mumble crashed with SIGSEGV in vfprintf()

[Steve Magoun]

Launched Mumble from the command line. It immediately segfaulted. Launching it again resulted in Mumble functioning:

steve@steve-laptop:~$ mumble
Segmentation fault (core dumped)
steve@steve-laptop:~$
steve@steve-laptop:~$
steve@steve-laptop:~$ mumble
G15LCDEngineUnix: Unable to connect to G15Daemon.
CELT bitstream 8000000b from libcelt0.so.0.0.0
Locale is en_US
Database SQLite: "3.7.7"
[...]

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: mumble 1.2.3-2ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
Date: Mon Sep 26 10:31:09 2011
ExecutablePath: /usr/bin/mumble
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Beta amd64 (20100901.1)
ProcCmdline: mumble
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f22491791a4 <vfprintf+7348>: repnz scas %es:(%rdi),%al
 PC (0x7f22491791a4) ok
 source "%es:(%rdi)" (0x300030005f0030) not located in a known VMA region (needed readable region)!
 destination "%al" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: mumble
StacktraceTop:
 vfprintf () from /lib/x86_64-linux-gnu/libc.so.6
 __vsprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
 __sprintf_chk () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/libasound.so.2
 snd_device_name_hint () from /usr/lib/x86_64-linux-gnu/libasound.so.2
Title: mumble crashed with SIGSEGV in vfprintf()
UpgradeStatus: Upgraded to oneiric on 2011-09-02 (23 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 _IO_vfprintf_internal (s=<optimized out>, format=<optimized out>, ap=<optimized out>) at vfprintf.c:1620
 ___vsprintf_chk (s=0x7f2234061460 "pcm.", flags=1, slen=128, format=0x7f224bf28130 "%s.%s", args=0x7fff5e0d70e8) at vsprintf_chk.c:86
 ___sprintf_chk (s=<optimized out>, flags=<optimized out>, slen=<optimized out>, format=<optimized out>) at sprintf_chk.c:33
 sprintf (__fmt=0x7f224bf28130 "%s.%s", __s=0x7f2234061460 "pcm.") at /usr/include/x86_64-linux-gnu/bits/stdio2.h:34
 try_config (list=0x7fff5e0d7280, base=0x5e71d3 "pcm", name=0x300030005f0030 <Address 0x300030005f0030 out of bounds>) at namehint.c:229

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.