econfigure+0xd30/0xd30
[  250.517784][ T4493]  gfs2_get_tree+0x4d/0x1e0
[  250.524617][ T4493]  vfs_get_tree+0x88/0x270
[  250.529598][ T4493]  do_new_mount+0x24a/0xa40
[  250.537375][ T4493]  __se_sys_mount+0x2e3/0x3d0
[  250.543181][ T4493]  ? __x64_sys_mount+0xc0/0xc0
[  250.554191][ T4493]  ? lockdep_hardirqs_on+0x94/0x140
[  250.561644][ T4493]  ? __x64_sys_mount+0x1c/0xc0
[  250.569397][ T4493]  do_syscall_64+0x4c/0xa0
[  250.578139][ T4493]  ? clear_bhb_loop+0x30/0x80
[  250.584117][ T4493]  ? clear_bhb_loop+0x30/0x80
[  250.591388][ T4493]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.603835][ T4493] RIP: 0033:0x7fafc1d15f4a
[  250.613396][ T4493] 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
[  250.641770][ T4493] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.656845][ T4493] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  250.667640][ T4493] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  250.680857][ T4493] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  250.697612][ T4493] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  250.710960][ T4493] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  250.724932][ T4493]  </TASK>
[  250.746630][ T4493] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.768930][ T4493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.219083][ T4494] loop1: detected capacity change from 0 to 32768
[  251.276852][ T4494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.290496][ T4494] CPU: 1 PID: 4494 Comm: syz.1.118 Not tainted syzkaller #0
[  251.302693][ T4494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  251.329142][ T4494] Call Trace:
[  251.336420][ T4494]  <TASK>
[  251.341382][ T4494]  dump_stack_lvl+0x188/0x250
[  251.349227][ T4494]  ? show_regs_print_info+0x20/0x20
[  251.359135][ T4494]  ? load_image+0x400/0x400
[  251.369098][ T4494]  sysfs_create_dir_ns+0x26a/0x290
[  251.378446][ T4494]  ? sysfs_warn_dup+0xa0/0xa0
[  251.383494][ T4494]  ? do_raw_spin_unlock+0x11d/0x230
[  251.396335][ T4494]  kobject_add_internal+0x6e0/0xd90
[  251.408474][ T4494]  kobject_init_and_add+0x128/0x190
[  251.416624][ T4494]  ? lockdep_softirqs_off+0x430/0x430
[  251.428568][ T4494]  ? kobject_add+0x230/0x230
[  251.435873][ T4494]  ? __init_swait_queue_head+0xa5/0x150
[  251.448671][ T4494]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.457252][ T4494]  ? gfs2_recover_set+0x240/0x240
[  251.463667][ T4494]  ? snprintf+0xe5/0x140
[  251.474108][ T4494]  ? __free_pages+0x95/0x1a0
[  251.481246][ T4494]  ? vscnprintf+0x80/0x80
[  251.488214][ T4494]  gfs2_fill_super+0x120f/0x1f00
[  251.494068][ T4494]  ? gfs2_reconfigure+0xd30/0xd30
[  251.505828][ T4494]  ? sb_set_blocksize+0xa5/0xe0
[  251.514736][ T4494]  get_tree_bdev+0x3f1/0x610
[  251.520589][ T4494]  ? gfs2_reconfigure+0xd30/0xd30
[  251.529952][ T4494]  gfs2_get_tree+0x4d/0x1e0
[  251.536111][ T4494]  vfs_get_tree+0x88/0x270
[  251.541675][ T4494]  do_new_mount+0x24a/0xa40
[  251.551164][ T4494]  __se_sys_mount+0x2e3/0x3d0
[  251.558807][ T4494]  ? __x64_sys_mount+0xc0/0xc0
[  251.564894][ T4494]  ? lockdep_hardirqs_on+0x94/0x140
[  251.575292][ T4494]  ? __x64_sys_mount+0x1c/0xc0
[  251.581730][ T4494]  do_syscall_64+0x4c/0xa0
[  251.591301][ T4494]  ? clear_bhb_loop+0x30/0x80
[  251.597620][ T4494]  ? clear_bhb_loop+0x30/0x80
[  251.602874][ T4494]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.613912][ T4494] RIP: 0033:0x7fafc1d15f4a
[  251.619588][ T4494] 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
[  251.653915][ T4494] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.667562][ T4494] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  251.680750][ T4494] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  251.694422][ T4494] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  251.703677][ T4494] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  251.719377][ T4494] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  251.734155][ T4494]  </TASK>
[  251.743897][ T4494] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.769387][ T4494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.155617][ T4495] loop1: detected capacity change from 0 to 32768
[  252.211184][ T4495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.220130][ T4495] CPU: 0 PID: 4495 Comm: syz.1.119 Not tainted syzkaller #0
[  252.233729][ T4495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  252.255292][ T4495] Call Trace:
[  252.260277][ T4495]  <TASK>
[  252.265829][ T4495]  dump_stack_lvl+0x188/0x250
[  252.275356][ T4495]  ? show_regs_print_info+0x20/0x20
[  252.282949][ T4495]  ? load_image+0x400/0x400
[  252.294938][ T4495]  sysfs_create_dir_ns+0x26a/0x290
[  252.300927][ T4495]  ? sysfs_warn_dup+0xa0/0xa0
[  252.308051][ T4495]  ? do_raw_spin_unlock+0x11d/0x230
[  252.314577][ T4495]  kobject_add_internal+0x6e0/0xd90
[  252.323032][ T4495]  kobject_init_and_add+0x128/0x190
[  252.329590][ T4495]  ? lockdep_softirqs_off+0x430/0x430
[  252.340065][ T4495]  ? kobject_add+0x230/0x230
[  252.349068][ T4495]  ? __init_swait_queue_head+0xa5/0x150
[  252.361403][ T4495]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.370810][ T4495]  ? gfs2_recover_set+0x240/0x240
[  252.383854][ T4495]  ? snprintf+0xe5/0x140
[  252.388818][ T4495]  ? __free_pages+0x95/0x1a0
[  252.395388][ T4495]  ? vscnprintf+0x80/0x80
[  252.403474][ T4495]  gfs2_fill_super+0x120f/0x1f00
[  252.410148][ T4495]  ? gfs2_reconfigure+0xd30/0xd30
[  252.417832][ T4495]  ? sb_set_blocksize+0xa5/0xe0
[  252.423793][ T4495]  get_tree_bdev+0x3f1/0x610
[  252.429433][ T4495]  ? gfs2_reconfigure+0xd30/0xd30
[  252.438277][ T4495]  gfs2_get_tree+0x4d/0x1e0
[  252.446170][ T4495]  vfs_get_tree+0x88/0x270
[  252.451613][ T4495]  do_new_mount+0x24a/0xa40
[  252.459179][ T4495]  __se_sys_mount+0x2e3/0x3d0
[  252.470452][ T4495]  ? __x64_sys_mount+0xc0/0xc0
[  252.483435][ T4495]  ? lockdep_hardirqs_on+0x94/0x140
[  252.490474][ T4495]  ? __x64_sys_mount+0x1c/0xc0
[  252.501721][ T4495]  do_syscall_64+0x4c/0xa0
[  252.510139][ T4495]  ? clear_bhb_loop+0x30/0x80
[  252.520898][ T4495]  ? clear_bhb_loop+0x30/0x80
[  252.529054][ T4495]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.539969][ T4495] RIP: 0033:0x7fafc1d15f4a
[  252.547075][ T4495] 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
[  252.574198][ T4495] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.591610][ T4495] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  252.604360][ T4495] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  252.615263][ T4495] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  252.628196][ T4495] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  252.643820][ T4495] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  252.658240][ T4495]  </TASK>
[  252.675359][ T4495] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.700136][ T4495] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.182261][ T4496] loop1: detected capacity change from 0 to 32768
[  253.254840][ T4496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.270012][ T4496] CPU: 1 PID: 4496 Comm: syz.1.120 Not tainted syzkaller #0
[  253.284427][ T4496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  253.298479][ T4496] Call Trace:
[  253.303100][ T4496]  <TASK>
[  253.308005][ T4496]  dump_stack_lvl+0x188/0x250
[  253.314236][ T4496]  ? show_regs_print_info+0x20/0x20
[  253.323131][ T4496]  ? load_image+0x400/0x400
[  253.328676][ T4496]  sysfs_create_dir_ns+0x26a/0x290
[  253.337008][ T4496]  ? sysfs_warn_dup+0xa0/0xa0
[  253.344160][ T4496]  ? do_raw_spin_unlock+0x11d/0x230
[  253.353872][ T4496]  kobject_add_internal+0x6e0/0xd90
[  253.364980][ T4496]  kobject_init_and_add+0x128/0x190
[  253.371500][ T4496]  ? lockdep_softirqs_off+0x430/0x430
[  253.383894][ T4496]  ? kobject_add+0x230/0x230
[  253.389637][ T4496]  ? __init_swait_queue_head+0xa5/0x150
[  253.397674][ T4496]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.405105][ T4496]  ? gfs2_recover_set+0x240/0x240
[  253.412579][ T4496]  ? snprintf+0xe5/0x140
[  253.420089][ T4496]  ? __free_pages+0x95/0x1a0
[  253.429105][ T4496]  ? vscnprintf+0x80/0x80
[  253.434488][ T4496]  gfs2_fill_super+0x120f/0x1f00
[  253.442887][ T4496]  ? gfs2_reconfigure+0xd30/0xd30
[  253.448268][ T4496]  ? sb_set_blocksize+0xa5/0xe0
[  253.457095][ T4496]  get_tree_bdev+0x3f1/0x610
[  253.465089][ T4496]  ? gfs2_reconfigure+0xd30/0xd30
[  253.471579][ T4496]  gfs2_get_tree+0x4d/0x1e0
[  253.480453][ T4496]  vfs_get_tree+0x88/0x270
[  253.487092][ T4496]  do_new_mount+0x24a/0xa40
[  253.492994][ T4496]  __se_sys_mount+0x2e3/0x3d0
[  253.500310][ T4496]  ? __x64_sys_mount+0xc0/0xc0
[  253.508935][ T4496]  ? lockdep_hardirqs_on+0x94/0x140
[  253.514882][ T4496]  ? __x64_sys_mount+0x1c/0xc0
[  253.520648][ T4496]  do_syscall_64+0x4c/0xa0
[  253.528937][ T4496]  ? clear_bhb_loop+0x30/0x80
[  253.540234][ T4496]  ? clear_bhb_loop+0x30/0x80
[  253.547789][ T4496]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.554750][ T4496] RIP: 0033:0x7fafc1d15f4a
[  253.563111][ T4496] 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
[  253.591401][ T4496] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.606372][ T4496] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  253.617386][ T4496] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  253.628605][ T4496] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  253.642731][ T4496] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  253.652433][ T4496] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  253.667557][ T4496]  </TASK>
[  253.675732][ T4496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.699302][ T4496] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 12:59:23 executed programs: 106
[  254.176037][ T4497] loop1: detected capacity change from 0 to 32768
[  254.193191][ T4497] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.204944][ T4497] CPU: 0 PID: 4497 Comm: syz.1.121 Not tainted syzkaller #0
[  254.214984][ T4497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.229008][ T4497] Call Trace:
[  254.233747][ T4497]  <TASK>
[  254.237913][ T4497]  dump_stack_lvl+0x188/0x250
[  254.244750][ T4497]  ? show_regs_print_info+0x20/0x20
[  254.250600][ T4497]  ? load_image+0x400/0x400
[  254.260222][ T4497]  sysfs_create_dir_ns+0x26a/0x290
[  254.267414][ T4497]  ? sysfs_warn_dup+0xa0/0xa0
[  254.272608][ T4497]  ? do_raw_spin_unlock+0x11d/0x230
[  254.280008][ T4497]  kobject_add_internal+0x6e0/0xd90
[  254.287353][ T4497]  kobject_init_and_add+0x128/0x190
[  254.298382][ T4497]  ? lockdep_softirqs_off+0x430/0x430
[  254.306541][ T4497]  ? kobject_add+0x230/0x230
[  254.311653][ T4497]  ? __init_swait_queue_head+0xa5/0x150
[  254.319090][ T4497]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.326174][ T4497]  ? gfs2_recover_set+0x240/0x240
[  254.332906][ T4497]  ? snprintf+0xe5/0x140
[  254.341106][ T4497]  ? __free_pages+0x95/0x1a0
[  254.347052][ T4497]  ? vscnprintf+0x80/0x80
[  254.352819][ T4497]  gfs2_fill_super+0x120f/0x1f00
[  254.362925][ T4497]  ? gfs2_reconfigure+0xd30/0xd30
[  254.370104][ T4497]  ? sb_set_blocksize+0xa5/0xe0
[  254.380310][ T4497]  get_tree_bdev+0x3f1/0x610
[  254.386368][ T4497]  ? gfs2_reconfigure+0xd30/0xd30
[  254.396680][ T4497]  gfs2_get_tree+0x4d/0x1e0
[  254.402463][ T4497]  vfs_get_tree+0x88/0x270
[  254.408259][ T4497]  do_new_mount+0x24a/0xa40
[  254.414566][ T4497]  __se_sys_mount+0x2e3/0x3d0
[  254.421282][ T4497]  ? __x64_sys_mount+0xc0/0xc0
[  254.428930][ T4497]  ? lockdep_hardirqs_on+0x94/0x140
[  254.442200][ T4497]  ? __x64_sys_mount+0x1c/0xc0
[  254.449334][ T4497]  do_syscall_64+0x4c/0xa0
[  254.456798][ T4497]  ? clear_bhb_loop+0x30/0x80
[  254.465132][ T4497]  ? clear_bhb_loop+0x30/0x80
[  254.470169][ T4497]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.484380][ T4497] RIP: 0033:0x7fafc1d15f4a
[  254.489313][ T4497] 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
[  254.518537][ T4497] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.530795][ T4497] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  254.540377][ T4497] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  254.551162][ T4497] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  254.563847][ T4497] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  254.575968][ T4497] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  254.590927][ T4497]  </TASK>
[  254.603135][ T4497] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.623613][ T4497] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.089606][ T4498] loop1: detected capacity change from 0 to 32768
[  255.146214][ T4498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.160451][ T4498] CPU: 0 PID: 4498 Comm: syz.1.122 Not tainted syzkaller #0
[  255.172846][ T4498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  255.189599][ T4498] Call Trace:
[  255.194332][ T4498]  <TASK>
[  255.199943][ T4498]  dump_stack_lvl+0x188/0x250
[  255.208004][ T4498]  ? show_regs_print_info+0x20/0x20
[  255.214348][ T4498]  ? load_image+0x400/0x400
[  255.220270][ T4498]  sysfs_create_dir_ns+0x26a/0x290
[  255.226198][ T4498]  ? sysfs_warn_dup+0xa0/0xa0
[  255.234793][ T4498]  ? do_raw_spin_unlock+0x11d/0x230
[  255.244849][ T4498]  kobject_add_internal+0x6e0/0xd90
[  255.254757][ T4498]  kobject_init_and_add+0x128/0x190
[  255.262739][ T4498]  ? lockdep_softirqs_off+0x430/0x430
[  255.270227][ T4498]  ? kobject_add+0x230/0x230
[  255.278096][ T4498]  ? __init_swait_queue_head+0xa5/0x150
[  255.287015][ T4498]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.292293][ T4498]  ? gfs2_recover_set+0x240/0x240
[  255.300020][ T4498]  ? snprintf+0xe5/0x140
[  255.306343][ T4498]  ? __free_pages+0x95/0x1a0
[  255.313537][ T4498]  ? vscnprintf+0x80/0x80
[  255.319016][ T4498]  gfs2_fill_super+0x120f/0x1f00
[  255.325539][ T4498]  ? gfs2_reconfigure+0xd30/0xd30
[  255.332582][ T4498]  ? sb_set_blocksize+0xa5/0xe0
[  255.341864][ T4498]  get_tree_bdev+0x3f1/0x610
[  255.348656][ T4498]  ? gfs2_reconfigure+0xd30/0xd30
[  255.356104][ T4498]  gfs2_get_tree+0x4d/0x1e0
[  255.365479][ T4498]  vfs_get_tree+0x88/0x270
[  255.372015][ T4498]  do_new_mount+0x24a/0xa40
[  255.379819][ T4498]  __se_sys_mount+0x2e3/0x3d0
[  255.389613][ T4498]  ? __x64_sys_mount+0xc0/0xc0
[  255.398793][ T4498]  ? lockdep_hardirqs_on+0x94/0x140
[  255.406421][ T4498]  ? __x64_sys_mount+0x1c/0xc0
[  255.412192][ T4498]  do_syscall_64+0x4c/0xa0
[  255.419743][ T4498]  ? clear_bhb_loop+0x30/0x80
[  255.429864][ T4498]  ? clear_bhb_loop+0x30/0x80
[  255.435325][ T4498]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.444802][ T4498] RIP: 0033:0x7fafc1d15f4a
[  255.450515][ T4498] 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
[  255.479115][ T4498] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.492958][ T4498] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  255.502832][ T4498] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  255.514789][ T4498] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  255.529370][ T4498] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  255.540300][ T4498] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  255.550730][ T4498]  </TASK>
[  255.566251][ T4498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.588676][ T4498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.943069][ T4499] loop1: detected capacity change from 0 to 32768
[  256.002496][ T4499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.021274][ T4499] CPU: 1 PID: 4499 Comm: syz.1.123 Not tainted syzkaller #0
[  256.031040][ T4499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  256.045798][ T4499] Call Trace:
[  256.053009][ T4499]  <TASK>
[  256.060474][ T4499]  dump_stack_lvl+0x188/0x250
[  256.067004][ T4499]  ? show_regs_print_info+0x20/0x20
