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From af43906bb0c8f2bb3b135d68d56ea2fa58fa9e60 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Wed, 5 Dec 2018 17:33:15 +0100
Subject: [PATCH] coredump: remove duplicate MESSAGE= prefix from message

systemd-coredump[9982]: MESSAGE=Process 771 (systemd-journal) of user 0 dumped core.
systemd-coredump[9982]: Coredump diverted to /var/lib/systemd/coredump/core...

log_dispatch() calls log_dispatch_internal() which calls write_to_journal()
which appends MESSAGE= on its own.

(cherry-picked from commit 4f62556d71206ac814a020a954b397d4940e14c3)

Related: #1664976
---
 src/coredump/coredump.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/coredump/coredump.c b/src/coredump/coredump.c
index 20a1cbdd4..d7dd81c1b 100644
--- a/src/coredump/coredump.c
+++ b/src/coredump/coredump.c
@@ -789,9 +789,10 @@ log:
                 return log_oom();
 
         if (journald_crash) {
-                /* We cannot log to the journal, so just print the MESSAGE.
+                /* We cannot log to the journal, so just print the message.
                  * The target was set previously to something safe. */
-                log_dispatch(LOG_ERR, 0, core_message);
+                assert(startswith(core_message, "MESSAGE="));
+                log_dispatch(LOG_ERR, 0, core_message + strlen("MESSAGE="));
                 return 0;
         }