[   62.112388][  T144] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   62.181371][  T144] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   62.222768][  T144] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   62.854982][  T144] device hsr_slave_0 left promiscuous mode
[   62.861831][  T144] device hsr_slave_1 left promiscuous mode
[   62.870035][  T144] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[   62.878023][  T144] batman_adv: batadv0: Removing interface: batadv_slave_0
[   62.890425][  T144] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[   62.898376][  T144] batman_adv: batadv0: Removing interface: batadv_slave_1
[   62.907803][  T144] device bridge_slave_1 left promiscuous mode
[   62.914846][  T144] bridge0: port 2(bridge_slave_1) entered disabled state
[   62.934119][  T144] device bridge_slave_0 left promiscuous mode
[   62.940832][  T144] bridge0: port 1(bridge_slave_0) entered disabled state
[   62.964615][  T144] device veth1_macvtap left promiscuous mode
[   62.971724][  T144] device veth0_macvtap left promiscuous mode
[   62.978143][  T144] device veth1_vlan left promiscuous mode
[   62.984038][  T144] device veth0_vlan left promiscuous mode
[   63.104108][  T144] team0 (unregistering): Port device team_slave_1 removed
[   63.117337][  T144] team0 (unregistering): Port device team_slave_0 removed
[   63.129880][  T144] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[   63.146770][  T144] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[   63.192789][  T144] bond0 (unregistering): Released all slaves
Warning: Permanently added '10.128.1.165' (ED25519) to the list of known hosts.
2026/08/18 04:55:09 ignoring optional flag "type"="gce"
2026/08/18 04:55:09 parsed 1 programs
2026/08/18 04:55:11 executed programs: 0
[   67.022456][ T4388] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k FS
[   67.153017][ T4399] chnl_net:caif_netlink_parms(): no params data found
[   67.187724][ T4399] bridge0: port 1(bridge_slave_0) entered blocking state
[   67.194879][ T4399] bridge0: port 1(bridge_slave_0) entered disabled state
[   67.202668][ T4399] device bridge_slave_0 entered promiscuous mode
[   67.210700][ T4399] bridge0: port 2(bridge_slave_1) entered blocking state
[   67.218021][ T4399] bridge0: port 2(bridge_slave_1) entered disabled state
[   67.225650][ T4399] device bridge_slave_1 entered promiscuous mode
[   67.245147][ T4399] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   67.256088][ T4399] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   67.276427][ T4399] team0: Port device team_slave_0 added
[   67.284131][ T4399] team0: Port device team_slave_1 added
[   67.299954][ T4399] batman_adv: batadv0: Adding interface: batadv_slave_0
[   67.307290][ T4399] 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.
[   67.333577][ T4399] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   67.345390][ T4399] batman_adv: batadv0: Adding interface: batadv_slave_1
[   67.352475][ T4399] 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.
[   67.378676][ T4399] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   67.404712][ T4399] device hsr_slave_0 entered promiscuous mode
[   67.411891][ T4399] device hsr_slave_1 entered promiscuous mode
[   67.878561][ T4399] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   67.888664][ T4399] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   67.898374][ T4399] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   67.908964][ T4399] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   67.931667][ T4399] bridge0: port 2(bridge_slave_1) entered blocking state
[   67.938789][ T4399] bridge0: port 2(bridge_slave_1) entered forwarding state
[   67.946298][ T4399] bridge0: port 1(bridge_slave_0) entered blocking state
[   67.953384][ T4399] bridge0: port 1(bridge_slave_0) entered forwarding state
[   68.001474][ T4399] 8021q: adding VLAN 0 to HW filter on device bond0
[   68.018329][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   68.027862][    T9] bridge0: port 1(bridge_slave_0) entered disabled state
[   68.035857][    T9] bridge0: port 2(bridge_slave_1) entered disabled state
[   68.045749][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   68.061651][ T4399] 8021q: adding VLAN 0 to HW filter on device team0
[   68.074354][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   68.084609][    T9] bridge0: port 1(bridge_slave_0) entered blocking state
[   68.092038][    T9] bridge0: port 1(bridge_slave_0) entered forwarding state
[   68.117181][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   68.127603][  T144] bridge0: port 2(bridge_slave_1) entered blocking state
[   68.134713][  T144] bridge0: port 2(bridge_slave_1) entered forwarding state
[   68.144466][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   68.160475][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   68.172082][  T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   68.181543][  T151] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   68.196706][  T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   68.205504][  T151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   68.218930][ T4399] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   68.231770][ T4399] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   68.241265][  T151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   68.258910][  T151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   68.375163][ T4399] 8021q: adding VLAN 0 to HW filter on device batadv0
[   68.385384][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   68.394129][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   68.416106][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[   68.428336][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   68.449078][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[   68.458236][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   68.469955][ T4399] device veth0_vlan entered promiscuous mode
[   68.478452][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   68.488296][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   68.503119][ T4399] device veth1_vlan entered promiscuous mode
[   68.527316][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   68.535588][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   68.544225][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[   68.555708][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   68.567052][ T4399] device veth0_macvtap entered promiscuous mode
[   68.577384][ T4399] device veth1_macvtap entered promiscuous mode
[   68.595282][ T4399] batman_adv: batadv0: Interface activated: batadv_slave_0
[   68.603942][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   68.614379][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[   68.622755][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[   68.632998][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   68.645499][ T4399] batman_adv: batadv0: Interface activated: batadv_slave_1
[   68.655549][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[   68.665295][  T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   68.677462][ T4399] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   68.687392][ T4399] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   68.697720][ T4399] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   68.708593][ T4399] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   68.992375][ T4483] loop0: detected capacity change from 0 to 32768
[   69.003566][ T4483] =======================================================
[   69.003566][ T4483] WARNING: The mand mount option has been deprecated and
[   69.003566][ T4483]          and is ignored by this kernel. Remove the mand
[   69.003566][ T4483]          option from the mount to silence this warning.
[   69.003566][ T4483] =======================================================
[   69.059074][ T4483] ERROR: (device loop0): dbDiscardAG: -EIO
[   69.059074][ T4483] 
[   69.072695][ T4483] attempt to access beyond end of device
[   69.072695][ T4483] loop0: rw=2051, want=18014398509498368, limit=32768
[   69.087638][ T4483] JFS: sb_issue_discard(ffff888073482000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   69.098666][ T4483] blkno = 8000000000400, nblocks = 400
[   69.104599][ T4483] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   69.104599][ T4483] 
[   69.129433][ T4399] BUG: Bad page state in process syz-executor.0  pfn:2ae4d
[   69.138372][   T13] Bluetooth: hci0: command 0x0409 tx timeout
[   69.147751][ T4399] page:ffffea0000ab9340 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x2ae4d
[   69.158763][ T4399] flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   69.169441][ T4399] raw: 00fff00000002006 ffffea0001f70e08 ffffc90002f5fa20 0000000000000000
[   69.178613][ T4399] raw: 0000000000000004 ffff88801fbaf1f0 00000000ffffffff 0000000000000000
[   69.187611][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   69.194942][ T4399] page_owner tracks the page as allocated
[   69.202340][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4483, ts 69056960400, free_ts 68775832254
[   69.217969][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   69.223562][ T4399]  __alloc_pages+0x1ee/0x480
[   69.228636][ T4399]  __page_cache_alloc+0xce/0x440
[   69.233596][ T4399]  do_read_cache_page+0x1d4/0x1010
[   69.239231][ T4399]  __get_metapage+0x35d/0x1060
[   69.244022][ T4399]  dbAllocCtl+0xd2/0x980
[   69.248688][ T4399]  dbAllocAG+0x1f3/0x1000
[   69.253128][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   69.258025][ T4399]  jfs_ioc_trim+0x428/0x670
[   69.262557][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   69.267301][ T4399]  __se_sys_ioctl+0xfa/0x170
[   69.272065][ T4399]  do_syscall_64+0x4c/0xa0
