[ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts. 2021/05/03 15:54:01 fuzzer started 2021/05/03 15:54:01 connecting to host at 10.128.0.169:40693 2021/05/03 15:54:01 checking machine... 2021/05/03 15:54:01 checking revisions... 2021/05/03 15:54:01 testing simple program... syzkaller login: [ 72.755029][ T8458] chnl_net:caif_netlink_parms(): no params data found [ 72.808344][ T8458] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.817244][ T8458] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.825556][ T8458] device bridge_slave_0 entered promiscuous mode [ 72.835965][ T8458] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.843867][ T8458] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.852358][ T8458] device bridge_slave_1 entered promiscuous mode [ 72.872618][ T8458] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.884578][ T8458] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.908047][ T8458] team0: Port device team_slave_0 added [ 72.916600][ T8458] team0: Port device team_slave_1 added [ 72.935273][ T8458] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.942856][ T8458] 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. [ 72.969951][ T8458] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.982952][ T8458] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.990231][ T8458] 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. [ 73.017413][ T8458] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.046233][ T8458] device hsr_slave_0 entered promiscuous mode [ 73.053196][ T8458] device hsr_slave_1 entered promiscuous mode [ 73.158740][ T8458] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.171730][ T8458] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.182263][ T8458] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.192875][ T8458] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.218768][ T8458] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.226356][ T8458] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.235182][ T8458] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.242801][ T8458] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.290748][ T8458] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.304581][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.318046][ T8152] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.327225][ T8152] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.338352][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 73.352758][ T8458] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.364072][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.373455][ T8152] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.381330][ T8152] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.394705][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.404513][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.412258][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.432251][ T4844] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.442435][ T4844] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.458670][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.475413][ T8458] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 73.487848][ T8458] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.504132][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.515561][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.536637][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.544804][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.553280][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.565253][ T8458] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.590305][ T4844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.614366][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.624825][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.633856][ T8152] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.644602][ T8458] device veth0_vlan entered promiscuous mode [ 73.661316][ T8458] device veth1_vlan entered promiscuous mode [ 73.685567][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.694516][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.704260][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.719722][ T8458] device veth0_macvtap entered promiscuous mode [ 73.730882][ T8458] device veth1_macvtap entered promiscuous mode [ 73.740152][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.761537][ T8458] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.770167][ T4844] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.782074][ T4844] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.798381][ T8458] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.808189][ T4844] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.818471][ T4844] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.839051][ T8458] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.851052][ T8458] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.870250][ T8458] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.883754][ T8458] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.031861][ T234] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.044967][ T234] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.072979][ T1622] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.079404][ T8677] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.085033][ T1622] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 74.116380][ T4844] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 15:54:04 building call list... [ 74.812560][ T1622] ------------[ cut here ]------------ [ 74.829137][ T1622] hook not found, pf 3 num 0 [ 74.829897][ T1622] WARNING: CPU: 0 PID: 1622 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 74.846397][ T1622] Modules linked in: [ 74.850535][ T1622] CPU: 0 PID: 1622 Comm: kworker/u4:6 Not tainted 5.12.0-next-20210503-syzkaller #0 [ 74.861269][ T1622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.872977][ T1622] Workqueue: netns cleanup_net [ 74.879710][ T1622] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 74.897663][ T1622] 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 4d 6e 8a e8 18 71 8a 01 <0f> 0b e9 e5 00 00 00 e8 c9 d2 2c fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 74.918733][ T1622] RSP: 0018:ffffc9000647fbc0 EFLAGS: 00010286 [ 74.925105][ T1622] RAX: 0000000000000000 RBX: ffff888144584400 RCX: 0000000000000000 [ 74.935643][ T1622] RDX: ffff888015d1d580 RSI: ffffffff815cc9f5 RDI: fffff52000c8ff6a [ 74.945888][ T1622] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 74.954582][ T1622] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff8880271b8f20 [ 74.963528][ T1622] R13: 0000000000000000 R14: ffff888013f34380 R15: 0000000000000001 [ 74.975048][ T1622] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 74.985093][ T1622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.992426][ T1622] CR2: 000000c000800000 CR3: 00000000256ce000 CR4: 00000000001506f0 [ 75.001555][ T1622] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.011687][ T1622] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.020771][ T1622] Call Trace: [ 75.024358][ T1622] nf_unregister_net_hooks+0x117/0x160 [ 75.031528][ T1622] arpt_unregister_table_pre_exit+0x67/0x80 [ 75.038629][ T1622] ? arptable_filter_net_exit+0x20/0x20 [ 75.044313][ T1622] cleanup_net+0x451/0xb10 [ 75.051505][ T1622] ? ops_free_list.part.0+0x3d0/0x3d0 [ 75.058083][ T1622] process_one_work+0x98d/0x1600 [ 75.063604][ T1622] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.069672][ T1622] ? rwlock_bug.part.0+0x90/0x90 [ 75.074837][ T1622] ? _raw_spin_lock_irq+0x41/0x50 [ 75.081365][ T1622] worker_thread+0x64c/0x1120 [ 75.087513][ T1622] ? __kthread_parkme+0x13f/0x1e0 [ 75.093240][ T1622] ? process_one_work+0x1600/0x1600 [ 75.099287][ T1622] kthread+0x3b1/0x4a0 [ 75.103744][ T1622] ? __kthread_bind_mask+0xc0/0xc0 [ 75.109630][ T1622] ret_from_fork+0x1f/0x30 [ 75.114467][ T1622] Kernel panic - not syncing: panic_on_warn set ... [ 75.121645][ T1622] CPU: 0 PID: 1622 Comm: kworker/u4:6 Not tainted 5.12.0-next-20210503-syzkaller #0 [ 75.132199][ T1622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.144090][ T1622] Workqueue: netns cleanup_net [ 75.149438][ T1622] Call Trace: [ 75.152833][ T1622] dump_stack+0x141/0x1d7 [ 75.157764][ T1622] panic+0x306/0x73d [ 75.161783][ T1622] ? __warn_printk+0xf3/0xf3 [ 75.166782][ T1622] ? __warn.cold+0x1a/0x44 [ 75.171718][ T1622] ? __nf_unregister_net_hook+0x1eb/0x610 [ 75.177643][ T1622] __warn.cold+0x35/0x44 [ 75.181997][ T1622] ? __nf_unregister_net_hook+0x1eb/0x610 [ 75.187836][ T1622] report_bug+0x1bd/0x210 [ 75.192409][ T1622] handle_bug+0x3c/0x60 [ 75.196870][ T1622] exc_invalid_op+0x14/0x40 [ 75.201492][ T1622] asm_exc_invalid_op+0x12/0x20 [ 75.206722][ T1622] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 75.213196][ T1622] 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 4d 6e 8a e8 18 71 8a 01 <0f> 0b e9 e5 00 00 00 e8 c9 d2 2c fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 75.232910][ T1622] RSP: 0018:ffffc9000647fbc0 EFLAGS: 00010286 [ 75.239022][ T1622] RAX: 0000000000000000 RBX: ffff888144584400 RCX: 0000000000000000 [ 75.247216][ T1622] RDX: ffff888015d1d580 RSI: ffffffff815cc9f5 RDI: fffff52000c8ff6a [ 75.255992][ T1622] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 75.264160][ T1622] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff8880271b8f20 [ 75.272427][ T1622] R13: 0000000000000000 R14: ffff888013f34380 R15: 0000000000000001 [ 75.281389][ T1622] ? wake_up_klogd.part.0+0x8e/0xd0 [ 75.287014][ T1622] ? vprintk+0x95/0x260 [ 75.291477][ T1622] nf_unregister_net_hooks+0x117/0x160 [ 75.297443][ T1622] arpt_unregister_table_pre_exit+0x67/0x80 [ 75.304505][ T1622] ? arptable_filter_net_exit+0x20/0x20 [ 75.310356][ T1622] cleanup_net+0x451/0xb10 [ 75.314989][ T1622] ? ops_free_list.part.0+0x3d0/0x3d0 [ 75.321142][ T1622] process_one_work+0x98d/0x1600 [ 75.326565][ T1622] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.332060][ T1622] ? rwlock_bug.part.0+0x90/0x90 [ 75.337022][ T1622] ? _raw_spin_lock_irq+0x41/0x50 [ 75.342088][ T1622] worker_thread+0x64c/0x1120 [ 75.346801][ T1622] ? __kthread_parkme+0x13f/0x1e0 [ 75.351949][ T1622] ? process_one_work+0x1600/0x1600 [ 75.357679][ T1622] kthread+0x3b1/0x4a0 [ 75.362037][ T1622] ? __kthread_bind_mask+0xc0/0xc0 [ 75.367223][ T1622] ret_from_fork+0x1f/0x30 [ 75.372151][ T1622] Kernel Offset: disabled [ 75.378205][ T1622] Rebooting in 86400 seconds..