Warning: Permanently added '10.128.10.42' (ECDSA) to the list of known hosts. syzkaller login: [ 483.911625][ T6816] IPVS: ftp: loaded support on port[0] = 21 [ 483.990496][ T6816] chnl_net:caif_netlink_parms(): no params data found [ 484.039866][ T6816] bridge0: port 1(bridge_slave_0) entered blocking state [ 484.048227][ T6816] bridge0: port 1(bridge_slave_0) entered disabled state [ 484.056902][ T6816] device bridge_slave_0 entered promiscuous mode [ 484.065815][ T6816] bridge0: port 2(bridge_slave_1) entered blocking state [ 484.074087][ T6816] bridge0: port 2(bridge_slave_1) entered disabled state [ 484.081733][ T6816] device bridge_slave_1 entered promiscuous mode [ 484.102114][ T6816] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 484.115280][ T6816] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 484.136293][ T6816] team0: Port device team_slave_0 added [ 484.144696][ T6816] team0: Port device team_slave_1 added [ 484.161178][ T6816] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 484.168252][ T6816] 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. [ 484.194367][ T6816] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 484.206688][ T6816] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 484.213801][ T6816] 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. [ 484.240054][ T6816] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 484.325758][ T6816] device hsr_slave_0 entered promiscuous mode [ 484.372836][ T6816] device hsr_slave_1 entered promiscuous mode [ 484.492205][ T6816] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 484.536451][ T6816] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 484.594953][ T6816] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 484.634542][ T6816] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 484.699984][ T6816] bridge0: port 2(bridge_slave_1) entered blocking state [ 484.707239][ T6816] bridge0: port 2(bridge_slave_1) entered forwarding state [ 484.715362][ T6816] bridge0: port 1(bridge_slave_0) entered blocking state [ 484.722538][ T6816] bridge0: port 1(bridge_slave_0) entered forwarding state [ 484.766428][ T6816] 8021q: adding VLAN 0 to HW filter on device bond0 [ 484.780845][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 484.793224][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 484.801210][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 484.810452][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 484.824272][ T6816] 8021q: adding VLAN 0 to HW filter on device team0 [ 484.836171][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 484.844726][ T2558] bridge0: port 1(bridge_slave_0) entered blocking state [ 484.851794][ T2558] bridge0: port 1(bridge_slave_0) entered forwarding state [ 484.863901][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 484.873341][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 484.880402][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 484.905688][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 484.915003][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 484.924411][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 484.937526][ T6816] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 484.949045][ T6816] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 484.958429][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 484.967195][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 484.987952][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 484.995931][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 485.010210][ T6816] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 485.029283][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 485.039469][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 485.058067][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 485.067198][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 485.075975][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 485.083950][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 485.095534][ T6816] device veth0_vlan entered promiscuous mode [ 485.108114][ T6816] device veth1_vlan entered promiscuous mode [ 485.129790][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 485.138838][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 485.148090][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 485.157025][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 485.167909][ T6816] device veth0_macvtap entered promiscuous mode [ 485.178634][ T6816] device veth1_macvtap entered promiscuous mode [ 485.194952][ T6816] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 485.204940][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 485.213599][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 485.221667][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 485.231662][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 485.244026][ T6816] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 485.251302][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 485.262021][ T2558] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 590.452360][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 590.459513][ C1] rcu: 0-...0: (2 ticks this GP) idle=99a/1/0x4000000000000000 softirq=9090/9090 fqs=5249 [ 590.469840][ C1] (detected by 1, t=10502 jiffies, g=9037, q=75) [ 590.476261][ C1] Sending NMI from CPU 1 to CPUs 0: [ 590.483620][ C1] NMI backtrace for cpu 0 [ 590.483627][ C1] CPU: 0 PID: 6816 Comm: syz-executor148 Not tainted 5.8.0-rc3-syzkaller #0 [ 590.483634][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 590.483638][ C1] RIP: 0010:trace_hardirqs_off+0x4/0x210 [ 590.483650][ C1] Code: ff ff ff e8 de a6 39 00 e9 33 ff ff ff 48 89 df e8 d1 a6 39 00 e9 fe fe ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 