SIGSEGV in pkgPolicy::GetPriority()

Bug #1747180 reported by Alberto on 2018-02-03
This bug affects 1 person
Affects Status Importance Assigned to Milestone
apt (Ubuntu)

Bug Description

Continuous Crashes, especialle when you see video, generate Core Dumps
You can solve restarting

Ubuntu 16.04
Kernel 4.4.0-122-generic
apt 1.2.24

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: apt 1.2.24
ProcVersionSignature: Ubuntu 4.4.0-112.135-generic 4.4.98
Uname: Linux 4.4.0-112-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
CrashCounter: 1
Date: Sat Feb 3 11:43:46 2018
ExecutablePath: /usr/bin/apt-get
InstallationDate: Installed on 2016-10-22 (468 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
ProcCmdline: apt-get install vidcutter
 Segfault happened at: 0x7f4963a9a5ef <_ZN9pkgPolicy11GetPriorityERKN8pkgCache11VerIteratorEb+143>: testb $0x1,0x28(%rdx)
 PC (0x7f4963a9a5ef) ok
 source "$0x1" ok
 destination "0x28(%rdx)" (0x7f4962f85858) in non-writable VMA region: 0x7f4962f82000-0x7f4963182000 ---p /lib/x86_64-linux-gnu/
SegvReason: writing VMA /lib/x86_64-linux-gnu/
Signal: 11
SourcePackage: apt
 pkgPolicy::GetPriority(pkgCache::VerIterator const&, bool) () from /usr/lib/x86_64-linux-gnu/
 ?? () from /usr/lib/x86_64-linux-gnu/
 pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const&) () from /usr/lib/x86_64-linux-gnu/
 pkgDepCache::Init(OpProgress*) () from /usr/lib/x86_64-linux-gnu/
 pkgCacheFile::BuildDepCache(OpProgress*) () from /usr/lib/x86_64-linux-gnu/
Title: apt-get crashed with SIGSEGV in pkgPolicy::GetPriority()
UpgradeStatus: No upgrade log present (probably fresh install)

Alberto (albertoramon) wrote :

 pkgPolicy::GetPriority (this=0x562a931ea5d0, Ver=..., ConsiderFiles=<optimized out>) at /build/apt-ke47OC/apt-1.2.24/apt-pkg/
 pkgPolicy::GetCandidateVerNew (this=this@entry=0x562a931ea5d0, Pkg=...) at /build/apt-ke47OC/apt-1.2.24/apt-pkg/
 pkgPolicy::GetCandidateVer (this=0x562a931ea5d0, Pkg=...) at /build/apt-ke47OC/apt-1.2.24/apt-pkg/
 pkgDepCache::Init (this=this@entry=0x562a931ee2f0, Prog=Prog@entry=0x7ffdbc95b530) at /build/apt-ke47OC/apt-1.2.24/apt-pkg/
 pkgCacheFile::BuildDepCache (this=this@entry=0x7ffdbc95b2f0, Progress=Progress@entry=0x7ffdbc95b530) at /build/apt-ke47OC/apt-1.2.24/apt-pkg/

Changed in apt (Ubuntu):
importance: Undecided → Medium
tags: removed: need-amd64-retrace
summary: - Aleatory Crasesh, fell that is when you are view a video
+ SIGSEGV in pkgPolicy::GetPriority()
Julian Andres Klode (juliank) wrote :

Thanks for your bug report. I made it public as it does not contain any sensitive information. I'm not entirely sure why this is happening, but I might dig into it a bit later.

information type: Private → Public
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