002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.457948][ T6726] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 280.457963][ T6726] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 280.457977][ T6726] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 280.457991][ T6726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 280.458005][ T6726] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 280.458028][ T6726]
[ 280.460165][ T6726] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.460184][ T6726] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.845692][ T6729] loop1: detected capacity change from 0 to 32768
[ 280.868136][ T6729] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.868161][ T6729] CPU: 1 UID: 0 PID: 6729 Comm: syz.1.318 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 280.868188][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 280.868202][ T6729] Call Trace:
[ 280.868209][ T6729]
[ 280.868219][ T6729] dump_stack_lvl+0xe8/0x150
[ 280.868251][ T6729] sysfs_create_dir_ns+0x271/0x2a0
[ 280.868274][ T6729] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 280.868300][ T6729] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 280.868325][ T6729] ? rt_spin_unlock+0x160/0x200
[ 280.868350][ T6729] kobject_add_internal+0x62c/0xce0
[ 280.868376][ T6729] kobject_init_and_add+0x12b/0x1a0
[ 280.868399][ T6729] ? rcu_is_watching+0x15/0xb0
[ 280.868420][ T6729] ? __pfx_kobject_init_and_add+0x10/0x10
[ 280.868445][ T6729] ? __raw_spin_lock_init+0x45/0x100
[ 280.868472][ T6729] ? __init_swait_queue_head+0xa8/0x150
[ 280.868499][ T6729] gfs2_sys_fs_add+0x257/0x480
[ 280.868521][ T6729] ? is_dynamic_key+0xa5/0x1c0
[ 280.868550][ T6729] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 280.868575][ T6729] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 280.868607][ T6729] gfs2_fill_super+0x1368/0x20f0
[ 280.868643][ T6729] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.868679][ T6729] ? sb_set_blocksize+0x11b/0x210
[ 280.868700][ T6729] ? setup_bdev_super+0x4c1/0x5b0
[ 280.868731][ T6729] get_tree_bdev_flags+0x430/0x4f0
[ 280.868768][ T6729] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.868795][ T6729] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 280.868826][ T6729] gfs2_get_tree+0x51/0x1e0
[ 280.868856][ T6729] vfs_get_tree+0x92/0x2a0
[ 280.868886][ T6729] do_new_mount+0x319/0xdc0
[ 280.868912][ T6729] ? __pfx_do_new_mount+0x10/0x10
[ 280.868935][ T6729] ? ns_capable+0x89/0xe0
[ 280.868956][ T6729] ? path_mount+0x647/0x1040
[ 280.868980][ T6729] ? user_path_at+0xd4/0x160
[ 280.869007][ T6729] __se_sys_mount+0x31d/0x420
[ 280.869032][ T6729] ? __pfx___se_sys_mount+0x10/0x10
[ 280.869058][ T6729] ? rcu_is_watching+0x15/0xb0
[ 280.869076][ T6729] ? __x64_sys_mount+0x20/0xc0
[ 280.869098][ T6729] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.869121][ T6729] do_syscall_64+0x174/0x580
[ 280.869152][ T6729] ? trace_irq_disable+0x3b/0x140
[ 280.869180][ T6729] ? clear_bhb_loop+0x40/0x90
[ 280.869204][ T6729] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.869226][ T6729] RIP: 0033:0x7f32177de0ca
[ 280.869245][ T6729] 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
[ 280.869264][ T6729] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.869287][ T6729] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 280.869303][ T6729] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 280.869318][ T6729] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 280.869333][ T6729] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 280.869347][ T6729] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 280.869371][ T6729]
[ 280.869402][ T6729] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.869419][ T6729] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.253338][ T6732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.253379][ T6732] CPU: 1 UID: 0 PID: 6732 Comm: syz.1.319 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 281.253404][ T6732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 281.253417][ T6732] Call Trace:
[ 281.253425][ T6732]
[ 281.253434][ T6732] dump_stack_lvl+0xe8/0x150
[ 281.253468][ T6732] sysfs_create_dir_ns+0x271/0x2a0
[ 281.253491][ T6732] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 281.253518][ T6732] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.253541][ T6732] ? rt_spin_unlock+0x160/0x200
[ 281.253566][ T6732] kobject_add_internal+0x62c/0xce0
[ 281.253591][ T6732] kobject_init_and_add+0x12b/0x1a0
[ 281.253612][ T6732] ? rcu_is_watching+0x15/0xb0
[ 281.253633][ T6732] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.253657][ T6732] ? __raw_spin_lock_init+0x45/0x100
[ 281.253683][ T6732] ? __init_swait_queue_head+0xa8/0x150
[ 281.253709][ T6732] gfs2_sys_fs_add+0x257/0x480
[ 281.253732][ T6732] ? is_dynamic_key+0xa5/0x1c0
[ 281.253760][ T6732] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.253783][ T6732] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.253816][ T6732] gfs2_fill_super+0x1368/0x20f0
[ 281.253851][ T6732] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.253881][ T6732] ? sb_set_blocksize+0x11b/0x210
[ 281.253902][ T6732] ? setup_bdev_super+0x4c1/0x5b0
[ 281.253932][ T6732] get_tree_bdev_flags+0x430/0x4f0
[ 281.253960][ T6732] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.254000][ T6732] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.254032][ T6732] gfs2_get_tree+0x51/0x1e0
[ 281.254061][ T6732] vfs_get_tree+0x92/0x2a0
[ 281.254090][ T6732] do_new_mount+0x319/0xdc0
[ 281.254117][ T6732] ? __pfx_do_new_mount+0x10/0x10
[ 281.254139][ T6732] ? ns_capable+0x89/0xe0
[ 281.254159][ T6732] ? path_mount+0x647/0x1040
[ 281.254182][ T6732] ? user_path_at+0xd4/0x160
[ 281.254208][ T6732] __se_sys_mount+0x31d/0x420
[ 281.254235][ T6732] ? __pfx___se_sys_mount+0x10/0x10
[ 281.254259][ T6732] ? rcu_is_watching+0x15/0xb0
[ 281.254279][ T6732] ? __x64_sys_mount+0x20/0xc0
[ 281.254299][ T6732] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.254321][ T6732] do_syscall_64+0x174/0x580
[ 281.254362][ T6732] ? trace_irq_disable+0x3b/0x140
[ 281.254391][ T6732] ? clear_bhb_loop+0x40/0x90
[ 281.254414][ T6732] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.254436][ T6732] RIP: 0033:0x7f32177de0ca
[ 281.254454][ T6732] 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
[ 281.254472][ T6732] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.254497][ T6732] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 281.254513][ T6732] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 281.254527][ T6732] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 281.254542][ T6732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 281.254556][ T6732] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 281.254580][ T6732]
[ 281.254630][ T6732] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.254647][ T6732] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.642979][ T6735] set_capacity_and_notify: 1 callbacks suppressed
[ 281.642993][ T6735] loop1: detected capacity change from 0 to 32768
[ 281.645043][ T6735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.645066][ T6735] CPU: 1 UID: 0 PID: 6735 Comm: syz.1.320 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 281.645091][ T6735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 281.645103][ T6735] Call Trace:
[ 281.645110][ T6735]
[ 281.645119][ T6735] dump_stack_lvl+0xe8/0x150
[ 281.645152][ T6735] sysfs_create_dir_ns+0x271/0x2a0
[ 281.645174][ T6735] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 281.645198][ T6735] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.645220][ T6735] ? rt_spin_unlock+0x160/0x200
[ 281.645243][ T6735] kobject_add_internal+0x62c/0xce0
[ 281.645267][ T6735] kobject_init_and_add+0x12b/0x1a0
[ 281.645287][ T6735] ? rcu_is_watching+0x15/0xb0
[ 281.645312][ T6735] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.645334][ T6735] ? __raw_spin_lock_init+0x45/0x100
[ 281.645358][ T6735] ? __init_swait_queue_head+0xa8/0x150
[ 281.645381][ T6735] gfs2_sys_fs_add+0x257/0x480
[ 281.645411][ T6735] ? is_dynamic_key+0xa5/0x1c0
[ 281.645439][ T6735] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.645463][ T6735] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.645496][ T6735] gfs2_fill_super+0x1368/0x20f0
[ 281.645531][ T6735] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.645562][ T6735] ? sb_set_blocksize+0x11b/0x210
[ 281.645584][ T6735] ? setup_bdev_super+0x4c1/0x5b0
[ 281.645615][ T6735] get_tree_bdev_flags+0x430/0x4f0
[ 281.645643][ T6735] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.645672][ T6735] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.645704][ T6735] gfs2_get_tree+0x51/0x1e0
[ 281.645734][ T6735] vfs_get_tree+0x92/0x2a0
[ 281.645764][ T6735] do_new_mount+0x319/0xdc0
[ 281.645788][ T6735] ? __pfx_do_new_mount+0x10/0x10
[ 281.645810][ T6735] ? ns_capable+0x89/0xe0
[ 281.645830][ T6735] ? path_mount+0x647/0x1040
[ 281.645853][ T6735] ? user_path_at+0xd4/0x160
[ 281.645880][ T6735] __se_sys_mount+0x31d/0x420
[ 281.645905][ T6735] ? __pfx___se_sys_mount+0x10/0x10
[ 281.645930][ T6735] ? rcu_is_watching+0x15/0xb0
[ 281.645950][ T6735] ? __x64_sys_mount+0x20/0xc0
[ 281.645972][ T6735] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.645994][ T6735] do_syscall_64+0x174/0x580
[ 281.646023][ T6735] ? trace_irq_disable+0x3b/0x140
[ 281.646053][ T6735] ? clear_bhb_loop+0x40/0x90
[ 281.646076][ T6735] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.646098][ T6735] RIP: 0033:0x7f32177de0ca
[ 281.646117][ T6735] 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
[ 281.646137][ T6735] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.646161][ T6735] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 281.646177][ T6735] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 281.646193][ T6735] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 281.646208][ T6735] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 281.646222][ T6735] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 281.646244][ T6735]
[ 281.646277][ T6735] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.646293][ T6735] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.053068][ T6738] loop1: detected capacity change from 0 to 32768
[ 282.075332][ T6738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.075359][ T6738] CPU: 1 UID: 0 PID: 6738 Comm: syz.1.321 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 282.075384][ T6738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 282.075406][ T6738] Call Trace:
[ 282.075414][ T6738]
[ 282.075423][ T6738] dump_stack_lvl+0xe8/0x150
[ 282.075457][ T6738] sysfs_create_dir_ns+0x271/0x2a0
[ 282.075480][ T6738] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 282.075507][ T6738] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 282.075531][ T6738] ? rt_spin_unlock+0x160/0x200
[ 282.075556][ T6738] kobject_add_internal+0x62c/0xce0
[ 282.075582][ T6738] kobject_init_and_add+0x12b/0x1a0
[ 282.075605][ T6738] ? rcu_is_watching+0x15/0xb0
[ 282.075626][ T6738] ? __pfx_kobject_init_and_add+0x10/0x10
[ 282.075651][ T6738] ? __raw_spin_lock_init+0x45/0x100
[ 282.075678][ T6738] ? __init_swait_queue_head+0xa8/0x150
[ 282.075704][ T6738] gfs2_sys_fs_add+0x257/0x480
[ 282.075726][ T6738] ? is_dynamic_key+0xa5/0x1c0
[ 282.075755][ T6738] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 282.075781][ T6738] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 282.075814][ T6738] gfs2_fill_super+0x1368/0x20f0
[ 282.075850][ T6738] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.075881][ T6738] ? sb_set_blocksize+0x11b/0x210
[ 282.075902][ T6738] ? setup_bdev_super+0x4c1/0x5b0
[ 282.075933][ T6738] get_tree_bdev_flags+0x430/0x4f0
[ 282.075961][ T6738] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.075990][ T6738] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 282.076024][ T6738] gfs2_get_tree+0x51/0x1e0
[ 282.076054][ T6738] vfs_get_tree+0x92/0x2a0
[ 282.076084][ T6738] do_new_mount+0x319/0xdc0
[ 282.076109][ T6738] ? __pfx_do_new_mount+0x10/0x10
[ 282.076132][ T6738] ? ns_capable+0x89/0xe0
[ 282.076154][ T6738] ? path_mount+0x647/0x1040
[ 282.076177][ T6738] ? user_path_at+0xd4/0x160
[ 282.076203][ T6738] __se_sys_mount+0x31d/0x420
[ 282.076229][ T6738] ? __pfx___se_sys_mount+0x10/0x10
[ 282.076253][ T6738] ? rcu_is_watching+0x15/0xb0
[ 282.076273][ T6738] ? __x64_sys_mount+0x20/0xc0
[ 282.076295][ T6738] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.076318][ T6738] do_syscall_64+0x174/0x580
[ 282.076348][ T6738] ? trace_irq_disable+0x3b/0x140
[ 282.076375][ T6738] ? clear_bhb_loop+0x40/0x90
[ 282.076408][ T6738] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.076429][ T6738] RIP: 0033:0x7f32177de0ca
[ 282.076449][ T6738] 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
[ 282.076467][ T6738] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.076492][ T6738] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 282.076508][ T6738] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 282.076523][ T6738] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 282.076538][ T6738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 282.076553][ T6738] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 282.076576][ T6738]
[ 282.076637][ T6738] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.076656][ T6738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.667540][ T6742] loop1: detected capacity change from 0 to 32768
[ 282.669720][ T6742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.669745][ T6742] CPU: 1 UID: 0 PID: 6742 Comm: syz.1.323 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 282.669771][ T6742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 282.669784][ T6742] Call Trace:
[ 282.669791][ T6742]
[ 282.669800][ T6742] dump_stack_lvl+0xe8/0x150
[ 282.669832][ T6742] sysfs_create_dir_ns+0x271/0x2a0
[ 282.669854][ T6742] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 282.669880][ T6742] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 282.669905][ T6742] ? rt_spin_unlock+0x160/0x200
[ 282.669930][ T6742] kobject_add_internal+0x62c/0xce0
[ 282.669957][ T6742] kobject_init_and_add+0x12b/0x1a0
[ 282.669979][ T6742] ? rcu_is_watching+0x15/0xb0
[ 282.670001][ T6742] ? __pfx_kobject_init_and_add+0x10/0x10
[ 282.670025][ T6742] ? __raw_spin_lock_init+0x45/0x100
[ 282.670053][ T6742] ? __init_swait_queue_head+0xa8/0x150
[ 282.670079][ T6742] gfs2_sys_fs_add+0x257/0x480
[ 282.670100][ T6742] ? is_dynamic_key+0xa5/0x1c0
[ 282.670127][ T6742] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 282.670152][ T6742] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 282.670185][ T6742] gfs2_fill_super+0x1368/0x20f0
[ 282.670217][ T6742] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.670247][ T6742] ? sb_set_blocksize+0x11b/0x210
[ 282.670269][ T6742] ? setup_bdev_super+0x4c1/0x5b0
[ 282.670309][ T6742] get_tree_bdev_flags+0x430/0x4f0
[ 282.670339][ T6742] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.670368][ T6742] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 282.670400][ T6742] gfs2_get_tree+0x51/0x1e0
[ 282.670431][ T6742] vfs_get_tree+0x92/0x2a0
[ 282.670461][ T6742] do_new_mount+0x319/0xdc0
[ 282.670490][ T6742] ? __pfx_do_new_mount+0x10/0x10
[ 282.670513][ T6742] ? ns_capable+0x89/0xe0
[ 282.670533][ T6742] ? path_mount+0x647/0x1040
[ 282.670556][ T6742] ? user_path_at+0xd4/0x160
[ 282.670584][ T6742] __se_sys_mount+0x31d/0x420
[ 282.670608][ T6742] ? __pfx___se_sys_mount+0x10/0x10
[ 282.670634][ T6742] ? rcu_is_watching+0x15/0xb0
[ 282.670653][ T6742] ? __x64_sys_mount+0x20/0xc0
[ 282.670676][ T6742] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.670698][ T6742] do_syscall_64+0x174/0x580
[ 282.670730][ T6742] ? trace_irq_disable+0x3b/0x140
[ 282.670757][ T6742] ? clear_bhb_loop+0x40/0x90
[ 282.670781][ T6742] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.670802][ T6742] RIP: 0033:0x7f32177de0ca
[ 282.670821][ T6742] 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
[ 282.670840][ T6742] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.670863][ T6742] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 282.670879][ T6742] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 282.670894][ T6742] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 282.670908][ T6742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 282.670923][ T6742] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 282.670946][ T6742]
[ 282.670976][ T6742] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.670993][ T6742] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.049253][ T6745] loop1: detected capacity change from 0 to 32768
