y to register things with the same name in the same directory.
[  137.341036][ T6130] gfs2: fsid=syz:syz.0: jid=0: Done
[  137.349583][ T6251] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  137.353136][ T6243] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  137.559590][ T6243] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[  137.626937][ T6253] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  137.645353][ T6253] CPU: 1 UID: 0 PID: 6253 Comm: syz.3.51 Not tainted syzkaller #0 PREEMPT(full) 
[  137.645383][ T6253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  137.645398][ T6253] Call Trace:
[  137.645406][ T6253]  <TASK>
[  137.645415][ T6253]  dump_stack_lvl+0x189/0x250
[  137.645458][ T6253]  ? __pfx_dump_stack_lvl+0x10/0x10
[  137.645491][ T6253]  ? __pfx__printk+0x10/0x10
[  137.645522][ T6253]  ? kernfs_path_from_node+0x250/0x290
[  137.645548][ T6253]  ? kernfs_path_from_node+0x2f/0x290
[  137.645579][ T6253]  sysfs_create_dir_ns+0x259/0x280
[  137.645608][ T6253]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  137.645636][ T6253]  ? do_raw_spin_unlock+0x122/0x240
[  137.645665][ T6253]  kobject_add_internal+0x59f/0xb70
[  137.645708][ T6253]  kobject_init_and_add+0x125/0x190
[  137.645740][ T6253]  ? __pfx_kobject_init_and_add+0x10/0x10
[  137.645766][ T6253]  ? __raw_spin_lock_init+0x45/0x100
[  137.645792][ T6253]  ? __init_swait_queue_head+0xa9/0x150
[  137.645820][ T6253]  gfs2_sys_fs_add+0x234/0x450
[  137.645851][ T6253]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  137.645884][ T6253]  ? is_dynamic_key+0xd6/0x1c0
[  137.645911][ T6253]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  137.645949][ T6253]  gfs2_fill_super+0x1388/0x21b0
[  137.646002][ T6253]  ? __pfx_gfs2_fill_super+0x10/0x10
[  137.646041][ T6253]  ? sb_set_blocksize+0x155/0x240
[  137.646069][ T6253]  ? setup_bdev_super+0x4c1/0x5b0
[  137.646097][ T6253]  get_tree_bdev_flags+0x40e/0x4d0
[  137.646124][ T6253]  ? __pfx_gfs2_fill_super+0x10/0x10
[  137.646157][ T6253]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  137.646181][ T6253]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  137.646214][ T6253]  gfs2_get_tree+0x51/0x1e0
[  137.646252][ T6253]  vfs_get_tree+0x92/0x2b0
[  137.646280][ T6253]  do_new_mount+0x302/0xa10
[  137.646308][ T6253]  ? apparmor_capable+0x137/0x1b0
[  137.646343][ T6253]  ? __pfx_do_new_mount+0x10/0x10
[  137.646373][ T6253]  ? ns_capable+0x8a/0xf0
[  137.646405][ T6253]  ? kmem_cache_free+0x197/0x640
[  137.646443][ T6253]  __se_sys_mount+0x313/0x410
[  137.646482][ T6253]  ? __pfx___se_sys_mount+0x10/0x10
[  137.646517][ T6253]  ? do_syscall_64+0xbe/0xfa0
[  137.646537][ T6253]  ? __x64_sys_mount+0x20/0xc0
[  137.646569][ T6253]  do_syscall_64+0xfa/0xfa0
[  137.646591][ T6253]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  137.646612][ T6253]  ? clear_bhb_loop+0x60/0xb0
[  137.646638][ T6253]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  137.646659][ T6253] RIP: 0033:0x7fde8d990eea
[  137.646678][ T6253] 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
[  137.646704][ T6253] RSP: 002b:00007fde8e8cee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  137.646728][ T6253] RAX: ffffffffffffffda RBX: 00007fde8e8ceef0 RCX: 00007fde8d990eea
[  137.646744][ T6253] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde8e8ceeb0
[  137.646759][ T6253] RBP: 00002000000124c0 R08: 00007fde8e8ceef0 R09: 0000000000000000
[  137.646773][ T6253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  137.646788][ T6253] R13: 00007fde8e8ceeb0 R14: 00000000000125c7 R15: 0000200000000180
[  137.646823][ T6253]  </TASK>
[  137.646851][ T6253] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  138.022946][ T6253] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  138.123759][ T1300] ieee802154 phy0 wpan0: encryption failed: -22
[  138.130422][ T1300] ieee802154 phy1 wpan1: encryption failed: -22
[  138.631472][ T6257] loop4: detected capacity change from 0 to 32768
[  138.684458][ T6257] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  138.714352][ T6257] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  138.760409][ T6259] loop0: detected capacity change from 0 to 32768
[  138.767854][ T6257] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  138.789799][ T6076] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  138.796958][ T6259] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  138.796984][ T6259] CPU: 0 UID: 0 PID: 6259 Comm: syz.0.53 Not tainted syzkaller #0 PREEMPT(full) 
[  138.797008][ T6259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  138.797021][ T6259] Call Trace:
[  138.797029][ T6259]  <TASK>
[  138.797038][ T6259]  dump_stack_lvl+0x189/0x250
[  138.797079][ T6259]  ? __pfx_dump_stack_lvl+0x10/0x10
[  138.797112][ T6259]  ? __pfx__printk+0x10/0x10
[  138.797144][ T6259]  ? kernfs_path_from_node+0x250/0x290
[  138.797170][ T6259]  ? kernfs_path_from_node+0x2f/0x290
[  138.797201][ T6259]  sysfs_create_dir_ns+0x259/0x280
[  138.797229][ T6259]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  138.797257][ T6259]  ? do_raw_spin_unlock+0x122/0x240
[  138.797287][ T6259]  kobject_add_internal+0x59f/0xb70
[  138.797322][ T6259]  kobject_init_and_add+0x125/0x190
[  138.797353][ T6259]  ? __pfx_kobject_init_and_add+0x10/0x10
[  138.797379][ T6259]  ? __raw_spin_lock_init+0x45/0x100
[  138.797412][ T6259]  ? __init_swait_queue_head+0xa9/0x150
[  138.797442][ T6259]  gfs2_sys_fs_add+0x234/0x450
[  138.797475][ T6259]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  138.797516][ T6259]  ? is_dynamic_key+0xd6/0x1c0
[  138.797548][ T6259]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  138.797592][ T6259]  gfs2_fill_super+0x1388/0x21b0
[  138.797648][ T6259]  ? __pfx_gfs2_fill_super+0x10/0x10
[  138.797692][ T6259]  ? sb_set_blocksize+0x155/0x240
[  138.797722][ T6259]  ? setup_bdev_super+0x4c1/0x5b0
[  138.797756][ T6259]  get_tree_bdev_flags+0x40e/0x4d0
[  138.797785][ T6259]  ? __pfx_gfs2_fill_super+0x10/0x10
[  138.797823][ T6259]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  138.797855][ T6259]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  138.797892][ T6259]  gfs2_get_tree+0x51/0x1e0
[  138.797933][ T6259]  vfs_get_tree+0x92/0x2b0
[  138.797966][ T6259]  do_new_mount+0x302/0xa10
[  138.797998][ T6259]  ? apparmor_capable+0x137/0x1b0
[  138.798038][ T6259]  ? __pfx_do_new_mount+0x10/0x10
[  138.798071][ T6259]  ? ns_capable+0x8a/0xf0
[  138.798107][ T6259]  ? kmem_cache_free+0x197/0x640
[  138.798152][ T6259]  __se_sys_mount+0x313/0x410
[  138.798194][ T6259]  ? __pfx___se_sys_mount+0x10/0x10
[  138.798234][ T6259]  ? do_syscall_64+0xbe/0xfa0
[  138.798255][ T6259]  ? __x64_sys_mount+0x20/0xc0
[  138.798292][ T6259]  do_syscall_64+0xfa/0xfa0
[  138.798317][ T6259]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.798341][ T6259]  ? clear_bhb_loop+0x60/0xb0
[  138.798370][ T6259]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  138.798401][ T6259] RIP: 0033:0x7fbe2bd90eea
[  138.798425][ T6259] 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
[  138.798445][ T6259] RSP: 002b:00007fbe2cc8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  138.798472][ T6259] RAX: ffffffffffffffda RBX: 00007fbe2cc8cef0 RCX: 00007fbe2bd90eea
[  138.798489][ T6259] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbe2cc8ceb0
[  138.798505][ T6259] RBP: 00002000000124c0 R08: 00007fbe2cc8cef0 R09: 0000000000000000
[  138.798522][ T6259] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  138.798538][ T6259] R13: 00007fbe2cc8ceb0 R14: 00000000000125c7 R15: 0000200000000180
[  138.798573][ T6259]  </TASK>
[  138.802641][ T6259] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  138.831341][ T6076] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  139.140098][ T6259] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  139.304882][ T6076] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 473ms
[  139.326792][ T6076] gfs2: fsid=syz:syz.0: jid=0: Done
[  139.332458][ T6257] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  139.363240][ T6257] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[  139.497815][ T6268] loop1: detected capacity change from 0 to 32768
[  139.582718][ T6268] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  139.636125][ T6268] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  139.751399][ T6268] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  139.784666][ T6076] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  139.812940][ T6076] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  139.834081][ T6270] loop3: detected capacity change from 0 to 32768
[  139.892442][ T6270] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  139.912991][ T6270] CPU: 0 UID: 0 PID: 6270 Comm: syz.3.56 Not tainted syzkaller #0 PREEMPT(full) 
[  139.913019][ T6270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  139.913032][ T6270] Call Trace:
[  139.913040][ T6270]  <TASK>
[  139.913050][ T6270]  dump_stack_lvl+0x189/0x250
[  139.913093][ T6270]  ? __pfx_dump_stack_lvl+0x10/0x10
[  139.913127][ T6270]  ? __pfx__printk+0x10/0x10
[  139.913159][ T6270]  ? kernfs_path_from_node+0x250/0x290
[  139.913185][ T6270]  ? kernfs_path_from_node+0x2f/0x290
[  139.913251][ T6270]  sysfs_create_dir_ns+0x259/0x280
[  139.913282][ T6270]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  139.913310][ T6270]  ? do_raw_spin_unlock+0x122/0x240
[  139.913340][ T6270]  kobject_add_internal+0x59f/0xb70
[  139.913377][ T6270]  kobject_init_and_add+0x125/0x190
[  139.913408][ T6270]  ? __pfx_kobject_init_and_add+0x10/0x10
[  139.913435][ T6270]  ? __raw_spin_lock_init+0x45/0x100
[  139.913460][ T6270]  ? __init_swait_queue_head+0xa9/0x150
[  139.913487][ T6270]  gfs2_sys_fs_add+0x234/0x450
[  139.913518][ T6270]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  139.913554][ T6270]  ? is_dynamic_key+0xd6/0x1c0
[  139.913582][ T6270]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  139.913620][ T6270]  gfs2_fill_super+0x1388/0x21b0
[  139.913672][ T6270]  ? __pfx_gfs2_fill_super+0x10/0x10
[  139.913711][ T6270]  ? sb_set_blocksize+0x155/0x240
[  139.913739][ T6270]  ? setup_bdev_super+0x4c1/0x5b0
[  139.913769][ T6270]  get_tree_bdev_flags+0x40e/0x4d0
[  139.913795][ T6270]  ? __pfx_gfs2_fill_super+0x10/0x10
[  139.913829][ T6270]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  139.913853][ T6270]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  139.913887][ T6270]  gfs2_get_tree+0x51/0x1e0
[  139.913925][ T6270]  vfs_get_tree+0x92/0x2b0
[  139.913954][ T6270]  do_new_mount+0x302/0xa10
[  139.913989][ T6270]  ? apparmor_capable+0x137/0x1b0
[  139.914024][ T6270]  ? __pfx_do_new_mount+0x10/0x10
[  139.914054][ T6270]  ? ns_capable+0x8a/0xf0
[  139.914087][ T6270]  ? kmem_cache_free+0x197/0x640
[  139.914125][ T6270]  __se_sys_mount+0x313/0x410
[  139.914163][ T6270]  ? __pfx___se_sys_mount+0x10/0x10
[  139.914198][ T6270]  ? do_syscall_64+0xbe/0xfa0
[  139.914216][ T6270]  ? __x64_sys_mount+0x20/0xc0
[  139.914257][ T6270]  do_syscall_64+0xfa/0xfa0
[  139.914279][ T6270]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  139.914301][ T6270]  ? clear_bhb_loop+0x60/0xb0
[  139.914328][ T6270]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  139.914350][ T6270] RIP: 0033:0x7fde8d990eea
[  139.914370][ T6270] 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
[  139.914389][ T6270] RSP: 002b:00007fde8e8cee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  139.914413][ T6270] RAX: ffffffffffffffda RBX: 00007fde8e8ceef0 RCX: 00007fde8d990eea
[  139.914428][ T6270] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde8e8ceeb0
[  139.914444][ T6270] RBP: 00002000000124c0 R08: 00007fde8e8ceef0 R09: 0000000000000000
[  139.914458][ T6270] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  139.914472][ T6270] R13: 00007fde8e8ceeb0 R14: 00000000000125c7 R15: 0000200000000180
[  139.914507][ T6270]  </TASK>
[  139.914536][ T6270] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  140.106897][ T6076] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 293ms
[  140.122905][ T6270] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  140.154260][ T6076] gfs2: fsid=syz:syz.0: jid=0: Done
[  140.274267][ T6268] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  140.421267][ T6272] loop2: detected capacity change from 0 to 32768
[  140.473202][ T6272] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  140.492130][ T6268] gfs2: fsid=syz:syz.0: found 1 quota changes
[  140.496032][ T6272] CPU: 0 UID: 0 PID: 6272 Comm: syz.2.55 Not tainted syzkaller #0 PREEMPT(full) 
[  140.496064][ T6272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  140.496081][ T6272] Call Trace:
[  140.496091][ T6272]  <TASK>
[  140.496100][ T6272]  dump_stack_lvl+0x189/0x250
[  140.496148][ T6272]  ? __pfx_dump_stack_lvl+0x10/0x10
[  140.496186][ T6272]  ? __pfx__printk+0x10/0x10
[  140.496223][ T6272]  ? kernfs_path_from_node+0x250/0x290
[  140.496251][ T6272]  ? kernfs_path_from_node+0x2f/0x290
[  140.496287][ T6272]  sysfs_create_dir_ns+0x259/0x280
[  140.496319][ T6272]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  140.496350][ T6272]  ? do_raw_spin_unlock+0x122/0x240
[  140.496384][ T6272]  kobject_add_internal+0x59f/0xb70
[  140.496423][ T6272]  kobject_init_and_add+0x125/0x190
[  140.496469][ T6272]  ? __pfx_kobject_init_and_add+0x10/0x10
[  140.496500][ T6272]  ? __raw_spin_lock_init+0x45/0x100
[  140.496530][ T6272]  ? __init_swait_queue_head+0xa9/0x150
[  140.496562][ T6272]  gfs2_sys_fs_add+0x234/0x450
[  140.496595][ T6272]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  140.496633][ T6272]  ? is_dynamic_key+0xd6/0x1c0
[  140.496663][ T6272]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  140.496706][ T6272]  gfs2_fill_super+0x1388/0x21b0
[  140.496764][ T6272]  ? __pfx_gfs2_fill_super+0x10/0x10
[  140.496808][ T6272]  ? sb_set_blocksize+0x155/0x240
[  140.496840][ T6272]  ? setup_bdev_super+0x4c1/0x5b0
[  140.496873][ T6272]  get_tree_bdev_flags+0x40e/0x4d0
[  140.496903][ T6272]  ? __pfx_gfs2_fill_super+0x10/0x10
[  140.496942][ T6272]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  140.496968][ T6272]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  140.497006][ T6272]  gfs2_get_tree+0x51/0x1e0
[  140.497047][ T6272]  vfs_get_tree+0x92/0x2b0
[  140.497080][ T6272]  do_new_mount+0x302/0xa10
[  140.497111][ T6272]  ? apparmor_capable+0x137/0x1b0
[  140.497150][ T6272]  ? __pfx_do_new_mount+0x10/0x10
[  140.497184][ T6272]  ? ns_capable+0x8a/0xf0
[  140.497219][ T6272]  ? kmem_cache_free+0x197/0x640
[  140.497263][ T6272]  __se_sys_mount+0x313/0x410
[  140.497306][ T6272]  ? __pfx___se_sys_mount+0x10/0x10
[  140.497345][ T6272]  ? do_syscall_64+0xbe/0xfa0
[  140.497366][ T6272]  ? __x64_sys_mount+0x20/0xc0
[  140.497404][ T6272]  do_syscall_64+0xfa/0xfa0
[  140.497429][ T6272]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  140.497462][ T6272]  ? clear_bhb_loop+0x60/0xb0
[  140.497491][ T6272]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  140.497514][ T6272] RIP: 0033:0x7f6fe2390eea
[  140.497538][ T6272] 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
[  140.497558][ T6272] RSP: 002b:00007f6fe32c5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  140.497585][ T6272] RAX: ffffffffffffffda RBX: 00007f6fe32c5ef0 RCX: 00007f6fe2390eea
[  140.497603][ T6272] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f6fe32c5eb0
[  140.497620][ T6272] RBP: 00002000000124c0 R08: 00007f6fe32c5ef0 R09: 0000000000000000
[  140.497637][ T6272] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  140.497650][ T6272] R13: 00007f6fe32c5eb0 R14: 00000000000125c7 R15: 0000200000000180
[  140.497690][ T6272]  </TASK>
2025/11/24 04:20:26 executed programs: 52
[  140.497721][ T6272] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  140.600223][ T6268] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[  140.601970][ T6272] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  140.823407][ T6268] gfs2: fsid=syz:syz.0: G:  s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[  140.914233][ T6268] gfs2: fsid=syz:syz.0:  H: s:EX f:H e:0 p:6268 [syz.1.54] gfs2_quota_sync+0x359/0x460
[  140.941754][ T6268] gfs2: fsid=syz:syz.0:  I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[  140.999879][ T6268] CPU: 1 UID: 0 PID: 6268 Comm: syz.1.54 Not tainted syzkaller #0 PREEMPT(full) 
[  140.999910][ T6268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  140.999923][ T6268] Call Trace:
[  140.999932][ T6268]  <TASK>
[  140.999941][ T6268]  dump_stack_lvl+0x189/0x250
[  140.999985][ T6268]  ? __pfx_dump_stack_lvl+0x10/0x10
[  141.000019][ T6268]  ? queue_delayed_work_on+0x11a/0x280
[  141.000052][ T6268]  ? lockdep_hardirqs_on+0x9c/0x150
