4][ T7369] ? rt_spin_unlock+0x160/0x200
[ 284.974028][ T7369] kobject_add_internal+0x631/0xd10
[ 284.974056][ T7369] kobject_init_and_add+0x12b/0x1a0
[ 284.974079][ T7369] ? __pfx_kobject_init_and_add+0x10/0x10
[ 284.974101][ T7369] ? __raw_spin_lock_init+0x45/0x100
[ 284.974126][ T7369] ? __init_swait_queue_head+0xa9/0x150
[ 284.974160][ T7369] gfs2_sys_fs_add+0x257/0x480
[ 284.974185][ T7369] ? is_dynamic_key+0x1ac/0x1c0
[ 284.974209][ T7369] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 284.974240][ T7369] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 284.974278][ T7369] gfs2_fill_super+0x141c/0x2220
[ 284.974311][ T7369] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.974328][ T7369] ? rt_spin_unlock+0x14f/0x200
[ 284.974354][ T7369] ? sb_set_blocksize+0x11b/0x210
[ 284.974376][ T7369] ? setup_bdev_super+0x4c1/0x5b0
[ 284.974406][ T7369] get_tree_bdev_flags+0x431/0x4f0
[ 284.974434][ T7369] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.974453][ T7369] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 284.974477][ T7369] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 284.974515][ T7369] gfs2_get_tree+0x51/0x1e0
[ 284.974538][ T7369] vfs_get_tree+0x92/0x2a0
[ 284.974567][ T7369] do_new_mount+0x341/0xd30
[ 284.974588][ T7369] ? apparmor_capable+0x126/0x170
[ 284.974615][ T7369] ? __pfx_do_new_mount+0x10/0x10
[ 284.974637][ T7369] ? ns_capable+0x89/0xe0
[ 284.974660][ T7369] ? user_path_at+0xd4/0x160
[ 284.974688][ T7369] ? user_path_at+0xd4/0x160
[ 284.974715][ T7369] __se_sys_mount+0x31d/0x420
[ 284.974744][ T7369] ? __pfx___se_sys_mount+0x10/0x10
[ 284.974772][ T7369] ? __x64_sys_mount+0x20/0xc0
[ 284.974794][ T7369] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.974814][ T7369] do_syscall_64+0x15f/0xf80
[ 284.974840][ T7369] ? trace_irq_disable+0x3b/0x140
[ 284.974862][ T7369] ? clear_bhb_loop+0x40/0x90
[ 284.974887][ T7369] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.974906][ T7369] RIP: 0033:0x7f98b69db60a
[ 284.974925][ T7369] 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
[ 284.974942][ T7369] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.974965][ T7369] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 284.974980][ T7369] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 284.974994][ T7369] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 284.975008][ T7369] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 284.975021][ T7369] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 284.975056][ T7369]
[ 284.976294][ T7369] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.976324][ T7369] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.529057][ T7373] loop1: detected capacity change from 0 to 32768
[ 285.541012][ T7373] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.541049][ T7373] CPU: 0 UID: 0 PID: 7373 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 285.541071][ T7373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 285.541083][ T7373] Call Trace:
[ 285.541091][ T7373]
[ 285.541100][ T7373] dump_stack_lvl+0xe8/0x150
[ 285.541130][ T7373] sysfs_create_dir_ns+0x271/0x2a0
[ 285.541153][ T7373] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 285.541177][ T7373] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 285.541204][ T7373] ? rt_spin_unlock+0x160/0x200
[ 285.541227][ T7373] kobject_add_internal+0x631/0xd10
[ 285.541263][ T7373] kobject_init_and_add+0x12b/0x1a0
[ 285.541286][ T7373] ? __pfx_kobject_init_and_add+0x10/0x10
[ 285.541307][ T7373] ? __raw_spin_lock_init+0x45/0x100
[ 285.541330][ T7373] ? __init_swait_queue_head+0xa9/0x150
[ 285.541355][ T7373] gfs2_sys_fs_add+0x257/0x480
[ 285.541378][ T7373] ? is_dynamic_key+0x1ac/0x1c0
[ 285.541401][ T7373] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 285.541434][ T7373] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 285.541468][ T7373] gfs2_fill_super+0x141c/0x2220
[ 285.541503][ T7373] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.541520][ T7373] ? rt_spin_unlock+0x14f/0x200
[ 285.541546][ T7373] ? sb_set_blocksize+0x11b/0x210
[ 285.541568][ T7373] ? setup_bdev_super+0x4c1/0x5b0
[ 285.541599][ T7373] get_tree_bdev_flags+0x431/0x4f0
[ 285.541628][ T7373] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.541648][ T7373] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 285.541674][ T7373] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 285.541711][ T7373] gfs2_get_tree+0x51/0x1e0
[ 285.541734][ T7373] vfs_get_tree+0x92/0x2a0
[ 285.541764][ T7373] do_new_mount+0x341/0xd30
[ 285.541786][ T7373] ? apparmor_capable+0x126/0x170
[ 285.541811][ T7373] ? __pfx_do_new_mount+0x10/0x10
[ 285.541834][ T7373] ? ns_capable+0x89/0xe0
[ 285.541857][ T7373] ? user_path_at+0xd4/0x160
[ 285.541885][ T7373] ? user_path_at+0xd4/0x160
[ 285.541911][ T7373] __se_sys_mount+0x31d/0x420
[ 285.541941][ T7373] ? __pfx___se_sys_mount+0x10/0x10
[ 285.541970][ T7373] ? __x64_sys_mount+0x20/0xc0
[ 285.541991][ T7373] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.542013][ T7373] do_syscall_64+0x15f/0xf80
[ 285.542046][ T7373] ? trace_irq_disable+0x3b/0x140
[ 285.542067][ T7373] ? clear_bhb_loop+0x40/0x90
[ 285.542092][ T7373] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.542111][ T7373] RIP: 0033:0x7f98b69db60a
[ 285.542131][ T7373] 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
[ 285.542146][ T7373] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.542174][ T7373] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 285.542189][ T7373] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 285.542204][ T7373] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 285.542221][ T7373] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 285.542235][ T7373] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 285.542266][ T7373]
[ 285.542962][ T7373] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.542979][ T7373] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.094766][ T7377] loop1: detected capacity change from 0 to 32768
[ 286.101805][ T7377] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.101828][ T7377] CPU: 0 UID: 0 PID: 7377 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 286.101849][ T7377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.101861][ T7377] Call Trace:
[ 286.101869][ T7377]
[ 286.101877][ T7377] dump_stack_lvl+0xe8/0x150
[ 286.101905][ T7377] sysfs_create_dir_ns+0x271/0x2a0
[ 286.101930][ T7377] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 286.101956][ T7377] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 286.101983][ T7377] ? rt_spin_unlock+0x160/0x200
[ 286.102007][ T7377] kobject_add_internal+0x631/0xd10
[ 286.102036][ T7377] kobject_init_and_add+0x12b/0x1a0
[ 286.102062][ T7377] ? __pfx_kobject_init_and_add+0x10/0x10
[ 286.102084][ T7377] ? __raw_spin_lock_init+0x45/0x100
[ 286.102108][ T7377] ? __init_swait_queue_head+0xa9/0x150
[ 286.102134][ T7377] gfs2_sys_fs_add+0x257/0x480
[ 286.102157][ T7377] ? is_dynamic_key+0x1ac/0x1c0
[ 286.102183][ T7377] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 286.102216][ T7377] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 286.102260][ T7377] gfs2_fill_super+0x141c/0x2220
[ 286.102298][ T7377] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.102316][ T7377] ? rt_spin_unlock+0x14f/0x200
[ 286.102342][ T7377] ? sb_set_blocksize+0x11b/0x210
[ 286.102364][ T7377] ? setup_bdev_super+0x4c1/0x5b0
[ 286.102395][ T7377] get_tree_bdev_flags+0x431/0x4f0
[ 286.102424][ T7377] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.102445][ T7377] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 286.102469][ T7377] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 286.102507][ T7377] gfs2_get_tree+0x51/0x1e0
[ 286.102526][ T7377] vfs_get_tree+0x92/0x2a0
[ 286.102552][ T7377] do_new_mount+0x341/0xd30
[ 286.102573][ T7377] ? apparmor_capable+0x126/0x170
[ 286.102600][ T7377] ? __pfx_do_new_mount+0x10/0x10
[ 286.102623][ T7377] ? ns_capable+0x89/0xe0
[ 286.102647][ T7377] ? user_path_at+0xd4/0x160
[ 286.102678][ T7377] ? user_path_at+0xd4/0x160
[ 286.102705][ T7377] __se_sys_mount+0x31d/0x420
[ 286.102734][ T7377] ? __pfx___se_sys_mount+0x10/0x10
[ 286.102764][ T7377] ? __x64_sys_mount+0x20/0xc0
[ 286.102786][ T7377] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.102808][ T7377] do_syscall_64+0x15f/0xf80
[ 286.102834][ T7377] ? trace_irq_disable+0x3b/0x140
[ 286.102857][ T7377] ? clear_bhb_loop+0x40/0x90
[ 286.102879][ T7377] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.102897][ T7377] RIP: 0033:0x7f98b69db60a
[ 286.102914][ T7377] 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
[ 286.102930][ T7377] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.102952][ T7377] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 286.102965][ T7377] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 286.102979][ T7377] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 286.102993][ T7377] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 286.103006][ T7377] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 286.103037][ T7377]
[ 286.112016][ T7377] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.112037][ T7377] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.703382][ T7381] loop1: detected capacity change from 0 to 32768
[ 286.721220][ T7381] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.721243][ T7381] CPU: 0 UID: 0 PID: 7381 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 286.721268][ T7381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.721281][ T7381] Call Trace:
[ 286.721289][ T7381]
[ 286.721297][ T7381] dump_stack_lvl+0xe8/0x150
[ 286.721326][ T7381] sysfs_create_dir_ns+0x271/0x2a0
[ 286.721350][ T7381] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 286.721375][ T7381] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 286.721401][ T7381] ? rt_spin_unlock+0x160/0x200
[ 286.721427][ T7381] kobject_add_internal+0x631/0xd10
[ 286.721455][ T7381] kobject_init_and_add+0x12b/0x1a0
[ 286.721479][ T7381] ? __pfx_kobject_init_and_add+0x10/0x10
[ 286.721501][ T7381] ? __raw_spin_lock_init+0x45/0x100
[ 286.721524][ T7381] ? __init_swait_queue_head+0xa9/0x150
[ 286.721551][ T7381] gfs2_sys_fs_add+0x257/0x480
[ 286.721575][ T7381] ? is_dynamic_key+0x1ac/0x1c0
[ 286.721600][ T7381] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 286.721634][ T7381] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 286.721688][ T7381] gfs2_fill_super+0x141c/0x2220
[ 286.721723][ T7381] ? __pfx_gfs2_fill_super+0x10/0x10
2026/04/26 09:52:47 executed programs: 180
[ 286.721741][ T7381] ? rt_spin_unlock+0x14f/0x200
[ 286.721766][ T7381] ? sb_set_blocksize+0x11b/0x210
[ 286.721787][ T7381] ? setup_bdev_super+0x4c1/0x5b0
[ 286.721817][ T7381] get_tree_bdev_flags+0x431/0x4f0
[ 286.721846][ T7381] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.721866][ T7381] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 286.721890][ T7381] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 286.721925][ T7381] gfs2_get_tree+0x51/0x1e0
[ 286.721948][ T7381] vfs_get_tree+0x92/0x2a0
[ 286.721978][ T7381] do_new_mount+0x341/0xd30
[ 286.721999][ T7381] ? apparmor_capable+0x126/0x170
[ 286.722026][ T7381] ? __pfx_do_new_mount+0x10/0x10
[ 286.722049][ T7381] ? ns_capable+0x89/0xe0
[ 286.722076][ T7381] ? user_path_at+0xd4/0x160
[ 286.722105][ T7381] ? user_path_at+0xd4/0x160
[ 286.722133][ T7381] __se_sys_mount+0x31d/0x420
[ 286.722168][ T7381] ? __pfx___se_sys_mount+0x10/0x10
[ 286.722197][ T7381] ? __x64_sys_mount+0x20/0xc0
[ 286.722219][ T7381] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.722241][ T7381] do_syscall_64+0x15f/0xf80
[ 286.722268][ T7381] ? trace_irq_disable+0x3b/0x140
[ 286.722291][ T7381] ? clear_bhb_loop+0x40/0x90
[ 286.722315][ T7381] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.722334][ T7381] RIP: 0033:0x7f98b69db60a
[ 286.722353][ T7381] 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
[ 286.722370][ T7381] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.722392][ T7381] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 286.722407][ T7381] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 286.722421][ T7381] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 286.722435][ T7381] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 286.722449][ T7381] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 286.722480][ T7381]
[ 286.731684][ T7381] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.731705][ T7381] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.302478][ T7385] loop1: detected capacity change from 0 to 32768
[ 287.314823][ T7385] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.314845][ T7385] CPU: 0 UID: 0 PID: 7385 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 287.314875][ T7385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.314888][ T7385] Call Trace:
[ 287.314896][ T7385]
[ 287.314904][ T7385] dump_stack_lvl+0xe8/0x150
[ 287.314933][ T7385] sysfs_create_dir_ns+0x271/0x2a0
[ 287.314957][ T7385] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 287.314983][ T7385] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 287.315010][ T7385] ? rt_spin_unlock+0x160/0x200
[ 287.315034][ T7385] kobject_add_internal+0x631/0xd10
[ 287.315063][ T7385] kobject_init_and_add+0x12b/0x1a0
[ 287.315088][ T7385] ? __pfx_kobject_init_and_add+0x10/0x10
[ 287.315110][ T7385] ? __raw_spin_lock_init+0x45/0x100
[ 287.315133][ T7385] ? __init_swait_queue_head+0xa9/0x150
[ 287.315159][ T7385] gfs2_sys_fs_add+0x257/0x480
[ 287.315184][ T7385] ? is_dynamic_key+0x1ac/0x1c0
[ 287.315209][ T7385] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 287.315241][ T7385] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 287.315280][ T7385] gfs2_fill_super+0x141c/0x2220
[ 287.315314][ T7385] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.315335][ T7385] ? rt_spin_unlock+0x14f/0x200
[ 287.315361][ T7385] ? sb_set_blocksize+0x11b/0x210
[ 287.315384][ T7385] ? setup_bdev_super+0x4c1/0x5b0
[ 287.315415][ T7385] get_tree_bdev_flags+0x431/0x4f0
[ 287.315443][ T7385] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.315462][ T7385] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 287.315487][ T7385] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 287.315525][ T7385] gfs2_get_tree+0x51/0x1e0
[ 287.315548][ T7385] vfs_get_tree+0x92/0x2a0
[ 287.315577][ T7385] do_new_mount+0x341/0xd30
[ 287.315598][ T7385] ? apparmor_capable+0x126/0x170
[ 287.315624][ T7385] ? __pfx_do_new_mount+0x10/0x10
[ 287.315647][ T7385] ? ns_capable+0x89/0xe0
[ 287.315671][ T7385] ? user_path_at+0xd4/0x160
[ 287.315699][ T7385] ? user_path_at+0xd4/0x160
[ 287.315726][ T7385] __se_sys_mount+0x31d/0x420
[ 287.315755][ T7385] ? __pfx___se_sys_mount+0x10/0x10
[ 287.315784][ T7385] ? __x64_sys_mount+0x20/0xc0
[ 287.315806][ T7385] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.315827][ T7385] do_syscall_64+0x15f/0xf80
[ 287.315854][ T7385] ? trace_irq_disable+0x3b/0x140
[ 287.315883][ T7385] ? clear_bhb_loop+0x40/0x90
[ 287.315906][ T7385] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.315926][ T7385] RIP: 0033:0x7f98b69db60a
[ 287.315945][ T7385] 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
[ 287.315963][ T7385] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.315984][ T7385] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 287.316000][ T7385] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 287.316014][ T7385] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 287.316027][ T7385] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 287.316040][ T7385] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 287.316072][ T7385]
[ 287.316720][ T7385] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.316738][ T7385] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.871973][ T7389] loop1: detected capacity change from 0 to 32768
[ 287.899438][ T7389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.899462][ T7389] CPU: 0 UID: 0 PID: 7389 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 287.899483][ T7389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.899495][ T7389] Call Trace:
[ 287.899503][ T7389]
[ 287.899511][ T7389] dump_stack_lvl+0xe8/0x150
[ 287.899540][ T7389] sysfs_create_dir_ns+0x271/0x2a0
[ 287.899565][ T7389] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 287.899590][ T7389] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 287.899616][ T7389] ? rt_spin_unlock+0x160/0x200
[ 287.899640][ T7389] kobject_add_internal+0x631/0xd10
[ 287.899668][ T7389] kobject_init_and_add+0x12b/0x1a0
[ 287.899692][ T7389] ? __pfx_kobject_init_and_add+0x10/0x10
[ 287.899713][ T7389] ? __raw_spin_lock_init+0x45/0x100
[ 287.899737][ T7389] ? __init_swait_queue_head+0xa9/0x150
[ 287.899761][ T7389] gfs2_sys_fs_add+0x257/0x480
[ 287.899795][ T7389] ? is_dynamic_key+0x1ac/0x1c0
[ 287.899820][ T7389] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 287.899844][ T7389] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 287.899865][ T7389] gfs2_fill_super+0x141c/0x2220
[ 287.899884][ T7389] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.899898][ T7389] ? rt_spin_unlock+0x14f/0x200
[ 287.899912][ T7389] ? sb_set_blocksize+0x11b/0x210
[ 287.899924][ T7389] ? setup_bdev_super+0x4c1/0x5b0
[ 287.899942][ T7389] get_tree_bdev_flags+0x431/0x4f0
[ 287.899958][ T7389] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.899969][ T7389] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 287.899983][ T7389] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 287.900003][ T7389] gfs2_get_tree+0x51/0x1e0
[ 287.900015][ T7389] vfs_get_tree+0x92/0x2a0
[ 287.900036][ T7389] do_new_mount+0x341/0xd30
[ 287.900052][ T7389] ? apparmor_capable+0x126/0x170
[ 287.900067][ T7389] ? __pfx_do_new_mount+0x10/0x10
[ 287.900079][ T7389] ? ns_capable+0x89/0xe0
[ 287.900093][ T7389] ? user_path_at+0xd4/0x160
[ 287.900109][ T7389] ? user_path_at+0xd4/0x160
[ 287.900124][ T7389] __se_sys_mount+0x31d/0x420
[ 287.900140][ T7389] ? __pfx___se_sys_mount+0x10/0x10
[ 287.900155][ T7389] ? __x64_sys_mount+0x20/0xc0
[ 287.900167][ T7389] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.900179][ T7389] do_syscall_64+0x15f/0xf80
[ 287.900194][ T7389] ? trace_irq_disable+0x3b/0x140
[ 287.900207][ T7389] ? clear_bhb_loop+0x40/0x90
[ 287.900220][ T7389] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.900231][ T7389] RIP: 0033:0x7f98b69db60a
[ 287.900243][ T7389] 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
