Re: port-evbarm/49974: mmap(2) of large anonymous regions is broken

[Tobias Nygren <tnn%NetBSD.org@localhost>]

The following reply was made to PR port-evbarm/49974; it has been noted by GNATS.

From: Tobias Nygren <tnn%NetBSD.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: port-evbarm/49974: mmap(2) of large anonymous regions is broken
Date: Tue, 16 Jun 2015 01:00:23 +0200

 For the record since it was suggested that the fixed mmap might be
 overwriting existing things and thus succeeding that is not the case:
 
 00010000      8K read/exec         /tmp/test
 00020000    896K read/write          [ anon ]
 [plenty of room here]
 60020000     72K read/exec         /libexec/ld.elf_so
 60032000     56K                     [ anon ]
 60040000      8K read/write        /libexec/ld.elf_so
 60042000     40K read/write          [ anon ]
 60050000   1248K read/exec         /lib/libc.so.12.197
 60188000     56K                   /lib/libc.so.12.197
 60196000    136K read/write        /lib/libc.so.12.197
 601B8000    112K read/write          [ anon ]
 60200000   1024K read/write          [ anon ]
 7BFFE000  61440K                     [ stack ]
 7FBFE000   3976K read/write          [ stack ]
 7FFE0000    120K read/write          [ stack ]