[ OK ] Started Getty on tty3. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.65' (ECDSA) to the list of known hosts. 2020/04/01 19:22:29 parsed 1 programs syzkaller login: [ 115.168321][ T7025] as (7025) used greatest stack depth: 23056 bytes left 2020/04/01 19:22:31 executed programs: 0 [ 115.904096][ T7034] IPVS: ftp: loaded support on port[0] = 21 [ 115.998203][ T7034] chnl_net:caif_netlink_parms(): no params data found [ 116.049177][ T7034] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.057449][ T7034] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.066251][ T7034] device bridge_slave_0 entered promiscuous mode [ 116.075346][ T7034] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.084067][ T7034] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.091731][ T7034] device bridge_slave_1 entered promiscuous mode [ 116.112267][ T7034] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 116.124241][ T7034] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 116.146917][ T7034] team0: Port device team_slave_0 added [ 116.154445][ T7034] team0: Port device team_slave_1 added [ 116.172962][ T7034] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 116.179915][ T7034] 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. [ 116.207328][ T7034] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 116.220761][ T7034] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 116.228756][ T7034] 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. [ 116.254931][ T7034] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 116.325025][ T7034] device hsr_slave_0 entered promiscuous mode [ 116.372385][ T7034] device hsr_slave_1 entered promiscuous mode [ 116.500755][ T7034] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 116.544924][ T7034] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 116.585668][ T7034] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 116.644223][ T7034] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 116.698201][ T7034] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.705359][ T7034] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.713166][ T7034] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.720497][ T7034] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.765847][ T7034] 8021q: adding VLAN 0 to HW filter on device bond0 [ 116.779097][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.789801][ T2798] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.798193][ T2798] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.807958][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 116.821153][ T7034] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.831401][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 116.840446][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.847680][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.858986][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 116.868299][ T2798] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.875478][ T2798] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.895033][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 116.904316][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 116.923453][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 116.933185][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 116.941299][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 116.953954][ T7034] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 116.971798][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 116.979261][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 116.992539][ T7034] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 117.010887][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 117.020155][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 117.044017][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 117.053527][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 117.065128][ T7034] device veth0_vlan entered promiscuous mode [ 117.073791][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 117.081507][ T2971] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 117.094417][ T7034] device veth1_vlan entered promiscuous mode [ 117.115344][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 117.124355][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 117.133542][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 117.142753][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 117.154662][ T7034] device veth0_macvtap entered promiscuous mode [ 117.165401][ T7034] device veth1_macvtap entered promiscuous mode [ 117.183020][ T7034] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 117.190600][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 117.200755][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 