The patch titled
tracehook: fix SA_NOCLDWAIT
has been removed from the -mm tree. Its filename was
tracehook-fix-sa_nocldwait.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: tracehook: fix SA_NOCLDWAIT
From: Roland McGrath <roland@xxxxxxxxxx>
I outwitted myself again in commit 2b2a1ff64afbadac842bbc58c5166962cf4f7664,
and broke the SA_NOCLDWAIT behavior so it leaks zombies. This fixes it.
Reported-by: Andi Kleen <andi@xxxxxxxxxxxxxx>
Signed-off-by: Roland McGrath <roland@xxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/signal.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN kernel/signal.c~tracehook-fix-sa_nocldwait kernel/signal.c
--- a/kernel/signal.c~tracehook-fix-sa_nocldwait
+++ a/kernel/signal.c
@@ -1338,6 +1338,7 @@ int do_notify_parent(struct task_struct
struct siginfo info;
unsigned long flags;
struct sighand_struct *psig;
+ int ret = sig;
BUG_ON(sig == -1);
@@ -1402,7 +1403,7 @@ int do_notify_parent(struct task_struct
* is implementation-defined: we do (if you don't want
* it, just use SIG_IGN instead).
*/
- tsk->exit_signal = -1;
+ ret = tsk->exit_signal = -1;
if (psig->action[SIGCHLD-1].sa.sa_handler == SIG_IGN)
sig = -1;
}
@@ -1411,7 +1412,7 @@ int do_notify_parent(struct task_struct
__wake_up_parent(tsk, tsk->parent);
spin_unlock_irqrestore(&psig->siglock, flags);
- return sig;
+ return ret;
}
static void do_notify_parent_cldstop(struct task_struct *tsk, int why)
_
Patches currently in -mm which might be from roland@xxxxxxxxxx are
origin.patch
linux-next.patch
x86-tracehook-config_have_arch_tracehook.patch
sched-do_wait_for_common-use-signal_pending_state.patch
wait_task_inactive-dont-consider-task-nivcsw.patch
wait_task_inactive-improve-the-returned-value-for-nvcsw-==-0.patch
fix-setpriorityprio_pgrp-thread-iterator-breakage.patch
posix-timers-dont-switch-to-group_leader-if-it_process-dies.patch
posix-timers-always-do-get_task_structtimer-it_process.patch
posix-timers-sys_timer_create-remove-the-buggy-pf_exiting-check.patch
posix-timers-sys_timer_create-simplify-and-s-tasklist-rcu.patch
posix-timers-move-the-initialization-of-timer-sigq-from-send-to-create-path.patch
posix-timers-sys_timer_create-cleanup-the-error-handling.patch
posix-timers-kill-it_sigev_signo-and-it_sigev_value.patch
posix-timers-lock_timer-kill-the-bogus-it_id-check.patch
posix-timers-lock_timer-make-it-readable.patch
posix-timers-use-struct-pid-instead-of-struct-task_struct.patch
posix-timers-check-it_signal-instead-of-it_pid-to-validate-the-timer.patch
posix-timers-simplify-de_thread-exit_itimers-path.patch
make-ptrace_untrace-static.patch
coredump-format_corename-dont-append-%pid-if-multi-threaded.patch
kthread_bind-use-wait_task_inactivetask_uninterruptible.patch
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