[  405.324253][ T8238]  do_new_mount+0x2a2/0xa30
[  405.324290][ T8238]  ? ns_capable+0x8a/0xf0
[  405.324311][ T8238]  ? __pfx_do_new_mount+0x10/0x10
[  405.324340][ T8238]  ? path_mount+0x61c/0xfe0
[  405.324368][ T8238]  ? user_path_at+0x44/0x60
[  405.324395][ T8238]  __se_sys_mount+0x317/0x410
[  405.324429][ T8238]  ? __pfx___se_sys_mount+0x10/0x10
[  405.324463][ T8238]  ? rcu_is_watching+0x15/0xb0
[  405.324482][ T8238]  ? __x64_sys_mount+0x20/0xc0
[  405.324515][ T8238]  do_syscall_64+0xfa/0x3b0
[  405.324537][ T8238]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  405.324558][ T8238]  ? clear_bhb_loop+0x60/0xb0
[  405.324581][ T8238]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  405.324602][ T8238] RIP: 0033:0x7f79b0d9038a
[  405.324620][ T8238] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  405.324638][ T8238] RSP: 002b:00007f79b1b55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  405.324661][ T8238] RAX: ffffffffffffffda RBX: 00007f79b1b55ef0 RCX: 00007f79b0d9038a
[  405.324677][ T8238] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f79b1b55eb0
[  405.324692][ T8238] RBP: 000020000001f680 R08: 00007f79b1b55ef0 R09: 0000000000000084
[  405.324706][ T8238] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  405.324719][ T8238] R13: 00007f79b1b55eb0 R14: 000000000001f790 R15: 00002000000001c0
[  405.324740][ T8238]  </TASK>
[  405.324761][ T8238] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  405.672344][ T8238] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  405.853298][ T8240] loop4: detected capacity change from 0 to 32768
[  405.874623][ T8240] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  405.902306][ T8240] CPU: 0 UID: 0 PID: 8240 Comm: syz.4.504 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  405.902337][ T8240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  405.902350][ T8240] Call Trace:
[  405.902359][ T8240]  <TASK>
[  405.902368][ T8240]  dump_stack_lvl+0x189/0x250
[  405.902400][ T8240]  ? __pfx_dump_stack_lvl+0x10/0x10
[  405.902424][ T8240]  ? __pfx__printk+0x10/0x10
[  405.902451][ T8240]  ? kernfs_root+0x1c/0x230
[  405.902477][ T8240]  ? kernfs_path_from_node+0x250/0x290
[  405.902499][ T8240]  ? kernfs_path_from_node+0x2f/0x290
[  405.902524][ T8240]  sysfs_create_dir_ns+0x259/0x280
[  405.902548][ T8240]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  405.902570][ T8240]  ? do_raw_spin_unlock+0x122/0x240
[  405.902597][ T8240]  kobject_add_internal+0x59f/0xb40
[  405.902624][ T8240]  kobject_init_and_add+0x125/0x190
[  405.902649][ T8240]  ? __pfx_kobject_init_and_add+0x10/0x10
[  405.902670][ T8240]  ? __raw_spin_lock_init+0x45/0x100
[  405.902696][ T8240]  ? __init_swait_queue_head+0xa9/0x150
[  405.902723][ T8240]  gfs2_sys_fs_add+0x234/0x450
[  405.902745][ T8240]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  405.902777][ T8240]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  405.902811][ T8240]  gfs2_fill_super+0x13c0/0x20d0
[  405.902847][ T8240]  ? __pfx_gfs2_fill_super+0x10/0x10
[  405.902875][ T8240]  ? sb_set_blocksize+0x104/0x180
[  405.902906][ T8240]  ? setup_bdev_super+0x4c1/0x5b0
[  405.902936][ T8240]  get_tree_bdev_flags+0x40b/0x4d0
[  405.902964][ T8240]  ? __pfx_gfs2_fill_super+0x10/0x10
[  405.902991][ T8240]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  405.903025][ T8240]  gfs2_get_tree+0x51/0x1e0
[  405.903053][ T8240]  vfs_get_tree+0x8f/0x2b0
[  405.903082][ T8240]  do_new_mount+0x2a2/0xa30
[  405.903115][ T8240]  ? ns_capable+0x8a/0xf0
[  405.903134][ T8240]  ? __pfx_do_new_mount+0x10/0x10
[  405.903164][ T8240]  ? path_mount+0x61c/0xfe0
[  405.903192][ T8240]  ? user_path_at+0x44/0x60
[  405.903220][ T8240]  __se_sys_mount+0x317/0x410
[  405.903254][ T8240]  ? __pfx___se_sys_mount+0x10/0x10
[  405.903288][ T8240]  ? rcu_is_watching+0x15/0xb0
[  405.903308][ T8240]  ? __x64_sys_mount+0x20/0xc0
[  405.903340][ T8240]  do_syscall_64+0xfa/0x3b0
[  405.903362][ T8240]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  405.903383][ T8240]  ? clear_bhb_loop+0x60/0xb0
[  405.903406][ T8240]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  405.903426][ T8240] RIP: 0033:0x7fd5f7f9038a
[  405.903445][ T8240] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  405.903464][ T8240] RSP: 002b:00007fd5f8e4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  405.903487][ T8240] RAX: ffffffffffffffda RBX: 00007fd5f8e4fef0 RCX: 00007fd5f7f9038a
[  405.903501][ T8240] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd5f8e4feb0
[  405.903516][ T8240] RBP: 000020000001f680 R08: 00007fd5f8e4fef0 R09: 0000000000000084
[  405.903531][ T8240] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  405.903546][ T8240] R13: 00007fd5f8e4feb0 R14: 000000000001f790 R15: 00002000000001c0
[  405.903569][ T8240]  </TASK>
[  405.903590][ T8240] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  406.185244][ T8242] loop3: detected capacity change from 0 to 32768
[  406.263149][ T8244] loop0: detected capacity change from 0 to 32768
[  406.286175][ T8240] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  406.291102][ T8244] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  406.299098][ T8246] loop1: detected capacity change from 0 to 32768
[  406.309365][ T8244] CPU: 1 UID: 0 PID: 8244 Comm: syz.0.506 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  406.309398][ T8244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  406.309412][ T8244] Call Trace:
[  406.309420][ T8244]  <TASK>
[  406.309429][ T8244]  dump_stack_lvl+0x189/0x250
[  406.309462][ T8244]  ? __pfx_dump_stack_lvl+0x10/0x10
[  406.309488][ T8244]  ? __pfx__printk+0x10/0x10
[  406.309526][ T8244]  ? kernfs_root+0x1c/0x230
[  406.309551][ T8244]  ? kernfs_path_from_node+0x250/0x290
[  406.309574][ T8244]  ? kernfs_path_from_node+0x2f/0x290
[  406.309599][ T8244]  sysfs_create_dir_ns+0x259/0x280
[  406.309622][ T8244]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  406.309645][ T8244]  ? do_raw_spin_unlock+0x122/0x240
[  406.309673][ T8244]  kobject_add_internal+0x59f/0xb40
[  406.309702][ T8244]  kobject_init_and_add+0x125/0x190
[  406.309727][ T8244]  ? __pfx_kobject_init_and_add+0x10/0x10
[  406.309751][ T8244]  ? __raw_spin_lock_init+0x45/0x100
[  406.309777][ T8244]  ? __init_swait_queue_head+0xa9/0x150
[  406.309804][ T8244]  gfs2_sys_fs_add+0x234/0x450
[  406.309826][ T8244]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  406.309851][ T8244]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  406.309885][ T8244]  gfs2_fill_super+0x13c0/0x20d0
[  406.309920][ T8244]  ? __pfx_gfs2_fill_super+0x10/0x10
[  406.309967][ T8244]  ? sb_set_blocksize+0x104/0x180
[  406.309999][ T8244]  ? setup_bdev_super+0x4c1/0x5b0
[  406.310028][ T8244]  get_tree_bdev_flags+0x40b/0x4d0
[  406.310057][ T8244]  ? __pfx_gfs2_fill_super+0x10/0x10
[  406.310083][ T8244]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  406.310117][ T8244]  gfs2_get_tree+0x51/0x1e0
[  406.310144][ T8244]  vfs_get_tree+0x8f/0x2b0
[  406.310173][ T8244]  do_new_mount+0x2a2/0xa30
[  406.310206][ T8244]  ? ns_capable+0x8a/0xf0
[  406.310225][ T8244]  ? __pfx_do_new_mount+0x10/0x10
[  406.310259][ T8244]  ? path_mount+0x61c/0xfe0
[  406.310288][ T8244]  ? user_path_at+0x44/0x60
[  406.310316][ T8244]  __se_sys_mount+0x317/0x410
[  406.310350][ T8244]  ? __pfx___se_sys_mount+0x10/0x10
[  406.310382][ T8244]  ? rcu_is_watching+0x15/0xb0
[  406.310401][ T8244]  ? __x64_sys_mount+0x20/0xc0
[  406.310432][ T8244]  do_syscall_64+0xfa/0x3b0
[  406.310454][ T8244]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  406.310475][ T8244]  ? clear_bhb_loop+0x60/0xb0
[  406.310497][ T8244]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  406.310523][ T8244] RIP: 0033:0x7f552e99038a
[  406.310541][ T8244] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  406.310558][ T8244] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  406.310581][ T8244] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  406.310597][ T8244] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  406.310612][ T8244] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  406.310625][ T8244] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  406.310639][ T8244] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  406.310661][ T8244]  </TASK>
[  406.612758][ T8244] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  406.626809][ T8244] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  406.634393][ T6001] Bluetooth: hci5: command 0x0406 tx timeout
[  406.783919][ T8246] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  406.793809][ T8242] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  406.854943][ T8242] CPU: 0 UID: 0 PID: 8242 Comm: syz.3.505 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  406.854976][ T8242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  406.854990][ T8242] Call Trace:
[  406.854999][ T8242]  <TASK>
[  406.855009][ T8242]  dump_stack_lvl+0x189/0x250
[  406.855041][ T8242]  ? __pfx_dump_stack_lvl+0x10/0x10
[  406.855066][ T8242]  ? __pfx__printk+0x10/0x10
[  406.855094][ T8242]  ? kernfs_root+0x1c/0x230
[  406.855119][ T8242]  ? kernfs_path_from_node+0x250/0x290
[  406.855142][ T8242]  ? kernfs_path_from_node+0x2f/0x290
[  406.855167][ T8242]  sysfs_create_dir_ns+0x259/0x280
[  406.855191][ T8242]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  406.855214][ T8242]  ? do_raw_spin_unlock+0x122/0x240
[  406.855244][ T8242]  kobject_add_internal+0x59f/0xb40
[  406.855273][ T8242]  kobject_init_and_add+0x125/0x190
[  406.855298][ T8242]  ? __pfx_kobject_init_and_add+0x10/0x10
[  406.855322][ T8242]  ? __raw_spin_lock_init+0x45/0x100
[  406.855349][ T8242]  ? __init_swait_queue_head+0xa9/0x150
[  406.855375][ T8242]  gfs2_sys_fs_add+0x234/0x450
[  406.855397][ T8242]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  406.855421][ T8242]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  406.855463][ T8242]  gfs2_fill_super+0x13c0/0x20d0
[  406.855498][ T8242]  ? __pfx_gfs2_fill_super+0x10/0x10
[  406.855527][ T8242]  ? sb_set_blocksize+0x104/0x180
[  406.855558][ T8242]  ? setup_bdev_super+0x4c1/0x5b0
[  406.855588][ T8242]  get_tree_bdev_flags+0x40b/0x4d0
[  406.855617][ T8242]  ? __pfx_gfs2_fill_super+0x10/0x10
[  406.855644][ T8242]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  406.855678][ T8242]  gfs2_get_tree+0x51/0x1e0
[  406.855706][ T8242]  vfs_get_tree+0x8f/0x2b0
[  406.855736][ T8242]  do_new_mount+0x2a2/0xa30
[  406.855768][ T8242]  ? ns_capable+0x8a/0xf0
[  406.855788][ T8242]  ? __pfx_do_new_mount+0x10/0x10
[  406.855817][ T8242]  ? path_mount+0x61c/0xfe0
[  406.855846][ T8242]  ? user_path_at+0x44/0x60
[  406.855874][ T8242]  __se_sys_mount+0x317/0x410
[  406.855908][ T8242]  ? __pfx___se_sys_mount+0x10/0x10
[  406.855942][ T8242]  ? rcu_is_watching+0x15/0xb0
[  406.855962][ T8242]  ? __x64_sys_mount+0x20/0xc0
[  406.855993][ T8242]  do_syscall_64+0xfa/0x3b0
[  406.856016][ T8242]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  406.856036][ T8242]  ? clear_bhb_loop+0x60/0xb0
[  406.856060][ T8242]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  406.856079][ T8242] RIP: 0033:0x7f71bc99038a
[  406.856099][ T8242] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  406.856117][ T8242] RSP: 002b:00007f71bd75fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  406.856141][ T8242] RAX: ffffffffffffffda RBX: 00007f71bd75fef0 RCX: 00007f71bc99038a
[  406.856157][ T8242] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f71bd75feb0
[  406.856171][ T8242] RBP: 000020000001f680 R08: 00007f71bd75fef0 R09: 0000000000000084
[  406.856185][ T8242] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  406.856199][ T8242] R13: 00007f71bd75feb0 R14: 000000000001f790 R15: 00002000000001c0
[  406.856221][ T8242]  </TASK>
[  406.856242][ T8242] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  406.931427][ T8255] loop5: detected capacity change from 0 to 32768
[  407.040569][ T8246] CPU: 0 UID: 0 PID: 8246 Comm: syz.1.507 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  407.040604][ T8246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  407.040619][ T8246] Call Trace:
[  407.040630][ T8246]  <TASK>
[  407.040642][ T8246]  dump_stack_lvl+0x189/0x250
[  407.040677][ T8246]  ? __pfx_dump_stack_lvl+0x10/0x10
[  407.040706][ T8246]  ? __pfx__printk+0x10/0x10
[  407.040736][ T8246]  ? kernfs_root+0x1c/0x230
[  407.040764][ T8246]  ? kernfs_path_from_node+0x250/0x290
[  407.040795][ T8246]  ? kernfs_path_from_node+0x2f/0x290
[  407.040825][ T8246]  sysfs_create_dir_ns+0x259/0x280
[  407.040850][ T8246]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  407.040876][ T8246]  ? do_raw_spin_unlock+0x122/0x240
[  407.040909][ T8246]  kobject_add_internal+0x59f/0xb40
[  407.040940][ T8246]  kobject_init_and_add+0x125/0x190
[  407.040968][ T8246]  ? __pfx_kobject_init_and_add+0x10/0x10
[  407.040995][ T8246]  ? __raw_spin_lock_init+0x45/0x100
[  407.041023][ T8246]  ? __init_swait_queue_head+0xa9/0x150
[  407.041054][ T8246]  gfs2_sys_fs_add+0x234/0x450
[  407.041078][ T8246]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  407.041105][ T8246]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  407.041143][ T8246]  gfs2_fill_super+0x13c0/0x20d0
[  407.041183][ T8246]  ? __pfx_gfs2_fill_super+0x10/0x10
[  407.041215][ T8246]  ? sb_set_blocksize+0x104/0x180
[  407.041249][ T8246]  ? setup_bdev_super+0x4c1/0x5b0
[  407.041283][ T8246]  get_tree_bdev_flags+0x40b/0x4d0
[  407.041315][ T8246]  ? __pfx_gfs2_fill_super+0x10/0x10
[  407.041345][ T8246]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  407.041382][ T8246]  gfs2_get_tree+0x51/0x1e0
[  407.041412][ T8246]  vfs_get_tree+0x8f/0x2b0
[  407.041454][ T8246]  do_new_mount+0x2a2/0xa30
[  407.041491][ T8246]  ? ns_capable+0x8a/0xf0
[  407.041513][ T8246]  ? __pfx_do_new_mount+0x10/0x10
[  407.041547][ T8246]  ? path_mount+0x61c/0xfe0
[  407.041579][ T8246]  ? user_path_at+0x44/0x60
[  407.041611][ T8246]  __se_sys_mount+0x317/0x410
[  407.041651][ T8246]  ? __pfx___se_sys_mount+0x10/0x10
[  407.041687][ T8246]  ? rcu_is_watching+0x15/0xb0
[  407.041708][ T8246]  ? __x64_sys_mount+0x20/0xc0
[  407.041744][ T8246]  do_syscall_64+0xfa/0x3b0
[  407.041769][ T8246]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  407.041793][ T8246]  ? clear_bhb_loop+0x60/0xb0
[  407.041817][ T8246]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  407.041841][ T8246] RIP: 0033:0x7fca00b9038a
[  407.041862][ T8246] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  407.041883][ T8246] RSP: 002b:00007fca019f9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  407.041909][ T8246] RAX: ffffffffffffffda RBX: 00007fca019f9ef0 RCX: 00007fca00b9038a
[  407.041928][ T8246] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fca019f9eb0
[  407.041946][ T8246] RBP: 000020000001f680 R08: 00007fca019f9ef0 R09: 0000000000000084
[  407.041963][ T8246] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  407.041978][ T8246] R13: 00007fca019f9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  407.042004][ T8246]  </TASK>
[  407.042030][ T8246] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  407.056313][ T8242] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  407.200293][ T8246] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  407.523946][ T8255] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  407.543394][ T8255] CPU: 1 UID: 0 PID: 8255 Comm: syz.5.508 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  407.543425][ T8255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  407.543439][ T8255] Call Trace:
[  407.543448][ T8255]  <TASK>
[  407.543457][ T8255]  dump_stack_lvl+0x189/0x250
[  407.543489][ T8255]  ? __pfx_dump_stack_lvl+0x10/0x10
[  407.543514][ T8255]  ? __pfx__printk+0x10/0x10
[  407.543541][ T8255]  ? kernfs_root+0x1c/0x230
[  407.543566][ T8255]  ? kernfs_path_from_node+0x250/0x290
[  407.543589][ T8255]  ? kernfs_path_from_node+0x2f/0x290
[  407.543614][ T8255]  sysfs_create_dir_ns+0x259/0x280
[  407.543638][ T8255]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  407.543668][ T8255]  ? do_raw_spin_unlock+0x122/0x240
[  407.543696][ T8255]  kobject_add_internal+0x59f/0xb40
[  407.543725][ T8255]  kobject_init_and_add+0x125/0x190
[  407.543750][ T8255]  ? __pfx_kobject_init_and_add+0x10/0x10
[  407.543774][ T8255]  ? __raw_spin_lock_init+0x45/0x100
[  407.543799][ T8255]  ? __init_swait_queue_head+0xa9/0x150
[  407.543826][ T8255]  gfs2_sys_fs_add+0x234/0x450
[  407.543848][ T8255]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  407.543873][ T8255]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  407.543907][ T8255]  gfs2_fill_super+0x13c0/0x20d0
[  407.543942][ T8255]  ? __pfx_gfs2_fill_super+0x10/0x10
[  407.543972][ T8255]  ? sb_set_blocksize+0x104/0x180
[  407.544003][ T8255]  ? setup_bdev_super+0x4c1/0x5b0
[  407.544032][ T8255]  get_tree_bdev_flags+0x40b/0x4d0
[  407.544060][ T8255]  ? __pfx_gfs2_fill_super+0x10/0x10
[  407.544086][ T8255]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  407.544120][ T8255]  gfs2_get_tree+0x51/0x1e0
[  407.544148][ T8255]  vfs_get_tree+0x8f/0x2b0
[  407.544176][ T8255]  do_new_mount+0x2a2/0xa30
[  407.544208][ T8255]  ? ns_capable+0x8a/0xf0
[  407.544227][ T8255]  ? __pfx_do_new_mount+0x10/0x10
[  407.544256][ T8255]  ? path_mount+0x61c/0xfe0
[  407.544284][ T8255]  ? user_path_at+0x44/0x60
[  407.544311][ T8255]  __se_sys_mount+0x317/0x410
[  407.544345][ T8255]  ? __pfx___se_sys_mount+0x10/0x10
[  407.544379][ T8255]  ? rcu_is_watching+0x15/0xb0
[  407.544398][ T8255]  ? __x64_sys_mount+0x20/0xc0
[  407.544432][ T8255]  do_syscall_64+0xfa/0x3b0
[  407.544454][ T8255]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  407.544474][ T8255]  ? clear_bhb_loop+0x60/0xb0
[  407.544497][ T8255]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  407.544518][ T8255] RIP: 0033:0x7f79b0d9038a
[  407.544536][ T8255] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  407.544554][ T8255] RSP: 002b:00007f79b1b55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  407.544577][ T8255] RAX: ffffffffffffffda RBX: 00007f79b1b55ef0 RCX: 00007f79b0d9038a
[  407.544593][ T8255] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f79b1b55eb0
[  407.544607][ T8255] RBP: 000020000001f680 R08: 00007f79b1b55ef0 R09: 0000000000000084
[  407.544622][ T8255] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  407.544635][ T8255] R13: 00007f79b1b55eb0 R14: 000000000001f790 R15: 00002000000001c0
[  407.544668][ T8255]  </TASK>
[  407.544690][ T8255] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  407.872591][ T8255] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  408.599380][ T8261] loop0: detected capacity change from 0 to 32768
[  408.614972][ T8264] loop4: detected capacity change from 0 to 32768
[  408.651980][ T8261] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  408.669792][ T8264] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  408.700521][ T8261] CPU: 1 UID: 0 PID: 8261 Comm: syz.0.509 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  408.700552][ T8261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  408.700565][ T8261] Call Trace:
[  408.700573][ T8261]  <TASK>
[  408.700581][ T8261]  dump_stack_lvl+0x189/0x250
[  408.700612][ T8261]  ? __pfx_dump_stack_lvl+0x10/0x10
[  408.700635][ T8261]  ? __pfx__printk+0x10/0x10
[  408.700661][ T8261]  ? kernfs_root+0x1c/0x230
[  408.700687][ T8261]  ? kernfs_path_from_node+0x250/0x290
[  408.700708][ T8261]  ? kernfs_path_from_node+0x2f/0x290
[  408.700731][ T8261]  sysfs_create_dir_ns+0x259/0x280
[  408.700754][ T8261]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  408.700776][ T8261]  ? do_raw_spin_unlock+0x122/0x240
[  408.700801][ T8261]  kobject_add_internal+0x59f/0xb40
[  408.700831][ T8261]  kobject_init_and_add+0x125/0x190
[  408.700856][ T8261]  ? __pfx_kobject_init_and_add+0x10/0x10
[  408.700879][ T8261]  ? __raw_spin_lock_init+0x45/0x100
[  408.700905][ T8261]  ? __init_swait_queue_head+0xa9/0x150
[  408.700932][ T8261]  gfs2_sys_fs_add+0x234/0x450
[  408.700954][ T8261]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  408.700977][ T8261]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  408.701010][ T8261]  gfs2_fill_super+0x13c0/0x20d0
[  408.701044][ T8261]  ? __pfx_gfs2_fill_super+0x10/0x10
[  408.701073][ T8261]  ? sb_set_blocksize+0x104/0x180
[  408.701103][ T8261]  ? setup_bdev_super+0x4c1/0x5b0
[  408.701132][ T8261]  get_tree_bdev_flags+0x40b/0x4d0
[  408.701160][ T8261]  ? __pfx_gfs2_fill_super+0x10/0x10
[  408.701187][ T8261]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  408.701221][ T8261]  gfs2_get_tree+0x51/0x1e0
[  408.701248][ T8261]  vfs_get_tree+0x8f/0x2b0
[  408.701278][ T8261]  do_new_mount+0x2a2/0xa30
[  408.701310][ T8261]  ? ns_capable+0x8a/0xf0
[  408.701330][ T8261]  ? __pfx_do_new_mount+0x10/0x10
[  408.701359][ T8261]  ? path_mount+0x61c/0xfe0
[  408.701386][ T8261]  ? user_path_at+0x44/0x60
[  408.701414][ T8261]  __se_sys_mount+0x317/0x410
[  408.701457][ T8261]  ? __pfx___se_sys_mount+0x10/0x10
[  408.701491][ T8261]  ? rcu_is_watching+0x15/0xb0
[  408.701510][ T8261]  ? __x64_sys_mount+0x20/0xc0
[  408.701541][ T8261]  do_syscall_64+0xfa/0x3b0
[  408.701563][ T8261]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  408.701584][ T8261]  ? clear_bhb_loop+0x60/0xb0
[  408.701607][ T8261]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  408.701627][ T8261] RIP: 0033:0x7f552e99038a