[ 283.051186][ T6745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.051210][ T6745] CPU: 1 UID: 0 PID: 6745 Comm: syz.1.324 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 283.051236][ T6745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 283.051250][ T6745] Call Trace:
[ 283.051258][ T6745]
[ 283.051267][ T6745] dump_stack_lvl+0xe8/0x150
[ 283.051309][ T6745] sysfs_create_dir_ns+0x271/0x2a0
[ 283.051333][ T6745] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 283.051359][ T6745] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 283.051383][ T6745] ? rt_spin_unlock+0x160/0x200
[ 283.051407][ T6745] kobject_add_internal+0x62c/0xce0
[ 283.051434][ T6745] kobject_init_and_add+0x12b/0x1a0
[ 283.051460][ T6745] ? rcu_is_watching+0x15/0xb0
[ 283.051481][ T6745] ? __pfx_kobject_init_and_add+0x10/0x10
[ 283.051505][ T6745] ? __raw_spin_lock_init+0x45/0x100
[ 283.051531][ T6745] ? __init_swait_queue_head+0xa8/0x150
[ 283.051556][ T6745] gfs2_sys_fs_add+0x257/0x480
[ 283.051578][ T6745] ? is_dynamic_key+0xa5/0x1c0
[ 283.051605][ T6745] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 283.051628][ T6745] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 283.051659][ T6745] gfs2_fill_super+0x1368/0x20f0
[ 283.051693][ T6745] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.051725][ T6745] ? sb_set_blocksize+0x11b/0x210
[ 283.051746][ T6745] ? setup_bdev_super+0x4c1/0x5b0
[ 283.051774][ T6745] get_tree_bdev_flags+0x430/0x4f0
[ 283.051801][ T6745] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.051829][ T6745] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 283.051861][ T6745] gfs2_get_tree+0x51/0x1e0
[ 283.051891][ T6745] vfs_get_tree+0x92/0x2a0
[ 283.051918][ T6745] do_new_mount+0x319/0xdc0
[ 283.051943][ T6745] ? __pfx_do_new_mount+0x10/0x10
[ 283.051966][ T6745] ? ns_capable+0x89/0xe0
[ 283.051986][ T6745] ? path_mount+0x647/0x1040
[ 283.052010][ T6745] ? user_path_at+0xd4/0x160
[ 283.052037][ T6745] __se_sys_mount+0x31d/0x420
[ 283.052062][ T6745] ? __pfx___se_sys_mount+0x10/0x10
[ 283.052088][ T6745] ? rcu_is_watching+0x15/0xb0
[ 283.052106][ T6745] ? __x64_sys_mount+0x20/0xc0
[ 283.052127][ T6745] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.052150][ T6745] do_syscall_64+0x174/0x580
[ 283.052203][ T6745] ? trace_irq_disable+0x3b/0x140
[ 283.052229][ T6745] ? clear_bhb_loop+0x40/0x90
[ 283.052251][ T6745] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.052272][ T6745] RIP: 0033:0x7f32177de0ca
[ 283.052299][ T6745] 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
[ 283.052318][ T6745] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.052342][ T6745] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 283.052359][ T6745] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 283.052374][ T6745] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 283.052389][ T6745] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 283.052403][ T6745] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 283.052426][ T6745]
[ 283.052458][ T6745] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.052475][ T6745] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.451075][ T6748] loop1: detected capacity change from 0 to 32768
[ 283.465734][ T6748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.465759][ T6748] CPU: 0 UID: 0 PID: 6748 Comm: syz.1.325 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 283.465784][ T6748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 283.465797][ T6748] Call Trace:
[ 283.465806][ T6748]
[ 283.465814][ T6748] dump_stack_lvl+0xe8/0x150
[ 283.465856][ T6748] sysfs_create_dir_ns+0x271/0x2a0
[ 283.465879][ T6748] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 283.465906][ T6748] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 283.465930][ T6748] ? rt_spin_unlock+0x160/0x200
[ 283.465955][ T6748] kobject_add_internal+0x62c/0xce0
[ 283.465983][ T6748] kobject_init_and_add+0x12b/0x1a0
[ 283.466005][ T6748] ? rcu_is_watching+0x15/0xb0
[ 283.466027][ T6748] ? __pfx_kobject_init_and_add+0x10/0x10
[ 283.466051][ T6748] ? __raw_spin_lock_init+0x45/0x100
[ 283.466076][ T6748] ? __init_swait_queue_head+0xa8/0x150
[ 283.466102][ T6748] gfs2_sys_fs_add+0x257/0x480
[ 283.466126][ T6748] ? is_dynamic_key+0xa5/0x1c0
[ 283.466155][ T6748] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 283.466181][ T6748] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 283.466212][ T6748] gfs2_fill_super+0x1368/0x20f0
[ 283.466246][ T6748] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.466278][ T6748] ? sb_set_blocksize+0x11b/0x210
[ 283.466300][ T6748] ? setup_bdev_super+0x4c1/0x5b0
[ 283.466329][ T6748] get_tree_bdev_flags+0x430/0x4f0
[ 283.466356][ T6748] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.466386][ T6748] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 283.466419][ T6748] gfs2_get_tree+0x51/0x1e0
[ 283.466450][ T6748] vfs_get_tree+0x92/0x2a0
[ 283.466479][ T6748] do_new_mount+0x319/0xdc0
[ 283.466503][ T6748] ? __pfx_do_new_mount+0x10/0x10
[ 283.466524][ T6748] ? ns_capable+0x89/0xe0
[ 283.466545][ T6748] ? path_mount+0x647/0x1040
[ 283.466567][ T6748] ? user_path_at+0xd4/0x160
[ 283.466594][ T6748] __se_sys_mount+0x31d/0x420
[ 283.466620][ T6748] ? __pfx___se_sys_mount+0x10/0x10
[ 283.466645][ T6748] ? rcu_is_watching+0x15/0xb0
[ 283.466669][ T6748] ? __x64_sys_mount+0x20/0xc0
[ 283.466691][ T6748] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.466714][ T6748] do_syscall_64+0x174/0x580
[ 283.466743][ T6748] ? trace_irq_disable+0x3b/0x140
[ 283.466771][ T6748] ? clear_bhb_loop+0x40/0x90
[ 283.466796][ T6748] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.466817][ T6748] RIP: 0033:0x7f32177de0ca
[ 283.466835][ T6748] 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
[ 283.466864][ T6748] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.466888][ T6748] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 283.466905][ T6748] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 283.466920][ T6748] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 283.466934][ T6748] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 283.466949][ T6748] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 283.466971][ T6748]
[ 283.467004][ T6748] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.467022][ T6748] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.876115][ T6751] loop1: detected capacity change from 0 to 32768
[ 283.888510][ T6751] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.888536][ T6751] CPU: 1 UID: 0 PID: 6751 Comm: syz.1.326 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 283.888563][ T6751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 283.888576][ T6751] Call Trace:
[ 283.888584][ T6751]
[ 283.888593][ T6751] dump_stack_lvl+0xe8/0x150
[ 283.888627][ T6751] sysfs_create_dir_ns+0x271/0x2a0
[ 283.888650][ T6751] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 283.888682][ T6751] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 283.888706][ T6751] ? rt_spin_unlock+0x160/0x200
[ 283.888729][ T6751] kobject_add_internal+0x62c/0xce0
[ 283.888757][ T6751] kobject_init_and_add+0x12b/0x1a0
[ 283.888779][ T6751] ? rcu_is_watching+0x15/0xb0
[ 283.888802][ T6751] ? __pfx_kobject_init_and_add+0x10/0x10
[ 283.888826][ T6751] ? __raw_spin_lock_init+0x45/0x100
[ 283.888852][ T6751] ? __init_swait_queue_head+0xa8/0x150
[ 283.888878][ T6751] gfs2_sys_fs_add+0x257/0x480
[ 283.888901][ T6751] ? is_dynamic_key+0xa5/0x1c0
[ 283.888929][ T6751] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 283.888955][ T6751] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 283.888989][ T6751] gfs2_fill_super+0x1368/0x20f0
[ 283.889022][ T6751] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.889053][ T6751] ? sb_set_blocksize+0x11b/0x210
[ 283.889076][ T6751] ? setup_bdev_super+0x4c1/0x5b0
[ 283.889108][ T6751] get_tree_bdev_flags+0x430/0x4f0
[ 283.889135][ T6751] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.889162][ T6751] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 283.889195][ T6751] gfs2_get_tree+0x51/0x1e0
[ 283.889234][ T6751] vfs_get_tree+0x92/0x2a0
[ 283.889262][ T6751] do_new_mount+0x319/0xdc0
[ 283.889287][ T6751] ? __pfx_do_new_mount+0x10/0x10
[ 283.889309][ T6751] ? ns_capable+0x89/0xe0
[ 283.889330][ T6751] ? path_mount+0x647/0x1040
[ 283.889353][ T6751] ? user_path_at+0xd4/0x160
[ 283.889380][ T6751] __se_sys_mount+0x31d/0x420
[ 283.889406][ T6751] ? __pfx___se_sys_mount+0x10/0x10
[ 283.889432][ T6751] ? rcu_is_watching+0x15/0xb0
[ 283.889450][ T6751] ? __x64_sys_mount+0x20/0xc0
[ 283.889473][ T6751] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.889496][ T6751] do_syscall_64+0x174/0x580
[ 283.889526][ T6751] ? trace_irq_disable+0x3b/0x140
[ 283.889554][ T6751] ? clear_bhb_loop+0x40/0x90
[ 283.889578][ T6751] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.889599][ T6751] RIP: 0033:0x7f32177de0ca
[ 283.889618][ T6751] 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
[ 283.889637][ T6751] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.889661][ T6751] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 283.889678][ T6751] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 283.889693][ T6751] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 283.889707][ T6751] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 283.889720][ T6751] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 283.889742][ T6751]
[ 283.889775][ T6751] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.889792][ T6751] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.340435][ T6754] loop1: detected capacity change from 0 to 32768
[ 284.342795][ T6754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.342819][ T6754] CPU: 0 UID: 0 PID: 6754 Comm: syz.1.327 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 284.342844][ T6754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 284.342858][ T6754] Call Trace:
[ 284.342867][ T6754]
[ 284.342875][ T6754] dump_stack_lvl+0xe8/0x150
[ 284.342907][ T6754] sysfs_create_dir_ns+0x271/0x2a0
[ 284.342930][ T6754] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 284.342958][ T6754] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 284.342983][ T6754] ? rt_spin_unlock+0x160/0x200
[ 284.343008][ T6754] kobject_add_internal+0x62c/0xce0
[ 284.343039][ T6754] kobject_init_and_add+0x12b/0x1a0
[ 284.343062][ T6754] ? rcu_is_watching+0x15/0xb0
[ 284.343082][ T6754] ? __pfx_kobject_init_and_add+0x10/0x10
[ 284.343106][ T6754] ? __raw_spin_lock_init+0x45/0x100
[ 284.343131][ T6754] ? __init_swait_queue_head+0xa8/0x150
[ 284.343158][ T6754] gfs2_sys_fs_add+0x257/0x480
[ 284.343181][ T6754] ? is_dynamic_key+0xa5/0x1c0
[ 284.343220][ T6754] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 284.343247][ T6754] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 284.343281][ T6754] gfs2_fill_super+0x1368/0x20f0
[ 284.343316][ T6754] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.343347][ T6754] ? sb_set_blocksize+0x11b/0x210
[ 284.343370][ T6754] ? setup_bdev_super+0x4c1/0x5b0
[ 284.343398][ T6754] get_tree_bdev_flags+0x430/0x4f0
[ 284.343426][ T6754] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.343454][ T6754] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 284.343487][ T6754] gfs2_get_tree+0x51/0x1e0
[ 284.343515][ T6754] vfs_get_tree+0x92/0x2a0
[ 284.343544][ T6754] do_new_mount+0x319/0xdc0
[ 284.343570][ T6754] ? __pfx_do_new_mount+0x10/0x10
[ 284.343593][ T6754] ? ns_capable+0x89/0xe0
[ 284.343613][ T6754] ? path_mount+0x647/0x1040
[ 284.343635][ T6754] ? user_path_at+0xd4/0x160
[ 284.343662][ T6754] __se_sys_mount+0x31d/0x420
[ 284.343686][ T6754] ? __pfx___se_sys_mount+0x10/0x10
[ 284.343710][ T6754] ? rcu_is_watching+0x15/0xb0
[ 284.343729][ T6754] ? __x64_sys_mount+0x20/0xc0
[ 284.343750][ T6754] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.343774][ T6754] do_syscall_64+0x174/0x580
[ 284.343803][ T6754] ? trace_irq_disable+0x3b/0x140
[ 284.343830][ T6754] ? clear_bhb_loop+0x40/0x90
[ 284.343853][ T6754] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.343874][ T6754] RIP: 0033:0x7f32177de0ca
[ 284.343893][ T6754] 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
[ 284.343911][ T6754] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.343936][ T6754] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 284.343953][ T6754] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 284.343968][ T6754] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 284.343983][ T6754] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 284.343995][ T6754] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 284.344017][ T6754]
[ 284.344051][ T6754] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.344068][ T6754] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.952415][ T6758] loop1: detected capacity change from 0 to 32768
[ 284.962080][ T6758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.962104][ T6758] CPU: 1 UID: 0 PID: 6758 Comm: syz.1.329 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 284.962127][ T6758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 284.962139][ T6758] Call Trace:
[ 284.962146][ T6758]
[ 284.962158][ T6758] dump_stack_lvl+0xe8/0x150
[ 284.962186][ T6758] sysfs_create_dir_ns+0x271/0x2a0
[ 284.962207][ T6758] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 284.962230][ T6758] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 284.962252][ T6758] ? rt_spin_unlock+0x160/0x200
[ 284.962274][ T6758] kobject_add_internal+0x62c/0xce0
[ 284.962298][ T6758] kobject_init_and_add+0x12b/0x1a0
[ 284.962318][ T6758] ? rcu_is_watching+0x15/0xb0
[ 284.962338][ T6758] ? __pfx_kobject_init_and_add+0x10/0x10
[ 284.962359][ T6758] ? __raw_spin_lock_init+0x45/0x100
[ 284.962382][ T6758] ? __init_swait_queue_head+0xa8/0x150
[ 284.962405][ T6758] gfs2_sys_fs_add+0x257/0x480
[ 284.962425][ T6758] ? is_dynamic_key+0xa5/0x1c0
[ 284.962450][ T6758] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 284.962473][ T6758] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 284.962502][ T6758] gfs2_fill_super+0x1368/0x20f0
[ 284.962531][ T6758] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.962558][ T6758] ? sb_set_blocksize+0x11b/0x210
[ 284.962578][ T6758] ? setup_bdev_super+0x4c1/0x5b0
[ 284.962605][ T6758] get_tree_bdev_flags+0x430/0x4f0
[ 284.962630][ T6758] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.962656][ T6758] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 284.962685][ T6758] gfs2_get_tree+0x51/0x1e0
[ 284.962718][ T6758] vfs_get_tree+0x92/0x2a0
[ 284.962744][ T6758] do_new_mount+0x319/0xdc0
[ 284.962766][ T6758] ? __pfx_do_new_mount+0x10/0x10
[ 284.962787][ T6758] ? ns_capable+0x89/0xe0
[ 284.962805][ T6758] ? path_mount+0x647/0x1040
[ 284.962826][ T6758] ? user_path_at+0xd4/0x160
[ 284.962849][ T6758] __se_sys_mount+0x31d/0x420
[ 284.962872][ T6758] ? __pfx___se_sys_mount+0x10/0x10
[ 284.962893][ T6758] ? rcu_is_watching+0x15/0xb0
[ 284.962910][ T6758] ? __x64_sys_mount+0x20/0xc0
[ 284.962930][ T6758] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.962950][ T6758] do_syscall_64+0x174/0x580
[ 284.962977][ T6758] ? trace_irq_disable+0x3b/0x140
[ 284.963001][ T6758] ? clear_bhb_loop+0x40/0x90
[ 284.963022][ T6758] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.963040][ T6758] RIP: 0033:0x7f32177de0ca
[ 284.963058][ T6758] 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
[ 284.963074][ T6758] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.963096][ T6758] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 284.963111][ T6758] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 284.963124][ T6758] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 284.963137][ T6758] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 284.963150][ T6758] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 284.963170][ T6758]
[ 284.963198][ T6758] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.963214][ T6758] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.337884][ T6761] loop1: detected capacity change from 0 to 32768
[ 285.343359][ T6761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.343383][ T6761] CPU: 0 UID: 0 PID: 6761 Comm: syz.1.330 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 285.343409][ T6761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 285.343422][ T6761] Call Trace:
[ 285.343430][ T6761]
[ 285.343440][ T6761] dump_stack_lvl+0xe8/0x150
[ 285.343473][ T6761] sysfs_create_dir_ns+0x271/0x2a0
[ 285.343495][ T6761] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 285.343522][ T6761] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 285.343546][ T6761] ? rt_spin_unlock+0x160/0x200
