Date: Tue, 22 Jan 2013 15:59:46 +0100 From: pierre <pierre@...entlife.com> To: musl@...ts.openwall.com Subject: Re: dladdr() Rich, > in the event the stack has been smashed, > following the stack frames is likely > (almost certain) to lead you to [bad] > destinations [...] that might not even > be valid That's precisely what I wrote in that email that nobody seems to have read. And I added, just in case it could help, that dladdr should not crash when trying to lookup invalid addresses. > there won't be frame pointers to help you > follow the stack frames out of libc functions For mere mortals, knowing that it's in libc is enough, as they then will check what junk was given to libc (and then will write a workaround if they feel that libc is buggy). For those with a stronger motivation, helping to strengthen a decent libc makes a lot more sense. I have no other motivation when I invest some of my time here. Pierre.
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