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Description
Bug report
Bug description:
Thefuzz_pycompile identified an assertion failure:
Running: /mnt/scratch0/clusterfuzz/bot/inputs/fuzzer-testcases/crash-09bb1aea9610b3c790c03fc92383fb3d19f08654-- | <fuzz input>:1: SyntaxWarning: invalid decimal literal | <fuzz input>:1: SyntaxWarning: invalid decimal literal | fuzz_pycompile: Python/flowgraph.c:1813: void insert_superinstructions(cfg_builder *): Assertion `no_redundant_nops(g)' failed. | MemorySanitizer:DEADLYSIGNAL | ==53716==ERROR: MemorySanitizer: ABRT on unknown address 0x05390000d1d4 (pc 0x7eaab279400b bp 0x7eaab2909588 sp 0x7ffd50f56110 T53716) | #0 0x7eaab279400b in raise /build/glibc-SzIz7B/glibc-2.31/sysdeps/unix/sysv/linux/raise.c:51:1 | #1 0x7eaab2773858 in abort /build/glibc-SzIz7B/glibc-2.31/stdlib/abort.c:79:7 | #2 0x7eaab2773728 in __assert_fail_base /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:92:3 | #3 0x7eaab2784fd5 in __assert_fail /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:101:3 | #4 0xc79572 in insert_superinstructions cpython3/Python/flowgraph.c:1813:5 | #5 0xc79572 in _PyCfg_OptimizeCodeUnit cpython3/Python/flowgraph.c:2424:5 | #6 0xb388cf in optimize_and_assemble_code_unit cpython3/Python/compile.c:7597:9 | #7 0xb388cf in optimize_and_assemble cpython3/Python/compile.c:7639:12 | #8 0xb296b6 in compiler_mod cpython3/Python/compile.c:1802:24 | #9 0xb296b6 in _PyAST_Compile cpython3/Python/compile.c:555:24 | #10 0xe531b9 in Py_CompileStringObject cpython3/Python/pythonrun.c:1452:10 | #11 0xe53554 in Py_CompileStringExFlags cpython3/Python/pythonrun.c:1465:10 | #12 0x54f518 in fuzz_pycompile cpython3/Modules/_xxtestfuzz/fuzzer.c:550:24 | #13 0x54f518 in _run_fuzz cpython3/Modules/_xxtestfuzz/fuzzer.c:563:14 | #14 0x54f518 in LLVMFuzzerTestOneInput cpython3/Modules/_xxtestfuzz/fuzzer.c:704:11 | #15 0x458603 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:611:15 | #16 0x443d62 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:324:6 | #17 0x44960c in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:860:9 | #18 0x472b42 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10 | #19 0x7eaab2775082 in __libc_start_main /build/glibc-SzIz7B/glibc-2.31/csu/libc-start.c:308:16 | #20 0x439f2d in _start | <br>Running: /mnt/scratch0/clusterfuzz/bot/inputs/fuzzer-testcases/crash-09bb1aea9610b3c790c03fc92383fb3d19f08654<fuzz input>:1: SyntaxWarning: invalid decimal literal<fuzz input>:1: SyntaxWarning: invalid decimal literalfuzz_pycompile: Python/flowgraph.c:1813: void insert_superinstructions(cfg_builder *): Assertion `no_redundant_nops(g)' failed.MemorySanitizer:DEADLYSIGNAL==53716==ERROR: MemorySanitizer: ABRT on unknown address 0x05390000d1d4 (pc 0x7eaab279400b bp 0x7eaab2909588 sp 0x7ffd50f56110 T53716) #0 0x7eaab279400b in raise /build/glibc-SzIz7B/glibc-2.31/sysdeps/unix/sysv/linux/raise.c:51:1 #1 0x7eaab2773858 in abort /build/glibc-SzIz7B/glibc-2.31/stdlib/abort.c:79:7 #2 0x7eaab2773728 in __assert_fail_base /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:92:3 #3 0x7eaab2784fd5 in __assert_fail /build/glibc-SzIz7B/glibc-2.31/assert/assert.c:101:3 #4 0xc79572 in insert_superinstructions [cpython3/Python/flowgraph.c:1813](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Python/flowgraph.c#L1813):5 #5 0xc79572 in _PyCfg_OptimizeCodeUnit [cpython3/Python/flowgraph.c:2424](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Python/flowgraph.c#L2424):5 #6 0xb388cf in optimize_and_assemble_code_unit [cpython3/Python/compile.c:7597](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Python/compile.c#L7597):9 #7 0xb388cf in optimize_and_assemble [cpython3/Python/compile.c:7639](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Python/compile.c#L7639):12 #8 0xb296b6 in compiler_mod [cpython3/Python/compile.c:1802](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Python/compile.c#L1802):24 #9 0xb296b6 in _PyAST_Compile [cpython3/Python/compile.c:555](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Python/compile.c#L555):24 #10 0xe531b9 in Py_CompileStringObject [cpython3/Python/pythonrun.c:1452](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Python/pythonrun.c#L1452):10 #11 0xe53554 in Py_CompileStringExFlags [cpython3/Python/pythonrun.c:1465](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Python/pythonrun.c#L1465):10 #12 0x54f518 in fuzz_pycompile [cpython3/Modules/_xxtestfuzz/fuzzer.c:550](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Modules/_xxtestfuzz/fuzzer.c#L550):24 #13 0x54f518 in _run_fuzz [cpython3/Modules/_xxtestfuzz/fuzzer.c:563](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Modules/_xxtestfuzz/fuzzer.c#L563):14 #14 0x54f518 in LLVMFuzzerTestOneInput [cpython3/Modules/_xxtestfuzz/fuzzer.c:704](https://github.com/python/cpython/blob/e0fb7004ede71389c9dd462cd03352cc3c3a4d8c/Modules/_xxtestfuzz/fuzzer.c#L704):11 #15 0x458603 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerLoop.cpp:611:15 #16 0x443d62 in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*, unsigned long) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:324:6 #17 0x44960c in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned char const*, unsigned long)) /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerDriver.cpp:860:9 #18 0x472b42 in main /src/llvm-project/compiler-rt/lib/fuzzer/FuzzerMain.cpp:20:10 #19 0x7eaab2775082 in __libc_start_main /build/glibc-SzIz7B/glibc-2.31/csu/libc-start.c:308:16 #20 0x439f2d in _startReproducer (note that the first two bytes are metadata for the fuzzer):
00000000: 2020 6966 2035 6966 2035 656c 7365 2054 if 5if 5else T00000010: 3a79 :ycc:@bradlarsen
CPython versions tested on:
CPython main branch
Operating systems tested on:
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