e8 ff ff ff f7 d8 64 89 01 48
[  267.426384][ T4535] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.434826][ T4535] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  267.442833][ T4535] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  267.450857][ T4535] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  267.459008][ T4535] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  267.467009][ T4535] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  267.474997][ T4535]  </TASK>
[  267.480574][ T4535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.493951][ T4535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.853988][ T4536] loop1: detected capacity change from 0 to 32768
[  267.910560][ T4536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.919407][ T4536] CPU: 1 PID: 4536 Comm: syz.1.176 Not tainted syzkaller #0
[  267.926757][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  267.936861][ T4536] Call Trace:
[  267.940173][ T4536]  <TASK>
[  267.943140][ T4536]  dump_stack_lvl+0x188/0x250
[  267.947863][ T4536]  ? show_regs_print_info+0x20/0x20
[  267.953120][ T4536]  ? load_image+0x400/0x400
[  267.957676][ T4536]  sysfs_create_dir_ns+0x26a/0x290
[  267.962828][ T4536]  ? sysfs_warn_dup+0xa0/0xa0
[  267.967638][ T4536]  ? do_raw_spin_unlock+0x11d/0x230
[  267.972900][ T4536]  kobject_add_internal+0x6e0/0xd90
[  267.978166][ T4536]  kobject_init_and_add+0x128/0x190
[  267.983428][ T4536]  ? lockdep_softirqs_off+0x430/0x430
[  267.988847][ T4536]  ? kobject_add+0x230/0x230
[  267.993472][ T4536]  ? __init_swait_queue_head+0xa5/0x150
[  267.999097][ T4536]  gfs2_sys_fs_add+0x24f/0x4b0
[  268.003902][ T4536]  ? gfs2_recover_set+0x240/0x240
[  268.008956][ T4536]  ? snprintf+0xe5/0x140
[  268.013231][ T4536]  ? __free_pages+0x95/0x1a0
[  268.017864][ T4536]  ? vscnprintf+0x80/0x80
[  268.022240][ T4536]  gfs2_fill_super+0x120f/0x1f00
[  268.027231][ T4536]  ? gfs2_reconfigure+0xd30/0xd30
[  268.032303][ T4536]  ? sb_set_blocksize+0xa5/0xe0
[  268.037188][ T4536]  get_tree_bdev+0x3f1/0x610
[  268.041818][ T4536]  ? gfs2_reconfigure+0xd30/0xd30
[  268.046874][ T4536]  gfs2_get_tree+0x4d/0x1e0
[  268.051412][ T4536]  vfs_get_tree+0x88/0x270
[  268.055864][ T4536]  do_new_mount+0x24a/0xa40
[  268.060418][ T4536]  __se_sys_mount+0x2e3/0x3d0
[  268.065142][ T4536]  ? __x64_sys_mount+0xc0/0xc0
[  268.070008][ T4536]  ? lockdep_hardirqs_on+0x94/0x140
[  268.075245][ T4536]  ? __x64_sys_mount+0x1c/0xc0
[  268.080046][ T4536]  do_syscall_64+0x4c/0xa0
[  268.084522][ T4536]  ? clear_bhb_loop+0x30/0x80
[  268.089234][ T4536]  ? clear_bhb_loop+0x30/0x80
[  268.093942][ T4536]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.100088][ T4536] RIP: 0033:0x7f75eddc1f4a
[  268.104530][ T4536] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.124165][ T4536] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.132620][ T4536] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  268.140674][ T4536] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  268.148689][ T4536] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  268.156778][ T4536] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  268.164770][ T4536] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  268.172788][ T4536]  </TASK>
[  268.180415][ T4536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.193803][ T4536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.541230][ T4537] loop1: detected capacity change from 0 to 32768
[  268.554983][ T4537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.562732][ T4537] CPU: 1 PID: 4537 Comm: syz.1.177 Not tainted syzkaller #0
[  268.570067][ T4537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  268.580152][ T4537] Call Trace:
[  268.583451][ T4537]  <TASK>
[  268.586416][ T4537]  dump_stack_lvl+0x188/0x250
[  268.591124][ T4537]  ? show_regs_print_info+0x20/0x20
[  268.596387][ T4537]  ? load_image+0x400/0x400
[  268.600939][ T4537]  sysfs_create_dir_ns+0x26a/0x290
[  268.606087][ T4537]  ? sysfs_warn_dup+0xa0/0xa0
[  268.610795][ T4537]  ? do_raw_spin_unlock+0x11d/0x230
[  268.616026][ T4537]  kobject_add_internal+0x6e0/0xd90
[  268.621257][ T4537]  kobject_init_and_add+0x128/0x190
[  268.626475][ T4537]  ? lockdep_softirqs_off+0x430/0x430
[  268.631887][ T4537]  ? kobject_add+0x230/0x230
[  268.636502][ T4537]  ? __init_swait_queue_head+0xa5/0x150
[  268.642097][ T4537]  gfs2_sys_fs_add+0x24f/0x4b0
[  268.646895][ T4537]  ? gfs2_recover_set+0x240/0x240
[  268.651942][ T4537]  ? snprintf+0xe5/0x140
[  268.656231][ T4537]  ? __free_pages+0x95/0x1a0
[  268.660857][ T4537]  ? vscnprintf+0x80/0x80
[  268.665231][ T4537]  gfs2_fill_super+0x120f/0x1f00
[  268.670205][ T4537]  ? gfs2_reconfigure+0xd30/0xd30
[  268.675269][ T4537]  ? sb_set_blocksize+0xa5/0xe0
[  268.680140][ T4537]  get_tree_bdev+0x3f1/0x610
[  268.684760][ T4537]  ? gfs2_reconfigure+0xd30/0xd30
[  268.689813][ T4537]  gfs2_get_tree+0x4d/0x1e0
[  268.694335][ T4537]  vfs_get_tree+0x88/0x270
[  268.698773][ T4537]  do_new_mount+0x24a/0xa40
[  268.703306][ T4537]  __se_sys_mount+0x2e3/0x3d0
[  268.708021][ T4537]  ? __x64_sys_mount+0xc0/0xc0
[  268.712790][ T4537]  ? lockdep_hardirqs_on+0x94/0x140
[  268.717988][ T4537]  ? __x64_sys_mount+0x1c/0xc0
[  268.722758][ T4537]  do_syscall_64+0x4c/0xa0
[  268.727173][ T4537]  ? clear_bhb_loop+0x30/0x80
[  268.731840][ T4537]  ? clear_bhb_loop+0x30/0x80
[  268.736524][ T4537]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.742430][ T4537] RIP: 0033:0x7f75eddc1f4a
[  268.746853][ T4537] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.766450][ T4537] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.774858][ T4537] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  268.782832][ T4537] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  268.790803][ T4537] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  268.798782][ T4537] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  268.806766][ T4537] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  268.814740][ T4537]  </TASK>
[  268.819032][ T4537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.832313][ T4537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.195257][ T4538] loop1: detected capacity change from 0 to 32768
[  269.252462][ T4538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.260785][ T4538] CPU: 1 PID: 4538 Comm: syz.1.178 Not tainted syzkaller #0
[  269.268116][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  269.278322][ T4538] Call Trace:
[  269.281630][ T4538]  <TASK>
[  269.285099][ T4538]  dump_stack_lvl+0x188/0x250
[  269.289815][ T4538]  ? show_regs_print_info+0x20/0x20
[  269.295043][ T4538]  ? load_image+0x400/0x400
[  269.299588][ T4538]  sysfs_create_dir_ns+0x26a/0x290
[  269.304728][ T4538]  ? sysfs_warn_dup+0xa0/0xa0
[  269.309434][ T4538]  ? do_raw_spin_unlock+0x11d/0x230
[  269.314663][ T4538]  kobject_add_internal+0x6e0/0xd90
[  269.319893][ T4538]  kobject_init_and_add+0x128/0x190
[  269.325137][ T4538]  ? lockdep_softirqs_off+0x430/0x430
[  269.330552][ T4538]  ? kobject_add+0x230/0x230
[  269.335165][ T4538]  ? __init_swait_queue_head+0xa5/0x150
[  269.340737][ T4538]  gfs2_sys_fs_add+0x24f/0x4b0
[  269.345526][ T4538]  ? gfs2_recover_set+0x240/0x240
