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* [Bug malloc/16112] New: malloc_info reads uninitialized memory
@ 2013-11-01 14:31 neleai at seznam dot cz
2013-11-01 14:39 ` [Bug malloc/16112] " cvs-commit at gcc dot gnu.org
2014-06-13 9:34 ` fweimer at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: neleai at seznam dot cz @ 2013-11-01 14:31 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=16112
Bug ID: 16112
Summary: malloc_info reads uninitialized memory
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: malloc
Assignee: unassigned at sourceware dot org
Reporter: neleai at seznam dot cz
malloc_info could produce following entry:
<size from="32785" to="32785" total="32785" count="1"/>
<size from="2512305" to="2512305" total="2512305" count="1"/>
<unsorted from="8993" to="8386112020140800621"
total="8316306148830692230" count="7526394837682317685"/>
</sizes>
A problem here is that we increment sizes[NFASTBINS].count but do not
initialize it to zero. Patch follows.
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* [Bug malloc/16112] malloc_info reads uninitialized memory
2013-11-01 14:31 [Bug malloc/16112] New: malloc_info reads uninitialized memory neleai at seznam dot cz
@ 2013-11-01 14:39 ` cvs-commit at gcc dot gnu.org
2014-06-13 9:34 ` fweimer at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2013-11-01 14:39 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=16112
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
via 8b35e35d0f4eae28a47c23e2aa15ddf570fa86ef (commit)
from 8f5de63892b491856400a394632b46c3b1be642d (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8b35e35d0f4eae28a47c23e2aa15ddf570fa86ef
commit 8b35e35d0f4eae28a47c23e2aa15ddf570fa86ef
Author: Ondřej Bílka <neleai@seznam.cz>
Date: Fri Nov 1 15:39:26 2013 +0100
Fix malloc_info statistic. Fixes bug 16112
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 6 ++++++
NEWS | 2 +-
malloc/malloc.c | 20 ++++----------------
3 files changed, 11 insertions(+), 17 deletions(-)
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From: "neleai at seznam dot cz" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug malloc/16112] malloc_info reads uninitialized memory
Date: Fri, 01 Nov 2013 14:40:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id\x16112
Ondrej Bilka <neleai at seznam dot cz> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #2 from Ondrej Bilka <neleai at seznam dot cz> ---
Fixed.
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* [Bug malloc/16112] malloc_info reads uninitialized memory
2013-11-01 14:31 [Bug malloc/16112] New: malloc_info reads uninitialized memory neleai at seznam dot cz
2013-11-01 14:39 ` [Bug malloc/16112] " cvs-commit at gcc dot gnu.org
@ 2014-06-13 9:34 ` fweimer at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: fweimer at redhat dot com @ 2014-06-13 9:34 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=16112
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Flags| |security-
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end of thread, other threads:[~2014-06-13 9:34 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2013-11-01 14:31 [Bug malloc/16112] New: malloc_info reads uninitialized memory neleai at seznam dot cz
2013-11-01 14:39 ` [Bug malloc/16112] " cvs-commit at gcc dot gnu.org
2014-06-13 9:34 ` fweimer at redhat dot com
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