From: Etienne Doms <etienne.doms@gmail.com>
Date: Thu, 12 Nov 2020 10:09:54 +0000 (+0100)
Subject: ratelimit: fix integer overflow
X-Git-Tag: v247~79
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F17595%2Fhead;p=thirdparty%2Fsystemd.git

ratelimit: fix integer overflow

If StartLimitIntervalSec is huge, or more specifically, set to "infinity", we need to take care about overflows.
---

diff --git a/src/basic/ratelimit.c b/src/basic/ratelimit.c
index 90b3feb8dd6..bae2ec3ffc5 100644
--- a/src/basic/ratelimit.c
+++ b/src/basic/ratelimit.c
@@ -19,7 +19,7 @@ bool ratelimit_below(RateLimit *r) {
         ts = now(CLOCK_MONOTONIC);
 
         if (r->begin <= 0 ||
-            r->begin + r->interval < ts) {
+            ts - r->begin > r->interval) {
                 r->begin = ts;
 
                 /* Reset counter */