On Darwin/x86_64, asan may report the crashing line of NullDeref as line
19 (i.e the closing brace of the function), whereas on other targets we
see line 15 ("ptr[10]++").
The optimized debug info here isn't reliable enough to check.
rdar://problem/41526369
llvm-svn: 335747
25 lines
970 B
C++
25 lines
970 B
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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__attribute__((noinline))
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// FIXME: Static symbols don't show up in PDBs. We can remove this once we start
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// using DWARF.
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#ifndef _MSC_VER
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static
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#endif
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void NullDeref(int *ptr) {
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// CHECK: ERROR: AddressSanitizer: {{SEGV|access-violation}} on unknown address
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// CHECK: {{0x0*000.. .*pc 0x.*}}
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ptr[10]++; // BOOM
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// atos on Mac cannot extract the symbol name correctly. Also, on FreeBSD 9.2
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// the demangling function rejects local names with 'L' in front of them.
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// CHECK: {{ #0 0x.* in .*NullDeref.*null_deref.cc}}
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}
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int main() {
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NullDeref((int*)0);
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// CHECK: {{ #1 0x.* in main.*null_deref.cc}}
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// CHECK: AddressSanitizer can not provide additional info.
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}
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