On Thu, Jan 16, 2020 at 7:09 PM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Thu, Jan 16, 2020 at 06:47:06PM +0900, Masami Ichikawa wrote: > > When trace_clock option is not set and unstable clcok detected, > > tracing_set_default_clock() sets trace_clock(ThinkPad A285 is one of > > case). In that case, if lockdown is in effect, null pointer > > dereference error happens in ring_buffer_set_clock(). > > > > Link: https://bugzilla.redhat.com/show_bug.cgi?id=1788488 > > Signed-off-by: Masami Ichikawa <masami256@xxxxxxxxx> > > --- > > kernel/trace/trace.c | 5 +++++ > > 1 file changed, 5 insertions(+) > > > <formletter> > > This is not the correct way to submit patches for inclusion in the > stable kernel tree. Please read: > https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html > for how to do this properly. > > </formletter> Sorry, I'll resend patch without stable mailing list. -- Masami Ichikawa