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| author | Anton Blanchard <anton@samba.org> | 2009-02-22 02:50:04 +0100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-02-23 05:53:20 +0100 |
| commit | 912f9ee21c836081e3c96dfe61025841ebeb95da (patch) | |
| tree | 289e0c461cb651d041a2f1df359d88f285b82b4d /arch/powerpc/kernel/dbell.c | |
| parent | powerpc: Randomise lower bits of stack address (diff) | |
| download | linux-912f9ee21c836081e3c96dfe61025841ebeb95da.tar.xz linux-912f9ee21c836081e3c96dfe61025841ebeb95da.zip | |
powerpc: Randomise the brk region
Randomize the heap.
before:
tundro2:~ # sleep 1 & cat /proc/${!}/maps | grep heap
10017000-10118000 rw-p 10017000 00:00 0 [heap]
10017000-10118000 rw-p 10017000 00:00 0 [heap]
10017000-10118000 rw-p 10017000 00:00 0 [heap]
10017000-10118000 rw-p 10017000 00:00 0 [heap]
10017000-10118000 rw-p 10017000 00:00 0 [heap]
after
tundro2:~ # sleep 1 & cat /proc/${!}/maps | grep heap
19419000-1951a000 rw-p 19419000 00:00 0 [heap]
325ff000-32700000 rw-p 325ff000 00:00 0 [heap]
1a97c000-1aa7d000 rw-p 1a97c000 00:00 0 [heap]
1cc60000-1cd61000 rw-p 1cc60000 00:00 0 [heap]
1afa9000-1b0aa000 rw-p 1afa9000 00:00 0 [heap]
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/dbell.c')
0 files changed, 0 insertions, 0 deletions