Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts. 2026/11/04 22:27:23 parsed 1 programs Setting up swapspace version 1, size = 127995904 bytes [ 132.856220][ T6035] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 133.219820][ T1337] ieee802154 phy0 wpan0: encryption failed: -22 [ 133.219912][ T1337] ieee802154 phy1 wpan1: encryption failed: -22 [ 136.194925][ T4924] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 136.197334][ T4924] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 136.206797][ T4924] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 136.224725][ T4924] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 136.225509][ T4924] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 138.656005][ T6137] bridge0: port 1(bridge_slave_0) entered blocking state [ 138.656136][ T6137] bridge0: port 1(bridge_slave_0) entered disabled state [ 138.656246][ T6137] bridge_slave_0: entered allmulticast mode [ 138.667678][ T6137] bridge_slave_0: entered promiscuous mode [ 138.679253][ T6137] bridge0: port 2(bridge_slave_1) entered blocking state [ 138.679465][ T6137] bridge0: port 2(bridge_slave_1) entered disabled state [ 138.679640][ T6137] bridge_slave_1: entered allmulticast mode [ 138.681814][ T6137] bridge_slave_1: entered promiscuous mode [ 138.719482][ T6137] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 138.724457][ T6137] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 138.768335][ T6137] team0: Port device team_slave_0 added [ 138.772925][ T6137] team0: Port device team_slave_1 added [ 138.802574][ T6137] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 138.802592][ T6137] 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. [ 138.802617][ T6137] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 138.804492][ T6137] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 138.804505][ T6137] 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. [ 138.804522][ T6137] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 138.864882][ T6137] hsr_slave_0: entered promiscuous mode [ 138.866693][ T6137] hsr_slave_1: entered promiscuous mode [ 140.961931][ T6137] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 140.990413][ T6137] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 140.991901][ T6137] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 141.032866][ T6137] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 141.034503][ T6137] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 141.070341][ T6137] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 141.071351][ T6137] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 141.111316][ T6137] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 141.250524][ T6137] 8021q: adding VLAN 0 to HW filter on device bond0 [ 141.294842][ T6137] 8021q: adding VLAN 0 to HW filter on device team0 [ 141.311169][ T3335] bridge0: port 1(bridge_slave_0) entered blocking state [ 141.311382][ T3335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 141.343466][ T3280] bridge0: port 2(bridge_slave_1) entered blocking state [ 141.343600][ T3280] bridge0: port 2(bridge_slave_1) entered forwarding state [ 142.238467][ T6137] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 142.333848][ T6137] veth0_vlan: entered promiscuous mode [ 142.346785][ T6137] veth1_vlan: entered promiscuous mode [ 142.399797][ T6137] veth0_macvtap: entered promiscuous mode [ 142.409981][ T6137] veth1_macvtap: entered promiscuous mode [ 142.435033][ T6137] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 142.446366][ T6137] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 142.647667][ T3380] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.695871][ T3280] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.696193][ T3280] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 142.696760][ T3280] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 143.352966][ T3380] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 144.105568][ T3380] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 144.796107][ T3380] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 145.125221][ T3380] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 145.958185][ T3380] bridge_slave_1: left allmulticast mode [ 145.958221][ T3380] bridge_slave_1: left promiscuous mode [ 145.958476][ T3380] bridge0: port 2(bridge_slave_1) entered disabled state [ 146.120725][ T3380] bridge_slave_0: left allmulticast mode [ 146.120761][ T3380] bridge_slave_0: left promiscuous mode [ 146.121016][ T3380] bridge0: port 1(bridge_slave_0) entered disabled state [ 146.898121][ T3380] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 146.958151][ T3380] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 146.999746][ T3380] bond0 (unregistering): Released all slaves [ 147.417691][ T3380] hsr_slave_0: left promiscuous mode [ 147.458275][ T3380] hsr_slave_1: left promiscuous mode [ 147.459524][ T3380] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 147.459550][ T3380] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 147.509580][ T3380] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 147.509601][ T3380] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 147.588744][ T3380] veth1_macvtap: left promiscuous mode [ 147.588809][ T3380] veth0_macvtap: left promiscuous mode [ 147.590097][ T3380] veth1_vlan: left promiscuous mode [ 147.590210][ T3380] veth0_vlan: left promiscuous mode [ 148.278933][ T3380] team0 (unregistering): Port device team_slave_1 removed [ 148.318216][ T3380] team0 (unregistering): Port device team_slave_0 removed [ 148.480514][ T5270] 8021q: adding VLAN 0 to HW filter on device eth1 [ 148.680231][ T3335] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 148.680254][ T3335] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 148.775021][ T1598] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 148.775042][ T1598] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 149.163418][ T5270] 8021q: adding VLAN 0 to HW filter on device eth2 [ 149.875093][ T5270] 8021q: adding VLAN 0 to HW filter on device eth3 2026/11/04 22:27:47 executed programs: 0 [ 150.910168][ T4924] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 150.930821][ T4924] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 150.934578][ T4924] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 150.935550][ T4924] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 150.936199][ T4924] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 150.984299][ T5270] 8021q: adding VLAN 0 to HW filter on device eth4 [ 151.696735][ T6442] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.696946][ T6442] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.697104][ T6442] bridge_slave_0: entered allmulticast mode [ 151.699513][ T6442] bridge_slave_0: entered promiscuous mode [ 151.704076][ T6442] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.704287][ T6442] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.704770][ T6442] bridge_slave_1: entered allmulticast mode [ 151.707019][ T6442] bridge_slave_1: entered promiscuous mode [ 151.757118][ T6442] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 151.762136][ T6442] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 151.794398][ T6442] team0: Port device team_slave_0 added [ 151.796540][ T6442] team0: Port device team_slave_1 added [ 151.831092][ T6442] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 151.831110][ T6442] 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. [ 151.831132][ T6442] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 151.832419][ T6442] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 151.832432][ T6442] 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. [ 151.832452][ T6442] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 151.911039][ T6442] hsr_slave_0: entered promiscuous mode [ 151.912242][ T6442] hsr_slave_1: entered promiscuous mode [ 152.967558][ T61] Bluetooth: hci0: command tx timeout [ 154.599961][ T6442] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 154.641985][ T6442] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 154.643050][ T6442] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 154.695144][ T6442] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 154.696896][ T6442] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 154.751874][ T6442] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 154.753812][ T6442] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 154.800071][ T6442] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 154.949903][ T6442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 154.974486][ T6442] 8021q: adding VLAN 0 to HW filter on device team0 [ 154.984517][ T1123] bridge0: port 1(bridge_slave_0) entered blocking state [ 154.984716][ T1123] bridge0: port 1(bridge_slave_0) entered forwarding state [ 154.997317][ T1598] bridge0: port 2(bridge_slave_1) entered blocking state [ 155.000165][ T1598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 155.047545][ T61] Bluetooth: hci0: command tx timeout [ 155.774865][ T6442] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 155.922778][ T6442] veth0_vlan: entered promiscuous mode [ 155.947084][ T6442] veth1_vlan: entered promiscuous mode [ 156.005252][ T6442] veth0_macvtap: entered promiscuous mode [ 156.034862][ T6442] veth1_macvtap: entered promiscuous mode [ 156.151580][ T6442] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 156.182442][ T6442] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 156.462771][ T211] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 156.490071][ T211] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 156.490116][ T211] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 156.490149][ T211] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 156.563969][ T3380] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 156.563991][ T3380] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 156.612592][ T3380] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 156.612615][ T3380] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2026/11/04 22:27:52 executed programs: 2 [ 156.956978][ T6588] loop0: detected capacity change from 0 to 32768 [ 157.127581][ T61] Bluetooth: hci0: command tx timeout [ 157.151723][ T6588] Bad index:0 in slot in dtroot [ 157.151723][ T6588] [ 157.151748][ T6588] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 157.151748][ T6588] [ 157.151992][ T6588] ERROR: (device loop0): remounting filesystem as read-only [ 157.567258][ T6588] loop0: detected capacity change from 0 to 40427 [ 157.576689][ T6588] F2FS-fs: heap/no_heap options were deprecated [ 157.605433][ T6588] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 157.605459][ T6588] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 157.633350][ T6588] F2FS-fs (loop0): invalid crc value [ 157.803138][ T6588] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 157.826550][ T6588] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 157.826742][ T6588] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 158.174859][ T6442] syz-executor: attempt to access beyond end of device [ 158.174859][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 158.192733][ T6442] CPU: 0 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 158.192760][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 158.192778][ T6442] Call Trace: [ 158.192786][ T6442] [ 158.192794][ T6442] dump_stack_lvl+0xe8/0x150 [ 158.192825][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 158.192846][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 158.192881][ T6442] __submit_merged_bio+0x258/0x6a0 [ 158.192897][ T6442] ? rcu_is_watching+0x16/0xb0 [ 158.192921][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 158.192941][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 158.192980][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 158.193030][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 158.193047][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 158.193080][ T6442] ? arch_stack_walk+0xfb/0x150 [ 158.193132][ T6442] ? __lock_acquire+0x747/0x2de0 [ 158.193165][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 158.193197][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 158.193214][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 158.193239][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 