IG_RAX: 00000000000000a5
[ 266.797445][ T6468] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 266.797461][ T6468] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 266.797482][ T6468] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 266.797495][ T6468] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 266.797509][ T6468] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 266.797541][ T6468]
[ 267.089250][ T6468] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.103570][ T6468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.475930][ T6471] loop1: detected capacity change from 0 to 32768
[ 267.488313][ T6471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.496092][ T6471] CPU: 1 UID: 0 PID: 6471 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full)
[ 267.496121][ T6471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 267.496134][ T6471] Call Trace:
[ 267.496142][ T6471]
[ 267.496151][ T6471] dump_stack_lvl+0xe8/0x150
[ 267.496187][ T6471] sysfs_create_dir_ns+0x271/0x2a0
[ 267.496215][ T6471] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 267.496240][ T6471] ? do_raw_spin_unlock+0xf5/0x210
[ 267.496270][ T6471] kobject_add_internal+0x62b/0xd00
[ 267.496304][ T6471] kobject_init_and_add+0x12b/0x1a0
[ 267.496338][ T6471] ? __pfx_kobject_init_and_add+0x10/0x10
[ 267.496367][ T6471] ? __raw_spin_lock_init+0x45/0x100
[ 267.496391][ T6471] ? __init_swait_queue_head+0xa9/0x150
[ 267.496418][ T6471] gfs2_sys_fs_add+0x257/0x480
[ 267.496446][ T6471] ? is_dynamic_key+0x1ac/0x1c0
[ 267.496474][ T6471] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 267.496511][ T6471] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 267.496556][ T6471] gfs2_fill_super+0x13a7/0x21d0
[ 267.496596][ T6471] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.496623][ T6471] ? sb_set_blocksize+0x155/0x240
[ 267.496649][ T6471] ? setup_bdev_super+0x4c1/0x5b0
[ 267.496681][ T6471] get_tree_bdev_flags+0x431/0x4f0
[ 267.496711][ T6471] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.496732][ T6471] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 267.496759][ T6471] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 267.496800][ T6471] gfs2_get_tree+0x51/0x1e0
[ 267.496825][ T6471] vfs_get_tree+0x92/0x2a0
[ 267.496857][ T6471] do_new_mount+0x341/0xd30
[ 267.496879][ T6471] ? apparmor_capable+0x126/0x170
[ 267.496907][ T6471] ? __pfx_do_new_mount+0x10/0x10
[ 267.496931][ T6471] ? ns_capable+0x89/0xe0
[ 267.496970][ T6471] ? user_path_at+0xd4/0x160
[ 267.497000][ T6471] __se_sys_mount+0x31d/0x420
[ 267.497029][ T6471] ? __pfx___se_sys_mount+0x10/0x10
[ 267.497061][ T6471] ? __x64_sys_mount+0x20/0xc0
[ 267.497086][ T6471] do_syscall_64+0x14d/0xf80
[ 267.497108][ T6471] ? trace_irq_disable+0x3b/0x150
[ 267.497130][ T6471] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.497152][ T6471] ? clear_bhb_loop+0x40/0x90
[ 267.497178][ T6471] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.497200][ T6471] RIP: 0033:0x7f53a159da0a
[ 267.497221][ T6471] 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
[ 267.497239][ T6471] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.497261][ T6471] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 267.497277][ T6471] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 267.497292][ T6471] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 267.497306][ T6471] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 267.497319][ T6471] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 267.497374][ T6471]
[ 267.517141][ T6471] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.811969][ T6471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.178025][ T6474] loop1: detected capacity change from 0 to 32768
[ 268.193683][ T6474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.207677][ T6474] CPU: 1 UID: 0 PID: 6474 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full)
[ 268.207707][ T6474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 268.207720][ T6474] Call Trace:
[ 268.207729][ T6474]
[ 268.207739][ T6474] dump_stack_lvl+0xe8/0x150
[ 268.207791][ T6474] sysfs_create_dir_ns+0x271/0x2a0
[ 268.207819][ T6474] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 268.207845][ T6474] ? do_raw_spin_unlock+0xf5/0x210
[ 268.207875][ T6474] kobject_add_internal+0x62b/0xd00
[ 268.207912][ T6474] kobject_init_and_add+0x12b/0x1a0
[ 268.207946][ T6474] ? __pfx_kobject_init_and_add+0x10/0x10
[ 268.207975][ T6474] ? __raw_spin_lock_init+0x45/0x100
[ 268.208001][ T6474] ? __init_swait_queue_head+0xa9/0x150
[ 268.208053][ T6474] gfs2_sys_fs_add+0x257/0x480
[ 268.208082][ T6474] ? is_dynamic_key+0x1ac/0x1c0
[ 268.208112][ T6474] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 268.208150][ T6474] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 268.208188][ T6474] gfs2_fill_super+0x13a7/0x21d0
[ 268.208226][ T6474] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.208260][ T6474] ? sb_set_blocksize+0x155/0x240
[ 268.208287][ T6474] ? setup_bdev_super+0x4c1/0x5b0
[ 268.208320][ T6474] get_tree_bdev_flags+0x431/0x4f0
[ 268.208350][ T6474] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.208371][ T6474] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 268.208399][ T6474] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 268.208437][ T6474] gfs2_get_tree+0x51/0x1e0
[ 268.208463][ T6474] vfs_get_tree+0x92/0x2a0
[ 268.208495][ T6474] do_new_mount+0x341/0xd30
[ 268.208527][ T6474] ? apparmor_capable+0x126/0x170
[ 268.208554][ T6474] ? __pfx_do_new_mount+0x10/0x10
[ 268.208578][ T6474] ? ns_capable+0x89/0xe0
[ 268.208633][ T6474] ? user_path_at+0xd4/0x160
[ 268.208663][ T6474] __se_sys_mount+0x31d/0x420
[ 268.208693][ T6474] ? __pfx___se_sys_mount+0x10/0x10
[ 268.208725][ T6474] ? __x64_sys_mount+0x20/0xc0
[ 268.208751][ T6474] do_syscall_64+0x14d/0xf80
[ 268.208774][ T6474] ? trace_irq_disable+0x3b/0x150
[ 268.208795][ T6474] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.208817][ T6474] ? clear_bhb_loop+0x40/0x90
[ 268.208843][ T6474] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.208865][ T6474] RIP: 0033:0x7f53a159da0a
[ 268.208887][ T6474] 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
[ 268.208914][ T6474] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.208938][ T6474] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 268.208954][ T6474] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 268.208970][ T6474] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 268.208985][ T6474] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 268.208999][ T6474] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 268.209033][ T6474]
[ 268.209377][ T6474] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.516226][ T6474] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/03 23:56:02 executed programs: 150
[ 268.894934][ T6477] loop1: detected capacity change from 0 to 32768
[ 268.908774][ T6477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.918215][ T6477] CPU: 1 UID: 0 PID: 6477 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full)
[ 268.918245][ T6477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 268.918259][ T6477] Call Trace:
[ 268.918269][ T6477]
[ 268.918278][ T6477] dump_stack_lvl+0xe8/0x150
[ 268.918315][ T6477] sysfs_create_dir_ns+0x271/0x2a0
[ 268.918344][ T6477] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 268.918379][ T6477] ? do_raw_spin_unlock+0xf5/0x210
[ 268.918410][ T6477] kobject_add_internal+0x62b/0xd00
[ 268.918446][ T6477] kobject_init_and_add+0x12b/0x1a0
[ 268.918480][ T6477] ? __pfx_kobject_init_and_add+0x10/0x10
[ 268.918508][ T6477] ? __raw_spin_lock_init+0x45/0x100
[ 268.918533][ T6477] ? __init_swait_queue_head+0xa9/0x150
[ 268.918559][ T6477] gfs2_sys_fs_add+0x257/0x480
[ 268.918586][ T6477] ? is_dynamic_key+0x1ac/0x1c0
[ 268.918617][ T6477] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 268.918654][ T6477] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 268.918692][ T6477] gfs2_fill_super+0x13a7/0x21d0
[ 268.918730][ T6477] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.918757][ T6477] ? sb_set_blocksize+0x155/0x240
[ 268.918783][ T6477] ? setup_bdev_super+0x4c1/0x5b0
[ 268.918815][ T6477] get_tree_bdev_flags+0x431/0x4f0
[ 268.918856][ T6477] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.918878][ T6477] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 268.918905][ T6477] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 268.918945][ T6477] gfs2_get_tree+0x51/0x1e0
[ 268.918971][ T6477] vfs_get_tree+0x92/0x2a0
[ 268.919003][ T6477] do_new_mount+0x341/0xd30
[ 268.919031][ T6477] ? apparmor_capable+0x126/0x170
[ 268.919059][ T6477] ? __pfx_do_new_mount+0x10/0x10
[ 268.919082][ T6477] ? ns_capable+0x89/0xe0
[ 268.919122][ T6477] ? user_path_at+0xd4/0x160
[ 268.919153][ T6477] __se_sys_mount+0x31d/0x420
[ 268.919183][ T6477] ? __pfx___se_sys_mount+0x10/0x10
[ 268.919214][ T6477] ? __x64_sys_mount+0x20/0xc0
[ 268.919240][ T6477] do_syscall_64+0x14d/0xf80
[ 268.919263][ T6477] ? trace_irq_disable+0x3b/0x150
[ 268.919285][ T6477] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.919307][ T6477] ? clear_bhb_loop+0x40/0x90
[ 268.919334][ T6477] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.919364][ T6477] RIP: 0033:0x7f53a159da0a
[ 268.919385][ T6477] 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
[ 268.919403][ T6477] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.919427][ T6477] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 268.919443][ T6477] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 268.919458][ T6477] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 268.919472][ T6477] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 268.919486][ T6477] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 268.919519][ T6477]
[ 268.920146][ T6477] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.227070][ T6477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.589891][ T6480] loop1: detected capacity change from 0 to 32768
[ 269.603444][ T6480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.612324][ T6480] CPU: 1 UID: 0 PID: 6480 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full)
[ 269.612355][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 269.612369][ T6480] Call Trace:
[ 269.612378][ T6480]
[ 269.612388][ T6480] dump_stack_lvl+0xe8/0x150
[ 269.612426][ T6480] sysfs_create_dir_ns+0x271/0x2a0
[ 269.612455][ T6480] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 269.612482][ T6480] ? do_raw_spin_unlock+0xf5/0x210
[ 269.612512][ T6480] kobject_add_internal+0x62b/0xd00
[ 269.612548][ T6480] kobject_init_and_add+0x12b/0x1a0
[ 269.612580][ T6480] ? __pfx_kobject_init_and_add+0x10/0x10
[ 269.612614][ T6480] ? __raw_spin_lock_init+0x45/0x100
[ 269.612640][ T6480] ? __init_swait_queue_head+0xa9/0x150
[ 269.612667][ T6480] gfs2_sys_fs_add+0x257/0x480
[ 269.612695][ T6480] ? is_dynamic_key+0x1ac/0x1c0
[ 269.612724][ T6480] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 269.612760][ T6480] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 269.612799][ T6480] gfs2_fill_super+0x13a7/0x21d0
[ 269.612851][ T6480] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.612878][ T6480] ? sb_set_blocksize+0x155/0x240
[ 269.612903][ T6480] ? setup_bdev_super+0x4c1/0x5b0
[ 269.612936][ T6480] get_tree_bdev_flags+0x431/0x4f0
[ 269.612966][ T6480] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.612991][ T6480] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 269.613018][ T6480] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 269.613062][ T6480] gfs2_get_tree+0x51/0x1e0
[ 269.613086][ T6480] vfs_get_tree+0x92/0x2a0
[ 269.613115][ T6480] do_new_mount+0x341/0xd30
[ 269.613135][ T6480] ? apparmor_capable+0x126/0x170
[ 269.613160][ T6480] ? __pfx_do_new_mount+0x10/0x10
[ 269.613181][ T6480] ? ns_capable+0x89/0xe0
[ 269.613221][ T6480] ? user_path_at+0xd4/0x160
[ 269.613249][ T6480] __se_sys_mount+0x31d/0x420
[ 269.613279][ T6480] ? __pfx___se_sys_mount+0x10/0x10
[ 269.613309][ T6480] ? __x64_sys_mount+0x20/0xc0
[ 269.613333][ T6480] do_syscall_64+0x14d/0xf80
[ 269.613356][ T6480] ? trace_irq_disable+0x3b/0x150
[ 269.613377][ T6480] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.613399][ T6480] ? clear_bhb_loop+0x40/0x90
[ 269.613426][ T6480] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.613448][ T6480] RIP: 0033:0x7f53a159da0a
[ 269.613468][ T6480] 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
[ 269.613486][ T6480] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.613509][ T6480] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 269.613526][ T6480] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 269.613541][ T6480] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 269.613556][ T6480] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 269.613570][ T6480] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 269.613601][ T6480]
[ 269.613879][ T6480] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.921724][ T6480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.283826][ T6483] loop1: detected capacity change from 0 to 32768
[ 270.298192][ T6483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.306717][ T6483] CPU: 0 UID: 0 PID: 6483 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full)
[ 270.306746][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 270.306760][ T6483] Call Trace:
[ 270.306769][ T6483]
[ 270.306778][ T6483] dump_stack_lvl+0xe8/0x150
[ 270.306816][ T6483] sysfs_create_dir_ns+0x271/0x2a0
[ 270.306844][ T6483] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 270.306872][ T6483] ? do_raw_spin_unlock+0xf5/0x210
[ 270.306901][ T6483] kobject_add_internal+0x62b/0xd00
[ 270.306937][ T6483] kobject_init_and_add+0x12b/0x1a0
[ 270.306975][ T6483] ? __pfx_kobject_init_and_add+0x10/0x10
[ 270.307004][ T6483] ? __raw_spin_lock_init+0x45/0x100
[ 270.307030][ T6483] ? __init_swait_queue_head+0xa9/0x150
[ 270.307058][ T6483] gfs2_sys_fs_add+0x257/0x480
[ 270.307086][ T6483] ? is_dynamic_key+0x1ac/0x1c0
[ 270.307116][ T6483] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 270.307152][ T6483] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 270.307191][ T6483] gfs2_fill_super+0x13a7/0x21d0
[ 270.307230][ T6483] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.307259][ T6483] ? sb_set_blocksize+0x155/0x240
[ 270.307293][ T6483] ? setup_bdev_super+0x4c1/0x5b0
[ 270.307326][ T6483] get_tree_bdev_flags+0x431/0x4f0
[ 270.307356][ T6483] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.307378][ T6483] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 270.307405][ T6483] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 270.307444][ T6483] gfs2_get_tree+0x51/0x1e0
[ 270.307471][ T6483] vfs_get_tree+0x92/0x2a0
[ 270.307501][ T6483] do_new_mount+0x341/0xd30
[ 270.307522][ T6483] ? apparmor_capable+0x126/0x170
[ 270.307548][ T6483] ? __pfx_do_new_mount+0x10/0x10
[ 270.307570][ T6483] ? ns_capable+0x89/0xe0
[ 270.307610][ T6483] ? user_path_at+0xd4/0x160
[ 270.307639][ T6483] __se_sys_mount+0x31d/0x420
[ 270.307669][ T6483] ? __pfx___se_sys_mount+0x10/0x10
[ 270.307699][ T6483] ? __x64_sys_mount+0x20/0xc0
[ 270.307725][ T6483] do_syscall_64+0x14d/0xf80
[ 270.307746][ T6483] ? trace_irq_disable+0x3b/0x150
[ 270.307767][ T6483] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.307789][ T6483] ? clear_bhb_loop+0x40/0x90
[ 270.307816][ T6483] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.307838][ T6483] RIP: 0033:0x7f53a159da0a
[ 270.307858][ T6483] 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
[ 270.307876][ T6483] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.307900][ T6483] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 270.307917][ T6483] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 270.307934][ T6483] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 270.307949][ T6483] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 270.307963][ T6483] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 270.307998][ T6483]
[ 270.595644][ T6483] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.610149][ T6483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.016750][ T6486] loop1: detected capacity change from 0 to 32768
[ 271.027917][ T6486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.035484][ T6486] CPU: 1 UID: 0 PID: 6486 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full)
[ 271.035512][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 271.035526][ T6486] Call Trace:
[ 271.035534][ T6486]
[ 271.035544][ T6486] dump_stack_lvl+0xe8/0x150
