[  220.412765][ T5442]  ? snprintf+0xe5/0x140
[  220.416991][ T5442]  ? __free_pages+0x95/0x1a0
[  220.421569][ T5442]  ? vscnprintf+0x80/0x80
[  220.425889][ T5442]  gfs2_fill_super+0x120f/0x1f00
[  220.430819][ T5442]  ? gfs2_reconfigure+0xd30/0xd30
[  220.435840][ T5442]  ? sb_set_blocksize+0xa5/0xe0
[  220.440671][ T5442]  get_tree_bdev+0x3f1/0x610
[  220.445255][ T5442]  ? gfs2_reconfigure+0xd30/0xd30
[  220.450261][ T5442]  gfs2_get_tree+0x4d/0x1e0
[  220.454748][ T5442]  vfs_get_tree+0x88/0x270
[  220.459157][ T5442]  do_new_mount+0x24a/0xa40
[  220.463648][ T5442]  __se_sys_mount+0x2e3/0x3d0
[  220.468310][ T5442]  ? __x64_sys_mount+0xc0/0xc0
[  220.473099][ T5442]  ? lockdep_hardirqs_on+0x94/0x140
[  220.478302][ T5442]  ? __x64_sys_mount+0x1c/0xc0
[  220.483154][ T5442]  do_syscall_64+0x4c/0xa0
[  220.487578][ T5442]  ? clear_bhb_loop+0x30/0x80
[  220.492274][ T5442]  ? clear_bhb_loop+0x30/0x80
[  220.496948][ T5442]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.502918][ T5442] RIP: 0033:0x7f0340398a8a
[  220.507338][ T5442] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  220.527031][ T5442] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.535451][ T5442] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  220.543578][ T5442] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  220.551531][ T5442] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  220.559488][ T5442] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  220.567461][ T5442] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  220.575420][ T5442]  </TASK>
[  220.585599][ T5442] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  220.600103][ T5442] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  220.915019][ T5444] loop1: detected capacity change from 0 to 32768
[  220.973442][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  220.981923][ T5444] CPU: 0 PID: 5444 Comm: syz.1.175 Not tainted syzkaller #0
[  220.989247][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  220.999313][ T5444] Call Trace:
[  221.002777][ T5444]  <TASK>
[  221.005714][ T5444]  dump_stack_lvl+0x188/0x250
[  221.010412][ T5444]  ? show_regs_print_info+0x20/0x20
[  221.015629][ T5444]  ? load_image+0x400/0x400
[  221.020160][ T5444]  sysfs_create_dir_ns+0x26a/0x290
[  221.025283][ T5444]  ? sysfs_warn_dup+0xa0/0xa0
[  221.029966][ T5444]  ? do_raw_spin_unlock+0x11d/0x230
[  221.035180][ T5444]  kobject_add_internal+0x6e0/0xd90
[  221.040394][ T5444]  kobject_init_and_add+0x128/0x190
[  221.045610][ T5444]  ? lockdep_softirqs_off+0x430/0x430
[  221.051105][ T5444]  ? kobject_add+0x230/0x230
[  221.055683][ T5444]  ? __init_swait_queue_head+0xa5/0x150
[  221.061213][ T5444]  gfs2_sys_fs_add+0x24f/0x4b0
[  221.065965][ T5444]  ? gfs2_recover_set+0x240/0x240
[  221.070972][ T5444]  ? snprintf+0xe5/0x140
[  221.075193][ T5444]  ? __free_pages+0x95/0x1a0
[  221.079764][ T5444]  ? vscnprintf+0x80/0x80
[  221.084081][ T5444]  gfs2_fill_super+0x120f/0x1f00
[  221.089009][ T5444]  ? gfs2_reconfigure+0xd30/0xd30
[  221.094196][ T5444]  ? sb_set_blocksize+0xa5/0xe0
[  221.099028][ T5444]  get_tree_bdev+0x3f1/0x610
[  221.103602][ T5444]  ? gfs2_reconfigure+0xd30/0xd30
[  221.108614][ T5444]  gfs2_get_tree+0x4d/0x1e0
[  221.113105][ T5444]  vfs_get_tree+0x88/0x270
[  221.117506][ T5444]  do_new_mount+0x24a/0xa40
[  221.121992][ T5444]  __se_sys_mount+0x2e3/0x3d0
[  221.126656][ T5444]  ? __x64_sys_mount+0xc0/0xc0
[  221.131421][ T5444]  ? lockdep_hardirqs_on+0x94/0x140
[  221.136607][ T5444]  ? __x64_sys_mount+0x1c/0xc0
[  221.141370][ T5444]  do_syscall_64+0x4c/0xa0
[  221.145767][ T5444]  ? clear_bhb_loop+0x30/0x80
[  221.150423][ T5444]  ? clear_bhb_loop+0x30/0x80
[  221.155082][ T5444]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.160968][ T5444] RIP: 0033:0x7f0340398a8a
[  221.165367][ T5444] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  221.184951][ T5444] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.193351][ T5444] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  221.201323][ T5444] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  221.209288][ T5444] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  221.217257][ T5444] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  221.225224][ T5444] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  221.233214][ T5444]  </TASK>
[  221.237558][ T5444] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  221.251631][ T5444] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  221.557988][ T5446] loop1: detected capacity change from 0 to 32768
[  221.668337][ T5446] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  221.676371][ T5446] CPU: 1 PID: 5446 Comm: syz.1.176 Not tainted syzkaller #0
[  221.683763][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  221.693822][ T5446] Call Trace:
[  221.697108][ T5446]  <TASK>
[  221.700045][ T5446]  dump_stack_lvl+0x188/0x250
[  221.704740][ T5446]  ? show_regs_print_info+0x20/0x20
[  221.709952][ T5446]  ? load_image+0x400/0x400
[  221.714478][ T5446]  sysfs_create_dir_ns+0x26a/0x290
[  221.719609][ T5446]  ? sysfs_warn_dup+0xa0/0xa0
[  221.724298][ T5446]  ? do_raw_spin_unlock+0x11d/0x230
[  221.729507][ T5446]  kobject_add_internal+0x6e0/0xd90
[  221.734724][ T5446]  kobject_init_and_add+0x128/0x190
[  221.740042][ T5446]  ? lockdep_softirqs_off+0x430/0x430
[  221.745402][ T5446]  ? kobject_add+0x230/0x230
[  221.750063][ T5446]  ? __init_swait_queue_head+0xa5/0x150
[  221.755615][ T5446]  gfs2_sys_fs_add+0x24f/0x4b0
[  221.760362][ T5446]  ? gfs2_recover_set+0x240/0x240
[  221.765365][ T5446]  ? snprintf+0xe5/0x140
[  221.769589][ T5446]  ? __free_pages+0x95/0x1a0
[  221.774160][ T5446]  ? vscnprintf+0x80/0x80
[  221.778574][ T5446]  gfs2_fill_super+0x120f/0x1f00
[  221.783518][ T5446]  ? gfs2_reconfigure+0xd30/0xd30
[  221.788536][ T5446]  ? sb_set_blocksize+0xa5/0xe0
[  221.793371][ T5446]  get_tree_bdev+0x3f1/0x610
[  221.797946][ T5446]  ? gfs2_reconfigure+0xd30/0xd30
[  221.802955][ T5446]  gfs2_get_tree+0x4d/0x1e0
[  221.807443][ T5446]  vfs_get_tree+0x88/0x270
[  221.811839][ T5446]  do_new_mount+0x24a/0xa40
[  221.816326][ T5446]  __se_sys_mount+0x2e3/0x3d0
[  221.820984][ T5446]  ? __x64_sys_mount+0xc0/0xc0
[  221.825731][ T5446]  ? lockdep_hardirqs_on+0x94/0x140
[  221.830919][ T5446]  ? __x64_sys_mount+0x1c/0xc0
[  221.835672][ T5446]  do_syscall_64+0x4c/0xa0
[  221.840071][ T5446]  ? clear_bhb_loop+0x30/0x80
[  221.844729][ T5446]  ? clear_bhb_loop+0x30/0x80
[  221.849394][ T5446]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.855284][ T5446] RIP: 0033:0x7f0340398a8a
[  221.859695][ T5446] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  221.876935][ T5071] Bluetooth: hci0: command 0x0406 tx timeout
[  221.879292][ T5446] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.893758][ T5446] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  221.901723][ T5446] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  221.909682][ T5446] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  221.917639][ T5446] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  221.925687][ T5446] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  221.933656][ T5446]  </TASK>
[  221.937750][ T5446] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  221.951798][ T5446] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  222.254246][ T5448] loop1: detected capacity change from 0 to 32768
[  222.358584][ T5448] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  222.366901][ T5448] CPU: 1 PID: 5448 Comm: syz.1.177 Not tainted syzkaller #0
[  222.374299][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  222.384371][ T5448] Call Trace:
[  222.387668][ T5448]  <TASK>
[  222.390613][ T5448]  dump_stack_lvl+0x188/0x250
[  222.395319][ T5448]  ? show_regs_print_info+0x20/0x20
[  222.400533][ T5448]  ? load_image+0x400/0x400
[  222.405055][ T5448]  sysfs_create_dir_ns+0x26a/0x290
[  222.410175][ T5448]  ? sysfs_warn_dup+0xa0/0xa0
[  222.414843][ T5448]  ? do_raw_spin_unlock+0x11d/0x230
[  222.420031][ T5448]  kobject_add_internal+0x6e0/0xd90
[  222.425225][ T5448]  kobject_init_and_add+0x128/0x190
[  222.430407][ T5448]  ? lockdep_softirqs_off+0x430/0x430
[  222.435858][ T5448]  ? kobject_add+0x230/0x230
[  222.440441][ T5448]  ? __init_swait_queue_head+0xa5/0x150
[  222.445984][ T5448]  gfs2_sys_fs_add+0x24f/0x4b0
[  222.450744][ T5448]  ? gfs2_recover_set+0x240/0x240
[  222.455758][ T5448]  ? snprintf+0xe5/0x140
[  222.460112][ T5448]  ? __free_pages+0x95/0x1a0
[  222.464700][ T5448]  ? vscnprintf+0x80/0x80
[  222.469102][ T5448]  gfs2_fill_super+0x120f/0x1f00
[  222.474036][ T5448]  ? gfs2_reconfigure+0xd30/0xd30
[  222.479065][ T5448]  ? sb_set_blocksize+0xa5/0xe0
[  222.483907][ T5448]  get_tree_bdev+0x3f1/0x610
[  222.488487][ T5448]  ? gfs2_reconfigure+0xd30/0xd30
[  222.493500][ T5448]  gfs2_get_tree+0x4d/0x1e0
[  222.497994][ T5448]  vfs_get_tree+0x88/0x270
[  222.502400][ T5448]  do_new_mount+0x24a/0xa40
[  222.506903][ T5448]  __se_sys_mount+0x2e3/0x3d0
[  222.511595][ T5448]  ? __x64_sys_mount+0xc0/0xc0
[  222.516371][ T5448]  ? lockdep_hardirqs_on+0x94/0x140
[  222.521564][ T5448]  ? __x64_sys_mount+0x1c/0xc0
[  222.526319][ T5448]  do_syscall_64+0x4c/0xa0
[  222.530728][ T5448]  ? clear_bhb_loop+0x30/0x80
[  222.535404][ T5448]  ? clear_bhb_loop+0x30/0x80
[  222.540071][ T5448]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.546040][ T5448] RIP: 0033:0x7f0340398a8a
[  222.550448][ T5448] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  222.570042][ T5448] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.578573][ T5448] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  222.586536][ T5448] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  222.594507][ T5448] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  222.602468][ T5448] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  222.610517][ T5448] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  222.618575][ T5448]  </TASK>
[  222.622699][ T5448] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  222.637193][ T5448] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  222.936195][ T5450] loop1: detected capacity change from 0 to 32768
[  222.981196][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  222.994658][ T5450] CPU: 1 PID: 5450 Comm: syz.1.178 Not tainted syzkaller #0
[  223.001991][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  223.012074][ T5450] Call Trace:
[  223.015373][ T5450]  <TASK>
[  223.018309][ T5450]  dump_stack_lvl+0x188/0x250
[  223.023016][ T5450]  ? show_regs_print_info+0x20/0x20
[  223.028235][ T5450]  ? load_image+0x400/0x400
[  223.032761][ T5450]  sysfs_create_dir_ns+0x26a/0x290
[  223.037891][ T5450]  ? sysfs_warn_dup+0xa0/0xa0
[  223.042584][ T5450]  ? do_raw_spin_unlock+0x11d/0x230
[  223.047803][ T5450]  kobject_add_internal+0x6e0/0xd90
[  223.053023][ T5450]  kobject_init_and_add+0x128/0x190
[  223.058252][ T5450]  ? lockdep_softirqs_off+0x430/0x430
[  223.063638][ T5450]  ? kobject_add+0x230/0x230
[  223.068217][ T5450]  ? __init_swait_queue_head+0xa5/0x150
[  223.073771][ T5450]  gfs2_sys_fs_add+0x24f/0x4b0
[  223.078523][ T5450]  ? gfs2_recover_set+0x240/0x240
[  223.083535][ T5450]  ? snprintf+0xe5/0x140
[  223.087766][ T5450]  ? __free_pages+0x95/0x1a0
[  223.092355][ T5450]  ? vscnprintf+0x80/0x80
[  223.096689][ T5450]  gfs2_fill_super+0x120f/0x1f00
[  223.101657][ T5450]  ? gfs2_reconfigure+0xd30/0xd30
[  223.106683][ T5450]  ? sb_set_blocksize+0xa5/0xe0
[  223.111517][ T5450]  get_tree_bdev+0x3f1/0x610
[  223.116103][ T5450]  ? gfs2_reconfigure+0xd30/0xd30
[  223.121113][ T5450]  gfs2_get_tree+0x4d/0x1e0
[  223.125601][ T5450]  vfs_get_tree+0x88/0x270
[  223.129999][ T5450]  do_new_mount+0x24a/0xa40
[  223.134489][ T5450]  __se_sys_mount+0x2e3/0x3d0
[  223.139184][ T5450]  ? __x64_sys_mount+0xc0/0xc0
[  223.143945][ T5450]  ? lockdep_hardirqs_on+0x94/0x140
[  223.149136][ T5450]  ? __x64_sys_mount+0x1c/0xc0
[  223.153893][ T5450]  do_syscall_64+0x4c/0xa0
[  223.158308][ T5450]  ? clear_bhb_loop+0x30/0x80
[  223.162981][ T5450]  ? clear_bhb_loop+0x30/0x80
[  223.167643][ T5450]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.173517][ T5450] RIP: 0033:0x7f0340398a8a
[  223.178027][ T5450] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  223.197618][ T5450] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.206032][ T5450] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  223.213997][ T5450] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  223.221973][ T5450] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  223.229932][ T5450] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  223.237906][ T5450] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  223.245867][ T5450]  </TASK>
[  223.249937][ T5450] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  223.263989][ T5450] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/05/22 15:05:43 executed programs: 164
[  223.556119][ T5452] loop1: detected capacity change from 0 to 32768
[  223.606167][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  223.616716][ T5452] CPU: 0 PID: 5452 Comm: syz.1.179 Not tainted syzkaller #0
[  223.624031][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  223.634098][ T5452] Call Trace:
[  223.637403][ T5452]  <TASK>
[  223.640340][ T5452]  dump_stack_lvl+0x188/0x250
[  223.645033][ T5452]  ? show_regs_print_info+0x20/0x20
[  223.650240][ T5452]  ? load_image+0x400/0x400
[  223.654761][ T5452]  sysfs_create_dir_ns+0x26a/0x290
[  223.659884][ T5452]  ? sysfs_warn_dup+0xa0/0xa0
[  223.664602][ T5452]  ? do_raw_spin_unlock+0x11d/0x230
[  223.669816][ T5452]  kobject_add_internal+0x6e0/0xd90
[  223.675044][ T5452]  kobject_init_and_add+0x128/0x190
[  223.680252][ T5452]  ? lockdep_softirqs_off+0x430/0x430
[  223.685736][ T5452]  ? kobject_add+0x230/0x230
[  223.690338][ T5452]  ? __init_swait_queue_head+0xa5/0x150
[  223.695901][ T5452]  gfs2_sys_fs_add+0x24f/0x4b0
[  223.700765][ T5452]  ? gfs2_recover_set+0x240/0x240
[  223.705878][ T5452]  ? snprintf+0xe5/0x140
[  223.710116][ T5452]  ? __free_pages+0x95/0x1a0
[  223.714692][ T5452]  ? vscnprintf+0x80/0x80
[  223.719004][ T5452]  gfs2_fill_super+0x120f/0x1f00
[  223.723930][ T5452]  ? gfs2_reconfigure+0xd30/0xd30
[  223.728941][ T5452]  ? sb_set_blocksize+0xa5/0xe0
[  223.733771][ T5452]  get_tree_bdev+0x3f1/0x610
[  223.738343][ T5452]  ? gfs2_reconfigure+0xd30/0xd30
[  223.743350][ T5452]  gfs2_get_tree+0x4d/0x1e0
[  223.747843][ T5452]  vfs_get_tree+0x88/0x270
[  223.752260][ T5452]  do_new_mount+0x24a/0xa40
[  223.756745][ T5452]  __se_sys_mount+0x2e3/0x3d0
[  223.761417][ T5452]  ? __x64_sys_mount+0xc0/0xc0
[  223.766180][ T5452]  ? lockdep_hardirqs_on+0x94/0x140
[  223.771374][ T5452]  ? __x64_sys_mount+0x1c/0xc0
[  223.776136][ T5452]  do_syscall_64+0x4c/0xa0
[  223.780707][ T5452]  ? clear_bhb_loop+0x30/0x80
[  223.785365][ T5452]  ? clear_bhb_loop+0x30/0x80
[  223.790024][ T5452]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.795896][ T5452] RIP: 0033:0x7f0340398a8a
[  223.800296][ T5452] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  223.820235][ T5452] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.828667][ T5452] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  223.836629][ T5452] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  223.844673][ T5452] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  223.852915][ T5452] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  223.860878][ T5452] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  223.868848][ T5452]  </TASK>
[  223.873058][ T5452] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  223.887380][ T5452] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  224.179140][ T5454] loop1: detected capacity change from 0 to 32768
[  224.226724][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  224.234850][ T5454] CPU: 0 PID: 5454 Comm: syz.1.180 Not tainted syzkaller #0
[  224.242149][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  224.252214][ T5454] Call Trace:
[  224.255504][ T5454]  <TASK>
[  224.258442][ T5454]  dump_stack_lvl+0x188/0x250
[  224.263134][ T5454]  ? show_regs_print_info+0x20/0x20
[  224.268340][ T5454]  ? load_image+0x400/0x400
[  224.272866][ T5454]  sysfs_create_dir_ns+0x26a/0x290
[  224.278029][ T5454]  ? sysfs_warn_dup+0xa0/0xa0
[  224.282721][ T5454]  ? do_raw_spin_unlock+0x11d/0x230
[  224.288057][ T5454]  kobject_add_internal+0x6e0/0xd90
[  224.293277][ T5454]  kobject_init_and_add+0x128/0x190
[  224.298928][ T5454]  ? lockdep_softirqs_off+0x430/0x430
[  224.304313][ T5454]  ? kobject_add+0x230/0x230
[  224.308931][ T5454]  ? __init_swait_queue_head+0xa5/0x150
[  224.314469][ T5454]  gfs2_sys_fs_add+0x24f/0x4b0
[  224.319225][ T5454]  ? gfs2_recover_set+0x240/0x240
[  224.324249][ T5454]  ? snprintf+0xe5/0x140
[  224.328476][ T5454]  ? __free_pages+0x95/0x1a0
[  224.333180][ T5454]  ? vscnprintf+0x80/0x80
[  224.337502][ T5454]  gfs2_fill_super+0x120f/0x1f00
[  224.342429][ T5454]  ? gfs2_reconfigure+0xd30/0xd30
[  224.347480][ T5454]  ? sb_set_blocksize+0xa5/0xe0
[  224.352320][ T5454]  get_tree_bdev+0x3f1/0x610
[  224.356910][ T5454]  ? gfs2_reconfigure+0xd30/0xd30
[  224.361936][ T5454]  gfs2_get_tree+0x4d/0x1e0
[  224.366446][ T5454]  vfs_get_tree+0x88/0x270
[  224.370874][ T5454]  do_new_mount+0x24a/0xa40
[  224.375403][ T5454]  __se_sys_mount+0x2e3/0x3d0
[  224.380172][ T5454]  ? __x64_sys_mount+0xc0/0xc0
[  224.384958][ T5454]  ? lockdep_hardirqs_on+0x94/0x140
[  224.390158][ T5454]  ? __x64_sys_mount+0x1c/0xc0
[  224.394935][ T5454]  do_syscall_64+0x4c/0xa0
[  224.399346][ T5454]  ? clear_bhb_loop+0x30/0x80
[  224.404011][ T5454]  ? clear_bhb_loop+0x30/0x80
[  224.408672][ T5454]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.414551][ T5454] RIP: 0033:0x7f0340398a8a
[  224.418956][ T5454] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  224.438740][ T5454] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.447276][ T5454] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  224.455242][ T5454] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  224.463205][ T5454] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  224.471183][ T5454] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  224.479345][ T5454] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  224.487319][ T5454]  </TASK>
[  224.492331][ T5454] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  224.506192][ T5454] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  224.801233][ T5456] loop1: detected capacity change from 0 to 32768
[  224.844964][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  224.853087][ T5456] CPU: 0 PID: 5456 Comm: syz.1.181 Not tainted syzkaller #0
[  224.860385][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  224.870452][ T5456] Call Trace:
[  224.873738][ T5456]  <TASK>
[  224.876678][ T5456]  dump_stack_lvl+0x188/0x250
[  224.881372][ T5456]  ? show_regs_print_info+0x20/0x20
[  224.886592][ T5456]  ? load_image+0x400/0x400
[  224.891121][ T5456]  sysfs_create_dir_ns+0x26a/0x290
[  224.896243][ T5456]  ? sysfs_warn_dup+0xa0/0xa0
[  224.900932][ T5456]  ? do_raw_spin_unlock+0x11d/0x230
[  224.906143][ T5456]  kobject_add_internal+0x6e0/0xd90
[  224.911359][ T5456]  kobject_init_and_add+0x128/0x190
[  224.916566][ T5456]  ? lockdep_softirqs_off+0x430/0x430
[  224.921953][ T5456]  ? kobject_add+0x230/0x230
[  224.926558][ T5456]  ? __init_swait_queue_head+0xa5/0x150
[  224.932199][ T5456]  gfs2_sys_fs_add+0x24f/0x4b0
[  224.936953][ T5456]  ? gfs2_recover_set+0x240/0x240
[  224.941956][ T5456]  ? snprintf+0xe5/0x140
[  224.946174][ T5456]  ? __free_pages+0x95/0x1a0
[  224.950763][ T5456]  ? vscnprintf+0x80/0x80
[  224.955079][ T5456]  gfs2_fill_super+0x120f/0x1f00
[  224.960004][ T5456]  ? gfs2_reconfigure+0xd30/0xd30
[  224.965110][ T5456]  ? sb_set_blocksize+0xa5/0xe0
[  224.969992][ T5456]  get_tree_bdev+0x3f1/0x610
[  224.974564][ T5456]  ? gfs2_reconfigure+0xd30/0xd30
[  224.979573][ T5456]  gfs2_get_tree+0x4d/0x1e0
[  224.984057][ T5456]  vfs_get_tree+0x88/0x270
[  224.988462][ T5456]  do_new_mount+0x24a/0xa40
[  224.992986][ T5456]  __se_sys_mount+0x2e3/0x3d0
[  224.997655][ T5456]  ? __x64_sys_mount+0xc0/0xc0
[  225.002408][ T5456]  ? lockdep_hardirqs_on+0x94/0x140
[  225.007594][ T5456]  ? __x64_sys_mount+0x1c/0xc0
[  225.012362][ T5456]  do_syscall_64+0x4c/0xa0
[  225.016760][ T5456]  ? clear_bhb_loop+0x30/0x80
[  225.021460][ T5456]  ? clear_bhb_loop+0x30/0x80
[  225.026115][ T5456]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.032195][ T5456] RIP: 0033:0x7f0340398a8a
[  225.036601][ T5456] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  225.056207][ T5456] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.064606][ T5456] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  225.072559][ T5456] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  225.080545][ T5456] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  225.088504][ T5456] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  225.096485][ T5456] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  225.104464][ T5456]  </TASK>
[  225.111029][ T5456] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  225.124824][ T5456] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  225.433871][ T5458] loop1: detected capacity change from 0 to 32768
[  225.476941][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  225.486052][ T5458] CPU: 1 PID: 5458 Comm: syz.1.182 Not tainted syzkaller #0
[  225.493359][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  225.503424][ T5458] Call Trace:
[  225.506801][ T5458]  <TASK>
[  225.509733][ T5458]  dump_stack_lvl+0x188/0x250
