: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 224.216542][ T6492] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 224.216558][ T6492] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 224.216574][ T6492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 224.216589][ T6492] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 224.216614][ T6492]
[ 224.216663][ T6492] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.216683][ T6492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.755507][ T6495] loop1: detected capacity change from 0 to 32768
[ 224.775451][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.775479][ T6495] CPU: 1 UID: 0 PID: 6495 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 224.775508][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 224.775522][ T6495] Call Trace:
[ 224.775532][ T6495]
[ 224.775542][ T6495] dump_stack_lvl+0xe8/0x150
[ 224.775580][ T6495] sysfs_create_dir_ns+0x271/0x2a0
[ 224.775605][ T6495] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 224.775635][ T6495] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 224.775661][ T6495] ? rt_spin_unlock+0x160/0x200
[ 224.775689][ T6495] kobject_add_internal+0x62c/0xce0
[ 224.775718][ T6495] kobject_init_and_add+0x12b/0x1a0
[ 224.775743][ T6495] ? rcu_is_watching+0x15/0xb0
[ 224.775766][ T6495] ? __pfx_kobject_init_and_add+0x10/0x10
[ 224.775792][ T6495] ? __raw_spin_lock_init+0x45/0x100
[ 224.775822][ T6495] ? __init_swait_queue_head+0xa8/0x150
[ 224.775851][ T6495] gfs2_sys_fs_add+0x257/0x480
[ 224.775876][ T6495] ? is_dynamic_key+0xa5/0x1c0
[ 224.775908][ T6495] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 224.775936][ T6495] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 224.775973][ T6495] gfs2_fill_super+0x1368/0x20f0
[ 224.776013][ T6495] ? __pfx_gfs2_fill_super+0x10/0x10
[ 224.776048][ T6495] ? sb_set_blocksize+0x11b/0x210
[ 224.776073][ T6495] ? setup_bdev_super+0x4c1/0x5b0
[ 224.776108][ T6495] get_tree_bdev_flags+0x430/0x4f0
[ 224.776142][ T6495] ? __pfx_gfs2_fill_super+0x10/0x10
[ 224.776175][ T6495] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 224.776213][ T6495] gfs2_get_tree+0x51/0x1e0
[ 224.776247][ T6495] vfs_get_tree+0x92/0x2a0
[ 224.776280][ T6495] do_new_mount+0x319/0xdc0
[ 224.776308][ T6495] ? __pfx_do_new_mount+0x10/0x10
[ 224.776335][ T6495] ? ns_capable+0x89/0xe0
[ 224.776358][ T6495] ? path_mount+0x647/0x1040
[ 224.776384][ T6495] ? user_path_at+0xd4/0x160
[ 224.776423][ T6495] __se_sys_mount+0x31d/0x420
[ 224.776452][ T6495] ? __pfx___se_sys_mount+0x10/0x10
[ 224.776479][ T6495] ? rcu_is_watching+0x15/0xb0
[ 224.776502][ T6495] ? __x64_sys_mount+0x20/0xc0
[ 224.776527][ T6495] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 224.776552][ T6495] do_syscall_64+0x174/0x580
[ 224.776586][ T6495] ? trace_irq_disable+0x3b/0x140
[ 224.776617][ T6495] ? clear_bhb_loop+0x40/0x90
[ 224.776645][ T6495] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 224.776669][ T6495] RIP: 0033:0x7feda925e0ca
[ 224.776690][ T6495] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 224.776712][ T6495] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.776741][ T6495] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 224.776759][ T6495] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 224.776776][ T6495] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 224.776791][ T6495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 224.776806][ T6495] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 224.776832][ T6495]
[ 224.776882][ T6495] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.776902][ T6495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.335114][ T6498] loop1: detected capacity change from 0 to 32768
[ 225.345648][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.345674][ T6498] CPU: 0 UID: 0 PID: 6498 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 225.345703][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 225.345717][ T6498] Call Trace:
[ 225.345729][ T6498]
[ 225.345739][ T6498] dump_stack_lvl+0xe8/0x150
[ 225.345775][ T6498] sysfs_create_dir_ns+0x271/0x2a0
[ 225.345801][ T6498] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 225.345831][ T6498] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 225.345858][ T6498] ? rt_spin_unlock+0x160/0x200
[ 225.345894][ T6498] kobject_add_internal+0x62c/0xce0
[ 225.345923][ T6498] kobject_init_and_add+0x12b/0x1a0
[ 225.345947][ T6498] ? rcu_is_watching+0x15/0xb0
[ 225.345972][ T6498] ? __pfx_kobject_init_and_add+0x10/0x10
[ 225.345998][ T6498] ? __raw_spin_lock_init+0x45/0x100
[ 225.346029][ T6498] ? __init_swait_queue_head+0xa8/0x150
[ 225.346058][ T6498] gfs2_sys_fs_add+0x257/0x480
[ 225.346084][ T6498] ? is_dynamic_key+0xa5/0x1c0
[ 225.346117][ T6498] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 225.346147][ T6498] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 225.346184][ T6498] gfs2_fill_super+0x1368/0x20f0
[ 225.346225][ T6498] ? __pfx_gfs2_fill_super+0x10/0x10
[ 225.346269][ T6498] ? sb_set_blocksize+0x11b/0x210
[ 225.346296][ T6498] ? setup_bdev_super+0x4c1/0x5b0
[ 225.346330][ T6498] get_tree_bdev_flags+0x430/0x4f0
[ 225.346364][ T6498] ? __pfx_gfs2_fill_super+0x10/0x10
[ 225.346397][ T6498] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 225.346436][ T6498] gfs2_get_tree+0x51/0x1e0
[ 225.346469][ T6498] vfs_get_tree+0x92/0x2a0
[ 225.346502][ T6498] do_new_mount+0x319/0xdc0
[ 225.346530][ T6498] ? __pfx_do_new_mount+0x10/0x10
[ 225.346555][ T6498] ? ns_capable+0x89/0xe0
[ 225.346579][ T6498] ? path_mount+0x647/0x1040
[ 225.346611][ T6498] ? user_path_at+0xd4/0x160
[ 225.346653][ T6498] __se_sys_mount+0x31d/0x420
[ 225.346683][ T6498] ? __pfx___se_sys_mount+0x10/0x10
[ 225.346711][ T6498] ? rcu_is_watching+0x15/0xb0
[ 225.346733][ T6498] ? __x64_sys_mount+0x20/0xc0
[ 225.346758][ T6498] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 225.346784][ T6498] do_syscall_64+0x174/0x580
[ 225.346818][ T6498] ? trace_irq_disable+0x3b/0x140
[ 225.346849][ T6498] ? clear_bhb_loop+0x40/0x90
[ 225.346877][ T6498] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 225.346901][ T6498] RIP: 0033:0x7feda925e0ca
[ 225.346922][ T6498] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 225.346944][ T6498] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.346969][ T6498] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 225.346986][ T6498] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 225.347003][ T6498] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 225.347018][ T6498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 225.347034][ T6498] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 225.347060][ T6498]
[ 225.348260][ T6498] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.348326][ T6498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.911291][ T6501] loop1: detected capacity change from 0 to 32768
[ 225.924194][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.924220][ T6501] CPU: 0 UID: 0 PID: 6501 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 225.924249][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 225.924263][ T6501] Call Trace:
[ 225.924271][ T6501]
[ 225.924281][ T6501] dump_stack_lvl+0xe8/0x150
[ 225.924317][ T6501] sysfs_create_dir_ns+0x271/0x2a0
[ 225.924351][ T6501] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 225.924380][ T6501] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 225.924405][ T6501] ? rt_spin_unlock+0x160/0x200
[ 225.924432][ T6501] kobject_add_internal+0x62c/0xce0
[ 225.924462][ T6501] kobject_init_and_add+0x12b/0x1a0
[ 225.924486][ T6501] ? rcu_is_watching+0x15/0xb0
[ 225.924510][ T6501] ? __pfx_kobject_init_and_add+0x10/0x10
[ 225.924536][ T6501] ? __raw_spin_lock_init+0x45/0x100
[ 225.924566][ T6501] ? __init_swait_queue_head+0xa8/0x150
[ 225.924593][ T6501] gfs2_sys_fs_add+0x257/0x480
[ 225.924618][ T6501] ? is_dynamic_key+0xa5/0x1c0
[ 225.924651][ T6501] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 225.924681][ T6501] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 225.924718][ T6501] gfs2_fill_super+0x1368/0x20f0
[ 225.924758][ T6501] ? __pfx_gfs2_fill_super+0x10/0x10
[ 225.924794][ T6501] ? sb_set_blocksize+0x11b/0x210
[ 225.924819][ T6501] ? setup_bdev_super+0x4c1/0x5b0
[ 225.924851][ T6501] get_tree_bdev_flags+0x430/0x4f0
[ 225.924885][ T6501] ? __pfx_gfs2_fill_super+0x10/0x10
[ 225.924918][ T6501] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 225.924957][ T6501] gfs2_get_tree+0x51/0x1e0
[ 225.924991][ T6501] vfs_get_tree+0x92/0x2a0
[ 225.925024][ T6501] do_new_mount+0x319/0xdc0
[ 225.925052][ T6501] ? __pfx_do_new_mount+0x10/0x10
[ 225.925078][ T6501] ? ns_capable+0x89/0xe0
[ 225.925101][ T6501] ? path_mount+0x647/0x1040
[ 225.925128][ T6501] ? user_path_at+0xd4/0x160
[ 225.925157][ T6501] __se_sys_mount+0x31d/0x420
[ 225.925186][ T6501] ? __pfx___se_sys_mount+0x10/0x10
[ 225.925214][ T6501] ? rcu_is_watching+0x15/0xb0
[ 225.925235][ T6501] ? __x64_sys_mount+0x20/0xc0
[ 225.925261][ T6501] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 225.925285][ T6501] do_syscall_64+0x174/0x580
[ 225.925320][ T6501] ? trace_irq_disable+0x3b/0x140
[ 225.925359][ T6501] ? clear_bhb_loop+0x40/0x90
[ 225.925387][ T6501] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 225.925411][ T6501] RIP: 0033:0x7feda925e0ca
[ 225.925432][ T6501] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 225.925457][ T6501] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.925482][ T6501] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 225.925499][ T6501] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 225.925515][ T6501] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 225.925531][ T6501] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 225.925545][ T6501] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 225.925570][ T6501]
[ 225.925614][ T6501] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.925634][ T6501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.487446][ T6504] loop1: detected capacity change from 0 to 32768
[ 226.491348][ T6504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.491374][ T6504] CPU: 1 UID: 0 PID: 6504 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 226.491401][ T6504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 226.491416][ T6504] Call Trace:
[ 226.491425][ T6504]
[ 226.491436][ T6504] dump_stack_lvl+0xe8/0x150
[ 226.491471][ T6504] sysfs_create_dir_ns+0x271/0x2a0
[ 226.491495][ T6504] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 226.491523][ T6504] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 226.491549][ T6504] ? rt_spin_unlock+0x160/0x200
[ 226.491574][ T6504] kobject_add_internal+0x62c/0xce0
[ 226.491601][ T6504] kobject_init_and_add+0x12b/0x1a0
[ 226.491623][ T6504] ? rcu_is_watching+0x15/0xb0
[ 226.491648][ T6504] ? __pfx_kobject_init_and_add+0x10/0x10
[ 226.491673][ T6504] ? __raw_spin_lock_init+0x45/0x100
[ 226.491701][ T6504] ? __init_swait_queue_head+0xa8/0x150
2026/06/16 08:58:24 executed programs: 197
[ 226.491729][ T6504] gfs2_sys_fs_add+0x257/0x480
[ 226.491767][ T6504] ? is_dynamic_key+0xa5/0x1c0
[ 226.491798][ T6504] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 226.491827][ T6504] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 226.491862][ T6504] gfs2_fill_super+0x1368/0x20f0
[ 226.491903][ T6504] ? __pfx_gfs2_fill_super+0x10/0x10
[ 226.491938][ T6504] ? sb_set_blocksize+0x11b/0x210
[ 226.491962][ T6504] ? setup_bdev_super+0x4c1/0x5b0
[ 226.491998][ T6504] get_tree_bdev_flags+0x430/0x4f0
[ 226.492030][ T6504] ? __pfx_gfs2_fill_super+0x10/0x10
[ 226.492062][ T6504] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 226.492100][ T6504] gfs2_get_tree+0x51/0x1e0
[ 226.492133][ T6504] vfs_get_tree+0x92/0x2a0
[ 226.492165][ T6504] do_new_mount+0x319/0xdc0
[ 226.492193][ T6504] ? __pfx_do_new_mount+0x10/0x10
[ 226.492218][ T6504] ? ns_capable+0x89/0xe0
[ 226.492240][ T6504] ? path_mount+0x647/0x1040
[ 226.492266][ T6504] ? user_path_at+0xd4/0x160
[ 226.492307][ T6504] __se_sys_mount+0x31d/0x420
[ 226.492335][ T6504] ? __pfx___se_sys_mount+0x10/0x10
[ 226.492363][ T6504] ? rcu_is_watching+0x15/0xb0
[ 226.492385][ T6504] ? __x64_sys_mount+0x20/0xc0
[ 226.492409][ T6504] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 226.492434][ T6504] do_syscall_64+0x174/0x580
[ 226.492468][ T6504] ? trace_irq_disable+0x3b/0x140
[ 226.492499][ T6504] ? clear_bhb_loop+0x40/0x90
[ 226.492526][ T6504] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 226.492550][ T6504] RIP: 0033:0x7feda925e0ca
[ 226.492571][ T6504] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 226.492593][ T6504] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.492617][ T6504] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 226.492634][ T6504] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 226.492650][ T6504] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 226.492665][ T6504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 226.492680][ T6504] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 226.492705][ T6504]
[ 226.492752][ T6504] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.492773][ T6504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.074032][ T6507] loop1: detected capacity change from 0 to 32768
[ 227.084453][ T6507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.084477][ T6507] CPU: 0 UID: 0 PID: 6507 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 227.084502][ T6507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 227.084515][ T6507] Call Trace:
[ 227.084524][ T6507]
[ 227.084532][ T6507] dump_stack_lvl+0xe8/0x150
[ 227.084568][ T6507] sysfs_create_dir_ns+0x271/0x2a0
[ 227.084593][ T6507] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 227.084621][ T6507] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 227.084648][ T6507] ? rt_spin_unlock+0x160/0x200
[ 227.084675][ T6507] kobject_add_internal+0x62c/0xce0
[ 227.084704][ T6507] kobject_init_and_add+0x12b/0x1a0
[ 227.084729][ T6507] ? rcu_is_watching+0x15/0xb0
[ 227.084752][ T6507] ? __pfx_kobject_init_and_add+0x10/0x10
[ 227.084778][ T6507] ? __raw_spin_lock_init+0x45/0x100
[ 227.084807][ T6507] ? __init_swait_queue_head+0xa8/0x150
[ 227.084835][ T6507] gfs2_sys_fs_add+0x257/0x480
[ 227.084861][ T6507] ? is_dynamic_key+0xa5/0x1c0
[ 227.084893][ T6507] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 227.084923][ T6507] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 227.084964][ T6507] gfs2_fill_super+0x1368/0x20f0
[ 227.085004][ T6507] ? __pfx_gfs2_fill_super+0x10/0x10
[ 227.085039][ T6507] ? sb_set_blocksize+0x11b/0x210
[ 227.085063][ T6507] ? setup_bdev_super+0x4c1/0x5b0
[ 227.085097][ T6507] get_tree_bdev_flags+0x430/0x4f0
[ 227.085137][ T6507] ? __pfx_gfs2_fill_super+0x10/0x10
[ 227.085168][ T6507] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 227.085203][ T6507] gfs2_get_tree+0x51/0x1e0
[ 227.085237][ T6507] vfs_get_tree+0x92/0x2a0
[ 227.085270][ T6507] do_new_mount+0x319/0xdc0
[ 227.085296][ T6507] ? __pfx_do_new_mount+0x10/0x10
[ 227.085321][ T6507] ? ns_capable+0x89/0xe0
[ 227.085342][ T6507] ? path_mount+0x647/0x1040
[ 227.085366][ T6507] ? user_path_at+0xd4/0x160
[ 227.085394][ T6507] __se_sys_mount+0x31d/0x420
[ 227.085419][ T6507] ? __pfx___se_sys_mount+0x10/0x10
[ 227.085444][ T6507] ? rcu_is_watching+0x15/0xb0
[ 227.085464][ T6507] ? __x64_sys_mount+0x20/0xc0
[ 227.085489][ T6507] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 227.085513][ T6507] do_syscall_64+0x174/0x580
[ 227.085546][ T6507] ? trace_irq_disable+0x3b/0x140
[ 227.085579][ T6507] ? clear_bhb_loop+0x40/0x90
[ 227.085606][ T6507] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 227.085630][ T6507] RIP: 0033:0x7feda925e0ca
[ 227.085651][ T6507] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 227.085673][ T6507] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.085697][ T6507] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 227.085714][ T6507] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 227.085730][ T6507] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 227.085745][ T6507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 227.085760][ T6507] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 227.085785][ T6507]
[ 227.085917][ T6507] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.085938][ T6507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.640490][ T6510] loop1: detected capacity change from 0 to 32768
