Eric Dumazet 1b6d0db7ed crypto: af_alg - fix possible uninit-value in alg_bind()
commit a466856e0b7ab269cdf9461886d007e88ff575b0 upstream.

syzbot reported :

BUG: KMSAN: uninit-value in alg_bind+0xe3/0xd90 crypto/af_alg.c:162

We need to check addr_len before dereferencing sa (or uaddr)

Fixes: bb30b8848c85 ("crypto: af_alg - whitelist mask and type")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: Stephan Mueller <smueller@chronox.de>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-05-16 10:10:23 +02:00
..
2017-11-03 21:35:35 +08:00
2017-11-21 09:49:20 +01:00
2017-06-10 12:04:25 +08:00
2018-04-08 14:26:31 +02:00
2016-11-28 21:23:18 +08:00