no interfaces have a carrier
[   51.041336][ T5280] 8021q: adding VLAN 0 to HW filter on device bond0
[   51.074998][ T5280] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting crond: OK
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.10' (ED25519) to the list of known hosts.
2026/08/15 00:24:43 parsed 1 programs
2026/08/15 00:24:43 serving rpc on tcp://34521
syzkaller login: [   82.304418][ T5629] cgroup: Unknown subsys name 'net'
[   82.410252][ T5629] cgroup: Unknown subsys name 'cpuset'
[   82.419385][ T5629] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[   84.083934][ T5629] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[   86.977405][   T30] cfg80211: failed to load regulatory.db
[   87.262090][   T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   87.262120][   T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   87.295733][   T49] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   87.297278][   T49] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   87.343208][ T5643] 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.
[   87.904970][ T5660] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   87.906244][ T5660] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   87.915369][ T5660] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   87.932343][ T5660] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   87.940582][ T5660] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   91.432182][ T5713] bridge0: port 1(bridge_slave_0) entered blocking state
[   91.432903][ T5713] bridge0: port 1(bridge_slave_0) entered disabled state
[   91.433035][ T5713] bridge_slave_0: entered allmulticast mode
[   91.434862][ T5713] bridge_slave_0: entered promiscuous mode
[   91.440398][ T5713] bridge0: port 2(bridge_slave_1) entered blocking state
[   91.440541][ T5713] bridge0: port 2(bridge_slave_1) entered disabled state
[   91.440669][ T5713] bridge_slave_1: entered allmulticast mode
[   91.442512][ T5713] bridge_slave_1: entered promiscuous mode
[   91.477625][ T5713] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   91.480772][ T5713] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   91.512641][ T5713] team0: Port device team_slave_0 added
[   91.515622][ T5713] team0: Port device team_slave_1 added
[   91.539274][ T5713] batman_adv: batadv0: Adding interface: batadv_slave_0
[   91.539301][ T5713] 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.
[   91.540796][ T5713] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   91.544067][ T5713] batman_adv: batadv0: Adding interface: batadv_slave_1
[   91.544081][ T5713] 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.
[   91.544102][ T5713] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   91.599470][ T5713] hsr_slave_0: entered promiscuous mode
[   91.600690][ T5713] hsr_slave_1: entered promiscuous mode
[   91.755781][ T5713] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   91.768705][ T5713] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[   91.769680][ T5713] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   91.781411][ T5713] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[   91.783762][ T5713] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   91.798749][ T5713] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[   91.800867][ T5713] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   91.811009][ T5713] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[   91.841625][ T5713] bridge0: port 2(bridge_slave_1) entered blocking state
[   91.841793][ T5713] bridge0: port 2(bridge_slave_1) entered forwarding state
[   91.842328][ T5713] bridge0: port 1(bridge_slave_0) entered blocking state
[   91.842444][ T5713] bridge0: port 1(bridge_slave_0) entered forwarding state
[   91.911050][ T5713] 8021q: adding VLAN 0 to HW filter on device bond0
[   91.927441][ T3349] bridge0: port 1(bridge_slave_0) entered disabled state
[   91.936218][ T3349] bridge0: port 2(bridge_slave_1) entered disabled state
[   91.952757][ T5713] 8021q: adding VLAN 0 to HW filter on device team0
[   91.962235][ T3273] bridge0: port 1(bridge_slave_0) entered blocking state
[   91.962358][ T3273] bridge0: port 1(bridge_slave_0) entered forwarding state
[   91.970960][ T3349] bridge0: port 2(bridge_slave_1) entered blocking state
[   91.971631][ T3349] bridge0: port 2(bridge_slave_1) entered forwarding state
[   92.302297][ T5713] 8021q: adding VLAN 0 to HW filter on device batadv0
[   92.345153][ T5713] veth0_vlan: entered promiscuous mode
[   92.355262][ T5713] veth1_vlan: entered promiscuous mode
[   92.384927][ T5713] veth0_macvtap: entered promiscuous mode
[   92.390317][ T5713] veth1_macvtap: entered promiscuous mode
[   92.410191][ T5713] batman_adv: batadv0: Interface activated: batadv_slave_0
[   92.414654][ T5713] batman_adv: batadv0: Interface activated: batadv_slave_1
[   92.498145][ T3349] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   92.508095][ T3349] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   92.536605][   T13] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   92.536908][   T13] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   92.620973][   T13] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   92.701374][   T13] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   92.769296][   T13] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   92.844690][   T13] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
2026/08/15 00:24:57 executed programs: 0
[   93.023126][ T5660] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   93.024742][ T5660] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   93.026418][ T5660] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   93.028195][ T5660] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   93.028908][ T5660] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[   93.482242][ T5753] bridge0: port 1(bridge_slave_0) entered blocking state
[   93.482400][ T5753] bridge0: port 1(bridge_slave_0) entered disabled state
[   93.482524][ T5753] bridge_slave_0: entered allmulticast mode
[   93.484344][ T5753] bridge_slave_0: entered promiscuous mode
[   93.487910][ T5753] bridge0: port 2(bridge_slave_1) entered blocking state
[   93.488010][ T5753] bridge0: port 2(bridge_slave_1) entered disabled state
[   93.488400][ T5753] bridge_slave_1: entered allmulticast mode
[   93.490226][ T5753] bridge_slave_1: entered promiscuous mode
[   93.533102][ T5753] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   93.538166][ T5753] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   93.567543][ T5753] team0: Port device team_slave_0 added
[   93.570426][ T5753] team0: Port device team_slave_1 added
[   93.593344][ T5753] batman_adv: batadv0: Adding interface: batadv_slave_0
[   93.593377][ T5753] 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.
[   93.593400][ T5753] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   93.597967][ T5753] batman_adv: batadv0: Adding interface: batadv_slave_1
[   93.598000][ T5753] 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.
