Warning: Permanently added '10.128.0.40' (ECDSA) to the list of known hosts. 2021/05/06 19:27:12 fuzzer started 2021/05/06 19:27:13 connecting to host at 10.128.0.169:42679 2021/05/06 19:27:13 checking machine... 2021/05/06 19:27:13 checking revisions... 2021/05/06 19:27:13 testing simple program... [ 91.622388][ T37] audit: type=1400 audit(1620329233.536:8): avc: denied { execmem } for pid=8423 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 93.047533][ T8424] chnl_net:caif_netlink_parms(): no params data found [ 93.136262][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.143571][ T8424] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.152912][ T8424] device bridge_slave_0 entered promiscuous mode [ 93.163403][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.171878][ T8424] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.181175][ T8424] device bridge_slave_1 entered promiscuous mode [ 93.204482][ T8424] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.216073][ T8424] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.242236][ T8424] team0: Port device team_slave_0 added [ 93.249967][ T8424] team0: Port device team_slave_1 added [ 93.269042][ T8424] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.276001][ T8424] 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. [ 93.302309][ T8424] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.315446][ T8424] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.323400][ T8424] 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. [ 93.349391][ T8424] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.378557][ T8424] device hsr_slave_0 entered promiscuous mode [ 93.385809][ T8424] device hsr_slave_1 entered promiscuous mode [ 93.512644][ T8424] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.524212][ T8424] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.543044][ T8424] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.553474][ T8424] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.585721][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.593137][ T8424] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.601398][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.608556][ T8424] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.658766][ T8424] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.673586][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.686636][ T4899] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.695568][ T4899] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.704028][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 93.719165][ T8424] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.738498][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.748092][ T4899] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.755267][ T4899] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.763571][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.772551][ T4899] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.779684][ T4899] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.798743][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.808589][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.828379][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.837357][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.849183][ T8424] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 93.864122][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.875025][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.894885][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.903358][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.919837][ T8424] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.942414][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.964067][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.973282][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.983687][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.994511][ T8424] device veth0_vlan entered promiscuous mode [ 94.010841][ T8424] device veth1_vlan entered promiscuous mode [ 94.039055][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 94.049230][ T2820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 94.061464][ T8424] device veth0_macvtap entered promiscuous mode [ 94.072815][ T8424] device veth1_macvtap entered promiscuous mode [ 94.091808][ T8424] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.100541][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 94.111079][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 94.120055][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 94.129565][ T4899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 94.142917][ T8424] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.152240][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 94.161410][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 94.173590][ T8424] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.183263][ T8424] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.192490][ T8424] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.202592][ T8424] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 94.314491][ T133] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.324398][ T133] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.360414][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 94.374851][ T650] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 94.384499][ T650] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 94.399594][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/06 19:27:16 building call list... [ 95.111102][ T650] ------------[ cut here ]------------ [ 95.117185][ T650] hook not found, pf 3 num 0 [ 95.117878][ T650] WARNING: CPU: 1 PID: 650 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 95.147627][ T650] Modules linked in: [ 95.151589][ T650] CPU: 1 PID: 650 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 95.164086][ T650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.175940][ T650] Workqueue: netns cleanup_net [ 95.182147][ T650] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 95.190578][ T650] 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 0b 6e 8a e8 c0 39 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 27 2a fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 95.211592][ T650] RSP: 0018:ffffc900030b7bc0 EFLAGS: 00010286 [ 95.221237][ T650] RAX: 0000000000000000 RBX: ffff88802ae2e200 RCX: 0000000000000000 [ 95.230383][ T650] RDX: ffff8880170b2200 RSI: ffffffff815be065 RDI: fffff52000616f6a [ 95.239546][ T650] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 95.248608][ T650] R10: ffffffff815b7e9e R11: 0000000000000000 R12: ffff88802fc54f60 [ 95.258022][ T650] R13: 0000000000000000 R14: ffff8880198c1f80 R15: 0000000000000001 [ 95.266028][ T650] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 95.277554][ T650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.284176][ T650] CR2: 00007f5102cdf028 CR3: 0000000022937000 CR4: 00000000001506e0 [ 95.293819][ T650] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 95.307236][ T650] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 95.315258][ T650] Call Trace: [ 95.320041][ T650] nf_unregister_net_hooks+0x117/0x160 [ 95.325569][ T650] arpt_unregister_table_pre_exit+0x67/0x80 [ 95.333072][ T650] ? arptable_filter_net_exit+0x20/0x20 [ 95.339924][ T650] cleanup_net+0x451/0xb10 [ 95.344381][ T650] ? ops_free_list.part.0+0x3d0/0x3d0 [ 95.351367][ T650] process_one_work+0x98d/0x1600 [ 95.357494][ T650] ? pwq_dec_nr_in_flight+0x320/0x320 [ 95.362900][ T650] ? rwlock_bug.part.0+0x90/0x90 [ 95.369546][ T650] ? _raw_spin_lock_irq+0x41/0x50 [ 95.374611][ T650] worker_thread+0x64c/0x1120 [ 95.382059][ T650] ? __kthread_parkme+0x13f/0x1e0 [ 95.388456][ T650] ? process_one_work+0x1600/0x1600 [ 95.393699][ T650] kthread+0x3b1/0x4a0 [ 95.400987][ T650] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 95.407988][ T650] ret_from_fork+0x1f/0x30 [ 95.412444][ T650] Kernel panic - not syncing: panic_on_warn set ... [ 95.419038][ T650] CPU: 1 PID: 650 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 95.427117][ T650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.437187][ T650] Workqueue: netns cleanup_net [ 95.441978][ T650] Call Trace: [ 95.445266][ T650] dump_stack+0x141/0x1d7 [ 95.449606][ T650] panic+0x306/0x73d [ 95.453701][ T650] ? __warn_printk+0xf3/0xf3 [ 95.458491][ T650] ? __warn.cold+0x1a/0x44 [ 95.462923][ T650] ? __nf_unregister_net_hook+0x1eb/0x610 [ 95.468660][ T650] __warn.cold+0x35/0x44 [ 95.472927][ T650] ? __nf_unregister_net_hook+0x1eb/0x610 [ 95.478669][ T650] report_bug+0x1bd/0x210 [ 95.482997][ T650] handle_bug+0x3c/0x60 [ 95.487153][ T650] exc_invalid_op+0x14/0x40 [ 95.491656][ T650] asm_exc_invalid_op+0x12/0x20 [ 95.496518][ T650] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 95.502851][ T650] 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 0b 6e 8a e8 c0 39 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 27 2a fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 95.522457][ T650] RSP: 0018:ffffc900030b7bc0 EFLAGS: 00010286 [ 95.528611][ T650] RAX: 0000000000000000 RBX: ffff88802ae2e200 RCX: 0000000000000000 [ 95.536584][ T650] RDX: ffff8880170b2200 RSI: ffffffff815be065 RDI: fffff52000616f6a [ 95.544558][ T650] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 95.552525][ T650] R10: ffffffff815b7e9e R11: 0000000000000000 R12: ffff88802fc54f60 [ 95.560504][ T650] R13: 0000000000000000 R14: ffff8880198c1f80 R15: 0000000000000001 [ 95.568500][ T650] ? wake_up_klogd.part.0+0x8e/0xd0 [ 95.573725][ T650] ? vprintk+0x95/0x260 [ 95.578145][ T650] nf_unregister_net_hooks+0x117/0x160 [ 95.583795][ T650] arpt_unregister_table_pre_exit+0x67/0x80 [ 95.589693][ T650] ? arptable_filter_net_exit+0x20/0x20 [ 95.595238][ T650] cleanup_net+0x451/0xb10 [ 95.599659][ T650] ? ops_free_list.part.0+0x3d0/0x3d0 [ 95.605033][ T650] process_one_work+0x98d/0x1600 [ 95.609969][ T650] ? pwq_dec_nr_in_flight+0x320/0x320 [ 95.615341][ T650] ? rwlock_bug.part.0+0x90/0x90 [ 95.620281][ T650] ? _raw_spin_lock_irq+0x41/0x50 [ 95.625310][ T650] worker_thread+0x64c/0x1120 [ 95.629995][ T650] ? __kthread_parkme+0x13f/0x1e0 [ 95.635016][ T650] ? process_one_work+0x1600/0x1600 [ 95.640241][ T650] kthread+0x3b1/0x4a0 [ 95.644329][ T650] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 95.650311][ T650] ret_from_fork+0x1f/0x30 [ 95.655859][ T650] Kernel Offset: disabled [ 95.660490][ T650] Rebooting in 86400 seconds..