Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. syzkaller login: [ 354.682198][ T6805] IPVS: ftp: loaded support on port[0] = 21 [ 354.763619][ T6805] chnl_net:caif_netlink_parms(): no params data found [ 354.812570][ T6805] bridge0: port 1(bridge_slave_0) entered blocking state [ 354.820189][ T6805] bridge0: port 1(bridge_slave_0) entered disabled state [ 354.828745][ T6805] device bridge_slave_0 entered promiscuous mode [ 354.837641][ T6805] bridge0: port 2(bridge_slave_1) entered blocking state [ 354.844988][ T6805] bridge0: port 2(bridge_slave_1) entered disabled state [ 354.852950][ T6805] device bridge_slave_1 entered promiscuous mode [ 354.872987][ T6805] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 354.883748][ T6805] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 354.905353][ T6805] team0: Port device team_slave_0 added [ 354.913141][ T6805] team0: Port device team_slave_1 added [ 354.931821][ T6805] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 354.938769][ T6805] 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. [ 354.965994][ T6805] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 354.978741][ T6805] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 354.986671][ T6805] 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. [ 355.013616][ T6805] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 355.114378][ T6805] device hsr_slave_0 entered promiscuous mode [ 355.161630][ T6805] device hsr_slave_1 entered promiscuous mode [ 355.286231][ T6805] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 355.316571][ T6805] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 355.363289][ T6805] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 355.403163][ T6805] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 355.487714][ T6805] bridge0: port 2(bridge_slave_1) entered blocking state [ 355.494896][ T6805] bridge0: port 2(bridge_slave_1) entered forwarding state [ 355.502914][ T6805] bridge0: port 1(bridge_slave_0) entered blocking state [ 355.510049][ T6805] bridge0: port 1(bridge_slave_0) entered forwarding state [ 355.553928][ T6805] 8021q: adding VLAN 0 to HW filter on device bond0 [ 355.568065][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 355.578800][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 355.587404][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 355.597362][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 355.610079][ T6805] 8021q: adding VLAN 0 to HW filter on device team0 [ 355.622963][ T6933] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 355.631433][ T6933] bridge0: port 1(bridge_slave_0) entered blocking state [ 355.638520][ T6933] bridge0: port 1(bridge_slave_0) entered forwarding state [ 355.661708][ T6933] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 355.670041][ T6933] bridge0: port 2(bridge_slave_1) entered blocking state [ 355.677144][ T6933] bridge0: port 2(bridge_slave_1) entered forwarding state [ 355.686617][ T6933] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 355.695998][ T6933] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 355.707094][ T6933] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 355.717045][ T7014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 355.730571][ T6805] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 355.743354][ T6805] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 355.752332][ T7014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 355.772298][ T7013] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 355.779702][ T7013] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 355.792822][ T6805] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 355.818333][ T6933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 355.827642][ T6933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 355.847353][ T6805] device veth0_vlan entered promiscuous mode [ 355.854700][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 355.865773][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 355.875377][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 355.883974][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 355.896755][ T6805] device veth1_vlan entered promiscuous mode [ 355.917264][ T7013] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 355.926046][ T7013] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 355.935042][ T7013] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 355.944446][ T7013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 355.956265][ T6805] device veth0_macvtap entered promiscuous mode [ 355.966588][ T6805] device veth1_macvtap entered promiscuous mode [ 355.982699][ T6805] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 355.990284][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 355.998733][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 356.007123][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 356.016611][ T2846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 356.030246][ T6805] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 356.037711][ T7013] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 356.047388][ T7013] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 