DragonFly bugs List (threaded) for 2010-04
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[issue1723] mmap() MAP_ANON honors offset
New submission from Venkatesh Srinivas <me@acm.jhu.edu>:
#include <stdlib.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <unistd.h>
int main(int argc, char *argv[]) {
char *c = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_PRIVATE |
MAP_ANON, -1, 16);
return printf("%x \n", c);
}
gets an address of xxxxx010. mmap is supposed to fail with EINVAL given an
offset and MAP_ANON.
Patch here: http://endeavour.zapto.org/dfly/mmap_anon_offset.diff
----------
messages: 8451
nosy: vsrinivas
status: unread
title: mmap() MAP_ANON honors offset
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DragonFly issue tracker <bugs@lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue1723>
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