diff options
Diffstat (limited to 'lib/asan/lit_tests/TestCases/blacklist.cc')
-rw-r--r-- | lib/asan/lit_tests/TestCases/blacklist.cc | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/asan/lit_tests/TestCases/blacklist.cc b/lib/asan/lit_tests/TestCases/blacklist.cc new file mode 100644 index 000000000000..46625ee7bdb5 --- /dev/null +++ b/lib/asan/lit_tests/TestCases/blacklist.cc @@ -0,0 +1,38 @@ +// Test the blacklist functionality of ASan + +// RUN: echo "fun:*brokenFunction*" > %tmp +// RUN: echo "global:*badGlobal*" >> %tmp +// RUN: echo "src:*blacklist-extra.cc" >> %tmp +// RUN: %clangxx_asan -fsanitize-blacklist=%tmp -O0 %s -o %t \ +// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1 +// RUN: %clangxx_asan -fsanitize-blacklist=%tmp -O1 %s -o %t \ +// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1 +// RUN: %clangxx_asan -fsanitize-blacklist=%tmp -O2 %s -o %t \ +// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1 +// RUN: %clangxx_asan -fsanitize-blacklist=%tmp -O3 %s -o %t \ +// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1 + +// badGlobal is accessed improperly, but we blacklisted it. Align +// it to make sure memory past the end of badGlobal will be in +// the same page. +__attribute__((aligned(16))) int badGlobal; +int readBadGlobal() { + return (&badGlobal)[1]; +} + +// A function which is broken, but excluded in the blacklist. +int brokenFunction(int argc) { + char x[10] = {0}; + return x[argc * 10]; // BOOM +} + +// This function is defined in Helpers/blacklist-extra.cc, a source file which +// is blacklisted by name +int externalBrokenFunction(int x); + +int main(int argc, char **argv) { + brokenFunction(argc); + int x = readBadGlobal(); + externalBrokenFunction(argc); + return 0; +} |