diff options
Diffstat (limited to 'compiler-rt/test')
| -rw-r--r-- | compiler-rt/test/asan/TestCases/Linux/local_alias.cc | 36 | ||||
| -rw-r--r-- | compiler-rt/test/asan/TestCases/Linux/odr-violation.cc | 7 |
2 files changed, 43 insertions, 0 deletions
diff --git a/compiler-rt/test/asan/TestCases/Linux/local_alias.cc b/compiler-rt/test/asan/TestCases/Linux/local_alias.cc new file mode 100644 index 00000000000..328e110db9a --- /dev/null +++ b/compiler-rt/test/asan/TestCases/Linux/local_alias.cc @@ -0,0 +1,36 @@ +// Test that mixing instrumented and non-instrumented code doesn't lead to crash. +// Build two modules (one is instrumented, another is not) that have globals +// with same names. Check, that ASan doesn't crash with CHECK failure or +// false positive global-buffer-overflow due to sanitized library poisons +// globals from non-sanitized one. +// +// RUN: %clangxx_asan -DBUILD_INSTRUMENTED_DSO=1 -fPIC -shared -mllvm -asan-use-private-alias %s -o %t-INSTRUMENTED-SO.so +// RUN: %clangxx -DBUILD_UNINSTRUMENTED_DSO=1 -fPIC -shared %s -o %t-UNINSTRUMENTED-SO.so +// RUN: %clangxx %s -c -mllvm -asan-use-private-alias -o %t.o +// RUN: %clangxx_asan %t.o %t-UNINSTRUMENTED-SO.so %t-INSTRUMENTED-SO.so -o %t-EXE +// RUN: %env_asan_opts=use_odr_indicator=true %run %t-EXE + +#if defined (BUILD_INSTRUMENTED_DSO) +long h = 15; +long f = 4; +long foo(long *p) { + return *p; +} +#elif defined (BUILD_UNINSTRUMENTED_DSO) +long foo(long *); +long h = 12; +long i = 13; +long f = 5; + +int bar() { + if (foo(&f) != 5 || foo(&h) != 12 || foo(&i) != 13) + return 1; + return 0; +} +#else +extern int bar(); + +int main() { + return bar(); +} +#endif diff --git a/compiler-rt/test/asan/TestCases/Linux/odr-violation.cc b/compiler-rt/test/asan/TestCases/Linux/odr-violation.cc index bc76116632e..70437a8321b 100644 --- a/compiler-rt/test/asan/TestCases/Linux/odr-violation.cc +++ b/compiler-rt/test/asan/TestCases/Linux/odr-violation.cc @@ -22,6 +22,13 @@ // RUN: echo "odr_violation:foo::G" > %t.supp // 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 // RUN: rm -f %t.supp +// +// Use private aliases for global variables: use indicator symbol to detect ODR violation. +// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared -mllvm -asan-use-private-alias %s -o %t-ODR-SO.so -DSZ=100 +// RUN: %clangxx_asan -mllvm -asan-use-private-alias %s %t-ODR-SO.so -Wl,-R. -o %t-ODR-EXE +// RUN: %env_asan_opts=fast_unwind_on_malloc=0 %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED +// RUN: %env_asan_opts=fast_unwind_on_malloc=0:use_odr_indicator=false %run %t-ODR-EXE 2>&1 | FileCheck %s --check-prefix=DISABLED +// RUN: %env_asan_opts=fast_unwind_on_malloc=0:use_odr_indicator=true not %run %t-ODR-EXE 2>&1 | FileCheck %s // GNU driver doesn't handle .so files properly. // REQUIRES: Clang |
