e8 ff ff ff f7 d8 64 89 01 48
[  196.966730][ T5165] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  196.975354][ T5165] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  196.983730][ T5165] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  196.991824][ T5165] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  196.999795][ T5165] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  197.008727][ T5165] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  197.016812][ T5165]  </TASK>
[  197.021384][ T5165] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  197.035152][ T5165] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  197.329467][ T5167] loop1: detected capacity change from 0 to 32768
[  197.377471][ T5167] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  197.386104][ T5167] CPU: 0 PID: 5167 Comm: syz.1.134 Not tainted syzkaller #0
[  197.393523][ T5167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  197.403591][ T5167] Call Trace:
[  197.406875][ T5167]  <TASK>
[  197.409810][ T5167]  dump_stack_lvl+0x188/0x250
[  197.414505][ T5167]  ? show_regs_print_info+0x20/0x20
[  197.420064][ T5167]  ? load_image+0x410/0x410
[  197.424595][ T5167]  sysfs_create_dir_ns+0x26a/0x290
[  197.429720][ T5167]  ? sysfs_warn_dup+0xa0/0xa0
[  197.434418][ T5167]  ? do_raw_spin_unlock+0x11d/0x230
[  197.439813][ T5167]  kobject_add_internal+0x5ba/0xcd0
[  197.445052][ T5167]  kobject_init_and_add+0x128/0x190
[  197.450554][ T5167]  ? lockdep_softirqs_off+0x430/0x430
[  197.456062][ T5167]  ? kobject_add+0x230/0x230
[  197.460663][ T5167]  ? __init_swait_queue_head+0xa4/0x140
[  197.466823][ T5167]  gfs2_sys_fs_add+0x24f/0x4b0
[  197.471608][ T5167]  ? gfs2_recover_set+0x240/0x240
[  197.476717][ T5167]  ? snprintf+0xe5/0x140
[  197.481332][ T5167]  ? __free_pages+0x95/0x1a0
[  197.485995][ T5167]  ? vscnprintf+0x80/0x80
[  197.490343][ T5167]  gfs2_fill_super+0x11ed/0x1ea0
[  197.495412][ T5167]  ? gfs2_reconfigure+0xd80/0xd80
[  197.500525][ T5167]  ? sb_set_blocksize+0xa5/0xe0
[  197.505637][ T5167]  get_tree_bdev+0x3e6/0x610
[  197.510244][ T5167]  ? gfs2_reconfigure+0xd80/0xd80
[  197.516051][ T5167]  gfs2_get_tree+0x4d/0x1e0
[  197.520557][ T5167]  vfs_get_tree+0x88/0x270
[  197.524981][ T5167]  do_new_mount+0x247/0xa40
[  197.529707][ T5167]  __se_sys_mount+0x2e3/0x3d0
[  197.534526][ T5167]  ? __x64_sys_mount+0xc0/0xc0
[  197.540123][ T5167]  ? lockdep_hardirqs_on+0x94/0x140
[  197.545488][ T5167]  ? __x64_sys_mount+0x1c/0xc0
[  197.550235][ T5167]  do_syscall_64+0x4c/0xa0
[  197.554759][ T5167]  ? clear_bhb_loop+0x30/0x80
[  197.559592][ T5167]  ? clear_bhb_loop+0x30/0x80
[  197.564256][ T5167]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  197.570166][ T5167] RIP: 0033:0x7faf8f4bf60a
[  197.574725][ T5167] 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
[  197.594594][ T5167] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  197.603003][ T5167] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  197.611071][ T5167] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  197.619629][ T5167] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  197.628623][ T5167] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  197.638578][ T5167] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  197.647589][ T5167]  </TASK>
[  197.656048][ T5167] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  197.670031][ T5167] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  197.983611][ T5169] loop1: detected capacity change from 0 to 32768
[  198.037677][ T5169] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  198.045233][ T5169] CPU: 1 PID: 5169 Comm: syz.1.135 Not tainted syzkaller #0
[  198.052641][ T5169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  198.063153][ T5169] Call Trace:
[  198.066620][ T5169]  <TASK>
[  198.069574][ T5169]  dump_stack_lvl+0x188/0x250
[  198.074556][ T5169]  ? show_regs_print_info+0x20/0x20
[  198.079877][ T5169]  ? load_image+0x410/0x410
[  198.084617][ T5169]  sysfs_create_dir_ns+0x26a/0x290
[  198.089765][ T5169]  ? sysfs_warn_dup+0xa0/0xa0
[  198.094467][ T5169]  ? do_raw_spin_unlock+0x11d/0x230
[  198.099713][ T5169]  kobject_add_internal+0x5ba/0xcd0
[  198.105059][ T5169]  kobject_init_and_add+0x128/0x190
[  198.110290][ T5169]  ? lockdep_softirqs_off+0x430/0x430
[  198.115825][ T5169]  ? kobject_add+0x230/0x230
[  198.120448][ T5169]  ? __init_swait_queue_head+0xa4/0x140
[  198.126441][ T5169]  gfs2_sys_fs_add+0x24f/0x4b0
[  198.131398][ T5169]  ? gfs2_recover_set+0x240/0x240
[  198.136543][ T5169]  ? snprintf+0xe5/0x140
[  198.140787][ T5169]  ? __free_pages+0x95/0x1a0
[  198.145388][ T5169]  ? vscnprintf+0x80/0x80
[  198.149734][ T5169]  gfs2_fill_super+0x11ed/0x1ea0
[  198.154700][ T5169]  ? gfs2_reconfigure+0xd80/0xd80
[  198.160118][ T5169]  ? sb_set_blocksize+0xa5/0xe0
[  198.164986][ T5169]  get_tree_bdev+0x3e6/0x610
[  198.169669][ T5169]  ? gfs2_reconfigure+0xd80/0xd80
[  198.174770][ T5169]  gfs2_get_tree+0x4d/0x1e0
[  198.179361][ T5169]  vfs_get_tree+0x88/0x270
[  198.183770][ T5169]  do_new_mount+0x247/0xa40
[  198.188306][ T5169]  __se_sys_mount+0x2e3/0x3d0
[  198.192992][ T5169]  ? __x64_sys_mount+0xc0/0xc0
[  198.197755][ T5169]  ? lockdep_hardirqs_on+0x94/0x140
[  198.202959][ T5169]  ? __x64_sys_mount+0x1c/0xc0
[  198.207742][ T5169]  do_syscall_64+0x4c/0xa0
[  198.212290][ T5169]  ? clear_bhb_loop+0x30/0x80
[  198.216970][ T5169]  ? clear_bhb_loop+0x30/0x80
[  198.221746][ T5169]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  198.227936][ T5169] RIP: 0033:0x7faf8f4bf60a
[  198.232722][ T5169] 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
[  198.252424][ T5169] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  198.260933][ T5169] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  198.268989][ T5169] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  198.276985][ T5169] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  198.284991][ T5169] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  198.293091][ T5169] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  198.301696][ T5169]  </TASK>
[  198.306580][ T5169] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  198.319907][ T5169] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  198.625891][ T5171] loop1: detected capacity change from 0 to 32768
[  198.681788][ T5171] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  198.696981][ T5171] CPU: 1 PID: 5171 Comm: syz.1.136 Not tainted syzkaller #0
[  198.704449][ T5171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  198.714522][ T5171] Call Trace:
[  198.717846][ T5171]  <TASK>
[  198.720902][ T5171]  dump_stack_lvl+0x188/0x250
[  198.725704][ T5171]  ? show_regs_print_info+0x20/0x20
[  198.731100][ T5171]  ? load_image+0x410/0x410
[  198.735859][ T5171]  sysfs_create_dir_ns+0x26a/0x290
[  198.740989][ T5171]  ? sysfs_warn_dup+0xa0/0xa0
[  198.745899][ T5171]  ? do_raw_spin_unlock+0x11d/0x230
[  198.751298][ T5171]  kobject_add_internal+0x5ba/0xcd0
[  198.756532][ T5171]  kobject_init_and_add+0x128/0x190
[  198.761755][ T5171]  ? lockdep_softirqs_off+0x430/0x430
[  198.767150][ T5171]  ? kobject_add+0x230/0x230
[  198.771755][ T5171]  ? __init_swait_queue_head+0xa4/0x140
[  198.777299][ T5171]  gfs2_sys_fs_add+0x24f/0x4b0
[  198.782145][ T5171]  ? gfs2_recover_set+0x240/0x240
[  198.787238][ T5171]  ? snprintf+0xe5/0x140
[  198.791589][ T5171]  ? __free_pages+0x95/0x1a0
[  198.796198][ T5171]  ? vscnprintf+0x80/0x80
[  198.800538][ T5171]  gfs2_fill_super+0x11ed/0x1ea0
[  198.805687][ T5171]  ? gfs2_reconfigure+0xd80/0xd80
[  198.810927][ T5171]  ? sb_set_blocksize+0xa5/0xe0
[  198.815816][ T5171]  get_tree_bdev+0x3e6/0x610
[  198.820441][ T5171]  ? gfs2_reconfigure+0xd80/0xd80
[  198.825692][ T5171]  gfs2_get_tree+0x4d/0x1e0
[  198.830201][ T5171]  vfs_get_tree+0x88/0x270
[  198.834689][ T5171]  do_new_mount+0x247/0xa40
[  198.839187][ T5171]  __se_sys_mount+0x2e3/0x3d0
[  198.843954][ T5171]  ? __x64_sys_mount+0xc0/0xc0
[  198.848731][ T5171]  ? lockdep_hardirqs_on+0x94/0x140
[  198.854021][ T5171]  ? __x64_sys_mount+0x1c/0xc0
[  198.858872][ T5171]  do_syscall_64+0x4c/0xa0
[  198.863452][ T5171]  ? clear_bhb_loop+0x30/0x80
[  198.868113][ T5171]  ? clear_bhb_loop+0x30/0x80
[  198.872800][ T5171]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  198.878685][ T5171] RIP: 0033:0x7faf8f4bf60a
[  198.883084][ T5171] 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
[  198.902800][ T5171] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  198.911206][ T5171] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  198.919253][ T5171] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  198.927843][ T5171] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  198.935893][ T5171] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  198.943848][ T5171] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  198.951814][ T5171]  </TASK>
[  198.955991][ T5171] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  198.969227][ T5171] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  199.271605][ T5173] loop1: detected capacity change from 0 to 32768
[  199.324164][ T5173] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  199.331958][ T5173] CPU: 1 PID: 5173 Comm: syz.1.137 Not tainted syzkaller #0
[  199.339362][ T5173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  199.349516][ T5173] Call Trace:
[  199.352801][ T5173]  <TASK>
[  199.355743][ T5173]  dump_stack_lvl+0x188/0x250
[  199.360445][ T5173]  ? show_regs_print_info+0x20/0x20
[  199.365760][ T5173]  ? load_image+0x410/0x410
[  199.370289][ T5173]  sysfs_create_dir_ns+0x26a/0x290
[  199.375421][ T5173]  ? sysfs_warn_dup+0xa0/0xa0
[  199.380285][ T5173]  ? do_raw_spin_unlock+0x11d/0x230
[  199.385866][ T5173]  kobject_add_internal+0x5ba/0xcd0
[  199.391092][ T5173]  kobject_init_and_add+0x128/0x190
[  199.396309][ T5173]  ? lockdep_softirqs_off+0x430/0x430
[  199.401793][ T5173]  ? kobject_add+0x230/0x230
[  199.406383][ T5173]  ? __init_swait_queue_head+0xa4/0x140
[  199.411946][ T5173]  gfs2_sys_fs_add+0x24f/0x4b0
[  199.416718][ T5173]  ? gfs2_recover_set+0x240/0x240
[  199.421748][ T5173]  ? snprintf+0xe5/0x140
[  199.426007][ T5173]  ? __free_pages+0x95/0x1a0
[  199.430583][ T5173]  ? vscnprintf+0x80/0x80
[  199.434903][ T5173]  gfs2_fill_super+0x11ed/0x1ea0
[  199.439913][ T5173]  ? gfs2_reconfigure+0xd80/0xd80
[  199.444930][ T5173]  ? sb_set_blocksize+0xa5/0xe0
[  199.449855][ T5173]  get_tree_bdev+0x3e6/0x610
[  199.454473][ T5173]  ? gfs2_reconfigure+0xd80/0xd80
[  199.459580][ T5173]  gfs2_get_tree+0x4d/0x1e0
[  199.464081][ T5173]  vfs_get_tree+0x88/0x270
[  199.468498][ T5173]  do_new_mount+0x247/0xa40
[  199.472992][ T5173]  __se_sys_mount+0x2e3/0x3d0
[  199.477658][ T5173]  ? __x64_sys_mount+0xc0/0xc0
[  199.482669][ T5173]  ? lockdep_hardirqs_on+0x94/0x140
[  199.488580][ T5173]  ? __x64_sys_mount+0x1c/0xc0
[  199.493336][ T5173]  do_syscall_64+0x4c/0xa0
[  199.497741][ T5173]  ? clear_bhb_loop+0x30/0x80
[  199.502406][ T5173]  ? clear_bhb_loop+0x30/0x80
[  199.507079][ T5173]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  199.513151][ T5173] RIP: 0033:0x7faf8f4bf60a
[  199.517737][ T5173] 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
[  199.538059][ T5173] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  199.548269][ T5173] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  199.556425][ T5173] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  199.564389][ T5173] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  199.572782][ T5173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  199.580833][ T5173] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  199.588834][ T5173]  </TASK>
[  199.593194][ T5173] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  199.606987][ T5173] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 11:58:17 executed programs: 123
[  199.916309][ T5175] loop1: detected capacity change from 0 to 32768
[  199.976712][ T5175] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  199.984276][ T5175] CPU: 0 PID: 5175 Comm: syz.1.138 Not tainted syzkaller #0
[  199.991668][ T5175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  200.001830][ T5175] Call Trace:
[  200.005133][ T5175]  <TASK>
[  200.008155][ T5175]  dump_stack_lvl+0x188/0x250
[  200.012853][ T5175]  ? show_regs_print_info+0x20/0x20
[  200.018080][ T5175]  ? load_image+0x410/0x410
[  200.022628][ T5175]  sysfs_create_dir_ns+0x26a/0x290
[  200.028087][ T5175]  ? sysfs_warn_dup+0xa0/0xa0
[  200.032797][ T5175]  ? do_raw_spin_unlock+0x11d/0x230
[  200.038125][ T5175]  kobject_add_internal+0x5ba/0xcd0
[  200.043373][ T5175]  kobject_init_and_add+0x128/0x190
[  200.048713][ T5175]  ? lockdep_softirqs_off+0x430/0x430
[  200.054480][ T5175]  ? kobject_add+0x230/0x230
[  200.059196][ T5175]  ? __init_swait_queue_head+0xa4/0x140
[  200.064760][ T5175]  gfs2_sys_fs_add+0x24f/0x4b0
[  200.069637][ T5175]  ? gfs2_recover_set+0x240/0x240
[  200.074753][ T5175]  ? snprintf+0xe5/0x140
[  200.079071][ T5175]  ? __free_pages+0x95/0x1a0
[  200.083848][ T5175]  ? vscnprintf+0x80/0x80
[  200.088277][ T5175]  gfs2_fill_super+0x11ed/0x1ea0
[  200.093236][ T5175]  ? gfs2_reconfigure+0xd80/0xd80
[  200.098257][ T5175]  ? sb_set_blocksize+0xa5/0xe0
[  200.103201][ T5175]  get_tree_bdev+0x3e6/0x610
[  200.107792][ T5175]  ? gfs2_reconfigure+0xd80/0xd80
[  200.112891][ T5175]  gfs2_get_tree+0x4d/0x1e0
[  200.117384][ T5175]  vfs_get_tree+0x88/0x270
[  200.121793][ T5175]  do_new_mount+0x247/0xa40
[  200.126293][ T5175]  __se_sys_mount+0x2e3/0x3d0
[  200.131103][ T5175]  ? __x64_sys_mount+0xc0/0xc0
[  200.135936][ T5175]  ? lockdep_hardirqs_on+0x94/0x140
[  200.141272][ T5175]  ? __x64_sys_mount+0x1c/0xc0
[  200.146050][ T5175]  do_syscall_64+0x4c/0xa0
[  200.150455][ T5175]  ? clear_bhb_loop+0x30/0x80
[  200.155240][ T5175]  ? clear_bhb_loop+0x30/0x80
[  200.160010][ T5175]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  200.166061][ T5175] RIP: 0033:0x7faf8f4bf60a
[  200.170579][ T5175] 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
[  200.190569][ T5175] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  200.199069][ T5175] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  200.207114][ T5175] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  200.215090][ T5175] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  200.223045][ T5175] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  200.231314][ T5175] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  200.239391][ T5175]  </TASK>
[  200.243979][ T5175] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  200.257453][ T5175] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  200.579277][ T5177] loop1: detected capacity change from 0 to 32768
[  200.632578][ T5177] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  200.643526][ T5177] CPU: 0 PID: 5177 Comm: syz.1.139 Not tainted syzkaller #0
[  200.651128][ T5177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  200.661295][ T5177] Call Trace:
[  200.664612][ T5177]  <TASK>
[  200.667667][ T5177]  dump_stack_lvl+0x188/0x250
[  200.672779][ T5177]  ? show_regs_print_info+0x20/0x20
[  200.678290][ T5177]  ? load_image+0x410/0x410
[  200.682846][ T5177]  sysfs_create_dir_ns+0x26a/0x290
[  200.688002][ T5177]  ? sysfs_warn_dup+0xa0/0xa0
[  200.692881][ T5177]  ? do_raw_spin_unlock+0x11d/0x230
[  200.698107][ T5177]  kobject_add_internal+0x5ba/0xcd0
[  200.703906][ T5177]  kobject_init_and_add+0x128/0x190
[  200.709135][ T5177]  ? lockdep_softirqs_off+0x430/0x430
[  200.714544][ T5177]  ? kobject_add+0x230/0x230
[  200.719164][ T5177]  ? __init_swait_queue_head+0xa4/0x140
[  200.725239][ T5177]  gfs2_sys_fs_add+0x24f/0x4b0
[  200.730158][ T5177]  ? gfs2_recover_set+0x240/0x240
[  200.735532][ T5177]  ? snprintf+0xe5/0x140
[  200.739845][ T5177]  ? __free_pages+0x95/0x1a0
[  200.744825][ T5177]  ? vscnprintf+0x80/0x80
[  200.749632][ T5177]  gfs2_fill_super+0x11ed/0x1ea0
[  200.755190][ T5177]  ? gfs2_reconfigure+0xd80/0xd80
[  200.760855][ T5177]  ? sb_set_blocksize+0xa5/0xe0
[  200.765832][ T5177]  get_tree_bdev+0x3e6/0x610
[  200.770437][ T5177]  ? gfs2_reconfigure+0xd80/0xd80
[  200.775467][ T5177]  gfs2_get_tree+0x4d/0x1e0
[  200.780131][ T5177]  vfs_get_tree+0x88/0x270
[  200.784664][ T5177]  do_new_mount+0x247/0xa40
[  200.789242][ T5177]  __se_sys_mount+0x2e3/0x3d0
[  200.793934][ T5177]  ? __x64_sys_mount+0xc0/0xc0
[  200.798711][ T5177]  ? lockdep_hardirqs_on+0x94/0x140
[  200.804104][ T5177]  ? __x64_sys_mount+0x1c/0xc0
[  200.808970][ T5177]  do_syscall_64+0x4c/0xa0
[  200.813369][ T5177]  ? clear_bhb_loop+0x30/0x80
[  200.818027][ T5177]  ? clear_bhb_loop+0x30/0x80
[  200.822887][ T5177]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  200.828890][ T5177] RIP: 0033:0x7faf8f4bf60a
[  200.833496][ T5177] 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
[  200.853291][ T5177] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  200.861866][ T5177] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  200.870122][ T5177] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  200.878413][ T5177] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  200.886380][ T5177] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  200.894358][ T5177] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  200.902427][ T5177]  </TASK>
[  200.910304][ T5177] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  200.924086][ T5177] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  201.245753][ T5179] loop1: detected capacity change from 0 to 32768
[  201.350963][ T5179] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  201.359266][ T5179] CPU: 0 PID: 5179 Comm: syz.1.140 Not tainted syzkaller #0
[  201.366573][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  201.376899][ T5179] Call Trace:
[  201.380627][ T5179]  <TASK>
[  201.383571][ T5179]  dump_stack_lvl+0x188/0x250
[  201.388278][ T5179]  ? show_regs_print_info+0x20/0x20
[  201.393702][ T5179]  ? load_image+0x410/0x410
[  201.398332][ T5179]  sysfs_create_dir_ns+0x26a/0x290
[  201.403461][ T5179]  ? sysfs_warn_dup+0xa0/0xa0
[  201.408270][ T5179]  ? do_raw_spin_unlock+0x11d/0x230
[  201.413553][ T5179]  kobject_add_internal+0x5ba/0xcd0
[  201.418863][ T5179]  kobject_init_and_add+0x128/0x190
[  201.424163][ T5179]  ? lockdep_softirqs_off+0x430/0x430
[  201.429671][ T5179]  ? kobject_add+0x230/0x230
[  201.434252][ T5179]  ? __init_swait_queue_head+0xa4/0x140
[  201.439851][ T5179]  gfs2_sys_fs_add+0x24f/0x4b0
[  201.444640][ T5179]  ? gfs2_recover_set+0x240/0x240
[  201.449749][ T5179]  ? snprintf+0xe5/0x140
[  201.453997][ T5179]  ? __free_pages+0x95/0x1a0
[  201.458832][ T5179]  ? vscnprintf+0x80/0x80
[  201.463343][ T5179]  gfs2_fill_super+0x11ed/0x1ea0
[  201.468426][ T5179]  ? gfs2_reconfigure+0xd80/0xd80
[  201.473623][ T5179]  ? sb_set_blocksize+0xa5/0xe0
[  201.478462][ T5179]  get_tree_bdev+0x3e6/0x610
[  201.483150][ T5179]  ? gfs2_reconfigure+0xd80/0xd80
[  201.488178][ T5179]  gfs2_get_tree+0x4d/0x1e0
[  201.492665][ T5179]  vfs_get_tree+0x88/0x270
[  201.497112][ T5179]  do_new_mount+0x247/0xa40
[  201.501636][ T5179]  __se_sys_mount+0x2e3/0x3d0
[  201.506396][ T5179]  ? __x64_sys_mount+0xc0/0xc0
[  201.511455][ T5179]  ? lockdep_hardirqs_on+0x94/0x140
[  201.516813][ T5179]  ? __x64_sys_mount+0x1c/0xc0
[  201.521688][ T5179]  do_syscall_64+0x4c/0xa0
[  201.526109][ T5179]  ? clear_bhb_loop+0x30/0x80
[  201.531217][ T5179]  ? clear_bhb_loop+0x30/0x80
[  201.535905][ T5179]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  201.541887][ T5179] RIP: 0033:0x7faf8f4bf60a
[  201.546385][ T5179] 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
[  201.568185][ T5179] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  201.576856][ T5179] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  201.585011][ T5179] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  201.593857][ T5179] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  201.602037][ T5179] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  201.610227][ T5179] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  201.618645][ T5179]  </TASK>
[  201.622816][ T5179] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  201.636288][ T5179] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  201.952152][ T5181] loop1: detected capacity change from 0 to 32768
[  201.969480][ T5181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  201.977408][ T5181] CPU: 1 PID: 5181 Comm: syz.1.141 Not tainted syzkaller #0
[  201.984923][ T5181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  201.995074][ T5181] Call Trace:
[  201.998451][ T5181]  <TASK>
[  202.001413][ T5181]  dump_stack_lvl+0x188/0x250
[  202.006113][ T5181]  ? show_regs_print_info+0x20/0x20
[  202.011788][ T5181]  ? load_image+0x410/0x410
[  202.016395][ T5181]  sysfs_create_dir_ns+0x26a/0x290
[  202.022087][ T5181]  ? sysfs_warn_dup+0xa0/0xa0
[  202.026893][ T5181]  ? do_raw_spin_unlock+0x11d/0x230
[  202.032851][ T5181]  kobject_add_internal+0x5ba/0xcd0
[  202.038612][ T5181]  kobject_init_and_add+0x128/0x190
[  202.044004][ T5181]  ? lockdep_softirqs_off+0x430/0x430
[  202.050019][ T5181]  ? kobject_add+0x230/0x230
[  202.055340][ T5181]  ? __init_swait_queue_head+0xa4/0x140
[  202.061362][ T5181]  gfs2_sys_fs_add+0x24f/0x4b0
[  202.066699][ T5181]  ? gfs2_recover_set+0x240/0x240
[  202.072125][ T5181]  ? snprintf+0xe5/0x140
[  202.077751][ T5181]  ? __free_pages+0x95/0x1a0
[  202.082496][ T5181]  ? vscnprintf+0x80/0x80
[  202.086931][ T5181]  gfs2_fill_super+0x11ed/0x1ea0
[  202.091980][ T5181]  ? gfs2_reconfigure+0xd80/0xd80
[  202.097254][ T5181]  ? sb_set_blocksize+0xa5/0xe0
[  202.102400][ T5181]  get_tree_bdev+0x3e6/0x610
[  202.107241][ T5181]  ? gfs2_reconfigure+0xd80/0xd80
[  202.112543][ T5181]  gfs2_get_tree+0x4d/0x1e0
[  202.117066][ T5181]  vfs_get_tree+0x88/0x270
[  202.121743][ T5181]  do_new_mount+0x247/0xa40
[  202.126499][ T5181]  __se_sys_mount+0x2e3/0x3d0
[  202.131883][ T5181]  ? __x64_sys_mount+0xc0/0xc0
[  202.137899][ T5181]  ? lockdep_hardirqs_on+0x94/0x140
[  202.143910][ T5181]  ? __x64_sys_mount+0x1c/0xc0
[  202.150914][ T5181]  do_syscall_64+0x4c/0xa0
[  202.155331][ T5181]  ? clear_bhb_loop+0x30/0x80
[  202.160000][ T5181]  ? clear_bhb_loop+0x30/0x80
[  202.164683][ T5181]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  202.170578][ T5181] RIP: 0033:0x7faf8f4bf60a
[  202.175297][ T5181] 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
[  202.195549][ T5181] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  202.204221][ T5181] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  202.212474][ T5181] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  202.220538][ T5181] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  202.229051][ T5181] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  202.237022][ T5181] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  202.245020][ T5181]  </TASK>
[  202.249238][ T5181] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  202.262687][ T5181] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  202.559211][ T5183] loop1: detected capacity change from 0 to 32768
[  202.606367][ T5183] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  202.615495][ T5183] CPU: 1 PID: 5183 Comm: syz.1.142 Not tainted syzkaller #0
[  202.622813][ T5183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  202.633684][ T5183] Call Trace:
[  202.637072][ T5183]  <TASK>
[  202.640114][ T5183]  dump_stack_lvl+0x188/0x250
[  202.644813][ T5183]  ? show_regs_print_info+0x20/0x20
[  202.650037][ T5183]  ? load_image+0x410/0x410
[  202.654568][ T5183]  sysfs_create_dir_ns+0x26a/0x290
[  202.659787][ T5183]  ? sysfs_warn_dup+0xa0/0xa0
[  202.664475][ T5183]  ? do_raw_spin_unlock+0x11d/0x230
[  202.669793][ T5183]  kobject_add_internal+0x5ba/0xcd0
[  202.675134][ T5183]  kobject_init_and_add+0x128/0x190
[  202.680422][ T5183]  ? lockdep_softirqs_off+0x430/0x430
[  202.685784][ T5183]  ? kobject_add+0x230/0x230
[  202.690461][ T5183]  ? __init_swait_queue_head+0xa4/0x140
[  202.696088][ T5183]  gfs2_sys_fs_add+0x24f/0x4b0
[  202.700861][ T5183]  ? gfs2_recover_set+0x240/0x240
[  202.706149][ T5183]  ? snprintf+0xe5/0x140
[  202.710395][ T5183]  ? __free_pages+0x95/0x1a0
[  202.715062][ T5183]  ? vscnprintf+0x80/0x80
[  202.719381][ T5183]  gfs2_fill_super+0x11ed/0x1ea0
[  202.724470][ T5183]  ? gfs2_reconfigure+0xd80/0xd80
[  202.729500][ T5183]  ? sb_set_blocksize+0xa5/0xe0
[  202.734340][ T5183]  get_tree_bdev+0x3e6/0x610
[  202.739032][ T5183]  ? gfs2_reconfigure+0xd80/0xd80
[  202.744232][ T5183]  gfs2_get_tree+0x4d/0x1e0
[  202.749024][ T5183]  vfs_get_tree+0x88/0x270
[  202.753702][ T5183]  do_new_mount+0x247/0xa40
[  202.758284][ T5183]  __se_sys_mount+0x2e3/0x3d0
[  202.762972][ T5183]  ? __x64_sys_mount+0xc0/0xc0
[  202.767938][ T5183]  ? lockdep_hardirqs_on+0x94/0x140
[  202.773313][ T5183]  ? __x64_sys_mount+0x1c/0xc0
[  202.778065][ T5183]  do_syscall_64+0x4c/0xa0
[  202.782818][ T5183]  ? clear_bhb_loop+0x30/0x80
[  202.787854][ T5183]  ? clear_bhb_loop+0x30/0x80
[  202.792766][ T5183]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  202.798746][ T5183] RIP: 0033:0x7faf8f4bf60a
[  202.803240][ T5183] 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
[  202.822851][ T5183] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  202.831363][ T5183] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  202.839499][ T5183] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  202.847558][ T5183] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  202.855608][ T5183] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  202.863733][ T5183] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  202.871889][ T5183]  </TASK>
[  202.877006][ T5183] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  202.891330][ T5183] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  203.188534][ T5185] loop1: detected capacity change from 0 to 32768
[  203.256082][ T5185] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  203.264627][ T5185] CPU: 0 PID: 5185 Comm: syz.1.143 Not tainted syzkaller #0
[  203.272384][ T5185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  203.283153][ T5185] Call Trace:
[  203.286446][ T5185]  <TASK>
[  203.289571][ T5185]  dump_stack_lvl+0x188/0x250
[  203.294444][ T5185]  ? show_regs_print_info+0x20/0x20
[  203.299747][ T5185]  ? load_image+0x410/0x410
[  203.304366][ T5185]  sysfs_create_dir_ns+0x26a/0x290
[  203.309591][ T5185]  ? sysfs_warn_dup+0xa0/0xa0
[  203.314279][ T5185]  ? do_raw_spin_unlock+0x11d/0x230
[  203.319505][ T5185]  kobject_add_internal+0x5ba/0xcd0
[  203.324730][ T5185]  kobject_init_and_add+0x128/0x190
[  203.329930][ T5185]  ? lockdep_softirqs_off+0x430/0x430
[  203.335294][ T5185]  ? kobject_add+0x230/0x230
[  203.339986][ T5185]  ? __init_swait_queue_head+0xa4/0x140
[  203.345578][ T5185]  gfs2_sys_fs_add+0x24f/0x4b0
[  203.350345][ T5185]  ? gfs2_recover_set+0x240/0x240
[  203.355364][ T5185]  ? snprintf+0xe5/0x140
[  203.359621][ T5185]  ? __free_pages+0x95/0x1a0
[  203.364229][ T5185]  ? vscnprintf+0x80/0x80
[  203.368560][ T5185]  gfs2_fill_super+0x11ed/0x1ea0
[  203.373508][ T5185]  ? gfs2_reconfigure+0xd80/0xd80
[  203.378541][ T5185]  ? sb_set_blocksize+0xa5/0xe0
[  203.383396][ T5185]  get_tree_bdev+0x3e6/0x610
[  203.388122][ T5185]  ? gfs2_reconfigure+0xd80/0xd80
[  203.393416][ T5185]  gfs2_get_tree+0x4d/0x1e0
[  203.397918][ T5185]  vfs_get_tree+0x88/0x270
[  203.402611][ T5185]  do_new_mount+0x247/0xa40
[  203.407146][ T5185]  __se_sys_mount+0x2e3/0x3d0
[  203.411842][ T5185]  ? __x64_sys_mount+0xc0/0xc0
[  203.416609][ T5185]  ? lockdep_hardirqs_on+0x94/0x140
[  203.421899][ T5185]  ? __x64_sys_mount+0x1c/0xc0
[  203.426670][ T5185]  do_syscall_64+0x4c/0xa0
[  203.431077][ T5185]  ? clear_bhb_loop+0x30/0x80
[  203.435747][ T5185]  ? clear_bhb_loop+0x30/0x80
[  203.440665][ T5185]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  203.446547][ T5185] RIP: 0033:0x7faf8f4bf60a
[  203.451048][ T5185] 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
[  203.470644][ T5185] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  203.479048][ T5185] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  203.487040][ T5185] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  203.495006][ T5185] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  203.503055][ T5185] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  203.511022][ T5185] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  203.519101][ T5185]  </TASK>
