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34 lines
1.2 KiB
Diff
34 lines
1.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Josh Wu <joshwu@google.com>
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Date: Fri, 29 Apr 2022 00:02:23 -0700
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Subject: [PATCH] Security: Fix out of bound read in AT_SKIP_REST
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Bug: 220732646
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Test: build
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Tag: #security
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Ignore-AOSP-First: Security bug
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Change-Id: Ia49f26e4979f9e57c448190a52d0d01b70e342c4
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(cherry picked from commit 4ce5a3c374fb5d24f367a202a6a3dcab4ba4dffd)
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Merged-In: Ia49f26e4979f9e57c448190a52d0d01b70e342c4
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---
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bta/hf_client/bta_hf_client_at.cc | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/bta/hf_client/bta_hf_client_at.cc b/bta/hf_client/bta_hf_client_at.cc
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index 9489b5111..6c52edadc 100644
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--- a/bta/hf_client/bta_hf_client_at.cc
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+++ b/bta/hf_client/bta_hf_client_at.cc
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@@ -787,9 +787,9 @@ void bta_hf_client_binp(tBTA_HF_CLIENT_CB* client_cb, char* number) {
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} while (0)
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/* skip rest of AT string up to <cr> */
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-#define AT_SKIP_REST(buf) \
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- do { \
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- while (*(buf) != '\r') (buf)++; \
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+#define AT_SKIP_REST(buf) \
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+ do { \
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+ while (*(buf) != '\r' && *(buf) != '\0') (buf)++; \
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} while (0)
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static char* bta_hf_client_parse_ok(tBTA_HF_CLIENT_CB* client_cb,
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