| From | Kamal Mostafa <> | Subject | [PATCH 4.2.y-ckt 202/211] net: fix uninitialized variable issue | Date | Tue, 5 Jan 2016 11:45:10 -0800 |
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4.2.8-ckt1 -stable review patch. If anyone has any objections, please let me know.
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From: "tadeusz.struk@intel.com" <tadeusz.struk@intel.com>
[ Upstream commit 130ed5d105dde141e7fe60d5440aa53e0a84f13b ]
msg_iocb needs to be initialized on the recv/recvfrom path. Otherwise afalg will wrongly interpret it as an async call.
Reported-by: Harald Freudenberger <freude@linux.vnet.ibm.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- net/socket.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/net/socket.c b/net/socket.c index 9963a0b..f3fbe17 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); -- 1.9.1
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