Running: /mnt/scratch0/clusterfuzz/bot/inputs/fuzzer-testcases/a64c8acb44b2e25736a340a8e5865db3E.-6.ADDR.0.INSTR.[UNKNOWN].fuzz--  | fuzz_pycompile: Objects/call.c:342: PyObject *_PyObject_Call(PyThreadState *, PyObject *, PyObject *, PyObject *): Assertion `!_PyErr_Occurred(tstate)' failed.  | ==65602== ERROR: libFuzzer: deadly signal  | #0 0x553b61 in __sanitizer_print_stack_trace /src/llvm-project/compiler-rt/lib/asan/asan_stack.cpp:87:3  | #1 0x472678 in fuzzer::PrintStackTrace() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtil.cpp:210:5  | #2 0x457353 in fuzzer::Fuzzer::CrashCallback() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:233:3  | #3 0x79a033e1441f in libpthread.so.0  | #4 0x79a033c2a00a in __libc_signal_restore_set /build/glibc-SzIz7B/glibc-2.31/sysdeps/unix/sysv/linux/internal-signals.h:86:3  | #5 0x79a033c2a00a in raise /build/glibc-SzIz7B/glibc-2.31/sysdeps/unix/sysv/linux/raise.c:48:3  | #6 0x79a033c09858 in abort /build/glibc-SzIz7B/glibc-2.31/stdlib/abort.c:79:7  | #7 0x79a033c09728 in __assert_fail_base /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:92:3  | #8 0x79a033c1afd5 in __assert_fail /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:101:3  | #9 0xbaee90 in _PyObject_Call cpython3/Objects/call.c:342:5  | #10 0xbaf0d0 in PyObject_Call cpython3/Objects/call.c:373:12  | #11 0x85175e in PyErr_SetFromErrnoWithFilenameObjects cpython3/Python/errors.c:874:13  | #12 0x851551 in PyErr_SetFromErrnoWithFilenameObject cpython3/Python/errors.c:785:12  | #13 0x9a1acd in _Py_fopen_obj cpython3/Python/fileutils.c:1832:9  | #14 0x8581b4 in _PyErr_ProgramDecodedTextObject cpython3/Python/errors.c:1924:16  | #15 0xdbb0d2 in _PyPegen_raise_error_known_location cpython3/Parser/pegen_errors.c:336:22  | #16 0xdcc92b in RAISE_ERROR_KNOWN_LOCATION cpython3/Parser/pegen.h:182:5  | #17 0xe4fc58 in invalid_class_pattern_rule cpython3/Parser/parser.c:23691:20  | #18 0xe49692 in class_pattern_rule cpython3/Parser/parser.c:10330:42  | #19 0xe45d6f in closed_pattern_rule cpython3/Parser/parser.c:8166:34  | #20 0xe43704 in _gather_65_rule cpython3/Parser/parser.c:29094:21  | #21 0xe43704 in or_pattern_rule cpython3/Parser/parser.c:7969:44  | #22 0xe40db8 in as_pattern_rule cpython3/Parser/parser.c:7885:24  | #23 0xe40db8 in pattern_rule cpython3/Parser/parser.c:7817:31  | #24 0xe46ffb in group_pattern_rule cpython3/Parser/parser.c:9388:24  | #25 0xe45437 in closed_pattern_rule cpython3/Parser/parser.c:8109:34  | #26 0xe43704 in _gather_65_rule cpython3/Parser/parser.c:29094:21  | #27 0xe43704 in or_pattern_rule cpython3/Parser/parser.c:7969:44  | #28 0xe40db8 in as_pattern_rule cpython3/Parser/parser.c:7885:24  | #29 0xe40db8 in pattern_rule cpython3/Parser/parser.c:7817:31  | #30 0xe41b27 in maybe_star_pattern_rule cpython3/Parser/parser.c:9654:28  | #31 0xe4075e in open_sequence_pattern_rule cpython3/Parser/parser.c:9541:24  | #32 0xe40064 in patterns_rule cpython3/Parser/parser.c:7746:44  | #33 0xe3e8ce in invalid_case_block_rule cpython3/Parser/parser.c:23514:29  | #34 0xe3e8ce in case_block_rule cpython3/Parser/parser.c:7617:39  | #35 0xe3e8ce in _loop1_64_rule cpython3/Parser/parser.c:28954:31  | #36 0xdcb16f in match_stmt_rule cpython3/Parser/parser.c:7458:44  | #37 0xdc1f10 in compound_stmt_rule cpython3/Parser/parser.c:2244:31  | #38 0xdc0a62 in statement_rule cpython3/Parser/parser.c:1405:18  | #39 0xdc0a62 in _loop1_3_rule cpython3/Parser/parser.c:25234:30  | #40 0xdc0a62 in statements_rule cpython3/Parser/parser.c:1362:18  | #41 0xdbcccd in file_rule cpython3/Parser/parser.c:1164:18  | #42 0xdbcccd in _PyPegen_parse cpython3/Parser/parser.c:41840:18  | #43 0xdb83b5 in _PyPegen_run_parser cpython3/Parser/pegen.c:857:9  | #44 0xdb8d48 in _PyPegen_run_parser_from_string cpython3/Parser/pegen.c:965:14  | #45 0xb2e517 in _PyParser_ASTFromString cpython3/Parser/peg_api.c:13:21  | #46 0x92ea85 in Py_CompileStringObject cpython3/Python/pythonrun.c:1437:11  | #47 0x92ebf4 in Py_CompileStringExFlags cpython3/Python/pythonrun.c:1465:10  | #48 0x5874d1 in fuzz_pycompile cpython3/Modules/_xxtestfuzz/fuzzer.c:550:24  | #49 0x5874d1 in _run_fuzz