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
[ 277.648735][ T7440] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.648756][ T7440] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 277.648771][ T7440] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 277.648785][ T7440] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 277.648798][ T7440] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 277.648810][ T7440] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 277.648839][ T7440]
[ 277.648886][ T7440] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.648903][ T7440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.203634][ T7444] loop1: detected capacity change from 0 to 32768
[ 278.216598][ T7444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.216621][ T7444] CPU: 1 UID: 0 PID: 7444 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 278.216653][ T7444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 278.216665][ T7444] Call Trace:
[ 278.216673][ T7444]
[ 278.216683][ T7444] dump_stack_lvl+0xe8/0x150
[ 278.216710][ T7444] sysfs_create_dir_ns+0x271/0x2a0
[ 278.216733][ T7444] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 278.216758][ T7444] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 278.216784][ T7444] ? rt_spin_unlock+0x160/0x200
[ 278.216807][ T7444] kobject_add_internal+0x631/0xd10
[ 278.216833][ T7444] kobject_init_and_add+0x12b/0x1a0
[ 278.216857][ T7444] ? __pfx_kobject_init_and_add+0x10/0x10
[ 278.216877][ T7444] ? __raw_spin_lock_init+0x45/0x100
[ 278.216901][ T7444] ? __init_swait_queue_head+0xa9/0x150
[ 278.216926][ T7444] gfs2_sys_fs_add+0x257/0x480
[ 278.216949][ T7444] ? is_dynamic_key+0x1ac/0x1c0
[ 278.216972][ T7444] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 278.217003][ T7444] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 278.217045][ T7444] gfs2_fill_super+0x141c/0x2220
[ 278.217075][ T7444] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.217091][ T7444] ? rt_spin_unlock+0x14f/0x200
[ 278.217115][ T7444] ? sb_set_blocksize+0x11b/0x210
[ 278.217134][ T7444] ? setup_bdev_super+0x4c1/0x5b0
[ 278.217164][ T7444] get_tree_bdev_flags+0x431/0x4f0
[ 278.217189][ T7444] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.217207][ T7444] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.217232][ T7444] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.217269][ T7444] gfs2_get_tree+0x51/0x1e0
[ 278.217293][ T7444] vfs_get_tree+0x92/0x2a0
[ 278.217322][ T7444] do_new_mount+0x341/0xd30
[ 278.217342][ T7444] ? apparmor_capable+0x126/0x170
[ 278.217370][ T7444] ? __pfx_do_new_mount+0x10/0x10
[ 278.217392][ T7444] ? ns_capable+0x89/0xe0
[ 278.217416][ T7444] ? user_path_at+0xd4/0x160
[ 278.217446][ T7444] ? user_path_at+0xd4/0x160
[ 278.217471][ T7444] __se_sys_mount+0x31d/0x420
[ 278.217498][ T7444] ? __pfx___se_sys_mount+0x10/0x10
[ 278.217525][ T7444] ? __x64_sys_mount+0x20/0xc0
[ 278.217545][ T7444] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.217564][ T7444] do_syscall_64+0x15f/0xf80
[ 278.217588][ T7444] ? trace_irq_disable+0x3b/0x140
[ 278.217608][ T7444] ? clear_bhb_loop+0x40/0x90
[ 278.217632][ T7444] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.217658][ T7444] RIP: 0033:0x7f423eceb60a
[ 278.217675][ T7444] 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
[ 278.217690][ T7444] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.217710][ T7444] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 278.217724][ T7444] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 278.217737][ T7444] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 278.217748][ T7444] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 278.217759][ T7444] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 278.217783][ T7444]
[ 278.221530][ T7444] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.221551][ T7444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.763040][ T7448] loop1: detected capacity change from 0 to 32768
[ 278.769876][ T7448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.769897][ T7448] CPU: 1 UID: 0 PID: 7448 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 278.769917][ T7448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 278.769926][ T7448] Call Trace:
[ 278.769932][ T7448]
[ 278.769938][ T7448] dump_stack_lvl+0xe8/0x150
[ 278.769962][ T7448] sysfs_create_dir_ns+0x271/0x2a0
[ 278.769982][ T7448] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 278.770001][ T7448] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 278.770022][ T7448] ? rt_spin_unlock+0x160/0x200
[ 278.770042][ T7448] kobject_add_internal+0x631/0xd10
[ 278.770066][ T7448] kobject_init_and_add+0x12b/0x1a0
[ 278.770085][ T7448] ? __pfx_kobject_init_and_add+0x10/0x10
[ 278.770100][ T7448] ? __raw_spin_lock_init+0x45/0x100
[ 278.770118][ T7448] ? __init_swait_queue_head+0xa9/0x150
[ 278.770138][ T7448] gfs2_sys_fs_add+0x257/0x480
[ 278.770156][ T7448] ? is_dynamic_key+0x1ac/0x1c0
[ 278.770176][ T7448] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 278.770213][ T7448] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 278.770244][ T7448] gfs2_fill_super+0x141c/0x2220
[ 278.770270][ T7448] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.770282][ T7448] ? rt_spin_unlock+0x14f/0x200
[ 278.770304][ T7448] ? sb_set_blocksize+0x11b/0x210
[ 278.770321][ T7448] ? setup_bdev_super+0x4c1/0x5b0
[ 278.770347][ T7448] get_tree_bdev_flags+0x431/0x4f0
[ 278.770370][ T7448] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.770386][ T7448] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.770405][ T7448] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.770437][ T7448] gfs2_get_tree+0x51/0x1e0
[ 278.770453][ T7448] vfs_get_tree+0x92/0x2a0
[ 278.770476][ T7448] do_new_mount+0x341/0xd30
[ 278.770491][ T7448] ? apparmor_capable+0x126/0x170
[ 278.770512][ T7448] ? __pfx_do_new_mount+0x10/0x10
[ 278.770529][ T7448] ? ns_capable+0x89/0xe0
[ 278.770548][ T7448] ? user_path_at+0xd4/0x160
[ 278.770572][ T7448] ? user_path_at+0xd4/0x160
[ 278.770594][ T7448] __se_sys_mount+0x31d/0x420
[ 278.770624][ T7448] ? __pfx___se_sys_mount+0x10/0x10
[ 278.770646][ T7448] ? __x64_sys_mount+0x20/0xc0
[ 278.770662][ T7448] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.770678][ T7448] do_syscall_64+0x15f/0xf80
[ 278.770699][ T7448] ? trace_irq_disable+0x3b/0x140
[ 278.770717][ T7448] ? clear_bhb_loop+0x40/0x90
[ 278.770735][ T7448] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.770750][ T7448] RIP: 0033:0x7f423eceb60a
[ 278.770765][ T7448] 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
[ 278.770778][ T7448] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.770795][ T7448] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 278.770806][ T7448] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 278.770818][ T7448] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 278.770829][ T7448] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 278.770840][ T7448] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 278.770864][ T7448]
[ 278.770902][ T7448] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.770915][ T7448] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.264344][ T7452] loop1: detected capacity change from 0 to 32768
[ 279.279018][ T7452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.279040][ T7452] CPU: 1 UID: 0 PID: 7452 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 279.279062][ T7452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 279.279073][ T7452] Call Trace:
[ 279.279081][ T7452]
[ 279.279090][ T7452] dump_stack_lvl+0xe8/0x150
[ 279.279119][ T7452] sysfs_create_dir_ns+0x271/0x2a0
[ 279.279145][ T7452] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 279.279170][ T7452] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 279.279196][ T7452] ? rt_spin_unlock+0x160/0x200
[ 279.279220][ T7452] kobject_add_internal+0x631/0xd10
[ 279.279250][ T7452] kobject_init_and_add+0x12b/0x1a0
[ 279.279276][ T7452] ? __pfx_kobject_init_and_add+0x10/0x10
[ 279.279297][ T7452] ? __raw_spin_lock_init+0x45/0x100
[ 279.279323][ T7452] ? __init_swait_queue_head+0xa9/0x150
[ 279.279349][ T7452] gfs2_sys_fs_add+0x257/0x480
[ 279.279373][ T7452] ? is_dynamic_key+0x1ac/0x1c0
[ 279.279398][ T7452] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 279.279432][ T7452] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 279.279470][ T7452] gfs2_fill_super+0x141c/0x2220
[ 279.279506][ T7452] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.279523][ T7452] ? rt_spin_unlock+0x14f/0x200
[ 279.279550][ T7452] ? sb_set_blocksize+0x11b/0x210
[ 279.279572][ T7452] ? setup_bdev_super+0x4c1/0x5b0
[ 279.279604][ T7452] get_tree_bdev_flags+0x431/0x4f0
[ 279.279639][ T7452] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.279659][ T7452] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 279.279686][ T7452] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 279.279724][ T7452] gfs2_get_tree+0x51/0x1e0
[ 279.279748][ T7452] vfs_get_tree+0x92/0x2a0
[ 279.279779][ T7452] do_new_mount+0x341/0xd30
[ 279.279799][ T7452] ? apparmor_capable+0x126/0x170
[ 279.279826][ T7452] ? __pfx_do_new_mount+0x10/0x10
[ 279.279849][ T7452] ? ns_capable+0x89/0xe0
[ 279.279873][ T7452] ? user_path_at+0xd4/0x160
[ 279.279902][ T7452] ? user_path_at+0xd4/0x160
[ 279.279929][ T7452] __se_sys_mount+0x31d/0x420
[ 279.279959][ T7452] ? __pfx___se_sys_mount+0x10/0x10
[ 279.279988][ T7452] ? __x64_sys_mount+0x20/0xc0
[ 279.280010][ T7452] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.280031][ T7452] do_syscall_64+0x15f/0xf80
[ 279.280058][ T7452] ? trace_irq_disable+0x3b/0x140
[ 279.280081][ T7452] ? clear_bhb_loop+0x40/0x90
[ 279.280105][ T7452] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.280125][ T7452] RIP: 0033:0x7f423eceb60a
[ 279.280144][ T7452] 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
[ 279.280161][ T7452] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.280183][ T7452] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 279.280198][ T7452] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 279.280216][ T7452] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 279.280230][ T7452] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 279.280243][ T7452] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 279.280273][ T7452]
[ 279.281549][ T7452] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.281568][ T7452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.876735][ T7456] loop1: detected capacity change from 0 to 32768
[ 279.887369][ T7456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.887394][ T7456] CPU: 0 UID: 0 PID: 7456 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 279.887416][ T7456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 279.887428][ T7456] Call Trace:
[ 279.887435][ T7456]
[ 279.887443][ T7456] dump_stack_lvl+0xe8/0x150
[ 279.887470][ T7456] sysfs_create_dir_ns+0x271/0x2a0
[ 279.887494][ T7456] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 279.887519][ T7456] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 279.887544][ T7456] ? rt_spin_unlock+0x160/0x200
[ 279.887568][ T7456] kobject_add_internal+0x631/0xd10
[ 279.887597][ T7456] kobject_init_and_add+0x12b/0x1a0
[ 279.887622][ T7456] ? __pfx_kobject_init_and_add+0x10/0x10
[ 279.887644][ T7456] ? __raw_spin_lock_init+0x45/0x100
[ 279.887670][ T7456] ? __init_swait_queue_head+0xa9/0x150
[ 279.887696][ T7456] gfs2_sys_fs_add+0x257/0x480
[ 279.887719][ T7456] ? is_dynamic_key+0x1ac/0x1c0
[ 279.887743][ T7456] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 279.887783][ T7456] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 279.887821][ T7456] gfs2_fill_super+0x141c/0x2220
[ 279.887856][ T7456] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.887874][ T7456] ? rt_spin_unlock+0x14f/0x200
[ 279.887902][ T7456] ? sb_set_blocksize+0x11b/0x210
[ 279.887922][ T7456] ? setup_bdev_super+0x4c1/0x5b0
[ 279.887952][ T7456] get_tree_bdev_flags+0x431/0x4f0
[ 279.887979][ T7456] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.887998][ T7456] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 279.888025][ T7456] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 279.888064][ T7456] gfs2_get_tree+0x51/0x1e0
[ 279.888087][ T7456] vfs_get_tree+0x92/0x2a0
[ 279.888120][ T7456] do_new_mount+0x341/0xd30
[ 279.888140][ T7456] ? apparmor_capable+0x126/0x170
[ 279.888166][ T7456] ? __pfx_do_new_mount+0x10/0x10
[ 279.888188][ T7456] ? ns_capable+0x89/0xe0
[ 279.888211][ T7456] ? user_path_at+0xd4/0x160
[ 279.888238][ T7456] ? user_path_at+0xd4/0x160
[ 279.888263][ T7456] __se_sys_mount+0x31d/0x420
[ 279.888291][ T7456] ? __pfx___se_sys_mount+0x10/0x10
[ 279.888319][ T7456] ? __x64_sys_mount+0x20/0xc0
[ 279.888342][ T7456] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.888363][ T7456] do_syscall_64+0x15f/0xf80
[ 279.888390][ T7456] ? trace_irq_disable+0x3b/0x140
[ 279.888411][ T7456] ? clear_bhb_loop+0x40/0x90
[ 279.888435][ T7456] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.888454][ T7456] RIP: 0033:0x7f423eceb60a
[ 279.888473][ T7456] 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
[ 279.888490][ T7456] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.888511][ T7456] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 279.888526][ T7456] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 279.888540][ T7456] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 279.888554][ T7456] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 279.888568][ T7456] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 279.888597][ T7456]
[ 279.888648][ T7456] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.888664][ T7456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.413462][ T7460] loop1: detected capacity change from 0 to 32768
[ 280.426916][ T7460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.426938][ T7460] CPU: 1 UID: 0 PID: 7460 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 280.426959][ T7460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 280.426971][ T7460] Call Trace:
[ 280.426979][ T7460]
[ 280.426988][ T7460] dump_stack_lvl+0xe8/0x150
[ 280.427017][ T7460] sysfs_create_dir_ns+0x271/0x2a0
[ 280.427045][ T7460] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 280.427067][ T7460] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 280.427092][ T7460] ? rt_spin_unlock+0x160/0x200
[ 280.427115][ T7460] kobject_add_internal+0x631/0xd10
[ 280.427142][ T7460] kobject_init_and_add+0x12b/0x1a0
[ 280.427165][ T7460] ? __pfx_kobject_init_and_add+0x10/0x10
[ 280.427186][ T7460] ? __raw_spin_lock_init+0x45/0x100
[ 280.427210][ T7460] ? __init_swait_queue_head+0xa9/0x150
[ 280.427235][ T7460] gfs2_sys_fs_add+0x257/0x480
[ 280.427256][ T7460] ? is_dynamic_key+0x1ac/0x1c0
[ 280.427278][ T7460] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 280.427308][ T7460] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 280.427344][ T7460] gfs2_fill_super+0x141c/0x2220
[ 280.427376][ T7460] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.427392][ T7460] ? rt_spin_unlock+0x14f/0x200
[ 280.427415][ T7460] ? sb_set_blocksize+0x11b/0x210
[ 280.427435][ T7460] ? setup_bdev_super+0x4c1/0x5b0
[ 280.427465][ T7460] get_tree_bdev_flags+0x431/0x4f0
[ 280.427501][ T7460] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.427519][ T7460] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 280.427546][ T7460] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 280.427583][ T7460] gfs2_get_tree+0x51/0x1e0
[ 280.427605][ T7460] vfs_get_tree+0x92/0x2a0
[ 280.427633][ T7460] do_new_mount+0x341/0xd30
[ 280.427652][ T7460] ? apparmor_capable+0x126/0x170
[ 280.427678][ T7460] ? __pfx_do_new_mount+0x10/0x10
[ 280.427699][ T7460] ? ns_capable+0x89/0xe0
[ 280.427720][ T7460] ? user_path_at+0xd4/0x160
[ 280.427747][ T7460] ? user_path_at+0xd4/0x160
[ 280.427772][ T7460] __se_sys_mount+0x31d/0x420
[ 280.427799][ T7460] ? __pfx___se_sys_mount+0x10/0x10
[ 280.427825][ T7460] ? __x64_sys_mount+0x20/0xc0
[ 280.427844][ T7460] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.427864][ T7460] do_syscall_64+0x15f/0xf80
[ 280.427888][ T7460] ? trace_irq_disable+0x3b/0x140
[ 280.427911][ T7460] ? clear_bhb_loop+0x40/0x90
[ 280.427934][ T7460] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.427953][ T7460] RIP: 0033:0x7f423eceb60a
[ 280.427972][ T7460] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 280.427990][ T7460] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.428011][ T7460] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 280.428027][ T7460] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 280.428041][ T7460] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 280.428054][ T7460] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 280.428067][ T7460] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 280.428096][ T7460]
[ 280.428544][ T7460] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.428562][ T7460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.980130][ T7464] loop1: detected capacity change from 0 to 32768
[ 281.006220][ T7464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.006242][ T7464] CPU: 0 UID: 0 PID: 7464 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 281.006263][ T7464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.006274][ T7464] Call Trace:
[ 281.006282][ T7464]
[ 281.006290][ T7464] dump_stack_lvl+0xe8/0x150
[ 281.006318][ T7464] sysfs_create_dir_ns+0x271/0x2a0
[ 281.006342][ T7464] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 281.006367][ T7464] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.006392][ T7464] ? rt_spin_unlock+0x160/0x200
[ 281.006416][ T7464] kobject_add_internal+0x631/0xd10
[ 281.006444][ T7464] kobject_init_and_add+0x12b/0x1a0
[ 281.006469][ T7464] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.006502][ T7464] ? __raw_spin_lock_init+0x45/0x100
[ 281.006528][ T7464] ? __init_swait_queue_head+0xa9/0x150
[ 281.006554][ T7464] gfs2_sys_fs_add+0x257/0x480
[ 281.006578][ T7464] ? is_dynamic_key+0x1ac/0x1c0
[ 281.006602][ T7464] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.006631][ T7464] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.006676][ T7464] gfs2_fill_super+0x141c/0x2220
[ 281.006709][ T7464] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.006726][ T7464] ? rt_spin_unlock+0x14f/0x200
2026/04/26 11:02:21 executed programs: 183
[ 281.006750][ T7464] ? sb_set_blocksize+0x11b/0x210
[ 281.006770][ T7464] ? setup_bdev_super+0x4c1/0x5b0
[ 281.006801][ T7464] get_tree_bdev_flags+0x431/0x4f0
[ 281.006828][ T7464] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.006848][ T7464] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.006873][ T7464] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 281.006912][ T7464] gfs2_get_tree+0x51/0x1e0
[ 281.006935][ T7464] vfs_get_tree+0x92/0x2a0
[ 281.006965][ T7464] do_new_mount+0x341/0xd30
[ 281.006987][ T7464] ? apparmor_capable+0x126/0x170
[ 281.007014][ T7464] ? __pfx_do_new_mount+0x10/0x10
[ 281.007036][ T7464] ? ns_capable+0x89/0xe0
[ 281.007058][ T7464] ? user_path_at+0xd4/0x160
[ 281.007084][ T7464] ? user_path_at+0xd4/0x160
[ 281.007109][ T7464] __se_sys_mount+0x31d/0x420
[ 281.007138][ T7464] ? __pfx___se_sys_mount+0x10/0x10
[ 281.007166][ T7464] ? __x64_sys_mount+0x20/0xc0
[ 281.007187][ T7464] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.007207][ T7464] do_syscall_64+0x15f/0xf80
[ 281.007232][ T7464] ? trace_irq_disable+0x3b/0x140
[ 281.007254][ T7464] ? clear_bhb_loop+0x40/0x90
[ 281.007277][ T7464] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.007296][ T7464] RIP: 0033:0x7f423eceb60a
[ 281.007315][ T7464] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 281.007331][ T7464] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.007352][ T7464] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 281.007367][ T7464] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 281.007381][ T7464] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 281.007393][ T7464] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 281.007406][ T7464] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 281.007437][ T7464]
[ 281.077400][ T7464] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.077422][ T7464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.592352][ T7468] loop1: detected capacity change from 0 to 32768
[ 281.599980][ T7468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.600002][ T7468] CPU: 1 UID: 0 PID: 7468 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 281.600023][ T7468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.600035][ T7468] Call Trace:
[ 281.600043][ T7468]
[ 281.600051][ T7468] dump_stack_lvl+0xe8/0x150
[ 281.600079][ T7468] sysfs_create_dir_ns+0x271/0x2a0
[ 281.600104][ T7468] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 281.600128][ T7468] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.600154][ T7468] ? rt_spin_unlock+0x160/0x200
[ 281.600178][ T7468] kobject_add_internal+0x631/0xd10
[ 281.600206][ T7468] kobject_init_and_add+0x12b/0x1a0
[ 281.600229][ T7468] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.600250][ T7468] ? __raw_spin_lock_init+0x45/0x100
[ 281.600275][ T7468] ? __init_swait_queue_head+0xa9/0x150
[ 281.600300][ T7468] gfs2_sys_fs_add+0x257/0x480
[ 281.600322][ T7468] ? is_dynamic_key+0x1ac/0x1c0
[ 281.600346][ T7468] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.600378][ T7468] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.600414][ T7468] gfs2_fill_super+0x141c/0x2220
[ 281.600447][ T7468] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.600464][ T7468] ? rt_spin_unlock+0x14f/0x200
