[debbugs-tracker] bug#25180: closed (grep: (standard input): Invalid argument)

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Your message dated Mon, 12 Dec 2016 08:40:09 -0800
with message-id <address@hidden>
and subject line Re: bug#25180: grep: (standard input): Invalid argument
has caused the debbugs.gnu.org bug report #25180,
regarding grep: (standard input): Invalid argument
to be marked as done.

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25180: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=25180
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> Subject: 
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> grep: (standard input): Invalid argument
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> Date: 
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> Mon, 12 Dec 2016 11:10:48 +0100
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> User-agent: 
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> Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)
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> $ 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, address@hidden
> GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
> "And now for something completely different."
>
>
>
> --- End Message ---

--- Begin Message --- Subject: Re: bug#25180: grep: (standard input): Invalid argument Date: Mon, 12 Dec 2016 08:40:09 -0800 User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 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
Description: Source code patch

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