[ 287.900253][ T7389] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.900266][ T7389] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 287.900274][ T7389] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 287.900282][ T7389] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 287.900289][ T7389] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 287.900296][ T7389] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 287.900312][ T7389]
[ 287.900348][ T7389] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.900362][ T7389] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.470049][ T7393] loop1: detected capacity change from 0 to 32768
[ 288.493936][ T7393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.493959][ T7393] CPU: 0 UID: 0 PID: 7393 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 288.493980][ T7393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.493993][ T7393] Call Trace:
[ 288.494001][ T7393]
[ 288.494009][ T7393] dump_stack_lvl+0xe8/0x150
[ 288.494036][ T7393] sysfs_create_dir_ns+0x271/0x2a0
[ 288.494060][ T7393] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 288.494086][ T7393] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 288.494113][ T7393] ? rt_spin_unlock+0x160/0x200
[ 288.494137][ T7393] kobject_add_internal+0x631/0xd10
[ 288.494165][ T7393] kobject_init_and_add+0x12b/0x1a0
[ 288.494190][ T7393] ? __pfx_kobject_init_and_add+0x10/0x10
[ 288.494212][ T7393] ? __raw_spin_lock_init+0x45/0x100
[ 288.494236][ T7393] ? __init_swait_queue_head+0xa9/0x150
[ 288.494263][ T7393] gfs2_sys_fs_add+0x257/0x480
[ 288.494287][ T7393] ? is_dynamic_key+0x1ac/0x1c0
[ 288.494312][ T7393] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 288.494343][ T7393] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 288.494382][ T7393] gfs2_fill_super+0x141c/0x2220
[ 288.494417][ T7393] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.494435][ T7393] ? rt_spin_unlock+0x14f/0x200
[ 288.494461][ T7393] ? sb_set_blocksize+0x11b/0x210
[ 288.494483][ T7393] ? setup_bdev_super+0x4c1/0x5b0
[ 288.494514][ T7393] get_tree_bdev_flags+0x431/0x4f0
[ 288.494542][ T7393] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.494561][ T7393] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 288.494585][ T7393] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 288.494623][ T7393] gfs2_get_tree+0x51/0x1e0
[ 288.494647][ T7393] vfs_get_tree+0x92/0x2a0
[ 288.494675][ T7393] do_new_mount+0x341/0xd30
[ 288.494695][ T7393] ? apparmor_capable+0x126/0x170
[ 288.494721][ T7393] ? __pfx_do_new_mount+0x10/0x10
[ 288.494742][ T7393] ? ns_capable+0x89/0xe0
[ 288.494764][ T7393] ? user_path_at+0xd4/0x160
[ 288.494801][ T7393] ? user_path_at+0xd4/0x160
[ 288.494828][ T7393] __se_sys_mount+0x31d/0x420
[ 288.494856][ T7393] ? __pfx___se_sys_mount+0x10/0x10
[ 288.494885][ T7393] ? __x64_sys_mount+0x20/0xc0
[ 288.494908][ T7393] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.494929][ T7393] do_syscall_64+0x15f/0xf80
[ 288.494955][ T7393] ? trace_irq_disable+0x3b/0x140
[ 288.494980][ T7393] ? clear_bhb_loop+0x40/0x90
[ 288.495004][ T7393] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.495023][ T7393] RIP: 0033:0x7f98b69db60a
[ 288.495042][ T7393] 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
[ 288.495059][ T7393] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.495081][ T7393] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 288.495095][ T7393] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 288.495109][ T7393] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 288.495122][ T7393] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 288.495134][ T7393] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 288.495165][ T7393]
[ 288.496002][ T7393] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.496023][ T7393] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.093616][ T7397] loop1: detected capacity change from 0 to 32768
[ 289.116727][ T7397] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.116749][ T7397] CPU: 1 UID: 0 PID: 7397 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 289.116773][ T7397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.116785][ T7397] Call Trace:
[ 289.116793][ T7397]
[ 289.116802][ T7397] dump_stack_lvl+0xe8/0x150
[ 289.116831][ T7397] sysfs_create_dir_ns+0x271/0x2a0
[ 289.116855][ T7397] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 289.116880][ T7397] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 289.116906][ T7397] ? rt_spin_unlock+0x160/0x200
[ 289.116930][ T7397] kobject_add_internal+0x631/0xd10
[ 289.116965][ T7397] kobject_init_and_add+0x12b/0x1a0
[ 289.116990][ T7397] ? __pfx_kobject_init_and_add+0x10/0x10
[ 289.117011][ T7397] ? __raw_spin_lock_init+0x45/0x100
[ 289.117036][ T7397] ? __init_swait_queue_head+0xa9/0x150
[ 289.117062][ T7397] gfs2_sys_fs_add+0x257/0x480
[ 289.117079][ T7397] ? is_dynamic_key+0x1ac/0x1c0
[ 289.117093][ T7397] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 289.117110][ T7397] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 289.117132][ T7397] gfs2_fill_super+0x141c/0x2220
[ 289.117150][ T7397] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.117160][ T7397] ? rt_spin_unlock+0x14f/0x200
[ 289.117174][ T7397] ? sb_set_blocksize+0x11b/0x210
[ 289.117186][ T7397] ? setup_bdev_super+0x4c1/0x5b0
[ 289.117204][ T7397] get_tree_bdev_flags+0x431/0x4f0
[ 289.117220][ T7397] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.117230][ T7397] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 289.117245][ T7397] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 289.117265][ T7397] gfs2_get_tree+0x51/0x1e0
[ 289.117278][ T7397] vfs_get_tree+0x92/0x2a0
[ 289.117294][ T7397] do_new_mount+0x341/0xd30
[ 289.117306][ T7397] ? apparmor_capable+0x126/0x170
[ 289.117321][ T7397] ? __pfx_do_new_mount+0x10/0x10
[ 289.117333][ T7397] ? ns_capable+0x89/0xe0
[ 289.117346][ T7397] ? user_path_at+0xd4/0x160
[ 289.117362][ T7397] ? user_path_at+0xd4/0x160
[ 289.117377][ T7397] __se_sys_mount+0x31d/0x420
[ 289.117393][ T7397] ? __pfx___se_sys_mount+0x10/0x10
[ 289.117408][ T7397] ? __x64_sys_mount+0x20/0xc0
[ 289.117420][ T7397] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.117432][ T7397] do_syscall_64+0x15f/0xf80
[ 289.117447][ T7397] ? trace_irq_disable+0x3b/0x140
[ 289.117459][ T7397] ? clear_bhb_loop+0x40/0x90
[ 289.117472][ T7397] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.117483][ T7397] RIP: 0033:0x7f98b69db60a
[ 289.117495][ T7397] 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
[ 289.117505][ T7397] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.117518][ T7397] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 289.117526][ T7397] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 289.117533][ T7397] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 289.117541][ T7397] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 289.117548][ T7397] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 289.117564][ T7397]
[ 289.117592][ T7397] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.117602][ T7397] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.716329][ T7401] loop1: detected capacity change from 0 to 32768
[ 289.722212][ T7401] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.722240][ T7401] CPU: 0 UID: 0 PID: 7401 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 289.722260][ T7401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.722272][ T7401] Call Trace:
[ 289.722280][ T7401]
[ 289.722290][ T7401] dump_stack_lvl+0xe8/0x150
[ 289.722320][ T7401] sysfs_create_dir_ns+0x271/0x2a0
[ 289.722345][ T7401] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 289.722370][ T7401] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 289.722397][ T7401] ? rt_spin_unlock+0x160/0x200
[ 289.722422][ T7401] kobject_add_internal+0x631/0xd10
[ 289.722449][ T7401] kobject_init_and_add+0x12b/0x1a0
[ 289.722473][ T7401] ? __pfx_kobject_init_and_add+0x10/0x10
[ 289.722494][ T7401] ? __raw_spin_lock_init+0x45/0x100
[ 289.722518][ T7401] ? __init_swait_queue_head+0xa9/0x150
[ 289.722544][ T7401] gfs2_sys_fs_add+0x257/0x480
[ 289.722568][ T7401] ? is_dynamic_key+0x1ac/0x1c0
[ 289.722593][ T7401] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 289.722634][ T7401] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 289.722674][ T7401] gfs2_fill_super+0x141c/0x2220
[ 289.722708][ T7401] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.722726][ T7401] ? rt_spin_unlock+0x14f/0x200
[ 289.722751][ T7401] ? sb_set_blocksize+0x11b/0x210
[ 289.722774][ T7401] ? setup_bdev_super+0x4c1/0x5b0
[ 289.722804][ T7401] get_tree_bdev_flags+0x431/0x4f0
[ 289.722833][ T7401] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.722853][ T7401] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 289.722878][ T7401] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 289.722915][ T7401] gfs2_get_tree+0x51/0x1e0
[ 289.722938][ T7401] vfs_get_tree+0x92/0x2a0
[ 289.722969][ T7401] do_new_mount+0x341/0xd30
[ 289.722991][ T7401] ? apparmor_capable+0x126/0x170
[ 289.723017][ T7401] ? __pfx_do_new_mount+0x10/0x10
[ 289.723040][ T7401] ? ns_capable+0x89/0xe0
[ 289.723064][ T7401] ? user_path_at+0xd4/0x160
[ 289.723093][ T7401] ? user_path_at+0xd4/0x160
[ 289.723119][ T7401] __se_sys_mount+0x31d/0x420
[ 289.723148][ T7401] ? __pfx___se_sys_mount+0x10/0x10
[ 289.723177][ T7401] ? __x64_sys_mount+0x20/0xc0
[ 289.723200][ T7401] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.723220][ T7401] do_syscall_64+0x15f/0xf80
[ 289.723246][ T7401] ? trace_irq_disable+0x3b/0x140
[ 289.723269][ T7401] ? clear_bhb_loop+0x40/0x90
[ 289.723293][ T7401] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.723313][ T7401] RIP: 0033:0x7f98b69db60a
[ 289.723332][ T7401] 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
[ 289.723349][ T7401] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.723371][ T7401] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 289.723386][ T7401] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 289.723400][ T7401] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 289.723413][ T7401] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 289.723430][ T7401] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 289.723461][ T7401]
[ 289.729590][ T7401] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.729612][ T7401] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.250939][ T7405] loop1: detected capacity change from 0 to 32768
[ 290.263923][ T7405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.263945][ T7405] CPU: 1 UID: 0 PID: 7405 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 290.263967][ T7405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.263980][ T7405] Call Trace:
[ 290.263988][ T7405]
[ 290.263997][ T7405] dump_stack_lvl+0xe8/0x150
[ 290.264026][ T7405] sysfs_create_dir_ns+0x271/0x2a0
[ 290.264050][ T7405] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 290.264076][ T7405] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 290.264104][ T7405] ? rt_spin_unlock+0x160/0x200
[ 290.264129][ T7405] kobject_add_internal+0x631/0xd10
[ 290.264158][ T7405] kobject_init_and_add+0x12b/0x1a0
[ 290.264182][ T7405] ? __pfx_kobject_init_and_add+0x10/0x10
[ 290.264204][ T7405] ? __raw_spin_lock_init+0x45/0x100
[ 290.264229][ T7405] ? __init_swait_queue_head+0xa9/0x150
[ 290.264255][ T7405] gfs2_sys_fs_add+0x257/0x480
[ 290.264279][ T7405] ? is_dynamic_key+0x1ac/0x1c0
[ 290.264305][ T7405] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 290.264338][ T7405] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 290.264377][ T7405] gfs2_fill_super+0x141c/0x2220
[ 290.264412][ T7405] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.264431][ T7405] ? rt_spin_unlock+0x14f/0x200
[ 290.264457][ T7405] ? sb_set_blocksize+0x11b/0x210
[ 290.264479][ T7405] ? setup_bdev_super+0x4c1/0x5b0
[ 290.264510][ T7405] get_tree_bdev_flags+0x431/0x4f0
[ 290.264538][ T7405] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.264558][ T7405] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 290.264582][ T7405] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 290.264620][ T7405] gfs2_get_tree+0x51/0x1e0
[ 290.264643][ T7405] vfs_get_tree+0x92/0x2a0
[ 290.264674][ T7405] do_new_mount+0x341/0xd30
[ 290.264695][ T7405] ? apparmor_capable+0x126/0x170
[ 290.264722][ T7405] ? __pfx_do_new_mount+0x10/0x10
[ 290.264745][ T7405] ? ns_capable+0x89/0xe0
[ 290.264770][ T7405] ? user_path_at+0xd4/0x160
[ 290.264799][ T7405] ? user_path_at+0xd4/0x160
[ 290.264831][ T7405] __se_sys_mount+0x31d/0x420
[ 290.264861][ T7405] ? __pfx___se_sys_mount+0x10/0x10
[ 290.264891][ T7405] ? __x64_sys_mount+0x20/0xc0
[ 290.264914][ T7405] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.264937][ T7405] do_syscall_64+0x15f/0xf80
[ 290.264963][ T7405] ? trace_irq_disable+0x3b/0x140
[ 290.264986][ T7405] ? clear_bhb_loop+0x40/0x90
[ 290.265010][ T7405] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.265030][ T7405] RIP: 0033:0x7f98b69db60a
[ 290.265049][ T7405] 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
[ 290.265066][ T7405] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.265088][ T7405] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 290.265103][ T7405] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 290.265140][ T7405] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 290.265154][ T7405] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 290.265167][ T7405] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 290.265201][ T7405]
[ 290.266710][ T7405] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.266729][ T7405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.855791][ T7409] loop1: detected capacity change from 0 to 32768
[ 290.870888][ T7409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.870910][ T7409] CPU: 0 UID: 0 PID: 7409 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 290.870931][ T7409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.870943][ T7409] Call Trace:
[ 290.870951][ T7409]
[ 290.870959][ T7409] dump_stack_lvl+0xe8/0x150
[ 290.870988][ T7409] sysfs_create_dir_ns+0x271/0x2a0
[ 290.871012][ T7409] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 290.871037][ T7409] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 290.871062][ T7409] ? rt_spin_unlock+0x160/0x200
[ 290.871088][ T7409] kobject_add_internal+0x631/0xd10
[ 290.871114][ T7409] kobject_init_and_add+0x12b/0x1a0
[ 290.871139][ T7409] ? __pfx_kobject_init_and_add+0x10/0x10
[ 290.871161][ T7409] ? __raw_spin_lock_init+0x45/0x100
[ 290.871186][ T7409] ? __init_swait_queue_head+0xa9/0x150
[ 290.871213][ T7409] gfs2_sys_fs_add+0x257/0x480
[ 290.871235][ T7409] ? is_dynamic_key+0x1ac/0x1c0
[ 290.871260][ T7409] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 290.871292][ T7409] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 290.871329][ T7409] gfs2_fill_super+0x141c/0x2220
[ 290.871366][ T7409] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.871384][ T7409] ? rt_spin_unlock+0x14f/0x200
[ 290.871410][ T7409] ? sb_set_blocksize+0x11b/0x210
[ 290.871432][ T7409] ? setup_bdev_super+0x4c1/0x5b0
[ 290.871463][ T7409] get_tree_bdev_flags+0x431/0x4f0
[ 290.871490][ T7409] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.871508][ T7409] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 290.871533][ T7409] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 290.871569][ T7409] gfs2_get_tree+0x51/0x1e0
[ 290.871591][ T7409] vfs_get_tree+0x92/0x2a0
[ 290.871619][ T7409] do_new_mount+0x341/0xd30
[ 290.871640][ T7409] ? apparmor_capable+0x126/0x170
[ 290.871667][ T7409] ? __pfx_do_new_mount+0x10/0x10
[ 290.871688][ T7409] ? ns_capable+0x89/0xe0
[ 290.871713][ T7409] ? user_path_at+0xd4/0x160
[ 290.871749][ T7409] ? user_path_at+0xd4/0x160
[ 290.871775][ T7409] __se_sys_mount+0x31d/0x420
[ 290.871805][ T7409] ? __pfx___se_sys_mount+0x10/0x10
[ 290.871835][ T7409] ? __x64_sys_mount+0x20/0xc0
[ 290.871857][ T7409] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.871879][ T7409] do_syscall_64+0x15f/0xf80
[ 290.871905][ T7409] ? trace_irq_disable+0x3b/0x140
[ 290.871927][ T7409] ? clear_bhb_loop+0x40/0x90
[ 290.871952][ T7409] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.871971][ T7409] RIP: 0033:0x7f98b69db60a
[ 290.871990][ T7409] 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
[ 290.872006][ T7409] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.872028][ T7409] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 290.872043][ T7409] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 290.872057][ T7409] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 290.872071][ T7409] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 290.872084][ T7409] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 290.872115][ T7409]
[ 290.873912][ T7409] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.873931][ T7409] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.502076][ T7413] loop1: detected capacity change from 0 to 32768
[ 291.514626][ T7413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.514648][ T7413] CPU: 0 UID: 0 PID: 7413 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 291.514671][ T7413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 291.514683][ T7413] Call Trace:
[ 291.514691][ T7413]
[ 291.514699][ T7413] dump_stack_lvl+0xe8/0x150
[ 291.514729][ T7413] sysfs_create_dir_ns+0x271/0x2a0
[ 291.514753][ T7413] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 291.514778][ T7413] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 291.514805][ T7413] ? rt_spin_unlock+0x160/0x200
[ 291.514830][ T7413] kobject_add_internal+0x631/0xd10
[ 291.514858][ T7413] kobject_init_and_add+0x12b/0x1a0
[ 291.514883][ T7413] ? __pfx_kobject_init_and_add+0x10/0x10
[ 291.514905][ T7413] ? __raw_spin_lock_init+0x45/0x100
[ 291.514929][ T7413] ? __init_swait_queue_head+0xa9/0x150
[ 291.514954][ T7413] gfs2_sys_fs_add+0x257/0x480
[ 291.514977][ T7413] ? is_dynamic_key+0x1ac/0x1c0
[ 291.515002][ T7413] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 291.515035][ T7413] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 291.515074][ T7413] gfs2_fill_super+0x141c/0x2220
[ 291.515108][ T7413] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.515126][ T7413] ? rt_spin_unlock+0x14f/0x200
[ 291.515152][ T7413] ? sb_set_blocksize+0x11b/0x210
[ 291.515174][ T7413] ? setup_bdev_super+0x4c1/0x5b0
[ 291.515205][ T7413] get_tree_bdev_flags+0x431/0x4f0
[ 291.515232][ T7413] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.515252][ T7413] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 291.515277][ T7413] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 291.515314][ T7413] gfs2_get_tree+0x51/0x1e0
[ 291.515337][ T7413] vfs_get_tree+0x92/0x2a0
[ 291.515367][ T7413] do_new_mount+0x341/0xd30