[ 271.035580][ T6486] sysfs_create_dir_ns+0x271/0x2a0
[ 271.035609][ T6486] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 271.035635][ T6486] ? do_raw_spin_unlock+0xf5/0x210
[ 271.035664][ T6486] kobject_add_internal+0x62b/0xd00
[ 271.035710][ T6486] kobject_init_and_add+0x12b/0x1a0
[ 271.035743][ T6486] ? __pfx_kobject_init_and_add+0x10/0x10
[ 271.035772][ T6486] ? __raw_spin_lock_init+0x45/0x100
[ 271.035798][ T6486] ? __init_swait_queue_head+0xa9/0x150
[ 271.035826][ T6486] gfs2_sys_fs_add+0x257/0x480
[ 271.035854][ T6486] ? is_dynamic_key+0x1ac/0x1c0
[ 271.035884][ T6486] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 271.035922][ T6486] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 271.035959][ T6486] gfs2_fill_super+0x13a7/0x21d0
[ 271.035999][ T6486] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.036027][ T6486] ? sb_set_blocksize+0x155/0x240
[ 271.036053][ T6486] ? setup_bdev_super+0x4c1/0x5b0
[ 271.036085][ T6486] get_tree_bdev_flags+0x431/0x4f0
[ 271.036115][ T6486] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.036136][ T6486] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 271.036164][ T6486] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 271.036203][ T6486] gfs2_get_tree+0x51/0x1e0
[ 271.036230][ T6486] vfs_get_tree+0x92/0x2a0
[ 271.036261][ T6486] do_new_mount+0x341/0xd30
[ 271.036282][ T6486] ? apparmor_capable+0x126/0x170
[ 271.036310][ T6486] ? __pfx_do_new_mount+0x10/0x10
[ 271.036333][ T6486] ? ns_capable+0x89/0xe0
[ 271.036373][ T6486] ? user_path_at+0xd4/0x160
[ 271.036403][ T6486] __se_sys_mount+0x31d/0x420
[ 271.036434][ T6486] ? __pfx___se_sys_mount+0x10/0x10
[ 271.036465][ T6486] ? __x64_sys_mount+0x20/0xc0
[ 271.036491][ T6486] do_syscall_64+0x14d/0xf80
[ 271.036514][ T6486] ? trace_irq_disable+0x3b/0x150
[ 271.036535][ T6486] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.036558][ T6486] ? clear_bhb_loop+0x40/0x90
[ 271.036584][ T6486] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.036606][ T6486] RIP: 0033:0x7f53a159da0a
[ 271.036627][ T6486] 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
[ 271.036646][ T6486] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.036670][ T6486] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 271.036686][ T6486] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 271.036711][ T6486] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 271.036726][ T6486] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 271.036740][ T6486] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 271.036774][ T6486]
[ 271.036801][ T6486] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.344591][ T6486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.734960][ T6489] loop1: detected capacity change from 0 to 32768
[ 271.755879][ T6489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.763540][ T6489] CPU: 1 UID: 0 PID: 6489 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full)
[ 271.763570][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 271.763583][ T6489] Call Trace:
[ 271.763592][ T6489]
[ 271.763602][ T6489] dump_stack_lvl+0xe8/0x150
[ 271.763639][ T6489] sysfs_create_dir_ns+0x271/0x2a0
[ 271.763667][ T6489] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 271.763693][ T6489] ? do_raw_spin_unlock+0xf5/0x210
[ 271.763722][ T6489] kobject_add_internal+0x62b/0xd00
[ 271.763757][ T6489] kobject_init_and_add+0x12b/0x1a0
[ 271.763788][ T6489] ? __pfx_kobject_init_and_add+0x10/0x10
[ 271.763815][ T6489] ? __raw_spin_lock_init+0x45/0x100
[ 271.763840][ T6489] ? __init_swait_queue_head+0xa9/0x150
[ 271.763867][ T6489] gfs2_sys_fs_add+0x257/0x480
[ 271.763895][ T6489] ? is_dynamic_key+0x1ac/0x1c0
[ 271.763924][ T6489] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 271.763971][ T6489] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 271.764010][ T6489] gfs2_fill_super+0x13a7/0x21d0
[ 271.764049][ T6489] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.764076][ T6489] ? sb_set_blocksize+0x155/0x240
[ 271.764101][ T6489] ? setup_bdev_super+0x4c1/0x5b0
[ 271.764132][ T6489] get_tree_bdev_flags+0x431/0x4f0
[ 271.764162][ T6489] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.764184][ T6489] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 271.764211][ T6489] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 271.764252][ T6489] gfs2_get_tree+0x51/0x1e0
[ 271.764278][ T6489] vfs_get_tree+0x92/0x2a0
[ 271.764310][ T6489] do_new_mount+0x341/0xd30
[ 271.764331][ T6489] ? apparmor_capable+0x126/0x170
[ 271.764364][ T6489] ? __pfx_do_new_mount+0x10/0x10
[ 271.764387][ T6489] ? ns_capable+0x89/0xe0
[ 271.764428][ T6489] ? user_path_at+0xd4/0x160
[ 271.764457][ T6489] __se_sys_mount+0x31d/0x420
[ 271.764489][ T6489] ? __pfx___se_sys_mount+0x10/0x10
[ 271.764520][ T6489] ? __x64_sys_mount+0x20/0xc0
[ 271.764546][ T6489] do_syscall_64+0x14d/0xf80
[ 271.764568][ T6489] ? trace_irq_disable+0x3b/0x150
[ 271.764590][ T6489] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.764613][ T6489] ? clear_bhb_loop+0x40/0x90
[ 271.764640][ T6489] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.764661][ T6489] RIP: 0033:0x7f53a159da0a
[ 271.764682][ T6489] 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
[ 271.764701][ T6489] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.764725][ T6489] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 271.764741][ T6489] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 271.764757][ T6489] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 271.764772][ T6489] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 271.764787][ T6489] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 271.764821][ T6489]
[ 271.764894][ T6489] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.072797][ T6489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 272.475134][ T6492] loop1: detected capacity change from 0 to 32768
[ 272.488301][ T6492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.498869][ T6492] CPU: 1 UID: 0 PID: 6492 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full)
[ 272.498901][ T6492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 272.498914][ T6492] Call Trace:
[ 272.498934][ T6492]
[ 272.498943][ T6492] dump_stack_lvl+0xe8/0x150
[ 272.498979][ T6492] sysfs_create_dir_ns+0x271/0x2a0
[ 272.499008][ T6492] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 272.499034][ T6492] ? do_raw_spin_unlock+0xf5/0x210
[ 272.499064][ T6492] kobject_add_internal+0x62b/0xd00
[ 272.499108][ T6492] kobject_init_and_add+0x12b/0x1a0
[ 272.499142][ T6492] ? __pfx_kobject_init_and_add+0x10/0x10
[ 272.499170][ T6492] ? __raw_spin_lock_init+0x45/0x100
[ 272.499196][ T6492] ? __init_swait_queue_head+0xa9/0x150
[ 272.499224][ T6492] gfs2_sys_fs_add+0x257/0x480
[ 272.499256][ T6492] ? is_dynamic_key+0x1ac/0x1c0
[ 272.499285][ T6492] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 272.499319][ T6492] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 272.499355][ T6492] gfs2_fill_super+0x13a7/0x21d0
[ 272.499394][ T6492] ? __pfx_gfs2_fill_super+0x10/0x10
[ 272.499423][ T6492] ? sb_set_blocksize+0x155/0x240
[ 272.499448][ T6492] ? setup_bdev_super+0x4c1/0x5b0
[ 272.499481][ T6492] get_tree_bdev_flags+0x431/0x4f0
[ 272.499510][ T6492] ? __pfx_gfs2_fill_super+0x10/0x10
[ 272.499532][ T6492] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 272.499560][ T6492] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 272.499599][ T6492] gfs2_get_tree+0x51/0x1e0
[ 272.499624][ T6492] vfs_get_tree+0x92/0x2a0
[ 272.499657][ T6492] do_new_mount+0x341/0xd30
[ 272.499678][ T6492] ? apparmor_capable+0x126/0x170
[ 272.499706][ T6492] ? __pfx_do_new_mount+0x10/0x10
[ 272.499728][ T6492] ? ns_capable+0x89/0xe0
[ 272.499768][ T6492] ? user_path_at+0xd4/0x160
[ 272.499796][ T6492] __se_sys_mount+0x31d/0x420
[ 272.499827][ T6492] ? __pfx___se_sys_mount+0x10/0x10
[ 272.499857][ T6492] ? __x64_sys_mount+0x20/0xc0
[ 272.499882][ T6492] do_syscall_64+0x14d/0xf80
[ 272.499904][ T6492] ? trace_irq_disable+0x3b/0x150
[ 272.499935][ T6492] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 272.499957][ T6492] ? clear_bhb_loop+0x40/0x90
[ 272.499983][ T6492] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 272.500005][ T6492] RIP: 0033:0x7f53a159da0a
[ 272.500027][ T6492] 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
[ 272.500045][ T6492] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.500069][ T6492] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 272.500086][ T6492] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 272.500101][ T6492] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 272.500117][ T6492] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 272.500130][ T6492] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 272.500165][ T6492]
[ 272.500433][ T6492] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.808050][ T6492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.175085][ T6495] loop1: detected capacity change from 0 to 32768
[ 273.199541][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.207643][ T6495] CPU: 0 UID: 0 PID: 6495 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full)
[ 273.207674][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 273.207689][ T6495] Call Trace:
[ 273.207698][ T6495]
[ 273.207707][ T6495] dump_stack_lvl+0xe8/0x150
[ 273.207743][ T6495] sysfs_create_dir_ns+0x271/0x2a0
[ 273.207772][ T6495] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 273.207798][ T6495] ? do_raw_spin_unlock+0xf5/0x210
[ 273.207827][ T6495] kobject_add_internal+0x62b/0xd00
[ 273.207863][ T6495] kobject_init_and_add+0x12b/0x1a0
[ 273.207905][ T6495] ? __pfx_kobject_init_and_add+0x10/0x10
[ 273.207933][ T6495] ? __raw_spin_lock_init+0x45/0x100
[ 273.207958][ T6495] ? __init_swait_queue_head+0xa9/0x150
[ 273.207987][ T6495] gfs2_sys_fs_add+0x257/0x480
[ 273.208013][ T6495] ? is_dynamic_key+0x1ac/0x1c0
[ 273.208043][ T6495] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 273.208081][ T6495] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 273.208119][ T6495] gfs2_fill_super+0x13a7/0x21d0
[ 273.208157][ T6495] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.208185][ T6495] ? sb_set_blocksize+0x155/0x240
[ 273.208210][ T6495] ? setup_bdev_super+0x4c1/0x5b0
[ 273.208243][ T6495] get_tree_bdev_flags+0x431/0x4f0
[ 273.208273][ T6495] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.208295][ T6495] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 273.208321][ T6495] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 273.208362][ T6495] gfs2_get_tree+0x51/0x1e0
[ 273.208387][ T6495] vfs_get_tree+0x92/0x2a0
[ 273.208419][ T6495] do_new_mount+0x341/0xd30
[ 273.208440][ T6495] ? apparmor_capable+0x126/0x170
[ 273.208467][ T6495] ? __pfx_do_new_mount+0x10/0x10
[ 273.208490][ T6495] ? ns_capable+0x89/0xe0
[ 273.208531][ T6495] ? user_path_at+0xd4/0x160
[ 273.208560][ T6495] __se_sys_mount+0x31d/0x420
[ 273.208590][ T6495] ? __pfx___se_sys_mount+0x10/0x10
[ 273.208621][ T6495] ? __x64_sys_mount+0x20/0xc0
[ 273.208647][ T6495] do_syscall_64+0x14d/0xf80
[ 273.208669][ T6495] ? trace_irq_disable+0x3b/0x150
[ 273.208691][ T6495] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.208713][ T6495] ? clear_bhb_loop+0x40/0x90
[ 273.208740][ T6495] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.208761][ T6495] RIP: 0033:0x7f53a159da0a
[ 273.208793][ T6495] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 273.208811][ T6495] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.208839][ T6495] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 273.208855][ T6495] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 273.208870][ T6495] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 273.208892][ T6495] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 273.208907][ T6495] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 273.208941][ T6495]
[ 273.208982][ T6495] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.514101][ T6495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.858167][ T6498] loop1: detected capacity change from 0 to 32768
[ 273.871014][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.885835][ T6498] CPU: 1 UID: 0 PID: 6498 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full)
[ 273.885866][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 273.885879][ T6498] Call Trace:
[ 273.885889][ T6498]
[ 273.885898][ T6498] dump_stack_lvl+0xe8/0x150
[ 273.885934][ T6498] sysfs_create_dir_ns+0x271/0x2a0
[ 273.885963][ T6498] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 273.885988][ T6498] ? do_raw_spin_unlock+0xf5/0x210
[ 273.886016][ T6498] kobject_add_internal+0x62b/0xd00
[ 273.886052][ T6498] kobject_init_and_add+0x12b/0x1a0
[ 273.886084][ T6498] ? __pfx_kobject_init_and_add+0x10/0x10
[ 273.886112][ T6498] ? __raw_spin_lock_init+0x45/0x100
[ 273.886137][ T6498] ? __init_swait_queue_head+0xa9/0x150
[ 273.886164][ T6498] gfs2_sys_fs_add+0x257/0x480
[ 273.886191][ T6498] ? is_dynamic_key+0x1ac/0x1c0
[ 273.886218][ T6498] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 273.886255][ T6498] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 273.886292][ T6498] gfs2_fill_super+0x13a7/0x21d0
[ 273.886330][ T6498] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.886357][ T6498] ? sb_set_blocksize+0x155/0x240
[ 273.886381][ T6498] ? setup_bdev_super+0x4c1/0x5b0
[ 273.886414][ T6498] get_tree_bdev_flags+0x431/0x4f0
[ 273.886443][ T6498] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.886464][ T6498] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 273.886491][ T6498] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 273.886530][ T6498] gfs2_get_tree+0x51/0x1e0
[ 273.886554][ T6498] vfs_get_tree+0x92/0x2a0
[ 273.886585][ T6498] do_new_mount+0x341/0xd30
[ 273.886606][ T6498] ? apparmor_capable+0x126/0x170
[ 273.886633][ T6498] ? __pfx_do_new_mount+0x10/0x10
[ 273.886656][ T6498] ? ns_capable+0x89/0xe0
[ 273.886694][ T6498] ? user_path_at+0xd4/0x160
[ 273.886722][ T6498] __se_sys_mount+0x31d/0x420
[ 273.886751][ T6498] ? __pfx___se_sys_mount+0x10/0x10
[ 273.886790][ T6498] ? __x64_sys_mount+0x20/0xc0
[ 273.886815][ T6498] do_syscall_64+0x14d/0xf80
[ 273.886837][ T6498] ? trace_irq_disable+0x3b/0x150
[ 273.886857][ T6498] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.886878][ T6498] ? clear_bhb_loop+0x40/0x90
[ 273.886903][ T6498] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.886925][ T6498] RIP: 0033:0x7f53a159da0a
[ 273.886945][ T6498] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 273.886961][ T6498] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.886985][ T6498] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 273.887001][ T6498] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 273.887016][ T6498] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 273.887030][ T6498] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 273.887044][ T6498] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 273.887076][ T6498]
[ 273.887103][ T6498] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.195332][ T6498] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/03 23:56:07 executed programs: 158
[ 274.556290][ T6501] loop1: detected capacity change from 0 to 32768
[ 274.571007][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.584417][ T6501] CPU: 1 UID: 0 PID: 6501 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full)
[ 274.584447][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 274.584462][ T6501] Call Trace:
[ 274.584471][ T6501]
[ 274.584482][ T6501] dump_stack_lvl+0xe8/0x150
[ 274.584528][ T6501] sysfs_create_dir_ns+0x271/0x2a0
[ 274.584558][ T6501] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 274.584585][ T6501] ? do_raw_spin_unlock+0xf5/0x210
[ 274.584614][ T6501] kobject_add_internal+0x62b/0xd00
[ 274.584652][ T6501] kobject_init_and_add+0x12b/0x1a0
[ 274.584684][ T6501] ? __pfx_kobject_init_and_add+0x10/0x10
[ 274.584713][ T6501] ? __raw_spin_lock_init+0x45/0x100
[ 274.584738][ T6501] ? __init_swait_queue_head+0xa9/0x150
[ 274.584766][ T6501] gfs2_sys_fs_add+0x257/0x480
[ 274.584794][ T6501] ? is_dynamic_key+0x1ac/0x1c0
[ 274.584823][ T6501] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 274.584861][ T6501] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 274.584900][ T6501] gfs2_fill_super+0x13a7/0x21d0
[ 274.584939][ T6501] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.584966][ T6501] ? sb_set_blocksize+0x155/0x240
[ 274.584991][ T6501] ? setup_bdev_super+0x4c1/0x5b0
[ 274.585024][ T6501] get_tree_bdev_flags+0x431/0x4f0