[  225.514427][ T5458]  ? show_regs_print_info+0x20/0x20
[  225.519642][ T5458]  ? load_image+0x400/0x400
[  225.524175][ T5458]  sysfs_create_dir_ns+0x26a/0x290
[  225.529303][ T5458]  ? sysfs_warn_dup+0xa0/0xa0
[  225.533991][ T5458]  ? do_raw_spin_unlock+0x11d/0x230
[  225.539216][ T5458]  kobject_add_internal+0x6e0/0xd90
[  225.544431][ T5458]  kobject_init_and_add+0x128/0x190
[  225.549651][ T5458]  ? lockdep_softirqs_off+0x430/0x430
[  225.555034][ T5458]  ? kobject_add+0x230/0x230
[  225.559642][ T5458]  ? __init_swait_queue_head+0xa5/0x150
[  225.565175][ T5458]  gfs2_sys_fs_add+0x24f/0x4b0
[  225.569929][ T5458]  ? gfs2_recover_set+0x240/0x240
[  225.575047][ T5458]  ? snprintf+0xe5/0x140
[  225.579270][ T5458]  ? __free_pages+0x95/0x1a0
[  225.583864][ T5458]  ? vscnprintf+0x80/0x80
[  225.588187][ T5458]  gfs2_fill_super+0x120f/0x1f00
[  225.593162][ T5458]  ? gfs2_reconfigure+0xd30/0xd30
[  225.598206][ T5458]  ? sb_set_blocksize+0xa5/0xe0
[  225.603162][ T5458]  get_tree_bdev+0x3f1/0x610
[  225.607741][ T5458]  ? gfs2_reconfigure+0xd30/0xd30
[  225.612765][ T5458]  gfs2_get_tree+0x4d/0x1e0
[  225.617293][ T5458]  vfs_get_tree+0x88/0x270
[  225.621692][ T5458]  do_new_mount+0x24a/0xa40
[  225.626175][ T5458]  __se_sys_mount+0x2e3/0x3d0
[  225.630832][ T5458]  ? __x64_sys_mount+0xc0/0xc0
[  225.635579][ T5458]  ? lockdep_hardirqs_on+0x94/0x140
[  225.640816][ T5458]  ? __x64_sys_mount+0x1c/0xc0
[  225.645564][ T5458]  do_syscall_64+0x4c/0xa0
[  225.649968][ T5458]  ? clear_bhb_loop+0x30/0x80
[  225.654628][ T5458]  ? clear_bhb_loop+0x30/0x80
[  225.659286][ T5458]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.665363][ T5458] RIP: 0033:0x7f0340398a8a
[  225.669784][ T5458] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  225.689390][ T5458] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.697968][ T5458] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  225.705941][ T5458] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  225.713906][ T5458] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  225.721964][ T5458] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  225.730126][ T5458] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  225.738089][ T5458]  </TASK>
[  225.742348][ T5458] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  225.756118][ T5458] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  226.069059][ T5460] loop1: detected capacity change from 0 to 32768
[  226.116422][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  226.125259][ T5460] CPU: 0 PID: 5460 Comm: syz.1.183 Not tainted syzkaller #0
[  226.132581][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  226.142651][ T5460] Call Trace:
[  226.145933][ T5460]  <TASK>
[  226.148869][ T5460]  dump_stack_lvl+0x188/0x250
[  226.153649][ T5460]  ? show_regs_print_info+0x20/0x20
[  226.158864][ T5460]  ? load_image+0x400/0x400
[  226.163387][ T5460]  sysfs_create_dir_ns+0x26a/0x290
[  226.168514][ T5460]  ? sysfs_warn_dup+0xa0/0xa0
[  226.173212][ T5460]  ? do_raw_spin_unlock+0x11d/0x230
[  226.178423][ T5460]  kobject_add_internal+0x6e0/0xd90
[  226.183652][ T5460]  kobject_init_and_add+0x128/0x190
[  226.188962][ T5460]  ? lockdep_softirqs_off+0x430/0x430
[  226.194323][ T5460]  ? kobject_add+0x230/0x230
[  226.198896][ T5460]  ? __init_swait_queue_head+0xa5/0x150
[  226.204439][ T5460]  gfs2_sys_fs_add+0x24f/0x4b0
[  226.209194][ T5460]  ? gfs2_recover_set+0x240/0x240
[  226.214228][ T5460]  ? snprintf+0xe5/0x140
[  226.218554][ T5460]  ? __free_pages+0x95/0x1a0
[  226.223157][ T5460]  ? vscnprintf+0x80/0x80
[  226.227480][ T5460]  gfs2_fill_super+0x120f/0x1f00
[  226.232418][ T5460]  ? gfs2_reconfigure+0xd30/0xd30
[  226.237533][ T5460]  ? sb_set_blocksize+0xa5/0xe0
[  226.242373][ T5460]  get_tree_bdev+0x3f1/0x610
[  226.246979][ T5460]  ? gfs2_reconfigure+0xd30/0xd30
[  226.252096][ T5460]  gfs2_get_tree+0x4d/0x1e0
[  226.256593][ T5460]  vfs_get_tree+0x88/0x270
[  226.261048][ T5460]  do_new_mount+0x24a/0xa40
[  226.265544][ T5460]  __se_sys_mount+0x2e3/0x3d0
[  226.270210][ T5460]  ? __x64_sys_mount+0xc0/0xc0
[  226.274964][ T5460]  ? lockdep_hardirqs_on+0x94/0x140
[  226.280147][ T5460]  ? __x64_sys_mount+0x1c/0xc0
[  226.285047][ T5460]  do_syscall_64+0x4c/0xa0
[  226.289463][ T5460]  ? clear_bhb_loop+0x30/0x80
[  226.294145][ T5460]  ? clear_bhb_loop+0x30/0x80
[  226.298807][ T5460]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.304864][ T5460] RIP: 0033:0x7f0340398a8a
[  226.309262][ T5460] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  226.328854][ T5460] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.337255][ T5460] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  226.345211][ T5460] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  226.353179][ T5460] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  226.361227][ T5460] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  226.369371][ T5460] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  226.377432][ T5460]  </TASK>
[  226.381749][ T5460] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  226.395791][ T5460] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  226.685728][ T5462] loop1: detected capacity change from 0 to 32768
[  226.731186][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  226.746051][ T5462] CPU: 0 PID: 5462 Comm: syz.1.184 Not tainted syzkaller #0
[  226.753394][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  226.763466][ T5462] Call Trace:
[  226.766755][ T5462]  <TASK>
[  226.769693][ T5462]  dump_stack_lvl+0x188/0x250
[  226.774382][ T5462]  ? show_regs_print_info+0x20/0x20
[  226.779586][ T5462]  ? load_image+0x400/0x400
[  226.784127][ T5462]  sysfs_create_dir_ns+0x26a/0x290
[  226.789288][ T5462]  ? sysfs_warn_dup+0xa0/0xa0
[  226.793988][ T5462]  ? do_raw_spin_unlock+0x11d/0x230
[  226.799197][ T5462]  kobject_add_internal+0x6e0/0xd90
[  226.804412][ T5462]  kobject_init_and_add+0x128/0x190
[  226.809624][ T5462]  ? lockdep_softirqs_off+0x430/0x430
[  226.815012][ T5462]  ? kobject_add+0x230/0x230
[  226.820112][ T5462]  ? __init_swait_queue_head+0xa5/0x150
[  226.825671][ T5462]  gfs2_sys_fs_add+0x24f/0x4b0
[  226.830517][ T5462]  ? gfs2_recover_set+0x240/0x240
[  226.835556][ T5462]  ? snprintf+0xe5/0x140
[  226.839963][ T5462]  ? __free_pages+0x95/0x1a0
[  226.844555][ T5462]  ? vscnprintf+0x80/0x80
[  226.848888][ T5462]  gfs2_fill_super+0x120f/0x1f00
[  226.853904][ T5462]  ? gfs2_reconfigure+0xd30/0xd30
[  226.858926][ T5462]  ? sb_set_blocksize+0xa5/0xe0
[  226.863772][ T5462]  get_tree_bdev+0x3f1/0x610
[  226.868463][ T5462]  ? gfs2_reconfigure+0xd30/0xd30
[  226.873486][ T5462]  gfs2_get_tree+0x4d/0x1e0
[  226.877984][ T5462]  vfs_get_tree+0x88/0x270
[  226.882399][ T5462]  do_new_mount+0x24a/0xa40
[  226.887010][ T5462]  __se_sys_mount+0x2e3/0x3d0
[  226.891694][ T5462]  ? __x64_sys_mount+0xc0/0xc0
[  226.896531][ T5462]  ? lockdep_hardirqs_on+0x94/0x140
[  226.901731][ T5462]  ? __x64_sys_mount+0x1c/0xc0
[  226.906588][ T5462]  do_syscall_64+0x4c/0xa0
[  226.910996][ T5462]  ? clear_bhb_loop+0x30/0x80
[  226.915830][ T5462]  ? clear_bhb_loop+0x30/0x80
[  226.920625][ T5462]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.926510][ T5462] RIP: 0033:0x7f0340398a8a
[  226.930916][ T5462] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  226.950609][ T5462] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.959012][ T5462] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  226.966985][ T5462] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  226.974940][ T5462] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  226.982894][ T5462] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  226.991252][ T5462] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  226.999237][ T5462]  </TASK>
[  227.003429][ T5462] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  227.017197][ T5462] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  227.305404][ T5464] loop1: detected capacity change from 0 to 32768
[  227.356881][ T5464] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  227.364926][ T5464] CPU: 1 PID: 5464 Comm: syz.1.185 Not tainted syzkaller #0
[  227.372224][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  227.382297][ T5464] Call Trace:
[  227.385591][ T5464]  <TASK>
[  227.388527][ T5464]  dump_stack_lvl+0x188/0x250
[  227.393237][ T5464]  ? show_regs_print_info+0x20/0x20
[  227.398447][ T5464]  ? load_image+0x400/0x400
[  227.402976][ T5464]  sysfs_create_dir_ns+0x26a/0x290
[  227.408112][ T5464]  ? sysfs_warn_dup+0xa0/0xa0
[  227.412804][ T5464]  ? do_raw_spin_unlock+0x11d/0x230
[  227.418024][ T5464]  kobject_add_internal+0x6e0/0xd90
[  227.423241][ T5464]  kobject_init_and_add+0x128/0x190
[  227.428452][ T5464]  ? lockdep_softirqs_off+0x430/0x430
[  227.434047][ T5464]  ? kobject_add+0x230/0x230
[  227.438633][ T5464]  ? __init_swait_queue_head+0xa5/0x150
[  227.444258][ T5464]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.449010][ T5464]  ? gfs2_recover_set+0x240/0x240
[  227.454017][ T5464]  ? snprintf+0xe5/0x140
[  227.458241][ T5464]  ? __free_pages+0x95/0x1a0
[  227.462910][ T5464]  ? vscnprintf+0x80/0x80
[  227.467236][ T5464]  gfs2_fill_super+0x120f/0x1f00
[  227.472166][ T5464]  ? gfs2_reconfigure+0xd30/0xd30
[  227.477301][ T5464]  ? sb_set_blocksize+0xa5/0xe0
[  227.482134][ T5464]  get_tree_bdev+0x3f1/0x610
[  227.486708][ T5464]  ? gfs2_reconfigure+0xd30/0xd30
[  227.491717][ T5464]  gfs2_get_tree+0x4d/0x1e0
[  227.496220][ T5464]  vfs_get_tree+0x88/0x270
[  227.500624][ T5464]  do_new_mount+0x24a/0xa40
[  227.505129][ T5464]  __se_sys_mount+0x2e3/0x3d0
[  227.509803][ T5464]  ? __x64_sys_mount+0xc0/0xc0
[  227.514562][ T5464]  ? lockdep_hardirqs_on+0x94/0x140
[  227.519750][ T5464]  ? __x64_sys_mount+0x1c/0xc0
[  227.524596][ T5464]  do_syscall_64+0x4c/0xa0
[  227.528996][ T5464]  ? clear_bhb_loop+0x30/0x80
[  227.533653][ T5464]  ? clear_bhb_loop+0x30/0x80
[  227.538324][ T5464]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.544202][ T5464] RIP: 0033:0x7f0340398a8a
[  227.548689][ T5464] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  227.568301][ T5464] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.576789][ T5464] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  227.584748][ T5464] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  227.592809][ T5464] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  227.600766][ T5464] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  227.608722][ T5464] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  227.616698][ T5464]  </TASK>
[  227.621536][ T5464] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  227.635397][ T5464] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  227.942280][ T5466] loop1: detected capacity change from 0 to 32768
[  227.986780][ T5466] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  227.994805][ T5466] CPU: 1 PID: 5466 Comm: syz.1.186 Not tainted syzkaller #0
[  228.002104][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  228.012175][ T5466] Call Trace:
[  228.015464][ T5466]  <TASK>
[  228.018396][ T5466]  dump_stack_lvl+0x188/0x250
[  228.023088][ T5466]  ? show_regs_print_info+0x20/0x20
[  228.028304][ T5466]  ? load_image+0x400/0x400
[  228.032832][ T5466]  sysfs_create_dir_ns+0x26a/0x290
[  228.037969][ T5466]  ? sysfs_warn_dup+0xa0/0xa0
[  228.042663][ T5466]  ? do_raw_spin_unlock+0x11d/0x230
[  228.047882][ T5466]  kobject_add_internal+0x6e0/0xd90
[  228.053113][ T5466]  kobject_init_and_add+0x128/0x190
[  228.058326][ T5466]  ? lockdep_softirqs_off+0x430/0x430
[  228.063710][ T5466]  ? kobject_add+0x230/0x230
[  228.068296][ T5466]  ? __init_swait_queue_head+0xa5/0x150
[  228.073832][ T5466]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.078589][ T5466]  ? gfs2_recover_set+0x240/0x240
[  228.083597][ T5466]  ? snprintf+0xe5/0x140
[  228.087822][ T5466]  ? __free_pages+0x95/0x1a0
[  228.092484][ T5466]  ? vscnprintf+0x80/0x80
[  228.096808][ T5466]  gfs2_fill_super+0x120f/0x1f00
[  228.101770][ T5466]  ? gfs2_reconfigure+0xd30/0xd30
[  228.106799][ T5466]  ? sb_set_blocksize+0xa5/0xe0
[  228.111630][ T5466]  get_tree_bdev+0x3f1/0x610
[  228.116203][ T5466]  ? gfs2_reconfigure+0xd30/0xd30
[  228.121208][ T5466]  gfs2_get_tree+0x4d/0x1e0
[  228.125697][ T5466]  vfs_get_tree+0x88/0x270
[  228.130094][ T5466]  do_new_mount+0x24a/0xa40
[  228.134579][ T5466]  __se_sys_mount+0x2e3/0x3d0
[  228.139241][ T5466]  ? __x64_sys_mount+0xc0/0xc0
[  228.143987][ T5466]  ? lockdep_hardirqs_on+0x94/0x140
[  228.149166][ T5466]  ? __x64_sys_mount+0x1c/0xc0
[  228.153915][ T5466]  do_syscall_64+0x4c/0xa0
[  228.158312][ T5466]  ? clear_bhb_loop+0x30/0x80
[  228.162967][ T5466]  ? clear_bhb_loop+0x30/0x80
[  228.167626][ T5466]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.173500][ T5466] RIP: 0033:0x7f0340398a8a
[  228.177912][ T5466] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  228.197502][ T5466] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.206011][ T5466] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  228.213965][ T5466] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  228.221921][ T5466] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  228.229887][ T5466] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  228.237870][ T5466] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  228.245845][ T5466]  </TASK>
[  228.249967][ T5466] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  228.263842][ T5466] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  228.544929][ T5468] loop1: detected capacity change from 0 to 32768
[  228.626976][ T5468] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  228.634995][ T5468] CPU: 1 PID: 5468 Comm: syz.1.187 Not tainted syzkaller #0
[  228.642298][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  228.652366][ T5468] Call Trace:
[  228.655660][ T5468]  <TASK>
[  228.658594][ T5468]  dump_stack_lvl+0x188/0x250
[  228.663283][ T5468]  ? show_regs_print_info+0x20/0x20
[  228.668494][ T5468]  ? load_image+0x400/0x400
[  228.673021][ T5468]  sysfs_create_dir_ns+0x26a/0x290
[  228.678143][ T5468]  ? sysfs_warn_dup+0xa0/0xa0
[  228.682919][ T5468]  ? do_raw_spin_unlock+0x11d/0x230
[  228.688163][ T5468]  kobject_add_internal+0x6e0/0xd90
[  228.693385][ T5468]  kobject_init_and_add+0x128/0x190
[  228.698600][ T5468]  ? lockdep_softirqs_off+0x430/0x430
[  228.703983][ T5468]  ? kobject_add+0x230/0x230
[  228.708664][ T5468]  ? __init_swait_queue_head+0xa5/0x150
[  228.714218][ T5468]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.719112][ T5468]  ? gfs2_recover_set+0x240/0x240
[  228.724209][ T5468]  ? snprintf+0xe5/0x140
[  228.728440][ T5468]  ? __free_pages+0x95/0x1a0
[  228.733015][ T5468]  ? vscnprintf+0x80/0x80
[  228.737340][ T5468]  gfs2_fill_super+0x120f/0x1f00
[  228.742295][ T5468]  ? gfs2_reconfigure+0xd30/0xd30
[  228.747323][ T5468]  ? sb_set_blocksize+0xa5/0xe0
[  228.752155][ T5468]  get_tree_bdev+0x3f1/0x610
[  228.756734][ T5468]  ? gfs2_reconfigure+0xd30/0xd30
[  228.761758][ T5468]  gfs2_get_tree+0x4d/0x1e0
[  228.766242][ T5468]  vfs_get_tree+0x88/0x270
[  228.770730][ T5468]  do_new_mount+0x24a/0xa40
[  228.775218][ T5468]  __se_sys_mount+0x2e3/0x3d0
[  228.779878][ T5468]  ? __x64_sys_mount+0xc0/0xc0
[  228.784630][ T5468]  ? lockdep_hardirqs_on+0x94/0x140
[  228.789813][ T5468]  ? __x64_sys_mount+0x1c/0xc0
[  228.794653][ T5468]  do_syscall_64+0x4c/0xa0
[  228.799052][ T5468]  ? clear_bhb_loop+0x30/0x80
[  228.803714][ T5468]  ? clear_bhb_loop+0x30/0x80
[  228.808385][ T5468]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.814348][ T5468] RIP: 0033:0x7f0340398a8a
[  228.818746][ T5468] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  228.838339][ T5468] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.846746][ T5468] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  228.854703][ T5468] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  228.862665][ T5468] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  228.870627][ T5468] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  228.878584][ T5468] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  228.886678][ T5468]  </TASK>
[  228.894944][ T5468] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  228.908976][ T5468] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/05/22 15:05:48 executed programs: 173
[  229.202308][ T5470] loop1: detected capacity change from 0 to 32768
[  229.299900][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  229.309916][ T5470] CPU: 1 PID: 5470 Comm: syz.1.188 Not tainted syzkaller #0
[  229.317318][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  229.327391][ T5470] Call Trace:
[  229.330767][ T5470]  <TASK>
[  229.333706][ T5470]  dump_stack_lvl+0x188/0x250
[  229.338407][ T5470]  ? show_regs_print_info+0x20/0x20
[  229.343628][ T5470]  ? load_image+0x400/0x400
[  229.348152][ T5470]  sysfs_create_dir_ns+0x26a/0x290
[  229.353297][ T5470]  ? sysfs_warn_dup+0xa0/0xa0
[  229.358075][ T5470]  ? do_raw_spin_unlock+0x11d/0x230
[  229.363457][ T5470]  kobject_add_internal+0x6e0/0xd90
[  229.368645][ T5470]  kobject_init_and_add+0x128/0x190
[  229.373917][ T5470]  ? lockdep_softirqs_off+0x430/0x430
[  229.379277][ T5470]  ? kobject_add+0x230/0x230
[  229.383851][ T5470]  ? __init_swait_queue_head+0xa5/0x150
[  229.389386][ T5470]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.394235][ T5470]  ? gfs2_recover_set+0x240/0x240
[  229.399254][ T5470]  ? snprintf+0xe5/0x140
[  229.403489][ T5470]  ? __free_pages+0x95/0x1a0
[  229.408105][ T5470]  ? vscnprintf+0x80/0x80
[  229.412431][ T5470]  gfs2_fill_super+0x120f/0x1f00
[  229.417359][ T5470]  ? gfs2_reconfigure+0xd30/0xd30
[  229.422406][ T5470]  ? sb_set_blocksize+0xa5/0xe0
[  229.427249][ T5470]  get_tree_bdev+0x3f1/0x610
[  229.431849][ T5470]  ? gfs2_reconfigure+0xd30/0xd30
[  229.436856][ T5470]  gfs2_get_tree+0x4d/0x1e0
[  229.441373][ T5470]  vfs_get_tree+0x88/0x270
[  229.445773][ T5470]  do_new_mount+0x24a/0xa40
[  229.450264][ T5470]  __se_sys_mount+0x2e3/0x3d0
[  229.454939][ T5470]  ? __x64_sys_mount+0xc0/0xc0
[  229.459687][ T5470]  ? lockdep_hardirqs_on+0x94/0x140
[  229.464865][ T5470]  ? __x64_sys_mount+0x1c/0xc0
[  229.469610][ T5470]  do_syscall_64+0x4c/0xa0
[  229.474098][ T5470]  ? clear_bhb_loop+0x30/0x80
[  229.478758][ T5470]  ? clear_bhb_loop+0x30/0x80
[  229.483430][ T5470]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.489317][ T5470] RIP: 0033:0x7f0340398a8a
[  229.493734][ T5470] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  229.513419][ T5470] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.521953][ T5470] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  229.529917][ T5470] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  229.538005][ T5470] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  229.545973][ T5470] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  229.554049][ T5470] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  229.562021][ T5470]  </TASK>
[  229.566357][ T5470] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  229.580151][ T5470] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  229.893537][ T5472] loop1: detected capacity change from 0 to 32768
[  229.937333][ T5472] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  229.945361][ T5472] CPU: 1 PID: 5472 Comm: syz.1.189 Not tainted syzkaller #0
[  229.952658][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  229.962725][ T5472] Call Trace:
[  229.966009][ T5472]  <TASK>
[  229.968942][ T5472]  dump_stack_lvl+0x188/0x250
[  229.973638][ T5472]  ? show_regs_print_info+0x20/0x20
[  229.978942][ T5472]  ? load_image+0x400/0x400
[  229.983475][ T5472]  sysfs_create_dir_ns+0x26a/0x290
[  229.988603][ T5472]  ? sysfs_warn_dup+0xa0/0xa0
[  229.993299][ T5472]  ? do_raw_spin_unlock+0x11d/0x230
[  229.998512][ T5472]  kobject_add_internal+0x6e0/0xd90
[  230.003730][ T5472]  kobject_init_and_add+0x128/0x190
[  230.008939][ T5472]  ? lockdep_softirqs_off+0x430/0x430
[  230.014324][ T5472]  ? kobject_add+0x230/0x230
[  230.018919][ T5472]  ? __init_swait_queue_head+0xa5/0x150
[  230.024482][ T5472]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.029235][ T5472]  ? gfs2_recover_set+0x240/0x240
[  230.034244][ T5472]  ? snprintf+0xe5/0x140
[  230.038468][ T5472]  ? __free_pages+0x95/0x1a0
[  230.043039][ T5472]  ? vscnprintf+0x80/0x80
[  230.047370][ T5472]  gfs2_fill_super+0x120f/0x1f00
[  230.052316][ T5472]  ? gfs2_reconfigure+0xd30/0xd30
[  230.057328][ T5472]  ? sb_set_blocksize+0xa5/0xe0
[  230.062159][ T5472]  get_tree_bdev+0x3f1/0x610
[  230.066737][ T5472]  ? gfs2_reconfigure+0xd30/0xd30
[  230.071761][ T5472]  gfs2_get_tree+0x4d/0x1e0
[  230.076253][ T5472]  vfs_get_tree+0x88/0x270
[  230.080743][ T5472]  do_new_mount+0x24a/0xa40
[  230.085230][ T5472]  __se_sys_mount+0x2e3/0x3d0
[  230.089983][ T5472]  ? __x64_sys_mount+0xc0/0xc0
[  230.094733][ T5472]  ? lockdep_hardirqs_on+0x94/0x140
[  230.100001][ T5472]  ? __x64_sys_mount+0x1c/0xc0
[  230.104759][ T5472]  do_syscall_64+0x4c/0xa0
[  230.109180][ T5472]  ? clear_bhb_loop+0x30/0x80
[  230.113836][ T5472]  ? clear_bhb_loop+0x30/0x80
[  230.118518][ T5472]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.124421][ T5472] RIP: 0033:0x7f0340398a8a
[  230.128819][ T5472] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  230.148406][ T5472] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.156821][ T5472] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  230.164904][ T5472] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  230.172859][ T5472] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  230.180819][ T5472] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  230.188777][ T5472] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  230.196753][ T5472]  </TASK>