[ 291.515388][ T7413] ? apparmor_capable+0x126/0x170
[ 291.515415][ T7413] ? __pfx_do_new_mount+0x10/0x10
[ 291.515437][ T7413] ? ns_capable+0x89/0xe0
[ 291.515467][ T7413] ? user_path_at+0xd4/0x160
[ 291.515496][ T7413] ? user_path_at+0xd4/0x160
[ 291.515523][ T7413] __se_sys_mount+0x31d/0x420
[ 291.515552][ T7413] ? __pfx___se_sys_mount+0x10/0x10
[ 291.515580][ T7413] ? __x64_sys_mount+0x20/0xc0
[ 291.515602][ T7413] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.515624][ T7413] do_syscall_64+0x15f/0xf80
[ 291.515651][ T7413] ? trace_irq_disable+0x3b/0x140
[ 291.515673][ T7413] ? clear_bhb_loop+0x40/0x90
[ 291.515695][ T7413] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.515712][ T7413] RIP: 0033:0x7f98b69db60a
[ 291.515728][ T7413] 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
[ 291.515742][ T7413] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.515762][ T7413] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 291.515776][ T7413] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 291.515790][ T7413] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 291.515803][ T7413] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 291.515816][ T7413] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 291.515850][ T7413]
[ 291.542519][ T7413] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.542544][ T7413] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.123849][ T7417] loop1: detected capacity change from 0 to 32768
[ 292.127552][ T7417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.127574][ T7417] CPU: 0 UID: 0 PID: 7417 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 292.127596][ T7417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 292.127608][ T7417] Call Trace:
[ 292.127615][ T7417]
[ 292.127624][ T7417] dump_stack_lvl+0xe8/0x150
2026/04/26 09:52:53 executed programs: 189
[ 292.127653][ T7417] sysfs_create_dir_ns+0x271/0x2a0
[ 292.127677][ T7417] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 292.127702][ T7417] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 292.127729][ T7417] ? rt_spin_unlock+0x160/0x200
[ 292.127753][ T7417] kobject_add_internal+0x631/0xd10
[ 292.127781][ T7417] kobject_init_and_add+0x12b/0x1a0
[ 292.127805][ T7417] ? __pfx_kobject_init_and_add+0x10/0x10
[ 292.127826][ T7417] ? __raw_spin_lock_init+0x45/0x100
[ 292.127849][ T7417] ? __init_swait_queue_head+0xa9/0x150
[ 292.127876][ T7417] gfs2_sys_fs_add+0x257/0x480
[ 292.127899][ T7417] ? is_dynamic_key+0x1ac/0x1c0
[ 292.127924][ T7417] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 292.127957][ T7417] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 292.127994][ T7417] gfs2_fill_super+0x141c/0x2220
[ 292.128028][ T7417] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.128047][ T7417] ? rt_spin_unlock+0x14f/0x200
[ 292.128074][ T7417] ? sb_set_blocksize+0x11b/0x210
[ 292.128093][ T7417] ? setup_bdev_super+0x4c1/0x5b0
[ 292.128123][ T7417] get_tree_bdev_flags+0x431/0x4f0
[ 292.128152][ T7417] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.128172][ T7417] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 292.128199][ T7417] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 292.128235][ T7417] gfs2_get_tree+0x51/0x1e0
[ 292.128257][ T7417] vfs_get_tree+0x92/0x2a0
[ 292.128286][ T7417] do_new_mount+0x341/0xd30
[ 292.128307][ T7417] ? apparmor_capable+0x126/0x170
[ 292.128334][ T7417] ? __pfx_do_new_mount+0x10/0x10
[ 292.128355][ T7417] ? ns_capable+0x89/0xe0
[ 292.128387][ T7417] ? user_path_at+0xd4/0x160
[ 292.128416][ T7417] ? user_path_at+0xd4/0x160
[ 292.128440][ T7417] __se_sys_mount+0x31d/0x420
[ 292.128468][ T7417] ? __pfx___se_sys_mount+0x10/0x10
[ 292.128501][ T7417] ? __x64_sys_mount+0x20/0xc0
[ 292.128523][ T7417] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.128545][ T7417] do_syscall_64+0x15f/0xf80
[ 292.128570][ T7417] ? trace_irq_disable+0x3b/0x140
[ 292.128592][ T7417] ? clear_bhb_loop+0x40/0x90
[ 292.128616][ T7417] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.128635][ T7417] RIP: 0033:0x7f98b69db60a
[ 292.128654][ T7417] 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
[ 292.128671][ T7417] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.128692][ T7417] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 292.128706][ T7417] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 292.128719][ T7417] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 292.128733][ T7417] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 292.128746][ T7417] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 292.128776][ T7417]
[ 292.128843][ T7417] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.128860][ T7417] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.704021][ T7421] loop1: detected capacity change from 0 to 32768
[ 292.717217][ T7421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.717239][ T7421] CPU: 0 UID: 0 PID: 7421 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 292.717260][ T7421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 292.717273][ T7421] Call Trace:
[ 292.717280][ T7421]
[ 292.717288][ T7421] dump_stack_lvl+0xe8/0x150
[ 292.717334][ T7421] sysfs_create_dir_ns+0x271/0x2a0
[ 292.717357][ T7421] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 292.717381][ T7421] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 292.717414][ T7421] ? rt_spin_unlock+0x160/0x200
[ 292.717438][ T7421] kobject_add_internal+0x631/0xd10
[ 292.717465][ T7421] kobject_init_and_add+0x12b/0x1a0
[ 292.717489][ T7421] ? __pfx_kobject_init_and_add+0x10/0x10
[ 292.717510][ T7421] ? __raw_spin_lock_init+0x45/0x100
[ 292.717533][ T7421] ? __init_swait_queue_head+0xa9/0x150
[ 292.717558][ T7421] gfs2_sys_fs_add+0x257/0x480
[ 292.717580][ T7421] ? is_dynamic_key+0x1ac/0x1c0
[ 292.717605][ T7421] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 292.717637][ T7421] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 292.717674][ T7421] gfs2_fill_super+0x141c/0x2220
[ 292.717707][ T7421] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.717725][ T7421] ? rt_spin_unlock+0x14f/0x200
[ 292.717750][ T7421] ? sb_set_blocksize+0x11b/0x210
[ 292.717770][ T7421] ? setup_bdev_super+0x4c1/0x5b0
[ 292.717800][ T7421] get_tree_bdev_flags+0x431/0x4f0
[ 292.717827][ T7421] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.717846][ T7421] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 292.717871][ T7421] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 292.717906][ T7421] gfs2_get_tree+0x51/0x1e0
[ 292.717928][ T7421] vfs_get_tree+0x92/0x2a0
[ 292.717957][ T7421] do_new_mount+0x341/0xd30
[ 292.717977][ T7421] ? apparmor_capable+0x126/0x170
[ 292.718001][ T7421] ? __pfx_do_new_mount+0x10/0x10
[ 292.718023][ T7421] ? ns_capable+0x89/0xe0
[ 292.718046][ T7421] ? user_path_at+0xd4/0x160
[ 292.718074][ T7421] ? user_path_at+0xd4/0x160
[ 292.718099][ T7421] __se_sys_mount+0x31d/0x420
[ 292.718127][ T7421] ? __pfx___se_sys_mount+0x10/0x10
[ 292.718155][ T7421] ? __x64_sys_mount+0x20/0xc0
[ 292.718177][ T7421] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.718197][ T7421] do_syscall_64+0x15f/0xf80
[ 292.718222][ T7421] ? trace_irq_disable+0x3b/0x140
[ 292.718244][ T7421] ? clear_bhb_loop+0x40/0x90
[ 292.718266][ T7421] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.718284][ T7421] RIP: 0033:0x7f98b69db60a
[ 292.718303][ T7421] 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
[ 292.718320][ T7421] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.718341][ T7421] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 292.718355][ T7421] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 292.718369][ T7421] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 292.718382][ T7421] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 292.718400][ T7421] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 292.718430][ T7421]
[ 292.719982][ T7421] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.720001][ T7421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.279452][ T7425] loop1: detected capacity change from 0 to 32768
[ 293.285830][ T7425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.285851][ T7425] CPU: 1 UID: 0 PID: 7425 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 293.285872][ T7425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 293.285884][ T7425] Call Trace:
[ 293.285891][ T7425]
[ 293.285897][ T7425] dump_stack_lvl+0xe8/0x150
[ 293.285921][ T7425] sysfs_create_dir_ns+0x271/0x2a0
[ 293.285941][ T7425] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 293.285965][ T7425] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 293.285988][ T7425] ? rt_spin_unlock+0x160/0x200
[ 293.286013][ T7425] kobject_add_internal+0x631/0xd10
[ 293.286045][ T7425] kobject_init_and_add+0x12b/0x1a0
[ 293.286067][ T7425] ? __pfx_kobject_init_and_add+0x10/0x10
[ 293.286089][ T7425] ? __raw_spin_lock_init+0x45/0x100
[ 293.286113][ T7425] ? __init_swait_queue_head+0xa9/0x150
[ 293.286138][ T7425] gfs2_sys_fs_add+0x257/0x480
[ 293.286163][ T7425] ? is_dynamic_key+0x1ac/0x1c0
[ 293.286187][ T7425] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 293.286221][ T7425] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 293.286259][ T7425] gfs2_fill_super+0x141c/0x2220
[ 293.286292][ T7425] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.286320][ T7425] ? rt_spin_unlock+0x14f/0x200
[ 293.286345][ T7425] ? sb_set_blocksize+0x11b/0x210
[ 293.286367][ T7425] ? setup_bdev_super+0x4c1/0x5b0
[ 293.286398][ T7425] get_tree_bdev_flags+0x431/0x4f0
[ 293.286424][ T7425] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.286444][ T7425] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 293.286469][ T7425] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 293.286505][ T7425] gfs2_get_tree+0x51/0x1e0
[ 293.286531][ T7425] vfs_get_tree+0x92/0x2a0
[ 293.286561][ T7425] do_new_mount+0x341/0xd30
[ 293.286582][ T7425] ? apparmor_capable+0x126/0x170
[ 293.286608][ T7425] ? __pfx_do_new_mount+0x10/0x10
[ 293.286630][ T7425] ? ns_capable+0x89/0xe0
[ 293.286655][ T7425] ? user_path_at+0xd4/0x160
[ 293.286684][ T7425] ? user_path_at+0xd4/0x160
[ 293.286711][ T7425] __se_sys_mount+0x31d/0x420
[ 293.286740][ T7425] ? __pfx___se_sys_mount+0x10/0x10
[ 293.286769][ T7425] ? __x64_sys_mount+0x20/0xc0
[ 293.286791][ T7425] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.286813][ T7425] do_syscall_64+0x15f/0xf80
[ 293.286839][ T7425] ? trace_irq_disable+0x3b/0x140
[ 293.286862][ T7425] ? clear_bhb_loop+0x40/0x90
[ 293.286885][ T7425] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.286904][ T7425] RIP: 0033:0x7f98b69db60a
[ 293.286923][ T7425] 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
[ 293.286940][ T7425] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.286962][ T7425] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 293.286977][ T7425] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 293.286991][ T7425] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 293.287005][ T7425] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 293.287018][ T7425] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 293.287049][ T7425]
[ 293.363770][ T7425] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.363793][ T7425] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.892154][ T7429] loop1: detected capacity change from 0 to 32768
[ 293.899830][ T7429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.899852][ T7429] CPU: 0 UID: 0 PID: 7429 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 293.899871][ T7429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 293.899883][ T7429] Call Trace:
[ 293.899891][ T7429]
[ 293.899900][ T7429] dump_stack_lvl+0xe8/0x150
[ 293.899929][ T7429] sysfs_create_dir_ns+0x271/0x2a0
[ 293.899953][ T7429] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 293.899977][ T7429] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 293.900004][ T7429] ? rt_spin_unlock+0x160/0x200
[ 293.900027][ T7429] kobject_add_internal+0x631/0xd10
[ 293.900054][ T7429] kobject_init_and_add+0x12b/0x1a0
[ 293.900078][ T7429] ? __pfx_kobject_init_and_add+0x10/0x10
[ 293.900100][ T7429] ? __raw_spin_lock_init+0x45/0x100
[ 293.900127][ T7429] ? __init_swait_queue_head+0xa9/0x150
[ 293.900151][ T7429] gfs2_sys_fs_add+0x257/0x480
[ 293.900174][ T7429] ? is_dynamic_key+0x1ac/0x1c0
[ 293.900199][ T7429] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 293.900230][ T7429] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 293.900267][ T7429] gfs2_fill_super+0x141c/0x2220
[ 293.900300][ T7429] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.900317][ T7429] ? rt_spin_unlock+0x14f/0x200
[ 293.900342][ T7429] ? sb_set_blocksize+0x11b/0x210
[ 293.900363][ T7429] ? setup_bdev_super+0x4c1/0x5b0
[ 293.900392][ T7429] get_tree_bdev_flags+0x431/0x4f0
[ 293.900420][ T7429] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.900439][ T7429] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 293.900464][ T7429] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 293.900508][ T7429] gfs2_get_tree+0x51/0x1e0
[ 293.900530][ T7429] vfs_get_tree+0x92/0x2a0
[ 293.900566][ T7429] do_new_mount+0x341/0xd30
[ 293.900586][ T7429] ? apparmor_capable+0x126/0x170
[ 293.900611][ T7429] ? __pfx_do_new_mount+0x10/0x10
[ 293.900633][ T7429] ? ns_capable+0x89/0xe0
[ 293.900656][ T7429] ? user_path_at+0xd4/0x160
[ 293.900684][ T7429] ? user_path_at+0xd4/0x160
[ 293.900709][ T7429] __se_sys_mount+0x31d/0x420
[ 293.900737][ T7429] ? __pfx___se_sys_mount+0x10/0x10
[ 293.900765][ T7429] ? __x64_sys_mount+0x20/0xc0
[ 293.900786][ T7429] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.900806][ T7429] do_syscall_64+0x15f/0xf80
[ 293.900832][ T7429] ? trace_irq_disable+0x3b/0x140
[ 293.900854][ T7429] ? clear_bhb_loop+0x40/0x90
[ 293.900877][ T7429] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.900896][ T7429] RIP: 0033:0x7f98b69db60a
[ 293.900914][ T7429] 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
[ 293.900930][ T7429] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.900947][ T7429] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 293.900960][ T7429] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 293.900973][ T7429] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 293.900987][ T7429] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 293.901000][ T7429] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 293.901030][ T7429]
[ 293.903383][ T7429] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.903404][ T7429] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.520457][ T7433] loop1: detected capacity change from 0 to 32768
[ 294.532409][ T7433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.532432][ T7433] CPU: 0 UID: 0 PID: 7433 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 294.532453][ T7433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 294.532466][ T7433] Call Trace:
[ 294.532473][ T7433]
[ 294.532481][ T7433] dump_stack_lvl+0xe8/0x150
[ 294.532508][ T7433] sysfs_create_dir_ns+0x271/0x2a0
[ 294.532533][ T7433] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 294.532558][ T7433] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 294.532585][ T7433] ? rt_spin_unlock+0x160/0x200
[ 294.532610][ T7433] kobject_add_internal+0x631/0xd10
[ 294.532639][ T7433] kobject_init_and_add+0x12b/0x1a0
[ 294.532662][ T7433] ? __pfx_kobject_init_and_add+0x10/0x10
[ 294.532683][ T7433] ? __raw_spin_lock_init+0x45/0x100
[ 294.532706][ T7433] ? __init_swait_queue_head+0xa9/0x150
[ 294.532728][ T7433] gfs2_sys_fs_add+0x257/0x480
[ 294.532750][ T7433] ? is_dynamic_key+0x1ac/0x1c0
[ 294.532780][ T7433] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 294.532812][ T7433] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 294.532852][ T7433] gfs2_fill_super+0x141c/0x2220
[ 294.532887][ T7433] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.532905][ T7433] ? rt_spin_unlock+0x14f/0x200
[ 294.532932][ T7433] ? sb_set_blocksize+0x11b/0x210
[ 294.532954][ T7433] ? setup_bdev_super+0x4c1/0x5b0
[ 294.532985][ T7433] get_tree_bdev_flags+0x431/0x4f0
[ 294.533013][ T7433] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.533033][ T7433] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 294.533059][ T7433] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 294.533095][ T7433] gfs2_get_tree+0x51/0x1e0
[ 294.533118][ T7433] vfs_get_tree+0x92/0x2a0
[ 294.533157][ T7433] do_new_mount+0x341/0xd30
[ 294.533178][ T7433] ? apparmor_capable+0x126/0x170
[ 294.533204][ T7433] ? __pfx_do_new_mount+0x10/0x10
[ 294.533227][ T7433] ? ns_capable+0x89/0xe0
[ 294.533251][ T7433] ? user_path_at+0xd4/0x160
[ 294.533281][ T7433] ? user_path_at+0xd4/0x160
[ 294.533307][ T7433] __se_sys_mount+0x31d/0x420
[ 294.533335][ T7433] ? __pfx___se_sys_mount+0x10/0x10
[ 294.533364][ T7433] ? __x64_sys_mount+0x20/0xc0
[ 294.533386][ T7433] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.533408][ T7433] do_syscall_64+0x15f/0xf80
[ 294.533434][ T7433] ? trace_irq_disable+0x3b/0x140
[ 294.533456][ T7433] ? clear_bhb_loop+0x40/0x90
[ 294.533480][ T7433] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.533499][ T7433] RIP: 0033:0x7f98b69db60a
[ 294.533518][ T7433] 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
[ 294.533533][ T7433] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.533553][ T7433] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 294.533567][ T7433] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 294.533580][ T7433] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 294.533593][ T7433] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 294.533605][ T7433] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 294.533634][ T7433]
[ 294.539448][ T7433] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.539469][ T7433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.111203][ T7437] loop1: detected capacity change from 0 to 32768
[ 295.125104][ T7437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.125127][ T7437] CPU: 1 UID: 0 PID: 7437 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 295.125148][ T7437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 295.125161][ T7437] Call Trace:
[ 295.125169][ T7437]
[ 295.125178][ T7437] dump_stack_lvl+0xe8/0x150
[ 295.125207][ T7437] sysfs_create_dir_ns+0x271/0x2a0
[ 295.125232][ T7437] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 295.125257][ T7437] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 295.125284][ T7437] ? rt_spin_unlock+0x160/0x200
[ 295.125308][ T7437] kobject_add_internal+0x631/0xd10
[ 295.125338][ T7437] kobject_init_and_add+0x12b/0x1a0
[ 295.125362][ T7437] ? __pfx_kobject_init_and_add+0x10/0x10
