0 UID: 0 PID: 9506 Comm: syz.4.191 Not tainted syzkaller #0 PREEMPT(full) 
[  354.131553][ T9506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  354.131564][ T9506] Call Trace:
[  354.131578][ T9506]  <TASK>
[  354.131585][ T9506]  dump_stack_lvl+0x189/0x250
[  354.131613][ T9506]  ? __pfx_dump_stack_lvl+0x10/0x10
[  354.131634][ T9506]  ? __pfx__printk+0x10/0x10
[  354.131664][ T9506]  ? kernfs_path_from_node+0x250/0x290
[  354.131683][ T9506]  ? kernfs_path_from_node+0x2f/0x290
[  354.131706][ T9506]  sysfs_create_dir_ns+0x259/0x280
[  354.131728][ T9506]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  354.131749][ T9506]  ? do_raw_spin_unlock+0x122/0x240
[  354.131776][ T9506]  kobject_add_internal+0x6ab/0xcc0
[  354.131801][ T9506]  kobject_init_and_add+0x125/0x190
[  354.131831][ T9506]  ? __pfx_kobject_init_and_add+0x10/0x10
[  354.131856][ T9506]  ? __raw_spin_lock_init+0x45/0x100
[  354.131880][ T9506]  ? __init_swait_queue_head+0xa9/0x150
[  354.131907][ T9506]  gfs2_sys_fs_add+0x234/0x450
[  354.131936][ T9506]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  354.131967][ T9506]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  354.132003][ T9506]  gfs2_fill_super+0x1388/0x21b0
[  354.132038][ T9506]  ? __pfx_gfs2_fill_super+0x10/0x10
[  354.132061][ T9506]  ? sb_set_blocksize+0x155/0x240
[  354.132086][ T9506]  ? setup_bdev_super+0x4c1/0x5b0
[  354.132108][ T9506]  get_tree_bdev_flags+0x40e/0x4d0
[  354.132127][ T9506]  ? __pfx_gfs2_fill_super+0x10/0x10
[  354.132146][ T9506]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  354.132163][ T9506]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  354.132197][ T9506]  gfs2_get_tree+0x51/0x1e0
[  354.132219][ T9506]  vfs_get_tree+0x92/0x2a0
[  354.132240][ T9506]  do_new_mount+0x302/0xa10
[  354.132260][ T9506]  ? apparmor_capable+0x137/0x1a0
[  354.132283][ T9506]  ? __pfx_do_new_mount+0x10/0x10
[  354.132304][ T9506]  ? ns_capable+0x8a/0xf0
[  354.132323][ T9506]  ? kmem_cache_free+0x197/0x620
[  354.132353][ T9506]  __se_sys_mount+0x313/0x410
[  354.132380][ T9506]  ? __pfx___se_sys_mount+0x10/0x10
[  354.132406][ T9506]  ? do_syscall_64+0xbe/0xf80
[  354.132426][ T9506]  ? __x64_sys_mount+0x20/0xc0
[  354.132449][ T9506]  do_syscall_64+0xfa/0xf80
[  354.132471][ T9506]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  354.132488][ T9506]  ? clear_bhb_loop+0x60/0xb0
[  354.132508][ T9506]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  354.132525][ T9506] RIP: 0033:0x7f4392590eea
[  354.132544][ T9506] 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
[  354.132559][ T9506] RSP: 002b:00007f4391bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  354.132584][ T9506] RAX: ffffffffffffffda RBX: 00007f4391bfdef0 RCX: 00007f4392590eea
[  354.132596][ T9506] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f4391bfdeb0
[  354.132608][ T9506] RBP: 00002000000124c0 R08: 00007f4391bfdef0 R09: 0000000000000000
[  354.132619][ T9506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  354.132630][ T9506] R13: 00007f4391bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[  354.132660][ T9506]  </TASK>
[  354.132707][ T9506] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  354.168527][ T3022] netdevsim netdevsim5 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  354.173414][ T9506] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  354.245826][ T9507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  354.484362][ T9507] CPU: 1 UID: 0 PID: 9507 Comm: syz.6.189 Not tainted syzkaller #0 PREEMPT(full) 
[  354.484386][ T9507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  354.484397][ T9507] Call Trace:
[  354.484405][ T9507]  <TASK>
[  354.484413][ T9507]  dump_stack_lvl+0x189/0x250
[  354.484442][ T9507]  ? __pfx_dump_stack_lvl+0x10/0x10
[  354.484464][ T9507]  ? __pfx__printk+0x10/0x10
[  354.484494][ T9507]  ? kernfs_path_from_node+0x250/0x290
[  354.484513][ T9507]  ? kernfs_path_from_node+0x2f/0x290
[  354.484545][ T9507]  sysfs_create_dir_ns+0x259/0x280
[  354.484568][ T9507]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  354.484590][ T9507]  ? do_raw_spin_unlock+0x122/0x240
[  354.484621][ T9507]  kobject_add_internal+0x6ab/0xcc0
[  354.484644][ T9507]  kobject_init_and_add+0x125/0x190
[  354.484671][ T9507]  ? __pfx_kobject_init_and_add+0x10/0x10
[  354.484696][ T9507]  ? __raw_spin_lock_init+0x45/0x100
[  354.484721][ T9507]  ? __init_swait_queue_head+0xa9/0x150
[  354.484749][ T9507]  gfs2_sys_fs_add+0x234/0x450
[  354.484776][ T9507]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  354.484810][ T9507]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  354.484848][ T9507]  gfs2_fill_super+0x1388/0x21b0
[  354.484883][ T9507]  ? __pfx_gfs2_fill_super+0x10/0x10
[  354.484908][ T9507]  ? sb_set_blocksize+0x155/0x240
[  354.484934][ T9507]  ? setup_bdev_super+0x4c1/0x5b0
[  354.484957][ T9507]  get_tree_bdev_flags+0x40e/0x4d0
[  354.484976][ T9507]  ? __pfx_gfs2_fill_super+0x10/0x10
[  354.484995][ T9507]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  354.485012][ T9507]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  354.485048][ T9507]  gfs2_get_tree+0x51/0x1e0
[  354.485070][ T9507]  vfs_get_tree+0x92/0x2a0
[  354.485092][ T9507]  do_new_mount+0x302/0xa10
[  354.485112][ T9507]  ? apparmor_capable+0x137/0x1a0
[  354.485135][ T9507]  ? __pfx_do_new_mount+0x10/0x10
[  354.485157][ T9507]  ? ns_capable+0x8a/0xf0
[  354.485178][ T9507]  ? kmem_cache_free+0x197/0x620
[  354.485209][ T9507]  __se_sys_mount+0x313/0x410
[  354.485237][ T9507]  ? __pfx___se_sys_mount+0x10/0x10
[  354.485264][ T9507]  ? do_syscall_64+0xbe/0xf80
[  354.485284][ T9507]  ? __x64_sys_mount+0x20/0xc0
[  354.485308][ T9507]  do_syscall_64+0xfa/0xf80
[  354.485333][ T9507]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  354.485350][ T9507]  ? clear_bhb_loop+0x60/0xb0
[  354.485371][ T9507]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  354.485388][ T9507] RIP: 0033:0x7fd417b90eea
[  354.485406][ T9507] 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
[  354.485421][ T9507] RSP: 002b:00007fd4189afe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  354.485440][ T9507] RAX: ffffffffffffffda RBX: 00007fd4189afef0 RCX: 00007fd417b90eea
[  354.485453][ T9507] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd4189afeb0
[  354.485466][ T9507] RBP: 00002000000124c0 R08: 00007fd4189afef0 R09: 0000000000000000
[  354.485477][ T9507] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  354.485488][ T9507] R13: 00007fd4189afeb0 R14: 00000000000125c7 R15: 0000200000000180
[  354.485525][ T9507]  </TASK>
[  354.485556][ T9507] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  354.815171][ T9507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  355.285544][ T6657] netdevsim netdevsim5 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[  355.348100][ T9345] veth0_vlan: entered promiscuous mode
[  355.558314][ T9345] veth1_vlan: entered promiscuous mode
[  355.761898][   T80] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  355.801874][   T80] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  356.190650][ T9527] loop6: detected capacity change from 0 to 32768
[  356.285544][ T9527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  356.293014][ T9527] CPU: 1 UID: 0 PID: 9527 Comm: syz.6.220 Not tainted syzkaller #0 PREEMPT(full) 
[  356.293039][ T9527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  356.293050][ T9527] Call Trace:
[  356.293058][ T9527]  <TASK>
[  356.293066][ T9527]  dump_stack_lvl+0x189/0x250
[  356.293096][ T9527]  ? __pfx_dump_stack_lvl+0x10/0x10
[  356.293117][ T9527]  ? __pfx__printk+0x10/0x10
[  356.293155][ T9527]  ? kernfs_path_from_node+0x250/0x290
[  356.293174][ T9527]  ? kernfs_path_from_node+0x2f/0x290
[  356.293198][ T9527]  sysfs_create_dir_ns+0x259/0x280
[  356.293222][ T9527]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  356.293244][ T9527]  ? do_raw_spin_unlock+0x122/0x240
[  356.293273][ T9527]  kobject_add_internal+0x6ab/0xcc0
[  356.293300][ T9527]  kobject_init_and_add+0x125/0x190
[  356.293331][ T9527]  ? __pfx_kobject_init_and_add+0x10/0x10
[  356.293358][ T9527]  ? __raw_spin_lock_init+0x45/0x100
[  356.293383][ T9527]  ? __init_swait_queue_head+0xa9/0x150
[  356.293410][ T9527]  gfs2_sys_fs_add+0x234/0x450
[  356.293435][ T9527]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  356.293465][ T9527]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  356.293502][ T9527]  gfs2_fill_super+0x1388/0x21b0
[  356.293531][ T9527]  ? __pfx_gfs2_fill_super+0x10/0x10
[  356.293550][ T9527]  ? sb_set_blocksize+0x155/0x240
[  356.293570][ T9527]  ? setup_bdev_super+0x4c1/0x5b0
[  356.293588][ T9527]  get_tree_bdev_flags+0x40e/0x4d0
[  356.293602][ T9527]  ? __pfx_gfs2_fill_super+0x10/0x10
[  356.293617][ T9527]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  356.293630][ T9527]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  356.293659][ T9527]  gfs2_get_tree+0x51/0x1e0
[  356.293676][ T9527]  vfs_get_tree+0x92/0x2a0
[  356.293692][ T9527]  do_new_mount+0x302/0xa10
[  356.293709][ T9527]  ? apparmor_capable+0x137/0x1a0
[  356.293727][ T9527]  ? __pfx_do_new_mount+0x10/0x10
[  356.293744][ T9527]  ? ns_capable+0x8a/0xf0
[  356.293761][ T9527]  ? kmem_cache_free+0x197/0x620
[  356.293784][ T9527]  __se_sys_mount+0x313/0x410
[  356.293806][ T9527]  ? __pfx___se_sys_mount+0x10/0x10
[  356.293827][ T9527]  ? do_syscall_64+0xbe/0xf80
[  356.293843][ T9527]  ? __x64_sys_mount+0x20/0xc0
[  356.293862][ T9527]  do_syscall_64+0xfa/0xf80
[  356.293880][ T9527]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  356.293893][ T9527]  ? clear_bhb_loop+0x60/0xb0
[  356.293910][ T9527]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  356.293923][ T9527] RIP: 0033:0x7fd417b90eea
[  356.293937][ T9527] 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
[  356.293950][ T9527] RSP: 002b:00007fd4189afe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  356.293964][ T9527] RAX: ffffffffffffffda RBX: 00007fd4189afef0 RCX: 00007fd417b90eea
[  356.293974][ T9527] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd4189afeb0
[  356.293983][ T9527] RBP: 00002000000124c0 R08: 00007fd4189afef0 R09: 0000000000000000
[  356.293992][ T9527] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  356.294001][ T9527] R13: 00007fd4189afeb0 R14: 00000000000125c7 R15: 0000200000000180
[  356.294024][ T9527]  </TASK>
[  356.294051][ T9527] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  356.619312][ T9527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  356.797559][ T2964] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  356.848308][ T2964] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  356.860319][ T9345] veth0_macvtap: entered promiscuous mode
[  356.905021][ T9345] veth1_macvtap: entered promiscuous mode
[  357.063260][ T9345] batman_adv: batadv0: Interface activated: batadv_slave_0
[  357.519598][ T9536] loop6: detected capacity change from 0 to 32768
[  357.669951][ T9345] batman_adv: batadv0: Interface activated: batadv_slave_1
[  357.754617][ T9536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  357.764094][ T9536] CPU: 0 UID: 0 PID: 9536 Comm: syz.6.222 Not tainted syzkaller #0 PREEMPT(full) 
[  357.764118][ T9536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  357.764130][ T9536] Call Trace:
[  357.764137][ T9536]  <TASK>
[  357.764145][ T9536]  dump_stack_lvl+0x189/0x250
[  357.764178][ T9536]  ? __pfx_dump_stack_lvl+0x10/0x10
[  357.764196][ T9536]  ? __pfx__printk+0x10/0x10
[  357.764233][ T9536]  ? kernfs_path_from_node+0x250/0x290
[  357.764253][ T9536]  ? kernfs_path_from_node+0x2f/0x290
[  357.764277][ T9536]  sysfs_create_dir_ns+0x259/0x280
[  357.764299][ T9536]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  357.764321][ T9536]  ? do_raw_spin_unlock+0x122/0x240
[  357.764349][ T9536]  kobject_add_internal+0x6ab/0xcc0
[  357.764376][ T9536]  kobject_init_and_add+0x125/0x190
[  357.764407][ T9536]  ? __pfx_kobject_init_and_add+0x10/0x10
[  357.764434][ T9536]  ? __raw_spin_lock_init+0x45/0x100
[  357.764459][ T9536]  ? __init_swait_queue_head+0xa9/0x150
[  357.764487][ T9536]  gfs2_sys_fs_add+0x234/0x450
[  357.764514][ T9536]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  357.764547][ T9536]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  357.764600][ T9536]  gfs2_fill_super+0x1388/0x21b0
[  357.764636][ T9536]  ? __pfx_gfs2_fill_super+0x10/0x10
[  357.764660][ T9536]  ? sb_set_blocksize+0x155/0x240
[  357.764687][ T9536]  ? setup_bdev_super+0x4c1/0x5b0
[  357.764710][ T9536]  get_tree_bdev_flags+0x40e/0x4d0
[  357.764729][ T9536]  ? __pfx_gfs2_fill_super+0x10/0x10
[  357.764749][ T9536]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  357.764766][ T9536]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  357.764803][ T9536]  gfs2_get_tree+0x51/0x1e0
[  357.764826][ T9536]  vfs_get_tree+0x92/0x2a0
[  357.764847][ T9536]  do_new_mount+0x302/0xa10
[  357.764867][ T9536]  ? apparmor_capable+0x137/0x1a0
[  357.764891][ T9536]  ? __pfx_do_new_mount+0x10/0x10
[  357.764913][ T9536]  ? ns_capable+0x8a/0xf0
[  357.764935][ T9536]  ? kmem_cache_free+0x197/0x620
[  357.764964][ T9536]  __se_sys_mount+0x313/0x410
[  357.764993][ T9536]  ? __pfx___se_sys_mount+0x10/0x10
[  357.765020][ T9536]  ? do_syscall_64+0xbe/0xf80
[  357.765041][ T9536]  ? __x64_sys_mount+0x20/0xc0
[  357.765065][ T9536]  do_syscall_64+0xfa/0xf80
[  357.765089][ T9536]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  357.765106][ T9536]  ? clear_bhb_loop+0x60/0xb0
[  357.765128][ T9536]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  357.765145][ T9536] RIP: 0033:0x7fd417b90eea
[  357.765164][ T9536] 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
[  357.765179][ T9536] RSP: 002b:00007fd4189afe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  357.765198][ T9536] RAX: ffffffffffffffda RBX: 00007fd4189afef0 RCX: 00007fd417b90eea
[  357.765217][ T9536] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd4189afeb0
[  357.765229][ T9536] RBP: 00002000000124c0 R08: 00007fd4189afef0 R09: 0000000000000000
[  357.765241][ T9536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  357.765252][ T9536] R13: 00007fd4189afeb0 R14: 00000000000125c7 R15: 0000200000000180
[  357.765281][ T9536]  </TASK>
[  358.069016][ T9536] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  358.083069][ T9536] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/20 15:38:34 executed programs: 215
[  358.106423][ T9540] loop5: detected capacity change from 0 to 32768
[  358.167857][   T12] netdevsim netdevsim9 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[  358.186541][ T9540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  358.193989][ T9540] CPU: 1 UID: 0 PID: 9540 Comm: syz.5.195 Not tainted syzkaller #0 PREEMPT(full) 
[  358.194012][ T9540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  358.194022][ T9540] Call Trace:
[  358.194030][ T9540]  <TASK>
[  358.194038][ T9540]  dump_stack_lvl+0x189/0x250
[  358.194069][ T9540]  ? __pfx_dump_stack_lvl+0x10/0x10
[  358.194091][ T9540]  ? __pfx__printk+0x10/0x10
[  358.194121][ T9540]  ? kernfs_path_from_node+0x250/0x290
[  358.194141][ T9540]  ? kernfs_path_from_node+0x2f/0x290
[  358.194168][ T9540]  sysfs_create_dir_ns+0x259/0x280
[  358.194194][ T9540]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  358.194213][ T9540]  ? do_raw_spin_unlock+0x122/0x240
[  358.194239][ T9540]  kobject_add_internal+0x6ab/0xcc0
[  358.194264][ T9540]  kobject_init_and_add+0x125/0x190
[  358.194295][ T9540]  ? __pfx_kobject_init_and_add+0x10/0x10
[  358.194319][ T9540]  ? __raw_spin_lock_init+0x45/0x100
[  358.194345][ T9540]  ? __init_swait_queue_head+0xa9/0x150
[  358.194372][ T9540]  gfs2_sys_fs_add+0x234/0x450
[  358.194400][ T9540]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  358.194433][ T9540]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  358.194472][ T9540]  gfs2_fill_super+0x1388/0x21b0
[  358.194509][ T9540]  ? __pfx_gfs2_fill_super+0x10/0x10
[  358.194534][ T9540]  ? sb_set_blocksize+0x155/0x240
[  358.194560][ T9540]  ? setup_bdev_super+0x4c1/0x5b0
[  358.194583][ T9540]  get_tree_bdev_flags+0x40e/0x4d0
[  358.194603][ T9540]  ? __pfx_gfs2_fill_super+0x10/0x10
[  358.194622][ T9540]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  358.194639][ T9540]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  358.194675][ T9540]  gfs2_get_tree+0x51/0x1e0
[  358.194698][ T9540]  vfs_get_tree+0x92/0x2a0
[  358.194721][ T9540]  do_new_mount+0x302/0xa10
[  358.194741][ T9540]  ? apparmor_capable+0x137/0x1a0
[  358.194765][ T9540]  ? __pfx_do_new_mount+0x10/0x10
[  358.194786][ T9540]  ? ns_capable+0x8a/0xf0
[  358.194808][ T9540]  ? kmem_cache_free+0x197/0x620
[  358.194839][ T9540]  __se_sys_mount+0x313/0x410
[  358.194868][ T9540]  ? __pfx___se_sys_mount+0x10/0x10
[  358.194894][ T9540]  ? do_syscall_64+0xbe/0xf80
[  358.194915][ T9540]  ? __x64_sys_mount+0x20/0xc0
[  358.194939][ T9540]  do_syscall_64+0xfa/0xf80
[  358.194962][ T9540]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  358.194980][ T9540]  ? clear_bhb_loop+0x60/0xb0
[  358.195001][ T9540]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  358.195018][ T9540] RIP: 0033:0x7f49a3f90eea
[  358.195036][ T9540] 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
[  358.195051][ T9540] RSP: 002b:00007f49a4eb2e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  358.195070][ T9540] RAX: ffffffffffffffda RBX: 00007f49a4eb2ef0 RCX: 00007f49a3f90eea
[  358.195083][ T9540] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f49a4eb2eb0
[  358.195095][ T9540] RBP: 00002000000124c0 R08: 00007f49a4eb2ef0 R09: 0000000000000000
[  358.195107][ T9540] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  358.195118][ T9540] R13: 00007f49a4eb2eb0 R14: 00000000000125c7 R15: 0000200000000180
[  358.195150][ T9540]  </TASK>
[  358.498872][ T9540] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  358.513021][ T9540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  358.563924][ T9536] loop6: detected capacity change from 0 to 4096
[  358.857755][ T9536] overlayfs: upper fs does not support tmpfile.
