[ 76.008992][ T55] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.117' (ED25519) to the list of known hosts. 2023/09/22 14:17:50 ignoring optional flag "sandboxArg"="0" 2023/09/22 14:17:50 parsed 1 programs 2023/09/22 14:17:50 executed programs: 0 [ 78.574570][ T4439] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.582483][ T4439] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.590256][ T4439] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 78.598499][ T4439] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.606171][ T4439] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 78.613882][ T4439] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.722765][ T5386] chnl_net:caif_netlink_parms(): no params data found [ 78.772769][ T5386] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.779947][ T5386] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.787157][ T5386] bridge_slave_0: entered allmulticast mode [ 78.794248][ T5386] bridge_slave_0: entered promiscuous mode [ 78.801884][ T5386] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.809306][ T5386] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.816376][ T5386] bridge_slave_1: entered allmulticast mode [ 78.823502][ T5386] bridge_slave_1: entered promiscuous mode [ 78.848477][ T5386] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.859622][ T5386] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.885525][ T5386] team0: Port device team_slave_0 added [ 78.892998][ T5386] team0: Port device team_slave_1 added [ 78.916049][ T5386] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.923180][ T5386] 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. [ 78.949299][ T5386] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.961421][ T5386] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.968386][ T5386] 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. [ 78.997087][ T5386] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 79.034360][ T5386] hsr_slave_0: entered promiscuous mode [ 79.042145][ T5386] hsr_slave_1: entered promiscuous mode [ 79.983465][ T5386] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 80.001271][ T5386] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 80.013888][ T5386] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 80.026490][ T5386] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 80.122472][ T5386] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.149394][ T5386] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.165781][ T29] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.173054][ T29] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.190788][ T5044] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.197928][ T5044] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.395716][ T5386] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.445711][ T5386] veth0_vlan: entered promiscuous mode [ 80.463087][ T5386] veth1_vlan: entered promiscuous mode [ 80.501697][ T5386] veth0_macvtap: entered promiscuous mode [ 80.516716][ T5386] veth1_macvtap: entered promiscuous mode [ 80.541452][ T5386] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.558395][ T5386] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.571703][ T5386] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.582698][ T5386] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.591753][ T5386] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.601407][ T5386] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.659045][ T4439] Bluetooth: hci0: command 0x0409 tx timeout [ 80.690836][ T29] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.710000][ T29] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.749167][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.756996][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.892844][ T5465] loop0: detected capacity change from 0 to 131072 [ 81.909410][ T5465] F2FS-fs (loop0): invalid crc value [ 81.923839][ T5465] F2FS-fs (loop0): Found nat_bits in checkpoint [ 81.972307][ T5465] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [ 82.727535][ T4439] Bluetooth: hci0: command 0x041b tx timeout [ 84.807639][ T4439] Bluetooth: hci0: command 0x040f tx timeout 2023/09/22 14:17:57 executed programs: 2 [ 86.897643][ T4439] Bluetooth: hci0: command 0x0419 tx timeout 2023/09/22 14:18:02 executed programs: 4 2023/09/22 14:18:09 executed programs: 7 2023/09/22 14:18:15 executed programs: 10 2023/09/22 14:18:21 executed programs: 13 2023/09/22 14:18:27 executed programs: 16 2023/09/22 14:18:33 executed programs: 19 2023/09/22 14:18:40 executed programs: 22 [ 132.331002][ T1225] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.338738][ T1225] ieee802154 phy1 wpan1: encryption failed: -22 2023/09/22 14:18:46 executed programs: 25 2023/09/22 14:18:52 executed programs: 28 2023/09/22 14:18:58 executed programs: 31 2023/09/22 14:19:04 executed programs: 34 2023/09/22 14:19:11 executed programs: 37 2023/09/22 14:19:17 executed programs: 40 2023/09/22 14:19:23 executed programs: 43 2023/09/22 14:19:29 executed programs: 46 2023/09/22 14:19:36 executed programs: 49 2023/09/22 14:19:42 executed programs: 52 [ 193.771488][ T1225] ieee802154 phy0 wpan0: encryption failed: -22 [ 193.778344][ T1225] ieee802154 phy1 wpan1: encryption failed: -22 2023/09/22 14:19:48 executed programs: 55 [ 200.971465][ T4439] Bluetooth: hci0: command 0x0406 tx timeout 2023/09/22 14:19:54 executed programs: 58 2023/09/22 14:20:01 executed programs: 61 2023/09/22 14:20:07 executed programs: 64 2023/09/22 14:20:14 executed programs: 67 2023/09/22 14:20:20 executed programs: 70 2023/09/22 14:20:26 executed programs: 73 2023/09/22 14:20:32 executed programs: 76 2023/09/22 14:20:38 executed programs: 79 2023/09/22 14:20:45 executed programs: 82 [ 255.211651][ T1225] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.227979][ T1225] ieee802154 phy1 wpan1: encryption failed: -22 [ 257.127288][ T30] INFO: task kworker/u4:7:1040 blocked for more than 143 seconds. [ 257.139905][ T30] Not tainted 6.6.0-rc2-syzkaller-00244-g27bbf45eae9c #0 [ 257.152621][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 257.165930][ T30] task:kworker/u4:7 state:D stack:24840 pid:1040 ppid:2 flags:0x00004000 [ 257.187235][ T30] Workqueue: writeback wb_workfn (flush-7:0) [ 257.193243][ T30] Call Trace: [ 257.196521][ T30] [ 257.199992][ T30] __schedule+0xee1/0x5a10 [ 257.204436][ T30] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 257.217239][ T30] ? print_usage_bug.part.0+0x670/0x670 [ 257.222821][ T30] ? io_schedule_timeout+0x150/0x150 [ 257.228796][ T30] ? __blk_flush_plug+0x2eb/0x430 [ 257.233835][ T30] ? rwsem_down_write_slowpath+0x48e/0x12a0 [ 257.240133][ T30] schedule+0xe7/0x1b0 [ 257.244218][ T30] schedule_preempt_disabled+0x13/0x20 [ 257.250676][ T30] rwsem_down_write_slowpath+0x53d/0x12a0 [ 257.256413][ T30] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 257.262610][ T30] ? try_to_wake_up+0x112/0x15b0 [ 257.268524][ T30] ? down_timeout+0x90/0x90 [ 257.273884][ T30] ? lock_sync+0x190/0x190 [ 257.278692][ T30] ? preempt_count_sub+0x150/0x150 [ 257.283831][ T30] ? f2fs_usable_blks_in_seg+0xf3/0x5b0 [ 257.293264][ T30] down_write+0x1d3/0x200 [ 257.297836][ T30] ? rwsem_down_write_slowpath+0x12a0/0x12a0 [ 257.303840][ T30] f2fs_balance_fs+0x553/0x750 [ 257.309808][ T30] ? f2fs_write_inode+0x4b9/0xd90 [ 257.315290][ T30] ? has_not_enough_free_secs.constprop.0+0x7d0/0x7d0 [ 257.322521][ T30] ? f2fs_put_page.constprop.0+0x1fe/0x690 [ 257.329514][ T30] ? f2fs_update_inode_page+0xd0/0x170 [ 257.334992][ T30] f2fs_write_inode+0x4b9/0xd90 [ 257.341318][ T30] ? reacquire_held_locks+0x4b0/0x4b0 [ 257.346720][ T30] __writeback_single_inode+0xa81/0xe70 [ 257.353378][ T30] ? __mark_inode_dirty+0xd50/0xd50 [ 257.358810][ T30] ? _raw_spin_unlock+0x28/0x40 [ 257.363687][ T30] ? wbc_attach_and_unlock_inode+0x561/0x910 [ 257.370604][ T30] writeback_sb_inodes+0x599/0x1010 [ 257.375824][ T30] ? sync_inode_metadata+0xe0/0xe0 [ 257.381170][ T30] ? do_raw_spin_lock+0x12e/0x2b0 [ 257.386225][ T30] ? move_expired_inodes+0x59e/0x850 [ 257.392419][ T30] __writeback_inodes_wb+0xff/0x2d0 [ 257.398795][ T30] ? writeback_sb_inodes+0x1010/0x1010 [ 257.404264][ T30] ? queue_io+0x3ed/0x4e0 [ 257.409524][ T30] wb_writeback+0x7f8/0xa90 [ 257.414046][ T30] ? __writeback_inodes_wb+0x2d0/0x2d0 [ 257.419569][ T30] ? reacquire_held_locks+0x4b0/0x4b0 [ 257.425147][ T30] ? get_nr_dirty_inodes+0x176/0x1e0 [ 257.431312][ T30] wb_workfn+0xa02/0xfd0 [ 257.435572][ T30] ? inode_wait_for_writeback+0x30/0x30 [ 257.441360][ T30] ? lock_sync+0x190/0x190 [ 257.445990][ T30] ? lock_sync+0x190/0x190 [ 257.451535][ T30] process_one_work+0x884/0x15c0 [ 257.456502][ T30] ? lock_sync+0x190/0x190 [ 257.460963][ T30] ? init_worker_pool+0x770/0x770 [ 257.466247][ T30] ? assign_work+0x1a0/0x240 [ 257.470933][ T30] worker_thread+0x8b9/0x1290 [ 257.475782][ T30] ? __kthread_parkme+0x14b/0x220 [ 257.480862][ T30] ? process_one_work+0x15c0/0x15c0 [ 257.486227][ T30] kthread+0x33c/0x440 [ 257.490440][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 257.495661][ T30] ? kthread_complete_and_exit+0x40/0x40 [ 257.501553][ T30] ret_from_fork+0x45/0x80 [ 257.507289][ T30] ? kthread_complete_and_exit+0x40/0x40 [ 257.513087][ T30] ret_from_fork_asm+0x11/0x20 [ 257.527241][ T30] [ 257.535075][ T30] [ 257.535075][ T30] Showing all locks held in the system: [ 257.542870][ T30] 1 lock held by khungtaskd/30: [ 257.548008][ T30] #0: ffffffff8cbab2e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 [ 257.557937][ T30] 4 locks held by kworker/u4:7/1040: [ 257.563211][ T30] #0: ffff88801a260938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x787/0x15c0 [ 257.577240][ T30] #1: ffffc90004627d80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7e9/0x15c0 [ 257.597253][ T30] #2: ffff888028c0e0e0 (&type->s_umount_key#53){++++}-{3:3}, at: super_trylock_shared+0x1e/0xf0 [ 257.608085][ T30] #3: ffff888019bc52a8 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x553/0x750 [ 257.628277][ T30] 2 locks held by getty/4784: [ 257.632970][ T30] #0: ffff88802a5c20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 257.643174][ T30] #1: ffffc9000311b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc5/0x1480 [ 257.653559][ T30] 3 locks held by syz-executor.0/5521: [ 257.659270][ T30] 2 locks held by syz-executor.0/6086: [ 257.664731][ T30] 1 lock held by syz-executor.0/6088: [ 257.670530][ T30] [ 257.672858][ T30] ============================================= [ 257.672858][ T30] [ 257.681763][ T30] NMI backtrace for cpu 1 [ 257.686086][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.6.0-rc2-syzkaller-00244-g27bbf45eae9c #0 [ 257.695898][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 257.705939][ T30] Call Trace: [ 257.709206][ T30] [ 257.712126][ T30] dump_stack_lvl+0xd9/0x1b0 [ 257.716778][ T30] nmi_cpu_backtrace+0x277/0x380 [ 257.721731][ T30] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 