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150
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1 // RUN: %clang_hwasan -O0 %s -o %t
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2 // RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=0 not %run %t 2>&1 | \
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3 // RUN: FileCheck %s --check-prefix=CRASH
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4 // RUN: %env_hwasan_opts=malloc_bisect_left=1000,malloc_bisect_right=999 %run %t 2>&1
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5 // RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=4294967295 not %run %t 2>&1 | \
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6 // RUN: FileCheck %s --check-prefix=CRASH
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7 // RUN: %env_hwasan_opts=malloc_bisect_left=0,malloc_bisect_right=4294967295,malloc_bisect_dump=1 not %run %t 2>&1 | \
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8 // RUN: FileCheck %s --check-prefixes=CRASH,DUMP
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9
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10 #include <stdlib.h>
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11 #include <stdio.h>
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12 #include <sanitizer/hwasan_interface.h>
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13
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14 int main() {
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15 __hwasan_enable_allocator_tagging();
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16 // DUMP: [alloc] {{.*}} 10{{$}}
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17 // DUMP: in main{{.*}}malloc_bisect.c
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18 char * volatile p = (char*)malloc(10);
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19 // CRASH: HWAddressSanitizer: tag-mismatch on address
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20 // CRASH: in main{{.*}}malloc_bisect.c
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21 char volatile x = p[16];
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22 free(p);
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23 __hwasan_disable_allocator_tagging();
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24
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25 return 0;
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26 }
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