[  141.000073][ T6268]  ? preempt_schedule+0xae/0xc0
[  141.000114][ T6268]  gfs2_withdraw+0xc3/0x1b0
[  141.000159][ T6268]  inode_go_instantiate+0xdd0/0x1210
[  141.000204][ T6268]  ? __pfx_inode_go_instantiate+0x10/0x10
[  141.000241][ T6268]  ? gfs2_glock_nq+0xedd/0x15f0
[  141.000270][ T6268]  gfs2_instantiate+0x168/0x220
[  141.000307][ T6268]  gfs2_glock_wait+0x1d4/0x2a0
[  141.000333][ T6268]  do_sync+0x46f/0xc60
[  141.000358][ T6268]  ? _raw_spin_unlock+0x28/0x50
[  141.000388][ T6268]  ? gfs2_quota_sync+0x359/0x460
[  141.000428][ T6268]  ? __pfx_do_sync+0x10/0x10
[  141.000465][ T6268]  ? gfs2_quota_sync+0x359/0x460
[  141.000496][ T6268]  ? do_raw_spin_unlock+0x122/0x240
[  141.000526][ T6268]  gfs2_quota_sync+0x359/0x460
[  141.000566][ T6268]  gfs2_sync_fs+0x4c/0xb0
[  141.000592][ T6268]  sync_filesystem+0xee/0x230
[  141.000617][ T6268]  gfs2_reconfigure+0xbb/0xb20
[  141.000650][ T6268]  ? _raw_spin_unlock+0x28/0x50
[  141.000679][ T6268]  ? sb_prepare_remount_readonly+0x471/0x4b0
[  141.000714][ T6268]  reconfigure_super+0x227/0x890
[  141.000748][ T6268]  path_mount+0xd29/0xff0
[  141.000776][ T6268]  ? kmem_cache_free+0x197/0x640
[  141.000820][ T6268]  __se_sys_mount+0x313/0x410
[  141.000859][ T6268]  ? __pfx___se_sys_mount+0x10/0x10
[  141.000894][ T6268]  ? do_syscall_64+0xbe/0xfa0
[  141.000912][ T6268]  ? __x64_sys_mount+0x20/0xc0
[  141.000945][ T6268]  do_syscall_64+0xfa/0xfa0
[  141.000966][ T6268]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  141.000987][ T6268]  ? clear_bhb_loop+0x60/0xb0
[  141.001013][ T6268]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  141.001034][ T6268] RIP: 0033:0x7fa3e8790eea
[  141.001053][ T6268] 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
[  141.001073][ T6268] RSP: 002b:00007fa3e9570e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  141.001095][ T6268] RAX: ffffffffffffffda RBX: 00007fa3e9570ef0 RCX: 00007fa3e8790eea
[  141.001111][ T6268] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[  141.001126][ T6268] RBP: 00002000000003c0 R08: 00007fa3e9570ef0 R09: 000000000126a4b5
[  141.001147][ T6268] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[  141.001162][ T6268] R13: 00007fa3e9570eb0 R14: 0000000000000000 R15: 0000200000004140
[  141.001197][ T6268]  </TASK>
[  141.001242][ T6268] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  141.307483][ T6278] loop0: detected capacity change from 0 to 32768
[  141.311250][ T6202] gfs2: fsid=syz:syz.0: file system withdrawn
[  141.359713][ T6278] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  141.387600][ T6278] CPU: 1 UID: 0 PID: 6278 Comm: syz.0.57 Not tainted syzkaller #0 PREEMPT(full) 
[  141.387627][ T6278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  141.387637][ T6278] Call Trace:
[  141.387644][ T6278]  <TASK>
[  141.387652][ T6278]  dump_stack_lvl+0x189/0x250
[  141.387685][ T6278]  ? __pfx_dump_stack_lvl+0x10/0x10
[  141.387712][ T6278]  ? __pfx__printk+0x10/0x10
[  141.387737][ T6278]  ? kernfs_path_from_node+0x250/0x290
[  141.387758][ T6278]  ? kernfs_path_from_node+0x2f/0x290
[  141.387781][ T6278]  sysfs_create_dir_ns+0x259/0x280
[  141.387805][ T6278]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  141.387827][ T6278]  ? do_raw_spin_unlock+0x122/0x240
[  141.387851][ T6278]  kobject_add_internal+0x59f/0xb70
[  141.387879][ T6278]  kobject_init_and_add+0x125/0x190
[  141.387905][ T6278]  ? __pfx_kobject_init_and_add+0x10/0x10
[  141.387926][ T6278]  ? __raw_spin_lock_init+0x45/0x100
[  141.387946][ T6278]  ? __init_swait_queue_head+0xa9/0x150
[  141.387968][ T6278]  gfs2_sys_fs_add+0x234/0x450
[  141.387994][ T6278]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  141.388024][ T6278]  ? is_dynamic_key+0xd6/0x1c0
[  141.388048][ T6278]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  141.388079][ T6278]  gfs2_fill_super+0x1388/0x21b0
[  141.388141][ T6278]  ? __pfx_gfs2_fill_super+0x10/0x10
[  141.388175][ T6278]  ? sb_set_blocksize+0x155/0x240
[  141.388197][ T6278]  ? setup_bdev_super+0x4c1/0x5b0
[  141.388222][ T6278]  get_tree_bdev_flags+0x40e/0x4d0
[  141.388243][ T6278]  ? __pfx_gfs2_fill_super+0x10/0x10
[  141.388272][ T6278]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  141.388294][ T6278]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  141.388324][ T6278]  gfs2_get_tree+0x51/0x1e0
[  141.388358][ T6278]  vfs_get_tree+0x92/0x2b0
[  141.388385][ T6278]  do_new_mount+0x302/0xa10
[  141.388414][ T6278]  ? apparmor_capable+0x137/0x1b0
[  141.388447][ T6278]  ? __pfx_do_new_mount+0x10/0x10
[  141.388475][ T6278]  ? ns_capable+0x8a/0xf0
[  141.388505][ T6278]  ? kmem_cache_free+0x197/0x640
[  141.388542][ T6278]  __se_sys_mount+0x313/0x410
[  141.388578][ T6278]  ? __pfx___se_sys_mount+0x10/0x10
[  141.388618][ T6278]  ? do_syscall_64+0xbe/0xfa0
[  141.388637][ T6278]  ? __x64_sys_mount+0x20/0xc0
[  141.388670][ T6278]  do_syscall_64+0xfa/0xfa0
[  141.388692][ T6278]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  141.388714][ T6278]  ? clear_bhb_loop+0x60/0xb0
[  141.388741][ T6278]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  141.388763][ T6278] RIP: 0033:0x7fbe2bd90eea
[  141.388784][ T6278] 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
[  141.388802][ T6278] RSP: 002b:00007fbe2cc8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  141.388826][ T6278] RAX: ffffffffffffffda RBX: 00007fbe2cc8cef0 RCX: 00007fbe2bd90eea
[  141.388843][ T6278] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbe2cc8ceb0
[  141.388858][ T6278] RBP: 00002000000124c0 R08: 00007fbe2cc8cef0 R09: 0000000000000000
[  141.388872][ T6278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  141.388886][ T6278] R13: 00007fbe2cc8ceb0 R14: 00000000000125c7 R15: 0000200000000180
[  141.388922][ T6278]  </TASK>
[  141.388976][ T6278] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  141.743486][ T6278] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  142.408820][ T6285] loop4: detected capacity change from 0 to 32768
[  142.484870][ T6285] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  142.512978][ T6285] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  142.578212][ T6285] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  142.599006][ T6076] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  142.607880][ T6076] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  142.651231][ T6291] loop3: detected capacity change from 0 to 32768
[  142.747002][ T6291] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  142.751461][ T6076] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 143ms
[  142.773288][ T6291] CPU: 0 UID: 0 PID: 6291 Comm: syz.3.59 Not tainted syzkaller #0 PREEMPT(full) 
[  142.773319][ T6291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  142.773333][ T6291] Call Trace:
[  142.773341][ T6291]  <TASK>
[  142.773350][ T6291]  dump_stack_lvl+0x189/0x250
[  142.773390][ T6291]  ? __pfx_dump_stack_lvl+0x10/0x10
[  142.773424][ T6291]  ? __pfx__printk+0x10/0x10
[  142.773455][ T6291]  ? kernfs_path_from_node+0x250/0x290
[  142.773481][ T6291]  ? kernfs_path_from_node+0x2f/0x290
[  142.773510][ T6291]  sysfs_create_dir_ns+0x259/0x280
[  142.773540][ T6291]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  142.773566][ T6291]  ? do_raw_spin_unlock+0x122/0x240
[  142.773595][ T6291]  kobject_add_internal+0x59f/0xb70
[  142.773631][ T6291]  kobject_init_and_add+0x125/0x190
[  142.773660][ T6291]  ? __pfx_kobject_init_and_add+0x10/0x10
[  142.773685][ T6291]  ? __raw_spin_lock_init+0x45/0x100
[  142.773710][ T6291]  ? __init_swait_queue_head+0xa9/0x150
[  142.773737][ T6291]  gfs2_sys_fs_add+0x234/0x450
[  142.773767][ T6291]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  142.773801][ T6291]  ? is_dynamic_key+0xd6/0x1c0
[  142.773828][ T6291]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  142.773865][ T6291]  gfs2_fill_super+0x1388/0x21b0
[  142.773915][ T6291]  ? __pfx_gfs2_fill_super+0x10/0x10
[  142.773952][ T6291]  ? sb_set_blocksize+0x155/0x240
[  142.773994][ T6291]  ? setup_bdev_super+0x4c1/0x5b0
[  142.774024][ T6291]  get_tree_bdev_flags+0x40e/0x4d0
[  142.774050][ T6291]  ? __pfx_gfs2_fill_super+0x10/0x10
[  142.774084][ T6291]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  142.774107][ T6291]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  142.774141][ T6291]  gfs2_get_tree+0x51/0x1e0
[  142.774179][ T6291]  vfs_get_tree+0x92/0x2b0
[  142.774207][ T6291]  do_new_mount+0x302/0xa10
[  142.774235][ T6291]  ? apparmor_capable+0x137/0x1b0
[  142.774269][ T6291]  ? __pfx_do_new_mount+0x10/0x10
[  142.774298][ T6291]  ? ns_capable+0x8a/0xf0
[  142.774331][ T6291]  ? kmem_cache_free+0x197/0x640
[  142.774369][ T6291]  __se_sys_mount+0x313/0x410
[  142.774408][ T6291]  ? __pfx___se_sys_mount+0x10/0x10
[  142.774443][ T6291]  ? do_syscall_64+0xbe/0xfa0
[  142.774462][ T6291]  ? __x64_sys_mount+0x20/0xc0
[  142.774494][ T6291]  do_syscall_64+0xfa/0xfa0
[  142.774516][ T6291]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  142.774537][ T6291]  ? clear_bhb_loop+0x60/0xb0
[  142.774563][ T6291]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  142.774584][ T6291] RIP: 0033:0x7fde8d990eea
[  142.774604][ T6291] 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
[  142.774622][ T6291] RSP: 002b:00007fde8e8cee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  142.774645][ T6291] RAX: ffffffffffffffda RBX: 00007fde8e8ceef0 RCX: 00007fde8d990eea
[  142.774661][ T6291] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde8e8ceeb0
[  142.774676][ T6291] RBP: 00002000000124c0 R08: 00007fde8e8ceef0 R09: 0000000000000000
[  142.774690][ T6291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  142.774703][ T6291] R13: 00007fde8e8ceeb0 R14: 00000000000125c7 R15: 0000200000000180
[  142.774736][ T6291]  </TASK>
[  142.774904][ T6291] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  142.813226][ T6076] gfs2: fsid=syz:syz.0: jid=0: Done
[  142.889979][ T6291] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  142.982939][ T6285] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  143.150340][ T6285] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[  143.190130][ T6296] loop0: detected capacity change from 0 to 32768
[  143.316062][ T6297] loop2: detected capacity change from 0 to 32768
[  143.333894][ T6296] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  143.357285][ T6296] CPU: 0 UID: 0 PID: 6296 Comm: syz.0.62 Not tainted syzkaller #0 PREEMPT(full) 
[  143.357314][ T6296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  143.357327][ T6296] Call Trace:
[  143.357336][ T6296]  <TASK>
[  143.357345][ T6296]  dump_stack_lvl+0x189/0x250
[  143.357386][ T6296]  ? __pfx_dump_stack_lvl+0x10/0x10
[  143.357419][ T6296]  ? __pfx__printk+0x10/0x10
[  143.357450][ T6296]  ? kernfs_path_from_node+0x250/0x290
[  143.357476][ T6296]  ? kernfs_path_from_node+0x2f/0x290
[  143.357507][ T6296]  sysfs_create_dir_ns+0x259/0x280
[  143.357536][ T6296]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  143.357564][ T6296]  ? do_raw_spin_unlock+0x122/0x240
[  143.357596][ T6296]  kobject_add_internal+0x59f/0xb70
[  143.357631][ T6296]  kobject_init_and_add+0x125/0x190
[  143.357662][ T6296]  ? __pfx_kobject_init_and_add+0x10/0x10
[  143.357688][ T6296]  ? __raw_spin_lock_init+0x45/0x100
[  143.357713][ T6296]  ? __init_swait_queue_head+0xa9/0x150
[  143.357740][ T6296]  gfs2_sys_fs_add+0x234/0x450
[  143.357771][ T6296]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  143.357804][ T6296]  ? is_dynamic_key+0xd6/0x1c0
[  143.357832][ T6296]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  143.357870][ T6296]  gfs2_fill_super+0x1388/0x21b0
[  143.357923][ T6296]  ? __pfx_gfs2_fill_super+0x10/0x10
[  143.357962][ T6296]  ? sb_set_blocksize+0x155/0x240
[  143.357990][ T6296]  ? setup_bdev_super+0x4c1/0x5b0
[  143.358020][ T6296]  get_tree_bdev_flags+0x40e/0x4d0
[  143.358047][ T6296]  ? __pfx_gfs2_fill_super+0x10/0x10
[  143.358080][ T6296]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  143.358104][ T6296]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  143.358137][ T6296]  gfs2_get_tree+0x51/0x1e0
[  143.358175][ T6296]  vfs_get_tree+0x92/0x2b0
[  143.358203][ T6296]  do_new_mount+0x302/0xa10
[  143.358231][ T6296]  ? apparmor_capable+0x137/0x1b0
[  143.358265][ T6296]  ? __pfx_do_new_mount+0x10/0x10
[  143.358303][ T6296]  ? ns_capable+0x8a/0xf0
[  143.358335][ T6296]  ? kmem_cache_free+0x197/0x640
[  143.358373][ T6296]  __se_sys_mount+0x313/0x410
[  143.358411][ T6296]  ? __pfx___se_sys_mount+0x10/0x10
[  143.358448][ T6296]  ? do_syscall_64+0xbe/0xfa0
[  143.358466][ T6296]  ? __x64_sys_mount+0x20/0xc0
[  143.358499][ T6296]  do_syscall_64+0xfa/0xfa0
[  143.358521][ T6296]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  143.358542][ T6296]  ? clear_bhb_loop+0x60/0xb0
[  143.358569][ T6296]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  143.358590][ T6296] RIP: 0033:0x7fbe2bd90eea
[  143.358610][ T6296] 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
[  143.358629][ T6296] RSP: 002b:00007fbe2cc8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  143.358652][ T6296] RAX: ffffffffffffffda RBX: 00007fbe2cc8cef0 RCX: 00007fbe2bd90eea
[  143.358668][ T6296] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbe2cc8ceb0
[  143.358684][ T6296] RBP: 00002000000124c0 R08: 00007fbe2cc8cef0 R09: 0000000000000000
[  143.358698][ T6296] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  143.358712][ T6296] R13: 00007fbe2cc8ceb0 R14: 00000000000125c7 R15: 0000200000000180
[  143.358748][ T6296]  </TASK>
[  143.358776][ T6296] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  143.636674][ T6297] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  143.735067][ T6297] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  143.752953][ T6296] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  143.785970][ T6297] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  143.849256][ T6076] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  143.920271][ T6076] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  144.085906][ T6076] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 165ms
[  144.123083][ T6076] gfs2: fsid=syz:syz.0: jid=0: Done
[  144.131596][ T6297] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  144.278859][ T6299] loop1: detected capacity change from 0 to 32768
[  144.319483][ T6299] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  144.351292][ T6297] gfs2: fsid=syz:syz.0: found 1 quota changes
[  144.362374][ T6299] CPU: 1 UID: 0 PID: 6299 Comm: syz.1.60 Not tainted syzkaller #0 PREEMPT(full) 
[  144.362404][ T6299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  144.362417][ T6299] Call Trace:
[  144.362426][ T6299]  <TASK>
[  144.362434][ T6299]  dump_stack_lvl+0x189/0x250
[  144.362474][ T6299]  ? __pfx_dump_stack_lvl+0x10/0x10
[  144.362506][ T6299]  ? __pfx__printk+0x10/0x10
[  144.362538][ T6299]  ? kernfs_path_from_node+0x250/0x290
[  144.362563][ T6299]  ? kernfs_path_from_node+0x2f/0x290
[  144.362592][ T6299]  sysfs_create_dir_ns+0x259/0x280
[  144.362622][ T6299]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  144.362650][ T6299]  ? do_raw_spin_unlock+0x122/0x240
[  144.362678][ T6299]  kobject_add_internal+0x59f/0xb70
[  144.362713][ T6299]  kobject_init_and_add+0x125/0x190
[  144.362744][ T6299]  ? __pfx_kobject_init_and_add+0x10/0x10
[  144.362770][ T6299]  ? __raw_spin_lock_init+0x45/0x100
[  144.362796][ T6299]  ? __init_swait_queue_head+0xa9/0x150
[  144.362827][ T6299]  gfs2_sys_fs_add+0x234/0x450
[  144.362858][ T6299]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  144.362893][ T6299]  ? is_dynamic_key+0xd6/0x1c0
[  144.362921][ T6299]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  144.362959][ T6299]  gfs2_fill_super+0x1388/0x21b0
[  144.363011][ T6299]  ? __pfx_gfs2_fill_super+0x10/0x10
[  144.363049][ T6299]  ? sb_set_blocksize+0x155/0x240
[  144.363074][ T6299]  ? setup_bdev_super+0x4c1/0x5b0
[  144.363099][ T6299]  get_tree_bdev_flags+0x40e/0x4d0
[  144.363117][ T6299]  ? __pfx_gfs2_fill_super+0x10/0x10
[  144.363147][ T6299]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  144.363163][ T6299]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  144.363186][ T6299]  gfs2_get_tree+0x51/0x1e0
[  144.363212][ T6299]  vfs_get_tree+0x92/0x2b0
[  144.363231][ T6299]  do_new_mount+0x302/0xa10
[  144.363251][ T6299]  ? apparmor_capable+0x137/0x1b0
[  144.363275][ T6299]  ? __pfx_do_new_mount+0x10/0x10
[  144.363295][ T6299]  ? ns_capable+0x8a/0xf0
[  144.363317][ T6299]  ? kmem_cache_free+0x197/0x640
[  144.363344][ T6299]  __se_sys_mount+0x313/0x410
[  144.363370][ T6299]  ? __pfx___se_sys_mount+0x10/0x10
[  144.363395][ T6299]  ? do_syscall_64+0xbe/0xfa0
[  144.363408][ T6299]  ? __x64_sys_mount+0x20/0xc0
