Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. 2021/05/06 20:42:32 fuzzer started 2021/05/06 20:42:32 connecting to host at 10.128.0.169:35083 2021/05/06 20:42:32 checking machine... 2021/05/06 20:42:32 checking revisions... 2021/05/06 20:42:32 testing simple program... syzkaller login: [ 54.604450][ T8423] chnl_net:caif_netlink_parms(): no params data found [ 54.662609][ T8423] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.672115][ T8423] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.681635][ T8423] device bridge_slave_0 entered promiscuous mode [ 54.692223][ T8423] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.700574][ T8423] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.709547][ T8423] device bridge_slave_1 entered promiscuous mode [ 54.730721][ T8423] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.743450][ T8423] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.768435][ T8423] team0: Port device team_slave_0 added [ 54.776031][ T8423] team0: Port device team_slave_1 added [ 54.795588][ T8423] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.802834][ T8423] 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. [ 54.833296][ T8423] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.846664][ T8423] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.854925][ T8423] 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. [ 54.883903][ T8423] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.910639][ T8423] device hsr_slave_0 entered promiscuous mode [ 54.917954][ T8423] device hsr_slave_1 entered promiscuous mode [ 55.021587][ T8423] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.033000][ T8423] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.044384][ T8423] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.054832][ T8423] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.078174][ T8423] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.085808][ T8423] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.094285][ T8423] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.101922][ T8423] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.146226][ T8423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.159553][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.171532][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.182475][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.192464][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.206648][ T8423] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.226562][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.235445][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.242910][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.251223][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.260923][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.268493][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.287783][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.308680][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.319466][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.329428][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.338272][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.349478][ T8423] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.372606][ T8423] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.381743][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.390017][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.410192][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.429391][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.439398][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.448582][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.458507][ T8423] device veth0_vlan entered promiscuous mode [ 55.471950][ T8423] device veth1_vlan entered promiscuous mode [ 55.495969][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.506308][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.515603][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.526311][ T8423] device veth0_macvtap entered promiscuous mode [ 55.538508][ T8423] device veth1_macvtap entered promiscuous mode [ 55.558825][ T8423] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.568112][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.579730][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.596172][ T8423] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.605339][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.616656][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.631049][ T8423] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.644645][ T8423] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.654650][ T8423] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.663714][ T8423] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.751887][ T8377] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.776686][ T8377] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.786830][ T172] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 55.798389][ T172] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.809813][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.821711][ T4858] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/06 20:42:35 building call list... [ 