[Python-Dev] Doubly linked lists in Python core?
David Malcolm
dmalcolm at redhat.com
Tue Jun 11 21:38:47 CEST 2013
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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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