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Bug#824191: libc6: libpthread SEGFAULT on Xeon CPU E3-1230 v5



control: reassign -1 opennebula
control: retitle -1: opennebula: oned unlocks an already unlocked mutex

On 2016-05-13 16:35, Benjamin Taubmann wrote:
> Package: libc6:amd64
> Version: 2.19-18+deb8
> Severity: important
> 
> The OpenNebula daemon (oned) segfaults reproducible at start-up.
> 
> /var/log/syslog :
> ...
> kernel: traps: oned[7383] general protection ip:7fa9ab07d2c8
> sp:7ffd988753a8 error:0 in libpthread-2.19.so[7fa9ab06c000+18000]
> ...
> 
> GDB backtrace
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7ffff7fd9740 (LWP 9344)]
> __lll_unlock_elision (lock=0x8d1f08, private=0) at
> ../nptl/sysdeps/unix/sysv/linux/x86/elision-unlock.c:29
> 29	../nptl/sysdeps/unix/sysv/linux/x86/elision-unlock.c: No such file or

This corresponds to the xend instruction in this code. This means that
the code tries to unlock an already unlocked mutex, something which is
not allowed.

The bug is therefore in the opennebula daemon, I am therefore
reassigning the bug there.

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                 http://www.aurel32.net


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