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af360bc9ea
wgetc873988898.patch -O telecomm-01.patch wget0fb5786dbf.patch -O mediaprovider-01.patch wget1a4b9ef510.patch -O wifi-01.patch wget364a1d9962.patch -O bluetooth-01.patch wget87a06448b9.patch -O settings-01.patch wgetaaba724a68.patch -O settings-02.patch wget507304e1f5.patch -O native-01.patch wget89489ff5dd.patch -O base-01.patch wgetd1765c4715.patch -O base-02.patch wgetcbb1a0ecd6.patch -O base-03.patch wget4725772c0b.patch -O base-04.patch wget19747f6923.patch -O base-05.patch wgete7a1aa9ed0.patch -O base-06.patch wget922a7860b1.patch -O base-07.patch wgeted183ed912.patch -O base-08.patch wgetc6fbe1330a.patch -O base-09.patch wget9141cac175.patch -O base-10.patch wget41235bcc67.patch -O av-01.patch wgeta89f704701.patch -O av-02.patch wget6d7cd80d77.patch -O av-03.patch wget75fc175a08.patch -O av-04.patch wgetb023ec300f.patch -O av-05.patch wgetc8117d1539.patch -O av-06.patch wgetf06d23d824.patch -O av-07.patch wget9c7408ab07.patch -O av-08.patch wgetcfbfcefb3c.patch -O launcher-01.patch wget4a27a7f162.patch -O libxml-01.patch Signed-off-by: Tad <tad@spotco.us>
50 lines
2.4 KiB
Diff
50 lines
2.4 KiB
Diff
From 41235bcc67a2122bc1d6a4d19e8356b3d1ada91e Mon Sep 17 00:00:00 2001
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From: Kyle Zhang <kelzhan@google.com>
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Date: Fri, 10 Mar 2023 00:06:16 +0000
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Subject: [PATCH] Fix mSession NULL dereference
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Bug: 230793853
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Test: clearkeyV1.4_fuzzer
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Change-Id: I3f11b133a4854a9ef896c9f5042bd719527c3fa6
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---
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drm/mediadrm/plugins/clearkey/aidl/CryptoPlugin.cpp | 3 +++
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drm/mediadrm/plugins/clearkey/hidl/CryptoPlugin.cpp | 4 ++++
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2 files changed, 7 insertions(+)
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diff --git a/drm/mediadrm/plugins/clearkey/aidl/CryptoPlugin.cpp b/drm/mediadrm/plugins/clearkey/aidl/CryptoPlugin.cpp
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index afc9b6a9a4..a63471fd53 100644
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--- a/drm/mediadrm/plugins/clearkey/aidl/CryptoPlugin.cpp
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+++ b/drm/mediadrm/plugins/clearkey/aidl/CryptoPlugin.cpp
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@@ -137,6 +137,8 @@ ::ndk::ScopedAStatus CryptoPlugin::decrypt(const DecryptArgs& in_args, int32_t*
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*_aidl_return = static_cast<ssize_t>(offset);
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return toNdkScopedAStatus(Status::OK);
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} else if (in_args.mode == Mode::AES_CTR) {
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+ if (!mSession) return toNdkScopedAStatus(Status::ERROR_DRM_CANNOT_HANDLE,
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+ "session not found");
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size_t bytesDecrypted{};
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std::vector<int32_t> clearDataLengths;
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std::vector<int32_t> encryptedDataLengths;
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@@ -149,6 +151,7 @@ ::ndk::ScopedAStatus CryptoPlugin::decrypt(const DecryptArgs& in_args, int32_t*
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detailedError = "invalid decrypt parameter size";
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return toNdkScopedAStatus(Status::ERROR_DRM_CANNOT_HANDLE, detailedError);
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}
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+
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auto res =
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mSession->decrypt(in_args.keyId.data(), in_args.iv.data(),
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srcPtr, static_cast<uint8_t*>(destPtr),
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diff --git a/drm/mediadrm/plugins/clearkey/hidl/CryptoPlugin.cpp b/drm/mediadrm/plugins/clearkey/hidl/CryptoPlugin.cpp
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index 7bc320db6b..64a43b0af7 100644
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--- a/drm/mediadrm/plugins/clearkey/hidl/CryptoPlugin.cpp
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+++ b/drm/mediadrm/plugins/clearkey/hidl/CryptoPlugin.cpp
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@@ -211,6 +211,10 @@ Return<void> CryptoPlugin::decrypt_1_2(
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_hidl_cb(Status_V1_2::ERROR_DRM_CANNOT_HANDLE, 0, "invalid decrypt parameter size");
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return Void();
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}
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+ if (!mSession) {
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+ _hidl_cb(Status_V1_2::ERROR_DRM_CANNOT_HANDLE, 0, "session not found");
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+ return Void();
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+ }
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Status_V1_2 res = mSession->decrypt(keyId.data(), iv.data(), srcPtr,
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static_cast<uint8_t*>(destPtr), toVector(subSamples), &bytesDecrypted);
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if (res == Status_V1_2::OK) {
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