From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sun, 13 Jan 2019 21:34:15 +0000 (+0900)
Subject: udevadm: fix segfault
X-Git-Tag: v241-rc1~75^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F11417%2Fhead;p=thirdparty%2Fsystemd.git

udevadm: fix segfault

Fixes #11416.
---

diff --git a/src/udev/udevadm-monitor.c b/src/udev/udevadm-monitor.c
index f1b3e25cdda..3dde3f338a7 100644
--- a/src/udev/udevadm-monitor.c
+++ b/src/udev/udevadm-monitor.c
@@ -144,11 +144,11 @@ static int parse_argv(int argc, char *argv[]) {
 
                         slash = strchr(optarg, '/');
                         if (slash) {
-                                devtype = strdup(devtype + 1);
+                                devtype = strdup(slash + 1);
                                 if (!devtype)
                                         return -ENOMEM;
 
-                                subsystem = strndup(optarg, devtype - optarg);
+                                subsystem = strndup(optarg, slash - optarg);
                         } else
                                 subsystem = strdup(optarg);