From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Fri, 5 Mar 2021 15:06:15 +0000 (+0100)
Subject: docs: document fuzzer variables
X-Git-Tag: v248-rc3~42^2~1
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=48eb2af68a0258fcee49633934ddb67806cb5e98;p=thirdparty%2Fsystemd.git

docs: document fuzzer variables
---

diff --git a/docs/ENVIRONMENT.md b/docs/ENVIRONMENT.md
index ab10a4fc7e8..ad2d3ad84b8 100644
--- a/docs/ENVIRONMENT.md
+++ b/docs/ENVIRONMENT.md
@@ -301,3 +301,15 @@ installed systemd tests:
 
 * `$SYSTEMD_SYSVRCND_PATH` — Controls where `systemd-sysv-generator` looks for
   SysV init script runlevel link farms.
+
+fuzzers:
+
+* `$SYSTEMD_FUZZ_OUTPUT` — A boolean that specifies whether to write output to
+  stdout. Setting to true is useful in manual invocations, since all output is
+  suppressed by default.
+
+* `$SYSTEMD_FUZZ_RUNS` — The number of times execution should be repeated in
+  manual invocations.
+
+Note that is may be also useful to set `$SYSTEMD_LOG_LEVEL`, since all logging
+is suppressed by default.