[ 295.125383][ T7437] ? __raw_spin_lock_init+0x45/0x100
[ 295.125406][ T7437] ? __init_swait_queue_head+0xa9/0x150
[ 295.125432][ T7437] gfs2_sys_fs_add+0x257/0x480
[ 295.125456][ T7437] ? is_dynamic_key+0x1ac/0x1c0
[ 295.125474][ T7437] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 295.125491][ T7437] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 295.125513][ T7437] gfs2_fill_super+0x141c/0x2220
[ 295.125531][ T7437] ? __pfx_gfs2_fill_super+0x10/0x10
[ 295.125541][ T7437] ? rt_spin_unlock+0x14f/0x200
[ 295.125555][ T7437] ? sb_set_blocksize+0x11b/0x210
[ 295.125567][ T7437] ? setup_bdev_super+0x4c1/0x5b0
[ 295.125585][ T7437] get_tree_bdev_flags+0x431/0x4f0
[ 295.125600][ T7437] ? __pfx_gfs2_fill_super+0x10/0x10
[ 295.125611][ T7437] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 295.125625][ T7437] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 295.125646][ T7437] gfs2_get_tree+0x51/0x1e0
[ 295.125658][ T7437] vfs_get_tree+0x92/0x2a0
[ 295.125674][ T7437] do_new_mount+0x341/0xd30
[ 295.125686][ T7437] ? apparmor_capable+0x126/0x170
[ 295.125701][ T7437] ? __pfx_do_new_mount+0x10/0x10
[ 295.125713][ T7437] ? ns_capable+0x89/0xe0
[ 295.125726][ T7437] ? user_path_at+0xd4/0x160
[ 295.125742][ T7437] ? user_path_at+0xd4/0x160
[ 295.125757][ T7437] __se_sys_mount+0x31d/0x420
[ 295.125773][ T7437] ? __pfx___se_sys_mount+0x10/0x10
[ 295.125788][ T7437] ? __x64_sys_mount+0x20/0xc0
[ 295.125800][ T7437] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.125812][ T7437] do_syscall_64+0x15f/0xf80
[ 295.125827][ T7437] ? trace_irq_disable+0x3b/0x140
[ 295.125840][ T7437] ? clear_bhb_loop+0x40/0x90
[ 295.125853][ T7437] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.125864][ T7437] RIP: 0033:0x7f98b69db60a
[ 295.125877][ T7437] 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
[ 295.125886][ T7437] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.125899][ T7437] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 295.125907][ T7437] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 295.125918][ T7437] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 295.125930][ T7437] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 295.125943][ T7437] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 295.125965][ T7437]
[ 295.125990][ T7437] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.125999][ T7437] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.669215][ T7441] loop1: detected capacity change from 0 to 32768
[ 295.682578][ T7441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.682600][ T7441] CPU: 0 UID: 0 PID: 7441 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 295.682622][ T7441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 295.682634][ T7441] Call Trace:
[ 295.682642][ T7441]
[ 295.682650][ T7441] dump_stack_lvl+0xe8/0x150
[ 295.682679][ T7441] sysfs_create_dir_ns+0x271/0x2a0
[ 295.682703][ T7441] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 295.682729][ T7441] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 295.682756][ T7441] ? rt_spin_unlock+0x160/0x200
[ 295.682780][ T7441] kobject_add_internal+0x631/0xd10
[ 295.682808][ T7441] kobject_init_and_add+0x12b/0x1a0
[ 295.682861][ T7441] ? __pfx_kobject_init_and_add+0x10/0x10
[ 295.682884][ T7441] ? __raw_spin_lock_init+0x45/0x100
[ 295.682909][ T7441] ? __init_swait_queue_head+0xa9/0x150
[ 295.682934][ T7441] gfs2_sys_fs_add+0x257/0x480
[ 295.682958][ T7441] ? is_dynamic_key+0x1ac/0x1c0
[ 295.682981][ T7441] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 295.683027][ T7441] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 295.683064][ T7441] gfs2_fill_super+0x141c/0x2220
[ 295.683096][ T7441] ? __pfx_gfs2_fill_super+0x10/0x10
[ 295.683112][ T7441] ? rt_spin_unlock+0x14f/0x200
[ 295.683138][ T7441] ? sb_set_blocksize+0x11b/0x210
[ 295.683171][ T7441] ? setup_bdev_super+0x4c1/0x5b0
[ 295.683201][ T7441] get_tree_bdev_flags+0x431/0x4f0
[ 295.683229][ T7441] ? __pfx_gfs2_fill_super+0x10/0x10
[ 295.683249][ T7441] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 295.683273][ T7441] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 295.683309][ T7441] gfs2_get_tree+0x51/0x1e0
[ 295.683332][ T7441] vfs_get_tree+0x92/0x2a0
[ 295.683369][ T7441] do_new_mount+0x341/0xd30
[ 295.683391][ T7441] ? apparmor_capable+0x126/0x170
[ 295.683417][ T7441] ? __pfx_do_new_mount+0x10/0x10
[ 295.683440][ T7441] ? ns_capable+0x89/0xe0
[ 295.683464][ T7441] ? user_path_at+0xd4/0x160
[ 295.683491][ T7441] ? user_path_at+0xd4/0x160
[ 295.683521][ T7441] __se_sys_mount+0x31d/0x420
[ 295.683546][ T7441] ? __pfx___se_sys_mount+0x10/0x10
[ 295.683572][ T7441] ? __x64_sys_mount+0x20/0xc0
[ 295.683592][ T7441] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.683612][ T7441] do_syscall_64+0x15f/0xf80
[ 295.683635][ T7441] ? trace_irq_disable+0x3b/0x140
[ 295.683657][ T7441] ? clear_bhb_loop+0x40/0x90
[ 295.683679][ T7441] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.683697][ T7441] RIP: 0033:0x7f98b69db60a
[ 295.683715][ T7441] 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
[ 295.683732][ T7441] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.683754][ T7441] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 295.683769][ T7441] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 295.683784][ T7441] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 295.683798][ T7441] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 295.683811][ T7441] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 295.683842][ T7441]
[ 295.689384][ T7441] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.689405][ T7441] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.263302][ T7445] loop1: detected capacity change from 0 to 32768
[ 296.280640][ T7445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.280661][ T7445] CPU: 1 UID: 0 PID: 7445 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 296.280679][ T7445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 296.280689][ T7445] Call Trace:
[ 296.280696][ T7445]
[ 296.280703][ T7445] dump_stack_lvl+0xe8/0x150
[ 296.280728][ T7445] sysfs_create_dir_ns+0x271/0x2a0
[ 296.280748][ T7445] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 296.280768][ T7445] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 296.280789][ T7445] ? rt_spin_unlock+0x160/0x200
[ 296.280807][ T7445] kobject_add_internal+0x631/0xd10
[ 296.280829][ T7445] kobject_init_and_add+0x12b/0x1a0
[ 296.280847][ T7445] ? __pfx_kobject_init_and_add+0x10/0x10
[ 296.280865][ T7445] ? __raw_spin_lock_init+0x45/0x100
[ 296.280883][ T7445] ? __init_swait_queue_head+0xa9/0x150
[ 296.280902][ T7445] gfs2_sys_fs_add+0x257/0x480
[ 296.280919][ T7445] ? is_dynamic_key+0x1ac/0x1c0
[ 296.280939][ T7445] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 296.280963][ T7445] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 296.280996][ T7445] gfs2_fill_super+0x141c/0x2220
[ 296.281023][ T7445] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.281040][ T7445] ? rt_spin_unlock+0x14f/0x200
[ 296.281064][ T7445] ? sb_set_blocksize+0x11b/0x210
[ 296.281093][ T7445] ? setup_bdev_super+0x4c1/0x5b0
[ 296.281122][ T7445] get_tree_bdev_flags+0x431/0x4f0
[ 296.281147][ T7445] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.281166][ T7445] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 296.281190][ T7445] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 296.281221][ T7445] gfs2_get_tree+0x51/0x1e0
[ 296.281241][ T7445] vfs_get_tree+0x92/0x2a0
[ 296.281266][ T7445] do_new_mount+0x341/0xd30
[ 296.281285][ T7445] ? apparmor_capable+0x126/0x170
[ 296.281306][ T7445] ? __pfx_do_new_mount+0x10/0x10
[ 296.281324][ T7445] ? ns_capable+0x89/0xe0
[ 296.281343][ T7445] ? user_path_at+0xd4/0x160
[ 296.281367][ T7445] ? user_path_at+0xd4/0x160
[ 296.281388][ T7445] __se_sys_mount+0x31d/0x420
[ 296.281411][ T7445] ? __pfx___se_sys_mount+0x10/0x10
[ 296.281434][ T7445] ? __x64_sys_mount+0x20/0xc0
[ 296.281452][ T7445] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.281468][ T7445] do_syscall_64+0x15f/0xf80
[ 296.281490][ T7445] ? trace_irq_disable+0x3b/0x140
[ 296.281508][ T7445] ? clear_bhb_loop+0x40/0x90
[ 296.281531][ T7445] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.281546][ T7445] RIP: 0033:0x7f98b69db60a
[ 296.281562][ T7445] 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
[ 296.281576][ T7445] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.281593][ T7445] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 296.281605][ T7445] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 296.281617][ T7445] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 296.281628][ T7445] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 296.281639][ T7445] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 296.281663][ T7445]
[ 296.281692][ T7445] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.281707][ T7445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.879202][ T7449] loop1: detected capacity change from 0 to 32768
[ 296.890414][ T7449] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.890436][ T7449] CPU: 1 UID: 0 PID: 7449 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 296.890457][ T7449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 296.890469][ T7449] Call Trace:
[ 296.890476][ T7449]
[ 296.890484][ T7449] dump_stack_lvl+0xe8/0x150
[ 296.890513][ T7449] sysfs_create_dir_ns+0x271/0x2a0
[ 296.890538][ T7449] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 296.890561][ T7449] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 296.890587][ T7449] ? rt_spin_unlock+0x160/0x200
[ 296.890611][ T7449] kobject_add_internal+0x631/0xd10
[ 296.890639][ T7449] kobject_init_and_add+0x12b/0x1a0
[ 296.890663][ T7449] ? __pfx_kobject_init_and_add+0x10/0x10
[ 296.890684][ T7449] ? __raw_spin_lock_init+0x45/0x100
[ 296.890709][ T7449] ? __init_swait_queue_head+0xa9/0x150
[ 296.890734][ T7449] gfs2_sys_fs_add+0x257/0x480
[ 296.890757][ T7449] ? is_dynamic_key+0x1ac/0x1c0
[ 296.890781][ T7449] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 296.890814][ T7449] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 296.890852][ T7449] gfs2_fill_super+0x141c/0x2220
[ 296.890886][ T7449] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.890904][ T7449] ? rt_spin_unlock+0x14f/0x200
[ 296.890930][ T7449] ? sb_set_blocksize+0x11b/0x210
[ 296.890951][ T7449] ? setup_bdev_super+0x4c1/0x5b0
[ 296.890982][ T7449] get_tree_bdev_flags+0x431/0x4f0
[ 296.891020][ T7449] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.891040][ T7449] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 296.891065][ T7449] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 296.891104][ T7449] gfs2_get_tree+0x51/0x1e0
[ 296.891126][ T7449] vfs_get_tree+0x92/0x2a0
[ 296.891156][ T7449] do_new_mount+0x341/0xd30
[ 296.891176][ T7449] ? apparmor_capable+0x126/0x170
[ 296.891202][ T7449] ? __pfx_do_new_mount+0x10/0x10
[ 296.891225][ T7449] ? ns_capable+0x89/0xe0
[ 296.891247][ T7449] ? user_path_at+0xd4/0x160
[ 296.891276][ T7449] ? user_path_at+0xd4/0x160
[ 296.891301][ T7449] __se_sys_mount+0x31d/0x420
[ 296.891329][ T7449] ? __pfx___se_sys_mount+0x10/0x10
[ 296.891358][ T7449] ? __x64_sys_mount+0x20/0xc0
[ 296.891379][ T7449] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.891400][ T7449] do_syscall_64+0x15f/0xf80
[ 296.891426][ T7449] ? trace_irq_disable+0x3b/0x140
[ 296.891448][ T7449] ? clear_bhb_loop+0x40/0x90
[ 296.891471][ T7449] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.891491][ T7449] RIP: 0033:0x7f98b69db60a
[ 296.891510][ T7449] 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
[ 296.891527][ T7449] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.891548][ T7449] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 296.891563][ T7449] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 296.891577][ T7449] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 296.891591][ T7449] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 296.891604][ T7449] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 296.891639][ T7449]
[ 296.894075][ T7449] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.894095][ T7449] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.457818][ T7453] loop1: detected capacity change from 0 to 32768
[ 297.461910][ T7453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.461932][ T7453] CPU: 0 UID: 0 PID: 7453 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 297.461953][ T7453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 297.461966][ T7453] Call Trace:
[ 297.461973][ T7453]
[ 297.461982][ T7453] dump_stack_lvl+0xe8/0x150
2026/04/26 09:52:58 executed programs: 198
[ 297.462011][ T7453] sysfs_create_dir_ns+0x271/0x2a0
[ 297.462036][ T7453] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 297.462061][ T7453] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 297.462089][ T7453] ? rt_spin_unlock+0x160/0x200
[ 297.462113][ T7453] kobject_add_internal+0x631/0xd10
[ 297.462141][ T7453] kobject_init_and_add+0x12b/0x1a0
[ 297.462167][ T7453] ? __pfx_kobject_init_and_add+0x10/0x10
[ 297.462197][ T7453] ? __raw_spin_lock_init+0x45/0x100
[ 297.462221][ T7453] ? __init_swait_queue_head+0xa9/0x150
[ 297.462248][ T7453] gfs2_sys_fs_add+0x257/0x480
[ 297.462271][ T7453] ? is_dynamic_key+0x1ac/0x1c0
[ 297.462294][ T7453] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 297.462326][ T7453] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 297.462364][ T7453] gfs2_fill_super+0x141c/0x2220
[ 297.462399][ T7453] ? __pfx_gfs2_fill_super+0x10/0x10
[ 297.462416][ T7453] ? rt_spin_unlock+0x14f/0x200
[ 297.462441][ T7453] ? sb_set_blocksize+0x11b/0x210
[ 297.462463][ T7453] ? setup_bdev_super+0x4c1/0x5b0
[ 297.462493][ T7453] get_tree_bdev_flags+0x431/0x4f0
[ 297.462521][ T7453] ? __pfx_gfs2_fill_super+0x10/0x10
[ 297.462541][ T7453] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 297.462568][ T7453] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 297.462606][ T7453] gfs2_get_tree+0x51/0x1e0
[ 297.462629][ T7453] vfs_get_tree+0x92/0x2a0
[ 297.462659][ T7453] do_new_mount+0x341/0xd30
[ 297.462680][ T7453] ? apparmor_capable+0x126/0x170
[ 297.462707][ T7453] ? __pfx_do_new_mount+0x10/0x10
[ 297.462729][ T7453] ? ns_capable+0x89/0xe0
[ 297.462753][ T7453] ? user_path_at+0xd4/0x160
[ 297.462780][ T7453] ? user_path_at+0xd4/0x160
[ 297.462807][ T7453] __se_sys_mount+0x31d/0x420
[ 297.462836][ T7453] ? __pfx___se_sys_mount+0x10/0x10
[ 297.462865][ T7453] ? __x64_sys_mount+0x20/0xc0
[ 297.462888][ T7453] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.462909][ T7453] do_syscall_64+0x15f/0xf80
[ 297.462934][ T7453] ? trace_irq_disable+0x3b/0x140
[ 297.462957][ T7453] ? clear_bhb_loop+0x40/0x90
[ 297.462981][ T7453] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.463001][ T7453] RIP: 0033:0x7f98b69db60a
[ 297.463019][ T7453] 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
[ 297.463037][ T7453] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.463058][ T7453] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 297.463077][ T7453] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 297.463091][ T7453] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 297.463105][ T7453] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 297.463119][ T7453] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 297.463150][ T7453]
[ 297.469023][ T7453] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.469045][ T7453] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.004830][ T7457] loop1: detected capacity change from 0 to 32768
[ 298.031319][ T7457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.031334][ T7457] CPU: 1 UID: 0 PID: 7457 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 298.031347][ T7457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.031357][ T7457] Call Trace:
[ 298.031364][ T7457]
[ 298.031370][ T7457] dump_stack_lvl+0xe8/0x150
[ 298.031388][ T7457] sysfs_create_dir_ns+0x271/0x2a0
[ 298.031402][ T7457] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 298.031417][ T7457] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 298.031432][ T7457] ? rt_spin_unlock+0x160/0x200
[ 298.031445][ T7457] kobject_add_internal+0x631/0xd10
[ 298.031460][ T7457] kobject_init_and_add+0x12b/0x1a0
[ 298.031474][ T7457] ? __pfx_kobject_init_and_add+0x10/0x10
[ 298.031485][ T7457] ? __raw_spin_lock_init+0x45/0x100
[ 298.031499][ T7457] ? __init_swait_queue_head+0xa9/0x150
[ 298.031514][ T7457] gfs2_sys_fs_add+0x257/0x480
[ 298.031527][ T7457] ? is_dynamic_key+0x1ac/0x1c0
[ 298.031541][ T7457] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 298.031558][ T7457] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 298.031579][ T7457] gfs2_fill_super+0x141c/0x2220
[ 298.031597][ T7457] ? __pfx_gfs2_fill_super+0x10/0x10
[ 298.031606][ T7457] ? rt_spin_unlock+0x14f/0x200
[ 298.031621][ T7457] ? sb_set_blocksize+0x11b/0x210
[ 298.031632][ T7457] ? setup_bdev_super+0x4c1/0x5b0
[ 298.031650][ T7457] get_tree_bdev_flags+0x431/0x4f0
[ 298.031666][ T7457] ? __pfx_gfs2_fill_super+0x10/0x10
[ 298.031676][ T7457] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 298.031691][ T7457] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 298.031711][ T7457] gfs2_get_tree+0x51/0x1e0
[ 298.031723][ T7457] vfs_get_tree+0x92/0x2a0
[ 298.031739][ T7457] do_new_mount+0x341/0xd30
[ 298.031751][ T7457] ? apparmor_capable+0x126/0x170
[ 298.031765][ T7457] ? __pfx_do_new_mount+0x10/0x10
[ 298.031777][ T7457] ? ns_capable+0x89/0xe0
[ 298.031790][ T7457] ? user_path_at+0xd4/0x160
[ 298.031806][ T7457] ? user_path_at+0xd4/0x160
[ 298.031821][ T7457] __se_sys_mount+0x31d/0x420
[ 298.031836][ T7457] ? __pfx___se_sys_mount+0x10/0x10
[ 298.031852][ T7457] ? __x64_sys_mount+0x20/0xc0
[ 298.031864][ T7457] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 298.031883][ T7457] do_syscall_64+0x15f/0xf80
[ 298.031898][ T7457] ? trace_irq_disable+0x3b/0x140
[ 298.031911][ T7457] ? clear_bhb_loop+0x40/0x90
[ 298.031924][ T7457] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 298.031935][ T7457] RIP: 0033:0x7f98b69db60a
[ 298.031946][ T7457] 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
[ 298.031956][ T7457] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.031968][ T7457] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 298.031977][ T7457] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 298.031985][ T7457] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 298.031992][ T7457] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 298.032000][ T7457] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 298.032015][ T7457]
