Warning: Permanently added '10.128.0.233' (ED25519) to the list of known hosts.
2025/12/24 05:26:43 ignoring optional flag "type"="gce"
2025/12/24 05:26:44 parsed 1 programs
2025/12/24 05:26:44 executed programs: 0
[ 65.955944][ T4478] chnl_net:caif_netlink_parms(): no params data found
[ 66.014902][ T4478] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.022203][ T4478] bridge0: port 1(bridge_slave_0) entered disabled state
[ 66.031530][ T4478] device bridge_slave_0 entered promiscuous mode
[ 66.041149][ T4478] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.049434][ T4478] bridge0: port 2(bridge_slave_1) entered disabled state
[ 66.057620][ T4478] device bridge_slave_1 entered promiscuous mode
[ 66.084634][ T4478] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 66.097305][ T4478] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 66.127990][ T4478] team0: Port device team_slave_0 added
[ 66.136806][ T4478] team0: Port device team_slave_1 added
[ 66.161020][ T4478] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 66.168091][ T4478] 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.
[ 66.194239][ T4478] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 66.206669][ T4478] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 66.213716][ T4478] 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.
[ 66.239923][ T4478] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 66.278202][ T4478] device hsr_slave_0 entered promiscuous mode
[ 66.285391][ T4478] device hsr_slave_1 entered promiscuous mode
[ 66.839030][ T4478] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 66.850473][ T4478] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 66.879190][ T4478] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 66.899825][ T4478] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 66.928668][ T4478] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.935780][ T4478] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 66.943236][ T4478] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.950369][ T4478] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 66.977773][ T9] bridge0: port 1(bridge_slave_0) entered disabled state
[ 66.985887][ T9] bridge0: port 2(bridge_slave_1) entered disabled state
[ 67.024814][ T4478] 8021q: adding VLAN 0 to HW filter on device bond0
[ 67.039892][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 67.049394][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 67.066103][ T4478] 8021q: adding VLAN 0 to HW filter on device team0
[ 67.079597][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 67.090251][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 67.100619][ T9] bridge0: port 1(bridge_slave_0) entered blocking state
[ 67.107774][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 67.148904][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 67.161789][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 67.172322][ T9] bridge0: port 2(bridge_slave_1) entered blocking state
[ 67.179470][ T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 67.213679][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 67.223584][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 67.233919][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 67.245204][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 67.255450][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 67.270295][ T1477] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 67.279512][ T1477] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 67.291797][ T1477] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 67.304524][ T1477] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 67.317079][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 67.325893][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 67.336787][ T4478] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 67.451853][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 67.461508][ T153] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 67.477328][ T4478] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 67.498558][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 67.509974][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 67.532268][ T4478] device veth0_vlan entered promiscuous mode
