Jens Axboe 7eaf718b83 io_uring: fix 32-bit compatability with sendmsg/recvmsg
commit d876836204897b6d7d911f942084f69a1e9d5c4d upstream.

We must set MSG_CMSG_COMPAT if we're in compatability mode, otherwise
the iovec import for these commands will not do the right thing and fail
the command with -EINVAL.

Found by running the test suite compiled as 32-bit.

Cc: stable@vger.kernel.org
Fixes: aa1fa28fc73e ("io_uring: add support for recvmsg()")
Fixes: 0fa03c624d8f ("io_uring: add support for sendmsg()")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-05 16:43:44 +01:00
..
2019-09-27 15:10:34 -07:00
2019-09-19 09:42:37 -07:00
2019-07-12 17:37:53 -07:00
2020-02-24 08:36:53 +01:00
2020-02-11 04:35:35 -08:00
2019-09-19 09:42:37 -07:00
2019-09-19 09:42:37 -07:00
2019-07-03 17:52:09 -04:00
2019-10-19 06:32:32 -04:00
2019-09-19 09:42:37 -07:00
2020-03-05 16:43:36 +01:00
2019-11-29 10:10:10 +01:00
2019-08-07 21:51:47 -04:00
2019-12-17 19:55:30 +01:00
2019-09-18 16:59:14 -07:00
2019-10-14 15:04:01 -07:00
2019-09-18 16:59:14 -07:00
2020-02-05 21:22:39 +00:00
2019-08-01 20:51:23 +02:00