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Groups > linux.kernel > #1599168
| From | Sebastian Andrzej Siewior <bigeasy@linutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: futex: use-after-free in futex_wait_requeue_pi |
| Date | 2017-03-13 11:10 +0100 |
| Message-ID | <tkv5o-7pV-11@gated-at.bofh.it> (permalink) |
| References | <tjxiW-7Ku-29@gated-at.bofh.it> <tktdg-61U-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 2017-03-13 09:06:20 [+0100], Peter Zijlstra wrote: > On Fri, Mar 10, 2017 at 07:10:30PM +0100, Dmitry Vyukov wrote: > > The following program triggers use-after-free in futex_wait_requeue_pi: > > https://gist.githubusercontent.com/dvyukov/42e596153263793b75ad587c8d0626b0/raw/35461a6c1b0a4163a67191ff5d35202f35ecbf44/gistfile1.txt > There's a known use-after-free there, see: > I've not woken up enough; or actually looked at your report to see if > its the same. It seems so, yes. The test-case triggered on the commit mentioned in less than a minute and after the patch applied it runs now for 16 without complains. A stable tag would be nice then :) Sebastian
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futex: use-after-free in futex_wait_requeue_pi Dmitry Vyukov <dvyukov@google.com> - 2017-03-10 19:20 +0100
Re: futex: use-after-free in futex_wait_requeue_pi Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2017-03-10 19:40 +0100
Re: futex: use-after-free in futex_wait_requeue_pi Dmitry Vyukov <dvyukov@google.com> - 2017-03-10 19:40 +0100
Re: futex: use-after-free in futex_wait_requeue_pi Peter Zijlstra <peterz@infradead.org> - 2017-03-13 09:10 +0100
Re: futex: use-after-free in futex_wait_requeue_pi Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2017-03-13 11:10 +0100
Re: futex: use-after-free in futex_wait_requeue_pi Dmitry Vyukov <dvyukov@google.com> - 2017-03-13 11:10 +0100
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