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| author | Jiri Kosina <jkosina@suse.cz> | 2008-06-05 22:46:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-06 11:29:09 -0700 |
| commit | a5b4592cf77b973c29e7c9695873a26052b58951 (patch) | |
| tree | 9f2af3014d5d41ddc22d7aa2793b871ee15297d8 /mm/mprotect.c | |
| parent | 33dda515a1995dfb3b6b57d7ace9b3ee9d449c11 (diff) | |
brk: make sys_brk() honor COMPAT_BRK when computing lower bound
Fix a regression introduced by
commit 4cc6028d4040f95cdb590a87db478b42b8be0508
Author: Jiri Kosina <jkosina@suse.cz>
Date: Wed Feb 6 22:39:44 2008 +0100
brk: check the lower bound properly
The check in sys_brk() on minimum value the brk might have must take
CONFIG_COMPAT_BRK setting into account. When this option is turned on
(i.e. we support ancient legacy binaries, e.g. libc5-linked stuff), the
lower bound on brk value is mm->end_code, otherwise the brk start is
allowed to be arbitrarily shifted.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mprotect.c')
0 files changed, 0 insertions, 0 deletions