author: Oleg Nesterov <oleg@redhat.com> 2013-04-30 15:28:12 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2013-04-30 17:04:06 -0700
commit: 6cd8f0acae3420afce37bf51a9ff8c2c20342af5
parent: 403bad72b67d8b3f5a0240af5023adfa48132a65
Commit Summary:
Diffstat:
1 file changed, 8 insertions, 2 deletions
diff --git a/fs/coredump.c b/fs/coredump.c
index f91cfd8cd5f2..6fea59043532 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -263,7 +263,6 @@ static int zap_process(struct task_struct *start, int exit_code)
struct task_struct *t;
int nr = 0;
- start->signal->flags = SIGNAL_GROUP_EXIT;
start->signal->group_exit_code = exit_code;
start->signal->group_stop_count = 0;
@@ -291,8 +290,9 @@ static int zap_threads(struct task_struct *tsk, struct mm_struct *mm,
if (!signal_group_exit(tsk->signal)) {
mm->core_state = core_state;
nr = zap_process(tsk, exit_code);
+ tsk->signal->group_exit_task = tsk;
/* ignore all signals except SIGKILL, see prepare_signal() */
- tsk->signal->flags |= SIGNAL_GROUP_COREDUMP;
+ tsk->signal->flags = SIGNAL_GROUP_COREDUMP;
clear_tsk_thread_flag(tsk, TIF_SIGPENDING);
}
spin_unlock_irq(&tsk->sighand->siglock);
@@ -343,6 +343,7 @@ static int zap_threads(struct task_struct *tsk, struct mm_struct *mm,
if (unlikely(p->mm == mm)) {
lock_task_sighand(p, &flags);
nr += zap_process(p, exit_code);
+ p->signal->flags = SIGNAL_GROUP_EXIT;
unlock_task_sighand(p, &flags);
}
break;
@@ -394,6 +395,11 @@ static void coredump_finish(struct mm_struct *mm)
struct core_thread *curr, *next;
struct task_struct *task;
+ spin_lock_irq(¤t->sighand->siglock);
+ current->signal->group_exit_task = NULL;
+ current->signal->flags = SIGNAL_GROUP_EXIT;
+ spin_unlock_irq(¤t->sighand->siglock);
+
next = mm->core_state->dumper.next;
while ((curr = next) != NULL) {
next = curr->next;