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Florian Westphal [Sun, 12 May 2019 18:42:37 +0000 (20:42 +0200)]
netfilter: nf_tables: correct NFT_LOGLEVEL_MAX value
should be same as NFT_LOGLEVEL_AUDIT, so use -, not +.
Fixes:
7eced5ab5a73 ("netfilter: nf_tables: add NFT_LOGLEVEL_* enumeration and use it")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Pablo Neira Ayuso [Tue, 7 May 2019 16:21:26 +0000 (18:21 +0200)]
netfilter: nf_tables: remove NFT_CT_TIMEOUT
Never used anywhere in the code.
Fixes:
7e0b2b57f01d ("netfilter: nft_ct: add ct timeout support")
Reported-by: Stéphane Veyret <sveyret@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Florian Westphal [Sun, 5 May 2019 16:47:33 +0000 (18:47 +0200)]
netfilter: ebtables: CONFIG_COMPAT: reject trailing data after last rule
If userspace provides a rule blob with trailing data after last target,
we trigger a splat, then convert ruleset to 64bit format (with trailing
data), then pass that to do_replace_finish() which then returns -EINVAL.
Erroring out right away avoids the splat plus unneeded translation and
error unwind.
Fixes:
81e675c227ec ("netfilter: ebtables: add CONFIG_COMPAT support")
Reported-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Taehee Yoo [Tue, 30 Apr 2019 13:56:14 +0000 (22:56 +0900)]
netfilter: nf_flow_table: do not flow offload deleted conntrack entries
Conntrack entries can be deleted by the masquerade module. In that case,
flow offload should be deleted too, but GC and data-path of flow offload
do not check for conntrack status bits, hence flow offload entries will
be removed only by the timeout.
Update garbage collector and data-path to check for ct->status. If
IPS_DYING_BIT is set, garbage collector removes flow offload entries and
data-path routine ignores them.
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Subash Abhinov Kasiviswanathan [Fri, 3 May 2019 18:39:08 +0000 (12:39 -0600)]
netfilter: nf_conntrack_h323: Remove deprecated config check
CONFIG_NF_CONNTRACK_IPV6 has been deprecated so replace it with a check
for IPV6 instead.
Use nf_ip6_route6() instead of v6ops->route() and keep the IS_MODULE()
in nf_ipv6_ops as mentioned by Florian so that direct calls are used
when IPV6 is builtin and indirect calls are used only when IPV6 is a
module.
Fixes:
a0ae2562c6c4b2 ("netfilter: conntrack: remove l3proto abstraction")
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Kristian Evensen [Fri, 3 May 2019 15:40:07 +0000 (17:40 +0200)]
netfilter: ctnetlink: Resolve conntrack L3-protocol flush regression
Commit
59c08c69c278 ("netfilter: ctnetlink: Support L3 protocol-filter
on flush") introduced a user-space regression when flushing connection
track entries. Before this commit, the nfgen_family field was not used
by the kernel and all entries were removed. Since this commit,
nfgen_family is used to filter out entries that should not be removed.
One example a broken tool is conntrack. conntrack always sets
nfgen_family to AF_INET, so after
59c08c69c278 only IPv4 entries were
removed with the -F parameter.
Pablo Neira Ayuso suggested using nfgenmsg->version to resolve the
regression, and this commit implements his suggestion. nfgenmsg->version
is so far set to zero, so it is well-suited to be used as a flag for
selecting old or new flush behavior. If version is 0, nfgen_family is
ignored and all entries are used. If user-space sets the version to one
(or any other value than 0), then the new behavior is used. As version
only can have two valid values, I chose not to add a new
NFNETLINK_VERSION-constant.
Fixes:
59c08c69c278 ("netfilter: ctnetlink: Support L3 protocol-filter on flush")
Reported-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
Tested-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Taehee Yoo [Thu, 2 May 2019 16:56:38 +0000 (01:56 +0900)]
netfilter: nf_flow_table: fix missing error check for rhashtable_insert_fast
rhashtable_insert_fast() may return an error value when memory
allocation fails, but flow_offload_add() does not check for errors.
This patch just adds missing error checking.
Fixes:
ac2a66665e23 ("netfilter: add generic flow table infrastructure")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Florian Westphal [Tue, 30 Apr 2019 12:33:22 +0000 (14:33 +0200)]
netfilter: nf_tables: fix base chain stat rcu_dereference usage
Following splat gets triggered when nfnetlink monitor is running while
xtables-nft selftests are running:
net/netfilter/nf_tables_api.c:1272 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
1 lock held by xtables-nft-mul/27006:
#0:
00000000e0f85be9 (&net->nft.commit_mutex){+.+.}, at: nf_tables_valid_genid+0x1a/0x50
Call Trace:
nf_tables_fill_chain_info.isra.45+0x6cc/0x6e0
nf_tables_chain_notify+0xf8/0x1a0
nf_tables_commit+0x165c/0x1740
nf_tables_fill_chain_info() can be called both from dumps (rcu read locked)
or from the transaction path if a userspace process subscribed to nftables
notifications.
In the 'table dump' case, rcu_access_pointer() cannot be used: We do not
hold transaction mutex so the pointer can be NULLed right after the check.
Just unconditionally fetch the value, then have the helper return
immediately if its NULL.
In the notification case we don't hold the rcu read lock, but updates are
prevented due to transaction mutex. Use rcu_dereference_check() to make lockdep
aware of this.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Jakub Jankowski [Thu, 25 Apr 2019 21:46:50 +0000 (23:46 +0200)]
netfilter: nf_conntrack_h323: restore boundary check correctness
Since commit
bc7d811ace4a ("netfilter: nf_ct_h323: Convert
CHECK_BOUND macro to function"), NAT traversal for H.323
doesn't work, failing to parse H323-UserInformation.
nf_h323_error_boundary() compares contents of the bitstring,
not the addresses, preventing valid H.323 packets from being
conntrack'd.
This looks like an oversight from when CHECK_BOUND macro was
converted to a function.
To fix it, stop dereferencing bs->cur and bs->end.
Fixes:
bc7d811ace4a ("netfilter: nf_ct_h323: Convert CHECK_BOUND macro to function")
Signed-off-by: Jakub Jankowski <shasta@toxcorp.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Taehee Yoo [Mon, 29 Apr 2019 16:55:54 +0000 (01:55 +0900)]
netfilter: nf_flow_table: check ttl value in flow offload data path
nf_flow_offload_ip_hook() and nf_flow_offload_ipv6_hook() do not check
ttl value. So, ttl value overflow may occur.
Fixes:
97add9f0d66d ("netfilter: flow table support for IPv4")
Fixes:
0995210753a2 ("netfilter: flow table support for IPv6")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Taehee Yoo [Mon, 29 Apr 2019 16:55:29 +0000 (01:55 +0900)]
netfilter: nf_flow_table: fix netdev refcnt leak
flow_offload_alloc() calls nf_route() to get a dst_entry. Internally,
nf_route() calls ip_route_output_key() that allocates a dst_entry and
holds it. So, a dst_entry should be released by dst_release() if
nf_route() is successful.
Otherwise, netns exit routine cannot be finished and the following
message is printed:
[ 257.490952] unregister_netdevice: waiting for lo to become free. Usage count = 1
Fixes:
ac2a66665e23 ("netfilter: add generic flow table infrastructure")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Pablo Neira Ayuso [Mon, 29 Apr 2019 09:54:56 +0000 (11:54 +0200)]
netfilter: nft_flow_offload: add entry to flowtable after confirmation
This is fixing flow offload for UDP traffic where packets only follow
one single direction.
The flow_offload_fixup_tcp() mechanism works fine in case that the
offloaded entry remains in SYN_RECV state, given sequence tracking is
reset and that conntrack handles syn+ack packets as a retransmission, ie.
sES + synack => sIG
for reply traffic.
Fixes:
a3c90f7a2323 ("netfilter: nf_tables: flow offload expression")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Florian Westphal [Fri, 12 Apr 2019 09:09:25 +0000 (11:09 +0200)]
netfilter: nf_tables: delay chain policy update until transaction is complete
When we process a long ruleset of the form
chain input {
type filter hook input priority filter; policy drop;
...
}
Then the base chain gets registered early on, we then continue to
process/validate the next messages coming in the same transaction.
Problem is that if the base chain policy is 'drop', it will take effect
immediately, which causes all traffic to get blocked until the
transaction completes or is aborted.
Fix this by deferring the policy until the transaction has been
processed and all of the rules have been flagged as active.
Reported-by: Jann Haber <jann.haber@selfnet.de>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Eric Dumazet [Sat, 27 Apr 2019 23:49:06 +0000 (16:49 -0700)]
ipv6/flowlabel: wait rcu grace period before put_pid()
syzbot was able to catch a use-after-free read in pid_nr_ns() [1]
ip6fl_seq_show() seems to use RCU protection, dereferencing fl->owner.pid
but fl_free() releases fl->owner.pid before rcu grace period is started.
