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Bug #58314 php segfault in 3.0.1 beta
Submitted: 2008-08-17 20:39 UTC Modified: 2008-12-25 08:50 UTC
From: fredk at vg dot no Assigned:
Status: No Feedback Package: memcache (PECL)
PHP Version: 5.1.6 OS: CentOS
Private report: No CVE-ID: None
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 [2008-08-17 20:39 UTC] fredk at vg dot no
After running stable on 2.2.1 we upgraded our client to 3.0.1 beta. This upgrade crashes Apache at a random time within 24 hours and gives us this error message:

php[30199]: segfault at 00002aaaae4c3570 rip 00002aaaae2b4518 rsp 00007fff4ebd4010 error 4

double free or corruption (!prev): 0x000
0555566c14990 ***
corrupted double-linked list: 0x00005555
66aa0210 ***

Reproduce code:
We have not been able to recreate this bug as it appears to us at random time and because it was visible to us after upgrade of memcache, not our codebase.


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 [2008-08-18 03:34 UTC] tony at daylessday dot org
Please recompile PHP and memcache with --enable-debug and provide a GDB backtrace.
See for more details.
 [2008-12-25 08:50 UTC] mikael at synd dot info
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.

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