385.321882][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 405.800688][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 426.280003][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 446.759311][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 461.237237][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 461.244353][ C1] rcu: 0-...0: (1 GPs behind) idle=a2a/1/0x4000000000000000 softirq=7748/7749 fqs=5250 [ 461.254323][ C1] (detected by 1, t=10502 jiffies, g=8425, q=3617) [ 461.261508][ C1] Sending NMI from CPU 1 to CPUs 0: [ 461.268817][ C1] NMI backtrace for cpu 0 [ 461.268825][ C1] CPU: 0 PID: 6805 Comm: syz-executor501 Not tainted 5.8.0-rc4-next-20200710-syzkaller #0 [ 461.268832][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 461.268837][ C1] RIP: 0010:__lock_acquire+0x3f7/0x56e0 [ 461.268849][ C1] Code: 38 d0 7c 08 84 d2 0f 85 c3 10 00 00 8b 84 24 40 01 00 00 89 45 24 4c 8b 6c 24 08 be 08 00 00 00 41 81 e5 ff 1f 00 00 4c 89 e8 <48> c1 f8 06 48 8d 3c c5 e0 09 5b 8c e8 48 8b 59 00 4c 0f a3 2d c0 [ 461.268853][ C1] RSP: 0018:ffffc90000007b90 EFLAGS: 00000006 [ 461.268862][ C1] RAX: 0000000000000053 RBX: 0000000000000001 RCX: 0000000000000000 [ 461.268868][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88809608acfc [ 461.268874][ C1] RBP: ffff88809608acd8 R08: 0000000000000001 R09: 00000000000c4053 [ 461.268880][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88809608a400 [ 461.268886][ C1] R13: 0000000000000053 R14: ffff8880ae627758 R15: 0000000000044000 [ 461.268892][ C1] FS: 00000000016b3880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 461.268898][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 461.268904][ C1] CR2: 0000000020000610 CR3: 00000000a428c000 CR4: 00000000001506f0 [ 461.268909][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 461.268915][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 461.268918][ C1] Call Trace: [ 461.268921][ C1] [ 461.268925][ C1] ? find_held_lock+0x2d/0x110 [ 461.268929][ C1] ? debug_object_deactivate+0x264/0x300 [ 461.268934][ C1] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 461.268938][ C1] ? lock_acquire+0x1f1/0xad0 [ 461.268942][ C1] ? advance_sched+0x4ab/0x990 [ 461.268946][ C1] ? find_held_lock+0x2d/0x110 [ 461.268950][ C1] lock_acquire+0x1f1/0xad0 [ 461.268954][ C1] ? __hrtimer_run_queues+0x252/0xfc0 [ 461.268959][ C1] ? lock_release+0x8d0/0x8d0 [ 461.268962][ C1] ? advance_sched+0x56d/0x990 [ 461.268967][ C1] ? lockdep_hardirqs_off+0x66/0xa0 [ 461.268971][ C1] _raw_spin_lock_irq+0x5b/0x80 [ 461.268975][ C1] ? __hrtimer_run_queues+0x252/0xfc0 [ 461.268979][ C1] __hrtimer_run_queues+0x252/0xfc0 [ 461.268984][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 461.268989][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 461.268993][ C1] hrtimer_interrupt+0x32a/0x930 [ 461.268997][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 461.269001][ C1] asm_call_on_stack+0xf/0x20 [ 461.269004][ C1] [ 461.269008][ C1] sysvec_apic_timer_interrupt+0xe0/0x120 [ 461.269013][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 461.269017][ C1] RIP: 0010:on_each_cpu+0x149/0x240 [ 461.269030][ C1] Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 e6 00 00 00 48 83 3d 77 ff 4b 08 00 0f 84 af 00 00 00 e8 5c ef 0a 00 48 89 df 57 9d <0f> 1f 44 00 00 e8 4d ef 0a 00 bf 01 00 00 00 e8 03 86 e6 ff 31 ff [ 461.269039][ C1] RSP: 0018:ffffc900018e7d70 EFLAGS: 00000293 [ 461.269048][ C1] RAX: 0000000000000000 RBX: 0000000000000293 RCX: 0000000000000000 [ 461.269054][ C1] RDX: ffff88809608a400 RSI: ffffffff816900d4 RDI: 0000000000000293 [ 461.269059][ C1] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000000 [ 461.269065][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 461.269071][ C1] R13: 0000000000000000 R14: ffffc900018e7ed0 R15: ffffffffa0f6839a [ 461.269075][ C1] ? on_each_cpu+0x144/0x240 [ 461.269079][ C1] clock_was_set+0x18/0x20 [ 461.269083][ C1] do_settimeofday64+0x350/0x4e0 [ 461.269087][ C1] ? change_clocksource+0x200/0x200 [ 461.269091][ C1] ? capable+0xdd/0x100 [ 461.269095][ C1] do_sys_settimeofday64+0x1de/0x260 [ 461.269099][ C1] __x64_sys_clock_settime+0x197/0x260 [ 461.269103][ C1] ? exit_itimers+0x2d0/0x2d0 [ 461.269107][ C1] ? lock_is_held_type+0xb0/0xe0 [ 461.269111][ C1] ? do_syscall_64+0x1c/0xe0 [ 461.269116][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 461.269119][ C1] do_syscall_64+0x60/0xe0 [ 461.269124][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 461.269127][ C1] RIP: 0033:0x443849 [ 461.269131][ C1] Code: Bad RIP value. [ 461.269135][ C1] RSP: 002b:00007ffe0850e448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3 [ 461.269146][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443849 [ 461.269151][ C1] RDX: 0000000000443849 RSI: 0000000020000400 RDI: 0000000000000000 [ 461.269157][ C1] RBP: 00007ffe0850e450 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 461.269163][ C1] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffe0850e460 [ 461.269169][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 461.269175][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 0.000 msecs [ 467.238619][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!