982] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  612.985395][ T9982] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  612.985408][ T9982] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  612.985421][ T9982] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  612.985433][ T9982] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  612.985463][ T9982]  </TASK>
[  612.985504][ T9982] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  612.985518][ T9982] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  613.201950][ T9999] loop2: detected capacity change from 0 to 32768
[  613.211172][ T9999] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  613.211193][ T9999] CPU: 0 UID: 0 PID: 9999 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  613.211213][ T9999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  613.211224][ T9999] Call Trace:
[  613.211231][ T9999]  <TASK>
[  613.211239][ T9999]  dump_stack_lvl+0xe8/0x150
[  613.211267][ T9999]  sysfs_create_dir_ns+0x271/0x2a0
[  613.211290][ T9999]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  613.211318][ T9999]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  613.211342][ T9999]  ? rt_spin_unlock+0x160/0x200
[  613.211369][ T9999]  kobject_add_internal+0x631/0xd10
[  613.211401][ T9999]  kobject_init_and_add+0x12b/0x1a0
[  613.211430][ T9999]  ? __pfx_kobject_init_and_add+0x10/0x10
[  613.211455][ T9999]  ? __raw_spin_lock_init+0x45/0x100
[  613.211482][ T9999]  ? __init_swait_queue_head+0xa9/0x150
[  613.211511][ T9999]  gfs2_sys_fs_add+0x257/0x480
[  613.211532][ T9999]  ? is_dynamic_key+0x1ac/0x1c0
[  613.211551][ T9999]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
executing program
[  613.211582][ T9999]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  613.211615][ T9999]  gfs2_fill_super+0x141c/0x2220
[  613.211652][ T9999]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.211669][ T9999]  ? rt_spin_unlock+0x14f/0x200
[  613.211697][ T9999]  ? sb_set_blocksize+0x11b/0x210
[  613.211718][ T9999]  ? setup_bdev_super+0x4c1/0x5b0
[  613.211746][ T9999]  get_tree_bdev_flags+0x431/0x4f0
[  613.211771][ T9999]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.211790][ T9999]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  613.211811][ T9999]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  613.211844][ T9999]  gfs2_get_tree+0x51/0x1e0
[  613.211866][ T9999]  vfs_get_tree+0x92/0x2a0
[  613.211892][ T9999]  do_new_mount+0x341/0xd30
[  613.211910][ T9999]  ? apparmor_capable+0x126/0x170
[  613.211950][ T9999]  ? __pfx_do_new_mount+0x10/0x10
[  613.211977][ T9999]  ? ns_capable+0x89/0xe0
[  613.212004][ T9999]  ? user_path_at+0xd4/0x160
[  613.212031][ T9999]  ? user_path_at+0xd4/0x160
[  613.212055][ T9999]  __se_sys_mount+0x31d/0x420
[  613.212081][ T9999]  ? __pfx___se_sys_mount+0x10/0x10
[  613.212107][ T9999]  ? __x64_sys_mount+0x20/0xc0
[  613.212127][ T9999]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.212152][ T9999]  do_syscall_64+0x15f/0xf80
[  613.212171][ T9999]  ? trace_irq_disable+0x3b/0x140
[  613.212195][ T9999]  ? clear_bhb_loop+0x40/0x90
[  613.212216][ T9999]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.212234][ T9999] RIP: 0033:0x7f65fb21363a
[  613.212252][ T9999] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  613.212267][ T9999] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  613.212287][ T9999] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  613.212300][ T9999] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  613.212313][ T9999] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  613.212326][ T9999] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  613.212337][ T9999] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  613.212364][ T9999]  </TASK>
[  613.221133][ T9999] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  613.221155][ T9999] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  613.503254][ T9991] loop4: detected capacity change from 0 to 32768
[  613.531760][ T9991] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  613.531782][ T9991] CPU: 0 UID: 0 PID: 9991 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  613.531804][ T9991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  613.531815][ T9991] Call Trace:
[  613.531822][ T9991]  <TASK>
[  613.531829][ T9991]  dump_stack_lvl+0xe8/0x150
[  613.531858][ T9991]  sysfs_create_dir_ns+0x271/0x2a0
[  613.531881][ T9991]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  613.531909][ T9991]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  613.531941][ T9991]  ? rt_spin_unlock+0x160/0x200
[  613.531968][ T9991]  kobject_add_internal+0x631/0xd10
[  613.532000][ T9991]  kobject_init_and_add+0x12b/0x1a0
[  613.532029][ T9991]  ? __pfx_kobject_init_and_add+0x10/0x10
[  613.532055][ T9991]  ? __raw_spin_lock_init+0x45/0x100
[  613.532081][ T9991]  ? __init_swait_queue_head+0xa9/0x150
[  613.532109][ T9991]  gfs2_sys_fs_add+0x257/0x480
[  613.532131][ T9991]  ? is_dynamic_key+0x1ac/0x1c0
[  613.532150][ T9991]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  613.532181][ T9991]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  613.532213][ T9991]  gfs2_fill_super+0x141c/0x2220
[  613.532247][ T9991]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.532264][ T9991]  ? rt_spin_unlock+0x14f/0x200
[  613.532293][ T9991]  ? sb_set_blocksize+0x11b/0x210
[  613.532313][ T9991]  ? setup_bdev_super+0x4c1/0x5b0
[  613.532342][ T9991]  get_tree_bdev_flags+0x431/0x4f0
[  613.532367][ T9991]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.532385][ T9991]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  613.532408][ T9991]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  613.532442][ T9991]  gfs2_get_tree+0x51/0x1e0
[  613.532463][ T9991]  vfs_get_tree+0x92/0x2a0
[  613.532490][ T9991]  do_new_mount+0x341/0xd30
[  613.532509][ T9991]  ? apparmor_capable+0x126/0x170
[  613.532534][ T9991]  ? __pfx_do_new_mount+0x10/0x10
[  613.532555][ T9991]  ? ns_capable+0x89/0xe0
[  613.532583][ T9991]  ? user_path_at+0xd4/0x160
[  613.532609][ T9991]  ? user_path_at+0xd4/0x160
[  613.532632][ T9991]  __se_sys_mount+0x31d/0x420
[  613.532658][ T9991]  ? __pfx___se_sys_mount+0x10/0x10
executing program
executing program
[  613.532684][ T9991]  ? __x64_sys_mount+0x20/0xc0
[  613.532704][ T9991]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.532721][ T9991]  do_syscall_64+0x15f/0xf80
[  613.532737][ T9991]  ? trace_irq_disable+0x3b/0x140
[  613.532760][ T9991]  ? clear_bhb_loop+0x40/0x90
[  613.532782][ T9991]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.532799][ T9991] RIP: 0033:0x7f65fb21363a
[  613.532818][ T9991] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  613.532832][ T9991] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  613.532852][ T9991] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  613.532865][ T9991] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  613.532876][ T9991] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  613.532888][ T9991] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  613.532900][ T9991] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  613.532933][ T9991]  </TASK>
[  613.532972][ T9991] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  613.532986][ T9991] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  613.573504][ T9998] loop3: detected capacity change from 0 to 32768
[  613.615178][ T9998] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  613.615201][ T9998] CPU: 0 UID: 0 PID: 9998 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  613.615222][ T9998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  613.615232][ T9998] Call Trace:
[  613.615239][ T9998]  <TASK>
[  613.615248][ T9998]  dump_stack_lvl+0xe8/0x150
[  613.615279][ T9998]  sysfs_create_dir_ns+0x271/0x2a0
[  613.615303][ T9998]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  613.615330][ T9998]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  613.615354][ T9998]  ? rt_spin_unlock+0x160/0x200
[  613.615381][ T9998]  kobject_add_internal+0x631/0xd10
[  613.615414][ T9998]  kobject_init_and_add+0x12b/0x1a0
[  613.615443][ T9998]  ? __pfx_kobject_init_and_add+0x10/0x10
[  613.615467][ T9998]  ? __raw_spin_lock_init+0x45/0x100
[  613.615494][ T9998]  ? __init_swait_queue_head+0xa9/0x150
[  613.615523][ T9998]  gfs2_sys_fs_add+0x257/0x480
[  613.615545][ T9998]  ? is_dynamic_key+0x1ac/0x1c0
[  613.615564][ T9998]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  613.615595][ T9998]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  613.615628][ T9998]  gfs2_fill_super+0x141c/0x2220
[  613.615665][ T9998]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.615682][ T9998]  ? rt_spin_unlock+0x14f/0x200
[  613.615710][ T9998]  ? sb_set_blocksize+0x11b/0x210
[  613.615731][ T9998]  ? setup_bdev_super+0x4c1/0x5b0
[  613.615759][ T9998]  get_tree_bdev_flags+0x431/0x4f0
[  613.615784][ T9998]  ? __pfx_gfs2_fill_super+0x10/0x10
[  613.615802][ T9998]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  613.615825][ T9998]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  613.615854][ T9998]  gfs2_get_tree+0x51/0x1e0
[  613.615874][ T9998]  vfs_get_tree+0x92/0x2a0
[  613.615900][ T9998]  do_new_mount+0x341/0xd30
[  613.615927][ T9998]  ? apparmor_capable+0x126/0x170
[  613.615954][ T9998]  ? __pfx_do_new_mount+0x10/0x10
[  613.615974][ T9998]  ? ns_capable+0x89/0xe0
[  613.616001][ T9998]  ? user_path_at+0xd4/0x160
[  613.616027][ T9998]  ? user_path_at+0xd4/0x160
[  613.616052][ T9998]  __se_sys_mount+0x31d/0x420
[  613.616078][ T9998]  ? __pfx___se_sys_mount+0x10/0x10
[  613.616104][ T9998]  ? __x64_sys_mount+0x20/0xc0
[  613.616123][ T9998]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.616143][ T9998]  do_syscall_64+0x15f/0xf80
[  613.616163][ T9998]  ? trace_irq_disable+0x3b/0x140
[  613.616188][ T9998]  ? clear_bhb_loop+0x40/0x90
[  613.616208][ T9998]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  613.616226][ T9998] RIP: 0033:0x7f65fb21363a
[  613.616244][ T9998] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  613.616259][ T9998] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  613.616279][ T9998] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  613.616292][ T9998] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  613.616304][ T9998] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  613.616316][ T9998] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  613.616328][ T9998] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  613.616355][ T9998]  </TASK>
executing program
[  613.616392][ T9998] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  613.616405][ T9998] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  613.649870][ T6816] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[  613.772505][ T6877] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[  614.482242][ T6811] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[  614.562581][ T6820] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  615.641563][T10015] loop2: detected capacity change from 0 to 32768
[  615.655791][T10015] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  615.655816][T10015] CPU: 0 UID: 0 PID: 10015 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  615.655837][T10015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  615.655848][T10015] Call Trace:
[  615.655855][T10015]  <TASK>
[  615.655863][T10015]  dump_stack_lvl+0xe8/0x150
[  615.655891][T10015]  sysfs_create_dir_ns+0x271/0x2a0
[  615.655914][T10015]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  615.655941][T10015]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  615.655966][T10015]  ? rt_spin_unlock+0x160/0x200
[  615.655992][T10015]  kobject_add_internal+0x631/0xd10
[  615.656023][T10015]  kobject_init_and_add+0x12b/0x1a0
[  615.656052][T10015]  ? __pfx_kobject_init_and_add+0x10/0x10
[  615.656078][T10015]  ? __raw_spin_lock_init+0x45/0x100
[  615.656104][T10015]  ? __init_swait_queue_head+0xa9/0x150
[  615.656133][T10015]  gfs2_sys_fs_add+0x257/0x480
[  615.656155][T10015]  ? is_dynamic_key+0x1ac/0x1c0
[  615.656174][T10015]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  615.656205][T10015]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  615.656237][T10015]  gfs2_fill_super+0x141c/0x2220
[  615.656269][T10015]  ? __pfx_gfs2_fill_super+0x10/0x10
[  615.656286][T10015]  ? rt_spin_unlock+0x14f/0x200
[  615.656314][T10015]  ? sb_set_blocksize+0x11b/0x210
executing program
[  615.656335][T10015]  ? setup_bdev_super+0x4c1/0x5b0
[  615.656363][T10015]  get_tree_bdev_flags+0x431/0x4f0
[  615.656389][T10015]  ? __pfx_gfs2_fill_super+0x10/0x10
[  615.656407][T10015]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  615.656429][T10015]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  615.656464][T10015]  gfs2_get_tree+0x51/0x1e0
[  615.656486][T10015]  vfs_get_tree+0x92/0x2a0
[  615.656512][T10015]  do_new_mount+0x341/0xd30
[  615.656531][T10015]  ? apparmor_capable+0x126/0x170
[  615.656555][T10015]  ? __pfx_do_new_mount+0x10/0x10
[  615.656575][T10015]  ? ns_capable+0x89/0xe0
[  615.656602][T10015]  ? user_path_at+0xd4/0x160
[  615.656628][T10015]  ? user_path_at+0xd4/0x160
[  615.656659][T10015]  __se_sys_mount+0x31d/0x420
[  615.656685][T10015]  ? __pfx___se_sys_mount+0x10/0x10
[  615.656711][T10015]  ? __x64_sys_mount+0x20/0xc0
[  615.656732][T10015]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.656751][T10015]  do_syscall_64+0x15f/0xf80
[  615.656770][T10015]  ? trace_irq_disable+0x3b/0x140
[  615.656795][T10015]  ? clear_bhb_loop+0x40/0x90
[  615.656816][T10015]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  615.656834][T10015] RIP: 0033:0x7f65fb21363a
[  615.656850][T10015] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  615.656865][T10015] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  615.656885][T10015] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  615.656898][T10015] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  615.656911][T10015] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  615.656924][T10015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  615.656935][T10015] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  615.656963][T10015]  </TASK>
[  615.656986][T10015] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  615.657001][T10015] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  615.956568][T10023] loop4: detected capacity change from 0 to 32768
[  616.012265][T10023] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  616.012288][T10023] CPU: 0 UID: 0 PID: 10023 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  616.012310][T10023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  616.012319][T10023] Call Trace:
[  616.012327][T10023]  <TASK>
[  616.012334][T10023]  dump_stack_lvl+0xe8/0x150
[  616.012362][T10023]  sysfs_create_dir_ns+0x271/0x2a0
[  616.012387][T10023]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  616.012414][T10023]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  616.012439][T10023]  ? rt_spin_unlock+0x160/0x200
[  616.012465][T10023]  kobject_add_internal+0x631/0xd10
[  616.012500][T10023]  kobject_init_and_add+0x12b/0x1a0
[  616.012529][T10023]  ? __pfx_kobject_init_and_add+0x10/0x10
[  616.012554][T10023]  ? __raw_spin_lock_init+0x45/0x100
[  616.012581][T10023]  ? __init_swait_queue_head+0xa9/0x150
[  616.012610][T10023]  gfs2_sys_fs_add+0x257/0x480
[  616.012632][T10023]  ? is_dynamic_key+0x1ac/0x1c0
[  616.012651][T10023]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  616.012682][T10023]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  616.012715][T10023]  gfs2_fill_super+0x141c/0x2220
[  616.012748][T10023]  ? __pfx_gfs2_fill_super+0x10/0x10
[  616.012765][T10023]  ? rt_spin_unlock+0x14f/0x200
[  616.012794][T10023]  ? sb_set_blocksize+0x11b/0x210
[  616.012815][T10023]  ? setup_bdev_super+0x4c1/0x5b0
[  616.012842][T10023]  get_tree_bdev_flags+0x431/0x4f0
[  616.012868][T10023]  ? __pfx_gfs2_fill_super+0x10/0x10
[  616.012886][T10023]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  616.012909][T10023]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  616.012950][T10023]  gfs2_get_tree+0x51/0x1e0