[   93.598021][ T5753] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   93.657673][ T5753] hsr_slave_0: entered promiscuous mode
[   93.658710][ T5753] hsr_slave_1: entered promiscuous mode
[   93.659438][ T5753] debugfs: 'hsr0' already exists in 'hsr'
[   93.659515][ T5753] Cannot create hsr debugfs directory
[   95.051051][   T13] bridge_slave_1: left allmulticast mode
[   95.051115][   T13] bridge_slave_1: left promiscuous mode
[   95.052001][   T13] bridge0: port 2(bridge_slave_1) entered disabled state
[   95.057754][ T4934] Bluetooth: hci0: command tx timeout
[   95.061578][   T13] bridge_slave_0: left allmulticast mode
[   95.061611][   T13] bridge_slave_0: left promiscuous mode
[   95.062534][   T13] bridge0: port 1(bridge_slave_0) entered disabled state
[   95.206256][   T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[   95.219442][   T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[   95.229766][   T13] bond0 (unregistering): Released all slaves
[   95.332813][   T13] hsr_slave_0: left promiscuous mode
[   95.341494][   T13] hsr_slave_1: left promiscuous mode
[   95.348085][   T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[   95.355976][   T13] batman_adv: batadv0: Removing interface: batadv_slave_0
[   95.364606][   T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[   95.364893][   T13] batman_adv: batadv0: Removing interface: batadv_slave_1
[   95.388811][   T13] veth1_macvtap: left promiscuous mode
[   95.388883][   T13] veth0_macvtap: left promiscuous mode
[   95.388990][   T13] veth1_vlan: left promiscuous mode
[   95.389073][   T13] veth0_vlan: left promiscuous mode
[   95.755278][   T13] team0 (unregistering): Port device team_slave_1 removed
[   95.776446][   T13] team0 (unregistering): Port device team_slave_0 removed
[   96.150790][ T5280] 8021q: adding VLAN 0 to HW filter on device eth1
[   96.405111][ T5753] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   96.431157][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim0
[   96.434404][ T5753] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   96.445420][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim1
[   96.446392][ T5753] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   96.478764][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim2
[   96.541917][ T5753] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   96.562028][ T5753] 8021q: adding VLAN 0 to HW filter on device netdevsim3
[   96.730585][ T5753] 8021q: adding VLAN 0 to HW filter on device bond0
[   96.753421][ T5753] 8021q: adding VLAN 0 to HW filter on device team0
[   96.764052][   T13] bridge0: port 1(bridge_slave_0) entered blocking state
[   96.764204][   T13] bridge0: port 1(bridge_slave_0) entered forwarding state
[   96.777282][   T49] bridge0: port 2(bridge_slave_1) entered blocking state
[   96.777384][   T49] bridge0: port 2(bridge_slave_1) entered forwarding state
[   97.137007][ T4934] Bluetooth: hci0: command tx timeout
[   97.141771][ T5753] 8021q: adding VLAN 0 to HW filter on device batadv0
[   97.190131][ T5753] veth0_vlan: entered promiscuous mode
[   97.198983][ T5753] veth1_vlan: entered promiscuous mode
[   97.222997][ T5753] veth0_macvtap: entered promiscuous mode
[   97.228484][ T5753] veth1_macvtap: entered promiscuous mode
[   97.244471][ T5753] batman_adv: batadv0: Interface activated: batadv_slave_0
[   97.255321][ T5753] batman_adv: batadv0: Interface activated: batadv_slave_1
[   97.325451][   T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   97.327538][  T252] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   97.327579][  T252] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   97.327609][  T252] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   97.327637][  T252] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   97.343342][   T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   97.389510][   T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   97.389570][   T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   97.646656][ T5814] loop0: detected capacity change from 0 to 40427
[   97.663745][ T5814] F2FS-fs (loop0): invalid crc value
[   97.747567][ T5814] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[   97.750887][ T5814] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[   97.773201][ T5753] syz-executor: attempt to access beyond end of device
[   97.773201][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[   97.777417][ T5753] CPU: 1 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[   97.777443][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   97.777454][ T5753] Call Trace:
[   97.777462][ T5753]  <TASK>
[   97.777469][ T5753]  dump_stack_lvl+0xe8/0x150
[   97.777501][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[   97.777528][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[   97.777555][ T5753]  ? blkg_put+0x22/0x240
[   97.777589][ T5753]  __submit_merged_bio+0x258/0x6a0
[   97.777610][ T5753]  ? rcu_is_watching+0x16/0xb0
[   97.777645][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[   97.777676][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[   97.777719][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[   97.777777][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[   97.777803][ T5753]  ? is_bpf_text_address+0x26/0x2b0
[   97.777835][ T5753]  ? arch_stack_walk+0xfb/0x150
[   97.777883][ T5753]  ? add_lock_to_list+0xc7/0x100
[   97.777906][ T5753]  ? lockdep_unlock+0x5c/0xd0
[   97.777929][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[   97.777973][ T5753]  ? do_raw_spin_lock+0x12b/0x2f0
[   97.778006][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[   97.778030][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[   97.778054][ T5753]  do_writepages+0x338/0x560
[   97.778086][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[   97.778114][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[   97.778140][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[   97.778205][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[   97.778232][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[   97.778271][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[   97.778294][ T5753]  ? __lock_acquire+0x6df/0x2e50
[   97.778342][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[   97.778400][ T5753]  ? try_to_wake_up+0x8f2/0x14d0
[   97.778433][ T5753]  kill_f2fs_super+0x2dd/0x700
[   97.778466][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[   97.778501][ T5753]  ? call_rcu+0x64d/0x8b0
[   97.778521][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[   97.778554][ T5753]  deactivate_locked_super+0xbc/0x110
[   97.778576][ T5753]  cleanup_mnt+0x3d3/0x460
[   97.778601][ T5753]  task_work_run+0x1d9/0x270
[   97.778624][ T5753]  ? __pfx_task_work_run+0x10/0x10
[   97.778659][ T5753]  exit_to_user_mode_loop+0x204/0x770
[   97.778677][ T5753]  ? rcu_is_watching+0x16/0xb0
[   97.778701][ T5753]  do_syscall_64+0x328/0x520
[   97.778720][ T5753]  ? trace_irq_disable+0x3b/0x140
[   97.778736][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.778754][ T5753]  ? clear_bhb_loop+0x70/0xc0
[   97.778777][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   97.778794][ T5753] RIP: 0033:0x7f5d1279f317
[   97.778812][ T5753] 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
[   97.778826][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   97.778846][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[   97.778858][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[   97.778868][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[   97.778880][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[   97.778890][ T5753] R13: 00007f5d12834474 R14: 0000000000017da6 R15: 00007ffdd08d63c0
[   97.778919][ T5753]  </TASK>
[   97.779628][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[   98.356013][ T5819] loop0: detected capacity change from 0 to 40427
[   98.371853][ T5819] F2FS-fs (loop0): invalid crc value
[   98.458703][ T5819] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[   98.462039][ T5819] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[   98.484378][ T5753] syz-executor: attempt to access beyond end of device
[   98.484378][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
2026/08/15 00:25:02 executed programs: 4
[   98.485095][ T5753] CPU: 1 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[   98.485118][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   98.485129][ T5753] Call Trace:
[   98.485136][ T5753]  <TASK>
[   98.485144][ T5753]  dump_stack_lvl+0xe8/0x150
[   98.485176][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[   98.485204][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[   98.485236][ T5753]  ? blkg_put+0x22/0x240
[   98.485274][ T5753]  __submit_merged_bio+0x258/0x6a0
[   98.485294][ T5753]  ? rcu_is_watching+0x16/0xb0
[   98.485321][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[   98.485352][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[   98.485399][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[   98.485460][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[   98.485532][ T5753]  ? __bfs+0x153/0x290
[   98.485549][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[   98.485589][ T5753]  ? lockdep_unlock+0x5c/0xd0
[   98.485611][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[   98.485665][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[   98.485690][ T5753]  do_writepages+0x338/0x560
[   98.485724][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[   98.485752][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[   98.485778][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[   98.485849][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[   98.485877][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[   98.485918][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[   98.485940][ T5753]  ? __lock_acquire+0x6df/0x2e50
[   98.485992][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[   98.486056][ T5753]  ? try_to_wake_up+0x8f2/0x14d0
[   98.486091][ T5753]  kill_f2fs_super+0x2dd/0x700
[   98.486126][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[   98.486163][ T5753]  ? call_rcu+0x64d/0x8b0
[   98.486183][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[   98.486219][ T5753]  deactivate_locked_super+0xbc/0x110
