Warning: Permanently added '10.128.0.229' (ED25519) to the list of known hosts.
2026/08/14 11:21:58 parsed 1 programs
2026/08/14 11:21:58 serving rpc on tcp://37493
[ 85.066834][ T5626] cgroup: Unknown subsys name 'net'
[ 85.162406][ T5626] cgroup: Unknown subsys name 'cpuset'
[ 85.172259][ T5626] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 86.713832][ T5626] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 89.837092][ T5639] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 90.401290][ T5645] bridge0: port 1(bridge_slave_0) entered blocking state
[ 90.402321][ T5645] bridge0: port 1(bridge_slave_0) entered disabled state
[ 90.402700][ T5645] bridge_slave_0: entered allmulticast mode
[ 90.408606][ T5645] bridge_slave_0: entered promiscuous mode
[ 90.425017][ T5645] bridge0: port 2(bridge_slave_1) entered blocking state
[ 90.425437][ T5645] bridge0: port 2(bridge_slave_1) entered disabled state
[ 90.425949][ T5645] bridge_slave_1: entered allmulticast mode
[ 90.432106][ T5645] bridge_slave_1: entered promiscuous mode
[ 90.472489][ T5645] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 90.481385][ T5645] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 90.509524][ T5645] team0: Port device team_slave_0 added
[ 90.515840][ T5645] team0: Port device team_slave_1 added
[ 90.541814][ T5645] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 90.541858][ T5645] 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 1532 would solve the problem.
[ 90.541885][ T5645] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 90.550617][ T5645] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 90.550661][ T5645] 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 1532 would solve the problem.
[ 90.550731][ T5645] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 90.652113][ T5645] hsr_slave_0: entered promiscuous mode
[ 90.656598][ T5645] hsr_slave_1: entered promiscuous mode
[ 90.807682][ T5645] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 90.818883][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 90.821609][ T5645] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 90.835376][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 90.843760][ T5645] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 90.853918][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 90.862024][ T5645] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 90.872991][ T5645] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 90.903453][ T5645] bridge0: port 2(bridge_slave_1) entered blocking state
[ 90.904322][ T5645] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 90.906071][ T5645] bridge0: port 1(bridge_slave_0) entered blocking state
[ 90.906335][ T5645] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 90.978315][ T5645] 8021q: adding VLAN 0 to HW filter on device bond0
[ 90.995407][ T1176] bridge0: port 1(bridge_slave_0) entered disabled state
[ 91.004329][ T1176] bridge0: port 2(bridge_slave_1) entered disabled state
[ 91.021411][ T5645] 8021q: adding VLAN 0 to HW filter on device team0
[ 91.033341][ T1176] bridge0: port 1(bridge_slave_0) entered blocking state
[ 91.034392][ T1176] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 91.052700][ T1176] bridge0: port 2(bridge_slave_1) entered blocking state
[ 91.052824][ T1176] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 91.406731][ T5645] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 91.450606][ T5645] veth0_vlan: entered promiscuous mode
[ 91.461673][ T5645] veth1_vlan: entered promiscuous mode
[ 91.491650][ T5645] veth0_macvtap: entered promiscuous mode
[ 91.500911][ T5645] veth1_macvtap: entered promiscuous mode
[ 91.517695][ T5645] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 91.532596][ T5645] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 91.579607][ T60] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.579669][ T60] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.579803][ T60] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.579844][ T60] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 91.715556][ T60] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 91.745883][ T4931] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 91.752837][ T4931] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 91.756302][ T4931] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 91.763704][ T4931] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 91.765504][ T4931] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 91.806613][ T60] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 91.876525][ T49] cfg80211: failed to load regulatory.db
[ 91.896019][ T60] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 92.016891][ T60] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 92.979897][ T1176] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 92.988432][ T1176] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 93.029291][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 93.030760][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 94.773553][ T60] bridge_slave_1: left allmulticast mode
[ 94.785828][ T60] bridge_slave_1: left promiscuous mode
[ 94.793699][ T60] bridge0: port 2(bridge_slave_1) entered disabled state
[ 94.832186][ T60] bridge_slave_0: left allmulticast mode
[ 94.839568][ T60] bridge_slave_0: left promiscuous mode
[ 94.845805][ T60] bridge0: port 1(bridge_slave_0) entered disabled state
[ 95.106470][ T60] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 95.120808][ T60] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 95.131853][ T60] bond0 (unregistering): Released all slaves
[ 95.272656][ T60] hsr_slave_0: left promiscuous mode
[ 95.278482][ T60] hsr_slave_1: left promiscuous mode
[ 95.283509][ T60] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 95.283592][ T60] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 95.295916][ T60] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 95.295969][ T60] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 95.348427][ T60] veth1_macvtap: left promiscuous mode
[ 95.348502][ T60] veth0_macvtap: left promiscuous mode
[ 95.348650][ T60] veth1_vlan: left promiscuous mode
[ 95.352760][ T60] veth0_vlan: left promiscuous mode
[ 95.776467][ T60] team0 (unregistering): Port device team_slave_1 removed
[ 95.797521][ T60] team0 (unregistering): Port device team_slave_0 removed
2026/08/14 11:22:13 executed programs: 0
[ 95.979600][ T5276] 8021q: adding VLAN 0 to HW filter on device eth1
[ 95.993504][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 95.998005][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 96.008089][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 96.013153][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 96.014668][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 97.089209][ T5276] 8021q: adding VLAN 0 to HW filter on device eth2
[ 97.770957][ T5766] bridge0: port 1(bridge_slave_0) entered blocking state
[ 97.778301][ T5766] bridge0: port 1(bridge_slave_0) entered disabled state
[ 97.778439][ T5766] bridge_slave_0: entered allmulticast mode
[ 97.797618][ T5766] bridge_slave_0: entered promiscuous mode
[ 97.816538][ T5766] bridge0: port 2(bridge_slave_1) entered blocking state
[ 97.824261][ T5766] bridge0: port 2(bridge_slave_1) entered disabled state
[ 97.831783][ T5766] bridge_slave_1: entered allmulticast mode
[ 97.845106][ T5766] bridge_slave_1: entered promiscuous mode
[ 97.905987][ T5276] 8021q: adding VLAN 0 to HW filter on device eth3
[ 97.916729][ T5766] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 97.929886][ T5766] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 97.992358][ T5766] team0: Port device team_slave_0 added
[ 97.999779][ T5766] team0: Port device team_slave_1 added
[ 98.071765][ T5766] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 98.071814][ T5766] 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 1532 would solve the problem.
[ 98.071841][ T5766] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 98.100320][ T5766] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 98.100370][ T5766] 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 1532 would solve the problem.
[ 98.100443][ T5766] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 98.111476][ T53] Bluetooth: hci0: command tx timeout
[ 98.222672][ T5766] hsr_slave_0: entered promiscuous mode
[ 98.231394][ T5766] hsr_slave_1: entered promiscuous mode
[ 98.784657][ T5766] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 98.798821][ T5766] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[ 98.806989][ T5766] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 98.817806][ T5766] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[ 98.827270][ T5766] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 98.838227][ T5766] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[ 98.851697][ T5766] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 98.863016][ T5766] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[ 98.974357][ T5766] 8021q: adding VLAN 0 to HW filter on device bond0
[ 98.997619][ T5766] 8021q: adding VLAN 0 to HW filter on device team0
[ 99.016761][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 99.016893][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 99.040161][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 99.040335][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 99.597699][ T5766] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 99.667738][ T5766] veth0_vlan: entered promiscuous mode
[ 99.682218][ T5766] veth1_vlan: entered promiscuous mode
[ 99.726474][ T5766] veth0_macvtap: entered promiscuous mode
[ 99.738373][ T5766] veth1_macvtap: entered promiscuous mode
[ 99.764146][ T5766] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 99.778572][ T5766] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 99.809098][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 99.809173][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 99.809235][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 99.824151][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 99.938469][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 99.938510][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 99.994895][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 99.994936][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 100.189075][ T53] Bluetooth: hci0: command tx timeout
[ 100.427297][ T5870] loop0: detected capacity change from 0 to 40427
[ 100.479315][ T5870] F2FS-fs (loop0): invalid crc value
[ 100.610142][ T5870] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 100.617970][ T5870] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 100.618058][ T5870] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 100.623796][ T5870] F2FS-fs (loop0): Start checkpoint disabled!