[  616.012972][T10023]  vfs_get_tree+0x92/0x2a0
[  616.012999][T10023]  do_new_mount+0x341/0xd30
[  616.013018][T10023]  ? apparmor_capable+0x126/0x170
[  616.013044][T10023]  ? __pfx_do_new_mount+0x10/0x10
[  616.013065][T10023]  ? ns_capable+0x89/0xe0
[  616.013091][T10023]  ? user_path_at+0xd4/0x160
[  616.013117][T10023]  ? user_path_at+0xd4/0x160
[  616.013141][T10023]  __se_sys_mount+0x31d/0x420
[  616.013168][T10023]  ? __pfx___se_sys_mount+0x10/0x10
[  616.013194][T10023]  ? __x64_sys_mount+0x20/0xc0
[  616.013214][T10023]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  616.013233][T10023]  do_syscall_64+0x15f/0xf80
[  616.013253][T10023]  ? trace_irq_disable+0x3b/0x140
[  616.013277][T10023]  ? clear_bhb_loop+0x40/0x90
[  616.013298][T10023]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  616.013316][T10023] RIP: 0033:0x7f65fb21363a
[  616.013333][T10023] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  616.013348][T10023] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  616.013367][T10023] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  616.013381][T10023] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  616.013393][T10023] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  616.013405][T10023] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  616.013417][T10023] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  616.013444][T10023]  </TASK>
[  616.025843][T10023] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  616.025864][T10023] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  616.067700][ T6816] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[  616.104635][ T6837] gfs2: fsid=syz:syz.0: file system withdrawn
[  616.323507][T10028] loop0: detected capacity change from 0 to 32768
[  616.409279][T10028] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  616.409302][T10028] CPU: 0 UID: 0 PID: 10028 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  616.409325][T10028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  616.409336][T10028] Call Trace:
[  616.409343][T10028]  <TASK>
[  616.409358][T10028]  dump_stack_lvl+0xe8/0x150
[  616.409409][T10028]  sysfs_create_dir_ns+0x271/0x2a0
[  616.409434][T10028]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  616.409462][T10028]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  616.409488][T10028]  ? rt_spin_unlock+0x160/0x200
[  616.409516][T10028]  kobject_add_internal+0x631/0xd10
[  616.409549][T10028]  kobject_init_and_add+0x12b/0x1a0
[  616.409578][T10028]  ? __pfx_kobject_init_and_add+0x10/0x10
[  616.409604][T10028]  ? __raw_spin_lock_init+0x45/0x100
[  616.409631][T10028]  ? __init_swait_queue_head+0xa9/0x150
[  616.409660][T10028]  gfs2_sys_fs_add+0x257/0x480
[  616.409684][T10028]  ? is_dynamic_key+0x1ac/0x1c0
[  616.409704][T10028]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  616.409736][T10028]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  616.409770][T10028]  gfs2_fill_super+0x141c/0x2220
[  616.409805][T10028]  ? __pfx_gfs2_fill_super+0x10/0x10
[  616.409823][T10028]  ? rt_spin_unlock+0x14f/0x200
[  616.409860][T10028]  ? sb_set_blocksize+0x11b/0x210
[  616.409882][T10028]  ? setup_bdev_super+0x4c1/0x5b0
[  616.409911][T10028]  get_tree_bdev_flags+0x431/0x4f0
[  616.409936][T10028]  ? __pfx_gfs2_fill_super+0x10/0x10
[  616.409952][T10028]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  616.409973][T10028]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  616.410004][T10028]  gfs2_get_tree+0x51/0x1e0
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  616.410025][T10028]  vfs_get_tree+0x92/0x2a0
[  616.410050][T10028]  do_new_mount+0x341/0xd30
[  616.410070][T10028]  ? apparmor_capable+0x126/0x170
[  616.410096][T10028]  ? __pfx_do_new_mount+0x10/0x10
[  616.410117][T10028]  ? ns_capable+0x89/0xe0
[  616.410143][T10028]  ? user_path_at+0xd4/0x160
[  616.410168][T10028]  ? user_path_at+0xd4/0x160
[  616.410189][T10028]  __se_sys_mount+0x31d/0x420
[  616.410214][T10028]  ? __pfx___se_sys_mount+0x10/0x10
[  616.410242][T10028]  ? __x64_sys_mount+0x20/0xc0
[  616.410262][T10028]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  616.410282][T10028]  do_syscall_64+0x15f/0xf80
[  616.410303][T10028]  ? trace_irq_disable+0x3b/0x140
[  616.410329][T10028]  ? clear_bhb_loop+0x40/0x90
[  616.410351][T10028]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  616.410383][T10028] RIP: 0033:0x7f65fb21363a
[  616.410401][T10028] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  616.410417][T10028] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  616.410437][T10028] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  616.410450][T10028] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  616.410463][T10028] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  616.410476][T10028] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  616.410487][T10028] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  616.410517][T10028]  </TASK>
[  616.426254][T10024] loop3: detected capacity change from 0 to 32768
[  616.454854][T10028] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  616.454877][T10028] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  616.501817][T10024] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  616.501944][T10024] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  616.641406][T10024] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[  616.702336][ T6837] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  616.702357][ T6837] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
executing program
[  616.872124][ T8939] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[  617.051544][ T6837] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 349ms
[  617.056084][ T6837] gfs2: fsid=syz:syz.0: jid=0: Done
[  617.056131][T10024] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  617.137967][ T6811] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[  617.177711][ T6877] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  617.477153][T10024] gfs2: fsid=syz:syz.0: found 1 quota changes
executing program
[  617.623058][ T8947] syz-executor170: attempt to access beyond end of device
[  617.623058][ T8947] loop3: rw=12289, sector=68719479080, nr_sectors = 8 limit=32768
[  617.623093][ T8947] Buffer I/O error on dev loop3, logical block 8589934885, lost async page write
[  617.623196][ T8947] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116
[  617.623224][ T8947] CPU: 1 UID: 0 PID: 8947 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  617.623246][ T8947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  617.623257][ T8947] Call Trace:
[  617.623264][ T8947]  <TASK>
[  617.623272][ T8947]  dump_stack_lvl+0xe8/0x150
[  617.623301][ T8947]  gfs2_withdraw+0xc3/0x1b0
[  617.623324][ T8947]  gfs2_ail1_flush+0x990/0xfd0
[  617.623367][ T8947]  ? __pfx_gfs2_ail1_flush+0x10/0x10
[  617.623404][ T8947]  empty_ail1_list+0x1b3/0x330
[  617.623432][ T8947]  ? __pfx_empty_ail1_list+0x10/0x10
[  617.623496][ T8947]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  617.623524][ T8947]  ? rt_spin_unlock+0x14f/0x200
[  617.623553][ T8947]  ? rt_spin_unlock+0x160/0x200
[  617.623581][ T8947]  __gfs2_log_flush+0x16d1/0x1dc0
[  617.623618][ T8947]  ? __pfx___gfs2_log_flush+0x10/0x10
[  617.623652][ T8947]  gfs2_log_flush+0x34/0x50
[  617.623674][ T8947]  gfs2_kill_sb+0x5c/0x430
[  617.623699][ T8947]  deactivate_locked_super+0xbc/0x130
[  617.623724][ T8947]  cleanup_mnt+0x437/0x4d0
[  617.623746][ T8947]  ? _raw_spin_unlock_irq+0x23/0x50
[  617.623768][ T8947]  task_work_run+0x1d9/0x270
[  617.623794][ T8947]  ? __pfx_task_work_run+0x10/0x10
[  617.623826][ T8947]  exit_to_user_mode_loop+0xf3/0x4d0
[  617.623844][ T8947]  ? rcu_is_watching+0x15/0xb0
[  617.623868][ T8947]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  617.623888][ T8947]  do_syscall_64+0x33e/0xf80
[  617.623909][ T8947]  ? trace_irq_disable+0x3b/0x140
[  617.623935][ T8947]  ? clear_bhb_loop+0x40/0x90
[  617.623959][ T8947]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  617.623977][ T8947] RIP: 0033:0x7f65fb213607
[  617.623995][ T8947] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 c8 14 0b 00 00 00 00 00 eb 96 e8 21 08 00 00 90 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
[  617.624011][ T8947] RSP: 002b:00007ffd3d1d1438 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[  617.624031][ T8947] RAX: 0000000000000000 RBX: 0000000000095d59 RCX: 00007f65fb213607
[  617.624044][ T8947] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3d1d14f0
[  617.624056][ T8947] RBP: 00007ffd3d1d14f0 R08: 00007ffd3d1d24f0 R09: 00000000ffffffff
[  617.624070][ T8947] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd3d1d25a0
[  617.624082][ T8947] R13: 000055555f69f790 R14: 431bde82d7b634db R15: 00007ffd3d1d2544
[  617.624114][ T8947]  </TASK>
[  617.624254][ T8947] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  618.323202][T10064] loop1: detected capacity change from 0 to 32768
[  618.336908][T10064] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  618.336930][T10064] CPU: 0 UID: 0 PID: 10064 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  618.336952][T10064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  618.336963][T10064] Call Trace:
[  618.336971][T10064]  <TASK>
[  618.336979][T10064]  dump_stack_lvl+0xe8/0x150
[  618.337009][T10064]  sysfs_create_dir_ns+0x271/0x2a0
[  618.337033][T10064]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  618.337063][T10064]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  618.337089][T10064]  ? rt_spin_unlock+0x160/0x200
[  618.337117][T10064]  kobject_add_internal+0x631/0xd10
[  618.337150][T10064]  kobject_init_and_add+0x12b/0x1a0
[  618.337181][T10064]  ? __pfx_kobject_init_and_add+0x10/0x10
[  618.337207][T10064]  ? __raw_spin_lock_init+0x45/0x100
[  618.337235][T10064]  ? __init_swait_queue_head+0xa9/0x150
[  618.337264][T10064]  gfs2_sys_fs_add+0x257/0x480
[  618.337287][T10064]  ? is_dynamic_key+0x1ac/0x1c0
[  618.337307][T10064]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  618.337344][T10064]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  618.337379][T10064]  gfs2_fill_super+0x141c/0x2220
[  618.337413][T10064]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.337431][T10064]  ? rt_spin_unlock+0x14f/0x200
[  618.337460][T10064]  ? sb_set_blocksize+0x11b/0x210
[  618.337482][T10064]  ? setup_bdev_super+0x4c1/0x5b0
[  618.337512][T10064]  get_tree_bdev_flags+0x431/0x4f0
[  618.337537][T10064]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.337555][T10064]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  618.337576][T10064]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  618.337611][T10064]  gfs2_get_tree+0x51/0x1e0
[  618.337633][T10064]  vfs_get_tree+0x92/0x2a0
[  618.337668][T10064]  do_new_mount+0x341/0xd30
[  618.337688][T10064]  ? apparmor_capable+0x126/0x170
[  618.337714][T10064]  ? __pfx_do_new_mount+0x10/0x10
[  618.337735][T10064]  ? ns_capable+0x89/0xe0
[  618.337763][T10064]  ? user_path_at+0xd4/0x160
[  618.337790][T10064]  ? user_path_at+0xd4/0x160
[  618.337815][T10064]  __se_sys_mount+0x31d/0x420
[  618.337843][T10064]  ? __pfx___se_sys_mount+0x10/0x10
[  618.337871][T10064]  ? __x64_sys_mount+0x20/0xc0
[  618.337891][T10064]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.337912][T10064]  do_syscall_64+0x15f/0xf80
[  618.337932][T10064]  ? trace_irq_disable+0x3b/0x140
[  618.337957][T10064]  ? clear_bhb_loop+0x40/0x90
[  618.337979][T10064]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.337998][T10064] RIP: 0033:0x7f65fb21363a
[  618.338016][T10064] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  618.338032][T10064] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  618.338052][T10064] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  618.338066][T10064] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  618.338079][T10064] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  618.338092][T10064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  618.338104][T10064] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  618.338133][T10064]  </TASK>
[  618.338282][T10064] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  618.338298][T10064] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  618.675294][T10041] loop2: detected capacity change from 0 to 32768
[  618.707766][T10041] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  618.707788][T10041] CPU: 0 UID: 0 PID: 10041 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  618.707810][T10041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  618.707820][T10041] Call Trace:
[  618.707828][T10041]  <TASK>
[  618.707836][T10041]  dump_stack_lvl+0xe8/0x150
[  618.707865][T10041]  sysfs_create_dir_ns+0x271/0x2a0
[  618.707889][T10041]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  618.707917][T10041]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  618.707943][T10041]  ? rt_spin_unlock+0x160/0x200
[  618.707971][T10041]  kobject_add_internal+0x631/0xd10
[  618.708004][T10041]  kobject_init_and_add+0x12b/0x1a0
[  618.708034][T10041]  ? __pfx_kobject_init_and_add+0x10/0x10
[  618.708061][T10041]  ? __raw_spin_lock_init+0x45/0x100
[  618.708088][T10041]  ? __init_swait_queue_head+0xa9/0x150
[  618.708118][T10041]  gfs2_sys_fs_add+0x257/0x480
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  618.708142][T10041]  ? is_dynamic_key+0x1ac/0x1c0
[  618.708162][T10041]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  618.708193][T10041]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  618.708227][T10041]  gfs2_fill_super+0x141c/0x2220
[  618.708258][T10041]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.708273][T10041]  ? rt_spin_unlock+0x14f/0x200
[  618.708299][T10041]  ? sb_set_blocksize+0x11b/0x210
[  618.708318][T10041]  ? setup_bdev_super+0x4c1/0x5b0
[  618.708350][T10041]  get_tree_bdev_flags+0x431/0x4f0
[  618.708483][T10041]  ? __pfx_gfs2_fill_super+0x10/0x10
[  618.708502][T10041]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  618.708522][T10041]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  618.708554][T10041]  gfs2_get_tree+0x51/0x1e0
[  618.708574][T10041]  vfs_get_tree+0x92/0x2a0
[  618.708595][T10041]  do_new_mount+0x341/0xd30
[  618.708610][T10041]  ? apparmor_capable+0x126/0x170
[  618.708631][T10041]  ? __pfx_do_new_mount+0x10/0x10
[  618.708648][T10041]  ? ns_capable+0x89/0xe0
[  618.708671][T10041]  ? user_path_at+0xd4/0x160
[  618.708692][T10041]  ? user_path_at+0xd4/0x160
executing program
[  618.708711][T10041]  __se_sys_mount+0x31d/0x420
[  618.708732][T10041]  ? __pfx___se_sys_mount+0x10/0x10
[  618.708753][T10041]  ? __x64_sys_mount+0x20/0xc0
[  618.708769][T10041]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.708784][T10041]  do_syscall_64+0x15f/0xf80
[  618.708800][T10041]  ? trace_irq_disable+0x3b/0x140
[  618.708820][T10041]  ? clear_bhb_loop+0x40/0x90
[  618.708837][T10041]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  618.708852][T10041] RIP: 0033:0x7f65fb21363a
[  618.708866][T10041] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  618.708878][T10041] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  618.708894][T10041] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  618.708905][T10041] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  618.708916][T10041] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  618.708925][T10041] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  618.708935][T10041] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  618.708957][T10041]  </TASK>
[  618.732533][T10041] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  618.732555][T10041] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  618.990177][T10060] loop0: detected capacity change from 0 to 32768
[  619.039137][ T6877] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[  619.048957][T10060] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  619.048981][T10060] CPU: 1 UID: 0 PID: 10060 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  619.049002][T10060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  619.049013][T10060] Call Trace:
[  619.049020][T10060]  <TASK>
[  619.049028][T10060]  dump_stack_lvl+0xe8/0x150
[  619.049057][T10060]  sysfs_create_dir_ns+0x271/0x2a0
[  619.049080][T10060]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  619.049108][T10060]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  619.049132][T10060]  ? rt_spin_unlock+0x160/0x200
[  619.049159][T10060]  kobject_add_internal+0x631/0xd10
[  619.049191][T10060]  kobject_init_and_add+0x12b/0x1a0
[  619.049220][T10060]  ? __pfx_kobject_init_and_add+0x10/0x10
[  619.049245][T10060]  ? __raw_spin_lock_init+0x45/0x100
[  619.049272][T10060]  ? __init_swait_queue_head+0xa9/0x150
[  619.049303][T10060]  gfs2_sys_fs_add+0x257/0x480
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  619.049325][T10060]  ? is_dynamic_key+0x1ac/0x1c0
[  619.049344][T10060]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  619.049382][T10060]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  619.049416][T10060]  gfs2_fill_super+0x141c/0x2220
[  619.049450][T10060]  ? __pfx_gfs2_fill_super+0x10/0x10
[  619.049467][T10060]  ? rt_spin_unlock+0x14f/0x200
[  619.049495][T10060]  ? sb_set_blocksize+0x11b/0x210
[  619.049517][T10060]  ? setup_bdev_super+0x4c1/0x5b0
[  619.049544][T10060]  get_tree_bdev_flags+0x431/0x4f0
[  619.049569][T10060]  ? __pfx_gfs2_fill_super+0x10/0x10
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  619.049588][T10060]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  619.049611][T10060]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  619.049644][T10060]  gfs2_get_tree+0x51/0x1e0
[  619.049667][T10060]  vfs_get_tree+0x92/0x2a0
[  619.049693][T10060]  do_new_mount+0x341/0xd30
[  619.049713][T10060]  ? apparmor_capable+0x126/0x170
[  619.049738][T10060]  ? __pfx_do_new_mount+0x10/0x10
[  619.049758][T10060]  ? ns_capable+0x89/0xe0
[  619.049785][T10060]  ? user_path_at+0xd4/0x160
[  619.049811][T10060]  ? user_path_at+0xd4/0x160
executing program
[  619.049835][T10060]  __se_sys_mount+0x31d/0x420
[  619.049860][T10060]  ? __pfx___se_sys_mount+0x10/0x10
[  619.049886][T10060]  ? __x64_sys_mount+0x20/0xc0
[  619.049906][T10060]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  619.049929][T10060]  do_syscall_64+0x15f/0xf80
[  619.049947][T10060]  ? trace_irq_disable+0x3b/0x140
[  619.049970][T10060]  ? clear_bhb_loop+0x40/0x90
[  619.049991][T10060]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  619.050007][T10060] RIP: 0033:0x7f65fb21363a
executing program
[  619.050025][T10060] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  619.050041][T10060] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  619.050060][T10060] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  619.050074][T10060] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  619.050087][T10060] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  619.050099][T10060] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  619.050110][T10060] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  619.050137][T10060]  </TASK>
[  619.058908][T10060] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  619.058930][T10060] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  619.106116][T10047] loop4: detected capacity change from 0 to 32768
[  619.175182][T10047] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  619.175204][T10047] CPU: 1 UID: 0 PID: 10047 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  619.175224][T10047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  619.175235][T10047] Call Trace:
[  619.175243][T10047]  <TASK>
[  619.175251][T10047]  dump_stack_lvl+0xe8/0x150
[  619.175279][T10047]  sysfs_create_dir_ns+0x271/0x2a0
[  619.175311][T10047]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  619.175338][T10047]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  619.175362][T10047]  ? rt_spin_unlock+0x160/0x200
[  619.175389][T10047]  kobject_add_internal+0x631/0xd10
[  619.175420][T10047]  kobject_init_and_add+0x12b/0x1a0
[  619.175449][T10047]  ? __pfx_kobject_init_and_add+0x10/0x10
[  619.175474][T10047]  ? __raw_spin_lock_init+0x45/0x100
[  619.175500][T10047]  ? __init_swait_queue_head+0xa9/0x150
[  619.175528][T10047]  gfs2_sys_fs_add+0x257/0x480
[  619.175550][T10047]  ? is_dynamic_key+0x1ac/0x1c0
[  619.175568][T10047]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  619.175599][T10047]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  619.175631][T10047]  gfs2_fill_super+0x141c/0x2220
[  619.175664][T10047]  ? __pfx_gfs2_fill_super+0x10/0x10
[  619.175685][T10047]  ? rt_spin_unlock+0x14f/0x200
[  619.175718][T10047]  ? sb_set_blocksize+0x11b/0x210
[  619.175739][T10047]  ? setup_bdev_super+0x4c1/0x5b0
[  619.175767][T10047]  get_tree_bdev_flags+0x431/0x4f0
[  619.175792][T10047]  ? __pfx_gfs2_fill_super+0x10/0x10
[  619.175810][T10047]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  619.175832][T10047]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  619.175865][T10047]  gfs2_get_tree+0x51/0x1e0
[  619.175887][T10047]  vfs_get_tree+0x92/0x2a0
[  619.175913][T10047]  do_new_mount+0x341/0xd30
[  619.175933][T10047]  ? apparmor_capable+0x126/0x170
[  619.175958][T10047]  ? __pfx_do_new_mount+0x10/0x10
[  619.175979][T10047]  ? ns_capable+0x89/0xe0
[  619.176006][T10047]  ? user_path_at+0xd4/0x160
[  619.176031][T10047]  ? user_path_at+0xd4/0x160
[  619.176056][T10047]  __se_sys_mount+0x31d/0x420
[  619.176082][T10047]  ? __pfx___se_sys_mount+0x10/0x10
[  619.176109][T10047]  ? __x64_sys_mount+0x20/0xc0
[  619.176128][T10047]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  619.176148][T10047]  do_syscall_64+0x15f/0xf80
[  619.176168][T10047]  ? trace_irq_disable+0x3b/0x140
[  619.176192][T10047]  ? clear_bhb_loop+0x40/0x90
[  619.176214][T10047]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  619.176231][T10047] RIP: 0033:0x7f65fb21363a
[  619.176248][T10047] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  619.176263][T10047] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  619.176283][T10047] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  619.176302][T10047] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  619.176314][T10047] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  619.176326][T10047] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  619.176337][T10047] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  619.176365][T10047]  </TASK>
[  619.176400][T10047] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  619.176414][T10047] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  619.661748][ T6811] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[  619.777620][ T6820] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
executing program
[  620.084023][ T6816] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[  620.982071][T10075] loop2: detected capacity change from 0 to 32768
[  620.996271][T10083] loop0: detected capacity change from 0 to 32768
[  621.012927][T10075] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  621.012949][T10075] CPU: 0 UID: 0 PID: 10075 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  621.012971][T10075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  621.012981][T10075] Call Trace:
[  621.012988][T10075]  <TASK>
[  621.012997][T10075]  dump_stack_lvl+0xe8/0x150
[  621.013026][T10075]  sysfs_create_dir_ns+0x271/0x2a0
[  621.013050][T10075]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  621.013078][T10075]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  621.013102][T10075]  ? rt_spin_unlock+0x160/0x200
[  621.013137][T10075]  kobject_add_internal+0x631/0xd10
[  621.013169][T10075]  kobject_init_and_add+0x12b/0x1a0
[  621.013199][T10075]  ? __pfx_kobject_init_and_add+0x10/0x10
[  621.013225][T10075]  ? __raw_spin_lock_init+0x45/0x100
[  621.013253][T10075]  ? __init_swait_queue_head+0xa9/0x150
[  621.013283][T10075]  gfs2_sys_fs_add+0x257/0x480
[  621.013306][T10075]  ? is_dynamic_key+0x1ac/0x1c0
[  621.013324][T10075]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  621.013354][T10075]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  621.013387][T10075]  gfs2_fill_super+0x141c/0x2220
[  621.013417][T10075]  ? __pfx_gfs2_fill_super+0x10/0x10
[  621.013434][T10075]  ? rt_spin_unlock+0x14f/0x200
[  621.013463][T10075]  ? sb_set_blocksize+0x11b/0x210
[  621.013483][T10075]  ? setup_bdev_super+0x4c1/0x5b0
[  621.013510][T10075]  get_tree_bdev_flags+0x431/0x4f0
[  621.013536][T10075]  ? __pfx_gfs2_fill_super+0x10/0x10
[  621.013554][T10075]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  621.013576][T10075]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  621.013610][T10075]  gfs2_get_tree+0x51/0x1e0
[  621.013632][T10075]  vfs_get_tree+0x92/0x2a0
[  621.013658][T10075]  do_new_mount+0x341/0xd30
[  621.013676][T10075]  ? apparmor_capable+0x126/0x170
[  621.013703][T10075]  ? __pfx_do_new_mount+0x10/0x10
[  621.013723][T10075]  ? ns_capable+0x89/0xe0
[  621.013751][T10075]  ? user_path_at+0xd4/0x160
[  621.013782][T10075]  ? user_path_at+0xd4/0x160
[  621.013806][T10075]  __se_sys_mount+0x31d/0x420
[  621.013832][T10075]  ? __pfx___se_sys_mount+0x10/0x10
executing program
[  621.013859][T10075]  ? __x64_sys_mount+0x20/0xc0
[  621.013879][T10075]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  621.013898][T10075]  do_syscall_64+0x15f/0xf80
[  621.013918][T10075]  ? trace_irq_disable+0x3b/0x140
[  621.013942][T10075]  ? clear_bhb_loop+0x40/0x90
[  621.013961][T10075]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  621.013979][T10075] RIP: 0033:0x7f65fb21363a
[  621.013996][T10075] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  621.014012][T10075] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  621.014031][T10075] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  621.014045][T10075] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  621.014058][T10075] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  621.014070][T10075] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  621.014082][T10075] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  621.014110][T10075]  </TASK>
[  621.014143][T10075] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  621.018575][T10083] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  621.018597][T10083] CPU: 1 UID: 0 PID: 10083 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  621.018618][T10083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  621.018630][T10083] Call Trace:
[  621.018638][T10083]  <TASK>
[  621.018647][T10083]  dump_stack_lvl+0xe8/0x150
[  621.018675][T10083]  sysfs_create_dir_ns+0x271/0x2a0
[  621.018698][T10083]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  621.018726][T10083]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  621.018749][T10083]  ? rt_spin_unlock+0x160/0x200
[  621.018763][T10075] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  621.018776][T10083]  kobject_add_internal+0x631/0xd10
[  621.018805][T10083]  kobject_init_and_add+0x12b/0x1a0
[  621.018828][T10083]  ? __pfx_kobject_init_and_add+0x10/0x10
[  621.018849][T10083]  ? __raw_spin_lock_init+0x45/0x100
[  621.018870][T10083]  ? __init_swait_queue_head+0xa9/0x150
[  621.018893][T10083]  gfs2_sys_fs_add+0x257/0x480
[  621.018911][T10083]  ? is_dynamic_key+0x1ac/0x1c0
[  621.018927][T10083]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  621.018968][T10083]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  621.018995][T10083]  gfs2_fill_super+0x141c/0x2220
[  621.019028][T10083]  ? __pfx_gfs2_fill_super+0x10/0x10
[  621.019041][T10083]  ? rt_spin_unlock+0x14f/0x200
[  621.019068][T10083]  ? sb_set_blocksize+0x11b/0x210
[  621.019087][T10083]  ? setup_bdev_super+0x4c1/0x5b0
[  621.019112][T10083]  get_tree_bdev_flags+0x431/0x4f0
[  621.019137][T10083]  ? __pfx_gfs2_fill_super+0x10/0x10
[  621.019155][T10083]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  621.019175][T10083]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  621.019208][T10083]  gfs2_get_tree+0x51/0x1e0
[  621.019230][T10083]  vfs_get_tree+0x92/0x2a0
[  621.019255][T10083]  do_new_mount+0x341/0xd30
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  621.019273][T10083]  ? apparmor_capable+0x126/0x170
[  621.019299][T10083]  ? __pfx_do_new_mount+0x10/0x10
[  621.019317][T10083]  ? ns_capable+0x89/0xe0
[  621.019344][T10083]  ? user_path_at+0xd4/0x160
[  621.019376][T10083]  ? user_path_at+0xd4/0x160
[  621.019399][T10083]  __se_sys_mount+0x31d/0x420
[  621.019427][T10083]  ? __pfx___se_sys_mount+0x10/0x10
[  621.019453][T10083]  ? __x64_sys_mount+0x20/0xc0
[  621.019472][T10083]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  621.019490][T10083]  do_syscall_64+0x15f/0xf80
[  621.019509][T10083]  ? trace_irq_disable+0x3b/0x140
[  621.019530][T10083]  ? clear_bhb_loop+0x40/0x90
[  621.019551][T10083]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  621.019568][T10083] RIP: 0033:0x7f65fb21363a
[  621.019587][T10083] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  621.019602][T10083] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
executing program
executing program
[  621.019621][T10083] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  621.019634][T10083] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  621.019644][T10083] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  621.019654][T10083] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  621.019664][T10083] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  621.019692][T10083]  </TASK>
[  621.019717][T10083] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  621.019730][T10083] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  621.188005][T10083] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[  621.299442][T10085] loop1: detected capacity change from 0 to 32768
[  621.335957][T10085] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  621.335979][T10085] CPU: 1 UID: 0 PID: 10085 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  621.335999][T10085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  621.336010][T10085] Call Trace:
[  621.336018][T10085]  <TASK>
[  621.336025][T10085]  dump_stack_lvl+0xe8/0x150
[  621.336054][T10085]  sysfs_create_dir_ns+0x271/0x2a0
[  621.336077][T10085]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  621.336104][T10085]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  621.336129][T10085]  ? rt_spin_unlock+0x160/0x200
[  621.336155][T10085]  kobject_add_internal+0x631/0xd10
[  621.336186][T10085]  kobject_init_and_add+0x12b/0x1a0
[  621.336215][T10085]  ? __pfx_kobject_init_and_add+0x10/0x10
[  621.336240][T10085]  ? __raw_spin_lock_init+0x45/0x100
[  621.336266][T10085]  ? __init_swait_queue_head+0xa9/0x150
[  621.336296][T10085]  gfs2_sys_fs_add+0x257/0x480
[  621.336318][T10085]  ? is_dynamic_key+0x1ac/0x1c0
[  621.336343][T10085]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  621.336373][T10085]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  621.336406][T10085]  gfs2_fill_super+0x141c/0x2220
[  621.336440][T10085]  ? __pfx_gfs2_fill_super+0x10/0x10
[  621.336457][T10085]  ? rt_spin_unlock+0x14f/0x200
[  621.336485][T10085]  ? sb_set_blocksize+0x11b/0x210
[  621.336506][T10085]  ? setup_bdev_super+0x4c1/0x5b0
[  621.336535][T10085]  get_tree_bdev_flags+0x431/0x4f0
[  621.336561][T10085]  ? __pfx_gfs2_fill_super+0x10/0x10
[  621.336579][T10085]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  621.336601][T10085]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  621.336637][T10085]  gfs2_get_tree+0x51/0x1e0
[  621.336659][T10085]  vfs_get_tree+0x92/0x2a0
[  621.336685][T10085]  do_new_mount+0x341/0xd30
[  621.336704][T10085]  ? apparmor_capable+0x126/0x170
[  621.336730][T10085]  ? __pfx_do_new_mount+0x10/0x10
[  621.336750][T10085]  ? ns_capable+0x89/0xe0
[  621.336777][T10085]  ? user_path_at+0xd4/0x160
[  621.336803][T10085]  ? user_path_at+0xd4/0x160
[  621.336828][T10085]  __se_sys_mount+0x31d/0x420
[  621.336854][T10085]  ? __pfx___se_sys_mount+0x10/0x10
[  621.336881][T10085]  ? __x64_sys_mount+0x20/0xc0
[  621.336901][T10085]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  621.336920][T10085]  do_syscall_64+0x15f/0xf80