117.209447][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 117.218286][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 117.230010][ T7034] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 117.238913][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 117.247631][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2020/04/01 19:22:36 executed programs: 37 [ 123.733204][ T7570] ------------[ cut here ]------------ [ 123.738713][ T7570] WARNING: CPU: 1 PID: 7570 at kernel/locking/lockdep.c:872 register_lock_class+0x1fd/0x1760 [ 123.748981][ T7570] Kernel panic - not syncing: panic_on_warn set ... [ 123.755546][ T7570] CPU: 1 PID: 7570 Comm: syz-executor.0 Not tainted 5.6.0-syzkaller #0 [ 123.763769][ T7570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.773797][ T7570] Call Trace: [ 123.777067][ T7570] dump_stack+0x188/0x20d [ 123.781376][ T7570] ? register_lock_class+0x140/0x1760 [ 123.786721][ T7570] panic+0x2e3/0x75c [ 123.790593][ T7570] ? add_taint.cold+0x16/0x16 [ 123.795245][ T7570] ? printk+0xba/0xed [ 123.799203][ T7570] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 123.804681][ T7570] ? __warn.cold+0x14/0x35 [ 123.809076][ T7570] ? __warn+0xd5/0x1c8 [ 123.813123][ T7570] ? register_lock_class+0x1fd/0x1760 [ 123.818473][ T7570] __warn.cold+0x2f/0x35 [ 123.822707][ T7570] ? register_lock_class+0x1fd/0x1760 [ 123.828065][ T7570] report_bug+0x27b/0x2f0 [ 123.832421][ T7570] do_error_trap+0x12b/0x220 [ 123.836986][ T7570] ? register_lock_class+0x1fd/0x1760 [ 123.842378][ T7570] do_invalid_op+0x32/0x40 [ 123.846769][ T7570] ? register_lock_class+0x1fd/0x1760 [ 123.852117][ T7570] invalid_op+0x23/0x30 [ 123.856262][ T7570] RIP: 0010:register_lock_class+0x1fd/0x1760 [ 123.862217][ T7570] Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 66 10 00 00 4c 3b 7d 18 74 0c 48 81 7d 00 40 a7 b9 8b 74 02 <0f> 0b 45 85 ed 0f 84 1b 04 00 00 41 83 e6 01 0f 85 11 04 00 00 41 [ 123.881883][ T7570] RSP: 0018:ffffc900025ff9d0 EFLAGS: 00010006 [ 123.887939][ T7570] RAX: dffffc0000000000 RBX: ffffffff8c62e3a0 RCX: 1ffffffff1855525 [ 123.895888][ T7570] RDX: 1ffff11011290f0f RSI: 0000000000000000 RDI: ffff888089487878 [ 123.903837][ T7570] RBP: ffff888089487860 R08: ffffffff8c2f3468 R09: 0000000000000000 [ 123.911788][ T7570] R10: fffffbfff150f9f0 R11: 0000000000000000 R12: 1ffff920004bff42 [ 123.919741][ T7570] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff88d90000 [ 123.927753][ T7570] ? tomoyo_get_attributes+0x4d0/0x4d0 [ 123.933189][ T7570] ? is_dynamic_key+0x1a0/0x1a0 [ 123.938021][ T7570] __lock_acquire+0x104/0x4e00 [ 123.942762][ T7570] ? tomoyo_check_acl+0x1c8/0x3e0 [ 123.947852][ T7570] ? tomoyo_check_unix_acl+0x100/0x100 [ 123.953379][ T7570] ? mark_held_locks+0xe0/0xe0 [ 123.958156][ T7570] ? tomoyo_check_inet_address+0xe6/0x6c0 [ 123.963878][ T7570] ? tomoyo_unix_entry+0x550/0x550 [ 123.968989][ T7570] lock_acquire+0x1f2/0x8f0 [ 123.973511][ T7570] ? lock_sock_nested+0x3b/0x110 [ 123.978428][ T7570] ? lock_release+0x800/0x800 [ 123.983082][ T7570] ? aa_label_sk_perm+0x89/0xe0 [ 123.987908][ T7570] ? aa_sk_perm+0x319/0xab0 [ 123.992388][ T7570] ? lock_downgrade+0x840/0x840 [ 123.997214][ T7570] _raw_spin_lock_bh+0x2f/0x40 [ 124.002112][ T7570] ? lock_sock_nested+0x3b/0x110 [ 124.007026][ T7570] lock_sock_nested+0x3b/0x110 [ 124.011768][ T7570] inet_autobind+0x1a/0x190 [ 124.016247][ T7570] inet_dgram_connect+0x245/0x2d0 [ 124.021256][ T7570] ? inet_autobind+0x190/0x190 [ 124.026003][ T7570] __sys_connect_file+0x155/0x1a0 [ 124.031005][ T7570] __sys_connect+0x160/0x190 [ 124.035580][ T7570] ? __sys_connect_file+0x1a0/0x1a0 [ 124.040765][ T7570] ? __x64_sys_futex+0x380/0x4f0 [ 124.045690][ T7570] ? __x64_sys_clock_gettime+0x165/0x240 [ 124.051354][ T7570] ? __ia32_sys_clock_settime+0x260/0x260 [ 124.057051][ T7570] ? trace_hardirqs_off_caller+0x55/0x230 [ 124.062756][ T7570] __x64_sys_connect+0x6f/0xb0 [ 124.067501][ T7570] ? lockdep_hardirqs_on+0x463/0x620 [ 124.072764][ T7570] do_syscall_64+0xf6/0x7d0 [ 124.077245][ T7570] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 124.083150][ T7570] RIP: 0033:0x45c849 [ 124.087022][ T7570] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 124.106617][ T7570] RSP: 002b:00007f8a63567c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 124.115021][ T7570] RAX: ffffffffffffffda RBX: 00007f8a635686d4 RCX: 000000000045c849 [ 124.122971][ T7570] RDX: 000000000000001c RSI: 0000000020000040 RDI: 0000000000000004 [ 124.130935][ T7570] RBP: 000000000076bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 124.138888][ T7570] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 124.146840][ T7570] R13: 0000000000000082 R14: 00000000004c31a7 R15: 000000000076bfac [ 124.156178][ T7570] Kernel Offset: disabled [ 124.160516][ T7570] Rebooting in 86400 seconds..