Ubuntu
gparted package

gpartedbin crashed with SIGSEGV in __memcpy_avx_unaligned()

Bug #1602987 reported by Walter Garcia-Fontes on 2016-07-14

10

This bug affects 1 person

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

Bug Description

I clicked "Check" after unmounting a Fat32 volume which was not properly unmounted. Gparted tolde me "The volume is larger that its size" or something similar, and when I clicked "Ignore" it crashed.

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: gparted 0.25.0-1
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Thu Jul 14 10:38:44 2016
ExecutablePath: /usr/sbin/gpartedbin
InstallationDate: Installed on 2015-10-17 (270 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
ProcCmdline: /usr/sbin/gpartedbin
SegvAnalysis:
Segfault happened at: 0x7f9d3c918a13 <__memcpy_avx_unaligned+835>: vmovntdq %ymm3,0x60(%rdi)
PC (0x7f9d3c918a13) ok
source "%ymm3" ok
destination "0x60(%rdi)" (0x7f9d2808d000) in non-writable VMA region: 0x7f9d2808d000-0x7f9d2c000000 ---p None
SegvReason: writing VMA None
Signal: 11
SourcePackage: gparted
StacktraceTop:
__memcpy_avx_unaligned () at ../sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S:273
?? () from /lib/x86_64-linux-gnu/libparted.so.2
ped_geometry_read () from /lib/x86_64-linux-gnu/libparted.so.2
?? () from /lib/x86_64-linux-gnu/libparted-fs-resize.so.0
?? () from /lib/x86_64-linux-gnu/libparted-fs-resize.so.0
Title: gpartedbin crashed with SIGSEGV in __memcpy_avx_unaligned()
UpgradeStatus: Upgraded to xenial on 2016-03-11 (124 days ago)
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Revision history for this message

Walter Garcia-Fontes (walter-garcia) wrote on 2016-07-14:

#1

Dependencies.txt Edit (4.0 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (1.1 KiB, text/plain; charset="utf-8")
JournalErrors.txt Edit (16.8 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (287 bytes, text/plain; charset="utf-8")
ProcMaps.txt Edit (64.2 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (913 bytes, text/plain; charset="utf-8")
Registers.txt Edit (780 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (6.1 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (7.4 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2016-07-14:

#2

StacktraceTop:
__memcpy_avx_unaligned () at ../sysdeps/x86_64/multiarch/memcpy-avx-unaligned.S:273
memcpy (__len=8060928, __src=0x7f9d27476400, __dest=0x7f9d27c27010) at /usr/include/x86_64-linux-gnu/bits/string3.h:53
linux_read (dev=0x2217650, buffer=0x7f9d27c27010, start=<optimized out>, count=<optimized out>) at ../../libparted/arch/linux.c:1838
ped_geometry_read (geom=<optimized out>, buffer=<optimized out>, offset=<optimized out>, count=<optimized out>) at ../../libparted/cs/geom.c:297
fat_table_read (ft=0x221cf80, fs=fs@entry=0x221ec90, table_num=table_num@entry=0) at ../../../libparted/fs/r/fat/table.c:126

Revision history for this message

Apport retracing service (apport) wrote on 2016-07-14: Stacktrace.txt

#3

Stacktrace.txt Edit (64.3 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2016-07-14: StacktraceSource.txt

#4

StacktraceSource.txt Edit (11.1 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2016-07-14: ThreadStacktrace.txt

#5

ThreadStacktrace.txt Edit (65.8 KiB, text/plain)

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

Walter Garcia-Fontes (walter-garcia) on 2016-07-14

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