[   98.486241][ T5753]  cleanup_mnt+0x3d3/0x460
[   98.486267][ T5753]  task_work_run+0x1d9/0x270
[   98.486291][ T5753]  ? __pfx_task_work_run+0x10/0x10
[   98.486321][ T5753]  exit_to_user_mode_loop+0x204/0x770
[   98.486339][ T5753]  ? rcu_is_watching+0x16/0xb0
[   98.486364][ T5753]  do_syscall_64+0x328/0x520
[   98.486383][ T5753]  ? trace_irq_disable+0x3b/0x140
[   98.486400][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.486418][ T5753]  ? clear_bhb_loop+0x70/0xc0
[   98.486441][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   98.486458][ T5753] RIP: 0033:0x7f5d1279f317
[   98.486476][ T5753] 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
[   98.486490][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   98.486510][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[   98.486522][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[   98.486533][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[   98.486545][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[   98.486556][ T5753] R13: 00007f5d12834474 R14: 0000000000018074 R15: 00007ffdd08d63c0
[   98.486588][ T5753]  </TASK>
[   98.494370][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[   99.053998][ T5824] loop0: detected capacity change from 0 to 40427
[   99.061365][ T5824] F2FS-fs (loop0): invalid crc value
[   99.152399][ T5824] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[   99.165542][ T5824] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[   99.181734][ T5753] syz-executor: attempt to access beyond end of device
[   99.181734][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8
** replaying previous printk message **
[   99.181734][ T5753] syz-executor: attempt to access beyond end of device
[   99.181734][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[   99.184196][ T5753] CPU: 0 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[   99.184222][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   99.184232][ T5753] Call Trace:
[   99.184240][ T5753]  <TASK>
[   99.184247][ T5753]  dump_stack_lvl+0xe8/0x150
[   99.184279][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[   99.184306][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[   99.184333][ T5753]  ? blkg_put+0x22/0x240
[   99.184367][ T5753]  __submit_merged_bio+0x258/0x6a0
[   99.184388][ T5753]  ? rcu_is_watching+0x16/0xb0
[   99.184414][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[   99.184443][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[   99.184491][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[   99.184549][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[   99.184585][ T5753]  ? lock_acquire+0x115/0x350
[   99.184631][ T5753]  ? __bfs+0x153/0x290
[   99.184646][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[   99.184691][ T5753]  ? lockdep_unlock+0x5c/0xd0
[   99.184714][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[   99.184757][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[   99.184781][ T5753]  do_writepages+0x338/0x560
[   99.184813][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[   99.184841][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[   99.184867][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[   99.184932][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[   99.184959][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[   99.184998][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[   99.185020][ T5753]  ? __lock_acquire+0x6df/0x2e50
[   99.185068][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[   99.185127][ T5753]  ? try_to_wake_up+0x8b6/0x14d0
[   99.185160][ T5753]  kill_f2fs_super+0x2dd/0x700
[   99.185192][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[   99.185228][ T5753]  ? call_rcu+0x64d/0x8b0
[   99.185247][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[   99.185280][ T5753]  deactivate_locked_super+0xbc/0x110
[   99.185301][ T5753]  cleanup_mnt+0x3d3/0x460
[   99.185326][ T5753]  task_work_run+0x1d9/0x270
[   99.185348][ T5753]  ? __pfx_task_work_run+0x10/0x10
[   99.185377][ T5753]  exit_to_user_mode_loop+0x204/0x770
[   99.185395][ T5753]  ? rcu_is_watching+0x16/0xb0
[   99.185419][ T5753]  do_syscall_64+0x328/0x520
[   99.185438][ T5753]  ? trace_irq_disable+0x3b/0x140
[   99.185454][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.185472][ T5753]  ? clear_bhb_loop+0x70/0xc0
[   99.185494][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.185511][ T5753] RIP: 0033:0x7f5d1279f317
[   99.185529][ T5753] 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
[   99.185543][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   99.185564][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[   99.185575][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[   99.185586][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[   99.185598][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[   99.185608][ T5753] R13: 00007f5d12834474 R14: 000000000001832e R15: 00007ffdd08d63c0
[   99.185638][ T5753]  </TASK>
[   99.186257][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[   99.194254][ T5753] 
[   99.263520][ T4934] Bluetooth: hci0: command tx timeout
[   99.539581][ T5753] =============================
[   99.544446][ T5753] WARNING: suspicious RCU usage
[   99.549350][ T5753] syzkaller #0 Not tainted
[   99.553787][ T5753] -----------------------------
[   99.558668][ T5753] ./include/linux/radix-tree.h:179 suspicious rcu_dereference_check() usage!
[   99.567477][ T5753] 
[   99.567477][ T5753] other info that might help us debug this:
[   99.567477][ T5753] 
[   99.577745][ T5753] 
[   99.577745][ T5753] rcu_scheduler_active = 2, debug_locks = 1
[   99.585820][ T5753] locks held by syz-executor/5753: 2, last CPU#0:
[   99.592282][ T5753]  #0: ffff888078f700e8 (&type->s_umount_key#56){+.+.}-{4:4}, at: deactivate_super+0xac/0xe0
[   99.602539][ T5753]  #1: ffff88802a4d88c8 (&im->ino_lock){+.+.}-{3:3}, at: f2fs_remove_ino_entry+0x18d/0x3f0
[   99.612642][ T5753] 
[   99.612642][ T5753] stack backtrace:
[   99.618606][ T5753] CPU: 0 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[   99.628065][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   99.638134][ T5753] Call Trace:
[   99.641411][ T5753]  <TASK>
[   99.644349][ T5753]  dump_stack_lvl+0xe8/0x150
[   99.648943][ T5753]  lockdep_rcu_suspicious+0x140/0x1d0
[   99.654312][ T5753]  f2fs_remove_ino_entry+0x3ae/0x3f0
[   99.659637][ T5753]  f2fs_evict_inode+0x83d/0x21f0
[   99.664721][ T5753]  ? __pfx_f2fs_evict_inode+0x10/0x10
[   99.670300][ T5753]  ? do_raw_spin_lock+0x12b/0x2f0
[   99.675335][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[   99.680461][ T5753]  ? __pfx_f2fs_evict_inode+0x10/0x10
[   99.685847][ T5753]  evict+0x624/0xb50
[   99.689765][ T5753]  ? __pfx_evict+0x10/0x10
[   99.694190][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[   99.699319][ T5753]  ? _raw_spin_unlock+0x28/0x50
[   99.704206][ T5753]  ? iput+0xb84/0xf00
[   99.708205][ T5753]  f2fs_evict_inode+0x20f/0x21f0
[   99.713160][ T5753]  ? inode_wait_for_writeback+0x16d/0x3b0
[   99.718888][ T5753]  ? __pfx_f2fs_evict_inode+0x10/0x10
[   99.724259][ T5753]  ? do_raw_spin_lock+0x12b/0x2f0
[   99.729391][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[   99.734609][ T5753]  ? __pfx_f2fs_evict_inode+0x10/0x10
[   99.739983][ T5753]  evict+0x624/0xb50
[   99.743895][ T5753]  ? __pfx_evict+0x10/0x10
[   99.748315][ T5753]  ? do_raw_spin_lock+0x12b/0x2f0
[   99.753445][ T5753]  evict_inodes+0x7e3/0x870
[   99.757957][ T5753]  ? __pfx_cgroup_writeback_umount+0x10/0x10
[   99.763964][ T5753]  ? __pfx_evict_inodes+0x10/0x10
[   99.768995][ T5753]  ? sync_filesystem+0x1f9/0x240
[   99.773939][ T5753]  generic_shutdown_super+0xaa/0x2d0
[   99.779235][ T5753]  kill_block_super+0x44/0xa0
[   99.783936][ T5753]  kill_f2fs_super+0x3b3/0x700
[   99.788736][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[   99.794050][ T5753]  ? call_rcu+0x64d/0x8b0
[   99.798482][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[   99.803698][ T5753]  deactivate_locked_super+0xbc/0x110
[   99.809071][ T5753]  cleanup_mnt+0x3d3/0x460
[   99.813495][ T5753]  task_work_run+0x1d9/0x270
[   99.818091][ T5753]  ? __pfx_task_work_run+0x10/0x10
[   99.823213][ T5753]  exit_to_user_mode_loop+0x204/0x770
[   99.828589][ T5753]  ? rcu_is_watching+0x16/0xb0
[   99.833366][ T5753]  do_syscall_64+0x328/0x520
[   99.837964][ T5753]  ? trace_irq_disable+0x3b/0x140
[   99.843083][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.849151][ T5753]  ? clear_bhb_loop+0x70/0xc0
[   99.853834][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   99.859725][ T5753] RIP: 0033:0x7f5d1279f317
[   99.864143][ T5753] 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
[   99.883758][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   99.892302][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[   99.900278][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[   99.908270][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[   99.916264][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[   99.924244][ T5753] R13: 00007f5d12834474 R14: 000000000001832e R15: 00007ffdd08d63c0
[   99.932241][ T5753]  </TASK>
[  100.299559][ T5830] loop0: detected capacity change from 0 to 40427
[  100.302291][ T5830] F2FS-fs (loop0): invalid crc value
[  100.406352][ T5830] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  100.410607][ T5830] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  100.433905][ T5753] syz-executor: attempt to access beyond end of device
[  100.433905][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  100.439514][ T5753] CPU: 0 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  100.439541][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  100.439552][ T5753] Call Trace:
[  100.439567][ T5753]  <TASK>
[  100.439574][ T5753]  dump_stack_lvl+0xe8/0x150
[  100.439627][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  100.439660][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  100.439688][ T5753]  ? blkg_put+0x22/0x240
[  100.439723][ T5753]  __submit_merged_bio+0x258/0x6a0
[  100.439743][ T5753]  ? rcu_is_watching+0x16/0xb0