[  203.523379][ T5185] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  203.536838][ T5185] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  203.824803][ T5187] loop1: detected capacity change from 0 to 32768
[  203.878561][ T5187] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  203.885982][ T5187] CPU: 1 PID: 5187 Comm: syz.1.144 Not tainted syzkaller #0
[  203.893278][ T5187] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  203.903348][ T5187] Call Trace:
[  203.906729][ T5187]  <TASK>
[  203.909762][ T5187]  dump_stack_lvl+0x188/0x250
[  203.914469][ T5187]  ? show_regs_print_info+0x20/0x20
[  203.919786][ T5187]  ? load_image+0x410/0x410
[  203.924357][ T5187]  sysfs_create_dir_ns+0x26a/0x290
[  203.929660][ T5187]  ? sysfs_warn_dup+0xa0/0xa0
[  203.934364][ T5187]  ? do_raw_spin_unlock+0x11d/0x230
[  203.939581][ T5187]  kobject_add_internal+0x5ba/0xcd0
[  203.945074][ T5187]  kobject_init_and_add+0x128/0x190
[  203.950293][ T5187]  ? lockdep_softirqs_off+0x430/0x430
[  203.955812][ T5187]  ? kobject_add+0x230/0x230
[  203.960406][ T5187]  ? __init_swait_queue_head+0xa4/0x140
[  203.965959][ T5187]  gfs2_sys_fs_add+0x24f/0x4b0
[  203.970843][ T5187]  ? gfs2_recover_set+0x240/0x240
[  203.975963][ T5187]  ? snprintf+0xe5/0x140
[  203.980305][ T5187]  ? __free_pages+0x95/0x1a0
[  203.984921][ T5187]  ? vscnprintf+0x80/0x80
[  203.989246][ T5187]  gfs2_fill_super+0x11ed/0x1ea0
[  203.994289][ T5187]  ? gfs2_reconfigure+0xd80/0xd80
[  203.999401][ T5187]  ? sb_set_blocksize+0xa5/0xe0
[  204.004962][ T5187]  get_tree_bdev+0x3e6/0x610
[  204.009748][ T5187]  ? gfs2_reconfigure+0xd80/0xd80
[  204.014972][ T5187]  gfs2_get_tree+0x4d/0x1e0
[  204.019470][ T5187]  vfs_get_tree+0x88/0x270
[  204.023897][ T5187]  do_new_mount+0x247/0xa40
[  204.028408][ T5187]  __se_sys_mount+0x2e3/0x3d0
[  204.033094][ T5187]  ? __x64_sys_mount+0xc0/0xc0
[  204.037970][ T5187]  ? lockdep_hardirqs_on+0x94/0x140
[  204.043673][ T5187]  ? __x64_sys_mount+0x1c/0xc0
[  204.049520][ T5187]  do_syscall_64+0x4c/0xa0
[  204.054690][ T5187]  ? clear_bhb_loop+0x30/0x80
[  204.059362][ T5187]  ? clear_bhb_loop+0x30/0x80
[  204.064377][ T5187]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  204.071145][ T5187] RIP: 0033:0x7faf8f4bf60a
[  204.075673][ T5187] 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
[  204.096115][ T5187] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.104523][ T5187] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  204.113039][ T5187] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  204.121567][ T5187] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  204.130461][ T5187] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  204.138820][ T5187] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  204.147790][ T5187]  </TASK>
[  204.152700][ T5187] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  204.166614][ T5187] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  204.499245][ T5189] loop1: detected capacity change from 0 to 32768
[  204.549095][ T5189] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.556851][ T5189] CPU: 0 PID: 5189 Comm: syz.1.145 Not tainted syzkaller #0
[  204.564165][ T5189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  204.574464][ T5189] Call Trace:
[  204.577757][ T5189]  <TASK>
[  204.580711][ T5189]  dump_stack_lvl+0x188/0x250
[  204.585405][ T5189]  ? show_regs_print_info+0x20/0x20
[  204.590712][ T5189]  ? load_image+0x410/0x410
[  204.595766][ T5189]  sysfs_create_dir_ns+0x26a/0x290
[  204.600994][ T5189]  ? sysfs_warn_dup+0xa0/0xa0
[  204.605693][ T5189]  ? do_raw_spin_unlock+0x11d/0x230
[  204.611008][ T5189]  kobject_add_internal+0x5ba/0xcd0
[  204.616404][ T5189]  kobject_init_and_add+0x128/0x190
[  204.621629][ T5189]  ? lockdep_softirqs_off+0x430/0x430
[  204.627629][ T5189]  ? kobject_add+0x230/0x230
[  204.632243][ T5189]  ? __init_swait_queue_head+0xa4/0x140
[  204.638214][ T5189]  gfs2_sys_fs_add+0x24f/0x4b0
[  204.642994][ T5189]  ? gfs2_recover_set+0x240/0x240
[  204.648024][ T5189]  ? snprintf+0xe5/0x140
[  204.652435][ T5189]  ? __free_pages+0x95/0x1a0
[  204.657037][ T5189]  ? vscnprintf+0x80/0x80
[  204.661427][ T5189]  gfs2_fill_super+0x11ed/0x1ea0
[  204.666371][ T5189]  ? gfs2_reconfigure+0xd80/0xd80
[  204.671400][ T5189]  ? sb_set_blocksize+0xa5/0xe0
[  204.676330][ T5189]  get_tree_bdev+0x3e6/0x610
[  204.680915][ T5189]  ? gfs2_reconfigure+0xd80/0xd80
[  204.686285][ T5189]  gfs2_get_tree+0x4d/0x1e0
[  204.691005][ T5189]  vfs_get_tree+0x88/0x270
[  204.695435][ T5189]  do_new_mount+0x247/0xa40
[  204.699958][ T5189]  __se_sys_mount+0x2e3/0x3d0
[  204.704638][ T5189]  ? __x64_sys_mount+0xc0/0xc0
[  204.709505][ T5189]  ? lockdep_hardirqs_on+0x94/0x140
[  204.714890][ T5189]  ? __x64_sys_mount+0x1c/0xc0
[  204.719850][ T5189]  do_syscall_64+0x4c/0xa0
[  204.724388][ T5189]  ? clear_bhb_loop+0x30/0x80
[  204.729085][ T5189]  ? clear_bhb_loop+0x30/0x80
[  204.733750][ T5189]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  204.739732][ T5189] RIP: 0033:0x7faf8f4bf60a
[  204.744264][ T5189] 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
[  204.764133][ T5189] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.772535][ T5189] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  204.780499][ T5189] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  204.788461][ T5189] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  204.796514][ T5189] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  204.804739][ T5189] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  204.812836][ T5189]  </TASK>
[  204.819547][ T5189] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  204.835505][ T5189] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 11:58:22 executed programs: 131
[  205.264683][ T5191] loop1: detected capacity change from 0 to 32768
[  205.318221][ T5191] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.325637][ T5191] CPU: 1 PID: 5191 Comm: syz.1.146 Not tainted syzkaller #0
[  205.333185][ T5191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  205.343340][ T5191] Call Trace:
[  205.346631][ T5191]  <TASK>
[  205.349587][ T5191]  dump_stack_lvl+0x188/0x250
[  205.354303][ T5191]  ? show_regs_print_info+0x20/0x20
[  205.359620][ T5191]  ? load_image+0x410/0x410
[  205.364161][ T5191]  sysfs_create_dir_ns+0x26a/0x290
[  205.369468][ T5191]  ? sysfs_warn_dup+0xa0/0xa0
[  205.374162][ T5191]  ? do_raw_spin_unlock+0x11d/0x230
[  205.379378][ T5191]  kobject_add_internal+0x5ba/0xcd0
[  205.384595][ T5191]  kobject_init_and_add+0x128/0x190
[  205.389857][ T5191]  ? lockdep_softirqs_off+0x430/0x430
[  205.395379][ T5191]  ? kobject_add+0x230/0x230
[  205.399991][ T5191]  ? __init_swait_queue_head+0xa4/0x140
[  205.406018][ T5191]  gfs2_sys_fs_add+0x24f/0x4b0
[  205.410783][ T5191]  ? gfs2_recover_set+0x240/0x240
[  205.416066][ T5191]  ? snprintf+0xe5/0x140
[  205.420305][ T5191]  ? __free_pages+0x95/0x1a0
[  205.424882][ T5191]  ? vscnprintf+0x80/0x80
[  205.429224][ T5191]  gfs2_fill_super+0x11ed/0x1ea0
[  205.434257][ T5191]  ? gfs2_reconfigure+0xd80/0xd80
[  205.439299][ T5191]  ? sb_set_blocksize+0xa5/0xe0
[  205.444135][ T5191]  get_tree_bdev+0x3e6/0x610
[  205.448710][ T5191]  ? gfs2_reconfigure+0xd80/0xd80
[  205.453785][ T5191]  gfs2_get_tree+0x4d/0x1e0
[  205.458581][ T5191]  vfs_get_tree+0x88/0x270
[  205.463090][ T5191]  do_new_mount+0x247/0xa40
[  205.467583][ T5191]  __se_sys_mount+0x2e3/0x3d0
[  205.472389][ T5191]  ? __x64_sys_mount+0xc0/0xc0
[  205.477145][ T5191]  ? lockdep_hardirqs_on+0x94/0x140
[  205.482595][ T5191]  ? __x64_sys_mount+0x1c/0xc0
[  205.487342][ T5191]  do_syscall_64+0x4c/0xa0
[  205.491768][ T5191]  ? clear_bhb_loop+0x30/0x80
[  205.496525][ T5191]  ? clear_bhb_loop+0x30/0x80
[  205.501284][ T5191]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  205.507332][ T5191] RIP: 0033:0x7faf8f4bf60a
[  205.511746][ T5191] 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
[  205.532180][ T5191] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  205.540672][ T5191] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  205.548835][ T5191] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  205.556845][ T5191] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  205.565091][ T5191] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  205.573150][ T5191] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  205.581313][ T5191]  </TASK>
[  205.585890][ T5191] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  205.599290][ T5191] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  205.921113][ T5193] loop1: detected capacity change from 0 to 32768
[  205.982104][ T5193] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.993477][ T5193] CPU: 0 PID: 5193 Comm: syz.1.147 Not tainted syzkaller #0
[  206.000988][ T5193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  206.011077][ T5193] Call Trace:
[  206.014388][ T5193]  <TASK>
[  206.017435][ T5193]  dump_stack_lvl+0x188/0x250
[  206.022148][ T5193]  ? show_regs_print_info+0x20/0x20
[  206.027413][ T5193]  ? load_image+0x410/0x410
[  206.031957][ T5193]  sysfs_create_dir_ns+0x26a/0x290
[  206.037096][ T5193]  ? sysfs_warn_dup+0xa0/0xa0
[  206.041810][ T5193]  ? do_raw_spin_unlock+0x11d/0x230
[  206.047126][ T5193]  kobject_add_internal+0x5ba/0xcd0
[  206.052883][ T5193]  kobject_init_and_add+0x128/0x190
[  206.058293][ T5193]  ? lockdep_softirqs_off+0x430/0x430
[  206.063951][ T5193]  ? kobject_add+0x230/0x230
[  206.068647][ T5193]  ? __init_swait_queue_head+0xa4/0x140
[  206.074192][ T5193]  gfs2_sys_fs_add+0x24f/0x4b0
[  206.079294][ T5193]  ? gfs2_recover_set+0x240/0x240
[  206.084440][ T5193]  ? snprintf+0xe5/0x140
[  206.088785][ T5193]  ? __free_pages+0x95/0x1a0
[  206.093728][ T5193]  ? vscnprintf+0x80/0x80
[  206.098074][ T5193]  gfs2_fill_super+0x11ed/0x1ea0
[  206.103023][ T5193]  ? gfs2_reconfigure+0xd80/0xd80
[  206.108204][ T5193]  ? sb_set_blocksize+0xa5/0xe0
[  206.113108][ T5193]  get_tree_bdev+0x3e6/0x610
[  206.117694][ T5193]  ? gfs2_reconfigure+0xd80/0xd80
[  206.122708][ T5193]  gfs2_get_tree+0x4d/0x1e0
[  206.127210][ T5193]  vfs_get_tree+0x88/0x270
[  206.131633][ T5193]  do_new_mount+0x247/0xa40
[  206.136128][ T5193]  __se_sys_mount+0x2e3/0x3d0
[  206.141117][ T5193]  ? __x64_sys_mount+0xc0/0xc0
[  206.145889][ T5193]  ? lockdep_hardirqs_on+0x94/0x140
[  206.151194][ T5193]  ? __x64_sys_mount+0x1c/0xc0
[  206.155958][ T5193]  do_syscall_64+0x4c/0xa0
[  206.160536][ T5193]  ? clear_bhb_loop+0x30/0x80
[  206.165446][ T5193]  ? clear_bhb_loop+0x30/0x80
[  206.170112][ T5193]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  206.176341][ T5193] RIP: 0033:0x7faf8f4bf60a
[  206.180962][ T5193] 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
[  206.201571][ T5193] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.210115][ T5193] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  206.218087][ T5193] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  206.226144][ T5193] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  206.234132][ T5193] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  206.242184][ T5193] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  206.250168][ T5193]  </TASK>
[  206.257417][ T5193] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.271317][ T5193] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  206.579367][ T5195] loop1: detected capacity change from 0 to 32768
[  206.631921][ T5195] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.648352][ T5195] CPU: 0 PID: 5195 Comm: syz.1.148 Not tainted syzkaller #0
[  206.655785][ T5195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  206.666146][ T5195] Call Trace:
[  206.669457][ T5195]  <TASK>
[  206.672405][ T5195]  dump_stack_lvl+0x188/0x250
[  206.677196][ T5195]  ? show_regs_print_info+0x20/0x20
[  206.682415][ T5195]  ? load_image+0x410/0x410
[  206.687042][ T5195]  sysfs_create_dir_ns+0x26a/0x290
[  206.692206][ T5195]  ? sysfs_warn_dup+0xa0/0xa0
[  206.696917][ T5195]  ? do_raw_spin_unlock+0x11d/0x230
[  206.702144][ T5195]  kobject_add_internal+0x5ba/0xcd0
[  206.707367][ T5195]  kobject_init_and_add+0x128/0x190
[  206.712688][ T5195]  ? lockdep_softirqs_off+0x430/0x430
[  206.718190][ T5195]  ? kobject_add+0x230/0x230
[  206.722822][ T5195]  ? __init_swait_queue_head+0xa4/0x140
[  206.728392][ T5195]  gfs2_sys_fs_add+0x24f/0x4b0
[  206.733168][ T5195]  ? gfs2_recover_set+0x240/0x240
[  206.738196][ T5195]  ? snprintf+0xe5/0x140
[  206.742436][ T5195]  ? __free_pages+0x95/0x1a0
[  206.747157][ T5195]  ? vscnprintf+0x80/0x80
[  206.751523][ T5195]  gfs2_fill_super+0x11ed/0x1ea0
[  206.756611][ T5195]  ? gfs2_reconfigure+0xd80/0xd80
[  206.761679][ T5195]  ? sb_set_blocksize+0xa5/0xe0
[  206.766526][ T5195]  get_tree_bdev+0x3e6/0x610
[  206.771216][ T5195]  ? gfs2_reconfigure+0xd80/0xd80
[  206.776346][ T5195]  gfs2_get_tree+0x4d/0x1e0
[  206.780837][ T5195]  vfs_get_tree+0x88/0x270
[  206.785254][ T5195]  do_new_mount+0x247/0xa40
[  206.789765][ T5195]  __se_sys_mount+0x2e3/0x3d0
[  206.794428][ T5195]  ? __x64_sys_mount+0xc0/0xc0
[  206.799174][ T5195]  ? lockdep_hardirqs_on+0x94/0x140
[  206.804358][ T5195]  ? __x64_sys_mount+0x1c/0xc0
[  206.809106][ T5195]  do_syscall_64+0x4c/0xa0
[  206.813523][ T5195]  ? clear_bhb_loop+0x30/0x80
[  206.818444][ T5195]  ? clear_bhb_loop+0x30/0x80
[  206.823160][ T5195]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  206.829200][ T5195] RIP: 0033:0x7faf8f4bf60a
[  206.833614][ T5195] 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
[  206.853419][ T5195] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.862010][ T5195] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  206.870100][ T5195] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  206.878092][ T5195] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  206.886098][ T5195] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  206.894249][ T5195] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  206.902262][ T5195]  </TASK>
[  206.906680][ T5195] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.919899][ T5195] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.230144][ T5197] loop1: detected capacity change from 0 to 32768
[  207.285395][ T5197] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.300446][ T5197] CPU: 0 PID: 5197 Comm: syz.1.149 Not tainted syzkaller #0
[  207.307793][ T5197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  207.318047][ T5197] Call Trace:
[  207.321366][ T5197]  <TASK>
[  207.324328][ T5197]  dump_stack_lvl+0x188/0x250
[  207.329033][ T5197]  ? show_regs_print_info+0x20/0x20
[  207.334271][ T5197]  ? load_image+0x410/0x410
[  207.338827][ T5197]  sysfs_create_dir_ns+0x26a/0x290
[  207.343968][ T5197]  ? sysfs_warn_dup+0xa0/0xa0
[  207.348858][ T5197]  ? do_raw_spin_unlock+0x11d/0x230
[  207.354085][ T5197]  kobject_add_internal+0x5ba/0xcd0
[  207.359328][ T5197]  kobject_init_and_add+0x128/0x190
[  207.364581][ T5197]  ? lockdep_softirqs_off+0x430/0x430
[  207.370075][ T5197]  ? kobject_add+0x230/0x230
[  207.374701][ T5197]  ? __init_swait_queue_head+0xa4/0x140
[  207.380357][ T5197]  gfs2_sys_fs_add+0x24f/0x4b0
[  207.385127][ T5197]  ? gfs2_recover_set+0x240/0x240
[  207.390244][ T5197]  ? snprintf+0xe5/0x140
[  207.394577][ T5197]  ? __free_pages+0x95/0x1a0
[  207.399277][ T5197]  ? vscnprintf+0x80/0x80
[  207.403733][ T5197]  gfs2_fill_super+0x11ed/0x1ea0
[  207.408766][ T5197]  ? gfs2_reconfigure+0xd80/0xd80
[  207.413823][ T5197]  ? sb_set_blocksize+0xa5/0xe0
[  207.418974][ T5197]  get_tree_bdev+0x3e6/0x610
[  207.423703][ T5197]  ? gfs2_reconfigure+0xd80/0xd80
[  207.428832][ T5197]  gfs2_get_tree+0x4d/0x1e0
[  207.433440][ T5197]  vfs_get_tree+0x88/0x270
[  207.437852][ T5197]  do_new_mount+0x247/0xa40
[  207.442354][ T5197]  __se_sys_mount+0x2e3/0x3d0
[  207.447050][ T5197]  ? __x64_sys_mount+0xc0/0xc0
[  207.451996][ T5197]  ? lockdep_hardirqs_on+0x94/0x140
[  207.457214][ T5197]  ? __x64_sys_mount+0x1c/0xc0
[  207.462018][ T5197]  do_syscall_64+0x4c/0xa0
[  207.466544][ T5197]  ? clear_bhb_loop+0x30/0x80
[  207.471469][ T5197]  ? clear_bhb_loop+0x30/0x80
[  207.476550][ T5197]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  207.482488][ T5197] RIP: 0033:0x7faf8f4bf60a
[  207.487284][ T5197] 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
[  207.507692][ T5197] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.516143][ T5197] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  207.525458][ T5197] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  207.533882][ T5197] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  207.541956][ T5197] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  207.550885][ T5197] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  207.558866][ T5197]  </TASK>
[  207.563235][ T5197] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.576729][ T5197] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.878779][ T5199] loop1: detected capacity change from 0 to 32768
[  207.931168][ T5199] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.939066][ T5199] CPU: 0 PID: 5199 Comm: syz.1.150 Not tainted syzkaller #0
[  207.946823][ T5199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  207.956903][ T5199] Call Trace:
[  207.960194][ T5199]  <TASK>
[  207.963216][ T5199]  dump_stack_lvl+0x188/0x250
[  207.967915][ T5199]  ? show_regs_print_info+0x20/0x20
[  207.974178][ T5199]  ? load_image+0x410/0x410
[  207.979337][ T5199]  sysfs_create_dir_ns+0x26a/0x290
[  207.984824][ T5199]  ? sysfs_warn_dup+0xa0/0xa0
[  207.989791][ T5199]  ? do_raw_spin_unlock+0x11d/0x230
[  207.995108][ T5199]  kobject_add_internal+0x5ba/0xcd0
[  208.000506][ T5199]  kobject_init_and_add+0x128/0x190
[  208.006099][ T5199]  ? lockdep_softirqs_off+0x430/0x430
[  208.011829][ T5199]  ? kobject_add+0x230/0x230
[  208.016724][ T5199]  ? __init_swait_queue_head+0xa4/0x140
[  208.022810][ T5199]  gfs2_sys_fs_add+0x24f/0x4b0
[  208.027721][ T5199]  ? gfs2_recover_set+0x240/0x240
[  208.032902][ T5199]  ? snprintf+0xe5/0x140
[  208.037456][ T5199]  ? __free_pages+0x95/0x1a0
[  208.042231][ T5199]  ? vscnprintf+0x80/0x80
[  208.046717][ T5199]  gfs2_fill_super+0x11ed/0x1ea0
[  208.051861][ T5199]  ? gfs2_reconfigure+0xd80/0xd80
[  208.056975][ T5199]  ? sb_set_blocksize+0xa5/0xe0
[  208.062641][ T5199]  get_tree_bdev+0x3e6/0x610
[  208.067367][ T5199]  ? gfs2_reconfigure+0xd80/0xd80
[  208.072570][ T5199]  gfs2_get_tree+0x4d/0x1e0
[  208.077200][ T5199]  vfs_get_tree+0x88/0x270
[  208.081738][ T5199]  do_new_mount+0x247/0xa40
[  208.086431][ T5199]  __se_sys_mount+0x2e3/0x3d0
[  208.091104][ T5199]  ? __x64_sys_mount+0xc0/0xc0
[  208.096101][ T5199]  ? lockdep_hardirqs_on+0x94/0x140
[  208.101524][ T5199]  ? __x64_sys_mount+0x1c/0xc0
[  208.106681][ T5199]  do_syscall_64+0x4c/0xa0
[  208.111383][ T5199]  ? clear_bhb_loop+0x30/0x80
[  208.116440][ T5199]  ? clear_bhb_loop+0x30/0x80
[  208.121469][ T5199]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  208.127706][ T5199] RIP: 0033:0x7faf8f4bf60a
[  208.132486][ T5199] 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
[  208.152239][ T5199] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.160740][ T5199] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  208.168884][ T5199] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  208.177112][ T5199] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  208.185343][ T5199] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  208.193666][ T5199] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  208.201916][ T5199]  </TASK>
[  208.205939][ T5199] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.219737][ T5199] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  208.532910][ T5201] loop1: detected capacity change from 0 to 32768
[  208.549419][ T5201] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.556887][ T5201] CPU: 1 PID: 5201 Comm: syz.1.151 Not tainted syzkaller #0
[  208.564184][ T5201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  208.574389][ T5201] Call Trace:
[  208.577821][ T5201]  <TASK>
[  208.580764][ T5201]  dump_stack_lvl+0x188/0x250
[  208.585719][ T5201]  ? show_regs_print_info+0x20/0x20
[  208.591074][ T5201]  ? load_image+0x410/0x410
[  208.595954][ T5201]  sysfs_create_dir_ns+0x26a/0x290
[  208.601091][ T5201]  ? sysfs_warn_dup+0xa0/0xa0
[  208.605789][ T5201]  ? do_raw_spin_unlock+0x11d/0x230
[  208.611011][ T5201]  kobject_add_internal+0x5ba/0xcd0
[  208.616371][ T5201]  kobject_init_and_add+0x128/0x190
[  208.621676][ T5201]  ? lockdep_softirqs_off+0x430/0x430
[  208.627199][ T5201]  ? kobject_add+0x230/0x230
[  208.632941][ T5201]  ? __init_swait_queue_head+0xa4/0x140
[  208.638573][ T5201]  gfs2_sys_fs_add+0x24f/0x4b0
[  208.643333][ T5201]  ? gfs2_recover_set+0x240/0x240
[  208.648449][ T5201]  ? snprintf+0xe5/0x140
[  208.653127][ T5201]  ? __free_pages+0x95/0x1a0
[  208.657721][ T5201]  ? vscnprintf+0x80/0x80
[  208.662297][ T5201]  gfs2_fill_super+0x11ed/0x1ea0
[  208.667256][ T5201]  ? gfs2_reconfigure+0xd80/0xd80
[  208.672336][ T5201]  ? sb_set_blocksize+0xa5/0xe0
[  208.677219][ T5201]  get_tree_bdev+0x3e6/0x610
[  208.681813][ T5201]  ? gfs2_reconfigure+0xd80/0xd80
[  208.686970][ T5201]  gfs2_get_tree+0x4d/0x1e0
[  208.691482][ T5201]  vfs_get_tree+0x88/0x270
[  208.695910][ T5201]  do_new_mount+0x247/0xa40
[  208.700420][ T5201]  __se_sys_mount+0x2e3/0x3d0
[  208.705378][ T5201]  ? __x64_sys_mount+0xc0/0xc0
[  208.710304][ T5201]  ? lockdep_hardirqs_on+0x94/0x140
[  208.715522][ T5201]  ? __x64_sys_mount+0x1c/0xc0
[  208.720273][ T5201]  do_syscall_64+0x4c/0xa0
[  208.724702][ T5201]  ? clear_bhb_loop+0x30/0x80
[  208.729397][ T5201]  ? clear_bhb_loop+0x30/0x80
[  208.734080][ T5201]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  208.740249][ T5201] RIP: 0033:0x7faf8f4bf60a
[  208.745852][ T5201] 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
[  208.769573][ T5201] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.777995][ T5201] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  208.787448][ T5201] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  208.796048][ T5201] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  208.804365][ T5201] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  208.812353][ T5201] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  208.820426][ T5201]  </TASK>
[  208.825486][ T5201] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.839207][ T5201] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.145007][ T5203] loop1: detected capacity change from 0 to 32768
[  209.220760][ T5203] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.229173][ T5203] CPU: 1 PID: 5203 Comm: syz.1.152 Not tainted syzkaller #0
[  209.236628][ T5203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  209.246706][ T5203] Call Trace:
[  209.250015][ T5203]  <TASK>
[  209.253039][ T5203]  dump_stack_lvl+0x188/0x250
[  209.257737][ T5203]  ? show_regs_print_info+0x20/0x20
[  209.262947][ T5203]  ? load_image+0x410/0x410
[  209.267454][ T5203]  sysfs_create_dir_ns+0x26a/0x290
[  209.272562][ T5203]  ? sysfs_warn_dup+0xa0/0xa0
[  209.277234][ T5203]  ? do_raw_spin_unlock+0x11d/0x230
[  209.282533][ T5203]  kobject_add_internal+0x5ba/0xcd0
[  209.287839][ T5203]  kobject_init_and_add+0x128/0x190
[  209.293217][ T5203]  ? lockdep_softirqs_off+0x430/0x430
[  209.298593][ T5203]  ? kobject_add+0x230/0x230
[  209.303193][ T5203]  ? __init_swait_queue_head+0xa4/0x140
[  209.308826][ T5203]  gfs2_sys_fs_add+0x24f/0x4b0
[  209.313881][ T5203]  ? gfs2_recover_set+0x240/0x240
[  209.318996][ T5203]  ? snprintf+0xe5/0x140
[  209.323329][ T5203]  ? __free_pages+0x95/0x1a0
[  209.327925][ T5203]  ? vscnprintf+0x80/0x80
[  209.332280][ T5203]  gfs2_fill_super+0x11ed/0x1ea0
[  209.337373][ T5203]  ? gfs2_reconfigure+0xd80/0xd80
[  209.342434][ T5203]  ? sb_set_blocksize+0xa5/0xe0
[  209.347502][ T5203]  get_tree_bdev+0x3e6/0x610
[  209.352095][ T5203]  ? gfs2_reconfigure+0xd80/0xd80
[  209.357285][ T5203]  gfs2_get_tree+0x4d/0x1e0
[  209.361792][ T5203]  vfs_get_tree+0x88/0x270
[  209.366214][ T5203]  do_new_mount+0x247/0xa40
[  209.370707][ T5203]  __se_sys_mount+0x2e3/0x3d0
[  209.375384][ T5203]  ? __x64_sys_mount+0xc0/0xc0
[  209.380160][ T5203]  ? lockdep_hardirqs_on+0x94/0x140
[  209.385375][ T5203]  ? __x64_sys_mount+0x1c/0xc0
[  209.390155][ T5203]  do_syscall_64+0x4c/0xa0
[  209.394554][ T5203]  ? clear_bhb_loop+0x30/0x80
[  209.399210][ T5203]  ? clear_bhb_loop+0x30/0x80
[  209.403863][ T5203]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  209.409732][ T5203] RIP: 0033:0x7faf8f4bf60a
[  209.414132][ T5203] 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
[  209.434081][ T5203] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.442483][ T5203] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  209.450452][ T5203] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  209.458531][ T5203] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  209.466495][ T5203] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  209.474472][ T5203] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  209.482631][ T5203]  </TASK>
[  209.487299][ T5203] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.501264][ T5203] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.825434][ T5205] loop1: detected capacity change from 0 to 32768
[  209.845239][ T5205] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.853820][ T5205] CPU: 0 PID: 5205 Comm: syz.1.153 Not tainted syzkaller #0
[  209.861245][ T5205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  209.871430][ T5205] Call Trace:
[  209.874841][ T5205]  <TASK>
[  209.877787][ T5205]  dump_stack_lvl+0x188/0x250
[  209.882577][ T5205]  ? show_regs_print_info+0x20/0x20
[  209.887790][ T5205]  ? load_image+0x410/0x410
[  209.892438][ T5205]  sysfs_create_dir_ns+0x26a/0x290
[  209.897677][ T5205]  ? sysfs_warn_dup+0xa0/0xa0
[  209.902379][ T5205]  ? do_raw_spin_unlock+0x11d/0x230
[  209.907734][ T5205]  kobject_add_internal+0x5ba/0xcd0
[  209.913041][ T5205]  kobject_init_and_add+0x128/0x190
[  209.918473][ T5205]  ? lockdep_softirqs_off+0x430/0x430
[  209.923881][ T5205]  ? kobject_add+0x230/0x230
[  209.928784][ T5205]  ? __init_swait_queue_head+0xa4/0x140
[  209.934591][ T5205]  gfs2_sys_fs_add+0x24f/0x4b0
[  209.939640][ T5205]  ? gfs2_recover_set+0x240/0x240
[  209.944702][ T5205]  ? snprintf+0xe5/0x140
[  209.948950][ T5205]  ? __free_pages+0x95/0x1a0
[  209.953562][ T5205]  ? vscnprintf+0x80/0x80
[  209.957978][ T5205]  gfs2_fill_super+0x11ed/0x1ea0
[  209.962920][ T5205]  ? gfs2_reconfigure+0xd80/0xd80
[  209.967979][ T5205]  ? sb_set_blocksize+0xa5/0xe0
[  209.972864][ T5205]  get_tree_bdev+0x3e6/0x610
[  209.977458][ T5205]  ? gfs2_reconfigure+0xd80/0xd80
[  209.982486][ T5205]  gfs2_get_tree+0x4d/0x1e0
[  209.987162][ T5205]  vfs_get_tree+0x88/0x270
[  209.991614][ T5205]  do_new_mount+0x247/0xa40
[  209.996161][ T5205]  __se_sys_mount+0x2e3/0x3d0
[  210.000878][ T5205]  ? __x64_sys_mount+0xc0/0xc0
[  210.005753][ T5205]  ? lockdep_hardirqs_on+0x94/0x140
[  210.010965][ T5205]  ? __x64_sys_mount+0x1c/0xc0
[  210.015837][ T5205]  do_syscall_64+0x4c/0xa0
[  210.020284][ T5205]  ? clear_bhb_loop+0x30/0x80
[  210.024983][ T5205]  ? clear_bhb_loop+0x30/0x80
[  210.029827][ T5205]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  210.035944][ T5205] RIP: 0033:0x7faf8f4bf60a
[  210.040751][ T5205] 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
[  210.060773][ T5205] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.069186][ T5205] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  210.077156][ T5205] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  210.085134][ T5205] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  210.093117][ T5205] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  210.101564][ T5205] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  210.109642][ T5205]  </TASK>
[  210.113900][ T5205] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.127369][ T5205] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 11:58:27 executed programs: 139
[  210.460597][ T5207] loop1: detected capacity change from 0 to 32768
[  210.520281][ T5207] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.528590][ T5207] CPU: 0 PID: 5207 Comm: syz.1.154 Not tainted syzkaller #0
[  210.536606][ T5207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  210.547034][ T5207] Call Trace:
[  210.550431][ T5207]  <TASK>
[  210.553385][ T5207]  dump_stack_lvl+0x188/0x250
[  210.558282][ T5207]  ? show_regs_print_info+0x20/0x20
[  210.563604][ T5207]  ? load_image+0x410/0x410
[  210.568143][ T5207]  sysfs_create_dir_ns+0x26a/0x290
[  210.573288][ T5207]  ? sysfs_warn_dup+0xa0/0xa0
[  210.578077][ T5207]  ? do_raw_spin_unlock+0x11d/0x230