[  358.864929][ T9536] overlayfs: upper fs does not support RENAME_WHITEOUT.
[  358.909712][   T12] netdevsim netdevsim9 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[  358.943473][   T12] netdevsim netdevsim9 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  358.952764][ T9145] ntfs3(loop6): ino=5, "/" mi_enum_attr
[  358.967365][ T9145] ntfs3(loop6): ino=5, "/" ntfs_readdir
[  359.103377][ T3465] ntfs3(loop6): ino=5, "/" mi_enum_attr
[  359.130019][ T3465] ntfs3(loop6): ino=5, "/" mi_enum_attr
[  359.140494][   T12] netdevsim netdevsim9 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[  359.160386][ T3465] ntfs3(loop6): ino=5, "/" mi_enum_attr
[  359.521633][ T9551] loop4: detected capacity change from 0 to 32768
[  359.673502][ T9551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  359.681049][ T9551] CPU: 0 UID: 0 PID: 9551 Comm: syz.4.226 Not tainted syzkaller #0 PREEMPT(full) 
[  359.681075][ T9551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  359.681086][ T9551] Call Trace:
[  359.681094][ T9551]  <TASK>
[  359.681102][ T9551]  dump_stack_lvl+0x189/0x250
[  359.681132][ T9551]  ? __pfx_dump_stack_lvl+0x10/0x10
[  359.681153][ T9551]  ? __pfx__printk+0x10/0x10
[  359.681183][ T9551]  ? kernfs_path_from_node+0x250/0x290
[  359.681202][ T9551]  ? kernfs_path_from_node+0x2f/0x290
[  359.681224][ T9551]  sysfs_create_dir_ns+0x259/0x280
[  359.681246][ T9551]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  359.681268][ T9551]  ? do_raw_spin_unlock+0x122/0x240
[  359.681297][ T9551]  kobject_add_internal+0x6ab/0xcc0
[  359.681324][ T9551]  kobject_init_and_add+0x125/0x190
[  359.681356][ T9551]  ? __pfx_kobject_init_and_add+0x10/0x10
[  359.681383][ T9551]  ? __raw_spin_lock_init+0x45/0x100
[  359.681408][ T9551]  ? __init_swait_queue_head+0xa9/0x150
[  359.681434][ T9551]  gfs2_sys_fs_add+0x234/0x450
[  359.681460][ T9551]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  359.681492][ T9551]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  359.681530][ T9551]  gfs2_fill_super+0x1388/0x21b0
[  359.681567][ T9551]  ? __pfx_gfs2_fill_super+0x10/0x10
[  359.681592][ T9551]  ? sb_set_blocksize+0x155/0x240
[  359.681618][ T9551]  ? setup_bdev_super+0x4c1/0x5b0
[  359.681640][ T9551]  get_tree_bdev_flags+0x40e/0x4d0
[  359.681658][ T9551]  ? __pfx_gfs2_fill_super+0x10/0x10
[  359.681677][ T9551]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  359.681693][ T9551]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  359.681729][ T9551]  gfs2_get_tree+0x51/0x1e0
[  359.681751][ T9551]  vfs_get_tree+0x92/0x2a0
[  359.681773][ T9551]  do_new_mount+0x302/0xa10
[  359.681793][ T9551]  ? apparmor_capable+0x137/0x1a0
[  359.681826][ T9551]  ? __pfx_do_new_mount+0x10/0x10
[  359.681848][ T9551]  ? ns_capable+0x8a/0xf0
[  359.681871][ T9551]  ? kmem_cache_free+0x197/0x620
[  359.681902][ T9551]  __se_sys_mount+0x313/0x410
[  359.681930][ T9551]  ? __pfx___se_sys_mount+0x10/0x10
[  359.681956][ T9551]  ? do_syscall_64+0xbe/0xf80
[  359.681977][ T9551]  ? __x64_sys_mount+0x20/0xc0
[  359.682003][ T9551]  do_syscall_64+0xfa/0xf80
[  359.682027][ T9551]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  359.682045][ T9551]  ? clear_bhb_loop+0x60/0xb0
[  359.682064][ T9551]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  359.682081][ T9551] RIP: 0033:0x7f4392590eea
[  359.682099][ T9551] 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
[  359.682114][ T9551] RSP: 002b:00007f4391bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  359.682132][ T9551] RAX: ffffffffffffffda RBX: 00007f4391bfdef0 RCX: 00007f4392590eea
[  359.682145][ T9551] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f4391bfdeb0
[  359.682158][ T9551] RBP: 00002000000124c0 R08: 00007f4391bfdef0 R09: 0000000000000000
[  359.682171][ T9551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  359.682182][ T9551] R13: 00007f4391bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[  359.682214][ T9551]  </TASK>
[  359.682240][ T9551] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  360.009212][ T9551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  360.249144][ T9557] loop5: detected capacity change from 0 to 32768
[  360.310459][ T9557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  360.318016][ T9557] CPU: 1 UID: 0 PID: 9557 Comm: syz.5.224 Not tainted syzkaller #0 PREEMPT(full) 
[  360.318039][ T9557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  360.318050][ T9557] Call Trace:
[  360.318059][ T9557]  <TASK>
[  360.318066][ T9557]  dump_stack_lvl+0x189/0x250
[  360.318097][ T9557]  ? __pfx_dump_stack_lvl+0x10/0x10
[  360.318117][ T9557]  ? __pfx__printk+0x10/0x10
[  360.318148][ T9557]  ? kernfs_path_from_node+0x250/0x290
[  360.318167][ T9557]  ? kernfs_path_from_node+0x2f/0x290
[  360.318190][ T9557]  sysfs_create_dir_ns+0x259/0x280
[  360.318213][ T9557]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  360.318234][ T9557]  ? do_raw_spin_unlock+0x122/0x240
[  360.318263][ T9557]  kobject_add_internal+0x6ab/0xcc0
[  360.318288][ T9557]  kobject_init_and_add+0x125/0x190
[  360.318320][ T9557]  ? __pfx_kobject_init_and_add+0x10/0x10
[  360.318346][ T9557]  ? __raw_spin_lock_init+0x45/0x100
[  360.318371][ T9557]  ? __init_swait_queue_head+0xa9/0x150
[  360.318399][ T9557]  gfs2_sys_fs_add+0x234/0x450
[  360.318426][ T9557]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  360.318458][ T9557]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  360.318497][ T9557]  gfs2_fill_super+0x1388/0x21b0
[  360.318534][ T9557]  ? __pfx_gfs2_fill_super+0x10/0x10
[  360.318558][ T9557]  ? sb_set_blocksize+0x155/0x240
[  360.318584][ T9557]  ? setup_bdev_super+0x4c1/0x5b0
[  360.318606][ T9557]  get_tree_bdev_flags+0x40e/0x4d0
[  360.318624][ T9557]  ? __pfx_gfs2_fill_super+0x10/0x10
[  360.318644][ T9557]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  360.318659][ T9557]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  360.318694][ T9557]  gfs2_get_tree+0x51/0x1e0
[  360.318717][ T9557]  vfs_get_tree+0x92/0x2a0
[  360.318739][ T9557]  do_new_mount+0x302/0xa10
[  360.318759][ T9557]  ? apparmor_capable+0x137/0x1a0
[  360.318782][ T9557]  ? __pfx_do_new_mount+0x10/0x10
[  360.318803][ T9557]  ? ns_capable+0x8a/0xf0
[  360.318825][ T9557]  ? kmem_cache_free+0x197/0x620
[  360.318854][ T9557]  __se_sys_mount+0x313/0x410
[  360.318883][ T9557]  ? __pfx___se_sys_mount+0x10/0x10
[  360.318918][ T9557]  ? do_syscall_64+0xbe/0xf80
[  360.318937][ T9557]  ? __x64_sys_mount+0x20/0xc0
[  360.318961][ T9557]  do_syscall_64+0xfa/0xf80
[  360.318984][ T9557]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  360.319002][ T9557]  ? clear_bhb_loop+0x60/0xb0
[  360.319023][ T9557]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  360.319040][ T9557] RIP: 0033:0x7f49a3f90eea
[  360.319058][ T9557] 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
[  360.319072][ T9557] RSP: 002b:00007f49a4eb2e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  360.319090][ T9557] RAX: ffffffffffffffda RBX: 00007f49a4eb2ef0 RCX: 00007f49a3f90eea
[  360.319103][ T9557] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f49a4eb2eb0
[  360.319115][ T9557] RBP: 00002000000124c0 R08: 00007f49a4eb2ef0 R09: 0000000000000000
[  360.319127][ T9557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  360.319138][ T9557] R13: 00007f49a4eb2eb0 R14: 00000000000125c7 R15: 0000200000000180
[  360.319168][ T9557]  </TASK>
[  360.319193][ T9557] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  360.654148][ T9557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  360.946519][ T9557] loop5: detected capacity change from 0 to 4096
[  361.427888][ T9557] overlayfs: upper fs does not support tmpfile.
[  361.435076][ T9557] overlayfs: upper fs does not support RENAME_WHITEOUT.
[  361.700366][ T6650] ntfs3(loop5): ino=5, "/" mi_enum_attr
[  361.845664][ T6650] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  361.914252][ T6650] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  361.919518][ T9572] loop4: detected capacity change from 0 to 32768
[  361.957073][ T9572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  361.966188][ T9572] CPU: 0 UID: 0 PID: 9572 Comm: syz.4.228 Not tainted syzkaller #0 PREEMPT(full) 
[  361.966212][ T9572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  361.966223][ T9572] Call Trace:
[  361.966231][ T9572]  <TASK>
[  361.966239][ T9572]  dump_stack_lvl+0x189/0x250
[  361.966270][ T9572]  ? __pfx_dump_stack_lvl+0x10/0x10
[  361.966292][ T9572]  ? __pfx__printk+0x10/0x10
[  361.966320][ T9572]  ? kernfs_path_from_node+0x250/0x290
[  361.966340][ T9572]  ? kernfs_path_from_node+0x2f/0x290
[  361.966363][ T9572]  sysfs_create_dir_ns+0x259/0x280
[  361.966385][ T9572]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  361.966406][ T9572]  ? do_raw_spin_unlock+0x122/0x240
[  361.966432][ T9572]  kobject_add_internal+0x6ab/0xcc0
[  361.966457][ T9572]  kobject_init_and_add+0x125/0x190
[  361.966487][ T9572]  ? __pfx_kobject_init_and_add+0x10/0x10
[  361.966513][ T9572]  ? __raw_spin_lock_init+0x45/0x100
[  361.966539][ T9572]  ? __init_swait_queue_head+0xa9/0x150
[  361.966567][ T9572]  gfs2_sys_fs_add+0x234/0x450
[  361.966602][ T9572]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  361.966633][ T9572]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  361.966670][ T9572]  gfs2_fill_super+0x1388/0x21b0
[  361.966706][ T9572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  361.966731][ T9572]  ? sb_set_blocksize+0x155/0x240
[  361.966758][ T9572]  ? setup_bdev_super+0x4c1/0x5b0
[  361.966782][ T9572]  get_tree_bdev_flags+0x40e/0x4d0
[  361.966801][ T9572]  ? __pfx_gfs2_fill_super+0x10/0x10
[  361.966819][ T9572]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  361.966835][ T9572]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  361.966870][ T9572]  gfs2_get_tree+0x51/0x1e0
[  361.966893][ T9572]  vfs_get_tree+0x92/0x2a0
[  361.966915][ T9572]  do_new_mount+0x302/0xa10
[  361.966936][ T9572]  ? apparmor_capable+0x137/0x1a0
[  361.966960][ T9572]  ? __pfx_do_new_mount+0x10/0x10
[  361.966983][ T9572]  ? ns_capable+0x8a/0xf0
[  361.967004][ T9572]  ? kmem_cache_free+0x197/0x620
[  361.967034][ T9572]  __se_sys_mount+0x313/0x410
[  361.967062][ T9572]  ? __pfx___se_sys_mount+0x10/0x10
[  361.967090][ T9572]  ? do_syscall_64+0xbe/0xf80
[  361.967111][ T9572]  ? __x64_sys_mount+0x20/0xc0
[  361.967137][ T9572]  do_syscall_64+0xfa/0xf80
[  361.967160][ T9572]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  361.967178][ T9572]  ? clear_bhb_loop+0x60/0xb0
[  361.967199][ T9572]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  361.967216][ T9572] RIP: 0033:0x7f4392590eea
[  361.967234][ T9572] 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
[  361.967249][ T9572] RSP: 002b:00007f4391bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  361.967267][ T9572] RAX: ffffffffffffffda RBX: 00007f4391bfdef0 RCX: 00007f4392590eea
[  361.967280][ T9572] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f4391bfdeb0
[  361.967292][ T9572] RBP: 00002000000124c0 R08: 00007f4391bfdef0 R09: 0000000000000000
[  361.967304][ T9572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  361.967316][ T9572] R13: 00007f4391bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[  361.967348][ T9572]  </TASK>
[  361.967372][ T9572] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  362.295278][ T9572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  362.748939][ T5957] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[  362.758551][ T5957] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[  362.786702][ T5957] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[  362.795606][ T5957] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[  362.804966][ T5957] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[  362.830644][ T2937] netdevsim netdevsim6 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  363.569670][ T9586] loop4: detected capacity change from 0 to 32768
[  363.627897][ T9586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  363.635404][ T9586] CPU: 0 UID: 0 PID: 9586 Comm: syz.4.233 Not tainted syzkaller #0 PREEMPT(full) 
[  363.635428][ T9586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  363.635439][ T9586] Call Trace:
[  363.635448][ T9586]  <TASK>
[  363.635455][ T9586]  dump_stack_lvl+0x189/0x250
[  363.635485][ T9586]  ? __pfx_dump_stack_lvl+0x10/0x10
[  363.635506][ T9586]  ? __pfx__printk+0x10/0x10
[  363.635537][ T9586]  ? kernfs_path_from_node+0x250/0x290
[  363.635556][ T9586]  ? kernfs_path_from_node+0x2f/0x290
[  363.635580][ T9586]  sysfs_create_dir_ns+0x259/0x280
[  363.635609][ T9586]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  363.635630][ T9586]  ? do_raw_spin_unlock+0x122/0x240
[  363.635659][ T9586]  kobject_add_internal+0x6ab/0xcc0
[  363.635685][ T9586]  kobject_init_and_add+0x125/0x190
[  363.635716][ T9586]  ? __pfx_kobject_init_and_add+0x10/0x10
[  363.635744][ T9586]  ? __raw_spin_lock_init+0x45/0x100
[  363.635769][ T9586]  ? __init_swait_queue_head+0xa9/0x150
[  363.635796][ T9586]  gfs2_sys_fs_add+0x234/0x450
[  363.635823][ T9586]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  363.635857][ T9586]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  363.635895][ T9586]  gfs2_fill_super+0x1388/0x21b0
[  363.635932][ T9586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  363.635957][ T9586]  ? sb_set_blocksize+0x155/0x240
[  363.635982][ T9586]  ? setup_bdev_super+0x4c1/0x5b0
[  363.636006][ T9586]  get_tree_bdev_flags+0x40e/0x4d0
[  363.636026][ T9586]  ? __pfx_gfs2_fill_super+0x10/0x10
[  363.636045][ T9586]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  363.636063][ T9586]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  363.636100][ T9586]  gfs2_get_tree+0x51/0x1e0
[  363.636122][ T9586]  vfs_get_tree+0x92/0x2a0
[  363.636144][ T9586]  do_new_mount+0x302/0xa10
[  363.636164][ T9586]  ? apparmor_capable+0x137/0x1a0
[  363.636188][ T9586]  ? __pfx_do_new_mount+0x10/0x10
[  363.636209][ T9586]  ? ns_capable+0x8a/0xf0
[  363.636231][ T9586]  ? kmem_cache_free+0x197/0x620
[  363.636261][ T9586]  __se_sys_mount+0x313/0x410
[  363.636290][ T9586]  ? __pfx___se_sys_mount+0x10/0x10
[  363.636316][ T9586]  ? do_syscall_64+0xbe/0xf80
[  363.636337][ T9586]  ? __x64_sys_mount+0x20/0xc0
[  363.636362][ T9586]  do_syscall_64+0xfa/0xf80
[  363.636386][ T9586]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  363.636403][ T9586]  ? clear_bhb_loop+0x60/0xb0
[  363.636425][ T9586]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  363.636441][ T9586] RIP: 0033:0x7f4392590eea
[  363.636459][ T9586] 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
[  363.636473][ T9586] RSP: 002b:00007f4391bfde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  363.636492][ T9586] RAX: ffffffffffffffda RBX: 00007f4391bfdef0 RCX: 00007f4392590eea
[  363.636505][ T9586] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f4391bfdeb0
[  363.636517][ T9586] RBP: 00002000000124c0 R08: 00007f4391bfdef0 R09: 0000000000000000
[  363.636529][ T9586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  363.636541][ T9586] R13: 00007f4391bfdeb0 R14: 00000000000125c7 R15: 0000200000000180
[  363.636571][ T9586]  </TASK>
[  363.636608][ T9586] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  363.958627][ T9586] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/20 15:38:40 executed programs: 226
[  364.126566][ T9586] loop4: detected capacity change from 0 to 4096
[  364.229877][ T2937] netdevsim netdevsim6 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  364.343173][ T9586] overlayfs: upper fs does not support tmpfile.
[  364.350850][ T9586] overlayfs: upper fs does not support RENAME_WHITEOUT.
