msg_iocb needs to be initialized on the recv/recvfrom path.
Otherwise afalg will wrongly interpret it as an async call.
Cc: sta...@vger.kernel.org
Reported-by: Harald Freudenberger <fre...@linux.vnet.ibm.com>
Signed-off-by: Tadeusz Struk <tadeusz.st...@intel.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);
--
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