[  100.439769][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  100.439799][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  100.439841][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  100.439864][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  100.439914][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  100.439980][ T5753]  ? __bfs+0x153/0x290
[  100.439996][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  100.440033][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  100.440061][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  100.440103][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  100.440128][ T5753]  do_writepages+0x338/0x560
[  100.440169][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  100.440196][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  100.440222][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  100.440287][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  100.440314][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  100.440353][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  100.440376][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  100.440424][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  100.440482][ T5753]  ? try_to_wake_up+0x8b6/0x14d0
[  100.440516][ T5753]  kill_f2fs_super+0x2dd/0x700
[  100.440549][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  100.440584][ T5753]  ? call_rcu+0x64d/0x8b0
[  100.440604][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  100.440637][ T5753]  deactivate_locked_super+0xbc/0x110
[  100.440658][ T5753]  cleanup_mnt+0x3d3/0x460
[  100.440684][ T5753]  task_work_run+0x1d9/0x270
[  100.440706][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  100.440735][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  100.440754][ T5753]  ? rcu_is_watching+0x16/0xb0
[  100.440778][ T5753]  do_syscall_64+0x328/0x520
[  100.440797][ T5753]  ? trace_irq_disable+0x3b/0x140
[  100.440813][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  100.440831][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  100.440853][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  100.440870][ T5753] RIP: 0033:0x7f5d1279f317
[  100.440901][ T5753] 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
[  100.440915][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  100.440935][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  100.440948][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  100.440958][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  100.440970][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  100.440980][ T5753] R13: 00007f5d12834474 R14: 000000000001880b R15: 00007ffdd08d63c0
[  100.441010][ T5753]  </TASK>
[  100.441504][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  100.974810][ T5835] loop0: detected capacity change from 0 to 40427
[  100.990310][ T5835] F2FS-fs (loop0): invalid crc value
[  101.075315][ T5835] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  101.079103][ T5835] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  101.099964][ T5753] syz-executor: attempt to access beyond end of device
[  101.099964][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  101.100553][ T5753] CPU: 0 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  101.100577][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  101.100589][ T5753] Call Trace:
[  101.100597][ T5753]  <TASK>
[  101.100605][ T5753]  dump_stack_lvl+0xe8/0x150
[  101.100637][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  101.100665][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  101.100693][ T5753]  ? blkg_put+0x22/0x240
[  101.100730][ T5753]  __submit_merged_bio+0x258/0x6a0
[  101.100750][ T5753]  ? rcu_is_watching+0x16/0xb0
[  101.100777][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  101.100808][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  101.100855][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  101.100878][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  101.100936][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  101.101008][ T5753]  ? __bfs+0x153/0x290
[  101.101024][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  101.101064][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  101.101087][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  101.101134][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  101.101158][ T5753]  do_writepages+0x338/0x560
[  101.101192][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  101.101221][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  101.101247][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  101.101318][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  101.101346][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  101.101387][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  101.101410][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  101.101482][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  101.101552][ T5753]  ? try_to_wake_up+0x8f2/0x14d0
[  101.101588][ T5753]  kill_f2fs_super+0x2dd/0x700
[  101.101622][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  101.101659][ T5753]  ? call_rcu+0x64d/0x8b0
[  101.101680][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  101.101715][ T5753]  deactivate_locked_super+0xbc/0x110
[  101.101737][ T5753]  cleanup_mnt+0x3d3/0x460
[  101.101763][ T5753]  task_work_run+0x1d9/0x270
[  101.101787][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  101.101817][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  101.101835][ T5753]  ? rcu_is_watching+0x16/0xb0
[  101.101861][ T5753]  do_syscall_64+0x328/0x520
[  101.101880][ T5753]  ? trace_irq_disable+0x3b/0x140
[  101.101897][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  101.101916][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  101.101939][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  101.101956][ T5753] RIP: 0033:0x7f5d1279f317
[  101.101975][ T5753] 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
[  101.101989][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  101.102009][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  101.102021][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  101.102032][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  101.102043][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  101.102054][ T5753] R13: 00007f5d12834474 R14: 000000000001897b R15: 00007ffdd08d63c0
[  101.102087][ T5753]  </TASK>
[  101.103370][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  101.291068][ T4934] Bluetooth: hci0: command tx timeout
[  101.653253][ T5840] loop0: detected capacity change from 0 to 40427
[  101.662479][ T5840] F2FS-fs (loop0): invalid crc value
[  101.752550][ T5840] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  101.755680][ T5840] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  101.773633][ T5753] syz-executor: attempt to access beyond end of device
[  101.773633][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  101.775639][ T5753] CPU: 1 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  101.775664][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  101.775674][ T5753] Call Trace:
[  101.775681][ T5753]  <TASK>
[  101.775689][ T5753]  dump_stack_lvl+0xe8/0x150
[  101.775721][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  101.775748][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  101.775775][ T5753]  ? blkg_put+0x22/0x240
[  101.775810][ T5753]  __submit_merged_bio+0x258/0x6a0
[  101.775830][ T5753]  ? rcu_is_watching+0x16/0xb0
[  101.775856][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  101.775886][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  101.775929][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  101.776011][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  101.776062][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  101.776132][ T5753]  ? __bfs+0x153/0x290
[  101.776147][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  101.776185][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  101.776208][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  101.776251][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  101.776275][ T5753]  do_writepages+0x338/0x560
[  101.776307][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  101.776334][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  101.776360][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  101.776425][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  101.776452][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  101.776491][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  101.776514][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  101.776561][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  101.776619][ T5753]  ? try_to_wake_up+0x8f2/0x14d0
[  101.776653][ T5753]  kill_f2fs_super+0x2dd/0x700
[  101.776686][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  101.776721][ T5753]  ? call_rcu+0x64d/0x8b0
[  101.776741][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  101.776774][ T5753]  deactivate_locked_super+0xbc/0x110
[  101.776796][ T5753]  cleanup_mnt+0x3d3/0x460
[  101.776821][ T5753]  task_work_run+0x1d9/0x270
[  101.776844][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  101.776872][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  101.776891][ T5753]  ? rcu_is_watching+0x16/0xb0
[  101.776916][ T5753]  do_syscall_64+0x328/0x520
[  101.776942][ T5753]  ? trace_irq_disable+0x3b/0x140
[  101.776958][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  101.776976][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  101.776998][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  101.777016][ T5753] RIP: 0033:0x7f5d1279f317
[  101.777033][ T5753] 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
[  101.777047][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  101.777068][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  101.777080][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  101.777090][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  101.777102][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  101.777113][ T5753] R13: 00007f5d12834474 R14: 0000000000018b78 R15: 00007ffdd08d63c0
[  101.777143][ T5753]  </TASK>
[  101.785385][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  102.313735][ T5845] loop0: detected capacity change from 0 to 40427
[  102.325590][ T5845] F2FS-fs (loop0): invalid crc value
