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30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Brian Delwiche <delwiche@google.com>
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Date: Fri, 12 Aug 2022 17:26:19 +0000
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Subject: [PATCH] Add negative length check in process_service_search_rsp
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Bug: 225876506
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Test: run supplied POC (updated to Android T)
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Tag: #security
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Ignore-AOSP-First: Security
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Change-Id: I0054806e47ed9d6eb8b034a41c8c872fee7f1eca
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(cherry picked from commit 18d69eb958493d4879786e2edb42ff4e60334a2f)
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Merged-In: I0054806e47ed9d6eb8b034a41c8c872fee7f1eca
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---
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stack/sdp/sdp_discovery.cc | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/stack/sdp/sdp_discovery.cc b/stack/sdp/sdp_discovery.cc
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index dcacda832..11491f790 100644
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--- a/stack/sdp/sdp_discovery.cc
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+++ b/stack/sdp/sdp_discovery.cc
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@@ -289,7 +289,7 @@ static void process_service_search_rsp(tCONN_CB* p_ccb, uint8_t* p_reply,
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orig = p_ccb->num_handles;
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p_ccb->num_handles += cur_handles;
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- if (p_ccb->num_handles == 0) {
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+ if (p_ccb->num_handles == 0 || p_ccb->num_handles < orig) {
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SDP_TRACE_WARNING("SDP - Rcvd ServiceSearchRsp, no matches");
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sdp_disconnect(p_ccb, SDP_NO_RECS_MATCH);
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return;
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