linux/io_uring
Jens Axboe deaef31bc1 io_uring/net: correctly handle multishot recvmsg retry setup
If we loop for multishot receive on the initial attempt, and then abort
later on to wait for more, we miss a case where we should be copying the
io_async_msghdr from the stack to stable storage. This leads to the next
retry potentially failing, if the application had the msghdr on the
stack.

Cc: stable@vger.kernel.org
Fixes: 9bb66906f2 ("io_uring: support multishot in recvmsg")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-03-07 17:48:03 -07:00
..
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/sqpoll: statistics of the true utilization of sq threads 2024-03-01 06:28:19 -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: add support for vectored futex waits 2023-09-29 02:37:08 -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: kill stale comment for io_cqring_overflow_kill() 2024-02-15 14:04:56 -07:00
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: flag request if buffer pool is empty after buffer pick 2024-02-27 11:52:45 -07:00
kbuf.h io_uring/kbuf: cleanup passing back cflags 2024-02-08 13:27:06 -07:00
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: correctly handle multishot recvmsg retry setup 2024-03-07 17:48:03 -07:00
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 io_queue_proc modifying req->flags 2024-03-07 11:10:28 -07:00
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: fix mshot read defer taskrun cqe posting 2024-03-07 06:30:33 -07:00
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: statistics of the true utilization of sq threads 2024-03-01 06:28:19 -07:00
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: add IORING_OP_WAITID support 2023-09-21 12:04:45 -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