[   69.276984][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   69.282901][ T4399] page last free stack trace:
[   69.289957][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   69.295450][ T4399]  free_unref_page+0x8f/0x2a0
[   69.300596][ T4399]  qlist_free_all+0x35/0x90
[   69.305383][ T4399]  kasan_quarantine_reduce+0x150/0x160
[   69.312034][ T4399]  __kasan_slab_alloc+0x2f/0xc0
[   69.317332][ T4399]  slab_post_alloc_hook+0x4c/0x380
[   69.322666][ T4399]  kmem_cache_alloc+0x15d/0x280
[   69.329512][ T4399]  getname_flags+0xb7/0x4f0
[   69.334047][ T4399]  do_sys_openat2+0xdd/0x500
[   69.338860][ T4399]  __x64_sys_openat+0x135/0x160
[   69.343721][ T4399]  do_syscall_64+0x4c/0xa0
[   69.349548][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   69.355577][ T4399] Modules linked in:
[   69.359980][ T4399] CPU: 1 PID: 4399 Comm: syz-executor.0 Not tainted syzkaller #0
[   69.367720][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   69.377968][ T4399] Call Trace:
[   69.381258][ T4399]  <TASK>
[   69.384198][ T4399]  dump_stack_lvl+0x188/0x250
[   69.388891][ T4399]  ? show_regs_print_info+0x20/0x20
[   69.394229][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   69.400507][ T4399]  bad_page+0x14b/0x170
[   69.404741][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   69.410468][ T4399]  free_unref_page_list+0x119/0x830
[   69.415802][ T4399]  ? uncharge_page+0x490/0x490
[   69.421052][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   69.428546][ T4399]  release_pages+0x185f/0x1bd0
[   69.433601][ T4399]  ? lru_cache_disable+0x30/0x30
[   69.438750][ T4399]  __pagevec_release+0x6d/0xe0
[   69.443540][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   69.449547][ T4399]  ? invalidate_inode_page+0x360/0x360
[   69.455358][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   69.460596][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   69.465558][ T4399]  dbUnmount+0x105/0x170
[   69.469826][ T4399]  jfs_umount+0x1f3/0x360
[   69.474275][ T4399]  jfs_put_super+0x88/0x190
[   69.479005][ T4399]  ? jfs_free_inode+0x20/0x20
[   69.483702][ T4399]  generic_shutdown_super+0x130/0x300
[   69.489107][ T4399]  kill_block_super+0x7c/0xe0
[   69.493812][ T4399]  deactivate_locked_super+0x93/0xf0
[   69.499232][ T4399]  cleanup_mnt+0x426/0x4d0
[   69.503767][ T4399]  task_work_run+0x125/0x1a0
[   69.508388][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   69.514314][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   69.519876][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   69.525423][ T4399]  do_syscall_64+0x58/0xa0
[   69.529979][ T4399]  ? clear_bhb_loop+0x30/0x80
[   69.534884][ T4399]  ? clear_bhb_loop+0x30/0x80
[   69.539583][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   69.545728][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   69.550428][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   69.570566][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   69.578991][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   69.587154][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   69.595314][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   69.603741][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   69.612020][ T4399] R13: 00007fcc4c9323ef R14: 0000000000010c83 R15: 0000000000000003
[   69.620450][ T4399]  </TASK>
[   69.632176][ T4399] Disabling lock debugging due to kernel taint
[   69.889279][ T4532] loop0: detected capacity change from 0 to 32768
[   69.921661][ T4532] ERROR: (device loop0): dbDiscardAG: -EIO
[   69.921661][ T4532] 
[   69.932439][ T4532] attempt to access beyond end of device
[   69.932439][ T4532] loop0: rw=2051, want=18014398509498368, limit=32768
[   69.945681][ T4532] JFS: sb_issue_discard(ffff8880795e4000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   69.965126][ T4532] blkno = 8000000000400, nblocks = 400
[   69.976315][ T4532] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   69.976315][ T4532] 
[   69.992031][ T4399] BUG: Bad page state in process syz-executor.0  pfn:20143
[   69.999683][ T4399] page:ffffea00008050c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x20143
[   70.011752][ T4399] flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   70.022346][ T4399] raw: 00fff00000002006 ffffea0001eaea88 ffffc90002f5fa20 0000000000000000
[   70.031905][ T4399] raw: 0000000000000004 ffff88801fbafc98 00000000ffffffff 0000000000000000
[   70.042105][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   70.050137][ T4399] page_owner tracks the page as allocated
[   70.055869][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4532, ts 69921423514, free_ts 69870591247
[   70.071895][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   70.077809][ T4399]  __alloc_pages+0x1ee/0x480
[   70.082418][ T4399]  __page_cache_alloc+0xce/0x440
[   70.088394][ T4399]  do_read_cache_page+0x1d4/0x1010
[   70.093646][ T4399]  __get_metapage+0x35d/0x1060
[   70.098956][ T4399]  dbAllocCtl+0xd2/0x980
[   70.104009][ T4399]  dbAllocAG+0x1f3/0x1000
[   70.110116][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   70.115245][ T4399]  jfs_ioc_trim+0x428/0x670
[   70.120402][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   70.124760][ T4399]  __se_sys_ioctl+0xfa/0x170
[   70.130037][ T4399]  do_syscall_64+0x4c/0xa0
[   70.134484][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   70.140791][ T4399] page last free stack trace:
[   70.145926][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   70.153284][ T4399]  free_unref_page_list+0x119/0x830
[   70.158846][ T4399]  release_pages+0x185f/0x1bd0
[   70.163638][ T4399]  tlb_finish_mmu+0x1b4/0x370
[   70.169563][ T4399]  exit_mmap+0x3d0/0x640
[   70.173918][ T4399]  __mmput+0x115/0x390
[   70.178378][ T4399]  exit_mm+0x632/0x7b0
[   70.182760][ T4399]  do_exit+0x5b8/0x2110
[   70.187848][ T4399]  do_group_exit+0x12c/0x2f0
[   70.192451][ T4399]  __x64_sys_exit_group+0x3b/0x40
[   70.197817][ T4399]  do_syscall_64+0x4c/0xa0
[   70.202382][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   70.208886][ T4399] Modules linked in:
[   70.212951][ T4399] CPU: 0 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   70.222156][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   70.232299][ T4399] Call Trace:
[   70.235584][ T4399]  <TASK>
[   70.238605][ T4399]  dump_stack_lvl+0x188/0x250
[   70.243300][ T4399]  ? show_regs_print_info+0x20/0x20
[   70.248599][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   70.255069][ T4399]  ? rcu_is_watching+0x11/0xa0
[   70.259854][ T4399]  bad_page+0x14b/0x170
[   70.264020][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   70.269501][ T4399]  free_unref_page_list+0x119/0x830
[   70.274804][ T4399]  ? uncharge_page+0x490/0x490
[   70.279670][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   70.285237][ T4399]  release_pages+0x185f/0x1bd0
[   70.290019][ T4399]  ? lru_cache_disable+0x30/0x30
[   70.294983][ T4399]  __pagevec_release+0x6d/0xe0
[   70.299848][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   70.305679][ T4399]  ? invalidate_inode_page+0x360/0x360
[   70.311251][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   70.317198][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   70.322074][ T4399]  dbUnmount+0x105/0x170
[   70.326329][ T4399]  jfs_umount+0x1f3/0x360
[   70.331418][ T4399]  jfs_put_super+0x88/0x190
[   70.336204][ T4399]  ? jfs_free_inode+0x20/0x20
[   70.341311][ T4399]  generic_shutdown_super+0x130/0x300
[   70.347045][ T4399]  kill_block_super+0x7c/0xe0
[   70.352373][ T4399]  deactivate_locked_super+0x93/0xf0
[   70.357761][ T4399]  cleanup_mnt+0x426/0x4d0
[   70.362250][ T4399]  task_work_run+0x125/0x1a0
[   70.366952][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   70.372340][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   70.378157][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   70.383721][ T4399]  do_syscall_64+0x58/0xa0
[   70.388154][ T4399]  ? clear_bhb_loop+0x30/0x80
[   70.392843][ T4399]  ? clear_bhb_loop+0x30/0x80
[   70.397622][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   70.403618][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   70.408037][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   70.427913][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   70.436863][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   70.444939][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   70.453134][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   70.461755][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   70.469884][ T4399] R13: 00007fcc4c9323ef R14: 0000000000011045 R15: 0000000000000003
[   70.477870][ T4399]  </TASK>
[   70.743403][ T4603] loop0: detected capacity change from 0 to 32768
[   70.770792][ T4603] ERROR: (device loop0): dbDiscardAG: -EIO
[   70.770792][ T4603] 
[   70.786298][ T4603] attempt to access beyond end of device
[   70.786298][ T4603] loop0: rw=2051, want=18014398509498368, limit=32768
[   70.809731][ T4603] JFS: sb_issue_discard(ffff8880254ca000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   70.821292][ T4603] blkno = 8000000000400, nblocks = 400
[   70.827550][ T4603] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   70.827550][ T4603] 
[   70.842538][ T4399] BUG: Bad page state in process syz-executor.0  pfn:73ecb
[   70.850109][ T4399] page:ffffea0001cfb2c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x73ecb
[   70.860530][ T4399] flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   70.870411][ T4399] raw: 00fff00000002006 ffffea00008a9548 ffffc90002f5fa20 0000000000000000
[   70.880417][ T4399] raw: 0000000000000004 ffff88802a1ba9b0 00000000ffffffff 0000000000000000
[   70.889671][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   70.897738][ T4399] page_owner tracks the page as allocated
