** Changed in: harfbuzz
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1303516
Title:
ubiquity crashed with SIGSEGV in _int_malloc()
Status in HarfBuzz:
Invalid
Status in “graphite2” package in Ubuntu:
Invalid
Status in “harfbuzz” package in Ubuntu:
Triaged
Status in “graphite2” source package in Trusty:
Invalid
Status in “harfbuzz” source package in Trusty:
In Progress
Bug description:
[ Description ]
Memory corruption when rendering Myanmar text leeds to a crash
[ Test case ]
IMPORTANT NOTE: below will modify currently running locale/keyboard be
prepared to restore it, e.g. by enabling keyboard indicator to change
keyboard back to normal.
1. Install ubiquity on a desktop or boot from an ISO
$ sudo apt-get install ubiquity-frontend-gtk
2. If you run on a desktop start ubiquity with:
$ ubiquity --greeter
3. Scroll to the bottom of the language list, click on 5th or 4th from the
bottom
ACTUAL RESULT
python3 segmentation fault:
*** Error in `/usr/bin/python3': malloc(): memory corruption:
0x0000000003b33d80 ***
Segmentation fault (core dumped)
EXPECTED RESULT
No crash
[ QA ]
Check that the test case doesn't crash after applying the SRU
[ Original Report ]
I was testing a daily imagine of Ubuntu Gnome 14.04 (Live Image test),
and was just checking out the languages on the initial boot up. When i
was trying to click on the 4th language from the bottom ubiquitity
crashed to give me this error.
ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: ubiquity 2.17.10
ProcVersionSignature: Ubuntu 3.13.0-23.45-generic 3.13.8
Uname: Linux 3.13.0-23-generic x86_64
ApportVersion: 2.14.1-0ubuntu1
Architecture: amd64
CasperVersion: 1.339
Date: Mon Apr 7 00:06:38 2014
ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
InstallCmdLine: file=/cdrom/preseed/ubuntu-gnome.seed boot=casper
initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
InterpreterPath: /usr/bin/python3.4
LiveMediaBuild: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Daily amd64 (20140406)
ProcCmdline: /usr/bin/python3 /usr/lib/ubiquity/bin/ubiquity --greeter --only
ProcEnviron:
TERM=linux
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SegvAnalysis:
Segfault happened at: 0x7f3d8a71dd71 <_int_malloc+689>: mov
%r14,0x10(%r9)
PC (0x7f3d8a71dd71) ok
source "%r14" ok
destination "0x10(%r9)" (0x180000001210) not located in a known VMA region
(needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: ubiquity
StacktraceTop:
_int_malloc (av=0x7f3d8aa5c760 <main_arena>, bytes=1824) at malloc.c:3489
__GI___libc_malloc (bytes=1824) at malloc.c:2891
?? () from /usr/lib/x86_64-linux-gnu/libgraphite2.so.3
gr_make_font_with_ops () from /usr/lib/x86_64-linux-gnu/libgraphite2.so.3
gr_make_font_with_advance_fn () from
/usr/lib/x86_64-linux-gnu/libgraphite2.so.3
Title: ubiquity crashed with SIGSEGV in _int_malloc()
UpgradeStatus: No upgrade log present (probably fresh install)
UpstartUbiquity: debconf: DbDriver "templatedb":
/var/cache/debconf/templates.dat is locked by another process: Resource
temporarily unavailable
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