56.497426][ T8377] ------------[ cut here ]------------ [ 56.503168][ T8377] hook not found, pf 3 num 0 [ 56.506405][ T8377] WARNING: CPU: 0 PID: 8377 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x4ee/0x640 [ 56.525122][ T8377] Modules linked in: [ 56.529291][ T8377] CPU: 0 PID: 8377 Comm: kworker/u4:7 Not tainted 5.12.0-syzkaller #0 [ 56.546719][ T8377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.558425][ T8377] Workqueue: netns cleanup_net [ 56.566031][ T8377] RIP: 0010:__nf_unregister_net_hook+0x4ee/0x640 [ 56.572477][ T8377] Code: c6 05 dd 3f 03 06 01 43 8a 04 2e 84 c0 0f 85 3a 01 00 00 48 8b 04 24 8b 10 48 c7 c7 80 a9 59 8b 44 89 e6 31 c0 e8 a2 a8 29 f9 <0f> 0b e9 08 ff ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c 3d [ 56.601489][ T8377] RSP: 0018:ffffc9000172fad8 EFLAGS: 00010246 [ 56.609182][ T8377] RAX: d4e96827dd6a4e00 RBX: ffff88801a1ff100 RCX: ffff888030b0d4c0 [ 56.620369][ T8377] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 56.630872][ T8377] RBP: ffff888038a90f20 R08: ffffffff816522b2 R09: ffffed1017343f24 [ 56.644620][ T8377] R10: ffffed1017343f24 R11: 0000000000000000 R12: 0000000000000003 [ 56.660522][ T8377] R13: dffffc0000000000 R14: 1ffff110052a1a03 R15: ffff888038a90000 [ 56.670591][ T8377] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 56.681077][ T8377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.689519][ T8377] CR2: 00007f18a9732028 CR3: 000000001747b000 CR4: 00000000001506f0 [ 56.699031][ T8377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.710518][ T8377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.720179][ T8377] Call Trace: [ 56.725005][ T8377] nf_unregister_net_hooks+0xe7/0x150 [ 56.730790][ T8377] cleanup_net+0x608/0xc60 [ 56.737068][ T8377] ? ops_free_list+0x380/0x380 [ 56.742871][ T8377] ? _raw_spin_unlock_irq+0x1f/0x40 [ 56.750356][ T8377] process_one_work+0x833/0x10c0 [ 56.761698][ T8377] ? worker_detach_from_pool+0x260/0x260 [ 56.769270][ T8377] ? _raw_spin_lock_irqsave+0x100/0x100 [ 56.778047][ T8377] ? kthread_data+0x4d/0xc0 [ 56.786357][ T8377] ? wq_worker_running+0x8b/0x140 [ 56.791977][ T8377] worker_thread+0xac1/0x1300 [ 56.799086][ T8377] ? __kthread_parkme+0x148/0x190 [ 56.805652][ T8377] ? rcu_lock_release+0x20/0x20 [ 56.811001][ T8377] kthread+0x39a/0x3c0 [ 56.818864][ T8377] ? rcu_lock_release+0x20/0x20 [ 56.825450][ T8377] ? kthread_blkcg+0xd0/0xd0 [ 56.830578][ T8377] ret_from_fork+0x1f/0x30 [ 56.839747][ T8377] Kernel panic - not syncing: panic_on_warn set ... [ 56.846830][ T8377] CPU: 0 PID: 8377 Comm: kworker/u4:7 Not tainted 5.12.0-syzkaller #0 [ 56.855693][ T8377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.866032][ T8377] Workqueue: netns cleanup_net [ 56.870999][ T8377] Call Trace: [ 56.874390][ T8377] dump_stack+0x202/0x31e [ 56.879085][ T8377] ? show_regs_print_info+0x12/0x12 [ 56.884380][ T8377] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 56.890550][ T8377] ? preempt_count_add+0x66/0x130 [ 56.896574][ T8377] panic+0x2e1/0x850 [ 56.900852][ T8377] ? __warn+0x13e/0x270 [ 56.905049][ T8377] ? nmi_panic+0x90/0x90 [ 56.909770][ T8377] ? ret_from_fork+0x1f/0x30 [ 56.914470][ T8377] __warn+0x26a/0x270 [ 56.918830][ T8377] ? __nf_unregister_net_hook+0x4ee/0x640 [ 56.924583][ T8377] ? __nf_unregister_net_hook+0x4ee/0x640 [ 56.930728][ T8377] report_bug+0x1b1/0x2e0 [ 56.935346][ T8377] handle_bug+0x3d/0x70 [ 56.940126][ T8377] exc_invalid_op+0x16/0x40 [ 56.944732][ T8377] asm_exc_invalid_op+0x12/0x20 [ 56.949771][ T8377] RIP: 0010:__nf_unregister_net_hook+0x4ee/0x640 [ 56.956720][ T8377] Code: c6 05 dd 3f 03 06 01 43 8a 04 2e 84 c0 0f 85 3a 01 00 00 48 8b 04 24 8b 10 48 c7 c7 80 a9 59 8b 44 89 e6 31 c0 e8 a2 a8 29 f9 <0f> 0b e9 08 ff ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 0f 8c 3d [ 56.977050][ T8377] RSP: 0018:ffffc9000172fad8 EFLAGS: 00010246 [ 56.983483][ T8377] RAX: d4e96827dd6a4e00 RBX: ffff88801a1ff100 RCX: ffff888030b0d4c0 [ 56.992501][ T8377] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 57.000944][ T8377] RBP: ffff888038a90f20 R08: ffffffff816522b2 R09: ffffed1017343f24 [ 57.009536][ T8377] R10: ffffed1017343f24 R11: 0000000000000000 R12: 0000000000000003 [ 57.017808][ T8377] R13: dffffc0000000000 R14: 1ffff110052a1a03 R15: ffff888038a90000 [ 57.026247][ T8377] ? wake_up_klogd+0xb2/0xf0 [ 57.030867][ T8377] ? __nf_unregister_net_hook+0x4ee/0x640 [ 57.037001][ T8377] nf_unregister_net_hooks+0xe7/0x150 [ 57.043006][ T8377] cleanup_net+0x608/0xc60 [ 57.047537][ T8377] ? ops_free_list+0x380/0x380 [ 57.052840][ T8377] ? _raw_spin_unlock_irq+0x1f/0x40 [ 57.058489][ T8377] process_one_work+0x833/0x10c0 [ 57.063820][ T8377] ? worker_detach_from_pool+0x260/0x260 [ 57.069916][ T8377] ? _raw_spin_lock_irqsave+0x100/0x100 [ 57.075745][ T8377] ? kthread_data+0x4d/0xc0 [ 57.080897][ T8377] ? wq_worker_running+0x8b/0x140 [ 57.086032][ T8377] worker_thread+0xac1/0x1300 [ 57.090935][ T8377] ? __kthread_parkme+0x148/0x190 [ 57.096257][ T8377] ? rcu_lock_release+0x20/0x20 [ 57.101203][ T8377] kthread+0x39a/0x3c0 [ 57.105457][ T8377] ? rcu_lock_release+0x20/0x20 [ 57.110761][ T8377] ? kthread_blkcg+0xd0/0xd0 [ 57.115803][ T8377] ret_from_fork+0x1f/0x30 [ 57.121748][ T8377] Kernel Offset: disabled [ 57.126596][ T8377] Rebooting in 86400 seconds..