alignment-assumption-blacklist.cpp
798 Bytes
// RUN: %clang -fsanitize=alignment -fno-sanitize-recover=alignment -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --implicit-check-not=" assumption "
// RUN: rm -f %tmp
// RUN: echo "[alignment]" >> %tmp
// RUN: echo "fun:main" >> %tmp
// RUN: %clang -fsanitize=alignment -fno-sanitize-recover=alignment -fsanitize-blacklist=%tmp -O0 %s -o %t && %run %t 2>&1
#include <stdlib.h>
int main(int argc, char* argv[]) {
char *ptr = (char *)malloc(2);
__builtin_assume_aligned(ptr + 1, 0x8000);
// CHECK: {{.*}}alignment-assumption-blacklist.cpp:[[@LINE-1]]:32: runtime error: assumption of 32768 byte alignment for pointer of type 'char *' failed
// CHECK: 0x{{.*}}: note: address is {{.*}} aligned, misalignment offset is {{.*}} byte
free(ptr);
return 0;
}