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net: ieee802154: fix nl802154 del llsec devkey
authorAlexander Aring <aahringo@redhat.com>
Sun, 21 Feb 2021 17:43:21 +0000 (12:43 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 16 Apr 2021 09:57:52 +0000 (11:57 +0200)
commit266e3f2ef0d10efe2d74bac5b0d4e4dd20320e60
tree166ed334e383ee03d601a5e61ce7722d03624cb2tree | snapshot
parent3a94a5b2e0baffc421052771413e9ce37fb6ac51commit | diff
net: ieee802154: fix nl802154 del llsec devkey

commit 27c746869e1a135dffc2f2a80715bb7aa00445b4 upstream.

This patch fixes a nullpointer dereference if NL802154_ATTR_SEC_DEVKEY is
not set by the user. If this is the case nl802154 will return -EINVAL.

Reported-by: syzbot+368672e0da240db53b5f@syzkaller.appspotmail.com
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20210221174321.14210-4-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