Warning: Permanently added '10.128.0.173' (ECDSA) to the list of known hosts. 2021/04/30 22:27:00 fuzzer started 2021/04/30 22:27:00 connecting to host at 10.128.0.169:42081 2021/04/30 22:27:00 checking machine... 2021/04/30 22:27:00 checking revisions... 2021/04/30 22:27:00 testing simple program... syzkaller login: [ 81.110144][ T8400] chnl_net:caif_netlink_parms(): no params data found [ 81.175970][ T8400] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.185848][ T8400] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.196279][ T8400] device bridge_slave_0 entered promiscuous mode [ 81.207703][ T8400] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.216217][ T8400] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.224542][ T8400] device bridge_slave_1 entered promiscuous mode [ 81.246133][ T8400] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.257931][ T8400] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.282905][ T8400] team0: Port device team_slave_0 added [ 81.290569][ T8400] team0: Port device team_slave_1 added [ 81.310246][ T8400] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.317602][ T8400] 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. [ 81.345475][ T8400] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.361268][ T8400] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.368413][ T8400] 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. [ 81.396048][ T8400] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.425676][ T8400] device hsr_slave_0 entered promiscuous mode [ 81.433805][ T8400] device hsr_slave_1 entered promiscuous mode [ 81.545576][ T8400] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.556989][ T8400] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.578015][ T8400] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.592208][ T8400] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.621362][ T8400] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.630002][ T8400] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.639798][ T8400] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.647509][ T8400] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.703488][ T8400] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.717437][ T3144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.734158][ T3144] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.746964][ T3144] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.757001][ T3144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 81.773448][ T8400] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.786838][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.799587][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.807704][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.830737][ T3144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.841163][ T3144] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.849586][ T3144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.871427][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.882171][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.892394][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.909212][ T8400] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.924860][ T8400] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.934182][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.943801][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.971008][ T8400] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.981748][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.990455][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.011700][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.036606][ T8400] device veth0_vlan entered promiscuous mode [ 82.045994][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.058625][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.067375][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.083063][ T8400] device veth1_vlan entered promiscuous mode [ 82.095101][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.122627][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 82.133497][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.145838][ T8400] device veth0_macvtap entered promiscuous mode [ 82.156749][ T8400] device veth1_macvtap entered promiscuous mode [ 82.180294][ T8400] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.189153][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.197432][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 82.207148][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.216747][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.233788][ T8400] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.243703][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.257270][ T8620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.270791][ T8400] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.282951][ T8400] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.297972][ T8400] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.308562][ T8400] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 82.417136][ T30] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.443166][ T30] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.456636][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 82.472691][ T1180] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.484235][ T1180] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.497194][ T3594] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/30 22:27:03 building call list... [ 83.149232][ T1180] ------------[ cut here ]------------ [ 83.155328][ T1180] hook not found, pf 3 num 0 [ 83.155981][ T1180] WARNING: CPU: 0 PID: 1180 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 83.175442][ T1180] Modules linked in: [ 83.181122][ T1180] CPU: 0 PID: 1180 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 83.191610][ T1180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.204540][ T1180] Workqueue: netns cleanup_net [ 83.221511][ T1180] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 83.228090][ T1180] 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 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 83.252927][ T1180] RSP: 0018:ffffc900049ffbc0 EFLAGS: 00010286 [ 83.259823][ T1180] RAX: 0000000000000000 RBX: ffff888021c89b00 RCX: 0000000000000000 [ 83.267842][ T1180] RDX: ffff888014781c40 RSI: ffffffff815c8ba5 RDI: fffff5200093ff6a [ 83.279425][ T1180] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 83.287713][ T1180] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888036308f20 [ 83.300454][ T1180] R13: 0000000000000000 R14: ffff888019070500 R15: 0000000000000001 [ 83.312333][ T1180] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 83.322168][ T1180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.331019][ T1180] CR2: 00007fd1080b4010 CR3: 00000000125a8000 CR4: 00000000001506f0 [ 83.340200][ T1180] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.350565][ T1180] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.360061][ T1180] Call Trace: [ 83.363379][ T1180] nf_unregister_net_hooks+0x117/0x160 [ 83.377739][ T1180] arpt_unregister_table_pre_exit+0x67/0x80 [ 83.385824][ T1180] ? arptable_filter_net_exit+0x20/0x20 [ 83.392633][ T1180] cleanup_net+0x451/0xb10 [ 83.397178][ T1180] ? ops_free_list.part.0+0x3d0/0x3d0 [ 83.404575][ T1180] process_one_work+0x98d/0x1600 [ 83.410844][ T1180] ? pwq_dec_nr_in_flight+0x320/0x320 [ 83.416372][ T1180] ? rwlock_bug.part.0+0x90/0x90 [ 83.422528][ T1180] ? _raw_spin_lock_irq+0x41/0x50 [ 83.427628][ T1180] worker_thread+0x64c/0x1120 [ 83.433736][ T1180] ? __kthread_parkme+0x13f/0x1e0 [ 83.439671][ T1180] ? process_one_work+0x1600/0x1600 [ 83.444914][ T1180] kthread+0x3b1/0x4a0 [ 83.452584][ T1180] ? __kthread_bind_mask+0xc0/0xc0 [ 83.457841][ T1180] ret_from_fork+0x1f/0x30 [ 83.463699][ T1180] Kernel panic - not syncing: panic_on_warn set ... [ 83.470489][ T1180] CPU: 0 PID: 1180 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 83.478836][ T1180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.489192][ T1180] Workqueue: netns cleanup_net [ 83.494072][ T1180] Call Trace: [ 83.497661][ T1180] dump_stack+0x141/0x1d7 [ 83.502102][ T1180] panic+0x306/0x73d [ 83.506038][ T1180] ? __warn_printk+0xf3/0xf3 [ 83.510656][ T1180] ? __warn.cold+0x1a/0x44 [ 83.515094][ T1180] ? __nf_unregister_net_hook+0x1eb/0x610 [ 83.520959][ T1180] __warn.cold+0x35/0x44 [ 83.525314][ T1180] ? __nf_unregister_net_hook+0x1eb/0x610 [ 83.531791][ T1180] report_bug+0x1bd/0x210 [ 83.536508][ T1180] handle_bug+0x3c/0x60 [ 83.541394][ T1180] exc_invalid_op+0x14/0x40 [ 83.546465][ T1180] asm_exc_invalid_op+0x12/0x20 [ 83.553105][ T1180] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 83.561511][ T1180] 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 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 83.583495][ T1180] RSP: 0018:ffffc900049ffbc0 EFLAGS: 00010286 [ 83.590210][ T1180] RAX: 0000000000000000 RBX: ffff888021c89b00 RCX: 0000000000000000 [ 83.599824][ T1180] RDX: ffff888014781c40 RSI: ffffffff815c8ba5 RDI: fffff5200093ff6a [ 83.608808][ T1180] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 83.617240][ T1180] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888036308f20 [ 83.626330][ T1180] R13: 0000000000000000 R14: ffff888019070500 R15: 0000000000000001 [ 83.634779][ T1180] ? wake_up_klogd.part.0+0x8e/0xd0 [ 83.640286][ T1180] ? vprintk+0x95/0x260 [ 83.644900][ T1180] nf_unregister_net_hooks+0x117/0x160 [ 83.650559][ T1180] arpt_unregister_table_pre_exit+0x67/0x80 [ 83.657550][ T1180] ? arptable_filter_net_exit+0x20/0x20 [ 83.663307][ T1180] cleanup_net+0x451/0xb10 [ 83.667915][ T1180] ? ops_free_list.part.0+0x3d0/0x3d0 [ 83.673693][ T1180] process_one_work+0x98d/0x1600 [ 83.678725][ T1180] ? pwq_dec_nr_in_flight+0x320/0x320 [ 83.684473][ T1180] ? rwlock_bug.part.0+0x90/0x90 [ 83.689640][ T1180] ? _raw_spin_lock_irq+0x41/0x50 [ 83.695200][ T1180] worker_thread+0x64c/0x1120 [ 83.700118][ T1180] ? __kthread_parkme+0x13f/0x1e0 [ 83.706498][ T1180] ? process_one_work+0x1600/0x1600 [ 83.712889][ T1180] kthread+0x3b1/0x4a0 [ 83.717094][ T1180] ? __kthread_bind_mask+0xc0/0xc0 [ 83.722321][ T1180] ret_from_fork+0x1f/0x30 [ 83.728716][ T1180] Kernel Offset: disabled [ 83.734697][ T1180] Rebooting in 86400 seconds..