[ 274.585054][ T6501] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.585076][ T6501] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 274.585104][ T6501] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 274.585153][ T6501] gfs2_get_tree+0x51/0x1e0
[ 274.585179][ T6501] vfs_get_tree+0x92/0x2a0
[ 274.585212][ T6501] do_new_mount+0x341/0xd30
[ 274.585234][ T6501] ? apparmor_capable+0x126/0x170
[ 274.585261][ T6501] ? __pfx_do_new_mount+0x10/0x10
[ 274.585285][ T6501] ? ns_capable+0x89/0xe0
[ 274.585333][ T6501] ? user_path_at+0xd4/0x160
[ 274.585364][ T6501] __se_sys_mount+0x31d/0x420
[ 274.585394][ T6501] ? __pfx___se_sys_mount+0x10/0x10
[ 274.585424][ T6501] ? __x64_sys_mount+0x20/0xc0
[ 274.585450][ T6501] do_syscall_64+0x14d/0xf80
[ 274.585472][ T6501] ? trace_irq_disable+0x3b/0x150
[ 274.585494][ T6501] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.585517][ T6501] ? clear_bhb_loop+0x40/0x90
[ 274.585543][ T6501] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.585565][ T6501] RIP: 0033:0x7f53a159da0a
[ 274.585586][ T6501] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 274.585605][ T6501] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.585629][ T6501] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 274.585645][ T6501] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 274.585660][ T6501] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 274.585674][ T6501] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 274.585688][ T6501] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 274.585721][ T6501]
[ 274.585750][ T6501] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.895853][ T6501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.258702][ T6504] loop1: detected capacity change from 0 to 32768
[ 275.272189][ T6504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.281682][ T6504] CPU: 1 UID: 0 PID: 6504 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full)
[ 275.281711][ T6504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 275.281724][ T6504] Call Trace:
[ 275.281739][ T6504]
[ 275.281749][ T6504] dump_stack_lvl+0xe8/0x150
[ 275.281786][ T6504] sysfs_create_dir_ns+0x271/0x2a0
[ 275.281815][ T6504] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 275.281840][ T6504] ? do_raw_spin_unlock+0xf5/0x210
[ 275.281870][ T6504] kobject_add_internal+0x62b/0xd00
[ 275.281906][ T6504] kobject_init_and_add+0x12b/0x1a0
[ 275.281939][ T6504] ? __pfx_kobject_init_and_add+0x10/0x10
[ 275.281968][ T6504] ? __raw_spin_lock_init+0x45/0x100
[ 275.281994][ T6504] ? __init_swait_queue_head+0xa9/0x150
[ 275.282021][ T6504] gfs2_sys_fs_add+0x257/0x480
[ 275.282049][ T6504] ? is_dynamic_key+0x1ac/0x1c0
[ 275.282079][ T6504] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 275.282116][ T6504] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 275.282162][ T6504] gfs2_fill_super+0x13a7/0x21d0
[ 275.282202][ T6504] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.282230][ T6504] ? sb_set_blocksize+0x155/0x240
[ 275.282255][ T6504] ? setup_bdev_super+0x4c1/0x5b0
[ 275.282288][ T6504] get_tree_bdev_flags+0x431/0x4f0
[ 275.282318][ T6504] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.282339][ T6504] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 275.282367][ T6504] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 275.282407][ T6504] gfs2_get_tree+0x51/0x1e0
[ 275.282433][ T6504] vfs_get_tree+0x92/0x2a0
[ 275.282463][ T6504] do_new_mount+0x341/0xd30
[ 275.282485][ T6504] ? apparmor_capable+0x126/0x170
[ 275.282513][ T6504] ? __pfx_do_new_mount+0x10/0x10
[ 275.282536][ T6504] ? ns_capable+0x89/0xe0
[ 275.282575][ T6504] ? user_path_at+0xd4/0x160
[ 275.282603][ T6504] __se_sys_mount+0x31d/0x420
[ 275.282633][ T6504] ? __pfx___se_sys_mount+0x10/0x10
[ 275.282665][ T6504] ? __x64_sys_mount+0x20/0xc0
[ 275.282691][ T6504] do_syscall_64+0x14d/0xf80
[ 275.282713][ T6504] ? trace_irq_disable+0x3b/0x150
[ 275.282734][ T6504] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.282756][ T6504] ? clear_bhb_loop+0x40/0x90
[ 275.282780][ T6504] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.282801][ T6504] RIP: 0033:0x7f53a159da0a
[ 275.282820][ T6504] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 275.282838][ T6504] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.282860][ T6504] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 275.282876][ T6504] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 275.282891][ T6504] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 275.282905][ T6504] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 275.282920][ T6504] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 275.282952][ T6504]
[ 275.283543][ T6504] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.590608][ T6504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.958410][ T6507] loop1: detected capacity change from 0 to 32768
[ 275.968741][ T6507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.976810][ T6507] CPU: 0 UID: 0 PID: 6507 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full)
[ 275.976840][ T6507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 275.976854][ T6507] Call Trace:
[ 275.976864][ T6507]
[ 275.976874][ T6507] dump_stack_lvl+0xe8/0x150
[ 275.976910][ T6507] sysfs_create_dir_ns+0x271/0x2a0
[ 275.976938][ T6507] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 275.976966][ T6507] ? do_raw_spin_unlock+0xf5/0x210
[ 275.976994][ T6507] kobject_add_internal+0x62b/0xd00
[ 275.977032][ T6507] kobject_init_and_add+0x12b/0x1a0
[ 275.977065][ T6507] ? __pfx_kobject_init_and_add+0x10/0x10
[ 275.977092][ T6507] ? __raw_spin_lock_init+0x45/0x100
[ 275.977127][ T6507] ? __init_swait_queue_head+0xa9/0x150
[ 275.977155][ T6507] gfs2_sys_fs_add+0x257/0x480
[ 275.977184][ T6507] ? is_dynamic_key+0x1ac/0x1c0
[ 275.977213][ T6507] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 275.977251][ T6507] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 275.977290][ T6507] gfs2_fill_super+0x13a7/0x21d0
[ 275.977329][ T6507] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.977357][ T6507] ? sb_set_blocksize+0x155/0x240
[ 275.977390][ T6507] ? setup_bdev_super+0x4c1/0x5b0
[ 275.977424][ T6507] get_tree_bdev_flags+0x431/0x4f0
[ 275.977454][ T6507] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.977476][ T6507] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 275.977506][ T6507] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 275.977546][ T6507] gfs2_get_tree+0x51/0x1e0
[ 275.977572][ T6507] vfs_get_tree+0x92/0x2a0
[ 275.977604][ T6507] do_new_mount+0x341/0xd30
[ 275.977626][ T6507] ? apparmor_capable+0x126/0x170
[ 275.977654][ T6507] ? __pfx_do_new_mount+0x10/0x10
[ 275.977677][ T6507] ? ns_capable+0x89/0xe0
[ 275.977717][ T6507] ? user_path_at+0xd4/0x160
[ 275.977746][ T6507] __se_sys_mount+0x31d/0x420
[ 275.977776][ T6507] ? __pfx___se_sys_mount+0x10/0x10
[ 275.977807][ T6507] ? __x64_sys_mount+0x20/0xc0
[ 275.977833][ T6507] do_syscall_64+0x14d/0xf80
[ 275.977854][ T6507] ? trace_irq_disable+0x3b/0x150
[ 275.977876][ T6507] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.977897][ T6507] ? clear_bhb_loop+0x40/0x90
[ 275.977922][ T6507] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.977944][ T6507] RIP: 0033:0x7f53a159da0a
[ 275.977965][ T6507] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 275.977983][ T6507] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.978006][ T6507] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 275.978022][ T6507] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 275.978037][ T6507] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 275.978052][ T6507] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 275.978065][ T6507] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 275.978098][ T6507]
[ 276.273522][ T6507] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.287993][ T6507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.643725][ T6510] loop1: detected capacity change from 0 to 32768
[ 276.669653][ T6510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.677420][ T6510] CPU: 0 UID: 0 PID: 6510 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full)
[ 276.677449][ T6510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 276.677462][ T6510] Call Trace:
[ 276.677471][ T6510]
[ 276.677483][ T6510] dump_stack_lvl+0xe8/0x150
[ 276.677529][ T6510] sysfs_create_dir_ns+0x271/0x2a0
[ 276.677557][ T6510] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 276.677584][ T6510] ? do_raw_spin_unlock+0xf5/0x210
[ 276.677612][ T6510] kobject_add_internal+0x62b/0xd00
[ 276.677649][ T6510] kobject_init_and_add+0x12b/0x1a0
[ 276.677681][ T6510] ? __pfx_kobject_init_and_add+0x10/0x10
[ 276.677709][ T6510] ? __raw_spin_lock_init+0x45/0x100
[ 276.677735][ T6510] ? __init_swait_queue_head+0xa9/0x150
[ 276.677762][ T6510] gfs2_sys_fs_add+0x257/0x480
[ 276.677790][ T6510] ? is_dynamic_key+0x1ac/0x1c0
[ 276.677818][ T6510] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 276.677854][ T6510] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 276.677891][ T6510] gfs2_fill_super+0x13a7/0x21d0
[ 276.677927][ T6510] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.677953][ T6510] ? sb_set_blocksize+0x155/0x240
[ 276.677979][ T6510] ? setup_bdev_super+0x4c1/0x5b0
[ 276.678008][ T6510] get_tree_bdev_flags+0x431/0x4f0
[ 276.678034][ T6510] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.678051][ T6510] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 276.678075][ T6510] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 276.678115][ T6510] gfs2_get_tree+0x51/0x1e0
[ 276.678140][ T6510] vfs_get_tree+0x92/0x2a0
[ 276.678170][ T6510] do_new_mount+0x341/0xd30
[ 276.678192][ T6510] ? apparmor_capable+0x126/0x170
[ 276.678219][ T6510] ? __pfx_do_new_mount+0x10/0x10
[ 276.678242][ T6510] ? ns_capable+0x89/0xe0
[ 276.678282][ T6510] ? user_path_at+0xd4/0x160
[ 276.678312][ T6510] __se_sys_mount+0x31d/0x420
[ 276.678342][ T6510] ? __pfx___se_sys_mount+0x10/0x10
[ 276.678373][ T6510] ? __x64_sys_mount+0x20/0xc0
[ 276.678399][ T6510] do_syscall_64+0x14d/0xf80
[ 276.678421][ T6510] ? trace_irq_disable+0x3b/0x150
[ 276.678442][ T6510] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.678465][ T6510] ? clear_bhb_loop+0x40/0x90
[ 276.678502][ T6510] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.678525][ T6510] RIP: 0033:0x7f53a159da0a
[ 276.678546][ T6510] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 276.678565][ T6510] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.678589][ T6510] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 276.678605][ T6510] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 276.678620][ T6510] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 276.678635][ T6510] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 276.678649][ T6510] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 276.678681][ T6510]
[ 276.967901][ T6510] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.981903][ T6510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.387003][ T6513] loop1: detected capacity change from 0 to 32768
[ 277.398481][ T6513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.409159][ T6513] CPU: 1 UID: 0 PID: 6513 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full)
[ 277.409188][ T6513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 277.409200][ T6513] Call Trace:
[ 277.409208][ T6513]
[ 277.409216][ T6513] dump_stack_lvl+0xe8/0x150
[ 277.409247][ T6513] sysfs_create_dir_ns+0x271/0x2a0
[ 277.409270][ T6513] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 277.409291][ T6513] ? do_raw_spin_unlock+0xf5/0x210
[ 277.409315][ T6513] kobject_add_internal+0x62b/0xd00
[ 277.409344][ T6513] kobject_init_and_add+0x12b/0x1a0
[ 277.409372][ T6513] ? __pfx_kobject_init_and_add+0x10/0x10
[ 277.409395][ T6513] ? __raw_spin_lock_init+0x45/0x100
[ 277.409416][ T6513] ? __init_swait_queue_head+0xa9/0x150
[ 277.409438][ T6513] gfs2_sys_fs_add+0x257/0x480
[ 277.409467][ T6513] ? is_dynamic_key+0x1ac/0x1c0
[ 277.409495][ T6513] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 277.409525][ T6513] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 277.409555][ T6513] gfs2_fill_super+0x13a7/0x21d0
[ 277.409586][ T6513] ? __pfx_gfs2_fill_super+0x10/0x10
[ 277.409607][ T6513] ? sb_set_blocksize+0x155/0x240
[ 277.409627][ T6513] ? setup_bdev_super+0x4c1/0x5b0
[ 277.409654][ T6513] get_tree_bdev_flags+0x431/0x4f0
[ 277.409679][ T6513] ? __pfx_gfs2_fill_super+0x10/0x10
[ 277.409696][ T6513] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 277.409718][ T6513] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 277.409750][ T6513] gfs2_get_tree+0x51/0x1e0
[ 277.409771][ T6513] vfs_get_tree+0x92/0x2a0
[ 277.409796][ T6513] do_new_mount+0x341/0xd30
[ 277.409813][ T6513] ? apparmor_capable+0x126/0x170
[ 277.409835][ T6513] ? __pfx_do_new_mount+0x10/0x10
[ 277.409853][ T6513] ? ns_capable+0x89/0xe0
[ 277.409886][ T6513] ? user_path_at+0xd4/0x160
[ 277.409909][ T6513] __se_sys_mount+0x31d/0x420
[ 277.409933][ T6513] ? __pfx___se_sys_mount+0x10/0x10
[ 277.409958][ T6513] ? __x64_sys_mount+0x20/0xc0
[ 277.409979][ T6513] do_syscall_64+0x14d/0xf80
[ 277.409996][ T6513] ? trace_irq_disable+0x3b/0x150
[ 277.410014][ T6513] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 277.410031][ T6513] ? clear_bhb_loop+0x40/0x90
[ 277.410052][ T6513] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 277.410070][ T6513] RIP: 0033:0x7f53a159da0a
[ 277.410086][ T6513] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 277.410102][ T6513] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.410122][ T6513] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 277.410135][ T6513] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 277.410147][ T6513] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 277.410159][ T6513] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 277.410170][ T6513] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 277.410196][ T6513]
[ 277.410225][ T6513] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.717049][ T6513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.083467][ T6516] loop1: detected capacity change from 0 to 32768
[ 278.118438][ T6516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.127428][ T6516] CPU: 1 UID: 0 PID: 6516 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full)
[ 278.127460][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 278.127474][ T6516] Call Trace:
[ 278.127488][ T6516]
[ 278.127497][ T6516] dump_stack_lvl+0xe8/0x150
[ 278.127534][ T6516] sysfs_create_dir_ns+0x271/0x2a0
[ 278.127562][ T6516] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 278.127588][ T6516] ? do_raw_spin_unlock+0xf5/0x210
[ 278.127616][ T6516] kobject_add_internal+0x62b/0xd00
[ 278.127653][ T6516] kobject_init_and_add+0x12b/0x1a0
[ 278.127686][ T6516] ? __pfx_kobject_init_and_add+0x10/0x10
[ 278.127715][ T6516] ? __raw_spin_lock_init+0x45/0x100
[ 278.127742][ T6516] ? __init_swait_queue_head+0xa9/0x150
[ 278.127768][ T6516] gfs2_sys_fs_add+0x257/0x480
[ 278.127796][ T6516] ? is_dynamic_key+0x1ac/0x1c0
[ 278.127826][ T6516] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 278.127864][ T6516] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 278.127903][ T6516] gfs2_fill_super+0x13a7/0x21d0
[ 278.127942][ T6516] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.127969][ T6516] ? sb_set_blocksize+0x155/0x240
[ 278.128004][ T6516] ? setup_bdev_super+0x4c1/0x5b0
[ 278.128038][ T6516] get_tree_bdev_flags+0x431/0x4f0
[ 278.128068][ T6516] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.128089][ T6516] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.128117][ T6516] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.128156][ T6516] gfs2_get_tree+0x51/0x1e0
[ 278.128181][ T6516] vfs_get_tree+0x92/0x2a0
[ 278.128212][ T6516] do_new_mount+0x341/0xd30
[ 278.128373][ T6516] ? apparmor_capable+0x126/0x170
[ 278.128414][ T6516] ? __pfx_do_new_mount+0x10/0x10
[ 278.128438][ T6516] ? ns_capable+0x89/0xe0
[ 278.128478][ T6516] ? user_path_at+0xd4/0x160
[ 278.128508][ T6516] __se_sys_mount+0x31d/0x420
[ 278.128539][ T6516] ? __pfx___se_sys_mount+0x10/0x10
[ 278.128570][ T6516] ? __x64_sys_mount+0x20/0xc0
[ 278.128597][ T6516] do_syscall_64+0x14d/0xf80
[ 278.128619][ T6516] ? trace_irq_disable+0x3b/0x150
[ 278.128641][ T6516] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.128663][ T6516] ? clear_bhb_loop+0x40/0x90
[ 278.128689][ T6516] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.128711][ T6516] RIP: 0033:0x7f53a159da0a