[  269.350573][ T4538]  ? snprintf+0xe5/0x140
[  269.354838][ T4538]  ? __free_pages+0x95/0x1a0
[  269.359463][ T4538]  ? vscnprintf+0x80/0x80
[  269.363831][ T4538]  gfs2_fill_super+0x120f/0x1f00
[  269.368809][ T4538]  ? gfs2_reconfigure+0xd30/0xd30
[  269.373886][ T4538]  ? sb_set_blocksize+0xa5/0xe0
[  269.378780][ T4538]  get_tree_bdev+0x3f1/0x610
[  269.383398][ T4538]  ? gfs2_reconfigure+0xd30/0xd30
[  269.388449][ T4538]  gfs2_get_tree+0x4d/0x1e0
[  269.392986][ T4538]  vfs_get_tree+0x88/0x270
[  269.397433][ T4538]  do_new_mount+0x24a/0xa40
[  269.401975][ T4538]  __se_sys_mount+0x2e3/0x3d0
[  269.406713][ T4538]  ? __x64_sys_mount+0xc0/0xc0
[  269.411514][ T4538]  ? lockdep_hardirqs_on+0x94/0x140
[  269.416738][ T4538]  ? __x64_sys_mount+0x1c/0xc0
[  269.421560][ T4538]  do_syscall_64+0x4c/0xa0
[  269.426012][ T4538]  ? clear_bhb_loop+0x30/0x80
[  269.430731][ T4538]  ? clear_bhb_loop+0x30/0x80
[  269.435438][ T4538]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.441359][ T4538] RIP: 0033:0x7f75eddc1f4a
[  269.445804][ T4538] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.465541][ T4538] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.473978][ T4538] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  269.481983][ T4538] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  269.489996][ T4538] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  269.497971][ T4538] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  269.505938][ T4538] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  269.513922][ T4538]  </TASK>
[  269.518472][ T4538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.532074][ T4538] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 18:12:06 executed programs: 164
[  269.901799][ T4539] loop1: detected capacity change from 0 to 32768
[  269.915501][ T4539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.923083][ T4539] CPU: 1 PID: 4539 Comm: syz.1.179 Not tainted syzkaller #0
[  269.930396][ T4539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  269.940476][ T4539] Call Trace:
[  269.943785][ T4539]  <TASK>
[  269.946750][ T4539]  dump_stack_lvl+0x188/0x250
[  269.951470][ T4539]  ? show_regs_print_info+0x20/0x20
[  269.956721][ T4539]  ? load_image+0x400/0x400
[  269.961275][ T4539]  sysfs_create_dir_ns+0x26a/0x290
[  269.966425][ T4539]  ? sysfs_warn_dup+0xa0/0xa0
[  269.971130][ T4539]  ? do_raw_spin_unlock+0x11d/0x230
[  269.976365][ T4539]  kobject_add_internal+0x6e0/0xd90
[  269.981608][ T4539]  kobject_init_and_add+0x128/0x190
[  269.986861][ T4539]  ? lockdep_softirqs_off+0x430/0x430
[  269.992268][ T4539]  ? kobject_add+0x230/0x230
[  269.996893][ T4539]  ? __init_swait_queue_head+0xa5/0x150
[  270.002469][ T4539]  gfs2_sys_fs_add+0x24f/0x4b0
[  270.007273][ T4539]  ? gfs2_recover_set+0x240/0x240
[  270.012325][ T4539]  ? snprintf+0xe5/0x140
[  270.016604][ T4539]  ? __free_pages+0x95/0x1a0
[  270.021228][ T4539]  ? vscnprintf+0x80/0x80
[  270.025608][ T4539]  gfs2_fill_super+0x120f/0x1f00
[  270.030595][ T4539]  ? gfs2_reconfigure+0xd30/0xd30
[  270.035674][ T4539]  ? sb_set_blocksize+0xa5/0xe0
[  270.040556][ T4539]  get_tree_bdev+0x3f1/0x610
[  270.045192][ T4539]  ? gfs2_reconfigure+0xd30/0xd30
[  270.050242][ T4539]  gfs2_get_tree+0x4d/0x1e0
[  270.054743][ T4539]  vfs_get_tree+0x88/0x270
[  270.059159][ T4539]  do_new_mount+0x24a/0xa40
[  270.063690][ T4539]  __se_sys_mount+0x2e3/0x3d0
[  270.068391][ T4539]  ? __x64_sys_mount+0xc0/0xc0
[  270.073174][ T4539]  ? lockdep_hardirqs_on+0x94/0x140
[  270.078385][ T4539]  ? __x64_sys_mount+0x1c/0xc0
[  270.083181][ T4539]  do_syscall_64+0x4c/0xa0
[  270.087593][ T4539]  ? clear_bhb_loop+0x30/0x80
[  270.092259][ T4539]  ? clear_bhb_loop+0x30/0x80
[  270.096953][ T4539]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.102844][ T4539] RIP: 0033:0x7f75eddc1f4a
[  270.107263][ T4539] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.126885][ T4539] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.135318][ T4539] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  270.143595][ T4539] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  270.151569][ T4539] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  270.159543][ T4539] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  270.167511][ T4539] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  270.175488][ T4539]  </TASK>
[  270.179770][ T4539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.193087][ T4539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.558492][ T4540] loop1: detected capacity change from 0 to 32768
[  270.608770][ T4540] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.616199][ T4540] CPU: 1 PID: 4540 Comm: syz.1.180 Not tainted syzkaller #0
[  270.623548][ T4540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  270.633626][ T4540] Call Trace:
[  270.636943][ T4540]  <TASK>
[  270.639897][ T4540]  dump_stack_lvl+0x188/0x250
[  270.644605][ T4540]  ? show_regs_print_info+0x20/0x20
[  270.649837][ T4540]  ? load_image+0x400/0x400
[  270.654388][ T4540]  sysfs_create_dir_ns+0x26a/0x290
[  270.659556][ T4540]  ? sysfs_warn_dup+0xa0/0xa0
[  270.664295][ T4540]  ? do_raw_spin_unlock+0x11d/0x230
[  270.669537][ T4540]  kobject_add_internal+0x6e0/0xd90
[  270.674792][ T4540]  kobject_init_and_add+0x128/0x190
[  270.680012][ T4540]  ? lockdep_softirqs_off+0x430/0x430
[  270.685415][ T4540]  ? kobject_add+0x230/0x230
[  270.690044][ T4540]  ? __init_swait_queue_head+0xa5/0x150
[  270.695634][ T4540]  gfs2_sys_fs_add+0x24f/0x4b0
[  270.700436][ T4540]  ? gfs2_recover_set+0x240/0x240
[  270.705487][ T4540]  ? snprintf+0xe5/0x140
[  270.709761][ T4540]  ? __free_pages+0x95/0x1a0
[  270.714380][ T4540]  ? vscnprintf+0x80/0x80
[  270.718750][ T4540]  gfs2_fill_super+0x120f/0x1f00
[  270.723736][ T4540]  ? gfs2_reconfigure+0xd30/0xd30
[  270.728803][ T4540]  ? sb_set_blocksize+0xa5/0xe0
[  270.733674][ T4540]  get_tree_bdev+0x3f1/0x610
[  270.738296][ T4540]  ? gfs2_reconfigure+0xd30/0xd30
[  270.743360][ T4540]  gfs2_get_tree+0x4d/0x1e0
[  270.747934][ T4540]  vfs_get_tree+0x88/0x270
[  270.752424][ T4540]  do_new_mount+0x24a/0xa40
[  270.756969][ T4540]  __se_sys_mount+0x2e3/0x3d0
[  270.761680][ T4540]  ? __x64_sys_mount+0xc0/0xc0
[  270.766477][ T4540]  ? lockdep_hardirqs_on+0x94/0x140
[  270.771698][ T4540]  ? __x64_sys_mount+0x1c/0xc0
[  270.776480][ T4540]  do_syscall_64+0x4c/0xa0
[  270.780934][ T4540]  ? clear_bhb_loop+0x30/0x80
[  270.785633][ T4540]  ? clear_bhb_loop+0x30/0x80
[  270.790338][ T4540]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.796346][ T4540] RIP: 0033:0x7f75eddc1f4a
[  270.800772][ T4540] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  270.820407][ T4540] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.828859][ T4540] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  270.836870][ T4540] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  270.844888][ T4540] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  270.852894][ T4540] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  270.860888][ T4540] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  270.868908][ T4540]  </TASK>