[  144.363431][ T6299]  do_syscall_64+0xfa/0xfa0
[  144.363445][ T6299]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  144.363460][ T6299]  ? clear_bhb_loop+0x60/0xb0
[  144.363479][ T6299]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  144.363493][ T6299] RIP: 0033:0x7fa3e8790eea
[  144.363507][ T6299] 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
[  144.363520][ T6299] RSP: 002b:00007fa3e9570e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  144.363536][ T6299] RAX: ffffffffffffffda RBX: 00007fa3e9570ef0 RCX: 00007fa3e8790eea
[  144.363547][ T6299] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fa3e9570eb0
[  144.363557][ T6299] RBP: 00002000000124c0 R08: 00007fa3e9570ef0 R09: 0000000000000000
[  144.363567][ T6299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  144.363577][ T6299] R13: 00007fa3e9570eb0 R14: 00000000000125c7 R15: 0000200000000180
[  144.363601][ T6299]  </TASK>
[  144.733076][ T6299] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  144.798175][ T6297] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[  144.822969][ T6299] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  144.838331][ T6309] loop3: detected capacity change from 0 to 32768
[  144.844440][ T6297] gfs2: fsid=syz:syz.0: G:  s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[  144.874878][ T6297] gfs2: fsid=syz:syz.0:  H: s:EX f:H e:0 p:6297 [syz.2.61] gfs2_quota_sync+0x359/0x460
[  144.884992][ T6297] gfs2: fsid=syz:syz.0:  I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[  144.893450][ T6297] CPU: 1 UID: 0 PID: 6297 Comm: syz.2.61 Not tainted syzkaller #0 PREEMPT(full) 
[  144.893476][ T6297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  144.893489][ T6297] Call Trace:
[  144.893497][ T6297]  <TASK>
[  144.893506][ T6297]  dump_stack_lvl+0x189/0x250
[  144.893545][ T6297]  ? __pfx_dump_stack_lvl+0x10/0x10
[  144.893598][ T6297]  gfs2_withdraw+0xc3/0x1b0
[  144.893635][ T6297]  inode_go_instantiate+0xdd0/0x1210
[  144.893667][ T6297]  ? __pfx_bit_wait+0x10/0x10
[  144.893689][ T6297]  ? __pfx_bit_wait+0x10/0x10
[  144.893715][ T6297]  ? __pfx_inode_go_instantiate+0x10/0x10
[  144.893751][ T6297]  ? __pfx_wake_bit_function+0x10/0x10
[  144.893783][ T6297]  gfs2_instantiate+0x168/0x220
[  144.893823][ T6297]  gfs2_glock_wait+0x1d4/0x2a0
[  144.893849][ T6297]  do_sync+0x46f/0xc60
[  144.893875][ T6297]  ? _raw_spin_unlock+0x28/0x50
[  144.893905][ T6297]  ? gfs2_quota_sync+0x359/0x460
[  144.893944][ T6297]  ? __pfx_do_sync+0x10/0x10
[  144.893989][ T6297]  ? gfs2_quota_sync+0x359/0x460
[  144.894021][ T6297]  ? do_raw_spin_unlock+0x122/0x240
[  144.894051][ T6297]  gfs2_quota_sync+0x359/0x460
[  144.894091][ T6297]  gfs2_sync_fs+0x4c/0xb0
[  144.894126][ T6297]  sync_filesystem+0xee/0x230
[  144.894152][ T6297]  gfs2_reconfigure+0xbb/0xb20
[  144.894186][ T6297]  ? _raw_spin_unlock+0x28/0x50
[  144.894214][ T6297]  ? sb_prepare_remount_readonly+0x471/0x4b0
[  144.894249][ T6297]  reconfigure_super+0x227/0x890
[  144.894287][ T6297]  path_mount+0xd29/0xff0
[  144.894315][ T6297]  ? kmem_cache_free+0x197/0x640
[  144.894355][ T6297]  __se_sys_mount+0x313/0x410
[  144.894394][ T6297]  ? __pfx___se_sys_mount+0x10/0x10
[  144.894430][ T6297]  ? do_syscall_64+0xbe/0xfa0
[  144.894449][ T6297]  ? __x64_sys_mount+0x20/0xc0
[  144.894483][ T6297]  do_syscall_64+0xfa/0xfa0
[  144.894506][ T6297]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  144.894528][ T6297]  ? clear_bhb_loop+0x60/0xb0
[  144.894555][ T6297]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  144.894576][ T6297] RIP: 0033:0x7f6fe2390eea
[  144.894596][ T6297] 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
[  144.894615][ T6297] RSP: 002b:00007f6fe32c5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  144.894637][ T6297] RAX: ffffffffffffffda RBX: 00007f6fe32c5ef0 RCX: 00007f6fe2390eea
[  144.894653][ T6297] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[  144.894667][ T6297] RBP: 00002000000003c0 R08: 00007f6fe32c5ef0 R09: 000000000126a4b5
[  144.894683][ T6297] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[  144.894697][ T6297] R13: 00007f6fe32c5eb0 R14: 0000000000000000 R15: 0000200000004140
[  144.894733][ T6297]  </TASK>
[  144.894742][ T6297] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  145.214274][ T6309] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  145.260298][ T6130] gfs2: fsid=syz:syz.0: file system withdrawn
[  145.277032][ T6309] CPU: 1 UID: 0 PID: 6309 Comm: syz.3.63 Not tainted syzkaller #0 PREEMPT(full) 
[  145.277060][ T6309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  145.277074][ T6309] Call Trace:
[  145.277082][ T6309]  <TASK>
[  145.277092][ T6309]  dump_stack_lvl+0x189/0x250
[  145.277135][ T6309]  ? __pfx_dump_stack_lvl+0x10/0x10
[  145.277168][ T6309]  ? __pfx__printk+0x10/0x10
[  145.277201][ T6309]  ? kernfs_path_from_node+0x250/0x290
[  145.277226][ T6309]  ? kernfs_path_from_node+0x2f/0x290
[  145.277256][ T6309]  sysfs_create_dir_ns+0x259/0x280
[  145.277286][ T6309]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  145.277314][ T6309]  ? do_raw_spin_unlock+0x122/0x240
[  145.277343][ T6309]  kobject_add_internal+0x59f/0xb70
[  145.277381][ T6309]  kobject_init_and_add+0x125/0x190
[  145.277412][ T6309]  ? __pfx_kobject_init_and_add+0x10/0x10
[  145.277439][ T6309]  ? __raw_spin_lock_init+0x45/0x100
[  145.277466][ T6309]  ? __init_swait_queue_head+0xa9/0x150
[  145.277494][ T6309]  gfs2_sys_fs_add+0x234/0x450
[  145.277524][ T6309]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  145.277560][ T6309]  ? is_dynamic_key+0xd6/0x1c0
[  145.277588][ T6309]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  145.277626][ T6309]  gfs2_fill_super+0x1388/0x21b0
[  145.277679][ T6309]  ? __pfx_gfs2_fill_super+0x10/0x10
[  145.277719][ T6309]  ? sb_set_blocksize+0x155/0x240
[  145.277747][ T6309]  ? setup_bdev_super+0x4c1/0x5b0
[  145.277778][ T6309]  get_tree_bdev_flags+0x40e/0x4d0
[  145.277804][ T6309]  ? __pfx_gfs2_fill_super+0x10/0x10
[  145.277847][ T6309]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  145.277871][ T6309]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  145.277905][ T6309]  gfs2_get_tree+0x51/0x1e0
[  145.277942][ T6309]  vfs_get_tree+0x92/0x2b0
[  145.277972][ T6309]  do_new_mount+0x302/0xa10
[  145.277999][ T6309]  ? apparmor_capable+0x137/0x1b0
[  145.278035][ T6309]  ? __pfx_do_new_mount+0x10/0x10
[  145.278066][ T6309]  ? ns_capable+0x8a/0xf0
[  145.278098][ T6309]  ? kmem_cache_free+0x197/0x640
[  145.278137][ T6309]  __se_sys_mount+0x313/0x410
[  145.278175][ T6309]  ? __pfx___se_sys_mount+0x10/0x10
[  145.278211][ T6309]  ? do_syscall_64+0xbe/0xfa0
[  145.278230][ T6309]  ? __x64_sys_mount+0x20/0xc0
[  145.278264][ T6309]  do_syscall_64+0xfa/0xfa0
[  145.278286][ T6309]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  145.278308][ T6309]  ? clear_bhb_loop+0x60/0xb0
[  145.278335][ T6309]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  145.278356][ T6309] RIP: 0033:0x7fde8d990eea
[  145.278376][ T6309] 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
[  145.278396][ T6309] RSP: 002b:00007fde8e8cee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  145.278420][ T6309] RAX: ffffffffffffffda RBX: 00007fde8e8ceef0 RCX: 00007fde8d990eea
[  145.278436][ T6309] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde8e8ceeb0
[  145.278452][ T6309] RBP: 00002000000124c0 R08: 00007fde8e8ceef0 R09: 0000000000000000
[  145.278467][ T6309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  145.278481][ T6309] R13: 00007fde8e8ceeb0 R14: 00000000000125c7 R15: 0000200000000180
[  145.278516][ T6309]  </TASK>
[  145.278544][ T6309] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  145.613126][ T6309] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/24 04:20:31 executed programs: 61
[  146.457511][ T6318] loop0: detected capacity change from 0 to 32768
[  146.497064][ T6318] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  146.515605][ T6314] loop4: detected capacity change from 0 to 32768
[  146.527269][ T6318] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  146.571501][ T6318] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  146.580195][ T6314] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  146.594836][ T6314] CPU: 1 UID: 0 PID: 6314 Comm: syz.4.64 Not tainted syzkaller #0 PREEMPT(full) 
[  146.594866][ T6314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  146.594879][ T6314] Call Trace:
[  146.594887][ T6314]  <TASK>
[  146.594897][ T6314]  dump_stack_lvl+0x189/0x250
[  146.594934][ T6314]  ? __pfx_dump_stack_lvl+0x10/0x10
[  146.594969][ T6314]  ? __pfx__printk+0x10/0x10
[  146.595001][ T6314]  ? kernfs_path_from_node+0x250/0x290
[  146.595027][ T6314]  ? kernfs_path_from_node+0x2f/0x290
[  146.595056][ T6314]  sysfs_create_dir_ns+0x259/0x280
[  146.595085][ T6314]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  146.595113][ T6314]  ? do_raw_spin_unlock+0x122/0x240
[  146.595141][ T6314]  kobject_add_internal+0x59f/0xb70
[  146.595176][ T6314]  kobject_init_and_add+0x125/0x190
[  146.595207][ T6314]  ? __pfx_kobject_init_and_add+0x10/0x10
[  146.595232][ T6314]  ? __raw_spin_lock_init+0x45/0x100
[  146.595257][ T6314]  ? __init_swait_queue_head+0xa9/0x150
[  146.595283][ T6314]  gfs2_sys_fs_add+0x234/0x450
[  146.595312][ T6314]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  146.595347][ T6314]  ? is_dynamic_key+0xd6/0x1c0
[  146.595375][ T6314]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  146.595413][ T6314]  gfs2_fill_super+0x1388/0x21b0
[  146.595464][ T6314]  ? __pfx_gfs2_fill_super+0x10/0x10
[  146.595502][ T6314]  ? sb_set_blocksize+0x155/0x240
[  146.595528][ T6314]  ? setup_bdev_super+0x4c1/0x5b0
[  146.595558][ T6314]  get_tree_bdev_flags+0x40e/0x4d0
[  146.595583][ T6314]  ? __pfx_gfs2_fill_super+0x10/0x10
[  146.595616][ T6314]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  146.595638][ T6314]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  146.595680][ T6314]  gfs2_get_tree+0x51/0x1e0
[  146.595717][ T6314]  vfs_get_tree+0x92/0x2b0
[  146.595744][ T6314]  do_new_mount+0x302/0xa10
[  146.595772][ T6314]  ? apparmor_capable+0x137/0x1b0
[  146.595806][ T6314]  ? __pfx_do_new_mount+0x10/0x10
[  146.595836][ T6314]  ? ns_capable+0x8a/0xf0
[  146.595867][ T6314]  ? kmem_cache_free+0x197/0x640
[  146.595905][ T6314]  __se_sys_mount+0x313/0x410
[  146.595943][ T6314]  ? __pfx___se_sys_mount+0x10/0x10
[  146.595978][ T6314]  ? do_syscall_64+0xbe/0xfa0
[  146.595998][ T6314]  ? __x64_sys_mount+0x20/0xc0
[  146.596030][ T6314]  do_syscall_64+0xfa/0xfa0
[  146.596051][ T6314]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  146.596073][ T6314]  ? clear_bhb_loop+0x60/0xb0
[  146.596099][ T6314]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  146.596120][ T6314] RIP: 0033:0x7f9a6a590eea
[  146.596139][ T6314] 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
[  146.596158][ T6314] RSP: 002b:00007f9a6b438e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  146.596182][ T6314] RAX: ffffffffffffffda RBX: 00007f9a6b438ef0 RCX: 00007f9a6a590eea
[  146.596197][ T6314] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f9a6b438eb0
[  146.596212][ T6314] RBP: 00002000000124c0 R08: 00007f9a6b438ef0 R09: 0000000000000000
[  146.596226][ T6314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  146.596239][ T6314] R13: 00007f9a6b438eb0 R14: 00000000000125c7 R15: 0000200000000180
[  146.596275][ T6314]  </TASK>
[  146.596448][ T6314] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  146.753711][ T6130] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  146.932393][ T6130] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  146.961316][ T6314] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  146.986267][ T6130] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 53ms
[  146.995069][ T6130] gfs2: fsid=syz:syz.0: jid=0: Done
[  147.000357][ T6318] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  147.223187][ T6323] loop1: detected capacity change from 0 to 32768
[  147.292467][ T6323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  147.343261][ T6323] CPU: 1 UID: 0 PID: 6323 Comm: syz.1.66 Not tainted syzkaller #0 PREEMPT(full) 
[  147.343292][ T6323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  147.343305][ T6323] Call Trace:
[  147.343314][ T6323]  <TASK>
[  147.343323][ T6323]  dump_stack_lvl+0x189/0x250
[  147.343364][ T6323]  ? __pfx_dump_stack_lvl+0x10/0x10
[  147.343396][ T6323]  ? __pfx__printk+0x10/0x10
[  147.343428][ T6323]  ? kernfs_path_from_node+0x250/0x290
[  147.343455][ T6323]  ? kernfs_path_from_node+0x2f/0x290
[  147.343485][ T6323]  sysfs_create_dir_ns+0x259/0x280
[  147.343515][ T6323]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  147.343544][ T6323]  ? do_raw_spin_unlock+0x122/0x240
[  147.343582][ T6323]  kobject_add_internal+0x59f/0xb70
[  147.343619][ T6323]  kobject_init_and_add+0x125/0x190
[  147.343650][ T6323]  ? __pfx_kobject_init_and_add+0x10/0x10
[  147.343676][ T6323]  ? __raw_spin_lock_init+0x45/0x100
[  147.343702][ T6323]  ? __init_swait_queue_head+0xa9/0x150
[  147.343728][ T6323]  gfs2_sys_fs_add+0x234/0x450
[  147.343758][ T6323]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  147.343793][ T6323]  ? is_dynamic_key+0xd6/0x1c0
[  147.343819][ T6323]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  147.343858][ T6323]  gfs2_fill_super+0x1388/0x21b0
[  147.343910][ T6323]  ? __pfx_gfs2_fill_super+0x10/0x10
[  147.343949][ T6323]  ? sb_set_blocksize+0x155/0x240
[  147.343976][ T6323]  ? setup_bdev_super+0x4c1/0x5b0
[  147.344013][ T6323]  get_tree_bdev_flags+0x40e/0x4d0
[  147.344039][ T6323]  ? __pfx_gfs2_fill_super+0x10/0x10
[  147.344073][ T6323]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  147.344096][ T6323]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  147.344129][ T6323]  gfs2_get_tree+0x51/0x1e0
[  147.344166][ T6323]  vfs_get_tree+0x92/0x2b0
[  147.344193][ T6323]  do_new_mount+0x302/0xa10
[  147.344222][ T6323]  ? apparmor_capable+0x137/0x1b0
[  147.344257][ T6323]  ? __pfx_do_new_mount+0x10/0x10
[  147.344287][ T6323]  ? ns_capable+0x8a/0xf0
[  147.344318][ T6323]  ? kmem_cache_free+0x197/0x640
[  147.344358][ T6323]  __se_sys_mount+0x313/0x410
[  147.344396][ T6323]  ? __pfx___se_sys_mount+0x10/0x10
[  147.344433][ T6323]  ? do_syscall_64+0xbe/0xfa0
[  147.344452][ T6323]  ? __x64_sys_mount+0x20/0xc0
[  147.344486][ T6323]  do_syscall_64+0xfa/0xfa0
[  147.344507][ T6323]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  147.344529][ T6323]  ? clear_bhb_loop+0x60/0xb0
[  147.344555][ T6323]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  147.344582][ T6323] RIP: 0033:0x7fa3e8790eea
[  147.344602][ T6323] 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
[  147.344621][ T6323] RSP: 002b:00007fa3e9570e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  147.344644][ T6323] RAX: ffffffffffffffda RBX: 00007fa3e9570ef0 RCX: 00007fa3e8790eea
[  147.344659][ T6323] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fa3e9570eb0
[  147.344674][ T6323] RBP: 00002000000124c0 R08: 00007fa3e9570ef0 R09: 0000000000000000
[  147.344689][ T6323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  147.344702][ T6323] R13: 00007fa3e9570eb0 R14: 00000000000125c7 R15: 0000200000000180
[  147.344738][ T6323]  </TASK>
[  147.344765][ T6323] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  147.590026][ T6318] gfs2: fsid=syz:syz.0: found 1 quota changes
[  147.679070][ T6323] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  147.774289][ T6325] loop3: detected capacity change from 0 to 32768
[  147.870282][ T5956] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[  147.885263][ T6325] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  147.915972][ T6325] CPU: 1 UID: 0 PID: 6325 Comm: syz.3.68 Not tainted syzkaller #0 PREEMPT(full) 
[  147.916002][ T6325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  147.916015][ T6325] Call Trace:
[  147.916024][ T6325]  <TASK>
[  147.916033][ T6325]  dump_stack_lvl+0x189/0x250
[  147.916075][ T6325]  ? __pfx_dump_stack_lvl+0x10/0x10
[  147.916107][ T6325]  ? __pfx__printk+0x10/0x10
[  147.916139][ T6325]  ? kernfs_path_from_node+0x250/0x290
[  147.916165][ T6325]  ? kernfs_path_from_node+0x2f/0x290
[  147.916196][ T6325]  sysfs_create_dir_ns+0x259/0x280
[  147.916225][ T6325]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  147.916253][ T6325]  ? do_raw_spin_unlock+0x122/0x240
[  147.916284][ T6325]  kobject_add_internal+0x59f/0xb70
[  147.916319][ T6325]  kobject_init_and_add+0x125/0x190
[  147.916350][ T6325]  ? __pfx_kobject_init_and_add+0x10/0x10
[  147.916376][ T6325]  ? __raw_spin_lock_init+0x45/0x100
[  147.916401][ T6325]  ? __init_swait_queue_head+0xa9/0x150
