RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 601.206537][ T9923] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 601.206550][ T9923] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 601.206562][ T9923] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 601.206573][ T9923] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 601.206583][ T9923] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 601.206607][ T9923]
[ 601.206642][ T9923] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 601.206654][ T9923] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 601.633237][ T9769] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
executing program
[ 602.123016][ T9926] loop3: detected capacity change from 0 to 32768
[ 602.142084][ T9926] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 602.142111][ T9926] CPU: 1 UID: 0 PID: 9926 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 602.142140][ T9926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 602.142156][ T9926] Call Trace:
[ 602.142165][ T9926]
[ 602.142175][ T9926] dump_stack_lvl+0xe8/0x150
[ 602.142211][ T9926] sysfs_create_dir_ns+0x271/0x2a0
[ 602.142241][ T9926] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 602.142280][ T9926] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 602.142313][ T9926] ? rt_spin_unlock+0x160/0x200
[ 602.142351][ T9926] kobject_add_internal+0x631/0xd10
[ 602.142394][ T9926] kobject_init_and_add+0x12b/0x1a0
[ 602.142434][ T9926] ? __pfx_kobject_init_and_add+0x10/0x10
[ 602.142471][ T9926] ? __raw_spin_lock_init+0x45/0x100
[ 602.142509][ T9926] ? __init_swait_queue_head+0xa9/0x150
[ 602.142551][ T9926] gfs2_sys_fs_add+0x257/0x480
[ 602.142582][ T9926] ? is_dynamic_key+0x1ac/0x1c0
[ 602.142607][ T9926] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 602.142651][ T9926] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 602.142693][ T9926] gfs2_fill_super+0x141c/0x2220
[ 602.142743][ T9926] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.142768][ T9926] ? rt_spin_unlock+0x14f/0x200
[ 602.142809][ T9926] ? sb_set_blocksize+0x11b/0x210
[ 602.142835][ T9926] ? setup_bdev_super+0x4c1/0x5b0
[ 602.142876][ T9926] get_tree_bdev_flags+0x431/0x4f0
[ 602.142919][ T9926] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.142944][ T9926] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 602.142979][ T9926] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 602.143027][ T9926] gfs2_get_tree+0x51/0x1e0
[ 602.143056][ T9926] vfs_get_tree+0x92/0x2a0
[ 602.143094][ T9926] do_new_mount+0x341/0xd30
[ 602.143121][ T9926] ? apparmor_capable+0x126/0x170
[ 602.143155][ T9926] ? __pfx_do_new_mount+0x10/0x10
[ 602.143182][ T9926] ? ns_capable+0x89/0xe0
[ 602.143220][ T9926] ? user_path_at+0xd4/0x160
[ 602.143254][ T9926] ? user_path_at+0xd4/0x160
[ 602.143289][ T9926] __se_sys_mount+0x31d/0x420
[ 602.143323][ T9926] ? __pfx___se_sys_mount+0x10/0x10
[ 602.143357][ T9926] ? __x64_sys_mount+0x20/0xc0
[ 602.143383][ T9926] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.143408][ T9926] do_syscall_64+0x15f/0xf80
[ 602.143434][ T9926] ? trace_irq_disable+0x3b/0x140
[ 602.143468][ T9926] ? clear_bhb_loop+0x40/0x90
[ 602.143497][ T9926] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.143519][ T9926] RIP: 0033:0x7fa65595546a
[ 602.143541][ T9926] 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
[ 602.143560][ T9926] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 602.143585][ T9926] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 602.143604][ T9926] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 602.143622][ T9926] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
executing program
[ 602.143638][ T9926] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 602.143653][ T9926] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 602.143689][ T9926]
[ 602.143738][ T9926] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 602.143756][ T9926] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 602.524448][ T9769] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[ 602.953984][ T9929] loop4: detected capacity change from 0 to 32768
[ 602.990286][ T9929] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 602.990313][ T9929] CPU: 0 UID: 0 PID: 9929 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 602.990342][ T9929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 602.990358][ T9929] Call Trace:
[ 602.990378][ T9929]
[ 602.990388][ T9929] dump_stack_lvl+0xe8/0x150
[ 602.990425][ T9929] sysfs_create_dir_ns+0x271/0x2a0
[ 602.990456][ T9929] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 602.990494][ T9929] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 602.990528][ T9929] ? rt_spin_unlock+0x160/0x200
[ 602.990567][ T9929] kobject_add_internal+0x631/0xd10
[ 602.990610][ T9929] kobject_init_and_add+0x12b/0x1a0
[ 602.990651][ T9929] ? __pfx_kobject_init_and_add+0x10/0x10
[ 602.990687][ T9929] ? __raw_spin_lock_init+0x45/0x100
[ 602.990724][ T9929] ? __init_swait_queue_head+0xa9/0x150
[ 602.990764][ T9929] gfs2_sys_fs_add+0x257/0x480
[ 602.990796][ T9929] ? is_dynamic_key+0x1ac/0x1c0
[ 602.990821][ T9929] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 602.990872][ T9929] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 602.990914][ T9929] gfs2_fill_super+0x141c/0x2220
[ 602.990958][ T9929] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.990981][ T9929] ? rt_spin_unlock+0x14f/0x200
[ 602.991020][ T9929] ? sb_set_blocksize+0x11b/0x210
[ 602.991047][ T9929] ? setup_bdev_super+0x4c1/0x5b0
[ 602.991086][ T9929] get_tree_bdev_flags+0x431/0x4f0
[ 602.991123][ T9929] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.991149][ T9929] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 602.991183][ T9929] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 602.991230][ T9929] gfs2_get_tree+0x51/0x1e0
[ 602.991259][ T9929] vfs_get_tree+0x92/0x2a0
[ 602.991297][ T9929] do_new_mount+0x341/0xd30
[ 602.991322][ T9929] ? apparmor_capable+0x126/0x170
[ 602.991356][ T9929] ? __pfx_do_new_mount+0x10/0x10
[ 602.991384][ T9929] ? ns_capable+0x89/0xe0
[ 602.991427][ T9929] ? user_path_at+0xd4/0x160
[ 602.991463][ T9929] ? user_path_at+0xd4/0x160
[ 602.991498][ T9929] __se_sys_mount+0x31d/0x420
[ 602.991533][ T9929] ? __pfx___se_sys_mount+0x10/0x10
[ 602.991569][ T9929] ? __x64_sys_mount+0x20/0xc0
[ 602.991596][ T9929] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.991623][ T9929] do_syscall_64+0x15f/0xf80
[ 602.991649][ T9929] ? trace_irq_disable+0x3b/0x140
[ 602.991685][ T9929] ? clear_bhb_loop+0x40/0x90
[ 602.991713][ T9929] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.991737][ T9929] RIP: 0033:0x7fa65595546a
[ 602.991759][ T9929] 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
[ 602.991779][ T9929] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 602.991804][ T9929] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 602.991822][ T9929] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
executing program
[ 602.991840][ T9929] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 602.991862][ T9929] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 602.991878][ T9929] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 602.991913][ T9929]
[ 602.991958][ T9929] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 602.991977][ T9929] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 603.438820][ T9769] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 603.788348][ T9932] loop0: detected capacity change from 0 to 32768
[ 603.816370][ T9932] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 603.816396][ T9932] CPU: 0 UID: 0 PID: 9932 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 603.816425][ T9932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 603.816439][ T9932] Call Trace:
[ 603.816448][ T9932]
[ 603.816459][ T9932] dump_stack_lvl+0xe8/0x150
[ 603.816496][ T9932] sysfs_create_dir_ns+0x271/0x2a0
[ 603.816528][ T9932] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 603.816567][ T9932] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 603.816603][ T9932] ? rt_spin_unlock+0x160/0x200
[ 603.816641][ T9932] kobject_add_internal+0x631/0xd10
[ 603.816686][ T9932] kobject_init_and_add+0x12b/0x1a0
[ 603.816728][ T9932] ? __pfx_kobject_init_and_add+0x10/0x10
[ 603.816763][ T9932] ? __raw_spin_lock_init+0x45/0x100
[ 603.816814][ T9932] ? __init_swait_queue_head+0xa9/0x150
[ 603.816852][ T9932] gfs2_sys_fs_add+0x257/0x480
[ 603.816885][ T9932] ? is_dynamic_key+0x1ac/0x1c0
[ 603.816910][ T9932] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 603.816951][ T9932] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 603.816991][ T9932] gfs2_fill_super+0x141c/0x2220
[ 603.817036][ T9932] ? __pfx_gfs2_fill_super+0x10/0x10
[ 603.817059][ T9932] ? rt_spin_unlock+0x14f/0x200
[ 603.817100][ T9932] ? sb_set_blocksize+0x11b/0x210
[ 603.817126][ T9932] ? setup_bdev_super+0x4c1/0x5b0
[ 603.817167][ T9932] get_tree_bdev_flags+0x431/0x4f0
[ 603.817204][ T9932] ? __pfx_gfs2_fill_super+0x10/0x10
[ 603.817229][ T9932] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 603.817262][ T9932] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 603.817309][ T9932] gfs2_get_tree+0x51/0x1e0
[ 603.817339][ T9932] vfs_get_tree+0x92/0x2a0
[ 603.817379][ T9932] do_new_mount+0x341/0xd30
[ 603.817406][ T9932] ? apparmor_capable+0x126/0x170
[ 603.817440][ T9932] ? __pfx_do_new_mount+0x10/0x10
[ 603.817469][ T9932] ? ns_capable+0x89/0xe0
[ 603.817508][ T9932] ? user_path_at+0xd4/0x160
[ 603.817545][ T9932] ? user_path_at+0xd4/0x160
[ 603.817579][ T9932] __se_sys_mount+0x31d/0x420
[ 603.817614][ T9932] ? __pfx___se_sys_mount+0x10/0x10
[ 603.817650][ T9932] ? __x64_sys_mount+0x20/0xc0
[ 603.817678][ T9932] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.817705][ T9932] do_syscall_64+0x15f/0xf80
[ 603.817732][ T9932] ? trace_irq_disable+0x3b/0x140
[ 603.817768][ T9932] ? clear_bhb_loop+0x40/0x90
[ 603.817803][ T9932] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 603.817827][ T9932] RIP: 0033:0x7fa65595546a
[ 603.817849][ T9932] 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
[ 603.817870][ T9932] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 603.817895][ T9932] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 603.817914][ T9932] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 603.817932][ T9932] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 603.817948][ T9932] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 603.817963][ T9932] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 603.817999][ T9932]
[ 603.818090][ T9932] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 603.818111][ T9932] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 604.234010][ T9769] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 605.027676][ T9135] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 566
[ 605.027716][ T9135] CPU: 0 UID: 0 PID: 9135 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 605.027743][ T9135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 605.027758][ T9135] Call Trace:
[ 605.027768][ T9135]
[ 605.027779][ T9135] dump_stack_lvl+0xe8/0x150
[ 605.027816][ T9135] gfs2_assert_warn_i+0x194/0x2c0
[ 605.027851][ T9135] gfs2_make_fs_ro+0x30d/0x320
[ 605.027884][ T9135] ? __pfx_gfs2_make_fs_ro+0x10/0x10
[ 605.027915][ T9135] ? __pfx_autoremove_wake_function+0x10/0x10
[ 605.027964][ T9135] ? flush_work+0xd/0x30
[ 605.027991][ T9135] gfs2_put_super+0x235/0x870
[ 605.028028][ T9135] ? __pfx_gfs2_put_super+0x10/0x10
[ 605.028058][ T9135] generic_shutdown_super+0x13d/0x2d0
[ 605.028133][ T9135] kill_block_super+0x44/0x90
[ 605.028169][ T9135] deactivate_locked_super+0xbc/0x130
[ 605.028203][ T9135] cleanup_mnt+0x437/0x4d0
[ 605.028235][ T9135] ? _raw_spin_unlock_irq+0x23/0x50
[ 605.028266][ T9135] task_work_run+0x1d9/0x270
[ 605.028297][ T9135] ? __pfx_task_work_run+0x10/0x10
[ 605.028335][ T9135] exit_to_user_mode_loop+0xf3/0x4d0
[ 605.028358][ T9135] ? rcu_is_watching+0x15/0xb0
[ 605.028388][ T9135] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.028492][ T9135] do_syscall_64+0x33e/0xf80
[ 605.028519][ T9135] ? trace_irq_disable+0x3b/0x140
[ 605.028554][ T9135] ? clear_bhb_loop+0x40/0x90
[ 605.028583][ T9135] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.028606][ T9135] RIP: 0033:0x7fa655955437
[ 605.028629][ T9135] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 605.028649][ T9135] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 605.028675][ T9135] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007fa655955437
[ 605.028690][ T9135] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 605.028706][ T9135] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 605.028722][ T9135] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 605.028738][ T9135] R13: 00005555887de980 R14: 0000000000000060 R15: 0000000000000004
[ 605.028773][ T9135]
[ 605.411529][ T9135] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
executing program
executing program
[ 605.912895][ T9935] loop1: detected capacity change from 0 to 32768
[ 606.042962][ T9935] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 606.042986][ T9935] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 606.122283][ T9935] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 606.127031][ T5635] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 606.127053][ T5635] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 606.252750][ T5635] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 125ms
[ 606.257224][ T5635] gfs2: fsid=syz:syz.0: jid=0: Done
[ 606.257347][ T9935] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 606.373572][ T9936] loop2: detected capacity change from 0 to 32768
[ 606.423250][ T9936] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 606.423276][ T9936] CPU: 0 UID: 0 PID: 9936 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 606.423315][ T9936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 606.423329][ T9936] Call Trace:
[ 606.423339][ T9936]
[ 606.423349][ T9936] dump_stack_lvl+0xe8/0x150
[ 606.423387][ T9936] sysfs_create_dir_ns+0x271/0x2a0
[ 606.423419][ T9936] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 606.423458][ T9936] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 606.423493][ T9936] ? rt_spin_unlock+0x160/0x200
[ 606.423532][ T9936] kobject_add_internal+0x631/0xd10
[ 606.423577][ T9936] kobject_init_and_add+0x12b/0x1a0
[ 606.423618][ T9936] ? __pfx_kobject_init_and_add+0x10/0x10
[ 606.423655][ T9936] ? __raw_spin_lock_init+0x45/0x100
[ 606.423694][ T9936] ? __init_swait_queue_head+0xa9/0x150
[ 606.423735][ T9936] gfs2_sys_fs_add+0x257/0x480
[ 606.423767][ T9936] ? is_dynamic_key+0x1ac/0x1c0
[ 606.423793][ T9936] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 606.423836][ T9936] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 606.423879][ T9936] gfs2_fill_super+0x141c/0x2220
[ 606.423922][ T9936] ? __pfx_gfs2_fill_super+0x10/0x10
[ 606.423946][ T9936] ? rt_spin_unlock+0x14f/0x200
[ 606.423986][ T9936] ? sb_set_blocksize+0x11b/0x210
[ 606.424013][ T9936] ? setup_bdev_super+0x4c1/0x5b0
[ 606.424053][ T9936] get_tree_bdev_flags+0x431/0x4f0
[ 606.424089][ T9936] ? __pfx_gfs2_fill_super+0x10/0x10
[ 606.424115][ T9936] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 606.424149][ T9936] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 606.424197][ T9936] gfs2_get_tree+0x51/0x1e0
[ 606.424227][ T9936] vfs_get_tree+0x92/0x2a0
[ 606.424266][ T9936] do_new_mount+0x341/0xd30
[ 606.424293][ T9936] ? apparmor_capable+0x126/0x170
[ 606.424335][ T9936] ? __pfx_do_new_mount+0x10/0x10
[ 606.424362][ T9936] ? ns_capable+0x89/0xe0
[ 606.424399][ T9936] ? user_path_at+0xd4/0x160
[ 606.424436][ T9936] ? user_path_at+0xd4/0x160
[ 606.424470][ T9936] __se_sys_mount+0x31d/0x420
[ 606.424511][ T9936] ? __pfx___se_sys_mount+0x10/0x10
[ 606.424547][ T9936] ? __x64_sys_mount+0x20/0xc0
[ 606.424576][ T9936] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.424603][ T9936] do_syscall_64+0x15f/0xf80
[ 606.424630][ T9936] ? trace_irq_disable+0x3b/0x140
[ 606.424665][ T9936] ? clear_bhb_loop+0x40/0x90
[ 606.424693][ T9936] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.424716][ T9936] RIP: 0033:0x7fa65595546a
[ 606.424738][ T9936] 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
[ 606.424757][ T9936] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 606.424780][ T9936] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 606.424797][ T9936] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 606.424813][ T9936] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
executing program
[ 606.424829][ T9936] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 606.424844][ T9936] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 606.424877][ T9936]
[ 606.424926][ T9936] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 606.424944][ T9936] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 606.861720][ T9635] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[ 607.232855][ T9943] loop3: detected capacity change from 0 to 32768
[ 607.300791][ T9935] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 607.309106][ T9943] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 607.309132][ T9943] CPU: 1 UID: 0 PID: 9943 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 607.309157][ T9943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 607.309172][ T9943] Call Trace:
[ 607.309181][ T9943]
[ 607.309191][ T9943] dump_stack_lvl+0xe8/0x150
[ 607.309228][ T9943] sysfs_create_dir_ns+0x271/0x2a0
[ 607.309259][ T9943] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 607.309299][ T9943] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 607.309333][ T9943] ? rt_spin_unlock+0x160/0x200
[ 607.309370][ T9943] kobject_add_internal+0x631/0xd10
[ 607.309413][ T9943] kobject_init_and_add+0x12b/0x1a0
[ 607.309453][ T9943] ? __pfx_kobject_init_and_add+0x10/0x10
[ 607.309489][ T9943] ? __raw_spin_lock_init+0x45/0x100
[ 607.309527][ T9943] ? __init_swait_queue_head+0xa9/0x150
[ 607.309578][ T9943] gfs2_sys_fs_add+0x257/0x480
[ 607.309610][ T9943] ? is_dynamic_key+0x1ac/0x1c0
[ 607.309636][ T9943] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 607.309678][ T9943] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 607.309721][ T9943] gfs2_fill_super+0x141c/0x2220
[ 607.309765][ T9943] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.309789][ T9943] ? rt_spin_unlock+0x14f/0x200
[ 607.309830][ T9943] ? sb_set_blocksize+0x11b/0x210
[ 607.309857][ T9943] ? setup_bdev_super+0x4c1/0x5b0
[ 607.309897][ T9943] get_tree_bdev_flags+0x431/0x4f0
[ 607.309934][ T9943] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.309961][ T9943] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 607.309995][ T9943] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 607.310041][ T9943] gfs2_get_tree+0x51/0x1e0
[ 607.310069][ T9943] vfs_get_tree+0x92/0x2a0
[ 607.310106][ T9943] do_new_mount+0x341/0xd30
[ 607.310132][ T9943] ? apparmor_capable+0x126/0x170
[ 607.310166][ T9943] ? __pfx_do_new_mount+0x10/0x10
[ 607.310194][ T9943] ? ns_capable+0x89/0xe0
[ 607.310232][ T9943] ? user_path_at+0xd4/0x160
[ 607.310268][ T9943] ? user_path_at+0xd4/0x160
[ 607.310301][ T9943] __se_sys_mount+0x31d/0x420
[ 607.310335][ T9943] ? __pfx___se_sys_mount+0x10/0x10
[ 607.310368][ T9943] ? __x64_sys_mount+0x20/0xc0
[ 607.310396][ T9943] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.310434][ T9943] do_syscall_64+0x15f/0xf80
[ 607.310460][ T9943] ? trace_irq_disable+0x3b/0x140
[ 607.310497][ T9943] ? clear_bhb_loop+0x40/0x90
[ 607.310523][ T9943] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.310557][ T9943] RIP: 0033:0x7fa65595546a
[ 607.310579][ T9943] 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
[ 607.310598][ T9943] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 607.310624][ T9943] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
executing program
[ 607.310642][ T9943] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 607.310659][ T9943] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 607.310675][ T9943] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 607.310691][ T9943] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 607.310725][ T9943]
[ 607.310757][ T9943] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 607.310777][ T9943] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 607.790894][ T9769] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[ 608.139705][ T9946] loop4: detected capacity change from 0 to 32768
[ 608.169186][ T9946] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 608.169206][ T9946] CPU: 1 UID: 0 PID: 9946 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 608.169226][ T9946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 608.169237][ T9946] Call Trace:
[ 608.169243][ T9946]
[ 608.169250][ T9946] dump_stack_lvl+0xe8/0x150
[ 608.169276][ T9946] sysfs_create_dir_ns+0x271/0x2a0
[ 608.169297][ T9946] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 608.169324][ T9946] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 608.169348][ T9946] ? rt_spin_unlock+0x160/0x200
[ 608.169374][ T9946] kobject_add_internal+0x631/0xd10
[ 608.169404][ T9946] kobject_init_and_add+0x12b/0x1a0
[ 608.169434][ T9946] ? __pfx_kobject_init_and_add+0x10/0x10
[ 608.169459][ T9946] ? __raw_spin_lock_init+0x45/0x100
[ 608.169490][ T9946] ? __init_swait_queue_head+0xa9/0x150
[ 608.169519][ T9946] gfs2_sys_fs_add+0x257/0x480
[ 608.169541][ T9946] ? is_dynamic_key+0x1ac/0x1c0
[ 608.169559][ T9946] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 608.169588][ T9946] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 608.169617][ T9946] gfs2_fill_super+0x141c/0x2220
[ 608.169647][ T9946] ? __pfx_gfs2_fill_super+0x10/0x10
[ 608.169687][ T9946] ? rt_spin_unlock+0x14f/0x200
[ 608.169730][ T9946] ? sb_set_blocksize+0x11b/0x210
[ 608.169749][ T9946] ? setup_bdev_super+0x4c1/0x5b0
[ 608.169777][ T9946] get_tree_bdev_flags+0x431/0x4f0
[ 608.169803][ T9946] ? __pfx_gfs2_fill_super+0x10/0x10
[ 608.169821][ T9946] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 608.169845][ T9946] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 608.169878][ T9946] gfs2_get_tree+0x51/0x1e0
[ 608.169898][ T9946] vfs_get_tree+0x92/0x2a0
[ 608.169925][ T9946] do_new_mount+0x341/0xd30
[ 608.169943][ T9946] ? apparmor_capable+0x126/0x170
[ 608.169966][ T9946] ? __pfx_do_new_mount+0x10/0x10
[ 608.169986][ T9946] ? ns_capable+0x89/0xe0
[ 608.170012][ T9946] ? user_path_at+0xd4/0x160
[ 608.170037][ T9946] ? user_path_at+0xd4/0x160
[ 608.170061][ T9946] __se_sys_mount+0x31d/0x420
[ 608.170086][ T9946] ? __pfx___se_sys_mount+0x10/0x10
[ 608.170111][ T9946] ? __x64_sys_mount+0x20/0xc0
[ 608.170130][ T9946] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.170148][ T9946] do_syscall_64+0x15f/0xf80
[ 608.170174][ T9946] ? trace_irq_disable+0x3b/0x140
[ 608.170199][ T9946] ? clear_bhb_loop+0x40/0x90
[ 608.170219][ T9946] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.170235][ T9946] RIP: 0033:0x7fa65595546a
[ 608.170251][ T9946] 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
[ 608.170265][ T9946] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 608.170282][ T9946] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
executing program
[ 608.170295][ T9946] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 608.170307][ T9946] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 608.170318][ T9946] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 608.170329][ T9946] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 608.170353][ T9946]
[ 608.170382][ T9946] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 608.170411][ T9946] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 608.601375][ T9769] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 608.960621][ T9949] loop0: detected capacity change from 0 to 32768
[ 609.004707][ T9949] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 609.004726][ T9949] CPU: 0 UID: 0 PID: 9949 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 609.004745][ T9949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 609.004756][ T9949] Call Trace:
[ 609.004763][ T9949]
[ 609.004770][ T9949] dump_stack_lvl+0xe8/0x150
[ 609.004797][ T9949] sysfs_create_dir_ns+0x271/0x2a0
[ 609.004819][ T9949] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 609.004847][ T9949] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 609.004871][ T9949] ? rt_spin_unlock+0x160/0x200
[ 609.004897][ T9949] kobject_add_internal+0x631/0xd10
[ 609.004928][ T9949] kobject_init_and_add+0x12b/0x1a0
[ 609.004957][ T9949] ? __pfx_kobject_init_and_add+0x10/0x10
[ 609.004982][ T9949] ? __raw_spin_lock_init+0x45/0x100
[ 609.005009][ T9949] ? __init_swait_queue_head+0xa9/0x150
[ 609.005038][ T9949] gfs2_sys_fs_add+0x257/0x480
[ 609.005062][ T9949] ? is_dynamic_key+0x1ac/0x1c0
[ 609.005081][ T9949] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 609.005110][ T9949] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 609.005139][ T9949] gfs2_fill_super+0x141c/0x2220
[ 609.005168][ T9949] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.005185][ T9949] ? rt_spin_unlock+0x14f/0x200
[ 609.005213][ T9949] ? sb_set_blocksize+0x11b/0x210
[ 609.005232][ T9949] ? setup_bdev_super+0x4c1/0x5b0
[ 609.005260][ T9949] get_tree_bdev_flags+0x431/0x4f0
[ 609.005286][ T9949] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.005304][ T9949] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 609.005334][ T9949] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 609.005366][ T9949] gfs2_get_tree+0x51/0x1e0
[ 609.005386][ T9949] vfs_get_tree+0x92/0x2a0
[ 609.005412][ T9949] do_new_mount+0x341/0xd30
[ 609.005431][ T9949] ? apparmor_capable+0x126/0x170
[ 609.005454][ T9949] ? __pfx_do_new_mount+0x10/0x10
[ 609.005474][ T9949] ? ns_capable+0x89/0xe0
[ 609.005501][ T9949] ? user_path_at+0xd4/0x160
[ 609.005526][ T9949] ? user_path_at+0xd4/0x160
[ 609.005550][ T9949] __se_sys_mount+0x31d/0x420
[ 609.005574][ T9949] ? __pfx___se_sys_mount+0x10/0x10
[ 609.005599][ T9949] ? __x64_sys_mount+0x20/0xc0
[ 609.005619][ T9949] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.005637][ T9949] do_syscall_64+0x15f/0xf80
[ 609.005656][ T9949] ? trace_irq_disable+0x3b/0x140
[ 609.005681][ T9949] ? clear_bhb_loop+0x40/0x90
[ 609.005701][ T9949] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.005717][ T9949] RIP: 0033:0x7fa65595546a
[ 609.005733][ T9949] 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
[ 609.005747][ T9949] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 609.005764][ T9949] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 609.005777][ T9949] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 609.005789][ T9949] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 609.005800][ T9949] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 609.005811][ T9949] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 609.005835][ T9949]
[ 609.005855][ T9949] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 609.005868][ T9949] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 609.426646][ T9769] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 610.661056][ T9135] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 610.661100][ T9135] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 610.661134][ T9135] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9135 [syz-executor163] gfs2_quota_sync+0x370/0x470
[ 610.661185][ T9135] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 610.661217][ T9135] CPU: 1 UID: 0 PID: 9135 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 610.661243][ T9135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 610.661259][ T9135] Call Trace:
[ 610.661268][ T9135]
[ 610.661279][ T9135] dump_stack_lvl+0xe8/0x150
[ 610.661313][ T9135] gfs2_withdraw+0xc3/0x1b0
[ 610.661341][ T9135] inode_go_instantiate+0xe69/0x12a0
[ 610.661377][ T9135] ? __pfx_inode_go_instantiate+0x10/0x10
[ 610.661399][ T9135] ? rt_spin_unlock+0x160/0x200
[ 610.661449][ T9135] gfs2_instantiate+0x168/0x220
[ 610.661480][ T9135] gfs2_glock_wait+0x1d7/0x2a0
[ 610.661512][ T9135] do_sync+0x49a/0xcb0
[ 610.661546][ T9135] ? gfs2_quota_sync+0x370/0x470