[ 100.645793][ T5870] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 100.647747][ T5870] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 100.680595][ T1176] kworker/u8:8: attempt to access beyond end of device
[ 100.680595][ T1176] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 100.695317][ T1176] CPU: 0 UID: 0 PID: 1176 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT(full)
[ 100.695347][ T1176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 100.695361][ T1176] Workqueue: writeback wb_workfn (flush-7:0)
[ 100.695419][ T1176] Call Trace:
[ 100.695431][ T1176]
[ 100.695440][ T1176] dump_stack_lvl+0xe8/0x150
[ 100.695474][ T1176] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 100.695505][ T1176] f2fs_write_end_bio+0x1211/0x16e0
[ 100.695540][ T1176] ? blkg_put+0x22/0x240
[ 100.695579][ T1176] __submit_merged_bio+0x258/0x6a0
[ 100.695604][ T1176] ? rcu_is_watching+0x16/0xb0
[ 100.695635][ T1176] __submit_merged_write_cond+0x3c9/0x4e0
[ 100.695670][ T1176] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 100.695719][ T1176] f2fs_write_data_pages+0x
** replaying previous printk message **
[ 100.695719][ T1176] f2fs_write_data_pages+0x2a27/0x36f0
[ 100.695785][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 100.695827][ T1176] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 100.695893][ T1176] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 100.695920][ T1176] ? __pfx_hlock_conflict+0x10/0x10
[ 100.695965][ T1176] ? __lock_acquire+0x14b9/0x2e50
[ 100.696006][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 100.696037][ T1176] do_writepages+0x338/0x560
[ 100.696066][ T1176] ? lock_acquire+0x115/0x350
[ 100.696091][ T1176] ? reacquire_held_locks+0x117/0x1a0
[ 100.696116][ T1176] ? writeback_sb_inodes+0x450/0x1b00
[ 100.696155][ T1176] __writeback_single_inode+0x136/0x1220
[ 100.696180][ T1176] ? do_raw_spin_unlock+0xf5/0x200
[ 100.696214][ T1176] writeback_sb_inodes+0x9de/0x1b00
[ 100.696255][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 100.696301][ T1176] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 100.696376][ T1176] ? rcu_is_watching+0x16/0xb0
[ 100.696402][ T1176] ? queue_io+0x2d3/0x470
[ 100.696438][ T1176] wb_writeback+0x41c/0xad0
[ 100.696474][ T1176] ? queue_io+0x201/0x470
[ 100.696513][ T1176] ? __pfx_wb_writeback+0x10/0x10
[ 100.696563][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 100.696610][ T1176] wb_workfn+0x431/0x10f0
[ 100.696659][ T1176] ? __pfx_wb_workfn+0x10/0x10
[ 100.696691][ T1176] ? irqentry_exit+0x218/0x910
[ 100.696721][ T1176] ? lockdep_hardirqs_on+0x7b/0x110
[ 100.696756][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 100.696797][ T1176] ? lock_acquire+0x115/0x350
[ 100.696828][ T1176] ? rcu_is_watching+0x16/0xb0
[ 100.696855][ T1176] ? process_scheduled_works+0x97a/0x1630
[ 100.696886][ T1176] process_scheduled_works+0xc3d/0x1630
[ 100.696948][ T1176] ? __pfx_process_scheduled_works+0x10/0x10
[ 100.696985][ T1176] ? assign_work+0x3cf/0x5d0
[ 100.697031][ T1176] worker_thread+0xa47/0xfb0
[ 100.697092][ T1176] ? __kthread_parkme+0x71/0x1f0
[ 100.697134][ T1176] kthread+0x38b/0x480
[ 100.697155][ T1176] ? __pfx_worker_thread+0x10/0x10
[ 100.697183][ T1176] ? __pfx_kthread+0x10/0x10
[ 100.697207][ T1176] ret_from_fork+0x514/0xb70
[ 100.697256][ T1176] ? __pfx_ret_from_fork+0x10/0x10
[ 100.697290][ T1176] ? __switch_to+0xc89/0x1420
[ 100.697324][ T1176] ? __pfx_kthread+0x10/0x10
[ 100.697348][ T1176] ret_from_fork_asm+0x1a/0x30
[ 100.697399][ T1176]
[ 100.707238][ T1176] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 100.779859][ T5766]
[ 101.016406][ T5766] =============================
[ 101.021430][ T5766] WARNING: suspicious RCU usage
[ 101.026344][ T5766] syzkaller #0 Not tainted
[ 101.030819][ T5766] -----------------------------
[ 101.035695][ T5766] ./include/linux/radix-tree.h:179 suspicious rcu_dereference_check() usage!
[ 101.044527][ T5766]
[ 101.044527][ T5766] other info that might help us debug this:
[ 101.044527][ T5766]
[ 101.054842][ T5766]
[ 101.054842][ T5766] rcu_scheduler_active = 2, debug_locks = 1
[ 101.063173][ T5766] locks held by syz-executor/5766: 2, last CPU#0:
[ 101.069902][ T5766] #0: ffff8880343c60e8 (&type->s_umount_key#56){+.+.}-{4:4}, at: deactivate_super+0xac/0xe0
[ 101.080482][ T5766] #1: ffff88807a3708c8 (&im->ino_lock){+.+.}-{3:3}, at: f2fs_remove_ino_entry+0x18d/0x3f0
[ 101.090654][ T5766]
[ 101.090654][ T5766] stack backtrace:
[ 101.096583][ T5766] CPU: 0 UID: 0 PID: 5766 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 101.106071][ T5766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 101.116239][ T5766] Call Trace:
[ 101.119558][ T5766]
[ 101.122520][ T5766] dump_stack_lvl+0xe8/0x150
[ 101.127160][ T5766] lockdep_rcu_suspicious+0x140/0x1d0
[ 101.132607][ T5766] f2fs_remove_ino_entry+0x3ae/0x3f0
[ 101.137983][ T5766] f2fs_evict_inode+0x83d/0x21f0
[ 101.142986][ T5766] ? add_lock_to_list+0xc7/0x100
[ 101.147981][ T5766] ? __pfx_f2fs_evict_inode+0x10/0x10
[ 101.153388][ T5766] ? do_raw_spin_lock+0x12b/0x2f0
[ 101.158461][ T5766] ? do_raw_spin_unlock+0xf5/0x200
[ 101.163613][ T5766] ? __pfx_f2fs_evict_inode+0x10/0x10
[ 101.169104][ T5766] evict+0x624/0xb50
[ 101.173042][ T5766] ? __pfx_evict+0x10/0x10
[ 101.177501][ T5766] ? do_raw_spin_unlock+0xf5/0x200
[ 101.182657][ T5766] ? _raw_spin_unlock+0x28/0x50
[ 101.187549][ T5766] ? iput+0xb84/0xf00
[ 101.191564][ T5766] f2fs_evict_inode+0x20f/0x21f0
[ 101.196526][ T5766] ? inode_wait_for_writeback+0x16d/0x3b0
[ 101.202269][ T5766] ? __pfx_f2fs_evict_inode+0x10/0x10
[ 101.207668][ T5766] ? do_raw_spin_lock+0x12b/0x2f0
[ 101.212754][ T5766] ? do_raw_spin_unlock+0xf5/0x200
[ 101.217913][ T5766] ? __pfx_f2fs_evict_inode+0x10/0x10
[ 101.223305][ T5766] evict+0x624/0xb50
[ 101.227259][ T5766] ? __pfx_evict+0x10/0x10
[ 101.231726][ T5766] ? do_raw_spin_lock+0x12b/0x2f0
[ 101.236816][ T5766] evict_inodes+0x7e3/0x870
[ 101.241352][ T5766] ? __pfx_cgroup_writeback_umount+0x10/0x10
[ 101.247368][ T5766] ? __pfx_evict_inodes+0x10/0x10
[ 101.252422][ T5766] ? sync_filesystem+0x1f9/0x240
[ 101.257397][ T5766] generic_shutdown_super+0xaa/0x2d0
[ 101.262711][ T5766] kill_block_super+0x44/0xa0
[ 101.267426][ T5766] kill_f2fs_super+0x3b3/0x700
[ 101.272235][ T5766] ? __pfx_kill_f2fs_super+0x10/0x10
[ 101.277571][ T5766] ? call_rcu+0x64d/0x8b0
[ 101.281935][ T5766] ? lockdep_hardirqs_on+0x7b/0x110
[ 101.287181][ T5766] deactivate_locked_super+0xbc/0x110
[ 101.292614][ T5766] cleanup_mnt+0x3d3/0x460
[ 101.297106][ T5766] task_work_run+0x1d9/0x270
[ 101.301753][ T5766] ? __pfx_task_work_run+0x10/0x10
[ 101.306914][ T5766] exit_to_user_mode_loop+0x204/0x770
[ 101.312354][ T5766] ? rcu_is_watching+0x16/0xb0
[ 101.317156][ T5766] do_syscall_64+0x328/0x520
[ 101.321785][ T5766] ? trace_irq_disable+0x3b/0x140
[ 101.326839][ T5766] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 101.332939][ T5766] ? clear_bhb_loop+0x70/0xc0
[ 101.337661][ T5766] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 101.343593][ T5766] RIP: 0033:0x7fd55af9f317
[ 101.348054][ T5766] Code: a2 c7 05 dc 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
[ 101.367777][ T5766] RSP: 002b:00007ffcb17e7af8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 101.376224][ T5766] RAX: 0000000000000000 RBX: 00007fd55b034474 RCX: 00007fd55af9f317
[ 101.384225][ T5766] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcb17e7bb0
[ 101.392219][ T5766] RBP: 00007ffcb17e7bb0 R08: 00007ffcb17e8bb0 R09: 00000000ffffffff
[ 101.400233][ T5766] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb17e8c40
[ 101.408227][ T5766] R13: 00007fd55b034474 R14: 0000000000018913 R15: 00007ffcb17e8c80
[ 101.416240][ T5766]
[ 102.040747][ T5898] loop0: detected capacity change from 0 to 40427
[ 102.057750][ T5898] F2FS-fs (loop0): invalid crc value
[ 102.208198][ T5898] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 102.217560][ T5898] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 102.217661][ T5898] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 102.217710][ T5898] F2FS-fs (loop0): Start checkpoint disabled!