[  147.916429][ T6325]  gfs2_sys_fs_add+0x234/0x450
[  147.916459][ T6325]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  147.916493][ T6325]  ? is_dynamic_key+0xd6/0x1c0
[  147.916532][ T6325]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  147.916571][ T6325]  gfs2_fill_super+0x1388/0x21b0
[  147.916622][ T6325]  ? __pfx_gfs2_fill_super+0x10/0x10
[  147.916661][ T6325]  ? sb_set_blocksize+0x155/0x240
[  147.916688][ T6325]  ? setup_bdev_super+0x4c1/0x5b0
[  147.916718][ T6325]  get_tree_bdev_flags+0x40e/0x4d0
[  147.916744][ T6325]  ? __pfx_gfs2_fill_super+0x10/0x10
[  147.916778][ T6325]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  147.916801][ T6325]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  147.916835][ T6325]  gfs2_get_tree+0x51/0x1e0
[  147.916872][ T6325]  vfs_get_tree+0x92/0x2b0
[  147.916901][ T6325]  do_new_mount+0x302/0xa10
[  147.916928][ T6325]  ? apparmor_capable+0x137/0x1b0
[  147.916962][ T6325]  ? __pfx_do_new_mount+0x10/0x10
[  147.916992][ T6325]  ? ns_capable+0x8a/0xf0
[  147.917023][ T6325]  ? kmem_cache_free+0x197/0x640
[  147.917061][ T6325]  __se_sys_mount+0x313/0x410
[  147.917100][ T6325]  ? __pfx___se_sys_mount+0x10/0x10
[  147.917137][ T6325]  ? do_syscall_64+0xbe/0xfa0
[  147.917155][ T6325]  ? __x64_sys_mount+0x20/0xc0
[  147.917188][ T6325]  do_syscall_64+0xfa/0xfa0
[  147.917210][ T6325]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  147.917232][ T6325]  ? clear_bhb_loop+0x60/0xb0
[  147.917258][ T6325]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  147.917279][ T6325] RIP: 0033:0x7fde8d990eea
[  147.917297][ T6325] 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
[  147.917317][ T6325] RSP: 002b:00007fde8e8cee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  147.917341][ T6325] RAX: ffffffffffffffda RBX: 00007fde8e8ceef0 RCX: 00007fde8d990eea
[  147.917357][ T6325] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde8e8ceeb0
[  147.917372][ T6325] RBP: 00002000000124c0 R08: 00007fde8e8ceef0 R09: 0000000000000000
[  147.917386][ T6325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  147.917399][ T6325] R13: 00007fde8e8ceeb0 R14: 00000000000125c7 R15: 0000200000000180
[  147.917432][ T6325]  </TASK>
[  147.917460][ T6325] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  147.936469][ T5956] gfs2: fsid=syz:syz.0: G:  s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[  147.980545][ T5956] gfs2: fsid=syz:syz.0:  H: s:EX f:H e:0 p:5956 [syz-executor] gfs2_quota_sync+0x359/0x460
[  147.992965][ T6325] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  148.038239][ T5956] gfs2: fsid=syz:syz.0:  I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[  148.159843][ T6327] loop2: detected capacity change from 0 to 32768
[  148.313970][ T5956] CPU: 1 UID: 0 PID: 5956 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  148.314001][ T5956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  148.314015][ T5956] Call Trace:
[  148.314023][ T5956]  <TASK>
[  148.314033][ T5956]  dump_stack_lvl+0x189/0x250
[  148.314075][ T5956]  ? __pfx_dump_stack_lvl+0x10/0x10
[  148.314109][ T5956]  ? queue_delayed_work_on+0x11a/0x280
[  148.314141][ T5956]  ? lockdep_hardirqs_on+0x9c/0x150
[  148.314163][ T5956]  ? preempt_schedule+0xae/0xc0
[  148.314205][ T5956]  gfs2_withdraw+0xc3/0x1b0
[  148.314240][ T5956]  inode_go_instantiate+0xdd0/0x1210
[  148.314284][ T5956]  ? __pfx_inode_go_instantiate+0x10/0x10
[  148.314320][ T5956]  ? gfs2_glock_nq+0xedd/0x15f0
[  148.314349][ T5956]  gfs2_instantiate+0x168/0x220
[  148.314387][ T5956]  gfs2_glock_wait+0x1d4/0x2a0
[  148.314413][ T5956]  do_sync+0x46f/0xc60
[  148.314438][ T5956]  ? _raw_spin_unlock+0x28/0x50
[  148.314468][ T5956]  ? gfs2_quota_sync+0x359/0x460
[  148.314504][ T5956]  ? __pfx_do_sync+0x10/0x10
[  148.314535][ T5956]  ? gfs2_quota_sync+0x359/0x460
[  148.314563][ T5956]  ? do_raw_spin_unlock+0x122/0x240
[  148.314593][ T5956]  gfs2_quota_sync+0x359/0x460
[  148.314633][ T5956]  gfs2_sync_fs+0x4c/0xb0
[  148.314659][ T5956]  sync_filesystem+0xee/0x230
[  148.314683][ T5956]  generic_shutdown_super+0x6f/0x2c0
[  148.314710][ T5956]  kill_block_super+0x44/0x90
[  148.314737][ T5956]  deactivate_locked_super+0xbc/0x130
[  148.314769][ T5956]  cleanup_mnt+0x425/0x4c0
[  148.314791][ T5956]  ? lockdep_hardirqs_on+0x9c/0x150
[  148.314815][ T5956]  task_work_run+0x1d4/0x260
[  148.314843][ T5956]  ? __pfx_task_work_run+0x10/0x10
[  148.314872][ T5956]  ? exit_to_user_mode_loop+0x55/0x4f0
[  148.314904][ T5956]  exit_to_user_mode_loop+0xff/0x4f0
[  148.314933][ T5956]  ? rcu_is_watching+0x15/0xb0
[  148.314959][ T5956]  do_syscall_64+0x2e9/0xfa0
[  148.314982][ T5956]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  148.315004][ T5956]  ? clear_bhb_loop+0x60/0xb0
[  148.315030][ T5956]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  148.315051][ T5956] RIP: 0033:0x7fbe2bd90a77
[  148.315071][ T5956] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  148.315090][ T5956] RSP: 002b:00007fffc50f52f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  148.315112][ T5956] RAX: 0000000000000000 RBX: 00007fbe2be13d7d RCX: 00007fbe2bd90a77
[  148.315127][ T5956] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffc50f53b0
[  148.315141][ T5956] RBP: 00007fffc50f53b0 R08: 0000000000000000 R09: 0000000000000000
[  148.315154][ T5956] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffc50f6440
[  148.315167][ T5956] R13: 00007fbe2be13d7d R14: 0000000000023518 R15: 00007fffc50f6480
[  148.315204][ T5956]  </TASK>
[  148.315212][ T5956] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  148.627080][ T6327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  148.692998][ T6327] CPU: 0 UID: 0 PID: 6327 Comm: syz.2.67 Not tainted syzkaller #0 PREEMPT(full) 
[  148.693028][ T6327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  148.693042][ T6327] Call Trace:
[  148.693051][ T6327]  <TASK>
[  148.693061][ T6327]  dump_stack_lvl+0x189/0x250
[  148.693101][ T6327]  ? __pfx_dump_stack_lvl+0x10/0x10
[  148.693131][ T6327]  ? __pfx__printk+0x10/0x10
[  148.693163][ T6327]  ? kernfs_path_from_node+0x250/0x290
[  148.693189][ T6327]  ? kernfs_path_from_node+0x2f/0x290
[  148.693220][ T6327]  sysfs_create_dir_ns+0x259/0x280
[  148.693249][ T6327]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  148.693277][ T6327]  ? do_raw_spin_unlock+0x122/0x240
[  148.693307][ T6327]  kobject_add_internal+0x59f/0xb70
[  148.693343][ T6327]  kobject_init_and_add+0x125/0x190
[  148.693374][ T6327]  ? __pfx_kobject_init_and_add+0x10/0x10
[  148.693400][ T6327]  ? __raw_spin_lock_init+0x45/0x100
[  148.693426][ T6327]  ? __init_swait_queue_head+0xa9/0x150
[  148.693454][ T6327]  gfs2_sys_fs_add+0x234/0x450
[  148.693485][ T6327]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  148.693519][ T6327]  ? is_dynamic_key+0xd6/0x1c0
[  148.693556][ T6327]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  148.693594][ T6327]  gfs2_fill_super+0x1388/0x21b0
[  148.693646][ T6327]  ? __pfx_gfs2_fill_super+0x10/0x10
[  148.693686][ T6327]  ? sb_set_blocksize+0x155/0x240
[  148.693711][ T6327]  ? setup_bdev_super+0x4c1/0x5b0
[  148.693742][ T6327]  get_tree_bdev_flags+0x40e/0x4d0
[  148.693768][ T6327]  ? __pfx_gfs2_fill_super+0x10/0x10
[  148.693802][ T6327]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  148.693825][ T6327]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  148.693859][ T6327]  gfs2_get_tree+0x51/0x1e0
[  148.693897][ T6327]  vfs_get_tree+0x92/0x2b0
[  148.693925][ T6327]  do_new_mount+0x302/0xa10
[  148.693953][ T6327]  ? apparmor_capable+0x137/0x1b0
[  148.693987][ T6327]  ? __pfx_do_new_mount+0x10/0x10
[  148.694017][ T6327]  ? ns_capable+0x8a/0xf0
[  148.694049][ T6327]  ? kmem_cache_free+0x197/0x640
[  148.694087][ T6327]  __se_sys_mount+0x313/0x410
[  148.694125][ T6327]  ? __pfx___se_sys_mount+0x10/0x10
[  148.694160][ T6327]  ? do_syscall_64+0xbe/0xfa0
[  148.694178][ T6327]  ? __x64_sys_mount+0x20/0xc0
[  148.694211][ T6327]  do_syscall_64+0xfa/0xfa0
[  148.694233][ T6327]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  148.694254][ T6327]  ? clear_bhb_loop+0x60/0xb0
[  148.694280][ T6327]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  148.694301][ T6327] RIP: 0033:0x7f6fe2390eea
[  148.694321][ T6327] 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
[  148.694340][ T6327] RSP: 002b:00007f6fe32c5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  148.694362][ T6327] RAX: ffffffffffffffda RBX: 00007f6fe32c5ef0 RCX: 00007f6fe2390eea
[  148.694378][ T6327] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f6fe32c5eb0
[  148.694392][ T6327] RBP: 00002000000124c0 R08: 00007f6fe32c5ef0 R09: 0000000000000000
[  148.694406][ T6327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  148.694420][ T6327] R13: 00007f6fe32c5eb0 R14: 00000000000125c7 R15: 0000200000000180
[  148.694455][ T6327]  </TASK>
[  148.694483][ T6327] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  149.043514][ T6327] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  149.549316][ T6335] loop4: detected capacity change from 0 to 32768
[  149.588726][ T6335] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  149.653172][ T6335] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  149.683879][ T6335] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  149.783034][ T6202] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  149.789873][ T6202] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  149.904142][ T6202] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 114ms
[  149.927972][ T6202] gfs2: fsid=syz:syz.0: jid=0: Done
[  149.942074][ T6335] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  150.087606][ T6335] gfs2: fsid=syz:syz.0: found 1 quota changes
[  150.109686][ T6335] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[  150.154364][ T6335] gfs2: fsid=syz:syz.0: G:  s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[  150.172923][ T6335] gfs2: fsid=syz:syz.0:  H: s:EX f:H e:0 p:6335 [syz.4.69] gfs2_quota_sync+0x359/0x460
[  150.192987][ T6335] gfs2: fsid=syz:syz.0:  I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[  150.201381][ T6335] CPU: 0 UID: 0 PID: 6335 Comm: syz.4.69 Not tainted syzkaller #0 PREEMPT(full) 
[  150.201409][ T6335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  150.201424][ T6335] Call Trace:
[  150.201432][ T6335]  <TASK>
[  150.201441][ T6335]  dump_stack_lvl+0x189/0x250
[  150.201484][ T6335]  ? __pfx_dump_stack_lvl+0x10/0x10
[  150.201518][ T6335]  ? queue_delayed_work_on+0x11a/0x280
[  150.201551][ T6335]  ? lockdep_hardirqs_on+0x9c/0x150
[  150.201572][ T6335]  ? preempt_schedule+0xae/0xc0
[  150.201614][ T6335]  gfs2_withdraw+0xc3/0x1b0
[  150.201650][ T6335]  inode_go_instantiate+0xdd0/0x1210
[  150.201694][ T6335]  ? __pfx_inode_go_instantiate+0x10/0x10
[  150.201732][ T6335]  ? gfs2_glock_nq+0xedd/0x15f0
[  150.201761][ T6335]  gfs2_instantiate+0x168/0x220
[  150.201799][ T6335]  gfs2_glock_wait+0x1d4/0x2a0
[  150.201825][ T6335]  do_sync+0x46f/0xc60
[  150.201851][ T6335]  ? _raw_spin_unlock+0x28/0x50
[  150.201880][ T6335]  ? gfs2_quota_sync+0x359/0x460
[  150.201919][ T6335]  ? __pfx_do_sync+0x10/0x10
[  150.201957][ T6335]  ? gfs2_quota_sync+0x359/0x460
[  150.201988][ T6335]  ? do_raw_spin_unlock+0x122/0x240
[  150.202019][ T6335]  gfs2_quota_sync+0x359/0x460
[  150.202059][ T6335]  gfs2_sync_fs+0x4c/0xb0
[  150.202086][ T6335]  sync_filesystem+0xee/0x230
[  150.202111][ T6335]  gfs2_reconfigure+0xbb/0xb20
[  150.202144][ T6335]  ? _raw_spin_unlock+0x28/0x50
[  150.202173][ T6335]  ? sb_prepare_remount_readonly+0x471/0x4b0
[  150.202210][ T6335]  reconfigure_super+0x227/0x890
[  150.202244][ T6335]  path_mount+0xd29/0xff0
[  150.202273][ T6335]  ? kmem_cache_free+0x197/0x640
[  150.202313][ T6335]  __se_sys_mount+0x313/0x410
[  150.202363][ T6335]  ? __pfx___se_sys_mount+0x10/0x10
[  150.202400][ T6335]  ? do_syscall_64+0xbe/0xfa0
[  150.202419][ T6335]  ? __x64_sys_mount+0x20/0xc0
[  150.202453][ T6335]  do_syscall_64+0xfa/0xfa0
[  150.202475][ T6335]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  150.202496][ T6335]  ? clear_bhb_loop+0x60/0xb0
[  150.202523][ T6335]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  150.202544][ T6335] RIP: 0033:0x7f9a6a590eea
[  150.202564][ T6335] 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
[  150.202584][ T6335] RSP: 002b:00007f9a6b438e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  150.202606][ T6335] RAX: ffffffffffffffda RBX: 00007f9a6b438ef0 RCX: 00007f9a6a590eea
[  150.202622][ T6335] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[  150.202637][ T6335] RBP: 00002000000003c0 R08: 00007f9a6b438ef0 R09: 000000000126a4b5
[  150.202651][ T6335] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[  150.202665][ T6335] R13: 00007f9a6b438eb0 R14: 0000000000000000 R15: 0000200000004140
[  150.202702][ T6335]  </TASK>
[  150.202711][ T6335] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  150.427369][ T6339] loop1: detected capacity change from 0 to 32768
[  150.452183][ T6130] gfs2: fsid=syz:syz.0: file system withdrawn
[  150.549887][ T6339] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  150.619430][ T6339] CPU: 0 UID: 0 PID: 6339 Comm: syz.1.70 Not tainted syzkaller #0 PREEMPT(full) 
[  150.619461][ T6339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  150.619474][ T6339] Call Trace:
[  150.619483][ T6339]  <TASK>
[  150.619493][ T6339]  dump_stack_lvl+0x189/0x250
[  150.619534][ T6339]  ? __pfx_dump_stack_lvl+0x10/0x10
[  150.619568][ T6339]  ? __pfx__printk+0x10/0x10
[  150.619600][ T6339]  ? kernfs_path_from_node+0x250/0x290
[  150.619626][ T6339]  ? kernfs_path_from_node+0x2f/0x290
[  150.619657][ T6339]  sysfs_create_dir_ns+0x259/0x280
[  150.619688][ T6339]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  150.619715][ T6339]  ? do_raw_spin_unlock+0x122/0x240
[  150.619746][ T6339]  kobject_add_internal+0x59f/0xb70
[  150.619781][ T6339]  kobject_init_and_add+0x125/0x190
[  150.619813][ T6339]  ? __pfx_kobject_init_and_add+0x10/0x10
[  150.619839][ T6339]  ? __raw_spin_lock_init+0x45/0x100
[  150.619864][ T6339]  ? __init_swait_queue_head+0xa9/0x150
[  150.619893][ T6339]  gfs2_sys_fs_add+0x234/0x450
[  150.619924][ T6339]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  150.619959][ T6339]  ? is_dynamic_key+0xd6/0x1c0
[  150.619986][ T6339]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  150.620025][ T6339]  gfs2_fill_super+0x1388/0x21b0
[  150.620077][ T6339]  ? __pfx_gfs2_fill_super+0x10/0x10
[  150.620117][ T6339]  ? sb_set_blocksize+0x155/0x240
[  150.620144][ T6339]  ? setup_bdev_super+0x4c1/0x5b0
[  150.620174][ T6339]  get_tree_bdev_flags+0x40e/0x4d0
[  150.620200][ T6339]  ? __pfx_gfs2_fill_super+0x10/0x10
[  150.620234][ T6339]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  150.620258][ T6339]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  150.620292][ T6339]  gfs2_get_tree+0x51/0x1e0
[  150.620337][ T6339]  vfs_get_tree+0x92/0x2b0
[  150.620366][ T6339]  do_new_mount+0x302/0xa10
[  150.620395][ T6339]  ? apparmor_capable+0x137/0x1b0
[  150.620430][ T6339]  ? __pfx_do_new_mount+0x10/0x10
[  150.620461][ T6339]  ? ns_capable+0x8a/0xf0
[  150.620493][ T6339]  ? kmem_cache_free+0x197/0x640
[  150.620532][ T6339]  __se_sys_mount+0x313/0x410
[  150.620570][ T6339]  ? __pfx___se_sys_mount+0x10/0x10
[  150.620606][ T6339]  ? do_syscall_64+0xbe/0xfa0
[  150.620625][ T6339]  ? __x64_sys_mount+0x20/0xc0
[  150.620658][ T6339]  do_syscall_64+0xfa/0xfa0
[  150.620680][ T6339]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  150.620702][ T6339]  ? clear_bhb_loop+0x60/0xb0
[  150.620728][ T6339]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  150.620749][ T6339] RIP: 0033:0x7fa3e8790eea
[  150.620769][ T6339] 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
[  150.620788][ T6339] RSP: 002b:00007fa3e9570e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  150.620811][ T6339] RAX: ffffffffffffffda RBX: 00007fa3e9570ef0 RCX: 00007fa3e8790eea
[  150.620827][ T6339] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fa3e9570eb0
[  150.620841][ T6339] RBP: 00002000000124c0 R08: 00007fa3e9570ef0 R09: 0000000000000000
[  150.620855][ T6339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  150.620868][ T6339] R13: 00007fa3e9570eb0 R14: 00000000000125c7 R15: 0000200000000180
[  150.620901][ T6339]  </TASK>
[  150.620930][ T6339] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  150.790412][ T6345] loop2: detected capacity change from 0 to 32768
[  150.883090][ T6339] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/24 04:20:36 executed programs: 68
[  151.034166][ T6345] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  151.042372][ T6345] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  151.150274][ T6347] loop3: detected capacity change from 0 to 32768