[ 610.661591][ T9135] ? __pfx_do_sync+0x10/0x10
[ 610.661620][ T9135] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 610.661667][ T9135] ? gfs2_quota_sync+0x370/0x470
[ 610.661698][ T9135] ? rt_spin_unlock+0x14f/0x200
[ 610.661739][ T9135] ? rt_spin_unlock+0x160/0x200
[ 610.661778][ T9135] gfs2_quota_sync+0x370/0x470
[ 610.661824][ T9135] gfs2_sync_fs+0x4c/0xb0
[ 610.661857][ T9135] sync_filesystem+0xed/0x250
[ 610.661903][ T9135] generic_shutdown_super+0x77/0x2d0
[ 610.661939][ T9135] kill_block_super+0x44/0x90
[ 610.661976][ T9135] deactivate_locked_super+0xbc/0x130
[ 610.662010][ T9135] cleanup_mnt+0x437/0x4d0
[ 610.662043][ T9135] ? _raw_spin_unlock_irq+0x23/0x50
[ 610.662075][ T9135] task_work_run+0x1d9/0x270
[ 610.662108][ T9135] ? __pfx_task_work_run+0x10/0x10
[ 610.662147][ T9135] exit_to_user_mode_loop+0xf3/0x4d0
[ 610.662170][ T9135] ? rcu_is_watching+0x15/0xb0
[ 610.662200][ T9135] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.662226][ T9135] do_syscall_64+0x33e/0xf80
[ 610.662255][ T9135] ? trace_irq_disable+0x3b/0x140
[ 610.662291][ T9135] ? clear_bhb_loop+0x40/0x90
[ 610.662321][ T9135] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.662345][ T9135] RIP: 0033:0x7fa655955437
executing program
[ 610.662368][ T9135] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 610.662391][ T9135] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 610.662415][ T9135] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fa655955437
[ 610.662431][ T9135] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 610.662446][ T9135] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 610.662462][ T9135] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 610.662476][ T9135] R13: 00005555887de980 R14: 0000000000000064 R15: 0000000000000005
[ 610.662510][ T9135]
[ 610.662531][ T9135] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 611.335760][ T9953] loop2: detected capacity change from 0 to 32768
[ 611.363864][ T9953] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 611.363892][ T9953] CPU: 0 UID: 0 PID: 9953 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 611.363927][ T9953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 611.363942][ T9953] Call Trace:
[ 611.363951][ T9953]
[ 611.363962][ T9953] dump_stack_lvl+0xe8/0x150
[ 611.363998][ T9953] sysfs_create_dir_ns+0x271/0x2a0
[ 611.364029][ T9953] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 611.364068][ T9953] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 611.364103][ T9953] ? rt_spin_unlock+0x160/0x200
[ 611.364141][ T9953] kobject_add_internal+0x631/0xd10
[ 611.364185][ T9953] kobject_init_and_add+0x12b/0x1a0
[ 611.364226][ T9953] ? __pfx_kobject_init_and_add+0x10/0x10
[ 611.364263][ T9953] ? __raw_spin_lock_init+0x45/0x100
[ 611.364301][ T9953] ? __init_swait_queue_head+0xa9/0x150
[ 611.364341][ T9953] gfs2_sys_fs_add+0x257/0x480
[ 611.364371][ T9953] ? is_dynamic_key+0x1ac/0x1c0
[ 611.364395][ T9953] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 611.364438][ T9953] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 611.364480][ T9953] gfs2_fill_super+0x141c/0x2220
[ 611.364522][ T9953] ? __pfx_gfs2_fill_super+0x10/0x10
[ 611.364545][ T9953] ? rt_spin_unlock+0x14f/0x200
[ 611.364586][ T9953] ? sb_set_blocksize+0x11b/0x210
[ 611.364612][ T9953] ? setup_bdev_super+0x4c1/0x5b0
[ 611.364651][ T9953] get_tree_bdev_flags+0x431/0x4f0
[ 611.364689][ T9953] ? __pfx_gfs2_fill_super+0x10/0x10
[ 611.364715][ T9953] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 611.364749][ T9953] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 611.364794][ T9953] gfs2_get_tree+0x51/0x1e0
[ 611.364824][ T9953] vfs_get_tree+0x92/0x2a0
[ 611.364861][ T9953] do_new_mount+0x341/0xd30
[ 611.364887][ T9953] ? apparmor_capable+0x126/0x170
[ 611.364926][ T9953] ? __pfx_do_new_mount+0x10/0x10
[ 611.364955][ T9953] ? ns_capable+0x89/0xe0
[ 611.364992][ T9953] ? user_path_at+0xd4/0x160
[ 611.365028][ T9953] ? user_path_at+0xd4/0x160
[ 611.365062][ T9953] __se_sys_mount+0x31d/0x420
[ 611.365097][ T9953] ? __pfx___se_sys_mount+0x10/0x10
[ 611.365133][ T9953] ? __x64_sys_mount+0x20/0xc0
[ 611.365162][ T9953] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.365188][ T9953] do_syscall_64+0x15f/0xf80
[ 611.365215][ T9953] ? trace_irq_disable+0x3b/0x140
[ 611.365250][ T9953] ? clear_bhb_loop+0x40/0x90
[ 611.365279][ T9953] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.365303][ T9953] RIP: 0033:0x7fa65595546a
[ 611.365324][ T9953] 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
[ 611.365345][ T9953] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 611.365370][ T9953] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 611.365387][ T9953] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 611.365404][ T9953] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 611.365420][ T9953] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 611.365435][ T9953] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 611.365471][ T9953]
[ 611.365515][ T9953] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 611.365533][ T9953] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 611.778006][ T9769] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[ 612.222034][ T9956] loop3: detected capacity change from 0 to 32768
[ 612.250999][ T9956] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 612.251024][ T9956] CPU: 1 UID: 0 PID: 9956 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 612.251059][ T9956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 612.251073][ T9956] Call Trace:
[ 612.251083][ T9956]
[ 612.251094][ T9956] dump_stack_lvl+0xe8/0x150
[ 612.251131][ T9956] sysfs_create_dir_ns+0x271/0x2a0
[ 612.251163][ T9956] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 612.251203][ T9956] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 612.251238][ T9956] ? rt_spin_unlock+0x160/0x200
[ 612.251276][ T9956] kobject_add_internal+0x631/0xd10
[ 612.251321][ T9956] kobject_init_and_add+0x12b/0x1a0
[ 612.251361][ T9956] ? __pfx_kobject_init_and_add+0x10/0x10
[ 612.251398][ T9956] ? __raw_spin_lock_init+0x45/0x100
[ 612.251435][ T9956] ? __init_swait_queue_head+0xa9/0x150
[ 612.251476][ T9956] gfs2_sys_fs_add+0x257/0x480
[ 612.251507][ T9956] ? is_dynamic_key+0x1ac/0x1c0
[ 612.251533][ T9956] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 612.251576][ T9956] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 612.251618][ T9956] gfs2_fill_super+0x141c/0x2220
[ 612.251661][ T9956] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.251684][ T9956] ? rt_spin_unlock+0x14f/0x200
[ 612.251725][ T9956] ? sb_set_blocksize+0x11b/0x210
[ 612.251751][ T9956] ? setup_bdev_super+0x4c1/0x5b0
[ 612.251791][ T9956] get_tree_bdev_flags+0x431/0x4f0
[ 612.251835][ T9956] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.251861][ T9956] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 612.251895][ T9956] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 612.251942][ T9956] gfs2_get_tree+0x51/0x1e0
[ 612.251971][ T9956] vfs_get_tree+0x92/0x2a0
[ 612.252009][ T9956] do_new_mount+0x341/0xd30
[ 612.252035][ T9956] ? apparmor_capable+0x126/0x170
[ 612.252069][ T9956] ? __pfx_do_new_mount+0x10/0x10
[ 612.252097][ T9956] ? ns_capable+0x89/0xe0
[ 612.252135][ T9956] ? user_path_at+0xd4/0x160
[ 612.252177][ T9956] ? user_path_at+0xd4/0x160
[ 612.252212][ T9956] __se_sys_mount+0x31d/0x420
[ 612.252246][ T9956] ? __pfx___se_sys_mount+0x10/0x10
[ 612.252282][ T9956] ? __x64_sys_mount+0x20/0xc0
[ 612.252311][ T9956] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.252337][ T9956] do_syscall_64+0x15f/0xf80
[ 612.252364][ T9956] ? trace_irq_disable+0x3b/0x140
[ 612.252401][ T9956] ? clear_bhb_loop+0x40/0x90
[ 612.252429][ T9956] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.252453][ T9956] RIP: 0033:0x7fa65595546a
[ 612.252475][ T9956] 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
[ 612.252497][ T9956] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 612.252522][ T9956] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 612.252540][ T9956] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 612.252557][ T9956] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 612.252574][ T9956] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 612.252591][ T9956] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 612.252626][ T9956]
executing program
[ 612.252673][ T9956] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 612.252692][ T9956] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 612.711718][ T9635] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[ 613.139807][ T9959] loop4: detected capacity change from 0 to 32768
[ 613.167247][ T9959] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 613.167272][ T9959] CPU: 1 UID: 0 PID: 9959 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 613.167299][ T9959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 613.167315][ T9959] Call Trace:
[ 613.167324][ T9959]
[ 613.167335][ T9959] dump_stack_lvl+0xe8/0x150
[ 613.167372][ T9959] sysfs_create_dir_ns+0x271/0x2a0
[ 613.167403][ T9959] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 613.167443][ T9959] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 613.167478][ T9959] ? rt_spin_unlock+0x160/0x200
[ 613.167517][ T9959] kobject_add_internal+0x631/0xd10
[ 613.167563][ T9959] kobject_init_and_add+0x12b/0x1a0
[ 613.167603][ T9959] ? __pfx_kobject_init_and_add+0x10/0x10
[ 613.167641][ T9959] ? __raw_spin_lock_init+0x45/0x100
[ 613.167679][ T9959] ? __init_swait_queue_head+0xa9/0x150
[ 613.167728][ T9959] gfs2_sys_fs_add+0x257/0x480
[ 613.167760][ T9959] ? is_dynamic_key+0x1ac/0x1c0
[ 613.167786][ T9959] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 613.167827][ T9959] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 613.167867][ T9959] gfs2_fill_super+0x141c/0x2220
[ 613.167909][ T9959] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.167943][ T9959] ? rt_spin_unlock+0x14f/0x200
[ 613.167981][ T9959] ? sb_set_blocksize+0x11b/0x210
[ 613.168006][ T9959] ? setup_bdev_super+0x4c1/0x5b0
[ 613.168040][ T9959] get_tree_bdev_flags+0x431/0x4f0
[ 613.168074][ T9959] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.168099][ T9959] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 613.168129][ T9959] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 613.168171][ T9959] gfs2_get_tree+0x51/0x1e0
[ 613.168198][ T9959] vfs_get_tree+0x92/0x2a0
[ 613.168233][ T9959] do_new_mount+0x341/0xd30
[ 613.168260][ T9959] ? apparmor_capable+0x126/0x170
[ 613.168291][ T9959] ? __pfx_do_new_mount+0x10/0x10
[ 613.168318][ T9959] ? ns_capable+0x89/0xe0
[ 613.168354][ T9959] ? user_path_at+0xd4/0x160
[ 613.168391][ T9959] ? user_path_at+0xd4/0x160
[ 613.168423][ T9959] __se_sys_mount+0x31d/0x420
[ 613.168463][ T9959] ? __pfx___se_sys_mount+0x10/0x10
[ 613.168499][ T9959] ? __x64_sys_mount+0x20/0xc0
[ 613.168525][ T9959] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.168550][ T9959] do_syscall_64+0x15f/0xf80
[ 613.168575][ T9959] ? trace_irq_disable+0x3b/0x140
[ 613.168605][ T9959] ? clear_bhb_loop+0x40/0x90
[ 613.168628][ T9959] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.168646][ T9959] RIP: 0033:0x7fa65595546a
[ 613.168663][ T9959] 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
[ 613.168679][ T9959] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 613.168699][ T9959] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 613.168721][ T9959] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 613.168735][ T9959] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 613.168747][ T9959] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 613.168760][ T9959] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 613.168786][ T9959]
[ 613.168839][ T9959] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 613.168859][ T9959] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 613.612462][ T9769] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
executing program
[ 613.981596][ T9962] loop0: detected capacity change from 0 to 32768
[ 613.992515][ T9962] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 613.992542][ T9962] CPU: 1 UID: 0 PID: 9962 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 613.992569][ T9962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 613.992583][ T9962] Call Trace:
[ 613.992600][ T9962]
[ 613.992610][ T9962] dump_stack_lvl+0xe8/0x150
[ 613.992645][ T9962] sysfs_create_dir_ns+0x271/0x2a0
[ 613.992676][ T9962] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 613.992714][ T9962] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 613.992747][ T9962] ? rt_spin_unlock+0x160/0x200
[ 613.992784][ T9962] kobject_add_internal+0x631/0xd10
[ 613.992828][ T9962] kobject_init_and_add+0x12b/0x1a0
[ 613.992868][ T9962] ? __pfx_kobject_init_and_add+0x10/0x10
[ 613.992904][ T9962] ? __raw_spin_lock_init+0x45/0x100
[ 613.992942][ T9962] ? __init_swait_queue_head+0xa9/0x150
[ 613.992982][ T9962] gfs2_sys_fs_add+0x257/0x480
[ 613.993015][ T9962] ? is_dynamic_key+0x1ac/0x1c0
[ 613.993041][ T9962] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 613.993081][ T9962] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 613.993124][ T9962] gfs2_fill_super+0x141c/0x2220
[ 613.993168][ T9962] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.993191][ T9962] ? rt_spin_unlock+0x14f/0x200
[ 613.993232][ T9962] ? sb_set_blocksize+0x11b/0x210
[ 613.993260][ T9962] ? setup_bdev_super+0x4c1/0x5b0
[ 613.993302][ T9962] get_tree_bdev_flags+0x431/0x4f0
[ 613.993337][ T9962] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.993363][ T9962] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 613.993397][ T9962] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 613.993444][ T9962] gfs2_get_tree+0x51/0x1e0
[ 613.993473][ T9962] vfs_get_tree+0x92/0x2a0
[ 613.993511][ T9962] do_new_mount+0x341/0xd30
[ 613.993537][ T9962] ? apparmor_capable+0x126/0x170
[ 613.993570][ T9962] ? __pfx_do_new_mount+0x10/0x10
[ 613.993608][ T9962] ? ns_capable+0x89/0xe0
[ 613.993646][ T9962] ? user_path_at+0xd4/0x160
[ 613.993682][ T9962] ? user_path_at+0xd4/0x160
[ 613.993716][ T9962] __se_sys_mount+0x31d/0x420
[ 613.993750][ T9962] ? __pfx___se_sys_mount+0x10/0x10
[ 613.993785][ T9962] ? __x64_sys_mount+0x20/0xc0
[ 613.993813][ T9962] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.993840][ T9962] do_syscall_64+0x15f/0xf80
[ 613.993869][ T9962] ? trace_irq_disable+0x3b/0x140
[ 613.993906][ T9962] ? clear_bhb_loop+0x40/0x90
[ 613.993936][ T9962] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.993961][ T9962] RIP: 0033:0x7fa65595546a
[ 613.993983][ T9962] 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
[ 613.994005][ T9962] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 613.994030][ T9962] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 613.994048][ T9962] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 613.994064][ T9962] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 613.994081][ T9962] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 613.994096][ T9962] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 613.994131][ T9962]
[ 613.994162][ T9962] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 613.994181][ T9962] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 614.393381][ T9769] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 615.670494][ T9135] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 566
[ 615.670537][ T9135] CPU: 0 UID: 0 PID: 9135 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 615.670572][ T9135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 615.670587][ T9135] Call Trace:
[ 615.670597][ T9135]
[ 615.670608][ T9135] dump_stack_lvl+0xe8/0x150
[ 615.670644][ T9135] gfs2_assert_warn_i+0x194/0x2c0
[ 615.670680][ T9135] gfs2_make_fs_ro+0x30d/0x320
[ 615.670713][ T9135] ? __pfx_gfs2_make_fs_ro+0x10/0x10
[ 615.670744][ T9135] ? __pfx_autoremove_wake_function+0x10/0x10
[ 615.670791][ T9135] ? flush_work+0xd/0x30
[ 615.670819][ T9135] gfs2_put_super+0x235/0x870
[ 615.670856][ T9135] ? __pfx_gfs2_put_super+0x10/0x10
[ 615.670885][ T9135] generic_shutdown_super+0x13d/0x2d0
[ 615.670923][ T9135] kill_block_super+0x44/0x90
[ 615.670960][ T9135] deactivate_locked_super+0xbc/0x130
[ 615.670994][ T9135] cleanup_mnt+0x437/0x4d0
[ 615.671028][ T9135] ? _raw_spin_unlock_irq+0x23/0x50
[ 615.671063][ T9135] task_work_run+0x1d9/0x270
[ 615.671095][ T9135] ? __pfx_task_work_run+0x10/0x10
[ 615.671135][ T9135] exit_to_user_mode_loop+0xf3/0x4d0
[ 615.671158][ T9135] ? rcu_is_watching+0x15/0xb0
[ 615.671188][ T9135] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.671214][ T9135] do_syscall_64+0x33e/0xf80
[ 615.671241][ T9135] ? trace_irq_disable+0x3b/0x140
[ 615.671278][ T9135] ? clear_bhb_loop+0x40/0x90
[ 615.671307][ T9135] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 615.671331][ T9135] RIP: 0033:0x7fa655955437
[ 615.671354][ T9135] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 615.671374][ T9135] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 615.671398][ T9135] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fa655955437
[ 615.671412][ T9135] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 615.671428][ T9135] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 615.671445][ T9135] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 615.671460][ T9135] R13: 00005555887de980 R14: 0000000000000064 R15: 0000000000000005
[ 615.671493][ T9135]
executing program
[ 616.083534][ T9135] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
executing program
[ 616.491248][ T9967] loop2: detected capacity change from 0 to 32768
[ 616.545780][ T9967] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 616.545803][ T9967] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 616.617840][ T9967] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 616.634331][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 616.634351][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 616.735973][ T9969] loop1: detected capacity change from 0 to 32768
[ 616.764290][ T9969] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 616.764317][ T9969] CPU: 0 UID: 0 PID: 9969 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 616.764343][ T9969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 616.764357][ T9969] Call Trace:
[ 616.764366][ T9969]
[ 616.764376][ T9969] dump_stack_lvl+0xe8/0x150
[ 616.764415][ T9969] sysfs_create_dir_ns+0x271/0x2a0
[ 616.764446][ T9969] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 616.764484][ T9969] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 616.764516][ T9969] ? rt_spin_unlock+0x160/0x200
[ 616.764553][ T9969] kobject_add_internal+0x631/0xd10
[ 616.764595][ T9969] kobject_init_and_add+0x12b/0x1a0
[ 616.764644][ T9969] ? __pfx_kobject_init_and_add+0x10/0x10
[ 616.764681][ T9969] ? __raw_spin_lock_init+0x45/0x100
[ 616.764718][ T9969] ? __init_swait_queue_head+0xa9/0x150
[ 616.764756][ T9969] gfs2_sys_fs_add+0x257/0x480
[ 616.764787][ T9969] ? is_dynamic_key+0x1ac/0x1c0
[ 616.764812][ T9969] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 616.764851][ T9969] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 616.764891][ T9969] gfs2_fill_super+0x141c/0x2220
[ 616.764931][ T9969] ? __pfx_gfs2_fill_super+0x10/0x10
[ 616.764955][ T9969] ? rt_spin_unlock+0x14f/0x200
[ 616.764995][ T9969] ? sb_set_blocksize+0x11b/0x210
[ 616.765022][ T9969] ? setup_bdev_super+0x4c1/0x5b0
[ 616.765061][ T9969] get_tree_bdev_flags+0x431/0x4f0
[ 616.765099][ T9969] ? __pfx_gfs2_fill_super+0x10/0x10
[ 616.765125][ T9969] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 616.765160][ T9969] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 616.765208][ T9969] gfs2_get_tree+0x51/0x1e0
[ 616.765238][ T9969] vfs_get_tree+0x92/0x2a0
[ 616.765276][ T9969] do_new_mount+0x341/0xd30
[ 616.765304][ T9969] ? apparmor_capable+0x126/0x170
[ 616.765338][ T9969] ? __pfx_do_new_mount+0x10/0x10
[ 616.765366][ T9969] ? ns_capable+0x89/0xe0
[ 616.765405][ T9969] ? user_path_at+0xd4/0x160
[ 616.765442][ T9969] ? user_path_at+0xd4/0x160
[ 616.765477][ T9969] __se_sys_mount+0x31d/0x420
[ 616.765511][ T9969] ? __pfx___se_sys_mount+0x10/0x10
[ 616.765548][ T9969] ? __x64_sys_mount+0x20/0xc0
[ 616.765576][ T9969] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.765611][ T9969] do_syscall_64+0x15f/0xf80
[ 616.765639][ T9969] ? trace_irq_disable+0x3b/0x140
[ 616.765676][ T9969] ? clear_bhb_loop+0x40/0x90
[ 616.765706][ T9969] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.765729][ T9969] RIP: 0033:0x7fa65595546a
[ 616.765752][ T9969] 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
[ 616.765772][ T9969] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 616.765798][ T9969] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 616.765816][ T9969] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 616.765832][ T9969] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 616.765848][ T9969] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 616.765864][ T9969] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 616.765899][ T9969]
[ 616.765949][ T9969] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 616.765969][ T9969] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 617.171479][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 537ms
[ 617.174214][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
[ 617.174316][ T9967] gfs2: fsid=syz:syz.0: first mount done, others may mount
executing program
[ 617.392232][ T9967] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 617.590220][ T9769] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
executing program
[ 617.779212][ T9979] loop3: detected capacity change from 0 to 32768
[ 617.814903][ T9979] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 617.814929][ T9979] CPU: 1 UID: 0 PID: 9979 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 617.814957][ T9979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 617.814974][ T9979] Call Trace:
[ 617.814982][ T9979]
[ 617.814992][ T9979] dump_stack_lvl+0xe8/0x150
[ 617.815034][ T9979] sysfs_create_dir_ns+0x271/0x2a0
[ 617.815064][ T9979] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 617.815102][ T9979] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 617.815134][ T9979] ? rt_spin_unlock+0x160/0x200
[ 617.815170][ T9979] kobject_add_internal+0x631/0xd10
[ 617.815215][ T9979] kobject_init_and_add+0x12b/0x1a0
[ 617.815253][ T9979] ? __pfx_kobject_init_and_add+0x10/0x10
[ 617.815298][ T9979] ? __raw_spin_lock_init+0x45/0x100
[ 617.815334][ T9979] ? __init_swait_queue_head+0xa9/0x150
[ 617.815373][ T9979] gfs2_sys_fs_add+0x257/0x480
[ 617.815405][ T9979] ? is_dynamic_key+0x1ac/0x1c0
[ 617.815429][ T9979] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 617.815468][ T9979] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 617.815521][ T9979] gfs2_fill_super+0x141c/0x2220
[ 617.815566][ T9979] ? __pfx_gfs2_fill_super+0x10/0x10
[ 617.815589][ T9979] ? rt_spin_unlock+0x14f/0x200
[ 617.815630][ T9979] ? sb_set_blocksize+0x11b/0x210
[ 617.815657][ T9979] ? setup_bdev_super+0x4c1/0x5b0
[ 617.815696][ T9979] get_tree_bdev_flags+0x431/0x4f0
[ 617.815774][ T9979] ? __pfx_gfs2_fill_super+0x10/0x10
[ 617.815800][ T9979] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 617.815834][ T9979] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 617.815882][ T9979] gfs2_get_tree+0x51/0x1e0
[ 617.815911][ T9979] vfs_get_tree+0x92/0x2a0
[ 617.815951][ T9979] do_new_mount+0x341/0xd30
[ 617.815976][ T9979] ? apparmor_capable+0x126/0x170
[ 617.816015][ T9979] ? __pfx_do_new_mount+0x10/0x10
[ 617.816043][ T9979] ? ns_capable+0x89/0xe0
[ 617.816081][ T9979] ? user_path_at+0xd4/0x160
[ 617.816118][ T9979] ? user_path_at+0xd4/0x160
[ 617.816152][ T9979] __se_sys_mount+0x31d/0x420
[ 617.816189][ T9979] ? __pfx___se_sys_mount+0x10/0x10
[ 617.816226][ T9979] ? __x64_sys_mount+0x20/0xc0
[ 617.816254][ T9979] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.816288][ T9979] do_syscall_64+0x15f/0xf80
[ 617.816315][ T9979] ? trace_irq_disable+0x3b/0x140
[ 617.816351][ T9979] ? clear_bhb_loop+0x40/0x90
[ 617.816380][ T9979] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.816403][ T9979] RIP: 0033:0x7fa65595546a
[ 617.816425][ T9979] 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
[ 617.816445][ T9979] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 617.816469][ T9979] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 617.816488][ T9979] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 617.816506][ T9979] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 617.816521][ T9979] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 617.816538][ T9979] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 617.816573][ T9979]
[ 617.816625][ T9979] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 617.816644][ T9979] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 618.466376][ T9635] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[ 618.470737][ T9982] loop4: detected capacity change from 0 to 32768
[ 618.549356][ T9982] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 618.549375][ T9982] CPU: 1 UID: 0 PID: 9982 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 618.549395][ T9982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 618.549405][ T9982] Call Trace:
[ 618.549411][ T9982]
[ 618.549418][ T9982] dump_stack_lvl+0xe8/0x150
[ 618.549445][ T9982] sysfs_create_dir_ns+0x271/0x2a0
[ 618.549467][ T9982] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 618.549495][ T9982] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 618.549522][ T9982] ? rt_spin_unlock+0x160/0x200
[ 618.549549][ T9982] kobject_add_internal+0x631/0xd10
[ 618.549584][ T9982] kobject_init_and_add+0x12b/0x1a0
[ 618.549613][ T9982] ? __pfx_kobject_init_and_add+0x10/0x10
[ 618.549638][ T9982] ? __raw_spin_lock_init+0x45/0x100
[ 618.549665][ T9982] ? __init_swait_queue_head+0xa9/0x150
[ 618.549694][ T9982] gfs2_sys_fs_add+0x257/0x480
[ 618.549717][ T9982] ? is_dynamic_key+0x1ac/0x1c0
[ 618.549735][ T9982] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 618.549764][ T9982] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 618.549793][ T9982] gfs2_fill_super+0x141c/0x2220
[ 618.549822][ T9982] ? __pfx_gfs2_fill_super+0x10/0x10
[ 618.549839][ T9982] ? rt_spin_unlock+0x14f/0x200
[ 618.549867][ T9982] ? sb_set_blocksize+0x11b/0x210
[ 618.549886][ T9982] ? setup_bdev_super+0x4c1/0x5b0
[ 618.549914][ T9982] get_tree_bdev_flags+0x431/0x4f0
[ 618.549940][ T9982] ? __pfx_gfs2_fill_super+0x10/0x10
[ 618.549958][ T9982] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 618.549982][ T9982] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 618.550015][ T9982] gfs2_get_tree+0x51/0x1e0
[ 618.550035][ T9982] vfs_get_tree+0x92/0x2a0
[ 618.550062][ T9982] do_new_mount+0x341/0xd30
[ 618.550080][ T9982] ? apparmor_capable+0x126/0x170
[ 618.550104][ T9982] ? __pfx_do_new_mount+0x10/0x10
[ 618.550124][ T9982] ? ns_capable+0x89/0xe0
executing program
[ 618.550150][ T9982] ? user_path_at+0xd4/0x160
[ 618.550179][ T9982] ? user_path_at+0xd4/0x160
[ 618.550203][ T9982] __se_sys_mount+0x31d/0x420
[ 618.550228][ T9982] ? __pfx___se_sys_mount+0x10/0x10
[ 618.550253][ T9982] ? __x64_sys_mount+0x20/0xc0
[ 618.550280][ T9982] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 618.550298][ T9982] do_syscall_64+0x15f/0xf80
[ 618.550317][ T9982] ? trace_irq_disable+0x3b/0x140
[ 618.550343][ T9982] ? clear_bhb_loop+0x40/0x90
[ 618.550362][ T9982] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 618.550379][ T9982] RIP: 0033:0x7fa65595546a
[ 618.550394][ T9982] 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
[ 618.550408][ T9982] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 618.550425][ T9982] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 618.550438][ T9982] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 618.550450][ T9982] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 618.550461][ T9982] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 618.550472][ T9982] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 618.550496][ T9982]
[ 618.550532][ 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.