[ 281.600494][ T7468] ? sb_set_blocksize+0x11b/0x210
[ 281.600515][ T7468] ? setup_bdev_super+0x4c1/0x5b0
[ 281.600544][ T7468] get_tree_bdev_flags+0x431/0x4f0
[ 281.600570][ T7468] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.600589][ T7468] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.600614][ T7468] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 281.600658][ T7468] gfs2_get_tree+0x51/0x1e0
[ 281.600680][ T7468] vfs_get_tree+0x92/0x2a0
[ 281.600709][ T7468] do_new_mount+0x341/0xd30
[ 281.600729][ T7468] ? apparmor_capable+0x126/0x170
[ 281.600755][ T7468] ? __pfx_do_new_mount+0x10/0x10
[ 281.600777][ T7468] ? ns_capable+0x89/0xe0
[ 281.600800][ T7468] ? user_path_at+0xd4/0x160
[ 281.600828][ T7468] ? user_path_at+0xd4/0x160
[ 281.600854][ T7468] __se_sys_mount+0x31d/0x420
[ 281.600882][ T7468] ? __pfx___se_sys_mount+0x10/0x10
[ 281.600910][ T7468] ? __x64_sys_mount+0x20/0xc0
[ 281.600932][ T7468] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.600953][ T7468] do_syscall_64+0x15f/0xf80
[ 281.600977][ T7468] ? trace_irq_disable+0x3b/0x140
[ 281.600999][ T7468] ? clear_bhb_loop+0x40/0x90
[ 281.601022][ T7468] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.601041][ T7468] RIP: 0033:0x7f423eceb60a
[ 281.601059][ T7468] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 281.601076][ T7468] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.601096][ T7468] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 281.601111][ T7468] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 281.601125][ T7468] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 281.601138][ T7468] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 281.601151][ T7468] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 281.601180][ T7468]
[ 281.602235][ T7468] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.602254][ T7468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.130847][ T7472] loop1: detected capacity change from 0 to 32768
[ 282.146765][ T7472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.146787][ T7472] CPU: 1 UID: 0 PID: 7472 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 282.146808][ T7472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 282.146819][ T7472] Call Trace:
[ 282.146826][ T7472]
[ 282.146833][ T7472] dump_stack_lvl+0xe8/0x150
[ 282.146860][ T7472] sysfs_create_dir_ns+0x271/0x2a0
[ 282.146884][ T7472] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 282.146907][ T7472] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 282.146934][ T7472] ? rt_spin_unlock+0x160/0x200
[ 282.146956][ T7472] kobject_add_internal+0x631/0xd10
[ 282.146980][ T7472] kobject_init_and_add+0x12b/0x1a0
[ 282.147002][ T7472] ? __pfx_kobject_init_and_add+0x10/0x10
[ 282.147022][ T7472] ? __raw_spin_lock_init+0x45/0x100
[ 282.147050][ T7472] ? __init_swait_queue_head+0xa9/0x150
[ 282.147074][ T7472] gfs2_sys_fs_add+0x257/0x480
[ 282.147096][ T7472] ? is_dynamic_key+0x1ac/0x1c0
[ 282.147118][ T7472] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 282.147149][ T7472] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 282.147186][ T7472] gfs2_fill_super+0x141c/0x2220
[ 282.147218][ T7472] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.147234][ T7472] ? rt_spin_unlock+0x14f/0x200
[ 282.147258][ T7472] ? sb_set_blocksize+0x11b/0x210
[ 282.147278][ T7472] ? setup_bdev_super+0x4c1/0x5b0
[ 282.147310][ T7472] get_tree_bdev_flags+0x431/0x4f0
[ 282.147336][ T7472] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.147354][ T7472] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 282.147378][ T7472] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 282.147413][ T7472] gfs2_get_tree+0x51/0x1e0
[ 282.147435][ T7472] vfs_get_tree+0x92/0x2a0
[ 282.147462][ T7472] do_new_mount+0x341/0xd30
[ 282.147481][ T7472] ? apparmor_capable+0x126/0x170
[ 282.147504][ T7472] ? __pfx_do_new_mount+0x10/0x10
[ 282.147522][ T7472] ? ns_capable+0x89/0xe0
[ 282.147541][ T7472] ? user_path_at+0xd4/0x160
[ 282.147572][ T7472] ? user_path_at+0xd4/0x160
[ 282.147594][ T7472] __se_sys_mount+0x31d/0x420
[ 282.147617][ T7472] ? __pfx___se_sys_mount+0x10/0x10
[ 282.147639][ T7472] ? __x64_sys_mount+0x20/0xc0
[ 282.147657][ T7472] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.147674][ T7472] do_syscall_64+0x15f/0xf80
[ 282.147697][ T7472] ? trace_irq_disable+0x3b/0x140
[ 282.147715][ T7472] ? clear_bhb_loop+0x40/0x90
[ 282.147734][ T7472] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.147750][ T7472] RIP: 0033:0x7f423eceb60a
[ 282.147766][ T7472] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 282.147779][ T7472] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.147797][ T7472] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 282.147809][ T7472] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 282.147821][ T7472] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 282.147832][ T7472] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 282.147843][ T7472] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 282.147867][ T7472]
[ 282.151579][ T7472] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.151599][ T7472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.701871][ T7476] loop1: detected capacity change from 0 to 32768
[ 282.720838][ T7476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.720855][ T7476] CPU: 1 UID: 0 PID: 7476 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 282.720868][ T7476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 282.720875][ T7476] Call Trace:
[ 282.720879][ T7476]
[ 282.720884][ T7476] dump_stack_lvl+0xe8/0x150
[ 282.720902][ T7476] sysfs_create_dir_ns+0x271/0x2a0
[ 282.720916][ T7476] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 282.720931][ T7476] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 282.720946][ T7476] ? rt_spin_unlock+0x160/0x200
[ 282.720959][ T7476] kobject_add_internal+0x631/0xd10
[ 282.720975][ T7476] kobject_init_and_add+0x12b/0x1a0
[ 282.720988][ T7476] ? __pfx_kobject_init_and_add+0x10/0x10
[ 282.720999][ T7476] ? __raw_spin_lock_init+0x45/0x100
[ 282.721014][ T7476] ? __init_swait_queue_head+0xa9/0x150
[ 282.721029][ T7476] gfs2_sys_fs_add+0x257/0x480
[ 282.721042][ T7476] ? is_dynamic_key+0x1ac/0x1c0
[ 282.721056][ T7476] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 282.721074][ T7476] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 282.721095][ T7476] gfs2_fill_super+0x141c/0x2220
[ 282.721113][ T7476] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.721122][ T7476] ? rt_spin_unlock+0x14f/0x200
[ 282.721137][ T7476] ? sb_set_blocksize+0x11b/0x210
[ 282.721156][ T7476] ? setup_bdev_super+0x4c1/0x5b0
[ 282.721173][ T7476] get_tree_bdev_flags+0x431/0x4f0
[ 282.721189][ T7476] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.721199][ T7476] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 282.721214][ T7476] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 282.721234][ T7476] gfs2_get_tree+0x51/0x1e0
[ 282.721246][ T7476] vfs_get_tree+0x92/0x2a0
[ 282.721262][ T7476] do_new_mount+0x341/0xd30
[ 282.721274][ T7476] ? apparmor_capable+0x126/0x170
[ 282.721292][ T7476] ? __pfx_do_new_mount+0x10/0x10
[ 282.721304][ T7476] ? ns_capable+0x89/0xe0
[ 282.721317][ T7476] ? user_path_at+0xd4/0x160
[ 282.721333][ T7476] ? user_path_at+0xd4/0x160
[ 282.721347][ T7476] __se_sys_mount+0x31d/0x420
[ 282.721363][ T7476] ? __pfx___se_sys_mount+0x10/0x10
[ 282.721379][ T7476] ? __x64_sys_mount+0x20/0xc0
[ 282.721391][ T7476] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.721403][ T7476] do_syscall_64+0x15f/0xf80
[ 282.721418][ T7476] ? trace_irq_disable+0x3b/0x140
[ 282.721431][ T7476] ? clear_bhb_loop+0x40/0x90
[ 282.721444][ T7476] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.721454][ T7476] RIP: 0033:0x7f423eceb60a
[ 282.721466][ T7476] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 282.721476][ T7476] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.721488][ T7476] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 282.721496][ T7476] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 282.721504][ T7476] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 282.721511][ T7476] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 282.721519][ T7476] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 282.721541][ T7476]
[ 282.721556][ T7476] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.721565][ T7476] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.263029][ T7480] loop1: detected capacity change from 0 to 32768
[ 283.286667][ T7480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.286683][ T7480] CPU: 1 UID: 0 PID: 7480 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 283.286697][ T7480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.286704][ T7480] Call Trace:
[ 283.286708][ T7480]
[ 283.286713][ T7480] dump_stack_lvl+0xe8/0x150
[ 283.286731][ T7480] sysfs_create_dir_ns+0x271/0x2a0
[ 283.286746][ T7480] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 283.286762][ T7480] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 283.286777][ T7480] ? rt_spin_unlock+0x160/0x200
[ 283.286790][ T7480] kobject_add_internal+0x631/0xd10
[ 283.286805][ T7480] kobject_init_and_add+0x12b/0x1a0
[ 283.286818][ T7480] ? __pfx_kobject_init_and_add+0x10/0x10
[ 283.286829][ T7480] ? __raw_spin_lock_init+0x45/0x100
[ 283.286844][ T7480] ? __init_swait_queue_head+0xa9/0x150
[ 283.286858][ T7480] gfs2_sys_fs_add+0x257/0x480
[ 283.286872][ T7480] ? is_dynamic_key+0x1ac/0x1c0
[ 283.286885][ T7480] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 283.286903][ T7480] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 283.286924][ T7480] gfs2_fill_super+0x141c/0x2220
[ 283.286942][ T7480] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.286953][ T7480] ? rt_spin_unlock+0x14f/0x200
[ 283.286979][ T7480] ? sb_set_blocksize+0x11b/0x210
[ 283.286994][ T7480] ? setup_bdev_super+0x4c1/0x5b0
[ 283.287012][ T7480] get_tree_bdev_flags+0x431/0x4f0
[ 283.287027][ T7480] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.287038][ T7480] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 283.287066][ T7480] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 283.287099][ T7480] gfs2_get_tree+0x51/0x1e0
[ 283.287120][ T7480] vfs_get_tree+0x92/0x2a0
[ 283.287147][ T7480] do_new_mount+0x341/0xd30
[ 283.287166][ T7480] ? apparmor_capable+0x126/0x170
[ 283.287191][ T7480] ? __pfx_do_new_mount+0x10/0x10
[ 283.287211][ T7480] ? ns_capable+0x89/0xe0
[ 283.287233][ T7480] ? user_path_at+0xd4/0x160
[ 283.287258][ T7480] ? user_path_at+0xd4/0x160
[ 283.287282][ T7480] __se_sys_mount+0x31d/0x420
[ 283.287310][ T7480] ? __pfx___se_sys_mount+0x10/0x10
[ 283.287334][ T7480] ? __x64_sys_mount+0x20/0xc0
[ 283.287346][ T7480] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.287358][ T7480] do_syscall_64+0x15f/0xf80
[ 283.287373][ T7480] ? trace_irq_disable+0x3b/0x140
[ 283.287386][ T7480] ? clear_bhb_loop+0x40/0x90
[ 283.287399][ T7480] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.287410][ T7480] RIP: 0033:0x7f423eceb60a
[ 283.287422][ T7480] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 283.287432][ T7480] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.287445][ T7480] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 283.287453][ T7480] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 283.287461][ T7480] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 283.287468][ T7480] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 283.287476][ T7480] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 283.287492][ T7480]
[ 283.289742][ T7480] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.289766][ T7480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.831679][ T7484] loop1: detected capacity change from 0 to 32768
[ 283.849741][ T7484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.849764][ T7484] CPU: 1 UID: 0 PID: 7484 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 283.849785][ T7484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.849796][ T7484] Call Trace:
[ 283.849804][ T7484]
[ 283.849813][ T7484] dump_stack_lvl+0xe8/0x150
[ 283.849842][ T7484] sysfs_create_dir_ns+0x271/0x2a0
[ 283.849861][ T7484] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 283.849876][ T7484] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 283.849891][ T7484] ? rt_spin_unlock+0x160/0x200
[ 283.849904][ T7484] kobject_add_internal+0x631/0xd10
[ 283.849919][ T7484] kobject_init_and_add+0x12b/0x1a0
[ 283.849932][ T7484] ? __pfx_kobject_init_and_add+0x10/0x10
[ 283.849944][ T7484] ? __raw_spin_lock_init+0x45/0x100
[ 283.849958][ T7484] ? __init_swait_queue_head+0xa9/0x150
[ 283.849972][ T7484] gfs2_sys_fs_add+0x257/0x480
[ 283.849986][ T7484] ? is_dynamic_key+0x1ac/0x1c0
[ 283.849999][ T7484] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 283.850017][ T7484] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 283.850038][ T7484] gfs2_fill_super+0x141c/0x2220
[ 283.850056][ T7484] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.850066][ T7484] ? rt_spin_unlock+0x14f/0x200
[ 283.850080][ T7484] ? sb_set_blocksize+0x11b/0x210
[ 283.850097][ T7484] ? setup_bdev_super+0x4c1/0x5b0
[ 283.850116][ T7484] get_tree_bdev_flags+0x431/0x4f0
[ 283.850131][ T7484] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.850142][ T7484] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 283.850156][ T7484] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 283.850184][ T7484] gfs2_get_tree+0x51/0x1e0
[ 283.850202][ T7484] vfs_get_tree+0x92/0x2a0
[ 283.850226][ T7484] do_new_mount+0x341/0xd30
[ 283.850242][ T7484] ? apparmor_capable+0x126/0x170
[ 283.850257][ T7484] ? __pfx_do_new_mount+0x10/0x10
[ 283.850269][ T7484] ? ns_capable+0x89/0xe0
[ 283.850283][ T7484] ? user_path_at+0xd4/0x160
[ 283.850299][ T7484] ? user_path_at+0xd4/0x160
[ 283.850314][ T7484] __se_sys_mount+0x31d/0x420
[ 283.850330][ T7484] ? __pfx___se_sys_mount+0x10/0x10
[ 283.850345][ T7484] ? __x64_sys_mount+0x20/0xc0
[ 283.850357][ T7484] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.850369][ T7484] do_syscall_64+0x15f/0xf80
[ 283.850384][ T7484] ? trace_irq_disable+0x3b/0x140
[ 283.850397][ T7484] ? clear_bhb_loop+0x40/0x90
[ 283.850409][ T7484] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.850426][ T7484] RIP: 0033:0x7f423eceb60a
[ 283.850438][ T7484] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 283.850448][ T7484] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.850460][ T7484] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 283.850468][ T7484] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 283.850476][ T7484] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 283.850483][ T7484] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 283.850491][ T7484] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 283.850506][ T7484]
[ 283.850522][ T7484] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.850531][ T7484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.408986][ T7488] loop1: detected capacity change from 0 to 32768
[ 284.424693][ T7488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.424709][ T7488] CPU: 1 UID: 0 PID: 7488 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 284.424723][ T7488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 284.424730][ T7488] Call Trace:
[ 284.424734][ T7488]
[ 284.424739][ T7488] dump_stack_lvl+0xe8/0x150
[ 284.424758][ T7488] sysfs_create_dir_ns+0x271/0x2a0
[ 284.424772][ T7488] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 284.424793][ T7488] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 284.424819][ T7488] ? rt_spin_unlock+0x160/0x200
[ 284.424837][ T7488] kobject_add_internal+0x631/0xd10
[ 284.424853][ T7488] kobject_init_and_add+0x12b/0x1a0
[ 284.424870][ T7488] ? __pfx_kobject_init_and_add+0x10/0x10
[ 284.424881][ T7488] ? __raw_spin_lock_init+0x45/0x100
[ 284.424895][ T7488] ? __init_swait_queue_head+0xa9/0x150
[ 284.424910][ T7488] gfs2_sys_fs_add+0x257/0x480
[ 284.424923][ T7488] ? is_dynamic_key+0x1ac/0x1c0
[ 284.424937][ T7488] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 284.424955][ T7488] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 284.424980][ T7488] gfs2_fill_super+0x141c/0x2220
[ 284.424998][ T7488] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.425007][ T7488] ? rt_spin_unlock+0x14f/0x200
[ 284.425022][ T7488] ? sb_set_blocksize+0x11b/0x210
[ 284.425034][ T7488] ? setup_bdev_super+0x4c1/0x5b0
[ 284.425051][ T7488] get_tree_bdev_flags+0x431/0x4f0
[ 284.425067][ T7488] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.425077][ T7488] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 284.425092][ T7488] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 284.425119][ T7488] gfs2_get_tree+0x51/0x1e0
[ 284.425131][ T7488] vfs_get_tree+0x92/0x2a0
[ 284.425148][ T7488] do_new_mount+0x341/0xd30
[ 284.425160][ T7488] ? apparmor_capable+0x126/0x170
[ 284.425174][ T7488] ? __pfx_do_new_mount+0x10/0x10
[ 284.425186][ T7488] ? ns_capable+0x89/0xe0
[ 284.425200][ T7488] ? user_path_at+0xd4/0x160
[ 284.425216][ T7488] ? user_path_at+0xd4/0x160
[ 284.425231][ T7488] __se_sys_mount+0x31d/0x420
[ 284.425247][ T7488] ? __pfx___se_sys_mount+0x10/0x10
[ 284.425262][ T7488] ? __x64_sys_mount+0x20/0xc0
[ 284.425274][ T7488] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.425286][ T7488] do_syscall_64+0x15f/0xf80
[ 284.425300][ T7488] ? trace_irq_disable+0x3b/0x140
[ 284.425313][ T7488] ? clear_bhb_loop+0x40/0x90
[ 284.425326][ T7488] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.425337][ T7488] RIP: 0033:0x7f423eceb60a
[ 284.425349][ T7488] 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
[ 284.425358][ T7488] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.425376][ T7488] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 284.425384][ T7488] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 284.425392][ T7488] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 284.425399][ T7488] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 284.425407][ T7488] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 284.425423][ T7488]
[ 284.425445][ T7488] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.425455][ T7488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.954817][ T7492] loop1: detected capacity change from 0 to 32768
[ 284.967964][ T7492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.967986][ T7492] CPU: 0 UID: 0 PID: 7492 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 284.968007][ T7492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 284.968019][ T7492] Call Trace:
[ 284.968027][ T7492]
[ 284.968036][ T7492] dump_stack_lvl+0xe8/0x150
[ 284.968065][ T7492] sysfs_create_dir_ns+0x271/0x2a0
[ 284.968102][ T7492] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 284.968127][ T7492] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 284.968152][ T7492] ? rt_spin_unlock+0x160/0x200
[ 284.968176][ T7492] kobject_add_internal+0x631/0xd10
[ 284.968205][ T7492] kobject_init_and_add+0x12b/0x1a0
[ 284.968230][ T7492] ? __pfx_kobject_init_and_add+0x10/0x10
[ 284.968251][ T7492] ? __raw_spin_lock_init+0x45/0x100
[ 284.968275][ T7492] ? __init_swait_queue_head+0xa9/0x150
[ 284.968300][ T7492] gfs2_sys_fs_add+0x257/0x480
[ 284.968324][ T7492] ? is_dynamic_key+0x1ac/0x1c0
[ 284.968347][ T7492] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 284.968381][ T7492] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 284.968423][ T7492] gfs2_fill_super+0x141c/0x2220
[ 284.968458][ T7492] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.968475][ T7492] ? rt_spin_unlock+0x14f/0x200
[ 284.968501][ T7492] ? sb_set_blocksize+0x11b/0x210
[ 284.968522][ T7492] ? setup_bdev_super+0x4c1/0x5b0
[ 284.968552][ T7492] get_tree_bdev_flags+0x431/0x4f0
[ 284.968579][ T7492] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.968597][ T7492] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 284.968623][ T7492] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 284.968660][ T7492] gfs2_get_tree+0x51/0x1e0
[ 284.968682][ T7492] vfs_get_tree+0x92/0x2a0
[ 284.968712][ T7492] do_new_mount+0x341/0xd30
[ 284.968732][ T7492] ? apparmor_capable+0x126/0x170
[ 284.968758][ T7492] ? __pfx_do_new_mount+0x10/0x10
[ 284.968781][ T7492] ? ns_capable+0x89/0xe0
[ 284.968805][ T7492] ? user_path_at+0xd4/0x160
[ 284.968833][ T7492] ? user_path_at+0xd4/0x160
[ 284.968860][ T7492] __se_sys_mount+0x31d/0x420
[ 284.968888][ T7492] ? __pfx___se_sys_mount+0x10/0x10
[ 284.968917][ T7492] ? __x64_sys_mount+0x20/0xc0
[ 284.968940][ T7492] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.968960][ T7492] do_syscall_64+0x15f/0xf80
[ 284.968985][ T7492] ? trace_irq_disable+0x3b/0x140
[ 284.969008][ T7492] ? clear_bhb_loop+0x40/0x90
[ 284.969031][ T7492] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.969051][ T7492] RIP: 0033:0x7f423eceb60a
[ 284.969071][ T7492] 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
[ 284.969098][ T7492] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.969120][ T7492] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 284.969134][ T7492] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 284.969149][ T7492] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 284.969162][ T7492] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 284.969175][ T7492] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 284.969204][ T7492]
[ 284.969288][ T7492] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.969305][ T7492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.521321][ T7496] loop1: detected capacity change from 0 to 32768