[  151.159361][ T6349] loop0: detected capacity change from 0 to 32768
[  151.176934][ T6345] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  151.190435][ T6347] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  151.200602][ T6130] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  151.210349][ T6349] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  151.218132][ T6130] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  151.225457][ T6347] CPU: 0 UID: 0 PID: 6347 Comm: syz.3.73 Not tainted syzkaller #0 PREEMPT(full) 
[  151.225484][ T6347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  151.225496][ T6347] Call Trace:
[  151.225505][ T6347]  <TASK>
[  151.225514][ T6347]  dump_stack_lvl+0x189/0x250
[  151.225555][ T6347]  ? __pfx_dump_stack_lvl+0x10/0x10
[  151.225588][ T6347]  ? __pfx__printk+0x10/0x10
[  151.225618][ T6347]  ? kernfs_path_from_node+0x250/0x290
[  151.225644][ T6347]  ? kernfs_path_from_node+0x2f/0x290
[  151.225675][ T6347]  sysfs_create_dir_ns+0x259/0x280
[  151.225705][ T6347]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  151.225733][ T6347]  ? do_raw_spin_unlock+0x122/0x240
[  151.225762][ T6347]  kobject_add_internal+0x59f/0xb70
[  151.225795][ T6347]  kobject_init_and_add+0x125/0x190
[  151.225832][ T6347]  ? __pfx_kobject_init_and_add+0x10/0x10
[  151.225858][ T6347]  ? __raw_spin_lock_init+0x45/0x100
[  151.225883][ T6347]  ? __init_swait_queue_head+0xa9/0x150
[  151.225909][ T6347]  gfs2_sys_fs_add+0x234/0x450
[  151.225939][ T6347]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  151.225973][ T6347]  ? is_dynamic_key+0xd6/0x1c0
[  151.226001][ T6347]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  151.226043][ T6347]  gfs2_fill_super+0x1388/0x21b0
[  151.226096][ T6347]  ? __pfx_gfs2_fill_super+0x10/0x10
[  151.226135][ T6347]  ? sb_set_blocksize+0x155/0x240
[  151.226162][ T6347]  ? setup_bdev_super+0x4c1/0x5b0
[  151.226191][ T6347]  get_tree_bdev_flags+0x40e/0x4d0
[  151.226218][ T6347]  ? __pfx_gfs2_fill_super+0x10/0x10
[  151.226252][ T6347]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  151.226284][ T6347]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  151.226318][ T6347]  gfs2_get_tree+0x51/0x1e0
[  151.226356][ T6347]  vfs_get_tree+0x92/0x2b0
[  151.226385][ T6347]  do_new_mount+0x302/0xa10
[  151.226414][ T6347]  ? apparmor_capable+0x137/0x1b0
[  151.226446][ T6347]  ? __pfx_do_new_mount+0x10/0x10
[  151.226475][ T6347]  ? ns_capable+0x8a/0xf0
[  151.226507][ T6347]  ? kmem_cache_free+0x197/0x640
[  151.226544][ T6347]  __se_sys_mount+0x313/0x410
[  151.226582][ T6347]  ? __pfx___se_sys_mount+0x10/0x10
[  151.226617][ T6347]  ? do_syscall_64+0xbe/0xfa0
[  151.226637][ T6347]  ? __x64_sys_mount+0x20/0xc0
[  151.226669][ T6347]  do_syscall_64+0xfa/0xfa0
[  151.226692][ T6347]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  151.226712][ T6347]  ? clear_bhb_loop+0x60/0xb0
[  151.226739][ T6347]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  151.226760][ T6347] RIP: 0033:0x7fde8d990eea
[  151.226780][ T6347] 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
[  151.226799][ T6347] RSP: 002b:00007fde8e8cee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  151.226822][ T6347] RAX: ffffffffffffffda RBX: 00007fde8e8ceef0 RCX: 00007fde8d990eea
[  151.226838][ T6347] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde8e8ceeb0
[  151.226853][ T6347] RBP: 00002000000124c0 R08: 00007fde8e8ceef0 R09: 0000000000000000
[  151.226868][ T6347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  151.226881][ T6347] R13: 00007fde8e8ceeb0 R14: 00000000000125c7 R15: 0000200000000180
[  151.226916][ T6347]  </TASK>
[  151.227024][ T6347] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  151.273790][ T6349] CPU: 1 UID: 0 PID: 6349 Comm: syz.0.71 Not tainted syzkaller #0 PREEMPT(full) 
[  151.273825][ T6349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  151.273840][ T6349] Call Trace:
[  151.273849][ T6349]  <TASK>
[  151.273860][ T6349]  dump_stack_lvl+0x189/0x250
[  151.273906][ T6349]  ? __pfx_dump_stack_lvl+0x10/0x10
[  151.273944][ T6349]  ? __pfx__printk+0x10/0x10
[  151.273981][ T6349]  ? kernfs_path_from_node+0x250/0x290
[  151.274017][ T6349]  ? kernfs_path_from_node+0x2f/0x290
[  151.274053][ T6349]  sysfs_create_dir_ns+0x259/0x280
[  151.274087][ T6349]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  151.274118][ T6349]  ? do_raw_spin_unlock+0x122/0x240
[  151.274152][ T6349]  kobject_add_internal+0x59f/0xb70
[  151.274191][ T6349]  kobject_init_and_add+0x125/0x190
[  151.274226][ T6349]  ? __pfx_kobject_init_and_add+0x10/0x10
[  151.274255][ T6349]  ? __raw_spin_lock_init+0x45/0x100
[  151.274283][ T6349]  ? __init_swait_queue_head+0xa9/0x150
[  151.274313][ T6349]  gfs2_sys_fs_add+0x234/0x450
[  151.274349][ T6349]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  151.274389][ T6349]  ? is_dynamic_key+0xd6/0x1c0
[  151.274422][ T6349]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  151.274465][ T6349]  gfs2_fill_super+0x1388/0x21b0
[  151.274531][ T6349]  ? __pfx_gfs2_fill_super+0x10/0x10
[  151.274576][ T6349]  ? sb_set_blocksize+0x155/0x240
[  151.274605][ T6349]  ? setup_bdev_super+0x4c1/0x5b0
[  151.274640][ T6349]  get_tree_bdev_flags+0x40e/0x4d0
[  151.274668][ T6349]  ? __pfx_gfs2_fill_super+0x10/0x10
[  151.274707][ T6349]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  151.274733][ T6349]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  151.274770][ T6349]  gfs2_get_tree+0x51/0x1e0
[  151.274813][ T6349]  vfs_get_tree+0x92/0x2b0
[  151.274851][ T6349]  do_new_mount+0x302/0xa10
[  151.274882][ T6349]  ? apparmor_capable+0x137/0x1b0
[  151.274920][ T6349]  ? __pfx_do_new_mount+0x10/0x10
[  151.274955][ T6349]  ? ns_capable+0x8a/0xf0
[  151.274991][ T6349]  ? kmem_cache_free+0x197/0x640
[  151.275034][ T6349]  __se_sys_mount+0x313/0x410
[  151.275077][ T6349]  ? __pfx___se_sys_mount+0x10/0x10
[  151.275118][ T6349]  ? do_syscall_64+0xbe/0xfa0
[  151.275139][ T6349]  ? __x64_sys_mount+0x20/0xc0
[  151.275177][ T6349]  do_syscall_64+0xfa/0xfa0
[  151.275201][ T6349]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  151.275225][ T6349]  ? clear_bhb_loop+0x60/0xb0
[  151.275254][ T6349]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  151.275277][ T6349] RIP: 0033:0x7fbe2bd90eea
[  151.275298][ T6349] 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
[  151.275319][ T6349] RSP: 002b:00007fbe2cc8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  151.275345][ T6349] RAX: ffffffffffffffda RBX: 00007fbe2cc8cef0 RCX: 00007fbe2bd90eea
[  151.275363][ T6349] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbe2cc8ceb0
[  151.275380][ T6349] RBP: 00002000000124c0 R08: 00007fbe2cc8cef0 R09: 0000000000000000
[  151.275395][ T6349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  151.275411][ T6349] R13: 00007fbe2cc8ceb0 R14: 00000000000125c7 R15: 0000200000000180
[  151.275450][ T6349]  </TASK>
[  151.284906][ T6349] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  151.618477][ T6347] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  151.623555][ T6349] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  151.698272][ T6130] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 480ms
[  152.243888][ T6130] gfs2: fsid=syz:syz.0: jid=0: Done
[  152.249600][ T6345] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  152.265091][ T6345] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[  153.038287][ T6363] loop4: detected capacity change from 0 to 32768
[  153.097101][ T6363] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  153.134531][ T6363] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  153.168614][ T6367] loop1: detected capacity change from 0 to 32768
[  153.185762][ T6363] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  153.204660][ T6092] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  153.211661][ T6092] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  153.236592][ T6367] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  153.321647][ T6092] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 109ms
[  153.325656][ T6367] CPU: 0 UID: 0 PID: 6367 Comm: syz.1.75 Not tainted syzkaller #0 PREEMPT(full) 
[  153.325690][ T6367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  153.325706][ T6367] Call Trace:
[  153.325716][ T6367]  <TASK>
[  153.325726][ T6367]  dump_stack_lvl+0x189/0x250
[  153.325773][ T6367]  ? __pfx_dump_stack_lvl+0x10/0x10
[  153.325813][ T6367]  ? __pfx__printk+0x10/0x10
[  153.325847][ T6367]  ? kernfs_path_from_node+0x250/0x290
[  153.325878][ T6367]  ? kernfs_path_from_node+0x2f/0x290
[  153.325914][ T6367]  sysfs_create_dir_ns+0x259/0x280
[  153.325946][ T6367]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  153.325979][ T6367]  ? do_raw_spin_unlock+0x122/0x240
[  153.326015][ T6367]  kobject_add_internal+0x59f/0xb70
[  153.326057][ T6367]  kobject_init_and_add+0x125/0x190
[  153.326093][ T6367]  ? __pfx_kobject_init_and_add+0x10/0x10
[  153.326122][ T6367]  ? __raw_spin_lock_init+0x45/0x100
[  153.326151][ T6367]  ? __init_swait_queue_head+0xa9/0x150
[  153.326181][ T6367]  gfs2_sys_fs_add+0x234/0x450
[  153.326215][ T6367]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  153.326253][ T6367]  ? is_dynamic_key+0xd6/0x1c0
[  153.326284][ T6367]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  153.326326][ T6367]  gfs2_fill_super+0x1388/0x21b0
[  153.326395][ T6367]  ? __pfx_gfs2_fill_super+0x10/0x10
[  153.326438][ T6367]  ? sb_set_blocksize+0x155/0x240
[  153.326468][ T6367]  ? setup_bdev_super+0x4c1/0x5b0
[  153.326501][ T6367]  get_tree_bdev_flags+0x40e/0x4d0
[  153.326531][ T6367]  ? __pfx_gfs2_fill_super+0x10/0x10
[  153.326570][ T6367]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  153.326596][ T6367]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  153.326635][ T6367]  gfs2_get_tree+0x51/0x1e0
[  153.326676][ T6367]  vfs_get_tree+0x92/0x2b0
[  153.326708][ T6367]  do_new_mount+0x302/0xa10
[  153.326740][ T6367]  ? apparmor_capable+0x137/0x1b0
[  153.326780][ T6367]  ? __pfx_do_new_mount+0x10/0x10
[  153.326813][ T6367]  ? ns_capable+0x8a/0xf0
[  153.326848][ T6367]  ? kmem_cache_free+0x197/0x640
[  153.326892][ T6367]  __se_sys_mount+0x313/0x410
[  153.326934][ T6367]  ? __pfx___se_sys_mount+0x10/0x10
[  153.326973][ T6367]  ? do_syscall_64+0xbe/0xfa0
[  153.326996][ T6367]  ? __x64_sys_mount+0x20/0xc0
[  153.327033][ T6367]  do_syscall_64+0xfa/0xfa0
[  153.327059][ T6367]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  153.327082][ T6367]  ? clear_bhb_loop+0x60/0xb0
[  153.327111][ T6367]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  153.327134][ T6367] RIP: 0033:0x7fa3e8790eea
[  153.327158][ T6367] 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
[  153.327178][ T6367] RSP: 002b:00007fa3e9570e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  153.327205][ T6367] RAX: ffffffffffffffda RBX: 00007fa3e9570ef0 RCX: 00007fa3e8790eea
[  153.327223][ T6367] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fa3e9570eb0
[  153.327240][ T6367] RBP: 00002000000124c0 R08: 00007fa3e9570ef0 R09: 0000000000000000
[  153.327257][ T6367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  153.327271][ T6367] R13: 00007fa3e9570eb0 R14: 00000000000125c7 R15: 0000200000000180
[  153.327312][ T6367]  </TASK>
[  153.327341][ T6367] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  153.330344][ T6092] gfs2: fsid=syz:syz.0: jid=0: Done
[  153.389866][ T6369] loop3: detected capacity change from 0 to 32768
[  153.423087][ T6367] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  153.575855][ T6365] loop0: detected capacity change from 0 to 32768
[  153.590170][ T6363] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  153.633232][ T6369] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  153.701082][ T6369] CPU: 0 UID: 0 PID: 6369 Comm: syz.3.77 Not tainted syzkaller #0 PREEMPT(full) 
[  153.701109][ T6369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  153.701122][ T6369] Call Trace:
[  153.701131][ T6369]  <TASK>
[  153.701140][ T6369]  dump_stack_lvl+0x189/0x250
[  153.701181][ T6369]  ? __pfx_dump_stack_lvl+0x10/0x10
[  153.701215][ T6369]  ? __pfx__printk+0x10/0x10
[  153.701246][ T6369]  ? kernfs_path_from_node+0x250/0x290
[  153.701273][ T6369]  ? kernfs_path_from_node+0x2f/0x290
[  153.701303][ T6369]  sysfs_create_dir_ns+0x259/0x280
[  153.701341][ T6369]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  153.701369][ T6369]  ? do_raw_spin_unlock+0x122/0x240
[  153.701398][ T6369]  kobject_add_internal+0x59f/0xb70
[  153.701433][ T6369]  kobject_init_and_add+0x125/0x190
[  153.701464][ T6369]  ? __pfx_kobject_init_and_add+0x10/0x10
[  153.701490][ T6369]  ? __raw_spin_lock_init+0x45/0x100
[  153.701516][ T6369]  ? __init_swait_queue_head+0xa9/0x150
[  153.701542][ T6369]  gfs2_sys_fs_add+0x234/0x450
[  153.701574][ T6369]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  153.701608][ T6369]  ? is_dynamic_key+0xd6/0x1c0
[  153.701636][ T6369]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  153.701674][ T6369]  gfs2_fill_super+0x1388/0x21b0
[  153.701725][ T6369]  ? __pfx_gfs2_fill_super+0x10/0x10
[  153.701764][ T6369]  ? sb_set_blocksize+0x155/0x240
[  153.701791][ T6369]  ? setup_bdev_super+0x4c1/0x5b0
[  153.701821][ T6369]  get_tree_bdev_flags+0x40e/0x4d0
[  153.701846][ T6369]  ? __pfx_gfs2_fill_super+0x10/0x10
[  153.701879][ T6369]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  153.701902][ T6369]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  153.701936][ T6369]  gfs2_get_tree+0x51/0x1e0
[  153.701973][ T6369]  vfs_get_tree+0x92/0x2b0
[  153.702002][ T6369]  do_new_mount+0x302/0xa10
[  153.702030][ T6369]  ? apparmor_capable+0x137/0x1b0
[  153.702064][ T6369]  ? __pfx_do_new_mount+0x10/0x10
[  153.702095][ T6369]  ? ns_capable+0x8a/0xf0
[  153.702126][ T6369]  ? kmem_cache_free+0x197/0x640
[  153.702165][ T6369]  __se_sys_mount+0x313/0x410
[  153.702204][ T6369]  ? __pfx___se_sys_mount+0x10/0x10
[  153.702240][ T6369]  ? do_syscall_64+0xbe/0xfa0
[  153.702259][ T6369]  ? __x64_sys_mount+0x20/0xc0
[  153.702292][ T6369]  do_syscall_64+0xfa/0xfa0
[  153.702314][ T6369]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  153.702342][ T6369]  ? clear_bhb_loop+0x60/0xb0
[  153.702369][ T6369]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  153.702390][ T6369] RIP: 0033:0x7fde8d990eea
[  153.702409][ T6369] 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
[  153.702427][ T6369] RSP: 002b:00007fde8e8cee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  153.702450][ T6369] RAX: ffffffffffffffda RBX: 00007fde8e8ceef0 RCX: 00007fde8d990eea
[  153.702466][ T6369] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde8e8ceeb0
[  153.702481][ T6369] RBP: 00002000000124c0 R08: 00007fde8e8ceef0 R09: 0000000000000000
[  153.702495][ T6369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  153.702509][ T6369] R13: 00007fde8e8ceeb0 R14: 00000000000125c7 R15: 0000200000000180
[  153.702544][ T6369]  </TASK>
[  153.702579][ T6369] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  154.001147][ T6365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  154.049007][ T6365] CPU: 0 UID: 0 PID: 6365 Comm: syz.0.76 Not tainted syzkaller #0 PREEMPT(full) 
[  154.049038][ T6365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  154.049055][ T6365] Call Trace:
[  154.049063][ T6365]  <TASK>
[  154.049071][ T6365]  dump_stack_lvl+0x189/0x250
[  154.049111][ T6365]  ? __pfx_dump_stack_lvl+0x10/0x10
[  154.049143][ T6365]  ? __pfx__printk+0x10/0x10
[  154.049174][ T6365]  ? kernfs_path_from_node+0x250/0x290
[  154.049198][ T6365]  ? kernfs_path_from_node+0x2f/0x290
[  154.049228][ T6365]  sysfs_create_dir_ns+0x259/0x280
[  154.049256][ T6365]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  154.049289][ T6365]  ? do_raw_spin_unlock+0x122/0x240
[  154.049318][ T6365]  kobject_add_internal+0x59f/0xb70
[  154.049351][ T6365]  kobject_init_and_add+0x125/0x190
[  154.049381][ T6365]  ? __pfx_kobject_init_and_add+0x10/0x10
[  154.049405][ T6365]  ? __raw_spin_lock_init+0x45/0x100
[  154.049430][ T6365]  ? __init_swait_queue_head+0xa9/0x150
[  154.049456][ T6365]  gfs2_sys_fs_add+0x234/0x450
[  154.049487][ T6365]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  154.049521][ T6365]  ? is_dynamic_key+0xd6/0x1c0
[  154.049548][ T6365]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  154.049586][ T6365]  gfs2_fill_super+0x1388/0x21b0
[  154.049638][ T6365]  ? __pfx_gfs2_fill_super+0x10/0x10
[  154.049677][ T6365]  ? sb_set_blocksize+0x155/0x240
[  154.049703][ T6365]  ? setup_bdev_super+0x4c1/0x5b0
[  154.049732][ T6365]  get_tree_bdev_flags+0x40e/0x4d0