[ 618.550544][ T9982] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 619.119198][ T9769] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 619.325311][ T9985] loop0: detected capacity change from 0 to 32768
[ 619.392667][ T9985] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 619.392693][ T9985] CPU: 0 UID: 0 PID: 9985 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 619.392720][ T9985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 619.392734][ T9985] Call Trace:
[ 619.392743][ T9985]
[ 619.392754][ T9985] dump_stack_lvl+0xe8/0x150
[ 619.392789][ T9985] sysfs_create_dir_ns+0x271/0x2a0
[ 619.392821][ T9985] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 619.392861][ T9985] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 619.392896][ T9985] ? rt_spin_unlock+0x160/0x200
[ 619.392935][ T9985] kobject_add_internal+0x631/0xd10
[ 619.392979][ T9985] kobject_init_and_add+0x12b/0x1a0
[ 619.393026][ T9985] ? __pfx_kobject_init_and_add+0x10/0x10
[ 619.393063][ T9985] ? __raw_spin_lock_init+0x45/0x100
[ 619.393102][ T9985] ? __init_swait_queue_head+0xa9/0x150
[ 619.393142][ T9985] gfs2_sys_fs_add+0x257/0x480
[ 619.393175][ T9985] ? is_dynamic_key+0x1ac/0x1c0
[ 619.393209][ T9985] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 619.393252][ T9985] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 619.393294][ T9985] gfs2_fill_super+0x141c/0x2220
[ 619.393338][ T9985] ? __pfx_gfs2_fill_super+0x10/0x10
[ 619.393361][ T9985] ? rt_spin_unlock+0x14f/0x200
[ 619.393402][ T9985] ? sb_set_blocksize+0x11b/0x210
[ 619.393430][ T9985] ? setup_bdev_super+0x4c1/0x5b0
[ 619.393472][ T9985] get_tree_bdev_flags+0x431/0x4f0
[ 619.393509][ T9985] ? __pfx_gfs2_fill_super+0x10/0x10
[ 619.393536][ T9985] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 619.393571][ T9985] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 619.393619][ T9985] gfs2_get_tree+0x51/0x1e0
[ 619.393648][ T9985] vfs_get_tree+0x92/0x2a0
[ 619.393687][ T9985] do_new_mount+0x341/0xd30
[ 619.393713][ T9985] ? apparmor_capable+0x126/0x170
[ 619.393747][ T9985] ? __pfx_do_new_mount+0x10/0x10
[ 619.393775][ T9985] ? ns_capable+0x89/0xe0
[ 619.393813][ T9985] ? user_path_at+0xd4/0x160
[ 619.393851][ T9985] ? user_path_at+0xd4/0x160
[ 619.393884][ T9985] __se_sys_mount+0x31d/0x420
[ 619.393919][ T9985] ? __pfx___se_sys_mount+0x10/0x10
[ 619.393955][ T9985] ? __x64_sys_mount+0x20/0xc0
[ 619.393983][ T9985] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.394009][ T9985] do_syscall_64+0x15f/0xf80
[ 619.394036][ T9985] ? trace_irq_disable+0x3b/0x140
[ 619.394072][ T9985] ? clear_bhb_loop+0x40/0x90
[ 619.394100][ T9985] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.394123][ T9985] RIP: 0033:0x7fa65595546a
[ 619.394146][ T9985] 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
[ 619.394166][ T9985] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 619.394198][ T9985] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 619.394215][ T9985] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 619.394232][ T9985] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 619.394248][ T9985] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 619.394263][ T9985] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 619.394298][ T9985]
[ 619.394346][ T9985] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 619.394363][ T9985] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 619.830854][ T9663] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 621.107127][ T9133] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 621.107171][ T9133] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 621.107206][ T9133] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9133 [syz-executor163] gfs2_quota_sync+0x370/0x470
[ 621.107256][ T9133] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 621.107288][ T9133] CPU: 1 UID: 0 PID: 9133 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 621.107314][ T9133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 621.107329][ T9133] Call Trace:
[ 621.107338][ T9133]
[ 621.107350][ T9133] dump_stack_lvl+0xe8/0x150
[ 621.107382][ T9133] gfs2_withdraw+0xc3/0x1b0
[ 621.107413][ T9133] inode_go_instantiate+0xe69/0x12a0
[ 621.107438][ T9133] ? __pfx_inode_go_instantiate+0x10/0x10
[ 621.107454][ T9133] ? rt_spin_unlock+0x160/0x200
[ 621.107489][ T9133] gfs2_instantiate+0x168/0x220
[ 621.107510][ T9133] gfs2_glock_wait+0x1d7/0x2a0
[ 621.107531][ T9133] do_sync+0x49a/0xcb0
[ 621.107555][ T9133] ? gfs2_quota_sync+0x370/0x470
[ 621.107585][ T9133] ? __pfx_do_sync+0x10/0x10
[ 621.107606][ T9133] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 621.107639][ T9133] ? gfs2_quota_sync+0x370/0x470
[ 621.107661][ T9133] ? rt_spin_unlock+0x14f/0x200
[ 621.107689][ T9133] ? rt_spin_unlock+0x160/0x200
[ 621.107717][ T9133] gfs2_quota_sync+0x370/0x470
[ 621.107748][ T9133] gfs2_sync_fs+0x4c/0xb0
[ 621.107771][ T9133] sync_filesystem+0xed/0x250
[ 621.107797][ T9133] generic_shutdown_super+0x77/0x2d0
[ 621.107823][ T9133] kill_block_super+0x44/0x90
[ 621.107849][ T9133] deactivate_locked_super+0xbc/0x130
[ 621.107873][ T9133] cleanup_mnt+0x437/0x4d0
[ 621.107897][ T9133] ? _raw_spin_unlock_irq+0x23/0x50
[ 621.107919][ T9133] task_work_run+0x1d9/0x270
[ 621.107942][ T9133] ? __pfx_task_work_run+0x10/0x10
[ 621.107969][ T9133] exit_to_user_mode_loop+0xf3/0x4d0
[ 621.107986][ T9133] ? rcu_is_watching+0x15/0xb0
[ 621.108007][ T9133] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.108024][ T9133] do_syscall_64+0x33e/0xf80
[ 621.108044][ T9133] ? trace_irq_disable+0x3b/0x140
[ 621.108070][ T9133] ? clear_bhb_loop+0x40/0x90
[ 621.108090][ T9133] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.108113][ T9133] RIP: 0033:0x7fa655955437
executing program
[ 621.108128][ T9133] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 621.108142][ T9133] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 621.108159][ T9133] RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007fa655955437
[ 621.108170][ T9133] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 621.108180][ T9133] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 621.108192][ T9133] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 621.108202][ T9133] R13: 00005555887de980 R14: 0000000000000064 R15: 0000000000000009
[ 621.108227][ T9133]
[ 621.108233][ T9133] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 621.782253][ T9988] loop1: detected capacity change from 0 to 32768
[ 621.790990][ T9988] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 621.791022][ T9988] CPU: 0 UID: 0 PID: 9988 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 621.791048][ T9988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 621.791063][ T9988] Call Trace:
[ 621.791072][ T9988]
[ 621.791081][ T9988] dump_stack_lvl+0xe8/0x150
[ 621.791117][ T9988] sysfs_create_dir_ns+0x271/0x2a0
[ 621.791147][ T9988] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 621.791185][ T9988] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 621.791221][ T9988] ? rt_spin_unlock+0x160/0x200
[ 621.791259][ T9988] kobject_add_internal+0x631/0xd10
[ 621.791303][ T9988] kobject_init_and_add+0x12b/0x1a0
[ 621.791344][ T9988] ? __pfx_kobject_init_and_add+0x10/0x10
[ 621.791382][ T9988] ? __raw_spin_lock_init+0x45/0x100
[ 621.791421][ T9988] ? __init_swait_queue_head+0xa9/0x150
[ 621.791460][ T9988] gfs2_sys_fs_add+0x257/0x480
[ 621.791493][ T9988] ? is_dynamic_key+0x1ac/0x1c0
[ 621.791518][ T9988] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 621.791561][ T9988] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 621.791604][ T9988] gfs2_fill_super+0x141c/0x2220
[ 621.791644][ T9988] ? __pfx_gfs2_fill_super+0x10/0x10
[ 621.791668][ T9988] ? rt_spin_unlock+0x14f/0x200
[ 621.791707][ T9988] ? sb_set_blocksize+0x11b/0x210
[ 621.791734][ T9988] ? setup_bdev_super+0x4c1/0x5b0
[ 621.791775][ T9988] get_tree_bdev_flags+0x431/0x4f0
[ 621.791810][ T9988] ? __pfx_gfs2_fill_super+0x10/0x10
[ 621.791834][ T9988] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 621.791869][ T9988] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 621.791914][ T9988] gfs2_get_tree+0x51/0x1e0
[ 621.791943][ T9988] vfs_get_tree+0x92/0x2a0
[ 621.791981][ T9988] do_new_mount+0x341/0xd30
[ 621.792015][ T9988] ? apparmor_capable+0x126/0x170
[ 621.792050][ T9988] ? __pfx_do_new_mount+0x10/0x10
[ 621.792078][ T9988] ? ns_capable+0x89/0xe0
[ 621.792117][ T9988] ? user_path_at+0xd4/0x160
[ 621.792153][ T9988] ? user_path_at+0xd4/0x160
[ 621.792187][ T9988] __se_sys_mount+0x31d/0x420
[ 621.792222][ T9988] ? __pfx___se_sys_mount+0x10/0x10
[ 621.792257][ T9988] ? __x64_sys_mount+0x20/0xc0
[ 621.792286][ T9988] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.792313][ T9988] do_syscall_64+0x15f/0xf80
[ 621.792342][ T9988] ? trace_irq_disable+0x3b/0x140
[ 621.792377][ T9988] ? clear_bhb_loop+0x40/0x90
[ 621.792406][ T9988] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.792431][ T9988] RIP: 0033:0x7fa65595546a
[ 621.792452][ T9988] 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
[ 621.792473][ T9988] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 621.792498][ T9988] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 621.792516][ T9988] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 621.792532][ T9988] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 621.792548][ T9988] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 621.792563][ T9988] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 621.792598][ T9988]
[ 621.792628][ T9988] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 621.792645][ T9988] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 622.269803][ T9769] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[ 622.656385][ T9991] loop3: detected capacity change from 0 to 32768
[ 622.681403][ T9991] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 622.681428][ T9991] CPU: 0 UID: 0 PID: 9991 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 622.681457][ T9991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 622.681473][ T9991] Call Trace:
[ 622.681482][ T9991]
[ 622.681491][ T9991] dump_stack_lvl+0xe8/0x150
[ 622.681528][ T9991] sysfs_create_dir_ns+0x271/0x2a0
[ 622.681558][ T9991] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 622.681596][ T9991] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 622.681631][ T9991] ? rt_spin_unlock+0x160/0x200
[ 622.681669][ T9991] kobject_add_internal+0x631/0xd10
[ 622.681713][ T9991] kobject_init_and_add+0x12b/0x1a0
[ 622.681754][ T9991] ? __pfx_kobject_init_and_add+0x10/0x10
[ 622.681791][ T9991] ? __raw_spin_lock_init+0x45/0x100
[ 622.681828][ T9991] ? __init_swait_queue_head+0xa9/0x150
[ 622.681868][ T9991] gfs2_sys_fs_add+0x257/0x480
[ 622.681900][ T9991] ? is_dynamic_key+0x1ac/0x1c0
[ 622.681926][ T9991] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 622.681969][ T9991] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 622.682011][ T9991] gfs2_fill_super+0x141c/0x2220
[ 622.682056][ T9991] ? __pfx_gfs2_fill_super+0x10/0x10
[ 622.682080][ T9991] ? rt_spin_unlock+0x14f/0x200
[ 622.682120][ T9991] ? sb_set_blocksize+0x11b/0x210
[ 622.682155][ T9991] ? setup_bdev_super+0x4c1/0x5b0
[ 622.682194][ T9991] get_tree_bdev_flags+0x431/0x4f0
[ 622.682230][ T9991] ? __pfx_gfs2_fill_super+0x10/0x10
[ 622.682256][ T9991] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 622.682291][ T9991] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 622.682337][ T9991] gfs2_get_tree+0x51/0x1e0
[ 622.682367][ T9991] vfs_get_tree+0x92/0x2a0
[ 622.682406][ T9991] do_new_mount+0x341/0xd30
[ 622.682432][ T9991] ? apparmor_capable+0x126/0x170
[ 622.682466][ T9991] ? __pfx_do_new_mount+0x10/0x10
[ 622.682495][ T9991] ? ns_capable+0x89/0xe0
[ 622.682532][ T9991] ? user_path_at+0xd4/0x160
[ 622.682569][ T9991] ? user_path_at+0xd4/0x160
[ 622.682605][ T9991] __se_sys_mount+0x31d/0x420
[ 622.682640][ T9991] ? __pfx___se_sys_mount+0x10/0x10
[ 622.682678][ T9991] ? __x64_sys_mount+0x20/0xc0
[ 622.682706][ T9991] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 622.682732][ T9991] do_syscall_64+0x15f/0xf80
[ 622.682760][ T9991] ? trace_irq_disable+0x3b/0x140
[ 622.682796][ T9991] ? clear_bhb_loop+0x40/0x90
[ 622.682825][ T9991] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 622.682849][ T9991] RIP: 0033:0x7fa65595546a
[ 622.682873][ 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
[ 622.682893][ T9991] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
executing program
[ 622.682917][ T9991] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 622.682934][ T9991] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 622.682951][ T9991] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 622.682968][ T9991] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 622.682984][ T9991] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 622.683020][ T9991]
[ 622.683050][ 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.
[ 622.683068][ T9991] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 623.240860][ T9635] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[ 623.544788][ T9994] loop4: detected capacity change from 0 to 32768
[ 623.565849][ T9994] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 623.565875][ T9994] CPU: 1 UID: 0 PID: 9994 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 623.565901][ T9994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 623.565915][ T9994] Call Trace:
[ 623.565924][ T9994]
[ 623.565934][ T9994] dump_stack_lvl+0xe8/0x150
[ 623.565974][ T9994] sysfs_create_dir_ns+0x271/0x2a0
[ 623.566006][ T9994] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 623.566045][ T9994] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 623.566078][ T9994] ? rt_spin_unlock+0x160/0x200
[ 623.566114][ T9994] kobject_add_internal+0x631/0xd10
[ 623.566157][ T9994] kobject_init_and_add+0x12b/0x1a0
[ 623.566197][ T9994] ? __pfx_kobject_init_and_add+0x10/0x10
[ 623.566234][ T9994] ? __raw_spin_lock_init+0x45/0x100
[ 623.566273][ T9994] ? __init_swait_queue_head+0xa9/0x150
[ 623.566313][ T9994] gfs2_sys_fs_add+0x257/0x480
[ 623.566343][ T9994] ? is_dynamic_key+0x1ac/0x1c0
[ 623.566370][ T9994] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 623.566411][ T9994] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 623.566453][ T9994] gfs2_fill_super+0x141c/0x2220
[ 623.566494][ T9994] ? __pfx_gfs2_fill_super+0x10/0x10
[ 623.566516][ T9994] ? rt_spin_unlock+0x14f/0x200
[ 623.566553][ T9994] ? sb_set_blocksize+0x11b/0x210
[ 623.566579][ T9994] ? setup_bdev_super+0x4c1/0x5b0
[ 623.566618][ T9994] get_tree_bdev_flags+0x431/0x4f0
[ 623.566655][ T9994] ? __pfx_gfs2_fill_super+0x10/0x10
[ 623.566679][ T9994] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 623.566710][ T9994] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 623.566756][ T9994] gfs2_get_tree+0x51/0x1e0
[ 623.566785][ T9994] vfs_get_tree+0x92/0x2a0
[ 623.566832][ T9994] do_new_mount+0x341/0xd30
[ 623.566857][ T9994] ? apparmor_capable+0x126/0x170
[ 623.566891][ T9994] ? __pfx_do_new_mount+0x10/0x10
[ 623.566919][ T9994] ? ns_capable+0x89/0xe0
[ 623.566958][ T9994] ? user_path_at+0xd4/0x160
[ 623.566994][ T9994] ? user_path_at+0xd4/0x160
[ 623.567027][ T9994] __se_sys_mount+0x31d/0x420
[ 623.567068][ T9994] ? __pfx___se_sys_mount+0x10/0x10
[ 623.567106][ T9994] ? __x64_sys_mount+0x20/0xc0
[ 623.567135][ T9994] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.567162][ T9994] do_syscall_64+0x15f/0xf80
[ 623.567189][ T9994] ? trace_irq_disable+0x3b/0x140
[ 623.567224][ T9994] ? clear_bhb_loop+0x40/0x90
[ 623.567254][ T9994] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.567278][ T9994] RIP: 0033:0x7fa65595546a
[ 623.567301][ T9994] 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
[ 623.567322][ T9994] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 623.567347][ T9994] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 623.567365][ T9994] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 623.567383][ T9994] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 623.567397][ T9994] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 623.567412][ T9994] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
executing program
[ 623.567448][ T9994]
[ 623.567535][ T9994] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 623.567554][ T9994] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 624.062711][ T9769] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 624.352892][ T9997] loop0: detected capacity change from 0 to 32768
[ 624.402233][ T9997] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 624.402259][ T9997] CPU: 1 UID: 0 PID: 9997 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 624.402286][ T9997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 624.402300][ T9997] Call Trace:
[ 624.402309][ T9997]
[ 624.402319][ T9997] dump_stack_lvl+0xe8/0x150
[ 624.402356][ T9997] sysfs_create_dir_ns+0x271/0x2a0
[ 624.402386][ T9997] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 624.402424][ T9997] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 624.402459][ T9997] ? rt_spin_unlock+0x160/0x200
[ 624.402497][ T9997] kobject_add_internal+0x631/0xd10
[ 624.402542][ T9997] kobject_init_and_add+0x12b/0x1a0
[ 624.402583][ T9997] ? __pfx_kobject_init_and_add+0x10/0x10
[ 624.402618][ T9997] ? __raw_spin_lock_init+0x45/0x100
[ 624.402657][ T9997] ? __init_swait_queue_head+0xa9/0x150
[ 624.402697][ T9997] gfs2_sys_fs_add+0x257/0x480
[ 624.402728][ T9997] ? is_dynamic_key+0x1ac/0x1c0
[ 624.402754][ T9997] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 624.402796][ T9997] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 624.402839][ T9997] gfs2_fill_super+0x141c/0x2220
[ 624.402882][ T9997] ? __pfx_gfs2_fill_super+0x10/0x10
[ 624.402905][ T9997] ? rt_spin_unlock+0x14f/0x200
[ 624.402944][ T9997] ? sb_set_blocksize+0x11b/0x210
[ 624.402971][ T9997] ? setup_bdev_super+0x4c1/0x5b0
[ 624.403009][ T9997] get_tree_bdev_flags+0x431/0x4f0
[ 624.403055][ T9997] ? __pfx_gfs2_fill_super+0x10/0x10
[ 624.403081][ T9997] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 624.403114][ T9997] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 624.403162][ T9997] gfs2_get_tree+0x51/0x1e0
[ 624.403191][ T9997] vfs_get_tree+0x92/0x2a0
[ 624.403229][ T9997] do_new_mount+0x341/0xd30
[ 624.403256][ T9997] ? apparmor_capable+0x126/0x170
[ 624.403290][ T9997] ? __pfx_do_new_mount+0x10/0x10
[ 624.403318][ T9997] ? ns_capable+0x89/0xe0
[ 624.403355][ T9997] ? user_path_at+0xd4/0x160
[ 624.403392][ T9997] ? user_path_at+0xd4/0x160
[ 624.403426][ T9997] __se_sys_mount+0x31d/0x420
[ 624.403462][ T9997] ? __pfx___se_sys_mount+0x10/0x10
[ 624.403499][ T9997] ? __x64_sys_mount+0x20/0xc0
[ 624.403527][ T9997] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.403554][ T9997] do_syscall_64+0x15f/0xf80
[ 624.403582][ T9997] ? trace_irq_disable+0x3b/0x140
[ 624.403617][ T9997] ? clear_bhb_loop+0x40/0x90
[ 624.403646][ T9997] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.403669][ T9997] RIP: 0033:0x7fa65595546a
[ 624.403692][ T9997] 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
[ 624.403713][ T9997] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 624.403738][ T9997] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 624.403757][ T9997] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 624.403774][ T9997] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 624.403791][ T9997] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 624.403807][ T9997] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 624.403842][ T9997]
[ 624.403871][ T9997] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 624.403890][ T9997] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 624.654714][ T1334] ieee802154 phy0 wpan0: encryption failed: -22
[ 624.654827][ T1334] ieee802154 phy1 wpan1: encryption failed: -22
[ 624.843990][ T9635] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 626.147158][ T9133] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 566
[ 626.147188][ T9133] CPU: 1 UID: 0 PID: 9133 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 626.147208][ T9133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 626.147218][ T9133] Call Trace:
[ 626.147227][ T9133]
[ 626.147235][ T9133] dump_stack_lvl+0xe8/0x150
[ 626.147261][ T9133] gfs2_assert_warn_i+0x194/0x2c0
[ 626.147285][ T9133] gfs2_make_fs_ro+0x30d/0x320
[ 626.147308][ T9133] ? __pfx_gfs2_make_fs_ro+0x10/0x10
[ 626.147332][ T9133] ? __pfx_autoremove_wake_function+0x10/0x10
[ 626.147366][ T9133] ? flush_work+0xd/0x30
[ 626.147384][ T9133] gfs2_put_super+0x235/0x870
[ 626.147410][ T9133] ? __pfx_gfs2_put_super+0x10/0x10
[ 626.147431][ T9133] generic_shutdown_super+0x13d/0x2d0
[ 626.147457][ T9133] kill_block_super+0x44/0x90
[ 626.147482][ T9133] deactivate_locked_super+0xbc/0x130
[ 626.147506][ T9133] cleanup_mnt+0x437/0x4d0
[ 626.147531][ T9133] ? _raw_spin_unlock_irq+0x23/0x50
[ 626.147557][ T9133] task_work_run+0x1d9/0x270
[ 626.147583][ T9133] ? __pfx_task_work_run+0x10/0x10
[ 626.147616][ T9133] exit_to_user_mode_loop+0xf3/0x4d0
[ 626.147633][ T9133] ? rcu_is_watching+0x15/0xb0
[ 626.147664][ T9133] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 626.147682][ T9133] do_syscall_64+0x33e/0xf80
[ 626.147702][ T9133] ? trace_irq_disable+0x3b/0x140
[ 626.147729][ T9133] ? clear_bhb_loop+0x40/0x90
executing program
[ 626.147750][ T9133] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 626.147767][ T9133] RIP: 0033:0x7fa655955437
[ 626.147783][ T9133] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 626.147816][ T9133] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 626.147833][ T9133] RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007fa655955437
[ 626.147844][ T9133] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 626.147855][ T9133] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 626.147867][ T9133] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 626.147877][ T9133] R13: 00005555887de980 R14: 0000000000000064 R15: 0000000000000009
[ 626.147901][ T9133]
[ 626.746638][T10000] loop1: detected capacity change from 0 to 32768
[ 626.779750][T10000] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 626.779771][T10000] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 626.849410][T10000] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 626.858773][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 626.858795][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 626.886278][ T9133] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[ 626.991937][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 133ms
[ 626.992175][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
[ 626.992284][T10000] gfs2: fsid=syz:syz.0: first mount done, others may mount
executing program
[ 627.142241][T10000] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 627.518066][T10005] loop2: detected capacity change from 0 to 32768
[ 627.553987][T10005] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 627.554015][T10005] CPU: 1 UID: 0 PID: 10005 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 627.554043][T10005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 627.554058][T10005] Call Trace:
[ 627.554068][T10005]
[ 627.554078][T10005] dump_stack_lvl+0xe8/0x150
[ 627.554114][T10005] sysfs_create_dir_ns+0x271/0x2a0
[ 627.554147][T10005] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 627.554186][T10005] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 627.554221][T10005] ? rt_spin_unlock+0x160/0x200
[ 627.554259][T10005] kobject_add_internal+0x631/0xd10
[ 627.554303][T10005] kobject_init_and_add+0x12b/0x1a0
[ 627.554344][T10005] ? __pfx_kobject_init_and_add+0x10/0x10
[ 627.554379][T10005] ? __raw_spin_lock_init+0x45/0x100
[ 627.554421][T10005] ? __init_swait_queue_head+0xa9/0x150
[ 627.554459][T10005] gfs2_sys_fs_add+0x257/0x480
[ 627.554490][T10005] ? is_dynamic_key+0x1ac/0x1c0
[ 627.554514][T10005] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 627.554552][T10005] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 627.554593][T10005] gfs2_fill_super+0x141c/0x2220
[ 627.554635][T10005] ? __pfx_gfs2_fill_super+0x10/0x10
[ 627.554658][T10005] ? rt_spin_unlock+0x14f/0x200
[ 627.554695][T10005] ? sb_set_blocksize+0x11b/0x210
[ 627.554730][T10005] ? setup_bdev_super+0x4c1/0x5b0
[ 627.554769][T10005] get_tree_bdev_flags+0x431/0x4f0
[ 627.554804][T10005] ? __pfx_gfs2_fill_super+0x10/0x10
[ 627.554829][T10005] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 627.554860][T10005] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 627.554904][T10005] gfs2_get_tree+0x51/0x1e0
[ 627.554932][T10005] vfs_get_tree+0x92/0x2a0
[ 627.554968][T10005] do_new_mount+0x341/0xd30
[ 627.554993][T10005] ? apparmor_capable+0x126/0x170
[ 627.555026][T10005] ? __pfx_do_new_mount+0x10/0x10
[ 627.555054][T10005] ? ns_capable+0x89/0xe0
[ 627.555091][T10005] ? user_path_at+0xd4/0x160
[ 627.555127][T10005] ? user_path_at+0xd4/0x160
[ 627.555161][T10005] __se_sys_mount+0x31d/0x420
executing program
[ 627.555196][T10005] ? __pfx___se_sys_mount+0x10/0x10
[ 627.555231][T10005] ? __x64_sys_mount+0x20/0xc0
[ 627.555257][T10005] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.555283][T10005] do_syscall_64+0x15f/0xf80
[ 627.555310][T10005] ? trace_irq_disable+0x3b/0x140
[ 627.555344][T10005] ? clear_bhb_loop+0x40/0x90
[ 627.555373][T10005] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.555397][T10005] RIP: 0033:0x7fa65595546a
[ 627.555418][T10005] 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
[ 627.555438][T10005] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 627.555464][T10005] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 627.555483][T10005] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 627.555501][T10005] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 627.555517][T10005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 627.555532][T10005] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 627.555567][T10005]
[ 627.555617][T10005] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 627.555635][T10005] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 627.992873][ T9769] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[ 628.265306][T10008] loop3: detected capacity change from 0 to 32768
[ 628.299216][T10008] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 628.299242][T10008] CPU: 0 UID: 0 PID: 10008 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 628.299270][T10008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 628.299286][T10008] Call Trace:
[ 628.299294][T10008]
[ 628.299305][T10008] dump_stack_lvl+0xe8/0x150
[ 628.299340][T10008] sysfs_create_dir_ns+0x271/0x2a0