[  210.583342][ T5207]  kobject_add_internal+0x5ba/0xcd0
[  210.588875][ T5207]  kobject_init_and_add+0x128/0x190
[  210.594193][ T5207]  ? lockdep_softirqs_off+0x430/0x430
[  210.599676][ T5207]  ? kobject_add+0x230/0x230
[  210.604299][ T5207]  ? __init_swait_queue_head+0xa4/0x140
[  210.609869][ T5207]  gfs2_sys_fs_add+0x24f/0x4b0
[  210.614658][ T5207]  ? gfs2_recover_set+0x240/0x240
[  210.619872][ T5207]  ? snprintf+0xe5/0x140
[  210.624204][ T5207]  ? __free_pages+0x95/0x1a0
[  210.628976][ T5207]  ? vscnprintf+0x80/0x80
[  210.633563][ T5207]  gfs2_fill_super+0x11ed/0x1ea0
[  210.638704][ T5207]  ? gfs2_reconfigure+0xd80/0xd80
[  210.643823][ T5207]  ? sb_set_blocksize+0xa5/0xe0
[  210.648768][ T5207]  get_tree_bdev+0x3e6/0x610
[  210.653370][ T5207]  ? gfs2_reconfigure+0xd80/0xd80
[  210.658722][ T5207]  gfs2_get_tree+0x4d/0x1e0
[  210.663344][ T5207]  vfs_get_tree+0x88/0x270
[  210.667774][ T5207]  do_new_mount+0x247/0xa40
[  210.672298][ T5207]  __se_sys_mount+0x2e3/0x3d0
[  210.676969][ T5207]  ? __x64_sys_mount+0xc0/0xc0
[  210.681937][ T5207]  ? lockdep_hardirqs_on+0x94/0x140
[  210.687159][ T5207]  ? __x64_sys_mount+0x1c/0xc0
[  210.691971][ T5207]  do_syscall_64+0x4c/0xa0
[  210.696383][ T5207]  ? clear_bhb_loop+0x30/0x80
[  210.701242][ T5207]  ? clear_bhb_loop+0x30/0x80
[  210.705940][ T5207]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  210.711882][ T5207] RIP: 0033:0x7faf8f4bf60a
[  210.717501][ T5207] 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
[  210.739555][ T5207] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.748688][ T5207] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  210.758055][ T5207] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  210.767247][ T5207] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  210.775504][ T5207] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  210.783664][ T5207] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  210.791999][ T5207]  </TASK>
[  210.796888][ T5207] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.810735][ T5207] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.129738][ T5209] loop1: detected capacity change from 0 to 32768
[  211.182107][ T5209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.208342][ T5209] CPU: 0 PID: 5209 Comm: syz.1.155 Not tainted syzkaller #0
[  211.216734][ T5209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  211.227170][ T5209] Call Trace:
[  211.230467][ T5209]  <TASK>
[  211.233412][ T5209]  dump_stack_lvl+0x188/0x250
[  211.238445][ T5209]  ? show_regs_print_info+0x20/0x20
[  211.244583][ T5209]  ? load_image+0x410/0x410
[  211.249132][ T5209]  sysfs_create_dir_ns+0x26a/0x290
[  211.254978][ T5209]  ? sysfs_warn_dup+0xa0/0xa0
[  211.259782][ T5209]  ? do_raw_spin_unlock+0x11d/0x230
[  211.265113][ T5209]  kobject_add_internal+0x5ba/0xcd0
[  211.270626][ T5209]  kobject_init_and_add+0x128/0x190
[  211.276033][ T5209]  ? lockdep_softirqs_off+0x430/0x430
[  211.281434][ T5209]  ? kobject_add+0x230/0x230
[  211.286503][ T5209]  ? __init_swait_queue_head+0xa4/0x140
[  211.292300][ T5209]  gfs2_sys_fs_add+0x24f/0x4b0
[  211.297201][ T5209]  ? gfs2_recover_set+0x240/0x240
[  211.302235][ T5209]  ? snprintf+0xe5/0x140
[  211.306558][ T5209]  ? __free_pages+0x95/0x1a0
[  211.311156][ T5209]  ? vscnprintf+0x80/0x80
[  211.316138][ T5209]  gfs2_fill_super+0x11ed/0x1ea0
[  211.322040][ T5209]  ? gfs2_reconfigure+0xd80/0xd80
[  211.327269][ T5209]  ? sb_set_blocksize+0xa5/0xe0
[  211.332149][ T5209]  get_tree_bdev+0x3e6/0x610
[  211.336938][ T5209]  ? gfs2_reconfigure+0xd80/0xd80
[  211.342368][ T5209]  gfs2_get_tree+0x4d/0x1e0
[  211.346900][ T5209]  vfs_get_tree+0x88/0x270
[  211.351361][ T5209]  do_new_mount+0x247/0xa40
[  211.355878][ T5209]  __se_sys_mount+0x2e3/0x3d0
[  211.360561][ T5209]  ? __x64_sys_mount+0xc0/0xc0
[  211.365342][ T5209]  ? lockdep_hardirqs_on+0x94/0x140
[  211.370649][ T5209]  ? __x64_sys_mount+0x1c/0xc0
[  211.375432][ T5209]  do_syscall_64+0x4c/0xa0
[  211.379950][ T5209]  ? clear_bhb_loop+0x30/0x80
[  211.384752][ T5209]  ? clear_bhb_loop+0x30/0x80
[  211.389524][ T5209]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  211.395412][ T5209] RIP: 0033:0x7faf8f4bf60a
[  211.399999][ T5209] 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
[  211.420163][ T5209] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.428634][ T5209] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  211.436620][ T5209] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  211.444717][ T5209] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  211.452712][ T5209] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  211.460683][ T5209] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  211.468849][ T5209]  </TASK>
[  211.472685][ T5209] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.486111][ T5209] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.805798][ T5211] loop1: detected capacity change from 0 to 32768
[  211.880446][ T5211] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.888190][ T5211] CPU: 1 PID: 5211 Comm: syz.1.156 Not tainted syzkaller #0
[  211.895861][ T5211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  211.906034][ T5211] Call Trace:
[  211.909337][ T5211]  <TASK>
[  211.912289][ T5211]  dump_stack_lvl+0x188/0x250
[  211.917311][ T5211]  ? show_regs_print_info+0x20/0x20
[  211.922575][ T5211]  ? load_image+0x410/0x410
[  211.927119][ T5211]  sysfs_create_dir_ns+0x26a/0x290
[  211.932264][ T5211]  ? sysfs_warn_dup+0xa0/0xa0
[  211.937064][ T5211]  ? do_raw_spin_unlock+0x11d/0x230
[  211.942286][ T5211]  kobject_add_internal+0x5ba/0xcd0
[  211.947506][ T5211]  kobject_init_and_add+0x128/0x190
[  211.952699][ T5211]  ? lockdep_softirqs_off+0x430/0x430
[  211.958242][ T5211]  ? kobject_add+0x230/0x230
[  211.962823][ T5211]  ? __init_swait_queue_head+0xa4/0x140
[  211.968357][ T5211]  gfs2_sys_fs_add+0x24f/0x4b0
[  211.973112][ T5211]  ? gfs2_recover_set+0x240/0x240
[  211.978348][ T5211]  ? snprintf+0xe5/0x140
[  211.982758][ T5211]  ? __free_pages+0x95/0x1a0
[  211.987527][ T5211]  ? vscnprintf+0x80/0x80
[  211.991856][ T5211]  gfs2_fill_super+0x11ed/0x1ea0
[  211.996793][ T5211]  ? gfs2_reconfigure+0xd80/0xd80
[  212.001915][ T5211]  ? sb_set_blocksize+0xa5/0xe0
[  212.007286][ T5211]  get_tree_bdev+0x3e6/0x610
[  212.011894][ T5211]  ? gfs2_reconfigure+0xd80/0xd80
[  212.017302][ T5211]  gfs2_get_tree+0x4d/0x1e0
[  212.022039][ T5211]  vfs_get_tree+0x88/0x270
[  212.026591][ T5211]  do_new_mount+0x247/0xa40
[  212.031286][ T5211]  __se_sys_mount+0x2e3/0x3d0
[  212.035993][ T5211]  ? __x64_sys_mount+0xc0/0xc0
[  212.040966][ T5211]  ? lockdep_hardirqs_on+0x94/0x140
[  212.046206][ T5211]  ? __x64_sys_mount+0x1c/0xc0
[  212.051684][ T5211]  do_syscall_64+0x4c/0xa0
[  212.056226][ T5211]  ? clear_bhb_loop+0x30/0x80
[  212.061178][ T5211]  ? clear_bhb_loop+0x30/0x80
[  212.066309][ T5211]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  212.073071][ T5211] RIP: 0033:0x7faf8f4bf60a
[  212.079284][ T5211] 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
[  212.101649][ T5211] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.110163][ T5211] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  212.118677][ T5211] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  212.127054][ T5211] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  212.135411][ T5211] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  212.143747][ T5211] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  212.151841][ T5211]  </TASK>
[  212.156921][ T5211] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.170477][ T5211] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.529687][ T5213] loop1: detected capacity change from 0 to 32768
[  212.579302][ T5213] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.588414][ T5213] CPU: 1 PID: 5213 Comm: syz.1.157 Not tainted syzkaller #0
[  212.595837][ T5213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  212.606071][ T5213] Call Trace:
[  212.609373][ T5213]  <TASK>
[  212.612587][ T5213]  dump_stack_lvl+0x188/0x250
[  212.617387][ T5213]  ? show_regs_print_info+0x20/0x20
[  212.622617][ T5213]  ? load_image+0x410/0x410
[  212.627187][ T5213]  sysfs_create_dir_ns+0x26a/0x290
[  212.632425][ T5213]  ? sysfs_warn_dup+0xa0/0xa0
[  212.637430][ T5213]  ? do_raw_spin_unlock+0x11d/0x230
[  212.642668][ T5213]  kobject_add_internal+0x5ba/0xcd0
[  212.647913][ T5213]  kobject_init_and_add+0x128/0x190
[  212.653163][ T5213]  ? lockdep_softirqs_off+0x430/0x430
[  212.658645][ T5213]  ? kobject_add+0x230/0x230
[  212.664133][ T5213]  ? __init_swait_queue_head+0xa4/0x140
[  212.669947][ T5213]  gfs2_sys_fs_add+0x24f/0x4b0
[  212.674830][ T5213]  ? gfs2_recover_set+0x240/0x240
[  212.679945][ T5213]  ? snprintf+0xe5/0x140
[  212.684453][ T5213]  ? __free_pages+0x95/0x1a0
[  212.689047][ T5213]  ? vscnprintf+0x80/0x80
[  212.693505][ T5213]  gfs2_fill_super+0x11ed/0x1ea0
[  212.698479][ T5213]  ? gfs2_reconfigure+0xd80/0xd80
[  212.703601][ T5213]  ? sb_set_blocksize+0xa5/0xe0
[  212.708739][ T5213]  get_tree_bdev+0x3e6/0x610
[  212.713354][ T5213]  ? gfs2_reconfigure+0xd80/0xd80
[  212.718979][ T5213]  gfs2_get_tree+0x4d/0x1e0
[  212.724991][ T5213]  vfs_get_tree+0x88/0x270
[  212.730181][ T5213]  do_new_mount+0x247/0xa40
[  212.735043][ T5213]  __se_sys_mount+0x2e3/0x3d0
[  212.739788][ T5213]  ? __x64_sys_mount+0xc0/0xc0
[  212.745673][ T5213]  ? lockdep_hardirqs_on+0x94/0x140
[  212.750965][ T5213]  ? __x64_sys_mount+0x1c/0xc0
[  212.756025][ T5213]  do_syscall_64+0x4c/0xa0
[  212.760630][ T5213]  ? clear_bhb_loop+0x30/0x80
[  212.766284][ T5213]  ? clear_bhb_loop+0x30/0x80
[  212.771844][ T5213]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  212.778151][ T5213] RIP: 0033:0x7faf8f4bf60a
[  212.782935][ T5213] 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
[  212.802951][ T5213] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.812093][ T5213] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  212.822063][ T5213] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  212.831012][ T5213] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  212.839876][ T5213] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  212.848710][ T5213] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  212.856946][ T5213]  </TASK>
[  212.861748][ T5213] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.875633][ T5213] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.185972][ T5215] loop1: detected capacity change from 0 to 32768
[  213.240451][ T5215] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.248162][ T5215] CPU: 1 PID: 5215 Comm: syz.1.158 Not tainted syzkaller #0
[  213.255729][ T5215] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  213.266079][ T5215] Call Trace:
[  213.269628][ T5215]  <TASK>
[  213.272575][ T5215]  dump_stack_lvl+0x188/0x250
[  213.277372][ T5215]  ? show_regs_print_info+0x20/0x20
[  213.282597][ T5215]  ? load_image+0x410/0x410
[  213.287130][ T5215]  sysfs_create_dir_ns+0x26a/0x290
[  213.292354][ T5215]  ? sysfs_warn_dup+0xa0/0xa0
[  213.297046][ T5215]  ? do_raw_spin_unlock+0x11d/0x230
[  213.302529][ T5215]  kobject_add_internal+0x5ba/0xcd0
[  213.307757][ T5215]  kobject_init_and_add+0x128/0x190
[  213.313169][ T5215]  ? lockdep_softirqs_off+0x430/0x430
[  213.318560][ T5215]  ? kobject_add+0x230/0x230
[  213.323146][ T5215]  ? __init_swait_queue_head+0xa4/0x140
[  213.328782][ T5215]  gfs2_sys_fs_add+0x24f/0x4b0
[  213.333629][ T5215]  ? gfs2_recover_set+0x240/0x240
[  213.338731][ T5215]  ? snprintf+0xe5/0x140
[  213.342995][ T5215]  ? __free_pages+0x95/0x1a0
[  213.347571][ T5215]  ? vscnprintf+0x80/0x80
[  213.351888][ T5215]  gfs2_fill_super+0x11ed/0x1ea0
[  213.356897][ T5215]  ? gfs2_reconfigure+0xd80/0xd80
[  213.362110][ T5215]  ? sb_set_blocksize+0xa5/0xe0
[  213.366968][ T5215]  get_tree_bdev+0x3e6/0x610
[  213.371625][ T5215]  ? gfs2_reconfigure+0xd80/0xd80
[  213.377052][ T5215]  gfs2_get_tree+0x4d/0x1e0
[  213.381566][ T5215]  vfs_get_tree+0x88/0x270
[  213.385984][ T5215]  do_new_mount+0x247/0xa40
[  213.390787][ T5215]  __se_sys_mount+0x2e3/0x3d0
[  213.395554][ T5215]  ? __x64_sys_mount+0xc0/0xc0
[  213.400313][ T5215]  ? lockdep_hardirqs_on+0x94/0x140
[  213.405800][ T5215]  ? __x64_sys_mount+0x1c/0xc0
[  213.410702][ T5215]  do_syscall_64+0x4c/0xa0
[  213.415482][ T5215]  ? clear_bhb_loop+0x30/0x80
[  213.420160][ T5215]  ? clear_bhb_loop+0x30/0x80
[  213.424918][ T5215]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  213.430922][ T5215] RIP: 0033:0x7faf8f4bf60a
[  213.435346][ T5215] 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
[  213.455057][ T5215] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.463640][ T5215] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  213.471602][ T5215] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  213.479652][ T5215] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  213.488048][ T5215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  213.496129][ T5215] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  213.504468][ T5215]  </TASK>
[  213.508754][ T5215] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.522326][ T5215] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.840818][ T5217] loop1: detected capacity change from 0 to 32768
[  213.919768][ T5217] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.928217][ T5217] CPU: 1 PID: 5217 Comm: syz.1.159 Not tainted syzkaller #0
[  213.936012][ T5217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  213.946079][ T5217] Call Trace:
[  213.949392][ T5217]  <TASK>
[  213.952417][ T5217]  dump_stack_lvl+0x188/0x250
[  213.957236][ T5217]  ? show_regs_print_info+0x20/0x20
[  213.962555][ T5217]  ? load_image+0x410/0x410
[  213.967125][ T5217]  sysfs_create_dir_ns+0x26a/0x290
[  213.972257][ T5217]  ? sysfs_warn_dup+0xa0/0xa0
[  213.977046][ T5217]  ? do_raw_spin_unlock+0x11d/0x230
[  213.982350][ T5217]  kobject_add_internal+0x5ba/0xcd0
[  213.987568][ T5217]  kobject_init_and_add+0x128/0x190
[  213.992943][ T5217]  ? lockdep_softirqs_off+0x430/0x430
[  213.998341][ T5217]  ? kobject_add+0x230/0x230
[  214.003616][ T5217]  ? __init_swait_queue_head+0xa4/0x140
[  214.009680][ T5217]  gfs2_sys_fs_add+0x24f/0x4b0
[  214.014494][ T5217]  ? gfs2_recover_set+0x240/0x240
[  214.020130][ T5217]  ? snprintf+0xe5/0x140
[  214.024418][ T5217]  ? __free_pages+0x95/0x1a0
[  214.029191][ T5217]  ? vscnprintf+0x80/0x80
[  214.033768][ T5217]  gfs2_fill_super+0x11ed/0x1ea0
[  214.038991][ T5217]  ? gfs2_reconfigure+0xd80/0xd80
[  214.044287][ T5217]  ? sb_set_blocksize+0xa5/0xe0
[  214.049693][ T5217]  get_tree_bdev+0x3e6/0x610
[  214.054871][ T5217]  ? gfs2_reconfigure+0xd80/0xd80
[  214.060108][ T5217]  gfs2_get_tree+0x4d/0x1e0
[  214.064654][ T5217]  vfs_get_tree+0x88/0x270
[  214.069569][ T5217]  do_new_mount+0x247/0xa40
[  214.075428][ T5217]  __se_sys_mount+0x2e3/0x3d0
[  214.080243][ T5217]  ? __x64_sys_mount+0xc0/0xc0
[  214.085149][ T5217]  ? lockdep_hardirqs_on+0x94/0x140
[  214.090719][ T5217]  ? __x64_sys_mount+0x1c/0xc0
[  214.096193][ T5217]  do_syscall_64+0x4c/0xa0
[  214.100793][ T5217]  ? clear_bhb_loop+0x30/0x80
[  214.105746][ T5217]  ? clear_bhb_loop+0x30/0x80
[  214.110560][ T5217]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.116686][ T5217] RIP: 0033:0x7faf8f4bf60a
[  214.121222][ T5217] 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
[  214.141821][ T5217] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.150338][ T5217] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  214.158370][ T5217] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  214.166675][ T5217] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  214.174988][ T5217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  214.183161][ T5217] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  214.192676][ T5217]  </TASK>
[  214.197482][ T5217] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.211850][ T5217] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.535992][ T5219] loop1: detected capacity change from 0 to 32768
[  214.594877][ T5219] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.602874][ T5219] CPU: 0 PID: 5219 Comm: syz.1.160 Not tainted syzkaller #0
[  214.610289][ T5219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  214.620365][ T5219] Call Trace:
[  214.623686][ T5219]  <TASK>
[  214.626921][ T5219]  dump_stack_lvl+0x188/0x250
[  214.631719][ T5219]  ? show_regs_print_info+0x20/0x20
[  214.636992][ T5219]  ? load_image+0x410/0x410
[  214.641550][ T5219]  sysfs_create_dir_ns+0x26a/0x290
[  214.646719][ T5219]  ? sysfs_warn_dup+0xa0/0xa0
[  214.651435][ T5219]  ? do_raw_spin_unlock+0x11d/0x230
[  214.656661][ T5219]  kobject_add_internal+0x5ba/0xcd0
[  214.661898][ T5219]  kobject_init_and_add+0x128/0x190
[  214.667206][ T5219]  ? lockdep_softirqs_off+0x430/0x430
[  214.672796][ T5219]  ? kobject_add+0x230/0x230
[  214.677514][ T5219]  ? __init_swait_queue_head+0xa4/0x140
[  214.683283][ T5219]  gfs2_sys_fs_add+0x24f/0x4b0
[  214.688170][ T5219]  ? gfs2_recover_set+0x240/0x240
[  214.693563][ T5219]  ? snprintf+0xe5/0x140
[  214.698110][ T5219]  ? __free_pages+0x95/0x1a0
[  214.702791][ T5219]  ? vscnprintf+0x80/0x80
[  214.707674][ T5219]  gfs2_fill_super+0x11ed/0x1ea0
[  214.712829][ T5219]  ? gfs2_reconfigure+0xd80/0xd80
[  214.717894][ T5219]  ? sb_set_blocksize+0xa5/0xe0
[  214.723042][ T5219]  get_tree_bdev+0x3e6/0x610
[  214.728182][ T5219]  ? gfs2_reconfigure+0xd80/0xd80
[  214.733735][ T5219]  gfs2_get_tree+0x4d/0x1e0
[  214.738367][ T5219]  vfs_get_tree+0x88/0x270
[  214.744897][ T5219]  do_new_mount+0x247/0xa40
[  214.751261][ T5219]  __se_sys_mount+0x2e3/0x3d0
[  214.755993][ T5219]  ? __x64_sys_mount+0xc0/0xc0
[  214.760903][ T5219]  ? lockdep_hardirqs_on+0x94/0x140
[  214.766706][ T5219]  ? __x64_sys_mount+0x1c/0xc0
[  214.771490][ T5219]  do_syscall_64+0x4c/0xa0
[  214.776435][ T5219]  ? clear_bhb_loop+0x30/0x80
[  214.781350][ T5219]  ? clear_bhb_loop+0x30/0x80
[  214.786397][ T5219]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.792432][ T5219] RIP: 0033:0x7faf8f4bf60a
[  214.797223][ T5219] 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
[  214.818220][ T5219] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.827694][ T5219] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  214.835686][ T5219] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  214.843771][ T5219] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  214.852041][ T5219] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  214.860284][ T5219] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  214.868994][ T5219]  </TASK>
[  214.873291][ T5219] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.887673][ T5219] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.219102][ T5221] loop1: detected capacity change from 0 to 32768
[  215.284469][ T5221] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.296641][ T5221] CPU: 1 PID: 5221 Comm: syz.1.161 Not tainted syzkaller #0
[  215.303989][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  215.314238][ T5221] Call Trace:
[  215.317537][ T5221]  <TASK>
[  215.320475][ T5221]  dump_stack_lvl+0x188/0x250
[  215.325180][ T5221]  ? show_regs_print_info+0x20/0x20
[  215.330404][ T5221]  ? load_image+0x410/0x410
[  215.335132][ T5221]  sysfs_create_dir_ns+0x26a/0x290
[  215.340458][ T5221]  ? sysfs_warn_dup+0xa0/0xa0
[  215.345460][ T5221]  ? do_raw_spin_unlock+0x11d/0x230
[  215.350771][ T5221]  kobject_add_internal+0x5ba/0xcd0
[  215.356095][ T5221]  kobject_init_and_add+0x128/0x190
[  215.361580][ T5221]  ? lockdep_softirqs_off+0x430/0x430
[  215.366987][ T5221]  ? kobject_add+0x230/0x230
[  215.371600][ T5221]  ? __init_swait_queue_head+0xa4/0x140
[  215.377864][ T5221]  gfs2_sys_fs_add+0x24f/0x4b0
[  215.382727][ T5221]  ? gfs2_recover_set+0x240/0x240
[  215.387778][ T5221]  ? snprintf+0xe5/0x140
[  215.392017][ T5221]  ? __free_pages+0x95/0x1a0
[  215.396778][ T5221]  ? vscnprintf+0x80/0x80
[  215.401131][ T5221]  gfs2_fill_super+0x11ed/0x1ea0
[  215.406066][ T5221]  ? gfs2_reconfigure+0xd80/0xd80
[  215.411086][ T5221]  ? sb_set_blocksize+0xa5/0xe0
[  215.416312][ T5221]  get_tree_bdev+0x3e6/0x610
[  215.420928][ T5221]  ? gfs2_reconfigure+0xd80/0xd80
[  215.425973][ T5221]  gfs2_get_tree+0x4d/0x1e0
[  215.430485][ T5221]  vfs_get_tree+0x88/0x270
[  215.434895][ T5221]  do_new_mount+0x247/0xa40
[  215.439383][ T5221]  __se_sys_mount+0x2e3/0x3d0
[  215.444458][ T5221]  ? __x64_sys_mount+0xc0/0xc0
[  215.449318][ T5221]  ? lockdep_hardirqs_on+0x94/0x140
[  215.454608][ T5221]  ? __x64_sys_mount+0x1c/0xc0
[  215.459366][ T5221]  do_syscall_64+0x4c/0xa0
[  215.463901][ T5221]  ? clear_bhb_loop+0x30/0x80
[  215.468767][ T5221]  ? clear_bhb_loop+0x30/0x80
[  215.473589][ T5221]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.479583][ T5221] RIP: 0033:0x7faf8f4bf60a
[  215.484021][ T5221] 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
[  215.503804][ T5221] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.512326][ T5221] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  215.520508][ T5221] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  215.528628][ T5221] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  215.536613][ T5221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  215.544725][ T5221] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  215.552904][ T5221]  </TASK>
[  215.557385][ T5221] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.571739][ T5221] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 11:58:33 executed programs: 147
[  215.899685][ T5223] loop1: detected capacity change from 0 to 32768
[  215.973326][ T5223] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.983206][ T5223] CPU: 0 PID: 5223 Comm: syz.1.162 Not tainted syzkaller #0
[  215.990623][ T5223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  216.000717][ T5223] Call Trace:
[  216.004024][ T5223]  <TASK>
[  216.007066][ T5223]  dump_stack_lvl+0x188/0x250
[  216.011950][ T5223]  ? show_regs_print_info+0x20/0x20
[  216.017187][ T5223]  ? load_image+0x410/0x410
[  216.021898][ T5223]  sysfs_create_dir_ns+0x26a/0x290
[  216.027319][ T5223]  ? sysfs_warn_dup+0xa0/0xa0
[  216.032304][ T5223]  ? do_raw_spin_unlock+0x11d/0x230
[  216.037632][ T5223]  kobject_add_internal+0x5ba/0xcd0
[  216.043001][ T5223]  kobject_init_and_add+0x128/0x190
[  216.049079][ T5223]  ? lockdep_softirqs_off+0x430/0x430
[  216.054663][ T5223]  ? kobject_add+0x230/0x230
[  216.059630][ T5223]  ? __init_swait_queue_head+0xa4/0x140
[  216.065196][ T5223]  gfs2_sys_fs_add+0x24f/0x4b0
[  216.070091][ T5223]  ? gfs2_recover_set+0x240/0x240
[  216.075126][ T5223]  ? snprintf+0xe5/0x140
[  216.079503][ T5223]  ? __free_pages+0x95/0x1a0
[  216.084279][ T5223]  ? vscnprintf+0x80/0x80
[  216.088851][ T5223]  gfs2_fill_super+0x11ed/0x1ea0
[  216.093940][ T5223]  ? gfs2_reconfigure+0xd80/0xd80
[  216.099211][ T5223]  ? sb_set_blocksize+0xa5/0xe0
[  216.104295][ T5223]  get_tree_bdev+0x3e6/0x610
[  216.108882][ T5223]  ? gfs2_reconfigure+0xd80/0xd80
[  216.114065][ T5223]  gfs2_get_tree+0x4d/0x1e0
[  216.118659][ T5223]  vfs_get_tree+0x88/0x270
[  216.123068][ T5223]  do_new_mount+0x247/0xa40
[  216.128101][ T5223]  __se_sys_mount+0x2e3/0x3d0
[  216.133241][ T5223]  ? __x64_sys_mount+0xc0/0xc0
[  216.138013][ T5223]  ? lockdep_hardirqs_on+0x94/0x140
[  216.143330][ T5223]  ? __x64_sys_mount+0x1c/0xc0
[  216.148294][ T5223]  do_syscall_64+0x4c/0xa0
[  216.152700][ T5223]  ? clear_bhb_loop+0x30/0x80
[  216.157767][ T5223]  ? clear_bhb_loop+0x30/0x80
[  216.162441][ T5223]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.168335][ T5223] RIP: 0033:0x7faf8f4bf60a
[  216.173030][ T5223] 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
[  216.193472][ T5223] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.202476][ T5223] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  216.210639][ T5223] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  216.218794][ T5223] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  216.227395][ T5223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  216.235624][ T5223] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  216.243625][ T5223]  </TASK>
[  216.247938][ T5223] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.261500][ T5223] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.561990][ T5225] loop1: detected capacity change from 0 to 32768
[  216.583478][ T5225] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.591166][ T5225] CPU: 0 PID: 5225 Comm: syz.1.163 Not tainted syzkaller #0
[  216.599154][ T5225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  216.609862][ T5225] Call Trace:
[  216.613320][ T5225]  <TASK>
[  216.616367][ T5225]  dump_stack_lvl+0x188/0x250
[  216.621331][ T5225]  ? show_regs_print_info+0x20/0x20
[  216.626929][ T5225]  ? load_image+0x410/0x410
[  216.631550][ T5225]  sysfs_create_dir_ns+0x26a/0x290
[  216.637077][ T5225]  ? sysfs_warn_dup+0xa0/0xa0
[  216.642039][ T5225]  ? do_raw_spin_unlock+0x11d/0x230
[  216.647262][ T5225]  kobject_add_internal+0x5ba/0xcd0
[  216.652529][ T5225]  kobject_init_and_add+0x128/0x190
[  216.657849][ T5225]  ? lockdep_softirqs_off+0x430/0x430
[  216.663236][ T5225]  ? kobject_add+0x230/0x230
[  216.667968][ T5225]  ? __init_swait_queue_head+0xa4/0x140
[  216.673686][ T5225]  gfs2_sys_fs_add+0x24f/0x4b0
[  216.678454][ T5225]  ? gfs2_recover_set+0x240/0x240
[  216.683576][ T5225]  ? snprintf+0xe5/0x140
[  216.687827][ T5225]  ? __free_pages+0x95/0x1a0
[  216.692521][ T5225]  ? vscnprintf+0x80/0x80
[  216.696968][ T5225]  gfs2_fill_super+0x11ed/0x1ea0
[  216.701999][ T5225]  ? gfs2_reconfigure+0xd80/0xd80
[  216.707020][ T5225]  ? sb_set_blocksize+0xa5/0xe0
[  216.712010][ T5225]  get_tree_bdev+0x3e6/0x610
[  216.717153][ T5225]  ? gfs2_reconfigure+0xd80/0xd80
[  216.722639][ T5225]  gfs2_get_tree+0x4d/0x1e0
[  216.727193][ T5225]  vfs_get_tree+0x88/0x270
[  216.732077][ T5225]  do_new_mount+0x247/0xa40
[  216.737092][ T5225]  __se_sys_mount+0x2e3/0x3d0
[  216.742552][ T5225]  ? __x64_sys_mount+0xc0/0xc0
[  216.747480][ T5225]  ? lockdep_hardirqs_on+0x94/0x140
[  216.752893][ T5225]  ? __x64_sys_mount+0x1c/0xc0
[  216.757778][ T5225]  do_syscall_64+0x4c/0xa0
[  216.762299][ T5225]  ? clear_bhb_loop+0x30/0x80
[  216.767066][ T5225]  ? clear_bhb_loop+0x30/0x80
[  216.771782][ T5225]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.777667][ T5225] RIP: 0033:0x7faf8f4bf60a
[  216.782208][ T5225] 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
[  216.802246][ T5225] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.810849][ T5225] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  216.819342][ T5225] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  216.827765][ T5225] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  216.836085][ T5225] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  216.844619][ T5225] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  216.852710][ T5225]  </TASK>
[  216.859957][ T5225] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.877588][ T5225] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.193476][ T5227] loop1: detected capacity change from 0 to 32768
[  217.241219][ T5227] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.250419][ T5227] CPU: 1 PID: 5227 Comm: syz.1.164 Not tainted syzkaller #0
[  217.258042][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  217.268840][ T5227] Call Trace:
[  217.272148][ T5227]  <TASK>
[  217.275105][ T5227]  dump_stack_lvl+0x188/0x250
[  217.280015][ T5227]  ? show_regs_print_info+0x20/0x20
[  217.285483][ T5227]  ? load_image+0x410/0x410
[  217.290036][ T5227]  sysfs_create_dir_ns+0x26a/0x290
[  217.295418][ T5227]  ? sysfs_warn_dup+0xa0/0xa0
[  217.300218][ T5227]  ? do_raw_spin_unlock+0x11d/0x230
[  217.305558][ T5227]  kobject_add_internal+0x5ba/0xcd0
[  217.310880][ T5227]  kobject_init_and_add+0x128/0x190
[  217.316111][ T5227]  ? lockdep_softirqs_off+0x430/0x430
[  217.321657][ T5227]  ? kobject_add+0x230/0x230
[  217.326367][ T5227]  ? __init_swait_queue_head+0xa4/0x140
[  217.331939][ T5227]  gfs2_sys_fs_add+0x24f/0x4b0
[  217.336921][ T5227]  ? gfs2_recover_set+0x240/0x240
[  217.341991][ T5227]  ? snprintf+0xe5/0x140
[  217.346360][ T5227]  ? __free_pages+0x95/0x1a0
[  217.350989][ T5227]  ? vscnprintf+0x80/0x80
[  217.355611][ T5227]  gfs2_fill_super+0x11ed/0x1ea0
[  217.360586][ T5227]  ? gfs2_reconfigure+0xd80/0xd80
[  217.365622][ T5227]  ? sb_set_blocksize+0xa5/0xe0
[  217.370475][ T5227]  get_tree_bdev+0x3e6/0x610
[  217.375075][ T5227]  ? gfs2_reconfigure+0xd80/0xd80