[ 285.535835][ T7496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.535858][ T7496] CPU: 1 UID: 0 PID: 7496 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 285.535878][ T7496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 285.535890][ T7496] Call Trace:
[ 285.535897][ T7496]
[ 285.535906][ T7496] dump_stack_lvl+0xe8/0x150
[ 285.535933][ T7496] sysfs_create_dir_ns+0x271/0x2a0
[ 285.535958][ T7496] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 285.535982][ T7496] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 285.536016][ T7496] ? rt_spin_unlock+0x160/0x200
[ 285.536039][ T7496] kobject_add_internal+0x631/0xd10
[ 285.536067][ T7496] kobject_init_and_add+0x12b/0x1a0
[ 285.536091][ T7496] ? __pfx_kobject_init_and_add+0x10/0x10
[ 285.536112][ T7496] ? __raw_spin_lock_init+0x45/0x100
[ 285.536136][ T7496] ? __init_swait_queue_head+0xa9/0x150
[ 285.536161][ T7496] gfs2_sys_fs_add+0x257/0x480
[ 285.536184][ T7496] ? is_dynamic_key+0x1ac/0x1c0
[ 285.536208][ T7496] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 285.536240][ T7496] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 285.536278][ T7496] gfs2_fill_super+0x141c/0x2220
[ 285.536314][ T7496] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.536331][ T7496] ? rt_spin_unlock+0x14f/0x200
[ 285.536355][ T7496] ? sb_set_blocksize+0x11b/0x210
[ 285.536376][ T7496] ? setup_bdev_super+0x4c1/0x5b0
[ 285.536407][ T7496] get_tree_bdev_flags+0x431/0x4f0
[ 285.536435][ T7496] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.536455][ T7496] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 285.536481][ T7496] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 285.536517][ T7496] gfs2_get_tree+0x51/0x1e0
[ 285.536539][ T7496] vfs_get_tree+0x92/0x2a0
[ 285.536569][ T7496] do_new_mount+0x341/0xd30
[ 285.536589][ T7496] ? apparmor_capable+0x126/0x170
[ 285.536615][ T7496] ? __pfx_do_new_mount+0x10/0x10
[ 285.536636][ T7496] ? ns_capable+0x89/0xe0
[ 285.536659][ T7496] ? user_path_at+0xd4/0x160
[ 285.536688][ T7496] ? user_path_at+0xd4/0x160
[ 285.536722][ T7496] __se_sys_mount+0x31d/0x420
[ 285.536756][ T7496] ? __pfx___se_sys_mount+0x10/0x10
[ 285.536784][ T7496] ? __x64_sys_mount+0x20/0xc0
[ 285.536806][ T7496] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.536827][ T7496] do_syscall_64+0x15f/0xf80
[ 285.536854][ T7496] ? trace_irq_disable+0x3b/0x140
[ 285.536876][ T7496] ? clear_bhb_loop+0x40/0x90
[ 285.536899][ T7496] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.536919][ T7496] RIP: 0033:0x7f423eceb60a
[ 285.536938][ T7496] 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
[ 285.536955][ T7496] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.536976][ T7496] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 285.536991][ T7496] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 285.537011][ T7496] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 285.537025][ T7496] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 285.537038][ T7496] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 285.537068][ T7496]
[ 285.541701][ T7496] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.541722][ T7496] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.092773][ T7500] loop1: detected capacity change from 0 to 32768
[ 286.107682][ T7500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.107705][ T7500] CPU: 1 UID: 0 PID: 7500 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 286.107727][ T7500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.107738][ T7500] Call Trace:
[ 286.107746][ T7500]
[ 286.107755][ T7500] dump_stack_lvl+0xe8/0x150
[ 286.107784][ T7500] sysfs_create_dir_ns+0x271/0x2a0
[ 286.107808][ T7500] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 286.107833][ T7500] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 286.107862][ T7500] ? rt_spin_unlock+0x160/0x200
[ 286.107886][ T7500] kobject_add_internal+0x631/0xd10
[ 286.107914][ T7500] kobject_init_and_add+0x12b/0x1a0
2026/04/26 11:02:26 executed programs: 192
[ 286.107939][ T7500] ? __pfx_kobject_init_and_add+0x10/0x10
[ 286.107961][ T7500] ? __raw_spin_lock_init+0x45/0x100
[ 286.107985][ T7500] ? __init_swait_queue_head+0xa9/0x150
[ 286.108012][ T7500] gfs2_sys_fs_add+0x257/0x480
[ 286.108035][ T7500] ? is_dynamic_key+0x1ac/0x1c0
[ 286.108060][ T7500] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 286.108093][ T7500] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 286.108132][ T7500] gfs2_fill_super+0x141c/0x2220
[ 286.108169][ T7500] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.108186][ T7500] ? rt_spin_unlock+0x14f/0x200
[ 286.108212][ T7500] ? sb_set_blocksize+0x11b/0x210
[ 286.108257][ T7500] ? setup_bdev_super+0x4c1/0x5b0
[ 286.108288][ T7500] get_tree_bdev_flags+0x431/0x4f0
[ 286.108315][ T7500] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.108335][ T7500] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 286.108361][ T7500] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 286.108399][ T7500] gfs2_get_tree+0x51/0x1e0
[ 286.108422][ T7500] vfs_get_tree+0x92/0x2a0
[ 286.108451][ T7500] do_new_mount+0x341/0xd30
[ 286.108471][ T7500] ? apparmor_capable+0x126/0x170
[ 286.108498][ T7500] ? __pfx_do_new_mount+0x10/0x10
[ 286.108521][ T7500] ? ns_capable+0x89/0xe0
[ 286.108545][ T7500] ? user_path_at+0xd4/0x160
[ 286.108574][ T7500] ? user_path_at+0xd4/0x160
[ 286.108601][ T7500] __se_sys_mount+0x31d/0x420
[ 286.108631][ T7500] ? __pfx___se_sys_mount+0x10/0x10
[ 286.108661][ T7500] ? __x64_sys_mount+0x20/0xc0
[ 286.108683][ T7500] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.108704][ T7500] do_syscall_64+0x15f/0xf80
[ 286.108730][ T7500] ? trace_irq_disable+0x3b/0x140
[ 286.108753][ T7500] ? clear_bhb_loop+0x40/0x90
[ 286.108777][ T7500] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.108796][ T7500] RIP: 0033:0x7f423eceb60a
[ 286.108815][ T7500] 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
[ 286.108832][ T7500] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.108857][ T7500] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 286.108871][ T7500] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 286.108884][ T7500] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 286.108898][ T7500] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 286.108911][ T7500] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 286.108942][ T7500]
[ 286.110268][ T7500] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.110287][ T7500] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.675122][ T7504] loop1: detected capacity change from 0 to 32768
[ 286.684429][ T7504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.684452][ T7504] CPU: 0 UID: 0 PID: 7504 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 286.684474][ T7504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.684485][ T7504] Call Trace:
[ 286.684493][ T7504]
[ 286.684502][ T7504] dump_stack_lvl+0xe8/0x150
[ 286.684529][ T7504] sysfs_create_dir_ns+0x271/0x2a0
[ 286.684555][ T7504] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 286.684580][ T7504] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 286.684605][ T7504] ? rt_spin_unlock+0x160/0x200
[ 286.684629][ T7504] kobject_add_internal+0x631/0xd10
[ 286.684657][ T7504] kobject_init_and_add+0x12b/0x1a0
[ 286.684683][ T7504] ? __pfx_kobject_init_and_add+0x10/0x10
[ 286.684705][ T7504] ? __raw_spin_lock_init+0x45/0x100
[ 286.684731][ T7504] ? __init_swait_queue_head+0xa9/0x150
[ 286.684757][ T7504] gfs2_sys_fs_add+0x257/0x480
[ 286.684780][ T7504] ? is_dynamic_key+0x1ac/0x1c0
[ 286.684805][ T7504] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 286.684837][ T7504] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 286.684880][ T7504] gfs2_fill_super+0x141c/0x2220
[ 286.684913][ T7504] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.684930][ T7504] ? rt_spin_unlock+0x14f/0x200
[ 286.684956][ T7504] ? sb_set_blocksize+0x11b/0x210
[ 286.684977][ T7504] ? setup_bdev_super+0x4c1/0x5b0
[ 286.685007][ T7504] get_tree_bdev_flags+0x431/0x4f0
[ 286.685035][ T7504] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.685054][ T7504] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 286.685080][ T7504] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 286.685118][ T7504] gfs2_get_tree+0x51/0x1e0
[ 286.685141][ T7504] vfs_get_tree+0x92/0x2a0
[ 286.685179][ T7504] do_new_mount+0x341/0xd30
[ 286.685200][ T7504] ? apparmor_capable+0x126/0x170
[ 286.685227][ T7504] ? __pfx_do_new_mount+0x10/0x10
[ 286.685250][ T7504] ? ns_capable+0x89/0xe0
[ 286.685273][ T7504] ? user_path_at+0xd4/0x160
[ 286.685301][ T7504] ? user_path_at+0xd4/0x160
[ 286.685328][ T7504] __se_sys_mount+0x31d/0x420
[ 286.685357][ T7504] ? __pfx___se_sys_mount+0x10/0x10
[ 286.685387][ T7504] ? __x64_sys_mount+0x20/0xc0
[ 286.685408][ T7504] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.685429][ T7504] do_syscall_64+0x15f/0xf80
[ 286.685455][ T7504] ? trace_irq_disable+0x3b/0x140
[ 286.685478][ T7504] ? clear_bhb_loop+0x40/0x90
[ 286.685501][ T7504] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.685520][ T7504] RIP: 0033:0x7f423eceb60a
[ 286.685540][ T7504] 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
[ 286.685556][ T7504] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.685577][ T7504] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 286.685592][ T7504] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 286.685605][ T7504] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 286.685618][ T7504] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 286.685630][ T7504] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 286.685659][ T7504]
[ 286.685742][ T7504] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.685759][ T7504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.235521][ T7508] loop1: detected capacity change from 0 to 32768
[ 287.255007][ T7508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.255031][ T7508] CPU: 1 UID: 0 PID: 7508 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 287.255052][ T7508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.255064][ T7508] Call Trace:
[ 287.255071][ T7508]
[ 287.255081][ T7508] dump_stack_lvl+0xe8/0x150
[ 287.255110][ T7508] sysfs_create_dir_ns+0x271/0x2a0
[ 287.255135][ T7508] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 287.255168][ T7508] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 287.255194][ T7508] ? rt_spin_unlock+0x160/0x200
[ 287.255218][ T7508] kobject_add_internal+0x631/0xd10
[ 287.255249][ T7508] kobject_init_and_add+0x12b/0x1a0
[ 287.255274][ T7508] ? __pfx_kobject_init_and_add+0x10/0x10
[ 287.255294][ T7508] ? __raw_spin_lock_init+0x45/0x100
[ 287.255318][ T7508] ? __init_swait_queue_head+0xa9/0x150
[ 287.255343][ T7508] gfs2_sys_fs_add+0x257/0x480
[ 287.255367][ T7508] ? is_dynamic_key+0x1ac/0x1c0
[ 287.255392][ T7508] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 287.255424][ T7508] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 287.255461][ T7508] gfs2_fill_super+0x141c/0x2220
[ 287.255495][ T7508] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.255512][ T7508] ? rt_spin_unlock+0x14f/0x200
[ 287.255539][ T7508] ? sb_set_blocksize+0x11b/0x210
[ 287.255561][ T7508] ? setup_bdev_super+0x4c1/0x5b0
[ 287.255590][ T7508] get_tree_bdev_flags+0x431/0x4f0
[ 287.255617][ T7508] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.255637][ T7508] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 287.255663][ T7508] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 287.255700][ T7508] gfs2_get_tree+0x51/0x1e0
[ 287.255722][ T7508] vfs_get_tree+0x92/0x2a0
[ 287.255750][ T7508] do_new_mount+0x341/0xd30
[ 287.255771][ T7508] ? apparmor_capable+0x126/0x170
[ 287.255796][ T7508] ? __pfx_do_new_mount+0x10/0x10
[ 287.255816][ T7508] ? ns_capable+0x89/0xe0
[ 287.255839][ T7508] ? user_path_at+0xd4/0x160
[ 287.255866][ T7508] ? user_path_at+0xd4/0x160
[ 287.255890][ T7508] __se_sys_mount+0x31d/0x420
[ 287.255919][ T7508] ? __pfx___se_sys_mount+0x10/0x10
[ 287.255947][ T7508] ? __x64_sys_mount+0x20/0xc0
[ 287.255969][ T7508] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.255990][ T7508] do_syscall_64+0x15f/0xf80
[ 287.256016][ T7508] ? trace_irq_disable+0x3b/0x140
[ 287.256039][ T7508] ? clear_bhb_loop+0x40/0x90
[ 287.256063][ T7508] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.256083][ T7508] RIP: 0033:0x7f423eceb60a
[ 287.256102][ T7508] 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
[ 287.256120][ T7508] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.256141][ T7508] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 287.256164][ T7508] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 287.256178][ T7508] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 287.256191][ T7508] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 287.256205][ T7508] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 287.256234][ T7508]
[ 287.256288][ T7508] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.256319][ T7508] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.826735][ T7512] loop1: detected capacity change from 0 to 32768
[ 287.836930][ T7512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.836961][ T7512] CPU: 1 UID: 0 PID: 7512 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 287.836982][ T7512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.836994][ T7512] Call Trace:
[ 287.837001][ T7512]
[ 287.837010][ T7512] dump_stack_lvl+0xe8/0x150
[ 287.837038][ T7512] sysfs_create_dir_ns+0x271/0x2a0
[ 287.837070][ T7512] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 287.837093][ T7512] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 287.837118][ T7512] ? rt_spin_unlock+0x160/0x200
[ 287.837140][ T7512] kobject_add_internal+0x631/0xd10
[ 287.837166][ T7512] kobject_init_and_add+0x12b/0x1a0
[ 287.837190][ T7512] ? __pfx_kobject_init_and_add+0x10/0x10
[ 287.837209][ T7512] ? __raw_spin_lock_init+0x45/0x100
[ 287.837233][ T7512] ? __init_swait_queue_head+0xa9/0x150
[ 287.837259][ T7512] gfs2_sys_fs_add+0x257/0x480
[ 287.837283][ T7512] ? is_dynamic_key+0x1ac/0x1c0
[ 287.837308][ T7512] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 287.837341][ T7512] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 287.837379][ T7512] gfs2_fill_super+0x141c/0x2220
[ 287.837414][ T7512] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.837432][ T7512] ? rt_spin_unlock+0x14f/0x200
[ 287.837459][ T7512] ? sb_set_blocksize+0x11b/0x210
[ 287.837480][ T7512] ? setup_bdev_super+0x4c1/0x5b0
[ 287.837511][ T7512] get_tree_bdev_flags+0x431/0x4f0
[ 287.837539][ T7512] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.837559][ T7512] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 287.837585][ T7512] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 287.837623][ T7512] gfs2_get_tree+0x51/0x1e0
[ 287.837646][ T7512] vfs_get_tree+0x92/0x2a0
[ 287.837675][ T7512] do_new_mount+0x341/0xd30
[ 287.837696][ T7512] ? apparmor_capable+0x126/0x170
[ 287.837723][ T7512] ? __pfx_do_new_mount+0x10/0x10
[ 287.837746][ T7512] ? ns_capable+0x89/0xe0
[ 287.837770][ T7512] ? user_path_at+0xd4/0x160
[ 287.837798][ T7512] ? user_path_at+0xd4/0x160
[ 287.837824][ T7512] __se_sys_mount+0x31d/0x420
[ 287.837853][ T7512] ? __pfx___se_sys_mount+0x10/0x10
[ 287.837882][ T7512] ? __x64_sys_mount+0x20/0xc0
[ 287.837904][ T7512] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.837925][ T7512] do_syscall_64+0x15f/0xf80
[ 287.837951][ T7512] ? trace_irq_disable+0x3b/0x140
[ 287.837974][ T7512] ? clear_bhb_loop+0x40/0x90
[ 287.837998][ T7512] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.838018][ T7512] RIP: 0033:0x7f423eceb60a
[ 287.838037][ T7512] 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
[ 287.838060][ T7512] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.838082][ T7512] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 287.838097][ T7512] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 287.838110][ T7512] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 287.838123][ T7512] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 287.838136][ T7512] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 287.838168][ T7512]
[ 287.841034][ T7512] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.841061][ T7512] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.391854][ T7516] loop1: detected capacity change from 0 to 32768
[ 288.415250][ T7516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.415275][ T7516] CPU: 1 UID: 0 PID: 7516 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 288.415297][ T7516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.415309][ T7516] Call Trace:
[ 288.415317][ T7516]
[ 288.415325][ T7516] dump_stack_lvl+0xe8/0x150
[ 288.415345][ T7516] sysfs_create_dir_ns+0x271/0x2a0
[ 288.415360][ T7516] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 288.415376][ T7516] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 288.415390][ T7516] ? rt_spin_unlock+0x160/0x200
[ 288.415403][ T7516] kobject_add_internal+0x631/0xd10
[ 288.415418][ T7516] kobject_init_and_add+0x12b/0x1a0
[ 288.415432][ T7516] ? __pfx_kobject_init_and_add+0x10/0x10
[ 288.415443][ T7516] ? __raw_spin_lock_init+0x45/0x100
[ 288.415457][ T7516] ? __init_swait_queue_head+0xa9/0x150
[ 288.415472][ T7516] gfs2_sys_fs_add+0x257/0x480
[ 288.415485][ T7516] ? is_dynamic_key+0x1ac/0x1c0
[ 288.415499][ T7516] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 288.415517][ T7516] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 288.415538][ T7516] gfs2_fill_super+0x141c/0x2220
[ 288.415556][ T7516] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.415565][ T7516] ? rt_spin_unlock+0x14f/0x200
[ 288.415580][ T7516] ? sb_set_blocksize+0x11b/0x210
[ 288.415591][ T7516] ? setup_bdev_super+0x4c1/0x5b0
[ 288.415609][ T7516] get_tree_bdev_flags+0x431/0x4f0
[ 288.415625][ T7516] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.415635][ T7516] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 288.415649][ T7516] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 288.415670][ T7516] gfs2_get_tree+0x51/0x1e0
[ 288.415682][ T7516] vfs_get_tree+0x92/0x2a0
[ 288.415698][ T7516] do_new_mount+0x341/0xd30
[ 288.415710][ T7516] ? apparmor_capable+0x126/0x170
[ 288.415725][ T7516] ? __pfx_do_new_mount+0x10/0x10
[ 288.415737][ T7516] ? ns_capable+0x89/0xe0
[ 288.415750][ T7516] ? user_path_at+0xd4/0x160
[ 288.415765][ T7516] ? user_path_at+0xd4/0x160
[ 288.415780][ T7516] __se_sys_mount+0x31d/0x420
[ 288.415795][ T7516] ? __pfx___se_sys_mount+0x10/0x10
[ 288.415811][ T7516] ? __x64_sys_mount+0x20/0xc0
[ 288.415825][ T7516] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.415837][ T7516] do_syscall_64+0x15f/0xf80
[ 288.415852][ T7516] ? trace_irq_disable+0x3b/0x140
[ 288.415864][ T7516] ? clear_bhb_loop+0x40/0x90
[ 288.415877][ T7516] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.415887][ T7516] RIP: 0033:0x7f423eceb60a
[ 288.415899][ T7516] 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
[ 288.415908][ T7516] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.415921][ T7516] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 288.415929][ T7516] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 288.415937][ T7516] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 288.415944][ T7516] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 288.415951][ T7516] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 288.415968][ T7516]
[ 288.415983][ T7516] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.415992][ T7516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.110876][ T7520] loop1: detected capacity change from 0 to 32768
[ 289.127342][ T7520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.127364][ T7520] CPU: 1 UID: 0 PID: 7520 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 289.127385][ T7520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.127397][ T7520] Call Trace:
[ 289.127405][ T7520]
[ 289.127414][ T7520] dump_stack_lvl+0xe8/0x150
[ 289.127441][ T7520] sysfs_create_dir_ns+0x271/0x2a0
[ 289.127470][ T7520] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 289.127496][ T7520] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 289.127521][ T7520] ? rt_spin_unlock+0x160/0x200
[ 289.127545][ T7520] kobject_add_internal+0x631/0xd10
[ 289.127572][ T7520] kobject_init_and_add+0x12b/0x1a0
[ 289.127595][ T7520] ? __pfx_kobject_init_and_add+0x10/0x10
[ 289.127615][ T7520] ? __raw_spin_lock_init+0x45/0x100
[ 289.127639][ T7520] ? __init_swait_queue_head+0xa9/0x150
[ 289.127666][ T7520] gfs2_sys_fs_add+0x257/0x480
[ 289.127688][ T7520] ? is_dynamic_key+0x1ac/0x1c0
[ 289.127712][ T7520] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 289.127745][ T7520] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 289.127784][ T7520] gfs2_fill_super+0x141c/0x2220
[ 289.127819][ T7520] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.127837][ T7520] ? rt_spin_unlock+0x14f/0x200
[ 289.127864][ T7520] ? sb_set_blocksize+0x11b/0x210
[ 289.127885][ T7520] ? setup_bdev_super+0x4c1/0x5b0
[ 289.127917][ T7520] get_tree_bdev_flags+0x431/0x4f0
[ 289.127945][ T7520] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.128006][ T7520] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 289.128032][ T7520] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 289.128069][ T7520] gfs2_get_tree+0x51/0x1e0
[ 289.128092][ T7520] vfs_get_tree+0x92/0x2a0
[ 289.128122][ T7520] do_new_mount+0x341/0xd30
[ 289.128143][ T7520] ? apparmor_capable+0x126/0x170
[ 289.128170][ T7520] ? __pfx_do_new_mount+0x10/0x10
[ 289.128193][ T7520] ? ns_capable+0x89/0xe0
[ 289.128218][ T7520] ? user_path_at+0xd4/0x160
