Warning: Permanently added '10.128.0.101' (ECDSA) to the list of known hosts. 2021/05/05 21:31:19 fuzzer started 2021/05/05 21:31:19 connecting to host at 10.128.0.169:42623 2021/05/05 21:31:19 checking machine... 2021/05/05 21:31:19 checking revisions... 2021/05/05 21:31:20 testing simple program... syzkaller login: [ 56.820880][ T8416] chnl_net:caif_netlink_parms(): no params data found [ 56.863456][ T8416] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.871828][ T8416] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.881103][ T8416] device bridge_slave_0 entered promiscuous mode [ 56.893470][ T8416] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.901124][ T8416] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.909403][ T8416] device bridge_slave_1 entered promiscuous mode [ 56.927118][ T8416] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.937841][ T8416] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.958670][ T8416] team0: Port device team_slave_0 added [ 56.965928][ T8416] team0: Port device team_slave_1 added [ 56.981471][ T8416] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.988728][ T8416] 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. [ 57.015500][ T8416] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 57.027872][ T8416] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 57.035262][ T8416] 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. [ 57.062290][ T8416] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 57.085471][ T8416] device hsr_slave_0 entered promiscuous mode [ 57.092031][ T8416] device hsr_slave_1 entered promiscuous mode [ 57.173198][ T8416] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.186938][ T8416] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.196169][ T8416] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.206126][ T8416] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.226220][ T8416] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.233550][ T8416] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.241197][ T8416] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.248316][ T8416] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.284972][ T8416] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.298890][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.309569][ T3174] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.318565][ T3174] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.326727][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.339801][ T8416] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.350762][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.360070][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.367153][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.378466][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.387810][ T3174] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.395176][ T3174] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.417422][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.426457][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.435310][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.443494][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.455387][ T3174] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.467395][ T8416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.482280][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.491081][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.503434][ T8416] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.521357][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 57.540316][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 57.549215][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 57.557506][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 57.569538][ T8416] device veth0_vlan entered promiscuous mode [ 57.580858][ T8416] device veth1_vlan entered promiscuous mode [ 57.599231][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 57.607452][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 57.615707][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 57.627081][ T8416] device veth0_macvtap entered promiscuous mode [ 57.636944][ T8416] device veth1_macvtap entered promiscuous mode [ 57.652086][ T8416] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 57.659729][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 57.672020][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 57.698450][ T8416] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 57.708626][ T8638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 57.721274][ T8416] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.731928][ T8416] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.741754][ T8416] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.750836][ T8416] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 57.853492][ T1354] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.865941][ T1354] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.891289][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 