diff options
| author | David Lamparter <equinox@diac24.net> | 2023-02-24 18:01:24 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-02-24 22:59:02 +0300 |
| commit | 7605c43d67face310b4b87dee1a28bc0c8cd8c0f (patch) | |
| tree | 0f4d1c815247cf617bb97e0780d75e6604136a1d /io_uring | |
| parent | 977bc87356107fb946fb4ff24f1e4c241b5043ec (diff) | |
| download | linux-7605c43d67face310b4b87dee1a28bc0c8cd8c0f.tar.xz | |
io_uring: remove MSG_NOSIGNAL from recvmsg
MSG_NOSIGNAL is not applicable for the receiving side, SIGPIPE is
generated when trying to write to a "broken pipe". AF_PACKET's
packet_recvmsg() does enforce this, giving back EINVAL when MSG_NOSIGNAL
is set - making it unuseable in io_uring's recvmsg.
Remove MSG_NOSIGNAL from io_recvmsg_prep().
Cc: stable@vger.kernel.org # v5.10+
Signed-off-by: David Lamparter <equinox@diac24.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230224150123.128346-1-equinox@diac24.net
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/net.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/net.c b/io_uring/net.c index cbd4b725f58c..b7f190ca528e 100644 --- a/io_uring/net.c +++ b/io_uring/net.c @@ -567,7 +567,7 @@ int io_recvmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) sr->flags = READ_ONCE(sqe->ioprio); if (sr->flags & ~(RECVMSG_FLAGS)) return -EINVAL; - sr->msg_flags = READ_ONCE(sqe->msg_flags) | MSG_NOSIGNAL; + sr->msg_flags = READ_ONCE(sqe->msg_flags); if (sr->msg_flags & MSG_DONTWAIT) req->flags |= REQ_F_NOWAIT; if (sr->msg_flags & MSG_ERRQUEUE) |