Warning: Permanently added '10.128.10.9' (ECDSA) to the list of known hosts. syzkaller login: [ 485.250079][ T8499] IPVS: ftp: loaded support on port[0] = 21 [ 485.352191][ T8499] chnl_net:caif_netlink_parms(): no params data found [ 485.411128][ T8499] bridge0: port 1(bridge_slave_0) entered blocking state [ 485.419888][ T8499] bridge0: port 1(bridge_slave_0) entered disabled state [ 485.427950][ T8499] device bridge_slave_0 entered promiscuous mode [ 485.438783][ T8499] bridge0: port 2(bridge_slave_1) entered blocking state [ 485.447102][ T8499] bridge0: port 2(bridge_slave_1) entered disabled state [ 485.455394][ T8499] device bridge_slave_1 entered promiscuous mode [ 485.477429][ T8499] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 485.488855][ T8499] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 485.513485][ T8499] team0: Port device team_slave_0 added [ 485.521087][ T8499] team0: Port device team_slave_1 added [ 485.539900][ T8499] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 485.546888][ T8499] 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. [ 485.574727][ T8499] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 485.587643][ T8499] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 485.596908][ T8499] 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. [ 485.624734][ T8499] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 485.653485][ T8499] device hsr_slave_0 entered promiscuous mode [ 485.660363][ T8499] device hsr_slave_1 entered promiscuous mode [ 485.771339][ T8499] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 485.785703][ T8499] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 485.795038][ T8499] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 485.807242][ T8499] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 485.834463][ T8499] bridge0: port 2(bridge_slave_1) entered blocking state [ 485.841844][ T8499] bridge0: port 2(bridge_slave_1) entered forwarding state [ 485.850039][ T8499] bridge0: port 1(bridge_slave_0) entered blocking state [ 485.857131][ T8499] bridge0: port 1(bridge_slave_0) entered forwarding state [ 485.906125][ T8499] 8021q: adding VLAN 0 to HW filter on device bond0 [ 485.919843][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 485.932559][ T19] bridge0: port 1(bridge_slave_0) entered disabled state [ 485.941086][ T19] bridge0: port 2(bridge_slave_1) entered disabled state [ 485.950533][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 485.965486][ T8499] 8021q: adding VLAN 0 to HW filter on device team0 [ 485.978252][ T8491] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 485.988998][ T8491] bridge0: port 1(bridge_slave_0) entered blocking state [ 485.996093][ T8491] bridge0: port 1(bridge_slave_0) entered forwarding state [ 486.010085][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 486.018536][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 486.025937][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 486.051212][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 486.061547][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 486.071293][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 486.081799][ T8491] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 486.094681][ T3002] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 486.106337][ T8499] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 486.129313][ T3002] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 486.136848][ T3002] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 486.149859][ T8499] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 486.171555][ T3002] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 486.194637][ T8707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 486.204033][ T8707] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 486.213450][ T8707] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 486.227055][ T8499] device veth0_vlan entered promiscuous mode [ 486.240709][ T8499] device veth1_vlan entered promiscuous mode [ 486.264011][ T3002] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 486.272521][ T3002] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 486.281568][ T3002] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 486.293771][ T8499] device veth0_macvtap entered promiscuous mode [ 486.305447][ T8499] device veth1_macvtap entered promiscuous mode [ 486.324771][ T8499] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 486.332736][ T8707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 486.343261][ T8707] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 486.354949][ T8499] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 486.363452][ T8707] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready executing program [ 486.372519][ T8707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 486.386167][ T8499] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 486.396480][ T8499] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 486.405392][ T8499] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 486.415660][ T8499] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 721.399024][ T1658] INFO: task kworker/0:3:3002 blocked for more than 143 seconds. [ 721.406982][ T1658] Not tainted 5.11.0-rc3-syzkaller #0 [ 721.437734][ T1658] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.457209][ T1658] task:kworker/0:3 state:D stack:26040 pid: 3002 ppid: 2 flags:0x00004000 [ 721.468336][ T1658] Workqueue: ipv6_addrconf addrconf_dad_work [ 721.475543][ T1658] Call Trace: [ 721.489189][ T1658] __schedule+0x90c/0x21a0 [ 721.493756][ T1658] ? io_schedule_timeout+0x140/0x140 [ 721.500705][ T1658] ? _raw_spin_unlock_irq+0x1f/0x40 [ 721.505965][ T1658] ? lockdep_hardirqs_on+0x79/0x100 [ 721.512981][ T1658] schedule+0xcf/0x270 [ 721.517097][ T1658] schedule_preempt_disabled+0xf/0x20 [ 721.523565][ T1658] __mutex_lock+0x81a/0x1110 [ 721.528199][ T1658] ? addrconf_dad_work+0xa3/0x1280 [ 721.534362][ T1658] ? mutex_lock_io_nested+0xf60/0xf60 [ 721.541614][ T1658] ? debug_object_deactivate+0x264/0x300 [ 721.547475][ T1658] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 721.554643][ T1658] addrconf_dad_work+0xa3/0x1280 [ 721.560213][ T1658] ? addrconf_dad_completed+0xc60/0xc60 [ 721.565809][ T1658] process_one_work+0x98d/0x15f0 [ 721.571850][ T1658] ? pwq_dec_nr_in_flight+0x320/0x320 [ 721.577284][ T1658] ? rwlock_bug.part.0+0x90/0x90 [ 721.583293][ T1658] ? _raw_spin_lock_irq+0x41/0x50 [ 721.588373][ T1658] worker_thread+0x64c/0x1120 [ 721.594447][ T1658] ? __kthread_parkme+0x13f/0x1e0 [ 721.600471][ T1658] ? process_one_work+0x15f0/0x15f0 [ 721.605705][ T1658] kthread+0x3b1/0x4a0 [ 721.611146][ T1658] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 721.617078][ T1658] ret_from_fork+0x1f/0x30 [ 721.623482][ T1658] INFO: task kworker/1:3:8707 blocked for more than 143 seconds. [ 