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net/ipv6: Initialise msg_control_is_user
authorKevin Brodsky <kevin.brodsky@arm.com>
Thu, 13 Apr 2023 11:47:05 +0000 (12:47 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 14 Apr 2023 10:09:27 +0000 (11:09 +0100)
do_ipv6_setsockopt() makes use of struct msghdr::msg_control in the
IPV6_2292PKTOPTIONS case. Make sure to initialise
msg_control_is_user accordingly.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Kevin Brodsky <kevin.brodsky@arm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/ipv6_sockglue.c

index 2917dd8..ae818ff 100644 (file)
@@ -716,6 +716,7 @@ int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
                        goto done;
 
                msg.msg_controllen = optlen;
+               msg.msg_control_is_user = false;
                msg.msg_control = (void *)(opt+1);
                ipc6.opt = opt;