[ 278.128733][ T6516] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 278.128751][ T6516] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.128774][ T6516] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 278.128790][ T6516] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 278.128804][ T6516] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 278.128817][ T6516] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 278.128829][ T6516] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 278.128859][ T6516]
[ 278.417125][ T6516] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.431998][ T6516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.839974][ T6519] loop1: detected capacity change from 0 to 32768
[ 278.854524][ T6519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.863429][ T6519] CPU: 0 UID: 0 PID: 6519 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full)
[ 278.863457][ T6519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 278.863471][ T6519] Call Trace:
[ 278.863479][ T6519]
[ 278.863490][ T6519] dump_stack_lvl+0xe8/0x150
[ 278.863525][ T6519] sysfs_create_dir_ns+0x271/0x2a0
[ 278.863553][ T6519] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 278.863580][ T6519] ? do_raw_spin_unlock+0xf5/0x210
[ 278.863611][ T6519] kobject_add_internal+0x62b/0xd00
[ 278.863647][ T6519] kobject_init_and_add+0x12b/0x1a0
[ 278.863680][ T6519] ? __pfx_kobject_init_and_add+0x10/0x10
[ 278.863720][ T6519] ? __raw_spin_lock_init+0x45/0x100
[ 278.863746][ T6519] ? __init_swait_queue_head+0xa9/0x150
[ 278.863774][ T6519] gfs2_sys_fs_add+0x257/0x480
[ 278.863803][ T6519] ? is_dynamic_key+0x1ac/0x1c0
[ 278.863831][ T6519] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 278.863868][ T6519] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 278.863906][ T6519] gfs2_fill_super+0x13a7/0x21d0
[ 278.863946][ T6519] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.863973][ T6519] ? sb_set_blocksize+0x155/0x240
[ 278.863999][ T6519] ? setup_bdev_super+0x4c1/0x5b0
[ 278.864031][ T6519] get_tree_bdev_flags+0x431/0x4f0
[ 278.864062][ T6519] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.864082][ T6519] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.864108][ T6519] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.864147][ T6519] gfs2_get_tree+0x51/0x1e0
[ 278.864171][ T6519] vfs_get_tree+0x92/0x2a0
[ 278.864202][ T6519] do_new_mount+0x341/0xd30
[ 278.864228][ T6519] ? apparmor_capable+0x126/0x170
[ 278.864257][ T6519] ? __pfx_do_new_mount+0x10/0x10
[ 278.864281][ T6519] ? ns_capable+0x89/0xe0
[ 278.864321][ T6519] ? user_path_at+0xd4/0x160
[ 278.864351][ T6519] __se_sys_mount+0x31d/0x420
[ 278.864382][ T6519] ? __pfx___se_sys_mount+0x10/0x10
[ 278.864414][ T6519] ? __x64_sys_mount+0x20/0xc0
[ 278.864440][ T6519] do_syscall_64+0x14d/0xf80
[ 278.864462][ T6519] ? trace_irq_disable+0x3b/0x150
[ 278.864482][ T6519] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.864503][ T6519] ? clear_bhb_loop+0x40/0x90
[ 278.864528][ T6519] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.864550][ T6519] RIP: 0033:0x7f53a159da0a
[ 278.864570][ T6519] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 278.864587][ T6519] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.864611][ T6519] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 278.864627][ T6519] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 278.864642][ T6519] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 278.864656][ T6519] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 278.864670][ T6519] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 278.864714][ T6519]
[ 278.864770][ T6519] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.172101][ T6519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.555411][ T6524] loop1: detected capacity change from 0 to 32768
[ 279.565729][ T6524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.574288][ T6524] CPU: 0 UID: 0 PID: 6524 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full)
[ 279.574318][ T6524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 279.574350][ T6524] Call Trace:
[ 279.574359][ T6524]
[ 279.574369][ T6524] dump_stack_lvl+0xe8/0x150
[ 279.574404][ T6524] sysfs_create_dir_ns+0x271/0x2a0
[ 279.574433][ T6524] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 279.574459][ T6524] ? do_raw_spin_unlock+0xf5/0x210
[ 279.574488][ T6524] kobject_add_internal+0x62b/0xd00
[ 279.574539][ T6524] kobject_init_and_add+0x12b/0x1a0
[ 279.574578][ T6524] ? __pfx_kobject_init_and_add+0x10/0x10
[ 279.574611][ T6524] ? __raw_spin_lock_init+0x45/0x100
[ 279.574637][ T6524] ? __init_swait_queue_head+0xa9/0x150
[ 279.574666][ T6524] gfs2_sys_fs_add+0x257/0x480
[ 279.574693][ T6524] ? is_dynamic_key+0x1ac/0x1c0
[ 279.574732][ T6524] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 279.574771][ T6524] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 279.574809][ T6524] gfs2_fill_super+0x13a7/0x21d0
[ 279.574849][ T6524] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.574877][ T6524] ? sb_set_blocksize+0x155/0x240
[ 279.574903][ T6524] ? setup_bdev_super+0x4c1/0x5b0
[ 279.574936][ T6524] get_tree_bdev_flags+0x431/0x4f0
[ 279.574967][ T6524] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.574989][ T6524] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 279.575016][ T6524] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 279.575058][ T6524] gfs2_get_tree+0x51/0x1e0
[ 279.575084][ T6524] vfs_get_tree+0x92/0x2a0
[ 279.575116][ T6524] do_new_mount+0x341/0xd30
[ 279.575137][ T6524] ? apparmor_capable+0x126/0x170
[ 279.575165][ T6524] ? __pfx_do_new_mount+0x10/0x10
[ 279.575189][ T6524] ? ns_capable+0x89/0xe0
[ 279.575237][ T6524] ? user_path_at+0xd4/0x160
[ 279.575267][ T6524] __se_sys_mount+0x31d/0x420
[ 279.575298][ T6524] ? __pfx___se_sys_mount+0x10/0x10
[ 279.575328][ T6524] ? __x64_sys_mount+0x20/0xc0
[ 279.575354][ T6524] do_syscall_64+0x14d/0xf80
[ 279.575376][ T6524] ? trace_irq_disable+0x3b/0x150
[ 279.575398][ T6524] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.575420][ T6524] ? clear_bhb_loop+0x40/0x90
[ 279.575446][ T6524] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.575468][ T6524] RIP: 0033:0x7f53a159da0a
[ 279.575489][ T6524] 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
[ 279.575507][ T6524] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.575531][ T6524] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 279.575548][ T6524] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 279.575564][ T6524] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 279.575578][ T6524] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 279.575592][ T6524] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 279.575625][ T6524]
[ 279.575694][ T6524] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.881227][ T6524] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/03 23:56:13 executed programs: 166
[ 280.290911][ T6528] loop1: detected capacity change from 0 to 32768
[ 280.305468][ T6528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.313322][ T6528] CPU: 0 UID: 0 PID: 6528 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full)
[ 280.313350][ T6528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 280.313364][ T6528] Call Trace:
[ 280.313372][ T6528]
[ 280.313381][ T6528] dump_stack_lvl+0xe8/0x150
[ 280.313417][ T6528] sysfs_create_dir_ns+0x271/0x2a0
[ 280.313445][ T6528] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 280.313471][ T6528] ? do_raw_spin_unlock+0xf5/0x210
[ 280.313501][ T6528] kobject_add_internal+0x62b/0xd00
[ 280.313536][ T6528] kobject_init_and_add+0x12b/0x1a0
[ 280.313567][ T6528] ? __pfx_kobject_init_and_add+0x10/0x10
[ 280.313595][ T6528] ? __raw_spin_lock_init+0x45/0x100
[ 280.313631][ T6528] ? __init_swait_queue_head+0xa9/0x150
[ 280.313658][ T6528] gfs2_sys_fs_add+0x257/0x480
[ 280.313686][ T6528] ? is_dynamic_key+0x1ac/0x1c0
[ 280.313714][ T6528] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 280.313750][ T6528] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 280.313788][ T6528] gfs2_fill_super+0x13a7/0x21d0
[ 280.313824][ T6528] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.313850][ T6528] ? sb_set_blocksize+0x155/0x240
[ 280.313873][ T6528] ? setup_bdev_super+0x4c1/0x5b0
[ 280.313904][ T6528] get_tree_bdev_flags+0x431/0x4f0
[ 280.313935][ T6528] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.313957][ T6528] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 280.313984][ T6528] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 280.314025][ T6528] gfs2_get_tree+0x51/0x1e0
[ 280.314049][ T6528] vfs_get_tree+0x92/0x2a0
[ 280.314081][ T6528] do_new_mount+0x341/0xd30
[ 280.314101][ T6528] ? apparmor_capable+0x126/0x170
[ 280.314129][ T6528] ? __pfx_do_new_mount+0x10/0x10
[ 280.314151][ T6528] ? ns_capable+0x89/0xe0
[ 280.314192][ T6528] ? user_path_at+0xd4/0x160
[ 280.314220][ T6528] __se_sys_mount+0x31d/0x420
[ 280.314281][ T6528] ? __pfx___se_sys_mount+0x10/0x10
[ 280.314313][ T6528] ? __x64_sys_mount+0x20/0xc0
[ 280.314339][ T6528] do_syscall_64+0x14d/0xf80
[ 280.314361][ T6528] ? trace_irq_disable+0x3b/0x150
[ 280.314383][ T6528] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.314405][ T6528] ? clear_bhb_loop+0x40/0x90
[ 280.314433][ T6528] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.314460][ T6528] RIP: 0033:0x7f53a159da0a
[ 280.314481][ T6528] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 280.314500][ T6528] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.314524][ T6528] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 280.314540][ T6528] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 280.314556][ T6528] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 280.314570][ T6528] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 280.314585][ T6528] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 280.314626][ T6528]
[ 280.314891][ T6528] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.626197][ T6528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.984965][ T6531] loop1: detected capacity change from 0 to 32768
[ 280.997009][ T6531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.004965][ T6531] CPU: 0 UID: 0 PID: 6531 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full)
[ 281.004994][ T6531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 281.005007][ T6531] Call Trace:
[ 281.005017][ T6531]
[ 281.005026][ T6531] dump_stack_lvl+0xe8/0x150
[ 281.005063][ T6531] sysfs_create_dir_ns+0x271/0x2a0
[ 281.005093][ T6531] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.005120][ T6531] ? do_raw_spin_unlock+0xf5/0x210
[ 281.005150][ T6531] kobject_add_internal+0x62b/0xd00
[ 281.005187][ T6531] kobject_init_and_add+0x12b/0x1a0
[ 281.005221][ T6531] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.005249][ T6531] ? __raw_spin_lock_init+0x45/0x100
[ 281.005275][ T6531] ? __init_swait_queue_head+0xa9/0x150
[ 281.005302][ T6531] gfs2_sys_fs_add+0x257/0x480
[ 281.005329][ T6531] ? is_dynamic_key+0x1ac/0x1c0
[ 281.005359][ T6531] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.005396][ T6531] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.005434][ T6531] gfs2_fill_super+0x13a7/0x21d0
[ 281.005494][ T6531] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.005521][ T6531] ? sb_set_blocksize+0x155/0x240
[ 281.005546][ T6531] ? setup_bdev_super+0x4c1/0x5b0
[ 281.005579][ T6531] get_tree_bdev_flags+0x431/0x4f0
[ 281.005609][ T6531] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.005631][ T6531] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.005658][ T6531] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 281.005699][ T6531] gfs2_get_tree+0x51/0x1e0
[ 281.005725][ T6531] vfs_get_tree+0x92/0x2a0
[ 281.005757][ T6531] do_new_mount+0x341/0xd30
[ 281.005779][ T6531] ? apparmor_capable+0x126/0x170
[ 281.005807][ T6531] ? __pfx_do_new_mount+0x10/0x10
[ 281.005831][ T6531] ? ns_capable+0x89/0xe0
[ 281.005871][ T6531] ? user_path_at+0xd4/0x160
[ 281.005901][ T6531] __se_sys_mount+0x31d/0x420
[ 281.005932][ T6531] ? __pfx___se_sys_mount+0x10/0x10
[ 281.005962][ T6531] ? __x64_sys_mount+0x20/0xc0
[ 281.005992][ T6531] do_syscall_64+0x14d/0xf80
[ 281.006013][ T6531] ? trace_irq_disable+0x3b/0x150
[ 281.006035][ T6531] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.006058][ T6531] ? clear_bhb_loop+0x40/0x90
[ 281.006084][ T6531] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.006106][ T6531] RIP: 0033:0x7f53a159da0a
[ 281.006126][ T6531] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 281.006146][ T6531] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.006169][ T6531] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 281.006186][ T6531] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 281.006201][ T6531] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 281.006216][ T6531] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 281.006230][ T6531] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 281.006264][ T6531]
[ 281.006319][ T6531] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.314393][ T6531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.708844][ T6534] loop1: detected capacity change from 0 to 32768
[ 281.719657][ T6534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.730686][ T6534] CPU: 1 UID: 0 PID: 6534 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full)
[ 281.730714][ T6534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 281.730727][ T6534] Call Trace:
[ 281.730736][ T6534]
[ 281.730747][ T6534] dump_stack_lvl+0xe8/0x150
[ 281.730784][ T6534] sysfs_create_dir_ns+0x271/0x2a0
[ 281.730812][ T6534] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.730839][ T6534] ? do_raw_spin_unlock+0xf5/0x210
[ 281.730867][ T6534] kobject_add_internal+0x62b/0xd00
[ 281.730903][ T6534] kobject_init_and_add+0x12b/0x1a0
[ 281.730936][ T6534] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.730964][ T6534] ? __raw_spin_lock_init+0x45/0x100
[ 281.730990][ T6534] ? __init_swait_queue_head+0xa9/0x150
[ 281.731017][ T6534] gfs2_sys_fs_add+0x257/0x480
[ 281.731045][ T6534] ? is_dynamic_key+0x1ac/0x1c0
[ 281.731074][ T6534] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.731112][ T6534] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.731151][ T6534] gfs2_fill_super+0x13a7/0x21d0
[ 281.731190][ T6534] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.731217][ T6534] ? sb_set_blocksize+0x155/0x240
[ 281.731242][ T6534] ? setup_bdev_super+0x4c1/0x5b0
[ 281.731275][ T6534] get_tree_bdev_flags+0x431/0x4f0
[ 281.731305][ T6534] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.731327][ T6534] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.731354][ T6534] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 281.731393][ T6534] gfs2_get_tree+0x51/0x1e0
[ 281.731417][ T6534] vfs_get_tree+0x92/0x2a0
[ 281.731448][ T6534] do_new_mount+0x341/0xd30
[ 281.731468][ T6534] ? apparmor_capable+0x126/0x170
[ 281.731494][ T6534] ? __pfx_do_new_mount+0x10/0x10
[ 281.731523][ T6534] ? ns_capable+0x89/0xe0
[ 281.731560][ T6534] ? user_path_at+0xd4/0x160
[ 281.731587][ T6534] __se_sys_mount+0x31d/0x420
[ 281.731617][ T6534] ? __pfx___se_sys_mount+0x10/0x10
[ 281.731646][ T6534] ? __x64_sys_mount+0x20/0xc0
[ 281.731670][ T6534] do_syscall_64+0x14d/0xf80
[ 281.731691][ T6534] ? trace_irq_disable+0x3b/0x150
[ 281.731711][ T6534] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.731731][ T6534] ? clear_bhb_loop+0x40/0x90
[ 281.731763][ T6534] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.731784][ T6534] RIP: 0033:0x7f53a159da0a
[ 281.731803][ T6534] 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
[ 281.731821][ T6534] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.731845][ T6534] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 281.731861][ T6534] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 281.731876][ T6534] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 281.731891][ T6534] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 281.731904][ T6534] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 281.731938][ T6534]
[ 281.732556][ T6534] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.045344][ T6534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.409004][ T6539] loop1: detected capacity change from 0 to 32768
[ 282.421374][ T6539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.430686][ T6539] CPU: 1 UID: 0 PID: 6539 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full)
[ 282.430715][ T6539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 282.430729][ T6539] Call Trace:
[ 282.430738][ T6539]
[ 282.430748][ T6539] dump_stack_lvl+0xe8/0x150
[ 282.430784][ T6539] sysfs_create_dir_ns+0x271/0x2a0
[ 282.430812][ T6539] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 282.430838][ T6539] ? do_raw_spin_unlock+0xf5/0x210
[ 282.430867][ T6539] kobject_add_internal+0x62b/0xd00
[ 282.430903][ T6539] kobject_init_and_add+0x12b/0x1a0
[ 282.430935][ T6539] ? __pfx_kobject_init_and_add+0x10/0x10
[ 282.430964][ T6539] ? __raw_spin_lock_init+0x45/0x100
[ 282.431000][ T6539] ? __init_swait_queue_head+0xa9/0x150
[ 282.431028][ T6539] gfs2_sys_fs_add+0x257/0x480
[ 282.431056][ T6539] ? is_dynamic_key+0x1ac/0x1c0
[ 282.431085][ T6539] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 282.431131][ T6539] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 282.431179][ T6539] gfs2_fill_super+0x13a7/0x21d0
[ 282.431218][ T6539] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.431245][ T6539] ? sb_set_blocksize+0x155/0x240
[ 282.431274][ T6539] ? setup_bdev_super+0x4c1/0x5b0
[ 282.431307][ T6539] get_tree_bdev_flags+0x431/0x4f0
[ 282.431336][ T6539] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.431358][ T6539] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 282.431385][ T6539] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 282.431430][ T6539] gfs2_get_tree+0x51/0x1e0
[ 282.431456][ T6539] vfs_get_tree+0x92/0x2a0
[ 282.431488][ T6539] do_new_mount+0x341/0xd30
[ 282.431510][ T6539] ? apparmor_capable+0x126/0x170
[ 282.431536][ T6539] ? __pfx_do_new_mount+0x10/0x10
[ 282.431560][ T6539] ? ns_capable+0x89/0xe0
[ 282.431599][ T6539] ? user_path_at+0xd4/0x160
[ 282.431628][ T6539] __se_sys_mount+0x31d/0x420
[ 282.431659][ T6539] ? __pfx___se_sys_mount+0x10/0x10
[ 282.431691][ T6539] ? __x64_sys_mount+0x20/0xc0
[ 282.431717][ T6539] do_syscall_64+0x14d/0xf80
[ 282.431740][ T6539] ? trace_irq_disable+0x3b/0x150
[ 282.431761][ T6539] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.431783][ T6539] ? clear_bhb_loop+0x40/0x90
[ 282.431810][ T6539] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.431832][ T6539] RIP: 0033:0x7f53a159da0a
[ 282.431853][ T6539] 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
[ 282.431872][ T6539] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.431896][ T6539] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 282.431912][ T6539] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 282.431927][ T6539] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 282.431942][ T6539] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 282.431957][ T6539] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 282.431998][ T6539]
[ 282.432212][ T6539] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.741715][ T6539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.127433][ T6543] loop1: detected capacity change from 0 to 32768
[ 283.137999][ T6543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.151189][ T6543] CPU: 0 UID: 0 PID: 6543 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full)
[ 283.151220][ T6543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 283.151234][ T6543] Call Trace:
[ 283.151244][ T6543]
[ 283.151253][ T6543] dump_stack_lvl+0xe8/0x150
[ 283.151291][ T6543] sysfs_create_dir_ns+0x271/0x2a0
[ 283.151319][ T6543] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 283.151345][ T6543] ? do_raw_spin_unlock+0xf5/0x210
[ 283.151375][ T6543] kobject_add_internal+0x62b/0xd00
[ 283.151412][ T6543] kobject_init_and_add+0x12b/0x1a0
[ 283.151446][ T6543] ? __pfx_kobject_init_and_add+0x10/0x10
[ 283.151474][ T6543] ? __raw_spin_lock_init+0x45/0x100
[ 283.151501][ T6543] ? __init_swait_queue_head+0xa9/0x150
[ 283.151528][ T6543] gfs2_sys_fs_add+0x257/0x480
[ 283.151556][ T6543] ? is_dynamic_key+0x1ac/0x1c0
[ 283.151585][ T6543] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 283.151623][ T6543] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 283.151661][ T6543] gfs2_fill_super+0x13a7/0x21d0
[ 283.151701][ T6543] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.151728][ T6543] ? sb_set_blocksize+0x155/0x240
[ 283.151754][ T6543] ? setup_bdev_super+0x4c1/0x5b0
[ 283.151787][ T6543] get_tree_bdev_flags+0x431/0x4f0
[ 283.151826][ T6543] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.151849][ T6543] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 283.151876][ T6543] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 283.151929][ T6543] gfs2_get_tree+0x51/0x1e0
[ 283.151955][ T6543] vfs_get_tree+0x92/0x2a0
[ 283.151986][ T6543] do_new_mount+0x341/0xd30
[ 283.152008][ T6543] ? apparmor_capable+0x126/0x170
[ 283.152036][ T6543] ? __pfx_do_new_mount+0x10/0x10
[ 283.152068][ T6543] ? ns_capable+0x89/0xe0
[ 283.152111][ T6543] ? user_path_at+0xd4/0x160
[ 283.152141][ T6543] __se_sys_mount+0x31d/0x420
[ 283.152171][ T6543] ? __pfx___se_sys_mount+0x10/0x10
[ 283.152202][ T6543] ? __x64_sys_mount+0x20/0xc0
[ 283.152228][ T6543] do_syscall_64+0x14d/0xf80
[ 283.152251][ T6543] ? trace_irq_disable+0x3b/0x150
[ 283.152272][ T6543] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.152293][ T6543] ? clear_bhb_loop+0x40/0x90
[ 283.152320][ T6543] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.152342][ T6543] RIP: 0033:0x7f53a159da0a
[ 283.152362][ T6543] 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
[ 283.152380][ T6543] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.152404][ T6543] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 283.152421][ T6543] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 283.152437][ T6543] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 283.152451][ T6543] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 283.152466][ T6543] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 283.152499][ T6543]
[ 283.153142][ T6543] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.460863][ T6543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.829883][ T6546] loop1: detected capacity change from 0 to 32768
[ 283.842983][ T6546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.850831][ T6546] CPU: 0 UID: 0 PID: 6546 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full)
[ 283.850860][ T6546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 283.850873][ T6546] Call Trace:
[ 283.850881][ T6546]
[ 283.850890][ T6546] dump_stack_lvl+0xe8/0x150
[ 283.850926][ T6546] sysfs_create_dir_ns+0x271/0x2a0
[ 283.850954][ T6546] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 283.850980][ T6546] ? do_raw_spin_unlock+0xf5/0x210
[ 283.851010][ T6546] kobject_add_internal+0x62b/0xd00
[ 283.851046][ T6546] kobject_init_and_add+0x12b/0x1a0
[ 283.851078][ T6546] ? __pfx_kobject_init_and_add+0x10/0x10
[ 283.851105][ T6546] ? __raw_spin_lock_init+0x45/0x100
[ 283.851130][ T6546] ? __init_swait_queue_head+0xa9/0x150
[ 283.851157][ T6546] gfs2_sys_fs_add+0x257/0x480
[ 283.851185][ T6546] ? is_dynamic_key+0x1ac/0x1c0
[ 283.851212][ T6546] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 283.851248][ T6546] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 283.851281][ T6546] gfs2_fill_super+0x13a7/0x21d0
[ 283.851318][ T6546] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.851345][ T6546] ? sb_set_blocksize+0x155/0x240
[ 283.851370][ T6546] ? setup_bdev_super+0x4c1/0x5b0
[ 283.851403][ T6546] get_tree_bdev_flags+0x431/0x4f0
[ 283.851433][ T6546] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.851455][ T6546] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 283.851482][ T6546] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 283.851523][ T6546] gfs2_get_tree+0x51/0x1e0
[ 283.851550][ T6546] vfs_get_tree+0x92/0x2a0
[ 283.851581][ T6546] do_new_mount+0x341/0xd30
[ 283.851602][ T6546] ? apparmor_capable+0x126/0x170
[ 283.851630][ T6546] ? __pfx_do_new_mount+0x10/0x10
[ 283.851653][ T6546] ? ns_capable+0x89/0xe0
[ 283.851693][ T6546] ? user_path_at+0xd4/0x160
[ 283.851723][ T6546] __se_sys_mount+0x31d/0x420
[ 283.851778][ T6546] ? __pfx___se_sys_mount+0x10/0x10
[ 283.851808][ T6546] ? __x64_sys_mount+0x20/0xc0
[ 283.851834][ T6546] do_syscall_64+0x14d/0xf80
[ 283.851856][ T6546] ? trace_irq_disable+0x3b/0x150
[ 283.851878][ T6546] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.851900][ T6546] ? clear_bhb_loop+0x40/0x90
[ 283.851926][ T6546] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.851951][ T6546] RIP: 0033:0x7f53a159da0a
[ 283.851972][ T6546] 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
[ 283.851991][ T6546] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.852014][ T6546] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 283.852031][ T6546] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 283.852046][ T6546] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 283.852061][ T6546] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 283.852075][ T6546] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 283.852109][ T6546]
[ 283.852324][ T6546] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.157724][ T6546] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.519148][ T6549] loop1: detected capacity change from 0 to 32768
[ 284.529347][ T6549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.537351][ T6549] CPU: 0 UID: 0 PID: 6549 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full)
[ 284.537394][ T6549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 284.537408][ T6549] Call Trace:
[ 284.537417][ T6549]
[ 284.537426][ T6549] dump_stack_lvl+0xe8/0x150
[ 284.537463][ T6549] sysfs_create_dir_ns+0x271/0x2a0
[ 284.537513][ T6549] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 284.537539][ T6549] ? do_raw_spin_unlock+0xf5/0x210
[ 284.537567][ T6549] kobject_add_internal+0x62b/0xd00
[ 284.537599][ T6549] kobject_init_and_add+0x12b/0x1a0
[ 284.537626][ T6549] ? __pfx_kobject_init_and_add+0x10/0x10
[ 284.537649][ T6549] ? __raw_spin_lock_init+0x45/0x100
[ 284.537670][ T6549] ? __init_swait_queue_head+0xa9/0x150
[ 284.537692][ T6549] gfs2_sys_fs_add+0x257/0x480
[ 284.537715][ T6549] ? is_dynamic_key+0x1ac/0x1c0
[ 284.537739][ T6549] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 284.537769][ T6549] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 284.537798][ T6549] gfs2_fill_super+0x13a7/0x21d0
[ 284.537829][ T6549] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.537850][ T6549] ? sb_set_blocksize+0x155/0x240
[ 284.537870][ T6549] ? setup_bdev_super+0x4c1/0x5b0
[ 284.537897][ T6549] get_tree_bdev_flags+0x431/0x4f0
[ 284.537922][ T6549] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.537939][ T6549] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 284.537961][ T6549] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 284.537993][ T6549] gfs2_get_tree+0x51/0x1e0
[ 284.538013][ T6549] vfs_get_tree+0x92/0x2a0
[ 284.538038][ T6549] do_new_mount+0x341/0xd30
[ 284.538056][ T6549] ? apparmor_capable+0x126/0x170
[ 284.538077][ T6549] ? __pfx_do_new_mount+0x10/0x10
[ 284.538096][ T6549] ? ns_capable+0x89/0xe0
[ 284.538146][ T6549] ? user_path_at+0xd4/0x160
[ 284.538171][ T6549] __se_sys_mount+0x31d/0x420
[ 284.538195][ T6549] ? __pfx___se_sys_mount+0x10/0x10
[ 284.538218][ T6549] ? __x64_sys_mount+0x20/0xc0
[ 284.538239][ T6549] do_syscall_64+0x14d/0xf80
[ 284.538256][ T6549] ? trace_irq_disable+0x3b/0x150
[ 284.538274][ T6549] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.538292][ T6549] ? clear_bhb_loop+0x40/0x90
[ 284.538312][ T6549] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.538330][ T6549] RIP: 0033:0x7f53a159da0a
[ 284.538346][ T6549] 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
[ 284.538362][ T6549] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.538381][ T6549] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 284.538394][ T6549] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 284.538407][ T6549] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 284.538419][ T6549] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 284.538430][ T6549] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 284.538457][ T6549]
[ 284.829861][ T6549] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.844004][ T6549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.197623][ T5141] Bluetooth: hci1: command 0x0406 tx timeout
[ 285.263219][ T6552] loop1: detected capacity change from 0 to 32768
[ 285.275648][ T6552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.283732][ T6552] CPU: 1 UID: 0 PID: 6552 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full)
[ 285.283760][ T6552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 285.283774][ T6552] Call Trace:
[ 285.283783][ T6552]
[ 285.283792][ T6552] dump_stack_lvl+0xe8/0x150
[ 285.283829][ T6552] sysfs_create_dir_ns+0x271/0x2a0
[ 285.283865][ T6552] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 285.283893][ T6552] ? do_raw_spin_unlock+0xf5/0x210
[ 285.283923][ T6552] kobject_add_internal+0x62b/0xd00
[ 285.283959][ T6552] kobject_init_and_add+0x12b/0x1a0
[ 285.283992][ T6552] ? __pfx_kobject_init_and_add+0x10/0x10
[ 285.284022][ T6552] ? __raw_spin_lock_init+0x45/0x100
[ 285.284048][ T6552] ? __init_swait_queue_head+0xa9/0x150
[ 285.284076][ T6552] gfs2_sys_fs_add+0x257/0x480
[ 285.284103][ T6552] ? is_dynamic_key+0x1ac/0x1c0
[ 285.284131][ T6552] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 285.284167][ T6552] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 285.284205][ T6552] gfs2_fill_super+0x13a7/0x21d0
[ 285.284244][ T6552] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.284272][ T6552] ? sb_set_blocksize+0x155/0x240
[ 285.284298][ T6552] ? setup_bdev_super+0x4c1/0x5b0
[ 285.284331][ T6552] get_tree_bdev_flags+0x431/0x4f0
[ 285.284362][ T6552] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.284384][ T6552] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 285.284411][ T6552] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 285.284451][ T6552] gfs2_get_tree+0x51/0x1e0
[ 285.284477][ T6552] vfs_get_tree+0x92/0x2a0
[ 285.284508][ T6552] do_new_mount+0x341/0xd30
[ 285.284529][ T6552] ? apparmor_capable+0x126/0x170
[ 285.284573][ T6552] ? __pfx_do_new_mount+0x10/0x10
[ 285.284598][ T6552] ? ns_capable+0x89/0xe0
[ 285.284638][ T6552] ? user_path_at+0xd4/0x160
[ 285.284668][ T6552] __se_sys_mount+0x31d/0x420
[ 285.284698][ T6552] ? __pfx___se_sys_mount+0x10/0x10
[ 285.284729][ T6552] ? __x64_sys_mount+0x20/0xc0
[ 285.284754][ T6552] do_syscall_64+0x14d/0xf80
[ 285.284777][ T6552] ? trace_irq_disable+0x3b/0x150
[ 285.284799][ T6552] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.284820][ T6552] ? clear_bhb_loop+0x40/0x90
[ 285.284846][ T6552] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.284868][ T6552] RIP: 0033:0x7f53a159da0a
[ 285.284889][ T6552] 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
[ 285.284908][ T6552] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.284930][ T6552] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 285.284946][ T6552] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 285.284962][ T6552] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 285.284977][ T6552] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 285.284991][ T6552] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 285.285025][ T6552]
[ 285.285080][ T6552] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.590680][ T6552] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/03 23:56:19 executed programs: 174
[ 286.001274][ T6555] loop1: detected capacity change from 0 to 32768
[ 286.013874][ T6555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.022105][ T6555] CPU: 0 UID: 0 PID: 6555 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full)
[ 286.022132][ T6555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 286.022146][ T6555] Call Trace:
[ 286.022155][ T6555]
[ 286.022163][ T6555] dump_stack_lvl+0xe8/0x150
[ 286.022199][ T6555] sysfs_create_dir_ns+0x271/0x2a0
[ 286.022232][ T6555] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 286.022258][ T6555] ? do_raw_spin_unlock+0xf5/0x210
[ 286.022288][ T6555] kobject_add_internal+0x62b/0xd00
[ 286.022324][ T6555] kobject_init_and_add+0x12b/0x1a0
[ 286.022357][ T6555] ? __pfx_kobject_init_and_add+0x10/0x10
[ 286.022386][ T6555] ? __raw_spin_lock_init+0x45/0x100
[ 286.022411][ T6555] ? __init_swait_queue_head+0xa9/0x150
[ 286.022439][ T6555] gfs2_sys_fs_add+0x257/0x480
[ 286.022467][ T6555] ? is_dynamic_key+0x1ac/0x1c0
[ 286.022497][ T6555] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 286.022534][ T6555] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 286.022584][ T6555] gfs2_fill_super+0x13a7/0x21d0
