Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. 2021/05/11 21:19:32 fuzzer started 2021/05/11 21:19:32 connecting to host at 10.128.0.169:41169 2021/05/11 21:19:32 checking machine... 2021/05/11 21:19:32 checking revisions... 2021/05/11 21:19:32 testing simple program... syzkaller login: [ 81.525261][ T8410] chnl_net:caif_netlink_parms(): no params data found [ 81.580260][ T8410] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.590234][ T8410] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.599770][ T8410] device bridge_slave_0 entered promiscuous mode [ 81.609655][ T8410] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.619034][ T8410] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.628862][ T8410] device bridge_slave_1 entered promiscuous mode [ 81.650963][ T8410] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.663112][ T8410] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.689506][ T8410] team0: Port device team_slave_0 added [ 81.699325][ T8410] team0: Port device team_slave_1 added [ 81.721653][ T8410] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.731087][ T8410] 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. [ 81.759073][ T8410] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.773474][ T8410] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.781722][ T8410] 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. [ 81.809634][ T8410] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.839945][ T8410] device hsr_slave_0 entered promiscuous mode [ 81.850545][ T8410] device hsr_slave_1 entered promiscuous mode [ 81.959304][ T8410] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.971650][ T8410] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.984159][ T8410] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.995347][ T8410] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.023124][ T8410] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.032100][ T8410] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.041326][ T8410] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.050181][ T8410] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.105018][ T8410] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.124107][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.136456][ T2939] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.147799][ T2939] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.156792][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.172058][ T8410] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.184948][ T3822] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.196263][ T3822] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.204339][ T3822] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.220630][ T3822] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.229866][ T3822] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.238319][ T3822] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.259992][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.279259][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.287386][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.296957][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.306932][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.319910][ T8410] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.340726][ T3822] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.350244][ T3822] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.365666][ T8410] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.385519][ T3822] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.407926][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.417335][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.426051][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.438786][ T8410] device veth0_vlan entered promiscuous mode [ 82.452700][ T8410] device veth1_vlan entered promiscuous mode [ 82.478729][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.489310][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.500153][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.516210][ T8410] device veth0_macvtap entered promiscuous mode [ 82.528728][ T2939] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.541369][ T8410] device veth1_macvtap entered promiscuous mode [ 82.561284][ T8410] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.571025][ T8633] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.580870][ T8633] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.595624][ T8410] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.605004][ T8633] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.614207][ T8633] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.628564][ T8410] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.638479][ T8410] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.648800][ T8410] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.658235][ T8410] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 82.752918][ T793] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.777042][ T793] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.792494][ T8631] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 82.825942][ T211] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.835224][ T211] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.845456][ T8631] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/11 21:19:35 building call list... [ 83.569862][ T9] ------------[ cut here ]------------ [ 83.575890][ T9] hook not found, pf 3 num 0 [ 83.576549][ T9] WARNING: CPU: 0 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 83.595084][ T9] Modules linked in: [ 83.601286][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 83.611041][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.623024][ T9] Workqueue: netns cleanup_net [ 83.629664][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 83.636493][ 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 d8 6d 8a e8 b0 53 8a 01 <0f> 0b e9 e5 00 00 00 e8 89 13 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 83.668843][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 83.674986][ T9] RAX: 0000000000000000 RBX: ffff888149b3f300 RCX: 0000000000000000 [ 83.684991][ T9] RDX: ffff888011d78000 RSI: ffffffff815c8f65 RDI: fffff5200019cf6a [ 83.694541][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 83.703914][ T9] R10: ffffffff815c2dce R11: 0000000000000000 R12: ffff888029038f20 [ 83.713269][ T9] R13: 0000000000000000 R14: ffff888018876500 R15: 0000000000000001 [ 83.724106][ T9] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 83.737369][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.746263][ T9] CR2: 00007f4ae367d000 CR3: 0000000016ce4000 CR4: 00000000001506f0 [ 83.758513][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.767142][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.776652][ T9] Call Trace: [ 83.780980][ T9] nf_unregister_net_hooks+0x117/0x160 [ 83.786686][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 83.794423][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 83.800982][ T9] cleanup_net+0x451/0xb10 [ 83.805482][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 83.813098][ T9] process_one_work+0x98d/0x1600 [ 83.820371][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 83.827044][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 83.833482][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 83.839612][ T9] worker_thread+0x64c/0x1120 [ 83.845502][ T9] ? process_one_work+0x1600/0x1600 [ 83.853439][ T9] kthread+0x3b1/0x4a0 [ 83.858655][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 83.864426][ T9] ret_from_fork+0x1f/0x30 [ 83.870486][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 83.877322][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 83.886268][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.897107][ T9] Workqueue: netns cleanup_net [ 83.902907][ T9] Call Trace: [ 83.906913][ T9] dump_stack+0x141/0x1d7 [ 83.912027][ T9] panic+0x306/0x73d [ 83.916755][ T9] ? __warn_printk+0xf3/0xf3 [ 83.921495][ T9] ? __warn.cold+0x1a/0x44 [ 83.926145][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 83.932153][ T9] __warn.cold+0x35/0x44 [ 83.936881][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 83.942754][ T9] report_bug+0x1bd/0x210 [ 83.947312][ T9] handle_bug+0x3c/0x60 [ 83.951497][ T9] exc_invalid_op+0x14/0x40 [ 83.956022][ T9] asm_exc_invalid_op+0x12/0x20 [ 83.961130][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 83.967848][ 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 d8 6d 8a e8 b0 53 8a 01 <0f> 0b e9 e5 00 00 00 e8 89 13 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 83.988648][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 83.994859][ T9] RAX: 0000000000000000 RBX: ffff888149b3f300 RCX: 0000000000000000 [ 84.003539][ T9] RDX: ffff888011d78000 RSI: ffffffff815c8f65 RDI: fffff5200019cf6a [ 84.011955][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 84.019976][ T9] R10: ffffffff815c2dce R11: 0000000000000000 R12: ffff888029038f20 [ 84.028066][ T9] R13: 0000000000000000 R14: ffff888018876500 R15: 0000000000000001 [ 84.036328][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 84.041956][ T9] ? vprintk+0x95/0x260 [ 84.046587][ T9] nf_unregister_net_hooks+0x117/0x160 [ 84.052738][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 84.058683][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 84.064969][ T9] cleanup_net+0x451/0xb10 [ 84.069795][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 84.076207][ T9] process_one_work+0x98d/0x1600 [ 84.081313][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 84.087124][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 84.092187][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 84.099204][ T9] worker_thread+0x64c/0x1120 [ 84.104413][ T9] ? process_one_work+0x1600/0x1600 [ 84.110512][ T9] kthread+0x3b1/0x4a0 [ 84.114788][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 84.120199][ T9] ret_from_fork+0x1f/0x30 [ 84.126905][ T9] Kernel Offset: disabled [ 84.132009][ T9] Rebooting in 86400 seconds..