Re: perf: NULL ptr deref in perf_event_context_sched_in

2014-09-10 Thread Peter Zijlstra
On Tue, Sep 09, 2014 at 03:23:53PM -0400, Sasha Levin wrote: > While fuzzing with trinity inside a KVM tools guest running the latest -next > kernel, I've stumbled on the following spew: > > [ 1181.492212] BUG: unable to handle kernel NULL pointer dereference at > 0040 > [ 1181.50071

perf: NULL ptr deref in perf_event_context_sched_in

2014-09-09 Thread Sasha Levin
Hi all, While fuzzing with trinity inside a KVM tools guest running the latest -next kernel, I've stumbled on the following spew: [ 1181.492212] BUG: unable to handle kernel NULL pointer dereference at 0040 [ 1181.500717] IP: perf_event_context_sched_in (kernel/events/core.c:333 ker