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Jens Axboe 1251d2025c io_uring/sqpoll: early exit thread if task_context wasn't allocated 
Ideally we'd want to simply kill the task rather than wake it, but for
now let's just add a startup check that causes the thread to exit.
This can only happen if io_uring_alloc_task_context() fails, which
generally requires fault injection.

Reported-by: Ubisectech Sirius <bugreport@ubisectech.com>
Fixes: af5d68f8892f ("io_uring/sqpoll: manage task_work privately")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-03-18 20:22:42 -06:00
..
advise.c
io_uring: always go async for unsupported fadvise flags
2023-01-29 15:18:26 -07:00
advise.h
…
alloc_cache.h
io_uring: use mempool KASAN hook
2023-12-29 11:58:41 -08:00
cancel.c
io_uring/cancel: don't default to setting req->work.cancel_seq
2024-02-08 13:27:06 -07:00
cancel.h
io_uring/cancel: don't default to setting req->work.cancel_seq
2024-02-08 13:27:06 -07:00
epoll.c
io_uring: undeprecate epoll_ctl support
2023-05-26 20:22:41 -06:00
epoll.h
…
fdinfo.c
io_uring: Fix sqpoll utilization check racing with dying sqpoll
2024-03-09 07:27:09 -07:00
fdinfo.h
…
filetable.c
io_uring: drop any code related to SCM_RIGHTS
2023-12-19 12:36:34 -07:00
filetable.h
io_uring: expand main struct io_kiocb flags to 64-bits
2024-02-08 13:27:03 -07:00
fs.c
io_uring/fs: consider link->flags when getting path for LINKAT
2023-11-20 09:01:42 -07:00
fs.h
…
futex.c
io_uring/futex: always remove futex entry for cancel all
2024-03-15 15:37:15 -06:00
futex.h
io_uring: add support for vectored futex waits
2023-09-29 02:37:08 -06:00
io_uring.c
io_uring: clear opcode specific data for an early failure
2024-03-16 11:24:50 -06:00
io_uring.h
io_uring/napi: ensure napi polling is aborted when work is available
2024-02-14 13:01:25 -07:00
io-wq.c
io-wq: fully initialize wqe before calling cpuhp_state_add_instance_nocalls()
2023-10-05 14:11:18 -06:00
io-wq.h
io_uring: break out of iowq iopoll on teardown
2023-09-07 09:02:27 -06:00
kbuf.c
io_uring/kbuf: rename is_mapped
2024-03-13 14:50:42 -06:00
kbuf.h
io_uring/kbuf: rename is_mapped
2024-03-13 14:50:42 -06:00
Makefile
io-uring: add napi busy poll support
2024-02-09 11:54:19 -07:00
msg_ring.c
io_uring: use io_file_from_index in io_msg_grab_file
2023-06-20 09:36:22 -06:00
msg_ring.h
io_uring: get rid of double locking
2022-12-07 06:47:13 -07:00
napi.c
io_uring/napi: enable even with a timeout of 0
2024-02-15 15:37:28 -07:00
napi.h
io_uring: add register/unregister napi function
2024-02-09 11:54:32 -07:00
net.c
io_uring/net: ensure async prep handlers always initialize ->done_io
2024-03-16 10:33:19 -06:00
net.h
io_uring: Add KASAN support for alloc_caches
2023-04-03 07:16:14 -06:00
nop.c
…
nop.h
…
notif.c
io_uring/notif: add constant for ubuf_info flags
2023-04-15 14:21:04 -06:00
notif.h
io_uring/notif: add constant for ubuf_info flags
2023-04-15 14:21:04 -06:00
opdef.c
io_uring: add support for ftruncate
2024-02-09 09:04:39 -07:00
opdef.h
io_uring/rw: mark readv/writev as vectored in the opcode definition
2023-09-21 12:00:46 -06:00
openclose.c
io_uring: enable audit and restrict cred override for IORING_OP_FIXED_FD_INSTALL
2024-01-23 15:25:14 -07:00
openclose.h
io_uring/openclose: add support for IORING_OP_FIXED_FD_INSTALL
2023-12-12 07:42:57 -07:00
poll.c
io_uring: fix poll_remove stalled req completion
2024-03-15 09:36:56 -06:00
poll.h
io_uring/rw: ensure poll based multishot read retries appropriately
2024-01-28 20:37:11 -07:00
refs.h
…
register.c
io_uring: add register/unregister napi function
2024-02-09 11:54:32 -07:00
register.h
io_uring/register: move io_uring_register(2) related code to register.c
2023-12-19 08:54:20 -07:00
rsrc.c
io_uring: drop any code related to SCM_RIGHTS
2023-12-19 12:36:34 -07:00
rsrc.h
io_uring: Don't include af_unix.h.
2024-02-12 19:02:11 -07:00
rw.c
io_uring/rw: return IOU_ISSUE_SKIP_COMPLETE for multishot retry
2024-03-12 08:29:47 -06:00
rw.h
io_uring/rw: add separate prep handler for fixed read/write
2023-11-06 07:43:16 -07:00
slist.h
io_uring: silence variable ‘prev’ set but not used warning
2023-03-09 10:10:58 -07:00
splice.c
splice: return type ssize_t from all helpers
2023-12-12 16:19:59 +01:00
splice.h
…
sqpoll.c
io_uring/sqpoll: early exit thread if task_context wasn't allocated
2024-03-18 20:22:42 -06:00
sqpoll.h
io_uring/sqpoll: statistics of the true utilization of sq threads
2024-03-01 06:28:19 -07:00
statx.c
io_uring: for requests that require async, force it
2023-01-29 15:18:26 -07:00
statx.h
…
sync.c
io_uring: for requests that require async, force it
2023-01-29 15:18:26 -07:00
sync.h
…
tctx.c
io_uring: Add io_uring_setup flag to pre-register ring fd and never install it
2023-05-16 08:06:00 -06:00
tctx.h
io_uring: simplify __io_uring_add_tctx_node
2022-10-07 12:25:30 -06:00
timeout.c
io_uring: never overflow io_aux_cqe
2023-08-11 10:42:57 -06:00
timeout.h
io_uring: remove unused return from io_disarm_next
2022-09-21 13:15:01 -06:00
truncate.c
io_uring: add support for ftruncate
2024-02-09 09:04:39 -07:00
truncate.h
io_uring: add support for ftruncate
2024-02-09 09:04:39 -07:00
uring_cmd.c
io_uring: Don't include af_unix.h.
2024-02-12 19:02:11 -07:00
uring_cmd.h
io_uring: Remove unnecessary BUILD_BUG_ON
2023-05-04 08:19:05 -06:00
waitid.c
io_uring/waitid: always remove waitid entry for cancel all
2024-03-15 15:42:49 -06:00
waitid.h
io_uring: add IORING_OP_WAITID support
2023-09-21 12:04:45 -06:00
xattr.c
io_uring: use file_mnt_idmap helper
2024-02-06 19:55:14 -07:00
xattr.h
…