[  230.202452][ T5472] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  230.216222][ T5472] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  230.518277][ T5474] loop1: detected capacity change from 0 to 32768
[  230.567902][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  230.575942][ T5474] CPU: 0 PID: 5474 Comm: syz.1.190 Not tainted syzkaller #0
[  230.583241][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  230.593670][ T5474] Call Trace:
[  230.596960][ T5474]  <TASK>
[  230.599905][ T5474]  dump_stack_lvl+0x188/0x250
[  230.604596][ T5474]  ? show_regs_print_info+0x20/0x20
[  230.609818][ T5474]  ? load_image+0x400/0x400
[  230.614343][ T5474]  sysfs_create_dir_ns+0x26a/0x290
[  230.619570][ T5474]  ? sysfs_warn_dup+0xa0/0xa0
[  230.624259][ T5474]  ? do_raw_spin_unlock+0x11d/0x230
[  230.629470][ T5474]  kobject_add_internal+0x6e0/0xd90
[  230.634685][ T5474]  kobject_init_and_add+0x128/0x190
[  230.639980][ T5474]  ? lockdep_softirqs_off+0x430/0x430
[  230.645339][ T5474]  ? kobject_add+0x230/0x230
[  230.649909][ T5474]  ? __init_swait_queue_head+0xa5/0x150
[  230.655448][ T5474]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.660195][ T5474]  ? gfs2_recover_set+0x240/0x240
[  230.665212][ T5474]  ? snprintf+0xe5/0x140
[  230.669430][ T5474]  ? __free_pages+0x95/0x1a0
[  230.674021][ T5474]  ? vscnprintf+0x80/0x80
[  230.678337][ T5474]  gfs2_fill_super+0x120f/0x1f00
[  230.683267][ T5474]  ? gfs2_reconfigure+0xd30/0xd30
[  230.688276][ T5474]  ? sb_set_blocksize+0xa5/0xe0
[  230.693112][ T5474]  get_tree_bdev+0x3f1/0x610
[  230.697683][ T5474]  ? gfs2_reconfigure+0xd30/0xd30
[  230.702701][ T5474]  gfs2_get_tree+0x4d/0x1e0
[  230.707183][ T5474]  vfs_get_tree+0x88/0x270
[  230.711577][ T5474]  do_new_mount+0x24a/0xa40
[  230.716061][ T5474]  __se_sys_mount+0x2e3/0x3d0
[  230.720715][ T5474]  ? __x64_sys_mount+0xc0/0xc0
[  230.725460][ T5474]  ? lockdep_hardirqs_on+0x94/0x140
[  230.730638][ T5474]  ? __x64_sys_mount+0x1c/0xc0
[  230.735388][ T5474]  do_syscall_64+0x4c/0xa0
[  230.739790][ T5474]  ? clear_bhb_loop+0x30/0x80
[  230.744534][ T5474]  ? clear_bhb_loop+0x30/0x80
[  230.749193][ T5474]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.755075][ T5474] RIP: 0033:0x7f0340398a8a
[  230.759473][ T5474] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  230.779065][ T5474] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.787463][ T5474] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  230.795502][ T5474] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  230.803452][ T5474] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  230.811499][ T5474] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  230.819453][ T5474] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  230.827502][ T5474]  </TASK>
[  230.832045][ T5474] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  230.846401][ T5474] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  231.147680][ T5476] loop1: detected capacity change from 0 to 32768
[  231.222150][ T5476] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  231.233210][ T5476] CPU: 1 PID: 5476 Comm: syz.1.191 Not tainted syzkaller #0
[  231.240529][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  231.251136][ T5476] Call Trace:
[  231.254427][ T5476]  <TASK>
[  231.257370][ T5476]  dump_stack_lvl+0x188/0x250
[  231.262067][ T5476]  ? show_regs_print_info+0x20/0x20
[  231.267272][ T5476]  ? load_image+0x400/0x400
[  231.271792][ T5476]  sysfs_create_dir_ns+0x26a/0x290
[  231.276921][ T5476]  ? sysfs_warn_dup+0xa0/0xa0
[  231.281616][ T5476]  ? do_raw_spin_unlock+0x11d/0x230
[  231.287087][ T5476]  kobject_add_internal+0x6e0/0xd90
[  231.292305][ T5476]  kobject_init_and_add+0x128/0x190
[  231.297661][ T5476]  ? lockdep_softirqs_off+0x430/0x430
[  231.303059][ T5476]  ? kobject_add+0x230/0x230
[  231.307656][ T5476]  ? __init_swait_queue_head+0xa5/0x150
[  231.313294][ T5476]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.318050][ T5476]  ? gfs2_recover_set+0x240/0x240
[  231.323489][ T5476]  ? snprintf+0xe5/0x140
[  231.327809][ T5476]  ? __free_pages+0x95/0x1a0
[  231.332397][ T5476]  ? vscnprintf+0x80/0x80
[  231.336828][ T5476]  gfs2_fill_super+0x120f/0x1f00
[  231.341781][ T5476]  ? gfs2_reconfigure+0xd30/0xd30
[  231.346813][ T5476]  ? sb_set_blocksize+0xa5/0xe0
[  231.351655][ T5476]  get_tree_bdev+0x3f1/0x610
[  231.356231][ T5476]  ? gfs2_reconfigure+0xd30/0xd30
[  231.361240][ T5476]  gfs2_get_tree+0x4d/0x1e0
[  231.365776][ T5476]  vfs_get_tree+0x88/0x270
[  231.370288][ T5476]  do_new_mount+0x24a/0xa40
[  231.374958][ T5476]  __se_sys_mount+0x2e3/0x3d0
[  231.379639][ T5476]  ? __x64_sys_mount+0xc0/0xc0
[  231.384386][ T5476]  ? lockdep_hardirqs_on+0x94/0x140
[  231.389567][ T5476]  ? __x64_sys_mount+0x1c/0xc0
[  231.394314][ T5476]  do_syscall_64+0x4c/0xa0
[  231.398882][ T5476]  ? clear_bhb_loop+0x30/0x80
[  231.403553][ T5476]  ? clear_bhb_loop+0x30/0x80
[  231.408208][ T5476]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.414189][ T5476] RIP: 0033:0x7f0340398a8a
[  231.418589][ T5476] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  231.438262][ T5476] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.446663][ T5476] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  231.454623][ T5476] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  231.462584][ T5476] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  231.470545][ T5476] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  231.478500][ T5476] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  231.486465][ T5476]  </TASK>
[  231.490869][ T5476] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  231.504873][ T5476] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  231.797345][ T5478] loop1: detected capacity change from 0 to 32768
[  231.878413][ T5478] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  231.886698][ T5478] CPU: 1 PID: 5478 Comm: syz.1.192 Not tainted syzkaller #0
[  231.894007][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  231.904161][ T5478] Call Trace:
[  231.907461][ T5478]  <TASK>
[  231.910404][ T5478]  dump_stack_lvl+0x188/0x250
[  231.915105][ T5478]  ? show_regs_print_info+0x20/0x20
[  231.920333][ T5478]  ? load_image+0x400/0x400
[  231.924868][ T5478]  sysfs_create_dir_ns+0x26a/0x290
[  231.929989][ T5478]  ? sysfs_warn_dup+0xa0/0xa0
[  231.934858][ T5478]  ? do_raw_spin_unlock+0x11d/0x230
[  231.940086][ T5478]  kobject_add_internal+0x6e0/0xd90
[  231.945279][ T5478]  kobject_init_and_add+0x128/0x190
[  231.950461][ T5478]  ? lockdep_softirqs_off+0x430/0x430
[  231.955822][ T5478]  ? kobject_add+0x230/0x230
[  231.960404][ T5478]  ? __init_swait_queue_head+0xa5/0x150
[  231.965962][ T5478]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.970717][ T5478]  ? gfs2_recover_set+0x240/0x240
[  231.975720][ T5478]  ? snprintf+0xe5/0x140
[  231.979940][ T5478]  ? __free_pages+0x95/0x1a0
[  231.984630][ T5478]  ? vscnprintf+0x80/0x80
[  231.988944][ T5478]  gfs2_fill_super+0x120f/0x1f00
[  231.993961][ T5478]  ? gfs2_reconfigure+0xd30/0xd30
[  231.999082][ T5478]  ? sb_set_blocksize+0xa5/0xe0
[  232.003926][ T5478]  get_tree_bdev+0x3f1/0x610
[  232.008504][ T5478]  ? gfs2_reconfigure+0xd30/0xd30
[  232.013524][ T5478]  gfs2_get_tree+0x4d/0x1e0
[  232.018043][ T5478]  vfs_get_tree+0x88/0x270
[  232.022443][ T5478]  do_new_mount+0x24a/0xa40
[  232.027027][ T5478]  __se_sys_mount+0x2e3/0x3d0
[  232.031840][ T5478]  ? __x64_sys_mount+0xc0/0xc0
[  232.036604][ T5478]  ? lockdep_hardirqs_on+0x94/0x140
[  232.041793][ T5478]  ? __x64_sys_mount+0x1c/0xc0
[  232.046553][ T5478]  do_syscall_64+0x4c/0xa0
[  232.050964][ T5478]  ? clear_bhb_loop+0x30/0x80
[  232.055628][ T5478]  ? clear_bhb_loop+0x30/0x80
[  232.060383][ T5478]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.066268][ T5478] RIP: 0033:0x7f0340398a8a
[  232.070671][ T5478] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.090259][ T5478] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.098755][ T5478] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  232.106732][ T5478] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  232.114708][ T5478] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  232.122929][ T5478] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  232.130894][ T5478] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  232.138882][ T5478]  </TASK>
[  232.145636][ T5478] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  232.159922][ T5478] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  232.483634][ T5480] loop1: detected capacity change from 0 to 32768
[  232.535120][ T5480] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  232.543258][ T5480] CPU: 1 PID: 5480 Comm: syz.1.193 Not tainted syzkaller #0
[  232.550549][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  232.560706][ T5480] Call Trace:
[  232.563999][ T5480]  <TASK>
[  232.566941][ T5480]  dump_stack_lvl+0x188/0x250
[  232.571649][ T5480]  ? show_regs_print_info+0x20/0x20
[  232.576953][ T5480]  ? load_image+0x400/0x400
[  232.581487][ T5480]  sysfs_create_dir_ns+0x26a/0x290
[  232.586737][ T5480]  ? sysfs_warn_dup+0xa0/0xa0
[  232.591533][ T5480]  ? do_raw_spin_unlock+0x11d/0x230
[  232.596762][ T5480]  kobject_add_internal+0x6e0/0xd90
[  232.601981][ T5480]  kobject_init_and_add+0x128/0x190
[  232.607189][ T5480]  ? lockdep_softirqs_off+0x430/0x430
[  232.612583][ T5480]  ? kobject_add+0x230/0x230
[  232.617191][ T5480]  ? __init_swait_queue_head+0xa5/0x150
[  232.622836][ T5480]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.627612][ T5480]  ? gfs2_recover_set+0x240/0x240
[  232.632629][ T5480]  ? snprintf+0xe5/0x140
[  232.636855][ T5480]  ? __free_pages+0x95/0x1a0
[  232.641436][ T5480]  ? vscnprintf+0x80/0x80
[  232.645861][ T5480]  gfs2_fill_super+0x120f/0x1f00
[  232.650790][ T5480]  ? gfs2_reconfigure+0xd30/0xd30
[  232.655806][ T5480]  ? sb_set_blocksize+0xa5/0xe0
[  232.660662][ T5480]  get_tree_bdev+0x3f1/0x610
[  232.665237][ T5480]  ? gfs2_reconfigure+0xd30/0xd30
[  232.670242][ T5480]  gfs2_get_tree+0x4d/0x1e0
[  232.674728][ T5480]  vfs_get_tree+0x88/0x270
[  232.679148][ T5480]  do_new_mount+0x24a/0xa40
[  232.683730][ T5480]  __se_sys_mount+0x2e3/0x3d0
[  232.688478][ T5480]  ? __x64_sys_mount+0xc0/0xc0
[  232.693228][ T5480]  ? lockdep_hardirqs_on+0x94/0x140
[  232.698413][ T5480]  ? __x64_sys_mount+0x1c/0xc0
[  232.703176][ T5480]  do_syscall_64+0x4c/0xa0
[  232.707573][ T5480]  ? clear_bhb_loop+0x30/0x80
[  232.712233][ T5480]  ? clear_bhb_loop+0x30/0x80
[  232.716901][ T5480]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.722946][ T5480] RIP: 0033:0x7f0340398a8a
[  232.727338][ T5480] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.746932][ T5480] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.755345][ T5480] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  232.763299][ T5480] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  232.771250][ T5480] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  232.779225][ T5480] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  232.787289][ T5480] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  232.795461][ T5480]  </TASK>
[  232.799864][ T5480] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  232.813733][ T5480] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  233.138935][ T5482] loop1: detected capacity change from 0 to 32768
[  233.197380][ T5482] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  233.205747][ T5482] CPU: 0 PID: 5482 Comm: syz.1.194 Not tainted syzkaller #0
[  233.213054][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  233.223120][ T5482] Call Trace:
[  233.226416][ T5482]  <TASK>
[  233.229366][ T5482]  dump_stack_lvl+0x188/0x250
[  233.234068][ T5482]  ? show_regs_print_info+0x20/0x20
[  233.239276][ T5482]  ? load_image+0x400/0x400
[  233.243803][ T5482]  sysfs_create_dir_ns+0x26a/0x290
[  233.248934][ T5482]  ? sysfs_warn_dup+0xa0/0xa0
[  233.253626][ T5482]  ? do_raw_spin_unlock+0x11d/0x230
[  233.258843][ T5482]  kobject_add_internal+0x6e0/0xd90
[  233.264062][ T5482]  kobject_init_and_add+0x128/0x190
[  233.269281][ T5482]  ? lockdep_softirqs_off+0x430/0x430
[  233.274671][ T5482]  ? kobject_add+0x230/0x230
[  233.279378][ T5482]  ? __init_swait_queue_head+0xa5/0x150
[  233.285031][ T5482]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.289795][ T5482]  ? gfs2_recover_set+0x240/0x240
[  233.294811][ T5482]  ? snprintf+0xe5/0x140
[  233.299048][ T5482]  ? __free_pages+0x95/0x1a0
[  233.303647][ T5482]  ? vscnprintf+0x80/0x80
[  233.307966][ T5482]  gfs2_fill_super+0x120f/0x1f00
[  233.312912][ T5482]  ? gfs2_reconfigure+0xd30/0xd30
[  233.317934][ T5482]  ? sb_set_blocksize+0xa5/0xe0
[  233.322772][ T5482]  get_tree_bdev+0x3f1/0x610
[  233.327353][ T5482]  ? gfs2_reconfigure+0xd30/0xd30
[  233.332380][ T5482]  gfs2_get_tree+0x4d/0x1e0
[  233.336899][ T5482]  vfs_get_tree+0x88/0x270
[  233.341352][ T5482]  do_new_mount+0x24a/0xa40
[  233.345854][ T5482]  __se_sys_mount+0x2e3/0x3d0
[  233.350617][ T5482]  ? __x64_sys_mount+0xc0/0xc0
[  233.355381][ T5482]  ? lockdep_hardirqs_on+0x94/0x140
[  233.360567][ T5482]  ? __x64_sys_mount+0x1c/0xc0
[  233.365322][ T5482]  do_syscall_64+0x4c/0xa0
[  233.369834][ T5482]  ? clear_bhb_loop+0x30/0x80
[  233.374528][ T5482]  ? clear_bhb_loop+0x30/0x80
[  233.379206][ T5482]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.385090][ T5482] RIP: 0033:0x7f0340398a8a
[  233.389493][ T5482] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  233.409201][ T5482] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.417605][ T5482] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  233.425566][ T5482] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  233.433522][ T5482] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  233.441483][ T5482] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  233.449441][ T5482] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  233.457406][ T5482]  </TASK>
[  233.461449][ T5482] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  233.475339][ T5482] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  233.778049][ T5484] loop1: detected capacity change from 0 to 32768
[  233.825143][ T5484] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  233.833358][ T5484] CPU: 0 PID: 5484 Comm: syz.1.195 Not tainted syzkaller #0
[  233.840661][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  233.850728][ T5484] Call Trace:
[  233.854017][ T5484]  <TASK>
[  233.856951][ T5484]  dump_stack_lvl+0x188/0x250
[  233.861640][ T5484]  ? show_regs_print_info+0x20/0x20
[  233.866856][ T5484]  ? load_image+0x400/0x400
[  233.871860][ T5484]  sysfs_create_dir_ns+0x26a/0x290
[  233.876996][ T5484]  ? sysfs_warn_dup+0xa0/0xa0
[  233.881689][ T5484]  ? do_raw_spin_unlock+0x11d/0x230
[  233.886900][ T5484]  kobject_add_internal+0x6e0/0xd90
[  233.892122][ T5484]  kobject_init_and_add+0x128/0x190
[  233.897516][ T5484]  ? lockdep_softirqs_off+0x430/0x430
[  233.903104][ T5484]  ? kobject_add+0x230/0x230
[  233.907806][ T5484]  ? __init_swait_queue_head+0xa5/0x150
[  233.913368][ T5484]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.918120][ T5484]  ? gfs2_recover_set+0x240/0x240
[  233.923139][ T5484]  ? snprintf+0xe5/0x140
[  233.927656][ T5484]  ? __free_pages+0x95/0x1a0
[  233.932249][ T5484]  ? vscnprintf+0x80/0x80
[  233.936582][ T5484]  gfs2_fill_super+0x120f/0x1f00
[  233.941539][ T5484]  ? gfs2_reconfigure+0xd30/0xd30
[  233.946559][ T5484]  ? sb_set_blocksize+0xa5/0xe0
[  233.951437][ T5484]  get_tree_bdev+0x3f1/0x610
[  233.956028][ T5484]  ? gfs2_reconfigure+0xd30/0xd30
[  233.961167][ T5484]  gfs2_get_tree+0x4d/0x1e0
[  233.965665][ T5484]  vfs_get_tree+0x88/0x270
[  233.970070][ T5484]  do_new_mount+0x24a/0xa40
[  233.974565][ T5484]  __se_sys_mount+0x2e3/0x3d0
[  233.979229][ T5484]  ? __x64_sys_mount+0xc0/0xc0
[  233.983977][ T5484]  ? lockdep_hardirqs_on+0x94/0x140
[  233.989162][ T5484]  ? __x64_sys_mount+0x1c/0xc0
[  233.993920][ T5484]  do_syscall_64+0x4c/0xa0
[  233.998432][ T5484]  ? clear_bhb_loop+0x30/0x80
[  234.003270][ T5484]  ? clear_bhb_loop+0x30/0x80
[  234.007951][ T5484]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.013855][ T5484] RIP: 0033:0x7f0340398a8a
[  234.018269][ T5484] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  234.037865][ T5484] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.046281][ T5484] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  234.054250][ T5484] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  234.062212][ T5484] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  234.070277][ T5484] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  234.078241][ T5484] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  234.086219][ T5484]  </TASK>
[  234.090838][ T5484] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  234.104616][ T5484] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/05/22 15:05:53 executed programs: 181
[  234.414271][ T5486] loop1: detected capacity change from 0 to 32768
[  234.459053][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  234.468162][ T5486] CPU: 1 PID: 5486 Comm: syz.1.196 Not tainted syzkaller #0
[  234.475570][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  234.485633][ T5486] Call Trace:
[  234.488926][ T5486]  <TASK>
[  234.491867][ T5486]  dump_stack_lvl+0x188/0x250
[  234.496556][ T5486]  ? show_regs_print_info+0x20/0x20
[  234.501935][ T5486]  ? load_image+0x400/0x400
[  234.506465][ T5486]  sysfs_create_dir_ns+0x26a/0x290
[  234.511593][ T5486]  ? sysfs_warn_dup+0xa0/0xa0
[  234.516292][ T5486]  ? do_raw_spin_unlock+0x11d/0x230
[  234.521505][ T5486]  kobject_add_internal+0x6e0/0xd90
[  234.526814][ T5486]  kobject_init_and_add+0x128/0x190
[  234.532038][ T5486]  ? lockdep_softirqs_off+0x430/0x430
[  234.537510][ T5486]  ? kobject_add+0x230/0x230
[  234.542106][ T5486]  ? __init_swait_queue_head+0xa5/0x150
[  234.547643][ T5486]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.552393][ T5486]  ? gfs2_recover_set+0x240/0x240
[  234.557416][ T5486]  ? snprintf+0xe5/0x140
[  234.561650][ T5486]  ? __free_pages+0x95/0x1a0
[  234.566247][ T5486]  ? vscnprintf+0x80/0x80
[  234.570563][ T5486]  gfs2_fill_super+0x120f/0x1f00
[  234.575496][ T5486]  ? gfs2_reconfigure+0xd30/0xd30
[  234.580509][ T5486]  ? sb_set_blocksize+0xa5/0xe0
[  234.585344][ T5486]  get_tree_bdev+0x3f1/0x610
[  234.589918][ T5486]  ? gfs2_reconfigure+0xd30/0xd30
[  234.594925][ T5486]  gfs2_get_tree+0x4d/0x1e0
[  234.599413][ T5486]  vfs_get_tree+0x88/0x270
[  234.603897][ T5486]  do_new_mount+0x24a/0xa40
[  234.608385][ T5486]  __se_sys_mount+0x2e3/0x3d0
[  234.613041][ T5486]  ? __x64_sys_mount+0xc0/0xc0
[  234.617785][ T5486]  ? lockdep_hardirqs_on+0x94/0x140
[  234.622975][ T5486]  ? __x64_sys_mount+0x1c/0xc0
[  234.627724][ T5486]  do_syscall_64+0x4c/0xa0
[  234.632123][ T5486]  ? clear_bhb_loop+0x30/0x80
[  234.636780][ T5486]  ? clear_bhb_loop+0x30/0x80
[  234.641446][ T5486]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.647318][ T5486] RIP: 0033:0x7f0340398a8a
[  234.651712][ T5486] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  234.671300][ T5486] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.679697][ T5486] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  234.687758][ T5486] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  234.695711][ T5486] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  234.703753][ T5486] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  234.711709][ T5486] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  234.719670][ T5486]  </TASK>
[  234.723885][ T5486] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  234.738284][ T5486] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  235.069921][ T5488] loop1: detected capacity change from 0 to 32768
[  235.122496][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  235.130867][ T5488] CPU: 0 PID: 5488 Comm: syz.1.197 Not tainted syzkaller #0
[  235.138175][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  235.148238][ T5488] Call Trace:
[  235.151523][ T5488]  <TASK>
[  235.154462][ T5488]  dump_stack_lvl+0x188/0x250
[  235.159157][ T5488]  ? show_regs_print_info+0x20/0x20
[  235.164367][ T5488]  ? load_image+0x400/0x400
[  235.168890][ T5488]  sysfs_create_dir_ns+0x26a/0x290
[  235.174025][ T5488]  ? sysfs_warn_dup+0xa0/0xa0
[  235.178710][ T5488]  ? do_raw_spin_unlock+0x11d/0x230
[  235.183940][ T5488]  kobject_add_internal+0x6e0/0xd90
[  235.189155][ T5488]  kobject_init_and_add+0x128/0x190
[  235.194368][ T5488]  ? lockdep_softirqs_off+0x430/0x430
[  235.199761][ T5488]  ? kobject_add+0x230/0x230
[  235.204466][ T5488]  ? __init_swait_queue_head+0xa5/0x150
[  235.210033][ T5488]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.214900][ T5488]  ? gfs2_recover_set+0x240/0x240
[  235.219961][ T5488]  ? snprintf+0xe5/0x140
[  235.224200][ T5488]  ? __free_pages+0x95/0x1a0
[  235.228777][ T5488]  ? vscnprintf+0x80/0x80
[  235.233093][ T5488]  gfs2_fill_super+0x120f/0x1f00
[  235.238145][ T5488]  ? gfs2_reconfigure+0xd30/0xd30
[  235.243204][ T5488]  ? sb_set_blocksize+0xa5/0xe0
[  235.248048][ T5488]  get_tree_bdev+0x3f1/0x610
[  235.252628][ T5488]  ? gfs2_reconfigure+0xd30/0xd30
[  235.257645][ T5488]  gfs2_get_tree+0x4d/0x1e0
[  235.262180][ T5488]  vfs_get_tree+0x88/0x270
[  235.266705][ T5488]  do_new_mount+0x24a/0xa40
[  235.271214][ T5488]  __se_sys_mount+0x2e3/0x3d0
[  235.275878][ T5488]  ? __x64_sys_mount+0xc0/0xc0
[  235.280634][ T5488]  ? lockdep_hardirqs_on+0x94/0x140
