Re: [PATCH] fs/nsfs.c: fix ioctl support of compat processes

2020-09-07 Thread Dmitry V. Levin
Hi, On Fri, Jul 24, 2020 at 02:31:19PM -0500, Eric W. Biederman wrote: > Michael, > > As the original author of NS_GET_OWNER_UID can you take a look at this? This is a gentle reminder that my patch hasn't been applied, the problem reported by Ákos Uzonyi hasn't been fixed, and the example in ioc

Re: [PATCH] fs/nsfs.c: fix ioctl support of compat processes

2020-07-24 Thread Eric W. Biederman
Michael, As the original author of NS_GET_OWNER_UID can you take a look at this? "Dmitry V. Levin" writes: > On Fri, Jul 24, 2020 at 11:20:26AM +0200, Arnd Bergmann wrote: >> On Fri, Jul 24, 2020 at 2:12 AM Dmitry V. Levin wrote: >> > >> > According to Documentation/driver-api/ioctl.rst, in

Re: [PATCH] fs/nsfs.c: fix ioctl support of compat processes

2020-07-24 Thread Dmitry V. Levin
On Fri, Jul 24, 2020 at 11:20:26AM +0200, Arnd Bergmann wrote: > On Fri, Jul 24, 2020 at 2:12 AM Dmitry V. Levin wrote: > > > > According to Documentation/driver-api/ioctl.rst, in order to support > > 32-bit user space running on a 64-bit kernel, each subsystem or driver > > that implements an ioc

Re: [PATCH] fs/nsfs.c: fix ioctl support of compat processes

2020-07-24 Thread Arnd Bergmann
On Fri, Jul 24, 2020 at 2:12 AM Dmitry V. Levin wrote: > > According to Documentation/driver-api/ioctl.rst, in order to support > 32-bit user space running on a 64-bit kernel, each subsystem or driver > that implements an ioctl callback handler must also implement the > corresponding compat_ioctl