Arnd, Christoph,
On Thu, Mar 15, 2018 at 09:44:24PM +0100, Arnd Bergmann wrote:
> > diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
> > index 4afb04686c8e..5743f04014ca 100644
> > --- a/drivers/base/devtmpfs.c
> > +++ b/drivers/base/devtmpfs.c
> > @@ -387,7 +387,7 @@ static int devt
> > + ksys_chroot(".");
> > complete(&setup_done);
> > while (1) {
> > spin_lock(&req_lock);
>
> Could this be done using kern_path()/set_fs_root() instead so we
> avoid the __user pointer?
Agreed. Especially as we don't need any of the permission checks her
On Thu, Mar 15, 2018 at 8:05 PM, Dominik Brodowski
wrote:
> Using this helper allows us to avoid the in-kernel calls to the sys_chroot()
> syscall.
>
> Cc: Alexander Viro
> Signed-off-by: Dominik Brodowski
> ---
> drivers/base/devtmpfs.c | 2 +-
> fs/open.c| 7 ++-
> includ
Using this helper allows us to avoid the in-kernel calls to the sys_chroot()
syscall.
Cc: Alexander Viro
Signed-off-by: Dominik Brodowski
---
drivers/base/devtmpfs.c | 2 +-
fs/open.c| 7 ++-
include/linux/syscalls.h | 1 +
init/do_mounts.c | 2 +-
init/do_mounts_in
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