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author | Chad Brubaker <cbrubaker@google.com> | 2015-08-03 18:09:22 +0000 |
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committer | Android Git Automerger <android-git-automerger@android.com> | 2015-08-03 18:09:22 +0000 |
commit | 853b8d7984673976f943fc1664012598cb040696 (patch) | |
tree | 7b7a98657e51cf1dfe99324dd10da386d98d45c4 | |
parent | 9976480a6e7fc53b40f0fe97aac29aa297bfd1b7 (diff) | |
parent | fd1ad3790fb089485cf7afc07f8b9f53d4c3136a (diff) | |
download | android_system_security-853b8d7984673976f943fc1664012598cb040696.tar.gz android_system_security-853b8d7984673976f943fc1664012598cb040696.tar.bz2 android_system_security-853b8d7984673976f943fc1664012598cb040696.zip |
am fd1ad379: am 1c73457a: am b124c9e8: Fix unchecked length in Blob creation
* commit 'fd1ad3790fb089485cf7afc07f8b9f53d4c3136a':
Fix unchecked length in Blob creation
-rw-r--r-- | keystore/keystore.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/keystore/keystore.cpp b/keystore/keystore.cpp index 63f7ee2..58d2fd6 100644 --- a/keystore/keystore.cpp +++ b/keystore/keystore.cpp @@ -485,8 +485,16 @@ static const uint8_t CURRENT_BLOB_VERSION = 2; class Blob { public: - Blob(const uint8_t* value, int32_t valueLength, const uint8_t* info, uint8_t infoLength, + Blob(const uint8_t* value, size_t valueLength, const uint8_t* info, uint8_t infoLength, BlobType type) { + if (valueLength > sizeof(mBlob.value)) { + valueLength = sizeof(mBlob.value); + ALOGW("Provided blob length too large"); + } + if (infoLength + valueLength > sizeof(mBlob.value)) { + infoLength = sizeof(mBlob.value) - valueLength; + ALOGW("Provided info length too large"); + } mBlob.length = valueLength; memcpy(mBlob.value, value, valueLength); |