[ 628.299372][T10008] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 628.299409][T10008] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 628.299443][T10008] ? rt_spin_unlock+0x160/0x200
[ 628.299480][T10008] kobject_add_internal+0x631/0xd10
[ 628.299522][T10008] kobject_init_and_add+0x12b/0x1a0
[ 628.299563][T10008] ? __pfx_kobject_init_and_add+0x10/0x10
[ 628.299599][T10008] ? __raw_spin_lock_init+0x45/0x100
[ 628.299637][T10008] ? __init_swait_queue_head+0xa9/0x150
[ 628.299685][T10008] gfs2_sys_fs_add+0x257/0x480
executing program
[ 628.299717][T10008] ? is_dynamic_key+0x1ac/0x1c0
[ 628.299743][T10008] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 628.299786][T10008] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 628.299827][T10008] gfs2_fill_super+0x141c/0x2220
[ 628.299870][T10008] ? __pfx_gfs2_fill_super+0x10/0x10
[ 628.299894][T10008] ? rt_spin_unlock+0x14f/0x200
[ 628.299932][T10008] ? sb_set_blocksize+0x11b/0x210
[ 628.299964][T10008] ? setup_bdev_super+0x4c1/0x5b0
[ 628.300004][T10008] get_tree_bdev_flags+0x431/0x4f0
[ 628.300038][T10008] ? __pfx_gfs2_fill_super+0x10/0x10
[ 628.300063][T10008] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 628.300096][T10008] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 628.300142][T10008] gfs2_get_tree+0x51/0x1e0
[ 628.300172][T10008] vfs_get_tree+0x92/0x2a0
[ 628.300211][T10008] do_new_mount+0x341/0xd30
[ 628.300237][T10008] ? apparmor_capable+0x126/0x170
[ 628.300271][T10008] ? __pfx_do_new_mount+0x10/0x10
[ 628.300300][T10008] ? ns_capable+0x89/0xe0
[ 628.300339][T10008] ? user_path_at+0xd4/0x160
[ 628.300375][T10008] ? user_path_at+0xd4/0x160
[ 628.300410][T10008] __se_sys_mount+0x31d/0x420
[ 628.300446][T10008] ? __pfx___se_sys_mount+0x10/0x10
[ 628.300483][T10008] ? __x64_sys_mount+0x20/0xc0
[ 628.300512][T10008] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 628.300539][T10008] do_syscall_64+0x15f/0xf80
[ 628.300565][T10008] ? trace_irq_disable+0x3b/0x140
[ 628.300601][T10008] ? clear_bhb_loop+0x40/0x90
[ 628.300630][T10008] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 628.300654][T10008] RIP: 0033:0x7fa65595546a
[ 628.300683][T10008] 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
[ 628.300704][T10008] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 628.300729][T10008] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 628.300748][T10008] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 628.300765][T10008] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 628.300781][T10008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 628.300796][T10008] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 628.300831][T10008]
[ 628.300880][T10008] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 628.300900][T10008] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 628.791570][ T9769] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[ 629.041124][T10011] loop4: detected capacity change from 0 to 32768
[ 629.074550][T10011] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
executing program
[ 629.074575][T10011] CPU: 0 UID: 0 PID: 10011 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 629.074604][T10011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 629.074627][T10011] Call Trace:
[ 629.074636][T10011]
[ 629.074647][T10011] dump_stack_lvl+0xe8/0x150
[ 629.074684][T10011] sysfs_create_dir_ns+0x271/0x2a0
[ 629.074716][T10011] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 629.074755][T10011] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 629.074790][T10011] ? rt_spin_unlock+0x160/0x200
[ 629.074829][T10011] kobject_add_internal+0x631/0xd10
[ 629.074871][T10011] kobject_init_and_add+0x12b/0x1a0
[ 629.074912][T10011] ? __pfx_kobject_init_and_add+0x10/0x10
[ 629.074949][T10011] ? __raw_spin_lock_init+0x45/0x100
[ 629.074985][T10011] ? __init_swait_queue_head+0xa9/0x150
[ 629.075026][T10011] gfs2_sys_fs_add+0x257/0x480
[ 629.075058][T10011] ? is_dynamic_key+0x1ac/0x1c0
[ 629.075085][T10011] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 629.075127][T10011] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 629.075169][T10011] gfs2_fill_super+0x141c/0x2220
[ 629.075213][T10011] ? __pfx_gfs2_fill_super+0x10/0x10
[ 629.075238][T10011] ? rt_spin_unlock+0x14f/0x200
[ 629.075277][T10011] ? sb_set_blocksize+0x11b/0x210
[ 629.075306][T10011] ? setup_bdev_super+0x4c1/0x5b0
[ 629.075345][T10011] get_tree_bdev_flags+0x431/0x4f0
[ 629.075384][T10011] ? __pfx_gfs2_fill_super+0x10/0x10
[ 629.075409][T10011] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 629.075444][T10011] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 629.075491][T10011] gfs2_get_tree+0x51/0x1e0
[ 629.075521][T10011] vfs_get_tree+0x92/0x2a0
[ 629.075560][T10011] do_new_mount+0x341/0xd30
[ 629.075587][T10011] ? apparmor_capable+0x126/0x170
[ 629.075629][T10011] ? __pfx_do_new_mount+0x10/0x10
[ 629.075659][T10011] ? ns_capable+0x89/0xe0
[ 629.075696][T10011] ? user_path_at+0xd4/0x160
[ 629.075734][T10011] ? user_path_at+0xd4/0x160
[ 629.075769][T10011] __se_sys_mount+0x31d/0x420
[ 629.075805][T10011] ? __pfx___se_sys_mount+0x10/0x10
[ 629.075842][T10011] ? __x64_sys_mount+0x20/0xc0
[ 629.075871][T10011] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.075897][T10011] do_syscall_64+0x15f/0xf80
[ 629.075926][T10011] ? trace_irq_disable+0x3b/0x140
[ 629.075963][T10011] ? clear_bhb_loop+0x40/0x90
[ 629.075992][T10011] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.076017][T10011] RIP: 0033:0x7fa65595546a
[ 629.076039][T10011] 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
[ 629.076065][T10011] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 629.076091][T10011] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 629.076109][T10011] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 629.076126][T10011] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 629.076142][T10011] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 629.076159][T10011] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 629.076195][T10011]
[ 629.076224][T10011] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 629.076243][T10011] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 629.569694][ T9769] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 629.807546][T10014] loop0: detected capacity change from 0 to 32768
[ 629.866203][T10014] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 629.866225][T10014] CPU: 0 UID: 0 PID: 10014 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 629.866248][T10014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 629.866259][T10014] Call Trace:
[ 629.866265][T10014]
[ 629.866272][T10014] dump_stack_lvl+0xe8/0x150
[ 629.866299][T10014] sysfs_create_dir_ns+0x271/0x2a0
[ 629.866319][T10014] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 629.866345][T10014] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 629.866367][T10014] ? rt_spin_unlock+0x160/0x200
[ 629.866392][T10014] kobject_add_internal+0x631/0xd10
[ 629.866421][T10014] kobject_init_and_add+0x12b/0x1a0
[ 629.866447][T10014] ? __pfx_kobject_init_and_add+0x10/0x10
[ 629.866476][T10014] ? __raw_spin_lock_init+0x45/0x100
[ 629.866503][T10014] ? __init_swait_queue_head+0xa9/0x150
[ 629.866532][T10014] gfs2_sys_fs_add+0x257/0x480
[ 629.866555][T10014] ? is_dynamic_key+0x1ac/0x1c0
[ 629.866572][T10014] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 629.866601][T10014] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 629.866630][T10014] gfs2_fill_super+0x141c/0x2220
[ 629.866660][T10014] ? __pfx_gfs2_fill_super+0x10/0x10
[ 629.866676][T10014] ? rt_spin_unlock+0x14f/0x200
[ 629.866704][T10014] ? sb_set_blocksize+0x11b/0x210
[ 629.866723][T10014] ? setup_bdev_super+0x4c1/0x5b0
[ 629.866751][T10014] get_tree_bdev_flags+0x431/0x4f0
[ 629.866777][T10014] ? __pfx_gfs2_fill_super+0x10/0x10
[ 629.866794][T10014] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 629.866842][T10014] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 629.866887][T10014] gfs2_get_tree+0x51/0x1e0
[ 629.866914][T10014] vfs_get_tree+0x92/0x2a0
[ 629.866951][T10014] do_new_mount+0x341/0xd30
[ 629.866976][T10014] ? apparmor_capable+0x126/0x170
[ 629.867010][T10014] ? __pfx_do_new_mount+0x10/0x10
[ 629.867038][T10014] ? ns_capable+0x89/0xe0
[ 629.867065][T10014] ? user_path_at+0xd4/0x160
[ 629.867090][T10014] ? user_path_at+0xd4/0x160
[ 629.867114][T10014] __se_sys_mount+0x31d/0x420
[ 629.867139][T10014] ? __pfx___se_sys_mount+0x10/0x10
[ 629.867164][T10014] ? __x64_sys_mount+0x20/0xc0
[ 629.867184][T10014] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.867202][T10014] do_syscall_64+0x15f/0xf80
[ 629.867222][T10014] ? trace_irq_disable+0x3b/0x140
[ 629.867249][T10014] ? clear_bhb_loop+0x40/0x90
[ 629.867269][T10014] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.867285][T10014] RIP: 0033:0x7fa65595546a
[ 629.867301][T10014] 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
[ 629.867316][T10014] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 629.867334][T10014] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 629.867347][T10014] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 629.867359][T10014] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 629.867371][T10014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 629.867382][T10014] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 629.867406][T10014]
[ 629.867462][T10014] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 629.867481][T10014] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 630.337902][ T9635] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 631.503245][ T9135] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 631.503287][ T9135] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 631.503321][ T9135] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9135 [syz-executor163] gfs2_quota_sync+0x370/0x470
[ 631.503369][ T9135] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 631.503392][ T9135] CPU: 1 UID: 0 PID: 9135 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 631.503411][ T9135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 631.503421][ T9135] Call Trace:
[ 631.503428][ T9135]
[ 631.503435][ T9135] dump_stack_lvl+0xe8/0x150
[ 631.503458][ T9135] gfs2_withdraw+0xc3/0x1b0
[ 631.503477][ T9135] inode_go_instantiate+0xe69/0x12a0
[ 631.503502][ T9135] ? __pfx_inode_go_instantiate+0x10/0x10
[ 631.503517][ T9135] ? rt_spin_unlock+0x160/0x200
[ 631.503552][ T9135] gfs2_instantiate+0x168/0x220
[ 631.503572][ T9135] gfs2_glock_wait+0x1d7/0x2a0
[ 631.503594][ T9135] do_sync+0x49a/0xcb0
[ 631.503616][ T9135] ? gfs2_quota_sync+0x370/0x470
[ 631.503647][ T9135] ? __pfx_do_sync+0x10/0x10
[ 631.503668][ T9135] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 631.503701][ T9135] ? gfs2_quota_sync+0x370/0x470
[ 631.503723][ T9135] ? rt_spin_unlock+0x14f/0x200
[ 631.503751][ T9135] ? rt_spin_unlock+0x160/0x200
[ 631.503778][ T9135] gfs2_quota_sync+0x370/0x470
[ 631.503809][ T9135] gfs2_sync_fs+0x4c/0xb0
[ 631.503830][ T9135] sync_filesystem+0xed/0x250
[ 631.503857][ T9135] generic_shutdown_super+0x77/0x2d0
[ 631.503882][ T9135] kill_block_super+0x44/0x90
[ 631.503908][ T9135] deactivate_locked_super+0xbc/0x130
[ 631.503932][ T9135] cleanup_mnt+0x437/0x4d0
[ 631.503956][ T9135] ? _raw_spin_unlock_irq+0x23/0x50
[ 631.503978][ T9135] task_work_run+0x1d9/0x270
[ 631.504000][ T9135] ? __pfx_task_work_run+0x10/0x10
[ 631.504028][ T9135] exit_to_user_mode_loop+0xf3/0x4d0
[ 631.504044][ T9135] ? rcu_is_watching+0x15/0xb0
[ 631.504065][ T9135] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 631.504084][ T9135] do_syscall_64+0x33e/0xf80
[ 631.504113][ T9135] ? trace_irq_disable+0x3b/0x140
[ 631.504139][ T9135] ? clear_bhb_loop+0x40/0x90
[ 631.504159][ T9135] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 631.504175][ T9135] RIP: 0033:0x7fa655955437
[ 631.504191][ T9135] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 631.504205][ T9135] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 631.504223][ T9135] RAX: 0000000000000000 RBX: 000000000000000a RCX: 00007fa655955437
[ 631.504234][ T9135] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 631.504244][ T9135] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 631.504256][ T9135] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 631.504267][ T9135] R13: 00005555887de980 R14: 0000000000000064 R15: 0000000000000008
[ 631.504291][ T9135]
[ 631.504297][ T9135] gfs2: fsid=syz:syz.0: about to withdraw this file system
executing program
[ 632.559838][T10017] loop2: detected capacity change from 0 to 32768
[ 632.577462][T10017] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 632.577487][T10017] CPU: 0 UID: 0 PID: 10017 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 632.577513][T10017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 632.577528][T10017] Call Trace:
[ 632.577536][T10017]
[ 632.577546][T10017] dump_stack_lvl+0xe8/0x150
[ 632.577582][T10017] sysfs_create_dir_ns+0x271/0x2a0
[ 632.577614][T10017] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 632.577650][T10017] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 632.577684][T10017] ? rt_spin_unlock+0x160/0x200
[ 632.577722][T10017] kobject_add_internal+0x631/0xd10
[ 632.577766][T10017] kobject_init_and_add+0x12b/0x1a0
[ 632.577806][T10017] ? __pfx_kobject_init_and_add+0x10/0x10
[ 632.577843][T10017] ? __raw_spin_lock_init+0x45/0x100
[ 632.577903][T10017] ? __init_swait_queue_head+0xa9/0x150
[ 632.577943][T10017] gfs2_sys_fs_add+0x257/0x480
[ 632.577979][T10017] ? is_dynamic_key+0x1ac/0x1c0
[ 632.578004][T10017] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 632.578047][T10017] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 632.578088][T10017] gfs2_fill_super+0x141c/0x2220
[ 632.578130][T10017] ? __pfx_gfs2_fill_super+0x10/0x10
[ 632.578153][T10017] ? rt_spin_unlock+0x14f/0x200
[ 632.578194][T10017] ? sb_set_blocksize+0x11b/0x210
[ 632.578222][T10017] ? setup_bdev_super+0x4c1/0x5b0
[ 632.578269][T10017] get_tree_bdev_flags+0x431/0x4f0
[ 632.578306][T10017] ? __pfx_gfs2_fill_super+0x10/0x10
[ 632.578332][T10017] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 632.578365][T10017] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 632.578410][T10017] gfs2_get_tree+0x51/0x1e0
[ 632.578439][T10017] vfs_get_tree+0x92/0x2a0
[ 632.578478][T10017] do_new_mount+0x341/0xd30
[ 632.578505][T10017] ? apparmor_capable+0x126/0x170
[ 632.578540][T10017] ? __pfx_do_new_mount+0x10/0x10
[ 632.578569][T10017] ? ns_capable+0x89/0xe0
[ 632.578608][T10017] ? user_path_at+0xd4/0x160
[ 632.578646][T10017] ? user_path_at+0xd4/0x160
[ 632.578681][T10017] __se_sys_mount+0x31d/0x420
[ 632.578718][T10017] ? __pfx___se_sys_mount+0x10/0x10
[ 632.578750][T10017] ? __x64_sys_mount+0x20/0xc0
[ 632.578778][T10017] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 632.578803][T10017] do_syscall_64+0x15f/0xf80
[ 632.578829][T10017] ? trace_irq_disable+0x3b/0x140
[ 632.578865][T10017] ? clear_bhb_loop+0x40/0x90
[ 632.578895][T10017] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 632.578918][T10017] RIP: 0033:0x7fa65595546a
[ 632.578940][T10017] 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
[ 632.578961][T10017] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 632.578986][T10017] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 632.579005][T10017] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 632.579023][T10017] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 632.579039][T10017] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
executing program
[ 632.579056][T10017] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 632.579091][T10017]
[ 632.579145][T10017] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 632.579165][T10017] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 633.054142][ T9769] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[ 633.408295][T10020] loop3: detected capacity change from 0 to 32768
[ 633.435613][T10020] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 633.435641][T10020] CPU: 1 UID: 0 PID: 10020 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 633.435669][T10020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 633.435684][T10020] Call Trace:
[ 633.435693][T10020]
[ 633.435703][T10020] dump_stack_lvl+0xe8/0x150
[ 633.435741][T10020] sysfs_create_dir_ns+0x271/0x2a0
[ 633.435772][T10020] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 633.435811][T10020] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 633.435845][T10020] ? rt_spin_unlock+0x160/0x200
[ 633.435885][T10020] kobject_add_internal+0x631/0xd10
[ 633.435930][T10020] kobject_init_and_add+0x12b/0x1a0
[ 633.435971][T10020] ? __pfx_kobject_init_and_add+0x10/0x10
[ 633.436012][T10020] ? __raw_spin_lock_init+0x45/0x100
[ 633.436050][T10020] ? __init_swait_queue_head+0xa9/0x150
[ 633.436089][T10020] gfs2_sys_fs_add+0x257/0x480
[ 633.436118][T10020] ? is_dynamic_key+0x1ac/0x1c0
[ 633.436143][T10020] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 633.436193][T10020] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 633.436234][T10020] gfs2_fill_super+0x141c/0x2220
[ 633.436278][T10020] ? __pfx_gfs2_fill_super+0x10/0x10
[ 633.436302][T10020] ? rt_spin_unlock+0x14f/0x200
[ 633.436343][T10020] ? sb_set_blocksize+0x11b/0x210
[ 633.436369][T10020] ? setup_bdev_super+0x4c1/0x5b0
[ 633.436409][T10020] get_tree_bdev_flags+0x431/0x4f0
[ 633.436444][T10020] ? __pfx_gfs2_fill_super+0x10/0x10
executing program
[ 633.436469][T10020] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 633.436502][T10020] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 633.436547][T10020] gfs2_get_tree+0x51/0x1e0
[ 633.436576][T10020] vfs_get_tree+0x92/0x2a0
[ 633.436613][T10020] do_new_mount+0x341/0xd30
[ 633.436639][T10020] ? apparmor_capable+0x126/0x170
[ 633.436672][T10020] ? __pfx_do_new_mount+0x10/0x10
[ 633.436699][T10020] ? ns_capable+0x89/0xe0
[ 633.436737][T10020] ? user_path_at+0xd4/0x160
[ 633.436772][T10020] ? user_path_at+0xd4/0x160
[ 633.436806][T10020] __se_sys_mount+0x31d/0x420
[ 633.436839][T10020] ? __pfx___se_sys_mount+0x10/0x10
[ 633.436874][T10020] ? __x64_sys_mount+0x20/0xc0
[ 633.436901][T10020] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 633.436926][T10020] do_syscall_64+0x15f/0xf80
[ 633.436952][T10020] ? trace_irq_disable+0x3b/0x140
[ 633.436989][T10020] ? clear_bhb_loop+0x40/0x90
[ 633.437017][T10020] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 633.437042][T10020] RIP: 0033:0x7fa65595546a
[ 633.437064][T10020] 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
[ 633.437084][T10020] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 633.437110][T10020] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 633.437129][T10020] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 633.437146][T10020] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 633.437171][T10020] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 633.437187][T10020] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 633.437222][T10020]
[ 633.437314][T10020] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 633.437334][T10020] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 633.841541][ T9769] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[ 634.026069][T10022] loop4: detected capacity change from 0 to 32768
[ 634.077418][T10022] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 634.077505][T10022] CPU: 0 UID: 0 PID: 10022 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 634.077574][T10022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 634.077616][T10022] Call Trace:
[ 634.077639][T10022]
[ 634.077662][T10022] dump_stack_lvl+0xe8/0x150
[ 634.077791][T10022] sysfs_create_dir_ns+0x271/0x2a0
[ 634.077861][T10022] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 634.077961][T10022] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 634.078047][T10022] ? rt_spin_unlock+0x160/0x200
[ 634.078142][T10022] kobject_add_internal+0x631/0xd10
[ 634.078251][T10022] kobject_init_and_add+0x12b/0x1a0
[ 634.078350][T10022] ? __pfx_kobject_init_and_add+0x10/0x10
[ 634.078439][T10022] ? __raw_spin_lock_init+0x45/0x100
[ 634.078527][T10022] ? __init_swait_queue_head+0xa9/0x150
[ 634.078634][T10022] gfs2_sys_fs_add+0x257/0x480
[ 634.078710][T10022] ? is_dynamic_key+0x1ac/0x1c0
[ 634.078788][T10022] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 634.078904][T10022] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 634.078999][T10022] gfs2_fill_super+0x141c/0x2220
[ 634.079117][T10022] ? __pfx_gfs2_fill_super+0x10/0x10
[ 634.079173][T10022] ? rt_spin_unlock+0x14f/0x200
[ 634.079280][T10022] ? sb_set_blocksize+0x11b/0x210
[ 634.079347][T10022] ? setup_bdev_super+0x4c1/0x5b0
[ 634.079437][T10022] get_tree_bdev_flags+0x431/0x4f0
[ 634.079533][T10022] ? __pfx_gfs2_fill_super+0x10/0x10
[ 634.079599][T10022] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 634.079686][T10022] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 634.079797][T10022] gfs2_get_tree+0x51/0x1e0
[ 634.079877][T10022] vfs_get_tree+0x92/0x2a0
[ 634.079974][T10022] do_new_mount+0x341/0xd30
[ 634.080035][T10022] ? apparmor_capable+0x126/0x170
[ 634.080130][T10022] ? __pfx_do_new_mount+0x10/0x10
[ 634.080219][T10022] ? ns_capable+0x89/0xe0
[ 634.080324][T10022] ? user_path_at+0xd4/0x160
[ 634.080417][T10022] ? user_path_at+0xd4/0x160
[ 634.080503][T10022] __se_sys_mount+0x31d/0x420
[ 634.080576][T10022] ? __pfx___se_sys_mount+0x10/0x10
[ 634.080664][T10022] ? __x64_sys_mount+0x20/0xc0
[ 634.080749][T10022] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 634.080815][T10022] do_syscall_64+0x15f/0xf80
[ 634.080986][T10022] ? trace_irq_disable+0x3b/0x140
[ 634.081076][T10022] ? clear_bhb_loop+0x40/0x90
[ 634.081163][T10022] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 634.081227][T10022] RIP: 0033:0x7fa65595546a
[ 634.081283][T10022] 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
[ 634.081337][T10022] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 634.081403][T10022] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
executing program
[ 634.081455][T10022] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 634.081507][T10022] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 634.081563][T10022] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 634.081612][T10022] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 634.081705][T10022]
[ 634.081822][T10022] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 634.081861][T10022] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 634.704411][ T9635] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 634.960102][T10026] loop0: detected capacity change from 0 to 32768
[ 635.020962][T10026] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 635.020982][T10026] CPU: 1 UID: 0 PID: 10026 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 635.021002][T10026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 635.021013][T10026] Call Trace:
[ 635.021019][T10026]
[ 635.021032][T10026] dump_stack_lvl+0xe8/0x150
[ 635.021062][T10026] sysfs_create_dir_ns+0x271/0x2a0
[ 635.021084][T10026] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 635.021111][T10026] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 635.021134][T10026] ? rt_spin_unlock+0x160/0x200
[ 635.021160][T10026] kobject_add_internal+0x631/0xd10
[ 635.021190][T10026] kobject_init_and_add+0x12b/0x1a0
[ 635.021217][T10026] ? __pfx_kobject_init_and_add+0x10/0x10
[ 635.021242][T10026] ? __raw_spin_lock_init+0x45/0x100
[ 635.021268][T10026] ? __init_swait_queue_head+0xa9/0x150
[ 635.021296][T10026] gfs2_sys_fs_add+0x257/0x480
[ 635.021318][T10026] ? is_dynamic_key+0x1ac/0x1c0
[ 635.021335][T10026] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 635.021363][T10026] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 635.021391][T10026] gfs2_fill_super+0x141c/0x2220
[ 635.021420][T10026] ? __pfx_gfs2_fill_super+0x10/0x10
[ 635.021436][T10026] ? rt_spin_unlock+0x14f/0x200
[ 635.021464][T10026] ? sb_set_blocksize+0x11b/0x210
[ 635.021482][T10026] ? setup_bdev_super+0x4c1/0x5b0
[ 635.021510][T10026] get_tree_bdev_flags+0x431/0x4f0
[ 635.021535][T10026] ? __pfx_gfs2_fill_super+0x10/0x10
[ 635.021552][T10026] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 635.021575][T10026] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 635.021608][T10026] gfs2_get_tree+0x51/0x1e0
[ 635.021627][T10026] vfs_get_tree+0x92/0x2a0
[ 635.021653][T10026] do_new_mount+0x341/0xd30
[ 635.021671][T10026] ? apparmor_capable+0x126/0x170
[ 635.021695][T10026] ? __pfx_do_new_mount+0x10/0x10
[ 635.021714][T10026] ? ns_capable+0x89/0xe0
[ 635.021740][T10026] ? user_path_at+0xd4/0x160
[ 635.021765][T10026] ? user_path_at+0xd4/0x160
[ 635.021788][T10026] __se_sys_mount+0x31d/0x420
[ 635.021812][T10026] ? __pfx___se_sys_mount+0x10/0x10
[ 635.021836][T10026] ? __x64_sys_mount+0x20/0xc0
[ 635.021856][T10026] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 635.021874][T10026] do_syscall_64+0x15f/0xf80
[ 635.021892][T10026] ? trace_irq_disable+0x3b/0x140
[ 635.021917][T10026] ? clear_bhb_loop+0x40/0x90
[ 635.021937][T10026] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 635.021953][T10026] RIP: 0033:0x7fa65595546a
[ 635.021968][T10026] 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
[ 635.021982][T10026] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 635.022000][T10026] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 635.022012][T10026] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 635.022025][T10026] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 635.022072][T10026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 635.022083][T10026] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 635.022107][T10026]
[ 635.022127][T10026] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 635.022139][T10026] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 635.403025][ T9769] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 636.548612][ T9135] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 566
[ 636.548654][ T9135] CPU: 1 UID: 0 PID: 9135 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 636.548685][ T9135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 636.548702][ T9135] Call Trace:
[ 636.548712][ T9135]
[ 636.548724][ T9135] dump_stack_lvl+0xe8/0x150
[ 636.548778][ T9135] gfs2_assert_warn_i+0x194/0x2c0
[ 636.548817][ T9135] gfs2_make_fs_ro+0x30d/0x320
[ 636.548855][ T9135] ? __pfx_gfs2_make_fs_ro+0x10/0x10
[ 636.548897][ T9135] ? __pfx_autoremove_wake_function+0x10/0x10
[ 636.548949][ T9135] ? flush_work+0xd/0x30
[ 636.548978][ T9135] gfs2_put_super+0x235/0x870
[ 636.549020][ T9135] ? __pfx_gfs2_put_super+0x10/0x10
[ 636.549054][ T9135] generic_shutdown_super+0x13d/0x2d0
[ 636.549092][ T9135] kill_block_super+0x44/0x90
[ 636.549132][ T9135] deactivate_locked_super+0xbc/0x130
