31 lines · c
1// RUN: %clang_hwasan -O0 %s -o %t2// RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=0 not %run %t 2>&1 | \3// RUN: FileCheck %s --check-prefix=CRASH4// RUN: %env_hwasan_opts=malloc_bisect_left=1000,malloc_bisect_right=999 %run %t 2>&15// RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=4294967295 not %run %t 2>&1 | \6// RUN: FileCheck %s --check-prefix=CRASH7// RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=4294967295,malloc_bisect_dump=1 not %run %t 2>&1 | \8// RUN: FileCheck %s --check-prefixes=CRASH,DUMP9 10// FIXME: Recursive call into malloc from stack->Print(). Or maybe this feature11// needs to be removed. We don't use it, but it's in the hot code.12// UNSUPPORTED: internal_symbolizer13 14#include <stdlib.h>15#include <stdio.h>16#include <sanitizer/hwasan_interface.h>17 18int main() {19 __hwasan_enable_allocator_tagging();20 // DUMP: [alloc] {{.*}} 10{{$}}21 // DUMP: in main{{.*}}malloc_bisect.c22 char * volatile p = (char*)malloc(10);23 // CRASH: HWAddressSanitizer: tag-mismatch on address24 // CRASH: in main{{.*}}malloc_bisect.c25 char volatile x = p[16];26 free(p);27 __hwasan_disable_allocator_tagging();28 29 return 0;30}31