257.726930][ T30] nmi_trigger_cpumask_backtrace+0x299/0x300 [ 257.732910][ T30] watchdog+0xf87/0x1210 [ 257.737143][ T30] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 257.743112][ T30] ? lockdep_hardirqs_on+0x7d/0x100 [ 257.748393][ T30] ? __kthread_parkme+0x14b/0x220 [ 257.753424][ T30] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 257.759397][ T30] kthread+0x33c/0x440 [ 257.763469][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 257.768661][ T30] ? kthread_complete_and_exit+0x40/0x40 [ 257.774282][ T30] ret_from_fork+0x45/0x80 [ 257.778691][ T30] ? kthread_complete_and_exit+0x40/0x40 [ 257.784322][ T30] ret_from_fork_asm+0x11/0x20 [ 257.789108][ T30] [ 257.792493][ T30] Sending NMI from CPU 1 to CPUs 0: [ 257.797880][ C0] NMI backtrace for cpu 0 [ 257.797887][ C0] CPU: 0 PID: 226 Comm: kworker/u4:6 Not tainted 6.6.0-rc2-syzkaller-00244-g27bbf45eae9c #0 [ 257.797901][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 257.797908][ C0] Workqueue: events_unbound toggle_allocation_gate [ 257.797927][ C0] RIP: 0010:__bfs+0x3c3/0x660 [ 257.797944][ C0] Code: 00 89 05 14 f2 a3 0f 44 29 d0 25 ff 0f 00 00 39 05 c2 71 a3 0f 4a 89 1c dd 20 ec 0a 91 73 2e 89 05 b2 71 a3 0f eb 26 48 8b 1b <4c> 39 cb 0f 84 51 fe ff ff 48 8d 7b 30 48 89 f8 48 c1 e8 03 42 80 [ 257.797955][ C0] RSP: 0018:ffffc900030d71f0 EFLAGS: 00000046 [ 257.797964][ C0] RAX: 1ffffffff237f7c3 RBX: ffffffff91c3c628 RCX: 1ffffffff2215d85 [ 257.797972][ C0] RDX: 00000000000003dd RSI: 1ffffffff2215e15 RDI: ffffffff910af0a8 [ 257.797979][ C0] RBP: ffffffff91c596d8 R08: 0000000000000000 R09: ffffffff91a26ef0 [ 257.797987][ C0] R10: 0000000000000002 R11: 0000000000000091 R12: ffffffff81674810 [ 257.797994][ C0] R13: ffffffff91c596f8 R14: dffffc0000000000 R15: ffffffff91c596c8 [ 257.798004][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 257.798016][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 257.798024][ C0] CR2: 00007faccc5fb000 CR3: 000000000c976000 CR4: 0000000000350ef0 [ 257.798031][ C0] Call Trace: [ 257.798035][ C0] [ 257.798039][ C0] ? show_regs+0x8f/0xa0 [ 257.798053][ C0] ? nmi_cpu_backtrace+0x1d4/0x380 [ 257.798074][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 257.798090][ C0] ? nmi_handle+0x1a6/0x570 [ 257.798104][ C0] ? __bfs+0x3c3/0x660 [ 257.798118][ C0] ? default_do_nmi+0x69/0x160 [ 257.798132][ C0] ? exc_nmi+0x171/0x1e0 [ 257.798145][ C0] ? end_repeat_nmi+0x16/0x31 [ 257.798160][ C0] ? static_obj+0xc0/0xc0 [ 257.798175][ C0] ? __bfs+0x3c3/0x660 [ 257.798189][ C0] ? __bfs+0x3c3/0x660 [ 257.798203][ C0] ? __bfs+0x3c3/0x660 [ 257.798216][ C0] [ 257.798219][ C0] [ 257.798222][ C0] ? usage_match+0x100/0x100 [ 257.798238][ C0] check_irq_usage+0x1d5/0x1c70 [ 257.798261][ C0] ? mark_lock+0x105/0x1950 [ 257.798275][ C0] ? ret_from_fork_asm+0x11/0x20 [ 257.798292][ C0] ? __orc_find+0x104/0x130 [ 257.798310][ C0] ? print_shortest_lock_dependencies_backwards+0x1b0/0x1b0 [ 257.798328][ C0] ? hlock_conflict+0x58/0x200 [ 257.798342][ C0] ? __bfs+0x2f8/0x660 [ 257.798355][ C0] ? save_trace+0xb30/0xb30 [ 257.798369][ C0] ? mark_lock+0x105/0x1950 [ 257.798386][ C0] ? mark_lock+0x105/0x1950 [ 257.798404][ C0] ? print_usage_bug.part.0+0x670/0x670 [ 257.798420][ C0] ? print_usage_bug.part.0+0x670/0x670 [ 257.798437][ C0] ? __lock_acquire+0x2e53/0x5de0 [ 257.798452][ C0] __lock_acquire+0x2e53/0x5de0 [ 257.798472][ C0] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 257.798489][ C0] ? __lock_acquire+0x182f/0x5de0 [ 257.798507][ C0] lock_acquire+0x1ae/0x510 [ 257.798523][ C0] ? psi_task_switch+0x55a/0x900 [ 257.798535][ C0] ? lock_sync+0x190/0x190 [ 257.798551][ C0] ? rcu_is_watching+0x12/0xb0 [ 