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[dino99 <504994@xxxxxxxxxxxxxxxxxx>]

Lucid is now closed

** Changed in: lvm2 (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/504994

Title:
  lvm crashed with SIGSEGV in strncpy()

Status in lvm2 package in Ubuntu:
  Invalid

Bug description:
  Binary package hint: lvm2

  Description:	Ubuntu lucid (development branch)
  Release:	10.04

  apt-cache policy lvm2

    Installed: 2.02.39-0ubuntu11
    Candidate: 2.02.39-0ubuntu11
    Version table:
   *** 2.02.39-0ubuntu11 0
          500 http://archive.ubuntu.com lucid/main Packages
          500 cdrom://Ubuntu 10.04 _Lucid Lynx_ - Alpha i386 (20091209.1) lucid/main Packages
          100 /var/lib/dpkg/status

  calling lvm causes seg fault ( reinstalling any of the involved pkg's does not fix the crash)
  dmesg | grep -i lvm
  [   11.474448] lvm[944]: segfault at a08b000 ip 00831b40 sp bfb8ec3c error 6 in libc-2.11.1.so[7be000+141000]
  [   11.477554] lvm[946]: segfault at 9453000 ip 00183b40 sp bfa1082c error 6 in libc-2.11.1.so[110000+141000]
  [   11.716490] lvm[1009]: segfault at a014000 ip 00183b40 sp bfb4fa6c error 6 in libc-2.11.1.so[110000+141000]
  [   11.728696] lvm[1013]: segfault at 8e01000 ip 00865b40 sp bf99846c error 6 in libc-2.11.1.so[7f2000+141000]
  [   62.559173] lvm[2108]: segfault at 8a8f000 ip 00412b40 sp bf96beec error 6 in libc-2.11.1.so[39f000+141000]
  [  641.685157] lvm[2445]: segfault at 92cd000 ip 001dab40 sp bfc84a1c error 6 in libc-2.11.1.so[167000+141000]

  on another laptop the volume can be read under lvm (karmic) without problems
  It should be due to most recent changes as lvm was working well

  cat /etc/fstab
  # /etc/fstab: static file system information.

  
  #
  # Use 'blkid -o value -s UUID' to print the universally unique identifier
  # for a device; this may be used with UUID= as a more robust way to name
  # devices that works even if disks are added and removed. See fstab(5).
  #
  # <file system> <mount point>   <type>  <options>       <dump>  <pass>
  proc            /proc           proc    defaults        0       0
  /dev/mapper/ubu32cf-root /               ext4    noatime,errors=remount-ro 0       1
  # /boot was on /dev/sdc5 during installation
  UUID=08a740a6-aa28-42ce-9450-7b92a71bd916 /boot           ext2    defaults        0       2
  # swap was on /dev/sda7 during installation
  UUID=63150469-b5e6-4731-a8e5-456ea5e7136e none            swap    sw              0       0
  # mount tmpfs as tmpfs to make changes to sys
  #tmpfs           /tmpfs          tmpfs   defaults,noatime,mode=1777 0 0

  ProblemType: Crash
  Architecture: i386
  CrashCounter: 1
  Date: Sat Jan  9 00:14:23 2010
  DistroRelease: Ubuntu 10.04
  ExecutablePath: /sbin/lvm
  Package: lvm2 2.02.39-0ubuntu11
  ProcAttrCurrent: unconfined (enforce)
  ProcCmdline: lvm
  ProcEnviron:
   PATH=(custom, no user)
   LANG=C
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-10.14-generic
  SegvAnalysis:
   Segfault happened at: 0x1dab40 <strncpy+176>:	movb   $0x0,0x1(%eax,%edx,1)
   PC (0x001dab40) ok
   source "$0x0" ok
   destination "0x1(%eax,%edx,1)" (0x092cd000) not located in a known VMA region (needed writable region)!
  SegvReason: writing unknown VMA
  Signal: 11
  SourcePackage: lvm2
  StacktraceTop:
   strncpy () from /lib/tls/i686/cmov/libc.so.6
   ?? ()
   ?? ()
   ?? ()
   ?? ()
  Tags: lucid
  Title: lvm crashed with SIGSEGV in strncpy()
  Uname: Linux 2.6.32-10-generic i686
  UserGroups:

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