One of the benefits of running on top of a VM.

On Thursday, January 5, 2017 at 1:52:58 PM UTC-8, Alon Zakai wrote:
>
> Nice idea!
>
> On Thu, Jan 5, 2017 at 11:27 AM, Charles Vaughn <[email protected] 
> <javascript:>> wrote:
>
>> This is a trick I came up with while debugging some memory corruption, 
>> using JS Proxies 
>> https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy
>>  
>> you can break on arbitrary memory access.
>>
>> A gist demonstrating it is here: 
>> https://gist.github.com/hackcasual/c0b8ae2c034397f29ffd5d6e0606ef79
>>
>> I believe in Firefox you would need to remove the "use asm" as this is 
>> not valid asm.js.
>>
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