[ 289.128247][ T7520] ? user_path_at+0xd4/0x160
[ 289.128274][ T7520] __se_sys_mount+0x31d/0x420
[ 289.128310][ T7520] ? __pfx___se_sys_mount+0x10/0x10
[ 289.128339][ T7520] ? __x64_sys_mount+0x20/0xc0
[ 289.128362][ T7520] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.128382][ T7520] do_syscall_64+0x15f/0xf80
[ 289.128408][ T7520] ? trace_irq_disable+0x3b/0x140
[ 289.128430][ T7520] ? clear_bhb_loop+0x40/0x90
[ 289.128454][ T7520] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.128473][ T7520] RIP: 0033:0x7f423eceb60a
[ 289.128492][ T7520] 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
[ 289.128510][ T7520] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.128531][ T7520] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 289.128547][ T7520] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 289.128561][ T7520] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 289.128575][ T7520] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 289.128589][ T7520] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 289.128621][ T7520]
[ 289.130605][ T7520] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.130625][ T7520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.736113][ T7524] loop1: detected capacity change from 0 to 32768
[ 289.764068][ T7524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.764085][ T7524] CPU: 1 UID: 0 PID: 7524 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 289.764098][ T7524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.764105][ T7524] Call Trace:
[ 289.764109][ T7524]
[ 289.764114][ T7524] dump_stack_lvl+0xe8/0x150
[ 289.764132][ T7524] sysfs_create_dir_ns+0x271/0x2a0
[ 289.764146][ T7524] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 289.764161][ T7524] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 289.764175][ T7524] ? rt_spin_unlock+0x160/0x200
[ 289.764189][ T7524] kobject_add_internal+0x631/0xd10
[ 289.764216][ T7524] kobject_init_and_add+0x12b/0x1a0
[ 289.764234][ T7524] ? __pfx_kobject_init_and_add+0x10/0x10
[ 289.764246][ T7524] ? __raw_spin_lock_init+0x45/0x100
[ 289.764260][ T7524] ? __init_swait_queue_head+0xa9/0x150
[ 289.764274][ T7524] gfs2_sys_fs_add+0x257/0x480
[ 289.764287][ T7524] ? is_dynamic_key+0x1ac/0x1c0
[ 289.764300][ T7524] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 289.764318][ T7524] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 289.764339][ T7524] gfs2_fill_super+0x141c/0x2220
[ 289.764357][ T7524] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.764367][ T7524] ? rt_spin_unlock+0x14f/0x200
[ 289.764381][ T7524] ? sb_set_blocksize+0x11b/0x210
[ 289.764393][ T7524] ? setup_bdev_super+0x4c1/0x5b0
[ 289.764410][ T7524] get_tree_bdev_flags+0x431/0x4f0
[ 289.764426][ T7524] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.764436][ T7524] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 289.764451][ T7524] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 289.764470][ T7524] gfs2_get_tree+0x51/0x1e0
[ 289.764482][ T7524] vfs_get_tree+0x92/0x2a0
[ 289.764499][ T7524] do_new_mount+0x341/0xd30
[ 289.764510][ T7524] ? apparmor_capable+0x126/0x170
[ 289.764525][ T7524] ? __pfx_do_new_mount+0x10/0x10
[ 289.764537][ T7524] ? ns_capable+0x89/0xe0
[ 289.764550][ T7524] ? user_path_at+0xd4/0x160
[ 289.764566][ T7524] ? user_path_at+0xd4/0x160
[ 289.764581][ T7524] __se_sys_mount+0x31d/0x420
[ 289.764597][ T7524] ? __pfx___se_sys_mount+0x10/0x10
[ 289.764612][ T7524] ? __x64_sys_mount+0x20/0xc0
[ 289.764624][ T7524] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.764636][ T7524] do_syscall_64+0x15f/0xf80
[ 289.764650][ T7524] ? trace_irq_disable+0x3b/0x140
[ 289.764673][ T7524] ? clear_bhb_loop+0x40/0x90
[ 289.764686][ T7524] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.764697][ T7524] RIP: 0033:0x7f423eceb60a
[ 289.764708][ T7524] 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
[ 289.764718][ T7524] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.764730][ T7524] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 289.764738][ T7524] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 289.764746][ T7524] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 289.764753][ T7524] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 289.764761][ T7524] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 289.764777][ T7524]
[ 289.764801][ T7524] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.764810][ T7524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.274857][ T7528] loop1: detected capacity change from 0 to 32768
[ 290.292780][ T7528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.292803][ T7528] CPU: 1 UID: 0 PID: 7528 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 290.292833][ T7528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.292845][ T7528] Call Trace:
[ 290.292854][ T7528]
[ 290.292862][ T7528] dump_stack_lvl+0xe8/0x150
[ 290.292892][ T7528] sysfs_create_dir_ns+0x271/0x2a0
[ 290.292916][ T7528] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 290.292942][ T7528] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 290.292967][ T7528] ? rt_spin_unlock+0x160/0x200
[ 290.292992][ T7528] kobject_add_internal+0x631/0xd10
[ 290.293019][ T7528] kobject_init_and_add+0x12b/0x1a0
[ 290.293045][ T7528] ? __pfx_kobject_init_and_add+0x10/0x10
[ 290.293065][ T7528] ? __raw_spin_lock_init+0x45/0x100
[ 290.293088][ T7528] ? __init_swait_queue_head+0xa9/0x150
[ 290.293114][ T7528] gfs2_sys_fs_add+0x257/0x480
[ 290.293139][ T7528] ? is_dynamic_key+0x1ac/0x1c0
[ 290.293158][ T7528] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 290.293176][ T7528] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 290.293197][ T7528] gfs2_fill_super+0x141c/0x2220
[ 290.293215][ T7528] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.293224][ T7528] ? rt_spin_unlock+0x14f/0x200
[ 290.293239][ T7528] ? sb_set_blocksize+0x11b/0x210
[ 290.293254][ T7528] ? setup_bdev_super+0x4c1/0x5b0
[ 290.293272][ T7528] get_tree_bdev_flags+0x431/0x4f0
[ 290.293288][ T7528] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.293299][ T7528] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 290.293313][ T7528] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 290.293333][ T7528] gfs2_get_tree+0x51/0x1e0
[ 290.293345][ T7528] vfs_get_tree+0x92/0x2a0
[ 290.293362][ T7528] do_new_mount+0x341/0xd30
[ 290.293373][ T7528] ? apparmor_capable+0x126/0x170
[ 290.293387][ T7528] ? __pfx_do_new_mount+0x10/0x10
[ 290.293400][ T7528] ? ns_capable+0x89/0xe0
[ 290.293413][ T7528] ? user_path_at+0xd4/0x160
[ 290.293429][ T7528] ? user_path_at+0xd4/0x160
[ 290.293444][ T7528] __se_sys_mount+0x31d/0x420
[ 290.293459][ T7528] ? __pfx___se_sys_mount+0x10/0x10
[ 290.293475][ T7528] ? __x64_sys_mount+0x20/0xc0
[ 290.293487][ T7528] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.293499][ T7528] do_syscall_64+0x15f/0xf80
[ 290.293514][ T7528] ? trace_irq_disable+0x3b/0x140
[ 290.293526][ T7528] ? clear_bhb_loop+0x40/0x90
[ 290.293539][ T7528] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.293550][ T7528] RIP: 0033:0x7f423eceb60a
[ 290.293561][ T7528] 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
[ 290.293572][ T7528] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.293586][ T7528] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 290.293594][ T7528] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 290.293602][ T7528] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 290.293609][ T7528] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 290.293617][ T7528] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 290.293633][ T7528]
[ 290.293658][ T7528] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.293668][ T7528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.881269][ T7532] loop1: detected capacity change from 0 to 32768
[ 290.900858][ T7532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.900880][ T7532] CPU: 0 UID: 0 PID: 7532 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 290.900901][ T7532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.900913][ T7532] Call Trace:
[ 290.900922][ T7532]
[ 290.900930][ T7532] dump_stack_lvl+0xe8/0x150
[ 290.900957][ T7532] sysfs_create_dir_ns+0x271/0x2a0
[ 290.900981][ T7532] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 290.901005][ T7532] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 290.901032][ T7532] ? rt_spin_unlock+0x160/0x200
[ 290.901055][ T7532] kobject_add_internal+0x631/0xd10
[ 290.901082][ T7532] kobject_init_and_add+0x12b/0x1a0
[ 290.901106][ T7532] ? __pfx_kobject_init_and_add+0x10/0x10
[ 290.901125][ T7532] ? __raw_spin_lock_init+0x45/0x100
[ 290.901149][ T7532] ? __init_swait_queue_head+0xa9/0x150
[ 290.901175][ T7532] gfs2_sys_fs_add+0x257/0x480
[ 290.901199][ T7532] ? is_dynamic_key+0x1ac/0x1c0
[ 290.901225][ T7532] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 290.901258][ T7532] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 290.901301][ T7532] gfs2_fill_super+0x141c/0x2220
[ 290.901334][ T7532] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.901351][ T7532] ? rt_spin_unlock+0x14f/0x200
[ 290.901377][ T7532] ? sb_set_blocksize+0x11b/0x210
[ 290.901400][ T7532] ? setup_bdev_super+0x4c1/0x5b0
[ 290.901430][ T7532] get_tree_bdev_flags+0x431/0x4f0
[ 290.901459][ T7532] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.901479][ T7532] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 290.901505][ T7532] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 290.901541][ T7532] gfs2_get_tree+0x51/0x1e0
[ 290.901573][ T7532] vfs_get_tree+0x92/0x2a0
[ 290.901603][ T7532] do_new_mount+0x341/0xd30
[ 290.901623][ T7532] ? apparmor_capable+0x126/0x170
[ 290.901650][ T7532] ? __pfx_do_new_mount+0x10/0x10
[ 290.901671][ T7532] ? ns_capable+0x89/0xe0
[ 290.901695][ T7532] ? user_path_at+0xd4/0x160
[ 290.901722][ T7532] ? user_path_at+0xd4/0x160
[ 290.901750][ T7532] __se_sys_mount+0x31d/0x420
[ 290.901776][ T7532] ? __pfx___se_sys_mount+0x10/0x10
[ 290.901803][ T7532] ? __x64_sys_mount+0x20/0xc0
[ 290.901822][ T7532] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.901842][ T7532] do_syscall_64+0x15f/0xf80
[ 290.901865][ T7532] ? trace_irq_disable+0x3b/0x140
[ 290.901886][ T7532] ? clear_bhb_loop+0x40/0x90
[ 290.901908][ T7532] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.901927][ T7532] RIP: 0033:0x7f423eceb60a
[ 290.901945][ T7532] 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
[ 290.901962][ T7532] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.901985][ T7532] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 290.902000][ T7532] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 290.902013][ T7532] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 290.902027][ T7532] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 290.902041][ T7532] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 290.902073][ T7532]
[ 290.902118][ T7532] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.902136][ T7532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.447720][ T7536] loop1: detected capacity change from 0 to 32768
[ 291.451506][ T7536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.451527][ T7536] CPU: 1 UID: 0 PID: 7536 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 291.451548][ T7536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 291.451561][ T7536] Call Trace:
[ 291.451568][ T7536]
[ 291.451577][ T7536] dump_stack_lvl+0xe8/0x150
[ 291.451605][ T7536] sysfs_create_dir_ns+0x271/0x2a0
2026/04/26 11:02:32 executed programs: 201
[ 291.451630][ T7536] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 291.451655][ T7536] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 291.451682][ T7536] ? rt_spin_unlock+0x160/0x200
[ 291.451707][ T7536] kobject_add_internal+0x631/0xd10
[ 291.451734][ T7536] kobject_init_and_add+0x12b/0x1a0
[ 291.451765][ T7536] ? __pfx_kobject_init_and_add+0x10/0x10
[ 291.451787][ T7536] ? __raw_spin_lock_init+0x45/0x100
[ 291.451811][ T7536] ? __init_swait_queue_head+0xa9/0x150
[ 291.451838][ T7536] gfs2_sys_fs_add+0x257/0x480
[ 291.451862][ T7536] ? is_dynamic_key+0x1ac/0x1c0
[ 291.451885][ T7536] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 291.451916][ T7536] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 291.451959][ T7536] gfs2_fill_super+0x141c/0x2220
[ 291.451995][ T7536] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.452013][ T7536] ? rt_spin_unlock+0x14f/0x200
[ 291.452038][ T7536] ? sb_set_blocksize+0x11b/0x210
[ 291.452058][ T7536] ? setup_bdev_super+0x4c1/0x5b0
[ 291.452089][ T7536] get_tree_bdev_flags+0x431/0x4f0
[ 291.452122][ T7536] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.452140][ T7536] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 291.452162][ T7536] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 291.452198][ T7536] gfs2_get_tree+0x51/0x1e0
[ 291.452220][ T7536] vfs_get_tree+0x92/0x2a0
[ 291.452249][ T7536] do_new_mount+0x341/0xd30
[ 291.452269][ T7536] ? apparmor_capable+0x126/0x170
[ 291.452296][ T7536] ? __pfx_do_new_mount+0x10/0x10
[ 291.452318][ T7536] ? ns_capable+0x89/0xe0
[ 291.452342][ T7536] ? user_path_at+0xd4/0x160
[ 291.452370][ T7536] ? user_path_at+0xd4/0x160
[ 291.452397][ T7536] __se_sys_mount+0x31d/0x420
[ 291.452425][ T7536] ? __pfx___se_sys_mount+0x10/0x10
[ 291.452454][ T7536] ? __x64_sys_mount+0x20/0xc0
[ 291.452476][ T7536] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.452500][ T7536] do_syscall_64+0x15f/0xf80
[ 291.452526][ T7536] ? trace_irq_disable+0x3b/0x140
[ 291.452547][ T7536] ? clear_bhb_loop+0x40/0x90
[ 291.452571][ T7536] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.452590][ T7536] RIP: 0033:0x7f423eceb60a
[ 291.452609][ T7536] 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
[ 291.452626][ T7536] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.452647][ T7536] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 291.452662][ T7536] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 291.452676][ T7536] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 291.452688][ T7536] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 291.452701][ T7536] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 291.452730][ T7536]
[ 291.452856][ T7536] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.452873][ T7536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.982720][ T7540] loop1: detected capacity change from 0 to 32768
[ 291.996556][ T7540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.996578][ T7540] CPU: 1 UID: 0 PID: 7540 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 291.996600][ T7540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 291.996612][ T7540] Call Trace:
[ 291.996620][ T7540]
[ 291.996629][ T7540] dump_stack_lvl+0xe8/0x150
[ 291.996657][ T7540] sysfs_create_dir_ns+0x271/0x2a0
[ 291.996683][ T7540] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 291.996708][ T7540] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 291.996734][ T7540] ? rt_spin_unlock+0x160/0x200
[ 291.996758][ T7540] kobject_add_internal+0x631/0xd10
[ 291.996786][ T7540] kobject_init_and_add+0x12b/0x1a0
[ 291.996812][ T7540] ? __pfx_kobject_init_and_add+0x10/0x10
[ 291.996833][ T7540] ? __raw_spin_lock_init+0x45/0x100
[ 291.996857][ T7540] ? __init_swait_queue_head+0xa9/0x150
[ 291.996883][ T7540] gfs2_sys_fs_add+0x257/0x480
[ 291.996907][ T7540] ? is_dynamic_key+0x1ac/0x1c0
[ 291.996932][ T7540] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 291.996964][ T7540] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 291.997004][ T7540] gfs2_fill_super+0x141c/0x2220
[ 291.997039][ T7540] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.997058][ T7540] ? rt_spin_unlock+0x14f/0x200
[ 291.997081][ T7540] ? sb_set_blocksize+0x11b/0x210
[ 291.997100][ T7540] ? setup_bdev_super+0x4c1/0x5b0
[ 291.997130][ T7540] get_tree_bdev_flags+0x431/0x4f0
[ 291.997156][ T7540] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.997175][ T7540] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 291.997200][ T7540] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 291.997236][ T7540] gfs2_get_tree+0x51/0x1e0
[ 291.997259][ T7540] vfs_get_tree+0x92/0x2a0
[ 291.997289][ T7540] do_new_mount+0x341/0xd30
[ 291.997310][ T7540] ? apparmor_capable+0x126/0x170
[ 291.997336][ T7540] ? __pfx_do_new_mount+0x10/0x10
[ 291.997358][ T7540] ? ns_capable+0x89/0xe0
[ 291.997382][ T7540] ? user_path_at+0xd4/0x160
[ 291.997412][ T7540] ? user_path_at+0xd4/0x160
[ 291.997445][ T7540] __se_sys_mount+0x31d/0x420
[ 291.997472][ T7540] ? __pfx___se_sys_mount+0x10/0x10
[ 291.997501][ T7540] ? __x64_sys_mount+0x20/0xc0
[ 291.997524][ T7540] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.997545][ T7540] do_syscall_64+0x15f/0xf80
[ 291.997571][ T7540] ? trace_irq_disable+0x3b/0x140
[ 291.997593][ T7540] ? clear_bhb_loop+0x40/0x90
[ 291.997617][ T7540] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.997636][ T7540] RIP: 0033:0x7f423eceb60a
[ 291.997655][ T7540] 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
[ 291.997673][ T7540] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.997694][ T7540] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 291.997709][ T7540] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 291.997723][ T7540] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 291.997737][ T7540] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 291.997750][ T7540] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 291.997781][ T7540]
[ 292.001029][ T7540] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.001049][ T7540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.532021][ T7544] loop1: detected capacity change from 0 to 32768
[ 292.545346][ T7544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.545368][ T7544] CPU: 1 UID: 0 PID: 7544 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 292.545388][ T7544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 292.545400][ T7544] Call Trace:
[ 292.545409][ T7544]
[ 292.545417][ T7544] dump_stack_lvl+0xe8/0x150
[ 292.545447][ T7544] sysfs_create_dir_ns+0x271/0x2a0
[ 292.545471][ T7544] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 292.545495][ T7544] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 292.545520][ T7544] ? rt_spin_unlock+0x160/0x200
[ 292.545545][ T7544] kobject_add_internal+0x631/0xd10
[ 292.545572][ T7544] kobject_init_and_add+0x12b/0x1a0
[ 292.545595][ T7544] ? __pfx_kobject_init_and_add+0x10/0x10
[ 292.545616][ T7544] ? __raw_spin_lock_init+0x45/0x100
[ 292.545648][ T7544] ? __init_swait_queue_head+0xa9/0x150
[ 292.545673][ T7544] gfs2_sys_fs_add+0x257/0x480
[ 292.545697][ T7544] ? is_dynamic_key+0x1ac/0x1c0
[ 292.545719][ T7544] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 292.545749][ T7544] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 292.545790][ T7544] gfs2_fill_super+0x141c/0x2220
[ 292.545824][ T7544] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.545840][ T7544] ? rt_spin_unlock+0x14f/0x200
[ 292.545865][ T7544] ? sb_set_blocksize+0x11b/0x210
[ 292.545885][ T7544] ? setup_bdev_super+0x4c1/0x5b0
[ 292.545915][ T7544] get_tree_bdev_flags+0x431/0x4f0
[ 292.545943][ T7544] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.545961][ T7544] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 292.545986][ T7544] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 292.546022][ T7544] gfs2_get_tree+0x51/0x1e0
[ 292.546044][ T7544] vfs_get_tree+0x92/0x2a0
[ 292.546071][ T7544] do_new_mount+0x341/0xd30
[ 292.546093][ T7544] ? apparmor_capable+0x126/0x170
[ 292.546119][ T7544] ? __pfx_do_new_mount+0x10/0x10
[ 292.546142][ T7544] ? ns_capable+0x89/0xe0
[ 292.546167][ T7544] ? user_path_at+0xd4/0x160
[ 292.546196][ T7544] ? user_path_at+0xd4/0x160
[ 292.546223][ T7544] __se_sys_mount+0x31d/0x420
[ 292.546253][ T7544] ? __pfx___se_sys_mount+0x10/0x10
[ 292.546281][ T7544] ? __x64_sys_mount+0x20/0xc0
[ 292.546302][ T7544] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.546324][ T7544] do_syscall_64+0x15f/0xf80
[ 292.546351][ T7544] ? trace_irq_disable+0x3b/0x140
[ 292.546373][ T7544] ? clear_bhb_loop+0x40/0x90
[ 292.546397][ T7544] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.546417][ T7544] RIP: 0033:0x7f423eceb60a
[ 292.546436][ T7544] 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
[ 292.546453][ T7544] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.546474][ T7544] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 292.546490][ T7544] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 292.546504][ T7544] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 292.546518][ T7544] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 292.546531][ T7544] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 292.546562][ T7544]
[ 292.546765][ T7544] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.546782][ T7544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.121568][ T7548] loop1: detected capacity change from 0 to 32768
[ 293.126757][ T7548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.126779][ T7548] CPU: 1 UID: 0 PID: 7548 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 293.126801][ T7548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 293.126813][ T7548] Call Trace:
[ 293.126821][ T7548]
[ 293.126830][ T7548] dump_stack_lvl+0xe8/0x150
[ 293.126858][ T7548] sysfs_create_dir_ns+0x271/0x2a0
[ 293.126883][ T7548] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 293.126908][ T7548] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 293.126935][ T7548] ? rt_spin_unlock+0x160/0x200
[ 293.126960][ T7548] kobject_add_internal+0x631/0xd10
[ 293.126988][ T7548] kobject_init_and_add+0x12b/0x1a0
