Dave,
can you pls answer to Richards question:
So, we trigger "if (WARN_ON_ONCE(size > KMALLOC_MAX_SIZE))".
Now I'm wondering what kind of argument string trinity gave to mount().
How long is it?
Original Message
Subject: Re: [uml-user] WARNING: at mm
On Sat, May 11, 2013 at 10:36 AM, Toralf Förster wrote:
>
> Dave,
>
> can you pls answer to Richards question:
>
> So, we trigger "if (WARN_ON_ONCE(size > KMALLOC_MAX_SIZE))".
> Now I'm wondering what kind of argument string trinity gave to
> mount().
> How long is it?
He
On 05/11/2013 10:47 AM, richard -rw- weinberger wrote:
> On Sat, May 11, 2013 at 10:36 AM, Toralf Förster
> wrote:
>>
>> Dave,
>>
>> can you pls answer to Richards question:
>>
>> So, we trigger "if (WARN_ON_ONCE(size > KMALLOC_MAX_SIZE))".
>> Now I'm wondering what kind of argume
> With this change:
>
> diff --git a/fs/namespace.c b/fs/namespace.c
> index 7b1ca9b..289211d 100644
> --- a/fs/namespace.c
> +++ b/fs/namespace.c
> @@ -2236,6 +2236,8 @@ int copy_mount_string(const void __user *data, char
> **where)
> return 0;
> }
>
> + printk(" h
On Sat, May 11, 2013 at 1:01 PM, Sergei Trofimovich wrote:
>> With this change:
>>
>> diff --git a/fs/namespace.c b/fs/namespace.c
>> index 7b1ca9b..289211d 100644
>> --- a/fs/namespace.c
>> +++ b/fs/namespace.c
>> @@ -2236,6 +2236,8 @@ int copy_mount_string(const void __user *data, char
>> **whe
On Sat, May 11, 2013 at 1:01 PM, Sergei Trofimovich wrote:
>> With this change:
>>
>> diff --git a/fs/namespace.c b/fs/namespace.c
>> index 7b1ca9b..289211d 100644
>> --- a/fs/namespace.c
>> +++ b/fs/namespace.c
>> @@ -2236,6 +2236,8 @@ int copy_mount_string(const void __user *data, char
>> **whe
On Sat, May 11, 2013 at 2:26 PM, richard -rw- weinberger
wrote:
> On Sat, May 11, 2013 at 1:01 PM, Sergei Trofimovich wrote:
>>> With this change:
>>>
>>> diff --git a/fs/namespace.c b/fs/namespace.c
>>> index 7b1ca9b..289211d 100644
>>> --- a/fs/namespace.c
>>> +++ b/fs/namespace.c
>>> @@ -2236,
On 05/11/2013 02:27 PM, richard -rw- weinberger wrote:
> On Sat, May 11, 2013 at 2:26 PM, richard -rw- weinberger
> wrote:
>> On Sat, May 11, 2013 at 1:01 PM, Sergei Trofimovic>> Toralf, please use the
>> attached patch.
>> Maybe it helps us.
>> In theory we call kmalloc() with at most PAGE_SIZE,
On Sat, May 11, 2013 at 3:19 PM, Toralf Förster wrote:
> On 05/11/2013 02:27 PM, richard -rw- weinberger wrote:
>> On Sat, May 11, 2013 at 2:26 PM, richard -rw- weinberger
>> wrote:
>>> On Sat, May 11, 2013 at 1:01 PM, Sergei Trofimovic>> Toralf, please use the
>>> attached patch.
>>> Maybe it h
On Sat, 11 May 2013 13:29:23 +0200
richard -rw- weinberger wrote:
> On Sat, May 11, 2013 at 1:01 PM, Sergei Trofimovich wrote:
> >> With this change:
> >>
> >> diff --git a/fs/namespace.c b/fs/namespace.c
> >> index 7b1ca9b..289211d 100644
> >> --- a/fs/namespace.c
> >> +++ b/fs/namespace.c
> >>
On Sat, May 11, 2013 at 3:26 PM, richard -rw- weinberger
wrote:
> On Sat, May 11, 2013 at 3:19 PM, Toralf Förster
> wrote:
>> On 05/11/2013 02:27 PM, richard -rw- weinberger wrote:
>>> On Sat, May 11, 2013 at 2:26 PM, richard -rw- weinberger
>>> wrote:
On Sat, May 11, 2013 at 1:01 PM, Serg
On 05/11/2013 03:26 PM, richard -rw- weinberger wrote:
> Does the attached patch fix the problem?
yes,
but this occurred (probably completely unrelated :)
2013-05-11T15:42:32.829+02:00 trinity kernel: Adding 262140k swap on
/dev/mapper/crypt-swap. Priority:-1 extents:1 across:262140k FS
2013-05
On 05/11/2013 03:37 PM, richard -rw- weinberger wrote:
> Found the real problem, UML's strnlen_user() is broken.
> Please test the attached patch.
yeah, that works now :-)
--
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
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