1 // FIXME: https://code.google.com/p/address-sanitizer/issues/detail?id=316
2 // XFAIL: android
3 // Fails with debug checks: https://bugs.llvm.org/show_bug.cgi?id=46862
4 // XFAIL: !compiler-rt-optimized && !riscv64
5 //
6 // We use fast_unwind_on_malloc=0 to have full unwinding even w/o frame
7 // pointers. This setting is not on by default because it's too expensive.
8 //
9 // Different size: detect a bug if detect_odr_violation>=1
10 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %dynamiclib
11 // RUN: %clangxx_asan %s %ld_flags_rpath_exe -o %t-ODR-EXE
12 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=1 not %run %t-ODR-EXE 2>&1 | FileCheck %s
13 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t-ODR-EXE 2>&1 | FileCheck %s
14 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=0     %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
15 // RUN: %env_asan_opts=fast_unwind_on_malloc=0                        not %run %t-ODR-EXE 2>&1 | FileCheck %s
16 //
17 // Same size: report a bug only if detect_odr_violation>=2.
18 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %dynamiclib -DSZ=100
19 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=1     %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
20 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2 not %run %t-ODR-EXE 2>&1 | FileCheck %s
21 // RUN: %env_asan_opts=fast_unwind_on_malloc=0                        not %run %t-ODR-EXE 2>&1 | FileCheck %s
22 // RUN: echo "odr_violation:foo::ZZZ" > %t.supp
23 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2:suppressions=%t.supp  not %run %t-ODR-EXE 2>&1 | FileCheck %s
24 // RUN: echo "odr_violation:foo::G" > %t.supp
25 // RUN: %env_asan_opts=fast_unwind_on_malloc=0:detect_odr_violation=2:suppressions=%t.supp      %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
26 // RUN: rm -f %t.supp
27 //
28 // Use private aliases for global variables without indicator symbol.
29 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared -mllvm -asan-use-private-alias %s -o %dynamiclib -DSZ=100
30 // RUN: %clangxx_asan -mllvm -asan-use-private-alias %s %ld_flags_rpath_exe -o %t-ODR-EXE
31 // RUN: %env_asan_opts=fast_unwind_on_malloc=0 %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED
32 
33 // Use private aliases for global variables: use indicator symbol to detect ODR violation.
34 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared -mllvm -asan-use-private-alias -mllvm -asan-use-odr-indicator  %s -o %dynamiclib -DSZ=100
35 // RUN: %clangxx_asan -mllvm -asan-use-private-alias -mllvm -asan-use-odr-indicator %s %ld_flags_rpath_exe -o %t-ODR-EXE
36 // RUN: %env_asan_opts=fast_unwind_on_malloc=0 not %run %t-ODR-EXE 2>&1 | FileCheck %s
37 
38 // Same as above but with clang switches.
39 // RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared -fsanitize-address-use-odr-indicator %s -o %dynamiclib -DSZ=100
40 // RUN: %clangxx_asan -fsanitize-address-use-odr-indicator %s %ld_flags_rpath_exe -o %t-ODR-EXE
41 // RUN: %env_asan_opts=fast_unwind_on_malloc=0 not %run %t-ODR-EXE 2>&1 | FileCheck %s
42 
43 // GNU driver doesn't handle .so files properly.
44 // REQUIRES: Clang
45 
46 #ifndef SZ
47 # define SZ 4
48 #endif
49 
50 #if BUILD_SO
51 namespace foo { char G[SZ]; }
52 #else
53 #include <stdio.h>
54 namespace foo { char G[100]; }
55 // CHECK: ERROR: AddressSanitizer: odr-violation
56 // CHECK: size=100 'foo::G' {{.*}}odr-violation.cpp:[[@LINE-2]]:22
57 // CHECK: size={{4|100}} 'foo::G'
58 int main(int argc, char **argv) {
59   printf("PASS: %p\n", &foo::G);
60 }
61 #endif
62 
63 // CHECK: These globals were registered at these points:
64 // CHECK: ODR-EXE
65 // CHECK: odr-violation.cpp.dynamic
66 // CHECK: SUMMARY: AddressSanitizer: odr-violation: global 'foo::G' at {{.*}}odr-violation.cpp
67 // DISABLED: PASS
68