[ 286.022622][ T6555] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.022650][ T6555] ? sb_set_blocksize+0x155/0x240
[ 286.022675][ T6555] ? setup_bdev_super+0x4c1/0x5b0
[ 286.022710][ T6555] get_tree_bdev_flags+0x431/0x4f0
[ 286.022740][ T6555] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.022763][ T6555] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 286.022796][ T6555] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 286.022838][ T6555] gfs2_get_tree+0x51/0x1e0
[ 286.022863][ T6555] vfs_get_tree+0x92/0x2a0
[ 286.022918][ T6555] do_new_mount+0x341/0xd30
[ 286.022940][ T6555] ? apparmor_capable+0x126/0x170
[ 286.022974][ T6555] ? __pfx_do_new_mount+0x10/0x10
[ 286.022998][ T6555] ? ns_capable+0x89/0xe0
[ 286.023038][ T6555] ? user_path_at+0xd4/0x160
[ 286.023068][ T6555] __se_sys_mount+0x31d/0x420
[ 286.023097][ T6555] ? __pfx___se_sys_mount+0x10/0x10
[ 286.023128][ T6555] ? __x64_sys_mount+0x20/0xc0
[ 286.023154][ T6555] do_syscall_64+0x14d/0xf80
[ 286.023176][ T6555] ? trace_irq_disable+0x3b/0x150
[ 286.023199][ T6555] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.023221][ T6555] ? clear_bhb_loop+0x40/0x90
[ 286.023248][ T6555] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.023269][ T6555] RIP: 0033:0x7f53a159da0a
[ 286.023290][ T6555] 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
[ 286.023309][ T6555] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.023332][ T6555] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 286.023348][ T6555] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 286.023364][ T6555] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 286.023378][ T6555] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 286.023392][ T6555] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 286.023426][ T6555]
[ 286.023700][ T6555] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.334998][ T6555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.692239][ T6558] loop1: detected capacity change from 0 to 32768
[ 286.704681][ T6558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.713377][ T6558] CPU: 0 UID: 0 PID: 6558 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full)
[ 286.713406][ T6558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 286.713420][ T6558] Call Trace:
[ 286.713429][ T6558]
[ 286.713438][ T6558] dump_stack_lvl+0xe8/0x150
[ 286.713475][ T6558] sysfs_create_dir_ns+0x271/0x2a0
[ 286.713505][ T6558] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 286.713551][ T6558] ? do_raw_spin_unlock+0xf5/0x210
[ 286.713582][ T6558] kobject_add_internal+0x62b/0xd00
[ 286.713619][ T6558] kobject_init_and_add+0x12b/0x1a0
[ 286.713653][ T6558] ? __pfx_kobject_init_and_add+0x10/0x10
[ 286.713682][ T6558] ? __raw_spin_lock_init+0x45/0x100
[ 286.713706][ T6558] ? __init_swait_queue_head+0xa9/0x150
[ 286.713734][ T6558] gfs2_sys_fs_add+0x257/0x480
[ 286.713766][ T6558] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 286.713810][ T6558] ? is_dynamic_key+0xd6/0x1c0
[ 286.713846][ T6558] gfs2_fill_super+0x13a7/0x21d0
[ 286.713885][ T6558] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.713923][ T6558] ? sb_set_blocksize+0x155/0x240
[ 286.713949][ T6558] ? setup_bdev_super+0x4c1/0x5b0
[ 286.713983][ T6558] get_tree_bdev_flags+0x431/0x4f0
[ 286.714014][ T6558] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.714035][ T6558] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 286.714063][ T6558] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 286.714103][ T6558] gfs2_get_tree+0x51/0x1e0
[ 286.714129][ T6558] vfs_get_tree+0x92/0x2a0
[ 286.714161][ T6558] do_new_mount+0x341/0xd30
[ 286.714183][ T6558] ? apparmor_capable+0x126/0x170
[ 286.714211][ T6558] ? __pfx_do_new_mount+0x10/0x10
[ 286.714235][ T6558] ? ns_capable+0x89/0xe0
[ 286.714276][ T6558] ? user_path_at+0xd4/0x160
[ 286.714306][ T6558] __se_sys_mount+0x31d/0x420
[ 286.714337][ T6558] ? __pfx___se_sys_mount+0x10/0x10
[ 286.714367][ T6558] ? __x64_sys_mount+0x20/0xc0
[ 286.714393][ T6558] do_syscall_64+0x14d/0xf80
[ 286.714417][ T6558] ? trace_irq_disable+0x3b/0x150
[ 286.714439][ T6558] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.714462][ T6558] ? clear_bhb_loop+0x40/0x90
[ 286.714488][ T6558] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.714510][ T6558] RIP: 0033:0x7f53a159da0a
[ 286.714530][ T6558] 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
[ 286.714549][ T6558] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.714573][ T6558] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 286.714590][ T6558] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 286.714606][ T6558] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 286.714621][ T6558] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 286.714636][ T6558] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 286.714668][ T6558]
[ 286.715280][ T6558] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.014516][ T6558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.388452][ T6561] loop1: detected capacity change from 0 to 32768
[ 287.413003][ T6561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.420670][ T6561] CPU: 0 UID: 0 PID: 6561 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full)
[ 287.420700][ T6561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 287.420714][ T6561] Call Trace:
[ 287.420723][ T6561]
[ 287.420732][ T6561] dump_stack_lvl+0xe8/0x150
[ 287.420771][ T6561] sysfs_create_dir_ns+0x271/0x2a0
[ 287.420801][ T6561] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 287.420828][ T6561] ? do_raw_spin_unlock+0xf5/0x210
[ 287.420857][ T6561] kobject_add_internal+0x62b/0xd00
[ 287.420894][ T6561] kobject_init_and_add+0x12b/0x1a0
[ 287.420939][ T6561] ? __pfx_kobject_init_and_add+0x10/0x10
[ 287.420967][ T6561] ? __raw_spin_lock_init+0x45/0x100
[ 287.420993][ T6561] ? __init_swait_queue_head+0xa9/0x150
[ 287.421022][ T6561] gfs2_sys_fs_add+0x257/0x480
[ 287.421050][ T6561] ? is_dynamic_key+0x1ac/0x1c0
[ 287.421080][ T6561] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 287.421118][ T6561] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 287.421157][ T6561] gfs2_fill_super+0x13a7/0x21d0
[ 287.421196][ T6561] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.421230][ T6561] ? sb_set_blocksize+0x155/0x240
[ 287.421256][ T6561] ? setup_bdev_super+0x4c1/0x5b0
[ 287.421289][ T6561] get_tree_bdev_flags+0x431/0x4f0
[ 287.421319][ T6561] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.421341][ T6561] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 287.421375][ T6561] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 287.421414][ T6561] gfs2_get_tree+0x51/0x1e0
[ 287.421440][ T6561] vfs_get_tree+0x92/0x2a0
[ 287.421472][ T6561] do_new_mount+0x341/0xd30
[ 287.421494][ T6561] ? apparmor_capable+0x126/0x170
[ 287.421522][ T6561] ? __pfx_do_new_mount+0x10/0x10
[ 287.421545][ T6561] ? ns_capable+0x89/0xe0
[ 287.421585][ T6561] ? user_path_at+0xd4/0x160
[ 287.421616][ T6561] __se_sys_mount+0x31d/0x420
[ 287.421651][ T6561] ? __pfx___se_sys_mount+0x10/0x10
[ 287.421681][ T6561] ? __x64_sys_mount+0x20/0xc0
[ 287.421708][ T6561] do_syscall_64+0x14d/0xf80
[ 287.421730][ T6561] ? trace_irq_disable+0x3b/0x150
[ 287.421759][ T6561] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.421786][ T6561] ? clear_bhb_loop+0x40/0x90
[ 287.421812][ T6561] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.421834][ T6561] RIP: 0033:0x7f53a159da0a
[ 287.421855][ T6561] 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
[ 287.421874][ T6561] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.421897][ T6561] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 287.421921][ T6561] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 287.421937][ T6561] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 287.421952][ T6561] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 287.421970][ T6561] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 287.422005][ T6561]
[ 287.422045][ T6561] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.728789][ T6561] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.104860][ T6564] loop1: detected capacity change from 0 to 32768
[ 288.118050][ T6564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.130821][ T6564] CPU: 0 UID: 0 PID: 6564 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full)
[ 288.130863][ T6564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 288.130878][ T6564] Call Trace:
[ 288.130887][ T6564]
[ 288.130896][ T6564] dump_stack_lvl+0xe8/0x150
[ 288.130934][ T6564] sysfs_create_dir_ns+0x271/0x2a0
[ 288.130963][ T6564] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 288.130989][ T6564] ? do_raw_spin_unlock+0xf5/0x210
[ 288.131019][ T6564] kobject_add_internal+0x62b/0xd00
[ 288.131055][ T6564] kobject_init_and_add+0x12b/0x1a0
[ 288.131088][ T6564] ? __pfx_kobject_init_and_add+0x10/0x10
[ 288.131117][ T6564] ? __raw_spin_lock_init+0x45/0x100
[ 288.131143][ T6564] ? __init_swait_queue_head+0xa9/0x150
[ 288.131171][ T6564] gfs2_sys_fs_add+0x257/0x480
[ 288.131203][ T6564] ? is_dynamic_key+0x1ac/0x1c0
[ 288.131233][ T6564] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 288.131270][ T6564] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 288.131309][ T6564] gfs2_fill_super+0x13a7/0x21d0
[ 288.131348][ T6564] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.131375][ T6564] ? sb_set_blocksize+0x155/0x240
[ 288.131401][ T6564] ? setup_bdev_super+0x4c1/0x5b0
[ 288.131434][ T6564] get_tree_bdev_flags+0x431/0x4f0
[ 288.131464][ T6564] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.131486][ T6564] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 288.131512][ T6564] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 288.131552][ T6564] gfs2_get_tree+0x51/0x1e0
[ 288.131578][ T6564] vfs_get_tree+0x92/0x2a0
[ 288.131610][ T6564] do_new_mount+0x341/0xd30
[ 288.131632][ T6564] ? apparmor_capable+0x126/0x170
[ 288.131660][ T6564] ? __pfx_do_new_mount+0x10/0x10
[ 288.131684][ T6564] ? ns_capable+0x89/0xe0
[ 288.131724][ T6564] ? user_path_at+0xd4/0x160
[ 288.131762][ T6564] __se_sys_mount+0x31d/0x420
[ 288.131792][ T6564] ? __pfx___se_sys_mount+0x10/0x10
[ 288.131831][ T6564] ? __x64_sys_mount+0x20/0xc0
[ 288.131858][ T6564] do_syscall_64+0x14d/0xf80
[ 288.131881][ T6564] ? trace_irq_disable+0x3b/0x150
[ 288.131904][ T6564] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.131925][ T6564] ? clear_bhb_loop+0x40/0x90
[ 288.131951][ T6564] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.131973][ T6564] RIP: 0033:0x7f53a159da0a
[ 288.131993][ T6564] 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
[ 288.132012][ T6564] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.132035][ T6564] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 288.132051][ T6564] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 288.132067][ T6564] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 288.132081][ T6564] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 288.132095][ T6564] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 288.132129][ T6564]
[ 288.132182][ T6564] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.447220][ T6564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.820945][ T6567] loop1: detected capacity change from 0 to 32768
[ 288.833672][ T6567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.848730][ T6567] CPU: 0 UID: 0 PID: 6567 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full)
[ 288.848760][ T6567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 288.848776][ T6567] Call Trace:
[ 288.848786][ T6567]
[ 288.848795][ T6567] dump_stack_lvl+0xe8/0x150
[ 288.848834][ T6567] sysfs_create_dir_ns+0x271/0x2a0
[ 288.848863][ T6567] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 288.848890][ T6567] ? do_raw_spin_unlock+0xf5/0x210
[ 288.848919][ T6567] kobject_add_internal+0x62b/0xd00
[ 288.848955][ T6567] kobject_init_and_add+0x12b/0x1a0
[ 288.849021][ T6567] ? __pfx_kobject_init_and_add+0x10/0x10
[ 288.849050][ T6567] ? __raw_spin_lock_init+0x45/0x100
[ 288.849077][ T6567] ? __init_swait_queue_head+0xa9/0x150
[ 288.849110][ T6567] gfs2_sys_fs_add+0x257/0x480
[ 288.849138][ T6567] ? is_dynamic_key+0x1ac/0x1c0
[ 288.849168][ T6567] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 288.849209][ T6567] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 288.849247][ T6567] gfs2_fill_super+0x13a7/0x21d0
[ 288.849286][ T6567] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.849312][ T6567] ? sb_set_blocksize+0x155/0x240
[ 288.849338][ T6567] ? setup_bdev_super+0x4c1/0x5b0
[ 288.849371][ T6567] get_tree_bdev_flags+0x431/0x4f0
[ 288.849401][ T6567] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.849429][ T6567] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 288.849457][ T6567] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 288.849497][ T6567] gfs2_get_tree+0x51/0x1e0
[ 288.849522][ T6567] vfs_get_tree+0x92/0x2a0
[ 288.849554][ T6567] do_new_mount+0x341/0xd30
[ 288.849576][ T6567] ? apparmor_capable+0x126/0x170
[ 288.849603][ T6567] ? __pfx_do_new_mount+0x10/0x10
[ 288.849636][ T6567] ? ns_capable+0x89/0xe0
[ 288.849676][ T6567] ? user_path_at+0xd4/0x160
[ 288.849706][ T6567] __se_sys_mount+0x31d/0x420
[ 288.849736][ T6567] ? __pfx___se_sys_mount+0x10/0x10
[ 288.849784][ T6567] ? __x64_sys_mount+0x20/0xc0
[ 288.849810][ T6567] do_syscall_64+0x14d/0xf80
[ 288.849833][ T6567] ? trace_irq_disable+0x3b/0x150
[ 288.849854][ T6567] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.849876][ T6567] ? clear_bhb_loop+0x40/0x90
[ 288.849902][ T6567] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.849924][ T6567] RIP: 0033:0x7f53a159da0a
[ 288.849945][ T6567] 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
[ 288.849964][ T6567] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.849987][ T6567] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 288.850004][ T6567] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 288.850019][ T6567] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 288.850034][ T6567] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 288.850048][ T6567] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 288.850083][ T6567]
[ 288.850178][ T6567] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.157922][ T6567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.537814][ T6570] loop1: detected capacity change from 0 to 32768
[ 289.550074][ T6570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.557869][ T6570] CPU: 1 UID: 0 PID: 6570 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full)
[ 289.557898][ T6570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 289.557912][ T6570] Call Trace:
[ 289.557921][ T6570]
[ 289.557929][ T6570] dump_stack_lvl+0xe8/0x150
[ 289.557966][ T6570] sysfs_create_dir_ns+0x271/0x2a0
[ 289.557993][ T6570] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 289.558018][ T6570] ? do_raw_spin_unlock+0xf5/0x210
[ 289.558056][ T6570] kobject_add_internal+0x62b/0xd00
[ 289.558091][ T6570] kobject_init_and_add+0x12b/0x1a0
[ 289.558123][ T6570] ? __pfx_kobject_init_and_add+0x10/0x10
[ 289.558150][ T6570] ? __raw_spin_lock_init+0x45/0x100
[ 289.558175][ T6570] ? __init_swait_queue_head+0xa9/0x150
[ 289.558203][ T6570] gfs2_sys_fs_add+0x257/0x480
[ 289.558231][ T6570] ? is_dynamic_key+0x1ac/0x1c0
[ 289.558259][ T6570] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 289.558295][ T6570] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 289.558332][ T6570] gfs2_fill_super+0x13a7/0x21d0
[ 289.558369][ T6570] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.558393][ T6570] ? sb_set_blocksize+0x155/0x240
[ 289.558417][ T6570] ? setup_bdev_super+0x4c1/0x5b0
[ 289.558450][ T6570] get_tree_bdev_flags+0x431/0x4f0
[ 289.558480][ T6570] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.558502][ T6570] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 289.558529][ T6570] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 289.558569][ T6570] gfs2_get_tree+0x51/0x1e0
[ 289.558595][ T6570] vfs_get_tree+0x92/0x2a0
[ 289.558626][ T6570] do_new_mount+0x341/0xd30
[ 289.558648][ T6570] ? apparmor_capable+0x126/0x170
[ 289.558676][ T6570] ? __pfx_do_new_mount+0x10/0x10
[ 289.558700][ T6570] ? ns_capable+0x89/0xe0
[ 289.558739][ T6570] ? user_path_at+0xd4/0x160
[ 289.558770][ T6570] __se_sys_mount+0x31d/0x420
[ 289.558801][ T6570] ? __pfx___se_sys_mount+0x10/0x10
[ 289.558832][ T6570] ? __x64_sys_mount+0x20/0xc0
[ 289.558858][ T6570] do_syscall_64+0x14d/0xf80
[ 289.558880][ T6570] ? trace_irq_disable+0x3b/0x150
[ 289.558902][ T6570] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.558925][ T6570] ? clear_bhb_loop+0x40/0x90