[  235.285838][ T5488]  ? __x64_sys_mount+0x1c/0xc0
[  235.290591][ T5488]  do_syscall_64+0x4c/0xa0
[  235.295001][ T5488]  ? clear_bhb_loop+0x30/0x80
[  235.299668][ T5488]  ? clear_bhb_loop+0x30/0x80
[  235.304339][ T5488]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.310323][ T5488] RIP: 0033:0x7f0340398a8a
[  235.314721][ T5488] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  235.334315][ T5488] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.342813][ T5488] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  235.350775][ T5488] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  235.358739][ T5488] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  235.366788][ T5488] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  235.374751][ T5488] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  235.382738][ T5488]  </TASK>
[  235.387273][ T5488] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  235.401287][ T5488] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  235.714130][ T5490] loop1: detected capacity change from 0 to 32768
[  235.759242][ T5490] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  235.774564][ T5490] CPU: 1 PID: 5490 Comm: syz.1.198 Not tainted syzkaller #0
[  235.781884][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  235.792040][ T5490] Call Trace:
[  235.795598][ T5490]  <TASK>
[  235.798543][ T5490]  dump_stack_lvl+0x188/0x250
[  235.803250][ T5490]  ? show_regs_print_info+0x20/0x20
[  235.808650][ T5490]  ? load_image+0x400/0x400
[  235.813186][ T5490]  sysfs_create_dir_ns+0x26a/0x290
[  235.818325][ T5490]  ? sysfs_warn_dup+0xa0/0xa0
[  235.823017][ T5490]  ? do_raw_spin_unlock+0x11d/0x230
[  235.828241][ T5490]  kobject_add_internal+0x6e0/0xd90
[  235.833470][ T5490]  kobject_init_and_add+0x128/0x190
[  235.838685][ T5490]  ? lockdep_softirqs_off+0x430/0x430
[  235.844074][ T5490]  ? kobject_add+0x230/0x230
[  235.848678][ T5490]  ? __init_swait_queue_head+0xa5/0x150
[  235.854237][ T5490]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.858991][ T5490]  ? gfs2_recover_set+0x240/0x240
[  235.864018][ T5490]  ? snprintf+0xe5/0x140
[  235.868252][ T5490]  ? __free_pages+0x95/0x1a0
[  235.872832][ T5490]  ? vscnprintf+0x80/0x80
[  235.877159][ T5490]  gfs2_fill_super+0x120f/0x1f00
[  235.882115][ T5490]  ? gfs2_reconfigure+0xd30/0xd30
[  235.887130][ T5490]  ? sb_set_blocksize+0xa5/0xe0
[  235.891962][ T5490]  get_tree_bdev+0x3f1/0x610
[  235.896565][ T5490]  ? gfs2_reconfigure+0xd30/0xd30
[  235.901590][ T5490]  gfs2_get_tree+0x4d/0x1e0
[  235.906090][ T5490]  vfs_get_tree+0x88/0x270
[  235.910504][ T5490]  do_new_mount+0x24a/0xa40
[  235.914997][ T5490]  __se_sys_mount+0x2e3/0x3d0
[  235.919663][ T5490]  ? __x64_sys_mount+0xc0/0xc0
[  235.924411][ T5490]  ? lockdep_hardirqs_on+0x94/0x140
[  235.929598][ T5490]  ? __x64_sys_mount+0x1c/0xc0
[  235.934349][ T5490]  do_syscall_64+0x4c/0xa0
[  235.938751][ T5490]  ? clear_bhb_loop+0x30/0x80
[  235.943416][ T5490]  ? clear_bhb_loop+0x30/0x80
[  235.948086][ T5490]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.953963][ T5490] RIP: 0033:0x7f0340398a8a
[  235.958468][ T5490] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  235.978076][ T5490] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.986495][ T5490] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  235.994535][ T5490] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  236.002577][ T5490] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  236.010533][ T5490] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  236.018611][ T5490] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  236.027035][ T5490]  </TASK>
[  236.031184][ T5490] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  236.044964][ T5490] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  236.381435][ T5492] loop1: detected capacity change from 0 to 32768
[  236.460411][ T5492] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  236.469664][ T5492] CPU: 1 PID: 5492 Comm: syz.1.199 Not tainted syzkaller #0
[  236.476980][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  236.487130][ T5492] Call Trace:
[  236.490593][ T5492]  <TASK>
[  236.493533][ T5492]  dump_stack_lvl+0x188/0x250
[  236.498229][ T5492]  ? show_regs_print_info+0x20/0x20
[  236.503458][ T5492]  ? load_image+0x400/0x400
[  236.507992][ T5492]  sysfs_create_dir_ns+0x26a/0x290
[  236.513128][ T5492]  ? sysfs_warn_dup+0xa0/0xa0
[  236.517910][ T5492]  ? do_raw_spin_unlock+0x11d/0x230
[  236.523121][ T5492]  kobject_add_internal+0x6e0/0xd90
[  236.528408][ T5492]  kobject_init_and_add+0x128/0x190
[  236.533599][ T5492]  ? lockdep_softirqs_off+0x430/0x430
[  236.538956][ T5492]  ? kobject_add+0x230/0x230
[  236.543531][ T5492]  ? __init_swait_queue_head+0xa5/0x150
[  236.549097][ T5492]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.553952][ T5492]  ? gfs2_recover_set+0x240/0x240
[  236.558960][ T5492]  ? snprintf+0xe5/0x140
[  236.563180][ T5492]  ? __free_pages+0x95/0x1a0
[  236.567751][ T5492]  ? vscnprintf+0x80/0x80
[  236.572079][ T5492]  gfs2_fill_super+0x120f/0x1f00
[  236.577009][ T5492]  ? gfs2_reconfigure+0xd30/0xd30
[  236.582024][ T5492]  ? sb_set_blocksize+0xa5/0xe0
[  236.586856][ T5492]  get_tree_bdev+0x3f1/0x610
[  236.591431][ T5492]  ? gfs2_reconfigure+0xd30/0xd30
[  236.596438][ T5492]  gfs2_get_tree+0x4d/0x1e0
[  236.600944][ T5492]  vfs_get_tree+0x88/0x270
[  236.605358][ T5492]  do_new_mount+0x24a/0xa40
[  236.609847][ T5492]  __se_sys_mount+0x2e3/0x3d0
[  236.614507][ T5492]  ? __x64_sys_mount+0xc0/0xc0
[  236.619251][ T5492]  ? lockdep_hardirqs_on+0x94/0x140
[  236.624603][ T5492]  ? __x64_sys_mount+0x1c/0xc0
[  236.629349][ T5492]  do_syscall_64+0x4c/0xa0
[  236.633744][ T5492]  ? clear_bhb_loop+0x30/0x80
[  236.638399][ T5492]  ? clear_bhb_loop+0x30/0x80
[  236.643228][ T5492]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.649111][ T5492] RIP: 0033:0x7f0340398a8a
[  236.653516][ T5492] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  236.673296][ T5492] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.681703][ T5492] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  236.689662][ T5492] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  236.697723][ T5492] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  236.705766][ T5492] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  236.713737][ T5492] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  236.721786][ T5492]  </TASK>
[  236.725897][ T5492] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  236.739685][ T5492] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  237.027832][ T5494] loop1: detected capacity change from 0 to 32768
[  237.130491][ T5494] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  237.139302][ T5494] CPU: 0 PID: 5494 Comm: syz.1.200 Not tainted syzkaller #0
[  237.146611][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  237.156678][ T5494] Call Trace:
[  237.159976][ T5494]  <TASK>
[  237.162918][ T5494]  dump_stack_lvl+0x188/0x250
[  237.167622][ T5494]  ? show_regs_print_info+0x20/0x20
[  237.172847][ T5494]  ? load_image+0x400/0x400
[  237.177369][ T5494]  sysfs_create_dir_ns+0x26a/0x290
[  237.182638][ T5494]  ? sysfs_warn_dup+0xa0/0xa0
[  237.187326][ T5494]  ? do_raw_spin_unlock+0x11d/0x230
[  237.192535][ T5494]  kobject_add_internal+0x6e0/0xd90
[  237.197739][ T5494]  kobject_init_and_add+0x128/0x190
[  237.202957][ T5494]  ? lockdep_softirqs_off+0x430/0x430
[  237.208469][ T5494]  ? kobject_add+0x230/0x230
[  237.213143][ T5494]  ? __init_swait_queue_head+0xa5/0x150
[  237.218686][ T5494]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.223486][ T5494]  ? gfs2_recover_set+0x240/0x240
[  237.228521][ T5494]  ? snprintf+0xe5/0x140
[  237.232753][ T5494]  ? __free_pages+0x95/0x1a0
[  237.237427][ T5494]  ? vscnprintf+0x80/0x80
[  237.241759][ T5494]  gfs2_fill_super+0x120f/0x1f00
[  237.246696][ T5494]  ? gfs2_reconfigure+0xd30/0xd30
[  237.251736][ T5494]  ? sb_set_blocksize+0xa5/0xe0
[  237.256574][ T5494]  get_tree_bdev+0x3f1/0x610
[  237.261191][ T5494]  ? gfs2_reconfigure+0xd30/0xd30
[  237.266218][ T5494]  gfs2_get_tree+0x4d/0x1e0
[  237.270730][ T5494]  vfs_get_tree+0x88/0x270
[  237.275139][ T5494]  do_new_mount+0x24a/0xa40
[  237.279632][ T5494]  __se_sys_mount+0x2e3/0x3d0
[  237.284387][ T5494]  ? __x64_sys_mount+0xc0/0xc0
[  237.289144][ T5494]  ? lockdep_hardirqs_on+0x94/0x140
[  237.294421][ T5494]  ? __x64_sys_mount+0x1c/0xc0
[  237.299169][ T5494]  do_syscall_64+0x4c/0xa0
[  237.303564][ T5494]  ? clear_bhb_loop+0x30/0x80
[  237.308219][ T5494]  ? clear_bhb_loop+0x30/0x80
[  237.312879][ T5494]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.318753][ T5494] RIP: 0033:0x7f0340398a8a
[  237.323167][ T5494] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  237.342778][ T5494] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.351322][ T5494] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  237.359294][ T5494] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  237.367273][ T5494] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  237.375231][ T5494] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  237.383192][ T5494] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  237.391205][ T5494]  </TASK>
[  237.395429][ T5494] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  237.409204][ T5494] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  237.723720][ T5496] loop1: detected capacity change from 0 to 32768
[  237.786922][ T5496] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  237.795019][ T5496] CPU: 1 PID: 5496 Comm: syz.1.201 Not tainted syzkaller #0
[  237.802312][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  237.812373][ T5496] Call Trace:
[  237.815659][ T5496]  <TASK>
[  237.818602][ T5496]  dump_stack_lvl+0x188/0x250
[  237.823293][ T5496]  ? show_regs_print_info+0x20/0x20
[  237.828510][ T5496]  ? load_image+0x400/0x400
[  237.833039][ T5496]  sysfs_create_dir_ns+0x26a/0x290
[  237.838161][ T5496]  ? sysfs_warn_dup+0xa0/0xa0
[  237.842854][ T5496]  ? do_raw_spin_unlock+0x11d/0x230
[  237.848066][ T5496]  kobject_add_internal+0x6e0/0xd90
[  237.853280][ T5496]  kobject_init_and_add+0x128/0x190
[  237.858485][ T5496]  ? lockdep_softirqs_off+0x430/0x430
[  237.864048][ T5496]  ? kobject_add+0x230/0x230
[  237.868739][ T5496]  ? __init_swait_queue_head+0xa5/0x150
[  237.874293][ T5496]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.879047][ T5496]  ? gfs2_recover_set+0x240/0x240
[  237.884056][ T5496]  ? snprintf+0xe5/0x140
[  237.888306][ T5496]  ? __free_pages+0x95/0x1a0
[  237.892882][ T5496]  ? vscnprintf+0x80/0x80
[  237.897281][ T5496]  gfs2_fill_super+0x120f/0x1f00
[  237.902210][ T5496]  ? gfs2_reconfigure+0xd30/0xd30
[  237.907337][ T5496]  ? sb_set_blocksize+0xa5/0xe0
[  237.912170][ T5496]  get_tree_bdev+0x3f1/0x610
[  237.916757][ T5496]  ? gfs2_reconfigure+0xd30/0xd30
[  237.921766][ T5496]  gfs2_get_tree+0x4d/0x1e0
[  237.926252][ T5496]  vfs_get_tree+0x88/0x270
[  237.930671][ T5496]  do_new_mount+0x24a/0xa40
[  237.935157][ T5496]  __se_sys_mount+0x2e3/0x3d0
[  237.939816][ T5496]  ? __x64_sys_mount+0xc0/0xc0
[  237.944563][ T5496]  ? lockdep_hardirqs_on+0x94/0x140
[  237.949739][ T5496]  ? __x64_sys_mount+0x1c/0xc0
[  237.954486][ T5496]  do_syscall_64+0x4c/0xa0
[  237.958882][ T5496]  ? clear_bhb_loop+0x30/0x80
[  237.963538][ T5496]  ? clear_bhb_loop+0x30/0x80
[  237.968190][ T5496]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.974061][ T5496] RIP: 0033:0x7f0340398a8a
[  237.978456][ T5496] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  237.998045][ T5496] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.006449][ T5496] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  238.014581][ T5496] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  238.022621][ T5496] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  238.030589][ T5496] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  238.038559][ T5496] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  238.046526][ T5496]  </TASK>
[  238.050599][ T5496] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  238.064355][ T5496] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  238.356509][ T5498] loop1: detected capacity change from 0 to 32768
[  238.401603][ T5498] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  238.413982][ T5498] CPU: 1 PID: 5498 Comm: syz.1.202 Not tainted syzkaller #0
[  238.421318][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  238.431390][ T5498] Call Trace:
[  238.434677][ T5498]  <TASK>
[  238.437622][ T5498]  dump_stack_lvl+0x188/0x250
[  238.442317][ T5498]  ? show_regs_print_info+0x20/0x20
[  238.447539][ T5498]  ? load_image+0x400/0x400
[  238.452066][ T5498]  sysfs_create_dir_ns+0x26a/0x290
[  238.457207][ T5498]  ? sysfs_warn_dup+0xa0/0xa0
[  238.461898][ T5498]  ? do_raw_spin_unlock+0x11d/0x230
[  238.467113][ T5498]  kobject_add_internal+0x6e0/0xd90
[  238.472351][ T5498]  kobject_init_and_add+0x128/0x190
[  238.477569][ T5498]  ? lockdep_softirqs_off+0x430/0x430
[  238.483050][ T5498]  ? kobject_add+0x230/0x230
[  238.487832][ T5498]  ? __init_swait_queue_head+0xa5/0x150
[  238.493395][ T5498]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.498171][ T5498]  ? gfs2_recover_set+0x240/0x240
[  238.503224][ T5498]  ? snprintf+0xe5/0x140
[  238.507459][ T5498]  ? __free_pages+0x95/0x1a0
[  238.512058][ T5498]  ? vscnprintf+0x80/0x80
[  238.516376][ T5498]  gfs2_fill_super+0x120f/0x1f00
[  238.521322][ T5498]  ? gfs2_reconfigure+0xd30/0xd30
[  238.526336][ T5498]  ? sb_set_blocksize+0xa5/0xe0
[  238.531166][ T5498]  get_tree_bdev+0x3f1/0x610
[  238.535742][ T5498]  ? gfs2_reconfigure+0xd30/0xd30
[  238.540760][ T5498]  gfs2_get_tree+0x4d/0x1e0
[  238.545249][ T5498]  vfs_get_tree+0x88/0x270
[  238.549662][ T5498]  do_new_mount+0x24a/0xa40
[  238.554151][ T5498]  __se_sys_mount+0x2e3/0x3d0
[  238.558901][ T5498]  ? __x64_sys_mount+0xc0/0xc0
[  238.563653][ T5498]  ? lockdep_hardirqs_on+0x94/0x140
[  238.568832][ T5498]  ? __x64_sys_mount+0x1c/0xc0
[  238.573588][ T5498]  do_syscall_64+0x4c/0xa0
[  238.577983][ T5498]  ? clear_bhb_loop+0x30/0x80
[  238.582650][ T5498]  ? clear_bhb_loop+0x30/0x80
[  238.587317][ T5498]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.593275][ T5498] RIP: 0033:0x7f0340398a8a
[  238.597758][ T5498] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  238.617351][ T5498] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.625759][ T5498] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  238.633723][ T5498] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  238.641690][ T5498] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  238.649647][ T5498] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  238.657694][ T5498] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  238.665762][ T5498]  </TASK>
[  238.669878][ T5498] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  238.683948][ T5498] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  239.003815][ T5500] loop1: detected capacity change from 0 to 32768
[  239.058461][ T5500] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  239.066866][ T5500] CPU: 0 PID: 5500 Comm: syz.1.203 Not tainted syzkaller #0
[  239.074445][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  239.084512][ T5500] Call Trace:
[  239.087815][ T5500]  <TASK>
[  239.090750][ T5500]  dump_stack_lvl+0x188/0x250
[  239.095449][ T5500]  ? show_regs_print_info+0x20/0x20
[  239.100664][ T5500]  ? load_image+0x400/0x400
[  239.105200][ T5500]  sysfs_create_dir_ns+0x26a/0x290
[  239.110467][ T5500]  ? sysfs_warn_dup+0xa0/0xa0
[  239.115170][ T5500]  ? do_raw_spin_unlock+0x11d/0x230
[  239.120398][ T5500]  kobject_add_internal+0x6e0/0xd90
[  239.125619][ T5500]  kobject_init_and_add+0x128/0x190
[  239.130901][ T5500]  ? lockdep_softirqs_off+0x430/0x430
[  239.136270][ T5500]  ? kobject_add+0x230/0x230
[  239.140850][ T5500]  ? __init_swait_queue_head+0xa5/0x150
[  239.146565][ T5500]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.151366][ T5500]  ? gfs2_recover_set+0x240/0x240
[  239.156379][ T5500]  ? snprintf+0xe5/0x140
[  239.160712][ T5500]  ? __free_pages+0x95/0x1a0
[  239.165296][ T5500]  ? vscnprintf+0x80/0x80
[  239.169613][ T5500]  gfs2_fill_super+0x120f/0x1f00
[  239.174548][ T5500]  ? gfs2_reconfigure+0xd30/0xd30
[  239.179567][ T5500]  ? sb_set_blocksize+0xa5/0xe0
[  239.184402][ T5500]  get_tree_bdev+0x3f1/0x610
[  239.189062][ T5500]  ? gfs2_reconfigure+0xd30/0xd30
[  239.194067][ T5500]  gfs2_get_tree+0x4d/0x1e0
[  239.198552][ T5500]  vfs_get_tree+0x88/0x270
[  239.202968][ T5500]  do_new_mount+0x24a/0xa40
[  239.207491][ T5500]  __se_sys_mount+0x2e3/0x3d0
[  239.212197][ T5500]  ? __x64_sys_mount+0xc0/0xc0
[  239.216955][ T5500]  ? lockdep_hardirqs_on+0x94/0x140
[  239.222156][ T5500]  ? __x64_sys_mount+0x1c/0xc0
[  239.226905][ T5500]  do_syscall_64+0x4c/0xa0
[  239.231322][ T5500]  ? clear_bhb_loop+0x30/0x80
[  239.235984][ T5500]  ? clear_bhb_loop+0x30/0x80
[  239.240648][ T5500]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.246527][ T5500] RIP: 0033:0x7f0340398a8a
[  239.251022][ T5500] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.270615][ T5500] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.279035][ T5500] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  239.287101][ T5500] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  239.295090][ T5500] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  239.303056][ T5500] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  239.311052][ T5500] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  239.319027][ T5500]  </TASK>
[  239.323545][ T5500] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  239.338675][ T5500] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/05/22 15:05:59 executed programs: 189
[  239.653417][ T5502] loop1: detected capacity change from 0 to 32768
[  239.725050][ T5502] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  239.733173][ T5502] CPU: 1 PID: 5502 Comm: syz.1.204 Not tainted syzkaller #0
[  239.740467][ T5502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  239.750532][ T5502] Call Trace:
[  239.753823][ T5502]  <TASK>
[  239.756761][ T5502]  dump_stack_lvl+0x188/0x250
[  239.761459][ T5502]  ? show_regs_print_info+0x20/0x20
[  239.766680][ T5502]  ? load_image+0x400/0x400
[  239.771201][ T5502]  sysfs_create_dir_ns+0x26a/0x290
[  239.776323][ T5502]  ? sysfs_warn_dup+0xa0/0xa0
[  239.781015][ T5502]  ? do_raw_spin_unlock+0x11d/0x230
[  239.786317][ T5502]  kobject_add_internal+0x6e0/0xd90
[  239.791623][ T5502]  kobject_init_and_add+0x128/0x190
[  239.796832][ T5502]  ? lockdep_softirqs_off+0x430/0x430
[  239.802245][ T5502]  ? kobject_add+0x230/0x230
[  239.806848][ T5502]  ? __init_swait_queue_head+0xa5/0x150
[  239.812846][ T5502]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.817633][ T5502]  ? gfs2_recover_set+0x240/0x240
[  239.822648][ T5502]  ? snprintf+0xe5/0x140
[  239.826876][ T5502]  ? __free_pages+0x95/0x1a0
[  239.831451][ T5502]  ? vscnprintf+0x80/0x80
[  239.835767][ T5502]  gfs2_fill_super+0x120f/0x1f00
[  239.840813][ T5502]  ? gfs2_reconfigure+0xd30/0xd30
[  239.845864][ T5502]  ? sb_set_blocksize+0xa5/0xe0
[  239.850704][ T5502]  get_tree_bdev+0x3f1/0x610
[  239.855311][ T5502]  ? gfs2_reconfigure+0xd30/0xd30
[  239.860329][ T5502]  gfs2_get_tree+0x4d/0x1e0
[  239.864830][ T5502]  vfs_get_tree+0x88/0x270
[  239.869261][ T5502]  do_new_mount+0x24a/0xa40
[  239.873750][ T5502]  __se_sys_mount+0x2e3/0x3d0
[  239.878417][ T5502]  ? __x64_sys_mount+0xc0/0xc0
[  239.883164][ T5502]  ? lockdep_hardirqs_on+0x94/0x140
[  239.888348][ T5502]  ? __x64_sys_mount+0x1c/0xc0
[  239.893115][ T5502]  do_syscall_64+0x4c/0xa0
[  239.897523][ T5502]  ? clear_bhb_loop+0x30/0x80
[  239.902183][ T5502]  ? clear_bhb_loop+0x30/0x80
[  239.906843][ T5502]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.912901][ T5502] RIP: 0033:0x7f0340398a8a
[  239.917304][ T5502] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.936992][ T5502] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.945529][ T5502] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  239.953491][ T5502] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  239.961452][ T5502] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  239.969408][ T5502] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  239.977361][ T5502] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  239.985325][ T5502]  </TASK>
[  239.988800][ T5502] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  240.002814][ T5502] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  240.314035][ T5504] loop1: detected capacity change from 0 to 32768
[  240.405126][ T5504] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  240.413395][ T5504] CPU: 0 PID: 5504 Comm: syz.1.205 Not tainted syzkaller #0
[  240.420705][ T5504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  240.430860][ T5504] Call Trace:
[  240.434152][ T5504]  <TASK>
[  240.437097][ T5504]  dump_stack_lvl+0x188/0x250
[  240.441885][ T5504]  ? show_regs_print_info+0x20/0x20
[  240.447100][ T5504]  ? load_image+0x400/0x400
[  240.451610][ T5504]  sysfs_create_dir_ns+0x26a/0x290
[  240.456707][ T5504]  ? sysfs_warn_dup+0xa0/0xa0
[  240.461369][ T5504]  ? do_raw_spin_unlock+0x11d/0x230
[  240.466566][ T5504]  kobject_add_internal+0x6e0/0xd90
[  240.471761][ T5504]  kobject_init_and_add+0x128/0x190
[  240.476949][ T5504]  ? lockdep_softirqs_off+0x430/0x430
[  240.482327][ T5504]  ? kobject_add+0x230/0x230
[  240.487086][ T5504]  ? __init_swait_queue_head+0xa5/0x150