[  270.880593][ T4540] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.896667][ T4540] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.267940][ T4541] loop1: detected capacity change from 0 to 32768
[  271.319387][ T4541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.326932][ T4541] CPU: 1 PID: 4541 Comm: syz.1.181 Not tainted syzkaller #0
[  271.334250][ T4541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  271.344328][ T4541] Call Trace:
[  271.347636][ T4541]  <TASK>
[  271.350593][ T4541]  dump_stack_lvl+0x188/0x250
[  271.355306][ T4541]  ? show_regs_print_info+0x20/0x20
[  271.360544][ T4541]  ? load_image+0x400/0x400
[  271.365085][ T4541]  sysfs_create_dir_ns+0x26a/0x290
[  271.370229][ T4541]  ? sysfs_warn_dup+0xa0/0xa0
[  271.374943][ T4541]  ? do_raw_spin_unlock+0x11d/0x230
[  271.380178][ T4541]  kobject_add_internal+0x6e0/0xd90
[  271.385412][ T4541]  kobject_init_and_add+0x128/0x190
[  271.390647][ T4541]  ? lockdep_softirqs_off+0x430/0x430
[  271.396058][ T4541]  ? kobject_add+0x230/0x230
[  271.400686][ T4541]  ? __init_swait_queue_head+0xa5/0x150
[  271.406269][ T4541]  gfs2_sys_fs_add+0x24f/0x4b0
[  271.411068][ T4541]  ? gfs2_recover_set+0x240/0x240
[  271.416122][ T4541]  ? snprintf+0xe5/0x140
[  271.420399][ T4541]  ? __free_pages+0x95/0x1a0
[  271.425025][ T4541]  ? vscnprintf+0x80/0x80
[  271.429417][ T4541]  gfs2_fill_super+0x120f/0x1f00
[  271.434416][ T4541]  ? gfs2_reconfigure+0xd30/0xd30
[  271.439487][ T4541]  ? sb_set_blocksize+0xa5/0xe0
[  271.444368][ T4541]  get_tree_bdev+0x3f1/0x610
[  271.448994][ T4541]  ? gfs2_reconfigure+0xd30/0xd30
[  271.454060][ T4541]  gfs2_get_tree+0x4d/0x1e0
[  271.458618][ T4541]  vfs_get_tree+0x88/0x270
[  271.463077][ T4541]  do_new_mount+0x24a/0xa40
[  271.467632][ T4541]  __se_sys_mount+0x2e3/0x3d0
[  271.472353][ T4541]  ? __x64_sys_mount+0xc0/0xc0
[  271.477155][ T4541]  ? lockdep_hardirqs_on+0x94/0x140
[  271.482384][ T4541]  ? __x64_sys_mount+0x1c/0xc0
[  271.487192][ T4541]  do_syscall_64+0x4c/0xa0
[  271.491656][ T4541]  ? clear_bhb_loop+0x30/0x80
[  271.496364][ T4541]  ? clear_bhb_loop+0x30/0x80
[  271.501074][ T4541]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  271.506998][ T4541] RIP: 0033:0x7f75eddc1f4a
[  271.511448][ T4541] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.531077][ T4541] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.539523][ T4541] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  271.547521][ T4541] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  271.555518][ T4541] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  271.563522][ T4541] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  271.571539][ T4541] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  271.579532][ T4541]  </TASK>
[  271.584922][ T4541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.598462][ T4541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.976120][ T4542] loop1: detected capacity change from 0 to 32768
[  272.037900][ T4542] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.049548][ T4542] CPU: 1 PID: 4542 Comm: syz.1.182 Not tainted syzkaller #0
[  272.056997][ T4542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  272.067178][ T4542] Call Trace:
[  272.070638][ T4542]  <TASK>
[  272.073605][ T4542]  dump_stack_lvl+0x188/0x250
[  272.078326][ T4542]  ? show_regs_print_info+0x20/0x20
[  272.084175][ T4542]  ? load_image+0x400/0x400
[  272.088733][ T4542]  sysfs_create_dir_ns+0x26a/0x290
[  272.093998][ T4542]  ? sysfs_warn_dup+0xa0/0xa0
[  272.098827][ T4542]  ? do_raw_spin_unlock+0x11d/0x230
[  272.104073][ T4542]  kobject_add_internal+0x6e0/0xd90
[  272.109320][ T4542]  kobject_init_and_add+0x128/0x190
[  272.114550][ T4542]  ? lockdep_softirqs_off+0x430/0x430
[  272.119977][ T4542]  ? kobject_add+0x230/0x230
[  272.124618][ T4542]  ? __init_swait_queue_head+0xa5/0x150
[  272.130206][ T4542]  gfs2_sys_fs_add+0x24f/0x4b0
[  272.135242][ T4542]  ? gfs2_recover_set+0x240/0x240
[  272.140305][ T4542]  ? snprintf+0xe5/0x140
[  272.144610][ T4542]  ? __free_pages+0x95/0x1a0
[  272.149238][ T4542]  ? vscnprintf+0x80/0x80
[  272.153611][ T4542]  gfs2_fill_super+0x120f/0x1f00
[  272.158596][ T4542]  ? gfs2_reconfigure+0xd30/0xd30
[  272.163677][ T4542]  ? sb_set_blocksize+0xa5/0xe0
[  272.168584][ T4542]  get_tree_bdev+0x3f1/0x610
[  272.173208][ T4542]  ? gfs2_reconfigure+0xd30/0xd30
[  272.178264][ T4542]  gfs2_get_tree+0x4d/0x1e0
[  272.182803][ T4542]  vfs_get_tree+0x88/0x270
[  272.187258][ T4542]  do_new_mount+0x24a/0xa40
[  272.191802][ T4542]  __se_sys_mount+0x2e3/0x3d0
[  272.196520][ T4542]  ? __x64_sys_mount+0xc0/0xc0
[  272.201320][ T4542]  ? lockdep_hardirqs_on+0x94/0x140
[  272.206552][ T4542]  ? __x64_sys_mount+0x1c/0xc0
[  272.211352][ T4542]  do_syscall_64+0x4c/0xa0
[  272.215798][ T4542]  ? clear_bhb_loop+0x30/0x80
[  272.220510][ T4542]  ? clear_bhb_loop+0x30/0x80
[  272.225227][ T4542]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.231158][ T4542] RIP: 0033:0x7f75eddc1f4a
[  272.235600][ T4542] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.255238][ T4542] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.263705][ T4542] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  272.271715][ T4542] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  272.279716][ T4542] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  272.287877][ T4542] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  272.295886][ T4542] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  272.303918][ T4542]  </TASK>
[  272.316762][ T4542] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.333061][ T4542] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.638626][ T4543] loop1: detected capacity change from 0 to 32768
[  272.686639][ T4543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.695063][ T4543] CPU: 0 PID: 4543 Comm: syz.1.183 Not tainted syzkaller #0
[  272.702392][ T4543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  272.712474][ T4543] Call Trace:
[  272.715802][ T4543]  <TASK>
[  272.718755][ T4543]  dump_stack_lvl+0x188/0x250
[  272.723472][ T4543]  ? show_regs_print_info+0x20/0x20
[  272.728729][ T4543]  ? load_image+0x400/0x400
[  272.733275][ T4543]  sysfs_create_dir_ns+0x26a/0x290
[  272.738426][ T4543]  ? sysfs_warn_dup+0xa0/0xa0
[  272.743129][ T4543]  ? do_raw_spin_unlock+0x11d/0x230
[  272.748365][ T4543]  kobject_add_internal+0x6e0/0xd90
[  272.753600][ T4543]  kobject_init_and_add+0x128/0x190
[  272.758821][ T4543]  ? lockdep_softirqs_off+0x430/0x430
[  272.764229][ T4543]  ? kobject_add+0x230/0x230
[  272.768855][ T4543]  ? __init_swait_queue_head+0xa5/0x150
[  272.774453][ T4543]  gfs2_sys_fs_add+0x24f/0x4b0
[  272.779251][ T4543]  ? gfs2_recover_set+0x240/0x240
[  272.784310][ T4543]  ? snprintf+0xe5/0x140
[  272.788586][ T4543]  ? __free_pages+0x95/0x1a0
[  272.793213][ T4543]  ? vscnprintf+0x80/0x80
[  272.797608][ T4543]  gfs2_fill_super+0x120f/0x1f00
[  272.802591][ T4543]  ? gfs2_reconfigure+0xd30/0xd30
[  272.807667][ T4543]  ? sb_set_blocksize+0xa5/0xe0
[  272.812549][ T4543]  get_tree_bdev+0x3f1/0x610
[  272.817170][ T4543]  ? gfs2_reconfigure+0xd30/0xd30
[  272.822233][ T4543]  gfs2_get_tree+0x4d/0x1e0
[  272.826769][ T4543]  vfs_get_tree+0x88/0x270
[  272.831218][ T4543]  do_new_mount+0x24a/0xa40
