systemd/0171-bus-message-output-debug-information-about-offset-tr.patch

30 lines
1.4 KiB
Diff

From f6af2bfe4b353b25a61c362c3ada9be06c8f15c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Fri, 3 Aug 2018 18:05:27 +0200
Subject: [PATCH] bus-message: output debug information about offset troubles
(cherry picked from commit 0b4775b52747bebf7ecb62062798475629767044)
Resolves: #1696224
---
src/libsystemd/sd-bus/bus-message.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index 153cdf933b..09e72d89dd 100644
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -3845,8 +3845,11 @@ 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;