721.632291][ T1658] Not tainted 5.11.0-rc3-syzkaller #0 [ 721.638201][ T1658] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 721.648515][ T1658] task:kworker/1:3 state:D stack:27088 pid: 8707 ppid: 2 flags:0x00004000 [ 721.658794][ T1658] Workqueue: ipv6_addrconf addrconf_dad_work [ 721.664940][ T1658] Call Trace: [ 721.668240][ T1658] __schedule+0x90c/0x21a0 [ 721.676179][ T1658] ? io_schedule_timeout+0x140/0x140 [ 721.682493][ T1658] ? _raw_spin_unlock_irq+0x1f/0x40 [ 721.687729][ T1658] ? lockdep_hardirqs_on+0x79/0x100 [ 721.694608][ T1658] schedule+0xcf/0x270 [ 721.698715][ T1658] schedule_preempt_disabled+0xf/0x20 [ 721.705583][ T1658] __mutex_lock+0x81a/0x1110 [ 721.711145][ T1658] ? addrconf_dad_work+0xa3/0x1280 [ 721.716309][ T1658] ? mutex_lock_io_nested+0xf60/0xf60 [ 721.723378][ T1658] ? debug_object_deactivate+0x264/0x300 [ 721.730062][ T1658] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 721.736112][ T1658] addrconf_dad_work+0xa3/0x1280 [ 721.743823][ T1658] ? do_raw_spin_lock+0x120/0x2b0 [ 721.749518][ T1658] ? addrconf_dad_completed+0xc60/0xc60 [ 721.755371][ T1658] process_one_work+0x98d/0x15f0 [ 721.761626][ T1658] ? pwq_dec_nr_in_flight+0x320/0x320 [ 721.767049][ T1658] ? rwlock_bug.part.0+0x90/0x90 [ 721.773454][ T1658] ? _raw_spin_lock_irq+0x41/0x50 [ 721.778558][ T1658] worker_thread+0x64c/0x1120 [ 721.784545][ T1658] ? __kthread_parkme+0x13f/0x1e0 [ 721.790274][ T1658] ? process_one_work+0x15f0/0x15f0 [ 721.795735][ T1658] kthread+0x3b1/0x4a0 [ 721.802908][ T1658] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 721.809620][ T1658] ret_from_fork+0x1f/0x30 [ 721.814233][ T1658] [ 721.814233][ T1658] Showing all locks held in the system: [ 721.823266][ T1658] 1 lock held by khungtaskd/1658: [ 721.828319][ T1658] #0: ffffffff8b373920 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 721.840422][ T1658] 3 locks held by kworker/0:3/3002: [ 721.845648][ T1658] #0: ffff8880213d5938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 [ 721.858229][ T1658] #1: ffffc90001a07da8 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 [ 721.871424][ T1658] #2: ffffffff8ca58668 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa3/0x1280 [ 721.882222][ T1658] 1 lock held by in:imklog/8179: [ 721.887192][ T1658] #0: ffff8880266b65f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 721.897835][ T1658] 3 locks held by kworker/1:3/8707: [ 721.903956][ T1658] #0: ffff8880213d5938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x871/0x15f0 [ 721.915891][ T1658] #1: ffffc90001df7da8 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15f0 [ 721.930299][ T1658] #2: ffffffff8ca58668 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xa3/0x1280 [ 721.940887][ T1658] 2 locks held by syz-executor894/8710: [ 721.946522][ T1658] [ 721.950798][ T1658] ============================================= [ 721.950798][ T1658] [ 721.961176][ T1658] NMI backtrace for cpu 0 [ 721.965526][ T1658] CPU: 0 PID: 1658 Comm: khungtaskd Not tainted 5.11.0-rc3-syzkaller #0 [ 721.973869][ T1658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 721.983943][ T1658] Call Trace: [ 721.987241][ T1658] dump_stack+0x107/0x163 [ 721.992462][ T1658] nmi_cpu_backtrace.cold+0x44/0xd7 [ 721.997690][ T1658] ? lapic_can_unplug_cpu+0x80/0x80 [ 722.003012][ T1658] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 722.009108][ T1658] watchdog+0xd43/0xfa0 [ 722.013370][ T1658] ? reset_hung_task_detector+0x30/0x30 [ 722.018952][ T1658] kthread+0x3b1/0x4a0 [ 722.023046][ T1658] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 722.028968][ T1658] ret_from_fork+0x1f/0x30 [ 722.033630][ T1658] Sending NMI from CPU 0 to CPUs 1: [ 722.041506][ C1] NMI backtrace for cpu 1 [ 722.041519][ C1] CPU: 1 PID: 8710 Comm: syz-executor894 Not tainted 5.11.0-rc3-syzkaller #0 [ 722.041530][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.041540][ C1] RIP: 0010:mark_lock+0x23/0x1720 [ 722.041552][ C1] Code: 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 53 48 81 ec 10 01 00 00 48 8d 5c 24 30 <48> 89 3c 24 48 c7 44 24 30 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 38 [ 722.041569][ C1] RSP: 0018:ffffc90000db0728 EFLAGS: 00000086 [ 722.041584][ C1] RAX: 000000000000000c RBX: ffffc90000db0758 RCX: ffffffff81584977 [ 722.041594][ C1] RDX: dffffc0000000000 RSI: ffff88802b3c5d68 RDI: ffff88802b3c5340 [ 722.041603][ C1] RBP: ffff88802b3c5340 R08: 0000000000000000 R09: ffffffff8ed307a7 [ 722.041612][ C1] R10: fffffbfff1da60f4 R11: 0000000000000000 R12: 0000000000000008 [ 722.041622][ C1] R13: ffff88802b3c5d8a R14: 0000000000000001 R15: ffff88802b3c5cc8 [ 722.041631][ C1] FS: 0000000000f39880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 722.041641][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 722.041650][ C1] CR2: 00007f9e8e825000 CR3: 0000000017a9a000 CR4: 00000000001506e0 [ 722.041659][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 722.041669][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 722.041676][ C1] Call Trace: [ 722.041681][ C1] [ 722.041686][ C1] ? mark_lock+0xf7/0x1720 [ 722.041692][ C1] ? lock_chain_count+0x20/0x20 [ 722.041698][ C1] ? lock_chain_count+0x20/0x20 [ 722.041705][ C1] ? mark_lock+0xf7/0x1720 [ 722.041711][ C1] ? lock_chain_count+0x20/0x20 [ 722.041717][ C1] __lock_acquire+0x8bf/0x54f0 [ 722.041723][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 722.041730][ C1] lock_acquire+0x29d/0x740 [ 722.041737][ C1] ? debug_object_activate+0x12e/0x3e0 [ 722.041743][ C1] ? lock_release+0x710/0x710 [ 722.041750][ C1] _raw_spin_lock_irqsave+0x39/0x50 [ 722.041757][ C1] ? debug_object_activate+0x12e/0x3e0 [ 722.041763][ C1] debug_object_activate+0x12e/0x3e0 [ 722.041770][ C1] ? debug_object_assert_init+0x2e0/0x2e0 [ 722.041777][ C1] ? get_nohz_timer_target+0x1d/0x5c0 [ 722.041784][ C1] __mod_timer+0x77d/0xe30 [ 722.041790][ C1] ? run_timer_softirq+0x1d0/0x1d0 [ 722.041797][ C1] ? do_raw_spin_lock+0x120/0x2b0 [ 722.041803][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 722.041810][ C1] ? do_raw_read_unlock+0x3b/0x70 [ 722.041816][ C1] dsp_cmx_send+0xbf3/0x1580 [ 722.041822][ C1] ? dsp_cmx_receive+0xee0/0xee0 [ 722.041829][ C1] call_timer_fn+0x1a5/0x6b0 [ 722.041835][ C1] ? add_timer_on+0x4a0/0x4a0 [ 722.041841][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 722.041848][ C1] ? dsp_cmx_receive+0xee0/0xee0 [ 722.041854][ C1] __run_timers.part.0+0x67c/0xa50 [ 722.041861][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 722.041867][ C1] run_timer_softirq+0xb3/0x1d0 [ 722.041873][ C1] __do_softirq+0x2bc/0xa29 [ 722.041879][ C1] asm_call_irq_on_stack+0xf/0x20 [ 722.041885][ C1] [ 722.041890][ C1] do_softirq_own_stack+0xaa/0xd0 [ 722.041897][ C1] irq_exit_rcu+0x134/0x200 [ 722.041903][ C1] sysvec_apic_timer_interrupt+0x4d/0x100 [ 722.041911][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 