[  102.401080][ T5845] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  102.404230][ T5845] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  102.419586][ T5753] syz-executor: attempt to access beyond end of device
[  102.419586][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  102.421120][ T5753] CPU: 1 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  102.421145][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  102.421156][ T5753] Call Trace:
[  102.421164][ T5753]  <TASK>
[  102.421172][ T5753]  dump_stack_lvl+0xe8/0x150
[  102.421203][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  102.421232][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  102.421259][ T5753]  ? blkg_put+0x22/0x240
[  102.421296][ T5753]  __submit_merged_bio+0x258/0x6a0
[  102.421317][ T5753]  ? rcu_is_watching+0x16/0xb0
[  102.421344][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  102.421375][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  102.421441][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  102.421503][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  102.421542][ T5753]  ? kvm_sched_clock_read+0x11/0x20
[  102.421601][ T5753]  ? __bfs+0x153/0x290
[  102.421617][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  102.421657][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  102.421681][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  102.421727][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  102.421752][ T5753]  do_writepages+0x338/0x560
[  102.421787][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  102.421815][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  102.421842][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  102.421912][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  102.421944][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  102.421985][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  102.422009][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  102.422060][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  102.422123][ T5753]  ? try_to_wake_up+0x8f2/0x14d0
[  102.422159][ T5753]  kill_f2fs_super+0x2dd/0x700
[  102.422192][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  102.422229][ T5753]  ? call_rcu+0x64d/0x8b0
[  102.422249][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  102.422284][ T5753]  deactivate_locked_super+0xbc/0x110
[  102.422306][ T5753]  cleanup_mnt+0x3d3/0x460
[  102.422332][ T5753]  task_work_run+0x1d9/0x270
[  102.422356][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  102.422386][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  102.422404][ T5753]  ? rcu_is_watching+0x16/0xb0
[  102.422429][ T5753]  do_syscall_64+0x328/0x520
[  102.422449][ T5753]  ? trace_irq_disable+0x3b/0x140
[  102.422465][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  102.422484][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  102.422507][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  102.422525][ T5753] RIP: 0033:0x7f5d1279f317
[  102.422543][ T5753] 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
[  102.422557][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  102.422585][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  102.422597][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  102.422607][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  102.422620][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  102.422631][ T5753] R13: 00007f5d12834474 R14: 0000000000018eb8 R15: 00007ffdd08d63c0
[  102.422663][ T5753]  </TASK>
[  102.424011][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  102.954442][ T5850] loop0: detected capacity change from 0 to 40427
[  102.960586][ T5850] F2FS-fs (loop0): invalid crc value
[  103.060064][ T5850] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  103.063994][ T5850] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  103.081448][ T5753] syz-executor: attempt to access beyond end of device
[  103.081448][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  103.083436][ T5753] CPU: 0 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  103.083464][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  103.083477][ T5753] Call Trace:
[  103.083487][ T5753]  <TASK>
[  103.083495][ T5753]  dump_stack_lvl+0xe8/0x150
[  103.083528][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  103.083557][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  103.083584][ T5753]  ? blkg_put+0x22/0x240
[  103.083622][ T5753]  __submit_merged_bio+0x258/0x6a0
[  103.083643][ T5753]  ? rcu_is_watching+0x16/0xb0
[  103.083670][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  103.083701][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  103.083747][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  103.083770][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  103.083825][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  103.083901][ T5753]  ? __bfs+0x153/0x290
[  103.083917][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  103.083955][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  103.083978][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  103.084024][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  103.084048][ T5753]  do_writepages+0x338/0x560
[  103.084082][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  103.084111][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  103.084138][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  103.084209][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  103.084237][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  103.084278][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  103.084301][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  103.084353][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  103.084490][ T5753]  ? try_to_wake_up+0x8f2/0x14d0
[  103.084526][ T5753]  kill_f2fs_super+0x2dd/0x700
[  103.084561][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  103.084597][ T5753]  ? call_rcu+0x64d/0x8b0
[  103.084618][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  103.084654][ T5753]  deactivate_locked_super+0xbc/0x110
[  103.084676][ T5753]  cleanup_mnt+0x3d3/0x460
[  103.084702][ T5753]  task_work_run+0x1d9/0x270
[  103.084726][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  103.084756][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  103.084775][ T5753]  ? rcu_is_watching+0x16/0xb0
[  103.084802][ T5753]  do_syscall_64+0x328/0x520
[  103.084821][ T5753]  ? trace_irq_disable+0x3b/0x140
[  103.084838][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  103.084856][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  103.084879][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  103.084897][ T5753] RIP: 0033:0x7f5d1279f317
[  103.084916][ T5753] 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
[  103.084930][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  103.084951][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  103.084963][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  103.084973][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  103.084985][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  103.084996][ T5753] R13: 00007f5d12834474 R14: 000000000001913e R15: 00007ffdd08d63c0
[  103.085028][ T5753]  </TASK>
[  103.091133][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  103.635625][ T5855] loop0: detected capacity change from 0 to 40427
[  103.648367][ T5855] F2FS-fs (loop0): invalid crc value
2026/08/15 00:25:07 executed programs: 11
[  103.735344][ T5855] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  103.738322][ T5855] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  103.759663][ T5753] syz-executor: attempt to access beyond end of device
[  103.759663][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  103.778247][ T5753] CPU: 0 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  103.778280][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  103.778293][ T5753] Call Trace:
[  103.778302][ T5753]  <TASK>
[  103.778311][ T5753]  dump_stack_lvl+0xe8/0x150
[  103.778345][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  103.778379][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  103.778421][ T5753]  ? blkg_put+0x22/0x240
[  103.778464][ T5753]  __submit_merged_bio+0x258/0x6a0
[  103.778488][ T5753]  ? rcu_is_watching+0x16/0xb0
[  103.778519][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  103.778555][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  103.778608][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  103.778640][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  103.778703][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  103.778787][ T5753]  ? __bfs+0x153/0x290
[  103.778805][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  103.778851][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  103.778877][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  103.778928][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  103.778953][ T5753]  do_writepages+0x338/0x560
[  103.778989][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  103.779020][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  103.779049][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  103.779128][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  103.779160][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  103.779206][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  103.779232][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  103.779290][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  103.779361][ T5753]  ? try_to_wake_up+0x8b6/0x14d0
[  103.779414][ T5753]  kill_f2fs_super+0x2dd/0x700
[  103.779454][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  103.779495][ T5753]  ? call_rcu+0x64d/0x8b0
[  103.779517][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  103.779558][ T5753]  deactivate_locked_super+0xbc/0x110
[  103.779583][ T5753]  cleanup_mnt+0x3d3/0x460
[  103.779612][ T5753]  task_work_run+0x1d9/0x270
[  103.779639][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  103.779672][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  103.779693][ T5753]  ? rcu_is_watching+0x16/0xb0
[  103.779721][ T5753]  do_syscall_64+0x328/0x520
[  103.779743][ T5753]  ? trace_irq_disable+0x3b/0x140