[ 227.654075][ T6510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.654163][ T6510] CPU: 1 UID: 0 PID: 6510 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 227.654230][ T6510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 227.654272][ T6510] Call Trace:
[ 227.654294][ T6510]
[ 227.654324][ T6510] dump_stack_lvl+0xe8/0x150
[ 227.654419][ T6510] sysfs_create_dir_ns+0x271/0x2a0
[ 227.654483][ T6510] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 227.654558][ T6510] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 227.654629][ T6510] ? rt_spin_unlock+0x160/0x200
[ 227.654703][ T6510] kobject_add_internal+0x62c/0xce0
[ 227.654776][ T6510] kobject_init_and_add+0x12b/0x1a0
[ 227.654839][ T6510] ? rcu_is_watching+0x15/0xb0
[ 227.654895][ T6510] ? __pfx_kobject_init_and_add+0x10/0x10
[ 227.654921][ T6510] ? __raw_spin_lock_init+0x45/0x100
[ 227.655006][ T6510] ? __init_swait_queue_head+0xa8/0x150
[ 227.655034][ T6510] gfs2_sys_fs_add+0x257/0x480
[ 227.655058][ T6510] ? is_dynamic_key+0xa5/0x1c0
[ 227.655139][ T6510] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 227.655207][ T6510] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 227.655302][ T6510] gfs2_fill_super+0x1368/0x20f0
[ 227.655400][ T6510] ? __pfx_gfs2_fill_super+0x10/0x10
[ 227.655496][ T6510] ? sb_set_blocksize+0x11b/0x210
[ 227.655604][ T6510] ? setup_bdev_super+0x4c1/0x5b0
[ 227.655706][ T6510] get_tree_bdev_flags+0x430/0x4f0
[ 227.655791][ T6510] ? __pfx_gfs2_fill_super+0x10/0x10
[ 227.655869][ T6510] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 227.655966][ T6510] gfs2_get_tree+0x51/0x1e0
[ 227.656051][ T6510] vfs_get_tree+0x92/0x2a0
[ 227.656128][ T6510] do_new_mount+0x319/0xdc0
[ 227.656194][ T6510] ? __pfx_do_new_mount+0x10/0x10
[ 227.656257][ T6510] ? ns_capable+0x89/0xe0
[ 227.656311][ T6510] ? path_mount+0x647/0x1040
[ 227.656356][ T6510] ? user_path_at+0xd4/0x160
[ 227.656406][ T6510] __se_sys_mount+0x31d/0x420
[ 227.656501][ T6510] ? __pfx___se_sys_mount+0x10/0x10
[ 227.656579][ T6510] ? rcu_is_watching+0x15/0xb0
[ 227.656634][ T6510] ? __x64_sys_mount+0x20/0xc0
[ 227.656698][ T6510] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 227.656761][ T6510] do_syscall_64+0x174/0x580
[ 227.656845][ T6510] ? trace_irq_disable+0x3b/0x140
[ 227.656920][ T6510] ? clear_bhb_loop+0x40/0x90
[ 227.656992][ T6510] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 227.657046][ T6510] RIP: 0033:0x7feda925e0ca
[ 227.657106][ T6510] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 227.657159][ T6510] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.657209][ T6510] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 227.657260][ T6510] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 227.657301][ T6510] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 227.657343][ T6510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 227.657382][ T6510] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 227.657447][ T6510]
[ 227.666624][ T6510] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.666728][ T6510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.221694][ T6513] loop1: detected capacity change from 0 to 32768
[ 228.236913][ T6513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.236941][ T6513] CPU: 1 UID: 0 PID: 6513 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 228.236969][ T6513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 228.236984][ T6513] Call Trace:
[ 228.236993][ T6513]
[ 228.237003][ T6513] dump_stack_lvl+0xe8/0x150
[ 228.237041][ T6513] sysfs_create_dir_ns+0x271/0x2a0
[ 228.237066][ T6513] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 228.237095][ T6513] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 228.237121][ T6513] ? rt_spin_unlock+0x160/0x200
[ 228.237148][ T6513] kobject_add_internal+0x62c/0xce0
[ 228.237178][ T6513] kobject_init_and_add+0x12b/0x1a0
[ 228.237202][ T6513] ? rcu_is_watching+0x15/0xb0
[ 228.237227][ T6513] ? __pfx_kobject_init_and_add+0x10/0x10
[ 228.237253][ T6513] ? __raw_spin_lock_init+0x45/0x100
[ 228.237292][ T6513] ? __init_swait_queue_head+0xa8/0x150
[ 228.237319][ T6513] gfs2_sys_fs_add+0x257/0x480
[ 228.237344][ T6513] ? is_dynamic_key+0xa5/0x1c0
[ 228.237376][ T6513] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 228.237405][ T6513] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 228.237441][ T6513] gfs2_fill_super+0x1368/0x20f0
[ 228.237486][ T6513] ? __pfx_gfs2_fill_super+0x10/0x10
[ 228.237522][ T6513] ? sb_set_blocksize+0x11b/0x210
[ 228.237546][ T6513] ? setup_bdev_super+0x4c1/0x5b0
[ 228.237582][ T6513] get_tree_bdev_flags+0x430/0x4f0
[ 228.237614][ T6513] ? __pfx_gfs2_fill_super+0x10/0x10
[ 228.237648][ T6513] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 228.237686][ T6513] gfs2_get_tree+0x51/0x1e0
[ 228.237719][ T6513] vfs_get_tree+0x92/0x2a0
[ 228.237752][ T6513] do_new_mount+0x319/0xdc0
[ 228.237779][ T6513] ? __pfx_do_new_mount+0x10/0x10
[ 228.237806][ T6513] ? ns_capable+0x89/0xe0
[ 228.237829][ T6513] ? path_mount+0x647/0x1040
[ 228.237854][ T6513] ? user_path_at+0xd4/0x160
[ 228.237882][ T6513] __se_sys_mount+0x31d/0x420
[ 228.237910][ T6513] ? __pfx___se_sys_mount+0x10/0x10
[ 228.237937][ T6513] ? rcu_is_watching+0x15/0xb0
[ 228.237959][ T6513] ? __x64_sys_mount+0x20/0xc0
[ 228.237997][ T6513] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 228.238022][ T6513] do_syscall_64+0x174/0x580
[ 228.238058][ T6513] ? trace_irq_disable+0x3b/0x140
[ 228.238089][ T6513] ? clear_bhb_loop+0x40/0x90
[ 228.238116][ T6513] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 228.238140][ T6513] RIP: 0033:0x7feda925e0ca
[ 228.238161][ T6513] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 228.238183][ T6513] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.238208][ T6513] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 228.238226][ T6513] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 228.238242][ T6513] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 228.238258][ T6513] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 228.238281][ T6513] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 228.238308][ T6513]
[ 228.241503][ T6513] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.241595][ T6513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.759719][ T6516] loop1: detected capacity change from 0 to 32768
[ 228.765595][ T6516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.765623][ T6516] CPU: 1 UID: 0 PID: 6516 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 228.765651][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 228.765666][ T6516] Call Trace:
[ 228.765675][ T6516]
[ 228.765685][ T6516] dump_stack_lvl+0xe8/0x150
[ 228.765727][ T6516] sysfs_create_dir_ns+0x271/0x2a0
[ 228.765753][ T6516] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 228.765783][ T6516] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 228.765810][ T6516] ? rt_spin_unlock+0x160/0x200
[ 228.765838][ T6516] kobject_add_internal+0x62c/0xce0
[ 228.765867][ T6516] kobject_init_and_add+0x12b/0x1a0
[ 228.765892][ T6516] ? rcu_is_watching+0x15/0xb0
[ 228.765915][ T6516] ? __pfx_kobject_init_and_add+0x10/0x10
[ 228.765940][ T6516] ? __raw_spin_lock_init+0x45/0x100
[ 228.765969][ T6516] ? __init_swait_queue_head+0xa8/0x150
[ 228.765997][ T6516] gfs2_sys_fs_add+0x257/0x480
[ 228.766021][ T6516] ? is_dynamic_key+0xa5/0x1c0
[ 228.766053][ T6516] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 228.766082][ T6516] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 228.766120][ T6516] gfs2_fill_super+0x1368/0x20f0
[ 228.766160][ T6516] ? __pfx_gfs2_fill_super+0x10/0x10
[ 228.766197][ T6516] ? sb_set_blocksize+0x11b/0x210
[ 228.766222][ T6516] ? setup_bdev_super+0x4c1/0x5b0
[ 228.766256][ T6516] get_tree_bdev_flags+0x430/0x4f0
[ 228.766289][ T6516] ? __pfx_gfs2_fill_super+0x10/0x10
[ 228.766322][ T6516] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 228.766361][ T6516] gfs2_get_tree+0x51/0x1e0
[ 228.766396][ T6516] vfs_get_tree+0x92/0x2a0
[ 228.766429][ T6516] do_new_mount+0x319/0xdc0
[ 228.766472][ T6516] ? __pfx_do_new_mount+0x10/0x10
[ 228.766499][ T6516] ? ns_capable+0x89/0xe0
[ 228.766522][ T6516] ? path_mount+0x647/0x1040
[ 228.766548][ T6516] ? user_path_at+0xd4/0x160
[ 228.766578][ T6516] __se_sys_mount+0x31d/0x420
[ 228.766615][ T6516] ? __pfx___se_sys_mount+0x10/0x10
[ 228.766643][ T6516] ? rcu_is_watching+0x15/0xb0
[ 228.766665][ T6516] ? __x64_sys_mount+0x20/0xc0
[ 228.766690][ T6516] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 228.766714][ T6516] do_syscall_64+0x174/0x580
[ 228.766749][ T6516] ? trace_irq_disable+0x3b/0x140
[ 228.766781][ T6516] ? clear_bhb_loop+0x40/0x90
[ 228.766808][ T6516] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 228.766832][ T6516] RIP: 0033:0x7feda925e0ca
[ 228.766854][ T6516] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 228.766876][ T6516] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.766899][ T6516] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 228.766917][ T6516] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 228.766933][ T6516] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 228.766949][ T6516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 228.766964][ T6516] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 228.766989][ T6516]
[ 228.771927][ T6516] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.772013][ T6516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.325639][ T6519] loop1: detected capacity change from 0 to 32768
[ 229.333884][ T6519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.333951][ T6519] CPU: 1 UID: 0 PID: 6519 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 229.334033][ T6519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 229.334060][ T6519] Call Trace:
[ 229.334069][ T6519]
[ 229.334079][ T6519] dump_stack_lvl+0xe8/0x150
[ 229.334189][ T6519] sysfs_create_dir_ns+0x271/0x2a0
[ 229.334280][ T6519] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 229.334358][ T6519] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 229.334431][ T6519] ? rt_spin_unlock+0x160/0x200
[ 229.334497][ T6519] kobject_add_internal+0x62c/0xce0
[ 229.334572][ T6519] kobject_init_and_add+0x12b/0x1a0
[ 229.334634][ T6519] ? rcu_is_watching+0x15/0xb0
[ 229.334689][ T6519] ? __pfx_kobject_init_and_add+0x10/0x10
[ 229.334748][ T6519] ? __raw_spin_lock_init+0x45/0x100
[ 229.334821][ T6519] ? __init_swait_queue_head+0xa8/0x150
[ 229.334896][ T6519] gfs2_sys_fs_add+0x257/0x480
[ 229.334958][ T6519] ? is_dynamic_key+0xa5/0x1c0
[ 229.335028][ T6519] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 229.335084][ T6519] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 229.335171][ T6519] gfs2_fill_super+0x1368/0x20f0
[ 229.335276][ T6519] ? __pfx_gfs2_fill_super+0x10/0x10
[ 229.335379][ T6519] ? sb_set_blocksize+0x11b/0x210
[ 229.335442][ T6519] ? setup_bdev_super+0x4c1/0x5b0
[ 229.335525][ T6519] get_tree_bdev_flags+0x430/0x4f0
[ 229.335629][ T6519] ? __pfx_gfs2_fill_super+0x10/0x10
[ 229.335730][ T6519] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 229.335824][ T6519] gfs2_get_tree+0x51/0x1e0
[ 229.335901][ T6519] vfs_get_tree+0x92/0x2a0
[ 229.335984][ T6519] do_new_mount+0x319/0xdc0
[ 229.336055][ T6519] ? __pfx_do_new_mount+0x10/0x10
[ 229.336117][ T6519] ? ns_capable+0x89/0xe0
[ 229.336172][ T6519] ? path_mount+0x647/0x1040
[ 229.336245][ T6519] ? user_path_at+0xd4/0x160
[ 229.336320][ T6519] __se_sys_mount+0x31d/0x420
[ 229.336395][ T6519] ? __pfx___se_sys_mount+0x10/0x10
[ 229.336460][ T6519] ? rcu_is_watching+0x15/0xb0
[ 229.336481][ T6519] ? __x64_sys_mount+0x20/0xc0
[ 229.336504][ T6519] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 229.336528][ T6519] do_syscall_64+0x174/0x580
[ 229.336557][ T6519] ? trace_irq_disable+0x3b/0x140
[ 229.336586][ T6519] ? clear_bhb_loop+0x40/0x90
[ 229.336612][ T6519] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 229.336635][ T6519] RIP: 0033:0x7feda925e0ca
[ 229.336655][ T6519] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 229.336675][ T6519] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.336698][ T6519] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 229.336715][ T6519] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 229.336732][ T6519] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 229.336748][ T6519] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 229.336763][ T6519] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 229.336787][ T6519]
[ 229.343496][ T6519] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.343539][ T6519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.888197][ T6522] loop1: detected capacity change from 0 to 32768
[ 229.904988][ T6522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.905015][ T6522] CPU: 0 UID: 0 PID: 6522 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 229.905043][ T6522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 229.905059][ T6522] Call Trace:
[ 229.905068][ T6522]
[ 229.905078][ T6522] dump_stack_lvl+0xe8/0x150
[ 229.905116][ T6522] sysfs_create_dir_ns+0x271/0x2a0
[ 229.905142][ T6522] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 229.905171][ T6522] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 229.905209][ T6522] ? rt_spin_unlock+0x160/0x200
[ 229.905236][ T6522] kobject_add_internal+0x62c/0xce0
[ 229.905265][ T6522] kobject_init_and_add+0x12b/0x1a0
[ 229.905291][ T6522] ? rcu_is_watching+0x15/0xb0
[ 229.905330][ T6522] ? __pfx_kobject_init_and_add+0x10/0x10
[ 229.905361][ T6522] ? __raw_spin_lock_init+0x45/0x100
[ 229.905391][ T6522] ? __init_swait_queue_head+0xa8/0x150
[ 229.905420][ T6522] gfs2_sys_fs_add+0x257/0x480
[ 229.905446][ T6522] ? is_dynamic_key+0xa5/0x1c0
[ 229.905479][ T6522] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 229.905509][ T6522] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 229.905546][ T6522] gfs2_fill_super+0x1368/0x20f0
[ 229.905586][ T6522] ? __pfx_gfs2_fill_super+0x10/0x10
[ 229.905622][ T6522] ? sb_set_blocksize+0x11b/0x210
[ 229.905647][ T6522] ? setup_bdev_super+0x4c1/0x5b0
[ 229.905681][ T6522] get_tree_bdev_flags+0x430/0x4f0
[ 229.905715][ T6522] ? __pfx_gfs2_fill_super+0x10/0x10
[ 229.905747][ T6522] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 229.905783][ T6522] gfs2_get_tree+0x51/0x1e0
[ 229.905818][ T6522] vfs_get_tree+0x92/0x2a0
[ 229.905850][ T6522] do_new_mount+0x319/0xdc0
[ 229.905879][ T6522] ? __pfx_do_new_mount+0x10/0x10
[ 229.905904][ T6522] ? ns_capable+0x89/0xe0
[ 229.905927][ T6522] ? path_mount+0x647/0x1040
[ 229.905953][ T6522] ? user_path_at+0xd4/0x160
[ 229.905983][ T6522] __se_sys_mount+0x31d/0x420
[ 229.906012][ T6522] ? __pfx___se_sys_mount+0x10/0x10
[ 229.906040][ T6522] ? rcu_is_watching+0x15/0xb0
[ 229.906061][ T6522] ? __x64_sys_mount+0x20/0xc0
[ 229.906086][ T6522] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 229.906111][ T6522] do_syscall_64+0x174/0x580
[ 229.906146][ T6522] ? trace_irq_disable+0x3b/0x140
[ 229.906186][ T6522] ? clear_bhb_loop+0x40/0x90
[ 229.906214][ T6522] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 229.906237][ T6522] RIP: 0033:0x7feda925e0ca
[ 229.906264][ T6522] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 229.906286][ T6522] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.906312][ T6522] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 229.906329][ T6522] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 229.906346][ T6522] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 229.906362][ T6522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 229.906377][ T6522] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 229.906402][ T6522]
[ 229.906456][ T6522] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.906477][ T6522] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.454687][ T6525] loop1: detected capacity change from 0 to 32768
[ 230.465984][ T6525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.466012][ T6525] CPU: 0 UID: 0 PID: 6525 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 230.466039][ T6525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 230.466053][ T6525] Call Trace:
[ 230.466062][ T6525]
[ 230.466082][ T6525] dump_stack_lvl+0xe8/0x150
[ 230.466119][ T6525] sysfs_create_dir_ns+0x271/0x2a0
[ 230.466144][ T6525] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 230.466173][ T6525] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 230.466199][ T6525] ? rt_spin_unlock+0x160/0x200
[ 230.466226][ T6525] kobject_add_internal+0x62c/0xce0