722.041918][ C1] RIP: 0010:lock_is_held_type+0xc2/0x100 [ 722.041930][ C1] Code: 03 44 39 f0 41 0f 94 c4 48 c7 c7 80 ab 4b 89 e8 44 0b 00 00 b8 ff ff ff ff 65 0f c1 05 97 a1 08 77 83 f8 01 75 23 ff 34 24 9d <48> 83 c4 08 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 e4 eb [ 722.041955][ C1] RSP: 0018:ffffc90001e56a90 EFLAGS: 00000202 [ 722.041973][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffffffff1a0754b [ 722.041984][ C1] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 722.041994][ C1] RBP: ffffffff8b373860 R08: 0000000000000000 R09: ffffffff8d03788f [ 722.042005][ C1] R10: fffffbfff1a06f11 R11: 0000000000000000 R12: 0000000000000000 [ 722.042015][ C1] R13: ffff88802b3c5cc8 R14: 00000000ffffffff R15: ffff88802b3c5cc8 [ 722.042024][ C1] rcu_read_lock_sched_held+0x3a/0x70 [ 722.042031][ C1] lock_acquire+0x5c9/0x740 [ 722.042038][ C1] ? lock_release+0x710/0x710 [ 722.042045][ C1] __mutex_lock+0x134/0x1110 [ 722.042051][ C1] ? tcf_idr_check_alloc+0x78/0x3b0 [ 722.042059][ C1] ? asm_sysvec_reschedule_ipi+0x12/0x20 [ 722.042066][ C1] ? tcf_idr_check_alloc+0x78/0x3b0 [ 722.042074][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 722.042081][ C1] ? asm_sysvec_reschedule_ipi+0x12/0x20 [ 722.042089][ C1] ? mutex_lock_io_nested+0xf60/0xf60 [ 722.042096][ C1] ? __mutex_unlock_slowpath+0xe2/0x610 [ 722.042104][ C1] ? wait_for_completion_io+0x260/0x260 [ 722.042118][ C1] ? __radix_tree_lookup+0x211/0x2a0 [ 722.042125][ C1] tcf_idr_check_alloc+0x78/0x3b0 [ 722.042132][ C1] tcf_police_init+0x34f/0x1460 [ 722.042139][ C1] ? tcf_police_cleanup+0x60/0x60 [ 722.042146][ C1] ? find_held_lock+0x2d/0x110 [ 722.042153][ C1] ? tc_lookup_action_n+0xcd/0xf0 [ 722.042160][ C1] ? kernel_text_address+0xbd/0xf0 [ 722.042221][ C1] tcf_action_init_1+0x1a3/0x990 [ 722.042229][ C1] ? tcf_action_dump_old+0x80/0x80 [ 722.042233][ C1] ? stack_trace_consume_entry+0x160/0x160 [ 722.042237][ C1] ? kasan_save_stack+0x32/0x40 [ 722.042240][ C1] ? kasan_save_stack+0x32/0x40 [ 722.042244][ C1] ? kasan_save_stack+0x1b/0x40 [ 722.042248][ C1] ? ____kasan_kmalloc.constprop.0+0x82/0xa0 [ 722.042251][ C1] ? fw_change+0x91b/0x13e0 [ 722.042255][ C1] ? rtnetlink_rcv_msg+0x80e/0xad0 [ 722.042258][ C1] ? netlink_rcv_skb+0x153/0x420 [ 722.042262][ C1] ? netlink_unicast+0x533/0x7d0 [ 722.042265][ C1] ? netlink_sendmsg+0x856/0xd90 [ 722.042269][ C1] ? sock_sendmsg+0xcf/0x120 [ 722.042272][ C1] ? ____sys_sendmsg+0x331/0x810 [ 722.042276][ C1] tcf_exts_validate+0x138/0x420 [ 722.042280][ C1] ? tcf_exts_destroy+0xc0/0xc0 [ 722.042283][ C1] fw_set_parms+0x13d/0xaa0 [ 722.042286][ C1] ? fw_delete+0x8c0/0x8c0 [ 722.042289][ C1] ? unpoison_range+0x3a/0x60 [ 722.042293][ C1] fw_change+0xa30/0x13e0 [ 722.042296][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 722.042299][ C1] ? fw_set_parms+0xaa0/0xaa0 [ 722.042303][ C1] ? tc_new_tfilter+0x132a/0x2120 [ 722.042306][ C1] tc_new_tfilter+0x1394/0x2120 [ 722.042310][ C1] ? fw_set_parms+0xaa0/0xaa0 [ 722.042313][ C1] ? tc_del_tfilter+0x15b0/0x15b0 [ 722.042317][ C1] ? quarantine_put+0xe1/0x1f0 [ 722.042320][ C1] ? tc_del_tfilter+0x15b0/0x15b0 [ 722.042324][ C1] rtnetlink_rcv_msg+0x80e/0xad0 [ 722.042327][ C1] ? rtnetlink_put_metrics+0x510/0x510 [ 722.042331][ C1] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 722.042335][ C1] netlink_rcv_skb+0x153/0x420 [ 722.042338][ C1] ? rtnetlink_put_metrics+0x510/0x510 [ 722.042342][ C1] ? netlink_ack+0xaa0/0xaa0 [ 