cpython3/Modules/_xxtestfuzz/fuzzer.c:563:14  | #50 0x5874d1 in LLVMFuzzerTestOneInput cpython3/Modules/_xxtestfuzz/fuzzer.c:704:11  | #51 0x4588f3 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:611:15  | #52 0x444052 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:324:6  | #53 0x4498fc in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:860:9  | #54 0x472e32 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10  | #55 0x79a033c0b082 in __libc_start_main /build/glibc-SzIz7B/glibc-2.31/csu/libc-start.c:308:16  | #56 0x43a21d in _start<br>Running: /mnt/scratch0/clusterfuzz/bot/inputs/fuzzer-testcases/a64c8acb44b2e25736a340a8e5865db3E.-6.ADDR.0.INSTR.[UNKNOWN].fuzzfuzz_pycompile: Objects/call.c:342: PyObject *_PyObject_Call(PyThreadState *, PyObject *, PyObject *, PyObject *): Assertion `!_PyErr_Occurred(tstate)' failed.==65602== ERROR: libFuzzer: deadly signal    #0 0x553b61 in __sanitizer_print_stack_trace /src/llvm-project/compiler-rt/lib/asan/asan_stack.cpp:87:3    #1 0x472678 in fuzzer::PrintStackTrace() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerUtil.cpp:210:5    #2 0x457353 in fuzzer::Fuzzer::CrashCallback() /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:233:3    #3 0x79a033e1441f in libpthread.so.0    #4 0x79a033c2a00a in __libc_signal_restore_set /build/glibc-SzIz7B/glibc-2.31/sysdeps/unix/sysv/linux/internal-signals.h:86:3    #5 0x79a033c2a00a in raise /build/glibc-SzIz7B/glibc-2.31/sysdeps/unix/sysv/linux/raise.c:48:3    #6 0x79a033c09858 in abort /build/glibc-SzIz7B/glibc-2.31/stdlib/abort.c:79:7    #7 0x79a033c09728 in __assert_fail_base /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:92:3    #8 0x79a033c1afd5 in __assert_fail /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:101:3    #9 0xbaee90 in _PyObject_Call [cpython3/Objects/call.c:342](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Objects/call.c#L342):5    #10 0xbaf0d0 in PyObject_Call [cpython3/Objects/call.c:373](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Objects/call.c#L373):12    #11 0x85175e in PyErr_SetFromErrnoWithFilenameObjects [cpython3/Python/errors.c:874](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Python/errors.c#L874):13    #12 0x851551 in PyErr_SetFromErrnoWithFilenameObject [cpython3/Python/errors.c:785](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Python/errors.c#L785):12    #13 0x9a1acd in _Py_fopen_obj [cpython3/Python/fileutils.c:1832](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Python/fileutils.c#L1832):9    #14 0x8581b4 in _PyErr_ProgramDecodedTextObject [cpython3/Python/errors.c:1924](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Python/errors.c#L1924):16    #15 0xdbb0d2 in _PyPegen_raise_error_known_location [cpython3/Parser/pegen_errors.c:336](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/pegen_errors.c#L336):22    #16 0xdcc92b in RAISE_ERROR_KNOWN_LOCATION [cpython3/Parser/pegen.h:182](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/pegen.h#L182):5    #17 0xe4fc58 in invalid_class_pattern_rule [cpython3/Parser/parser.c:23691](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L23691):20    #18 0xe49692 in class_pattern_rule [cpython3/Parser/parser.c:10330](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L10330):42    #19 0xe45d6f in closed_pattern_rule [cpython3/Parser/parser.c:8166](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L8166):34    #20 0xe43704 in _gather_65_rule [cpython3/Parser/parser.c:29094](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L29094):21    #21 0xe43704 in or_pattern_rule [cpython3/Parser/parser.c:7969](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L7969):44    #22 0xe40db8 in as_pattern_rule [cpython3/Parser/parser.c:7885](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L7885):24    #23 0xe40db8 in pattern_rule [cpython3/Parser/parser.c:7817](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L7817):31    #24 0xe46ffb in group_pattern_rule [cpython3/Parser/parser.c:9388](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L9388):24    #25 0xe45437 in closed_pattern_rule [cpython3/Parser/parser.c:8109](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L8109):34    #26 0xe43704 in _gather_65_rule [cpython3/Parser/parser.c:29094](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L29094):21    #27 0xe43704 in or_pattern_rule [cpython3/Parser/parser.c:7969](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L7969):44    #28 0xe40db8 in as_pattern_rule [cpython3/Parser/parser.c:7885](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L7885):24    #29 0xe40db8 in pattern_rule [cpython3/Parser/parser.c:7817](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L7817):31    #30 0xe41b27 in maybe_star_pattern_rule [cpython3/Parser/parser.c:9654](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L9654):28    #31 0xe4075e in open_sequence_pattern_rule [cpython3/Parser/parser.c:9541](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L9541):24    #32 0xe40064 in patterns_rule [cpython3/Parser/parser.c:7746](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L7746):44    #33 0xe3e8ce in invalid_case_block_rule [cpython3/Parser/parser.c:23514](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L23514):29    #34 0xe3e8ce in case_block_rule [cpython3/Parser/parser.c:7617](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L7617):39    #35 0xe3e8ce in _loop1_64_rule [cpython3/Parser/parser.c:28954](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L28954):31    #36 0xdcb16f in match_stmt_rule [cpython3/Parser/parser.c:7458](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L7458):44    #37 0xdc1f10 in compound_stmt_rule [cpython3/Parser/parser.c:2244](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L2244):31    #38 0xdc0a62 in statement_rule [cpython3/Parser/parser.c:1405](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L1405):18    #39 0xdc0a62 in _loop1_3_rule [cpython3/Parser/parser.c:25234](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L25234):30    #40 0xdc0a62 in statements_rule [cpython3/Parser/parser.c:1362](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L1362):18    #41 0xdbcccd in file_rule [cpython3/Parser/parser.c:1164](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L1164):18    #42 0xdbcccd in _PyPegen_parse [cpython3/Parser/parser.c:41840](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/parser.c#L41840):18    #43 0xdb83b5 in _PyPegen_run_parser [cpython3/Parser/pegen.c:857](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/pegen.c#L857):9    #44 0xdb8d48 in _PyPegen_run_parser_from_string [cpython3/Parser/pegen.c:965](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/pegen.c#L965):14    #45 0xb2e517 in _PyParser_ASTFromString [cpython3/Parser/peg_api.c:13](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Parser/peg_api.c#L13):21    #46 0x92ea85 in Py_CompileStringObject [cpython3/Python/pythonrun.c:1437](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Python/pythonrun.c#L1437):11    #47 0x92ebf4 in Py_CompileStringExFlags [cpython3/Python/pythonrun.c:1465](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Python/pythonrun.c#L1465):10    #48 0x5874d1 in fuzz_pycompile [cpython3/Modules/_xxtestfuzz/fuzzer.c:550](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Modules/_xxtestfuzz/fuzzer.c#L550):24    #49 0x5874d1 in _run_fuzz [cpython3/Modules/_xxtestfuzz/fuzzer.c:563](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Modules/_xxtestfuzz/fuzzer.c#L563):14    #50 0x5874d1 in LLVMFuzzerTestOneInput [cpython3/Modules/_xxtestfuzz/fuzzer.c:704](https://github.com/python/cpython/blob/f46987b8281148503568516c29a4a04a75aaba8d/Modules/_xxtestfuzz/fuzzer.c#L704):11    #51 0x4588f3 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:611:15    #52 0x444052 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:324:6    #53 0x4498fc in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:860:9    #54 0x472e32 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10    #55 0x79a033c0b082 in __libc_start_main /build/glibc-SzIz7B/glibc-2.31/csu/libc-start.c:308:16    #56 0x43a21d in _start

00000000: 2020 6d61 7463 6820 793a 0a20 6361 7365    match y:. case00000010: 2065 2865 3d76 2c76 2c                    e(e=v,v,