[1]
BUG: KASAN: use-after-free in pid_nr_ns+0x128/0x140 kernel/pid.c:407
Read of size 4 at addr
ffff888094012a04 by task syz-executor.0/18087
CPU: 0 PID: 18087 Comm: syz-executor.0 Not tainted 5.1.0-rc6+ #89
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187
kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
__asan_report_load4_noabort+0x14/0x20 mm/kasan/generic_report.c:131
pid_nr_ns+0x128/0x140 kernel/pid.c:407
ip6fl_seq_show+0x2f8/0x4f0 net/ipv6/ip6_flowlabel.c:794
seq_read+0xad3/0x1130 fs/seq_file.c:268
proc_reg_read+0x1fe/0x2c0 fs/proc/inode.c:227
do_loop_readv_writev fs/read_write.c:701 [inline]
do_loop_readv_writev fs/read_write.c:688 [inline]
do_iter_read+0x4a9/0x660 fs/read_write.c:922
vfs_readv+0xf0/0x160 fs/read_write.c:984
kernel_readv fs/splice.c:358 [inline]
default_file_splice_read+0x475/0x890 fs/splice.c:413
do_splice_to+0x12a/0x190 fs/splice.c:876
splice_direct_to_actor+0x2d2/0x970 fs/splice.c:953
do_splice_direct+0x1da/0x2a0 fs/splice.c:1062
do_sendfile+0x597/0xd00 fs/read_write.c:1443
__do_sys_sendfile64 fs/read_write.c:1498 [inline]
__se_sys_sendfile64 fs/read_write.c:1490 [inline]
__x64_sys_sendfile64+0x15a/0x220 fs/read_write.c:1490
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458da9
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:
00007f300d24bc78 EFLAGS:
00000246 ORIG_RAX:
0000000000000028
RAX:
ffffffffffffffda RBX:
0000000000000004 RCX:
0000000000458da9
RDX:
00000000200000c0 RSI:
0000000000000008 RDI:
0000000000000007
RBP:
000000000073bf00 R08:
0000000000000000 R09:
0000000000000000
R10:
000000000000005a R11:
0000000000000246 R12:
00007f300d24c6d4
R13:
00000000004c5fa3 R14:
00000000004da748 R15:
00000000ffffffff
Allocated by task 17543:
save_stack+0x45/0xd0 mm/kasan/common.c:75
set_track mm/kasan/common.c:87 [inline]
__kasan_kmalloc mm/kasan/common.c:497 [inline]
__kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:470
kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:505
slab_post_alloc_hook mm/slab.h:437 [inline]
slab_alloc mm/slab.c:3393 [inline]
kmem_cache_alloc+0x11a/0x6f0 mm/slab.c:3555
alloc_pid+0x55/0x8f0 kernel/pid.c:168
copy_process.part.0+0x3b08/0x7980 kernel/fork.c:1932
copy_process kernel/fork.c:1709 [inline]
_do_fork+0x257/0xfd0 kernel/fork.c:2226
__do_sys_clone kernel/fork.c:2333 [inline]
__se_sys_clone kernel/fork.c:2327 [inline]
__x64_sys_clone+0xbf/0x150 kernel/fork.c:2327
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Freed by task 7789:
save_stack+0x45/0xd0 mm/kasan/common.c:75
set_track mm/kasan/common.c:87 [inline]
__kasan_slab_free+0x102/0x150 mm/kasan/common.c:459
kasan_slab_free+0xe/0x10 mm/kasan/common.c:467
__cache_free mm/slab.c:3499 [inline]
kmem_cache_free+0x86/0x260 mm/slab.c:3765
put_pid.part.0+0x111/0x150 kernel/pid.c:111
put_pid+0x20/0x30 kernel/pid.c:105
fl_free+0xbe/0xe0 net/ipv6/ip6_flowlabel.c:102
ip6_fl_gc+0x295/0x3e0 net/ipv6/ip6_flowlabel.c:152
call_timer_fn+0x190/0x720 kernel/time/timer.c:1325
expire_timers kernel/time/timer.c:1362 [inline]
__run_timers kernel/time/timer.c:1681 [inline]
__run_timers kernel/time/timer.c:1649 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1694
__do_softirq+0x266/0x95a kernel/softirq.c:293
The buggy address belongs to the object at
ffff888094012a00
which belongs to the cache pid_2 of size 88
The buggy address is located 4 bytes inside of
88-byte region [
ffff888094012a00,
ffff888094012a58)
The buggy address belongs to the page:
page:
ffffea0002500480 count:1 mapcount:0 mapping:
ffff88809a483080 index:0xffff888094012980
flags: 0x1fffc0000000200(slab)
raw:
01fffc0000000200 ffffea00018a3508 ffffea0002524a88 ffff88809a483080
raw:
ffff888094012980 ffff888094012000 000000010000001b 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888094012900: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
ffff888094012980: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
>
ffff888094012a00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
^
ffff888094012a80: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
ffff888094012b00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
Fixes:
4f82f45730c6 ("net ip6 flowlabel: Make owner a union of struct pid * and kuid_t")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stephen Suryaputra [Sat, 27 Apr 2019 13:14:33 +0000 (09:14 -0400)]
vrf: Use orig netdev to count Ip6InNoRoutes and a fresh route lookup when sending dest unreach
When there is no route to an IPv6 dest addr, skb_dst(skb) points
to loopback dev in the case of that the IP6CB(skb)->iif is
enslaved to a vrf. This causes Ip6InNoRoutes to be incremented on the
loopback dev. This also causes the lookup to fail on icmpv6_send() and
the dest unreachable to not sent and Ip6OutNoRoutes gets incremented on
the loopback dev.
To reproduce:
* Gateway configuration:
ip link add dev vrf_258 type vrf table 258
ip link set dev enp0s9 master vrf_258
ip addr add 66:1/64 dev enp0s9
ip -6 route add unreachable default metric 8192 table 258
sysctl -w net.ipv6.conf.all.forwarding=1
sysctl -w net.ipv6.conf.enp0s9.forwarding=1
* Sender configuration:
ip addr add 66::2/64 dev enp0s9
ip -6 route add default via 66::1
and ping 67::1 for example from the sender.
Fix this by counting on the original netdev and reset the skb dst to
force a fresh lookup.
v2: Fix typo of destination address in the repro steps.
v3: Simplify the loopback check (per David Ahern) and use reverse
Christmas tree format (per David Miller).
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Tested-by: David Ahern <dsahern@gmail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Fri, 26 Apr 2019 17:10:05 +0000 (10:10 -0700)]
tcp: add sanity tests in tcp_add_backlog()
Richard and Bruno both reported that my commit added a bug,
and Bruno was able to determine the problem came when a segment
wih a FIN packet was coalesced to a prior one in tcp backlog queue.
It turns out the header prediction in tcp_rcv_established()
looks back to TCP headers in the packet, not in the metadata
(aka TCP_SKB_CB(skb)->tcp_flags)
The fast path in tcp_rcv_established() is not supposed to
handle a FIN flag (it does not call tcp_fin())
Therefore we need to make sure to propagate the FIN flag,
so that the coalesced packet does not go through the fast path,
the same than a GRO packet carrying a FIN flag.
While we are at it, make sure we do not coalesce packets with
RST or SYN, or if they do not have ACK set.
Many thanks to Richard and Bruno for pinpointing the bad commit,
and to Richard for providing a first version of the fix.
Fixes:
4f693b55c3d2 ("tcp: implement coalescing on backlog queue")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Reported-by: Bruno Prémont <bonbons@sysophe.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Willem de Bruijn [Thu, 25 Apr 2019 16:06:54 +0000 (12:06 -0400)]
ipv6: invert flowlabel sharing check in process and user mode
A request for a flowlabel fails in process or user exclusive mode must
fail if the caller pid or uid does not match. Invert the test.
Previously, the test was unsafe wrt PID recycling, but indeed tested
for inequality: fl1->owner != fl->owner
Fixes:
4f82f45730c68 ("net ip6 flowlabel: Make owner a union of struct pid* and kuid_t")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 29 Apr 2019 22:18:09 +0000 (18:18 -0400)]
Merge branch 'ieee802154-for-davem-2019-04-25' of git://git./linux/kernel/git/sschmidt/wpan
Stefan Schmidt says:
====================
ieee802154 for net 2019-04-25
An update from ieee802154 for your *net* tree.
Another fix from Kangjie Lu to ensure better checking regmap updates in the
mcr20a driver. Nothing else I have pending for the final release.
If there are any problems let me know.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Mon, 29 Apr 2019 15:00:58 +0000 (11:00 -0400)]
Merge tag 'mac80211-for-davem-2019-04-26' of git://git./linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
* fix use-after-free in mac80211 TXQs
* fix RX STBC byte order
* fix debugfs rename crashing due to ERR_PTR()
* fix missing regulatory notification
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Paolo Abeni [Fri, 26 Apr 2019 10:50:44 +0000 (12:50 +0200)]
udp: fix GRO reception in case of length mismatch
Currently, the UDP GRO code path does bad things on some edge
conditions - Aggregation can happen even on packet with different
lengths.
Fix the above by rewriting the 'complete' condition for GRO
packets. While at it, note explicitly that we allow merging the
first packet per burst below gso_size.
Reported-by: Sean Tong <seantong114@gmail.com>
Fixes:
e20cf8d3f1f7 ("udp: implement GRO for plain UDP sockets.")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Sun, 28 Apr 2019 00:17:20 +0000 (20:17 -0400)]
Merge branch 'tls-data-copies'
Jakub Kicinski says:
====================
net/tls: fix data copies in tls_device_reencrypt()
This series fixes the tls_device_reencrypt() which is broken
if record starts in the frags of the message skb.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski [Fri, 26 Apr 2019 00:35:10 +0000 (17:35 -0700)]
net/tls: fix copy to fragments in reencrypt
Fragments may contain data from other records so we have to account
for that when we calculate the destination and max length of copy we
can perform. Note that 'offset' is the offset within the message,
so it can't be passed as offset within the frag..
Here skb_store_bits() would have realised the call is wrong and
simply not copy data.
Fixes:
4799ac81e52a ("tls: Add rx inline crypto offload")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski [Fri, 26 Apr 2019 00:35:09 +0000 (17:35 -0700)]
net/tls: don't copy negative amounts of data in reencrypt
There is no guarantee the record starts before the skb frags.
If we don't check for this condition copy amount will get
negative, leading to reads and writes to random memory locations.
Familiar hilarity ensues.
Fixes:
4799ac81e52a ("tls: Add rx inline crypto offload")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Sat, 27 Apr 2019 21:00:19 +0000 (17:00 -0400)]
Merge branch 'bnxt_en-Misc-bug-fixes'
Michael Chan says:
====================
bnxt_en: Misc. bug fixes.
6 miscellaneous bug fixes covering several issues in error code paths,
a setup issue for statistics DMA, and an improvement for setting up
multicast address filters.
Please queue these for stable as well.
Patch #5 (bnxt_en: Fix statistics context reservation logic) is for the
most recent 5.0 stable only. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan [Fri, 26 Apr 2019 02:31:55 +0000 (22:31 -0400)]
bnxt_en: Fix uninitialized variable usage in bnxt_rx_pkt().
In bnxt_rx_pkt(), if the driver encounters BD errors, it will recycle
the buffers and jump to the end where the uninitailized variable "len"
is referenced. Fix it by adding a new jump label that will skip
the length update. This is the most correct fix since the length
may not be valid when we get this type of error.
Fixes:
6a8788f25625 ("bnxt_en: add support for software dynamic interrupt moderation")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan [Fri, 26 Apr 2019 02:31:54 +0000 (22:31 -0400)]
bnxt_en: Fix statistics context reservation logic.
In an earlier commit that fixes the number of stats contexts to
reserve for the RDMA driver, we added a function parameter to pass in
the number of stats contexts to all the relevant functions. The passed
in parameter should have been used to set the enables field of the
firmware message.
Fixes:
780baad44f0f ("bnxt_en: Reserve 1 stat_ctx for RDMA driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan [Fri, 26 Apr 2019 02:31:53 +0000 (22:31 -0400)]
bnxt_en: Pass correct extended TX port statistics size to firmware.