[  217.380379][ T5227]  gfs2_get_tree+0x4d/0x1e0
[  217.384889][ T5227]  vfs_get_tree+0x88/0x270
[  217.389486][ T5227]  do_new_mount+0x247/0xa40
[  217.394457][ T5227]  __se_sys_mount+0x2e3/0x3d0
[  217.399238][ T5227]  ? __x64_sys_mount+0xc0/0xc0
[  217.404090][ T5227]  ? lockdep_hardirqs_on+0x94/0x140
[  217.409374][ T5227]  ? __x64_sys_mount+0x1c/0xc0
[  217.414384][ T5227]  do_syscall_64+0x4c/0xa0
[  217.418899][ T5227]  ? clear_bhb_loop+0x30/0x80
[  217.424009][ T5227]  ? clear_bhb_loop+0x30/0x80
[  217.428694][ T5227]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.434588][ T5227] RIP: 0033:0x7faf8f4bf60a
[  217.439010][ T5227] 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
[  217.458626][ T5227] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.467474][ T5227] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  217.475627][ T5227] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  217.483832][ T5227] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  217.492362][ T5227] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  217.500679][ T5227] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  217.509134][ T5227]  </TASK>
[  217.514625][ T5227] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.528532][ T5227] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.864636][ T5229] loop1: detected capacity change from 0 to 32768
[  217.896385][ T5229] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.903991][ T5229] CPU: 1 PID: 5229 Comm: syz.1.165 Not tainted syzkaller #0
[  217.911298][ T5229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  217.921375][ T5229] Call Trace:
[  217.924685][ T5229]  <TASK>
[  217.927729][ T5229]  dump_stack_lvl+0x188/0x250
[  217.932521][ T5229]  ? show_regs_print_info+0x20/0x20
[  217.937732][ T5229]  ? load_image+0x410/0x410
[  217.942361][ T5229]  sysfs_create_dir_ns+0x26a/0x290
[  217.947585][ T5229]  ? sysfs_warn_dup+0xa0/0xa0
[  217.952416][ T5229]  ? do_raw_spin_unlock+0x11d/0x230
[  217.957767][ T5229]  kobject_add_internal+0x5ba/0xcd0
[  217.963016][ T5229]  kobject_init_and_add+0x128/0x190
[  217.968342][ T5229]  ? lockdep_softirqs_off+0x430/0x430
[  217.973829][ T5229]  ? kobject_add+0x230/0x230
[  217.978427][ T5229]  ? __init_swait_queue_head+0xa4/0x140
[  217.983974][ T5229]  gfs2_sys_fs_add+0x24f/0x4b0
[  217.988821][ T5229]  ? gfs2_recover_set+0x240/0x240
[  217.993915][ T5229]  ? snprintf+0xe5/0x140
[  217.998151][ T5229]  ? __free_pages+0x95/0x1a0
[  218.003129][ T5229]  ? vscnprintf+0x80/0x80
[  218.007551][ T5229]  gfs2_fill_super+0x11ed/0x1ea0
[  218.012573][ T5229]  ? gfs2_reconfigure+0xd80/0xd80
[  218.018197][ T5229]  ? sb_set_blocksize+0xa5/0xe0
[  218.023624][ T5229]  get_tree_bdev+0x3e6/0x610
[  218.028622][ T5229]  ? gfs2_reconfigure+0xd80/0xd80
[  218.033745][ T5229]  gfs2_get_tree+0x4d/0x1e0
[  218.039416][ T5229]  vfs_get_tree+0x88/0x270
[  218.043934][ T5229]  do_new_mount+0x247/0xa40
[  218.048441][ T5229]  __se_sys_mount+0x2e3/0x3d0
[  218.053321][ T5229]  ? __x64_sys_mount+0xc0/0xc0
[  218.058320][ T5229]  ? lockdep_hardirqs_on+0x94/0x140
[  218.063549][ T5229]  ? __x64_sys_mount+0x1c/0xc0
[  218.068432][ T5229]  do_syscall_64+0x4c/0xa0
[  218.072886][ T5229]  ? clear_bhb_loop+0x30/0x80
[  218.077776][ T5229]  ? clear_bhb_loop+0x30/0x80
[  218.082612][ T5229]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.088754][ T5229] RIP: 0033:0x7faf8f4bf60a
[  218.093184][ T5229] 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
[  218.113392][ T5229] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.121806][ T5229] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  218.130392][ T5229] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  218.138462][ T5229] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  218.146637][ T5229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  218.155067][ T5229] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  218.163443][ T5229]  </TASK>
[  218.168209][ T5229] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.181551][ T5229] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.516791][ T5231] loop1: detected capacity change from 0 to 32768
[  218.601078][ T5231] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.610729][ T5231] CPU: 1 PID: 5231 Comm: syz.1.166 Not tainted syzkaller #0
[  218.618052][ T5231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  218.628304][ T5231] Call Trace:
[  218.631704][ T5231]  <TASK>
[  218.634676][ T5231]  dump_stack_lvl+0x188/0x250
[  218.639482][ T5231]  ? show_regs_print_info+0x20/0x20
[  218.645239][ T5231]  ? load_image+0x410/0x410
[  218.650048][ T5231]  sysfs_create_dir_ns+0x26a/0x290
[  218.655275][ T5231]  ? sysfs_warn_dup+0xa0/0xa0
[  218.660225][ T5231]  ? do_raw_spin_unlock+0x11d/0x230
[  218.665543][ T5231]  kobject_add_internal+0x5ba/0xcd0
[  218.671333][ T5231]  kobject_init_and_add+0x128/0x190
[  218.677107][ T5231]  ? lockdep_softirqs_off+0x430/0x430
[  218.682742][ T5231]  ? kobject_add+0x230/0x230
[  218.687686][ T5231]  ? __init_swait_queue_head+0xa4/0x140
[  218.693332][ T5231]  gfs2_sys_fs_add+0x24f/0x4b0
[  218.698189][ T5231]  ? gfs2_recover_set+0x240/0x240
[  218.703258][ T5231]  ? snprintf+0xe5/0x140
[  218.707607][ T5231]  ? __free_pages+0x95/0x1a0
[  218.713067][ T5231]  ? vscnprintf+0x80/0x80
[  218.718450][ T5231]  gfs2_fill_super+0x11ed/0x1ea0
[  218.723478][ T5231]  ? gfs2_reconfigure+0xd80/0xd80
[  218.728893][ T5231]  ? sb_set_blocksize+0xa5/0xe0
[  218.734199][ T5231]  get_tree_bdev+0x3e6/0x610
[  218.738892][ T5231]  ? gfs2_reconfigure+0xd80/0xd80
[  218.744056][ T5231]  gfs2_get_tree+0x4d/0x1e0
[  218.748595][ T5231]  vfs_get_tree+0x88/0x270
[  218.753111][ T5231]  do_new_mount+0x247/0xa40
[  218.757779][ T5231]  __se_sys_mount+0x2e3/0x3d0
[  218.762821][ T5231]  ? __x64_sys_mount+0xc0/0xc0
[  218.767844][ T5231]  ? lockdep_hardirqs_on+0x94/0x140
[  218.773058][ T5231]  ? __x64_sys_mount+0x1c/0xc0
[  218.777824][ T5231]  do_syscall_64+0x4c/0xa0
[  218.782238][ T5231]  ? clear_bhb_loop+0x30/0x80
[  218.787158][ T5231]  ? clear_bhb_loop+0x30/0x80
[  218.791851][ T5231]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.797825][ T5231] RIP: 0033:0x7faf8f4bf60a
[  218.802243][ T5231] 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
[  218.822458][ T5231] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.830874][ T5231] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  218.838857][ T5231] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  218.846831][ T5231] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  218.854801][ T5231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  218.863311][ T5231] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  218.871293][ T5231]  </TASK>
[  218.876350][ T5231] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.889721][ T5231] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.211331][ T5233] loop1: detected capacity change from 0 to 32768
[  219.278004][ T5233] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.285799][ T5233] CPU: 1 PID: 5233 Comm: syz.1.167 Not tainted syzkaller #0
[  219.293482][ T5233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  219.303939][ T5233] Call Trace:
[  219.307430][ T5233]  <TASK>
[  219.310368][ T5233]  dump_stack_lvl+0x188/0x250
[  219.315065][ T5233]  ? show_regs_print_info+0x20/0x20
[  219.320532][ T5233]  ? load_image+0x410/0x410
[  219.325066][ T5233]  sysfs_create_dir_ns+0x26a/0x290
[  219.330218][ T5233]  ? sysfs_warn_dup+0xa0/0xa0
[  219.334900][ T5233]  ? do_raw_spin_unlock+0x11d/0x230
[  219.340384][ T5233]  kobject_add_internal+0x5ba/0xcd0
[  219.345699][ T5233]  kobject_init_and_add+0x128/0x190
[  219.350925][ T5233]  ? lockdep_softirqs_off+0x430/0x430
[  219.356511][ T5233]  ? kobject_add+0x230/0x230
[  219.361214][ T5233]  ? __init_swait_queue_head+0xa4/0x140
[  219.366782][ T5233]  gfs2_sys_fs_add+0x24f/0x4b0
[  219.371566][ T5233]  ? gfs2_recover_set+0x240/0x240
[  219.377366][ T5233]  ? snprintf+0xe5/0x140
[  219.382006][ T5233]  ? __free_pages+0x95/0x1a0
[  219.387083][ T5233]  ? vscnprintf+0x80/0x80
[  219.391535][ T5233]  gfs2_fill_super+0x11ed/0x1ea0
[  219.396567][ T5233]  ? gfs2_reconfigure+0xd80/0xd80
[  219.401696][ T5233]  ? sb_set_blocksize+0xa5/0xe0
[  219.406547][ T5233]  get_tree_bdev+0x3e6/0x610
[  219.411317][ T5233]  ? gfs2_reconfigure+0xd80/0xd80
[  219.416502][ T5233]  gfs2_get_tree+0x4d/0x1e0
[  219.420992][ T5233]  vfs_get_tree+0x88/0x270
[  219.425834][ T5233]  do_new_mount+0x247/0xa40
[  219.430332][ T5233]  __se_sys_mount+0x2e3/0x3d0
[  219.435085][ T5233]  ? __x64_sys_mount+0xc0/0xc0
[  219.439869][ T5233]  ? lockdep_hardirqs_on+0x94/0x140
[  219.445160][ T5233]  ? __x64_sys_mount+0x1c/0xc0
[  219.450229][ T5233]  do_syscall_64+0x4c/0xa0
[  219.455068][ T5233]  ? clear_bhb_loop+0x30/0x80
[  219.460071][ T5233]  ? clear_bhb_loop+0x30/0x80
[  219.464748][ T5233]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.471018][ T5233] RIP: 0033:0x7faf8f4bf60a
[  219.475515][ T5233] 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
[  219.495985][ T5233] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.504397][ T5233] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  219.512453][ T5233] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  219.520771][ T5233] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  219.529318][ T5233] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  219.537721][ T5233] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  219.545716][ T5233]  </TASK>
[  219.549954][ T5233] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.563725][ T5233] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.853004][ T5235] loop1: detected capacity change from 0 to 32768
[  219.916429][ T5235] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.924018][ T5235] CPU: 0 PID: 5235 Comm: syz.1.168 Not tainted syzkaller #0
[  219.931623][ T5235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  219.941787][ T5235] Call Trace:
[  219.945172][ T5235]  <TASK>
[  219.948109][ T5235]  dump_stack_lvl+0x188/0x250
[  219.952898][ T5235]  ? show_regs_print_info+0x20/0x20
[  219.958204][ T5235]  ? load_image+0x410/0x410
[  219.962738][ T5235]  sysfs_create_dir_ns+0x26a/0x290
[  219.968045][ T5235]  ? sysfs_warn_dup+0xa0/0xa0
[  219.972928][ T5235]  ? do_raw_spin_unlock+0x11d/0x230
[  219.978146][ T5235]  kobject_add_internal+0x5ba/0xcd0
[  219.983384][ T5235]  kobject_init_and_add+0x128/0x190
[  219.988939][ T5235]  ? lockdep_softirqs_off+0x430/0x430
[  219.994340][ T5235]  ? kobject_add+0x230/0x230
[  219.998946][ T5235]  ? __init_swait_queue_head+0xa4/0x140
[  220.004492][ T5235]  gfs2_sys_fs_add+0x24f/0x4b0
[  220.009377][ T5235]  ? gfs2_recover_set+0x240/0x240
[  220.014517][ T5235]  ? snprintf+0xe5/0x140
[  220.018763][ T5235]  ? __free_pages+0x95/0x1a0
[  220.023382][ T5235]  ? vscnprintf+0x80/0x80
[  220.027985][ T5235]  gfs2_fill_super+0x11ed/0x1ea0
[  220.032927][ T5235]  ? gfs2_reconfigure+0xd80/0xd80
[  220.038480][ T5235]  ? sb_set_blocksize+0xa5/0xe0
[  220.043502][ T5235]  get_tree_bdev+0x3e6/0x610
[  220.048082][ T5235]  ? gfs2_reconfigure+0xd80/0xd80
[  220.053089][ T5235]  gfs2_get_tree+0x4d/0x1e0
[  220.058105][ T5235]  vfs_get_tree+0x88/0x270
[  220.062872][ T5235]  do_new_mount+0x247/0xa40
[  220.067596][ T5235]  __se_sys_mount+0x2e3/0x3d0
[  220.072315][ T5235]  ? __x64_sys_mount+0xc0/0xc0
[  220.077091][ T5235]  ? lockdep_hardirqs_on+0x94/0x140
[  220.082468][ T5235]  ? __x64_sys_mount+0x1c/0xc0
[  220.087453][ T5235]  do_syscall_64+0x4c/0xa0
[  220.091984][ T5235]  ? clear_bhb_loop+0x30/0x80
[  220.097433][ T5235]  ? clear_bhb_loop+0x30/0x80
[  220.102509][ T5235]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.108982][ T5235] RIP: 0033:0x7faf8f4bf60a
[  220.113512][ T5235] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  220.134399][ T5235] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.143357][ T5235] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  220.152271][ T5235] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  220.160266][ T5235] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  220.168342][ T5235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.176367][ T5235] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  220.184348][ T5235]  </TASK>
[  220.192339][ T5235] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.207384][ T5235] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.518421][ T5237] loop1: detected capacity change from 0 to 32768
[  220.568600][ T5237] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.576547][ T5237] CPU: 0 PID: 5237 Comm: syz.1.169 Not tainted syzkaller #0
[  220.583951][ T5237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  220.594190][ T5237] Call Trace:
[  220.597495][ T5237]  <TASK>
[  220.600432][ T5237]  dump_stack_lvl+0x188/0x250
[  220.605132][ T5237]  ? show_regs_print_info+0x20/0x20
[  220.610625][ T5237]  ? load_image+0x410/0x410
[  220.615182][ T5237]  sysfs_create_dir_ns+0x26a/0x290
[  220.620321][ T5237]  ? sysfs_warn_dup+0xa0/0xa0
[  220.625028][ T5237]  ? do_raw_spin_unlock+0x11d/0x230
[  220.630260][ T5237]  kobject_add_internal+0x5ba/0xcd0
[  220.635575][ T5237]  kobject_init_and_add+0x128/0x190
[  220.640989][ T5237]  ? lockdep_softirqs_off+0x430/0x430
[  220.646683][ T5237]  ? kobject_add+0x230/0x230
[  220.651418][ T5237]  ? __init_swait_queue_head+0xa4/0x140
[  220.657154][ T5237]  gfs2_sys_fs_add+0x24f/0x4b0
[  220.661954][ T5237]  ? gfs2_recover_set+0x240/0x240
[  220.666965][ T5237]  ? snprintf+0xe5/0x140
[  220.671200][ T5237]  ? __free_pages+0x95/0x1a0
[  220.675800][ T5237]  ? vscnprintf+0x80/0x80
[  220.680129][ T5237]  gfs2_fill_super+0x11ed/0x1ea0
[  220.685487][ T5237]  ? gfs2_reconfigure+0xd80/0xd80
[  220.690561][ T5237]  ? sb_set_blocksize+0xa5/0xe0
[  220.695447][ T5237]  get_tree_bdev+0x3e6/0x610
[  220.700264][ T5237]  ? gfs2_reconfigure+0xd80/0xd80
[  220.705389][ T5237]  gfs2_get_tree+0x4d/0x1e0
[  220.710268][ T5237]  vfs_get_tree+0x88/0x270
[  220.714806][ T5237]  do_new_mount+0x247/0xa40
[  220.720131][ T5237]  __se_sys_mount+0x2e3/0x3d0
[  220.728028][ T5237]  ? __x64_sys_mount+0xc0/0xc0
[  220.732973][ T5237]  ? lockdep_hardirqs_on+0x94/0x140
[  220.738489][ T5237]  ? __x64_sys_mount+0x1c/0xc0
[  220.743402][ T5237]  do_syscall_64+0x4c/0xa0
[  220.748002][ T5237]  ? clear_bhb_loop+0x30/0x80
[  220.752966][ T5237]  ? clear_bhb_loop+0x30/0x80
[  220.758158][ T5237]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.765216][ T5237] RIP: 0033:0x7faf8f4bf60a
[  220.769665][ T5237] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  220.789788][ T5237] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.798373][ T5237] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  220.806437][ T5237] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  220.814398][ T5237] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  220.822673][ T5237] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  220.831079][ T5237] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  220.839089][ T5237]  </TASK>
[  220.843812][ T5237] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.857460][ T5237] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 11:58:38 executed programs: 155
[  221.168909][ T5239] loop1: detected capacity change from 0 to 32768
[  221.211416][ T5239] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.228944][ T5239] CPU: 1 PID: 5239 Comm: syz.1.170 Not tainted syzkaller #0
[  221.236443][ T5239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  221.246612][ T5239] Call Trace:
[  221.249920][ T5239]  <TASK>
[  221.252977][ T5239]  dump_stack_lvl+0x188/0x250
[  221.257817][ T5239]  ? show_regs_print_info+0x20/0x20
[  221.263151][ T5239]  ? load_image+0x410/0x410
[  221.267689][ T5239]  sysfs_create_dir_ns+0x26a/0x290
[  221.272834][ T5239]  ? sysfs_warn_dup+0xa0/0xa0
[  221.277625][ T5239]  ? do_raw_spin_unlock+0x11d/0x230
[  221.283166][ T5239]  kobject_add_internal+0x5ba/0xcd0
[  221.288682][ T5239]  kobject_init_and_add+0x128/0x190
[  221.293929][ T5239]  ? lockdep_softirqs_off+0x430/0x430
[  221.299448][ T5239]  ? kobject_add+0x230/0x230
[  221.304086][ T5239]  ? __init_swait_queue_head+0xa4/0x140
[  221.309665][ T5239]  gfs2_sys_fs_add+0x24f/0x4b0
[  221.314705][ T5239]  ? gfs2_recover_set+0x240/0x240
[  221.319765][ T5239]  ? snprintf+0xe5/0x140
[  221.324026][ T5239]  ? __free_pages+0x95/0x1a0
[  221.328902][ T5239]  ? vscnprintf+0x80/0x80
[  221.333344][ T5239]  gfs2_fill_super+0x11ed/0x1ea0
[  221.338279][ T5239]  ? gfs2_reconfigure+0xd80/0xd80
[  221.343303][ T5239]  ? sb_set_blocksize+0xa5/0xe0
[  221.348230][ T5239]  get_tree_bdev+0x3e6/0x610
[  221.352833][ T5239]  ? gfs2_reconfigure+0xd80/0xd80
[  221.357934][ T5239]  gfs2_get_tree+0x4d/0x1e0
[  221.362436][ T5239]  vfs_get_tree+0x88/0x270
[  221.366845][ T5239]  do_new_mount+0x247/0xa40
[  221.371392][ T5239]  __se_sys_mount+0x2e3/0x3d0
[  221.376068][ T5239]  ? __x64_sys_mount+0xc0/0xc0
[  221.380828][ T5239]  ? lockdep_hardirqs_on+0x94/0x140
[  221.386102][ T5239]  ? __x64_sys_mount+0x1c/0xc0
[  221.390946][ T5239]  do_syscall_64+0x4c/0xa0
[  221.395354][ T5239]  ? clear_bhb_loop+0x30/0x80
[  221.400015][ T5239]  ? clear_bhb_loop+0x30/0x80
[  221.404683][ T5239]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.410559][ T5239] RIP: 0033:0x7faf8f4bf60a
[  221.414965][ T5239] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  221.434754][ T5239] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.443187][ T5239] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  221.451162][ T5239] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  221.459225][ T5239] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  221.467497][ T5239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  221.475570][ T5239] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  221.483654][ T5239]  </TASK>
[  221.488382][ T5239] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.501851][ T5239] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.822602][ T5241] loop1: detected capacity change from 0 to 32768
[  221.872074][ T5241] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.883267][ T5241] CPU: 1 PID: 5241 Comm: syz.1.171 Not tainted syzkaller #0
[  221.890684][ T5241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  221.900956][ T5241] Call Trace:
[  221.904380][ T5241]  <TASK>
[  221.907510][ T5241]  dump_stack_lvl+0x188/0x250
[  221.912305][ T5241]  ? show_regs_print_info+0x20/0x20
[  221.917874][ T5241]  ? load_image+0x410/0x410
[  221.922427][ T5241]  sysfs_create_dir_ns+0x26a/0x290
[  221.927683][ T5241]  ? sysfs_warn_dup+0xa0/0xa0
[  221.932413][ T5241]  ? do_raw_spin_unlock+0x11d/0x230
[  221.937823][ T5241]  kobject_add_internal+0x5ba/0xcd0
[  221.943056][ T5241]  kobject_init_and_add+0x128/0x190
[  221.948287][ T5241]  ? lockdep_softirqs_off+0x430/0x430
[  221.953862][ T5241]  ? kobject_add+0x230/0x230
[  221.958606][ T5241]  ? __init_swait_queue_head+0xa4/0x140
[  221.964178][ T5241]  gfs2_sys_fs_add+0x24f/0x4b0
[  221.968953][ T5241]  ? gfs2_recover_set+0x240/0x240
[  221.974059][ T5241]  ? snprintf+0xe5/0x140
[  221.978284][ T5241]  ? __free_pages+0x95/0x1a0
[  221.982869][ T5241]  ? vscnprintf+0x80/0x80
[  221.987190][ T5241]  gfs2_fill_super+0x11ed/0x1ea0
[  221.992295][ T5241]  ? gfs2_reconfigure+0xd80/0xd80
[  221.997328][ T5241]  ? sb_set_blocksize+0xa5/0xe0
[  222.002185][ T5241]  get_tree_bdev+0x3e6/0x610
[  222.006770][ T5241]  ? gfs2_reconfigure+0xd80/0xd80
[  222.011915][ T5241]  gfs2_get_tree+0x4d/0x1e0
[  222.016431][ T5241]  vfs_get_tree+0x88/0x270
[  222.020971][ T5241]  do_new_mount+0x247/0xa40
[  222.025683][ T5241]  __se_sys_mount+0x2e3/0x3d0
[  222.030444][ T5241]  ? __x64_sys_mount+0xc0/0xc0
[  222.035286][ T5241]  ? lockdep_hardirqs_on+0x94/0x140
[  222.040492][ T5241]  ? __x64_sys_mount+0x1c/0xc0
[  222.045259][ T5241]  do_syscall_64+0x4c/0xa0
[  222.049858][ T5241]  ? clear_bhb_loop+0x30/0x80
[  222.054702][ T5241]  ? clear_bhb_loop+0x30/0x80
[  222.059674][ T5241]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.066260][ T5241] RIP: 0033:0x7faf8f4bf60a
[  222.070783][ T5241] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  222.091825][ T5241] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.100470][ T5241] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  222.108846][ T5241] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  222.116915][ T5241] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  222.125194][ T5241] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.133722][ T5241] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  222.141909][ T5241]  </TASK>
[  222.146962][ T1107] Bluetooth: hci0: command 0x0406 tx timeout
[  222.150389][ T5241] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.168746][ T5241] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.495698][ T5243] loop1: detected capacity change from 0 to 32768
[  222.548020][ T5243] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.555787][ T5243] CPU: 0 PID: 5243 Comm: syz.1.172 Not tainted syzkaller #0
[  222.563260][ T5243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  222.573847][ T5243] Call Trace:
[  222.577161][ T5243]  <TASK>
[  222.580186][ T5243]  dump_stack_lvl+0x188/0x250
[  222.585153][ T5243]  ? show_regs_print_info+0x20/0x20
[  222.590464][ T5243]  ? load_image+0x410/0x410
[  222.595095][ T5243]  sysfs_create_dir_ns+0x26a/0x290
[  222.600313][ T5243]  ? sysfs_warn_dup+0xa0/0xa0
[  222.605098][ T5243]  ? do_raw_spin_unlock+0x11d/0x230
[  222.610550][ T5243]  kobject_add_internal+0x5ba/0xcd0
[  222.615962][ T5243]  kobject_init_and_add+0x128/0x190
[  222.621272][ T5243]  ? lockdep_softirqs_off+0x430/0x430
[  222.627190][ T5243]  ? kobject_add+0x230/0x230
[  222.631919][ T5243]  ? __init_swait_queue_head+0xa4/0x140
[  222.637809][ T5243]  gfs2_sys_fs_add+0x24f/0x4b0
[  222.642864][ T5243]  ? gfs2_recover_set+0x240/0x240
[  222.648174][ T5243]  ? snprintf+0xe5/0x140
[  222.652422][ T5243]  ? __free_pages+0x95/0x1a0
[  222.657164][ T5243]  ? vscnprintf+0x80/0x80
[  222.661649][ T5243]  gfs2_fill_super+0x11ed/0x1ea0
[  222.666597][ T5243]  ? gfs2_reconfigure+0xd80/0xd80
[  222.671886][ T5243]  ? sb_set_blocksize+0xa5/0xe0
[  222.676826][ T5243]  get_tree_bdev+0x3e6/0x610
[  222.681433][ T5243]  ? gfs2_reconfigure+0xd80/0xd80
[  222.686597][ T5243]  gfs2_get_tree+0x4d/0x1e0
[  222.691113][ T5243]  vfs_get_tree+0x88/0x270
[  222.695603][ T5243]  do_new_mount+0x247/0xa40
[  222.700375][ T5243]  __se_sys_mount+0x2e3/0x3d0
[  222.705142][ T5243]  ? __x64_sys_mount+0xc0/0xc0
[  222.709898][ T5243]  ? lockdep_hardirqs_on+0x94/0x140
[  222.715225][ T5243]  ? __x64_sys_mount+0x1c/0xc0
[  222.720128][ T5243]  do_syscall_64+0x4c/0xa0
[  222.724644][ T5243]  ? clear_bhb_loop+0x30/0x80
[  222.729779][ T5243]  ? clear_bhb_loop+0x30/0x80
[  222.734686][ T5243]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.741477][ T5243] RIP: 0033:0x7faf8f4bf60a
[  222.746268][ T5243] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  222.767004][ T5243] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.775781][ T5243] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  222.784199][ T5243] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  222.792265][ T5243] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  222.800554][ T5243] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  222.808991][ T5243] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  222.817093][ T5243]  </TASK>
[  222.823223][ T5243] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.836644][ T5243] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.145895][ T5245] loop1: detected capacity change from 0 to 32768
[  223.194662][ T5245] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.203485][ T5245] CPU: 0 PID: 5245 Comm: syz.1.173 Not tainted syzkaller #0
[  223.211140][ T5245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  223.221581][ T5245] Call Trace:
[  223.225477][ T5245]  <TASK>
[  223.229078][ T5245]  dump_stack_lvl+0x188/0x250
[  223.234365][ T5245]  ? show_regs_print_info+0x20/0x20
[  223.240434][ T5245]  ? load_image+0x410/0x410
[  223.245184][ T5245]  sysfs_create_dir_ns+0x26a/0x290
[  223.250338][ T5245]  ? sysfs_warn_dup+0xa0/0xa0
[  223.255782][ T5245]  ? do_raw_spin_unlock+0x11d/0x230
[  223.262204][ T5245]  kobject_add_internal+0x5ba/0xcd0
[  223.268694][ T5245]  kobject_init_and_add+0x128/0x190
[  223.274179][ T5245]  ? lockdep_softirqs_off+0x430/0x430
[  223.280978][ T5245]  ? kobject_add+0x230/0x230
[  223.285708][ T5245]  ? __init_swait_queue_head+0xa4/0x140
[  223.292085][ T5245]  gfs2_sys_fs_add+0x24f/0x4b0
[  223.297650][ T5245]  ? gfs2_recover_set+0x240/0x240
[  223.302861][ T5245]  ? snprintf+0xe5/0x140
[  223.307204][ T5245]  ? __free_pages+0x95/0x1a0
[  223.311895][ T5245]  ? vscnprintf+0x80/0x80
[  223.316437][ T5245]  gfs2_fill_super+0x11ed/0x1ea0
[  223.321827][ T5245]  ? gfs2_reconfigure+0xd80/0xd80
[  223.327081][ T5245]  ? sb_set_blocksize+0xa5/0xe0
[  223.332335][ T5245]  get_tree_bdev+0x3e6/0x610
[  223.337447][ T5245]  ? gfs2_reconfigure+0xd80/0xd80
[  223.342713][ T5245]  gfs2_get_tree+0x4d/0x1e0
[  223.347609][ T5245]  vfs_get_tree+0x88/0x270
[  223.352248][ T5245]  do_new_mount+0x247/0xa40
[  223.356884][ T5245]  __se_sys_mount+0x2e3/0x3d0
[  223.361949][ T5245]  ? __x64_sys_mount+0xc0/0xc0
[  223.366733][ T5245]  ? lockdep_hardirqs_on+0x94/0x140
[  223.372108][ T5245]  ? __x64_sys_mount+0x1c/0xc0
[  223.376898][ T5245]  do_syscall_64+0x4c/0xa0
[  223.381417][ T5245]  ? clear_bhb_loop+0x30/0x80
[  223.386221][ T5245]  ? clear_bhb_loop+0x30/0x80
[  223.390916][ T5245]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.396990][ T5245] RIP: 0033:0x7faf8f4bf60a
[  223.401396][ T5245] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  223.421514][ T5245] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.430208][ T5245] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  223.438458][ T5245] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  223.446569][ T5245] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  223.454626][ T5245] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  223.462676][ T5245] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  223.470649][ T5245]  </TASK>
[  223.480829][ T5245] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.494309][ T5245] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.804644][ T5248] loop1: detected capacity change from 0 to 32768
[  223.847273][ T5248] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.855058][ T5248] CPU: 1 PID: 5248 Comm: syz.1.174 Not tainted syzkaller #0
[  223.862932][ T5248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  223.873183][ T5248] Call Trace:
[  223.876655][ T5248]  <TASK>
[  223.880020][ T5248]  dump_stack_lvl+0x188/0x250
[  223.885681][ T5248]  ? show_regs_print_info+0x20/0x20
[  223.890988][ T5248]  ? load_image+0x410/0x410
[  223.895526][ T5248]  sysfs_create_dir_ns+0x26a/0x290
[  223.900741][ T5248]  ? sysfs_warn_dup+0xa0/0xa0
[  223.905524][ T5248]  ? do_raw_spin_unlock+0x11d/0x230
[  223.910914][ T5248]  kobject_add_internal+0x5ba/0xcd0
[  223.916330][ T5248]  kobject_init_and_add+0x128/0x190
[  223.921640][ T5248]  ? lockdep_softirqs_off+0x430/0x430
[  223.927193][ T5248]  ? kobject_add+0x230/0x230
[  223.931908][ T5248]  ? __init_swait_queue_head+0xa4/0x140
[  223.937832][ T5248]  gfs2_sys_fs_add+0x24f/0x4b0
[  223.942839][ T5248]  ? gfs2_recover_set+0x240/0x240
[  223.947954][ T5248]  ? snprintf+0xe5/0x140
[  223.952449][ T5248]  ? __free_pages+0x95/0x1a0
[  223.957023][ T5248]  ? vscnprintf+0x80/0x80
[  223.961349][ T5248]  gfs2_fill_super+0x11ed/0x1ea0
[  223.966372][ T5248]  ? gfs2_reconfigure+0xd80/0xd80
[  223.971391][ T5248]  ? sb_set_blocksize+0xa5/0xe0
[  223.976328][ T5248]  get_tree_bdev+0x3e6/0x610
[  223.981085][ T5248]  ? gfs2_reconfigure+0xd80/0xd80
[  223.986486][ T5248]  gfs2_get_tree+0x4d/0x1e0
[  223.991175][ T5248]  vfs_get_tree+0x88/0x270
[  223.996090][ T5248]  do_new_mount+0x247/0xa40
[  224.000927][ T5248]  __se_sys_mount+0x2e3/0x3d0
[  224.005750][ T5248]  ? __x64_sys_mount+0xc0/0xc0
[  224.010826][ T5248]  ? lockdep_hardirqs_on+0x94/0x140
[  224.016129][ T5248]  ? __x64_sys_mount+0x1c/0xc0
[  224.020901][ T5248]  do_syscall_64+0x4c/0xa0
[  224.025450][ T5248]  ? clear_bhb_loop+0x30/0x80
[  224.030375][ T5248]  ? clear_bhb_loop+0x30/0x80
[  224.035164][ T5248]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.041316][ T5248] RIP: 0033:0x7faf8f4bf60a