722.042345][ C1] ? netlink_deliver_tap+0x227/0xb70 [ 722.042349][ C1] netlink_unicast+0x533/0x7d0 [ 722.042353][ C1] ? netlink_attachskb+0x870/0x870 [ 722.042356][ C1] ? _copy_from_iter_full+0x275/0x850 [ 722.042360][ C1] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 722.042370][ C1] ? __phys_addr_symbol+0x2c/0x70 [ 722.042374][ C1] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 722.042378][ C1] ? __check_object_size+0x171/0x3f0 [ 722.042381][ C1] netlink_sendmsg+0x856/0xd90 [ 722.042385][ C1] ? netlink_unicast+0x7d0/0x7d0 [ 722.042389][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 722.042393][ C1] ? netlink_unicast+0x7d0/0x7d0 [ 722.042396][ C1] sock_sendmsg+0xcf/0x120 [ 722.042400][ C1] ____sys_sendmsg+0x331/0x810 [ 722.042403][ C1] ? kernel_sendmsg+0x50/0x50 [ 722.042406][ C1] ? do_recvmmsg+0x6c0/0x6c0 [ 722.042410][ C1] ? __lock_acquire+0x16c2/0x54f0 [ 722.042413][ C1] ___sys_sendmsg+0xf3/0x170 [ 722.042417][ C1] ? sendmsg_copy_msghdr+0x160/0x160 [ 722.042420][ C1] ? find_held_lock+0x2d/0x110 [ 722.042424][ C1] ? __might_fault+0xd3/0x180 [ 722.042427][ C1] ? lock_downgrade+0x6d0/0x6d0 [ 722.042431][ C1] __sys_sendmmsg+0x195/0x470 [ 722.042434][ C1] ? __ia32_sys_sendmsg+0xb0/0xb0 [ 722.042438][ C1] ? find_held_lock+0x2d/0x110 [ 722.042441][ C1] ? alloc_file_pseudo+0x1/0x250 [ 722.042445][ C1] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 722.042449][ C1] ? fd_install+0x215/0x640 [ 722.042452][ C1] ? __sys_socket+0x16d/0x200 [ 722.042456][ C1] __x64_sys_sendmmsg+0x99/0x100 [ 722.042459][ C1] ? syscall_enter_from_user_mode+0x1d/0x50 [ 722.042463][ C1] do_syscall_64+0x2d/0x70 [ 722.042467][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 722.042470][ C1] RIP: 0033:0x445929 [ 722.042476][ C1] Code: e8 6c 05 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 9b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 722.042486][ C1] RSP: 002b:00007ffd89b80a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 722.042496][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445929 [ 722.042501][ C1] RDX: 010efe10675dec16 RSI: 0000000020000200 RDI: 0000000000000004 [ 722.042506][ C1] RBP: 00007ffd89b80a40 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 722.042511][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd89b80a50 [ 722.042517][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 722.042522][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.523 msecs [ 722.059193][ T1658] Kernel panic - not syncing: hung_task: blocked tasks [ 722.955376][ T1658] CPU: 0 PID: 1658 Comm: khungtaskd Not tainted 5.11.0-rc3-syzkaller #0 [ 722.964709][ T1658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 722.975044][ T1658] Call Trace: [ 722.978381][ T1658] dump_stack+0x107/0x163 [ 722.982947][ T1658] panic+0x306/0x73d [ 722.986879][ T1658] ? __warn_printk+0xf3/0xf3 [ 722.991502][ T1658] ? lapic_can_unplug_cpu+0x80/0x80 [ 722.996775][ T1658] ? preempt_schedule_thunk+0x16/0x18 [ 723.002258][ T1658] ? nmi_trigger_cpumask_backtrace+0x196/0x230 [ 723.008462][ T1658] ? watchdog.cold+0x5/0x158 [ 723.013142][ T1658] watchdog.cold+0x16/0x158 [ 723.017680][ T1658] ? reset_hung_task_detector+0x30/0x30 [ 723.023287][ T1658] kthread+0x3b1/0x4a0 [ 723.027395][ T1658] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 723.033495][ T1658] ret_from_fork+0x1f/0x30 [ 723.044330][ T1658] Kernel Offset: disabled [ 723.048702][ T1658] Rebooting in 86400 seconds..