[ 102.229128][ T5898] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 102.230137][ T5898] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 102.263422][ T1176] kworker/u8:8: attempt to access beyond end of device
[ 102.263422][ T1176] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 102.263514][ T1176] CPU: 0 UID: 0 PID: 1176 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT(full)
[ 102.263540][ T1176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 102.263554][ T1176] Workqueue: writeback wb_workfn (flush-7:0)
2026/08/14 11:22:19 executed programs: 4
[ 102.263594][ T1176] Call Trace:
[ 102.263602][ T1176]
[ 102.263612][ T1176] dump_stack_lvl+0xe8/0x150
[ 102.263646][ T1176] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 102.263704][ T1176] f2fs_write_end_bio+0x1211/0x16e0
[ 102.263818][ T1176] ? blkg_put+0x22/0x240
[ 102.263932][ T1176] __submit_merged_bio+0x258/0x6a0
[ 102.263997][ T1176] ? rcu_is_watching+0x16/0xb0
[ 102.264085][ T1176] __submit_merged_write_cond+0x3c9/0x4e0
[ 102.264186][ T1176] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 102.264304][ T1176] f2fs_write_data_pages+0x2a27/0x36f0
[ 102.264469][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 102.264623][ T1176] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 102.264791][ T1176] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 102.264920][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 102.265014][ T1176] ? __pfx_f2fs_inode_chksum_set+0x10/0x10
[ 102.265075][ T1176] ? f2fs_update_inode+0x146f/0x25c0
[ 102.265147][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 102.265244][ T1176] do_writepages+0x338/0x560
[ 102.265344][ T1176] ? reacquire_held_locks+0x117/0x1a0
[ 102.265408][ T1176] ? writeback_sb_inodes+0x450/0x1b00
[ 102.265512][ T1176] __writeback_single_inode+0x136/0x1220
[ 102.265575][ T1176] ? do_raw_spin_unlock+0xf5/0x200
[ 102.265659][ T1176] writeback_sb_inodes+0x9de/0x1b00
[ 102.265742][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 102.265835][ T1176] ? lock_acquire+0x115/0x350
[ 102.265900][ T1176] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 102.266105][ T1176] ? rcu_is_watching+0x16/0xb0
[ 102.266181][ T1176] ? queue_io+0x2d3/0x470
[ 102.266270][ T1176] wb_writeback+0x41c/0xad0
[ 102.266357][ T1176] ? queue_io+0x201/0x470
[ 102.266450][ T1176] ? __pfx_wb_writeback+0x10/0x10
[ 102.266538][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 102.266704][ T1176] wb_workfn+0x431/0x10f0
[ 102.266824][ T1176] ? __pfx_wb_workfn+0x10/0x10
[ 102.266904][ T1176] ? rcu_is_watching+0x16/0xb0
[ 102.266975][ T1176] ? trace_hrtimer_start+0x82/0x200
[ 102.267085][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 102.267207][ T1176] ? lock_acquire+0x115/0x350
[ 102.267290][ T1176] ? rcu_is_watching+0x16/0xb0
[ 102.267360][ T1176] ? process_scheduled_works+0x97a/0x1630
[ 102.267435][ T1176] process_scheduled_works+0xc3d/0x1630
[ 102.267598][ T1176] ? __pfx_process_scheduled_works+0x10/0x10
[ 102.267717][ T1176] ? assign_work+0x3cf/0x5d0
[ 102.267806][ T1176] worker_thread+0xa47/0xfb0
[ 102.267922][ T1176] ? __kthread_parkme+0x71/0x1f0
[ 102.268056][ T1176] kthread+0x38b/0x480
[ 102.268111][ T1176] ? __pfx_worker_thread+0x10/0x10
[ 102.268184][ T1176] ? __pfx_kthread+0x10/0x10
[ 102.268233][ T1176] ret_from_fork+0x514/0xb70
[ 102.268341][ T1176] ? __pfx_ret_from_fork+0x10/0x10
[ 102.268426][ T1176] ? __switch_to+0xc89/0x1420
[ 102.268510][ T1176] ? __pfx_kthread+0x10/0x10
[ 102.268572][ T1176] ret_from_fork_asm+0x1a/0x30
[ 102.268693][ T1176]
[ 102.279316][ T53] Bluetooth: hci0: command tx timeout
[ 102.283036][ T1176] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 102.941470][ T5914] loop0: detected capacity change from 0 to 40427
[ 102.949086][ T5914] F2FS-fs (loop0): invalid crc value
[ 103.024829][ T5914] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 103.036473][ T5914] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 103.044377][ T5914] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 103.046132][ T5914] F2FS-fs (loop0): Start checkpoint disabled!
