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// RUN: %clang_hwasan -O0 %s -o %t
// RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=0 not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CRASH
// RUN: %env_hwasan_opts=malloc_bisect_left=1000,malloc_bisect_right=999 %run %t 2>&1
// RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=4294967295 not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CRASH
// RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=4294967295,malloc_bisect_dump=1 not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefixes=CRASH,DUMP
#include <stdlib.h>
#include <stdio.h>
#include <sanitizer/hwasan_interface.h>
int main() {
__hwasan_enable_allocator_tagging();
// DUMP: [alloc] {{.*}} 10{{$}}
// DUMP: in main{{.*}}malloc_bisect.c
char * volatile p = (char*)malloc(10);
// CRASH: HWAddressSanitizer: tag-mismatch on address
// CRASH: in main{{.*}}malloc_bisect.c
char volatile x = p[16];
free(p);
__hwasan_disable_allocator_tagging();
return 0;
}
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