Blame SOURCES/0504-udev-ignore-SIGCHLD-from-unexpected-processes-130653.patch
|
 |
923a60 |
From 461c10112d74ab223226554f2bb73aabaef43c9a Mon Sep 17 00:00:00 2001
|
|
|
923a60 |
From: Jan Synacek <jsynacek@redhat.com>
|
|
|
923a60 |
Date: Tue, 15 Aug 2017 13:29:51 +0200
|
|
|
923a60 |
Subject: [PATCH] udev: ignore SIGCHLD from unexpected processes (#1306539)
|
|
|
923a60 |
|
|
|
923a60 |
RHEL-only
|
|
|
923a60 |
|
|
|
923a60 |
Author: grzegorz.halat@motorolasolutions.com
|
|
|
923a60 |
Resolves: #1306539
|
|
|
923a60 |
---
|
|
|
923a60 |
src/udev/udev-event.c | 6 +++++-
|
|
|
923a60 |
1 file changed, 5 insertions(+), 1 deletion(-)
|
|
|
923a60 |
|
|
|
923a60 |
diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
|
|
|
923a60 |
index bc115f112d..0ba079201c 100644
|
|
|
923a60 |
--- a/src/udev/udev-event.c
|
|
|
923a60 |
+++ b/src/udev/udev-event.c
|
|
|
923a60 |
@@ -610,7 +610,11 @@ static int spawn_wait(struct udev_event *event,
|
|
|
923a60 |
event->sigterm = true;
|
|
|
923a60 |
break;
|
|
|
923a60 |
case SIGCHLD:
|
|
|
923a60 |
- if (waitpid(pid, &status, WNOHANG) < 0)
|
|
|
923a60 |
+ if (pid != (pid_t) fdsi.ssi_pid) {
|
|
|
923a60 |
+ log_debug("expected SIGCHLD from '%s' ["PID_FMT"] received from unknown process ["PID_FMT"]. Ignoring", cmd, pid, fdsi.ssi_pid);
|
|
|
923a60 |
+ continue;
|
|
|
923a60 |
+ }
|
|
|
923a60 |
+ if (waitpid(pid, &status, WNOHANG) <= 0)
|
|
|
923a60 |
break;
|
|
|
923a60 |
if (WIFEXITED(status)) {
|
|
|
923a60 |
log_debug("'%s' ["PID_FMT"] exit with return code %i", cmd, pid, WEXITSTATUS(status));
|