[  408.701646][ T8261] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  408.701663][ T8261] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  408.701687][ T8261] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  408.701702][ T8261] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  408.701718][ T8261] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  408.701731][ T8261] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  408.701745][ T8261] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  408.701767][ T8261]  </TASK>
[  408.701789][ T8261] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  408.910615][ T8264] CPU: 0 UID: 0 PID: 8264 Comm: syz.4.510 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  408.910656][ T8264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  408.910685][ T8264] Call Trace:
[  408.910695][ T8264]  <TASK>
[  408.910705][ T8264]  dump_stack_lvl+0x189/0x250
[  408.910742][ T8264]  ? __pfx_dump_stack_lvl+0x10/0x10
[  408.910770][ T8264]  ? __pfx__printk+0x10/0x10
[  408.910800][ T8264]  ? kernfs_root+0x1c/0x230
[  408.910828][ T8264]  ? kernfs_path_from_node+0x250/0x290
[  408.910854][ T8264]  ? kernfs_path_from_node+0x2f/0x290
[  408.910882][ T8264]  sysfs_create_dir_ns+0x259/0x280
[  408.910908][ T8264]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  408.910934][ T8264]  ? do_raw_spin_unlock+0x122/0x240
[  408.910965][ T8264]  kobject_add_internal+0x59f/0xb40
[  408.910998][ T8264]  kobject_init_and_add+0x125/0x190
[  408.911026][ T8264]  ? __pfx_kobject_init_and_add+0x10/0x10
[  408.911058][ T8264]  ? __raw_spin_lock_init+0x45/0x100
[  408.911087][ T8264]  ? __init_swait_queue_head+0xa9/0x150
[  408.911117][ T8264]  gfs2_sys_fs_add+0x234/0x450
[  408.911142][ T8264]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  408.911170][ T8264]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  408.911208][ T8264]  gfs2_fill_super+0x13c0/0x20d0
[  408.911248][ T8264]  ? __pfx_gfs2_fill_super+0x10/0x10
[  408.911280][ T8264]  ? sb_set_blocksize+0x104/0x180
[  408.911320][ T8264]  ? setup_bdev_super+0x4c1/0x5b0
[  408.911354][ T8264]  get_tree_bdev_flags+0x40b/0x4d0
[  408.911386][ T8264]  ? __pfx_gfs2_fill_super+0x10/0x10
[  408.911414][ T8264]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  408.911451][ T8264]  gfs2_get_tree+0x51/0x1e0
[  408.911483][ T8264]  vfs_get_tree+0x8f/0x2b0
[  408.911514][ T8264]  do_new_mount+0x2a2/0xa30
[  408.911550][ T8264]  ? ns_capable+0x8a/0xf0
[  408.911571][ T8264]  ? __pfx_do_new_mount+0x10/0x10
[  408.911605][ T8264]  ? path_mount+0x61c/0xfe0
[  408.911636][ T8264]  ? user_path_at+0x44/0x60
[  408.911675][ T8264]  __se_sys_mount+0x317/0x410
[  408.911713][ T8264]  ? __pfx___se_sys_mount+0x10/0x10
[  408.911749][ T8264]  ? rcu_is_watching+0x15/0xb0
[  408.911781][ T8264]  ? __x64_sys_mount+0x20/0xc0
[  408.911817][ T8264]  do_syscall_64+0xfa/0x3b0
[  408.911843][ T8264]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  408.911868][ T8264]  ? clear_bhb_loop+0x60/0xb0
[  408.911894][ T8264]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  408.911918][ T8264] RIP: 0033:0x7fd5f7f9038a
[  408.911940][ T8264] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  408.911961][ T8264] RSP: 002b:00007fd5f8e4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  408.911986][ T8264] RAX: ffffffffffffffda RBX: 00007fd5f8e4fef0 RCX: 00007fd5f7f9038a
[  408.912004][ T8264] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd5f8e4feb0
[  408.912022][ T8264] RBP: 000020000001f680 R08: 00007fd5f8e4fef0 R09: 0000000000000084
[  408.912037][ T8264] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  408.912053][ T8264] R13: 00007fd5f8e4feb0 R14: 000000000001f790 R15: 00002000000001c0
[  408.912079][ T8264]  </TASK>
[  408.945030][ T8264] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  409.098099][ T8270] loop1: detected capacity change from 0 to 32768
[  409.102008][ T8261] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  409.150130][ T8270] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  409.332555][ T8268] loop5: detected capacity change from 0 to 32768
[  409.348375][ T8270] CPU: 1 UID: 0 PID: 8270 Comm: syz.1.513 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  409.348420][ T8270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  409.348437][ T8270] Call Trace:
[  409.348446][ T8270]  <TASK>
[  409.348457][ T8270]  dump_stack_lvl+0x189/0x250
[  409.348494][ T8270]  ? __pfx_dump_stack_lvl+0x10/0x10
[  409.348523][ T8270]  ? __pfx__printk+0x10/0x10
[  409.348554][ T8270]  ? kernfs_root+0x1c/0x230
[  409.348582][ T8270]  ? kernfs_path_from_node+0x250/0x290
[  409.348606][ T8270]  ? kernfs_path_from_node+0x2f/0x290
[  409.348634][ T8270]  sysfs_create_dir_ns+0x259/0x280
[  409.348660][ T8270]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  409.348691][ T8270]  ? do_raw_spin_unlock+0x122/0x240
[  409.348722][ T8270]  kobject_add_internal+0x59f/0xb40
[  409.348756][ T8270]  kobject_init_and_add+0x125/0x190
[  409.348784][ T8270]  ? __pfx_kobject_init_and_add+0x10/0x10
[  409.348811][ T8270]  ? __raw_spin_lock_init+0x45/0x100
[  409.348839][ T8270]  ? __init_swait_queue_head+0xa9/0x150
[  409.348868][ T8270]  gfs2_sys_fs_add+0x234/0x450
[  409.348894][ T8270]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  409.348921][ T8270]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  409.348961][ T8270]  gfs2_fill_super+0x13c0/0x20d0
[  409.349002][ T8270]  ? __pfx_gfs2_fill_super+0x10/0x10
[  409.349035][ T8270]  ? sb_set_blocksize+0x104/0x180
[  409.349070][ T8270]  ? setup_bdev_super+0x4c1/0x5b0
[  409.349103][ T8270]  get_tree_bdev_flags+0x40b/0x4d0
[  409.349135][ T8270]  ? __pfx_gfs2_fill_super+0x10/0x10
[  409.349165][ T8270]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  409.349203][ T8270]  gfs2_get_tree+0x51/0x1e0
[  409.349234][ T8270]  vfs_get_tree+0x8f/0x2b0
[  409.349265][ T8270]  do_new_mount+0x2a2/0xa30
[  409.349301][ T8270]  ? ns_capable+0x8a/0xf0
[  409.349323][ T8270]  ? __pfx_do_new_mount+0x10/0x10
[  409.349355][ T8270]  ? path_mount+0x61c/0xfe0
[  409.349396][ T8270]  ? user_path_at+0x44/0x60
[  409.349426][ T8270]  __se_sys_mount+0x317/0x410
[  409.349465][ T8270]  ? __pfx___se_sys_mount+0x10/0x10
[  409.349502][ T8270]  ? rcu_is_watching+0x15/0xb0
[  409.349526][ T8270]  ? __x64_sys_mount+0x20/0xc0
[  409.349561][ T8270]  do_syscall_64+0xfa/0x3b0
[  409.349585][ T8270]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  409.349609][ T8270]  ? clear_bhb_loop+0x60/0xb0
[  409.349633][ T8270]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  409.349656][ T8270] RIP: 0033:0x7fca00b9038a
[  409.349677][ T8270] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  409.349697][ T8270] RSP: 002b:00007fca019f9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  409.349723][ T8270] RAX: ffffffffffffffda RBX: 00007fca019f9ef0 RCX: 00007fca00b9038a
[  409.349742][ T8270] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fca019f9eb0
[  409.349759][ T8270] RBP: 000020000001f680 R08: 00007fca019f9ef0 R09: 0000000000000084
[  409.349776][ T8270] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  409.349791][ T8270] R13: 00007fca019f9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  409.349817][ T8270]  </TASK>
[  409.349841][ T8270] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  409.367362][ T8266] loop3: detected capacity change from 0 to 32768
[  409.374316][ T8270] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  409.723823][ T8264] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  409.733362][ T8266] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  409.749655][ T8268] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  409.805804][ T8266] CPU: 1 UID: 0 PID: 8266 Comm: syz.3.511 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  409.805835][ T8266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  409.805848][ T8266] Call Trace:
[  409.805857][ T8266]  <TASK>
[  409.805866][ T8266]  dump_stack_lvl+0x189/0x250
[  409.805899][ T8266]  ? __pfx_dump_stack_lvl+0x10/0x10
[  409.805922][ T8266]  ? __pfx__printk+0x10/0x10
[  409.805949][ T8266]  ? kernfs_root+0x1c/0x230
[  409.805973][ T8266]  ? kernfs_path_from_node+0x250/0x290
[  409.805996][ T8266]  ? kernfs_path_from_node+0x2f/0x290
[  409.806021][ T8266]  sysfs_create_dir_ns+0x259/0x280
[  409.806044][ T8266]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  409.806067][ T8266]  ? do_raw_spin_unlock+0x122/0x240
[  409.806095][ T8266]  kobject_add_internal+0x59f/0xb40
[  409.806123][ T8266]  kobject_init_and_add+0x125/0x190
[  409.806148][ T8266]  ? __pfx_kobject_init_and_add+0x10/0x10
[  409.806170][ T8266]  ? __raw_spin_lock_init+0x45/0x100
[  409.806196][ T8266]  ? __init_swait_queue_head+0xa9/0x150
[  409.806222][ T8266]  gfs2_sys_fs_add+0x234/0x450
[  409.806243][ T8266]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  409.806267][ T8266]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  409.806300][ T8266]  gfs2_fill_super+0x13c0/0x20d0
[  409.806333][ T8266]  ? __pfx_gfs2_fill_super+0x10/0x10
[  409.806362][ T8266]  ? sb_set_blocksize+0x104/0x180
[  409.806390][ T8266]  ? setup_bdev_super+0x4c1/0x5b0
[  409.806419][ T8266]  get_tree_bdev_flags+0x40b/0x4d0
[  409.806447][ T8266]  ? __pfx_gfs2_fill_super+0x10/0x10
[  409.806472][ T8266]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  409.806504][ T8266]  gfs2_get_tree+0x51/0x1e0
[  409.806539][ T8266]  vfs_get_tree+0x8f/0x2b0
[  409.806569][ T8266]  do_new_mount+0x2a2/0xa30
[  409.806600][ T8266]  ? ns_capable+0x8a/0xf0
[  409.806621][ T8266]  ? __pfx_do_new_mount+0x10/0x10
[  409.806651][ T8266]  ? path_mount+0x61c/0xfe0
[  409.806679][ T8266]  ? user_path_at+0x44/0x60
[  409.806707][ T8266]  __se_sys_mount+0x317/0x410
[  409.806742][ T8266]  ? __pfx___se_sys_mount+0x10/0x10
[  409.806774][ T8266]  ? rcu_is_watching+0x15/0xb0
[  409.806794][ T8266]  ? __x64_sys_mount+0x20/0xc0
[  409.806825][ T8266]  do_syscall_64+0xfa/0x3b0
[  409.806847][ T8266]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  409.806868][ T8266]  ? clear_bhb_loop+0x60/0xb0
[  409.806891][ T8266]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  409.806911][ T8266] RIP: 0033:0x7f71bc99038a
[  409.806929][ T8266] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  409.806947][ T8266] RSP: 002b:00007f71bd75fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  409.806971][ T8266] RAX: ffffffffffffffda RBX: 00007f71bd75fef0 RCX: 00007f71bc99038a
[  409.806986][ T8266] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f71bd75feb0
[  409.807001][ T8266] RBP: 000020000001f680 R08: 00007f71bd75fef0 R09: 0000000000000084
[  409.807016][ T8266] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  409.807029][ T8266] R13: 00007f71bd75feb0 R14: 000000000001f790 R15: 00002000000001c0
[  409.807052][ T8266]  </TASK>
[  409.807074][ T8266] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  409.932401][ T8268] CPU: 0 UID: 0 PID: 8268 Comm: syz.5.512 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  409.932439][ T8268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  409.932456][ T8268] Call Trace:
[  409.932466][ T8268]  <TASK>
[  409.932476][ T8268]  dump_stack_lvl+0x189/0x250
[  409.932512][ T8268]  ? __pfx_dump_stack_lvl+0x10/0x10
[  409.932541][ T8268]  ? __pfx__printk+0x10/0x10
[  409.932575][ T8268]  ? kernfs_root+0x1c/0x230
[  409.932605][ T8268]  ? kernfs_path_from_node+0x250/0x290
[  409.932631][ T8268]  ? kernfs_path_from_node+0x2f/0x290
[  409.932660][ T8268]  sysfs_create_dir_ns+0x259/0x280
[  409.932688][ T8268]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  409.932714][ T8268]  ? do_raw_spin_unlock+0x122/0x240
[  409.932747][ T8268]  kobject_add_internal+0x59f/0xb40
[  409.932781][ T8268]  kobject_init_and_add+0x125/0x190
[  409.932811][ T8268]  ? __pfx_kobject_init_and_add+0x10/0x10
[  409.932839][ T8268]  ? __raw_spin_lock_init+0x45/0x100
[  409.932868][ T8268]  ? __init_swait_queue_head+0xa9/0x150
[  409.932899][ T8268]  gfs2_sys_fs_add+0x234/0x450
[  409.932925][ T8268]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  409.932953][ T8268]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  409.932992][ T8268]  gfs2_fill_super+0x13c0/0x20d0
[  409.933034][ T8268]  ? __pfx_gfs2_fill_super+0x10/0x10
[  409.933067][ T8268]  ? sb_set_blocksize+0x104/0x180
[  409.933111][ T8268]  ? setup_bdev_super+0x4c1/0x5b0
[  409.933147][ T8268]  get_tree_bdev_flags+0x40b/0x4d0
[  409.933180][ T8268]  ? __pfx_gfs2_fill_super+0x10/0x10
[  409.933212][ T8268]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  409.933250][ T8268]  gfs2_get_tree+0x51/0x1e0
[  409.933327][ T8268]  vfs_get_tree+0x8f/0x2b0
[  409.933360][ T8268]  do_new_mount+0x2a2/0xa30
[  409.933394][ T8268]  ? ns_capable+0x8a/0xf0
2025/08/16 05:31:23 executed programs: 507
[  409.933417][ T8268]  ? __pfx_do_new_mount+0x10/0x10
[  409.933447][ T8268]  ? path_mount+0x61c/0xfe0
[  409.933479][ T8268]  ? user_path_at+0x44/0x60
[  409.933507][ T8268]  __se_sys_mount+0x317/0x410
[  409.933547][ T8268]  ? __pfx___se_sys_mount+0x10/0x10
[  409.933585][ T8268]  ? rcu_is_watching+0x15/0xb0
[  409.933609][ T8268]  ? __x64_sys_mount+0x20/0xc0
[  409.933645][ T8268]  do_syscall_64+0xfa/0x3b0
[  409.933668][ T8268]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  409.933692][ T8268]  ? clear_bhb_loop+0x60/0xb0
[  409.933719][ T8268]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  409.933741][ T8268] RIP: 0033:0x7f79b0d9038a
[  409.933763][ T8268] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  409.933783][ T8268] RSP: 002b:00007f79b1b55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  409.933809][ T8268] RAX: ffffffffffffffda RBX: 00007f79b1b55ef0 RCX: 00007f79b0d9038a
[  409.933827][ T8268] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f79b1b55eb0
[  409.933844][ T8268] RBP: 000020000001f680 R08: 00007f79b1b55ef0 R09: 0000000000000084
[  409.933861][ T8268] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  409.933876][ T8268] R13: 00007f79b1b55eb0 R14: 000000000001f790 R15: 00002000000001c0
[  409.933902][ T8268]  </TASK>
[  409.933930][ T8268] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  410.325104][ T8266] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  410.367323][ T8268] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  411.158635][ T8283] loop1: detected capacity change from 0 to 32768
[  411.210799][ T8283] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  411.238562][ T8283] CPU: 0 UID: 0 PID: 8283 Comm: syz.1.514 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  411.238598][ T8283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  411.238613][ T8283] Call Trace:
[  411.238621][ T8283]  <TASK>
[  411.238631][ T8283]  dump_stack_lvl+0x189/0x250
[  411.238665][ T8283]  ? __pfx_dump_stack_lvl+0x10/0x10
[  411.238690][ T8283]  ? __pfx__printk+0x10/0x10
[  411.238717][ T8283]  ? kernfs_root+0x1c/0x230
[  411.238741][ T8283]  ? kernfs_path_from_node+0x250/0x290
[  411.238763][ T8283]  ? kernfs_path_from_node+0x2f/0x290
[  411.238788][ T8283]  sysfs_create_dir_ns+0x259/0x280
[  411.238810][ T8283]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  411.238832][ T8283]  ? do_raw_spin_unlock+0x122/0x240
[  411.238858][ T8283]  kobject_add_internal+0x59f/0xb40
[  411.238887][ T8283]  kobject_init_and_add+0x125/0x190
[  411.238912][ T8283]  ? __pfx_kobject_init_and_add+0x10/0x10
[  411.238934][ T8283]  ? __raw_spin_lock_init+0x45/0x100
[  411.238960][ T8283]  ? __init_swait_queue_head+0xa9/0x150
[  411.238985][ T8283]  gfs2_sys_fs_add+0x234/0x450
[  411.239007][ T8283]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  411.239031][ T8283]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  411.239064][ T8283]  gfs2_fill_super+0x13c0/0x20d0
[  411.239098][ T8283]  ? __pfx_gfs2_fill_super+0x10/0x10
[  411.239126][ T8283]  ? sb_set_blocksize+0x104/0x180
[  411.239171][ T8283]  ? setup_bdev_super+0x4c1/0x5b0
[  411.239200][ T8283]  get_tree_bdev_flags+0x40b/0x4d0
[  411.239227][ T8283]  ? __pfx_gfs2_fill_super+0x10/0x10
[  411.239252][ T8283]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  411.239285][ T8283]  gfs2_get_tree+0x51/0x1e0
[  411.239312][ T8283]  vfs_get_tree+0x8f/0x2b0
[  411.239340][ T8283]  do_new_mount+0x2a2/0xa30
[  411.239372][ T8283]  ? ns_capable+0x8a/0xf0
[  411.239391][ T8283]  ? __pfx_do_new_mount+0x10/0x10
[  411.239420][ T8283]  ? path_mount+0x61c/0xfe0
[  411.239447][ T8283]  ? user_path_at+0x44/0x60
[  411.239473][ T8283]  __se_sys_mount+0x317/0x410
[  411.239507][ T8283]  ? __pfx___se_sys_mount+0x10/0x10
[  411.239539][ T8283]  ? rcu_is_watching+0x15/0xb0
[  411.239559][ T8283]  ? __x64_sys_mount+0x20/0xc0
[  411.239589][ T8283]  do_syscall_64+0xfa/0x3b0
[  411.239610][ T8283]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.239631][ T8283]  ? clear_bhb_loop+0x60/0xb0
[  411.239653][ T8283]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.239673][ T8283] RIP: 0033:0x7fca00b9038a
[  411.239691][ T8283] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  411.239709][ T8283] RSP: 002b:00007fca019f9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  411.239731][ T8283] RAX: ffffffffffffffda RBX: 00007fca019f9ef0 RCX: 00007fca00b9038a
[  411.239747][ T8283] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fca019f9eb0
[  411.239761][ T8283] RBP: 000020000001f680 R08: 00007fca019f9ef0 R09: 0000000000000084
[  411.239776][ T8283] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  411.239789][ T8283] R13: 00007fca019f9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  411.239811][ T8283]  </TASK>
[  411.239858][ T8283] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  411.340309][ T8287] loop0: detected capacity change from 0 to 32768
[  411.354429][ T8285] loop4: detected capacity change from 0 to 32768
[  411.470567][ T8283] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  411.602620][ T8287] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  411.613643][ T8285] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  411.620527][ T8287] CPU: 1 UID: 0 PID: 8287 Comm: syz.0.515 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  411.620563][ T8287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  411.620578][ T8287] Call Trace:
[  411.620588][ T8287]  <TASK>
[  411.620600][ T8287]  dump_stack_lvl+0x189/0x250
[  411.620642][ T8287]  ? __pfx_dump_stack_lvl+0x10/0x10
[  411.620670][ T8287]  ? __pfx__printk+0x10/0x10
[  411.620700][ T8287]  ? kernfs_root+0x1c/0x230
[  411.620735][ T8287]  ? kernfs_path_from_node+0x250/0x290
[  411.620761][ T8287]  ? kernfs_path_from_node+0x2f/0x290
[  411.620789][ T8287]  sysfs_create_dir_ns+0x259/0x280
[  411.620815][ T8287]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  411.620840][ T8287]  ? do_raw_spin_unlock+0x122/0x240
[  411.620870][ T8287]  kobject_add_internal+0x59f/0xb40
[  411.620904][ T8287]  kobject_init_and_add+0x125/0x190
[  411.620931][ T8287]  ? __pfx_kobject_init_and_add+0x10/0x10
[  411.620958][ T8287]  ? __raw_spin_lock_init+0x45/0x100
[  411.620987][ T8287]  ? __init_swait_queue_head+0xa9/0x150
[  411.621016][ T8287]  gfs2_sys_fs_add+0x234/0x450
[  411.621040][ T8287]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  411.621065][ T8287]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  411.621098][ T8287]  gfs2_fill_super+0x13c0/0x20d0
[  411.621131][ T8287]  ? __pfx_gfs2_fill_super+0x10/0x10
[  411.621158][ T8287]  ? sb_set_blocksize+0x104/0x180
[  411.621186][ T8287]  ? setup_bdev_super+0x4c1/0x5b0
[  411.621222][ T8287]  get_tree_bdev_flags+0x40b/0x4d0
[  411.621251][ T8287]  ? __pfx_gfs2_fill_super+0x10/0x10
[  411.621281][ T8287]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  411.621321][ T8287]  gfs2_get_tree+0x51/0x1e0
[  411.621352][ T8287]  vfs_get_tree+0x8f/0x2b0
[  411.621395][ T8287]  do_new_mount+0x2a2/0xa30
[  411.621431][ T8287]  ? ns_capable+0x8a/0xf0
[  411.621455][ T8287]  ? __pfx_do_new_mount+0x10/0x10
[  411.621487][ T8287]  ? path_mount+0x61c/0xfe0
[  411.621520][ T8287]  ? user_path_at+0x44/0x60
[  411.621550][ T8287]  __se_sys_mount+0x317/0x410
[  411.621587][ T8287]  ? __pfx___se_sys_mount+0x10/0x10
[  411.621624][ T8287]  ? rcu_is_watching+0x15/0xb0
[  411.621647][ T8287]  ? __x64_sys_mount+0x20/0xc0
[  411.621681][ T8287]  do_syscall_64+0xfa/0x3b0
[  411.621706][ T8287]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.621730][ T8287]  ? clear_bhb_loop+0x60/0xb0
[  411.621756][ T8287]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.621778][ T8287] RIP: 0033:0x7f552e99038a
[  411.621798][ T8287] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  411.621819][ T8287] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  411.621845][ T8287] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  411.621864][ T8287] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  411.621881][ T8287] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  411.621898][ T8287] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  411.621914][ T8287] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  411.621940][ T8287]  </TASK>
[  411.621964][ T8287] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  411.942357][ T8285] CPU: 1 UID: 0 PID: 8285 Comm: syz.4.516 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  411.942387][ T8285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  411.942401][ T8285] Call Trace:
[  411.942409][ T8285]  <TASK>
[  411.942419][ T8285]  dump_stack_lvl+0x189/0x250
[  411.942451][ T8285]  ? __pfx_dump_stack_lvl+0x10/0x10
[  411.942476][ T8285]  ? __pfx__printk+0x10/0x10
[  411.942503][ T8285]  ? kernfs_root+0x1c/0x230
[  411.942528][ T8285]  ? kernfs_path_from_node+0x250/0x290
[  411.942551][ T8285]  ? kernfs_path_from_node+0x2f/0x290
[  411.942575][ T8285]  sysfs_create_dir_ns+0x259/0x280
[  411.942598][ T8285]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  411.942621][ T8285]  ? do_raw_spin_unlock+0x122/0x240
[  411.942649][ T8285]  kobject_add_internal+0x59f/0xb40
