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Re: SIGABRT and SIGV in libobjc2


From: David Chisnall
Subject: Re: SIGABRT and SIGV in libobjc2
Date: Fri, 8 Dec 2017 11:21:57 +0000

On 6 Dec 2017, at 13:46, Andreas Fink <address@hidden> wrote:
> 
> Also I saw a SIGSEGV crash where it points to a an object at address 
> 0xDEADFB0E. (offset to 0xDEADBEEF?)

This, specifically, looks like you’ve got a use-after-free of the object.  Your 
quoted line is setting the class to 0xdeadface and something is dereferencing 
the class pointer.

David




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