* [patch 02/23] [PATCH] Dont auto-reap traced children
@ 2005-11-22 21:06 Chris Wright
0 siblings, 0 replies; only message in thread
From: Chris Wright @ 2005-11-22 21:06 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Justin Forbes, Zwane Mwaikambo, Theodore Ts'o, Randy Dunlap,
Dave Jones, Chuck Wolber, torvalds, akpm, alan, Oleg Nesterov
[-- Attachment #1: ptrace-auto-reap-fix.patch --]
[-- Type: text/plain, Size: 866 bytes --]
-stable review patch. If anyone has any objections, please let us know.
------------------
If a task is being traced we never auto-reap it even if it might look
like its parent doesn't care. The tracer obviously _does_ care.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
kernel/signal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.14.2.orig/kernel/signal.c
+++ linux-2.6.14.2/kernel/signal.c
@@ -1524,7 +1524,7 @@ void do_notify_parent(struct task_struct
psig = tsk->parent->sighand;
spin_lock_irqsave(&psig->siglock, flags);
- if (sig == SIGCHLD &&
+ if (!tsk->ptrace && sig == SIGCHLD &&
(psig->action[SIGCHLD-1].sa.sa_handler == SIG_IGN ||
(psig->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDWAIT))) {
/*
--
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