[  411.942678][ T8285]  kobject_init_and_add+0x125/0x190
[  411.942703][ T8285]  ? __pfx_kobject_init_and_add+0x10/0x10
[  411.942726][ T8285]  ? __raw_spin_lock_init+0x45/0x100
[  411.942751][ T8285]  ? __init_swait_queue_head+0xa9/0x150
[  411.942777][ T8285]  gfs2_sys_fs_add+0x234/0x450
[  411.942800][ T8285]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  411.942824][ T8285]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  411.942858][ T8285]  gfs2_fill_super+0x13c0/0x20d0
[  411.942893][ T8285]  ? __pfx_gfs2_fill_super+0x10/0x10
[  411.942921][ T8285]  ? sb_set_blocksize+0x104/0x180
[  411.942950][ T8285]  ? setup_bdev_super+0x4c1/0x5b0
[  411.942980][ T8285]  get_tree_bdev_flags+0x40b/0x4d0
[  411.943007][ T8285]  ? __pfx_gfs2_fill_super+0x10/0x10
[  411.943032][ T8285]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  411.943065][ T8285]  gfs2_get_tree+0x51/0x1e0
[  411.943092][ T8285]  vfs_get_tree+0x8f/0x2b0
[  411.943122][ T8285]  do_new_mount+0x2a2/0xa30
[  411.943154][ T8285]  ? ns_capable+0x8a/0xf0
[  411.943174][ T8285]  ? __pfx_do_new_mount+0x10/0x10
[  411.943203][ T8285]  ? path_mount+0x61c/0xfe0
[  411.943232][ T8285]  ? user_path_at+0x44/0x60
[  411.943259][ T8285]  __se_sys_mount+0x317/0x410
[  411.943291][ T8285]  ? __pfx___se_sys_mount+0x10/0x10
[  411.943322][ T8285]  ? rcu_is_watching+0x15/0xb0
[  411.943350][ T8285]  ? __x64_sys_mount+0x20/0xc0
[  411.943380][ T8285]  do_syscall_64+0xfa/0x3b0
[  411.943401][ T8285]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.943421][ T8285]  ? clear_bhb_loop+0x60/0xb0
[  411.943444][ T8285]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  411.943464][ T8285] RIP: 0033:0x7fd5f7f9038a
[  411.943481][ T8285] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  411.943498][ T8285] RSP: 002b:00007fd5f8e4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  411.943519][ T8285] RAX: ffffffffffffffda RBX: 00007fd5f8e4fef0 RCX: 00007fd5f7f9038a
[  411.943535][ T8285] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd5f8e4feb0
[  411.943549][ T8285] RBP: 000020000001f680 R08: 00007fd5f8e4fef0 R09: 0000000000000084
[  411.943564][ T8285] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  411.943578][ T8285] R13: 00007fd5f8e4feb0 R14: 000000000001f790 R15: 00002000000001c0
[  411.943601][ T8285]  </TASK>
[  411.943624][ T8285] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  412.220514][ T8287] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  412.250517][ T8285] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  412.481550][ T8290] loop5: detected capacity change from 0 to 32768
[  412.525325][ T8290] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  412.570574][ T8290] CPU: 1 UID: 0 PID: 8290 Comm: syz.5.517 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  412.570605][ T8290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  412.570618][ T8290] Call Trace:
[  412.570626][ T8290]  <TASK>
[  412.570635][ T8290]  dump_stack_lvl+0x189/0x250
[  412.570667][ T8290]  ? __pfx_dump_stack_lvl+0x10/0x10
[  412.570691][ T8290]  ? __pfx__printk+0x10/0x10
[  412.570717][ T8290]  ? kernfs_root+0x1c/0x230
[  412.570741][ T8290]  ? kernfs_path_from_node+0x250/0x290
[  412.570762][ T8290]  ? kernfs_path_from_node+0x2f/0x290
[  412.570787][ T8290]  sysfs_create_dir_ns+0x259/0x280
[  412.570808][ T8290]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  412.570830][ T8290]  ? do_raw_spin_unlock+0x122/0x240
[  412.570857][ T8290]  kobject_add_internal+0x59f/0xb40
[  412.570884][ T8290]  kobject_init_and_add+0x125/0x190
[  412.570908][ T8290]  ? __pfx_kobject_init_and_add+0x10/0x10
[  412.570930][ T8290]  ? __raw_spin_lock_init+0x45/0x100
[  412.570966][ T8290]  ? __init_swait_queue_head+0xa9/0x150
[  412.570992][ T8290]  gfs2_sys_fs_add+0x234/0x450
[  412.571014][ T8290]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  412.571038][ T8290]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  412.571078][ T8290]  gfs2_fill_super+0x13c0/0x20d0
[  412.571111][ T8290]  ? __pfx_gfs2_fill_super+0x10/0x10
[  412.571139][ T8290]  ? sb_set_blocksize+0x104/0x180
[  412.571167][ T8290]  ? setup_bdev_super+0x4c1/0x5b0
[  412.571197][ T8290]  get_tree_bdev_flags+0x40b/0x4d0
[  412.571226][ T8290]  ? __pfx_gfs2_fill_super+0x10/0x10
[  412.571253][ T8290]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  412.571286][ T8290]  gfs2_get_tree+0x51/0x1e0
[  412.571321][ T8290]  vfs_get_tree+0x8f/0x2b0
[  412.571351][ T8290]  do_new_mount+0x2a2/0xa30
[  412.571382][ T8290]  ? ns_capable+0x8a/0xf0
[  412.571402][ T8290]  ? __pfx_do_new_mount+0x10/0x10
[  412.571431][ T8290]  ? path_mount+0x61c/0xfe0
[  412.571459][ T8290]  ? user_path_at+0x44/0x60
[  412.571486][ T8290]  __se_sys_mount+0x317/0x410
[  412.571518][ T8290]  ? __pfx___se_sys_mount+0x10/0x10
[  412.571552][ T8290]  ? rcu_is_watching+0x15/0xb0
[  412.571572][ T8290]  ? __x64_sys_mount+0x20/0xc0
[  412.571602][ T8290]  do_syscall_64+0xfa/0x3b0
[  412.571625][ T8290]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  412.571645][ T8290]  ? clear_bhb_loop+0x60/0xb0
[  412.571668][ T8290]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  412.571687][ T8290] RIP: 0033:0x7f79b0d9038a
[  412.571705][ T8290] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  412.571723][ T8290] RSP: 002b:00007f79b1b55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  412.571746][ T8290] RAX: ffffffffffffffda RBX: 00007f79b1b55ef0 RCX: 00007f79b0d9038a
[  412.571762][ T8290] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f79b1b55eb0
[  412.571777][ T8290] RBP: 000020000001f680 R08: 00007f79b1b55ef0 R09: 0000000000000084
[  412.571791][ T8290] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  412.571804][ T8290] R13: 00007f79b1b55eb0 R14: 000000000001f790 R15: 00002000000001c0
[  412.571827][ T8290]  </TASK>
[  412.572082][ T8290] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  412.643607][ T8291] loop3: detected capacity change from 0 to 32768
[  412.647963][ T8290] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  412.938591][ T8291] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  412.960514][ T8291] CPU: 1 UID: 0 PID: 8291 Comm: syz.3.518 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  412.960544][ T8291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  412.960557][ T8291] Call Trace:
[  412.960566][ T8291]  <TASK>
[  412.960575][ T8291]  dump_stack_lvl+0x189/0x250
[  412.960607][ T8291]  ? __pfx_dump_stack_lvl+0x10/0x10
[  412.960633][ T8291]  ? __pfx__printk+0x10/0x10
[  412.960660][ T8291]  ? kernfs_root+0x1c/0x230
[  412.960685][ T8291]  ? kernfs_path_from_node+0x250/0x290
[  412.960708][ T8291]  ? kernfs_path_from_node+0x2f/0x290
[  412.960732][ T8291]  sysfs_create_dir_ns+0x259/0x280
[  412.960754][ T8291]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  412.960775][ T8291]  ? do_raw_spin_unlock+0x122/0x240
[  412.960802][ T8291]  kobject_add_internal+0x59f/0xb40
[  412.960830][ T8291]  kobject_init_and_add+0x125/0x190
[  412.960855][ T8291]  ? __pfx_kobject_init_and_add+0x10/0x10
[  412.960878][ T8291]  ? __raw_spin_lock_init+0x45/0x100
[  412.960904][ T8291]  ? __init_swait_queue_head+0xa9/0x150
[  412.960930][ T8291]  gfs2_sys_fs_add+0x234/0x450
[  412.960951][ T8291]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  412.960974][ T8291]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  412.961008][ T8291]  gfs2_fill_super+0x13c0/0x20d0
[  412.961042][ T8291]  ? __pfx_gfs2_fill_super+0x10/0x10
[  412.961070][ T8291]  ? sb_set_blocksize+0x104/0x180
[  412.961101][ T8291]  ? setup_bdev_super+0x4c1/0x5b0
[  412.961132][ T8291]  get_tree_bdev_flags+0x40b/0x4d0
[  412.961161][ T8291]  ? __pfx_gfs2_fill_super+0x10/0x10
[  412.961187][ T8291]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  412.961221][ T8291]  gfs2_get_tree+0x51/0x1e0
[  412.961249][ T8291]  vfs_get_tree+0x8f/0x2b0
[  412.961286][ T8291]  do_new_mount+0x2a2/0xa30
[  412.961319][ T8291]  ? ns_capable+0x8a/0xf0
[  412.961338][ T8291]  ? __pfx_do_new_mount+0x10/0x10
[  412.961367][ T8291]  ? path_mount+0x61c/0xfe0
[  412.961394][ T8291]  ? user_path_at+0x44/0x60
[  412.961422][ T8291]  __se_sys_mount+0x317/0x410
[  412.961456][ T8291]  ? __pfx___se_sys_mount+0x10/0x10
[  412.961489][ T8291]  ? rcu_is_watching+0x15/0xb0
[  412.961509][ T8291]  ? __x64_sys_mount+0x20/0xc0
[  412.961540][ T8291]  do_syscall_64+0xfa/0x3b0
[  412.961562][ T8291]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  412.961582][ T8291]  ? clear_bhb_loop+0x60/0xb0
[  412.961605][ T8291]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  412.961625][ T8291] RIP: 0033:0x7f71bc99038a
[  412.961644][ T8291] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  412.961662][ T8291] RSP: 002b:00007f71bd75fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  412.961684][ T8291] RAX: ffffffffffffffda RBX: 00007f71bd75fef0 RCX: 00007f71bc99038a
[  412.961700][ T8291] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f71bd75feb0
[  412.961716][ T8291] RBP: 000020000001f680 R08: 00007f71bd75fef0 R09: 0000000000000084
[  412.961730][ T8291] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  412.961744][ T8291] R13: 00007f71bd75feb0 R14: 000000000001f790 R15: 00002000000001c0
[  412.961767][ T8291]  </TASK>
[  412.961789][ T8291] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  413.322412][ T8291] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  413.738437][ T8299] loop1: detected capacity change from 0 to 32768
[  413.796416][ T8299] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  413.820559][ T8299] CPU: 1 UID: 0 PID: 8299 Comm: syz.1.519 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  413.820591][ T8299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  413.820604][ T8299] Call Trace:
[  413.820614][ T8299]  <TASK>
[  413.820623][ T8299]  dump_stack_lvl+0x189/0x250
[  413.820656][ T8299]  ? __pfx_dump_stack_lvl+0x10/0x10
[  413.820682][ T8299]  ? __pfx__printk+0x10/0x10
[  413.820709][ T8299]  ? kernfs_root+0x1c/0x230
[  413.820735][ T8299]  ? kernfs_path_from_node+0x250/0x290
[  413.820758][ T8299]  ? kernfs_path_from_node+0x2f/0x290
[  413.820783][ T8299]  sysfs_create_dir_ns+0x259/0x280
[  413.820806][ T8299]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  413.820829][ T8299]  ? do_raw_spin_unlock+0x122/0x240
[  413.820858][ T8299]  kobject_add_internal+0x59f/0xb40
[  413.820887][ T8299]  kobject_init_and_add+0x125/0x190
[  413.820913][ T8299]  ? __pfx_kobject_init_and_add+0x10/0x10
[  413.820936][ T8299]  ? __raw_spin_lock_init+0x45/0x100
[  413.820962][ T8299]  ? __init_swait_queue_head+0xa9/0x150
[  413.821000][ T8299]  gfs2_sys_fs_add+0x234/0x450
[  413.821022][ T8299]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  413.821047][ T8299]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  413.821081][ T8299]  gfs2_fill_super+0x13c0/0x20d0
[  413.821116][ T8299]  ? __pfx_gfs2_fill_super+0x10/0x10
[  413.821145][ T8299]  ? sb_set_blocksize+0x104/0x180
[  413.821176][ T8299]  ? setup_bdev_super+0x4c1/0x5b0
[  413.821205][ T8299]  get_tree_bdev_flags+0x40b/0x4d0
[  413.821234][ T8299]  ? __pfx_gfs2_fill_super+0x10/0x10
[  413.821261][ T8299]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  413.821294][ T8299]  gfs2_get_tree+0x51/0x1e0
[  413.821322][ T8299]  vfs_get_tree+0x8f/0x2b0
[  413.821351][ T8299]  do_new_mount+0x2a2/0xa30
[  413.821384][ T8299]  ? ns_capable+0x8a/0xf0
[  413.821403][ T8299]  ? __pfx_do_new_mount+0x10/0x10
[  413.821432][ T8299]  ? path_mount+0x61c/0xfe0
[  413.821460][ T8299]  ? user_path_at+0x44/0x60
[  413.821488][ T8299]  __se_sys_mount+0x317/0x410
[  413.821521][ T8299]  ? __pfx___se_sys_mount+0x10/0x10
[  413.821556][ T8299]  ? rcu_is_watching+0x15/0xb0
[  413.821576][ T8299]  ? __x64_sys_mount+0x20/0xc0
[  413.821608][ T8299]  do_syscall_64+0xfa/0x3b0
[  413.821630][ T8299]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.821651][ T8299]  ? clear_bhb_loop+0x60/0xb0
[  413.821674][ T8299]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.821695][ T8299] RIP: 0033:0x7fca00b9038a
[  413.821714][ T8299] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  413.821731][ T8299] RSP: 002b:00007fca019f9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  413.821754][ T8299] RAX: ffffffffffffffda RBX: 00007fca019f9ef0 RCX: 00007fca00b9038a
[  413.821771][ T8299] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fca019f9eb0
[  413.821785][ T8299] RBP: 000020000001f680 R08: 00007fca019f9ef0 R09: 0000000000000084
[  413.821800][ T8299] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  413.821814][ T8299] R13: 00007fca019f9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  413.821837][ T8299]  </TASK>
[  413.821858][ T8299] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  414.180706][ T8299] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  414.216992][ T8309] loop5: detected capacity change from 0 to 32768
[  414.232752][ T8305] loop4: detected capacity change from 0 to 32768
[  414.352715][ T8305] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  414.380502][ T8305] CPU: 1 UID: 0 PID: 8305 Comm: syz.4.521 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  414.380533][ T8305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  414.380548][ T8305] Call Trace:
[  414.380557][ T8305]  <TASK>
[  414.380566][ T8305]  dump_stack_lvl+0x189/0x250
[  414.380598][ T8305]  ? __pfx_dump_stack_lvl+0x10/0x10
[  414.380624][ T8305]  ? __pfx__printk+0x10/0x10
[  414.380652][ T8305]  ? kernfs_root+0x1c/0x230
[  414.380677][ T8305]  ? kernfs_path_from_node+0x250/0x290
[  414.380700][ T8305]  ? kernfs_path_from_node+0x2f/0x290
[  414.380725][ T8305]  sysfs_create_dir_ns+0x259/0x280
[  414.380748][ T8305]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  414.380771][ T8305]  ? do_raw_spin_unlock+0x122/0x240
[  414.380798][ T8305]  kobject_add_internal+0x59f/0xb40
[  414.380827][ T8305]  kobject_init_and_add+0x125/0x190
[  414.380853][ T8305]  ? __pfx_kobject_init_and_add+0x10/0x10
[  414.380876][ T8305]  ? __raw_spin_lock_init+0x45/0x100
[  414.380901][ T8305]  ? __init_swait_queue_head+0xa9/0x150
[  414.380928][ T8305]  gfs2_sys_fs_add+0x234/0x450
[  414.380958][ T8305]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  414.380982][ T8305]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  414.381017][ T8305]  gfs2_fill_super+0x13c0/0x20d0
[  414.381051][ T8305]  ? __pfx_gfs2_fill_super+0x10/0x10
[  414.381080][ T8305]  ? sb_set_blocksize+0x104/0x180
[  414.381111][ T8305]  ? setup_bdev_super+0x4c1/0x5b0
[  414.381140][ T8305]  get_tree_bdev_flags+0x40b/0x4d0
[  414.381169][ T8305]  ? __pfx_gfs2_fill_super+0x10/0x10
[  414.381195][ T8305]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  414.381228][ T8305]  gfs2_get_tree+0x51/0x1e0
[  414.381255][ T8305]  vfs_get_tree+0x8f/0x2b0
[  414.381284][ T8305]  do_new_mount+0x2a2/0xa30
[  414.381316][ T8305]  ? ns_capable+0x8a/0xf0
[  414.381335][ T8305]  ? __pfx_do_new_mount+0x10/0x10
[  414.381364][ T8305]  ? path_mount+0x61c/0xfe0
[  414.381392][ T8305]  ? user_path_at+0x44/0x60
[  414.381419][ T8305]  __se_sys_mount+0x317/0x410
[  414.381451][ T8305]  ? __pfx___se_sys_mount+0x10/0x10
[  414.381485][ T8305]  ? rcu_is_watching+0x15/0xb0
[  414.381505][ T8305]  ? __x64_sys_mount+0x20/0xc0
[  414.381536][ T8305]  do_syscall_64+0xfa/0x3b0
[  414.381557][ T8305]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  414.381578][ T8305]  ? clear_bhb_loop+0x60/0xb0
[  414.381601][ T8305]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  414.381622][ T8305] RIP: 0033:0x7fd5f7f9038a
[  414.381640][ T8305] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  414.381658][ T8305] RSP: 002b:00007fd5f8e4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  414.381681][ T8305] RAX: ffffffffffffffda RBX: 00007fd5f8e4fef0 RCX: 00007fd5f7f9038a
[  414.381698][ T8305] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd5f8e4feb0
[  414.381713][ T8305] RBP: 000020000001f680 R08: 00007fd5f8e4fef0 R09: 0000000000000084
[  414.381728][ T8305] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  414.381742][ T8305] R13: 00007fd5f8e4feb0 R14: 000000000001f790 R15: 00002000000001c0
[  414.381764][ T8305]  </TASK>
[  414.381786][ T8305] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  414.493278][ T8307] loop0: detected capacity change from 0 to 32768
[  414.727297][ T8305] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  414.779996][ T8309] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  414.787911][ T8309] CPU: 1 UID: 0 PID: 8309 Comm: syz.5.522 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  414.787942][ T8309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  414.787957][ T8309] Call Trace:
[  414.787965][ T8309]  <TASK>
[  414.787974][ T8309]  dump_stack_lvl+0x189/0x250
[  414.788007][ T8309]  ? __pfx_dump_stack_lvl+0x10/0x10
[  414.788032][ T8309]  ? __pfx__printk+0x10/0x10
[  414.788059][ T8309]  ? kernfs_root+0x1c/0x230
[  414.788084][ T8309]  ? kernfs_path_from_node+0x250/0x290
[  414.788106][ T8309]  ? kernfs_path_from_node+0x2f/0x290
[  414.788131][ T8309]  sysfs_create_dir_ns+0x259/0x280
[  414.788155][ T8309]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  414.788178][ T8309]  ? do_raw_spin_unlock+0x122/0x240
[  414.788207][ T8309]  kobject_add_internal+0x59f/0xb40
[  414.788235][ T8309]  kobject_init_and_add+0x125/0x190
[  414.788261][ T8309]  ? __pfx_kobject_init_and_add+0x10/0x10
[  414.788284][ T8309]  ? __raw_spin_lock_init+0x45/0x100
[  414.788310][ T8309]  ? __init_swait_queue_head+0xa9/0x150
[  414.788335][ T8309]  gfs2_sys_fs_add+0x234/0x450
[  414.788357][ T8309]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  414.788381][ T8309]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  414.788415][ T8309]  gfs2_fill_super+0x13c0/0x20d0
[  414.788450][ T8309]  ? __pfx_gfs2_fill_super+0x10/0x10
[  414.788479][ T8309]  ? sb_set_blocksize+0x104/0x180
[  414.788510][ T8309]  ? setup_bdev_super+0x4c1/0x5b0
[  414.788539][ T8309]  get_tree_bdev_flags+0x40b/0x4d0
[  414.788567][ T8309]  ? __pfx_gfs2_fill_super+0x10/0x10
[  414.788593][ T8309]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  414.788626][ T8309]  gfs2_get_tree+0x51/0x1e0
[  414.788654][ T8309]  vfs_get_tree+0x8f/0x2b0
[  414.788682][ T8309]  do_new_mount+0x2a2/0xa30
[  414.788714][ T8309]  ? ns_capable+0x8a/0xf0
[  414.788733][ T8309]  ? __pfx_do_new_mount+0x10/0x10
[  414.788763][ T8309]  ? path_mount+0x61c/0xfe0
[  414.788791][ T8309]  ? user_path_at+0x44/0x60
[  414.788819][ T8309]  __se_sys_mount+0x317/0x410
[  414.788853][ T8309]  ? __pfx___se_sys_mount+0x10/0x10
[  414.788886][ T8309]  ? rcu_is_watching+0x15/0xb0
[  414.788914][ T8309]  ? __x64_sys_mount+0x20/0xc0
[  414.788946][ T8309]  do_syscall_64+0xfa/0x3b0
[  414.788968][ T8309]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  414.788988][ T8309]  ? clear_bhb_loop+0x60/0xb0
[  414.789011][ T8309]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  414.789032][ T8309] RIP: 0033:0x7f79b0d9038a
[  414.789050][ T8309] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  414.789068][ T8309] RSP: 002b:00007f79b1b55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  414.789091][ T8309] RAX: ffffffffffffffda RBX: 00007f79b1b55ef0 RCX: 00007f79b0d9038a
[  414.789107][ T8309] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f79b1b55eb0
[  414.789122][ T8309] RBP: 000020000001f680 R08: 00007f79b1b55ef0 R09: 0000000000000084
[  414.789136][ T8309] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  414.789150][ T8309] R13: 00007f79b1b55eb0 R14: 000000000001f790 R15: 00002000000001c0
[  414.789173][ T8309]  </TASK>
[  414.789193][ T8309] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  415.070689][ T8307] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.074584][ T8309] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  415.122858][ T8307] CPU: 1 UID: 0 PID: 8307 Comm: syz.0.520 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  415.122899][ T8307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  415.122915][ T8307] Call Trace:
[  415.122923][ T8307]  <TASK>
[  415.122932][ T8307]  dump_stack_lvl+0x189/0x250
[  415.122964][ T8307]  ? __pfx_dump_stack_lvl+0x10/0x10
[  415.122989][ T8307]  ? __pfx__printk+0x10/0x10
[  415.123016][ T8307]  ? kernfs_root+0x1c/0x230
[  415.123041][ T8307]  ? kernfs_path_from_node+0x250/0x290
[  415.123064][ T8307]  ? kernfs_path_from_node+0x2f/0x290
[  415.123088][ T8307]  sysfs_create_dir_ns+0x259/0x280
[  415.123110][ T8307]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  415.123132][ T8307]  ? do_raw_spin_unlock+0x122/0x240
[  415.123160][ T8307]  kobject_add_internal+0x59f/0xb40
[  415.123188][ T8307]  kobject_init_and_add+0x125/0x190
[  415.123213][ T8307]  ? __pfx_kobject_init_and_add+0x10/0x10
[  415.123237][ T8307]  ? __raw_spin_lock_init+0x45/0x100
[  415.123262][ T8307]  ? __init_swait_queue_head+0xa9/0x150
[  415.123289][ T8307]  gfs2_sys_fs_add+0x234/0x450
[  415.123311][ T8307]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  415.123335][ T8307]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  415.123369][ T8307]  gfs2_fill_super+0x13c0/0x20d0
[  415.123403][ T8307]  ? __pfx_gfs2_fill_super+0x10/0x10
[  415.123432][ T8307]  ? sb_set_blocksize+0x104/0x180
[  415.123462][ T8307]  ? setup_bdev_super+0x4c1/0x5b0
[  415.123491][ T8307]  get_tree_bdev_flags+0x40b/0x4d0
[  415.123520][ T8307]  ? __pfx_gfs2_fill_super+0x10/0x10
[  415.123546][ T8307]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  415.123580][ T8307]  gfs2_get_tree+0x51/0x1e0
[  415.123607][ T8307]  vfs_get_tree+0x8f/0x2b0
[  415.123636][ T8307]  do_new_mount+0x2a2/0xa30
[  415.123668][ T8307]  ? ns_capable+0x8a/0xf0
[  415.123687][ T8307]  ? __pfx_do_new_mount+0x10/0x10
