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9148286476
linux/io_uring
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Pavel Begunkov 9148286476 io_uring: fix multishot accept request leaks 
Having REQ_F_POLLED set doesn't guarantee that the request is
executed as a multishot from the polling path. Fortunately for us, if
the code thinks it's multishot issue when it's not, it can only ask to
skip completion so leaking the request. Use issue_flags to mark
multipoll issues.

Cc: stable@vger.kernel.org
Fixes: 390ed29b5e ("io_uring: add IORING_ACCEPT_MULTISHOT for accept")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/7700ac57653f2823e30b34dc74da68678c0c5f13.1668710222.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-11-17 12:33:33 -07:00
..
advise.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
advise.h
alloc_cache.h
cancel.c io_uring: add IORING_SETUP_DEFER_TASKRUN 2022-09-21 10:30:42 -06:00
cancel.h
epoll.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
epoll.h
fdinfo.c io_uring: fix fdinfo sqe offsets calculation 2022-10-12 16:30:56 -06:00
fdinfo.h
filetable.c
filetable.h io_uring: kill hot path fixed file bitmap debug checks 2022-10-16 17:07:53 -06:00
fs.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
fs.h
io_uring.c io_uring: fix multishot accept request leaks 2022-11-17 12:33:33 -07:00
io_uring.h io_uring: fix multishot accept request leaks 2022-11-17 12:33:33 -07:00
io-wq.c io-wq: Fix memory leak in worker creation 2022-10-20 05:48:59 -07:00
io-wq.h
kbuf.c io_uring: check for rollover of buffer ID when providing buffers 2022-11-10 11:07:41 -07:00
kbuf.h io_uring: allow buffer recycling in READV 2022-09-21 10:30:43 -06:00
Makefile
msg_ring.c io_uring/msg_ring: Fix NULL pointer dereference in io_msg_send_fd() 2022-10-19 12:33:33 -07:00
msg_ring.h
net.c io_uring: fix multishot accept request leaks 2022-11-17 12:33:33 -07:00
net.h io_uring/net: zerocopy sendmsg 2022-09-21 13:15:02 -06:00
nop.c
nop.h
notif.c io_uring/notif: Remove the unused function io_notif_complete() 2022-09-05 11:42:39 -06:00
notif.h io_uring/net: simplify zerocopy send user API 2022-09-01 09:13:33 -06:00
opdef.c io_uring/opdef: remove 'audit_skip' from SENDMSG_ZC 2022-10-12 16:30:56 -06:00
opdef.h io_uring: add custom opcode hooks on fail 2022-09-21 13:15:02 -06:00
openclose.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
openclose.h
poll.c io_uring: fix tw losing poll events 2022-11-17 12:33:33 -07:00
poll.h
refs.h
rsrc.c io_uring: remove FFS_SCM 2022-10-16 17:07:12 -06:00
rsrc.h io_uring: remove FFS_SCM 2022-10-16 17:07:12 -06:00
rw.c io_uring/rw: remove leftover debug statement 2022-10-16 17:24:10 -06:00
rw.h io_uring/rw: don't lose partial IO result on fail 2022-09-21 13:15:02 -06:00
slist.h
splice.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
splice.h
sqpoll.c
sqpoll.h
statx.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
statx.h
sync.c io_uring: make io_kiocb_to_cmd() typesafe 2022-08-12 17:01:00 -06:00
sync.h
tctx.c io_uring: remove io_register_submitter 2022-10-07 12:25:30 -06:00
tctx.h io_uring: simplify __io_uring_add_tctx_node 2022-10-07 12:25:30 -06:00
timeout.c io_uring: remove unused return from io_disarm_next 2022-09-21 13:15:01 -06:00
timeout.h io_uring: remove unused return from io_disarm_next 2022-09-21 13:15:01 -06:00
uring_cmd.c io_uring: introduce fixed buffer support for io_uring_cmd 2022-09-30 07:50:59 -06:00
uring_cmd.h
xattr.c __io_setxattr(): constify path 2022-09-01 17:39:05 -04:00
xattr.h