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net: ieee802154: fix nl802154 del llsec key
authorAlexander Aring <aahringo@redhat.com>
Sun, 21 Feb 2021 17:43:18 +0000 (12:43 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 14 Apr 2021 06:22:36 +0000 (08:22 +0200)
commit79ba55c0e7a7990537d36a470e3a2f0968408b7e
treef699aa523bbff18845ff0b7c35c0408f672ea674tree | snapshot
parent5983b9de012edaa1149c3114e56c82ec6e9dd957commit | diff
net: ieee802154: fix nl802154 del llsec key

commit 37feaaf5ceb2245e474369312bb7b922ce7bce69 upstream.

This patch fixes a nullpointer dereference if NL802154_ATTR_SEC_KEY is
not set by the user. If this is the case nl802154 will return -EINVAL.

Reported-by: syzbot+ac5c11d2959a8b3c4806@syzkaller.appspotmail.com
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210221174321.14210-1-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ieee802154/nl802154.c diff | blob | history
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