From 0b4775b52747bebf7ecb62062798475629767044 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= Date: Fri, 3 Aug 2018 18:05:27 +0200 Subject: [PATCH] bus-message: output debug information about offset troubles --- 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 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; -- 2.7.4