[lkml]   [2022]   [Dec]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] nsfs: add compat ioctl handler
On Sun, Dec 18, 2022 at 09:07:25PM +0000, Thomas Weißschuh wrote:
> As all parameters and return values of the ioctls have the same
> representation on both 32bit and 64bit we can reuse the normal ioctl
> handler for the compat handler.
> All nsfs ioctls return a plain "int" filedescriptor which is a signed
> 4-byte integer type on both 32bit and 64bit.
> The only parameter taken is by NS_GET_OWNER_UID and is a pointer to a
> "uid_t" which is a 4-byte unsigned integer type on both 32bit and 64bit.
> Fixes: 6786741dbf99 ("nsfs: add ioctl to get an owning user namespace for ns file descriptor")
> Reported-By: Karel Zak <>
> Signed-off-by: Thomas Weißschuh <>

NAK. This is broken on s390; use compat_ptr_ioctl instead.

 \ /
  Last update: 2022-12-18 22:26    [W:0.022 / U:0.612 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site