From: Luca Boccassi <luca.boccassi@gmail.com>
Date: Wed, 3 Jun 2026 15:47:54 +0000 (+0100)
Subject: oomd: reject invalid arguments early
X-Git-Tag: v261-rc3~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cde88c4ea364e816619f385a870d074ebc12fe0f;p=thirdparty%2Fsystemd.git

oomd: reject invalid arguments early

Validate input parameter immediately during initial parsing

Follow-up for 9de5e32136949a531e71cb31170025c2e1d3430e
---

diff --git a/src/oom/oomd-manager.c b/src/oom/oomd-manager.c
index 7ec6684f6e2..2fafa6904d7 100644
--- a/src/oom/oomd-manager.c
+++ b/src/oom/oomd-manager.c
@@ -88,6 +88,11 @@ static int process_managed_oom_message(Manager *m, uid_t uid, sd_json_variant *p
                 if (r < 0)
                         continue;
 
+                if (!path_is_normalized(empty_to_root(message.path))) {
+                        log_debug("Received non-normalized cgroup path '%s', ignoring.", message.path);
+                        continue;
+                }
+
                 if (uid != 0) {
                         uid_t cg_uid;