[  154.049758][ T6365]  ? __pfx_gfs2_fill_super+0x10/0x10
[  154.049791][ T6365]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  154.049813][ T6365]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  154.049846][ T6365]  gfs2_get_tree+0x51/0x1e0
[  154.049882][ T6365]  vfs_get_tree+0x92/0x2b0
[  154.049909][ T6365]  do_new_mount+0x302/0xa10
[  154.049936][ T6365]  ? apparmor_capable+0x137/0x1b0
[  154.049965][ T6365]  ? __pfx_do_new_mount+0x10/0x10
[  154.049985][ T6365]  ? ns_capable+0x8a/0xf0
[  154.050007][ T6365]  ? kmem_cache_free+0x197/0x640
[  154.050035][ T6365]  __se_sys_mount+0x313/0x410
[  154.050062][ T6365]  ? __pfx___se_sys_mount+0x10/0x10
[  154.050087][ T6365]  ? do_syscall_64+0xbe/0xfa0
[  154.050100][ T6365]  ? __x64_sys_mount+0x20/0xc0
[  154.050123][ T6365]  do_syscall_64+0xfa/0xfa0
[  154.050138][ T6365]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  154.050153][ T6365]  ? clear_bhb_loop+0x60/0xb0
[  154.050171][ T6365]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  154.050186][ T6365] RIP: 0033:0x7fbe2bd90eea
[  154.050200][ T6365] 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
[  154.050214][ T6365] RSP: 002b:00007fbe2cc8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  154.050230][ T6365] RAX: ffffffffffffffda RBX: 00007fbe2cc8cef0 RCX: 00007fbe2bd90eea
[  154.050241][ T6365] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbe2cc8ceb0
[  154.050252][ T6365] RBP: 00002000000124c0 R08: 00007fbe2cc8cef0 R09: 0000000000000000
[  154.050262][ T6365] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  154.050272][ T6365] R13: 00007fbe2cc8ceb0 R14: 00000000000125c7 R15: 0000200000000180
[  154.050304][ T6365]  </TASK>
[  154.050354][ T6365] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  154.053057][ T6369] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  154.184704][ T6365] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  154.412354][ T6363] gfs2: fsid=syz:syz.0: found 1 quota changes
[  154.571321][ T5957] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[  154.642927][ T5957] gfs2: fsid=syz:syz.0: G:  s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[  154.672739][ T5957] gfs2: fsid=syz:syz.0:  H: s:EX f:H e:0 p:5957 [syz-executor] gfs2_quota_sync+0x359/0x460
[  154.705607][ T5957] gfs2: fsid=syz:syz.0:  I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[  154.734362][ T5957] CPU: 0 UID: 0 PID: 5957 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  154.734393][ T5957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  154.734406][ T5957] Call Trace:
[  154.734415][ T5957]  <TASK>
[  154.734425][ T5957]  dump_stack_lvl+0x189/0x250
[  154.734467][ T5957]  ? __pfx_dump_stack_lvl+0x10/0x10
[  154.734501][ T5957]  ? queue_delayed_work_on+0x11a/0x280
[  154.734534][ T5957]  ? lockdep_hardirqs_on+0x9c/0x150
[  154.734555][ T5957]  ? preempt_schedule+0xae/0xc0
[  154.734596][ T5957]  gfs2_withdraw+0xc3/0x1b0
[  154.734631][ T5957]  inode_go_instantiate+0xdd0/0x1210
[  154.734676][ T5957]  ? __pfx_inode_go_instantiate+0x10/0x10
[  154.734712][ T5957]  ? gfs2_glock_nq+0xedd/0x15f0
[  154.734741][ T5957]  gfs2_instantiate+0x168/0x220
[  154.734779][ T5957]  gfs2_glock_wait+0x1d4/0x2a0
[  154.734804][ T5957]  do_sync+0x46f/0xc60
[  154.734830][ T5957]  ? _raw_spin_unlock+0x28/0x50
[  154.734859][ T5957]  ? gfs2_quota_sync+0x359/0x460
[  154.734897][ T5957]  ? __pfx_do_sync+0x10/0x10
[  154.734935][ T5957]  ? gfs2_quota_sync+0x359/0x460
[  154.734967][ T5957]  ? do_raw_spin_unlock+0x122/0x240
[  154.734997][ T5957]  gfs2_quota_sync+0x359/0x460
[  154.735037][ T5957]  gfs2_sync_fs+0x4c/0xb0
[  154.735063][ T5957]  sync_filesystem+0xee/0x230
[  154.735088][ T5957]  generic_shutdown_super+0x6f/0x2c0
[  154.735115][ T5957]  kill_block_super+0x44/0x90
[  154.735141][ T5957]  deactivate_locked_super+0xbc/0x130
[  154.735165][ T5957]  cleanup_mnt+0x425/0x4c0
[  154.735188][ T5957]  ? lockdep_hardirqs_on+0x9c/0x150
[  154.735211][ T5957]  task_work_run+0x1d4/0x260
[  154.735246][ T5957]  ? __pfx_task_work_run+0x10/0x10
[  154.735271][ T5957]  ? exit_to_user_mode_loop+0x55/0x4f0
[  154.735302][ T5957]  exit_to_user_mode_loop+0xff/0x4f0
[  154.735330][ T5957]  ? rcu_is_watching+0x15/0xb0
[  154.735355][ T5957]  do_syscall_64+0x2e9/0xfa0
[  154.735378][ T5957]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  154.735400][ T5957]  ? clear_bhb_loop+0x60/0xb0
[  154.735426][ T5957]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  154.735447][ T5957] RIP: 0033:0x7f9a6a590a77
[  154.735467][ T5957] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  154.735485][ T5957] RSP: 002b:00007fffd35c0468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  154.735508][ T5957] RAX: 0000000000000000 RBX: 00007f9a6a613d7d RCX: 00007f9a6a590a77
[  154.735523][ T5957] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffd35c0520
[  154.735536][ T5957] RBP: 00007fffd35c0520 R08: 0000000000000000 R09: 0000000000000000
[  154.735549][ T5957] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffd35c15b0
[  154.735564][ T5957] R13: 00007f9a6a613d7d R14: 0000000000024fe0 R15: 00007fffd35c15f0
[  154.735601][ T5957]  </TASK>
[  154.735609][ T5957] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  155.019509][ T6372] loop2: detected capacity change from 0 to 32768
[  155.141286][ T6372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  155.161331][ T6372] CPU: 0 UID: 0 PID: 6372 Comm: syz.2.78 Not tainted syzkaller #0 PREEMPT(full) 
[  155.161360][ T6372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  155.161374][ T6372] Call Trace:
[  155.161383][ T6372]  <TASK>
[  155.161392][ T6372]  dump_stack_lvl+0x189/0x250
[  155.161437][ T6372]  ? __pfx_dump_stack_lvl+0x10/0x10
[  155.161469][ T6372]  ? __pfx__printk+0x10/0x10
[  155.161501][ T6372]  ? kernfs_path_from_node+0x250/0x290
[  155.161527][ T6372]  ? kernfs_path_from_node+0x2f/0x290
[  155.161557][ T6372]  sysfs_create_dir_ns+0x259/0x280
[  155.161585][ T6372]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  155.161612][ T6372]  ? do_raw_spin_unlock+0x122/0x240
[  155.161641][ T6372]  kobject_add_internal+0x59f/0xb70
[  155.161675][ T6372]  kobject_init_and_add+0x125/0x190
[  155.161704][ T6372]  ? __pfx_kobject_init_and_add+0x10/0x10
[  155.161730][ T6372]  ? __raw_spin_lock_init+0x45/0x100
[  155.161755][ T6372]  ? __init_swait_queue_head+0xa9/0x150
[  155.161782][ T6372]  gfs2_sys_fs_add+0x234/0x450
[  155.161811][ T6372]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  155.161845][ T6372]  ? is_dynamic_key+0xd6/0x1c0
[  155.161871][ T6372]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  155.161908][ T6372]  gfs2_fill_super+0x1388/0x21b0
[  155.161959][ T6372]  ? __pfx_gfs2_fill_super+0x10/0x10
[  155.161998][ T6372]  ? sb_set_blocksize+0x155/0x240
[  155.162024][ T6372]  ? setup_bdev_super+0x4c1/0x5b0
[  155.162052][ T6372]  get_tree_bdev_flags+0x40e/0x4d0
[  155.162078][ T6372]  ? __pfx_gfs2_fill_super+0x10/0x10
[  155.162111][ T6372]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  155.162133][ T6372]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  155.162166][ T6372]  gfs2_get_tree+0x51/0x1e0
[  155.162210][ T6372]  vfs_get_tree+0x92/0x2b0
[  155.162237][ T6372]  do_new_mount+0x302/0xa10
[  155.162265][ T6372]  ? apparmor_capable+0x137/0x1b0
[  155.162299][ T6372]  ? __pfx_do_new_mount+0x10/0x10
[  155.162328][ T6372]  ? ns_capable+0x8a/0xf0
[  155.162359][ T6372]  ? kmem_cache_free+0x197/0x640
[  155.162397][ T6372]  __se_sys_mount+0x313/0x410
[  155.162434][ T6372]  ? __pfx___se_sys_mount+0x10/0x10
[  155.162469][ T6372]  ? do_syscall_64+0xbe/0xfa0
[  155.162488][ T6372]  ? __x64_sys_mount+0x20/0xc0
[  155.162520][ T6372]  do_syscall_64+0xfa/0xfa0
[  155.162541][ T6372]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  155.162562][ T6372]  ? clear_bhb_loop+0x60/0xb0
[  155.162588][ T6372]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  155.162608][ T6372] RIP: 0033:0x7f6fe2390eea
[  155.162627][ T6372] 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
[  155.162645][ T6372] RSP: 002b:00007f6fe32c5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  155.162668][ T6372] RAX: ffffffffffffffda RBX: 00007f6fe32c5ef0 RCX: 00007f6fe2390eea
[  155.162684][ T6372] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f6fe32c5eb0
[  155.162698][ T6372] RBP: 00002000000124c0 R08: 00007f6fe32c5ef0 R09: 0000000000000000
[  155.162712][ T6372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  155.162725][ T6372] R13: 00007f6fe32c5eb0 R14: 00000000000125c7 R15: 0000200000000180
[  155.162759][ T6372]  </TASK>
[  155.469760][ T6372] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  155.485606][ T6372] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  155.891158][ T6384] loop1: detected capacity change from 0 to 32768
[  155.966010][ T6384] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  156.012932][ T6384] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  156.109729][ T6386] loop0: detected capacity change from 0 to 32768
[  156.130821][ T6384] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  156.150451][   T10] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  156.157493][   T10] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  156.239360][ T6386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  156.255428][   T10] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 97ms
[  156.269393][   T10] gfs2: fsid=syz:syz.0: jid=0: Done
[  156.276651][ T6384] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  156.283314][ T6386] CPU: 0 UID: 0 PID: 6386 Comm: syz.0.80 Not tainted syzkaller #0 PREEMPT(full) 
[  156.283346][ T6386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  156.283360][ T6386] Call Trace:
[  156.283370][ T6386]  <TASK>
[  156.283379][ T6386]  dump_stack_lvl+0x189/0x250
[  156.283428][ T6386]  ? __pfx_dump_stack_lvl+0x10/0x10
[  156.283465][ T6386]  ? __pfx__printk+0x10/0x10
[  156.283502][ T6386]  ? kernfs_path_from_node+0x250/0x290
[  156.283531][ T6386]  ? kernfs_path_from_node+0x2f/0x290
[  156.283566][ T6386]  sysfs_create_dir_ns+0x259/0x280
[  156.283600][ T6386]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  156.283631][ T6386]  ? do_raw_spin_unlock+0x122/0x240
[  156.283665][ T6386]  kobject_add_internal+0x59f/0xb70
[  156.283705][ T6386]  kobject_init_and_add+0x125/0x190
[  156.283740][ T6386]  ? __pfx_kobject_init_and_add+0x10/0x10
[  156.283769][ T6386]  ? __raw_spin_lock_init+0x45/0x100
[  156.283797][ T6386]  ? __init_swait_queue_head+0xa9/0x150
[  156.283839][ T6386]  gfs2_sys_fs_add+0x234/0x450
[  156.283872][ T6386]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  156.283912][ T6386]  ? is_dynamic_key+0xd6/0x1c0
[  156.283942][ T6386]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  156.283990][ T6386]  gfs2_fill_super+0x1388/0x21b0
[  156.284047][ T6386]  ? __pfx_gfs2_fill_super+0x10/0x10
[  156.284091][ T6386]  ? sb_set_blocksize+0x155/0x240
[  156.284122][ T6386]  ? setup_bdev_super+0x4c1/0x5b0
[  156.284156][ T6386]  get_tree_bdev_flags+0x40e/0x4d0
[  156.284186][ T6386]  ? __pfx_gfs2_fill_super+0x10/0x10
[  156.284225][ T6386]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  156.284254][ T6386]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  156.284292][ T6386]  gfs2_get_tree+0x51/0x1e0
[  156.284334][ T6386]  vfs_get_tree+0x92/0x2b0
[  156.284366][ T6386]  do_new_mount+0x302/0xa10
[  156.284399][ T6386]  ? apparmor_capable+0x137/0x1b0
[  156.284437][ T6386]  ? __pfx_do_new_mount+0x10/0x10
[  156.284472][ T6386]  ? ns_capable+0x8a/0xf0
[  156.284508][ T6386]  ? kmem_cache_free+0x197/0x640
[  156.284551][ T6386]  __se_sys_mount+0x313/0x410
[  156.284593][ T6386]  ? __pfx___se_sys_mount+0x10/0x10
[  156.284633][ T6386]  ? do_syscall_64+0xbe/0xfa0
[  156.284654][ T6386]  ? __x64_sys_mount+0x20/0xc0
[  156.284691][ T6386]  do_syscall_64+0xfa/0xfa0
[  156.284716][ T6386]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  156.284741][ T6386]  ? clear_bhb_loop+0x60/0xb0
[  156.284770][ T6386]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  156.284795][ T6386] RIP: 0033:0x7fbe2bd90eea
[  156.284817][ T6386] 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
[  156.284846][ T6386] RSP: 002b:00007fbe2cc8ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  156.284872][ T6386] RAX: ffffffffffffffda RBX: 00007fbe2cc8cef0 RCX: 00007fbe2bd90eea
[  156.284891][ T6386] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fbe2cc8ceb0
[  156.284908][ T6386] RBP: 00002000000124c0 R08: 00007fbe2cc8cef0 R09: 0000000000000000
[  156.284925][ T6386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  156.284939][ T6386] R13: 00007fbe2cc8ceb0 R14: 00000000000125c7 R15: 0000200000000180
[  156.284979][ T6386]  </TASK>
[  156.285010][ T6386] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  156.638835][ T6386] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/24 04:20:41 executed programs: 77
[  156.912326][ T6384] gfs2: fsid=syz:syz.0: found 1 quota changes
[  156.954096][ T6384] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[  157.022983][ T6384] gfs2: fsid=syz:syz.0: G:  s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[  157.037468][ T6390] loop3: detected capacity change from 0 to 32768
[  157.052668][ T6384] gfs2: fsid=syz:syz.0:  H: s:EX f:H e:0 p:6384 [syz.1.79] gfs2_quota_sync+0x359/0x460
[  157.093348][ T6384] gfs2: fsid=syz:syz.0:  I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[  157.102046][ T6384] CPU: 1 UID: 0 PID: 6384 Comm: syz.1.79 Not tainted syzkaller #0 PREEMPT(full) 
[  157.102074][ T6384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  157.102088][ T6384] Call Trace:
[  157.102096][ T6384]  <TASK>
[  157.102105][ T6384]  dump_stack_lvl+0x189/0x250
[  157.102146][ T6384]  ? __pfx_dump_stack_lvl+0x10/0x10
[  157.102180][ T6384]  ? queue_delayed_work_on+0x11a/0x280
[  157.102214][ T6384]  ? lockdep_hardirqs_on+0x9c/0x150
[  157.102235][ T6384]  ? preempt_schedule+0xae/0xc0
[  157.102277][ T6384]  gfs2_withdraw+0xc3/0x1b0
[  157.102313][ T6384]  inode_go_instantiate+0xdd0/0x1210
[  157.102357][ T6384]  ? __pfx_inode_go_instantiate+0x10/0x10
[  157.102394][ T6384]  ? gfs2_glock_nq+0xedd/0x15f0
[  157.102423][ T6384]  gfs2_instantiate+0x168/0x220
[  157.102461][ T6384]  gfs2_glock_wait+0x1d4/0x2a0
[  157.102485][ T6384]  do_sync+0x46f/0xc60
[  157.102509][ T6384]  ? _raw_spin_unlock+0x28/0x50
[  157.102537][ T6384]  ? gfs2_quota_sync+0x359/0x460
[  157.102572][ T6384]  ? __pfx_do_sync+0x10/0x10
[  157.102611][ T6384]  ? gfs2_quota_sync+0x359/0x460
[  157.102641][ T6384]  ? do_raw_spin_unlock+0x122/0x240
[  157.102670][ T6384]  gfs2_quota_sync+0x359/0x460
[  157.102709][ T6384]  gfs2_sync_fs+0x4c/0xb0
[  157.102733][ T6384]  sync_filesystem+0xee/0x230
[  157.102757][ T6384]  gfs2_reconfigure+0xbb/0xb20
[  157.102790][ T6384]  ? _raw_spin_unlock+0x28/0x50
[  157.102831][ T6384]  ? sb_prepare_remount_readonly+0x471/0x4b0
[  157.102868][ T6384]  reconfigure_super+0x227/0x890
[  157.102899][ T6384]  path_mount+0xd29/0xff0
[  157.102926][ T6384]  ? kmem_cache_free+0x197/0x640
[  157.102964][ T6384]  __se_sys_mount+0x313/0x410
[  157.102998][ T6384]  ? __pfx___se_sys_mount+0x10/0x10
[  157.103033][ T6384]  ? do_syscall_64+0xbe/0xfa0
[  157.103051][ T6384]  ? __x64_sys_mount+0x20/0xc0
[  157.103084][ T6384]  do_syscall_64+0xfa/0xfa0
[  157.103104][ T6384]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  157.103126][ T6384]  ? clear_bhb_loop+0x60/0xb0
[  157.103151][ T6384]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  157.103172][ T6384] RIP: 0033:0x7fa3e8790eea
[  157.103191][ T6384] 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
[  157.103210][ T6384] RSP: 002b:00007fa3e9570e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  157.103232][ T6384] RAX: ffffffffffffffda RBX: 00007fa3e9570ef0 RCX: 00007fa3e8790eea
[  157.103247][ T6384] RDX: 00002000000003c0 RSI: 0000200000000340 RDI: 0000000000000000
[  157.103261][ T6384] RBP: 00002000000003c0 R08: 00007fa3e9570ef0 R09: 000000000126a4b5
[  157.103274][ T6384] R10: 000000000126a4b5 R11: 0000000000000246 R12: 0000200000000340
[  157.103288][ T6384] R13: 00007fa3e9570eb0 R14: 0000000000000000 R15: 0000200000004140
[  157.103323][ T6384]  </TASK>
[  157.383189][ T6390] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  157.390630][ T6390] CPU: 0 UID: 0 PID: 6390 Comm: syz.3.82 Not tainted syzkaller #0 PREEMPT(full) 
[  157.390659][ T6390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  157.390670][ T6390] Call Trace:
[  157.390677][ T6390]  <TASK>
[  157.390685][ T6390]  dump_stack_lvl+0x189/0x250
[  157.390720][ T6390]  ? __pfx_dump_stack_lvl+0x10/0x10
[  157.390748][ T6390]  ? __pfx__printk+0x10/0x10
[  157.390774][ T6390]  ? kernfs_path_from_node+0x250/0x290
[  157.390796][ T6390]  ? kernfs_path_from_node+0x2f/0x290
