1f46a52b5SEvgeniy Stepanov // https://github.com/google/sanitizers/issues/925 2f46a52b5SEvgeniy Stepanov // RUN: %clang_hwasan -O0 %s -o %t && %run %t 2>&1 3f46a52b5SEvgeniy Stepanov 4*847fa84bSAlexey Baturo // REQUIRES: aarch64-target-arch || x86_64-target-arch || riscv64-target-arch 5b7d1ab75SMatt Morehouse // REQUIRES: pointer-tagging 696a4167bSMatt Morehouse 7f46a52b5SEvgeniy Stepanov #include <assert.h> 8f46a52b5SEvgeniy Stepanov #include <sys/types.h> 9f46a52b5SEvgeniy Stepanov #include <sys/wait.h> 10f46a52b5SEvgeniy Stepanov #include <unistd.h> 11f46a52b5SEvgeniy Stepanov #include <stdio.h> 12f46a52b5SEvgeniy Stepanov #include <sanitizer/hwasan_interface.h> 13f46a52b5SEvgeniy Stepanov child()14f46a52b5SEvgeniy Stepanov__attribute__((noinline, no_sanitize("hwaddress"))) void child() { 15f46a52b5SEvgeniy Stepanov char x[10000]; 16f46a52b5SEvgeniy Stepanov __hwasan_tag_memory(x, 0xAA, sizeof(x)); 17f46a52b5SEvgeniy Stepanov _exit(0); 18f46a52b5SEvgeniy Stepanov } 19f46a52b5SEvgeniy Stepanov parent()20f46a52b5SEvgeniy Stepanov__attribute__((noinline, no_sanitize("hwaddress"))) void parent() { 21f46a52b5SEvgeniy Stepanov char x[10000]; 22f46a52b5SEvgeniy Stepanov __hwasan_print_shadow(&x, sizeof(x)); 23f46a52b5SEvgeniy Stepanov assert(__hwasan_test_shadow(x, sizeof(x)) == -1); 24f46a52b5SEvgeniy Stepanov } 25f46a52b5SEvgeniy Stepanov main(int argc,char ** argv)26f46a52b5SEvgeniy Stepanovint main(int argc, char **argv) { 27f46a52b5SEvgeniy Stepanov if (vfork()) 28f46a52b5SEvgeniy Stepanov parent(); 29f46a52b5SEvgeniy Stepanov else 30f46a52b5SEvgeniy Stepanov child(); 31f46a52b5SEvgeniy Stepanov 32f46a52b5SEvgeniy Stepanov return 0; 33f46a52b5SEvgeniy Stepanov } 34