Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. 2021/04/29 20:44:33 fuzzer started 2021/04/29 20:44:33 connecting to host at 10.128.0.169:35007 2021/04/29 20:44:33 checking machine... 2021/04/29 20:44:33 checking revisions... 2021/04/29 20:44:33 testing simple program... syzkaller login: [ 80.174100][ T8403] chnl_net:caif_netlink_parms(): no params data found [ 80.237781][ T8403] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.248214][ T8403] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.257642][ T8403] device bridge_slave_0 entered promiscuous mode [ 80.270831][ T8403] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.280534][ T8403] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.290729][ T8403] device bridge_slave_1 entered promiscuous mode [ 80.313734][ T8403] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.327685][ T8403] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.352769][ T8403] team0: Port device team_slave_0 added [ 80.362079][ T8403] team0: Port device team_slave_1 added [ 80.383778][ T8403] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.391966][ T8403] 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. [ 80.421524][ T8403] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.436966][ T8403] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.446333][ T8403] 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. [ 80.476757][ T8403] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.509234][ T8403] device hsr_slave_0 entered promiscuous mode [ 80.517517][ T8403] device hsr_slave_1 entered promiscuous mode [ 80.652347][ T8403] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.673834][ T8403] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.688542][ T8403] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.701470][ T8403] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.739968][ T8403] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.748622][ T8403] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.757244][ T8403] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.766143][ T8403] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.822593][ T8403] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.841022][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.855681][ T3156] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.866342][ T3156] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.877503][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 80.892484][ T8403] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.907035][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.917770][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.925829][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.945341][ T8625] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.955894][ T8625] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.963680][ T8625] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.990513][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.000246][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.011340][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.021088][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.030034][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.042571][ T8403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.068264][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.078251][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.093591][ T8403] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.120124][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.144010][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.154078][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.162699][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.176485][ T8403] device veth0_vlan entered promiscuous mode [ 81.192912][ T8403] device veth1_vlan entered promiscuous mode [ 81.223061][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 81.234088][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.246930][ T8403] device veth0_macvtap entered promiscuous mode [ 81.262162][ T8403] device veth1_macvtap entered promiscuous mode [ 81.283664][ T8403] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.293638][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 81.303909][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 81.314357][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.324331][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.339841][ T8403] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.347878][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 81.361360][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 81.378462][ T8403] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.389693][ T8403] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.405113][ T8403] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 81.416115][ T8403] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 81.522723][ T278] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.539749][ T278] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.552360][ T8626] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 81.590824][ T278] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.603357][ T278] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.615010][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/29 20:44:37 building call list... [ 82.291733][ T200] ------------[ cut here ]------------ [ 82.312906][ T200] hook not found, pf 3 num 0 [ 82.313549][ T200] WARNING: CPU: 1 PID: 200 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 82.335325][ T200] Modules linked in: [ 82.339566][ T200] CPU: 1 PID: 200 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 82.351064][ T200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.363563][ T200] Workqueue: netns cleanup_net [ 82.372245][ T200] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 82.380383][ T200] 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 78 6d 8a e8 60 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 82.403831][ T200] RSP: 0018:ffffc9000101fbc0 EFLAGS: 00010286 [ 82.411624][ T200] RAX: 0000000000000000 RBX: ffff88802201cd00 RCX: 0000000000000000 [ 82.423397][ T200] RDX: ffff8880128c54c0 RSI: ffffffff815c8ba5 RDI: fffff52000203f6a [ 82.434285][ T200] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 82.446648][ T200] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888026570f20 [ 82.459019][ T200] R13: 0000000000000000 R14: ffff8880225eaa80 R15: 0000000000000001 [ 82.470379][ T200] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 82.482507][ T200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.491799][ T200] CR2: 00007f823447d000 CR3: 00000000211d0000 CR4: 00000000001506e0 [ 82.501886][ T200] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.512853][ T200] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.522400][ T200] Call Trace: [ 82.532818][ T200] nf_unregister_net_hooks+0x117/0x160 [ 82.539674][ T200] arpt_unregister_table_pre_exit+0x67/0x80 [ 82.548152][ T200] ? arptable_filter_net_exit+0x20/0x20 [ 82.554003][ T200] cleanup_net+0x451/0xb10 [ 82.561373][ T200] ? ops_free_list.part.0+0x3d0/0x3d0 [ 82.574832][ T200] process_one_work+0x98d/0x1600 [ 82.581963][ T200] ? pwq_dec_nr_in_flight+0x320/0x320 [ 82.592213][ T200] ? rwlock_bug.part.0+0x90/0x90 [ 82.599281][ T200] ? _raw_spin_lock_irq+0x41/0x50 [ 82.610448][ T200] worker_thread+0x64c/0x1120 [ 82.616892][ T200] ? process_one_work+0x1600/0x1600 [ 82.624318][ T200] kthread+0x3b1/0x4a0 [ 82.632781][ T200] ? __kthread_bind_mask+0xc0/0xc0 [ 82.640246][ T200] ret_from_fork+0x1f/0x30 [ 82.647513][ T200] Kernel panic - not syncing: panic_on_warn set ... [ 82.654791][ T200] CPU: 1 PID: 200 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 82.663228][ T200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.673507][ T200] Workqueue: netns cleanup_net [ 82.678379][ T200] Call Trace: [ 82.681898][ T200] dump_stack+0x141/0x1d7 [ 82.686324][ T200] panic+0x306/0x73d [ 82.690410][ T200] ? __warn_printk+0xf3/0xf3 [ 82.695006][ T200] ? __warn.cold+0x1a/0x44 [ 82.699648][ T200] ? __nf_unregister_net_hook+0x1eb/0x610 [ 82.705548][ T200] __warn.cold+0x35/0x44 [ 82.710004][ T200] ? __nf_unregister_net_hook+0x1eb/0x610 [ 82.718907][ T200] report_bug+0x1bd/0x210 [ 82.723715][ T200] handle_bug+0x3c/0x60 [ 82.728068][ T200] exc_invalid_op+0x14/0x40 [ 82.732969][ T200] asm_exc_invalid_op+0x12/0x20 [ 82.737927][ T200] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 82.744766][ T200] 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 78 6d 8a e8 60 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 82.765683][ T200] RSP: 0018:ffffc9000101fbc0 EFLAGS: 00010286 [ 82.772041][ T200] RAX: 0000000000000000 RBX: ffff88802201cd00 RCX: 0000000000000000 [ 82.780095][ T200] RDX: ffff8880128c54c0 RSI: ffffffff815c8ba5 RDI: fffff52000203f6a [ 82.788432][ T200] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 82.796963][ T200] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888026570f20 [ 82.806239][ T200] R13: 0000000000000000 R14: ffff8880225eaa80 R15: 0000000000000001 [ 82.814726][ T200] ? wake_up_klogd.part.0+0x8e/0xd0 [ 82.819961][ T200] ? vprintk+0x95/0x260 [ 82.824737][ T200] nf_unregister_net_hooks+0x117/0x160 [ 82.830382][ T200] arpt_unregister_table_pre_exit+0x67/0x80 [ 82.836577][ T200] ? arptable_filter_net_exit+0x20/0x20 [ 82.842242][ T200] cleanup_net+0x451/0xb10 [ 82.847636][ T200] ? ops_free_list.part.0+0x3d0/0x3d0 [ 82.853808][ T200] process_one_work+0x98d/0x1600 [ 82.859105][ T200] ? pwq_dec_nr_in_flight+0x320/0x320 [ 82.864569][ T200] ? rwlock_bug.part.0+0x90/0x90 [ 82.871028][ T200] ? _raw_spin_lock_irq+0x41/0x50 [ 82.876764][ T200] worker_thread+0x64c/0x1120 [ 82.881451][ T200] ? process_one_work+0x1600/0x1600 [ 82.887128][ T200] kthread+0x3b1/0x4a0 [ 82.891376][ T200] ? __kthread_bind_mask+0xc0/0xc0 [ 82.896843][ T200] ret_from_fork+0x1f/0x30 [ 82.903049][ T200] Kernel Offset: disabled [ 82.908568][ T200] Rebooting in 86400 seconds..