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31 lines
919 B
31 lines
919 B
4 months ago
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// RUN: %clangxx_asan %s -o %t
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// RUN: not %run %t 0 2>&1 | FileCheck %s
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// RUN: not %run %t n 2>&1 | FileCheck %s -check-prefix=CHECK -check-prefix=NON_EXEC
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// Not every OS lists every memory region in MemoryMappingLayout.
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// This is limited to x86_64 because some architectures (e.g. the s390 before
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// the z14) don't support NX mappings and others like PowerPC use function
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// descriptors.
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// REQUIRES: x86-target-arch && (linux || freebsd || netbsd)
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#include <assert.h>
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typedef void void_f();
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int main(int argc, char **argv) {
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char *array = new char[42];
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void_f *func;
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assert(argc > 1);
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if (argv[1][0] == '0') {
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func = (void_f *)0x04;
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} else {
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assert(argv[1][0] == 'n');
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func = (void_f *)array;
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}
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func();
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// CHECK: DEADLYSIGNAL
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// CHECK: {{AddressSanitizer: (SEGV|access-violation).*(address|pc) }}
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// NON_EXEC: PC is at a non-executable region. Maybe a wild jump?
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return 0;
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}
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