[  256.073837][ T4499]  ? load_image+0x400/0x400
[  256.082154][ T4499]  sysfs_create_dir_ns+0x26a/0x290
[  256.089218][ T4499]  ? sysfs_warn_dup+0xa0/0xa0
[  256.097126][ T4499]  ? do_raw_spin_unlock+0x11d/0x230
[  256.106445][ T4499]  kobject_add_internal+0x6e0/0xd90
[  256.113019][ T4499]  kobject_init_and_add+0x128/0x190
[  256.121307][ T4499]  ? lockdep_softirqs_off+0x430/0x430
[  256.129182][ T4499]  ? kobject_add+0x230/0x230
[  256.134692][ T4499]  ? __init_swait_queue_head+0xa5/0x150
[  256.143384][ T4499]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.150222][ T4499]  ? gfs2_recover_set+0x240/0x240
[  256.156128][ T4499]  ? snprintf+0xe5/0x140
[  256.160718][ T4499]  ? __free_pages+0x95/0x1a0
[  256.168831][ T4499]  ? vscnprintf+0x80/0x80
[  256.173421][ T4499]  gfs2_fill_super+0x120f/0x1f00
[  256.182457][ T4499]  ? gfs2_reconfigure+0xd30/0xd30
[  256.188657][ T4499]  ? sb_set_blocksize+0xa5/0xe0
[  256.195426][ T4499]  get_tree_bdev+0x3f1/0x610
[  256.200162][ T4499]  ? gfs2_reconfigure+0xd30/0xd30
[  256.207182][ T4499]  gfs2_get_tree+0x4d/0x1e0
[  256.213886][ T4499]  vfs_get_tree+0x88/0x270
[  256.220561][ T4499]  do_new_mount+0x24a/0xa40
[  256.226460][ T4499]  __se_sys_mount+0x2e3/0x3d0
[  256.232591][ T4499]  ? __x64_sys_mount+0xc0/0xc0
[  256.239658][ T4499]  ? lockdep_hardirqs_on+0x94/0x140
[  256.245142][ T4499]  ? __x64_sys_mount+0x1c/0xc0
[  256.253047][ T4499]  do_syscall_64+0x4c/0xa0
[  256.261441][ T4499]  ? clear_bhb_loop+0x30/0x80
[  256.268209][ T4499]  ? clear_bhb_loop+0x30/0x80
[  256.274628][ T4499]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.284025][ T4499] RIP: 0033:0x7fafc1d15f4a
[  256.290581][ T4499] 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
[  256.323633][ T4499] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.336140][ T4499] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  256.346898][ T4499] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  256.357165][ T4499] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  256.370020][ T4499] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  256.383949][ T4499] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  256.395216][ T4499]  </TASK>
[  256.407300][ T4499] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.428395][ T4499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.884844][ T4500] loop1: detected capacity change from 0 to 32768
[  256.908748][ T4500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.923253][ T4500] CPU: 1 PID: 4500 Comm: syz.1.124 Not tainted syzkaller #0
[  256.932917][ T4500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  256.948642][ T4500] Call Trace:
[  256.952935][ T4500]  <TASK>
[  256.959640][ T4500]  dump_stack_lvl+0x188/0x250
[  256.965118][ T4500]  ? show_regs_print_info+0x20/0x20
[  256.974383][ T4500]  ? load_image+0x400/0x400
[  256.980048][ T4500]  sysfs_create_dir_ns+0x26a/0x290
[  256.987632][ T4500]  ? sysfs_warn_dup+0xa0/0xa0
[  256.993388][ T4500]  ? do_raw_spin_unlock+0x11d/0x230
[  257.001960][ T4500]  kobject_add_internal+0x6e0/0xd90
[  257.008551][ T4500]  kobject_init_and_add+0x128/0x190
[  257.016030][ T4500]  ? lockdep_softirqs_off+0x430/0x430
[  257.022410][ T4500]  ? kobject_add+0x230/0x230
[  257.027419][ T4500]  ? __init_swait_queue_head+0xa5/0x150
[  257.034392][ T4500]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.046706][ T4500]  ? gfs2_recover_set+0x240/0x240
[  257.058067][ T4500]  ? snprintf+0xe5/0x140
[  257.064382][ T4500]  ? __free_pages+0x95/0x1a0
[  257.070478][ T4500]  ? vscnprintf+0x80/0x80
[  257.081684][ T4500]  gfs2_fill_super+0x120f/0x1f00
[  257.088394][ T4500]  ? gfs2_reconfigure+0xd30/0xd30
[  257.098121][ T4500]  ? sb_set_blocksize+0xa5/0xe0
[  257.104893][ T4500]  get_tree_bdev+0x3f1/0x610
[  257.111387][ T4500]  ? gfs2_reconfigure+0xd30/0xd30
[  257.117918][ T4500]  gfs2_get_tree+0x4d/0x1e0
[  257.124383][ T4500]  vfs_get_tree+0x88/0x270
[  257.131319][ T4500]  do_new_mount+0x24a/0xa40
[  257.137695][ T4500]  __se_sys_mount+0x2e3/0x3d0
[  257.144732][ T4500]  ? __x64_sys_mount+0xc0/0xc0
[  257.151439][ T4500]  ? lockdep_hardirqs_on+0x94/0x140
[  257.160523][ T4500]  ? __x64_sys_mount+0x1c/0xc0
[  257.166755][ T4500]  do_syscall_64+0x4c/0xa0
[  257.172180][ T4500]  ? clear_bhb_loop+0x30/0x80
[  257.183238][ T4500]  ? clear_bhb_loop+0x30/0x80
[  257.191963][ T4500]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.203653][ T4500] RIP: 0033:0x7fafc1d15f4a
[  257.208865][ T4500] 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
[  257.241895][ T4500] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.251116][ T4500] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  257.269090][ T4500] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  257.284722][ T4500] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  257.297284][ T4500] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  257.310597][ T4500] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  257.326348][ T4500]  </TASK>
[  257.360443][ T4500] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.390105][ T4500] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.753751][ T4505] loop1: detected capacity change from 0 to 32768
[  257.806129][ T4505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.815144][ T4505] CPU: 1 PID: 4505 Comm: syz.1.125 Not tainted syzkaller #0
[  257.828679][ T4505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  257.844218][ T4505] Call Trace:
[  257.849385][ T4505]  <TASK>
[  257.853399][ T4505]  dump_stack_lvl+0x188/0x250
[  257.859218][ T4505]  ? show_regs_print_info+0x20/0x20
[  257.869179][ T4505]  ? load_image+0x400/0x400
[  257.876381][ T4505]  sysfs_create_dir_ns+0x26a/0x290
[  257.882264][ T4505]  ? sysfs_warn_dup+0xa0/0xa0
[  257.888095][ T4505]  ? do_raw_spin_unlock+0x11d/0x230
[  257.894411][ T4505]  kobject_add_internal+0x6e0/0xd90
[  257.903426][ T4505]  kobject_init_and_add+0x128/0x190
[  257.909556][ T4505]  ? lockdep_softirqs_off+0x430/0x430
[  257.915395][ T4505]  ? kobject_add+0x230/0x230
[  257.921592][ T4505]  ? __init_swait_queue_head+0xa5/0x150
[  257.928577][ T4505]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.935226][ T4505]  ? gfs2_recover_set+0x240/0x240
[  257.943990][ T4505]  ? snprintf+0xe5/0x140
[  257.949598][ T4505]  ? __free_pages+0x95/0x1a0
[  257.956331][ T4505]  ? vscnprintf+0x80/0x80
[  257.963827][ T4505]  gfs2_fill_super+0x120f/0x1f00
[  257.971303][ T4505]  ? gfs2_reconfigure+0xd30/0xd30
[  257.983755][ T4505]  ? sb_set_blocksize+0xa5/0xe0
[  257.989211][ T4505]  get_tree_bdev+0x3f1/0x610
[  257.996839][ T4505]  ? gfs2_reconfigure+0xd30/0xd30
[  258.005883][ T4505]  gfs2_get_tree+0x4d/0x1e0
[  258.010446][ T4505]  vfs_get_tree+0x88/0x270
[  258.016941][ T4505]  do_new_mount+0x24a/0xa40
[  258.022571][ T4505]  __se_sys_mount+0x2e3/0x3d0
[  258.028695][ T4505]  ? __x64_sys_mount+0xc0/0xc0
[  258.038492][ T4505]  ? lockdep_hardirqs_on+0x94/0x140
[  258.044933][ T4505]  ? __x64_sys_mount+0x1c/0xc0
[  258.050715][ T4505]  do_syscall_64+0x4c/0xa0
[  258.056776][ T4505]  ? clear_bhb_loop+0x30/0x80
[  258.064743][ T4505]  ? clear_bhb_loop+0x30/0x80
[  258.071102][ T4505]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.081921][ T4505] RIP: 0033:0x7fafc1d15f4a
[  258.088246][ T4505] 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
[  258.116290][ T4505] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.129561][ T4505] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  258.141428][ T4505] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  258.150516][ T4505] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  258.166635][ T4505] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  258.176951][ T4505] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  258.190429][ T4505]  </TASK>
[  258.204974][ T4505] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.226113][ T4505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.620310][ T4507] loop1: detected capacity change from 0 to 32768
[  258.700748][ T4507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.711726][ T4507] CPU: 1 PID: 4507 Comm: syz.1.126 Not tainted syzkaller #0
[  258.720414][ T4507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  258.732451][ T4507] Call Trace:
[  258.736667][ T4507]  <TASK>
[  258.741331][ T4507]  dump_stack_lvl+0x188/0x250
[  258.749605][ T4507]  ? show_regs_print_info+0x20/0x20
[  258.756963][ T4507]  ? load_image+0x400/0x400
[  258.766238][ T4507]  sysfs_create_dir_ns+0x26a/0x290
[  258.772557][ T4507]  ? sysfs_warn_dup+0xa0/0xa0
[  258.780218][ T4507]  ? do_raw_spin_unlock+0x11d/0x230
[  258.786655][ T4507]  kobject_add_internal+0x6e0/0xd90
[  258.793250][ T4507]  kobject_init_and_add+0x128/0x190
[  258.800354][ T4507]  ? lockdep_softirqs_off+0x430/0x430
[  258.807941][ T4507]  ? kobject_add+0x230/0x230
[  258.815125][ T4507]  ? __init_swait_queue_head+0xa5/0x150
[  258.822360][ T4507]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.830948][ T4507]  ? gfs2_recover_set+0x240/0x240
[  258.838357][ T4507]  ? snprintf+0xe5/0x140
[  258.846050][ T4507]  ? __free_pages+0x95/0x1a0
[  258.852066][ T4507]  ? vscnprintf+0x80/0x80
[  258.859768][ T4507]  gfs2_fill_super+0x120f/0x1f00
[  258.865678][ T4507]  ? gfs2_reconfigure+0xd30/0xd30
[  258.873339][ T4507]  ? sb_set_blocksize+0xa5/0xe0
[  258.878744][ T4507]  get_tree_bdev+0x3f1/0x610
[  258.885316][ T4507]  ? gfs2_reconfigure+0xd30/0xd30
[  258.893619][ T4507]  gfs2_get_tree+0x4d/0x1e0
[  258.900028][ T4507]  vfs_get_tree+0x88/0x270
[  258.904780][ T4507]  do_new_mount+0x24a/0xa40
[  258.909902][ T4507]  __se_sys_mount+0x2e3/0x3d0
[  258.917131][ T4507]  ? __x64_sys_mount+0xc0/0xc0
[  258.923386][ T4507]  ? lockdep_hardirqs_on+0x94/0x140
[  258.931677][ T4507]  ? __x64_sys_mount+0x1c/0xc0
[  258.937264][ T4507]  do_syscall_64+0x4c/0xa0
[  258.943660][ T4507]  ? clear_bhb_loop+0x30/0x80
[  258.948744][ T4507]  ? clear_bhb_loop+0x30/0x80
[  258.955130][ T4507]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.963892][ T4507] RIP: 0033:0x7fafc1d15f4a
[  258.970319][ T4507] 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
[  259.000628][ T4507] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.010578][ T4507] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  259.025226][ T4507] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  259.039049][ T4507] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  259.049016][ T4507] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  259.062784][ T4507] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  259.073179][ T4507]  </TASK>
[  259.085533][ T4507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.107906][ T4507] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 12:59:28 executed programs: 112
[  259.441394][ T4509] loop1: detected capacity change from 0 to 32768
[  259.498825][ T4509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.508918][ T4509] CPU: 1 PID: 4509 Comm: syz.1.127 Not tainted syzkaller #0
[  259.520283][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  259.534375][ T4509] Call Trace:
[  259.539070][ T4509]  <TASK>
[  259.544066][ T4509]  dump_stack_lvl+0x188/0x250
[  259.552231][ T4509]  ? show_regs_print_info+0x20/0x20
[  259.558377][ T4509]  ? load_image+0x400/0x400
[  259.565329][ T4509]  sysfs_create_dir_ns+0x26a/0x290
[  259.573722][ T4509]  ? sysfs_warn_dup+0xa0/0xa0
[  259.579995][ T4509]  ? do_raw_spin_unlock+0x11d/0x230
[  259.587999][ T4509]  kobject_add_internal+0x6e0/0xd90
[  259.596457][ T4509]  kobject_init_and_add+0x128/0x190
[  259.604541][ T4509]  ? lockdep_softirqs_off+0x430/0x430
[  259.614436][ T4509]  ? kobject_add+0x230/0x230
[  259.621799][ T4509]  ? __init_swait_queue_head+0xa5/0x150
[  259.630828][ T4509]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.637019][ T4509]  ? gfs2_recover_set+0x240/0x240
[  259.643662][ T4509]  ? snprintf+0xe5/0x140
[  259.652702][ T4509]  ? __free_pages+0x95/0x1a0
[  259.658522][ T4509]  ? vscnprintf+0x80/0x80
[  259.664945][ T4509]  gfs2_fill_super+0x120f/0x1f00
[  259.675299][ T4509]  ? gfs2_reconfigure+0xd30/0xd30
[  259.682599][ T4509]  ? sb_set_blocksize+0xa5/0xe0
[  259.692677][ T4509]  get_tree_bdev+0x3f1/0x610
[  259.699054][ T4509]  ? gfs2_reconfigure+0xd30/0xd30
[  259.706144][ T4509]  gfs2_get_tree+0x4d/0x1e0
[  259.714679][ T4509]  vfs_get_tree+0x88/0x270
[  259.719518][ T4509]  do_new_mount+0x24a/0xa40
[  259.727976][ T4509]  __se_sys_mount+0x2e3/0x3d0
[  259.736138][ T4509]  ? __x64_sys_mount+0xc0/0xc0
[  259.742348][ T4509]  ? lockdep_hardirqs_on+0x94/0x140
[  259.752914][ T4509]  ? __x64_sys_mount+0x1c/0xc0
[  259.758367][ T4509]  do_syscall_64+0x4c/0xa0
[  259.766704][ T4509]  ? clear_bhb_loop+0x30/0x80
[  259.772954][ T4509]  ? clear_bhb_loop+0x30/0x80
[  259.774209][ T4253] Bluetooth: hci0: command 0x0406 tx timeout
[  259.779143][ T4509]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.779189][ T4509] RIP: 0033:0x7fafc1d15f4a
[  259.807464][ T4509] 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
[  259.842718][ T4509] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.860838][ T4509] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  259.876821][ T4509] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  259.888728][ T4509] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  259.901882][ T4509] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  259.915425][ T4509] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  259.928332][ T4509]  </TASK>
[  259.940352][ T4509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.960349][ T4509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.332134][ T4510] loop1: detected capacity change from 0 to 32768
[  260.406158][ T4510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.419652][ T4510] CPU: 1 PID: 4510 Comm: syz.1.128 Not tainted syzkaller #0
[  260.435072][ T4510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  260.449188][ T4510] Call Trace:
[  260.456152][ T4510]  <TASK>
[  260.460049][ T4510]  dump_stack_lvl+0x188/0x250
[  260.469304][ T4510]  ? show_regs_print_info+0x20/0x20
[  260.475695][ T4510]  ? load_image+0x400/0x400
[  260.482696][ T4510]  sysfs_create_dir_ns+0x26a/0x290
[  260.497568][ T4510]  ? sysfs_warn_dup+0xa0/0xa0
[  260.504115][ T4510]  ? do_raw_spin_unlock+0x11d/0x230
[  260.511024][ T4510]  kobject_add_internal+0x6e0/0xd90
[  260.519208][ T4510]  kobject_init_and_add+0x128/0x190
[  260.528776][ T4510]  ? lockdep_softirqs_off+0x430/0x430
[  260.536121][ T4510]  ? kobject_add+0x230/0x230
[  260.542377][ T4510]  ? __init_swait_queue_head+0xa5/0x150
[  260.549573][ T4510]  gfs2_sys_fs_add+0x24f/0x4b0
[  260.555875][ T4510]  ? gfs2_recover_set+0x240/0x240
[  260.563380][ T4510]  ? snprintf+0xe5/0x140
[  260.568216][ T4510]  ? __free_pages+0x95/0x1a0
[  260.575599][ T4510]  ? vscnprintf+0x80/0x80
[  260.581566][ T4510]  gfs2_fill_super+0x120f/0x1f00
[  260.588882][ T4510]  ? gfs2_reconfigure+0xd30/0xd30
[  260.595148][ T4510]  ? sb_set_blocksize+0xa5/0xe0
[  260.602016][ T4510]  get_tree_bdev+0x3f1/0x610
[  260.608161][ T4510]  ? gfs2_reconfigure+0xd30/0xd30
[  260.614322][ T4510]  gfs2_get_tree+0x4d/0x1e0
[  260.619795][ T4510]  vfs_get_tree+0x88/0x270
[  260.628173][ T4510]  do_new_mount+0x24a/0xa40
[  260.632845][ T4510]  __se_sys_mount+0x2e3/0x3d0
[  260.640103][ T4510]  ? __x64_sys_mount+0xc0/0xc0
[  260.648193][ T4510]  ? lockdep_hardirqs_on+0x94/0x140
[  260.658224][ T4510]  ? __x64_sys_mount+0x1c/0xc0
[  260.667842][ T4510]  do_syscall_64+0x4c/0xa0
[  260.677954][ T4510]  ? clear_bhb_loop+0x30/0x80
[  260.684840][ T4510]  ? clear_bhb_loop+0x30/0x80
[  260.691690][ T4510]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.700788][ T4510] RIP: 0033:0x7fafc1d15f4a
[  260.708108][ T4510] 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