If driver determines that extended TX port statistics are not supported
or allocation of the data structure fails, make sure to pass 0 TX stats
size to firmware to disable it. The firmware returned TX stats size should
also be set to 0 for consistency. This will prevent
bnxt_get_ethtool_stats() from accessing the NULL TX stats pointer in
case there is mismatch between firmware and driver.
Fixes:
36e53349b60b ("bnxt_en: Add additional extended port statistics.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan [Fri, 26 Apr 2019 02:31:52 +0000 (22:31 -0400)]
bnxt_en: Fix possible crash in bnxt_hwrm_ring_free() under error conditions.
If we encounter errors during open and proceed to clean up,
bnxt_hwrm_ring_free() may crash if the rings we try to free have never
been allocated. bnxt_cp_ring_for_rx() or bnxt_cp_ring_for_tx()
may reference pointers that have not been allocated.
Fix it by checking for valid fw_ring_id first before calling
bnxt_cp_ring_for_rx() or bnxt_cp_ring_for_tx().
Fixes:
2c61d2117ecb ("bnxt_en: Add helper functions to get firmware CP ring ID.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vasundhara Volam [Fri, 26 Apr 2019 02:31:51 +0000 (22:31 -0400)]
bnxt_en: Free short FW command HWRM memory in error path in bnxt_init_one()
In the bnxt_init_one() error path, short FW command request memory
is not freed. This patch fixes it.
Fixes:
e605db801bde ("bnxt_en: Support for Short Firmware Message")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan [Fri, 26 Apr 2019 02:31:50 +0000 (22:31 -0400)]
bnxt_en: Improve multicast address setup logic.
The driver builds a list of multicast addresses and sends it to the
firmware when the driver's ndo_set_rx_mode() is called. In rare
cases, the firmware can fail this call if internal resources to
add multicast addresses are exhausted. In that case, we should
try the call again by setting the ALL_MCAST flag which is more
guaranteed to succeed.
Fixes:
c0c050c58d84 ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Andrew Lunn [Wed, 24 Apr 2019 22:33:00 +0000 (00:33 +0200)]
net: phy: marvell: Fix buffer overrun with stats counters
marvell_get_sset_count() returns how many statistics counters there
are. If the PHY supports fibre, there are 3, otherwise two.
marvell_get_strings() does not make this distinction, and always
returns 3 strings. This then often results in writing past the end
of the buffer for the strings.
Fixes:
2170fef78a40 ("Marvell phy: add field to get errors from fiber link.")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Marcel Holtmann [Wed, 24 Apr 2019 20:18:53 +0000 (22:18 +0200)]
genetlink: use idr_alloc_cyclic for family->id assignment
When allocating the next family->id it makes more sense to use
idr_alloc_cyclic to avoid re-using a previously used family->id as much
as possible.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Bjørn Mork [Wed, 24 Apr 2019 17:12:46 +0000 (19:12 +0200)]
qmi_wwan: new Wistron, ZTE and D-Link devices
Adding device entries found in vendor modified versions of this
driver. Function maps for some of the devices follow:
WNC D16Q1, D16Q5, D18Q1 LTE CAT3 module (1435:0918)
MI_00 Qualcomm HS-USB Diagnostics
MI_01 Android Debug interface
MI_02 Qualcomm HS-USB Modem
MI_03 Qualcomm Wireless HS-USB Ethernet Adapter
MI_04 Qualcomm Wireless HS-USB Ethernet Adapter
MI_05 Qualcomm Wireless HS-USB Ethernet Adapter
MI_06 USB Mass Storage Device
T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1435 ProdID=0918 Rev= 2.32
S: Manufacturer=Android
S: Product=Android
S: SerialNumber=
0123456789ABCDEF
C:* #Ifs= 7 Cfg#= 1 Atr=80 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=42 Prot=01 Driver=(none)
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=84(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=86(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=88(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
E: Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 5 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
E: Ad=8a(I) Atr=03(Int.) MxPS= 64 Ivl=32ms
E: Ad=89(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=06(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
WNC D18 LTE CAT3 module (1435:d182)
MI_00 Qualcomm HS-USB Diagnostics
MI_01 Androd Debug interface
MI_02 Qualcomm HS-USB Modem
MI_03 Qualcomm HS-USB NMEA
MI_04 Qualcomm Wireless HS-USB Ethernet Adapter
MI_05 Qualcomm Wireless HS-USB Ethernet Adapter
MI_06 USB Mass Storage Device
ZM8510/ZM8620/ME3960 (19d2:0396)
MI_00 ZTE Mobile Broadband Diagnostics Port
MI_01 ZTE Mobile Broadband AT Port
MI_02 ZTE Mobile Broadband Modem
MI_03 ZTE Mobile Broadband NDIS Port (qmi_wwan)
MI_04 ZTE Mobile Broadband ADB Port
ME3620_X (19d2:1432)
MI_00 ZTE Diagnostics Device
MI_01 ZTE UI AT Interface
MI_02 ZTE Modem Device
MI_03 ZTE Mobile Broadband Network Adapter
MI_04 ZTE Composite ADB Interface
Reported-by: Lars Melin <larsm17@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fabien Dessenne [Wed, 24 Apr 2019 09:35:49 +0000 (11:35 +0200)]
net: ethernet: stmmac: manage the get_irq probe defer case
Manage the -EPROBE_DEFER error case for "stm32_pwr_wakeup" IRQ.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Tue, 23 Apr 2019 16:43:26 +0000 (09:43 -0700)]
l2tp: use rcu_dereference_sk_user_data() in l2tp_udp_encap_recv()
Canonical way to fetch sk_user_data from an encap_rcv() handler called
from UDP stack in rcu protected section is to use rcu_dereference_sk_user_data(),
otherwise compiler might read it multiple times.
Fixes:
d00fa9adc528 ("il2tp: fix races with tunnel socket close")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Fri, 26 Apr 2019 05:54:42 +0000 (01:54 -0400)]
Merge git://git./pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says:
====================
pull-request: bpf 2019-04-25
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) the bpf verifier fix to properly mark registers in all stack frames, from Paul.
2) preempt_enable_no_resched->preempt_enable fix, from Peter.
3) other misc fixes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Peter Zijlstra [Tue, 23 Apr 2019 19:55:59 +0000 (21:55 +0200)]
bpf: Fix preempt_enable_no_resched() abuse
Unless the very next line is schedule(), or implies it, one must not use
preempt_enable_no_resched(). It can cause a preemption to go missing and
thereby cause arbitrary delays, breaking the PREEMPT=y invariant.
Cc: Roman Gushchin <guro@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Paul Chaignon [Wed, 24 Apr 2019 19:51:26 +0000 (21:51 +0200)]
selftests/bpf: test cases for pkt/null checks in subprogs
The first test case, for pointer null checks, is equivalent to the
following pseudo-code. It checks that the verifier does not complain on
line 6 and recognizes that ptr isn't null.
1: ptr = bpf_map_lookup_elem(map, &key);
2: ret = subprog(ptr) {
3: return ptr != NULL;
4: }
5: if (ret)
6: value = *ptr;
The second test case, for packet bound checks, is equivalent to the
following pseudo-code. It checks that the verifier does not complain on
line 7 and recognizes that the packet is at least 1 byte long.
1: pkt_end = ctx.pkt_end;
2: ptr = ctx.pkt + 8;
3: ret = subprog(ptr, pkt_end) {
4: return ptr <= pkt_end;
5: }
6: if (ret)
7: value = *(u8 *)ctx.pkt;
Signed-off-by: Paul Chaignon <paul.chaignon@orange.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Paul Chaignon [Wed, 24 Apr 2019 19:50:42 +0000 (21:50 +0200)]
bpf: mark registers in all frames after pkt/null checks
In case of a null check on a pointer inside a subprog, we should mark all
registers with this pointer as either safe or unknown, in both the current
and previous frames. Currently, only spilled registers and registers in
the current frame are marked. Packet bound checks in subprogs have the
same issue. This patch fixes it to mark registers in previous frames as
well.
A good reproducer for null checks looks as follow:
1: ptr = bpf_map_lookup_elem(map, &key);
2: ret = subprog(ptr) {
3: return ptr != NULL;
4: }
5: if (ret)
6: value = *ptr;
With the above, the verifier will complain on line 6 because it sees ptr
as map_value_or_null despite the null check in subprog 1.
Note that this patch fixes another resulting bug when using
bpf_sk_release():
1: sk = bpf_sk_lookup_tcp(...);
2: subprog(sk) {
3: if (sk)
4: bpf_sk_release(sk);
5: }
6: if (!sk)
7: return 0;
8: return 1;
In the above, mark_ptr_or_null_regs will warn on line 6 because it will
try to free the reference state, even though it was already freed on
line 3.
Fixes:
f4d7e40a5b71 ("bpf: introduce function calls (verification)")
Signed-off-by: Paul Chaignon <paul.chaignon@orange.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Matteo Croce [Sat, 13 Apr 2019 01:37:32 +0000 (03:37 +0200)]
libbpf: add binary to gitignore
Some binaries are generated when building libbpf from tools/lib/bpf/,
namely libbpf.so.0.0.2 and libbpf.so.0.
Add them to the local .gitignore.
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Alban Crequy [Fri, 12 Apr 2019 12:40:50 +0000 (14:40 +0200)]
tools: bpftool: fix infinite loop in map create
"bpftool map create" has an infinite loop on "while (argc)". The error
case is missing.
Symptoms: when forgetting to type the keyword 'type' in front of 'hash':
$ sudo bpftool map create /sys/fs/bpf/dir/foobar hash key 8 value 8 entries 128
(infinite loop, taking all the CPU)
^C
After the patch:
$ sudo bpftool map create /sys/fs/bpf/dir/foobar hash key 8 value 8 entries 128
Error: unknown arg hash
Fixes:
0b592b5a01be ("tools: bpftool: add map create command")
Signed-off-by: Alban Crequy <alban@kinvolk.io>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Song Liu <songliubraving@fb.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
YueHaibing [Wed, 10 Apr 2019 13:49:23 +0000 (21:49 +0800)]
MIPS: eBPF: Make ebpf_to_mips_reg() static
Fix sparse warning:
arch/mips/net/ebpf_jit.c:196:5: warning:
symbol 'ebpf_to_mips_reg' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Linus Torvalds [Wed, 24 Apr 2019 23:18:59 +0000 (16:18 -0700)]
Merge git://git./linux/kernel/git/davem/net
Pull networking fixes from David Miller:
"Just the usual assortment of small'ish fixes:
1) Conntrack timeout is sometimes not initialized properly, from
Alexander Potapenko.
