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-rw-r--r--fs/proc/array.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index b07a710..c135cbd 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -429,7 +429,9 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
struct signal_struct *sig = task->signal;
if (sig->tty) {
- tty_pgrp = pid_nr_ns(sig->tty->pgrp, ns);
+ struct pid *pgrp = tty_get_pgrp(sig->tty);
+ tty_pgrp = pid_nr_ns(pgrp, ns);
+ put_pid(pgrp);
tty_nr = new_encode_dev(tty_devnum(sig->tty));
}