[  415.123716][ T8307]  ? path_mount+0x61c/0xfe0
[  415.123744][ T8307]  ? user_path_at+0x44/0x60
[  415.123771][ T8307]  __se_sys_mount+0x317/0x410
[  415.123805][ T8307]  ? __pfx___se_sys_mount+0x10/0x10
[  415.123838][ T8307]  ? rcu_is_watching+0x15/0xb0
[  415.123868][ T8307]  ? __x64_sys_mount+0x20/0xc0
[  415.123905][ T8307]  do_syscall_64+0xfa/0x3b0
[  415.123927][ T8307]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.123948][ T8307]  ? clear_bhb_loop+0x60/0xb0
[  415.123971][ T8307]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.123991][ T8307] RIP: 0033:0x7f552e99038a
[  415.124010][ T8307] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  415.124028][ T8307] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  415.124051][ T8307] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  415.124067][ T8307] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  415.124082][ T8307] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  415.124096][ T8307] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  415.124110][ T8307] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  415.124133][ T8307]  </TASK>
[  415.124153][ T8307] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  415.445274][ T8307] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  415.519353][ T8311] loop3: detected capacity change from 0 to 32768
[  415.583593][ T8311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.617679][ T8311] CPU: 0 UID: 0 PID: 8311 Comm: syz.3.523 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  415.617712][ T8311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  415.617727][ T8311] Call Trace:
[  415.617736][ T8311]  <TASK>
[  415.617745][ T8311]  dump_stack_lvl+0x189/0x250
[  415.617778][ T8311]  ? __pfx_dump_stack_lvl+0x10/0x10
[  415.617804][ T8311]  ? __pfx__printk+0x10/0x10
[  415.617831][ T8311]  ? kernfs_root+0x1c/0x230
[  415.617865][ T8311]  ? kernfs_path_from_node+0x250/0x290
[  415.617888][ T8311]  ? kernfs_path_from_node+0x2f/0x290
[  415.617913][ T8311]  sysfs_create_dir_ns+0x259/0x280
[  415.617937][ T8311]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  415.617960][ T8311]  ? do_raw_spin_unlock+0x122/0x240
[  415.617988][ T8311]  kobject_add_internal+0x59f/0xb40
[  415.618017][ T8311]  kobject_init_and_add+0x125/0x190
[  415.618043][ T8311]  ? __pfx_kobject_init_and_add+0x10/0x10
[  415.618066][ T8311]  ? __raw_spin_lock_init+0x45/0x100
[  415.618091][ T8311]  ? __init_swait_queue_head+0xa9/0x150
[  415.618119][ T8311]  gfs2_sys_fs_add+0x234/0x450
[  415.618141][ T8311]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  415.618165][ T8311]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  415.618203][ T8311]  gfs2_fill_super+0x13c0/0x20d0
[  415.618239][ T8311]  ? __pfx_gfs2_fill_super+0x10/0x10
[  415.618268][ T8311]  ? sb_set_blocksize+0x104/0x180
[  415.618298][ T8311]  ? setup_bdev_super+0x4c1/0x5b0
[  415.618328][ T8311]  get_tree_bdev_flags+0x40b/0x4d0
[  415.618356][ T8311]  ? __pfx_gfs2_fill_super+0x10/0x10
[  415.618383][ T8311]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  415.618416][ T8311]  gfs2_get_tree+0x51/0x1e0
[  415.618444][ T8311]  vfs_get_tree+0x8f/0x2b0
[  415.618473][ T8311]  do_new_mount+0x2a2/0xa30
[  415.618505][ T8311]  ? ns_capable+0x8a/0xf0
[  415.618524][ T8311]  ? __pfx_do_new_mount+0x10/0x10
[  415.618554][ T8311]  ? path_mount+0x61c/0xfe0
[  415.618582][ T8311]  ? user_path_at+0x44/0x60
[  415.618609][ T8311]  __se_sys_mount+0x317/0x410
[  415.618643][ T8311]  ? __pfx___se_sys_mount+0x10/0x10
[  415.618677][ T8311]  ? rcu_is_watching+0x15/0xb0
[  415.618696][ T8311]  ? __x64_sys_mount+0x20/0xc0
[  415.618729][ T8311]  do_syscall_64+0xfa/0x3b0
2025/08/16 05:31:29 executed programs: 518
[  415.618750][ T8311]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.618769][ T8311]  ? clear_bhb_loop+0x60/0xb0
[  415.618792][ T8311]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.618811][ T8311] RIP: 0033:0x7f71bc99038a
[  415.618829][ T8311] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  415.618852][ T8311] RSP: 002b:00007f71bd75fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  415.618870][ T8311] RAX: ffffffffffffffda RBX: 00007f71bd75fef0 RCX: 00007f71bc99038a
[  415.618884][ T8311] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f71bd75feb0
[  415.618896][ T8311] RBP: 000020000001f680 R08: 00007f71bd75fef0 R09: 0000000000000084
[  415.618908][ T8311] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  415.618919][ T8311] R13: 00007f71bd75feb0 R14: 000000000001f790 R15: 00002000000001c0
[  415.618938][ T8311]  </TASK>
[  415.619011][ T8311] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  415.844189][ T8318] loop1: detected capacity change from 0 to 32768
[  415.853805][ T8311] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  415.960701][ T8318] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  415.990937][ T8318] CPU: 0 UID: 0 PID: 8318 Comm: syz.1.524 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  415.990968][ T8318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  415.990982][ T8318] Call Trace:
[  415.990991][ T8318]  <TASK>
[  415.991000][ T8318]  dump_stack_lvl+0x189/0x250
[  415.991032][ T8318]  ? __pfx_dump_stack_lvl+0x10/0x10
[  415.991058][ T8318]  ? __pfx__printk+0x10/0x10
[  415.991084][ T8318]  ? kernfs_root+0x1c/0x230
[  415.991110][ T8318]  ? kernfs_path_from_node+0x250/0x290
[  415.991132][ T8318]  ? kernfs_path_from_node+0x2f/0x290
[  415.991156][ T8318]  sysfs_create_dir_ns+0x259/0x280
[  415.991181][ T8318]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  415.991204][ T8318]  ? do_raw_spin_unlock+0x122/0x240
[  415.991232][ T8318]  kobject_add_internal+0x59f/0xb40
[  415.991261][ T8318]  kobject_init_and_add+0x125/0x190
[  415.991287][ T8318]  ? __pfx_kobject_init_and_add+0x10/0x10
[  415.991310][ T8318]  ? __raw_spin_lock_init+0x45/0x100
[  415.991335][ T8318]  ? __init_swait_queue_head+0xa9/0x150
[  415.991363][ T8318]  gfs2_sys_fs_add+0x234/0x450
[  415.991385][ T8318]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  415.991409][ T8318]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  415.991443][ T8318]  gfs2_fill_super+0x13c0/0x20d0
[  415.991478][ T8318]  ? __pfx_gfs2_fill_super+0x10/0x10
[  415.991507][ T8318]  ? sb_set_blocksize+0x104/0x180
[  415.991538][ T8318]  ? setup_bdev_super+0x4c1/0x5b0
[  415.991567][ T8318]  get_tree_bdev_flags+0x40b/0x4d0
[  415.991596][ T8318]  ? __pfx_gfs2_fill_super+0x10/0x10
[  415.991623][ T8318]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  415.991655][ T8318]  gfs2_get_tree+0x51/0x1e0
[  415.991684][ T8318]  vfs_get_tree+0x8f/0x2b0
[  415.991712][ T8318]  do_new_mount+0x2a2/0xa30
[  415.991744][ T8318]  ? ns_capable+0x8a/0xf0
[  415.991764][ T8318]  ? __pfx_do_new_mount+0x10/0x10
[  415.991793][ T8318]  ? path_mount+0x61c/0xfe0
[  415.991830][ T8318]  ? user_path_at+0x44/0x60
[  415.991858][ T8318]  __se_sys_mount+0x317/0x410
[  415.991891][ T8318]  ? __pfx___se_sys_mount+0x10/0x10
[  415.991925][ T8318]  ? rcu_is_watching+0x15/0xb0
[  415.991945][ T8318]  ? __x64_sys_mount+0x20/0xc0
[  415.991976][ T8318]  do_syscall_64+0xfa/0x3b0
[  415.991998][ T8318]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.992018][ T8318]  ? clear_bhb_loop+0x60/0xb0
[  415.992041][ T8318]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.992061][ T8318] RIP: 0033:0x7fca00b9038a
[  415.992080][ T8318] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  415.992099][ T8318] RSP: 002b:00007fca019f9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  415.992122][ T8318] RAX: ffffffffffffffda RBX: 00007fca019f9ef0 RCX: 00007fca00b9038a
[  415.992138][ T8318] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fca019f9eb0
[  415.992154][ T8318] RBP: 000020000001f680 R08: 00007fca019f9ef0 R09: 0000000000000084
[  415.992168][ T8318] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  415.992183][ T8318] R13: 00007fca019f9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  415.992206][ T8318]  </TASK>
[  415.992226][ T8318] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  416.340439][ T8318] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  417.028607][ T8326] loop0: detected capacity change from 0 to 32768
[  417.076854][ T8326] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  417.114284][ T8326] CPU: 1 UID: 0 PID: 8326 Comm: syz.0.525 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  417.114316][ T8326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  417.114330][ T8326] Call Trace:
[  417.114339][ T8326]  <TASK>
[  417.114348][ T8326]  dump_stack_lvl+0x189/0x250
[  417.114380][ T8326]  ? __pfx_dump_stack_lvl+0x10/0x10
[  417.114406][ T8326]  ? __pfx__printk+0x10/0x10
[  417.114432][ T8326]  ? kernfs_root+0x1c/0x230
[  417.114458][ T8326]  ? kernfs_path_from_node+0x250/0x290
[  417.114480][ T8326]  ? kernfs_path_from_node+0x2f/0x290
[  417.114505][ T8326]  sysfs_create_dir_ns+0x259/0x280
[  417.114529][ T8326]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  417.114551][ T8326]  ? do_raw_spin_unlock+0x122/0x240
[  417.114580][ T8326]  kobject_add_internal+0x59f/0xb40
[  417.114608][ T8326]  kobject_init_and_add+0x125/0x190
[  417.114633][ T8326]  ? __pfx_kobject_init_and_add+0x10/0x10
[  417.114656][ T8326]  ? __raw_spin_lock_init+0x45/0x100
[  417.114681][ T8326]  ? __init_swait_queue_head+0xa9/0x150
[  417.114708][ T8326]  gfs2_sys_fs_add+0x234/0x450
[  417.114730][ T8326]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  417.114754][ T8326]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  417.114789][ T8326]  gfs2_fill_super+0x13c0/0x20d0
[  417.114825][ T8326]  ? __pfx_gfs2_fill_super+0x10/0x10
[  417.114854][ T8326]  ? sb_set_blocksize+0x104/0x180
[  417.114884][ T8326]  ? setup_bdev_super+0x4c1/0x5b0
[  417.114914][ T8326]  get_tree_bdev_flags+0x40b/0x4d0
[  417.114942][ T8326]  ? __pfx_gfs2_fill_super+0x10/0x10
[  417.114969][ T8326]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  417.115002][ T8326]  gfs2_get_tree+0x51/0x1e0
[  417.115030][ T8326]  vfs_get_tree+0x8f/0x2b0
[  417.115059][ T8326]  do_new_mount+0x2a2/0xa30
[  417.115098][ T8326]  ? ns_capable+0x8a/0xf0
[  417.115117][ T8326]  ? __pfx_do_new_mount+0x10/0x10
[  417.115147][ T8326]  ? path_mount+0x61c/0xfe0
[  417.115174][ T8326]  ? user_path_at+0x44/0x60
[  417.115202][ T8326]  __se_sys_mount+0x317/0x410
[  417.115236][ T8326]  ? __pfx___se_sys_mount+0x10/0x10
[  417.115270][ T8326]  ? rcu_is_watching+0x15/0xb0
[  417.115289][ T8326]  ? __x64_sys_mount+0x20/0xc0
[  417.115321][ T8326]  do_syscall_64+0xfa/0x3b0
[  417.115343][ T8326]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.115363][ T8326]  ? clear_bhb_loop+0x60/0xb0
[  417.115386][ T8326]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.115406][ T8326] RIP: 0033:0x7f552e99038a
[  417.115424][ T8326] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  417.115442][ T8326] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  417.115464][ T8326] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  417.115479][ T8326] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  417.115493][ T8326] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  417.115507][ T8326] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  417.115521][ T8326] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  417.115544][ T8326]  </TASK>
[  417.115565][ T8326] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  417.451195][ T8329] loop4: detected capacity change from 0 to 32768
[  417.461254][ T8326] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  417.487218][ T8329] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  417.552566][ T8329] CPU: 1 UID: 0 PID: 8329 Comm: syz.4.526 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  417.552600][ T8329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  417.552614][ T8329] Call Trace:
[  417.552623][ T8329]  <TASK>
[  417.552632][ T8329]  dump_stack_lvl+0x189/0x250
[  417.552665][ T8329]  ? __pfx_dump_stack_lvl+0x10/0x10
[  417.552690][ T8329]  ? __pfx__printk+0x10/0x10
[  417.552718][ T8329]  ? kernfs_root+0x1c/0x230
[  417.552750][ T8329]  ? kernfs_path_from_node+0x250/0x290
[  417.552772][ T8329]  ? kernfs_path_from_node+0x2f/0x290
[  417.552796][ T8329]  sysfs_create_dir_ns+0x259/0x280
[  417.552819][ T8329]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  417.552842][ T8329]  ? do_raw_spin_unlock+0x122/0x240
[  417.552870][ T8329]  kobject_add_internal+0x59f/0xb40
[  417.552899][ T8329]  kobject_init_and_add+0x125/0x190
[  417.552925][ T8329]  ? __pfx_kobject_init_and_add+0x10/0x10
[  417.552948][ T8329]  ? __raw_spin_lock_init+0x45/0x100
[  417.552975][ T8329]  ? __init_swait_queue_head+0xa9/0x150
[  417.553002][ T8329]  gfs2_sys_fs_add+0x234/0x450
[  417.553024][ T8329]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  417.553048][ T8329]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  417.553082][ T8329]  gfs2_fill_super+0x13c0/0x20d0
[  417.553124][ T8329]  ? __pfx_gfs2_fill_super+0x10/0x10
[  417.553153][ T8329]  ? sb_set_blocksize+0x104/0x180
[  417.553182][ T8329]  ? setup_bdev_super+0x4c1/0x5b0
[  417.553211][ T8329]  get_tree_bdev_flags+0x40b/0x4d0
[  417.553239][ T8329]  ? __pfx_gfs2_fill_super+0x10/0x10
[  417.553266][ T8329]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  417.553299][ T8329]  gfs2_get_tree+0x51/0x1e0
[  417.553327][ T8329]  vfs_get_tree+0x8f/0x2b0
[  417.553356][ T8329]  do_new_mount+0x2a2/0xa30
[  417.553389][ T8329]  ? ns_capable+0x8a/0xf0
[  417.553408][ T8329]  ? __pfx_do_new_mount+0x10/0x10
[  417.553438][ T8329]  ? path_mount+0x61c/0xfe0
[  417.553466][ T8329]  ? user_path_at+0x44/0x60
[  417.553494][ T8329]  __se_sys_mount+0x317/0x410
[  417.553528][ T8329]  ? __pfx___se_sys_mount+0x10/0x10
[  417.553560][ T8329]  ? rcu_is_watching+0x15/0xb0
[  417.553580][ T8329]  ? __x64_sys_mount+0x20/0xc0
[  417.553611][ T8329]  do_syscall_64+0xfa/0x3b0
[  417.553633][ T8329]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.553653][ T8329]  ? clear_bhb_loop+0x60/0xb0
[  417.553676][ T8329]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.553696][ T8329] RIP: 0033:0x7fd5f7f9038a
[  417.553714][ T8329] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  417.553733][ T8329] RSP: 002b:00007fd5f8e4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  417.553762][ T8329] RAX: ffffffffffffffda RBX: 00007fd5f8e4fef0 RCX: 00007fd5f7f9038a
[  417.553778][ T8329] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd5f8e4feb0
[  417.553792][ T8329] RBP: 000020000001f680 R08: 00007fd5f8e4fef0 R09: 0000000000000084
[  417.553806][ T8329] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  417.553820][ T8329] R13: 00007fd5f8e4feb0 R14: 000000000001f790 R15: 00002000000001c0
[  417.553842][ T8329]  </TASK>
[  417.553863][ T8329] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  417.691856][ T8331] loop5: detected capacity change from 0 to 32768
[  417.779394][ T8329] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  417.909923][ T8331] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  417.917623][ T8331] CPU: 0 UID: 0 PID: 8331 Comm: syz.5.527 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  417.917653][ T8331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  417.917667][ T8331] Call Trace:
[  417.917676][ T8331]  <TASK>
[  417.917685][ T8331]  dump_stack_lvl+0x189/0x250
[  417.917727][ T8331]  ? __pfx_dump_stack_lvl+0x10/0x10
[  417.917752][ T8331]  ? __pfx__printk+0x10/0x10
[  417.917779][ T8331]  ? kernfs_root+0x1c/0x230
[  417.917804][ T8331]  ? kernfs_path_from_node+0x250/0x290
[  417.917827][ T8331]  ? kernfs_path_from_node+0x2f/0x290
[  417.917851][ T8331]  sysfs_create_dir_ns+0x259/0x280
[  417.917874][ T8331]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  417.917897][ T8331]  ? do_raw_spin_unlock+0x122/0x240
[  417.917926][ T8331]  kobject_add_internal+0x59f/0xb40
[  417.917955][ T8331]  kobject_init_and_add+0x125/0x190
[  417.917980][ T8331]  ? __pfx_kobject_init_and_add+0x10/0x10
[  417.918004][ T8331]  ? __raw_spin_lock_init+0x45/0x100
[  417.918030][ T8331]  ? __init_swait_queue_head+0xa9/0x150
[  417.918056][ T8331]  gfs2_sys_fs_add+0x234/0x450
[  417.918078][ T8331]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  417.918102][ T8331]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  417.918136][ T8331]  gfs2_fill_super+0x13c0/0x20d0
[  417.918171][ T8331]  ? __pfx_gfs2_fill_super+0x10/0x10
[  417.918200][ T8331]  ? sb_set_blocksize+0x104/0x180
[  417.918231][ T8331]  ? setup_bdev_super+0x4c1/0x5b0
[  417.918261][ T8331]  get_tree_bdev_flags+0x40b/0x4d0
[  417.918289][ T8331]  ? __pfx_gfs2_fill_super+0x10/0x10
[  417.918315][ T8331]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  417.918349][ T8331]  gfs2_get_tree+0x51/0x1e0
[  417.918377][ T8331]  vfs_get_tree+0x8f/0x2b0
[  417.918405][ T8331]  do_new_mount+0x2a2/0xa30
[  417.918438][ T8331]  ? ns_capable+0x8a/0xf0
[  417.918457][ T8331]  ? __pfx_do_new_mount+0x10/0x10
[  417.918487][ T8331]  ? path_mount+0x61c/0xfe0
[  417.918515][ T8331]  ? user_path_at+0x44/0x60
[  417.918543][ T8331]  __se_sys_mount+0x317/0x410
[  417.918576][ T8331]  ? __pfx___se_sys_mount+0x10/0x10
[  417.918609][ T8331]  ? rcu_is_watching+0x15/0xb0
[  417.918627][ T8331]  ? __x64_sys_mount+0x20/0xc0
[  417.918658][ T8331]  do_syscall_64+0xfa/0x3b0
[  417.918680][ T8331]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.918699][ T8331]  ? clear_bhb_loop+0x60/0xb0
[  417.918729][ T8331]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.918748][ T8331] RIP: 0033:0x7f79b0d9038a
[  417.918767][ T8331] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  417.918785][ T8331] RSP: 002b:00007f79b1b55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  417.918808][ T8331] RAX: ffffffffffffffda RBX: 00007f79b1b55ef0 RCX: 00007f79b0d9038a
[  417.918823][ T8331] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f79b1b55eb0
[  417.918838][ T8331] RBP: 000020000001f680 R08: 00007f79b1b55ef0 R09: 0000000000000084
[  417.918852][ T8331] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  417.918865][ T8331] R13: 00007f79b1b55eb0 R14: 000000000001f790 R15: 00002000000001c0
[  417.918888][ T8331]  </TASK>
[  417.918908][ T8331] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  418.185462][ T8335] loop3: detected capacity change from 0 to 32768
[  418.260686][ T8331] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  418.307365][ T8334] loop1: detected capacity change from 0 to 32768
[  418.333123][ T8335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  418.341946][ T8335] CPU: 0 UID: 0 PID: 8335 Comm: syz.3.529 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  418.341974][ T8335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  418.341988][ T8335] Call Trace:
[  418.341996][ T8335]  <TASK>
[  418.342005][ T8335]  dump_stack_lvl+0x189/0x250
[  418.342035][ T8335]  ? __pfx_dump_stack_lvl+0x10/0x10
[  418.342059][ T8335]  ? __pfx__printk+0x10/0x10
[  418.342084][ T8335]  ? kernfs_root+0x1c/0x230
[  418.342109][ T8335]  ? kernfs_path_from_node+0x250/0x290
[  418.342132][ T8335]  ? kernfs_path_from_node+0x2f/0x290
[  418.342157][ T8335]  sysfs_create_dir_ns+0x259/0x280
[  418.342179][ T8335]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  418.342201][ T8335]  ? do_raw_spin_unlock+0x122/0x240
[  418.342228][ T8335]  kobject_add_internal+0x59f/0xb40
[  418.342255][ T8335]  kobject_init_and_add+0x125/0x190
[  418.342278][ T8335]  ? __pfx_kobject_init_and_add+0x10/0x10
[  418.342301][ T8335]  ? __raw_spin_lock_init+0x45/0x100
[  418.342325][ T8335]  ? __init_swait_queue_head+0xa9/0x150
[  418.342350][ T8335]  gfs2_sys_fs_add+0x234/0x450
[  418.342371][ T8335]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  418.342395][ T8335]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  418.342427][ T8335]  gfs2_fill_super+0x13c0/0x20d0
[  418.342459][ T8335]  ? __pfx_gfs2_fill_super+0x10/0x10
[  418.342486][ T8335]  ? sb_set_blocksize+0x104/0x180
[  418.342515][ T8335]  ? setup_bdev_super+0x4c1/0x5b0
[  418.342543][ T8335]  get_tree_bdev_flags+0x40b/0x4d0
[  418.342570][ T8335]  ? __pfx_gfs2_fill_super+0x10/0x10
[  418.342596][ T8335]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  418.342629][ T8335]  gfs2_get_tree+0x51/0x1e0
[  418.342655][ T8335]  vfs_get_tree+0x8f/0x2b0
[  418.342683][ T8335]  do_new_mount+0x2a2/0xa30
[  418.342722][ T8335]  ? ns_capable+0x8a/0xf0
[  418.342740][ T8335]  ? __pfx_do_new_mount+0x10/0x10
[  418.342768][ T8335]  ? path_mount+0x61c/0xfe0
[  418.342794][ T8335]  ? user_path_at+0x44/0x60
[  418.342821][ T8335]  __se_sys_mount+0x317/0x410
[  418.342852][ T8335]  ? __pfx___se_sys_mount+0x10/0x10
[  418.342884][ T8335]  ? rcu_is_watching+0x15/0xb0
[  418.342903][ T8335]  ? __x64_sys_mount+0x20/0xc0
[  418.342932][ T8335]  do_syscall_64+0xfa/0x3b0
[  418.342953][ T8335]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.342973][ T8335]  ? clear_bhb_loop+0x60/0xb0
[  418.342995][ T8335]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.343015][ T8335] RIP: 0033:0x7f71bc99038a
[  418.343034][ T8335] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  418.343051][ T8335] RSP: 002b:00007f71bd75fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  418.343074][ T8335] RAX: ffffffffffffffda RBX: 00007f71bd75fef0 RCX: 00007f71bc99038a
[  418.343089][ T8335] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f71bd75feb0
[  418.343105][ T8335] RBP: 000020000001f680 R08: 00007f71bd75fef0 R09: 0000000000000084
[  418.343119][ T8335] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  418.343132][ T8335] R13: 00007f71bd75feb0 R14: 000000000001f790 R15: 00002000000001c0
[  418.343155][ T8335]  </TASK>
