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linux/io_uring
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Jens Axboe c314094cb4 io_uring/net: harden multishot termination case for recv 
If the recv returns zero, or an error, then it doesn't matter if more
data has already been received for this buffer. A condition like that
should terminate the multishot receive. Rather than pass in the
collected return value, pass in whether to terminate or keep the recv
going separately.

Note that this isn't a bug right now, as the only way to get there is
via setting MSG_WAITALL with multishot receive. And if an application
does that, then -EINVAL is returned anyway. But it seems like an easy
bug to introduce, so let's make it a bit more explicit.

Link: https://github.com/axboe/liburing/issues/1246
Cc: stable@vger.kernel.org
Fixes: b3fdea6ecb ("io_uring: multishot recv")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-09-30 08:26:59 -06:00
..
advise.c io_uring/advise: support 64-bit lengths 2024-06-16 14:54:55 -06:00
advise.h
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
eventfd.c io_uring/eventfd: move refs to refcount_t 2024-09-08 16:43:57 -06:00
eventfd.h io_uring/eventfd: move eventfd handling to separate file 2024-06-16 14:54:55 -06:00
fdinfo.c io_uring/rsrc: change ubuf->ubuf_end to length tracking 2024-09-15 09:15:22 -06:00
fdinfo.h
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
futex.c io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
futex.h io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
io_uring.c io_uring: fix casts to io_req_flags_t 2024-09-24 13:31:04 -06:00
io_uring.h io_uring/cmd: expose iowq to cmds 2024-09-11 10:44:10 -06:00
io-wq.c io_uring/io-wq: inherit cpuset of cgroup in io worker 2024-09-11 07:27:56 -06:00
io-wq.h io_uring/io-wq: make io_wq_work flags atomic 2024-06-16 14:54:55 -06:00
kbuf.c for-6.12/io_uring-20240913 2024-09-16 13:29:00 +02:00
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: don't attempt to mmap larger than what the user asks for 2024-05-29 09:53:14 -06:00
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_ring: fix uninitialized use of target_req->flags 2024-07-25 08:41:35 -06:00
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: harden multishot termination case for recv 2024-09-30 08:26:59 -06:00
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
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: keep multishot request NAPI timeout current 2024-07-30 06:18:58 -06:00
poll.h io_uring/poll: shrink alloc cache size to 32 2024-04-15 08:10:25 -06:00
refs.h io_uring: kill dead code in io_req_complete_post 2024-04-15 08:10:26 -06:00
register.c io_uring: clean up a type in io_uring_register_get_file() 2024-09-16 12:04:10 -06:00
register.h io_uring: clean up a type in io_uring_register_get_file() 2024-09-16 12:04:10 -06:00
rsrc.c for-6.12/io_uring-20240922 2024-09-24 11:11:38 -07:00
rsrc.h io_uring/rsrc: change ubuf->ubuf_end to length tracking 2024-09-15 09:15:22 -06:00
rw.c io_uring/rw: drop -EOPNOTSUPP check in __io_complete_rw_common() 2024-09-10 09:34:44 -06:00
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
sqpoll.c for-6.12/io_uring-20240922 2024-09-24 11:11:38 -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 vfs: retire user_path_at_empty and drop empty arg from getname_flags 2024-06-05 17:03:57 +02:00
statx.h
sync.c
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
timeout.c io_uring: fix io_match_task must_hold 2024-07-24 08:01:49 -06:00
timeout.h
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/cmd: expose iowq to cmds 2024-09-11 10:44:10 -06:00
uring_cmd.h io_uring/alloc_cache: switch to array based caching 2024-04-15 08:10:25 -06:00
waitid.c io_uring: remove struct io_tw_state::locked 2024-04-15 08:10:24 -06:00
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