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-rw-r--r--src/systemctl/systemctl.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 4e90f68622..85c50004f8 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -2851,6 +2851,9 @@ static int check_inhibitors(sd_bus *bus, enum action a) {
if (!sv)
return log_oom();
+ if ((pid_t) pid < 0)
+ return log_error_errno(ERANGE, "Bad PID %"PRIu32": %m", pid);
+
if (!strv_contains(sv,
a == ACTION_HALT ||
a == ACTION_POWEROFF ||
@@ -2862,7 +2865,7 @@ static int check_inhibitors(sd_bus *bus, enum action a) {
user = uid_to_name(uid);
log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".",
- who, pid, strna(comm), strna(user), why);
+ who, (pid_t) pid, strna(comm), strna(user), why);
c++;
}