apt_check.py crashed with SIGSEGV in pkgCache::ReMap()

Bug #1056355 reported by Mathieu Marquer on 2012-09-25
This bug affects 3 people
Affects Status Importance Assigned to Milestone
update-notifier (Ubuntu)

Bug Description

While updating packages

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: update-notifier-common 0.122
ProcVersionSignature: Ubuntu 3.5.0-15.22-generic 3.5.4
Uname: Linux 3.5.0-15-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.5.2-0ubuntu4
Architecture: amd64
Date: Tue Sep 25 19:33:28 2012
ExecutablePath: /usr/lib/update-notifier/apt_check.py
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120905.2)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/lib/update-notifier/apt-check
 PATH=(custom, no user)
 Segfault happened at: 0x7f857d4f2794 <_ZN8pkgCache5ReMapERKb+116>: cmp %rcx,(%rdi)
 PC (0x7f857d4f2794) ok
 source "%rcx" ok
 destination "(%rdi)" (0xffffffffffffffff) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: update-notifier
 pkgCache::ReMap(bool const&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
 pkgCache::pkgCache(MMap*, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
 ?? () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
 pkgCacheGenerator::MakeStatusCache(pkgSourceList&, OpProgress*, MMap**, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
 pkgCacheFile::BuildCaches(OpProgress*, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
Title: apt_check.py crashed with SIGSEGV in pkgCache::ReMap()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

Mathieu Marquer (slasher-fun) wrote :

 pkgCache::ReMap (this=this@entry=0x7fff9ae9a900, Errorchecks=Errorchecks@entry=@0x7fff9ae9a7ee: true) at pkgcache.cc:152
 pkgCache::pkgCache (this=0x7fff9ae9a900, Map=<optimized out>, DoMap=<optimized out>) at pkgcache.cc:122
 CheckValidity (CacheFile=..., List=..., Start=..., End=..., OutMap=OutMap@entry=0x0) at pkgcachegen.cc:1061
 pkgCacheGenerator::MakeStatusCache (List=..., Progress=0x7fff9ae9ae40, OutMap=0x29fd000, AllowMem=<optimized out>) at pkgcachegen.cc:1337
 pkgCacheFile::BuildCaches (this=this@entry=0x29fcff0, Progress=Progress@entry=0x7fff9ae9ae40, WithLock=false) at cachefile.cc:83

Changed in update-notifier (Ubuntu):
importance: Undecided → Medium
tags: removed: need-amd64-retrace
visibility: private → public
Launchpad Janitor (janitor) wrote :

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

Changed in update-notifier (Ubuntu):
status: New → Confirmed
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