diff options
Diffstat (limited to 'fs/proc/array.c')
| -rw-r--r-- | fs/proc/array.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index 53edb284329b..e15ffaf61f48 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -316,7 +316,15 @@ int proc_pid_stat(struct task_struct *task, char * buffer) wchan = get_wchan(task); - collect_sigign_sigcatch(task, &sigign, &sigcatch); + sigemptyset(&sigign); + sigemptyset(&sigcatch); + read_lock(&tasklist_lock); + if (task->sighand) { + spin_lock_irq(&task->sighand->siglock); + collect_sigign_sigcatch(task, &sigign, &sigcatch); + spin_lock_irq(&task->sighand->siglock); + } + read_unlock(&tasklist_lock); /* scale priority and nice values from timeslices to -20..20 */ /* to make it look like a "normal" Unix priority/nice value */ |