systemd/0027-core-don-t-hit-an-asse...

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From 37c30b6829eabedf0e5c800aeffb16d4d1b3d2ec Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 2 Nov 2016 12:02:53 -0600
Subject: [PATCH] core: don't hit an assert when printing status messages about
units with overly long description strings
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This essentially reverts one part of d054f0a4d451120c26494263fc4dc175bfd405b1.
(We might also choose to use proper ellipsation here, but I wasn't sure the
memory allocation this requires wouöld be a good idea here...)
Fixes: #4534
(cherry picked from commit 07ecca0dc9d2d8f3b3abd73ab32f254f339fd903)
---
src/core/job.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/core/job.c b/src/core/job.c
index 7557874d4d..4efcfb80f3 100644
--- a/src/core/job.c
+++ b/src/core/job.c
@@ -767,8 +767,9 @@ static void job_log_status_message(Unit *u, JobType t, JobResult result) {
if (!format)
return;
+ /* The description might be longer than the buffer, but that's OK, we'll just truncate it here */
DISABLE_WARNING_FORMAT_NONLITERAL;
- xsprintf(buf, format, unit_description(u));
+ snprintf(buf, sizeof(buf), format, unit_description(u));
REENABLE_WARNING;
switch (t) {