4afd286022
It broke tests on Mac, see comment on the PR. > Use more flexable regex ([0-9]+) for frame number checks. Since the > frame numbers might change if some functions are not inlined. > > Similar to > * >0360f3218a> * >404bc5ca2aThis reverts commit 98174fb6ec9784d9eb7be313ee1317ca6e703d90 and the follow-up commit 86d8aec97fd9e009e9b360ffeee744d3acce730d.
28 lines
1.2 KiB
C++
28 lines
1.2 KiB
C++
// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
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// REQUIRES: stable-runtime
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// Test use-after-free report in the case when access is at the right border of
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// the allocation.
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#include <stdlib.h>
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int main() {
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volatile char *x = (char*)malloc(sizeof(char));
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free((void*)x);
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*x = 42;
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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: {{WRITE of size 1 at 0x.* thread T0}}
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// CHECK: {{ #0 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-4]]
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// CHECK: {{0x.* is located 0 bytes inside of 1-byte region .0x.*,0x.*}}
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// CHECK: {{freed by thread T0 here:}}
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// CHECK: {{ #0 0x.* in .*free}}
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// CHECK: {{ #[1-3] 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-9]]
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// CHECK: {{previously allocated by thread T0 here:}}
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// CHECK: {{ #0 0x.* in .*malloc}}
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// CHECK: {{ #[1-3] 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-14]]
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}
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