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bluez/hcidump-Fixed-malformed-segment-frame-length.patch

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From da04ba5e6b3f151c1644a17ac0fa2317ebc81edd Mon Sep 17 00:00:00 2001
From: "Cho, Yu-Chen" <acho@suse.com>
Date: Tue, 15 Oct 2019 15:45:43 +0800
Subject: [PATCH] hcidump: Fixed malformed segment frame length
Ensure the L2CAP SDUs whose length field match the actual frame length.
---
tools/parser/l2cap.c | 5 +++++
1 file changed, 5 insertions(+)
Index: bluez-5.60/tools/parser/l2cap.c
===================================================================
--- bluez-5.60.orig/tools/parser/l2cap.c
+++ bluez-5.60/tools/parser/l2cap.c
@@ -759,6 +759,11 @@ static inline void conf_rsp(int level, l
scid, btohs(h->flags), result, clen);
if (clen > 0) {
+ if (clen != (btohs(frm->len) - L2CAP_CONF_RSP_SIZE)) {
+ fprintf(stderr, "Not match the actual frame length\n");
+ clen = btohs(frm->len) - L2CAP_CONF_RSP_SIZE;
+ }
+
if (result) {
p_indent(level + 1, frm);
printf("%s\n", confresult2str(result));