[ 230.466255][ T6525] kobject_init_and_add+0x12b/0x1a0
[ 230.466280][ T6525] ? rcu_is_watching+0x15/0xb0
[ 230.466303][ T6525] ? __pfx_kobject_init_and_add+0x10/0x10
[ 230.466329][ T6525] ? __raw_spin_lock_init+0x45/0x100
[ 230.466358][ T6525] ? __init_swait_queue_head+0xa8/0x150
[ 230.466385][ T6525] gfs2_sys_fs_add+0x257/0x480
[ 230.466411][ T6525] ? is_dynamic_key+0xa5/0x1c0
[ 230.466448][ T6525] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 230.466477][ T6525] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 230.466514][ T6525] gfs2_fill_super+0x1368/0x20f0
[ 230.466565][ T6525] ? __pfx_gfs2_fill_super+0x10/0x10
[ 230.466601][ T6525] ? sb_set_blocksize+0x11b/0x210
[ 230.466627][ T6525] ? setup_bdev_super+0x4c1/0x5b0
[ 230.466659][ T6525] get_tree_bdev_flags+0x430/0x4f0
[ 230.466692][ T6525] ? __pfx_gfs2_fill_super+0x10/0x10
[ 230.466725][ T6525] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 230.466764][ T6525] gfs2_get_tree+0x51/0x1e0
[ 230.466797][ T6525] vfs_get_tree+0x92/0x2a0
[ 230.466829][ T6525] do_new_mount+0x319/0xdc0
[ 230.466856][ T6525] ? __pfx_do_new_mount+0x10/0x10
[ 230.466882][ T6525] ? ns_capable+0x89/0xe0
[ 230.466904][ T6525] ? path_mount+0x647/0x1040
[ 230.466930][ T6525] ? user_path_at+0xd4/0x160
[ 230.466959][ T6525] __se_sys_mount+0x31d/0x420
[ 230.466987][ T6525] ? __pfx___se_sys_mount+0x10/0x10
[ 230.467015][ T6525] ? rcu_is_watching+0x15/0xb0
[ 230.467036][ T6525] ? __x64_sys_mount+0x20/0xc0
[ 230.467061][ T6525] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 230.467086][ T6525] do_syscall_64+0x174/0x580
[ 230.467121][ T6525] ? trace_irq_disable+0x3b/0x140
[ 230.467152][ T6525] ? clear_bhb_loop+0x40/0x90
[ 230.467179][ T6525] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 230.467202][ T6525] RIP: 0033:0x7feda925e0ca
[ 230.467224][ T6525] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 230.467245][ T6525] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.467269][ T6525] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 230.467287][ T6525] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 230.467303][ T6525] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 230.467318][ T6525] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 230.467333][ T6525] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 230.467366][ T6525]
[ 230.568364][ T6525] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.568438][ T6525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.030331][ T6528] loop1: detected capacity change from 0 to 32768
[ 231.035240][ T6528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.035269][ T6528] CPU: 0 UID: 0 PID: 6528 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 231.035297][ T6528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 231.035313][ T6528] Call Trace:
[ 231.035322][ T6528]
[ 231.035333][ T6528] dump_stack_lvl+0xe8/0x150
[ 231.035371][ T6528] sysfs_create_dir_ns+0x271/0x2a0
[ 231.035396][ T6528] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 231.035435][ T6528] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 231.035462][ T6528] ? rt_spin_unlock+0x160/0x200
[ 231.035490][ T6528] kobject_add_internal+0x62c/0xce0
[ 231.035522][ T6528] kobject_init_and_add+0x12b/0x1a0
[ 231.035547][ T6528] ? rcu_is_watching+0x15/0xb0
[ 231.035573][ T6528] ? __pfx_kobject_init_and_add+0x10/0x10
[ 231.035599][ T6528] ? __raw_spin_lock_init+0x45/0x100
[ 231.035628][ T6528] ? __init_swait_queue_head+0xa8/0x150
[ 231.035657][ T6528] gfs2_sys_fs_add+0x257/0x480
[ 231.035683][ T6528] ? is_dynamic_key+0xa5/0x1c0
[ 231.035715][ T6528] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 231.035744][ T6528] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 231.035781][ T6528] gfs2_fill_super+0x1368/0x20f0
[ 231.035820][ T6528] ? __pfx_gfs2_fill_super+0x10/0x10
[ 231.035856][ T6528] ? sb_set_blocksize+0x11b/0x210
[ 231.035881][ T6528] ? setup_bdev_super+0x4c1/0x5b0
[ 231.035915][ T6528] get_tree_bdev_flags+0x430/0x4f0
[ 231.035949][ T6528] ? __pfx_gfs2_fill_super+0x10/0x10
[ 231.035982][ T6528] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 231.036020][ T6528] gfs2_get_tree+0x51/0x1e0
[ 231.036054][ T6528] vfs_get_tree+0x92/0x2a0
[ 231.036088][ T6528] do_new_mount+0x319/0xdc0
[ 231.036116][ T6528] ? __pfx_do_new_mount+0x10/0x10
[ 231.036142][ T6528] ? ns_capable+0x89/0xe0
[ 231.036165][ T6528] ? path_mount+0x647/0x1040
[ 231.036191][ T6528] ? user_path_at+0xd4/0x160
[ 231.036221][ T6528] __se_sys_mount+0x31d/0x420
[ 231.036250][ T6528] ? __pfx___se_sys_mount+0x10/0x10
[ 231.036278][ T6528] ? rcu_is_watching+0x15/0xb0
[ 231.036299][ T6528] ? __x64_sys_mount+0x20/0xc0
[ 231.036325][ T6528] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 231.036350][ T6528] do_syscall_64+0x174/0x580
[ 231.036385][ T6528] ? trace_irq_disable+0x3b/0x140
[ 231.036417][ T6528] ? clear_bhb_loop+0x40/0x90
[ 231.036452][ T6528] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 231.036484][ T6528] RIP: 0033:0x7feda925e0ca
[ 231.036505][ T6528] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 231.036527][ T6528] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.036551][ T6528] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 231.036570][ T6528] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 231.036587][ T6528] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 231.036603][ T6528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 231.036618][ T6528] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 231.036644][ T6528]
[ 231.046120][ T6528] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.046205][ T6528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.589442][ T6531] loop1: detected capacity change from 0 to 32768
[ 231.604657][ T6531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.604684][ T6531] CPU: 0 UID: 0 PID: 6531 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 231.604712][ T6531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 231.604727][ T6531] Call Trace:
[ 231.604736][ T6531]
[ 231.604746][ T6531] dump_stack_lvl+0xe8/0x150
[ 231.604785][ T6531] sysfs_create_dir_ns+0x271/0x2a0
[ 231.604810][ T6531] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 231.604840][ T6531] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 231.604867][ T6531] ? rt_spin_unlock+0x160/0x200
[ 231.604894][ T6531] kobject_add_internal+0x62c/0xce0
[ 231.604934][ T6531] kobject_init_and_add+0x12b/0x1a0
[ 231.604959][ T6531] ? rcu_is_watching+0x15/0xb0
[ 231.604984][ T6531] ? __pfx_kobject_init_and_add+0x10/0x10
[ 231.605010][ T6531] ? __raw_spin_lock_init+0x45/0x100
2026/06/16 08:58:29 executed programs: 206
[ 231.605040][ T6531] ? __init_swait_queue_head+0xa8/0x150
[ 231.605069][ T6531] gfs2_sys_fs_add+0x257/0x480
[ 231.605094][ T6531] ? is_dynamic_key+0xa5/0x1c0
[ 231.605126][ T6531] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 231.605156][ T6531] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 231.605193][ T6531] gfs2_fill_super+0x1368/0x20f0
[ 231.605233][ T6531] ? __pfx_gfs2_fill_super+0x10/0x10
[ 231.605269][ T6531] ? sb_set_blocksize+0x11b/0x210
[ 231.605294][ T6531] ? setup_bdev_super+0x4c1/0x5b0
[ 231.605329][ T6531] get_tree_bdev_flags+0x430/0x4f0
[ 231.605362][ T6531] ? __pfx_gfs2_fill_super+0x10/0x10
[ 231.605394][ T6531] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 231.605432][ T6531] gfs2_get_tree+0x51/0x1e0
[ 231.605466][ T6531] vfs_get_tree+0x92/0x2a0
[ 231.605502][ T6531] do_new_mount+0x319/0xdc0
[ 231.605530][ T6531] ? __pfx_do_new_mount+0x10/0x10
[ 231.605556][ T6531] ? ns_capable+0x89/0xe0
[ 231.605578][ T6531] ? path_mount+0x647/0x1040
[ 231.605605][ T6531] ? user_path_at+0xd4/0x160
[ 231.605635][ T6531] __se_sys_mount+0x31d/0x420
[ 231.605662][ T6531] ? __pfx___se_sys_mount+0x10/0x10
[ 231.605690][ T6531] ? rcu_is_watching+0x15/0xb0
[ 231.605712][ T6531] ? __x64_sys_mount+0x20/0xc0
[ 231.605737][ T6531] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 231.605763][ T6531] do_syscall_64+0x174/0x580
[ 231.605796][ T6531] ? trace_irq_disable+0x3b/0x140
[ 231.605827][ T6531] ? clear_bhb_loop+0x40/0x90
[ 231.605854][ T6531] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 231.605878][ T6531] RIP: 0033:0x7feda925e0ca
[ 231.605900][ T6531] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 231.605931][ T6531] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.605957][ T6531] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 231.605974][ T6531] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 231.605991][ T6531] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 231.606007][ T6531] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 231.606022][ T6531] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 231.606047][ T6531]
[ 231.606120][ T6531] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.606141][ T6531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.192596][ T6535] loop1: detected capacity change from 0 to 32768
[ 232.204298][ T6535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.204324][ T6535] CPU: 0 UID: 0 PID: 6535 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 232.204352][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 232.204367][ T6535] Call Trace:
[ 232.204376][ T6535]
[ 232.204386][ T6535] dump_stack_lvl+0xe8/0x150
[ 232.204423][ T6535] sysfs_create_dir_ns+0x271/0x2a0
[ 232.204448][ T6535] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 232.204476][ T6535] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 232.204502][ T6535] ? rt_spin_unlock+0x160/0x200
[ 232.204529][ T6535] kobject_add_internal+0x62c/0xce0
[ 232.204557][ T6535] kobject_init_and_add+0x12b/0x1a0
[ 232.204582][ T6535] ? rcu_is_watching+0x15/0xb0
[ 232.204607][ T6535] ? __pfx_kobject_init_and_add+0x10/0x10
[ 232.204633][ T6535] ? __raw_spin_lock_init+0x45/0x100
[ 232.204663][ T6535] ? __init_swait_queue_head+0xa8/0x150
[ 232.204692][ T6535] gfs2_sys_fs_add+0x257/0x480
[ 232.204716][ T6535] ? is_dynamic_key+0xa5/0x1c0
[ 232.204749][ T6535] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 232.204779][ T6535] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 232.204814][ T6535] gfs2_fill_super+0x1368/0x20f0
[ 232.204856][ T6535] ? __pfx_gfs2_fill_super+0x10/0x10
[ 232.204891][ T6535] ? sb_set_blocksize+0x11b/0x210
[ 232.204915][ T6535] ? setup_bdev_super+0x4c1/0x5b0
[ 232.204949][ T6535] get_tree_bdev_flags+0x430/0x4f0
[ 232.204980][ T6535] ? __pfx_gfs2_fill_super+0x10/0x10
[ 232.205020][ T6535] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 232.205067][ T6535] gfs2_get_tree+0x51/0x1e0
[ 232.205101][ T6535] vfs_get_tree+0x92/0x2a0
[ 232.205133][ T6535] do_new_mount+0x319/0xdc0
[ 232.205163][ T6535] ? __pfx_do_new_mount+0x10/0x10
[ 232.205189][ T6535] ? ns_capable+0x89/0xe0
[ 232.205213][ T6535] ? path_mount+0x647/0x1040
[ 232.205236][ T6535] ? user_path_at+0xd4/0x160
[ 232.205265][ T6535] __se_sys_mount+0x31d/0x420
[ 232.205294][ T6535] ? __pfx___se_sys_mount+0x10/0x10
[ 232.205321][ T6535] ? rcu_is_watching+0x15/0xb0
[ 232.205343][ T6535] ? __x64_sys_mount+0x20/0xc0
[ 232.205368][ T6535] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 232.205394][ T6535] do_syscall_64+0x174/0x580
[ 232.205428][ T6535] ? trace_irq_disable+0x3b/0x140
[ 232.205458][ T6535] ? clear_bhb_loop+0x40/0x90
[ 232.205485][ T6535] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 232.205508][ T6535] RIP: 0033:0x7feda925e0ca
[ 232.205534][ T6535] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 232.205555][ T6535] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.205581][ T6535] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 232.205598][ T6535] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 232.205614][ T6535] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 232.205630][ T6535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 232.205645][ T6535] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 232.205671][ T6535]
[ 232.236313][ T6535] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.236339][ T6535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.765080][ T6538] loop1: detected capacity change from 0 to 32768
[ 232.772281][ T6538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.772340][ T6538] CPU: 1 UID: 0 PID: 6538 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 232.772415][ T6538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 232.772443][ T6538] Call Trace:
[ 232.772453][ T6538]
[ 232.772476][ T6538] dump_stack_lvl+0xe8/0x150
[ 232.772577][ T6538] sysfs_create_dir_ns+0x271/0x2a0
[ 232.772639][ T6538] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 232.772712][ T6538] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 232.772778][ T6538] ? rt_spin_unlock+0x160/0x200
[ 232.772853][ T6538] kobject_add_internal+0x62c/0xce0
[ 232.772926][ T6538] kobject_init_and_add+0x12b/0x1a0
[ 232.772988][ T6538] ? rcu_is_watching+0x15/0xb0
[ 232.773052][ T6538] ? __pfx_kobject_init_and_add+0x10/0x10
[ 232.773115][ T6538] ? __raw_spin_lock_init+0x45/0x100
[ 232.773229][ T6538] ? __init_swait_queue_head+0xa8/0x150
[ 232.773302][ T6538] gfs2_sys_fs_add+0x257/0x480
[ 232.773374][ T6538] ? is_dynamic_key+0xa5/0x1c0
[ 232.773464][ T6538] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 232.773525][ T6538] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 232.773620][ T6538] gfs2_fill_super+0x1368/0x20f0
[ 232.773717][ T6538] ? __pfx_gfs2_fill_super+0x10/0x10
[ 232.773811][ T6538] ? sb_set_blocksize+0x11b/0x210
[ 232.773874][ T6538] ? setup_bdev_super+0x4c1/0x5b0
[ 232.773958][ T6538] get_tree_bdev_flags+0x430/0x4f0
[ 232.774034][ T6538] ? __pfx_gfs2_fill_super+0x10/0x10
[ 232.774117][ T6538] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 232.774171][ T6538] gfs2_get_tree+0x51/0x1e0
[ 232.774221][ T6538] vfs_get_tree+0x92/0x2a0
[ 232.774338][ T6538] do_new_mount+0x319/0xdc0
[ 232.774427][ T6538] ? __pfx_do_new_mount+0x10/0x10
[ 232.774488][ T6538] ? ns_capable+0x89/0xe0
[ 232.774553][ T6538] ? path_mount+0x647/0x1040
[ 232.774623][ T6538] ? user_path_at+0xd4/0x160
[ 232.774690][ T6538] __se_sys_mount+0x31d/0x420
[ 232.774761][ T6538] ? __pfx___se_sys_mount+0x10/0x10
[ 232.774835][ T6538] ? rcu_is_watching+0x15/0xb0
[ 232.774895][ T6538] ? __x64_sys_mount+0x20/0xc0
[ 232.774958][ T6538] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 232.775012][ T6538] do_syscall_64+0x174/0x580
[ 232.775095][ T6538] ? trace_irq_disable+0x3b/0x140
[ 232.775177][ T6538] ? clear_bhb_loop+0x40/0x90
[ 232.775241][ T6538] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 232.775303][ T6538] RIP: 0033:0x7feda925e0ca
[ 232.775344][ T6538] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 232.775397][ T6538] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.775461][ T6538] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 232.775510][ T6538] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 232.775553][ T6538] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 232.775582][ T6538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 232.775597][ T6538] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 232.775658][ T6538]
[ 232.787063][ T6538] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.787128][ T6538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.342842][ T6541] loop1: detected capacity change from 0 to 32768
[ 233.354326][ T6541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.354353][ T6541] CPU: 1 UID: 0 PID: 6541 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 233.354380][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 233.354395][ T6541] Call Trace:
[ 233.354404][ T6541]
[ 233.354412][ T6541] dump_stack_lvl+0xe8/0x150
[ 233.354448][ T6541] sysfs_create_dir_ns+0x271/0x2a0
[ 233.354472][ T6541] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 233.354501][ T6541] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 233.354544][ T6541] ? rt_spin_unlock+0x160/0x200
[ 233.354570][ T6541] kobject_add_internal+0x62c/0xce0
[ 233.354597][ T6541] kobject_init_and_add+0x12b/0x1a0
[ 233.354620][ T6541] ? rcu_is_watching+0x15/0xb0
[ 233.354644][ T6541] ? __pfx_kobject_init_and_add+0x10/0x10
[ 233.354667][ T6541] ? __raw_spin_lock_init+0x45/0x100
[ 233.354694][ T6541] ? __init_swait_queue_head+0xa8/0x150
[ 233.354720][ T6541] gfs2_sys_fs_add+0x257/0x480
[ 233.354744][ T6541] ? is_dynamic_key+0xa5/0x1c0
[ 233.354775][ T6541] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 233.354804][ T6541] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 233.354840][ T6541] gfs2_fill_super+0x1368/0x20f0
