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openSUSE:Step:15-SP4
bluez.20473
hcidump-Fixed-malformed-segment-frame-length.patch
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File hcidump-Fixed-malformed-segment-frame-length.patch of Package bluez.20473
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-5.54/tools/parser/l2cap.c =================================================================== --- bluez-5.54.orig/tools/parser/l2cap.c +++ bluez-5.54/tools/parser/l2cap.c @@ -772,6 +772,11 @@ 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));
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