Ammar Askar <am...@ammaraskar.com> added the comment:
Nothing too interesting, here's the stack trace:
/src/cpython3/Modules/_struct.c:487:28: runtime error: load of value 32, which
is not a valid value for type '_Bool'
#0 0x7f50371a7670 in nu_bool cpython3/Modules/_struct.c:487:28
#1 0x7f503719ea3d in s_unpack_internal cpython3/Modules/_struct.c:1512:21
#2 0x7f5037199f7e in unpack cpython3/Modules/clinic/_struct.c.h:259:20
#3 0xb8b8bc in cfunction_vectorcall_FASTCALL
cpython3/Objects/methodobject.c:366:24
#4 0x4fe113 in _PyObject_VectorcallTstate
cpython3/./Include/cpython/abstract.h:111:21
#5 0x4fe51f in object_vacall cpython3/Objects/call.c:789:14
#6 0x4fe7d8 in PyObject_CallFunctionObjArgs cpython3/Objects/call.c:896:14
#7 0x4d394e in fuzz_struct_unpack
cpython3/Modules/_xxtestfuzz/fuzzer.c:121:26
#8 0x4d394e in _run_fuzz cpython3/Modules/_xxtestfuzz/fuzzer.c:398:14
#9 0x4d394e in LLVMFuzzerTestOneInput
cpython3/Modules/_xxtestfuzz/fuzzer.c:453:11
----------
nosy: +ammar2
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<https://bugs.python.org/issue39689>
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