[  260.735032][ T4510] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.746207][ T4510] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  260.757562][ T4510] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  260.769556][ T4510] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  260.780901][ T4510] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  260.793275][ T4510] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  260.804969][ T4510]  </TASK>
[  260.810203][ T4510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.830252][ T4510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.266961][ T4511] loop1: detected capacity change from 0 to 32768
[  261.326187][ T4511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.334991][ T4511] CPU: 1 PID: 4511 Comm: syz.1.129 Not tainted syzkaller #0
[  261.344880][ T4511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  261.357211][ T4511] Call Trace:
[  261.361357][ T4511]  <TASK>
[  261.366398][ T4511]  dump_stack_lvl+0x188/0x250
[  261.372286][ T4511]  ? show_regs_print_info+0x20/0x20
[  261.381256][ T4511]  ? load_image+0x400/0x400
[  261.387784][ T4511]  sysfs_create_dir_ns+0x26a/0x290
[  261.398135][ T4511]  ? sysfs_warn_dup+0xa0/0xa0
[  261.405988][ T4511]  ? do_raw_spin_unlock+0x11d/0x230
[  261.412259][ T4511]  kobject_add_internal+0x6e0/0xd90
[  261.419476][ T4511]  kobject_init_and_add+0x128/0x190
[  261.426253][ T4511]  ? lockdep_softirqs_off+0x430/0x430
[  261.432126][ T4511]  ? kobject_add+0x230/0x230
[  261.437512][ T4511]  ? __init_swait_queue_head+0xa5/0x150
[  261.445411][ T4511]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.452417][ T4511]  ? gfs2_recover_set+0x240/0x240
[  261.461093][ T4511]  ? snprintf+0xe5/0x140
[  261.467019][ T4511]  ? __free_pages+0x95/0x1a0
[  261.476401][ T4511]  ? vscnprintf+0x80/0x80
[  261.484045][ T4511]  gfs2_fill_super+0x120f/0x1f00
[  261.489872][ T4511]  ? gfs2_reconfigure+0xd30/0xd30
[  261.498448][ T4511]  ? sb_set_blocksize+0xa5/0xe0
[  261.506339][ T4511]  get_tree_bdev+0x3f1/0x610
[  261.514328][ T4511]  ? gfs2_reconfigure+0xd30/0xd30
[  261.524219][ T4511]  gfs2_get_tree+0x4d/0x1e0
[  261.529594][ T4511]  vfs_get_tree+0x88/0x270
[  261.538164][ T4511]  do_new_mount+0x24a/0xa40
[  261.543542][ T4511]  __se_sys_mount+0x2e3/0x3d0
[  261.551306][ T4511]  ? __x64_sys_mount+0xc0/0xc0
[  261.561925][ T4511]  ? lockdep_hardirqs_on+0x94/0x140
[  261.570835][ T4511]  ? __x64_sys_mount+0x1c/0xc0
[  261.578907][ T4511]  do_syscall_64+0x4c/0xa0
[  261.584512][ T4511]  ? clear_bhb_loop+0x30/0x80
[  261.590626][ T4511]  ? clear_bhb_loop+0x30/0x80
[  261.598467][ T4511]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.605545][ T4511] RIP: 0033:0x7fafc1d15f4a
[  261.610551][ T4511] 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
[  261.636032][ T4511] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.649032][ T4511] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  261.659320][ T4511] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  261.669579][ T4511] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  261.683194][ T4511] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  261.693256][ T4511] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  261.703105][ T4511]  </TASK>
[  261.711361][ T4511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.729559][ T4511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.097268][ T4512] loop1: detected capacity change from 0 to 32768
[  262.154032][ T4512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.170254][ T4512] CPU: 1 PID: 4512 Comm: syz.1.130 Not tainted syzkaller #0
[  262.180194][ T4512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  262.193689][ T4512] Call Trace:
[  262.197730][ T4512]  <TASK>
[  262.205080][ T4512]  dump_stack_lvl+0x188/0x250
[  262.210268][ T4512]  ? show_regs_print_info+0x20/0x20
[  262.217282][ T4512]  ? load_image+0x400/0x400
[  262.223299][ T4512]  sysfs_create_dir_ns+0x26a/0x290
[  262.231398][ T4512]  ? sysfs_warn_dup+0xa0/0xa0
[  262.239347][ T4512]  ? do_raw_spin_unlock+0x11d/0x230
[  262.248267][ T4512]  kobject_add_internal+0x6e0/0xd90
[  262.255959][ T4512]  kobject_init_and_add+0x128/0x190
[  262.267419][ T4512]  ? lockdep_softirqs_off+0x430/0x430
[  262.276423][ T4512]  ? kobject_add+0x230/0x230
[  262.285198][ T4512]  ? __init_swait_queue_head+0xa5/0x150
[  262.292482][ T4512]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.301338][ T4512]  ? gfs2_recover_set+0x240/0x240
[  262.307864][ T4512]  ? snprintf+0xe5/0x140
[  262.314809][ T4512]  ? __free_pages+0x95/0x1a0
[  262.323042][ T4512]  ? vscnprintf+0x80/0x80
[  262.328403][ T4512]  gfs2_fill_super+0x120f/0x1f00
[  262.334383][ T4512]  ? gfs2_reconfigure+0xd30/0xd30
[  262.340621][ T4512]  ? sb_set_blocksize+0xa5/0xe0
[  262.346842][ T4512]  get_tree_bdev+0x3f1/0x610
[  262.353873][ T4512]  ? gfs2_reconfigure+0xd30/0xd30
[  262.360147][ T4512]  gfs2_get_tree+0x4d/0x1e0
[  262.369069][ T4512]  vfs_get_tree+0x88/0x270
[  262.374171][ T4512]  do_new_mount+0x24a/0xa40
[  262.381341][ T4512]  __se_sys_mount+0x2e3/0x3d0
[  262.386905][ T4512]  ? __x64_sys_mount+0xc0/0xc0
[  262.393618][ T4512]  ? lockdep_hardirqs_on+0x94/0x140
[  262.400176][ T4512]  ? __x64_sys_mount+0x1c/0xc0
[  262.406400][ T4512]  do_syscall_64+0x4c/0xa0
[  262.412779][ T4512]  ? clear_bhb_loop+0x30/0x80
[  262.420462][ T4512]  ? clear_bhb_loop+0x30/0x80
[  262.426291][ T4512]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.436162][ T4512] RIP: 0033:0x7fafc1d15f4a
[  262.444630][ T4512] 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
[  262.477511][ T4512] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.487723][ T4512] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  262.503319][ T4512] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  262.513853][ T4512] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  262.525514][ T4512] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  262.535513][ T4512] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  262.548710][ T4512]  </TASK>
[  262.557237][ T4512] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.574555][ T4512] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.048926][ T4513] loop1: detected capacity change from 0 to 32768
[  263.162092][ T4513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.175398][ T4513] CPU: 0 PID: 4513 Comm: syz.1.131 Not tainted syzkaller #0
[  263.188362][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  263.204434][ T4513] Call Trace:
[  263.208296][ T4513]  <TASK>
[  263.213352][ T4513]  dump_stack_lvl+0x188/0x250
[  263.221028][ T4513]  ? show_regs_print_info+0x20/0x20
[  263.230293][ T4513]  ? load_image+0x400/0x400
[  263.240703][ T4513]  sysfs_create_dir_ns+0x26a/0x290
[  263.246647][ T4513]  ? sysfs_warn_dup+0xa0/0xa0
[  263.253301][ T4513]  ? do_raw_spin_unlock+0x11d/0x230
[  263.260817][ T4513]  kobject_add_internal+0x6e0/0xd90
[  263.267939][ T4513]  kobject_init_and_add+0x128/0x190
[  263.273752][ T4513]  ? lockdep_softirqs_off+0x430/0x430
[  263.285129][ T4513]  ? kobject_add+0x230/0x230
[  263.291385][ T4513]  ? __init_swait_queue_head+0xa5/0x150
[  263.300775][ T4513]  gfs2_sys_fs_add+0x24f/0x4b0
[  263.309039][ T4513]  ? gfs2_recover_set+0x240/0x240
[  263.317920][ T4513]  ? snprintf+0xe5/0x140
[  263.323115][ T4513]  ? __free_pages+0x95/0x1a0
[  263.330100][ T4513]  ? vscnprintf+0x80/0x80
[  263.336906][ T4513]  gfs2_fill_super+0x120f/0x1f00
[  263.347257][ T4513]  ? gfs2_reconfigure+0xd30/0xd30
[  263.356212][ T4513]  ? sb_set_blocksize+0xa5/0xe0
[  263.362513][ T4513]  get_tree_bdev+0x3f1/0x610
[  263.368519][ T4513]  ? gfs2_reconfigure+0xd30/0xd30
[  263.375821][ T4513]  gfs2_get_tree+0x4d/0x1e0
[  263.383959][ T4513]  vfs_get_tree+0x88/0x270
[  263.389304][ T4513]  do_new_mount+0x24a/0xa40
[  263.394744][ T4513]  __se_sys_mount+0x2e3/0x3d0
[  263.399962][ T4513]  ? __x64_sys_mount+0xc0/0xc0
[  263.408676][ T4513]  ? lockdep_hardirqs_on+0x94/0x140
[  263.414551][ T4513]  ? __x64_sys_mount+0x1c/0xc0
[  263.420271][ T4513]  do_syscall_64+0x4c/0xa0
[  263.426697][ T4513]  ? clear_bhb_loop+0x30/0x80
[  263.432696][ T4513]  ? clear_bhb_loop+0x30/0x80
[  263.439862][ T4513]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.448473][ T4513] RIP: 0033:0x7fafc1d15f4a
[  263.453647][ T4513] 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
[  263.482358][ T4513] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.496702][ T4513] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  263.507210][ T4513] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  263.519567][ T4513] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  263.530672][ T4513] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  263.542712][ T4513] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  263.556437][ T4513]  </TASK>
[  263.568970][ T4513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.590762][ T4513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.067909][ T4514] loop1: detected capacity change from 0 to 32768
[  264.121619][ T4514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.148706][ T4514] CPU: 0 PID: 4514 Comm: syz.1.132 Not tainted syzkaller #0
[  264.157067][ T4514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  264.169296][ T4514] Call Trace:
[  264.173210][ T4514]  <TASK>
[  264.176462][ T4514]  dump_stack_lvl+0x188/0x250
[  264.182430][ T4514]  ? show_regs_print_info+0x20/0x20
[  264.189060][ T4514]  ? load_image+0x400/0x400
[  264.194724][ T4514]  sysfs_create_dir_ns+0x26a/0x290
[  264.201109][ T4514]  ? sysfs_warn_dup+0xa0/0xa0
[  264.207379][ T4514]  ? do_raw_spin_unlock+0x11d/0x230
[  264.215922][ T4514]  kobject_add_internal+0x6e0/0xd90
[  264.222194][ T4514]  kobject_init_and_add+0x128/0x190
[  264.228477][ T4514]  ? lockdep_softirqs_off+0x430/0x430
[  264.235332][ T4514]  ? kobject_add+0x230/0x230
[  264.242616][ T4514]  ? __init_swait_queue_head+0xa5/0x150
[  264.250547][ T4514]  gfs2_sys_fs_add+0x24f/0x4b0
[  264.257127][ T4514]  ? gfs2_recover_set+0x240/0x240
[  264.266907][ T4514]  ? snprintf+0xe5/0x140
[  264.272859][ T4514]  ? __free_pages+0x95/0x1a0
[  264.279540][ T4514]  ? vscnprintf+0x80/0x80
[  264.285174][ T4514]  gfs2_fill_super+0x120f/0x1f00
[  264.292122][ T4514]  ? gfs2_reconfigure+0xd30/0xd30
[  264.298032][ T4514]  ? sb_set_blocksize+0xa5/0xe0
[  264.304288][ T4514]  get_tree_bdev+0x3f1/0x610
[  264.311026][ T4514]  ? gfs2_reconfigure+0xd30/0xd30
[  264.317372][ T4514]  gfs2_get_tree+0x4d/0x1e0
[  264.322787][ T4514]  vfs_get_tree+0x88/0x270
[  264.329597][ T4514]  do_new_mount+0x24a/0xa40
[  264.335250][ T4514]  __se_sys_mount+0x2e3/0x3d0
[  264.341998][ T4514]  ? __x64_sys_mount+0xc0/0xc0
[  264.347624][ T4514]  ? lockdep_hardirqs_on+0x94/0x140
[  264.355198][ T4514]  ? __x64_sys_mount+0x1c/0xc0
[  264.361703][ T4514]  do_syscall_64+0x4c/0xa0
[  264.369128][ T4514]  ? clear_bhb_loop+0x30/0x80
[  264.374439][ T4514]  ? clear_bhb_loop+0x30/0x80
[  264.379629][ T4514]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.386602][ T4514] RIP: 0033:0x7fafc1d15f4a
[  264.391463][ T4514] 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
[  264.420735][ T4514] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.431052][ T4514] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  264.443420][ T4514] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  264.454144][ T4514] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  264.464549][ T4514] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  264.477422][ T4514] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  264.490312][ T4514]  </TASK>
[  264.499108][ T4514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.518897][ T4514] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 12:59:34 executed programs: 118
[  264.860817][ T4515] loop1: detected capacity change from 0 to 32768
[  264.968033][ T4515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.980295][ T4515] CPU: 0 PID: 4515 Comm: syz.1.133 Not tainted syzkaller #0
[  264.989310][ T4515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  265.004872][ T4515] Call Trace:
[  265.009808][ T4515]  <TASK>
[  265.013245][ T4515]  dump_stack_lvl+0x188/0x250
[  265.022154][ T4515]  ? show_regs_print_info+0x20/0x20
[  265.029843][ T4515]  ? load_image+0x400/0x400
[  265.035353][ T4515]  sysfs_create_dir_ns+0x26a/0x290
[  265.044373][ T4515]  ? sysfs_warn_dup+0xa0/0xa0
[  265.050777][ T4515]  ? do_raw_spin_unlock+0x11d/0x230
[  265.058634][ T4515]  kobject_add_internal+0x6e0/0xd90
[  265.067411][ T4515]  kobject_init_and_add+0x128/0x190
[  265.074236][ T4515]  ? lockdep_softirqs_off+0x430/0x430
[  265.083883][ T4515]  ? kobject_add+0x230/0x230
[  265.091360][ T4515]  ? __init_swait_queue_head+0xa5/0x150
[  265.098176][ T4515]  gfs2_sys_fs_add+0x24f/0x4b0
[  265.107139][ T4515]  ? gfs2_recover_set+0x240/0x240
[  265.113585][ T4515]  ? snprintf+0xe5/0x140
[  265.119382][ T4515]  ? __free_pages+0x95/0x1a0
[  265.125514][ T4515]  ? vscnprintf+0x80/0x80
[  265.131833][ T4515]  gfs2_fill_super+0x120f/0x1f00
[  265.137490][ T4515]  ? gfs2_reconfigure+0xd30/0xd30
[  265.144144][ T4515]  ? sb_set_blocksize+0xa5/0xe0
[  265.150126][ T4515]  get_tree_bdev+0x3f1/0x610
[  265.156902][ T4515]  ? gfs2_reconfigure+0xd30/0xd30
[  265.163290][ T4515]  gfs2_get_tree+0x4d/0x1e0
[  265.169010][ T4515]  vfs_get_tree+0x88/0x270
[  265.174537][ T4515]  do_new_mount+0x24a/0xa40
[  265.183612][ T4515]  __se_sys_mount+0x2e3/0x3d0
[  265.189333][ T4515]  ? __x64_sys_mount+0xc0/0xc0
[  265.194985][ T4515]  ? lockdep_hardirqs_on+0x94/0x140
[  265.204519][ T4515]  ? __x64_sys_mount+0x1c/0xc0
[  265.209662][ T4515]  do_syscall_64+0x4c/0xa0
[  265.217347][ T4515]  ? clear_bhb_loop+0x30/0x80
[  265.226289][ T4515]  ? clear_bhb_loop+0x30/0x80
[  265.232665][ T4515]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  265.242010][ T4515] RIP: 0033:0x7fafc1d15f4a
[  265.248098][ T4515] 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
[  265.276830][ T4515] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.291689][ T4515] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  265.306227][ T4515] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  265.319067][ T4515] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  265.330023][ T4515] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  265.343171][ T4515] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  265.354959][ T4515]  </TASK>
[  265.369149][ T4515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.389142][ T4515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.895283][ T4516] loop1: detected capacity change from 0 to 32768
[  265.949968][ T4516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.962351][ T4516] CPU: 1 PID: 4516 Comm: syz.1.134 Not tainted syzkaller #0
[  265.977517][ T4516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  265.995383][ T4516] Call Trace:
[  265.998917][ T4516]  <TASK>
[  266.003252][ T4516]  dump_stack_lvl+0x188/0x250
[  266.013568][ T4516]  ? show_regs_print_info+0x20/0x20
[  266.019888][ T4516]  ? load_image+0x400/0x400
[  266.027910][ T4516]  sysfs_create_dir_ns+0x26a/0x290
[  266.036474][ T4516]  ? sysfs_warn_dup+0xa0/0xa0
[  266.042660][ T4516]  ? do_raw_spin_unlock+0x11d/0x230
[  266.055669][ T4516]  kobject_add_internal+0x6e0/0xd90
[  266.063253][ T4516]  kobject_init_and_add+0x128/0x190
[  266.075245][ T4516]  ? lockdep_softirqs_off+0x430/0x430
[  266.085047][ T4516]  ? kobject_add+0x230/0x230
[  266.093219][ T4516]  ? __init_swait_queue_head+0xa5/0x150
[  266.100690][ T4516]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.108750][ T4516]  ? gfs2_recover_set+0x240/0x240
[  266.117594][ T4516]  ? snprintf+0xe5/0x140
[  266.122705][ T4516]  ? __free_pages+0x95/0x1a0
