See https://github.com/bitcoin-core/qa-assets/runs/20812716141:
0+ '[' true = true ']'
1+ LD_LIBRARY_PATH=/ci_container_base/depends/x86_64-pc-linux-gnu/lib
2+ test/fuzz/test_runner.py -j6 -l DEBUG /ci_container_base/ci/scratch/qa-assets/fuzz_seed_corpus/ --empty_min_time=60
3==29805==WARNING: MemorySanitizer: use-of-uninitialized-value
4 [#0](/bitcoin-core-qa-assets/0/) 0x55ef079a6060 (/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x1093060)
5 [#1](/bitcoin-core-qa-assets/1/) 0x55ef0718b823 (/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x878823)
6 [#2](/bitcoin-core-qa-assets/2/) 0x55ef071b9b12 (/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x8a6b12)
7 [#3](/bitcoin-core-qa-assets/3/) 0x7fd0ab3e9d8f (/lib/x86_64-linux-gnu/libc.so.6+0x29d8f) (BuildId: c289da5071a3399de893d2af81d6a30c62646e1e)
8 [#4](/bitcoin-core-qa-assets/4/) 0x7fd0ab3e9e3f (/lib/x86_64-linux-gnu/libc.so.6+0x29e3f) (BuildId: c289da5071a3399de893d2af81d6a30c62646e1e)
9 [#5](/bitcoin-core-qa-assets/5/) 0x55ef0717e834 (/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x86b834)
10
11 Member fields were destroyed
12 [#0](/bitcoin-core-qa-assets/0/) 0x55ef0724925d (/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x93625d)
13 [#1](/bitcoin-core-qa-assets/1/) 0x55ef09320bb9 (/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x2a0dbb9)
14 [#2](/bitcoin-core-qa-assets/2/) 0x55ef0717e664 (/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x86b664)
15 [#3](/bitcoin-core-qa-assets/3/) 0x7fd0ab3e9eba (/lib/x86_64-linux-gnu/libc.so.6+0x29eba) (BuildId: c289da5071a3399de893d2af81d6a30c62646e1e)
16
17SUMMARY: MemorySanitizer: use-of-uninitialized-value (/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz+0x1093060)
18Exiting
19Traceback (most recent call last):
20 File "/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/fuzz/test_runner.py", line 382, in <module>
21 main()
22 File "/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/fuzz/test_runner.py", line 106, in main
23 test_list_all = parse_test_list(fuzz_bin=os.path.join(config["environment"]["BUILDDIR"], 'src', 'test', 'fuzz', 'fuzz'))
24 File "/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/fuzz/test_runner.py", line 369, in parse_test_list
25 test_list_all = subprocess.run(
26 File "/usr/lib/python3.10/subprocess.py", line 526, in run
27 raise CalledProcessError(retcode, process.args,
28subprocess.CalledProcessError: Command '/ci_container_base/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/src/test/fuzz/fuzz' returned non-zero exit status 1.
llvm-symbolizer is built and installed into /usr/bin https://cirrus-ci.com/task/5482198250291200?logs=ci#L6085:
0 + update-alternatives --install /usr/bin/llvm-symbolizer llvm-symbolizer /msan/clang_build/bin/llvm-symbolizer 100
1update-alternatives: using /msan/clang_build/bin/llvm-symbolizer to provide /usr/bin/llvm-symbolizer (llvm-symbolizer) in auto mode
I guess we also need to set MSAN_SYMBOLIZER_PATH.