[ 298.032030][ T7457] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.032039][ T7457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.613504][ T7461] loop1: detected capacity change from 0 to 32768
[ 298.621348][ T7461] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.621370][ T7461] CPU: 0 UID: 0 PID: 7461 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 298.621392][ T7461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.621403][ T7461] Call Trace:
[ 298.621411][ T7461]
[ 298.621420][ T7461] dump_stack_lvl+0xe8/0x150
[ 298.621448][ T7461] sysfs_create_dir_ns+0x271/0x2a0
[ 298.621473][ T7461] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 298.621497][ T7461] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 298.621522][ T7461] ? rt_spin_unlock+0x160/0x200
[ 298.621546][ T7461] kobject_add_internal+0x631/0xd10
[ 298.621572][ T7461] kobject_init_and_add+0x12b/0x1a0
[ 298.621596][ T7461] ? __pfx_kobject_init_and_add+0x10/0x10
[ 298.621616][ T7461] ? __raw_spin_lock_init+0x45/0x100
[ 298.621639][ T7461] ? __init_swait_queue_head+0xa9/0x150
[ 298.621664][ T7461] gfs2_sys_fs_add+0x257/0x480
[ 298.621687][ T7461] ? is_dynamic_key+0x1ac/0x1c0
[ 298.621712][ T7461] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 298.621745][ T7461] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 298.621782][ T7461] gfs2_fill_super+0x141c/0x2220
[ 298.621815][ T7461] ? __pfx_gfs2_fill_super+0x10/0x10
[ 298.621833][ T7461] ? rt_spin_unlock+0x14f/0x200
[ 298.621858][ T7461] ? sb_set_blocksize+0x11b/0x210
[ 298.621877][ T7461] ? setup_bdev_super+0x4c1/0x5b0
[ 298.621905][ T7461] get_tree_bdev_flags+0x431/0x4f0
[ 298.621932][ T7461] ? __pfx_gfs2_fill_super+0x10/0x10
[ 298.621949][ T7461] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 298.621975][ T7461] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 298.622018][ T7461] gfs2_get_tree+0x51/0x1e0
[ 298.622040][ T7461] vfs_get_tree+0x92/0x2a0
[ 298.622070][ T7461] do_new_mount+0x341/0xd30
[ 298.622090][ T7461] ? apparmor_capable+0x126/0x170
[ 298.622116][ T7461] ? __pfx_do_new_mount+0x10/0x10
[ 298.622138][ T7461] ? ns_capable+0x89/0xe0
[ 298.622162][ T7461] ? user_path_at+0xd4/0x160
[ 298.622189][ T7461] ? user_path_at+0xd4/0x160
[ 298.622220][ T7461] __se_sys_mount+0x31d/0x420
[ 298.622249][ T7461] ? __pfx___se_sys_mount+0x10/0x10
[ 298.622278][ T7461] ? __x64_sys_mount+0x20/0xc0
[ 298.622300][ T7461] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 298.622319][ T7461] do_syscall_64+0x15f/0xf80
[ 298.622345][ T7461] ? trace_irq_disable+0x3b/0x140
[ 298.622368][ T7461] ? clear_bhb_loop+0x40/0x90
[ 298.622392][ T7461] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 298.622410][ T7461] RIP: 0033:0x7f98b69db60a
[ 298.622429][ T7461] 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
[ 298.622449][ T7461] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.622471][ T7461] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 298.622485][ T7461] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 298.622498][ T7461] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 298.622510][ T7461] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 298.622523][ T7461] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 298.622555][ T7461]
[ 298.626668][ T7461] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.626689][ T7461] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.181721][ T7465] loop1: detected capacity change from 0 to 32768
[ 299.191261][ T7465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 299.191283][ T7465] CPU: 1 UID: 0 PID: 7465 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 299.191305][ T7465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 299.191317][ T7465] Call Trace:
[ 299.191325][ T7465]
[ 299.191334][ T7465] dump_stack_lvl+0xe8/0x150
[ 299.191362][ T7465] sysfs_create_dir_ns+0x271/0x2a0
[ 299.191386][ T7465] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 299.191408][ T7465] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 299.191433][ T7465] ? rt_spin_unlock+0x160/0x200
[ 299.191457][ T7465] kobject_add_internal+0x631/0xd10
[ 299.191484][ T7465] kobject_init_and_add+0x12b/0x1a0
[ 299.191508][ T7465] ? __pfx_kobject_init_and_add+0x10/0x10
[ 299.191535][ T7465] ? __raw_spin_lock_init+0x45/0x100
[ 299.191561][ T7465] ? __init_swait_queue_head+0xa9/0x150
[ 299.191587][ T7465] gfs2_sys_fs_add+0x257/0x480
[ 299.191611][ T7465] ? is_dynamic_key+0x1ac/0x1c0
[ 299.191638][ T7465] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 299.191671][ T7465] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 299.191710][ T7465] gfs2_fill_super+0x141c/0x2220
[ 299.191749][ T7465] ? __pfx_gfs2_fill_super+0x10/0x10
[ 299.191766][ T7465] ? rt_spin_unlock+0x14f/0x200
[ 299.191793][ T7465] ? sb_set_blocksize+0x11b/0x210
[ 299.191814][ T7465] ? setup_bdev_super+0x4c1/0x5b0
[ 299.191845][ T7465] get_tree_bdev_flags+0x431/0x4f0
[ 299.191873][ T7465] ? __pfx_gfs2_fill_super+0x10/0x10
[ 299.191893][ T7465] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 299.191919][ T7465] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 299.191955][ T7465] gfs2_get_tree+0x51/0x1e0
[ 299.191978][ T7465] vfs_get_tree+0x92/0x2a0
[ 299.192007][ T7465] do_new_mount+0x341/0xd30
[ 299.192029][ T7465] ? apparmor_capable+0x126/0x170
[ 299.192063][ T7465] ? __pfx_do_new_mount+0x10/0x10
[ 299.192086][ T7465] ? ns_capable+0x89/0xe0
[ 299.192109][ T7465] ? user_path_at+0xd4/0x160
[ 299.192137][ T7465] ? user_path_at+0xd4/0x160
[ 299.192163][ T7465] __se_sys_mount+0x31d/0x420
[ 299.192190][ T7465] ? __pfx___se_sys_mount+0x10/0x10
[ 299.192218][ T7465] ? __x64_sys_mount+0x20/0xc0
[ 299.192239][ T7465] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 299.192258][ T7465] do_syscall_64+0x15f/0xf80
[ 299.192295][ T7465] ? trace_irq_disable+0x3b/0x140
[ 299.192318][ T7465] ? clear_bhb_loop+0x40/0x90
[ 299.192341][ T7465] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 299.192360][ T7465] RIP: 0033:0x7f98b69db60a
[ 299.192379][ T7465] 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
[ 299.192397][ T7465] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.192418][ T7465] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 299.192433][ T7465] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 299.192446][ T7465] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 299.192460][ T7465] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 299.192473][ T7465] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 299.192505][ T7465]
[ 299.192596][ T7465] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.192613][ T7465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.772955][ T7469] loop1: detected capacity change from 0 to 32768
[ 299.781285][ T7469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 299.781301][ T7469] CPU: 0 UID: 0 PID: 7469 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 299.781313][ T7469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 299.781321][ T7469] Call Trace:
[ 299.781325][ T7469]
[ 299.781330][ T7469] dump_stack_lvl+0xe8/0x150
[ 299.781348][ T7469] sysfs_create_dir_ns+0x271/0x2a0
[ 299.781362][ T7469] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 299.781377][ T7469] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 299.781391][ T7469] ? rt_spin_unlock+0x160/0x200
[ 299.781405][ T7469] kobject_add_internal+0x631/0xd10
[ 299.781437][ T7469] kobject_init_and_add+0x12b/0x1a0
[ 299.781451][ T7469] ? __pfx_kobject_init_and_add+0x10/0x10
[ 299.781462][ T7469] ? __raw_spin_lock_init+0x45/0x100
[ 299.781477][ T7469] ? __init_swait_queue_head+0xa9/0x150
[ 299.781498][ T7469] gfs2_sys_fs_add+0x257/0x480
[ 299.781512][ T7469] ? is_dynamic_key+0x1ac/0x1c0
[ 299.781526][ T7469] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 299.781543][ T7469] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 299.781565][ T7469] gfs2_fill_super+0x141c/0x2220
[ 299.781583][ T7469] ? __pfx_gfs2_fill_super+0x10/0x10
[ 299.781596][ T7469] ? rt_spin_unlock+0x14f/0x200
[ 299.781611][ T7469] ? sb_set_blocksize+0x11b/0x210
[ 299.781622][ T7469] ? setup_bdev_super+0x4c1/0x5b0
[ 299.781646][ T7469] get_tree_bdev_flags+0x431/0x4f0
[ 299.781672][ T7469] ? __pfx_gfs2_fill_super+0x10/0x10
[ 299.781684][ T7469] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 299.781700][ T7469] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 299.781721][ T7469] gfs2_get_tree+0x51/0x1e0
[ 299.781733][ T7469] vfs_get_tree+0x92/0x2a0
[ 299.781749][ T7469] do_new_mount+0x341/0xd30
[ 299.781761][ T7469] ? apparmor_capable+0x126/0x170
[ 299.781775][ T7469] ? __pfx_do_new_mount+0x10/0x10
[ 299.781787][ T7469] ? ns_capable+0x89/0xe0
[ 299.781809][ T7469] ? user_path_at+0xd4/0x160
[ 299.781825][ T7469] ? user_path_at+0xd4/0x160
[ 299.781840][ T7469] __se_sys_mount+0x31d/0x420
[ 299.781855][ T7469] ? __pfx___se_sys_mount+0x10/0x10
[ 299.781871][ T7469] ? __x64_sys_mount+0x20/0xc0
[ 299.781883][ T7469] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 299.781895][ T7469] do_syscall_64+0x15f/0xf80
[ 299.781910][ T7469] ? trace_irq_disable+0x3b/0x140
[ 299.781923][ T7469] ? clear_bhb_loop+0x40/0x90
[ 299.781939][ T7469] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 299.781955][ T7469] RIP: 0033:0x7f98b69db60a
[ 299.781967][ T7469] 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
[ 299.781982][ T7469] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.781996][ T7469] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 299.782005][ T7469] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 299.782012][ T7469] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 299.782020][ T7469] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 299.782027][ T7469] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 299.782043][ T7469]
[ 299.782066][ T7469] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.782075][ T7469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.360064][ T7473] loop1: detected capacity change from 0 to 32768
[ 300.371413][ T7473] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.371435][ T7473] CPU: 1 UID: 0 PID: 7473 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 300.371457][ T7473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.371469][ T7473] Call Trace:
[ 300.371477][ T7473]
[ 300.371486][ T7473] dump_stack_lvl+0xe8/0x150
[ 300.371514][ T7473] sysfs_create_dir_ns+0x271/0x2a0
[ 300.371539][ T7473] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 300.371564][ T7473] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 300.371591][ T7473] ? rt_spin_unlock+0x160/0x200
[ 300.371616][ T7473] kobject_add_internal+0x631/0xd10
[ 300.371654][ T7473] kobject_init_and_add+0x12b/0x1a0
[ 300.371680][ T7473] ? __pfx_kobject_init_and_add+0x10/0x10
[ 300.371702][ T7473] ? __raw_spin_lock_init+0x45/0x100
[ 300.371727][ T7473] ? __init_swait_queue_head+0xa9/0x150
[ 300.371757][ T7473] gfs2_sys_fs_add+0x257/0x480
[ 300.371781][ T7473] ? is_dynamic_key+0x1ac/0x1c0
[ 300.371806][ T7473] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 300.371838][ T7473] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 300.371877][ T7473] gfs2_fill_super+0x141c/0x2220
[ 300.371910][ T7473] ? __pfx_gfs2_fill_super+0x10/0x10
[ 300.371927][ T7473] ? rt_spin_unlock+0x14f/0x200
[ 300.371953][ T7473] ? sb_set_blocksize+0x11b/0x210
[ 300.371974][ T7473] ? setup_bdev_super+0x4c1/0x5b0
[ 300.372005][ T7473] get_tree_bdev_flags+0x431/0x4f0
[ 300.372032][ T7473] ? __pfx_gfs2_fill_super+0x10/0x10
[ 300.372053][ T7473] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 300.372078][ T7473] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 300.372116][ T7473] gfs2_get_tree+0x51/0x1e0
[ 300.372139][ T7473] vfs_get_tree+0x92/0x2a0
[ 300.372169][ T7473] do_new_mount+0x341/0xd30
[ 300.372189][ T7473] ? apparmor_capable+0x126/0x170
[ 300.372216][ T7473] ? __pfx_do_new_mount+0x10/0x10
[ 300.372238][ T7473] ? ns_capable+0x89/0xe0
[ 300.372262][ T7473] ? user_path_at+0xd4/0x160
[ 300.372289][ T7473] ? user_path_at+0xd4/0x160
[ 300.372315][ T7473] __se_sys_mount+0x31d/0x420
[ 300.372345][ T7473] ? __pfx___se_sys_mount+0x10/0x10
[ 300.372374][ T7473] ? __x64_sys_mount+0x20/0xc0
[ 300.372396][ T7473] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 300.372417][ T7473] do_syscall_64+0x15f/0xf80
[ 300.372443][ T7473] ? trace_irq_disable+0x3b/0x140
[ 300.372466][ T7473] ? clear_bhb_loop+0x40/0x90
[ 300.372489][ T7473] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 300.372507][ T7473] RIP: 0033:0x7f98b69db60a
[ 300.372526][ T7473] 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
[ 300.372542][ T7473] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 300.372563][ T7473] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 300.372579][ T7473] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 300.372593][ T7473] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 300.372605][ T7473] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 300.372618][ T7473] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 300.372652][ T7473]
[ 300.372688][ T7473] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 300.372703][ T7473] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.889242][ T7477] loop1: detected capacity change from 0 to 32768
[ 300.905332][ T7477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.905356][ T7477] CPU: 0 UID: 0 PID: 7477 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 300.905378][ T7477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.905390][ T7477] Call Trace:
[ 300.905398][ T7477]
[ 300.905407][ T7477] dump_stack_lvl+0xe8/0x150
[ 300.905436][ T7477] sysfs_create_dir_ns+0x271/0x2a0
[ 300.905462][ T7477] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 300.905487][ T7477] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 300.905512][ T7477] ? rt_spin_unlock+0x160/0x200
[ 300.905537][ T7477] kobject_add_internal+0x631/0xd10
[ 300.905565][ T7477] kobject_init_and_add+0x12b/0x1a0
[ 300.905591][ T7477] ? __pfx_kobject_init_and_add+0x10/0x10
[ 300.905613][ T7477] ? __raw_spin_lock_init+0x45/0x100
[ 300.905637][ T7477] ? __init_swait_queue_head+0xa9/0x150
[ 300.905664][ T7477] gfs2_sys_fs_add+0x257/0x480
[ 300.905688][ T7477] ? is_dynamic_key+0x1ac/0x1c0
[ 300.905713][ T7477] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 300.905746][ T7477] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 300.905783][ T7477] gfs2_fill_super+0x141c/0x2220
[ 300.905818][ T7477] ? __pfx_gfs2_fill_super+0x10/0x10
[ 300.905835][ T7477] ? rt_spin_unlock+0x14f/0x200
[ 300.905862][ T7477] ? sb_set_blocksize+0x11b/0x210
[ 300.905892][ T7477] ? setup_bdev_super+0x4c1/0x5b0
[ 300.905922][ T7477] get_tree_bdev_flags+0x431/0x4f0
[ 300.905950][ T7477] ? __pfx_gfs2_fill_super+0x10/0x10
[ 300.905971][ T7477] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 300.905996][ T7477] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 300.906034][ T7477] gfs2_get_tree+0x51/0x1e0
[ 300.906057][ T7477] vfs_get_tree+0x92/0x2a0
[ 300.906088][ T7477] do_new_mount+0x341/0xd30
[ 300.906109][ T7477] ? apparmor_capable+0x126/0x170
[ 300.906136][ T7477] ? __pfx_do_new_mount+0x10/0x10
[ 300.906158][ T7477] ? ns_capable+0x89/0xe0
[ 300.906182][ T7477] ? user_path_at+0xd4/0x160
[ 300.906211][ T7477] ? user_path_at+0xd4/0x160
[ 300.906238][ T7477] __se_sys_mount+0x31d/0x420
[ 300.906268][ T7477] ? __pfx___se_sys_mount+0x10/0x10
[ 300.906297][ T7477] ? __x64_sys_mount+0x20/0xc0
[ 300.906320][ T7477] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 300.906341][ T7477] do_syscall_64+0x15f/0xf80
[ 300.906368][ T7477] ? trace_irq_disable+0x3b/0x140
[ 300.906394][ T7477] ? clear_bhb_loop+0x40/0x90
[ 300.906418][ T7477] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 300.906437][ T7477] RIP: 0033:0x7f98b69db60a
[ 300.906456][ T7477] 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
[ 300.906474][ T7477] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 300.906496][ T7477] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 300.906511][ T7477] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 300.906525][ T7477] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 300.906543][ T7477] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 300.906556][ T7477] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 300.906585][ T7477]
[ 300.906621][ T7477] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 300.906636][ T7477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 301.512460][ T7481] loop1: detected capacity change from 0 to 32768
[ 301.540484][ T7481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 301.540508][ T7481] CPU: 0 UID: 0 PID: 7481 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 301.540537][ T7481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 301.540548][ T7481] Call Trace:
[ 301.540555][ T7481]
[ 301.540564][ T7481] dump_stack_lvl+0xe8/0x150
[ 301.540592][ T7481] sysfs_create_dir_ns+0x271/0x2a0
[ 301.540616][ T7481] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 301.540639][ T7481] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 301.540665][ T7481] ? rt_spin_unlock+0x160/0x200
[ 301.540689][ T7481] kobject_add_internal+0x631/0xd10
[ 301.540714][ T7481] kobject_init_and_add+0x12b/0x1a0
[ 301.540740][ T7481] ? __pfx_kobject_init_and_add+0x10/0x10
[ 301.540761][ T7481] ? __raw_spin_lock_init+0x45/0x100
[ 301.540784][ T7481] ? __init_swait_queue_head+0xa9/0x150
[ 301.540799][ T7481] gfs2_sys_fs_add+0x257/0x480
[ 301.540814][ T7481] ? is_dynamic_key+0x1ac/0x1c0
[ 301.540828][ T7481] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 301.540846][ T7481] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 301.540873][ T7481] gfs2_fill_super+0x141c/0x2220
[ 301.540892][ T7481] ? __pfx_gfs2_fill_super+0x10/0x10
[ 301.540902][ T7481] ? rt_spin_unlock+0x14f/0x200
[ 301.540916][ T7481] ? sb_set_blocksize+0x11b/0x210
[ 301.540931][ T7481] ? setup_bdev_super+0x4c1/0x5b0
[ 301.540949][ T7481] get_tree_bdev_flags+0x431/0x4f0
[ 301.540965][ T7481] ? __pfx_gfs2_fill_super+0x10/0x10
[ 301.540977][ T7481] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 301.540992][ T7481] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 301.541013][ T7481] gfs2_get_tree+0x51/0x1e0
[ 301.541025][ T7481] vfs_get_tree+0x92/0x2a0
[ 301.541042][ T7481] do_new_mount+0x341/0xd30
[ 301.541054][ T7481] ? apparmor_capable+0x126/0x170
[ 301.541070][ T7481] ? __pfx_do_new_mount+0x10/0x10
[ 301.541085][ T7481] ? ns_capable+0x89/0xe0
[ 301.541098][ T7481] ? user_path_at+0xd4/0x160
[ 301.541114][ T7481] ? user_path_at+0xd4/0x160
[ 301.541129][ T7481] __se_sys_mount+0x31d/0x420
[ 301.541145][ T7481] ? __pfx___se_sys_mount+0x10/0x10
[ 301.541161][ T7481] ? __x64_sys_mount+0x20/0xc0