[  240.492625][ T5504]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.497372][ T5504]  ? gfs2_recover_set+0x240/0x240
[  240.502391][ T5504]  ? snprintf+0xe5/0x140
[  240.506634][ T5504]  ? __free_pages+0x95/0x1a0
[  240.511244][ T5504]  ? vscnprintf+0x80/0x80
[  240.515572][ T5504]  gfs2_fill_super+0x120f/0x1f00
[  240.520508][ T5504]  ? gfs2_reconfigure+0xd30/0xd30
[  240.525522][ T5504]  ? sb_set_blocksize+0xa5/0xe0
[  240.530369][ T5504]  get_tree_bdev+0x3f1/0x610
[  240.534945][ T5504]  ? gfs2_reconfigure+0xd30/0xd30
[  240.539962][ T5504]  gfs2_get_tree+0x4d/0x1e0
[  240.544469][ T5504]  vfs_get_tree+0x88/0x270
[  240.548872][ T5504]  do_new_mount+0x24a/0xa40
[  240.553363][ T5504]  __se_sys_mount+0x2e3/0x3d0
[  240.558021][ T5504]  ? __x64_sys_mount+0xc0/0xc0
[  240.562775][ T5504]  ? lockdep_hardirqs_on+0x94/0x140
[  240.567971][ T5504]  ? __x64_sys_mount+0x1c/0xc0
[  240.572750][ T5504]  do_syscall_64+0x4c/0xa0
[  240.577154][ T5504]  ? clear_bhb_loop+0x30/0x80
[  240.581827][ T5504]  ? clear_bhb_loop+0x30/0x80
[  240.586490][ T5504]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.592365][ T5504] RIP: 0033:0x7f0340398a8a
[  240.596767][ T5504] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.616362][ T5504] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.624759][ T5504] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  240.632738][ T5504] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  240.640718][ T5504] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  240.648762][ T5504] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  240.656718][ T5504] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  240.664684][ T5504]  </TASK>
[  240.669006][ T5504] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  240.682769][ T5504] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  240.994822][ T5506] loop1: detected capacity change from 0 to 32768
[  241.041346][ T5506] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  241.051975][ T5506] CPU: 1 PID: 5506 Comm: syz.1.206 Not tainted syzkaller #0
[  241.059298][ T5506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  241.069361][ T5506] Call Trace:
[  241.072646][ T5506]  <TASK>
[  241.075582][ T5506]  dump_stack_lvl+0x188/0x250
[  241.080279][ T5506]  ? show_regs_print_info+0x20/0x20
[  241.085483][ T5506]  ? load_image+0x400/0x400
[  241.090007][ T5506]  sysfs_create_dir_ns+0x26a/0x290
[  241.095136][ T5506]  ? sysfs_warn_dup+0xa0/0xa0
[  241.099818][ T5506]  ? do_raw_spin_unlock+0x11d/0x230
[  241.105037][ T5506]  kobject_add_internal+0x6e0/0xd90
[  241.110247][ T5506]  kobject_init_and_add+0x128/0x190
[  241.115559][ T5506]  ? lockdep_softirqs_off+0x430/0x430
[  241.120938][ T5506]  ? kobject_add+0x230/0x230
[  241.125517][ T5506]  ? __init_swait_queue_head+0xa5/0x150
[  241.131049][ T5506]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.135796][ T5506]  ? gfs2_recover_set+0x240/0x240
[  241.140799][ T5506]  ? snprintf+0xe5/0x140
[  241.145022][ T5506]  ? __free_pages+0x95/0x1a0
[  241.149592][ T5506]  ? vscnprintf+0x80/0x80
[  241.153907][ T5506]  gfs2_fill_super+0x120f/0x1f00
[  241.158829][ T5506]  ? gfs2_reconfigure+0xd30/0xd30
[  241.163845][ T5506]  ? sb_set_blocksize+0xa5/0xe0
[  241.168695][ T5506]  get_tree_bdev+0x3f1/0x610
[  241.173270][ T5506]  ? gfs2_reconfigure+0xd30/0xd30
[  241.178278][ T5506]  gfs2_get_tree+0x4d/0x1e0
[  241.182768][ T5506]  vfs_get_tree+0x88/0x270
[  241.187169][ T5506]  do_new_mount+0x24a/0xa40
[  241.191657][ T5506]  __se_sys_mount+0x2e3/0x3d0
[  241.196312][ T5506]  ? __x64_sys_mount+0xc0/0xc0
[  241.201058][ T5506]  ? lockdep_hardirqs_on+0x94/0x140
[  241.206332][ T5506]  ? __x64_sys_mount+0x1c/0xc0
[  241.211084][ T5506]  do_syscall_64+0x4c/0xa0
[  241.216106][ T5506]  ? clear_bhb_loop+0x30/0x80
[  241.220778][ T5506]  ? clear_bhb_loop+0x30/0x80
[  241.225610][ T5506]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.231589][ T5506] RIP: 0033:0x7f0340398a8a
[  241.235988][ T5506] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.255582][ T5506] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.264005][ T5506] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  241.271965][ T5506] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  241.279924][ T5506] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  241.287968][ T5506] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  241.295928][ T5506] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  241.304018][ T5506]  </TASK>
[  241.308130][ T5506] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  241.322003][ T5506] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  241.645426][ T5508] loop1: detected capacity change from 0 to 32768
[  241.701768][ T5508] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  241.715020][ T5508] CPU: 1 PID: 5508 Comm: syz.1.207 Not tainted syzkaller #0
[  241.722391][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  241.732542][ T5508] Call Trace:
[  241.735828][ T5508]  <TASK>
[  241.738758][ T5508]  dump_stack_lvl+0x188/0x250
[  241.743447][ T5508]  ? show_regs_print_info+0x20/0x20
[  241.748664][ T5508]  ? load_image+0x400/0x400
[  241.753290][ T5508]  sysfs_create_dir_ns+0x26a/0x290
[  241.758464][ T5508]  ? sysfs_warn_dup+0xa0/0xa0
[  241.763149][ T5508]  ? do_raw_spin_unlock+0x11d/0x230
[  241.768362][ T5508]  kobject_add_internal+0x6e0/0xd90
[  241.773578][ T5508]  kobject_init_and_add+0x128/0x190
[  241.778781][ T5508]  ? lockdep_softirqs_off+0x430/0x430
[  241.784168][ T5508]  ? kobject_add+0x230/0x230
[  241.788751][ T5508]  ? __init_swait_queue_head+0xa5/0x150
[  241.794285][ T5508]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.799038][ T5508]  ? gfs2_recover_set+0x240/0x240
[  241.804128][ T5508]  ? snprintf+0xe5/0x140
[  241.808356][ T5508]  ? __free_pages+0x95/0x1a0
[  241.812933][ T5508]  ? vscnprintf+0x80/0x80
[  241.817264][ T5508]  gfs2_fill_super+0x120f/0x1f00
[  241.822232][ T5508]  ? gfs2_reconfigure+0xd30/0xd30
[  241.827249][ T5508]  ? sb_set_blocksize+0xa5/0xe0
[  241.832079][ T5508]  get_tree_bdev+0x3f1/0x610
[  241.836651][ T5508]  ? gfs2_reconfigure+0xd30/0xd30
[  241.841747][ T5508]  gfs2_get_tree+0x4d/0x1e0
[  241.846232][ T5508]  vfs_get_tree+0x88/0x270
[  241.850626][ T5508]  do_new_mount+0x24a/0xa40
[  241.855110][ T5508]  __se_sys_mount+0x2e3/0x3d0
[  241.859768][ T5508]  ? __x64_sys_mount+0xc0/0xc0
[  241.864511][ T5508]  ? lockdep_hardirqs_on+0x94/0x140
[  241.869688][ T5508]  ? __x64_sys_mount+0x1c/0xc0
[  241.874440][ T5508]  do_syscall_64+0x4c/0xa0
[  241.878921][ T5508]  ? clear_bhb_loop+0x30/0x80
[  241.883587][ T5508]  ? clear_bhb_loop+0x30/0x80
[  241.888251][ T5508]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.894125][ T5508] RIP: 0033:0x7f0340398a8a
[  241.898536][ T5508] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.918216][ T5508] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.926630][ T5508] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  241.934688][ T5508] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  241.942639][ T5508] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  241.950589][ T5508] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  241.958547][ T5508] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  241.966523][ T5508]  </TASK>
[  241.970624][ T5508] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  241.984487][ T5508] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  242.297741][ T5510] loop1: detected capacity change from 0 to 32768
[  242.326697][ T5077] Bluetooth: hci1: command 0x0406 tx timeout
[  242.349006][ T5510] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  242.360309][ T5510] CPU: 1 PID: 5510 Comm: syz.1.208 Not tainted syzkaller #0
[  242.367721][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  242.377789][ T5510] Call Trace:
[  242.381082][ T5510]  <TASK>
[  242.384029][ T5510]  dump_stack_lvl+0x188/0x250
[  242.388811][ T5510]  ? show_regs_print_info+0x20/0x20
[  242.394021][ T5510]  ? load_image+0x400/0x400
[  242.398551][ T5510]  sysfs_create_dir_ns+0x26a/0x290
[  242.403740][ T5510]  ? sysfs_warn_dup+0xa0/0xa0
[  242.408436][ T5510]  ? do_raw_spin_unlock+0x11d/0x230
[  242.413742][ T5510]  kobject_add_internal+0x6e0/0xd90
[  242.419142][ T5510]  kobject_init_and_add+0x128/0x190
[  242.424352][ T5510]  ? lockdep_softirqs_off+0x430/0x430
[  242.429742][ T5510]  ? kobject_add+0x230/0x230
[  242.434353][ T5510]  ? __init_swait_queue_head+0xa5/0x150
[  242.439911][ T5510]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.444672][ T5510]  ? gfs2_recover_set+0x240/0x240
[  242.449677][ T5510]  ? snprintf+0xe5/0x140
[  242.453897][ T5510]  ? __free_pages+0x95/0x1a0
[  242.458476][ T5510]  ? vscnprintf+0x80/0x80
[  242.462789][ T5510]  gfs2_fill_super+0x120f/0x1f00
[  242.467714][ T5510]  ? gfs2_reconfigure+0xd30/0xd30
[  242.472759][ T5510]  ? sb_set_blocksize+0xa5/0xe0
[  242.477606][ T5510]  get_tree_bdev+0x3f1/0x610
[  242.482192][ T5510]  ? gfs2_reconfigure+0xd30/0xd30
[  242.487200][ T5510]  gfs2_get_tree+0x4d/0x1e0
[  242.491688][ T5510]  vfs_get_tree+0x88/0x270
[  242.496089][ T5510]  do_new_mount+0x24a/0xa40
[  242.500718][ T5510]  __se_sys_mount+0x2e3/0x3d0
[  242.505394][ T5510]  ? __x64_sys_mount+0xc0/0xc0
[  242.510151][ T5510]  ? lockdep_hardirqs_on+0x94/0x140
[  242.515338][ T5510]  ? __x64_sys_mount+0x1c/0xc0
[  242.520087][ T5510]  do_syscall_64+0x4c/0xa0
[  242.524488][ T5510]  ? clear_bhb_loop+0x30/0x80
[  242.529146][ T5510]  ? clear_bhb_loop+0x30/0x80
[  242.533803][ T5510]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.539678][ T5510] RIP: 0033:0x7f0340398a8a
[  242.544073][ T5510] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.563745][ T5510] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.572144][ T5510] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  242.580119][ T5510] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  242.588076][ T5510] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  242.596025][ T5510] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  242.603976][ T5510] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  242.612023][ T5510]  </TASK>
[  242.623635][ T5510] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  242.637465][ T5510] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  242.945605][ T5512] loop1: detected capacity change from 0 to 32768
[  242.996801][ T5512] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  243.004916][ T5512] CPU: 1 PID: 5512 Comm: syz.1.209 Not tainted syzkaller #0
[  243.012295][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  243.022366][ T5512] Call Trace:
[  243.025663][ T5512]  <TASK>
[  243.028599][ T5512]  dump_stack_lvl+0x188/0x250
[  243.033287][ T5512]  ? show_regs_print_info+0x20/0x20
[  243.038489][ T5512]  ? load_image+0x400/0x400
[  243.043016][ T5512]  sysfs_create_dir_ns+0x26a/0x290
[  243.048142][ T5512]  ? sysfs_warn_dup+0xa0/0xa0
[  243.052826][ T5512]  ? do_raw_spin_unlock+0x11d/0x230
[  243.058046][ T5512]  kobject_add_internal+0x6e0/0xd90
[  243.063271][ T5512]  kobject_init_and_add+0x128/0x190
[  243.068483][ T5512]  ? lockdep_softirqs_off+0x430/0x430
[  243.073967][ T5512]  ? kobject_add+0x230/0x230
[  243.078563][ T5512]  ? __init_swait_queue_head+0xa5/0x150
[  243.084121][ T5512]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.088868][ T5512]  ? gfs2_recover_set+0x240/0x240
[  243.094139][ T5512]  ? snprintf+0xe5/0x140
[  243.098362][ T5512]  ? __free_pages+0x95/0x1a0
[  243.102956][ T5512]  ? vscnprintf+0x80/0x80
[  243.107275][ T5512]  gfs2_fill_super+0x120f/0x1f00
[  243.112219][ T5512]  ? gfs2_reconfigure+0xd30/0xd30
[  243.117242][ T5512]  ? sb_set_blocksize+0xa5/0xe0
[  243.122166][ T5512]  get_tree_bdev+0x3f1/0x610
[  243.126757][ T5512]  ? gfs2_reconfigure+0xd30/0xd30
[  243.131766][ T5512]  gfs2_get_tree+0x4d/0x1e0
[  243.136250][ T5512]  vfs_get_tree+0x88/0x270
[  243.140645][ T5512]  do_new_mount+0x24a/0xa40
[  243.145128][ T5512]  __se_sys_mount+0x2e3/0x3d0
[  243.149800][ T5512]  ? __x64_sys_mount+0xc0/0xc0
[  243.154541][ T5512]  ? lockdep_hardirqs_on+0x94/0x140
[  243.159736][ T5512]  ? __x64_sys_mount+0x1c/0xc0
[  243.164484][ T5512]  do_syscall_64+0x4c/0xa0
[  243.168882][ T5512]  ? clear_bhb_loop+0x30/0x80
[  243.173538][ T5512]  ? clear_bhb_loop+0x30/0x80
[  243.178194][ T5512]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.184064][ T5512] RIP: 0033:0x7f0340398a8a
[  243.188457][ T5512] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.208136][ T5512] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.216657][ T5512] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  243.224698][ T5512] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  243.232653][ T5512] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  243.240607][ T5512] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  243.248558][ T5512] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  243.256555][ T5512]  </TASK>
[  243.260874][ T5512] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  243.274641][ T5512] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  243.604961][ T5514] loop1: detected capacity change from 0 to 32768
[  243.649012][ T5514] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  243.657598][ T5514] CPU: 1 PID: 5514 Comm: syz.1.210 Not tainted syzkaller #0
[  243.665031][ T5514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  243.675100][ T5514] Call Trace:
[  243.678398][ T5514]  <TASK>
[  243.681406][ T5514]  dump_stack_lvl+0x188/0x250
[  243.686110][ T5514]  ? show_regs_print_info+0x20/0x20
[  243.691327][ T5514]  ? load_image+0x400/0x400
[  243.695862][ T5514]  sysfs_create_dir_ns+0x26a/0x290
[  243.701023][ T5514]  ? sysfs_warn_dup+0xa0/0xa0
[  243.705723][ T5514]  ? do_raw_spin_unlock+0x11d/0x230
[  243.710963][ T5514]  kobject_add_internal+0x6e0/0xd90
[  243.716199][ T5514]  kobject_init_and_add+0x128/0x190
[  243.721505][ T5514]  ? lockdep_softirqs_off+0x430/0x430
[  243.726904][ T5514]  ? kobject_add+0x230/0x230
[  243.731606][ T5514]  ? __init_swait_queue_head+0xa5/0x150
[  243.737177][ T5514]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.741962][ T5514]  ? gfs2_recover_set+0x240/0x240
[  243.747100][ T5514]  ? snprintf+0xe5/0x140
[  243.751336][ T5514]  ? __free_pages+0x95/0x1a0
[  243.756004][ T5514]  ? vscnprintf+0x80/0x80
[  243.760325][ T5514]  gfs2_fill_super+0x120f/0x1f00
[  243.765310][ T5514]  ? gfs2_reconfigure+0xd30/0xd30
[  243.770322][ T5514]  ? sb_set_blocksize+0xa5/0xe0
[  243.775150][ T5514]  get_tree_bdev+0x3f1/0x610
[  243.779719][ T5514]  ? gfs2_reconfigure+0xd30/0xd30
[  243.784837][ T5514]  gfs2_get_tree+0x4d/0x1e0
[  243.789342][ T5514]  vfs_get_tree+0x88/0x270
[  243.793746][ T5514]  do_new_mount+0x24a/0xa40
[  243.798239][ T5514]  __se_sys_mount+0x2e3/0x3d0
[  243.802904][ T5514]  ? __x64_sys_mount+0xc0/0xc0
[  243.807847][ T5514]  ? lockdep_hardirqs_on+0x94/0x140
[  243.813055][ T5514]  ? __x64_sys_mount+0x1c/0xc0
[  243.817807][ T5514]  do_syscall_64+0x4c/0xa0
[  243.822211][ T5514]  ? clear_bhb_loop+0x30/0x80
[  243.826876][ T5514]  ? clear_bhb_loop+0x30/0x80
[  243.831543][ T5514]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.837431][ T5514] RIP: 0033:0x7f0340398a8a
[  243.841842][ T5514] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.861443][ T5514] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.869870][ T5514] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  243.878000][ T5514] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  243.885953][ T5514] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  243.893914][ T5514] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  243.901864][ T5514] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  243.909824][ T5514]  </TASK>
[  243.921555][ T5514] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  243.935580][ T5514] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  244.244780][ T5516] loop1: detected capacity change from 0 to 32768
[  244.262915][ T5516] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  244.271202][ T5516] CPU: 0 PID: 5516 Comm: syz.1.211 Not tainted syzkaller #0
[  244.278516][ T5516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  244.288588][ T5516] Call Trace:
[  244.291874][ T5516]  <TASK>
[  244.294809][ T5516]  dump_stack_lvl+0x188/0x250
[  244.299499][ T5516]  ? show_regs_print_info+0x20/0x20
[  244.304755][ T5516]  ? load_image+0x400/0x400
[  244.309282][ T5516]  sysfs_create_dir_ns+0x26a/0x290
[  244.314408][ T5516]  ? sysfs_warn_dup+0xa0/0xa0
[  244.319097][ T5516]  ? do_raw_spin_unlock+0x11d/0x230
[  244.324321][ T5516]  kobject_add_internal+0x6e0/0xd90
[  244.329550][ T5516]  kobject_init_and_add+0x128/0x190
[  244.334762][ T5516]  ? lockdep_softirqs_off+0x430/0x430
[  244.340154][ T5516]  ? kobject_add+0x230/0x230
[  244.344754][ T5516]  ? __init_swait_queue_head+0xa5/0x150
[  244.350299][ T5516]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.355148][ T5516]  ? gfs2_recover_set+0x240/0x240
[  244.360171][ T5516]  ? snprintf+0xe5/0x140
[  244.364411][ T5516]  ? __free_pages+0x95/0x1a0
[  244.368998][ T5516]  ? vscnprintf+0x80/0x80
[  244.373318][ T5516]  gfs2_fill_super+0x120f/0x1f00
[  244.378258][ T5516]  ? gfs2_reconfigure+0xd30/0xd30
[  244.383327][ T5516]  ? sb_set_blocksize+0xa5/0xe0
[  244.388174][ T5516]  get_tree_bdev+0x3f1/0x610
[  244.392779][ T5516]  ? gfs2_reconfigure+0xd30/0xd30
[  244.397901][ T5516]  gfs2_get_tree+0x4d/0x1e0
[  244.402410][ T5516]  vfs_get_tree+0x88/0x270
[  244.406903][ T5516]  do_new_mount+0x24a/0xa40
[  244.411411][ T5516]  __se_sys_mount+0x2e3/0x3d0
[  244.416076][ T5516]  ? __x64_sys_mount+0xc0/0xc0
[  244.420823][ T5516]  ? lockdep_hardirqs_on+0x94/0x140
[  244.426005][ T5516]  ? __x64_sys_mount+0x1c/0xc0
[  244.430752][ T5516]  do_syscall_64+0x4c/0xa0
[  244.435242][ T5516]  ? clear_bhb_loop+0x30/0x80
[  244.439919][ T5516]  ? clear_bhb_loop+0x30/0x80
[  244.444578][ T5516]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.450453][ T5516] RIP: 0033:0x7f0340398a8a
[  244.454888][ T5516] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.474765][ T5516] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.483172][ T5516] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  244.491137][ T5516] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  244.499096][ T5516] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  244.507063][ T5516] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  244.515134][ T5516] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  244.523101][ T5516]  </TASK>
[  244.527446][ T5516] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  244.541297][ T5516] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/05/22 15:06:04 executed programs: 197
[  244.874071][ T5518] loop1: detected capacity change from 0 to 32768
[  244.916770][ T5518] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  244.924890][ T5518] CPU: 1 PID: 5518 Comm: syz.1.212 Not tainted syzkaller #0
[  244.932185][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  244.942432][ T5518] Call Trace:
[  244.945724][ T5518]  <TASK>
[  244.948658][ T5518]  dump_stack_lvl+0x188/0x250
[  244.953362][ T5518]  ? show_regs_print_info+0x20/0x20
[  244.958579][ T5518]  ? load_image+0x400/0x400
[  244.963100][ T5518]  sysfs_create_dir_ns+0x26a/0x290
[  244.968219][ T5518]  ? sysfs_warn_dup+0xa0/0xa0
[  244.972923][ T5518]  ? do_raw_spin_unlock+0x11d/0x230
[  244.978143][ T5518]  kobject_add_internal+0x6e0/0xd90
[  244.983450][ T5518]  kobject_init_and_add+0x128/0x190
[  244.988755][ T5518]  ? lockdep_softirqs_off+0x430/0x430
[  244.994137][ T5518]  ? kobject_add+0x230/0x230
[  244.998733][ T5518]  ? __init_swait_queue_head+0xa5/0x150
[  245.004273][ T5518]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.009020][ T5518]  ? gfs2_recover_set+0x240/0x240
[  245.014024][ T5518]  ? snprintf+0xe5/0x140
[  245.018351][ T5518]  ? __free_pages+0x95/0x1a0
[  245.023017][ T5518]  ? vscnprintf+0x80/0x80
[  245.027514][ T5518]  gfs2_fill_super+0x120f/0x1f00
[  245.032459][ T5518]  ? gfs2_reconfigure+0xd30/0xd30
[  245.037477][ T5518]  ? sb_set_blocksize+0xa5/0xe0
[  245.042308][ T5518]  get_tree_bdev+0x3f1/0x610
[  245.046879][ T5518]  ? gfs2_reconfigure+0xd30/0xd30
[  245.051882][ T5518]  gfs2_get_tree+0x4d/0x1e0
[  245.056370][ T5518]  vfs_get_tree+0x88/0x270
[  245.060774][ T5518]  do_new_mount+0x24a/0xa40
[  245.065258][ T5518]  __se_sys_mount+0x2e3/0x3d0
[  245.069917][ T5518]  ? __x64_sys_mount+0xc0/0xc0
[  245.074665][ T5518]  ? lockdep_hardirqs_on+0x94/0x140
[  245.079860][ T5518]  ? __x64_sys_mount+0x1c/0xc0
[  245.084604][ T5518]  do_syscall_64+0x4c/0xa0
[  245.089003][ T5518]  ? clear_bhb_loop+0x30/0x80
[  245.093657][ T5518]  ? clear_bhb_loop+0x30/0x80
[  245.098310][ T5518]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.104181][ T5518] RIP: 0033:0x7f0340398a8a
[  245.108663][ T5518] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.128256][ T5518] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.136658][ T5518] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  245.144613][ T5518] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  245.152597][ T5518] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  245.160552][ T5518] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  245.168680][ T5518] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  245.176654][ T5518]  </TASK>
[  245.184606][ T5518] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  245.198805][ T5518] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  245.495628][ T5520] loop1: detected capacity change from 0 to 32768
[  245.546765][ T5520] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  245.554878][ T5520] CPU: 0 PID: 5520 Comm: syz.1.213 Not tainted syzkaller #0