[ 636.549170][ T9135] cleanup_mnt+0x437/0x4d0
[ 636.549206][ T9135] ? _raw_spin_unlock_irq+0x23/0x50
[ 636.549242][ T9135] task_work_run+0x1d9/0x270
[ 636.549277][ T9135] ? __pfx_task_work_run+0x10/0x10
[ 636.549320][ T9135] exit_to_user_mode_loop+0xf3/0x4d0
[ 636.549345][ T9135] ? rcu_is_watching+0x15/0xb0
[ 636.549377][ T9135] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 636.549406][ T9135] do_syscall_64+0x33e/0xf80
[ 636.549436][ T9135] ? trace_irq_disable+0x3b/0x140
[ 636.549477][ T9135] ? clear_bhb_loop+0x40/0x90
[ 636.549510][ T9135] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 636.549536][ T9135] RIP: 0033:0x7fa655955437
[ 636.549562][ T9135] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 636.549584][ T9135] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 636.549622][ T9135] RAX: 0000000000000000 RBX: 000000000000000a RCX: 00007fa655955437
[ 636.549640][ T9135] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 636.549658][ T9135] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 636.549677][ T9135] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 636.549694][ T9135] R13: 00005555887de980 R14: 0000000000000064 R15: 0000000000000008
[ 636.549733][ T9135]
[ 636.942843][ T9135] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
executing program
executing program
[ 637.478199][T10029] loop1: detected capacity change from 0 to 32768
[ 637.572370][T10029] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 637.572394][T10029] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 637.652308][T10029] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 637.663435][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 637.663456][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 637.735008][T10030] loop2: detected capacity change from 0 to 32768
[ 637.766072][T10030] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 637.766100][T10030] CPU: 0 UID: 0 PID: 10030 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 637.766127][T10030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 637.766141][T10030] Call Trace:
[ 637.766150][T10030]
[ 637.766160][T10030] dump_stack_lvl+0xe8/0x150
[ 637.766197][T10030] sysfs_create_dir_ns+0x271/0x2a0
[ 637.766229][T10030] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 637.766267][T10030] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 637.766303][T10030] ? rt_spin_unlock+0x160/0x200
[ 637.766342][T10030] kobject_add_internal+0x631/0xd10
[ 637.766387][T10030] kobject_init_and_add+0x12b/0x1a0
[ 637.766427][T10030] ? __pfx_kobject_init_and_add+0x10/0x10
[ 637.766464][T10030] ? __raw_spin_lock_init+0x45/0x100
[ 637.766502][T10030] ? __init_swait_queue_head+0xa9/0x150
[ 637.766544][T10030] gfs2_sys_fs_add+0x257/0x480
[ 637.766576][T10030] ? is_dynamic_key+0x1ac/0x1c0
[ 637.766602][T10030] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 637.766645][T10030] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 637.766688][T10030] gfs2_fill_super+0x141c/0x2220
[ 637.766732][T10030] ? __pfx_gfs2_fill_super+0x10/0x10
[ 637.766756][T10030] ? rt_spin_unlock+0x14f/0x200
[ 637.766800][T10030] ? sb_set_blocksize+0x11b/0x210
[ 637.766832][T10030] ? setup_bdev_super+0x4c1/0x5b0
[ 637.766871][T10030] get_tree_bdev_flags+0x431/0x4f0
[ 637.766906][T10030] ? __pfx_gfs2_fill_super+0x10/0x10
[ 637.766931][T10030] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 637.766964][T10030] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 637.767011][T10030] gfs2_get_tree+0x51/0x1e0
[ 637.767041][T10030] vfs_get_tree+0x92/0x2a0
[ 637.767080][T10030] do_new_mount+0x341/0xd30
[ 637.767108][T10030] ? apparmor_capable+0x126/0x170
[ 637.767143][T10030] ? __pfx_do_new_mount+0x10/0x10
[ 637.767172][T10030] ? ns_capable+0x89/0xe0
[ 637.767210][T10030] ? user_path_at+0xd4/0x160
[ 637.767248][T10030] ? user_path_at+0xd4/0x160
[ 637.767284][T10030] __se_sys_mount+0x31d/0x420
[ 637.767321][T10030] ? __pfx___se_sys_mount+0x10/0x10
[ 637.767358][T10030] ? __x64_sys_mount+0x20/0xc0
[ 637.767387][T10030] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 637.767413][T10030] do_syscall_64+0x15f/0xf80
[ 637.767442][T10030] ? trace_irq_disable+0x3b/0x140
[ 637.767477][T10030] ? clear_bhb_loop+0x40/0x90
[ 637.767506][T10030] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 637.767531][T10030] RIP: 0033:0x7fa65595546a
[ 637.767553][T10030] 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
[ 637.767574][T10030] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 637.767599][T10030] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 637.767617][T10030] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 637.767634][T10030] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 637.767651][T10030] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 637.767667][T10030] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 637.767703][T10030]
[ 637.767781][T10030] 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
[ 637.767800][T10030] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 638.236339][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 572ms
[ 638.236658][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
[ 638.236788][T10029] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 638.577501][T10035] loop3: detected capacity change from 0 to 32768
[ 638.605151][T10035] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 638.605177][T10035] CPU: 0 UID: 0 PID: 10035 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 638.605204][T10035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 638.605219][T10035] Call Trace:
[ 638.605228][T10035]
[ 638.605238][T10035] dump_stack_lvl+0xe8/0x150
[ 638.605275][T10035] sysfs_create_dir_ns+0x271/0x2a0
[ 638.605306][T10035] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 638.605344][T10035] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 638.605383][T10035] ? rt_spin_unlock+0x160/0x200
[ 638.605423][T10035] kobject_add_internal+0x631/0xd10
[ 638.605467][T10035] kobject_init_and_add+0x12b/0x1a0
[ 638.605505][T10035] ? __pfx_kobject_init_and_add+0x10/0x10
[ 638.605540][T10035] ? __raw_spin_lock_init+0x45/0x100
[ 638.605578][T10035] ? __init_swait_queue_head+0xa9/0x150
[ 638.605616][T10035] gfs2_sys_fs_add+0x257/0x480
[ 638.605648][T10035] ? is_dynamic_key+0x1ac/0x1c0
[ 638.605674][T10035] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 638.605714][T10035] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 638.605757][T10035] gfs2_fill_super+0x141c/0x2220
[ 638.605806][T10035] ? __pfx_gfs2_fill_super+0x10/0x10
[ 638.605830][T10035] ? rt_spin_unlock+0x14f/0x200
[ 638.605870][T10035] ? sb_set_blocksize+0x11b/0x210
[ 638.605903][T10035] ? setup_bdev_super+0x4c1/0x5b0
[ 638.605944][T10035] get_tree_bdev_flags+0x431/0x4f0
[ 638.605981][T10035] ? __pfx_gfs2_fill_super+0x10/0x10
[ 638.606006][T10035] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 638.606040][T10035] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 638.606087][T10035] gfs2_get_tree+0x51/0x1e0
[ 638.606116][T10035] vfs_get_tree+0x92/0x2a0
[ 638.606155][T10035] do_new_mount+0x341/0xd30
[ 638.606181][T10035] ? apparmor_capable+0x126/0x170
[ 638.606215][T10035] ? __pfx_do_new_mount+0x10/0x10
[ 638.606243][T10035] ? ns_capable+0x89/0xe0
[ 638.606281][T10035] ? user_path_at+0xd4/0x160
[ 638.606317][T10035] ? user_path_at+0xd4/0x160
[ 638.606351][T10035] __se_sys_mount+0x31d/0x420
[ 638.606387][T10035] ? __pfx___se_sys_mount+0x10/0x10
[ 638.606424][T10035] ? __x64_sys_mount+0x20/0xc0
[ 638.606453][T10035] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 638.606478][T10035] do_syscall_64+0x15f/0xf80
[ 638.606507][T10035] ? clear_bhb_loop+0x40/0x90
[ 638.606537][T10035] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 638.606560][T10035] RIP: 0033:0x7fa65595546a
[ 638.606583][T10035] 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
[ 638.606605][T10035] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 638.606630][T10035] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 638.606648][T10035] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
executing program
[ 638.606666][T10035] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 638.606682][T10035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 638.606697][T10035] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 638.606733][T10035]
[ 638.606781][T10035] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 638.606848][T10035] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 639.095547][T10029] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 639.152148][ T9635] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[ 639.319652][T10039] loop4: detected capacity change from 0 to 32768
[ 639.432496][T10039] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 639.432522][T10039] CPU: 1 UID: 0 PID: 10039 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 639.432550][T10039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 639.432569][T10039] Call Trace:
[ 639.432578][T10039]
[ 639.432589][T10039] dump_stack_lvl+0xe8/0x150
[ 639.432624][T10039] sysfs_create_dir_ns+0x271/0x2a0
[ 639.432655][T10039] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 639.432694][T10039] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 639.432729][T10039] ? rt_spin_unlock+0x160/0x200
[ 639.432768][T10039] kobject_add_internal+0x631/0xd10
[ 639.432812][T10039] kobject_init_and_add+0x12b/0x1a0
[ 639.432851][T10039] ? __pfx_kobject_init_and_add+0x10/0x10
[ 639.432885][T10039] ? __raw_spin_lock_init+0x45/0x100
[ 639.432918][T10039] ? __init_swait_queue_head+0xa9/0x150
[ 639.432958][T10039] gfs2_sys_fs_add+0x257/0x480
[ 639.432988][T10039] ? is_dynamic_key+0x1ac/0x1c0
[ 639.433014][T10039] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 639.433056][T10039] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 639.433095][T10039] gfs2_fill_super+0x141c/0x2220
[ 639.433138][T10039] ? __pfx_gfs2_fill_super+0x10/0x10
[ 639.433161][T10039] ? rt_spin_unlock+0x14f/0x200
[ 639.433200][T10039] ? sb_set_blocksize+0x11b/0x210
[ 639.433225][T10039] ? setup_bdev_super+0x4c1/0x5b0
[ 639.433262][T10039] get_tree_bdev_flags+0x431/0x4f0
[ 639.433296][T10039] ? __pfx_gfs2_fill_super+0x10/0x10
[ 639.433321][T10039] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 639.433353][T10039] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 639.433449][T10039] gfs2_get_tree+0x51/0x1e0
[ 639.433479][T10039] vfs_get_tree+0x92/0x2a0
[ 639.433516][T10039] do_new_mount+0x341/0xd30
[ 639.433543][T10039] ? apparmor_capable+0x126/0x170
[ 639.433576][T10039] ? __pfx_do_new_mount+0x10/0x10
[ 639.433604][T10039] ? ns_capable+0x89/0xe0
executing program
[ 639.433638][T10039] ? user_path_at+0xd4/0x160
[ 639.433675][T10039] ? user_path_at+0xd4/0x160
[ 639.433709][T10039] __se_sys_mount+0x31d/0x420
[ 639.433742][T10039] ? __pfx___se_sys_mount+0x10/0x10
[ 639.433778][T10039] ? __x64_sys_mount+0x20/0xc0
[ 639.433804][T10039] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 639.433831][T10039] do_syscall_64+0x15f/0xf80
[ 639.433858][T10039] ? trace_irq_disable+0x3b/0x140
[ 639.433895][T10039] ? clear_bhb_loop+0x40/0x90
[ 639.433925][T10039] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 639.433949][T10039] RIP: 0033:0x7fa65595546a
[ 639.433972][T10039] 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
[ 639.433992][T10039] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 639.434018][T10039] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 639.434036][T10039] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 639.434054][T10039] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 639.434070][T10039] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 639.434086][T10039] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 639.434121][T10039]
[ 639.434179][T10039] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 639.434199][T10039] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 639.923082][ T9769] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[ 640.218575][T10043] loop0: detected capacity change from 0 to 32768
[ 640.246399][T10043] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 640.246423][T10043] CPU: 0 UID: 0 PID: 10043 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 640.246451][T10043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 640.246466][T10043] Call Trace:
[ 640.246476][T10043]
[ 640.246486][T10043] dump_stack_lvl+0xe8/0x150
[ 640.246523][T10043] sysfs_create_dir_ns+0x271/0x2a0
[ 640.246553][T10043] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 640.246593][T10043] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 640.246636][T10043] ? rt_spin_unlock+0x160/0x200
[ 640.246675][T10043] kobject_add_internal+0x631/0xd10
[ 640.246719][T10043] kobject_init_and_add+0x12b/0x1a0
[ 640.246758][T10043] ? __pfx_kobject_init_and_add+0x10/0x10
[ 640.246798][T10043] ? __raw_spin_lock_init+0x45/0x100
[ 640.246834][T10043] ? __init_swait_queue_head+0xa9/0x150
[ 640.246873][T10043] gfs2_sys_fs_add+0x257/0x480
[ 640.246905][T10043] ? is_dynamic_key+0x1ac/0x1c0
[ 640.246930][T10043] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 640.246972][T10043] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 640.247012][T10043] gfs2_fill_super+0x141c/0x2220
[ 640.247052][T10043] ? __pfx_gfs2_fill_super+0x10/0x10
[ 640.247075][T10043] ? rt_spin_unlock+0x14f/0x200
[ 640.247116][T10043] ? sb_set_blocksize+0x11b/0x210
[ 640.247143][T10043] ? setup_bdev_super+0x4c1/0x5b0
[ 640.247185][T10043] get_tree_bdev_flags+0x431/0x4f0
[ 640.247222][T10043] ? __pfx_gfs2_fill_super+0x10/0x10
[ 640.247247][T10043] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 640.247282][T10043] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 640.247327][T10043] gfs2_get_tree+0x51/0x1e0
[ 640.247356][T10043] vfs_get_tree+0x92/0x2a0
[ 640.247393][T10043] do_new_mount+0x341/0xd30
[ 640.247420][T10043] ? apparmor_capable+0x126/0x170
[ 640.247454][T10043] ? __pfx_do_new_mount+0x10/0x10
[ 640.247483][T10043] ? ns_capable+0x89/0xe0
[ 640.247521][T10043] ? user_path_at+0xd4/0x160
[ 640.247558][T10043] ? user_path_at+0xd4/0x160
[ 640.247593][T10043] __se_sys_mount+0x31d/0x420
[ 640.247638][T10043] ? __pfx___se_sys_mount+0x10/0x10
[ 640.247675][T10043] ? __x64_sys_mount+0x20/0xc0
[ 640.247702][T10043] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 640.247728][T10043] do_syscall_64+0x15f/0xf80
[ 640.247756][T10043] ? trace_irq_disable+0x3b/0x140
[ 640.247790][T10043] ? clear_bhb_loop+0x40/0x90
[ 640.247821][T10043] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 640.247846][T10043] RIP: 0033:0x7fa65595546a
[ 640.247869][T10043] 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
[ 640.247889][T10043] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 640.247914][T10043] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 640.247932][T10043] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 640.247949][T10043] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 640.247964][T10043] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 640.247980][T10043] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 640.248016][T10043]
[ 640.248092][T10043] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 640.248111][T10043] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 640.727248][ T9710] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 640.792740][ T9635] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 642.166780][ T9135] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 642.168751][ T9135] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 642.168794][ T9135] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9135 [syz-executor163] gfs2_quota_sync+0x370/0x470
[ 642.168962][ T9135] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 642.168997][ T9135] CPU: 0 UID: 0 PID: 9135 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 642.169027][ T9135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 642.169038][ T9135] Call Trace:
[ 642.169050][ T9135]
[ 642.169058][ T9135] dump_stack_lvl+0xe8/0x150
[ 642.169082][ T9135] gfs2_withdraw+0xc3/0x1b0
[ 642.169102][ T9135] inode_go_instantiate+0xe69/0x12a0
[ 642.169127][ T9135] ? __pfx_inode_go_instantiate+0x10/0x10
[ 642.169143][ T9135] ? rt_spin_unlock+0x160/0x200
[ 642.169177][ T9135] gfs2_instantiate+0x168/0x220
[ 642.169198][ T9135] gfs2_glock_wait+0x1d7/0x2a0
[ 642.169220][ T9135] do_sync+0x49a/0xcb0
[ 642.169243][ T9135] ? gfs2_quota_sync+0x370/0x470
[ 642.169281][ T9135] ? __pfx_do_sync+0x10/0x10
[ 642.169306][ T9135] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 642.169339][ T9135] ? gfs2_quota_sync+0x370/0x470
[ 642.169361][ T9135] ? rt_spin_unlock+0x14f/0x200
[ 642.169389][ T9135] ? rt_spin_unlock+0x160/0x200
[ 642.169416][ T9135] gfs2_quota_sync+0x370/0x470
[ 642.169448][ T9135] gfs2_sync_fs+0x4c/0xb0
[ 642.169471][ T9135] sync_filesystem+0xed/0x250
[ 642.169498][ T9135] generic_shutdown_super+0x77/0x2d0
[ 642.169777][ T9135] kill_block_super+0x44/0x90
[ 642.169808][ T9135] deactivate_locked_super+0xbc/0x130
[ 642.169833][ T9135] cleanup_mnt+0x437/0x4d0
[ 642.169857][ T9135] ? _raw_spin_unlock_irq+0x23/0x50
[ 642.169880][ T9135] task_work_run+0x1d9/0x270
[ 642.169902][ T9135] ? __pfx_task_work_run+0x10/0x10
[ 642.169929][ T9135] exit_to_user_mode_loop+0xf3/0x4d0
[ 642.169946][ T9135] ? rcu_is_watching+0x15/0xb0
[ 642.169967][ T9135] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 642.169985][ T9135] do_syscall_64+0x33e/0xf80
[ 642.170045][ T9135] ? trace_irq_disable+0x3b/0x140
[ 642.170084][ T9135] ? clear_bhb_loop+0x40/0x90
[ 642.170104][ T9135] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 642.170122][ T9135] RIP: 0033:0x7fa655955437
executing program
[ 642.170138][ T9135] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 642.170248][ T9135] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 642.170266][ T9135] RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007fa655955437
[ 642.170278][ T9135] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 642.170288][ T9135] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 642.170300][ T9135] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 642.170311][ T9135] R13: 00005555887de980 R14: 0000000000000061 R15: 0000000000000009
[ 642.170335][ T9135]
[ 642.171260][ T9135] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 642.798999][T10046] loop2: detected capacity change from 0 to 32768
[ 642.828611][T10046] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 642.828638][T10046] CPU: 0 UID: 0 PID: 10046 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 642.828665][T10046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 642.828680][T10046] Call Trace:
[ 642.828690][T10046]
[ 642.828701][T10046] dump_stack_lvl+0xe8/0x150
[ 642.828737][T10046] sysfs_create_dir_ns+0x271/0x2a0
[ 642.828769][T10046] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 642.828807][T10046] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 642.828842][T10046] ? rt_spin_unlock+0x160/0x200
[ 642.828879][T10046] kobject_add_internal+0x631/0xd10
[ 642.828924][T10046] kobject_init_and_add+0x12b/0x1a0
[ 642.828965][T10046] ? __pfx_kobject_init_and_add+0x10/0x10
[ 642.829002][T10046] ? __raw_spin_lock_init+0x45/0x100
[ 642.829041][T10046] ? __init_swait_queue_head+0xa9/0x150
[ 642.829083][T10046] gfs2_sys_fs_add+0x257/0x480
[ 642.829111][T10046] ? is_dynamic_key+0x1ac/0x1c0
[ 642.829133][T10046] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 642.829174][T10046] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 642.829212][T10046] gfs2_fill_super+0x141c/0x2220
[ 642.829256][T10046] ? __pfx_gfs2_fill_super+0x10/0x10
[ 642.829280][T10046] ? rt_spin_unlock+0x14f/0x200
[ 642.829320][T10046] ? sb_set_blocksize+0x11b/0x210
[ 642.829348][T10046] ? setup_bdev_super+0x4c1/0x5b0
[ 642.829397][T10046] get_tree_bdev_flags+0x431/0x4f0
[ 642.829433][T10046] ? __pfx_gfs2_fill_super+0x10/0x10
[ 642.829458][T10046] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 642.829492][T10046] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 642.829538][T10046] gfs2_get_tree+0x51/0x1e0
[ 642.829566][T10046] vfs_get_tree+0x92/0x2a0
[ 642.829606][T10046] do_new_mount+0x341/0xd30
[ 642.829632][T10046] ? apparmor_capable+0x126/0x170
[ 642.829666][T10046] ? __pfx_do_new_mount+0x10/0x10
[ 642.829695][T10046] ? ns_capable+0x89/0xe0
[ 642.829738][T10046] ? user_path_at+0xd4/0x160
[ 642.829773][T10046] ? user_path_at+0xd4/0x160
[ 642.829806][T10046] __se_sys_mount+0x31d/0x420
[ 642.829848][T10046] ? __pfx___se_sys_mount+0x10/0x10
[ 642.829883][T10046] ? __x64_sys_mount+0x20/0xc0
[ 642.829911][T10046] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 642.829934][T10046] do_syscall_64+0x15f/0xf80
[ 642.829961][T10046] ? trace_irq_disable+0x3b/0x140
[ 642.829997][T10046] ? clear_bhb_loop+0x40/0x90
[ 642.830026][T10046] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 642.830051][T10046] RIP: 0033:0x7fa65595546a
[ 642.830072][T10046] 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
[ 642.830094][T10046] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 642.830120][T10046] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 642.830138][T10046] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 642.830156][T10046] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 642.830173][T10046] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 642.830189][T10046] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 642.830224][T10046]
[ 642.830274][T10046] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 642.830294][T10046] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 643.113652][ T9769] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
executing program
[ 643.625273][T10049] loop3: detected capacity change from 0 to 32768
[ 643.686418][T10049] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 643.686444][T10049] CPU: 0 UID: 0 PID: 10049 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 643.686470][T10049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 643.686485][T10049] Call Trace:
[ 643.686494][T10049]
[ 643.686504][T10049] dump_stack_lvl+0xe8/0x150
[ 643.686539][T10049] sysfs_create_dir_ns+0x271/0x2a0
[ 643.686570][T10049] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 643.686607][T10049] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 643.686641][T10049] ? rt_spin_unlock+0x160/0x200
[ 643.686680][T10049] kobject_add_internal+0x631/0xd10
[ 643.686722][T10049] kobject_init_and_add+0x12b/0x1a0
[ 643.686762][T10049] ? __pfx_kobject_init_and_add+0x10/0x10
[ 643.686802][T10049] ? __raw_spin_lock_init+0x45/0x100
[ 643.686840][T10049] ? __init_swait_queue_head+0xa9/0x150
[ 643.686880][T10049] gfs2_sys_fs_add+0x257/0x480
[ 643.686910][T10049] ? is_dynamic_key+0x1ac/0x1c0
[ 643.686935][T10049] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 643.686983][T10049] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 643.687022][T10049] gfs2_fill_super+0x141c/0x2220
[ 643.687063][T10049] ? __pfx_gfs2_fill_super+0x10/0x10
[ 643.687087][T10049] ? rt_spin_unlock+0x14f/0x200
[ 643.687128][T10049] ? sb_set_blocksize+0x11b/0x210
[ 643.687156][T10049] ? setup_bdev_super+0x4c1/0x5b0
[ 643.687195][T10049] get_tree_bdev_flags+0x431/0x4f0
[ 643.687231][T10049] ? __pfx_gfs2_fill_super+0x10/0x10
[ 643.687257][T10049] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 643.687290][T10049] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 643.687337][T10049] gfs2_get_tree+0x51/0x1e0
[ 643.687375][T10049] vfs_get_tree+0x92/0x2a0
[ 643.687415][T10049] do_new_mount+0x341/0xd30
[ 643.687442][T10049] ? apparmor_capable+0x126/0x170
[ 643.687476][T10049] ? __pfx_do_new_mount+0x10/0x10
[ 643.687505][T10049] ? ns_capable+0x89/0xe0
[ 643.687543][T10049] ? user_path_at+0xd4/0x160
[ 643.687580][T10049] ? user_path_at+0xd4/0x160
[ 643.687614][T10049] __se_sys_mount+0x31d/0x420
[ 643.687650][T10049] ? __pfx___se_sys_mount+0x10/0x10
[ 643.687684][T10049] ? __x64_sys_mount+0x20/0xc0
[ 643.687712][T10049] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 643.687736][T10049] do_syscall_64+0x15f/0xf80
[ 643.687764][T10049] ? trace_irq_disable+0x3b/0x140
[ 643.687799][T10049] ? clear_bhb_loop+0x40/0x90
[ 643.687828][T10049] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 643.687851][T10049] RIP: 0033:0x7fa65595546a
[ 643.687873][T10049] 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
[ 643.687893][T10049] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 643.687917][T10049] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
executing program
[ 643.687936][T10049] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 643.687954][T10049] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 643.687971][T10049] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 643.687986][T10049] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 643.688022][T10049]
[ 643.688116][T10049] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 643.688136][T10049] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 644.121390][ T9769] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
[ 644.452516][T10052] loop4: detected capacity change from 0 to 32768
[ 644.502735][T10052] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 644.502761][T10052] CPU: 0 UID: 0 PID: 10052 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 644.502789][T10052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 644.502804][T10052] Call Trace:
[ 644.502813][T10052]
[ 644.502823][T10052] dump_stack_lvl+0xe8/0x150
[ 644.502860][T10052] sysfs_create_dir_ns+0x271/0x2a0
[ 644.502891][T10052] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 644.502930][T10052] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 644.502974][T10052] ? rt_spin_unlock+0x160/0x200
[ 644.503013][T10052] kobject_add_internal+0x631/0xd10
[ 644.503058][T10052] kobject_init_and_add+0x12b/0x1a0
[ 644.503099][T10052] ? __pfx_kobject_init_and_add+0x10/0x10
[ 644.503136][T10052] ? __raw_spin_lock_init+0x45/0x100
[ 644.503173][T10052] ? __init_swait_queue_head+0xa9/0x150
[ 644.503215][T10052] gfs2_sys_fs_add+0x257/0x480
[ 644.503246][T10052] ? is_dynamic_key+0x1ac/0x1c0
[ 644.503272][T10052] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 644.503312][T10052] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 644.503354][T10052] gfs2_fill_super+0x141c/0x2220
[ 644.503397][T10052] ? __pfx_gfs2_fill_super+0x10/0x10
[ 644.503421][T10052] ? rt_spin_unlock+0x14f/0x200
[ 644.503462][T10052] ? sb_set_blocksize+0x11b/0x210
[ 644.503490][T10052] ? setup_bdev_super+0x4c1/0x5b0
[ 644.503530][T10052] get_tree_bdev_flags+0x431/0x4f0
[ 644.503567][T10052] ? __pfx_gfs2_fill_super+0x10/0x10
[ 644.503592][T10052] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 644.503625][T10052] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 644.503670][T10052] gfs2_get_tree+0x51/0x1e0
