Incomplete. Unfortunately crashing inside malloc means the process heap
had already become corrupt some time before the crash happened. So we
are unable to debug the origin of the heap corruption here without exact
detailed steps to reproduce the problem.
** Changed in: pulseaudio (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1292560
Title:
unity-settings-daemon crashed with SIGSEGV in malloc_consolidate()
Status in pulseaudio package in Ubuntu:
Incomplete
Bug description:
I booted the system and got this error.
ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity-settings-daemon 14.04.0+14.04.20140310-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
Uname: Linux 3.13.0-17-generic x86_64
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Mar 14 11:03:04 2014
ExecutablePath: /usr/lib/unity-settings-daemon/unity-settings-daemon
ProcCmdline: /usr/lib/unity-settings-daemon/unity-settings-daemon
ProcEnviron:
PATH=(custom, user)
LANGUAGE=en_US
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0x7f0b5c9ae583 <malloc_consolidate+307>: cmp
0x18(%rax),%rbx
PC (0x7f0b5c9ae583) ok
source "0x18(%rax)" (0x7f0b5ccee7e80018) not located in a known VMA region
(needed readable region)!
destination "%rbx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: unity-settings-daemon
StacktraceTop:
malloc_consolidate (av=av@entry=0x7f0b5ccee760 <main_arena>) at malloc.c:4157
_int_malloc (av=av@entry=0x7f0b5ccee760 <main_arena>,
bytes=bytes@entry=1056) at malloc.c:3423
__libc_calloc (n=<optimized out>, elem_size=<optimized out>) at malloc.c:3219
pa_xmalloc0 () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
pa_hashmap_new () from
/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
Title: unity-settings-daemon crashed with SIGSEGV in malloc_consolidate()
UpgradeStatus: Upgraded to trusty on 2013-12-06 (97 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
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