updating data pointer

Author: Sriya Pratipati

libc/fuzzing/math/exp10_fuzz.cpp

@@ -22,7 +22,10 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   mpfr_init2(input, 53);
   for (size_t i = 0; i < size / sizeof(double); ++i) {
     double x;
-    std::memcpy(&x, data, sizeof(double)); // remove NaN and inf
+    std::memcpy(&x, data, sizeof(double));
+    data += sizeof(double);
+
+    // remove NaN and inf
     if (isnan(x) || isinf(x))
       return 0;
     // signed zeros already tested in unit tests

libc/fuzzing/math/exp2_fuzz.cpp

@@ -23,6 +23,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   for (size_t i = 0; i < size / sizeof(double); ++i) {
     double x;
     std::memcpy(&x, data, sizeof(double));
+    data += sizeof(double);
+
     // remove NaN and inf
     if (isnan(x) || isinf(x))
       return 0;

libc/fuzzing/math/exp_fuzz.cpp

@@ -23,6 +23,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   for (size_t i = 0; i < size / sizeof(double); ++i) {
     double x;
     std::memcpy(&x, data, sizeof(double));
+    data += sizeof(double);
+
     // remove NaN and inf
     if (isnan(x) || isinf(x))
       return 0;

libc/fuzzing/math/expm1_fuzz.cpp

@@ -23,6 +23,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
   for (size_t i = 0; i < size / sizeof(double); ++i) {
     double x;
     std::memcpy(&x, data, sizeof(double));
+    data += sizeof(double);
+
     // remove NaN and inf
     if (isnan(x) || isinf(x))
       return 0;