[ 293.127013][ T7548] ? __pfx_kobject_init_and_add+0x10/0x10
[ 293.127034][ T7548] ? __raw_spin_lock_init+0x45/0x100
[ 293.127060][ T7548] ? __init_swait_queue_head+0xa9/0x150
[ 293.127083][ T7548] gfs2_sys_fs_add+0x257/0x480
[ 293.127106][ T7548] ? is_dynamic_key+0x1ac/0x1c0
[ 293.127131][ T7548] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 293.127160][ T7548] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 293.127197][ T7548] gfs2_fill_super+0x141c/0x2220
[ 293.127231][ T7548] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.127248][ T7548] ? rt_spin_unlock+0x14f/0x200
[ 293.127275][ T7548] ? sb_set_blocksize+0x11b/0x210
[ 293.127296][ T7548] ? setup_bdev_super+0x4c1/0x5b0
[ 293.127327][ T7548] get_tree_bdev_flags+0x431/0x4f0
[ 293.127362][ T7548] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.127382][ T7548] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 293.127408][ T7548] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 293.127445][ T7548] gfs2_get_tree+0x51/0x1e0
[ 293.127468][ T7548] vfs_get_tree+0x92/0x2a0
[ 293.127497][ T7548] do_new_mount+0x341/0xd30
[ 293.127519][ T7548] ? apparmor_capable+0x126/0x170
[ 293.127545][ T7548] ? __pfx_do_new_mount+0x10/0x10
[ 293.127567][ T7548] ? ns_capable+0x89/0xe0
[ 293.127592][ T7548] ? user_path_at+0xd4/0x160
[ 293.127620][ T7548] ? user_path_at+0xd4/0x160
[ 293.127647][ T7548] __se_sys_mount+0x31d/0x420
[ 293.127676][ T7548] ? __pfx___se_sys_mount+0x10/0x10
[ 293.127706][ T7548] ? __x64_sys_mount+0x20/0xc0
[ 293.127728][ T7548] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.127750][ T7548] do_syscall_64+0x15f/0xf80
[ 293.127775][ T7548] ? trace_irq_disable+0x3b/0x140
[ 293.127798][ T7548] ? clear_bhb_loop+0x40/0x90
[ 293.127820][ T7548] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.127838][ T7548] RIP: 0033:0x7f423eceb60a
[ 293.127857][ T7548] 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
[ 293.127875][ T7548] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.127897][ T7548] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 293.127911][ T7548] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 293.127925][ T7548] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 293.127938][ T7548] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 293.127951][ T7548] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 293.127981][ T7548]
[ 293.132246][ T7548] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.132267][ T7548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.702730][ T7552] loop1: detected capacity change from 0 to 32768
[ 293.727550][ T7552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.727573][ T7552] CPU: 0 UID: 0 PID: 7552 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 293.727595][ T7552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 293.727606][ T7552] Call Trace:
[ 293.727614][ T7552]
[ 293.727622][ T7552] dump_stack_lvl+0xe8/0x150
[ 293.727650][ T7552] sysfs_create_dir_ns+0x271/0x2a0
[ 293.727674][ T7552] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 293.727699][ T7552] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 293.727726][ T7552] ? rt_spin_unlock+0x160/0x200
[ 293.727750][ T7552] kobject_add_internal+0x631/0xd10
[ 293.727778][ T7552] kobject_init_and_add+0x12b/0x1a0
[ 293.727802][ T7552] ? __pfx_kobject_init_and_add+0x10/0x10
[ 293.727823][ T7552] ? __raw_spin_lock_init+0x45/0x100
[ 293.727847][ T7552] ? __init_swait_queue_head+0xa9/0x150
[ 293.727873][ T7552] gfs2_sys_fs_add+0x257/0x480
[ 293.727897][ T7552] ? is_dynamic_key+0x1ac/0x1c0
[ 293.727923][ T7552] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 293.727956][ T7552] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 293.727992][ T7552] gfs2_fill_super+0x141c/0x2220
[ 293.728025][ T7552] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.728042][ T7552] ? rt_spin_unlock+0x14f/0x200
[ 293.728070][ T7552] ? sb_set_blocksize+0x11b/0x210
[ 293.728092][ T7552] ? setup_bdev_super+0x4c1/0x5b0
[ 293.728124][ T7552] get_tree_bdev_flags+0x431/0x4f0
[ 293.728151][ T7552] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.728170][ T7552] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 293.728195][ T7552] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 293.728232][ T7552] gfs2_get_tree+0x51/0x1e0
[ 293.728254][ T7552] vfs_get_tree+0x92/0x2a0
[ 293.728282][ T7552] do_new_mount+0x341/0xd30
[ 293.728302][ T7552] ? apparmor_capable+0x126/0x170
[ 293.728328][ T7552] ? __pfx_do_new_mount+0x10/0x10
[ 293.728360][ T7552] ? ns_capable+0x89/0xe0
[ 293.728385][ T7552] ? user_path_at+0xd4/0x160
[ 293.728413][ T7552] ? user_path_at+0xd4/0x160
[ 293.728439][ T7552] __se_sys_mount+0x31d/0x420
[ 293.728468][ T7552] ? __pfx___se_sys_mount+0x10/0x10
[ 293.728497][ T7552] ? __x64_sys_mount+0x20/0xc0
[ 293.728518][ T7552] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.728539][ T7552] do_syscall_64+0x15f/0xf80
[ 293.728565][ T7552] ? trace_irq_disable+0x3b/0x140
[ 293.728587][ T7552] ? clear_bhb_loop+0x40/0x90
[ 293.728611][ T7552] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.728630][ T7552] RIP: 0033:0x7f423eceb60a
[ 293.728648][ T7552] 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
[ 293.728665][ T7552] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.728684][ T7552] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 293.728699][ T7552] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 293.728713][ T7552] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 293.728727][ T7552] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 293.728745][ T7552] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 293.728777][ T7552]
[ 293.728830][ T7552] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.728846][ T7552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.288428][ T7556] loop1: detected capacity change from 0 to 32768
[ 294.305664][ T7556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.305685][ T7556] CPU: 1 UID: 0 PID: 7556 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 294.305706][ T7556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 294.305717][ T7556] Call Trace:
[ 294.305725][ T7556]
[ 294.305733][ T7556] dump_stack_lvl+0xe8/0x150
[ 294.305761][ T7556] sysfs_create_dir_ns+0x271/0x2a0
[ 294.305784][ T7556] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 294.305809][ T7556] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 294.305834][ T7556] ? rt_spin_unlock+0x160/0x200
[ 294.305860][ T7556] kobject_add_internal+0x631/0xd10
[ 294.305886][ T7556] kobject_init_and_add+0x12b/0x1a0
[ 294.305911][ T7556] ? __pfx_kobject_init_and_add+0x10/0x10
[ 294.305932][ T7556] ? __raw_spin_lock_init+0x45/0x100
[ 294.305957][ T7556] ? __init_swait_queue_head+0xa9/0x150
[ 294.305983][ T7556] gfs2_sys_fs_add+0x257/0x480
[ 294.306007][ T7556] ? is_dynamic_key+0x1ac/0x1c0
[ 294.306032][ T7556] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 294.306065][ T7556] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 294.306103][ T7556] gfs2_fill_super+0x141c/0x2220
[ 294.306136][ T7556] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.306153][ T7556] ? rt_spin_unlock+0x14f/0x200
[ 294.306180][ T7556] ? sb_set_blocksize+0x11b/0x210
[ 294.306202][ T7556] ? setup_bdev_super+0x4c1/0x5b0
[ 294.306233][ T7556] get_tree_bdev_flags+0x431/0x4f0
[ 294.306261][ T7556] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.306280][ T7556] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 294.306305][ T7556] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 294.306341][ T7556] gfs2_get_tree+0x51/0x1e0
[ 294.306363][ T7556] vfs_get_tree+0x92/0x2a0
[ 294.306392][ T7556] do_new_mount+0x341/0xd30
[ 294.306413][ T7556] ? apparmor_capable+0x126/0x170
[ 294.306440][ T7556] ? __pfx_do_new_mount+0x10/0x10
[ 294.306461][ T7556] ? ns_capable+0x89/0xe0
[ 294.306485][ T7556] ? user_path_at+0xd4/0x160
[ 294.306514][ T7556] ? user_path_at+0xd4/0x160
[ 294.306548][ T7556] __se_sys_mount+0x31d/0x420
[ 294.306575][ T7556] ? __pfx___se_sys_mount+0x10/0x10
[ 294.306605][ T7556] ? __x64_sys_mount+0x20/0xc0
[ 294.306627][ T7556] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.306647][ T7556] do_syscall_64+0x15f/0xf80
[ 294.306673][ T7556] ? trace_irq_disable+0x3b/0x140
[ 294.306696][ T7556] ? clear_bhb_loop+0x40/0x90
[ 294.306719][ T7556] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.306738][ T7556] RIP: 0033:0x7f423eceb60a
[ 294.306757][ T7556] 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
[ 294.306775][ T7556] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.306795][ T7556] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 294.306809][ T7556] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 294.306822][ T7556] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 294.306836][ T7556] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 294.306849][ T7556] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 294.306881][ T7556]
[ 294.308074][ T7556] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.308093][ T7556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.825404][ T7560] loop1: detected capacity change from 0 to 32768
[ 294.843110][ T7560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.843132][ T7560] CPU: 1 UID: 0 PID: 7560 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 294.843153][ T7560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 294.843165][ T7560] Call Trace:
[ 294.843174][ T7560]
[ 294.843182][ T7560] dump_stack_lvl+0xe8/0x150
[ 294.843209][ T7560] sysfs_create_dir_ns+0x271/0x2a0
[ 294.843231][ T7560] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 294.843256][ T7560] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 294.843282][ T7560] ? rt_spin_unlock+0x160/0x200
[ 294.843306][ T7560] kobject_add_internal+0x631/0xd10
[ 294.843332][ T7560] kobject_init_and_add+0x12b/0x1a0
[ 294.843356][ T7560] ? __pfx_kobject_init_and_add+0x10/0x10
[ 294.843378][ T7560] ? __raw_spin_lock_init+0x45/0x100
[ 294.843403][ T7560] ? __init_swait_queue_head+0xa9/0x150
[ 294.843427][ T7560] gfs2_sys_fs_add+0x257/0x480
[ 294.843450][ T7560] ? is_dynamic_key+0x1ac/0x1c0
[ 294.843475][ T7560] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 294.843517][ T7560] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 294.843555][ T7560] gfs2_fill_super+0x141c/0x2220
[ 294.843588][ T7560] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.843602][ T7560] ? rt_spin_unlock+0x14f/0x200
[ 294.843622][ T7560] ? sb_set_blocksize+0x11b/0x210
[ 294.843639][ T7560] ? setup_bdev_super+0x4c1/0x5b0
[ 294.843662][ T7560] get_tree_bdev_flags+0x431/0x4f0
[ 294.843683][ T7560] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.843697][ T7560] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 294.843716][ T7560] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 294.843744][ T7560] gfs2_get_tree+0x51/0x1e0
[ 294.843761][ T7560] vfs_get_tree+0x92/0x2a0
[ 294.843783][ T7560] do_new_mount+0x341/0xd30
[ 294.843798][ T7560] ? apparmor_capable+0x126/0x170
[ 294.843818][ T7560] ? __pfx_do_new_mount+0x10/0x10
[ 294.843834][ T7560] ? ns_capable+0x89/0xe0
[ 294.843852][ T7560] ? user_path_at+0xd4/0x160
[ 294.843873][ T7560] ? user_path_at+0xd4/0x160
[ 294.843893][ T7560] __se_sys_mount+0x31d/0x420
[ 294.843915][ T7560] ? __pfx___se_sys_mount+0x10/0x10
[ 294.843936][ T7560] ? __x64_sys_mount+0x20/0xc0
[ 294.843952][ T7560] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.843968][ T7560] do_syscall_64+0x15f/0xf80
[ 294.843987][ T7560] ? trace_irq_disable+0x3b/0x140
[ 294.844004][ T7560] ? clear_bhb_loop+0x40/0x90
[ 294.844022][ T7560] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.844036][ T7560] RIP: 0033:0x7f423eceb60a
[ 294.844051][ T7560] 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
[ 294.844064][ T7560] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.844080][ T7560] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 294.844091][ T7560] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 294.844100][ T7560] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 294.844110][ T7560] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 294.844120][ T7560] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 294.844143][ T7560]
[ 294.844166][ T7560] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.844178][ T7560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.434928][ T7564] loop1: detected capacity change from 0 to 32768
[ 295.449091][ T7564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.449113][ T7564] CPU: 0 UID: 0 PID: 7564 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 295.449134][ T7564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 295.449146][ T7564] Call Trace:
[ 295.449154][ T7564]
[ 295.449162][ T7564] dump_stack_lvl+0xe8/0x150
[ 295.449191][ T7564] sysfs_create_dir_ns+0x271/0x2a0
[ 295.449215][ T7564] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 295.449238][ T7564] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 295.449264][ T7564] ? rt_spin_unlock+0x160/0x200
[ 295.449289][ T7564] kobject_add_internal+0x631/0xd10
[ 295.449318][ T7564] kobject_init_and_add+0x12b/0x1a0
[ 295.449344][ T7564] ? __pfx_kobject_init_and_add+0x10/0x10
[ 295.449366][ T7564] ? __raw_spin_lock_init+0x45/0x100
[ 295.449390][ T7564] ? __init_swait_queue_head+0xa9/0x150
[ 295.449415][ T7564] gfs2_sys_fs_add+0x257/0x480
[ 295.449438][ T7564] ? is_dynamic_key+0x1ac/0x1c0
[ 295.449463][ T7564] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 295.449502][ T7564] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 295.449537][ T7564] gfs2_fill_super+0x141c/0x2220
[ 295.449571][ T7564] ? __pfx_gfs2_fill_super+0x10/0x10
[ 295.449588][ T7564] ? rt_spin_unlock+0x14f/0x200
[ 295.449615][ T7564] ? sb_set_blocksize+0x11b/0x210
[ 295.449636][ T7564] ? setup_bdev_super+0x4c1/0x5b0
[ 295.449666][ T7564] get_tree_bdev_flags+0x431/0x4f0
[ 295.449694][ T7564] ? __pfx_gfs2_fill_super+0x10/0x10
[ 295.449714][ T7564] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 295.449738][ T7564] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 295.449776][ T7564] gfs2_get_tree+0x51/0x1e0
[ 295.449799][ T7564] vfs_get_tree+0x92/0x2a0
[ 295.449828][ T7564] do_new_mount+0x341/0xd30
[ 295.449849][ T7564] ? apparmor_capable+0x126/0x170
[ 295.449874][ T7564] ? __pfx_do_new_mount+0x10/0x10
[ 295.449896][ T7564] ? ns_capable+0x89/0xe0
[ 295.449921][ T7564] ? user_path_at+0xd4/0x160
[ 295.449950][ T7564] ? user_path_at+0xd4/0x160
[ 295.449978][ T7564] __se_sys_mount+0x31d/0x420
[ 295.450006][ T7564] ? __pfx___se_sys_mount+0x10/0x10
[ 295.450036][ T7564] ? __x64_sys_mount+0x20/0xc0
[ 295.450057][ T7564] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.450078][ T7564] do_syscall_64+0x15f/0xf80
[ 295.450104][ T7564] ? trace_irq_disable+0x3b/0x140
[ 295.450126][ T7564] ? clear_bhb_loop+0x40/0x90
[ 295.450149][ T7564] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.450168][ T7564] RIP: 0033:0x7f423eceb60a
[ 295.450185][ T7564] 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
[ 295.450203][ T7564] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.450224][ T7564] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 295.450238][ T7564] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 295.450252][ T7564] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 295.450265][ T7564] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 295.450279][ T7564] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 295.450309][ T7564]
[ 295.450352][ T7564] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.451888][ T7564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.004990][ T7568] loop1: detected capacity change from 0 to 32768
[ 296.015051][ T7568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.015071][ T7568] CPU: 1 UID: 0 PID: 7568 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 296.015092][ T7568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 296.015103][ T7568] Call Trace:
[ 296.015111][ T7568]
[ 296.015118][ T7568] dump_stack_lvl+0xe8/0x150
[ 296.015146][ T7568] sysfs_create_dir_ns+0x271/0x2a0
[ 296.015170][ T7568] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 296.015193][ T7568] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 296.015220][ T7568] ? rt_spin_unlock+0x160/0x200
[ 296.015245][ T7568] kobject_add_internal+0x631/0xd10
[ 296.015271][ T7568] kobject_init_and_add+0x12b/0x1a0
[ 296.015293][ T7568] ? __pfx_kobject_init_and_add+0x10/0x10
[ 296.015313][ T7568] ? __raw_spin_lock_init+0x45/0x100
[ 296.015336][ T7568] ? __init_swait_queue_head+0xa9/0x150
[ 296.015361][ T7568] gfs2_sys_fs_add+0x257/0x480
[ 296.015390][ T7568] ? is_dynamic_key+0x1ac/0x1c0
[ 296.015415][ T7568] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 296.015445][ T7568] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 296.015482][ T7568] gfs2_fill_super+0x141c/0x2220
[ 296.015516][ T7568] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.015533][ T7568] ? rt_spin_unlock+0x14f/0x200
[ 296.015557][ T7568] ? sb_set_blocksize+0x11b/0x210
[ 296.015577][ T7568] ? setup_bdev_super+0x4c1/0x5b0
[ 296.015606][ T7568] get_tree_bdev_flags+0x431/0x4f0
[ 296.015630][ T7568] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.015649][ T7568] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 296.015675][ T7568] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 296.015710][ T7568] gfs2_get_tree+0x51/0x1e0
[ 296.015732][ T7568] vfs_get_tree+0x92/0x2a0
[ 296.015759][ T7568] do_new_mount+0x341/0xd30
[ 296.015779][ T7568] ? apparmor_capable+0x126/0x170
[ 296.015806][ T7568] ? __pfx_do_new_mount+0x10/0x10
[ 296.015827][ T7568] ? ns_capable+0x89/0xe0
[ 296.015851][ T7568] ? user_path_at+0xd4/0x160
[ 296.015877][ T7568] ? user_path_at+0xd4/0x160
[ 296.015903][ T7568] __se_sys_mount+0x31d/0x420
[ 296.015930][ T7568] ? __pfx___se_sys_mount+0x10/0x10
[ 296.015956][ T7568] ? __x64_sys_mount+0x20/0xc0
[ 296.015977][ T7568] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.015998][ T7568] do_syscall_64+0x15f/0xf80
[ 296.016022][ T7568] ? trace_irq_disable+0x3b/0x140
[ 296.016044][ T7568] ? clear_bhb_loop+0x40/0x90
[ 296.016069][ T7568] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.016088][ T7568] RIP: 0033:0x7f423eceb60a
[ 296.016106][ T7568] 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
[ 296.016123][ T7568] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.016143][ T7568] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 296.016158][ T7568] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 296.016175][ T7568] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 296.016187][ T7568] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 296.016200][ T7568] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 296.016231][ T7568]
[ 296.021028][ T7568] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.021063][ T7568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.551869][ T7572] loop1: detected capacity change from 0 to 32768
[ 296.570868][ T7572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.570891][ T7572] CPU: 1 UID: 0 PID: 7572 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 296.570912][ T7572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 296.570924][ T7572] Call Trace:
[ 296.570932][ T7572]
[ 296.570941][ T7572] dump_stack_lvl+0xe8/0x150
[ 296.570973][ T7572] sysfs_create_dir_ns+0x271/0x2a0
[ 296.570997][ T7572] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 296.571023][ T7572] ? __pfx_sysfs_create_dir_ns+0x10/0x10
2026/04/26 11:02:37 executed programs: 210
[ 296.571069][ T7572] ? rt_spin_unlock+0x160/0x200
[ 296.571094][ T7572] kobject_add_internal+0x631/0xd10
[ 296.571123][ T7572] kobject_init_and_add+0x12b/0x1a0
[ 296.571149][ T7572] ? __pfx_kobject_init_and_add+0x10/0x10
[ 296.571172][ T7572] ? __raw_spin_lock_init+0x45/0x100
[ 296.571197][ T7572] ? __init_swait_queue_head+0xa9/0x150
[ 296.571224][ T7572] gfs2_sys_fs_add+0x257/0x480
[ 296.571248][ T7572] ? is_dynamic_key+0x1ac/0x1c0
[ 296.571275][ T7572] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 296.571308][ T7572] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 296.571355][ T7572] gfs2_fill_super+0x141c/0x2220
[ 296.571390][ T7572] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.571408][ T7572] ? rt_spin_unlock+0x14f/0x200
[ 296.571435][ T7572] ? sb_set_blocksize+0x11b/0x210
[ 296.571456][ T7572] ? setup_bdev_super+0x4c1/0x5b0
[ 296.571489][ T7572] get_tree_bdev_flags+0x431/0x4f0
[ 296.571517][ T7572] ? __pfx_gfs2_fill_super+0x10/0x10
[ 296.571537][ T7572] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 296.571563][ T7572] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 296.571600][ T7572] gfs2_get_tree+0x51/0x1e0
[ 296.571623][ T7572] vfs_get_tree+0x92/0x2a0
[ 296.571653][ T7572] do_new_mount+0x341/0xd30
[ 296.571674][ T7572] ? apparmor_capable+0x126/0x170
[ 296.571701][ T7572] ? __pfx_do_new_mount+0x10/0x10
[ 296.571724][ T7572] ? ns_capable+0x89/0xe0
[ 296.571749][ T7572] ? user_path_at+0xd4/0x160
[ 296.571778][ T7572] ? user_path_at+0xd4/0x160
[ 296.571806][ T7572] __se_sys_mount+0x31d/0x420
[ 296.571835][ T7572] ? __pfx___se_sys_mount+0x10/0x10
[ 296.571864][ T7572] ? __x64_sys_mount+0x20/0xc0
[ 296.571887][ T7572] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.571909][ T7572] do_syscall_64+0x15f/0xf80
[ 296.571935][ T7572] ? trace_irq_disable+0x3b/0x140
[ 296.571958][ T7572] ? clear_bhb_loop+0x40/0x90
[ 296.571983][ T7572] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 296.572003][ T7572] RIP: 0033:0x7f423eceb60a
[ 296.572023][ T7572] 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