[ 285.343572][ T6761] kobject_add_internal+0x62c/0xce0
[ 285.343598][ T6761] kobject_init_and_add+0x12b/0x1a0
[ 285.343621][ T6761] ? rcu_is_watching+0x15/0xb0
[ 285.343644][ T6761] ? __pfx_kobject_init_and_add+0x10/0x10
[ 285.343667][ T6761] ? __raw_spin_lock_init+0x45/0x100
[ 285.343695][ T6761] ? __init_swait_queue_head+0xa8/0x150
[ 285.343721][ T6761] gfs2_sys_fs_add+0x257/0x480
[ 285.343744][ T6761] ? is_dynamic_key+0xa5/0x1c0
[ 285.343781][ T6761] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 285.343807][ T6761] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 285.343839][ T6761] gfs2_fill_super+0x1368/0x20f0
[ 285.343877][ T6761] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.343907][ T6761] ? sb_set_blocksize+0x11b/0x210
[ 285.343930][ T6761] ? setup_bdev_super+0x4c1/0x5b0
[ 285.343959][ T6761] get_tree_bdev_flags+0x430/0x4f0
2026/06/17 04:17:19 executed programs: 316
[ 285.343987][ T6761] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.344016][ T6761] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 285.344049][ T6761] gfs2_get_tree+0x51/0x1e0
[ 285.344079][ T6761] vfs_get_tree+0x92/0x2a0
[ 285.344108][ T6761] do_new_mount+0x319/0xdc0
[ 285.344133][ T6761] ? __pfx_do_new_mount+0x10/0x10
[ 285.344156][ T6761] ? ns_capable+0x89/0xe0
[ 285.344178][ T6761] ? path_mount+0x647/0x1040
[ 285.344201][ T6761] ? user_path_at+0xd4/0x160
[ 285.344226][ T6761] __se_sys_mount+0x31d/0x420
[ 285.344252][ T6761] ? __pfx___se_sys_mount+0x10/0x10
[ 285.344276][ T6761] ? rcu_is_watching+0x15/0xb0
[ 285.344292][ T6761] ? __x64_sys_mount+0x20/0xc0
[ 285.344310][ T6761] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.344329][ T6761] do_syscall_64+0x174/0x580
[ 285.344354][ T6761] ? trace_irq_disable+0x3b/0x140
[ 285.344381][ T6761] ? clear_bhb_loop+0x40/0x90
[ 285.344405][ T6761] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.344426][ T6761] RIP: 0033:0x7f32177de0ca
[ 285.344444][ T6761] 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
[ 285.344463][ T6761] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.344486][ T6761] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 285.344502][ T6761] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 285.344517][ T6761] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 285.344531][ T6761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 285.344546][ T6761] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 285.344568][ T6761]
[ 285.344600][ T6761] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.344616][ T6761] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.739138][ T6764] loop1: detected capacity change from 0 to 32768
[ 285.751981][ T6764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.752006][ T6764] CPU: 1 UID: 0 PID: 6764 Comm: syz.1.331 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 285.752029][ T6764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 285.752042][ T6764] Call Trace:
[ 285.752049][ T6764]
[ 285.752057][ T6764] dump_stack_lvl+0xe8/0x150
[ 285.752087][ T6764] sysfs_create_dir_ns+0x271/0x2a0
[ 285.752107][ T6764] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 285.752131][ T6764] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 285.752153][ T6764] ? rt_spin_unlock+0x160/0x200
[ 285.752191][ T6764] kobject_add_internal+0x62c/0xce0
[ 285.752215][ T6764] kobject_init_and_add+0x12b/0x1a0
[ 285.752235][ T6764] ? rcu_is_watching+0x15/0xb0
[ 285.752255][ T6764] ? __pfx_kobject_init_and_add+0x10/0x10
[ 285.752284][ T6764] ? __raw_spin_lock_init+0x45/0x100
[ 285.752308][ T6764] ? __init_swait_queue_head+0xa8/0x150
[ 285.752331][ T6764] gfs2_sys_fs_add+0x257/0x480
[ 285.752351][ T6764] ? is_dynamic_key+0xa5/0x1c0
[ 285.752379][ T6764] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 285.752402][ T6764] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 285.752431][ T6764] gfs2_fill_super+0x1368/0x20f0
[ 285.752461][ T6764] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.752488][ T6764] ? sb_set_blocksize+0x11b/0x210
[ 285.752508][ T6764] ? setup_bdev_super+0x4c1/0x5b0
[ 285.752535][ T6764] get_tree_bdev_flags+0x430/0x4f0
[ 285.752560][ T6764] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.752585][ T6764] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 285.752614][ T6764] gfs2_get_tree+0x51/0x1e0
[ 285.752640][ T6764] vfs_get_tree+0x92/0x2a0
[ 285.752665][ T6764] do_new_mount+0x319/0xdc0
[ 285.752687][ T6764] ? __pfx_do_new_mount+0x10/0x10
[ 285.752707][ T6764] ? ns_capable+0x89/0xe0
[ 285.752725][ T6764] ? path_mount+0x647/0x1040
[ 285.752745][ T6764] ? user_path_at+0xd4/0x160
[ 285.752768][ T6764] __se_sys_mount+0x31d/0x420
[ 285.752790][ T6764] ? __pfx___se_sys_mount+0x10/0x10
[ 285.752813][ T6764] ? rcu_is_watching+0x15/0xb0
[ 285.752830][ T6764] ? __x64_sys_mount+0x20/0xc0
[ 285.752850][ T6764] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.752870][ T6764] do_syscall_64+0x174/0x580
[ 285.752896][ T6764] ? trace_irq_disable+0x3b/0x140
[ 285.752920][ T6764] ? clear_bhb_loop+0x40/0x90
[ 285.752941][ T6764] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.752960][ T6764] RIP: 0033:0x7f32177de0ca
[ 285.752978][ T6764] 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
[ 285.752994][ T6764] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.753016][ T6764] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 285.753031][ T6764] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 285.753044][ T6764] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 285.753057][ T6764] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 285.753070][ T6764] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 285.753090][ T6764]
[ 285.753119][ T6764] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.753134][ T6764] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.158688][ T6767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.158713][ T6767] CPU: 1 UID: 0 PID: 6767 Comm: syz.1.332 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 286.158739][ T6767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 286.158753][ T6767] Call Trace:
[ 286.158760][ T6767]
[ 286.158768][ T6767] dump_stack_lvl+0xe8/0x150
[ 286.158801][ T6767] sysfs_create_dir_ns+0x271/0x2a0
[ 286.158824][ T6767] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 286.158852][ T6767] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 286.158877][ T6767] ? rt_spin_unlock+0x160/0x200
[ 286.158902][ T6767] kobject_add_internal+0x62c/0xce0
[ 286.158929][ T6767] kobject_init_and_add+0x12b/0x1a0
[ 286.158951][ T6767] ? rcu_is_watching+0x15/0xb0
[ 286.158974][ T6767] ? __pfx_kobject_init_and_add+0x10/0x10
[ 286.158998][ T6767] ? __raw_spin_lock_init+0x45/0x100
[ 286.159029][ T6767] ? __init_swait_queue_head+0xa8/0x150
[ 286.159054][ T6767] gfs2_sys_fs_add+0x257/0x480
[ 286.159077][ T6767] ? is_dynamic_key+0xa5/0x1c0
[ 286.159105][ T6767] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 286.159131][ T6767] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 286.159163][ T6767] gfs2_fill_super+0x1368/0x20f0
[ 286.159196][ T6767] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.159225][ T6767] ? sb_set_blocksize+0x11b/0x210
[ 286.159245][ T6767] ? setup_bdev_super+0x4c1/0x5b0
[ 286.159281][ T6767] get_tree_bdev_flags+0x430/0x4f0
[ 286.159307][ T6767] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.159334][ T6767] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 286.159365][ T6767] gfs2_get_tree+0x51/0x1e0
[ 286.159393][ T6767] vfs_get_tree+0x92/0x2a0
[ 286.159419][ T6767] do_new_mount+0x319/0xdc0
[ 286.159442][ T6767] ? __pfx_do_new_mount+0x10/0x10
[ 286.159465][ T6767] ? ns_capable+0x89/0xe0
[ 286.159485][ T6767] ? path_mount+0x647/0x1040
[ 286.159508][ T6767] ? user_path_at+0xd4/0x160
[ 286.159535][ T6767] __se_sys_mount+0x31d/0x420
[ 286.159560][ T6767] ? __pfx___se_sys_mount+0x10/0x10
[ 286.159585][ T6767] ? rcu_is_watching+0x15/0xb0
[ 286.159604][ T6767] ? __x64_sys_mount+0x20/0xc0
[ 286.159627][ T6767] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.159649][ T6767] do_syscall_64+0x174/0x580
[ 286.159680][ T6767] ? trace_irq_disable+0x3b/0x140
[ 286.159707][ T6767] ? clear_bhb_loop+0x40/0x90
[ 286.159731][ T6767] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.159751][ T6767] RIP: 0033:0x7f32177de0ca
[ 286.159768][ T6767] 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
[ 286.159785][ T6767] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.159807][ T6767] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 286.159823][ T6767] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 286.159838][ T6767] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 286.159852][ T6767] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 286.159864][ T6767] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 286.159887][ T6767]
[ 286.159919][ T6767] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.159935][ T6767] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.565200][ T6770] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.565226][ T6770] CPU: 0 UID: 0 PID: 6770 Comm: syz.1.333 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 286.565252][ T6770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 286.565266][ T6770] Call Trace:
[ 286.565274][ T6770]
[ 286.565284][ T6770] dump_stack_lvl+0xe8/0x150
[ 286.565317][ T6770] sysfs_create_dir_ns+0x271/0x2a0
[ 286.565340][ T6770] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 286.565368][ T6770] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 286.565392][ T6770] ? rt_spin_unlock+0x160/0x200
[ 286.565417][ T6770] kobject_add_internal+0x62c/0xce0
[ 286.565444][ T6770] kobject_init_and_add+0x12b/0x1a0
[ 286.565466][ T6770] ? rcu_is_watching+0x15/0xb0
[ 286.565489][ T6770] ? __pfx_kobject_init_and_add+0x10/0x10
[ 286.565512][ T6770] ? __raw_spin_lock_init+0x45/0x100
[ 286.565539][ T6770] ? __init_swait_queue_head+0xa8/0x150
[ 286.565563][ T6770] gfs2_sys_fs_add+0x257/0x480
[ 286.565587][ T6770] ? is_dynamic_key+0xa5/0x1c0
[ 286.565613][ T6770] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 286.565639][ T6770] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 286.565672][ T6770] gfs2_fill_super+0x1368/0x20f0
[ 286.565704][ T6770] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.565738][ T6770] ? sb_set_blocksize+0x11b/0x210
[ 286.565758][ T6770] ? setup_bdev_super+0x4c1/0x5b0
[ 286.565787][ T6770] get_tree_bdev_flags+0x430/0x4f0
[ 286.565816][ T6770] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.565845][ T6770] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 286.565878][ T6770] gfs2_get_tree+0x51/0x1e0
[ 286.565909][ T6770] vfs_get_tree+0x92/0x2a0
[ 286.565939][ T6770] do_new_mount+0x319/0xdc0
[ 286.565963][ T6770] ? __pfx_do_new_mount+0x10/0x10
[ 286.565986][ T6770] ? ns_capable+0x89/0xe0
[ 286.566006][ T6770] ? path_mount+0x647/0x1040
[ 286.566029][ T6770] ? user_path_at+0xd4/0x160
[ 286.566055][ T6770] __se_sys_mount+0x31d/0x420
[ 286.566079][ T6770] ? __pfx___se_sys_mount+0x10/0x10
[ 286.566104][ T6770] ? rcu_is_watching+0x15/0xb0
[ 286.566122][ T6770] ? __x64_sys_mount+0x20/0xc0
[ 286.566144][ T6770] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.566166][ T6770] do_syscall_64+0x174/0x580
[ 286.566205][ T6770] ? trace_irq_disable+0x3b/0x140
[ 286.566233][ T6770] ? clear_bhb_loop+0x40/0x90
[ 286.566258][ T6770] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.566280][ T6770] RIP: 0033:0x7f32177de0ca
[ 286.566299][ T6770] 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
[ 286.566318][ T6770] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.566342][ T6770] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 286.566359][ T6770] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 286.566373][ T6770] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 286.566388][ T6770] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 286.566403][ T6770] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 286.566424][ T6770]
[ 286.566455][ T6770] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.566922][ T6770] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.969669][ T6773] set_capacity_and_notify: 2 callbacks suppressed
[ 286.969683][ T6773] loop1: detected capacity change from 0 to 32768
[ 286.990936][ T6773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.990960][ T6773] CPU: 0 UID: 0 PID: 6773 Comm: syz.1.334 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 286.990986][ T6773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 286.991000][ T6773] Call Trace:
[ 286.991008][ T6773]
[ 286.991017][ T6773] dump_stack_lvl+0xe8/0x150
[ 286.991050][ T6773] sysfs_create_dir_ns+0x271/0x2a0
[ 286.991073][ T6773] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 286.991101][ T6773] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 286.991126][ T6773] ? rt_spin_unlock+0x160/0x200
[ 286.991151][ T6773] kobject_add_internal+0x62c/0xce0
[ 286.991178][ T6773] kobject_init_and_add+0x12b/0x1a0
[ 286.991201][ T6773] ? rcu_is_watching+0x15/0xb0
[ 286.991223][ T6773] ? __pfx_kobject_init_and_add+0x10/0x10
[ 286.991243][ T6773] ? __raw_spin_lock_init+0x45/0x100
[ 286.991264][ T6773] ? __init_swait_queue_head+0xa8/0x150
[ 286.991284][ T6773] gfs2_sys_fs_add+0x257/0x480
[ 286.991303][ T6773] ? is_dynamic_key+0xa5/0x1c0
[ 286.991330][ T6773] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 286.991356][ T6773] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 286.991391][ T6773] gfs2_fill_super+0x1368/0x20f0
[ 286.991427][ T6773] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.991459][ T6773] ? sb_set_blocksize+0x11b/0x210
[ 286.991482][ T6773] ? setup_bdev_super+0x4c1/0x5b0
[ 286.991513][ T6773] get_tree_bdev_flags+0x430/0x4f0
[ 286.991543][ T6773] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.991573][ T6773] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 286.991607][ T6773] gfs2_get_tree+0x51/0x1e0
[ 286.991639][ T6773] vfs_get_tree+0x92/0x2a0
[ 286.991670][ T6773] do_new_mount+0x319/0xdc0
[ 286.991695][ T6773] ? __pfx_do_new_mount+0x10/0x10
[ 286.991719][ T6773] ? ns_capable+0x89/0xe0
[ 286.991750][ T6773] ? path_mount+0x647/0x1040
[ 286.991774][ T6773] ? user_path_at+0xd4/0x160
[ 286.991802][ T6773] __se_sys_mount+0x31d/0x420
[ 286.991834][ T6773] ? __pfx___se_sys_mount+0x10/0x10
[ 286.991859][ T6773] ? rcu_is_watching+0x15/0xb0
[ 286.991879][ T6773] ? __x64_sys_mount+0x20/0xc0
[ 286.991902][ T6773] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.991925][ T6773] do_syscall_64+0x174/0x580
[ 286.991956][ T6773] ? trace_irq_disable+0x3b/0x140
[ 286.991984][ T6773] ? clear_bhb_loop+0x40/0x90
[ 286.992009][ T6773] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.992031][ T6773] RIP: 0033:0x7f32177de0ca
[ 286.992051][ T6773] 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
[ 286.992070][ T6773] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.992095][ T6773] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 286.992111][ T6773] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 286.992126][ T6773] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 286.992141][ T6773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 286.992155][ T6773] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 286.992194][ T6773]
[ 286.992277][ T6773] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.992295][ T6773] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.585673][ T6777] loop1: detected capacity change from 0 to 32768
[ 287.596065][ T6777] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.596090][ T6777] CPU: 0 UID: 0 PID: 6777 Comm: syz.1.336 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 287.596116][ T6777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 287.596128][ T6777] Call Trace:
[ 287.596135][ T6777]
[ 287.596144][ T6777] dump_stack_lvl+0xe8/0x150
[ 287.596177][ T6777] sysfs_create_dir_ns+0x271/0x2a0
[ 287.596198][ T6777] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 287.596225][ T6777] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 287.596249][ T6777] ? rt_spin_unlock+0x160/0x200
[ 287.596274][ T6777] kobject_add_internal+0x62c/0xce0
[ 287.596301][ T6777] kobject_init_and_add+0x12b/0x1a0
[ 287.596322][ T6777] ? rcu_is_watching+0x15/0xb0
[ 287.596343][ T6777] ? __pfx_kobject_init_and_add+0x10/0x10
[ 287.596366][ T6777] ? __raw_spin_lock_init+0x45/0x100
[ 287.596392][ T6777] ? __init_swait_queue_head+0xa8/0x150
[ 287.596417][ T6777] gfs2_sys_fs_add+0x257/0x480
[ 287.596439][ T6777] ? is_dynamic_key+0xa5/0x1c0
