GNU bug report logs - #7489
[coreutils] over aggressive threads in sort

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Package: coreutils;

Reported by: DJ Lucas <dj <at> linuxfromscratch.org>

Date: Fri, 26 Nov 2010 19:40:02 UTC

Severity: normal

Tags: fixed

Done: Assaf Gordon <assafgordon <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Chen Guo <chen.guo.0625 <at> gmail.com>
Cc: coreutils <at> gnu.org, Pádraig Brady <P <at> draigbrady.com>, Jim Meyering <jim <at> meyering.net>, 7489 <at> debbugs.gnu.org, DJ Lucas <dj <at> linuxfromscratch.org>
Subject: bug#7489: [coreutils] over aggressive threads in sort
Date: Tue, 30 Nov 2010 22:16:05 -0800

On 11/30/2010 04:19 PM, Chen Guo wrote:
> could you detail how you can trigger the divide-by-zero bug?

Invoke MAX_MERGE(total, level) with level == 15.
2 << level yields 65536, and 65536 * 65536 overflows to zero.
This bug report was last modified 6 years and 202 days ago.

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