[ 296.572040][ T7572] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.572062][ T7572] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 296.572077][ T7572] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 296.572092][ T7572] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 296.572106][ T7572] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 296.572120][ T7572] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 296.572151][ T7572]
[ 296.572637][ T7572] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.572654][ T7572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.172166][ T7576] loop1: detected capacity change from 0 to 32768
[ 297.186712][ T7576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.186734][ T7576] CPU: 1 UID: 0 PID: 7576 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 297.186756][ T7576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 297.186767][ T7576] Call Trace:
[ 297.186776][ T7576]
[ 297.186783][ T7576] dump_stack_lvl+0xe8/0x150
[ 297.186812][ T7576] sysfs_create_dir_ns+0x271/0x2a0
[ 297.186837][ T7576] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 297.186861][ T7576] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 297.186887][ T7576] ? rt_spin_unlock+0x160/0x200
[ 297.186920][ T7576] kobject_add_internal+0x631/0xd10
[ 297.186948][ T7576] kobject_init_and_add+0x12b/0x1a0
[ 297.186972][ T7576] ? __pfx_kobject_init_and_add+0x10/0x10
[ 297.186993][ T7576] ? __raw_spin_lock_init+0x45/0x100
[ 297.187017][ T7576] ? __init_swait_queue_head+0xa9/0x150
[ 297.187046][ T7576] gfs2_sys_fs_add+0x257/0x480
[ 297.187067][ T7576] ? is_dynamic_key+0x1ac/0x1c0
[ 297.187090][ T7576] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 297.187120][ T7576] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 297.187156][ T7576] gfs2_fill_super+0x141c/0x2220
[ 297.187190][ T7576] ? __pfx_gfs2_fill_super+0x10/0x10
[ 297.187207][ T7576] ? rt_spin_unlock+0x14f/0x200
[ 297.187235][ T7576] ? sb_set_blocksize+0x11b/0x210
[ 297.187257][ T7576] ? setup_bdev_super+0x4c1/0x5b0
[ 297.187294][ T7576] get_tree_bdev_flags+0x431/0x4f0
[ 297.187322][ T7576] ? __pfx_gfs2_fill_super+0x10/0x10
[ 297.187342][ T7576] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 297.187367][ T7576] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 297.187404][ T7576] gfs2_get_tree+0x51/0x1e0
[ 297.187427][ T7576] vfs_get_tree+0x92/0x2a0
[ 297.187454][ T7576] do_new_mount+0x341/0xd30
[ 297.187474][ T7576] ? apparmor_capable+0x126/0x170
[ 297.187498][ T7576] ? __pfx_do_new_mount+0x10/0x10
[ 297.187520][ T7576] ? ns_capable+0x89/0xe0
[ 297.187543][ T7576] ? user_path_at+0xd4/0x160
[ 297.187572][ T7576] ? user_path_at+0xd4/0x160
[ 297.187600][ T7576] __se_sys_mount+0x31d/0x420
[ 297.187629][ T7576] ? __pfx___se_sys_mount+0x10/0x10
[ 297.187658][ T7576] ? __x64_sys_mount+0x20/0xc0
[ 297.187679][ T7576] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.187700][ T7576] do_syscall_64+0x15f/0xf80
[ 297.187725][ T7576] ? trace_irq_disable+0x3b/0x140
[ 297.187746][ T7576] ? clear_bhb_loop+0x40/0x90
[ 297.187770][ T7576] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.187789][ T7576] RIP: 0033:0x7f423eceb60a
[ 297.187808][ T7576] 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
[ 297.187824][ T7576] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.187845][ T7576] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 297.187860][ T7576] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 297.187873][ T7576] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 297.187886][ T7576] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 297.187900][ T7576] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 297.187940][ T7576]
[ 297.189860][ T7576] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.189881][ T7576] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.760049][ T7580] loop1: detected capacity change from 0 to 32768
[ 297.765648][ T7580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.765668][ T7580] CPU: 1 UID: 0 PID: 7580 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 297.765690][ T7580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 297.765702][ T7580] Call Trace:
[ 297.765708][ T7580]
[ 297.765715][ T7580] dump_stack_lvl+0xe8/0x150
[ 297.765744][ T7580] sysfs_create_dir_ns+0x271/0x2a0
[ 297.765769][ T7580] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 297.765794][ T7580] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 297.765821][ T7580] ? rt_spin_unlock+0x160/0x200
[ 297.765846][ T7580] kobject_add_internal+0x631/0xd10
[ 297.765874][ T7580] kobject_init_and_add+0x12b/0x1a0
[ 297.765899][ T7580] ? __pfx_kobject_init_and_add+0x10/0x10
[ 297.765920][ T7580] ? __raw_spin_lock_init+0x45/0x100
[ 297.765945][ T7580] ? __init_swait_queue_head+0xa9/0x150
[ 297.765971][ T7580] gfs2_sys_fs_add+0x257/0x480
[ 297.766003][ T7580] ? is_dynamic_key+0x1ac/0x1c0
[ 297.766030][ T7580] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 297.766062][ T7580] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 297.766104][ T7580] gfs2_fill_super+0x141c/0x2220
[ 297.766135][ T7580] ? __pfx_gfs2_fill_super+0x10/0x10
[ 297.766150][ T7580] ? rt_spin_unlock+0x14f/0x200
[ 297.766175][ T7580] ? sb_set_blocksize+0x11b/0x210
[ 297.766195][ T7580] ? setup_bdev_super+0x4c1/0x5b0
[ 297.766225][ T7580] get_tree_bdev_flags+0x431/0x4f0
[ 297.766251][ T7580] ? __pfx_gfs2_fill_super+0x10/0x10
[ 297.766272][ T7580] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 297.766295][ T7580] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 297.766330][ T7580] gfs2_get_tree+0x51/0x1e0
[ 297.766351][ T7580] vfs_get_tree+0x92/0x2a0
[ 297.766377][ T7580] do_new_mount+0x341/0xd30
[ 297.766396][ T7580] ? apparmor_capable+0x126/0x170
[ 297.766422][ T7580] ? __pfx_do_new_mount+0x10/0x10
[ 297.766443][ T7580] ? ns_capable+0x89/0xe0
[ 297.766465][ T7580] ? user_path_at+0xd4/0x160
[ 297.766493][ T7580] ? user_path_at+0xd4/0x160
[ 297.766517][ T7580] __se_sys_mount+0x31d/0x420
[ 297.766544][ T7580] ? __pfx___se_sys_mount+0x10/0x10
[ 297.766570][ T7580] ? __x64_sys_mount+0x20/0xc0
[ 297.766592][ T7580] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.766612][ T7580] do_syscall_64+0x15f/0xf80
[ 297.766636][ T7580] ? trace_irq_disable+0x3b/0x140
[ 297.766657][ T7580] ? clear_bhb_loop+0x40/0x90
[ 297.766679][ T7580] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 297.766697][ T7580] RIP: 0033:0x7f423eceb60a
[ 297.766716][ T7580] 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
[ 297.766732][ T7580] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.766754][ T7580] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 297.766769][ T7580] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 297.766782][ T7580] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 297.766794][ T7580] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 297.766807][ T7580] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 297.766837][ T7580]
[ 297.772344][ T7580] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.772364][ T7580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.308952][ T7584] loop1: detected capacity change from 0 to 32768
[ 298.312080][ T7584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.312103][ T7584] CPU: 1 UID: 0 PID: 7584 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 298.312125][ T7584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.312137][ T7584] Call Trace:
[ 298.312145][ T7584]
[ 298.312154][ T7584] dump_stack_lvl+0xe8/0x150
[ 298.312183][ T7584] sysfs_create_dir_ns+0x271/0x2a0
[ 298.312207][ T7584] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 298.312231][ T7584] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 298.312255][ T7584] ? rt_spin_unlock+0x160/0x200
[ 298.312280][ T7584] kobject_add_internal+0x631/0xd10
[ 298.312307][ T7584] kobject_init_and_add+0x12b/0x1a0
[ 298.312333][ T7584] ? __pfx_kobject_init_and_add+0x10/0x10
[ 298.312354][ T7584] ? __raw_spin_lock_init+0x45/0x100
[ 298.312378][ T7584] ? __init_swait_queue_head+0xa9/0x150
[ 298.312402][ T7584] gfs2_sys_fs_add+0x257/0x480
[ 298.312425][ T7584] ? is_dynamic_key+0x1ac/0x1c0
[ 298.312449][ T7584] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 298.312482][ T7584] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 298.312520][ T7584] gfs2_fill_super+0x141c/0x2220
[ 298.312554][ T7584] ? __pfx_gfs2_fill_super+0x10/0x10
[ 298.312576][ T7584] ? rt_spin_unlock+0x14f/0x200
[ 298.312603][ T7584] ? sb_set_blocksize+0x11b/0x210
[ 298.312625][ T7584] ? setup_bdev_super+0x4c1/0x5b0
[ 298.312654][ T7584] get_tree_bdev_flags+0x431/0x4f0
[ 298.312681][ T7584] ? __pfx_gfs2_fill_super+0x10/0x10
[ 298.312701][ T7584] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 298.312726][ T7584] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 298.312763][ T7584] gfs2_get_tree+0x51/0x1e0
[ 298.312785][ T7584] vfs_get_tree+0x92/0x2a0
[ 298.312816][ T7584] do_new_mount+0x341/0xd30
[ 298.312836][ T7584] ? apparmor_capable+0x126/0x170
[ 298.312862][ T7584] ? __pfx_do_new_mount+0x10/0x10
[ 298.312890][ T7584] ? ns_capable+0x89/0xe0
[ 298.312914][ T7584] ? user_path_at+0xd4/0x160
[ 298.312958][ T7584] ? user_path_at+0xd4/0x160
[ 298.312985][ T7584] __se_sys_mount+0x31d/0x420
[ 298.313015][ T7584] ? __pfx___se_sys_mount+0x10/0x10
[ 298.313043][ T7584] ? __x64_sys_mount+0x20/0xc0
[ 298.313064][ T7584] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 298.313086][ T7584] do_syscall_64+0x15f/0xf80
[ 298.313111][ T7584] ? trace_irq_disable+0x3b/0x140
[ 298.313133][ T7584] ? clear_bhb_loop+0x40/0x90
[ 298.313157][ T7584] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 298.313175][ T7584] RIP: 0033:0x7f423eceb60a
[ 298.313193][ T7584] 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
[ 298.313211][ T7584] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.313231][ T7584] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 298.313244][ T7584] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 298.313258][ T7584] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 298.313272][ T7584] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 298.313285][ T7584] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 298.313312][ T7584]
[ 298.313360][ T7584] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.313377][ T7584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.727201][ T5918] Bluetooth: hci1: command 0x0406 tx timeout
[ 298.860725][ T7588] loop1: detected capacity change from 0 to 32768
[ 298.884616][ T7588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.884632][ T7588] CPU: 0 UID: 0 PID: 7588 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 298.884645][ T7588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.884652][ T7588] Call Trace:
[ 298.884657][ T7588]
[ 298.884662][ T7588] dump_stack_lvl+0xe8/0x150
[ 298.884679][ T7588] sysfs_create_dir_ns+0x271/0x2a0
[ 298.884694][ T7588] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 298.884708][ T7588] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 298.884722][ T7588] ? rt_spin_unlock+0x160/0x200
[ 298.884736][ T7588] kobject_add_internal+0x631/0xd10
[ 298.884751][ T7588] kobject_init_and_add+0x12b/0x1a0
[ 298.884764][ T7588] ? __pfx_kobject_init_and_add+0x10/0x10
[ 298.884776][ T7588] ? __raw_spin_lock_init+0x45/0x100
[ 298.884789][ T7588] ? __init_swait_queue_head+0xa9/0x150
[ 298.884803][ T7588] gfs2_sys_fs_add+0x257/0x480
[ 298.884818][ T7588] ? is_dynamic_key+0x1ac/0x1c0
[ 298.884831][ T7588] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 298.884851][ T7588] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 298.884872][ T7588] gfs2_fill_super+0x141c/0x2220
[ 298.884890][ T7588] ? __pfx_gfs2_fill_super+0x10/0x10
[ 298.884900][ T7588] ? rt_spin_unlock+0x14f/0x200
[ 298.884916][ T7588] ? sb_set_blocksize+0x11b/0x210
[ 298.884937][ T7588] ? setup_bdev_super+0x4c1/0x5b0
[ 298.884959][ T7588] get_tree_bdev_flags+0x431/0x4f0
[ 298.884975][ T7588] ? __pfx_gfs2_fill_super+0x10/0x10
[ 298.884985][ T7588] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 298.884999][ T7588] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 298.885019][ T7588] gfs2_get_tree+0x51/0x1e0
[ 298.885032][ T7588] vfs_get_tree+0x92/0x2a0
[ 298.885048][ T7588] do_new_mount+0x341/0xd30
[ 298.885060][ T7588] ? apparmor_capable+0x126/0x170
[ 298.885074][ T7588] ? __pfx_do_new_mount+0x10/0x10
[ 298.885086][ T7588] ? ns_capable+0x89/0xe0
[ 298.885106][ T7588] ? user_path_at+0xd4/0x160
[ 298.885123][ T7588] ? user_path_at+0xd4/0x160
[ 298.885137][ T7588] __se_sys_mount+0x31d/0x420
[ 298.885152][ T7588] ? __pfx___se_sys_mount+0x10/0x10
[ 298.885168][ T7588] ? __x64_sys_mount+0x20/0xc0
[ 298.885180][ T7588] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 298.885192][ T7588] do_syscall_64+0x15f/0xf80
[ 298.885207][ T7588] ? trace_irq_disable+0x3b/0x140
[ 298.885219][ T7588] ? clear_bhb_loop+0x40/0x90
[ 298.885232][ T7588] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 298.885243][ T7588] RIP: 0033:0x7f423eceb60a
[ 298.885254][ T7588] 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
[ 298.885264][ T7588] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.885276][ T7588] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 298.885284][ T7588] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 298.885292][ T7588] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 298.885300][ T7588] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 298.885310][ T7588] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 298.885326][ T7588]
[ 298.885342][ T7588] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.885351][ T7588] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.440756][ T7592] loop1: detected capacity change from 0 to 32768
[ 299.454052][ T7592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 299.454073][ T7592] CPU: 0 UID: 0 PID: 7592 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 299.454096][ T7592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 299.454107][ T7592] Call Trace:
[ 299.454115][ T7592]
[ 299.454123][ T7592] dump_stack_lvl+0xe8/0x150
[ 299.454153][ T7592] sysfs_create_dir_ns+0x271/0x2a0
[ 299.454177][ T7592] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 299.454202][ T7592] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 299.454227][ T7592] ? rt_spin_unlock+0x160/0x200
[ 299.454251][ T7592] kobject_add_internal+0x631/0xd10
[ 299.454280][ T7592] kobject_init_and_add+0x12b/0x1a0
[ 299.454306][ T7592] ? __pfx_kobject_init_and_add+0x10/0x10
[ 299.454327][ T7592] ? __raw_spin_lock_init+0x45/0x100
[ 299.454351][ T7592] ? __init_swait_queue_head+0xa9/0x150
[ 299.454377][ T7592] gfs2_sys_fs_add+0x257/0x480
[ 299.454401][ T7592] ? is_dynamic_key+0x1ac/0x1c0
[ 299.454426][ T7592] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 299.454459][ T7592] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 299.454497][ T7592] gfs2_fill_super+0x141c/0x2220
[ 299.454532][ T7592] ? __pfx_gfs2_fill_super+0x10/0x10
[ 299.454549][ T7592] ? rt_spin_unlock+0x14f/0x200
[ 299.454575][ T7592] ? sb_set_blocksize+0x11b/0x210
[ 299.454598][ T7592] ? setup_bdev_super+0x4c1/0x5b0
[ 299.454628][ T7592] get_tree_bdev_flags+0x431/0x4f0
[ 299.454656][ T7592] ? __pfx_gfs2_fill_super+0x10/0x10
[ 299.454676][ T7592] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 299.454702][ T7592] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 299.454740][ T7592] gfs2_get_tree+0x51/0x1e0
[ 299.454762][ T7592] vfs_get_tree+0x92/0x2a0
[ 299.454792][ T7592] do_new_mount+0x341/0xd30
[ 299.454813][ T7592] ? apparmor_capable+0x126/0x170
[ 299.454847][ T7592] ? __pfx_do_new_mount+0x10/0x10
[ 299.454869][ T7592] ? ns_capable+0x89/0xe0
[ 299.454893][ T7592] ? user_path_at+0xd4/0x160
[ 299.454922][ T7592] ? user_path_at+0xd4/0x160
[ 299.454949][ T7592] __se_sys_mount+0x31d/0x420
[ 299.454982][ T7592] ? __pfx___se_sys_mount+0x10/0x10
[ 299.455011][ T7592] ? __x64_sys_mount+0x20/0xc0
[ 299.455034][ T7592] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 299.455055][ T7592] do_syscall_64+0x15f/0xf80
[ 299.455082][ T7592] ? trace_irq_disable+0x3b/0x140
[ 299.455104][ T7592] ? clear_bhb_loop+0x40/0x90
[ 299.455128][ T7592] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 299.455148][ T7592] RIP: 0033:0x7f423eceb60a
[ 299.455166][ T7592] 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
[ 299.455183][ T7592] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.455205][ T7592] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 299.455219][ T7592] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 299.455237][ T7592] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 299.455251][ T7592] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 299.455264][ T7592] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 299.455295][ T7592]
[ 299.455370][ T7592] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.455387][ T7592] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.028290][ T7596] loop1: detected capacity change from 0 to 32768
[ 300.032460][ T7596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.032481][ T7596] CPU: 0 UID: 0 PID: 7596 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 300.032504][ T7596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.032516][ T7596] Call Trace:
[ 300.032524][ T7596]
[ 300.032533][ T7596] dump_stack_lvl+0xe8/0x150
[ 300.032561][ T7596] sysfs_create_dir_ns+0x271/0x2a0
[ 300.032587][ T7596] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 300.032613][ T7596] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 300.032641][ T7596] ? rt_spin_unlock+0x160/0x200
[ 300.032665][ T7596] kobject_add_internal+0x631/0xd10
[ 300.032694][ T7596] kobject_init_and_add+0x12b/0x1a0
[ 300.032719][ T7596] ? __pfx_kobject_init_and_add+0x10/0x10
[ 300.032740][ T7596] ? __raw_spin_lock_init+0x45/0x100
[ 300.032764][ T7596] ? __init_swait_queue_head+0xa9/0x150
[ 300.032789][ T7596] gfs2_sys_fs_add+0x257/0x480
[ 300.032813][ T7596] ? is_dynamic_key+0x1ac/0x1c0
[ 300.032835][ T7596] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 300.032864][ T7596] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 300.032901][ T7596] gfs2_fill_super+0x141c/0x2220
[ 300.032935][ T7596] ? __pfx_gfs2_fill_super+0x10/0x10
[ 300.032953][ T7596] ? rt_spin_unlock+0x14f/0x200
[ 300.032979][ T7596] ? sb_set_blocksize+0x11b/0x210
[ 300.033008][ T7596] ? setup_bdev_super+0x4c1/0x5b0
[ 300.033037][ T7596] get_tree_bdev_flags+0x431/0x4f0
[ 300.033063][ T7596] ? __pfx_gfs2_fill_super+0x10/0x10
[ 300.033081][ T7596] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 300.033105][ T7596] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 300.033145][ T7596] gfs2_get_tree+0x51/0x1e0
[ 300.033166][ T7596] vfs_get_tree+0x92/0x2a0
[ 300.033192][ T7596] do_new_mount+0x341/0xd30
[ 300.033211][ T7596] ? apparmor_capable+0x126/0x170
[ 300.033236][ T7596] ? __pfx_do_new_mount+0x10/0x10
[ 300.033257][ T7596] ? ns_capable+0x89/0xe0
[ 300.033279][ T7596] ? user_path_at+0xd4/0x160
[ 300.033307][ T7596] ? user_path_at+0xd4/0x160
[ 300.033332][ T7596] __se_sys_mount+0x31d/0x420
[ 300.033358][ T7596] ? __pfx___se_sys_mount+0x10/0x10
[ 300.033385][ T7596] ? __x64_sys_mount+0x20/0xc0
[ 300.033407][ T7596] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 300.033428][ T7596] do_syscall_64+0x15f/0xf80
[ 300.033452][ T7596] ? trace_irq_disable+0x3b/0x140
[ 300.033474][ T7596] ? clear_bhb_loop+0x40/0x90
[ 300.033497][ T7596] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 300.033516][ T7596] RIP: 0033:0x7f423eceb60a
[ 300.033534][ T7596] 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
[ 300.033550][ T7596] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 300.033569][ T7596] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 300.033583][ T7596] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 300.033595][ T7596] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 300.033606][ T7596] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 300.033617][ T7596] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 300.033642][ T7596]
[ 300.033681][ T7596] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 300.033752][ T7596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.627028][ T7600] loop1: detected capacity change from 0 to 32768
[ 300.632448][ T7600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.632469][ T7600] CPU: 0 UID: 0 PID: 7600 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 300.632491][ T7600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.632503][ T7600] Call Trace:
[ 300.632511][ T7600]
[ 300.632520][ T7600] dump_stack_lvl+0xe8/0x150
[ 300.632548][ T7600] sysfs_create_dir_ns+0x271/0x2a0
[ 300.632574][ T7600] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 300.632599][ T7600] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 300.632630][ T7600] ? rt_spin_unlock+0x160/0x200
[ 300.632654][ T7600] kobject_add_internal+0x631/0xd10
[ 300.632682][ T7600] kobject_init_and_add+0x12b/0x1a0
[ 300.632707][ T7600] ? __pfx_kobject_init_and_add+0x10/0x10
[ 300.632729][ T7600] ? __raw_spin_lock_init+0x45/0x100
[ 300.632753][ T7600] ? __init_swait_queue_head+0xa9/0x150
[ 300.632778][ T7600] gfs2_sys_fs_add+0x257/0x480
[ 300.632803][ T7600] ? is_dynamic_key+0x1ac/0x1c0
[ 300.632827][ T7600] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 300.632859][ T7600] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 300.632898][ T7600] gfs2_fill_super+0x141c/0x2220
[ 300.632940][ T7600] ? __pfx_gfs2_fill_super+0x10/0x10
[ 300.632958][ T7600] ? rt_spin_unlock+0x14f/0x200
[ 300.632984][ T7600] ? sb_set_blocksize+0x11b/0x210
[ 300.633006][ T7600] ? setup_bdev_super+0x4c1/0x5b0
[ 300.633036][ T7600] get_tree_bdev_flags+0x431/0x4f0
[ 300.633065][ T7600] ? __pfx_gfs2_fill_super+0x10/0x10
