Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts. 2021/04/27 07:52:12 fuzzer started 2021/04/27 07:52:12 connecting to host at 10.128.0.169:34159 2021/04/27 07:52:12 checking machine... 2021/04/27 07:52:12 checking revisions... 2021/04/27 07:52:12 testing simple program... syzkaller login: [ 70.589985][ T8427] chnl_net:caif_netlink_parms(): no params data found [ 70.657657][ T8427] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.667963][ T8427] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.677117][ T8427] device bridge_slave_0 entered promiscuous mode [ 70.687896][ T8427] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.695738][ T8427] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.704913][ T8427] device bridge_slave_1 entered promiscuous mode [ 70.726253][ T8427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.737334][ T8427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.760867][ T8427] team0: Port device team_slave_0 added [ 70.768448][ T8427] team0: Port device team_slave_1 added [ 70.786207][ T8427] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.793915][ T8427] 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. [ 70.822713][ T8427] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.836385][ T8427] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.844144][ T8427] 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. [ 70.874232][ T8427] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.901157][ T8427] device hsr_slave_0 entered promiscuous mode [ 70.908326][ T8427] device hsr_slave_1 entered promiscuous mode [ 71.015027][ T8427] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.026463][ T8427] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.042035][ T8427] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.053172][ T8427] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.084581][ T8427] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.092208][ T8427] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.101087][ T8427] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.108646][ T8427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.154103][ T8427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.167652][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.182349][ T36] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.191712][ T36] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.202598][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 71.218402][ T8427] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.232407][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.242425][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.249948][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.262067][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.270957][ T8646] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.278175][ T8646] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.301416][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.321976][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.330669][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.341804][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.351381][ T8646] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.364432][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.383001][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.391425][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.406261][ T8427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.430068][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.450444][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.459664][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.467334][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.477808][ T8427] device veth0_vlan entered promiscuous mode [ 71.491849][ T8427] device veth1_vlan entered promiscuous mode [ 71.515085][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.523840][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.533490][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 71.545465][ T8427] device veth0_macvtap entered promiscuous mode [ 71.553753][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 71.565659][ T8427] device veth1_macvtap entered promiscuous mode [ 71.583852][ T8427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 71.593605][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 71.603371][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 71.616215][ T8427] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 71.625554][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 71.634773][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 71.648379][ T8427] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.657412][ T8427] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.668001][ T8427] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.678678][ T8427] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 71.777666][ T221] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.787105][ T221] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.807819][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 71.818702][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.821327][ T4152] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 71.836285][ T4152] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/04/27 07:52:15 building call list... [ 72.554497][ T9] ------------[ cut here ]------------ [ 72.571856][ T9] hook not found, pf 3 num 0 [ 72.572526][ T9] WARNING: CPU: 0 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 72.593108][ T9] Modules linked in: [ 72.611585][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-next-20210427-syzkaller #0 [ 72.624522][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.636867][ T9] Workqueue: netns cleanup_net [ 72.643929][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 72.652775][ T9] Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 c0 49 6e 8a e8 18 35 8a 01 <0f> 0b e9 e5 00 00 00 e8 c9 16 2d fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 72.674919][ T9] RSP: 0000:ffffc90000ce7bc0 EFLAGS: 00010286 [ 72.692845][ T9] RAX: 0000000000000000 RBX: ffff888024e16900 RCX: 0000000000000000 [ 72.703154][ T9] RDX: ffff8880123b0000 RSI: ffffffff815cc9f5 RDI: fffff5200019cf6a [ 72.711835][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 72.723729][ T9] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff88801a988f20 [ 72.734471][ T9] R13: 0000000000000000 R14: ffff8880187f3600 R15: 0000000000000001 [ 72.745005][ T9] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 72.754964][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.770320][ T9] CR2: 00007fd463315000 CR3: 000000002a4a6000 CR4: 00000000001506f0 [ 72.779189][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.787288][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.796396][ T9] Call Trace: [ 72.800777][ T9] nf_unregister_net_hooks+0x117/0x160 [ 72.806272][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 72.813312][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 72.820486][ T9] cleanup_net+0x451/0xb10 [ 72.825840][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 72.832787][ T9] process_one_work+0x98d/0x1600 [ 72.837792][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 72.847938][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 72.853648][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 72.859406][ T9] worker_thread+0x64c/0x1120 [ 72.864141][ T9] ? process_one_work+0x1600/0x1600 [ 72.870668][ T9] kthread+0x3b1/0x4a0 [ 72.874938][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 72.881184][ T9] ret_from_fork+0x1f/0x30 [ 72.885743][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 72.892415][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-next-20210427-syzkaller #0 [ 72.901530][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.911600][ T9] Workqueue: netns cleanup_net [ 72.916383][ T9] Call Trace: [ 72.919670][ T9] dump_stack+0x141/0x1d7 [ 72.924048][ T9] panic+0x306/0x73d [ 72.927962][ T9] ? __warn_printk+0xf3/0xf3 [ 72.932588][ T9] ? __warn.cold+0x1a/0x44 [ 72.937129][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 72.942964][ T9] __warn.cold+0x35/0x44 [ 72.947228][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 72.952968][ T9] report_bug+0x1bd/0x210 [ 72.957321][ T9] handle_bug+0x3c/0x60 [ 72.961495][ T9] exc_invalid_op+0x14/0x40 [ 72.966109][ T9] asm_exc_invalid_op+0x12/0x20 [ 72.971059][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 72.977404][ T9] Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 c0 49 6e 8a e8 18 35 8a 01 <0f> 0b e9 e5 00 00 00 e8 c9 16 2d fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 72.997034][ T9] RSP: 0000:ffffc90000ce7bc0 EFLAGS: 00010286 [ 73.003110][ T9] RAX: 0000000000000000 RBX: ffff888024e16900 RCX: 0000000000000000 [ 73.011360][ T9] RDX: ffff8880123b0000 RSI: ffffffff815cc9f5 RDI: fffff5200019cf6a [ 73.019344][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 73.027414][ T9] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff88801a988f20 [ 73.036377][ T9] R13: 0000000000000000 R14: ffff8880187f3600 R15: 0000000000000001 [ 73.044712][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 73.050204][ T9] ? vprintk+0x95/0x260 [ 73.054569][ T9] nf_unregister_net_hooks+0x117/0x160 [ 73.060225][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 73.066686][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 73.072525][ T9] cleanup_net+0x451/0xb10 [ 73.077282][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 73.082815][ T9] process_one_work+0x98d/0x1600 [ 73.087815][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 73.093219][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 73.098164][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 73.103491][ T9] worker_thread+0x64c/0x1120 [ 73.108599][ T9] ? process_one_work+0x1600/0x1600 [ 73.114082][ T9] kthread+0x3b1/0x4a0 [ 73.118230][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 73.124125][ T9] ret_from_fork+0x1f/0x30 [ 73.129983][ T9] Kernel Offset: disabled [ 73.134440][ T9] Rebooting in 86400 seconds..