[ 644.503699][T10052] vfs_get_tree+0x92/0x2a0
[ 644.503738][T10052] do_new_mount+0x341/0xd30
[ 644.503764][T10052] ? apparmor_capable+0x126/0x170
[ 644.503798][T10052] ? __pfx_do_new_mount+0x10/0x10
[ 644.503827][T10052] ? ns_capable+0x89/0xe0
[ 644.503865][T10052] ? user_path_at+0xd4/0x160
[ 644.503902][T10052] ? user_path_at+0xd4/0x160
[ 644.503937][T10052] __se_sys_mount+0x31d/0x420
[ 644.503982][T10052] ? __pfx___se_sys_mount+0x10/0x10
[ 644.504019][T10052] ? __x64_sys_mount+0x20/0xc0
[ 644.504048][T10052] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 644.504074][T10052] do_syscall_64+0x15f/0xf80
[ 644.504100][T10052] ? trace_irq_disable+0x3b/0x140
[ 644.504137][T10052] ? clear_bhb_loop+0x40/0x90
[ 644.504166][T10052] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 644.504190][T10052] RIP: 0033:0x7fa65595546a
executing program
[ 644.504213][T10052] 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
[ 644.504234][T10052] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 644.504260][T10052] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 644.504278][T10052] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 644.504296][T10052] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 644.504313][T10052] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 644.504329][T10052] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 644.504364][T10052]
[ 644.504395][T10052] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 644.504415][T10052] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 644.948267][ T9769] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 645.308953][T10055] loop0: detected capacity change from 0 to 32768
[ 645.337074][T10055] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 645.337103][T10055] CPU: 1 UID: 0 PID: 10055 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 645.337133][T10055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 645.337151][T10055] Call Trace:
[ 645.337161][T10055]
[ 645.337173][T10055] dump_stack_lvl+0xe8/0x150
[ 645.337220][T10055] sysfs_create_dir_ns+0x271/0x2a0
[ 645.337256][T10055] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 645.337299][T10055] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 645.337337][T10055] ? rt_spin_unlock+0x160/0x200
[ 645.337381][T10055] kobject_add_internal+0x631/0xd10
[ 645.337430][T10055] kobject_init_and_add+0x12b/0x1a0
[ 645.337473][T10055] ? __pfx_kobject_init_and_add+0x10/0x10
[ 645.337512][T10055] ? __raw_spin_lock_init+0x45/0x100
[ 645.337552][T10055] ? __init_swait_queue_head+0xa9/0x150
[ 645.337597][T10055] gfs2_sys_fs_add+0x257/0x480
[ 645.337631][T10055] ? is_dynamic_key+0x1ac/0x1c0
[ 645.337660][T10055] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 645.337706][T10055] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 645.337752][T10055] gfs2_fill_super+0x141c/0x2220
[ 645.337800][T10055] ? __pfx_gfs2_fill_super+0x10/0x10
[ 645.337826][T10055] ? rt_spin_unlock+0x14f/0x200
[ 645.338034][T10055] ? sb_set_blocksize+0x11b/0x210
[ 645.338062][T10055] ? setup_bdev_super+0x4c1/0x5b0
[ 645.338102][T10055] get_tree_bdev_flags+0x431/0x4f0
[ 645.338138][T10055] ? __pfx_gfs2_fill_super+0x10/0x10
[ 645.338162][T10055] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 645.338195][T10055] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 645.338237][T10055] gfs2_get_tree+0x51/0x1e0
[ 645.338263][T10055] vfs_get_tree+0x92/0x2a0
[ 645.338299][T10055] do_new_mount+0x341/0xd30
[ 645.338333][T10055] ? apparmor_capable+0x126/0x170
[ 645.338365][T10055] ? __pfx_do_new_mount+0x10/0x10
[ 645.338394][T10055] ? ns_capable+0x89/0xe0
[ 645.338432][T10055] ? user_path_at+0xd4/0x160
[ 645.338469][T10055] ? user_path_at+0xd4/0x160
[ 645.338503][T10055] __se_sys_mount+0x31d/0x420
[ 645.338538][T10055] ? __pfx___se_sys_mount+0x10/0x10
[ 645.338572][T10055] ? __x64_sys_mount+0x20/0xc0
[ 645.338598][T10055] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 645.338624][T10055] do_syscall_64+0x15f/0xf80
[ 645.338650][T10055] ? trace_irq_disable+0x3b/0x140
[ 645.338693][T10055] ? clear_bhb_loop+0x40/0x90
[ 645.338722][T10055] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 645.338745][T10055] RIP: 0033:0x7fa65595546a
[ 645.338767][T10055] 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
[ 645.338787][T10055] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 645.338811][T10055] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 645.338829][T10055] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 645.338846][T10055] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 645.338862][T10055] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 645.338886][T10055] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 645.338927][T10055]
[ 645.338957][T10055] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 645.338976][T10055] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 645.900250][ T9769] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 647.187095][ T9135] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 566
[ 647.187137][ T9135] CPU: 0 UID: 0 PID: 9135 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 647.187166][ T9135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 647.187177][ T9135] Call Trace:
[ 647.187184][ T9135]
[ 647.187192][ T9135] dump_stack_lvl+0xe8/0x150
[ 647.187220][ T9135] gfs2_assert_warn_i+0x194/0x2c0
[ 647.187244][ T9135] gfs2_make_fs_ro+0x30d/0x320
[ 647.187266][ T9135] ? __pfx_gfs2_make_fs_ro+0x10/0x10
[ 647.187287][ T9135] ? __pfx_autoremove_wake_function+0x10/0x10
[ 647.187318][ T9135] ? flush_work+0xd/0x30
[ 647.187336][ T9135] gfs2_put_super+0x235/0x870
[ 647.187360][ T9135] ? __pfx_gfs2_put_super+0x10/0x10
[ 647.187379][ T9135] generic_shutdown_super+0x13d/0x2d0
[ 647.187403][ T9135] kill_block_super+0x44/0x90
[ 647.187427][ T9135] deactivate_locked_super+0xbc/0x130
[ 647.187449][ T9135] cleanup_mnt+0x437/0x4d0
[ 647.187471][ T9135] ? _raw_spin_unlock_irq+0x23/0x50
[ 647.187493][ T9135] task_work_run+0x1d9/0x270
[ 647.187513][ T9135] ? __pfx_task_work_run+0x10/0x10
[ 647.187539][ T9135] exit_to_user_mode_loop+0xf3/0x4d0
[ 647.187554][ T9135] ? rcu_is_watching+0x15/0xb0
[ 647.187574][ T9135] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 647.187591][ T9135] do_syscall_64+0x33e/0xf80
[ 647.187609][ T9135] ? trace_irq_disable+0x3b/0x140
[ 647.187633][ T9135] ? clear_bhb_loop+0x40/0x90
[ 647.187652][ T9135] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 647.187668][ T9135] RIP: 0033:0x7fa655955437
[ 647.187683][ T9135] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 647.187697][ T9135] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 647.187714][ T9135] RAX: 0000000000000000 RBX: 000000000000000b RCX: 00007fa655955437
executing program
[ 647.187733][ T9135] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 647.187743][ T9135] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 647.187760][ T9135] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 647.187771][ T9135] R13: 00005555887de980 R14: 0000000000000061 R15: 0000000000000009
[ 647.187794][ T9135]
[ 647.827732][T10058] loop2: detected capacity change from 0 to 32768
[ 647.856880][T10058] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 647.856902][T10058] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 647.906360][ T9135] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[ 647.939055][T10058] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 647.943843][ T821] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 647.943864][ T821] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
executing program
[ 648.105955][ T821] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 162ms
[ 648.117100][ T821] gfs2: fsid=syz:syz.0: jid=0: Done
[ 648.117213][T10058] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 648.270346][T10058] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 648.395017][T10062] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 648.395062][T10062] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 648.395098][T10062] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:10062 [gfs2_quotad/syz] gfs2_quota_sync+0x370/0x470
[ 648.395147][T10062] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 648.395181][T10062] CPU: 0 UID: 0 PID: 10062 Comm: gfs2_quotad/syz Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 648.395207][T10062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 648.395223][T10062] Call Trace:
[ 648.395233][T10062]
[ 648.395244][T10062] dump_stack_lvl+0xe8/0x150
[ 648.395279][T10062] gfs2_withdraw+0xc3/0x1b0
[ 648.395311][T10062] inode_go_instantiate+0xe69/0x12a0
[ 648.395347][T10062] ? __pfx_inode_go_instantiate+0x10/0x10
[ 648.395371][T10062] ? rt_spin_unlock+0x160/0x200
[ 648.395419][T10062] gfs2_instantiate+0x168/0x220
[ 648.395450][T10062] gfs2_glock_wait+0x1d7/0x2a0
[ 648.395482][T10062] do_sync+0x49a/0xcb0
[ 648.395515][T10062] ? gfs2_quota_sync+0x370/0x470
[ 648.395558][T10062] ? __pfx_do_sync+0x10/0x10
[ 648.395611][T10062] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 648.395668][T10062] ? gfs2_quota_sync+0x370/0x470
[ 648.395701][T10062] ? rt_spin_unlock+0x14f/0x200
[ 648.395741][T10062] ? rt_spin_unlock+0x160/0x200
[ 648.395781][T10062] gfs2_quota_sync+0x370/0x470
[ 648.395827][T10062] gfs2_quotad+0x2b9/0x6e0
[ 648.395875][T10062] ? __pfx_gfs2_quotad+0x10/0x10
[ 648.395918][T10062] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 648.395958][T10062] ? __kthread_parkme+0x7a/0x1f0
[ 648.396025][T10062] kthread+0x388/0x470
[ 648.396058][T10062] ? __pfx_gfs2_quotad+0x10/0x10
[ 648.396100][T10062] ? __pfx_kthread+0x10/0x10
[ 648.396128][T10062] ret_from_fork+0x514/0xb70
[ 648.396161][T10062] ? __pfx_ret_from_fork+0x10/0x10
[ 648.396207][T10062] ? __switch_to+0xc79/0x1410
[ 648.396236][T10062] ? __pfx_kthread+0x10/0x10
[ 648.396264][T10062] ret_from_fork_asm+0x1a/0x30
[ 648.396314][T10062]
[ 648.400612][T10062] gfs2: fsid=syz:syz.0: about to withdraw this file system
executing program
[ 648.743061][T10063] loop1: detected capacity change from 0 to 32768
[ 648.813081][T10063] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 648.813133][T10063] CPU: 0 UID: 0 PID: 10063 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 648.813163][T10063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 648.813185][T10063] Call Trace:
[ 648.813195][T10063]
[ 648.813205][T10063] dump_stack_lvl+0xe8/0x150
[ 648.813241][T10063] sysfs_create_dir_ns+0x271/0x2a0
[ 648.813273][T10063] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 648.813312][T10063] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 648.813347][T10063] ? rt_spin_unlock+0x160/0x200
[ 648.813383][T10063] kobject_add_internal+0x631/0xd10
[ 648.813425][T10063] kobject_init_and_add+0x12b/0x1a0
[ 648.813464][T10063] ? __pfx_kobject_init_and_add+0x10/0x10
[ 648.813498][T10063] ? __raw_spin_lock_init+0x45/0x100
[ 648.813535][T10063] ? __init_swait_queue_head+0xa9/0x150
[ 648.813573][T10063] gfs2_sys_fs_add+0x257/0x480
[ 648.813603][T10063] ? is_dynamic_key+0x1ac/0x1c0
[ 648.813630][T10063] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 648.813671][T10063] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 648.813713][T10063] gfs2_fill_super+0x141c/0x2220
[ 648.813756][T10063] ? __pfx_gfs2_fill_super+0x10/0x10
[ 648.813780][T10063] ? rt_spin_unlock+0x14f/0x200
[ 648.813828][T10063] ? sb_set_blocksize+0x11b/0x210
[ 648.813857][T10063] ? setup_bdev_super+0x4c1/0x5b0
[ 648.813896][T10063] get_tree_bdev_flags+0x431/0x4f0
[ 648.813933][T10063] ? __pfx_gfs2_fill_super+0x10/0x10
[ 648.813959][T10063] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 648.813993][T10063] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 648.814038][T10063] gfs2_get_tree+0x51/0x1e0
[ 648.814067][T10063] vfs_get_tree+0x92/0x2a0
[ 648.814104][T10063] do_new_mount+0x341/0xd30
[ 648.814132][T10063] ? apparmor_capable+0x126/0x170
[ 648.814165][T10063] ? __pfx_do_new_mount+0x10/0x10
[ 648.814195][T10063] ? ns_capable+0x89/0xe0
[ 648.814232][T10063] ? user_path_at+0xd4/0x160
[ 648.814269][T10063] ? user_path_at+0xd4/0x160
[ 648.814304][T10063] __se_sys_mount+0x31d/0x420
[ 648.814339][T10063] ? __pfx___se_sys_mount+0x10/0x10
[ 648.814376][T10063] ? __x64_sys_mount+0x20/0xc0
[ 648.814403][T10063] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 648.814431][T10063] do_syscall_64+0x15f/0xf80
[ 648.814459][T10063] ? trace_irq_disable+0x3b/0x140
[ 648.814495][T10063] ? clear_bhb_loop+0x40/0x90
[ 648.814523][T10063] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 648.814548][T10063] RIP: 0033:0x7fa65595546a
[ 648.814571][T10063] 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
[ 648.814590][T10063] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 648.814615][T10063] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 648.814632][T10063] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 648.814650][T10063] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 648.814666][T10063] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 648.814681][T10063] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 648.814715][T10063]
[ 648.814746][T10063] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 648.814764][T10063] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 649.360300][ T9769] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[ 649.468676][T10066] loop3: detected capacity change from 0 to 32768
[ 649.510659][T10066] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 649.510686][T10066] CPU: 0 UID: 0 PID: 10066 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 649.510714][T10066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 649.510738][T10066] Call Trace:
[ 649.510748][T10066]
[ 649.510759][T10066] dump_stack_lvl+0xe8/0x150
[ 649.510796][T10066] sysfs_create_dir_ns+0x271/0x2a0
[ 649.510826][T10066] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 649.510881][T10066] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 649.510915][T10066] ? rt_spin_unlock+0x160/0x200
[ 649.510954][T10066] kobject_add_internal+0x631/0xd10
[ 649.510997][T10066] kobject_init_and_add+0x12b/0x1a0
[ 649.511038][T10066] ? __pfx_kobject_init_and_add+0x10/0x10
[ 649.511080][T10066] ? __raw_spin_lock_init+0x45/0x100
[ 649.511116][T10066] ? __init_swait_queue_head+0xa9/0x150
[ 649.511155][T10066] gfs2_sys_fs_add+0x257/0x480
[ 649.511187][T10066] ? is_dynamic_key+0x1ac/0x1c0
[ 649.511213][T10066] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 649.511254][T10066] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 649.511297][T10066] gfs2_fill_super+0x141c/0x2220
[ 649.511338][T10066] ? __pfx_gfs2_fill_super+0x10/0x10
[ 649.511362][T10066] ? rt_spin_unlock+0x14f/0x200
[ 649.511401][T10066] ? sb_set_blocksize+0x11b/0x210
[ 649.511428][T10066] ? setup_bdev_super+0x4c1/0x5b0
[ 649.511467][T10066] get_tree_bdev_flags+0x431/0x4f0
[ 649.511504][T10066] ? __pfx_gfs2_fill_super+0x10/0x10
[ 649.511529][T10066] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 649.511563][T10066] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 649.511610][T10066] gfs2_get_tree+0x51/0x1e0
[ 649.511639][T10066] vfs_get_tree+0x92/0x2a0
[ 649.511676][T10066] do_new_mount+0x341/0xd30
[ 649.511703][T10066] ? apparmor_capable+0x126/0x170
[ 649.511738][T10066] ? __pfx_do_new_mount+0x10/0x10
[ 649.511766][T10066] ? ns_capable+0x89/0xe0
[ 649.511804][T10066] ? user_path_at+0xd4/0x160
[ 649.511841][T10066] ? user_path_at+0xd4/0x160
[ 649.511881][T10066] __se_sys_mount+0x31d/0x420
[ 649.511918][T10066] ? __pfx___se_sys_mount+0x10/0x10
[ 649.511957][T10066] ? __x64_sys_mount+0x20/0xc0
[ 649.511986][T10066] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 649.512012][T10066] do_syscall_64+0x15f/0xf80
[ 649.512054][T10066] ? trace_irq_disable+0x3b/0x140
[ 649.512097][T10066] ? clear_bhb_loop+0x40/0x90
[ 649.512127][T10066] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 649.512150][T10066] RIP: 0033:0x7fa65595546a
[ 649.512173][T10066] 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
executing program
executing program
[ 649.512193][T10066] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 649.512217][T10066] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 649.512236][T10066] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 649.512253][T10066] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 649.512269][T10066] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 649.512283][T10066] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 649.512318][T10066]
[ 649.512365][T10066] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 649.512384][T10066] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 650.403538][T10069] loop4: detected capacity change from 0 to 32768
[ 650.427393][T10070] loop0: detected capacity change from 0 to 32768
[ 650.496625][T10069] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 650.496652][T10069] CPU: 1 UID: 0 PID: 10069 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 650.496678][T10069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 650.496691][T10069] Call Trace:
[ 650.496700][T10069]
[ 650.496710][T10069] dump_stack_lvl+0xe8/0x150
[ 650.496757][T10069] sysfs_create_dir_ns+0x271/0x2a0
[ 650.496787][T10069] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 650.496827][T10069] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 650.496861][T10069] ? rt_spin_unlock+0x160/0x200
[ 650.496908][T10069] kobject_add_internal+0x631/0xd10
[ 650.496950][T10069] kobject_init_and_add+0x12b/0x1a0
[ 650.496988][T10069] ? __pfx_kobject_init_and_add+0x10/0x10
[ 650.497024][T10069] ? __raw_spin_lock_init+0x45/0x100
[ 650.497061][T10069] ? __init_swait_queue_head+0xa9/0x150
[ 650.497102][T10069] gfs2_sys_fs_add+0x257/0x480
[ 650.497133][T10069] ? is_dynamic_key+0x1ac/0x1c0
[ 650.497158][T10069] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 650.497205][T10069] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 650.497247][T10069] gfs2_fill_super+0x141c/0x2220
[ 650.497287][T10069] ? __pfx_gfs2_fill_super+0x10/0x10
[ 650.497311][T10069] ? rt_spin_unlock+0x14f/0x200
[ 650.497351][T10069] ? sb_set_blocksize+0x11b/0x210
[ 650.497377][T10069] ? setup_bdev_super+0x4c1/0x5b0
[ 650.497416][T10069] get_tree_bdev_flags+0x431/0x4f0
[ 650.497452][T10069] ? __pfx_gfs2_fill_super+0x10/0x10
[ 650.497478][T10069] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 650.497510][T10069] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 650.497557][T10069] gfs2_get_tree+0x51/0x1e0
[ 650.497585][T10069] vfs_get_tree+0x92/0x2a0
[ 650.497623][T10069] do_new_mount+0x341/0xd30
[ 650.497649][T10069] ? apparmor_capable+0x126/0x170
[ 650.497684][T10069] ? __pfx_do_new_mount+0x10/0x10
[ 650.497712][T10069] ? ns_capable+0x89/0xe0
[ 650.497758][T10069] ? user_path_at+0xd4/0x160
[ 650.497795][T10069] ? user_path_at+0xd4/0x160
[ 650.497829][T10069] __se_sys_mount+0x31d/0x420
[ 650.497865][T10069] ? __pfx___se_sys_mount+0x10/0x10
[ 650.497902][T10069] ? __x64_sys_mount+0x20/0xc0
[ 650.497930][T10069] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 650.497957][T10069] do_syscall_64+0x15f/0xf80
[ 650.497984][T10069] ? trace_irq_disable+0x3b/0x140
[ 650.498018][T10069] ? clear_bhb_loop+0x40/0x90
[ 650.498047][T10069] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 650.498071][T10069] RIP: 0033:0x7fa65595546a
[ 650.498094][T10069] 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
[ 650.498114][T10069] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 650.498139][T10069] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 650.498157][T10069] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 650.498174][T10069] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 650.498190][T10069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 650.498206][T10069] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 650.498240][T10069]
[ 650.498328][T10069] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 650.498347][T10069] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 650.506475][T10070] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 650.506498][T10070] CPU: 0 UID: 0 PID: 10070 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 650.506522][T10070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 650.506534][T10070] Call Trace:
[ 650.506541][T10070]
[ 650.506550][T10070] dump_stack_lvl+0xe8/0x150
[ 650.506583][T10070] sysfs_create_dir_ns+0x271/0x2a0
[ 650.506612][T10070] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 650.506648][T10070] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 650.506681][T10070] ? rt_spin_unlock+0x160/0x200
[ 650.506718][T10070] kobject_add_internal+0x631/0xd10
[ 650.506760][T10070] kobject_init_and_add+0x12b/0x1a0
[ 650.506803][T10070] ? __pfx_kobject_init_and_add+0x10/0x10
[ 650.506838][T10070] ? __raw_spin_lock_init+0x45/0x100
[ 650.506875][T10070] ? __init_swait_queue_head+0xa9/0x150
[ 650.506914][T10070] gfs2_sys_fs_add+0x257/0x480
[ 650.506945][T10070] ? is_dynamic_key+0x1ac/0x1c0
[ 650.506970][T10070] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 650.507012][T10070] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 650.507053][T10070] gfs2_fill_super+0x141c/0x2220
[ 650.507097][T10070] ? __pfx_gfs2_fill_super+0x10/0x10
[ 650.507121][T10070] ? rt_spin_unlock+0x14f/0x200
[ 650.507159][T10070] ? sb_set_blocksize+0x11b/0x210
[ 650.507186][T10070] ? setup_bdev_super+0x4c1/0x5b0
[ 650.507227][T10070] get_tree_bdev_flags+0x431/0x4f0
[ 650.507266][T10070] ? __pfx_gfs2_fill_super+0x10/0x10
[ 650.507289][T10070] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 650.507321][T10070] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 650.507366][T10070] gfs2_get_tree+0x51/0x1e0
[ 650.507394][T10070] vfs_get_tree+0x92/0x2a0
[ 650.507433][T10070] do_new_mount+0x341/0xd30
[ 650.507459][T10070] ? apparmor_capable+0x126/0x170
[ 650.507504][T10070] ? __pfx_do_new_mount+0x10/0x10
[ 650.507533][T10070] ? ns_capable+0x89/0xe0
[ 650.507570][T10070] ? user_path_at+0xd4/0x160
[ 650.507607][T10070] ? user_path_at+0xd4/0x160
[ 650.507642][T10070] __se_sys_mount+0x31d/0x420
[ 650.507676][T10070] ? __pfx___se_sys_mount+0x10/0x10
[ 650.507711][T10070] ? __x64_sys_mount+0x20/0xc0
[ 650.507738][T10070] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 650.507764][T10070] do_syscall_64+0x15f/0xf80
[ 650.507790][T10070] ? trace_irq_disable+0x3b/0x140
[ 650.507824][T10070] ? clear_bhb_loop+0x40/0x90
[ 650.507852][T10070] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 650.507874][T10070] RIP: 0033:0x7fa65595546a
[ 650.507896][T10070] 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
[ 650.507916][T10070] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 650.507940][T10070] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 650.507958][T10070] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 650.507974][T10070] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 650.507989][T10070] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 650.508005][T10070] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 650.508039][T10070]
[ 650.508112][T10070] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 650.508131][T10070] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 650.510411][T10070] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 650.629311][T10069] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 651.461755][ T9635] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
executing program
[ 653.524784][T10075] loop1: detected capacity change from 0 to 32768
[ 653.544229][ T5737] gfs2: fsid=syz:syz.0: file system withdrawn
[ 653.551814][T10075] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 653.551840][T10075] CPU: 0 UID: 0 PID: 10075 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 653.551866][T10075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 653.551881][T10075] Call Trace:
[ 653.551891][T10075]
[ 653.551901][T10075] dump_stack_lvl+0xe8/0x150
[ 653.551936][T10075] sysfs_create_dir_ns+0x271/0x2a0
[ 653.551967][T10075] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 653.552005][T10075] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 653.552038][T10075] ? rt_spin_unlock+0x160/0x200
[ 653.552076][T10075] kobject_add_internal+0x631/0xd10
[ 653.552120][T10075] kobject_init_and_add+0x12b/0x1a0
[ 653.552160][T10075] ? __pfx_kobject_init_and_add+0x10/0x10
[ 653.552196][T10075] ? __raw_spin_lock_init+0x45/0x100
[ 653.552246][T10075] ? __init_swait_queue_head+0xa9/0x150
[ 653.552286][T10075] gfs2_sys_fs_add+0x257/0x480
[ 653.552317][T10075] ? is_dynamic_key+0x1ac/0x1c0
[ 653.552352][T10075] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 653.552395][T10075] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 653.552437][T10075] gfs2_fill_super+0x141c/0x2220
[ 653.552481][T10075] ? __pfx_gfs2_fill_super+0x10/0x10
[ 653.552506][T10075] ? rt_spin_unlock+0x14f/0x200
[ 653.552546][T10075] ? sb_set_blocksize+0x11b/0x210
[ 653.552574][T10075] ? setup_bdev_super+0x4c1/0x5b0
[ 653.552613][T10075] get_tree_bdev_flags+0x431/0x4f0
[ 653.552648][T10075] ? __pfx_gfs2_fill_super+0x10/0x10
[ 653.552673][T10075] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 653.552707][T10075] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 653.552754][T10075] gfs2_get_tree+0x51/0x1e0
[ 653.552784][T10075] vfs_get_tree+0x92/0x2a0
[ 653.552821][T10075] do_new_mount+0x341/0xd30
[ 653.552848][T10075] ? apparmor_capable+0x126/0x170
[ 653.552882][T10075] ? __pfx_do_new_mount+0x10/0x10
[ 653.552910][T10075] ? ns_capable+0x89/0xe0
[ 653.552946][T10075] ? user_path_at+0xd4/0x160
[ 653.552981][T10075] ? user_path_at+0xd4/0x160
[ 653.553011][T10075] __se_sys_mount+0x31d/0x420
[ 653.553043][T10075] ? __pfx___se_sys_mount+0x10/0x10
[ 653.553075][T10075] ? __x64_sys_mount+0x20/0xc0
[ 653.553101][T10075] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 653.553126][T10075] do_syscall_64+0x15f/0xf80
[ 653.553151][T10075] ? trace_irq_disable+0x3b/0x140
[ 653.553185][T10075] ? clear_bhb_loop+0x40/0x90
[ 653.553213][T10075] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 653.553246][T10075] RIP: 0033:0x7fa65595546a
[ 653.553268][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
[ 653.553288][T10075] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 653.553312][T10075] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 653.553330][T10075] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 653.553347][T10075] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 653.553363][T10075] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 653.553379][T10075] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 653.553414][T10075]
executing program
[ 653.553446][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.
