Message 184193 - Python tracker

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Author	fijall
Recipients	fijall
Date	2013-03-14.21:09:03
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1363295343.27.0.178214767715.issue17423@psf.upfronthosting.co.za>
In-reply-to

Content
The bug is a little tricky to reproduce. You need a 32bit linux. First compile x.c with: gcc -O3 -g -shared -o x.so x.c -std=c99 -msse3 -ftree-vectorize -mfpmath=sse and run x.py. It segfaults because the alignment of stack is not preserved (and it's assumed on a modern linux). Patch attached.

The bug is a little tricky to reproduce. You need a 32bit linux. First compile x.c with:

gcc -O3 -g -shared -o x.so x.c -std=c99 -msse3 -ftree-vectorize -mfpmath=sse

and run x.py. It segfaults because the alignment of stack is not preserved (and it's assumed on a modern linux). Patch attached.

History
Date	User	Action	Args
2013-03-14 21:09:03	fijall	set	recipients: + fijall
2013-03-14 21:09:03	fijall	set	messageid: <1363295343.27.0.178214767715.issue17423@psf.upfronthosting.co.za>
2013-03-14 21:09:03	fijall	link	issue17423 messages
2013-03-14 21:09:03	fijall	create