Jens Axboe 220778af6c io_uring/net: correctly handle multishot recvmsg retry setup ...

[ Upstream commit deaef31bc1 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-04-03 15:19:33 +02:00

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advise.c

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advise.h

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alloc_cache.h

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cancel.c

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cancel.h

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epoll.c

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epoll.h

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fdinfo.c

io_uring/fdinfo: lock SQ thread while retrieving thread cpu/pid

2023-11-02 09:35:29 +01:00

fdinfo.h

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filetable.c

io_uring: drop any code related to SCM_RIGHTS

2024-03-26 18:20:22 -04:00

filetable.h

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fs.c

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

2023-12-03 07:32:11 +01:00

fs.h

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io_uring.c

io_uring: drop any code related to SCM_RIGHTS

2024-03-26 18:20:22 -04:00

io_uring.h

io_uring/unix: drop usage of io_uring socket

2024-03-26 18:20:22 -04:00

io-wq.c

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

2023-09-19 12:27:54 +02:00

io-wq.h

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

2023-09-19 12:27:54 +02:00

kbuf.c

io_uring/kbuf: Allow the full buffer id space for provided buffers

2023-11-20 11:52:00 +01:00

kbuf.h

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Makefile

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msg_ring.c

io_uring/msg_ring: fix missing lock on overflow for IOPOLL

2023-08-30 16:11:05 +02:00

msg_ring.h

io_uring: get rid of double locking

2023-08-30 16:11:04 +02:00

net.c

io_uring/net: correctly handle multishot recvmsg retry setup

2024-04-03 15:19:33 +02:00

net.h

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nop.c

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nop.h

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notif.c

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notif.h

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opdef.c

io_uring: get rid of double locking

2023-08-30 16:11:04 +02:00

opdef.h

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openclose.c

io_uring: correct check for O_TMPFILE

2023-08-16 18:27:24 +02:00

openclose.h

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poll.c

io_uring: always lock in io_apoll_task_func

2023-09-19 12:27:54 +02:00

poll.h

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refs.h

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rsrc.c

io_uring: drop any code related to SCM_RIGHTS

2024-03-26 18:20:22 -04:00

rsrc.h

io_uring: drop any code related to SCM_RIGHTS

2024-03-26 18:20:22 -04:00

rw.c

io_uring/rw: ensure io->bytes_done is always initialized

2024-01-25 15:27:41 -08:00

rw.h

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slist.h

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splice.c

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splice.h

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sqpoll.c

io_uring: Don't set affinity on a dying sqpoll thread

2023-09-19 12:27:54 +02:00

sqpoll.h

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

2023-09-19 12:27:54 +02:00

statx.c

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statx.h

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sync.c

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sync.h

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tctx.c

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tctx.h

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timeout.c

io_uring: annotate offset timeout races

2023-08-11 12:08:24 +02:00

timeout.h

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uring_cmd.c

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uring_cmd.h

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xattr.c

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xattr.h

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