[ 67.543722][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 67.552280][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 67.562432][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 67.570726][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 67.581396][ T4478] device veth1_vlan entered promiscuous mode
[ 67.603966][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 67.613342][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 67.622264][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 67.632399][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 67.645725][ T4478] device veth0_macvtap entered promiscuous mode
[ 67.656879][ T4478] device veth1_macvtap entered promiscuous mode
[ 67.676102][ T4478] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 67.684042][ T1477] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 67.693940][ T1477] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 67.703054][ T1477] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 67.712908][ T1477] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 67.725762][ T4478] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 67.735029][ T1477] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 67.744749][ T1477] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 67.755931][ T4478] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.767174][ T4478] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.775902][ T4478] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.785776][ T4478] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 67.939191][ T21] Bluetooth: hci0: command 0x0409 tx timeout
[ 68.669603][ T4590] loop0: detected capacity change from 0 to 131072
[ 68.690287][ T4590] F2FS-fs (loop0): invalid crc value
[ 68.725818][ T4590] F2FS-fs (loop0): Found nat_bits in checkpoint
[ 68.809065][ T4590] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4
[ 70.027359][ T21] Bluetooth: hci0: command 0x041b tx timeout
[ 71.460836][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[ 71.467515][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
2025/12/24 05:26:50 executed programs: 2
[ 72.106744][ T21] Bluetooth: hci0: command 0x040f tx timeout
[ 74.176869][ T21] Bluetooth: hci0: command 0x0419 tx timeout
[ 76.583958][ T13] cfg80211: failed to load regulatory.db
2025/12/24 05:26:55 executed programs: 4
2025/12/24 05:27:00 executed programs: 7
2025/12/24 05:27:06 executed programs: 10
2025/12/24 05:27:11 executed programs: 13
2025/12/24 05:27:17 executed programs: 16
2025/12/24 05:27:22 executed programs: 19
2025/12/24 05:27:28 executed programs: 22
2025/12/24 05:27:34 executed programs: 25
2025/12/24 05:27:39 executed programs: 28
2025/12/24 05:27:45 executed programs: 31
2025/12/24 05:27:51 executed programs: 34
[ 132.909213][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[ 132.915792][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
2025/12/24 05:27:57 executed programs: 37
2025/12/24 05:28:02 executed programs: 40
2025/12/24 05:28:08 executed programs: 43
2025/12/24 05:28:13 executed programs: 46
2025/12/24 05:28:19 executed programs: 49
2025/12/24 05:28:24 executed programs: 52
2025/12/24 05:28:30 executed programs: 55
2025/12/24 05:28:35 executed programs: 58
2025/12/24 05:28:41 executed programs: 61
2025/12/24 05:28:46 executed programs: 64
[ 191.297144][ T21] Bluetooth: hci0: command 0x0406 tx timeout
2025/12/24 05:28:52 executed programs: 67
[ 194.338967][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.345438][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
2025/12/24 05:28:58 executed programs: 70
2025/12/24 05:29:04 executed programs: 73
2025/12/24 05:29:09 executed programs: 76
2025/12/24 05:29:14 executed programs: 79
2025/12/24 05:29:20 executed programs: 82
2025/12/24 05:29:26 executed programs: 85
2025/12/24 05:29:31 executed programs: 88
2025/12/24 05:29:37 executed programs: 91
2025/12/24 05:29:42 executed programs: 94
[ 249.396448][ T27] INFO: task kworker/u4:0:9 blocked for more than 143 seconds.
[ 249.404274][ T27] Not tainted syzkaller #0
