[ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. 2020/09/01 11:05:34 parsed 1 programs 2020/09/01 11:05:35 executed programs: 0 syzkaller login: [ 559.375211][ T6846] IPVS: ftp: loaded support on port[0] = 21 [ 559.538333][ T6846] chnl_net:caif_netlink_parms(): no params data found [ 559.595664][ T6846] bridge0: port 1(bridge_slave_0) entered blocking state [ 559.603117][ T6846] bridge0: port 1(bridge_slave_0) entered disabled state [ 559.612280][ T6846] device bridge_slave_0 entered promiscuous mode [ 559.622260][ T6846] bridge0: port 2(bridge_slave_1) entered blocking state [ 559.629454][ T6846] bridge0: port 2(bridge_slave_1) entered disabled state [ 559.637171][ T6846] device bridge_slave_1 entered promiscuous mode [ 559.659799][ T6846] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 559.672105][ T6846] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 559.695252][ T6846] team0: Port device team_slave_0 added [ 559.702626][ T6846] team0: Port device team_slave_1 added [ 559.722812][ T6846] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 559.729921][ T6846] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 559.755870][ T6846] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 559.768352][ T6846] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 559.775430][ T6846] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 559.801473][ T6846] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 559.828970][ T6846] device hsr_slave_0 entered promiscuous mode [ 559.835677][ T6846] device hsr_slave_1 entered promiscuous mode [ 559.936303][ T6846] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 559.945938][ T6846] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 559.956307][ T6846] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 559.966511][ T6846] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 559.993891][ T6846] bridge0: port 2(bridge_slave_1) entered blocking state [ 560.001041][ T6846] bridge0: port 2(bridge_slave_1) entered forwarding state [ 560.008528][ T6846] bridge0: port 1(bridge_slave_0) entered blocking state [ 560.015651][ T6846] bridge0: port 1(bridge_slave_0) entered forwarding state [ 560.064151][ T6846] 8021q: adding VLAN 0 to HW filter on device bond0 [ 560.077098][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 560.088262][ T6824] bridge0: port 1(bridge_slave_0) entered disabled state [ 560.096770][ T6824] bridge0: port 2(bridge_slave_1) entered disabled state [ 560.105287][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 560.117899][ T6846] 8021q: adding VLAN 0 to HW filter on device team0 [ 560.131878][ T6824] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 560.141678][ T6824] bridge0: port 1(bridge_slave_0) entered blocking state [ 560.148728][ T6824] bridge0: port 1(bridge_slave_0) entered forwarding state [ 560.170646][ T2626] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 560.179165][ T2626] bridge0: port 2(bridge_slave_1) entered blocking state [ 560.186319][ T2626] bridge0: port 2(bridge_slave_1) entered forwarding state [ 560.195152][ T2626] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 560.205722][ T7067] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 560.215604][ T6920] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 560.228746][ T7067] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 560.242333][ T6920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 560.254103][ T6846] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 560.273739][ T6920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 560.281810][ T6920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 560.295067][ T6846] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 560.315355][ T6920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 560.336334][ T7067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 560.345558][ T7067] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 560.354178][ T7067] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 560.366134][ T6846] device veth0_vlan entered promiscuous mode [ 560.378972][ T6846] device veth1_vlan entered promiscuous mode [ 560.402046][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 560.411574][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 560.421315][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 560.432338][ T6846] device veth0_macvtap entered promiscuous mode [ 560.442992][ T6846] device veth1_macvtap entered promiscuous mode [ 560.461678][ T6846] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 560.470378][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 560.481313][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 560.493997][ T6846] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 560.501853][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 560.514567][ T6846] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 560.523682][ T6846] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 560.532510][ T6846] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 560.541290][ T6846] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 561.370818][ T17] Bluetooth: hci0: command 0x0409 tx timeout 2020/09/01 11:05:40 executed programs: 68 [ 563.450134][ T6920] Bluetooth: hci0: command 0x041b tx timeout [ 565.529992][ T6920] Bluetooth: hci0: command 0x040f tx timeout [ 567.609434][ T17] Bluetooth: hci0: command 0x0419 tx timeout 2020/09/01 11:05:45 executed programs: 196 2020/09/01 11:05:50 executed programs: 425 2020/09/01 11:05:55 executed programs: 722 2020/09/01 11:06:00 executed programs: 1026 2020/09/01 11:06:05 executed programs: 1324 2020/09/01 11:06:10 executed programs: 1622 2020/09/01 11:06:15 executed programs: 1918 2020/09/01 11:06:20 executed programs: 2219 2020/09/01 11:06:25 executed programs: 2511 [ 611.131014][ T0] NOHZ: local_softirq_pending 08 2020/09/01 11:06:30 executed programs: 2815 2020/09/01 11:06:35 executed programs: 3105 2020/09/01 11:06:40 executed programs: 3403 2020/09/01 11:06:45 executed programs: 3694 2020/09/01 11:06:50 executed programs: 3992 2020/09/01 11:06:55 executed programs: 4283 2020/09/01 11:07:00 executed programs: 4575 2020/09/01 11:07:05 executed programs: 4864 2020/09/01 11:07:10 executed programs: 5163 2020/09/01 11:07:15 executed programs: 5448 2020/09/01 11:07:20 executed programs: 5742 2020/09/01 11:07:25 executed programs: 6026 2020/09/01 11:07:30 executed programs: 6316 2020/09/01 11:07:35 executed programs: 6609 [ 682.329719][ T17] Bluetooth: hci0: command 0x0406 tx timeout 2020/09/01 11:07:40 executed programs: 6904 2020/09/01 11:07:45 executed programs: 7177 [ 693.051104][ T0] NOHZ: local_softirq_pending 08 2020/09/01 11:07:50 executed programs: 7457 2020/09/01 11:07:55 executed programs: 7742 2020/09/01 11:08:00 executed programs: 8025 2020/09/01 11:08:05 executed programs: 8315 2020/09/01 11:08:10 executed programs: 8599 [ 713.997482][ T699] ------------[ cut here ]------------ [ 714.003078][ T699] WARNING: CPU: 1 PID: 699 at kernel/locking/lockdep.c:853 register_lock_class+0x1f0/0x1630 [ 714.013127][ T699] Kernel panic - not syncing: panic_on_warn set ... [ 714.020643][ T699] CPU: 1 PID: 699 Comm: syz-executor.0 Not tainted 5.9.0-rc3-syzkaller #0 [ 714.029109][ T699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 714.039179][ T699] Call Trace: [ 714.042530][ T699] dump_stack+0x198/0x1fd [ 714.046921][ T699] panic+0x347/0x7c0 [ 714.050814][ T699] ? __warn_printk+0xf3/0xf3 [ 714.055405][ T699] ? printk+0xba/0xed [ 714.059366][ T699] ? log_store.cold+0x16/0x16 [ 714.064037][ T699] ? enable_ptr_key_workfn+0x30/0x30 [ 714.069305][ T699] ? __warn.cold+0x5/0x46 [ 714.074313][ T699] ? __warn+0xd6/0x1f2 [ 714.078374][ T699] ? register_lock_class+0x1f0/0x1630 [ 714.083736][ T699] __warn.cold+0x20/0x46 [ 714.087964][ T699] ? register_lock_class+0x1f0/0x1630 [ 714.093309][ T699] report_bug+0x1bd/0x210 [ 714.097700][ T699] handle_bug+0x38/0x90 [ 714.101849][ T699] exc_invalid_op+0x14/0x40 [ 714.106384][ T699] asm_exc_invalid_op+0x12/0x20 [ 714.111216][ T699] RIP: 0010:register_lock_class+0x1f0/0x1630 [ 714.117180][ T699] Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 fd 0f 00 00 4d 3b 67 18 74 0b 49 81 3f 00 b5 ed 8b 74 02 <0f> 0b 85 ed 0f 84 b2 00 00 00 f6 44 24 04 01 0f 85 a7 00 00 00 83 [ 714.136765][ T699] RSP: 0018:ffffc90006647a28 EFLAGS: 00010002 [ 714.142805][ T699] RAX: dffffc0000000000 RBX: 1ffff92000cc8f4c RCX: ffffffff8c96f160 [ 714.150843][ T699] RDX: 1ffff1101269d10f RSI: 0000000000000000 RDI: ffff8880934e8878 [ 714.158795][ T699] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 714.166743][ T699] R10: fffffbfff15646f1 R11: 0000000000000000 R12: ffffffff88fea880 [ 714.175125][ T699] R13: ffffffff8d509440 R14: ffffffff8c633f48 R15: ffff8880934e8860 [ 714.183110][ T699] ? is_dynamic_key+0x1a0/0x1a0 [ 714.188024][ T699] ? lock_is_held_type+0xbb/0xf0 [ 714.193890][ T699] ? find_held_lock+0x2d/0x110 [ 714.198628][ T699] __lock_acquire+0xf9/0x5570 [ 714.203390][ T699] ? aa_profile_af_perm+0x2e0/0x2e0 [ 714.208621][ T699] ? tomoyo_check_unix_acl+0x100/0x100 [ 714.214058][ T699] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 714.220016][ T699] ? tomoyo_check_inet_address+0xe6/0x6c0 [ 714.225722][ T699] ? tomoyo_unix_entry+0x550/0x550 [ 714.230808][ T699] lock_acquire+0x1f3/0xae0 [ 714.235368][ T699] ? lock_sock_nested+0x3b/0x110 [ 714.240286][ T699] ? lock_is_held_type+0xbb/0xf0 [ 714.245210][ T699] ? lock_release+0x8f0/0x8f0 [ 714.249864][ T699] ? lock_is_held_type+0xbb/0xf0 [ 714.254842][ T699] ? __might_fault+0x11f/0x1d0 [ 714.259588][ T699] _raw_spin_lock_bh+0x2f/0x40 [ 714.264326][ T699] ? lock_sock_nested+0x3b/0x110 [ 714.269259][ T699] lock_sock_nested+0x3b/0x110 [ 714.274080][ T699] inet_autobind+0x1a/0x190 [ 714.278561][ T699] inet_dgram_connect+0x245/0x2d0 [ 714.283560][ T699] ? inet_autobind+0x190/0x190 [ 714.288305][ T699] __sys_connect_file+0x155/0x1a0 [ 714.293305][ T699] __sys_connect+0x161/0x190 [ 714.297886][ T699] ? __sys_connect_file+0x1a0/0x1a0 [ 714.303075][ T699] ? lock_is_held_type+0xbb/0xf0 [ 714.307987][ T699] ? lock_is_held_type+0xbb/0xf0 [ 714.312907][ T699] ? syscall_enter_from_user_mode+0x20/0x290 [ 714.318862][ T699] ? check_preemption_disabled+0x50/0x130 [ 714.324555][ T699] ? syscall_enter_from_user_mode+0x20/0x290 [ 714.330508][ T699] __ia32_sys_connect+0x6e/0xb0 [ 714.335348][ T699] __do_fast_syscall_32+0x57/0x80 [ 714.340345][ T699] do_fast_syscall_32+0x2f/0x70 [ 714.345180][ T699] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 714.351503][ T699] RIP: 0023:0xf7f0a549 [ 714.355546][ T699] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 714.376095][ T699] RSP: 002b:00000000f76e30cc EFLAGS: 00000296 ORIG_RAX: 000000000000016a [ 714.385186][ T699] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000080 [ 714.393131][ T699] RDX: 000000000000001c RSI: 0000000000000000 RDI: 0000000000000000 [ 714.401093][ T699] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 714.409039][ T699] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 714.417009][ T699] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 714.426164][ T699] Kernel Offset: disabled [ 714.430475][ T699] Rebooting in 86400 seconds..