[ 287.596468][ T6777] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 287.596491][ T6777] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 287.596522][ T6777] gfs2_fill_super+0x1368/0x20f0
[ 287.596556][ T6777] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.596587][ T6777] ? sb_set_blocksize+0x11b/0x210
[ 287.596615][ T6777] ? setup_bdev_super+0x4c1/0x5b0
[ 287.596644][ T6777] get_tree_bdev_flags+0x430/0x4f0
[ 287.596673][ T6777] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.596701][ T6777] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 287.596732][ T6777] gfs2_get_tree+0x51/0x1e0
[ 287.596763][ T6777] vfs_get_tree+0x92/0x2a0
[ 287.596792][ T6777] do_new_mount+0x319/0xdc0
[ 287.596818][ T6777] ? __pfx_do_new_mount+0x10/0x10
[ 287.596851][ T6777] ? ns_capable+0x89/0xe0
[ 287.596872][ T6777] ? path_mount+0x647/0x1040
[ 287.596895][ T6777] ? user_path_at+0xd4/0x160
[ 287.596920][ T6777] __se_sys_mount+0x31d/0x420
[ 287.596945][ T6777] ? __pfx___se_sys_mount+0x10/0x10
[ 287.596971][ T6777] ? rcu_is_watching+0x15/0xb0
[ 287.596990][ T6777] ? __x64_sys_mount+0x20/0xc0
[ 287.597012][ T6777] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.597034][ T6777] do_syscall_64+0x174/0x580
[ 287.597064][ T6777] ? trace_irq_disable+0x3b/0x140
[ 287.597091][ T6777] ? clear_bhb_loop+0x40/0x90
[ 287.597114][ T6777] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.597135][ T6777] RIP: 0033:0x7f32177de0ca
[ 287.597154][ T6777] 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
[ 287.597173][ T6777] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.597197][ T6777] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 287.597212][ T6777] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 287.597226][ T6777] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 287.597239][ T6777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 287.597253][ T6777] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 287.597273][ T6777]
[ 287.607670][ T6777] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.607693][ T6777] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.994073][ T6780] loop1: detected capacity change from 0 to 32768
[ 287.996931][ T6780] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.996955][ T6780] CPU: 1 UID: 0 PID: 6780 Comm: syz.1.337 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 287.996981][ T6780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 287.996994][ T6780] Call Trace:
[ 287.997001][ T6780]
[ 287.997010][ T6780] dump_stack_lvl+0xe8/0x150
[ 287.997043][ T6780] sysfs_create_dir_ns+0x271/0x2a0
[ 287.997066][ T6780] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 287.997092][ T6780] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 287.997115][ T6780] ? rt_spin_unlock+0x160/0x200
[ 287.997140][ T6780] kobject_add_internal+0x62c/0xce0
[ 287.997167][ T6780] kobject_init_and_add+0x12b/0x1a0
[ 287.997188][ T6780] ? rcu_is_watching+0x15/0xb0
[ 287.997215][ T6780] ? __pfx_kobject_init_and_add+0x10/0x10
[ 287.997245][ T6780] ? __raw_spin_lock_init+0x45/0x100
[ 287.997280][ T6780] ? __init_swait_queue_head+0xa8/0x150
[ 287.997305][ T6780] gfs2_sys_fs_add+0x257/0x480
[ 287.997328][ T6780] ? is_dynamic_key+0xa5/0x1c0
[ 287.997354][ T6780] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 287.997376][ T6780] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 287.997402][ T6780] gfs2_fill_super+0x1368/0x20f0
[ 287.997432][ T6780] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.997460][ T6780] ? sb_set_blocksize+0x11b/0x210
[ 287.997480][ T6780] ? setup_bdev_super+0x4c1/0x5b0
[ 287.997507][ T6780] get_tree_bdev_flags+0x430/0x4f0
[ 287.997533][ T6780] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.997558][ T6780] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 287.997587][ T6780] gfs2_get_tree+0x51/0x1e0
[ 287.997613][ T6780] vfs_get_tree+0x92/0x2a0
[ 287.997639][ T6780] do_new_mount+0x319/0xdc0
[ 287.997661][ T6780] ? __pfx_do_new_mount+0x10/0x10
[ 287.997682][ T6780] ? ns_capable+0x89/0xe0
[ 287.997700][ T6780] ? path_mount+0x647/0x1040
[ 287.997720][ T6780] ? user_path_at+0xd4/0x160
[ 287.997744][ T6780] __se_sys_mount+0x31d/0x420
[ 287.997767][ T6780] ? __pfx___se_sys_mount+0x10/0x10
[ 287.997789][ T6780] ? rcu_is_watching+0x15/0xb0
[ 287.997806][ T6780] ? __x64_sys_mount+0x20/0xc0
[ 287.997826][ T6780] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.997846][ T6780] do_syscall_64+0x174/0x580
[ 287.997872][ T6780] ? trace_irq_disable+0x3b/0x140
[ 287.997897][ T6780] ? clear_bhb_loop+0x40/0x90
[ 287.997918][ T6780] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.997937][ T6780] RIP: 0033:0x7f32177de0ca
[ 287.997955][ T6780] 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
[ 287.997971][ T6780] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.997993][ T6780] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 287.998008][ T6780] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 287.998021][ T6780] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 287.998034][ T6780] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 287.998047][ T6780] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 287.998067][ T6780]
[ 288.000524][ T6780] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.000544][ T6780] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.433868][ T6783] loop1: detected capacity change from 0 to 32768
[ 288.443991][ T6783] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.444016][ T6783] CPU: 0 UID: 0 PID: 6783 Comm: syz.1.338 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 288.444042][ T6783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 288.444056][ T6783] Call Trace:
[ 288.444064][ T6783]
[ 288.444073][ T6783] dump_stack_lvl+0xe8/0x150
[ 288.444106][ T6783] sysfs_create_dir_ns+0x271/0x2a0
[ 288.444130][ T6783] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 288.444158][ T6783] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 288.444182][ T6783] ? rt_spin_unlock+0x160/0x200
[ 288.444207][ T6783] kobject_add_internal+0x62c/0xce0
[ 288.444235][ T6783] kobject_init_and_add+0x12b/0x1a0
[ 288.444258][ T6783] ? rcu_is_watching+0x15/0xb0
[ 288.444281][ T6783] ? __pfx_kobject_init_and_add+0x10/0x10
[ 288.444305][ T6783] ? __raw_spin_lock_init+0x45/0x100
[ 288.444333][ T6783] ? __init_swait_queue_head+0xa8/0x150
[ 288.444368][ T6783] gfs2_sys_fs_add+0x257/0x480
[ 288.444391][ T6783] ? is_dynamic_key+0xa5/0x1c0
[ 288.444420][ T6783] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 288.444447][ T6783] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 288.444482][ T6783] gfs2_fill_super+0x1368/0x20f0
[ 288.444518][ T6783] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.444555][ T6783] ? sb_set_blocksize+0x11b/0x210
[ 288.444577][ T6783] ? setup_bdev_super+0x4c1/0x5b0
[ 288.444608][ T6783] get_tree_bdev_flags+0x430/0x4f0
[ 288.444638][ T6783] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.444668][ T6783] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 288.444702][ T6783] gfs2_get_tree+0x51/0x1e0
[ 288.444732][ T6783] vfs_get_tree+0x92/0x2a0
[ 288.444761][ T6783] do_new_mount+0x319/0xdc0
[ 288.444787][ T6783] ? __pfx_do_new_mount+0x10/0x10
[ 288.444811][ T6783] ? ns_capable+0x89/0xe0
[ 288.444832][ T6783] ? path_mount+0x647/0x1040
[ 288.444855][ T6783] ? user_path_at+0xd4/0x160
[ 288.444883][ T6783] __se_sys_mount+0x31d/0x420
[ 288.444909][ T6783] ? __pfx___se_sys_mount+0x10/0x10
[ 288.444934][ T6783] ? rcu_is_watching+0x15/0xb0
[ 288.444954][ T6783] ? __x64_sys_mount+0x20/0xc0
[ 288.444976][ T6783] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.444999][ T6783] do_syscall_64+0x174/0x580
[ 288.445029][ T6783] ? trace_irq_disable+0x3b/0x140
[ 288.445058][ T6783] ? clear_bhb_loop+0x40/0x90
[ 288.445082][ T6783] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.445104][ T6783] RIP: 0033:0x7f32177de0ca
[ 288.445124][ T6783] 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
[ 288.445143][ T6783] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.445168][ T6783] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 288.445185][ T6783] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 288.445201][ T6783] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 288.445216][ T6783] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 288.445230][ T6783] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 288.445253][ T6783]
[ 288.464555][ T6783] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.464580][ T6783] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.767363][ T4927] Bluetooth: hci1: command 0x0406 tx timeout
[ 288.902705][ T6786] loop1: detected capacity change from 0 to 32768
[ 288.922335][ T6786] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.922362][ T6786] CPU: 0 UID: 0 PID: 6786 Comm: syz.1.339 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 288.922388][ T6786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 288.922402][ T6786] Call Trace:
[ 288.922410][ T6786]
[ 288.922419][ T6786] dump_stack_lvl+0xe8/0x150
[ 288.922453][ T6786] sysfs_create_dir_ns+0x271/0x2a0
[ 288.922477][ T6786] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 288.922505][ T6786] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 288.922528][ T6786] ? rt_spin_unlock+0x160/0x200
[ 288.922552][ T6786] kobject_add_internal+0x62c/0xce0
[ 288.922577][ T6786] kobject_init_and_add+0x12b/0x1a0
[ 288.922597][ T6786] ? rcu_is_watching+0x15/0xb0
[ 288.922613][ T6786] ? __pfx_kobject_init_and_add+0x10/0x10
[ 288.922626][ T6786] ? __raw_spin_lock_init+0x45/0x100
[ 288.922641][ T6786] ? __init_swait_queue_head+0xa8/0x150
[ 288.922656][ T6786] gfs2_sys_fs_add+0x257/0x480
[ 288.922668][ T6786] ? is_dynamic_key+0xa5/0x1c0
[ 288.922684][ T6786] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 288.922699][ T6786] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 288.922717][ T6786] gfs2_fill_super+0x1368/0x20f0
[ 288.922737][ T6786] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.922754][ T6786] ? sb_set_blocksize+0x11b/0x210
[ 288.922767][ T6786] ? setup_bdev_super+0x4c1/0x5b0
[ 288.922788][ T6786] get_tree_bdev_flags+0x430/0x4f0
[ 288.922804][ T6786] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.922820][ T6786] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 288.922839][ T6786] gfs2_get_tree+0x51/0x1e0
[ 288.922856][ T6786] vfs_get_tree+0x92/0x2a0
[ 288.922872][ T6786] do_new_mount+0x319/0xdc0
[ 288.922887][ T6786] ? __pfx_do_new_mount+0x10/0x10
[ 288.922900][ T6786] ? ns_capable+0x89/0xe0
[ 288.922911][ T6786] ? path_mount+0x647/0x1040
[ 288.922924][ T6786] ? user_path_at+0xd4/0x160
[ 288.922939][ T6786] __se_sys_mount+0x31d/0x420
[ 288.922953][ T6786] ? __pfx___se_sys_mount+0x10/0x10
[ 288.922967][ T6786] ? rcu_is_watching+0x15/0xb0
[ 288.922978][ T6786] ? __x64_sys_mount+0x20/0xc0
[ 288.922991][ T6786] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.923003][ T6786] do_syscall_64+0x174/0x580
[ 288.923020][ T6786] ? trace_irq_disable+0x3b/0x140
[ 288.923037][ T6786] ? clear_bhb_loop+0x40/0x90
[ 288.923054][ T6786] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.923065][ T6786] RIP: 0033:0x7f32177de0ca
[ 288.923077][ T6786] 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
[ 288.923088][ T6786] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.923103][ T6786] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 288.923113][ T6786] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 288.923121][ T6786] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 288.923129][ T6786] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 288.923138][ T6786] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 288.923150][ T6786]
[ 288.923176][ T6786] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.923187][ T6786] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.353163][ T6790] loop1: detected capacity change from 0 to 32768
[ 289.356319][ T6790] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.356344][ T6790] CPU: 0 UID: 0 PID: 6790 Comm: syz.1.340 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 289.356370][ T6790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 289.356384][ T6790] Call Trace:
[ 289.356392][ T6790]
[ 289.356401][ T6790] dump_stack_lvl+0xe8/0x150
[ 289.356434][ T6790] sysfs_create_dir_ns+0x271/0x2a0
[ 289.356457][ T6790] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 289.356485][ T6790] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 289.356509][ T6790] ? rt_spin_unlock+0x160/0x200
[ 289.356534][ T6790] kobject_add_internal+0x62c/0xce0
[ 289.356560][ T6790] kobject_init_and_add+0x12b/0x1a0
[ 289.356583][ T6790] ? rcu_is_watching+0x15/0xb0
[ 289.356604][ T6790] ? __pfx_kobject_init_and_add+0x10/0x10
[ 289.356629][ T6790] ? __raw_spin_lock_init+0x45/0x100
[ 289.356654][ T6790] ? __init_swait_queue_head+0xa8/0x150
[ 289.356679][ T6790] gfs2_sys_fs_add+0x257/0x480
[ 289.356710][ T6790] ? is_dynamic_key+0xa5/0x1c0
[ 289.356739][ T6790] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 289.356765][ T6790] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 289.356799][ T6790] gfs2_fill_super+0x1368/0x20f0
[ 289.356834][ T6790] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.356870][ T6790] ? sb_set_blocksize+0x11b/0x210
[ 289.356893][ T6790] ? setup_bdev_super+0x4c1/0x5b0
[ 289.356924][ T6790] get_tree_bdev_flags+0x430/0x4f0
[ 289.356953][ T6790] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.356981][ T6790] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 289.357013][ T6790] gfs2_get_tree+0x51/0x1e0
[ 289.357042][ T6790] vfs_get_tree+0x92/0x2a0
[ 289.357072][ T6790] do_new_mount+0x319/0xdc0
[ 289.357097][ T6790] ? __pfx_do_new_mount+0x10/0x10
[ 289.357120][ T6790] ? ns_capable+0x89/0xe0
[ 289.357141][ T6790] ? path_mount+0x647/0x1040
[ 289.357164][ T6790] ? user_path_at+0xd4/0x160
[ 289.357190][ T6790] __se_sys_mount+0x31d/0x420
[ 289.357212][ T6790] ? __pfx___se_sys_mount+0x10/0x10
[ 289.357243][ T6790] ? rcu_is_watching+0x15/0xb0
[ 289.357261][ T6790] ? __x64_sys_mount+0x20/0xc0
[ 289.357282][ T6790] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.357303][ T6790] do_syscall_64+0x174/0x580
[ 289.357332][ T6790] ? trace_irq_disable+0x3b/0x140
[ 289.357360][ T6790] ? clear_bhb_loop+0x40/0x90
[ 289.357385][ T6790] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.357407][ T6790] RIP: 0033:0x7f32177de0ca
[ 289.357426][ T6790] 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
[ 289.357446][ T6790] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.357470][ T6790] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 289.357486][ T6790] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 289.357500][ T6790] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 289.357511][ T6790] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 289.357524][ T6790] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 289.357545][ T6790]
[ 289.439630][ T6790] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.439653][ T6790] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.787547][ T6793] loop1: detected capacity change from 0 to 32768
[ 289.801401][ T6793] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.801426][ T6793] CPU: 1 UID: 0 PID: 6793 Comm: syz.1.341 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 289.801450][ T6793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 289.801463][ T6793] Call Trace:
[ 289.801470][ T6793]
[ 289.801478][ T6793] dump_stack_lvl+0xe8/0x150
[ 289.801508][ T6793] sysfs_create_dir_ns+0x271/0x2a0
[ 289.801528][ T6793] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 289.801553][ T6793] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 289.801574][ T6793] ? rt_spin_unlock+0x160/0x200
[ 289.801596][ T6793] kobject_add_internal+0x62c/0xce0
[ 289.801620][ T6793] kobject_init_and_add+0x12b/0x1a0
[ 289.801639][ T6793] ? rcu_is_watching+0x15/0xb0
[ 289.801658][ T6793] ? __pfx_kobject_init_and_add+0x10/0x10
[ 289.801679][ T6793] ? __raw_spin_lock_init+0x45/0x100
[ 289.801702][ T6793] ? __init_swait_queue_head+0xa8/0x150
[ 289.801724][ T6793] gfs2_sys_fs_add+0x257/0x480
[ 289.801747][ T6793] ? is_dynamic_key+0xa5/0x1c0
[ 289.801770][ T6793] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 289.801794][ T6793] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 289.801823][ T6793] gfs2_fill_super+0x1368/0x20f0
[ 289.801854][ T6793] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.801881][ T6793] ? sb_set_blocksize+0x11b/0x210
[ 289.801901][ T6793] ? setup_bdev_super+0x4c1/0x5b0
[ 289.801928][ T6793] get_tree_bdev_flags+0x430/0x4f0
[ 289.801953][ T6793] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.801978][ T6793] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 289.802007][ T6793] gfs2_get_tree+0x51/0x1e0