57.895267][ T1354] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 57.915236][ T1354] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 57.924457][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/05 21:31:22 building call list... executing program [ 58.463714][ T1354] ------------[ cut here ]------------ [ 58.470254][ T1354] hook not found, pf 3 num 0 [ 58.470749][ T1354] WARNING: CPU: 1 PID: 1354 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 58.490104][ T1354] Modules linked in: [ 58.494943][ T1354] CPU: 1 PID: 1354 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 58.503108][ T1354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.518681][ T1354] Workqueue: netns cleanup_net [ 58.523742][ T1354] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 58.532503][ T1354] 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 95 6e 8a e8 16 3f 8a 01 <0f> 0b e9 e5 00 00 00 e8 39 02 2b fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 58.564500][ T1354] RSP: 0018:ffffc9000571fbc0 EFLAGS: 00010286 [ 58.572017][ T1354] RAX: 0000000000000000 RBX: ffff888027b11600 RCX: 0000000000000000 [ 58.583204][ T1354] RDX: ffff8880182cb880 RSI: ffffffff815cabb5 RDI: fffff52000ae3f6a [ 58.592095][ T1354] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 58.602452][ T1354] R10: ffffffff815c4a1e R11: 0000000000000000 R12: ffff8880187b8f20 [ 58.611251][ T1354] R13: 0000000000000000 R14: ffff888024bf7400 R15: 0000000000000001 [ 58.621598][ T1354] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 58.631563][ T1354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.639780][ T1354] CR2: 00007f81f4e2c000 CR3: 0000000028721000 CR4: 0000000000350ee0 [ 58.648496][ T1354] Call Trace: [ 58.651897][ T1354] nf_unregister_net_hooks+0x117/0x160 [ 58.659385][ T1354] arpt_unregister_table_pre_exit+0x67/0x80 [ 58.666663][ T1354] ? arptable_filter_net_exit+0x20/0x20 [ 58.672433][ T1354] cleanup_net+0x451/0xb10 [ 58.678938][ T1354] ? ops_free_list.part.0+0x3d0/0x3d0 [ 58.685463][ T1354] process_one_work+0x98d/0x1600 [ 58.690621][ T1354] ? pwq_dec_nr_in_flight+0x320/0x320 [ 58.698728][ T1354] ? rwlock_bug.part.0+0x90/0x90 [ 58.703674][ T1354] ? _raw_spin_lock_irq+0x41/0x50 [ 58.709789][ T1354] worker_thread+0x64c/0x1120 [ 58.716339][ T1354] ? __kthread_parkme+0x13f/0x1e0 [ 58.721374][ T1354] ? process_one_work+0x1600/0x1600 [ 58.727511][ T1354] kthread+0x3b1/0x4a0 [ 58.731849][ T1354] ? __kthread_bind_mask+0xc0/0xc0 [ 58.739424][ T1354] ret_from_fork+0x1f/0x30 [ 58.745487][ T1354] Kernel panic - not syncing: panic_on_warn set ... [ 58.752243][ T1354] CPU: 1 PID: 1354 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 58.760477][ T1354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.770521][ T1354] Workqueue: netns cleanup_net [ 58.775286][ T1354] Call Trace: [ 58.778575][ T1354] dump_stack+0x141/0x1d7 [ 58.783079][ T1354] panic+0x306/0x73d [ 58.786963][ T1354] ? __warn_printk+0xf3/0xf3 [ 58.791551][ T1354] ? __warn.cold+0x1a/0x44 [ 58.795978][ T1354] ? __nf_unregister_net_hook+0x1eb/0x610 [ 58.801712][ T1354] __warn.cold+0x35/0x44 [ 58.805940][ T1354] ? __nf_unregister_net_hook+0x1eb/0x610 [ 58.811651][ T1354] report_bug+0x1bd/0x210 [ 58.815998][ T1354] handle_bug+0x3c/0x60 [ 58.820404][ T1354] exc_invalid_op+0x14/0x40 [ 58.825069][ T1354] asm_exc_invalid_op+0x12/0x20 [ 58.829913][ T1354] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 58.836235][ T1354] 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 95 6e 8a e8 16 3f 8a 01 <0f> 0b e9 e5 00 00 00 e8 39 02 2b fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 58.856007][ T1354] RSP: 0018:ffffc9000571fbc0 EFLAGS: 00010286 [ 58.862082][ T1354] RAX: 0000000000000000 RBX: ffff888027b11600 RCX: 0000000000000000 [ 58.870039][ T1354] RDX: ffff8880182cb880 RSI: ffffffff815cabb5 RDI: fffff52000ae3f6a [ 58.878001][ T1354] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 58.885959][ T1354] R10: ffffffff815c4a1e R11: 0000000000000000 R12: ffff8880187b8f20 [ 58.894244][ T1354] R13: 0000000000000000 R14: ffff888024bf7400 R15: 0000000000000001 [ 58.902507][ T1354] ? wake_up_klogd.part.0+0x8e/0xd0 [ 58.907753][ T1354] ? vprintk+0x95/0x260 [ 58.911952][ T1354] nf_unregister_net_hooks+0x117/0x160 [ 58.917515][ T1354] arpt_unregister_table_pre_exit+0x67/0x80 [ 58.923424][ T1354] ? arptable_filter_net_exit+0x20/0x20 [ 58.928982][ T1354] cleanup_net+0x451/0xb10 [ 58.933397][ T1354] ? ops_free_list.part.0+0x3d0/0x3d0 [ 58.938857][ T1354] process_one_work+0x98d/0x1600 [ 58.943799][ T1354] ? pwq_dec_nr_in_flight+0x320/0x320 [ 58.949169][ T1354] ? rwlock_bug.part.0+0x90/0x90 [ 58.954097][ T1354] ? _raw_spin_lock_irq+0x41/0x50 [ 58.959151][ T1354] worker_thread+0x64c/0x1120 [ 58.963924][ T1354] ? __kthread_parkme+0x13f/0x1e0 [ 58.968959][ T1354] ? process_one_work+0x1600/0x1600 [ 58.974152][ T1354] kthread+0x3b1/0x4a0 [ 58.978209][ T1354] ? __kthread_bind_mask+0xc0/0xc0 [ 58.983521][ T1354] ret_from_fork+0x1f/0x30 [ 58.991842][ T1354] Kernel Offset: disabled [ 58.996236][ T1354] Rebooting in 86400 seconds..