linux/io_uring
Penglei Jiang 1a4254ab06 io_uring: fix task leak issue in io_wq_create()
commit 89465d923b upstream.

Add missing put_task_struct() in the error path

Cc: stable@vger.kernel.org
Fixes: 0f8baa3c98 ("io-wq: fully initialize wqe before calling cpuhp_state_add_instance_nocalls()")
Signed-off-by: Penglei Jiang <superman.xpt@gmail.com>
Link: https://lore.kernel.org/r/20250615163906.2367-1-superman.xpt@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-06-27 11:11:36 +01:00
..
advise.c io_uring/advise: support 64-bit lengths 2024-06-16 14:54:55 -06:00
advise.h io_uring: split out fadvise/madvise operations 2022-07-24 18:39:11 -06:00
alloc_cache.h io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
cancel.c io_uring: fix warnings on shadow variables 2024-04-15 08:10:26 -06:00
cancel.h io_uring: fix cancellation overwriting req->flags 2024-06-13 19:25:28 -06:00
epoll.c io_uring: undeprecate epoll_ctl support 2023-05-26 20:22:41 -06:00
epoll.h io_uring: move epoll handler to its own file 2022-07-24 18:39:11 -06:00
eventfd.c io_uring/eventfd: ensure io_eventfd_signal() defers another RCU period 2025-01-17 13:40:58 +01:00
eventfd.h io_uring/eventfd: move eventfd handling to separate file 2024-06-16 14:54:55 -06:00
fdinfo.c io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo() 2025-06-19 15:32:33 +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: don't unnecessarily clear/reset bitmap 2024-05-08 08:27:45 -06:00
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 io_uring: split out filesystem related operations 2022-07-24 18:39:11 -06:00
futex.c futex: Pass in task to futex_queue() 2025-03-22 12:54:14 -07:00
futex.h io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
io-wq.c io_uring: fix task leak issue in io_wq_create() 2025-06-27 11:11:36 +01:00
io-wq.h io_uring/io-wq: make io_wq_work flags atomic 2024-06-16 14:54:55 -06:00
io_uring.c io_uring: account drain memory to cgroup 2025-06-27 11:11:13 +01:00
io_uring.h io_uring/sqpoll: ensure task state is TASK_RUNNING when running task_work 2024-10-17 08:38:04 -06:00
kbuf.c io_uring/kbuf: don't truncate end buffer for multiple buffer peeks 2025-06-27 11:11:36 +01:00
kbuf.h io_uring/kbuf: add support for incremental buffer consumption 2024-08-29 08:44:58 -06:00
Makefile io_uring: add GCOV_PROFILE_URING Kconfig option 2024-08-30 10:52:02 -06:00
memmap.c io_uring: check for overflows in io_pin_pages 2024-12-05 14:02:50 +01:00
memmap.h io_uring: move mapping/allocation helpers to a separate file 2024-04-15 08:10:26 -06:00
msg_ring.c io_uring/msg: initialise msg request opcode 2025-05-29 11:02:03 +02:00
msg_ring.h io_uring/msg_ring: add an alloc cache for io_kiocb entries 2024-06-24 08:39:55 -06:00
napi.c io_uring: user registered clockid for wait timeouts 2024-08-25 08:27:01 -06:00
napi.h io_uring/napi: postpone napi timeout adjustment 2024-08-25 08:27:01 -06:00
net.c io_uring/net: fix io_req_post_cqe abuse by send bundle 2025-04-20 10:15:40 +02:00
net.h io_uring: Introduce IORING_OP_LISTEN 2024-06-19 07:57:21 -06:00
nop.c io_uring: support to inject result for NOP 2024-05-10 06:09:45 -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: disable LAZY_WAKE for linked notifs 2024-04-30 13:06:27 -06:00
notif.h io_uring/notif: implement notification stacking 2024-04-22 19:31:18 -06:00
opdef.c io_uring: Fix probe of disabled operations 2024-06-19 08:58:00 -06:00
opdef.h io_uring: Fix probe of disabled operations 2024-06-19 08:58:00 -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/net: don't retry connect operation on EPOLLERR 2025-02-17 10:05:38 +01:00
poll.h io_uring/poll: shrink alloc cache size to 32 2024-04-15 08:10:25 -06:00
refs.h io_uring: always do atomic put from iowq 2025-05-02 07:59:21 +02:00
register.c io_uring: consistently use rcu semantics with sqpoll thread 2025-06-19 15:32:33 +02:00
register.h io_uring: clean up a type in io_uring_register_get_file() 2024-09-16 12:04:10 -06:00
rsrc.c io_uring/rsrc: require cloned buffers to share accounting contexts 2025-02-01 18:39:40 +01:00
rsrc.h io_uring/rsrc: change ubuf->ubuf_end to length tracking 2024-09-15 09:15:22 -06:00
rw.c block: add a rq_list type 2025-04-25 10:48:06 +02:00
rw.h io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
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 io_uring: split out splice related operations 2022-07-24 18:39:11 -06:00
sqpoll.c io_uring: consistently use rcu semantics with sqpoll thread 2025-06-19 15:32:33 +02:00
sqpoll.h io_uring: consistently use rcu semantics with sqpoll thread 2025-06-19 15:32:33 +02:00
statx.c vfs: retire user_path_at_empty and drop empty arg from getname_flags 2024-06-05 17:03:57 +02:00
statx.h io_uring: move statx handling to its own file 2022-07-24 18:39:11 -06:00
sync.c io_uring: for requests that require async, force it 2023-01-29 15:18:26 -07:00
sync.h io_uring: split out fs related sync/fallocate functions 2022-07-24 18:39:11 -06:00
tctx.c io_uring/tctx: work around xa_store() allocation error issue 2024-12-14 20:04:10 +01:00
tctx.h io_uring: simplify __io_uring_add_tctx_node 2022-10-07 12:25:30 -06:00
timeout.c io_uring/timeout: fix multishot updates 2025-01-17 13:40:51 +01:00
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/uring_cmd: remove dead req_has_async_data() check 2025-02-21 14:01:20 +01:00
uring_cmd.h io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
waitid.c io_uring/waitid: don't abuse io_tw_state 2025-02-21 14:01:20 +01:00
waitid.h io_uring: add IORING_OP_WAITID support 2023-09-21 12:04:45 -06:00
xattr.c vfs: retire user_path_at_empty and drop empty arg from getname_flags 2024-06-05 17:03:57 +02:00
xattr.h io_uring: move xattr related opcodes to its own file 2022-07-24 18:39:11 -06:00