[ 233.354878][ T6541] ? __pfx_gfs2_fill_super+0x10/0x10
[ 233.354912][ T6541] ? sb_set_blocksize+0x11b/0x210
[ 233.354935][ T6541] ? setup_bdev_super+0x4c1/0x5b0
[ 233.354968][ T6541] get_tree_bdev_flags+0x430/0x4f0
[ 233.354999][ T6541] ? __pfx_gfs2_fill_super+0x10/0x10
[ 233.355031][ T6541] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 233.355067][ T6541] gfs2_get_tree+0x51/0x1e0
[ 233.355105][ T6541] vfs_get_tree+0x92/0x2a0
[ 233.355137][ T6541] do_new_mount+0x319/0xdc0
[ 233.355166][ T6541] ? __pfx_do_new_mount+0x10/0x10
[ 233.355191][ T6541] ? ns_capable+0x89/0xe0
[ 233.355213][ T6541] ? path_mount+0x647/0x1040
[ 233.355238][ T6541] ? user_path_at+0xd4/0x160
[ 233.355279][ T6541] __se_sys_mount+0x31d/0x420
[ 233.355307][ T6541] ? __pfx___se_sys_mount+0x10/0x10
[ 233.355334][ T6541] ? rcu_is_watching+0x15/0xb0
[ 233.355357][ T6541] ? __x64_sys_mount+0x20/0xc0
[ 233.355382][ T6541] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 233.355406][ T6541] do_syscall_64+0x174/0x580
[ 233.355440][ T6541] ? trace_irq_disable+0x3b/0x140
[ 233.355470][ T6541] ? clear_bhb_loop+0x40/0x90
[ 233.355498][ T6541] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 233.355520][ T6541] RIP: 0033:0x7feda925e0ca
[ 233.355542][ T6541] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 233.355562][ T6541] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.355586][ T6541] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 233.355604][ T6541] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 233.355620][ T6541] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 233.355635][ T6541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 233.355650][ T6541] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 233.355675][ T6541]
[ 233.355725][ T6541] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.355745][ T6541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.898863][ T6544] loop1: detected capacity change from 0 to 32768
[ 233.903912][ T6544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.903939][ T6544] CPU: 0 UID: 0 PID: 6544 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 233.903964][ T6544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 233.903978][ T6544] Call Trace:
[ 233.903988][ T6544]
[ 233.903997][ T6544] dump_stack_lvl+0xe8/0x150
[ 233.904034][ T6544] sysfs_create_dir_ns+0x271/0x2a0
[ 233.904059][ T6544] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 233.904087][ T6544] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 233.904113][ T6544] ? rt_spin_unlock+0x160/0x200
[ 233.904139][ T6544] kobject_add_internal+0x62c/0xce0
[ 233.904167][ T6544] kobject_init_and_add+0x12b/0x1a0
[ 233.904190][ T6544] ? rcu_is_watching+0x15/0xb0
[ 233.904215][ T6544] ? __pfx_kobject_init_and_add+0x10/0x10
[ 233.904240][ T6544] ? __raw_spin_lock_init+0x45/0x100
[ 233.904264][ T6544] ? __init_swait_queue_head+0xa8/0x150
[ 233.904288][ T6544] gfs2_sys_fs_add+0x257/0x480
[ 233.904308][ T6544] ? is_dynamic_key+0xa5/0x1c0
[ 233.904334][ T6544] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 233.904357][ T6544] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 233.904386][ T6544] gfs2_fill_super+0x1368/0x20f0
[ 233.904417][ T6544] ? __pfx_gfs2_fill_super+0x10/0x10
[ 233.904448][ T6544] ? sb_set_blocksize+0x11b/0x210
[ 233.904468][ T6544] ? setup_bdev_super+0x4c1/0x5b0
[ 233.904495][ T6544] get_tree_bdev_flags+0x430/0x4f0
[ 233.904520][ T6544] ? __pfx_gfs2_fill_super+0x10/0x10
[ 233.904546][ T6544] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 233.904576][ T6544] gfs2_get_tree+0x51/0x1e0
[ 233.904602][ T6544] vfs_get_tree+0x92/0x2a0
[ 233.904628][ T6544] do_new_mount+0x319/0xdc0
[ 233.904650][ T6544] ? __pfx_do_new_mount+0x10/0x10
[ 233.904670][ T6544] ? ns_capable+0x89/0xe0
[ 233.904688][ T6544] ? path_mount+0x647/0x1040
[ 233.904709][ T6544] ? user_path_at+0xd4/0x160
[ 233.904732][ T6544] __se_sys_mount+0x31d/0x420
[ 233.904754][ T6544] ? __pfx___se_sys_mount+0x10/0x10
[ 233.904785][ T6544] ? rcu_is_watching+0x15/0xb0
[ 233.904802][ T6544] ? __x64_sys_mount+0x20/0xc0
[ 233.904821][ T6544] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 233.904840][ T6544] do_syscall_64+0x174/0x580
[ 233.904866][ T6544] ? trace_irq_disable+0x3b/0x140
[ 233.904891][ T6544] ? clear_bhb_loop+0x40/0x90
[ 233.904912][ T6544] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 233.904929][ T6544] RIP: 0033:0x7feda925e0ca
[ 233.904946][ T6544] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 233.904962][ T6544] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.904982][ T6544] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 233.905011][ T6544] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 233.905025][ T6544] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 233.905037][ T6544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 233.905050][ T6544] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 233.905070][ T6544]
[ 233.905095][ T6544] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.905115][ T6544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.480169][ T6547] loop1: detected capacity change from 0 to 32768
[ 234.485591][ T6547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.485619][ T6547] CPU: 0 UID: 0 PID: 6547 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 234.485647][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 234.485662][ T6547] Call Trace:
[ 234.485672][ T6547]
[ 234.485682][ T6547] dump_stack_lvl+0xe8/0x150
[ 234.485721][ T6547] sysfs_create_dir_ns+0x271/0x2a0
[ 234.485747][ T6547] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 234.485776][ T6547] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 234.485803][ T6547] ? rt_spin_unlock+0x160/0x200
[ 234.485831][ T6547] kobject_add_internal+0x62c/0xce0
[ 234.485860][ T6547] kobject_init_and_add+0x12b/0x1a0
[ 234.485885][ T6547] ? rcu_is_watching+0x15/0xb0
[ 234.485910][ T6547] ? __pfx_kobject_init_and_add+0x10/0x10
[ 234.485936][ T6547] ? __raw_spin_lock_init+0x45/0x100
[ 234.485967][ T6547] ? __init_swait_queue_head+0xa8/0x150
[ 234.485995][ T6547] gfs2_sys_fs_add+0x257/0x480
[ 234.486021][ T6547] ? is_dynamic_key+0xa5/0x1c0
[ 234.486055][ T6547] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 234.486085][ T6547] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 234.486123][ T6547] gfs2_fill_super+0x1368/0x20f0
[ 234.486164][ T6547] ? __pfx_gfs2_fill_super+0x10/0x10
[ 234.486199][ T6547] ? sb_set_blocksize+0x11b/0x210
[ 234.486224][ T6547] ? setup_bdev_super+0x4c1/0x5b0
[ 234.486267][ T6547] get_tree_bdev_flags+0x430/0x4f0
[ 234.486299][ T6547] ? __pfx_gfs2_fill_super+0x10/0x10
[ 234.486333][ T6547] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 234.486372][ T6547] gfs2_get_tree+0x51/0x1e0
[ 234.486407][ T6547] vfs_get_tree+0x92/0x2a0
[ 234.486439][ T6547] do_new_mount+0x319/0xdc0
[ 234.486465][ T6547] ? __pfx_do_new_mount+0x10/0x10
[ 234.486490][ T6547] ? ns_capable+0x89/0xe0
[ 234.486513][ T6547] ? path_mount+0x647/0x1040
[ 234.486538][ T6547] ? user_path_at+0xd4/0x160
[ 234.486568][ T6547] __se_sys_mount+0x31d/0x420
[ 234.486594][ T6547] ? __pfx___se_sys_mount+0x10/0x10
[ 234.486621][ T6547] ? rcu_is_watching+0x15/0xb0
[ 234.486643][ T6547] ? __x64_sys_mount+0x20/0xc0
[ 234.486669][ T6547] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 234.486706][ T6547] do_syscall_64+0x174/0x580
[ 234.486740][ T6547] ? trace_irq_disable+0x3b/0x140
[ 234.486772][ T6547] ? clear_bhb_loop+0x40/0x90
[ 234.486799][ T6547] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 234.486822][ T6547] RIP: 0033:0x7feda925e0ca
[ 234.486847][ T6547] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 234.486868][ T6547] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.486893][ T6547] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 234.486911][ T6547] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 234.486928][ T6547] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 234.486944][ T6547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 234.486960][ T6547] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 234.486985][ T6547]
[ 234.494481][ T6547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.494506][ T6547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.045853][ T6550] loop1: detected capacity change from 0 to 32768
[ 235.057886][ T6550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.057914][ T6550] CPU: 0 UID: 0 PID: 6550 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 235.057942][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 235.057957][ T6550] Call Trace:
[ 235.057966][ T6550]
[ 235.057976][ T6550] dump_stack_lvl+0xe8/0x150
[ 235.058014][ T6550] sysfs_create_dir_ns+0x271/0x2a0
[ 235.058040][ T6550] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 235.058069][ T6550] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 235.058096][ T6550] ? rt_spin_unlock+0x160/0x200
[ 235.058124][ T6550] kobject_add_internal+0x62c/0xce0
[ 235.058158][ T6550] kobject_init_and_add+0x12b/0x1a0
[ 235.058183][ T6550] ? rcu_is_watching+0x15/0xb0
[ 235.058208][ T6550] ? __pfx_kobject_init_and_add+0x10/0x10
[ 235.058234][ T6550] ? __raw_spin_lock_init+0x45/0x100
[ 235.058264][ T6550] ? __init_swait_queue_head+0xa8/0x150
[ 235.058293][ T6550] gfs2_sys_fs_add+0x257/0x480
[ 235.058317][ T6550] ? is_dynamic_key+0xa5/0x1c0
[ 235.058351][ T6550] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 235.058380][ T6550] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 235.058419][ T6550] gfs2_fill_super+0x1368/0x20f0
[ 235.058459][ T6550] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.058495][ T6550] ? sb_set_blocksize+0x11b/0x210
[ 235.058519][ T6550] ? setup_bdev_super+0x4c1/0x5b0
[ 235.058552][ T6550] get_tree_bdev_flags+0x430/0x4f0
[ 235.058584][ T6550] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.058615][ T6550] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 235.058653][ T6550] gfs2_get_tree+0x51/0x1e0
[ 235.058687][ T6550] vfs_get_tree+0x92/0x2a0
[ 235.058730][ T6550] do_new_mount+0x319/0xdc0
[ 235.058759][ T6550] ? __pfx_do_new_mount+0x10/0x10
[ 235.058786][ T6550] ? ns_capable+0x89/0xe0
[ 235.058810][ T6550] ? path_mount+0x647/0x1040
[ 235.058836][ T6550] ? user_path_at+0xd4/0x160
[ 235.058865][ T6550] __se_sys_mount+0x31d/0x420
[ 235.058894][ T6550] ? __pfx___se_sys_mount+0x10/0x10
[ 235.058922][ T6550] ? rcu_is_watching+0x15/0xb0
[ 235.058943][ T6550] ? __x64_sys_mount+0x20/0xc0
[ 235.058969][ T6550] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.058994][ T6550] do_syscall_64+0x174/0x580
[ 235.059028][ T6550] ? trace_irq_disable+0x3b/0x140
[ 235.059060][ T6550] ? clear_bhb_loop+0x40/0x90
[ 235.059088][ T6550] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.059111][ T6550] RIP: 0033:0x7feda925e0ca
[ 235.059133][ T6550] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 235.059155][ T6550] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.059201][ T6550] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 235.059218][ T6550] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 235.059235][ T6550] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 235.059251][ T6550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 235.059266][ T6550] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 235.059291][ T6550]
[ 235.061722][ T6550] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.061747][ T6550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.593687][ T6553] loop1: detected capacity change from 0 to 32768
[ 235.596868][ T6553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.596895][ T6553] CPU: 1 UID: 0 PID: 6553 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 235.596923][ T6553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 235.596938][ T6553] Call Trace:
[ 235.596947][ T6553]
[ 235.596957][ T6553] dump_stack_lvl+0xe8/0x150
[ 235.596995][ T6553] sysfs_create_dir_ns+0x271/0x2a0
[ 235.597021][ T6553] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 235.597051][ T6553] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 235.597079][ T6553] ? rt_spin_unlock+0x160/0x200
[ 235.597107][ T6553] kobject_add_internal+0x62c/0xce0
[ 235.597137][ T6553] kobject_init_and_add+0x12b/0x1a0
[ 235.597163][ T6553] ? rcu_is_watching+0x15/0xb0
[ 235.597188][ T6553] ? __pfx_kobject_init_and_add+0x10/0x10
[ 235.597214][ T6553] ? __raw_spin_lock_init+0x45/0x100
[ 235.597244][ T6553] ? __init_swait_queue_head+0xa8/0x150
[ 235.597273][ T6553] gfs2_sys_fs_add+0x257/0x480
[ 235.597335][ T6553] ? is_dynamic_key+0xa5/0x1c0
[ 235.597367][ T6553] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 235.597397][ T6553] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 235.597435][ T6553] gfs2_fill_super+0x1368/0x20f0
[ 235.597478][ T6553] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.597528][ T6553] ? sb_set_blocksize+0x11b/0x210
[ 235.597552][ T6553] ? setup_bdev_super+0x4c1/0x5b0
[ 235.597587][ T6553] get_tree_bdev_flags+0x430/0x4f0
[ 235.597620][ T6553] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.597652][ T6553] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 235.597691][ T6553] gfs2_get_tree+0x51/0x1e0
[ 235.597724][ T6553] vfs_get_tree+0x92/0x2a0
[ 235.597758][ T6553] do_new_mount+0x319/0xdc0
[ 235.597787][ T6553] ? __pfx_do_new_mount+0x10/0x10
[ 235.597813][ T6553] ? ns_capable+0x89/0xe0
[ 235.597837][ T6553] ? path_mount+0x647/0x1040
[ 235.597863][ T6553] ? user_path_at+0xd4/0x160
[ 235.597893][ T6553] __se_sys_mount+0x31d/0x420
[ 235.597922][ T6553] ? __pfx___se_sys_mount+0x10/0x10
[ 235.597950][ T6553] ? rcu_is_watching+0x15/0xb0
[ 235.597972][ T6553] ? __x64_sys_mount+0x20/0xc0
[ 235.597997][ T6553] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.598022][ T6553] do_syscall_64+0x174/0x580
[ 235.598056][ T6553] ? trace_irq_disable+0x3b/0x140
[ 235.598088][ T6553] ? clear_bhb_loop+0x40/0x90
[ 235.598115][ T6553] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.598139][ T6553] RIP: 0033:0x7feda925e0ca
[ 235.598161][ T6553] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 235.598183][ T6553] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.598209][ T6553] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 235.598226][ T6553] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 235.598242][ T6553] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 235.598257][ T6553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 235.598271][ T6553] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 235.598304][ T6553]
[ 235.600152][ T6553] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.600215][ T6553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.178699][ T6556] loop1: detected capacity change from 0 to 32768
[ 236.184499][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.184526][ T6556] CPU: 0 UID: 0 PID: 6556 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 236.184555][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 236.184578][ T6556] Call Trace:
[ 236.184593][ T6556]
[ 236.184603][ T6556] dump_stack_lvl+0xe8/0x150
[ 236.184641][ T6556] sysfs_create_dir_ns+0x271/0x2a0
[ 236.184667][ T6556] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 236.184696][ T6556] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 236.184723][ T6556] ? rt_spin_unlock+0x160/0x200
[ 236.184750][ T6556] kobject_add_internal+0x62c/0xce0
[ 236.184780][ T6556] kobject_init_and_add+0x12b/0x1a0
[ 236.184804][ T6556] ? rcu_is_watching+0x15/0xb0
[ 236.184839][ T6556] ? __pfx_kobject_init_and_add+0x10/0x10
[ 236.184863][ T6556] ? __raw_spin_lock_init+0x45/0x100
[ 236.184891][ T6556] ? __init_swait_queue_head+0xa8/0x150
[ 236.184919][ T6556] gfs2_sys_fs_add+0x257/0x480
[ 236.184944][ T6556] ? is_dynamic_key+0xa5/0x1c0
[ 236.184975][ T6556] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 236.185003][ T6556] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 236.185042][ T6556] gfs2_fill_super+0x1368/0x20f0
[ 236.185079][ T6556] ? __pfx_gfs2_fill_super+0x10/0x10
[ 236.185111][ T6556] ? sb_set_blocksize+0x11b/0x210
[ 236.185134][ T6556] ? setup_bdev_super+0x4c1/0x5b0
[ 236.185167][ T6556] get_tree_bdev_flags+0x430/0x4f0
[ 236.185199][ T6556] ? __pfx_gfs2_fill_super+0x10/0x10
[ 236.185231][ T6556] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 236.185267][ T6556] gfs2_get_tree+0x51/0x1e0
[ 236.185309][ T6556] vfs_get_tree+0x92/0x2a0
[ 236.185341][ T6556] do_new_mount+0x319/0xdc0
[ 236.185367][ T6556] ? __pfx_do_new_mount+0x10/0x10
[ 236.185392][ T6556] ? ns_capable+0x89/0xe0
