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| author | Oleg Nesterov <oleg@tv-sign.ru> | 2006-02-15 22:50:10 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-15 11:05:43 -0800 |
| commit | 5ecfbae093f0c37311e89b29bfc0c9d586eace87 (patch) | |
| tree | eabd0a145af64e26c900578c95175ab313828661 /kernel/power | |
| parent | dadac81b1b86196fcc48fb87620403c4a7174f06 (diff) | |
| download | lwn-5ecfbae093f0c37311e89b29bfc0c9d586eace87.tar.gz lwn-5ecfbae093f0c37311e89b29bfc0c9d586eace87.zip | |
[PATCH] fix zap_thread's ptrace related problems
1. The tracee can go from ptrace_stop() to do_signal_stop()
after __ptrace_unlink(p).
2. It is unsafe to __ptrace_unlink(p) while p->parent may wait
for tasklist_lock in ptrace_detach().
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/power')
0 files changed, 0 insertions, 0 deletions