How can I fetch the files likely directory

[Avinash Sridharan]

Pull a git repository from  git://
git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git

and create branch for the specific version of kernel that you are
interested in.

The http://kernelnewbies.org/KernelBuild gives all the instructions under
the "Which kernel to build?" section.

On Thu, Apr 23, 2015 at 9:00 AM <kernelnewbies-request at kernelnewbies.org>
wrote:

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> Today's Topics:
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>    1. How can I fetch the files likely directory
>       /usr/src/kernels/<kernel  version> from kernel source tree?
> (tianlilai)
>    2. execve error (Rohith)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 23 Apr 2015 17:59:56 +0800
> From: tianlilai <laitianli2015 at outlook.com>
> Subject: How can I fetch the files likely directory
>         /usr/src/kernels/<kernel        version> from kernel source tree?
> To: kernelnewbies at kernelnewbies.org
> Message-ID: <BLU436-SMTP88F0913B3897AE70E7C950A9ED0 at phx.gbl>
> Content-Type: text/plain; charset="utf-8"; format=flowed
>
>
> Hi,I have built the kernel source tree and running in PC mechine.Now I
> want to fetch the files likely directory /usr/src/kernels/<kernel
> version> from this kernel source tree.How can I do? Thanks very much!
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 23 Apr 2015 17:55:22 +0530
> From: Rohith <itsnotrohit at gmail.com>
> Subject: execve error
> To: kernelnewbies at kernelnewbies.org
> Message-ID:
>         <
> CABsTBT6S0vRNFo0bxxBcWDx3k8JMpzbYyKbbUB8oxT-W+8Tr-A at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi all,
>
> I'm facing a strange issue with execve. It fails with -EFAULT
> intermittently. I found that whenever it failed the stack allocated to the
> process is in the last page of the CONFIG_TASK_SIZE.
>
> For example, if CONFIG_TASK_SIZE is set to 0x4000_0000, the process would
> fail in execve if the stack happens to be in the page:
>
> 3ffdf000-40000000 rw-p 00000000 00:00 0          [stack]
>
> I tried changing CONFIG_TASK_SIZE=0x30000000 and the process this time
> fails at the end 0x30000000 address.
>
> I also found that the execve seem to use the largest stack address
> (STACK_TOP_MAX, function __bprm_mm_init(), fs/exec.c) while copying
> argv/envp to the new process space.
>
> I don't know how to debug further. I feel that the user process stack
> should never be allocated at the CONFIG_TASK_SIZE? Any idea or suggestion
> on how to debug further, please tell me.
>
> thanks,
> rohit
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