Warning: Permanently added '10.128.1.25' (ECDSA) to the list of known hosts. 2021/04/29 20:32:33 fuzzer started 2021/04/29 20:32:33 connecting to host at 10.128.0.169:35429 2021/04/29 20:32:33 checking machine... 2021/04/29 20:32:33 checking revisions... 2021/04/29 20:32:33 testing simple program... syzkaller login: [ 79.297414][ T8441] chnl_net:caif_netlink_parms(): no params data found [ 79.352113][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.361533][ T8441] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.372003][ T8441] device bridge_slave_0 entered promiscuous mode [ 79.385114][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.394536][ T8441] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.404895][ T8441] device bridge_slave_1 entered promiscuous mode [ 79.427732][ T8441] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 79.440277][ T8441] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 79.467238][ T8441] team0: Port device team_slave_0 added [ 79.475826][ T8441] team0: Port device team_slave_1 added [ 79.495294][ T8441] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 79.503816][ T8441] 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. [ 79.532825][ T8441] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 79.547039][ T8441] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 79.555362][ T8441] 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. [ 79.584682][ T8441] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.615293][ T8441] device hsr_slave_0 entered promiscuous mode [ 79.623726][ T8441] device hsr_slave_1 entered promiscuous mode [ 79.761803][ T8441] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.775671][ T8441] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.798827][ T8441] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.816210][ T8441] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.858577][ T8441] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.867235][ T8441] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.875959][ T8441] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.883236][ T8441] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.930920][ T8441] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.948244][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.960207][ T3145] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.971364][ T3145] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.980541][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 79.995717][ T8441] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.008575][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.018781][ T3156] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.026163][ T3156] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.038908][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.049155][ T3145] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.056985][ T3145] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.076139][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.087112][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.099913][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.114686][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.128708][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.143640][ T8441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.165044][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 80.174979][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 80.189671][ T8441] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.210792][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 80.234678][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 80.245098][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 80.253521][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 80.263831][ T8441] device veth0_vlan entered promiscuous mode [ 80.278701][ T8441] device veth1_vlan entered promiscuous mode [ 80.306772][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 80.317780][ T3156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 80.331080][ T8441] device veth0_macvtap entered promiscuous mode [ 80.343377][ T8441] device veth1_macvtap entered promiscuous mode [ 80.360726][ T8441] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.370789][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 80.380380][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 80.390897][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 80.401025][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 80.415327][ T8441] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.427742][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 80.440614][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 80.454418][ T8441] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.464764][ T8441] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.475334][ T8441] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.485016][ T8441] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 80.589155][ T163] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.598432][ T163] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.636926][ T4854] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 80.656895][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.669112][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.681948][ T4854] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/29 20:32:36 building call list... [ 81.345834][ T9] ------------[ cut here ]------------ [ 81.351768][ T9] hook not found, pf 3 num 0 [ 81.352861][ T9] WARNING: CPU: 1 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 81.374262][ T9] Modules linked in: [ 81.378636][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 81.389461][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.400955][ T9] Workqueue: netns cleanup_net [ 81.406286][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 81.413907][ 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 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 [ 81.413967][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 81.413992][ T9] RAX: 0000000000000000 RBX: ffff888021746c00 RCX: 0000000000000000 [ 81.414009][ T9] RDX: ffff888011d78000 RSI: ffffffff815c8ba5 RDI: fffff5200019cf6a [ 81.469931][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 81.480301][ T9] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888019440f20 [ 81.489888][ T9] R13: 0000000000000000 R14: ffff8880121a7a00 R15: 0000000000000001 [ 81.500135][ T9] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 81.512020][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.520458][ T9] CR2: 00007f1d91a52000 CR3: 0000000012063000 CR4: 00000000001506e0 [ 81.530449][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.539957][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.550090][ T9] Call Trace: [ 81.555792][ T9] nf_unregister_net_hooks+0x117/0x160 [ 81.561660][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 81.568745][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 81.576100][ T9] cleanup_net+0x451/0xb10 [ 81.580756][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 81.591947][ T9] process_one_work+0x98d/0x1600 [ 81.597552][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.603611][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 81.608974][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 81.615774][ T9] worker_thread+0x64c/0x1120 [ 81.620948][ T9] ? process_one_work+0x1600/0x1600 [ 81.626883][ T9] kthread+0x3b1/0x4a0 [ 81.631185][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 81.637482][ T9] ret_from_fork+0x1f/0x30 [ 81.642167][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 81.648948][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 81.657119][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.669203][ T9] Workqueue: netns cleanup_net [ 81.674967][ T9] Call Trace: [ 81.678570][ T9] dump_stack+0x141/0x1d7 [ 81.683471][ T9] panic+0x306/0x73d [ 81.688101][ T9] ? __warn_printk+0xf3/0xf3 [ 81.693014][ T9] ? __warn.cold+0x1a/0x44 [ 81.698443][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 81.704617][ T9] __warn.cold+0x35/0x44 [ 81.709058][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 81.715597][ T9] report_bug+0x1bd/0x210 [ 81.720395][ T9] handle_bug+0x3c/0x60 [ 81.724752][ T9] exc_invalid_op+0x14/0x40 [ 81.729755][ T9] asm_exc_invalid_op+0x12/0x20 [ 81.735017][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 81.742073][ 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 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 [ 81.765319][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 81.772645][ T9] RAX: 0000000000000000 RBX: ffff888021746c00 RCX: 0000000000000000 [ 81.782356][ T9] RDX: ffff888011d78000 RSI: ffffffff815c8ba5 RDI: fffff5200019cf6a [ 81.791428][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 81.800255][ T9] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888019440f20 [ 81.808855][ T9] R13: 0000000000000000 R14: ffff8880121a7a00 R15: 0000000000000001 [ 81.817469][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 81.823327][ T9] ? vprintk+0x95/0x260 [ 81.828488][ T9] nf_unregister_net_hooks+0x117/0x160 [ 81.834015][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 81.841447][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 81.847498][ T9] cleanup_net+0x451/0xb10 [ 81.852301][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 81.858420][ T9] process_one_work+0x98d/0x1600 [ 81.863494][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.870108][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 81.875351][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 81.881110][ T9] worker_thread+0x64c/0x1120 [ 81.886713][ T9] ? process_one_work+0x1600/0x1600 [ 81.892570][ T9] kthread+0x3b1/0x4a0 [ 81.897010][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 81.903017][ T9] ret_from_fork+0x1f/0x30 [ 81.910704][ T9] Kernel Offset: disabled [ 81.915329][ T9] Rebooting in 86400 seconds..