41 56 41 55 <41> 54 55 53 e8 33 51 fa ff 48 8b 7c 24 28 e8 c9 36 6b 06 65 8b 1d [ 590.483655][ C1] RSP: 0018:ffffc90000007c98 EFLAGS: 00000082 [ 590.483664][ C1] RAX: 1ffffffff1369c08 RBX: 0000000000000082 RCX: ffffffff815aff60 [ 590.483670][ C1] RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000082 [ 590.483675][ C1] RBP: ffffffff8cace770 R08: 0000000000000000 R09: ffffffff8cace773 [ 590.483681][ C1] R10: fffffbfff1959cee R11: 0000000000000000 R12: ffff88809450c340 [ 590.483687][ C1] R13: dffffc0000000000 R14: 1ffff92000000f9b R15: ffffffff89bd0d00 [ 590.483693][ C1] FS: 000000000161b880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 590.483698][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 590.483704][ C1] CR2: 0000000020000610 CR3: 00000000952f7000 CR4: 00000000001406f0 [ 590.483709][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 590.483715][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 590.483718][ C1] Call Trace: [ 590.483721][ C1] [ 590.483726][ C1] _raw_spin_unlock_irqrestore+0x5b/0xe0 [ 590.483730][ C1] debug_object_activate+0x287/0x3e0 [ 590.483734][ C1] ? debug_object_assert_init+0x2e0/0x2e0 [ 590.483738][ C1] ? do_raw_spin_lock+0x120/0x2b0 [ 590.483742][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 590.483746][ C1] enqueue_hrtimer+0x27/0x3f0 [ 590.483750][ C1] __hrtimer_run_queues+0xc1e/0xfc0 [ 590.483755][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 590.483760][ C1] ? ktime_get_update_offsets_now+0x1c4/0x250 [ 590.483764][ C1] hrtimer_interrupt+0x32a/0x930 [ 590.483768][ C1] __sysvec_apic_timer_interrupt+0x142/0x5e0 [ 590.483772][ C1] asm_call_on_stack+0xf/0x20 [ 590.483775][ C1] [ 590.483780][ C1] sysvec_apic_timer_interrupt+0xe0/0x120 [ 590.483784][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 590.483789][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x8c/0xe0 [ 590.483801][ C1] Code: 48 c7 c0 40 e0 b4 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 37 48 83 3d fb a6 cd 01 00 74 22 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 35 39 68 f9 65 8b 05 5e c5 1a 78 [ 590.483806][ C1] RSP: 0018:ffffc900014772c0 EFLAGS: 00000282 [ 590.483814][ C1] RAX: 1ffffffff1369c08 RBX: 0000000000000282 RCX: 0000000000000002 [ 590.483820][ C1] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 [ 590.483826][ C1] RBP: ffff88809450c2e8 R08: 0000000000000000 R09: 0000000000000000 [ 590.483831][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000282 [ 590.483837][ C1] R13: 161f22aa3d822141 R14: ffff88809450c000 R15: 0000000000000000 [ 590.483841][ C1] taprio_change+0x1fdc/0x2960 [ 590.483845][ C1] ? taprio_peek_soft+0x5e0/0x5e0 [ 590.483849][ C1] ? mutex_is_locked+0xe/0x40 [ 590.483853][ C1] ? rtnl_is_locked+0x11/0x20 [ 590.483857][ C1] ? qdisc_hash_add+0x228/0x350 [ 590.483861][ C1] taprio_init+0x52e/0x670 [ 590.483865][ C1] ? taprio_change+0x2960/0x2960 [ 590.483869][ C1] qdisc_create+0x4b6/0x12e0 [ 590.483873][ C1] ? tc_get_qdisc+0xad0/0xad0 [ 590.483877][ C1] ? __nla_parse+0x3d/0x4a [ 590.483881][ C1] tc_modify_qdisc+0x4c8/0x1990 [ 590.483885][ C1] ? rtnetlink_rcv_msg+0x3f9/0xad0 [ 590.483889][ C1] ? qdisc_create+0x12e0/0x12e0 [ 590.483893][ C1] ? lock_is_held_type+0xb0/0xe0 [ 590.483897][ C1] ? qdisc_create+0x12e0/0x12e0 [ 590.483901][ C1] rtnetlink_rcv_msg+0x44e/0xad0 [ 590.483905][ C1] ? rtnetlink_put_metrics+0x510/0x510 [ 590.483910][ C1] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 590.483914][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 590.483918][ C1] netlink_rcv_skb+0x15a/0x430 [ 590.483922][ C1] ? rtnetlink_put_metrics+0x510/0x510 [ 590.483926][ C1] ? netlink_ack+0xa10/0xa10 [ 590.483930][ C1] netlink_unicast+0x533/0x7d0 [ 590.483933][ C1] ? netlink_attachskb+0x810/0x810 [ 590.483938][ C1] ? _copy_from_iter_full+0x247/0x890 [ 590.483942][ C1] ? __phys_addr+0x9a/0x110 [ 590.483946][ C1] ? __phys_addr_symbol+0x2c/0x70 [ 590.483950][ C1] ? __check_object_size+0x171/0x3e4 [ 590.483954][ C1] netlink_sendmsg+0x856/0xd90 [ 590.483958][ C1] ? netlink_unicast+0x7d0/0x7d0 [ 590.483963][ C1] ? netlink_unicast+0x7d0/0x7d0 [ 590.483966][ C1] sock_sendmsg+0xcf/0x120 [ 590.483970][ C1] ____sys_sendmsg+0x6e8/0x810 [ 590.483974][ C1] ? kernel_sendmsg+0x50/0x50 [ 590.483978][ C1] ? do_recvmmsg+0x6d0/0x6d0 [ 590.483982][ C1] ? mark_lock+0xbc/0x1710 [ 590.483986][ C1] ? __lock_acquire+0xc1e/0x56e0 [ 590.483990][ C1] ___sys_sendmsg+0xf3/0x170 [ 590.483994][ C1] ? sendmsg_copy_msghdr+0x160/0x160 [ 590.483999][ C1] ? percpu_counter_add_batch+0x126/0x180 [ 590.484003][ C1] ? lock_acquire+0x1f1/0xad0 [ 590.484007][ C1] ? __get_unused_fd_flags+0x60/0x60 [ 590.484011][ C1] ? find_held_lock+0x2d/0x110 [ 590.484015][ C1] ? __fd_install+0x1b4/0x600 [ 590.484019][ C1] ? lock_downgrade+0x820/0x820 [ 590.484023][ C1] ? __fget_light+0x215/0x280 [ 590.484027][ C1] __sys_sendmsg+0xe5/0x1b0 [ 590.484031][ C1] ? __sys_sendmsg_sock+0xb0/0xb0 [ 590.484035][ C1] ? do_syscall_64+0x1c/0xe0 [ 590.484039][ C1] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 590.484043][ C1] do_syscall_64+0x60/0xe0 [ 590.484048][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 590.484051][ C1] RIP: 0033:0x443799 [ 590.484055][ C1] Code: Bad RIP value. [ 590.484059][ C1] RSP: 002b:00007ffe2227c388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 590.484069][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443799 [ 590.484075][ C1] RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 [ 590.484081][ C1] RBP: 00007ffe2227c390 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 590.484086][ C1] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffe2227c3a0 [ 590.484092][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 590.484099][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 0.000 msecs