[  272.835765][ T4543]  __se_sys_mount+0x2e3/0x3d0
[  272.840486][ T4543]  ? __x64_sys_mount+0xc0/0xc0
[  272.845295][ T4543]  ? lockdep_hardirqs_on+0x94/0x140
[  272.850552][ T4543]  ? __x64_sys_mount+0x1c/0xc0
[  272.855360][ T4543]  do_syscall_64+0x4c/0xa0
[  272.859798][ T4543]  ? clear_bhb_loop+0x30/0x80
[  272.864504][ T4543]  ? clear_bhb_loop+0x30/0x80
[  272.869200][ T4543]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  272.875118][ T4543] RIP: 0033:0x7f75eddc1f4a
[  272.879561][ T4543] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  272.899197][ T4543] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.907653][ T4543] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  272.915668][ T4543] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  272.923682][ T4543] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  272.931696][ T4543] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  272.939701][ T4543] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  272.947720][ T4543]  </TASK>
[  272.954511][ T4543] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.967885][ T4543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.220379][ T4544] loop1: detected capacity change from 0 to 32768
[  273.261205][ T4544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.268792][ T4544] CPU: 0 PID: 4544 Comm: syz.1.184 Not tainted syzkaller #0
[  273.276102][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  273.286173][ T4544] Call Trace:
[  273.289478][ T4544]  <TASK>
[  273.292455][ T4544]  dump_stack_lvl+0x188/0x250
[  273.297168][ T4544]  ? show_regs_print_info+0x20/0x20
[  273.302398][ T4544]  ? load_image+0x400/0x400
[  273.306959][ T4544]  sysfs_create_dir_ns+0x26a/0x290
[  273.312116][ T4544]  ? sysfs_warn_dup+0xa0/0xa0
[  273.316828][ T4544]  ? do_raw_spin_unlock+0x11d/0x230
[  273.322075][ T4544]  kobject_add_internal+0x6e0/0xd90
[  273.327318][ T4544]  kobject_init_and_add+0x128/0x190
[  273.332551][ T4544]  ? lockdep_softirqs_off+0x430/0x430
[  273.337973][ T4544]  ? kobject_add+0x230/0x230
[  273.342609][ T4544]  ? __init_swait_queue_head+0xa5/0x150
[  273.348194][ T4544]  gfs2_sys_fs_add+0x24f/0x4b0
[  273.352995][ T4544]  ? gfs2_recover_set+0x240/0x240
[  273.358150][ T4544]  ? snprintf+0xe5/0x140
[  273.362435][ T4544]  ? __free_pages+0x95/0x1a0
[  273.367059][ T4544]  ? vscnprintf+0x80/0x80
[  273.371429][ T4544]  gfs2_fill_super+0x120f/0x1f00
[  273.376415][ T4544]  ? gfs2_reconfigure+0xd30/0xd30
[  273.381493][ T4544]  ? sb_set_blocksize+0xa5/0xe0
[  273.386378][ T4544]  get_tree_bdev+0x3f1/0x610
[  273.391004][ T4544]  ? gfs2_reconfigure+0xd30/0xd30
[  273.396055][ T4544]  gfs2_get_tree+0x4d/0x1e0
[  273.400593][ T4544]  vfs_get_tree+0x88/0x270
[  273.405046][ T4544]  do_new_mount+0x24a/0xa40
[  273.409588][ T4544]  __se_sys_mount+0x2e3/0x3d0
[  273.414300][ T4544]  ? __x64_sys_mount+0xc0/0xc0
[  273.419094][ T4544]  ? lockdep_hardirqs_on+0x94/0x140
[  273.424326][ T4544]  ? __x64_sys_mount+0x1c/0xc0
[  273.429115][ T4544]  do_syscall_64+0x4c/0xa0
[  273.433564][ T4544]  ? clear_bhb_loop+0x30/0x80
[  273.438263][ T4544]  ? clear_bhb_loop+0x30/0x80
[  273.442960][ T4544]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  273.448886][ T4544] RIP: 0033:0x7f75eddc1f4a
[  273.453347][ T4544] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  273.472976][ T4544] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.481428][ T4544] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  273.489426][ T4544] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  273.497418][ T4544] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  273.505418][ T4544] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  273.513410][ T4544] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  273.521433][ T4544]  </TASK>
[  273.528658][ T4544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.541877][ T4544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.849115][ T4545] loop1: detected capacity change from 0 to 32768
[  273.891193][ T4545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.906616][ T4545] CPU: 1 PID: 4545 Comm: syz.1.185 Not tainted syzkaller #0
[  273.913951][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  273.924084][ T4545] Call Trace:
[  273.927396][ T4545]  <TASK>
[  273.930357][ T4545]  dump_stack_lvl+0x188/0x250
[  273.935076][ T4545]  ? show_regs_print_info+0x20/0x20
[  273.940310][ T4545]  ? load_image+0x400/0x400
[  273.944952][ T4545]  sysfs_create_dir_ns+0x26a/0x290
[  273.950105][ T4545]  ? sysfs_warn_dup+0xa0/0xa0
[  273.954813][ T4545]  ? do_raw_spin_unlock+0x11d/0x230
[  273.960040][ T4545]  kobject_add_internal+0x6e0/0xd90
[  273.965271][ T4545]  kobject_init_and_add+0x128/0x190
[  273.970506][ T4545]  ? lockdep_softirqs_off+0x430/0x430
[  273.975934][ T4545]  ? kobject_add+0x230/0x230
[  273.980574][ T4545]  ? __init_swait_queue_head+0xa5/0x150
[  273.986158][ T4545]  gfs2_sys_fs_add+0x24f/0x4b0
[  273.990973][ T4545]  ? gfs2_recover_set+0x240/0x240
[  273.996168][ T4545]  ? snprintf+0xe5/0x140
[  274.000442][ T4545]  ? __free_pages+0x95/0x1a0
[  274.005070][ T4545]  ? vscnprintf+0x80/0x80
[  274.009465][ T4545]  gfs2_fill_super+0x120f/0x1f00
[  274.014464][ T4545]  ? gfs2_reconfigure+0xd30/0xd30
[  274.019532][ T4545]  ? sb_set_blocksize+0xa5/0xe0
[  274.024408][ T4545]  get_tree_bdev+0x3f1/0x610
[  274.029040][ T4545]  ? gfs2_reconfigure+0xd30/0xd30
[  274.034102][ T4545]  gfs2_get_tree+0x4d/0x1e0
[  274.038640][ T4545]  vfs_get_tree+0x88/0x270
[  274.043092][ T4545]  do_new_mount+0x24a/0xa40
[  274.047635][ T4545]  __se_sys_mount+0x2e3/0x3d0
[  274.052350][ T4545]  ? __x64_sys_mount+0xc0/0xc0
[  274.057147][ T4545]  ? lockdep_hardirqs_on+0x94/0x140
[  274.062379][ T4545]  ? __x64_sys_mount+0x1c/0xc0
[  274.067176][ T4545]  do_syscall_64+0x4c/0xa0
[  274.071791][ T4545]  ? clear_bhb_loop+0x30/0x80
[  274.076552][ T4545]  ? clear_bhb_loop+0x30/0x80
[  274.081274][ T4545]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  274.087705][ T4545] RIP: 0033:0x7f75eddc1f4a
[  274.092151][ T4545] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.111803][ T4545] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.120255][ T4545] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  274.128261][ T4545] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  274.136254][ T4545] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  274.144255][ T4545] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  274.152460][ T4545] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  274.160483][ T4545]  </TASK>
[  274.171721][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.185589][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.565252][ T4546] loop1: detected capacity change from 0 to 32768
[  274.619812][ T4546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.627241][ T4546] CPU: 0 PID: 4546 Comm: syz.1.186 Not tainted syzkaller #0
[  274.634559][ T4546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  274.644644][ T4546] Call Trace:
[  274.647951][ T4546]  <TASK>
[  274.650903][ T4546]  dump_stack_lvl+0x188/0x250
[  274.655619][ T4546]  ? show_regs_print_info+0x20/0x20
[  274.660851][ T4546]  ? load_image+0x400/0x400