[  621.336940][T10085]  ? trace_irq_disable+0x3b/0x140
[  621.336965][T10085]  ? clear_bhb_loop+0x40/0x90
[  621.336986][T10085]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  621.337004][T10085] RIP: 0033:0x7f65fb21363a
[  621.337021][T10085] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  621.337036][T10085] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  621.337056][T10085] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  621.337069][T10085] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  621.337081][T10085] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  621.337092][T10085] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  621.337108][T10085] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  621.337135][T10085]  </TASK>
[  621.337168][T10085] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  621.337182][T10085] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  621.418333][T10082] loop4: detected capacity change from 0 to 32768
[  621.478497][T10082] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  621.478520][T10082] CPU: 1 UID: 0 PID: 10082 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  621.478542][T10082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  621.478552][T10082] Call Trace:
[  621.478560][T10082]  <TASK>
[  621.478567][T10082]  dump_stack_lvl+0xe8/0x150
[  621.478594][T10082]  sysfs_create_dir_ns+0x271/0x2a0
[  621.478616][T10082]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  621.478642][T10082]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  621.478667][T10082]  ? rt_spin_unlock+0x160/0x200
[  621.478693][T10082]  kobject_add_internal+0x631/0xd10
[  621.478725][T10082]  kobject_init_and_add+0x12b/0x1a0
[  621.478753][T10082]  ? __pfx_kobject_init_and_add+0x10/0x10
[  621.478778][T10082]  ? __raw_spin_lock_init+0x45/0x100
[  621.478805][T10082]  ? __init_swait_queue_head+0xa9/0x150
[  621.478834][T10082]  gfs2_sys_fs_add+0x257/0x480
[  621.478856][T10082]  ? is_dynamic_key+0x1ac/0x1c0
[  621.478874][T10082]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  621.478923][T10082]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  621.478957][T10082]  gfs2_fill_super+0x141c/0x2220
[  621.478990][T10082]  ? __pfx_gfs2_fill_super+0x10/0x10
[  621.479007][T10082]  ? rt_spin_unlock+0x14f/0x200
[  621.479039][T10082]  ? sb_set_blocksize+0x11b/0x210
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  621.479059][T10082]  ? setup_bdev_super+0x4c1/0x5b0
[  621.479087][T10082]  get_tree_bdev_flags+0x431/0x4f0
[  621.479112][T10082]  ? __pfx_gfs2_fill_super+0x10/0x10
[  621.479137][T10082]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  621.479160][T10082]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  621.479195][T10082]  gfs2_get_tree+0x51/0x1e0
[  621.479216][T10082]  vfs_get_tree+0x92/0x2a0
[  621.479243][T10082]  do_new_mount+0x341/0xd30
[  621.479262][T10082]  ? apparmor_capable+0x126/0x170
[  621.479288][T10082]  ? __pfx_do_new_mount+0x10/0x10
[  621.479308][T10082]  ? ns_capable+0x89/0xe0
[  621.479335][T10082]  ? user_path_at+0xd4/0x160
[  621.479362][T10082]  ? user_path_at+0xd4/0x160
[  621.479386][T10082]  __se_sys_mount+0x31d/0x420
[  621.479412][T10082]  ? __pfx___se_sys_mount+0x10/0x10
[  621.479438][T10082]  ? __x64_sys_mount+0x20/0xc0
[  621.479458][T10082]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  621.479478][T10082]  do_syscall_64+0x15f/0xf80
[  621.479497][T10082]  ? trace_irq_disable+0x3b/0x140
[  621.479521][T10082]  ? clear_bhb_loop+0x40/0x90
[  621.479542][T10082]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  621.479560][T10082] RIP: 0033:0x7f65fb21363a
[  621.479578][T10082] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  621.479593][T10082] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  621.479612][T10082] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  621.479625][T10082] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  621.479639][T10082] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  621.479651][T10082] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  621.479662][T10082] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  621.479690][T10082]  </TASK>
[  621.479726][T10082] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  621.479741][T10082] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[  621.740710][ T6816] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[  621.955066][ T6811] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[  622.288450][ T6820] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[  622.656865][  T823] gfs2: fsid=syz:syz.0: file system withdrawn
[  622.964300][ T8947] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
executing program
[  623.636227][T10102] loop2: detected capacity change from 0 to 32768
[  623.689491][T10102] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  623.689510][T10102] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  623.784619][T10102] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[  623.787589][ T6699] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  623.787608][ T6699] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  623.832522][ T6699] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 44ms
[  623.832753][ T6699] gfs2: fsid=syz:syz.0: jid=0: Done
[  623.833281][T10102] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  623.985040][T10114] loop0: detected capacity change from 0 to 32768
[  624.040484][T10114] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  624.040506][T10114] CPU: 1 UID: 0 PID: 10114 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  624.040528][T10114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  624.040538][T10114] Call Trace:
[  624.040545][T10114]  <TASK>
[  624.040553][T10114]  dump_stack_lvl+0xe8/0x150
[  624.040582][T10114]  sysfs_create_dir_ns+0x271/0x2a0
[  624.040606][T10114]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  624.040634][T10114]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  624.040657][T10114]  ? rt_spin_unlock+0x160/0x200
[  624.040682][T10114]  kobject_add_internal+0x631/0xd10
[  624.040702][T10114]  kobject_init_and_add+0x12b/0x1a0
[  624.040719][T10114]  ? __pfx_kobject_init_and_add+0x10/0x10
[  624.040734][T10114]  ? __raw_spin_lock_init+0x45/0x100
[  624.040751][T10114]  ? __init_swait_queue_head+0xa9/0x150
[  624.040769][T10114]  gfs2_sys_fs_add+0x257/0x480
[  624.040782][T10114]  ? is_dynamic_key+0x1ac/0x1c0
[  624.040793][T10114]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  624.040817][T10114]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  624.040837][T10114]  gfs2_fill_super+0x141c/0x2220
[  624.040856][T10114]  ? __pfx_gfs2_fill_super+0x10/0x10
[  624.040865][T10114]  ? rt_spin_unlock+0x14f/0x200
[  624.040882][T10114]  ? sb_set_blocksize+0x11b/0x210
[  624.040894][T10114]  ? setup_bdev_super+0x4c1/0x5b0
[  624.040911][T10114]  get_tree_bdev_flags+0x431/0x4f0
[  624.040926][T10114]  ? __pfx_gfs2_fill_super+0x10/0x10
[  624.040937][T10114]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  624.040951][T10114]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  624.040971][T10114]  gfs2_get_tree+0x51/0x1e0
[  624.040983][T10114]  vfs_get_tree+0x92/0x2a0
[  624.041000][T10114]  do_new_mount+0x341/0xd30
[  624.041011][T10114]  ? apparmor_capable+0x126/0x170
[  624.041026][T10114]  ? __pfx_do_new_mount+0x10/0x10
[  624.041038][T10114]  ? ns_capable+0x89/0xe0
[  624.041055][T10114]  ? user_path_at+0xd4/0x160
[  624.041072][T10114]  ? user_path_at+0xd4/0x160
[  624.041087][T10114]  __se_sys_mount+0x31d/0x420
[  624.041102][T10114]  ? __pfx___se_sys_mount+0x10/0x10
[  624.041117][T10114]  ? __x64_sys_mount+0x20/0xc0
[  624.041129][T10114]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  624.041140][T10114]  do_syscall_64+0x15f/0xf80
[  624.041152][T10114]  ? trace_irq_disable+0x3b/0x140
[  624.041167][T10114]  ? clear_bhb_loop+0x40/0x90
[  624.041180][T10114]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  624.041190][T10114] RIP: 0033:0x7f65fb21363a
[  624.041201][T10114] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  624.041209][T10114] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  624.041221][T10114] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  624.041228][T10114] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  624.041235][T10114] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
executing program
[  624.041242][T10114] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  624.041249][T10114] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  624.041263][T10114]  </TASK>
[  624.041279][T10114] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  624.041287][T10114] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  624.292500][T10102] gfs2: fsid=syz:syz.0: found 1 quota changes
[  624.404016][T10110] loop4: detected capacity change from 0 to 32768
[  624.475429][ T1327] ieee802154 phy0 wpan0: encryption failed: -22
[  624.475526][ T1327] ieee802154 phy1 wpan1: encryption failed: -22
[  624.539751][ T8940] syz-executor170: attempt to access beyond end of device
[  624.539751][ T8940] loop2: rw=12289, sector=68719479080, nr_sectors = 8 limit=32768
[  624.539784][ T8940] Buffer I/O error on dev loop2, logical block 8589934885, lost async page write
[  624.539886][ T8940] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116
[  624.539911][ T8940] CPU: 0 UID: 0 PID: 8940 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  624.539934][ T8940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  624.539944][ T8940] Call Trace:
[  624.539951][ T8940]  <TASK>
[  624.539959][ T8940]  dump_stack_lvl+0xe8/0x150
[  624.539987][ T8940]  gfs2_withdraw+0xc3/0x1b0
[  624.540016][ T8940]  gfs2_ail1_flush+0x990/0xfd0
[  624.540055][ T8940]  ? __pfx_gfs2_ail1_flush+0x10/0x10
[  624.540091][ T8940]  empty_ail1_list+0x1b3/0x330
[  624.540118][ T8940]  ? __pfx_empty_ail1_list+0x10/0x10
[  624.540173][ T8940]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  624.540199][ T8940]  ? rt_spin_unlock+0x14f/0x200
[  624.540224][ T8940]  ? rt_spin_unlock+0x160/0x200
[  624.540248][ T8940]  __gfs2_log_flush+0x16d1/0x1dc0
[  624.540283][ T8940]  ? __pfx___gfs2_log_flush+0x10/0x10
[  624.540312][ T8940]  gfs2_log_flush+0x34/0x50
[  624.540332][ T8940]  gfs2_kill_sb+0x5c/0x430
[  624.540357][ T8940]  deactivate_locked_super+0xbc/0x130
[  624.540384][ T8940]  cleanup_mnt+0x437/0x4d0
[  624.540409][ T8940]  ? _raw_spin_unlock_irq+0x23/0x50
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  624.540434][ T8940]  task_work_run+0x1d9/0x270
[  624.540459][ T8940]  ? __pfx_task_work_run+0x10/0x10
[  624.540492][ T8940]  exit_to_user_mode_loop+0xf3/0x4d0
[  624.540510][ T8940]  ? rcu_is_watching+0x15/0xb0
[  624.540532][ T8940]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  624.540552][ T8940]  do_syscall_64+0x33e/0xf80
[  624.540572][ T8940]  ? trace_irq_disable+0x3b/0x140
[  624.540597][ T8940]  ? clear_bhb_loop+0x40/0x90
[  624.540620][ T8940]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  624.540638][ T8940] RIP: 0033:0x7f65fb213607
[  624.540656][ T8940] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 c8 14 0b 00 00 00 00 00 eb 96 e8 21 08 00 00 90 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
[  624.540671][ T8940] RSP: 002b:00007ffd3d1d1438 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[  624.540691][ T8940] RAX: 0000000000000000 RBX: 0000000000097a08 RCX: 00007f65fb213607
[  624.540704][ T8940] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3d1d14f0
executing program
[  624.540716][ T8940] RBP: 00007ffd3d1d14f0 R08: 00007ffd3d1d24f0 R09: 00000000ffffffff
[  624.540728][ T8940] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd3d1d25a0
[  624.540740][ T8940] R13: 000055555f69f790 R14: 431bde82d7b634db R15: 00007ffd3d1d2544
[  624.540771][ T8940]  </TASK>
[  624.570122][ T8940] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  624.576438][T10110] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  624.576462][T10110] CPU: 1 UID: 0 PID: 10110 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  624.576487][T10110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  624.576498][T10110] Call Trace:
[  624.576506][T10110]  <TASK>
[  624.576514][T10110]  dump_stack_lvl+0xe8/0x150
[  624.576544][T10110]  sysfs_create_dir_ns+0x271/0x2a0
[  624.576567][T10110]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  624.576595][T10110]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  624.576621][T10110]  ? rt_spin_unlock+0x160/0x200
[  624.576647][T10110]  kobject_add_internal+0x631/0xd10
executing program
[  624.576678][T10110]  kobject_init_and_add+0x12b/0x1a0
[  624.576707][T10110]  ? __pfx_kobject_init_and_add+0x10/0x10
[  624.576733][T10110]  ? __raw_spin_lock_init+0x45/0x100
[  624.576765][T10110]  ? __init_swait_queue_head+0xa9/0x150
[  624.576794][T10110]  gfs2_sys_fs_add+0x257/0x480
[  624.576816][T10110]  ? is_dynamic_key+0x1ac/0x1c0
[  624.576836][T10110]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  624.576871][T10110]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  624.576903][T10110]  gfs2_fill_super+0x141c/0x2220
[  624.576937][T10110]  ? __pfx_gfs2_fill_super+0x10/0x10
[  624.576954][T10110]  ? rt_spin_unlock+0x14f/0x200
[  624.576982][T10110]  ? sb_set_blocksize+0x11b/0x210
[  624.577003][T10110]  ? setup_bdev_super+0x4c1/0x5b0
[  624.577031][T10110]  get_tree_bdev_flags+0x431/0x4f0
[  624.577053][T10110]  ? __pfx_gfs2_fill_super+0x10/0x10
[  624.577071][T10110]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  624.577093][T10110]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  624.577128][T10110]  gfs2_get_tree+0x51/0x1e0
[  624.577149][T10110]  vfs_get_tree+0x92/0x2a0
[  624.577176][T10110]  do_new_mount+0x341/0xd30
[  624.577195][T10110]  ? apparmor_capable+0x126/0x170
[  624.577221][T10110]  ? __pfx_do_new_mount+0x10/0x10
[  624.577241][T10110]  ? ns_capable+0x89/0xe0
[  624.577269][T10110]  ? user_path_at+0xd4/0x160
[  624.577294][T10110]  ? user_path_at+0xd4/0x160
[  624.577318][T10110]  __se_sys_mount+0x31d/0x420
[  624.577345][T10110]  ? __pfx___se_sys_mount+0x10/0x10
[  624.577372][T10110]  ? __x64_sys_mount+0x20/0xc0
[  624.577402][T10110]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  624.577422][T10110]  do_syscall_64+0x15f/0xf80
[  624.577442][T10110]  ? trace_irq_disable+0x3b/0x140
[  624.577467][T10110]  ? clear_bhb_loop+0x40/0x90
[  624.577487][T10110]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  624.577504][T10110] RIP: 0033:0x7f65fb21363a
[  624.577522][T10110] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  624.577536][T10110] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  624.577556][T10110] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  624.577570][T10110] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  624.577582][T10110] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  624.577594][T10110] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  624.577605][T10110] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  624.577633][T10110]  </TASK>
[  624.588442][T10110] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  624.588463][T10110] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  624.633052][T10109] loop1: detected capacity change from 0 to 32768
[  624.654222][ T6877] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[  624.689974][T10109] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  624.689996][T10109] CPU: 1 UID: 0 PID: 10109 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  624.690016][T10109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  624.690026][T10109] Call Trace:
[  624.690033][T10109]  <TASK>
[  624.690041][T10109]  dump_stack_lvl+0xe8/0x150
[  624.690069][T10109]  sysfs_create_dir_ns+0x271/0x2a0
[  624.690091][T10109]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  624.690119][T10109]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  624.690143][T10109]  ? rt_spin_unlock+0x160/0x200
[  624.690169][T10109]  kobject_add_internal+0x631/0xd10
[  624.690198][T10109]  kobject_init_and_add+0x12b/0x1a0
