[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <20151215184617.11620.23369.stgit@tstruk-mobl1>
Date: Tue, 15 Dec 2015 10:46:17 -0800
From: Tadeusz Struk <tadeusz.struk@...el.com>
To: herbert@...dor.apana.org.au, davem@...emloft.net
Cc: tadeusz.struk@...el.com, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, stable@...r.kernel.org,
freude@...ux.vnet.ibm.com, viro@...iv.linux.org.uk,
linux-crypto@...r.kernel.org
Subject: [PATCH] net: fix uninitialized variable issue
msg_iocb needs to be initialized on the recv/recvfrom path.
Otherwise afalg will wrongly interpret it as an async call.
Cc: stable@...r.kernel.org
Reported-by: Harald Freudenberger <freude@...ux.vnet.ibm.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@...el.com>
---
net/socket.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/socket.c b/net/socket.c
index dd2c247..80ca820 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1702,6 +1702,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
msg.msg_name = addr ? (struct sockaddr *)&address : NULL;
/* We assume all kernel code knows the size of sockaddr_storage */
msg.msg_namelen = 0;
+ msg.msg_iocb = NULL;
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, iov_iter_count(&msg.msg_iter), flags);
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists