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35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Alisher Alikhodjaev <alisher@google.com>
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Date: Tue, 2 May 2023 14:20:57 -0700
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Subject: [PATCH] OOBW in rw_i93_send_to_upper()
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Bug: 271849189
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Test: tag r/w
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:dc9d09e1698725712628d394bf9be4c9003579e8)
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Merged-In: I1d55954e56a3f995f8dd48bf484fe9fce02b2ed1
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Change-Id: I1d55954e56a3f995f8dd48bf484fe9fce02b2ed1
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---
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src/nfc/tags/rw_i93.cc | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/src/nfc/tags/rw_i93.cc b/src/nfc/tags/rw_i93.cc
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index acf28a6..232a4dd 100644
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--- a/src/nfc/tags/rw_i93.cc
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+++ b/src/nfc/tags/rw_i93.cc
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@@ -507,6 +507,15 @@ void rw_i93_send_to_upper(NFC_HDR* p_resp) {
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case I93_CMD_GET_MULTI_BLK_SEC:
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case I93_CMD_EXT_GET_MULTI_BLK_SEC:
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+ if (UINT16_MAX - length < NFC_HDR_SIZE) {
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+ rw_data.i93_cmd_cmpl.status = NFC_STATUS_FAILED;
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+ rw_data.i93_cmd_cmpl.command = p_i93->sent_cmd;
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+ rw_cb.tcb.i93.sent_cmd = 0;
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+
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+ event = RW_I93_CMD_CMPL_EVT;
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+ break;
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+ }
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+
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/* forward tag data or security status */
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p_buff = (NFC_HDR*)GKI_getbuf((uint16_t)(length + NFC_HDR_SIZE));
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