2) Add a reasonable range limit to tcp_min_rtt_wlen to avoid
undefined behavior. From ZhangXiaoxu.
3) des1 field of descriptor in stmmac driver is initialized with the
wrong variable. From Yue Haibing.
4) Increase mlxsw pci sw reset timeout a little bit more, from Ido
Schimmel.
5) Match IOT2000 stmmac devices more accurately, from Su Bao Cheng.
6) Fallback refcount fix in TLS code, from Jakub Kicinski.
7) Fix max MTU check when using XDP in mlx5, from Maxim Mikityanskiy.
8) Fix recursive locking in team driver, from Hangbin Liu.
9) Fix tls_set_device_offload_Rx() deadlock, from Jakub Kicinski.
10) Don't use napi_alloc_frag() outside of softiq context of socionext
driver, from Ilias Apalodimas.
11) MAC address increment overflow in ncsi, from Tao Ren.
12) Fix a regression in 8K/1M pool switching of RDS, from Zhu Yanjun.
13) ipv4_link_failure has to validate the headers that are actually
there because RAW sockets can pass in arbitrary garbage, from Eric
Dumazet"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits)
ipv4: add sanity checks in ipv4_link_failure()
net/rose: fix unbound loop in rose_loopback_timer()
rxrpc: fix race condition in rxrpc_input_packet()
net: rds: exchange of 8K and 1M pool
net: vrf: Fix operation not supported when set vrf mac
net/ncsi: handle overflow when incrementing mac address
net: socionext: replace napi_alloc_frag with the netdev variant on init
net: atheros: fix spelling mistake "underun" -> "underrun"
spi: ST ST95HF NFC: declare missing of table
spi: Micrel eth switch: declare missing of table
net: stmmac: move stmmac_check_ether_addr() to driver probe
netfilter: fix nf_l4proto_log_invalid to log invalid packets
netfilter: never get/set skb->tstamp
netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ON
Documentation: decnet: remove reference to CONFIG_DECNET_ROUTE_FWMARK
dt-bindings: add an explanation for internal phy-mode
net/tls: don't leak IV and record seq when offload fails
net/tls: avoid potential deadlock in tls_set_device_offload_rx()
selftests/net: correct the return value for run_afpackettests
team: fix possible recursive locking when add slaves
...
Linus Torvalds [Wed, 24 Apr 2019 23:15:38 +0000 (16:15 -0700)]
Merge tag 'leds-for-5.1-rc7' of git://git./linux/kernel/git/j.anaszewski/linux-leds
Pull LED update from Jacek Anaszewski:
"A single change to MAINTAINERS:
We announce a new LED reviewer - Dan Murphy"
* tag 'leds-for-5.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
MAINTAINERS: LEDs: Add designated reviewer for LED subsystem
Eric Dumazet [Wed, 24 Apr 2019 15:04:05 +0000 (08:04 -0700)]
ipv4: add sanity checks in ipv4_link_failure()
Before calling __ip_options_compile(), we need to ensure the network
header is a an IPv4 one, and that it is already pulled in skb->head.
RAW sockets going through a tunnel can end up calling ipv4_link_failure()
with total garbage in the skb, or arbitrary lengthes.
syzbot report :
BUG: KASAN: stack-out-of-bounds in memcpy include/linux/string.h:355 [inline]
BUG: KASAN: stack-out-of-bounds in __ip_options_echo+0x294/0x1120 net/ipv4/ip_options.c:123
Write of size 69 at addr
ffff888096abf068 by task syz-executor.4/9204
CPU: 0 PID: 9204 Comm: syz-executor.4 Not tainted 5.1.0-rc5+ #77
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187
kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
check_memory_region_inline mm/kasan/generic.c:185 [inline]
check_memory_region+0x123/0x190 mm/kasan/generic.c:191
memcpy+0x38/0x50 mm/kasan/common.c:133
memcpy include/linux/string.h:355 [inline]
__ip_options_echo+0x294/0x1120 net/ipv4/ip_options.c:123
__icmp_send+0x725/0x1400 net/ipv4/icmp.c:695
ipv4_link_failure+0x29f/0x550 net/ipv4/route.c:1204
dst_link_failure include/net/dst.h:427 [inline]
vti6_xmit net/ipv6/ip6_vti.c:514 [inline]
vti6_tnl_xmit+0x10d4/0x1c0c net/ipv6/ip6_vti.c:553
__netdev_start_xmit include/linux/netdevice.h:4414 [inline]
netdev_start_xmit include/linux/netdevice.h:4423 [inline]
xmit_one net/core/dev.c:3292 [inline]
dev_hard_start_xmit+0x1b2/0x980 net/core/dev.c:3308
__dev_queue_xmit+0x271d/0x3060 net/core/dev.c:3878
dev_queue_xmit+0x18/0x20 net/core/dev.c:3911
neigh_direct_output+0x16/0x20 net/core/neighbour.c:1527
neigh_output include/net/neighbour.h:508 [inline]
ip_finish_output2+0x949/0x1740 net/ipv4/ip_output.c:229
ip_finish_output+0x73c/0xd50 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:278 [inline]
ip_output+0x21f/0x670 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:444 [inline]
NF_HOOK include/linux/netfilter.h:289 [inline]
raw_send_hdrinc net/ipv4/raw.c:432 [inline]
raw_sendmsg+0x1d2b/0x2f20 net/ipv4/raw.c:663
inet_sendmsg+0x147/0x5d0 net/ipv4/af_inet.c:798
sock_sendmsg_nosec net/socket.c:651 [inline]
sock_sendmsg+0xdd/0x130 net/socket.c:661
sock_write_iter+0x27c/0x3e0 net/socket.c:988
call_write_iter include/linux/fs.h:1866 [inline]
new_sync_write+0x4c7/0x760 fs/read_write.c:474
__vfs_write+0xe4/0x110 fs/read_write.c:487
vfs_write+0x20c/0x580 fs/read_write.c:549
ksys_write+0x14f/0x2d0 fs/read_write.c:599
__do_sys_write fs/read_write.c:611 [inline]
__se_sys_write fs/read_write.c:608 [inline]
__x64_sys_write+0x73/0xb0 fs/read_write.c:608
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458c29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:
00007f293b44bc78 EFLAGS:
00000246 ORIG_RAX:
0000000000000001
RAX:
ffffffffffffffda RBX:
0000000000000003 RCX:
0000000000458c29
RDX:
0000000000000014 RSI:
00000000200002c0 RDI:
0000000000000003
RBP:
000000000073bf00 R08:
0000000000000000 R09:
0000000000000000
R10:
0000000000000000 R11:
0000000000000246 R12:
00007f293b44c6d4
R13:
00000000004c8623 R14:
00000000004ded68 R15:
00000000ffffffff
The buggy address belongs to the page:
page:
ffffea00025aafc0 count:0 mapcount:0 mapping:
0000000000000000 index:0x0
flags: 0x1fffc0000000000()
raw:
01fffc0000000000 0000000000000000 ffffffff025a0101 0000000000000000
raw:
0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888096abef80: 00 00 00 f2 f2 f2 f2 f2 00 00 00 00 00 00 00 f2
ffff888096abf000: f2 f2 f2 f2 00 00 00 00 00 00 00 00 00 00 00 00
>
ffff888096abf080: 00 00 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00
^
ffff888096abf100: 00 00 00 00 f1 f1 f1 f1 00 00 f3 f3 00 00 00 00
ffff888096abf180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Fixes:
ed0de45a1008 ("ipv4: recompile ip options in ipv4_link_failure")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Stephen Suryaputra <ssuryaextr@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Wed, 24 Apr 2019 12:35:00 +0000 (05:35 -0700)]
net/rose: fix unbound loop in rose_loopback_timer()
This patch adds a limit on the number of skbs that fuzzers can queue
into loopback_queue. 1000 packets for rose loopback seems more than enough.
Then, since we now have multiple cpus in most linux hosts,
we also need to limit the number of skbs rose_loopback_timer()
can dequeue at each round.
rose_loopback_queue() can be drop-monitor friendly, calling
consume_skb() or kfree_skb() appropriately.
Finally, use mod_timer() instead of del_timer() + add_timer()
syzbot report was :
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-...!: (10499 ticks this GP) idle=536/1/0x4000000000000002 softirq=103291/103291 fqs=34
rcu: (t=10500 jiffies g=140321 q=323)
rcu: rcu_preempt kthread starved for 10426 jiffies! g140321 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt I29168 10 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2877 [inline]
__schedule+0x813/0x1cc0 kernel/sched/core.c:3518
schedule+0x92/0x180 kernel/sched/core.c:3562
schedule_timeout+0x4db/0xfd0 kernel/time/timer.c:1803
rcu_gp_fqs_loop kernel/rcu/tree.c:1971 [inline]
rcu_gp_kthread+0x962/0x17b0 kernel/rcu/tree.c:2128
kthread+0x357/0x430 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
NMI backtrace for cpu 0
CPU: 0 PID: 7632 Comm: kworker/0:4 Not tainted 5.1.0-rc5+ #172
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events iterate_cleanup_work
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x183/0x1cf kernel/rcu/tree.c:1223
print_cpu_stall kernel/rcu/tree.c:1360 [inline]
check_cpu_stall kernel/rcu/tree.c:1434 [inline]
rcu_pending kernel/rcu/tree.c:3103 [inline]
rcu_sched_clock_irq.cold+0x500/0xa4a kernel/rcu/tree.c:2544
update_process_times+0x32/0x80 kernel/time/timer.c:1635
tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:161
tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1271
__run_hrtimer kernel/time/hrtimer.c:1389 [inline]
__hrtimer_run_queues+0x33e/0xde0 kernel/time/hrtimer.c:1451
hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline]
smp_apic_timer_interrupt+0x120/0x570 arch/x86/kernel/apic/apic.c:1060
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:95
Code: 89 25 b4 6e ec 08 41 bc f4 ff ff ff e8 cd 5d ea ff 48 c7 05 9e 6e ec 08 00 00 00 00 e9 a4 e9 ff ff 90 90 90 90 90 90 90 90 90 <55> 48 89 e5 48 8b 75 08 65 48 8b 04 25 00 ee 01 00 65 8b 15 c8 60
RSP: 0018:
ffff8880ae807ce0 EFLAGS:
00000286 ORIG_RAX:
ffffffffffffff13
RAX:
ffff88806fd40640 RBX:
dffffc0000000000 RCX:
ffffffff863fbc56
RDX:
0000000000000100 RSI:
ffffffff863fbc1d RDI:
ffff88808cf94228
RBP:
ffff8880ae807d10 R08:
ffff88806fd40640 R09:
ffffed1015d00f8b
R10:
ffffed1015d00f8a R11:
0000000000000003 R12:
ffff88808cf941c0
R13:
00000000fffff034 R14:
ffff8882166cd840 R15:
0000000000000000
rose_loopback_timer+0x30d/0x3f0 net/rose/rose_loopback.c:91
call_timer_fn+0x190/0x720 kernel/time/timer.c:1325
expire_timers kernel/time/timer.c:1362 [inline]
__run_timers kernel/time/timer.c:1681 [inline]
__run_timers kernel/time/timer.c:1649 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1694
__do_softirq+0x266/0x95a kernel/softirq.c:293
do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1027
Fixes:
1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet [Wed, 24 Apr 2019 16:44:11 +0000 (09:44 -0700)]
rxrpc: fix race condition in rxrpc_input_packet()
After commit
5271953cad31 ("rxrpc: Use the UDP encap_rcv hook"),
rxrpc_input_packet() is directly called from lockless UDP receive
path, under rcu_read_lock() protection.