[  266.133899][ T4516]  ? vscnprintf+0x80/0x80
[  266.139748][ T4516]  gfs2_fill_super+0x120f/0x1f00
[  266.146258][ T4516]  ? gfs2_reconfigure+0xd30/0xd30
[  266.155092][ T4516]  ? sb_set_blocksize+0xa5/0xe0
[  266.160189][ T4516]  get_tree_bdev+0x3f1/0x610
[  266.170151][ T4516]  ? gfs2_reconfigure+0xd30/0xd30
[  266.181510][ T4516]  gfs2_get_tree+0x4d/0x1e0
[  266.191078][ T4516]  vfs_get_tree+0x88/0x270
[  266.197354][ T4516]  do_new_mount+0x24a/0xa40
[  266.206670][ T4516]  __se_sys_mount+0x2e3/0x3d0
[  266.212202][ T4516]  ? __x64_sys_mount+0xc0/0xc0
[  266.217629][ T4516]  ? lockdep_hardirqs_on+0x94/0x140
[  266.226689][ T4516]  ? __x64_sys_mount+0x1c/0xc0
[  266.236940][ T4516]  do_syscall_64+0x4c/0xa0
[  266.246254][ T4516]  ? clear_bhb_loop+0x30/0x80
[  266.254544][ T4516]  ? clear_bhb_loop+0x30/0x80
[  266.261254][ T4516]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.272743][ T4516] RIP: 0033:0x7fafc1d15f4a
[  266.280608][ T4516] 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
[  266.314506][ T4516] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.328871][ T4516] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  266.342958][ T4516] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  266.357733][ T4516] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  266.369855][ T4516] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  266.384311][ T4516] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  266.395687][ T4516]  </TASK>
[  266.406781][ T4516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.428054][ T4516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.780746][ T4517] loop1: detected capacity change from 0 to 32768
[  266.848872][ T4517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.860292][ T4517] CPU: 0 PID: 4517 Comm: syz.1.135 Not tainted syzkaller #0
[  266.870099][ T4517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  266.886615][ T4517] Call Trace:
[  266.891168][ T4517]  <TASK>
[  266.894593][ T4517]  dump_stack_lvl+0x188/0x250
[  266.904011][ T4517]  ? show_regs_print_info+0x20/0x20
[  266.910064][ T4517]  ? load_image+0x400/0x400
[  266.919375][ T4517]  sysfs_create_dir_ns+0x26a/0x290
[  266.926209][ T4517]  ? sysfs_warn_dup+0xa0/0xa0
[  266.931611][ T4517]  ? do_raw_spin_unlock+0x11d/0x230
[  266.941896][ T4517]  kobject_add_internal+0x6e0/0xd90
[  266.950158][ T4517]  kobject_init_and_add+0x128/0x190
[  266.957884][ T4517]  ? lockdep_softirqs_off+0x430/0x430
[  266.966706][ T4517]  ? kobject_add+0x230/0x230
[  266.973053][ T4517]  ? __init_swait_queue_head+0xa5/0x150
[  266.981210][ T4517]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.988051][ T4517]  ? gfs2_recover_set+0x240/0x240
[  266.994921][ T4517]  ? snprintf+0xe5/0x140
[  267.002155][ T4517]  ? __free_pages+0x95/0x1a0
[  267.008495][ T4517]  ? vscnprintf+0x80/0x80
[  267.013848][ T4517]  gfs2_fill_super+0x120f/0x1f00
[  267.020620][ T4517]  ? gfs2_reconfigure+0xd30/0xd30
[  267.027922][ T4517]  ? sb_set_blocksize+0xa5/0xe0
[  267.033453][ T4517]  get_tree_bdev+0x3f1/0x610
[  267.041217][ T4517]  ? gfs2_reconfigure+0xd30/0xd30
[  267.048509][ T4517]  gfs2_get_tree+0x4d/0x1e0
[  267.054078][ T4517]  vfs_get_tree+0x88/0x270
[  267.061522][ T4517]  do_new_mount+0x24a/0xa40
[  267.067278][ T4517]  __se_sys_mount+0x2e3/0x3d0
[  267.074384][ T4517]  ? __x64_sys_mount+0xc0/0xc0
[  267.081540][ T4517]  ? lockdep_hardirqs_on+0x94/0x140
[  267.089240][ T4517]  ? __x64_sys_mount+0x1c/0xc0
[  267.096023][ T4517]  do_syscall_64+0x4c/0xa0
[  267.104111][ T4517]  ? clear_bhb_loop+0x30/0x80
[  267.111781][ T4517]  ? clear_bhb_loop+0x30/0x80
[  267.120940][ T4517]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.127788][ T4517] RIP: 0033:0x7fafc1d15f4a
[  267.132610][ T4517] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  267.164533][ T4517] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.178274][ T4517] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  267.191121][ T4517] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  267.206046][ T4517] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  267.217381][ T4517] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  267.227737][ T4517] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  267.240413][ T4517]  </TASK>
[  267.253183][ T4517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.279216][ T4517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.671612][ T4518] loop1: detected capacity change from 0 to 32768
[  267.711219][ T4518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.721965][ T4518] CPU: 0 PID: 4518 Comm: syz.1.136 Not tainted syzkaller #0
[  267.730684][ T4518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  267.745250][ T4518] Call Trace:
[  267.752076][ T4518]  <TASK>
[  267.756845][ T4518]  dump_stack_lvl+0x188/0x250
[  267.765022][ T4518]  ? show_regs_print_info+0x20/0x20
[  267.771476][ T4518]  ? load_image+0x400/0x400
[  267.778719][ T4518]  sysfs_create_dir_ns+0x26a/0x290
[  267.785520][ T4518]  ? sysfs_warn_dup+0xa0/0xa0
[  267.791756][ T4518]  ? do_raw_spin_unlock+0x11d/0x230
[  267.799221][ T4518]  kobject_add_internal+0x6e0/0xd90
[  267.805413][ T4518]  kobject_init_and_add+0x128/0x190
[  267.811645][ T4518]  ? lockdep_softirqs_off+0x430/0x430
[  267.818688][ T4518]  ? kobject_add+0x230/0x230
[  267.825427][ T4518]  ? __init_swait_queue_head+0xa5/0x150
[  267.831328][ T4518]  gfs2_sys_fs_add+0x24f/0x4b0
[  267.839506][ T4518]  ? gfs2_recover_set+0x240/0x240
[  267.846503][ T4518]  ? snprintf+0xe5/0x140
[  267.852627][ T4518]  ? __free_pages+0x95/0x1a0
[  267.861308][ T4518]  ? vscnprintf+0x80/0x80
[  267.868210][ T4518]  gfs2_fill_super+0x120f/0x1f00
[  267.875192][ T4518]  ? gfs2_reconfigure+0xd30/0xd30
[  267.881106][ T4518]  ? sb_set_blocksize+0xa5/0xe0
[  267.888415][ T4518]  get_tree_bdev+0x3f1/0x610
[  267.896579][ T4518]  ? gfs2_reconfigure+0xd30/0xd30
[  267.905387][ T4518]  gfs2_get_tree+0x4d/0x1e0
[  267.910486][ T4518]  vfs_get_tree+0x88/0x270
[  267.918852][ T4518]  do_new_mount+0x24a/0xa40
[  267.925933][ T4518]  __se_sys_mount+0x2e3/0x3d0
[  267.931877][ T4518]  ? __x64_sys_mount+0xc0/0xc0
[  267.939246][ T4518]  ? lockdep_hardirqs_on+0x94/0x140
[  267.946018][ T4518]  ? __x64_sys_mount+0x1c/0xc0
[  267.951440][ T4518]  do_syscall_64+0x4c/0xa0
[  267.958509][ T4518]  ? clear_bhb_loop+0x30/0x80
[  267.965263][ T4518]  ? clear_bhb_loop+0x30/0x80
[  267.970449][ T4518]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.979727][ T4518] RIP: 0033:0x7fafc1d15f4a
[  267.986386][ T4518] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.015133][ T4518] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.025438][ T4518] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  268.039105][ T4518] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  268.049789][ T4518] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  268.065541][ T4518] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  268.077294][ T4518] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  268.087836][ T4518]  </TASK>
[  268.107439][ T1427] ieee802154 phy0 wpan0: encryption failed: -22
[  268.115157][ T1427] ieee802154 phy1 wpan1: encryption failed: -22
[  268.141201][ T4518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.160722][ T4518] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.649637][ T4519] loop1: detected capacity change from 0 to 32768
[  268.706214][ T4519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.721300][ T4519] CPU: 1 PID: 4519 Comm: syz.1.137 Not tainted syzkaller #0
[  268.736862][ T4519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  268.750793][ T4519] Call Trace:
[  268.757014][ T4519]  <TASK>
[  268.761466][ T4519]  dump_stack_lvl+0x188/0x250
[  268.772683][ T4519]  ? show_regs_print_info+0x20/0x20
[  268.781235][ T4519]  ? load_image+0x400/0x400
[  268.788579][ T4519]  sysfs_create_dir_ns+0x26a/0x290
[  268.797920][ T4519]  ? sysfs_warn_dup+0xa0/0xa0
[  268.805356][ T4519]  ? do_raw_spin_unlock+0x11d/0x230
[  268.815930][ T4519]  kobject_add_internal+0x6e0/0xd90
[  268.825472][ T4519]  kobject_init_and_add+0x128/0x190
[  268.836303][ T4519]  ? lockdep_softirqs_off+0x430/0x430
[  268.842032][ T4519]  ? kobject_add+0x230/0x230
[  268.853694][ T4519]  ? __init_swait_queue_head+0xa5/0x150
[  268.860184][ T4519]  gfs2_sys_fs_add+0x24f/0x4b0
[  268.870193][ T4519]  ? gfs2_recover_set+0x240/0x240
[  268.878070][ T4519]  ? snprintf+0xe5/0x140
[  268.883735][ T4519]  ? __free_pages+0x95/0x1a0
[  268.897164][ T4519]  ? vscnprintf+0x80/0x80
[  268.902533][ T4519]  gfs2_fill_super+0x120f/0x1f00
[  268.913459][ T4519]  ? gfs2_reconfigure+0xd30/0xd30
[  268.918825][ T4519]  ? sb_set_blocksize+0xa5/0xe0
[  268.925605][ T4519]  get_tree_bdev+0x3f1/0x610
[  268.935120][ T4519]  ? gfs2_reconfigure+0xd30/0xd30
[  268.942745][ T4519]  gfs2_get_tree+0x4d/0x1e0
[  268.951519][ T4519]  vfs_get_tree+0x88/0x270
[  268.957150][ T4519]  do_new_mount+0x24a/0xa40
[  268.964279][ T4519]  __se_sys_mount+0x2e3/0x3d0
[  268.973771][ T4519]  ? __x64_sys_mount+0xc0/0xc0
[  268.981715][ T4519]  ? lockdep_hardirqs_on+0x94/0x140
[  268.994915][ T4519]  ? __x64_sys_mount+0x1c/0xc0
[  269.000021][ T4519]  do_syscall_64+0x4c/0xa0
[  269.009177][ T4519]  ? clear_bhb_loop+0x30/0x80
[  269.016978][ T4519]  ? clear_bhb_loop+0x30/0x80
[  269.025267][ T4519]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.036094][ T4519] RIP: 0033:0x7fafc1d15f4a
[  269.046318][ T4519] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.076390][ T4519] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.089496][ T4519] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  269.100120][ T4519] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  269.112907][ T4519] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  269.123208][ T4519] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  269.134705][ T4519] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  269.146574][ T4519]  </TASK>
[  269.158447][ T4519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.177442][ T4519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.594564][ T4520] loop1: detected capacity change from 0 to 32768
[  269.652774][ T4520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.678079][ T4520] CPU: 1 PID: 4520 Comm: syz.1.138 Not tainted syzkaller #0
[  269.692661][ T4520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  269.710391][ T4520] Call Trace:
[  269.715276][ T4520]  <TASK>
[  269.720828][ T4520]  dump_stack_lvl+0x188/0x250
[  269.727948][ T4520]  ? show_regs_print_info+0x20/0x20
[  269.736204][ T4520]  ? load_image+0x400/0x400
[  269.744549][ T4520]  sysfs_create_dir_ns+0x26a/0x290
[  269.751142][ T4520]  ? sysfs_warn_dup+0xa0/0xa0
[  269.756594][ T4520]  ? do_raw_spin_unlock+0x11d/0x230
[  269.765526][ T4520]  kobject_add_internal+0x6e0/0xd90
[  269.772072][ T4520]  kobject_init_and_add+0x128/0x190
[  269.778023][ T4520]  ? lockdep_softirqs_off+0x430/0x430
[  269.785073][ T4520]  ? kobject_add+0x230/0x230
[  269.792089][ T4520]  ? __init_swait_queue_head+0xa5/0x150
[  269.800763][ T4520]  gfs2_sys_fs_add+0x24f/0x4b0
[  269.807500][ T4520]  ? gfs2_recover_set+0x240/0x240
[  269.815612][ T4520]  ? snprintf+0xe5/0x140
[  269.823291][ T4520]  ? __free_pages+0x95/0x1a0
[  269.830267][ T4520]  ? vscnprintf+0x80/0x80
[  269.836206][ T4520]  gfs2_fill_super+0x120f/0x1f00
[  269.843346][ T4520]  ? gfs2_reconfigure+0xd30/0xd30
[  269.851214][ T4520]  ? sb_set_blocksize+0xa5/0xe0
[  269.857429][ T4520]  get_tree_bdev+0x3f1/0x610
[  269.866154][ T4520]  ? gfs2_reconfigure+0xd30/0xd30
[  269.873049][ T4520]  gfs2_get_tree+0x4d/0x1e0
[  269.879168][ T4520]  vfs_get_tree+0x88/0x270
[  269.886766][ T4520]  do_new_mount+0x24a/0xa40
[  269.894864][ T4520]  __se_sys_mount+0x2e3/0x3d0
[  269.904206][ T4520]  ? __x64_sys_mount+0xc0/0xc0
[  269.910573][ T4520]  ? lockdep_hardirqs_on+0x94/0x140
[  269.920230][ T4520]  ? __x64_sys_mount+0x1c/0xc0
[  269.925689][ T4520]  do_syscall_64+0x4c/0xa0
[  269.930531][ T4520]  ? clear_bhb_loop+0x30/0x80
[  269.936360][ T4520]  ? clear_bhb_loop+0x30/0x80
[  269.944056][ T4520]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.951770][ T4520] RIP: 0033:0x7fafc1d15f4a
[  269.957143][ T4520] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.985018][ T4520] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.996326][ T4520] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  270.008901][ T4520] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  270.020329][ T4520] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  270.031861][ T4520] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  270.045707][ T4520] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  270.055669][ T4520]  </TASK>
[  270.067884][ T4520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.092275][ T4520] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 12:59:40 executed programs: 124
[  270.504278][ T4521] loop1: detected capacity change from 0 to 32768
[  270.563518][ T4521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.573945][ T4521] CPU: 0 PID: 4521 Comm: syz.1.139 Not tainted syzkaller #0
[  270.582067][ T4521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  270.596946][ T4521] Call Trace:
[  270.603873][ T4521]  <TASK>
[  270.607124][ T4521]  dump_stack_lvl+0x188/0x250
[  270.612868][ T4521]  ? show_regs_print_info+0x20/0x20
[  270.621582][ T4521]  ? load_image+0x400/0x400
[  270.627648][ T4521]  sysfs_create_dir_ns+0x26a/0x290
[  270.634427][ T4521]  ? sysfs_warn_dup+0xa0/0xa0
[  270.643042][ T4521]  ? do_raw_spin_unlock+0x11d/0x230
[  270.650346][ T4521]  kobject_add_internal+0x6e0/0xd90
[  270.657923][ T4521]  kobject_init_and_add+0x128/0x190
[  270.663699][ T4521]  ? lockdep_softirqs_off+0x430/0x430
[  270.672490][ T4521]  ? kobject_add+0x230/0x230
[  270.680538][ T4521]  ? __init_swait_queue_head+0xa5/0x150
[  270.691150][ T4521]  gfs2_sys_fs_add+0x24f/0x4b0
[  270.698829][ T4521]  ? gfs2_recover_set+0x240/0x240
[  270.707824][ T4521]  ? snprintf+0xe5/0x140
[  270.713785][ T4521]  ? __free_pages+0x95/0x1a0
[  270.719111][ T4521]  ? vscnprintf+0x80/0x80
[  270.725453][ T4521]  gfs2_fill_super+0x120f/0x1f00
[  270.731483][ T4521]  ? gfs2_reconfigure+0xd30/0xd30
[  270.739807][ T4521]  ? sb_set_blocksize+0xa5/0xe0
[  270.745798][ T4521]  get_tree_bdev+0x3f1/0x610
[  270.752064][ T4521]  ? gfs2_reconfigure+0xd30/0xd30
[  270.758801][ T4521]  gfs2_get_tree+0x4d/0x1e0
[  270.764745][ T4521]  vfs_get_tree+0x88/0x270
[  270.771202][ T4521]  do_new_mount+0x24a/0xa40
[  270.777540][ T4521]  __se_sys_mount+0x2e3/0x3d0
[  270.783485][ T4521]  ? __x64_sys_mount+0xc0/0xc0
[  270.789746][ T4521]  ? lockdep_hardirqs_on+0x94/0x140
[  270.798244][ T4521]  ? __x64_sys_mount+0x1c/0xc0
[  270.805425][ T4521]  do_syscall_64+0x4c/0xa0
[  270.812735][ T4521]  ? clear_bhb_loop+0x30/0x80
[  270.818048][ T4521]  ? clear_bhb_loop+0x30/0x80
[  270.825375][ T4521]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.832903][ T4521] RIP: 0033:0x7fafc1d15f4a
[  270.839449][ T4521] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.865064][ T4521] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.876951][ T4521] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  270.888547][ T4521] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  270.901833][ T4521] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  270.912336][ T4521] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  270.925752][ T4521] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  270.937536][ T4521]  </TASK>
[  270.949185][ T4521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.974612][ T4521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.318178][ T4522] loop1: detected capacity change from 0 to 32768