[  364.414816][ T6400] ntfs3(loop4): ino=5, "/" mi_enum_attr
[  364.488937][ T3465] ntfs3(loop5): ino=5, mi_enum_attr
[  364.566356][ T2937] netdevsim netdevsim6 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  364.670694][   T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  364.734354][   T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  364.858034][   T52] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[  364.867126][   T52] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[  364.875351][   T52] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[  364.884756][   T52] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[  364.903469][   T52] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[  364.914467][ T5854] Bluetooth: hci1: command tx timeout
[  365.332326][ T2937] netdevsim netdevsim6 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  365.472079][ T7882] ntfs3(loop4): ino=5, mi_enum_attr
[  365.830730][ T9602] loop9: detected capacity change from 0 to 32768
[  365.919836][ T9602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  365.927356][ T9602] CPU: 1 UID: 0 PID: 9602 Comm: syz.9.200 Not tainted syzkaller #0 PREEMPT(full) 
[  365.927379][ T9602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  365.927389][ T9602] Call Trace:
[  365.927396][ T9602]  <TASK>
[  365.927404][ T9602]  dump_stack_lvl+0x189/0x250
[  365.927434][ T9602]  ? __pfx_dump_stack_lvl+0x10/0x10
[  365.927456][ T9602]  ? __pfx__printk+0x10/0x10
[  365.927486][ T9602]  ? kernfs_path_from_node+0x250/0x290
[  365.927506][ T9602]  ? kernfs_path_from_node+0x2f/0x290
[  365.927529][ T9602]  sysfs_create_dir_ns+0x259/0x280
[  365.927552][ T9602]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  365.927574][ T9602]  ? do_raw_spin_unlock+0x122/0x240
[  365.927602][ T9602]  kobject_add_internal+0x6ab/0xcc0
[  365.927629][ T9602]  kobject_init_and_add+0x125/0x190
[  365.927660][ T9602]  ? __pfx_kobject_init_and_add+0x10/0x10
[  365.927687][ T9602]  ? __raw_spin_lock_init+0x45/0x100
[  365.927712][ T9602]  ? __init_swait_queue_head+0xa9/0x150
[  365.927739][ T9602]  gfs2_sys_fs_add+0x234/0x450
[  365.927766][ T9602]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  365.927799][ T9602]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  365.927837][ T9602]  gfs2_fill_super+0x1388/0x21b0
[  365.927873][ T9602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  365.927897][ T9602]  ? sb_set_blocksize+0x155/0x240
[  365.927923][ T9602]  ? setup_bdev_super+0x4c1/0x5b0
[  365.927946][ T9602]  get_tree_bdev_flags+0x40e/0x4d0
[  365.927966][ T9602]  ? __pfx_gfs2_fill_super+0x10/0x10
[  365.927985][ T9602]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  365.928002][ T9602]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  365.928038][ T9602]  gfs2_get_tree+0x51/0x1e0
[  365.928061][ T9602]  vfs_get_tree+0x92/0x2a0
[  365.928082][ T9602]  do_new_mount+0x302/0xa10
[  365.928103][ T9602]  ? apparmor_capable+0x137/0x1a0
[  365.928134][ T9602]  ? __pfx_do_new_mount+0x10/0x10
[  365.928156][ T9602]  ? ns_capable+0x8a/0xf0
[  365.928177][ T9602]  ? kmem_cache_free+0x197/0x620
[  365.928208][ T9602]  __se_sys_mount+0x313/0x410
[  365.928236][ T9602]  ? __pfx___se_sys_mount+0x10/0x10
[  365.928263][ T9602]  ? do_syscall_64+0xbe/0xf80
[  365.928285][ T9602]  ? __x64_sys_mount+0x20/0xc0
[  365.928309][ T9602]  do_syscall_64+0xfa/0xf80
[  365.928332][ T9602]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  365.928350][ T9602]  ? clear_bhb_loop+0x60/0xb0
[  365.928371][ T9602]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  365.928389][ T9602] RIP: 0033:0x7f56da590eea
[  365.928406][ T9602] 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
[  365.928421][ T9602] RSP: 002b:00007f56db340e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  365.928440][ T9602] RAX: ffffffffffffffda RBX: 00007f56db340ef0 RCX: 00007f56da590eea
[  365.928453][ T9602] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f56db340eb0
[  365.928464][ T9602] RBP: 00002000000124c0 R08: 00007f56db340ef0 R09: 0000000000000000
[  365.928475][ T9602] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  365.928487][ T9602] R13: 00007f56db340eb0 R14: 00000000000125c7 R15: 0000200000000180
[  365.928518][ T9602]  </TASK>
[  365.928543][ T9602] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  366.252551][ T9602] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  366.372870][   T52] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1
[  366.429766][ T9602] loop9: detected capacity change from 0 to 4096
[  366.486016][   T52] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9
[  366.494021][   T52] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9
[  366.502143][   T52] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4
[  366.509871][   T52] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2
[  366.643779][ T9602] overlayfs: upper fs does not support tmpfile.
[  366.651131][ T9602] overlayfs: upper fs does not support RENAME_WHITEOUT.
[  366.754784][ T7490] ntfs3(loop9): ino=5, "/" mi_enum_attr
[  367.035021][ T5957] Bluetooth: hci1: command tx timeout
[  367.040743][   T52] Bluetooth: hci0: command tx timeout
[  368.062791][ T6116] ntfs3(loop9): ino=5, mi_enum_attr
[  368.280043][ T9580] chnl_net:caif_netlink_parms(): no params data found
[  368.584441][ T5957] Bluetooth: hci2: command tx timeout
[  368.591323][ T5957] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1
[  368.627933][ T5957] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9
[  368.636443][ T5957] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9
[  368.645275][ T5957] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4
[  368.654131][ T5957] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2
[  368.814084][ T2937] bridge_slave_1: left allmulticast mode
[  368.849737][ T2937] bridge_slave_1: left promiscuous mode
[  368.888745][ T2937] bridge0: port 2(bridge_slave_1) entered disabled state
[  368.986489][ T2937] bridge_slave_0: left allmulticast mode
[  368.992184][ T2937] bridge_slave_0: left promiscuous mode
[  369.054563][ T2937] bridge0: port 1(bridge_slave_0) entered disabled state
[  369.141646][   T52] Bluetooth: hci1: command tx timeout
[  369.149803][ T5957] Bluetooth: hci0: command tx timeout
2025/12/20 15:38:45 executed programs: 237
[  370.412181][ T2937] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  370.440020][ T2937] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  370.468700][ T2937] bond0 (unregistering): Released all slaves
[  370.801054][ T5957] Bluetooth: hci4: command tx timeout
[  370.812539][   T52] Bluetooth: hci2: command tx timeout
[  370.876346][ T9597] chnl_net:caif_netlink_parms(): no params data found
[  371.233113][ T5957] Bluetooth: hci0: command tx timeout
[  371.238719][   T52] Bluetooth: hci1: command tx timeout
[  371.552883][ T9580] bridge0: port 1(bridge_slave_0) entered blocking state
[  371.560552][ T9580] bridge0: port 1(bridge_slave_0) entered disabled state
[  371.568267][ T9580] bridge_slave_0: entered allmulticast mode
[  371.576592][ T9580] bridge_slave_0: entered promiscuous mode
[  371.587506][ T9625] chnl_net:caif_netlink_parms(): no params data found
[  371.760722][ T9580] bridge0: port 2(bridge_slave_1) entered blocking state
[  371.769913][ T9580] bridge0: port 2(bridge_slave_1) entered disabled state
[  371.778402][ T9580] bridge_slave_1: entered allmulticast mode
[  371.786809][ T9580] bridge_slave_1: entered promiscuous mode
[  372.154030][ T9597] bridge0: port 1(bridge_slave_0) entered blocking state
[  372.161538][ T9597] bridge0: port 1(bridge_slave_0) entered disabled state
[  372.176087][ T9597] bridge_slave_0: entered allmulticast mode
[  372.186073][ T9597] bridge_slave_0: entered promiscuous mode
[  372.195488][ T9597] bridge0: port 2(bridge_slave_1) entered blocking state
[  372.203670][ T9597] bridge0: port 2(bridge_slave_1) entered disabled state
[  372.211449][ T9597] bridge_slave_1: entered allmulticast mode
[  372.219817][ T9597] bridge_slave_1: entered promiscuous mode
[  372.227454][ T9609] chnl_net:caif_netlink_parms(): no params data found
[  372.255191][ T9580] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  372.268243][ T9580] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  372.332942][ T9580] team0: Port device team_slave_0 added
[  372.342558][ T9580] team0: Port device team_slave_1 added
[  372.383904][ T9580] batman_adv: batadv0: Adding interface: batadv_slave_0
[  372.391667][ T9580] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  372.427728][ T9580] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[  372.442168][ T9580] batman_adv: batadv0: Adding interface: batadv_slave_1
[  372.450194][ T9580] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  372.477093][ T9580] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[  372.550007][ T9580] hsr_slave_0: entered promiscuous mode
[  372.557360][ T9580] hsr_slave_1: entered promiscuous mode
[  372.824316][   T52] Bluetooth: hci4: command tx timeout
[  372.829853][ T5957] Bluetooth: hci2: command tx timeout
[  372.922430][ T2937] hsr_slave_0: left promiscuous mode
[  372.931217][ T2937] hsr_slave_1: left promiscuous mode
[  372.938005][ T2937] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  372.945816][ T2937] batman_adv: batadv0: Removing interface: batadv_slave_0
[  372.954140][ T2937] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  372.961991][ T2937] batman_adv: batadv0: Removing interface: batadv_slave_1
[  372.981844][ T2937] veth1_macvtap: left promiscuous mode
[  372.989028][ T2937] veth0_macvtap: left promiscuous mode
[  372.995261][ T2937] veth1_vlan: left promiscuous mode
[  373.002228][ T2937] veth0_vlan: left promiscuous mode
[  373.309321][ T5957] Bluetooth: hci0: command tx timeout
[  373.773421][ T2937] team0 (unregistering): Port device team_slave_1 removed
[  373.827492][ T2937] team0 (unregistering): Port device team_slave_0 removed
[  374.556727][ T9625] bridge0: port 1(bridge_slave_0) entered blocking state
[  374.564088][ T9625] bridge0: port 1(bridge_slave_0) entered disabled state
[  374.572752][ T9625] bridge_slave_0: entered allmulticast mode
[  374.589679][ T9625] bridge_slave_0: entered promiscuous mode
2025/12/20 15:38:51 executed programs: 245
[  374.830745][ T9597] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  374.841845][ T9625] bridge0: port 2(bridge_slave_1) entered blocking state
[  374.849524][ T9625] bridge0: port 2(bridge_slave_1) entered disabled state
[  374.858028][ T9625] bridge_slave_1: entered allmulticast mode
[  374.867921][ T9625] bridge_slave_1: entered promiscuous mode
[  374.904500][   T52] Bluetooth: hci4: command tx timeout
[  374.910092][ T5957] Bluetooth: hci2: command tx timeout
[  374.916766][ T9609] bridge0: port 1(bridge_slave_0) entered blocking state
[  374.923932][ T9609] bridge0: port 1(bridge_slave_0) entered disabled state
[  374.931430][ T9609] bridge_slave_0: entered allmulticast mode
[  374.939534][ T9609] bridge_slave_0: entered promiscuous mode
[  374.949139][ T9609] bridge0: port 2(bridge_slave_1) entered blocking state
[  374.956468][ T9609] bridge0: port 2(bridge_slave_1) entered disabled state
[  374.966453][ T9609] bridge_slave_1: entered allmulticast mode
[  374.974795][ T9609] bridge_slave_1: entered promiscuous mode
[  375.129434][ T9609] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  375.143024][ T9609] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  375.220392][ T9609] team0: Port device team_slave_0 added
[  375.234922][ T9609] team0: Port device team_slave_1 added
[  375.279992][ T9609] batman_adv: batadv0: Adding interface: batadv_slave_0
[  375.287345][ T9609] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  375.316288][ T9609] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[  375.454159][ T9609] batman_adv: batadv0: Adding interface: batadv_slave_1
[  375.461183][ T9609] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  375.490664][ T9609] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[  375.539889][ T9597] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  375.751802][ T9597] team0: Port device team_slave_0 added
[  375.763829][ T9625] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  375.830497][ T9597] team0: Port device team_slave_1 added
[  375.849332][ T9625] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  375.870585][ T9609] hsr_slave_0: entered promiscuous mode
[  375.878048][ T9609] hsr_slave_1: entered promiscuous mode
[  375.897683][ T9609] debugfs: 'hsr0' already exists in 'hsr'
[  375.903444][ T9609] Cannot create hsr debugfs directory
[  376.206229][ T9597] batman_adv: batadv0: Adding interface: batadv_slave_0
[  376.213208][ T9597] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  376.240038][ T9597] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[  376.271027][ T9625] team0: Port device team_slave_0 added
[  376.314891][ T9597] batman_adv: batadv0: Adding interface: batadv_slave_1
[  376.325372][ T9597] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  376.351599][ T9597] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[  376.365996][ T9625] team0: Port device team_slave_1 added
[  376.407101][ T9625] batman_adv: batadv0: Adding interface: batadv_slave_0
[  376.414079][ T9625] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  376.440531][ T9625] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[  376.472875][ T9625] batman_adv: batadv0: Adding interface: batadv_slave_1
[  376.481039][ T9625] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  376.509286][ T9625] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[  376.686558][ T9597] hsr_slave_0: entered promiscuous mode
[  376.693558][ T9597] hsr_slave_1: entered promiscuous mode
[  376.700235][ T9597] debugfs: 'hsr0' already exists in 'hsr'
[  376.715801][ T9597] Cannot create hsr debugfs directory
[  376.731764][ T9625] hsr_slave_0: entered promiscuous mode
[  376.739386][ T9625] hsr_slave_1: entered promiscuous mode
[  376.746008][ T9625] debugfs: 'hsr0' already exists in 'hsr'
[  376.751852][ T9625] Cannot create hsr debugfs directory
[  376.984364][ T5957] Bluetooth: hci4: command tx timeout
[  377.190651][ T2937] netdevsim netdevsim9 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  377.402242][ T2937] netdevsim netdevsim9 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  377.725880][ T2937] netdevsim netdevsim9 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  377.919947][ T9580] netdevsim netdevsim3 netdevsim0: renamed from eth0
[  377.959302][ T2937] netdevsim netdevsim9 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  377.982666][ T9580] netdevsim netdevsim3 netdevsim1: renamed from eth1
[  377.998182][ T9580] netdevsim netdevsim3 netdevsim2: renamed from eth2
[  378.062442][ T9580] netdevsim netdevsim3 netdevsim3: renamed from eth3
[  378.572786][ T9580] 8021q: adding VLAN 0 to HW filter on device bond0
[  378.619872][ T9580] 8021q: adding VLAN 0 to HW filter on device team0
[  378.641312][   T12] bridge0: port 1(bridge_slave_0) entered blocking state
[  378.648566][   T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[  378.689320][   T12] bridge0: port 2(bridge_slave_1) entered blocking state
[  378.696586][   T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[  378.776763][ T1302] ieee802154 phy0 wpan0: encryption failed: -22
[  378.783397][ T1302] ieee802154 phy1 wpan1: encryption failed: -22
[  379.116262][ T2937] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  379.288266][ T2937] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  379.438094][ T2937] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  379.490714][ T9580] 8021q: adding VLAN 0 to HW filter on device batadv0
[  379.558378][ T9580] veth0_vlan: entered promiscuous mode
[  379.746207][ T2937] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  379.771081][ T9580] veth1_vlan: entered promiscuous mode
[  379.840900][ T9580] veth0_macvtap: entered promiscuous mode
[  379.863620][ T9580] veth1_macvtap: entered promiscuous mode
[  379.949548][ T9580] batman_adv: batadv0: Interface activated: batadv_slave_0
[  379.983029][ T9580] batman_adv: batadv0: Interface activated: batadv_slave_1
[  380.052873][ T3465] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[  380.130629][ T2937] netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  380.174553][ T3465] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[  380.304773][ T3465] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  380.325540][ T3465] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2025/12/20 15:38:56 executed programs: 253
[  380.532621][ T2937] netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  380.640988][ T2937] netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  380.847793][ T2937] netdevsim netdevsim5 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  380.915161][ T6116] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  380.962070][ T6116] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  381.052578][ T6116] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  381.195929][ T6116] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  381.379035][ T2937] bridge_slave_1: left allmulticast mode
[  381.411337][ T2937] bridge_slave_1: left promiscuous mode
[  381.429396][ T2937] bridge0: port 2(bridge_slave_1) entered disabled state
[  381.463829][ T2937] bridge_slave_0: left allmulticast mode
[  381.474752][ T2937] bridge_slave_0: left promiscuous mode
[  381.480583][ T2937] bridge0: port 1(bridge_slave_0) entered disabled state
[  381.850117][ T9739] loop3: detected capacity change from 0 to 32768
[  381.925786][ T9739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  381.934329][ T9739] CPU: 0 UID: 0 PID: 9739 Comm: syz.3.232 Not tainted syzkaller #0 PREEMPT(full) 
[  381.934354][ T9739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  381.934365][ T9739] Call Trace:
[  381.934372][ T9739]  <TASK>
[  381.934380][ T9739]  dump_stack_lvl+0x189/0x250
[  381.934411][ T9739]  ? __pfx_dump_stack_lvl+0x10/0x10
[  381.934431][ T9739]  ? __pfx__printk+0x10/0x10
[  381.934462][ T9739]  ? kernfs_path_from_node+0x250/0x290
[  381.934481][ T9739]  ? kernfs_path_from_node+0x2f/0x290
[  381.934504][ T9739]  sysfs_create_dir_ns+0x259/0x280
[  381.934527][ T9739]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  381.934549][ T9739]  ? do_raw_spin_unlock+0x122/0x240
[  381.934578][ T9739]  kobject_add_internal+0x6ab/0xcc0
[  381.934604][ T9739]  kobject_init_and_add+0x125/0x190
[  381.934635][ T9739]  ? __pfx_kobject_init_and_add+0x10/0x10
[  381.934662][ T9739]  ? __raw_spin_lock_init+0x45/0x100
[  381.934687][ T9739]  ? __init_swait_queue_head+0xa9/0x150
[  381.934715][ T9739]  gfs2_sys_fs_add+0x234/0x450
[  381.934741][ T9739]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  381.934780][ T9739]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  381.934818][ T9739]  gfs2_fill_super+0x1388/0x21b0
[  381.934855][ T9739]  ? __pfx_gfs2_fill_super+0x10/0x10
[  381.934879][ T9739]  ? sb_set_blocksize+0x155/0x240
[  381.934905][ T9739]  ? setup_bdev_super+0x4c1/0x5b0
[  381.934928][ T9739]  get_tree_bdev_flags+0x40e/0x4d0
[  381.934947][ T9739]  ? __pfx_gfs2_fill_super+0x10/0x10
[  381.934966][ T9739]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  381.934983][ T9739]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  381.935018][ T9739]  gfs2_get_tree+0x51/0x1e0
[  381.935041][ T9739]  vfs_get_tree+0x92/0x2a0
[  381.935062][ T9739]  do_new_mount+0x302/0xa10
[  381.935083][ T9739]  ? apparmor_capable+0x137/0x1a0
[  381.935107][ T9739]  ? __pfx_do_new_mount+0x10/0x10