[   70.903714][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4603, ts 70770596558, free_ts 69640701131
[   70.919849][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   70.925680][ T4399]  __alloc_pages+0x1ee/0x480
[   70.931672][ T4399]  __page_cache_alloc+0xce/0x440
[   70.936899][ T4399]  do_read_cache_page+0x1d4/0x1010
[   70.942144][ T4399]  __get_metapage+0x35d/0x1060
[   70.947317][ T4399]  dbAllocCtl+0xd2/0x980
[   70.951687][ T4399]  dbAllocAG+0x1f3/0x1000
[   70.956442][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   70.960881][ T4399]  jfs_ioc_trim+0x428/0x670
[   70.965501][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   70.970573][ T4399]  __se_sys_ioctl+0xfa/0x170
[   70.975185][ T4399]  do_syscall_64+0x4c/0xa0
[   70.980003][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   70.985913][ T4399] page last free stack trace:
[   70.991096][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   70.996788][ T4399]  free_unref_page_list+0x119/0x830
[   71.002090][ T4399]  release_pages+0x185f/0x1bd0
[   71.007193][ T4399]  __pagevec_release+0x6d/0xe0
[   71.011972][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   71.018042][ T4399]  blkdev_flush_mapping+0x188/0x360
[   71.023349][ T4399]  blkdev_put+0x4c3/0x780
[   71.028174][ T4399]  deactivate_locked_super+0x93/0xf0
[   71.033952][ T4399]  cleanup_mnt+0x426/0x4d0
[   71.039239][ T4399]  task_work_run+0x125/0x1a0
[   71.044373][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   71.051591][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   71.057471][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   71.063120][ T4399]  do_syscall_64+0x58/0xa0
[   71.067869][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   71.073922][ T4399] Modules linked in:
[   71.078136][ T4399] CPU: 0 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   71.087354][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   71.097470][ T4399] Call Trace:
[   71.100844][ T4399]  <TASK>
[   71.103783][ T4399]  dump_stack_lvl+0x188/0x250
[   71.108877][ T4399]  ? show_regs_print_info+0x20/0x20
[   71.114892][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   71.122270][ T4399]  ? rcu_is_watching+0x11/0xa0
[   71.127658][ T4399]  bad_page+0x14b/0x170
[   71.132038][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   71.137602][ T4399]  free_unref_page_list+0x119/0x830
[   71.142838][ T4399]  ? uncharge_page+0x490/0x490
[   71.147621][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   71.153195][ T4399]  release_pages+0x185f/0x1bd0
[   71.157978][ T4399]  ? lru_cache_disable+0x30/0x30
[   71.163106][ T4399]  __pagevec_release+0x6d/0xe0
[   71.167993][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   71.174878][ T4399]  ? invalidate_inode_page+0x360/0x360
[   71.180629][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   71.185843][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   71.190797][ T4399]  dbUnmount+0x105/0x170
[   71.195052][ T4399]  jfs_umount+0x1f3/0x360
[   71.199490][ T4399]  jfs_put_super+0x88/0x190
[   71.204279][ T4399]  ? jfs_free_inode+0x20/0x20
[   71.209196][ T4399]  generic_shutdown_super+0x130/0x300
[   71.214696][ T4399]  kill_block_super+0x7c/0xe0
[   71.219496][ T4399]  deactivate_locked_super+0x93/0xf0
[   71.224811][ T4399]  cleanup_mnt+0x426/0x4d0
[   71.229334][ T4399]  task_work_run+0x125/0x1a0
[   71.233937][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   71.239317][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   71.244978][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   71.250537][ T4399]  do_syscall_64+0x58/0xa0
[   71.255055][ T4399]  ? clear_bhb_loop+0x30/0x80
[   71.259918][ T4399]  ? clear_bhb_loop+0x30/0x80
[   71.264705][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   71.270695][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   71.275124][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   71.295015][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   71.303437][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   71.311700][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   71.320076][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   71.328786][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   71.337886][ T4399] R13: 00007fcc4c9323ef R14: 00000000000113a3 R15: 0000000000000003
[   71.346158][ T4399]  </TASK>
[   71.349845][   T13] Bluetooth: hci0: command 0x041b tx timeout
[   71.367365][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[   71.373813][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[   71.526778][ T4656] loop0: detected capacity change from 0 to 32768
[   71.595044][ T4656] ERROR: (device loop0): dbDiscardAG: -EIO
[   71.595044][ T4656] 
[   71.603201][ T4656] attempt to access beyond end of device
[   71.603201][ T4656] loop0: rw=2051, want=18014398509498368, limit=32768
[   71.616036][ T4656] JFS: sb_issue_discard(ffff8881423c4000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   71.627031][ T4656] blkno = 8000000000400, nblocks = 400
[   71.632780][ T4656] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   71.632780][ T4656] 
[   71.647228][ T4399] BUG: Bad page state in process syz-executor.0  pfn:73dd8
[   71.654616][ T4399] page:ffffea0001cf7600 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x73dd8
[   71.664826][ T4399] flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   71.675012][ T4399] raw: 00fff00000002006 ffffea0001eaa288 ffffc90002f5fa20 0000000000000000
[   71.684574][ T4399] raw: 0000000000000004 ffff8880723d8d90 00000000ffffffff 0000000000000000
[   71.693826][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   71.702276][ T4399] page_owner tracks the page as allocated
[   71.708270][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4656, ts 71594856460, free_ts 71413063360
[   71.723457][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   71.729389][ T4399]  __alloc_pages+0x1ee/0x480
[   71.734078][ T4399]  __page_cache_alloc+0xce/0x440
[   71.739243][ T4399]  do_read_cache_page+0x1d4/0x1010
[   71.744488][ T4399]  __get_metapage+0x35d/0x1060
[   71.749495][ T4399]  dbAllocCtl+0xd2/0x980
[   71.753930][ T4399]  dbAllocAG+0x1f3/0x1000
[   71.758486][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   71.762930][ T4399]  jfs_ioc_trim+0x428/0x670
[   71.767764][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   71.772061][ T4399]  __se_sys_ioctl+0xfa/0x170
[   71.776697][ T4399]  do_syscall_64+0x4c/0xa0
[   71.781174][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   71.787346][ T4399] page last free stack trace:
[   71.792123][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   71.798189][ T4399]  free_unref_page+0x8f/0x2a0
[   71.803184][ T4399]  qlist_free_all+0x35/0x90
[   71.807760][ T4399]  kasan_quarantine_reduce+0x150/0x160
[   71.813234][ T4399]  __kasan_slab_alloc+0x2f/0xc0
[   71.818135][ T4399]  slab_post_alloc_hook+0x4c/0x380
[   71.823262][ T4399]  __kmalloc+0x189/0x340
[   71.827665][ T4399]  tomoyo_realpath_from_path+0xed/0x5e0
[   71.833233][ T4399]  tomoyo_path_perm+0x23f/0x5d0
[   71.838249][ T4399]  security_inode_getattr+0xcf/0x120
[   71.843671][ T4399]  vfs_getattr+0x26/0x3a0
[   71.848415][ T4399]  __x64_sys_newfstat+0x137/0x210
[   71.853487][ T4399]  do_syscall_64+0x4c/0xa0
[   71.858037][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   71.864481][ T4399] Modules linked in:
[   71.868833][ T4399] CPU: 0 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   71.878064][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   71.888402][ T4399] Call Trace:
[   71.891820][ T4399]  <TASK>
[   71.894765][ T4399]  dump_stack_lvl+0x188/0x250
[   71.899781][ T4399]  ? show_regs_print_info+0x20/0x20
[   71.905000][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   71.911416][ T4399]  ? rcu_is_watching+0x11/0xa0
[   71.916199][ T4399]  bad_page+0x14b/0x170
[   71.920472][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   71.925949][ T4399]  free_unref_page_list+0x119/0x830
[   71.931155][ T4399]  ? uncharge_page+0x490/0x490
[   71.936099][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   71.941674][ T4399]  release_pages+0x185f/0x1bd0
[   71.946520][ T4399]  ? lru_cache_disable+0x30/0x30
[   71.951551][ T4399]  __pagevec_release+0x6d/0xe0
[   71.956299][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   71.962001][ T4399]  ? invalidate_inode_page+0x360/0x360
[   71.967465][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   71.972753][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   71.977699][ T4399]  dbUnmount+0x105/0x170
[   71.981951][ T4399]  jfs_umount+0x1f3/0x360
[   71.986275][ T4399]  jfs_put_super+0x88/0x190
[   71.990791][ T4399]  ? jfs_free_inode+0x20/0x20
[   71.995568][ T4399]  generic_shutdown_super+0x130/0x300
[   72.001029][ T4399]  kill_block_super+0x7c/0xe0
[   72.005708][ T4399]  deactivate_locked_super+0x93/0xf0
[   72.011066][ T4399]  cleanup_mnt+0x426/0x4d0
[   72.015478][ T4399]  task_work_run+0x125/0x1a0
[   72.020119][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   72.025539][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   72.031165][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   72.036794][ T4399]  do_syscall_64+0x58/0xa0
[   72.041302][ T4399]  ? clear_bhb_loop+0x30/0x80
[   72.046606][ T4399]  ? clear_bhb_loop+0x30/0x80
[   72.051396][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   72.057759][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   72.062191][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   72.081875][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   72.090477][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   72.098450][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   72.106939][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   72.115272][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   72.123328][ T4399] R13: 00007fcc4c9323ef R14: 00000000000116f1 R15: 0000000000000003