It must therefore use RCU rules :
- udp_sk->sk_user_data can be cleared at any point in this function.
rcu_dereference_sk_user_data() is what we need here.
- Also, since sk_user_data might have been set in rxrpc_open_socket()
we must observe a proper RCU grace period before kfree(local) in
rxrpc_lookup_local()
v4: @local can be NULL in xrpc_lookup_local() as reported by kbuild test robot <lkp@intel.com>
and Julia Lawall <julia.lawall@lip6.fr>, thanks !
v3,v2 : addressed David Howells feedback, thanks !
syzbot reported :
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 19236 Comm: syz-executor703 Not tainted 5.1.0-rc6 #79
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__lock_acquire+0xbef/0x3fb0 kernel/locking/lockdep.c:3573
Code: 00 0f 85 a5 1f 00 00 48 81 c4 10 01 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 4a 21 00 00 49 81 7d 00 20 54 9c 89 0f 84 cf f4
RSP: 0018:
ffff88809d7aef58 EFLAGS:
00010002
RAX:
dffffc0000000000 RBX:
0000000000000000 RCX:
0000000000000000
RDX:
0000000000000026 RSI:
0000000000000000 RDI:
0000000000000001
RBP:
ffff88809d7af090 R08:
0000000000000001 R09:
0000000000000001
R10:
ffffed1015d05bc7 R11:
ffff888089428600 R12:
0000000000000000
R13:
0000000000000130 R14:
0000000000000001 R15:
0000000000000001
FS:
00007f059044d700(0000) GS:
ffff8880ae800000(0000) knlGS:
0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
CR2:
00000000004b6040 CR3:
00000000955ca000 CR4:
00000000001406f0
Call Trace:
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:4211
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152
skb_queue_tail+0x26/0x150 net/core/skbuff.c:2972
rxrpc_reject_packet net/rxrpc/input.c:1126 [inline]
rxrpc_input_packet+0x4a0/0x5536 net/rxrpc/input.c:1414
udp_queue_rcv_one_skb+0xaf2/0x1780 net/ipv4/udp.c:2011
udp_queue_rcv_skb+0x128/0x730 net/ipv4/udp.c:2085
udp_unicast_rcv_skb.isra.0+0xb9/0x360 net/ipv4/udp.c:2245
__udp4_lib_rcv+0x701/0x2ca0 net/ipv4/udp.c:2301
udp_rcv+0x22/0x30 net/ipv4/udp.c:2482
ip_protocol_deliver_rcu+0x60/0x8f0 net/ipv4/ip_input.c:208
ip_local_deliver_finish+0x23b/0x390 net/ipv4/ip_input.c:234
NF_HOOK include/linux/netfilter.h:289 [inline]
NF_HOOK include/linux/netfilter.h:283 [inline]
ip_local_deliver+0x1e9/0x520 net/ipv4/ip_input.c:255
dst_input include/net/dst.h:450 [inline]
ip_rcv_finish+0x1e1/0x300 net/ipv4/ip_input.c:413
NF_HOOK include/linux/netfilter.h:289 [inline]
NF_HOOK include/linux/netfilter.h:283 [inline]
ip_rcv+0xe8/0x3f0 net/ipv4/ip_input.c:523
__netif_receive_skb_one_core+0x115/0x1a0 net/core/dev.c:4987
__netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5099
netif_receive_skb_internal+0x117/0x660 net/core/dev.c:5202
napi_frags_finish net/core/dev.c:5769 [inline]
napi_gro_frags+0xade/0xd10 net/core/dev.c:5843
tun_get_user+0x2f24/0x3fb0 drivers/net/tun.c:1981
tun_chr_write_iter+0xbd/0x156 drivers/net/tun.c:2027
call_write_iter include/linux/fs.h:1866 [inline]
do_iter_readv_writev+0x5e1/0x8e0 fs/read_write.c:681
do_iter_write fs/read_write.c:957 [inline]
do_iter_write+0x184/0x610 fs/read_write.c:938
vfs_writev+0x1b3/0x2f0 fs/read_write.c:1002
do_writev+0x15e/0x370 fs/read_write.c:1037
__do_sys_writev fs/read_write.c:1110 [inline]
__se_sys_writev fs/read_write.c:1107 [inline]
__x64_sys_writev+0x75/0xb0 fs/read_write.c:1107
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Fixes:
5271953cad31 ("rxrpc: Use the UDP encap_rcv hook")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dan Murphy [Tue, 23 Apr 2019 20:00:24 +0000 (15:00 -0500)]
MAINTAINERS: LEDs: Add designated reviewer for LED subsystem
Add a designated reviewer for the LED subsystem as there
are already two maintainers assigned.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Zhu Yanjun [Wed, 24 Apr 2019 06:56:42 +0000 (02:56 -0400)]
net: rds: exchange of 8K and 1M pool
Before the commit
490ea5967b0d ("RDS: IB: move FMR code to its own file"),
when the dirty_count is greater than 9/10 of max_items of 8K pool,
1M pool is used, Vice versa. After the commit
490ea5967b0d ("RDS: IB: move
FMR code to its own file"), the above is removed. When we make the
following tests.
Server:
rds-stress -r 1.1.1.16 -D 1M
Client:
rds-stress -r 1.1.1.14 -s 1.1.1.16 -D 1M
The following will appear.
"
connecting to 1.1.1.16:4000
negotiated options, tasks will start in 2 seconds
Starting up..header from 1.1.1.166:4001 to id 4001 bogus
..
tsks tx/s rx/s tx+rx K/s mbi K/s mbo K/s tx us/c rtt us
cpu %
1 0 0 0.00 0.00 0.00 0.00 0.00 -1.00
1 0 0 0.00 0.00 0.00 0.00 0.00 -1.00
1 0 0 0.00 0.00 0.00 0.00 0.00 -1.00
1 0 0 0.00 0.00 0.00 0.00 0.00 -1.00
1 0 0 0.00 0.00 0.00 0.00 0.00 -1.00
...
"
So this exchange between 8K and 1M pool is added back.
Fixes: commit
490ea5967b0d ("RDS: IB: move FMR code to its own file")
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Miaohe Lin [Sat, 20 Apr 2019 04:09:39 +0000 (12:09 +0800)]
net: vrf: Fix operation not supported when set vrf mac
Vrf device is not able to change mac address now because lack of
ndo_set_mac_address. Complete this in case some apps need to do
this.
Reported-by: Hui Wang <wanghui104@huawei.com>
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kangjie Lu [Sun, 24 Mar 2019 23:18:56 +0000 (18:18 -0500)]
net: ieee802154: fix missing checks for regmap_update_bits
regmap_update_bits could fail and deserves a check.
The patch adds the checks and if it fails, returns its error
code upstream.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Tao Ren [Wed, 24 Apr 2019 01:43:32 +0000 (01:43 +0000)]
net/ncsi: handle overflow when incrementing mac address
Previously BMC's MAC address is calculated by simply adding 1 to the
last byte of network controller's MAC address, and it produces incorrect
result when network controller's MAC address ends with 0xFF.
The problem can be fixed by calling eth_addr_inc() function to increment
MAC address; besides, the MAC address is also validated before assigning
to BMC.
Fixes:
cb10c7c0dfd9 ("net/ncsi: Add NCSI Broadcom OEM command")
Signed-off-by: Tao Ren <taoren@fb.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Wed, 24 Apr 2019 04:08:52 +0000 (21:08 -0700)]
Merge tag 'drm-fixes-2019-04-24' of git://anongit.freedesktop.org/drm/drm
Pull drm regression fixes from Dave Airlie:
"We interrupt your regularly scheduled drm fixes for a regression
special.
The first is for a fix in i915 that had unexpected side effects
fallout in the userspace X.org modesetting driver where X would no
longer start. I got tired of the nitpicking and issued a large hammer
on it. The X.org driver is buggy, but blackscreen regressions are
worse.
The second was an oversight that myself and Gerd should have noticed
better, Gerd is trying to fix this properly, but the regression is too
large to leave, even if the original behaviour is bad in some cases,
it's clearly bad to break a bunch of working use cases.
I'll likely have a regular fixes pull later, but I really wanted to
highlight these"
* tag 'drm-fixes-2019-04-24' of git://anongit.freedesktop.org/drm/drm:
Revert "drm/virtio: drop prime import/export callbacks"
Revert "drm/i915/fbdev: Actually configure untiled displays"
Ilias Apalodimas [Tue, 23 Apr 2019 06:01:41 +0000 (09:01 +0300)]
net: socionext: replace napi_alloc_frag with the netdev variant on init
The netdev variant is usable on any context since it disables interrupts.
The napi variant of the call should only be used within softirq context.
Replace napi_alloc_frag on driver init with the correct netdev_alloc_frag
call
Changes since v1:
- Adjusted commit message
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Fixes:
4acb20b46214 ("net: socionext: different approach on DMA")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Colin Ian King [Tue, 23 Apr 2019 14:30:07 +0000 (15:30 +0100)]
net: atheros: fix spelling mistake "underun" -> "underrun"
There are spelling mistakes in structure elements, fix these.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dave Airlie [Wed, 24 Apr 2019 00:52:20 +0000 (10:52 +1000)]
Revert "drm/virtio: drop prime import/export callbacks"
This patch does more harm than good, as it breaks both Xwayland and
gnome-shell with X11.
