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Re: qemu-x86_64, buster /sbin/ldconfig and setup_arg_pages (a mind dump)

From: Richard Henderson
Subject: Re: qemu-x86_64, buster /sbin/ldconfig and setup_arg_pages (a mind dump)
Date: Fri, 17 Jan 2020 08:10:54 -1000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

On 1/17/20 7:33 AM, Alex Bennée wrote:
> So what do we take away from this?
>  * we need testcases to exercise the memory layout of dynamic binaries
>  * "special" dynamic binaries can break our careful memory layout
>  * I feel as though I've trodden on a nest of vipers
> Does any of this track with you? What is different about ldconfig that
> breaks our memory placement?

We've been through this bug before, but never came to a resolution.  See



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