On 22/08/2018 11:08, Peter Zijlstra wrote: >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10023961400000 > >> RIP: 0010:__fire_sched_in_preempt_notifiers kernel/sched/core.c:2481 > That repro thing does something dodgy with KVM, which then corrupts the > premption notifier thing. I'm sufficiently KVM clueless to not really > know where to start looking though.. It seems to be a reference counting issue, or something like that. I'm looking at it... Paolo
