From d21bee476432e0d0442662fa7899d4dd4897e097 Mon Sep 17 00:00:00 2001
From: Piotr Praszmo <piotr.praszmo@nokia.com>
Date: Wed, 23 Oct 2019 14:11:01 +0200
Subject: [PATCH 46/65] pstree: do not crash on missing /proc/xxxx directory

This can happen when process ends while pstree is running.
Ignore such processes.

https://gitlab.com/psmisc/psmisc/-/commit/d21bee476432e0d0442662fa7899d4dd4897e097
---
 src/pstree.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/pstree.c b/src/pstree.c
index 99881e9..3de0792 100644
--- a/src/pstree.c
+++ b/src/pstree.c
@@ -1035,8 +1035,9 @@ static void read_proc(void)
           }
 #endif                /*WITH_SELINUX */
         if (stat(path, &st) < 0) {
-          perror(path);
-          exit(1);
+          (void) fclose(file);
+          free(path);
+          continue;
         }
         size = fread(readbuf, 1, BUFSIZ, file);
         if (ferror(file) == 0) {
-- 
2.22.0.windows.1