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| author | Ursula Braun <ursula.braun@de.ibm.com> | 2016-01-19 12:41:33 +0300 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2016-03-02 13:46:31 +0300 |
| commit | 28103f2f1fb676a2b305ed6e15f83a8a84906d45 (patch) | |
| tree | 542c5f52478ec0f98af4c5c6642723c81dccd73f /net/iucv/af_iucv.c | |
| parent | 6308e3add5288c1eb1b7ee2654d9a251cc487ab2 (diff) | |
| download | linux-28103f2f1fb676a2b305ed6e15f83a8a84906d45.tar.xz | |
af_iucv: Validate socket address length in iucv_sock_bind()
[ Upstream commit 52a82e23b9f2a9e1d429c5207f8575784290d008 ]
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Evgeny Cherkashin <Eugene.Crosser@ru.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'net/iucv/af_iucv.c')
| -rw-r--r-- | net/iucv/af_iucv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 1465363a452b..bb3969a40b8e 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -697,6 +697,9 @@ static int iucv_sock_bind(struct socket *sock, struct sockaddr *addr, if (!addr || addr->sa_family != AF_IUCV) return -EINVAL; + if (addr_len < sizeof(struct sockaddr_iucv)) + return -EINVAL; + lock_sock(sk); if (sk->sk_state != IUCV_OPEN) { err = -EBADFD; |