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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-12-11 01:15:39 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-12-11 01:15:39 +0300 |
| commit | 0d21e6684779493d90f3dee90d4457d5b4aed8ad (patch) | |
| tree | 8b4beb5cc8d10ecdd64cd16d653891349aa2c946 /mm | |
| parent | b9172f9e88446f3ede07594752c70555a2aee33f (diff) | |
| parent | 4b3749865374899e115aa8c48681709b086fe6d3 (diff) | |
| download | linux-0d21e6684779493d90f3dee90d4457d5b4aed8ad.tar.xz | |
Merge tag 'aio-poll-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull aio poll fixes from Eric Biggers:
"Fix three bugs in aio poll, and one issue with POLLFREE more broadly:
- aio poll didn't handle POLLFREE, causing a use-after-free.
- aio poll could block while the file is ready.
- aio poll called eventfd_signal() when it isn't allowed.
- POLLFREE didn't handle multiple exclusive waiters correctly.
This has been tested with the libaio test suite, as well as with test
programs I wrote that reproduce the first two bugs. I am sending this
pull request myself as no one seems to be maintaining this code"
* tag 'aio-poll-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux:
aio: Fix incorrect usage of eventfd_signal_allowed()
aio: fix use-after-free due to missing POLLFREE handling
aio: keep poll requests on waitqueue until completed
signalfd: use wake_up_pollfree()
binder: use wake_up_pollfree()
wait: add wake_up_pollfree()
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions