GNU bug report logs - #51433
cp 9.0 sometimes fails with SEEK_DATA/SEEK_HOLE

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Package: coreutils;

Reported by: Janne Heß <janne+coreutils <at> hess.ooo>

Date: Wed, 27 Oct 2021 11:56:01 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 #23 received at 51433 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Pádraig Brady <P <at> draigBrady.com>
Cc: Janne Heß <janne+coreutils <at> hess.ooo>,
 51433 <at> debbugs.gnu.org
Subject: Re: bug#51433: cp 9.0 sometimes fails with SEEK_DATA/SEEK_HOLE
Date: Fri, 29 Oct 2021 18:24:38 -0700

[Message part 1 (text/plain, inline)]
On 10/28/21 12:11, Paul Eggert wrote:
> Wait - lseek returns a number less than -1?! We could easily check for 
> that FreeBSD bug, perhaps as an independent patch; this shouldn't 
> require any extra syscalls.

I installed the attached patch to do this. This doesn't fix coreutils 
bug#51433; it merely makes 'cp' and similar programs more likely to 
detect and report the FreeBSD 9.1 bug you mentioned.
[0001-cp-defend-better-against-FreeBSD-9.1-zfs-bug.patch (text/x-patch, attachment)]
This bug report was last modified 3 years and 173 days ago.

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