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Created on 2021-04-22 04:29 by xxm, last changed 2022-04-11 14:59 by admin. This issue is now closed.
| Messages (2) | |||
|---|---|---|---|
| msg391574 - (view) | Author: Xinmeng Xia (xxm) | Date: 2021-04-22 04:29 | |
We write a fuzz tool to fuzz Python standard libraries, and find three crashes: dis.dis(), dis.get_instructions() dis.show_code() in dis module.
dis.dis()
==========================================
xiaxinmeng:~ xiaxinmeng$ python3.10
Python 3.10.0a3 (v3.10.0a3:8bae2a958e, Dec 7 2020, 15:31:51)
[Clang 12.0.0 (clang-1200.0.32.27)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import dis
>>> dis.dis("s%-yPdrns"*1000000)
Segmentation fault: 11
=================================================
dis.get_instructions()
=================================================
Python 3.10.0a3 (v3.10.0a3:8bae2a958e, Dec 7 2020, 15:31:51)
[Clang 12.0.0 (clang-1200.0.32.27)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import dis
>>> dis.get_instructions("c/f/x"*1000000)
Segmentation fault: 11
==================================================
dis.show_code()
===================================================
Python 3.10.0a3 (v3.10.0a3:8bae2a958e, Dec 7 2020, 15:31:51)
[Clang 12.0.0 (clang-1200.0.32.27)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import dis
>>> dis.show_code("G/7/K"*1000000)
Segmentation fault: 11
====================================================
|
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| msg391579 - (view) | Author: Serhiy Storchaka (serhiy.storchaka) *  |
Date: 2021-04-22 07:15 | |
The problem is not related to dis, but to compile. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:59:44 | admin | set | github: 88075 |
| 2021-04-22 07:15:32 | serhiy.storchaka | set | status: open -> closed superseder: Compiling long expression leads to segfault (again) nosy: + serhiy.storchaka messages: + msg391579 resolution: duplicate stage: resolved |
| 2021-04-22 04:29:23 | xxm | create | |