[  274.665411][ T4546]  sysfs_create_dir_ns+0x26a/0x290
[  274.670601][ T4546]  ? sysfs_warn_dup+0xa0/0xa0
[  274.675338][ T4546]  ? do_raw_spin_unlock+0x11d/0x230
[  274.680589][ T4546]  kobject_add_internal+0x6e0/0xd90
[  274.685887][ T4546]  kobject_init_and_add+0x128/0x190
[  274.691122][ T4546]  ? lockdep_softirqs_off+0x430/0x430
[  274.696631][ T4546]  ? kobject_add+0x230/0x230
[  274.701269][ T4546]  ? __init_swait_queue_head+0xa5/0x150
[  274.706857][ T4546]  gfs2_sys_fs_add+0x24f/0x4b0
[  274.711658][ T4546]  ? gfs2_recover_set+0x240/0x240
[  274.716724][ T4546]  ? snprintf+0xe5/0x140
[  274.721019][ T4546]  ? __free_pages+0x95/0x1a0
[  274.725670][ T4546]  ? vscnprintf+0x80/0x80
[  274.730186][ T4546]  gfs2_fill_super+0x120f/0x1f00
[  274.735181][ T4546]  ? gfs2_reconfigure+0xd30/0xd30
[  274.740251][ T4546]  ? sb_set_blocksize+0xa5/0xe0
[  274.745226][ T4546]  get_tree_bdev+0x3f1/0x610
[  274.749866][ T4546]  ? gfs2_reconfigure+0xd30/0xd30
[  274.754923][ T4546]  gfs2_get_tree+0x4d/0x1e0
[  274.759451][ T4546]  vfs_get_tree+0x88/0x270
[  274.763969][ T4546]  do_new_mount+0x24a/0xa40
[  274.768511][ T4546]  __se_sys_mount+0x2e3/0x3d0
[  274.773231][ T4546]  ? __x64_sys_mount+0xc0/0xc0
[  274.778032][ T4546]  ? lockdep_hardirqs_on+0x94/0x140
[  274.783301][ T4546]  ? __x64_sys_mount+0x1c/0xc0
[  274.788102][ T4546]  do_syscall_64+0x4c/0xa0
[  274.792554][ T4546]  ? clear_bhb_loop+0x30/0x80
[  274.797265][ T4546]  ? clear_bhb_loop+0x30/0x80
[  274.801977][ T4546]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  274.807903][ T4546] RIP: 0033:0x7f75eddc1f4a
[  274.812347][ T4546] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  274.831980][ T4546] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.840524][ T4546] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  274.848639][ T4546] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  274.856644][ T4546] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  274.864652][ T4546] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  274.872649][ T4546] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  274.880665][ T4546]  </TASK>
[  274.888844][ T4546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.902409][ T4546] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 18:12:11 executed programs: 172
[  275.155835][ T4547] loop1: detected capacity change from 0 to 32768
[  275.209800][ T4547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.217232][ T4547] CPU: 1 PID: 4547 Comm: syz.1.187 Not tainted syzkaller #0
[  275.224543][ T4547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  275.234651][ T4547] Call Trace:
[  275.237963][ T4547]  <TASK>
[  275.240911][ T4547]  dump_stack_lvl+0x188/0x250
[  275.245621][ T4547]  ? show_regs_print_info+0x20/0x20
[  275.250868][ T4547]  ? load_image+0x400/0x400
[  275.255430][ T4547]  sysfs_create_dir_ns+0x26a/0x290
[  275.260578][ T4547]  ? sysfs_warn_dup+0xa0/0xa0
[  275.265284][ T4547]  ? do_raw_spin_unlock+0x11d/0x230
[  275.270519][ T4547]  kobject_add_internal+0x6e0/0xd90
[  275.275746][ T4547]  kobject_init_and_add+0x128/0x190
[  275.280968][ T4547]  ? lockdep_softirqs_off+0x430/0x430
[  275.286368][ T4547]  ? kobject_add+0x230/0x230
[  275.291177][ T4547]  ? __init_swait_queue_head+0xa5/0x150
[  275.296761][ T4547]  gfs2_sys_fs_add+0x24f/0x4b0
[  275.301549][ T4547]  ? gfs2_recover_set+0x240/0x240
[  275.306605][ T4547]  ? snprintf+0xe5/0x140
[  275.310871][ T4547]  ? __free_pages+0x95/0x1a0
[  275.315497][ T4547]  ? vscnprintf+0x80/0x80
[  275.319859][ T4547]  gfs2_fill_super+0x120f/0x1f00
[  275.324840][ T4547]  ? gfs2_reconfigure+0xd30/0xd30
[  275.330096][ T4547]  ? sb_set_blocksize+0xa5/0xe0
[  275.335023][ T4547]  get_tree_bdev+0x3f1/0x610
[  275.339657][ T4547]  ? gfs2_reconfigure+0xd30/0xd30
[  275.344720][ T4547]  gfs2_get_tree+0x4d/0x1e0
[  275.349263][ T4547]  vfs_get_tree+0x88/0x270
[  275.353710][ T4547]  do_new_mount+0x24a/0xa40
[  275.358273][ T4547]  __se_sys_mount+0x2e3/0x3d0
[  275.362992][ T4547]  ? __x64_sys_mount+0xc0/0xc0
[  275.367792][ T4547]  ? lockdep_hardirqs_on+0x94/0x140
[  275.373025][ T4547]  ? __x64_sys_mount+0x1c/0xc0
[  275.377822][ T4547]  do_syscall_64+0x4c/0xa0
[  275.382264][ T4547]  ? clear_bhb_loop+0x30/0x80
[  275.387055][ T4547]  ? clear_bhb_loop+0x30/0x80
[  275.391766][ T4547]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  275.397699][ T4547] RIP: 0033:0x7f75eddc1f4a
[  275.402134][ T4547] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  275.421786][ T4547] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.430236][ T4547] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  275.438239][ T4547] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  275.446234][ T4547] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  275.454209][ T4547] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  275.462187][ T4547] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  275.470211][ T4547]  </TASK>
[  275.475642][ T4547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.491173][ T4547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.855958][ T4548] loop1: detected capacity change from 0 to 32768
[  275.914292][ T4548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.928597][ T4548] CPU: 1 PID: 4548 Comm: syz.1.188 Not tainted syzkaller #0
[  275.935937][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  275.946037][ T4548] Call Trace:
[  275.949357][ T4548]  <TASK>
[  275.952310][ T4548]  dump_stack_lvl+0x188/0x250
[  275.957020][ T4548]  ? show_regs_print_info+0x20/0x20
[  275.962245][ T4548]  ? load_image+0x400/0x400
[  275.966908][ T4548]  sysfs_create_dir_ns+0x26a/0x290
[  275.972052][ T4548]  ? sysfs_warn_dup+0xa0/0xa0
[  275.976765][ T4548]  ? do_raw_spin_unlock+0x11d/0x230
[  275.981998][ T4548]  kobject_add_internal+0x6e0/0xd90
[  275.987239][ T4548]  kobject_init_and_add+0x128/0x190
[  275.992483][ T4548]  ? lockdep_softirqs_off+0x430/0x430
[  275.997884][ T4548]  ? kobject_add+0x230/0x230
[  276.002505][ T4548]  ? __init_swait_queue_head+0xa5/0x150
[  276.008184][ T4548]  gfs2_sys_fs_add+0x24f/0x4b0
[  276.013005][ T4548]  ? gfs2_recover_set+0x240/0x240
[  276.018065][ T4548]  ? snprintf+0xe5/0x140
[  276.022335][ T4548]  ? __free_pages+0x95/0x1a0
[  276.026960][ T4548]  ? vscnprintf+0x80/0x80
[  276.031334][ T4548]  gfs2_fill_super+0x120f/0x1f00
[  276.036304][ T4548]  ? gfs2_reconfigure+0xd30/0xd30
[  276.041378][ T4548]  ? sb_set_blocksize+0xa5/0xe0
[  276.046271][ T4548]  get_tree_bdev+0x3f1/0x610
[  276.050900][ T4548]  ? gfs2_reconfigure+0xd30/0xd30
[  276.055956][ T4548]  gfs2_get_tree+0x4d/0x1e0
[  276.060502][ T4548]  vfs_get_tree+0x88/0x270
[  276.064959][ T4548]  do_new_mount+0x24a/0xa40
[  276.069504][ T4548]  __se_sys_mount+0x2e3/0x3d0
[  276.074207][ T4548]  ? __x64_sys_mount+0xc0/0xc0
[  276.079004][ T4548]  ? lockdep_hardirqs_on+0x94/0x140
[  276.084234][ T4548]  ? __x64_sys_mount+0x1c/0xc0
[  276.089017][ T4548]  do_syscall_64+0x4c/0xa0
[  276.093455][ T4548]  ? clear_bhb_loop+0x30/0x80
[  276.098160][ T4548]  ? clear_bhb_loop+0x30/0x80
[  276.102866][ T4548]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  276.108795][ T4548] RIP: 0033:0x7f75eddc1f4a