[ 249.416374][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 249.426077][ T27] task:kworker/u4:0 state:D stack:21728 pid: 9 ppid: 2 flags:0x00004000
[ 249.439717][ T27] Workqueue: writeback wb_workfn (flush-7:0)
[ 249.445795][ T27] Call Trace:
[ 249.456128][ T27]
[ 249.460010][ T27] __schedule+0x11bb/0x4390
[ 249.464674][ T27] ? release_firmware_map_entry+0x190/0x190
[ 249.479783][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 249.491057][ T27] ? lock_chain_count+0x20/0x20
[ 249.495955][ T27] ? _raw_spin_lock_irq+0xab/0xe0
[ 249.506363][ T27] ? kthread_data+0x4b/0xc0
[ 249.510914][ T27] schedule+0x11b/0x1e0
[ 249.515089][ T27] rwsem_down_write_slowpath+0xc46/0x11f0
[ 249.537407][ T27] ? rwsem_write_trylock+0x1b0/0x1b0
[ 249.542762][ T27] ? __might_sleep+0xf0/0xf0
[ 249.547996][ T27] ? preempt_count_add+0x8d/0x190
[ 249.553046][ T27] ? clear_nonspinnable+0x60/0x60
[ 249.559520][ T27] ? from_kgid+0x159/0x680
[ 249.563973][ T27] f2fs_balance_fs+0x47d/0x660
[ 249.569912][ T27] ? f2fs_commit_inmem_pages+0xa00/0xa00
[ 249.575572][ T27] ? unlock_page+0x17c/0x1f0
[ 249.581560][ T27] ? f2fs_put_page+0x1e2/0x370
[ 249.586621][ T27] f2fs_write_inode+0x531/0x760
[ 249.591506][ T27] __writeback_single_inode+0x6c3/0xda0
[ 249.598474][ T27] writeback_sb_inodes+0x9fe/0x1610
[ 249.603715][ T27] ? queue_io+0x550/0x550
[ 249.608499][ T27] __writeback_inodes_wb+0x12a/0x3f0
[ 249.613914][ T27] wb_writeback+0x455/0xb90
[ 249.619950][ T27] ? rcu_lock_release+0x20/0x20
[ 249.624890][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 249.631280][ T27] ? __lock_acquire+0x7c60/0x7c60
[ 249.637672][ T27] wb_workfn+0xaaa/0xe60
[ 249.641959][ T27] ? inode_wait_for_writeback+0x200/0x200
[ 249.648104][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 249.654121][ T27] ? read_lock_is_recursive+0x10/0x10
[ 249.661011][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 249.667271][ T27] ? _raw_spin_unlock+0x40/0x40
[ 249.672153][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 249.679484][ T27] process_one_work+0x863/0x1000
[ 249.684473][ T27] ? worker_detach_from_pool+0x240/0x240
[ 249.690468][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 249.695775][ T27] ? _raw_spin_lock_irq+0xab/0xe0
[ 249.702299][ T27] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 249.707986][ T27] ? wq_worker_running+0x97/0x170
[ 249.713036][ T27] worker_thread+0xaa8/0x12a0
[ 249.719217][ T27] kthread+0x436/0x520
[ 249.723318][ T27] ? rcu_lock_release+0x20/0x20
[ 249.728537][ T27] ? kthread_blkcg+0xd0/0xd0
[ 249.733228][ T27] ret_from_fork+0x1f/0x30
[ 249.739104][ T27]
[ 249.742802][ T27]
[ 249.742802][ T27] Showing all locks held in the system:
[ 249.751178][ T27] 4 locks held by kworker/u4:0/9:
[ 249.756210][ T27] #0: ffff8881429c0138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[ 249.768416][ T27] #1: ffffc90000ce7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[ 249.780703][ T27] #2: ffff888073c900e0 (&type->s_umount_key#51){.+.+}-{3:3}, at: trylock_super+0x1c/0xf0
[ 249.792906][ T27] #3: ffff88807b99d1b0 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x47d/0x660
[ 249.802832][ T27] 1 lock held by khungtaskd/27:
[ 249.808974][ T27] #0: ffffffff8c11c720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 249.818629][ T27] 2 locks held by getty/3947:
[ 249.823312][ T27] #0: ffff88802c1ec098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 249.834518][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 249.845033][ T27] 2 locks held by syz-executor.0/4645:
[ 249.852079][ T27] 1 lock held by syz-executor.0/5244:
[ 249.858109][ T27] #0: ffff8880211ed528 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x15d/0x2b0
[ 249.868971][ T27] 3 locks held by syz-executor.0/5245:
[ 249.874467][ T27]
[ 249.877606][ T27] =============================================
[ 249.877606][ T27]
[ 249.886020][ T27] NMI backtrace for cpu 1
[ 249.890370][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 249.897576][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 249.907640][ T27] Call Trace:
[ 249.910926][ T27]
[ 249.913860][ T27] dump_stack_lvl+0x168/0x230
[ 249.918546][ T27] ? show_regs_print_info+0x20/0x20