[  271.372348][ T4522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.390158][ T4522] CPU: 0 PID: 4522 Comm: syz.1.140 Not tainted syzkaller #0
[  271.401742][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  271.414802][ T4522] Call Trace:
[  271.418989][ T4522]  <TASK>
[  271.424242][ T4522]  dump_stack_lvl+0x188/0x250
[  271.429875][ T4522]  ? show_regs_print_info+0x20/0x20
[  271.436619][ T4522]  ? load_image+0x400/0x400
[  271.443569][ T4522]  sysfs_create_dir_ns+0x26a/0x290
[  271.452779][ T4522]  ? sysfs_warn_dup+0xa0/0xa0
[  271.459612][ T4522]  ? do_raw_spin_unlock+0x11d/0x230
[  271.468292][ T4522]  kobject_add_internal+0x6e0/0xd90
[  271.473944][ T4522]  kobject_init_and_add+0x128/0x190
[  271.480410][ T4522]  ? lockdep_softirqs_off+0x430/0x430
[  271.487237][ T4522]  ? kobject_add+0x230/0x230
[  271.492539][ T4522]  ? __init_swait_queue_head+0xa5/0x150
[  271.500028][ T4522]  gfs2_sys_fs_add+0x24f/0x4b0
[  271.505852][ T4522]  ? gfs2_recover_set+0x240/0x240
[  271.516511][ T4522]  ? snprintf+0xe5/0x140
[  271.521553][ T4522]  ? __free_pages+0x95/0x1a0
[  271.527492][ T4522]  ? vscnprintf+0x80/0x80
[  271.533068][ T4522]  gfs2_fill_super+0x120f/0x1f00
[  271.541096][ T4522]  ? gfs2_reconfigure+0xd30/0xd30
[  271.548622][ T4522]  ? sb_set_blocksize+0xa5/0xe0
[  271.556297][ T4522]  get_tree_bdev+0x3f1/0x610
[  271.562254][ T4522]  ? gfs2_reconfigure+0xd30/0xd30
[  271.568621][ T4522]  gfs2_get_tree+0x4d/0x1e0
[  271.574358][ T4522]  vfs_get_tree+0x88/0x270
[  271.582849][ T4522]  do_new_mount+0x24a/0xa40
[  271.588963][ T4522]  __se_sys_mount+0x2e3/0x3d0
[  271.594981][ T4522]  ? __x64_sys_mount+0xc0/0xc0
[  271.602913][ T4522]  ? lockdep_hardirqs_on+0x94/0x140
[  271.609807][ T4522]  ? __x64_sys_mount+0x1c/0xc0
[  271.615926][ T4522]  do_syscall_64+0x4c/0xa0
[  271.621150][ T4522]  ? clear_bhb_loop+0x30/0x80
[  271.627715][ T4522]  ? clear_bhb_loop+0x30/0x80
[  271.633448][ T4522]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  271.640348][ T4522] RIP: 0033:0x7fafc1d15f4a
[  271.645938][ T4522] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.669787][ T4522] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.682294][ T4522] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  271.690840][ T4522] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  271.700779][ T4522] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  271.712682][ T4522] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  271.722327][ T4522] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  271.731952][ T4522]  </TASK>
[  271.742826][ T4522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.760212][ T4522] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.079435][ T4523] loop1: detected capacity change from 0 to 32768
[  272.138235][ T4523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.146643][ T4523] CPU: 1 PID: 4523 Comm: syz.1.141 Not tainted syzkaller #0
[  272.155369][ T4523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  272.169632][ T4523] Call Trace:
[  272.175548][ T4523]  <TASK>
[  272.179458][ T4523]  dump_stack_lvl+0x188/0x250
[  272.186183][ T4523]  ? show_regs_print_info+0x20/0x20
[  272.195412][ T4523]  ? load_image+0x400/0x400
[  272.202694][ T4523]  sysfs_create_dir_ns+0x26a/0x290
[  272.208554][ T4523]  ? sysfs_warn_dup+0xa0/0xa0
[  272.215193][ T4523]  ? do_raw_spin_unlock+0x11d/0x230
[  272.222034][ T4523]  kobject_add_internal+0x6e0/0xd90
[  272.228945][ T4523]  kobject_init_and_add+0x128/0x190
[  272.235408][ T4523]  ? lockdep_softirqs_off+0x430/0x430
[  272.242799][ T4523]  ? kobject_add+0x230/0x230
[  272.248429][ T4523]  ? __init_swait_queue_head+0xa5/0x150
[  272.255363][ T4523]  gfs2_sys_fs_add+0x24f/0x4b0
[  272.262004][ T4523]  ? gfs2_recover_set+0x240/0x240
[  272.268547][ T4523]  ? snprintf+0xe5/0x140
[  272.273678][ T4523]  ? __free_pages+0x95/0x1a0
[  272.281291][ T4523]  ? vscnprintf+0x80/0x80
[  272.287651][ T4523]  gfs2_fill_super+0x120f/0x1f00
[  272.293281][ T4523]  ? gfs2_reconfigure+0xd30/0xd30
[  272.298580][ T4523]  ? sb_set_blocksize+0xa5/0xe0
[  272.306077][ T4523]  get_tree_bdev+0x3f1/0x610
[  272.311965][ T4523]  ? gfs2_reconfigure+0xd30/0xd30
[  272.322127][ T4523]  gfs2_get_tree+0x4d/0x1e0
[  272.329262][ T4523]  vfs_get_tree+0x88/0x270
[  272.337942][ T4523]  do_new_mount+0x24a/0xa40
[  272.345265][ T4523]  __se_sys_mount+0x2e3/0x3d0
[  272.350982][ T4523]  ? __x64_sys_mount+0xc0/0xc0
[  272.359883][ T4523]  ? lockdep_hardirqs_on+0x94/0x140
[  272.371403][ T4523]  ? __x64_sys_mount+0x1c/0xc0
[  272.380790][ T4523]  do_syscall_64+0x4c/0xa0
[  272.387985][ T4523]  ? clear_bhb_loop+0x30/0x80
[  272.395180][ T4523]  ? clear_bhb_loop+0x30/0x80
[  272.402442][ T4523]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.411889][ T4523] RIP: 0033:0x7fafc1d15f4a
[  272.421540][ T4523] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.450861][ T4523] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.460963][ T4523] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  272.470602][ T4523] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  272.483016][ T4523] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  272.493622][ T4523] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  272.502864][ T4523] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  272.512033][ T4523]  </TASK>
[  272.521590][ T4523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.539945][ T4523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.991382][ T4524] loop1: detected capacity change from 0 to 32768
[  273.051969][ T4524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.060222][ T4524] CPU: 1 PID: 4524 Comm: syz.1.142 Not tainted syzkaller #0
[  273.069038][ T4524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  273.081404][ T4524] Call Trace:
[  273.086943][ T4524]  <TASK>
[  273.090892][ T4524]  dump_stack_lvl+0x188/0x250
[  273.102822][ T4524]  ? show_regs_print_info+0x20/0x20
[  273.111160][ T4524]  ? load_image+0x400/0x400
[  273.118384][ T4524]  sysfs_create_dir_ns+0x26a/0x290
[  273.125795][ T4524]  ? sysfs_warn_dup+0xa0/0xa0
[  273.132067][ T4524]  ? do_raw_spin_unlock+0x11d/0x230
[  273.137861][ T4524]  kobject_add_internal+0x6e0/0xd90
[  273.145262][ T4524]  kobject_init_and_add+0x128/0x190
[  273.153504][ T4524]  ? lockdep_softirqs_off+0x430/0x430
[  273.161969][ T4524]  ? kobject_add+0x230/0x230
[  273.169454][ T4524]  ? __init_swait_queue_head+0xa5/0x150
[  273.176285][ T4524]  gfs2_sys_fs_add+0x24f/0x4b0
[  273.182362][ T4524]  ? gfs2_recover_set+0x240/0x240
[  273.188873][ T4524]  ? snprintf+0xe5/0x140
[  273.195342][ T4524]  ? __free_pages+0x95/0x1a0
[  273.201712][ T4524]  ? vscnprintf+0x80/0x80
[  273.206952][ T4524]  gfs2_fill_super+0x120f/0x1f00
[  273.214174][ T4524]  ? gfs2_reconfigure+0xd30/0xd30
[  273.223319][ T4524]  ? sb_set_blocksize+0xa5/0xe0
[  273.230690][ T4524]  get_tree_bdev+0x3f1/0x610
[  273.236315][ T4524]  ? gfs2_reconfigure+0xd30/0xd30
[  273.245529][ T4524]  gfs2_get_tree+0x4d/0x1e0
[  273.251508][ T4524]  vfs_get_tree+0x88/0x270
[  273.259952][ T4524]  do_new_mount+0x24a/0xa40
[  273.265092][ T4524]  __se_sys_mount+0x2e3/0x3d0
[  273.271088][ T4524]  ? __x64_sys_mount+0xc0/0xc0
[  273.278253][ T4524]  ? lockdep_hardirqs_on+0x94/0x140
[  273.284494][ T4524]  ? __x64_sys_mount+0x1c/0xc0
[  273.290507][ T4524]  do_syscall_64+0x4c/0xa0
[  273.298226][ T4524]  ? clear_bhb_loop+0x30/0x80
[  273.304879][ T4524]  ? clear_bhb_loop+0x30/0x80
[  273.313740][ T4524]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  273.322559][ T4524] RIP: 0033:0x7fafc1d15f4a
[  273.328833][ T4524] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  273.356674][ T4524] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.372397][ T4524] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  273.388500][ T4524] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  273.400678][ T4524] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  273.412290][ T4524] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  273.425960][ T4524] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  273.441099][ T4524]  </TASK>
[  273.451504][ T4524] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.473656][ T4524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.940759][ T4525] loop1: detected capacity change from 0 to 32768
[  273.999371][ T4525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.010737][ T4525] CPU: 0 PID: 4525 Comm: syz.1.143 Not tainted syzkaller #0
[  274.022111][ T4525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  274.037477][ T4525] Call Trace:
[  274.042881][ T4525]  <TASK>
[  274.048582][ T4525]  dump_stack_lvl+0x188/0x250
[  274.054057][ T4525]  ? show_regs_print_info+0x20/0x20
[  274.060428][ T4525]  ? load_image+0x400/0x400
[  274.065819][ T4525]  sysfs_create_dir_ns+0x26a/0x290
[  274.071534][ T4525]  ? sysfs_warn_dup+0xa0/0xa0
[  274.078150][ T4525]  ? do_raw_spin_unlock+0x11d/0x230
[  274.085121][ T4525]  kobject_add_internal+0x6e0/0xd90
[  274.091591][ T4525]  kobject_init_and_add+0x128/0x190
[  274.098797][ T4525]  ? lockdep_softirqs_off+0x430/0x430
[  274.108414][ T4525]  ? kobject_add+0x230/0x230
[  274.114485][ T4525]  ? __init_swait_queue_head+0xa5/0x150
[  274.121522][ T4525]  gfs2_sys_fs_add+0x24f/0x4b0
[  274.126844][ T4525]  ? gfs2_recover_set+0x240/0x240
[  274.132309][ T4525]  ? snprintf+0xe5/0x140
[  274.138421][ T4525]  ? __free_pages+0x95/0x1a0
[  274.145721][ T4525]  ? vscnprintf+0x80/0x80
[  274.151639][ T4525]  gfs2_fill_super+0x120f/0x1f00
[  274.157673][ T4525]  ? gfs2_reconfigure+0xd30/0xd30
[  274.164356][ T4525]  ? sb_set_blocksize+0xa5/0xe0
[  274.170654][ T4525]  get_tree_bdev+0x3f1/0x610
[  274.177074][ T4525]  ? gfs2_reconfigure+0xd30/0xd30
[  274.184215][ T4525]  gfs2_get_tree+0x4d/0x1e0
[  274.189857][ T4525]  vfs_get_tree+0x88/0x270
[  274.195766][ T4525]  do_new_mount+0x24a/0xa40
[  274.202260][ T4525]  __se_sys_mount+0x2e3/0x3d0
[  274.208208][ T4525]  ? __x64_sys_mount+0xc0/0xc0
[  274.214792][ T4525]  ? lockdep_hardirqs_on+0x94/0x140
[  274.222611][ T4525]  ? __x64_sys_mount+0x1c/0xc0
[  274.228285][ T4525]  do_syscall_64+0x4c/0xa0
[  274.234157][ T4525]  ? clear_bhb_loop+0x30/0x80
[  274.243510][ T4525]  ? clear_bhb_loop+0x30/0x80
[  274.249514][ T4525]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  274.257462][ T4525] RIP: 0033:0x7fafc1d15f4a
[  274.265625][ T4525] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.293272][ T4525] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.303972][ T4525] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  274.313494][ T4525] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  274.326750][ T4525] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  274.338456][ T4525] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  274.348384][ T4525] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  274.359027][ T4525]  </TASK>
[  274.372044][ T4525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.395095][ T4525] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.840268][ T4526] loop1: detected capacity change from 0 to 32768
[  274.906132][ T4526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.920808][ T4526] CPU: 0 PID: 4526 Comm: syz.1.144 Not tainted syzkaller #0
[  274.933065][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  274.950741][ T4526] Call Trace:
[  274.954809][ T4526]  <TASK>
[  274.960597][ T4526]  dump_stack_lvl+0x188/0x250
[  274.969208][ T4526]  ? show_regs_print_info+0x20/0x20
[  274.976880][ T4526]  ? load_image+0x400/0x400
[  274.987242][ T4526]  sysfs_create_dir_ns+0x26a/0x290
[  274.994220][ T4526]  ? sysfs_warn_dup+0xa0/0xa0
[  275.001678][ T4526]  ? do_raw_spin_unlock+0x11d/0x230
[  275.008493][ T4526]  kobject_add_internal+0x6e0/0xd90
[  275.015006][ T4526]  kobject_init_and_add+0x128/0x190
[  275.021780][ T4526]  ? lockdep_softirqs_off+0x430/0x430
[  275.030293][ T4526]  ? kobject_add+0x230/0x230
[  275.037996][ T4526]  ? __init_swait_queue_head+0xa5/0x150
[  275.046287][ T4526]  gfs2_sys_fs_add+0x24f/0x4b0
[  275.052405][ T4526]  ? gfs2_recover_set+0x240/0x240
[  275.061109][ T4526]  ? snprintf+0xe5/0x140
[  275.066406][ T4526]  ? __free_pages+0x95/0x1a0
[  275.075457][ T4526]  ? vscnprintf+0x80/0x80
[  275.083900][ T4526]  gfs2_fill_super+0x120f/0x1f00
[  275.090760][ T4526]  ? gfs2_reconfigure+0xd30/0xd30
[  275.102603][ T4526]  ? sb_set_blocksize+0xa5/0xe0
[  275.109747][ T4526]  get_tree_bdev+0x3f1/0x610
[  275.115380][ T4526]  ? gfs2_reconfigure+0xd30/0xd30
[  275.122208][ T4526]  gfs2_get_tree+0x4d/0x1e0
[  275.128718][ T4526]  vfs_get_tree+0x88/0x270
[  275.133644][ T4526]  do_new_mount+0x24a/0xa40
[  275.140488][ T4526]  __se_sys_mount+0x2e3/0x3d0
[  275.148157][ T4526]  ? __x64_sys_mount+0xc0/0xc0
[  275.153552][ T4526]  ? lockdep_hardirqs_on+0x94/0x140
[  275.161663][ T4526]  ? __x64_sys_mount+0x1c/0xc0
[  275.167732][ T4526]  do_syscall_64+0x4c/0xa0
[  275.175818][ T4526]  ? clear_bhb_loop+0x30/0x80
[  275.181544][ T4526]  ? clear_bhb_loop+0x30/0x80
[  275.191554][ T4526]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  275.200873][ T4526] RIP: 0033:0x7fafc1d15f4a
[  275.207260][ T4526] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  275.233455][ T4526] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.246964][ T4526] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  275.256450][ T4526] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  275.268391][ T4526] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  275.281971][ T4526] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  275.297317][ T4526] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  275.307400][ T4526]  </TASK>
[  275.312232][ T4526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.333041][ T4526] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 12:59:45 executed programs: 130
[  275.787725][ T4527] loop1: detected capacity change from 0 to 32768
[  275.805675][ T4527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.817972][ T4527] CPU: 1 PID: 4527 Comm: syz.1.145 Not tainted syzkaller #0
[  275.831335][ T4527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  275.845939][ T4527] Call Trace:
[  275.851086][ T4527]  <TASK>
[  275.854967][ T4527]  dump_stack_lvl+0x188/0x250
[  275.864222][ T4527]  ? show_regs_print_info+0x20/0x20
[  275.871272][ T4527]  ? load_image+0x400/0x400
[  275.876345][ T4527]  sysfs_create_dir_ns+0x26a/0x290
[  275.884274][ T4527]  ? sysfs_warn_dup+0xa0/0xa0
[  275.889618][ T4527]  ? do_raw_spin_unlock+0x11d/0x230
[  275.897215][ T4527]  kobject_add_internal+0x6e0/0xd90
[  275.906067][ T4527]  kobject_init_and_add+0x128/0x190
[  275.912680][ T4527]  ? lockdep_softirqs_off+0x430/0x430
[  275.919815][ T4527]  ? kobject_add+0x230/0x230
[  275.926645][ T4527]  ? __init_swait_queue_head+0xa5/0x150
[  275.933824][ T4527]  gfs2_sys_fs_add+0x24f/0x4b0
[  275.940748][ T4527]  ? gfs2_recover_set+0x240/0x240
[  275.946063][ T4527]  ? snprintf+0xe5/0x140
[  275.952842][ T4527]  ? __free_pages+0x95/0x1a0
[  275.959106][ T4527]  ? vscnprintf+0x80/0x80
[  275.966995][ T4527]  gfs2_fill_super+0x120f/0x1f00
[  275.973024][ T4527]  ? gfs2_reconfigure+0xd30/0xd30
[  275.982750][ T4527]  ? sb_set_blocksize+0xa5/0xe0
[  275.988646][ T4527]  get_tree_bdev+0x3f1/0x610
[  275.994353][ T4527]  ? gfs2_reconfigure+0xd30/0xd30
[  276.000770][ T4527]  gfs2_get_tree+0x4d/0x1e0
[  276.005888][ T4527]  vfs_get_tree+0x88/0x270
[  276.011780][ T4527]  do_new_mount+0x24a/0xa40
[  276.017565][ T4527]  __se_sys_mount+0x2e3/0x3d0
[  276.024480][ T4527]  ? __x64_sys_mount+0xc0/0xc0
[  276.031020][ T4527]  ? lockdep_hardirqs_on+0x94/0x140
[  276.039647][ T4527]  ? __x64_sys_mount+0x1c/0xc0
[  276.045023][ T4527]  do_syscall_64+0x4c/0xa0
[  276.050676][ T4527]  ? clear_bhb_loop+0x30/0x80
[  276.057948][ T4527]  ? clear_bhb_loop+0x30/0x80
