diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2020-07-12 13:23:08 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-07-12 09:40:25 -0600 |
| commit | dd821e0c95a64b5923a0c57f07d3f7563553e756 (patch) | |
| tree | 48c319b0faa1f955be0e72caf91d8c3c19ec2f03 | |
| parent | 309fc03a3284af62eb6082fb60327045a1dabf57 (diff) | |
| download | linux-dd821e0c95a64b5923a0c57f07d3f7563553e756.tar.gz | |
io_uring: fix missing msg_name assignment
Ensure to set msg.msg_name for the async portion of send/recvmsg,
as the header copy will copy to/from it.
Cc: stable@vger.kernel.org # v5.5+
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/io_uring.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index ca8abde48b6c70..5570d6aeaff89a 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -3553,6 +3553,7 @@ static int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) if (req->flags & REQ_F_NEED_CLEANUP) return 0; + io->msg.msg.msg_name = &io->msg.addr; io->msg.iov = io->msg.fast_iov; ret = sendmsg_copy_msghdr(&io->msg.msg, sr->msg, sr->msg_flags, &io->msg.iov); @@ -3734,6 +3735,7 @@ static int __io_compat_recvmsg_copy_hdr(struct io_kiocb *req, static int io_recvmsg_copy_hdr(struct io_kiocb *req, struct io_async_ctx *io) { + io->msg.msg.msg_name = &io->msg.addr; io->msg.iov = io->msg.fast_iov; #ifdef CONFIG_COMPAT |