| 1 | // Test reports dedupication for recovery mode. |
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| 2 | // |
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| 3 | // RUN: %clang_asan -fsanitize-recover=address %s -o %t |
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| 4 | // |
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| 5 | // Check for reports dedupication. |
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| 6 | // RUN: %env_asan_opts=halt_on_error=false %run %t 2>&1 | FileCheck %s |
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| 7 | // |
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| 8 | // Check that we die after reaching different reports number threshold. |
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| 9 | // RUN: %env_asan_opts=halt_on_error=false not %run %t 1 >%t1.log 2>&1 |
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| 10 | // RUN: grep 'ERROR: AddressSanitizer: stack-buffer-overflow' %t1.log | count 25 |
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| 11 | // |
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| 12 | // Check suppress_equal_pcs=true behavior is equal to default one. |
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| 13 | // RUN: %env_asan_opts=halt_on_error=false:suppress_equal_pcs=true %run %t 2>&1 | FileCheck %s |
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| 14 | // |
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| 15 | // Check suppress_equal_pcs=false behavior isn't equal to default one. |
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| 16 | // RUN: rm -f %t2.log |
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| 17 | // RUN: %env_asan_opts=halt_on_error=false:suppress_equal_pcs=false %run %t >%t2.log 2>&1 |
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| 18 | // RUN: grep 'ERROR: AddressSanitizer: stack-buffer-overflow' %t2.log | count 30 |
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| 19 | |
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| 20 | #define ACCESS_ARRAY_FIVE_ELEMENTS(array, i) \ |
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| 21 | array[i] = i; \ |
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| 22 | array[i + 1] = i + 1; \ |
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| 23 | array[i + 2] = i + 2; \ |
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| 24 | array[i + 3] = i + 3; \ |
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| 25 | array[i + 4] = i + 4; \ |
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| 26 | |
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| 27 | volatile int ten = 10; |
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| 28 | unsigned kNumIterations = 10; |
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| 29 | |
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| 30 | int main(int argc, char **argv) { |
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| 31 | char a[10]; |
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| 32 | char b[10]; |
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| 33 | |
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| 34 | if (argc == 1) { |
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| 35 | for (int i = 0; i < kNumIterations; ++i) { |
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| 36 | // CHECK: READ of size 1 |
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| 37 | volatile int res = a[ten + i]; |
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| 38 | // CHECK: WRITE of size 1 |
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| 39 | a[i + ten] = res + 3; |
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| 40 | // CHECK: READ of size 1 |
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| 41 | res = a[ten + i]; |
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| 42 | // CHECK-NOT: ERROR |
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| 43 | } |
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| 44 | } else { |
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| 45 | for (int i = 0; i < kNumIterations; ++i) { |
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| 46 | ACCESS_ARRAY_FIVE_ELEMENTS(a, ten); |
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| 47 | ACCESS_ARRAY_FIVE_ELEMENTS(a, ten + 5); |
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| 48 | ACCESS_ARRAY_FIVE_ELEMENTS(a, ten + 10); |
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| 49 | ACCESS_ARRAY_FIVE_ELEMENTS(b, ten); |
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| 50 | ACCESS_ARRAY_FIVE_ELEMENTS(b, ten + 5); |
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| 51 | ACCESS_ARRAY_FIVE_ELEMENTS(b, ten + 10); |
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| 52 | } |
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| 53 | } |
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| 54 | return 0; |
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| 55 | } |
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| 56 | |
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| 57 | |
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