[ 103.063005][ T5914] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 103.064731][ T5914] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 103.083287][ T1176] kworker/u8:8: attempt to access beyond end of device
[ 103.083287][ T1176] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 103.086780][ T1176] CPU: 1 UID: 0 PID: 1176 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT(full)
[ 103.086860][ T1176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 103.086890][ T1176] Workqueue: writeback wb_workfn (flush-7:0)
[ 103.087000][ T1176] Call Trace:
[ 103.087021][ T1176]
[ 103.087052][ T1176] dump_stack_lvl+0xe8/0x150
[ 103.087149][ T1176] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 103.087229][ T1176] f2fs_write_end_bio+0x1211/0x16e0
[ 103.087310][ T1176] ? blkg_put+0x22/0x240
[ 103.087403][ T1176] __submit_merged_bio+0x258/0x6a0
[ 103.087460][ T1176] ? rcu_is_watching+0x16/0xb0
[ 103.087541][ T1176] __submit_merged_write_cond+0x3c9/0x4e0
[ 103.087650][ T1176] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 103.087784][ T1176] f2fs_write_data_pages+0x2a27/0x36f0
[ 103.087969][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 103.088087][ T1176] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 103.088266][ T1176] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 103.088373][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 103.088486][ T1176] ? __pfx_f2fs_inode_chksum_set+0x10/0x10
[ 103.088536][ T1176] ? f2fs_update_inode+0x146f/0x25c0
[ 103.088619][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 103.088687][ T1176] do_writepages+0x338/0x560
[ 103.088777][ T1176] ? reacquire_held_locks+0x117/0x1a0
[ 103.088846][ T1176] ? writeback_sb_inodes+0x450/0x1b00
[ 103.088931][ T1176] __writeback_single_inode+0x136/0x1220
[ 103.088993][ T1176] ? do_raw_spin_unlock+0xf5/0x200
[ 103.089087][ T1176] writeback_sb_inodes+0x9de/0x1b00
[ 103.089177][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 103.089256][ T1176] ? lock_acquire+0x115/0x350
[ 103.089315][ T1176] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 103.089484][ T1176] ? rcu_is_watching+0x16/0xb0
[ 103.089535][ T1176] ? queue_io+0x2d3/0x470
[ 103.089620][ T1176] wb_writeback+0x41c/0xad0
[ 103.089702][ T1176] ? queue_io+0x201/0x470
[ 103.089788][ T1176] ? __pfx_wb_writeback+0x10/0x10
[ 103.089864][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 103.089976][ T1176] wb_workfn+0x431/0x10f0
[ 103.090095][ T1176] ? __pfx_wb_workfn+0x10/0x10
[ 103.090214][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 103.090420][ T1176] ? lock_acquire+0x115/0x350
[ 103.090522][ T1176] ? rcu_is_watching+0x16/0xb0
[ 103.090623][ T1176] ? process_scheduled_works+0x97a/0x1630
[ 103.090731][ T1176] process_scheduled_works+0xc3d/0x1630
[ 103.090902][ T1176] ? __pfx_process_scheduled_works+0x10/0x10
[ 103.090996][ T1176] ? assign_work+0x3cf/0x5d0
[ 103.091069][ T1176] worker_thread+0xa47/0xfb0
[ 103.091184][ T1176] ? __kthread_parkme+0x71/0x1f0
[ 103.091296][ T1176] kthread+0x38b/0x480
[ 103.091350][ T1176] ? __pfx_worker_thread+0x10/0x10
[ 103.091414][ T1176] ? __pfx_kthread+0x10/0x10
[ 103.091485][ T1176] ret_from_fork+0x514/0xb70
[ 103.091602][ T1176] ? __pfx_ret_from_fork+0x10/0x10
[ 103.091694][ T1176] ? __switch_to+0xc89/0x1420
[ 103.091785][ T1176] ? __pfx_kthread+0x10/0x10
[ 103.091862][ T1176] ret_from_fork_asm+0x1a/0x30
[ 103.091994][ T1176]
[ 103.107159][ T1176] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 103.701930][ T5917] loop0: detected capacity change from 0 to 40427
[ 103.712562][ T5917] F2FS-fs (loop0): invalid crc value
[ 103.789497][ T5917] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 103.797245][ T5917] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 103.797305][ T5917] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 103.797363][ T5917] F2FS-fs (loop0): Start checkpoint disabled!
[ 103.816177][ T5917] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 103.817615][ T5917] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 103.841185][ T13] kworker/u8:1: attempt to access beyond end of device
[ 103.841185][ T13] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 103.841327][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full)
[ 103.841399][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 103.841430][ T13] Workqueue: writeback wb_workfn (flush-7:0)
[ 103.841537][ T13] Call Trace:
[ 103.841557][ T13]
[ 103.841577][ T13] dump_stack_lvl+0xe8/0x150
[ 103.841678][ T13] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 103.841791][ T13] f2fs_write_end_bio+0x1211/0x16e0
[ 103.841883][ T13] ? blkg_put+0x22/0x240
[ 103.841994][ T13] __submit_merged_bio+0x258/0x6a0
[ 103.842056][ T13] ? rcu_is_watching+0x16/0xb0
[ 103.842139][ T13] __submit_merged_write_cond+0x3c9/0x4e0
[ 103.842224][ T13] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 103.842373][ T13] f2fs_write_data_pages+0x2a27/0x36f0
[ 103.842519][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 103.842630][ T13] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 103.842817][ T13] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 103.842946][ T13] ? __lock_acquire+0x6df/0x2e50
[ 103.843053][ T13] ? __pfx_f2fs_inode_chksum_set+0x10/0x10
[ 103.843136][ T13] ? f2fs_update_inode+0x146f/0x25c0
[ 103.843173][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 103.843248][ T13] do_writepages+0x338/0x560
[ 103.843327][ T13] ? reacquire_held_locks+0x117/0x1a0
[ 103.843397][ T13] ? writeback_sb_inodes+0x450/0x1b00
[ 103.843490][ T13] __writeback_single_inode+0x136/0x1220
[ 103.843547][ T13] ? do_raw_spin_unlock+0xf5/0x200
[ 103.843624][ T13] writeback_sb_inodes+0x9de/0x1b00
[ 103.843721][ T13] ? __lock_acquire+0x6df/0x2e50
[ 103.843810][ T13] ? lock_acquire+0x115/0x350
[ 103.843881][ T13] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 103.844099][ T13] ? rcu_is_watching+0x16/0xb0
[ 103.844177][ T13] ? queue_io+0x2d3/0x470
[ 103.844294][ T13] wb_writeback+0x41c/0xad0
[ 103.844401][ T13] ? queue_io+0x201/0x470
[ 103.844502][ T13] ? __pfx_wb_writeback+0x10/0x10
[ 103.844581][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 103.844697][ T13] wb_workfn+0x431/0x10f0
[ 103.844818][ T13] ? __pfx_wb_workfn+0x10/0x10
[ 103.844896][ T13] ? rcu_is_watching+0x16/0xb0
[ 103.844967][ T13] ? trace_hrtimer_start+0x82/0x200
[ 103.845056][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 103.845165][ T13] ? lock_acquire+0x115/0x350
[ 103.845233][ T13] ? rcu_is_watching+0x16/0xb0
[ 103.845296][ T13] ? process_scheduled_works+0x97a/0x1630
[ 103.845369][ T13] process_scheduled_works+0xc3d/0x1630
[ 103.845498][ T13] ? __pfx_process_scheduled_works+0x10/0x10
[ 103.845599][ T13] ? assign_work+0x3cf/0x5d0
[ 103.845689][ T13] worker_thread+0xa47/0xfb0
[ 103.845828][ T13] kthread+0x38b/0x480
[ 103.845888][ T13] ? __pfx_worker_thread+0x10/0x10
[ 103.845964][ T13] ? __pfx_kthread+0x10/0x10
[ 103.846019][ T13] ret_from_fork+0x514/0xb70
[ 103.846104][ T13] ? __pfx_ret_from_fork+0x10/0x10
[ 103.846178][ T13] ? __switch_to+0xc89/0x1420
[ 103.846253][ T13] ? __pfx_kthread+0x10/0x10
[ 103.846303][ T13] ret_from_fork_asm+0x1a/0x30
[ 103.846421][ T13]
[ 103.868889][ T13] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 104.349288][ T53] Bluetooth: hci0: command tx timeout
[ 104.493861][ T5920] loop0: detected capacity change from 0 to 40427
[ 104.503093][ T5920] F2FS-fs (loop0): invalid crc value
[ 104.580121][ T5920] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 104.587744][ T5920] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 104.587839][ T5920] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 104.587917][ T5920] F2FS-fs (loop0): Start checkpoint disabled!
