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linux-stable/io_uring
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Pavel Begunkov b026bb1617 io_uring: fix CQ waiting timeout handling 
commit 12521a5d5cb7ff0ad43eadfc9c135d86e1131fa8 upstream.

Jiffy to ktime CQ waiting conversion broke how we treat timeouts, in
particular we rearm it anew every time we get into
io_cqring_wait_schedule() without adjusting the timeout. Waiting for 2
CQEs and getting a task_work in the middle may double the timeout value,
or even worse in some cases task may wait indefinitely.

Cc: stable@vger.kernel.org
Fixes: 228339662b398 ("io_uring: don't convert to jiffies for waiting on timeouts")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/f7bffddd71b08f28a877d44d37ac953ddb01590d.1672915663.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-12 12:00:46 +01:00
..
advise.c
io_uring: make io_kiocb_to_cmd() typesafe
2022-08-12 17:01:00 -06:00
advise.h
io_uring: split out fadvise/madvise operations
2022-07-24 18:39:11 -06:00
alloc_cache.h
io_uring: impose max limit on apoll cache
2022-07-24 18:39:17 -06:00
cancel.c
io_uring: fix off-by-one in sync cancelation file check
2022-08-23 07:26:08 -06:00
cancel.h
io_uring: add sync cancelation API through io_uring_register()
2022-07-24 18:39:15 -06:00
epoll.c
io_uring: make io_kiocb_to_cmd() typesafe
2022-08-12 17:01:00 -06:00
epoll.h
io_uring: move epoll handler to its own file
2022-07-24 18:39:11 -06:00
fdinfo.c
io_uring: fix fdinfo sqe offsets calculation
2022-10-21 12:39:29 +02:00
fdinfo.h
io_uring: move fdinfo helpers to its own file
2022-07-24 18:39:12 -06:00
filetable.c
io_uring/filetable: fix file reference underflow
2022-12-02 17:43:09 +01:00
filetable.h
io_uring: let to set a range for file slot allocation
2022-07-24 18:39:16 -06:00
fs.c
io_uring: make io_kiocb_to_cmd() typesafe
2022-08-12 17:01:00 -06:00
fs.h
io_uring: split out filesystem related operations
2022-07-24 18:39:11 -06:00
io_uring.c
io_uring: fix CQ waiting timeout handling
2023-01-12 12:00:46 +01:00
io_uring.h
io_uring: clear TIF_NOTIFY_SIGNAL if set and task_work not available
2022-12-02 17:43:12 +01:00
io-wq.c
io-wq: Fix memory leak in worker creation
2022-10-26 12:22:57 +02:00
io-wq.h
io_uring: move list helpers to a separate file
2022-07-24 18:39:15 -06:00
kbuf.c
io_uring: check for rollover of buffer ID when providing buffers
2022-11-16 10:04:09 +01:00
kbuf.h
io_uring/kbuf: fix not advancing READV kbuf ring
2022-09-07 10:36:10 -06:00
Makefile
io_uring: add zc notification infrastructure
2022-07-24 18:41:06 -06:00
msg_ring.c
io_uring: dont remove file from msg_ring reqs
2023-01-04 11:26:29 +01:00
msg_ring.h
io_uring: move msg_ring into its own file
2022-07-24 18:39:12 -06:00
net.c
io_uring/net: fix cleanup after recycle
2022-12-31 13:26:53 +01:00
net.h
io_uring/net: rename io_sendzc()
2022-10-21 12:39:27 +02:00
nop.c
io_uring: kill extra io_uring_types.h includes
2022-07-24 18:39:14 -06:00
nop.h
io_uring: move nop into its own file
2022-07-24 18:39:11 -06:00
notif.c
io_uring/notif: Remove the unused function io_notif_complete()
2022-09-05 11:42:39 -06:00
notif.h
io_uring/net: simplify zerocopy send user API
2022-09-01 09:13:33 -06:00
opdef.c
io_uring: dont remove file from msg_ring reqs
2023-01-04 11:26:29 +01:00
opdef.h
io_uring: dont remove file from msg_ring reqs
2023-01-04 11:26:29 +01:00
openclose.c
io_uring: make io_kiocb_to_cmd() typesafe
2022-08-12 17:01:00 -06:00
openclose.h
io_uring: split out fixed file installation and removal
2022-07-24 18:39:16 -06:00
poll.c
io_uring: make poll refs more robust
2022-12-02 17:43:12 +01:00
poll.h
io_uring: add abstraction around apoll cache
2022-07-24 18:39:17 -06:00
refs.h
io_uring: make io_uring_types.h public
2022-07-24 18:39:14 -06:00
rsrc.c
io_uring/af_unix: defer registered files gc to io_uring release
2022-10-21 12:37:33 +02:00
rsrc.h
Revert "io_uring: rename IORING_OP_FILES_UPDATE"
2022-09-01 09:13:33 -06:00
rw.c
io_uring: remove iopoll spinlock
2022-12-31 13:26:53 +01:00
rw.h
io_uring/rw: don't lose partial IO result on fail
2022-10-21 12:37:32 +02:00
slist.h
io_uring: move list helpers to a separate file
2022-07-24 18:39:15 -06:00
splice.c
io_uring: make io_kiocb_to_cmd() typesafe
2022-08-12 17:01:00 -06:00
splice.h
io_uring: split out splice related operations
2022-07-24 18:39:11 -06:00
sqpoll.c
audit, io_uring, io-wq: Fix memory leak in io_sq_thread() and io_wqe_worker()
2022-08-04 08:33:54 -06:00
sqpoll.h
io_uring: move SQPOLL related handling into its own file
2022-07-24 18:39:12 -06:00
statx.c
io_uring: make io_kiocb_to_cmd() typesafe
2022-08-12 17:01:00 -06:00
statx.h
io_uring: move statx handling to its own file
2022-07-24 18:39:11 -06:00
sync.c
io_uring: make io_kiocb_to_cmd() typesafe
2022-08-12 17:01:00 -06:00
sync.h
io_uring: split out fs related sync/fallocate functions
2022-07-24 18:39:11 -06:00
tctx.c
io_uring: lockless task list
2022-07-24 18:39:15 -06:00
tctx.h
io_uring: export io_put_task()
2022-07-24 18:41:06 -06:00
timeout.c
io_uring: protect cq_timeouts with timeout_lock
2022-12-31 13:26:53 +01:00
timeout.h
io_uring: move a few private types to local headers
2022-07-24 18:39:14 -06:00
uring_cmd.c
lsm/stable-6.0 PR 20220829
2022-08-31 09:23:16 -07:00
uring_cmd.h
io_uring: move uring_cmd handling to its own file
2022-07-24 18:39:11 -06:00
xattr.c
io_uring: make io_kiocb_to_cmd() typesafe
2022-08-12 17:01:00 -06:00
xattr.h
io_uring: move xattr related opcodes to its own file
2022-07-24 18:39:11 -06:00