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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 09:59:10 +0000 (11:59 +0200)
commitcfe89ed8d39120c90457125106b49a18293ae347
treeba05b8d16df7af6f7ec745b485d7dd6ff571bb64tree | snapshot (tar.gz zip)
parent979ef41655a6aa1284646f52c0a162efb3c1a469commit | 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