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a34c65e845
This patch allows libFuzzer to fuzz applications instrumented with MSan without recompiling libFuzzer with MSan instrumentation. Fixes https://github.com/google/sanitizers/issues/958. Differential Revision: https://reviews.llvm.org/D48891 llvm-svn: 336619
28 lines
483 B
C++
28 lines
483 B
C++
#include <cstdint>
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#include <cstdio>
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struct Simple {
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int x_;
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Simple() {
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x_ = 5;
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}
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~Simple() {
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x_ += 1;
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}
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};
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Simple *volatile SimpleSink;
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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if (Size < 4) return 0;
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if (Data[0] == 'F' && Data[1] == 'U' && Data[2] == 'Z' && Data[3] == 'Z') {
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{
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Simple S;
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SimpleSink = &S;
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}
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if (SimpleSink->x_) fprintf(stderr, "Failed to catch use-after-dtor\n");
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}
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return 0;
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}
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