➜

This issue tracker has been migrated to GitHub, and is currently read-only.
For more information, see the GitHub FAQs in the Python's Developer Guide.

Author serhiy.storchaka
Recipients serhiy.storchaka
Date 2021-09-17.06:56:41
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1631861802.59.0.0581666676393.issue45228@roundup.psfhosted.org>
In-reply-to
Content 
It can be reproduced when run test.test_socket.J1939Test (omitted in regrtests now, see issue45187) with Address Sanitizer. See for example https://github.com/python/cpython/pull/28317/checks?check_run_id=3625390397.

It can be reproduced when run test.test_socket.J1939Test with unittest:

$ ./python -m unittest -v test.test_socket -k J1939Test

See J1939Test.log for output.

The cause is using PyArg_ParseTuple() with format unit "k" (unsigned long) and variable of type uint32_t. PyArg_ParseTuple() should only be used with native integer types (short, int, long, long long), it does not support support types of fixed size (uint16_t, uint32_t, uint64_t).
History
Date User Action Args
2021-09-17 06:56:42serhiy.storchakasetrecipients: + serhiy.storchaka
2021-09-17 06:56:42serhiy.storchakasetmessageid: <1631861802.59.0.0581666676393.issue45228@roundup.psfhosted.org>
2021-09-17 06:56:42serhiy.storchakalinkissue45228 messages
2021-09-17 06:56:41serhiy.storchakacreate