[  245.562174][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  245.572245][ T5520] Call Trace:
[  245.575530][ T5520]  <TASK>
[  245.578477][ T5520]  dump_stack_lvl+0x188/0x250
[  245.583165][ T5520]  ? show_regs_print_info+0x20/0x20
[  245.588383][ T5520]  ? load_image+0x400/0x400
[  245.592909][ T5520]  sysfs_create_dir_ns+0x26a/0x290
[  245.598037][ T5520]  ? sysfs_warn_dup+0xa0/0xa0
[  245.602724][ T5520]  ? do_raw_spin_unlock+0x11d/0x230
[  245.607936][ T5520]  kobject_add_internal+0x6e0/0xd90
[  245.613153][ T5520]  kobject_init_and_add+0x128/0x190
[  245.618366][ T5520]  ? lockdep_softirqs_off+0x430/0x430
[  245.623754][ T5520]  ? kobject_add+0x230/0x230
[  245.628349][ T5520]  ? __init_swait_queue_head+0xa5/0x150
[  245.633889][ T5520]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.638642][ T5520]  ? gfs2_recover_set+0x240/0x240
[  245.643669][ T5520]  ? snprintf+0xe5/0x140
[  245.647892][ T5520]  ? __free_pages+0x95/0x1a0
[  245.652467][ T5520]  ? vscnprintf+0x80/0x80
[  245.656790][ T5520]  gfs2_fill_super+0x120f/0x1f00
[  245.661737][ T5520]  ? gfs2_reconfigure+0xd30/0xd30
[  245.666757][ T5520]  ? sb_set_blocksize+0xa5/0xe0
[  245.671671][ T5520]  get_tree_bdev+0x3f1/0x610
[  245.676243][ T5520]  ? gfs2_reconfigure+0xd30/0xd30
[  245.681251][ T5520]  gfs2_get_tree+0x4d/0x1e0
[  245.685760][ T5520]  vfs_get_tree+0x88/0x270
[  245.690250][ T5520]  do_new_mount+0x24a/0xa40
[  245.694830][ T5520]  __se_sys_mount+0x2e3/0x3d0
[  245.699490][ T5520]  ? __x64_sys_mount+0xc0/0xc0
[  245.704248][ T5520]  ? lockdep_hardirqs_on+0x94/0x140
[  245.709430][ T5520]  ? __x64_sys_mount+0x1c/0xc0
[  245.714179][ T5520]  do_syscall_64+0x4c/0xa0
[  245.718696][ T5520]  ? clear_bhb_loop+0x30/0x80
[  245.723452][ T5520]  ? clear_bhb_loop+0x30/0x80
[  245.728123][ T5520]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.734014][ T5520] RIP: 0033:0x7f0340398a8a
[  245.738431][ T5520] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.758468][ T5520] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.766889][ T5520] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  245.774850][ T5520] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  245.782808][ T5520] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  245.790770][ T5520] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  245.798733][ T5520] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  245.806724][ T5520]  </TASK>
[  245.810826][ T5520] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  245.824596][ T5520] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  246.133123][ T5522] loop1: detected capacity change from 0 to 32768
[  246.184928][ T5522] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  246.193035][ T5522] CPU: 0 PID: 5522 Comm: syz.1.214 Not tainted syzkaller #0
[  246.200327][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  246.210391][ T5522] Call Trace:
[  246.213685][ T5522]  <TASK>
[  246.216639][ T5522]  dump_stack_lvl+0x188/0x250
[  246.221349][ T5522]  ? show_regs_print_info+0x20/0x20
[  246.226567][ T5522]  ? load_image+0x400/0x400
[  246.231093][ T5522]  sysfs_create_dir_ns+0x26a/0x290
[  246.236317][ T5522]  ? sysfs_warn_dup+0xa0/0xa0
[  246.241100][ T5522]  ? do_raw_spin_unlock+0x11d/0x230
[  246.246316][ T5522]  kobject_add_internal+0x6e0/0xd90
[  246.251618][ T5522]  kobject_init_and_add+0x128/0x190
[  246.256843][ T5522]  ? lockdep_softirqs_off+0x430/0x430
[  246.262233][ T5522]  ? kobject_add+0x230/0x230
[  246.266838][ T5522]  ? __init_swait_queue_head+0xa5/0x150
[  246.272410][ T5522]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.277190][ T5522]  ? gfs2_recover_set+0x240/0x240
[  246.282204][ T5522]  ? snprintf+0xe5/0x140
[  246.286450][ T5522]  ? __free_pages+0x95/0x1a0
[  246.291113][ T5522]  ? vscnprintf+0x80/0x80
[  246.295429][ T5522]  gfs2_fill_super+0x120f/0x1f00
[  246.300359][ T5522]  ? gfs2_reconfigure+0xd30/0xd30
[  246.305379][ T5522]  ? sb_set_blocksize+0xa5/0xe0
[  246.310215][ T5522]  get_tree_bdev+0x3f1/0x610
[  246.314808][ T5522]  ? gfs2_reconfigure+0xd30/0xd30
[  246.319820][ T5522]  gfs2_get_tree+0x4d/0x1e0
[  246.324394][ T5522]  vfs_get_tree+0x88/0x270
[  246.328881][ T5522]  do_new_mount+0x24a/0xa40
[  246.333367][ T5522]  __se_sys_mount+0x2e3/0x3d0
[  246.338030][ T5522]  ? __x64_sys_mount+0xc0/0xc0
[  246.342773][ T5522]  ? lockdep_hardirqs_on+0x94/0x140
[  246.347957][ T5522]  ? __x64_sys_mount+0x1c/0xc0
[  246.352766][ T5522]  do_syscall_64+0x4c/0xa0
[  246.357182][ T5522]  ? clear_bhb_loop+0x30/0x80
[  246.361847][ T5522]  ? clear_bhb_loop+0x30/0x80
[  246.366527][ T5522]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.372415][ T5522] RIP: 0033:0x7f0340398a8a
[  246.376903][ T5522] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.396876][ T5522] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.405311][ T5522] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  246.413296][ T5522] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  246.421257][ T5522] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  246.429237][ T5522] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  246.437193][ T5522] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  246.445262][ T5522]  </TASK>
[  246.449704][ T5522] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  246.463561][ T5522] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  246.790980][ T5524] loop1: detected capacity change from 0 to 32768
[  246.801504][ T5524] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  246.810916][ T5524] CPU: 0 PID: 5524 Comm: syz.1.215 Not tainted syzkaller #0
[  246.818233][ T5524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  246.828395][ T5524] Call Trace:
[  246.831688][ T5524]  <TASK>
[  246.834635][ T5524]  dump_stack_lvl+0x188/0x250
[  246.839329][ T5524]  ? show_regs_print_info+0x20/0x20
[  246.844532][ T5524]  ? load_image+0x400/0x400
[  246.849067][ T5524]  sysfs_create_dir_ns+0x26a/0x290
[  246.854189][ T5524]  ? sysfs_warn_dup+0xa0/0xa0
[  246.858854][ T5524]  ? do_raw_spin_unlock+0x11d/0x230
[  246.864139][ T5524]  kobject_add_internal+0x6e0/0xd90
[  246.869325][ T5524]  kobject_init_and_add+0x128/0x190
[  246.874538][ T5524]  ? lockdep_softirqs_off+0x430/0x430
[  246.879894][ T5524]  ? kobject_add+0x230/0x230
[  246.884467][ T5524]  ? __init_swait_queue_head+0xa5/0x150
[  246.889994][ T5524]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.894740][ T5524]  ? gfs2_recover_set+0x240/0x240
[  246.899745][ T5524]  ? snprintf+0xe5/0x140
[  246.903989][ T5524]  ? __free_pages+0x95/0x1a0
[  246.908592][ T5524]  ? vscnprintf+0x80/0x80
[  246.912914][ T5524]  gfs2_fill_super+0x120f/0x1f00
[  246.917861][ T5524]  ? gfs2_reconfigure+0xd30/0xd30
[  246.922893][ T5524]  ? sb_set_blocksize+0xa5/0xe0
[  246.927726][ T5524]  get_tree_bdev+0x3f1/0x610
[  246.932299][ T5524]  ? gfs2_reconfigure+0xd30/0xd30
[  246.937392][ T5524]  gfs2_get_tree+0x4d/0x1e0
[  246.941878][ T5524]  vfs_get_tree+0x88/0x270
[  246.946288][ T5524]  do_new_mount+0x24a/0xa40
[  246.950781][ T5524]  __se_sys_mount+0x2e3/0x3d0
[  246.955736][ T5524]  ? __x64_sys_mount+0xc0/0xc0
[  246.960588][ T5524]  ? lockdep_hardirqs_on+0x94/0x140
[  246.965769][ T5524]  ? __x64_sys_mount+0x1c/0xc0
[  246.970515][ T5524]  do_syscall_64+0x4c/0xa0
[  246.974933][ T5524]  ? clear_bhb_loop+0x30/0x80
[  246.979602][ T5524]  ? clear_bhb_loop+0x30/0x80
[  246.984345][ T5524]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.990217][ T5524] RIP: 0033:0x7f0340398a8a
[  246.994612][ T5524] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.014197][ T5524] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.022601][ T5524] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  247.030573][ T5524] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  247.038529][ T5524] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  247.046479][ T5524] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  247.054446][ T5524] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  247.062419][ T5524]  </TASK>
[  247.066722][ T5524] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  247.080487][ T5524] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  247.393327][ T5526] loop1: detected capacity change from 0 to 32768
[  247.478461][ T5526] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  247.488610][ T5526] CPU: 1 PID: 5526 Comm: syz.1.216 Not tainted syzkaller #0
[  247.496012][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  247.506075][ T5526] Call Trace:
[  247.509362][ T5526]  <TASK>
[  247.512297][ T5526]  dump_stack_lvl+0x188/0x250
[  247.516986][ T5526]  ? show_regs_print_info+0x20/0x20
[  247.522198][ T5526]  ? load_image+0x400/0x400
[  247.526822][ T5526]  sysfs_create_dir_ns+0x26a/0x290
[  247.531953][ T5526]  ? sysfs_warn_dup+0xa0/0xa0
[  247.536665][ T5526]  ? do_raw_spin_unlock+0x11d/0x230
[  247.541855][ T5526]  kobject_add_internal+0x6e0/0xd90
[  247.547059][ T5526]  kobject_init_and_add+0x128/0x190
[  247.552263][ T5526]  ? lockdep_softirqs_off+0x430/0x430
[  247.557626][ T5526]  ? kobject_add+0x230/0x230
[  247.562206][ T5526]  ? __init_swait_queue_head+0xa5/0x150
[  247.567763][ T5526]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.572513][ T5526]  ? gfs2_recover_set+0x240/0x240
[  247.577519][ T5526]  ? snprintf+0xe5/0x140
[  247.581746][ T5526]  ? __free_pages+0x95/0x1a0
[  247.586323][ T5526]  ? vscnprintf+0x80/0x80
[  247.590635][ T5526]  gfs2_fill_super+0x120f/0x1f00
[  247.595562][ T5526]  ? gfs2_reconfigure+0xd30/0xd30
[  247.600576][ T5526]  ? sb_set_blocksize+0xa5/0xe0
[  247.605412][ T5526]  get_tree_bdev+0x3f1/0x610
[  247.609989][ T5526]  ? gfs2_reconfigure+0xd30/0xd30
[  247.614995][ T5526]  gfs2_get_tree+0x4d/0x1e0
[  247.619480][ T5526]  vfs_get_tree+0x88/0x270
[  247.623879][ T5526]  do_new_mount+0x24a/0xa40
[  247.628386][ T5526]  __se_sys_mount+0x2e3/0x3d0
[  247.633064][ T5526]  ? __x64_sys_mount+0xc0/0xc0
[  247.637823][ T5526]  ? lockdep_hardirqs_on+0x94/0x140
[  247.643027][ T5526]  ? __x64_sys_mount+0x1c/0xc0
[  247.647778][ T5526]  do_syscall_64+0x4c/0xa0
[  247.652179][ T5526]  ? clear_bhb_loop+0x30/0x80
[  247.656868][ T5526]  ? clear_bhb_loop+0x30/0x80
[  247.661588][ T5526]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.667553][ T5526] RIP: 0033:0x7f0340398a8a
[  247.671977][ T5526] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.691650][ T5526] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.700052][ T5526] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  247.708025][ T5526] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  247.716081][ T5526] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  247.724044][ T5526] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  247.732002][ T5526] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  247.739973][ T5526]  </TASK>
[  247.744138][ T5526] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  247.757989][ T5526] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  248.073367][ T5528] loop1: detected capacity change from 0 to 32768
[  248.134897][ T5528] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  248.143166][ T5528] CPU: 0 PID: 5528 Comm: syz.1.217 Not tainted syzkaller #0
[  248.150461][ T5528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  248.160709][ T5528] Call Trace:
[  248.164000][ T5528]  <TASK>
[  248.166970][ T5528]  dump_stack_lvl+0x188/0x250
[  248.171692][ T5528]  ? show_regs_print_info+0x20/0x20
[  248.176898][ T5528]  ? load_image+0x400/0x400
[  248.181423][ T5528]  sysfs_create_dir_ns+0x26a/0x290
[  248.186543][ T5528]  ? sysfs_warn_dup+0xa0/0xa0
[  248.191233][ T5528]  ? do_raw_spin_unlock+0x11d/0x230
[  248.196441][ T5528]  kobject_add_internal+0x6e0/0xd90
[  248.201656][ T5528]  kobject_init_and_add+0x128/0x190
[  248.206962][ T5528]  ? lockdep_softirqs_off+0x430/0x430
[  248.212363][ T5528]  ? kobject_add+0x230/0x230
[  248.216967][ T5528]  ? __init_swait_queue_head+0xa5/0x150
[  248.222533][ T5528]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.227334][ T5528]  ? gfs2_recover_set+0x240/0x240
[  248.232432][ T5528]  ? snprintf+0xe5/0x140
[  248.236659][ T5528]  ? __free_pages+0x95/0x1a0
[  248.241267][ T5528]  ? vscnprintf+0x80/0x80
[  248.245590][ T5528]  gfs2_fill_super+0x120f/0x1f00
[  248.250554][ T5528]  ? gfs2_reconfigure+0xd30/0xd30
[  248.255576][ T5528]  ? sb_set_blocksize+0xa5/0xe0
[  248.260410][ T5528]  get_tree_bdev+0x3f1/0x610
[  248.264991][ T5528]  ? gfs2_reconfigure+0xd30/0xd30
[  248.270121][ T5528]  gfs2_get_tree+0x4d/0x1e0
[  248.274615][ T5528]  vfs_get_tree+0x88/0x270
[  248.279018][ T5528]  do_new_mount+0x24a/0xa40
[  248.283508][ T5528]  __se_sys_mount+0x2e3/0x3d0
[  248.288167][ T5528]  ? __x64_sys_mount+0xc0/0xc0
[  248.292914][ T5528]  ? lockdep_hardirqs_on+0x94/0x140
[  248.298098][ T5528]  ? __x64_sys_mount+0x1c/0xc0
[  248.302982][ T5528]  do_syscall_64+0x4c/0xa0
[  248.307382][ T5528]  ? clear_bhb_loop+0x30/0x80
[  248.312040][ T5528]  ? clear_bhb_loop+0x30/0x80
[  248.316703][ T5528]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.322595][ T5528] RIP: 0033:0x7f0340398a8a
[  248.327069][ T5528] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.346667][ T5528] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.355083][ T5528] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  248.363067][ T5528] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  248.371035][ T5528] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  248.379092][ T5528] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  248.387050][ T5528] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  248.395018][ T5528]  </TASK>
[  248.401239][ T5528] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  248.415201][ T5528] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  248.729828][ T5530] loop1: detected capacity change from 0 to 32768
[  248.786603][ T5530] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  248.794745][ T5530] CPU: 0 PID: 5530 Comm: syz.1.218 Not tainted syzkaller #0
[  248.802050][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  248.812118][ T5530] Call Trace:
[  248.815403][ T5530]  <TASK>
[  248.818337][ T5530]  dump_stack_lvl+0x188/0x250
[  248.823033][ T5530]  ? show_regs_print_info+0x20/0x20
[  248.828247][ T5530]  ? load_image+0x400/0x400
[  248.832859][ T5530]  sysfs_create_dir_ns+0x26a/0x290
[  248.837991][ T5530]  ? sysfs_warn_dup+0xa0/0xa0
[  248.842737][ T5530]  ? do_raw_spin_unlock+0x11d/0x230
[  248.847950][ T5530]  kobject_add_internal+0x6e0/0xd90
[  248.853169][ T5530]  kobject_init_and_add+0x128/0x190
[  248.858369][ T5530]  ? lockdep_softirqs_off+0x430/0x430
[  248.863729][ T5530]  ? kobject_add+0x230/0x230
[  248.868324][ T5530]  ? __init_swait_queue_head+0xa5/0x150
[  248.873854][ T5530]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.878605][ T5530]  ? gfs2_recover_set+0x240/0x240
[  248.883624][ T5530]  ? snprintf+0xe5/0x140
[  248.887845][ T5530]  ? __free_pages+0x95/0x1a0
[  248.892418][ T5530]  ? vscnprintf+0x80/0x80
[  248.896739][ T5530]  gfs2_fill_super+0x120f/0x1f00
[  248.901665][ T5530]  ? gfs2_reconfigure+0xd30/0xd30
[  248.906685][ T5530]  ? sb_set_blocksize+0xa5/0xe0
[  248.911658][ T5530]  get_tree_bdev+0x3f1/0x610
[  248.916229][ T5530]  ? gfs2_reconfigure+0xd30/0xd30
[  248.921234][ T5530]  gfs2_get_tree+0x4d/0x1e0
[  248.925733][ T5530]  vfs_get_tree+0x88/0x270
[  248.930146][ T5530]  do_new_mount+0x24a/0xa40
[  248.934854][ T5530]  __se_sys_mount+0x2e3/0x3d0
[  248.939532][ T5530]  ? __x64_sys_mount+0xc0/0xc0
[  248.944282][ T5530]  ? lockdep_hardirqs_on+0x94/0x140
[  248.949461][ T5530]  ? __x64_sys_mount+0x1c/0xc0
[  248.954302][ T5530]  do_syscall_64+0x4c/0xa0
[  248.958715][ T5530]  ? clear_bhb_loop+0x30/0x80
[  248.963482][ T5530]  ? clear_bhb_loop+0x30/0x80
[  248.968158][ T5530]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.974053][ T5530] RIP: 0033:0x7f0340398a8a
[  248.978541][ T5530] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.998309][ T5530] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.006883][ T5530] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  249.014835][ T5530] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  249.022948][ T5530] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  249.030915][ T5530] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  249.038903][ T5530] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  249.046884][ T5530]  </TASK>
[  249.051127][ T5530] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  249.065263][ T5530] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  249.373246][ T5532] loop1: detected capacity change from 0 to 32768
[  249.434658][ T5532] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  249.443320][ T5532] CPU: 1 PID: 5532 Comm: syz.1.219 Not tainted syzkaller #0
[  249.450629][ T5532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  249.460704][ T5532] Call Trace:
[  249.464087][ T5532]  <TASK>
[  249.467025][ T5532]  dump_stack_lvl+0x188/0x250
[  249.471717][ T5532]  ? show_regs_print_info+0x20/0x20
[  249.476933][ T5532]  ? load_image+0x400/0x400
[  249.481458][ T5532]  sysfs_create_dir_ns+0x26a/0x290
[  249.486581][ T5532]  ? sysfs_warn_dup+0xa0/0xa0
[  249.491276][ T5532]  ? do_raw_spin_unlock+0x11d/0x230
[  249.496482][ T5532]  kobject_add_internal+0x6e0/0xd90
[  249.501692][ T5532]  kobject_init_and_add+0x128/0x190
[  249.506899][ T5532]  ? lockdep_softirqs_off+0x430/0x430
[  249.512384][ T5532]  ? kobject_add+0x230/0x230
[  249.516994][ T5532]  ? __init_swait_queue_head+0xa5/0x150
[  249.522557][ T5532]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.527337][ T5532]  ? gfs2_recover_set+0x240/0x240
[  249.532351][ T5532]  ? snprintf+0xe5/0x140
[  249.536582][ T5532]  ? __free_pages+0x95/0x1a0
[  249.541160][ T5532]  ? vscnprintf+0x80/0x80
[  249.545476][ T5532]  gfs2_fill_super+0x120f/0x1f00
[  249.550413][ T5532]  ? gfs2_reconfigure+0xd30/0xd30
[  249.555446][ T5532]  ? sb_set_blocksize+0xa5/0xe0
[  249.560299][ T5532]  get_tree_bdev+0x3f1/0x610
[  249.564884][ T5532]  ? gfs2_reconfigure+0xd30/0xd30
[  249.569900][ T5532]  gfs2_get_tree+0x4d/0x1e0
[  249.574433][ T5532]  vfs_get_tree+0x88/0x270
[  249.578843][ T5532]  do_new_mount+0x24a/0xa40
[  249.583340][ T5532]  __se_sys_mount+0x2e3/0x3d0
[  249.588007][ T5532]  ? __x64_sys_mount+0xc0/0xc0
[  249.592759][ T5532]  ? lockdep_hardirqs_on+0x94/0x140
[  249.597949][ T5532]  ? __x64_sys_mount+0x1c/0xc0
[  249.602718][ T5532]  do_syscall_64+0x4c/0xa0
[  249.607192][ T5532]  ? clear_bhb_loop+0x30/0x80
[  249.611869][ T5532]  ? clear_bhb_loop+0x30/0x80
[  249.616540][ T5532]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.622434][ T5532] RIP: 0033:0x7f0340398a8a
[  249.626949][ T5532] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  249.646638][ T5532] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.655064][ T5532] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  249.663102][ T5532] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  249.671079][ T5532] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  249.679048][ T5532] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  249.687183][ T5532] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  249.695159][ T5532]  </TASK>
[  249.699312][ T5532] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  249.713117][ T5532] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/05/22 15:06:09 executed programs: 205
[  250.019203][ T5534] loop1: detected capacity change from 0 to 32768
[  250.076321][ T5534] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  250.084524][ T5534] CPU: 1 PID: 5534 Comm: syz.1.220 Not tainted syzkaller #0
[  250.091832][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  250.101902][ T5534] Call Trace:
[  250.105194][ T5534]  <TASK>
[  250.108136][ T5534]  dump_stack_lvl+0x188/0x250
[  250.112836][ T5534]  ? show_regs_print_info+0x20/0x20
[  250.118047][ T5534]  ? load_image+0x400/0x400
[  250.122571][ T5534]  sysfs_create_dir_ns+0x26a/0x290
[  250.127720][ T5534]  ? sysfs_warn_dup+0xa0/0xa0
[  250.132408][ T5534]  ? do_raw_spin_unlock+0x11d/0x230
[  250.137620][ T5534]  kobject_add_internal+0x6e0/0xd90
[  250.142838][ T5534]  kobject_init_and_add+0x128/0x190
[  250.148046][ T5534]  ? lockdep_softirqs_off+0x430/0x430
[  250.153437][ T5534]  ? kobject_add+0x230/0x230
[  250.158043][ T5534]  ? __init_swait_queue_head+0xa5/0x150
[  250.163604][ T5534]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.168359][ T5534]  ? gfs2_recover_set+0x240/0x240
[  250.173385][ T5534]  ? snprintf+0xe5/0x140
[  250.177629][ T5534]  ? __free_pages+0x95/0x1a0
[  250.182298][ T5534]  ? vscnprintf+0x80/0x80
[  250.186624][ T5534]  gfs2_fill_super+0x120f/0x1f00
[  250.191616][ T5534]  ? gfs2_reconfigure+0xd30/0xd30
[  250.196642][ T5534]  ? sb_set_blocksize+0xa5/0xe0
[  250.201478][ T5534]  get_tree_bdev+0x3f1/0x610
[  250.206051][ T5534]  ? gfs2_reconfigure+0xd30/0xd30
[  250.211054][ T5534]  gfs2_get_tree+0x4d/0x1e0
[  250.215554][ T5534]  vfs_get_tree+0x88/0x270
[  250.219970][ T5534]  do_new_mount+0x24a/0xa40
[  250.224548][ T5534]  __se_sys_mount+0x2e3/0x3d0
[  250.229299][ T5534]  ? __x64_sys_mount+0xc0/0xc0
[  250.234048][ T5534]  ? lockdep_hardirqs_on+0x94/0x140
[  250.239330][ T5534]  ? __x64_sys_mount+0x1c/0xc0
[  250.244093][ T5534]  do_syscall_64+0x4c/0xa0
[  250.248504][ T5534]  ? clear_bhb_loop+0x30/0x80
[  250.253197][ T5534]  ? clear_bhb_loop+0x30/0x80
[  250.257881][ T5534]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.263759][ T5534] RIP: 0033:0x7f0340398a8a
