GNU bug report logs - #25180
grep: (standard input): Invalid argument

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Package: grep;

Reported by: Andreas Schwab <schwab <at> suse.de>

Date: Mon, 12 Dec 2016 10:12:01 UTC

Severity: normal

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

Bug is archived. No further changes may be made.

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Report forwarded to bug-grep <at> gnu.org:
bug#25180; Package grep. (Mon, 12 Dec 2016 10:12:01 GMT) Full text and rfc822 format available.
Acknowledgement sent to Andreas Schwab <schwab <at> suse.de>:
New bug report received and forwarded. Copy sent to bug-grep <at> gnu.org. (Mon, 12 Dec 2016 10:12:01 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> suse.de>
To: bug-grep <at> gnu.org
Subject: grep: (standard input): Invalid argument
Date: Mon, 12 Dec 2016 11:10:48 +0100

$ grep ^Sig < /proc/self/status >/dev/null
grep: (standard input): Invalid argument
$ strace -e lseek grep ^Sig < /proc/self/status >/dev/null
lseek(0, 0, SEEK_CUR)                   = 0
lseek(0, 0, SEEK_END)                   = -1 EINVAL (Invalid argument)
grep: (standard input): Invalid argument
+++ exited with 2 +++

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab <at> suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
Reply sent to Paul Eggert <eggert <at> cs.ucla.edu>:
You have taken responsibility. (Mon, 12 Dec 2016 16:41:02 GMT) Full text and rfc822 format available.
Notification sent to Andreas Schwab <schwab <at> suse.de>:
bug acknowledged by developer. (Mon, 12 Dec 2016 16:41:02 GMT) Full text and rfc822 format available.

Message #10 received at 25180-done <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Andreas Schwab <schwab <at> suse.de>, 25180-done <at> debbugs.gnu.org
Subject: Re: bug#25180: grep: (standard input): Invalid argument
Date: Mon, 12 Dec 2016 08:40:09 -0800

[Message part 1 (text/plain, inline)]
Thanks, I didn't know about that lseek glitch with the proc file system. 
I installed the attached patch to the grep master.

The use case seems unusual. Did a user discover this in practice?

[0001-grep-work-around-proc-lseek-glitch.patch (application/x-patch, attachment)]
Information forwarded to bug-grep <at> gnu.org:
bug#25180; Package grep. (Mon, 12 Dec 2016 16:48:02 GMT) Full text and rfc822 format available.

Message #13 received at 25180-done <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> suse.de>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 25180-done <at> debbugs.gnu.org
Subject: Re: bug#25180: grep: (standard input): Invalid argument
Date: Mon, 12 Dec 2016 17:47:36 +0100

On Dez 12 2016, Paul Eggert <eggert <at> cs.ucla.edu> wrote:

> The use case seems unusual. Did a user discover this in practice?

https://build.opensuse.org/package/live_build_log/devel:tools/strace/openSUSE_Tumbleweed/x86_64

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab <at> suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Tue, 10 Jan 2017 12:24:05 GMT) Full text and rfc822 format available.
This bug report was last modified 8 years and 164 days ago.

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