[  157.390820][ T6390]  sysfs_create_dir_ns+0x259/0x280
[  157.390844][ T6390]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  157.390866][ T6390]  ? do_raw_spin_unlock+0x122/0x240
[  157.390890][ T6390]  kobject_add_internal+0x59f/0xb70
[  157.390918][ T6390]  kobject_init_and_add+0x125/0x190
[  157.390943][ T6390]  ? __pfx_kobject_init_and_add+0x10/0x10
[  157.390963][ T6390]  ? __raw_spin_lock_init+0x45/0x100
[  157.390984][ T6390]  ? __init_swait_queue_head+0xa9/0x150
[  157.391005][ T6390]  gfs2_sys_fs_add+0x234/0x450
[  157.391037][ T6390]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  157.391065][ T6390]  ? is_dynamic_key+0xd6/0x1c0
[  157.391087][ T6390]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  157.391117][ T6390]  gfs2_fill_super+0x1388/0x21b0
[  157.391158][ T6390]  ? __pfx_gfs2_fill_super+0x10/0x10
[  157.391190][ T6390]  ? sb_set_blocksize+0x155/0x240
[  157.391211][ T6390]  ? setup_bdev_super+0x4c1/0x5b0
[  157.391235][ T6390]  get_tree_bdev_flags+0x40e/0x4d0
[  157.391262][ T6390]  ? __pfx_gfs2_fill_super+0x10/0x10
[  157.391290][ T6390]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  157.391310][ T6390]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  157.391336][ T6390]  gfs2_get_tree+0x51/0x1e0
[  157.391367][ T6390]  vfs_get_tree+0x92/0x2b0
[  157.391389][ T6390]  do_new_mount+0x302/0xa10
[  157.391412][ T6390]  ? apparmor_capable+0x137/0x1b0
[  157.391440][ T6390]  ? __pfx_do_new_mount+0x10/0x10
[  157.391465][ T6390]  ? ns_capable+0x8a/0xf0
[  157.391491][ T6390]  ? kmem_cache_free+0x197/0x640
[  157.391521][ T6390]  __se_sys_mount+0x313/0x410
[  157.391552][ T6390]  ? __pfx___se_sys_mount+0x10/0x10
[  157.391581][ T6390]  ? do_syscall_64+0xbe/0xfa0
[  157.391597][ T6390]  ? __x64_sys_mount+0x20/0xc0
[  157.391623][ T6390]  do_syscall_64+0xfa/0xfa0
[  157.391641][ T6390]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  157.391658][ T6390]  ? clear_bhb_loop+0x60/0xb0
[  157.391679][ T6390]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  157.391722][ T6390] RIP: 0033:0x7fde8d990eea
[  157.391738][ T6390] 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
[  157.391754][ T6390] RSP: 002b:00007fde8e8cee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  157.391774][ T6390] RAX: ffffffffffffffda RBX: 00007fde8e8ceef0 RCX: 00007fde8d990eea
[  157.391787][ T6390] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde8e8ceeb0
[  157.391799][ T6390] RBP: 00002000000124c0 R08: 00007fde8e8ceef0 R09: 0000000000000000
[  157.391811][ T6390] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  157.391822][ T6390] R13: 00007fde8e8ceeb0 R14: 00000000000125c7 R15: 0000200000000180
[  157.391850][ T6390]  </TASK>
[  157.391880][ T6390] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  157.679873][ T6399] loop4: detected capacity change from 0 to 32768
[  157.695028][ T6384] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  157.743499][ T6390] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  157.792569][ T6027] gfs2: fsid=syz:syz.0: file system withdrawn
[  157.944068][ T6399] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  158.015971][ T6399] CPU: 1 UID: 0 PID: 6399 Comm: syz.4.81 Not tainted syzkaller #0 PREEMPT(full) 
[  158.016003][ T6399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  158.016016][ T6399] Call Trace:
[  158.016025][ T6399]  <TASK>
[  158.016035][ T6399]  dump_stack_lvl+0x189/0x250
[  158.016077][ T6399]  ? __pfx_dump_stack_lvl+0x10/0x10
[  158.016111][ T6399]  ? __pfx__printk+0x10/0x10
[  158.016143][ T6399]  ? kernfs_path_from_node+0x250/0x290
[  158.016170][ T6399]  ? kernfs_path_from_node+0x2f/0x290
[  158.016201][ T6399]  sysfs_create_dir_ns+0x259/0x280
[  158.016230][ T6399]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  158.016259][ T6399]  ? do_raw_spin_unlock+0x122/0x240
[  158.016289][ T6399]  kobject_add_internal+0x59f/0xb70
[  158.016324][ T6399]  kobject_init_and_add+0x125/0x190
[  158.016355][ T6399]  ? __pfx_kobject_init_and_add+0x10/0x10
[  158.016381][ T6399]  ? __raw_spin_lock_init+0x45/0x100
[  158.016407][ T6399]  ? __init_swait_queue_head+0xa9/0x150
[  158.016434][ T6399]  gfs2_sys_fs_add+0x234/0x450
[  158.016464][ T6399]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  158.016499][ T6399]  ? is_dynamic_key+0xd6/0x1c0
[  158.016525][ T6399]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  158.016564][ T6399]  gfs2_fill_super+0x1388/0x21b0
[  158.016616][ T6399]  ? __pfx_gfs2_fill_super+0x10/0x10
[  158.016655][ T6399]  ? sb_set_blocksize+0x155/0x240
[  158.016681][ T6399]  ? setup_bdev_super+0x4c1/0x5b0
[  158.016711][ T6399]  get_tree_bdev_flags+0x40e/0x4d0
[  158.016738][ T6399]  ? __pfx_gfs2_fill_super+0x10/0x10
[  158.016772][ T6399]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  158.016795][ T6399]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  158.016829][ T6399]  gfs2_get_tree+0x51/0x1e0
[  158.016876][ T6399]  vfs_get_tree+0x92/0x2b0
[  158.016912][ T6399]  do_new_mount+0x302/0xa10
[  158.016940][ T6399]  ? apparmor_capable+0x137/0x1b0
[  158.016975][ T6399]  ? __pfx_do_new_mount+0x10/0x10
[  158.017005][ T6399]  ? ns_capable+0x8a/0xf0
[  158.017037][ T6399]  ? kmem_cache_free+0x197/0x640
[  158.017076][ T6399]  __se_sys_mount+0x313/0x410
[  158.017114][ T6399]  ? __pfx___se_sys_mount+0x10/0x10
[  158.017156][ T6399]  ? do_syscall_64+0xbe/0xfa0
[  158.017175][ T6399]  ? __x64_sys_mount+0x20/0xc0
[  158.017208][ T6399]  do_syscall_64+0xfa/0xfa0
[  158.017231][ T6399]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  158.017252][ T6399]  ? clear_bhb_loop+0x60/0xb0
[  158.017278][ T6399]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  158.017299][ T6399] RIP: 0033:0x7f9a6a590eea
[  158.017318][ T6399] 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
[  158.017337][ T6399] RSP: 002b:00007f9a6b438e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  158.017361][ T6399] RAX: ffffffffffffffda RBX: 00007f9a6b438ef0 RCX: 00007f9a6a590eea
[  158.017376][ T6399] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f9a6b438eb0
[  158.017391][ T6399] RBP: 00002000000124c0 R08: 00007f9a6b438ef0 R09: 0000000000000000
[  158.017405][ T6399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  158.017419][ T6399] R13: 00007f9a6b438eb0 R14: 00000000000125c7 R15: 0000200000000180
[  158.017454][ T6399]  </TASK>
[  158.017481][ T6399] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  158.417269][ T6399] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  158.696991][ T6393] loop2: detected capacity change from 0 to 32768
[  158.760293][ T6393] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  158.787036][ T6393] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  158.844990][ T6393] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  158.855393][ T6027] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  158.862327][ T6027] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  158.930206][ T6027] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 67ms
[  158.948594][ T6027] gfs2: fsid=syz:syz.0: jid=0: Done
[  158.962922][ T6393] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  158.989862][ T6393] gfs2: fsid=syz:syz.0: can't create logd thread: -4
[  159.203383][ T6403] loop0: detected capacity change from 0 to 32768
[  159.256063][ T6403] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[  159.294349][ T6403] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[  159.343369][ T6403] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[  159.376642][   T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[  159.388146][   T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[  159.500721][   T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 112ms
[  159.533129][   T24] gfs2: fsid=syz:syz.0: jid=0: Done
[  159.544630][ T6403] gfs2: fsid=syz:syz.0: first mount done, others may mount
[  159.621405][ T6408] loop3: detected capacity change from 0 to 32768
[  159.683865][ T6408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  159.715705][ T6403] gfs2: fsid=syz:syz.0: found 1 quota changes
[  159.721903][ T6408] CPU: 1 UID: 0 PID: 6408 Comm: syz.3.85 Not tainted syzkaller #0 PREEMPT(full) 
[  159.721932][ T6408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  159.721945][ T6408] Call Trace:
[  159.721954][ T6408]  <TASK>
[  159.721964][ T6408]  dump_stack_lvl+0x189/0x250
[  159.722006][ T6408]  ? __pfx_dump_stack_lvl+0x10/0x10
[  159.722039][ T6408]  ? __pfx__printk+0x10/0x10
[  159.722071][ T6408]  ? kernfs_path_from_node+0x250/0x290
[  159.722098][ T6408]  ? kernfs_path_from_node+0x2f/0x290
[  159.722128][ T6408]  sysfs_create_dir_ns+0x259/0x280
[  159.722158][ T6408]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  159.722187][ T6408]  ? do_raw_spin_unlock+0x122/0x240
[  159.722217][ T6408]  kobject_add_internal+0x59f/0xb70
[  159.722253][ T6408]  kobject_init_and_add+0x125/0x190
[  159.722284][ T6408]  ? __pfx_kobject_init_and_add+0x10/0x10
[  159.722311][ T6408]  ? __raw_spin_lock_init+0x45/0x100
[  159.722337][ T6408]  ? __init_swait_queue_head+0xa9/0x150
[  159.722364][ T6408]  gfs2_sys_fs_add+0x234/0x450
[  159.722395][ T6408]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  159.722430][ T6408]  ? is_dynamic_key+0xd6/0x1c0
[  159.722458][ T6408]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  159.722496][ T6408]  gfs2_fill_super+0x1388/0x21b0
[  159.722553][ T6408]  ? __pfx_gfs2_fill_super+0x10/0x10
[  159.722593][ T6408]  ? sb_set_blocksize+0x155/0x240
[  159.722620][ T6408]  ? setup_bdev_super+0x4c1/0x5b0
[  159.722650][ T6408]  get_tree_bdev_flags+0x40e/0x4d0
[  159.722676][ T6408]  ? __pfx_gfs2_fill_super+0x10/0x10
[  159.722710][ T6408]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  159.722733][ T6408]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  159.722767][ T6408]  gfs2_get_tree+0x51/0x1e0
[  159.722805][ T6408]  vfs_get_tree+0x92/0x2b0
[  159.722838][ T6408]  do_new_mount+0x302/0xa10
[  159.722866][ T6408]  ? apparmor_capable+0x137/0x1b0
[  159.722900][ T6408]  ? __pfx_do_new_mount+0x10/0x10
[  159.722929][ T6408]  ? ns_capable+0x8a/0xf0
[  159.722960][ T6408]  ? kmem_cache_free+0x197/0x640
[  159.722998][ T6408]  __se_sys_mount+0x313/0x410
[  159.723035][ T6408]  ? __pfx___se_sys_mount+0x10/0x10
[  159.723070][ T6408]  ? do_syscall_64+0xbe/0xfa0
[  159.723090][ T6408]  ? __x64_sys_mount+0x20/0xc0
[  159.723122][ T6408]  do_syscall_64+0xfa/0xfa0
[  159.723145][ T6408]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  159.723166][ T6408]  ? clear_bhb_loop+0x60/0xb0
[  159.723192][ T6408]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  159.723213][ T6408] RIP: 0033:0x7fde8d990eea
[  159.723233][ T6408] 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
[  159.723251][ T6408] RSP: 002b:00007fde8e8cee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  159.723273][ T6408] RAX: ffffffffffffffda RBX: 00007fde8e8ceef0 RCX: 00007fde8d990eea
[  159.723290][ T6408] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fde8e8ceeb0
[  159.723305][ T6408] RBP: 00002000000124c0 R08: 00007fde8e8ceef0 R09: 0000000000000000
[  159.723318][ T6408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  159.723331][ T6408] R13: 00007fde8e8ceeb0 R14: 00000000000125c7 R15: 0000200000000180
[  159.723366][ T6408]  </TASK>
[  160.054971][ T6408] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  160.078794][ T6408] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  160.186176][ T6411] loop1: detected capacity change from 0 to 32768
[  160.211545][ T6413] loop4: detected capacity change from 0 to 32768
[  160.254845][ T6411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  160.262348][ T6411] CPU: 1 UID: 0 PID: 6411 Comm: syz.1.86 Not tainted syzkaller #0 PREEMPT(full) 
[  160.262377][ T6411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  160.262391][ T6411] Call Trace:
[  160.262401][ T6411]  <TASK>
[  160.262410][ T6411]  dump_stack_lvl+0x189/0x250
[  160.262451][ T6411]  ? __pfx_dump_stack_lvl+0x10/0x10
[  160.262484][ T6411]  ? __pfx__printk+0x10/0x10
[  160.262516][ T6411]  ? kernfs_path_from_node+0x250/0x290
[  160.262541][ T6411]  ? kernfs_path_from_node+0x2f/0x290
[  160.262578][ T6411]  sysfs_create_dir_ns+0x259/0x280
[  160.262608][ T6411]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  160.262635][ T6411]  ? do_raw_spin_unlock+0x122/0x240
[  160.262664][ T6411]  kobject_add_internal+0x59f/0xb70
[  160.262700][ T6411]  kobject_init_and_add+0x125/0x190
[  160.262730][ T6411]  ? __pfx_kobject_init_and_add+0x10/0x10
[  160.262756][ T6411]  ? __raw_spin_lock_init+0x45/0x100
[  160.262781][ T6411]  ? __init_swait_queue_head+0xa9/0x150
[  160.262813][ T6411]  gfs2_sys_fs_add+0x234/0x450
[  160.262843][ T6411]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  160.262875][ T6411]  ? is_dynamic_key+0xd6/0x1c0
[  160.262902][ T6411]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  160.262939][ T6411]  gfs2_fill_super+0x1388/0x21b0
[  160.262989][ T6411]  ? __pfx_gfs2_fill_super+0x10/0x10
[  160.263027][ T6411]  ? sb_set_blocksize+0x155/0x240
[  160.263054][ T6411]  ? setup_bdev_super+0x4c1/0x5b0
[  160.263083][ T6411]  get_tree_bdev_flags+0x40e/0x4d0
[  160.263108][ T6411]  ? __pfx_gfs2_fill_super+0x10/0x10
[  160.263141][ T6411]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  160.263164][ T6411]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  160.263196][ T6411]  gfs2_get_tree+0x51/0x1e0
[  160.263232][ T6411]  vfs_get_tree+0x92/0x2b0
[  160.263260][ T6411]  do_new_mount+0x302/0xa10
[  160.263289][ T6411]  ? apparmor_capable+0x137/0x1b0
[  160.263321][ T6411]  ? __pfx_do_new_mount+0x10/0x10
[  160.263351][ T6411]  ? ns_capable+0x8a/0xf0
[  160.263382][ T6411]  ? kmem_cache_free+0x197/0x640
[  160.263419][ T6411]  __se_sys_mount+0x313/0x410
[  160.263456][ T6411]  ? __pfx___se_sys_mount+0x10/0x10
[  160.263490][ T6411]  ? do_syscall_64+0xbe/0xfa0
[  160.263508][ T6411]  ? __x64_sys_mount+0x20/0xc0
[  160.263541][ T6411]  do_syscall_64+0xfa/0xfa0
[  160.263569][ T6411]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  160.263590][ T6411]  ? clear_bhb_loop+0x60/0xb0
[  160.263616][ T6411]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  160.263636][ T6411] RIP: 0033:0x7fa3e8790eea
[  160.263655][ T6411] 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
[  160.263673][ T6411] RSP: 002b:00007fa3e9570e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  160.263696][ T6411] RAX: ffffffffffffffda RBX: 00007fa3e9570ef0 RCX: 00007fa3e8790eea
[  160.263712][ T6411] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fa3e9570eb0
[  160.263728][ T6411] RBP: 00002000000124c0 R08: 00007fa3e9570ef0 R09: 0000000000000000
[  160.263741][ T6411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  160.263754][ T6411] R13: 00007fa3e9570eb0 R14: 00000000000125c7 R15: 0000200000000180
[  160.263788][ T6411]  </TASK>
[  160.578992][ T6411] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  160.653020][ T6411] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  160.699766][ T6413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  160.708755][ T5956] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[  160.803051][ T6413] CPU: 0 UID: 0 PID: 6413 Comm: syz.4.87 Not tainted syzkaller #0 PREEMPT(full) 
[  160.803082][ T6413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  160.803096][ T6413] Call Trace:
[  160.803104][ T6413]  <TASK>
[  160.803113][ T6413]  dump_stack_lvl+0x189/0x250
[  160.803155][ T6413]  ? __pfx_dump_stack_lvl+0x10/0x10
[  160.803189][ T6413]  ? __pfx__printk+0x10/0x10
[  160.803225][ T6413]  ? kernfs_path_from_node+0x250/0x290
[  160.803252][ T6413]  ? kernfs_path_from_node+0x2f/0x290
[  160.803282][ T6413]  sysfs_create_dir_ns+0x259/0x280
[  160.803312][ T6413]  ? __pfx_sysfs_create_dir_ns+0x10/0x10
[  160.803340][ T6413]  ? do_raw_spin_unlock+0x122/0x240
[  160.803369][ T6413]  kobject_add_internal+0x59f/0xb70
[  160.803405][ T6413]  kobject_init_and_add+0x125/0x190
[  160.803436][ T6413]  ? __pfx_kobject_init_and_add+0x10/0x10
[  160.803471][ T6413]  ? __raw_spin_lock_init+0x45/0x100
[  160.803497][ T6413]  ? __init_swait_queue_head+0xa9/0x150
[  160.803524][ T6413]  gfs2_sys_fs_add+0x234/0x450
[  160.803555][ T6413]  ? __pfx_gfs2_sys_fs_add+0x10/0x10
[  160.803589][ T6413]  ? is_dynamic_key+0xd6/0x1c0
[  160.803617][ T6413]  ? __pfx_alloc_workqueue_noprof+0x10/0x10
[  160.803655][ T6413]  gfs2_fill_super+0x1388/0x21b0
[  160.803708][ T6413]  ? __pfx_gfs2_fill_super+0x10/0x10
[  160.803748][ T6413]  ? sb_set_blocksize+0x155/0x240
[  160.803776][ T6413]  ? setup_bdev_super+0x4c1/0x5b0
[  160.803806][ T6413]  get_tree_bdev_flags+0x40e/0x4d0
[  160.803831][ T6413]  ? __pfx_gfs2_fill_super+0x10/0x10
[  160.803865][ T6413]  ? __pfx_get_tree_bdev_flags+0x10/0x10
