Blame SOURCES/0171-bus-message-output-debug-information-about-offset-tr.patch
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From f6af2bfe4b353b25a61c362c3ada9be06c8f15c9 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Fri, 3 Aug 2018 18:05:27 +0200
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Subject: [PATCH] bus-message: output debug information about offset troubles
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(cherry picked from commit 0b4775b52747bebf7ecb62062798475629767044)
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Resolves: #1696224
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---
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src/libsystemd/sd-bus/bus-message.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
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index 153cdf933b..09e72d89dd 100644
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--- a/src/libsystemd/sd-bus/bus-message.c
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+++ b/src/libsystemd/sd-bus/bus-message.c
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@@ -3845,8 +3845,11 @@ static int build_struct_offsets(
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x = size - (n_variable * sz);
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offset = m->rindex + x;
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- if (offset < start)
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+ if (offset < start) {
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+ log_debug("For type %s with alignment %zu, message specifies offset %zu which is smaller than previous end %zu + alignment = %zu",
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+ t, align, offset, previous, start);
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return -EBADMSG;
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+ }
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} else
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/* Fixed size */
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offset = start + k;
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