[  276.113236][ T4548] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  276.132885][ T4548] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.141336][ T4548] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  276.149344][ T4548] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  276.157334][ T4548] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  276.165326][ T4548] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  276.173335][ T4548] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  276.181361][ T4548]  </TASK>
[  276.188589][ T4548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.201864][ T4548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.565949][ T4549] loop1: detected capacity change from 0 to 32768
[  276.617532][ T4549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.626382][ T4549] CPU: 0 PID: 4549 Comm: syz.1.189 Not tainted syzkaller #0
[  276.633708][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  276.643797][ T4549] Call Trace:
[  276.647152][ T4549]  <TASK>
[  276.650126][ T4549]  dump_stack_lvl+0x188/0x250
[  276.655040][ T4549]  ? show_regs_print_info+0x20/0x20
[  276.660272][ T4549]  ? load_image+0x400/0x400
[  276.664835][ T4549]  sysfs_create_dir_ns+0x26a/0x290
[  276.669985][ T4549]  ? sysfs_warn_dup+0xa0/0xa0
[  276.674789][ T4549]  ? do_raw_spin_unlock+0x11d/0x230
[  276.680026][ T4549]  kobject_add_internal+0x6e0/0xd90
[  276.685264][ T4549]  kobject_init_and_add+0x128/0x190
[  276.690514][ T4549]  ? lockdep_softirqs_off+0x430/0x430
[  276.695930][ T4549]  ? kobject_add+0x230/0x230
[  276.700560][ T4549]  ? __init_swait_queue_head+0xa5/0x150
[  276.706134][ T4549]  gfs2_sys_fs_add+0x24f/0x4b0
[  276.710923][ T4549]  ? gfs2_recover_set+0x240/0x240
[  276.715969][ T4549]  ? snprintf+0xe5/0x140
[  276.720247][ T4549]  ? __free_pages+0x95/0x1a0
[  276.724885][ T4549]  ? vscnprintf+0x80/0x80
[  276.729270][ T4549]  gfs2_fill_super+0x120f/0x1f00
[  276.734256][ T4549]  ? gfs2_reconfigure+0xd30/0xd30
[  276.739329][ T4549]  ? sb_set_blocksize+0xa5/0xe0
[  276.744201][ T4549]  get_tree_bdev+0x3f1/0x610
[  276.748859][ T4549]  ? gfs2_reconfigure+0xd30/0xd30
[  276.753917][ T4549]  gfs2_get_tree+0x4d/0x1e0
[  276.758458][ T4549]  vfs_get_tree+0x88/0x270
[  276.762903][ T4549]  do_new_mount+0x24a/0xa40
[  276.767454][ T4549]  __se_sys_mount+0x2e3/0x3d0
[  276.772171][ T4549]  ? __x64_sys_mount+0xc0/0xc0
[  276.776973][ T4549]  ? lockdep_hardirqs_on+0x94/0x140
[  276.782209][ T4549]  ? __x64_sys_mount+0x1c/0xc0
[  276.787077][ T4549]  do_syscall_64+0x4c/0xa0
[  276.791513][ T4549]  ? clear_bhb_loop+0x30/0x80
[  276.796223][ T4549]  ? clear_bhb_loop+0x30/0x80
[  276.800917][ T4549]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  276.806835][ T4549] RIP: 0033:0x7f75eddc1f4a
[  276.811279][ T4549] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  276.830904][ T4549] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.839376][ T4549] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  276.847379][ T4549] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  276.855383][ T4549] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  276.863386][ T4549] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  276.871375][ T4549] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  276.879372][ T4549]  </TASK>
[  276.885685][ T4549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.899167][ T4549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.246418][ T4550] loop1: detected capacity change from 0 to 32768
[  277.319337][ T4550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.326868][ T4550] CPU: 0 PID: 4550 Comm: syz.1.190 Not tainted syzkaller #0
[  277.334186][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  277.344306][ T4550] Call Trace:
[  277.347608][ T4550]  <TASK>
[  277.350582][ T4550]  dump_stack_lvl+0x188/0x250
[  277.355314][ T4550]  ? show_regs_print_info+0x20/0x20
[  277.360548][ T4550]  ? load_image+0x400/0x400
[  277.365091][ T4550]  sysfs_create_dir_ns+0x26a/0x290
[  277.370239][ T4550]  ? sysfs_warn_dup+0xa0/0xa0
[  277.374949][ T4550]  ? do_raw_spin_unlock+0x11d/0x230
[  277.380179][ T4550]  kobject_add_internal+0x6e0/0xd90
[  277.385424][ T4550]  kobject_init_and_add+0x128/0x190
[  277.390650][ T4550]  ? lockdep_softirqs_off+0x430/0x430
[  277.396094][ T4550]  ? kobject_add+0x230/0x230
[  277.400716][ T4550]  ? __init_swait_queue_head+0xa5/0x150
[  277.406289][ T4550]  gfs2_sys_fs_add+0x24f/0x4b0
[  277.411104][ T4550]  ? gfs2_recover_set+0x240/0x240
[  277.416165][ T4550]  ? snprintf+0xe5/0x140
[  277.420434][ T4550]  ? __free_pages+0x95/0x1a0
[  277.425076][ T4550]  ? vscnprintf+0x80/0x80
[  277.429452][ T4550]  gfs2_fill_super+0x120f/0x1f00
[  277.434425][ T4550]  ? gfs2_reconfigure+0xd30/0xd30
[  277.439489][ T4550]  ? sb_set_blocksize+0xa5/0xe0
[  277.444480][ T4550]  get_tree_bdev+0x3f1/0x610
[  277.449111][ T4550]  ? gfs2_reconfigure+0xd30/0xd30
[  277.454167][ T4550]  gfs2_get_tree+0x4d/0x1e0
[  277.458705][ T4550]  vfs_get_tree+0x88/0x270
[  277.463154][ T4550]  do_new_mount+0x24a/0xa40
[  277.467694][ T4550]  __se_sys_mount+0x2e3/0x3d0
[  277.472410][ T4550]  ? __x64_sys_mount+0xc0/0xc0
[  277.477205][ T4550]  ? lockdep_hardirqs_on+0x94/0x140
[  277.482438][ T4550]  ? __x64_sys_mount+0x1c/0xc0
[  277.487233][ T4550]  do_syscall_64+0x4c/0xa0
[  277.491673][ T4550]  ? clear_bhb_loop+0x30/0x80
[  277.496375][ T4550]  ? clear_bhb_loop+0x30/0x80
[  277.501077][ T4550]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  277.507002][ T4550] RIP: 0033:0x7f75eddc1f4a
[  277.511445][ T4550] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  277.531080][ T4550] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.539531][ T4550] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  277.547618][ T4550] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  277.555614][ T4550] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  277.563712][ T4550] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  277.571705][ T4550] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  277.579704][ T4550]  </TASK>
[  277.587159][ T4550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.600422][ T4550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.953906][ T4551] loop1: detected capacity change from 0 to 32768
[  278.008460][ T4551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.015912][ T4551] CPU: 1 PID: 4551 Comm: syz.1.191 Not tainted syzkaller #0
[  278.023225][ T4551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.033316][ T4551] Call Trace:
[  278.036636][ T4551]  <TASK>
[  278.039608][ T4551]  dump_stack_lvl+0x188/0x250
[  278.044610][ T4551]  ? show_regs_print_info+0x20/0x20
[  278.049843][ T4551]  ? load_image+0x400/0x400
[  278.054391][ T4551]  sysfs_create_dir_ns+0x26a/0x290
[  278.059538][ T4551]  ? sysfs_warn_dup+0xa0/0xa0
[  278.064246][ T4551]  ? do_raw_spin_unlock+0x11d/0x230
[  278.069473][ T4551]  kobject_add_internal+0x6e0/0xd90
[  278.074711][ T4551]  kobject_init_and_add+0x128/0x190
[  278.079941][ T4551]  ? lockdep_softirqs_off+0x430/0x430
[  278.085354][ T4551]  ? kobject_add+0x230/0x230
[  278.089982][ T4551]  ? __init_swait_queue_head+0xa5/0x150
[  278.095559][ T4551]  gfs2_sys_fs_add+0x24f/0x4b0
[  278.100352][ T4551]  ? gfs2_recover_set+0x240/0x240