158.193259][ T6442] do_writepages+0x338/0x560 [ 158.193298][ T6442] ? rt_spin_unlock+0x159/0x200 [ 158.193327][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 158.193351][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 158.193369][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 158.193420][ T6442] ? rt_spin_unlock+0x159/0x200 [ 158.193446][ T6442] ? rt_spin_unlock+0x165/0x200 [ 158.193469][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 158.193504][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 158.193555][ T6442] kill_f2fs_super+0x2df/0x700 [ 158.193582][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 158.193618][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 158.193637][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 158.193667][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 158.193688][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 158.193706][ T6442] deactivate_locked_super+0xbe/0x110 [ 158.193729][ T6442] cleanup_mnt+0x204/0x2a0 [ 158.193749][ T6442] task_work_run+0x1d9/0x260 [ 158.193773][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 158.193802][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 158.193818][ T6442] ? rcu_is_watching+0x16/0xb0 [ 158.193837][ T6442] do_syscall_64+0x328/0x520 [ 158.193853][ T6442] ? trace_irq_disable+0x3b/0x140 [ 158.193869][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 158.193884][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 158.193902][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 158.193918][ T6442] RIP: 0033:0x7fef242fda57 [ 158.193949][ T6442] Code: a2 c7 05 9c fc 24 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 [ 158.193962][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 158.193982][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 158.193993][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 158.194002][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 158.194035][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 158.194045][ T6442] R13: 00007fef24392048 R14: 0000000000026781 R15: 00007ffe4e5a4ea0 [ 158.194071][ T6442] [ 158.194094][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 158.998073][ T6595] loop0: detected capacity change from 0 to 32768 [ 159.051415][ T6595] Bad index:0 in slot in dtroot [ 159.051415][ T6595] [ 159.051447][ T6595] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 159.051447][ T6595] [ 159.051698][ T6595] ERROR: (device loop0): remounting filesystem as read-only [ 159.218119][ T61] Bluetooth: hci0: command tx timeout [ 159.412443][ T6595] loop0: detected capacity change from 0 to 40427 [ 159.414638][ T6595] F2FS-fs: heap/no_heap options were deprecated [ 159.416443][ T6595] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 159.416465][ T6595] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 159.462744][ T6595] F2FS-fs (loop0): invalid crc value [ 159.574538][ T6595] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 159.592507][ T6595] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 159.592550][ T6595] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 159.933072][ T6442] syz-executor: attempt to access beyond end of device [ 159.933072][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 159.939771][ T6442] CPU: 1 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 159.939799][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 159.939810][ T6442] Call Trace: [ 159.939817][ T6442] [ 159.939825][ T6442] dump_stack_lvl+0xe8/0x150 [ 159.939861][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 159.939887][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 159.939927][ T6442] __submit_merged_bio+0x258/0x6a0 [ 159.939946][ T6442] ? rcu_is_watching+0x16/0xb0 [ 159.939973][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 159.939996][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 159.940038][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 159.940096][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 159.940117][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 159.940153][ T6442] ? arch_stack_walk+0xfb/0x150 [ 159.940211][ T6442] ? __lock_acquire+0x747/0x2de0 [ 159.940250][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 159.940291][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 159.940313][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 159.940344][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 159.940367][ T6442] do_writepages+0x338/0x560 [ 159.940397][ T6442] ? rt_spin_unlock+0x159/0x200 [ 159.940432][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 159.940461][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 159.940485][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 159.940545][ T6442] ? rt_spin_unlock+0x159/0x200 [ 159.940575][ T6442] ? rt_spin_unlock+0x165/0x200 [ 159.940603][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 159.940643][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 159.940719][ T6442] kill_f2fs_super+0x2df/0x700 [ 159.940748][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 159.940774][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 159.940795][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 159.940835][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 159.940861][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 159.940884][ T6442] deactivate_locked_super+0xbe/0x110 [ 159.940913][ T6442] cleanup_mnt+0x204/0x2a0 [ 159.940936][ T6442] task_work_run+0x1d9/0x260 [ 159.940962][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 159.940995][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 159.941013][ T6442] ? rcu_is_watching+0x16/0xb0 [ 159.941038][ T6442] do_syscall_64+0x328/0x520 [ 159.941058][ T6442] ? trace_irq_disable+0x3b/0x140 [ 159.941077][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 159.941095][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 159.941118][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 159.941136][ T6442] RIP: 0033:0x7fef242fda57 [ 159.941155][ T6442] Code: a2 c7 05 9c fc 24 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 [ 159.941170][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 159.941189][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 159.941201][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 159.941212][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 159.941225][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 159.941236][ T6442] R13: 00007fef24392048 R14: 0000000000026e55 R15: 00007ffe4e5a4ea0 [ 159.941267][ T6442] [ 159.942678][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 160.334703][ T1005] loop0: lost filesystem error report for type 5 error -108 [ 160.736811][ T6602] loop0: detected capacity change from 0 to 32768 [ 160.763712][ T6602] Bad index:0 in slot in dtroot [ 160.763712][ T6602] [ 160.763732][ T6602] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 160.763732][ T6602] [ 160.763971][ T6602] ERROR: (device loop0): remounting filesystem as read-only [ 161.145019][ T6602] loop0: detected capacity change from 0 to 40427 [ 161.147773][ T6602] F2FS-fs: heap/no_heap options were deprecated [ 161.162947][ T6602] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 161.162974][ T6602] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 161.185400][ T6602] F2FS-fs (loop0): invalid crc value [ 161.312498][ T6602] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 161.352590][ T6602] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 161.352618][ T6602] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 161.690617][ T6442] syz-executor: attempt to access beyond end of device [ 161.690617][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 161.695243][ T6442] CPU: 1 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 161.695272][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 161.695282][ T6442] Call Trace: [ 161.695290][ T6442] [ 161.695299][ T6442] dump_stack_lvl+0xe8/0x150 [ 161.695333][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 161.695362][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 161.695402][ T6442] __submit_merged_bio+0x258/0x6a0 [ 161.695421][ T6442] ? rcu_is_watching+0x16/0xb0 [ 161.695446][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 161.695468][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 161.695517][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 161.695573][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 161.695593][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 161.695629][ T6442] ? arch_stack_walk+0xfb/0x150 [ 161.695686][ T6442] ? __lock_acquire+0x747/0x2de0 [ 161.695724][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 161.695764][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 161.695788][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 161.695820][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 161.695844][ T6442] do_writepages+0x338/0x560 [ 161.695876][ T6442] ? rt_spin_unlock+0x159/0x200 [ 161.695911][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 161.695940][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 161.695960][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 161.696017][ T6442] ? rt_spin_unlock+0x159/0x200 [ 161.696047][ T6442] ? rt_spin_unlock+0x165/0x200 [ 161.696074][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 161.696115][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 161.696173][ T6442] kill_f2fs_super+0x2df/0x700 [ 161.696195][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 161.696217][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 161.696233][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 161.696264][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 161.696285][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 161.696305][ T6442] deactivate_locked_super+0xbe/0x110 [ 161.696330][ T6442] cleanup_mnt+0x204/0x2a0 [ 161.696351][ T6442] task_work_run+0x1d9/0x260 [ 161.696373][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 161.696398][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 161.696412][ T6442] ? rcu_is_watching+0x16/0xb0 [ 161.696433][ T6442] do_syscall_64+0x328/0x520 [ 161.696450][ T6442] ? trace_irq_disable+0x3b/0x140 [ 161.696466][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 161.696482][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 161.696512][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 161.696529][ T6442] RIP: 0033:0x7fef242fda57 [ 161.696546][ T6442] Code: a2 c7 05 9c fc 24 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 [ 161.696558][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 161.696576][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 161.696587][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 161.696597][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 161.696607][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 161.696617][ T6442] R13: 00007fef24392048 R14: 0000000000027659 R15: 00007ffe4e5a4ea0 [ 161.696655][ T6442] [ 161.702652][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 162.325550][ T6609] loop0: detected capacity change from 0 to 32768 [ 162.349636][ T6609] Bad index:0 in slot in dtroot [ 162.349636][ T6609] [ 162.349653][ T6609] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 162.349653][ T6609] [ 162.349916][ T6609] ERROR: (device loop0): remounting filesystem as read-only [ 162.706715][ T6609] loop0: detected capacity change from 0 to 40427 [ 162.708306][ T6609] F2FS-fs: heap/no_heap options were deprecated [ 162.715749][ T6609] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 162.715775][ T6609] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 162.723804][ T6609] F2FS-fs (loop0): invalid crc value [ 162.832377][ T6609] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 162.852085][ T6609] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 162.852115][ T6609] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 2026/11/04 22:27:59 executed programs: 6 [ 163.172122][ T6442] syz-executor: attempt to access beyond end of device [ 163.172122][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 163.176721][ T6442] CPU: 1 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 163.176751][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 163.176762][ T6442] Call Trace: [ 163.176770][ T6442] [ 163.176779][ T6442] dump_stack_lvl+0xe8/0x150 [ 163.176815][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 163.176841][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 163.176879][ T6442] __submit_merged_bio+0x258/0x6a0 [ 163.176897][ T6442] ? rcu_is_watching+0x16/0xb0 [ 163.176925][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 163.176949][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 163.176993][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 163.177052][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 163.177073][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 163.177109][ T6442] ? arch_stack_walk+0xfb/0x150 [ 163.177160][ T6442] ? __lock_acquire+0x747/0x2de0 [ 163.177185][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 163.177208][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 163.177220][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 163.177238][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 163.177252][ T6442] do_writepages+0x338/0x560 [ 163.177273][ T6442] ? rt_spin_unlock+0x159/0x200 [ 163.177293][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 163.177311][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 163.177325][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 163.177358][ T6442] ? rt_spin_unlock+0x159/0x200 [ 163.177375][ T6442] ? rt_spin_unlock+0x165/0x200 [ 163.177395][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 163.177430][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 163.177495][ T6442] kill_f2fs_super+0x2df/0x700 [ 163.177524][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 163.177550][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 163.177568][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 163.177590][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 163.177605][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 163.177619][ T6442] deactivate_locked_super+0xbe/0x110 [ 163.177636][ T6442] cleanup_mnt+0x204/0x2a0 [ 163.177672][ T6442] task_work_run+0x1d9/0x260 [ 163.177689][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 163.177707][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 163.177717][ T6442] ? rcu_is_watching+0x16/0xb0 [ 163.177731][ T6442] do_syscall_64+0x328/0x520 [ 163.177743][ T6442] ? trace_irq_disable+0x3b/0x140 [ 163.177754][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 163.177765][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 163.177777][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 163.177788][ T6442] RIP: 0033:0x7fef242fda57 [ 163.177800][ T6442] Code: a2 c7 05 9c fc 24 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 [ 163.177808][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 163.177820][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 163.177827][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 163.177833][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 163.177840][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 163.177846][ T6442] R13: 00007fef24392048 R14: 0000000000027c1c R15: 00007ffe4e5a4ea0 [ 163.177863][ T6442] [ 163.178501][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 163.760782][ T6616] loop0: detected capacity change from 0 to 32768 [ 163.782433][ T6616] Bad index:0 in slot in dtroot [ 163.782433][ T6616] [ 163.782449][ T6616] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 163.782449][ T6616] [ 163.782739][ T6616] ERROR: (device loop0): remounting filesystem as read-only [ 164.107058][ T6616] loop0: detected capacity change from 0 to 40427 [ 164.108911][ T6616] F2FS-fs: heap/no_heap options were deprecated [ 164.111562][ T6616] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 164.111585][ T6616] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 164.123915][ T6616] F2FS-fs (loop0): invalid crc value [ 164.279041][ T6616] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 164.302052][ T6616] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 164.302083][ T6616] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 164.651126][ T6442] syz-executor: attempt to access beyond end of device [ 164.651126][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 164.655041][ T6442] CPU: 1 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 164.655066][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 164.655076][ T6442] Call Trace: [ 164.655083][ T6442] [ 164.655092][ T6442] dump_stack_lvl+0xe8/0x150 [ 164.655127][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 164.655151][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 164.655191][ T6442] __submit_merged_bio+0x258/0x6a0 [ 164.655219][ T6442] ? rcu_is_watching+0x16/0xb0 [ 164.655247][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 164.655270][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 164.655307][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 164.655367][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 164.655389][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 164.655426][ T6442] ? arch_stack_walk+0xfb/0x150 [ 164.655484][ T6442] ? __lock_acquire+0x747/0x2de0 [ 164.655523][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 164.655552][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 164.655565][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 164.655583][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 164.655596][ T6442] do_writepages+0x338/0x560 [ 164.655615][ T6442] ? rt_spin_unlock+0x159/0x200 [ 164.655635][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 164.655653][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 164.655666][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 164.655702][ T6442] ? rt_spin_unlock+0x159/0x200 [ 164.655719][ T6442] ? rt_spin_unlock+0x165/0x200 [ 164.655735][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 164.655758][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 164.655790][ T6442] kill_f2fs_super+0x2df/0x700 [ 164.655806][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 164.655823][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 164.655834][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 164.655856][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 164.655871][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 164.655884][ T6442] deactivate_locked_super+0xbe/0x110 [ 164.655901][ T6442] cleanup_mnt+0x204/0x2a0 [ 164.655914][ T6442] task_work_run+0x1d9/0x260 [ 164.655929][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 164.655947][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 164.655957][ T6442] ? rcu_is_watching+0x16/0xb0 [ 164.655971][ T6442] do_syscall_64+0x328/0x520 [ 164.655983][ T6442] ? trace_irq_disable+0x3b/0x140 [ 164.655994][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 164.656004][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 164.656017][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 164.656027][ T6442] RIP: 0033:0x7fef242fda57 [ 164.656040][ T6442] Code: a2 c7 05 9c fc 24 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 [ 164.656048][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 164.656060][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 164.656067][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 164.656073][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 164.656080][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 164.656086][ T6442] R13: 00007fef24392048 R14: 00000000000280c0 R15: 00007ffe4e5a4ea0 [ 164.656103][ T6442] [ 164.656869][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 165.236409][ T6623] loop0: detected capacity change from 0 to 32768 [ 165.263660][ T6623] Bad index:0 in slot in dtroot [ 165.263660][ T6623] [ 165.263679][ T6623] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 165.263679][ T6623] [ 165.264026][ T6623] ERROR: (device loop0): remounting filesystem as read-only [ 165.591231][ T6623] loop0: detected capacity change from 0 to 40427 [ 165.592270][ T6623] F2FS-fs: heap/no_heap options were deprecated [ 165.624177][ T6623] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 165.624205][ T6623] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 165.642560][ T6623] F2FS-fs (loop0): invalid crc value [ 165.768291][ T6623] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 165.781500][ T6623] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 165.781528][ T6623] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 166.089534][ T6442] syz-executor: attempt to access beyond end of device [ 166.089534][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 166.091756][ T6442] CPU: 0 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 166.091782][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 166.091792][ T6442] Call Trace: [ 166.091800][ T6442] [ 166.091808][ T6442] dump_stack_lvl+0xe8/0x150 [ 166.091843][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 166.091867][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 166.091908][ T6442] __submit_merged_bio+0x258/0x6a0 [ 166.091927][ T6442] ? rcu_is_watching+0x16/0xb0 [ 166.091953][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 166.091973][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 166.092014][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 166.092083][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 166.092105][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 166.092141][ T6442] ? arch_stack_walk+0xfb/0x150 [ 166.092196][ T6442] ? __lock_acquire+0x747/0x2de0 [ 166.092235][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 166.092262][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 166.092274][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 166.092293][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 166.092307][ T6442] do_writepages+0x338/0x560 [ 166.092324][ T6442] ? rt_spin_unlock+0x159/0x200 [ 166.092344][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 166.092362][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 166.092375][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 166.092409][ T6442] ? rt_spin_unlock+0x159/0x200 [ 166.092425][ T6442] ? rt_spin_unlock+0x165/0x200 [ 166.092442][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 166.092464][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 166.092497][ T6442] kill_f2fs_super+0x2df/0x700 [ 166.092513][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 166.092529][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 166.092541][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 166.092566][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 166.092580][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 166.092594][ T6442] deactivate_locked_super+0xbe/0x110 [ 166.092610][ T6442] cleanup_mnt+0x204/0x2a0 [ 166.092623][ T6442] task_work_run+0x1d9/0x260 [ 166.092639][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 166.092657][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 166.092668][ T6442] ? rcu_is_watching+0x16/0xb0 [ 166.092681][ T6442] do_syscall_64+0x328/0x520 [ 166.092693][ T6442] ? trace_irq_disable+0x3b/0x140 [ 166.092704][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 166.092715][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 166.092728][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 166.092738][ T6442] RIP: 0033:0x7fef242fda57 [ 166.092750][ T6442] Code: a2 c7 05 9c fc 24 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 [ 166.092758][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 166.092770][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 166.092777][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 166.092783][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 166.092790][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 166.092796][ T6442] R13: 00007fef24392048 R14: 000000000002867f R15: 00007ffe4e5a4ea0 [ 166.092813][ T6442] [ 166.093019][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 166.766490][ T6630] loop0: detected capacity change from 0 to 32768 [ 166.785673][ T6630] Bad index:0 in slot in dtroot [ 166.785673][ T6630] [ 166.785691][ T6630] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 166.785691][ T6630] [ 166.786016][ T6630] ERROR: (device loop0): remounting filesystem as read-only [ 167.090234][ T6630] loop0: detected capacity change from 0 to 40427 [ 