[  160.803889][ T6413]  ? __pfx_vfs_parse_comma_sep+0x10/0x10
[  160.803923][ T6413]  gfs2_get_tree+0x51/0x1e0
[  160.803961][ T6413]  vfs_get_tree+0x92/0x2b0
[  160.803994][ T6413]  do_new_mount+0x302/0xa10
[  160.804022][ T6413]  ? apparmor_capable+0x137/0x1b0
[  160.804058][ T6413]  ? __pfx_do_new_mount+0x10/0x10
[  160.804088][ T6413]  ? ns_capable+0x8a/0xf0
[  160.804120][ T6413]  ? kmem_cache_free+0x197/0x640
[  160.804159][ T6413]  __se_sys_mount+0x313/0x410
[  160.804197][ T6413]  ? __pfx___se_sys_mount+0x10/0x10
[  160.804233][ T6413]  ? do_syscall_64+0xbe/0xfa0
[  160.804252][ T6413]  ? __x64_sys_mount+0x20/0xc0
[  160.804286][ T6413]  do_syscall_64+0xfa/0xfa0
[  160.804308][ T6413]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  160.804329][ T6413]  ? clear_bhb_loop+0x60/0xb0
[  160.804356][ T6413]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  160.804377][ T6413] RIP: 0033:0x7f9a6a590eea
[  160.804397][ T6413] 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
[  160.804416][ T6413] RSP: 002b:00007f9a6b438e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  160.804444][ T6413] RAX: ffffffffffffffda RBX: 00007f9a6b438ef0 RCX: 00007f9a6a590eea
[  160.804460][ T6413] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007f9a6b438eb0
[  160.804475][ T6413] RBP: 00002000000124c0 R08: 00007f9a6b438ef0 R09: 0000000000000000
[  160.804490][ T6413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  160.804503][ T6413] R13: 00007f9a6b438eb0 R14: 00000000000125c7 R15: 0000200000000180
[  160.804539][ T6413]  </TASK>
[  160.806185][ T5956] gfs2: fsid=syz:syz.0: G:  s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[  160.983045][ T6413] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  161.145740][ T5956] gfs2: fsid=syz:syz.0:  H: s:EX f:H e:0 p:5956 [syz-executor] gfs2_quota_sync+0x359/0x460
[  161.164488][ T5956] gfs2: fsid=syz:syz.0:  I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[  161.179848][ T5956] CPU: 1 UID: 0 PID: 5956 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  161.179877][ T5956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  161.179890][ T5956] Call Trace:
[  161.179899][ T5956]  <TASK>
[  161.179907][ T5956]  dump_stack_lvl+0x189/0x250
[  161.179950][ T5956]  ? __pfx_dump_stack_lvl+0x10/0x10
[  161.179984][ T5956]  ? queue_delayed_work_on+0x11a/0x280
[  161.180016][ T5956]  ? lockdep_hardirqs_on+0x9c/0x150
[  161.180038][ T5956]  ? preempt_schedule+0xae/0xc0
[  161.180078][ T5956]  gfs2_withdraw+0xc3/0x1b0
[  161.180113][ T5956]  inode_go_instantiate+0xdd0/0x1210
[  161.180157][ T5956]  ? __pfx_inode_go_instantiate+0x10/0x10
[  161.180193][ T5956]  ? gfs2_glock_nq+0xedd/0x15f0
[  161.180222][ T5956]  gfs2_instantiate+0x168/0x220
[  161.180260][ T5956]  gfs2_glock_wait+0x1d4/0x2a0
[  161.180285][ T5956]  do_sync+0x46f/0xc60
[  161.180310][ T5956]  ? _raw_spin_unlock+0x28/0x50
[  161.180340][ T5956]  ? gfs2_quota_sync+0x359/0x460
[  161.180377][ T5956]  ? __pfx_do_sync+0x10/0x10
[  161.180415][ T5956]  ? gfs2_quota_sync+0x359/0x460
[  161.180447][ T5956]  ? do_raw_spin_unlock+0x122/0x240
[  161.180476][ T5956]  gfs2_quota_sync+0x359/0x460
[  161.180517][ T5956]  gfs2_sync_fs+0x4c/0xb0
[  161.180543][ T5956]  sync_filesystem+0xee/0x230
[  161.180568][ T5956]  generic_shutdown_super+0x6f/0x2c0
[  161.180594][ T5956]  kill_block_super+0x44/0x90
[  161.180620][ T5956]  deactivate_locked_super+0xbc/0x130
[  161.180652][ T5956]  cleanup_mnt+0x425/0x4c0
[  161.180675][ T5956]  ? lockdep_hardirqs_on+0x9c/0x150
[  161.180699][ T5956]  task_work_run+0x1d4/0x260
[  161.180725][ T5956]  ? __pfx_task_work_run+0x10/0x10
[  161.180755][ T5956]  ? exit_to_user_mode_loop+0x55/0x4f0
[  161.180789][ T5956]  exit_to_user_mode_loop+0xff/0x4f0
[  161.180816][ T5956]  ? rcu_is_watching+0x15/0xb0
[  161.180842][ T5956]  do_syscall_64+0x2e9/0xfa0
[  161.180863][ T5956]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  161.180885][ T5956]  ? clear_bhb_loop+0x60/0xb0
[  161.180911][ T5956]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  161.180932][ T5956] RIP: 0033:0x7fbe2bd90a77
[  161.180951][ T5956] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  161.180969][ T5956] RSP: 002b:00007fffc50f52f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  161.180992][ T5956] RAX: 0000000000000000 RBX: 00007fbe2be13d7d RCX: 00007fbe2bd90a77
[  161.181006][ T5956] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffc50f53b0
[  161.181019][ T5956] RBP: 00007fffc50f53b0 R08: 0000000000000000 R09: 0000000000000000
[  161.181033][ T5956] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffc50f6440
[  161.181047][ T5956] R13: 00007fbe2be13d7d R14: 000000000002646b R15: 00007fffc50f6480
[  161.181083][ T5956]  </TASK>
[  161.181092][ T5956] gfs2: fsid=syz:syz.0: about to withdraw this file system
[  161.224154][ T6413] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  161.484354][ T5956] ==================================================================
[  161.492482][ T5956] BUG: KASAN: slab-use-after-free in __list_add_valid_or_report+0x6a/0x130
[  161.501110][ T5956] Read of size 8 at addr ffff888073ad75b8 by task syz-executor/5956
[  161.509113][ T5956] 
[  161.511479][ T5956] CPU: 1 UID: 0 PID: 5956 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  161.511504][ T5956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  161.511518][ T5956] Call Trace:
[  161.511527][ T5956]  <TASK>
[  161.511536][ T5956]  dump_stack_lvl+0x189/0x250
[  161.511570][ T5956]  ? __virt_addr_valid+0x1c8/0x5c0
[  161.511593][ T5956]  ? rcu_is_watching+0x15/0xb0
[  161.511618][ T5956]  ? __pfx_dump_stack_lvl+0x10/0x10
[  161.511650][ T5956]  ? rcu_is_watching+0x15/0xb0
[  161.511668][ T5956]  ? lock_release+0x4b/0x3d0
[  161.511695][ T5956]  ? _raw_spin_lock_irqsave+0xb3/0xf0
[  161.511727][ T5956]  ? __virt_addr_valid+0x1c8/0x5c0
[  161.511748][ T5956]  ? __virt_addr_valid+0x4a5/0x5c0
[  161.511770][ T5956]  print_report+0xca/0x240
[  161.511798][ T5956]  ? __list_add_valid_or_report+0x6a/0x130
[  161.511824][ T5956]  kasan_report+0x118/0x150
[  161.511853][ T5956]  ? __list_add_valid_or_report+0x6a/0x130
[  161.511884][ T5956]  __list_add_valid_or_report+0x6a/0x130
[  161.511913][ T5956]  list_lru_add+0xf2/0x270
[  161.511942][ T5956]  qd_put+0x114/0x190
[  161.511970][ T5956]  gfs2_quota_sync+0x3c4/0x460
[  161.512002][ T5956]  gfs2_sync_fs+0x4c/0xb0
[  161.512025][ T5956]  sync_filesystem+0xee/0x230
[  161.512047][ T5956]  generic_shutdown_super+0x6f/0x2c0
[  161.512070][ T5956]  kill_block_super+0x44/0x90
[  161.512095][ T5956]  deactivate_locked_super+0xbc/0x130
[  161.512118][ T5956]  cleanup_mnt+0x425/0x4c0
[  161.512138][ T5956]  ? lockdep_hardirqs_on+0x9c/0x150
[  161.512160][ T5956]  task_work_run+0x1d4/0x260
[  161.512184][ T5956]  ? __pfx_task_work_run+0x10/0x10
[  161.512209][ T5956]  ? exit_to_user_mode_loop+0x55/0x4f0
[  161.512240][ T5956]  exit_to_user_mode_loop+0xff/0x4f0
[  161.512268][ T5956]  ? rcu_is_watching+0x15/0xb0
[  161.512289][ T5956]  do_syscall_64+0x2e9/0xfa0
[  161.512311][ T5956]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  161.512333][ T5956]  ? clear_bhb_loop+0x60/0xb0
[  161.512356][ T5956]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  161.512377][ T5956] RIP: 0033:0x7fbe2bd90a77
[  161.512396][ T5956] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  161.512415][ T5956] RSP: 002b:00007fffc50f52f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  161.512438][ T5956] RAX: 0000000000000000 RBX: 00007fbe2be13d7d RCX: 00007fbe2bd90a77
[  161.512453][ T5956] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffc50f53b0
[  161.512466][ T5956] RBP: 00007fffc50f53b0 R08: 0000000000000000 R09: 0000000000000000
[  161.512480][ T5956] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffc50f6440
[  161.512494][ T5956] R13: 00007fbe2be13d7d R14: 000000000002646b R15: 00007fffc50f6480
[  161.512519][ T5956]  </TASK>
[  161.512526][ T5956] 
[  161.573750][ T6420] loop2: detected capacity change from 0 to 32768
[  161.577872][ T5956] Allocated by task 6384:
[  161.577886][ T5956]  kasan_save_track+0x3e/0x80
[  161.795898][ T5956]  __kasan_slab_alloc+0x6c/0x80
[  161.800792][ T5956]  kmem_cache_alloc_noprof+0x37d/0x700
[  161.806292][ T5956]  qd_alloc+0x50/0x250
[  161.810398][ T5956]  gfs2_quota_init+0x762/0x1200
[  161.815281][ T5956]  gfs2_make_fs_rw+0x143/0x220
[  161.820071][ T5956]  gfs2_fill_super+0x1b6a/0x21b0
[  161.825053][ T5956]  get_tree_bdev_flags+0x40e/0x4d0
[  161.830201][ T5956]  gfs2_get_tree+0x51/0x1e0
[  161.834745][ T5956]  vfs_get_tree+0x92/0x2b0
[  161.839196][ T5956]  do_new_mount+0x302/0xa10
[  161.843741][ T5956]  __se_sys_mount+0x313/0x410
[  161.848452][ T5956]  do_syscall_64+0xfa/0xfa0
[  161.852983][ T5956]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  161.858907][ T5956] 
[  161.861259][ T5956] Freed by task 6027:
[  161.865254][ T5956]  kasan_save_track+0x3e/0x80
[  161.869965][ T5956]  kasan_save_free_info+0x46/0x50
[  161.875021][ T5956]  __kasan_slab_free+0x5c/0x80
[  161.879920][ T5956]  kmem_cache_free+0x197/0x640
[  161.884719][ T5956]  gfs2_qd_dealloc+0x70/0xe0
[  161.889342][ T5956]  rcu_core+0xcab/0x1770
[  161.893634][ T5956]  handle_softirqs+0x27d/0x880
[  161.898444][ T5956]  do_softirq+0xec/0x180
[  161.902727][ T5956]  __local_bh_enable_ip+0x17d/0x1c0
[  161.907964][ T5956]  srcu_invoke_callbacks+0x21b/0x450
[  161.913311][ T5956]  process_one_work+0x93a/0x15e0
[  161.918281][ T5956]  worker_thread+0x9b0/0xee0
[  161.922904][ T5956]  kthread+0x711/0x8a0
[  161.927007][ T5956]  ret_from_fork+0x599/0xb30
[  161.931630][ T5956]  ret_from_fork_asm+0x1a/0x30
[  161.936419][ T5956] 
[  161.938761][ T5956] Last potentially related work creation:
[  161.944559][ T5956]  kasan_save_stack+0x3e/0x60
[  161.949270][ T5956]  kasan_record_aux_stack+0xbd/0xd0
[  161.954625][ T5956]  call_rcu+0x157/0x9c0
[  161.958809][ T5956]  gfs2_quota_sync+0x30c/0x460
[  161.963605][ T5956]  gfs2_make_fs_ro+0x152/0x300
[  161.968401][ T5956]  gfs2_reconfigure+0x6a3/0xb20
[  161.973311][ T5956]  reconfigure_super+0x227/0x890
[  161.978297][ T5956]  path_mount+0xd29/0xff0
[  161.982695][ T5956]  __se_sys_mount+0x313/0x410
[  161.987416][ T5956]  do_syscall_64+0xfa/0xfa0
[  161.991950][ T5956]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  161.997885][ T5956] 
[  162.000280][ T5956] The buggy address belongs to the object at ffff888073ad7540
[  162.000280][ T5956]  which belongs to the cache gfs2_quotad of size 272
[  162.014627][ T5956] The buggy address is located 120 bytes inside of
[  162.014627][ T5956]  freed 272-byte region [ffff888073ad7540, ffff888073ad7650)
[  162.028542][ T5956] 
[  162.030884][ T5956] The buggy address belongs to the physical page:
[  162.037310][ T5956] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888073ad72a0 pfn:0x73ad7
[  162.047474][ T5956] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
[  162.054621][ T5956] page_type: f5(slab)
[  162.058617][ T5956] raw: 00fff00000000000 ffff8881412b8dc0 dead000000000122 0000000000000000
[  162.067209][ T5956] raw: ffff888073ad72a0 00000000800c0009 00000000f5000000 0000000000000000
[  162.075804][ T5956] page dumped because: kasan: bad access detected
[  162.082258][ T5956] page_owner tracks the page as allocated
[  162.087978][ T5956] page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x52c50(GFP_NOFS|__GFP_RECLAIMABLE|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 6105, tgid 6104 (syz.1.18), ts 118427262304, free_ts 31225116398
[  162.108586][ T5956]  post_alloc_hook+0x234/0x290
[  162.113404][ T5956]  get_page_from_freelist+0x2365/0x2440
[  162.118977][ T5956]  __alloc_frozen_pages_noprof+0x181/0x370
[  162.124884][ T5956]  alloc_pages_mpol+0x232/0x4a0
[  162.129744][ T5956]  allocate_slab+0x86/0x3b0
[  162.134253][ T5956]  ___slab_alloc+0xf56/0x1990
[  162.138960][ T5956]  __slab_alloc+0x65/0x100
[  162.143392][ T5956]  kmem_cache_alloc_noprof+0x40f/0x700
[  162.148877][ T5956]  qd_alloc+0x50/0x250
[  162.152953][ T5956]  gfs2_quota_init+0x762/0x1200
[  162.157823][ T5956]  gfs2_make_fs_rw+0x143/0x220
[  162.162611][ T5956]  gfs2_fill_super+0x1b6a/0x21b0
[  162.167584][ T5956]  get_tree_bdev_flags+0x40e/0x4d0
[  162.172727][ T5956]  gfs2_get_tree+0x51/0x1e0
[  162.177261][ T5956]  vfs_get_tree+0x92/0x2b0
[  162.181704][ T5956]  do_new_mount+0x302/0xa10
[  162.186227][ T5956] page last free pid 1 tgid 1 stack trace:
[  162.192043][ T5956]  __free_frozen_pages+0xbc8/0xd30
[  162.197254][ T5956]  free_contig_range+0x1bd/0x4a0
[  162.202220][ T5956]  destroy_args+0x69/0x660
[  162.206826][ T5956]  debug_vm_pgtable+0x38f/0x3a0
[  162.211689][ T5956]  do_one_initcall+0x1fb/0x870
[  162.216470][ T5956]  do_initcall_level+0x104/0x190
[  162.221425][ T5956]  do_initcalls+0x59/0xa0
[  162.225767][ T5956]  kernel_init_freeable+0x334/0x4b0
[  162.230988][ T5956]  kernel_init+0x1d/0x1d0
[  162.235329][ T5956]  ret_from_fork+0x599/0xb30
[  162.239927][ T5956]  ret_from_fork_asm+0x1a/0x30
[  162.244701][ T5956] 
[  162.247033][ T5956] Memory state around the buggy address:
[  162.252663][ T5956]  ffff888073ad7480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  162.260822][ T5956]  ffff888073ad7500: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[  162.268902][ T5956] >ffff888073ad7580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  162.276971][ T5956]                                         ^
[  162.282867][ T5956]  ffff888073ad7600: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[  162.290946][ T5956]  ffff888073ad7680: fc fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  162.299007][ T5956] ==================================================================
[  162.309179][ T5956] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[  162.316444][ T5956] CPU: 1 UID: 0 PID: 5956 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
[  162.325936][ T5956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  162.336031][ T5956] Call Trace:
[  162.339325][ T5956]  <TASK>
[  162.342262][ T5956]  dump_stack_lvl+0x99/0x250
[  162.346895][ T5956]  ? __asan_memcpy+0x40/0x70
[  162.351498][ T5956]  ? __pfx_dump_stack_lvl+0x10/0x10
[  162.356716][ T5956]  ? __pfx__printk+0x10/0x10
[  162.361455][ T5956]  vpanic+0x237/0x6d0
[  162.365443][ T5956]  ? __pfx_vpanic+0x10/0x10
[  162.369961][ T5956]  panic+0xb9/0xc0
[  162.373702][ T5956]  ? __pfx_panic+0x10/0x10
[  162.378145][ T5956]  ? _raw_spin_unlock_irqrestore+0xa8/0x110
[  162.384062][ T5956]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[  162.389980][ T5956]  ? is_module_address+0x17/0xf0
[  162.394936][ T5956]  ? __list_add_valid_or_report+0x6a/0x130
[  162.400768][ T5956]  check_panic_on_warn+0x89/0xb0
[  162.405718][ T5956]  ? __list_add_valid_or_report+0x6a/0x130
[  162.411537][ T5956]  end_report+0x6f/0x160
[  162.415837][ T5956]  kasan_report+0x129/0x150
[  162.420397][ T5956]  ? __list_add_valid_or_report+0x6a/0x130
[  162.426580][ T5956]  __list_add_valid_or_report+0x6a/0x130
[  162.432241][ T5956]  list_lru_add+0xf2/0x270
[  162.436678][ T5956]  qd_put+0x114/0x190
[  162.440678][ T5956]  gfs2_quota_sync+0x3c4/0x460
[  162.445491][ T5956]  gfs2_sync_fs+0x4c/0xb0
[  162.449838][ T5956]  sync_filesystem+0xee/0x230
[  162.454610][ T5956]  generic_shutdown_super+0x6f/0x2c0
[  162.459905][ T5956]  kill_block_super+0x44/0x90
[  162.464595][ T5956]  deactivate_locked_super+0xbc/0x130
[  162.469980][ T5956]  cleanup_mnt+0x425/0x4c0
[  162.474407][ T5956]  ? lockdep_hardirqs_on+0x9c/0x150
[  162.479619][ T5956]  task_work_run+0x1d4/0x260
[  162.484305][ T5956]  ? __pfx_task_work_run+0x10/0x10
[  162.489446][ T5956]  ? exit_to_user_mode_loop+0x55/0x4f0
[  162.494935][ T5956]  exit_to_user_mode_loop+0xff/0x4f0
[  162.500235][ T5956]  ? rcu_is_watching+0x15/0xb0
[  162.505007][ T5956]  do_syscall_64+0x2e9/0xfa0
[  162.509604][ T5956]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  162.515680][ T5956]  ? clear_bhb_loop+0x60/0xb0
[  162.520367][ T5956]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  162.526267][ T5956] RIP: 0033:0x7fbe2bd90a77
[  162.530692][ T5956] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[  162.550305][ T5956] RSP: 002b:00007fffc50f52f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  162.558728][ T5956] RAX: 0000000000000000 RBX: 00007fbe2be13d7d RCX: 00007fbe2bd90a77
[  162.566732][ T5956] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffc50f53b0
[  162.574712][ T5956] RBP: 00007fffc50f53b0 R08: 0000000000000000 R09: 0000000000000000
[  162.582694][ T5956] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffc50f6440
[  162.590675][ T5956] R13: 00007fbe2be13d7d R14: 000000000002646b R15: 00007fffc50f6480
[  162.598766][ T5956]  </TASK>
[  162.602076][ T5956] Kernel Offset: disabled
[  162.606415][ T5956] Rebooting in 86400 seconds..