[issue46599] Objects/object.c:767:24: runtime error: member access within null pointer of type 'PyObject' (aka 'struct _object')

2022-02-01 Thread Christian Heimes
Christian Heimes added the comment: The crash occurs inside marshal module (Python/marshal.c). The marshal module is unsafe and cannot safely parse malicious code. Bad marshal code is expected to crash the interpreter. -- nosy: +christian.heimes resolution: -> wont fix stage: ->

[issue46599] Objects/object.c:767:24: runtime error: member access within null pointer of type 'PyObject' (aka 'struct _object')

2022-02-01 Thread A-Shvedov
New submission from A-Shvedov : Hello. Got an error with AFLplusplus, with crafted sample: https://github.com/a-shvedov/res/blob/master/fuzzing/python/crashes/id:00%2Csig:11%2Csrc:009074%2Ctime:446401660%2Cexecs:16120011%2Cop:arith8%2Cpos:16%2Cval:-21 Compiled with: clang (version 6.0.0-3)