[ 289.558952][ T6570] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.558974][ T6570] RIP: 0033:0x7f53a159da0a
[ 289.558999][ T6570] 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
[ 289.559018][ T6570] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.559078][ T6570] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 289.559095][ T6570] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 289.559111][ T6570] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 289.559126][ T6570] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 289.559140][ T6570] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 289.559175][ T6570]
[ 289.559404][ T6570] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.866105][ T6570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.219282][ T6573] loop1: detected capacity change from 0 to 32768
[ 290.229952][ T6573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.237439][ T6573] CPU: 0 UID: 0 PID: 6573 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full)
[ 290.237467][ T6573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 290.237485][ T6573] Call Trace:
[ 290.237493][ T6573]
[ 290.237502][ T6573] dump_stack_lvl+0xe8/0x150
[ 290.237546][ T6573] sysfs_create_dir_ns+0x271/0x2a0
[ 290.237576][ T6573] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 290.237603][ T6573] ? do_raw_spin_unlock+0xf5/0x210
[ 290.237631][ T6573] kobject_add_internal+0x62b/0xd00
[ 290.237667][ T6573] kobject_init_and_add+0x12b/0x1a0
[ 290.237699][ T6573] ? __pfx_kobject_init_and_add+0x10/0x10
[ 290.237727][ T6573] ? __raw_spin_lock_init+0x45/0x100
[ 290.237751][ T6573] ? __init_swait_queue_head+0xa9/0x150
[ 290.237779][ T6573] gfs2_sys_fs_add+0x257/0x480
[ 290.237806][ T6573] ? is_dynamic_key+0x1ac/0x1c0
[ 290.237835][ T6573] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 290.237873][ T6573] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 290.237910][ T6573] gfs2_fill_super+0x13a7/0x21d0
[ 290.237948][ T6573] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.237975][ T6573] ? sb_set_blocksize+0x155/0x240
[ 290.238001][ T6573] ? setup_bdev_super+0x4c1/0x5b0
[ 290.238034][ T6573] get_tree_bdev_flags+0x431/0x4f0
[ 290.238064][ T6573] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.238086][ T6573] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 290.238113][ T6573] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 290.238151][ T6573] gfs2_get_tree+0x51/0x1e0
[ 290.238177][ T6573] vfs_get_tree+0x92/0x2a0
[ 290.238208][ T6573] do_new_mount+0x341/0xd30
[ 290.238229][ T6573] ? apparmor_capable+0x126/0x170
[ 290.238257][ T6573] ? __pfx_do_new_mount+0x10/0x10
[ 290.238280][ T6573] ? ns_capable+0x89/0xe0
[ 290.238319][ T6573] ? user_path_at+0xd4/0x160
[ 290.238348][ T6573] __se_sys_mount+0x31d/0x420
[ 290.238378][ T6573] ? __pfx___se_sys_mount+0x10/0x10
[ 290.238408][ T6573] ? __x64_sys_mount+0x20/0xc0
[ 290.238433][ T6573] do_syscall_64+0x14d/0xf80
[ 290.238455][ T6573] ? trace_irq_disable+0x3b/0x150
[ 290.238477][ T6573] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.238499][ T6573] ? clear_bhb_loop+0x40/0x90
[ 290.238525][ T6573] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.238557][ T6573] RIP: 0033:0x7f53a159da0a
[ 290.238578][ T6573] 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
[ 290.238597][ T6573] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.238620][ T6573] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 290.238637][ T6573] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 290.238653][ T6573] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 290.238667][ T6573] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 290.238682][ T6573] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 290.238716][ T6573]
[ 290.534823][ T6573] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.549021][ T6573] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.955269][ T6576] loop1: detected capacity change from 0 to 32768
[ 290.967398][ T6576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.977457][ T6576] CPU: 0 UID: 0 PID: 6576 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full)
[ 290.977491][ T6576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 290.977504][ T6576] Call Trace:
[ 290.977513][ T6576]
[ 290.977522][ T6576] dump_stack_lvl+0xe8/0x150
[ 290.977559][ T6576] sysfs_create_dir_ns+0x271/0x2a0
[ 290.977588][ T6576] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 290.977614][ T6576] ? do_raw_spin_unlock+0xf5/0x210
[ 290.977642][ T6576] kobject_add_internal+0x62b/0xd00
[ 290.977679][ T6576] kobject_init_and_add+0x12b/0x1a0
[ 290.977712][ T6576] ? __pfx_kobject_init_and_add+0x10/0x10
[ 290.977740][ T6576] ? __raw_spin_lock_init+0x45/0x100
[ 290.977766][ T6576] ? __init_swait_queue_head+0xa9/0x150
[ 290.977794][ T6576] gfs2_sys_fs_add+0x257/0x480
[ 290.977823][ T6576] ? is_dynamic_key+0x1ac/0x1c0
[ 290.977853][ T6576] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 290.977891][ T6576] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 290.977929][ T6576] gfs2_fill_super+0x13a7/0x21d0
[ 290.977968][ T6576] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.978005][ T6576] ? sb_set_blocksize+0x155/0x240
[ 290.978030][ T6576] ? setup_bdev_super+0x4c1/0x5b0
[ 290.978063][ T6576] get_tree_bdev_flags+0x431/0x4f0
[ 290.978093][ T6576] ? __pfx_gfs2_fill_super+0x10/0x10
[ 290.978115][ T6576] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 290.978143][ T6576] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 290.978181][ T6576] gfs2_get_tree+0x51/0x1e0
[ 290.978206][ T6576] vfs_get_tree+0x92/0x2a0
[ 290.978237][ T6576] do_new_mount+0x341/0xd30
[ 290.978259][ T6576] ? apparmor_capable+0x126/0x170
[ 290.978285][ T6576] ? __pfx_do_new_mount+0x10/0x10
[ 290.978308][ T6576] ? ns_capable+0x89/0xe0
[ 290.978346][ T6576] ? user_path_at+0xd4/0x160
[ 290.978375][ T6576] __se_sys_mount+0x31d/0x420
[ 290.978405][ T6576] ? __pfx___se_sys_mount+0x10/0x10
[ 290.978434][ T6576] ? __x64_sys_mount+0x20/0xc0
[ 290.978460][ T6576] do_syscall_64+0x14d/0xf80
[ 290.978483][ T6576] ? trace_irq_disable+0x3b/0x150
[ 290.978505][ T6576] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.978527][ T6576] ? clear_bhb_loop+0x40/0x90
[ 290.978553][ T6576] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.978575][ T6576] RIP: 0033:0x7f53a159da0a
[ 290.978596][ T6576] 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
[ 290.978614][ T6576] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.978637][ T6576] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 290.978654][ T6576] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 290.978670][ T6576] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 290.978685][ T6576] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 290.978699][ T6576] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 290.978734][ T6576]
[ 291.274970][ T6576] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.289168][ T6576] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/03 23:56:24 executed programs: 182
[ 291.666504][ T6579] loop1: detected capacity change from 0 to 32768
[ 291.678494][ T6579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.686165][ T6579] CPU: 0 UID: 0 PID: 6579 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full)
[ 291.686193][ T6579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 291.686206][ T6579] Call Trace:
[ 291.686215][ T6579]
[ 291.686224][ T6579] dump_stack_lvl+0xe8/0x150
[ 291.686264][ T6579] sysfs_create_dir_ns+0x271/0x2a0
[ 291.686301][ T6579] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 291.686328][ T6579] ? do_raw_spin_unlock+0xf5/0x210
[ 291.686356][ T6579] kobject_add_internal+0x62b/0xd00
[ 291.686394][ T6579] kobject_init_and_add+0x12b/0x1a0
[ 291.686426][ T6579] ? __pfx_kobject_init_and_add+0x10/0x10
[ 291.686453][ T6579] ? __raw_spin_lock_init+0x45/0x100
[ 291.686478][ T6579] ? __init_swait_queue_head+0xa9/0x150
[ 291.686505][ T6579] gfs2_sys_fs_add+0x257/0x480
[ 291.686532][ T6579] ? is_dynamic_key+0x1ac/0x1c0
[ 291.686560][ T6579] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 291.686596][ T6579] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 291.686633][ T6579] gfs2_fill_super+0x13a7/0x21d0
[ 291.686673][ T6579] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.686700][ T6579] ? sb_set_blocksize+0x155/0x240
[ 291.686726][ T6579] ? setup_bdev_super+0x4c1/0x5b0
[ 291.686759][ T6579] get_tree_bdev_flags+0x431/0x4f0
[ 291.686789][ T6579] ? __pfx_gfs2_fill_super+0x10/0x10
[ 291.686812][ T6579] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 291.686839][ T6579] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 291.686880][ T6579] gfs2_get_tree+0x51/0x1e0
[ 291.686905][ T6579] vfs_get_tree+0x92/0x2a0
[ 291.686937][ T6579] do_new_mount+0x341/0xd30
[ 291.686959][ T6579] ? apparmor_capable+0x126/0x170
[ 291.686987][ T6579] ? __pfx_do_new_mount+0x10/0x10
[ 291.687011][ T6579] ? ns_capable+0x89/0xe0
[ 291.687051][ T6579] ? user_path_at+0xd4/0x160
[ 291.687081][ T6579] __se_sys_mount+0x31d/0x420
[ 291.687111][ T6579] ? __pfx___se_sys_mount+0x10/0x10
[ 291.687141][ T6579] ? __x64_sys_mount+0x20/0xc0
[ 291.687167][ T6579] do_syscall_64+0x14d/0xf80
[ 291.687189][ T6579] ? trace_irq_disable+0x3b/0x150
[ 291.687211][ T6579] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.687233][ T6579] ? clear_bhb_loop+0x40/0x90
[ 291.687259][ T6579] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 291.687281][ T6579] RIP: 0033:0x7f53a159da0a
[ 291.687310][ T6579] 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
[ 291.687330][ T6579] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.687354][ T6579] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 291.687370][ T6579] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 291.687385][ T6579] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 291.687400][ T6579] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 291.687414][ T6579] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 291.687448][ T6579]
[ 291.983664][ T6579] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.997860][ T6579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.375364][ T6582] loop1: detected capacity change from 0 to 32768
[ 292.389742][ T6582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.399169][ T6582] CPU: 1 UID: 0 PID: 6582 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full)
[ 292.399199][ T6582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 292.399213][ T6582] Call Trace:
[ 292.399222][ T6582]
[ 292.399231][ T6582] dump_stack_lvl+0xe8/0x150
[ 292.399270][ T6582] sysfs_create_dir_ns+0x271/0x2a0
[ 292.399300][ T6582] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 292.399326][ T6582] ? do_raw_spin_unlock+0xf5/0x210
[ 292.399355][ T6582] kobject_add_internal+0x62b/0xd00
[ 292.399401][ T6582] kobject_init_and_add+0x12b/0x1a0
[ 292.399434][ T6582] ? __pfx_kobject_init_and_add+0x10/0x10
[ 292.399462][ T6582] ? __raw_spin_lock_init+0x45/0x100
[ 292.399487][ T6582] ? __init_swait_queue_head+0xa9/0x150
[ 292.399515][ T6582] gfs2_sys_fs_add+0x257/0x480
[ 292.399542][ T6582] ? is_dynamic_key+0x1ac/0x1c0
[ 292.399585][ T6582] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 292.399624][ T6582] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 292.399662][ T6582] gfs2_fill_super+0x13a7/0x21d0
[ 292.399706][ T6582] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.399733][ T6582] ? sb_set_blocksize+0x155/0x240
[ 292.399759][ T6582] ? setup_bdev_super+0x4c1/0x5b0
[ 292.399792][ T6582] get_tree_bdev_flags+0x431/0x4f0
[ 292.399823][ T6582] ? __pfx_gfs2_fill_super+0x10/0x10
[ 292.399846][ T6582] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 292.399873][ T6582] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 292.399913][ T6582] gfs2_get_tree+0x51/0x1e0
[ 292.399939][ T6582] vfs_get_tree+0x92/0x2a0
[ 292.399974][ T6582] do_new_mount+0x341/0xd30
[ 292.399996][ T6582] ? apparmor_capable+0x126/0x170
[ 292.400023][ T6582] ? __pfx_do_new_mount+0x10/0x10
[ 292.400055][ T6582] ? ns_capable+0x89/0xe0
[ 292.400096][ T6582] ? user_path_at+0xd4/0x160
[ 292.400126][ T6582] __se_sys_mount+0x31d/0x420
[ 292.400157][ T6582] ? __pfx___se_sys_mount+0x10/0x10
[ 292.400187][ T6582] ? __x64_sys_mount+0x20/0xc0
[ 292.400213][ T6582] do_syscall_64+0x14d/0xf80
[ 292.400236][ T6582] ? trace_irq_disable+0x3b/0x150
[ 292.400258][ T6582] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.400280][ T6582] ? clear_bhb_loop+0x40/0x90
[ 292.400306][ T6582] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 292.400328][ T6582] RIP: 0033:0x7f53a159da0a
[ 292.400348][ T6582] 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
[ 292.400367][ T6582] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.400398][ T6582] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 292.400415][ T6582] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 292.400430][ T6582] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 292.400445][ T6582] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 292.400459][ T6582] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 292.400491][ T6582]
[ 292.401068][ T6582] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.708421][ T6582] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.066094][ T6585] loop1: detected capacity change from 0 to 32768
[ 293.098459][ T6585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.106398][ T6585] CPU: 1 UID: 0 PID: 6585 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full)
[ 293.106429][ T6585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 293.106443][ T6585] Call Trace:
[ 293.106453][ T6585]
[ 293.106462][ T6585] dump_stack_lvl+0xe8/0x150
[ 293.106499][ T6585] sysfs_create_dir_ns+0x271/0x2a0
[ 293.106528][ T6585] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 293.106555][ T6585] ? do_raw_spin_unlock+0xf5/0x210
[ 293.106585][ T6585] kobject_add_internal+0x62b/0xd00
[ 293.106631][ T6585] kobject_init_and_add+0x12b/0x1a0
[ 293.106665][ T6585] ? __pfx_kobject_init_and_add+0x10/0x10
[ 293.106694][ T6585] ? __raw_spin_lock_init+0x45/0x100
[ 293.106720][ T6585] ? __init_swait_queue_head+0xa9/0x150
[ 293.106749][ T6585] gfs2_sys_fs_add+0x257/0x480
[ 293.106777][ T6585] ? is_dynamic_key+0x1ac/0x1c0
[ 293.106806][ T6585] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 293.106844][ T6585] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 293.106882][ T6585] gfs2_fill_super+0x13a7/0x21d0
[ 293.106921][ T6585] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.106948][ T6585] ? sb_set_blocksize+0x155/0x240
[ 293.106972][ T6585] ? setup_bdev_super+0x4c1/0x5b0
[ 293.107005][ T6585] get_tree_bdev_flags+0x431/0x4f0
[ 293.107036][ T6585] ? __pfx_gfs2_fill_super+0x10/0x10
[ 293.107058][ T6585] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 293.107086][ T6585] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 293.107125][ T6585] gfs2_get_tree+0x51/0x1e0
[ 293.107152][ T6585] vfs_get_tree+0x92/0x2a0
[ 293.107188][ T6585] do_new_mount+0x341/0xd30
[ 293.107211][ T6585] ? apparmor_capable+0x126/0x170
[ 293.107238][ T6585] ? __pfx_do_new_mount+0x10/0x10
[ 293.107262][ T6585] ? ns_capable+0x89/0xe0
[ 293.107301][ T6585] ? user_path_at+0xd4/0x160
[ 293.107332][ T6585] __se_sys_mount+0x31d/0x420
[ 293.107363][ T6585] ? __pfx___se_sys_mount+0x10/0x10
[ 293.107394][ T6585] ? __x64_sys_mount+0x20/0xc0
[ 293.107419][ T6585] do_syscall_64+0x14d/0xf80
[ 293.107442][ T6585] ? trace_irq_disable+0x3b/0x150
[ 293.107464][ T6585] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.107485][ T6585] ? clear_bhb_loop+0x40/0x90
[ 293.107511][ T6585] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 293.107531][ T6585] RIP: 0033:0x7f53a159da0a
[ 293.107551][ T6585] 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
[ 293.107569][ T6585] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.107592][ T6585] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 293.107608][ T6585] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 293.107634][ T6585] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 293.107648][ T6585] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 293.107663][ T6585] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 293.107696][ T6585]
[ 293.470776][ T6585] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.486419][ T6585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.994885][ T6588] loop1: detected capacity change from 0 to 32768
[ 294.001747][ T31] INFO: task kworker/1:4:5999 blocked for more than 143 seconds.
