lkml.org 
[lkml]   [2022]   [Feb]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v1] printk: Fix incorrect __user type in proc_dointvec_minmax_sysadmin()
On (22/02/03 15:50), Mickaël Salaün wrote:
> The move of proc_dointvec_minmax_sysadmin() from kernel/sysctl.c to
> kernel/printk/sysctl.c introduced an incorrect __user attribute to the
> buffer argument. I spotted this change in [1] as well as the kernel
> test robot. Revert this change to please sparse:
>
> kernel/printk/sysctl.c:20:51: warning: incorrect type in argument 3 (different address spaces)
> kernel/printk/sysctl.c:20:51: expected void *
> kernel/printk/sysctl.c:20:51: got void [noderef] __user *buffer
>
> Fixes: faaa357a55e0 ("printk: move printk sysctl to printk/sysctl.c")
> Link: https://lore.kernel.org/r/20220104155024.48023-2-mic@digikod.net [1]
> Reported-by: kernel test robot <lkp@intel.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: John Ogness <john.ogness@linutronix.de>
> Cc: Linus Torvalds <torvalds@linux-foundation.org>
> Cc: Luis Chamberlain <mcgrof@kernel.org>
> Cc: Petr Mladek <pmladek@suse.com>
> Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> Cc: Xiaoming Ni <nixiaoming@huawei.com>
> Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
> Link: https://lore.kernel.org/r/20220203145029.272640-1-mic@digikod.net

Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>

\
 
 \ /
  Last update: 2022-02-04 04:10    [W:0.067 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site