[  418.343176][ T8335] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  418.710633][ T8334] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  418.740511][ T8334] CPU: 1 UID: 0 PID: 8334 Comm: syz.1.528 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  418.740541][ T8334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  418.740556][ T8334] Call Trace:
[  418.740564][ T8334]  <TASK>
[  418.740573][ T8334]  dump_stack_lvl+0x189/0x250
[  418.740606][ T8334]  ? __pfx_dump_stack_lvl+0x10/0x10
[  418.740630][ T8334]  ? __pfx__printk+0x10/0x10
[  418.740656][ T8334]  ? kernfs_root+0x1c/0x230
[  418.740681][ T8334]  ? kernfs_path_from_node+0x250/0x290
[  418.740703][ T8334]  ? kernfs_path_from_node+0x2f/0x290
[  418.740727][ T8334]  sysfs_create_dir_ns+0x259/0x280
[  418.740749][ T8334]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  418.740772][ T8334]  ? do_raw_spin_unlock+0x122/0x240
[  418.740799][ T8334]  kobject_add_internal+0x59f/0xb40
[  418.740828][ T8334]  kobject_init_and_add+0x125/0x190
[  418.740853][ T8334]  ? __pfx_kobject_init_and_add+0x10/0x10
[  418.740877][ T8334]  ? __raw_spin_lock_init+0x45/0x100
[  418.740910][ T8334]  ? __init_swait_queue_head+0xa9/0x150
[  418.740936][ T8334]  gfs2_sys_fs_add+0x234/0x450
[  418.740956][ T8334]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  418.740978][ T8334]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  418.741010][ T8334]  gfs2_fill_super+0x13c0/0x20d0
[  418.741044][ T8334]  ? __pfx_gfs2_fill_super+0x10/0x10
[  418.741070][ T8334]  ? sb_set_blocksize+0x104/0x180
[  418.741098][ T8334]  ? setup_bdev_super+0x4c1/0x5b0
[  418.741126][ T8334]  get_tree_bdev_flags+0x40b/0x4d0
[  418.741153][ T8334]  ? __pfx_gfs2_fill_super+0x10/0x10
[  418.741178][ T8334]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  418.741209][ T8334]  gfs2_get_tree+0x51/0x1e0
[  418.741236][ T8334]  vfs_get_tree+0x8f/0x2b0
[  418.741265][ T8334]  do_new_mount+0x2a2/0xa30
[  418.741298][ T8334]  ? ns_capable+0x8a/0xf0
[  418.741317][ T8334]  ? __pfx_do_new_mount+0x10/0x10
[  418.741345][ T8334]  ? path_mount+0x61c/0xfe0
[  418.741373][ T8334]  ? user_path_at+0x44/0x60
[  418.741400][ T8334]  __se_sys_mount+0x317/0x410
[  418.741434][ T8334]  ? __pfx___se_sys_mount+0x10/0x10
[  418.741467][ T8334]  ? rcu_is_watching+0x15/0xb0
[  418.741487][ T8334]  ? __x64_sys_mount+0x20/0xc0
[  418.741517][ T8334]  do_syscall_64+0xfa/0x3b0
[  418.741539][ T8334]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.741559][ T8334]  ? clear_bhb_loop+0x60/0xb0
[  418.741583][ T8334]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.741602][ T8334] RIP: 0033:0x7fca00b9038a
[  418.741619][ T8334] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  418.741637][ T8334] RSP: 002b:00007fca019f9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  418.741660][ T8334] RAX: ffffffffffffffda RBX: 00007fca019f9ef0 RCX: 00007fca00b9038a
[  418.741675][ T8334] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fca019f9eb0
[  418.741690][ T8334] RBP: 000020000001f680 R08: 00007fca019f9ef0 R09: 0000000000000084
[  418.741705][ T8334] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  418.741719][ T8334] R13: 00007fca019f9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  418.741741][ T8334]  </TASK>
[  418.741764][ T8334] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  419.064361][ T8335] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  419.216522][ T8341] loop0: detected capacity change from 0 to 32768
[  419.223167][ T8334] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  419.272875][ T8341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  419.355336][ T8341] CPU: 0 UID: 0 PID: 8341 Comm: syz.0.530 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  419.355368][ T8341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  419.355382][ T8341] Call Trace:
[  419.355391][ T8341]  <TASK>
[  419.355400][ T8341]  dump_stack_lvl+0x189/0x250
[  419.355431][ T8341]  ? __pfx_dump_stack_lvl+0x10/0x10
[  419.355456][ T8341]  ? __pfx__printk+0x10/0x10
[  419.355483][ T8341]  ? kernfs_root+0x1c/0x230
[  419.355509][ T8341]  ? kernfs_path_from_node+0x250/0x290
[  419.355532][ T8341]  ? kernfs_path_from_node+0x2f/0x290
[  419.355557][ T8341]  sysfs_create_dir_ns+0x259/0x280
[  419.355580][ T8341]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  419.355603][ T8341]  ? do_raw_spin_unlock+0x122/0x240
[  419.355632][ T8341]  kobject_add_internal+0x59f/0xb40
[  419.355661][ T8341]  kobject_init_and_add+0x125/0x190
[  419.355687][ T8341]  ? __pfx_kobject_init_and_add+0x10/0x10
[  419.355710][ T8341]  ? __raw_spin_lock_init+0x45/0x100
[  419.355736][ T8341]  ? __init_swait_queue_head+0xa9/0x150
[  419.355763][ T8341]  gfs2_sys_fs_add+0x234/0x450
[  419.355786][ T8341]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  419.355810][ T8341]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  419.355844][ T8341]  gfs2_fill_super+0x13c0/0x20d0
[  419.355880][ T8341]  ? __pfx_gfs2_fill_super+0x10/0x10
[  419.355909][ T8341]  ? sb_set_blocksize+0x104/0x180
[  419.355948][ T8341]  ? setup_bdev_super+0x4c1/0x5b0
[  419.355977][ T8341]  get_tree_bdev_flags+0x40b/0x4d0
[  419.356006][ T8341]  ? __pfx_gfs2_fill_super+0x10/0x10
[  419.356033][ T8341]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  419.356066][ T8341]  gfs2_get_tree+0x51/0x1e0
[  419.356094][ T8341]  vfs_get_tree+0x8f/0x2b0
[  419.356123][ T8341]  do_new_mount+0x2a2/0xa30
[  419.356156][ T8341]  ? ns_capable+0x8a/0xf0
[  419.356175][ T8341]  ? __pfx_do_new_mount+0x10/0x10
[  419.356205][ T8341]  ? path_mount+0x61c/0xfe0
[  419.356233][ T8341]  ? user_path_at+0x44/0x60
[  419.356261][ T8341]  __se_sys_mount+0x317/0x410
[  419.356295][ T8341]  ? __pfx___se_sys_mount+0x10/0x10
[  419.356328][ T8341]  ? rcu_is_watching+0x15/0xb0
[  419.356354][ T8341]  ? __x64_sys_mount+0x20/0xc0
[  419.356385][ T8341]  do_syscall_64+0xfa/0x3b0
[  419.356408][ T8341]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.356428][ T8341]  ? clear_bhb_loop+0x60/0xb0
[  419.356450][ T8341]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.356471][ T8341] RIP: 0033:0x7f552e99038a
[  419.356489][ T8341] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  419.356507][ T8341] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  419.356530][ T8341] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  419.356546][ T8341] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  419.356561][ T8341] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  419.356575][ T8341] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  419.356589][ T8341] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  419.356611][ T8341]  </TASK>
[  419.359987][ T8341] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  419.725275][ T8341] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  419.859971][ T8347] loop4: detected capacity change from 0 to 32768
[  419.916875][ T8347] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  419.940628][ T8347] CPU: 1 UID: 0 PID: 8347 Comm: syz.4.531 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  419.940659][ T8347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  419.940673][ T8347] Call Trace:
[  419.940682][ T8347]  <TASK>
[  419.940691][ T8347]  dump_stack_lvl+0x189/0x250
[  419.940724][ T8347]  ? __pfx_dump_stack_lvl+0x10/0x10
[  419.940749][ T8347]  ? __pfx__printk+0x10/0x10
[  419.940777][ T8347]  ? kernfs_root+0x1c/0x230
[  419.940802][ T8347]  ? kernfs_path_from_node+0x250/0x290
[  419.940824][ T8347]  ? kernfs_path_from_node+0x2f/0x290
[  419.940848][ T8347]  sysfs_create_dir_ns+0x259/0x280
[  419.940872][ T8347]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  419.940894][ T8347]  ? do_raw_spin_unlock+0x122/0x240
[  419.940923][ T8347]  kobject_add_internal+0x59f/0xb40
[  419.940951][ T8347]  kobject_init_and_add+0x125/0x190
[  419.940976][ T8347]  ? __pfx_kobject_init_and_add+0x10/0x10
[  419.940999][ T8347]  ? __raw_spin_lock_init+0x45/0x100
[  419.941025][ T8347]  ? __init_swait_queue_head+0xa9/0x150
[  419.941051][ T8347]  gfs2_sys_fs_add+0x234/0x450
[  419.941073][ T8347]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  419.941098][ T8347]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  419.941132][ T8347]  gfs2_fill_super+0x13c0/0x20d0
[  419.941167][ T8347]  ? __pfx_gfs2_fill_super+0x10/0x10
[  419.941196][ T8347]  ? sb_set_blocksize+0x104/0x180
[  419.941226][ T8347]  ? setup_bdev_super+0x4c1/0x5b0
[  419.941255][ T8347]  get_tree_bdev_flags+0x40b/0x4d0
[  419.941283][ T8347]  ? __pfx_gfs2_fill_super+0x10/0x10
[  419.941309][ T8347]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  419.941342][ T8347]  gfs2_get_tree+0x51/0x1e0
[  419.941370][ T8347]  vfs_get_tree+0x8f/0x2b0
[  419.941399][ T8347]  do_new_mount+0x2a2/0xa30
[  419.941432][ T8347]  ? ns_capable+0x8a/0xf0
[  419.941451][ T8347]  ? __pfx_do_new_mount+0x10/0x10
[  419.941480][ T8347]  ? path_mount+0x61c/0xfe0
[  419.941508][ T8347]  ? user_path_at+0x44/0x60
[  419.941536][ T8347]  __se_sys_mount+0x317/0x410
[  419.941569][ T8347]  ? __pfx___se_sys_mount+0x10/0x10
[  419.941638][ T8347]  ? rcu_is_watching+0x15/0xb0
[  419.941657][ T8347]  ? __x64_sys_mount+0x20/0xc0
[  419.941689][ T8347]  do_syscall_64+0xfa/0x3b0
[  419.941710][ T8347]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.941731][ T8347]  ? clear_bhb_loop+0x60/0xb0
[  419.941753][ T8347]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  419.941774][ T8347] RIP: 0033:0x7fd5f7f9038a
[  419.941793][ T8347] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  419.941811][ T8347] RSP: 002b:00007fd5f8e4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  419.941834][ T8347] RAX: ffffffffffffffda RBX: 00007fd5f8e4fef0 RCX: 00007fd5f7f9038a
[  419.941849][ T8347] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd5f8e4feb0
[  419.941863][ T8347] RBP: 000020000001f680 R08: 00007fd5f8e4fef0 R09: 0000000000000084
[  419.941877][ T8347] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  419.941891][ T8347] R13: 00007fd5f8e4feb0 R14: 000000000001f790 R15: 00002000000001c0
[  419.941913][ T8347]  </TASK>
[  419.941934][ T8347] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  420.285098][ T8351] loop5: detected capacity change from 0 to 32768
[  420.300665][ T8347] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  420.310852][ T8351] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  420.318280][ T8351] CPU: 1 UID: 0 PID: 8351 Comm: syz.5.532 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  420.318308][ T8351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  420.318321][ T8351] Call Trace:
[  420.318330][ T8351]  <TASK>
[  420.318339][ T8351]  dump_stack_lvl+0x189/0x250
[  420.318370][ T8351]  ? __pfx_dump_stack_lvl+0x10/0x10
[  420.318395][ T8351]  ? __pfx__printk+0x10/0x10
[  420.318422][ T8351]  ? kernfs_root+0x1c/0x230
[  420.318448][ T8351]  ? kernfs_path_from_node+0x250/0x290
[  420.318470][ T8351]  ? kernfs_path_from_node+0x2f/0x290
[  420.318495][ T8351]  sysfs_create_dir_ns+0x259/0x280
[  420.318518][ T8351]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  420.318541][ T8351]  ? do_raw_spin_unlock+0x122/0x240
[  420.318578][ T8351]  kobject_add_internal+0x59f/0xb40
[  420.318607][ T8351]  kobject_init_and_add+0x125/0x190
[  420.318632][ T8351]  ? __pfx_kobject_init_and_add+0x10/0x10
[  420.318655][ T8351]  ? __raw_spin_lock_init+0x45/0x100
[  420.318680][ T8351]  ? __init_swait_queue_head+0xa9/0x150
[  420.318706][ T8351]  gfs2_sys_fs_add+0x234/0x450
[  420.318728][ T8351]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  420.318757][ T8351]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  420.318790][ T8351]  gfs2_fill_super+0x13c0/0x20d0
[  420.318825][ T8351]  ? __pfx_gfs2_fill_super+0x10/0x10
[  420.318854][ T8351]  ? sb_set_blocksize+0x104/0x180
[  420.318885][ T8351]  ? setup_bdev_super+0x4c1/0x5b0
[  420.318914][ T8351]  get_tree_bdev_flags+0x40b/0x4d0
[  420.318941][ T8351]  ? __pfx_gfs2_fill_super+0x10/0x10
[  420.318965][ T8351]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  420.318996][ T8351]  gfs2_get_tree+0x51/0x1e0
[  420.319023][ T8351]  vfs_get_tree+0x8f/0x2b0
[  420.319052][ T8351]  do_new_mount+0x2a2/0xa30
[  420.319083][ T8351]  ? ns_capable+0x8a/0xf0
[  420.319102][ T8351]  ? __pfx_do_new_mount+0x10/0x10
[  420.319129][ T8351]  ? path_mount+0x61c/0xfe0
[  420.319156][ T8351]  ? user_path_at+0x44/0x60
[  420.319182][ T8351]  __se_sys_mount+0x317/0x410
[  420.319215][ T8351]  ? __pfx___se_sys_mount+0x10/0x10
[  420.319248][ T8351]  ? rcu_is_watching+0x15/0xb0
[  420.319267][ T8351]  ? __x64_sys_mount+0x20/0xc0
[  420.319296][ T8351]  do_syscall_64+0xfa/0x3b0
[  420.319317][ T8351]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.319338][ T8351]  ? clear_bhb_loop+0x60/0xb0
[  420.319362][ T8351]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.319382][ T8351] RIP: 0033:0x7f79b0d9038a
[  420.319400][ T8351] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  420.319418][ T8351] RSP: 002b:00007f79b1b55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  420.319440][ T8351] RAX: ffffffffffffffda RBX: 00007f79b1b55ef0 RCX: 00007f79b0d9038a
[  420.319456][ T8351] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f79b1b55eb0
[  420.319471][ T8351] RBP: 000020000001f680 R08: 00007f79b1b55ef0 R09: 0000000000000084
[  420.319485][ T8351] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  420.319499][ T8351] R13: 00007f79b1b55eb0 R14: 000000000001f790 R15: 00002000000001c0
[  420.319522][ T8351]  </TASK>
[  420.320911][ T8351] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  420.643229][ T8351] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/16 05:31:34 executed programs: 530
[  421.205644][ T8355] loop3: detected capacity change from 0 to 32768
[  421.244891][ T8355] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  421.260597][ T8355] CPU: 1 UID: 0 PID: 8355 Comm: syz.3.533 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  421.260631][ T8355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  421.260645][ T8355] Call Trace:
[  421.260654][ T8355]  <TASK>
[  421.260663][ T8355]  dump_stack_lvl+0x189/0x250
[  421.260696][ T8355]  ? __pfx_dump_stack_lvl+0x10/0x10
[  421.260722][ T8355]  ? __pfx__printk+0x10/0x10
[  421.260751][ T8355]  ? kernfs_root+0x1c/0x230
[  421.260776][ T8355]  ? kernfs_path_from_node+0x250/0x290
[  421.260799][ T8355]  ? kernfs_path_from_node+0x2f/0x290
[  421.260824][ T8355]  sysfs_create_dir_ns+0x259/0x280
[  421.260848][ T8355]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  421.260870][ T8355]  ? do_raw_spin_unlock+0x122/0x240
[  421.260899][ T8355]  kobject_add_internal+0x59f/0xb40
[  421.260933][ T8355]  kobject_init_and_add+0x125/0x190
[  421.260959][ T8355]  ? __pfx_kobject_init_and_add+0x10/0x10
[  421.260983][ T8355]  ? __raw_spin_lock_init+0x45/0x100
[  421.261009][ T8355]  ? __init_swait_queue_head+0xa9/0x150
[  421.261035][ T8355]  gfs2_sys_fs_add+0x234/0x450
[  421.261057][ T8355]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  421.261081][ T8355]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  421.261115][ T8355]  gfs2_fill_super+0x13c0/0x20d0
[  421.261149][ T8355]  ? __pfx_gfs2_fill_super+0x10/0x10
[  421.261178][ T8355]  ? sb_set_blocksize+0x104/0x180
[  421.261206][ T8355]  ? setup_bdev_super+0x4c1/0x5b0
[  421.261236][ T8355]  get_tree_bdev_flags+0x40b/0x4d0
[  421.261265][ T8355]  ? __pfx_gfs2_fill_super+0x10/0x10
[  421.261291][ T8355]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  421.261325][ T8355]  gfs2_get_tree+0x51/0x1e0
[  421.261353][ T8355]  vfs_get_tree+0x8f/0x2b0
[  421.261382][ T8355]  do_new_mount+0x2a2/0xa30
[  421.261414][ T8355]  ? ns_capable+0x8a/0xf0
[  421.261434][ T8355]  ? __pfx_do_new_mount+0x10/0x10
[  421.261463][ T8355]  ? path_mount+0x61c/0xfe0
[  421.261498][ T8355]  ? user_path_at+0x44/0x60
[  421.261527][ T8355]  __se_sys_mount+0x317/0x410
[  421.261560][ T8355]  ? __pfx___se_sys_mount+0x10/0x10
[  421.261594][ T8355]  ? rcu_is_watching+0x15/0xb0
[  421.261614][ T8355]  ? __x64_sys_mount+0x20/0xc0
[  421.261645][ T8355]  do_syscall_64+0xfa/0x3b0
[  421.261667][ T8355]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  421.261688][ T8355]  ? clear_bhb_loop+0x60/0xb0
[  421.261711][ T8355]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  421.261731][ T8355] RIP: 0033:0x7f71bc99038a
[  421.261750][ T8355] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  421.261768][ T8355] RSP: 002b:00007f71bd75fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  421.261791][ T8355] RAX: ffffffffffffffda RBX: 00007f71bd75fef0 RCX: 00007f71bc99038a
[  421.261807][ T8355] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f71bd75feb0
[  421.261822][ T8355] RBP: 000020000001f680 R08: 00007f71bd75fef0 R09: 0000000000000084
[  421.261837][ T8355] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  421.261851][ T8355] R13: 00007f71bd75feb0 R14: 000000000001f790 R15: 00002000000001c0
[  421.261873][ T8355]  </TASK>
[  421.261896][ T8355] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  421.304392][ T8359] loop1: detected capacity change from 0 to 32768
[  421.588954][ T8355] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  421.640370][ T8363] loop0: detected capacity change from 0 to 32768
[  421.645454][ T8359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  421.675501][ T8363] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  421.684827][ T8359] CPU: 0 UID: 0 PID: 8359 Comm: syz.1.534 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  421.684857][ T8359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  421.684871][ T8359] Call Trace:
[  421.684880][ T8359]  <TASK>
[  421.684889][ T8359]  dump_stack_lvl+0x189/0x250
[  421.684920][ T8359]  ? __pfx_dump_stack_lvl+0x10/0x10
[  421.684944][ T8359]  ? __pfx__printk+0x10/0x10
[  421.684971][ T8359]  ? kernfs_root+0x1c/0x230
[  421.684995][ T8359]  ? kernfs_path_from_node+0x250/0x290
[  421.685016][ T8359]  ? kernfs_path_from_node+0x2f/0x290
[  421.685039][ T8359]  sysfs_create_dir_ns+0x259/0x280
[  421.685062][ T8359]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  421.685083][ T8359]  ? do_raw_spin_unlock+0x122/0x240
[  421.685111][ T8359]  kobject_add_internal+0x59f/0xb40
[  421.685139][ T8359]  kobject_init_and_add+0x125/0x190
[  421.685165][ T8359]  ? __pfx_kobject_init_and_add+0x10/0x10
[  421.685188][ T8359]  ? __raw_spin_lock_init+0x45/0x100
[  421.685213][ T8359]  ? __init_swait_queue_head+0xa9/0x150
[  421.685240][ T8359]  gfs2_sys_fs_add+0x234/0x450
[  421.685262][ T8359]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  421.685286][ T8359]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  421.685320][ T8359]  gfs2_fill_super+0x13c0/0x20d0
[  421.685356][ T8359]  ? __pfx_gfs2_fill_super+0x10/0x10
[  421.685386][ T8359]  ? sb_set_blocksize+0x104/0x180
[  421.685416][ T8359]  ? setup_bdev_super+0x4c1/0x5b0
[  421.685446][ T8359]  get_tree_bdev_flags+0x40b/0x4d0
[  421.685484][ T8359]  ? __pfx_gfs2_fill_super+0x10/0x10
[  421.685510][ T8359]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  421.685544][ T8359]  gfs2_get_tree+0x51/0x1e0
[  421.685572][ T8359]  vfs_get_tree+0x8f/0x2b0
[  421.685601][ T8359]  do_new_mount+0x2a2/0xa30
[  421.685633][ T8359]  ? ns_capable+0x8a/0xf0
[  421.685652][ T8359]  ? __pfx_do_new_mount+0x10/0x10
[  421.685682][ T8359]  ? path_mount+0x61c/0xfe0
[  421.685709][ T8359]  ? user_path_at+0x44/0x60
[  421.685738][ T8359]  __se_sys_mount+0x317/0x410
[  421.685771][ T8359]  ? __pfx___se_sys_mount+0x10/0x10
[  421.685806][ T8359]  ? rcu_is_watching+0x15/0xb0
[  421.685826][ T8359]  ? __x64_sys_mount+0x20/0xc0
[  421.685858][ T8359]  do_syscall_64+0xfa/0x3b0
[  421.685880][ T8359]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  421.685900][ T8359]  ? clear_bhb_loop+0x60/0xb0
[  421.685923][ T8359]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  421.685944][ T8359] RIP: 0033:0x7fca00b9038a
[  421.685962][ T8359] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  421.685981][ T8359] RSP: 002b:00007fca019f9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  421.686003][ T8359] RAX: ffffffffffffffda RBX: 00007fca019f9ef0 RCX: 00007fca00b9038a
[  421.686019][ T8359] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fca019f9eb0
[  421.686034][ T8359] RBP: 000020000001f680 R08: 00007fca019f9ef0 R09: 0000000000000084
[  421.686049][ T8359] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  421.686062][ T8359] R13: 00007fca019f9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  421.686085][ T8359]  </TASK>
[  421.992073][ T8359] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  422.006750][ T8359] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  422.080514][ T8363] CPU: 1 UID: 0 PID: 8363 Comm: syz.0.535 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  422.080547][ T8363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  422.080562][ T8363] Call Trace:
[  422.080571][ T8363]  <TASK>
[  422.080580][ T8363]  dump_stack_lvl+0x189/0x250
[  422.080613][ T8363]  ? __pfx_dump_stack_lvl+0x10/0x10
[  422.080638][ T8363]  ? __pfx__printk+0x10/0x10
[  422.080667][ T8363]  ? kernfs_root+0x1c/0x230
[  422.080692][ T8363]  ? kernfs_path_from_node+0x250/0x290
[  422.080715][ T8363]  ? kernfs_path_from_node+0x2f/0x290
[  422.080740][ T8363]  sysfs_create_dir_ns+0x259/0x280
[  422.080764][ T8363]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  422.080791][ T8363]  ? do_raw_spin_unlock+0x122/0x240
[  422.080820][ T8363]  kobject_add_internal+0x59f/0xb40
[  422.080848][ T8363]  kobject_init_and_add+0x125/0x190
[  422.080875][ T8363]  ? __pfx_kobject_init_and_add+0x10/0x10
[  422.080899][ T8363]  ? __raw_spin_lock_init+0x45/0x100
[  422.080925][ T8363]  ? __init_swait_queue_head+0xa9/0x150