[ 294.009658][ T31] Not tainted syzkaller #0
[ 294.014708][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 294.024269][ T31] task:kworker/1:4 state:D stack:25400 pid:5999 tgid:5999 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 294.037069][ T31] Workqueue: gfs2_recovery gfs2_recover_func
[ 294.043734][ T31] Call Trace:
[ 294.047224][ T31]
[ 294.050863][ T31] __schedule+0x1665/0x5590
[ 294.055564][ T31] ? __lock_acquire+0x146e/0x2cf0
[ 294.056348][ T6588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.062425][ T31] ? __pfx___schedule+0x10/0x10
[ 294.073962][ T31] ? schedule+0x90/0x360
[ 294.078728][ T31] schedule+0x164/0x360
[ 294.082978][ T31] io_schedule+0x7f/0xd0
[ 294.087949][ T31] folio_wait_bit_common+0x6d8/0xbc0
[ 294.093513][ T31] ? __pfx_folio_wait_bit_common+0x10/0x10
[ 294.100196][ T31] ? __submit_bio+0x28d/0x580
[ 294.104971][ T31] ? __pfx_wake_page_function+0x10/0x10
[ 294.111191][ T31] ? __get_log_header+0x2a3/0x630
[ 294.116325][ T31] ? __filemap_get_folio_mpol+0x740/0xb00
[ 294.122688][ T31] gfs2_jhead_process_page+0x175/0x670
[ 294.125675][ T6588] CPU: 1 UID: 0 PID: 6588 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full)
[ 294.125762][ T6588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 294.125804][ T6588] Call Trace:
[ 294.125827][ T6588]
[ 294.125856][ T6588] dump_stack_lvl+0xe8/0x150
[ 294.125950][ T6588] sysfs_create_dir_ns+0x271/0x2a0
[ 294.126026][ T6588] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 294.126098][ T6588] ? do_raw_spin_unlock+0xf5/0x210
[ 294.126179][ T6588] kobject_add_internal+0x62b/0xd00
[ 294.126272][ T6588] kobject_init_and_add+0x12b/0x1a0
[ 294.126355][ T6588] ? __pfx_kobject_init_and_add+0x10/0x10
[ 294.126429][ T6588] ? __raw_spin_lock_init+0x45/0x100
[ 294.126491][ T6588] ? __init_swait_queue_head+0xa9/0x150
[ 294.126562][ T6588] gfs2_sys_fs_add+0x257/0x480
[ 294.126635][ T6588] ? is_dynamic_key+0x1ac/0x1c0
[ 294.126719][ T6588] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 294.126813][ T6588] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 294.126914][ T6588] gfs2_fill_super+0x13a7/0x21d0
[ 294.127023][ T6588] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.127114][ T6588] ? sb_set_blocksize+0x155/0x240
[ 294.127173][ T6588] ? setup_bdev_super+0x4c1/0x5b0
[ 294.127258][ T6588] get_tree_bdev_flags+0x431/0x4f0
[ 294.127335][ T6588] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.127396][ T6588] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 294.127461][ T6588] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 294.127565][ T6588] gfs2_get_tree+0x51/0x1e0
[ 294.127629][ T6588] vfs_get_tree+0x92/0x2a0
[ 294.127710][ T6588] do_new_mount+0x341/0xd30
[ 294.127773][ T6588] ? apparmor_capable+0x126/0x170
[ 294.127846][ T6588] ? __pfx_do_new_mount+0x10/0x10
[ 294.127902][ T6588] ? ns_capable+0x89/0xe0
[ 294.128007][ T6588] ? user_path_at+0xd4/0x160
[ 294.128245][ T6588] __se_sys_mount+0x31d/0x420
[ 294.128418][ T6588] ? __pfx___se_sys_mount+0x10/0x10
[ 294.128509][ T6588] ? __x64_sys_mount+0x20/0xc0
[ 294.128570][ T6588] do_syscall_64+0x14d/0xf80
[ 294.128593][ T6588] ? trace_irq_disable+0x3b/0x150
[ 294.128613][ T6588] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.128634][ T6588] ? clear_bhb_loop+0x40/0x90
[ 294.128660][ T6588] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.128689][ T6588] RIP: 0033:0x7f53a159da0a
[ 294.128711][ T6588] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 294.128729][ T6588] RSP: 002b:00007fff514395c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.128787][ T6588] RAX: ffffffffffffffda RBX: 00007fff51439650 RCX: 00007f53a159da0a
[ 294.128845][ T6588] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff51439610
[ 294.128904][ T6588] RBP: 000020000001f680 R08: 00007fff51439650 R09: 0000000000000090
[ 294.128953][ T6588] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 294.128994][ T6588] R13: 00007fff51439610 R14: 000000000001f707 R15: 0000200000000040
[ 294.129088][ T6588]
[ 294.138383][ T6588] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.215174][ T31] ? __pfx_gfs2_jhead_process_page+0x10/0x10
[ 294.220226][ T6588] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.233626][ T31] gfs2_find_jhead+0xbd2/0xd30
[ 294.453948][ T31] gfs2_recover_func+0x6cf/0x1f60
[ 294.459632][ T31] ? ret_from_fork_asm+0x1a/0x30
[ 294.464743][ T31] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 294.471420][ T31] ? arch_stack_walk+0x11b/0x150
[ 294.476544][ T31] ? ret_from_fork_asm+0x1a/0x30
[ 294.482873][ T31] ? __pfx_gfs2_recover_func+0x10/0x10
[ 294.488774][ T31] ? stack_trace_save+0xa9/0x100
[ 294.493797][ T31] ? __pfx_stack_trace_save+0x10/0x10
[ 294.499729][ T31] ? check_path+0x21/0x40
[ 294.504144][ T31] ? add_lock_to_list+0xc7/0x100
[ 294.510113][ T31] ? lockdep_unlock+0x5d/0xd0
[ 294.514882][ T31] ? __lock_acquire+0x146e/0x2cf0
[ 294.520557][ T31] ? process_one_work+0x870/0x1720
[ 294.525751][ T31] process_one_work+0x963/0x1720
[ 294.531405][ T31] ? __pfx_process_one_work+0x10/0x10
[ 294.536965][ T31] ? do_raw_spin_lock+0x12b/0x2f0
[ 294.545042][ T31] worker_thread+0xb46/0x1140
[ 294.550128][ T31] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 294.556121][ T31] kthread+0x388/0x470
[ 294.561320][ T31] ? __pfx_worker_thread+0x10/0x10
[ 294.566782][ T31] ? __pfx_kthread+0x10/0x10
[ 294.571908][ T31] ret_from_fork+0x51e/0xb90
[ 294.576689][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 294.602921][ T31] ? __switch_to+0xc7d/0x1450
[ 294.610316][ T31] ? __pfx_kthread+0x10/0x10
[ 294.617616][ T31] ret_from_fork_asm+0x1a/0x30
[ 294.622496][ T31]
[ 294.627176][ T31] INFO: task syz.0.17:6000 blocked for more than 143 seconds.
[ 294.663961][ T31] Not tainted syzkaller #0
[ 294.669068][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 294.687528][ T31] task:syz.0.17 state:D stack:24816 pid:6000 tgid:6000 ppid:5939 task_flags:0x400140 flags:0x00080002
[ 294.717551][ T31] Call Trace:
[ 294.720934][ T31]
[ 294.723907][ T31] __schedule+0x1665/0x5590
[ 294.737583][ T31] ? __pfx___schedule+0x10/0x10
[ 294.744206][ T31] ? schedule+0x90/0x360
[ 294.756316][ T31] schedule+0x164/0x360
[ 294.760901][ T31] bit_wait+0x11/0xd0
[ 294.765065][ T31] __wait_on_bit+0xb9/0x310
[ 294.770167][ T31] ? __pfx_bit_wait+0x10/0x10
[ 294.774937][ T31] out_of_line_wait_on_bit+0x13b/0x190
[ 294.780888][ T31] ? __pfx_bit_wait+0x10/0x10
[ 294.785833][ T31] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 294.792277][ T31] ? __pfx_wake_bit_function+0x10/0x10
[ 294.798729][ T31] gfs2_recover_journal+0xda/0x140
[ 294.803942][ T31] init_journal+0x16ad/0x22b0
[ 294.809099][ T31] ? init_inodes+0xdb/0x320
[ 294.814733][ T31] ? __pfx_init_journal+0x10/0x10
[ 294.820276][ T31] ? snprintf+0xe8/0x140
[ 294.824651][ T31] ? init_inodes+0xdb/0x320
[ 294.829734][ T31] ? __pfx_snprintf+0x10/0x10
[ 294.834496][ T31] ? gfs2_glock_nq_num+0x13d/0x170
[ 294.840136][ T31] init_inodes+0xdb/0x320
[ 294.844556][ T31] gfs2_fill_super+0x1a38/0x21d0
[ 294.850137][ T31] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.855519][ T31] ? init_locking+0xb8/0x210
[ 294.862883][ T31] ? sb_set_blocksize+0x155/0x240
[ 294.868607][ T31] ? setup_bdev_super+0x4c1/0x5b0
[ 294.873783][ T31] get_tree_bdev_flags+0x431/0x4f0
[ 294.879161][ T31] ? __pfx_gfs2_fill_super+0x10/0x10
[ 294.884781][ T31] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 294.890660][ T31] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 294.896463][ T31] gfs2_get_tree+0x51/0x1e0
[ 294.901176][ T31] vfs_get_tree+0x92/0x2a0
[ 294.905676][ T31] do_new_mount+0x341/0xd30
[ 294.910365][ T31] ? apparmor_capable+0x126/0x170
[ 294.916360][ T31] ? __pfx_do_new_mount+0x10/0x10
[ 294.921665][ T31] ? ns_capable+0x89/0xe0
[ 294.926105][ T31] ? user_path_at+0xd4/0x160
[ 294.930835][ T31] __se_sys_mount+0x31d/0x420
[ 294.935688][ T31] ? __pfx___se_sys_mount+0x10/0x10
[ 294.941240][ T31] ? __x64_sys_mount+0x20/0xc0
[ 294.946175][ T31] do_syscall_64+0x14d/0xf80
[ 294.951025][ T31] ? trace_irq_disable+0x3b/0x150
[ 294.957140][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.963450][ T31] ? clear_bhb_loop+0x40/0x90
[ 294.968336][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 294.974348][ T31] RIP: 0033:0x7f4e9379da0a
[ 294.979019][ T31] RSP: 002b:00007fffe7863118 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.987555][ T31] RAX: ffffffffffffffda RBX: 00007fffe78631a0 RCX: 00007f4e9379da0a
[ 294.995700][ T31] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fffe7863160
[ 295.004030][ T31] RBP: 000020000001f680 R08: 00007fffe78631a0 R09: 0000000000000090
[ 295.012279][ T31] R10: 0000000000000090 R11: 0000000000000246 R12: 000020000001f6c0
[ 295.021409][ T31] R13: 00007fffe7863160 R14: 000000000001f707 R15: 0000200000000040
[ 295.029665][ T31]
[ 295.032965][ T31]
[ 295.032965][ T31] Showing all locks held in the system:
[ 295.043370][ T31] 1 lock held by khungtaskd/31:
[ 295.048587][ T31] #0: ffffffff8e760560 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 295.060371][ T31] 2 locks held by getty/5582:
[ 295.065158][ T31] #0: ffff88803347a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 295.075231][ T31] #1: ffffc9000331e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
[ 295.086130][ T31] 2 locks held by kworker/1:4/5999:
[ 295.091625][ T31] #0: ffff88801e36f548 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x849/0x1720
[ 295.102917][ T31] #1: ffffc90003527c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1720
[ 295.115531][ T31] 1 lock held by syz.0.17/6000:
[ 295.121104][ T31] #0: ffff8880368ac0e0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xab0
[ 295.131682][ T31] 2 locks held by syz.1.201/6591:
[ 295.136852][ T31]
[ 295.139586][ T31] =============================================
[ 295.139586][ T31]
[ 295.148309][ T31] NMI backtrace for cpu 0
[ 295.148332][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 295.148356][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 295.148370][ T31] Call Trace:
[ 295.148379][ T31]
[ 295.148389][ T31] dump_stack_lvl+0xe8/0x150
[ 295.148437][ T31] nmi_cpu_backtrace+0x274/0x2d0
[ 295.148467][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 295.148499][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 295.148531][ T31] sys_info+0x135/0x170
[ 295.148557][ T31] watchdog+0xfd9/0x1030
[ 295.148586][ T31] ? watchdog+0x21a/0x1030
[ 295.148616][ T31] kthread+0x388/0x470
[ 295.148640][ T31] ? __pfx_watchdog+0x10/0x10
[ 295.148661][ T31] ? __pfx_kthread+0x10/0x10
[ 295.148684][ T31] ret_from_fork+0x51e/0xb90
[ 295.148717][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 295.148746][ T31] ? __switch_to+0xc7d/0x1450
[ 295.148775][ T31] ? __pfx_kthread+0x10/0x10
[ 295.148798][ T31] ret_from_fork_asm+0x1a/0x30
[ 295.148835][ T31]
[ 295.148844][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 295.260110][ C1] NMI backtrace for cpu 1
[ 295.260130][ C1] CPU: 1 UID: 0 PID: 6591 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full)
[ 295.260151][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 295.260163][ C1] RIP: 0010:zone_watermark_fast+0x1b5/0x230
[ 295.260195][ C1] Code: b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 1e 6b 0e 00 31 c0 40 f6 c5 03 75 07 49 83 3c 24 00 75 1c 48 83 c4 10 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 45 31 ed e9 d7 fe
[ 295.260212][ C1] RSP: 0018:ffffc9000533f4f0 EFLAGS: 00000286
[ 295.260228][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 295.260240][ C1] RDX: ffff88813fffc280 RSI: 0000000000000003 RDI: ffff88813fffc280
[ 295.260253][ C1] RBP: 0000000000000981 R08: 0000000000000981 R09: 0000000000000000
[ 295.260264][ C1] R10: dffffc0000000000 R11: ffffed1027fff929 R12: 0000000000000000
[ 295.260277][ C1] R13: 0000000000000003 R14: ffff88813fffc280 R15: 0000000000000000
[ 295.260289][ C1] FS: 000055556e255500(0000) GS:ffff888125548000(0000) knlGS:0000000000000000
[ 295.260305][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 295.260318][ C1] CR2: 00007f53995ff000 CR3: 0000000075c9e000 CR4: 00000000003526f0
[ 295.260335][ C1] Call Trace:
[ 295.260343][ C1]
[ 295.260352][ C1] get_page_from_freelist+0x5bf/0x2440
[ 295.260403][ C1] __alloc_frozen_pages_noprof+0x18d/0x380
[ 295.260432][ C1] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 295.260461][ C1] ? __pfx_policy_nodemask+0x10/0x10
[ 295.260491][ C1] alloc_pages_mpol+0x232/0x4a0
[ 295.260520][ C1] folio_alloc_mpol_noprof+0x39/0x70
[ 295.260547][ C1] shmem_alloc_and_add_folio+0x442/0xf80
[ 295.260572][ C1] ? filemap_get_entry+0xca/0x320
[ 295.260594][ C1] ? filemap_get_entry+0xca/0x320
[ 295.260615][ C1] ? filemap_get_entry+0x2ac/0x320
[ 295.260636][ C1] ? __pfx_filemap_get_entry+0x10/0x10
[ 295.260656][ C1] ? should_fail_ex+0x9/0x560
[ 295.260683][ C1] ? __pfx_shmem_alloc_and_add_folio+0x10/0x10
[ 295.260706][ C1] ? shmem_allowable_huge_orders+0x309/0x690
[ 295.260730][ C1] shmem_get_folio_gfp+0x5a9/0x1670
[ 295.260758][ C1] shmem_write_begin+0x16c/0x330
[ 295.260782][ C1] generic_perform_write+0x2e2/0x8f0
[ 295.260814][ C1] ? __pfx_generic_perform_write+0x10/0x10
[ 295.260841][ C1] ? preempt_count_add+0x91/0x190
[ 295.260867][ C1] ? mnt_put_write_access_file+0xb9/0x100
[ 295.260900][ C1] ? file_update_time_flags+0x400/0x4a0
[ 295.260927][ C1] shmem_file_write_iter+0xf8/0x120
[ 295.260949][ C1] vfs_write+0x61d/0xb90
[ 295.260977][ C1] ? __pfx_vfs_write+0x10/0x10
[ 295.261001][ C1] ? __pfx_wake_up_bit+0x10/0x10
[ 295.261029][ C1] ksys_write+0x150/0x270
[ 295.261053][ C1] ? __pfx_ksys_write+0x10/0x10
[ 295.261083][ C1] do_syscall_64+0x14d/0xf80
[ 295.261101][ C1] ? trace_irq_disable+0x3b/0x150
[ 295.261119][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.261138][ C1] ? clear_bhb_loop+0x40/0x90
[ 295.261159][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 295.261176][ C1] RIP: 0033:0x7f53a155cfce
[ 295.261192][ C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[ 295.261206][ C1] RSP: 002b:00007fff51439518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 295.261223][ C1] RAX: ffffffffffffffda RBX: 000055556e255500 RCX: 00007f53a155cfce
[ 295.261237][ C1] RDX: 0000000001000000 RSI: 00007f5398600000 RDI: 0000000000000003
[ 295.261248][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 295.261259][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[ 295.261270][ C1] R13: 00007fff51439650 R14: 00007fff51439610 R15: 00007f5398600000
[ 295.261292][ C1]
[ 295.638368][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 295.645280][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 295.654506][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 295.664765][ T31] Call Trace:
[ 295.668071][ T31]
[ 295.671111][ T31] vpanic+0x56c/0xa60
[ 295.675223][ T31] ? __pfx___schedule+0x10/0x10
[ 295.680100][ T31] ? __pfx_vpanic+0x10/0x10
[ 295.684634][ T31] ? __pfx_console_unlock+0x10/0x10
[ 295.689870][ T31] panic+0xc5/0xd0
[ 295.693634][ T31] ? __pfx_panic+0x10/0x10
[ 295.698177][ T31] ? preempt_schedule_thunk+0x16/0x30
[ 295.703590][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 295.709785][ T31] watchdog+0x1023/0x1030
[ 295.714260][ T31] ? watchdog+0x21a/0x1030
[ 295.718712][ T31] kthread+0x388/0x470
[ 295.722808][ T31] ? __pfx_watchdog+0x10/0x10
[ 295.727516][ T31] ? __pfx_kthread+0x10/0x10
[ 295.732225][ T31] ret_from_fork+0x51e/0xb90
[ 295.736967][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 295.742125][ T31] ? __switch_to+0xc7d/0x1450
[ 295.746872][ T31] ? __pfx_kthread+0x10/0x10
[ 295.751577][ T31] ret_from_fork_asm+0x1a/0x30
[ 295.756379][ T31]
[ 295.760051][ T31] Kernel Offset: disabled
[ 295.764482][ T31] Rebooting in 86400 seconds..