On Wed, Nov 29, 2023 at 07:05:34PM -0800, Krister Johansen wrote:
> commit 8001f49394e353f035306a45bcf504f06fca6355 upstream.
>
> The code that checks for unknown boot options is unaware of the sysctl
> alias facility, which maps bootparams to sysctl values. If a user sets
> an old value that has a valid alias, a message about an invalid
> parameter will be printed during boot, and the parameter will get passed
> to init. Fix by checking for the existence of aliased parameters in the
> unknown boot parameter code. If an alias exists, don't return an error
> or pass the value to init.
>
> Signed-off-by: Krister Johansen <kjlx@xxxxxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 0a477e1ae21b ("kernel/sysctl: support handling command line aliases")
> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>
> Signed-off-by: Krister Johansen <kjlx@xxxxxxxxxxxxxxxxxx>
> ---
> fs/proc/proc_sysctl.c | 7 +++++++
> include/linux/sysctl.h | 6 ++++++
> init/main.c | 4 ++++
> 3 files changed, 17 insertions(+)
Now queued up, thanks.
greg k-h