257.798563][ C0] ? trace_pelt_se_tp+0xe9/0x120 [ 257.798580][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 257.798596][ C0] psi_group_change+0x131/0xdc0 [ 257.798612][ C0] ? psi_task_switch+0x55a/0x900 [ 257.798626][ C0] psi_task_switch+0x55a/0x900 [ 257.798639][ C0] __schedule+0x2336/0x5a10 [ 257.798654][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 257.798669][ C0] ? lockdep_hardirqs_on+0x7d/0x100 [ 257.798687][ C0] ? io_schedule_timeout+0x150/0x150 [ 257.798701][ C0] ? smp_call_function_many_cond+0x4d6/0x1570 [ 257.798719][ C0] ? smp_call_function_many_cond+0x584/0x1570 [ 257.798737][ C0] ? __kmem_cache_alloc_node+0xc4/0x340 [ 257.798757][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 257.798775][ C0] preempt_schedule_common+0x45/0xc0 [ 257.798790][ C0] ? __text_poke+0xc90/0xc90 [ 257.798801][ C0] preempt_schedule_thunk+0x1a/0x30 [ 257.798819][ C0] ? on_each_cpu_cond_mask+0x70/0x90 [ 257.798836][ C0] on_each_cpu_cond_mask+0x75/0x90 [ 257.798853][ C0] text_poke_bp_batch+0x83a/0x960 [ 257.798865][ C0] ? __kmem_cache_alloc_node+0xc4/0x340 [ 257.798885][ C0] ? do_sync_core+0x40/0x40 [ 257.798895][ C0] ? __jump_label_patch+0x1db/0x3f0 [ 257.798911][ C0] ? text_poke_queue+0xef/0x180 [ 257.798929][ C0] ? arch_jump_label_transform_queue+0xc0/0x110 [ 257.798948][ C0] text_poke_finish+0x30/0x40 [ 257.798960][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 257.798977][ C0] jump_label_update+0x32e/0x410 [ 257.798996][ C0] static_key_enable_cpuslocked+0x1b5/0x270 [ 257.799015][ C0] static_key_enable+0x1a/0x20 [ 257.799032][ C0] toggle_allocation_gate+0xf4/0x250 [ 257.799048][ C0] ? wake_up_kfence_timer+0x30/0x30 [ 257.799065][ C0] process_one_work+0x884/0x15c0 [ 257.799082][ C0] ? lock_sync+0x190/0x190 [ 257.799097][ C0] ? init_worker_pool+0x770/0x770 [ 257.799113][ C0] ? assign_work+0x1a0/0x240 [ 257.799127][ C0] worker_thread+0x8b9/0x1290 [ 257.799144][ C0] ? __kthread_parkme+0x14b/0x220 [ 257.799157][ C0] ? process_one_work+0x15c0/0x15c0 [ 257.799171][ C0] kthread+0x33c/0x440 [ 257.799182][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 257.799200][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 257.799213][ C0] ret_from_fork+0x45/0x80 [ 257.799226][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 257.799239][ C0] ret_from_fork_asm+0x11/0x20 [ 257.799263][ C0] [ 258.328764][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 258.335612][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.6.0-rc2-syzkaller-00244-g27bbf45eae9c #0 [ 258.345430][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 258.355527][ T30] Call Trace: [ 258.358817][ T30] [ 258.361758][ T30] dump_stack_lvl+0xd9/0x1b0 [ 258.366367][ T30] panic+0x6a6/0x750 [ 258.370284][ T30] ? panic_smp_self_stop+0xa0/0xa0 [ 258.375408][ T30] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 258.380611][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 258.385997][ T30] ? watchdog+0xd3e/0x1210 [ 258.390419][ T30] watchdog+0xd4f/0x1210 [ 258.394681][ T30] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 258.400673][ T30] ? lockdep_hardirqs_on+0x7d/0x100 [ 258.405884][ T30] ? __kthread_parkme+0x14b/0x220 [ 258.410922][ T30] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 258.416909][ T30] kthread+0x33c/0x440 [ 258.420992][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 258.426223][ T30] ? kthread_complete_and_exit+0x40/0x40 [ 258.431876][ T30] ret_from_fork+0x45/0x80 [ 258.436306][ T30] ? kthread_complete_and_exit+0x40/0x40 [ 258.441943][ T30] ret_from_fork_asm+0x11/0x20 [ 258.446732][ T30] [ 258.450600][ T30] Kernel Offset: disabled [ 258.454902][ T30] Rebooting in 86400 seconds..