From: Joachim Schmitz <jojo@schmitz-digital.de>
Date: Sat, 07 Feb 2015 19:14:06 GMT
Subject: Re: read() MAX_IO_SIZE bytes, more than SSIZE_MAX?
Message-ID: <loom.20150207T201128-590@post.gmane.org>
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