diff options
Diffstat (limited to 'libutils/JenkinsHash.cpp')
| -rw-r--r-- | libutils/JenkinsHash.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libutils/JenkinsHash.cpp b/libutils/JenkinsHash.cpp index 52c9bb7df..ff5d252a4 100644 --- a/libutils/JenkinsHash.cpp +++ b/libutils/JenkinsHash.cpp @@ -19,10 +19,14 @@ * should still be quite good. **/ +#include <stdlib.h> #include <utils/JenkinsHash.h> namespace android { +#ifdef __clang__ +__attribute__((no_sanitize("integer"))) +#endif hash_t JenkinsHashWhiten(uint32_t hash) { hash += (hash << 3); hash ^= (hash >> 11); @@ -31,6 +35,9 @@ hash_t JenkinsHashWhiten(uint32_t hash) { } uint32_t JenkinsHashMixBytes(uint32_t hash, const uint8_t* bytes, size_t size) { + if (size > UINT32_MAX) { + abort(); + } hash = JenkinsHashMix(hash, (uint32_t)size); size_t i; for (i = 0; i < (size & -4); i += 4) { @@ -47,6 +54,9 @@ uint32_t JenkinsHashMixBytes(uint32_t hash, const uint8_t* bytes, size_t size) { } uint32_t JenkinsHashMixShorts(uint32_t hash, const uint16_t* shorts, size_t size) { + if (size > UINT32_MAX) { + abort(); + } hash = JenkinsHashMix(hash, (uint32_t)size); size_t i; for (i = 0; i < (size & -2); i += 2) { |