[ 236.185414][ T6556] ? path_mount+0x647/0x1040
[ 236.185436][ T6556] ? user_path_at+0xd4/0x160
[ 236.185459][ T6556] __se_sys_mount+0x31d/0x420
[ 236.185481][ T6556] ? __pfx___se_sys_mount+0x10/0x10
[ 236.185502][ T6556] ? rcu_is_watching+0x15/0xb0
[ 236.185519][ T6556] ? __x64_sys_mount+0x20/0xc0
[ 236.185538][ T6556] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 236.185557][ T6556] do_syscall_64+0x174/0x580
[ 236.185592][ T6556] ? trace_irq_disable+0x3b/0x140
[ 236.185617][ T6556] ? clear_bhb_loop+0x40/0x90
[ 236.185638][ T6556] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 236.185661][ T6556] RIP: 0033:0x7feda925e0ca
[ 236.185678][ T6556] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 236.185699][ T6556] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.185719][ T6556] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 236.185733][ T6556] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 236.185746][ T6556] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 236.185759][ T6556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 236.185772][ T6556] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 236.185793][ T6556]
[ 236.187313][ T6556] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.187337][ T6556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.755920][ T6559] loop1: detected capacity change from 0 to 32768
[ 236.785370][ T6559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.785398][ T6559] CPU: 0 UID: 0 PID: 6559 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 236.785426][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 236.785441][ T6559] Call Trace:
[ 236.785450][ T6559]
[ 236.785472][ T6559] dump_stack_lvl+0xe8/0x150
[ 236.785508][ T6559] sysfs_create_dir_ns+0x271/0x2a0
[ 236.785534][ T6559] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 236.785562][ T6559] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 236.785589][ T6559] ? rt_spin_unlock+0x160/0x200
[ 236.785616][ T6559] kobject_add_internal+0x62c/0xce0
2026/06/16 08:58:35 executed programs: 215
[ 236.785658][ T6559] kobject_init_and_add+0x12b/0x1a0
[ 236.785682][ T6559] ? rcu_is_watching+0x15/0xb0
[ 236.785706][ T6559] ? __pfx_kobject_init_and_add+0x10/0x10
[ 236.785731][ T6559] ? __raw_spin_lock_init+0x45/0x100
[ 236.785760][ T6559] ? __init_swait_queue_head+0xa8/0x150
[ 236.785788][ T6559] gfs2_sys_fs_add+0x257/0x480
[ 236.785812][ T6559] ? is_dynamic_key+0xa5/0x1c0
[ 236.785844][ T6559] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 236.785873][ T6559] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 236.785909][ T6559] gfs2_fill_super+0x1368/0x20f0
[ 236.785948][ T6559] ? __pfx_gfs2_fill_super+0x10/0x10
[ 236.785983][ T6559] ? sb_set_blocksize+0x11b/0x210
[ 236.786008][ T6559] ? setup_bdev_super+0x4c1/0x5b0
[ 236.786041][ T6559] get_tree_bdev_flags+0x430/0x4f0
[ 236.786073][ T6559] ? __pfx_gfs2_fill_super+0x10/0x10
[ 236.786104][ T6559] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 236.786236][ T6559] gfs2_get_tree+0x51/0x1e0
[ 236.786282][ T6559] vfs_get_tree+0x92/0x2a0
[ 236.786317][ T6559] do_new_mount+0x319/0xdc0
[ 236.786345][ T6559] ? __pfx_do_new_mount+0x10/0x10
[ 236.786372][ T6559] ? ns_capable+0x89/0xe0
[ 236.786395][ T6559] ? path_mount+0x647/0x1040
[ 236.786420][ T6559] ? user_path_at+0xd4/0x160
[ 236.786450][ T6559] __se_sys_mount+0x31d/0x420
[ 236.786478][ T6559] ? __pfx___se_sys_mount+0x10/0x10
[ 236.786505][ T6559] ? rcu_is_watching+0x15/0xb0
[ 236.786528][ T6559] ? __x64_sys_mount+0x20/0xc0
[ 236.786552][ T6559] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 236.786577][ T6559] do_syscall_64+0x174/0x580
[ 236.786610][ T6559] ? trace_irq_disable+0x3b/0x140
[ 236.786640][ T6559] ? clear_bhb_loop+0x40/0x90
[ 236.786666][ T6559] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 236.786693][ T6559] RIP: 0033:0x7feda925e0ca
[ 236.786716][ T6559] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 236.786737][ T6559] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.786762][ T6559] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 236.786779][ T6559] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 236.786796][ T6559] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 236.786811][ T6559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 236.786826][ T6559] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 236.786862][ T6559]
[ 236.789086][ T6559] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.789150][ T6559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.314932][ T6562] loop1: detected capacity change from 0 to 32768
[ 237.326997][ T6562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.327023][ T6562] CPU: 1 UID: 0 PID: 6562 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 237.327050][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 237.327064][ T6562] Call Trace:
[ 237.327073][ T6562]
[ 237.327082][ T6562] dump_stack_lvl+0xe8/0x150
[ 237.327127][ T6562] sysfs_create_dir_ns+0x271/0x2a0
[ 237.327148][ T6562] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 237.327172][ T6562] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 237.327192][ T6562] ? rt_spin_unlock+0x160/0x200
[ 237.327214][ T6562] kobject_add_internal+0x62c/0xce0
[ 237.327237][ T6562] kobject_init_and_add+0x12b/0x1a0
[ 237.327255][ T6562] ? rcu_is_watching+0x15/0xb0
[ 237.327275][ T6562] ? __pfx_kobject_init_and_add+0x10/0x10
[ 237.327297][ T6562] ? __raw_spin_lock_init+0x45/0x100
[ 237.327321][ T6562] ? __init_swait_queue_head+0xa8/0x150
[ 237.327343][ T6562] gfs2_sys_fs_add+0x257/0x480
[ 237.327363][ T6562] ? is_dynamic_key+0xa5/0x1c0
[ 237.327388][ T6562] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 237.327411][ T6562] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 237.327440][ T6562] gfs2_fill_super+0x1368/0x20f0
[ 237.327482][ T6562] ? __pfx_gfs2_fill_super+0x10/0x10
[ 237.327510][ T6562] ? sb_set_blocksize+0x11b/0x210
[ 237.327530][ T6562] ? setup_bdev_super+0x4c1/0x5b0
[ 237.327557][ T6562] get_tree_bdev_flags+0x430/0x4f0
[ 237.327583][ T6562] ? __pfx_gfs2_fill_super+0x10/0x10
[ 237.327609][ T6562] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 237.327640][ T6562] gfs2_get_tree+0x51/0x1e0
[ 237.327669][ T6562] vfs_get_tree+0x92/0x2a0
[ 237.327694][ T6562] do_new_mount+0x319/0xdc0
[ 237.327716][ T6562] ? __pfx_do_new_mount+0x10/0x10
[ 237.327736][ T6562] ? ns_capable+0x89/0xe0
[ 237.327754][ T6562] ? path_mount+0x647/0x1040
[ 237.327774][ T6562] ? user_path_at+0xd4/0x160
[ 237.327797][ T6562] __se_sys_mount+0x31d/0x420
[ 237.327818][ T6562] ? __pfx___se_sys_mount+0x10/0x10
[ 237.327839][ T6562] ? rcu_is_watching+0x15/0xb0
[ 237.327856][ T6562] ? __x64_sys_mount+0x20/0xc0
[ 237.327875][ T6562] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 237.327894][ T6562] do_syscall_64+0x174/0x580
[ 237.327925][ T6562] ? trace_irq_disable+0x3b/0x140
[ 237.327950][ T6562] ? clear_bhb_loop+0x40/0x90
[ 237.327971][ T6562] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 237.328005][ T6562] RIP: 0033:0x7feda925e0ca
[ 237.328027][ T6562] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 237.328044][ T6562] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.328065][ T6562] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 237.328080][ T6562] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 237.328094][ T6562] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 237.328106][ T6562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 237.328124][ T6562] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 237.328145][ T6562]
[ 237.329161][ T6562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.330760][ T6562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.866807][ T6565] loop1: detected capacity change from 0 to 32768
[ 237.877405][ T6565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.877432][ T6565] CPU: 1 UID: 0 PID: 6565 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 237.877464][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 237.877479][ T6565] Call Trace:
[ 237.877488][ T6565]
[ 237.877497][ T6565] dump_stack_lvl+0xe8/0x150
[ 237.877534][ T6565] sysfs_create_dir_ns+0x271/0x2a0
[ 237.877560][ T6565] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 237.877588][ T6565] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 237.877615][ T6565] ? rt_spin_unlock+0x160/0x200
[ 237.877659][ T6565] kobject_add_internal+0x62c/0xce0
[ 237.877688][ T6565] kobject_init_and_add+0x12b/0x1a0
[ 237.877712][ T6565] ? rcu_is_watching+0x15/0xb0
[ 237.877736][ T6565] ? __pfx_kobject_init_and_add+0x10/0x10
[ 237.877762][ T6565] ? __raw_spin_lock_init+0x45/0x100
[ 237.877791][ T6565] ? __init_swait_queue_head+0xa8/0x150
[ 237.877820][ T6565] gfs2_sys_fs_add+0x257/0x480
[ 237.877844][ T6565] ? is_dynamic_key+0xa5/0x1c0
[ 237.877874][ T6565] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 237.877901][ T6565] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 237.877936][ T6565] gfs2_fill_super+0x1368/0x20f0
[ 237.877975][ T6565] ? __pfx_gfs2_fill_super+0x10/0x10
[ 237.878010][ T6565] ? sb_set_blocksize+0x11b/0x210
[ 237.878034][ T6565] ? setup_bdev_super+0x4c1/0x5b0
[ 237.878067][ T6565] get_tree_bdev_flags+0x430/0x4f0
[ 237.878097][ T6565] ? __pfx_gfs2_fill_super+0x10/0x10
[ 237.878128][ T6565] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 237.878163][ T6565] gfs2_get_tree+0x51/0x1e0
[ 237.878195][ T6565] vfs_get_tree+0x92/0x2a0
[ 237.878227][ T6565] do_new_mount+0x319/0xdc0
[ 237.878254][ T6565] ? __pfx_do_new_mount+0x10/0x10
[ 237.878279][ T6565] ? ns_capable+0x89/0xe0
[ 237.878301][ T6565] ? path_mount+0x647/0x1040
[ 237.878327][ T6565] ? user_path_at+0xd4/0x160
[ 237.878366][ T6565] __se_sys_mount+0x31d/0x420
[ 237.878394][ T6565] ? __pfx___se_sys_mount+0x10/0x10
[ 237.878420][ T6565] ? rcu_is_watching+0x15/0xb0
[ 237.878441][ T6565] ? __x64_sys_mount+0x20/0xc0
[ 237.878465][ T6565] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 237.878488][ T6565] do_syscall_64+0x174/0x580
[ 237.878522][ T6565] ? trace_irq_disable+0x3b/0x140
[ 237.878553][ T6565] ? clear_bhb_loop+0x40/0x90
[ 237.878580][ T6565] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 237.878603][ T6565] RIP: 0033:0x7feda925e0ca
[ 237.878635][ T6565] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 237.878656][ T6565] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.878681][ T6565] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 237.878698][ T6565] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 237.878715][ T6565] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 237.878731][ T6565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 237.878746][ T6565] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 237.878771][ T6565]
[ 237.882867][ T6565] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.882931][ T6565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.413883][ T6568] loop1: detected capacity change from 0 to 32768
[ 238.424849][ T6568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.424875][ T6568] CPU: 1 UID: 0 PID: 6568 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 238.424902][ T6568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 238.424916][ T6568] Call Trace:
[ 238.424926][ T6568]
[ 238.424936][ T6568] dump_stack_lvl+0xe8/0x150
[ 238.424973][ T6568] sysfs_create_dir_ns+0x271/0x2a0
[ 238.424999][ T6568] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 238.425041][ T6568] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 238.425068][ T6568] ? rt_spin_unlock+0x160/0x200
[ 238.425096][ T6568] kobject_add_internal+0x62c/0xce0
[ 238.425125][ T6568] kobject_init_and_add+0x12b/0x1a0
[ 238.425150][ T6568] ? rcu_is_watching+0x15/0xb0
[ 238.425175][ T6568] ? __pfx_kobject_init_and_add+0x10/0x10
[ 238.425201][ T6568] ? __raw_spin_lock_init+0x45/0x100
[ 238.425230][ T6568] ? __init_swait_queue_head+0xa8/0x150
[ 238.425259][ T6568] gfs2_sys_fs_add+0x257/0x480
[ 238.425284][ T6568] ? is_dynamic_key+0xa5/0x1c0
[ 238.425316][ T6568] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 238.425345][ T6568] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 238.425383][ T6568] gfs2_fill_super+0x1368/0x20f0
[ 238.425423][ T6568] ? __pfx_gfs2_fill_super+0x10/0x10
[ 238.425458][ T6568] ? sb_set_blocksize+0x11b/0x210
[ 238.425483][ T6568] ? setup_bdev_super+0x4c1/0x5b0
[ 238.425518][ T6568] get_tree_bdev_flags+0x430/0x4f0
[ 238.425550][ T6568] ? __pfx_gfs2_fill_super+0x10/0x10
[ 238.425595][ T6568] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 238.425633][ T6568] gfs2_get_tree+0x51/0x1e0
[ 238.425666][ T6568] vfs_get_tree+0x92/0x2a0
[ 238.425699][ T6568] do_new_mount+0x319/0xdc0
[ 238.425728][ T6568] ? __pfx_do_new_mount+0x10/0x10
[ 238.425753][ T6568] ? ns_capable+0x89/0xe0
[ 238.425777][ T6568] ? path_mount+0x647/0x1040
[ 238.425802][ T6568] ? user_path_at+0xd4/0x160
[ 238.425831][ T6568] __se_sys_mount+0x31d/0x420
[ 238.425860][ T6568] ? __pfx___se_sys_mount+0x10/0x10
[ 238.425888][ T6568] ? rcu_is_watching+0x15/0xb0
[ 238.425911][ T6568] ? __x64_sys_mount+0x20/0xc0
[ 238.425936][ T6568] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 238.425961][ T6568] do_syscall_64+0x174/0x580
[ 238.425996][ T6568] ? trace_irq_disable+0x3b/0x140
[ 238.426035][ T6568] ? clear_bhb_loop+0x40/0x90
[ 238.426062][ T6568] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 238.426085][ T6568] RIP: 0033:0x7feda925e0ca
[ 238.426107][ T6568] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 238.426128][ T6568] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.426154][ T6568] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 238.426171][ T6568] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 238.426189][ T6568] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 238.426205][ T6568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 238.426220][ T6568] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 238.426246][ T6568]
[ 238.429397][ T6568] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.429466][ T6568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.994553][ T6571] loop1: detected capacity change from 0 to 32768
[ 239.006905][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.006932][ T6571] CPU: 0 UID: 0 PID: 6571 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 239.006969][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 239.006984][ T6571] Call Trace:
[ 239.006993][ T6571]
[ 239.007003][ T6571] dump_stack_lvl+0xe8/0x150
[ 239.007040][ T6571] sysfs_create_dir_ns+0x271/0x2a0
[ 239.007066][ T6571] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 239.007095][ T6571] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 239.007121][ T6571] ? rt_spin_unlock+0x160/0x200
[ 239.007148][ T6571] kobject_add_internal+0x62c/0xce0
[ 239.007178][ T6571] kobject_init_and_add+0x12b/0x1a0
[ 239.007202][ T6571] ? rcu_is_watching+0x15/0xb0
[ 239.007227][ T6571] ? __pfx_kobject_init_and_add+0x10/0x10
[ 239.007252][ T6571] ? __raw_spin_lock_init+0x45/0x100
[ 239.007282][ T6571] ? __init_swait_queue_head+0xa8/0x150
[ 239.007311][ T6571] gfs2_sys_fs_add+0x257/0x480
[ 239.007337][ T6571] ? is_dynamic_key+0xa5/0x1c0
[ 239.007370][ T6571] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 239.007399][ T6571] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 239.007440][ T6571] gfs2_fill_super+0x1368/0x20f0
[ 239.007479][ T6571] ? __pfx_gfs2_fill_super+0x10/0x10
[ 239.007511][ T6571] ? sb_set_blocksize+0x11b/0x210
[ 239.007534][ T6571] ? setup_bdev_super+0x4c1/0x5b0
[ 239.007567][ T6571] get_tree_bdev_flags+0x430/0x4f0
[ 239.007599][ T6571] ? __pfx_gfs2_fill_super+0x10/0x10
[ 239.007631][ T6571] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 239.007669][ T6571] gfs2_get_tree+0x51/0x1e0
[ 239.007703][ T6571] vfs_get_tree+0x92/0x2a0
[ 239.007736][ T6571] do_new_mount+0x319/0xdc0
[ 239.007762][ T6571] ? __pfx_do_new_mount+0x10/0x10
[ 239.007787][ T6571] ? ns_capable+0x89/0xe0
[ 239.007810][ T6571] ? path_mount+0x647/0x1040
[ 239.007833][ T6571] ? user_path_at+0xd4/0x160
[ 239.007864][ T6571] __se_sys_mount+0x31d/0x420
[ 239.007891][ T6571] ? __pfx___se_sys_mount+0x10/0x10
[ 239.007917][ T6571] ? rcu_is_watching+0x15/0xb0
[ 239.007939][ T6571] ? __x64_sys_mount+0x20/0xc0
[ 239.007968][ T6571] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 239.007987][ T6571] do_syscall_64+0x174/0x580
[ 239.008014][ T6571] ? trace_irq_disable+0x3b/0x140
[ 239.008039][ T6571] ? clear_bhb_loop+0x40/0x90
[ 239.008060][ T6571] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 239.008077][ T6571] RIP: 0033:0x7feda925e0ca