[ 653.553465][T10075] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 654.104022][ T9769] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[ 654.444724][T10078] loop3: detected capacity change from 0 to 32768
[ 654.465486][T10078] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 654.465509][T10078] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 654.533645][ T9133] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[ 654.600234][T10078] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 654.612364][ T37] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 654.612384][ T37] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 654.668768][ T37] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 56ms
[ 654.671717][ T37] gfs2: fsid=syz:syz.0: jid=0: Done
[ 654.671833][T10078] gfs2: fsid=syz:syz.0: first mount done, others may mount
executing program
[ 654.818702][T10078] gfs2: fsid=syz:syz.0: found 1 quota changes
executing program
executing program
[ 655.337158][T10083] loop2: detected capacity change from 0 to 32768
[ 655.510210][T10084] loop4: detected capacity change from 0 to 32768
[ 655.609292][T10083] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 655.609319][T10083] CPU: 0 UID: 0 PID: 10083 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 655.609346][T10083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 655.609361][T10083] Call Trace:
[ 655.609370][T10083]
[ 655.609381][T10083] dump_stack_lvl+0xe8/0x150
[ 655.609423][T10083] sysfs_create_dir_ns+0x271/0x2a0
[ 655.609460][T10083] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 655.609500][T10083] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 655.609534][T10083] ? rt_spin_unlock+0x160/0x200
[ 655.609573][T10083] kobject_add_internal+0x631/0xd10
[ 655.609617][T10083] kobject_init_and_add+0x12b/0x1a0
[ 655.609658][T10083] ? __pfx_kobject_init_and_add+0x10/0x10
[ 655.609695][T10083] ? __raw_spin_lock_init+0x45/0x100
[ 655.609733][T10083] ? __init_swait_queue_head+0xa9/0x150
[ 655.609772][T10083] gfs2_sys_fs_add+0x257/0x480
[ 655.609803][T10083] ? is_dynamic_key+0x1ac/0x1c0
[ 655.609829][T10083] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 655.609872][T10083] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 655.609915][T10083] gfs2_fill_super+0x141c/0x2220
[ 655.609958][T10083] ? __pfx_gfs2_fill_super+0x10/0x10
[ 655.609982][T10083] ? rt_spin_unlock+0x14f/0x200
[ 655.610023][T10083] ? sb_set_blocksize+0x11b/0x210
[ 655.610050][T10083] ? setup_bdev_super+0x4c1/0x5b0
[ 655.610091][T10083] get_tree_bdev_flags+0x431/0x4f0
[ 655.610129][T10083] ? __pfx_gfs2_fill_super+0x10/0x10
[ 655.610154][T10083] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 655.610188][T10083] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 655.610235][T10083] gfs2_get_tree+0x51/0x1e0
[ 655.610270][T10083] vfs_get_tree+0x92/0x2a0
[ 655.610309][T10083] do_new_mount+0x341/0xd30
[ 655.610337][T10083] ? apparmor_capable+0x126/0x170
[ 655.610372][T10083] ? __pfx_do_new_mount+0x10/0x10
[ 655.610400][T10083] ? ns_capable+0x89/0xe0
[ 655.610438][T10083] ? user_path_at+0xd4/0x160
[ 655.610474][T10083] ? user_path_at+0xd4/0x160
[ 655.610509][T10083] __se_sys_mount+0x31d/0x420
[ 655.610545][T10083] ? __pfx___se_sys_mount+0x10/0x10
[ 655.610581][T10083] ? __x64_sys_mount+0x20/0xc0
[ 655.610610][T10083] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 655.610636][T10083] do_syscall_64+0x15f/0xf80
[ 655.610664][T10083] ? trace_irq_disable+0x3b/0x140
[ 655.610700][T10083] ? clear_bhb_loop+0x40/0x90
[ 655.610730][T10083] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 655.610753][T10083] RIP: 0033:0x7fa65595546a
[ 655.610775][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
[ 655.610795][T10083] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 655.610820][T10083] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 655.610838][T10083] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 655.610855][T10083] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 655.610871][T10083] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 655.610886][T10083] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 655.610922][T10083]
[ 655.610977][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.
[ 655.610996][T10083] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 655.677867][T10084] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 655.677892][T10084] CPU: 0 UID: 0 PID: 10084 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 655.677919][T10084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 655.677933][T10084] Call Trace:
[ 655.677943][T10084]
[ 655.677952][T10084] dump_stack_lvl+0xe8/0x150
[ 655.677989][T10084] sysfs_create_dir_ns+0x271/0x2a0
[ 655.678020][T10084] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 655.678060][T10084] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 655.678095][T10084] ? rt_spin_unlock+0x160/0x200
[ 655.678132][T10084] kobject_add_internal+0x631/0xd10
[ 655.678174][T10084] kobject_init_and_add+0x12b/0x1a0
[ 655.678216][T10084] ? __pfx_kobject_init_and_add+0x10/0x10
[ 655.678261][T10084] ? __raw_spin_lock_init+0x45/0x100
[ 655.678298][T10084] ? __init_swait_queue_head+0xa9/0x150
[ 655.678339][T10084] gfs2_sys_fs_add+0x257/0x480
[ 655.678370][T10084] ? is_dynamic_key+0x1ac/0x1c0
[ 655.678395][T10084] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 655.678437][T10084] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 655.678478][T10084] gfs2_fill_super+0x141c/0x2220
[ 655.678521][T10084] ? __pfx_gfs2_fill_super+0x10/0x10
[ 655.678544][T10084] ? rt_spin_unlock+0x14f/0x200
[ 655.678583][T10084] ? sb_set_blocksize+0x11b/0x210
[ 655.678611][T10084] ? setup_bdev_super+0x4c1/0x5b0
[ 655.678650][T10084] get_tree_bdev_flags+0x431/0x4f0
[ 655.678688][T10084] ? __pfx_gfs2_fill_super+0x10/0x10
[ 655.678714][T10084] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 655.678749][T10084] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 655.678797][T10084] gfs2_get_tree+0x51/0x1e0
[ 655.678826][T10084] vfs_get_tree+0x92/0x2a0
[ 655.678864][T10084] do_new_mount+0x341/0xd30
[ 655.678890][T10084] ? apparmor_capable+0x126/0x170
[ 655.678924][T10084] ? __pfx_do_new_mount+0x10/0x10
[ 655.678952][T10084] ? ns_capable+0x89/0xe0
[ 655.678991][T10084] ? user_path_at+0xd4/0x160
[ 655.679028][T10084] ? user_path_at+0xd4/0x160
[ 655.679064][T10084] __se_sys_mount+0x31d/0x420
[ 655.679101][T10084] ? __pfx___se_sys_mount+0x10/0x10
[ 655.679137][T10084] ? __x64_sys_mount+0x20/0xc0
[ 655.679165][T10084] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 655.679191][T10084] do_syscall_64+0x15f/0xf80
[ 655.679220][T10084] ? trace_irq_disable+0x3b/0x140
[ 655.679263][T10084] ? clear_bhb_loop+0x40/0x90
[ 655.679292][T10084] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 655.679317][T10084] RIP: 0033:0x7fa65595546a
[ 655.679339][T10084] 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
[ 655.679359][T10084] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 655.679384][T10084] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 655.679401][T10084] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 655.679418][T10084] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 655.679435][T10084] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 655.679451][T10084] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 655.679486][T10084]
[ 655.679516][T10084] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 655.679533][T10084] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 655.774923][T10084] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 655.936176][T10085] loop0: detected capacity change from 0 to 32768
[ 655.975437][T10085] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 655.975464][T10085] CPU: 0 UID: 0 PID: 10085 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 655.975492][T10085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 655.975507][T10085] Call Trace:
[ 655.975517][T10085]
[ 655.975526][T10085] dump_stack_lvl+0xe8/0x150
[ 655.975562][T10085] sysfs_create_dir_ns+0x271/0x2a0
[ 655.975594][T10085] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 655.975631][T10085] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 655.975665][T10085] ? rt_spin_unlock+0x160/0x200
[ 655.975703][T10085] kobject_add_internal+0x631/0xd10
[ 655.975747][T10085] kobject_init_and_add+0x12b/0x1a0
[ 655.975787][T10085] ? __pfx_kobject_init_and_add+0x10/0x10
[ 655.975841][T10085] ? __raw_spin_lock_init+0x45/0x100
[ 655.975879][T10085] ? __init_swait_queue_head+0xa9/0x150
[ 655.975919][T10085] gfs2_sys_fs_add+0x257/0x480
[ 655.975950][T10085] ? is_dynamic_key+0x1ac/0x1c0
[ 655.975976][T10085] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 655.976018][T10085] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 655.976061][T10085] gfs2_fill_super+0x141c/0x2220
[ 655.976105][T10085] ? __pfx_gfs2_fill_super+0x10/0x10
[ 655.976128][T10085] ? rt_spin_unlock+0x14f/0x200
[ 655.976168][T10085] ? sb_set_blocksize+0x11b/0x210
[ 655.976195][T10085] ? setup_bdev_super+0x4c1/0x5b0
[ 655.976242][T10085] get_tree_bdev_flags+0x431/0x4f0
[ 655.976280][T10085] ? __pfx_gfs2_fill_super+0x10/0x10
[ 655.976306][T10085] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 655.976339][T10085] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 655.976386][T10085] gfs2_get_tree+0x51/0x1e0
[ 655.976415][T10085] vfs_get_tree+0x92/0x2a0
[ 655.976452][T10085] do_new_mount+0x341/0xd30
[ 655.976478][T10085] ? apparmor_capable+0x126/0x170
[ 655.976512][T10085] ? __pfx_do_new_mount+0x10/0x10
[ 655.976541][T10085] ? ns_capable+0x89/0xe0
[ 655.976578][T10085] ? user_path_at+0xd4/0x160
[ 655.976613][T10085] ? user_path_at+0xd4/0x160
[ 655.976645][T10085] __se_sys_mount+0x31d/0x420
[ 655.976678][T10085] ? __pfx___se_sys_mount+0x10/0x10
[ 655.976714][T10085] ? __x64_sys_mount+0x20/0xc0
[ 655.976740][T10085] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 655.976765][T10085] do_syscall_64+0x15f/0xf80
[ 655.976796][T10085] ? trace_irq_disable+0x3b/0x140
[ 655.976830][T10085] ? clear_bhb_loop+0x40/0x90
[ 655.976858][T10085] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 655.976881][T10085] RIP: 0033:0x7fa65595546a
[ 655.976903][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
[ 655.976923][T10085] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 655.976949][T10085] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 655.976968][T10085] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 655.976984][T10085] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 655.977000][T10085] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 655.977016][T10085] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 655.977052][T10085]
[ 655.977124][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.
[ 655.977144][T10085] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 655.998978][T10085] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 657.008802][ T9769] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[ 657.751525][ T5705] Bluetooth: hci0: command 0x0406 tx timeout
[ 657.751570][ T5705] Bluetooth: hci1: command 0x0406 tx timeout
[ 657.751595][ T5705] Bluetooth: hci4: command 0x0406 tx timeout
[ 657.751618][ T5705] Bluetooth: hci3: command 0x0406 tx timeout
[ 657.751642][ T5705] Bluetooth: hci2: command 0x0406 tx timeout
executing program
[ 658.556183][T10094] loop1: detected capacity change from 0 to 32768
[ 658.579265][T10094] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 658.579291][T10094] CPU: 0 UID: 0 PID: 10094 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 658.579317][T10094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 658.579331][T10094] Call Trace:
[ 658.579341][T10094]
[ 658.579350][T10094] dump_stack_lvl+0xe8/0x150
[ 658.579385][T10094] sysfs_create_dir_ns+0x271/0x2a0
[ 658.579414][T10094] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 658.579444][T10094] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 658.579481][T10094] ? rt_spin_unlock+0x160/0x200
[ 658.579511][T10094] kobject_add_internal+0x631/0xd10
[ 658.579545][T10094] kobject_init_and_add+0x12b/0x1a0
[ 658.579576][T10094] ? __pfx_kobject_init_and_add+0x10/0x10
[ 658.579603][T10094] ? __raw_spin_lock_init+0x45/0x100
[ 658.579633][T10094] ? __init_swait_queue_head+0xa9/0x150
[ 658.579665][T10094] gfs2_sys_fs_add+0x257/0x480
[ 658.579690][T10094] ? is_dynamic_key+0x1ac/0x1c0
[ 658.579709][T10094] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 658.579742][T10094] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 658.579774][T10094] gfs2_fill_super+0x141c/0x2220
[ 658.579815][T10094] ? __pfx_gfs2_fill_super+0x10/0x10
[ 658.579833][T10094] ? rt_spin_unlock+0x14f/0x200
[ 658.579864][T10094] ? sb_set_blocksize+0x11b/0x210
[ 658.579884][T10094] ? setup_bdev_super+0x4c1/0x5b0
[ 658.579916][T10094] get_tree_bdev_flags+0x431/0x4f0
[ 658.579944][T10094] ? __pfx_gfs2_fill_super+0x10/0x10
[ 658.579964][T10094] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 658.579989][T10094] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 658.580025][T10094] gfs2_get_tree+0x51/0x1e0
[ 658.580048][T10094] vfs_get_tree+0x92/0x2a0
[ 658.580079][T10094] do_new_mount+0x341/0xd30
[ 658.580099][T10094] ? apparmor_capable+0x126/0x170
[ 658.580126][T10094] ? __pfx_do_new_mount+0x10/0x10
[ 658.580147][T10094] ? ns_capable+0x89/0xe0
[ 658.580177][T10094] ? user_path_at+0xd4/0x160
[ 658.580205][T10094] ? user_path_at+0xd4/0x160
[ 658.580231][T10094] __se_sys_mount+0x31d/0x420
[ 658.580258][T10094] ? __pfx___se_sys_mount+0x10/0x10
[ 658.580289][T10094] ? __x64_sys_mount+0x20/0xc0
[ 658.580311][T10094] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 658.580331][T10094] do_syscall_64+0x15f/0xf80
[ 658.580352][T10094] ? trace_irq_disable+0x3b/0x140
[ 658.580380][T10094] ? clear_bhb_loop+0x40/0x90
[ 658.580403][T10094] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 658.580421][T10094] RIP: 0033:0x7fa65595546a
[ 658.580438][T10094] 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
[ 658.580454][T10094] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 658.580474][T10094] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 658.580488][T10094] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 658.580501][T10094] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 658.580514][T10094] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 658.580525][T10094] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 658.580552][T10094]
[ 658.580582][T10094] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 658.580600][T10094] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 658.932173][ T9769] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[ 659.123938][ T9137] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 659.123982][ T9137] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 659.124015][ T9137] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9137 [syz-executor163] gfs2_quota_sync+0x370/0x470
[ 659.124065][ T9137] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 659.124097][ T9137] CPU: 1 UID: 0 PID: 9137 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 659.124124][ T9137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 659.124138][ T9137] Call Trace:
[ 659.124148][ T9137]
[ 659.124158][ T9137] dump_stack_lvl+0xe8/0x150
[ 659.124191][ T9137] gfs2_withdraw+0xc3/0x1b0
[ 659.124218][ T9137] inode_go_instantiate+0xe69/0x12a0
[ 659.124251][ T9137] ? __pfx_inode_go_instantiate+0x10/0x10
[ 659.124273][ T9137] ? rt_spin_unlock+0x160/0x200
[ 659.124319][ T9137] gfs2_instantiate+0x168/0x220
[ 659.124348][ T9137] gfs2_glock_wait+0x1d7/0x2a0
[ 659.124380][ T9137] do_sync+0x49a/0xcb0
[ 659.124411][ T9137] ? gfs2_quota_sync+0x370/0x470
[ 659.124452][ T9137] ? __pfx_do_sync+0x10/0x10
[ 659.124486][ T9137] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 659.124532][ T9137] ? gfs2_quota_sync+0x370/0x470
[ 659.124563][ T9137] ? rt_spin_unlock+0x14f/0x200
[ 659.124604][ T9137] ? rt_spin_unlock+0x160/0x200
[ 659.124643][ T9137] gfs2_quota_sync+0x370/0x470
[ 659.124688][ T9137] gfs2_sync_fs+0x4c/0xb0
[ 659.124721][ T9137] sync_filesystem+0xed/0x250
[ 659.124758][ T9137] generic_shutdown_super+0x77/0x2d0
[ 659.124793][ T9137] kill_block_super+0x44/0x90
[ 659.124829][ T9137] deactivate_locked_super+0xbc/0x130
[ 659.124863][ T9137] cleanup_mnt+0x437/0x4d0
[ 659.124898][ T9137] ? _raw_spin_unlock_irq+0x23/0x50
[ 659.124937][ T9137] task_work_run+0x1d9/0x270
[ 659.124968][ T9137] ? __pfx_task_work_run+0x10/0x10
[ 659.125008][ T9137] exit_to_user_mode_loop+0xf3/0x4d0
[ 659.125031][ T9137] ? rcu_is_watching+0x15/0xb0
[ 659.125059][ T9137] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 659.125085][ T9137] do_syscall_64+0x33e/0xf80
[ 659.125113][ T9137] ? trace_irq_disable+0x3b/0x140
[ 659.125149][ T9137] ? clear_bhb_loop+0x40/0x90
[ 659.125179][ T9137] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 659.125203][ T9137] RIP: 0033:0x7fa655955437
[ 659.125225][ T9137] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 659.125245][ T9137] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 659.125270][ T9137] RAX: 0000000000000000 RBX: 0000000000000012 RCX: 00007fa655955437
[ 659.125285][ T9137] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 659.125301][ T9137] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 659.125317][ T9137] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 659.125333][ T9137] R13: 00005555887de980 R14: 0000000000000064 R15: 0000000000000010
[ 659.125368][ T9137]
[ 659.125390][ T9137] gfs2: fsid=syz:syz.0: about to withdraw this file system
executing program
executing program
executing program
[ 660.319430][T10097] loop2: detected capacity change from 0 to 32768
[ 660.490487][T10098] loop4: detected capacity change from 0 to 32768
[ 660.585761][T10097] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 660.585789][T10097] CPU: 0 UID: 0 PID: 10097 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 660.585825][T10097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 660.585840][T10097] Call Trace:
[ 660.585849][T10097]
[ 660.585859][T10097] dump_stack_lvl+0xe8/0x150
[ 660.585896][T10097] sysfs_create_dir_ns+0x271/0x2a0
[ 660.585926][T10097] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 660.585963][T10097] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 660.585998][T10097] ? rt_spin_unlock+0x160/0x200
[ 660.586035][T10097] kobject_add_internal+0x631/0xd10
[ 660.586081][T10097] kobject_init_and_add+0x12b/0x1a0
[ 660.586121][T10097] ? __pfx_kobject_init_and_add+0x10/0x10
[ 660.586158][T10097] ? __raw_spin_lock_init+0x45/0x100
[ 660.586197][T10097] ? __init_swait_queue_head+0xa9/0x150
[ 660.586237][T10097] gfs2_sys_fs_add+0x257/0x480
[ 660.586268][T10097] ? is_dynamic_key+0x1ac/0x1c0
[ 660.586293][T10097] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 660.586335][T10097] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 660.586376][T10097] gfs2_fill_super+0x141c/0x2220
[ 660.586419][T10097] ? __pfx_gfs2_fill_super+0x10/0x10
[ 660.586443][T10097] ? rt_spin_unlock+0x14f/0x200
[ 660.586484][T10097] ? sb_set_blocksize+0x11b/0x210
[ 660.586511][T10097] ? setup_bdev_super+0x4c1/0x5b0
[ 660.586550][T10097] get_tree_bdev_flags+0x431/0x4f0
[ 660.586587][T10097] ? __pfx_gfs2_fill_super+0x10/0x10
[ 660.586612][T10097] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 660.586646][T10097] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 660.586693][T10097] gfs2_get_tree+0x51/0x1e0
[ 660.586723][T10097] vfs_get_tree+0x92/0x2a0
[ 660.586763][T10097] do_new_mount+0x341/0xd30
[ 660.586793][T10097] ? apparmor_capable+0x126/0x170
[ 660.586830][T10097] ? __pfx_do_new_mount+0x10/0x10
[ 660.586858][T10097] ? ns_capable+0x89/0xe0
[ 660.586896][T10097] ? user_path_at+0xd4/0x160
[ 660.586932][T10097] ? user_path_at+0xd4/0x160
[ 660.586966][T10097] __se_sys_mount+0x31d/0x420
[ 660.587003][T10097] ? __pfx___se_sys_mount+0x10/0x10
[ 660.587039][T10097] ? __x64_sys_mount+0x20/0xc0
[ 660.587067][T10097] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 660.587093][T10097] do_syscall_64+0x15f/0xf80
[ 660.587120][T10097] ? trace_irq_disable+0x3b/0x140
[ 660.587155][T10097] ? clear_bhb_loop+0x40/0x90
[ 660.587184][T10097] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 660.587208][T10097] RIP: 0033:0x7fa65595546a
[ 660.587231][T10097] 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
[ 660.587251][T10097] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 660.587276][T10097] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 660.587293][T10097] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 660.587311][T10097] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 660.587327][T10097] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 660.587342][T10097] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 660.587377][T10097]
[ 660.587448][T10097] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 660.587467][T10097] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 660.726977][T10098] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 660.727002][T10098] CPU: 0 UID: 0 PID: 10098 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 660.727030][T10098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 660.727045][T10098] Call Trace:
[ 660.727054][T10098]
[ 660.727064][T10098] dump_stack_lvl+0xe8/0x150
[ 660.727101][T10098] sysfs_create_dir_ns+0x271/0x2a0
[ 660.727134][T10098] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 660.727171][T10098] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 660.727205][T10098] ? rt_spin_unlock+0x160/0x200
[ 660.727243][T10098] kobject_add_internal+0x631/0xd10
[ 660.727286][T10098] kobject_init_and_add+0x12b/0x1a0
[ 660.727327][T10098] ? __pfx_kobject_init_and_add+0x10/0x10
[ 660.727364][T10098] ? __raw_spin_lock_init+0x45/0x100