[   72.131422][ T4399]  </TASK>
[   72.296396][ T4658] loop0: detected capacity change from 0 to 32768
[   72.343953][ T4658] ERROR: (device loop0): dbDiscardAG: -EIO
[   72.343953][ T4658] 
[   72.352133][ T4658] attempt to access beyond end of device
[   72.352133][ T4658] loop0: rw=2051, want=18014398509498368, limit=32768
[   72.365030][ T4658] JFS: sb_issue_discard(ffff888023822000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   72.375487][ T4658] blkno = 8000000000400, nblocks = 400
[   72.381201][ T4658] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   72.381201][ T4658] 
2026/08/18 04:55:16 executed programs: 5
[   72.394132][ T4399] BUG: Bad page state in process syz-executor.0  pfn:1f0eb
[   72.401855][ T4399] page:ffffea00007c3ac0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1f0eb
[   72.412639][ T4399] flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   72.422556][ T4399] raw: 00fff00000002006 ffffea0001dc8588 ffffc90002f5fa20 0000000000000000
[   72.431496][ T4399] raw: 0000000000000004 ffff88807c6b15d0 00000000ffffffff 0000000000000000
[   72.440521][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   72.448851][ T4399] page_owner tracks the page as allocated
[   72.454575][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4658, ts 72343763822, free_ts 72239345245
[   72.470168][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   72.475990][ T4399]  __alloc_pages+0x1ee/0x480
[   72.481158][ T4399]  __page_cache_alloc+0xce/0x440
[   72.486566][ T4399]  do_read_cache_page+0x1d4/0x1010
[   72.491942][ T4399]  __get_metapage+0x35d/0x1060
[   72.496931][ T4399]  dbAllocCtl+0xd2/0x980
[   72.501545][ T4399]  dbAllocAG+0x1f3/0x1000
[   72.505891][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   72.510681][ T4399]  jfs_ioc_trim+0x428/0x670
[   72.515199][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   72.519741][ T4399]  __se_sys_ioctl+0xfa/0x170
[   72.524433][ T4399]  do_syscall_64+0x4c/0xa0
[   72.529079][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   72.535005][ T4399] page last free stack trace:
[   72.539720][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   72.545296][ T4399]  free_unref_page+0x8f/0x2a0
[   72.550097][ T4399]  qlist_free_all+0x35/0x90
[   72.554597][ T4399]  kasan_quarantine_reduce+0x150/0x160
[   72.560154][ T4399]  __kasan_slab_alloc+0x2f/0xc0
[   72.565012][ T4399]  slab_post_alloc_hook+0x4c/0x380
[   72.570153][ T4399]  kmem_cache_alloc+0x15d/0x280
[   72.575019][ T4399]  ptlock_alloc+0x1c/0x60
[   72.579883][ T4399]  pte_alloc_one+0xc0/0x310
[   72.584403][ T4399]  __pte_alloc+0x21/0x150
[   72.589050][ T4399]  handle_mm_fault+0x39d9/0x4440
[   72.594022][ T4399]  do_user_addr_fault+0x494/0xc90
[   72.599173][ T4399]  exc_page_fault+0x60/0x100
[   72.603877][ T4399]  asm_exc_page_fault+0x22/0x30
[   72.608982][ T4399] Modules linked in:
[   72.612897][ T4399] CPU: 0 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   72.622338][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   72.632588][ T4399] Call Trace:
[   72.635857][ T4399]  <TASK>
[   72.638808][ T4399]  dump_stack_lvl+0x188/0x250
[   72.643479][ T4399]  ? show_regs_print_info+0x20/0x20
[   72.649109][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   72.656155][ T4399]  ? rcu_is_watching+0x11/0xa0
[   72.661151][ T4399]  bad_page+0x14b/0x170
[   72.665407][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   72.671108][ T4399]  free_unref_page_list+0x119/0x830
[   72.677193][ T4399]  ? uncharge_page+0x490/0x490
[   72.682485][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   72.688389][ T4399]  release_pages+0x185f/0x1bd0
[   72.693171][ T4399]  ? lru_cache_disable+0x30/0x30
[   72.698457][ T4399]  __pagevec_release+0x6d/0xe0
[   72.703332][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   72.709285][ T4399]  ? invalidate_inode_page+0x360/0x360
[   72.714833][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   72.720019][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   72.724882][ T4399]  dbUnmount+0x105/0x170
[   72.729225][ T4399]  jfs_umount+0x1f3/0x360
[   72.733792][ T4399]  jfs_put_super+0x88/0x190
[   72.738374][ T4399]  ? jfs_free_inode+0x20/0x20
[   72.743287][ T4399]  generic_shutdown_super+0x130/0x300
[   72.748745][ T4399]  kill_block_super+0x7c/0xe0
[   72.753430][ T4399]  deactivate_locked_super+0x93/0xf0
[   72.758746][ T4399]  cleanup_mnt+0x426/0x4d0
[   72.763272][ T4399]  task_work_run+0x125/0x1a0
[   72.767862][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   72.773321][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   72.778850][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   72.784498][ T4399]  do_syscall_64+0x58/0xa0
[   72.788918][ T4399]  ? clear_bhb_loop+0x30/0x80
[   72.793590][ T4399]  ? clear_bhb_loop+0x30/0x80
[   72.798249][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   72.804152][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   72.808652][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   72.828355][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   72.836809][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   72.844766][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   72.853086][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   72.861042][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   72.869108][ T4399] R13: 00007fcc4c9323ef R14: 00000000000119f4 R15: 0000000000000003
[   72.877075][ T4399]  </TASK>
[   73.037426][ T4660] loop0: detected capacity change from 0 to 32768
[   73.084071][ T4660] ERROR: (device loop0): dbDiscardAG: -EIO
[   73.084071][ T4660] 
[   73.092222][ T4660] attempt to access beyond end of device
[   73.092222][ T4660] loop0: rw=2051, want=18014398509498368, limit=32768
[   73.104621][ T4660] JFS: sb_issue_discard(ffff8880644c0000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   73.115460][ T4660] blkno = 8000000000400, nblocks = 400
[   73.121310][ T4660] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   73.121310][ T4660] 
[   73.135127][ T4399] BUG: Bad page state in process syz-executor.0  pfn:1f74f
[   73.143086][ T4399] page:ffffea00007dd3c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1f74f
[   73.154040][ T4399] flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   73.164105][ T4399] raw: 00fff00000002006 ffffea0001d7e088 ffffc90002f5fa20 0000000000000000
[   73.173189][ T4399] raw: 0000000000000004 ffff8880773e10f8 00000000ffffffff 0000000000000000
[   73.182883][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   73.191445][ T4399] page_owner tracks the page as allocated
[   73.197661][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4660, ts 73083750603, free_ts 72392585584
[   73.212986][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   73.218555][ T4399]  __alloc_pages+0x1ee/0x480
[   73.223153][ T4399]  __page_cache_alloc+0xce/0x440
[   73.228119][ T4399]  do_read_cache_page+0x1d4/0x1010
[   73.233320][ T4399]  __get_metapage+0x35d/0x1060
[   73.238116][ T4399]  dbAllocCtl+0xd2/0x980
[   73.242450][ T4399]  dbAllocAG+0x1f3/0x1000
[   73.246794][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   73.251209][ T4399]  jfs_ioc_trim+0x428/0x670
[   73.255806][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   73.260077][ T4399]  __se_sys_ioctl+0xfa/0x170
[   73.264785][ T4399]  do_syscall_64+0x4c/0xa0
[   73.269301][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   73.275199][ T4399] page last free stack trace:
[   73.279922][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   73.285475][ T4399]  free_unref_page_list+0x119/0x830
[   73.290911][ T4399]  release_pages+0x185f/0x1bd0
[   73.295705][ T4399]  tlb_finish_mmu+0x1b4/0x370
[   73.300758][ T4399]  exit_mmap+0x3d0/0x640
[   73.305010][ T4399]  __mmput+0x115/0x390
[   73.309199][ T4399]  exit_mm+0x632/0x7b0
[   73.313456][ T4399]  do_exit+0x5b8/0x2110
[   73.317656][ T4399]  do_group_exit+0x12c/0x2f0
[   73.322291][ T4399]  __x64_sys_exit_group+0x3b/0x40
[   73.327419][ T4399]  do_syscall_64+0x4c/0xa0
[   73.331933][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   73.338096][ T4399] Modules linked in:
[   73.342123][ T4399] CPU: 1 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   73.351258][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   73.361405][ T4399] Call Trace:
[   73.364891][ T4399]  <TASK>
[   73.366309][   T13] Bluetooth: hci0: command 0x040f tx timeout
[   73.367817][ T4399]  dump_stack_lvl+0x188/0x250
[   73.378649][ T4399]  ? show_regs_print_info+0x20/0x20
[   73.383848][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   73.390463][ T4399]  ? rcu_is_watching+0x11/0xa0
[   73.395528][ T4399]  bad_page+0x14b/0x170
[   73.399888][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   73.405456][ T4399]  free_unref_page_list+0x119/0x830
[   73.410677][ T4399]  ? uncharge_page+0x490/0x490
[   73.415518][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   73.421295][ T4399]  release_pages+0x185f/0x1bd0
[   73.426116][ T4399]  ? lru_cache_disable+0x30/0x30
[   73.431247][ T4399]  __pagevec_release+0x6d/0xe0
[   73.436360][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   73.442480][ T4399]  ? invalidate_inode_page+0x360/0x360
[   73.448622][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   73.454155][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   73.459200][ T4399]  dbUnmount+0x105/0x170
[   73.463522][ T4399]  jfs_umount+0x1f3/0x360
[   73.467847][ T4399]  jfs_put_super+0x88/0x190
[   73.472417][ T4399]  ? jfs_free_inode+0x20/0x20
[   73.477164][ T4399]  generic_shutdown_super+0x130/0x300
[   73.482619][ T4399]  kill_block_super+0x7c/0xe0
[   73.487667][ T4399]  deactivate_locked_super+0x93/0xf0
[   73.493054][ T4399]  cleanup_mnt+0x426/0x4d0
