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[perl #123782] SEGV on wraparound

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From:
Hugo van der Sanden
Date:
February 10, 2015 14:44
Subject:
[perl #123782] SEGV on wraparound
Message ID:
rt-4.0.18-577-1423579443-536.123782-75-0@perl.org
# New Ticket Created by  Hugo van der Sanden 
# Please include the string:  [perl #123782]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=123782 >


% miniperl -ce '/(?7777777777)/'
Segmentation fault (core dumped)
% 

Found by AFL (<http://lcamtuf.coredump.cx/afl>).

This is caused by integer wraparound on a UV to I32 conversion; will add a fix shortly.


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