From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 5 Mar 2014 02:38:36 +0000 (+0100)
Subject: systemd-run: add some extra safety checks
X-Git-Tag: v211~121
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=1ac67edb7c4d31a287fa98c0b554ae98bd34e71b

systemd-run: add some extra safety checks
---

diff --git a/src/run/run.c b/src/run/run.c
index 81763c94f..e71ca7dc3 100644
--- a/src/run/run.c
+++ b/src/run/run.c
@@ -37,7 +37,7 @@ static const char *arg_description = NULL;
 static const char *arg_slice = NULL;
 static bool arg_send_sighup = false;
 static BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
-static char *arg_host = NULL;
+static const char *arg_host = NULL;
 static bool arg_user = false;
 static const char *arg_service_type = NULL;
 static const char *arg_exec_user = NULL;
@@ -186,7 +186,7 @@ static int parse_argv(int argc, char *argv[]) {
 
                 case ARG_NICE:
                         r = safe_atoi(optarg, &arg_nice);
-                        if (r < 0) {
+                        if (r < 0 || arg_nice < PRIO_MIN || arg_nice >= PRIO_MAX) {
                                 log_error("Failed to parse nice value");
                                 return -EINVAL;
                         }