[ 104.618032][ T5920] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 104.619757][ T5920] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 104.638243][ T1176] kworker/u8:8: attempt to access beyond end of device
[ 104.638243][ T1176] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 104.638407][ T1176] CPU: 1 UID: 0 PID: 1176 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT(full)
[ 104.638475][ T1176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 104.638509][ T1176] Workqueue: writeback wb_workfn (flush-7:0)
[ 104.638614][ T1176] Call Trace:
[ 104.638636][ T1176]
[ 104.638663][ T1176] dump_stack_lvl+0xe8/0x150
[ 104.638755][ T1176] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 104.638836][ T1176] f2fs_write_end_bio+0x1211/0x16e0
[ 104.638933][ T1176] ? blkg_put+0x22/0x240
[ 104.639048][ T1176] __submit_merged_bio+0x258/0x6a0
[ 104.639112][ T1176] ? rcu_is_watching+0x16/0xb0
[ 104.639201][ T1176] __submit_merged_write_cond+0x3c9/0x4e0
[ 104.639294][ T1176] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 104.639442][ T1176] f2fs_write_data_pages+0x2a27/0x36f0
[ 104.639631][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 104.639751][ T1176] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 104.639971][ T1176] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 104.640095][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 104.640219][ T1176] ? __pfx_f2fs_inode_chksum_set+0x10/0x10
[ 104.640273][ T1176] ? f2fs_update_inode+0x146f/0x25c0
[ 104.640334][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 104.640418][ T1176] do_writepages+0x338/0x560
[ 104.640530][ T1176] ? reacquire_held_locks+0x117/0x1a0
[ 104.640592][ T1176] ? writeback_sb_inodes+0x450/0x1b00
[ 104.640691][ T1176] __writeback_single_inode+0x136/0x1220
[ 104.640752][ T1176] ? do_raw_spin_unlock+0xf5/0x200
[ 104.640841][ T1176] writeback_sb_inodes+0x9de/0x1b00
[ 104.640932][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 104.641025][ T1176] ? lock_acquire+0x115/0x350
[ 104.641101][ T1176] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 104.641335][ T1176] ? rcu_is_watching+0x16/0xb0
[ 104.641400][ T1176] ? queue_io+0x2d3/0x470
[ 104.641496][ T1176] wb_writeback+0x41c/0xad0
[ 104.641585][ T1176] ? queue_io+0x201/0x470
[ 104.641702][ T1176] ? __pfx_wb_writeback+0x10/0x10
[ 104.641776][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 104.641918][ T1176] wb_workfn+0x431/0x10f0
[ 104.642049][ T1176] ? __pfx_wb_workfn+0x10/0x10
[ 104.642164][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 104.642255][ T1176] ? lock_acquire+0x115/0x350
[ 104.642341][ T1176] ? rcu_is_watching+0x16/0xb0
[ 104.642409][ T1176] ? process_scheduled_works+0x97a/0x1630
[ 104.642489][ T1176] process_scheduled_works+0xc3d/0x1630
[ 104.642681][ T1176] ? __pfx_process_scheduled_works+0x10/0x10
[ 104.642790][ T1176] ? assign_work+0x3cf/0x5d0
[ 104.642890][ T1176] worker_thread+0xa47/0xfb0
[ 104.643006][ T1176] ? __kthread_parkme+0x71/0x1f0
[ 104.643119][ T1176] kthread+0x38b/0x480
[ 104.643179][ T1176] ? __pfx_worker_thread+0x10/0x10
[ 104.643244][ T1176] ? __pfx_kthread+0x10/0x10
[ 104.643313][ T1176] ret_from_fork+0x514/0xb70
[ 104.643415][ T1176] ? __pfx_ret_from_fork+0x10/0x10
[ 104.643497][ T1176] ? __switch_to+0xc89/0x1420
[ 104.643586][ T1176] ? __pfx_kthread+0x10/0x10
[ 104.643641][ T1176] ret_from_fork_asm+0x1a/0x30
[ 104.643762][ T1176]
[ 104.654945][ T1176] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 105.283661][ T5923] loop0: detected capacity change from 0 to 40427
[ 105.294236][ T5923] F2FS-fs (loop0): invalid crc value
[ 105.370107][ T5923] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 105.377984][ T5923] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 105.378067][ T5923] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 105.378128][ T5923] F2FS-fs (loop0): Start checkpoint disabled!
[ 105.400066][ T5923] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 105.401117][ T5923] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 105.425719][ T13] kworker/u8:1: attempt to access beyond end of device
[ 105.425719][ T13] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 105.425820][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full)
[ 105.425885][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 105.425941][ T13] Workqueue: writeback wb_workfn (flush-7:0)
[ 105.426044][ T13] Call Trace:
[ 105.426066][ T13]
[ 105.426092][ T13] dump_stack_lvl+0xe8/0x150
[ 105.426170][ T13] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 105.426273][ T13] f2fs_write_end_bio+0x1211/0x16e0
[ 105.426364][ T13] ? blkg_put+0x22/0x240
[ 105.426447][ T13] __submit_merged_bio+0x258/0x6a0
[ 105.426505][ T13] ? rcu_is_watching+0x16/0xb0
[ 105.426590][ T13] __submit_merged_write_cond+0x3c9/0x4e0
[ 105.426667][ T13] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 105.426798][ T13] f2fs_write_data_pages+0x2a27/0x36f0
[ 105.426960][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 105.427069][ T13] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 105.427255][ T13] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 105.427406][ T13] ? __lock_acquire+0x6df/0x2e50
[ 105.427511][ T13] ? __pfx_f2fs_inode_chksum_set+0x10/0x10
[ 105.427584][ T13] ? f2fs_update_inode+0x146f/0x25c0
[ 105.427644][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 105.427718][ T13] do_writepages+0x338/0x560
[ 105.427804][ T13] ? reacquire_held_locks+0x117/0x1a0
[ 105.427871][ T13] ? writeback_sb_inodes+0x450/0x1b00
[ 105.427971][ T13] __writeback_single_inode+0x136/0x1220
[ 105.428032][ T13] ? do_raw_spin_unlock+0xf5/0x200
[ 105.428115][ T13] writeback_sb_inodes+0x9de/0x1b00
[ 105.428195][ T13] ? __lock_acquire+0x6df/0x2e50
[ 105.428279][ T13] ? lock_acquire+0x115/0x350
[ 105.428358][ T13] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 105.428554][ T13] ? rcu_is_watching+0x16/0xb0
[ 105.428608][ T13] ? queue_io+0x2d3/0x470
[ 105.428696][ T13] wb_writeback+0x41c/0xad0
[ 105.428798][ T13] ? queue_io+0x201/0x470
[ 105.428889][ T13] ? __pfx_wb_writeback+0x10/0x10
[ 105.428966][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 105.429064][ T13] wb_workfn+0x431/0x10f0
[ 105.429178][ T13] ? __pfx_wb_workfn+0x10/0x10
[ 105.429247][ T13] ? rcu_is_watching+0x16/0xb0
[ 105.429315][ T13] ? trace_hrtimer_start+0x82/0x200
[ 105.429403][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 105.429517][ T13] ? lock_acquire+0x115/0x350
[ 105.429597][ T13] ? rcu_is_watching+0x16/0xb0
[ 105.429661][ T13] ? process_scheduled_works+0x97a/0x1630
[ 105.429734][ T13] process_scheduled_works+0xc3d/0x1630
[ 105.429880][ T13] ? __pfx_process_scheduled_works+0x10/0x10
[ 105.429963][ T13] ? assign_work+0x3cf/0x5d0
[ 105.430055][ T13] worker_thread+0xa47/0xfb0
[ 105.430227][ T13] kthread+0x38b/0x480
[ 105.430273][ T13] ? __pfx_worker_thread+0x10/0x10
[ 105.430333][ T13] ? __pfx_kthread+0x10/0x10
[ 105.430393][ T13] ret_from_fork+0x514/0xb70
[ 105.430486][ T13] ? __pfx_ret_from_fork+0x10/0x10
[ 105.430569][ T13] ? __switch_to+0xc89/0x1420
[ 105.430645][ T13] ? __pfx_kthread+0x10/0x10
[ 105.430706][ T13] ret_from_fork_asm+0x1a/0x30
[ 105.430824][ T13]
[ 105.437499][ T13] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 106.050795][ T5926] loop0: detected capacity change from 0 to 40427
[ 106.062840][ T5926] F2FS-fs (loop0): invalid crc value
[ 106.142275][ T5926] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 106.152061][ T5926] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 106.162213][ T5926] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 106.173489][ T5926] F2FS-fs (loop0): Start checkpoint disabled!
