Warning: Permanently added '10.128.0.203' (ED25519) to the list of known hosts. 2025/11/07 09:57:14 parsed 1 programs [ 87.110866][ T5794] cgroup: Unknown subsys name 'net' [ 87.232757][ T5794] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 88.969032][ T5794] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 91.855011][ T5835] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 91.863526][ T5835] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 91.872300][ T5835] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 91.880790][ T5835] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 91.889067][ T5835] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 91.896496][ T5835] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 92.129630][ T787] cfg80211: failed to load regulatory.db [ 92.215294][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.223589][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.265793][ T1111] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 92.273682][ T1111] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 92.806628][ T5852] chnl_net:caif_netlink_parms(): no params data found [ 92.921654][ T5852] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.929878][ T5852] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.940056][ T5852] bridge_slave_0: entered allmulticast mode [ 92.950209][ T5852] bridge_slave_0: entered promiscuous mode [ 92.976157][ T5852] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.983331][ T5852] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.990873][ T5852] bridge_slave_1: entered allmulticast mode [ 92.998521][ T5852] bridge_slave_1: entered promiscuous mode [ 93.047314][ T5852] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 93.058941][ T5852] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 93.115033][ T5852] team0: Port device team_slave_0 added [ 93.123211][ T5852] team0: Port device team_slave_1 added [ 93.153074][ T5852] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 93.160391][ T5852] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 93.186385][ T5852] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 93.211277][ T5852] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 93.219089][ T5852] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 93.245051][ T5852] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 93.290722][ T5852] hsr_slave_0: entered promiscuous mode [ 93.302785][ T5852] hsr_slave_1: entered promiscuous mode [ 93.551195][ T5852] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.563565][ T5852] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.576081][ T5852] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.588231][ T5852] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.628194][ T5852] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.635606][ T5852] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.643846][ T5852] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.651039][ T5852] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.744825][ T5852] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.762783][ T11] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.772830][ T11] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.798199][ T5852] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.825643][ T59] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.832775][ T59] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.850986][ T1122] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.858217][ T1122] bridge0: port 2(bridge_slave_1) entered forwarding state [ 94.070738][ T5852] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 94.117850][ T5852] veth0_vlan: entered promiscuous mode [ 94.136023][ T5852] veth1_vlan: entered promiscuous mode [ 94.167376][ T5852] veth0_macvtap: entered promiscuous mode [ 94.182127][ T5852] veth1_macvtap: entered promiscuous mode [ 94.202008][ T5852] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 94.222304][ T5852] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 94.235467][ T5852] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.244698][ T5852] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.253433][ T5852] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.262958][ T5852] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.468978][ T1122] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/11/07 09:57:26 executed programs: 0 [ 96.205697][ T5835] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 96.214537][ T5835] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 96.222334][ T5835] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 96.232169][ T5835] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 96.241471][ T5835] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 96.249483][ T5835] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 96.419033][ T5899] chnl_net:caif_netlink_parms(): no params data found [ 96.494111][ T5899] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.501302][ T5899] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.508943][ T5899] bridge_slave_0: entered allmulticast mode [ 96.516057][ T5899] bridge_slave_0: entered promiscuous mode [ 96.524956][ T5899] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.532142][ T5899] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.539450][ T5899] bridge_slave_1: entered allmulticast mode [ 96.546540][ T5899] bridge_slave_1: entered promiscuous mode [ 96.579124][ T5899] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 96.591028][ T5899] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 96.628177][ T5899] team0: Port device team_slave_0 added [ 96.637108][ T5899] team0: Port device team_slave_1 added [ 96.666026][ T5899] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 96.673023][ T5899] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 96.699366][ T5899] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 96.711694][ T5899] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 96.718732][ T5899] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 96.744870][ T5899] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 96.791695][ T5899] hsr_slave_0: entered promiscuous mode [ 96.798826][ T5899] hsr_slave_1: entered promiscuous mode [ 96.805399][ T5899] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 96.813351][ T5899] Cannot create hsr debugfs directory [ 96.916606][ T1122] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.344576][ T5835] Bluetooth: hci0: command tx timeout [ 99.387291][ T1122] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.470769][ T1122] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 100.377550][ T5899] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.397196][ T1122] hsr_slave_0: left promiscuous mode [ 100.403668][ T1122] hsr_slave_1: left promiscuous mode [ 100.411731][ T1122] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 100.420018][ T1122] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 100.425061][ T5835] Bluetooth: hci0: command tx timeout [ 100.436145][ T1122] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 100.443595][ T1122] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 100.454663][ T1122] bridge_slave_1: left allmulticast mode [ 100.460370][ T1122] bridge_slave_1: left promiscuous mode [ 100.470084][ T1122] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.483643][ T1122] bridge_slave_0: left allmulticast mode [ 100.492718][ T1122] bridge_slave_0: left promiscuous mode [ 100.499621][ T1122] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.535533][ T1122] veth1_macvtap: left promiscuous mode [ 100.541494][ T1122] veth0_macvtap: left promiscuous mode [ 100.547769][ T1122] veth1_vlan: left promiscuous mode [ 100.553390][ T1122] veth0_vlan: left promiscuous mode [ 100.995201][ T1122] team0 (unregistering): Port device team_slave_1 removed [ 101.026864][ T1122] team0 (unregistering): Port device team_slave_0 removed [ 101.060422][ T1122] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 101.096890][ T1122] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 101.413896][ T1122] bond0 (unregistering): Released all slaves [ 101.505581][ T5899] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 101.519049][ T5899] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 101.529000][ T5899] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 101.626791][ T5899] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.664555][ T5899] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.677541][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.684724][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.709595][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.716900][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.947888][ T5899] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.992900][ T5899] veth0_vlan: entered promiscuous mode [ 102.008570][ T5899] veth1_vlan: entered promiscuous mode [ 102.060267][ T5899] veth0_macvtap: entered promiscuous mode [ 102.071625][ T5899] veth1_macvtap: entered promiscuous mode [ 102.100512][ T5899] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 102.133367][ T5899] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 102.156016][ T5899] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.165566][ T5899] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.174803][ T5899] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.183555][ T5899] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 102.248777][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.261853][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.309478][ T1111] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 102.318154][ T1111] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.377411][ T5944] syz.0.17[5944]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 102.391049][ T5944] loop0: detected capacity change from 0 to 16 [ 102.422931][ T5944] erofs: (device loop0): mounted with root inode @ nid 36. [ 102.437319][ T5944] syz.0.17: attempt to access beyond end of device [ 102.437319][ T5944] loop0: rw=524288, sector=16, nr_sectors = 32 limit=16 [ 102.459485][ T5944] syz.0.17: attempt to access beyond end of device [ 102.459485][ T5944] loop0: rw=524288, sector=8, nr_sectors = 32 limit=16 [ 102.476887][ T5944] syz.0.17: attempt to access beyond end of device [ 102.476887][ T5944] loop0: rw=0, sector=8, nr_sectors = 32 limit=16 [ 102.504028][ T5835] Bluetooth: hci0: command tx timeout [ 102.517486][ T5899] BUG: Bad page state in process syz-executor pfn:23481 [ 102.525194][ T5899] page:ffffea00008d2040 refcount:0 mapcount:0 mapping:ffff88805f5287c8 index:0x2 pfn:0x23481 [ 102.536940][ T5899] aops:z_erofs_cache_aops ino:0 [ 102.541860][ T5899] flags: 0xfff00000000001(locked|node=0|zone=1|lastcpupid=0x7ff) [ 102.549728][ T5899] page_type: 0xffffffff() [ 102.554242][ T5899] raw: 00fff00000000001 dead000000000100 dead000000000122 ffff88805f5287c8 [ 102.562969][ T5899] raw: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000 [ 102.571659][ T5899] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 102.579053][ T5899] page_owner tracks the page as allocated [ 102.585173][ T5899] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x192840(GFP_NOWAIT|__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5944, tgid 5944 (syz.0.17), ts 102436691578, free_ts 102339749783 [ 102.607177][ T5899] post_alloc_hook+0x1cd/0x210 [ 102.612091][ T5899] get_page_from_freelist+0x195c/0x19f0 [ 102.617838][ T5899] __alloc_pages+0x1e3/0x460 [ 102.622475][ T5899] z_erofs_do_read_page+0x20c0/0x3680 [ 102.627965][ T5899] z_erofs_readahead+0x862/0xd50 [ 102.633909][ T5899] read_pages+0x177/0x840 [ 102.638302][ T5899] page_cache_ra_unbounded+0x692/0x770 [ 102.643996][ T5899] force_page_cache_ra+0x2c1/0x320 [ 102.649164][ T5899] generic_fadvise+0x44f/0x730 [ 102.654033][ T5899] __x64_sys_fadvise64+0x140/0x180 [ 102.659213][ T5899] do_syscall_64+0x55/0xb0 [ 102.663674][ T5899] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 102.669793][ T5899] page last free stack trace: [ 102.674549][ T5899] free_unref_page_prepare+0x7ce/0x8e0 [ 102.680061][ T5899] free_unref_page+0x32/0x2e0 [ 102.684901][ T5899] __unfreeze_partials+0x1cf/0x210 [ 102.690074][ T5899] put_cpu_partial+0x17c/0x250 [ 102.694940][ T5899] __slab_free+0x31d/0x410 [ 102.699408][ T5899] qlist_free_all+0x75/0xe0 [ 102.704053][ T5899] kasan_quarantine_reduce+0x143/0x160 [ 102.709563][ T5899] __kasan_slab_alloc+0x22/0x80 [ 102.714509][ T5899] slab_post_alloc_hook+0x6e/0x4d0 [ 102.719762][ T5899] kmem_cache_alloc+0x11e/0x2e0 [ 102.724763][ T5899] getname_kernel+0x5a/0x2f0 [ 102.729412][ T5899] kern_path+0x1d/0x50 [ 102.733857][ T5899] do_loopback+0xc6/0x4f0 [ 102.738243][ T5899] __se_sys_mount+0x2da/0x3c0 [ 102.742959][ T5899] do_syscall_64+0x55/0xb0 [ 102.747522][ T5899] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 102.753569][ T5899] Modules linked in: [ 102.757722][ T5899] CPU: 1 PID: 5899 Comm: syz-executor Not tainted syzkaller #0 [ 102.765304][ T5899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 102.775415][ T5899] Call Trace: [ 102.778730][ T5899] [ 102.781699][ T5899] dump_stack_lvl+0x16c/0x230 [ 102.786429][ T5899] ? show_regs_print_info+0x20/0x20 [ 102.791668][ T5899] ? swiotlb_print_info+0x70/0x70 [ 102.796742][ T5899] bad_page+0x14b/0x170 [ 102.800940][ T5899] free_unref_page_prepare+0x887/0x8e0 [ 102.806459][ T5899] free_unref_page+0x32/0x2e0 [ 102.811189][ T5899] ? __folio_put+0xef/0x210 [ 102.815735][ T5899] erofs_try_to_free_all_cached_pages+0x295/0x600 [ 102.822203][ T5899] erofs_shrink_workstation+0x118/0x290 [ 102.827818][ T5899] ? erofs_shrinker_unregister+0x170/0x170 [ 102.833671][ T5899] ? io_schedule+0xd0/0xd0 [ 102.838135][ T5899] ? kobject_put+0x43c/0x470 [ 102.842770][ T5899] erofs_shrinker_unregister+0x5d/0x170 [ 102.848373][ T5899] erofs_put_super+0x4e/0x150 [ 102.853095][ T5899] ? erofs_free_inode+0xb0/0xb0 [ 102.857988][ T5899] generic_shutdown_super+0x134/0x2b0 [ 102.863386][ T5899] kill_block_super+0x44/0x90 [ 102.868080][ T5899] erofs_kill_sb+0x4c/0x140 [ 102.872606][ T5899] deactivate_locked_super+0x97/0x100 [ 102.878003][ T5899] cleanup_mnt+0x429/0x4c0 [ 102.882622][ T5899] task_work_run+0x1ce/0x250 [ 102.887238][ T5899] ? task_work_cancel+0x240/0x240 [ 102.892292][ T5899] ? exit_to_user_mode_loop+0x3b/0x110 [ 102.897783][ T5899] exit_to_user_mode_loop+0xe6/0x110 [ 102.903099][ T5899] exit_to_user_mode_prepare+0xf6/0x180 [ 102.908665][ T5899] syscall_exit_to_user_mode+0x1a/0x50 [ 102.914135][ T5899] do_syscall_64+0x61/0xb0 [ 102.918570][ T5899] ? clear_bhb_loop+0x40/0x90 [ 102.923259][ T5899] ? clear_bhb_loop+0x40/0x90 [ 102.927951][ T5899] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 102.933854][ T5899] RIP: 0033:0x7f37499909f7 [ 102.938391][ T5899] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8 [ 102.958037][ T5899] RSP: 002b:00007ffd36cf8268 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 102.966468][ T5899] RAX: 0000000000000000 RBX: 00007f3749a11d7d RCX: 00007f37499909f7 [ 102.974454][ T5899] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd36cf8320 [ 102.982453][ T5899] RBP: 00007ffd36cf8320 R08: 0000000000000000 R09: 0000000000000000 [ 102.990449][ T5899] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd36cf93b0 [ 102.998516][ T5899] R13: 00007f3749a11d7d R14: 0000000000019029 R15: 00007ffd36cf93f0 [ 103.006518][ T5899] [ 103.010309][ T5899] Disabling lock debugging due to kernel taint [ 103.016590][ T5899] BUG: Bad page state in process syz-executor pfn:7e9a1 [ 103.023635][ T5899] page:ffffea0001fa6840 refcount:0 mapcount:0 mapping:ffff88805f5287c8 index:0x3 pfn:0x7e9a1 [ 103.033868][ T5899] aops:z_erofs_cache_aops ino:0 [ 103.038844][ T5899] flags: 0xfff00000000001(locked|node=0|zone=1|lastcpupid=0x7ff) [ 103.046945][ T5899] page_type: 0xffffffff() [ 103.051303][ T5899] raw: 00fff00000000001 dead000000000100 dead000000000122 ffff88805f5287c8 [ 103.060012][ T5899] raw: 0000000000000003 0000000000000000 00000000ffffffff 0000000000000000 [ 103.068804][ T5899] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 103.076139][ T5899] page_owner tracks the page as allocated [ 103.081871][ T5899] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x192840(GFP_NOWAIT|__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5944, tgid 5944 (syz.0.17), ts 102436709907, free_ts 102339738543 [ 103.103812][ T5899] post_alloc_hook+0x1cd/0x210 [ 103.108618][ T5899] get_page_from_freelist+0x195c/0x19f0 [ 103.114250][ T5899] __alloc_pages+0x1e3/0x460 [ 103.118876][ T5899] z_erofs_do_read_page+0x20c0/0x3680 [ 103.124306][ T5899] z_erofs_readahead+0x862/0xd50 [ 103.129265][ T5899] read_pages+0x177/0x840 [ 103.133627][ T5899] page_cache_ra_unbounded+0x692/0x770 [ 103.139172][ T5899] force_page_cache_ra+0x2c1/0x320 [ 103.144613][ T5899] generic_fadvise+0x44f/0x730 [ 103.149506][ T5899] __x64_sys_fadvise64+0x140/0x180 [ 103.154738][ T5899] do_syscall_64+0x55/0xb0 [ 103.159202][ T5899] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 103.165157][ T5899] page last free stack trace: [ 103.169855][ T5899] free_unref_page_prepare+0x7ce/0x8e0 [ 103.175573][ T5899] free_unref_page+0x32/0x2e0 [ 103.180285][ T5899] __unfreeze_partials+0x1cf/0x210 [ 103.185473][ T5899] put_cpu_partial+0x17c/0x250 [ 103.190273][ T5899] __slab_free+0x31d/0x410 [ 103.194780][ T5899] qlist_free_all+0x75/0xe0 [ 103.199313][ T5899] kasan_quarantine_reduce+0x143/0x160 [ 103.204842][ T5899] __kasan_slab_alloc+0x22/0x80 [ 103.209731][ T5899] slab_post_alloc_hook+0x6e/0x4d0 [ 103.214931][ T5899] kmem_cache_alloc+0x11e/0x2e0 [ 103.219813][ T5899] getname_kernel+0x5a/0x2f0 [ 103.224513][ T5899] kern_path+0x1d/0x50 [ 103.228623][ T5899] do_loopback+0xc6/0x4f0 [ 103.232998][ T5899] __se_sys_mount+0x2da/0x3c0 [ 103.237762][ T5899] do_syscall_64+0x55/0xb0 [ 103.242296][ T5899] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 103.248474][ T5899] Modules linked in: [ 103.252398][ T5899] CPU: 1 PID: 5899 Comm: syz-executor Tainted: G B syzkaller #0 [ 103.261534][ T5899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 103.271699][ T5899] Call Trace: [ 103.274996][ T5899] [ 103.277950][ T5899] dump_stack_lvl+0x16c/0x230 [ 103.282660][ T5899] ? show_regs_print_info+0x20/0x20 [ 103.287882][ T5899] ? swiotlb_print_info+0x70/0x70 [ 103.292922][ T5899] bad_page+0x14b/0x170 [ 103.297087][ T5899] free_unref_page_prepare+0x887/0x8e0 [ 103.302589][ T5899] free_unref_page+0x32/0x2e0 [ 103.307305][ T5899] ? __folio_put+0xef/0x210 [ 103.311833][ T5899] erofs_try_to_free_all_cached_pages+0x295/0x600 [ 103.318270][ T5899] erofs_shrink_workstation+0x118/0x290 [ 103.323840][ T5899] ? erofs_shrinker_unregister+0x170/0x170 [ 103.329667][ T5899] ? io_schedule+0xd0/0xd0 [ 103.334095][ T5899] ? kobject_put+0x43c/0x470 [ 103.338692][ T5899] erofs_shrinker_unregister+0x5d/0x170 [ 103.344257][ T5899] erofs_put_super+0x4e/0x150 [ 103.348951][ T5899] ? erofs_free_inode+0xb0/0xb0 [ 103.353818][ T5899] generic_shutdown_super+0x134/0x2b0 [ 103.359233][ T5899] kill_block_super+0x44/0x90 [ 103.363916][ T5899] erofs_kill_sb+0x4c/0x140 [ 103.368465][ T5899] deactivate_locked_super+0x97/0x100 [ 103.373875][ T5899] cleanup_mnt+0x429/0x4c0 [ 103.378316][ T5899] task_work_run+0x1ce/0x250 [ 103.382934][ T5899] ? task_work_cancel+0x240/0x240 [ 103.387989][ T5899] ? exit_to_user_mode_loop+0x3b/0x110 [ 103.393465][ T5899] exit_to_user_mode_loop+0xe6/0x110 [ 103.398784][ T5899] exit_to_user_mode_prepare+0xf6/0x180 [ 103.404346][ T5899] syscall_exit_to_user_mode+0x1a/0x50 [ 103.409813][ T5899] do_syscall_64+0x61/0xb0 [ 103.414264][ T5899] ? clear_bhb_loop+0x40/0x90 [ 103.418952][ T5899] ? clear_bhb_loop+0x40/0x90 [ 103.423640][ T5899] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 103.429547][ T5899] RIP: 0033:0x7f37499909f7 [ 103.433969][ T5899] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8 [ 103.453678][ T5899] RSP: 002b:00007ffd36cf8268 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 103.462121][ T5899] RAX: 0000000000000000 RBX: 00007f3749a11d7d RCX: 00007f37499909f7 [ 103.470100][ T5899] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd36cf8320 [ 103.478078][ T5899] RBP: 00007ffd36cf8320 R08: 0000000000000000 R09: 0000000000000000 [ 103.486056][ T5899] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd36cf93b0 [ 103.494039][ T5899] R13: 00007f3749a11d7d R14: 0000000000019029 R15: 00007ffd36cf93f0 [ 103.502031][ T5899] [ 103.505214][ T5899] BUG: Bad page state in process syz-executor pfn:7e9a7 [ 103.512265][ T5899] page:ffffea0001fa69c0 refcount:0 mapcount:0 mapping:ffff88805f5287c8 index:0x4 pfn:0x7e9a7 [ 103.522882][ T5899] aops:z_erofs_cache_aops ino:0 [ 103.527852][ T5899] flags: 0xfff00000000001(locked|node=0|zone=1|lastcpupid=0x7ff) [ 103.535636][ T5899] page_type: 0xffffffff() [ 103.539991][ T5899] raw: 00fff00000000001 dead000000000100 dead000000000122 ffff88805f5287c8 [ 103.548643][ T5899] raw: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 103.557532][ T5899] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 103.564916][ T5899] page_owner tracks the page as allocated [ 103.570653][ T5899] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x192840(GFP_NOWAIT|__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 5944, tgid 5944 (syz.0.17), ts 102436728200, free_ts 102339727260 [ 103.592539][ T5899] post_alloc_hook+0x1cd/0x210 [ 103.597415][ T5899] get_page_from_freelist+0x195c/0x19f0 [ 103.603100][ T5899] __alloc_pages+0x1e3/0x460 [ 103.607788][ T5899] z_erofs_do_read_page+0x20c0/0x3680 [ 103.613204][ T5899] z_erofs_readahead+0x862/0xd50 [ 103.618225][ T5899] read_pages+0x177/0x840 [ 103.622594][ T5899] page_cache_ra_unbounded+0x692/0x770 [ 103.628131][ T5899] force_page_cache_ra+0x2c1/0x320 [ 103.633283][ T5899] generic_fadvise+0x44f/0x730 [ 103.638131][ T5899] __x64_sys_fadvise64+0x140/0x180 [ 103.643279][ T5899] do_syscall_64+0x55/0xb0 [ 103.647785][ T5899] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 103.653945][ T5899] page last free stack trace: [ 103.658639][ T5899] free_unref_page_prepare+0x7ce/0x8e0 [ 103.664322][ T5899] free_unref_page+0x32/0x2e0 [ 103.669046][ T5899] __unfreeze_partials+0x1cf/0x210 [ 103.674228][ T5899] put_cpu_partial+0x17c/0x250 [ 103.679031][ T5899] __slab_free+0x31d/0