[  276.065473][ T4527]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  276.075979][ T4527] RIP: 0033:0x7fafc1d15f4a
[  276.082159][ T4527] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  276.112144][ T4527] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.125087][ T4527] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  276.137471][ T4527] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  276.147179][ T4527] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  276.156045][ T4527] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  276.167594][ T4527] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  276.180941][ T4527]  </TASK>
[  276.190127][ T4527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.212698][ T4527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.740549][ T4528] loop1: detected capacity change from 0 to 32768
[  276.796460][ T4528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.808451][ T4528] CPU: 1 PID: 4528 Comm: syz.1.146 Not tainted syzkaller #0
[  276.820454][ T4528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  276.835464][ T4528] Call Trace:
[  276.839086][ T4528]  <TASK>
[  276.842601][ T4528]  dump_stack_lvl+0x188/0x250
[  276.848782][ T4528]  ? show_regs_print_info+0x20/0x20
[  276.855174][ T4528]  ? load_image+0x400/0x400
[  276.861032][ T4528]  sysfs_create_dir_ns+0x26a/0x290
[  276.868228][ T4528]  ? sysfs_warn_dup+0xa0/0xa0
[  276.875224][ T4528]  ? do_raw_spin_unlock+0x11d/0x230
[  276.884327][ T4528]  kobject_add_internal+0x6e0/0xd90
[  276.890114][ T4528]  kobject_init_and_add+0x128/0x190
[  276.899492][ T4528]  ? lockdep_softirqs_off+0x430/0x430
[  276.908135][ T4528]  ? kobject_add+0x230/0x230
[  276.916545][ T4528]  ? __init_swait_queue_head+0xa5/0x150
[  276.924029][ T4528]  gfs2_sys_fs_add+0x24f/0x4b0
[  276.930427][ T4528]  ? gfs2_recover_set+0x240/0x240
[  276.941192][ T4528]  ? snprintf+0xe5/0x140
[  276.947681][ T4528]  ? __free_pages+0x95/0x1a0
[  276.952959][ T4528]  ? vscnprintf+0x80/0x80
[  276.959252][ T4528]  gfs2_fill_super+0x120f/0x1f00
[  276.966765][ T4528]  ? gfs2_reconfigure+0xd30/0xd30
[  276.974865][ T4528]  ? sb_set_blocksize+0xa5/0xe0
[  276.983733][ T4528]  get_tree_bdev+0x3f1/0x610
[  276.990828][ T4528]  ? gfs2_reconfigure+0xd30/0xd30
[  276.996980][ T4528]  gfs2_get_tree+0x4d/0x1e0
[  277.004959][ T4528]  vfs_get_tree+0x88/0x270
[  277.009969][ T4528]  do_new_mount+0x24a/0xa40
[  277.016795][ T4528]  __se_sys_mount+0x2e3/0x3d0
[  277.022438][ T4528]  ? __x64_sys_mount+0xc0/0xc0
[  277.029148][ T4528]  ? lockdep_hardirqs_on+0x94/0x140
[  277.037002][ T4528]  ? __x64_sys_mount+0x1c/0xc0
[  277.046380][ T4528]  do_syscall_64+0x4c/0xa0
[  277.052330][ T4528]  ? clear_bhb_loop+0x30/0x80
[  277.058736][ T4528]  ? clear_bhb_loop+0x30/0x80
[  277.065581][ T4528]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  277.072399][ T4528] RIP: 0033:0x7fafc1d15f4a
[  277.079439][ T4528] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  277.108358][ T4528] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.121466][ T4528] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  277.132020][ T4528] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  277.141895][ T4528] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  277.157548][ T4528] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  277.168634][ T4528] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  277.179467][ T4528]  </TASK>
[  277.190805][ T4528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.220668][ T4528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.730300][ T4529] loop1: detected capacity change from 0 to 32768
[  277.779302][ T4529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.798440][ T4529] CPU: 1 PID: 4529 Comm: syz.1.147 Not tainted syzkaller #0
[  277.808445][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  277.826505][ T4529] Call Trace:
[  277.830861][ T4529]  <TASK>
[  277.834231][ T4529]  dump_stack_lvl+0x188/0x250
[  277.839696][ T4529]  ? show_regs_print_info+0x20/0x20
[  277.847368][ T4529]  ? load_image+0x400/0x400
[  277.852114][ T4529]  sysfs_create_dir_ns+0x26a/0x290
[  277.860998][ T4529]  ? sysfs_warn_dup+0xa0/0xa0
[  277.867400][ T4529]  ? do_raw_spin_unlock+0x11d/0x230
[  277.874929][ T4529]  kobject_add_internal+0x6e0/0xd90
[  277.881104][ T4529]  kobject_init_and_add+0x128/0x190
[  277.887740][ T4529]  ? lockdep_softirqs_off+0x430/0x430
[  277.894694][ T4529]  ? kobject_add+0x230/0x230
[  277.902860][ T4529]  ? __init_swait_queue_head+0xa5/0x150
[  277.911438][ T4529]  gfs2_sys_fs_add+0x24f/0x4b0
[  277.917050][ T4529]  ? gfs2_recover_set+0x240/0x240
[  277.922788][ T4529]  ? snprintf+0xe5/0x140
[  277.927640][ T4529]  ? __free_pages+0x95/0x1a0
[  277.935587][ T4529]  ? vscnprintf+0x80/0x80
[  277.944070][ T4529]  gfs2_fill_super+0x120f/0x1f00
[  277.949654][ T4529]  ? gfs2_reconfigure+0xd30/0xd30
[  277.955718][ T4529]  ? sb_set_blocksize+0xa5/0xe0
[  277.963946][ T4529]  get_tree_bdev+0x3f1/0x610
[  277.969912][ T4529]  ? gfs2_reconfigure+0xd30/0xd30
[  277.977822][ T4529]  gfs2_get_tree+0x4d/0x1e0
[  277.985726][ T4529]  vfs_get_tree+0x88/0x270
[  277.991691][ T4529]  do_new_mount+0x24a/0xa40
[  278.000232][ T4529]  __se_sys_mount+0x2e3/0x3d0
[  278.006401][ T4529]  ? __x64_sys_mount+0xc0/0xc0
[  278.013476][ T4529]  ? lockdep_hardirqs_on+0x94/0x140
[  278.023709][ T4529]  ? __x64_sys_mount+0x1c/0xc0
[  278.031251][ T4529]  do_syscall_64+0x4c/0xa0
[  278.036457][ T4529]  ? clear_bhb_loop+0x30/0x80
[  278.043942][ T4529]  ? clear_bhb_loop+0x30/0x80
[  278.050320][ T4529]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  278.058134][ T4529] RIP: 0033:0x7fafc1d15f4a
[  278.063614][ T4529] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  278.093340][ T4529] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.107137][ T4529] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  278.119787][ T4529] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  278.131084][ T4529] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  278.144099][ T4529] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  278.155181][ T4529] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  278.165890][ T4529]  </TASK>
[  278.177412][ T4529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.200152][ T4529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.674922][ T4530] loop1: detected capacity change from 0 to 32768
[  278.751027][ T4530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.760845][ T4530] CPU: 1 PID: 4530 Comm: syz.1.148 Not tainted syzkaller #0
[  278.770981][ T4530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.783794][ T4530] Call Trace:
[  278.789337][ T4530]  <TASK>
[  278.793927][ T4530]  dump_stack_lvl+0x188/0x250
[  278.800681][ T4530]  ? show_regs_print_info+0x20/0x20
[  278.810069][ T4530]  ? load_image+0x400/0x400
[  278.816631][ T4530]  sysfs_create_dir_ns+0x26a/0x290
[  278.826013][ T4530]  ? sysfs_warn_dup+0xa0/0xa0
[  278.831845][ T4530]  ? do_raw_spin_unlock+0x11d/0x230
[  278.841383][ T4530]  kobject_add_internal+0x6e0/0xd90
[  278.847368][ T4530]  kobject_init_and_add+0x128/0x190
[  278.853524][ T4530]  ? lockdep_softirqs_off+0x430/0x430
[  278.860862][ T4530]  ? kobject_add+0x230/0x230
[  278.866976][ T4530]  ? __init_swait_queue_head+0xa5/0x150
[  278.873042][ T4530]  gfs2_sys_fs_add+0x24f/0x4b0
[  278.879947][ T4530]  ? gfs2_recover_set+0x240/0x240
[  278.886448][ T4530]  ? snprintf+0xe5/0x140
[  278.893063][ T4530]  ? __free_pages+0x95/0x1a0
[  278.900009][ T4530]  ? vscnprintf+0x80/0x80
[  278.907295][ T4530]  gfs2_fill_super+0x120f/0x1f00
[  278.914309][ T4530]  ? gfs2_reconfigure+0xd30/0xd30
[  278.924677][ T4530]  ? sb_set_blocksize+0xa5/0xe0
[  278.934107][ T4530]  get_tree_bdev+0x3f1/0x610
[  278.939332][ T4530]  ? gfs2_reconfigure+0xd30/0xd30
[  278.946136][ T4530]  gfs2_get_tree+0x4d/0x1e0
[  278.951963][ T4530]  vfs_get_tree+0x88/0x270
[  278.957039][ T4530]  do_new_mount+0x24a/0xa40
[  278.965666][ T4530]  __se_sys_mount+0x2e3/0x3d0
[  278.971918][ T4530]  ? __x64_sys_mount+0xc0/0xc0
[  278.979561][ T4530]  ? lockdep_hardirqs_on+0x94/0x140
[  278.988202][ T4530]  ? __x64_sys_mount+0x1c/0xc0
[  278.994511][ T4530]  do_syscall_64+0x4c/0xa0
[  279.000384][ T4530]  ? clear_bhb_loop+0x30/0x80
[  279.007338][ T4530]  ? clear_bhb_loop+0x30/0x80
[  279.015254][ T4530]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  279.026955][ T4530] RIP: 0033:0x7fafc1d15f4a
[  279.032604][ T4530] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  279.063163][ T4530] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.077619][ T4530] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  279.088798][ T4530] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  279.099116][ T4530] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  279.111414][ T4530] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  279.126389][ T4530] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  279.135843][ T4530]  </TASK>
[  279.148754][ T4530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.176283][ T4530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.622335][ T4531] loop1: detected capacity change from 0 to 32768
[  279.682719][ T4531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.702621][ T4531] CPU: 0 PID: 4531 Comm: syz.1.149 Not tainted syzkaller #0
[  279.713103][ T4531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  279.726034][ T4531] Call Trace:
[  279.730218][ T4531]  <TASK>
[  279.733634][ T4531]  dump_stack_lvl+0x188/0x250
[  279.740057][ T4531]  ? show_regs_print_info+0x20/0x20
[  279.747413][ T4531]  ? load_image+0x400/0x400
[  279.752701][ T4531]  sysfs_create_dir_ns+0x26a/0x290
[  279.761384][ T4531]  ? sysfs_warn_dup+0xa0/0xa0
[  279.768103][ T4531]  ? do_raw_spin_unlock+0x11d/0x230
[  279.773995][ T4531]  kobject_add_internal+0x6e0/0xd90
[  279.782277][ T4531]  kobject_init_and_add+0x128/0x190
[  279.789122][ T4531]  ? lockdep_softirqs_off+0x430/0x430
[  279.797984][ T4531]  ? kobject_add+0x230/0x230
[  279.807586][ T4531]  ? __init_swait_queue_head+0xa5/0x150
[  279.816356][ T4531]  gfs2_sys_fs_add+0x24f/0x4b0
[  279.822324][ T4531]  ? gfs2_recover_set+0x240/0x240
[  279.828530][ T4531]  ? snprintf+0xe5/0x140
[  279.833676][ T4531]  ? __free_pages+0x95/0x1a0
[  279.840864][ T4531]  ? vscnprintf+0x80/0x80
[  279.846519][ T4531]  gfs2_fill_super+0x120f/0x1f00
[  279.854271][ T4531]  ? gfs2_reconfigure+0xd30/0xd30
[  279.862946][ T4531]  ? sb_set_blocksize+0xa5/0xe0
[  279.868924][ T4531]  get_tree_bdev+0x3f1/0x610
[  279.876139][ T4531]  ? gfs2_reconfigure+0xd30/0xd30
[  279.885885][ T4531]  gfs2_get_tree+0x4d/0x1e0
[  279.891446][ T4531]  vfs_get_tree+0x88/0x270
[  279.897485][ T4531]  do_new_mount+0x24a/0xa40
[  279.904518][ T4531]  __se_sys_mount+0x2e3/0x3d0
[  279.909801][ T4531]  ? __x64_sys_mount+0xc0/0xc0
[  279.918421][ T4531]  ? lockdep_hardirqs_on+0x94/0x140
[  279.927923][ T4531]  ? __x64_sys_mount+0x1c/0xc0
[  279.934161][ T4531]  do_syscall_64+0x4c/0xa0
[  279.942151][ T4531]  ? clear_bhb_loop+0x30/0x80
[  279.947505][ T4531]  ? clear_bhb_loop+0x30/0x80
[  279.955637][ T4531]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  279.965166][ T4531] RIP: 0033:0x7fafc1d15f4a
[  279.970573][ T4531] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  280.002759][ T4531] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.012723][ T4531] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  280.026367][ T4531] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  280.040748][ T4531] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  280.052172][ T4531] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  280.066173][ T4531] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  280.078289][ T4531]  </TASK>
[  280.087225][ T4531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.105706][ T4531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.246246][ T1324] Bluetooth: hci1: command 0x0406 tx timeout
[  280.577149][ T4532] loop1: detected capacity change from 0 to 32768
[  280.639552][ T4532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.648622][ T4532] CPU: 1 PID: 4532 Comm: syz.1.150 Not tainted syzkaller #0
[  280.658984][ T4532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.671182][ T4532] Call Trace:
[  280.676607][ T4532]  <TASK>
[  280.683086][ T4532]  dump_stack_lvl+0x188/0x250
[  280.688366][ T4532]  ? show_regs_print_info+0x20/0x20
[  280.697609][ T4532]  ? load_image+0x400/0x400
[  280.705571][ T4532]  sysfs_create_dir_ns+0x26a/0x290
[  280.712531][ T4532]  ? sysfs_warn_dup+0xa0/0xa0
[  280.721972][ T4532]  ? do_raw_spin_unlock+0x11d/0x230
[  280.728279][ T4532]  kobject_add_internal+0x6e0/0xd90
[  280.736543][ T4532]  kobject_init_and_add+0x128/0x190
[  280.745374][ T4532]  ? lockdep_softirqs_off+0x430/0x430
[  280.751904][ T4532]  ? kobject_add+0x230/0x230
[  280.760100][ T4532]  ? __init_swait_queue_head+0xa5/0x150
[  280.773405][ T4532]  gfs2_sys_fs_add+0x24f/0x4b0
[  280.781961][ T4532]  ? gfs2_recover_set+0x240/0x240
[  280.789761][ T4532]  ? snprintf+0xe5/0x140
[  280.796728][ T4532]  ? __free_pages+0x95/0x1a0
[  280.806230][ T4532]  ? vscnprintf+0x80/0x80
[  280.811964][ T4532]  gfs2_fill_super+0x120f/0x1f00
[  280.822441][ T4532]  ? gfs2_reconfigure+0xd30/0xd30
[  280.829483][ T4532]  ? sb_set_blocksize+0xa5/0xe0
[  280.835403][ T4532]  get_tree_bdev+0x3f1/0x610
[  280.845096][ T4532]  ? gfs2_reconfigure+0xd30/0xd30
[  280.851494][ T4532]  gfs2_get_tree+0x4d/0x1e0
[  280.858456][ T4532]  vfs_get_tree+0x88/0x270
[  280.865840][ T4532]  do_new_mount+0x24a/0xa40
[  280.871581][ T4532]  __se_sys_mount+0x2e3/0x3d0
[  280.879532][ T4532]  ? __x64_sys_mount+0xc0/0xc0
[  280.888060][ T4532]  ? lockdep_hardirqs_on+0x94/0x140
[  280.894768][ T4532]  ? __x64_sys_mount+0x1c/0xc0
[  280.900833][ T4532]  do_syscall_64+0x4c/0xa0
[  280.906757][ T4532]  ? clear_bhb_loop+0x30/0x80
[  280.912040][ T4532]  ? clear_bhb_loop+0x30/0x80
[  280.919738][ T4532]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  280.926964][ T4532] RIP: 0033:0x7fafc1d15f4a
[  280.932947][ T4532] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  280.958061][ T4532] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.969969][ T4532] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  280.982777][ T4532] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  280.992912][ T4532] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  281.004191][ T4532] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  281.014650][ T4532] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  281.026935][ T4532]  </TASK>
[  281.035832][ T4532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.055744][ T4532] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 12:59:50 executed programs: 136
[  281.415005][ T4533] loop1: detected capacity change from 0 to 32768
[  281.498090][ T4533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.508414][ T4533] CPU: 0 PID: 4533 Comm: syz.1.151 Not tainted syzkaller #0
[  281.517289][ T4533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.531716][ T4533] Call Trace:
[  281.535417][ T4533]  <TASK>
[  281.538716][ T4533]  dump_stack_lvl+0x188/0x250
[  281.546022][ T4533]  ? show_regs_print_info+0x20/0x20
[  281.553133][ T4533]  ? load_image+0x400/0x400
[  281.563824][ T4533]  sysfs_create_dir_ns+0x26a/0x290
[  281.573603][ T4533]  ? sysfs_warn_dup+0xa0/0xa0
[  281.580299][ T4533]  ? do_raw_spin_unlock+0x11d/0x230
[  281.588515][ T4533]  kobject_add_internal+0x6e0/0xd90
[  281.595247][ T4533]  kobject_init_and_add+0x128/0x190
[  281.602477][ T4533]  ? lockdep_softirqs_off+0x430/0x430
[  281.609265][ T4533]  ? kobject_add+0x230/0x230
[  281.616752][ T4533]  ? __init_swait_queue_head+0xa5/0x150
[  281.625972][ T4533]  gfs2_sys_fs_add+0x24f/0x4b0
[  281.634544][ T4533]  ? gfs2_recover_set+0x240/0x240
