Ubuntu
git package

git crashed with SIGSEGV while rebasing

Bug #1849723 reported by Muelli on 2019-10-24

10

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	git (Ubuntu)	New	Medium	Unassigned

Bug Description

I was in an intense rebase session

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: git 1:2.17.1-1ubuntu0.4
ProcVersionSignature: Ubuntu 4.15.0-38.41-generic 4.15.18
Uname: Linux 4.15.0-38-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 24 21:16:56 2019
ExecutablePath: /usr/lib/git-core/git
InstallationDate: Installed on 2017-10-13 (741 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Beta amd64 (20171012)
ProcCmdline: git rerere clear
SegvAnalysis:
Segfault happened at: 0x5629a94546f8: movzbl (%rdx,%rax,1),%eax
PC (0x5629a94546f8) ok
source "(%rdx,%rax,1)" (0x00000000) not located in a known VMA region (needed readable region)!
destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: git
StacktraceTop:
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Title: git crashed with SIGSEGV
UpgradeStatus: Upgraded to bionic on 2018-06-25 (486 days ago)
UserGroups: adm cdrom dialout dip kvm libvirt lpadmin plugdev sambashare sudo

Tags:

Revision history for this message

Muelli (ubuntu-bugs-auftrags-killer) wrote on 2019-10-24:

#1

Dependencies.txt Edit (2.7 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (631 bytes, text/plain; charset="utf-8")
JournalErrors.txt Edit (120.5 KiB, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (1.2 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (329 bytes, text/plain; charset="utf-8")
ProcMaps.txt Edit (3.5 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (1.3 KiB, text/plain; charset="utf-8")
Registers.txt Edit (743 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (1.0 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (1.1 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2019-10-24:

#2

StacktraceTop:
rerere_clear (merge_rr=merge_rr@entry=0x7ffd253d5f90) at rerere.c:1244
cmd_rerere (argc=1, argv=0x7ffd253d6420, prefix=0x0) at builtin/rerere.c:85
run_builtin (argv=<optimized out>, argc=<optimized out>, p=<optimized out>) at git.c:346
handle_builtin (argc=<optimized out>, argv=<optimized out>) at git.c:554
run_argv (argv=0x7ffd253d61c0, argcp=0x7ffd253d61cc) at git.c:606

Revision history for this message

Apport retracing service (apport) wrote on 2019-10-24: Stacktrace.txt

#3

Stacktrace.txt Edit (2.3 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2019-10-24: StacktraceSource.txt

#4

StacktraceSource.txt Edit (2.7 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2019-10-24: ThreadStacktrace.txt

#5

ThreadStacktrace.txt Edit (2.3 KiB, text/plain)

Changed in git (Ubuntu):
importance:	Undecided → Medium
tags:	removed: need-amd64-retrace

Steve Beattie (sbeattie) on 2019-12-11

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