[ 300.633084][ T7600] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 300.633108][ T7600] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 300.633143][ T7600] gfs2_get_tree+0x51/0x1e0
[ 300.633166][ T7600] vfs_get_tree+0x92/0x2a0
[ 300.633196][ T7600] do_new_mount+0x341/0xd30
[ 300.633218][ T7600] ? apparmor_capable+0x126/0x170
[ 300.633245][ T7600] ? __pfx_do_new_mount+0x10/0x10
[ 300.633268][ T7600] ? ns_capable+0x89/0xe0
[ 300.633293][ T7600] ? user_path_at+0xd4/0x160
[ 300.633322][ T7600] ? user_path_at+0xd4/0x160
[ 300.633350][ T7600] __se_sys_mount+0x31d/0x420
[ 300.633379][ T7600] ? __pfx___se_sys_mount+0x10/0x10
[ 300.633406][ T7600] ? __x64_sys_mount+0x20/0xc0
[ 300.633428][ T7600] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 300.633449][ T7600] do_syscall_64+0x15f/0xf80
[ 300.633475][ T7600] ? trace_irq_disable+0x3b/0x140
[ 300.633496][ T7600] ? clear_bhb_loop+0x40/0x90
[ 300.633517][ T7600] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 300.633534][ T7600] RIP: 0033:0x7f423eceb60a
[ 300.633552][ T7600] 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
[ 300.633569][ T7600] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 300.633589][ T7600] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 300.633603][ T7600] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 300.633618][ T7600] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 300.633632][ T7600] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 300.633646][ T7600] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 300.633674][ T7600]
[ 300.633766][ T7600] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 300.633782][ T7600] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 301.231791][ T7604] loop1: detected capacity change from 0 to 32768
[ 301.244585][ T7604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 301.244607][ T7604] CPU: 0 UID: 0 PID: 7604 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 301.244629][ T7604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 301.244649][ T7604] Call Trace:
[ 301.244657][ T7604]
[ 301.244666][ T7604] dump_stack_lvl+0xe8/0x150
[ 301.244695][ T7604] sysfs_create_dir_ns+0x271/0x2a0
[ 301.244721][ T7604] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 301.244744][ T7604] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 301.244770][ T7604] ? rt_spin_unlock+0x160/0x200
[ 301.244794][ T7604] kobject_add_internal+0x631/0xd10
[ 301.244820][ T7604] kobject_init_and_add+0x12b/0x1a0
[ 301.244846][ T7604] ? __pfx_kobject_init_and_add+0x10/0x10
[ 301.244866][ T7604] ? __raw_spin_lock_init+0x45/0x100
[ 301.244889][ T7604] ? __init_swait_queue_head+0xa9/0x150
[ 301.244914][ T7604] gfs2_sys_fs_add+0x257/0x480
[ 301.244937][ T7604] ? is_dynamic_key+0x1ac/0x1c0
[ 301.244962][ T7604] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 301.244997][ T7604] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 301.245035][ T7604] gfs2_fill_super+0x141c/0x2220
[ 301.245070][ T7604] ? __pfx_gfs2_fill_super+0x10/0x10
[ 301.245087][ T7604] ? rt_spin_unlock+0x14f/0x200
[ 301.245112][ T7604] ? sb_set_blocksize+0x11b/0x210
[ 301.245135][ T7604] ? setup_bdev_super+0x4c1/0x5b0
[ 301.245166][ T7604] get_tree_bdev_flags+0x431/0x4f0
[ 301.245194][ T7604] ? __pfx_gfs2_fill_super+0x10/0x10
[ 301.245212][ T7604] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 301.245237][ T7604] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 301.245273][ T7604] gfs2_get_tree+0x51/0x1e0
[ 301.245297][ T7604] vfs_get_tree+0x92/0x2a0
[ 301.245327][ T7604] do_new_mount+0x341/0xd30
[ 301.245348][ T7604] ? apparmor_capable+0x126/0x170
[ 301.245375][ T7604] ? __pfx_do_new_mount+0x10/0x10
[ 301.245396][ T7604] ? ns_capable+0x89/0xe0
[ 301.245420][ T7604] ? user_path_at+0xd4/0x160
[ 301.245448][ T7604] ? user_path_at+0xd4/0x160
[ 301.245474][ T7604] __se_sys_mount+0x31d/0x420
[ 301.245501][ T7604] ? __pfx___se_sys_mount+0x10/0x10
[ 301.245529][ T7604] ? __x64_sys_mount+0x20/0xc0
[ 301.245551][ T7604] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 301.245572][ T7604] do_syscall_64+0x15f/0xf80
[ 301.245597][ T7604] ? trace_irq_disable+0x3b/0x140
[ 301.245619][ T7604] ? clear_bhb_loop+0x40/0x90
[ 301.245651][ T7604] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 301.245681][ T7604] RIP: 0033:0x7f423eceb60a
[ 301.245700][ T7604] 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
[ 301.245716][ T7604] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.245738][ T7604] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 301.245752][ T7604] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 301.245766][ T7604] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 301.245779][ T7604] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 301.245792][ T7604] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 301.245823][ T7604]
[ 301.245868][ T7604] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.245883][ T7604] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 301.738114][ T7608] loop1: detected capacity change from 0 to 32768
[ 301.755711][ T7608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 301.755734][ T7608] CPU: 0 UID: 0 PID: 7608 Comm: syz.1.233 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 301.755758][ T7608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 301.755770][ T7608] Call Trace:
[ 301.755778][ T7608]
[ 301.755787][ T7608] dump_stack_lvl+0xe8/0x150
[ 301.755815][ T7608] sysfs_create_dir_ns+0x271/0x2a0
[ 301.755841][ T7608] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 301.755873][ T7608] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 301.755901][ T7608] ? rt_spin_unlock+0x160/0x200
[ 301.755928][ T7608] kobject_add_internal+0x631/0xd10
[ 301.755956][ T7608] kobject_init_and_add+0x12b/0x1a0
[ 301.755981][ T7608] ? __pfx_kobject_init_and_add+0x10/0x10
[ 301.756003][ T7608] ? __raw_spin_lock_init+0x45/0x100
[ 301.756028][ T7608] ? __init_swait_queue_head+0xa9/0x150
[ 301.756054][ T7608] gfs2_sys_fs_add+0x257/0x480
[ 301.756078][ T7608] ? is_dynamic_key+0x1ac/0x1c0
[ 301.756103][ T7608] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 301.756136][ T7608] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 301.756177][ T7608] gfs2_fill_super+0x141c/0x2220
[ 301.756214][ T7608] ? __pfx_gfs2_fill_super+0x10/0x10
[ 301.756232][ T7608] ? rt_spin_unlock+0x14f/0x200
[ 301.756259][ T7608] ? sb_set_blocksize+0x11b/0x210
[ 301.756282][ T7608] ? setup_bdev_super+0x4c1/0x5b0
[ 301.756313][ T7608] get_tree_bdev_flags+0x431/0x4f0
[ 301.756342][ T7608] ? __pfx_gfs2_fill_super+0x10/0x10
[ 301.756362][ T7608] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 301.756388][ T7608] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 301.756426][ T7608] gfs2_get_tree+0x51/0x1e0
[ 301.756449][ T7608] vfs_get_tree+0x92/0x2a0
[ 301.756479][ T7608] do_new_mount+0x341/0xd30
[ 301.756501][ T7608] ? apparmor_capable+0x126/0x170
[ 301.756528][ T7608] ? __pfx_do_new_mount+0x10/0x10
[ 301.756551][ T7608] ? ns_capable+0x89/0xe0
[ 301.756575][ T7608] ? user_path_at+0xd4/0x160
[ 301.756605][ T7608] ? user_path_at+0xd4/0x160
[ 301.756631][ T7608] __se_sys_mount+0x31d/0x420
[ 301.756661][ T7608] ? __pfx___se_sys_mount+0x10/0x10
[ 301.756691][ T7608] ? __x64_sys_mount+0x20/0xc0
[ 301.756711][ T7608] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 301.756733][ T7608] do_syscall_64+0x15f/0xf80
[ 301.756758][ T7608] ? trace_irq_disable+0x3b/0x140
[ 301.756780][ T7608] ? clear_bhb_loop+0x40/0x90
[ 301.756804][ T7608] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 301.756824][ T7608] RIP: 0033:0x7f423eceb60a
[ 301.756844][ T7608] 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
[ 301.756868][ T7608] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.756889][ T7608] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
2026/04/26 11:02:42 executed programs: 219
[ 301.756905][ T7608] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 301.756919][ T7608] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 301.756933][ T7608] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 301.756946][ T7608] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 301.756978][ T7608]
[ 301.762222][ T7608] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.762243][ T7608] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.333217][ T7612] loop1: detected capacity change from 0 to 32768
[ 302.345026][ T7612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.345047][ T7612] CPU: 1 UID: 0 PID: 7612 Comm: syz.1.234 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 302.345068][ T7612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.345079][ T7612] Call Trace:
[ 302.345090][ T7612]
[ 302.345099][ T7612] dump_stack_lvl+0xe8/0x150
[ 302.345127][ T7612] sysfs_create_dir_ns+0x271/0x2a0
[ 302.345150][ T7612] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 302.345174][ T7612] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 302.345200][ T7612] ? rt_spin_unlock+0x160/0x200
[ 302.345225][ T7612] kobject_add_internal+0x631/0xd10
[ 302.345251][ T7612] kobject_init_and_add+0x12b/0x1a0
[ 302.345277][ T7612] ? __pfx_kobject_init_and_add+0x10/0x10
[ 302.345298][ T7612] ? __raw_spin_lock_init+0x45/0x100
[ 302.345321][ T7612] ? __init_swait_queue_head+0xa9/0x150
[ 302.345348][ T7612] gfs2_sys_fs_add+0x257/0x480
[ 302.345372][ T7612] ? is_dynamic_key+0x1ac/0x1c0
[ 302.345397][ T7612] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 302.345430][ T7612] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 302.345470][ T7612] gfs2_fill_super+0x141c/0x2220
[ 302.345504][ T7612] ? __pfx_gfs2_fill_super+0x10/0x10
[ 302.345521][ T7612] ? rt_spin_unlock+0x14f/0x200
[ 302.345547][ T7612] ? sb_set_blocksize+0x11b/0x210
[ 302.345569][ T7612] ? setup_bdev_super+0x4c1/0x5b0
[ 302.345599][ T7612] get_tree_bdev_flags+0x431/0x4f0
[ 302.345628][ T7612] ? __pfx_gfs2_fill_super+0x10/0x10
[ 302.345648][ T7612] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 302.345674][ T7612] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 302.345711][ T7612] gfs2_get_tree+0x51/0x1e0
[ 302.345734][ T7612] vfs_get_tree+0x92/0x2a0
[ 302.345764][ T7612] do_new_mount+0x341/0xd30
[ 302.345785][ T7612] ? apparmor_capable+0x126/0x170
[ 302.345818][ T7612] ? __pfx_do_new_mount+0x10/0x10
[ 302.345841][ T7612] ? ns_capable+0x89/0xe0
[ 302.345865][ T7612] ? user_path_at+0xd4/0x160
[ 302.345895][ T7612] ? user_path_at+0xd4/0x160
[ 302.345921][ T7612] __se_sys_mount+0x31d/0x420
[ 302.345949][ T7612] ? __pfx___se_sys_mount+0x10/0x10
[ 302.345977][ T7612] ? __x64_sys_mount+0x20/0xc0
[ 302.345999][ T7612] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 302.346021][ T7612] do_syscall_64+0x15f/0xf80
[ 302.346047][ T7612] ? trace_irq_disable+0x3b/0x140
[ 302.346070][ T7612] ? clear_bhb_loop+0x40/0x90
[ 302.346092][ T7612] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 302.346112][ T7612] RIP: 0033:0x7f423eceb60a
[ 302.346130][ T7612] 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
[ 302.346147][ T7612] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 302.346169][ T7612] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 302.346184][ T7612] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 302.346199][ T7612] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 302.346212][ T7612] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 302.346225][ T7612] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 302.346254][ T7612]
[ 302.346811][ T7612] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 302.346828][ T7612] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.893358][ T7616] loop1: detected capacity change from 0 to 32768
[ 302.905650][ T7616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.905666][ T7616] CPU: 0 UID: 0 PID: 7616 Comm: syz.1.235 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 302.905680][ T7616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.905687][ T7616] Call Trace:
[ 302.905691][ T7616]
[ 302.905696][ T7616] dump_stack_lvl+0xe8/0x150
[ 302.905715][ T7616] sysfs_create_dir_ns+0x271/0x2a0
[ 302.905738][ T7616] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 302.905753][ T7616] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 302.905767][ T7616] ? rt_spin_unlock+0x160/0x200
[ 302.905781][ T7616] kobject_add_internal+0x631/0xd10
[ 302.905796][ T7616] kobject_init_and_add+0x12b/0x1a0
[ 302.905809][ T7616] ? __pfx_kobject_init_and_add+0x10/0x10
[ 302.905823][ T7616] ? __raw_spin_lock_init+0x45/0x100
[ 302.905837][ T7616] ? __init_swait_queue_head+0xa9/0x150
[ 302.905851][ T7616] gfs2_sys_fs_add+0x257/0x480
[ 302.905865][ T7616] ? is_dynamic_key+0x1ac/0x1c0
[ 302.905879][ T7616] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 302.905896][ T7616] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 302.905917][ T7616] gfs2_fill_super+0x141c/0x2220
[ 302.905935][ T7616] ? __pfx_gfs2_fill_super+0x10/0x10
[ 302.905945][ T7616] ? rt_spin_unlock+0x14f/0x200
[ 302.905959][ T7616] ? sb_set_blocksize+0x11b/0x210
[ 302.905970][ T7616] ? setup_bdev_super+0x4c1/0x5b0
[ 302.905987][ T7616] get_tree_bdev_flags+0x431/0x4f0
[ 302.906003][ T7616] ? __pfx_gfs2_fill_super+0x10/0x10
[ 302.906013][ T7616] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 302.906027][ T7616] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 302.906047][ T7616] gfs2_get_tree+0x51/0x1e0
[ 302.906059][ T7616] vfs_get_tree+0x92/0x2a0
[ 302.906075][ T7616] do_new_mount+0x341/0xd30
[ 302.906087][ T7616] ? apparmor_capable+0x126/0x170
[ 302.906101][ T7616] ? __pfx_do_new_mount+0x10/0x10
[ 302.906114][ T7616] ? ns_capable+0x89/0xe0
[ 302.906127][ T7616] ? user_path_at+0xd4/0x160
[ 302.906143][ T7616] ? user_path_at+0xd4/0x160
[ 302.906162][ T7616] __se_sys_mount+0x31d/0x420
[ 302.906189][ T7616] ? __pfx___se_sys_mount+0x10/0x10
[ 302.906206][ T7616] ? __x64_sys_mount+0x20/0xc0
[ 302.906218][ T7616] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 302.906229][ T7616] do_syscall_64+0x15f/0xf80
[ 302.906245][ T7616] ? trace_irq_disable+0x3b/0x140
[ 302.906257][ T7616] ? clear_bhb_loop+0x40/0x90
[ 302.906270][ T7616] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 302.906281][ T7616] RIP: 0033:0x7f423eceb60a
[ 302.906292][ T7616] 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
[ 302.906302][ T7616] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 302.906314][ T7616] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 302.906322][ T7616] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 302.906330][ T7616] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 302.906337][ T7616] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 302.906345][ T7616] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 302.906360][ T7616]
[ 302.906376][ T7616] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 302.906384][ T7616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 303.459704][ T7620] loop1: detected capacity change from 0 to 32768
[ 303.466004][ T7620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 303.466026][ T7620] CPU: 0 UID: 0 PID: 7620 Comm: syz.1.236 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 303.466047][ T7620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 303.466057][ T7620] Call Trace:
[ 303.466064][ T7620]
[ 303.466073][ T7620] dump_stack_lvl+0xe8/0x150
[ 303.466100][ T7620] sysfs_create_dir_ns+0x271/0x2a0
[ 303.466124][ T7620] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 303.466147][ T7620] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 303.466171][ T7620] ? rt_spin_unlock+0x160/0x200
[ 303.466193][ T7620] kobject_add_internal+0x631/0xd10
[ 303.466219][ T7620] kobject_init_and_add+0x12b/0x1a0
[ 303.466243][ T7620] ? __pfx_kobject_init_and_add+0x10/0x10
[ 303.466262][ T7620] ? __raw_spin_lock_init+0x45/0x100
[ 303.466286][ T7620] ? __init_swait_queue_head+0xa9/0x150
[ 303.466310][ T7620] gfs2_sys_fs_add+0x257/0x480
[ 303.466333][ T7620] ? is_dynamic_key+0x1ac/0x1c0
[ 303.466359][ T7620] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 303.466392][ T7620] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 303.466430][ T7620] gfs2_fill_super+0x141c/0x2220
[ 303.466465][ T7620] ? __pfx_gfs2_fill_super+0x10/0x10
[ 303.466482][ T7620] ? rt_spin_unlock+0x14f/0x200
[ 303.466512][ T7620] ? sb_set_blocksize+0x11b/0x210
[ 303.466535][ T7620] ? setup_bdev_super+0x4c1/0x5b0
[ 303.466566][ T7620] get_tree_bdev_flags+0x431/0x4f0
[ 303.466595][ T7620] ? __pfx_gfs2_fill_super+0x10/0x10
[ 303.466613][ T7620] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 303.466640][ T7620] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 303.466675][ T7620] gfs2_get_tree+0x51/0x1e0
[ 303.466698][ T7620] vfs_get_tree+0x92/0x2a0
[ 303.466735][ T7620] do_new_mount+0x341/0xd30
[ 303.466757][ T7620] ? apparmor_capable+0x126/0x170
[ 303.466783][ T7620] ? __pfx_do_new_mount+0x10/0x10
[ 303.466804][ T7620] ? ns_capable+0x89/0xe0
[ 303.466829][ T7620] ? user_path_at+0xd4/0x160
[ 303.466858][ T7620] ? user_path_at+0xd4/0x160
[ 303.466886][ T7620] __se_sys_mount+0x31d/0x420
[ 303.466916][ T7620] ? __pfx___se_sys_mount+0x10/0x10
[ 303.466946][ T7620] ? __x64_sys_mount+0x20/0xc0
[ 303.466968][ T7620] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 303.466990][ T7620] do_syscall_64+0x15f/0xf80
[ 303.467016][ T7620] ? trace_irq_disable+0x3b/0x140
[ 303.467039][ T7620] ? clear_bhb_loop+0x40/0x90
[ 303.467060][ T7620] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 303.467077][ T7620] RIP: 0033:0x7f423eceb60a
[ 303.467096][ T7620] 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
[ 303.467111][ T7620] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.467131][ T7620] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 303.467145][ T7620] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 303.467157][ T7620] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 303.467170][ T7620] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 303.467183][ T7620] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 303.467211][ T7620]
[ 303.467548][ T7620] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.467566][ T7620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 304.011831][ T7624] loop1: detected capacity change from 0 to 32768
[ 304.017030][ T7624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 304.029818][ T7624] CPU: 0 UID: 0 PID: 7624 Comm: syz.1.237 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 304.029849][ T7624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.029865][ T7624] Call Trace:
[ 304.029876][ T7624]
[ 304.029885][ T7624] dump_stack_lvl+0xe8/0x150
[ 304.029912][ T7624] sysfs_create_dir_ns+0x271/0x2a0
[ 304.029936][ T7624] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 304.029960][ T7624] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 304.029987][ T7624] ? rt_spin_unlock+0x160/0x200
[ 304.030010][ T7624] kobject_add_internal+0x631/0xd10
[ 304.030038][ T7624] kobject_init_and_add+0x12b/0x1a0
[ 304.030063][ T7624] ? __pfx_kobject_init_and_add+0x10/0x10
[ 304.030084][ T7624] ? __raw_spin_lock_init+0x45/0x100
[ 304.030107][ T7624] ? __init_swait_queue_head+0xa9/0x150
[ 304.030131][ T7624] gfs2_sys_fs_add+0x257/0x480
[ 304.030154][ T7624] ? is_dynamic_key+0x1ac/0x1c0
[ 304.030179][ T7624] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 304.030211][ T7624] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 304.030247][ T7624] gfs2_fill_super+0x141c/0x2220
[ 304.030280][ T7624] ? __pfx_gfs2_fill_super+0x10/0x10
[ 304.030298][ T7624] ? rt_spin_unlock+0x14f/0x200
[ 304.030323][ T7624] ? sb_set_blocksize+0x11b/0x210
[ 304.030344][ T7624] ? setup_bdev_super+0x4c1/0x5b0
[ 304.030392][ T7624] get_tree_bdev_flags+0x431/0x4f0
[ 304.030420][ T7624] ? __pfx_gfs2_fill_super+0x10/0x10
[ 304.030438][ T7624] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 304.030462][ T7624] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 304.030499][ T7624] gfs2_get_tree+0x51/0x1e0
[ 304.030522][ T7624] vfs_get_tree+0x92/0x2a0
[ 304.030551][ T7624] do_new_mount+0x341/0xd30
[ 304.030571][ T7624] ? apparmor_capable+0x126/0x170
[ 304.030596][ T7624] ? __pfx_do_new_mount+0x10/0x10
[ 304.030618][ T7624] ? ns_capable+0x89/0xe0
[ 304.030647][ T7624] ? user_path_at+0xd4/0x160
[ 304.030674][ T7624] ? user_path_at+0xd4/0x160
[ 304.030700][ T7624] __se_sys_mount+0x31d/0x420
[ 304.030728][ T7624] ? __pfx___se_sys_mount+0x10/0x10
[ 304.030756][ T7624] ? __x64_sys_mount+0x20/0xc0
[ 304.030778][ T7624] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 304.030797][ T7624] do_syscall_64+0x15f/0xf80
[ 304.030823][ T7624] ? trace_irq_disable+0x3b/0x140
[ 304.030845][ T7624] ? clear_bhb_loop+0x40/0x90
[ 304.030868][ T7624] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 304.030886][ T7624] RIP: 0033:0x7f423eceb60a
[ 304.030904][ T7624] 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
[ 304.030921][ T7624] RSP: 002b:00007f423e34de58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 304.030941][ T7624] RAX: ffffffffffffffda RBX: 00007f423e34dee0 RCX: 00007f423eceb60a
[ 304.030956][ T7624] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f423e34dea0
[ 304.030970][ T7624] RBP: 000020000001f680 R08: 00007f423e34dee0 R09: 0000000000000094
[ 304.030983][ T7624] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 304.030996][ T7624] R13: 0000[ 304.030996][ T7624] R13: 00007f423e34dea0 R14: 000000000001f790 R15: 00002000000001c0
[ 304.031025][ T7624]
[ 304.031075][ T7624] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 304.031090][ T7624] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 304.327429][ T38] INFO: task syz.0.18:6711 blocked in I/O wait for more than 143 seconds.