[  224.046165][ T5248] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  224.066699][ T5248] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.075201][ T5248] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  224.084038][ T5248] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  224.092444][ T5248] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  224.101044][ T5248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.109106][ T5248] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  224.117080][ T5248]  </TASK>
[  224.121646][ T5248] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.137559][ T5248] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  224.461557][ T5252] loop1: detected capacity change from 0 to 32768
[  224.510430][ T5252] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.518266][ T5252] CPU: 0 PID: 5252 Comm: syz.1.175 Not tainted syzkaller #0
[  224.525579][ T5252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  224.535657][ T5252] Call Trace:
[  224.539227][ T5252]  <TASK>
[  224.542362][ T5252]  dump_stack_lvl+0x188/0x250
[  224.547082][ T5252]  ? show_regs_print_info+0x20/0x20
[  224.552304][ T5252]  ? load_image+0x410/0x410
[  224.556836][ T5252]  sysfs_create_dir_ns+0x26a/0x290
[  224.561998][ T5252]  ? sysfs_warn_dup+0xa0/0xa0
[  224.566725][ T5252]  ? do_raw_spin_unlock+0x11d/0x230
[  224.572078][ T5252]  kobject_add_internal+0x5ba/0xcd0
[  224.577397][ T5252]  kobject_init_and_add+0x128/0x190
[  224.582625][ T5252]  ? lockdep_softirqs_off+0x430/0x430
[  224.588030][ T5252]  ? kobject_add+0x230/0x230
[  224.592738][ T5252]  ? __init_swait_queue_head+0xa4/0x140
[  224.598392][ T5252]  gfs2_sys_fs_add+0x24f/0x4b0
[  224.603253][ T5252]  ? gfs2_recover_set+0x240/0x240
[  224.608368][ T5252]  ? snprintf+0xe5/0x140
[  224.612620][ T5252]  ? __free_pages+0x95/0x1a0
[  224.617228][ T5252]  ? vscnprintf+0x80/0x80
[  224.621566][ T5252]  gfs2_fill_super+0x11ed/0x1ea0
[  224.627042][ T5252]  ? gfs2_reconfigure+0xd80/0xd80
[  224.632190][ T5252]  ? sb_set_blocksize+0xa5/0xe0
[  224.637038][ T5252]  get_tree_bdev+0x3e6/0x610
[  224.641667][ T5252]  ? gfs2_reconfigure+0xd80/0xd80
[  224.646876][ T5252]  gfs2_get_tree+0x4d/0x1e0
[  224.651383][ T5252]  vfs_get_tree+0x88/0x270
[  224.655784][ T5252]  do_new_mount+0x247/0xa40
[  224.660272][ T5252]  __se_sys_mount+0x2e3/0x3d0
[  224.664940][ T5252]  ? __x64_sys_mount+0xc0/0xc0
[  224.669692][ T5252]  ? lockdep_hardirqs_on+0x94/0x140
[  224.675026][ T5252]  ? __x64_sys_mount+0x1c/0xc0
[  224.679823][ T5252]  do_syscall_64+0x4c/0xa0
[  224.684413][ T5252]  ? clear_bhb_loop+0x30/0x80
[  224.689368][ T5252]  ? clear_bhb_loop+0x30/0x80
[  224.694041][ T5252]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.699931][ T5252] RIP: 0033:0x7faf8f4bf60a
[  224.704471][ T5252] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  224.724895][ T5252] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.733515][ T5252] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  224.742033][ T5252] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  224.750474][ T5252] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  224.758530][ T5252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  224.766763][ T5252] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  224.774847][ T5252]  </TASK>
[  224.778660][ T5252] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.792270][ T5252] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.117412][ T5254] loop1: detected capacity change from 0 to 32768
[  225.156422][ T5254] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.164285][ T5254] CPU: 1 PID: 5254 Comm: syz.1.176 Not tainted syzkaller #0
[  225.172293][ T5254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  225.182514][ T5254] Call Trace:
[  225.185879][ T5254]  <TASK>
[  225.188850][ T5254]  dump_stack_lvl+0x188/0x250
[  225.193660][ T5254]  ? show_regs_print_info+0x20/0x20
[  225.198902][ T5254]  ? load_image+0x410/0x410
[  225.203706][ T5254]  sysfs_create_dir_ns+0x26a/0x290
[  225.208846][ T5254]  ? sysfs_warn_dup+0xa0/0xa0
[  225.213933][ T5254]  ? do_raw_spin_unlock+0x11d/0x230
[  225.219432][ T5254]  kobject_add_internal+0x5ba/0xcd0
[  225.224762][ T5254]  kobject_init_and_add+0x128/0x190
[  225.230770][ T5254]  ? lockdep_softirqs_off+0x430/0x430
[  225.236184][ T5254]  ? kobject_add+0x230/0x230
[  225.240810][ T5254]  ? __init_swait_queue_head+0xa4/0x140
[  225.246512][ T5254]  gfs2_sys_fs_add+0x24f/0x4b0
[  225.251583][ T5254]  ? gfs2_recover_set+0x240/0x240
[  225.256730][ T5254]  ? snprintf+0xe5/0x140
[  225.261899][ T5254]  ? __free_pages+0x95/0x1a0
[  225.266816][ T5254]  ? vscnprintf+0x80/0x80
[  225.271265][ T5254]  gfs2_fill_super+0x11ed/0x1ea0
[  225.276539][ T5254]  ? gfs2_reconfigure+0xd80/0xd80
[  225.281841][ T5254]  ? sb_set_blocksize+0xa5/0xe0
[  225.286706][ T5254]  get_tree_bdev+0x3e6/0x610
[  225.291617][ T5254]  ? gfs2_reconfigure+0xd80/0xd80
[  225.296926][ T5254]  gfs2_get_tree+0x4d/0x1e0
[  225.301745][ T5254]  vfs_get_tree+0x88/0x270
[  225.306346][ T5254]  do_new_mount+0x247/0xa40
[  225.311089][ T5254]  __se_sys_mount+0x2e3/0x3d0
[  225.315781][ T5254]  ? __x64_sys_mount+0xc0/0xc0
[  225.320625][ T5254]  ? lockdep_hardirqs_on+0x94/0x140
[  225.326326][ T5254]  ? __x64_sys_mount+0x1c/0xc0
[  225.331690][ T5254]  do_syscall_64+0x4c/0xa0
[  225.336980][ T5254]  ? clear_bhb_loop+0x30/0x80
[  225.341765][ T5254]  ? clear_bhb_loop+0x30/0x80
[  225.346453][ T5254]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.352526][ T5254] RIP: 0033:0x7faf8f4bf60a
[  225.357026][ T5254] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  225.377154][ T5254] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.386838][ T5254] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  225.395389][ T5254] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  225.403394][ T5254] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  225.411370][ T5254] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  225.419681][ T5254] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  225.427671][ T5254]  </TASK>
[  225.431717][ T5254] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.446632][ T5254] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.754334][ T5256] loop1: detected capacity change from 0 to 32768
[  225.799317][ T5256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.806853][ T5256] CPU: 0 PID: 5256 Comm: syz.1.177 Not tainted syzkaller #0
[  225.814332][ T5256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  225.824405][ T5256] Call Trace:
[  225.827693][ T5256]  <TASK>
[  225.830856][ T5256]  dump_stack_lvl+0x188/0x250
[  225.836303][ T5256]  ? show_regs_print_info+0x20/0x20
[  225.841792][ T5256]  ? load_image+0x410/0x410
[  225.846399][ T5256]  sysfs_create_dir_ns+0x26a/0x290
[  225.851517][ T5256]  ? sysfs_warn_dup+0xa0/0xa0
[  225.856454][ T5256]  ? do_raw_spin_unlock+0x11d/0x230
[  225.861759][ T5256]  kobject_add_internal+0x5ba/0xcd0
[  225.867131][ T5256]  kobject_init_and_add+0x128/0x190
[  225.872476][ T5256]  ? lockdep_softirqs_off+0x430/0x430
[  225.877939][ T5256]  ? kobject_add+0x230/0x230
[  225.882523][ T5256]  ? __init_swait_queue_head+0xa4/0x140
[  225.888152][ T5256]  gfs2_sys_fs_add+0x24f/0x4b0
[  225.892900][ T5256]  ? gfs2_recover_set+0x240/0x240
[  225.898105][ T5256]  ? snprintf+0xe5/0x140
[  225.902449][ T5256]  ? __free_pages+0x95/0x1a0
[  225.907035][ T5256]  ? vscnprintf+0x80/0x80
[  225.911361][ T5256]  gfs2_fill_super+0x11ed/0x1ea0
[  225.916431][ T5256]  ? gfs2_reconfigure+0xd80/0xd80
[  225.921586][ T5256]  ? sb_set_blocksize+0xa5/0xe0
[  225.926672][ T5256]  get_tree_bdev+0x3e6/0x610
[  225.931479][ T5256]  ? gfs2_reconfigure+0xd80/0xd80
[  225.936515][ T5256]  gfs2_get_tree+0x4d/0x1e0
[  225.941023][ T5256]  vfs_get_tree+0x88/0x270
[  225.945435][ T5256]  do_new_mount+0x247/0xa40
[  225.950071][ T5256]  __se_sys_mount+0x2e3/0x3d0
[  225.954748][ T5256]  ? __x64_sys_mount+0xc0/0xc0
[  225.959508][ T5256]  ? lockdep_hardirqs_on+0x94/0x140
[  225.964683][ T5256]  ? __x64_sys_mount+0x1c/0xc0
[  225.969474][ T5256]  do_syscall_64+0x4c/0xa0
[  225.973899][ T5256]  ? clear_bhb_loop+0x30/0x80
[  225.978569][ T5256]  ? clear_bhb_loop+0x30/0x80
[  225.983234][ T5256]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.989204][ T5256] RIP: 0033:0x7faf8f4bf60a
[  225.993613][ T5256] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  226.013611][ T5256] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.022104][ T5256] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  226.030073][ T5256] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  226.038039][ T5256] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  226.046018][ T5256] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.054059][ T5256] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  226.062091][ T5256]  </TASK>
[  226.066733][ T5256] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.080044][ T5256] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 11:58:43 executed programs: 163
[  226.424230][ T5258] loop1: detected capacity change from 0 to 32768
[  226.435746][ T5258] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.443422][ T5258] CPU: 0 PID: 5258 Comm: syz.1.178 Not tainted syzkaller #0
[  226.451279][ T5258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  226.461697][ T5258] Call Trace:
[  226.465105][ T5258]  <TASK>
[  226.468053][ T5258]  dump_stack_lvl+0x188/0x250
[  226.473103][ T5258]  ? show_regs_print_info+0x20/0x20
[  226.478835][ T5258]  ? load_image+0x410/0x410
[  226.483893][ T5258]  sysfs_create_dir_ns+0x26a/0x290
[  226.489717][ T5258]  ? sysfs_warn_dup+0xa0/0xa0
[  226.495938][ T5258]  ? do_raw_spin_unlock+0x11d/0x230
[  226.501392][ T5258]  kobject_add_internal+0x5ba/0xcd0
[  226.507036][ T5258]  kobject_init_and_add+0x128/0x190
[  226.512979][ T5258]  ? lockdep_softirqs_off+0x430/0x430
[  226.518695][ T5258]  ? kobject_add+0x230/0x230
[  226.523384][ T5258]  ? __init_swait_queue_head+0xa4/0x140
[  226.529366][ T5258]  gfs2_sys_fs_add+0x24f/0x4b0
[  226.534155][ T5258]  ? gfs2_recover_set+0x240/0x240
[  226.539732][ T5258]  ? snprintf+0xe5/0x140
[  226.543984][ T5258]  ? __free_pages+0x95/0x1a0
[  226.548662][ T5258]  ? vscnprintf+0x80/0x80
[  226.553297][ T5258]  gfs2_fill_super+0x11ed/0x1ea0
[  226.558700][ T5258]  ? gfs2_reconfigure+0xd80/0xd80
[  226.563754][ T5258]  ? sb_set_blocksize+0xa5/0xe0
[  226.568801][ T5258]  get_tree_bdev+0x3e6/0x610
[  226.573549][ T5258]  ? gfs2_reconfigure+0xd80/0xd80
[  226.578875][ T5258]  gfs2_get_tree+0x4d/0x1e0
[  226.583511][ T5258]  vfs_get_tree+0x88/0x270
[  226.588297][ T5258]  do_new_mount+0x247/0xa40
[  226.592810][ T5258]  __se_sys_mount+0x2e3/0x3d0
[  226.597514][ T5258]  ? __x64_sys_mount+0xc0/0xc0
[  226.602395][ T5258]  ? lockdep_hardirqs_on+0x94/0x140
[  226.607579][ T5258]  ? __x64_sys_mount+0x1c/0xc0
[  226.612630][ T5258]  do_syscall_64+0x4c/0xa0
[  226.617033][ T5258]  ? clear_bhb_loop+0x30/0x80
[  226.621926][ T5258]  ? clear_bhb_loop+0x30/0x80
[  226.626683][ T5258]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.632780][ T5258] RIP: 0033:0x7faf8f4bf60a
[  226.637186][ T5258] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  226.656865][ T5258] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.665642][ T5258] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  226.673693][ T5258] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  226.681734][ T5258] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  226.689974][ T5258] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  226.697949][ T5258] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  226.706363][ T5258]  </TASK>
[  226.715604][ T5258] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.730197][ T5258] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.029528][ T5262] loop1: detected capacity change from 0 to 32768
[  227.086380][ T5262] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.093786][ T5262] CPU: 0 PID: 5262 Comm: syz.1.179 Not tainted syzkaller #0
[  227.101080][ T5262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  227.111236][ T5262] Call Trace:
[  227.114617][ T5262]  <TASK>
[  227.117562][ T5262]  dump_stack_lvl+0x188/0x250
[  227.122257][ T5262]  ? show_regs_print_info+0x20/0x20
[  227.127474][ T5262]  ? load_image+0x410/0x410
[  227.132019][ T5262]  sysfs_create_dir_ns+0x26a/0x290
[  227.137255][ T5262]  ? sysfs_warn_dup+0xa0/0xa0
[  227.142043][ T5262]  ? do_raw_spin_unlock+0x11d/0x230
[  227.147252][ T5262]  kobject_add_internal+0x5ba/0xcd0
[  227.152995][ T5262]  kobject_init_and_add+0x128/0x190
[  227.158338][ T5262]  ? lockdep_softirqs_off+0x430/0x430
[  227.163736][ T5262]  ? kobject_add+0x230/0x230
[  227.168346][ T5262]  ? __init_swait_queue_head+0xa4/0x140
[  227.173903][ T5262]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.178748][ T5262]  ? gfs2_recover_set+0x240/0x240
[  227.183759][ T5262]  ? snprintf+0xe5/0x140
[  227.187987][ T5262]  ? __free_pages+0x95/0x1a0
[  227.192715][ T5262]  ? vscnprintf+0x80/0x80
[  227.197309][ T5262]  gfs2_fill_super+0x11ed/0x1ea0
[  227.202410][ T5262]  ? gfs2_reconfigure+0xd80/0xd80
[  227.207703][ T5262]  ? sb_set_blocksize+0xa5/0xe0
[  227.212712][ T5262]  get_tree_bdev+0x3e6/0x610
[  227.217389][ T5262]  ? gfs2_reconfigure+0xd80/0xd80
[  227.222395][ T5262]  gfs2_get_tree+0x4d/0x1e0
[  227.226880][ T5262]  vfs_get_tree+0x88/0x270
[  227.231300][ T5262]  do_new_mount+0x247/0xa40
[  227.235914][ T5262]  __se_sys_mount+0x2e3/0x3d0
[  227.240877][ T5262]  ? __x64_sys_mount+0xc0/0xc0
[  227.245638][ T5262]  ? lockdep_hardirqs_on+0x94/0x140
[  227.250829][ T5262]  ? __x64_sys_mount+0x1c/0xc0
[  227.255578][ T5262]  do_syscall_64+0x4c/0xa0
[  227.259976][ T5262]  ? clear_bhb_loop+0x30/0x80
[  227.265017][ T5262]  ? clear_bhb_loop+0x30/0x80
[  227.269803][ T5262]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.275778][ T5262] RIP: 0033:0x7faf8f4bf60a
[  227.280337][ T5262] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  227.300414][ T5262] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.309083][ T5262] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  227.317042][ T5262] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  227.324999][ T5262] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  227.333067][ T5262] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.341021][ T5262] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  227.348987][ T5262]  </TASK>
[  227.353187][ T5262] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.366564][ T5262] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.684512][ T5265] loop1: detected capacity change from 0 to 32768
[  227.728649][ T5265] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.737688][ T5265] CPU: 1 PID: 5265 Comm: syz.1.180 Not tainted syzkaller #0
[  227.745509][ T5265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  227.755863][ T5265] Call Trace:
[  227.759157][ T5265]  <TASK>
[  227.762244][ T5265]  dump_stack_lvl+0x188/0x250
[  227.767735][ T5265]  ? show_regs_print_info+0x20/0x20
[  227.772954][ T5265]  ? load_image+0x410/0x410
[  227.777663][ T5265]  sysfs_create_dir_ns+0x26a/0x290
[  227.783097][ T5265]  ? sysfs_warn_dup+0xa0/0xa0
[  227.788169][ T5265]  ? do_raw_spin_unlock+0x11d/0x230
[  227.793536][ T5265]  kobject_add_internal+0x5ba/0xcd0
[  227.798764][ T5265]  kobject_init_and_add+0x128/0x190
[  227.803977][ T5265]  ? lockdep_softirqs_off+0x430/0x430
[  227.809634][ T5265]  ? kobject_add+0x230/0x230
[  227.814430][ T5265]  ? __init_swait_queue_head+0xa4/0x140
[  227.819998][ T5265]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.824788][ T5265]  ? gfs2_recover_set+0x240/0x240
[  227.829827][ T5265]  ? snprintf+0xe5/0x140
[  227.834091][ T5265]  ? __free_pages+0x95/0x1a0
[  227.838968][ T5265]  ? vscnprintf+0x80/0x80
[  227.843564][ T5265]  gfs2_fill_super+0x11ed/0x1ea0
[  227.848695][ T5265]  ? gfs2_reconfigure+0xd80/0xd80
[  227.853900][ T5265]  ? sb_set_blocksize+0xa5/0xe0
[  227.858920][ T5265]  get_tree_bdev+0x3e6/0x610
[  227.863838][ T5265]  ? gfs2_reconfigure+0xd80/0xd80
[  227.869126][ T5265]  gfs2_get_tree+0x4d/0x1e0
[  227.874044][ T5265]  vfs_get_tree+0x88/0x270
[  227.878474][ T5265]  do_new_mount+0x247/0xa40
[  227.883164][ T5265]  __se_sys_mount+0x2e3/0x3d0
[  227.888097][ T5265]  ? __x64_sys_mount+0xc0/0xc0
[  227.892895][ T5265]  ? lockdep_hardirqs_on+0x94/0x140
[  227.898378][ T5265]  ? __x64_sys_mount+0x1c/0xc0
[  227.903189][ T5265]  do_syscall_64+0x4c/0xa0
[  227.907599][ T5265]  ? clear_bhb_loop+0x30/0x80
[  227.912408][ T5265]  ? clear_bhb_loop+0x30/0x80
[  227.917178][ T5265]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.923084][ T5265] RIP: 0033:0x7faf8f4bf60a
[  227.927728][ T5265] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  227.947949][ T5265] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.956462][ T5265] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  227.964450][ T5265] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  227.972499][ T5265] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  227.980461][ T5265] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.988437][ T5265] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  227.996421][ T5265]  </TASK>
[  228.000880][ T5265] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.014542][ T5265] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.333809][ T5267] loop1: detected capacity change from 0 to 32768
[  228.386825][ T5267] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.394522][ T5267] CPU: 0 PID: 5267 Comm: syz.1.181 Not tainted syzkaller #0
[  228.402091][ T5267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  228.412247][ T5267] Call Trace:
[  228.415620][ T5267]  <TASK>
[  228.418556][ T5267]  dump_stack_lvl+0x188/0x250
[  228.423255][ T5267]  ? show_regs_print_info+0x20/0x20
[  228.428474][ T5267]  ? load_image+0x410/0x410
[  228.433133][ T5267]  sysfs_create_dir_ns+0x26a/0x290
[  228.438347][ T5267]  ? sysfs_warn_dup+0xa0/0xa0
[  228.443137][ T5267]  ? do_raw_spin_unlock+0x11d/0x230
[  228.448355][ T5267]  kobject_add_internal+0x5ba/0xcd0
[  228.453788][ T5267]  kobject_init_and_add+0x128/0x190
[  228.458993][ T5267]  ? lockdep_softirqs_off+0x430/0x430
[  228.464592][ T5267]  ? kobject_add+0x230/0x230
[  228.469288][ T5267]  ? __init_swait_queue_head+0xa4/0x140
[  228.474922][ T5267]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.479724][ T5267]  ? gfs2_recover_set+0x240/0x240
[  228.484902][ T5267]  ? snprintf+0xe5/0x140
[  228.489226][ T5267]  ? __free_pages+0x95/0x1a0
[  228.493987][ T5267]  ? vscnprintf+0x80/0x80
[  228.498416][ T5267]  gfs2_fill_super+0x11ed/0x1ea0
[  228.503349][ T5267]  ? gfs2_reconfigure+0xd80/0xd80
[  228.508368][ T5267]  ? sb_set_blocksize+0xa5/0xe0
[  228.513323][ T5267]  get_tree_bdev+0x3e6/0x610
[  228.518011][ T5267]  ? gfs2_reconfigure+0xd80/0xd80
[  228.523038][ T5267]  gfs2_get_tree+0x4d/0x1e0
[  228.528233][ T5267]  vfs_get_tree+0x88/0x270
[  228.532837][ T5267]  do_new_mount+0x247/0xa40
[  228.537355][ T5267]  __se_sys_mount+0x2e3/0x3d0
[  228.542250][ T5267]  ? __x64_sys_mount+0xc0/0xc0
[  228.547018][ T5267]  ? lockdep_hardirqs_on+0x94/0x140
[  228.552216][ T5267]  ? __x64_sys_mount+0x1c/0xc0
[  228.557051][ T5267]  do_syscall_64+0x4c/0xa0
[  228.561604][ T5267]  ? clear_bhb_loop+0x30/0x80
[  228.566480][ T5267]  ? clear_bhb_loop+0x30/0x80
[  228.571254][ T5267]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.577229][ T5267] RIP: 0033:0x7faf8f4bf60a
[  228.581802][ T5267] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  228.601904][ T5267] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.610415][ T5267] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  228.618742][ T5267] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  228.627145][ T5267] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  228.635260][ T5267] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.643327][ T5267] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  228.651588][ T5267]  </TASK>
[  228.656011][ T5267] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.669559][ T5267] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.990295][ T5269] loop1: detected capacity change from 0 to 32768
[  229.046496][ T5269] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.054120][ T5269] CPU: 1 PID: 5269 Comm: syz.1.182 Not tainted syzkaller #0
[  229.061824][ T5269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  229.071892][ T5269] Call Trace:
[  229.075276][ T5269]  <TASK>
[  229.078228][ T5269]  dump_stack_lvl+0x188/0x250
[  229.082928][ T5269]  ? show_regs_print_info+0x20/0x20
[  229.088335][ T5269]  ? load_image+0x410/0x410
[  229.092952][ T5269]  sysfs_create_dir_ns+0x26a/0x290
[  229.098105][ T5269]  ? sysfs_warn_dup+0xa0/0xa0
[  229.102850][ T5269]  ? do_raw_spin_unlock+0x11d/0x230
[  229.108071][ T5269]  kobject_add_internal+0x5ba/0xcd0
[  229.113390][ T5269]  kobject_init_and_add+0x128/0x190
[  229.118615][ T5269]  ? lockdep_softirqs_off+0x430/0x430
[  229.124024][ T5269]  ? kobject_add+0x230/0x230
[  229.128752][ T5269]  ? __init_swait_queue_head+0xa4/0x140
[  229.134495][ T5269]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.139671][ T5269]  ? gfs2_recover_set+0x240/0x240
[  229.144807][ T5269]  ? snprintf+0xe5/0x140
[  229.149056][ T5269]  ? __free_pages+0x95/0x1a0
[  229.153653][ T5269]  ? vscnprintf+0x80/0x80
[  229.157975][ T5269]  gfs2_fill_super+0x11ed/0x1ea0
[  229.162933][ T5269]  ? gfs2_reconfigure+0xd80/0xd80
[  229.168246][ T5269]  ? sb_set_blocksize+0xa5/0xe0
[  229.173137][ T5269]  get_tree_bdev+0x3e6/0x610
[  229.177822][ T5269]  ? gfs2_reconfigure+0xd80/0xd80
[  229.182889][ T5269]  gfs2_get_tree+0x4d/0x1e0
[  229.187481][ T5269]  vfs_get_tree+0x88/0x270
[  229.192009][ T5269]  do_new_mount+0x247/0xa40
[  229.196602][ T5269]  __se_sys_mount+0x2e3/0x3d0
[  229.201400][ T5269]  ? __x64_sys_mount+0xc0/0xc0
[  229.206149][ T5269]  ? lockdep_hardirqs_on+0x94/0x140
[  229.211430][ T5269]  ? __x64_sys_mount+0x1c/0xc0
[  229.216452][ T5269]  do_syscall_64+0x4c/0xa0
[  229.220862][ T5269]  ? clear_bhb_loop+0x30/0x80
[  229.225610][ T5269]  ? clear_bhb_loop+0x30/0x80
[  229.230537][ T5269]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.236595][ T5269] RIP: 0033:0x7faf8f4bf60a
[  229.241128][ T5269] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  229.261722][ T5269] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.270600][ T5269] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  229.278962][ T5269] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  229.286946][ T5269] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  229.295477][ T5269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.303534][ T5269] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  229.311789][ T5269]  </TASK>
[  229.316858][ T5269] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.330138][ T5269] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.654234][ T5271] loop1: detected capacity change from 0 to 32768
[  229.706409][ T5271] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.714140][ T5271] CPU: 1 PID: 5271 Comm: syz.1.183 Not tainted syzkaller #0
[  229.721790][ T5271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  229.732324][ T5271] Call Trace:
[  229.735977][ T5271]  <TASK>
[  229.738939][ T5271]  dump_stack_lvl+0x188/0x250
[  229.743650][ T5271]  ? show_regs_print_info+0x20/0x20
[  229.748884][ T5271]  ? load_image+0x410/0x410
[  229.754063][ T5271]  sysfs_create_dir_ns+0x26a/0x290
[  229.759309][ T5271]  ? sysfs_warn_dup+0xa0/0xa0
[  229.764020][ T5271]  ? do_raw_spin_unlock+0x11d/0x230
[  229.769251][ T5271]  kobject_add_internal+0x5ba/0xcd0
[  229.774487][ T5271]  kobject_init_and_add+0x128/0x190
[  229.779801][ T5271]  ? lockdep_softirqs_off+0x430/0x430
[  229.785204][ T5271]  ? kobject_add+0x230/0x230
[  229.789868][ T5271]  ? __init_swait_queue_head+0xa4/0x140
[  229.795899][ T5271]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.800996][ T5271]  ? gfs2_recover_set+0x240/0x240
[  229.806039][ T5271]  ? snprintf+0xe5/0x140
[  229.810538][ T5271]  ? __free_pages+0x95/0x1a0
[  229.815611][ T5271]  ? vscnprintf+0x80/0x80
[  229.820043][ T5271]  gfs2_fill_super+0x11ed/0x1ea0
[  229.824991][ T5271]  ? gfs2_reconfigure+0xd80/0xd80
[  229.830052][ T5271]  ? sb_set_blocksize+0xa5/0xe0
[  229.835031][ T5271]  get_tree_bdev+0x3e6/0x610
[  229.839661][ T5271]  ? gfs2_reconfigure+0xd80/0xd80
[  229.844722][ T5271]  gfs2_get_tree+0x4d/0x1e0
[  229.849761][ T5271]  vfs_get_tree+0x88/0x270
[  229.854308][ T5271]  do_new_mount+0x247/0xa40
[  229.858914][ T5271]  __se_sys_mount+0x2e3/0x3d0
[  229.863758][ T5271]  ? __x64_sys_mount+0xc0/0xc0
[  229.868617][ T5271]  ? lockdep_hardirqs_on+0x94/0x140
[  229.873903][ T5271]  ? __x64_sys_mount+0x1c/0xc0
[  229.878744][ T5271]  do_syscall_64+0x4c/0xa0
[  229.883157][ T5271]  ? clear_bhb_loop+0x30/0x80
[  229.887846][ T5271]  ? clear_bhb_loop+0x30/0x80
[  229.892521][ T5271]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.898408][ T5271] RIP: 0033:0x7faf8f4bf60a
[  229.902817][ T5271] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  229.922672][ T5271] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.931564][ T5271] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  229.940081][ T5271] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  229.948060][ T5271] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  229.956268][ T5271] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.964584][ T5271] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  229.972648][ T5271]  </TASK>
[  229.979054][ T5271] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.992541][ T5271] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.303143][ T5273] loop1: detected capacity change from 0 to 32768
[  230.315237][ T5273] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.322959][ T5273] CPU: 0 PID: 5273 Comm: syz.1.184 Not tainted syzkaller #0
[  230.330362][ T5273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  230.340543][ T5273] Call Trace:
[  230.343946][ T5273]  <TASK>
[  230.346908][ T5273]  dump_stack_lvl+0x188/0x250
[  230.351780][ T5273]  ? show_regs_print_info+0x20/0x20
[  230.357132][ T5273]  ? load_image+0x410/0x410
[  230.361644][ T5273]  sysfs_create_dir_ns+0x26a/0x290
[  230.366829][ T5273]  ? sysfs_warn_dup+0xa0/0xa0
[  230.371839][ T5273]  ? do_raw_spin_unlock+0x11d/0x230
[  230.377054][ T5273]  kobject_add_internal+0x5ba/0xcd0
[  230.382272][ T5273]  kobject_init_and_add+0x128/0x190
[  230.387467][ T5273]  ? lockdep_softirqs_off+0x430/0x430
[  230.392840][ T5273]  ? kobject_add+0x230/0x230
[  230.397561][ T5273]  ? __init_swait_queue_head+0xa4/0x140
[  230.403400][ T5273]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.408177][ T5273]  ? gfs2_recover_set+0x240/0x240
[  230.413207][ T5273]  ? snprintf+0xe5/0x140
[  230.417535][ T5273]  ? __free_pages+0x95/0x1a0
[  230.422304][ T5273]  ? vscnprintf+0x80/0x80
[  230.426803][ T5273]  gfs2_fill_super+0x11ed/0x1ea0
[  230.432039][ T5273]  ? gfs2_reconfigure+0xd80/0xd80
[  230.437122][ T5273]  ? sb_set_blocksize+0xa5/0xe0
[  230.442450][ T5273]  get_tree_bdev+0x3e6/0x610
[  230.447515][ T5273]  ? gfs2_reconfigure+0xd80/0xd80
[  230.453062][ T5273]  gfs2_get_tree+0x4d/0x1e0
[  230.457842][ T5273]  vfs_get_tree+0x88/0x270
[  230.463088][ T5273]  do_new_mount+0x247/0xa40
[  230.467812][ T5273]  __se_sys_mount+0x2e3/0x3d0
[  230.473476][ T5273]  ? __x64_sys_mount+0xc0/0xc0
[  230.478520][ T5273]  ? lockdep_hardirqs_on+0x94/0x140
[  230.484091][ T5273]  ? __x64_sys_mount+0x1c/0xc0
[  230.489265][ T5273]  do_syscall_64+0x4c/0xa0
[  230.493828][ T5273]  ? clear_bhb_loop+0x30/0x80
[  230.498821][ T5273]  ? clear_bhb_loop+0x30/0x80
[  230.504101][ T5273]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.510550][ T5273] RIP: 0033:0x7faf8f4bf60a
[  230.515541][ T5273] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  230.536438][ T5273] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.545309][ T5273] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  230.553584][ T5273] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  230.562043][ T5273] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  230.570012][ T5273] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.578180][ T5273] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  230.586151][ T5273]  </TASK>
[  230.590580][ T5273] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.603856][ T5273] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.929299][ T5275] loop1: detected capacity change from 0 to 32768
[  231.010042][ T5275] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.019565][ T5275] CPU: 0 PID: 5275 Comm: syz.1.185 Not tainted syzkaller #0
[  231.027667][ T5275] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  231.038310][ T5275] Call Trace:
[  231.041695][ T5275]  <TASK>
[  231.046769][ T5275]  dump_stack_lvl+0x188/0x250
[  231.051474][ T5275]  ? show_regs_print_info+0x20/0x20
[  231.057023][ T5275]  ? load_image+0x410/0x410
[  231.062430][ T5275]  sysfs_create_dir_ns+0x26a/0x290
[  231.067743][ T5275]  ? sysfs_warn_dup+0xa0/0xa0
[  231.072804][ T5275]  ? do_raw_spin_unlock+0x11d/0x230
[  231.078274][ T5275]  kobject_add_internal+0x5ba/0xcd0
[  231.083654][ T5275]  kobject_init_and_add+0x128/0x190
[  231.088950][ T5275]  ? lockdep_softirqs_off+0x430/0x430
[  231.094314][ T5275]  ? kobject_add+0x230/0x230
[  231.098906][ T5275]  ? __init_swait_queue_head+0xa4/0x140
[  231.104459][ T5275]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.109369][ T5275]  ? gfs2_recover_set+0x240/0x240
[  231.114533][ T5275]  ? snprintf+0xe5/0x140
[  231.119123][ T5275]  ? __free_pages+0x95/0x1a0
[  231.123809][ T5275]  ? vscnprintf+0x80/0x80
[  231.128131][ T5275]  gfs2_fill_super+0x11ed/0x1ea0
[  231.133193][ T5275]  ? gfs2_reconfigure+0xd80/0xd80
[  231.138247][ T5275]  ? sb_set_blocksize+0xa5/0xe0
[  231.143200][ T5275]  get_tree_bdev+0x3e6/0x610
[  231.147800][ T5275]  ? gfs2_reconfigure+0xd80/0xd80
[  231.152909][ T5275]  gfs2_get_tree+0x4d/0x1e0
[  231.157516][ T5275]  vfs_get_tree+0x88/0x270
[  231.162018][ T5275]  do_new_mount+0x247/0xa40
[  231.166617][ T5275]  __se_sys_mount+0x2e3/0x3d0
[  231.171506][ T5275]  ? __x64_sys_mount+0xc0/0xc0
[  231.176284][ T5275]  ? lockdep_hardirqs_on+0x94/0x140
[  231.181766][ T5275]  ? __x64_sys_mount+0x1c/0xc0
[  231.186697][ T5275]  do_syscall_64+0x4c/0xa0
[  231.191136][ T5275]  ? clear_bhb_loop+0x30/0x80
[  231.195816][ T5275]  ? clear_bhb_loop+0x30/0x80
[  231.200561][ T5275]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.206711][ T5275] RIP: 0033:0x7faf8f4bf60a
[  231.212625][ T5275] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  231.232582][ T5275] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.241173][ T5275] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  231.249340][ T5275] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  231.257859][ T5275] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  231.266425][ T5275] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.274558][ T5275] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  231.282713][ T5275]  </TASK>
[  231.287317][ T5275] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.301377][ T5275] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 11:58:48 executed programs: 171
[  231.603435][ T5277] loop1: detected capacity change from 0 to 32768
[  231.700261][ T5277] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.708864][ T5277] CPU: 0 PID: 5277 Comm: syz.1.186 Not tainted syzkaller #0
[  231.716218][ T5277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  231.726375][ T5277] Call Trace:
[  231.730029][ T5277]  <TASK>
[  231.732989][ T5277]  dump_stack_lvl+0x188/0x250
[  231.737681][ T5277]  ? show_regs_print_info+0x20/0x20
[  231.742894][ T5277]  ? load_image+0x410/0x410
[  231.747430][ T5277]  sysfs_create_dir_ns+0x26a/0x290
[  231.752662][ T5277]  ? sysfs_warn_dup+0xa0/0xa0
[  231.757330][ T5277]  ? do_raw_spin_unlock+0x11d/0x230
[  231.762790][ T5277]  kobject_add_internal+0x5ba/0xcd0
[  231.768094][ T5277]  kobject_init_and_add+0x128/0x190
[  231.773285][ T5277]  ? lockdep_softirqs_off+0x430/0x430
[  231.778644][ T5277]  ? kobject_add+0x230/0x230
[  231.783392][ T5277]  ? __init_swait_queue_head+0xa4/0x140
[  231.788929][ T5277]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.793766][ T5277]  ? gfs2_recover_set+0x240/0x240
[  231.798885][ T5277]  ? snprintf+0xe5/0x140
[  231.803116][ T5277]  ? __free_pages+0x95/0x1a0
[  231.807719][ T5277]  ? vscnprintf+0x80/0x80
[  231.812432][ T5277]  gfs2_fill_super+0x11ed/0x1ea0
[  231.817639][ T5277]  ? gfs2_reconfigure+0xd80/0xd80
[  231.822819][ T5277]  ? sb_set_blocksize+0xa5/0xe0
[  231.827835][ T5277]  get_tree_bdev+0x3e6/0x610
[  231.833056][ T5277]  ? gfs2_reconfigure+0xd80/0xd80
[  231.838318][ T5277]  gfs2_get_tree+0x4d/0x1e0
[  231.843509][ T5277]  vfs_get_tree+0x88/0x270
[  231.847944][ T5277]  do_new_mount+0x247/0xa40
[  231.852531][ T5277]  __se_sys_mount+0x2e3/0x3d0
[  231.857600][ T5277]  ? __x64_sys_mount+0xc0/0xc0
[  231.862352][ T5277]  ? lockdep_hardirqs_on+0x94/0x140
[  231.867539][ T5277]  ? __x64_sys_mount+0x1c/0xc0
[  231.872309][ T5277]  do_syscall_64+0x4c/0xa0
[  231.876736][ T5277]  ? clear_bhb_loop+0x30/0x80
[  231.881415][ T5277]  ? clear_bhb_loop+0x30/0x80
[  231.886092][ T5277]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.891986][ T5277] RIP: 0033:0x7faf8f4bf60a
[  231.896660][ T5277] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  231.916366][ T5277] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.925107][ T5277] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  231.933177][ T5277] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  231.941574][ T5277] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  231.949634][ T5277] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.957915][ T5277] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  231.966219][ T5277]  </TASK>
[  231.977315][ T5277] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.990519][ T5277] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.334699][ T5279] loop1: detected capacity change from 0 to 32768
[  232.429649][ T5279] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.437623][ T5279] CPU: 1 PID: 5279 Comm: syz.1.187 Not tainted syzkaller #0
[  232.445028][ T5279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  232.455983][ T5279] Call Trace:
[  232.459285][ T5279]  <TASK>
[  232.462944][ T5279]  dump_stack_lvl+0x188/0x250
[  232.467786][ T5279]  ? show_regs_print_info+0x20/0x20
[  232.475802][ T5279]  ? load_image+0x410/0x410
[  232.480632][ T5279]  sysfs_create_dir_ns+0x26a/0x290
[  232.485973][ T5279]  ? sysfs_warn_dup+0xa0/0xa0
[  232.490916][ T5279]  ? do_raw_spin_unlock+0x11d/0x230
[  232.496783][ T5279]  kobject_add_internal+0x5ba/0xcd0
[  232.502118][ T5279]  kobject_init_and_add+0x128/0x190
[  232.507615][ T5279]  ? lockdep_softirqs_off+0x430/0x430
[  232.513279][ T5279]  ? kobject_add+0x230/0x230
[  232.517894][ T5279]  ? __init_swait_queue_head+0xa4/0x140
[  232.523448][ T5279]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.528320][ T5279]  ? gfs2_recover_set+0x240/0x240
[  232.533421][ T5279]  ? snprintf+0xe5/0x140
[  232.537657][ T5279]  ? __free_pages+0x95/0x1a0
[  232.542869][ T5279]  ? vscnprintf+0x80/0x80
[  232.547503][ T5279]  gfs2_fill_super+0x11ed/0x1ea0
[  232.552689][ T5279]  ? gfs2_reconfigure+0xd80/0xd80
[  232.557891][ T5279]  ? sb_set_blocksize+0xa5/0xe0
[  232.562792][ T5279]  get_tree_bdev+0x3e6/0x610
[  232.567407][ T5279]  ? gfs2_reconfigure+0xd80/0xd80
[  232.572527][ T5279]  gfs2_get_tree+0x4d/0x1e0
[  232.577149][ T5279]  vfs_get_tree+0x88/0x270
[  232.581703][ T5279]  do_new_mount+0x247/0xa40
[  232.586324][ T5279]  __se_sys_mount+0x2e3/0x3d0
[  232.591023][ T5279]  ? __x64_sys_mount+0xc0/0xc0
[  232.595992][ T5279]  ? lockdep_hardirqs_on+0x94/0x140
[  232.601579][ T5279]  ? __x64_sys_mount+0x1c/0xc0
[  232.608159][ T5279]  do_syscall_64+0x4c/0xa0
[  232.613106][ T5279]  ? clear_bhb_loop+0x30/0x80
[  232.618075][ T5279]  ? clear_bhb_loop+0x30/0x80
[  232.623160][ T5279]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.629195][ T5279] RIP: 0033:0x7faf8f4bf60a
[  232.633907][ T5279] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.654487][ T5279] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.663208][ T5279] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  232.671558][ T5279] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  232.680007][ T5279] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  232.688260][ T5279] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  232.696364][ T5279] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  232.704726][ T5279]  </TASK>
[  232.709901][ T5279] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.723944][ T5279] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.035106][ T5281] loop1: detected capacity change from 0 to 32768
[  233.105367][ T5281] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.113047][ T5281] CPU: 0 PID: 5281 Comm: syz.1.188 Not tainted syzkaller #0
[  233.120435][ T5281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  233.130686][ T5281] Call Trace:
[  233.134123][ T5281]  <TASK>
[  233.137083][ T5281]  dump_stack_lvl+0x188/0x250
[  233.142255][ T5281]  ? show_regs_print_info+0x20/0x20
[  233.147499][ T5281]  ? load_image+0x410/0x410
[  233.152050][ T5281]  sysfs_create_dir_ns+0x26a/0x290
[  233.157383][ T5281]  ? sysfs_warn_dup+0xa0/0xa0
[  233.162090][ T5281]  ? do_raw_spin_unlock+0x11d/0x230
[  233.167414][ T5281]  kobject_add_internal+0x5ba/0xcd0
[  233.172829][ T5281]  kobject_init_and_add+0x128/0x190
[  233.178062][ T5281]  ? lockdep_softirqs_off+0x430/0x430
[  233.183940][ T5281]  ? kobject_add+0x230/0x230
[  233.188565][ T5281]  ? __init_swait_queue_head+0xa4/0x140
[  233.194966][ T5281]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.200054][ T5281]  ? gfs2_recover_set+0x240/0x240
[  233.205266][ T5281]  ? snprintf+0xe5/0x140
[  233.209846][ T5281]  ? __free_pages+0x95/0x1a0
[  233.214557][ T5281]  ? vscnprintf+0x80/0x80
[  233.220361][ T5281]  gfs2_fill_super+0x11ed/0x1ea0
[  233.225659][ T5281]  ? gfs2_reconfigure+0xd80/0xd80
[  233.231188][ T5281]  ? sb_set_blocksize+0xa5/0xe0
[  233.236324][ T5281]  get_tree_bdev+0x3e6/0x610
[  233.243381][ T5281]  ? gfs2_reconfigure+0xd80/0xd80
[  233.248615][ T5281]  gfs2_get_tree+0x4d/0x1e0
[  233.253799][ T5281]  vfs_get_tree+0x88/0x270
[  233.258481][ T5281]  do_new_mount+0x247/0xa40
[  233.263195][ T5281]  __se_sys_mount+0x2e3/0x3d0
[  233.268421][ T5281]  ? __x64_sys_mount+0xc0/0xc0
[  233.273235][ T5281]  ? lockdep_hardirqs_on+0x94/0x140
[  233.279003][ T5281]  ? __x64_sys_mount+0x1c/0xc0
[  233.283820][ T5281]  do_syscall_64+0x4c/0xa0
[  233.288248][ T5281]  ? clear_bhb_loop+0x30/0x80
[  233.293199][ T5281]  ? clear_bhb_loop+0x30/0x80
[  233.297886][ T5281]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.304039][ T5281] RIP: 0033:0x7faf8f4bf60a
[  233.308465][ T5281] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  233.328735][ T5281] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.337591][ T5281] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  233.345674][ T5281] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  233.354143][ T5281] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  233.362446][ T5281] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  233.370592][ T5281] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  233.380515][ T5281]  </TASK>
[  233.384745][ T5281] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.398775][ T5281] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.780487][ T5283] loop1: detected capacity change from 0 to 32768
[  233.856391][ T5283] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.864604][ T5283] CPU: 1 PID: 5283 Comm: syz.1.189 Not tainted syzkaller #0
[  233.872089][ T5283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  233.882348][ T5283] Call Trace:
[  233.885833][ T5283]  <TASK>
[  233.888878][ T5283]  dump_stack_lvl+0x188/0x250
[  233.893947][ T5283]  ? show_regs_print_info+0x20/0x20
[  233.899299][ T5283]  ? load_image+0x410/0x410
[  233.903946][ T5283]  sysfs_create_dir_ns+0x26a/0x290
[  233.909184][ T5283]  ? sysfs_warn_dup+0xa0/0xa0
[  233.913982][ T5283]  ? do_raw_spin_unlock+0x11d/0x230
[  233.919294][ T5283]  kobject_add_internal+0x5ba/0xcd0
[  233.924528][ T5283]  kobject_init_and_add+0x128/0x190
[  233.929765][ T5283]  ? lockdep_softirqs_off+0x430/0x430
[  233.935167][ T5283]  ? kobject_add+0x230/0x230
[  233.939961][ T5283]  ? __init_swait_queue_head+0xa4/0x140
[  233.945705][ T5283]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.950687][ T5283]  ? gfs2_recover_set+0x240/0x240
[  233.955724][ T5283]  ? snprintf+0xe5/0x140
[  233.959952][ T5283]  ? __free_pages+0x95/0x1a0
[  233.964541][ T5283]  ? vscnprintf+0x80/0x80
[  233.969074][ T5283]  gfs2_fill_super+0x11ed/0x1ea0
[  233.974135][ T5283]  ? gfs2_reconfigure+0xd80/0xd80
[  233.979285][ T5283]  ? sb_set_blocksize+0xa5/0xe0
[  233.984136][ T5283]  get_tree_bdev+0x3e6/0x610
[  233.988730][ T5283]  ? gfs2_reconfigure+0xd80/0xd80
[  233.993742][ T5283]  gfs2_get_tree+0x4d/0x1e0
[  233.998367][ T5283]  vfs_get_tree+0x88/0x270
[  234.002984][ T5283]  do_new_mount+0x247/0xa40
[  234.008999][ T5283]  __se_sys_mount+0x2e3/0x3d0
[  234.013947][ T5283]  ? __x64_sys_mount+0xc0/0xc0
[  234.018726][ T5283]  ? lockdep_hardirqs_on+0x94/0x140
[  234.024012][ T5283]  ? __x64_sys_mount+0x1c/0xc0
[  234.028801][ T5283]  do_syscall_64+0x4c/0xa0
[  234.033326][ T5283]  ? clear_bhb_loop+0x30/0x80
[  234.038465][ T5283]  ? clear_bhb_loop+0x30/0x80
[  234.043398][ T5283]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.049515][ T5283] RIP: 0033:0x7faf8f4bf60a
[  234.054025][ T5283] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  234.074238][ T5283] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.083451][ T5283] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  234.091517][ T5283] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  234.099856][ T5283] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  234.108025][ T5283] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  234.116367][ T5283] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  234.124345][ T5283]  </TASK>
[  234.129042][ T5283] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.142429][ T5283] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  234.483011][ T5285] loop1: detected capacity change from 0 to 32768
[  234.554878][ T5285] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.562493][ T5285] CPU: 0 PID: 5285 Comm: syz.1.190 Not tainted syzkaller #0
[  234.569988][ T5285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  234.580057][ T5285] Call Trace:
[  234.583504][ T5285]  <TASK>
[  234.586568][ T5285]  dump_stack_lvl+0x188/0x250
[  234.591631][ T5285]  ? show_regs_print_info+0x20/0x20
[  234.596961][ T5285]  ? load_image+0x410/0x410
[  234.601677][ T5285]  sysfs_create_dir_ns+0x26a/0x290
[  234.606822][ T5285]  ? sysfs_warn_dup+0xa0/0xa0
[  234.611782][ T5285]  ? do_raw_spin_unlock+0x11d/0x230
[  234.617099][ T5285]  kobject_add_internal+0x5ba/0xcd0
[  234.622332][ T5285]  kobject_init_and_add+0x128/0x190
[  234.627728][ T5285]  ? lockdep_softirqs_off+0x430/0x430
[  234.633249][ T5285]  ? kobject_add+0x230/0x230
[  234.637958][ T5285]  ? __init_swait_queue_head+0xa4/0x140
[  234.643805][ T5285]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.649016][ T5285]  ? gfs2_recover_set+0x240/0x240
[  234.654256][ T5285]  ? snprintf+0xe5/0x140
[  234.658610][ T5285]  ? __free_pages+0x95/0x1a0
[  234.663203][ T5285]  ? vscnprintf+0x80/0x80
[  234.667549][ T5285]  gfs2_fill_super+0x11ed/0x1ea0
[  234.672503][ T5285]  ? gfs2_reconfigure+0xd80/0xd80
[  234.677611][ T5285]  ? sb_set_blocksize+0xa5/0xe0
[  234.682537][ T5285]  get_tree_bdev+0x3e6/0x610
[  234.687225][ T5285]  ? gfs2_reconfigure+0xd80/0xd80
[  234.692275][ T5285]  gfs2_get_tree+0x4d/0x1e0
[  234.696869][ T5285]  vfs_get_tree+0x88/0x270
[  234.701513][ T5285]  do_new_mount+0x247/0xa40
[  234.706031][ T5285]  __se_sys_mount+0x2e3/0x3d0
[  234.710906][ T5285]  ? __x64_sys_mount+0xc0/0xc0
[  234.715872][ T5285]  ? lockdep_hardirqs_on+0x94/0x140
[  234.721420][ T5285]  ? __x64_sys_mount+0x1c/0xc0
[  234.726185][ T5285]  do_syscall_64+0x4c/0xa0
[  234.730616][ T5285]  ? clear_bhb_loop+0x30/0x80
[  234.735607][ T5285]  ? clear_bhb_loop+0x30/0x80
[  234.740679][ T5285]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.746969][ T5285] RIP: 0033:0x7faf8f4bf60a
[  234.751746][ T5285] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  234.772256][ T5285] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.780982][ T5285] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  234.789503][ T5285] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  234.797749][ T5285] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  234.806068][ T5285] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  234.814120][ T5285] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  234.822123][ T5285]  </TASK>
[  234.826849][ T5285] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.840608][ T5285] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.142207][ T5287] loop1: detected capacity change from 0 to 32768
[  235.199190][ T5287] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.209563][ T5287] CPU: 1 PID: 5287 Comm: syz.1.191 Not tainted syzkaller #0
[  235.216900][ T5287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  235.227358][ T5287] Call Trace:
[  235.230651][ T5287]  <TASK>
[  235.233595][ T5287]  dump_stack_lvl+0x188/0x250
[  235.238287][ T5287]  ? show_regs_print_info+0x20/0x20
[  235.243599][ T5287]  ? load_image+0x410/0x410
[  235.248390][ T5287]  sysfs_create_dir_ns+0x26a/0x290
[  235.253635][ T5287]  ? sysfs_warn_dup+0xa0/0xa0
[  235.258347][ T5287]  ? do_raw_spin_unlock+0x11d/0x230
[  235.263753][ T5287]  kobject_add_internal+0x5ba/0xcd0
[  235.268987][ T5287]  kobject_init_and_add+0x128/0x190
[  235.274218][ T5287]  ? lockdep_softirqs_off+0x430/0x430
[  235.279883][ T5287]  ? kobject_add+0x230/0x230
[  235.284628][ T5287]  ? __init_swait_queue_head+0xa4/0x140
[  235.290203][ T5287]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.295187][ T5287]  ? gfs2_recover_set+0x240/0x240
[  235.300617][ T5287]  ? snprintf+0xe5/0x140
[  235.304955][ T5287]  ? __free_pages+0x95/0x1a0
[  235.309746][ T5287]  ? vscnprintf+0x80/0x80
[  235.314565][ T5287]  gfs2_fill_super+0x11ed/0x1ea0
[  235.319599][ T5287]  ? gfs2_reconfigure+0xd80/0xd80
[  235.324931][ T5287]  ? sb_set_blocksize+0xa5/0xe0
[  235.329787][ T5287]  get_tree_bdev+0x3e6/0x610
[  235.334524][ T5287]  ? gfs2_reconfigure+0xd80/0xd80
[  235.339723][ T5287]  gfs2_get_tree+0x4d/0x1e0
[  235.344517][ T5287]  vfs_get_tree+0x88/0x270
[  235.348952][ T5287]  do_new_mount+0x247/0xa40
[  235.353469][ T5287]  __se_sys_mount+0x2e3/0x3d0
[  235.358151][ T5287]  ? __x64_sys_mount+0xc0/0xc0
[  235.362905][ T5287]  ? lockdep_hardirqs_on+0x94/0x140
[  235.368184][ T5287]  ? __x64_sys_mount+0x1c/0xc0
[  235.373173][ T5287]  do_syscall_64+0x4c/0xa0
[  235.377669][ T5287]  ? clear_bhb_loop+0x30/0x80
[  235.382462][ T5287]  ? clear_bhb_loop+0x30/0x80
[  235.387131][ T5287]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.393110][ T5287] RIP: 0033:0x7faf8f4bf60a
[  235.398159][ T5287] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  235.418522][ T5287] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.427313][ T5287] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  235.435915][ T5287] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  235.444759][ T5287] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  235.453214][ T5287] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.461382][ T5287] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.469454][ T5287]  </TASK>
[  235.479682][ T5287] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.493666][ T5287] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.800810][ T5289] loop1: detected capacity change from 0 to 32768
[  235.859067][ T5289] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.866905][ T5289] CPU: 1 PID: 5289 Comm: syz.1.192 Not tainted syzkaller #0
[  235.874306][ T5289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  235.884389][ T5289] Call Trace:
[  235.887677][ T5289]  <TASK>
[  235.890787][ T5289]  dump_stack_lvl+0x188/0x250
[  235.895488][ T5289]  ? show_regs_print_info+0x20/0x20
[  235.900726][ T5289]  ? load_image+0x410/0x410
[  235.905361][ T5289]  sysfs_create_dir_ns+0x26a/0x290
[  235.910670][ T5289]  ? sysfs_warn_dup+0xa0/0xa0
[  235.915370][ T5289]  ? do_raw_spin_unlock+0x11d/0x230
[  235.920592][ T5289]  kobject_add_internal+0x5ba/0xcd0
[  235.925985][ T5289]  kobject_init_and_add+0x128/0x190
[  235.931284][ T5289]  ? lockdep_softirqs_off+0x430/0x430
[  235.936669][ T5289]  ? kobject_add+0x230/0x230
[  235.941382][ T5289]  ? __init_swait_queue_head+0xa4/0x140
[  235.946957][ T5289]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.951784][ T5289]  ? gfs2_recover_set+0x240/0x240
[  235.956807][ T5289]  ? snprintf+0xe5/0x140
[  235.961061][ T5289]  ? __free_pages+0x95/0x1a0
[  235.965642][ T5289]  ? vscnprintf+0x80/0x80
[  235.969966][ T5289]  gfs2_fill_super+0x11ed/0x1ea0
[  235.974899][ T5289]  ? gfs2_reconfigure+0xd80/0xd80
[  235.979914][ T5289]  ? sb_set_blocksize+0xa5/0xe0
[  235.985001][ T5289]  get_tree_bdev+0x3e6/0x610
[  235.989970][ T5289]  ? gfs2_reconfigure+0xd80/0xd80
[  235.995145][ T5289]  gfs2_get_tree+0x4d/0x1e0
[  236.000278][ T5289]  vfs_get_tree+0x88/0x270
[  236.004719][ T5289]  do_new_mount+0x247/0xa40
[  236.009387][ T5289]  __se_sys_mount+0x2e3/0x3d0
[  236.014060][ T5289]  ? __x64_sys_mount+0xc0/0xc0
[  236.018813][ T5289]  ? lockdep_hardirqs_on+0x94/0x140
[  236.024013][ T5289]  ? __x64_sys_mount+0x1c/0xc0
[  236.028905][ T5289]  do_syscall_64+0x4c/0xa0
[  236.033318][ T5289]  ? clear_bhb_loop+0x30/0x80
[  236.038180][ T5289]  ? clear_bhb_loop+0x30/0x80
[  236.043122][ T5289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.049016][ T5289] RIP: 0033:0x7faf8f4bf60a
[  236.053437][ T5289] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  236.073424][ T5289] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.082107][ T5289] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  236.090080][ T5289] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  236.098143][ T5289] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  236.106298][ T5289] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.114377][ T5289] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  236.122372][ T5289]  </TASK>
[  236.126998][ T5289] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.140161][ T5289] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.445163][ T5291] loop1: detected capacity change from 0 to 32768
[  236.505629][ T5291] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.513785][ T5291] CPU: 1 PID: 5291 Comm: syz.1.193 Not tainted syzkaller #0
[  236.521099][ T5291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  236.531167][ T5291] Call Trace:
[  236.534461][ T5291]  <TASK>
[  236.537399][ T5291]  dump_stack_lvl+0x188/0x250
[  236.542276][ T5291]  ? show_regs_print_info+0x20/0x20
[  236.547683][ T5291]  ? load_image+0x410/0x410
[  236.552224][ T5291]  sysfs_create_dir_ns+0x26a/0x290
[  236.557447][ T5291]  ? sysfs_warn_dup+0xa0/0xa0
[  236.562147][ T5291]  ? do_raw_spin_unlock+0x11d/0x230
[  236.567544][ T5291]  kobject_add_internal+0x5ba/0xcd0
[  236.572775][ T5291]  kobject_init_and_add+0x128/0x190
[  236.578174][ T5291]  ? lockdep_softirqs_off+0x430/0x430
[  236.583938][ T5291]  ? kobject_add+0x230/0x230
[  236.588543][ T5291]  ? __init_swait_queue_head+0xa4/0x140
[  236.594099][ T5291]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.598861][ T5291]  ? gfs2_recover_set+0x240/0x240
[  236.604082][ T5291]  ? snprintf+0xe5/0x140
[  236.608511][ T5291]  ? __free_pages+0x95/0x1a0
[  236.613225][ T5291]  ? vscnprintf+0x80/0x80
[  236.617687][ T5291]  gfs2_fill_super+0x11ed/0x1ea0
[  236.622975][ T5291]  ? gfs2_reconfigure+0xd80/0xd80
[  236.628199][ T5291]  ? sb_set_blocksize+0xa5/0xe0
[  236.633333][ T5291]  get_tree_bdev+0x3e6/0x610
[  236.638190][ T5291]  ? gfs2_reconfigure+0xd80/0xd80
[  236.643574][ T5291]  gfs2_get_tree+0x4d/0x1e0
[  236.648163][ T5291]  vfs_get_tree+0x88/0x270
[  236.652575][ T5291]  do_new_mount+0x247/0xa40
[  236.657168][ T5291]  __se_sys_mount+0x2e3/0x3d0
[  236.661850][ T5291]  ? __x64_sys_mount+0xc0/0xc0
[  236.666631][ T5291]  ? lockdep_hardirqs_on+0x94/0x140
[  236.671817][ T5291]  ? __x64_sys_mount+0x1c/0xc0
[  236.676891][ T5291]  do_syscall_64+0x4c/0xa0
[  236.681681][ T5291]  ? clear_bhb_loop+0x30/0x80
[  236.686806][ T5291]  ? clear_bhb_loop+0x30/0x80
[  236.691877][ T5291]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.697881][ T5291] RIP: 0033:0x7faf8f4bf60a
[  236.702420][ T5291] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  236.722335][ T5291] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.730972][ T5291] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  236.739132][ T5291] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  236.747594][ T5291] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  236.755758][ T5291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.763856][ T5291] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  236.772028][ T5291]  </TASK>
[  236.776396][ T5291] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.789991][ T5291] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 11:58:54 executed programs: 179
[  237.104526][ T5293] loop1: detected capacity change from 0 to 32768
[  237.190504][ T5293] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.199595][ T5293] CPU: 0 PID: 5293 Comm: syz.1.194 Not tainted syzkaller #0
[  237.207019][ T5293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  237.218244][ T5293] Call Trace:
[  237.221728][ T5293]  <TASK>
[  237.224677][ T5293]  dump_stack_lvl+0x188/0x250
[  237.229390][ T5293]  ? show_regs_print_info+0x20/0x20
[  237.234711][ T5293]  ? load_image+0x410/0x410
[  237.239376][ T5293]  sysfs_create_dir_ns+0x26a/0x290
[  237.244596][ T5293]  ? sysfs_warn_dup+0xa0/0xa0
[  237.249288][ T5293]  ? do_raw_spin_unlock+0x11d/0x230
[  237.254754][ T5293]  kobject_add_internal+0x5ba/0xcd0
[  237.259967][ T5293]  kobject_init_and_add+0x128/0x190
[  237.265191][ T5293]  ? lockdep_softirqs_off+0x430/0x430
[  237.270763][ T5293]  ? kobject_add+0x230/0x230
[  237.275443][ T5293]  ? __init_swait_queue_head+0xa4/0x140
[  237.281079][ T5293]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.285842][ T5293]  ? gfs2_recover_set+0x240/0x240
[  237.290955][ T5293]  ? snprintf+0xe5/0x140
[  237.295201][ T5293]  ? __free_pages+0x95/0x1a0
[  237.300081][ T5293]  ? vscnprintf+0x80/0x80
[  237.304490][ T5293]  gfs2_fill_super+0x11ed/0x1ea0
[  237.309586][ T5293]  ? gfs2_reconfigure+0xd80/0xd80
[  237.314732][ T5293]  ? sb_set_blocksize+0xa5/0xe0
[  237.319911][ T5293]  get_tree_bdev+0x3e6/0x610
[  237.324516][ T5293]  ? gfs2_reconfigure+0xd80/0xd80
[  237.329526][ T5293]  gfs2_get_tree+0x4d/0x1e0
[  237.334031][ T5293]  vfs_get_tree+0x88/0x270
[  237.338713][ T5293]  do_new_mount+0x247/0xa40
[  237.343219][ T5293]  __se_sys_mount+0x2e3/0x3d0
[  237.347990][ T5293]  ? __x64_sys_mount+0xc0/0xc0
[  237.352903][ T5293]  ? lockdep_hardirqs_on+0x94/0x140
[  237.358108][ T5293]  ? __x64_sys_mount+0x1c/0xc0
[  237.362895][ T5293]  do_syscall_64+0x4c/0xa0
[  237.367308][ T5293]  ? clear_bhb_loop+0x30/0x80
[  237.372001][ T5293]  ? clear_bhb_loop+0x30/0x80
[  237.376975][ T5293]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.382974][ T5293] RIP: 0033:0x7faf8f4bf60a
[  237.387419][ T5293] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  237.407291][ T5293] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.415728][ T5293] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  237.423782][ T5293] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  237.431743][ T5293] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  237.439802][ T5293] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.448135][ T5293] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  237.457703][ T5293]  </TASK>
[  237.467929][ T5293] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.483223][ T5293] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.804128][ T5295] loop1: detected capacity change from 0 to 32768
[  237.867876][ T5295] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.876329][ T5295] CPU: 1 PID: 5295 Comm: syz.1.195 Not tainted syzkaller #0
[  237.884269][ T5295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  237.896432][ T5295] Call Trace:
[  237.899723][ T5295]  <TASK>
[  237.902749][ T5295]  dump_stack_lvl+0x188/0x250
[  237.907451][ T5295]  ? show_regs_print_info+0x20/0x20
[  237.912856][ T5295]  ? load_image+0x410/0x410
[  237.917648][ T5295]  sysfs_create_dir_ns+0x26a/0x290
[  237.922890][ T5295]  ? sysfs_warn_dup+0xa0/0xa0
[  237.927586][ T5295]  ? do_raw_spin_unlock+0x11d/0x230
[  237.932807][ T5295]  kobject_add_internal+0x5ba/0xcd0
[  237.938027][ T5295]  kobject_init_and_add+0x128/0x190
[  237.944080][ T5295]  ? lockdep_softirqs_off+0x430/0x430
[  237.949759][ T5295]  ? kobject_add+0x230/0x230
[  237.954826][ T5295]  ? __init_swait_queue_head+0xa4/0x140
