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37 lines
1.6 KiB
Diff
37 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Hui Peng <phui@google.com>
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Date: Wed, 29 Nov 2023 00:53:33 +0000
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Subject: [PATCH] Fix an OOB bug in btif_to_bta_response and
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attp_build_value_cmd
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this is a backport of Iefa66f3a293ac2072ba79853a9ec23cdfe4c1368
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Bug: 276898739
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Test: manual
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Tag: #security
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Ignore-AOSP-First: security
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:138120c65f9b5a03d462d01da9c5c7f71c875e1e)
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Merged-In: Ia13e47e416d43243e90fb1430f65ae68c50f9ff3
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Change-Id: Ia13e47e416d43243e90fb1430f65ae68c50f9ff3
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---
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btif/src/btif_gatt_util.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/btif/src/btif_gatt_util.c b/btif/src/btif_gatt_util.c
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index c93d866b4..4edc7cf29 100644
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--- a/btif/src/btif_gatt_util.c
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+++ b/btif/src/btif_gatt_util.c
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@@ -113,9 +113,10 @@ void btif_to_bta_response(tBTA_GATTS_RSP *p_dest, btgatt_response_t* p_src)
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{
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p_dest->attr_value.auth_req = p_src->attr_value.auth_req;
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p_dest->attr_value.handle = p_src->attr_value.handle;
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- p_dest->attr_value.len = p_src->attr_value.len;
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+ p_dest->attr_value.len = (p_dest->attr_value.len < GATT_MAX_ATTR_LEN) ?
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+ p_dest->attr_value.len : GATT_MAX_ATTR_LEN;
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p_dest->attr_value.offset = p_src->attr_value.offset;
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- memcpy(p_dest->attr_value.value, p_src->attr_value.value, GATT_MAX_ATTR_LEN);
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+ memcpy(p_dest->attr_value.value, p_src->attr_value.value, p_dest->attr_value.len);
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}
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void btif_to_bta_uuid_mask(tBTA_DM_BLE_PF_COND_MASK *p_mask, bt_uuid_t *p_src)
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