[  624.690227][T10109]  ? __pfx_kobject_init_and_add+0x10/0x10
[  624.690252][T10109]  ? __raw_spin_lock_init+0x45/0x100
[  624.690279][T10109]  ? __init_swait_queue_head+0xa9/0x150
[  624.690307][T10109]  gfs2_sys_fs_add+0x257/0x480
[  624.690329][T10109]  ? is_dynamic_key+0x1ac/0x1c0
[  624.690345][T10109]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  624.690375][T10109]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  624.690408][T10109]  gfs2_fill_super+0x141c/0x2220
[  624.690441][T10109]  ? __pfx_gfs2_fill_super+0x10/0x10
[  624.690458][T10109]  ? rt_spin_unlock+0x14f/0x200
[  624.690487][T10109]  ? sb_set_blocksize+0x11b/0x210
[  624.690507][T10109]  ? setup_bdev_super+0x4c1/0x5b0
[  624.690535][T10109]  get_tree_bdev_flags+0x431/0x4f0
[  624.690560][T10109]  ? __pfx_gfs2_fill_super+0x10/0x10
[  624.690579][T10109]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  624.690601][T10109]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  624.690635][T10109]  gfs2_get_tree+0x51/0x1e0
[  624.690657][T10109]  vfs_get_tree+0x92/0x2a0
[  624.690683][T10109]  do_new_mount+0x341/0xd30
[  624.690702][T10109]  ? apparmor_capable+0x126/0x170
[  624.690735][T10109]  ? __pfx_do_new_mount+0x10/0x10
[  624.690756][T10109]  ? ns_capable+0x89/0xe0
[  624.690783][T10109]  ? user_path_at+0xd4/0x160
[  624.690809][T10109]  ? user_path_at+0xd4/0x160
[  624.690833][T10109]  __se_sys_mount+0x31d/0x420
[  624.690859][T10109]  ? __pfx___se_sys_mount+0x10/0x10
[  624.690886][T10109]  ? __x64_sys_mount+0x20/0xc0
[  624.690906][T10109]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  624.690925][T10109]  do_syscall_64+0x15f/0xf80
[  624.690945][T10109]  ? trace_irq_disable+0x3b/0x140
[  624.690969][T10109]  ? clear_bhb_loop+0x40/0x90
[  624.690991][T10109]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  624.691009][T10109] RIP: 0033:0x7f65fb21363a
[  624.691027][T10109] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  624.691043][T10109] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  624.691062][T10109] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  624.691075][T10109] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  624.691087][T10109] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  624.691100][T10109] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  624.691111][T10109] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  624.691139][T10109]  </TASK>
[  624.691235][T10109] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  624.691249][T10109] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  625.236003][ T6811] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[  625.534380][ T6820] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[  626.217859][T10120] loop3: detected capacity change from 0 to 32768
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  626.233157][T10120] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  626.233181][T10120] CPU: 1 UID: 0 PID: 10120 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  626.233202][T10120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  626.233214][T10120] Call Trace:
[  626.233222][T10120]  <TASK>
executing program
[  626.233230][T10120]  dump_stack_lvl+0xe8/0x150
[  626.233261][T10120]  sysfs_create_dir_ns+0x271/0x2a0
[  626.233285][T10120]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  626.233312][T10120]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  626.233339][T10120]  ? rt_spin_unlock+0x160/0x200
[  626.233367][T10120]  kobject_add_internal+0x631/0xd10
[  626.233401][T10120]  kobject_init_and_add+0x12b/0x1a0
[  626.233431][T10120]  ? __pfx_kobject_init_and_add+0x10/0x10
[  626.233456][T10120]  ? __raw_spin_lock_init+0x45/0x100
[  626.233484][T10120]  ? __init_swait_queue_head+0xa9/0x150
[  626.233515][T10120]  gfs2_sys_fs_add+0x257/0x480
[  626.233538][T10120]  ? is_dynamic_key+0x1ac/0x1c0
[  626.233558][T10120]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  626.233590][T10120]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  626.233627][T10120]  gfs2_fill_super+0x141c/0x2220
[  626.233661][T10120]  ? __pfx_gfs2_fill_super+0x10/0x10
[  626.233678][T10120]  ? rt_spin_unlock+0x14f/0x200
[  626.233708][T10120]  ? sb_set_blocksize+0x11b/0x210
[  626.233730][T10120]  ? setup_bdev_super+0x4c1/0x5b0
[  626.233759][T10120]  get_tree_bdev_flags+0x431/0x4f0
[  626.233785][T10120]  ? __pfx_gfs2_fill_super+0x10/0x10
[  626.233805][T10120]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  626.233828][T10120]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  626.233870][T10120]  gfs2_get_tree+0x51/0x1e0
[  626.233894][T10120]  vfs_get_tree+0x92/0x2a0
[  626.233922][T10120]  do_new_mount+0x341/0xd30
[  626.233942][T10120]  ? apparmor_capable+0x126/0x170
[  626.233969][T10120]  ? __pfx_do_new_mount+0x10/0x10
[  626.233990][T10120]  ? ns_capable+0x89/0xe0
[  626.234018][T10120]  ? user_path_at+0xd4/0x160
[  626.234045][T10120]  ? user_path_at+0xd4/0x160
[  626.234070][T10120]  __se_sys_mount+0x31d/0x420
[  626.234097][T10120]  ? __pfx___se_sys_mount+0x10/0x10
[  626.234125][T10120]  ? __x64_sys_mount+0x20/0xc0
[  626.234146][T10120]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  626.234165][T10120]  do_syscall_64+0x15f/0xf80
[  626.234184][T10120]  ? trace_irq_disable+0x3b/0x140
[  626.234207][T10120]  ? clear_bhb_loop+0x40/0x90
[  626.234226][T10120]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  626.234243][T10120] RIP: 0033:0x7f65fb21363a
[  626.234260][T10120] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  626.234274][T10120] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  626.234292][T10120] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  626.234304][T10120] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  626.234316][T10120] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  626.234328][T10120] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  626.234339][T10120] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  626.234367][T10120]  </TASK>
[  626.237410][T10120] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  626.237432][T10120] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  626.680364][ T6816] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[  626.755593][T10134] loop0: detected capacity change from 0 to 32768
[  626.787063][T10134] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  626.787085][T10134] CPU: 0 UID: 0 PID: 10134 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  626.787105][T10134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  626.787116][T10134] Call Trace:
[  626.787124][T10134]  <TASK>
[  626.787132][T10134]  dump_stack_lvl+0xe8/0x150
[  626.787158][T10134]  sysfs_create_dir_ns+0x271/0x2a0
[  626.787181][T10134]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  626.787209][T10134]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  626.787234][T10134]  ? rt_spin_unlock+0x160/0x200
[  626.787260][T10134]  kobject_add_internal+0x631/0xd10
[  626.787291][T10134]  kobject_init_and_add+0x12b/0x1a0
[  626.787320][T10134]  ? __pfx_kobject_init_and_add+0x10/0x10
[  626.787345][T10134]  ? __raw_spin_lock_init+0x45/0x100
[  626.787371][T10134]  ? __init_swait_queue_head+0xa9/0x150
[  626.787402][T10134]  gfs2_sys_fs_add+0x257/0x480
[  626.787424][T10134]  ? is_dynamic_key+0x1ac/0x1c0
[  626.787444][T10134]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  626.787476][T10134]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  626.787510][T10134]  gfs2_fill_super+0x141c/0x2220
[  626.787544][T10134]  ? __pfx_gfs2_fill_super+0x10/0x10
[  626.787561][T10134]  ? rt_spin_unlock+0x14f/0x200
[  626.787587][T10134]  ? sb_set_blocksize+0x11b/0x210
[  626.787607][T10134]  ? setup_bdev_super+0x4c1/0x5b0
[  626.787634][T10134]  get_tree_bdev_flags+0x431/0x4f0
[  626.787659][T10134]  ? __pfx_gfs2_fill_super+0x10/0x10
[  626.787679][T10134]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  626.787702][T10134]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  626.787738][T10134]  gfs2_get_tree+0x51/0x1e0
[  626.787761][T10134]  vfs_get_tree+0x92/0x2a0
[  626.787797][T10134]  do_new_mount+0x341/0xd30
[  626.787816][T10134]  ? apparmor_capable+0x126/0x170
[  626.787843][T10134]  ? __pfx_do_new_mount+0x10/0x10
[  626.787865][T10134]  ? ns_capable+0x89/0xe0
[  626.787893][T10134]  ? user_path_at+0xd4/0x160
[  626.787921][T10134]  ? user_path_at+0xd4/0x160
[  626.787951][T10134]  __se_sys_mount+0x31d/0x420
[  626.787979][T10134]  ? __pfx___se_sys_mount+0x10/0x10
[  626.788006][T10134]  ? __x64_sys_mount+0x20/0xc0
[  626.788026][T10134]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  626.788047][T10134]  do_syscall_64+0x15f/0xf80
[  626.788067][T10134]  ? trace_irq_disable+0x3b/0x140
[  626.788093][T10134]  ? clear_bhb_loop+0x40/0x90
[  626.788115][T10134]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  626.788134][T10134] RIP: 0033:0x7f65fb21363a
[  626.788152][T10134] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  626.788167][T10134] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  626.788188][T10134] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  626.788201][T10134] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  626.788215][T10134] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  626.788227][T10134] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  626.788239][T10134] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  626.788272][T10134]  </TASK>
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  626.863807][T10134] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  626.863829][T10134] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  627.252332][T10144] loop4: detected capacity change from 0 to 32768
[  627.271478][T10144] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  627.271509][T10144] CPU: 0 UID: 0 PID: 10144 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  627.271531][T10144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
executing program
[  627.271542][T10144] Call Trace:
[  627.271550][T10144]  <TASK>
[  627.271558][T10144]  dump_stack_lvl+0xe8/0x150
[  627.271588][T10144]  sysfs_create_dir_ns+0x271/0x2a0
[  627.271611][T10144]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  627.271639][T10144]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  627.271666][T10144]  ? rt_spin_unlock+0x160/0x200
[  627.271693][T10144]  kobject_add_internal+0x631/0xd10
[  627.271725][T10144]  kobject_init_and_add+0x12b/0x1a0
[  627.271754][T10144]  ? __pfx_kobject_init_and_add+0x10/0x10
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  627.271778][T10144]  ? __raw_spin_lock_init+0x45/0x100
[  627.271803][T10144]  ? __init_swait_queue_head+0xa9/0x150
[  627.271829][T10144]  gfs2_sys_fs_add+0x257/0x480
[  627.271848][T10144]  ? is_dynamic_key+0x1ac/0x1c0
[  627.271866][T10144]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  627.271895][T10144]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  627.271931][T10144]  gfs2_fill_super+0x141c/0x2220
[  627.271966][T10144]  ? __pfx_gfs2_fill_super+0x10/0x10
[  627.271984][T10144]  ? rt_spin_unlock+0x14f/0x200
[  627.272012][T10144]  ? sb_set_blocksize+0x11b/0x210
[  627.272034][T10144]  ? setup_bdev_super+0x4c1/0x5b0
[  627.272067][T10144]  get_tree_bdev_flags+0x431/0x4f0
[  627.272092][T10144]  ? __pfx_gfs2_fill_super+0x10/0x10
[  627.272109][T10144]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  627.272132][T10144]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  627.272168][T10144]  gfs2_get_tree+0x51/0x1e0
[  627.272191][T10144]  vfs_get_tree+0x92/0x2a0
[  627.272218][T10144]  do_new_mount+0x341/0xd30
[  627.272238][T10144]  ? apparmor_capable+0x126/0x170
executing program
[  627.272266][T10144]  ? __pfx_do_new_mount+0x10/0x10
[  627.272286][T10144]  ? ns_capable+0x89/0xe0
[  627.272314][T10144]  ? user_path_at+0xd4/0x160
[  627.272341][T10144]  ? user_path_at+0xd4/0x160
[  627.272366][T10144]  __se_sys_mount+0x31d/0x420
[  627.272394][T10144]  ? __pfx___se_sys_mount+0x10/0x10
[  627.272421][T10144]  ? __x64_sys_mount+0x20/0xc0
[  627.272442][T10144]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  627.272462][T10144]  do_syscall_64+0x15f/0xf80
[  627.272482][T10144]  ? trace_irq_disable+0x3b/0x140
[  627.272515][T10144]  ? clear_bhb_loop+0x40/0x90
[  627.272537][T10144]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  627.272556][T10144] RIP: 0033:0x7f65fb21363a
[  627.272575][T10144] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  627.272590][T10144] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  627.272609][T10144] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  627.272627][T10144] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  627.272640][T10144] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  627.272652][T10144] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  627.272664][T10144] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  627.272694][T10144]  </TASK>
[  627.272731][T10144] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  627.272746][T10144] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  627.285346][T10143] loop1: detected capacity change from 0 to 32768
[  627.322569][T10143] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  627.322591][T10143] CPU: 1 UID: 0 PID: 10143 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  627.322611][T10143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  627.322622][T10143] Call Trace:
[  627.322630][T10143]  <TASK>
[  627.322638][T10143]  dump_stack_lvl+0xe8/0x150
[  627.322668][T10143]  sysfs_create_dir_ns+0x271/0x2a0
[  627.322691][T10143]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  627.322722][T10143]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  627.322754][T10143]  ? rt_spin_unlock+0x160/0x200
[  627.322781][T10143]  kobject_add_internal+0x631/0xd10
[  627.322813][T10143]  kobject_init_and_add+0x12b/0x1a0
[  627.322841][T10143]  ? __pfx_kobject_init_and_add+0x10/0x10
[  627.322866][T10143]  ? __raw_spin_lock_init+0x45/0x100
[  627.322893][T10143]  ? __init_swait_queue_head+0xa9/0x150
[  627.322922][T10143]  gfs2_sys_fs_add+0x257/0x480
[  627.322944][T10143]  ? is_dynamic_key+0x1ac/0x1c0
[  627.322964][T10143]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  627.322995][T10143]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  627.323027][T10143]  gfs2_fill_super+0x141c/0x2220
[  627.323060][T10143]  ? __pfx_gfs2_fill_super+0x10/0x10
[  627.323077][T10143]  ? rt_spin_unlock+0x14f/0x200
[  627.323106][T10143]  ? sb_set_blocksize+0x11b/0x210
[  627.323126][T10143]  ? setup_bdev_super+0x4c1/0x5b0
[  627.323153][T10143]  get_tree_bdev_flags+0x431/0x4f0
[  627.323179][T10143]  ? __pfx_gfs2_fill_super+0x10/0x10
[  627.323197][T10143]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  627.323220][T10143]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  627.323253][T10143]  gfs2_get_tree+0x51/0x1e0
[  627.323275][T10143]  vfs_get_tree+0x92/0x2a0
[  627.323302][T10143]  do_new_mount+0x341/0xd30
[  627.323321][T10143]  ? apparmor_capable+0x126/0x170
[  627.323346][T10143]  ? __pfx_do_new_mount+0x10/0x10
[  627.323366][T10143]  ? ns_capable+0x89/0xe0
[  627.323392][T10143]  ? user_path_at+0xd4/0x160
[  627.323418][T10143]  ? user_path_at+0xd4/0x160
[  627.323442][T10143]  __se_sys_mount+0x31d/0x420
[  627.323468][T10143]  ? __pfx___se_sys_mount+0x10/0x10
[  627.323495][T10143]  ? __x64_sys_mount+0x20/0xc0
[  627.323515][T10143]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  627.323535][T10143]  do_syscall_64+0x15f/0xf80
[  627.323554][T10143]  ? trace_irq_disable+0x3b/0x140
[  627.323579][T10143]  ? clear_bhb_loop+0x40/0x90
[  627.323601][T10143]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  627.323619][T10143] RIP: 0033:0x7f65fb21363a
[  627.323637][T10143] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  627.323651][T10143] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  627.323671][T10143] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  627.323685][T10143] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  627.323698][T10143] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  627.323710][T10143] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  627.323721][T10143] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  627.323754][T10143]  </TASK>
