On Wed, 25 Jan 2017 15:35:32 +0100 Peter Zijlstra <[email protected]> wrote:
> On Wed, Jan 25, 2017 at 03:32:11PM +0100, Alexander Potapenko wrote: > > > > @@ -300,6 +301,8 @@ void kasan_report(unsigned long addr, size_t size, > > > if (likely(!kasan_report_enabled())) > > > return; > > > > > > + disable_trace_on_warning(); > > > + > > Who is going to enable tracing back after we're done? > > The user.. Yep, # echo 1 > /sys/kernel/debug/tracing/tracing_on Re-enables tracing. -- Steve > > > Note that KASAN errors are not fatal, and the first one may possibly > > occur quite early. > > WARN*() isn't fatal either, and it does the same thing. Note that > traceoff_on_warning is default disabled. You have to explicitly request > this.