[   73.497731][ T4399]  task_work_run+0x125/0x1a0
[   73.502480][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   73.507880][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   73.513415][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   73.518864][ T4399]  do_syscall_64+0x58/0xa0
[   73.523343][ T4399]  ? clear_bhb_loop+0x30/0x80
[   73.528135][ T4399]  ? clear_bhb_loop+0x30/0x80
[   73.533068][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   73.538971][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   73.543403][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   73.563181][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   73.571584][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   73.579755][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   73.588152][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   73.596107][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   73.604061][ T4399] R13: 00007fcc4c9323ef R14: 0000000000011cd7 R15: 0000000000000003
[   73.612291][ T4399]  </TASK>
[   73.787120][ T4662] loop0: detected capacity change from 0 to 32768
[   73.835579][ T4662] ERROR: (device loop0): dbDiscardAG: -EIO
[   73.835579][ T4662] 
[   73.844060][ T4662] attempt to access beyond end of device
[   73.844060][ T4662] loop0: rw=2051, want=18014398509498368, limit=32768
[   73.856786][ T4662] JFS: sb_issue_discard(ffff888023d7c000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   73.867910][ T4662] blkno = 8000000000400, nblocks = 400
[   73.873458][ T4662] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   73.873458][ T4662] 
[   73.887386][ T4399] BUG: Bad page state in process syz-executor.0  pfn:1f7b4
[   73.895088][ T4399] page:ffffea00007ded00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1f7b4
[   73.905923][ T4399] flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   73.915857][ T4399] raw: 00fff00000002006 ffffea0000793f08 ffffc90002f5fa20 0000000000000000
[   73.924820][ T4399] raw: 0000000000000004 ffff8880773e18b8 00000000ffffffff 0000000000000000
[   73.933898][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   73.941572][ T4399] page_owner tracks the page as allocated
[   73.947384][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4662, ts 73835271902, free_ts 73618353124
[   73.962422][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   73.968000][ T4399]  __alloc_pages+0x1ee/0x480
[   73.972682][ T4399]  __page_cache_alloc+0xce/0x440
[   73.977650][ T4399]  do_read_cache_page+0x1d4/0x1010
[   73.982955][ T4399]  __get_metapage+0x35d/0x1060
[   73.987742][ T4399]  dbAllocCtl+0xd2/0x980
[   73.992026][ T4399]  dbAllocAG+0x1f3/0x1000
[   73.996373][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   74.000799][ T4399]  jfs_ioc_trim+0x428/0x670
[   74.005418][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   74.010179][ T4399]  __se_sys_ioctl+0xfa/0x170
[   74.014847][ T4399]  do_syscall_64+0x4c/0xa0
[   74.019403][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   74.025454][ T4399] page last free stack trace:
[   74.030359][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   74.036027][ T4399]  free_unref_page_list+0x119/0x830
[   74.041263][ T4399]  release_pages+0x185f/0x1bd0
[   74.046221][ T4399]  __pagevec_release+0x6d/0xe0
[   74.050998][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   74.056946][ T4399]  blkdev_flush_mapping+0x188/0x360
[   74.062351][ T4399]  blkdev_put+0x4c3/0x780
[   74.066728][ T4399]  deactivate_locked_super+0x93/0xf0
[   74.072311][ T4399]  cleanup_mnt+0x426/0x4d0
[   74.076804][ T4399]  task_work_run+0x125/0x1a0
[   74.081596][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   74.087352][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   74.093071][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   74.098779][ T4399]  do_syscall_64+0x58/0xa0
[   74.103399][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   74.109993][ T4399] Modules linked in:
[   74.114210][ T4399] CPU: 1 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   74.123881][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   74.134066][ T4399] Call Trace:
[   74.138059][ T4399]  <TASK>
[   74.141087][ T4399]  dump_stack_lvl+0x188/0x250
[   74.146118][ T4399]  ? show_regs_print_info+0x20/0x20
[   74.151501][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   74.157746][ T4399]  ? rcu_is_watching+0x11/0xa0
[   74.162609][ T4399]  bad_page+0x14b/0x170
[   74.166834][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   74.172295][ T4399]  free_unref_page_list+0x119/0x830
[   74.177584][ T4399]  ? uncharge_page+0x490/0x490
[   74.182530][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   74.188209][ T4399]  release_pages+0x185f/0x1bd0
[   74.192986][ T4399]  ? lru_cache_disable+0x30/0x30
[   74.197955][ T4399]  __pagevec_release+0x6d/0xe0
[   74.202735][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   74.208721][ T4399]  ? invalidate_inode_page+0x360/0x360
[   74.214259][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   74.219449][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   74.224305][ T4399]  dbUnmount+0x105/0x170
[   74.229073][ T4399]  jfs_umount+0x1f3/0x360
[   74.233395][ T4399]  jfs_put_super+0x88/0x190
[   74.237896][ T4399]  ? jfs_free_inode+0x20/0x20
[   74.242585][ T4399]  generic_shutdown_super+0x130/0x300
[   74.247944][ T4399]  kill_block_super+0x7c/0xe0
[   74.252692][ T4399]  deactivate_locked_super+0x93/0xf0
[   74.257979][ T4399]  cleanup_mnt+0x426/0x4d0
[   74.262413][ T4399]  task_work_run+0x125/0x1a0
[   74.267198][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   74.272734][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   74.278369][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   74.283927][ T4399]  do_syscall_64+0x58/0xa0
[   74.288334][ T4399]  ? clear_bhb_loop+0x30/0x80
[   74.293008][ T4399]  ? clear_bhb_loop+0x30/0x80
[   74.297737][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   74.303850][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   74.308530][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   74.328504][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   74.337419][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   74.345587][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   74.353918][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   74.361919][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   74.370159][ T4399] R13: 00007fcc4c9323ef R14: 0000000000011fc4 R15: 0000000000000003
[   74.378407][ T4399]  </TASK>
[   74.552749][ T4664] loop0: detected capacity change from 0 to 32768
[   74.656490][ T4664] ERROR: (device loop0): dbDiscardAG: -EIO
[   74.656490][ T4664] 
[   74.664624][ T4664] attempt to access beyond end of device
[   74.664624][ T4664] loop0: rw=2051, want=18014398509498368, limit=32768
[   74.677425][ T4664] JFS: sb_issue_discard(ffff8880246de000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   74.688769][ T4664] blkno = 8000000000400, nblocks = 400
[   74.694321][ T4664] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   74.694321][ T4664] 
[   74.708763][ T4399] BUG: Bad page state in process syz-executor.0  pfn:1d759
[   74.715985][ T4399] page:ffffea000075d640 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1d759
[   74.726511][ T4399] flags: 0xfff00000002004(uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   74.735328][ T4399] raw: 00fff00000002004 ffffea0000808848 ffffc90002f5fa20 0000000000000000
[   74.743996][ T4399] raw: 0000000000000004 ffff8880737444d8 00000000ffffffff 0000000000000000
[   74.753074][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   74.760392][ T4399] page_owner tracks the page as allocated
[   74.768710][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4664, ts 74651125973, free_ts 74552120612
[   74.783856][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   74.789563][ T4399]  __alloc_pages+0x1ee/0x480
[   74.794249][ T4399]  __page_cache_alloc+0xce/0x440
[   74.799338][ T4399]  do_read_cache_page+0x1d4/0x1010
[   74.804485][ T4399]  __get_metapage+0x35d/0x1060
[   74.809402][ T4399]  dbAllocCtl+0xd2/0x980
[   74.813659][ T4399]  dbAllocAG+0x1f3/0x1000
[   74.818031][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   74.822469][ T4399]  jfs_ioc_trim+0x428/0x670
[   74.827107][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   74.831390][ T4399]  __se_sys_ioctl+0xfa/0x170
[   74.835984][ T4399]  do_syscall_64+0x4c/0xa0
[   74.840531][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   74.846459][ T4399] page last free stack trace:
[   74.851337][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   74.857250][ T4399]  free_unref_page+0x8f/0x2a0
[   74.862124][ T4399]  tlb_finish_mmu+0x28b/0x370
[   74.866976][ T4399]  unmap_region+0x344/0x3b0
[   74.871786][ T4399]  __do_munmap+0xa29/0xe10
[   74.876277][ T4399]  __vm_munmap+0x13f/0x240
[   74.880710][ T4399]  __x64_sys_munmap+0x67/0x70
[   74.885399][ T4399]  do_syscall_64+0x4c/0xa0
[   74.890138][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   74.896380][ T4399] Modules linked in:
[   74.900369][ T4399] CPU: 1 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   74.910258][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   74.920392][ T4399] Call Trace:
[   74.923762][ T4399]  <TASK>
[   74.926688][ T4399]  dump_stack_lvl+0x188/0x250
[   74.931379][ T4399]  ? show_regs_print_info+0x20/0x20
[   74.936731][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   74.943431][ T4399]  ? rcu_is_watching+0x11/0xa0
[   74.948182][ T4399]  bad_page+0x14b/0x170
[   74.952412][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   74.957857][ T4399]  free_unref_page_list+0x119/0x830
[   74.963041][ T4399]  ? uncharge_page+0x490/0x490
[   74.968127][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   74.973672][ T4399]  release_pages+0x185f/0x1bd0
