From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Fri, 3 Aug 2018 16:05:27 +0000 (+0200)
Subject: bus-message: output debug information about offset troubles
X-Git-Tag: v240~650^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0b4775b52747bebf7ecb62062798475629767044;p=platform%2Fupstream%2Fsystemd.git

bus-message: output debug information about offset troubles
---

diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index eee8e39..7fb48cb 100644
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -3820,8 +3820,11 @@ static int build_struct_offsets(
                                         x = size - (n_variable * sz);
 
                                 offset = m->rindex + x;
-                                if (offset < start)
+                                if (offset < start) {
+                                        log_debug("For type %s with alignment %zu, message specifies offset %zu which is smaller than previous end %zu + alignment = %zu",
+                                                  t, align, offset, previous, start);
                                         return -EBADMSG;
+                                }
                         } else
                                 /* Fixed size */
                                 offset = start + k;