[  381.935128][ T9739]  ? ns_capable+0x8a/0xf0
[  381.935150][ T9739]  ? kmem_cache_free+0x197/0x620
[  381.935181][ T9739]  __se_sys_mount+0x313/0x410
[  381.935209][ T9739]  ? __pfx___se_sys_mount+0x10/0x10
[  381.935236][ T9739]  ? do_syscall_64+0xbe/0xf80
[  381.935257][ T9739]  ? __x64_sys_mount+0x20/0xc0
[  381.935281][ T9739]  do_syscall_64+0xfa/0xf80
[  381.935305][ T9739]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  381.935321][ T9739]  ? clear_bhb_loop+0x60/0xb0
[  381.935344][ T9739]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  381.935361][ T9739] RIP: 0033:0x7f8c58190eea
[  381.935379][ T9739] 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
[  381.935395][ T9739] RSP: 002b:00007f8c59101e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  381.935413][ T9739] RAX: ffffffffffffffda RBX: 00007f8c59101ef0 RCX: 00007f8c58190eea
[  381.935426][ T9739] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8c59101eb0
[  381.935439][ T9739] RBP: 00002000000124c0 R08: 00007f8c59101ef0 R09: 0000000000000000
[  381.935451][ T9739] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  381.935462][ T9739] R13: 00007f8c59101eb0 R14: 00000000000125c7 R15: 0000200000000180
[  381.935493][ T9739]  </TASK>
[  381.935517][ T9739] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  382.263161][ T9739] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  382.454783][ T2937] bridge_slave_1: left allmulticast mode
[  382.460472][ T2937] bridge_slave_1: left promiscuous mode
[  382.478095][ T2937] bridge0: port 2(bridge_slave_1) entered disabled state
[  382.528105][ T2937] bridge_slave_0: left allmulticast mode
[  382.533807][ T2937] bridge_slave_0: left promiscuous mode
[  382.557989][ T2937] bridge0: port 1(bridge_slave_0) entered disabled state
[  382.651892][ T2937] bridge_slave_1: left allmulticast mode
[  382.699439][ T2937] bridge_slave_1: left promiscuous mode
[  382.712483][ T2937] bridge0: port 2(bridge_slave_1) entered disabled state
[  382.756450][ T2937] bridge_slave_0: left allmulticast mode
[  382.763561][ T2937] bridge_slave_0: left promiscuous mode
[  382.784414][ T2937] bridge0: port 1(bridge_slave_0) entered disabled state
[  383.142032][ T9753] loop3: detected capacity change from 0 to 32768
[  383.231356][ T9753] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  383.238919][ T9753] CPU: 0 UID: 0 PID: 9753 Comm: syz.3.267 Not tainted syzkaller #0 PREEMPT(full) 
[  383.238943][ T9753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  383.238953][ T9753] Call Trace:
[  383.238961][ T9753]  <TASK>
[  383.238968][ T9753]  dump_stack_lvl+0x189/0x250
[  383.238998][ T9753]  ? __pfx_dump_stack_lvl+0x10/0x10
[  383.239020][ T9753]  ? __pfx__printk+0x10/0x10
[  383.239050][ T9753]  ? kernfs_path_from_node+0x250/0x290
[  383.239069][ T9753]  ? kernfs_path_from_node+0x2f/0x290
[  383.239092][ T9753]  sysfs_create_dir_ns+0x259/0x280
[  383.239115][ T9753]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  383.239137][ T9753]  ? do_raw_spin_unlock+0x122/0x240
[  383.239166][ T9753]  kobject_add_internal+0x6ab/0xcc0
[  383.239192][ T9753]  kobject_init_and_add+0x125/0x190
[  383.239224][ T9753]  ? __pfx_kobject_init_and_add+0x10/0x10
[  383.239251][ T9753]  ? __raw_spin_lock_init+0x45/0x100
[  383.239276][ T9753]  ? __init_swait_queue_head+0xa9/0x150
[  383.239303][ T9753]  gfs2_sys_fs_add+0x234/0x450
[  383.239330][ T9753]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  383.239353][ T9753]  ? irqentry_exit+0x5dd/0x660
[  383.239399][ T9753]  gfs2_fill_super+0x1388/0x21b0
[  383.239435][ T9753]  ? __pfx_gfs2_fill_super+0x10/0x10
[  383.239459][ T9753]  ? sb_set_blocksize+0x155/0x240
[  383.239484][ T9753]  ? setup_bdev_super+0x4c1/0x5b0
[  383.239507][ T9753]  get_tree_bdev_flags+0x40e/0x4d0
[  383.239526][ T9753]  ? __pfx_gfs2_fill_super+0x10/0x10
[  383.239545][ T9753]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  383.239562][ T9753]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  383.239598][ T9753]  gfs2_get_tree+0x51/0x1e0
[  383.239621][ T9753]  vfs_get_tree+0x92/0x2a0
[  383.239643][ T9753]  do_new_mount+0x302/0xa10
[  383.239663][ T9753]  ? apparmor_capable+0x137/0x1a0
[  383.239687][ T9753]  ? __pfx_do_new_mount+0x10/0x10
[  383.239715][ T9753]  ? ns_capable+0x8a/0xf0
[  383.239737][ T9753]  ? kmem_cache_free+0x197/0x620
[  383.239768][ T9753]  __se_sys_mount+0x313/0x410
[  383.239797][ T9753]  ? __pfx___se_sys_mount+0x10/0x10
[  383.239823][ T9753]  ? do_syscall_64+0xbe/0xf80
[  383.239844][ T9753]  ? __x64_sys_mount+0x20/0xc0
[  383.239869][ T9753]  do_syscall_64+0xfa/0xf80
[  383.239892][ T9753]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  383.239909][ T9753]  ? clear_bhb_loop+0x60/0xb0
[  383.239932][ T9753]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  383.239949][ T9753] RIP: 0033:0x7f8c58190eea
[  383.239967][ T9753] 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
[  383.239982][ T9753] RSP: 002b:00007f8c59101e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  383.240001][ T9753] RAX: ffffffffffffffda RBX: 00007f8c59101ef0 RCX: 00007f8c58190eea
[  383.240013][ T9753] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8c59101eb0
[  383.240025][ T9753] RBP: 00002000000124c0 R08: 00007f8c59101ef0 R09: 0000000000000000
[  383.240037][ T9753] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  383.240047][ T9753] R13: 00007f8c59101eb0 R14: 00000000000125c7 R15: 0000200000000180
[  383.240078][ T9753]  </TASK>
[  383.240103][ T9753] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  383.566745][ T9753] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  384.545491][ T9773] loop3: detected capacity change from 0 to 32768
[  384.588204][ T9773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  384.597710][ T9773] CPU: 0 UID: 0 PID: 9773 Comm: syz.3.269 Not tainted syzkaller #0 PREEMPT(full) 
[  384.597733][ T9773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  384.597743][ T9773] Call Trace:
[  384.597750][ T9773]  <TASK>
[  384.597758][ T9773]  dump_stack_lvl+0x189/0x250
[  384.597790][ T9773]  ? __pfx_dump_stack_lvl+0x10/0x10
[  384.597811][ T9773]  ? __pfx__printk+0x10/0x10
[  384.597840][ T9773]  ? kernfs_path_from_node+0x250/0x290
[  384.597859][ T9773]  ? kernfs_path_from_node+0x2f/0x290
[  384.597882][ T9773]  sysfs_create_dir_ns+0x259/0x280
[  384.597904][ T9773]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  384.597925][ T9773]  ? do_raw_spin_unlock+0x122/0x240
[  384.597953][ T9773]  kobject_add_internal+0x6ab/0xcc0
[  384.597979][ T9773]  kobject_init_and_add+0x125/0x190
[  384.598010][ T9773]  ? __pfx_kobject_init_and_add+0x10/0x10
[  384.598037][ T9773]  ? __raw_spin_lock_init+0x45/0x100
[  384.598061][ T9773]  ? __init_swait_queue_head+0xa9/0x150
[  384.598096][ T9773]  gfs2_sys_fs_add+0x234/0x450
[  384.598122][ T9773]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  384.598155][ T9773]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  384.598194][ T9773]  gfs2_fill_super+0x1388/0x21b0
[  384.598230][ T9773]  ? __pfx_gfs2_fill_super+0x10/0x10
[  384.598261][ T9773]  ? sb_set_blocksize+0x155/0x240
[  384.598287][ T9773]  ? setup_bdev_super+0x4c1/0x5b0
[  384.598310][ T9773]  get_tree_bdev_flags+0x40e/0x4d0
[  384.598329][ T9773]  ? __pfx_gfs2_fill_super+0x10/0x10
[  384.598348][ T9773]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  384.598365][ T9773]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  384.598402][ T9773]  gfs2_get_tree+0x51/0x1e0
[  384.598424][ T9773]  vfs_get_tree+0x92/0x2a0
[  384.598446][ T9773]  do_new_mount+0x302/0xa10
[  384.598466][ T9773]  ? apparmor_capable+0x137/0x1a0
[  384.598491][ T9773]  ? __pfx_do_new_mount+0x10/0x10
[  384.598512][ T9773]  ? ns_capable+0x8a/0xf0
[  384.598534][ T9773]  ? kmem_cache_free+0x197/0x620
[  384.598564][ T9773]  __se_sys_mount+0x313/0x410
[  384.598592][ T9773]  ? __pfx___se_sys_mount+0x10/0x10
[  384.598629][ T9773]  ? do_syscall_64+0xbe/0xf80
[  384.598650][ T9773]  ? __x64_sys_mount+0x20/0xc0
[  384.598673][ T9773]  do_syscall_64+0xfa/0xf80
[  384.598696][ T9773]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  384.598714][ T9773]  ? clear_bhb_loop+0x60/0xb0
[  384.598736][ T9773]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  384.598753][ T9773] RIP: 0033:0x7f8c58190eea
[  384.598770][ T9773] 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
[  384.598783][ T9773] RSP: 002b:00007f8c59101e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  384.598800][ T9773] RAX: ffffffffffffffda RBX: 00007f8c59101ef0 RCX: 00007f8c58190eea
[  384.598810][ T9773] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8c59101eb0
[  384.598820][ T9773] RBP: 00002000000124c0 R08: 00007f8c59101ef0 R09: 0000000000000000
[  384.598832][ T9773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  384.598841][ T9773] R13: 00007f8c59101eb0 R14: 00000000000125c7 R15: 0000200000000180
[  384.598867][ T9773]  </TASK>
[  384.598887][ T9773] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  384.924386][ T9773] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  385.729038][ T9790] loop3: detected capacity change from 0 to 32768
[  385.920998][ T9790] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  385.929044][ T9790] CPU: 1 UID: 0 PID: 9790 Comm: syz.3.271 Not tainted syzkaller #0 PREEMPT(full) 
[  385.929067][ T9790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  385.929076][ T9790] Call Trace:
[  385.929083][ T9790]  <TASK>
[  385.929091][ T9790]  dump_stack_lvl+0x189/0x250
[  385.929119][ T9790]  ? __pfx_dump_stack_lvl+0x10/0x10
[  385.929136][ T9790]  ? __pfx__printk+0x10/0x10
[  385.929164][ T9790]  ? kernfs_path_from_node+0x250/0x290
[  385.929182][ T9790]  ? kernfs_path_from_node+0x2f/0x290
[  385.929203][ T9790]  sysfs_create_dir_ns+0x259/0x280
[  385.929224][ T9790]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  385.929244][ T9790]  ? do_raw_spin_unlock+0x122/0x240
[  385.929271][ T9790]  kobject_add_internal+0x6ab/0xcc0
[  385.929297][ T9790]  kobject_init_and_add+0x125/0x190
2025/12/20 15:39:02 executed programs: 262
[  385.929327][ T9790]  ? __pfx_kobject_init_and_add+0x10/0x10
[  385.929352][ T9790]  ? __raw_spin_lock_init+0x45/0x100
[  385.929376][ T9790]  ? __init_swait_queue_head+0xa9/0x150
[  385.929403][ T9790]  gfs2_sys_fs_add+0x234/0x450
[  385.929438][ T9790]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  385.929471][ T9790]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  385.929508][ T9790]  gfs2_fill_super+0x1388/0x21b0
[  385.929544][ T9790]  ? __pfx_gfs2_fill_super+0x10/0x10
[  385.929569][ T9790]  ? sb_set_blocksize+0x155/0x240
[  385.929595][ T9790]  ? setup_bdev_super+0x4c1/0x5b0
[  385.929618][ T9790]  get_tree_bdev_flags+0x40e/0x4d0
[  385.929636][ T9790]  ? __pfx_gfs2_fill_super+0x10/0x10
[  385.929655][ T9790]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  385.929672][ T9790]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  385.929708][ T9790]  gfs2_get_tree+0x51/0x1e0
[  385.929731][ T9790]  vfs_get_tree+0x92/0x2a0
[  385.929753][ T9790]  do_new_mount+0x302/0xa10
[  385.929773][ T9790]  ? apparmor_capable+0x137/0x1a0
[  385.929797][ T9790]  ? __pfx_do_new_mount+0x10/0x10
[  385.929818][ T9790]  ? ns_capable+0x8a/0xf0
[  385.929836][ T9790]  ? kmem_cache_free+0x197/0x620
[  385.929863][ T9790]  __se_sys_mount+0x313/0x410
[  385.929892][ T9790]  ? __pfx___se_sys_mount+0x10/0x10
[  385.929919][ T9790]  ? do_syscall_64+0xbe/0xf80
[  385.929939][ T9790]  ? __x64_sys_mount+0x20/0xc0
[  385.929963][ T9790]  do_syscall_64+0xfa/0xf80
[  385.929986][ T9790]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  385.930003][ T9790]  ? clear_bhb_loop+0x60/0xb0
[  385.930025][ T9790]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  385.930042][ T9790] RIP: 0033:0x7f8c58190eea
[  385.930060][ T9790] 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
[  385.930074][ T9790] RSP: 002b:00007f8c59101e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  385.930092][ T9790] RAX: ffffffffffffffda RBX: 00007f8c59101ef0 RCX: 00007f8c58190eea
[  385.930105][ T9790] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8c59101eb0
[  385.930117][ T9790] RBP: 00002000000124c0 R08: 00007f8c59101ef0 R09: 0000000000000000
[  385.930129][ T9790] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  385.930140][ T9790] R13: 00007f8c59101eb0 R14: 00000000000125c7 R15: 0000200000000180
[  385.930171][ T9790]  </TASK>
[  385.930195][ T9790] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  386.261256][ T9790] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  387.908699][ T9809] loop3: detected capacity change from 0 to 32768
[  387.954863][ T9809] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  387.962326][ T9809] CPU: 1 UID: 0 PID: 9809 Comm: syz.3.275 Not tainted syzkaller #0 PREEMPT(full) 
[  387.962351][ T9809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  387.962362][ T9809] Call Trace:
[  387.962369][ T9809]  <TASK>
[  387.962377][ T9809]  dump_stack_lvl+0x189/0x250
[  387.962408][ T9809]  ? __pfx_dump_stack_lvl+0x10/0x10
[  387.962430][ T9809]  ? __pfx__printk+0x10/0x10
[  387.962460][ T9809]  ? kernfs_path_from_node+0x250/0x290
[  387.962480][ T9809]  ? kernfs_path_from_node+0x2f/0x290
[  387.962504][ T9809]  sysfs_create_dir_ns+0x259/0x280
[  387.962526][ T9809]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  387.962548][ T9809]  ? do_raw_spin_unlock+0x122/0x240
[  387.962577][ T9809]  kobject_add_internal+0x6ab/0xcc0
[  387.962604][ T9809]  kobject_init_and_add+0x125/0x190
[  387.962637][ T9809]  ? __pfx_kobject_init_and_add+0x10/0x10
[  387.962663][ T9809]  ? __raw_spin_lock_init+0x45/0x100
[  387.962688][ T9809]  ? __init_swait_queue_head+0xa9/0x150
[  387.962717][ T9809]  gfs2_sys_fs_add+0x234/0x450
[  387.962743][ T9809]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  387.962776][ T9809]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  387.962814][ T9809]  gfs2_fill_super+0x1388/0x21b0
[  387.962850][ T9809]  ? __pfx_gfs2_fill_super+0x10/0x10
[  387.962875][ T9809]  ? sb_set_blocksize+0x155/0x240
[  387.962900][ T9809]  ? setup_bdev_super+0x4c1/0x5b0
[  387.962923][ T9809]  get_tree_bdev_flags+0x40e/0x4d0
[  387.962942][ T9809]  ? __pfx_gfs2_fill_super+0x10/0x10
[  387.962962][ T9809]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  387.962979][ T9809]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  387.963015][ T9809]  gfs2_get_tree+0x51/0x1e0
[  387.963038][ T9809]  vfs_get_tree+0x92/0x2a0
[  387.963060][ T9809]  do_new_mount+0x302/0xa10
[  387.963080][ T9809]  ? apparmor_capable+0x137/0x1a0
[  387.963105][ T9809]  ? __pfx_do_new_mount+0x10/0x10
[  387.963127][ T9809]  ? ns_capable+0x8a/0xf0
[  387.963149][ T9809]  ? kmem_cache_free+0x197/0x620
[  387.963179][ T9809]  __se_sys_mount+0x313/0x410
[  387.963214][ T9809]  ? __pfx___se_sys_mount+0x10/0x10
[  387.963241][ T9809]  ? do_syscall_64+0xbe/0xf80
[  387.963262][ T9809]  ? __x64_sys_mount+0x20/0xc0
[  387.963285][ T9809]  do_syscall_64+0xfa/0xf80
[  387.963308][ T9809]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  387.963326][ T9809]  ? clear_bhb_loop+0x60/0xb0
[  387.963348][ T9809]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  387.963364][ T9809] RIP: 0033:0x7f8c58190eea
[  387.963383][ T9809] 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
[  387.963398][ T9809] RSP: 002b:00007f8c59101e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  387.963417][ T9809] RAX: ffffffffffffffda RBX: 00007f8c59101ef0 RCX: 00007f8c58190eea
[  387.963429][ T9809] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8c59101eb0
[  387.963441][ T9809] RBP: 00002000000124c0 R08: 00007f8c59101ef0 R09: 0000000000000000
[  387.963453][ T9809] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  387.963465][ T9809] R13: 00007f8c59101eb0 R14: 00000000000125c7 R15: 0000200000000180
[  387.963495][ T9809]  </TASK>
[  387.963520][ T9809] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  388.284530][ T9809] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  388.976915][ T9818] loop3: detected capacity change from 0 to 32768
[  389.056848][ T9818] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  389.064991][ T9818] CPU: 1 UID: 0 PID: 9818 Comm: syz.3.276 Not tainted syzkaller #0 PREEMPT(full) 
[  389.065014][ T9818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  389.065025][ T9818] Call Trace:
[  389.065032][ T9818]  <TASK>
[  389.065040][ T9818]  dump_stack_lvl+0x189/0x250
[  389.065071][ T9818]  ? __pfx_dump_stack_lvl+0x10/0x10
[  389.065093][ T9818]  ? __pfx__printk+0x10/0x10
[  389.065123][ T9818]  ? kernfs_path_from_node+0x250/0x290
[  389.065142][ T9818]  ? kernfs_path_from_node+0x2f/0x290
[  389.065166][ T9818]  sysfs_create_dir_ns+0x259/0x280
[  389.065188][ T9818]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  389.065210][ T9818]  ? do_raw_spin_unlock+0x122/0x240
[  389.065240][ T9818]  kobject_add_internal+0x6ab/0xcc0
[  389.065267][ T9818]  kobject_init_and_add+0x125/0x190
[  389.065298][ T9818]  ? __pfx_kobject_init_and_add+0x10/0x10
[  389.065325][ T9818]  ? __raw_spin_lock_init+0x45/0x100
[  389.065351][ T9818]  ? __init_swait_queue_head+0xa9/0x150
[  389.065379][ T9818]  gfs2_sys_fs_add+0x234/0x450
[  389.065406][ T9818]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  389.065438][ T9818]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  389.065475][ T9818]  gfs2_fill_super+0x1388/0x21b0
[  389.065512][ T9818]  ? __pfx_gfs2_fill_super+0x10/0x10
[  389.065536][ T9818]  ? sb_set_blocksize+0x155/0x240
[  389.065562][ T9818]  ? setup_bdev_super+0x4c1/0x5b0
[  389.065584][ T9818]  get_tree_bdev_flags+0x40e/0x4d0
[  389.065603][ T9818]  ? __pfx_gfs2_fill_super+0x10/0x10
[  389.065622][ T9818]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  389.065639][ T9818]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  389.065676][ T9818]  gfs2_get_tree+0x51/0x1e0
[  389.065698][ T9818]  vfs_get_tree+0x92/0x2a0
[  389.065720][ T9818]  do_new_mount+0x302/0xa10
[  389.065739][ T9818]  ? apparmor_capable+0x137/0x1a0
[  389.065763][ T9818]  ? __pfx_do_new_mount+0x10/0x10
[  389.065785][ T9818]  ? ns_capable+0x8a/0xf0
[  389.065807][ T9818]  ? kmem_cache_free+0x197/0x620
[  389.065838][ T9818]  __se_sys_mount+0x313/0x410
[  389.065872][ T9818]  ? __pfx___se_sys_mount+0x10/0x10
[  389.065900][ T9818]  ? do_syscall_64+0xbe/0xf80
[  389.065921][ T9818]  ? __x64_sys_mount+0x20/0xc0
[  389.065947][ T9818]  do_syscall_64+0xfa/0xf80
[  389.065970][ T9818]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  389.065988][ T9818]  ? clear_bhb_loop+0x60/0xb0
[  389.066010][ T9818]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  389.066028][ T9818] RIP: 0033:0x7f8c58190eea
[  389.066046][ T9818] 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
[  389.066060][ T9818] RSP: 002b:00007f8c59101e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  389.066079][ T9818] RAX: ffffffffffffffda RBX: 00007f8c59101ef0 RCX: 00007f8c58190eea
[  389.066092][ T9818] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f8c59101eb0
[  389.066105][ T9818] RBP: 00002000000124c0 R08: 00007f8c59101ef0 R09: 0000000000000000
[  389.066115][ T9818] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  389.066127][ T9818] R13: 00007f8c59101eb0 R14: 00000000000125c7 R15: 0000200000000180
[  389.066158][ T9818]  </TASK>
[  389.066182][ T9818] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  389.385869][ T9818] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  389.543364][ T9818] loop3: detected capacity change from 0 to 4096
[  389.746089][ T9818] overlayfs: upper fs does not support tmpfile.
