https://github.com/torvalds/linux
Revision 216e5835966a709bb87a4d94a7343dd90ab0bd64 authored by Pavel Begunkov on 29 May 2021, 11:01:02 UTC, committed by Jens Axboe on 30 May 2021, 01:27:21 UTC
As Andres reports "... io_sqe_buffer_register() doesn't initialize imu.
io_buffer_account_pin() does imu->acct_pages++, before calling
io_account_mem(ctx, imu->acct_pages).", leading to evevntual -ENOMEM.
Initialise the field.
Reported-by: Andres Freund <andres@anarazel.de>
Fixes: 41edf1a5ec967 ("io_uring: keep table of pointers to ubufs")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/438a6f46739ae5e05d9c75a0c8fa235320ff367c.1622285901.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Tip revision: 216e5835966a709bb87a4d94a7343dd90ab0bd64 authored by Pavel Begunkov on 29 May 2021, 11:01:02 UTC
io_uring: fix misaccounting fix buf pinned pages
io_uring: fix misaccounting fix buf pinned pages
Tip revision: 216e583
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| LICENSES | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | -rw-r--r-- | 16.4 KB |
| .cocciconfig | -rw-r--r-- | 59 bytes |
| .get_maintainer.ignore | -rw-r--r-- | 71 bytes |
| .gitattributes | -rw-r--r-- | 62 bytes |
| .gitignore | -rw-r--r-- | 1.9 KB |
| .mailmap | -rw-r--r-- | 19.3 KB |
| COPYING | -rw-r--r-- | 496 bytes |
| CREDITS | -rw-r--r-- | 98.5 KB |
| Kbuild | -rw-r--r-- | 1.3 KB |
| Kconfig | -rw-r--r-- | 555 bytes |
| MAINTAINERS | -rw-r--r-- | 585.2 KB |
| Makefile | -rw-r--r-- | 65.3 KB |
| README | -rw-r--r-- | 727 bytes |
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