diff options
| author | Arjan van de Ven <arjan@infradead.org> | 2005-03-04 17:25:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-03-04 17:25:55 -0800 |
| commit | 8ec0defa78358ecae2b24146666e384af30950b5 (patch) | |
| tree | b2a4d3bf7f66c0f46687814b7e74ac7c84f0e181 /include | |
| parent | 3f06ae033fc51fd6163445f7bee505f0095404ec (diff) | |
[PATCH] Randomisation: add ADDR_NO_RANDOMIZE personality
Introduce a personality that disables randomisation, so that users can use
setarch and related commands to run specific applications without
randomisation.
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/personality.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/personality.h b/include/linux/personality.h index 7cef4670ac05..80d780e5a8f5 100644 --- a/include/linux/personality.h +++ b/include/linux/personality.h @@ -18,6 +18,7 @@ extern int __set_personality(unsigned long); * These occupy the top three bytes. */ enum { + ADDR_NO_RANDOMIZE = 0x0040000, /* disable randomization of VA space */ FDPIC_FUNCPTRS = 0x0080000, /* userspace function ptrs point to descriptors * (signal handling) */ @@ -35,7 +36,7 @@ enum { * Security-relevant compatibility flags that must be * cleared upon setuid or setgid exec: */ -#define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC) +#define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC|ADDR_NO_RANDOMIZE) /* * Personality types. |