[   74.978506][ T4399]  ? lru_cache_disable+0x30/0x30
[   74.983442][ T4399]  __pagevec_release+0x6d/0xe0
[   74.988323][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   74.994048][ T4399]  ? invalidate_inode_page+0x360/0x360
[   74.999498][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   75.004687][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   75.009786][ T4399]  dbUnmount+0x105/0x170
[   75.014115][ T4399]  jfs_umount+0x1f3/0x360
[   75.018531][ T4399]  jfs_put_super+0x88/0x190
[   75.023040][ T4399]  ? jfs_free_inode+0x20/0x20
[   75.027909][ T4399]  generic_shutdown_super+0x130/0x300
[   75.033636][ T4399]  kill_block_super+0x7c/0xe0
[   75.038961][ T4399]  deactivate_locked_super+0x93/0xf0
[   75.044706][ T4399]  cleanup_mnt+0x426/0x4d0
[   75.049244][ T4399]  task_work_run+0x125/0x1a0
[   75.053928][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   75.059458][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   75.064994][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   75.070784][ T4399]  do_syscall_64+0x58/0xa0
[   75.075189][ T4399]  ? clear_bhb_loop+0x30/0x80
[   75.079854][ T4399]  ? clear_bhb_loop+0x30/0x80
[   75.084703][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   75.090947][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   75.095529][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   75.115740][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   75.124711][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   75.133156][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   75.141328][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   75.149463][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   75.157530][ T4399] R13: 00007fcc4c9323ef R14: 00000000000122bf R15: 0000000000000003
[   75.165519][ T4399]  </TASK>
[   75.331680][ T4666] loop0: detected capacity change from 0 to 32768
[   75.393935][ T4666] ERROR: (device loop0): dbDiscardAG: -EIO
[   75.393935][ T4666] 
[   75.402020][ T4666] attempt to access beyond end of device
[   75.402020][ T4666] loop0: rw=2051, want=18014398509498368, limit=32768
[   75.414947][ T4666] JFS: sb_issue_discard(ffff888064028000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   75.425999][ T4666] blkno = 8000000000400, nblocks = 400
[   75.431809][ T4666] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   75.431809][ T4666] 
[   75.444897][ T4399] BUG: Bad page state in process syz-executor.0  pfn:7b83f
[   75.446330][   T13] Bluetooth: hci0: command 0x0419 tx timeout
[   75.452181][ T4399] page:ffffea0001ee0fc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x7b83f
[   75.468347][ T4399] flags: 0xfff00000002004(uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   75.477084][ T4399] raw: 00fff00000002004 ffffea00007b8d48 ffffc90002f5fa20 0000000000000000
[   75.486329][ T4399] raw: 0000000000000004 ffff88802c198ba0 00000000ffffffff 0000000000000000
[   75.495008][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   75.502355][ T4399] page_owner tracks the page as allocated
[   75.508597][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4666, ts 75393720733, free_ts 75391432644
[   75.523763][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   75.529347][ T4399]  __alloc_pages+0x1ee/0x480
[   75.534018][ T4399]  __page_cache_alloc+0xce/0x440
[   75.539125][ T4399]  do_read_cache_page+0x1d4/0x1010
[   75.544516][ T4399]  __get_metapage+0x35d/0x1060
[   75.549461][ T4399]  dbAllocCtl+0xd2/0x980
[   75.553894][ T4399]  dbAllocAG+0x1f3/0x1000
[   75.558412][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   75.562836][ T4399]  jfs_ioc_trim+0x428/0x670
[   75.567451][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   75.571812][ T4399]  __se_sys_ioctl+0xfa/0x170
[   75.576596][ T4399]  do_syscall_64+0x4c/0xa0
[   75.581026][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   75.586952][ T4399] page last free stack trace:
[   75.591623][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   75.597206][ T4399]  free_unref_page+0x8f/0x2a0
[   75.601903][ T4399]  __unfreeze_partials+0x188/0x1e0
[   75.607032][ T4399]  put_cpu_partial+0x12d/0x190
[   75.611812][ T4399]  qlist_free_all+0x35/0x90
[   75.616342][ T4399]  kasan_quarantine_reduce+0x150/0x160
[   75.622274][ T4399]  __kasan_slab_alloc+0x2f/0xc0
[   75.627180][ T4399]  slab_post_alloc_hook+0x4c/0x380
[   75.632321][ T4399]  kmem_cache_alloc+0x15d/0x280
[   75.637467][ T4399]  __anon_vma_prepare+0x66/0x430
[   75.642910][ T4399]  handle_mm_fault+0x3c1b/0x4440
[   75.648868][ T4399]  do_user_addr_fault+0x494/0xc90
[   75.654096][ T4399]  exc_page_fault+0x60/0x100
[   75.658854][ T4399]  asm_exc_page_fault+0x22/0x30
[   75.663911][ T4399]  copy_user_enhanced_fast_string+0xe/0x40
[   75.670133][ T4399]  copy_page_to_iter+0x4c9/0x930
[   75.675115][ T4399] Modules linked in:
[   75.679133][ T4399] CPU: 1 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   75.688236][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   75.698545][ T4399] Call Trace:
[   75.701842][ T4399]  <TASK>
[   75.704752][ T4399]  dump_stack_lvl+0x188/0x250
[   75.709510][ T4399]  ? show_regs_print_info+0x20/0x20
[   75.714778][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   75.721015][ T4399]  ? rcu_is_watching+0x11/0xa0
[   75.725777][ T4399]  bad_page+0x14b/0x170
[   75.730034][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   75.735493][ T4399]  free_unref_page_list+0x119/0x830
[   75.740848][ T4399]  ? uncharge_page+0x490/0x490
[   75.745602][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   75.751130][ T4399]  release_pages+0x185f/0x1bd0
[   75.755884][ T4399]  ? lru_cache_disable+0x30/0x30
[   75.760805][ T4399]  __pagevec_release+0x6d/0xe0
[   75.765737][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   75.771455][ T4399]  ? invalidate_inode_page+0x360/0x360
[   75.776904][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   75.782102][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   75.786967][ T4399]  dbUnmount+0x105/0x170
[   75.791216][ T4399]  jfs_umount+0x1f3/0x360
[   75.795616][ T4399]  jfs_put_super+0x88/0x190
[   75.800114][ T4399]  ? jfs_free_inode+0x20/0x20
[   75.804942][ T4399]  generic_shutdown_super+0x130/0x300
[   75.810562][ T4399]  kill_block_super+0x7c/0xe0
[   75.815888][ T4399]  deactivate_locked_super+0x93/0xf0
[   75.821192][ T4399]  cleanup_mnt+0x426/0x4d0
[   75.825697][ T4399]  task_work_run+0x125/0x1a0
[   75.830303][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   75.835910][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   75.841474][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   75.847081][ T4399]  do_syscall_64+0x58/0xa0
[   75.851551][ T4399]  ? clear_bhb_loop+0x30/0x80
[   75.856333][ T4399]  ? clear_bhb_loop+0x30/0x80
[   75.861112][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   75.867008][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   75.871677][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   75.891296][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   75.899896][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   75.907939][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   75.915926][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   75.924050][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   75.932299][ T4399] R13: 00007fcc4c9323ef R14: 00000000000125ce R15: 0000000000000003
[   75.940351][ T4399]  </TASK>
[   76.116730][ T4668] loop0: detected capacity change from 0 to 32768
[   76.153965][ T4668] ERROR: (device loop0): dbDiscardAG: -EIO
[   76.153965][ T4668] 
[   76.162221][ T4668] attempt to access beyond end of device
[   76.162221][ T4668] loop0: rw=2051, want=18014398509498368, limit=32768
[   76.175176][ T4668] JFS: sb_issue_discard(ffff88807824c000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   76.186091][ T4668] blkno = 8000000000400, nblocks = 400
[   76.191941][ T4668] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   76.191941][ T4668] 
[   76.205639][ T4399] BUG: Bad page state in process syz-executor.0  pfn:22a8d
[   76.213142][ T4399] page:ffffea00008aa340 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x22a8d
[   76.223581][ T4399] flags: 0xfff00000002004(uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   76.232301][ T4399] raw: 00fff00000002004 ffffea00007c3a48 ffffc90002f5fa20 0000000000000000
[   76.241107][ T4399] raw: 0000000000000004 ffff88801f0d46c8 00000000ffffffff 0000000000000000
[   76.249724][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   76.257149][ T4399] page_owner tracks the page as allocated
[   76.262867][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4668, ts 76153778348, free_ts 75628273615
[   76.278033][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   76.283710][ T4399]  __alloc_pages+0x1ee/0x480
[   76.288536][ T4399]  __page_cache_alloc+0xce/0x440
[   76.293552][ T4399]  do_read_cache_page+0x1d4/0x1010
[   76.299089][ T4399]  __get_metapage+0x35d/0x1060
[   76.303975][ T4399]  dbAllocCtl+0xd2/0x980
[   76.308378][ T4399]  dbAllocAG+0x1f3/0x1000
[   76.312720][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   76.317752][ T4399]  jfs_ioc_trim+0x428/0x670
[   76.322486][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   76.326781][ T4399]  __se_sys_ioctl+0xfa/0x170
[   76.331562][ T4399]  do_syscall_64+0x4c/0xa0
[   76.336370][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   76.342586][ T4399] page last free stack trace:
[   76.347297][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   76.352771][ T4399]  free_unref_page+0x8f/0x2a0
[   76.357485][ T4399]  __unfreeze_partials+0x188/0x1e0
[   76.362671][ T4399]  put_cpu_partial+0x12d/0x190
[   76.367487][ T4399]  qlist_free_all+0x35/0x90
[   76.372217][ T4399]  kasan_quarantine_reduce+0x150/0x160
