| 1 | // Test the ignorelist functionality of ASan |
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| 2 | |
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| 3 | // RUN: echo "fun:*brokenFunction*" > %tmp |
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| 4 | // RUN: echo "global:*badGlobal*" >> %tmp |
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| 5 | // RUN: echo "src:*ignorelist-extra.cpp" >> %tmp |
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| 6 | // RUN: %clangxx_asan -fsanitize-ignorelist=%tmp -O0 %s -o %t \ |
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| 7 | // RUN: %p/Helpers/ignorelist-extra.cpp && %run %t 2>&1 |
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| 8 | // RUN: %clangxx_asan -fsanitize-ignorelist=%tmp -O1 %s -o %t \ |
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| 9 | // RUN: %p/Helpers/ignorelist-extra.cpp && %run %t 2>&1 |
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| 10 | // RUN: %clangxx_asan -fsanitize-ignorelist=%tmp -O2 %s -o %t \ |
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| 11 | // RUN: %p/Helpers/ignorelist-extra.cpp && %run %t 2>&1 |
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| 12 | // RUN: %clangxx_asan -fsanitize-ignorelist=%tmp -O3 %s -o %t \ |
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| 13 | // RUN: %p/Helpers/ignorelist-extra.cpp && %run %t 2>&1 |
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| 14 | |
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| 15 | // badGlobal is accessed improperly, but we ignorelisted it. Align |
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| 16 | // it to make sure memory past the end of badGlobal will be in |
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| 17 | // the same page. |
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| 18 | __attribute__((aligned(16))) int badGlobal; |
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| 19 | int readBadGlobal() { |
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| 20 | return (&badGlobal)[1]; |
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| 21 | } |
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| 22 | |
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| 23 | // A function which is broken, but excluded in the ignorelist. |
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| 24 | int brokenFunction(int argc) { |
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| 25 | char x[10] = {0}; |
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| 26 | return x[argc * 10]; // BOOM |
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| 27 | } |
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| 28 | |
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| 29 | // This function is defined in Helpers/ignorelist-extra.cpp, a source file which |
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| 30 | // is ignorelisted by name |
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| 31 | int externalBrokenFunction(int x); |
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| 32 | |
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| 33 | int main(int argc, char **argv) { |
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| 34 | brokenFunction(argc); |
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| 35 | int x = readBadGlobal(); |
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| 36 | externalBrokenFunction(x: argc); |
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| 37 | return 0; |
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| 38 | } |
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| 39 | |
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