R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b75fb R13: 00007f9b86c52bc8 R14: 00000000004b75fb R15: 0000000000000000 INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 14468 Comm: syz-executor3 Not tainted 4.15.0-rc3-next-20171214+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xe9/0x14b lib/dump_stack.c:53 register_lock_class+0x164/0x5d0 kernel/locking/lockdep.c:752 __lock_acquire+0xb4/0x1430 kernel/locking/lockdep.c:3314 lock_acquire+0xbf/0x220 kernel/locking/lockdep.c:3914 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:315 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:349 [inline] skb_array_consume_bh include/linux/skb_array.h:136 [inline] pfifo_fast_reset+0x9a/0x1b0 net/sched/sch_generic.c:662 qdisc_destroy+0x94/0x210 net/sched/sch_generic.c:896 qdisc_create_dflt+0xa6/0xb0 net/sched/sch_generic.c:840 attach_one_default_qdisc net/sched/sch_generic.c:949 [inline] netdev_for_each_tx_queue include/linux/netdevice.h:1991 [inline] attach_default_qdiscs net/sched/sch_generic.c:968 [inline] dev_activate+0x295/0x3b0 net/sched/sch_generic.c:1011 __dev_open+0x119/0x180 net/core/dev.c:1389 __dev_change_flags+0x218/0x270 net/core/dev.c:6836 dev_change_flags+0x30/0x70 net/core/dev.c:6905 devinet_ioctl+0x77b/0x930 net/ipv4/devinet.c:1083 inet_ioctl+0xda/0x130 net/ipv4/af_inet.c:902 sock_do_ioctl+0x2c/0x60 net/socket.c:964 sock_ioctl+0x211/0x320 net/socket.c:1061 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0xaf/0x840 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007f9b86c52c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9b86c52aa0 RCX: 0000000000452a39 RDX: 000000002062ffe0 RSI: 0000000000008914 RDI: 0000000000000013 RBP: 00007f9b86c52a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b75fb R13: 00007f9b86c52bc8 R14: 00000000004b75fb R15: 0000000000000000 gre0: activation failed kvm [14491]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 kvm [14491]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): gre0: link is not ready device eql entered promiscuous mode kvm [14528]: vcpu1, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 kvm [14528]: vcpu1, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 kvm [14565]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode kvm [14565]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode device gre0 entered promiscuous mode kvm [14632]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 kvm [14632]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode audit: type=1400 audit(1513239275.826:8546): avc: denied { lock } for pid=15079 comm="syz-executor2" path="socket:[314374]" dev="sockfs" ino=314374 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode sctp: [Deprecated]: syz-executor0 (pid 15699) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor0 (pid 15709) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode sctp: [Deprecated]: syz-executor4 (pid 15828) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device gre0 entered promiscuous mode sctp: [Deprecated]: syz-executor4 (pid 15839) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor4 (pid 15875) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device gre0 entered promiscuous mode sctp: [Deprecated]: syz-executor4 (pid 15911) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor4 (pid 15911) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor4 (pid 15936) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device gre0 entered promiscuous mode sctp: [Deprecated]: syz-executor4 (pid 15945) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device gre0 entered promiscuous mode sctp: [Deprecated]: syz-executor4 (pid 15983) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): gre0: link is not ready device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode kvm_set_msr_common: 55 callbacks suppressed kvm [16503]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 kvm [16503]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode kvm [16553]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode kvm [16553]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode device gre0 entered promiscuous mode kvm [16618]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 kvm [16618]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode device gre0 entered promiscuous mode QAT: Invalid ioctl device gre0 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl kvm [16656]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 QAT: Invalid ioctl kvm [16656]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode QAT: Invalid ioctl device gre0 entered promiscuous mode QAT: Invalid ioctl device gre0 entered promiscuous mode device gre0 entered promiscuous mode kvm [16743]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode device gre0 entered promiscuous mode kvm [16743]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode kvm_set_msr_common: 123 callbacks suppressed kvm [18615]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 kvm [18651]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 kvm [18650]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011 kvm [18651]: vcpu0, guest rIP: 0x9124 disabled perfctr wrmsr: 0x187 data 0xe0000011