Xwayland requires DRI3 & DRI3 requires PRIME.
X11 crash for obscure double-free reason which are hard to debug
(starting X11 by hand doesn't trigger the crash).
I don't see an apparent problem implementing those stub prime
functions, they may return an error at run-time, and it seems to be
handled fine by GNOME at least.
This reverts commit
b318e3ff7ca065d6b107e424c85a63d7a6798a69.
[airlied:
This broke userspace for virtio-gpus, and regressed things from DRI3 to DRI2.
This brings back the original problem, but it's better than regressions.]
Fixes:
b318e3ff7ca065d6b107e424c85a63d7a6798a ("drm/virtio: drop prime import/export callbacks")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Dave Airlie [Wed, 24 Apr 2019 00:47:56 +0000 (10:47 +1000)]
Revert "drm/i915/fbdev: Actually configure untiled displays"
This reverts commit
d179b88deb3bf6fed4991a31fd6f0f2cad21fab5.
This commit is documented to break userspace X.org modesetting driver in certain configurations.
The X.org modesetting userspace driver is broken. No fixes are available yet. In order for this patch to be applied it either needs a config option or a workaround developed.
This has been reported a few times, saying it's a userspace problem is clearly against the regression rules.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109806
Signed-off-by: Dave Airlie <airlied@redhat.com>
Cc: <stable@vger.kernel.org> # v3.19+
Linus Torvalds [Tue, 23 Apr 2019 20:40:55 +0000 (13:40 -0700)]
Merge tag 'nfsd-5.1-1' of git://linux-nfs.org/~bfields/linux
Pull nfsd bugfixes from Bruce Fields:
"Fix miscellaneous nfsd bugs, in NFSv4.1 callbacks, NFSv4.1
lock-notification callbacks, NFSv3 readdir encoding, and the
cache/upcall code"
* tag 'nfsd-5.1-1' of git://linux-nfs.org/~bfields/linux:
nfsd: wake blocked file lock waiters before sending callback
nfsd: wake waiters blocked on file_lock before deleting it
nfsd: Don't release the callback slot unless it was actually held
nfsd/nfsd3_proc_readdir: fix buffer count and page pointers
sunrpc: don't mark uninitialised items as VALID.
Linus Torvalds [Tue, 23 Apr 2019 20:34:17 +0000 (13:34 -0700)]
Merge tag 'syscalls-5.1' of git://git./linux/kernel/git/arnd/asm-generic
Pull syscall numbering updates from Arnd Bergmann:
"arch: add pidfd and io_uring syscalls everywhere
This comes a bit late, but should be in 5.1 anyway: we want the newly
added system calls to be synchronized across all architectures in the
release.
I hope that in the future, any newly added system calls can be added
to all architectures at the same time, and tested there while they are
in linux-next, avoiding dependencies between the architecture
maintainer trees and the tree that contains the new system call"
* tag 'syscalls-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
arch: add pidfd and io_uring syscalls everywhere
Daniel Gomez [Mon, 22 Apr 2019 19:08:04 +0000 (21:08 +0200)]
spi: ST ST95HF NFC: declare missing of table
Add missing <of_device_id> table for SPI driver relying on SPI
device match since compatible is in a DT binding or in a DTS.
Before this patch:
modinfo drivers/nfc/st95hf/st95hf.ko | grep alias
alias: spi:st95hf
After this patch:
modinfo drivers/nfc/st95hf/st95hf.ko | grep alias
alias: spi:st95hf
alias: of:N*T*Cst,st95hfC*
alias: of:N*T*Cst,st95hf
Reported-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Daniel Gomez <dagmcr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Gomez [Mon, 22 Apr 2019 19:08:03 +0000 (21:08 +0200)]
spi: Micrel eth switch: declare missing of table
Add missing <of_device_id> table for SPI driver relying on SPI
device match since compatible is in a DT binding or in a DTS.
Before this patch:
modinfo drivers/net/phy/spi_ks8995.ko | grep alias
alias: spi:ksz8795
alias: spi:ksz8864
alias: spi:ks8995
After this patch:
modinfo drivers/net/phy/spi_ks8995.ko | grep alias
alias: spi:ksz8795
alias: spi:ksz8864
alias: spi:ks8995
alias: of:N*T*Cmicrel,ksz8795C*
alias: of:N*T*Cmicrel,ksz8795
alias: of:N*T*Cmicrel,ksz8864C*
alias: of:N*T*Cmicrel,ksz8864
alias: of:N*T*Cmicrel,ks8995C*
alias: of:N*T*Cmicrel,ks8995
Reported-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Daniel Gomez <dagmcr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Johannes Berg [Mon, 15 Apr 2019 09:39:33 +0000 (11:39 +0200)]
mac80211: don't attempt to rename ERR_PTR() debugfs dirs
We need to dereference the directory to get its parent to
be able to rename it, so it's clearly not safe to try to
do this with ERR_PTR() pointers. Skip in this case.
It seems that this is most likely what was causing the
report by syzbot, but I'm not entirely sure as it didn't
come with a reproducer this time.
Cc: stable@vger.kernel.org
Reported-by: syzbot+4ece1a28b8f4730547c9@syzkaller.appspotmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Sriram R [Tue, 16 Apr 2019 05:46:33 +0000 (11:16 +0530)]
cfg80211: Notify previous user request during self managed wiphy registration
Commit
c82c06ce43d3("cfg80211: Notify all User Hints To self managed wiphys")
notified all new user hints to self managed wiphy's after device registration.
But it didn't do this for anything other than cell base hints done before
registration.
This needs to be done during wiphy registration of a self managed device also,
so that the previous user settings are retained.
Fixes:
c82c06ce43d3 ("cfg80211: Notify all User Hints To self managed wiphys")
Signed-off-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Bhagavathi Perumal S [Tue, 16 Apr 2019 07:24:40 +0000 (12:54 +0530)]
mac80211: Fix kernel panic due to use of txq after free
The txq of vif is added to active_txqs list for ATF TXQ scheduling
in the function ieee80211_queue_skb(), but it was not properly removed
before freeing the txq object. It was causing use after free of the txq
objects from the active_txqs list, result was kernel panic
due to invalid memory access.
Fix kernel invalid memory access by properly removing txq object
from active_txqs list before free the object.
Signed-off-by: Bhagavathi Perumal S <bperumal@codeaurora.org>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Vinod Koul [Mon, 22 Apr 2019 09:45:32 +0000 (15:15 +0530)]
net: stmmac: move stmmac_check_ether_addr() to driver probe
stmmac_check_ether_addr() checks the MAC address and assigns one in
driver open(). In many cases when we create slave netdevice, the dev
addr is inherited from master but the master dev addr maybe NULL at
that time, so move this call to driver probe so that address is
always valid.
Signed-off-by: Xiaofei Shen <xiaofeis@codeaurora.org>
Tested-by: Xiaofei Shen <xiaofeis@codeaurora.org>
Signed-off-by: Sneh Shah <snehshah@codeaurora.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Tue, 23 Apr 2019 04:23:55 +0000 (21:23 -0700)]
Merge git://git./pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains Netfilter/IPVS fixes for your net tree:
1) Add a selftest for icmp packet too big errors with conntrack, from
Florian Westphal.
2) Validate inner header in ICMP error message does not lie to us
in conntrack, also from Florian.
3) Initialize ct->timeout to calm down KASAN, from Alexander Potapenko.
4) Skip ICMP error messages from tunnels in IPVS, from Julian Anastasov.
5) Use a hash to expose conntrack and expectation ID, from Florian Westphal.
6) Prevent shift wrap in nft_chain_parse_hook(), from Dan Carpenter.
7) Fix broken ICMP ID randomization with NAT, also from Florian.
8) Remove WARN_ON in ebtables compat that is reached via syzkaller,
from Florian Westphal.
9) Fix broken timestamps since
fb420d5d91c1 ("tcp/fq: move back to
CLOCK_MONOTONIC"), from Florian.
10) Fix logging of invalid packets in conntrack, from Andrei Vagin.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Layton [Mon, 22 Apr 2019 16:34:24 +0000 (12:34 -0400)]
nfsd: wake blocked file lock waiters before sending callback
When a blocked NFS lock is "awoken" we send a callback to the server and
then wake any hosts waiting on it. If a client attempts to get a lock
and then drops off the net, we could end up waiting for a long time
until we end up waking locks blocked on that request.
So, wake any other waiting lock requests before sending the callback.
Do this by calling locks_delete_block in a new "prepare" phase for
CB_NOTIFY_LOCK callbacks.
URL: https://bugzilla.kernel.org/show_bug.cgi?id=203363
Fixes:
16306a61d3b7 ("fs/locks: always delete_block after waiting.")
Reported-by: Slawomir Pryczek <slawek1211@gmail.com>
Cc: Neil Brown <neilb@suse.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Jeff Layton [Mon, 22 Apr 2019 16:34:23 +0000 (12:34 -0400)]
nfsd: wake waiters blocked on file_lock before deleting it
After a blocked nfsd file_lock request is deleted, knfsd will send a
callback to the client and then free the request. Commit
16306a61d3b7
("fs/locks: always delete_block after waiting.") changed it such that
locks_delete_block is always called on a request after it is awoken,
but that patch missed fixing up blocked nfsd request handling.
Call locks_delete_block on the block to wake up any locks still blocked
on the nfsd lock request before freeing it. Some of its callers already
do this however, so just remove those calls.
URL: https://bugzilla.kernel.org/show_bug.cgi?id=203363
Fixes:
16306a61d3b7 ("fs/locks: always delete_block after waiting.")
Reported-by: Slawomir Pryczek <slawek1211@gmail.com>
Cc: Neil Brown <neilb@suse.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Linus Torvalds [Mon, 22 Apr 2019 18:54:47 +0000 (11:54 -0700)]
Merge tag 'mips_fixes_5.1_3' of git://git./linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
"A couple more MIPS fixes:
- Fix indirect syscall tracing & seccomp filtering for big endian
MIPS64 kernels, which previously loaded the syscall number
incorrectly & would always use zero.
- Fix performance counter IRQ setup for Atheros/ath79 SoCs, allowing
perf to function on those systems.