[ 301.541173][ T7481] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 301.541185][ T7481] do_syscall_64+0x15f/0xf80
[ 301.541200][ T7481] ? trace_irq_disable+0x3b/0x140
[ 301.541213][ T7481] ? clear_bhb_loop+0x40/0x90
[ 301.541226][ T7481] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 301.541237][ T7481] RIP: 0033:0x7f98b69db60a
[ 301.541250][ T7481] 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
[ 301.541260][ T7481] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.541273][ T7481] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 301.541282][ T7481] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 301.541289][ T7481] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 301.541297][ T7481] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 301.541304][ T7481] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 301.541320][ T7481]
[ 301.541344][ T7481] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.541353][ T7481] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.149312][ T7485] loop1: detected capacity change from 0 to 32768
[ 302.162242][ T7485] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.162266][ T7485] CPU: 1 UID: 0 PID: 7485 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 302.162287][ T7485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.162299][ T7485] Call Trace:
[ 302.162306][ T7485]
[ 302.162315][ T7485] dump_stack_lvl+0xe8/0x150
[ 302.162344][ T7485] sysfs_create_dir_ns+0x271/0x2a0
[ 302.162369][ T7485] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 302.162393][ T7485] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 302.162418][ T7485] ? rt_spin_unlock+0x160/0x200
[ 302.162443][ T7485] kobject_add_internal+0x631/0xd10
[ 302.162468][ T7485] kobject_init_and_add+0x12b/0x1a0
[ 302.162489][ T7485] ? __pfx_kobject_init_and_add+0x10/0x10
[ 302.162506][ T7485] ? __raw_spin_lock_init+0x45/0x100
[ 302.162526][ T7485] ? __init_swait_queue_head+0xa9/0x150
[ 302.162546][ T7485] gfs2_sys_fs_add+0x257/0x480
[ 302.162565][ T7485] ? is_dynamic_key+0x1ac/0x1c0
[ 302.162586][ T7485] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 302.162615][ T7485] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 302.162651][ T7485] gfs2_fill_super+0x141c/0x2220
[ 302.162687][ T7485] ? __pfx_gfs2_fill_super+0x10/0x10
[ 302.162704][ T7485] ? rt_spin_unlock+0x14f/0x200
[ 302.162745][ T7485] ? sb_set_blocksize+0x11b/0x210
[ 302.162766][ T7485] ? setup_bdev_super+0x4c1/0x5b0
[ 302.162798][ T7485] get_tree_bdev_flags+0x431/0x4f0
[ 302.162825][ T7485] ? __pfx_gfs2_fill_super+0x10/0x10
[ 302.162844][ T7485] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 302.162870][ T7485] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 302.162908][ T7485] gfs2_get_tree+0x51/0x1e0
[ 302.162930][ T7485] vfs_get_tree+0x92/0x2a0
[ 302.162958][ T7485] do_new_mount+0x341/0xd30
[ 302.162979][ T7485] ? apparmor_capable+0x126/0x170
[ 302.163005][ T7485] ? __pfx_do_new_mount+0x10/0x10
[ 302.163028][ T7485] ? ns_capable+0x89/0xe0
[ 302.163053][ T7485] ? user_path_at+0xd4/0x160
[ 302.163083][ T7485] ? user_path_at+0xd4/0x160
[ 302.163110][ T7485] __se_sys_mount+0x31d/0x420
[ 302.163138][ T7485] ? __pfx___se_sys_mount+0x10/0x10
[ 302.163166][ T7485] ? __x64_sys_mount+0x20/0xc0
[ 302.163188][ T7485] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 302.163209][ T7485] do_syscall_64+0x15f/0xf80
[ 302.163234][ T7485] ? trace_irq_disable+0x3b/0x140
[ 302.163256][ T7485] ? clear_bhb_loop+0x40/0x90
[ 302.163280][ T7485] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 302.163299][ T7485] RIP: 0033:0x7f98b69db60a
[ 302.163319][ T7485] 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
[ 302.163336][ T7485] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 302.163357][ T7485] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 302.163372][ T7485] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 302.163386][ T7485] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 302.163400][ T7485] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 302.163413][ T7485] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 302.163444][ T7485]
[ 302.163486][ T7485] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 302.215594][ T7485] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.738862][ T7489] loop1: detected capacity change from 0 to 32768
[ 302.751901][ T7489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.751923][ T7489] CPU: 0 UID: 0 PID: 7489 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 302.751964][ T7489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.751979][ T7489] Call Trace:
[ 302.751987][ T7489]
[ 302.751995][ T7489] dump_stack_lvl+0xe8/0x150
[ 302.752024][ T7489] sysfs_create_dir_ns+0x271/0x2a0
[ 302.752049][ T7489] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 302.752074][ T7489] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 302.752101][ T7489] ? rt_spin_unlock+0x160/0x200
[ 302.752124][ T7489] kobject_add_internal+0x631/0xd10
[ 302.752151][ T7489] kobject_init_and_add+0x12b/0x1a0
[ 302.752175][ T7489] ? __pfx_kobject_init_and_add+0x10/0x10
[ 302.752196][ T7489] ? __raw_spin_lock_init+0x45/0x100
[ 302.752221][ T7489] ? __init_swait_queue_head+0xa9/0x150
2026/04/26 09:53:03 executed programs: 207
[ 302.752248][ T7489] gfs2_sys_fs_add+0x257/0x480
[ 302.752273][ T7489] ? is_dynamic_key+0x1ac/0x1c0
[ 302.752298][ T7489] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 302.752330][ T7489] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 302.752368][ T7489] gfs2_fill_super+0x141c/0x2220
[ 302.752399][ T7489] ? __pfx_gfs2_fill_super+0x10/0x10
[ 302.752417][ T7489] ? rt_spin_unlock+0x14f/0x200
[ 302.752442][ T7489] ? sb_set_blocksize+0x11b/0x210
[ 302.752463][ T7489] ? setup_bdev_super+0x4c1/0x5b0
[ 302.752493][ T7489] get_tree_bdev_flags+0x431/0x4f0
[ 302.752521][ T7489] ? __pfx_gfs2_fill_super+0x10/0x10
[ 302.752541][ T7489] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 302.752566][ T7489] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 302.752603][ T7489] gfs2_get_tree+0x51/0x1e0
[ 302.752634][ T7489] vfs_get_tree+0x92/0x2a0
[ 302.752663][ T7489] do_new_mount+0x341/0xd30
[ 302.752685][ T7489] ? apparmor_capable+0x126/0x170
[ 302.752711][ T7489] ? __pfx_do_new_mount+0x10/0x10
[ 302.752734][ T7489] ? ns_capable+0x89/0xe0
[ 302.752759][ T7489] ? user_path_at+0xd4/0x160
[ 302.752786][ T7489] ? user_path_at+0xd4/0x160
[ 302.752813][ T7489] __se_sys_mount+0x31d/0x420
[ 302.752842][ T7489] ? __pfx___se_sys_mount+0x10/0x10
[ 302.752872][ T7489] ? __x64_sys_mount+0x20/0xc0
[ 302.752895][ T7489] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 302.752916][ T7489] do_syscall_64+0x15f/0xf80
[ 302.752943][ T7489] ? trace_irq_disable+0x3b/0x140
[ 302.752965][ T7489] ? clear_bhb_loop+0x40/0x90
[ 302.752988][ T7489] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 302.753008][ T7489] RIP: 0033:0x7f98b69db60a
[ 302.753026][ T7489] 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
[ 302.753044][ T7489] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 302.753065][ T7489] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 302.753079][ T7489] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 302.753093][ T7489] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 302.753106][ T7489] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 302.753120][ T7489] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 302.753149][ T7489]
[ 302.753234][ T7489] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 302.753250][ T7489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 303.308237][ T7493] loop1: detected capacity change from 0 to 32768
[ 303.321684][ T7493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 303.321707][ T7493] CPU: 0 UID: 0 PID: 7493 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 303.321729][ T7493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 303.321741][ T7493] Call Trace:
[ 303.321749][ T7493]
[ 303.321758][ T7493] dump_stack_lvl+0xe8/0x150
[ 303.321785][ T7493] sysfs_create_dir_ns+0x271/0x2a0
[ 303.321808][ T7493] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 303.321831][ T7493] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 303.321857][ T7493] ? rt_spin_unlock+0x160/0x200
[ 303.321880][ T7493] kobject_add_internal+0x631/0xd10
[ 303.321907][ T7493] kobject_init_and_add+0x12b/0x1a0
[ 303.321930][ T7493] ? __pfx_kobject_init_and_add+0x10/0x10
[ 303.321950][ T7493] ? __raw_spin_lock_init+0x45/0x100
[ 303.321974][ T7493] ? __init_swait_queue_head+0xa9/0x150
[ 303.321999][ T7493] gfs2_sys_fs_add+0x257/0x480
[ 303.322023][ T7493] ? is_dynamic_key+0x1ac/0x1c0
[ 303.322051][ T7493] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 303.322083][ T7493] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 303.322121][ T7493] gfs2_fill_super+0x141c/0x2220
[ 303.322154][ T7493] ? __pfx_gfs2_fill_super+0x10/0x10
[ 303.322171][ T7493] ? rt_spin_unlock+0x14f/0x200
[ 303.322198][ T7493] ? sb_set_blocksize+0x11b/0x210
[ 303.322220][ T7493] ? setup_bdev_super+0x4c1/0x5b0
[ 303.322249][ T7493] get_tree_bdev_flags+0x431/0x4f0
[ 303.322276][ T7493] ? __pfx_gfs2_fill_super+0x10/0x10
[ 303.322295][ T7493] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 303.322319][ T7493] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 303.322354][ T7493] gfs2_get_tree+0x51/0x1e0
[ 303.322377][ T7493] vfs_get_tree+0x92/0x2a0
[ 303.322407][ T7493] do_new_mount+0x341/0xd30
[ 303.322426][ T7493] ? apparmor_capable+0x126/0x170
[ 303.322451][ T7493] ? __pfx_do_new_mount+0x10/0x10
[ 303.322473][ T7493] ? ns_capable+0x89/0xe0
[ 303.322496][ T7493] ? user_path_at+0xd4/0x160
[ 303.322525][ T7493] ? user_path_at+0xd4/0x160
[ 303.322552][ T7493] __se_sys_mount+0x31d/0x420
[ 303.322580][ T7493] ? __pfx___se_sys_mount+0x10/0x10
[ 303.322615][ T7493] ? __x64_sys_mount+0x20/0xc0
[ 303.322638][ T7493] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 303.322658][ T7493] do_syscall_64+0x15f/0xf80
[ 303.322681][ T7493] ? trace_irq_disable+0x3b/0x140
[ 303.322702][ T7493] ? clear_bhb_loop+0x40/0x90
[ 303.322724][ T7493] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 303.322741][ T7493] RIP: 0033:0x7f98b69db60a
[ 303.322760][ T7493] 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
[ 303.322777][ T7493] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.322798][ T7493] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 303.322812][ T7493] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 303.322826][ T7493] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 303.322839][ T7493] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 303.322852][ T7493] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 303.322882][ T7493]
[ 303.322920][ T7493] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.323128][ T7493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 303.856017][ T7497] loop1: detected capacity change from 0 to 32768
[ 303.859537][ T7497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 303.859558][ T7497] CPU: 1 UID: 0 PID: 7497 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 303.859583][ T7497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 303.859604][ T7497] Call Trace:
[ 303.859611][ T7497]
[ 303.859621][ T7497] dump_stack_lvl+0xe8/0x150
[ 303.859648][ T7497] sysfs_create_dir_ns+0x271/0x2a0
[ 303.859673][ T7497] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 303.859698][ T7497] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 303.859725][ T7497] ? rt_spin_unlock+0x160/0x200
[ 303.859750][ T7497] kobject_add_internal+0x631/0xd10
[ 303.859778][ T7497] kobject_init_and_add+0x12b/0x1a0
[ 303.859802][ T7497] ? __pfx_kobject_init_and_add+0x10/0x10
[ 303.859823][ T7497] ? __raw_spin_lock_init+0x45/0x100
[ 303.859847][ T7497] ? __init_swait_queue_head+0xa9/0x150
[ 303.859874][ T7497] gfs2_sys_fs_add+0x257/0x480
[ 303.859897][ T7497] ? is_dynamic_key+0x1ac/0x1c0
[ 303.859923][ T7497] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 303.859955][ T7497] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 303.859994][ T7497] gfs2_fill_super+0x141c/0x2220
[ 303.860029][ T7497] ? __pfx_gfs2_fill_super+0x10/0x10
[ 303.860047][ T7497] ? rt_spin_unlock+0x14f/0x200
[ 303.860073][ T7497] ? sb_set_blocksize+0x11b/0x210
[ 303.860094][ T7497] ? setup_bdev_super+0x4c1/0x5b0
[ 303.860126][ T7497] get_tree_bdev_flags+0x431/0x4f0
[ 303.860154][ T7497] ? __pfx_gfs2_fill_super+0x10/0x10
[ 303.860174][ T7497] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 303.860199][ T7497] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 303.860237][ T7497] gfs2_get_tree+0x51/0x1e0
[ 303.860267][ T7497] vfs_get_tree+0x92/0x2a0
[ 303.860298][ T7497] do_new_mount+0x341/0xd30
[ 303.860319][ T7497] ? apparmor_capable+0x126/0x170
[ 303.860346][ T7497] ? __pfx_do_new_mount+0x10/0x10
[ 303.860369][ T7497] ? ns_capable+0x89/0xe0
[ 303.860395][ T7497] ? user_path_at+0xd4/0x160
[ 303.860423][ T7497] ? user_path_at+0xd4/0x160
[ 303.860451][ T7497] __se_sys_mount+0x31d/0x420
[ 303.860486][ T7497] ? __pfx___se_sys_mount+0x10/0x10
[ 303.860514][ T7497] ? __x64_sys_mount+0x20/0xc0
[ 303.860537][ T7497] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 303.860558][ T7497] do_syscall_64+0x15f/0xf80
[ 303.860585][ T7497] ? trace_irq_disable+0x3b/0x140
[ 303.860607][ T7497] ? clear_bhb_loop+0x40/0x90
[ 303.860631][ T7497] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 303.860650][ T7497] RIP: 0033:0x7f98b69db60a
[ 303.860669][ T7497] 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
[ 303.860686][ T7497] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.860708][ T7497] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 303.860723][ T7497] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 303.860737][ T7497] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 303.860751][ T7497] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 303.860764][ T7497] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 303.860796][ T7497]
[ 303.860875][ T7497] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.860891][ T7497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 304.005169][ T60] Bluetooth: hci1: command 0x0406 tx timeout
[ 304.456863][ T7501] loop1: detected capacity change from 0 to 32768
[ 304.465236][ T7501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 304.465257][ T7501] CPU: 0 UID: 0 PID: 7501 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 304.465280][ T7501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.465291][ T7501] Call Trace:
[ 304.465299][ T7501]
[ 304.465308][ T7501] dump_stack_lvl+0xe8/0x150
[ 304.465336][ T7501] sysfs_create_dir_ns+0x271/0x2a0
[ 304.465360][ T7501] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 304.465384][ T7501] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 304.465410][ T7501] ? rt_spin_unlock+0x160/0x200
[ 304.465433][ T7501] kobject_add_internal+0x631/0xd10
[ 304.465460][ T7501] kobject_init_and_add+0x12b/0x1a0
[ 304.465484][ T7501] ? __pfx_kobject_init_and_add+0x10/0x10
[ 304.465505][ T7501] ? __raw_spin_lock_init+0x45/0x100
[ 304.465529][ T7501] ? __init_swait_queue_head+0xa9/0x150
[ 304.465554][ T7501] gfs2_sys_fs_add+0x257/0x480
[ 304.465577][ T7501] ? is_dynamic_key+0x1ac/0x1c0
[ 304.465600][ T7501] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 304.465632][ T7501] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 304.465668][ T7501] gfs2_fill_super+0x141c/0x2220
[ 304.465701][ T7501] ? __pfx_gfs2_fill_super+0x10/0x10
[ 304.465718][ T7501] ? rt_spin_unlock+0x14f/0x200
[ 304.465744][ T7501] ? sb_set_blocksize+0x11b/0x210
[ 304.465764][ T7501] ? setup_bdev_super+0x4c1/0x5b0
[ 304.465793][ T7501] get_tree_bdev_flags+0x431/0x4f0
[ 304.465821][ T7501] ? __pfx_gfs2_fill_super+0x10/0x10
[ 304.465839][ T7501] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 304.465864][ T7501] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 304.465898][ T7501] gfs2_get_tree+0x51/0x1e0
[ 304.465920][ T7501] vfs_get_tree+0x92/0x2a0
[ 304.465949][ T7501] do_new_mount+0x341/0xd30
[ 304.465969][ T7501] ? apparmor_capable+0x126/0x170
[ 304.465994][ T7501] ? __pfx_do_new_mount+0x10/0x10
[ 304.466015][ T7501] ? ns_capable+0x89/0xe0
[ 304.466038][ T7501] ? user_path_at+0xd4/0x160
[ 304.466066][ T7501] ? user_path_at+0xd4/0x160
[ 304.466091][ T7501] __se_sys_mount+0x31d/0x420
[ 304.466118][ T7501] ? __pfx___se_sys_mount+0x10/0x10
[ 304.466146][ T7501] ? __x64_sys_mount+0x20/0xc0
[ 304.466168][ T7501] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 304.466194][ T7501] do_syscall_64+0x15f/0xf80
[ 304.466219][ T7501] ? trace_irq_disable+0x3b/0x140
[ 304.466240][ T7501] ? clear_bhb_loop+0x40/0x90
[ 304.466264][ T7501] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 304.466282][ T7501] RIP: 0033:0x7f98b69db60a
[ 304.466301][ T7501] 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
[ 304.466317][ T7501] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 304.466338][ T7501] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 304.466353][ T7501] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 304.466367][ T7501] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 304.466383][ T7501] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 304.466396][ T7501] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 304.466425][ T7501]
[ 304.470805][ T7501] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 304.470826][ T7501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 305.038110][ T7505] loop1: detected capacity change from 0 to 32768
[ 305.044092][ T7505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 305.044114][ T7505] CPU: 0 UID: 0 PID: 7505 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 305.044136][ T7505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 305.044148][ T7505] Call Trace:
[ 305.044155][ T7505]
[ 305.044163][ T7505] dump_stack_lvl+0xe8/0x150
[ 305.044191][ T7505] sysfs_create_dir_ns+0x271/0x2a0
[ 305.044216][ T7505] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 305.044240][ T7505] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 305.044266][ T7505] ? rt_spin_unlock+0x160/0x200
[ 305.044290][ T7505] kobject_add_internal+0x631/0xd10
[ 305.044317][ T7505] kobject_init_and_add+0x12b/0x1a0
[ 305.044342][ T7505] ? __pfx_kobject_init_and_add+0x10/0x10
[ 305.044362][ T7505] ? __raw_spin_lock_init+0x45/0x100
[ 305.044386][ T7505] ? __init_swait_queue_head+0xa9/0x150
[ 305.044410][ T7505] gfs2_sys_fs_add+0x257/0x480
[ 305.044433][ T7505] ? is_dynamic_key+0x1ac/0x1c0
[ 305.044457][ T7505] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 305.044496][ T7505] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 305.044536][ T7505] gfs2_fill_super+0x141c/0x2220