[   76.377823][ T4399]  __kasan_slab_alloc+0x2f/0xc0
[   76.382861][ T4399]  slab_post_alloc_hook+0x4c/0x380
[   76.388013][ T4399]  kmem_cache_alloc_node+0x184/0x2c0
[   76.393431][ T4399]  __alloc_skb+0xf4/0x750
[   76.397966][ T4399]  alloc_skb_with_frags+0xa7/0x720
[   76.403118][ T4399]  sock_alloc_send_pskb+0x87f/0x9a0
[   76.408696][ T4399]  unix_dgram_sendmsg+0x6f8/0x19c0
[   76.414169][ T4399]  __sys_sendto+0x46d/0x620
[   76.418782][ T4399]  __x64_sys_sendto+0xda/0xf0
[   76.423723][ T4399]  do_syscall_64+0x4c/0xa0
[   76.428394][ T4399] Modules linked in:
[   76.432501][ T4399] CPU: 0 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   76.441729][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   76.452915][ T4399] Call Trace:
[   76.456188][ T4399]  <TASK>
[   76.459283][ T4399]  dump_stack_lvl+0x188/0x250
[   76.464556][ T4399]  ? show_regs_print_info+0x20/0x20
[   76.469777][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   76.476172][ T4399]  ? rcu_is_watching+0x11/0xa0
[   76.481434][ T4399]  bad_page+0x14b/0x170
[   76.485602][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   76.491244][ T4399]  free_unref_page_list+0x119/0x830
[   76.496438][ T4399]  ? uncharge_page+0x490/0x490
[   76.501480][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   76.507026][ T4399]  release_pages+0x185f/0x1bd0
[   76.511780][ T4399]  ? lru_cache_disable+0x30/0x30
[   76.516806][ T4399]  __pagevec_release+0x6d/0xe0
[   76.521640][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   76.527343][ T4399]  ? invalidate_inode_page+0x360/0x360
[   76.532877][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   76.538093][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   76.542949][ T4399]  dbUnmount+0x105/0x170
[   76.547208][ T4399]  jfs_umount+0x1f3/0x360
[   76.551557][ T4399]  jfs_put_super+0x88/0x190
[   76.556056][ T4399]  ? jfs_free_inode+0x20/0x20
[   76.560740][ T4399]  generic_shutdown_super+0x130/0x300
[   76.566101][ T4399]  kill_block_super+0x7c/0xe0
[   76.570775][ T4399]  deactivate_locked_super+0x93/0xf0
[   76.576065][ T4399]  cleanup_mnt+0x426/0x4d0
[   76.580773][ T4399]  task_work_run+0x125/0x1a0
[   76.585543][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   76.590937][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   76.596479][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   76.601973][ T4399]  do_syscall_64+0x58/0xa0
[   76.606559][ T4399]  ? clear_bhb_loop+0x30/0x80
[   76.611247][ T4399]  ? clear_bhb_loop+0x30/0x80
[   76.616149][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   76.622202][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   76.627108][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   76.647137][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   76.655541][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   76.663706][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   76.672113][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   76.680309][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   76.688498][ T4399] R13: 00007fcc4c9323ef R14: 00000000000128de R15: 0000000000000003
[   76.696658][ T4399]  </TASK>
[   76.874806][ T4670] loop0: detected capacity change from 0 to 32768
[   76.890878][ T4670] ERROR: (device loop0): dbDiscardAG: -EIO
[   76.890878][ T4670] 
[   76.899138][ T4670] attempt to access beyond end of device
[   76.899138][ T4670] loop0: rw=2051, want=18014398509498368, limit=32768
[   76.911875][ T4670] JFS: sb_issue_discard(ffff8880291d0000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   76.922934][ T4670] blkno = 8000000000400, nblocks = 400
[   76.928721][ T4670] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   76.928721][ T4670] 
[   76.942335][ T4399] BUG: Bad page state in process syz-executor.0  pfn:2c92b
[   76.949977][ T4399] page:ffffea0000b24ac0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x2c92b
[   76.960467][ T4399] flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   76.977816][ T4399] raw: 00fff00000002006 ffffea0001d3f8c8 ffffc90002f5fa20 0000000000000000
[   76.986626][ T4399] raw: 0000000000000004 ffff8880740051f0 00000000ffffffff 0000000000000000
[   76.995313][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   77.002999][ T4399] page_owner tracks the page as allocated
[   77.008992][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4670, ts 76890611392, free_ts 76873255727
[   77.024448][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   77.030843][ T4399]  __alloc_pages+0x1ee/0x480
[   77.035670][ T4399]  __page_cache_alloc+0xce/0x440
[   77.041263][ T4399]  do_read_cache_page+0x1d4/0x1010
[   77.046885][ T4399]  __get_metapage+0x35d/0x1060
[   77.051668][ T4399]  dbAllocCtl+0xd2/0x980
[   77.056000][ T4399]  dbAllocAG+0x1f3/0x1000
[   77.060428][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   77.064965][ T4399]  jfs_ioc_trim+0x428/0x670
[   77.069748][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   77.074357][ T4399]  __se_sys_ioctl+0xfa/0x170
[   77.079641][ T4399]  do_syscall_64+0x4c/0xa0
[   77.084154][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   77.090077][ T4399] page last free stack trace:
[   77.094869][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   77.100531][ T4399]  free_unref_page_list+0x119/0x830
[   77.105768][ T4399]  release_pages+0x185f/0x1bd0
[   77.111493][ T4399]  tlb_finish_mmu+0x1b4/0x370
[   77.116574][ T4399]  unmap_region+0x344/0x3b0
[   77.121350][ T4399]  __do_munmap+0xa29/0xe10
[   77.126299][ T4399]  __vm_munmap+0x13f/0x240
[   77.130815][ T4399]  __x64_sys_munmap+0x67/0x70
[   77.135520][ T4399]  do_syscall_64+0x4c/0xa0
[   77.139968][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   77.145903][ T4399] Modules linked in:
[   77.149819][ T4399] CPU: 1 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   77.159144][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   77.169296][ T4399] Call Trace:
[   77.172563][ T4399]  <TASK>
[   77.175475][ T4399]  dump_stack_lvl+0x188/0x250
[   77.180260][ T4399]  ? show_regs_print_info+0x20/0x20
[   77.185449][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   77.191804][ T4399]  ? rcu_is_watching+0x11/0xa0
[   77.196561][ T4399]  bad_page+0x14b/0x170
[   77.200699][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   77.206604][ T4399]  free_unref_page_list+0x119/0x830
[   77.211824][ T4399]  ? uncharge_page+0x490/0x490
[   77.216578][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   77.222120][ T4399]  release_pages+0x185f/0x1bd0
[   77.227188][ T4399]  ? lru_cache_disable+0x30/0x30
[   77.232176][ T4399]  __pagevec_release+0x6d/0xe0
[   77.236977][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   77.242699][ T4399]  ? invalidate_inode_page+0x360/0x360
[   77.248150][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   77.253429][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   77.258272][ T4399]  dbUnmount+0x105/0x170
[   77.262734][ T4399]  jfs_umount+0x1f3/0x360
[   77.267424][ T4399]  jfs_put_super+0x88/0x190
[   77.272163][ T4399]  ? jfs_free_inode+0x20/0x20
[   77.276832][ T4399]  generic_shutdown_super+0x130/0x300
[   77.282203][ T4399]  kill_block_super+0x7c/0xe0
[   77.286865][ T4399]  deactivate_locked_super+0x93/0xf0
[   77.292139][ T4399]  cleanup_mnt+0x426/0x4d0
[   77.296634][ T4399]  task_work_run+0x125/0x1a0
[   77.301303][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   77.306858][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   77.312413][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   77.317929][ T4399]  do_syscall_64+0x58/0xa0
[   77.322440][ T4399]  ? clear_bhb_loop+0x30/0x80
[   77.327195][ T4399]  ? clear_bhb_loop+0x30/0x80
[   77.331867][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   77.337972][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   77.342471][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   77.362157][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   77.370819][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   77.378893][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   77.386899][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   77.394983][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   77.403056][ T4399] R13: 00007fcc4c9323ef R14: 0000000000012bcc R15: 0000000000000003
[   77.411111][ T4399]  </TASK>
[   77.569627][ T4672] loop0: detected capacity change from 0 to 32768
2026/08/18 04:55:21 executed programs: 12
[   77.624542][ T4672] ERROR: (device loop0): dbDiscardAG: -EIO
[   77.624542][ T4672] 
[   77.632747][ T4672] attempt to access beyond end of device
[   77.632747][ T4672] loop0: rw=2051, want=18014398509498368, limit=32768
[   77.645703][ T4672] JFS: sb_issue_discard(ffff88801a9ae000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   77.656386][ T4672] blkno = 8000000000400, nblocks = 400
[   77.662267][ T4672] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   77.662267][ T4672] 
[   77.675112][ T4399] BUG: Bad page state in process syz-executor.0  pfn:1e6f6
[   77.682707][ T4399] page:ffffea000079bd80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1e6f6
[   77.693708][ T4399] flags: 0xfff00000002004(uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   77.702704][ T4399] raw: 00fff00000002004 ffffea000094b688 ffffc90002f5fa20 0000000000000000
[   77.711560][ T4399] raw: 0000000000000004 ffff888074005c98 00000000ffffffff 0000000000000000
[   77.720541][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   77.728022][ T4399] page_owner tracks the page as allocated
[   77.733920][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4672, ts 77624347555, free_ts 76955904395
[   77.749007][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   77.754566][ T4399]  __alloc_pages+0x1ee/0x480
[   77.759182][ T4399]  __page_cache_alloc+0xce/0x440