[ 239.008095][ T6571] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 239.008112][ T6571] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.008132][ T6571] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 239.008146][ T6571] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 239.008160][ T6571] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 239.008172][ T6571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 239.008184][ T6571] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 239.008205][ T6571]
[ 239.045502][ T6571] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.045531][ T6571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.573496][ T6574] loop1: detected capacity change from 0 to 32768
[ 239.585810][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.585839][ T6574] CPU: 1 UID: 0 PID: 6574 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 239.585866][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 239.585882][ T6574] Call Trace:
[ 239.585891][ T6574]
[ 239.585901][ T6574] dump_stack_lvl+0xe8/0x150
[ 239.585937][ T6574] sysfs_create_dir_ns+0x271/0x2a0
[ 239.585963][ T6574] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 239.585992][ T6574] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 239.586039][ T6574] ? rt_spin_unlock+0x160/0x200
[ 239.586068][ T6574] kobject_add_internal+0x62c/0xce0
[ 239.586097][ T6574] kobject_init_and_add+0x12b/0x1a0
[ 239.586122][ T6574] ? rcu_is_watching+0x15/0xb0
[ 239.586146][ T6574] ? __pfx_kobject_init_and_add+0x10/0x10
[ 239.586172][ T6574] ? __raw_spin_lock_init+0x45/0x100
[ 239.586201][ T6574] ? __init_swait_queue_head+0xa8/0x150
[ 239.586231][ T6574] gfs2_sys_fs_add+0x257/0x480
[ 239.586256][ T6574] ? is_dynamic_key+0xa5/0x1c0
[ 239.586288][ T6574] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 239.586318][ T6574] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 239.586355][ T6574] gfs2_fill_super+0x1368/0x20f0
[ 239.586395][ T6574] ? __pfx_gfs2_fill_super+0x10/0x10
[ 239.586430][ T6574] ? sb_set_blocksize+0x11b/0x210
[ 239.586454][ T6574] ? setup_bdev_super+0x4c1/0x5b0
[ 239.586488][ T6574] get_tree_bdev_flags+0x430/0x4f0
[ 239.586520][ T6574] ? __pfx_gfs2_fill_super+0x10/0x10
[ 239.586560][ T6574] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 239.586598][ T6574] gfs2_get_tree+0x51/0x1e0
[ 239.586632][ T6574] vfs_get_tree+0x92/0x2a0
[ 239.586666][ T6574] do_new_mount+0x319/0xdc0
[ 239.586697][ T6574] ? __pfx_do_new_mount+0x10/0x10
[ 239.586723][ T6574] ? ns_capable+0x89/0xe0
[ 239.586747][ T6574] ? path_mount+0x647/0x1040
[ 239.586773][ T6574] ? user_path_at+0xd4/0x160
[ 239.586803][ T6574] __se_sys_mount+0x31d/0x420
[ 239.586831][ T6574] ? __pfx___se_sys_mount+0x10/0x10
[ 239.586858][ T6574] ? rcu_is_watching+0x15/0xb0
[ 239.586880][ T6574] ? __x64_sys_mount+0x20/0xc0
[ 239.586906][ T6574] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 239.586931][ T6574] do_syscall_64+0x174/0x580
[ 239.586964][ T6574] ? trace_irq_disable+0x3b/0x140
[ 239.586995][ T6574] ? clear_bhb_loop+0x40/0x90
[ 239.587021][ T6574] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 239.587053][ T6574] RIP: 0033:0x7feda925e0ca
[ 239.587075][ T6574] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 239.587096][ T6574] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.587122][ T6574] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 239.587140][ T6574] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 239.587156][ T6574] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 239.587172][ T6574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 239.587187][ T6574] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 239.587213][ T6574]
[ 239.587288][ T6574] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.587309][ T6574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.147586][ T4922] Bluetooth: hci1: command 0x0406 tx timeout
[ 240.153419][ T6578] loop1: detected capacity change from 0 to 32768
[ 240.172118][ T6578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.172145][ T6578] CPU: 0 UID: 0 PID: 6578 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 240.172174][ T6578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 240.172189][ T6578] Call Trace:
[ 240.172199][ T6578]
[ 240.172209][ T6578] dump_stack_lvl+0xe8/0x150
[ 240.172246][ T6578] sysfs_create_dir_ns+0x271/0x2a0
[ 240.172272][ T6578] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 240.172300][ T6578] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 240.172328][ T6578] ? rt_spin_unlock+0x160/0x200
[ 240.172355][ T6578] kobject_add_internal+0x62c/0xce0
[ 240.172384][ T6578] kobject_init_and_add+0x12b/0x1a0
[ 240.172408][ T6578] ? rcu_is_watching+0x15/0xb0
[ 240.172432][ T6578] ? __pfx_kobject_init_and_add+0x10/0x10
[ 240.172458][ T6578] ? __raw_spin_lock_init+0x45/0x100
[ 240.172487][ T6578] ? __init_swait_queue_head+0xa8/0x150
[ 240.172515][ T6578] gfs2_sys_fs_add+0x257/0x480
[ 240.172541][ T6578] ? is_dynamic_key+0xa5/0x1c0
[ 240.172573][ T6578] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 240.172602][ T6578] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 240.172639][ T6578] gfs2_fill_super+0x1368/0x20f0
[ 240.172679][ T6578] ? __pfx_gfs2_fill_super+0x10/0x10
[ 240.172715][ T6578] ? sb_set_blocksize+0x11b/0x210
[ 240.172740][ T6578] ? setup_bdev_super+0x4c1/0x5b0
[ 240.172775][ T6578] get_tree_bdev_flags+0x430/0x4f0
[ 240.172807][ T6578] ? __pfx_gfs2_fill_super+0x10/0x10
[ 240.172839][ T6578] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 240.172877][ T6578] gfs2_get_tree+0x51/0x1e0
[ 240.172910][ T6578] vfs_get_tree+0x92/0x2a0
[ 240.172942][ T6578] do_new_mount+0x319/0xdc0
[ 240.172970][ T6578] ? __pfx_do_new_mount+0x10/0x10
[ 240.173031][ T6578] ? ns_capable+0x89/0xe0
[ 240.173054][ T6578] ? path_mount+0x647/0x1040
[ 240.173080][ T6578] ? user_path_at+0xd4/0x160
[ 240.173109][ T6578] __se_sys_mount+0x31d/0x420
[ 240.173137][ T6578] ? __pfx___se_sys_mount+0x10/0x10
[ 240.173164][ T6578] ? rcu_is_watching+0x15/0xb0
[ 240.173186][ T6578] ? __x64_sys_mount+0x20/0xc0
[ 240.173211][ T6578] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 240.173235][ T6578] do_syscall_64+0x174/0x580
[ 240.173268][ T6578] ? trace_irq_disable+0x3b/0x140
[ 240.173300][ T6578] ? clear_bhb_loop+0x40/0x90
[ 240.173326][ T6578] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 240.173350][ T6578] RIP: 0033:0x7feda925e0ca
[ 240.173372][ T6578] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 240.173398][ T6578] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.173438][ T6578] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 240.173456][ T6578] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 240.173473][ T6578] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 240.173488][ T6578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 240.173503][ T6578] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 240.173529][ T6578]
[ 240.175032][ T6578] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.175056][ T6578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.738765][ T6581] loop1: detected capacity change from 0 to 32768
[ 240.744017][ T6581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.744043][ T6581] CPU: 1 UID: 0 PID: 6581 Comm: syz.1.236 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 240.744070][ T6581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 240.744083][ T6581] Call Trace:
[ 240.744091][ T6581]
[ 240.744099][ T6581] dump_stack_lvl+0xe8/0x150
[ 240.744130][ T6581] sysfs_create_dir_ns+0x271/0x2a0
[ 240.744150][ T6581] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 240.744174][ T6581] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 240.744195][ T6581] ? rt_spin_unlock+0x160/0x200
[ 240.744222][ T6581] kobject_add_internal+0x62c/0xce0
[ 240.744252][ T6581] kobject_init_and_add+0x12b/0x1a0
[ 240.744271][ T6581] ? rcu_is_watching+0x15/0xb0
[ 240.744290][ T6581] ? __pfx_kobject_init_and_add+0x10/0x10
[ 240.744314][ T6581] ? __raw_spin_lock_init+0x45/0x100
[ 240.744337][ T6581] ? __init_swait_queue_head+0xa8/0x150
[ 240.744360][ T6581] gfs2_sys_fs_add+0x257/0x480
[ 240.744379][ T6581] ? is_dynamic_key+0xa5/0x1c0
[ 240.744404][ T6581] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 240.744427][ T6581] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 240.744456][ T6581] gfs2_fill_super+0x1368/0x20f0
[ 240.744494][ T6581] ? __pfx_gfs2_fill_super+0x10/0x10
[ 240.744522][ T6581] ? sb_set_blocksize+0x11b/0x210
[ 240.744541][ T6581] ? setup_bdev_super+0x4c1/0x5b0
[ 240.744568][ T6581] get_tree_bdev_flags+0x430/0x4f0
[ 240.744594][ T6581] ? __pfx_gfs2_fill_super+0x10/0x10
[ 240.744624][ T6581] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 240.744654][ T6581] gfs2_get_tree+0x51/0x1e0
[ 240.744680][ T6581] vfs_get_tree+0x92/0x2a0
[ 240.744706][ T6581] do_new_mount+0x319/0xdc0
[ 240.744727][ T6581] ? __pfx_do_new_mount+0x10/0x10
[ 240.744747][ T6581] ? ns_capable+0x89/0xe0
[ 240.744765][ T6581] ? path_mount+0x647/0x1040
[ 240.744785][ T6581] ? user_path_at+0xd4/0x160
[ 240.744808][ T6581] __se_sys_mount+0x31d/0x420
[ 240.744829][ T6581] ? __pfx___se_sys_mount+0x10/0x10
[ 240.744851][ T6581] ? rcu_is_watching+0x15/0xb0
[ 240.744868][ T6581] ? __x64_sys_mount+0x20/0xc0
[ 240.744887][ T6581] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 240.744906][ T6581] do_syscall_64+0x174/0x580
[ 240.744931][ T6581] ? trace_irq_disable+0x3b/0x140
[ 240.744957][ T6581] ? clear_bhb_loop+0x40/0x90
[ 240.744978][ T6581] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 240.744997][ T6581] RIP: 0033:0x7feda925e0ca
[ 240.745013][ T6581] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 240.745030][ T6581] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.745049][ T6581] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 240.745063][ T6581] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 240.745077][ T6581] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 240.745090][ T6581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 240.745102][ T6581] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 240.745122][ T6581]
[ 240.745154][ T6581] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.745173][ T6581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.309772][ T6584] loop1: detected capacity change from 0 to 32768
[ 241.320637][ T6584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.320665][ T6584] CPU: 0 UID: 0 PID: 6584 Comm: syz.1.237 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 241.320691][ T6584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 241.320704][ T6584] Call Trace:
[ 241.320714][ T6584]
[ 241.320722][ T6584] dump_stack_lvl+0xe8/0x150
[ 241.320759][ T6584] sysfs_create_dir_ns+0x271/0x2a0
[ 241.320783][ T6584] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 241.320808][ T6584] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 241.320833][ T6584] ? rt_spin_unlock+0x160/0x200
[ 241.320860][ T6584] kobject_add_internal+0x62c/0xce0
[ 241.320899][ T6584] kobject_init_and_add+0x12b/0x1a0
[ 241.320922][ T6584] ? rcu_is_watching+0x15/0xb0
[ 241.320945][ T6584] ? __pfx_kobject_init_and_add+0x10/0x10
[ 241.320970][ T6584] ? __raw_spin_lock_init+0x45/0x100
[ 241.320999][ T6584] ? __init_swait_queue_head+0xa8/0x150
[ 241.321027][ T6584] gfs2_sys_fs_add+0x257/0x480
[ 241.321052][ T6584] ? is_dynamic_key+0xa5/0x1c0
[ 241.321084][ T6584] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 241.321111][ T6584] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 241.321146][ T6584] gfs2_fill_super+0x1368/0x20f0
[ 241.321184][ T6584] ? __pfx_gfs2_fill_super+0x10/0x10
[ 241.321219][ T6584] ? sb_set_blocksize+0x11b/0x210
[ 241.321243][ T6584] ? setup_bdev_super+0x4c1/0x5b0
[ 241.321276][ T6584] get_tree_bdev_flags+0x430/0x4f0
[ 241.321308][ T6584] ? __pfx_gfs2_fill_super+0x10/0x10
[ 241.321339][ T6584] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 241.321375][ T6584] gfs2_get_tree+0x51/0x1e0
[ 241.321408][ T6584] vfs_get_tree+0x92/0x2a0
[ 241.321440][ T6584] do_new_mount+0x319/0xdc0
[ 241.321466][ T6584] ? __pfx_do_new_mount+0x10/0x10
[ 241.321491][ T6584] ? ns_capable+0x89/0xe0
[ 241.321514][ T6584] ? path_mount+0x647/0x1040
[ 241.321548][ T6584] ? user_path_at+0xd4/0x160
[ 241.321577][ T6584] __se_sys_mount+0x31d/0x420
[ 241.321605][ T6584] ? __pfx___se_sys_mount+0x10/0x10
[ 241.321632][ T6584] ? rcu_is_watching+0x15/0xb0
[ 241.321654][ T6584] ? __x64_sys_mount+0x20/0xc0
[ 241.321677][ T6584] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 241.321702][ T6584] do_syscall_64+0x174/0x580
[ 241.321735][ T6584] ? trace_irq_disable+0x3b/0x140
[ 241.321766][ T6584] ? clear_bhb_loop+0x40/0x90
[ 241.321792][ T6584] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 241.321815][ T6584] RIP: 0033:0x7feda925e0ca
[ 241.321838][ T6584] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 241.321859][ T6584] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.321891][ T6584] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 241.321909][ T6584] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 241.321929][ T6584] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 241.321944][ T6584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 241.321959][ T6584] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 241.321983][ T6584]
[ 241.369185][ T6584] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.369275][ T6584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.887256][ T6588] loop1: detected capacity change from 0 to 32768
[ 241.898158][ T6588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.898309][ T6588] CPU: 1 UID: 0 PID: 6588 Comm: syz.1.238 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 241.898338][ T6588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
2026/06/16 08:58:40 executed programs: 224
[ 241.898353][ T6588] Call Trace:
[ 241.898362][ T6588]
[ 241.898373][ T6588] dump_stack_lvl+0xe8/0x150
[ 241.898409][ T6588] sysfs_create_dir_ns+0x271/0x2a0
[ 241.898434][ T6588] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 241.898462][ T6588] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 241.898490][ T6588] ? rt_spin_unlock+0x160/0x200
[ 241.898517][ T6588] kobject_add_internal+0x62c/0xce0
[ 241.898546][ T6588] kobject_init_and_add+0x12b/0x1a0
[ 241.898570][ T6588] ? rcu_is_watching+0x15/0xb0
[ 241.898594][ T6588] ? __pfx_kobject_init_and_add+0x10/0x10
[ 241.898619][ T6588] ? __raw_spin_lock_init+0x45/0x100
[ 241.898647][ T6588] ? __init_swait_queue_head+0xa8/0x150
[ 241.898675][ T6588] gfs2_sys_fs_add+0x257/0x480
[ 241.898700][ T6588] ? is_dynamic_key+0xa5/0x1c0
[ 241.898738][ T6588] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 241.898766][ T6588] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 241.898828][ T6588] gfs2_fill_super+0x1368/0x20f0
[ 241.898939][ T6588] ? __pfx_gfs2_fill_super+0x10/0x10
[ 241.898976][ T6588] ? sb_set_blocksize+0x11b/0x210
[ 241.899000][ T6588] ? setup_bdev_super+0x4c1/0x5b0
[ 241.899035][ T6588] get_tree_bdev_flags+0x430/0x4f0
[ 241.899068][ T6588] ? __pfx_gfs2_fill_super+0x10/0x10
[ 241.899101][ T6588] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 241.899138][ T6588] gfs2_get_tree+0x51/0x1e0
[ 241.899171][ T6588] vfs_get_tree+0x92/0x2a0
[ 241.899205][ T6588] do_new_mount+0x319/0xdc0
[ 241.899233][ T6588] ? __pfx_do_new_mount+0x10/0x10
[ 241.899259][ T6588] ? ns_capable+0x89/0xe0
[ 241.899282][ T6588] ? path_mount+0x647/0x1040
[ 241.899308][ T6588] ? user_path_at+0xd4/0x160
[ 241.899337][ T6588] __se_sys_mount+0x31d/0x420
[ 241.899366][ T6588] ? __pfx___se_sys_mount+0x10/0x10
[ 241.899394][ T6588] ? rcu_is_watching+0x15/0xb0
[ 241.899416][ T6588] ? __x64_sys_mount+0x20/0xc0
[ 241.899442][ T6588] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 241.899467][ T6588] do_syscall_64+0x174/0x580
[ 241.899502][ T6588] ? trace_irq_disable+0x3b/0x140
[ 241.899534][ T6588] ? clear_bhb_loop+0x40/0x90
[ 241.899560][ T6588] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 241.899584][ T6588] RIP: 0033:0x7feda925e0ca
[ 241.899607][ T6588] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 241.899629][ T6588] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.899654][ T6588] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 241.899671][ T6588] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 241.899687][ T6588] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 241.899703][ T6588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 241.899718][ T6588] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 241.899744][ T6588]