[ 289.802033][ T6793] vfs_get_tree+0x92/0x2a0
[ 289.802059][ T6793] do_new_mount+0x319/0xdc0
[ 289.802081][ T6793] ? __pfx_do_new_mount+0x10/0x10
[ 289.802102][ T6793] ? ns_capable+0x89/0xe0
[ 289.802120][ T6793] ? path_mount+0x647/0x1040
[ 289.802140][ T6793] ? user_path_at+0xd4/0x160
[ 289.802163][ T6793] __se_sys_mount+0x31d/0x420
[ 289.802185][ T6793] ? __pfx___se_sys_mount+0x10/0x10
[ 289.802215][ T6793] ? rcu_is_watching+0x15/0xb0
[ 289.802233][ T6793] ? __x64_sys_mount+0x20/0xc0
[ 289.802252][ T6793] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.802272][ T6793] do_syscall_64+0x174/0x580
[ 289.802298][ T6793] ? trace_irq_disable+0x3b/0x140
[ 289.802323][ T6793] ? clear_bhb_loop+0x40/0x90
[ 289.802343][ T6793] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.802361][ T6793] RIP: 0033:0x7f32177de0ca
[ 289.802379][ T6793] 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
[ 289.802395][ T6793] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.802417][ T6793] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 289.802432][ T6793] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 289.802446][ T6793] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 289.802460][ T6793] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 289.802473][ T6793] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 289.802493][ T6793]
[ 289.802511][ T6793] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.802526][ T6793] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.198820][ T6797] loop1: detected capacity change from 0 to 32768
[ 290.202388][ T6797] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.202413][ T6797] CPU: 1 UID: 0 PID: 6797 Comm: syz.1.342 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 290.202439][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 290.202452][ T6797] Call Trace:
[ 290.202460][ T6797]
[ 290.202469][ T6797] dump_stack_lvl+0xe8/0x150
[ 290.202503][ T6797] sysfs_create_dir_ns+0x271/0x2a0
[ 290.202526][ T6797] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 290.202553][ T6797] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 290.202577][ T6797] ? rt_spin_unlock+0x160/0x200
[ 290.202602][ T6797] kobject_add_internal+0x62c/0xce0
[ 290.202628][ T6797] kobject_init_and_add+0x12b/0x1a0
[ 290.202651][ T6797] ? rcu_is_watching+0x15/0xb0
[ 290.202673][ T6797] ? __pfx_kobject_init_and_add+0x10/0x10
[ 290.202696][ T6797] ? __raw_spin_lock_init+0x45/0x100
[ 290.202721][ T6797] ? __init_swait_queue_head+0xa8/0x150
[ 290.202745][ T6797] gfs2_sys_fs_add+0x257/0x480
[ 290.202767][ T6797] ? is_dynamic_key+0xa5/0x1c0
[ 290.202792][ T6797] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 290.202814][ T6797] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 290.202855][ T6797] gfs2_fill_super+0x1368/0x20f0
[ 290.202889][ T6797] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.202919][ T6797] ? sb_set_blocksize+0x11b/0x210
[ 290.202940][ T6797] ? setup_bdev_super+0x4c1/0x5b0
[ 290.202968][ T6797] get_tree_bdev_flags+0x430/0x4f0
[ 290.202995][ T6797] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.203021][ T6797] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 290.203051][ T6797] gfs2_get_tree+0x51/0x1e0
[ 290.203078][ T6797] vfs_get_tree+0x92/0x2a0
[ 290.203106][ T6797] do_new_mount+0x319/0xdc0
[ 290.203130][ T6797] ? __pfx_do_new_mount+0x10/0x10
[ 290.203170][ T6797] ? ns_capable+0x89/0xe0
[ 290.203191][ T6797] ? path_mount+0x647/0x1040
[ 290.203213][ T6797] ? user_path_at+0xd4/0x160
[ 290.203240][ T6797] __se_sys_mount+0x31d/0x420
[ 290.203264][ T6797] ? __pfx___se_sys_mount+0x10/0x10
[ 290.203289][ T6797] ? rcu_is_watching+0x15/0xb0
[ 290.203309][ T6797] ? __x64_sys_mount+0x20/0xc0
[ 290.203334][ T6797] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.203356][ T6797] do_syscall_64+0x174/0x580
[ 290.203383][ T6797] ? trace_irq_disable+0x3b/0x140
[ 290.203411][ T6797] ? clear_bhb_loop+0x40/0x90
[ 290.203433][ T6797] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.203454][ T6797] RIP: 0033:0x7f32177de0ca
[ 290.203473][ T6797] 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
[ 290.203492][ T6797] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.203516][ T6797] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 290.203531][ T6797] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 290.203546][ T6797] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 290.203560][ T6797] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 290.203575][ T6797] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 290.203597][ T6797]
[ 290.203672][ T6797] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.203706][ T6797] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.566146][ T6800] loop1: detected capacity change from 0 to 32768
[ 290.580075][ T6800] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.580101][ T6800] CPU: 1 UID: 0 PID: 6800 Comm: syz.1.343 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 290.580128][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 290.580143][ T6800] Call Trace:
[ 290.580151][ T6800]
[ 290.580160][ T6800] dump_stack_lvl+0xe8/0x150
[ 290.580193][ T6800] sysfs_create_dir_ns+0x271/0x2a0
[ 290.580217][ T6800] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 290.580244][ T6800] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 290.580277][ T6800] ? rt_spin_unlock+0x160/0x200
[ 290.580303][ T6800] kobject_add_internal+0x62c/0xce0
[ 290.580330][ T6800] kobject_init_and_add+0x12b/0x1a0
[ 290.580354][ T6800] ? rcu_is_watching+0x15/0xb0
[ 290.580375][ T6800] ? __pfx_kobject_init_and_add+0x10/0x10
[ 290.580399][ T6800] ? __raw_spin_lock_init+0x45/0x100
[ 290.580427][ T6800] ? __init_swait_queue_head+0xa8/0x150
[ 290.580452][ T6800] gfs2_sys_fs_add+0x257/0x480
[ 290.580474][ T6800] ? is_dynamic_key+0xa5/0x1c0
[ 290.580502][ T6800] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 290.580529][ T6800] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 290.580563][ T6800] gfs2_fill_super+0x1368/0x20f0
[ 290.580599][ T6800] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.580632][ T6800] ? sb_set_blocksize+0x11b/0x210
[ 290.580655][ T6800] ? setup_bdev_super+0x4c1/0x5b0
[ 290.580687][ T6800] get_tree_bdev_flags+0x430/0x4f0
[ 290.580716][ T6800] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.580746][ T6800] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 290.580779][ T6800] gfs2_get_tree+0x51/0x1e0
[ 290.580810][ T6800] vfs_get_tree+0x92/0x2a0
[ 290.580840][ T6800] do_new_mount+0x319/0xdc0
[ 290.580866][ T6800] ? __pfx_do_new_mount+0x10/0x10
[ 290.580888][ T6800] ? ns_capable+0x89/0xe0
2026/06/17 04:17:24 executed programs: 329
[ 290.580909][ T6800] ? path_mount+0x647/0x1040
[ 290.580933][ T6800] ? user_path_at+0xd4/0x160
[ 290.580960][ T6800] __se_sys_mount+0x31d/0x420
[ 290.580990][ T6800] ? __pfx___se_sys_mount+0x10/0x10
[ 290.581015][ T6800] ? rcu_is_watching+0x15/0xb0
[ 290.581034][ T6800] ? __x64_sys_mount+0x20/0xc0
[ 290.581056][ T6800] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.581079][ T6800] do_syscall_64+0x174/0x580
[ 290.581109][ T6800] ? trace_irq_disable+0x3b/0x140
[ 290.581136][ T6800] ? clear_bhb_loop+0x40/0x90
[ 290.581159][ T6800] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.581180][ T6800] RIP: 0033:0x7f32177de0ca
[ 290.581199][ T6800] 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
[ 290.581217][ T6800] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.581241][ T6800] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 290.581265][ T6800] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 290.581280][ T6800] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 290.581294][ T6800] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 290.581308][ T6800] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 290.581331][ T6800]
[ 290.581408][ T6800] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.581426][ T6800] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.036935][ T6805] loop1: detected capacity change from 0 to 32768
[ 291.066975][ T6805] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.067003][ T6805] CPU: 1 UID: 0 PID: 6805 Comm: syz.1.344 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 291.067028][ T6805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 291.067042][ T6805] Call Trace:
[ 291.067050][ T6805]
[ 291.067059][ T6805] dump_stack_lvl+0xe8/0x150
[ 291.067093][ T6805] sysfs_create_dir_ns+0x271/0x2a0
[ 291.067115][ T6805] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 291.067142][ T6805] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 291.067167][ T6805] ? rt_spin_unlock+0x160/0x200
[ 291.067198][ T6805] kobject_add_internal+0x62c/0xce0
[ 291.067232][ T6805] kobject_init_and_add+0x12b/0x1a0
[ 291.067254][ T6805] ? rcu_is_watching+0x15/0xb0
[ 291.067274][ T6805] ? __pfx_kobject_init_and_add+0x10/0x10
[ 291.067296][ T6805] ? __raw_spin_lock_init+0x45/0x100
[ 291.067322][ T6805] ? __init_swait_queue_head+0xa8/0x150
[ 291.067347][ T6805] gfs2_sys_fs_add+0x257/0x480
[ 291.067371][ T6805] ? is_dynamic_key+0xa5/0x1c0
[ 291.067400][ T6805] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 291.067426][ T6805] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 291.067458][ T6805] gfs2_fill_super+0x1368/0x20f0
[ 291.067492][ T6805] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.067524][ T6805] ? sb_set_blocksize+0x11b/0x210
[ 291.067546][ T6805] ? setup_bdev_super+0x4c1/0x5b0
[ 291.067576][ T6805] get_tree_bdev_flags+0x430/0x4f0
[ 291.067606][ T6805] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.067635][ T6805] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 291.067668][ T6805] gfs2_get_tree+0x51/0x1e0
[ 291.067698][ T6805] vfs_get_tree+0x92/0x2a0
[ 291.067727][ T6805] do_new_mount+0x319/0xdc0
[ 291.067752][ T6805] ? __pfx_do_new_mount+0x10/0x10
[ 291.067774][ T6805] ? ns_capable+0x89/0xe0
[ 291.067795][ T6805] ? path_mount+0x647/0x1040
[ 291.067817][ T6805] ? user_path_at+0xd4/0x160
[ 291.067853][ T6805] __se_sys_mount+0x31d/0x420
[ 291.067879][ T6805] ? __pfx___se_sys_mount+0x10/0x10
[ 291.067904][ T6805] ? rcu_is_watching+0x15/0xb0
[ 291.067924][ T6805] ? __x64_sys_mount+0x20/0xc0
[ 291.067946][ T6805] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.067968][ T6805] do_syscall_64+0x174/0x580
[ 291.067999][ T6805] ? trace_irq_disable+0x3b/0x140
[ 291.068027][ T6805] ? clear_bhb_loop+0x40/0x90
[ 291.068051][ T6805] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.068071][ T6805] RIP: 0033:0x7f32177de0ca
[ 291.068090][ T6805] 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
[ 291.068109][ T6805] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.068133][ T6805] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 291.068150][ T6805] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 291.068165][ T6805] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 291.068180][ T6805] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 291.068194][ T6805] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 291.068216][ T6805]
[ 291.081077][ T6805] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.081100][ T6805] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.478639][ T6808] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.478665][ T6808] CPU: 0 UID: 0 PID: 6808 Comm: syz.1.345 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 291.478691][ T6808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 291.478705][ T6808] Call Trace:
[ 291.478712][ T6808]
[ 291.478721][ T6808] dump_stack_lvl+0xe8/0x150
[ 291.478754][ T6808] sysfs_create_dir_ns+0x271/0x2a0
[ 291.478778][ T6808] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 291.478805][ T6808] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 291.478829][ T6808] ? rt_spin_unlock+0x160/0x200
[ 291.478858][ T6808] kobject_add_internal+0x62c/0xce0
[ 291.478886][ T6808] kobject_init_and_add+0x12b/0x1a0
[ 291.478907][ T6808] ? rcu_is_watching+0x15/0xb0
[ 291.478928][ T6808] ? __pfx_kobject_init_and_add+0x10/0x10
[ 291.478952][ T6808] ? __raw_spin_lock_init+0x45/0x100
[ 291.478977][ T6808] ? __init_swait_queue_head+0xa8/0x150
[ 291.479001][ T6808] gfs2_sys_fs_add+0x257/0x480
[ 291.479024][ T6808] ? is_dynamic_key+0xa5/0x1c0
[ 291.479051][ T6808] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 291.479077][ T6808] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 291.479108][ T6808] gfs2_fill_super+0x1368/0x20f0
[ 291.479141][ T6808] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.479170][ T6808] ? sb_set_blocksize+0x11b/0x210
[ 291.479191][ T6808] ? setup_bdev_super+0x4c1/0x5b0
[ 291.479220][ T6808] get_tree_bdev_flags+0x430/0x4f0
[ 291.479246][ T6808] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.479272][ T6808] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 291.479304][ T6808] gfs2_get_tree+0x51/0x1e0
[ 291.479333][ T6808] vfs_get_tree+0x92/0x2a0
[ 291.479361][ T6808] do_new_mount+0x319/0xdc0
[ 291.479385][ T6808] ? __pfx_do_new_mount+0x10/0x10
[ 291.479417][ T6808] ? ns_capable+0x89/0xe0
[ 291.479439][ T6808] ? path_mount+0x647/0x1040
[ 291.479462][ T6808] ? user_path_at+0xd4/0x160
[ 291.479488][ T6808] __se_sys_mount+0x31d/0x420
[ 291.479511][ T6808] ? __pfx___se_sys_mount+0x10/0x10
[ 291.479534][ T6808] ? rcu_is_watching+0x15/0xb0
[ 291.479554][ T6808] ? __x64_sys_mount+0x20/0xc0
[ 291.479575][ T6808] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.479596][ T6808] do_syscall_64+0x174/0x580
[ 291.479624][ T6808] ? trace_irq_disable+0x3b/0x140
[ 291.479647][ T6808] ? clear_bhb_loop+0x40/0x90
[ 291.479664][ T6808] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.479681][ T6808] RIP: 0033:0x7f32177de0ca
[ 291.479697][ T6808] 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
[ 291.479712][ T6808] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.479731][ T6808] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 291.479744][ T6808] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 291.479756][ T6808] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 291.479768][ T6808] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 291.479780][ T6808] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 291.479796][ T6808]
[ 291.479841][ T6808] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.479860][ T6808] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.092822][ T6813] set_capacity_and_notify: 1 callbacks suppressed
[ 292.092836][ T6813] loop1: detected capacity change from 0 to 32768
[ 292.097363][ T6813] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.097387][ T6813] CPU: 0 UID: 0 PID: 6813 Comm: syz.1.347 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 292.097411][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 292.097423][ T6813] Call Trace:
[ 292.097431][ T6813]
[ 292.097439][ T6813] dump_stack_lvl+0xe8/0x150
[ 292.097469][ T6813] sysfs_create_dir_ns+0x271/0x2a0
[ 292.097490][ T6813] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 292.097514][ T6813] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 292.097535][ T6813] ? rt_spin_unlock+0x160/0x200
[ 292.097557][ T6813] kobject_add_internal+0x62c/0xce0
[ 292.097582][ T6813] kobject_init_and_add+0x12b/0x1a0
[ 292.097602][ T6813] ? rcu_is_watching+0x15/0xb0
[ 292.097622][ T6813] ? __pfx_kobject_init_and_add+0x10/0x10
[ 292.097644][ T6813] ? __raw_spin_lock_init+0x45/0x100
[ 292.097668][ T6813] ? __init_swait_queue_head+0xa8/0x150
[ 292.097710][ T6813] gfs2_sys_fs_add+0x257/0x480
[ 292.097730][ T6813] ? is_dynamic_key+0xa5/0x1c0
[ 292.097755][ T6813] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 292.097778][ T6813] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 292.097807][ T6813] gfs2_fill_super+0x1368/0x20f0
[ 292.097838][ T6813] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.097865][ T6813] ? sb_set_blocksize+0x11b/0x210
[ 292.097885][ T6813] ? setup_bdev_super+0x4c1/0x5b0
[ 292.097911][ T6813] get_tree_bdev_flags+0x430/0x4f0
[ 292.097937][ T6813] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.097962][ T6813] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 292.097991][ T6813] gfs2_get_tree+0x51/0x1e0
[ 292.098018][ T6813] vfs_get_tree+0x92/0x2a0
[ 292.098044][ T6813] do_new_mount+0x319/0xdc0
[ 292.098066][ T6813] ? __pfx_do_new_mount+0x10/0x10
[ 292.098086][ T6813] ? ns_capable+0x89/0xe0
[ 292.098105][ T6813] ? path_mount+0x647/0x1040
[ 292.098125][ T6813] ? user_path_at+0xd4/0x160
[ 292.098149][ T6813] __se_sys_mount+0x31d/0x420
[ 292.098171][ T6813] ? __pfx___se_sys_mount+0x10/0x10
[ 292.098194][ T6813] ? rcu_is_watching+0x15/0xb0
[ 292.098211][ T6813] ? __x64_sys_mount+0x20/0xc0