[   77.764236][ T4399]  do_read_cache_page+0x1d4/0x1010
[   77.769388][ T4399]  __get_metapage+0x35d/0x1060
[   77.774319][ T4399]  dbAllocCtl+0xd2/0x980
[   77.778588][ T4399]  dbAllocAG+0x1f3/0x1000
[   77.782959][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   77.787517][ T4399]  jfs_ioc_trim+0x428/0x670
[   77.792168][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   77.796580][ T4399]  __se_sys_ioctl+0xfa/0x170
[   77.801179][ T4399]  do_syscall_64+0x4c/0xa0
[   77.805711][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   77.811670][ T4399] page last free stack trace:
[   77.816381][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   77.821920][ T4399]  free_unref_page+0x8f/0x2a0
[   77.827025][ T4399]  __unfreeze_partials+0x188/0x1e0
[   77.832151][ T4399]  put_cpu_partial+0x12d/0x190
[   77.836945][ T4399]  qlist_free_all+0x35/0x90
[   77.841660][ T4399]  kasan_quarantine_reduce+0x150/0x160
[   77.847283][ T4399]  __kasan_slab_alloc+0x2f/0xc0
[   77.852154][ T4399]  slab_post_alloc_hook+0x4c/0x380
[   77.857401][ T4399]  kmem_cache_alloc+0x15d/0x280
[   77.863673][ T4399]  getname_flags+0xb7/0x4f0
[   77.868485][ T4399]  user_path_at_empty+0x2a/0x190
[   77.873532][ T4399]  do_utimes+0x12e/0x2a0
[   77.877794][ T4399]  __x64_sys_utimensat+0x15b/0x240
[   77.882905][ T4399]  do_syscall_64+0x4c/0xa0
[   77.887362][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   77.893273][ T4399] Modules linked in:
[   77.897278][ T4399] CPU: 1 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   77.906380][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   77.916530][ T4399] Call Trace:
[   77.919808][ T4399]  <TASK>
[   77.922985][ T4399]  dump_stack_lvl+0x188/0x250
[   77.927762][ T4399]  ? show_regs_print_info+0x20/0x20
[   77.933206][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   77.939459][ T4399]  ? rcu_is_watching+0x11/0xa0
[   77.944227][ T4399]  bad_page+0x14b/0x170
[   77.948471][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   77.954013][ T4399]  free_unref_page_list+0x119/0x830
[   77.959195][ T4399]  ? uncharge_page+0x490/0x490
[   77.963953][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   77.969493][ T4399]  release_pages+0x185f/0x1bd0
[   77.974300][ T4399]  ? lru_cache_disable+0x30/0x30
[   77.979219][ T4399]  __pagevec_release+0x6d/0xe0
[   77.984024][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   77.989756][ T4399]  ? invalidate_inode_page+0x360/0x360
[   77.995308][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   78.000650][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   78.005517][ T4399]  dbUnmount+0x105/0x170
[   78.009771][ T4399]  jfs_umount+0x1f3/0x360
[   78.014100][ T4399]  jfs_put_super+0x88/0x190
[   78.018878][ T4399]  ? jfs_free_inode+0x20/0x20
[   78.023735][ T4399]  generic_shutdown_super+0x130/0x300
[   78.029284][ T4399]  kill_block_super+0x7c/0xe0
[   78.033972][ T4399]  deactivate_locked_super+0x93/0xf0
[   78.039337][ T4399]  cleanup_mnt+0x426/0x4d0
[   78.043758][ T4399]  task_work_run+0x125/0x1a0
[   78.048467][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   78.054309][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   78.059944][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   78.065422][ T4399]  do_syscall_64+0x58/0xa0
[   78.069904][ T4399]  ? clear_bhb_loop+0x30/0x80
[   78.074567][ T4399]  ? clear_bhb_loop+0x30/0x80
[   78.079342][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   78.085408][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   78.089816][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   78.109807][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   78.118217][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   78.126558][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   78.134565][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   78.142864][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   78.150934][ T4399] R13: 00007fcc4c9323ef R14: 0000000000012e8d R15: 0000000000000003
[   78.158906][ T4399]  </TASK>
[   78.327677][ T4674] loop0: detected capacity change from 0 to 32768
[   78.371592][ T4674] ERROR: (device loop0): dbDiscardAG: -EIO
[   78.371592][ T4674] 
[   78.379942][ T4674] attempt to access beyond end of device
[   78.379942][ T4674] loop0: rw=2051, want=18014398509498368, limit=32768
[   78.392392][ T4674] JFS: sb_issue_discard(ffff88802a514000, 2251799813686272, 1024, GFP_NOFS, 0) = -5 => failed!
[   78.402872][ T4674] blkno = 8000000000400, nblocks = 400
[   78.408369][ T4674] ERROR: (device loop0): dbFree: block to be freed is outside the map
[   78.408369][ T4674] 
[   78.422170][ T4399] BUG: Bad page state in process syz-executor.0  pfn:1e927
[   78.429569][ T4399] page:ffffea00007a49c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x4 pfn:0x1e927
[   78.440967][ T4399] flags: 0xfff00000002006(referenced|uptodate|private|node=0|zone=1|lastcpupid=0x7ff)
[   78.451501][ T4399] raw: 00fff00000002006 ffffea00007e9388 ffffc90002f5fa20 0000000000000000
[   78.460553][ T4399] raw: 0000000000000004 ffff88801a78c7c0 00000000ffffffff 0000000000000000
[   78.469440][ T4399] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set
[   78.477343][ T4399] page_owner tracks the page as allocated
[   78.483239][ T4399] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x100c40(GFP_NOFS|__GFP_HARDWALL), pid 4674, ts 78371214632, free_ts 78165444984
[   78.499397][ T4399]  get_page_from_freelist+0x24f6/0x2670
[   78.505416][ T4399]  __alloc_pages+0x1ee/0x480
[   78.510044][ T4399]  __page_cache_alloc+0xce/0x440
[   78.515002][ T4399]  do_read_cache_page+0x1d4/0x1010
[   78.520153][ T4399]  __get_metapage+0x35d/0x1060
[   78.525028][ T4399]  dbAllocCtl+0xd2/0x980
[   78.529293][ T4399]  dbAllocAG+0x1f3/0x1000
[   78.533618][ T4399]  dbDiscardAG+0x2c1/0x8d0
[   78.538253][ T4399]  jfs_ioc_trim+0x428/0x670
[   78.542792][ T4399]  jfs_ioctl+0x2b6/0x3c0
[   78.547302][ T4399]  __se_sys_ioctl+0xfa/0x170
[   78.551905][ T4399]  do_syscall_64+0x4c/0xa0
[   78.556347][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   78.562535][ T4399] page last free stack trace:
[   78.567238][ T4399]  free_unref_page_prepare+0x637/0x6c0
[   78.572721][ T4399]  free_unref_page_list+0x119/0x830
[   78.578103][ T4399]  release_pages+0x185f/0x1bd0
[   78.582978][ T4399]  __pagevec_release+0x6d/0xe0
[   78.587901][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   78.593771][ T4399]  blkdev_flush_mapping+0x188/0x360
[   78.599077][ T4399]  blkdev_put+0x4c3/0x780
[   78.603419][ T4399]  deactivate_locked_super+0x93/0xf0
[   78.608877][ T4399]  cleanup_mnt+0x426/0x4d0
[   78.613301][ T4399]  task_work_run+0x125/0x1a0
[   78.617947][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   78.623318][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   78.628907][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   78.634556][ T4399]  do_syscall_64+0x58/0xa0
[   78.638993][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   78.645012][ T4399] Modules linked in:
[   78.649453][ T4399] CPU: 1 PID: 4399 Comm: syz-executor.0 Tainted: G    B             syzkaller #0
[   78.658906][ T4399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   78.669548][ T4399] Call Trace:
[   78.672849][ T4399]  <TASK>
[   78.675785][ T4399]  dump_stack_lvl+0x188/0x250
[   78.680567][ T4399]  ? show_regs_print_info+0x20/0x20
[   78.685848][ T4399]  ? clockevents_increase_min_delta+0x130/0x130
[   78.692439][ T4399]  ? rcu_is_watching+0x11/0xa0
[   78.697637][ T4399]  bad_page+0x14b/0x170
[   78.701901][ T4399]  free_unref_page_prepare+0x383/0x6c0
[   78.707959][ T4399]  free_unref_page_list+0x119/0x830
[   78.713375][ T4399]  ? uncharge_page+0x490/0x490
[   78.718131][ T4399]  ? free_unref_page_commit+0x4c0/0x4c0
[   78.723666][ T4399]  release_pages+0x185f/0x1bd0
[   78.728412][ T4399]  ? lru_cache_disable+0x30/0x30
[   78.733426][ T4399]  __pagevec_release+0x6d/0xe0
[   78.738165][ T4399]  truncate_inode_pages_range+0x335/0xf90
[   78.743986][ T4399]  ? invalidate_inode_page+0x360/0x360
[   78.749526][ T4399]  ? do_raw_spin_unlock+0x11d/0x230
[   78.754889][ T4399]  ? _raw_spin_unlock+0x24/0x40
[   78.759839][ T4399]  dbUnmount+0x105/0x170
[   78.764336][ T4399]  jfs_umount+0x1f3/0x360
[   78.768661][ T4399]  jfs_put_super+0x88/0x190
[   78.773162][ T4399]  ? jfs_free_inode+0x20/0x20
[   78.777829][ T4399]  generic_shutdown_super+0x130/0x300
[   78.783301][ T4399]  kill_block_super+0x7c/0xe0
[   78.787980][ T4399]  deactivate_locked_super+0x93/0xf0
[   78.793274][ T4399]  cleanup_mnt+0x426/0x4d0
[   78.797782][ T4399]  task_work_run+0x125/0x1a0
[   78.802358][ T4399]  exit_to_user_mode_loop+0x10f/0x130
[   78.807797][ T4399]  exit_to_user_mode_prepare+0xee/0x180
[   78.813427][ T4399]  syscall_exit_to_user_mode+0x16/0x40
[   78.818880][ T4399]  do_syscall_64+0x58/0xa0
[   78.823273][ T4399]  ? clear_bhb_loop+0x30/0x80
[   78.827933][ T4399]  ? clear_bhb_loop+0x30/0x80
[   78.832592][ T4399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   78.838493][ T4399] RIP: 0033:0x7fcc4c8d2a17
[   78.842888][ T4399] Code: a2 c7 05 e8 94 11 00 00 00 00 00 eb 96 e8 f1 09 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 d0 ff ff ff f7 d8 64 89 02 b8
[   78.862652][ T4399] RSP: 002b:00007ffca1a7e8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   78.871613][ T4399] RAX: 0000000000000000 RBX: 00007fcc4c9323ef RCX: 00007fcc4c8d2a17
[   78.879805][ T4399] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffca1a7e980
[   78.887853][ T4399] RBP: 00007ffca1a7e980 R08: 00007ffca1a7f980 R09: 00000000ffffffff
[   78.895814][ T4399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffca1a7fa40
[   78.903773][ T4399] R13: 00007fcc4c9323ef R14: 0000000000013183 R15: 0000000000000003
[   78.911756][ T4399]  </TASK>
[   79.069531][ T4676] loop0: detected capacity change from 0 to 32768