[  250.268168][ T5534] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.287858][ T5534] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.296287][ T5534] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  250.304476][ T5534] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  250.312438][ T5534] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  250.320483][ T5534] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  250.328440][ T5534] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  250.336409][ T5534]  </TASK>
[  250.340430][ T5534] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  250.354224][ T5534] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  250.683134][ T5536] loop1: detected capacity change from 0 to 32768
[  250.744556][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  250.752627][ T5536] CPU: 1 PID: 5536 Comm: syz.1.221 Not tainted syzkaller #0
[  250.759928][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  250.769992][ T5536] Call Trace:
[  250.773290][ T5536]  <TASK>
[  250.776218][ T5536]  dump_stack_lvl+0x188/0x250
[  250.780905][ T5536]  ? show_regs_print_info+0x20/0x20
[  250.786119][ T5536]  ? load_image+0x400/0x400
[  250.790647][ T5536]  sysfs_create_dir_ns+0x26a/0x290
[  250.795769][ T5536]  ? sysfs_warn_dup+0xa0/0xa0
[  250.800546][ T5536]  ? do_raw_spin_unlock+0x11d/0x230
[  250.805761][ T5536]  kobject_add_internal+0x6e0/0xd90
[  250.810981][ T5536]  kobject_init_and_add+0x128/0x190
[  250.816188][ T5536]  ? lockdep_softirqs_off+0x430/0x430
[  250.821570][ T5536]  ? kobject_add+0x230/0x230
[  250.826152][ T5536]  ? __init_swait_queue_head+0xa5/0x150
[  250.831723][ T5536]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.836581][ T5536]  ? gfs2_recover_set+0x240/0x240
[  250.841618][ T5536]  ? snprintf+0xe5/0x140
[  250.845845][ T5536]  ? __free_pages+0x95/0x1a0
[  250.850425][ T5536]  ? vscnprintf+0x80/0x80
[  250.854742][ T5536]  gfs2_fill_super+0x120f/0x1f00
[  250.859667][ T5536]  ? gfs2_reconfigure+0xd30/0xd30
[  250.864785][ T5536]  ? sb_set_blocksize+0xa5/0xe0
[  250.869618][ T5536]  get_tree_bdev+0x3f1/0x610
[  250.874195][ T5536]  ? gfs2_reconfigure+0xd30/0xd30
[  250.879201][ T5536]  gfs2_get_tree+0x4d/0x1e0
[  250.883691][ T5536]  vfs_get_tree+0x88/0x270
[  250.888094][ T5536]  do_new_mount+0x24a/0xa40
[  250.892602][ T5536]  __se_sys_mount+0x2e3/0x3d0
[  250.897261][ T5536]  ? __x64_sys_mount+0xc0/0xc0
[  250.902009][ T5536]  ? lockdep_hardirqs_on+0x94/0x140
[  250.907279][ T5536]  ? __x64_sys_mount+0x1c/0xc0
[  250.912047][ T5536]  do_syscall_64+0x4c/0xa0
[  250.916446][ T5536]  ? clear_bhb_loop+0x30/0x80
[  250.921214][ T5536]  ? clear_bhb_loop+0x30/0x80
[  250.925875][ T5536]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.931760][ T5536] RIP: 0033:0x7f0340398a8a
[  250.936160][ T5536] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.955761][ T5536] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.964186][ T5536] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  250.972188][ T5536] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  250.980157][ T5536] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  250.988211][ T5536] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  250.996161][ T5536] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  251.004228][ T5536]  </TASK>
[  251.008189][ T5536] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  251.021961][ T5536] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  251.333553][ T5538] loop1: detected capacity change from 0 to 32768
[  251.384992][ T5538] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  251.393381][ T5538] CPU: 1 PID: 5538 Comm: syz.1.222 Not tainted syzkaller #0
[  251.400683][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  251.410839][ T5538] Call Trace:
[  251.414132][ T5538]  <TASK>
[  251.417156][ T5538]  dump_stack_lvl+0x188/0x250
[  251.421846][ T5538]  ? show_regs_print_info+0x20/0x20
[  251.427052][ T5538]  ? load_image+0x400/0x400
[  251.431575][ T5538]  sysfs_create_dir_ns+0x26a/0x290
[  251.436704][ T5538]  ? sysfs_warn_dup+0xa0/0xa0
[  251.441396][ T5538]  ? do_raw_spin_unlock+0x11d/0x230
[  251.446606][ T5538]  kobject_add_internal+0x6e0/0xd90
[  251.451827][ T5538]  kobject_init_and_add+0x128/0x190
[  251.457046][ T5538]  ? lockdep_softirqs_off+0x430/0x430
[  251.462436][ T5538]  ? kobject_add+0x230/0x230
[  251.467030][ T5538]  ? __init_swait_queue_head+0xa5/0x150
[  251.472567][ T5538]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.477357][ T5538]  ? gfs2_recover_set+0x240/0x240
[  251.482362][ T5538]  ? snprintf+0xe5/0x140
[  251.486598][ T5538]  ? __free_pages+0x95/0x1a0
[  251.491170][ T5538]  ? vscnprintf+0x80/0x80
[  251.495501][ T5538]  gfs2_fill_super+0x120f/0x1f00
[  251.500429][ T5538]  ? gfs2_reconfigure+0xd30/0xd30
[  251.505443][ T5538]  ? sb_set_blocksize+0xa5/0xe0
[  251.510273][ T5538]  get_tree_bdev+0x3f1/0x610
[  251.514845][ T5538]  ? gfs2_reconfigure+0xd30/0xd30
[  251.519853][ T5538]  gfs2_get_tree+0x4d/0x1e0
[  251.524365][ T5538]  vfs_get_tree+0x88/0x270
[  251.528767][ T5538]  do_new_mount+0x24a/0xa40
[  251.533262][ T5538]  __se_sys_mount+0x2e3/0x3d0
[  251.537948][ T5538]  ? __x64_sys_mount+0xc0/0xc0
[  251.542871][ T5538]  ? lockdep_hardirqs_on+0x94/0x140
[  251.548171][ T5538]  ? __x64_sys_mount+0x1c/0xc0
[  251.552952][ T5538]  do_syscall_64+0x4c/0xa0
[  251.557353][ T5538]  ? clear_bhb_loop+0x30/0x80
[  251.562186][ T5538]  ? clear_bhb_loop+0x30/0x80
[  251.566847][ T5538]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.572747][ T5538] RIP: 0033:0x7f0340398a8a
[  251.577146][ T5538] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  251.596739][ T5538] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.605153][ T5538] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  251.613107][ T5538] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  251.621064][ T5538] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  251.629052][ T5538] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  251.637028][ T5538] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  251.645009][ T5538]  </TASK>
[  251.649395][ T5538] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  251.663277][ T5538] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  251.979910][ T5540] loop1: detected capacity change from 0 to 32768
[  252.028258][ T5540] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  252.036930][ T5540] CPU: 0 PID: 5540 Comm: syz.1.223 Not tainted syzkaller #0
[  252.044247][ T5540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  252.054316][ T5540] Call Trace:
[  252.057605][ T5540]  <TASK>
[  252.060542][ T5540]  dump_stack_lvl+0x188/0x250
[  252.065250][ T5540]  ? show_regs_print_info+0x20/0x20
[  252.070463][ T5540]  ? load_image+0x400/0x400
[  252.074990][ T5540]  sysfs_create_dir_ns+0x26a/0x290
[  252.080116][ T5540]  ? sysfs_warn_dup+0xa0/0xa0
[  252.084899][ T5540]  ? do_raw_spin_unlock+0x11d/0x230
[  252.090122][ T5540]  kobject_add_internal+0x6e0/0xd90
[  252.095341][ T5540]  kobject_init_and_add+0x128/0x190
[  252.100557][ T5540]  ? lockdep_softirqs_off+0x430/0x430
[  252.105971][ T5540]  ? kobject_add+0x230/0x230
[  252.110555][ T5540]  ? __init_swait_queue_head+0xa5/0x150
[  252.116090][ T5540]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.120848][ T5540]  ? gfs2_recover_set+0x240/0x240
[  252.125857][ T5540]  ? snprintf+0xe5/0x140
[  252.130080][ T5540]  ? __free_pages+0x95/0x1a0
[  252.134656][ T5540]  ? vscnprintf+0x80/0x80
[  252.138993][ T5540]  gfs2_fill_super+0x120f/0x1f00
[  252.143932][ T5540]  ? gfs2_reconfigure+0xd30/0xd30
[  252.148953][ T5540]  ? sb_set_blocksize+0xa5/0xe0
[  252.153795][ T5540]  get_tree_bdev+0x3f1/0x610
[  252.158376][ T5540]  ? gfs2_reconfigure+0xd30/0xd30
[  252.163390][ T5540]  gfs2_get_tree+0x4d/0x1e0
[  252.167897][ T5540]  vfs_get_tree+0x88/0x270
[  252.172320][ T5540]  do_new_mount+0x24a/0xa40
[  252.176833][ T5540]  __se_sys_mount+0x2e3/0x3d0
[  252.181508][ T5540]  ? __x64_sys_mount+0xc0/0xc0
[  252.186257][ T5540]  ? lockdep_hardirqs_on+0x94/0x140
[  252.191441][ T5540]  ? __x64_sys_mount+0x1c/0xc0
[  252.196191][ T5540]  do_syscall_64+0x4c/0xa0
[  252.200613][ T5540]  ? clear_bhb_loop+0x30/0x80
[  252.205312][ T5540]  ? clear_bhb_loop+0x30/0x80
[  252.209981][ T5540]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.215865][ T5540] RIP: 0033:0x7f0340398a8a
[  252.220270][ T5540] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.239871][ T5540] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.248366][ T5540] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  252.256329][ T5540] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  252.264319][ T5540] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  252.272380][ T5540] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  252.280337][ T5540] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  252.288306][ T5540]  </TASK>
[  252.292650][ T5540] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  252.306444][ T5540] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  252.609611][ T5542] loop1: detected capacity change from 0 to 32768
[  252.649957][ T5542] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  252.658977][ T5542] CPU: 1 PID: 5542 Comm: syz.1.224 Not tainted syzkaller #0
[  252.666283][ T5542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  252.676351][ T5542] Call Trace:
[  252.679736][ T5542]  <TASK>
[  252.682679][ T5542]  dump_stack_lvl+0x188/0x250
[  252.687385][ T5542]  ? show_regs_print_info+0x20/0x20
[  252.692596][ T5542]  ? load_image+0x400/0x400
[  252.697118][ T5542]  sysfs_create_dir_ns+0x26a/0x290
[  252.702250][ T5542]  ? sysfs_warn_dup+0xa0/0xa0
[  252.706935][ T5542]  ? do_raw_spin_unlock+0x11d/0x230
[  252.712141][ T5542]  kobject_add_internal+0x6e0/0xd90
[  252.717360][ T5542]  kobject_init_and_add+0x128/0x190
[  252.722568][ T5542]  ? lockdep_softirqs_off+0x430/0x430
[  252.727961][ T5542]  ? kobject_add+0x230/0x230
[  252.732556][ T5542]  ? __init_swait_queue_head+0xa5/0x150
[  252.738090][ T5542]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.742843][ T5542]  ? gfs2_recover_set+0x240/0x240
[  252.747874][ T5542]  ? snprintf+0xe5/0x140
[  252.752102][ T5542]  ? __free_pages+0x95/0x1a0
[  252.756676][ T5542]  ? vscnprintf+0x80/0x80
[  252.760994][ T5542]  gfs2_fill_super+0x120f/0x1f00
[  252.765941][ T5542]  ? gfs2_reconfigure+0xd30/0xd30
[  252.770957][ T5542]  ? sb_set_blocksize+0xa5/0xe0
[  252.775791][ T5542]  get_tree_bdev+0x3f1/0x610
[  252.780363][ T5542]  ? gfs2_reconfigure+0xd30/0xd30
[  252.785368][ T5542]  gfs2_get_tree+0x4d/0x1e0
[  252.789852][ T5542]  vfs_get_tree+0x88/0x270
[  252.794249][ T5542]  do_new_mount+0x24a/0xa40
[  252.798734][ T5542]  __se_sys_mount+0x2e3/0x3d0
[  252.803391][ T5542]  ? __x64_sys_mount+0xc0/0xc0
[  252.808133][ T5542]  ? lockdep_hardirqs_on+0x94/0x140
[  252.813307][ T5542]  ? __x64_sys_mount+0x1c/0xc0
[  252.818054][ T5542]  do_syscall_64+0x4c/0xa0
[  252.822448][ T5542]  ? clear_bhb_loop+0x30/0x80
[  252.827104][ T5542]  ? clear_bhb_loop+0x30/0x80
[  252.831761][ T5542]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.837633][ T5542] RIP: 0033:0x7f0340398a8a
[  252.842033][ T5542] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.861639][ T5542] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.870127][ T5542] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  252.878104][ T5542] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  252.886062][ T5542] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  252.894113][ T5542] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  252.902064][ T5542] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  252.910026][ T5542]  </TASK>
[  252.919616][ T5542] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  252.933951][ T5542] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  253.227910][ T5544] loop1: detected capacity change from 0 to 32768
[  253.276723][ T5544] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  253.284750][ T5544] CPU: 1 PID: 5544 Comm: syz.1.225 Not tainted syzkaller #0
[  253.292131][ T5544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  253.302204][ T5544] Call Trace:
[  253.305488][ T5544]  <TASK>
[  253.308420][ T5544]  dump_stack_lvl+0x188/0x250
[  253.313118][ T5544]  ? show_regs_print_info+0x20/0x20
[  253.318336][ T5544]  ? load_image+0x400/0x400
[  253.322863][ T5544]  sysfs_create_dir_ns+0x26a/0x290
[  253.328069][ T5544]  ? sysfs_warn_dup+0xa0/0xa0
[  253.332853][ T5544]  ? do_raw_spin_unlock+0x11d/0x230
[  253.338073][ T5544]  kobject_add_internal+0x6e0/0xd90
[  253.343289][ T5544]  kobject_init_and_add+0x128/0x190
[  253.348540][ T5544]  ? lockdep_softirqs_off+0x430/0x430
[  253.353961][ T5544]  ? kobject_add+0x230/0x230
[  253.358547][ T5544]  ? __init_swait_queue_head+0xa5/0x150
[  253.364094][ T5544]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.368857][ T5544]  ? gfs2_recover_set+0x240/0x240
[  253.373884][ T5544]  ? snprintf+0xe5/0x140
[  253.378108][ T5544]  ? __free_pages+0x95/0x1a0
[  253.382684][ T5544]  ? vscnprintf+0x80/0x80
[  253.387007][ T5544]  gfs2_fill_super+0x120f/0x1f00
[  253.391951][ T5544]  ? gfs2_reconfigure+0xd30/0xd30
[  253.396968][ T5544]  ? sb_set_blocksize+0xa5/0xe0
[  253.401797][ T5544]  get_tree_bdev+0x3f1/0x610
[  253.406367][ T5544]  ? gfs2_reconfigure+0xd30/0xd30
[  253.411375][ T5544]  gfs2_get_tree+0x4d/0x1e0
[  253.415865][ T5544]  vfs_get_tree+0x88/0x270
[  253.420282][ T5544]  do_new_mount+0x24a/0xa40
[  253.424770][ T5544]  __se_sys_mount+0x2e3/0x3d0
[  253.429430][ T5544]  ? __x64_sys_mount+0xc0/0xc0
[  253.434175][ T5544]  ? lockdep_hardirqs_on+0x94/0x140
[  253.439353][ T5544]  ? __x64_sys_mount+0x1c/0xc0
[  253.444099][ T5544]  do_syscall_64+0x4c/0xa0
[  253.448500][ T5544]  ? clear_bhb_loop+0x30/0x80
[  253.453225][ T5544]  ? clear_bhb_loop+0x30/0x80
[  253.457883][ T5544]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.463758][ T5544] RIP: 0033:0x7f0340398a8a
[  253.468161][ T5544] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.487776][ T5544] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.496205][ T5544] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  253.504178][ T5544] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  253.512146][ T5544] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  253.520198][ T5544] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  253.528170][ T5544] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  253.536151][ T5544]  </TASK>
[  253.540491][ T5544] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  253.554364][ T5544] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  253.864124][ T5546] loop1: detected capacity change from 0 to 32768
[  253.901555][ T5546] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  253.909863][ T5546] CPU: 0 PID: 5546 Comm: syz.1.226 Not tainted syzkaller #0
[  253.917267][ T5546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  253.927331][ T5546] Call Trace:
[  253.930695][ T5546]  <TASK>
[  253.933635][ T5546]  dump_stack_lvl+0x188/0x250
[  253.938331][ T5546]  ? show_regs_print_info+0x20/0x20
[  253.943557][ T5546]  ? load_image+0x400/0x400
[  253.948093][ T5546]  sysfs_create_dir_ns+0x26a/0x290
[  253.953231][ T5546]  ? sysfs_warn_dup+0xa0/0xa0
[  253.957927][ T5546]  ? do_raw_spin_unlock+0x11d/0x230
[  253.963145][ T5546]  kobject_add_internal+0x6e0/0xd90
[  253.968374][ T5546]  kobject_init_and_add+0x128/0x190
[  253.973685][ T5546]  ? lockdep_softirqs_off+0x430/0x430
[  253.979078][ T5546]  ? kobject_add+0x230/0x230
[  253.983705][ T5546]  ? __init_swait_queue_head+0xa5/0x150
[  253.989255][ T5546]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.994121][ T5546]  ? gfs2_recover_set+0x240/0x240
[  253.999140][ T5546]  ? snprintf+0xe5/0x140
[  254.003363][ T5546]  ? __free_pages+0x95/0x1a0
[  254.007945][ T5546]  ? vscnprintf+0x80/0x80
[  254.012289][ T5546]  gfs2_fill_super+0x120f/0x1f00
[  254.017236][ T5546]  ? gfs2_reconfigure+0xd30/0xd30
[  254.022282][ T5546]  ? sb_set_blocksize+0xa5/0xe0
[  254.027142][ T5546]  get_tree_bdev+0x3f1/0x610
[  254.031717][ T5546]  ? gfs2_reconfigure+0xd30/0xd30
[  254.036725][ T5546]  gfs2_get_tree+0x4d/0x1e0
[  254.041209][ T5546]  vfs_get_tree+0x88/0x270
[  254.045772][ T5546]  do_new_mount+0x24a/0xa40
[  254.050270][ T5546]  __se_sys_mount+0x2e3/0x3d0
[  254.054937][ T5546]  ? __x64_sys_mount+0xc0/0xc0
[  254.059691][ T5546]  ? lockdep_hardirqs_on+0x94/0x140
[  254.064890][ T5546]  ? __x64_sys_mount+0x1c/0xc0
[  254.069641][ T5546]  do_syscall_64+0x4c/0xa0
[  254.074040][ T5546]  ? clear_bhb_loop+0x30/0x80
[  254.078700][ T5546]  ? clear_bhb_loop+0x30/0x80
[  254.083374][ T5546]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.089247][ T5546] RIP: 0033:0x7f0340398a8a
[  254.093643][ T5546] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.113245][ T5546] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.121658][ T5546] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  254.129802][ T5546] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  254.137845][ T5546] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  254.145796][ T5546] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  254.153777][ T5546] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  254.161828][ T5546]  </TASK>
[  254.165966][ T5546] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  254.179953][ T5546] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  254.481430][ T5548] loop1: detected capacity change from 0 to 32768
[  254.521790][ T5548] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  254.534629][ T5548] CPU: 0 PID: 5548 Comm: syz.1.227 Not tainted syzkaller #0
[  254.541963][ T5548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  254.552120][ T5548] Call Trace:
[  254.555446][ T5548]  <TASK>
[  254.558386][ T5548]  dump_stack_lvl+0x188/0x250
[  254.563078][ T5548]  ? show_regs_print_info+0x20/0x20
[  254.568290][ T5548]  ? load_image+0x400/0x400
[  254.572822][ T5548]  sysfs_create_dir_ns+0x26a/0x290
[  254.577958][ T5548]  ? sysfs_warn_dup+0xa0/0xa0
[  254.582734][ T5548]  ? do_raw_spin_unlock+0x11d/0x230
[  254.587961][ T5548]  kobject_add_internal+0x6e0/0xd90
[  254.593361][ T5548]  kobject_init_and_add+0x128/0x190
[  254.598577][ T5548]  ? lockdep_softirqs_off+0x430/0x430
[  254.603963][ T5548]  ? kobject_add+0x230/0x230
[  254.608563][ T5548]  ? __init_swait_queue_head+0xa5/0x150
[  254.614098][ T5548]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.618850][ T5548]  ? gfs2_recover_set+0x240/0x240
[  254.623853][ T5548]  ? snprintf+0xe5/0x140
[  254.628073][ T5548]  ? __free_pages+0x95/0x1a0
[  254.632647][ T5548]  ? vscnprintf+0x80/0x80
[  254.636968][ T5548]  gfs2_fill_super+0x120f/0x1f00
[  254.641926][ T5548]  ? gfs2_reconfigure+0xd30/0xd30
[  254.647578][ T5548]  ? sb_set_blocksize+0xa5/0xe0
[  254.652424][ T5548]  get_tree_bdev+0x3f1/0x610
[  254.657007][ T5548]  ? gfs2_reconfigure+0xd30/0xd30
[  254.662024][ T5548]  gfs2_get_tree+0x4d/0x1e0
[  254.666551][ T5548]  vfs_get_tree+0x88/0x270
[  254.670963][ T5548]  do_new_mount+0x24a/0xa40
[  254.675447][ T5548]  __se_sys_mount+0x2e3/0x3d0
[  254.680109][ T5548]  ? __x64_sys_mount+0xc0/0xc0
[  254.684905][ T5548]  ? lockdep_hardirqs_on+0x94/0x140
[  254.690103][ T5548]  ? __x64_sys_mount+0x1c/0xc0
[  254.694858][ T5548]  do_syscall_64+0x4c/0xa0
[  254.699259][ T5548]  ? clear_bhb_loop+0x30/0x80
[  254.704014][ T5548]  ? clear_bhb_loop+0x30/0x80
[  254.708675][ T5548]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.714547][ T5548] RIP: 0033:0x7f0340398a8a
[  254.718944][ T5548] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.738624][ T5548] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.747039][ T5548] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  254.755083][ T5548] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  254.763035][ T5548] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  254.770993][ T5548] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  254.778948][ T5548] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  254.786926][ T5548]  </TASK>
[  254.791045][ T5548] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  254.805081][ T5548] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
2026/05/22 15:06:14 executed programs: 213
[  255.106500][ T5550] loop1: detected capacity change from 0 to 32768
[  255.148007][ T5550] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  255.156152][ T5550] CPU: 0 PID: 5550 Comm: syz.1.228 Not tainted syzkaller #0
[  255.163454][ T5550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  255.173609][ T5550] Call Trace:
[  255.176903][ T5550]  <TASK>
[  255.179843][ T5550]  dump_stack_lvl+0x188/0x250
[  255.184534][ T5550]  ? show_regs_print_info+0x20/0x20
[  255.189742][ T5550]  ? load_image+0x400/0x400
[  255.194265][ T5550]  sysfs_create_dir_ns+0x26a/0x290
[  255.199393][ T5550]  ? sysfs_warn_dup+0xa0/0xa0
[  255.204078][ T5550]  ? do_raw_spin_unlock+0x11d/0x230
[  255.209293][ T5550]  kobject_add_internal+0x6e0/0xd90
[  255.214535][ T5550]  kobject_init_and_add+0x128/0x190
[  255.219826][ T5550]  ? lockdep_softirqs_off+0x430/0x430
[  255.225189][ T5550]  ? kobject_add+0x230/0x230
[  255.229805][ T5550]  ? __init_swait_queue_head+0xa5/0x150
[  255.235354][ T5550]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.240110][ T5550]  ? gfs2_recover_set+0x240/0x240
[  255.245126][ T5550]  ? snprintf+0xe5/0x140
[  255.249513][ T5550]  ? __free_pages+0x95/0x1a0
[  255.254231][ T5550]  ? vscnprintf+0x80/0x80
[  255.258570][ T5550]  gfs2_fill_super+0x120f/0x1f00
[  255.263528][ T5550]  ? gfs2_reconfigure+0xd30/0xd30
[  255.268547][ T5550]  ? sb_set_blocksize+0xa5/0xe0
[  255.273403][ T5550]  get_tree_bdev+0x3f1/0x610
[  255.277980][ T5550]  ? gfs2_reconfigure+0xd30/0xd30