[ 292.098231][ T6813] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.098252][ T6813] do_syscall_64+0x174/0x580
[ 292.098279][ T6813] ? trace_irq_disable+0x3b/0x140
[ 292.098304][ T6813] ? clear_bhb_loop+0x40/0x90
[ 292.098326][ T6813] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.098345][ T6813] RIP: 0033:0x7f32177de0ca
[ 292.098363][ T6813] 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
[ 292.098380][ T6813] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.098402][ T6813] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 292.098417][ T6813] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 292.098431][ T6813] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 292.098444][ T6813] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 292.098456][ T6813] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 292.098476][ T6813]
[ 292.098498][ T6813] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.098513][ T6813] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.509623][ T6816] loop1: detected capacity change from 0 to 32768
[ 292.523977][ T6816] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.524002][ T6816] CPU: 1 UID: 0 PID: 6816 Comm: syz.1.348 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 292.524027][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 292.524041][ T6816] Call Trace:
[ 292.524049][ T6816]
[ 292.524058][ T6816] dump_stack_lvl+0xe8/0x150
[ 292.524093][ T6816] sysfs_create_dir_ns+0x271/0x2a0
[ 292.524114][ T6816] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 292.524141][ T6816] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 292.524163][ T6816] ? rt_spin_unlock+0x160/0x200
[ 292.524188][ T6816] kobject_add_internal+0x62c/0xce0
[ 292.524215][ T6816] kobject_init_and_add+0x12b/0x1a0
[ 292.524248][ T6816] ? rcu_is_watching+0x15/0xb0
[ 292.524271][ T6816] ? __pfx_kobject_init_and_add+0x10/0x10
[ 292.524295][ T6816] ? __raw_spin_lock_init+0x45/0x100
[ 292.524322][ T6816] ? __init_swait_queue_head+0xa8/0x150
[ 292.524348][ T6816] gfs2_sys_fs_add+0x257/0x480
[ 292.524372][ T6816] ? is_dynamic_key+0xa5/0x1c0
[ 292.524401][ T6816] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 292.524427][ T6816] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 292.524464][ T6816] gfs2_fill_super+0x1368/0x20f0
[ 292.524499][ T6816] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.524528][ T6816] ? sb_set_blocksize+0x11b/0x210
[ 292.524549][ T6816] ? setup_bdev_super+0x4c1/0x5b0
[ 292.524579][ T6816] get_tree_bdev_flags+0x430/0x4f0
[ 292.524608][ T6816] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.524637][ T6816] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 292.524670][ T6816] gfs2_get_tree+0x51/0x1e0
[ 292.524700][ T6816] vfs_get_tree+0x92/0x2a0
[ 292.524728][ T6816] do_new_mount+0x319/0xdc0
[ 292.524752][ T6816] ? __pfx_do_new_mount+0x10/0x10
[ 292.524775][ T6816] ? ns_capable+0x89/0xe0
[ 292.524796][ T6816] ? path_mount+0x647/0x1040
[ 292.524820][ T6816] ? user_path_at+0xd4/0x160
[ 292.524847][ T6816] __se_sys_mount+0x31d/0x420
[ 292.524873][ T6816] ? __pfx___se_sys_mount+0x10/0x10
[ 292.524898][ T6816] ? rcu_is_watching+0x15/0xb0
[ 292.524917][ T6816] ? __x64_sys_mount+0x20/0xc0
[ 292.524939][ T6816] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.524961][ T6816] do_syscall_64+0x174/0x580
[ 292.524991][ T6816] ? trace_irq_disable+0x3b/0x140
[ 292.525017][ T6816] ? clear_bhb_loop+0x40/0x90
[ 292.525041][ T6816] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.525062][ T6816] RIP: 0033:0x7f32177de0ca
[ 292.525082][ T6816] 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
[ 292.525100][ T6816] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.525124][ T6816] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 292.525140][ T6816] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 292.525154][ T6816] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 292.525169][ T6816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 292.525183][ T6816] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 292.525205][ T6816]
[ 292.525246][ T6816] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.525313][ T6816] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.911362][ T6819] loop1: detected capacity change from 0 to 32768
[ 292.915223][ T6819] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.915257][ T6819] CPU: 1 UID: 0 PID: 6819 Comm: syz.1.349 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 292.915283][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 292.915297][ T6819] Call Trace:
[ 292.915305][ T6819]
[ 292.915314][ T6819] dump_stack_lvl+0xe8/0x150
[ 292.915348][ T6819] sysfs_create_dir_ns+0x271/0x2a0
[ 292.915371][ T6819] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 292.915398][ T6819] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 292.915421][ T6819] ? rt_spin_unlock+0x160/0x200
[ 292.915446][ T6819] kobject_add_internal+0x62c/0xce0
[ 292.915473][ T6819] kobject_init_and_add+0x12b/0x1a0
[ 292.915496][ T6819] ? rcu_is_watching+0x15/0xb0
[ 292.915517][ T6819] ? __pfx_kobject_init_and_add+0x10/0x10
[ 292.915541][ T6819] ? __raw_spin_lock_init+0x45/0x100
[ 292.915567][ T6819] ? __init_swait_queue_head+0xa8/0x150
[ 292.915594][ T6819] gfs2_sys_fs_add+0x257/0x480
[ 292.915615][ T6819] ? is_dynamic_key+0xa5/0x1c0
[ 292.915643][ T6819] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 292.915668][ T6819] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 292.915701][ T6819] gfs2_fill_super+0x1368/0x20f0
[ 292.915732][ T6819] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.915761][ T6819] ? sb_set_blocksize+0x11b/0x210
[ 292.915782][ T6819] ? setup_bdev_super+0x4c1/0x5b0
[ 292.915810][ T6819] get_tree_bdev_flags+0x430/0x4f0
[ 292.915837][ T6819] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.915866][ T6819] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 292.915898][ T6819] gfs2_get_tree+0x51/0x1e0
[ 292.915926][ T6819] vfs_get_tree+0x92/0x2a0
[ 292.915953][ T6819] do_new_mount+0x319/0xdc0
[ 292.915977][ T6819] ? __pfx_do_new_mount+0x10/0x10
[ 292.915998][ T6819] ? ns_capable+0x89/0xe0
[ 292.916017][ T6819] ? path_mount+0x647/0x1040
[ 292.916038][ T6819] ? user_path_at+0xd4/0x160
[ 292.916063][ T6819] __se_sys_mount+0x31d/0x420
[ 292.916089][ T6819] ? __pfx___se_sys_mount+0x10/0x10
[ 292.916112][ T6819] ? rcu_is_watching+0x15/0xb0
[ 292.916131][ T6819] ? __x64_sys_mount+0x20/0xc0
[ 292.916154][ T6819] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.916175][ T6819] do_syscall_64+0x174/0x580
[ 292.916205][ T6819] ? trace_irq_disable+0x3b/0x140
[ 292.916244][ T6819] ? clear_bhb_loop+0x40/0x90
[ 292.916268][ T6819] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.916288][ T6819] RIP: 0033:0x7f32177de0ca
[ 292.916307][ T6819] 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
[ 292.916326][ T6819] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.916349][ T6819] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 292.916365][ T6819] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 292.916380][ T6819] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 292.916394][ T6819] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 292.916408][ T6819] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 292.916431][ T6819]
[ 292.916452][ T6819] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.916469][ T6819] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.421847][ T6822] loop1: detected capacity change from 0 to 32768
[ 293.425314][ T6822] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.425340][ T6822] CPU: 0 UID: 0 PID: 6822 Comm: syz.1.350 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 293.425365][ T6822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 293.425379][ T6822] Call Trace:
[ 293.425386][ T6822]
[ 293.425395][ T6822] dump_stack_lvl+0xe8/0x150
[ 293.425427][ T6822] sysfs_create_dir_ns+0x271/0x2a0
[ 293.425451][ T6822] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 293.425478][ T6822] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 293.425502][ T6822] ? rt_spin_unlock+0x160/0x200
[ 293.425527][ T6822] kobject_add_internal+0x62c/0xce0
[ 293.425554][ T6822] kobject_init_and_add+0x12b/0x1a0
[ 293.425576][ T6822] ? rcu_is_watching+0x15/0xb0
[ 293.425598][ T6822] ? __pfx_kobject_init_and_add+0x10/0x10
[ 293.425620][ T6822] ? __raw_spin_lock_init+0x45/0x100
[ 293.425646][ T6822] ? __init_swait_queue_head+0xa8/0x150
[ 293.425671][ T6822] gfs2_sys_fs_add+0x257/0x480
[ 293.425693][ T6822] ? is_dynamic_key+0xa5/0x1c0
[ 293.425721][ T6822] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 293.425748][ T6822] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 293.425791][ T6822] gfs2_fill_super+0x1368/0x20f0
[ 293.425825][ T6822] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.425856][ T6822] ? sb_set_blocksize+0x11b/0x210
[ 293.425878][ T6822] ? setup_bdev_super+0x4c1/0x5b0
[ 293.425904][ T6822] get_tree_bdev_flags+0x430/0x4f0
[ 293.425935][ T6822] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.425962][ T6822] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 293.425994][ T6822] gfs2_get_tree+0x51/0x1e0
[ 293.426024][ T6822] vfs_get_tree+0x92/0x2a0
[ 293.426052][ T6822] do_new_mount+0x319/0xdc0
[ 293.426075][ T6822] ? __pfx_do_new_mount+0x10/0x10
[ 293.426096][ T6822] ? ns_capable+0x89/0xe0
[ 293.426115][ T6822] ? path_mount+0x647/0x1040
[ 293.426135][ T6822] ? user_path_at+0xd4/0x160
[ 293.426162][ T6822] __se_sys_mount+0x31d/0x420
[ 293.426185][ T6822] ? __pfx___se_sys_mount+0x10/0x10
[ 293.426207][ T6822] ? rcu_is_watching+0x15/0xb0
[ 293.426226][ T6822] ? __x64_sys_mount+0x20/0xc0
[ 293.426246][ T6822] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.426267][ T6822] do_syscall_64+0x174/0x580
[ 293.426295][ T6822] ? trace_irq_disable+0x3b/0x140
[ 293.426322][ T6822] ? clear_bhb_loop+0x40/0x90
[ 293.426345][ T6822] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.426366][ T6822] RIP: 0033:0x7f32177de0ca
[ 293.426384][ T6822] 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
[ 293.426403][ T6822] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.426427][ T6822] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 293.426443][ T6822] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 293.426458][ T6822] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 293.426472][ T6822] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 293.426486][ T6822] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 293.426508][ T6822]
[ 293.426654][ T6822] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.426672][ T6822] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.824861][ T6825] loop1: detected capacity change from 0 to 32768
[ 293.844033][ T6825] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.844061][ T6825] CPU: 1 UID: 0 PID: 6825 Comm: syz.1.351 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 293.844087][ T6825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 293.844100][ T6825] Call Trace:
[ 293.844107][ T6825]
[ 293.844116][ T6825] dump_stack_lvl+0xe8/0x150
[ 293.844151][ T6825] sysfs_create_dir_ns+0x271/0x2a0
[ 293.844174][ T6825] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 293.844200][ T6825] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 293.844224][ T6825] ? rt_spin_unlock+0x160/0x200
[ 293.844248][ T6825] kobject_add_internal+0x62c/0xce0
[ 293.844285][ T6825] kobject_init_and_add+0x12b/0x1a0
[ 293.844308][ T6825] ? rcu_is_watching+0x15/0xb0
[ 293.844330][ T6825] ? __pfx_kobject_init_and_add+0x10/0x10
[ 293.844354][ T6825] ? __raw_spin_lock_init+0x45/0x100
[ 293.844380][ T6825] ? __init_swait_queue_head+0xa8/0x150
[ 293.844406][ T6825] gfs2_sys_fs_add+0x257/0x480
[ 293.844429][ T6825] ? is_dynamic_key+0xa5/0x1c0
[ 293.844457][ T6825] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 293.844483][ T6825] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 293.844515][ T6825] gfs2_fill_super+0x1368/0x20f0
[ 293.844550][ T6825] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.844580][ T6825] ? sb_set_blocksize+0x11b/0x210
[ 293.844602][ T6825] ? setup_bdev_super+0x4c1/0x5b0
[ 293.844630][ T6825] get_tree_bdev_flags+0x430/0x4f0
[ 293.844657][ T6825] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.844686][ T6825] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 293.844718][ T6825] gfs2_get_tree+0x51/0x1e0
[ 293.844749][ T6825] vfs_get_tree+0x92/0x2a0
[ 293.844776][ T6825] do_new_mount+0x319/0xdc0
[ 293.844802][ T6825] ? __pfx_do_new_mount+0x10/0x10
[ 293.844826][ T6825] ? ns_capable+0x89/0xe0
[ 293.844848][ T6825] ? path_mount+0x647/0x1040
[ 293.844874][ T6825] ? user_path_at+0xd4/0x160
[ 293.844901][ T6825] __se_sys_mount+0x31d/0x420
[ 293.844928][ T6825] ? __pfx___se_sys_mount+0x10/0x10
[ 293.844952][ T6825] ? rcu_is_watching+0x15/0xb0
[ 293.844972][ T6825] ? __x64_sys_mount+0x20/0xc0
[ 293.844994][ T6825] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.845015][ T6825] do_syscall_64+0x174/0x580
[ 293.845044][ T6825] ? trace_irq_disable+0x3b/0x140
[ 293.845072][ T6825] ? clear_bhb_loop+0x40/0x90
[ 293.845094][ T6825] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.845115][ T6825] RIP: 0033:0x7f32177de0ca
[ 293.845135][ T6825] 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
[ 293.845154][ T6825] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.845179][ T6825] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 293.845195][ T6825] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 293.845211][ T6825] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 293.845225][ T6825] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 293.845240][ T6825] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 293.845261][ T6825]
[ 293.845435][ T6825] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.845455][ T6825] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.228503][ T6828] loop1: detected capacity change from 0 to 32768
[ 294.230579][ T6828] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.230602][ T6828] CPU: 1 UID: 0 PID: 6828 Comm: syz.1.352 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 294.230628][ T6828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 294.230641][ T6828] Call Trace:
[ 294.230649][ T6828]
[ 294.230657][ T6828] dump_stack_lvl+0xe8/0x150
[ 294.230690][ T6828] sysfs_create_dir_ns+0x271/0x2a0
[ 294.230722][ T6828] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 294.230748][ T6828] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 294.230771][ T6828] ? rt_spin_unlock+0x160/0x200
[ 294.230796][ T6828] kobject_add_internal+0x62c/0xce0
[ 294.230824][ T6828] kobject_init_and_add+0x12b/0x1a0
[ 294.230847][ T6828] ? rcu_is_watching+0x15/0xb0
[ 294.230869][ T6828] ? __pfx_kobject_init_and_add+0x10/0x10
[ 294.230893][ T6828] ? __raw_spin_lock_init+0x45/0x100
[ 294.230918][ T6828] ? __init_swait_queue_head+0xa8/0x150
[ 294.230944][ T6828] gfs2_sys_fs_add+0x257/0x480
[ 294.230967][ T6828] ? is_dynamic_key+0xa5/0x1c0
[ 294.230995][ T6828] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 294.231020][ T6828] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 294.231051][ T6828] gfs2_fill_super+0x1368/0x20f0
[ 294.231085][ T6828] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.231120][ T6828] ? sb_set_blocksize+0x11b/0x210
[ 294.231142][ T6828] ? setup_bdev_super+0x4c1/0x5b0
[ 294.231173][ T6828] get_tree_bdev_flags+0x430/0x4f0
[ 294.231200][ T6828] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.231228][ T6828] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 294.231262][ T6828] gfs2_get_tree+0x51/0x1e0
[ 294.231291][ T6828] vfs_get_tree+0x92/0x2a0
[ 294.231320][ T6828] do_new_mount+0x319/0xdc0
[ 294.231346][ T6828] ? __pfx_do_new_mount+0x10/0x10
[ 294.231369][ T6828] ? ns_capable+0x89/0xe0
[ 294.231390][ T6828] ? path_mount+0x647/0x1040
[ 294.231414][ T6828] ? user_path_at+0xd4/0x160
[ 294.231440][ T6828] __se_sys_mount+0x31d/0x420
[ 294.231466][ T6828] ? __pfx___se_sys_mount+0x10/0x10
[ 294.231491][ T6828] ? rcu_is_watching+0x15/0xb0
[ 294.231511][ T6828] ? __x64_sys_mount+0x20/0xc0
[ 294.231532][ T6828] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.231555][ T6828] do_syscall_64+0x174/0x580
[ 294.231585][ T6828] ? trace_irq_disable+0x3b/0x140
[ 294.231614][ T6828] ? clear_bhb_loop+0x40/0x90
[ 294.231636][ T6828] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.231656][ T6828] RIP: 0033:0x7f32177de0ca
[ 294.231675][ T6828] 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
