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36 lines
1.6 KiB
36 lines
1.6 KiB
4 months ago
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// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
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// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
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// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
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// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
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// REQUIRES: stable-runtime
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#include <stdlib.h>
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int main() {
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char *x = (char*)malloc(10 * sizeof(char));
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free(x);
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return x[5];
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// CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
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// CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}}
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// CHECK: {{READ of size 1 at 0x.* thread T0}}
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// CHECK: {{ #0 0x.* in main .*use-after-free.cpp:}}[[@LINE-4]]
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// CHECK: {{0x.* is located 5 bytes inside of 10-byte region .0x.*,0x.*}}
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// CHECK: {{freed by thread T0 here:}}
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// CHECK-Linux: {{ #0 0x.* in .*free}}
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// CHECK-Linux: {{ #1 0x.* in main .*use-after-free.cpp:}}[[@LINE-10]]
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// CHECK-Darwin: {{ #0 0x.* in wrap_free}}
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// CHECK-Darwin: {{ #1 0x.* in main .*use-after-free.cpp:}}[[@LINE-13]]
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// CHECK: {{previously allocated by thread T0 here:}}
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// CHECK-Linux: {{ #0 0x.* in .*malloc}}
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// CHECK-Linux: {{ #1 0x.* in main .*use-after-free.cpp:}}[[@LINE-19]]
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// CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}}
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// CHECK-Darwin: {{ #1 0x.* in main .*use-after-free.cpp:}}[[@LINE-22]]
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// CHECK: Shadow byte legend (one shadow byte represents {{[0-9]+}} application bytes):
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// CHECK: Global redzone:
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// CHECK: ASan internal:
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}
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