[issue31426] Segfault during GC of generator object; invalid gi_frame?

2017-09-12 Thread STINNER Victor
STINNER Victor added the comment: I pointed bpo-26617 to Ian since Python 3.5.2 contains this GC crash, but it seems like it's not the same bug. -- nosy: +pitrou, serhiy.storchaka ___ Python tracker

[issue31426] Segfault during GC of generator object; invalid gi_frame?

2017-09-12 Thread STINNER Victor
STINNER Victor added the comment: Python 3.5 moved to security only fixes recently, it doesn't accept bug fixes anymore: https://devguide.python.org/#status-of-python-branches It would be nice to Python 3.5.4 at least, or better: Python 3.6.x. > (gdb) print *gen->gi_frame > $112 = {ob_base =

[issue31426] Segfault during GC of generator object; invalid gi_frame?

2017-09-12 Thread Ian Wienand
New submission from Ian Wienand: Using 3.5.2-2ubuntu0~16.04.3 (Xenial) we see an occasional segfault during garbage collection of a generator object A full backtrace is attached, but the crash appears to be triggered inside gen_traverse during gc --- (gdb) info args gen = 0x7f22385f0150

[issue31426] Segfault during GC of generator object; invalid gi_frame?

2017-09-12 Thread Ian Wienand
Changes by Ian Wienand : Added file: https://bugs.python.org/file47135/crash-py-bt.txt ___ Python tracker ___