Warning: Permanently added '10.128.0.106' (ECDSA) to the list of known hosts. syzkaller login: [ 96.910578][ T28] audit: type=1400 audit(1596561653.811:8): avc: denied { execmem } for pid=6838 comm="syz-executor128" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 96.938033][ T6839] IPVS: ftp: loaded support on port[0] = 21 [ 97.037590][ T6839] chnl_net:caif_netlink_parms(): no params data found [ 97.090501][ T6839] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.099079][ T6839] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.107873][ T6839] device bridge_slave_0 entered promiscuous mode [ 97.117687][ T6839] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.125107][ T6839] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.132855][ T6839] device bridge_slave_1 entered promiscuous mode [ 97.154195][ T6839] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.166179][ T6839] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.189181][ T6839] team0: Port device team_slave_0 added [ 97.197230][ T6839] team0: Port device team_slave_1 added [ 97.216183][ T6839] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.223186][ T6839] 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. [ 97.250327][ T6839] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 97.263738][ T6839] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 97.271763][ T6839] 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. [ 97.298665][ T6839] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 97.378365][ T6839] device hsr_slave_0 entered promiscuous mode [ 97.445420][ T6839] device hsr_slave_1 entered promiscuous mode [ 97.580538][ T6839] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 97.627975][ T6839] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 97.687145][ T6839] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 97.727827][ T6839] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 97.801019][ T6839] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.808188][ T6839] bridge0: port 2(bridge_slave_1) entered forwarding state [ 97.816048][ T6839] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.823102][ T6839] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.869341][ T6839] 8021q: adding VLAN 0 to HW filter on device bond0 [ 97.882608][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 97.893255][ T2577] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.901595][ T2577] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.910108][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 97.923440][ T6839] 8021q: adding VLAN 0 to HW filter on device team0 [ 97.936410][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 97.945180][ T27] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.952361][ T27] bridge0: port 1(bridge_slave_0) entered forwarding state [ 97.969613][ T7047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 97.978106][ T7047] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.985224][ T7047] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.006518][ T7047] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.016813][ T7047] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.025935][ T7047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.038964][ T6839] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 98.051412][ T6839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 98.060780][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.069053][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 98.077779][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.098098][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 98.106471][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 98.120544][ T6839] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.145271][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 98.154119][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 98.173662][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 98.182838][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 98.193612][ T6839] device veth0_vlan entered promiscuous mode [ 98.200470][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 98.208954][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 98.221887][ T6839] device veth1_vlan entered promiscuous mode [ 98.243803][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 98.252433][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 98.261588][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 98.271219][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 98.282093][ T6839] device veth0_macvtap entered promiscuous mode [ 98.292827][ T6839] device veth1_macvtap entered promiscuous mode [ 98.310000][ T6839] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 98.318740][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 98.327631][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 98.336191][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 98.345085][ T2577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 98.358859][ T6839] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 98.366261][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 98.375734][ T2714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 99.672504][ T7050] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 99.684247][ T7050] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 99.692672][ T7050] CPU: 0 PID: 7050 Comm: kworker/u5:1 Not tainted 5.8.0-syzkaller #0 [ 99.700725][ T7050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.711004][ T7050] Workqueue: hci0 hci_rx_work [ 99.715685][ T7050] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x23e/0x790 [ 99.722712][ T7050] Code: 48 c1 ea 03 80 3c 02 00 0f 85 3e 05 00 00 48 8b 9d 30 09 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 da 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 99.742340][ T7050] RSP: 0018:ffffc90002017a38 EFLAGS: 00010202 [ 99.748406][ T7050] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff871ba1f3 [ 99.756467][ T7050] RDX: 0000000000000002 RSI: ffffffff871ba200 RDI: 0000000000000010 [ 99.764477][ T7050] RBP: ffff888086e8c000 R08: 0000000000000001 R09: ffff88808947ee88 [ 99.772449][ T7050] R10: 0000000000000000 R11: 0000000000000183 R12: dffffc0000000000 [ 99.780442][ T7050] R13: ffff88808e095110 R14: ffff88809ec6a40b R15: 0000000000000000 [ 99.788422][ T7050] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 99.797351][ T7050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.803933][ T7050] CR2: 00007f7971a5a6c0 CR3: 000000009e082000 CR4: 00000000001406f0 [ 99.811909][ T7050] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.819905][ T7050] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.827872][ T7050] Call Trace: [ 99.831165][ T7050] hci_event_packet+0x481a/0x86f5 [ 99.836202][ T7050] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 99.842184][ T7050] ? hci_cmd_complete_evt+0xc6e0/0xc6e0 [ 99.847732][ T7050] ? lock_acquire+0x1f1/0xad0 [ 99.852409][ T7050] ? skb_dequeue+0x1c/0x180 [ 99.856932][ T7050] ? find_held_lock+0x2d/0x110 [ 99.861703][ T7050] ? mark_lock+0xbc/0x1710 [ 99.866121][ T7050] ? mark_held_locks+0x9f/0xe0 [ 99.870882][ T7050] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 99.876686][ T7050] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 99.882694][ T7050] ? trace_hardirqs_on+0x5f/0x220 [ 99.887739][ T7050] ? lockdep_hardirqs_on+0x76/0xf0 [ 99.892849][ T7050] hci_rx_work+0x22e/0xb10 [ 99.897268][ T7050] process_one_work+0x94c/0x1670 [ 99.902215][ T7050] ? lock_release+0x8e0/0x8e0 [ 99.906871][ T7050] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 99.912260][ T7050] ? rwlock_bug.part.0+0x90/0x90 [ 99.917212][ T7050] worker_thread+0x64c/0x1120 [ 99.921868][ T7050] ? process_one_work+0x1670/0x1670 [ 99.927134][ T7050] kthread+0x3b5/0x4a0 [ 99.931213][ T7050] ? __kthread_bind_mask+0xc0/0xc0 [ 99.936301][ T7050] ? __kthread_bind_mask+0xc0/0xc0 [ 99.941400][ T7050] ret_from_fork+0x1f/0x30 [ 99.945788][ T7050] Modules linked in: [ 99.956450][ T7050] ---[ end trace cf2084c317a8448f ]--- [ 99.961929][ T7050] RIP: 0010:hci_phy_link_complete_evt.isra.0+0x23e/0x790 [ 99.969421][ T7050] Code: 48 c1 ea 03 80 3c 02 00 0f 85 3e 05 00 00 48 8b 9d 30 09 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 da 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 99.989310][ T7050] RSP: 0018:ffffc90002017a38 EFLAGS: 00010202 [ 99.995438][ T7050] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff871ba1f3 [ 100.003411][ T7050] RDX: 0000000000000002 RSI: ffffffff871ba200 RDI: 0000000000000010 [ 100.011419][ T7050] RBP: ffff888086e8c000 R08: 0000000000000001 R09: ffff88808947ee88 [ 100.019446][ T7050] R10: 0000000000000000 R11: 0000000000000183 R12: dffffc0000000000 [ 100.028606][ T7050] R13: ffff88808e095110 R14: ffff88809ec6a40b R15: 0000000000000000 [ 100.036636][ T7050] FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 100.045989][ T7050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.052567][ T7050] CR2: 00007f7971a5a6c0 CR3: 000000009e082000 CR4: 00000000001406f0 [ 100.061132][ T7050] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.069635][ T7050] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.077963][ T7050] Kernel panic - not syncing: Fatal exception [ 100.084925][ T7050] Kernel Offset: disabled [ 100.089250][ T7050] Rebooting in 86400 seconds..