From: Joachim Schmitz <jojo@schmitz-digital•de>
To: git@vger•kernel.org
Subject: Re: read() MAX_IO_SIZE bytes, more than SSIZE_MAX?
Date: Sat, 7 Feb 2015 19:14:06 +0000 (UTC) [thread overview]
Message-ID: <loom.20150207T201128-590@post.gmane.org> (raw)
In-Reply-To: loom.20150207T174514-727@post.gmane.org
Joachim Schmitz <jojo <at> schmitz-digital.de> writes:
<snip>
> and as a (rather strange)
> consequence mmap() (from compat/mmap.c) fails with EACCESS (why
EACCESS?),
> because xpread() returns something > 0.
Seems mmap() should either set errno to EINVAL or not set it at all an
just 'forward' whatever xpread() has set.
As per http://man7.org/linux/man-pages/man2/mmap.2.html mmap() sets EINVAL
if (amongst other things) it doesn't like the value of len, exactly the
case here.
bye, Jojo
next prev parent reply other threads:[~2015-02-07 19:14 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-07 16:45 read() MAX_IO_SIZE bytes, more than SSIZE_MAX? Joachim Schmitz
2015-02-07 16:48 ` Joachim Schmitz
2015-02-07 17:19 ` Torsten Bögershausen
2015-02-07 17:29 ` Joachim Schmitz
2015-02-07 18:03 ` Joachim Schmitz
2015-02-07 20:32 ` Torsten Bögershausen
2015-02-07 22:13 ` Junio C Hamano
2015-02-07 22:31 ` Joachim Schmitz
2015-02-08 2:13 ` Junio C Hamano
2015-02-08 2:32 ` Randall S. Becker
2015-02-08 12:05 ` Joachim Schmitz
2015-02-08 17:09 ` Eric Sunshine
2015-02-11 21:13 ` Junio C Hamano
2015-02-11 21:29 ` Joachim Schmitz
2015-02-11 22:05 ` Joachim Schmitz
2015-02-11 23:15 ` Junio C Hamano
2015-02-07 18:06 ` Randall S. Becker
2015-02-07 18:20 ` Randall S. Becker
2015-02-07 18:36 ` Joachim Schmitz
2015-02-07 19:14 ` Joachim Schmitz [this message]
-- strict thread matches above, loose matches on Subject: below --
2015-02-12 7:46 Joachim Schmitz
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