forwarded message from Chen, Kenneth W

[David Mosberger <davidm at napali dot hpl dot hp dot com>]

I'm forwarding this mail because I don't see it in the archive at
http://sources.redhat.com/ml/bug-glibc/.  (bug-glibc@gnu.org is the
right address for this archive, right?)

	--david

--- Begin Message ---

• From: "Chen, Kenneth W" <kenneth dot w dot chen at intel dot com>
• To: "Chen, Kenneth W" <kenneth dot w dot chen at intel dot com>, "Reese Faucette" <reese at myri dot com>, <bug-glibc at gnu dot org>, <linux-ia64 at linuxia64 dot org>
• Cc: "Akyil, Levent" <levent dot akyil at intel dot com>, <susan at myri dot com>, "Mallick, Asit K" <asit dot k dot mallick at intel dot com>
• Date: Thu, 7 Nov 2002 11:10:27 -0800
• Subject: RE: [Linux-ia64] IA64 strncpy in 2.2.4-30 - bug and patch

We found more bugs in the code, and here is an updated patch to fix them.
Note this patch supercedes the one I sent yesterday.

Also attached is the test program we used to verify the fix.

- Ken Chen


-----Original Message-----
From: Chen, Kenneth W 
Sent: Wednesday, November 06, 2002 6:57 PM
To: Chen, Kenneth W; Reese Faucette; bug-glibc@gnu.org;
linux-ia64@linuxia64.org
Cc: Akyil, Levent; susan@myri.com; Mallick, Asit K
Subject: RE: [Linux-ia64] IA64 strncpy in 2.2.4-30 - bug and patch


Here is a patch that fixes bugs in strncpy function included in glibc-2.2.4.  We found there are more bugs during the investigation.  Please pound on this patch and let us know any issues.

- Ken Chen


-----Original Message-----
From: Chen, Kenneth W 
Sent: Tuesday, November 05, 2002 4:44 PM
To: Reese Faucette; bug-glibc@gnu.org; linux-ia64@linuxia64.org
Cc: Akyil, Levent; susan@myri.com
Subject: RE: [Linux-ia64] IA64 strncpy in 2.2.4-30 - bug and patch


I'm not able to reproduce the bug with your test case ...

-----Original Message-----
From: Reese Faucette [mailto:reese@myri.com]
Sent: Tuesday, November 05, 2002 4:39 PM
To: bug-glibc@gnu.org; linux-ia64@linuxia64.org
Cc: Akyil, Levent; susan@myri.com
Subject: [Linux-ia64] IA64 strncpy in 2.2.4-30 - bug and patch


Hi,
I opened a bug with RedHat about a problem with strncpy() in glibc-2.2.4-30 on IA64, see https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=76952, but I've been told you folks are really the ones to talk to.
 
The bug report contains a testcase illustrating the problem, and also a patch.  In short, the recovery code is busted, even after the patch from David Mosberger.  Attached is a copy of the patch from the bug report.
 
I have a testcase which exercizes both the recovery3 and recovery4 paths if you're interested.  
Regards,
-reese faucette
 
 


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Attachment: strncpy2.fix.patch
Description: strncpy2.fix.patch

Attachment: bug.c
Description: bug.c

Attachment: bug2.c
Description: bug2.c

--- End Message ---