[llvm] [llvm-dis] Fix non-deterministic disassembly across multiple inputs (PR #110988)

Mon Oct 7 03:50:07 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-fuzzer` running on `sanitizer-buildbot11` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/159/builds/7639

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
[1226/1238] Building CXX object libcxx/src/CMakeFiles/cxx_experimental.dir/experimental/tzdb_list.cpp.o
[1227/1238] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/filesystem/directory_entry.cpp.o
[1228/1238] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/algorithm.cpp.o
[1229/1238] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/ios.instantiations.cpp.o
[1230/1238] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/filesystem/directory_iterator.cpp.o
[1231/1238] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/filesystem/operations.cpp.o
[1232/1238] Building CXX object libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.o
[1233/1238] Linking CXX static library lib/libc++abi.a
[1234/1238] Building CXX object libcxx/src/CMakeFiles/cxx_experimental.dir/experimental/tzdb.cpp.o
[1235/1238] Building CXX object libcxx/src/CMakeFiles/cxx_experimental.dir/experimental/time_zone.cpp.o
[1236/1238] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/locale.cpp.o
[1237/1238] Linking CXX static library lib/libc++.a
[1238/1238] Linking CXX static library lib/libc++experimental.a
[1968/1999] Linking CXX shared library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/20/lib/aarch64-unknown-linux-gnu/libclang_rt.asan.so
[1970/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerExtFunctionsDlsym.cpp.o
[1971/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerExtFunctionsWindows.cpp.o
[1972/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerIOWindows.cpp.o
[1973/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerUtilDarwin.cpp.o
[1974/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerUtilFuchsia.cpp.o
[1975/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerExtraCountersDarwin.cpp.o
[1976/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerUtilWindows.cpp.o
[1977/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerExtraCountersWindows.cpp.o
[1978/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerExtraCounters.cpp.o
[1979/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer_interceptors.aarch64.dir/FuzzerInterceptors.cpp.o
[1980/1999] Linking CXX static library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/20/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer_interceptors.a
[1981/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer_main.aarch64.dir/FuzzerMain.cpp.o
[1982/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerExtFunctionsWeak.cpp.o
[1983/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerSHA1.cpp.o
[1984/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerCrossOver.cpp.o
[1985/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerUtilLinux.cpp.o
[1986/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerIOPosix.cpp.o
[1987/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerUtil.cpp.o
[1988/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerUtilPosix.cpp.o
[1989/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerIO.cpp.o
[1990/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerMutate.cpp.o
[1991/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerTracePC.cpp.o
[1992/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerDataFlowTrace.cpp.o
[1993/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerFork.cpp.o
[1994/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerLoop.cpp.o
[1995/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerDriver.cpp.o
[1996/1999] Building CXX object compiler-rt/lib/fuzzer/CMakeFiles/RTfuzzer.aarch64.dir/FuzzerMerge.cpp.o
[1997/1999] Linking CXX static library compiler-rt/lib/fuzzer/tests/libRTFuzzerTest.aarch64.a
[1998/1999] Linking CXX static library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/20/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer_no_main.a
[1999/1999] Linking CXX static library /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/clang/20/lib/aarch64-unknown-linux-gnu/libclang_rt.fuzzer.a
[748/750] No install step for 'runtimes'
[750/750] Completed 'runtimes'
0596e616e2f6be2ec021b0e43c078417  llvm_build0/bin/clang
@@@BUILD_STEP get fuzzer-test-suite @@@
Cloning into 'fuzzer-test-suite'...
fatal: unable to access 'https://github.com/google/fuzzer-test-suite.git/': GnuTLS recv error (-110): The TLS connection was non-properly terminated.
Step 8 (get fuzzer-test-suite) failure: get fuzzer-test-suite (failure)
@@@BUILD_STEP get fuzzer-test-suite @@@
Cloning into 'fuzzer-test-suite'...
fatal: unable to access 'https://github.com/google/fuzzer-test-suite.git/': GnuTLS recv error (-110): The TLS connection was non-properly terminated.
program finished with exit code 1
elapsedTime=248.387956

```

</details>

https://github.com/llvm/llvm-project/pull/110988