[  103.779762][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  103.779782][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  103.779808][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  103.779829][ T5753] RIP: 0033:0x7f5d1279f317
[  103.779850][ T5753] 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
[  103.779865][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  103.779887][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  103.779900][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  103.779912][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  103.779925][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  103.779937][ T5753] R13: 00007f5d12834474 R14: 0000000000019509 R15: 00007ffdd08d63c0
[  103.779972][ T5753]  </TASK>
[  103.803273][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  104.294650][ T5860] loop0: detected capacity change from 0 to 40427
[  104.299629][ T5860] F2FS-fs (loop0): invalid crc value
[  104.383542][ T5860] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  104.390491][ T5860] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  104.410606][ T5753] syz-executor: attempt to access beyond end of device
[  104.410606][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  104.426369][ T5753] CPU: 1 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  104.426406][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  104.426418][ T5753] Call Trace:
[  104.426428][ T5753]  <TASK>
[  104.426436][ T5753]  dump_stack_lvl+0xe8/0x150
[  104.426472][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  104.426513][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  104.426544][ T5753]  ? blkg_put+0x22/0x240
[  104.426586][ T5753]  __submit_merged_bio+0x258/0x6a0
[  104.426610][ T5753]  ? rcu_is_watching+0x16/0xb0
[  104.426641][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  104.426677][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  104.426730][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  104.426757][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  104.426819][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  104.426902][ T5753]  ? __bfs+0x153/0x290
[  104.426920][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  104.426966][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  104.426992][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  104.427044][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  104.427074][ T5753]  do_writepages+0x338/0x560
[  104.427113][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  104.427146][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  104.427178][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  104.427261][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  104.427293][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  104.427340][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  104.427367][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  104.427427][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  104.427509][ T5753]  ? try_to_wake_up+0x8b6/0x14d0
[  104.427552][ T5753]  kill_f2fs_super+0x2dd/0x700
[  104.427592][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  104.427636][ T5753]  ? call_rcu+0x64d/0x8b0
[  104.427659][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  104.427700][ T5753]  deactivate_locked_super+0xbc/0x110
[  104.427725][ T5753]  cleanup_mnt+0x3d3/0x460
[  104.427756][ T5753]  task_work_run+0x1d9/0x270
[  104.427781][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  104.427813][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  104.427835][ T5753]  ? rcu_is_watching+0x16/0xb0
[  104.427864][ T5753]  do_syscall_64+0x328/0x520
[  104.427886][ T5753]  ? trace_irq_disable+0x3b/0x140
[  104.427905][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  104.427926][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  104.427953][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  104.427973][ T5753] RIP: 0033:0x7f5d1279f317
[  104.427993][ T5753] 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
[  104.428009][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  104.428031][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  104.428045][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  104.428057][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  104.428070][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  104.428082][ T5753] R13: 00007f5d12834474 R14: 0000000000019798 R15: 00007ffdd08d63c0
[  104.428118][ T5753]  </TASK>
[  104.453099][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  104.959863][ T5865] loop0: detected capacity change from 0 to 40427
[  104.974460][ T5865] F2FS-fs (loop0): invalid crc value
[  105.062188][ T5865] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  105.065408][ T5865] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  105.081921][ T5753] syz-executor: attempt to access beyond end of device
[  105.081921][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  105.084013][ T5753] CPU: 0 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  105.084039][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  105.084049][ T5753] Call Trace:
[  105.084057][ T5753]  <TASK>
[  105.084064][ T5753]  dump_stack_lvl+0xe8/0x150
[  105.084096][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  105.084124][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  105.084151][ T5753]  ? blkg_put+0x22/0x240
[  105.084187][ T5753]  __submit_merged_bio+0x258/0x6a0
[  105.084207][ T5753]  ? rcu_is_watching+0x16/0xb0
[  105.084232][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  105.084262][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  105.084305][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  105.084328][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  105.084378][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  105.084449][ T5753]  ? __bfs+0x153/0x290
[  105.084465][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  105.084502][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  105.084525][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  105.084569][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  105.084593][ T5753]  do_writepages+0x338/0x560
[  105.084625][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  105.084652][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  105.084678][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  105.084743][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  105.084770][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  105.084809][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  105.084832][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  105.084888][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  105.084947][ T5753]  ? try_to_wake_up+0x8f2/0x14d0
[  105.084981][ T5753]  kill_f2fs_super+0x2dd/0x700
[  105.085013][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  105.085048][ T5753]  ? call_rcu+0x64d/0x8b0
[  105.085068][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  105.085101][ T5753]  deactivate_locked_super+0xbc/0x110
[  105.085122][ T5753]  cleanup_mnt+0x3d3/0x460
[  105.085148][ T5753]  task_work_run+0x1d9/0x270
[  105.085171][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  105.085199][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  105.085217][ T5753]  ? rcu_is_watching+0x16/0xb0
[  105.085242][ T5753]  do_syscall_64+0x328/0x520
[  105.085261][ T5753]  ? trace_irq_disable+0x3b/0x140
[  105.085278][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  105.085296][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  105.085318][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  105.085336][ T5753] RIP: 0033:0x7f5d1279f317
[  105.085353][ T5753] 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
[  105.085367][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  105.085387][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  105.085399][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  105.085410][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  105.085421][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  105.085432][ T5753] R13: 00007f5d12834474 R14: 0000000000019a37 R15: 00007ffdd08d63c0
[  105.085462][ T5753]  </TASK>
[  105.086101][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  105.629223][ T5870] loop0: detected capacity change from 0 to 40427
[  105.640188][ T5870] F2FS-fs (loop0): invalid crc value
[  105.728519][ T5870] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  105.741002][ T5870] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  105.754692][ T5753] syz-executor: attempt to access beyond end of device
[  105.754692][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  105.755513][ T5753] CPU: 1 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  105.755537][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  105.755547][ T5753] Call Trace:
[  105.755555][ T5753]  <TASK>
[  105.755562][ T5753]  dump_stack_lvl+0xe8/0x150
[  105.755594][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  105.755627][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  105.755655][ T5753]  ? blkg_put+0x22/0x240
[  105.755692][ T5753]  __submit_merged_bio+0x258/0x6a0
[  105.755713][ T5753]  ? rcu_is_watching+0x16/0xb0
[  105.755739][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  105.755770][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  105.755817][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  105.755879][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  105.755916][ T5753]  ? irqentry_exit+0x218/0x910
[  105.755970][ T5753]  ? __bfs+0x153/0x290
[  105.755987][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  105.756027][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  105.756050][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  105.756096][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  105.756121][ T5753]  do_writepages+0x338/0x560
[  105.756155][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  105.756183][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  105.756210][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  105.756280][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  105.756309][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  105.756350][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  105.756380][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  105.756443][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  105.756506][ T5753]  ? try_to_wake_up+0x8b6/0x14d0
