net: ieee802154: fix nl802154 del llsec key
commit 37feaaf5 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+ac5c11d2959a8b3c4806@syzkaller.appspotmail.com> Signed-off-by: Alexander Aring <aahringo@redhat.com> Link: https://lore.kernel.org/r/20210221174321.14210-1-aahringo@redhat.com Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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61293a18
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