[  422.080952][ T8363]  gfs2_sys_fs_add+0x234/0x450
[  422.080975][ T8363]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  422.080999][ T8363]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  422.081033][ T8363]  gfs2_fill_super+0x13c0/0x20d0
[  422.081068][ T8363]  ? __pfx_gfs2_fill_super+0x10/0x10
[  422.081097][ T8363]  ? sb_set_blocksize+0x104/0x180
[  422.081128][ T8363]  ? setup_bdev_super+0x4c1/0x5b0
[  422.081158][ T8363]  get_tree_bdev_flags+0x40b/0x4d0
[  422.081187][ T8363]  ? __pfx_gfs2_fill_super+0x10/0x10
[  422.081214][ T8363]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  422.081249][ T8363]  gfs2_get_tree+0x51/0x1e0
[  422.081276][ T8363]  vfs_get_tree+0x8f/0x2b0
[  422.081305][ T8363]  do_new_mount+0x2a2/0xa30
[  422.081338][ T8363]  ? ns_capable+0x8a/0xf0
[  422.081357][ T8363]  ? __pfx_do_new_mount+0x10/0x10
[  422.081387][ T8363]  ? path_mount+0x61c/0xfe0
[  422.081423][ T8363]  ? user_path_at+0x44/0x60
[  422.081451][ T8363]  __se_sys_mount+0x317/0x410
[  422.081485][ T8363]  ? __pfx___se_sys_mount+0x10/0x10
[  422.081519][ T8363]  ? rcu_is_watching+0x15/0xb0
[  422.081539][ T8363]  ? __x64_sys_mount+0x20/0xc0
[  422.081570][ T8363]  do_syscall_64+0xfa/0x3b0
[  422.081591][ T8363]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.081613][ T8363]  ? clear_bhb_loop+0x60/0xb0
[  422.081636][ T8363]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.081656][ T8363] RIP: 0033:0x7f552e99038a
[  422.081675][ T8363] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  422.081693][ T8363] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  422.081716][ T8363] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  422.081732][ T8363] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  422.081747][ T8363] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  422.081762][ T8363] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  422.081777][ T8363] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  422.081800][ T8363]  </TASK>
[  422.081869][ T8363] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  422.187017][ T8367] loop5: detected capacity change from 0 to 32768
[  422.408786][ T8363] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  422.493558][ T8367] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  422.510482][ T8367] CPU: 1 UID: 0 PID: 8367 Comm: syz.5.537 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  422.510513][ T8367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  422.510527][ T8367] Call Trace:
[  422.510536][ T8367]  <TASK>
[  422.510545][ T8367]  dump_stack_lvl+0x189/0x250
[  422.510576][ T8367]  ? __pfx_dump_stack_lvl+0x10/0x10
[  422.510601][ T8367]  ? __pfx__printk+0x10/0x10
[  422.510628][ T8367]  ? kernfs_root+0x1c/0x230
[  422.510654][ T8367]  ? kernfs_path_from_node+0x250/0x290
[  422.510676][ T8367]  ? kernfs_path_from_node+0x2f/0x290
[  422.510700][ T8367]  sysfs_create_dir_ns+0x259/0x280
[  422.510723][ T8367]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  422.510745][ T8367]  ? do_raw_spin_unlock+0x122/0x240
[  422.510772][ T8367]  kobject_add_internal+0x59f/0xb40
[  422.510800][ T8367]  kobject_init_and_add+0x125/0x190
[  422.510823][ T8367]  ? __pfx_kobject_init_and_add+0x10/0x10
[  422.510846][ T8367]  ? __raw_spin_lock_init+0x45/0x100
[  422.510870][ T8367]  ? __init_swait_queue_head+0xa9/0x150
[  422.510897][ T8367]  gfs2_sys_fs_add+0x234/0x450
[  422.510919][ T8367]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  422.510943][ T8367]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  422.510976][ T8367]  gfs2_fill_super+0x13c0/0x20d0
[  422.511010][ T8367]  ? __pfx_gfs2_fill_super+0x10/0x10
[  422.511039][ T8367]  ? sb_set_blocksize+0x104/0x180
[  422.511070][ T8367]  ? setup_bdev_super+0x4c1/0x5b0
[  422.511099][ T8367]  get_tree_bdev_flags+0x40b/0x4d0
[  422.511126][ T8367]  ? __pfx_gfs2_fill_super+0x10/0x10
[  422.511152][ T8367]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  422.511183][ T8367]  gfs2_get_tree+0x51/0x1e0
[  422.511215][ T8367]  vfs_get_tree+0x8f/0x2b0
[  422.511242][ T8367]  do_new_mount+0x2a2/0xa30
[  422.511272][ T8367]  ? ns_capable+0x8a/0xf0
[  422.511290][ T8367]  ? __pfx_do_new_mount+0x10/0x10
[  422.511319][ T8367]  ? path_mount+0x61c/0xfe0
[  422.511344][ T8367]  ? user_path_at+0x44/0x60
[  422.511383][ T8367]  __se_sys_mount+0x317/0x410
[  422.511415][ T8367]  ? __pfx___se_sys_mount+0x10/0x10
[  422.511448][ T8367]  ? rcu_is_watching+0x15/0xb0
[  422.511467][ T8367]  ? __x64_sys_mount+0x20/0xc0
[  422.511497][ T8367]  do_syscall_64+0xfa/0x3b0
[  422.511519][ T8367]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.511537][ T8367]  ? clear_bhb_loop+0x60/0xb0
[  422.511557][ T8367]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.511577][ T8367] RIP: 0033:0x7f79b0d9038a
[  422.511597][ T8367] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  422.511614][ T8367] RSP: 002b:00007f79b1b55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  422.511636][ T8367] RAX: ffffffffffffffda RBX: 00007f79b1b55ef0 RCX: 00007f79b0d9038a
[  422.511651][ T8367] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f79b1b55eb0
[  422.511667][ T8367] RBP: 000020000001f680 R08: 00007f79b1b55ef0 R09: 0000000000000084
[  422.511681][ T8367] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  422.511695][ T8367] R13: 00007f79b1b55eb0 R14: 000000000001f790 R15: 00002000000001c0
[  422.511717][ T8367]  </TASK>
[  422.511868][ T8367] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  422.567141][ T8365] loop4: detected capacity change from 0 to 32768
[  422.670659][ T8367] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  422.854152][ T8365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  422.879363][ T8365] CPU: 0 UID: 0 PID: 8365 Comm: syz.4.536 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  422.879396][ T8365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  422.879410][ T8365] Call Trace:
[  422.879419][ T8365]  <TASK>
[  422.879428][ T8365]  dump_stack_lvl+0x189/0x250
[  422.879461][ T8365]  ? __pfx_dump_stack_lvl+0x10/0x10
[  422.879486][ T8365]  ? __pfx__printk+0x10/0x10
[  422.879513][ T8365]  ? kernfs_root+0x1c/0x230
[  422.879538][ T8365]  ? kernfs_path_from_node+0x250/0x290
[  422.879559][ T8365]  ? kernfs_path_from_node+0x2f/0x290
[  422.879585][ T8365]  sysfs_create_dir_ns+0x259/0x280
[  422.879608][ T8365]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  422.879637][ T8365]  ? do_raw_spin_unlock+0x122/0x240
[  422.879666][ T8365]  kobject_add_internal+0x59f/0xb40
[  422.879695][ T8365]  kobject_init_and_add+0x125/0x190
[  422.879720][ T8365]  ? __pfx_kobject_init_and_add+0x10/0x10
[  422.879743][ T8365]  ? __raw_spin_lock_init+0x45/0x100
[  422.879769][ T8365]  ? __init_swait_queue_head+0xa9/0x150
[  422.879795][ T8365]  gfs2_sys_fs_add+0x234/0x450
[  422.879818][ T8365]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  422.879842][ T8365]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  422.879877][ T8365]  gfs2_fill_super+0x13c0/0x20d0
[  422.879912][ T8365]  ? __pfx_gfs2_fill_super+0x10/0x10
[  422.879941][ T8365]  ? sb_set_blocksize+0x104/0x180
[  422.879972][ T8365]  ? setup_bdev_super+0x4c1/0x5b0
[  422.880002][ T8365]  get_tree_bdev_flags+0x40b/0x4d0
[  422.880030][ T8365]  ? __pfx_gfs2_fill_super+0x10/0x10
[  422.880056][ T8365]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  422.880089][ T8365]  gfs2_get_tree+0x51/0x1e0
[  422.880117][ T8365]  vfs_get_tree+0x8f/0x2b0
[  422.880146][ T8365]  do_new_mount+0x2a2/0xa30
[  422.880178][ T8365]  ? ns_capable+0x8a/0xf0
[  422.880197][ T8365]  ? __pfx_do_new_mount+0x10/0x10
[  422.880227][ T8365]  ? path_mount+0x61c/0xfe0
[  422.880255][ T8365]  ? user_path_at+0x44/0x60
[  422.880282][ T8365]  __se_sys_mount+0x317/0x410
[  422.880317][ T8365]  ? __pfx___se_sys_mount+0x10/0x10
[  422.880350][ T8365]  ? rcu_is_watching+0x15/0xb0
[  422.880371][ T8365]  ? __x64_sys_mount+0x20/0xc0
[  422.880406][ T8365]  do_syscall_64+0xfa/0x3b0
[  422.880427][ T8365]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.880447][ T8365]  ? clear_bhb_loop+0x60/0xb0
[  422.880470][ T8365]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.880490][ T8365] RIP: 0033:0x7fd5f7f9038a
[  422.880509][ T8365] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  422.880527][ T8365] RSP: 002b:00007fd5f8e4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  422.880550][ T8365] RAX: ffffffffffffffda RBX: 00007fd5f8e4fef0 RCX: 00007fd5f7f9038a
[  422.880566][ T8365] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd5f8e4feb0
[  422.880581][ T8365] RBP: 000020000001f680 R08: 00007fd5f8e4fef0 R09: 0000000000000084
[  422.880595][ T8365] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  422.880609][ T8365] R13: 00007fd5f8e4feb0 R14: 000000000001f790 R15: 00002000000001c0
[  422.880638][ T8365]  </TASK>
[  423.280563][ T8365] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  423.357012][ T8365] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  423.452803][ T8381] loop0: detected capacity change from 0 to 32768
[  423.473569][ T8381] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  423.482515][ T8381] CPU: 0 UID: 0 PID: 8381 Comm: syz.0.539 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  423.482551][ T8381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  423.482565][ T8381] Call Trace:
[  423.482581][ T8381]  <TASK>
[  423.482590][ T8381]  dump_stack_lvl+0x189/0x250
[  423.482623][ T8381]  ? __pfx_dump_stack_lvl+0x10/0x10
[  423.482648][ T8381]  ? __pfx__printk+0x10/0x10
[  423.482675][ T8381]  ? kernfs_root+0x1c/0x230
[  423.482700][ T8381]  ? kernfs_path_from_node+0x250/0x290
[  423.482722][ T8381]  ? kernfs_path_from_node+0x2f/0x290
[  423.482748][ T8381]  sysfs_create_dir_ns+0x259/0x280
[  423.482771][ T8381]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  423.482794][ T8381]  ? do_raw_spin_unlock+0x122/0x240
[  423.482822][ T8381]  kobject_add_internal+0x59f/0xb40
[  423.482851][ T8381]  kobject_init_and_add+0x125/0x190
[  423.482876][ T8381]  ? __pfx_kobject_init_and_add+0x10/0x10
[  423.482899][ T8381]  ? __raw_spin_lock_init+0x45/0x100
[  423.482925][ T8381]  ? __init_swait_queue_head+0xa9/0x150
[  423.482951][ T8381]  gfs2_sys_fs_add+0x234/0x450
[  423.482973][ T8381]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  423.482998][ T8381]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  423.483033][ T8381]  gfs2_fill_super+0x13c0/0x20d0
[  423.483068][ T8381]  ? __pfx_gfs2_fill_super+0x10/0x10
[  423.483097][ T8381]  ? sb_set_blocksize+0x104/0x180
[  423.483129][ T8381]  ? setup_bdev_super+0x4c1/0x5b0
[  423.483157][ T8381]  get_tree_bdev_flags+0x40b/0x4d0
[  423.483186][ T8381]  ? __pfx_gfs2_fill_super+0x10/0x10
[  423.483212][ T8381]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  423.483246][ T8381]  gfs2_get_tree+0x51/0x1e0
[  423.483274][ T8381]  vfs_get_tree+0x8f/0x2b0
[  423.483302][ T8381]  do_new_mount+0x2a2/0xa30
[  423.483334][ T8381]  ? ns_capable+0x8a/0xf0
[  423.483355][ T8381]  ? __pfx_do_new_mount+0x10/0x10
[  423.483384][ T8381]  ? path_mount+0x61c/0xfe0
[  423.483412][ T8381]  ? user_path_at+0x44/0x60
[  423.483439][ T8381]  __se_sys_mount+0x317/0x410
[  423.483473][ T8381]  ? __pfx___se_sys_mount+0x10/0x10
[  423.483506][ T8381]  ? rcu_is_watching+0x15/0xb0
[  423.483527][ T8381]  ? __x64_sys_mount+0x20/0xc0
[  423.483558][ T8381]  do_syscall_64+0xfa/0x3b0
[  423.483590][ T8381]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.483610][ T8381]  ? clear_bhb_loop+0x60/0xb0
[  423.483634][ T8381]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.483654][ T8381] RIP: 0033:0x7f552e99038a
[  423.483672][ T8381] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  423.483691][ T8381] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  423.483714][ T8381] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  423.483729][ T8381] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  423.483744][ T8381] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  423.483759][ T8381] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  423.483773][ T8381] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  423.483795][ T8381]  </TASK>
[  423.483862][ T8381] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  423.650943][   T31] INFO: task syz.2.249:7180 blocked for more than 143 seconds.
[  423.690449][ T8381] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  423.762575][   T31]       Not tainted 6.17.0-rc1-next-20250814-syzkaller #0
[  423.870337][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  423.879163][   T31] task:syz.2.249       state:D stack:25224 pid:7180  tgid:7177  ppid:5999   task_flags:0x400140 flags:0x00004006
[  423.970431][   T31] Call Trace:
[  423.973775][   T31]  <TASK>
[  424.070451][   T31]  __schedule+0x1798/0x4cc0
[  424.075060][   T31]  ? is_bpf_text_address+0x26/0x2b0
[  424.080305][   T31]  ? kernel_text_address+0xa5/0xe0
[  424.093516][ T8376] loop3: detected capacity change from 0 to 32768
[  424.130469][   T31]  ? rcu_is_watching+0x15/0xb0
[  424.135305][   T31]  ? __pfx___schedule+0x10/0x10
[  424.140212][   T31]  ? schedule+0x91/0x360
[  424.172339][   T31]  ? rcu_is_watching+0x15/0xb0
[  424.180803][   T31]  ? rcu_is_watching+0x15/0xb0
[  424.185711][   T31]  ? lock_release+0x4b/0x3e0
[  424.190339][   T31]  ? __pfx___might_resched+0x10/0x10
[  424.239366][ T8376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  424.264995][   T31]  ? folio_mark_accessed+0x341/0x8b0
[  424.270668][ T8376] CPU: 0 UID: 0 PID: 8376 Comm: syz.3.538 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  424.270698][ T8376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  424.270712][ T8376] Call Trace:
[  424.270719][ T8376]  <TASK>
[  424.270728][ T8376]  dump_stack_lvl+0x189/0x250
[  424.270758][ T8376]  ? __pfx_dump_stack_lvl+0x10/0x10
[  424.270782][ T8376]  ? __pfx__printk+0x10/0x10
[  424.270808][ T8376]  ? kernfs_root+0x1c/0x230
[  424.270832][ T8376]  ? kernfs_path_from_node+0x250/0x290
[  424.270853][ T8376]  ? kernfs_path_from_node+0x2f/0x290
[  424.270877][ T8376]  sysfs_create_dir_ns+0x259/0x280
[  424.270899][ T8376]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  424.270920][ T8376]  ? do_raw_spin_unlock+0x122/0x240
[  424.270945][ T8376]  kobject_add_internal+0x59f/0xb40
[  424.270972][ T8376]  kobject_init_and_add+0x125/0x190
[  424.270995][ T8376]  ? __pfx_kobject_init_and_add+0x10/0x10
[  424.271018][ T8376]  ? __raw_spin_lock_init+0x45/0x100
[  424.271043][ T8376]  ? __init_swait_queue_head+0xa9/0x150
[  424.271068][ T8376]  gfs2_sys_fs_add+0x234/0x450
[  424.271089][ T8376]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  424.271112][ T8376]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  424.271144][ T8376]  gfs2_fill_super+0x13c0/0x20d0
[  424.271179][ T8376]  ? __pfx_gfs2_fill_super+0x10/0x10
[  424.271206][ T8376]  ? sb_set_blocksize+0x104/0x180
[  424.271236][ T8376]  ? setup_bdev_super+0x4c1/0x5b0
[  424.271265][ T8376]  get_tree_bdev_flags+0x40b/0x4d0
[  424.271292][ T8376]  ? __pfx_gfs2_fill_super+0x10/0x10
[  424.271316][ T8376]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  424.271348][ T8376]  gfs2_get_tree+0x51/0x1e0
[  424.271376][ T8376]  vfs_get_tree+0x8f/0x2b0
[  424.271404][ T8376]  do_new_mount+0x2a2/0xa30
[  424.271435][ T8376]  ? ns_capable+0x8a/0xf0
[  424.271455][ T8376]  ? __pfx_do_new_mount+0x10/0x10
[  424.271484][ T8376]  ? path_mount+0x61c/0xfe0
[  424.271512][ T8376]  ? user_path_at+0x44/0x60
[  424.271539][ T8376]  __se_sys_mount+0x317/0x410
[  424.271585][ T8376]  ? __pfx___se_sys_mount+0x10/0x10
[  424.271618][ T8376]  ? rcu_is_watching+0x15/0xb0
[  424.271658][ T8376]  ? __x64_sys_mount+0x20/0xc0
[  424.271689][ T8376]  do_syscall_64+0xfa/0x3b0
[  424.271711][ T8376]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  424.271730][ T8376]  ? clear_bhb_loop+0x60/0xb0
[  424.271753][ T8376]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  424.271773][ T8376] RIP: 0033:0x7f71bc99038a
[  424.271791][ T8376] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  424.271811][ T8376] RSP: 002b:00007f71bd75fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  424.271834][ T8376] RAX: ffffffffffffffda RBX: 00007f71bd75fef0 RCX: 00007f71bc99038a
[  424.271849][ T8376] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f71bd75feb0
[  424.271864][ T8376] RBP: 000020000001f680 R08: 00007f71bd75fef0 R09: 0000000000000084
[  424.271878][ T8376] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  424.271891][ T8376] R13: 00007f71bd75feb0 R14: 000000000001f790 R15: 00002000000001c0
[  424.271914][ T8376]  </TASK>
[  424.271936][ T8376] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  424.279747][   T31]  schedule+0x165/0x360
[  424.377217][ T8376] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  424.385606][   T31]  io_schedule+0x80/0xd0
[  424.820279][   T31]  __gfs2_log_reserve+0x208/0x400
[  424.840533][   T31]  ? __pfx___gfs2_log_reserve+0x10/0x10
[  424.873902][   T31]  ? __up_read+0x280/0x680
[  424.893845][   T31]  ? __pfx_autoremove_wake_function+0x10/0x10
[  424.900008][   T31]  ? gfs2_log_reserve+0x8c/0x1a0
[  424.951209][   T31]  __gfs2_trans_begin+0x549/0x890
[  424.956323][   T31]  ? __pfx___gfs2_trans_begin+0x10/0x10
[  424.984848][   T31]  ? rcu_is_watching+0x15/0xb0
[  424.999849][   T31]  ? trace_kmem_cache_alloc+0x1f/0xc0
[  425.007654][   T31]  ? kmem_cache_alloc_noprof+0x21a/0x3c0
[  425.023523][   T31]  ? gfs2_trans_begin+0x52/0xe0
[  425.038708][   T31]  gfs2_trans_begin+0x6f/0xe0
[  425.045601][   T31]  punch_hole+0x1e92/0x2ca0
[  425.071514][   T31]  ? __pfx_punch_hole+0x10/0x10
[  425.086830][   T31]  ? gfs2_iomap_end+0x4f8/0x6c0
[  425.098121][ T8386] loop1: detected capacity change from 0 to 32768
[  425.112231][   T31]  ? lockref_put_or_lock+0x71/0xc0
[  425.128223][   T31]  ? truncate_pagecache_range+0x87/0xb0
[  425.141941][   T31]  gfs2_iomap_end+0x4f8/0x6c0
[  425.146707][   T31]  iomap_iter+0x313/0xde0
[  425.156726][ T8386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  425.175632][   T31]  ? __pfx_gfs2_iomap_end+0x10/0x10
[  425.187379][ T8387] loop4: detected capacity change from 0 to 32768
[  425.189666][ T8386] CPU: 0 UID: 0 PID: 8386 Comm: syz.1.540 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  425.189700][ T8386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  425.189717][ T8386] Call Trace:
[  425.189726][ T8386]  <TASK>
[  425.189737][ T8386]  dump_stack_lvl+0x189/0x250
[  425.189773][ T8386]  ? __pfx_dump_stack_lvl+0x10/0x10
[  425.189801][ T8386]  ? __pfx__printk+0x10/0x10
[  425.189831][ T8386]  ? kernfs_root+0x1c/0x230
[  425.189859][ T8386]  ? kernfs_path_from_node+0x250/0x290
[  425.189885][ T8386]  ? kernfs_path_from_node+0x2f/0x290
[  425.189912][ T8386]  sysfs_create_dir_ns+0x259/0x280
[  425.189939][ T8386]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  425.189965][ T8386]  ? do_raw_spin_unlock+0x122/0x240
[  425.189997][ T8386]  kobject_add_internal+0x59f/0xb40
[  425.190029][ T8386]  kobject_init_and_add+0x125/0x190
[  425.190058][ T8386]  ? __pfx_kobject_init_and_add+0x10/0x10
[  425.190084][ T8386]  ? __raw_spin_lock_init+0x45/0x100
[  425.190114][ T8386]  ? __init_swait_queue_head+0xa9/0x150
[  425.190143][ T8386]  gfs2_sys_fs_add+0x234/0x450
[  425.190169][ T8386]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  425.190196][ T8386]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  425.190234][ T8386]  gfs2_fill_super+0x13c0/0x20d0
[  425.190283][ T8386]  ? __pfx_gfs2_fill_super+0x10/0x10
[  425.190316][ T8386]  ? sb_set_blocksize+0x104/0x180
[  425.190351][ T8386]  ? setup_bdev_super+0x4c1/0x5b0
[  425.190393][ T8386]  get_tree_bdev_flags+0x40b/0x4d0
[  425.190426][ T8386]  ? __pfx_gfs2_fill_super+0x10/0x10
[  425.190457][ T8386]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  425.190495][ T8386]  gfs2_get_tree+0x51/0x1e0
[  425.190526][ T8386]  vfs_get_tree+0x8f/0x2b0
[  425.190558][ T8386]  do_new_mount+0x2a2/0xa30
[  425.190595][ T8386]  ? ns_capable+0x8a/0xf0
[  425.190616][ T8386]  ? __pfx_do_new_mount+0x10/0x10
[  425.190650][ T8386]  ? path_mount+0x61c/0xfe0
[  425.190681][ T8386]  ? user_path_at+0x44/0x60
[  425.190714][ T8386]  __se_sys_mount+0x317/0x410
[  425.190752][ T8386]  ? __pfx___se_sys_mount+0x10/0x10
[  425.190789][ T8386]  ? rcu_is_watching+0x15/0xb0
[  425.190812][ T8386]  ? __x64_sys_mount+0x20/0xc0
[  425.190848][ T8386]  do_syscall_64+0xfa/0x3b0
[  425.190872][ T8386]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.190896][ T8386]  ? clear_bhb_loop+0x60/0xb0
[  425.190922][ T8386]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.190944][ T8386] RIP: 0033:0x7fca00b9038a
[  425.190966][ T8386] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  425.190987][ T8386] RSP: 002b:00007fca019f9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  425.191014][ T8386] RAX: ffffffffffffffda RBX: 00007fca019f9ef0 RCX: 00007fca00b9038a
[  425.191032][ T8386] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fca019f9eb0
[  425.191048][ T8386] RBP: 000020000001f680 R08: 00007fca019f9ef0 R09: 0000000000000084
[  425.191063][ T8386] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  425.191079][ T8386] R13: 00007fca019f9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  425.191105][ T8386]  </TASK>
[  425.198637][ T8386] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  425.205629][   T31]  iomap_file_buffered_write+0x7fa/0x9b0
[  425.519067][ T8386] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  425.536802][ T8387] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  425.552328][ T8387] CPU: 0 UID: 0 PID: 8387 Comm: syz.4.541 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  425.552358][ T8387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  425.552372][ T8387] Call Trace:
[  425.552381][ T8387]  <TASK>
[  425.552390][ T8387]  dump_stack_lvl+0x189/0x250
[  425.552422][ T8387]  ? __pfx_dump_stack_lvl+0x10/0x10
[  425.552455][ T8387]  ? __pfx__printk+0x10/0x10
[  425.552482][ T8387]  ? kernfs_root+0x1c/0x230
[  425.552507][ T8387]  ? kernfs_path_from_node+0x250/0x290
[  425.552530][ T8387]  ? kernfs_path_from_node+0x2f/0x290
[  425.552554][ T8387]  sysfs_create_dir_ns+0x259/0x280
[  425.552578][ T8387]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  425.552601][ T8387]  ? do_raw_spin_unlock+0x122/0x240
[  425.552630][ T8387]  kobject_add_internal+0x59f/0xb40
[  425.552659][ T8387]  kobject_init_and_add+0x125/0x190
[  425.552685][ T8387]  ? __pfx_kobject_init_and_add+0x10/0x10
[  425.552708][ T8387]  ? __raw_spin_lock_init+0x45/0x100
[  425.552734][ T8387]  ? __init_swait_queue_head+0xa9/0x150
[  425.552760][ T8387]  gfs2_sys_fs_add+0x234/0x450
[  425.552782][ T8387]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  425.552807][ T8387]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  425.552842][ T8387]  gfs2_fill_super+0x13c0/0x20d0
[  425.552877][ T8387]  ? __pfx_gfs2_fill_super+0x10/0x10
[  425.552905][ T8387]  ? sb_set_blocksize+0x104/0x180
[  425.552935][ T8387]  ? setup_bdev_super+0x4c1/0x5b0
[  425.552965][ T8387]  get_tree_bdev_flags+0x40b/0x4d0
[  425.552994][ T8387]  ? __pfx_gfs2_fill_super+0x10/0x10
[  425.553021][ T8387]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  425.553054][ T8387]  gfs2_get_tree+0x51/0x1e0
[  425.553082][ T8387]  vfs_get_tree+0x8f/0x2b0
[  425.553112][ T8387]  do_new_mount+0x2a2/0xa30
[  425.553144][ T8387]  ? ns_capable+0x8a/0xf0
[  425.553164][ T8387]  ? __pfx_do_new_mount+0x10/0x10
[  425.553194][ T8387]  ? path_mount+0x61c/0xfe0
[  425.553222][ T8387]  ? user_path_at+0x44/0x60
[  425.553250][ T8387]  __se_sys_mount+0x317/0x410
[  425.553284][ T8387]  ? __pfx___se_sys_mount+0x10/0x10
[  425.553317][ T8387]  ? rcu_is_watching+0x15/0xb0
[  425.553337][ T8387]  ? __x64_sys_mount+0x20/0xc0
[  425.553369][ T8387]  do_syscall_64+0xfa/0x3b0
[  425.553391][ T8387]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.553413][ T8387]  ? clear_bhb_loop+0x60/0xb0
[  425.553436][ T8387]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.553463][ T8387] RIP: 0033:0x7fd5f7f9038a
[  425.553481][ T8387] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  425.553501][ T8387] RSP: 002b:00007fd5f8e4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  425.553523][ T8387] RAX: ffffffffffffffda RBX: 00007fd5f8e4fef0 RCX: 00007fd5f7f9038a
[  425.553539][ T8387] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd5f8e4feb0
[  425.553553][ T8387] RBP: 000020000001f680 R08: 00007fd5f8e4fef0 R09: 0000000000000084
[  425.553566][ T8387] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  425.553580][ T8387] R13: 00007fd5f8e4feb0 R14: 000000000001f790 R15: 00002000000001c0
[  425.553602][ T8387]  </TASK>
[  425.553624][ T8387] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  425.565333][   T31]  ? __pfx_iomap_file_buffered_write+0x10/0x10
[  425.637956][ T8391] loop0: detected capacity change from 0 to 32768
[  425.647831][   T31]  ? inode_dio_wait+0x19e/0x240
[  425.689083][ T8387] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  425.694841][   T31]  ? inode_go_held+0xf8/0x200
[  425.920918][ T8391] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  425.970471][ T8391] CPU: 1 UID: 0 PID: 8391 Comm: syz.0.542 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  425.970503][ T8391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  425.970516][ T8391] Call Trace:
[  425.970524][ T8391]  <TASK>
[  425.970532][ T8391]  dump_stack_lvl+0x189/0x250
[  425.970564][ T8391]  ? __pfx_dump_stack_lvl+0x10/0x10
[  425.970589][ T8391]  ? __pfx__printk+0x10/0x10
[  425.970614][ T8391]  ? kernfs_root+0x1c/0x230
[  425.970639][ T8391]  ? kernfs_path_from_node+0x250/0x290
[  425.970662][ T8391]  ? kernfs_path_from_node+0x2f/0x290
[  425.970687][ T8391]  sysfs_create_dir_ns+0x259/0x280
[  425.970710][ T8391]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  425.970733][ T8391]  ? do_raw_spin_unlock+0x122/0x240
[  425.970760][ T8391]  kobject_add_internal+0x59f/0xb40
[  425.970789][ T8391]  kobject_init_and_add+0x125/0x190
[  425.970814][ T8391]  ? __pfx_kobject_init_and_add+0x10/0x10
[  425.970838][ T8391]  ? __raw_spin_lock_init+0x45/0x100
[  425.970863][ T8391]  ? __init_swait_queue_head+0xa9/0x150
[  425.970888][ T8391]  gfs2_sys_fs_add+0x234/0x450
[  425.970910][ T8391]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  425.970933][ T8391]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  425.970967][ T8391]  gfs2_fill_super+0x13c0/0x20d0
[  425.971001][ T8391]  ? __pfx_gfs2_fill_super+0x10/0x10
[  425.971031][ T8391]  ? sb_set_blocksize+0x104/0x180
[  425.971061][ T8391]  ? setup_bdev_super+0x4c1/0x5b0
[  425.971091][ T8391]  get_tree_bdev_flags+0x40b/0x4d0
[  425.971119][ T8391]  ? __pfx_gfs2_fill_super+0x10/0x10
[  425.971146][ T8391]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  425.971189][ T8391]  gfs2_get_tree+0x51/0x1e0
[  425.971216][ T8391]  vfs_get_tree+0x8f/0x2b0
[  425.971246][ T8391]  do_new_mount+0x2a2/0xa30
[  425.971277][ T8391]  ? ns_capable+0x8a/0xf0
[  425.971297][ T8391]  ? __pfx_do_new_mount+0x10/0x10
[  425.971326][ T8391]  ? path_mount+0x61c/0xfe0
[  425.971355][ T8391]  ? user_path_at+0x44/0x60
[  425.971382][ T8391]  __se_sys_mount+0x317/0x410
[  425.971416][ T8391]  ? __pfx___se_sys_mount+0x10/0x10
[  425.971450][ T8391]  ? rcu_is_watching+0x15/0xb0
[  425.971470][ T8391]  ? __x64_sys_mount+0x20/0xc0
[  425.971502][ T8391]  do_syscall_64+0xfa/0x3b0
[  425.971524][ T8391]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.971545][ T8391]  ? clear_bhb_loop+0x60/0xb0
[  425.971569][ T8391]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.971589][ T8391] RIP: 0033:0x7f552e99038a
[  425.971608][ T8391] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  425.971626][ T8391] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  425.971648][ T8391] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  425.971663][ T8391] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  425.971678][ T8391] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  425.971692][ T8391] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
2025/08/16 05:31:39 executed programs: 538
[  425.971705][ T8391] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  425.971727][ T8391]  </TASK>
[  425.971748][ T8391] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  426.024329][   T31]  ? gfs2_glock_wait+0x20f/0x2a0
[  426.289042][ T8393] loop5: detected capacity change from 0 to 32768
[  426.306598][ T8391] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  426.344267][   T31]  gfs2_file_buffered_write+0x4ed/0x880
[  426.351206][   T31]  ? gfs2_file_write_iter+0x94e/0x1100
[  426.356715][   T31]  gfs2_file_write_iter+0x94e/0x1100
[  426.362440][   T31]  ? rcu_is_watching+0x15/0xb0
[  426.367253][   T31]  ? vfs_write+0x211/0xb30
[  426.372073][   T31]  ? __pfx_gfs2_file_write_iter+0x10/0x10
[  426.373010][ T8395] loop3: detected capacity change from 0 to 32768
[  426.377839][   T31]  ? gfs2_file_write_iter+0x94e/0x1100
[  426.377870][   T31]  ? security_file_permission+0x75/0x290
[  426.442955][ T8395] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  426.474921][ T8395] CPU: 0 UID: 0 PID: 8395 Comm: syz.3.544 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  426.474952][ T8395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  426.474966][ T8395] Call Trace:
[  426.474974][ T8395]  <TASK>
[  426.474983][ T8395]  dump_stack_lvl+0x189/0x250
[  426.475015][ T8395]  ? __pfx_dump_stack_lvl+0x10/0x10
[  426.475040][ T8395]  ? __pfx__printk+0x10/0x10
[  426.475066][ T8395]  ? kernfs_root+0x1c/0x230
[  426.475091][ T8395]  ? kernfs_path_from_node+0x250/0x290
[  426.475113][ T8395]  ? kernfs_path_from_node+0x2f/0x290
[  426.475138][ T8395]  sysfs_create_dir_ns+0x259/0x280
[  426.475162][ T8395]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  426.475185][ T8395]  ? do_raw_spin_unlock+0x122/0x240
[  426.475212][ T8395]  kobject_add_internal+0x59f/0xb40
[  426.475240][ T8395]  kobject_init_and_add+0x125/0x190
[  426.475266][ T8395]  ? __pfx_kobject_init_and_add+0x10/0x10
[  426.475289][ T8395]  ? __raw_spin_lock_init+0x45/0x100
[  426.475315][ T8395]  ? __init_swait_queue_head+0xa9/0x150
[  426.475350][ T8395]  gfs2_sys_fs_add+0x234/0x450
[  426.475372][ T8395]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  426.475397][ T8395]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  426.475431][ T8395]  gfs2_fill_super+0x13c0/0x20d0
[  426.475466][ T8395]  ? __pfx_gfs2_fill_super+0x10/0x10
[  426.475495][ T8395]  ? sb_set_blocksize+0x104/0x180
[  426.475526][ T8395]  ? setup_bdev_super+0x4c1/0x5b0
[  426.475557][ T8395]  get_tree_bdev_flags+0x40b/0x4d0
[  426.475585][ T8395]  ? __pfx_gfs2_fill_super+0x10/0x10
[  426.475620][ T8395]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  426.475653][ T8395]  gfs2_get_tree+0x51/0x1e0
[  426.475682][ T8395]  vfs_get_tree+0x8f/0x2b0
[  426.475711][ T8395]  do_new_mount+0x2a2/0xa30
[  426.475743][ T8395]  ? ns_capable+0x8a/0xf0
[  426.475764][ T8395]  ? __pfx_do_new_mount+0x10/0x10
[  426.475793][ T8395]  ? path_mount+0x61c/0xfe0
[  426.475821][ T8395]  ? user_path_at+0x44/0x60
[  426.475849][ T8395]  __se_sys_mount+0x317/0x410
[  426.475884][ T8395]  ? __pfx___se_sys_mount+0x10/0x10
[  426.475922][ T8395]  ? rcu_is_watching+0x15/0xb0
[  426.475942][ T8395]  ? __x64_sys_mount+0x20/0xc0
[  426.475973][ T8395]  do_syscall_64+0xfa/0x3b0
[  426.475995][ T8395]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  426.476016][ T8395]  ? clear_bhb_loop+0x60/0xb0
[  426.476037][ T8395]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  426.476056][ T8395] RIP: 0033:0x7f71bc99038a
[  426.476074][ T8395] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  426.476092][ T8395] RSP: 002b:00007f71bd75fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  426.476114][ T8395] RAX: ffffffffffffffda RBX: 00007f71bd75fef0 RCX: 00007f71bc99038a
[  426.476129][ T8395] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f71bd75feb0
[  426.476144][ T8395] RBP: 000020000001f680 R08: 00007f71bd75fef0 R09: 0000000000000084
[  426.476158][ T8395] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  426.476171][ T8395] R13: 00007f71bd75feb0 R14: 000000000001f790 R15: 00002000000001c0
[  426.476193][ T8395]  </TASK>
[  426.476495][ T8393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  426.488920][   T31]  vfs_write+0x5c9/0xb30
[  426.511467][ T8395] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  426.515860][   T31]  ? __pfx_gfs2_file_write_iter+0x10/0x10
[  426.813077][ T8393] CPU: 1 UID: 0 PID: 8393 Comm: syz.5.543 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  426.813114][ T8393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  426.813156][ T8393] Call Trace:
[  426.813165][ T8393]  <TASK>
[  426.813174][ T8393]  dump_stack_lvl+0x189/0x250
[  426.813206][ T8393]  ? __pfx_dump_stack_lvl+0x10/0x10
[  426.813232][ T8393]  ? __pfx__printk+0x10/0x10
[  426.813259][ T8393]  ? kernfs_root+0x1c/0x230
[  426.813284][ T8393]  ? kernfs_path_from_node+0x250/0x290
[  426.813307][ T8393]  ? kernfs_path_from_node+0x2f/0x290
[  426.813331][ T8393]  sysfs_create_dir_ns+0x259/0x280
[  426.813356][ T8393]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  426.813379][ T8393]  ? do_raw_spin_unlock+0x122/0x240
[  426.813407][ T8393]  kobject_add_internal+0x59f/0xb40
[  426.813435][ T8393]  kobject_init_and_add+0x125/0x190
[  426.813461][ T8393]  ? __pfx_kobject_init_and_add+0x10/0x10
[  426.813485][ T8393]  ? __raw_spin_lock_init+0x45/0x100
[  426.813510][ T8393]  ? __init_swait_queue_head+0xa9/0x150
[  426.813537][ T8393]  gfs2_sys_fs_add+0x234/0x450
[  426.813559][ T8393]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  426.813583][ T8393]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  426.813617][ T8393]  gfs2_fill_super+0x13c0/0x20d0
[  426.813653][ T8393]  ? __pfx_gfs2_fill_super+0x10/0x10
[  426.813682][ T8393]  ? sb_set_blocksize+0x104/0x180
[  426.813713][ T8393]  ? setup_bdev_super+0x4c1/0x5b0
[  426.813743][ T8393]  get_tree_bdev_flags+0x40b/0x4d0
[  426.813772][ T8393]  ? __pfx_gfs2_fill_super+0x10/0x10
[  426.813799][ T8393]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  426.813833][ T8393]  gfs2_get_tree+0x51/0x1e0
[  426.813861][ T8393]  vfs_get_tree+0x8f/0x2b0
[  426.813890][ T8393]  do_new_mount+0x2a2/0xa30
[  426.813923][ T8393]  ? ns_capable+0x8a/0xf0
[  426.813943][ T8393]  ? __pfx_do_new_mount+0x10/0x10
[  426.813972][ T8393]  ? path_mount+0x61c/0xfe0
[  426.814000][ T8393]  ? user_path_at+0x44/0x60
[  426.814027][ T8393]  __se_sys_mount+0x317/0x410
[  426.814061][ T8393]  ? __pfx___se_sys_mount+0x10/0x10
[  426.814095][ T8393]  ? rcu_is_watching+0x15/0xb0
[  426.814114][ T8393]  ? __x64_sys_mount+0x20/0xc0
[  426.814155][ T8393]  do_syscall_64+0xfa/0x3b0
[  426.814177][ T8393]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  426.814198][ T8393]  ? clear_bhb_loop+0x60/0xb0
[  426.814221][ T8393]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  426.814241][ T8393] RIP: 0033:0x7f79b0d9038a
[  426.814259][ T8393] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  426.814278][ T8393] RSP: 002b:00007f79b1b55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  426.814301][ T8393] RAX: ffffffffffffffda RBX: 00007f79b1b55ef0 RCX: 00007f79b0d9038a
[  426.814317][ T8393] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f79b1b55eb0
[  426.814331][ T8393] RBP: 000020000001f680 R08: 00007f79b1b55ef0 R09: 0000000000000084
[  426.814345][ T8393] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  426.814359][ T8393] R13: 00007f79b1b55eb0 R14: 000000000001f790 R15: 00002000000001c0
[  426.814380][ T8393]  </TASK>
[  426.814402][ T8393] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  426.879006][ T8395] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  426.885876][ T8393] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  426.970553][   T31]  ? __pfx_vfs_write+0x10/0x10
[  427.552321][   T31]  ? __fget_files+0x2a/0x420
[  427.592296][   T31]  ksys_write+0x145/0x250
[  427.596725][   T31]  ? __pfx_ksys_write+0x10/0x10
[  427.630586][   T31]  ? rcu_is_watching+0x15/0xb0
[  427.640461][   T31]  ? rcu_is_watching+0x15/0xb0
[  427.645284][   T31]  do_syscall_64+0xfa/0x3b0
[  427.680260][   T31]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  427.696599][   T31]  ? clear_bhb_loop+0x60/0xb0
[  427.703703][ T8403] loop4: detected capacity change from 0 to 32768
[  427.720629][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  427.726592][   T31] RIP: 0033:0x7f461038ebe9
[  427.746337][   T31] RSP: 002b:00007f46111a0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  427.756252][ T8403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  427.780442][   T31] RAX: ffffffffffffffda RBX: 00007f46105b5fa0 RCX: 00007f461038ebe9
[  427.788580][ T8403] CPU: 0 UID: 0 PID: 8403 Comm: syz.4.545 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  427.788610][ T8403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  427.788625][ T8403] Call Trace:
[  427.788634][ T8403]  <TASK>
[  427.788644][ T8403]  dump_stack_lvl+0x189/0x250
[  427.788676][ T8403]  ? __pfx_dump_stack_lvl+0x10/0x10
[  427.788701][ T8403]  ? __pfx__printk+0x10/0x10
[  427.788728][ T8403]  ? kernfs_root+0x1c/0x230
[  427.788754][ T8403]  ? kernfs_path_from_node+0x250/0x290
[  427.788776][ T8403]  ? kernfs_path_from_node+0x2f/0x290
[  427.788801][ T8403]  sysfs_create_dir_ns+0x259/0x280
[  427.788824][ T8403]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  427.788846][ T8403]  ? do_raw_spin_unlock+0x122/0x240
[  427.788873][ T8403]  kobject_add_internal+0x59f/0xb40
[  427.788899][ T8403]  kobject_init_and_add+0x125/0x190
[  427.788923][ T8403]  ? __pfx_kobject_init_and_add+0x10/0x10
[  427.788946][ T8403]  ? __raw_spin_lock_init+0x45/0x100
[  427.788971][ T8403]  ? __init_swait_queue_head+0xa9/0x150
[  427.788995][ T8403]  gfs2_sys_fs_add+0x234/0x450
[  427.789017][ T8403]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  427.789041][ T8403]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  427.789075][ T8403]  gfs2_fill_super+0x13c0/0x20d0
[  427.789110][ T8403]  ? __pfx_gfs2_fill_super+0x10/0x10
[  427.789138][ T8403]  ? sb_set_blocksize+0x104/0x180
[  427.789168][ T8403]  ? setup_bdev_super+0x4c1/0x5b0
[  427.789197][ T8403]  get_tree_bdev_flags+0x40b/0x4d0
[  427.789225][ T8403]  ? __pfx_gfs2_fill_super+0x10/0x10
[  427.789261][ T8403]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  427.789294][ T8403]  gfs2_get_tree+0x51/0x1e0
[  427.789321][ T8403]  vfs_get_tree+0x8f/0x2b0
[  427.789351][ T8403]  do_new_mount+0x2a2/0xa30
[  427.789382][ T8403]  ? ns_capable+0x8a/0xf0
[  427.789402][ T8403]  ? __pfx_do_new_mount+0x10/0x10
[  427.789431][ T8403]  ? path_mount+0x61c/0xfe0
[  427.789459][ T8403]  ? user_path_at+0x44/0x60
[  427.789486][ T8403]  __se_sys_mount+0x317/0x410
[  427.789519][ T8403]  ? __pfx___se_sys_mount+0x10/0x10
[  427.789552][ T8403]  ? rcu_is_watching+0x15/0xb0
[  427.789571][ T8403]  ? __x64_sys_mount+0x20/0xc0
[  427.789603][ T8403]  do_syscall_64+0xfa/0x3b0
[  427.789624][ T8403]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  427.789644][ T8403]  ? clear_bhb_loop+0x60/0xb0
[  427.789667][ T8403]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  427.789687][ T8403] RIP: 0033:0x7fd5f7f9038a
[  427.789705][ T8403] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  427.789723][ T8403] RSP: 002b:00007fd5f8e4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  427.789745][ T8403] RAX: ffffffffffffffda RBX: 00007fd5f8e4fef0 RCX: 00007fd5f7f9038a
[  427.789761][ T8403] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd5f8e4feb0
[  427.789775][ T8403] RBP: 000020000001f680 R08: 00007fd5f8e4fef0 R09: 0000000000000084
[  427.789789][ T8403] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  427.789803][ T8403] R13: 00007fd5f8e4feb0 R14: 000000000001f790 R15: 00002000000001c0
[  427.789824][ T8403]  </TASK>
[  427.789845][ T8403] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  427.840553][   T31] RDX: 000000000208e24b RSI: 0000200000000040 RDI: 0000000000000005
[  427.845283][ T8403] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  427.847736][   T31] RBP: 00007f4610411e19 R08: 0000000000000000 R09: 0000000000000000
[  428.451653][ T8409] loop1: detected capacity change from 0 to 32768
[  428.490603][ T8409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  428.499322][ T8409] CPU: 1 UID: 0 PID: 8409 Comm: syz.1.546 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  428.499353][ T8409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  428.499367][ T8409] Call Trace:
[  428.499375][ T8409]  <TASK>
[  428.499384][ T8409]  dump_stack_lvl+0x189/0x250
[  428.499416][ T8409]  ? __pfx_dump_stack_lvl+0x10/0x10
[  428.499442][ T8409]  ? __pfx__printk+0x10/0x10
[  428.499469][ T8409]  ? kernfs_root+0x1c/0x230
[  428.499495][ T8409]  ? kernfs_path_from_node+0x250/0x290
[  428.499517][ T8409]  ? kernfs_path_from_node+0x2f/0x290
[  428.499542][ T8409]  sysfs_create_dir_ns+0x259/0x280
[  428.499565][ T8409]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  428.499587][ T8409]  ? do_raw_spin_unlock+0x122/0x240
[  428.499615][ T8409]  kobject_add_internal+0x59f/0xb40
[  428.499644][ T8409]  kobject_init_and_add+0x125/0x190
[  428.499669][ T8409]  ? __pfx_kobject_init_and_add+0x10/0x10
[  428.499692][ T8409]  ? __raw_spin_lock_init+0x45/0x100
[  428.499718][ T8409]  ? __init_swait_queue_head+0xa9/0x150
[  428.499744][ T8409]  gfs2_sys_fs_add+0x234/0x450
[  428.499766][ T8409]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  428.499789][ T8409]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  428.499823][ T8409]  gfs2_fill_super+0x13c0/0x20d0
[  428.499856][ T8409]  ? __pfx_gfs2_fill_super+0x10/0x10
[  428.499885][ T8409]  ? sb_set_blocksize+0x104/0x180
[  428.499915][ T8409]  ? setup_bdev_super+0x4c1/0x5b0
[  428.499956][ T8409]  get_tree_bdev_flags+0x40b/0x4d0
[  428.499984][ T8409]  ? __pfx_gfs2_fill_super+0x10/0x10
[  428.500011][ T8409]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  428.500045][ T8409]  gfs2_get_tree+0x51/0x1e0
[  428.500072][ T8409]  vfs_get_tree+0x8f/0x2b0
[  428.500101][ T8409]  do_new_mount+0x2a2/0xa30
[  428.500132][ T8409]  ? ns_capable+0x8a/0xf0
[  428.500151][ T8409]  ? __pfx_do_new_mount+0x10/0x10
[  428.500180][ T8409]  ? path_mount+0x61c/0xfe0
[  428.500209][ T8409]  ? user_path_at+0x44/0x60
[  428.500236][ T8409]  __se_sys_mount+0x317/0x410
[  428.500270][ T8409]  ? __pfx___se_sys_mount+0x10/0x10
[  428.500303][ T8409]  ? rcu_is_watching+0x15/0xb0
[  428.500323][ T8409]  ? __x64_sys_mount+0x20/0xc0
[  428.500354][ T8409]  do_syscall_64+0xfa/0x3b0
[  428.500382][ T8409]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  428.500401][ T8409]  ? clear_bhb_loop+0x60/0xb0
[  428.500423][ T8409]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  428.500442][ T8409] RIP: 0033:0x7fca00b9038a
[  428.500460][ T8409] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  428.500478][ T8409] RSP: 002b:00007fca019f9e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  428.500501][ T8409] RAX: ffffffffffffffda RBX: 00007fca019f9ef0 RCX: 00007fca00b9038a
[  428.500517][ T8409] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fca019f9eb0
[  428.500532][ T8409] RBP: 000020000001f680 R08: 00007fca019f9ef0 R09: 0000000000000084
[  428.500545][ T8409] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  428.500558][ T8409] R13: 00007fca019f9eb0 R14: 000000000001f790 R15: 00002000000001c0
