diff options
| author | KAMEZAWA Hiroyuki <[email protected]> | 2010-04-06 14:34:42 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2010-04-07 08:38:02 -0700 |
| commit | a3a2e76c77fa22b114e421ac11dec0c56c3503fb (patch) | |
| tree | cc67bbd8d5d364e55ea7a00d0b5ad68d5eac08ac /tools/perf/scripts/python | |
| parent | b01d0942c2b7a3026d2b7d38b5773d3d00420e06 (diff) | |
mm: avoid null-pointer deref in sync_mm_rss()
- We weren't zeroing p->rss_stat[] at fork()
- Consequently sync_mm_rss() was dereferencing tsk->mm for kernel
threads and was oopsing.
- Make __sync_task_rss_stat() static, too.
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=15648
[[email protected]: remove the BUG_ON(!mm->rss)]
Reported-by: Troels Liebe Bentsen <[email protected]>
Signed-off-by: KAMEZAWA Hiroyuki <[email protected]>
"Michael S. Tsirkin" <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Minchan Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions