[Bug 1074621] [NEW] Upgrade from 0.8.16~exp12ubuntu10.3 to 0.8.16~exp12ubuntu10.5 leads to segfault at 6c8b48f8 in libapt-pkg.so.4.12.0

Philipp Kern phil+launchpad at philkern.de
Sat Nov 3 11:56:00 UTC 2012 

Public bug reported:

Description:	Ubuntu 12.04.1 LTS
Release:	12.04
On:             amd64

>From the kernel log:

[6846551.444387] apt-config[8190]: segfault at 6c8b48f8 ip 00007fe84340ef84 sp 00007fff76182160 error 6 in libapt-pkg.so.4.12.0[7fe8433d6000+121000]
[6846551.445957] apt-config[8191]: segfault at 6c8b48f8 ip 00007fc124b41f84 sp 00007fffa27470a0 error 6 in libapt-pkg.so.4.12.0[7fc124b09000+121000]
[6846551.512757] apt-get[8196]: segfault at 6c8b48f8 ip 00007f754558bf84 sp 00007fff27275a50 error 6 in libapt-pkg.so.4.12.0[7f7545553000+121000]
[6846580.877901] package-data-do[8538]: segfault at 7fe440e96010 ip 00007fe3d348cf84 sp 00007fff9e8ac0f0 error 6 in libapt-pkg.so.4.12.0[7fe3d3454000+121000]
[6869450.441332] apt-config[27050]: segfault at 6c8b48f8 ip 00007eff7923bf84 sp 00007ffff97a1a30 error 6 in libapt-pkg.so.4.12.0[7eff79203000+121000]
[6869450.443617] apt-config[27051]: segfault at 6c8b48f8 ip 00007f5048b95f84 sp 00007fff8a6e9a70 error 6 in libapt-pkg.so.4.12.0[7f5048b5d000+121000]
[6869450.497879] apt-config[27095]: segfault at 6c8b48f8 ip 00007f9543001f84 sp 00007fffd7d0b2c0 error 6 in libapt-pkg.so.4.12.0[7f9542fc9000+121000]
[6869450.500143] apt-config[27096]: segfault at 6c8b48f8 ip 00007fabaa460f84 sp 00007fff82255ac0 error 6 in libapt-pkg.so.4.12.0[7fabaa428000+121000]
[6869456.275296] apt-get[27222]: segfault at 6c8b48f8 ip 00007fa75199ef84 sp 00007fffe2239f40 error 6 in libapt-pkg.so.4.12.0[7fa751966000+121000]

Tail of strace apt-get update:

mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1efdf71000
mprotect(0x7f1efda1a000, 32768, PROT_READ) = 0
mprotect(0x7f1efdd5a000, 16384, PROT_READ) = 0
mprotect(0x62d000, 4096, PROT_READ)     = 0
mprotect(0x7f1efdf82000, 4096, PROT_READ) = 0
munmap(0x7f1efdf78000, 32702)           = 0
brk(0)                                  = 0x1cf7000
brk(0x1d18000)                          = 0x1d18000
open("/dev/null", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=4447600, ...}) = 0
mmap(NULL, 4447600, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7f1efc40c000
close(4)                                = 0
stat("/var/lib/apt/.", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
Segmentation fault

Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                                            Version                                         Description
+++-===============================================-===============================================-==============================================================================================================
ii  apt                                             0.8.16~exp12ubuntu10.5                          commandline package manager

dpkg.log of the recent upgrade from .3 to .5 attached. (I.e. there was
also other stuff upgraded at the same time.)

** Affects: apt (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: precise

** Attachment added: "dpkg.log upgrade log"
   https://bugs.launchpad.net/bugs/1074621/+attachment/3422463/+files/dpkg.log

** Description changed:

  Description:	Ubuntu 12.04.1 LTS
  Release:	12.04
+ On:             amd64
  
  From the kernel log:
  
  [6846551.444387] apt-config[8190]: segfault at 6c8b48f8 ip 00007fe84340ef84 sp 00007fff76182160 error 6 in libapt-pkg.so.4.12.0[7fe8433d6000+121000]
  [6846551.445957] apt-config[8191]: segfault at 6c8b48f8 ip 00007fc124b41f84 sp 00007fffa27470a0 error 6 in libapt-pkg.so.4.12.0[7fc124b09000+121000]
  [6846551.512757] apt-get[8196]: segfault at 6c8b48f8 ip 00007f754558bf84 sp 00007fff27275a50 error 6 in libapt-pkg.so.4.12.0[7f7545553000+121000]
  [6846580.877901] package-data-do[8538]: segfault at 7fe440e96010 ip 00007fe3d348cf84 sp 00007fff9e8ac0f0 error 6 in libapt-pkg.so.4.12.0[7fe3d3454000+121000]
  [6869450.441332] apt-config[27050]: segfault at 6c8b48f8 ip 00007eff7923bf84 sp 00007ffff97a1a30 error 6 in libapt-pkg.so.4.12.0[7eff79203000+121000]
  [6869450.443617] apt-config[27051]: segfault at 6c8b48f8 ip 00007f5048b95f84 sp 00007fff8a6e9a70 error 6 in libapt-pkg.so.4.12.0[7f5048b5d000+121000]
  [6869450.497879] apt-config[27095]: segfault at 6c8b48f8 ip 00007f9543001f84 sp 00007fffd7d0b2c0 error 6 in libapt-pkg.so.4.12.0[7f9542fc9000+121000]
  [6869450.500143] apt-config[27096]: segfault at 6c8b48f8 ip 00007fabaa460f84 sp 00007fff82255ac0 error 6 in libapt-pkg.so.4.12.0[7fabaa428000+121000]
  [6869456.275296] apt-get[27222]: segfault at 6c8b48f8 ip 00007fa75199ef84 sp 00007fffe2239f40 error 6 in libapt-pkg.so.4.12.0[7fa751966000+121000]
  
