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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>
Fri, 16 Apr 2021 09:57:52 +0000 (11:57 +0200)
commit1804bf103e735f49f650e27c3ec1ec30654b72a1
tree6f29898338497f97427622701ac60bca5a09a672tree | snapshot
parent37580e6837c0b43291b2dde2efd5bc45e29c7e37commit | 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 | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git