diff options
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/base.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c index 3cc64eb275b1..9da127ff6c4f 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -1666,10 +1666,14 @@ static int get_tid_list(int index, unsigned int *tids, struct inode *dir) index -= 2; read_lock(&tasklist_lock); - do { + /* + * The starting point task (leader_task) might be an already + * unlinked task, which cannot be used to access the task-list + * via next_thread(). + */ + if (pid_alive(task)) do { int tid = task->pid; - if (!pid_alive(task)) - continue; + if (--index >= 0) continue; tids[nr_tids] = tid; |