[  428.500579][ T8409]  </TASK>
[  428.804698][ T8413] loop5: detected capacity change from 0 to 32768
[  428.890435][   T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  428.897550][ T8423] loop4: detected capacity change from 0 to 32768
[  428.926988][ T8409] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  428.941046][ T8409] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  428.942674][   T31] R13: 00007f46105b6038 R14: 00007f46105b5fa0 R15: 00007ffc7df3cf48
[  428.956110][ T8415] loop0: detected capacity change from 0 to 32768
[  428.963294][ T8413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  428.998287][ T8413] CPU: 0 UID: 0 PID: 8413 Comm: syz.5.548 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  428.998321][ T8413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  428.998335][ T8413] Call Trace:
[  428.998343][ T8413]  <TASK>
[  428.998352][ T8413]  dump_stack_lvl+0x189/0x250
[  428.998384][ T8413]  ? __pfx_dump_stack_lvl+0x10/0x10
[  428.998409][ T8413]  ? __pfx__printk+0x10/0x10
[  428.998436][ T8413]  ? kernfs_root+0x1c/0x230
[  428.998461][ T8413]  ? kernfs_path_from_node+0x250/0x290
[  428.998484][ T8413]  ? kernfs_path_from_node+0x2f/0x290
[  428.998509][ T8413]  sysfs_create_dir_ns+0x259/0x280
[  428.998532][ T8413]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  428.998555][ T8413]  ? do_raw_spin_unlock+0x122/0x240
[  428.998583][ T8413]  kobject_add_internal+0x59f/0xb40
[  428.998611][ T8413]  kobject_init_and_add+0x125/0x190
[  428.998637][ T8413]  ? __pfx_kobject_init_and_add+0x10/0x10
[  428.998659][ T8413]  ? __raw_spin_lock_init+0x45/0x100
[  428.998685][ T8413]  ? __init_swait_queue_head+0xa9/0x150
[  428.998711][ T8413]  gfs2_sys_fs_add+0x234/0x450
[  428.998733][ T8413]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  428.998757][ T8413]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  428.998811][ T8413]  gfs2_fill_super+0x13c0/0x20d0
[  428.998847][ T8413]  ? __pfx_gfs2_fill_super+0x10/0x10
[  428.998876][ T8413]  ? sb_set_blocksize+0x104/0x180
[  428.998906][ T8413]  ? setup_bdev_super+0x4c1/0x5b0
[  428.998941][ T8413]  get_tree_bdev_flags+0x40b/0x4d0
[  428.998978][ T8413]  ? __pfx_gfs2_fill_super+0x10/0x10
[  428.999005][ T8413]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  428.999038][ T8413]  gfs2_get_tree+0x51/0x1e0
[  428.999066][ T8413]  vfs_get_tree+0x8f/0x2b0
[  428.999094][ T8413]  do_new_mount+0x2a2/0xa30
[  428.999126][ T8413]  ? ns_capable+0x8a/0xf0
[  428.999146][ T8413]  ? __pfx_do_new_mount+0x10/0x10
[  428.999175][ T8413]  ? path_mount+0x61c/0xfe0
[  428.999203][ T8413]  ? user_path_at+0x44/0x60
[  428.999232][ T8413]  __se_sys_mount+0x317/0x410
[  428.999266][ T8413]  ? __pfx___se_sys_mount+0x10/0x10
[  428.999299][ T8413]  ? rcu_is_watching+0x15/0xb0
[  428.999319][ T8413]  ? __x64_sys_mount+0x20/0xc0
[  428.999351][ T8413]  do_syscall_64+0xfa/0x3b0
[  428.999373][ T8413]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  428.999393][ T8413]  ? clear_bhb_loop+0x60/0xb0
[  428.999417][ T8413]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  428.999436][ T8413] RIP: 0033:0x7f79b0d9038a
[  428.999455][ T8413] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  428.999475][ T8413] RSP: 002b:00007f79b1b55e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  428.999497][ T8413] RAX: ffffffffffffffda RBX: 00007f79b1b55ef0 RCX: 00007f79b0d9038a
[  428.999513][ T8413] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f79b1b55eb0
[  428.999528][ T8413] RBP: 000020000001f680 R08: 00007f79b1b55ef0 R09: 0000000000000084
[  428.999541][ T8413] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  428.999554][ T8413] R13: 00007f79b1b55eb0 R14: 000000000001f790 R15: 00002000000001c0
[  428.999577][ T8413]  </TASK>
[  428.999598][ T8413] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  429.000987][ T8423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  429.049667][ T8415] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  429.053136][ T8423] CPU: 1 UID: 0 PID: 8423 Comm: syz.4.550 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  429.053164][ T8423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  429.053178][ T8423] Call Trace:
[  429.053187][ T8423]  <TASK>
[  429.053195][ T8423]  dump_stack_lvl+0x189/0x250
[  429.053234][ T8423]  ? __pfx_dump_stack_lvl+0x10/0x10
[  429.053258][ T8423]  ? __pfx__printk+0x10/0x10
[  429.053286][ T8423]  ? kernfs_root+0x1c/0x230
[  429.053315][ T8423]  ? kernfs_path_from_node+0x250/0x290
[  429.053341][ T8423]  ? kernfs_path_from_node+0x2f/0x290
[  429.053370][ T8423]  sysfs_create_dir_ns+0x259/0x280
[  429.053397][ T8423]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  429.053423][ T8423]  ? do_raw_spin_unlock+0x122/0x240
[  429.053454][ T8423]  kobject_add_internal+0x59f/0xb40
[  429.053487][ T8423]  kobject_init_and_add+0x125/0x190
[  429.053515][ T8423]  ? __pfx_kobject_init_and_add+0x10/0x10
[  429.053542][ T8423]  ? __raw_spin_lock_init+0x45/0x100
[  429.053570][ T8423]  ? __init_swait_queue_head+0xa9/0x150
[  429.053599][ T8423]  gfs2_sys_fs_add+0x234/0x450
[  429.053624][ T8423]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  429.053651][ T8423]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  429.053688][ T8423]  gfs2_fill_super+0x13c0/0x20d0
[  429.053727][ T8423]  ? __pfx_gfs2_fill_super+0x10/0x10
[  429.053759][ T8423]  ? sb_set_blocksize+0x104/0x180
[  429.053794][ T8423]  ? setup_bdev_super+0x4c1/0x5b0
[  429.053828][ T8423]  get_tree_bdev_flags+0x40b/0x4d0
[  429.053859][ T8423]  ? __pfx_gfs2_fill_super+0x10/0x10
[  429.053890][ T8423]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  429.053928][ T8423]  gfs2_get_tree+0x51/0x1e0
[  429.053958][ T8423]  vfs_get_tree+0x8f/0x2b0
[  429.053989][ T8423]  do_new_mount+0x2a2/0xa30
[  429.054025][ T8423]  ? ns_capable+0x8a/0xf0
[  429.054046][ T8423]  ? __pfx_do_new_mount+0x10/0x10
[  429.054080][ T8423]  ? path_mount+0x61c/0xfe0
[  429.054110][ T8423]  ? user_path_at+0x44/0x60
[  429.054142][ T8423]  __se_sys_mount+0x317/0x410
[  429.054179][ T8423]  ? __pfx___se_sys_mount+0x10/0x10
[  429.054221][ T8423]  ? rcu_is_watching+0x15/0xb0
[  429.054244][ T8423]  ? __x64_sys_mount+0x20/0xc0
[  429.054280][ T8423]  do_syscall_64+0xfa/0x3b0
[  429.054303][ T8423]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  429.054328][ T8423]  ? clear_bhb_loop+0x60/0xb0
[  429.054354][ T8423]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  429.054376][ T8423] RIP: 0033:0x7fd5f7f9038a
[  429.054399][ T8423] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  429.054419][ T8423] RSP: 002b:00007fd5f8e4fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  429.054444][ T8423] RAX: ffffffffffffffda RBX: 00007fd5f8e4fef0 RCX: 00007fd5f7f9038a
[  429.054463][ T8423] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fd5f8e4feb0
[  429.054480][ T8423] RBP: 000020000001f680 R08: 00007fd5f8e4fef0 R09: 0000000000000084
[  429.054497][ T8423] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  429.054514][ T8423] R13: 00007fd5f8e4feb0 R14: 000000000001f790 R15: 00002000000001c0
[  429.054538][ T8423]  </TASK>
[  429.054564][ T8423] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  429.071367][   T31]  </TASK>
[  429.074631][ T8423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  429.134447][   T31] INFO: lockdep is turned off.
[  429.139224][ T8413] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  429.159905][ T8415] CPU: 0 UID: 0 PID: 8415 Comm: syz.0.549 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  429.159942][ T8415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  429.159986][ T8415] Call Trace:
[  429.159995][ T8415]  <TASK>
[  429.160005][ T8415]  dump_stack_lvl+0x189/0x250
[  429.160043][ T8415]  ? __pfx_dump_stack_lvl+0x10/0x10
[  429.160072][ T8415]  ? __pfx__printk+0x10/0x10
[  429.160102][ T8415]  ? kernfs_root+0x1c/0x230
[  429.160131][ T8415]  ? kernfs_path_from_node+0x250/0x290
[  429.160157][ T8415]  ? kernfs_path_from_node+0x2f/0x290
[  429.160184][ T8415]  sysfs_create_dir_ns+0x259/0x280
[  429.160210][ T8415]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  429.160235][ T8415]  ? do_raw_spin_unlock+0x122/0x240
[  429.160266][ T8415]  kobject_add_internal+0x59f/0xb40
[  429.160297][ T8415]  kobject_init_and_add+0x125/0x190
[  429.160325][ T8415]  ? __pfx_kobject_init_and_add+0x10/0x10
[  429.160350][ T8415]  ? __raw_spin_lock_init+0x45/0x100
[  429.160383][ T8415]  ? __init_swait_queue_head+0xa9/0x150
[  429.160414][ T8415]  gfs2_sys_fs_add+0x234/0x450
[  429.160438][ T8415]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  429.160465][ T8415]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  429.160505][ T8415]  gfs2_fill_super+0x13c0/0x20d0
[  429.160544][ T8415]  ? __pfx_gfs2_fill_super+0x10/0x10
[  429.160575][ T8415]  ? sb_set_blocksize+0x104/0x180
[  429.160610][ T8415]  ? setup_bdev_super+0x4c1/0x5b0
[  429.160644][ T8415]  get_tree_bdev_flags+0x40b/0x4d0
[  429.160676][ T8415]  ? __pfx_gfs2_fill_super+0x10/0x10
[  429.160707][ T8415]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  429.160745][ T8415]  gfs2_get_tree+0x51/0x1e0
[  429.160775][ T8415]  vfs_get_tree+0x8f/0x2b0
[  429.160808][ T8415]  do_new_mount+0x2a2/0xa30
[  429.160843][ T8415]  ? ns_capable+0x8a/0xf0
[  429.160864][ T8415]  ? __pfx_do_new_mount+0x10/0x10
[  429.160898][ T8415]  ? path_mount+0x61c/0xfe0
[  429.160928][ T8415]  ? user_path_at+0x44/0x60
[  429.160966][ T8415]  __se_sys_mount+0x317/0x410
[  429.161004][ T8415]  ? __pfx___se_sys_mount+0x10/0x10
[  429.161041][ T8415]  ? rcu_is_watching+0x15/0xb0
[  429.161064][ T8415]  ? __x64_sys_mount+0x20/0xc0
[  429.161100][ T8415]  do_syscall_64+0xfa/0x3b0
[  429.161123][ T8415]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  429.161147][ T8415]  ? clear_bhb_loop+0x60/0xb0
[  429.161173][ T8415]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  429.161195][ T8415] RIP: 0033:0x7f552e99038a
[  429.161216][ T8415] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  429.161237][ T8415] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  429.161262][ T8415] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  429.161281][ T8415] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  429.161298][ T8415] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  429.161315][ T8415] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  429.161331][ T8415] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  429.161357][ T8415]  </TASK>
[  429.169445][ T8415] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  429.277566][ T8411] loop3: detected capacity change from 0 to 32768
[  429.360556][   T31] NMI backtrace for cpu 0
[  429.360583][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  429.360612][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  429.360628][   T31] Call Trace:
[  429.360638][   T31]  <TASK>
[  429.360648][   T31]  dump_stack_lvl+0x189/0x250
[  429.360683][   T31]  ? vprintk_emit+0x444/0x7a0
[  429.360710][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  429.360738][   T31]  ? __pfx__printk+0x10/0x10
[  429.360776][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  429.360810][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  429.360837][   T31]  ? __pfx__printk+0x10/0x10
[  429.360866][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  429.360900][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  429.360929][   T31]  watchdog+0xf60/0xfa0
[  429.360973][   T31]  ? watchdog+0x1e2/0xfa0
[  429.361008][   T31]  kthread+0x711/0x8a0
[  429.361040][   T31]  ? __pfx_watchdog+0x10/0x10
[  429.361069][   T31]  ? __pfx_kthread+0x10/0x10
[  429.361099][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  429.361135][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  429.361155][   T31]  ? __pfx_kthread+0x10/0x10
[  429.361183][   T31]  ret_from_fork+0x3f9/0x770
[  429.361207][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  429.361234][   T31]  ? __switch_to_asm+0x39/0x70
[  429.361262][   T31]  ? __switch_to_asm+0x33/0x70
[  429.361293][   T31]  ? __pfx_kthread+0x10/0x10
[  429.361321][   T31]  ret_from_fork_asm+0x1a/0x30
[  429.361359][   T31]  </TASK>
[  429.361369][   T31] Sending NMI from CPU 0 to CPUs 1:
[  429.390914][ T8415] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  429.392035][    C1] NMI backtrace for cpu 1
[  429.392051][    C1] CPU: 1 UID: 0 PID: 8415 Comm: syz.0.549 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  429.392072][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  429.392084][    C1] RIP: 0010:lock_acquire+0x58/0x360
[  429.392116][    C1] Code: 8b 05 cc b4 03 11 48 89 44 24 58 0f 1f 44 00 00 65 8b 05 cf b4 03 11 83 f8 08 0f 83 b8 01 00 00 89 c0 48 0f a3 05 b8 55 06 0e <73> 16 e8 61 02 09 00 84 c0 75 0d f6 05 0c 3a f0 0d 01 0f 84 d7 01
[  429.392131][    C1] RSP: 0018:ffffc90000a08638 EFLAGS: 00000297
[  429.392148][    C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000002
[  429.392159][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e139ee0
[  429.392171][    C1] RBP: ffffffff8172c195 R08: 0000000000000000 R09: 0000000000000000
[  429.392183][    C1] R10: ffffc90000a087f8 R11: ffffffff81ac38c0 R12: 0000000000000002
[  429.392201][    C1] R13: ffffffff8e139ee0 R14: 0000000000000000 R15: 0000000000000000
[  429.392213][    C1] FS:  00007f552f8486c0(0000) GS:ffff888125d0f000(0000) knlGS:0000000000000000
[  429.392228][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  429.392241][    C1] CR2: 00007f173cb69000 CR3: 000000007f9f2000 CR4: 00000000003526f0
[  429.392257][    C1] Call Trace:
[  429.392264][    C1]  <IRQ>
[  429.392272][    C1]  ? rcu_is_watching+0x15/0xb0
[  429.392290][    C1]  ? unwind_next_frame+0xa5/0x2390
[  429.392310][    C1]  ? lock_release+0x4b/0x3e0
[  429.392334][    C1]  ? unwind_next_frame+0x19ae/0x2390
[  429.392353][    C1]  ? deref_stack_reg+0x19f/0x230
[  429.392372][    C1]  ? slab_free_after_rcu_debug+0x60/0x2a0
[  429.392393][    C1]  ? unwind_next_frame+0xa5/0x2390
[  429.392412][    C1]  unwind_next_frame+0xc2/0x2390
[  429.392431][    C1]  ? unwind_next_frame+0xa5/0x2390
[  429.392452][    C1]  ? unwind_next_frame+0xa5/0x2390
[  429.392472][    C1]  ? kfree+0x18e/0x440
[  429.392494][    C1]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  429.392515][    C1]  arch_stack_walk+0x11c/0x150
[  429.392539][    C1]  ? slab_free_after_rcu_debug+0x60/0x2a0
[  429.392560][    C1]  stack_trace_save+0x9c/0xe0
[  429.392580][    C1]  ? __pfx_stack_trace_save+0x10/0x10
[  429.392602][    C1]  ? stack_trace_save+0x9c/0xe0
[  429.392624][    C1]  kasan_save_track+0x3e/0x80
[  429.392646][    C1]  ? kasan_save_track+0x3e/0x80
[  429.392666][    C1]  ? __kasan_save_free_info+0x46/0x50
[  429.392684][    C1]  ? __kasan_slab_free+0x5b/0x80
[  429.392707][    C1]  ? kfree+0x18e/0x440
[  429.392726][    C1]  ? slab_free_after_rcu_debug+0x60/0x2a0
[  429.392766][    C1]  __kasan_save_free_info+0x46/0x50
[  429.392784][    C1]  __kasan_slab_free+0x5b/0x80
[  429.392806][    C1]  ? slab_free_after_rcu_debug+0x60/0x2a0
[  429.392824][    C1]  kfree+0x18e/0x440
[  429.392844][    C1]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  429.392872][    C1]  ? rcu_core+0xc37/0x1770
[  429.392898][    C1]  slab_free_after_rcu_debug+0x60/0x2a0
[  429.392917][    C1]  ? __pfx_slab_free_after_rcu_debug+0x10/0x10
[  429.392936][    C1]  ? rcu_core+0xc37/0x1770
[  429.392962][    C1]  rcu_core+0xca8/0x1770
[  429.392994][    C1]  ? __pfx_rcu_core+0x10/0x10
[  429.393021][    C1]  ? kvm_sched_clock_read+0x11/0x20
[  429.393048][    C1]  ? sched_clock_cpu+0x74/0x430
[  429.393063][    C1]  ? ktime_get+0x3e/0x1f0
[  429.393083][    C1]  ? seqcount_lockdep_reader_access+0x15f/0x1c0
[  429.393105][    C1]  ? __pfx_sched_clock_cpu+0x10/0x10
[  429.393132][    C1]  ? __pfx___local_bh_disable_ip+0x10/0x10
[  429.393155][    C1]  handle_softirqs+0x286/0x870
[  429.393173][    C1]  ? __irq_exit_rcu+0xca/0x1f0
[  429.393198][    C1]  ? __pfx_handle_softirqs+0x10/0x10
[  429.393217][    C1]  ? irqtime_account_irq+0xb6/0x1c0
[  429.393240][    C1]  __irq_exit_rcu+0xca/0x1f0
[  429.393256][    C1]  ? __pfx___irq_exit_rcu+0x10/0x10
[  429.393277][    C1]  irq_exit_rcu+0x9/0x30
[  429.393292][    C1]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  429.393318][    C1]  </IRQ>
[  429.393325][    C1]  <TASK>
[  429.393331][    C1]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  429.393350][    C1] RIP: 0010:vprintk_emit+0x58f/0x7a0
[  429.393369][    C1] Code: 85 32 01 00 00 e8 e1 80 1f 00 41 89 df 4d 85 f6 48 8b 1c 24 75 07 e8 d0 80 1f 00 eb 06 e8 c9 80 1f 00 fb 48 c7 c7 80 e1 12 8e <31> f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 53 e8 b9 35
[  429.393384][    C1] RSP: 0018:ffffc9000d8c76c0 EFLAGS: 00000293
[  429.393398][    C1] RAX: ffffffff81a02547 RBX: ffffffff81a02404 RCX: ffff88801cb13c00
[  429.393412][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e12e180
[  429.393424][    C1] RBP: ffffc9000d8c77d0 R08: ffffffff8fa3b137 R09: 1ffffffff1f47626
[  429.393437][    C1] R10: dffffc0000000000 R11: fffffbfff1f47627 R12: dffffc0000000000
[  429.393451][    C1] R13: 1ffff92001b18edc R14: 0000000000000200 R15: 0000000000000030
[  429.393465][    C1]  ? vprintk_emit+0x444/0x7a0
[  429.393484][    C1]  ? vprintk_emit+0x587/0x7a0
[  429.393504][    C1]  ? vprintk_emit+0x444/0x7a0
[  429.393522][    C1]  ? __pfx_vprintk_emit+0x10/0x10
[  429.393541][    C1]  ? kobject_put+0x43f/0x480
[  429.393559][    C1]  ? kobj_kset_leave+0x163/0x190
[  429.393581][    C1]  ? kobject_add_internal+0x873/0xb40
[  429.393603][    C1]  _printk+0xcf/0x120
[  429.393630][    C1]  ? __pfx__printk+0x10/0x10
[  429.393654][    C1]  ? __raw_spin_lock_init+0x45/0x100
[  429.393676][    C1]  ? __init_swait_queue_head+0xa9/0x150
[  429.393698][    C1]  gfs2_sys_fs_add+0x39c/0x450
[  429.393716][    C1]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  429.393736][    C1]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  429.393766][    C1]  gfs2_fill_super+0x13c0/0x20d0
[  429.393794][    C1]  ? __pfx_gfs2_fill_super+0x10/0x10
[  429.393819][    C1]  ? sb_set_blocksize+0x104/0x180
[  429.393845][    C1]  ? setup_bdev_super+0x4c1/0x5b0
[  429.393870][    C1]  get_tree_bdev_flags+0x40b/0x4d0
[  429.393895][    C1]  ? __pfx_gfs2_fill_super+0x10/0x10
[  429.393917][    C1]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  429.393946][    C1]  gfs2_get_tree+0x51/0x1e0
[  429.393970][    C1]  vfs_get_tree+0x8f/0x2b0
[  429.393995][    C1]  do_new_mount+0x2a2/0xa30
[  429.394022][    C1]  ? ns_capable+0x8a/0xf0
[  429.394039][    C1]  ? __pfx_do_new_mount+0x10/0x10
[  429.394065][    C1]  ? path_mount+0x61c/0xfe0
[  429.394088][    C1]  ? user_path_at+0x44/0x60
[  429.394112][    C1]  __se_sys_mount+0x317/0x410
[  429.394140][    C1]  ? __pfx___se_sys_mount+0x10/0x10
[  429.394169][    C1]  ? rcu_is_watching+0x15/0xb0
[  429.394191][    C1]  ? __x64_sys_mount+0x20/0xc0
[  429.394217][    C1]  do_syscall_64+0xfa/0x3b0
[  429.394235][    C1]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  429.394252][    C1]  ? clear_bhb_loop+0x60/0xb0
[  429.394272][    C1]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  429.394288][    C1] RIP: 0033:0x7f552e99038a
[  429.394303][    C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
[  429.394317][    C1] RSP: 002b:00007f552f847e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  429.394334][    C1] RAX: ffffffffffffffda RBX: 00007f552f847ef0 RCX: 00007f552e99038a
[  429.394347][    C1] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f552f847eb0
[  429.394360][    C1] RBP: 000020000001f680 R08: 00007f552f847ef0 R09: 0000000000000084
[  429.394372][    C1] R10: 0000000000000084 R11: 0000000000000246 R12: 0000200000000040
[  429.394383][    C1] R13: 00007f552f847eb0 R14: 000000000001f790 R15: 00002000000001c0
[  429.394402][    C1]  </TASK>
[  429.527209][ T8411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  429.960850][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  429.960880][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
[  429.960910][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[  429.960927][   T31] Call Trace:
[  429.960938][   T31]  <TASK>
[  429.960949][   T31]  dump_stack_lvl+0x99/0x250
[  429.960985][   T31]  ? __asan_memcpy+0x40/0x70
[  429.961013][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  429.961041][   T31]  ? __pfx__printk+0x10/0x10
[  429.961083][   T31]  vpanic+0x281/0x750
[  429.961112][   T31]  ? __pfx_vpanic+0x10/0x10
[  429.961139][   T31]  ? preempt_schedule+0xae/0xc0
[  429.961176][   T31]  ? preempt_schedule_common+0x83/0xd0
[  429.961224][   T31]  panic+0xb9/0xc0
[  429.961250][   T31]  ? __pfx_panic+0x10/0x10
[  429.961277][   T31]  ? preempt_schedule_thunk+0x16/0x30
[  429.961303][   T31]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  429.961340][   T31]  watchdog+0xf9f/0xfa0
[  429.961376][   T31]  ? watchdog+0x1e2/0xfa0
[  429.961411][   T31]  kthread+0x711/0x8a0
[  429.961442][   T31]  ? __pfx_watchdog+0x10/0x10
[  429.961473][   T31]  ? __pfx_kthread+0x10/0x10
[  429.961502][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  429.961535][   T31]  ? lockdep_hardirqs_on+0x9c/0x150
[  429.961556][   T31]  ? __pfx_kthread+0x10/0x10
[  429.961585][   T31]  ret_from_fork+0x3f9/0x770
[  429.961611][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  429.961639][   T31]  ? __switch_to_asm+0x39/0x70
[  429.961671][   T31]  ? __switch_to_asm+0x33/0x70
[  429.961700][   T31]  ? __pfx_kthread+0x10/0x10
[  429.961730][   T31]  ret_from_fork_asm+0x1a/0x30
[  429.961771][   T31]  </TASK>
[  429.967154][   T31] Kernel Offset: disabled