[  255.282993][ T5550]  gfs2_get_tree+0x4d/0x1e0
[  255.287487][ T5550]  vfs_get_tree+0x88/0x270
[  255.291909][ T5550]  do_new_mount+0x24a/0xa40
[  255.296421][ T5550]  __se_sys_mount+0x2e3/0x3d0
[  255.301197][ T5550]  ? __x64_sys_mount+0xc0/0xc0
[  255.305962][ T5550]  ? lockdep_hardirqs_on+0x94/0x140
[  255.311682][ T5550]  ? __x64_sys_mount+0x1c/0xc0
[  255.316443][ T5550]  do_syscall_64+0x4c/0xa0
[  255.320862][ T5550]  ? clear_bhb_loop+0x30/0x80
[  255.325581][ T5550]  ? clear_bhb_loop+0x30/0x80
[  255.330265][ T5550]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.336166][ T5550] RIP: 0033:0x7f0340398a8a
[  255.340578][ T5550] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.360378][ T5550] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.368959][ T5550] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  255.376923][ T5550] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  255.384888][ T5550] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  255.392871][ T5550] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  255.401003][ T5550] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  255.409106][ T5550]  </TASK>
[  255.413269][ T5550] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  255.427220][ T5550] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  255.607709][ T1428] ieee802154 phy0 wpan0: encryption failed: -22
[  255.614081][ T1428] ieee802154 phy1 wpan1: encryption failed: -22
[  255.754619][ T5552] loop1: detected capacity change from 0 to 32768
[  255.811966][ T5552] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  255.820649][ T5552] CPU: 0 PID: 5552 Comm: syz.1.229 Not tainted syzkaller #0
[  255.827967][ T5552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  255.838040][ T5552] Call Trace:
[  255.841340][ T5552]  <TASK>
[  255.844276][ T5552]  dump_stack_lvl+0x188/0x250
[  255.848980][ T5552]  ? show_regs_print_info+0x20/0x20
[  255.854455][ T5552]  ? load_image+0x400/0x400
[  255.858987][ T5552]  sysfs_create_dir_ns+0x26a/0x290
[  255.864204][ T5552]  ? sysfs_warn_dup+0xa0/0xa0
[  255.868892][ T5552]  ? do_raw_spin_unlock+0x11d/0x230
[  255.874116][ T5552]  kobject_add_internal+0x6e0/0xd90
[  255.879335][ T5552]  kobject_init_and_add+0x128/0x190
[  255.884545][ T5552]  ? lockdep_softirqs_off+0x430/0x430
[  255.889932][ T5552]  ? kobject_add+0x230/0x230
[  255.894538][ T5552]  ? __init_swait_queue_head+0xa5/0x150
[  255.900087][ T5552]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.904839][ T5552]  ? gfs2_recover_set+0x240/0x240
[  255.909845][ T5552]  ? snprintf+0xe5/0x140
[  255.914077][ T5552]  ? __free_pages+0x95/0x1a0
[  255.918662][ T5552]  ? vscnprintf+0x80/0x80
[  255.922982][ T5552]  gfs2_fill_super+0x120f/0x1f00
[  255.927918][ T5552]  ? gfs2_reconfigure+0xd30/0xd30
[  255.932936][ T5552]  ? sb_set_blocksize+0xa5/0xe0
[  255.937771][ T5552]  get_tree_bdev+0x3f1/0x610
[  255.942350][ T5552]  ? gfs2_reconfigure+0xd30/0xd30
[  255.947356][ T5552]  gfs2_get_tree+0x4d/0x1e0
[  255.951844][ T5552]  vfs_get_tree+0x88/0x270
[  255.956242][ T5552]  do_new_mount+0x24a/0xa40
[  255.960727][ T5552]  __se_sys_mount+0x2e3/0x3d0
[  255.965389][ T5552]  ? __x64_sys_mount+0xc0/0xc0
[  255.970137][ T5552]  ? lockdep_hardirqs_on+0x94/0x140
[  255.975318][ T5552]  ? __x64_sys_mount+0x1c/0xc0
[  255.980069][ T5552]  do_syscall_64+0x4c/0xa0
[  255.984470][ T5552]  ? clear_bhb_loop+0x30/0x80
[  255.989130][ T5552]  ? clear_bhb_loop+0x30/0x80
[  255.993790][ T5552]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.999663][ T5552] RIP: 0033:0x7f0340398a8a
[  256.004058][ T5552] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.023671][ T5552] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.032084][ T5552] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  256.040064][ T5552] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  256.048019][ T5552] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  256.055977][ T5552] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  256.063931][ T5552] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  256.071897][ T5552]  </TASK>
[  256.076051][ T5552] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  256.089943][ T5552] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  256.389658][ T5554] loop1: detected capacity change from 0 to 32768
[  256.407982][ T5554] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  256.416189][ T5554] CPU: 0 PID: 5554 Comm: syz.1.230 Not tainted syzkaller #0
[  256.423493][ T5554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  256.433560][ T5554] Call Trace:
[  256.436860][ T5554]  <TASK>
[  256.439883][ T5554]  dump_stack_lvl+0x188/0x250
[  256.444579][ T5554]  ? show_regs_print_info+0x20/0x20
[  256.449878][ T5554]  ? load_image+0x400/0x400
[  256.454406][ T5554]  sysfs_create_dir_ns+0x26a/0x290
[  256.459532][ T5554]  ? sysfs_warn_dup+0xa0/0xa0
[  256.464220][ T5554]  ? do_raw_spin_unlock+0x11d/0x230
[  256.469428][ T5554]  kobject_add_internal+0x6e0/0xd90
[  256.474645][ T5554]  kobject_init_and_add+0x128/0x190
[  256.479853][ T5554]  ? lockdep_softirqs_off+0x430/0x430
[  256.485323][ T5554]  ? kobject_add+0x230/0x230
[  256.489917][ T5554]  ? __init_swait_queue_head+0xa5/0x150
[  256.495462][ T5554]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.500220][ T5554]  ? gfs2_recover_set+0x240/0x240
[  256.505240][ T5554]  ? snprintf+0xe5/0x140
[  256.509481][ T5554]  ? __free_pages+0x95/0x1a0
[  256.514058][ T5554]  ? vscnprintf+0x80/0x80
[  256.518395][ T5554]  gfs2_fill_super+0x120f/0x1f00
[  256.523337][ T5554]  ? gfs2_reconfigure+0xd30/0xd30
[  256.528366][ T5554]  ? sb_set_blocksize+0xa5/0xe0
[  256.533298][ T5554]  get_tree_bdev+0x3f1/0x610
[  256.537879][ T5554]  ? gfs2_reconfigure+0xd30/0xd30
[  256.542897][ T5554]  gfs2_get_tree+0x4d/0x1e0
[  256.547444][ T5554]  vfs_get_tree+0x88/0x270
[  256.551855][ T5554]  do_new_mount+0x24a/0xa40
[  256.556360][ T5554]  __se_sys_mount+0x2e3/0x3d0
[  256.561109][ T5554]  ? __x64_sys_mount+0xc0/0xc0
[  256.565874][ T5554]  ? lockdep_hardirqs_on+0x94/0x140
[  256.571066][ T5554]  ? __x64_sys_mount+0x1c/0xc0
[  256.576003][ T5554]  do_syscall_64+0x4c/0xa0
[  256.580405][ T5554]  ? clear_bhb_loop+0x30/0x80
[  256.585065][ T5554]  ? clear_bhb_loop+0x30/0x80
[  256.589728][ T5554]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.595603][ T5554] RIP: 0033:0x7f0340398a8a
[  256.600018][ T5554] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.619695][ T5554] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.628094][ T5554] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  256.636051][ T5554] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  256.644011][ T5554] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  256.652121][ T5554] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  256.660084][ T5554] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  256.668055][ T5554]  </TASK>
[  256.672646][ T5554] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  256.686426][ T5554] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  256.981616][ T5556] loop1: detected capacity change from 0 to 32768
[  257.035552][ T5556] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  257.043896][ T5556] CPU: 1 PID: 5556 Comm: syz.1.231 Not tainted syzkaller #0
[  257.051279][ T5556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  257.061434][ T5556] Call Trace:
[  257.064727][ T5556]  <TASK>
[  257.067667][ T5556]  dump_stack_lvl+0x188/0x250
[  257.072360][ T5556]  ? show_regs_print_info+0x20/0x20
[  257.077566][ T5556]  ? load_image+0x400/0x400
[  257.082087][ T5556]  sysfs_create_dir_ns+0x26a/0x290
[  257.087213][ T5556]  ? sysfs_warn_dup+0xa0/0xa0
[  257.091903][ T5556]  ? do_raw_spin_unlock+0x11d/0x230
[  257.097114][ T5556]  kobject_add_internal+0x6e0/0xd90
[  257.102590][ T5556]  kobject_init_and_add+0x128/0x190
[  257.107971][ T5556]  ? lockdep_softirqs_off+0x430/0x430
[  257.113360][ T5556]  ? kobject_add+0x230/0x230
[  257.117967][ T5556]  ? __init_swait_queue_head+0xa5/0x150
[  257.123541][ T5556]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.128323][ T5556]  ? gfs2_recover_set+0x240/0x240
[  257.133368][ T5556]  ? snprintf+0xe5/0x140
[  257.137592][ T5556]  ? __free_pages+0x95/0x1a0
[  257.142192][ T5556]  ? vscnprintf+0x80/0x80
[  257.146504][ T5556]  gfs2_fill_super+0x120f/0x1f00
[  257.151446][ T5556]  ? gfs2_reconfigure+0xd30/0xd30
[  257.156467][ T5556]  ? sb_set_blocksize+0xa5/0xe0
[  257.161301][ T5556]  get_tree_bdev+0x3f1/0x610
[  257.165875][ T5556]  ? gfs2_reconfigure+0xd30/0xd30
[  257.170969][ T5556]  gfs2_get_tree+0x4d/0x1e0
[  257.175465][ T5556]  vfs_get_tree+0x88/0x270
[  257.179878][ T5556]  do_new_mount+0x24a/0xa40
[  257.184367][ T5556]  __se_sys_mount+0x2e3/0x3d0
[  257.189044][ T5556]  ? __x64_sys_mount+0xc0/0xc0
[  257.193791][ T5556]  ? lockdep_hardirqs_on+0x94/0x140
[  257.198971][ T5556]  ? __x64_sys_mount+0x1c/0xc0
[  257.203713][ T5556]  do_syscall_64+0x4c/0xa0
[  257.208122][ T5556]  ? clear_bhb_loop+0x30/0x80
[  257.212975][ T5556]  ? clear_bhb_loop+0x30/0x80
[  257.217669][ T5556]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.223585][ T5556] RIP: 0033:0x7f0340398a8a
[  257.227996][ T5556] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.247617][ T5556] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.256064][ T5556] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  257.264037][ T5556] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  257.272007][ T5556] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  257.280035][ T5556] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  257.288097][ T5556] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  257.296120][ T5556]  </TASK>
[  257.302722][ T5556] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  257.317208][ T5556] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  257.516815][   T27] INFO: task syz-executor:4862 blocked for more than 143 seconds.
[  257.524923][   T27]       Not tainted syzkaller #0
[  257.530857][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  257.539814][   T27] task:syz-executor    state:D stack:21968 pid: 4862 ppid:     1 flags:0x00004004
[  257.549334][   T27] Call Trace:
[  257.552632][   T27]  <TASK>
[  257.555574][   T27]  __schedule+0x11ef/0x43c0
[  257.560768][   T27]  ? _raw_spin_lock_irqsave+0x8b/0x100
[  257.566260][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  257.571914][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  257.578097][   T27]  ? _raw_spin_unlock+0x40/0x40
[  257.583061][   T27]  ? release_firmware_map_entry+0x190/0x190
[  257.589303][   T27]  ? __mod_timer+0x91e/0xd00
[  257.594005][   T27]  schedule+0x11b/0x1e0
[  257.598465][   T27]  schedule_timeout+0x184/0x2d0
[  257.603338][   T27]  ? console_conditional_schedule+0x40/0x40
[  257.609645][   T27]  ? update_process_times+0x200/0x200
[  257.615043][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  257.620913][   T27]  gfs2_gl_hash_clear+0x1ab/0x2f0
[  257.625965][   T27]  ? thaw_glock+0x150/0x150
[  257.630959][   T27]  ? gfs2_jindex_free+0x3de/0x450
[  257.636006][   T27]  ? init_wait_entry+0xd0/0xd0
[  257.641897][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  257.646863][   T27]  gfs2_put_super+0x769/0x7d0
[  257.652104][   T27]  ? gfs2_evict_inode+0x1240/0x1240
[  257.657636][   T27]  generic_shutdown_super+0x130/0x300
[  257.663541][   T27]  kill_block_super+0x7c/0xe0
[  257.668596][   T27]  deactivate_locked_super+0x93/0xf0
[  257.674173][   T27]  cleanup_mnt+0x42d/0x4e0
[  257.680922][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  257.686243][   T27]  task_work_run+0x125/0x1a0
[  257.691223][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  257.699389][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  257.704964][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  257.710806][   T27]  do_syscall_64+0x58/0xa0
[  257.712692][ T5558] loop1: detected capacity change from 0 to 32768
[  257.715239][   T27]  ? clear_bhb_loop+0x30/0x80
[  257.727631][   T27]  ? clear_bhb_loop+0x30/0x80
[  257.733024][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.739031][ T5558] sysfs: cannot create duplicate filename '/fs/gfs2/statfs_quantum'
[  257.739046][ T5558] CPU: 0 PID: 5558 Comm: syz.1.232 Not tainted syzkaller #0
[  257.739064][ T5558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  257.739074][ T5558] Call Trace:
[  257.739080][ T5558]  <TASK>
[  257.739087][ T5558]  dump_stack_lvl+0x188/0x250
[  257.739110][ T5558]  ? show_regs_print_info+0x20/0x20
[  257.747653][   T27] RIP: 0033:0x7f3d6cb77a57
[  257.754329][ T5558]  ? load_image+0x400/0x400
[  257.764659][   T27] RSP: 002b:00007fffbf9c1df8 EFLAGS: 00000246
[  257.767644][ T5558]  sysfs_create_dir_ns+0x26a/0x290
[  257.767669][ T5558]  ? sysfs_warn_dup+0xa0/0xa0
[  257.767687][ T5558]  ? do_raw_spin_unlock+0x11d/0x230
[  257.767708][ T5558]  kobject_add_internal+0x6e0/0xd90
[  257.767733][ T5558]  kobject_init_and_add+0x128/0x190
[  257.767751][ T5558]  ? lockdep_softirqs_off+0x430/0x430
[  257.767775][ T5558]  ? kobject_add+0x230/0x230
[  257.767798][ T5558]  ? __init_swait_queue_head+0xa5/0x150
[  257.767824][ T5558]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.767844][ T5558]  ? gfs2_recover_set+0x240/0x240
[  257.772001][   T27]  ORIG_RAX: 00000000000000a6
[  257.775423][ T5558]  ? snprintf+0xe5/0x140
[  257.780900][   T27] RAX: 0000000000000000 RBX: 00007f3d6cc0c048 RCX: 00007f3d6cb77a57
[  257.785034][ T5558]  ? __free_pages+0x95/0x1a0
[  257.790784][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffbf9c1eb0
[  257.795645][ T5558]  ? vscnprintf+0x80/0x80
[  257.801120][   T27] RBP: 00007fffbf9c1eb0 R08: 00007fffbf9c2eb0 R09: 00000000ffffffff
[  257.805497][ T5558]  gfs2_fill_super+0x120f/0x1f00
[  257.810917][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffbf9c2f40
[  257.815854][ T5558]  ? gfs2_reconfigure+0xd30/0xd30
[  257.821253][   T27] R13: 00007f3d6cc0c048 R14: 0000000000019466 R15: 00007fffbf9c2f80
[  257.826382][ T5558]  ? sb_set_blocksize+0xa5/0xe0
[  257.831233][   T27]  </TASK>
[  257.836483][ T5558]  get_tree_bdev+0x3f1/0x610
[  257.841615][   T27] 
[  257.841615][   T27] Showing all locks held in the system:
[  257.846223][ T5558]  ? gfs2_reconfigure+0xd30/0xd30
[  257.851185][   T27] 1 lock held by khungtaskd/27:
[  257.855107][ T5558]  gfs2_get_tree+0x4d/0x1e0
[  257.863319][   T27]  #0: 
[  257.867639][ T5558]  vfs_get_tree+0x88/0x270
[  257.867665][ T5558]  do_new_mount+0x24a/0xa40
[  257.867688][ T5558]  __se_sys_mount+0x2e3/0x3d0
[  257.867710][ T5558]  ? __x64_sys_mount+0xc0/0xc0
[  257.867732][ T5558]  ? lockdep_hardirqs_on+0x94/0x140
[  257.867752][ T5558]  ? __x64_sys_mount+0x1c/0xc0
[  257.867773][ T5558]  do_syscall_64+0x4c/0xa0
[  257.867789][ T5558]  ? clear_bhb_loop+0x30/0x80
[  257.867808][ T5558]  ? clear_bhb_loop+0x30/0x80
[  257.867827][ T5558]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.867845][ T5558] RIP: 0033:0x7f0340398a8a
[  257.876132][   T27] ffffffff8c31f320
[  257.880113][ T5558] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.880130][ T5558] RSP: 002b:00007f033f9f8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.889696][   T27]  (
[  257.893189][ T5558] RAX: ffffffffffffffda RBX: 00007f033f9f8ee0 RCX: 00007f0340398a8a
[  257.901398][   T27] rcu_read_lock
[  257.906143][ T5558] RDX: 00002000000008c0 RSI: 0000200000000100 RDI: 00007f033f9f8ea0
[  257.914381][   T27] ){....}-{1:2}
[  257.918945][ T5558] RBP: 00002000000008c0 R08: 00007f033f9f8ee0 R09: 0000000000008c1b
[  257.918960][ T5558] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000100
[  257.918972][ T5558] R13: 00007f033f9f8ea0 R14: 000000000001276f R15: 0000200000000240
[  257.918997][ T5558]  </TASK>
[  257.922521][   T27] , at: rcu_lock_acquire+0x0/0x30
[  257.932166][ T5558] kobject_add_internal failed for statfs_quantum with -EEXIST, don't try to register things with the same name in the same directory.
[  257.948746][   T27] 2 locks held by getty/3948:
[  257.948763][   T27]  #0: ffff88802c0c6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  257.951638][ T5558] gfs2: fsid=statfs_quantum: error -17 adding sysfs files
[  257.955981][   T27]  #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  258.139889][   T27] 1 lock held by syz-executor/4862:
[  258.145106][   T27]  #0: ffff888075ff20e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  258.155414][   T27] 2 locks held by udevd/5107:
[  258.160130][   T27]  #0: ffff8880204b7918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[  258.169540][   T27]  #1: ffff888020538468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[  258.179148][   T27] 2 locks held by syz.1.233/5560:
[  258.184265][   T27] 
[  258.186948][   T27] =============================================
[  258.186948][   T27] 
[  258.195379][   T27] NMI backtrace for cpu 1
[  258.199713][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  258.206927][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  258.216995][   T27] Call Trace:
[  258.220280][   T27]  <TASK>
[  258.223214][   T27]  dump_stack_lvl+0x188/0x250
[  258.227905][   T27]  ? show_regs_print_info+0x20/0x20
[  258.233117][   T27]  ? load_image+0x400/0x400
[  258.237637][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  258.242762][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  258.247712][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  258.253871][   T27]  ? _printk+0xda/0x130
[  258.258035][   T27]  ? load_image+0x400/0x400
[  258.262551][   T27]  ? load_image+0x400/0x400
[  258.267057][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  258.273165][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  258.279156][   T27]  watchdog+0xe0f/0xe50
[  258.283337][   T27]  kthread+0x436/0x520
[  258.287410][   T27]  ? hungtask_pm_notify+0x40/0x40
[  258.292432][   T27]  ? kthread_blkcg+0xd0/0xd0
[  258.297009][   T27]  ret_from_fork+0x1f/0x30
[  258.301494][   T27]  </TASK>
[  258.304817][   T27] Sending NMI from CPU 1 to CPUs 0:
[  258.310105][    C0] NMI backtrace for cpu 0
[  258.310117][    C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0
[  258.310136][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  258.310144][    C0] RIP: 0010:psi_task_switch+0x0/0x7d0
[  258.310166][    C0] Code: c1 03 38 c1 0f 8c d2 f8 ff ff 4c 89 ef e8 08 61 62 00 48 ba 00 00 00 00 00 fc ff df e9 bb f8 ff ff 66 0f 1f 84 00 00 00 00 00 <55> 41 57 41 56 41 55 41 54 53 48 83 ec 50 89 54 24 1c 49 89 f5 49
[  258.310179][    C0] RSP: 0018:ffffffff8c007bd8 EFLAGS: 00000046
[  258.310193][    C0] RAX: 0000000000000001 RBX: ffff8880b903a340 RCX: ffffffff89c4d171
[  258.310205][    C0] RDX: 0000000000000000 RSI: ffff88802b041dc0 RDI: ffffffff8c0bc480
[  258.310216][    C0] RBP: ffffffff8c007db0 R08: ffffffff8c0bc487 R09: 1ffffffff1817890
[  258.310228][    C0] R10: dffffc0000000000 R11: fffffbfff1817891 R12: ffff88802b041dc0
[  258.310241][    C0] R13: dffffc0000000000 R14: ffffffff8c0bc480 R15: ffffffff8c0bc4e8
[  258.310252][    C0] FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  258.310266][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  258.310278][    C0] CR2: 00007f03385d8000 CR3: 0000000061c37000 CR4: 00000000003506f0
[  258.310293][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  258.310303][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  258.310313][    C0] Call Trace:
[  258.310318][    C0]  <TASK>
[  258.310324][    C0]  __schedule+0x1d02/0x43c0
[  258.310342][    C0]  ? ktime_get+0x7b/0x270
[  258.310355][    C0]  ? ktime_get+0x7b/0x270
[  258.310370][    C0]  ? lockdep_hardirqs_on_prepare+0x409/0x770
[  258.310389][    C0]  ? lock_chain_count+0x20/0x20
[  258.310406][    C0]  ? lock_chain_count+0x20/0x20
[  258.310423][    C0]  ? tick_nohz_idle_exit+0x40e/0x540
[  258.310440][    C0]  ? lockdep_hardirqs_on+0x94/0x140
[  258.310458][    C0]  ? release_firmware_map_entry+0x190/0x190
[  258.310474][    C0]  ? flush_smp_call_function_from_idle+0x11a/0x240
[  258.310492][    C0]  ? generic_smp_call_function_single_interrupt+0x10/0x10
[  258.310511][    C0]  ? tick_nohz_restart_sched_tick+0x1f0/0x1f0
[  258.310530][    C0]  schedule_idle+0x4a/0x90
[  258.310547][    C0]  do_idle+0x606/0x650
[  258.310566][    C0]  ? idle_inject_timer_fn+0x60/0x60
[  258.310583][    C0]  ? asm_sysvec_call_function_single+0x16/0x20
[  258.310603][    C0]  ? schedule_idle+0x57/0x90
[  258.310621][    C0]  cpu_startup_entry+0x14/0x20
[  258.310636][    C0]  ? time_init+0x40/0x40
[  258.310651][    C0]  start_kernel+0x489/0x540
[  258.310670][    C0]  secondary_startup_64_no_verify+0xb1/0xbb
[  258.310694][    C0]  </TASK>
[  258.311442][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  258.568460][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  258.575657][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[  258.585697][   T27] Call Trace:
[  258.588972][   T27]  <TASK>
[  258.591902][   T27]  dump_stack_lvl+0x188/0x250
[  258.596742][   T27]  ? show_regs_print_info+0x20/0x20
[  258.602255][   T27]  ? load_image+0x400/0x400
[  258.606763][   T27]  panic+0x2e5/0x810
[  258.610671][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  258.616295][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  258.620785][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  258.626931][   T27]  watchdog+0xe4e/0xe50
[  258.631090][   T27]  kthread+0x436/0x520
[  258.635138][   T27]  ? hungtask_pm_notify+0x40/0x40
[  258.640145][   T27]  ? kthread_blkcg+0xd0/0xd0
[  258.644733][   T27]  ret_from_fork+0x1f/0x30
[  258.649153][   T27]  </TASK>
[  258.652534][   T27] Kernel Offset: disabled
[  258.656866][   T27] Rebooting in 86400 seconds..