Warning: Permanently added '10.128.0.231' (ED25519) to the list of known hosts. 2024/01/26 16:15:03 parsed 1 programs 2024/01/26 16:15:03 executed programs: 0 [ 102.238515][ T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 102.246900][ T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 102.255244][ T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 102.263108][ T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 102.270875][ T52] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 102.281298][ T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 102.437551][ T5140] chnl_net:caif_netlink_parms(): no params data found [ 102.518818][ T5140] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.526787][ T5140] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.534291][ T5140] bridge_slave_0: entered allmulticast mode [ 102.541741][ T5140] bridge_slave_0: entered promiscuous mode [ 102.552977][ T5140] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.560469][ T5140] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.567958][ T5140] bridge_slave_1: entered allmulticast mode [ 102.576023][ T5140] bridge_slave_1: entered promiscuous mode [ 102.612696][ T5140] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 102.626168][ T5140] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 102.665007][ T5140] team0: Port device team_slave_0 added [ 102.673521][ T5140] team0: Port device team_slave_1 added [ 102.706795][ T5140] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 102.713798][ T5140] 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. [ 102.740478][ T5140] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.754117][ T5140] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 102.761104][ T5140] 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. [ 102.787393][ T5140] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.831626][ T5140] hsr_slave_0: entered promiscuous mode [ 102.838414][ T5140] hsr_slave_1: entered promiscuous mode [ 102.997057][ T5140] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 103.012286][ T5140] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 103.023297][ T5140] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 103.034708][ T5140] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 103.068306][ T5140] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.075624][ T5140] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.083884][ T5140] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.091177][ T5140] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.178384][ T5140] 8021q: adding VLAN 0 to HW filter on device bond0 [ 103.198259][ T782] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.209622][ T782] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.228170][ T5140] 8021q: adding VLAN 0 to HW filter on device team0 [ 103.242860][ T782] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.250051][ T782] bridge0: port 1(bridge_slave_0) entered forwarding state [ 103.265825][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.273063][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 103.356645][ T5140] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 103.555785][ T5140] veth0_vlan: entered promiscuous mode [ 103.569575][ T5140] veth1_vlan: entered promiscuous mode [ 103.603511][ T5140] veth0_macvtap: entered promiscuous mode [ 103.615477][ T5140] veth1_macvtap: entered promiscuous mode [ 103.638546][ T5140] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 103.656457][ T5140] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 103.671415][ T5140] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.682059][ T5140] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.690833][ T5140] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.700203][ T5140] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 103.892832][ T5159] nbd0: detected capacity change from 0 to 10 [ 104.305351][ T52] Bluetooth: hci0: command 0x0409 tx timeout [ 104.607570][ T4456] block nbd0: Receive control failed (result -104) [ 104.608205][ T5158] block nbd0: shutting down sockets [ 104.634535][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 104.643860][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 104.652275][ T5131] ldm_validate_partition_table(): Disk read failed. [ 104.659526][ T5131] Dev nbd0: unable to read RDB block 0 [ 104.666618][ T5131] nbd0: unable to read partition table [ 104.673078][ T5131] nbd0: partition table beyond EOD, truncated [ 104.801117][ T5162] nbd0: detected capacity change from 0 to 10 [ 105.521038][ T5161] block nbd0: shutting down sockets [ 105.526751][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 105.535866][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 105.544182][ T5131] ldm_validate_partition_table(): Disk read failed. [ 105.550937][ T5131] Dev nbd0: unable to read RDB block 0 [ 105.557104][ T5131] nbd0: unable to read partition table [ 105.562941][ T5131] nbd0: partition table beyond EOD, truncated [ 105.692802][ T5165] nbd0: detected capacity change from 0 to 10 [ 106.384430][ T52] Bluetooth: hci0: command 0x041b tx timeout [ 106.419438][ T4456] block nbd0: Receive control failed (result -104) [ 106.424201][ T5164] block nbd0: shutting down sockets 2024/01/26 16:15:08 executed programs: 3 [ 106.434732][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 106.443777][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 106.451707][ T5131] ldm_validate_partition_table(): Disk read failed. [ 106.458469][ T5131] Dev nbd0: unable to read RDB block 0 [ 106.464160][ T5131] nbd0: unable to read partition table [ 106.469887][ T5131] nbd0: partition table beyond EOD, truncated [ 106.602087][ T5169] nbd0: detected capacity change from 0 to 10 [ 107.314800][ T4456] block nbd0: Receive control failed (result -104) [ 107.315279][ T5168] block nbd0: shutting down sockets [ 107.327479][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 107.336572][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 107.344691][ T5131] ldm_validate_partition_table(): Disk read failed. [ 107.351294][ T5131] Dev nbd0: unable to read RDB block 0 [ 107.358137][ T5131] nbd0: unable to read partition table [ 107.363898][ T5131] nbd0: partition table beyond EOD, truncated [ 107.501109][ T5172] nbd0: detected capacity change from 0 to 10 [ 108.199623][ T4456] block nbd0: Receive control failed (result -104) [ 108.207664][ T5171] block nbd0: shutting down sockets [ 108.215489][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 108.224753][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 108.233504][ T5131] ldm_validate_partition_table(): Disk read failed. [ 108.240477][ T5131] Dev nbd0: unable to read RDB block 0 [ 108.246038][ T5131] nbd0: unable to read partition table [ 108.251995][ T5131] nbd0: partition table beyond EOD, truncated [ 108.381971][ T5175] nbd0: detected capacity change from 0 to 10 [ 108.464705][ T52] Bluetooth: hci0: command 0x040f tx timeout [ 109.089162][ T4456] block nbd0: Receive control failed (result -104) [ 109.096203][ T5174] block nbd0: shutting down sockets [ 109.101682][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 109.110823][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 109.119300][ T5131] ldm_validate_partition_table(): Disk read failed. [ 109.126164][ T5131] Dev nbd0: unable to read RDB block 0 [ 109.131652][ T5131] nbd0: unable to read partition table [ 109.137597][ T5131] nbd0: partition table beyond EOD, truncated [ 109.284182][ T5177] nbd0: detected capacity change from 0 to 10 [ 109.975367][ T4456] block nbd0: Receive control failed (result -104) [ 110.544141][ T4456] Bluetooth: hci0: command 0x0419 tx timeout [ 139.665166][ T56] block nbd0: Possible stuck request ffff888021070400: control (read@0,4096B). Runtime 30 seconds [ 169.745011][ T56] block nbd0: Possible stuck request ffff888021070400: control (read@0,4096B). Runtime 60 seconds [ 170.976402][ T4512] udevd[4512]: worker [5131] /devices/virtual/block/nbd0 is taking a long time [ 199.825093][ T56] block nbd0: Possible stuck request ffff888021070400: control (read@0,4096B). Runtime 90 seconds [ 228.144241][ T4456] Bluetooth: hci0: command 0x0406 tx timeout [ 229.904518][ T56] block nbd0: Possible stuck request ffff888021070400: control (read@0,4096B). Runtime 120 seconds [ 259.985255][ T56] block nbd0: Possible stuck request ffff888021070400: control (read@0,4096B). Runtime 150 seconds [ 287.504371][ T29] INFO: task syz-executor.0:5178 blocked for more than 143 seconds. [ 287.512818][ T29] Not tainted 6.8.0-rc1-next-20240125-syzkaller-g01af33cc9894 #0 [ 287.521206][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.530028][ T29] task:syz-executor.0 state:D stack:28416 pid:5178 tgid:5176 ppid:5140 flags:0x00004006 [ 287.540394][ T29] Call Trace: [ 287.543760][ T29] [ 287.546941][ T29] __schedule+0xf15/0x5ce0 [ 287.551600][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 287.558338][ T29] ? __pfx___lock_acquire+0x10/0x10 [ 287.563712][ T29] ? __pfx___schedule+0x10/0x10 [ 287.568695][ T29] ? schedule+0x298/0x350 [ 287.573227][ T29] ? __pfx_lock_release+0x10/0x10 [ 287.578404][ T29] ? __mutex_lock+0x5b3/0x9c0 [ 287.583296][ T29] ? __mutex_trylock_common+0x78/0x250 [ 287.589360][ T29] schedule+0xe7/0x350 [ 287.593855][ T29] schedule_preempt_disabled+0x13/0x30 [ 287.601062][ T29] __mutex_lock+0x5b8/0x9c0 [ 287.605657][ T29] ? bdev_release+0xcd/0xa80 [ 287.610741][ T29] ? __pfx___mutex_lock+0x10/0x10 [ 287.615940][ T29] ? do_raw_spin_unlock+0x172/0x230 [ 287.621258][ T29] ? bdev_release+0xcd/0xa80 [ 287.626043][ T29] bdev_release+0xcd/0xa80 [ 287.630543][ T29] ? __pfx___might_resched+0x10/0x10 [ 287.636070][ T29] ? task_work_run+0x126/0x250 [ 287.640881][ T29] ? __pfx_blkdev_release+0x10/0x10 [ 287.646156][ T29] blkdev_release+0x37/0x50 [ 287.650890][ T29] __fput+0x270/0xb80 [ 287.655066][ T29] task_work_run+0x14e/0x250 [ 287.659707][ T29] ? __pfx_task_work_run+0x10/0x10 [ 287.665202][ T29] ? do_raw_spin_lock+0x28e/0x2c0 [ 287.670334][ T29] get_signal+0x105e/0x2760 [ 287.675092][ T29] ? do_raw_spin_unlock+0x1d7/0x230 [ 287.680365][ T29] ? __pfx_get_signal+0x10/0x10 [ 287.685284][ T29] ? _raw_spin_unlock_irqrestore+0x52/0x80 [ 287.691204][ T29] arch_do_signal_or_restart+0x90/0x7e0 [ 287.696873][ T29] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 287.703060][ T29] syscall_exit_to_user_mode+0x153/0x2b0 [ 287.708854][ T29] do_syscall_64+0xe2/0x260 [ 287.713516][ T29] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 287.719531][ T29] RIP: 0033:0x4551e9 [ 287.723437][ T29] RSP: 002b:00007fc55c9de0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 287.731954][ T29] RAX: 0000000000000000 RBX: 000000000054cfa0 RCX: 00000000004551e9 [ 287.739999][ T29] RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 [ 287.748026][ T29] RBP: 00000000004a06fd R08: 0000000000000000 R09: 0000000000000000 [ 287.756049][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049f8fd [ 287.764075][ T29] R13: 000000000000006e R14: 000000000054cfa0 R15: 00007ffee79f4928 [ 287.772073][ T29] [ 287.775257][ T29] [ 287.775257][ T29] Showing all locks held in the system: [ 287.782979][ T29] 1 lock held by khungtaskd/29: [ 287.787886][ T29] #0: ffffffff8d5b08e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 [ 287.797913][ T29] 2 locks held by kworker/u4:8/2802: [ 287.803403][ T29] 2 locks held by getty/4812: [ 287.808245][ T29] #0: ffff88802b2830a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 287.818283][ T29] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 [ 287.828560][ T29] 1 lock held by udevd/5131: [ 287.833190][ T29] #0: ffff888020b1e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open_by_dev+0x276/0xec0 [ 287.843608][ T29] 1 lock held by syz-executor.0/5178: [ 287.849086][ T29] #0: ffff888020b1e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0xcd/0xa80 [ 287.858682][ T29] [ 287.861046][ T29] ============================================= [ 287.861046][ T29] [ 287.869710][ T29] NMI backtrace for cpu 0 [ 287.874054][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc1-next-20240125-syzkaller-g01af33cc9894 #0 [ 287.884564][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 287.894785][ T29] Call Trace: [ 287.898056][ T29] [ 287.901066][ T29] dump_stack_lvl+0xd9/0x1b0 [ 287.906007][ T29] nmi_cpu_backtrace+0x27b/0x390 [ 287.911148][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.917262][ T29] nmi_trigger_cpumask_backtrace+0x29c/0x300 [ 287.923284][ T29] watchdog+0xf86/0x1210 [ 287.927568][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.932262][ T29] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.937642][ T29] ? __kthread_parkme+0x148/0x220 [ 287.942675][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.947362][ T29] kthread+0x2c1/0x3a0 [ 287.951453][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.956663][ T29] ? __pfx_kthread+0x10/0x10 [ 287.961258][ T29] ret_from_fork+0x45/0x80 [ 287.965706][ T29] ? __pfx_kthread+0x10/0x10 [ 287.970306][ T29] ret_from_fork_asm+0x1a/0x30 [ 287.975192][ T29] [ 287.978443][ T29] Sending NMI from CPU 0 to CPUs 1: [ 287.983684][ C1] NMI backtrace for cpu 1 [ 287.983695][ C1] CPU: 1 PID: 2798 Comm: kworker/u4:7 Not tainted 6.8.0-rc1-next-20240125-syzkaller-g01af33cc9894 #0 [ 287.983717][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 287.983729][ C1] Workqueue: events_unbound toggle_allocation_gate [ 287.983847][ C1] RIP: 0010:hlock_class+0x19/0x130 [ 287.983873][ C1] Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 53 48 89 fb 48 83 c7 20 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e da 00 00 00 0f b7 5b 20 66 81 [ 287.983891][ C1] RSP: 0018:ffffc9000abc7658 EFLAGS: 00000806 [ 287.983905][ C1] RAX: dffffc0000000000 RBX: ffff88802c13e5a0 RCX: 0000000000000003 [ 287.983922][ C1] RDX: 1ffff11005827cb8 RSI: 0000000000000008 RDI: ffff88802c13e5c0 [ 287.983935][ C1] RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000006 [ 287.983949][ C1] R10: ffffffff93ae2fc7 R11: 0000000000000005 R12: ffffed1005827c9a [ 287.983960][ C1] R13: ffff88802c13e4d8 R14: 0000000000000005 R15: 0000000000000003 [ 287.983970][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 287.983989][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.984001][ C1] CR2: 00005636a7eab028 CR3: 000000000d37a000 CR4: 00000000003506f0 [ 287.984013][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.984024][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.984036][ C1] Call Trace: [ 287.984042][ C1] [ 287.984048][ C1] ? show_regs+0x8e/0xa0 [ 287.984075][ C1] ? nmi_cpu_backtrace+0x1d8/0x390 [ 287.984107][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.984131][ C1] ? nmi_handle+0x1a9/0x580 [ 287.984157][ C1] ? hlock_class+0x19/0x130 [ 287.984177][ C1] ? default_do_nmi+0x6a/0x160 [ 287.984205][ C1] ? exc_nmi+0x18a/0x210 [ 287.984230][ C1] ? end_repeat_nmi+0xf/0x5e [ 287.984258][ C1] ? hlock_class+0x19/0x130 [ 287.984277][ C1] ? hlock_class+0x19/0x130 [ 287.984298][ C1] ? hlock_class+0x19/0x130 [ 287.984318][ C1] [ 287.984323][ C1] [ 287.984328][ C1] __lock_acquire+0x5e0/0x3b30 [ 287.984359][ C1] ? __pfx___lock_acquire+0x10/0x10 [ 287.984385][ C1] ? __pfx___lock_acquire+0x10/0x10 [ 287.984409][ C1] ? finish_task_switch.isra.0+0x212/0xcc0 [ 287.984433][ C1] lock_acquire+0x1b1/0x540 [ 287.984458][ C1] ? __pte_offset_map_lock+0xf1/0x300 [ 287.984513][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.984537][ C1] ? mark_lock+0xb5/0xc60 [ 287.984561][ C1] ? do_raw_spin_lock+0x12d/0x2c0 [ 287.984581][ C1] ? rcu_is_watching+0x12/0xc0 [ 287.984614][ C1] _raw_spin_lock+0x2e/0x40 [ 287.984642][ C1] ? __pte_offset_map_lock+0xf1/0x300 [ 287.984665][ C1] __pte_offset_map_lock+0xf1/0x300 [ 287.984686][ C1] ? __pfx___pte_offset_map_lock+0x10/0x10 [ 287.984709][ C1] __get_locked_pte+0x79/0xc0 [ 287.984780][ C1] ? kmem_cache_alloc_node+0xa2/0x350 [ 287.984829][ C1] __text_poke+0x224/0xcb0 [ 287.984849][ C1] ? __pfx_text_poke_memcpy+0x10/0x10 [ 287.984871][ C1] ? __pfx___text_poke+0x10/0x10 [ 287.984889][ C1] ? kmem_cache_alloc_node+0xa2/0x350 [ 287.984920][ C1] text_poke_bp_batch+0x493/0x760 [ 287.984942][ C1] ? kmem_cache_alloc_bulk+0x1ba/0x940 [ 287.984967][ C1] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 287.984987][ C1] ? __jump_label_patch+0x1db/0x400 [ 287.985009][ C1] ? text_poke_queue+0xef/0x180 [ 287.985037][ C1] ? arch_jump_label_transform_queue+0xc0/0x120 [ 287.985063][ C1] text_poke_finish+0x30/0x40 [ 287.985083][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 287.985106][ C1] jump_label_update+0x1d7/0x400 [ 287.985186][ C1] static_key_enable_cpuslocked+0x1b7/0x270 [ 287.985211][ C1] static_key_enable+0x1a/0x20 [ 287.985234][ C1] toggle_allocation_gate+0xf8/0x250 [ 287.985258][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 287.985286][ C1] process_one_work+0x8d5/0x16e0 [ 287.985311][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.985335][ C1] ? __pfx_process_one_work+0x10/0x10 [ 287.985364][ C1] ? assign_work+0x1a0/0x250 [ 287.985393][ C1] worker_thread+0x8b6/0x1290 [ 287.985419][ C1] ? __pfx_worker_thread+0x10/0x10 [ 287.985442][ C1] kthread+0x2c1/0x3a0 [ 287.985466][ C1] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.985493][ C1] ? __pfx_kthread+0x10/0x10 [ 287.985518][ C1] ret_from_fork+0x45/0x80 [ 287.985542][ C1] ? __pfx_kthread+0x10/0x10 [ 287.985565][ C1] ret_from_fork_asm+0x1a/0x30 [ 287.985599][ C1] [ 287.990135][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 287.990150][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc1-next-20240125-syzkaller-g01af33cc9894 #0 [ 287.990175][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 287.990188][ T29] Call Trace: [ 287.990196][ T29] [ 287.990204][ T29] dump_stack_lvl+0xd9/0x1b0 [ 287.990237][ T29] panic+0x6ee/0x7a0 [ 287.990263][ T29] ? __pfx_panic+0x10/0x10 [ 287.990283][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 287.990313][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.990341][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 287.990367][ T29] ? watchdog+0xd3d/0x1210 [ 287.990401][ T29] ? watchdog+0xd30/0x1210 [ 287.990444][ T29] watchdog+0xd4e/0x1210 [ 287.990483][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.990514][ T29] ? lockdep_hardirqs_on+0x7c/0x110 [ 287.990544][ T29] ? __kthread_parkme+0x148/0x220 [ 287.990575][ T29] ? __pfx_watchdog+0x10/0x10 [ 287.990608][ T29] kthread+0x2c1/0x3a0 [ 287.990636][ T29] ? _raw_spin_unlock_irq+0x23/0x50 [ 287.990671][ T29] ? __pfx_kthread+0x10/0x10 [ 287.990703][ T29] ret_from_fork+0x45/0x80 [ 287.990733][ T29] ? __pfx_kthread+0x10/0x10 [ 287.990763][ T29] ret_from_fork_asm+0x1a/0x30 [ 287.990810][ T29] [ 288.001637][ T29] Kernel Offset: disabled [ 288.562525][ T29] Rebooting in 86400 seconds..