[  281.646328][ T4533]  ? snprintf+0xe5/0x140
[  281.656965][ T4533]  ? __free_pages+0x95/0x1a0
[  281.662926][ T4533]  ? vscnprintf+0x80/0x80
[  281.668524][ T4533]  gfs2_fill_super+0x120f/0x1f00
[  281.679727][ T4533]  ? gfs2_reconfigure+0xd30/0xd30
[  281.687780][ T4533]  ? sb_set_blocksize+0xa5/0xe0
[  281.699741][ T4533]  get_tree_bdev+0x3f1/0x610
[  281.706417][ T4533]  ? gfs2_reconfigure+0xd30/0xd30
[  281.712735][ T4533]  gfs2_get_tree+0x4d/0x1e0
[  281.718576][ T4533]  vfs_get_tree+0x88/0x270
[  281.725441][ T4533]  do_new_mount+0x24a/0xa40
[  281.732666][ T4533]  __se_sys_mount+0x2e3/0x3d0
[  281.738192][ T4533]  ? __x64_sys_mount+0xc0/0xc0
[  281.745928][ T4533]  ? lockdep_hardirqs_on+0x94/0x140
[  281.752358][ T4533]  ? __x64_sys_mount+0x1c/0xc0
[  281.760963][ T4533]  do_syscall_64+0x4c/0xa0
[  281.768193][ T4533]  ? clear_bhb_loop+0x30/0x80
[  281.774151][ T4533]  ? clear_bhb_loop+0x30/0x80
[  281.782825][ T4533]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  281.789994][ T4533] RIP: 0033:0x7fafc1d15f4a
[  281.798049][ T4533] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  281.828145][ T4533] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.840946][ T4533] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  281.851052][ T4533] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  281.861735][ T4533] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  281.873992][ T4533] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  281.887067][ T4533] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  281.897298][ T4533]  </TASK>
[  281.922235][ T4533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.940739][ T4533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.479008][ T4534] loop1: detected capacity change from 0 to 32768
[  282.551713][ T4534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.564057][ T4534] CPU: 0 PID: 4534 Comm: syz.1.152 Not tainted syzkaller #0
[  282.577407][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.595493][ T4534] Call Trace:
[  282.603385][ T4534]  <TASK>
[  282.611116][ T4534]  dump_stack_lvl+0x188/0x250
[  282.618865][ T4534]  ? show_regs_print_info+0x20/0x20
[  282.626847][ T4534]  ? load_image+0x400/0x400
[  282.633329][ T4534]  sysfs_create_dir_ns+0x26a/0x290
[  282.640780][ T4534]  ? sysfs_warn_dup+0xa0/0xa0
[  282.649233][ T4534]  ? do_raw_spin_unlock+0x11d/0x230
[  282.656518][ T4534]  kobject_add_internal+0x6e0/0xd90
[  282.663412][ T4534]  kobject_init_and_add+0x128/0x190
[  282.674117][ T4534]  ? lockdep_softirqs_off+0x430/0x430
[  282.681511][ T4534]  ? kobject_add+0x230/0x230
[  282.688959][ T4534]  ? __init_swait_queue_head+0xa5/0x150
[  282.696605][ T4534]  gfs2_sys_fs_add+0x24f/0x4b0
[  282.705197][ T4534]  ? gfs2_recover_set+0x240/0x240
[  282.715699][ T4534]  ? snprintf+0xe5/0x140
[  282.722856][ T4534]  ? __free_pages+0x95/0x1a0
[  282.728770][ T4534]  ? vscnprintf+0x80/0x80
[  282.738499][ T4534]  gfs2_fill_super+0x120f/0x1f00
[  282.746772][ T4534]  ? gfs2_reconfigure+0xd30/0xd30
[  282.756800][ T4534]  ? sb_set_blocksize+0xa5/0xe0
[  282.762796][ T4534]  get_tree_bdev+0x3f1/0x610
[  282.774788][ T4534]  ? gfs2_reconfigure+0xd30/0xd30
[  282.780319][ T4534]  gfs2_get_tree+0x4d/0x1e0
[  282.793980][ T4534]  vfs_get_tree+0x88/0x270
[  282.802739][ T4534]  do_new_mount+0x24a/0xa40
[  282.812154][ T4534]  __se_sys_mount+0x2e3/0x3d0
[  282.818337][ T4534]  ? __x64_sys_mount+0xc0/0xc0
[  282.825536][ T4534]  ? lockdep_hardirqs_on+0x94/0x140
[  282.840077][ T4534]  ? __x64_sys_mount+0x1c/0xc0
[  282.851714][ T4534]  do_syscall_64+0x4c/0xa0
[  282.859687][ T4534]  ? clear_bhb_loop+0x30/0x80
[  282.869775][ T4534]  ? clear_bhb_loop+0x30/0x80
[  282.879347][ T4534]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  282.891268][ T4534] RIP: 0033:0x7fafc1d15f4a
[  282.899226][ T4534] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  282.935499][ T4534] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.946416][ T4534] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  282.962246][ T4534] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  282.978039][ T4534] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  282.994901][ T4534] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  283.005532][ T4534] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  283.020140][ T4534]  </TASK>
[  283.046294][ T4534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.065611][ T4534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.574002][ T4535] loop1: detected capacity change from 0 to 32768
[  283.596684][ T4535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.609907][ T4535] CPU: 0 PID: 4535 Comm: syz.1.153 Not tainted syzkaller #0
[  283.621733][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.634988][ T4535] Call Trace:
[  283.638972][ T4535]  <TASK>
[  283.642648][ T4535]  dump_stack_lvl+0x188/0x250
[  283.648711][ T4535]  ? show_regs_print_info+0x20/0x20
[  283.657303][ T4535]  ? load_image+0x400/0x400
[  283.662316][ T4535]  sysfs_create_dir_ns+0x26a/0x290
[  283.669811][ T4535]  ? sysfs_warn_dup+0xa0/0xa0
[  283.676619][ T4535]  ? do_raw_spin_unlock+0x11d/0x230
[  283.684516][ T4535]  kobject_add_internal+0x6e0/0xd90
[  283.692154][ T4535]  kobject_init_and_add+0x128/0x190
[  283.703488][ T4535]  ? lockdep_softirqs_off+0x430/0x430
[  283.711887][ T4535]  ? kobject_add+0x230/0x230
[  283.717630][ T4535]  ? __init_swait_queue_head+0xa5/0x150
[  283.724484][ T4535]  gfs2_sys_fs_add+0x24f/0x4b0
[  283.730295][ T4535]  ? gfs2_recover_set+0x240/0x240
[  283.737274][ T4535]  ? snprintf+0xe5/0x140
[  283.743634][ T4535]  ? __free_pages+0x95/0x1a0
[  283.750297][ T4535]  ? vscnprintf+0x80/0x80
[  283.756805][ T4535]  gfs2_fill_super+0x120f/0x1f00
[  283.762328][ T4535]  ? gfs2_reconfigure+0xd30/0xd30
[  283.770584][ T4535]  ? sb_set_blocksize+0xa5/0xe0
[  283.777677][ T4535]  get_tree_bdev+0x3f1/0x610
[  283.783713][ T4535]  ? gfs2_reconfigure+0xd30/0xd30
[  283.790451][ T4535]  gfs2_get_tree+0x4d/0x1e0
[  283.798120][ T4535]  vfs_get_tree+0x88/0x270
[  283.805334][ T4535]  do_new_mount+0x24a/0xa40
[  283.811536][ T4535]  __se_sys_mount+0x2e3/0x3d0
[  283.818715][ T4535]  ? __x64_sys_mount+0xc0/0xc0
[  283.824919][ T4535]  ? lockdep_hardirqs_on+0x94/0x140
[  283.832831][ T4535]  ? __x64_sys_mount+0x1c/0xc0
[  283.839552][ T4535]  do_syscall_64+0x4c/0xa0
[  283.845943][ T4535]  ? clear_bhb_loop+0x30/0x80
[  283.851470][ T4535]  ? clear_bhb_loop+0x30/0x80
[  283.861187][ T4535]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  283.873624][ T4535] RIP: 0033:0x7fafc1d15f4a
[  283.880932][ T4535] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  283.913591][ T4535] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.927952][ T4535] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  283.939793][ T4535] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  283.950910][ T4535] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  283.960604][ T4535] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  283.972457][ T4535] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  283.985567][ T4535]  </TASK>
[  283.991321][ T4535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.007499][ T4535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.582508][ T4536] loop1: detected capacity change from 0 to 32768
[  284.641340][ T4536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.652344][ T4536] CPU: 1 PID: 4536 Comm: syz.1.154 Not tainted syzkaller #0
[  284.662502][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.675523][ T4536] Call Trace:
[  284.680464][ T4536]  <TASK>
[  284.684238][ T4536]  dump_stack_lvl+0x188/0x250
[  284.692122][ T4536]  ? show_regs_print_info+0x20/0x20
[  284.698233][ T4536]  ? load_image+0x400/0x400
[  284.705385][ T4536]  sysfs_create_dir_ns+0x26a/0x290
[  284.713879][ T4536]  ? sysfs_warn_dup+0xa0/0xa0
[  284.719410][ T4536]  ? do_raw_spin_unlock+0x11d/0x230
[  284.728164][ T4536]  kobject_add_internal+0x6e0/0xd90
[  284.737704][ T4536]  kobject_init_and_add+0x128/0x190
[  284.744117][ T4536]  ? lockdep_softirqs_off+0x430/0x430
[  284.753047][ T4536]  ? kobject_add+0x230/0x230
[  284.758812][ T4536]  ? __init_swait_queue_head+0xa5/0x150
[  284.766630][ T4536]  gfs2_sys_fs_add+0x24f/0x4b0
[  284.772845][ T4536]  ? gfs2_recover_set+0x240/0x240
[  284.778790][ T4536]  ? snprintf+0xe5/0x140
[  284.785317][ T4536]  ? __free_pages+0x95/0x1a0
[  284.790709][ T4536]  ? vscnprintf+0x80/0x80
[  284.795913][ T4536]  gfs2_fill_super+0x120f/0x1f00
[  284.801546][ T4536]  ? gfs2_reconfigure+0xd30/0xd30
[  284.810991][ T4536]  ? sb_set_blocksize+0xa5/0xe0
[  284.817623][ T4536]  get_tree_bdev+0x3f1/0x610
[  284.825272][ T4536]  ? gfs2_reconfigure+0xd30/0xd30
[  284.835407][ T4536]  gfs2_get_tree+0x4d/0x1e0
[  284.841090][ T4536]  vfs_get_tree+0x88/0x270
[  284.850222][ T4536]  do_new_mount+0x24a/0xa40
[  284.858770][ T4536]  __se_sys_mount+0x2e3/0x3d0
[  284.865612][ T4536]  ? __x64_sys_mount+0xc0/0xc0
[  284.872607][ T4536]  ? lockdep_hardirqs_on+0x94/0x140
[  284.880185][ T4536]  ? __x64_sys_mount+0x1c/0xc0
[  284.890880][ T4536]  do_syscall_64+0x4c/0xa0
[  284.897773][ T4536]  ? clear_bhb_loop+0x30/0x80
[  284.902765][ T4536]  ? clear_bhb_loop+0x30/0x80
[  284.913841][ T4536]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  284.921058][ T4536] RIP: 0033:0x7fafc1d15f4a
[  284.929171][ T4536] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  284.955967][ T4536] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.966992][ T4536] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  284.982013][ T4536] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  284.997018][ T4536] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  285.010061][ T4536] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  285.021256][ T4536] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  285.033595][ T4536]  </TASK>
[  285.041282][ T4536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.061644][ T4536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.495824][ T4537] loop1: detected capacity change from 0 to 32768
[  285.559017][ T4537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.572481][ T4537] CPU: 0 PID: 4537 Comm: syz.1.155 Not tainted syzkaller #0
[  285.583852][ T4537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.600697][ T4537] Call Trace:
[  285.605145][ T4537]  <TASK>
[  285.608348][ T4537]  dump_stack_lvl+0x188/0x250
[  285.614155][ T4537]  ? show_regs_print_info+0x20/0x20
[  285.620111][ T4537]  ? load_image+0x400/0x400
[  285.626433][ T4537]  sysfs_create_dir_ns+0x26a/0x290
[  285.633574][ T4537]  ? sysfs_warn_dup+0xa0/0xa0
[  285.639808][ T4537]  ? do_raw_spin_unlock+0x11d/0x230
[  285.646891][ T4537]  kobject_add_internal+0x6e0/0xd90
[  285.652940][ T4537]  kobject_init_and_add+0x128/0x190
[  285.659216][ T4537]  ? lockdep_softirqs_off+0x430/0x430
[  285.665379][ T4537]  ? kobject_add+0x230/0x230
[  285.670786][ T4537]  ? __init_swait_queue_head+0xa5/0x150
[  285.676769][ T4537]  gfs2_sys_fs_add+0x24f/0x4b0
[  285.685031][ T4537]  ? gfs2_recover_set+0x240/0x240
[  285.690479][ T4537]  ? snprintf+0xe5/0x140
[  285.698478][ T4537]  ? __free_pages+0x95/0x1a0
[  285.707156][ T4537]  ? vscnprintf+0x80/0x80
[  285.711830][ T4537]  gfs2_fill_super+0x120f/0x1f00
[  285.719911][ T4537]  ? gfs2_reconfigure+0xd30/0xd30
[  285.727513][ T4537]  ? sb_set_blocksize+0xa5/0xe0
[  285.733776][ T4537]  get_tree_bdev+0x3f1/0x610
[  285.739927][ T4537]  ? gfs2_reconfigure+0xd30/0xd30
[  285.747736][ T4537]  gfs2_get_tree+0x4d/0x1e0
[  285.754909][ T4537]  vfs_get_tree+0x88/0x270
[  285.761617][ T4537]  do_new_mount+0x24a/0xa40
[  285.768695][ T4537]  __se_sys_mount+0x2e3/0x3d0
[  285.775408][ T4537]  ? __x64_sys_mount+0xc0/0xc0
[  285.782064][ T4537]  ? lockdep_hardirqs_on+0x94/0x140
[  285.787854][ T4537]  ? __x64_sys_mount+0x1c/0xc0
[  285.793222][ T4537]  do_syscall_64+0x4c/0xa0
[  285.799480][ T4537]  ? clear_bhb_loop+0x30/0x80
[  285.805229][ T4537]  ? clear_bhb_loop+0x30/0x80
[  285.812090][ T4537]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  285.821869][ T4537] RIP: 0033:0x7fafc1d15f4a
[  285.827897][ T4537] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  285.856207][ T4537] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.866885][ T4537] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  285.876903][ T4537] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  285.888846][ T4537] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  285.899120][ T4537] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  285.910982][ T4537] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  285.924304][ T4537]  </TASK>
[  285.930202][ T4537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.949960][ T4537] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 12:59:55 executed programs: 141
[  286.448403][ T4538] loop1: detected capacity change from 0 to 32768
[  286.511052][ T4538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.522016][ T4538] CPU: 0 PID: 4538 Comm: syz.1.156 Not tainted syzkaller #0
[  286.535066][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  286.552229][ T4538] Call Trace:
[  286.556302][ T4538]  <TASK>
[  286.559846][ T4538]  dump_stack_lvl+0x188/0x250
[  286.566712][ T4538]  ? show_regs_print_info+0x20/0x20
[  286.575661][ T4538]  ? load_image+0x400/0x400
[  286.580885][ T4538]  sysfs_create_dir_ns+0x26a/0x290
[  286.587144][ T4538]  ? sysfs_warn_dup+0xa0/0xa0
[  286.593986][ T4538]  ? do_raw_spin_unlock+0x11d/0x230
[  286.601049][ T4538]  kobject_add_internal+0x6e0/0xd90
[  286.609538][ T4538]  kobject_init_and_add+0x128/0x190
[  286.617606][ T4538]  ? lockdep_softirqs_off+0x430/0x430
[  286.624248][ T4538]  ? kobject_add+0x230/0x230
[  286.632213][ T4538]  ? __init_swait_queue_head+0xa5/0x150
[  286.639494][ T4538]  gfs2_sys_fs_add+0x24f/0x4b0
[  286.646387][ T4538]  ? gfs2_recover_set+0x240/0x240
[  286.654043][ T4538]  ? snprintf+0xe5/0x140
[  286.659621][ T4538]  ? __free_pages+0x95/0x1a0
[  286.667075][ T4538]  ? vscnprintf+0x80/0x80
[  286.673915][ T4538]  gfs2_fill_super+0x120f/0x1f00
[  286.679814][ T4538]  ? gfs2_reconfigure+0xd30/0xd30
[  286.687735][ T4538]  ? sb_set_blocksize+0xa5/0xe0
[  286.694327][ T4538]  get_tree_bdev+0x3f1/0x610
[  286.700052][ T4538]  ? gfs2_reconfigure+0xd30/0xd30
[  286.706848][ T4538]  gfs2_get_tree+0x4d/0x1e0
[  286.712220][ T4538]  vfs_get_tree+0x88/0x270
[  286.717206][ T4538]  do_new_mount+0x24a/0xa40
[  286.723240][ T4538]  __se_sys_mount+0x2e3/0x3d0
[  286.729313][ T4538]  ? __x64_sys_mount+0xc0/0xc0
[  286.735403][ T4538]  ? lockdep_hardirqs_on+0x94/0x140
[  286.743153][ T4538]  ? __x64_sys_mount+0x1c/0xc0
[  286.748627][ T4538]  do_syscall_64+0x4c/0xa0
[  286.754156][ T4538]  ? clear_bhb_loop+0x30/0x80
[  286.760249][ T4538]  ? clear_bhb_loop+0x30/0x80
[  286.766049][ T4538]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  286.772829][ T4538] RIP: 0033:0x7fafc1d15f4a
[  286.777979][ T4538] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  286.804171][ T4538] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.816523][ T4538] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  286.826950][ T4538] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  286.836422][ T4538] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  286.849211][ T4538] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  286.860369][ T4538] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  286.870932][ T4538]  </TASK>
[  286.882088][ T4538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.906804][ T4538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.242860][ T4539] loop1: detected capacity change from 0 to 32768
[  287.349755][ T4539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.359693][ T4539] CPU: 0 PID: 4539 Comm: syz.1.157 Not tainted syzkaller #0
