<fuzz input>:1: SyntaxWarning: invalid decimal literal--  | <fuzz input>:1: SyntaxWarning: invalid decimal literal  | fuzz_pycompile: Python/flowgraph.c:483: _Bool no_redundant_jumps(cfg_builder *): Assertion `last->i_target != b->b_next' failed.  | AddressSanitizer:DEADLYSIGNAL  | =================================================================  | ==2627==ERROR: AddressSanitizer: ABRT on unknown address 0x053900000a43 (pc 0x790fafca100b bp 0x790fafe16588 sp 0x7ffee87019d0 T0)  | SCARINESS: 10 (signal)  | #0 0x790fafca100b in raise /build/glibc-SzIz7B/glibc-2.31/sysdeps/unix/sysv/linux/raise.c:51:1  | #1 0x790fafc80858 in abort /build/glibc-SzIz7B/glibc-2.31/stdlib/abort.c:79:7  | #2 0x790fafc80728 in __assert_fail_base /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:92:3  | #3 0x790fafc91fd5 in __assert_fail /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:101:3  | #4 0x825781 in no_redundant_jumps cpython3/Python/flowgraph.c:483:17  | #5 0x825781 in _PyCfg_OptimizedCfgToInstructionSequence cpython3/Python/flowgraph.c:2719:5  | #6 0x7992f9 in optimize_and_assemble_code_unit cpython3/Python/compile.c:7581:9  | #7 0x7992f9 in optimize_and_assemble cpython3/Python/compile.c:7616:12  | #8 0x7925a9 in compiler_mod cpython3/Python/compile.c:1779:24  | #9 0x7925a9 in _PyAST_Compile cpython3/Python/compile.c:555:24  | #10 0x8fce37 in Py_CompileStringObject cpython3/Python/pythonrun.c:1452:10  | #11 0x8fcf2c in Py_CompileStringExFlags cpython3/Python/pythonrun.c:1465:10  | #12 0x4f7e97 in fuzz_pycompile cpython3/Modules/_xxtestfuzz/fuzzer.c:550:24  | #13 0x4f7e97 in _run_fuzz cpython3/Modules/_xxtestfuzz/fuzzer.c:563:14  | #14 0x4f7e97 in LLVMFuzzerTestOneInput cpython3/Modules/_xxtestfuzz/fuzzer.c:704:11  | #15 0x4f878d in ExecuteFilesOnyByOne /src/aflplusplus/utils/aflpp_driver/aflpp_driver.c:255:7  | #16 0x4f8598 in LLVMFuzzerRunDriver /src/aflplusplus/utils/aflpp_driver/aflpp_driver.c:0  | #17 0x4f8158 in main /src/aflplusplus/utils/aflpp_driver/aflpp_driver.c:300:10  | #18 0x790fafc82082 in __libc_start_main /build/glibc-SzIz7B/glibc-2.31/csu/libc-start.c:308:16  | #19 0x43906d in _start<br><fuzz input>:1: SyntaxWarning: invalid decimal literal<fuzz input>:1: SyntaxWarning: invalid decimal literalfuzz_pycompile: Python/flowgraph.c:483: _Bool no_redundant_jumps(cfg_builder *): Assertion `last->i_target != b->b_next' failed.AddressSanitizer:DEADLYSIGNAL===================================================================2627==ERROR: AddressSanitizer: ABRT on unknown address 0x053900000a43 (pc 0x790fafca100b bp 0x790fafe16588 sp 0x7ffee87019d0 T0)SCARINESS: 10 (signal)    #0 0x790fafca100b in raise /build/glibc-SzIz7B/glibc-2.31/sysdeps/unix/sysv/linux/raise.c:51:1    #1 0x790fafc80858 in abort /build/glibc-SzIz7B/glibc-2.31/stdlib/abort.c:79:7    #2 0x790fafc80728 in __assert_fail_base /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:92:3    #3 0x790fafc91fd5 in __assert_fail /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:101:3    #4 0x825781 in no_redundant_jumps [cpython3/Python/flowgraph.c:483](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Python/flowgraph.c#L483):17    #5 0x825781 in _PyCfg_OptimizedCfgToInstructionSequence [cpython3/Python/flowgraph.c:2719](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Python/flowgraph.c#L2719):5    #6 0x7992f9 in optimize_and_assemble_code_unit [cpython3/Python/compile.c:7581](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Python/compile.c#L7581):9    #7 0x7992f9 in optimize_and_assemble [cpython3/Python/compile.c:7616](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Python/compile.c#L7616):12    #8 0x7925a9 in compiler_mod [cpython3/Python/compile.c:1779](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Python/compile.c#L1779):24    #9 0x7925a9 in _PyAST_Compile [cpython3/Python/compile.c:555](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Python/compile.c#L555):24    #10 0x8fce37 in Py_CompileStringObject [cpython3/Python/pythonrun.c:1452](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Python/pythonrun.c#L1452):10    #11 0x8fcf2c in Py_CompileStringExFlags [cpython3/Python/pythonrun.c:1465](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Python/pythonrun.c#L1465):10    #12 0x4f7e97 in fuzz_pycompile [cpython3/Modules/_xxtestfuzz/fuzzer.c:550](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Modules/_xxtestfuzz/fuzzer.c#L550):24    #13 0x4f7e97 in _run_fuzz [cpython3/Modules/_xxtestfuzz/fuzzer.c:563](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Modules/_xxtestfuzz/fuzzer.c#L563):14    #14 0x4f7e97 in LLVMFuzzerTestOneInput [cpython3/Modules/_xxtestfuzz/fuzzer.c:704](https://github.com/python/cpython/blob/471aa752415029c508693fa7971076f5148022a6/Modules/_xxtestfuzz/fuzzer.c#L704):11    #15 0x4f878d in ExecuteFilesOnyByOne /src/aflplusplus/utils/aflpp_driver/aflpp_driver.c:255:7    #16 0x4f8598 in LLVMFuzzerRunDriver /src/aflplusplus/utils/aflpp_driver/aflpp_driver.c:0    #17 0x4f8158 in main /src/aflplusplus/utils/aflpp_driver/aflpp_driver.c:300:10    #18 0x790fafc82082 in __libc_start_main /build/glibc-SzIz7B/glibc-2.31/csu/libc-start.c:308:16    #19 0x43906d in _start

00000000: 2020 6966 2039 3c39 3c39 616e 6420 396f    if 9<9<9and 9o00000010: 7220 393a 39                             r 9:9

~/p/cpython ❯❯❯ ./python.exe -c "compile('if 9<9<9and 9or 9:9', '<na>', 'exec')"<na>:1: SyntaxWarning: invalid decimal literal<na>:1: SyntaxWarning: invalid decimal literalAssertion failed: (last->i_target != b->b_next), function no_redundant_jumps, file flowgraph.c, line 483.