167.091260][ T6630] F2FS-fs: heap/no_heap options were deprecated [ 167.093469][ T6630] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 167.093494][ T6630] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 167.096639][ T6630] F2FS-fs (loop0): invalid crc value [ 167.212174][ T6630] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 167.227324][ T6630] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 167.227354][ T6630] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 167.580341][ T6442] syz-executor: attempt to access beyond end of device [ 167.580341][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 167.585246][ T6442] CPU: 0 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 167.585273][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 167.585283][ T6442] Call Trace: [ 167.585291][ T6442] [ 167.585299][ T6442] dump_stack_lvl+0xe8/0x150 [ 167.585341][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 167.585366][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 167.585407][ T6442] __submit_merged_bio+0x258/0x6a0 [ 167.585426][ T6442] ? rcu_is_watching+0x16/0xb0 [ 167.585452][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 167.585472][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 167.585513][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 167.585573][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 167.585595][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 167.585632][ T6442] ? arch_stack_walk+0xfb/0x150 [ 167.585689][ T6442] ? __lock_acquire+0x747/0x2de0 [ 167.585721][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 167.585744][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 167.585757][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 167.585776][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 167.585789][ T6442] do_writepages+0x338/0x560 [ 167.585808][ T6442] ? rt_spin_unlock+0x159/0x200 [ 167.585828][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 167.585848][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 167.585862][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 167.585895][ T6442] ? rt_spin_unlock+0x159/0x200 [ 167.585912][ T6442] ? rt_spin_unlock+0x165/0x200 [ 167.585928][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 167.585951][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 167.585984][ T6442] kill_f2fs_super+0x2df/0x700 [ 167.586000][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 167.586016][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 167.586028][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 167.586049][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 167.586064][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 167.586077][ T6442] deactivate_locked_super+0xbe/0x110 [ 167.586095][ T6442] cleanup_mnt+0x204/0x2a0 [ 167.586108][ T6442] task_work_run+0x1d9/0x260 [ 167.586124][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 167.586142][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 167.586153][ T6442] ? rcu_is_watching+0x16/0xb0 [ 167.586166][ T6442] do_syscall_64+0x328/0x520 [ 167.586179][ T6442] ? trace_irq_disable+0x3b/0x140 [ 167.586189][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 167.586200][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 167.586213][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 167.586223][ T6442] RIP: 0033:0x7fef242fda57 [ 167.586235][ T6442] Code: a2 c7 05 9c fc 24 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 [ 167.586244][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 167.586255][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 167.586262][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 167.586269][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 167.586276][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 167.586282][ T6442] R13: 00007fef24392048 R14: 0000000000028c2e R15: 00007ffe4e5a4ea0 [ 167.586298][ T6442] [ 167.586527][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 168.301630][ T6637] loop0: detected capacity change from 0 to 32768 [ 168.318979][ T6637] Bad index:0 in slot in dtroot [ 168.318979][ T6637] [ 168.318996][ T6637] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 168.318996][ T6637] [ 168.319277][ T6637] ERROR: (device loop0): remounting filesystem as read-only [ 168.647823][ T6637] loop0: detected capacity change from 0 to 40427 [ 168.650334][ T6637] F2FS-fs: heap/no_heap options were deprecated [ 168.673046][ T6637] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 168.673073][ T6637] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 168.675954][ T6637] F2FS-fs (loop0): invalid crc value [ 168.862971][ T6637] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 168.886248][ T6637] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 168.886279][ T6637] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 2026/11/04 22:28:05 executed programs: 10 [ 169.220025][ T6442] syz-executor: attempt to access beyond end of device [ 169.220025][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 169.224369][ T6442] CPU: 1 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 169.224397][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 169.224406][ T6442] Call Trace: [ 169.224413][ T6442] [ 169.224422][ T6442] dump_stack_lvl+0xe8/0x150 [ 169.224456][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 169.224482][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 169.224522][ T6442] __submit_merged_bio+0x258/0x6a0 [ 169.224541][ T6442] ? rcu_is_watching+0x16/0xb0 [ 169.224579][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 169.224600][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 169.224640][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 169.224700][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 169.224722][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 169.224759][ T6442] ? arch_stack_walk+0xfb/0x150 [ 169.224815][ T6442] ? __lock_acquire+0x747/0x2de0 [ 169.224851][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 169.224875][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 169.224887][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 169.224905][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 169.224919][ T6442] do_writepages+0x338/0x560 [ 169.224940][ T6442] ? rt_spin_unlock+0x159/0x200 [ 169.224963][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 169.224981][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 169.224995][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 169.225028][ T6442] ? rt_spin_unlock+0x159/0x200 [ 169.225045][ T6442] ? rt_spin_unlock+0x165/0x200 [ 169.225081][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 169.225104][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 169.225137][ T6442] kill_f2fs_super+0x2df/0x700 [ 169.225154][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 169.225170][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 169.225181][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 169.225203][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 169.225218][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 169.225231][ T6442] deactivate_locked_super+0xbe/0x110 [ 169.225248][ T6442] cleanup_mnt+0x204/0x2a0 [ 169.225261][ T6442] task_work_run+0x1d9/0x260 [ 169.225277][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 169.225295][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 169.225306][ T6442] ? rcu_is_watching+0x16/0xb0 [ 169.225320][ T6442] do_syscall_64+0x328/0x520 [ 169.225332][ T6442] ? trace_irq_disable+0x3b/0x140 [ 169.225343][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 169.225354][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 169.225367][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 169.225378][ T6442] RIP: 0033:0x7fef242fda57 [ 169.225389][ T6442] Code: a2 c7 05 9c fc 24 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 [ 169.225398][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 169.225409][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 169.225416][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 169.225423][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 169.225429][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 169.225435][ T6442] R13: 00007fef24392048 R14: 00000000000292a8 R15: 00007ffe4e5a4ea0 [ 169.225452][ T6442] [ 169.225642][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 169.974011][ T6644] loop0: detected capacity change from 0 to 32768 [ 170.002167][ T6644] Bad index:0 in slot in dtroot [ 170.002167][ T6644] [ 170.002185][ T6644] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 170.002185][ T6644] [ 170.002431][ T6644] ERROR: (device loop0): remounting filesystem as read-only [ 170.350408][ T6644] loop0: detected capacity change from 0 to 40427 [ 170.351769][ T6644] F2FS-fs: heap/no_heap options were deprecated [ 170.380720][ T6644] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 170.380746][ T6644] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 170.384001][ T6644] F2FS-fs (loop0): invalid crc value [ 170.544077][ T6644] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 170.567287][ T6644] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 170.567316][ T6644] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 170.899384][ T6442] syz-executor: attempt to access beyond end of device [ 170.899384][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 170.904417][ T6442] CPU: 0 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 170.904444][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 170.904454][ T6442] Call Trace: [ 170.904461][ T6442] [ 170.904469][ T6442] dump_stack_lvl+0xe8/0x150 [ 170.904504][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 170.904530][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 170.904570][ T6442] __submit_merged_bio+0x258/0x6a0 [ 170.904588][ T6442] ? rcu_is_watching+0x16/0xb0 [ 170.904615][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 170.904636][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 170.904677][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 170.904732][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 170.904754][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 170.904792][ T6442] ? arch_stack_walk+0xfb/0x150 [ 170.904851][ T6442] ? __lock_acquire+0x747/0x2de0 [ 170.904891][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 170.904937][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 170.904955][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 170.904973][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 170.904987][ T6442] do_writepages+0x338/0x560 [ 170.905006][ T6442] ? rt_spin_unlock+0x159/0x200 [ 170.905026][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 170.905044][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 170.905057][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 170.905090][ T6442] ? rt_spin_unlock+0x159/0x200 [ 170.905107][ T6442] ? rt_spin_unlock+0x165/0x200 [ 170.905124][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 170.905146][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 170.905178][ T6442] kill_f2fs_super+0x2df/0x700 [ 170.905195][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 170.905211][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 170.905222][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 170.905244][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 170.905259][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 170.905273][ T6442] deactivate_locked_super+0xbe/0x110 [ 170.905290][ T6442] cleanup_mnt+0x204/0x2a0 [ 170.905303][ T6442] task_work_run+0x1d9/0x260 [ 170.905319][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 170.905337][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 170.905348][ T6442] ? rcu_is_watching+0x16/0xb0 [ 170.905362][ T6442] do_syscall_64+0x328/0x520 [ 170.905373][ T6442] ? trace_irq_disable+0x3b/0x140 [ 170.905384][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 170.905395][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 170.905408][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 170.905418][ T6442] RIP: 0033:0x7fef242fda57 [ 170.905432][ T6442] Code: a2 c7 05 9c fc 24 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 [ 170.905441][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 