On Wed, 2020-05-13 at 16:34 -0700, Kees Cook wrote:
> On Wed, May 13, 2020 at 07:00:43PM -0400, Mimi Zohar wrote:
> > On Wed, 2020-05-13 at 15:48 -0700, Scott Branden wrote:
> > >
> > > On 2020-05-13 3:12 p.m., Mimi Zohar wrote:
> > > > On Wed, 2020-05-13 at 21:28 +, Luis Chamberlain wrote:
>
On Wed, May 13, 2020 at 07:00:43PM -0400, Mimi Zohar wrote:
> On Wed, 2020-05-13 at 15:48 -0700, Scott Branden wrote:
> >
> > On 2020-05-13 3:12 p.m., Mimi Zohar wrote:
> > > On Wed, 2020-05-13 at 21:28 +, Luis Chamberlain wrote:
> > >> On Wed, May 13, 2020 at 05:20:14PM -0400, Mimi Zohar wrot
On Wed, 2020-05-13 at 15:48 -0700, Scott Branden wrote:
>
> On 2020-05-13 3:12 p.m., Mimi Zohar wrote:
> > On Wed, 2020-05-13 at 21:28 +, Luis Chamberlain wrote:
> >> On Wed, May 13, 2020 at 05:20:14PM -0400, Mimi Zohar wrote:
> >>> On Wed, 2020-05-13 at 12:41 -0700, Scott Branden wrote:
> >>>
On 2020-05-13 3:12 p.m., Mimi Zohar wrote:
On Wed, 2020-05-13 at 21:28 +, Luis Chamberlain wrote:
On Wed, May 13, 2020 at 05:20:14PM -0400, Mimi Zohar wrote:
On Wed, 2020-05-13 at 12:41 -0700, Scott Branden wrote:
On 2020-05-13 12:39 p.m., Mimi Zohar wrote:
On Wed, 2020-05-13 at 12:18
On Wed, 2020-05-13 at 21:28 +, Luis Chamberlain wrote:
> On Wed, May 13, 2020 at 05:20:14PM -0400, Mimi Zohar wrote:
> > On Wed, 2020-05-13 at 12:41 -0700, Scott Branden wrote:
> > >
> > > On 2020-05-13 12:39 p.m., Mimi Zohar wrote:
> > > > On Wed, 2020-05-13 at 12:18 -0700, Scott Branden wrot
On Wed, May 13, 2020 at 05:20:14PM -0400, Mimi Zohar wrote:
> On Wed, 2020-05-13 at 12:41 -0700, Scott Branden wrote:
> >
> > On 2020-05-13 12:39 p.m., Mimi Zohar wrote:
> > > On Wed, 2020-05-13 at 12:18 -0700, Scott Branden wrote:
> > >> On 2020-05-13 12:03 p.m., Mimi Zohar wrote:
> > >>> On Wed,
On Wed, 2020-05-13 at 12:41 -0700, Scott Branden wrote:
>
> On 2020-05-13 12:39 p.m., Mimi Zohar wrote:
> > On Wed, 2020-05-13 at 12:18 -0700, Scott Branden wrote:
> >> On 2020-05-13 12:03 p.m., Mimi Zohar wrote:
> >>> On Wed, 2020-05-13 at 11:53 -0700, Scott Branden wrote:
> >> Even if the kernel
On 2020-05-13 12:39 p.m., Mimi Zohar wrote:
On Wed, 2020-05-13 at 12:18 -0700, Scott Branden wrote:
On 2020-05-13 12:03 p.m., Mimi Zohar wrote:
On Wed, 2020-05-13 at 11:53 -0700, Scott Branden wrote:
Even if the kernel successfully verified the firmware file signature it
would just be wasti
On Wed, 2020-05-13 at 12:18 -0700, Scott Branden wrote:
> On 2020-05-13 12:03 p.m., Mimi Zohar wrote:
> > On Wed, 2020-05-13 at 11:53 -0700, Scott Branden wrote:
> Even if the kernel successfully verified the firmware file signature it
> would just be wasting its time. The kernel in these use cas
On 2020-05-13 12:03 p.m., Mimi Zohar wrote:
On Wed, 2020-05-13 at 11:53 -0700, Scott Branden wrote:
Hi Mimi,
On 2020-05-13 11:39 a.m., Mimi Zohar wrote:
[Cc'ing linux-security-module, linux-integrity]
On Thu, 2020-05-07 at 17:27 -0700, Scott Branden wrote:
Add kernel_pread_file* support t
On Wed, 2020-05-13 at 11:53 -0700, Scott Branden wrote:
> Hi Mimi,
>
> On 2020-05-13 11:39 a.m., Mimi Zohar wrote:
> > [Cc'ing linux-security-module, linux-integrity]
> >
> > On Thu, 2020-05-07 at 17:27 -0700, Scott Branden wrote:
> >> Add kernel_pread_file* support to kernel to allow for partial
On 2020-05-13 11:53 a.m., Scott Branden wrote:
Hi Mimi,
On 2020-05-13 11:39 a.m., Mimi Zohar wrote:
[Cc'ing linux-security-module, linux-integrity]
On Thu, 2020-05-07 at 17:27 -0700, Scott Branden wrote:
Add kernel_pread_file* support to kernel to allow for partial read
of files with an of
Hi Mimi,
On 2020-05-13 11:39 a.m., Mimi Zohar wrote:
[Cc'ing linux-security-module, linux-integrity]
On Thu, 2020-05-07 at 17:27 -0700, Scott Branden wrote:
Add kernel_pread_file* support to kernel to allow for partial read
of files with an offset into the file. Existing kernel_read_file
func
[Cc'ing linux-security-module, linux-integrity]
On Thu, 2020-05-07 at 17:27 -0700, Scott Branden wrote:
> Add kernel_pread_file* support to kernel to allow for partial read
> of files with an offset into the file. Existing kernel_read_file
> functions call new kernel_pread_file functions with off
On 2020-05-12 11:51 p.m., Greg Kroah-Hartman wrote:
On Tue, May 12, 2020 at 11:23:27PM -0700, Scott Branden wrote:
Hi Luis,
A few comments inline before I cleanup.
We do not export symbols when there are no in-kernel users.
Note: Existing kernel_read_file_from_path_initns is not used in th
On Tue, May 12, 2020 at 11:23:27PM -0700, Scott Branden wrote:
> Hi Luis,
>
> A few comments inline before I cleanup.
>
> On 2020-05-12 5:27 p.m., Luis Chamberlain wrote:
> > On Thu, May 07, 2020 at 05:27:33PM -0700, Scott Branden wrote:
> > > diff --git a/fs/exec.c b/fs/exec.c
> > > index 06b4c5
Hi Luis,
A few comments inline before I cleanup.
On 2020-05-12 5:27 p.m., Luis Chamberlain wrote:
On Thu, May 07, 2020 at 05:27:33PM -0700, Scott Branden wrote:
diff --git a/fs/exec.c b/fs/exec.c
index 06b4c550af5d..cfab212fab9d 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -896,10 +896,14 @@ stru
On Thu, May 07, 2020 at 05:27:33PM -0700, Scott Branden wrote:
> diff --git a/fs/exec.c b/fs/exec.c
> index 06b4c550af5d..cfab212fab9d 100644
> --- a/fs/exec.c
> +++ b/fs/exec.c
> @@ -896,10 +896,14 @@ struct file *open_exec(const char *name)
> }
> EXPORT_SYMBOL(open_exec);
>
> -int kernel_read
Add kernel_pread_file* support to kernel to allow for partial read
of files with an offset into the file. Existing kernel_read_file
functions call new kernel_pread_file functions with offset=0 and
flags=KERNEL_PREAD_FLAG_WHOLE.
Signed-off-by: Scott Branden
---
fs/exec.c | 96 ++
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