  Tail of strace apt-get update:
  
  mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1efdf71000
  mprotect(0x7f1efda1a000, 32768, PROT_READ) = 0
  mprotect(0x7f1efdd5a000, 16384, PROT_READ) = 0
  mprotect(0x62d000, 4096, PROT_READ)     = 0
  mprotect(0x7f1efdf82000, 4096, PROT_READ) = 0
  munmap(0x7f1efdf78000, 32702)           = 0
  brk(0)                                  = 0x1cf7000
  brk(0x1d18000)                          = 0x1d18000
  open("/dev/null", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
  open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 4
  fstat(4, {st_mode=S_IFREG|0644, st_size=4447600, ...}) = 0
  mmap(NULL, 4447600, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7f1efc40c000
  close(4)                                = 0
  stat("/var/lib/apt/.", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
  --- SIGSEGV (Segmentation fault) @ 0 (0) ---
  +++ killed by SIGSEGV +++
  Segmentation fault
  
  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name                                            Version                                         Description
  +++-===============================================-===============================================-==============================================================================================================
  ii  apt                                             0.8.16~exp12ubuntu10.5                          commandline package manager
  
  dpkg.log of the recent upgrade from .3 to .5 attached. (I.e. there was
  also other stuff upgraded at the same time.)

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https://bugs.launchpad.net/bugs/1074621

Title:
  Upgrade from 0.8.16~exp12ubuntu10.3 to 0.8.16~exp12ubuntu10.5 leads to
  segfault at 6c8b48f8 in libapt-pkg.so.4.12.0

Status in “apt” package in Ubuntu:
  New

Bug description:
  Description:	Ubuntu 12.04.1 LTS
  Release:	12.04
  On:             amd64

  From the kernel log:

  [6846551.444387] apt-config[8190]: segfault at 6c8b48f8 ip 00007fe84340ef84 sp 00007fff76182160 error 6 in libapt-pkg.so.4.12.0[7fe8433d6000+121000]
  [6846551.445957] apt-config[8191]: segfault at 6c8b48f8 ip 00007fc124b41f84 sp 00007fffa27470a0 error 6 in libapt-pkg.so.4.12.0[7fc124b09000+121000]
  [6846551.512757] apt-get[8196]: segfault at 6c8b48f8 ip 00007f754558bf84 sp 00007fff27275a50 error 6 in libapt-pkg.so.4.12.0[7f7545553000+121000]
  [6846580.877901] package-data-do[8538]: segfault at 7fe440e96010 ip 00007fe3d348cf84 sp 00007fff9e8ac0f0 error 6 in libapt-pkg.so.4.12.0[7fe3d3454000+121000]
  [6869450.441332] apt-config[27050]: segfault at 6c8b48f8 ip 00007eff7923bf84 sp 00007ffff97a1a30 error 6 in libapt-pkg.so.4.12.0[7eff79203000+121000]
  [6869450.443617] apt-config[27051]: segfault at 6c8b48f8 ip 00007f5048b95f84 sp 00007fff8a6e9a70 error 6 in libapt-pkg.so.4.12.0[7f5048b5d000+121000]
  [6869450.497879] apt-config[27095]: segfault at 6c8b48f8 ip 00007f9543001f84 sp 00007fffd7d0b2c0 error 6 in libapt-pkg.so.4.12.0[7f9542fc9000+121000]
  [6869450.500143] apt-config[27096]: segfault at 6c8b48f8 ip 00007fabaa460f84 sp 00007fff82255ac0 error 6 in libapt-pkg.so.4.12.0[7fabaa428000+121000]
  [6869456.275296] apt-get[27222]: segfault at 6c8b48f8 ip 00007fa75199ef84 sp 00007fffe2239f40 error 6 in libapt-pkg.so.4.12.0[7fa751966000+121000]

  Tail of strace apt-get update:

  mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1efdf71000
  mprotect(0x7f1efda1a000, 32768, PROT_READ) = 0
  mprotect(0x7f1efdd5a000, 16384, PROT_READ) = 0
  mprotect(0x62d000, 4096, PROT_READ)     = 0
  mprotect(0x7f1efdf82000, 4096, PROT_READ) = 0
  munmap(0x7f1efdf78000, 32702)           = 0
  brk(0)                                  = 0x1cf7000
  brk(0x1d18000)                          = 0x1d18000
  open("/dev/null", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
  open("/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = 4
  fstat(4, {st_mode=S_IFREG|0644, st_size=4447600, ...}) = 0
  mmap(NULL, 4447600, PROT_READ, MAP_PRIVATE, 4, 0) = 0x7f1efc40c000
  close(4)                                = 0
  stat("/var/lib/apt/.", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
  --- SIGSEGV (Segmentation fault) @ 0 (0) ---
  +++ killed by SIGSEGV +++
  Segmentation fault

  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name                                            Version                                         Description
  +++-===============================================-===============================================-==============================================================================================================
  ii  apt                                             0.8.16~exp12ubuntu10.5                          commandline package manager

  dpkg.log of the recent upgrade from .3 to .5 attached. (I.e. there was
  also other stuff upgraded at the same time.)

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