[ 249.923751][ T27] ? load_image+0x3b0/0x3b0
[ 249.928274][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 249.933401][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 249.938442][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 249.944606][ T27] ? _printk+0xcc/0x110
[ 249.948776][ T27] ? load_image+0x3b0/0x3b0
[ 249.953299][ T27] ? load_image+0x3b0/0x3b0
[ 249.957820][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 249.963984][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 249.970109][ T27] watchdog+0xe0f/0xe50
[ 249.974292][ T27] kthread+0x436/0x520
[ 249.978367][ T27] ? hungtask_pm_notify+0x40/0x40
[ 249.983400][ T27] ? kthread_blkcg+0xd0/0xd0
[ 249.988000][ T27] ret_from_fork+0x1f/0x30
[ 249.992509][ T27]
[ 249.995801][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 250.001069][ C0] NMI backtrace for cpu 0
[ 250.001084][ C0] CPU: 0 PID: 4645 Comm: syz-executor.0 Not tainted syzkaller #0
[ 250.001100][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 250.001117][ C0] RIP: 0010:mark_lock+0xa/0x320
[ 250.001141][ C0] Code: 8d e8 2a 84 5f 00 4c 89 f7 41 89 d9 e9 79 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 <50> 89 d5 49 89 f6 48 89 fb 49 bd 00 00 00 00 00 fc ff df 83 fa 08
[ 250.001152][ C0] RSP: 0018:ffffc90002f7db68 EFLAGS: 00000002
[ 250.001165][ C0] RAX: 0000000000000001 RBX: ffff888079d76410 RCX: ffffffff815cb124
[ 250.001175][ C0] RDX: 0000000000000008 RSI: ffff888079d76480 RDI: ffff888079d75940
[ 250.001184][ C0] RBP: ffffc90002f7ddf0 R08: dffffc0000000000 R09: fffffbfff1ff543f
[ 250.001194][ C0] R10: fffffbfff1ff543f R11: 1ffffffff1ff543e R12: ffff888079d764a0
[ 250.001204][ C0] R13: ffff888079d75940 R14: ffffffff8f9a5ef8 R15: ffff888079d76480
[ 250.001214][ C0] FS: 00007fac76ae26c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[ 250.001225][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 250.001235][ C0] CR2: 00007f039e5ca000 CR3: 000000001fc11000 CR4: 00000000003506f0
[ 250.001247][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 250.001254][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 250.001262][ C0] Call Trace:
[ 250.001267][ C0]
[ 250.001274][ C0] __lock_acquire+0xd5a/0x7c60
[ 250.001294][ C0] ? __schedule+0x11c3/0x4390
[ 250.001312][ C0] ? verify_lock_unused+0x140/0x140
[ 250.001326][ C0] ? __might_sleep+0xf0/0xf0
[ 250.001342][ C0] ? release_firmware_map_entry+0x190/0x190
[ 250.001358][ C0] lock_acquire+0x197/0x3f0
[ 250.001371][ C0] ? do_garbage_collect+0x1c4c/0x60a0
[ 250.001390][ C0] ? __might_sleep+0xf0/0xf0
[ 250.001401][ C0] ? read_lock_is_recursive+0x10/0x10
[ 250.001414][ C0] ? preempt_count_add+0x8d/0x190
[ 250.001428][ C0] ? __up_read+0x27c/0x660
[ 250.001441][ C0] ? up_read+0x20/0x20
[ 250.001454][ C0] down_read+0x44/0x2e0
[ 250.001468][ C0] ? do_garbage_collect+0x1c4c/0x60a0
[ 250.001482][ C0] do_garbage_collect+0x1c4c/0x60a0
[ 250.001509][ C0] ? has_not_enough_free_secs+0x8b0/0x8b0
[ 250.001525][ C0] ? verify_lock_unused+0x140/0x140
[ 250.001538][ C0] ? mark_lock+0x94/0x320
[ 250.001558][ C0] ? f2fs_gc+0x874/0x1900
[ 250.001572][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 250.001585][ C0] ? __might_sleep+0xf0/0xf0
[ 250.001596][ C0] ? preempt_count_add+0x8d/0x190
[ 250.001608][ C0] ? rwsem_write_trylock+0x12f/0x1b0
[ 250.001623][ C0] ? preempt_count_add+0x8d/0x190
[ 250.001635][ C0] ? up_write+0x1bb/0x420
[ 250.001649][ C0] f2fs_gc+0x8a9/0x1900
[ 250.001669][ C0] ? f2fs_start_bidx_of_node+0x370/0x370
[ 250.001691][ C0] f2fs_balance_fs+0x491/0x660
[ 250.001706][ C0] ? f2fs_commit_inmem_pages+0xa00/0xa00
[ 250.001718][ C0] ? do_raw_spin_lock+0x11d/0x280
[ 250.001731][ C0] ? __rwlock_init+0x140/0x140
[ 250.001744][ C0] ? unlock_page+0x17c/0x1f0
[ 250.001761][ C0] f2fs_write_single_data_page+0xbf9/0x1720
[ 250.001784][ C0] ? f2fs_i_compr_blocks_update+0x160/0x160
[ 250.001804][ C0] f2fs_write_data_pages+0x15b3/0x26b0
[ 250.001824][ C0] ? f2fs_read_data_page+0x490/0x490
[ 250.001835][ C0] ? __lock_acquire+0x12d9/0x7c60
[ 250.001852][ C0] ? __lock_acquire+0x13ad/0x7c60
[ 250.001872][ C0] ? lru_cache_add+0x589/0x750
[ 250.001889][ C0] ? add_to_page_cache_lru+0x2a8/0x4a0
