Pavel Begunkov b9826e3b26 io_uring: prevent opcode speculation ...

commit 1e988c3fe1264708f4f92109203ac5b1d65de50b upstream.

sqe->opcode is used for different tables, make sure we santitise it
against speculations.

Cc: stable@vger.kernel.org
Fixes: d3656344fe ("io_uring: add lookup table for various opcode needs")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Li Zetao <lizetao1@huawei.com>
Link: https://lore.kernel.org/r/7eddbf31c8ca0a3947f8ed98271acc2b4349c016.1739568408.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2025-02-27 04:10:51 -08:00

..

advise.c

io_uring: always go async for unsupported fadvise flags

2023-01-29 15:18:26 -07:00

advise.h

io_uring: split out fadvise/madvise operations

2022-07-24 18:39:11 -06:00

alloc_cache.h

io_uring/rsrc: consolidate node caching

2023-04-12 12:09:41 -06:00

cancel.c

io_uring: use fget/fput consistently

2024-01-20 11:51:38 +01:00

cancel.h

io_uring/cancel: support opcode based lookup and cancelation

2023-07-17 10:05:48 -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

fdinfo.c

io_uring/fdinfo: remove need for sqpoll lock for thread/pid retrieval

2023-11-28 17:19:52 +00:00

fdinfo.h

io_uring: move fdinfo helpers to its own file

2022-07-24 18:39:12 -06:00

filetable.c

io_uring: drop any code related to SCM_RIGHTS

2024-03-26 18:19:09 -04:00

filetable.h

io_uring: add helpers to decode the fixed file file_ptr

2023-06-20 09:36:22 -06:00

fs.c

io_uring/fs: consider link->flags when getting path for LINKAT

2023-12-03 07:33:07 +01:00

fs.h

io_uring: split out filesystem related operations

2022-07-24 18:39:11 -06:00

io_uring.c

io_uring: prevent opcode speculation

2025-02-27 04:10:51 -08:00

io_uring.h

io_uring/rw: avoid punting to io-wq directly

2024-12-27 13:58:57 +01:00

io-wq.c

io_uring/io-wq: inherit cpuset of cgroup in io worker

2024-10-04 16:29:01 +02:00

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: reallocate buf lists on upgrade

2025-02-21 13:57:27 +01:00

kbuf.h

io_uring/kbuf: hold io_buffer_list reference over mmap

2024-04-10 16:36:03 +02:00

Makefile

io_uring: add zc notification infrastructure

2022-07-24 18:41:06 -06:00

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

net.c

io_uring/net: don't retry connect operation on EPOLLERR

2025-02-17 09:40:36 +01:00

net.h

io_uring: Add KASAN support for alloc_caches

2023-04-03 07:16:14 -06:00

nop.c

io_uring: fail NOP if non-zero op flags is passed in

2024-06-12 11:11:18 +02:00

nop.h

io_uring: move nop into its own file

2022-07-24 18:39:11 -06:00

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: Pass whole sqe to commands

2023-05-04 08:19:05 -06:00

opdef.h

io_uring: Split io_issue_def struct

2023-01-29 15:17:41 -07:00

openclose.c

io_uring: correct check for O_TMPFILE

2023-08-07 12:34:23 -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/net: don't retry connect operation on EPOLLERR

2025-02-17 09:40:36 +01:00

poll.h

io_uring: avoid indirect function calls for the hottest task_work

2023-06-02 08:55:37 -06:00

refs.h

io_uring: make io_uring_types.h public

2022-07-24 18:39:14 -06:00

rsrc.c

io_uring/rsrc: fix incorrect assignment of iter->nr_segs in io_import_fixed

2024-06-27 13:49:10 +02:00

rsrc.h

io_uring: drop any code related to SCM_RIGHTS

2024-03-26 18:19:09 -04:00

rw.c

io_uring/rw: commit provided buffer state on async

2025-02-17 09:40:37 +01:00

rw.h

io_uring: avoid indirect function calls for the hottest task_work

2023-06-02 08:55:37 -06:00

slist.h

io_uring: silence variable ‘prev’ set but not used warning

2023-03-09 10:10:58 -07:00

splice.c

io_uring/splice: use fput() directly

2023-08-10 10:24:25 -06:00

splice.h

io_uring: split out splice related operations

2022-07-24 18:39:11 -06:00

sqpoll.c

io_uring/sqpoll: fix sqpoll error handling races

2025-01-02 10:32:10 +01:00

sqpoll.h

io_uring/sqpoll: fix io-wq affinity when IORING_SETUP_SQPOLL is used

2023-08-16 13:40:28 -06:00

statx.c

io_uring: for requests that require async, force it

2023-01-29 15:18:26 -07:00

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 20:00:17 +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 13:36:19 +01:00

timeout.h

io_uring: remove unused return from io_disarm_next

2022-09-21 13:15:01 -06:00

uring_cmd.c

io_uring/uring_cmd: use cached cmd_op in io_uring_cmd_sock()

2025-02-08 09:52:33 +01:00

uring_cmd.h

io_uring: Remove unnecessary BUILD_BUG_ON

2023-05-04 08:19:05 -06:00

xattr.c

io_uring: for requests that require async, force it

2023-01-29 15:18:26 -07:00

xattr.h

io_uring: move xattr related opcodes to its own file

2022-07-24 18:39:11 -06:00