[ 241.899910][ T6588] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.899932][ T6588] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.470676][ T6591] loop1: detected capacity change from 0 to 32768
[ 242.494702][ T6591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.494730][ T6591] CPU: 0 UID: 0 PID: 6591 Comm: syz.1.239 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 242.494759][ T6591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 242.494774][ T6591] Call Trace:
[ 242.494784][ T6591]
[ 242.494794][ T6591] dump_stack_lvl+0xe8/0x150
[ 242.494832][ T6591] sysfs_create_dir_ns+0x271/0x2a0
[ 242.494858][ T6591] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 242.494898][ T6591] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 242.494925][ T6591] ? rt_spin_unlock+0x160/0x200
[ 242.494951][ T6591] kobject_add_internal+0x62c/0xce0
[ 242.494981][ T6591] kobject_init_and_add+0x12b/0x1a0
[ 242.495006][ T6591] ? rcu_is_watching+0x15/0xb0
[ 242.495030][ T6591] ? __pfx_kobject_init_and_add+0x10/0x10
[ 242.495055][ T6591] ? __raw_spin_lock_init+0x45/0x100
[ 242.495084][ T6591] ? __init_swait_queue_head+0xa8/0x150
[ 242.495114][ T6591] gfs2_sys_fs_add+0x257/0x480
[ 242.495139][ T6591] ? is_dynamic_key+0xa5/0x1c0
[ 242.495171][ T6591] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 242.495200][ T6591] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 242.495237][ T6591] gfs2_fill_super+0x1368/0x20f0
[ 242.495277][ T6591] ? __pfx_gfs2_fill_super+0x10/0x10
[ 242.495313][ T6591] ? sb_set_blocksize+0x11b/0x210
[ 242.495338][ T6591] ? setup_bdev_super+0x4c1/0x5b0
[ 242.495372][ T6591] get_tree_bdev_flags+0x430/0x4f0
[ 242.495406][ T6591] ? __pfx_gfs2_fill_super+0x10/0x10
[ 242.495438][ T6591] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 242.495475][ T6591] gfs2_get_tree+0x51/0x1e0
[ 242.495509][ T6591] vfs_get_tree+0x92/0x2a0
[ 242.495542][ T6591] do_new_mount+0x319/0xdc0
[ 242.495570][ T6591] ? __pfx_do_new_mount+0x10/0x10
[ 242.495596][ T6591] ? ns_capable+0x89/0xe0
[ 242.495617][ T6591] ? path_mount+0x647/0x1040
[ 242.495641][ T6591] ? user_path_at+0xd4/0x160
[ 242.495670][ T6591] __se_sys_mount+0x31d/0x420
[ 242.495697][ T6591] ? __pfx___se_sys_mount+0x10/0x10
[ 242.495725][ T6591] ? rcu_is_watching+0x15/0xb0
[ 242.495747][ T6591] ? __x64_sys_mount+0x20/0xc0
[ 242.495772][ T6591] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 242.495798][ T6591] do_syscall_64+0x174/0x580
[ 242.495831][ T6591] ? trace_irq_disable+0x3b/0x140
[ 242.495863][ T6591] ? clear_bhb_loop+0x40/0x90
[ 242.495898][ T6591] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 242.495925][ T6591] RIP: 0033:0x7feda925e0ca
[ 242.495947][ T6591] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 242.495966][ T6591] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.495989][ T6591] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 242.496006][ T6591] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 242.496022][ T6591] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 242.496037][ T6591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 242.496052][ T6591] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 242.496077][ T6591]
[ 242.496155][ T6591] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.496176][ T6591] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.066398][ T6595] loop1: detected capacity change from 0 to 32768
[ 243.088991][ T6595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.089020][ T6595] CPU: 1 UID: 0 PID: 6595 Comm: syz.1.240 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 243.089048][ T6595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 243.089062][ T6595] Call Trace:
[ 243.089073][ T6595]
[ 243.089083][ T6595] dump_stack_lvl+0xe8/0x150
[ 243.089121][ T6595] sysfs_create_dir_ns+0x271/0x2a0
[ 243.089147][ T6595] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 243.089176][ T6595] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 243.089203][ T6595] ? rt_spin_unlock+0x160/0x200
[ 243.089230][ T6595] kobject_add_internal+0x62c/0xce0
[ 243.089260][ T6595] kobject_init_and_add+0x12b/0x1a0
[ 243.089285][ T6595] ? rcu_is_watching+0x15/0xb0
[ 243.089310][ T6595] ? __pfx_kobject_init_and_add+0x10/0x10
[ 243.089335][ T6595] ? __raw_spin_lock_init+0x45/0x100
[ 243.089365][ T6595] ? __init_swait_queue_head+0xa8/0x150
[ 243.089394][ T6595] gfs2_sys_fs_add+0x257/0x480
[ 243.089420][ T6595] ? is_dynamic_key+0xa5/0x1c0
[ 243.089453][ T6595] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 243.089482][ T6595] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 243.089520][ T6595] gfs2_fill_super+0x1368/0x20f0
[ 243.089560][ T6595] ? __pfx_gfs2_fill_super+0x10/0x10
[ 243.089596][ T6595] ? sb_set_blocksize+0x11b/0x210
[ 243.089621][ T6595] ? setup_bdev_super+0x4c1/0x5b0
[ 243.089657][ T6595] get_tree_bdev_flags+0x430/0x4f0
[ 243.089689][ T6595] ? __pfx_gfs2_fill_super+0x10/0x10
[ 243.089721][ T6595] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 243.089758][ T6595] gfs2_get_tree+0x51/0x1e0
[ 243.089791][ T6595] vfs_get_tree+0x92/0x2a0
[ 243.089825][ T6595] do_new_mount+0x319/0xdc0
[ 243.089853][ T6595] ? __pfx_do_new_mount+0x10/0x10
[ 243.089880][ T6595] ? ns_capable+0x89/0xe0
[ 243.089903][ T6595] ? path_mount+0x647/0x1040
[ 243.089940][ T6595] ? user_path_at+0xd4/0x160
[ 243.089969][ T6595] __se_sys_mount+0x31d/0x420
[ 243.089998][ T6595] ? __pfx___se_sys_mount+0x10/0x10
[ 243.090025][ T6595] ? rcu_is_watching+0x15/0xb0
[ 243.090048][ T6595] ? __x64_sys_mount+0x20/0xc0
[ 243.090073][ T6595] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 243.090098][ T6595] do_syscall_64+0x174/0x580
[ 243.090132][ T6595] ? trace_irq_disable+0x3b/0x140
[ 243.090164][ T6595] ? clear_bhb_loop+0x40/0x90
[ 243.090191][ T6595] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 243.090214][ T6595] RIP: 0033:0x7feda925e0ca
[ 243.090236][ T6595] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 243.090256][ T6595] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.090281][ T6595] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 243.090299][ T6595] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 243.090315][ T6595] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 243.090332][ T6595] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 243.090347][ T6595] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 243.090372][ T6595]
[ 243.090412][ T6595] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.090432][ T6595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.637970][ T6600] loop1: detected capacity change from 0 to 32768
[ 243.644297][ T6600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.644324][ T6600] CPU: 1 UID: 0 PID: 6600 Comm: syz.1.241 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 243.644350][ T6600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 243.644366][ T6600] Call Trace:
[ 243.644375][ T6600]
[ 243.644385][ T6600] dump_stack_lvl+0xe8/0x150
[ 243.644422][ T6600] sysfs_create_dir_ns+0x271/0x2a0
[ 243.644448][ T6600] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 243.644477][ T6600] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 243.644505][ T6600] ? rt_spin_unlock+0x160/0x200
[ 243.644532][ T6600] kobject_add_internal+0x62c/0xce0
[ 243.644561][ T6600] kobject_init_and_add+0x12b/0x1a0
[ 243.644586][ T6600] ? rcu_is_watching+0x15/0xb0
[ 243.644615][ T6600] ? __pfx_kobject_init_and_add+0x10/0x10
[ 243.644640][ T6600] ? __raw_spin_lock_init+0x45/0x100
[ 243.644670][ T6600] ? __init_swait_queue_head+0xa8/0x150
[ 243.644699][ T6600] gfs2_sys_fs_add+0x257/0x480
[ 243.644724][ T6600] ? is_dynamic_key+0xa5/0x1c0
[ 243.644755][ T6600] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 243.644796][ T6600] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 243.644833][ T6600] gfs2_fill_super+0x1368/0x20f0
[ 243.644872][ T6600] ? __pfx_gfs2_fill_super+0x10/0x10
[ 243.644909][ T6600] ? sb_set_blocksize+0x11b/0x210
[ 243.644933][ T6600] ? setup_bdev_super+0x4c1/0x5b0
[ 243.644967][ T6600] get_tree_bdev_flags+0x430/0x4f0
[ 243.644999][ T6600] ? __pfx_gfs2_fill_super+0x10/0x10
[ 243.645031][ T6600] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 243.645069][ T6600] gfs2_get_tree+0x51/0x1e0
[ 243.645102][ T6600] vfs_get_tree+0x92/0x2a0
[ 243.645135][ T6600] do_new_mount+0x319/0xdc0
[ 243.645164][ T6600] ? __pfx_do_new_mount+0x10/0x10
[ 243.645191][ T6600] ? ns_capable+0x89/0xe0
[ 243.645214][ T6600] ? path_mount+0x647/0x1040
[ 243.645239][ T6600] ? user_path_at+0xd4/0x160
[ 243.645269][ T6600] __se_sys_mount+0x31d/0x420
[ 243.645297][ T6600] ? __pfx___se_sys_mount+0x10/0x10
[ 243.645325][ T6600] ? rcu_is_watching+0x15/0xb0
[ 243.645347][ T6600] ? __x64_sys_mount+0x20/0xc0
[ 243.645370][ T6600] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 243.645395][ T6600] do_syscall_64+0x174/0x580
[ 243.645429][ T6600] ? trace_irq_disable+0x3b/0x140
[ 243.645463][ T6600] ? clear_bhb_loop+0x40/0x90
[ 243.645491][ T6600] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 243.645515][ T6600] RIP: 0033:0x7feda925e0ca
[ 243.645536][ T6600] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 243.645556][ T6600] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.645581][ T6600] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 243.645599][ T6600] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 243.645615][ T6600] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 243.645631][ T6600] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 243.645647][ T6600] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 243.645671][ T6600]
[ 243.646483][ T6600] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.646506][ T6600] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.233238][ T6603] loop1: detected capacity change from 0 to 32768
[ 244.236669][ T6603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.236696][ T6603] CPU: 0 UID: 0 PID: 6603 Comm: syz.1.242 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 244.236724][ T6603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 244.236738][ T6603] Call Trace:
[ 244.236748][ T6603]
[ 244.236757][ T6603] dump_stack_lvl+0xe8/0x150
[ 244.236793][ T6603] sysfs_create_dir_ns+0x271/0x2a0
[ 244.236817][ T6603] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 244.236844][ T6603] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 244.236871][ T6603] ? rt_spin_unlock+0x160/0x200
[ 244.236897][ T6603] kobject_add_internal+0x62c/0xce0
[ 244.236924][ T6603] kobject_init_and_add+0x12b/0x1a0
[ 244.236947][ T6603] ? rcu_is_watching+0x15/0xb0
[ 244.236969][ T6603] ? __pfx_kobject_init_and_add+0x10/0x10
[ 244.236992][ T6603] ? __raw_spin_lock_init+0x45/0x100
[ 244.237021][ T6603] ? __init_swait_queue_head+0xa8/0x150
[ 244.237047][ T6603] gfs2_sys_fs_add+0x257/0x480
[ 244.237070][ T6603] ? is_dynamic_key+0xa5/0x1c0
[ 244.237101][ T6603] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 244.237129][ T6603] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 244.237165][ T6603] gfs2_fill_super+0x1368/0x20f0
[ 244.237216][ T6603] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.237251][ T6603] ? sb_set_blocksize+0x11b/0x210
[ 244.237276][ T6603] ? setup_bdev_super+0x4c1/0x5b0
[ 244.237309][ T6603] get_tree_bdev_flags+0x430/0x4f0
[ 244.237342][ T6603] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.237370][ T6603] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 244.237400][ T6603] gfs2_get_tree+0x51/0x1e0
[ 244.237427][ T6603] vfs_get_tree+0x92/0x2a0
[ 244.237458][ T6603] do_new_mount+0x319/0xdc0
[ 244.237484][ T6603] ? __pfx_do_new_mount+0x10/0x10
[ 244.237506][ T6603] ? ns_capable+0x89/0xe0
[ 244.237524][ T6603] ? path_mount+0x647/0x1040
[ 244.237557][ T6603] ? user_path_at+0xd4/0x160
[ 244.237581][ T6603] __se_sys_mount+0x31d/0x420
[ 244.237603][ T6603] ? __pfx___se_sys_mount+0x10/0x10
[ 244.237624][ T6603] ? rcu_is_watching+0x15/0xb0
[ 244.237642][ T6603] ? __x64_sys_mount+0x20/0xc0
[ 244.237660][ T6603] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.237680][ T6603] do_syscall_64+0x174/0x580
[ 244.237708][ T6603] ? trace_irq_disable+0x3b/0x140
[ 244.237733][ T6603] ? clear_bhb_loop+0x40/0x90
[ 244.237753][ T6603] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.237771][ T6603] RIP: 0033:0x7feda925e0ca
[ 244.237789][ T6603] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 244.237805][ T6603] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.237825][ T6603] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 244.237839][ T6603] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 244.237853][ T6603] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 244.237866][ T6603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 244.237878][ T6603] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 244.237898][ T6603]
[ 244.238339][ T6603] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.238402][ T6603] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.798286][ T6606] loop1: detected capacity change from 0 to 32768
[ 244.814317][ T6606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.814343][ T6606] CPU: 1 UID: 0 PID: 6606 Comm: syz.1.243 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 244.814370][ T6606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 244.814384][ T6606] Call Trace:
[ 244.814394][ T6606]
[ 244.814403][ T6606] dump_stack_lvl+0xe8/0x150
[ 244.814441][ T6606] sysfs_create_dir_ns+0x271/0x2a0
[ 244.814468][ T6606] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 244.814497][ T6606] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 244.814524][ T6606] ? rt_spin_unlock+0x160/0x200
[ 244.814552][ T6606] kobject_add_internal+0x62c/0xce0
[ 244.814581][ T6606] kobject_init_and_add+0x12b/0x1a0
[ 244.814606][ T6606] ? rcu_is_watching+0x15/0xb0
[ 244.814632][ T6606] ? __pfx_kobject_init_and_add+0x10/0x10
[ 244.814658][ T6606] ? __raw_spin_lock_init+0x45/0x100
[ 244.814687][ T6606] ? __init_swait_queue_head+0xa8/0x150
[ 244.814714][ T6606] gfs2_sys_fs_add+0x257/0x480
[ 244.814740][ T6606] ? is_dynamic_key+0xa5/0x1c0
[ 244.814772][ T6606] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 244.814802][ T6606] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 244.814849][ T6606] gfs2_fill_super+0x1368/0x20f0
[ 244.814888][ T6606] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.814924][ T6606] ? sb_set_blocksize+0x11b/0x210
[ 244.814949][ T6606] ? setup_bdev_super+0x4c1/0x5b0
[ 244.814989][ T6606] get_tree_bdev_flags+0x430/0x4f0
[ 244.815022][ T6606] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.815055][ T6606] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 244.815093][ T6606] gfs2_get_tree+0x51/0x1e0
[ 244.815126][ T6606] vfs_get_tree+0x92/0x2a0
[ 244.815159][ T6606] do_new_mount+0x319/0xdc0
[ 244.815187][ T6606] ? __pfx_do_new_mount+0x10/0x10
[ 244.815213][ T6606] ? ns_capable+0x89/0xe0
[ 244.815237][ T6606] ? path_mount+0x647/0x1040
[ 244.815263][ T6606] ? user_path_at+0xd4/0x160
[ 244.815292][ T6606] __se_sys_mount+0x31d/0x420
[ 244.815322][ T6606] ? __pfx___se_sys_mount+0x10/0x10
[ 244.815349][ T6606] ? rcu_is_watching+0x15/0xb0
[ 244.815372][ T6606] ? __x64_sys_mount+0x20/0xc0
[ 244.815397][ T6606] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.815422][ T6606] do_syscall_64+0x174/0x580
[ 244.815456][ T6606] ? trace_irq_disable+0x3b/0x140
[ 244.815487][ T6606] ? clear_bhb_loop+0x40/0x90
[ 244.815513][ T6606] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.815535][ T6606] RIP: 0033:0x7feda925e0ca
[ 244.815556][ T6606] Code: 48 c7 c2 e8 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 e8 ff ff ff f7 d8 64 89 01 48
[ 244.815577][ T6606] RSP: 002b:00007ffff22959b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.815601][ T6606] RAX: ffffffffffffffda RBX: 00007ffff2295a40 RCX: 00007feda925e0ca
[ 244.815618][ T6606] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffff2295a00
[ 244.815635][ T6606] RBP: 000020000001f680 R08: 00007ffff2295a40 R09: 0000000000000000
[ 244.815651][ T6606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 244.815665][ T6606] R13: 00007ffff2295a00 R14: 000000000001f7dd R15: 0000200000000380
[ 244.815690][ T6606]
[ 244.815739][ T6606] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.815760][ T6606] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.097576][ T39] INFO: task kworker/1:0:32 blocked in I/O wait for more than 143 seconds.
