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// 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 && %run %t 2>&1
// RUN: %clangxx_asan -fsanitize-blacklist=%tmp -O1 %s -o %t \
// RUN: %p/Helpers/blacklist-extra.cc && %run %t 2>&1
// RUN: %clangxx_asan -fsanitize-blacklist=%tmp -O2 %s -o %t \
// RUN: %p/Helpers/blacklist-extra.cc && %run %t 2>&1
// RUN: %clangxx_asan -fsanitize-blacklist=%tmp -O3 %s -o %t \
// RUN: %p/Helpers/blacklist-extra.cc && %run %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;
}
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