[  237.960657][ T5295]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.965613][ T5295]  ? gfs2_recover_set+0x240/0x240
[  237.970826][ T5295]  ? snprintf+0xe5/0x140
[  237.975274][ T5295]  ? __free_pages+0x95/0x1a0
[  237.980159][ T5295]  ? vscnprintf+0x80/0x80
[  237.984629][ T5295]  gfs2_fill_super+0x11ed/0x1ea0
[  237.990079][ T5295]  ? gfs2_reconfigure+0xd80/0xd80
[  237.995208][ T5295]  ? sb_set_blocksize+0xa5/0xe0
[  238.000620][ T5295]  get_tree_bdev+0x3e6/0x610
[  238.005638][ T5295]  ? gfs2_reconfigure+0xd80/0xd80
[  238.010881][ T5295]  gfs2_get_tree+0x4d/0x1e0
[  238.015758][ T5295]  vfs_get_tree+0x88/0x270
[  238.020353][ T5295]  do_new_mount+0x247/0xa40
[  238.025016][ T5295]  __se_sys_mount+0x2e3/0x3d0
[  238.029802][ T5295]  ? __x64_sys_mount+0xc0/0xc0
[  238.034678][ T5295]  ? lockdep_hardirqs_on+0x94/0x140
[  238.040205][ T5295]  ? __x64_sys_mount+0x1c/0xc0
[  238.044975][ T5295]  do_syscall_64+0x4c/0xa0
[  238.049472][ T5295]  ? clear_bhb_loop+0x30/0x80
[  238.054491][ T5295]  ? clear_bhb_loop+0x30/0x80
[  238.059183][ T5295]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.065424][ T5295] RIP: 0033:0x7faf8f4bf60a
[  238.070043][ T5295] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  238.090778][ T5295] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.099834][ T5295] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  238.107894][ T5295] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  238.116056][ T5295] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  238.125090][ T5295] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.133377][ T5295] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.141583][ T5295]  </TASK>
[  238.147371][ T5295] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.161401][ T5295] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.479023][ T5297] loop1: detected capacity change from 0 to 32768
[  238.501740][ T5297] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.509376][ T5297] CPU: 1 PID: 5297 Comm: syz.1.196 Not tainted syzkaller #0
[  238.516769][ T5297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  238.527046][ T5297] Call Trace:
[  238.530342][ T5297]  <TASK>
[  238.533382][ T5297]  dump_stack_lvl+0x188/0x250
[  238.538228][ T5297]  ? show_regs_print_info+0x20/0x20
[  238.543557][ T5297]  ? load_image+0x410/0x410
[  238.548665][ T5297]  sysfs_create_dir_ns+0x26a/0x290
[  238.554003][ T5297]  ? sysfs_warn_dup+0xa0/0xa0
[  238.558705][ T5297]  ? do_raw_spin_unlock+0x11d/0x230
[  238.563930][ T5297]  kobject_add_internal+0x5ba/0xcd0
[  238.569587][ T5297]  kobject_init_and_add+0x128/0x190
[  238.574933][ T5297]  ? lockdep_softirqs_off+0x430/0x430
[  238.580329][ T5297]  ? kobject_add+0x230/0x230
[  238.584928][ T5297]  ? __init_swait_queue_head+0xa4/0x140
[  238.590843][ T5297]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.595610][ T5297]  ? gfs2_recover_set+0x240/0x240
[  238.600736][ T5297]  ? snprintf+0xe5/0x140
[  238.604980][ T5297]  ? __free_pages+0x95/0x1a0
[  238.609757][ T5297]  ? vscnprintf+0x80/0x80
[  238.614188][ T5297]  gfs2_fill_super+0x11ed/0x1ea0
[  238.619129][ T5297]  ? gfs2_reconfigure+0xd80/0xd80
[  238.624170][ T5297]  ? sb_set_blocksize+0xa5/0xe0
[  238.629375][ T5297]  get_tree_bdev+0x3e6/0x610
[  238.634069][ T5297]  ? gfs2_reconfigure+0xd80/0xd80
[  238.639101][ T5297]  gfs2_get_tree+0x4d/0x1e0
[  238.643708][ T5297]  vfs_get_tree+0x88/0x270
[  238.648140][ T5297]  do_new_mount+0x247/0xa40
[  238.652793][ T5297]  __se_sys_mount+0x2e3/0x3d0
[  238.657472][ T5297]  ? __x64_sys_mount+0xc0/0xc0
[  238.662356][ T5297]  ? lockdep_hardirqs_on+0x94/0x140
[  238.667690][ T5297]  ? __x64_sys_mount+0x1c/0xc0
[  238.672477][ T5297]  do_syscall_64+0x4c/0xa0
[  238.676884][ T5297]  ? clear_bhb_loop+0x30/0x80
[  238.681809][ T5297]  ? clear_bhb_loop+0x30/0x80
[  238.686620][ T5297]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.692690][ T5297] RIP: 0033:0x7faf8f4bf60a
[  238.697729][ T5297] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  238.718345][ T5297] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.726950][ T5297] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  238.734906][ T5297] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  238.742887][ T5297] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  238.750943][ T5297] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.759016][ T5297] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.766990][ T5297]  </TASK>
[  238.771788][ T5297] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.785643][ T5297] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.108783][ T5299] loop1: detected capacity change from 0 to 32768
[  239.154995][ T5299] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.162772][ T5299] CPU: 0 PID: 5299 Comm: syz.1.197 Not tainted syzkaller #0
[  239.170080][ T5299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  239.180464][ T5299] Call Trace:
[  239.183859][ T5299]  <TASK>
[  239.186810][ T5299]  dump_stack_lvl+0x188/0x250
[  239.191521][ T5299]  ? show_regs_print_info+0x20/0x20
[  239.196915][ T5299]  ? load_image+0x410/0x410
[  239.201541][ T5299]  sysfs_create_dir_ns+0x26a/0x290
[  239.206826][ T5299]  ? sysfs_warn_dup+0xa0/0xa0
[  239.212143][ T5299]  ? do_raw_spin_unlock+0x11d/0x230
[  239.217813][ T5299]  kobject_add_internal+0x5ba/0xcd0
[  239.223409][ T5299]  kobject_init_and_add+0x128/0x190
[  239.228837][ T5299]  ? lockdep_softirqs_off+0x430/0x430
[  239.234331][ T5299]  ? kobject_add+0x230/0x230
[  239.239051][ T5299]  ? __init_swait_queue_head+0xa4/0x140
[  239.244681][ T5299]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.249766][ T5299]  ? gfs2_recover_set+0x240/0x240
[  239.254901][ T5299]  ? snprintf+0xe5/0x140
[  239.259135][ T5299]  ? __free_pages+0x95/0x1a0
[  239.263806][ T5299]  ? vscnprintf+0x80/0x80
[  239.268227][ T5299]  gfs2_fill_super+0x11ed/0x1ea0
[  239.273194][ T5299]  ? gfs2_reconfigure+0xd80/0xd80
[  239.278215][ T5299]  ? sb_set_blocksize+0xa5/0xe0
[  239.283493][ T5299]  get_tree_bdev+0x3e6/0x610
[  239.288079][ T5299]  ? gfs2_reconfigure+0xd80/0xd80
[  239.293444][ T5299]  gfs2_get_tree+0x4d/0x1e0
[  239.297964][ T5299]  vfs_get_tree+0x88/0x270
[  239.302409][ T5299]  do_new_mount+0x247/0xa40
[  239.307108][ T5299]  __se_sys_mount+0x2e3/0x3d0
[  239.311772][ T5299]  ? __x64_sys_mount+0xc0/0xc0
[  239.316817][ T5299]  ? lockdep_hardirqs_on+0x94/0x140
[  239.322194][ T5299]  ? __x64_sys_mount+0x1c/0xc0
[  239.327061][ T5299]  do_syscall_64+0x4c/0xa0
[  239.331476][ T5299]  ? clear_bhb_loop+0x30/0x80
[  239.336431][ T5299]  ? clear_bhb_loop+0x30/0x80
[  239.341378][ T5299]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.347281][ T5299] RIP: 0033:0x7faf8f4bf60a
[  239.352155][ T5299] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.371941][ T5299] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.380436][ T5299] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  239.388392][ T5299] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  239.396437][ T5299] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  239.404414][ T5299] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.412650][ T5299] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  239.420907][ T5299]  </TASK>
[  239.425259][ T5299] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.438798][ T5299] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.756584][ T5301] loop1: detected capacity change from 0 to 32768
[  239.809678][ T5301] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.820745][ T5301] CPU: 1 PID: 5301 Comm: syz.1.198 Not tainted syzkaller #0
[  239.828071][ T5301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  239.838136][ T5301] Call Trace:
[  239.841432][ T5301]  <TASK>
[  239.844374][ T5301]  dump_stack_lvl+0x188/0x250
[  239.849078][ T5301]  ? show_regs_print_info+0x20/0x20
[  239.854295][ T5301]  ? load_image+0x410/0x410
[  239.858832][ T5301]  sysfs_create_dir_ns+0x26a/0x290
[  239.863964][ T5301]  ? sysfs_warn_dup+0xa0/0xa0
[  239.868658][ T5301]  ? do_raw_spin_unlock+0x11d/0x230
[  239.874051][ T5301]  kobject_add_internal+0x5ba/0xcd0
[  239.879276][ T5301]  kobject_init_and_add+0x128/0x190
[  239.884497][ T5301]  ? lockdep_softirqs_off+0x430/0x430
[  239.889983][ T5301]  ? kobject_add+0x230/0x230
[  239.894772][ T5301]  ? __init_swait_queue_head+0xa4/0x140
[  239.900338][ T5301]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.905169][ T5301]  ? gfs2_recover_set+0x240/0x240
[  239.910331][ T5301]  ? snprintf+0xe5/0x140
[  239.914658][ T5301]  ? __free_pages+0x95/0x1a0
[  239.919244][ T5301]  ? vscnprintf+0x80/0x80
[  239.923576][ T5301]  gfs2_fill_super+0x11ed/0x1ea0
[  239.928619][ T5301]  ? gfs2_reconfigure+0xd80/0xd80
[  239.933729][ T5301]  ? sb_set_blocksize+0xa5/0xe0
[  239.938691][ T5301]  get_tree_bdev+0x3e6/0x610
[  239.943517][ T5301]  ? gfs2_reconfigure+0xd80/0xd80
[  239.948568][ T5301]  gfs2_get_tree+0x4d/0x1e0
[  239.953057][ T5301]  vfs_get_tree+0x88/0x270
[  239.958057][ T5301]  do_new_mount+0x247/0xa40
[  239.962600][ T5301]  __se_sys_mount+0x2e3/0x3d0
[  239.967300][ T5301]  ? __x64_sys_mount+0xc0/0xc0
[  239.972093][ T5301]  ? lockdep_hardirqs_on+0x94/0x140
[  239.977398][ T5301]  ? __x64_sys_mount+0x1c/0xc0
[  239.982214][ T5301]  do_syscall_64+0x4c/0xa0
[  239.986626][ T5301]  ? clear_bhb_loop+0x30/0x80
[  239.991426][ T5301]  ? clear_bhb_loop+0x30/0x80
[  239.996109][ T5301]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.002001][ T5301] RIP: 0033:0x7faf8f4bf60a
[  240.006413][ T5301] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.026527][ T5301] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.035112][ T5301] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  240.043166][ T5301] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  240.051139][ T5301] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  240.059114][ T5301] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.067528][ T5301] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  240.076083][ T5301]  </TASK>
[  240.080443][ T5301] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.095398][ T5301] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.411149][ T5303] loop1: detected capacity change from 0 to 32768
[  240.467559][ T5303] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.477450][ T5303] CPU: 0 PID: 5303 Comm: syz.1.199 Not tainted syzkaller #0
[  240.486098][ T5303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  240.498531][ T5303] Call Trace:
[  240.504153][ T5303]  <TASK>
[  240.508008][ T5303]  dump_stack_lvl+0x188/0x250
[  240.513584][ T5303]  ? show_regs_print_info+0x20/0x20
[  240.520857][ T5303]  ? load_image+0x410/0x410
[  240.526416][ T5303]  sysfs_create_dir_ns+0x26a/0x290
[  240.531926][ T5303]  ? sysfs_warn_dup+0xa0/0xa0
[  240.536723][ T5303]  ? do_raw_spin_unlock+0x11d/0x230
[  240.542385][ T5303]  kobject_add_internal+0x5ba/0xcd0
[  240.547897][ T5303]  kobject_init_and_add+0x128/0x190
[  240.553126][ T5303]  ? lockdep_softirqs_off+0x430/0x430
[  240.558915][ T5303]  ? kobject_add+0x230/0x230
[  240.563530][ T5303]  ? __init_swait_queue_head+0xa4/0x140
[  240.569352][ T5303]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.574120][ T5303]  ? gfs2_recover_set+0x240/0x240
[  240.579231][ T5303]  ? snprintf+0xe5/0x140
[  240.583494][ T5303]  ? __free_pages+0x95/0x1a0
[  240.588167][ T5303]  ? vscnprintf+0x80/0x80
[  240.592625][ T5303]  gfs2_fill_super+0x11ed/0x1ea0
[  240.597764][ T5303]  ? gfs2_reconfigure+0xd80/0xd80
[  240.603076][ T5303]  ? sb_set_blocksize+0xa5/0xe0
[  240.607935][ T5303]  get_tree_bdev+0x3e6/0x610
[  240.612623][ T5303]  ? gfs2_reconfigure+0xd80/0xd80
[  240.617653][ T5303]  gfs2_get_tree+0x4d/0x1e0
[  240.622156][ T5303]  vfs_get_tree+0x88/0x270
[  240.626698][ T5303]  do_new_mount+0x247/0xa40
[  240.631601][ T5303]  __se_sys_mount+0x2e3/0x3d0
[  240.636377][ T5303]  ? __x64_sys_mount+0xc0/0xc0
[  240.641410][ T5303]  ? lockdep_hardirqs_on+0x94/0x140
[  240.646730][ T5303]  ? __x64_sys_mount+0x1c/0xc0
[  240.651500][ T5303]  do_syscall_64+0x4c/0xa0
[  240.655903][ T5303]  ? clear_bhb_loop+0x30/0x80
[  240.660714][ T5303]  ? clear_bhb_loop+0x30/0x80
[  240.665564][ T5303]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.671705][ T5303] RIP: 0033:0x7faf8f4bf60a
[  240.676124][ T5303] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.696075][ T5303] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.704835][ T5303] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  240.713908][ T5303] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  240.722161][ T5303] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  240.730588][ T5303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.739723][ T5303] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  240.748654][ T5303]  </TASK>
[  240.756352][ T5303] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.770506][ T5303] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.081468][ T5305] loop1: detected capacity change from 0 to 32768
[  241.127596][ T5305] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.138275][ T5305] CPU: 1 PID: 5305 Comm: syz.1.200 Not tainted syzkaller #0
[  241.146174][ T5305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  241.156512][ T5305] Call Trace:
[  241.159815][ T5305]  <TASK>
[  241.162919][ T5305]  dump_stack_lvl+0x188/0x250
[  241.167715][ T5305]  ? show_regs_print_info+0x20/0x20
[  241.173024][ T5305]  ? load_image+0x410/0x410
[  241.177883][ T5305]  sysfs_create_dir_ns+0x26a/0x290
[  241.183109][ T5305]  ? sysfs_warn_dup+0xa0/0xa0
[  241.187809][ T5305]  ? do_raw_spin_unlock+0x11d/0x230
[  241.193211][ T5305]  kobject_add_internal+0x5ba/0xcd0
[  241.198536][ T5305]  kobject_init_and_add+0x128/0x190
[  241.203851][ T5305]  ? lockdep_softirqs_off+0x430/0x430
[  241.209342][ T5305]  ? kobject_add+0x230/0x230
[  241.214090][ T5305]  ? __init_swait_queue_head+0xa4/0x140
[  241.219880][ T5305]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.224649][ T5305]  ? gfs2_recover_set+0x240/0x240
[  241.229656][ T5305]  ? snprintf+0xe5/0x140
[  241.233975][ T5305]  ? __free_pages+0x95/0x1a0
[  241.238567][ T5305]  ? vscnprintf+0x80/0x80
[  241.242984][ T5305]  gfs2_fill_super+0x11ed/0x1ea0
[  241.247923][ T5305]  ? gfs2_reconfigure+0xd80/0xd80
[  241.252965][ T5305]  ? sb_set_blocksize+0xa5/0xe0
[  241.257819][ T5305]  get_tree_bdev+0x3e6/0x610
[  241.262540][ T5305]  ? gfs2_reconfigure+0xd80/0xd80
[  241.267609][ T5305]  gfs2_get_tree+0x4d/0x1e0
[  241.272101][ T5305]  vfs_get_tree+0x88/0x270
[  241.276525][ T5305]  do_new_mount+0x247/0xa40
[  241.281442][ T5305]  __se_sys_mount+0x2e3/0x3d0
[  241.286501][ T5305]  ? __x64_sys_mount+0xc0/0xc0
[  241.291283][ T5305]  ? lockdep_hardirqs_on+0x94/0x140
[  241.296480][ T5305]  ? __x64_sys_mount+0x1c/0xc0
[  241.301493][ T5305]  do_syscall_64+0x4c/0xa0
[  241.305915][ T5305]  ? clear_bhb_loop+0x30/0x80
[  241.310661][ T5305]  ? clear_bhb_loop+0x30/0x80
[  241.315322][ T5305]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.321198][ T5305] RIP: 0033:0x7faf8f4bf60a
[  241.325972][ T5305] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.345977][ T5305] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.354481][ T5305] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  241.362456][ T5305] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  241.370558][ T5305] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  241.378630][ T5305] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.386592][ T5305] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.394653][ T5305]  </TASK>
[  241.399095][ T5305] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.413013][ T5305] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.722422][ T5307] loop1: detected capacity change from 0 to 32768
[  241.794710][ T5307] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.802431][ T5307] CPU: 0 PID: 5307 Comm: syz.1.201 Not tainted syzkaller #0
[  241.809904][ T5307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  241.820173][ T5307] Call Trace:
[  241.823462][ T5307]  <TASK>
[  241.826405][ T5307]  dump_stack_lvl+0x188/0x250
[  241.831270][ T5307]  ? show_regs_print_info+0x20/0x20
[  241.836481][ T5307]  ? load_image+0x410/0x410
[  241.841017][ T5307]  sysfs_create_dir_ns+0x26a/0x290
[  241.846151][ T5307]  ? sysfs_warn_dup+0xa0/0xa0
[  241.850934][ T5307]  ? do_raw_spin_unlock+0x11d/0x230
[  241.856354][ T5307]  kobject_add_internal+0x5ba/0xcd0
[  241.861612][ T5307]  kobject_init_and_add+0x128/0x190
[  241.866917][ T5307]  ? lockdep_softirqs_off+0x430/0x430
[  241.872305][ T5307]  ? kobject_add+0x230/0x230
[  241.877086][ T5307]  ? __init_swait_queue_head+0xa4/0x140
[  241.882627][ T5307]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.887403][ T5307]  ? gfs2_recover_set+0x240/0x240
[  241.892414][ T5307]  ? snprintf+0xe5/0x140
[  241.896645][ T5307]  ? __free_pages+0x95/0x1a0
[  241.901238][ T5307]  ? vscnprintf+0x80/0x80
[  241.905558][ T5307]  gfs2_fill_super+0x11ed/0x1ea0
[  241.910487][ T5307]  ? gfs2_reconfigure+0xd80/0xd80
[  241.915564][ T5307]  ? sb_set_blocksize+0xa5/0xe0
[  241.920404][ T5307]  get_tree_bdev+0x3e6/0x610
[  241.924985][ T5307]  ? gfs2_reconfigure+0xd80/0xd80
[  241.929990][ T5307]  gfs2_get_tree+0x4d/0x1e0
[  241.934476][ T5307]  vfs_get_tree+0x88/0x270
[  241.938893][ T5307]  do_new_mount+0x247/0xa40
[  241.943383][ T5307]  __se_sys_mount+0x2e3/0x3d0
[  241.948043][ T5307]  ? __x64_sys_mount+0xc0/0xc0
[  241.952797][ T5307]  ? lockdep_hardirqs_on+0x94/0x140
[  241.957981][ T5307]  ? __x64_sys_mount+0x1c/0xc0
[  241.962886][ T5307]  do_syscall_64+0x4c/0xa0
[  241.967309][ T5307]  ? clear_bhb_loop+0x30/0x80
[  241.971982][ T5307]  ? clear_bhb_loop+0x30/0x80
[  241.976643][ T5307]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.982529][ T5307] RIP: 0033:0x7faf8f4bf60a
[  241.987066][ T5307] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.006761][ T5307] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.015571][ T5307] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  242.023899][ T5307] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  242.032033][ T5307] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  242.040099][ T5307] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.048516][ T5307] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  242.056597][ T5307]  </TASK>
[  242.060552][ T5307] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.074185][ T5307] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 11:58:59 executed programs: 187
[  242.368806][ T5309] loop1: detected capacity change from 0 to 32768
[  242.449930][ T5309] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.458503][ T5309] CPU: 1 PID: 5309 Comm: syz.1.202 Not tainted syzkaller #0
[  242.466536][ T5309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  242.478089][ T5309] Call Trace:
[  242.481594][ T5309]  <TASK>
[  242.484647][ T5309]  dump_stack_lvl+0x188/0x250
[  242.489525][ T5309]  ? show_regs_print_info+0x20/0x20
[  242.494801][ T5309]  ? load_image+0x410/0x410
[  242.499426][ T5309]  sysfs_create_dir_ns+0x26a/0x290
[  242.504918][ T5309]  ? sysfs_warn_dup+0xa0/0xa0
[  242.509947][ T5309]  ? do_raw_spin_unlock+0x11d/0x230
[  242.515335][ T5309]  kobject_add_internal+0x5ba/0xcd0
[  242.520624][ T5309]  kobject_init_and_add+0x128/0x190
[  242.525813][ T5309]  ? lockdep_softirqs_off+0x430/0x430
[  242.531179][ T5309]  ? kobject_add+0x230/0x230
[  242.535761][ T5309]  ? __init_swait_queue_head+0xa4/0x140
[  242.541506][ T5309]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.546352][ T5309]  ? gfs2_recover_set+0x240/0x240
[  242.551364][ T5309]  ? snprintf+0xe5/0x140
[  242.555694][ T5309]  ? __free_pages+0x95/0x1a0
[  242.560270][ T5309]  ? vscnprintf+0x80/0x80
[  242.564591][ T5309]  gfs2_fill_super+0x11ed/0x1ea0
[  242.569523][ T5309]  ? gfs2_reconfigure+0xd80/0xd80
[  242.574542][ T5309]  ? sb_set_blocksize+0xa5/0xe0
[  242.579563][ T5309]  get_tree_bdev+0x3e6/0x610
[  242.584239][ T5309]  ? gfs2_reconfigure+0xd80/0xd80
[  242.589281][ T5309]  gfs2_get_tree+0x4d/0x1e0
[  242.593795][ T5309]  vfs_get_tree+0x88/0x270
[  242.598201][ T5309]  do_new_mount+0x247/0xa40
[  242.602696][ T5309]  __se_sys_mount+0x2e3/0x3d0
[  242.607384][ T5309]  ? __x64_sys_mount+0xc0/0xc0
[  242.612224][ T5309]  ? lockdep_hardirqs_on+0x94/0x140
[  242.617499][ T5309]  ? __x64_sys_mount+0x1c/0xc0
[  242.622262][ T5309]  do_syscall_64+0x4c/0xa0
[  242.626722][ T5309]  ? clear_bhb_loop+0x30/0x80
[  242.631436][ T5309]  ? clear_bhb_loop+0x30/0x80
[  242.636244][ T5309]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.642136][ T5309] RIP: 0033:0x7faf8f4bf60a
[  242.646548][ T5309] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.666338][ T5309] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.675016][ T5309] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  242.683268][ T5309] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  242.691252][ T5309] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  242.699330][ T5309] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.707302][ T5309] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  242.715501][ T5309]  </TASK>
[  242.720451][ T5309] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.734329][ T5309] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.818945][ T1107] Bluetooth: hci1: command 0x0406 tx timeout
[  243.049306][ T5311] loop1: detected capacity change from 0 to 32768
[  243.151878][ T5311] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.160465][ T5311] CPU: 1 PID: 5311 Comm: syz.1.203 Not tainted syzkaller #0
[  243.167796][ T5311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  243.178141][ T5311] Call Trace:
[  243.181449][ T5311]  <TASK>
[  243.184487][ T5311]  dump_stack_lvl+0x188/0x250
[  243.189198][ T5311]  ? show_regs_print_info+0x20/0x20
[  243.194429][ T5311]  ? load_image+0x410/0x410
[  243.198978][ T5311]  sysfs_create_dir_ns+0x26a/0x290
[  243.204202][ T5311]  ? sysfs_warn_dup+0xa0/0xa0
[  243.208906][ T5311]  ? do_raw_spin_unlock+0x11d/0x230
[  243.214118][ T5311]  kobject_add_internal+0x5ba/0xcd0
[  243.220260][ T5311]  kobject_init_and_add+0x128/0x190
[  243.225712][ T5311]  ? lockdep_softirqs_off+0x430/0x430
[  243.231355][ T5311]  ? kobject_add+0x230/0x230
[  243.236473][ T5311]  ? __init_swait_queue_head+0xa4/0x140
[  243.242341][ T5311]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.247302][ T5311]  ? gfs2_recover_set+0x240/0x240
[  243.252823][ T5311]  ? snprintf+0xe5/0x140
[  243.257456][ T5311]  ? __free_pages+0x95/0x1a0
[  243.262189][ T5311]  ? vscnprintf+0x80/0x80
[  243.266732][ T5311]  gfs2_fill_super+0x11ed/0x1ea0
[  243.271908][ T5311]  ? gfs2_reconfigure+0xd80/0xd80
[  243.277030][ T5311]  ? sb_set_blocksize+0xa5/0xe0
[  243.282239][ T5311]  get_tree_bdev+0x3e6/0x610
[  243.286939][ T5311]  ? gfs2_reconfigure+0xd80/0xd80
[  243.292438][ T5311]  gfs2_get_tree+0x4d/0x1e0
[  243.297509][ T5311]  vfs_get_tree+0x88/0x270
[  243.302158][ T5311]  do_new_mount+0x247/0xa40
[  243.306725][ T5311]  __se_sys_mount+0x2e3/0x3d0
[  243.311411][ T5311]  ? __x64_sys_mount+0xc0/0xc0
[  243.316354][ T5311]  ? lockdep_hardirqs_on+0x94/0x140
[  243.321573][ T5311]  ? __x64_sys_mount+0x1c/0xc0
[  243.326369][ T5311]  do_syscall_64+0x4c/0xa0
[  243.331486][ T5311]  ? clear_bhb_loop+0x30/0x80
[  243.336413][ T5311]  ? clear_bhb_loop+0x30/0x80
[  243.341119][ T5311]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.347039][ T5311] RIP: 0033:0x7faf8f4bf60a
[  243.351469][ T5311] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.371455][ T5311] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.380079][ T5311] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  243.388051][ T5311] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  243.396053][ T5311] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  243.404027][ T5311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.412088][ T5311] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.420154][ T5311]  </TASK>
[  243.425033][ T5311] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.438391][ T5311] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.780486][ T5313] loop1: detected capacity change from 0 to 32768
[  243.842015][ T5313] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.852775][ T5313] CPU: 1 PID: 5313 Comm: syz.1.204 Not tainted syzkaller #0
[  243.860561][ T5313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  243.870907][ T5313] Call Trace:
[  243.874212][ T5313]  <TASK>
[  243.877349][ T5313]  dump_stack_lvl+0x188/0x250
[  243.882266][ T5313]  ? show_regs_print_info+0x20/0x20
[  243.887487][ T5313]  ? load_image+0x410/0x410
[  243.892244][ T5313]  sysfs_create_dir_ns+0x26a/0x290
[  243.897388][ T5313]  ? sysfs_warn_dup+0xa0/0xa0
[  243.902194][ T5313]  ? do_raw_spin_unlock+0x11d/0x230
[  243.907423][ T5313]  kobject_add_internal+0x5ba/0xcd0
[  243.912657][ T5313]  kobject_init_and_add+0x128/0x190
[  243.918665][ T5313]  ? lockdep_softirqs_off+0x430/0x430
[  243.924156][ T5313]  ? kobject_add+0x230/0x230
[  243.928786][ T5313]  ? __init_swait_queue_head+0xa4/0x140
[  243.934526][ T5313]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.939691][ T5313]  ? gfs2_recover_set+0x240/0x240
[  243.944799][ T5313]  ? snprintf+0xe5/0x140
[  243.949205][ T5313]  ? __free_pages+0x95/0x1a0
[  243.954080][ T5313]  ? vscnprintf+0x80/0x80
[  243.958716][ T5313]  gfs2_fill_super+0x11ed/0x1ea0
[  243.963993][ T5313]  ? gfs2_reconfigure+0xd80/0xd80
[  243.969031][ T5313]  ? sb_set_blocksize+0xa5/0xe0
[  243.974081][ T5313]  get_tree_bdev+0x3e6/0x610
[  243.978859][ T5313]  ? gfs2_reconfigure+0xd80/0xd80
[  243.984080][ T5313]  gfs2_get_tree+0x4d/0x1e0
[  243.988575][ T5313]  vfs_get_tree+0x88/0x270
[  243.993393][ T5313]  do_new_mount+0x247/0xa40
[  243.998324][ T5313]  __se_sys_mount+0x2e3/0x3d0
[  244.003100][ T5313]  ? __x64_sys_mount+0xc0/0xc0
[  244.007867][ T5313]  ? lockdep_hardirqs_on+0x94/0x140
[  244.013188][ T5313]  ? __x64_sys_mount+0x1c/0xc0
[  244.018040][ T5313]  do_syscall_64+0x4c/0xa0
[  244.022554][ T5313]  ? clear_bhb_loop+0x30/0x80
[  244.027257][ T5313]  ? clear_bhb_loop+0x30/0x80
[  244.031963][ T5313]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.038124][ T5313] RIP: 0033:0x7faf8f4bf60a
[  244.042625][ T5313] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.063578][ T5313] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.072015][ T5313] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  244.081046][ T5313] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  244.089408][ T5313] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  244.097908][ T5313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.106132][ T5313] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  244.114245][ T5313]  </TASK>
[  244.118764][ T5313] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.132463][ T5313] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.450015][ T5315] loop1: detected capacity change from 0 to 32768
[  244.509834][ T5315] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.517489][ T5315] CPU: 0 PID: 5315 Comm: syz.1.205 Not tainted syzkaller #0
[  244.524994][ T5315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  244.535793][ T5315] Call Trace:
[  244.539444][ T5315]  <TASK>
[  244.542390][ T5315]  dump_stack_lvl+0x188/0x250
[  244.547090][ T5315]  ? show_regs_print_info+0x20/0x20
[  244.552314][ T5315]  ? load_image+0x410/0x410
[  244.556940][ T5315]  sysfs_create_dir_ns+0x26a/0x290
[  244.562163][ T5315]  ? sysfs_warn_dup+0xa0/0xa0
[  244.567132][ T5315]  ? do_raw_spin_unlock+0x11d/0x230
[  244.572693][ T5315]  kobject_add_internal+0x5ba/0xcd0
[  244.578123][ T5315]  kobject_init_and_add+0x128/0x190
[  244.583367][ T5315]  ? lockdep_softirqs_off+0x430/0x430
[  244.588810][ T5315]  ? kobject_add+0x230/0x230
[  244.593510][ T5315]  ? __init_swait_queue_head+0xa4/0x140
[  244.599100][ T5315]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.603886][ T5315]  ? gfs2_recover_set+0x240/0x240
[  244.608989][ T5315]  ? snprintf+0xe5/0x140
[  244.613315][ T5315]  ? __free_pages+0x95/0x1a0
[  244.617915][ T5315]  ? vscnprintf+0x80/0x80
[  244.622246][ T5315]  gfs2_fill_super+0x11ed/0x1ea0
[  244.627460][ T5315]  ? gfs2_reconfigure+0xd80/0xd80
[  244.632838][ T5315]  ? sb_set_blocksize+0xa5/0xe0
[  244.637894][ T5315]  get_tree_bdev+0x3e6/0x610
[  244.642525][ T5315]  ? gfs2_reconfigure+0xd80/0xd80
[  244.647557][ T5315]  gfs2_get_tree+0x4d/0x1e0
[  244.652209][ T5315]  vfs_get_tree+0x88/0x270
[  244.656614][ T5315]  do_new_mount+0x247/0xa40
[  244.661107][ T5315]  __se_sys_mount+0x2e3/0x3d0
[  244.665785][ T5315]  ? __x64_sys_mount+0xc0/0xc0
