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Beware that glibc have a lot of assumptions on buffer size and a lot of handwritten magic (seethis). If you have an error caused by these optimizations you can disable the instrumentation for single functions adding them tolibqasan/uninstrument.c. ...
In principle, if you set CPU_TARGET before calling ./build_qemu_support.sh, you should get a build capable of running non-native binaries (say, you can try CPU_TARGET=arm). This is also necessary for running 32-bit binaries on a 64-bit system (CPU_TARGET=i386). If you're trying ...
# For the actual fuzzer binaries, we need to link against the libfuzzer 175 # library. They need to be configurable, to support OSS-Fuzz 176 fuzz_exe_ldflags = ['-fsanitize=fuzzer'] 177 else 178 # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and ...
# For the actual fuzzer binaries, we need to link against the libfuzzer # library. They need to be configurable, to support OSS-Fuzz fuzz_exe_ldflags = ['-fsanitize=fuzzer'] else # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and # the needed CFLAGS have ...
# For the actual fuzzer binaries, we need to link against the libfuzzer # library. They need to be configurable, to support OSS-Fuzz fuzz_exe_ldflags = ['-fsanitize=fuzzer'] else # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and ...
4) Instrumenting binary-only apps --- When source code is *NOT* available, the fuzzer offers experimental support for fast, on-the-fly instrumentation of black-box binaries. This is accomplished with a version of QEMU running in the lesser-known "user space emulation" mode. QEMU is a proj...
4) Instrumenting binary-only apps --- When source code is *NOT* available, the fuzzer offers experimental support for fast, on-the-fly instrumentation of black-box binaries. This is accomplished with a version of QEMU running in the lesser-known "user space emulation" mode. QEMU is a proj...
# For the actual fuzzer binaries, we need to link against the libfuzzer # library. They need to be configurable, to support OSS-Fuzz fuzz_exe_ldflags = ['-fsanitize=fuzzer'] else # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and ...
# For the actual fuzzer binaries, we need to link against the libfuzzer # library. They need to be configurable, to support OSS-Fuzz fuzz_exe_ldflags = ['-fsanitize=fuzzer'] else # LIB_FUZZING_ENGINE was set; assume we are running on OSS-Fuzz, and # the needed CFLAGS have ...