[ 250.001906][ C0] ? verify_lock_unused+0x140/0x140
[ 250.001923][ C0] ? f2fs_read_data_page+0x490/0x490
[ 250.001935][ C0] do_writepages+0x48d/0x6d0
[ 250.001952][ C0] ? filemap_fdatawrite_wbc+0x1e0/0x240
[ 250.001966][ C0] ? __writepage+0x130/0x130
[ 250.001979][ C0] ? __lock_acquire+0x7c60/0x7c60
[ 250.001992][ C0] ? __rwlock_init+0x140/0x140
[ 250.002005][ C0] ? do_raw_spin_unlock+0x11d/0x230
[ 250.002018][ C0] filemap_fdatawrite_wbc+0x1eb/0x240
[ 250.002034][ C0] file_write_and_wait_range+0x129/0x1e0
[ 250.002049][ C0] ? __filemap_set_wb_err+0x1b0/0x1b0
[ 250.002062][ C0] ? f2fs_put_page+0x202/0x380
[ 250.002081][ C0] f2fs_do_sync_file+0x5fc/0x1960
[ 250.002098][ C0] ? f2fs_sync_file+0x160/0x160
[ 250.002114][ C0] ? preempt_count_add+0x8d/0x190
[ 250.002127][ C0] ? vfs_fsync_range+0xbe/0x1a0
[ 250.002140][ C0] ? f2fs_sync_file+0xe5/0x160
[ 250.002154][ C0] f2fs_file_write_iter+0x46a/0xae0
[ 250.002172][ C0] __kernel_write+0x4f9/0x930
[ 250.002187][ C0] ? vfs_read+0xcf0/0xcf0
[ 250.002198][ C0] ? preempt_count_add+0x8d/0x190
[ 250.002210][ C0] ? __up_read+0x27c/0x660
[ 250.002223][ C0] ? up_read+0x20/0x20
[ 250.002238][ C0] ? get_dump_page+0x4cc/0x670
[ 250.002254][ C0] __dump_emit+0x243/0x360
[ 250.002267][ C0] ? asm_sysvec_reschedule_ipi+0x16/0x20
[ 250.002282][ C0] ? wait_for_dump_helpers+0x3b0/0x3b0
[ 250.002295][ C0] ? dump_emit+0x153/0x3d0
[ 250.002309][ C0] dump_user_range+0x84/0x340
[ 250.002322][ C0] elf_core_dump+0x2ff7/0x3530
[ 250.002342][ C0] ? load_elf_library+0x8b0/0x8b0
[ 250.002357][ C0] ? verify_lock_unused+0x140/0x140
[ 250.002371][ C0] ? dump_vma_snapshot+0xb00/0xe20
[ 250.002395][ C0] ? rcu_read_lock_any_held+0xb0/0x120
[ 250.002415][ C0] do_coredump+0x1419/0x2960
[ 250.002433][ C0] ? nfs_ssc_unregister+0x30/0x30
[ 250.002452][ C0] ? lock_chain_count+0x20/0x20
[ 250.002467][ C0] ? _raw_spin_unlock_irq+0x1f/0x40
[ 250.002479][ C0] ? lockdep_hardirqs_on+0x94/0x140
[ 250.002496][ C0] get_signal+0x40a/0x12c0
[ 250.002514][ C0] arch_do_signal_or_restart+0xc1/0x1300
[ 250.002534][ C0] ? force_sig_fault_to_task+0x110/0x110
[ 250.002551][ C0] ? get_sigframe_size+0x10/0x10
[ 250.002564][ C0] ? __bad_area_nosemaphore+0x3f4/0x5a0
[ 250.002580][ C0] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 250.002598][ C0] ? exit_to_user_mode_loop+0x3b/0x130
[ 250.002616][ C0] exit_to_user_mode_loop+0x9e/0x130
[ 250.002630][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 250.002645][ C0] irqentry_exit_to_user_mode+0x5/0x30
[ 250.002659][ C0] exc_page_fault+0x88/0x100
[ 250.002674][ C0] asm_exc_page_fault+0x22/0x30
[ 250.002686][ C0] RIP: 0033:0x0
[ 250.002695][ C0] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
[ 250.002701][ C0] RSP: 002b:00000000200001c8 EFLAGS: 00010217
[ 250.002712][ C0] RAX: 0000000000000000 RBX: 00007fac7bca1050 RCX: 00007fac7bb81959
[ 250.002721][ C0] RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000080004000
[ 250.002730][ C0] RBP: 00007fac7bbddc88 R08: 0000000000000000 R09: 0000000000000000
[ 250.002738][ C0] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[ 250.002745][ C0] R13: 000000000000006e R14: 00007fac7bca1050 R15: 00007ffef0540978
[ 250.002759][ C0]
[ 250.019317][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 250.019337][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 250.019355][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 250.019365][ T27] Call Trace:
[ 250.019371][ T27]
[ 250.019378][ T27] dump_stack_lvl+0x168/0x230
[ 250.019405][ T27] ? show_regs_print_info+0x20/0x20
[ 250.019421][ T27] ? load_image+0x3b0/0x3b0
[ 250.019446][ T27] panic+0x2c9/0x7f0
[ 250.019460][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 250.019482][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 250.019497][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 250.019522][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 250.019547][ T27] watchdog+0xe4e/0xe50
[ 250.019572][ T27] kthread+0x436/0x520
[ 250.019587][ T27] ? hungtask_pm_notify+0x40/0x40
[ 250.019602][ T27] ? kthread_blkcg+0xd0/0xd0
[ 250.019618][ T27] ret_from_fork+0x1f/0x30
[ 250.019647][ T27]
[ 250.020009][ T27] Kernel Offset: disabled
[ 250.760421][ T27] Rebooting in 86400 seconds..