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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)
committerStefan Schmidt <stefan@datenfreihafen.org>
Wed, 24 Feb 2021 13:14:19 +0000 (14:14 +0100)
commit3d1eac2f45585690d942cf47fd7fbd04093ebd1b
tree82c9d486d969fb851b93326249222b5b4c3521ca
parent37feaaf5ceb2245e474369312bb7b922ce7bce69
net: ieee802154: fix nl802154 del llsec dev

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>
net/ieee802154/nl802154.c