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net: ieee802154: fix nl802154 del llsec dev
authorAlexander Aring <aahringo@redhat.com>
Sun, 21 Feb 2021 17:43:19 +0000 (12:43 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 16 Apr 2021 09:57:52 +0000 (11:57 +0200)
commit3ee9f1bafd068c480ee9c458c9f74a83e9dfbb12
tree57c55b33ac679b15958697d4cf43274048eb9a3ctree | snapshot
parent1804bf103e735f49f650e27c3ec1ec30654b72a1commit | diff
net: ieee802154: fix nl802154 del llsec dev

commit 3d1eac2f45585690d942cf47fd7fbd04093ebd1b upstream.

This patch fixes a nullpointer dereference if NL802154_ATTR_SEC_DEVICE is
not set by the user. If this is the case nl802154 will return -EINVAL.

Reported-by: syzbot+d946223c2e751d136c94@syzkaller.appspotmail.com
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210221174321.14210-2-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