[ 106.183849][ T5926] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 106.192145][ T5926] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 106.209346][ T13] kworker/u8:1: attempt to access beyond end of device
[ 106.209346][ T13] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 106.224094][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full)
[ 106.224120][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 106.224132][ T13] Workqueue: writeback wb_workfn (flush-7:0)
[ 106.224171][ T13] Call Trace:
[ 106.224180][ T13]
[ 106.224189][ T13] dump_stack_lvl+0xe8/0x150
[ 106.224224][ T13] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 106.224267][ T13] f2fs_write_end_bio+0x1211/0x16e0
[ 106.224301][ T13] ? blkg_put+0x22/0x240
[ 106.224341][ T13] __submit_merged_bio+0x258/0x6a0
[ 106.224367][ T13] ? rcu_is_watching+0x16/0xb0
[ 106.224399][ T13] __submit_merged_write_cond+0x3c9/0x4e0
[ 106.224435][ T13] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 106.224484][ T13] f2fs_write_data_pages+0x2a27/0x36f0
[ 106.224565][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 106.224621][ T13] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 106.224688][ T13] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 106.224731][ T13] ? __lock_acquire+0x6df/0x2e50
[ 106.224768][ T13] ? __pfx_f2fs_inode_chksum_set+0x10/0x10
[ 106.224790][ T13] ? f2fs_update_inode+0x146f/0x25c0
[ 106.224812][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 106.224842][ T13] do_writepages+0x338/0x560
[ 106.224876][ T13] ? reacquire_held_locks+0x117/0x1a0
[ 106.224901][ T13] ? writeback_sb_inodes+0x450/0x1b00
[ 106.224941][ T13] __writeback_single_inode+0x136/0x1220
[ 106.224969][ T13] ? do_raw_spin_unlock+0xf5/0x200
[ 106.225003][ T13] writeback_sb_inodes+0x9de/0x1b00
[ 106.225035][ T13] ? __lock_acquire+0x6df/0x2e50
[ 106.225069][ T13] ? lock_acquire+0x115/0x350
[ 106.225096][ T13] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 106.225171][ T13] ? rcu_is_watching+0x16/0xb0
[ 106.225197][ T13] ? queue_io+0x2d3/0x470
[ 106.225233][ T13] wb_writeback+0x41c/0xad0
[ 106.225277][ T13] ? queue_io+0x201/0x470
[ 106.225316][ T13] ? __pfx_wb_writeback+0x10/0x10
[ 106.225347][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 106.225390][ T13] wb_workfn+0x431/0x10f0
[ 106.225436][ T13] ? __pfx_wb_workfn+0x10/0x10
[ 106.225467][ T13] ? rcu_is_watching+0x16/0xb0
[ 106.225492][ T13] ? trace_hrtimer_start+0x82/0x200
[ 106.225531][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 106.225569][ T13] ? lock_acquire+0x115/0x350
[ 106.225599][ T13] ? rcu_is_watching+0x16/0xb0
[ 106.225626][ T13] ? process_scheduled_works+0x97a/0x1630
[ 106.225655][ T13] process_scheduled_works+0xc3d/0x1630
[ 106.225716][ T13] ? __pfx_process_scheduled_works+0x10/0x10
[ 106.225751][ T13] ? assign_work+0x3cf/0x5d0
[ 106.225782][ T13] worker_thread+0xa47/0xfb0
[ 106.225839][ T13] kthread+0x38b/0x480
[ 106.225860][ T13] ? __pfx_worker_thread+0x10/0x10
[ 106.225886][ T13] ? __pfx_kthread+0x10/0x10
[ 106.225907][ T13] ret_from_fork+0x514/0xb70
[ 106.225939][ T13] ? __pfx_ret_from_fork+0x10/0x10
[ 106.225967][ T13] ? __switch_to+0xc89/0x1420
[ 106.225996][ T13] ? __pfx_kthread+0x10/0x10
[ 106.226014][ T13] ret_from_fork_asm+0x1a/0x30
[ 106.226063][ T13]
[ 106.269847][ T13] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 106.275076][ T9] loop0: lost filesystem error report for type 5 error -108
[ 106.854978][ T5929] loop0: detected capacity change from 0 to 40427
[ 106.880773][ T5929] F2FS-fs (loop0): invalid crc value
[ 106.956227][ T5929] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 106.967174][ T5929] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 106.967220][ T5929] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 106.967246][ T5929] F2FS-fs (loop0): Start checkpoint disabled!
[ 106.980942][ T5929] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 106.981954][ T5929] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 107.010068][ T1176] kworker/u8:8: attempt to access beyond end of device
[ 107.010068][ T1176] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 107.010206][ T1176] CPU: 0 UID: 0 PID: 1176 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT(full)
[ 107.010282][ T1176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 107.010315][ T1176] Workqueue: writeback wb_workfn (flush-7:0)
[ 107.010426][ T1176] Call Trace:
[ 107.010452][ T1176]
[ 107.010474][ T1176] dump_stack_lvl+0xe8/0x150
[ 107.010576][ T1176] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 107.010658][ T1176] f2fs_write_end_bio+0x1211/0x16e0
[ 107.010745][ T1176] ? blkg_put+0x22/0x240
[ 107.010839][ T1176] __submit_merged_bio+0x258/0x6a0
[ 107.010896][ T1176] ? rcu_is_watching+0x16/0xb0
[ 107.011012][ T1176] __submit_merged_write_cond+0x3c9/0x4e0
[ 107.011098][ T1176] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 107.011216][ T1176] f2fs_write_data_pages+0x2a27/0x36f0
[ 107.011392][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 107.011512][ T1176] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 107.011659][ T1176] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 107.011788][ T1176] ? irqentry_exit+0x218/0x910
[ 107.011917][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 107.012027][ T1176] ? __pfx_f2fs_inode_chksum_set+0x10/0x10
[ 107.012082][ T1176] ? f2fs_update_inode+0x146f/0x25c0
[ 107.012154][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 107.012230][ T1176] do_writepages+0x338/0x560
[ 107.012330][ T1176] ? reacquire_held_locks+0x117/0x1a0
[ 107.012399][ T1176] ? writeback_sb_inodes+0x450/0x1b00
[ 107.012529][ T1176] __writeback_single_inode+0x136/0x1220
[ 107.012601][ T1176] ? do_raw_spin_unlock+0xf5/0x200
[ 107.012696][ T1176] writeback_sb_inodes+0x9de/0x1b00
[ 107.012779][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 107.012894][ T1176] ? lock_acquire+0x115/0x350
[ 107.012976][ T1176] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 107.013267][ T1176] ? rcu_is_watching+0x16/0xb0
[ 107.013323][ T1176] ? queue_io+0x2d3/0x470
[ 107.013434][ T1176] wb_writeback+0x41c/0xad0
[ 107.013526][ T1176] ? queue_io+0x201/0x470
[ 107.013626][ T1176] ? __pfx_wb_writeback+0x10/0x10
[ 107.013693][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 107.013813][ T1176] wb_workfn+0x431/0x10f0
[ 107.013939][ T1176] ? __pfx_wb_workfn+0x10/0x10
[ 107.014018][ T1176] ? rcu_is_watching+0x16/0xb0
[ 107.014085][ T1176] ? trace_hrtimer_start+0x82/0x200
[ 107.014192][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 107.014279][ T1176] ? lock_acquire+0x115/0x350
[ 107.014358][ T1176] ? rcu_is_watching+0x16/0xb0
[ 107.014434][ T1176] ? process_scheduled_works+0x97a/0x1630
[ 107.014525][ T1176] process_scheduled_works+0xc3d/0x1630
[ 107.014685][ T1176] ? __pfx_process_scheduled_works+0x10/0x10
[ 107.014767][ T1176] ? assign_work+0x3cf/0x5d0
[ 107.014864][ T1176] worker_thread+0xa47/0xfb0
[ 107.014975][ T1176] ? __kthread_parkme+0x71/0x1f0
[ 107.015085][ T1176] kthread+0x38b/0x480
[ 107.015145][ T1176] ? __pfx_worker_thread+0x10/0x10
[ 107.015221][ T1176] ? __pfx_kthread+0x10/0x10
[ 107.015280][ T1176] ret_from_fork+0x514/0xb70
[ 107.015370][ T1176] ? __pfx_ret_from_fork+0x10/0x10
[ 107.015457][ T1176] ? __switch_to+0xc89/0x1420
[ 107.015523][ T1176] ? __pfx_kthread+0x10/0x10
[ 107.015581][ T1176] ret_from_fork_asm+0x1a/0x30
[ 107.015714][ T1176]
[ 107.018560][ T1176] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 107.671005][ T5932] loop0: detected capacity change from 0 to 40427
[ 107.684675][ T5932] F2FS-fs (loop0): invalid crc value
[ 107.765595][ T5932] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 107.776776][ T5932] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 107.784816][ T5932] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 107.797341][ T5932] F2FS-fs (loop0): Start checkpoint disabled!