[  389.754116][ T9818] overlayfs: upper fs does not support RENAME_WHITEOUT.
[  389.843545][ T9580] ntfs3(loop3): ino=5, "/" mi_enum_attr
[  389.864955][ T9580] ntfs3(loop3): ino=5, "/" ntfs_readdir
[  389.926258][ T7490] ntfs3(loop3): ino=5, "/" mi_enum_attr
[  389.955180][ T7490] ntfs3(loop3): ino=5, "/" mi_enum_attr
[  389.962988][ T7490] ntfs3(loop3): ino=5, "/" mi_enum_attr
[  390.132576][ T2937] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  390.360845][ T2937] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  390.416500][ T2937] bond0 (unregistering): Released all slaves
2025/12/20 15:39:07 executed programs: 271
[  392.516455][ T2937] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  392.527718][ T2937] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  392.540993][ T2937] bond0 (unregistering): Released all slaves
[  392.911497][ T2937] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  392.927625][ T2937] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  392.942327][ T2937] bond0 (unregistering): Released all slaves
[  394.276069][   T52] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1
[  394.285370][   T52] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9
[  394.293674][   T52] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9
[  394.301743][   T52] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4
[  394.313571][   T52] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2
[  395.008152][ T2937] hsr_slave_0: left promiscuous mode
[  395.014890][ T2937] hsr_slave_1: left promiscuous mode
[  395.030194][ T2937] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  395.066165][ T2937] batman_adv: batadv0: Removing interface: batadv_slave_0
[  395.088860][ T2937] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  395.104373][ T2937] batman_adv: batadv0: Removing interface: batadv_slave_1
[  395.127592][ T2937] hsr_slave_0: left promiscuous mode
[  395.153558][ T2937] hsr_slave_1: left promiscuous mode
[  395.170678][ T2937] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  395.188529][ T2937] batman_adv: batadv0: Removing interface: batadv_slave_0
[  395.209925][ T2937] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  395.351532][ T2937] batman_adv: batadv0: Removing interface: batadv_slave_1
[  395.387193][ T2937] hsr_slave_0: left promiscuous mode
[  395.393887][ T2937] hsr_slave_1: left promiscuous mode
[  395.400210][ T2937] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  395.418029][ T2937] batman_adv: batadv0: Removing interface: batadv_slave_0
[  395.428677][ T2937] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  395.436243][ T2937] batman_adv: batadv0: Removing interface: batadv_slave_1
[  395.483447][ T2937] veth1_macvtap: left promiscuous mode
[  395.489484][ T2937] veth0_macvtap: left promiscuous mode
[  395.497729][ T2937] veth1_vlan: left promiscuous mode
[  395.503098][ T2937] veth0_vlan: left promiscuous mode
[  395.510399][ T2937] veth1_macvtap: left promiscuous mode
[  395.517712][ T2937] veth0_macvtap: left promiscuous mode
[  395.523591][ T2937] veth1_vlan: left promiscuous mode
[  395.529521][ T2937] veth0_vlan: left promiscuous mode
[  395.536871][ T2937] veth1_macvtap: left promiscuous mode
[  395.542429][ T2937] veth0_macvtap: left promiscuous mode
[  395.550078][ T2937] veth1_vlan: left promiscuous mode
[  395.555646][ T2937] veth0_vlan: left promiscuous mode
[  396.347927][   T52] Bluetooth: hci1: command tx timeout
[  396.515412][ T2937] team0 (unregistering): Port device team_slave_1 removed
2025/12/20 15:39:13 executed programs: 280
[  396.699185][ T2937] team0 (unregistering): Port device team_slave_0 removed
[  397.747376][ T2937] team0 (unregistering): Port device team_slave_1 removed
[  397.805746][ T2937] team0 (unregistering): Port device team_slave_0 removed
[  398.484262][   T52] Bluetooth: hci1: command tx timeout
[  399.043344][ T2937] team0 (unregistering): Port device team_slave_1 removed
[  399.095475][ T2937] team0 (unregistering): Port device team_slave_0 removed
[  400.031362][ T9859] chnl_net:caif_netlink_parms(): no params data found
[  400.504947][   T52] Bluetooth: hci1: command tx timeout
[  400.940078][ T9859] bridge0: port 1(bridge_slave_0) entered blocking state
[  400.958427][ T9859] bridge0: port 1(bridge_slave_0) entered disabled state
[  400.965896][ T9859] bridge_slave_0: entered allmulticast mode
[  400.974495][ T9859] bridge_slave_0: entered promiscuous mode
[  400.985618][ T9859] bridge0: port 2(bridge_slave_1) entered blocking state
[  400.995942][ T9859] bridge0: port 2(bridge_slave_1) entered disabled state
[  401.003201][ T9859] bridge_slave_1: entered allmulticast mode
[  401.011169][ T9859] bridge_slave_1: entered promiscuous mode
[  401.115260][ T9859] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[  401.155985][ T9859] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[  401.291035][ T9859] team0: Port device team_slave_0 added
[  401.314874][ T9859] team0: Port device team_slave_1 added
[  401.603760][ T9859] batman_adv: batadv0: Adding interface: batadv_slave_0
[  401.614561][ T9859] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  401.666013][ T9859] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[  401.687563][ T9859] batman_adv: batadv0: Adding interface: batadv_slave_1
[  401.698316][ T9859] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[  401.738084][ T9859] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[  402.033477][ T9859] hsr_slave_0: entered promiscuous mode
[  402.040573][ T9859] hsr_slave_1: entered promiscuous mode
[  402.047653][ T9859] debugfs: 'hsr0' already exists in 'hsr'
[  402.053474][ T9859] Cannot create hsr debugfs directory
[  402.084976][ T9625] netdevsim netdevsim8 netdevsim0: renamed from eth0
[  402.157174][ T9625] netdevsim netdevsim8 netdevsim1: renamed from eth1
2025/12/20 15:39:18 executed programs: 288
[  402.339866][ T9625] netdevsim netdevsim8 netdevsim2: renamed from eth2
[  402.381494][ T9625] netdevsim netdevsim8 netdevsim3: renamed from eth3
[  402.714764][   T52] Bluetooth: hci1: command tx timeout
[  403.365479][ T9609] netdevsim netdevsim0 netdevsim0: renamed from eth0
[  403.381052][ T9609] netdevsim netdevsim0 netdevsim1: renamed from eth1
[  403.419061][ T9609] netdevsim netdevsim0 netdevsim2: renamed from eth2
[  403.452018][ T9609] netdevsim netdevsim0 netdevsim3: renamed from eth3
[  403.849961][ T2937] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  403.962417][ T2937] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  403.996405][ T9597] netdevsim netdevsim2 netdevsim0: renamed from eth0
[  404.016175][ T9597] netdevsim netdevsim2 netdevsim1: renamed from eth1
[  404.072701][ T9597] netdevsim netdevsim2 netdevsim2: renamed from eth2
[  404.113439][ T9597] netdevsim netdevsim2 netdevsim3: renamed from eth3
[  404.185029][ T9625] 8021q: adding VLAN 0 to HW filter on device bond0
[  404.327093][ T9625] 8021q: adding VLAN 0 to HW filter on device team0
[  404.394741][   T80] bridge0: port 1(bridge_slave_0) entered blocking state
[  404.401981][   T80] bridge0: port 1(bridge_slave_0) entered forwarding state
[  404.661106][ T6412] bridge0: port 2(bridge_slave_1) entered blocking state
[  404.668356][ T6412] bridge0: port 2(bridge_slave_1) entered forwarding state
[  404.727169][ T2937] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  404.892284][ T2937] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  404.929426][ T9609] 8021q: adding VLAN 0 to HW filter on device bond0
[  405.033384][ T9609] 8021q: adding VLAN 0 to HW filter on device team0
[  405.074085][ T9597] 8021q: adding VLAN 0 to HW filter on device bond0
[  405.102978][ T6460] bridge0: port 1(bridge_slave_0) entered blocking state
[  405.110231][ T6460] bridge0: port 1(bridge_slave_0) entered forwarding state
[  405.163414][ T6460] bridge0: port 2(bridge_slave_1) entered blocking state
[  405.170661][ T6460] bridge0: port 2(bridge_slave_1) entered forwarding state
[  405.516416][ T9597] 8021q: adding VLAN 0 to HW filter on device team0
[  405.572520][ T9597] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[  405.585332][ T9597] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[  405.774614][ T9597] 8021q: adding VLAN 0 to HW filter on device batadv0
[  405.826555][ T9597] veth0_vlan: entered promiscuous mode
[  405.840580][ T9597] veth1_vlan: entered promiscuous mode
[  405.884933][ T9597] veth0_macvtap: entered promiscuous mode
[  405.898168][ T9597] veth1_macvtap: entered promiscuous mode
[  405.924141][ T9597] batman_adv: batadv0: Interface activated: batadv_slave_0
[  405.937604][ T9597] batman_adv: batadv0: Interface activated: batadv_slave_1
[  406.158231][  T148] bridge0: port 1(bridge_slave_0) entered blocking state
[  406.165489][  T148] bridge0: port 1(bridge_slave_0) entered forwarding state
[  406.176181][  T148] bridge0: port 2(bridge_slave_1) entered blocking state
[  406.183382][  T148] bridge0: port 2(bridge_slave_1) entered forwarding state
[  406.828763][ T6116] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[  406.988669][ T6116] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[  407.019891][ T6116] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  407.033522][ T6116] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[  407.088792][ T2937] bridge_slave_1: left allmulticast mode
[  407.109132][ T2937] bridge_slave_1: left promiscuous mode
[  407.543936][ T2937] bridge0: port 2(bridge_slave_1) entered disabled state
2025/12/20 15:39:24 executed programs: 295
[  407.710872][ T2937] bridge_slave_0: left allmulticast mode
[  407.719712][ T2937] bridge_slave_0: left promiscuous mode
[  407.727379][ T2937] bridge0: port 1(bridge_slave_0) entered disabled state
[  408.147722][ T2937] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[  408.159781][ T2937] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[  408.170500][ T2937] bond0 (unregistering): Released all slaves
[  408.563621][ T9625] 8021q: adding VLAN 0 to HW filter on device batadv0
[  408.765101][ T9859] netdevsim netdevsim7 netdevsim0: renamed from eth0
[  408.824131][ T9859] netdevsim netdevsim7 netdevsim1: renamed from eth1
[  408.859049][ T9859] netdevsim netdevsim7 netdevsim2: renamed from eth2
[  408.866123][ T1009] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  408.873940][ T1009] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  409.127270][ T9859] netdevsim netdevsim7 netdevsim3: renamed from eth3
[  409.334347][ T2937] hsr_slave_0: left promiscuous mode
[  409.362609][ T2937] hsr_slave_1: left promiscuous mode
[  409.372935][ T2937] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  409.394266][ T2937] batman_adv: batadv0: Removing interface: batadv_slave_0
[  409.405366][ T2937] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  409.412783][ T2937] batman_adv: batadv0: Removing interface: batadv_slave_1
[  409.461219][ T2937] veth1_macvtap: left promiscuous mode
[  409.480594][ T2937] veth0_macvtap: left promiscuous mode
[  409.492978][ T2937] veth1_vlan: left promiscuous mode
[  409.524525][ T2937] veth0_vlan: left promiscuous mode
[  410.878346][ T2937] team0 (unregistering): Port device team_slave_1 removed
[  410.932810][ T2937] team0 (unregistering): Port device team_slave_0 removed
[  412.119447][ T9766] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  412.127854][ T9766] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  412.335751][ T9625] veth0_vlan: entered promiscuous mode
[  412.430369][ T9625] veth1_vlan: entered promiscuous mode
[  412.581107][ T9609] 8021q: adding VLAN 0 to HW filter on device batadv0
2025/12/20 15:39:29 executed programs: 302
[  412.776922][ T9625] veth0_macvtap: entered promiscuous mode
[  412.852708][ T9625] veth1_macvtap: entered promiscuous mode
[  413.128885][ T9859] 8021q: adding VLAN 0 to HW filter on device bond0
[  413.173775][ T9625] batman_adv: batadv0: Interface activated: batadv_slave_0
[  413.300133][T10121] loop2: detected capacity change from 0 to 32768
[  413.397987][T10121] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  413.405487][T10121] CPU: 0 UID: 0 PID: 10121 Comm: syz.2.238 Not tainted syzkaller #0 PREEMPT(full) 
[  413.405511][T10121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  413.405522][T10121] Call Trace:
[  413.405530][T10121]  <TASK>
[  413.405539][T10121]  dump_stack_lvl+0x189/0x250
[  413.405568][T10121]  ? __pfx_dump_stack_lvl+0x10/0x10
[  413.405590][T10121]  ? __pfx__printk+0x10/0x10
[  413.405620][T10121]  ? kernfs_path_from_node+0x250/0x290
[  413.405639][T10121]  ? kernfs_path_from_node+0x2f/0x290
[  413.405662][T10121]  sysfs_create_dir_ns+0x259/0x280
[  413.405692][T10121]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  413.405714][T10121]  ? do_raw_spin_unlock+0x122/0x240
[  413.405743][T10121]  kobject_add_internal+0x6ab/0xcc0
[  413.405769][T10121]  kobject_init_and_add+0x125/0x190
[  413.405800][T10121]  ? __pfx_kobject_init_and_add+0x10/0x10
[  413.405827][T10121]  ? __raw_spin_lock_init+0x45/0x100
[  413.405852][T10121]  ? __init_swait_queue_head+0xa9/0x150
[  413.405880][T10121]  gfs2_sys_fs_add+0x234/0x450
[  413.405907][T10121]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  413.405940][T10121]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  413.405977][T10121]  gfs2_fill_super+0x1388/0x21b0
[  413.406013][T10121]  ? __pfx_gfs2_fill_super+0x10/0x10
[  413.406038][T10121]  ? sb_set_blocksize+0x155/0x240
[  413.406063][T10121]  ? setup_bdev_super+0x4c1/0x5b0
[  413.406086][T10121]  get_tree_bdev_flags+0x40e/0x4d0
[  413.406105][T10121]  ? __pfx_gfs2_fill_super+0x10/0x10
[  413.406125][T10121]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  413.406142][T10121]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  413.406179][T10121]  gfs2_get_tree+0x51/0x1e0
[  413.406202][T10121]  vfs_get_tree+0x92/0x2a0
[  413.406224][T10121]  do_new_mount+0x302/0xa10
[  413.406245][T10121]  ? apparmor_capable+0x137/0x1a0
[  413.406269][T10121]  ? __pfx_do_new_mount+0x10/0x10
[  413.406291][T10121]  ? ns_capable+0x8a/0xf0
[  413.406312][T10121]  ? kmem_cache_free+0x197/0x620
[  413.406344][T10121]  __se_sys_mount+0x313/0x410
[  413.406374][T10121]  ? __pfx___se_sys_mount+0x10/0x10
[  413.406400][T10121]  ? do_syscall_64+0xbe/0xf80
[  413.406422][T10121]  ? __x64_sys_mount+0x20/0xc0
[  413.406445][T10121]  do_syscall_64+0xfa/0xf80
[  413.406468][T10121]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.406486][T10121]  ? clear_bhb_loop+0x60/0xb0
[  413.406507][T10121]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  413.406524][T10121] RIP: 0033:0x7f5444b90eea
[  413.406542][T10121] 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
[  413.406556][T10121] RSP: 002b:00007f5445b01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  413.406575][T10121] RAX: ffffffffffffffda RBX: 00007f5445b01ef0 RCX: 00007f5444b90eea
[  413.406588][T10121] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5445b01eb0
[  413.406600][T10121] RBP: 00002000000124c0 R08: 00007f5445b01ef0 R09: 0000000000000000
[  413.406611][T10121] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  413.406623][T10121] R13: 00007f5445b01eb0 R14: 00000000000125c7 R15: 0000200000000180
[  413.406653][T10121]  </TASK>
[  413.406686][T10121] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  413.725708][T10121] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  413.787475][ T9609] veth0_vlan: entered promiscuous mode
[  414.086464][ T9625] batman_adv: batadv0: Interface activated: batadv_slave_1
[  414.129453][ T9583] netdevsim netdevsim8 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[  414.196783][ T9583] netdevsim netdevsim8 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[  414.228265][ T9583] netdevsim netdevsim8 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  414.267231][ T9583] netdevsim netdevsim8 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[  414.288209][ T9609] veth1_vlan: entered promiscuous mode
[  414.357565][ T9859] 8021q: adding VLAN 0 to HW filter on device team0
[  414.753678][T10138] loop2: detected capacity change from 0 to 32768
[  414.845402][T10138] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  414.852828][T10138] CPU: 1 UID: 0 PID: 10138 Comm: syz.2.315 Not tainted syzkaller #0 PREEMPT(full) 
[  414.852850][T10138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  414.852861][T10138] Call Trace:
[  414.852869][T10138]  <TASK>
[  414.852877][T10138]  dump_stack_lvl+0x189/0x250
[  414.852908][T10138]  ? __pfx_dump_stack_lvl+0x10/0x10
[  414.852929][T10138]  ? __pfx__printk+0x10/0x10
[  414.852959][T10138]  ? kernfs_path_from_node+0x250/0x290
[  414.852978][T10138]  ? kernfs_path_from_node+0x2f/0x290
[  414.853002][T10138]  sysfs_create_dir_ns+0x259/0x280
[  414.853024][T10138]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  414.853046][T10138]  ? do_raw_spin_unlock+0x122/0x240
[  414.853075][T10138]  kobject_add_internal+0x6ab/0xcc0
[  414.853101][T10138]  kobject_init_and_add+0x125/0x190
[  414.853133][T10138]  ? __pfx_kobject_init_and_add+0x10/0x10
[  414.853160][T10138]  ? __raw_spin_lock_init+0x45/0x100
[  414.853185][T10138]  ? __init_swait_queue_head+0xa9/0x150
[  414.853211][T10138]  gfs2_sys_fs_add+0x234/0x450
[  414.853246][T10138]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  414.853278][T10138]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  414.853316][T10138]  gfs2_fill_super+0x1388/0x21b0
[  414.853352][T10138]  ? __pfx_gfs2_fill_super+0x10/0x10
[  414.853377][T10138]  ? sb_set_blocksize+0x155/0x240
[  414.853403][T10138]  ? setup_bdev_super+0x4c1/0x5b0
[  414.853426][T10138]  get_tree_bdev_flags+0x40e/0x4d0
[  414.853446][T10138]  ? __pfx_gfs2_fill_super+0x10/0x10
[  414.853465][T10138]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  414.853481][T10138]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  414.853517][T10138]  gfs2_get_tree+0x51/0x1e0
[  414.853541][T10138]  vfs_get_tree+0x92/0x2a0
[  414.853563][T10138]  do_new_mount+0x302/0xa10
[  414.853583][T10138]  ? apparmor_capable+0x137/0x1a0
[  414.853607][T10138]  ? __pfx_do_new_mount+0x10/0x10
[  414.853629][T10138]  ? ns_capable+0x8a/0xf0
[  414.853650][T10138]  ? kmem_cache_free+0x197/0x620
[  414.853680][T10138]  __se_sys_mount+0x313/0x410
[  414.853709][T10138]  ? __pfx___se_sys_mount+0x10/0x10
[  414.853736][T10138]  ? do_syscall_64+0xbe/0xf80
[  414.853756][T10138]  ? __x64_sys_mount+0x20/0xc0
[  414.853781][T10138]  do_syscall_64+0xfa/0xf80
[  414.853805][T10138]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  414.853823][T10138]  ? clear_bhb_loop+0x60/0xb0
[  414.853845][T10138]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  414.853862][T10138] RIP: 0033:0x7f5444b90eea
[  414.853878][T10138] 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
[  414.853893][T10138] RSP: 002b:00007f5445b01e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  414.853912][T10138] RAX: ffffffffffffffda RBX: 00007f5445b01ef0 RCX: 00007f5444b90eea
[  414.853925][T10138] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f5445b01eb0
[  414.853937][T10138] RBP: 00002000000124c0 R08: 00007f5445b01ef0 R09: 0000000000000000
[  414.853948][T10138] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  414.853960][T10138] R13: 00007f5445b01eb0 R14: 00000000000125c7 R15: 0000200000000180
[  414.853991][T10138]  </TASK>
[  414.854016][T10138] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  414.910753][ T6412] bridge0: port 1(bridge_slave_0) entered blocking state
[  414.911252][T10138] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  414.917059][ T6412] bridge0: port 1(bridge_slave_0) entered forwarding state
[  414.965751][ T2964] bridge0: port 2(bridge_slave_1) entered blocking state
[  415.200166][ T2964] bridge0: port 2(bridge_slave_1) entered forwarding state
[  415.269569][T10138] loop2: detected capacity change from 0 to 4096
[  415.428067][T10138] overlayfs: upper fs does not support tmpfile.
