linux/io_uring
Jens Axboe febb985c06 io_uring/poll: add hash if ready poll request can't complete inline
If we don't, then we may lose access to it completely, leading to a
request leak. This will eventually stall the ring exit process as
well.

Cc: stable@vger.kernel.org
Fixes: 49f1c68e04 ("io_uring: optimise submission side poll_refs")
Reported-and-tested-by: syzbot+6c95df01470a47fc3af4@syzkaller.appspotmail.com
Link: https://lore.kernel.org/io-uring/0000000000009f829805f1ce87b2@google.com/
Suggested-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2023-01-09 15:46:57 -07:00
..
advise.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
advise.h
alloc_cache.h
cancel.c io_uring/cancel: re-grab ctx mutex after finishing wait 2022-12-21 13:31:40 -07:00
cancel.h
epoll.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
epoll.h
fdinfo.c io_uring: fix fdinfo sqe offsets calculation 2022-10-12 16:30:56 -06:00
fdinfo.h
filetable.c io_uring/filetable: fix file reference underflow 2022-11-25 06:54:46 -07:00
filetable.h io_uring: kill hot path fixed file bitmap debug checks 2022-10-16 17:07:53 -06:00
fs.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
fs.h
io_uring.c io_uring: fix CQ waiting timeout handling 2023-01-05 08:04:47 -07:00
io_uring.h io_uring: lockdep annotate CQ locking 2023-01-03 19:05:41 -07:00
io-wq.c io_uring/io-wq: only free worker if it was allocated for creation 2023-01-08 10:39:17 -07:00
io-wq.h
kbuf.c io_uring: don't use complete_post in kbuf 2022-11-25 06:11:15 -07:00
kbuf.h io_uring: allow buffer recycling in READV 2022-09-21 10:30:43 -06:00
Makefile
msg_ring.c io_uring/msg_ring: flag target ring as having task_work, if needed 2022-12-08 09:36:02 -07:00
msg_ring.h io_uring: get rid of double locking 2022-12-07 06:47:13 -07:00
net.c io_uring/net: fix cleanup after recycle 2022-12-19 08:28:28 -07:00
net.h io_uring/net: zerocopy sendmsg 2022-09-21 13:15:02 -06:00
nop.c
nop.h
notif.c io_uring/net: move mm accounting to a slower path 2022-11-21 07:38:31 -07:00
notif.h io_uring: move zc reporting from the hot path 2022-11-21 07:38:31 -07:00
opdef.c io_uring: get rid of double locking 2022-12-07 06:47:13 -07:00
opdef.h io_uring: dont remove file from msg_ring reqs 2022-12-07 06:47:13 -07:00
openclose.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
openclose.h
poll.c io_uring/poll: add hash if ready poll request can't complete inline 2023-01-09 15:46:57 -07:00
poll.h
refs.h
rsrc.c io_uring: use tw for putting rsrc 2022-12-07 06:47:13 -07:00
rsrc.h io_uring: use tw for putting rsrc 2022-12-07 06:47:13 -07:00
rw.c io_uring: fix overflow handling regression 2022-12-15 08:20:10 -07:00
rw.h io_uring/rw: don't lose partial IO result on fail 2022-09-21 13:15:02 -06:00
slist.h
splice.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
splice.h
sqpoll.c
sqpoll.h
statx.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
statx.h
sync.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
sync.h
tctx.c io_uring: remove io_register_submitter 2022-10-07 12:25:30 -06:00
tctx.h io_uring: simplify __io_uring_add_tctx_node 2022-10-07 12:25:30 -06:00
timeout.c io_uring: ease timeout flush locking requirements 2022-12-14 08:53:35 -07:00
timeout.h io_uring: remove unused return from io_disarm_next 2022-09-21 13:15:01 -06:00
uring_cmd.c io_uring: iopoll protect complete_post 2022-11-23 10:45:31 -07:00
uring_cmd.h
xattr.c acl: conver higher-level helpers to rely on mnt_idmap 2022-10-31 17:48:12 +01:00
xattr.h