From: Michal Sekletár <msekleta@redhat.com>
Date: Thu, 9 Jul 2020 16:16:44 +0000 (+0200)
Subject: core: prevent excessive /proc/self/mountinfo parsing
X-Git-Tag: v248-rc1~614^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d586f642fd90e3bb378f7b6d3e3a64a753e51756;p=thirdparty%2Fsystemd.git

core: prevent excessive /proc/self/mountinfo parsing
---

diff --git a/src/core/mount.c b/src/core/mount.c
index e672796694b..5479cf7bf21 100644
--- a/src/core/mount.c
+++ b/src/core/mount.c
@@ -1855,6 +1855,12 @@ static void mount_enumerate(Manager *m) {
                         goto fail;
                 }
 
+                r = sd_event_source_set_ratelimit(m->mount_event_source, 1 * USEC_PER_SEC, 5);
+                if (r < 0) {
+                        log_error_errno(r, "Failed to enable rate limit for mount events: %m");
+                        goto fail;
+                }
+
                 (void) sd_event_source_set_description(m->mount_event_source, "mount-monitor-dispatch");
         }