[ 294.231692][ T6828] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.231725][ T6828] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 294.231740][ T6828] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 294.231754][ T6828] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 294.231768][ T6828] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 294.231783][ T6828] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 294.231806][ T6828]
[ 294.231837][ T6828] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.231853][ T6828] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.843548][ T6832] loop1: detected capacity change from 0 to 32768
[ 294.863504][ T6832] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.863530][ T6832] CPU: 0 UID: 0 PID: 6832 Comm: syz.1.354 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 294.863556][ T6832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 294.863569][ T6832] Call Trace:
[ 294.863578][ T6832]
[ 294.863586][ T6832] dump_stack_lvl+0xe8/0x150
[ 294.863620][ T6832] sysfs_create_dir_ns+0x271/0x2a0
[ 294.863643][ T6832] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 294.863670][ T6832] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 294.863694][ T6832] ? rt_spin_unlock+0x160/0x200
[ 294.863718][ T6832] kobject_add_internal+0x62c/0xce0
[ 294.863745][ T6832] kobject_init_and_add+0x12b/0x1a0
[ 294.863766][ T6832] ? rcu_is_watching+0x15/0xb0
[ 294.863788][ T6832] ? __pfx_kobject_init_and_add+0x10/0x10
[ 294.863811][ T6832] ? __raw_spin_lock_init+0x45/0x100
[ 294.863838][ T6832] ? __init_swait_queue_head+0xa8/0x150
[ 294.863865][ T6832] gfs2_sys_fs_add+0x257/0x480
[ 294.863888][ T6832] ? is_dynamic_key+0xa5/0x1c0
[ 294.863915][ T6832] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 294.863941][ T6832] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 294.863974][ T6832] gfs2_fill_super+0x1368/0x20f0
[ 294.864007][ T6832] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.864038][ T6832] ? sb_set_blocksize+0x11b/0x210
[ 294.864065][ T6832] ? setup_bdev_super+0x4c1/0x5b0
[ 294.864095][ T6832] get_tree_bdev_flags+0x430/0x4f0
[ 294.864124][ T6832] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.864152][ T6832] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 294.864184][ T6832] gfs2_get_tree+0x51/0x1e0
[ 294.864214][ T6832] vfs_get_tree+0x92/0x2a0
[ 294.864244][ T6832] do_new_mount+0x319/0xdc0
[ 294.864280][ T6832] ? __pfx_do_new_mount+0x10/0x10
[ 294.864304][ T6832] ? ns_capable+0x89/0xe0
[ 294.864325][ T6832] ? path_mount+0x647/0x1040
[ 294.864348][ T6832] ? user_path_at+0xd4/0x160
[ 294.864375][ T6832] __se_sys_mount+0x31d/0x420
[ 294.864401][ T6832] ? __pfx___se_sys_mount+0x10/0x10
[ 294.864426][ T6832] ? rcu_is_watching+0x15/0xb0
[ 294.864445][ T6832] ? __x64_sys_mount+0x20/0xc0
[ 294.864466][ T6832] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.864489][ T6832] do_syscall_64+0x174/0x580
[ 294.864517][ T6832] ? trace_irq_disable+0x3b/0x140
[ 294.864546][ T6832] ? clear_bhb_loop+0x40/0x90
[ 294.864569][ T6832] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.864590][ T6832] RIP: 0033:0x7f32177de0ca
[ 294.864608][ T6832] 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
[ 294.864627][ T6832] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.864651][ T6832] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 294.864667][ T6832] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 294.864682][ T6832] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 294.864696][ T6832] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 294.864711][ T6832] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 294.864733][ T6832]
[ 294.864802][ T6832] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.864821][ T6832] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.475782][ T6837] loop1: detected capacity change from 0 to 32768
[ 295.485237][ T6837] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.485260][ T6837] CPU: 1 UID: 0 PID: 6837 Comm: syz.1.356 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 295.485284][ T6837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 295.485296][ T6837] Call Trace:
[ 295.485303][ T6837]
[ 295.485312][ T6837] dump_stack_lvl+0xe8/0x150
[ 295.485343][ T6837] sysfs_create_dir_ns+0x271/0x2a0
[ 295.485363][ T6837] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 295.485380][ T6837] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 295.485393][ T6837] ? rt_spin_unlock+0x160/0x200
[ 295.485407][ T6837] kobject_add_internal+0x62c/0xce0
[ 295.485423][ T6837] kobject_init_and_add+0x12b/0x1a0
[ 295.485436][ T6837] ? rcu_is_watching+0x15/0xb0
[ 295.485448][ T6837] ? __pfx_kobject_init_and_add+0x10/0x10
[ 295.485461][ T6837] ? __raw_spin_lock_init+0x45/0x100
[ 295.485477][ T6837] ? __init_swait_queue_head+0xa8/0x150
[ 295.485491][ T6837] gfs2_sys_fs_add+0x257/0x480
[ 295.485504][ T6837] ? is_dynamic_key+0xa5/0x1c0
[ 295.485520][ T6837] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 295.485534][ T6837] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 295.485552][ T6837] gfs2_fill_super+0x1368/0x20f0
[ 295.485571][ T6837] ? __pfx_gfs2_fill_super+0x10/0x10
[ 295.485589][ T6837] ? sb_set_blocksize+0x11b/0x210
[ 295.485602][ T6837] ? setup_bdev_super+0x4c1/0x5b0
[ 295.485619][ T6837] get_tree_bdev_flags+0x430/0x4f0
[ 295.485636][ T6837] ? __pfx_gfs2_fill_super+0x10/0x10
[ 295.485652][ T6837] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 295.485671][ T6837] gfs2_get_tree+0x51/0x1e0
[ 295.485688][ T6837] vfs_get_tree+0x92/0x2a0
[ 295.485704][ T6837] do_new_mount+0x319/0xdc0
[ 295.485718][ T6837] ? __pfx_do_new_mount+0x10/0x10
[ 295.485739][ T6837] ? ns_capable+0x89/0xe0
[ 295.485751][ T6837] ? path_mount+0x647/0x1040
[ 295.485764][ T6837] ? user_path_at+0xd4/0x160
[ 295.485779][ T6837] __se_sys_mount+0x31d/0x420
[ 295.485797][ T6837] ? __pfx___se_sys_mount+0x10/0x10
[ 295.485811][ T6837] ? rcu_is_watching+0x15/0xb0
[ 295.485822][ T6837] ? __x64_sys_mount+0x20/0xc0
[ 295.485834][ T6837] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.485847][ T6837] do_syscall_64+0x174/0x580
[ 295.485865][ T6837] ? trace_irq_disable+0x3b/0x140
[ 295.485881][ T6837] ? clear_bhb_loop+0x40/0x90
[ 295.485894][ T6837] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.485906][ T6837] RIP: 0033:0x7f32177de0ca
[ 295.485918][ T6837] 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
[ 295.485929][ T6837] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.485944][ T6837] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 295.485953][ T6837] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 295.485961][ T6837] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 295.485970][ T6837] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 295.485978][ T6837] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 295.485990][ T6837]
[ 295.486010][ T6837] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.486020][ T6837] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/06/17 04:17:30 executed programs: 343
[ 296.102275][ T6841] loop1: detected capacity change from 0 to 32768
[ 296.107053][ T6841] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.107078][ T6841] CPU: 1 UID: 0 PID: 6841 Comm: syz.1.358 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 296.107104][ T6841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 296.107119][ T6841] Call Trace:
[ 296.107127][ T6841]
[ 296.107137][ T6841] dump_stack_lvl+0xe8/0x150
[ 296.107171][ T6841] sysfs_create_dir_ns+0x271/0x2a0
[ 296.107208][ T6841] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 296.107235][ T6841] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 296.107259][ T6841] ? rt_spin_unlock+0x160/0x200
[ 296.107285][ T6841] kobject_add_internal+0x62c/0xce0
[ 296.107313][ T6841] kobject_init_and_add+0x12b/0x1a0
[ 296.107336][ T6841] ? rcu_is_watching+0x15/0xb0
[ 296.107359][ T6841] ? __pfx_kobject_init_and_add+0x10/0x10
[ 296.107382][ T6841] ? __raw_spin_lock_init+0x45/0x100
[ 296.107408][ T6841] ? __init_swait_queue_head+0xa8/0x150
[ 296.107433][ T6841] gfs2_sys_fs_add+0x257/0x480
[ 296.107456][ T6841] ? is_dynamic_key+0xa5/0x1c0
[ 296.107482][ T6841] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 296.107508][ T6841] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 296.107540][ T6841] gfs2_fill_super+0x1368/0x20f0
[ 296.107573][ T6841] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.107604][ T6841] ? sb_set_blocksize+0x11b/0x210
[ 296.107626][ T6841] ? setup_bdev_super+0x4c1/0x5b0
[ 296.107655][ T6841] get_tree_bdev_flags+0x430/0x4f0
[ 296.107683][ T6841] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.107712][ T6841] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 296.107745][ T6841] gfs2_get_tree+0x51/0x1e0
[ 296.107776][ T6841] vfs_get_tree+0x92/0x2a0
[ 296.107806][ T6841] do_new_mount+0x319/0xdc0
[ 296.107831][ T6841] ? __pfx_do_new_mount+0x10/0x10
[ 296.107854][ T6841] ? ns_capable+0x89/0xe0
[ 296.107875][ T6841] ? path_mount+0x647/0x1040
[ 296.107898][ T6841] ? user_path_at+0xd4/0x160
[ 296.107923][ T6841] __se_sys_mount+0x31d/0x420
[ 296.107948][ T6841] ? __pfx___se_sys_mount+0x10/0x10
[ 296.107973][ T6841] ? rcu_is_watching+0x15/0xb0
[ 296.107991][ T6841] ? __x64_sys_mount+0x20/0xc0
[ 296.108013][ T6841] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.108035][ T6841] do_syscall_64+0x174/0x580
[ 296.108067][ T6841] ? trace_irq_disable+0x3b/0x140
[ 296.108094][ T6841] ? clear_bhb_loop+0x40/0x90
[ 296.108118][ T6841] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.108139][ T6841] RIP: 0033:0x7f32177de0ca
[ 296.108158][ T6841] 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
[ 296.108186][ T6841] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.108211][ T6841] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 296.108228][ T6841] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 296.108243][ T6841] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 296.108258][ T6841] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 296.108272][ T6841] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 296.108295][ T6841]
[ 296.183045][ T6841] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.183071][ T6841] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.526439][ T6844] loop1: detected capacity change from 0 to 32768
[ 296.555328][ T6844] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.555354][ T6844] CPU: 0 UID: 0 PID: 6844 Comm: syz.1.359 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 296.555381][ T6844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 296.555394][ T6844] Call Trace:
[ 296.555402][ T6844]
[ 296.555411][ T6844] dump_stack_lvl+0xe8/0x150
[ 296.555446][ T6844] sysfs_create_dir_ns+0x271/0x2a0
[ 296.555468][ T6844] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 296.555495][ T6844] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 296.555519][ T6844] ? rt_spin_unlock+0x160/0x200
[ 296.555545][ T6844] kobject_add_internal+0x62c/0xce0
[ 296.555572][ T6844] kobject_init_and_add+0x12b/0x1a0
[ 296.555594][ T6844] ? rcu_is_watching+0x15/0xb0
[ 296.555616][ T6844] ? __pfx_kobject_init_and_add+0x10/0x10
[ 296.555639][ T6844] ? __raw_spin_lock_init+0x45/0x100
[ 296.555664][ T6844] ? __init_swait_queue_head+0xa8/0x150
[ 296.555690][ T6844] gfs2_sys_fs_add+0x257/0x480
[ 296.555713][ T6844] ? is_dynamic_key+0xa5/0x1c0
[ 296.555739][ T6844] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 296.555765][ T6844] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 296.555797][ T6844] gfs2_fill_super+0x1368/0x20f0
[ 296.555831][ T6844] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.555863][ T6844] ? sb_set_blocksize+0x11b/0x210
[ 296.555886][ T6844] ? setup_bdev_super+0x4c1/0x5b0
[ 296.555917][ T6844] get_tree_bdev_flags+0x430/0x4f0
[ 296.555946][ T6844] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.555975][ T6844] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 296.556009][ T6844] gfs2_get_tree+0x51/0x1e0
[ 296.556039][ T6844] vfs_get_tree+0x92/0x2a0
[ 296.556067][ T6844] do_new_mount+0x319/0xdc0
[ 296.556091][ T6844] ? __pfx_do_new_mount+0x10/0x10
[ 296.556114][ T6844] ? ns_capable+0x89/0xe0
[ 296.556134][ T6844] ? path_mount+0x647/0x1040
[ 296.556167][ T6844] ? user_path_at+0xd4/0x160
[ 296.556193][ T6844] __se_sys_mount+0x31d/0x420
[ 296.556220][ T6844] ? __pfx___se_sys_mount+0x10/0x10
[ 296.556246][ T6844] ? rcu_is_watching+0x15/0xb0
[ 296.556265][ T6844] ? __x64_sys_mount+0x20/0xc0
[ 296.556288][ T6844] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.556310][ T6844] do_syscall_64+0x174/0x580
[ 296.556340][ T6844] ? trace_irq_disable+0x3b/0x140
[ 296.556369][ T6844] ? clear_bhb_loop+0x40/0x90
[ 296.556394][ T6844] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.556415][ T6844] RIP: 0033:0x7f32177de0ca
[ 296.556433][ T6844] 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
[ 296.556452][ T6844] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.556476][ T6844] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 296.556492][ T6844] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 296.556508][ T6844] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 296.556523][ T6844] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 296.556537][ T6844] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 296.556560][ T6844]
[ 296.556580][ T6844] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.556597][ T6844] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.159550][ T6848] loop1: detected capacity change from 0 to 32768
[ 297.164955][ T6848] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.164981][ T6848] CPU: 1 UID: 0 PID: 6848 Comm: syz.1.361 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 297.165007][ T6848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 297.165021][ T6848] Call Trace:
[ 297.165029][ T6848]
[ 297.165038][ T6848] dump_stack_lvl+0xe8/0x150
[ 297.165071][ T6848] sysfs_create_dir_ns+0x271/0x2a0
[ 297.165094][ T6848] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 297.165121][ T6848] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 297.165146][ T6848] ? rt_spin_unlock+0x160/0x200
[ 297.165169][ T6848] kobject_add_internal+0x62c/0xce0
[ 297.165196][ T6848] kobject_init_and_add+0x12b/0x1a0
[ 297.165219][ T6848] ? rcu_is_watching+0x15/0xb0
[ 297.165241][ T6848] ? __pfx_kobject_init_and_add+0x10/0x10
[ 297.165276][ T6848] ? __raw_spin_lock_init+0x45/0x100
[ 297.165303][ T6848] ? __init_swait_queue_head+0xa8/0x150
[ 297.165329][ T6848] gfs2_sys_fs_add+0x257/0x480
[ 297.165353][ T6848] ? is_dynamic_key+0xa5/0x1c0
[ 297.165381][ T6848] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 297.165407][ T6848] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 297.165440][ T6848] gfs2_fill_super+0x1368/0x20f0
[ 297.165478][ T6848] ? __pfx_gfs2_fill_super+0x10/0x10
[ 297.165509][ T6848] ? sb_set_blocksize+0x11b/0x210
[ 297.165531][ T6848] ? setup_bdev_super+0x4c1/0x5b0
[ 297.165561][ T6848] get_tree_bdev_flags+0x430/0x4f0
[ 297.165589][ T6848] ? __pfx_gfs2_fill_super+0x10/0x10
[ 297.165618][ T6848] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 297.165651][ T6848] gfs2_get_tree+0x51/0x1e0
[ 297.165682][ T6848] vfs_get_tree+0x92/0x2a0
[ 297.165712][ T6848] do_new_mount+0x319/0xdc0
[ 297.165737][ T6848] ? __pfx_do_new_mount+0x10/0x10
[ 297.165760][ T6848] ? ns_capable+0x89/0xe0
[ 297.165780][ T6848] ? path_mount+0x647/0x1040
[ 297.165802][ T6848] ? user_path_at+0xd4/0x160
[ 297.165827][ T6848] __se_sys_mount+0x31d/0x420
[ 297.165854][ T6848] ? __pfx___se_sys_mount+0x10/0x10
[ 297.165879][ T6848] ? rcu_is_watching+0x15/0xb0
[ 297.165898][ T6848] ? __x64_sys_mount+0x20/0xc0
[ 297.165921][ T6848] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.165943][ T6848] do_syscall_64+0x174/0x580
[ 297.165973][ T6848] ? trace_irq_disable+0x3b/0x140
[ 297.166000][ T6848] ? clear_bhb_loop+0x40/0x90
[ 297.166023][ T6848] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.166044][ T6848] RIP: 0033:0x7f32177de0ca
[ 297.166063][ T6848] 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
[ 297.166081][ T6848] RSP: 002b:00007ffcf03cdfd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.166105][ T6848] RAX: ffffffffffffffda RBX: 00007ffcf03ce060 RCX: 00007f32177de0ca
[ 297.166121][ T6848] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007ffcf03ce020
[ 297.166137][ T6848] RBP: 000020000001f680 R08: 00007ffcf03ce060 R09: 0000000000000000
[ 297.166152][ T6848] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 297.166166][ T6848] R13: 00007ffcf03ce020 R14: 000000000001f7dd R15: 0000200000000380
[ 297.166188][ T6848]
[ 297.166219][ T6848] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.166236][ T6848] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.568128][ T39] INFO: task kworker/0:2:1246 blocked in I/O wait for more than 143 seconds.