[ 245.097682][ T39] Not tainted syzkaller #0
[ 245.097696][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 245.097741][ T39] task:kworker/1:0 state:D stack:22504 pid:32 tgid:32 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 245.097830][ T39] Workqueue: gfs2_recovery gfs2_recover_func
[ 245.097875][ T39] Call Trace:
[ 245.097885][ T39]
[ 245.097896][ T39] __schedule+0x1709/0x5530
[ 245.097975][ T39] ? __pfx___schedule+0x10/0x10
[ 245.098008][ T39] ? rcu_is_watching+0x15/0xb0
[ 245.098032][ T39] ? schedule+0x90/0x360
[ 245.098060][ T39] ? wq_worker_sleeping+0x66/0x250
[ 245.098087][ T39] schedule+0x164/0x360
[ 245.098118][ T39] io_schedule+0x7f/0xd0
[ 245.098149][ T39] folio_wait_bit_common+0x83c/0xbc0
[ 245.098243][ T39] ? __pfx_folio_wait_bit_common+0x10/0x10
[ 245.098269][ T39] ? __pfx_wake_page_function+0x10/0x10
[ 245.098303][ T39] gfs2_jhead_process_page+0x17f/0x670
[ 245.098343][ T39] ? pfn_valid+0x440/0x4c0
[ 245.098378][ T39] ? __pfx_gfs2_jhead_process_page+0x10/0x10
[ 245.098411][ T39] gfs2_find_jhead+0xbe0/0x[ 245.098411][ T39] gfs2_find_jhead+0xbe0/0xd20
[ 245.098446][ T39] gfs2_recover_func+0x6bd/0x1f00
[ 245.098485][ T39] ? cpuacct_charge+0x112/0x320
[ 245.098512][ T39] ? __pfx_gfs2_recover_func+0x10/0x10
[ 245.098541][ T39] ? do_raw_spin_lock+0x12b/0x2f0
[ 245.098570][ T39] ? rcu_is_watching+0x15/0xb0
[ 245.098594][ T39] ? rcu_is_watching+0x15/0xb0
[ 245.098638][ T39] ? trace_hrtimer_start+0x82/0x200
[ 245.098702][ T39] ? hrtimer_start_range_ns_common+0x841/0xb90
[ 245.098729][ T39] ? rcu_is_watching+0x15/0xb0
[ 245.098753][ T39] ? do_raw_spin_lock+0x12b/0x2f0
[ 245.098784][ T39] ? rcu_is_watching+0x15/0xb0
[ 245.098810][ T39] ? process_one_work+0x8cd/0x12b0
[ 245.098842][ T39] ? rcu_is_watching+0x15/0xb0
[ 245.098862][ T39] ? process_one_work+0x8cd/0x12b0
[ 245.098896][ T39] ? process_one_work+0x8cd/0x12b0
[ 245.098927][ T39] process_one_work+0x93a/0x12b0
[ 245.098998][ T39] ? __pfx_process_one_work+0x10/0x10
[ 245.099036][ T39] ? do_raw_spin_lock+0x12b/0x2f0
[ 245.099067][ T39] ? assign_work+0x3cf/0x5d0
[ 245.099105][ T39] worker_thread+0xb05/0x10d0
[ 245.099141][ T39] kthread+0x388/0x470
[ 245.099171][ T39] ? __pfx_worker_thread+0x10/0x10
[ 245.099193][ T39] ? __pfx_kthread+0x10/0x10
[ 245.099222][ T39] ret_from_fork+0x514/0xb70
[ 245.099256][ T39] ? __pfx_ret_from_fork+0x10/0x10
[ 245.099285][ T39] ? __switch_to+0xc89/0x1420
[ 245.099310][ T39] ? __pfx_kthread+0x10/0x10
[ 245.099348][ T39] ret_from_fork_asm+0x1a/0x30
[ 245.099391][ T39]
[ 245.099568][ T39] INFO: task syz.0.19:5878 blocked for more than 143 seconds.
[ 245.099586][ T39] Not tainted syzkaller #0
[ 245.099599][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 245.099610][ T39] task:syz.0.19 state:D stack:23768 pid:5878 tgid:5878 ppid:5745 task_flags:0x400140 flags:0x00080002
[ 245.099679][ T39] Call Trace:
[ 245.099686][ T39]
[ 245.099698][ T39] __schedule+0x1709/0x5530
[ 245.099742][ T39] ? trace_irq_enable+0x3b/0x140
[ 245.099774][ T39] ? __pfx___schedule+0x10/0x10
[ 245.099807][ T39] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 245.099839][ T39] schedule+0x164/0x360
[ 245.099869][ T39] bit_wait+0x11/0xd0
[ 245.099902][ T39] __wait_on_bit+0xac/0x2f0
[ 245.099934][ T39] ? __pfx_bit_wait+0x10/0x10
[ 245.099979][ T39] out_of_line_wait_on_bit+0x13b/0x190
[ 245.100014][ T39] ? __pfx_bit_wait+0x10/0x10
[ 245.100045][ T39] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 245.100080][ T39] ? __pfx_wake_bit_function+0x10/0x10
[ 245.100114][ T39] gfs2_recover_journal+0xda/0x140
[ 245.100148][ T39] init_journal+0x1af4/0x2330
[ 245.100188][ T39] ? init_inodes+0xdb/0x320
[ 245.100223][ T39] ? __pfx_init_journal+0x10/0x10
[ 245.100264][ T39] ? snprintf+0xe8/0x140
[ 245.100293][ T39] ? init_inodes+0xdb/0x320
[ 245.100332][ T39] ? __pfx_snprintf+0x10/0x10
[ 245.100360][ T39] ? gfs2_glock_nq_num+0x13d/0x170
[ 245.100466][ T39] init_inodes+0xdb/0x320
[ 245.100500][ T39] gfs2_fill_super+0x1982/0x20f0
[ 245.100539][ T39] ? __pfx_gfs2_fill_super+0x10/0x10
[ 245.100572][ T39] ? init_locking+0xb8/0x210
[ 245.100602][ T39] ? sb_set_blocksize+0x11b/0x210
[ 245.100626][ T39] ? setup_bdev_super+0x4c1/0x5b0
[ 245.100661][ T39] get_tree_bdev_flags+0x430/0x4f0
[ 245.100695][ T39] ? __pfx_gfs2_fill_super+0x10/0x10
[ 245.100728][ T39] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 245.247681][ T39] gfs2_get_tree+0x51/0x1e0
[ 245.247809][ T39] vfs_get_tree+0x92/0x2a0
[ 245.247906][ T39] do_new_mount+0x319/0xdc0
[ 245.247980][ T39] ? __pfx_do_new_mount+0x10/0x10
[ 245.248052][ T39] ? ns_capable+0x89/0xe0
[ 245.248102][ T39] ? path_mount+0x647/0x1040
[ 245.248158][ T39] ? user_path_at+0xd4/0x160
[ 245.248239][ T39] __se_sys_mount+0x31d/0x420
[ 245.248313][ T39] ? __pfx___se_sys_mount+0x10/0x10
[ 245.248374][ T39] ? rcu_is_watching+0x15/0xb0
[ 245.248429][ T39] ? __x64_sys_mount+0x20/0xc0
[ 245.248493][ T39] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 245.248556][ T39] do_syscall_64+0x174/0x580
[ 245.248649][ T39] ? trace_irq_disable+0x3b/0x140
[ 245.248714][ T39] ? clear_bhb_loop+0x40/0x90
[ 245.248812][ T39] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 245.248912][ T39] RIP: 0033:0x7f3d7a0be0ca
[ 245.248966][ T39] RSP: 002b:00007ffcdebccc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.249031][ T39] RAX: ffffffffffffffda RBX: 00007ffcdebcccb0 RCX: 00007f3d7a0be0ca
[ 245.249084][ T39] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcdebccc70
[ 245.250485][ T39] RBP: 000020000001f680 R08: 00007ffcdebcccb0 R09: 0000000000000000
[ 245.250538][ T39] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 245.250580][ T39] R13: 00007ffcdebccc70 R14: 000000000001f7dd R15: 0000200000000380
[ 245.250645][ T39]
[ 245.250859][ T39] INFO: lockdep is turned off.
[ 245.250944][ T39] NMI backtrace for cpu 1
[ 245.250995][ T39] CPU: 1 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 245.251060][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 245.251101][ T39] Call Trace:
[ 245.251123][ T39]
[ 245.251145][ T39] dump_stack_lvl+0xe8/0x150
[ 245.251230][ T39] nmi_cpu_backtrace+0x274/0x2d0
[ 245.251342][ T39] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 245.251506][ T39] nmi_trigger_cpumask_backtrace+0x17a/0x380
[ 245.251597][ T39] sys_info+0x135/0x170
[ 245.251660][ T39] watchdog+0xfd7/0x1030
[ 245.251758][ T39] ? watchdog+0x1c7/0x1030
[ 245.251871][ T39] kthread+0x388/0x470
[ 245.251952][ T39] ? __pfx_watchdog+0x10/0x10
[ 245.252025][ T39] ? __pfx_kthread+0x10/0x10
[ 245.252098][ T39] ret_from_fork+0x514/0xb70
[ 245.252180][ T39] ? __pfx_ret_from_fork+0x10/0x10
[ 245.252255][ T39] ? __switch_to+0xc89/0x1420
[ 245.252317][ T39] ? __pfx_kthread+0x10/0x10
[ 245.252377][ T39] ret_from_fork_asm+0x1a/0x30
[ 245.252481][ T39]
[ 245.252589][ T39] Sending NMI from CPU 1 to CPUs 0:
[ 245.252703][ C0] NMI backtrace for cpu 0
[ 245.252753][ C0] CPU: 0 UID: 0 PID: 17 Comm: pr/legacy Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 245.252775][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 245.252787][ C0] RIP: 0010:io_serial_in+0x77/0xc0
[ 245.252878][ C0] Code: e8 9e cb 81 fc 44 89 f9 d3 e3 49 83 ee 80 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 3f a8 ed fc 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f c3 cc cc cc cc cc 44 89 f9 80 e1 07
[ 245.252896][ C0] RSP: 0018:ffffc90000167a28 EFLAGS: 00000202
[ 245.252913][ C0] RAX: 1ffffffff3378100 RBX: 00000000000003fd RCX: 0000000000000000
[ 245.252927][ C0] RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000000
[ 245.252938][ C0] RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
[ 245.252952][ C0] R10: dffffc0000000000 R11: ffffffff85434b70 R12: dffffc0000000000
[ 245.252966][ C0] R13: 0000000000000000 R14: ffffffff99bc0ce0 R15: 0000000000000000
[ 245.252979][ C0] FS: 0000000000000000(0000) GS:ffff888125ecb000(0000) knlGS:0000000000000000
[ 245.252995][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 245.253009][ C0] CR2: 00007fe5d0e8a000 CR3: 0000000043de0000 CR4: 00000000003526f0
[ 245.253053][ C0] Call Trace:
[ 245.253061][ C0]
[ 245.253070][ C0] wait_for_lsr+0x190/0x300
[ 245.253092][ C0] serial8250_console_write+0x113a/0x1b40
[ 245.253118][ C0] ? __pfx_serial8250_console_write+0x10/0x10
[ 245.253137][ C0] ? rcu_is_watching+0x15/0xb0
[ 245.253155][ C0] ? lock_acquire+0x5f/0x350
[ 245.253183][ C0] ? console_flush_one_record+0x472/0xb50
[ 245.253236][ C0] console_flush_one_record+0x642/0xb50
[ 245.253261][ C0] ? rcu_is_watching+0x15/0xb0
[ 245.253279][ C0] ? console_flush_one_record+0xfa/0xb50
[ 245.253306][ C0] ? __pfx_console_flush_one_record+0x10/0x10
[ 245.253337][ C0] ? rcu_is_watching+0x15/0xb0
[ 245.253355][ C0] ? trace_irq_enable+0x3b/0x140
[ 245.253382][ C0] legacy_kthread_func+0x1b6/0x250
[ 245.253406][ C0] ? rcu_is_watching+0x15/0xb0
[ 245.253425][ C0] ? __pfx_legacy_kthread_func+0x10/0x10
[ 245.253449][ C0] ? __pfx_autoremove_wake_function+0x10/0x10
[ 245.253473][ C0] ? __kthread_parkme+0x71/0x1f0
[ 245.253493][ C0] ? __kthread_parkme+0x196/0x1f0
[ 245.253515][ C0] kthread+0x388/0x470
[ 245.253537][ C0] ? __pfx_legacy_kthread_func+0x10/0x10
[ 245.253561][ C0] ? __pfx_kthread+0x10/0x10
[ 245.253584][ C0] ret_from_fork+0x514/0xb70
[ 245.253608][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 245.253631][ C0] ? __switch_to+0xc89/0x1420
[ 245.253652][ C0] ? __pfx_kthread+0x10/0x10
[ 245.253675][ C0] ret_from_fork_asm+0x1a/0x30
[ 245.253707][ C0]
[ 245.259971][ T39] Kernel panic - not syncing: hung_task: blocked tasks
[ 245.260126][ T39] CPU: 1 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 245.260193][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 245.260234][ T39] Call Trace:
[ 245.260256][ T39]
[ 245.260286][ T39] vpanic+0x56c/0xa60
[ 245.260406][ T39] ? __pfx___schedule+0x10/0x10
[ 245.260490][ T39] ? __pfx_vpanic+0x10/0x10
[ 245.260584][ T39] panic+0xc5/0xd0
[ 245.260667][ T39] ? __pfx_panic+0x10/0x10
[ 245.260741][ T39] ? preempt_schedule_common+0x82/0xd0
[ 245.260824][ T39] ? preempt_schedule_thunk+0x16/0x40
[ 245.260896][ T39] ? nmi_trigger_cpumask_backtrace+0x314/0x380
[ 245.260971][ T39] ? nmi_trigger_cpumask_backtrace+0x319/0x380
[ 245.261046][ T39] watchdog+0x1030/0x1030
[ 245.261140][ T39] ? watchdog+0x1c7/0x1030
[ 245.261248][ T39] kthread+0x388/0x470
[ 245.261323][ T39] ? __pfx_watchdog+0x10/0x10
[ 245.261404][ T39] ? __pfx_kthread+0x10/0x10
[ 245.261476][ T39] ret_from_fork+0x514/0xb70
[ 245.261553][ T39] ? __pfx_ret_from_fork+0x10/0x10
[ 245.261627][ T39] ? __switch_to+0xc89/0x1420
[ 245.261697][ T39] ? __pfx_kthread+0x10/0x10
[ 245.261765][ T39] ret_from_fork_asm+0x1a/0x30
[ 245.261887][ T39]
[ 245.262623][ T39] Kernel Offset: disabled