[ 107.808350][ T5932] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 107.818450][ T5932] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 107.838046][ T1176] kworker/u8:8: attempt to access beyond end of device
[ 107.838046][ T1176] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 107.838136][ T1176] CPU: 0 UID: 0 PID: 1176 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT(full)
2026/08/14 11:22:25 executed programs: 11
[ 107.838162][ T1176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 107.838175][ T1176] Workqueue: writeback wb_workfn (flush-7:0)
[ 107.838216][ T1176] Call Trace:
[ 107.838224][ T1176]
[ 107.838233][ T1176] dump_stack_lvl+0xe8/0x150
[ 107.838268][ T1176] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 107.838299][ T1176] f2fs_write_end_bio+0x1211/0x16e0
[ 107.838333][ T1176] ? blkg_put+0x22/0x240
[ 107.838372][ T1176] __submit_merged_bio+0x258/0x6a0
[ 107.838397][ T1176] ? rcu_is_watching+0x16/0xb0
[ 107.838428][ T1176] __submit_merged_write_cond+0x3c9/0x4e0
[ 107.838463][ T1176] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 107.838508][ T1176] f2fs_write_data_pages+0x2a27/0x36f0
[ 107.838578][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 107.838618][ T1176] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 107.838688][ T1176] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 107.838732][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 107.838769][ T1176] ? __pfx_f2fs_inode_chksum_set+0x10/0x10
[ 107.838792][ T1176] ? f2fs_update_inode+0x146f/0x25c0
[ 107.838814][ T1176] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 107.838845][ T1176] do_writepages+0x338/0x560
[ 107.838880][ T1176] ? reacquire_held_locks+0x117/0x1a0
[ 107.838906][ T1176] ? writeback_sb_inodes+0x450/0x1b00
[ 107.838946][ T1176] __writeback_single_inode+0x136/0x1220
[ 107.838970][ T1176] ? do_raw_spin_unlock+0xf5/0x200
[ 107.839004][ T1176] writeback_sb_inodes+0x9de/0x1b00
[ 107.839036][ T1176] ? __lock_acquire+0x6df/0x2e50
[ 107.839072][ T1176] ? lock_acquire+0x115/0x350
[ 107.839100][ T1176] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 107.839177][ T1176] ? rcu_is_watching+0x16/0xb0
[ 107.839202][ T1176] ? queue_io+0x2d3/0x470
[ 107.839238][ T1176] wb_writeback+0x41c/0xad0
[ 107.839273][ T1176] ? queue_io+0x201/0x470
[ 107.839312][ T1176] ? __pfx_wb_writeback+0x10/0x10
[ 107.839342][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 107.839388][ T1176] wb_workfn+0x431/0x10f0
[ 107.839435][ T1176] ? __pfx_wb_workfn+0x10/0x10
[ 107.839466][ T1176] ? rcu_is_watching+0x16/0xb0
[ 107.839490][ T1176] ? trace_hrtimer_start+0x82/0x200
[ 107.839527][ T1176] ? do_raw_spin_lock+0x12b/0x2f0
[ 107.839566][ T1176] ? lock_acquire+0x115/0x350
[ 107.839602][ T1176] ? rcu_is_watching+0x16/0xb0
[ 107.839629][ T1176] ? process_scheduled_works+0x97a/0x1630
[ 107.839658][ T1176] process_scheduled_works+0xc3d/0x1630
[ 107.839719][ T1176] ? __pfx_process_scheduled_works+0x10/0x10
[ 107.839755][ T1176] ? assign_work+0x3cf/0x5d0
[ 107.839788][ T1176] worker_thread+0xa47/0xfb0
[ 107.839830][ T1176] ? __kthread_parkme+0x71/0x1f0
[ 107.839871][ T1176] kthread+0x38b/0x480
[ 107.839893][ T1176] ? __pfx_worker_thread+0x10/0x10
[ 107.839919][ T1176] ? __pfx_kthread+0x10/0x10
[ 107.839943][ T1176] ret_from_fork+0x514/0xb70
[ 107.839980][ T1176] ? __pfx_ret_from_fork+0x10/0x10
[ 107.840014][ T1176] ? __switch_to+0xc89/0x1420
[ 107.840047][ T1176] ? __pfx_kthread+0x10/0x10
[ 107.840069][ T1176] ret_from_fork_asm+0x1a/0x30
[ 107.840120][ T1176]
[ 107.892924][ T1176] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 108.483740][ T5935] loop0: detected capacity change from 0 to 40427
[ 108.494382][ T5935] F2FS-fs (loop0): invalid crc value
[ 108.584595][ T5935] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 108.594246][ T5935] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 108.602165][ T5935] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 108.613125][ T5935] F2FS-fs (loop0): Start checkpoint disabled!
[ 108.624969][ T5935] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 108.632933][ T5935] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 108.656466][ T13] kworker/u8:1: attempt to access beyond end of device
[ 108.656466][ T13] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 108.657294][ T13] CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full)
[ 108.657362][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 108.657394][ T13] Workqueue: writeback wb_workfn (flush-7:0)
[ 108.657492][ T13] Call Trace:
[ 108.657519][ T13]
[ 108.657546][ T13] dump_stack_lvl+0xe8/0x150
[ 108.657630][ T13] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 108.657705][ T13] f2fs_write_end_bio+0x1211/0x16e0
[ 108.657782][ T13] ? blkg_put+0x22/0x240
[ 108.657870][ T13] __submit_merged_bio+0x258/0x6a0
[ 108.657929][ T13] ? rcu_is_watching+0x16/0xb0
[ 108.658012][ T13] __submit_merged_write_cond+0x3c9/0x4e0
[ 108.658105][ T13] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 108.658232][ T13] f2fs_write_data_pages+0x2a27/0x36f0
[ 108.658373][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 108.658483][ T13] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 108.658717][ T13] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 108.658832][ T13] ? __lock_acquire+0x6df/0x2e50
[ 108.658926][ T13] ? trace_pelt_se_tp+0x3b/0x150
[ 108.658993][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 108.659080][ T13] do_writepages+0x338/0x560
[ 108.659171][ T13] ? reacquire_held_locks+0x117/0x1a0
[ 108.659246][ T13] ? writeback_sb_inodes+0x450/0x1b00
[ 108.659354][ T13] __writeback_single_inode+0x136/0x1220
[ 108.659428][ T13] ? do_raw_spin_unlock+0xf5/0x200
[ 108.659554][ T13] writeback_sb_inodes+0x9de/0x1b00
[ 108.659637][ T13] ? __lock_acquire+0x6df/0x2e50
[ 108.659775][ T13] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 108.659967][ T13] ? rcu_is_watching+0x16/0xb0
[ 108.660027][ T13] ? queue_io+0x2d3/0x470
[ 108.660136][ T13] wb_writeback+0x41c/0xad0
[ 108.660225][ T13] ? queue_io+0x201/0x470
[ 108.660314][ T13] ? __pfx_wb_writeback+0x10/0x10
[ 108.660387][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 108.660507][ T13] wb_workfn+0x431/0x10f0
[ 108.660627][ T13] ? __pfx_wb_workfn+0x10/0x10
[ 108.660702][ T13] ? rcu_is_watching+0x16/0xb0
[ 108.660759][ T13] ? trace_hrtimer_start+0x82/0x200
[ 108.660871][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 108.660968][ T13] ? lock_acquire+0x115/0x350
[ 108.661045][ T13] ? rcu_is_watching+0x16/0xb0
[ 108.661110][ T13] ? process_scheduled_works+0x97a/0x1630
[ 108.661175][ T13] process_scheduled_works+0xc3d/0x1630
[ 108.661327][ T13] ? __pfx_process_scheduled_works+0x10/0x10
[ 108.661411][ T13] ? assign_work+0x3cf/0x5d0
[ 108.661498][ T13] worker_thread+0xa47/0xfb0
[ 108.661639][ T13] kthread+0x38b/0x480
[ 108.661677][ T13] ? __pfx_worker_thread+0x10/0x10
[ 108.661764][ T13] ? __pfx_kthread+0x10/0x10
[ 108.661830][ T13] ret_from_fork+0x514/0xb70
[ 108.661923][ T13] ? __pfx_ret_from_fork+0x10/0x10
[ 108.662011][ T13] ? __switch_to+0xc89/0x1420
[ 108.662090][ T13] ? __pfx_kthread+0x10/0x10
[ 108.662149][ T13] ret_from_fork_asm+0x1a/0x30
[ 108.662307][ T13]
[ 108.675493][ T13] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 109.274705][ T5938] loop0: detected capacity change from 0 to 40427
[ 109.300554][ T5938] F2FS-fs (loop0): invalid crc value
[ 109.364169][ T5938] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 109.372218][ T5938] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 109.372281][ T5938] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 109.372342][ T5938] F2FS-fs (loop0): Start checkpoint disabled!
