DivestOS/Patches/LineageOS-14.1/android_external_libnfc-nci/332458.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Alisher Alikhodjaev <alisher@google.com>
Date: Thu, 17 Mar 2022 15:39:20 -0700
Subject: [PATCH] Out of Bounds Read in nfa_dm_check_set_config

Bug: 221216105
Test: build ok
Change-Id: I1930de8531f6c15e6be400a7b1ab3e7cf86b4229
(cherry picked from commit 88c5c267e889699c71412022e3fcb03d20100e99)
Merged-In: I1930de8531f6c15e6be400a7b1ab3e7cf86b4229
---
 src/nfa/dm/nfa_dm_main.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/nfa/dm/nfa_dm_main.c b/src/nfa/dm/nfa_dm_main.c
index e146009..3f21261 100644
--- a/src/nfa/dm/nfa_dm_main.c
+++ b/src/nfa/dm/nfa_dm_main.c
@@ -28,6 +28,7 @@
 #include "nfa_sys.h"
 #include "nfa_dm_int.h"
 #include "nfa_sys_int.h"
+#include <log/log.h>
 
 
 /*****************************************************************************
@@ -247,6 +248,13 @@ tNFA_STATUS nfa_dm_check_set_config (UINT8 tlv_list_len, UINT8 *p_tlv_list, BOOL
         len     = *(p_tlv_list + xx + 1);
         p_value = p_tlv_list + xx + 2;
         p_cur_len = NULL;
+        if (len > (tlv_list_len - xx - 2))
+        {
+            NFA_TRACE_ERROR2 ("error: invalid TLV length: t:0x%x, l:%d",
+                                       type, len);
+            android_errorWriteLog(0x534e4554, "221216105");
+            return NFA_STATUS_FAILED;
+        }
 
         switch (type)
         {