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Diffstat (limited to 'test/sanitizer_common/TestCases/onprint.cpp')
-rw-r--r-- | test/sanitizer_common/TestCases/onprint.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/sanitizer_common/TestCases/onprint.cpp b/test/sanitizer_common/TestCases/onprint.cpp new file mode 100644 index 000000000..4b3f31e7b --- /dev/null +++ b/test/sanitizer_common/TestCases/onprint.cpp @@ -0,0 +1,31 @@ +// Checks that the __sanitizer_on_print hook gets the exact same sanitizer +// report as what is printed to stderr. +// +// RUN: %clangxx %s -o %t +// RUN: %run %t %t-onprint.txt 2>%t-stderr.txt || true +// RUN: diff %t-onprint.txt %t-stderr.txt + +#include <cassert> +#include <cstdio> +#include <cstdlib> + +FILE *f; +volatile void *buf; +volatile char sink; + +extern "C" void __sanitizer_on_print(const char *str) { + fprintf(f, "%s", str); + fflush(f); +} + +int main(int argc, char *argv[]) { + assert(argc >= 2); + f = fopen(argv[1], "w"); + + // Use-after-free to trigger ASan/TSan reports. + void *ptr = malloc(1); + buf = ptr; + free(ptr); + sink = *static_cast<char *>(ptr); + return 0; +} |