[  627.323789][T10143] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  627.323803][T10143] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  627.336559][T10143] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[  627.353432][ T6877] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
executing program
[  628.291704][ T6811] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[  628.741465][T10155] loop3: detected capacity change from 0 to 32768
[  628.822767][T10155] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  628.822784][T10155] CPU: 1 UID: 0 PID: 10155 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  628.822796][T10155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  628.822803][T10155] Call Trace:
[  628.822807][T10155]  <TASK>
[  628.822812][T10155]  dump_stack_lvl+0xe8/0x150
[  628.822830][T10155]  sysfs_create_dir_ns+0x271/0x2a0
[  628.822845][T10155]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  628.822862][T10155]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  628.822876][T10155]  ? rt_spin_unlock+0x160/0x200
[  628.822893][T10155]  kobject_add_internal+0x631/0xd10
[  628.822919][T10155]  kobject_init_and_add+0x12b/0x1a0
[  628.822936][T10155]  ? __pfx_kobject_init_and_add+0x10/0x10
[  628.822951][T10155]  ? __raw_spin_lock_init+0x45/0x100
[  628.822968][T10155]  ? __init_swait_queue_head+0xa9/0x150
[  628.822986][T10155]  gfs2_sys_fs_add+0x257/0x480
[  628.822999][T10155]  ? is_dynamic_key+0x1ac/0x1c0
[  628.823010][T10155]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  628.823027][T10155]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  628.823046][T10155]  gfs2_fill_super+0x141c/0x2220
[  628.823065][T10155]  ? __pfx_gfs2_fill_super+0x10/0x10
[  628.823074][T10155]  ? rt_spin_unlock+0x14f/0x200
[  628.823091][T10155]  ? sb_set_blocksize+0x11b/0x210
[  628.823102][T10155]  ? setup_bdev_super+0x4c1/0x5b0
[  628.823119][T10155]  get_tree_bdev_flags+0x431/0x4f0
[  628.823145][T10155]  ? __pfx_gfs2_fill_super+0x10/0x10
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  628.823164][T10155]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  628.823178][T10155]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  628.823198][T10155]  gfs2_get_tree+0x51/0x1e0
[  628.823210][T10155]  vfs_get_tree+0x92/0x2a0
[  628.823226][T10155]  do_new_mount+0x341/0xd30
[  628.823238][T10155]  ? apparmor_capable+0x126/0x170
[  628.823253][T10155]  ? __pfx_do_new_mount+0x10/0x10
[  628.823264][T10155]  ? ns_capable+0x89/0xe0
[  628.823280][T10155]  ? user_path_at+0xd4/0x160
[  628.823296][T10155]  ? user_path_at+0xd4/0x160
[  628.823316][T10155]  __se_sys_mount+0x31d/0x420
[  628.823332][T10155]  ? __pfx___se_sys_mount+0x10/0x10
[  628.823347][T10155]  ? __x64_sys_mount+0x20/0xc0
[  628.823358][T10155]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  628.823369][T10155]  do_syscall_64+0x15f/0xf80
[  628.823381][T10155]  ? trace_irq_disable+0x3b/0x140
[  628.823397][T10155]  ? clear_bhb_loop+0x40/0x90
[  628.823409][T10155]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  628.823419][T10155] RIP: 0033:0x7f65fb21363a
[  628.823431][T10155] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  628.823440][T10155] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  628.823451][T10155] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  628.823459][T10155] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  628.823466][T10155] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  628.823473][T10155] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  628.823479][T10155] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  628.823493][T10155]  </TASK>
[  628.823516][T10155] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  628.823524][T10155] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  629.112680][T10170] loop4: detected capacity change from 0 to 32768
[  629.144328][T10170] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
executing program
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  629.144350][T10170] CPU: 1 UID: 0 PID: 10170 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  629.144370][T10170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  629.144381][T10170] Call Trace:
[  629.144388][T10170]  <TASK>
[  629.144396][T10170]  dump_stack_lvl+0xe8/0x150
[  629.144425][T10170]  sysfs_create_dir_ns+0x271/0x2a0
[  629.144447][T10170]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  629.144475][T10170]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  629.144499][T10170]  ? rt_spin_unlock+0x160/0x200
[  629.144524][T10170]  kobject_add_internal+0x631/0xd10
[  629.144556][T10170]  kobject_init_and_add+0x12b/0x1a0
[  629.144585][T10170]  ? __pfx_kobject_init_and_add+0x10/0x10
[  629.144611][T10170]  ? __raw_spin_lock_init+0x45/0x100
[  629.144637][T10170]  ? __init_swait_queue_head+0xa9/0x150
[  629.144666][T10170]  gfs2_sys_fs_add+0x257/0x480
[  629.144688][T10170]  ? is_dynamic_key+0x1ac/0x1c0
[  629.144707][T10170]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  629.144738][T10170]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  629.144770][T10170]  gfs2_fill_super+0x141c/0x2220
[  629.144804][T10170]  ? __pfx_gfs2_fill_super+0x10/0x10
[  629.144820][T10170]  ? rt_spin_unlock+0x14f/0x200
[  629.144848][T10170]  ? sb_set_blocksize+0x11b/0x210
[  629.144868][T10170]  ? setup_bdev_super+0x4c1/0x5b0
[  629.144896][T10170]  get_tree_bdev_flags+0x431/0x4f0
[  629.144925][T10170]  ? __pfx_gfs2_fill_super+0x10/0x10
[  629.144943][T10170]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  629.144965][T10170]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  629.144999][T10170]  gfs2_get_tree+0x51/0x1e0
[  629.145021][T10170]  vfs_get_tree+0x92/0x2a0
[  629.145048][T10170]  do_new_mount+0x341/0xd30
[  629.145067][T10170]  ? apparmor_capable+0x126/0x170
[  629.145091][T10170]  ? __pfx_do_new_mount+0x10/0x10
[  629.145112][T10170]  ? ns_capable+0x89/0xe0
[  629.145138][T10170]  ? user_path_at+0xd4/0x160
[  629.145164][T10170]  ? user_path_at+0xd4/0x160
[  629.145187][T10170]  __se_sys_mount+0x31d/0x420
[  629.145213][T10170]  ? __pfx___se_sys_mount+0x10/0x10
[  629.145239][T10170]  ? __x64_sys_mount+0x20/0xc0
[  629.145259][T10170]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  629.145283][T10170]  do_syscall_64+0x15f/0xf80
[  629.145303][T10170]  ? trace_irq_disable+0x3b/0x140
[  629.145328][T10170]  ? clear_bhb_loop+0x40/0x90
[  629.145349][T10170]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  629.145367][T10170] RIP: 0033:0x7f65fb21363a
[  629.145383][T10170] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  629.145399][T10170] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  629.145419][T10170] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  629.145433][T10170] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  629.145445][T10170] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  629.145457][T10170] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
executing program
[  629.145469][T10170] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  629.145496][T10170]  </TASK>
[  629.155915][T10170] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  629.155937][T10170] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  629.318745][ T6877] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[  629.684344][ T6816] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[  629.685826][ T6837] gfs2: fsid=syz:syz.0: file system withdrawn
[  629.780322][T10168] loop0: detected capacity change from 0 to 32768
[  629.885951][T10168] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  629.885970][T10168] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  629.942726][ T8940] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[  630.033351][T10168] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[  630.035699][ T6699] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  630.035717][ T6699] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  630.321244][ T6699] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 285ms
[  630.326564][ T6699] gfs2: fsid=syz:syz.0: jid=0: Done
[  630.326660][T10168] gfs2: fsid=syz:syz.0: first mount done, others may mount
executing program
[  630.556203][T10175] loop1: detected capacity change from 0 to 32768
[  630.609340][T10175] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  630.609362][T10175] CPU: 0 UID: 0 PID: 10175 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  630.609383][T10175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  630.609394][T10175] Call Trace:
[  630.609401][T10175]  <TASK>
[  630.609409][T10175]  dump_stack_lvl+0xe8/0x150
[  630.609437][T10175]  sysfs_create_dir_ns+0x271/0x2a0
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  630.609459][T10175]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  630.609484][T10175]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  630.609507][T10175]  ? rt_spin_unlock+0x160/0x200
[  630.609532][T10175]  kobject_add_internal+0x631/0xd10
[  630.609562][T10175]  kobject_init_and_add+0x12b/0x1a0
[  630.609592][T10175]  ? __pfx_kobject_init_and_add+0x10/0x10
[  630.609618][T10175]  ? __raw_spin_lock_init+0x45/0x100
[  630.609644][T10175]  ? __init_swait_queue_head+0xa9/0x150
[  630.609672][T10175]  gfs2_sys_fs_add+0x257/0x480
[  630.609694][T10175]  ? is_dynamic_key+0x1ac/0x1c0
[  630.609713][T10175]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  630.609745][T10175]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  630.609778][T10175]  gfs2_fill_super+0x141c/0x2220
[  630.609824][T10175]  ? __pfx_gfs2_fill_super+0x10/0x10
[  630.609842][T10175]  ? rt_spin_unlock+0x14f/0x200
[  630.609872][T10175]  ? sb_set_blocksize+0x11b/0x210
[  630.609894][T10175]  ? setup_bdev_super+0x4c1/0x5b0
[  630.609923][T10175]  get_tree_bdev_flags+0x431/0x4f0
[  630.609945][T10175]  ? __pfx_gfs2_fill_super+0x10/0x10
[  630.609963][T10175]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  630.609984][T10175]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  630.610019][T10175]  gfs2_get_tree+0x51/0x1e0
[  630.610041][T10175]  vfs_get_tree+0x92/0x2a0
[  630.610068][T10175]  do_new_mount+0x341/0xd30
[  630.610087][T10175]  ? apparmor_capable+0x126/0x170
[  630.610114][T10175]  ? __pfx_do_new_mount+0x10/0x10
[  630.610142][T10175]  ? ns_capable+0x89/0xe0
[  630.610171][T10175]  ? user_path_at+0xd4/0x160
[  630.610197][T10175]  ? user_path_at+0xd4/0x160
[  630.610222][T10175]  __se_sys_mount+0x31d/0x420
[  630.610249][T10175]  ? __pfx___se_sys_mount+0x10/0x10
[  630.610276][T10175]  ? __x64_sys_mount+0x20/0xc0
[  630.610297][T10175]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.610317][T10175]  do_syscall_64+0x15f/0xf80
[  630.610337][T10175]  ? trace_irq_disable+0x3b/0x140
[  630.610363][T10175]  ? clear_bhb_loop+0x40/0x90
[  630.610384][T10175]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.610401][T10175] RIP: 0033:0x7f65fb21363a
[  630.610420][T10175] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  630.610435][T10175] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  630.610456][T10175] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  630.610469][T10175] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  630.610482][T10175] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  630.610495][T10175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  630.610506][T10175] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  630.610536][T10175]  </TASK>
[  630.635658][T10168] gfs2: fsid=syz:syz.0: found 1 quota changes
[  630.681841][T10175] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  630.681863][T10175] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  630.811268][ T8938] syz-executor170: attempt to access beyond end of device
[  630.811268][ T8938] loop0: rw=12289, sector=68719479080, nr_sectors = 8 limit=32768
[  630.811415][ T8938] Buffer I/O error on dev loop0, logical block 8589934885, lost async page write
[  630.811521][ T8938] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116
[  630.811546][ T8938] CPU: 1 UID: 0 PID: 8938 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  630.811566][ T8938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  630.811576][ T8938] Call Trace:
[  630.811584][ T8938]  <TASK>
[  630.811592][ T8938]  dump_stack_lvl+0xe8/0x150
[  630.811620][ T8938]  gfs2_withdraw+0xc3/0x1b0
[  630.811642][ T8938]  gfs2_ail1_flush+0x990/0xfd0
[  630.811683][ T8938]  ? __pfx_gfs2_ail1_flush+0x10/0x10
[  630.811719][ T8938]  empty_ail1_list+0x1b3/0x330
[  630.811745][ T8938]  ? __pfx_empty_ail1_list+0x10/0x10
[  630.811800][ T8938]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  630.811827][ T8938]  ? rt_spin_unlock+0x14f/0x200
[  630.811856][ T8938]  ? rt_spin_unlock+0x160/0x200
[  630.811882][ T8938]  __gfs2_log_flush+0x16d1/0x1dc0
[  630.811917][ T8938]  ? __pfx___gfs2_log_flush+0x10/0x10
[  630.811950][ T8938]  gfs2_log_flush+0x34/0x50
[  630.811971][ T8938]  gfs2_kill_sb+0x5c/0x430
[  630.811994][ T8938]  deactivate_locked_super+0xbc/0x130
[  630.812018][ T8938]  cleanup_mnt+0x437/0x4d0
[  630.812040][ T8938]  ? _raw_spin_unlock_irq+0x23/0x50
[  630.812064][ T8938]  task_work_run+0x1d9/0x270
[  630.812088][ T8938]  ? __pfx_task_work_run+0x10/0x10
[  630.812126][ T8938]  exit_to_user_mode_loop+0xf3/0x4d0
[  630.812144][ T8938]  ? rcu_is_watching+0x15/0xb0
[  630.812166][ T8938]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.812186][ T8938]  do_syscall_64+0x33e/0xf80
[  630.812206][ T8938]  ? trace_irq_disable+0x3b/0x140
[  630.812230][ T8938]  ? clear_bhb_loop+0x40/0x90
[  630.812251][ T8938]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  630.812269][ T8938] RIP: 0033:0x7f65fb213607
[  630.812288][ T8938] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 c8 14 0b 00 00 00 00 00 eb 96 e8 21 08 00 00 90 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
[  630.812303][ T8938] RSP: 002b:00007ffd3d1d1438 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[  630.812321][ T8938] RAX: 0000000000000000 RBX: 000000000009919b RCX: 00007f65fb213607
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  630.812334][ T8938] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd3d1d14f0
[  630.812345][ T8938] RBP: 00007ffd3d1d14f0 R08: 00007ffd3d1d24f0 R09: 00000000ffffffff
[  630.812357][ T8938] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd3d1d25a0
[  630.812368][ T8938] R13: 000055555f69f790 R14: 431bde82d7b634db R15: 00007ffd3d1d2544
[  630.812403][ T8938]  </TASK>
[  630.812514][ T8938] gfs2: fsid=syz:syz.0: about to withdraw this file system
executing program
[  631.369487][T10190] loop4: detected capacity change from 0 to 32768
[  631.386282][T10190] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  631.386305][T10190] CPU: 0 UID: 0 PID: 10190 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  631.386328][T10190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  631.386339][T10190] Call Trace:
[  631.386354][T10190]  <TASK>
[  631.386363][T10190]  dump_stack_lvl+0xe8/0x150
[  631.386393][T10190]  sysfs_create_dir_ns+0x271/0x2a0
[  631.386417][T10190]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  631.386444][T10190]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  631.386471][T10190]  ? rt_spin_unlock+0x160/0x200
[  631.386499][T10190]  kobject_add_internal+0x631/0xd10
[  631.386532][T10190]  kobject_init_and_add+0x12b/0x1a0
[  631.386560][T10190]  ? __pfx_kobject_init_and_add+0x10/0x10
[  631.386585][T10190]  ? __raw_spin_lock_init+0x45/0x100
[  631.386613][T10190]  ? __init_swait_queue_head+0xa9/0x150
[  631.386643][T10190]  gfs2_sys_fs_add+0x257/0x480
[  631.386666][T10190]  ? is_dynamic_key+0x1ac/0x1c0
[  631.386687][T10190]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  631.386719][T10190]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  631.386751][T10190]  gfs2_fill_super+0x141c/0x2220
[  631.386785][T10190]  ? __pfx_gfs2_fill_super+0x10/0x10
[  631.386803][T10190]  ? rt_spin_unlock+0x14f/0x200
