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Date: Sat, 28 Jan 2017 13:45:25 -0600
From: Samuel Holland <samuel@...lland.org>
To: musl@...ts.openwall.com
Subject: Re: getrlimit failed (chromium on musl)
Hello,
On 01/28/17 00:00, He X wrote:
> After patched, chromium segfault three times in two days, e.g. when
> i try to upload a file in a baiduyun, crash when i click the upload
> button, and suddenly crashed twice, when --disable-sandbox, no
> crashing: [65422.256448] chromium[12257]: segfault at 3c1 ip
> 00007f69e30e075c sp 00007ffe5442efc0 error 4 in
> libc.so[7f69e30b9000+a1000]
I have had zero crashes with chromium and this patch (over more than a
month of use).
> strace output(should be this one):
> 13:52:37.479810 prlimit64(0, RLIMIT_NOFILE, {rlim_cur=4*1024,
> rlim_max=4*1024}, NULL) = 0
> 13:52:37.479835 futex(0x7f98cbc02b6c, FUTEX_WAKE_PRIVATE, 1) = 1
> 13:52:37.479862 futex(0x7f98cbc02b4c, FUTEX_WAIT_PRIVATE, 4294967295,
> NULL) = 0
> 13:52:37.479961 rt_sigreturn({mask=[]}) = 61
> 13:52:37.479982 wait4(29341, NULL, 0, NULL) = ? ERESTARTSYS (To be
> restarted if SA_RESTART is set)
> 13:52:37.851264 wait4(29341, NULL, 0, NULL) = ? ERESTARTSYS (To be
> restarted if SA_RESTART is set)
> 13:52:42.127096 wait4(29341, NULL, 0, NULL) = ? ERESTARTSYS (To be
> restarted if SA_RESTART is set)
> 13:53:23.970709 wait4(29341, <unfinished ...>) = ?
> 13:53:30.693847 +++ killed by SIGSEGV +++
Given the 53 seconds between the prlimit64 call and the crash, I doubt
they are related.
Regards,
Samuel
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