[Python-Dev] Doubly linked lists in Python core? (original) (raw)
David Malcolm dmalcolm at redhat.com
Tue Jun 11 21:38:47 CEST 2013
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On Tue, 2013-06-11 at 12:14 -0700, Benjamin Peterson wrote:
2013/6/11 Skip Montanaro <skip at pobox.com>: > I encountered this disconcerting message yesterday on a Linux system > running Python 2.7.2: > > *** glibc detected *** /opt/local/bin/python: corrupted double-linked > list: 0x0000000003b01c90 ***
I suspect that's a corrupt linked list interal to glibc.
Yes: almost certainly the one inside glibc's implementation of malloc.
Somewhere in the process you have a double-free, or a buffer overrun that's splatting the links that live in memory between the allocated bufffers.
You may want to try running the process under valgrind.
Hope this is helpful Dave
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