[  415.439707][T10138] overlayfs: upper fs does not support RENAME_WHITEOUT.
[  415.538484][ T2964] ntfs3(loop2): ino=5, "/" mi_enum_attr
[  415.674497][ T9609] veth0_macvtap: entered promiscuous mode
[  415.816699][ T9609] veth1_macvtap: entered promiscuous mode
[  415.884404][ T6412] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  415.947441][ T6412] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  416.087973][   T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  416.144659][   T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  416.332830][ T6116] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  416.371578][ T2964] ntfs3(loop2): ino=5, mi_enum_attr
[  416.432607][ T9609] batman_adv: batadv0: Interface activated: batadv_slave_0
[  416.520409][ T5957] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[  416.547192][ T5957] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[  416.555772][ T5957] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[  416.583734][ T5957] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[  416.598465][ T5957] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[  416.609118][ T6116] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  416.687993][ T9609] batman_adv: batadv0: Interface activated: batadv_slave_1
[  417.103333][T10166] loop8: detected capacity change from 0 to 32768
[  417.283904][   T80] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[  417.305853][T10166] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  417.313309][T10166] CPU: 0 UID: 0 PID: 10166 Comm: syz.8.246 Not tainted syzkaller #0 PREEMPT(full) 
[  417.313333][T10166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  417.313344][T10166] Call Trace:
[  417.313352][T10166]  <TASK>
[  417.313360][T10166]  dump_stack_lvl+0x189/0x250
[  417.313391][T10166]  ? __pfx_dump_stack_lvl+0x10/0x10
[  417.313413][T10166]  ? __pfx__printk+0x10/0x10
[  417.313443][T10166]  ? kernfs_path_from_node+0x250/0x290
[  417.313461][T10166]  ? kernfs_path_from_node+0x2f/0x290
[  417.313483][T10166]  sysfs_create_dir_ns+0x259/0x280
[  417.313505][T10166]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  417.313526][T10166]  ? do_raw_spin_unlock+0x122/0x240
[  417.313554][T10166]  kobject_add_internal+0x6ab/0xcc0
[  417.313579][T10166]  kobject_init_and_add+0x125/0x190
[  417.313611][T10166]  ? __pfx_kobject_init_and_add+0x10/0x10
[  417.313637][T10166]  ? __raw_spin_lock_init+0x45/0x100
[  417.313662][T10166]  ? __init_swait_queue_head+0xa9/0x150
[  417.313690][T10166]  gfs2_sys_fs_add+0x234/0x450
[  417.313717][T10166]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  417.313750][T10166]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  417.313788][T10166]  gfs2_fill_super+0x1388/0x21b0
[  417.313824][T10166]  ? __pfx_gfs2_fill_super+0x10/0x10
[  417.313849][T10166]  ? sb_set_blocksize+0x155/0x240
[  417.313875][T10166]  ? setup_bdev_super+0x4c1/0x5b0
[  417.313898][T10166]  get_tree_bdev_flags+0x40e/0x4d0
[  417.313917][T10166]  ? __pfx_gfs2_fill_super+0x10/0x10
[  417.313937][T10166]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  417.313954][T10166]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  417.313990][T10166]  gfs2_get_tree+0x51/0x1e0
[  417.314013][T10166]  vfs_get_tree+0x92/0x2a0
[  417.314035][T10166]  do_new_mount+0x302/0xa10
[  417.314056][T10166]  ? apparmor_capable+0x137/0x1a0
[  417.314079][T10166]  ? __pfx_do_new_mount+0x10/0x10
[  417.314100][T10166]  ? ns_capable+0x8a/0xf0
[  417.314121][T10166]  ? kmem_cache_free+0x197/0x620
[  417.314151][T10166]  __se_sys_mount+0x313/0x410
[  417.314181][T10166]  ? __pfx___se_sys_mount+0x10/0x10
[  417.314204][T10166]  ? do_syscall_64+0xbe/0xf80
[  417.314224][T10166]  ? __x64_sys_mount+0x20/0xc0
[  417.314247][T10166]  do_syscall_64+0xfa/0xf80
[  417.314271][T10166]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.314295][T10166]  ? clear_bhb_loop+0x60/0xb0
[  417.314317][T10166]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  417.314333][T10166] RIP: 0033:0x7fd5e4190eea
[  417.314351][T10166] 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
[  417.314367][T10166] RSP: 002b:00007fd5e4fc0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  417.314386][T10166] RAX: ffffffffffffffda RBX: 00007fd5e4fc0ef0 RCX: 00007fd5e4190eea
[  417.314400][T10166] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd5e4fc0eb0
[  417.314412][T10166] RBP: 00002000000124c0 R08: 00007fd5e4fc0ef0 R09: 0000000000000000
[  417.314424][T10166] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  417.314436][T10166] R13: 00007fd5e4fc0eb0 R14: 00000000000125c7 R15: 0000200000000180
[  417.314466][T10166]  </TASK>
[  417.615107][T10166] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  417.629653][T10166] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  417.647777][   T80] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[  417.656684][   T80] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[  417.666430][   T80] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
2025/12/20 15:39:34 executed programs: 311
[  417.916529][ T6116] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  418.253173][ T6116] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[  418.743294][T10181] loop8: detected capacity change from 0 to 32768
[  418.889239][   T52] Bluetooth: hci0: command tx timeout
[  418.909248][T10181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  418.916798][T10181] CPU: 0 UID: 0 PID: 10181 Comm: syz.8.322 Not tainted syzkaller #0 PREEMPT(full) 
[  418.916821][T10181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  418.916832][T10181] Call Trace:
[  418.916839][T10181]  <TASK>
[  418.916847][T10181]  dump_stack_lvl+0x189/0x250
[  418.916930][T10181]  ? __pfx_dump_stack_lvl+0x10/0x10
[  418.916952][T10181]  ? __pfx__printk+0x10/0x10
[  418.916983][T10181]  ? kernfs_path_from_node+0x250/0x290
[  418.917003][T10181]  ? kernfs_path_from_node+0x2f/0x290
[  418.917026][T10181]  sysfs_create_dir_ns+0x259/0x280
[  418.917049][T10181]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  418.917071][T10181]  ? do_raw_spin_unlock+0x122/0x240
[  418.917100][T10181]  kobject_add_internal+0x6ab/0xcc0
[  418.917125][T10181]  kobject_init_and_add+0x125/0x190
[  418.917156][T10181]  ? __pfx_kobject_init_and_add+0x10/0x10
[  418.917182][T10181]  ? __raw_spin_lock_init+0x45/0x100
[  418.917206][T10181]  ? __init_swait_queue_head+0xa9/0x150
[  418.917234][T10181]  gfs2_sys_fs_add+0x234/0x450
[  418.917260][T10181]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  418.917289][T10181]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  418.917327][T10181]  gfs2_fill_super+0x1388/0x21b0
[  418.917361][T10181]  ? __pfx_gfs2_fill_super+0x10/0x10
[  418.917383][T10181]  ? sb_set_blocksize+0x155/0x240
[  418.917405][T10181]  ? setup_bdev_super+0x4c1/0x5b0
[  418.917427][T10181]  get_tree_bdev_flags+0x40e/0x4d0
[  418.917446][T10181]  ? __pfx_gfs2_fill_super+0x10/0x10
[  418.917463][T10181]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  418.917479][T10181]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  418.917514][T10181]  gfs2_get_tree+0x51/0x1e0
[  418.917534][T10181]  vfs_get_tree+0x92/0x2a0
[  418.917554][T10181]  do_new_mount+0x302/0xa10
[  418.917571][T10181]  ? apparmor_capable+0x137/0x1a0
[  418.917593][T10181]  ? __pfx_do_new_mount+0x10/0x10
[  418.917614][T10181]  ? ns_capable+0x8a/0xf0
[  418.917633][T10181]  ? kmem_cache_free+0x197/0x620
[  418.917662][T10181]  __se_sys_mount+0x313/0x410
[  418.917690][T10181]  ? __pfx___se_sys_mount+0x10/0x10
[  418.917716][T10181]  ? do_syscall_64+0xbe/0xf80
[  418.917735][T10181]  ? __x64_sys_mount+0x20/0xc0
[  418.917758][T10181]  do_syscall_64+0xfa/0xf80
[  418.917779][T10181]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.917796][T10181]  ? clear_bhb_loop+0x60/0xb0
[  418.917820][T10181]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  418.917835][T10181] RIP: 0033:0x7fd5e4190eea
[  418.917850][T10181] 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
[  418.917865][T10181] RSP: 002b:00007fd5e4fc0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  418.917937][T10181] RAX: ffffffffffffffda RBX: 00007fd5e4fc0ef0 RCX: 00007fd5e4190eea
[  418.917948][T10181] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd5e4fc0eb0
[  418.917959][T10181] RBP: 00002000000124c0 R08: 00007fd5e4fc0ef0 R09: 0000000000000000
[  418.917970][T10181] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  418.917980][T10181] R13: 00007fd5e4fc0eb0 R14: 00000000000125c7 R15: 0000200000000180
[  418.918009][T10181]  </TASK>
[  418.918061][T10181] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  419.080333][ T6400] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  419.080806][T10181] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  419.431197][ T6400] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  419.614930][ T9519] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  419.622815][ T9519] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  420.105432][T10195] loop8: detected capacity change from 0 to 32768
[  420.285232][T10195] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  420.292683][T10195] CPU: 0 UID: 0 PID: 10195 Comm: syz.8.324 Not tainted syzkaller #0 PREEMPT(full) 
[  420.292706][T10195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  420.292717][T10195] Call Trace:
[  420.292725][T10195]  <TASK>
[  420.292732][T10195]  dump_stack_lvl+0x189/0x250
[  420.292762][T10195]  ? __pfx_dump_stack_lvl+0x10/0x10
[  420.292783][T10195]  ? __pfx__printk+0x10/0x10
[  420.292814][T10195]  ? kernfs_path_from_node+0x250/0x290
[  420.292834][T10195]  ? kernfs_path_from_node+0x2f/0x290
[  420.292857][T10195]  sysfs_create_dir_ns+0x259/0x280
[  420.292880][T10195]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  420.292902][T10195]  ? do_raw_spin_unlock+0x122/0x240
[  420.292937][T10195]  kobject_add_internal+0x6ab/0xcc0
[  420.292963][T10195]  kobject_init_and_add+0x125/0x190
[  420.292995][T10195]  ? __pfx_kobject_init_and_add+0x10/0x10
[  420.293022][T10195]  ? __raw_spin_lock_init+0x45/0x100
[  420.293048][T10195]  ? __init_swait_queue_head+0xa9/0x150
[  420.293075][T10195]  gfs2_sys_fs_add+0x234/0x450
[  420.293101][T10195]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  420.293134][T10195]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  420.293172][T10195]  gfs2_fill_super+0x1388/0x21b0
[  420.293227][T10195]  ? __pfx_gfs2_fill_super+0x10/0x10
[  420.293251][T10195]  ? sb_set_blocksize+0x155/0x240
[  420.293278][T10195]  ? setup_bdev_super+0x4c1/0x5b0
[  420.293301][T10195]  get_tree_bdev_flags+0x40e/0x4d0
[  420.293320][T10195]  ? __pfx_gfs2_fill_super+0x10/0x10
[  420.293340][T10195]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  420.293357][T10195]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  420.293393][T10195]  gfs2_get_tree+0x51/0x1e0
[  420.293416][T10195]  vfs_get_tree+0x92/0x2a0
[  420.293438][T10195]  do_new_mount+0x302/0xa10
[  420.293459][T10195]  ? apparmor_capable+0x137/0x1a0
[  420.293483][T10195]  ? __pfx_do_new_mount+0x10/0x10
[  420.293504][T10195]  ? ns_capable+0x8a/0xf0
[  420.293526][T10195]  ? kmem_cache_free+0x197/0x620
[  420.293556][T10195]  __se_sys_mount+0x313/0x410
[  420.293585][T10195]  ? __pfx___se_sys_mount+0x10/0x10
[  420.293612][T10195]  ? do_syscall_64+0xbe/0xf80
[  420.293633][T10195]  ? __x64_sys_mount+0x20/0xc0
[  420.293658][T10195]  do_syscall_64+0xfa/0xf80
[  420.293680][T10195]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.293698][T10195]  ? clear_bhb_loop+0x60/0xb0
[  420.293720][T10195]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  420.293737][T10195] RIP: 0033:0x7fd5e4190eea
[  420.293755][T10195] 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
[  420.293770][T10195] RSP: 002b:00007fd5e4fc0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  420.293789][T10195] RAX: ffffffffffffffda RBX: 00007fd5e4fc0ef0 RCX: 00007fd5e4190eea
[  420.293802][T10195] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd5e4fc0eb0
[  420.293815][T10195] RBP: 00002000000124c0 R08: 00007fd5e4fc0ef0 R09: 0000000000000000
[  420.293827][T10195] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  420.293838][T10195] R13: 00007fd5e4fc0eb0 R14: 00000000000125c7 R15: 0000200000000180
[  420.293870][T10195]  </TASK>
[  420.293894][T10195] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  420.615868][T10195] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  420.627262][ T9859] 8021q: adding VLAN 0 to HW filter on device batadv0
[  420.911569][   T52] Bluetooth: hci0: command tx timeout
[  421.079370][T10159] chnl_net:caif_netlink_parms(): no params data found
[  421.506996][T10212] loop0: detected capacity change from 0 to 32768
[  421.580958][T10212] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  421.588430][T10212] CPU: 1 UID: 0 PID: 10212 Comm: syz.0.241 Not tainted syzkaller #0 PREEMPT(full) 
[  421.588454][T10212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  421.588465][T10212] Call Trace:
[  421.588472][T10212]  <TASK>
[  421.588480][T10212]  dump_stack_lvl+0x189/0x250
[  421.588510][T10212]  ? __pfx_dump_stack_lvl+0x10/0x10
[  421.588532][T10212]  ? __pfx__printk+0x10/0x10
[  421.588563][T10212]  ? kernfs_path_from_node+0x250/0x290
[  421.588582][T10212]  ? kernfs_path_from_node+0x2f/0x290
[  421.588606][T10212]  sysfs_create_dir_ns+0x259/0x280
[  421.588635][T10212]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  421.588657][T10212]  ? do_raw_spin_unlock+0x122/0x240
[  421.588686][T10212]  kobject_add_internal+0x6ab/0xcc0
[  421.588712][T10212]  kobject_init_and_add+0x125/0x190
[  421.588743][T10212]  ? __pfx_kobject_init_and_add+0x10/0x10
[  421.588770][T10212]  ? __raw_spin_lock_init+0x45/0x100
[  421.588795][T10212]  ? __init_swait_queue_head+0xa9/0x150
[  421.588823][T10212]  gfs2_sys_fs_add+0x234/0x450
[  421.588849][T10212]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  421.588881][T10212]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  421.588920][T10212]  gfs2_fill_super+0x1388/0x21b0
[  421.588956][T10212]  ? __pfx_gfs2_fill_super+0x10/0x10
[  421.588980][T10212]  ? sb_set_blocksize+0x155/0x240
[  421.589005][T10212]  ? setup_bdev_super+0x4c1/0x5b0
[  421.589028][T10212]  get_tree_bdev_flags+0x40e/0x4d0
[  421.589047][T10212]  ? __pfx_gfs2_fill_super+0x10/0x10
[  421.589067][T10212]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  421.589084][T10212]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  421.589120][T10212]  gfs2_get_tree+0x51/0x1e0
[  421.589143][T10212]  vfs_get_tree+0x92/0x2a0
[  421.589164][T10212]  do_new_mount+0x302/0xa10
[  421.589184][T10212]  ? apparmor_capable+0x137/0x1a0
[  421.589208][T10212]  ? __pfx_do_new_mount+0x10/0x10
[  421.589230][T10212]  ? ns_capable+0x8a/0xf0
[  421.589251][T10212]  ? kmem_cache_free+0x197/0x620
[  421.589282][T10212]  __se_sys_mount+0x313/0x410
[  421.589311][T10212]  ? __pfx___se_sys_mount+0x10/0x10
[  421.589338][T10212]  ? do_syscall_64+0xbe/0xf80
[  421.589359][T10212]  ? __x64_sys_mount+0x20/0xc0
[  421.589383][T10212]  do_syscall_64+0xfa/0xf80
[  421.589406][T10212]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  421.589424][T10212]  ? clear_bhb_loop+0x60/0xb0
[  421.589446][T10212]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  421.589463][T10212] RIP: 0033:0x7f44b0190eea
[  421.589480][T10212] 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
[  421.589494][T10212] RSP: 002b:00007f44b10dfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  421.589513][T10212] RAX: ffffffffffffffda RBX: 00007f44b10dfef0 RCX: 00007f44b0190eea
[  421.589526][T10212] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f44b10dfeb0
[  421.589538][T10212] RBP: 00002000000124c0 R08: 00007f44b10dfef0 R09: 0000000000000000
[  421.589550][T10212] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  421.589561][T10212] R13: 00007f44b10dfeb0 R14: 00000000000125c7 R15: 0000200000000180
[  421.589591][T10212]  </TASK>
[  421.589622][T10212] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  421.911138][T10212] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  422.204960][T10212] loop0: detected capacity change from 0 to 4096
[  422.559081][ T6116] bridge_slave_1: left allmulticast mode
[  422.596192][T10223] loop8: detected capacity change from 0 to 32768
[  422.643929][T10212] overlayfs: upper fs does not support tmpfile.
[  422.651207][T10212] overlayfs: upper fs does not support RENAME_WHITEOUT.
