| commit | c895078355b6b6e05c60aa205892526dd3390f0a | [log] [tgz] |
|---|---|---|
| author | Oleg Nesterov <oleg@tv-sign.ru> | Wed Nov 28 16:21:24 2007 -0800 |
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | Thu Nov 29 09:24:52 2007 -0800 |
| tree | 922a0b9204b0cfcd5c59762f4d02e167d587ccd2 | |
| parent | c2319540cd7330fa9066e5b9b84d357a2c8631a2 [diff] |
wait_task_stopped(): don't use task_pid_nr_ns() lockless wait_task_stopped(WNOWAIT) does task_pid_nr_ns() without tasklist/rcu lock, we can read an already freed memory. Use the cached pid_t value. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Looks-good-to: Roland McGrath <roland@redhat.com> Acked-by: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>