On 03/15/2013 12:10 AM, richard -rw- weinberger wrote:
> Time to look at UML's __get_user().
Just FWIW the "memdup_user:" debug-patch-line is not only triggered by trinity.
It happens even if I regularly boot a UML guest (stable Gentoo x86):
$ /usr/local/bin/linux-v3.9-rc2-292-ga2362d2 earlypr
On Thu, Mar 14, 2013 at 10:24 PM, Toralf Förster wrote:
> On 03/14/2013 10:21 PM, Dave Jones wrote:
>> hah, strndup_user taking a signed long instead of a size_t as it's length
>> arg.
>>
>> either it needs to change, or it needs an explicit check for < 1
>>
>> I wonder how many other paths make
On 03/14/2013 10:21 PM, Dave Jones wrote:
> hah, strndup_user taking a signed long instead of a size_t as it's length arg.
>
> either it needs to change, or it needs an explicit check for < 1
>
> I wonder how many other paths make it possible to pass negative numbers here.
just for the statistic
On Thu, Mar 14, 2013 at 09:58:31PM +0100, Toralf Förster wrote:
> On 03/14/2013 09:51 PM, richard -rw- weinberger wrote:
> > Can you please re-run with the attached patch.
> > I'm wondering how much memory is requested.
> >>From reading the source I'd say it must be less than PAGE_SIZE.
> > Bu
On 03/14/2013 09:51 PM, richard -rw- weinberger wrote:
> Can you please re-run with the attached patch.
> I'm wondering how much memory is requested.
>>From reading the source I'd say it must be less than PAGE_SIZE.
> But such a small allocation would not trigger the WARN_ON()...
2013-03-14T21:56
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