[  244.670538][ T5315]  ? lockdep_hardirqs_on+0x94/0x140
[  244.675852][ T5315]  ? __x64_sys_mount+0x1c/0xc0
[  244.680725][ T5315]  do_syscall_64+0x4c/0xa0
[  244.685148][ T5315]  ? clear_bhb_loop+0x30/0x80
[  244.689910][ T5315]  ? clear_bhb_loop+0x30/0x80
[  244.694683][ T5315]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.700622][ T5315] RIP: 0033:0x7faf8f4bf60a
[  244.706417][ T5315] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.730336][ T5315] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.739656][ T5315] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  244.748855][ T5315] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  244.757360][ T5315] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  244.765704][ T5315] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.774026][ T5315] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  244.782308][ T5315]  </TASK>
[  244.786901][ T5315] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.800638][ T5315] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.125418][ T5317] loop1: detected capacity change from 0 to 32768
[  245.137633][ T5317] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.145170][ T5317] CPU: 0 PID: 5317 Comm: syz.1.206 Not tainted syzkaller #0
[  245.152481][ T5317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  245.162564][ T5317] Call Trace:
[  245.165865][ T5317]  <TASK>
[  245.168890][ T5317]  dump_stack_lvl+0x188/0x250
[  245.173608][ T5317]  ? show_regs_print_info+0x20/0x20
[  245.179143][ T5317]  ? load_image+0x410/0x410
[  245.183918][ T5317]  sysfs_create_dir_ns+0x26a/0x290
[  245.189036][ T5317]  ? sysfs_warn_dup+0xa0/0xa0
[  245.193721][ T5317]  ? do_raw_spin_unlock+0x11d/0x230
[  245.198913][ T5317]  kobject_add_internal+0x5ba/0xcd0
[  245.204225][ T5317]  kobject_init_and_add+0x128/0x190
[  245.209427][ T5317]  ? lockdep_softirqs_off+0x430/0x430
[  245.214973][ T5317]  ? kobject_add+0x230/0x230
[  245.219644][ T5317]  ? __init_swait_queue_head+0xa4/0x140
[  245.225434][ T5317]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.230214][ T5317]  ? gfs2_recover_set+0x240/0x240
[  245.235435][ T5317]  ? snprintf+0xe5/0x140
[  245.239846][ T5317]  ? __free_pages+0x95/0x1a0
[  245.244574][ T5317]  ? vscnprintf+0x80/0x80
[  245.249090][ T5317]  gfs2_fill_super+0x11ed/0x1ea0
[  245.254034][ T5317]  ? gfs2_reconfigure+0xd80/0xd80
[  245.259229][ T5317]  ? sb_set_blocksize+0xa5/0xe0
[  245.264367][ T5317]  get_tree_bdev+0x3e6/0x610
[  245.268951][ T5317]  ? gfs2_reconfigure+0xd80/0xd80
[  245.273979][ T5317]  gfs2_get_tree+0x4d/0x1e0
[  245.278470][ T5317]  vfs_get_tree+0x88/0x270
[  245.282890][ T5317]  do_new_mount+0x247/0xa40
[  245.287406][ T5317]  __se_sys_mount+0x2e3/0x3d0
[  245.292180][ T5317]  ? __x64_sys_mount+0xc0/0xc0
[  245.296939][ T5317]  ? lockdep_hardirqs_on+0x94/0x140
[  245.302210][ T5317]  ? __x64_sys_mount+0x1c/0xc0
[  245.306970][ T5317]  do_syscall_64+0x4c/0xa0
[  245.311395][ T5317]  ? clear_bhb_loop+0x30/0x80
[  245.316164][ T5317]  ? clear_bhb_loop+0x30/0x80
[  245.320952][ T5317]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.326949][ T5317] RIP: 0033:0x7faf8f4bf60a
[  245.331410][ T5317] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.351197][ T5317] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.359604][ T5317] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  245.367662][ T5317] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  245.375654][ T5317] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  245.383641][ T5317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  245.391969][ T5317] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  245.400045][ T5317]  </TASK>
[  245.404298][ T5317] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.417778][ T5317] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.743179][ T5319] loop1: detected capacity change from 0 to 32768
[  245.807707][ T5319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.815266][ T5319] CPU: 1 PID: 5319 Comm: syz.1.207 Not tainted syzkaller #0
[  245.822662][ T5319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  245.832830][ T5319] Call Trace:
[  245.836125][ T5319]  <TASK>
[  245.839070][ T5319]  dump_stack_lvl+0x188/0x250
[  245.844056][ T5319]  ? show_regs_print_info+0x20/0x20
[  245.849285][ T5319]  ? load_image+0x410/0x410
[  245.854015][ T5319]  sysfs_create_dir_ns+0x26a/0x290
[  245.859247][ T5319]  ? sysfs_warn_dup+0xa0/0xa0
[  245.863960][ T5319]  ? do_raw_spin_unlock+0x11d/0x230
[  245.869185][ T5319]  kobject_add_internal+0x5ba/0xcd0
[  245.874425][ T5319]  kobject_init_and_add+0x128/0x190
[  245.879672][ T5319]  ? lockdep_softirqs_off+0x430/0x430
[  245.885096][ T5319]  ? kobject_add+0x230/0x230
[  245.889706][ T5319]  ? __init_swait_queue_head+0xa4/0x140
[  245.895282][ T5319]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.900049][ T5319]  ? gfs2_recover_set+0x240/0x240
[  245.905091][ T5319]  ? snprintf+0xe5/0x140
[  245.909521][ T5319]  ? __free_pages+0x95/0x1a0
[  245.914206][ T5319]  ? vscnprintf+0x80/0x80
[  245.918531][ T5319]  gfs2_fill_super+0x11ed/0x1ea0
[  245.923466][ T5319]  ? gfs2_reconfigure+0xd80/0xd80
[  245.928654][ T5319]  ? sb_set_blocksize+0xa5/0xe0
[  245.933577][ T5319]  get_tree_bdev+0x3e6/0x610
[  245.938199][ T5319]  ? gfs2_reconfigure+0xd80/0xd80
[  245.943231][ T5319]  gfs2_get_tree+0x4d/0x1e0
[  245.947762][ T5319]  vfs_get_tree+0x88/0x270
[  245.952168][ T5319]  do_new_mount+0x247/0xa40
[  245.956655][ T5319]  __se_sys_mount+0x2e3/0x3d0
[  245.961310][ T5319]  ? __x64_sys_mount+0xc0/0xc0
[  245.966050][ T5319]  ? lockdep_hardirqs_on+0x94/0x140
[  245.971229][ T5319]  ? __x64_sys_mount+0x1c/0xc0
[  245.976002][ T5319]  do_syscall_64+0x4c/0xa0
[  245.980403][ T5319]  ? clear_bhb_loop+0x30/0x80
[  245.985095][ T5319]  ? clear_bhb_loop+0x30/0x80
[  245.989778][ T5319]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.995933][ T5319] RIP: 0033:0x7faf8f4bf60a
[  246.000358][ T5319] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.020057][ T5319] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.028652][ T5319] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  246.036735][ T5319] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  246.044818][ T5319] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  246.052800][ T5319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.061077][ T5319] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.069090][ T5319]  </TASK>
[  246.073888][ T5319] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.087366][ T5319] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.383709][ T5321] loop1: detected capacity change from 0 to 32768
[  246.435242][ T5321] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.442835][ T5321] CPU: 1 PID: 5321 Comm: syz.1.208 Not tainted syzkaller #0
[  246.450139][ T5321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  246.460301][ T5321] Call Trace:
[  246.463690][ T5321]  <TASK>
[  246.466822][ T5321]  dump_stack_lvl+0x188/0x250
[  246.471579][ T5321]  ? show_regs_print_info+0x20/0x20
[  246.477070][ T5321]  ? load_image+0x410/0x410
[  246.482118][ T5321]  sysfs_create_dir_ns+0x26a/0x290
[  246.487790][ T5321]  ? sysfs_warn_dup+0xa0/0xa0
[  246.492520][ T5321]  ? do_raw_spin_unlock+0x11d/0x230
[  246.497859][ T5321]  kobject_add_internal+0x5ba/0xcd0
[  246.503486][ T5321]  kobject_init_and_add+0x128/0x190
[  246.508906][ T5321]  ? lockdep_softirqs_off+0x430/0x430
[  246.514328][ T5321]  ? kobject_add+0x230/0x230
[  246.519004][ T5321]  ? __init_swait_queue_head+0xa4/0x140
[  246.524675][ T5321]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.529468][ T5321]  ? gfs2_recover_set+0x240/0x240
[  246.534544][ T5321]  ? snprintf+0xe5/0x140
[  246.538972][ T5321]  ? __free_pages+0x95/0x1a0
[  246.543602][ T5321]  ? vscnprintf+0x80/0x80
[  246.548043][ T5321]  gfs2_fill_super+0x11ed/0x1ea0
[  246.553186][ T5321]  ? gfs2_reconfigure+0xd80/0xd80
[  246.558220][ T5321]  ? sb_set_blocksize+0xa5/0xe0
[  246.563169][ T5321]  get_tree_bdev+0x3e6/0x610
[  246.567762][ T5321]  ? gfs2_reconfigure+0xd80/0xd80
[  246.572817][ T5321]  gfs2_get_tree+0x4d/0x1e0
[  246.577322][ T5321]  vfs_get_tree+0x88/0x270
[  246.581852][ T5321]  do_new_mount+0x247/0xa40
[  246.586367][ T5321]  __se_sys_mount+0x2e3/0x3d0
[  246.591084][ T5321]  ? __x64_sys_mount+0xc0/0xc0
[  246.596164][ T5321]  ? lockdep_hardirqs_on+0x94/0x140
[  246.601459][ T5321]  ? __x64_sys_mount+0x1c/0xc0
[  246.606227][ T5321]  do_syscall_64+0x4c/0xa0
[  246.610641][ T5321]  ? clear_bhb_loop+0x30/0x80
[  246.615569][ T5321]  ? clear_bhb_loop+0x30/0x80
[  246.620325][ T5321]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.626593][ T5321] RIP: 0033:0x7faf8f4bf60a
[  246.631206][ T5321] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.650954][ T5321] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.659475][ T5321] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  246.667542][ T5321] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  246.675633][ T5321] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  246.683780][ T5321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.691787][ T5321] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.699857][ T5321]  </TASK>
[  246.704698][ T5321] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.717910][ T5321] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.045845][ T5323] loop1: detected capacity change from 0 to 32768
[  247.061151][ T5323] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.069007][ T5323] CPU: 1 PID: 5323 Comm: syz.1.209 Not tainted syzkaller #0
[  247.076323][ T5323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  247.086398][ T5323] Call Trace:
[  247.089705][ T5323]  <TASK>
[  247.092666][ T5323]  dump_stack_lvl+0x188/0x250
[  247.097367][ T5323]  ? show_regs_print_info+0x20/0x20
[  247.102675][ T5323]  ? load_image+0x410/0x410
[  247.107316][ T5323]  sysfs_create_dir_ns+0x26a/0x290
[  247.112777][ T5323]  ? sysfs_warn_dup+0xa0/0xa0
[  247.117441][ T5323]  ? do_raw_spin_unlock+0x11d/0x230
[  247.122892][ T5323]  kobject_add_internal+0x5ba/0xcd0
[  247.128146][ T5323]  kobject_init_and_add+0x128/0x190
[  247.133389][ T5323]  ? lockdep_softirqs_off+0x430/0x430
[  247.138771][ T5323]  ? kobject_add+0x230/0x230
[  247.143475][ T5323]  ? __init_swait_queue_head+0xa4/0x140
[  247.149034][ T5323]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.153823][ T5323]  ? gfs2_recover_set+0x240/0x240
[  247.158887][ T5323]  ? snprintf+0xe5/0x140
[  247.163315][ T5323]  ? __free_pages+0x95/0x1a0
[  247.167901][ T5323]  ? vscnprintf+0x80/0x80
[  247.172396][ T5323]  gfs2_fill_super+0x11ed/0x1ea0
[  247.177450][ T5323]  ? gfs2_reconfigure+0xd80/0xd80
[  247.182909][ T5323]  ? sb_set_blocksize+0xa5/0xe0
[  247.187770][ T5323]  get_tree_bdev+0x3e6/0x610
[  247.192367][ T5323]  ? gfs2_reconfigure+0xd80/0xd80
[  247.197496][ T5323]  gfs2_get_tree+0x4d/0x1e0
[  247.202102][ T5323]  vfs_get_tree+0x88/0x270
[  247.206598][ T5323]  do_new_mount+0x247/0xa40
[  247.211094][ T5323]  __se_sys_mount+0x2e3/0x3d0
[  247.215755][ T5323]  ? __x64_sys_mount+0xc0/0xc0
[  247.220508][ T5323]  ? lockdep_hardirqs_on+0x94/0x140
[  247.225692][ T5323]  ? __x64_sys_mount+0x1c/0xc0
[  247.230453][ T5323]  do_syscall_64+0x4c/0xa0
[  247.234915][ T5323]  ? clear_bhb_loop+0x30/0x80
[  247.239631][ T5323]  ? clear_bhb_loop+0x30/0x80
[  247.244304][ T5323]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.250304][ T5323] RIP: 0033:0x7faf8f4bf60a
[  247.254741][ T5323] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.274531][ T5323] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.283048][ T5323] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  247.291565][ T5323] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  247.299890][ T5323] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  247.308054][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.316058][ T5323] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  247.324306][ T5323]  </TASK>
[  247.328939][ T5323] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.342540][ T5323] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/07/19 11:59:05 executed programs: 195
[  247.698608][ T5325] loop1: detected capacity change from 0 to 32768
[  247.745275][ T5325] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.753092][ T5325] CPU: 0 PID: 5325 Comm: syz.1.210 Not tainted syzkaller #0
[  247.760574][ T5325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  247.770746][ T5325] Call Trace:
[  247.774138][ T5325]  <TASK>
[  247.777180][ T5325]  dump_stack_lvl+0x188/0x250
[  247.781967][ T5325]  ? show_regs_print_info+0x20/0x20
[  247.787472][ T5325]  ? load_image+0x410/0x410
[  247.792057][ T5325]  sysfs_create_dir_ns+0x26a/0x290
[  247.797204][ T5325]  ? sysfs_warn_dup+0xa0/0xa0
[  247.801910][ T5325]  ? do_raw_spin_unlock+0x11d/0x230
[  247.807228][ T5325]  kobject_add_internal+0x5ba/0xcd0
[  247.812739][ T5325]  kobject_init_and_add+0x128/0x190
[  247.818066][ T5325]  ? lockdep_softirqs_off+0x430/0x430
[  247.823466][ T5325]  ? kobject_add+0x230/0x230
[  247.828178][ T5325]  ? __init_swait_queue_head+0xa4/0x140
[  247.833749][ T5325]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.838597][ T5325]  ? gfs2_recover_set+0x240/0x240
[  247.843630][ T5325]  ? snprintf+0xe5/0x140
[  247.847875][ T5325]  ? __free_pages+0x95/0x1a0
[  247.852712][ T5325]  ? vscnprintf+0x80/0x80
[  247.857067][ T5325]  gfs2_fill_super+0x11ed/0x1ea0
[  247.862051][ T5325]  ? gfs2_reconfigure+0xd80/0xd80
[  247.867078][ T5325]  ? sb_set_blocksize+0xa5/0xe0
[  247.872264][ T5325]  get_tree_bdev+0x3e6/0x610
[  247.876970][ T5325]  ? gfs2_reconfigure+0xd80/0xd80
[  247.881997][ T5325]  gfs2_get_tree+0x4d/0x1e0
[  247.886518][ T5325]  vfs_get_tree+0x88/0x270
[  247.890924][ T5325]  do_new_mount+0x247/0xa40
[  247.895417][ T5325]  __se_sys_mount+0x2e3/0x3d0
[  247.900186][ T5325]  ? __x64_sys_mount+0xc0/0xc0
[  247.905053][ T5325]  ? lockdep_hardirqs_on+0x94/0x140
[  247.910250][ T5325]  ? __x64_sys_mount+0x1c/0xc0
[  247.915038][ T5325]  do_syscall_64+0x4c/0xa0
[  247.919622][ T5325]  ? clear_bhb_loop+0x30/0x80
[  247.924293][ T5325]  ? clear_bhb_loop+0x30/0x80
[  247.929334][ T5325]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.935305][ T5325] RIP: 0033:0x7faf8f4bf60a
[  247.939711][ T5325] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.959830][ T5325] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.968407][ T5325] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  247.976382][ T5325] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  247.984436][ T5325] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  247.992534][ T5325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.000521][ T5325] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.008678][ T5325]  </TASK>
[  248.013048][ T5325] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.026346][ T5325] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.166415][   T27] INFO: task syz.0.17:4911 blocked for more than 143 seconds.
[  248.179438][   T27]       Not tainted syzkaller #0
[  248.188171][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  248.199170][   T27] task:syz.0.17        state:D stack:24080 pid: 4911 ppid:  4749 flags:0x00004004
[  248.209159][   T27] Call Trace:
[  248.212473][   T27]  <TASK>
[  248.215469][   T27]  __schedule+0x11c3/0x4350
[  248.220508][   T27]  ? mark_lock+0x94/0x320
[  248.225092][   T27]  ? lock_chain_count+0x20/0x20
[  248.232693][   T27]  ? release_firmware_map_entry+0x190/0x190
[  248.239199][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x120
[  248.245577][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  248.253699][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  248.260838][   T27]  schedule+0x11b/0x1e0
[  248.265038][   T27]  bit_wait+0xd/0xc0
[  248.271797][   T27]  out_of_line_wait_on_bit+0x173/0x230
[  248.277756][   T27]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  248.283867][   T27]  ? __wait_on_bit+0x170/0x170
[  248.291349][   T27]  ? bit_waitqueue+0x30/0x30
[  248.296024][   T27]  gfs2_glock_wait+0xd9/0x1c0
[  248.301188][   T27]  gfs2_statfs_init+0x124/0x4e0
[  248.309173][   T27]  ? gfs2_glock_wait+0x136/0x1c0
[  248.314354][   T27]  ? gfs2_statfs_change_out+0xe0/0xe0
[  248.320212][   T27]  ? init_per_node+0x2c9/0x3e0
[  248.325143][   T27]  ? gfs2_statfs_init+0x11c/0x4e0
[  248.332927][   T27]  ? init_inodes+0x26a/0x320
[  248.337870][   T27]  gfs2_fill_super+0x16bb/0x1ea0
[  248.342934][   T27]  ? gfs2_reconfigure+0xd80/0xd80
[  248.350423][   T27]  ? gfs2_glock_nq_num+0x7e/0x1b0
[  248.355508][   T27]  ? sb_set_blocksize+0xa5/0xe0
[  248.361150][   T27]  get_tree_bdev+0x3e6/0x610
[  248.365895][   T27]  ? gfs2_reconfigure+0xd80/0xd80
[  248.371635][   T27]  gfs2_get_tree+0x4d/0x1e0
[  248.376474][   T27]  vfs_get_tree+0x88/0x270
[  248.380934][   T27]  do_new_mount+0x247/0xa40
[  248.385484][   T27]  __se_sys_mount+0x2e3/0x3d0
[  248.390753][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  248.395557][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  248.401202][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  248.406615][   T27]  do_syscall_64+0x4c/0xa0
[  248.411050][   T27]  ? clear_bhb_loop+0x30/0x80
[  248.415740][   T27]  ? clear_bhb_loop+0x30/0x80
[  248.421708][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.427963][   T27] RIP: 0033:0x7f7822c8d60a
[  248.432396][   T27] RSP: 002b:00007f78222efe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.441256][   T27] RAX: ffffffffffffffda RBX: 00007f78222efee0 RCX: 00007f7822c8d60a
[  248.450682][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f78222efea0
[  248.459043][   T27] RBP: 0000200000000400 R08: 00007f78222efee0 R09: 0000000000000000
[  248.467831][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.475828][   T27] R13: 00007f78222efea0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.483853][ T5327] loop1: detected capacity change from 0 to 32768
[  248.484522][   T27]  </TASK>
[  248.493980][   T27] 
[  248.493980][   T27] Showing all locks held in the system:
[  248.502315][   T27] 1 lock held by khungtaskd/27:
[  248.508145][   T27]  #0: ffffffff8c31ef20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  248.517913][   T27] 2 locks held by kworker/u4:4/1231:
[  248.518671][ T5327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.524148][   T27] 2 locks held by getty/3946:
[  248.532151][ T5327] CPU: 0 PID: 5327 Comm: syz.1.211 Not tainted syzkaller #0
[  248.539403][   T27]  #0: 
[  248.543800][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  248.543802][   T27] ffff88814cabe098
[  248.543816][ T5327] Call Trace:
[  248.543824][ T5327]  <TASK>
[  248.547304][   T27]  (
[  248.557526][ T5327]  dump_stack_lvl+0x188/0x250
[  248.557565][ T5327]  ? show_regs_print_info+0x20/0x20
[  248.557582][ T5327]  ? load_image+0x410/0x410
[  248.557609][ T5327]  sysfs_create_dir_ns+0x26a/0x290
[  248.562392][   T27] &tty->ldisc_sem
[  248.564926][ T5327]  ? sysfs_warn_dup+0xa0/0xa0
[  248.564952][ T5327]  ? do_raw_spin_unlock+0x11d/0x230
[  248.564971][ T5327]  kobject_add_internal+0x5ba/0xcd0
[  248.564994][ T5327]  kobject_init_and_add+0x128/0x190
[  248.565012][ T5327]  ? lockdep_softirqs_off+0x430/0x430
[  248.565034][ T5327]  ? kobject_add+0x230/0x230
[  248.565056][ T5327]  ? __init_swait_queue_head+0xa4/0x140
[  248.565079][ T5327]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.565102][ T5327]  ? gfs2_recover_set+0x240/0x240
[  248.565121][ T5327]  ? snprintf+0xe5/0x140
[  248.565137][ T5327]  ? __free_pages+0x95/0x1a0
[  248.565159][ T5327]  ? vscnprintf+0x80/0x80
[  248.565186][ T5327]  gfs2_fill_super+0x11ed/0x1ea0
[  248.565211][ T5327]  ? gfs2_reconfigure+0xd80/0xd80
[  248.565242][ T5327]  ? sb_set_blocksize+0xa5/0xe0
[  248.565262][ T5327]  get_tree_bdev+0x3e6/0x610
[  248.565282][ T5327]  ? gfs2_reconfigure+0xd80/0xd80
[  248.565299][ T5327]  gfs2_get_tree+0x4d/0x1e0
[  248.565316][ T5327]  vfs_get_tree+0x88/0x270
[  248.570020][   T27] ){++++}-{0:0}
[  248.570888][ T5327]  do_new_mount+0x247/0xa40
[  248.575552][   T27] , at: tty_ldisc_ref_wait+0x21/0x70
[  248.581085][ T5327]  __se_sys_mount+0x2e3/0x3d0
[  248.581109][ T5327]  ? __x64_sys_mount+0xc0/0xc0
[  248.581126][ T5327]  ? lockdep_hardirqs_on+0x94/0x140
[  248.581142][ T5327]  ? __x64_sys_mount+0x1c/0xc0
[  248.581160][ T5327]  do_syscall_64+0x4c/0xa0
[  248.586694][   T27]  #1: 
[  248.590732][ T5327]  ? clear_bhb_loop+0x30/0x80
[  248.594364][   T27] ffffc90002cf62e8
[  248.599027][ T5327]  ? clear_bhb_loop+0x30/0x80
[  248.599051][ T5327]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.599067][ T5327] RIP: 0033:0x7faf8f4bf60a
[  248.599084][ T5327] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.599097][ T5327] RSP: 002b:00007faf8eb21e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.605453][   T27]  (
[  248.610240][ T5327] RAX: ffffffffffffffda RBX: 00007faf8eb21ee0 RCX: 00007faf8f4bf60a
[  248.610267][ T5327] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007faf8eb21ea0
[  248.610276][ T5327] RBP: 0000200000000400 R08: 00007faf8eb21ee0 R09: 0000000000000000
[  248.610286][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.610295][ T5327] R13: 00007faf8eb21ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.610318][ T5327]  </TASK>
[  248.614102][ T5327] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.617243][   T27] &ldata->atomic_read_lock
[  248.621408][ T5327] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.626936][   T27] ){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[  248.857943][   T27] 1 lock held by syz.0.17/4911:
[  248.862792][   T27]  #0: ffff8880251f00e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x200/0x970
[  248.873215][   T27] 1 lock held by syz-executor/4915:
[  248.878508][   T27]  #0: ffff8880201f2118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x162/0xa50
[  248.889233][   T27] 2 locks held by udevd/4918:
[  248.894014][   T27]  #0: ffff8880201f2118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf1/0x780
[  248.903793][   T27]  #1: ffff888147596468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xb50
[  248.913291][   T27] 
[  248.915728][   T27] =============================================
[  248.915728][   T27] 
[  248.925210][   T27] NMI backtrace for cpu 1
[  248.929634][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  248.936861][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  248.947187][   T27] Call Trace:
[  248.950571][   T27]  <TASK>
[  248.953489][   T27]  dump_stack_lvl+0x188/0x250
[  248.958248][   T27]  ? show_regs_print_info+0x20/0x20
[  248.963516][   T27]  ? load_image+0x410/0x410
[  248.968091][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  248.973471][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  248.978668][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  248.983598][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  248.989729][   T27]  ? _printk+0xda/0x130
[  248.994076][   T27]  ? load_image+0x410/0x410
[  248.998668][   T27]  ? load_image+0x410/0x410
[  249.003422][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  249.009477][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  249.015446][   T27]  watchdog+0xe1b/0xe60
[  249.019613][   T27]  kthread+0x42e/0x520
[  249.023690][   T27]  ? hungtask_pm_notify+0x40/0x40
[  249.028757][   T27]  ? kthread_blkcg+0xd0/0xd0
[  249.033342][   T27]  ret_from_fork+0x1f/0x30
[  249.037844][   T27]  </TASK>
[  249.041445][   T27] Sending NMI from CPU 1 to CPUs 0:
[  249.047025][    C0] NMI backtrace for cpu 0
[  249.047040][    C0] CPU: 0 PID: 1231 Comm: kworker/u4:4 Not tainted syzkaller #0
[  249.047056][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  249.047066][    C0] Workqueue: events_unbound cfg80211_wiphy_work
[  249.047090][    C0] RIP: 0010:unwind_next_frame+0x3dd/0x1cf0
[  249.047157][    C0] Code: 06 01 49 c7 c4 a0 99 28 8a 4d 8d 7c 24 04 4d 8d 74 24 05 4d 89 fd 49 c1 ed 03 48 bd 00 00 00 00 00 fc ff df 41 0f b6 44 2d 00 <84> c0 0f 85 f0 12 00 00 4c 89 f0 48 c1 e8 03 0f b6 04 28 84 c0 0f
[  249.047170][    C0] RSP: 0018:ffffc90004f17390 EFLAGS: 00000a03
[  249.047182][    C0] RAX: 0000000000000000 RBX: ffffc90004f17428 RCX: ffffffff8df6071c
[  249.047193][    C0] RDX: ffffffff8e900342 RSI: ffffffff8df60718 RDI: ffffffff81350ed7
[  249.047204][    C0] RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003
[  249.047213][    C0] R10: dffffc0000000000 R11: fffff520009e2e91 R12: ffffffff8e900342
[  249.047224][    C0] R13: 1ffffffff1d20068 R14: ffffffff8e900347 R15: ffffffff8e900346
[  249.047235][    C0] FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  249.047247][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  249.047257][    C0] CR2: 000055558cebaa88 CR3: 000000007e6ec000 CR4: 00000000003506f0
[  249.047270][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  249.047278][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  249.047288][    C0] Call Trace:
[  249.047293][    C0]  <TASK>
[  249.047300][    C0]  ? ieee80211_iface_work+0x714/0xc50
[  249.047319][    C0]  ? stack_trace_save+0xf0/0xf0
[  249.047334][    C0]  arch_stack_walk+0x10c/0x140
[  249.047352][    C0]  ? ieee80211_iface_work+0x714/0xc50
[  249.047367][    C0]  stack_trace_save+0xa6/0xf0
[  249.047379][    C0]  ? stack_trace_snprint+0xe0/0xe0
[  249.047395][    C0]  ? memset+0x1e/0x40
[  249.047412][    C0]  __kasan_kmalloc+0xaf/0xe0
[  249.047426][    C0]  ? __kasan_kmalloc+0xaf/0xe0
[  249.047439][    C0]  ? ieee802_11_parse_elems_crc+0xb3/0x1090
[  249.047457][    C0]  ? ieee80211_ibss_rx_queued_mgmt+0x36b/0x2b50
[  249.047470][    C0]  ? ieee80211_iface_work+0x714/0xc50
[  249.047500][    C0]  ieee802_11_parse_elems_crc+0xb3/0x1090
[  249.047520][    C0]  ? ieee80211_ibss_rx_queued_mgmt+0xff/0x2b50
[  249.047533][    C0]  ? verify_lock_unused+0x140/0x140
[  249.047551][    C0]  ? mutex_lock_io_nested+0x60/0x60
[  249.047570][    C0]  ? verify_lock_unused+0x140/0x140
[  249.047585][    C0]  ? ieee80211_queue_delayed_work+0x150/0x150
[  249.047601][    C0]  ? verify_lock_unused+0x140/0x140
[  249.047619][    C0]  ieee80211_ibss_rx_queued_mgmt+0x36b/0x2b50
[  249.047636][    C0]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[  249.047654][    C0]  ? __rwlock_init+0x140/0x140
[  249.047668][    C0]  ? ieee80211_ibss_rx_no_sta+0x750/0x750
[  249.047680][    C0]  ? _raw_spin_unlock_irqrestore+0x82/0x120
[  249.047697][    C0]  ? lockdep_hardirqs_on+0x94/0x140
[  249.047713][    C0]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  249.047729][    C0]  ? _raw_spin_unlock+0x40/0x40
[  249.047743][    C0]  ? kcov_remote_start+0x6a/0x490
[  249.047760][    C0]  ? kcov_remote_start+0xfa/0x490
[  249.047775][    C0]  ieee80211_iface_work+0x714/0xc50
[  249.047789][    C0]  ? _raw_spin_unlock_irq+0x1f/0x40
[  249.047805][    C0]  cfg80211_wiphy_work+0x224/0x260
[  249.047822][    C0]  process_one_work+0x867/0xff0
[  249.047843][    C0]  ? worker_detach_from_pool+0x240/0x240
[  249.047857][    C0]  ? lockdep_hardirqs_off+0x70/0x100
[  249.047872][    C0]  ? _raw_spin_lock_irq+0xb7/0xf0
[  249.047886][    C0]  ? _raw_spin_lock_irqsave+0x100/0x100
[  249.047903][    C0]  ? wq_worker_running+0x97/0x170
[  249.047917][    C0]  worker_thread+0xad7/0x12a0
[  249.047936][    C0]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  249.047956][    C0]  kthread+0x42e/0x520
[  249.047969][    C0]  ? rcu_lock_release+0x20/0x20
[  249.047982][    C0]  ? kthread_blkcg+0xd0/0xd0
[  249.047995][    C0]  ret_from_fork+0x1f/0x30
[  249.048016][    C0]  </TASK>
[  249.049680][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  249.437850][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  249.445165][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
[  249.455231][   T27] Call Trace:
[  249.458511][   T27]  <TASK>
[  249.461534][   T27]  dump_stack_lvl+0x188/0x250
[  249.466453][   T27]  ? show_regs_print_info+0x20/0x20
[  249.471925][   T27]  ? load_image+0x410/0x410
[  249.476580][   T27]  panic+0x2f8/0x850
[  249.480590][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  249.486314][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  249.490838][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  249.497000][   T27]  watchdog+0xe5a/0xe60
[  249.501179][   T27]  kthread+0x42e/0x520
[  249.505262][   T27]  ? hungtask_pm_notify+0x40/0x40
[  249.510386][   T27]  ? kthread_blkcg+0xd0/0xd0
[  249.515320][   T27]  ret_from_fork+0x1f/0x30
[  249.520011][   T27]  </TASK>
[  249.523563][   T27] Kernel Offset: disabled
[  249.527918][   T27] Rebooting in 86400 seconds..