Merge "Turn off integer overflow UBSAN checks for hash functions" into main (3b1cd386) · Commits · e / os / platform_frameworks_native

libs/ui/DisplayIdentification.cpp

+3 −1

Original line number	Diff line number	Diff line
		@@ -47,6 +47,7 @@ uint64_t shiftMix(uint64_t val) {
		return val ^ (val >> 47);
		}

		__attribute__((no_sanitize("unsigned-integer-overflow")))
		uint64_t hash64Len16(uint64_t u, uint64_t v) {
		constexpr uint64_t kMul = 0x9ddfea08eb382d69;
		uint64_t a = (u ^ v) * kMul;
		@@ -57,6 +58,7 @@ uint64_t hash64Len16(uint64_t u, uint64_t v) {
		return b;
		}

		__attribute__((no_sanitize("unsigned-integer-overflow")))
		uint64_t hash64Len0To16(const char* s, uint64_t len) {
		constexpr uint64_t k2 = 0x9ae16a3b2f90404f;
		constexpr uint64_t k3 = 0xc949d7c7509e6557;