From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 24 Sep 2018 17:04:44 +0000 (+0200)
Subject: killall: filter out bogus PIDs
X-Git-Tag: v240~614^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=20ca2d10bdcd4ac6b7c0110635357fd0a26ca302;p=thirdparty%2Fsystemd.git

killall: filter out bogus PIDs

we might as well filter these too since negative PIDs have special
semantics in kill(), and we should never trigger that...
---

diff --git a/src/core/killall.c b/src/core/killall.c
index 3dde3033fa3..37c645538cb 100644
--- a/src/core/killall.c
+++ b/src/core/killall.c
@@ -29,7 +29,7 @@ static bool ignore_proc(pid_t pid, bool warn_rootfs) {
         int r;
 
         /* We are PID 1, let's not commit suicide */
-        if (pid == 1)
+        if (pid <= 1)
                 return true;
 
         /* Ignore kernel threads */