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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-19 04:46:50 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-19 04:46:50 +0300 |
| commit | 0097c18e459c5ca5d169750eaed99fd272606c1a (patch) | |
| tree | 7aa84796a1461bf6bee16adf72208b00e5117e46 /kernel/kprobes.c | |
| parent | a33d946cbb8709339a856d7da406a7a670e86a60 (diff) | |
| parent | d125d1349abeb46945dc5e98f7824bf688266f13 (diff) | |
| download | linux-0097c18e459c5ca5d169750eaed99fd272606c1a.tar.xz | |
Merge tag 'timers-urgent-2023-02-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A fix for a long standing issue in the alarmtimer code.
Posix-timers armed with a short interval with an ignored signal result
in an unpriviledged DoS. Due to the ignored signal the timer switches
into self rearm mode. This issue had been "fixed" before but a rework
of the alarmtimer code 5 years ago lost that workaround.
There is no real good solution for this issue, which is also worked
around in the core posix-timer code in the same way, but it certainly
moved way up on the ever growing todo list"
* tag 'timers-urgent-2023-02-19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
alarmtimer: Prevent starvation by small intervals and SIG_IGN
Diffstat (limited to 'kernel/kprobes.c')
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