| 1 | // RUN: %clangxx_asan %s -o %t |
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| 2 | // RUN: not %run %t 0 2>&1 | FileCheck %s |
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| 3 | // RUN: not %run %t n 2>&1 | FileCheck %s -check-prefix=CHECK -check-prefix=NON_EXEC |
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| 4 | |
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| 5 | // Not every OS lists every memory region in MemoryMappingLayout. |
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| 6 | // This is limited to x86_64 because some architectures (e.g. the s390 before |
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| 7 | // the z14) don't support NX mappings and others like PowerPC use function |
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| 8 | // descriptors. |
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| 9 | // REQUIRES: x86-target-arch && (linux || freebsd || netbsd) |
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| 10 | |
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| 11 | #include <assert.h> |
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| 12 | |
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| 13 | typedef void void_f(); |
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| 14 | int main(int argc, char **argv) { |
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| 15 | char *array = new char[42]; |
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| 16 | void_f *func; |
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| 17 | assert(argc > 1); |
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| 18 | if (argv[1][0] == '0') { |
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| 19 | func = (void_f *)0x04; |
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| 20 | } else { |
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| 21 | assert(argv[1][0] == 'n'); |
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| 22 | func = (void_f *)array; |
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| 23 | } |
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| 24 | |
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| 25 | func(); |
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| 26 | // CHECK: DEADLYSIGNAL |
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| 27 | // CHECK: {{AddressSanitizer: (SEGV|access-violation).*(address|pc) }} |
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| 28 | // NON_EXEC: PC is at a non-executable region. Maybe a wild jump? |
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| 29 | return 0; |
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| 30 | } |
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| 31 | |
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