[  422.664925][ T6116] bridge_slave_1: left promiscuous mode
[  422.670746][ T6116] bridge0: port 2(bridge_slave_1) entered disabled state
[  422.678679][T10223] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  422.687686][T10223] CPU: 1 UID: 0 PID: 10223 Comm: syz.8.326 Not tainted syzkaller #0 PREEMPT(full) 
[  422.687708][T10223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  422.687718][T10223] Call Trace:
[  422.687726][T10223]  <TASK>
[  422.687734][T10223]  dump_stack_lvl+0x189/0x250
[  422.687763][T10223]  ? __pfx_dump_stack_lvl+0x10/0x10
[  422.687784][T10223]  ? __pfx__printk+0x10/0x10
[  422.687815][T10223]  ? kernfs_path_from_node+0x250/0x290
[  422.687834][T10223]  ? kernfs_path_from_node+0x2f/0x290
[  422.687857][T10223]  sysfs_create_dir_ns+0x259/0x280
[  422.687880][T10223]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  422.687902][T10223]  ? do_raw_spin_unlock+0x122/0x240
[  422.687931][T10223]  kobject_add_internal+0x6ab/0xcc0
[  422.687957][T10223]  kobject_init_and_add+0x125/0x190
[  422.687988][T10223]  ? __pfx_kobject_init_and_add+0x10/0x10
[  422.688014][T10223]  ? __raw_spin_lock_init+0x45/0x100
[  422.688039][T10223]  ? __init_swait_queue_head+0xa9/0x150
[  422.688066][T10223]  gfs2_sys_fs_add+0x234/0x450
[  422.688092][T10223]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  422.688124][T10223]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  422.688162][T10223]  gfs2_fill_super+0x1388/0x21b0
[  422.688198][T10223]  ? __pfx_gfs2_fill_super+0x10/0x10
[  422.688222][T10223]  ? sb_set_blocksize+0x155/0x240
[  422.688248][T10223]  ? setup_bdev_super+0x4c1/0x5b0
[  422.688271][T10223]  get_tree_bdev_flags+0x40e/0x4d0
[  422.688290][T10223]  ? __pfx_gfs2_fill_super+0x10/0x10
[  422.688309][T10223]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  422.688326][T10223]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  422.688363][T10223]  gfs2_get_tree+0x51/0x1e0
[  422.688385][T10223]  vfs_get_tree+0x92/0x2a0
[  422.688407][T10223]  do_new_mount+0x302/0xa10
[  422.688427][T10223]  ? apparmor_capable+0x137/0x1a0
[  422.688451][T10223]  ? __pfx_do_new_mount+0x10/0x10
[  422.688472][T10223]  ? ns_capable+0x8a/0xf0
[  422.688494][T10223]  ? kmem_cache_free+0x197/0x620
[  422.688532][T10223]  __se_sys_mount+0x313/0x410
[  422.688560][T10223]  ? __pfx___se_sys_mount+0x10/0x10
[  422.688587][T10223]  ? do_syscall_64+0xbe/0xf80
[  422.688608][T10223]  ? __x64_sys_mount+0x20/0xc0
[  422.688633][T10223]  do_syscall_64+0xfa/0xf80
[  422.688656][T10223]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.688673][T10223]  ? clear_bhb_loop+0x60/0xb0
[  422.688694][T10223]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  422.688711][T10223] RIP: 0033:0x7fd5e4190eea
[  422.688728][T10223] 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
[  422.688743][T10223] RSP: 002b:00007fd5e4fc0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  422.688760][T10223] RAX: ffffffffffffffda RBX: 00007fd5e4fc0ef0 RCX: 00007fd5e4190eea
[  422.688774][T10223] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd5e4fc0eb0
[  422.688785][T10223] RBP: 00002000000124c0 R08: 00007fd5e4fc0ef0 R09: 0000000000000000
[  422.688797][T10223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  422.688807][T10223] R13: 00007fd5e4fc0eb0 R14: 00000000000125c7 R15: 0000200000000180
[  422.688838][T10223]  </TASK>
[  422.688862][T10223] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  423.013370][T10223] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  423.044564][   T52] Bluetooth: hci0: command tx timeout
2025/12/20 15:39:40 executed programs: 320
[  423.557090][   T12] ntfs3(loop0): ino=5, "/" mi_enum_attr
[  423.570572][ T6116] bridge_slave_0: left allmulticast mode
[  423.586514][ T6116] bridge_slave_0: left promiscuous mode
[  423.593692][ T6116] bridge0: port 1(bridge_slave_0) entered disabled state
[  424.338393][T10247] loop8: detected capacity change from 0 to 32768
[  424.485306][T10247] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  424.492766][T10247] CPU: 0 UID: 0 PID: 10247 Comm: syz.8.329 Not tainted syzkaller #0 PREEMPT(full) 
[  424.492789][T10247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  424.492800][T10247] Call Trace:
[  424.492808][T10247]  <TASK>
[  424.492815][T10247]  dump_stack_lvl+0x189/0x250
[  424.492846][T10247]  ? __pfx_dump_stack_lvl+0x10/0x10
[  424.492866][T10247]  ? __pfx__printk+0x10/0x10
[  424.492896][T10247]  ? kernfs_path_from_node+0x250/0x290
[  424.492916][T10247]  ? kernfs_path_from_node+0x2f/0x290
[  424.492940][T10247]  sysfs_create_dir_ns+0x259/0x280
[  424.492964][T10247]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  424.492985][T10247]  ? do_raw_spin_unlock+0x122/0x240
[  424.493014][T10247]  kobject_add_internal+0x6ab/0xcc0
[  424.493040][T10247]  kobject_init_and_add+0x125/0x190
[  424.493070][T10247]  ? __pfx_kobject_init_and_add+0x10/0x10
[  424.493096][T10247]  ? __raw_spin_lock_init+0x45/0x100
[  424.493121][T10247]  ? __init_swait_queue_head+0xa9/0x150
[  424.493148][T10247]  gfs2_sys_fs_add+0x234/0x450
[  424.493174][T10247]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  424.493206][T10247]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  424.493244][T10247]  gfs2_fill_super+0x1388/0x21b0
[  424.493284][T10247]  ? __pfx_gfs2_fill_super+0x10/0x10
[  424.493308][T10247]  ? sb_set_blocksize+0x155/0x240
[  424.493333][T10247]  ? setup_bdev_super+0x4c1/0x5b0
[  424.493356][T10247]  get_tree_bdev_flags+0x40e/0x4d0
[  424.493375][T10247]  ? __pfx_gfs2_fill_super+0x10/0x10
[  424.493393][T10247]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  424.493410][T10247]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  424.493446][T10247]  gfs2_get_tree+0x51/0x1e0
[  424.493469][T10247]  vfs_get_tree+0x92/0x2a0
[  424.493490][T10247]  do_new_mount+0x302/0xa10
[  424.493510][T10247]  ? apparmor_capable+0x137/0x1a0
[  424.493534][T10247]  ? __pfx_do_new_mount+0x10/0x10
[  424.493563][T10247]  ? ns_capable+0x8a/0xf0
[  424.493585][T10247]  ? kmem_cache_free+0x197/0x620
[  424.493616][T10247]  __se_sys_mount+0x313/0x410
[  424.493644][T10247]  ? __pfx___se_sys_mount+0x10/0x10
[  424.493670][T10247]  ? do_syscall_64+0xbe/0xf80
[  424.493691][T10247]  ? __x64_sys_mount+0x20/0xc0
[  424.493715][T10247]  do_syscall_64+0xfa/0xf80
[  424.493738][T10247]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  424.493756][T10247]  ? clear_bhb_loop+0x60/0xb0
[  424.493777][T10247]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  424.493794][T10247] RIP: 0033:0x7fd5e4190eea
[  424.493811][T10247] 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
[  424.493826][T10247] RSP: 002b:00007fd5e4fc0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  424.493844][T10247] RAX: ffffffffffffffda RBX: 00007fd5e4fc0ef0 RCX: 00007fd5e4190eea
[  424.493856][T10247] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd5e4fc0eb0
[  424.493868][T10247] RBP: 00002000000124c0 R08: 00007fd5e4fc0ef0 R09: 0000000000000000
[  424.493878][T10247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  424.493890][T10247] R13: 00007fd5e4fc0eb0 R14: 00000000000125c7 R15: 0000200000000180
[  424.493920][T10247]  </TASK>
[  424.493973][T10247] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  424.813868][T10247] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  425.065119][   T52] Bluetooth: hci0: command tx timeout
[  425.618271][T10260] loop8: detected capacity change from 0 to 32768
[  425.790999][T10260] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  425.798485][T10260] CPU: 1 UID: 0 PID: 10260 Comm: syz.8.332 Not tainted syzkaller #0 PREEMPT(full) 
[  425.798508][T10260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  425.798517][T10260] Call Trace:
[  425.798525][T10260]  <TASK>
[  425.798531][T10260]  dump_stack_lvl+0x189/0x250
[  425.798561][T10260]  ? __pfx_dump_stack_lvl+0x10/0x10
[  425.798581][T10260]  ? __pfx__printk+0x10/0x10
[  425.798611][T10260]  ? kernfs_path_from_node+0x250/0x290
[  425.798630][T10260]  ? kernfs_path_from_node+0x2f/0x290
[  425.798652][T10260]  sysfs_create_dir_ns+0x259/0x280
[  425.798674][T10260]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  425.798695][T10260]  ? do_raw_spin_unlock+0x122/0x240
[  425.798722][T10260]  kobject_add_internal+0x6ab/0xcc0
[  425.798748][T10260]  kobject_init_and_add+0x125/0x190
[  425.798779][T10260]  ? __pfx_kobject_init_and_add+0x10/0x10
[  425.798806][T10260]  ? __raw_spin_lock_init+0x45/0x100
[  425.798831][T10260]  ? __init_swait_queue_head+0xa9/0x150
[  425.798859][T10260]  gfs2_sys_fs_add+0x234/0x450
[  425.798884][T10260]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  425.798915][T10260]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  425.798952][T10260]  gfs2_fill_super+0x1388/0x21b0
[  425.798987][T10260]  ? __pfx_gfs2_fill_super+0x10/0x10
[  425.799010][T10260]  ? sb_set_blocksize+0x155/0x240
[  425.799036][T10260]  ? setup_bdev_super+0x4c1/0x5b0
[  425.799055][T10260]  get_tree_bdev_flags+0x40e/0x4d0
[  425.799072][T10260]  ? __pfx_gfs2_fill_super+0x10/0x10
[  425.799092][T10260]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  425.799108][T10260]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  425.799144][T10260]  gfs2_get_tree+0x51/0x1e0
[  425.799166][T10260]  vfs_get_tree+0x92/0x2a0
[  425.799196][T10260]  do_new_mount+0x302/0xa10
[  425.799218][T10260]  ? apparmor_capable+0x137/0x1a0
[  425.799242][T10260]  ? __pfx_do_new_mount+0x10/0x10
[  425.799263][T10260]  ? ns_capable+0x8a/0xf0
[  425.799285][T10260]  ? kmem_cache_free+0x197/0x620
[  425.799315][T10260]  __se_sys_mount+0x313/0x410
[  425.799344][T10260]  ? __pfx___se_sys_mount+0x10/0x10
[  425.799374][T10260]  ? do_syscall_64+0xbe/0xf80
[  425.799396][T10260]  ? __x64_sys_mount+0x20/0xc0
[  425.799420][T10260]  do_syscall_64+0xfa/0xf80
[  425.799442][T10260]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.799460][T10260]  ? clear_bhb_loop+0x60/0xb0
[  425.799481][T10260]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  425.799497][T10260] RIP: 0033:0x7fd5e4190eea
[  425.799515][T10260] 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
[  425.799530][T10260] RSP: 002b:00007fd5e4fc0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  425.799548][T10260] RAX: ffffffffffffffda RBX: 00007fd5e4fc0ef0 RCX: 00007fd5e4190eea
[  425.799560][T10260] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd5e4fc0eb0
[  425.799573][T10260] RBP: 00002000000124c0 R08: 00007fd5e4fc0ef0 R09: 0000000000000000
[  425.799585][T10260] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  425.799595][T10260] R13: 00007fd5e4fc0eb0 R14: 00000000000125c7 R15: 0000200000000180
[  425.799625][T10260]  </TASK>
[  425.799678][T10260] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  426.106359][   T31] INFO: task kworker/1:0H:25 blocked for more than 143 seconds.
[  426.106383][   T31]       Not tainted syzkaller #0
[  426.106394][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  426.106406][   T31] task:kworker/1:0H    state:D stack:24728 pid:25    tgid:25    ppid:2      task_flags:0x4208060 flags:0x00080000
[  426.106457][   T31] Workqueue: gfs2-glock/syz:syz glock_work_func
[  426.106489][   T31] Call Trace:
[  426.106497][   T31]  <TASK>
[  426.106510][   T31]  __schedule+0x150e/0x5070
[  426.109535][T10260] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  426.177093][   T31]  ? __pfx___schedule+0x10/0x10
[  426.197958][   T31]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  426.203988][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  426.213785][   T31]  ? preempt_schedule+0xae/0xc0
[  426.220574][   T31]  ? preempt_schedule+0xae/0xc0
[  426.277345][   T31]  ? __pfx___schedule+0x10/0x10
[  426.282390][   T31]  ? schedule+0x91/0x360
[  426.370926][   T31]  schedule+0x165/0x360
[  426.375422][   T31]  io_schedule+0x80/0xd0
[  426.379728][   T31]  bit_wait_io+0x11/0xd0
[  426.384011][   T31]  __wait_on_bit_lock+0xec/0x4f0
[  426.389468][   T31]  ? __pfx_bit_wait_io+0x10/0x10
[  426.394718][   T31]  ? __pfx_bit_wait_io+0x10/0x10
[  426.399684][   T31]  out_of_line_wait_on_bit_lock+0x123/0x170
[  426.405996][   T31]  ? __pfx_out_of_line_wait_on_bit_lock+0x10/0x10
[  426.412446][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  426.419330][   T31]  ? find_lock_entries+0x10d/0xa60
[  426.424726][   T31]  ? block_invalidate_folio+0x307/0x730
[  426.430314][   T31]  block_invalidate_folio+0x376/0x730
[  426.436987][   T31]  ? shmem_mapping+0xd/0x50
[  426.441525][   T31]  ? __pfx_block_invalidate_folio+0x10/0x10
[  426.447838][   T31]  ? folio_mapping+0x16f/0x1f0
[  426.452708][   T31]  ? __pfx_block_invalidate_folio+0x10/0x10
[  426.459626][   T31]  truncate_cleanup_folio+0x2d8/0x430
[  426.465279][   T31]  truncate_inode_pages_range+0x233/0xd90
[  426.471852][   T31]  ? worker_thread+0x9b0/0xee0
[  426.477158][   T31]  ? kthread+0x711/0x8a0
[  426.481420][   T31]  ? ret_from_fork+0x599/0xb30
[  426.488120][   T31]  ? ret_from_fork_asm+0x1a/0x30
[  426.493181][   T31]  ? __pfx_truncate_inode_pages_range+0x10/0x10
[  426.500735][   T31]  ? __lock_acquire+0x6b6/0x2cf0
[  426.506073][   T31]  ? do_raw_spin_lock+0x121/0x290
[  426.511139][   T31]  ? gfs2_assert_withdraw_i+0x72/0xc0
[  426.516930][   T31]  inode_go_inval+0x13c/0x360
[  426.522027][   T31]  ? __pfx_inode_go_inval+0x10/0x10
[  426.534645][   T31]  do_xmote+0x29c/0x750
[  426.538854][   T31]  glock_work_func+0x2a8/0x580
[  426.544629][   T31]  ? process_one_work+0x868/0x15a0
[  426.549771][   T31]  process_one_work+0x93a/0x15a0
[  426.564765][   T31]  ? __pfx_process_one_work+0x10/0x10
[  426.570282][   T31]  ? assign_work+0x3c7/0x5b0
[  426.580085][   T31]  worker_thread+0x9b0/0xee0
[  426.587326][   T31]  kthread+0x711/0x8a0
[  426.591426][   T31]  ? __pfx_worker_thread+0x10/0x10
[  426.596667][   T31]  ? __pfx_kthread+0x10/0x10
[  426.601283][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  426.607490][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  426.612710][   T31]  ? __pfx_kthread+0x10/0x10
[  426.617399][   T31]  ret_from_fork+0x599/0xb30
[  426.622002][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  426.627230][   T31]  ? __switch_to_asm+0x39/0x70
[  426.632003][   T31]  ? __switch_to_asm+0x33/0x70
[  426.636801][   T31]  ? __pfx_kthread+0x10/0x10
[  426.641397][   T31]  ret_from_fork_asm+0x1a/0x30
[  426.646268][   T31]  </TASK>
[  426.649442][   T31] INFO: task kworker/1:2H:6379 blocked for more than 143 seconds.
[  426.657331][   T31]       Not tainted syzkaller #0
[  426.662272][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  426.672131][   T31] task:kworker/1:2H    state:D stack:26728 pid:6379  tgid:6379  ppid:2      task_flags:0x4208060 flags:0x00080000
[  426.685400][   T31] Workqueue: gfs2-glock/syz:syz glock_work_func
[  426.691677][   T31] Call Trace:
[  426.695396][   T31]  <TASK>
[  426.698337][   T31]  __schedule+0x150e/0x5070
[  426.702832][   T31]  ? __pfx___schedule+0x10/0x10
[  426.707748][   T31]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  426.713650][   T31]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[  426.720080][   T31]  ? preempt_schedule+0xae/0xc0
[  426.725006][   T31]  ? preempt_schedule+0xae/0xc0
[  426.729863][   T31]  ? __pfx___schedule+0x10/0x10
[  426.734754][   T31]  ? schedule+0x91/0x360
[  426.739006][   T31]  schedule+0x165/0x360
[  426.743170][   T31]  io_schedule+0x80/0xd0
[  426.747719][   T31]  bit_wait_io+0x11/0xd0
[  426.751959][   T31]  __wait_on_bit_lock+0xec/0x4f0
[  426.756942][   T31]  ? __pfx_bit_wait_io+0x10/0x10
[  426.761888][   T31]  ? __pfx_bit_wait_io+0x10/0x10
[  426.766871][   T31]  out_of_line_wait_on_bit_lock+0x123/0x170
[  426.772770][   T31]  ? __pfx_out_of_line_wait_on_bit_lock+0x10/0x10
[  426.780319][   T31]  ? __pfx_wake_bit_function+0x10/0x10
[  426.785852][   T31]  ? find_lock_entries+0x10d/0xa60
[  426.790968][   T31]  ? block_invalidate_folio+0x307/0x730
[  426.796545][   T31]  block_invalidate_folio+0x376/0x730
[  426.801918][   T31]  ? shmem_mapping+0xd/0x50
[  426.806709][   T31]  ? __pfx_block_invalidate_folio+0x10/0x10
[  426.812610][   T31]  ? folio_mapping+0x16f/0x1f0
[  426.817430][   T31]  ? __pfx_block_invalidate_folio+0x10/0x10
[  426.823500][   T31]  truncate_cleanup_folio+0x2d8/0x430
[  426.829146][   T31]  truncate_inode_pages_range+0x233/0xd90
[  426.834921][   T31]  ? __pfx_truncate_inode_pages_range+0x10/0x10
[  426.841171][   T31]  ? __lock_acquire+0x6b6/0x2cf0
[  426.846170][   T31]  ? gfs2_rgrp_brelse+0x142/0x180
[  426.851195][   T31]  ? rgrp_go_inval+0x1a5/0x270
[  426.856007][   T31]  ? __pfx_rgrp_go_inval+0x10/0x10
[  426.861122][   T31]  do_xmote+0x29c/0x750
[  426.865343][   T31]  glock_work_func+0x2a8/0x580
[  426.870118][   T31]  ? process_one_work+0x868/0x15a0
[  426.875282][   T31]  process_one_work+0x93a/0x15a0
[  426.881703][   T31]  ? __pfx_process_one_work+0x10/0x10
[  426.887150][   T31]  ? assign_work+0x3c7/0x5b0
[  426.891741][   T31]  worker_thread+0x9b0/0xee0
[  426.896393][   T31]  kthread+0x711/0x8a0
[  426.900472][   T31]  ? __pfx_worker_thread+0x10/0x10
[  426.905626][   T31]  ? __pfx_kthread+0x10/0x10
[  426.910221][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  426.915725][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  426.920931][   T31]  ? __pfx_kthread+0x10/0x10
[  426.925588][   T31]  ret_from_fork+0x599/0xb30
[  426.930186][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  426.935384][   T31]  ? __switch_to_asm+0x39/0x70
[  426.940161][   T31]  ? __switch_to_asm+0x33/0x70
[  426.944945][   T31]  ? __pfx_kthread+0x10/0x10
[  426.949542][   T31]  ret_from_fork_asm+0x1a/0x30
[  426.954375][   T31]  </TASK>
[  426.957446][   T31] INFO: task syz.1.147:8323 blocked for more than 144 seconds.