170.905452][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 170.905460][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 170.905466][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 170.905473][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 170.905479][ T6442] R13: 00007fef24392048 R14: 000000000002994e R15: 00007ffe4e5a4ea0 [ 170.905495][ T6442] [ 170.905686][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 171.566674][ T6651] loop0: detected capacity change from 0 to 32768 [ 171.585227][ T6651] Bad index:0 in slot in dtroot [ 171.585227][ T6651] [ 171.585244][ T6651] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 171.585244][ T6651] [ 171.585518][ T6651] ERROR: (device loop0): remounting filesystem as read-only [ 171.914093][ T6651] loop0: detected capacity change from 0 to 40427 [ 171.915081][ T6651] F2FS-fs: heap/no_heap options were deprecated [ 171.918601][ T6651] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 171.918623][ T6651] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 171.954158][ T6651] F2FS-fs (loop0): invalid crc value [ 172.071587][ T6651] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 172.085892][ T6651] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 172.085922][ T6651] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 172.419542][ T6442] syz-executor: attempt to access beyond end of device [ 172.419542][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 172.424553][ T6442] CPU: 0 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 172.424580][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 172.424592][ T6442] Call Trace: [ 172.424599][ T6442] [ 172.424607][ T6442] dump_stack_lvl+0xe8/0x150 [ 172.424648][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 172.424673][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 172.424715][ T6442] __submit_merged_bio+0x258/0x6a0 [ 172.424735][ T6442] ? rcu_is_watching+0x16/0xb0 [ 172.424761][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 172.424783][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 172.424822][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 172.424881][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 172.424912][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 172.424949][ T6442] ? arch_stack_walk+0xfb/0x150 [ 172.425007][ T6442] ? __lock_acquire+0x747/0x2de0 [ 172.425046][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 172.425075][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 172.425087][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 172.425105][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 172.425119][ T6442] do_writepages+0x338/0x560 [ 172.425137][ T6442] ? rt_spin_unlock+0x159/0x200 [ 172.425157][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 172.425176][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 172.425189][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 172.425222][ T6442] ? rt_spin_unlock+0x159/0x200 [ 172.425239][ T6442] ? rt_spin_unlock+0x165/0x200 [ 172.425256][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 172.425278][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 172.425311][ T6442] kill_f2fs_super+0x2df/0x700 [ 172.425327][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 172.425343][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 172.425355][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 172.425377][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 172.425392][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 172.425408][ T6442] deactivate_locked_super+0xbe/0x110 [ 172.425425][ T6442] cleanup_mnt+0x204/0x2a0 [ 172.425438][ T6442] task_work_run+0x1d9/0x260 [ 172.425454][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 172.425472][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 172.425483][ T6442] ? rcu_is_watching+0x16/0xb0 [ 172.425497][ T6442] do_syscall_64+0x328/0x520 [ 172.425509][ T6442] ? trace_irq_disable+0x3b/0x140 [ 172.425519][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 172.425530][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 172.425543][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 172.425554][ T6442] RIP: 0033:0x7fef242fda57 [ 172.425566][ T6442] Code: a2 c7 05 9c fc 24 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 [ 172.425574][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 172.425586][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 172.425593][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 172.425599][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 172.425606][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 172.425612][ T6442] R13: 00007fef24392048 R14: 0000000000029f1c R15: 00007ffe4e5a4ea0 [ 172.425628][ T6442] [ 172.446742][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 172.995911][ T6658] loop0: detected capacity change from 0 to 32768 [ 173.016840][ T6658] Bad index:0 in slot in dtroot [ 173.016840][ T6658] [ 173.016858][ T6658] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 173.016858][ T6658] [ 173.019808][ T6658] ERROR: (device loop0): remounting filesystem as read-only [ 173.341678][ T6658] loop0: detected capacity change from 0 to 40427 [ 173.342648][ T6658] F2FS-fs: heap/no_heap options were deprecated [ 173.357520][ T6658] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 173.357545][ T6658] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 173.379360][ T6658] F2FS-fs (loop0): invalid crc value [ 173.505317][ T6658] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 173.520500][ T6658] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 173.520529][ T6658] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 173.849514][ T6442] syz-executor: attempt to access beyond end of device [ 173.849514][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 173.854769][ T6442] CPU: 0 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 173.854796][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 173.854805][ T6442] Call Trace: [ 173.854812][ T6442] [ 173.854821][ T6442] dump_stack_lvl+0xe8/0x150 [ 173.854855][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 173.854880][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 173.854920][ T6442] __submit_merged_bio+0x258/0x6a0 [ 173.854939][ T6442] ? rcu_is_watching+0x16/0xb0 [ 173.854965][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 173.854988][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 173.855024][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 173.855136][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 173.855158][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 173.855192][ T6442] ? arch_stack_walk+0xfb/0x150 [ 173.855246][ T6442] ? __lock_acquire+0x747/0x2de0 [ 173.855344][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 173.855372][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 173.855390][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 173.855422][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 173.855444][ T6442] do_writepages+0x338/0x560 [ 173.855473][ T6442] ? rt_spin_unlock+0x159/0x200 [ 173.855516][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 173.855546][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 173.855568][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 173.855623][ T6442] ? rt_spin_unlock+0x159/0x200 [ 173.855652][ T6442] ? rt_spin_unlock+0x165/0x200 [ 173.855679][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 173.855720][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 173.855787][ T6442] kill_f2fs_super+0x2df/0x700 [ 173.855817][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 173.855845][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 173.855865][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 173.855903][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 173.855933][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 173.855956][ T6442] deactivate_locked_super+0xbe/0x110 [ 173.855986][ T6442] cleanup_mnt+0x204/0x2a0 [ 173.856011][ T6442] task_work_run+0x1d9/0x260 [ 173.856037][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 173.856069][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 173.856160][ T6442] ? rcu_is_watching+0x16/0xb0 [ 173.856190][ T6442] do_syscall_64+0x328/0x520 [ 173.856212][ T6442] ? trace_irq_disable+0x3b/0x140 [ 173.856229][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 173.856247][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 173.856269][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 173.856287][ T6442] RIP: 0033:0x7fef242fda57 [ 173.856305][ T6442] Code: a2 c7 05 9c fc 24 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 [ 173.856320][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 173.856340][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 173.856354][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 173.856366][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 173.856378][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 173.856390][ T6442] R13: 00007fef24392048 R14: 000000000002a4be R15: 00007ffe4e5a4ea0 [ 173.856432][ T6442] [ 173.856683][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 174.403158][ T6665] loop0: detected capacity change from 0 to 32768 [ 174.414840][ T6665] Bad index:0 in slot in dtroot [ 174.414840][ T6665] [ 174.414857][ T6665] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 174.414857][ T6665] [ 174.415127][ T6665] ERROR: (device loop0): remounting filesystem as read-only [ 174.763909][ T6665] loop0: detected capacity change from 0 to 40427 [ 174.764946][ T6665] F2FS-fs: heap/no_heap options were deprecated [ 174.780855][ T6665] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 174.780881][ T6665] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 174.786050][ T6665] F2FS-fs (loop0): invalid crc value [ 174.901471][ T6665] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 174.906001][ T6665] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 174.906022][ T6665] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 2026/11/04 22:28:11 executed programs: 14 [ 175.240953][ T6442] syz-executor: attempt to access beyond end of device [ 175.240953][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 175.244981][ T6442] CPU: 1 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 175.245007][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 175.245017][ T6442] Call Trace: [ 175.245024][ T6442] [ 175.245033][ T6442] dump_stack_lvl+0xe8/0x150 [ 175.245067][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 175.245092][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 175.245132][ T6442] __submit_merged_bio+0x258/0x6a0 [ 175.245151][ T6442] ? rcu_is_watching+0x16/0xb0 [ 175.245177][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 175.245199][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 175.245237][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 175.245298][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 175.245319][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 175.245357][ T6442] ? arch_stack_walk+0xfb/0x150 [ 175.245414][ T6442] ? __lock_acquire+0x747/0x2de0 [ 175.245452][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 175.245481][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 175.245494][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 175.245512][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 175.245526][ T6442] do_writepages+0x338/0x560 [ 175.245544][ T6442] ? rt_spin_unlock+0x159/0x200 [ 175.245564][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 175.245582][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 175.245596][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 175.245638][ T6442] ? rt_spin_unlock+0x159/0x200 [ 175.245655][ T6442] ? rt_spin_unlock+0x165/0x200 [ 175.245671][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 175.245694][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 175.245726][ T6442] kill_f2fs_super+0x2df/0x700 [ 175.245743][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 175.245759][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 175.245771][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 175.245792][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 175.245807][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 