[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. 2020/09/01 06:28:10 parsed 1 programs 2020/09/01 06:28:10 executed programs: 0 syzkaller login: [ 1045.684367][ T26] audit: type=1400 audit(1598941690.785:8): avc: denied { execmem } for pid=6925 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 1046.812481][ T6926] IPVS: ftp: loaded support on port[0] = 21 [ 1046.990744][ T6926] chnl_net:caif_netlink_parms(): no params data found [ 1047.101375][ T6926] bridge0: port 1(bridge_slave_0) entered blocking state [ 1047.110001][ T6926] bridge0: port 1(bridge_slave_0) entered disabled state [ 1047.119200][ T6926] device bridge_slave_0 entered promiscuous mode [ 1047.129087][ T6926] bridge0: port 2(bridge_slave_1) entered blocking state [ 1047.136257][ T6926] bridge0: port 2(bridge_slave_1) entered disabled state [ 1047.144700][ T6926] device bridge_slave_1 entered promiscuous mode [ 1047.168009][ T6926] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1047.180492][ T6926] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1047.204760][ T6926] team0: Port device team_slave_0 added [ 1047.212785][ T6926] team0: Port device team_slave_1 added [ 1047.232130][ T6926] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1047.239211][ T6926] 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. [ 1047.266554][ T6926] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1047.279674][ T6926] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1047.286632][ T6926] 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. [ 1047.312811][ T6926] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1047.341862][ T6926] device hsr_slave_0 entered promiscuous mode [ 1047.349028][ T6926] device hsr_slave_1 entered promiscuous mode [ 1047.461213][ T6926] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1047.472891][ T6926] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1047.483635][ T6926] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1047.494606][ T6926] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1047.524911][ T6926] bridge0: port 2(bridge_slave_1) entered blocking state [ 1047.532190][ T6926] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1047.540312][ T6926] bridge0: port 1(bridge_slave_0) entered blocking state [ 1047.547514][ T6926] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1047.599052][ T6926] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1047.614145][ T6896] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1047.626263][ T6896] bridge0: port 1(bridge_slave_0) entered disabled state [ 1047.635467][ T6896] bridge0: port 2(bridge_slave_1) entered disabled state [ 1047.643856][ T6896] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1047.659175][ T6926] 8021q: adding VLAN 0 to HW filter on device team0 [ 1047.672389][ T2463] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1047.681237][ T2463] bridge0: port 1(bridge_slave_0) entered blocking state [ 1047.688395][ T2463] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1047.709512][ T6896] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1047.718625][ T6896] bridge0: port 2(bridge_slave_1) entered blocking state [ 1047.725704][ T6896] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1047.748039][ T6896] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1047.756656][ T6896] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1047.766304][ T6896] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1047.775441][ T6896] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1047.785522][ T6926] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1047.794314][ T7146] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1047.818340][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1047.825802][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1047.840344][ T6926] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1047.861788][ T2463] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1047.882424][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1047.890841][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1047.900144][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1047.912309][ T6926] device veth0_vlan entered promiscuous mode [ 1047.925094][ T6926] device veth1_vlan entered promiscuous mode [ 1047.950807][ T2463] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1047.959947][ T2463] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1047.969701][ T2463] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1047.982665][ T6926] device veth0_macvtap entered promiscuous mode [ 1047.995036][ T6926] device veth1_macvtap entered promiscuous mode [ 1048.014619][ T6926] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1048.023146][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 1048.033110][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1048.045723][ T6926] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1048.053910][ T7066] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 1048.063554][ T7066] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1048.075126][ T6926] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1048.084568][ T6926] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1048.094267][ T6926] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1048.104201][ T6926] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1048.828117][ T7066] Bluetooth: hci0: command 0x0409 tx timeout 2020/09/01 06:28:15 executed programs: 58 [ 1050.897890][ T7066] Bluetooth: hci0: command 0x041b tx timeout [ 1052.977438][ T2463] Bluetooth: hci0: command 0x040f tx timeout [ 1053.816377][ T7668] ------------[ cut here ]------------ [ 1053.821991][ T7668] WARNING: CPU: 1 PID: 7668 at kernel/locking/lockdep.c:853 register_lock_class+0x1f0/0x1630 [ 1053.832140][ T7668] Kernel panic - not syncing: panic_on_warn set ... [ 1053.838727][ T7668] CPU: 1 PID: 7668 Comm: syz-executor.0 Not tainted 5.9.0-rc3-syzkaller #0 [ 1053.847328][ T7668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1053.857502][ T7668] Call Trace: [ 1053.860792][ T7668] dump_stack+0x198/0x1fd [ 1053.865129][ T7668] panic+0x347/0x7c0 [ 1053.869018][ T7668] ? __warn_printk+0xf3/0xf3 [ 1053.873597][ T7668] ? printk+0xba/0xed [ 1053.877577][ T7668] ? log_store.cold+0x16/0x16 [ 1053.882266][ T7668] ? __warn.cold+0x5/0x46 [ 1053.886613][ T7668] ? __warn+0xd6/0x1f2 [ 1053.890699][ T7668] ? register_lock_class+0x1f0/0x1630 [ 1053.896095][ T7668] __warn.cold+0x20/0x46 [ 1053.900358][ T7668] ? register_lock_class+0x1f0/0x1630 [ 1053.905747][ T7668] report_bug+0x1bd/0x210 [ 1053.910185][ T7668] handle_bug+0x38/0x90 [ 1053.914353][ T7668] exc_invalid_op+0x14/0x40 [ 1053.918917][ T7668] asm_exc_invalid_op+0x12/0x20 [ 1053.923763][ T7668] RIP: 0010:register_lock_class+0x1f0/0x1630 [ 1053.929725][ T7668] 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 [ 1053.949315][ T7668] RSP: 0018:ffffc900078e7a18 EFLAGS: 00010002 [ 1053.955387][ T7668] RAX: dffffc0000000000 RBX: 1ffff92000f1cf4a RCX: ffffffff8c96f160 [ 1053.963344][ T7668] RDX: 1ffff1101276570f RSI: 0000000000000000 RDI: ffff888093b2b878 [ 1053.971315][ T7668] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 1053.979289][ T7668] R10: fffffbfff15646f1 R11: 0000000000000000 R12: ffffffff88fea880 [ 1053.987249][ T7668] R13: ffffffff8d509440 R14: ffffffff8c635870 R15: ffff888093b2b860 [ 1053.995244][ T7668] ? is_dynamic_key+0x1a0/0x1a0 [ 1054.000092][ T7668] ? migrate_swap_stop+0x9f0/0x9f0 [ 1054.005201][ T7668] ? lock_downgrade+0x830/0x830 [ 1054.010052][ T7668] __lock_acquire+0xf9/0x5570 [ 1054.014718][ T7668] ? mark_lock+0xbc/0x1710 [ 1054.019134][ T7668] ? selinux_socket_post_create+0x7c0/0x7c0 [ 1054.025011][ T7668] ? __lock_acquire+0x161b/0x5570 [ 1054.030045][ T7668] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 1054.036027][ T7668] lock_acquire+0x1f3/0xae0 [ 1054.040601][ T7668] ? lock_sock_nested+0x3b/0x110 [ 1054.045555][ T7668] ? lock_release+0x8f0/0x8f0 [ 1054.050233][ T7668] ? lock_is_held_type+0xbb/0xf0 [ 1054.055155][ T7668] ? find_held_lock+0x2d/0x110 [ 1054.059907][ T7668] ? lock_is_held_type+0xbb/0xf0 [ 1054.064832][ T7668] _raw_spin_lock_bh+0x2f/0x40 [ 1054.069585][ T7668] ? lock_sock_nested+0x3b/0x110 [ 1054.074530][ T7668] lock_sock_nested+0x3b/0x110 [ 1054.079302][ T7668] selinux_netlbl_socket_connect+0x18/0x40 [ 1054.085114][ T7668] selinux_socket_connect+0x65/0x80 [ 1054.090330][ T7668] security_socket_connect+0x50/0xb0 [ 1054.095617][ T7668] __sys_connect_file+0xa2/0x1a0 [ 1054.100560][ T7668] __sys_connect+0x161/0x190 [ 1054.105164][ T7668] ? __sys_connect_file+0x1a0/0x1a0 [ 1054.110357][ T7668] ? lock_is_held_type+0xbb/0xf0 [ 1054.115285][ T7668] ? lock_is_held_type+0xbb/0xf0 [ 1054.120218][ T7668] ? syscall_enter_from_user_mode+0x20/0x290 [ 1054.126187][ T7668] ? check_preemption_disabled+0x50/0x130 [ 1054.131898][ T7668] ? syscall_enter_from_user_mode+0x20/0x290 [ 1054.137865][ T7668] __x64_sys_connect+0x6f/0xb0 [ 1054.142622][ T7668] do_syscall_64+0x2d/0x70 [ 1054.147028][ T7668] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1054.152910][ T7668] RIP: 0033:0x45d5b9 [ 1054.156791][ T7668] Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1054.176383][ T7668] RSP: 002b:00007fc809441c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 1054.184782][ T7668] RAX: ffffffffffffffda RBX: 0000000000002300 RCX: 000000000045d5b9 [ 1054.192739][ T7668] RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000004 [ 1054.200696][ T7668] RBP: 000000000118d020 R08: 0000000000000000 R09: 0000000000000000 [ 1054.208652][ T7668] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cfec [ 1054.216613][ T7668] R13: 00007ffea9b739af R14: 00007fc8094429c0 R15: 000000000118cfec [ 1054.225838][ T7668] Kernel Offset: disabled [ 1054.230168][ T7668] Rebooting in 86400 seconds..