[ 305.044569][ T7505] ? __pfx_gfs2_fill_super+0x10/0x10
[ 305.044587][ T7505] ? rt_spin_unlock+0x14f/0x200
[ 305.044612][ T7505] ? sb_set_blocksize+0x11b/0x210
[ 305.044633][ T7505] ? setup_bdev_super+0x4c1/0x5b0
[ 305.044662][ T7505] get_tree_bdev_flags+0x431/0x4f0
[ 305.044690][ T7505] ? __pfx_gfs2_fill_super+0x10/0x10
[ 305.044709][ T7505] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 305.044733][ T7505] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 305.044768][ T7505] gfs2_get_tree+0x51/0x1e0
[ 305.044788][ T7505] vfs_get_tree+0x92/0x2a0
[ 305.044812][ T7505] do_new_mount+0x341/0xd30
[ 305.044829][ T7505] ? apparmor_capable+0x126/0x170
[ 305.044855][ T7505] ? __pfx_do_new_mount+0x10/0x10
[ 305.044892][ T7505] ? ns_capable+0x89/0xe0
[ 305.044917][ T7505] ? user_path_at+0xd4/0x160
[ 305.044944][ T7505] ? user_path_at+0xd4/0x160
[ 305.044971][ T7505] __se_sys_mount+0x31d/0x420
[ 305.044999][ T7505] ? __pfx___se_sys_mount+0x10/0x10
[ 305.045041][ T7505] ? __x64_sys_mount+0x20/0xc0
[ 305.045063][ T7505] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 305.045083][ T7505] do_syscall_64+0x15f/0xf80
[ 305.045108][ T7505] ? trace_irq_disable+0x3b/0x140
[ 305.045130][ T7505] ? clear_bhb_loop+0x40/0x90
[ 305.045153][ T7505] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 305.045171][ T7505] RIP: 0033:0x7f98b69db60a
[ 305.045190][ T7505] 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
[ 305.045207][ T7505] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 305.045228][ T7505] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 305.045243][ T7505] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 305.045256][ T7505] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 305.045269][ T7505] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 305.045282][ T7505] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 305.045312][ T7505]
[ 305.049786][ T7505] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 305.049808][ T7505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 305.609238][ T7509] loop1: detected capacity change from 0 to 32768
[ 305.613851][ T7509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 305.613872][ T7509] CPU: 0 UID: 0 PID: 7509 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 305.613893][ T7509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 305.613904][ T7509] Call Trace:
[ 305.613912][ T7509]
[ 305.613918][ T7509] dump_stack_lvl+0xe8/0x150
[ 305.613945][ T7509] sysfs_create_dir_ns+0x271/0x2a0
[ 305.613968][ T7509] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 305.613994][ T7509] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 305.614017][ T7509] ? rt_spin_unlock+0x160/0x200
[ 305.614046][ T7509] kobject_add_internal+0x631/0xd10
[ 305.614077][ T7509] kobject_init_and_add+0x12b/0x1a0
[ 305.614100][ T7509] ? __pfx_kobject_init_and_add+0x10/0x10
[ 305.614121][ T7509] ? __raw_spin_lock_init+0x45/0x100
[ 305.614143][ T7509] ? __init_swait_queue_head+0xa9/0x150
[ 305.614168][ T7509] gfs2_sys_fs_add+0x257/0x480
[ 305.614192][ T7509] ? is_dynamic_key+0x1ac/0x1c0
[ 305.614216][ T7509] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 305.614248][ T7509] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 305.614285][ T7509] gfs2_fill_super+0x141c/0x2220
[ 305.614319][ T7509] ? __pfx_gfs2_fill_super+0x10/0x10
[ 305.614336][ T7509] ? rt_spin_unlock+0x14f/0x200
[ 305.614367][ T7509] ? sb_set_blocksize+0x11b/0x210
[ 305.614388][ T7509] ? setup_bdev_super+0x4c1/0x5b0
[ 305.614418][ T7509] get_tree_bdev_flags+0x431/0x4f0
[ 305.614445][ T7509] ? __pfx_gfs2_fill_super+0x10/0x10
[ 305.614464][ T7509] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 305.614487][ T7509] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 305.614524][ T7509] gfs2_get_tree+0x51/0x1e0
[ 305.614546][ T7509] vfs_get_tree+0x92/0x2a0
[ 305.614574][ T7509] do_new_mount+0x341/0xd30
[ 305.614593][ T7509] ? apparmor_capable+0x126/0x170
[ 305.614619][ T7509] ? __pfx_do_new_mount+0x10/0x10
[ 305.614641][ T7509] ? ns_capable+0x89/0xe0
[ 305.614665][ T7509] ? user_path_at+0xd4/0x160
[ 305.614692][ T7509] ? user_path_at+0xd4/0x160
[ 305.614716][ T7509] __se_sys_mount+0x31d/0x420
[ 305.614743][ T7509] ? __pfx___se_sys_mount+0x10/0x10
[ 305.614771][ T7509] ? __x64_sys_mount+0x20/0xc0
[ 305.614792][ T7509] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 305.614812][ T7509] do_syscall_64+0x15f/0xf80
[ 305.614837][ T7509] ? trace_irq_disable+0x3b/0x140
[ 305.614859][ T7509] ? clear_bhb_loop+0x40/0x90
[ 305.614882][ T7509] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 305.614901][ T7509] RIP: 0033:0x7f98b69db60a
[ 305.614920][ T7509] 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
[ 305.614936][ T7509] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 305.614957][ T7509] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 305.614971][ T7509] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 305.614986][ T7509] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 305.614999][ T7509] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 305.615011][ T7509] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 305.615041][ T7509]
[ 305.615077][ T7509] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 305.617618][ T7509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 306.180883][ T7513] loop1: detected capacity change from 0 to 32768
[ 306.192326][ T7513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 306.192349][ T7513] CPU: 1 UID: 0 PID: 7513 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 306.192371][ T7513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.192383][ T7513] Call Trace:
[ 306.192391][ T7513]
[ 306.192399][ T7513] dump_stack_lvl+0xe8/0x150
[ 306.192429][ T7513] sysfs_create_dir_ns+0x271/0x2a0
[ 306.192454][ T7513] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 306.192479][ T7513] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 306.192504][ T7513] ? rt_spin_unlock+0x160/0x200
[ 306.192529][ T7513] kobject_add_internal+0x631/0xd10
[ 306.192557][ T7513] kobject_init_and_add+0x12b/0x1a0
[ 306.192582][ T7513] ? __pfx_kobject_init_and_add+0x10/0x10
[ 306.192602][ T7513] ? __raw_spin_lock_init+0x45/0x100
[ 306.192626][ T7513] ? __init_swait_queue_head+0xa9/0x150
[ 306.192651][ T7513] gfs2_sys_fs_add+0x257/0x480
[ 306.192674][ T7513] ? is_dynamic_key+0x1ac/0x1c0
[ 306.192698][ T7513] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 306.192730][ T7513] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 306.192773][ T7513] gfs2_fill_super+0x141c/0x2220
[ 306.192807][ T7513] ? __pfx_gfs2_fill_super+0x10/0x10
[ 306.192825][ T7513] ? rt_spin_unlock+0x14f/0x200
[ 306.192851][ T7513] ? sb_set_blocksize+0x11b/0x210
[ 306.192873][ T7513] ? setup_bdev_super+0x4c1/0x5b0
[ 306.192904][ T7513] get_tree_bdev_flags+0x431/0x4f0
[ 306.192932][ T7513] ? __pfx_gfs2_fill_super+0x10/0x10
[ 306.192951][ T7513] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 306.192977][ T7513] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 306.193013][ T7513] gfs2_get_tree+0x51/0x1e0
[ 306.193036][ T7513] vfs_get_tree+0x92/0x2a0
[ 306.193065][ T7513] do_new_mount+0x341/0xd30
[ 306.193085][ T7513] ? apparmor_capable+0x126/0x170
[ 306.193113][ T7513] ? __pfx_do_new_mount+0x10/0x10
[ 306.193137][ T7513] ? ns_capable+0x89/0xe0
[ 306.193160][ T7513] ? user_path_at+0xd4/0x160
[ 306.193189][ T7513] ? user_path_at+0xd4/0x160
[ 306.193216][ T7513] __se_sys_mount+0x31d/0x420
[ 306.193245][ T7513] ? __pfx___se_sys_mount+0x10/0x10
[ 306.193274][ T7513] ? __x64_sys_mount+0x20/0xc0
[ 306.193295][ T7513] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 306.193324][ T7513] do_syscall_64+0x15f/0xf80
[ 306.193349][ T7513] ? trace_irq_disable+0x3b/0x140
[ 306.193372][ T7513] ? clear_bhb_loop+0x40/0x90
[ 306.193396][ T7513] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 306.193424][ T7513] RIP: 0033:0x7f98b69db60a
[ 306.193444][ T7513] 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
[ 306.193461][ T7513] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 306.193482][ T7513] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 306.193496][ T7513] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 306.193510][ T7513] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 306.193523][ T7513] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 306.193534][ T7513] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 306.193561][ T7513]
[ 306.250419][ T7513] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 306.250442][ T7513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 306.789057][ T7517] loop1: detected capacity change from 0 to 32768
[ 306.803446][ T7517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 306.803470][ T7517] CPU: 1 UID: 0 PID: 7517 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 306.803492][ T7517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.803503][ T7517] Call Trace:
[ 306.803515][ T7517]
[ 306.803523][ T7517] dump_stack_lvl+0xe8/0x150
[ 306.803550][ T7517] sysfs_create_dir_ns+0x271/0x2a0
[ 306.803574][ T7517] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 306.803598][ T7517] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 306.803623][ T7517] ? rt_spin_unlock+0x160/0x200
[ 306.803647][ T7517] kobject_add_internal+0x631/0xd10
[ 306.803673][ T7517] kobject_init_and_add+0x12b/0x1a0
[ 306.803699][ T7517] ? __pfx_kobject_init_and_add+0x10/0x10
[ 306.803720][ T7517] ? __raw_spin_lock_init+0x45/0x100
[ 306.803738][ T7517] ? __init_swait_queue_head+0xa9/0x150
[ 306.803753][ T7517] gfs2_sys_fs_add+0x257/0x480
[ 306.803766][ T7517] ? is_dynamic_key+0x1ac/0x1c0
[ 306.803780][ T7517] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 306.803798][ T7517] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 306.803819][ T7517] gfs2_fill_super+0x141c/0x2220
[ 306.803837][ T7517] ? __pfx_gfs2_fill_super+0x10/0x10
[ 306.803847][ T7517] ? rt_spin_unlock+0x14f/0x200
[ 306.803861][ T7517] ? sb_set_blocksize+0x11b/0x210
[ 306.803873][ T7517] ? setup_bdev_super+0x4c1/0x5b0
[ 306.803890][ T7517] get_tree_bdev_flags+0x431/0x4f0
[ 306.803906][ T7517] ? __pfx_gfs2_fill_super+0x10/0x10
[ 306.803916][ T7517] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 306.803931][ T7517] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 306.803951][ T7517] gfs2_get_tree+0x51/0x1e0
[ 306.803963][ T7517] vfs_get_tree+0x92/0x2a0
[ 306.803987][ T7517] do_new_mount+0x341/0xd30
[ 306.803999][ T7517] ? apparmor_capable+0x126/0x170
[ 306.804013][ T7517] ? __pfx_do_new_mount+0x10/0x10
[ 306.804026][ T7517] ? ns_capable+0x89/0xe0
[ 306.804039][ T7517] ? user_path_at+0xd4/0x160
[ 306.804056][ T7517] ? user_path_at+0xd4/0x160
[ 306.804074][ T7517] __se_sys_mount+0x31d/0x420
[ 306.804091][ T7517] ? __pfx___se_sys_mount+0x10/0x10
[ 306.804108][ T7517] ? __x64_sys_mount+0x20/0xc0
[ 306.804120][ T7517] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 306.804132][ T7517] do_syscall_64+0x15f/0xf80
[ 306.804147][ T7517] ? trace_irq_disable+0x3b/0x140
[ 306.804159][ T7517] ? clear_bhb_loop+0x40/0x90
[ 306.804172][ T7517] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 306.804183][ T7517] RIP: 0033:0x7f98b69db60a
[ 306.804195][ T7517] 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
[ 306.804205][ T7517] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 306.804217][ T7517] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 306.804227][ T7517] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 306.804235][ T7517] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 306.804243][ T7517] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 306.804250][ T7517] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 306.804266][ T7517]
[ 306.812357][ T7517] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 306.812379][ T7517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 307.370349][ T7521] loop1: detected capacity change from 0 to 32768
[ 307.380607][ T7521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 307.380630][ T7521] CPU: 0 UID: 0 PID: 7521 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 307.380652][ T7521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 307.380663][ T7521] Call Trace:
[ 307.380671][ T7521]
[ 307.380680][ T7521] dump_stack_lvl+0xe8/0x150
[ 307.380708][ T7521] sysfs_create_dir_ns+0x271/0x2a0
[ 307.380733][ T7521] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 307.380758][ T7521] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 307.380784][ T7521] ? rt_spin_unlock+0x160/0x200
[ 307.380810][ T7521] kobject_add_internal+0x631/0xd10
[ 307.380838][ T7521] kobject_init_and_add+0x12b/0x1a0
[ 307.380862][ T7521] ? __pfx_kobject_init_and_add+0x10/0x10
[ 307.380884][ T7521] ? __raw_spin_lock_init+0x45/0x100
[ 307.380908][ T7521] ? __init_swait_queue_head+0xa9/0x150
[ 307.380934][ T7521] gfs2_sys_fs_add+0x257/0x480
[ 307.380957][ T7521] ? is_dynamic_key+0x1ac/0x1c0
[ 307.380992][ T7521] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 307.381025][ T7521] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 307.381064][ T7521] gfs2_fill_super+0x141c/0x2220
[ 307.381097][ T7521] ? __pfx_gfs2_fill_super+0x10/0x10
[ 307.381116][ T7521] ? rt_spin_unlock+0x14f/0x200
[ 307.381142][ T7521] ? sb_set_blocksize+0x11b/0x210
[ 307.381164][ T7521] ? setup_bdev_super+0x4c1/0x5b0
[ 307.381194][ T7521] get_tree_bdev_flags+0x431/0x4f0
[ 307.381223][ T7521] ? __pfx_gfs2_fill_super+0x10/0x10
[ 307.381241][ T7521] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 307.381267][ T7521] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 307.381305][ T7521] gfs2_get_tree+0x51/0x1e0
[ 307.381328][ T7521] vfs_get_tree+0x92/0x2a0
[ 307.381358][ T7521] do_new_mount+0x341/0xd30
[ 307.381378][ T7521] ? apparmor_capable+0x126/0x170
[ 307.381405][ T7521] ? __pfx_do_new_mount+0x10/0x10
[ 307.381427][ T7521] ? ns_capable+0x89/0xe0
[ 307.381451][ T7521] ? user_path_at+0xd4/0x160
[ 307.381480][ T7521] ? user_path_at+0xd4/0x160
[ 307.381506][ T7521] __se_sys_mount+0x31d/0x420
[ 307.381536][ T7521] ? __pfx___se_sys_mount+0x10/0x10
[ 307.381564][ T7521] ? __x64_sys_mount+0x20/0xc0
[ 307.381586][ T7521] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 307.381608][ T7521] do_syscall_64+0x15f/0xf80
[ 307.381634][ T7521] ? trace_irq_disable+0x3b/0x140
[ 307.381657][ T7521] ? clear_bhb_loop+0x40/0x90
[ 307.381681][ T7521] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 307.381701][ T7521] RIP: 0033:0x7f98b69db60a
[ 307.381719][ T7521] 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
[ 307.381737][ T7521] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 307.381763][ T7521] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 307.381777][ T7521] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 307.381791][ T7521] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 307.381803][ T7521] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 307.381816][ T7521] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 307.381846][ T7521]
[ 307.383380][ T7521] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 307.383400][ T7521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 307.986020][ T7526] loop1: detected capacity change from 0 to 32768
[ 307.990197][ T7526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 307.990221][ T7526] CPU: 0 UID: 0 PID: 7526 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 307.990247][ T7526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 307.990258][ T7526] Call Trace:
[ 307.990267][ T7526]
[ 307.990275][ T7526] dump_stack_lvl+0xe8/0x150
2026/04/26 09:53:09 executed programs: 216
[ 307.990304][ T7526] sysfs_create_dir_ns+0x271/0x2a0
[ 307.990328][ T7526] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 307.990360][ T7526] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 307.990387][ T7526] ? rt_spin_unlock+0x160/0x200
[ 307.990412][ T7526] kobject_add_internal+0x631/0xd10
[ 307.990440][ T7526] kobject_init_and_add+0x12b/0x1a0
[ 307.990466][ T7526] ? __pfx_kobject_init_and_add+0x10/0x10
[ 307.990487][ T7526] ? __raw_spin_lock_init+0x45/0x100
[ 307.990511][ T7526] ? __init_swait_queue_head+0xa9/0x150
[ 307.990538][ T7526] gfs2_sys_fs_add+0x257/0x480
[ 307.990561][ T7526] ? is_dynamic_key+0x1ac/0x1c0
[ 307.990586][ T7526] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 307.990618][ T7526] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 307.990658][ T7526] gfs2_fill_super+0x141c/0x2220
[ 307.990692][ T7526] ? __pfx_gfs2_fill_super+0x10/0x10
[ 307.990709][ T7526] ? rt_spin_unlock+0x14f/0x200
[ 307.990734][ T7526] ? sb_set_blocksize+0x11b/0x210
[ 307.990755][ T7526] ? setup_bdev_super+0x4c1/0x5b0
[ 307.990786][ T7526] get_tree_bdev_flags+0x431/0x4f0
[ 307.990814][ T7526] ? __pfx_gfs2_fill_super+0x10/0x10
[ 307.990832][ T7526] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 307.990859][ T7526] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 307.990904][ T7526] gfs2_get_tree+0x51/0x1e0
[ 307.990927][ T7526] vfs_get_tree+0x92/0x2a0
[ 307.990957][ T7526] do_new_mount+0x341/0xd30
[ 307.990978][ T7526] ? apparmor_capable+0x126/0x170
[ 307.991005][ T7526] ? __pfx_do_new_mount+0x10/0x10
[ 307.991028][ T7526] ? ns_capable+0x89/0xe0
[ 307.991051][ T7526] ? user_path_at+0xd4/0x160
[ 307.991080][ T7526] ? user_path_at+0xd4/0x160
[ 307.991107][ T7526] __se_sys_mount+0x31d/0x420
[ 307.991136][ T7526] ? __pfx___se_sys_mount+0x10/0x10
[ 307.991166][ T7526] ? __x64_sys_mount+0x20/0xc0
[ 307.991189][ T7526] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 307.991217][ T7526] do_syscall_64+0x15f/0xf80
[ 307.991243][ T7526] ? trace_irq_disable+0x3b/0x140
[ 307.991265][ T7526] ? clear_bhb_loop+0x40/0x90
[ 307.991296][ T7526] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 307.991316][ T7526] RIP: 0033:0x7f98b69db60a
[ 307.991335][ T7526] 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
[ 307.991352][ T7526] RSP: 002b:00007f98b603de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 307.991374][ T7526] RAX: ffffffffffffffda RBX: 00007f98b603dee0 RCX: 00007f98b69db60a
[ 307.991389][ T7526] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f98b603dea0
[ 307.991404][ T7526] RBP: 000020000001f680 R08: 00007f98b603dee0 R09: 0000000000000094
[ 307.991418][ T7526] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 307.991431][ T7526] R13: 00007f98b603dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 307.991462][ T7526]
[ 307.997837][ T7526] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 307.997858][ T7526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 308.343776][ T38] INFO: task kworker/1:3:5858 blocked in I/O wait for more than 143 seconds.
