GNU bug report logs - #46815
cp integer overflow in progress (time remaining)

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Package: coreutils;

Reported by: Ronald Knol <rwjknol <at> gmail.com>

Date: Sat, 27 Feb 2021 16:59:02 UTC

Severity: normal

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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Message #10 received at 46815-done <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Ronald Knol <rwjknol <at> gmail.com>
Cc: 46815-done <at> debbugs.gnu.org
Subject: Re: bug#46815: cp integer overflow in progress (time remaining)
Date: Sat, 27 Feb 2021 09:54:26 -0800

On 2/27/21 7:35 AM, Ronald Knol wrote:
> This is "cp -argu <sourcedir> <destdir>". The source tree contains more
> than 2TiB worth of data.
> 
> I believe the issue is in src/copy.c where (on line 355) an INT is used to
> store "cur_size".
> 
>      int cur_size = g_iTotalWritten + *total_n_read / 1024;

GNU coreutils 'cp' lacks a 'g' option, and doesn't have the line number 
you mentioned. It sounds like you're dealing with a bug in a modified 
version of 'cp', which means you should direct your bug report to 
whoever made that modification.
This bug report was last modified 4 years and 81 days ago.

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