[ 109.382310][ T5938] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 109.382891][ T5938] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 109.414643][ T13] kworker/u8:1: attempt to access beyond end of device
[ 109.414643][ T13] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 109.414824][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full)
[ 109.414884][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 109.414915][ T13] Workqueue: writeback wb_workfn (flush-7:0)
[ 109.415025][ T13] Call Trace:
[ 109.415066][ T13]
[ 109.415087][ T13] dump_stack_lvl+0xe8/0x150
[ 109.415163][ T13] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 109.415230][ T13] f2fs_write_end_bio+0x1211/0x16e0
[ 109.415307][ T13] ? blkg_put+0x22/0x240
[ 109.415387][ T13] __submit_merged_bio+0x258/0x6a0
[ 109.415424][ T13] ? rcu_is_watching+0x16/0xb0
[ 109.415453][ T13] __submit_merged_write_cond+0x3c9/0x4e0
[ 109.415484][ T13] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 109.415529][ T13] f2fs_write_data_pages+0x2a27/0x36f0
[ 109.415684][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 109.415793][ T13] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 109.415946][ T13] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 109.416058][ T13] ? __lock_acquire+0x6df/0x2e50
[ 109.416146][ T13] ? __pfx_f2fs_inode_chksum_set+0x10/0x10
[ 109.416201][ T13] ? f2fs_update_inode+0x146f/0x25c0
[ 109.416250][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 109.416316][ T13] do_writepages+0x338/0x560
[ 109.416383][ T13] ? __lock_acquire+0x6df/0x2e50
[ 109.416439][ T13] ? reacquire_held_locks+0x117/0x1a0
[ 109.416500][ T13] ? writeback_sb_inodes+0x450/0x1b00
[ 109.416592][ T13] __writeback_single_inode+0x136/0x1220
[ 109.416643][ T13] ? do_raw_spin_unlock+0xf5/0x200
[ 109.416713][ T13] writeback_sb_inodes+0x9de/0x1b00
[ 109.416780][ T13] ? __lock_acquire+0x6df/0x2e50
[ 109.416884][ T13] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 109.417086][ T13] ? rcu_is_watching+0x16/0xb0
[ 109.417144][ T13] ? queue_io+0x2d3/0x470
[ 109.417217][ T13] wb_writeback+0x41c/0xad0
[ 109.417309][ T13] ? queue_io+0x201/0x470
[ 109.417395][ T13] ? __pfx_wb_writeback+0x10/0x10
[ 109.417483][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 109.417583][ T13] wb_workfn+0x431/0x10f0
[ 109.417701][ T13] ? __pfx_wb_workfn+0x10/0x10
[ 109.417781][ T13] ? rcu_is_watching+0x16/0xb0
[ 109.417841][ T13] ? trace_hrtimer_start+0x82/0x200
[ 109.417931][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 109.418027][ T13] ? lock_acquire+0x115/0x350
[ 109.418107][ T13] ? rcu_is_watching+0x16/0xb0
[ 109.418169][ T13] ? process_scheduled_works+0x97a/0x1630
[ 109.418262][ T13] process_scheduled_works+0xc3d/0x1630
[ 109.418424][ T13] ? __pfx_process_scheduled_works+0x10/0x10
[ 109.418529][ T13] ? assign_work+0x3cf/0x5d0
[ 109.418611][ T13] worker_thread+0xa47/0xfb0
[ 109.418790][ T13] kthread+0x38b/0x480
[ 109.418856][ T13] ? __pfx_worker_thread+0x10/0x10
[ 109.418906][ T13] ? __pfx_kthread+0x10/0x10
[ 109.418958][ T13] ret_from_fork+0x514/0xb70
[ 109.419082][ T13] ? __pfx_ret_from_fork+0x10/0x10
[ 109.419170][ T13] ? __switch_to+0xc89/0x1420
[ 109.419254][ T13] ? __pfx_kthread+0x10/0x10
[ 109.419318][ T13] ret_from_fork_asm+0x1a/0x30
[ 109.419453][ T13]
[ 109.431323][ T13] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 110.034356][ T5941] loop0: detected capacity change from 0 to 40427
[ 110.044705][ T5941] F2FS-fs (loop0): invalid crc value
[ 110.123887][ T5941] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 110.138351][ T5941] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 110.146277][ T5941] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 110.157336][ T5941] F2FS-fs (loop0): Start checkpoint disabled!
[ 110.166725][ T5941] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0
[ 110.167659][ T5941] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6
[ 110.191702][ T13] kworker/u8:1: attempt to access beyond end of device
[ 110.191702][ T13] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 110.191838][ T13] CPU: 0 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted syzkaller #0 PREEMPT(full)
[ 110.191898][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 110.191996][ T13] Workqueue: writeback wb_workfn (flush-7:0)
[ 110.192108][ T13] Call Trace:
[ 110.192131][ T13]
[ 110.192159][ T13] dump_stack_lvl+0xe8/0x150
[ 110.192248][ T13] f2fs_stop_checkpoint+0x3f6/0x5d0
[ 110.192331][ T13] f2fs_write_end_bio+0x1211/0x16e0
[ 110.192410][ T13] ? blkg_put+0x22/0x240
[ 110.192518][ T13] __submit_merged_bio+0x258/0x6a0
[ 110.192588][ T13] ? rcu_is_watching+0x16/0xb0
[ 110.192672][ T13] __submit_merged_write_cond+0x3c9/0x4e0
[ 110.192785][ T13] ? __pfx___submit_merged_write_cond+0x10/0x10
[ 110.192935][ T13] f2fs_write_data_pages+0x2a27/0x36f0
[ 110.193106][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 110.193198][ T13] ? __pfx_f2fs_available_free_memory+0x10/0x10
[ 110.193386][ T13] ? __pfx_f2fs_balance_fs_bg+0x10/0x10
[ 110.193494][ T13] ? __lock_acquire+0x6df/0x2e50
[ 110.193585][ T13] ? __pfx_f2fs_inode_chksum_set+0x10/0x10
[ 110.193642][ T13] ? f2fs_update_inode+0x146f/0x25c0
[ 110.193699][ T13] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 110.193767][ T13] do_writepages+0x338/0x560
[ 110.193887][ T13] ? reacquire_held_locks+0x117/0x1a0
[ 110.193952][ T13] ? writeback_sb_inodes+0x450/0x1b00
[ 110.194039][ T13] __writeback_single_inode+0x136/0x1220
[ 110.194101][ T13] ? do_raw_spin_unlock+0xf5/0x200
[ 110.194180][ T13] writeback_sb_inodes+0x9de/0x1b00
[ 110.194255][ T13] ? __lock_acquire+0x6df/0x2e50
[ 110.194341][ T13] ? lock_acquire+0x115/0x350
[ 110.194395][ T13] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 110.194590][ T13] ? rcu_is_watching+0x16/0xb0
[ 110.194656][ T13] ? queue_io+0x2d3/0x470
[ 110.194754][ T13] wb_writeback+0x41c/0xad0
[ 110.194839][ T13] ? queue_io+0x201/0x470
[ 110.194941][ T13] ? __pfx_wb_writeback+0x10/0x10
[ 110.195016][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 110.195126][ T13] wb_workfn+0x431/0x10f0
[ 110.195240][ T13] ? __pfx_wb_workfn+0x10/0x10
[ 110.195314][ T13] ? rcu_is_watching+0x16/0xb0
[ 110.195361][ T13] ? trace_hrtimer_start+0x82/0x200
[ 110.195457][ T13] ? do_raw_spin_lock+0x12b/0x2f0
[ 110.195545][ T13] ? lock_acquire+0x115/0x350
[ 110.195621][ T13] ? rcu_is_watching+0x16/0xb0
[ 110.195686][ T13] ? process_scheduled_works+0x97a/0x1630
[ 110.195752][ T13] process_scheduled_works+0xc3d/0x1630
[ 110.195913][ T13] ? __pfx_process_scheduled_works+0x10/0x10
[ 110.196006][ T13] ? assign_work+0x3cf/0x5d0
[ 110.196105][ T13] worker_thread+0xa47/0xfb0
[ 110.196261][ T13] kthread+0x38b/0x480
[ 110.196313][ T13] ? __pfx_worker_thread+0x10/0x10
[ 110.196371][ T13] ? __pfx_kthread+0x10/0x10
[ 110.196422][ T13] ret_from_fork+0x514/0xb70
[ 110.196540][ T13] ? __pfx_ret_from_fork+0x10/0x10
[ 110.196620][ T13] ? __switch_to+0xc89/0x1420
[ 110.196697][ T13] ? __pfx_kthread+0x10/0x10
[ 110.196754][ T13] ret_from_fork_asm+0x1a/0x30
[ 110.196880][ T13]
[ 110.229951][ T13] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[ 110.838965][ T5944] loop0: detected capacity change from 0 to 40427
[ 110.856836][ T5944] F2FS-fs (loop0): invalid crc value
[ 110.933041][ T5944] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1
[ 110.945194][ T5944] F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0
[ 110.945247][ T5944] F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0
[ 110.946212][ T5944] F2FS-fs (loop0): Start checkpoint disabled!
[ 110.956653][ T5944] F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0