[  105.756542][ T5753]  kill_f2fs_super+0x2dd/0x700
[  105.756576][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  105.756613][ T5753]  ? call_rcu+0x64d/0x8b0
[  105.756633][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  105.756667][ T5753]  deactivate_locked_super+0xbc/0x110
[  105.756689][ T5753]  cleanup_mnt+0x3d3/0x460
[  105.756715][ T5753]  task_work_run+0x1d9/0x270
[  105.756738][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  105.756768][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  105.756787][ T5753]  ? rcu_is_watching+0x16/0xb0
[  105.756812][ T5753]  do_syscall_64+0x328/0x520
[  105.756831][ T5753]  ? trace_irq_disable+0x3b/0x140
[  105.756847][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  105.756866][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  105.756888][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  105.756905][ T5753] RIP: 0033:0x7f5d1279f317
[  105.756923][ T5753] 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
[  105.756937][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  105.756957][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  105.756969][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  105.756980][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  105.756992][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  105.757002][ T5753] R13: 00007f5d12834474 R14: 0000000000019cdd R15: 00007ffdd08d63c0
[  105.757034][ T5753]  </TASK>
[  105.777751][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  106.293779][ T5875] loop0: detected capacity change from 0 to 40427
[  106.304896][ T5875] F2FS-fs (loop0): invalid crc value
[  106.399257][ T5875] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  106.401854][ T5875] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  106.419855][ T5753] syz-executor: attempt to access beyond end of device
[  106.419855][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  106.421101][ T5753] CPU: 0 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  106.421125][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  106.421135][ T5753] Call Trace:
[  106.421143][ T5753]  <TASK>
[  106.421151][ T5753]  dump_stack_lvl+0xe8/0x150
[  106.421181][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  106.421208][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  106.421235][ T5753]  ? blkg_put+0x22/0x240
[  106.421270][ T5753]  __submit_merged_bio+0x258/0x6a0
[  106.421290][ T5753]  ? rcu_is_watching+0x16/0xb0
[  106.421316][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  106.421345][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  106.421411][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  106.421434][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  106.421484][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  106.421550][ T5753]  ? __bfs+0x153/0x290
[  106.421566][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  106.421604][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  106.421626][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  106.421669][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  106.421693][ T5753]  do_writepages+0x338/0x560
[  106.421725][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  106.421753][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  106.421779][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  106.421844][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  106.421871][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  106.421909][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  106.421932][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  106.421983][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  106.422049][ T5753]  ? try_to_wake_up+0x8b6/0x14d0
[  106.422082][ T5753]  kill_f2fs_super+0x2dd/0x700
[  106.422115][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  106.422150][ T5753]  ? call_rcu+0x64d/0x8b0
[  106.422170][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  106.422203][ T5753]  deactivate_locked_super+0xbc/0x110
[  106.422225][ T5753]  cleanup_mnt+0x3d3/0x460
[  106.422250][ T5753]  task_work_run+0x1d9/0x270
[  106.422272][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  106.422301][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  106.422319][ T5753]  ? rcu_is_watching+0x16/0xb0
[  106.422343][ T5753]  do_syscall_64+0x328/0x520
[  106.422362][ T5753]  ? trace_irq_disable+0x3b/0x140
[  106.422378][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  106.422396][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  106.422418][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  106.422435][ T5753] RIP: 0033:0x7f5d1279f317
[  106.422454][ T5753] 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
[  106.422467][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  106.422487][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  106.422499][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  106.422509][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  106.422521][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  106.422532][ T5753] R13: 00007f5d12834474 R14: 0000000000019f70 R15: 00007ffdd08d63c0
[  106.422561][ T5753]  </TASK>
[  106.423642][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  106.939653][ T5880] loop0: detected capacity change from 0 to 40427
[  106.949832][ T5880] F2FS-fs (loop0): invalid crc value
[  107.028127][ T5880] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  107.030866][ T5880] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  107.045571][ T5753] syz-executor: attempt to access beyond end of device
[  107.045571][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  107.057564][ T5753] CPU: 0 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  107.057591][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  107.057601][ T5753] Call Trace:
[  107.057609][ T5753]  <TASK>
[  107.057617][ T5753]  dump_stack_lvl+0xe8/0x150
[  107.057648][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  107.057675][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  107.057702][ T5753]  ? blkg_put+0x22/0x240
[  107.057737][ T5753]  __submit_merged_bio+0x258/0x6a0
[  107.057757][ T5753]  ? rcu_is_watching+0x16/0xb0
[  107.057783][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  107.057812][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  107.057856][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  107.057913][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  107.057979][ T5753]  ? __bfs+0x153/0x290
[  107.058006][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  107.058044][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  107.058066][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  107.058108][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  107.058132][ T5753]  do_writepages+0x338/0x560
[  107.058166][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  107.058193][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  107.058219][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  107.058284][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  107.058311][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  107.058351][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  107.058374][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  107.058421][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  107.058479][ T5753]  ? try_to_wake_up+0x8f2/0x14d0
[  107.058513][ T5753]  kill_f2fs_super+0x2dd/0x700
[  107.058546][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  107.058581][ T5753]  ? call_rcu+0x64d/0x8b0
[  107.058601][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  107.058634][ T5753]  deactivate_locked_super+0xbc/0x110
[  107.058656][ T5753]  cleanup_mnt+0x3d3/0x460
[  107.058681][ T5753]  task_work_run+0x1d9/0x270
[  107.058703][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  107.058732][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  107.058750][ T5753]  ? rcu_is_watching+0x16/0xb0
[  107.058774][ T5753]  do_syscall_64+0x328/0x520
[  107.058793][ T5753]  ? trace_irq_disable+0x3b/0x140
[  107.058810][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  107.058828][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  107.058850][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  107.058867][ T5753] RIP: 0033:0x7f5d1279f317
[  107.058885][ T5753] 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
[  107.058899][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  107.058919][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  107.058931][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  107.058942][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  107.058954][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  107.058965][ T5753] R13: 00007f5d12834474 R14: 000000000001a1e4 R15: 00007ffdd08d63c0
[  107.059001][ T5753]  </TASK>
[  107.059037][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  107.568567][ T5885] loop0: detected capacity change from 0 to 40427
[  107.578382][ T5885] F2FS-fs (loop0): invalid crc value
[  107.654642][ T5885] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  107.657819][ T5885] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  107.676231][ T5753] syz-executor: attempt to access beyond end of device
[  107.676231][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  107.681300][ T5753] CPU: 1 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  107.681327][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  107.681356][ T5753] Call Trace:
[  107.681364][ T5753]  <TASK>
[  107.681372][ T5753]  dump_stack_lvl+0xe8/0x150
[  107.681403][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  107.681430][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  107.681457][ T5753]  ? blkg_put+0x22/0x240
[  107.681493][ T5753]  __submit_merged_bio+0x258/0x6a0
[  107.681513][ T5753]  ? rcu_is_watching+0x16/0xb0
