diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2016-11-22 10:57:15 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2018-01-01 20:52:01 +0000 |
| commit | 65143814913b0e87e3acae21ef12cffc44bc13ae (patch) | |
| tree | bd093677d1cd16a69a70d01f73a4efe04f166f4c /kernel | |
| parent | 5d730e88381931fffb8bad3c44871616b51f156a (diff) | |
x86/uaccess, sched/preempt: Verify access_ok() context
commit 7c4788950ba5922fde976d80b72baf46f14dee8d upstream.
I recently encountered wreckage because access_ok() was used where it
should not be, add an explicit WARN when access_ok() is used wrongly.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
[bwh: Backported to 3.16:
- Adjust filename
- Include <linux/preempt_mask.h> in <asm/uaccess.h> since it's not included by
<linux/uaccess.h>]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions