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authorRobert Shih <robertshih@google.com>2020-02-04 17:23:58 -0800
committerRobert Shih <robertshih@google.com>2020-03-10 13:29:13 -0700
commit4bbfb6d8815002fc79b26aebba5f3ad2226c468e (patch)
tree958f89fe190c6ef2d9ddc3cc5fec4d6f0d28389f /drm
parent58af3de44d17e6ba716178e147474a20765c1441 (diff)
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BnCrypto: fix use-before-init in CREATE_PLUGIN
Bug: 144767096 Test: poc_ICrypto_283 Merged-In: Id67dc9e793ee886e4cc49370d800c7f3580df313 Merged-In: I81ff7cde5e1693f05c90380e879f74d0c4bce5f1 Change-Id: If268553440b8a0cbbe011b5396974fd864a7d083
Diffstat (limited to 'drm')
-rw-r--r--drm/libmediadrm/ICrypto.cpp14
1 files changed, 11 insertions, 3 deletions
diff --git a/drm/libmediadrm/ICrypto.cpp b/drm/libmediadrm/ICrypto.cpp
index ee5ea936c4..7931ed755c 100644
--- a/drm/libmediadrm/ICrypto.cpp
+++ b/drm/libmediadrm/ICrypto.cpp
@@ -264,8 +264,12 @@ status_t BnCrypto::onTransact(
{
CHECK_INTERFACE(ICrypto, data, reply);
- uint8_t uuid[16];
- data.read(uuid, sizeof(uuid));
+ uint8_t uuid[16] = {0};
+ if (data.read(uuid, sizeof(uuid)) != NO_ERROR) {
+ android_errorWriteLog(0x534e4554, "144767096");
+ reply->writeInt32(BAD_VALUE);
+ return OK;
+ }
size_t opaqueSize = data.readInt32();
void *opaqueData = NULL;
@@ -280,7 +284,11 @@ status_t BnCrypto::onTransact(
return NO_MEMORY;
}
- data.read(opaqueData, opaqueSize);
+ if (data.read(opaqueData, opaqueSize) != NO_ERROR) {
+ android_errorWriteLog(0x534e4554, "144767096");
+ reply->writeInt32(BAD_VALUE);
+ return OK;
+ }
reply->writeInt32(createPlugin(uuid, opaqueData, opaqueSize));
free(opaqueData);