[  278.105401][ T4551]  ? snprintf+0xe5/0x140
[  278.109695][ T4551]  ? __free_pages+0x95/0x1a0
[  278.114368][ T4551]  ? vscnprintf+0x80/0x80
[  278.118752][ T4551]  gfs2_fill_super+0x120f/0x1f00
[  278.123732][ T4551]  ? gfs2_reconfigure+0xd30/0xd30
[  278.128799][ T4551]  ? sb_set_blocksize+0xa5/0xe0
[  278.133675][ T4551]  get_tree_bdev+0x3f1/0x610
[  278.138294][ T4551]  ? gfs2_reconfigure+0xd30/0xd30
[  278.143351][ T4551]  gfs2_get_tree+0x4d/0x1e0
[  278.147875][ T4551]  vfs_get_tree+0x88/0x270
[  278.152320][ T4551]  do_new_mount+0x24a/0xa40
[  278.156892][ T4551]  __se_sys_mount+0x2e3/0x3d0
[  278.161641][ T4551]  ? __x64_sys_mount+0xc0/0xc0
[  278.166466][ T4551]  ? lockdep_hardirqs_on+0x94/0x140
[  278.171699][ T4551]  ? __x64_sys_mount+0x1c/0xc0
[  278.176492][ T4551]  do_syscall_64+0x4c/0xa0
[  278.180935][ T4551]  ? clear_bhb_loop+0x30/0x80
[  278.185650][ T4551]  ? clear_bhb_loop+0x30/0x80
[  278.190357][ T4551]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  278.196274][ T4551] RIP: 0033:0x7f75eddc1f4a
[  278.200718][ T4551] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  278.220472][ T4551] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.228910][ T4551] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  278.236911][ T4551] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  278.244902][ T4551] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  278.252903][ T4551] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  278.260901][ T4551] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  278.268917][ T4551]  </TASK>
[  278.276980][ T4551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.290171][ T4551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.659661][ T4552] loop1: detected capacity change from 0 to 32768
[  278.703521][ T4552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.716165][ T4552] CPU: 1 PID: 4552 Comm: syz.1.192 Not tainted syzkaller #0
[  278.723487][ T4552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.733566][ T4552] Call Trace:
[  278.736875][ T4552]  <TASK>
[  278.739824][ T4552]  dump_stack_lvl+0x188/0x250
[  278.744532][ T4552]  ? show_regs_print_info+0x20/0x20
[  278.749756][ T4552]  ? load_image+0x400/0x400
[  278.754325][ T4552]  sysfs_create_dir_ns+0x26a/0x290
[  278.759479][ T4552]  ? sysfs_warn_dup+0xa0/0xa0
[  278.764196][ T4552]  ? do_raw_spin_unlock+0x11d/0x230
[  278.769431][ T4552]  kobject_add_internal+0x6e0/0xd90
[  278.774668][ T4552]  kobject_init_and_add+0x128/0x190
[  278.779899][ T4552]  ? lockdep_softirqs_off+0x430/0x430
[  278.785315][ T4552]  ? kobject_add+0x230/0x230
[  278.789945][ T4552]  ? __init_swait_queue_head+0xa5/0x150
[  278.795527][ T4552]  gfs2_sys_fs_add+0x24f/0x4b0
[  278.800326][ T4552]  ? gfs2_recover_set+0x240/0x240
[  278.805421][ T4552]  ? snprintf+0xe5/0x140
[  278.809718][ T4552]  ? __free_pages+0x95/0x1a0
[  278.814370][ T4552]  ? vscnprintf+0x80/0x80
[  278.818744][ T4552]  gfs2_fill_super+0x120f/0x1f00
[  278.823721][ T4552]  ? gfs2_reconfigure+0xd30/0xd30
[  278.828783][ T4552]  ? sb_set_blocksize+0xa5/0xe0
[  278.833662][ T4552]  get_tree_bdev+0x3f1/0x610
[  278.838288][ T4552]  ? gfs2_reconfigure+0xd30/0xd30
[  278.843346][ T4552]  gfs2_get_tree+0x4d/0x1e0
[  278.847897][ T4552]  vfs_get_tree+0x88/0x270
[  278.852354][ T4552]  do_new_mount+0x24a/0xa40
[  278.856884][ T4552]  __se_sys_mount+0x2e3/0x3d0
[  278.861589][ T4552]  ? __x64_sys_mount+0xc0/0xc0
[  278.866381][ T4552]  ? lockdep_hardirqs_on+0x94/0x140
[  278.871597][ T4552]  ? __x64_sys_mount+0x1c/0xc0
[  278.876386][ T4552]  do_syscall_64+0x4c/0xa0
[  278.880819][ T4552]  ? clear_bhb_loop+0x30/0x80
[  278.885517][ T4552]  ? clear_bhb_loop+0x30/0x80
[  278.890214][ T4552]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  278.896159][ T4552] RIP: 0033:0x7f75eddc1f4a
[  278.900601][ T4552] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  278.920239][ T4552] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.928683][ T4552] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  278.936677][ T4552] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  278.944670][ T4552] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  278.952657][ T4552] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  278.960653][ T4552] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  278.968663][ T4552]  </TASK>
[  278.977312][ T4552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.990567][ T4552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.240227][ T4553] loop1: detected capacity change from 0 to 32768
[  279.294828][ T4553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.303700][ T4553] CPU: 1 PID: 4553 Comm: syz.1.193 Not tainted syzkaller #0
[  279.311135][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  279.321216][ T4553] Call Trace:
[  279.324542][ T4553]  <TASK>
[  279.327500][ T4553]  dump_stack_lvl+0x188/0x250
[  279.332219][ T4553]  ? show_regs_print_info+0x20/0x20
[  279.337452][ T4553]  ? load_image+0x400/0x400
[  279.341995][ T4553]  sysfs_create_dir_ns+0x26a/0x290
[  279.347137][ T4553]  ? sysfs_warn_dup+0xa0/0xa0
[  279.351839][ T4553]  ? do_raw_spin_unlock+0x11d/0x230
[  279.357062][ T4553]  kobject_add_internal+0x6e0/0xd90
[  279.362378][ T4553]  kobject_init_and_add+0x128/0x190
[  279.367600][ T4553]  ? lockdep_softirqs_off+0x430/0x430
[  279.372999][ T4553]  ? kobject_add+0x230/0x230
[  279.377806][ T4553]  ? __init_swait_queue_head+0xa5/0x150
[  279.383375][ T4553]  gfs2_sys_fs_add+0x24f/0x4b0
[  279.388168][ T4553]  ? gfs2_recover_set+0x240/0x240
[  279.393225][ T4553]  ? snprintf+0xe5/0x140
[  279.397494][ T4553]  ? __free_pages+0x95/0x1a0
[  279.402133][ T4553]  ? vscnprintf+0x80/0x80
[  279.406501][ T4553]  gfs2_fill_super+0x120f/0x1f00
[  279.411494][ T4553]  ? gfs2_reconfigure+0xd30/0xd30
[  279.416555][ T4553]  ? sb_set_blocksize+0xa5/0xe0
[  279.421449][ T4553]  get_tree_bdev+0x3f1/0x610
[  279.426070][ T4553]  ? gfs2_reconfigure+0xd30/0xd30
[  279.431128][ T4553]  gfs2_get_tree+0x4d/0x1e0
[  279.435655][ T4553]  vfs_get_tree+0x88/0x270
[  279.440107][ T4553]  do_new_mount+0x24a/0xa40
[  279.444658][ T4553]  __se_sys_mount+0x2e3/0x3d0
[  279.449375][ T4553]  ? __x64_sys_mount+0xc0/0xc0
[  279.454204][ T4553]  ? lockdep_hardirqs_on+0x94/0x140
[  279.459428][ T4553]  ? __x64_sys_mount+0x1c/0xc0
[  279.464226][ T4553]  do_syscall_64+0x4c/0xa0
[  279.468656][ T4553]  ? clear_bhb_loop+0x30/0x80
[  279.473359][ T4553]  ? clear_bhb_loop+0x30/0x80
[  279.478063][ T4553]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  279.484068][ T4553] RIP: 0033:0x7f75eddc1f4a
[  279.488508][ T4553] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  279.508158][ T4553] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.516597][ T4553] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  279.524586][ T4553] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  279.532583][ T4553] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  279.540756][ T4553] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  279.548759][ T4553] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  279.556773][ T4553]  </TASK>
