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net: ieee802154: fix nl802154 add llsec key
authorAlexander Aring <aahringo@redhat.com>
Sun, 21 Feb 2021 17:43:20 +0000 (12:43 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 16 Apr 2021 10:00:22 +0000 (12:00 +0200)
commit68bc8ab51e0a2f68bbdd5d15730055353618b89f
tree5e2a2a66c3fa2a38901002a738b18a37b945516ftree
parenta698d2611bbe6d8ef54f9f316a6d0d043ead610acommit | diff
net: ieee802154: fix nl802154 add llsec key

commit 20d5fe2d7103f5c43ad11a3d6d259e9d61165c35 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+ce4e062c2d51977ddc50@syzkaller.appspotmail.com
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210221174321.14210-3-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