[  631.386832][T10190]  ? sb_set_blocksize+0x11b/0x210
[  631.386853][T10190]  ? setup_bdev_super+0x4c1/0x5b0
[  631.386883][T10190]  get_tree_bdev_flags+0x431/0x4f0
[  631.386909][T10190]  ? __pfx_gfs2_fill_super+0x10/0x10
[  631.386929][T10190]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  631.386952][T10190]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  631.386988][T10190]  gfs2_get_tree+0x51/0x1e0
[  631.387010][T10190]  vfs_get_tree+0x92/0x2a0
[  631.387037][T10190]  do_new_mount+0x341/0xd30
[  631.387057][T10190]  ? apparmor_capable+0x126/0x170
[  631.387083][T10190]  ? __pfx_do_new_mount+0x10/0x10
[  631.387103][T10190]  ? ns_capable+0x89/0xe0
[  631.387131][T10190]  ? user_path_at+0xd4/0x160
[  631.387158][T10190]  ? user_path_at+0xd4/0x160
[  631.387183][T10190]  __se_sys_mount+0x31d/0x420
[  631.387210][T10190]  ? __pfx___se_sys_mount+0x10/0x10
[  631.387237][T10190]  ? __x64_sys_mount+0x20/0xc0
[  631.387258][T10190]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  631.387278][T10190]  do_syscall_64+0x15f/0xf80
[  631.387298][T10190]  ? trace_irq_disable+0x3b/0x140
[  631.387323][T10190]  ? clear_bhb_loop+0x40/0x90
[  631.387351][T10190]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  631.387370][T10190] RIP: 0033:0x7f65fb21363a
[  631.387389][T10190] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  631.387403][T10190] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  631.387424][T10190] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  631.387437][T10190] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  631.387450][T10190] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  631.387466][T10190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  631.387478][T10190] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  631.387507][T10190]  </TASK>
[  631.387541][T10190] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  631.387555][T10190] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  631.465315][ T6816] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
executing program
[  631.889012][ T6877] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[  631.939120][T10188] loop3: detected capacity change from 0 to 32768
[  631.976175][T10188] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  631.976198][T10188] CPU: 0 UID: 0 PID: 10188 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  631.976220][T10188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  631.976231][T10188] Call Trace:
[  631.976239][T10188]  <TASK>
[  631.976247][T10188]  dump_stack_lvl+0xe8/0x150
[  631.976277][T10188]  sysfs_create_dir_ns+0x271/0x2a0
[  631.976301][T10188]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  631.976336][T10188]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  631.976362][T10188]  ? rt_spin_unlock+0x160/0x200
[  631.976390][T10188]  kobject_add_internal+0x631/0xd10
[  631.976423][T10188]  kobject_init_and_add+0x12b/0x1a0
[  631.976454][T10188]  ? __pfx_kobject_init_and_add+0x10/0x10
[  631.976480][T10188]  ? __raw_spin_lock_init+0x45/0x100
[  631.976508][T10188]  ? __init_swait_queue_head+0xa9/0x150
[  631.976538][T10188]  gfs2_sys_fs_add+0x257/0x480
[  631.976562][T10188]  ? is_dynamic_key+0x1ac/0x1c0
[  631.976582][T10188]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  631.976618][T10188]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  631.976652][T10188]  gfs2_fill_super+0x141c/0x2220
[  631.976688][T10188]  ? __pfx_gfs2_fill_super+0x10/0x10
[  631.976706][T10188]  ? rt_spin_unlock+0x14f/0x200
[  631.976735][T10188]  ? sb_set_blocksize+0x11b/0x210
[  631.976757][T10188]  ? setup_bdev_super+0x4c1/0x5b0
[  631.976786][T10188]  get_tree_bdev_flags+0x431/0x4f0
[  631.976812][T10188]  ? __pfx_gfs2_fill_super+0x10/0x10
[  631.976832][T10188]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  631.976854][T10188]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  631.976885][T10188]  gfs2_get_tree+0x51/0x1e0
[  631.976906][T10188]  vfs_get_tree+0x92/0x2a0
[  631.976929][T10188]  do_new_mount+0x341/0xd30
[  631.976947][T10188]  ? apparmor_capable+0x126/0x170
[  631.976972][T10188]  ? __pfx_do_new_mount+0x10/0x10
[  631.976993][T10188]  ? ns_capable+0x89/0xe0
[  631.977020][T10188]  ? user_path_at+0xd4/0x160
[  631.977048][T10188]  ? user_path_at+0xd4/0x160
[  631.977072][T10188]  __se_sys_mount+0x31d/0x420
[  631.977100][T10188]  ? __pfx___se_sys_mount+0x10/0x10
[  631.977127][T10188]  ? __x64_sys_mount+0x20/0xc0
[  631.977148][T10188]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  631.977168][T10188]  do_syscall_64+0x15f/0xf80
[  631.977188][T10188]  ? trace_irq_disable+0x3b/0x140
[  631.977214][T10188]  ? clear_bhb_loop+0x40/0x90
[  631.977236][T10188]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  631.977253][T10188] RIP: 0033:0x7f65fb21363a
[  631.977272][T10188] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  631.977287][T10188] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  631.977308][T10188] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  631.977329][T10188] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  631.977342][T10188] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  631.977354][T10188] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
executing program
[  631.977367][T10188] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  631.977396][T10188]  </TASK>
[  631.977557][T10188] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  631.977573][T10188] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  632.555471][ T6811] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[  633.162651][T10215] loop4: detected capacity change from 0 to 32768
[  633.176256][T10203] loop2: detected capacity change from 0 to 32768
[  633.189683][T10215] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  633.189705][T10215] CPU: 0 UID: 0 PID: 10215 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  633.189727][T10215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  633.189739][T10215] Call Trace:
[  633.189746][T10215]  <TASK>
[  633.189754][T10215]  dump_stack_lvl+0xe8/0x150
[  633.189784][T10215]  sysfs_create_dir_ns+0x271/0x2a0
[  633.189808][T10215]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  633.189835][T10215]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  633.189861][T10215]  ? rt_spin_unlock+0x160/0x200
[  633.189889][T10215]  kobject_add_internal+0x631/0xd10
[  633.189934][T10215]  kobject_init_and_add+0x12b/0x1a0
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  633.189960][T10215]  ? __pfx_kobject_init_and_add+0x10/0x10
[  633.189985][T10215]  ? __raw_spin_lock_init+0x45/0x100
[  633.190008][T10215]  ? __init_swait_queue_head+0xa9/0x150
[  633.190036][T10215]  gfs2_sys_fs_add+0x257/0x480
[  633.190057][T10215]  ? is_dynamic_key+0x1ac/0x1c0
[  633.190077][T10215]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  633.190108][T10215]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  633.190142][T10215]  gfs2_fill_super+0x141c/0x2220
[  633.190175][T10215]  ? __pfx_gfs2_fill_super+0x10/0x10
[  633.190206][T10215]  ? rt_spin_unlock+0x14f/0x200
[  633.190234][T10215]  ? sb_set_blocksize+0x11b/0x210
[  633.190255][T10215]  ? setup_bdev_super+0x4c1/0x5b0
[  633.190282][T10215]  get_tree_bdev_flags+0x431/0x4f0
[  633.190305][T10215]  ? __pfx_gfs2_fill_super+0x10/0x10
[  633.190323][T10215]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  633.190345][T10215]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  633.190376][T10215]  gfs2_get_tree+0x51/0x1e0
[  633.190397][T10215]  vfs_get_tree+0x92/0x2a0
[  633.190424][T10215]  do_new_mount+0x341/0xd30
[  633.190443][T10215]  ? apparmor_capable+0x126/0x170
[  633.190468][T10215]  ? __pfx_do_new_mount+0x10/0x10
[  633.190489][T10215]  ? ns_capable+0x89/0xe0
[  633.190516][T10215]  ? user_path_at+0xd4/0x160
[  633.190542][T10215]  ? user_path_at+0xd4/0x160
[  633.190565][T10215]  __se_sys_mount+0x31d/0x420
[  633.190591][T10215]  ? __pfx___se_sys_mount+0x10/0x10
[  633.190617][T10215]  ? __x64_sys_mount+0x20/0xc0
[  633.190637][T10215]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  633.190655][T10215]  do_syscall_64+0x15f/0xf80
[  633.190676][T10215]  ? clear_bhb_loop+0x40/0x90
[  633.190697][T10215]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  633.190715][T10215] RIP: 0033:0x7f65fb21363a
[  633.190733][T10215] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  633.190748][T10215] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  633.190767][T10215] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  633.190780][T10215] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  633.190793][T10215] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  633.190805][T10215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  633.190817][T10215] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  633.190846][T10215]  </TASK>
[  633.191631][T10203] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  633.191649][T10203] CPU: 1 UID: 0 PID: 10203 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  633.191671][T10203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  633.191681][T10203] Call Trace:
[  633.191689][T10203]  <TASK>
[  633.191696][T10203]  dump_stack_lvl+0xe8/0x150
[  633.191722][T10203]  sysfs_create_dir_ns+0x271/0x2a0
[  633.191746][T10203]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  633.191773][T10203]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  633.191799][T10203]  ? rt_spin_unlock+0x160/0x200
[  633.191826][T10203]  kobject_add_internal+0x631/0xd10
[  633.191858][T10203]  kobject_init_and_add+0x12b/0x1a0
[  633.191889][T10203]  ? __pfx_kobject_init_and_add+0x10/0x10
[  633.191915][T10203]  ? __raw_spin_lock_init+0x45/0x100
[  633.191941][T10203]  ? __init_swait_queue_head+0xa9/0x150
[  633.191970][T10203]  gfs2_sys_fs_add+0x257/0x480
[  633.191993][T10203]  ? is_dynamic_key+0x1ac/0x1c0
[  633.192013][T10203]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  633.192045][T10203]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  633.192083][T10203]  gfs2_fill_super+0x141c/0x2220
[  633.192116][T10203]  ? __pfx_gfs2_fill_super+0x10/0x10
[  633.192135][T10203]  ? rt_spin_unlock+0x14f/0x200
[  633.192164][T10203]  ? sb_set_blocksize+0x11b/0x210
[  633.192192][T10203]  ? setup_bdev_super+0x4c1/0x5b0
[  633.192219][T10203]  get_tree_bdev_flags+0x431/0x4f0
[  633.192242][T10203]  ? __pfx_gfs2_fill_super+0x10/0x10
[  633.192257][T10203]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  633.192276][T10203]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  633.192310][T10203]  gfs2_get_tree+0x51/0x1e0
[  633.192332][T10203]  vfs_get_tree+0x92/0x2a0
[  633.192360][T10203]  do_new_mount+0x341/0xd30
[  633.192378][T10203]  ? apparmor_capable+0x126/0x170
[  633.192403][T10203]  ? __pfx_do_new_mount+0x10/0x10
[  633.192424][T10203]  ? ns_capable+0x89/0xe0
[  633.192451][T10203]  ? user_path_at+0xd4/0x160
[  633.192477][T10203]  ? user_path_at+0xd4/0x160
[  633.192501][T10203]  __se_sys_mount+0x31d/0x420
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  633.192527][T10203]  ? __pfx___se_sys_mount+0x10/0x10
[  633.192554][T10203]  ? __x64_sys_mount+0x20/0xc0
[  633.192573][T10203]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  633.192592][T10203]  do_syscall_64+0x15f/0xf80
[  633.192611][T10203]  ? trace_irq_disable+0x3b/0x140
[  633.192635][T10203]  ? clear_bhb_loop+0x40/0x90
[  633.192654][T10203]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  633.192670][T10203] RIP: 0033:0x7f65fb21363a
executing program
[  633.192687][T10203] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  633.192701][T10203] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  633.192720][T10203] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  633.192734][T10203] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  633.192747][T10203] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  633.192759][T10203] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  633.192770][T10203] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  633.192798][T10203]  </TASK>
[  633.194470][T10203] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  633.195956][T10203] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  633.226068][T10203] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[  633.281243][T10215] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  633.281265][T10215] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  633.586896][T10209] loop1: detected capacity change from 0 to 32768
[  633.612126][T10209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  633.612149][T10209] CPU: 1 UID: 0 PID: 10209 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  633.612170][T10209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  633.612181][T10209] Call Trace:
[  633.612188][T10209]  <TASK>
[  633.612196][T10209]  dump_stack_lvl+0xe8/0x150
[  633.612224][T10209]  sysfs_create_dir_ns+0x271/0x2a0
[  633.612247][T10209]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  633.612275][T10209]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  633.612300][T10209]  ? rt_spin_unlock+0x160/0x200
[  633.612325][T10209]  kobject_add_internal+0x631/0xd10
[  633.612357][T10209]  kobject_init_and_add+0x12b/0x1a0
[  633.612393][T10209]  ? __pfx_kobject_init_and_add+0x10/0x10
[  633.612419][T10209]  ? __raw_spin_lock_init+0x45/0x100
[  633.612445][T10209]  ? __init_swait_queue_head+0xa9/0x150
[  633.612475][T10209]  gfs2_sys_fs_add+0x257/0x480
[  633.612497][T10209]  ? is_dynamic_key+0x1ac/0x1c0
[  633.612517][T10209]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  633.612547][T10209]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  633.612580][T10209]  gfs2_fill_super+0x141c/0x2220
[  633.612614][T10209]  ? __pfx_gfs2_fill_super+0x10/0x10
[  633.612631][T10209]  ? rt_spin_unlock+0x14f/0x200
[  633.612659][T10209]  ? sb_set_blocksize+0x11b/0x210
[  633.612679][T10209]  ? setup_bdev_super+0x4c1/0x5b0
[  633.612707][T10209]  get_tree_bdev_flags+0x431/0x4f0
[  633.612732][T10209]  ? __pfx_gfs2_fill_super+0x10/0x10
[  633.612750][T10209]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  633.612773][T10209]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  633.612807][T10209]  gfs2_get_tree+0x51/0x1e0
[  633.612829][T10209]  vfs_get_tree+0x92/0x2a0
[  633.612861][T10209]  do_new_mount+0x341/0xd30
[  633.612880][T10209]  ? apparmor_capable+0x126/0x170
[  633.612905][T10209]  ? __pfx_do_new_mount+0x10/0x10
[  633.612925][T10209]  ? ns_capable+0x89/0xe0
[  633.612952][T10209]  ? user_path_at+0xd4/0x160
[  633.612978][T10209]  ? user_path_at+0xd4/0x160
[  633.613002][T10209]  __se_sys_mount+0x31d/0x420
[  633.613028][T10209]  ? __pfx___se_sys_mount+0x10/0x10
[  633.613055][T10209]  ? __x64_sys_mount+0x20/0xc0
[  633.613074][T10209]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  633.613094][T10209]  do_syscall_64+0x15f/0xf80
[  633.613113][T10209]  ? trace_irq_disable+0x3b/0x140
[  633.613138][T10209]  ? clear_bhb_loop+0x40/0x90
[  633.613159][T10209]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  633.613176][T10209] RIP: 0033:0x7f65fb21363a
[  633.613194][T10209] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  633.613209][T10209] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  633.613228][T10209] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  633.613241][T10209] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  633.613253][T10209] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  633.613265][T10209] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  633.613277][T10209] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  633.613305][T10209]  </TASK>
[  633.613329][T10209] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
[  633.613356][T10209] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  633.785064][ T6816] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[  634.243422][ T6811] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[  634.706635][T10220] loop3: detected capacity change from 0 to 32768
