From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Wed, 5 May 2021 13:39:55 +0000 (+0200)
Subject: core: fix potential crash in BPFProgram=
X-Git-Tag: v249-rc1~293^2~7
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d762abece96302bf3ff34528f12e219b404722d9;p=thirdparty%2Fsystemd.git

core: fix potential crash in BPFProgram=
---

diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index cbc85d9695f..c09627e5b0d 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -5630,7 +5630,7 @@ int config_parse_bpf_foreign_program(
         r = extract_first_word(&rvalue, &word, ":", 0);
         if (r == -ENOMEM)
                 return log_oom();
-        if (r < 0) {
+        if (r <= 0) {
                 log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to parse foreign BPF program, ignoring: %s", rvalue);
                 return 0;
         }