Review request (hs24): 8007074: SIGSEGV at ParMarkBitMap::verify_clear()

[Florian Weimer]

On 07/10/2013 07:27 AM, Stefan Karlsson wrote:

>> So what does mprotect() do when you change a PROT_NONE mapping
>> to something else and there is no swap space available? Do you lose
>> your original PROT_NONE mapping entry?
>
> The mapping entry was left intact when I tried that.

And mprotect() is supposed to return ENOMEM in this case.

-- 
Florian Weimer / Red Hat Product Security Team