And not really a fix, but a useful addition:
- Add a Broadcom mailing list to the MAINTAINERS entry for BMIPS
systems to allow relevant engineers to track patch submissions"
* tag 'mips_fixes_5.1_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: perf: ath79: Fix perfcount IRQ assignment
MIPS: scall64-o32: Fix indirect syscall number load
MAINTAINERS: BMIPS: Add internal Broadcom mailing list
Andrei Vagin [Wed, 17 Apr 2019 16:49:44 +0000 (09:49 -0700)]
netfilter: fix nf_l4proto_log_invalid to log invalid packets
It doesn't log a packet if sysctl_log_invalid isn't equal to protonum
OR sysctl_log_invalid isn't equal to IPPROTO_RAW. This sentence is
always true. I believe we need to replace OR to AND.
Cc: Florian Westphal <fw@strlen.de>
Fixes:
c4f3db1595827 ("netfilter: conntrack: add and use nf_l4proto_log_invalid")
Signed-off-by: Andrei Vagin <avagin@gmail.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Florian Westphal [Wed, 17 Apr 2019 00:17:23 +0000 (02:17 +0200)]
netfilter: never get/set skb->tstamp
setting net.netfilter.nf_conntrack_timestamp=1 breaks xmit with fq
scheduler. skb->tstamp might be "refreshed" using ktime_get_real(),
but fq expects CLOCK_MONOTONIC.
This patch removes all places in netfilter that check/set skb->tstamp:
1. To fix the bogus "start" time seen with conntrack timestamping for
outgoing packets, never use skb->tstamp and always use current time.
2. In nfqueue and nflog, only use skb->tstamp for incoming packets,
as determined by current hook (prerouting, input, forward).
3. xt_time has to use system clock as well rather than skb->tstamp.
We could still use skb->tstamp for prerouting/input/foward, but
I see no advantage to make this conditional.
Fixes:
fb420d5d91c1 ("tcp/fq: move back to CLOCK_MONOTONIC")
Cc: Eric Dumazet <edumazet@google.com>
Reported-by: Michal Soltys <soltys@ziu.info>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Florian Westphal [Sun, 14 Apr 2019 22:43:00 +0000 (00:43 +0200)]
netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ON
It means userspace gave us a ruleset where there is some other
data after the ebtables target but before the beginning of the next rule.
Fixes:
81e675c227ec ("netfilter: ebtables: add CONFIG_COMPAT support")
Reported-by: syzbot+659574e7bcc7f7eb4df7@syzkaller.appspotmail.com
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Corentin Labbe [Sat, 20 Apr 2019 16:43:01 +0000 (16:43 +0000)]
Documentation: decnet: remove reference to CONFIG_DECNET_ROUTE_FWMARK
CONFIG_DECNET_ROUTE_FWMARK was removed in commit
47dcf0cb1005 ("[NET]: Rethink mark field in struct flowi")
Since nothing replace it (and nothindg need to replace it, simply remove
it from documentation.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Corentin Labbe [Sat, 20 Apr 2019 18:14:33 +0000 (18:14 +0000)]
dt-bindings: add an explanation for internal phy-mode
When working on the Allwinner internal PHY, the first work was to use
the "internal" mode, but some answer was made my mail on what are really
internal mean for PHY.
This patch write that in the doc.
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Sun, 21 Apr 2019 17:45:57 +0000 (10:45 -0700)]
Linux 5.1-rc6
Jakub Kicinski [Fri, 19 Apr 2019 23:52:19 +0000 (16:52 -0700)]
net/tls: don't leak IV and record seq when offload fails
When device refuses the offload in tls_set_device_offload_rx()
it calls tls_sw_free_resources_rx() to clean up software context
state.
Unfortunately, tls_sw_free_resources_rx() does not free all
the state tls_set_sw_offload() allocated - it leaks IV and
sequence number buffers. All other code paths which lead to
tls_sw_release_resources_rx() (which tls_sw_free_resources_rx()
calls) free those right before the call.
Avoid the leak by moving freeing of iv and rec_seq into
tls_sw_release_resources_rx().
Fixes:
4799ac81e52a ("tls: Add rx inline crypto offload")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski [Fri, 19 Apr 2019 23:51:38 +0000 (16:51 -0700)]
net/tls: avoid potential deadlock in tls_set_device_offload_rx()
If device supports offload, but offload fails tls_set_device_offload_rx()
will call tls_sw_free_resources_rx() which (unhelpfully) releases
and reacquires the socket lock.
For a small fix release and reacquire the device_offload_lock.
Fixes:
4799ac81e52a ("tls: Add rx inline crypto offload")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Po-Hsu Lin [Fri, 19 Apr 2019 11:01:13 +0000 (19:01 +0800)]
selftests/net: correct the return value for run_afpackettests
The run_afpackettests will be marked as passed regardless the return
value of those sub-tests in the script:
--------------------
running psock_tpacket test
--------------------
[FAIL]
selftests: run_afpackettests [PASS]
Fix this by changing the return value for each tests.
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Sat, 20 Apr 2019 19:55:23 +0000 (12:55 -0700)]
Merge tag 'nfs-for-5.1-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfix from Trond Myklebust:
"Fix a regression in which an RPC call can be tagged with an error
despite the transmission being successful"
* tag 'nfs-for-5.1-5' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: Ignore queue transmission errors on successful transmission
Linus Torvalds [Sat, 20 Apr 2019 19:52:23 +0000 (12:52 -0700)]
Merge tag 'scsi-fixes' of git://git./linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three minor fixes: two obvious ones in drivers and a fix to the SG_IO
path to correctly return status on error"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: aic7xxx: fix EISA support
Revert "scsi: fcoe: clear FC_RP_STARTED flags when receiving a LOGO"
scsi: core: set result when the command cannot be dispatched
Linus Torvalds [Sat, 20 Apr 2019 19:20:58 +0000 (12:20 -0700)]
Merge tag 'for-linus-
20190420' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A set of small fixes that should go into this series. This contains:
- Removal of unused queue member (Hou)
- Overflow bvec fix (Ming)
- Various little io_uring tweaks (me)
- kthread parking
- Only call cpu_possible() for verified CPU
- Drop unused 'file' argument to io_file_put()
- io_uring_enter vs io_uring_register deadlock fix
- CQ overflow fix
- BFQ internal depth update fix (me)"
* tag 'for-linus-
20190420' of git://git.kernel.dk/linux-block:
block: make sure that bvec length can't be overflow
block: kill all_q_node in request_queue
io_uring: fix CQ overflow condition
io_uring: fix possible deadlock between io_uring_{enter,register}
io_uring: drop io_file_put() 'file' argument
bfq: update internal depth state when queue depth changes
io_uring: only test SQPOLL cpu after we've verified it
io_uring: park SQPOLL thread if it's percpu
Linus Torvalds [Sat, 20 Apr 2019 17:43:37 +0000 (10:43 -0700)]
Merge tag 'i3c/fixes-for-5.1-rc6' of git://git./linux/kernel/git/i3c/linux
Pill i3c fixes from Boris Brezillon:
- fix the random PID check
- fix the disable controller logic in the designware driver
- fix I3C entry in MAINTAINERS
* tag 'i3c/fixes-for-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux:
MAINTAINERS: Fix the I3C entry
i3c: dw: Fix dw_i3c_master_disable controller by using correct mask
i3c: Fix the verification of random PID
Linus Torvalds [Sat, 20 Apr 2019 17:19:30 +0000 (10:19 -0700)]
Merge tag 'sound-5.1-rc6' of git://git./linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Two core fixes for long-standing bugs for the races at concurrent
device creation and deletion that were (unsurprisingly) spotted by
syzkaller with usb-fuzzer.
The rest are usual small HD-audio fixes"
* tag 'sound-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/realtek - add two more pin configuration sets to quirk table
ALSA: core: Fix card races between register and disconnect
ALSA: info: Fix racy addition/deletion of nodes
ALSA: hda: Initialize power_state field properly
Linus Torvalds [Sat, 20 Apr 2019 17:10:49 +0000 (10:10 -0700)]
Merge branch 'timers-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
"Misc clocksource driver fixes, and a sched-clock wrapping fix"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers/sched_clock: Prevent generic sched_clock wrap caused by tick_freeze()
clocksource/drivers/timer-ti-dm: Remove omap_dm_timer_set_load_start
clocksource/drivers/oxnas: Fix OX820 compatible
clocksource/drivers/arm_arch_timer: Remove unneeded pr_fmt macro
clocksource/drivers/npcm: select TIMER_OF
Linus Torvalds [Sat, 20 Apr 2019 17:05:02 +0000 (10:05 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Misc fixes:
- various tooling fixes
- kretprobe fixes
- kprobes annotation fixes
- kprobes error checking fix
- fix the default events for AMD Family 17h CPUs
- PEBS fix
- AUX record fix
- address filtering fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kprobes: Avoid kretprobe recursion bug
kprobes: Mark ftrace mcount handler functions nokprobe
x86/kprobes: Verify stack frame on kretprobe
perf/x86/amd: Add event map for AMD Family 17h
perf bpf: Return NULL when RB tree lookup fails in perf_env__find_btf()
perf tools: Fix map reference counting
perf evlist: Fix side band thread draining
perf tools: Check maps for bpf programs
perf bpf: Return NULL when RB tree lookup fails in perf_env__find_bpf_prog_info()
tools include uapi: Sync sound/asound.h copy
perf top: Always sample time to satisfy needs of use of ordered queuing
perf evsel: Use hweight64() instead of hweight_long(attr.sample_regs_user)
tools lib traceevent: Fix missing equality check for strcmp
perf stat: Disable DIR_FORMAT feature for 'perf stat record'
perf scripts python: export-to-sqlite.py: Fix use of parent_id in calls_view
perf header: Fix lock/unlock imbalances when processing BPF/BTF info
perf/x86: Fix incorrect PEBS_REGS
perf/ring_buffer: Fix AUX record suppression
perf/core: Fix the address filtering fix
kprobes: Fix error check when reusing optimized probes
Linus Torvalds [Sat, 20 Apr 2019 17:01:11 +0000 (10:01 -0700)]
Merge branch 'x86-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Misc fixes all over the place: a console spam fix, section attributes
fixes, a KASLR fix, a TLB stack-variable alignment fix, a reboot
quirk, boot options related warnings fix, an LTO fix, a deadlock fix
and an RDT fix"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu/intel: Lower the "ENERGY_PERF_BIAS: Set to normal" message's log priority
x86/cpu/bugs: Use __initconst for 'const' init data
x86/mm/KASLR: Fix the size of the direct mapping section
x86/Kconfig: Fix spelling mistake "effectivness" -> "effectiveness"
x86/mm/tlb: Revert "x86/mm: Align TLB invalidation info"
x86/reboot, efi: Use EFI reboot for Acer TravelMate X514-51T
x86/mm: Prevent bogus warnings with "noexec=off"
x86/build/lto: Fix truncated .bss with -fdata-sections
x86/speculation: Prevent deadlock on ssb_state::lock
x86/resctrl: Do not repeat rdtgroup mode initialization
Linus Torvalds [Sat, 20 Apr 2019 16:53:36 +0000 (09:53 -0700)]
Merge branch 'sched-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"A deadline scheduler warning/race fix, and a cfs_period_us quota
calculation workaround where the real fix looks too involved to merge
immediately"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/deadline: Correctly handle active 0-lag timers
sched/fair: Limit sched_cfs_period_timer() loop to avoid hard lockup
Linus Torvalds [Sat, 20 Apr 2019 16:38:01 +0000 (09:38 -0700)]
Merge branch 'locking-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull locking fixes from Ingo Molnar:
"A lockdep warning fix and a script execution fix when atomics are
generated"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/atomics: Don't assume that scripts are executable
locking/lockdep: Make lockdep_unregister_key() honor 'debug_locks' again
Linus Torvalds [Sat, 20 Apr 2019 01:03:55 +0000 (18:03 -0700)]
Merge branch 'for-5.1-fixes' of git://git./linux/kernel/git/tj/cgroup
Pull cgroup fix from Tejun Heo:
"A patch to fix a RCU imbalance error in the devices cgroup
configuration error path"
* 'for-5.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
device_cgroup: fix RCU imbalance in error case
Linus Torvalds [Fri, 19 Apr 2019 22:37:22 +0000 (15:37 -0700)]
Merge branch 'for-5.1-fixes' of git://git./linux/kernel/git/dennis/percpu
Pull percpu fixlet from Dennis Zhou:
"This stops printing the base address of percpu memory on
initialization"
* 'for-5.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
percpu: stop printing kernel addresses
David S. Miller [Fri, 19 Apr 2019 22:14:37 +0000 (15:14 -0700)]
Merge tag 'mlx5-fixes-2019-04-19' of git://git./linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
Mellanox, mlx5 fixes 2019-04-19
This series introduces some fixes to mlx5 driver.