[ 304.327451][ T38] Not tainted syzkaller #0
[ 304.327462][ T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 304.327482][ T38] task:syz.0.18 state:D stack:25752 pid:6711 tgid:6711 ppid:6562 task_flags:0x400040 flags:0x00080002
[ 304.327532][ T38] Call Trace:
[ 304.327539][ T38]
[ 304.327550][ T38] __schedule+0x169e/0x54f0
[ 304.327581][ T38] ? __lock_acquire+0x6b5/0x2cf0
[ 304.327614][ T38] ? do_raw_spin_lock+0x12b/0x2f0
[ 304.327649][ T38] ? __pfx___schedule+0x10/0x10
[ 304.327684][ T38] ? schedule+0x90/0x360
[ 304.327711][ T38] schedule+0x164/0x360
[ 304.327739][ T38] io_schedule+0x7f/0xd0
[ 304.327765][ T38] folio_wait_bit_common+0x6dd/0xbc0
[ 304.327809][ T38] ? filemap_get_folios_tag+0x118/0x720
[ 304.327847][ T38] ? __pfx_folio_wait_bit_common+0x10/0x10
[ 304.327879][ T38] ? __pfx_wake_page_function+0x10/0x10
[ 304.327918][ T38] ? writeback_iter+0x853/0x1290
[ 304.327944][ T38] writeback_iter+0x8d8/0x1290
[ 304.327983][ T38] iomap_writepages+0x152/0x2e0
[ 304.328014][ T38] ? __pfx_iomap_writepages+0x10/0x10
[ 304.328051][ T38] gfs2_writepages+0x1bb/0x2a0
[ 304.328083][ T38] ? __pfx_gfs2_writepages+0x10/0x10
[ 304.328108][ T38] ? do_raw_spin_lock+0x12b/0x2f0
[ 304.328141][ T38] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 304.328170][ T38] ? lockdep_hardirqs_on+0x7a/0x110
[ 304.328196][ T38] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 304.328223][ T38] ? __pfx_gfs2_writepages+0x10/0x10
[ 304.328251][ T38] do_writepages+0x32e/0x550
[ 304.328278][ T38] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 304.328303][ T38] ? rt_spin_unlock+0x14f/0x200
[ 304.328335][ T38] filemap_fdatawrite+0x1ec/0x2f0
[ 304.328370][ T38] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 304.328430][ T38] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 304.328455][ T38] ? rt_spin_unlock+0x14f/0x200
[ 304.328483][ T38] ? rt_spin_unlock+0x160/0x200
[ 304.328508][ T38] __gfs2_log_flush+0x85b/0x1dc0
[ 304.328544][ T38] ? __pfx___gfs2_log_flush+0x10/0x10
[ 304.328578][ T38] gfs2_log_flush+0x34/0x50
[ 304.328601][ T38] gfs2_trans_end+0x37b/0x570
[ 304.328632][ T38] gfs2_page_mkwrite+0x1529/0x18f0
[ 304.328668][ T38] ? do_page_mkwrite+0x150/0x310
[ 304.328719][ T38] ? __pfx_gfs2_page_mkwrite+0x10/0x10
[ 304.328750][ T38] ? gfs2_fault+0x1b9/0x220
[ 304.328777][ T38] ? __pfx_gfs2_fault+0x10/0x10
[ 304.328807][ T38] ? do_page_mkwrite+0x150/0x310
[ 304.328826][ T38] ? lockdep_hardirqs_on+0x7a/0x110
[ 304.328855][ T38] ? __pte_offset_map+0x29/0x200
[ 304.328883][ T38] do_page_mkwrite+0x150/0x310
[ 304.328908][ T38] do_pte_missing+0x736/0x2950
[ 304.328935][ T38] ? handle_mm_fault+0xed/0x14c0
[ 304.328967][ T38] handle_mm_fault+0xdb5/0x14c0
[ 304.328998][ T38] ? handle_mm_fault+0xed/0x14c0
[ 304.329029][ T38] ? __pfx_handle_mm_fault+0x10/0x10
[ 304.329054][ T38] ? lock_vma_under_rcu+0x45a/0x500
[ 304.329083][ T38] ? __pfx_do_futex+0x10/0x10
[ 304.329134][ T38] do_user_addr_fault+0xa73/0x1340
[ 304.329164][ T38] ? rcu_is_watching+0x15/0xb0
[ 304.329193][ T38] ? trace_page_fault_user+0x84/0x1e0
[ 304.329218][ T38] exc_page_fault+0x6a/0xc0
[ 304.329245][ T38] asm_exc_page_fault+0x26/0x30
[ 304.329265][ T38] RIP: 0033:0x7ff27a045585
[ 304.329284][ T38] RSP: 002b:00007ffdc272a180 EFLAGS: 00010246
[ 304.329302][ T38] RAX: 0000200000000180 RBX: 0000000000000008 RCX: 0000000000000000
[ 304.329316][ T38] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055558775a3d8
[ 304.329329][ T38] RBP: 00007ffdc272a2a0 R08: 0000000000000000 R09: 0000000000000000
[ 304.329342][ T38] R10: 0000000000000000 R11: 0000000000000000 R12: 00007ffdc272a2e0
[ 304.329355][ T38] R13: 00007ff27a3b5fac R14: 000000000002689c R15: 00007ff27a3b5fa0
[ 304.329393][ T38]
[ 304.329420][ T38]
[ 304.329420][ T38] Showing all locks held in the system:
[ 304.329430][ T38] 4 locks held by pr/legacy/17:
[ 304.329441][ T38] #0: ffffffff8dfba460 (console_lock){+.+.}-{0:0}, at: legacy_kthread_func+0x1a3/0x250
[ 304.329498][ T38] #1: ffffffff8dea1d58 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfa/0xb90
[ 304.329547][ T38] #2: ffffffff99be0878 (&port_lock_key){+.+.}-{3:3}, at: serial8250_console_write+0x179/0x1b90
[ 304.329602][ T38] #3: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[ 304.329651][ T38] 1 lock held by khungtaskd/38:
[ 304.329662][ T38] #0: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 304.329716][ T38] 4 locks held by kworker/u8:7/158:
[ 304.329727][ T38] #0: ffff88801fa86138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x890/0x1710
[ 304.329771][ T38] #1: ffffc90003907c40 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710
[ 304.329816][ T38] #2: ffff88803573c0d0 (&type->s_umount_key#55){++++}-{4:4}, at: super_trylock_shared+0x20/0xf0
[ 304.329870][ T38] #3: ffff888038d191a0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x27/0x50
[ 304.329922][ T38] 2 locks held by kworker/u8:9/1431:
[ 304.329934][ T38] #0: ffff88813fe7a938 ((wq_completion)kvfree_rcu_reclaim){+.+.}-{0:0}, at: process_one_work+0x890/0x1710
[ 304.329979][ T38] #1: ffffc900067afc40 ((work_completion)(&(&krcp->krw_arr[i].rcu_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8b7/0x1710
[ 304.330040][ T38] 2 locks held by getty/5585:
[ 304.330052][ T38] #0: ffff888029a9d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 304.330108][ T38] #1: ffffc90003cbe2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x462/0x13a0
[ 304.330157][ T38] 4 locks held by syz.0.18/6711:
[ 304.330168][ T38] #0: ffff888029bb9588 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500
[ 304.330220][ T38] #1: ffff88803573c5f8 (sb_pagefaults#2){.+.+}-{0:0}, at: do_page_mkwrite+0x150/0x310
[ 304.330270][ T38] #2: ffff88803573c770 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[ 304.330328][ T38] #3: ffff888038d191a0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0x27/0x50
[ 304.330401][ T38] 1 lock held by gfs2_logd/syz:s/6715:
[ 304.330414][ T38] #0: ffff888038d191a0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_logd+0x2ac/0x1180
[ 304.330460][ T38] 2 locks held by gfs2_quotad/syz/6716:
[ 304.330472][ T38] #0: ffff88803573c770 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[ 304.330530][ T38] #1: ffff888038d191a0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: __gfs2_trans_begin+0x51e/0x910
[ 304.330584][ T38] 4 locks held by udevd/6719:
[ 304.330596][ T38] #0: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: is_bpf_text_address+0x26/0x2b0
[ 304.330646][ T38] #1: ffff88801ced55b0 (_T->lock){....}-{2:2}, at: rt_mutex_slowunlock+0xbf/0x8b0
[ 304.330694][ T38] #2: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400
[ 304.330740][ T38] #3: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: mod_memcg_lruvec_state+0xe3/0x220
[ 304.330788][ T38] 2 locks held by syz.1.238/7628:
[ 304.330799][ T38] #0: ffff88805a2f5448 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500
[ 304.330850][ T38] #1: ffffffff8dfc81c0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0xa6/0x2550
[ 304.330899][ T38] 1 lock held by dhcpcd/7629:
[ 304.330910][ T38] #0: ffff888039caa358 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x33/0xe70
[ 304.330963][ T38]
[ 304.330968][ T38] =============================================
[ 304.330968][ T38]
[ 304.330989][ T38] NMI backtrace for cpu 1
[ 304.331003][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 304.331025][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.331036][ T38] Call Trace:
[ 304.331044][ T38]
[ 304.331051][ T38] dump_stack_lvl+0xe8/0x150
[ 304.331075][ T38] nmi_cpu_backtrace+0x274/0x2d0
[ 304.331097][ T38] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 304.331121][ T38] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 304.331147][ T38] sys_info+0x135/0x170
[ 304.331166][ T38] watchdog+0xfd3/0x1030
[ 304.331195][ T38] ? watchdog+0x1c9/0x1030
[ 304.331222][ T38] kthread+0x388/0x470
[ 304.331248][ T38] ? __pfx_watchdog+0x10/0x10
[ 304.331267][ T38] ? __pfx_kthread+0x10/0x10
[ 304.331294][ T38] ret_from_fork+0x514/0xb70
[ 304.331318][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 304.331340][ T38] ? __switch_to+0xc79/0x1410
[ 304.331377][ T38] ? __pfx_kthread+0x10/0x10
[ 304.331404][ T38] ret_from_fork_asm+0x1a/0x30
[ 304.331442][ T38]
[ 304.331450][ T38] Sending NMI from CPU 1 to CPUs 0:
[ 304.331477][ C0] NMI backtrace for cpu 0
[ 304.331491][ C0] CPU: 0 UID: 0 PID: 6719 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 304.331510][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.331519][ C0] RIP: 0010:check_preemption_disabled+0x1/0xe0
[ 304.331545][ C0] Code: 80 5e a8 8b 48 c7 c6 c0 5e a8 8b eb 1c 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <41> 57 41 56 53 65 8b 05 a7 0f 3f 07 65 8b 0d 9c 0f 3f 07 f7 c1 ff
[ 304.331560][ C0] RSP: 0018:ffffc900040c7060 EFLAGS: 00000046
[ 304.331578][ C0] RAX: ffffffffffffffff RBX: 0000000000000202 RCX: 0000000000000046
[ 304.331590][ C0] RDX: 0000000000000000 RSI: ffffffff8d8b7ca3 RDI: ffffffff8ba85ee0
[ 304.331602][ C0] RBP: ffff88803848c978 R08: ffffc900040c71f8 R09: 0000000000000000
[ 304.331618][ C0] R10: ffffc900040c7258 R11: fffff52000818e4d R12: 0000000000000000
[ 304.331630][ C0] R13: 0000000000000000 R14: ffffffff8dfc81c0 R15: ffff88803848bd80
[ 304.331642][ C0] FS: 00007f85023c7880(0000) GS:ffff888125eb0000(0000) knlGS:0000000000000000
[ 304.331657][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 304.331669][ C0] CR2: 00007f423652b000 CR3: 000000003fd36000 CR4: 00000000003526f0
[ 304.331685][ C0] Call Trace:
[ 304.331691][ C0]
[ 304.331698][ C0] lock_release+0x259/0x3c0
[ 304.331718][ C0] ? unwind_next_frame+0xa6/0x2550
[ 304.331738][ C0] ? unwind_next_frame+0xa6/0x2550
[ 304.331756][ C0] unwind_next_frame+0x1bba/0x2550
[ 304.331778][ C0] ? unwind_next_frame+0xa6/0x2550
[ 304.331796][ C0] ? __unwind_start+0xf7/0x760
[ 304.331816][ C0] __unwind_start+0x5b8/0x760
[ 304.331836][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 304.331855][ C0] arch_stack_walk+0xe3/0x150
[ 304.331875][ C0] ? arch_stack_walk+0xe3/0x150
[ 304.331895][ C0] stack_trace_save+0xa9/0x100
[ 304.331911][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 304.331929][ C0] ? stack_depot_save_flags+0x33/0x810
[ 304.331950][ C0] save_stack+0x122/0x230
[ 304.331971][ C0] ? __pfx_save_stack+0x10/0x10
[ 304.331995][ C0] ? page_ext_put+0x97/0xc0
[ 304.332017][ C0] __reset_page_owner+0x71/0x1f0
[ 304.332038][ C0] free_unref_folios+0xd6f/0x1aa0
[ 304.332064][ C0] folios_put_refs+0x7cb/0x8d0
[ 304.332086][ C0] ? __pfx_folios_put_refs+0x10/0x10
[ 304.332104][ C0] ? filemap_remove_folio+0x315/0x3b0
[ 304.332125][ C0] ? folio_batch_remove_exceptionals+0x18c/0x1f0
[ 304.332146][ C0] shmem_undo_range+0x52c/0x1660
[ 304.332169][ C0] ? __lock_acquire+0x6b5/0x2cf0
[ 304.332189][ C0] ? __pfx_shmem_undo_range+0x10/0x10
[ 304.332229][ C0] ? do_raw_spin_lock+0x12b/0x2f0
[ 304.332250][ C0] shmem_evict_inode+0x289/0xae0
[ 304.332267][ C0] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 304.332285][ C0] ? __pfx_shmem_evict_inode+0x10/0x10
[ 304.332301][ C0] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 304.332320][ C0] ? rt_spin_unlock+0x14f/0x200
[ 304.332338][ C0] ? rt_spin_unlock+0x160/0x200
[ 304.332355][ C0] ? __pfx_shmem_evict_inode+0x10/0x10
[ 304.332371][ C0] evict+0x61e/0xb10
[ 304.332387][ C0] ? rt_spin_unlock+0x14f/0x200
[ 304.332405][ C0] ? __pfx_evict+0x10/0x10
[ 304.332419][ C0] ? rt_spin_unlock+0x160/0x200
[ 304.332437][ C0] ? iput+0xb25/0xe80
[ 304.332459][ C0] __dentry_kill+0x1a2/0x690
[ 304.332475][ C0] ? finish_dput+0xad/0x480
[ 304.332494][ C0] finish_dput+0xc9/0x480
[ 304.332513][ C0] __fput+0x6a3/0xa70
[ 304.332534][ C0] task_work_run+0x1d9/0x270
[ 304.332556][ C0] ? __pfx_task_work_run+0x10/0x10
[ 304.332576][ C0] ? fput_close_sync+0x11f/0x240
[ 304.332597][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 304.332619][ C0] exit_to_user_mode_loop+0xed/0x480
[ 304.332638][ C0] ? rcu_is_watching+0x15/0xb0
[ 304.332659][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 304.332676][ C0] do_syscall_64+0x33e/0xf80
[ 304.332698][ C0] ? clear_bhb_loop+0x40/0x90
[ 304.332716][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 304.332731][ C0] RIP: 0033:0x7f85024b5407
[ 304.332745][ C0] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[ 304.332760][ C0] RSP: 002b:00007fffbb3c87c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[ 304.332776][ C0] RAX: 0000000000000000 RBX: 00007f85023c7880 RCX: 00007f85024b5407
[ 304.332788][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
[ 304.332798][ C0] RBP: 00007f85023c76e8 R08: 0000000000000000 R09: 0000000000000000
[ 304.332810][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 304.332820][ C0] R13: 00005587d0f12190 R14: 0000000000000008 R15: 00005587d0f1ce00
[ 304.332839][ C0]
[ 304.333487][ T38] Kernel panic - not syncing: hung_task: blocked tasks
[ 304.333503][ T38] CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 304.333525][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.333536][ T38] Call Trace:
[ 304.333545][ T38]
[ 304.333553][ T38] vpanic+0x56c/0xa60
[ 304.333580][ T38] ? __pfx_vpanic+0x10/0x10
[ 304.333611][ T38] panic+0xc5/0xd0
[ 304.333632][ T38] ? __pfx_panic+0x10/0x10
[ 304.333663][ T38] ? nmi_trigger_cpumask_backtrace+0x234/0x300
[ 304.333690][ T38] watchdog+0x102c/0x1030
[ 304.333718][ T38] ? watchdog+0x1c9/0x1030
[ 304.333745][ T38] kthread+0x388/0x470
[ 304.333769][ T38] ? __pfx_watchdog+0x10/0x10
[ 304.333788][ T38] ? __pfx_kthread+0x10/0x10
[ 304.333814][ T38] ret_from_fork+0x514/0xb70
[ 304.333838][ T38] ? __pfx_ret_from_fork+0x10/0x10
[ 304.333859][ T38] ? __switch_to+0xc79/0x1410
[ 304.333889][ T38] ? __pfx_kthread+0x10/0x10
[ 304.333915][ T38] ret_from_fork_asm+0x1a/0x30
[ 304.333952][ T38]
[ 304.334308][ T38] Kernel Offset: disabled