[ 308.343801][ T38] Not tainted syzkaller #0
[ 308.343812][ T38] "echo 0 > /proc/sys/kerne[ 308.343812][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 308.343833][ T38] task:kworker/1:3 state:D stack:20888 pid:5858 tgid:5858 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 308.343892][ T38] Workqueue: gfs2_recovery gfs2_recover_func
[ 308.343929][ T38] Call Trace:
[ 308.343936][ T38]
[ 308.343948][ T38] __schedule+0x169e/0x54f0
[ 308.343979][ T38] ? __lock_acquire+0x6b5/0x2cf0
[ 308.344012][ T38] ? do_raw_spin_lock+0x12b/0x2f0
[ 308.344047][ T38] ? __pfx___schedule+0x10/0x10
[ 308.344079][ T38] ? schedule+0x90/0x360
[ 308.344106][ T38] schedule+0x164/0x360
[ 308.344132][ T38] io_schedule+0x7f/0xd0
[ 308.344159][ T38] folio_wait_bit_common+0x6dd/0xbc0
[ 308.344204][ T38] ? __pfx_folio_wait_bit_common+0x10/0x10
[ 308.344234][ T38] ? __pfx_wake_page_function+0x10/0x10
[ 308.344260][ T38] ? __get_log_header+0x2a3/0x630
[ 308.344292][ T38] ? __filemap_get_folio_mpol+0x6fa/0xa50
[ 308.344318][ T38] gfs2_jhead_process_page+0x175/0x670
[ 308.344351][ T38] ? __pfx_gfs2_jhead_process_page+0x10/0x10
[ 308.344389][ T38] gfs2_find_jhead+0xbd2/0xd30
[ 308.344433][ T38] gfs2_recover_func+0x6cf/0x1f60
[ 308.344459][ T38] ? unwind_next_frame+0xa6/0x2550
[ 308.344485][ T38] ? ret_from_fork_asm+0x1a/0x30
[ 308.344519][ T38] ? ret_from_fork_asm+0x1a/0x30
[ 308.344546][ T38] ? stack_trace_save+0xa9/0x100
[ 308.344568][ T38] ? __pfx_gfs2_recover_func+0x10/0x10
[ 308.344599][ T38] ? check_path+0x21/0x40
[ 308.344629][ T38] ? add_lock_to_list+0xc7/0x100
[ 308.344658][ T38] ? lockdep_unlock+0x5d/0xd0
[ 308.344678][ T38] ? __lock_acquire+0x146e/0x2cf0
[ 308.344723][ T38] ? process_one_work+0x8b7/0x1710
[ 308.344758][ T38] ? process_one_work+0x8b7/0x1710
[ 308.344776][ T38] process_one_work+0x9a3/0x1710
[ 308.344815][ T38] ? __pfx_process_one_work+0x10/0x10
[ 308.344833][ T38] ? do_raw_spin_lock+0x12b/0x2f0
[ 308.344877][ T38] worker_thread+0xba8/0x11e0
[ 308.344905][ T38] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 308.344934][ T38] ? __kthread_parkme+0x7a/0x1f0
[ 308.344956][ T38] ? __kthread_parkme+0x19c/0x1f0
[ 308.344983][ T38] kthread+0x388/0x470
[ 308.345021][ T38] ? __pfx_worker_thread+0x10/0x10
[ 308.345062][ T38] ? __pfx_kthread+0x10/0x10
[ 308.345088][ T38] ret_from_fork+0x514/0xb70
[ 308.345112][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 308.345133][ T38] ? __switch_to+0xc79/0x1410
[ 308.345163][ T38] ? __pfx_kthread+0x10/0x10
[ 308.345188][ T38] ret_from_fork_asm+0x1a/0x30
[ 308.345225][ T38]
[ 308.345245][ T38] INFO: task syz.0.17:6639 blocked for more than 143 seconds.
[ 308.345260][ T38] Not tainted syzkaller #0
[ 308.345270][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 308.345280][ T38] task:syz.0.17 state:D stack:23728 pid:6639 tgid:6638 ppid:6511 task_flags:0x400140 flags:0x00080002
[ 308.345328][ T38] Call Trace:
[ 308.345335][ T38]
[ 308.345346][ T38] __schedule+0x169e/0x54f0
[ 308.345373][ T38] ? __lock_acquire+0x6b5/0x2cf0
[ 308.345405][ T38] ? do_raw_spin_lock+0x12b/0x2f0
[ 308.345437][ T38] ? __pfx___schedule+0x10/0x10
[ 308.345469][ T38] ? schedule+0x90/0x360
[ 308.345497][ T38] schedule+0x164/0x360
[ 308.345523][ T38] bit_wait+0x11/0xd0
[ 308.345549][ T38] __wait_on_bit+0xb9/0x300
[ 308.345582][ T38] ? __pfx_bit_wait+0x10/0x10
[ 308.345609][ T38] out_of_line_wait_on_bit+0x13b/0x190
[ 308.345637][ T38] ? __pfx_bit_wait+0x10/0x10
[ 308.345662][ T38] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 308.345691][ T38] ? __pfx_wake_bit_function+0x10/0x10
[ 308.345723][ T38] gfs2_recover_journal+0xda/0x140
[ 308.345752][ T38] init_journal+0x16ad/0x2280
[ 308.345782][ T38] ? init_inodes+0xdb/0x320
[ 308.345805][ T38] ? __pfx_init_journal+0x10/0x10
[ 308.345836][ T38] ? snprintf+0xe8/0x140
[ 308.345867][ T38] ? init_inodes+0xdb/0x320
[ 308.345980][ T38] ? __pfx_snprintf+0x10/0x10
[ 308.346004][ T38] ? gfs2_glock_nq_num+0x13d/0x170
[ 308.346029][ T38] init_inodes+0xdb/0x320
[ 308.346051][ T38] gfs2_fill_super+0x1a92/0x2220
[ 308.346084][ T38] ? __pfx_gfs2_fill_super+0x10/0x10
[ 308.346101][ T38] ? rt_spin_unlock+0x14f/0x200
[ 308.346125][ T38] ? init_locking+0xb8/0x210
[ 308.346143][ T38] ? sb_set_blocksize+0x11b/0x210
[ 308.346165][ T38] ? setup_bdev_super+0x4c1/0x5b0
[ 308.346195][ T38] get_tree_bdev_flags+0x431/0x4f0
[ 308.346222][ T38] ? __pfx_gfs2_fill_super+0x10/0x10
[ 308.346241][ T38] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 308.346266][ T38] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 308.346302][ T38] gfs2_get_tree+0x51/0x1e0
[ 308.346324][ T38] vfs_get_tree+0x92/0x2a0
[ 308.346353][ T38] do_new_mount+0x341/0xd30
[ 308.346374][ T38] ? apparmor_capable+0x126/0x170
[ 308.346399][ T38] ? __pfx_do_new_mount+0x10/0x10
[ 308.346420][ T38] ? ns_capable+0x89/0xe0
[ 308.346444][ T38] ? user_path_at+0xd4/0x160
[ 308.346471][ T38] ? user_path_at+0xd4/0x160
[ 308.346498][ T38] __se_sys_mount+0x31d/0x420
[ 308.346530][ T38] ? __pfx___se_sys_mount+0x10/0x10
[ 308.350167][ T38] ? __x64_sys_mount+0x20/0xc0
[ 308.350202][ T38] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 308.350225][ T38] do_syscall_64+0x15f/0xf80
[ 308.350250][ T38] ? trace_irq_disable+0x3b/0x140
[ 308.350273][ T38] ? clear_bhb_loop+0x40/0x90
[ 308.350296][ T38] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 308.350316][ T38] RIP: 0033:0x7f46ef0cb60a
[ 308.350335][ T38] RSP: 002b:00007f46ee72de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 308.350355][ T38] RAX: ffffffffffffffda RBX: 00007f46ee72dee0 RCX: 00007f46ef0cb60a
[ 308.350371][ T38] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f46ee72dea0
[ 308.350385][ T38] RBP: 000020000001f680 R08: 00007f46ee72dee0 R09: 0000000000000094
[ 308.350399][ T38] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 308.350412][ T38] R13: 00007f46ee72dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 308.350443][ T38]
[ 308.350471][ T38]
[ 308.350471][ T38] Showing all locks held in the system:
[ 308.350481][ T38] 4 locks held by pr/legacy/17:
[ 308.350493][ T38] #0: ffffffff8dfba460 (console_lock){+.+.}-{0:0}, at: legacy_kthread_func+0x1a3/0x250
[ 308.350543][ T38] #1: ffffffff8dea1d58 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfa/0xb90
[ 308.350590][ T38] #2: ffffffff99be0878 (&port_lock_key){+.+.}-{3:3}, at: serial8250_console_write+0x179/0x1b90
[ 308.350642][ T38] #3: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[ 308.350691][ T38] 1 lock held by khungtaskd/38:
[ 308.350702][ T38] #0: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 308.350780][ T38] 7 locks held by udevd/5193:
[ 308.350790][ T38] #0: ffff88803d732d18 (&lockref->lock){+.+.}-{3:3}, at: d_walk+0xa7/0x770
[ 308.350838][ T38] #1: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[ 308.350888][ T38] #2: ffff88803347a638 (&lockref->lock/1){+.+.}-{3:3}, at: d_walk+0x1fc/0x770
[ 308.350938][ T38] #3: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock_nested+0x1de/0x3f0
[ 308.350982][ T38] #4: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: list_lru_del_obj+0xbe/0x270
[ 308.351026][ T38] #5: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: lock_list_lru_of_memcg+0x2b/0x470
[ 308.351071][ T38] #6: ffff888037173070 (&l->lock){+.+.}-{3:3}, at: lock_list_lru_of_memcg+0x268/0x470
[ 308.351115][ T38] 2 locks held by getty/5576:
[ 308.351126][ T38] #0: ffff88823bfa40a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 308.351174][ T38] #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0
[ 308.351220][ T38] 2 locks held by kworker/1:3/5858:
[ 308.351231][ T38] #0: ffff88801f3d5538 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x890/0x1710
[ 308.351274][ T38] #1: ffffc90004467c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710
[ 308.351320][ T38] 1 lock held by syz.0.17/6639:
[ 308.351331][ T38] #0: ffff888033c820d0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xac0
[ 308.351389][ T38] 1 lock held by dhcpcd/7531:
[ 308.351399][ T38] #0: ffff88803a4da358 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe70
[ 308.351451][ T38]
[ 308.351457][ T38] =============================================
[ 308.351457][ T38]
[ 308.351475][ T38] NMI backtrace for cpu 0
[ 308.351490][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 308.351510][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 308.351521][ T38] Call Trace:
[ 308.351528][ T38]
[ 308.351536][ T38] dump_stack_lvl+0xe8/0x150
[ 308.351559][ T38] nmi_cpu_backtrace+0x274/0x2d0
[ 308.351583][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 308.351605][ T38] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 308.351628][ T38] sys_info+0x135/0x170
[ 308.351646][ T38] watchdog+0xfd3/0x1030
[ 308.351674][ T38] ? watchdog+0x1c9/0x1030
[ 308.351699][ T38] kthread+0x388/0x470
[ 308.351722][ T38] ? __pfx_watchdog+0x10/0x10
[ 308.351740][ T38] ? __pfx_kthread+0x10/0x10
[ 308.351765][ T38] ret_from_fork+0x514/0xb70
[ 308.351789][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 308.351809][ T38] ? __switch_to+0xc79/0x1410
[ 308.351836][ T38] ? __pfx_kthread+0x10/0x10
[ 308.351867][ T38] ret_from_fork_asm+0x1a/0x30
[ 308.351902][ T38]
[ 308.351925][ T38] Sending NMI from CPU 0 to CPUs 1:
[ 308.351953][ C1] NMI backtrace for cpu 1
[ 308.351967][ C1] CPU: 1 UID: 0 PID: 17 Comm: pr/legacy Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 308.351986][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 308.351996][ C1] RIP: 0010:preempt_count_add+0x115/0x190
[ 308.352017][ C1] Code: 04 38 84 c0 75 78 83 3d dc b4 f9 0d 00 75 13 48 8d 3d 6f 90 fc 0d 48 c7 c6 20 15 4c 8b 67 48 0f b9 3a 90 89 df e9 5f ff ff ff <48> c7 c1 e0 53 82 99 80 e1 07 80 c1 03 38 c1 0f 8c 01 ff ff ff 89
[ 308.352032][ C1] RSP: 0018:ffffc900001679b0 EFLAGS: 00000202
[ 308.352046][ C1] RAX: 0000000000000004 RBX: 0000000000000899 RCX: 0000000000000000
[ 308.352062][ C1] RDX: 00000000000000a2 RSI: ffffffff8ba85ec0 RDI: 0000000000000001
[ 308.352074][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[ 308.352084][ C1] R10: dffffc0000000000 R11: ffffffff8b367800 R12: 1ffffffff337c166
[ 308.352102][ C1] R13: 00000000ffffffff R14: 000000a25203f390 R15: dffffc0000000000
[ 308.352114][ C1] FS: 0000000000000000(0000) GS:ffff888125fb0000(0000) knlGS:0000000000000000
[ 308.352128][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 308.352139][ C1] CR2: 0000555582a53a28 CR3: 0000000038f06000 CR4: 00000000003526f0
[ 308.352154][ C1] Call Trace:
[ 308.352161][ C1]
[ 308.352168][ C1] delay_tsc+0x65/0xc0
[ 308.352187][ C1] wait_for_lsr+0x166/0x2f0
[ 308.352214][ C1] serial8250_console_write+0x120d/0x1b90
[ 308.352245][ C1] ? __pfx_serial8250_console_write+0x10/0x10
[ 308.352268][ C1] ? console_flush_one_record+0xfa/0xb90
[ 308.352289][ C1] ? console_flush_one_record+0x48f/0xb90
[ 308.352311][ C1] console_flush_one_record+0x68b/0xb90
[ 308.352333][ C1] ? console_flush_one_record+0xfa/0xb90
[ 308.352355][ C1] ? __pfx_console_flush_one_record+0x10/0x10
[ 308.352375][ C1] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 308.352400][ C1] legacy_kthread_func+0x1b6/0x250
[ 308.352421][ C1] ? __pfx_legacy_kthread_func+0x10/0x10
[ 308.352439][ C1] ? __pfx_autoremove_wake_function+0x10/0x10
[ 308.352459][ C1] ? __kthread_parkme+0x7a/0x1f0
[ 308.352481][ C1] kthread+0x388/0x470
[ 308.352500][ C1] ? __pfx_legacy_kthread_func+0x10/0x10
[ 308.352518][ C1] ? __pfx_kthread+0x10/0x10
[ 308.352538][ C1] ret_from_fork+0x514/0xb70
[ 308.352555][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 308.352572][ C1] ? __switch_to+0xc79/0x1410
[ 308.352595][ C1] ? __pfx_kthread+0x10/0x10
[ 308.352615][ C1] ret_from_fork_asm+0x1a/0x30
[ 308.352641][ C1]
[ 308.364000][ T38] Kernel panic - not syncing: hung_task: blocked tasks
[ 308.364022][ T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 308.364045][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 308.364057][ T38] Call Trace:
[ 308.364066][ T38]
[ 308.364074][ T38] vpanic+0x56c/0xa60
[ 308.364101][ T38] ? __pfx___schedule+0x10/0x10
[ 308.364127][ T38] ? __pfx_vpanic+0x10/0x10
[ 308.364156][ T38] panic+0xc5/0xd0
[ 308.364176][ T38] ? __pfx_panic+0x10/0x10
[ 308.364198][ T38] ? preempt_schedule_thunk+0x16/0x30
[ 308.364230][ T38] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 308.364255][ T38] watchdog+0x102c/0x1030
[ 308.364283][ T38] ? watchdog+0x1c9/0x1030
[ 308.364308][ T38] kthread+0x388/0x470
[ 308.364332][ T38] ? __pfx_watchdog+0x10/0x10
[ 308.364351][ T38] ? __pfx_kthread+0x10/0x10
[ 308.364379][ T38] ret_from_fork+0x514/0xb70
[ 308.364402][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 308.364423][ T38] ? __switch_to+0xc79/0x1410
[ 308.364452][ T38] ? __pfx_kthread+0x10/0x10
[ 308.364476][ T38] ret_from_fork_asm+0x1a/0x30
[ 308.364513][ T38]
[ 308.364892][ T38] Kernel Offset: disabled