[  287.369859][ T4539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.382330][ T4539] Call Trace:
[  287.386821][ T4539]  <TASK>
[  287.390976][ T4539]  dump_stack_lvl+0x188/0x250
[  287.396245][ T4539]  ? show_regs_print_info+0x20/0x20
[  287.402982][ T4539]  ? load_image+0x400/0x400
[  287.409487][ T4539]  sysfs_create_dir_ns+0x26a/0x290
[  287.415371][ T4539]  ? sysfs_warn_dup+0xa0/0xa0
[  287.420714][ T4539]  ? do_raw_spin_unlock+0x11d/0x230
[  287.427720][ T4539]  kobject_add_internal+0x6e0/0xd90
[  287.433030][ T4539]  kobject_init_and_add+0x128/0x190
[  287.439274][ T4539]  ? lockdep_softirqs_off+0x430/0x430
[  287.445856][ T4539]  ? kobject_add+0x230/0x230
[  287.454013][ T4539]  ? __init_swait_queue_head+0xa5/0x150
[  287.460494][ T4539]  gfs2_sys_fs_add+0x24f/0x4b0
[  287.465685][ T4539]  ? gfs2_recover_set+0x240/0x240
[  287.472341][ T4539]  ? snprintf+0xe5/0x140
[  287.477805][ T4539]  ? __free_pages+0x95/0x1a0
[  287.482846][ T4539]  ? vscnprintf+0x80/0x80
[  287.488917][ T4539]  gfs2_fill_super+0x120f/0x1f00
[  287.495476][ T4539]  ? gfs2_reconfigure+0xd30/0xd30
[  287.501993][ T4539]  ? sb_set_blocksize+0xa5/0xe0
[  287.508034][ T4539]  get_tree_bdev+0x3f1/0x610
[  287.514285][ T4539]  ? gfs2_reconfigure+0xd30/0xd30
[  287.521745][ T4539]  gfs2_get_tree+0x4d/0x1e0
[  287.527459][ T4539]  vfs_get_tree+0x88/0x270
[  287.534788][ T4539]  do_new_mount+0x24a/0xa40
[  287.540441][ T4539]  __se_sys_mount+0x2e3/0x3d0
[  287.548516][ T4539]  ? __x64_sys_mount+0xc0/0xc0
[  287.555364][ T4539]  ? lockdep_hardirqs_on+0x94/0x140
[  287.561631][ T4539]  ? __x64_sys_mount+0x1c/0xc0
[  287.569501][ T4539]  do_syscall_64+0x4c/0xa0
[  287.577045][ T4539]  ? clear_bhb_loop+0x30/0x80
[  287.583512][ T4539]  ? clear_bhb_loop+0x30/0x80
[  287.589581][ T4539]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  287.597487][ T4539] RIP: 0033:0x7fafc1d15f4a
[  287.603741][ T4539] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  287.628972][ T4539] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.639320][ T4539] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  287.647957][ T4539] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  287.657991][ T4539] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  287.669030][ T4539] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  287.681704][ T4539] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  287.695419][ T4539]  </TASK>
[  287.704117][ T4539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.722348][ T4539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.148288][ T4540] loop1: detected capacity change from 0 to 32768
[  288.170874][ T4540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.181233][ T4540] CPU: 0 PID: 4540 Comm: syz.1.158 Not tainted syzkaller #0
[  288.190294][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  288.203408][ T4540] Call Trace:
[  288.207794][ T4540]  <TASK>
[  288.211034][ T4540]  dump_stack_lvl+0x188/0x250
[  288.216906][ T4540]  ? show_regs_print_info+0x20/0x20
[  288.224114][ T4540]  ? load_image+0x400/0x400
[  288.230375][ T4540]  sysfs_create_dir_ns+0x26a/0x290
[  288.236079][ T4540]  ? sysfs_warn_dup+0xa0/0xa0
[  288.241208][ T4540]  ? do_raw_spin_unlock+0x11d/0x230
[  288.248414][ T4540]  kobject_add_internal+0x6e0/0xd90
[  288.256293][ T4540]  kobject_init_and_add+0x128/0x190
[  288.263631][ T4540]  ? lockdep_softirqs_off+0x430/0x430
[  288.270588][ T4540]  ? kobject_add+0x230/0x230
[  288.277759][ T4540]  ? __init_swait_queue_head+0xa5/0x150
[  288.286698][ T4540]  gfs2_sys_fs_add+0x24f/0x4b0
[  288.294205][ T4540]  ? gfs2_recover_set+0x240/0x240
[  288.300478][ T4540]  ? snprintf+0xe5/0x140
[  288.305657][ T4540]  ? __free_pages+0x95/0x1a0
[  288.311380][ T4540]  ? vscnprintf+0x80/0x80
[  288.318615][ T4540]  gfs2_fill_super+0x120f/0x1f00
[  288.324829][ T4540]  ? gfs2_reconfigure+0xd30/0xd30
[  288.332306][ T4540]  ? sb_set_blocksize+0xa5/0xe0
[  288.338550][ T4540]  get_tree_bdev+0x3f1/0x610
[  288.344646][ T4540]  ? gfs2_reconfigure+0xd30/0xd30
[  288.352845][ T4540]  gfs2_get_tree+0x4d/0x1e0
[  288.361385][ T4540]  vfs_get_tree+0x88/0x270
[  288.366621][ T4540]  do_new_mount+0x24a/0xa40
[  288.373046][ T4540]  __se_sys_mount+0x2e3/0x3d0
[  288.380190][ T4540]  ? __x64_sys_mount+0xc0/0xc0
[  288.386140][ T4540]  ? lockdep_hardirqs_on+0x94/0x140
[  288.392924][ T4540]  ? __x64_sys_mount+0x1c/0xc0
[  288.399540][ T4540]  do_syscall_64+0x4c/0xa0
[  288.406786][ T4540]  ? clear_bhb_loop+0x30/0x80
[  288.412858][ T4540]  ? clear_bhb_loop+0x30/0x80
[  288.416775][   T27] INFO: task syz-executor:4306 blocked for more than 143 seconds.
[  288.419169][ T4540]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  288.436997][ T4540] RIP: 0033:0x7fafc1d15f4a
[  288.442909][ T4540] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  288.467429][ T4540] RSP: 002b:00007ffc20624058 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.469081][   T27]       Not tainted syzkaller #0
[  288.478157][ T4540] RAX: ffffffffffffffda RBX: 00007ffc206240e0 RCX: 00007fafc1d15f4a
[  288.478186][ T4540] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc206240a0
[  288.478201][ T4540] RBP: 00002000000002c0 R08: 00007ffc206240e0 R09: 0000000000008c9b
[  288.478216][ T4540] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  288.478228][ T4540] R13: 00007ffc206240a0 R14: 0000000000012760 R15: 0000200000000400
[  288.478260][ T4540]  </TASK>
[  288.540781][ T4540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.586089][ T4540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.666548][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  288.696101][   T27] task:syz-executor    state:D stack:21808 pid: 4306 ppid:     1 flags:0x00004004
[  288.715991][   T27] Call Trace:
[  288.720244][   T27]  <TASK>
[  288.724725][   T27]  __schedule+0x11ef/0x43c0
[  288.745951][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  288.752086][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  288.775972][   T27]  ? _raw_spin_unlock+0x40/0x40
[  288.781973][   T27]  ? rcu_is_watching+0x11/0xa0
[  288.795982][   T27]  ? release_firmware_map_entry+0x190/0x190
[  288.802521][   T27]  schedule+0x11b/0x1e0
[  288.816023][   T27]  schedule_timeout+0x184/0x2d0
[  288.822215][   T27]  ? console_conditional_schedule+0x40/0x40
[  288.850933][   T27]  ? update_process_times+0x200/0x200
[  288.865968][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  288.876538][   T27]  gfs2_gl_hash_clear+0x1ab/0x2f0
[  288.893663][   T27]  ? thaw_glock+0x150/0x150
[  288.905948][   T27]  ? gfs2_jindex_free+0x3a3/0x410
[  288.914133][   T27]  ? init_wait_entry+0xd0/0xd0
[  288.938264][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  288.943156][   T27]  gfs2_put_super+0x769/0x7d0
[  288.965950][   T27]  ? gfs2_evict_inode+0x1240/0x1240
[  288.983126][   T27]  generic_shutdown_super+0x130/0x300
[  288.989092][   T27]  kill_block_super+0x7c/0xe0
[  289.005189][   T27]  deactivate_locked_super+0x93/0xf0
[  289.016301][   T27]  cleanup_mnt+0x42d/0x4e0
[  289.022834][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  289.039530][   T27]  task_work_run+0x125/0x1a0
[  289.059895][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  289.078323][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  289.110884][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  289.131206][   T27]  do_syscall_64+0x58/0xa0
[  289.137190][   T27]  ? clear_bhb_loop+0x30/0x80
[  289.154037][   T27]  ? clear_bhb_loop+0x30/0x80
[  289.160066][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  289.189783][   T27] RIP: 0033:0x7f375dedaf17
[  289.198584][   T27] RSP: 002b:00007fffe1f834c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  289.211729][   T27] RAX: 0000000000000000 RBX: 00007f375df4371f RCX: 00007f375dedaf17
[  289.227430][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffe1f83580
[  289.240767][   T27] RBP: 00007fffe1f83580 R08: 00007fffe1f84580 R09: 00000000ffffffff
[  289.258662][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffe1f84610
[  289.268625][   T27] R13: 00007f375df4371f R14: 0000000000022a75 R15: 00007fffe1f84650
[  289.287039][   T27]  </TASK>
[  289.293555][   T27] 
[  289.293555][   T27] Showing all locks held in the system:
[  289.337073][   T27] 2 locks held by kworker/0:1/13:
[  289.355934][   T27]  #0: ffff888016c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x761/0x1010
[  289.382188][ T4541] loop1: detected capacity change from 0 to 32768
[  289.391728][   T27]  #1: ffffc90000d27d00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010
[  289.429574][   T27] 1 lock held by khungtaskd/27:
[  289.446146][   T27]  #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  289.470636][   T27] 3 locks held by kworker/1:2/1107:
[  289.486489][   T27]  #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[  289.506097][   T27]  #1: ffff8880b9127888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x4fe/0x7d0
[  289.524372][   T27]  #2: ffff8880b9127888 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: enqueue_task+0x26d/0x2b0
[  289.542156][   T27] 3 locks held by kworker/u4:4/1172:
[  289.550176][   T27]  #0: ffff8880b913a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[  289.571390][   T27]  #1: ffffc900047dfd00 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010
[  289.590644][   T27]  #2: ffff8880b91280d8 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x123/0x270
[  289.607623][   T27] 2 locks held by kworker/0:2/1324:
[  289.614498][   T27] 1 lock held by udevd/3561:
[  289.622023][   T27]  #0: ffff88801ff6e118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[  289.636605][   T27] 2 locks held by getty/3944:
[  289.644796][   T27]  #0: ffff88802bbe7098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  289.659372][   T27]  #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  289.677500][   T27] 2 locks held by kworker/0:4/4253:
[  289.684463][   T27]  #0: ffff888016c72138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x761/0x1010
[  289.700606][   T27]  #1: ffffc90002f6fd00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010
[  289.715449][   T27] 1 lock held by syz-executor/4306:
[  289.724263][   T27]  #0: ffff88807ae7a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  289.740484][   T27] 2 locks held by syz.1.159/4541:
[  289.748172][   T27]  #0: ffff88801ff6e118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[  289.760554][   T27]  #1: ffff8880200d2468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  289.772080][   T27] 
[  289.775178][   T27] =============================================
[  289.775178][   T27] 
[  289.790560][   T27] NMI backtrace for cpu 0
[  289.796526][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  289.806793][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.824459][   T27] Call Trace:
[  289.828757][   T27]  <TASK>
[  289.833122][   T27]  dump_stack_lvl+0x188/0x250
[  289.840188][   T27]  ? show_regs_print_info+0x20/0x20
[  289.848877][   T27]  ? load_image+0x400/0x400
[  289.855279][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  289.861998][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  289.868826][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  289.874172][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  289.880391][   T27]  ? _printk+0xda/0x130
[  289.884925][   T27]  ? load_image+0x400/0x400
[  289.890372][   T27]  ? load_image+0x400/0x400
[  289.896170][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  289.903502][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  289.912067][   T27]  watchdog+0xe0f/0xe50
[  289.917438][   T27]  kthread+0x436/0x520
[  289.923257][   T27]  ? hungtask_pm_notify+0x40/0x40
[  289.929930][   T27]  ? kthread_blkcg+0xd0/0xd0
[  289.935280][   T27]  ret_from_fork+0x1f/0x30
[  289.941704][   T27]  </TASK>
[  289.948197][   T27] Sending NMI from CPU 0 to CPUs 1:
[  289.956597][    C1] NMI backtrace for cpu 1
[  289.956611][    C1] CPU: 1 PID: 3550 Comm: klogd Not tainted syzkaller #0
[  289.956628][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.956647][    C1] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x7a/0x80
[  289.956676][    C1] Code: c1 e0 05 4d 8d 50 28 4d 39 ca 77 1e 4a c7 44 02 08 07 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a <c3> 0f 1f 44 00 00 48 8b 4e 08 48 83 c1 f8 48 c1 c1 3d 48 83 f9 08
[  289.956692][    C1] RSP: 0018:ffffc90002e0fcb8 EFLAGS: 00000293
[  289.956707][    C1] RAX: ffffffff83e2a264 RBX: ffffc90002e0fdf0 RCX: ffff88807d338000
[  289.956721][    C1] RDX: 0000000000000000 RSI: 00007ffc279fa977 RDI: 00007ffffffff000
[  289.956733][    C1] RBP: 0000000000000001 R08: ffffc90002e0fdf0 R09: ffffc90002e0fe60
[  289.956746][    C1] R10: dffffc0000000000 R11: fffff520005c1fce R12: 00007ffc279fa930
[  289.956759][    C1] R13: 00007ffffffff000 R14: 00007ffc279fa977 R15: 0000000000000047
[  289.956770][    C1] FS:  00007f18e0b7dc80(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[  289.956785][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.956797][    C1] CR2: 00007fa285b9c000 CR3: 000000002522c000 CR4: 00000000003506e0
[  289.956813][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  289.956823][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  289.956833][    C1] Call Trace:
[  289.956839][    C1]  <TASK>
[  289.956845][    C1]  import_single_range+0xc4/0x2a0
[  289.956870][    C1]  __sys_sendto+0x13c/0x620
[  289.956891][    C1]  ? __ia32_sys_getpeername+0x80/0x80
[  289.956915][    C1]  ? __lock_acquire+0x7d10/0x7d10
[  289.956943][    C1]  ? lock_chain_count+0x20/0x20
[  289.956960][    C1]  ? vtime_user_exit+0x2c8/0x3e0
[  289.956982][    C1]  __x64_sys_sendto+0xda/0xf0
[  289.957002][    C1]  do_syscall_64+0x4c/0xa0
[  289.957018][    C1]  ? clear_bhb_loop+0x30/0x80
[  289.957034][    C1]  ? clear_bhb_loop+0x30/0x80
[  289.957050][    C1]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  289.957066][    C1] RIP: 0033:0x7f18e0ccd407
[  289.957080][    C1] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  289.957094][    C1] RSP: 002b:00007ffc279fa7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  289.957110][    C1] RAX: ffffffffffffffda RBX: 00007f18e0b7dc80 RCX: 00007f18e0ccd407
[  289.957122][    C1] RDX: 0000000000000047 RSI: 00007ffc279fa930 RDI: 0000000000000003
[  289.957133][    C1] RBP: 00007ffc279fad60 R08: 0000000000000000 R09: 0000000000000000
[  289.957144][    C1] R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffc279fad78
[  289.957155][    C1] R13: 00007ffc279fa930 R14: 000000000000002c R15: 00007ffc279fa930
[  289.957175][    C1]  </TASK>
[  289.972396][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  289.972417][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  289.972441][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.972455][   T27] Call Trace:
[  289.972463][   T27]  <TASK>
[  289.972473][   T27]  dump_stack_lvl+0x188/0x250
[  289.972509][   T27]  ? show_regs_print_info+0x20/0x20
[  289.972534][   T27]  ? load_image+0x400/0x400
[  289.972571][   T27]  panic+0x2e5/0x810
[  289.972594][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  289.972622][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  289.972645][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  289.972678][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  289.972710][   T27]  watchdog+0xe4e/0xe50
[  289.972741][   T27]  kthread+0x436/0x520
[  289.972761][   T27]  ? hungtask_pm_notify+0x40/0x40
[  289.972781][   T27]  ? kthread_blkcg+0xd0/0xd0
[  289.972804][   T27]  ret_from_fork+0x1f/0x30
[  289.972839][   T27]  </TASK>
[  289.973143][   T27] Kernel Offset: disabled
[  290.552089][   T27] Rebooting in 86400 seconds..