x86: Use helpers for rlimits
Make sure compiler won't do weird things with limits. Fetching them
twice may return 2 different values after writable limits are
implemented.
We can either use rlimit helpers added in
3e10e716ab
or ACCESS_ONCE if not
applicable; this patch uses the helpers.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
LKML-Reference: <1264609942-24621-1-git-send-email-jslaby@suse.cz>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
committed by
H. Peter Anvin
parent
be8cde8b24
commit
2854e72b58
@@ -297,7 +297,7 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
|
||||
* size limits imposed on them by creating programs with large
|
||||
* arrays in the data or bss.
|
||||
*/
|
||||
rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
|
||||
rlim = rlimit(RLIMIT_DATA);
|
||||
if (rlim >= RLIM_INFINITY)
|
||||
rlim = ~0;
|
||||
if (ex.a_data + ex.a_bss > rlim)
|
||||
|
Reference in New Issue
Block a user