[  634.749375][T10220] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  634.749397][T10220] CPU: 1 UID: 0 PID: 10220 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  634.749420][T10220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  634.749430][T10220] Call Trace:
[  634.749438][T10220]  <TASK>
[  634.749446][T10220]  dump_stack_lvl+0xe8/0x150
[  634.749476][T10220]  sysfs_create_dir_ns+0x271/0x2a0
[  634.749498][T10220]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  634.749523][T10220]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  634.749546][T10220]  ? rt_spin_unlock+0x160/0x200
[  634.749573][T10220]  kobject_add_internal+0x631/0xd10
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  634.749604][T10220]  kobject_init_and_add+0x12b/0x1a0
[  634.749630][T10220]  ? __pfx_kobject_init_and_add+0x10/0x10
[  634.749654][T10220]  ? __raw_spin_lock_init+0x45/0x100
[  634.749680][T10220]  ? __init_swait_queue_head+0xa9/0x150
[  634.749707][T10220]  gfs2_sys_fs_add+0x257/0x480
[  634.749729][T10220]  ? is_dynamic_key+0x1ac/0x1c0
[  634.749758][T10220]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  634.749788][T10220]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  634.749819][T10220]  gfs2_fill_super+0x141c/0x2220
[  634.749853][T10220]  ? __pfx_gfs2_fill_super+0x10/0x10
[  634.749870][T10220]  ? rt_spin_unlock+0x14f/0x200
[  634.749896][T10220]  ? sb_set_blocksize+0x11b/0x210
[  634.749919][T10220]  ? setup_bdev_super+0x4c1/0x5b0
[  634.749944][T10220]  get_tree_bdev_flags+0x431/0x4f0
[  634.749970][T10220]  ? __pfx_gfs2_fill_super+0x10/0x10
[  634.749989][T10220]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  634.750011][T10220]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  634.750043][T10220]  gfs2_get_tree+0x51/0x1e0
[  634.750064][T10220]  vfs_get_tree+0x92/0x2a0
[  634.750090][T10220]  do_new_mount+0x341/0xd30
[  634.750109][T10220]  ? apparmor_capable+0x126/0x170
[  634.750134][T10220]  ? __pfx_do_new_mount+0x10/0x10
[  634.750150][T10220]  ? ns_capable+0x89/0xe0
[  634.750178][T10220]  ? user_path_at+0xd4/0x160
[  634.750202][T10220]  ? user_path_at+0xd4/0x160
[  634.750225][T10220]  __se_sys_mount+0x31d/0x420
[  634.750252][T10220]  ? __pfx___se_sys_mount+0x10/0x10
[  634.750277][T10220]  ? __x64_sys_mount+0x20/0xc0
executing program
[  634.750297][T10220]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  634.750314][T10220]  do_syscall_64+0x15f/0xf80
[  634.750332][T10220]  ? trace_irq_disable+0x3b/0x140
[  634.750356][T10220]  ? clear_bhb_loop+0x40/0x90
[  634.750376][T10220]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  634.750393][T10220] RIP: 0033:0x7f65fb21363a
[  634.750409][T10220] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  634.750423][T10220] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  634.750444][T10220] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  634.750456][T10220] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  634.750469][T10220] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  634.750481][T10220] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  634.750492][T10220] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  634.750519][T10220]  </TASK>
[  634.758602][T10220] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  634.758623][T10220] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  635.247566][ T6811] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[  635.648958][T10242] loop4: detected capacity change from 0 to 32768
[  635.678718][T10242] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  635.678741][T10242] CPU: 0 UID: 0 PID: 10242 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  635.678764][T10242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  635.678775][T10242] Call Trace:
[  635.678783][T10242]  <TASK>
[  635.678792][T10242]  dump_stack_lvl+0xe8/0x150
[  635.678831][T10242]  sysfs_create_dir_ns+0x271/0x2a0
[  635.678856][T10242]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  635.678891][T10242]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  635.678918][T10242]  ? rt_spin_unlock+0x160/0x200
[  635.678946][T10242]  kobject_add_internal+0x631/0xd10
[  635.678978][T10242]  kobject_init_and_add+0x12b/0x1a0
[  635.679010][T10242]  ? __pfx_kobject_init_and_add+0x10/0x10
[  635.679036][T10242]  ? __raw_spin_lock_init+0x45/0x100
[  635.679064][T10242]  ? __init_swait_queue_head+0xa9/0x150
[  635.679095][T10242]  gfs2_sys_fs_add+0x257/0x480
[  635.679118][T10242]  ? is_dynamic_key+0x1ac/0x1c0
[  635.679138][T10242]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  635.679169][T10242]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  635.679201][T10242]  gfs2_fill_super+0x141c/0x2220
[  635.679233][T10242]  ? __pfx_gfs2_fill_super+0x10/0x10
[  635.679250][T10242]  ? rt_spin_unlock+0x14f/0x200
[  635.679279][T10242]  ? sb_set_blocksize+0x11b/0x210
[  635.679301][T10242]  ? setup_bdev_super+0x4c1/0x5b0
[  635.679331][T10242]  get_tree_bdev_flags+0x431/0x4f0
[  635.679355][T10242]  ? __pfx_gfs2_fill_super+0x10/0x10
[  635.679372][T10242]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  635.679393][T10242]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  635.679428][T10242]  gfs2_get_tree+0x51/0x1e0
[  635.679450][T10242]  vfs_get_tree+0x92/0x2a0
[  635.679478][T10242]  do_new_mount+0x341/0xd30
[  635.679498][T10242]  ? apparmor_capable+0x126/0x170
[  635.679524][T10242]  ? __pfx_do_new_mount+0x10/0x10
[  635.679545][T10242]  ? ns_capable+0x89/0xe0
[  635.679572][T10242]  ? user_path_at+0xd4/0x160
[  635.679600][T10242]  ? user_path_at+0xd4/0x160
[  635.679623][T10242]  __se_sys_mount+0x31d/0x420
[  635.679650][T10242]  ? __pfx___se_sys_mount+0x10/0x10
[  635.679678][T10242]  ? __x64_sys_mount+0x20/0xc0
[  635.679698][T10242]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  635.679718][T10242]  do_syscall_64+0x15f/0xf80
[  635.679739][T10242]  ? trace_irq_disable+0x3b/0x140
[  635.679764][T10242]  ? clear_bhb_loop+0x40/0x90
[  635.679786][T10242]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  635.679804][T10242] RIP: 0033:0x7f65fb21363a
[  635.679822][T10242] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  635.679837][T10242] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  635.679857][T10242] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  635.679878][T10242] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  635.679891][T10242] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  635.679903][T10242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  635.679915][T10242] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
executing program
[  635.679939][T10242]  </TASK>
[  635.835195][ T6699] gfs2: fsid=syz:syz.0: file system withdrawn
[  635.863523][T10242] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  635.863547][T10242] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  636.151482][ T8938] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[  636.438123][ T6816] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[  636.589230][T10238] loop1: detected capacity change from 0 to 32768
[  636.663344][T10243] loop2: detected capacity change from 0 to 32768
[  636.677513][T10238] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  636.677533][T10238] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  636.775016][T10238] gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
[  636.799444][ T6837] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  636.799465][ T6837] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  636.837417][T10243] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  636.837443][T10243] CPU: 1 UID: 0 PID: 10243 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  636.837464][T10243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  636.837474][T10243] Call Trace:
[  636.837481][T10243]  <TASK>
[  636.837488][T10243]  dump_stack_lvl+0xe8/0x150
[  636.837516][T10243]  sysfs_create_dir_ns+0x271/0x2a0
[  636.837537][T10243]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  636.837573][T10243]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  636.837598][T10243]  ? rt_spin_unlock+0x160/0x200
[  636.837622][T10243]  kobject_add_internal+0x631/0xd10
[  636.837651][T10243]  kobject_init_and_add+0x12b/0x1a0
[  636.837678][T10243]  ? __pfx_kobject_init_and_add+0x10/0x10
[  636.837703][T10243]  ? __raw_spin_lock_init+0x45/0x100
[  636.837729][T10243]  ? __init_swait_queue_head+0xa9/0x150
[  636.837756][T10243]  gfs2_sys_fs_add+0x257/0x480
[  636.837778][T10243]  ? is_dynamic_key+0x1ac/0x1c0
[  636.837796][T10243]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  636.837825][T10243]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  636.837857][T10243]  gfs2_fill_super+0x141c/0x2220
[  636.837889][T10243]  ? __pfx_gfs2_fill_super+0x10/0x10
[  636.837905][T10243]  ? rt_spin_unlock+0x14f/0x200
[  636.837933][T10243]  ? sb_set_blocksize+0x11b/0x210
[  636.837953][T10243]  ? setup_bdev_super+0x4c1/0x5b0
[  636.837982][T10243]  get_tree_bdev_flags+0x431/0x4f0
[  636.838007][T10243]  ? __pfx_gfs2_fill_super+0x10/0x10
[  636.838025][T10243]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  636.838047][T10243]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  636.838079][T10243]  gfs2_get_tree+0x51/0x1e0
[  636.838101][T10243]  vfs_get_tree+0x92/0x2a0
[  636.838127][T10243]  do_new_mount+0x341/0xd30
[  636.838146][T10243]  ? apparmor_capable+0x126/0x170
[  636.838171][T10243]  ? __pfx_do_new_mount+0x10/0x10
[  636.838191][T10243]  ? ns_capable+0x89/0xe0
[  636.838217][T10243]  ? user_path_at+0xd4/0x160
[  636.838244][T10243]  ? user_path_at+0xd4/0x160
[  636.838268][T10243]  __se_sys_mount+0x31d/0x420
[  636.838293][T10243]  ? __pfx___se_sys_mount+0x10/0x10
[  636.838319][T10243]  ? __x64_sys_mount+0x20/0xc0
[  636.838338][T10243]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  636.838356][T10243]  do_syscall_64+0x15f/0xf80
[  636.838378][T10243]  ? clear_bhb_loop+0x40/0x90
[  636.838398][T10243]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  636.838415][T10243] RIP: 0033:0x7f65fb21363a
[  636.838433][T10243] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  636.838448][T10243] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  636.838468][T10243] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  636.838480][T10243] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  636.838494][T10243] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  636.838506][T10243] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
executing program
[  636.838518][T10243] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  636.838555][T10243]  </TASK>
[  636.838583][T10243] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  636.838596][T10243] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  636.879502][T10243] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[  637.225349][ T6837] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 425ms
[  637.226328][ T6837] gfs2: fsid=syz:syz.0: jid=0: Done
[  637.226375][T10238] gfs2: fsid=syz:syz.0: first mount done, others may mount
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  637.582608][T10238] gfs2: fsid=syz:syz.0: found 1 quota changes
[  637.636915][T10261] loop4: detected capacity change from 0 to 32768
[  637.659432][T10261] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  637.659454][T10261] CPU: 1 UID: 0 PID: 10261 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  637.659475][T10261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  637.659485][T10261] Call Trace:
[  637.659493][T10261]  <TASK>
[  637.659501][T10261]  dump_stack_lvl+0xe8/0x150
[  637.659530][T10261]  sysfs_create_dir_ns+0x271/0x2a0
[  637.659552][T10261]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  637.659578][T10261]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  637.659602][T10261]  ? rt_spin_unlock+0x160/0x200
[  637.659628][T10261]  kobject_add_internal+0x631/0xd10
[  637.659661][T10261]  kobject_init_and_add+0x12b/0x1a0
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
the reproducer may not work as expected: 802154 injection setup failed: NL802154_CMD_SET_SHORT_ADDR failed
[  637.659689][T10261]  ? __pfx_kobject_init_and_add+0x10/0x10
[  637.659713][T10261]  ? __raw_spin_lock_init+0x45/0x100
[  637.659747][T10261]  ? __init_swait_queue_head+0xa9/0x150
[  637.659776][T10261]  gfs2_sys_fs_add+0x257/0x480
[  637.659799][T10261]  ? is_dynamic_key+0x1ac/0x1c0
[  637.659818][T10261]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  637.659852][T10261]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  637.659885][T10261]  gfs2_fill_super+0x141c/0x2220
[  637.659922][T10261]  ? __pfx_gfs2_fill_super+0x10/0x10
[  637.659937][T10261]  ? rt_spin_unlock+0x14f/0x200
[  637.659965][T10261]  ? sb_set_blocksize+0x11b/0x210
[  637.659985][T10261]  ? setup_bdev_super+0x4c1/0x5b0
[  637.660012][T10261]  get_tree_bdev_flags+0x431/0x4f0
[  637.660037][T10261]  ? __pfx_gfs2_fill_super+0x10/0x10
[  637.660056][T10261]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  637.660078][T10261]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  637.660112][T10261]  gfs2_get_tree+0x51/0x1e0
[  637.660134][T10261]  vfs_get_tree+0x92/0x2a0
[  637.660161][T10261]  do_new_mount+0x341/0xd30
[  637.660180][T10261]  ? apparmor_capable+0x126/0x170
[  637.660205][T10261]  ? __pfx_do_new_mount+0x10/0x10
[  637.660223][T10261]  ? ns_capable+0x89/0xe0
[  637.660249][T10261]  ? user_path_at+0xd4/0x160
[  637.660274][T10261]  ? user_path_at+0xd4/0x160
[  637.660297][T10261]  __se_sys_mount+0x31d/0x420
[  637.660322][T10261]  ? __pfx___se_sys_mount+0x10/0x10
[  637.660348][T10261]  ? __x64_sys_mount+0x20/0xc0
[  637.660368][T10261]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  637.660388][T10261]  do_syscall_64+0x15f/0xf80
[  637.660407][T10261]  ? trace_irq_disable+0x3b/0x140
[  637.660432][T10261]  ? clear_bhb_loop+0x40/0x90
[  637.660454][T10261]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  637.660472][T10261] RIP: 0033:0x7f65fb21363a
[  637.660489][T10261] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48
[  637.660504][T10261] RSP: 002b:00007f65fb1d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
executing program
[  637.660524][T10261] RAX: ffffffffffffffda RBX: 00007f65fb1d8060 RCX: 00007f65fb21363a
[  637.660537][T10261] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f65fb1d8060
[  637.660549][T10261] RBP: 00002000000124c0 R08: 00007f65fb1d80a0 R09: 0000000000000000
[  637.660561][T10261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  637.660572][T10261] R13: 00007f65fb1d80a0 R14: 0000000000000003 R15: 0000000000000000
[  637.660595][T10261]  </TASK>
[  637.669800][T10261] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  637.669822][T10261] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  637.687763][ T8939] syz-executor170: attempt to access beyond end of device
[  637.687763][ T8939] loop1: rw=12289, sector=68719479080, nr_sectors = 8 limit=32768
[  637.687797][ T8939] Buffer I/O error on dev loop1, logical block 8589934885, lost async page write
[  637.687911][ T8939] gfs2: fsid=syz:syz.0: fatal: I/O error - block = 8589934885, function = gfs2_ail1_start_one, file = fs/gfs2/log.c, line = 116
[  637.687937][ T8939] CPU: 1 UID: 0 PID: 8939 Comm: syz-executor170 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  637.687957][ T8939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  637.687968][ T8939] Call Trace:
[  637.687976][ T8939]  <TASK>
[  637.687984][ T8939]  dump_stack_lvl+0xe8/0x150
[  637.688011][ T8939]  gfs2_withdraw+0xc3/0x1b0
[  637.688032][ T8939]  gfs2_ail1_flush+0x990/0xfd0
[  637.688072][ T8939]  ? __pfx_gfs2_ail1_flush+0x10/0x10
[  637.688109][ T8939]  empty_ail1_list+0x1b3/0x330
[  637.688135][ T8939]  ? __pfx_empty_ail1_list+0x10/0x10
[  637.688187][ T8939]  ? __pfx_rt_mutex_slowunlock+0x10/0x10
[  637.688215][ T8939]  ? rt_spin_unlock+0x14f/0x200
[  637.688244][ T8939]  ? rt_spin_unlock+0x160/0x200
[  637.688270][ T8939]  __gfs2_log_flush+0x16d1/0x1dc0
[  637.688306][ T8939]  ? __pfx___gfs2_log_flush+0x10/0x10
[  637.688339][ T8939]  gfs2_log_flush+0x34/0x50
[  637.688360][ T8939]  gfs2_kill_sb+0x5c/0x430
[  637.688385][ T8939]  deactivate_locked_super+0xbc/0x130