175.245820][ T6442] deactivate_locked_super+0xbe/0x110 [ 175.245837][ T6442] cleanup_mnt+0x204/0x2a0 [ 175.245850][ T6442] task_work_run+0x1d9/0x260 [ 175.245866][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 175.245884][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 175.245895][ T6442] ? rcu_is_watching+0x16/0xb0 [ 175.245908][ T6442] do_syscall_64+0x328/0x520 [ 175.245920][ T6442] ? trace_irq_disable+0x3b/0x140 [ 175.245931][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 175.245942][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 175.245955][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 175.245966][ T6442] RIP: 0033:0x7fef242fda57 [ 175.245978][ T6442] Code: a2 c7 05 9c fc 24 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 [ 175.245986][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 175.245998][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 175.246005][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 175.246011][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 175.246017][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 175.246024][ T6442] R13: 00007fef24392048 R14: 000000000002aa39 R15: 00007ffe4e5a4ea0 [ 175.246040][ T6442] [ 175.246222][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 175.804626][ T6672] loop0: detected capacity change from 0 to 32768 [ 175.827774][ T6672] Bad index:0 in slot in dtroot [ 175.827774][ T6672] [ 175.827792][ T6672] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 175.827792][ T6672] [ 175.828344][ T6672] ERROR: (device loop0): remounting filesystem as read-only [ 176.150506][ T6672] loop0: detected capacity change from 0 to 40427 [ 176.151669][ T6672] F2FS-fs: heap/no_heap options were deprecated [ 176.153400][ T6672] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 176.153421][ T6672] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 176.184107][ T6672] F2FS-fs (loop0): invalid crc value [ 176.324577][ T6672] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 176.336270][ T6672] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 176.336298][ T6672] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 176.662375][ T6442] syz-executor: attempt to access beyond end of device [ 176.662375][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 176.666563][ T6442] CPU: 1 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 176.666591][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 176.666606][ T6442] Call Trace: [ 176.666614][ T6442] [ 176.666622][ T6442] dump_stack_lvl+0xe8/0x150 [ 176.666657][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 176.666689][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 176.666729][ T6442] __submit_merged_bio+0x258/0x6a0 [ 176.666749][ T6442] ? rcu_is_watching+0x16/0xb0 [ 176.666776][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 176.666797][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 176.666837][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 176.666896][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 176.666918][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 176.666954][ T6442] ? arch_stack_walk+0xfb/0x150 [ 176.667009][ T6442] ? __lock_acquire+0x747/0x2de0 [ 176.667046][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 176.667081][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 176.667094][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 176.667112][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 176.667125][ T6442] do_writepages+0x338/0x560 [ 176.667145][ T6442] ? rt_spin_unlock+0x159/0x200 [ 176.667165][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 176.667183][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 176.667197][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 176.667230][ T6442] ? rt_spin_unlock+0x159/0x200 [ 176.667254][ T6442] ? rt_spin_unlock+0x165/0x200 [ 176.667270][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 176.667298][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 176.667332][ T6442] kill_f2fs_super+0x2df/0x700 [ 176.667348][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 176.667364][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 176.667376][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 176.667413][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 176.667435][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 176.667456][ T6442] deactivate_locked_super+0xbe/0x110 [ 176.667483][ T6442] cleanup_mnt+0x204/0x2a0 [ 176.667504][ T6442] task_work_run+0x1d9/0x260 [ 176.667529][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 176.667559][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 176.667579][ T6442] ? rcu_is_watching+0x16/0xb0 [ 176.667604][ T6442] do_syscall_64+0x328/0x520 [ 176.667625][ T6442] ? trace_irq_disable+0x3b/0x140 [ 176.667646][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 176.667693][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 176.667722][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 176.667741][ T6442] RIP: 0033:0x7fef242fda57 [ 176.667760][ T6442] Code: a2 c7 05 9c fc 24 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 [ 176.667775][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 176.667795][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 176.667807][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 176.667819][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 176.667831][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 176.667843][ T6442] R13: 00007fef24392048 R14: 000000000002afc2 R15: 00007ffe4e5a4ea0 [ 176.667873][ T6442] [ 176.667995][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 177.362428][ T6679] loop0: detected capacity change from 0 to 32768 [ 177.384596][ T6679] Bad index:0 in slot in dtroot [ 177.384596][ T6679] [ 177.384614][ T6679] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 177.384614][ T6679] [ 177.384863][ T6679] ERROR: (device loop0): remounting filesystem as read-only [ 177.714270][ T6679] loop0: detected capacity change from 0 to 40427 [ 177.717102][ T6679] F2FS-fs: heap/no_heap options were deprecated [ 177.729580][ T6679] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 177.729606][ T6679] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 177.735433][ T6679] F2FS-fs (loop0): invalid crc value [ 177.873879][ T6679] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 177.893223][ T6679] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 177.893246][ T6679] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 178.239515][ T6442] syz-executor: attempt to access beyond end of device [ 178.239515][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 178.244031][ T6442] CPU: 0 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 178.244057][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 178.244067][ T6442] Call Trace: [ 178.244074][ T6442] [ 178.244082][ T6442] dump_stack_lvl+0xe8/0x150 [ 178.244117][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 178.244142][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 178.244183][ T6442] __submit_merged_bio+0x258/0x6a0 [ 178.244202][ T6442] ? rcu_is_watching+0x16/0xb0 [ 178.244229][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 178.244251][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 178.244290][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 178.244348][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 178.244370][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 178.244406][ T6442] ? arch_stack_walk+0xfb/0x150 [ 178.244462][ T6442] ? __lock_acquire+0x747/0x2de0 [ 178.244500][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 178.244528][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 178.244541][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 178.244558][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 178.244572][ T6442] do_writepages+0x338/0x560 [ 178.244590][ T6442] ? rt_spin_unlock+0x159/0x200 [ 178.244610][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 178.244628][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 178.244642][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 178.244674][ T6442] ? rt_spin_unlock+0x159/0x200 [ 178.244692][ T6442] ? rt_spin_unlock+0x165/0x200 [ 178.244708][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 178.244730][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 178.244763][ T6442] kill_f2fs_super+0x2df/0x700 [ 178.244780][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 178.244796][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 178.244814][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 178.244836][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 178.244851][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 178.244864][ T6442] deactivate_locked_super+0xbe/0x110 [ 178.244883][ T6442] cleanup_mnt+0x204/0x2a0 [ 178.244896][ T6442] task_work_run+0x1d9/0x260 [ 178.244913][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 178.244931][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 178.244941][ T6442] ? rcu_is_watching+0x16/0xb0 [ 178.244955][ T6442] do_syscall_64+0x328/0x520 [ 178.244967][ T6442] ? trace_irq_disable+0x3b/0x140 [ 178.244978][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 178.244989][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 178.245002][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 178.245012][ T6442] RIP: 0033:0x7fef242fda57 [ 178.245024][ T6442] Code: a2 c7 05 9c fc 24 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 [ 178.245032][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 178.245044][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 178.245052][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 178.245058][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 178.245064][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 178.245070][ T6442] R13: 00007fef24392048 R14: 000000000002b5d0 R15: 00007ffe4e5a4ea0 [ 178.245087][ T6442] [ 178.245274][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 178.818324][ T6686] loop0: detected capacity change from 0 to 32768 [ 178.836969][ T6686] Bad index:0 in slot in dtroot [ 178.836969][ T6686] [ 178.836986][ T6686] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 178.836986][ T6686] [ 178.837266][ T6686] ERROR: (device loop0): remounting filesystem as read-only [ 179.175265][ T6686] loop0: detected capacity change from 0 to 40427 [ 179.178036][ T6686] F2FS-fs: heap/no_heap options were deprecated [ 179.194485][ T6686] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 179.194511][ T6686] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 179.203161][ T6686] F2FS-fs (loop0): invalid crc value [ 179.322266][ T6686] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 179.337671][ T6686] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 179.337703][ T6686] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 179.681368][ T6442] syz-executor: attempt to access beyond end of device [ 179.681368][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 179.685589][ T6442] CPU: 0 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 179.685616][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 179.685625][ T6442] Call Trace: [ 179.685632][ T6442] [ 179.685640][ T6442] dump_stack_lvl+0xe8/0x150 [ 179.685675][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 179.685700][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 179.685740][ T6442] __submit_merged_bio+0x258/0x6a0 [ 179.685758][ T6442] ? rcu_is_watching+0x16/0xb0 [ 179.685785][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 179.685808][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 179.685845][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 179.685904][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 179.685926][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 179.685964][ T6442] ? arch_stack_walk+0xfb/0x150 [ 179.686023][ T6442] ? __lock_acquire+0x747/0x2de0 [ 179.686059][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 179.686087][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 179.686099][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 179.686117][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 179.686130][ T6442] do_writepages+0x338/0x560 [ 179.686149][ T6442] ? rt_spin_unlock+0x159/0x200 [ 179.686169][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 179.686187][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 179.686200][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 179.686233][ T6442] ? rt_spin_unlock+0x159/0x200 [ 179.686250][ T6442] ? rt_spin_unlock+0x165/0x200 [ 179.686266][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 179.686288][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 179.686320][ T6442] kill_f2fs_super+0x2df/0x700 [ 179.686337][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 179.686353][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 179.686365][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 179.686386][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 179.686401][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 179.686414][ T6442] deactivate_locked_super+0xbe/0x110 [ 179.686431][ T6442] cleanup_mnt+0x204/0x2a0 [ 179.686445][ T6442] task_work_run+0x1d9/0x260 [ 179.686460][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 179.686478][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 179.686488][ T6442] ? rcu_is_watching+0x16/0xb0 [ 179.686502][ T6442] do_syscall_64+0x328/0x520 [ 179.686514][ T6442] ? trace_irq_disable+0x3b/0x140 [ 179.686525][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 179.686536][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 179.686548][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 179.686559][ T6442] RIP: 0033:0x7fef242fda57 [ 179.686578][ T6442] Code: a2 c7 05 9c fc 24 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 [ 179.686587][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 179.686598][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 179.686606][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 179.686612][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 179.686618][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 179.686625][ T6442] R13: 00007fef24392048 R14: 000000000002bb72 R15: 00007ffe4e5a4ea0 [ 179.686641][ T6442] [ 179.686824][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 180.369288][ T6693] loop0: detected capacity change from 0 to 32768 [ 180.395138][ T6693] Bad index:0 in slot in dtroot [ 180.395138][ T6693] [ 180.395157][ T6693] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 180.395157][ T6693] [ 180.395482][ T6693] ERROR: (device loop0): remounting filesystem as read-only [ 180.717098][ T6693] loop0: detected capacity change from 0 to 40427 [ 180.721354][ T6693] F2FS-fs: heap/no_heap options were deprecated [ 180.728467][ T6693] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 180.728489][ T6693] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 180.734171][ T6693] F2FS-fs (loop0): invalid crc value [ 180.860550][ T6693] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 180.876895][ T6693] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 180.876925][ T6693] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 2026/11/04 22:28:17 executed programs: 18 [ 181.191208][ T6442] syz-executor: attempt to access beyond end of device [ 181.191208][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 181.195096][ T6442] CPU: 0 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 181.195122][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 181.195132][ T6442] Call Trace: [ 181.195139][ T6442] [ 181.195147][ T6442] dump_stack_lvl+0xe8/0x150 [ 181.195181][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 181.195207][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 181.195248][ T6442] __submit_merged_bio+0x258/0x6a0 [ 181.195267][ T6442] ? rcu_is_watching+0x16/0xb0 [ 181.195294][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 181.195316][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 181.195354][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 181.195414][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 181.195436][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 181.195473][ T6442] ? arch_stack_walk+0xfb/0x150 [ 181.195536][ T6442] ? __lock_acquire+0x747/0x2de0 [ 181.195573][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 181.195597][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 181.195610][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 181.195628][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 181.195641][ T6442] do_writepages+0x338/0x560 [ 181.195660][ T6442] ? rt_spin_unlock+0x159/0x200 [ 181.195680][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 181.195698][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 181.195712][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 181.195745][ T6442] ? rt_spin_unlock+0x159/0x200 [ 181.195762][ T6442] ? rt_spin_unlock+0x165/0x200 [ 181.195784][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 181.195807][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 181.195840][ T6442] kill_f2fs_super+0x2df/0x700 [ 181.195857][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 181.195873][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 181.195885][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 181.195907][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 181.195922][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 181.195935][ T6442] deactivate_locked_super+0xbe/0x110 [ 181.195952][ T6442] cleanup_mnt+0x204/0x2a0 [ 181.195965][ T6442] task_work_run+0x1d9/0x260 [ 181.195980][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 181.195999][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 181.196012][ T6442] ? rcu_is_watching+0x16/0xb0 [ 181.196026][ T6442] do_syscall_64+0x328/0x520 [ 181.196050][ T6442] ? trace_irq_disable+0x3b/0x140 [ 181.196061][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.196071][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 181.196084][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 181.196094][ T6442] RIP: 0033:0x7fef242fda57 [ 181.196106][ T6442] Code: a2 c7 05 9c fc 24 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 [ 181.196115][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 181.196126][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 181.196133][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 181.196139][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 181.196146][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 181.196152][ T6442] R13: 00007fef24392048 R14: 000000000002c17e R15: 00007ffe4e5a4ea0 [ 181.196169][ T6442] [ 181.232078][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 181.950685][ T6701] loop0: detected capacity change from 0 to 32768 [ 181.960526][ T6701] Bad index:0 in slot in dtroot [ 181.960526][ T6701] [ 181.960543][ T6701] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 181.960543][ T6701] [ 181.962569][ T6701] ERROR: (device loop0): remounting filesystem as read-only [ 182.309521][ T6701] loop0: detected capacity change from 0 to 40427 [ 182.310735][ T6701] F2FS-fs: heap/no_heap options were deprecated [ 182.314648][ T6701] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 182.314671][ T6701] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 182.340175][ T6701] F2FS-fs (loop0): invalid crc value [ 182.445425][ T6701] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 182.476528][ T6701] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 182.476558][ T6701] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 182.841316][ T6442] syz-executor: attempt to access beyond end of device [ 182.841316][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 182.845259][ T6442] CPU: 1 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 182.845284][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 182.845294][ T6442] Call Trace: [ 182.845301][ T6442] [ 182.845309][ T6442] dump_stack_lvl+0xe8/0x150 [ 182.845343][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 182.845369][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 182.845409][ T6442] __submit_merged_bio+0x258/0x6a0 [ 182.845428][ T6442] ? rcu_is_watching+0x16/0xb0 [ 182.845455][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 182.845477][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 182.845514][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 182.845574][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 182.845595][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 182.845632][ T6442] ? arch_stack_walk+0xfb/0x150 [ 182.845691][ T6442] ? __lock_acquire+0x747/0x2de0 [ 182.845728][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 182.845769][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 182.845783][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 182.845801][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 182.845815][ T6442] do_writepages+0x338/0x560 [ 182.845839][ T6442] ? rt_spin_unlock+0x159/0x200 [ 182.845859][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 182.845877][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 182.845891][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 182.845924][ T6442] ? rt_spin_unlock+0x159/0x200 [ 182.845941][ T6442] ? rt_spin_unlock+0x165/0x200 [ 182.845957][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 182.845980][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 182.846012][ T6442] kill_f2fs_super+0x2df/0x700 [ 182.846029][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 182.846045][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 182.846056][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 182.846078][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 182.846092][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 182.846106][ T6442] deactivate_locked_super+0xbe/0x110 [ 182.846122][ T6442] cleanup_mnt+0x204/0x2a0 [ 182.846155][ T6442] task_work_run+0x1d9/0x260 [ 182.846172][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 182.846190][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 182.846201][ T6442] ? rcu_is_watching+0x16/0xb0 [ 182.846215][ T6442] do_syscall_64+0x328/0x520 [ 182.846226][ T6442] ? trace_irq_disable+0x3b/0x140 [ 182.846237][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 182.846248][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 182.846261][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 182.846272][ T6442] RIP: 0033:0x7fef242fda57 [ 182.846284][ T6442] Code: a2 c7 05 9c fc 24 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 [ 182.846293][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 182.846305][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 182.846312][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 182.846318][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 182.846325][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 182.846334][ T6442] R13: 00007fef24392048 R14: 000000000002c8f6 R15: 00007ffe4e5a4ea0 [ 182.846351][ T6442] [ 182.846543][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 183.429217][ T6710] loop0: detected capacity change from 0 to 32768 [ 183.437711][ T6710] Bad index:0 in slot in dtroot [ 183.437711][ T6710] [ 183.437731][ T6710] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 183.437731][ T6710] [ 183.438022][ T6710] ERROR: (device loop0): remounting filesystem as read-only [ 183.794050][ T6710] loop0: detected capacity change from 0 to 40427 [ 183.795415][ T6710] F2FS-fs: heap/no_heap options were deprecated [ 183.818988][ T6710] F2FS-fs (loop0): Insane cp_payload (553648128 >= 504) [ 183.819013][ T6710] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 183.826267][ T6710] F2FS-fs (loop0): invalid crc value [ 183.945237][ T6710] F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0 [ 183.955813][ T6710] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 183.955843][ T6710] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5 [ 184.281521][ T6442] syz-executor: attempt to access beyond end of device [ 184.281521][ T6442] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427 [ 184.285700][ T6442] CPU: 1 UID: 0 PID: 6442 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 184.285727][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 184.285737][ T6442] Call Trace: [ 184.285744][ T6442] [ 184.285752][ T6442] dump_stack_lvl+0xe8/0x150 [ 184.285787][ T6442] f2fs_stop_checkpoint+0x3f9/0x5e0 [ 184.285811][ T6442] f2fs_write_end_bio+0x118e/0x15d0 [ 184.285850][ T6442] __submit_merged_bio+0x258/0x6a0 [ 184.285869][ T6442] ? rcu_is_watching+0x16/0xb0 [ 184.285896][ T6442] f2fs_submit_merged_write_cond+0x1ef/0x590 [ 184.285919][ T6442] ? __pfx_f2fs_submit_merged_write_cond+0x10/0x10 [ 184.285956][ T6442] f2fs_write_data_pages+0x2a13/0x36e0 [ 184.286015][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 184.286037][ T6442] ? is_bpf_text_address+0x26/0x2b0 [ 184.286074][ T6442] ? arch_stack_walk+0xfb/0x150 [ 184.286132][ T6442] ? __lock_acquire+0x747/0x2de0 [ 184.286170][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 184.286201][ T6442] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 184.286222][ T6442] ? rt_mutex_slowunlock+0x4ee/0xa30 [ 184.286241][ T6442] ? __pfx_f2fs_write_data_pages+0x10/0x10 [ 184.286254][ T6442] do_writepages+0x338/0x560 [ 184.286273][ T6442] ? rt_spin_unlock+0x159/0x200 [ 184.286293][ T6442] filemap_fdatawrite+0x1ec/0x2f0 [ 184.286311][ T6442] ? __pfx_filemap_fdatawrite+0x10/0x10 [ 184.286325][ T6442] ? do_raw_spin_lock+0x12b/0x2f0 [ 184.286358][ T6442] ? rt_spin_unlock+0x159/0x200 [ 184.286375][ T6442] ? rt_spin_unlock+0x165/0x200 [ 184.286391][ T6442] f2fs_sync_dirty_inodes+0x471/0x970 [ 184.286413][ T6442] f2fs_write_checkpoint+0x867/0x24d0 [ 184.286446][ T6442] kill_f2fs_super+0x2df/0x700 [ 184.286462][ T6442] ? rcu_do_enqueue+0x616/0x870 [ 184.286479][ T6442] ? lockdep_hardirqs_on+0x7b/0x110 [ 184.286491][ T6442] ? __pfx_kill_f2fs_super+0x10/0x10 [ 184.286513][ T6442] ? __pfx_call_rcu+0x10/0x10 [ 184.286528][ T6442] ? shrinker_free+0x2a7/0x3b0 [ 184.286541][ T6442] deactivate_locked_super+0xbe/0x110 [ 184.286558][ T6442] cleanup_mnt+0x204/0x2a0 [ 184.286571][ T6442] task_work_run+0x1d9/0x260 [ 184.286587][ T6442] ? __pfx_task_work_run+0x10/0x10 [ 184.286605][ T6442] exit_to_user_mode_loop+0x204/0x770 [ 184.286615][ T6442] ? rcu_is_watching+0x16/0xb0 [ 184.286629][ T6442] do_syscall_64+0x328/0x520 [ 184.286642][ T6442] ? trace_irq_disable+0x3b/0x140 [ 184.286652][ T6442] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 184.286663][ T6442] ? clear_bhb_loop+0x70/0xc0 [ 184.286676][ T6442] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 184.286686][ T6442] RIP: 0033:0x7fef242fda57 [ 184.286698][ T6442] Code: a2 c7 05 9c fc 24 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 [ 184.286707][ T6442] RSP: 002b:00007ffe4e5a3d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 184.286721][ T6442] RAX: 0000000000000000 RBX: 00007fef24392048 RCX: 00007fef242fda57 [ 184.286728][ T6442] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe4e5a3dd0 [ 184.286734][ T6442] RBP: 00007ffe4e5a3dd0 R08: 00007ffe4e5a4dd0 R09: 00000000ffffffff [ 184.286741][ T6442] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe4e5a4e60 [ 184.286747][ T6442] R13: 00007fef24392048 R14: 000000000002ce9d R15: 00007ffe4e5a4ea0 [ 184.286763][ T6442] [ 184.286941][ T6442] F2FS-fs (loop0): Remounting filesystem read-only [ 184.862238][ T6720] loop0: detected capacity change from 0 to 32768 [ 184.886708][ T6720] Bad index:0 in slot in dtroot [ 184.886708][ T6720] [ 184.886727][ T6720] ERROR: (device loop0): copy_from_dinode: Corrupt dtroot [ 184.886727][ T6720] [ 184.887031][ T6720] ERROR: (device loop0): remounting filesystem as read-only [ 184.920615][ T1598] ================================================================== [ 184.920634][ T1598] BUG: KASAN: use-after-free in copy_folio_from_iter_atomic+0xbef/0x1a80 [ 184.920664][ T1598] Read of size 4096 at addr ffff888044af8000 by task kworker/u8:11/1598 [ 184.920680][ T1598] [ 184.920691][ T1598] CPU: 1 UID: 0 PID: 1598 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 184.920711][ T1598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 184.920722][ T1598] Workqueue: loop0 loop_workfn [ 184.920748][ T1598] Call Trace: [ 184.920755][ T1598] [ 184.920763][ T1598] dump_stack_lvl+0xe8/0x150 [ 184.920792][ T1598] print_address_description+0x55/0x1e0 [ 184.920819][ T1598] ? copy_folio_from_iter_atomic+0xbef/0x1a80 [ 184.920839][ T1598] print_report+0x58/0x70 [ 184.920862][ T1598] kasan_report+0x117/0x150 [ 184.920886][ T1598] ? copy_folio_from_iter_atomic+0xbef/0x1a80 [ 184.920910][ T1598] kasan_check_range+0x264/0x2c0 [ 184.920931][ T1598] ? copy_folio_from_iter_atomic+0xbef/0x1a80 [ 184.920952][ T1598] __asan_memcpy+0x29/0x70 [ 184.920979][ T1598] copy_folio_from_iter_atomic+0xbef/0x1a80 [ 184.921008][ T1598] ? __pfx_copy_folio_from_iter_atomic+0x10/0x10 [ 184.921029][ T1598] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0 [ 184.921052][ T1598] ? shmem_write_begin+0x1ce/0x320 [ 184.921075][ T1598] generic_perform_write+0x5a8/0x8a0 [ 184.921102][ T1598] ? __pfx_generic_perform_write+0x10/0x10 [ 184.921120][ T1598] ? rt_mutex_post_schedule+0x49/0xf0 [ 184.921154][ T1598] ? generic_write_checks_count+0x426/0x530 [ 184.921177][ T1598] ? file_update_time_flags+0x2db/0x450 [ 184.921196][ T1598] shmem_file_write_iter+0xfb/0x120 [ 184.921224][ T1598] lo_rw_aio+0xe1b/0x1100 [ 184.921252][ T1598] ? __pfx_lo_rw_aio+0x10/0x10 [ 184.921277][ T1598] ? kthread_associate_blkcg+0x4c0/0x660 [ 184.921298][ T1598] ? rt_spin_unlock+0x165/0x200 [ 184.921325][ T1598] loop_process_work+0x638/0x11d0 [ 184.921355][ T1598] ? __pfx_loop_process_work+0x10/0x10 [ 184.921377][ T1598] ? look_up_lock_class+0x57/0x110 [ 184.921396][ T1598] ? register_lock_class+0x31/0x2e0 [ 184.921424][ T1598] ? __lock_acquire+0x747/0x2de0 [ 184.921453][ T1598] ? do_raw_spin_lock+0x12b/0x2f0 [ 184.921480][ T1598] ? lock_acquire+0x115/0x350 [ 184.921508][ T1598] ? rcu_is_watching+0x16/0xb0 [ 184.921530][ T1598] ? process_scheduled_works+0x97a/0x1630 [ 184.921555][ T1598] process_scheduled_works+0xc3d/0x1630 [ 184.921591][ T1598] ? __pfx_process_scheduled_works+0x10/0x10 [ 184.921619][ T1598] ? assign_work+0x3cf/0x5d0 [ 184.921644][ T1598] worker_thread+0xa47/0xfb0 [ 184.921667][ T1598] ? __kthread_parkme+0x71/0x1f0 [ 184.921690][ T1598] kthread+0x38b/0x470 [ 184.921710][ T1598] ? __pfx_worker_thread+0x10/0x10 [ 184.921726][ T1598] ? __pfx_kthread+0x10/0x10 [ 184.921746][ T1598] ret_from_fork+0x514/0xb70 [ 184.921769][ T1598] ? __pfx_ret_from_fork+0x10/0x10 [ 184.921787][ T1598] ? __switch_to+0xc78/0x1410 [ 184.921805][ T1598] ? __pfx_kthread+0x10/0x10 [ 184.921824][ T1598] ret_from_fork_asm+0x1a/0x30 [ 184.921848][ T1598] [ 184.921854][ T1598] [ 184.921859][ T1598] The buggy address belongs to the physical page: [ 184.921891][ T1598] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888044af8280 pfn:0x44af8 [ 184.921914][ T1598] flags: 0x80000000000000(node=0|zone=1) [ 184.921939][ T1598] raw: 0080000000000000 ffffea0000e89988 ffffea0000dbe188 0000000000000000 [ 184.921953][ T1598] raw: ffff888044af8280 0000000000000000 00000000ffffffff 0000000000000000 [ 184.921961][ T1598] page dumped because: kasan: bad access detected [ 184.921974][ T1598] page_owner tracks the page as freed [ 184.921981][ T1598] page last allocated via order 0, migratetype Unmovable, gfp_mask 0xdc0(GFP_KERNEL|__GFP_ZERO), pid 6720, tgid 6719 (syz.0.35), ts 184880440684 [ 184.922005][ T1598] post_alloc_hook+0x1f9/0x250 [ 184.922030][ T1598] get_page_from_freelist+0x258b/0x2600 [ 184.922049][ T1598] __alloc_frozen_pages_noprof+0x227/0x440 [ 184.922066][ T1598] alloc_pages_mpol+0xd4/0x280 [ 184.922086][ T1598] alloc_pages_noprof+0xd2/0x2f0 [ 184.922104][ T1598] lmLogInit+0x357/0x1a20 [ 184.922127][ T1598] lmLogOpen+0x4e3/0xf90 [ 184.922156][ T1598] jfs_mount_rw+0xf3/0x670 [ 184.922178][ T1598] jfs_fill_super+0x769/0xda0 [ 184.922195][ T1598] get_tree_bdev_flags+0x436/0x500 [ 184.922210][ T1598] vfs_get_tree+0x92/0x2a0 [ 184.922224][ T1598] do_new_mount+0x325/0xb00 [ 184.922246][ T1598] __se_sys_mount+0x31d/0x420 [ 184.922267][ T1598] do_syscall_64+0x166/0x520 [ 184.922285][ T1598] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 184.922301][ T1598] page last free pid 6720 tgid 6719 ts 184918068771 stack trace: [ 184.922312][ T1598] __free_frozen_pages+0xf8a/0x1060 [ 184.922336][ T1598] lmLogShutdown+0x44e/0x850 [ 184.922360][ T1598] lmLogClose+0x28c/0x530 [ 184.922383][ T1598] jfs_umount+0x2da/0x3b0 [ 184.922404][ T1598] jfs_fill_super+0x9ed/0xda0 [ 184.922422][ T1598] get_tree_bdev_flags+0x436/0x500 [ 184.922437][ T1598] vfs_get_tree+0x92/0x2a0 [ 184.922452][ T1598] do_new_mount+0x325/0xb00 [ 184.922472][ T1598] __se_sys_mount+0x31d/0x420 [ 184.922492][ T1598] do_syscall_64+0x166/0x520 [ 184.922509][ T1598] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 184.922524][ T1598] [ 184.922528][ T1598] Memory state around the buggy address: [ 184.922538][ T1598] ffff888044af7f00: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 184.922549][ T1598] ffff888044af7f80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 184.922561][ T1598] >ffff888044af8000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 184.922569][ T1598] ^ [ 184.922576][ T1598] ffff888044af8080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 184.922587][ T1598] ffff888044af8100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 184.922595][ T1598] ================================================================== [ 184.922737][ T1598] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 185.492474][ T1598] CPU: 1 UID: 0 PID: 1598 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 185.502631][ T1598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 185.512902][ T1598] Workqueue: loop0 loop_workfn [ 185.518286][ T1598] Call Trace: [ 185.521655][ T1598] [ 185.524845][ T1598] vpanic+0x26f/0x710 [ 185.529101][ T1598] panic+0xc5/0xd0 [ 185.532822][ T1598] ? __pfx_panic+0x10/0x10 [ 185.537237][ T1598] ? preempt_schedule_thunk+0x16/0x40 [ 185.542734][ T1598] ? copy_folio_from_iter_atomic+0xbef/0x1a80 [ 185.548976][ T1598] ? preempt_schedule_thunk+0x16/0x40 [ 185.554440][ T1598] ? copy_folio_from_iter_atomic+0xbef/0x1a80 [ 185.560594][ T1598] check_panic_on_warn+0x89/0xb0 [ 185.565799][ T1598] ? copy_folio_from_iter_atomic+0xbef/0x1a80 [ 185.572211][ T1598] end_report+0x73/0x170 [ 185.576450][ T1598] ? copy_folio_from_iter_atomic+0xbef/0x1a80 [ 185.582685][ T1598] kasan_report+0x128/0x150 [ 185.587369][ T1598] ? copy_folio_from_iter_atomic+0xbef/0x1a80 [ 185.593433][ T1598] kasan_check_range+0x264/0x2c0 [ 185.598431][ T1598] ? copy_folio_from_iter_atomic+0xbef/0x1a80 [ 185.604496][ T1598] __asan_memcpy+0x29/0x70 [ 185.608910][ T1598] copy_folio_from_iter_atomic+0xbef/0x1a80 [ 185.615099][ T1598] ? __pfx_copy_folio_from_iter_atomic+0x10/0x10 [ 185.621508][ T1598] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0 [ 185.627571][ T1598] ? shmem_write_begin+0x1ce/0x320 [ 185.632689][ T1598] generic_perform_write+0x5a8/0x8a0 [ 185.638076][ T1598] ? __pfx_generic_perform_write+0x10/0x10 [ 185.643971][ T1598] ? rt_mutex_post_schedule+0x49/0xf0 [ 185.649561][ T1598] ? generic_write_checks_count+0x426/0x530 [ 185.655844][ T1598] ? file_update_time_flags+0x2db/0x450 [ 185.661599][ T1598] shmem_file_write_iter+0xfb/0x120 [ 185.667188][ T1598] lo_rw_aio+0xe1b/0x1100 [ 185.671620][ T1598] ? __pfx_lo_rw_aio+0x10/0x10 [ 185.676881][ T1598] ? kthread_associate_blkcg+0x4c0/0x660 [ 185.682525][ T1598] ? rt_spin_unlock+0x165/0x200 [ 185.687391][ T1598] loop_process_work+0x638/0x11d0 [ 185.692444][ T1598] ? __pfx_loop_process_work+0x10/0x10 [ 185.698008][ T1598] ? look_up_lock_class+0x57/0x110 [ 185.703217][ T1598] ? register_lock_class+0x31/0x2e0 [ 185.708738][ T1598] ? __lock_acquire+0x747/0x2de0 [ 185.713744][ T1598] ? do_raw_spin_lock+0x12b/0x2f0 [ 185.718788][ T1598] ? lock_acquire+0x115/0x350 [ 185.723464][ T1598] ? rcu_is_watching+0x16/0xb0 [ 185.728230][ T1598] ? process_scheduled_works+0x97a/0x1630 [ 185.734042][ T1598] process_scheduled_works+0xc3d/0x1630 [ 185.739607][ T1598] ? __pfx_process_scheduled_works+0x10/0x10 [ 185.745859][ T1598] ? assign_work+0x3cf/0x5d0 [ 185.750473][ T1598] worker_thread+0xa47/0xfb0 [ 185.755066][ T1598] ? __kthread_parkme+0x71/0x1f0 [ 185.760030][ T1598] kthread+0x38b/0x470 [ 185.764098][ T1598] ? __pfx_worker_thread+0x10/0x10 [ 185.769302][ T1598] ? __pfx_kthread+0x10/0x10 [ 185.773901][ T1598] ret_from_fork+0x514/0xb70 [ 185.778709][ T1598] ? __pfx_ret_from_fork+0x10/0x10 [ 185.783829][ T1598] ? __switch_to+0xc78/0x1410 [ 185.788603][ T1598] ? __pfx_kthread+0x10/0x10 [ 185.793200][ T1598] ret_from_fork_asm+0x1a/0x30 [ 185.797966][ T1598] [ 185.801292][ T1598] Kernel Offset: disabled [ 185.805783][ T1598] Rebooting in 86400 seconds..