wasm_application.c: Avoid null pointer dereference (#3620)

bytecodealliance · Jul 12, 2024 · 7affac0 · 7affac0
1 parent c254bff
commit 7affac0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/iwasm/common/wasm_application.c b/core/iwasm/common/wasm_application.c
@@ -513,7 +513,7 @@ execute_func(WASMModuleInstanceCommon *module_inst, const char *name,
                         bh_memcpy_s(&u.val, sizeof(double), &ud.d,
                                     sizeof(double));
                     }
-                    if (endptr[0] == ':') {
+                    if (endptr && endptr[0] == ':') {
                         uint64 sig;
                         union ieee754_double ud;
                         sig = strtoull(endptr + 1, &endptr, 0);