[  426.970848][   T31]       Not tainted syzkaller #0
[  426.975883][   T31]       Blocked by coredump.
[  426.980486][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  426.990796][   T31] task:syz.1.147       state:D stack:21720 pid:8323  tgid:8323  ppid:7979   task_flags:0x40064c flags:0x00080003
[  427.004142][   T31] Call Trace:
[  427.007560][   T31]  <TASK>
[  427.010503][   T31]  __schedule+0x150e/0x5070
[  427.015092][   T31]  ? register_lock_class+0x51/0x320
[  427.020318][   T31]  ? __pfx___schedule+0x10/0x10
[  427.029450][   T31]  ? schedule+0x91/0x360
[  427.036078][   T31]  schedule+0x165/0x360
[  427.040791][   T31]  schedule_timeout+0x9a/0x270
[  427.045775][   T31]  ? __pfx_schedule_timeout+0x10/0x10
[  427.051178][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  427.056564][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  427.061776][   T31]  ? wait_for_completion+0x267/0x5d0
[  427.067508][   T31]  wait_for_completion+0x2bf/0x5d0
[  427.072958][   T31]  ? __pfx_wait_for_completion+0x10/0x10
[  427.078913][   T31]  ? __flush_work+0xd2/0xbc0
[  427.083541][   T31]  ? __flush_work+0xd2/0xbc0
[  427.089469][   T31]  __flush_work+0x9b9/0xbc0
[  427.094008][   T31]  ? __flush_work+0xd2/0xbc0
[  427.099030][   T31]  ? __pfx___flush_work+0x10/0x10
[  427.104086][   T31]  ? __pfx_wq_barrier_func+0x10/0x10
[  427.109872][   T31]  ? __pfx___timer_delete_sync+0x10/0x10
[  427.115838][   T31]  ? flush_delayed_work+0x11d/0x190
[  427.121065][   T31]  flush_delayed_work+0x13e/0x190
[  427.126565][   T31]  ? __pfx_flush_delayed_work+0x10/0x10
[  427.132144][   T31]  gfs2_clear_rgrpd+0x117/0x740
[  427.137607][   T31]  gfs2_put_super+0x7d1/0x860
[  427.142319][   T31]  ? __pfx_gfs2_put_super+0x10/0x10
[  427.148003][   T31]  generic_shutdown_super+0x135/0x2c0
[  427.153414][   T31]  kill_block_super+0x44/0x90
[  427.164581][   T31]  deactivate_locked_super+0xbc/0x130
[  427.169999][   T31]  cleanup_mnt+0x425/0x4c0
[  427.177614][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  427.182849][   T31]  task_work_run+0x1d4/0x260
[  427.189230][   T31]  ? __pfx_task_work_run+0x10/0x10
[  427.195379][   T31]  ? kmem_cache_free+0x197/0x620
[  427.200433][   T31]  ? do_exit+0x8b8/0x25b0
[  427.205242][   T31]  do_exit+0x8bd/0x25b0
[  427.209433][   T31]  ? __pfx_do_exit+0x10/0x10
[  427.214150][   T31]  do_group_exit+0x21c/0x2d0
[  427.219270][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  427.224956][   T31]  get_signal+0x1285/0x1340
[  427.229500][   T31]  arch_do_signal_or_restart+0x9a/0x7a0
[  427.235613][   T31]  ? __pfx_arch_do_signal_or_restart+0x10/0x10
[  427.241812][   T31]  ? local_irq_enable_exit_to_user+0x5/0x10
[  427.248466][   T31]  irqentry_exit+0x177/0x660
[  427.253091][   T31]  exc_page_fault+0xab/0x100
[  427.258168][   T31]  asm_exc_page_fault+0x26/0x30
[  427.263155][   T31] RIP: 0033:0x7fa74db8f751
[  427.272625][   T31] RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
[  427.279174][   T31] RAX: 0000000000000000 RBX: 00007fa74dde5fa0 RCX: 00007fa74db8f749
[  427.291879][   T31] RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
[  427.300304][   T31] RBP: 00007fa74dc13f91 R08: 0000000000000000 R09: 0000000000000000
[  427.308671][   T31] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
[  427.317211][   T31] R13: 00007fa74dde6038 R14: 00007fa74dde5fa0 R15: 00007ffcf772ad98
[  427.325741][   T31]  </TASK>
[  427.344369][   T31] 
[  427.344369][   T31] Showing all locks held in the system:
[  427.352131][   T31] 3 locks held by kworker/u8:0/12:
[  427.393345][   T31]  #0: ffff88813fe29948 ((wq_completion)events_unbound#2){+.+.}-{0:0}, at: process_one_work+0x841/0x15a0
[  427.414220][   T31]  #1: ffffc90000117b80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x868/0x15a0
[  427.434249][   T31]  #2: ffffffff8f512448 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
[  427.454498][   T31] 2 locks held by kworker/1:0H/25:
[  427.459648][   T31]  #0: ffff888024a4f548 ((wq_completion)gfs2-glock/syz:syz){+.+.}-{0:0}, at: process_one_work+0x841/0x15a0
[  427.494350][   T31]  #1: ffffc900001f7b80 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x868/0x15a0
[  427.790495][   T31] 1 lock held by khungtaskd/31:
[  427.796128][   T31]  #0: ffffffff8e13f2e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  427.807702][   T31] 3 locks held by kworker/u8:11/2964:
[  427.813090][   T31]  #0: ffff88814caf1148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x841/0x15a0
[  427.824639][   T31]  #1: ffffc9000bf0fb80 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x868/0x15a0
[  427.845307][   T31]  #2: ffffffff8f512448 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x112/0x14b0
[  427.856730][T10271] loop8: detected capacity change from 0 to 32768
[  427.861296][   T31] 1 lock held by dhcpcd/5496:
[  427.874472][T10271] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  427.881898][T10271] CPU: 0 UID: 0 PID: 10271 Comm: syz.8.334 Not tainted syzkaller #0 PREEMPT(full) 
[  427.881921][T10271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  427.881931][T10271] Call Trace:
[  427.881938][T10271]  <TASK>
[  427.881946][T10271]  dump_stack_lvl+0x189/0x250
[  427.881974][T10271]  ? __pfx_dump_stack_lvl+0x10/0x10
[  427.882004][T10271]  ? __pfx__printk+0x10/0x10
[  427.882035][T10271]  ? kernfs_path_from_node+0x250/0x290
[  427.882054][T10271]  ? kernfs_path_from_node+0x2f/0x290
[  427.882075][T10271]  sysfs_create_dir_ns+0x259/0x280
[  427.882097][T10271]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  427.882118][T10271]  ? do_raw_spin_unlock+0x122/0x240
[  427.882144][T10271]  kobject_add_internal+0x6ab/0xcc0
[  427.882169][T10271]  kobject_init_and_add+0x125/0x190
[  427.882199][T10271]  ? __pfx_kobject_init_and_add+0x10/0x10
[  427.882223][T10271]  ? __raw_spin_lock_init+0x45/0x100
[  427.882246][T10271]  ? __init_swait_queue_head+0xa9/0x150
[  427.882272][T10271]  gfs2_sys_fs_add+0x234/0x450
[  427.882300][T10271]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  427.882328][T10271]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  427.882363][T10271]  gfs2_fill_super+0x1388/0x21b0
[  427.882398][T10271]  ? __pfx_gfs2_fill_super+0x10/0x10
[  427.882421][T10271]  ? sb_set_blocksize+0x155/0x240
[  427.882446][T10271]  ? setup_bdev_super+0x4c1/0x5b0
[  427.882467][T10271]  get_tree_bdev_flags+0x40e/0x4d0
[  427.882486][T10271]  ? __pfx_gfs2_fill_super+0x10/0x10
[  427.882505][T10271]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  427.882520][T10271]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  427.882555][T10271]  gfs2_get_tree+0x51/0x1e0
[  427.882577][T10271]  vfs_get_tree+0x92/0x2a0
[  427.882600][T10271]  do_new_mount+0x302/0xa10
[  427.882621][T10271]  ? apparmor_capable+0x137/0x1a0
[  427.882644][T10271]  ? __pfx_do_new_mount+0x10/0x10
[  427.882666][T10271]  ? ns_capable+0x8a/0xf0
[  427.882687][T10271]  ? kmem_cache_free+0x197/0x620
[  427.882716][T10271]  __se_sys_mount+0x313/0x410
[  427.882744][T10271]  ? __pfx___se_sys_mount+0x10/0x10
[  427.882769][T10271]  ? do_syscall_64+0xbe/0xf80
[  427.882789][T10271]  ? __x64_sys_mount+0x20/0xc0
[  427.882812][T10271]  do_syscall_64+0xfa/0xf80
[  427.882834][T10271]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  427.882851][T10271]  ? clear_bhb_loop+0x60/0xb0
[  427.882873][T10271]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  427.882889][T10271] RIP: 0033:0x7fd5e4190eea
[  427.882907][T10271] 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
[  427.882920][T10271] RSP: 002b:00007fd5e4fc0e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  427.882938][T10271] RAX: ffffffffffffffda RBX: 00007fd5e4fc0ef0 RCX: 00007fd5e4190eea
[  427.882951][T10271] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fd5e4fc0eb0
[  427.882962][T10271] RBP: 00002000000124c0 R08: 00007fd5e4fc0ef0 R09: 0000000000000000
[  427.882974][T10271] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  427.882992][T10271] R13: 00007fd5e4fc0eb0 R14: 00000000000125c7 R15: 0000200000000180
[  427.883020][T10271]  </TASK>
[  427.883046][T10271] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  427.898639][   T31]  #0: 
[  427.902529][T10271] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  427.914440][   T31] ffffffff8f512448 (rtnl_mutex){+.+.}-{4:4}, at: devinet_ioctl+0x323/0x1b20
[  428.231666][   T31] 2 locks held by getty/5585:
[  428.236405][   T31]  #0: ffff88814d3ba0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  428.246270][   T31]  #1: ffffc9000331e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x449/0x1460
[  428.257673][   T31] 3 locks held by kworker/0:5/6059:
[  428.262891][   T31]  #0: ffff88813fe15948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x841/0x15a0
[  428.274063][   T31]  #1: ffffc90002f57b80 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x868/0x15a0
[  428.284633][   T31]  #2: ffffffff8f512448 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20
[  428.295175][   T31] 5 locks held by kworker/u8:15/6116:
[  428.300732][   T31]  #0: ffff88801baa7148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x841/0x15a0
[  428.311386][   T31]  #1: ffffc90003affb80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x868/0x15a0
[  428.322854][   T31]  #2: ffffffff8f504e10 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xf7/0x7a0
[  428.340156][   T31]  #3: ffffffff8f512448 (rtnl_mutex){+.+.}-{4:4}, at: ops_undo_list+0x2a4/0x990
[  428.349604][   T31]  #4: ffffffff8e144e38 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2f6/0x730
[  428.361794][   T31] 2 locks held by kworker/1:2H/6379:
[  428.369488][   T31]  #0: ffff888024a4f548 ((wq_completion)gfs2-glock/syz:syz){+.+.}-{0:0}, at: process_one_work+0x841/0x15a0
[  428.381040][   T31]  #1: ffffc9000457fb80 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_one_work+0x868/0x15a0
[  428.393252][   T31] 1 lock held by syz.1.147/8323:
[  428.398257][   T31]  #0: ffff888078d3e0e0 (&type->s_umount_key#54){+.+.}-{4:4}, at: deactivate_super+0xa9/0xe0
[  428.408527][   T31] 1 lock held by syz-executor/9609:
[  428.413932][   T31]  #0: ffffffff8f512448 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x3e/0x1c0
[  428.424001][   T31] 1 lock held by syz-executor/9859:
[  428.429296][   T31]  #0: ffffffff8f512448 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8ec/0x1c90
[  428.438426][   T31] 2 locks held by syz-executor/10159:
[  428.443781][   T31]  #0: ffffffff8fa26930 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x23/0x250
[  428.453635][   T31]  #1: ffffffff8f512448 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8ec/0x1c90
[  428.464890][   T31] 1 lock held by syz.1.333/10269:
[  428.469931][   T31]  #0: ffffffff8e144e38 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x3b9/0x730
[  428.481062][   T31] 
[  428.483461][   T31] =============================================
[  428.483461][   T31] 
[  428.493074][   T31] NMI backtrace for cpu 1
[  428.493092][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  428.493110][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  428.493120][   T31] Call Trace:
[  428.493127][   T31]  <TASK>
[  428.493142][   T31]  dump_stack_lvl+0x189/0x250
[  428.493168][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
[  428.493187][   T31]  ? __pfx__printk+0x10/0x10
[  428.493221][   T31]  nmi_cpu_backtrace+0x39e/0x3d0
[  428.493241][   T31]  ? __pfx_nmi_cpu_backtrace+0x10/0x10
[  428.493260][   T31]  ? __pfx__printk+0x10/0x10
[  428.493285][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  428.493311][   T31]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  428.493330][   T31]  sys_info+0x135/0x170
[  428.493344][   T31]  watchdog+0xe40/0xe90
[  428.493371][   T31]  ? watchdog+0x202/0xe90
[  428.493398][   T31]  kthread+0x711/0x8a0
[  428.493421][   T31]  ? __pfx_watchdog+0x10/0x10
[  428.493441][   T31]  ? __pfx_kthread+0x10/0x10
[  428.493462][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  428.493481][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  428.493500][   T31]  ? __pfx_kthread+0x10/0x10
[  428.493520][   T31]  ret_from_fork+0x599/0xb30
[  428.493539][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  428.493564][   T31]  ? __switch_to_asm+0x39/0x70
[  428.493583][   T31]  ? __switch_to_asm+0x33/0x70
[  428.493601][   T31]  ? __pfx_kthread+0x10/0x10
[  428.493621][   T31]  ret_from_fork_asm+0x1a/0x30
[  428.493656][   T31]  </TASK>
[  428.493663][   T31] Sending NMI from CPU 1 to CPUs 0:
[  428.650530][    C0] NMI backtrace for cpu 0
[  428.650547][    C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) 
[  428.650566][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  428.650577][    C0] RIP: 0010:pv_native_safe_halt+0x13/0x20
[  428.650605][    C0] Code: cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 33 9e 2a 00 f3 0f 1e fa fb f4 <e9> 48 ee 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
[  428.650619][    C0] RSP: 0018:ffffffff8de07d80 EFLAGS: 000002c6
[  428.650634][    C0] RAX: d9f153fd7f7f5900 RBX: ffffffff819786ba RCX: d9f153fd7f7f5900
[  428.650646][    C0] RDX: 0000000000000001 RSI: ffffffff8d997e54 RDI: ffffffff8be07960
[  428.650657][    C0] RBP: ffffffff8de07ea8 R08: ffff8880b86336db R09: 1ffff110170c66db
[  428.650670][    C0] R10: dffffc0000000000 R11: ffffed10170c66dc R12: ffffffff8fa22f70
[  428.650682][    C0] R13: 1ffffffff1bd29b8 R14: 0000000000000000 R15: 0000000000000000
[  428.650693][    C0] FS:  0000000000000000(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000
[  428.650706][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  428.650718][    C0] CR2: 00007fd5e43bb580 CR3: 0000000076c46000 CR4: 00000000003526f0
[  428.650733][    C0] Call Trace:
[  428.650741][    C0]  <TASK>
[  428.650747][    C0]  default_idle+0x13/0x20
[  428.650762][    C0]  default_idle_call+0x73/0xb0
[  428.650778][    C0]  do_idle+0x1ea/0x520
[  428.650795][    C0]  ? asm_sysvec_call_function_single+0x1a/0x20
[  428.650816][    C0]  ? __pfx_do_idle+0x10/0x10
[  428.650837][    C0]  ? do_idle+0xc/0x520
[  428.650855][    C0]  cpu_startup_entry+0x44/0x60
[  428.650873][    C0]  rest_init+0x2de/0x300
[  428.650889][    C0]  start_kernel+0x3ac/0x400
[  428.650910][    C0]  x86_64_start_reservations+0x24/0x30
[  428.650933][    C0]  x86_64_start_kernel+0x143/0x1c0
[  428.650955][    C0]  common_startup_64+0x13e/0x147
[  428.650983][    C0]  </TASK>
[  428.853268][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  428.860159][   T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  428.869266][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  428.879307][   T31] Call Trace:
[  428.882661][   T31]  <TASK>
[  428.885575][   T31]  dump_stack_lvl+0x99/0x250
[  428.890151][   T31]  ? __asan_memcpy+0x40/0x70
[  428.894719][   T31]  ? __pfx_dump_stack_lvl+0x10/0x10
2025/12/20 15:39:45 executed programs: 326
[  428.899918][   T31]  ? __pfx__printk+0x10/0x10
[  428.904510][   T31]  vpanic+0x237/0x6d0
[  428.908502][   T31]  ? __pfx_vpanic+0x10/0x10
[  428.913023][   T31]  ? irqentry_exit+0x5dd/0x660
[  428.917913][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  428.923133][   T31]  panic+0xb9/0xc0
[  428.926890][   T31]  ? __pfx_panic+0x10/0x10
[  428.931323][   T31]  ? __pfx_panic+0x10/0x10
[  428.935732][   T31]  watchdog+0xe83/0xe90
[  428.939879][   T31]  ? watchdog+0x202/0xe90
[  428.944200][   T31]  kthread+0x711/0x8a0
[  428.948264][   T31]  ? __pfx_watchdog+0x10/0x10
[  428.952989][   T31]  ? __pfx_kthread+0x10/0x10
[  428.957561][   T31]  ? _raw_spin_unlock_irq+0x23/0x50
[  428.962745][   T31]  ? lockdep_hardirqs_on+0x98/0x140
[  428.967926][   T31]  ? __pfx_kthread+0x10/0x10
[  428.972501][   T31]  ret_from_fork+0x599/0xb30
[  428.977092][   T31]  ? __pfx_ret_from_fork+0x10/0x10
[  428.982203][   T31]  ? __switch_to_asm+0x39/0x70
[  428.986960][   T31]  ? __switch_to_asm+0x33/0x70
[  428.991710][   T31]  ? __pfx_kthread+0x10/0x10
[  428.996288][   T31]  ret_from_fork_asm+0x1a/0x30
[  429.001052][   T31]  </TASK>
[  429.004323][   T31] Kernel Offset: disabled
[  429.008632][   T31] Rebooting in 86400 seconds..