Warning: Permanently added '10.128.1.91' (ECDSA) to the list of known hosts. 2021/05/04 05:17:55 fuzzer started 2021/05/04 05:17:55 connecting to host at 10.128.0.169:42115 2021/05/04 05:17:55 checking machine... 2021/05/04 05:17:55 checking revisions... 2021/05/04 05:17:55 testing simple program... syzkaller login: [ 73.468973][ T8473] chnl_net:caif_netlink_parms(): no params data found [ 73.537447][ T8473] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.545744][ T8473] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.556536][ T8473] device bridge_slave_0 entered promiscuous mode [ 73.567777][ T8473] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.576748][ T8473] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.585039][ T8473] device bridge_slave_1 entered promiscuous mode [ 73.608594][ T8473] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.621000][ T8473] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.645301][ T8473] team0: Port device team_slave_0 added [ 73.653616][ T8473] team0: Port device team_slave_1 added [ 73.673370][ T8473] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.680537][ T8473] 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. [ 73.708006][ T8473] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.722671][ T8473] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.729924][ T8473] 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. [ 73.757851][ T8473] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.785607][ T8473] device hsr_slave_0 entered promiscuous mode [ 73.793716][ T8473] device hsr_slave_1 entered promiscuous mode [ 73.902578][ T8473] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.920143][ T8473] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.929735][ T8473] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.940338][ T8473] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.966116][ T8473] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.974095][ T8473] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.982509][ T8473] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.989926][ T8473] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.037513][ T8473] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.052691][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.065307][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.074632][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.084960][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.098013][ T8473] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.110361][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.120082][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.127692][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.155140][ T8684] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.164897][ T8684] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.172551][ T8684] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.181262][ T8684] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.190670][ T8684] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.207543][ T8473] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.221836][ T8473] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.235547][ T8685] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.243813][ T8685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.253748][ T8685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.262505][ T8685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.279750][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.289351][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.305776][ T8473] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.327010][ T8685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.348638][ T8473] device veth0_vlan entered promiscuous mode [ 74.356720][ T8683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.367515][ T8683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.375983][ T8683] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.389524][ T8473] device veth1_vlan entered promiscuous mode [ 74.412525][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.421823][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.430443][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.444338][ T8473] device veth0_macvtap entered promiscuous mode [ 74.453803][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.465118][ T8473] device veth1_macvtap entered promiscuous mode [ 74.483738][ T8473] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.492916][ T8683] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.503169][ T8683] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.516277][ T8473] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.525434][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.536118][ T3797] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.552044][ T8473] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.562054][ T8473] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.570906][ T8473] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.580957][ T8473] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.678557][ T85] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.694733][ T85] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.716434][ T8684] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 74.730643][ T1629] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.742211][ T1629] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.751673][ T8684] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/04 05:17:58 building call list... [ 75.484506][ T9] ------------[ cut here ]------------ [ 75.491122][ T9] hook not found, pf 3 num 0 [ 75.492960][ T9] WARNING: CPU: 1 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 75.510496][ T9] Modules linked in: [ 75.518457][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 75.528172][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.539382][ T9] Workqueue: netns cleanup_net [ 75.545417][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 75.552840][ 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 21 6e 8a e8 06 49 8a 01 <0f> 0b e9 e5 00 00 00 e8 f9 0a 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 75.581591][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 75.587810][ T9] RAX: 0000000000000000 RBX: ffff8881447ee600 RCX: 0000000000000000 [ 75.600760][ T9] RDX: ffff888012380000 RSI: ffffffff815caaf5 RDI: fffff5200019cf6a [ 75.610321][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 75.619607][ T9] R10: ffffffff815c495e R11: 0000000000000000 R12: ffff888039290f20 [ 75.630307][ T9] R13: 0000000000000000 R14: ffff888024b30480 R15: 0000000000000001 [ 75.639727][ T9] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 75.651482][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.659309][ T9] CR2: 00007f9068373000 CR3: 0000000013cd5000 CR4: 00000000001506e0 [ 75.672248][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.680262][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.691137][ T9] Call Trace: [ 75.695400][ T9] nf_unregister_net_hooks+0x117/0x160 [ 75.700931][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 75.710404][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 75.717651][ T9] cleanup_net+0x451/0xb10 [ 75.723314][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 75.728756][ T9] process_one_work+0x98d/0x1600 [ 75.736455][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.742912][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 75.747890][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 75.754512][ T9] worker_thread+0x64c/0x1120 [ 75.759245][ T9] ? process_one_work+0x1600/0x1600 [ 75.765921][ T9] kthread+0x3b1/0x4a0 [ 75.770137][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 75.777319][ T9] ret_from_fork+0x1f/0x30 [ 75.782814][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 75.789545][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 75.797478][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.807637][ T9] Workqueue: netns cleanup_net [ 75.812517][ T9] Call Trace: [ 75.815811][ T9] dump_stack+0x141/0x1d7 [ 75.820192][ T9] panic+0x306/0x73d [ 75.824202][ T9] ? __warn_printk+0xf3/0xf3 [ 75.828845][ T9] ? __warn.cold+0x1a/0x44 [ 75.833370][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 75.839465][ T9] __warn.cold+0x35/0x44 [ 75.843747][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 75.849681][ T9] report_bug+0x1bd/0x210 [ 75.854202][ T9] handle_bug+0x3c/0x60 [ 75.858669][ T9] exc_invalid_op+0x14/0x40 [ 75.863187][ T9] asm_exc_invalid_op+0x12/0x20 [ 75.868069][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 75.874584][ 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 21 6e 8a e8 06 49 8a 01 <0f> 0b e9 e5 00 00 00 e8 f9 0a 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 75.895162][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 75.901522][ T9] RAX: 0000000000000000 RBX: ffff8881447ee600 RCX: 0000000000000000 [ 75.909847][ T9] RDX: ffff888012380000 RSI: ffffffff815caaf5 RDI: fffff5200019cf6a [ 75.918174][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 75.926500][ T9] R10: ffffffff815c495e R11: 0000000000000000 R12: ffff888039290f20 [ 75.934472][ T9] R13: 0000000000000000 R14: ffff888024b30480 R15: 0000000000000001 [ 75.942650][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 75.947867][ T9] ? vprintk+0x95/0x260 [ 75.952127][ T9] nf_unregister_net_hooks+0x117/0x160 [ 75.957853][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 75.963834][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 75.969485][ T9] cleanup_net+0x451/0xb10 [ 75.973957][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 75.979957][ T9] process_one_work+0x98d/0x1600 [ 75.985092][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.990868][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 75.995984][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 76.001299][ T9] worker_thread+0x64c/0x1120 [ 76.006024][ T9] ? process_one_work+0x1600/0x1600 [ 76.011226][ T9] kthread+0x3b1/0x4a0 [ 76.015305][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 76.020801][ T9] ret_from_fork+0x1f/0x30 [ 76.026719][ T9] Kernel Offset: disabled [ 76.031835][ T9] Rebooting in 86400 seconds..