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Diffstat (limited to 'lib/Fuzzer/test/SimpleCmpTest.cpp')
-rw-r--r-- | lib/Fuzzer/test/SimpleCmpTest.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/Fuzzer/test/SimpleCmpTest.cpp b/lib/Fuzzer/test/SimpleCmpTest.cpp new file mode 100644 index 000000000000..8568c737efb1 --- /dev/null +++ b/lib/Fuzzer/test/SimpleCmpTest.cpp @@ -0,0 +1,31 @@ +// Simple test for a fuzzer. The fuzzer must find several narrow ranges. +#include <cstdint> +#include <cstdlib> +#include <cstring> +#include <cstdio> + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + if (Size < 14) return 0; + uint64_t x = 0; + int64_t y = 0; + int z = 0; + unsigned short a = 0; + memcpy(&x, Data, 8); + memcpy(&y, Data + Size - 8, 8); + memcpy(&z, Data + Size / 2, sizeof(z)); + memcpy(&a, Data + Size / 2 + 4, sizeof(a)); + + if (x > 1234567890 && + x < 1234567895 && + y >= 987654321 && + y <= 987654325 && + z < -10000 && + z >= -10005 && + z != -10003 && + a == 4242) { + fprintf(stderr, "BINGO; Found the target: size %zd (%zd, %zd, %d, %d), exiting.\n", + Size, x, y, z, a); + exit(1); + } + return 0; +} |