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* [Bug libc/13336] New: Add missing buffer termination in readlinkat() unit test
@ 2011-10-24 14:56 thomas.jarosch at intra2net dot com
2011-10-29 16:12 ` [Bug libc/13336] " drepper.fsp at gmail dot com
2014-06-27 11:49 ` fweimer at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: thomas.jarosch at intra2net dot com @ 2011-10-24 14:56 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13336
Bug #: 13336
Summary: Add missing buffer termination in readlinkat() unit
test
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: drepper.fsp@gmail.com
ReportedBy: thomas.jarosch@intra2net.com
Classification: Unclassified
Created attachment 6028
--> http://sourceware.org/bugzilla/attachment.cgi?id=6028
Patch to fix the issue
>From the patch:
Add missing buffer termination in readlinkat() unit test
readlinkat() never zero terminates the buffer.
Also make sure we don't overflow the buffer if readlinkat() returns
the full size of the buffer by reducing the supplied size.
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* [Bug libc/13336] Add missing buffer termination in readlinkat() unit test
2011-10-24 14:56 [Bug libc/13336] New: Add missing buffer termination in readlinkat() unit test thomas.jarosch at intra2net dot com
@ 2011-10-29 16:12 ` drepper.fsp at gmail dot com
2014-06-27 11:49 ` fweimer at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: drepper.fsp at gmail dot com @ 2011-10-29 16:12 UTC (permalink / raw)
To: glibc-bugs
http://sourceware.org/bugzilla/show_bug.cgi?id=13336
Ulrich Drepper <drepper.fsp at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |INVALID
--- Comment #1 from Ulrich Drepper <drepper.fsp at gmail dot com> 2011-10-29 16:11:47 UTC ---
Completely unnecessary and actually wrong. The length is tested first and then
strncmp is used. The test deliberately doesn't depend on NUL termination.
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* [Bug libc/13336] Add missing buffer termination in readlinkat() unit test
2011-10-24 14:56 [Bug libc/13336] New: Add missing buffer termination in readlinkat() unit test thomas.jarosch at intra2net dot com
2011-10-29 16:12 ` [Bug libc/13336] " drepper.fsp at gmail dot com
@ 2014-06-27 11:49 ` fweimer at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: fweimer at redhat dot com @ 2014-06-27 11:49 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=13336
Florian Weimer <fweimer at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Flags| |security-
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2011-10-24 14:56 [Bug libc/13336] New: Add missing buffer termination in readlinkat() unit test thomas.jarosch at intra2net dot com
2011-10-29 16:12 ` [Bug libc/13336] " drepper.fsp at gmail dot com
2014-06-27 11:49 ` fweimer at redhat dot com
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