[  107.681539][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  107.681569][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  107.681612][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  107.681635][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  107.681685][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  107.681750][ T5753]  ? __bfs+0x153/0x290
[  107.681766][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  107.681804][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  107.681826][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  107.681869][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  107.681893][ T5753]  do_writepages+0x338/0x560
[  107.681926][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  107.681953][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  107.681979][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  107.682054][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  107.682081][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  107.682119][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  107.682142][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  107.682189][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  107.682248][ T5753]  ? try_to_wake_up+0x8b6/0x14d0
[  107.682281][ T5753]  kill_f2fs_super+0x2dd/0x700
[  107.682314][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  107.682349][ T5753]  ? call_rcu+0x64d/0x8b0
[  107.682369][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  107.682407][ T5753]  deactivate_locked_super+0xbc/0x110
[  107.682429][ T5753]  cleanup_mnt+0x3d3/0x460
[  107.682454][ T5753]  task_work_run+0x1d9/0x270
[  107.682476][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  107.682505][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  107.682524][ T5753]  ? rcu_is_watching+0x16/0xb0
[  107.682548][ T5753]  do_syscall_64+0x328/0x520
[  107.682567][ T5753]  ? trace_irq_disable+0x3b/0x140
[  107.682583][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  107.682601][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  107.682623][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  107.682641][ T5753] RIP: 0033:0x7f5d1279f317
[  107.682659][ T5753] 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
[  107.682672][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  107.682692][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  107.682704][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  107.682714][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  107.682726][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  107.682737][ T5753] R13: 00007f5d12834474 R14: 000000000001a341 R15: 00007ffdd08d63c0
[  107.682766][ T5753]  </TASK>
[  107.683479][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  108.226223][ T5890] loop0: detected capacity change from 0 to 40427
[  108.234923][ T5890] F2FS-fs (loop0): invalid crc value
[  108.307494][ T5890] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  108.310506][ T5890] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  108.326803][ T5753] syz-executor: attempt to access beyond end of device
[  108.326803][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[  108.328754][ T5753] CPU: 1 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  108.328778][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  108.328789][ T5753] Call Trace:
[  108.328796][ T5753]  <TASK>
[  108.328804][ T5753]  dump_stack_lvl+0xe8/0x150
[  108.328836][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  108.328863][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  108.328890][ T5753]  ? blkg_put+0x22/0x240
[  108.328925][ T5753]  __submit_merged_bio+0x258/0x6a0
[  108.328944][ T5753]  ? rcu_is_watching+0x16/0xb0
[  108.328970][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  108.329000][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  108.329053][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  108.329076][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  108.329126][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  108.329199][ T5753]  ? __bfs+0x153/0x290
[  108.329216][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  108.329253][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  108.329276][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  108.329318][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  108.329342][ T5753]  do_writepages+0x338/0x560
[  108.329374][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  108.329402][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  108.329428][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  108.329494][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  108.329520][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  108.329559][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  108.329582][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  108.329629][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  108.329688][ T5753]  ? try_to_wake_up+0x8b6/0x14d0
[  108.329721][ T5753]  kill_f2fs_super+0x2dd/0x700
[  108.329754][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  108.329789][ T5753]  ? call_rcu+0x64d/0x8b0
[  108.329809][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  108.329842][ T5753]  deactivate_locked_super+0xbc/0x110
[  108.329863][ T5753]  cleanup_mnt+0x3d3/0x460
[  108.329888][ T5753]  task_work_run+0x1d9/0x270
[  108.329911][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  108.329939][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  108.329958][ T5753]  ? rcu_is_watching+0x16/0xb0
[  108.329982][ T5753]  do_syscall_64+0x328/0x520
[  108.330000][ T5753]  ? trace_irq_disable+0x3b/0x140
[  108.330025][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  108.330043][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  108.330065][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  108.330082][ T5753] RIP: 0033:0x7f5d1279f317
[  108.330100][ T5753] 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
[  108.330113][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  108.330134][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  108.330146][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  108.330157][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  108.330169][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  108.330179][ T5753] R13: 00007f5d12834474 R14: 000000000001a5d4 R15: 00007ffdd08d63c0
[  108.330209][ T5753]  </TASK>
[  108.330859][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  108.846355][ T5895] loop0: detected capacity change from 0 to 40427
[  108.856202][ T5895] F2FS-fs (loop0): invalid crc value
[  108.942560][ T5895] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
[  108.955188][ T5895] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[  108.975697][ T5753] syz-executor: attempt to access beyond end of device
[  108.975697][ T5753] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
2026/08/15 00:25:13 executed programs: 19
[  108.979023][ T5753] CPU: 0 UID: 0 PID: 5753 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  108.979050][ T5753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  108.979060][ T5753] Call Trace:
[  108.979068][ T5753]  <TASK>
[  108.979075][ T5753]  dump_stack_lvl+0xe8/0x150
[  108.979107][ T5753]  f2fs_stop_checkpoint+0x3f6/0x5d0
[  108.979134][ T5753]  f2fs_write_end_bio+0x1211/0x16e0
[  108.979161][ T5753]  ? blkg_put+0x22/0x240
[  108.979196][ T5753]  __submit_merged_bio+0x258/0x6a0
[  108.979216][ T5753]  ? rcu_is_watching+0x16/0xb0
[  108.979241][ T5753]  __submit_merged_write_cond+0x3c9/0x4e0
[  108.979271][ T5753]  ? __pfx___submit_merged_write_cond+0x10/0x10
[  108.979315][ T5753]  f2fs_write_data_pages+0x2a27/0x36f0
[  108.979337][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  108.979388][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  108.979459][ T5753]  ? __bfs+0x153/0x290
[  108.979475][ T5753]  ? __pfx_hlock_conflict+0x10/0x10
[  108.979512][ T5753]  ? lockdep_unlock+0x5c/0xd0
[  108.979534][ T5753]  ? __lock_acquire+0x14b9/0x2e50
[  108.979577][ T5753]  ? __pfx_f2fs_write_data_pages+0x10/0x10
[  108.979600][ T5753]  do_writepages+0x338/0x560
[  108.979633][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  108.979660][ T5753]  filemap_fdatawrite+0x1e9/0x2f0
[  108.979686][ T5753]  ? __pfx_filemap_fdatawrite+0x10/0x10
[  108.979751][ T5753]  ? do_raw_spin_unlock+0xf5/0x200
[  108.979779][ T5753]  f2fs_sync_dirty_inodes+0x30e/0x830
[  108.979817][ T5753]  f2fs_write_checkpoint+0xa3d/0x2710
[  108.979840][ T5753]  ? __lock_acquire+0x6df/0x2e50
[  108.979888][ T5753]  ? __pfx_f2fs_write_checkpoint+0x10/0x10
[  108.979947][ T5753]  ? try_to_wake_up+0x8b6/0x14d0
[  108.979989][ T5753]  kill_f2fs_super+0x2dd/0x700
[  108.980021][ T5753]  ? __pfx_kill_f2fs_super+0x10/0x10
[  108.980057][ T5753]  ? call_rcu+0x64d/0x8b0
[  108.980077][ T5753]  ? lockdep_hardirqs_on+0x7b/0x110
[  108.980110][ T5753]  deactivate_locked_super+0xbc/0x110
[  108.980132][ T5753]  cleanup_mnt+0x3d3/0x460
[  108.980157][ T5753]  task_work_run+0x1d9/0x270
[  108.980179][ T5753]  ? __pfx_task_work_run+0x10/0x10
[  108.980208][ T5753]  exit_to_user_mode_loop+0x204/0x770
[  108.980226][ T5753]  ? rcu_is_watching+0x16/0xb0
[  108.980250][ T5753]  do_syscall_64+0x328/0x520
[  108.980268][ T5753]  ? trace_irq_disable+0x3b/0x140
[  108.980285][ T5753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  108.980303][ T5753]  ? clear_bhb_loop+0x70/0xc0
[  108.980325][ T5753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  108.980342][ T5753] RIP: 0033:0x7f5d1279f317
[  108.980359][ T5753] 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
[  108.980373][ T5753] RSP: 002b:00007ffdd08d5238 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  108.980393][ T5753] RAX: 0000000000000000 RBX: 00007f5d12834474 RCX: 00007f5d1279f317
[  108.980404][ T5753] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdd08d52f0
[  108.980415][ T5753] RBP: 00007ffdd08d52f0 R08: 00007ffdd08d62f0 R09: 00000000ffffffff
[  108.980426][ T5753] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd08d6380
[  108.980437][ T5753] R13: 00007f5d12834474 R14: 000000000001a971 R15: 00007ffdd08d63c0
[  108.980467][ T5753]  </TASK>
[  108.981139][ T5753] F2FS-fs (loop0): Stopped filesystem due to reason: 3
[  109.488821][ T5900] loop0: detected capacity change from 0 to 40427
[  109.499726][ T5900] F2FS-fs (loop0): invalid crc value