[ 660.727402][T10098] ? __init_swait_queue_head+0xa9/0x150
[ 660.727443][T10098] gfs2_sys_fs_add+0x257/0x480
[ 660.727475][T10098] ? is_dynamic_key+0x1ac/0x1c0
[ 660.727501][T10098] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 660.727544][T10098] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 660.727586][T10098] gfs2_fill_super+0x141c/0x2220
[ 660.727630][T10098] ? __pfx_gfs2_fill_super+0x10/0x10
[ 660.727655][T10098] ? rt_spin_unlock+0x14f/0x200
[ 660.727695][T10098] ? sb_set_blocksize+0x11b/0x210
[ 660.727721][T10098] ? setup_bdev_super+0x4c1/0x5b0
[ 660.727762][T10098] get_tree_bdev_flags+0x431/0x4f0
[ 660.727800][T10098] ? __pfx_gfs2_fill_super+0x10/0x10
[ 660.727833][T10098] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 660.727868][T10098] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 660.727915][T10098] gfs2_get_tree+0x51/0x1e0
[ 660.727945][T10098] vfs_get_tree+0x92/0x2a0
[ 660.727984][T10098] do_new_mount+0x341/0xd30
[ 660.728011][T10098] ? apparmor_capable+0x126/0x170
[ 660.728046][T10098] ? __pfx_do_new_mount+0x10/0x10
[ 660.728076][T10098] ? ns_capable+0x89/0xe0
[ 660.728115][T10098] ? user_path_at+0xd4/0x160
[ 660.728150][T10098] ? user_path_at+0xd4/0x160
[ 660.728186][T10098] __se_sys_mount+0x31d/0x420
[ 660.728222][T10098] ? __pfx___se_sys_mount+0x10/0x10
[ 660.728259][T10098] ? __x64_sys_mount+0x20/0xc0
[ 660.728288][T10098] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 660.728315][T10098] do_syscall_64+0x15f/0xf80
[ 660.728343][T10098] ? trace_irq_disable+0x3b/0x140
[ 660.728379][T10098] ? clear_bhb_loop+0x40/0x90
[ 660.728408][T10098] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 660.728433][T10098] RIP: 0033:0x7fa65595546a
[ 660.728456][T10098] 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
[ 660.728477][T10098] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 660.728502][T10098] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 660.728520][T10098] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 660.728538][T10098] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 660.728554][T10098] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 660.728569][T10098] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 660.728605][T10098]
[ 660.728637][T10098] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 660.728655][T10098] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 660.796220][T10098] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 660.916566][T10099] loop0: detected capacity change from 0 to 32768
[ 661.018159][T10099] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 661.018185][T10099] CPU: 1 UID: 0 PID: 10099 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 661.018213][T10099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 661.018228][T10099] Call Trace:
[ 661.018236][T10099]
[ 661.018246][T10099] dump_stack_lvl+0xe8/0x150
[ 661.018283][T10099] sysfs_create_dir_ns+0x271/0x2a0
[ 661.018315][T10099] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 661.018354][T10099] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 661.018387][T10099] ? rt_spin_unlock+0x160/0x200
[ 661.018425][T10099] kobject_add_internal+0x631/0xd10
[ 661.018470][T10099] kobject_init_and_add+0x12b/0x1a0
[ 661.018509][T10099] ? __pfx_kobject_init_and_add+0x10/0x10
[ 661.018544][T10099] ? __raw_spin_lock_init+0x45/0x100
[ 661.018582][T10099] ? __init_swait_queue_head+0xa9/0x150
[ 661.018630][T10099] gfs2_sys_fs_add+0x257/0x480
[ 661.018661][T10099] ? is_dynamic_key+0x1ac/0x1c0
[ 661.018687][T10099] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 661.018726][T10099] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 661.018767][T10099] gfs2_fill_super+0x141c/0x2220
[ 661.018810][T10099] ? __pfx_gfs2_fill_super+0x10/0x10
[ 661.018834][T10099] ? rt_spin_unlock+0x14f/0x200
[ 661.018873][T10099] ? sb_set_blocksize+0x11b/0x210
[ 661.018900][T10099] ? setup_bdev_super+0x4c1/0x5b0
[ 661.018938][T10099] get_tree_bdev_flags+0x431/0x4f0
[ 661.018976][T10099] ? __pfx_gfs2_fill_super+0x10/0x10
[ 661.019001][T10099] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 661.019035][T10099] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 661.019088][T10099] gfs2_get_tree+0x51/0x1e0
[ 661.019117][T10099] vfs_get_tree+0x92/0x2a0
[ 661.019153][T10099] do_new_mount+0x341/0xd30
[ 661.019179][T10099] ? apparmor_capable+0x126/0x170
[ 661.019213][T10099] ? __pfx_do_new_mount+0x10/0x10
[ 661.019242][T10099] ? ns_capable+0x89/0xe0
[ 661.019279][T10099] ? user_path_at+0xd4/0x160
[ 661.019315][T10099] ? user_path_at+0xd4/0x160
[ 661.019349][T10099] __se_sys_mount+0x31d/0x420
[ 661.019385][T10099] ? __pfx___se_sys_mount+0x10/0x10
[ 661.019422][T10099] ? __x64_sys_mount+0x20/0xc0
[ 661.019450][T10099] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 661.019476][T10099] do_syscall_64+0x15f/0xf80
[ 661.019504][T10099] ? trace_irq_disable+0x3b/0x140
[ 661.019540][T10099] ? clear_bhb_loop+0x40/0x90
[ 661.019568][T10099] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 661.019593][T10099] RIP: 0033:0x7fa65595546a
[ 661.019623][T10099] 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
[ 661.019643][T10099] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 661.019669][T10099] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 661.019687][T10099] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 661.019704][T10099] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 661.019721][T10099] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 661.019737][T10099] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 661.019786][T10099]
[ 661.019815][T10099] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 661.019834][T10099] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 661.026217][T10099] __loop_clr_fd(loop0) clearing lo_backing_file (refcnt=0x0)
[ 661.884059][ T9769] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
executing program
[ 663.579212][T10106] loop1: detected capacity change from 0 to 32768
[ 663.621802][T10106] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 663.621829][T10106] CPU: 1 UID: 0 PID: 10106 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 663.621857][T10106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 663.621872][T10106] Call Trace:
[ 663.621882][T10106]
[ 663.621892][T10106] dump_stack_lvl+0xe8/0x150
[ 663.621929][T10106] sysfs_create_dir_ns+0x271/0x2a0
[ 663.621959][T10106] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 663.621995][T10106] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 663.622028][T10106] ? rt_spin_unlock+0x160/0x200
[ 663.622067][T10106] kobject_add_internal+0x631/0xd10
[ 663.622110][T10106] kobject_init_and_add+0x12b/0x1a0
[ 663.622150][T10106] ? __pfx_kobject_init_and_add+0x10/0x10
[ 663.622185][T10106] ? __raw_spin_lock_init+0x45/0x100
[ 663.622222][T10106] ? __init_swait_queue_head+0xa9/0x150
[ 663.622262][T10106] gfs2_sys_fs_add+0x257/0x480
[ 663.622293][T10106] ? is_dynamic_key+0x1ac/0x1c0
[ 663.622319][T10106] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 663.622360][T10106] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 663.622409][T10106] gfs2_fill_super+0x141c/0x2220
[ 663.622453][T10106] ? __pfx_gfs2_fill_super+0x10/0x10
[ 663.622478][T10106] ? rt_spin_unlock+0x14f/0x200
[ 663.622518][T10106] ? sb_set_blocksize+0x11b/0x210
[ 663.622544][T10106] ? setup_bdev_super+0x4c1/0x5b0
[ 663.622584][T10106] get_tree_bdev_flags+0x431/0x4f0
[ 663.622621][T10106] ? __pfx_gfs2_fill_super+0x10/0x10
[ 663.622647][T10106] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 663.622678][T10106] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 663.622725][T10106] gfs2_get_tree+0x51/0x1e0
[ 663.622754][T10106] vfs_get_tree+0x92/0x2a0
[ 663.622790][T10106] do_new_mount+0x341/0xd30
[ 663.622822][T10106] ? apparmor_capable+0x126/0x170
[ 663.622856][T10106] ? __pfx_do_new_mount+0x10/0x10
[ 663.622883][T10106] ? ns_capable+0x89/0xe0
[ 663.622919][T10106] ? user_path_at+0xd4/0x160
[ 663.622956][T10106] ? user_path_at+0xd4/0x160
[ 663.622989][T10106] __se_sys_mount+0x31d/0x420
[ 663.623023][T10106] ? __pfx___se_sys_mount+0x10/0x10
[ 663.623057][T10106] ? __x64_sys_mount+0x20/0xc0
[ 663.623085][T10106] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 663.623112][T10106] do_syscall_64+0x15f/0xf80
[ 663.623138][T10106] ? trace_irq_disable+0x3b/0x140
[ 663.623174][T10106] ? clear_bhb_loop+0x40/0x90
[ 663.623202][T10106] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 663.623225][T10106] RIP: 0033:0x7fa65595546a
[ 663.623246][T10106] 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
[ 663.623265][T10106] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 663.623290][T10106] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 663.623307][T10106] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 663.623325][T10106] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 663.623341][T10106] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 663.623357][T10106] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 663.623392][T10106]
[ 663.623450][T10106] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 663.623469][T10106] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 664.041947][ T9769] __loop_clr_fd(loop1) clearing lo_backing_file (refcnt=0x0)
[ 664.147537][ T9137] gfs2: fsid=syz:syz.0: warning: assertion "gfs2_log_is_empty(sdp)" failed - function = gfs2_make_fs_ro, file = fs/gfs2/super.c, line = 566
[ 664.147577][ T9137] CPU: 1 UID: 0 PID: 9137 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 664.147604][ T9137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 664.147619][ T9137] Call Trace:
[ 664.147629][ T9137]
[ 664.147639][ T9137] dump_stack_lvl+0xe8/0x150
[ 664.147676][ T9137] gfs2_assert_warn_i+0x194/0x2c0
[ 664.147712][ T9137] gfs2_make_fs_ro+0x30d/0x320
[ 664.147747][ T9137] ? __pfx_gfs2_make_fs_ro+0x10/0x10
[ 664.147778][ T9137] ? __pfx_autoremove_wake_function+0x10/0x10
[ 664.147826][ T9137] ? flush_work+0xd/0x30
[ 664.147865][ T9137] gfs2_put_super+0x235/0x870
[ 664.147902][ T9137] ? __pfx_gfs2_put_super+0x10/0x10
[ 664.147933][ T9137] generic_shutdown_super+0x13d/0x2d0
[ 664.147969][ T9137] kill_block_super+0x44/0x90
[ 664.148005][ T9137] deactivate_locked_super+0xbc/0x130
[ 664.148039][ T9137] cleanup_mnt+0x437/0x4d0
[ 664.148073][ T9137] ? _raw_spin_unlock_irq+0x23/0x50
[ 664.148106][ T9137] task_work_run+0x1d9/0x270
[ 664.148138][ T9137] ? __pfx_task_work_run+0x10/0x10
[ 664.148177][ T9137] exit_to_user_mode_loop+0xf3/0x4d0
[ 664.148200][ T9137] ? rcu_is_watching+0x15/0xb0
[ 664.148230][ T9137] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 664.148256][ T9137] do_syscall_64+0x33e/0xf80
[ 664.148284][ T9137] ? trace_irq_disable+0x3b/0x140
[ 664.148320][ T9137] ? clear_bhb_loop+0x40/0x90
[ 664.148349][ T9137] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 664.148380][ T9137] RIP: 0033:0x7fa655955437
[ 664.148402][ T9137] Code: a2 c7 05 68 0a 0b 00 00 00 00 00 eb 96 e8 c1 08 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8
[ 664.148422][ T9137] RSP: 002b:00007ffe1c50a0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 664.148447][ T9137] RAX: 0000000000000000 RBX: 0000000000000012 RCX: 00007fa655955437
[ 664.148463][ T9137] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c50a170
[ 664.148477][ T9137] RBP: 00007ffe1c50a170 R08: 00007ffe1c50b170 R09: 00000000ffffffff
[ 664.148494][ T9137] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe1c50b1e0
[ 664.148509][ T9137] R13: 00005555887de980 R14: 0000000000000064 R15: 0000000000000010
[ 664.148544][ T9137]
[ 664.542660][ T9137] __loop_clr_fd(loop3) clearing lo_backing_file (refcnt=0x0)
executing program
[ 664.990685][T10109] loop3: detected capacity change from 0 to 32768
executing program
[ 665.022837][T10109] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 665.022860][T10109] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
executing program
[ 665.111604][T10109] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 665.127269][ T5737] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 665.127291][ T5737] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 665.574578][T10113] loop4: detected capacity change from 0 to 32768
[ 665.635917][T10112] loop2: detected capacity change from 0 to 32768
[ 665.663544][T10113] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 665.663569][T10113] CPU: 0 UID: 0 PID: 10113 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 665.663597][T10113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 665.663611][T10113] Call Trace:
[ 665.663620][T10113]
[ 665.663629][T10113] dump_stack_lvl+0xe8/0x150
[ 665.663666][T10113] sysfs_create_dir_ns+0x271/0x2a0
[ 665.663697][T10113] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 665.663732][T10113] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 665.663767][T10113] ? rt_spin_unlock+0x160/0x200
[ 665.663806][T10113] kobject_add_internal+0x631/0xd10
[ 665.663849][T10113] kobject_init_and_add+0x12b/0x1a0
[ 665.663887][T10113] ? __pfx_kobject_init_and_add+0x10/0x10
[ 665.663924][T10113] ? __raw_spin_lock_init+0x45/0x100
[ 665.663966][T10113] ? __init_swait_queue_head+0xa9/0x150
[ 665.664005][T10113] gfs2_sys_fs_add+0x257/0x480
[ 665.664037][T10113] ? is_dynamic_key+0x1ac/0x1c0
[ 665.664063][T10113] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 665.664105][T10113] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 665.664147][T10113] gfs2_fill_super+0x141c/0x2220
[ 665.664199][T10113] ? __pfx_gfs2_fill_super+0x10/0x10
[ 665.664222][T10113] ? rt_spin_unlock+0x14f/0x200
[ 665.664263][T10113] ? sb_set_blocksize+0x11b/0x210
[ 665.664291][T10113] ? setup_bdev_super+0x4c1/0x5b0
[ 665.664331][T10113] get_tree_bdev_flags+0x431/0x4f0
[ 665.664369][T10113] ? __pfx_gfs2_fill_super+0x10/0x10
[ 665.664393][T10113] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 665.664428][T10113] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 665.664473][T10113] gfs2_get_tree+0x51/0x1e0
[ 665.664502][T10113] vfs_get_tree+0x92/0x2a0
[ 665.664541][T10113] do_new_mount+0x341/0xd30
[ 665.664565][T10113] ? apparmor_capable+0x126/0x170
[ 665.664598][T10113] ? __pfx_do_new_mount+0x10/0x10
[ 665.664627][T10113] ? ns_capable+0x89/0xe0
[ 665.664662][T10113] ? user_path_at+0xd4/0x160
[ 665.664700][T10113] ? user_path_at+0xd4/0x160
[ 665.664734][T10113] __se_sys_mount+0x31d/0x420
[ 665.664769][T10113] ? __pfx___se_sys_mount+0x10/0x10
[ 665.664802][T10113] ? __x64_sys_mount+0x20/0xc0
[ 665.664828][T10113] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 665.664853][T10113] do_syscall_64+0x15f/0xf80
[ 665.664880][T10113] ? trace_irq_disable+0x3b/0x140
[ 665.664913][T10113] ? clear_bhb_loop+0x40/0x90
[ 665.664941][T10113] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 665.664964][T10113] RIP: 0033:0x7fa65595546a
[ 665.664985][T10113] 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
[ 665.665006][T10113] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 665.665029][T10113] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 665.665046][T10113] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 665.665062][T10113] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 665.665078][T10113] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 665.665092][T10113] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 665.665126][T10113]
[ 665.665182][T10113] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 665.665203][T10113] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 665.697343][T10112] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 665.697379][T10112] CPU: 1 UID: 0 PID: 10112 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 665.697402][T10112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 665.697415][T10112] Call Trace:
[ 665.697423][T10112]
[ 665.697434][T10112] dump_stack_lvl+0xe8/0x150
[ 665.697467][T10112] sysfs_create_dir_ns+0x271/0x2a0
[ 665.697497][T10112] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 665.697532][T10112] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 665.697563][T10112] ? rt_spin_unlock+0x160/0x200
[ 665.697602][T10112] kobject_add_internal+0x631/0xd10
executing program
[ 665.697643][T10112] kobject_init_and_add+0x12b/0x1a0
[ 665.697682][T10112] ? __pfx_kobject_init_and_add+0x10/0x10
[ 665.697717][T10112] ? __raw_spin_lock_init+0x45/0x100
[ 665.697752][T10112] ? __init_swait_queue_head+0xa9/0x150
[ 665.697792][T10112] gfs2_sys_fs_add+0x257/0x480
[ 665.697823][T10112] ? is_dynamic_key+0x1ac/0x1c0
[ 665.697849][T10112] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 665.697890][T10112] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 665.697947][T10112] gfs2_fill_super+0x141c/0x2220
[ 665.697991][T10112] ? __pfx_gfs2_fill_super+0x10/0x10
[ 665.698014][T10112] ? rt_spin_unlock+0x14f/0x200
[ 665.698053][T10112] ? sb_set_blocksize+0x11b/0x210
[ 665.698078][T10112] ? setup_bdev_super+0x4c1/0x5b0
[ 665.698116][T10112] get_tree_bdev_flags+0x431/0x4f0
[ 665.698153][T10112] ? __pfx_gfs2_fill_super+0x10/0x10
[ 665.698176][T10112] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 665.698209][T10112] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 665.698255][T10112] gfs2_get_tree+0x51/0x1e0
[ 665.698284][T10112] vfs_get_tree+0x92/0x2a0
[ 665.698322][T10112] do_new_mount+0x341/0xd30
[ 665.698348][T10112] ? apparmor_capable+0x126/0x170
[ 665.698389][T10112] ? __pfx_do_new_mount+0x10/0x10
[ 665.698420][T10113] __loop_clr_fd(loop4) clearing lo_backing_file (refcnt=0x0)
[ 665.698416][T10112] ? ns_capable+0x89/0xe0
[ 665.698457][T10112] ? user_path_at+0xd4/0x160
[ 665.698493][T10112] ? user_path_at+0xd4/0x160
[ 665.698526][T10112] __se_sys_mount+0x31d/0x420
[ 665.698562][T10112] ? __pfx___se_sys_mount+0x10/0x10
[ 665.698599][T10112] ? __x64_sys_mount+0x20/0xc0
[ 665.698627][T10112] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 665.698654][T10112] do_syscall_64+0x15f/0xf80
[ 665.698682][T10112] ? trace_irq_disable+0x3b/0x140
[ 665.698718][T10112] ? clear_bhb_loop+0x40/0x90
[ 665.698748][T10112] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 665.698771][T10112] RIP: 0033:0x7fa65595546a
[ 665.698793][T10112] 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
[ 665.698814][T10112] RSP: 002b:00007ffe1c50af48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 665.698839][T10112] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fa65595546a
[ 665.698857][T10112] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffe1c50afa0
[ 665.698873][T10112] RBP: 00002000000001c0 R08: 00007ffe1c50afe0 R09: 0000000000000000
[ 665.698890][T10112] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1c50afe0
[ 665.698905][T10112] R13: 00000000000125c7 R14: 00007ffe1c50afa0 R15: 0000000000000000
[ 665.698938][T10112]
[ 665.698986][T10112] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 665.699005][T10112] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 665.796206][T10112] __loop_clr_fd(loop2) clearing lo_backing_file (refcnt=0x0)
[ 666.634176][ T5737] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 1506ms
[ 666.634422][ T5737] gfs2: fsid=syz:syz.0: jid=0: Done
[ 666.634560][T10109] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 666.901920][T10118] loop0: detected capacity change from 0 to 32768
[ 666.940692][T10118] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 666.940721][T10118] CPU: 1 UID: 0 PID: 10118 Comm: syz-executor163 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 666.940749][T10118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 666.940763][T10118] Call Trace:
[ 666.940772][T10118]
[ 666.940782][T10118] dump_stack_lvl+0xe8/0x150
[ 666.940819][T10118] sysfs_create_dir_ns+0x271/0x2a0
[ 666.940851][T10118] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 666.940902][T10118] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 666.940937][T10118] ? rt_spin_unlock+0x160/0x200
[ 666.940977][T10118] kobject_add_internal+0x631/0xd10
[ 666.941029][T10118] kobject_init_and_add+0x12b/0x1a0
[ 666.941071][T10118] ? __pfx_kobject_init_and_add+0x10/0x10
[ 666.941107][T10118] ? __raw_spin_lock_init+0x45/0x100
[ 666.941146][T10118] ? __init_swait_queue_head+0xa9/0x150
[ 666.941187][T10118] gfs2_sys_fs_add+0x257/0x480
[ 666.941219][T10118] ? is_dynamic_key+0x1ac/0x1c0
[ 666.941245][T10118] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 666.941282][T10118] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 666.941317][T10118] gfs2_fill_super+0x141c/0x2220
[ 666.941362][T10118] ? __pfx_gfs2_fill_super+0x10/0x10
[ 666.941386][T10118] ? rt_spin_unlock+0x14f/0x200
[ 666.941426][T10118] ? sb_set_blocksize+0x11b/0x210
[ 666.941453][T10118] ? setup_bdev_super+0x4c1/0x5b0
[ 666.941494][T10118] get_tree_bdev_flags+0x431/0x4f0
[ 666.941531][T10118] ? __pfx_gfs2_fill_super+0x10/0x10
[ 666.941556][T10118] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 666.941591][T10118] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 666.941638][T10118] gfs2_get_tree+0x51/0x1e0
[ 666.941668][T10118] vfs_get_tree+0x92/0x2a0
[ 666.941708][T10118] do_new_mount+0x341/0xd30
[ 666.941736][T10118] ? apparmor_capable+0x126/0x170
[ 666.941770][T10118] ? __pfx_do_new_mount+0x10/0x10
[ 666.941799][T10118] ? ns_capable+0x89/0xe0
[ 666.941838][T10118] ? user_path_at+0xd4/0x160
[ 666.941875][T10118] ? user_path_at+0xd4/0x160
[ 666.941910][T10118] __se_sys_mount+0x31d/0x420
[ 666.941947][T10118] ? __pfx___se_sys_mount+0x10/0x10
[ 666.941985][T10118] ? __x64_sys_mount+0x20/0xc0
[ 666.942031][T10118] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 666.942058][T10118] do_syscall_64+0x15f/0xf80
[ 666.942085][T10118] ? trace_irq_disable+0x3b/0x140
[ 666.942121][T10118] ? clear_bhb_loop+0x40/0x90
[ 666.942150][T10118] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 666.942174][T10118] RIP: 0033:0x7fa65595546a
[ 666.942198][T10118] 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