[ 297.568158][ T39] Not tainted syzkaller #0
[ 297.568170][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 297.568181][ T39] task:kworker/0:2 state:D stack:22504 pid:1246 tgid:1246 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 297.568250][ T39] Workqueue: gfs2_recovery gfs2_recover_func
[ 297.568284][ T39] Call Trace:
[ 297.568293][ T39]
[ 297.568304][ T39] __schedule+0x1709/0x5530
[ 297.568346][ T39] ? __pfx___schedule+0x10/0x10
[ 297.568385][ T39] ? rcu_is_watching+0x15/0xb0
[ 297.568408][ T39] ? schedule+0x90/0x360
[ 297.568434][ T39] ? wq_worker_sleeping+0x66/0x250
[ 297.568459][ T39] schedule+0x164/0x360
[ 297.568487][ T39] io_schedule+0x7f/0xd0
[ 297.568517][ T39] folio_wait_bit_common+0x83c/0xbc0
[ 297.568548][ T39] ? __pfx_folio_wait_bit_common+0x10/0x10
[ 297.568572][ T39] ? __pfx_wake_page_function+0x10/0x10
[ 297.568602][ T39] gfs2_jhead_process_page+0x17f/0x670
[ 297.568624][ T39] ? pfn_valid+0x440/0x4c0
[ 297.568671][ T39] ? __pfx_gfs2_jhead_process_page+0x10/0x10
[ 297.568700][ T39] gfs2_find_jhead+0xbe0/0xd20
[ 297.568731][ T39] gfs2_recover_func+0x6bd/0x1f00
[ 297.568767][ T39] ? cpuacct_charge+0x112/0x320
[ 297.568791][ T39] ? __pfx_gfs2_recover_func+0x10/0x10
[ 297.568817][ T39] ? do_raw_spin_lock+0x12b/0x2f0
[ 297.568844][ T39] ? rcu_is_watching+0x15/0xb0
[ 297.568865][ T39] ? rcu_is_watching+0x15/0xb0
[ 297.568887][ T39] ? trace_hrtimer_start+0x82/0x200
[ 297.568915][ T39] ? hrtimer_start_range_ns_common+0x841/0xb90
[ 297.568941][ T39] ? rcu_is_watching+0x15/0xb0
[ 297.568964][ T39] ? do_raw_spin_lock+0x12b/0x2f0
[ 297.568992][ T39] ? rcu_is_watching+0x15/0xb0
[ 297.569017][ T39] ? process_one_work+0x8cd/0x12b0
[ 297.569050][ T39] ? rcu_is_watching+0x15/0xb0
[ 297.569069][ T39] ? process_one_work+0x8cd/0x12b0
[ 297.569103][ T39] ? process_one_work+0x8cd/0x12b0
[ 297.569135][ T39] process_one_work+0x93a/0x12b0
[ 297.569175][ T39] ? __pfx_process_one_work+0x10/0x10
[ 297.569207][ T39] ? do_raw_spin_lock+0x12b/0x2f0
[ 297.569236][ T39] ? assign_work+0x3cf/0x5d0
[ 297.569270][ T39] worker_thread+0xb05/0x10d0
[ 297.569301][ T39] kthread+0x388/0x470
[ 297.569328][ T39] ? __pfx_worker_thread+0x10/0x10
[ 297.569348][ T39] ? __pfx_kthread+0x10/0x10
[ 297.569383][ T39] ret_from_fork+0x514/0xb70
[ 297.569411][ T39] ? __pfx_ret_from_fork+0x10/0x10
[ 297.569438][ T39] ? __switch_to+0xc89/0x1420
[ 297.569461][ T39] ? __pfx_kthread+0x10/0x10
[ 297.570939][ T39] ret_from_fork_asm+0x1a/0x30
[ 297.570982][ T39]
[ 297.571058][ T39] INFO: task syz.0.17:5865 blocked for more than 143 seconds.
[ 297.571075][ T39] Not tainted syzkaller #0
[ 297.571087][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 297.571097][ T39] task:syz.0.17 state:D stack:24984 pid:5865 tgid:5865 ppid:5764 task_flags:0x400140 flags:0x00080002
[ 297.571165][ T39] Call Trace:
[ 297.571173][ T39]
[ 297.571183][ T39] __schedule+0x1709/0x5530
[ 297.571223][ T39] ? trace_irq_enable+0x3b/0x140
[ 297.571251][ T39] ? __pfx___schedule+0x10/0x10
[ 297.571281][ T39] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 297.571311][ T39] schedule+0x164/0x360
[ 297.571340][ T39] bit_wait+0x11/0xd0
[ 297.571379][ T39] __wait_on_bit+0xac/0x2f0
[ 297.571409][ T39] ? __pfx_bit_wait+0x10/0x10
[ 297.571441][ T39] out_of_line_wait_on_bit+0x13b/0x190
[ 297.571473][ T39] ? __pfx_bit_wait+0x10/0x10
[ 297.571503][ T39] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 297.571537][ T39] ? __pfx_wake_bit_function+0x10/0x10
[ 297.571567][ T39] gfs2_recover_journal+0xda/0x140
[ 297.571599][ T39] init_journal+0x1af4/0x2330
[ 297.571635][ T39] ? init_inodes+0xdb/0x320
[ 297.571668][ T39] ? __pfx_init_journal+0x10/0x10
[ 297.571705][ T39] ? snprintf+0xe8/0x140
[ 297.571731][ T39] ? init_inodes+0xdb/0x320
[ 297.571761][ T39] ? __pfx_snprintf+0x10/0x10
[ 297.571788][ T39] ? gfs2_glock_nq_num+0x13d/0x170
[ 297.571823][ T39] init_inodes+0xdb/0x320
[ 297.571853][ T39] gfs2_fill_super+0x1982/0x20f0
[ 297.571888][ T39] ? __pfx_gfs2_fill_super+0x10/0x10
[ 297.571920][ T39] ? init_locking+0xb8/0x210
[ 297.571949][ T39] ? sb_set_blocksize+0x11b/0x210
[ 297.571971][ T39] ? setup_bdev_super+0x4c1/0x5b0
[ 297.573747][ T39] get_tree_bdev_flags+0x430/0x4f0
[ 297.573785][ T39] ? __pfx_gfs2_fill_super+0x10/0x10
[ 297.573817][ T39] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 297.573852][ T39] gfs2_get_tree+0x51/0x1e0
[ 297.573883][ T39] vfs_get_tree+0x92/0x2a0
[ 297.573914][ T39] do_new_mount+0x319/0xdc0
[ 297.573940][ T39] ? __pfx_do_new_mount+0x10/0x10
[ 297.573963][ T39] ? ns_capable+0x89/0xe0
[ 297.573985][ T39] ? path_mount+0x647/0x1040
[ 297.574010][ T39] ? user_path_at+0xd4/0x160
[ 297.574037][ T39] __se_sys_mount+0x31d/0x420
[ 297.574083][ T39] ? __pfx___se_sys_mount+0x10/0x10
[ 297.574110][ T39] ? rcu_is_watching+0x15/0xb0
[ 297.574132][ T39] ? __x64_sys_mount+0x20/0xc0
[ 297.574155][ T39] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.574179][ T39] do_syscall_64+0x174/0x580
[ 297.574210][ T39] ? trace_irq_disable+0x3b/0x140
[ 297.574240][ T39] ? clear_bhb_loop+0x40/0x90
[ 297.574265][ T39] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.574288][ T39] RIP: 0033:0x7f05defce0ca
[ 297.574307][ T39] RSP: 002b:00007fffa5a189b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.574331][ T39] RAX: ffffffffffffffda RBX: 00007fffa5a18a40 RCX: 00007f05defce0ca
[ 297.574348][ T39] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fffa5a18a00
[ 297.574373][ T39] RBP: 000020000001f680 R08: 00007fffa5a18a40 R09: 0000000000000000
[ 297.574389][ T39] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
[ 297.574404][ T39] R13: 00007fffa5a18a00 R14: 000000000001f7dd R15: 0000200000000380
[ 297.574428][ T39]
[ 297.574445][ T39] INFO: lockdep is turned off.
[ 297.574454][ T39] NMI backtrace for cpu 1
[ 297.574470][ T39] CPU: 1 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 297.574495][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 297.574508][ T39] Call Trace:
[ 297.574516][ T39]
[ 297.574524][ T39] dump_stack_lvl+0xe8/0x150
[ 297.574553][ T39] nmi_cpu_backtrace+0x274/0x2d0
[ 297.574579][ T39] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 297.574607][ T39] nmi_trigger_cpumask_backtrace+0x17a/0x380
[ 297.574636][ T39] sys_info+0x135/0x170
[ 297.574658][ T39] watchdog+0xfd7/0x1030
[ 297.574689][ T39] ? watchdog+0x1c7/0x1030
[ 297.574718][ T39] kthread+0x388/0x470
[ 297.574744][ T39] ? __pfx_watchdog+0x10/0x10
[ 297.574771][ T39] ? __pfx_kthread+0x10/0x10
[ 297.574797][ T39] ret_from_fork+0x514/0xb70
[ 297.574826][ T39] ? __pfx_ret_from_fork+0x10/0x10
[ 297.574854][ T39] ? __switch_to+0xc89/0x1420
[ 297.574877][ T39] ? __pfx_kthread+0x10/0x10
[ 297.574903][ T39] ret_from_fork_asm+0x1a/0x30
[ 297.574940][ T39]
[ 297.574948][ T39] Sending NMI from CPU 1 to CPUs 0:
[ 297.574977][ C0] NMI backtrace for cpu 0
[ 297.574993][ C0] CPU: 0 UID: 0 PID: 6851 Comm: syz.1.362 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 297.575013][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 297.575024][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0xa0
[ 297.575049][ C0] Code: 00 48 89 7c 0a 10 48 89 74 0a 18 48 89 44 0a 20 c3 cc cc cc cc cc 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 04 24 65 48 8b 0d 38 b3 af 10 65 44 8b 05 58 b3
[ 297.575064][ C0] RSP: 0018:ffffc90004ab76d8 EFLAGS: 00000246
[ 297.575080][ C0] RAX: 1ffff92000956f0c RBX: 0000000000000000 RCX: ffff888029db5d00
[ 297.575094][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 297.575106][ C0] RBP: ffffc90004ab7a70 R08: 0000000000000000 R09: 0000000000000000
[ 297.575118][ C0] R10: dffffc0000000000 R11: fffff940002f3381 R12: dffffc0000000000
[ 297.575131][ C0] R13: ffffea0001799c40 R14: ffffc90004ab7998 R15: 000000000000001b
[ 297.575144][ C0] FS: 000055556999e500(0000) GS:ffff888125ed3000(0000) knlGS:0000000000000000
[ 297.575160][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 297.575173][ C0] CR2: 00007f9450241000 CR3: 0000000024fc0000 CR4: 00000000003526f0
[ 297.575190][ C0] Call Trace:
[ 297.575197][ C0]
[ 297.575204][ C0] shmem_undo_range+0x34e/0x15d0
[ 297.575227][ C0] ? __pfx_shmem_undo_range+0x10/0x10
[ 297.575251][ C0] ? rcu_is_watching+0x15/0xb0
[ 297.575268][ C0] ? rtlock_slowlock_locked+0xfb/0x3c20
[ 297.575297][ C0] ? try_to_take_rt_mutex+0x842/0xb00
[ 297.575319][ C0] ? do_raw_spin_lock+0x12b/0x2f0
[ 297.575341][ C0] ? rcu_is_watching+0x15/0xb0
[ 297.575358][ C0] shmem_evict_inode+0x280/0xa80
[ 297.575380][ C0] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 297.575404][ C0] ? rt_mutex_slowunlock+0x4ee/0xa20
[ 297.575423][ C0] ? __pfx_shmem_evict_inode+0x10/0x10
[ 297.575443][ C0] ? rcu_is_watching+0x15/0xb0
[ 297.575459][ C0] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 297.575477][ C0] ? lock_release+0x4b/0x3c0
[ 297.575502][ C0] ? rt_spin_unlock+0x160/0x200
[ 297.575520][ C0] ? __pfx_shmem_evict_inode+0x10/0x10
[ 297.575539][ C0] evict+0x624/0xb50
[ 297.575566][ C0] ? __pfx_evict+0x10/0x10
[ 297.575589][ C0] ? rt_spin_unlock+0x160/0x200
[ 297.575608][ C0] ? iput+0xb84/0xf00
[ 297.575628][ C0] dentry_kill+0x1b9/0x880
[ 297.575653][ C0] finish_dput+0x1a/0x260
[ 297.575672][ C0] __fput+0x699/0xa80
[ 297.575692][ C0] fput_close_sync+0x11f/0x240
[ 297.575712][ C0] ? __pfx_fput_close_sync+0x10/0x10
[ 297.575732][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.575750][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.575767][ C0] __x64_sys_close+0x7e/0x110
[ 297.575787][ C0] do_syscall_64+0x174/0x580
[ 297.575810][ C0] ? trace_irq_disable+0x3b/0x140
[ 297.575832][ C0] ? clear_bhb_loop+0x40/0x90
[ 297.575851][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.575876][ C0] RIP: 0033:0x7f321779d68e
[ 297.575891][ C0] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[ 297.575906][ C0] RSP: 002b:00007ffcf03cdf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 297.575923][ C0] RAX: ffffffffffffffda RBX: 000055556999e500 RCX: 00007f321779d68e
[ 297.575936][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
[ 297.575947][ C0] RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000000
[ 297.575958][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[ 297.575970][ C0] R13: 00007ffcf03ce060 R14: 000055556999e4e8 R15: 00007f320ea37000
[ 297.575989][ C0]
[ 297.576976][ T39] Kernel panic - not syncing: hung_task: blocked tasks
[ 297.576993][ T39] CPU: 1 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 297.577018][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[ 297.577031][ T39] Call Trace:
[ 297.577039][ T39]
[ 297.577048][ T39] vpanic+0x56c/0xa60
[ 297.577081][ T39] ? __pfx_vpanic+0x10/0x10
[ 297.577115][ T39] panic+0xc5/0xd0
[ 297.577143][ T39] ? __pfx_panic+0x10/0x10
[ 297.577174][ T39] ? wq_watchdog_touch+0xf9/0x160
[ 297.577208][ T39] ? nmi_trigger_cpumask_backtrace+0x247/0x380
[ 297.577243][ T39] watchdog+0x1030/0x1030
[ 297.577273][ T39] ? watchdog+0x1c7/0x1030
[ 297.577302][ T39] kthread+0x388/0x470
[ 297.577326][ T39] ? __pfx_watchdog+0x10/0x10
[ 297.577353][ T39] ? __pfx_kthread+0x10/0x10
[ 297.577388][ T39] ret_from_fork+0x514/0xb70
[ 297.577416][ T39] ? __pfx_ret_from_fork+0x10/0x10
[ 297.577443][ T39] ? __switch_to+0xc89/0x1420
[ 297.577467][ T39] ? __pfx_kthread+0x10/0x10
[ 297.577494][ T39] ret_from_fork_asm+0x1a/0x30
[ 297.577532][ T39]
[ 297.577675][ T39] Kernel Offset: disabled