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Author pablogsal
Recipients Mark.Shannon, pablogsal
Date 2021-06-09.11:40:52
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1623238852.58.0.502709185678.issue44363@roundup.psfhosted.org>
In-reply-to
Content 
Also, I can reproduce locally without any fork whatsoever:

./python -m test test_lib2to3

SUMMARY: AddressSanitizer: heap-buffer-overflow Python/ceval.c:3549 in _PyEval_EvalFrameDefault
Shadow bytes around the buggy address:
  0x0c1c8003ec40: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x0c1c8003ec50: 00 00 00 00 00 00 00 00 00 00 00 00 fa fa fa fa
  0x0c1c8003ec60: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c1c8003ec70: 00 00 00 00 00 00 00 00 fa fa fa fa fa fa fa fa
  0x0c1c8003ec80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c1c8003ec90: 00 00 00 00 fa[fa]fa fa fa fa fa fa fd fd fd fd
  0x0c1c8003eca0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fa
  0x0c1c8003ecb0: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x0c1c8003ecc0: 00 00 00 00 00 00 00 00 00 00 00 00 fa fa fa fa
  0x0c1c8003ecd0: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c1c8003ece0: 00 00 00 00 00 00 00 00 fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==14183==ABORTING
History
Date User Action Args
2021-06-09 11:40:52pablogsalsetrecipients: + pablogsal, Mark.Shannon
2021-06-09 11:40:52pablogsalsetmessageid: <1623238852.58.0.502709185678.issue44363@roundup.psfhosted.org>
2021-06-09 11:40:52pablogsallinkissue44363 messages
2021-06-09 11:40:52pablogsalcreate