Please pull and let me know if there is any problem.
For -stable v4.7:
('net/mlx5e: ethtool, Remove unsupported SFP EEPROM high pages query')
For -stable v4.19:
('net/mlx5e: Fix the max MTU check in case of XDP')
For -stable v5.0:
('net/mlx5e: Fix use-after-free after xdp_return_frame')
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Hangbin Liu [Fri, 19 Apr 2019 06:31:00 +0000 (14:31 +0800)]
team: fix possible recursive locking when add slaves
If we add a bond device which is already the master of the team interface,
we will hold the team->lock in team_add_slave() first and then request the
lock in team_set_mac_address() again. The functions are called like:
- team_add_slave()
- team_port_add()
- team_port_enter()
- team_modeop_port_enter()
- __set_port_dev_addr()
- dev_set_mac_address()
- bond_set_mac_address()
- dev_set_mac_address()
- team_set_mac_address
Although team_upper_dev_link() would check the upper devices but it is
called too late. Fix it by adding a checking before processing the slave.
v2: Do not split the string in netdev_err()
Fixes:
3d249d4ca7d0 ("net: introduce ethernet teaming device")
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Po-Hsu Lin [Thu, 18 Apr 2019 11:57:25 +0000 (19:57 +0800)]
selftests/net: correct the return value for run_netsocktests
The run_netsocktests will be marked as passed regardless the actual test
result from the ./socket:
selftests: net: run_netsocktests
========================================
--------------------
running socket test
--------------------
[FAIL]
ok 1..6 selftests: net: run_netsocktests [PASS]
This is because the test script itself has been successfully executed.
Fix this by exit 1 when the test failed.
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Erez Alfasi [Thu, 11 Apr 2019 07:41:03 +0000 (10:41 +0300)]
net/mlx5e: ethtool, Remove unsupported SFP EEPROM high pages query
Querying EEPROM high pages data for SFP module is currently
not supported by our driver and yet queried, resulting in
invalid FW queries.
Set the EEPROM ethtool data length to 256 for SFP module will
limit the reading for page 0 only and prevent invalid FW queries.
Fixes:
bb64143eee8c ("net/mlx5e: Add ethtool support for dump module EEPROM")
Signed-off-by: Erez Alfasi <ereza@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Maxim Mikityanskiy [Mon, 8 Apr 2019 12:12:45 +0000 (15:12 +0300)]
net/mlx5e: Fix the max MTU check in case of XDP
MLX5E_XDP_MAX_MTU was calculated incorrectly. It didn't account for
NET_IP_ALIGN and MLX5E_HW2SW_MTU, and it also misused MLX5_SKB_FRAG_SZ.
This commit fixes the calculations and adds a brief explanation for the
formula used.
Fixes:
a26a5bdf3ee2d ("net/mlx5e: Restrict the combination of large MTU and XDP")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Maxim Mikityanskiy [Fri, 15 Mar 2019 14:41:43 +0000 (16:41 +0200)]
net/mlx5e: Fix use-after-free after xdp_return_frame
xdp_return_frame releases the frame. It leads to releasing the page, so
it's not allowed to access xdpi.xdpf->len after that, because xdpi.xdpf
is at xdp->data_hard_start after convert_to_xdp_frame. This patch moves
the memory access to precede the return of the frame.
Fixes:
58b99ee3e3ebe ("net/mlx5e: Add support for XDP_REDIRECT in device-out side")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Linus Torvalds [Fri, 19 Apr 2019 19:22:27 +0000 (12:22 -0700)]
Merge tag 'tty-5.1-rc6' of git://git./linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are five small fixes for some tty/serial/vt issues that have been
reported.
The vt one has been around for a while, it is good to finally get that
resolved. The others fix a build warning that showed up in 5.1-rc1,
and resolve a problem in the sh-sci driver.
Note, the second patch for build warning fix for the sc16is7xx driver
was just applied to the tree, as it resolves a problem with the
previous patch to try to solve the issue. It has not shown up in
linux-next yet, unlike all of the other patches, but it has passed
0-day testing and everyone seems to agree that it is correct"
* tag 'tty-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
sc16is7xx: put err_spi and err_i2c into correct #ifdef
vt: fix cursor when clearing the screen
sc16is7xx: move label 'err_spi' to correct section
serial: sh-sci: Fix HSCIF RX sampling point adjustment
serial: sh-sci: Fix HSCIF RX sampling point calculation
Petr Štetiar [Wed, 17 Apr 2019 20:09:12 +0000 (22:09 +0200)]
of_net: Fix residues after of_get_nvmem_mac_address removal
I've discovered following discrepancy in the bindings/net/ethernet.txt
documentation, where it states following:
- nvmem-cells: phandle, reference to an nvmem node for the MAC address;
- nvmem-cell-names: string, should be "mac-address" if nvmem is to be..
which is actually misleading and confusing. There are only two ethernet
drivers in the tree, cadence/macb and davinci which supports this
properties.
This nvmem-cell* properties were introduced in commit
9217e566bdee
("of_net: Implement of_get_nvmem_mac_address helper"), but
commit
afa64a72b862 ("of: net: kill of_get_nvmem_mac_address()")
forget to properly clean up this parts.
So this patch fixes the documentation by moving the nvmem-cell*
properties at the appropriate places. While at it, I've removed unused
include as well.
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Fixes:
afa64a72b862 ("of: net: kill of_get_nvmem_mac_address()")
Signed-off-by: Petr Štetiar <ynezz@true.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Fri, 19 Apr 2019 18:46:51 +0000 (11:46 -0700)]
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"16 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping
mm/kmemleak.c: fix unused-function warning
init: initialize jump labels before command line option parsing
kernel/watchdog_hld.c: hard lockup message should end with a newline
kcov: improve CONFIG_ARCH_HAS_KCOV help text
mm: fix inactive list balancing between NUMA nodes and cgroups
mm/hotplug: treat CMA pages as unmovable
proc: fixup proc-pid-vm test
proc: fix map_files test on F29
mm/vmstat.c: fix /proc/vmstat format for CONFIG_DEBUG_TLBFLUSH=y CONFIG_SMP=n
mm/memory_hotplug: do not unlock after failing to take the device_hotplug_lock
mm: swapoff: shmem_unuse() stop eviction without igrab()
mm: swapoff: take notice of completion sooner
mm: swapoff: remove too limiting SWAP_UNUSE_MAX_TRIES
mm: swapoff: shmem_find_swap_entries() filter out other types
slab: store tagged freelist for off-slab slabmgmt
Linus Torvalds [Fri, 19 Apr 2019 18:10:42 +0000 (11:10 -0700)]
Merge tag 'staging-5.1-rc6' of git://git./linux/kernel/git/gregkh/staging
Pull staging and IIO fixes from Greg KH:
"Here is a bunch of IIO driver fixes, and some smaller staging driver
fixes, for 5.1-rc6. The IIO fixes were delayed due to my vacation, but
all resolve a number of reported issues and have been in linux-next
for a few weeks with no reported issues.
The other staging driver fixes are all tiny, resolving some reported
issues in the comedi and most drivers, as well as some erofs fixes.
All of these patches have been in linux-next with no reported issues"
* tag 'staging-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (24 commits)
staging: comedi: ni_usb6501: Fix possible double-free of ->usb_rx_buf
staging: comedi: ni_usb6501: Fix use of uninitialized mutex
staging: erofs: fix unexpected out-of-bound data access
staging: comedi: vmk80xx: Fix possible double-free of ->usb_rx_buf
staging: comedi: vmk80xx: Fix use of uninitialized semaphore
staging: most: core: use device description as name
iio: core: fix a possible circular locking dependency
iio: ad_sigma_delta: select channel when reading register
iio: pms7003: select IIO_TRIGGERED_BUFFER
iio: cros_ec: Fix the maths for gyro scale calculation
iio: adc: xilinx: prevent touching unclocked h/w on remove
iio: adc: xilinx: fix potential use-after-free on probe
iio: adc: xilinx: fix potential use-after-free on remove
iio: dac: mcp4725: add missing powerdown bits in store eeprom
io: accel: kxcjk1013: restore the range after resume.
iio:chemical:bme680: Fix SPI read interface
iio:chemical:bme680: Fix, report temperature in millidegrees
iio: chemical: fix missing Kconfig block for sgp30
iio: adc: at91: disable adc channel interrupt in timeout case
iio: gyro: mpu3050: fix chip ID reading
...