[  279.561717][ T4553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.575218][ T4553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.961156][ T4554] loop1: detected capacity change from 0 to 32768
[  280.008536][ T4554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.015951][ T4554] CPU: 0 PID: 4554 Comm: syz.1.194 Not tainted syzkaller #0
[  280.023253][ T4554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.033346][ T4554] Call Trace:
[  280.036649][ T4554]  <TASK>
[  280.039599][ T4554]  dump_stack_lvl+0x188/0x250
[  280.044309][ T4554]  ? show_regs_print_info+0x20/0x20
[  280.049538][ T4554]  ? load_image+0x400/0x400
[  280.054081][ T4554]  sysfs_create_dir_ns+0x26a/0x290
[  280.059223][ T4554]  ? sysfs_warn_dup+0xa0/0xa0
[  280.063923][ T4554]  ? do_raw_spin_unlock+0x11d/0x230
[  280.069170][ T4554]  kobject_add_internal+0x6e0/0xd90
[  280.074408][ T4554]  kobject_init_and_add+0x128/0x190
[  280.079659][ T4554]  ? lockdep_softirqs_off+0x430/0x430
[  280.085078][ T4554]  ? kobject_add+0x230/0x230
[  280.089710][ T4554]  ? __init_swait_queue_head+0xa5/0x150
[  280.095301][ T4554]  gfs2_sys_fs_add+0x24f/0x4b0
[  280.100104][ T4554]  ? gfs2_recover_set+0x240/0x240
[  280.105167][ T4554]  ? snprintf+0xe5/0x140
[  280.109589][ T4554]  ? __free_pages+0x95/0x1a0
[  280.114236][ T4554]  ? vscnprintf+0x80/0x80
[  280.118607][ T4554]  gfs2_fill_super+0x120f/0x1f00
[  280.123585][ T4554]  ? gfs2_reconfigure+0xd30/0xd30
[  280.128650][ T4554]  ? sb_set_blocksize+0xa5/0xe0
[  280.133522][ T4554]  get_tree_bdev+0x3f1/0x610
[  280.138163][ T4554]  ? gfs2_reconfigure+0xd30/0xd30
[  280.143234][ T4554]  gfs2_get_tree+0x4d/0x1e0
[  280.147787][ T4554]  vfs_get_tree+0x88/0x270
[  280.152269][ T4554]  do_new_mount+0x24a/0xa40
[  280.156824][ T4554]  __se_sys_mount+0x2e3/0x3d0
[  280.161544][ T4554]  ? __x64_sys_mount+0xc0/0xc0
[  280.166349][ T4554]  ? lockdep_hardirqs_on+0x94/0x140
[  280.171609][ T4554]  ? __x64_sys_mount+0x1c/0xc0
[  280.176397][ T4554]  do_syscall_64+0x4c/0xa0
[  280.180838][ T4554]  ? clear_bhb_loop+0x30/0x80
[  280.185559][ T4554]  ? clear_bhb_loop+0x30/0x80
[  280.190265][ T4554]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  280.196187][ T4554] RIP: 0033:0x7f75eddc1f4a
[  280.200723][ T4554] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  280.220350][ T4554] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.228787][ T4554] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  280.236779][ T4554] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  280.244774][ T4554] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  280.252795][ T4554] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  280.260799][ T4554] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  280.268829][ T4554]  </TASK>
[  280.273782][ T4554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.288221][ T4554] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 18:12:17 executed programs: 180
[  280.642701][ T4555] loop1: detected capacity change from 0 to 32768
[  280.722269][ T4555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.730153][ T4555] CPU: 0 PID: 4555 Comm: syz.1.195 Not tainted syzkaller #0
[  280.737472][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.747549][ T4555] Call Trace:
[  280.750864][ T4555]  <TASK>
[  280.753810][ T4555]  dump_stack_lvl+0x188/0x250
[  280.758523][ T4555]  ? show_regs_print_info+0x20/0x20
[  280.763757][ T4555]  ? load_image+0x400/0x400
[  280.768304][ T4555]  sysfs_create_dir_ns+0x26a/0x290
[  280.773449][ T4555]  ? sysfs_warn_dup+0xa0/0xa0
[  280.778166][ T4555]  ? do_raw_spin_unlock+0x11d/0x230
[  280.783407][ T4555]  kobject_add_internal+0x6e0/0xd90
[  280.788644][ T4555]  kobject_init_and_add+0x128/0x190
[  280.793875][ T4555]  ? lockdep_softirqs_off+0x430/0x430
[  280.799312][ T4555]  ? kobject_add+0x230/0x230
[  280.803935][ T4555]  ? __init_swait_queue_head+0xa5/0x150
[  280.809539][ T4555]  gfs2_sys_fs_add+0x24f/0x4b0
[  280.814343][ T4555]  ? gfs2_recover_set+0x240/0x240
[  280.819411][ T4555]  ? snprintf+0xe5/0x140
[  280.823689][ T4555]  ? __free_pages+0x95/0x1a0
[  280.828313][ T4555]  ? vscnprintf+0x80/0x80
[  280.832690][ T4555]  gfs2_fill_super+0x120f/0x1f00
[  280.837682][ T4555]  ? gfs2_reconfigure+0xd30/0xd30
[  280.842757][ T4555]  ? sb_set_blocksize+0xa5/0xe0
[  280.847652][ T4555]  get_tree_bdev+0x3f1/0x610
[  280.852274][ T4555]  ? gfs2_reconfigure+0xd30/0xd30
[  280.857328][ T4555]  gfs2_get_tree+0x4d/0x1e0
[  280.861863][ T4555]  vfs_get_tree+0x88/0x270
[  280.866313][ T4555]  do_new_mount+0x24a/0xa40
[  280.870851][ T4555]  __se_sys_mount+0x2e3/0x3d0
[  280.875560][ T4555]  ? __x64_sys_mount+0xc0/0xc0
[  280.880364][ T4555]  ? lockdep_hardirqs_on+0x94/0x140
[  280.885588][ T4555]  ? __x64_sys_mount+0x1c/0xc0
[  280.890381][ T4555]  do_syscall_64+0x4c/0xa0
[  280.894819][ T4555]  ? clear_bhb_loop+0x30/0x80
[  280.899521][ T4555]  ? clear_bhb_loop+0x30/0x80
[  280.904249][ T4555]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  280.910169][ T4555] RIP: 0033:0x7f75eddc1f4a
[  280.914616][ T4555] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  280.934253][ T4555] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.942699][ T4555] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  280.950700][ T4555] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  280.958693][ T4555] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  280.966676][ T4555] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  280.974665][ T4555] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  280.982676][ T4555]  </TASK>
[  280.991129][ T4555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.004420][ T4555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.269990][ T4556] loop1: detected capacity change from 0 to 32768
[  281.325269][ T4556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.334177][ T4556] CPU: 1 PID: 4556 Comm: syz.1.196 Not tainted syzkaller #0
[  281.341547][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.351628][ T4556] Call Trace:
[  281.355013][ T4556]  <TASK>
[  281.357968][ T4556]  dump_stack_lvl+0x188/0x250
[  281.362686][ T4556]  ? show_regs_print_info+0x20/0x20
[  281.367924][ T4556]  ? load_image+0x400/0x400
[  281.372485][ T4556]  sysfs_create_dir_ns+0x26a/0x290
[  281.377634][ T4556]  ? sysfs_warn_dup+0xa0/0xa0
[  281.382347][ T4556]  ? do_raw_spin_unlock+0x11d/0x230
[  281.387578][ T4556]  kobject_add_internal+0x6e0/0xd90
[  281.392809][ T4556]  kobject_init_and_add+0x128/0x190
[  281.398040][ T4556]  ? lockdep_softirqs_off+0x430/0x430
[  281.403458][ T4556]  ? kobject_add+0x230/0x230
[  281.408089][ T4556]  ? __init_swait_queue_head+0xa5/0x150
[  281.413676][ T4556]  gfs2_sys_fs_add+0x24f/0x4b0
[  281.418473][ T4556]  ? gfs2_recover_set+0x240/0x240
[  281.423525][ T4556]  ? snprintf+0xe5/0x140
[  281.427797][ T4556]  ? __free_pages+0x95/0x1a0
[  281.432465][ T4556]  ? vscnprintf+0x80/0x80
[  281.436842][ T4556]  gfs2_fill_super+0x120f/0x1f00
[  281.441830][ T4556]  ? gfs2_reconfigure+0xd30/0xd30
[  281.446919][ T4556]  ? sb_set_blocksize+0xa5/0xe0
[  281.451801][ T4556]  get_tree_bdev+0x3f1/0x610
[  281.456419][ T4556]  ? gfs2_reconfigure+0xd30/0xd30
[  281.461476][ T4556]  gfs2_get_tree+0x4d/0x1e0
[  281.466010][ T4556]  vfs_get_tree+0x88/0x270
[  281.470469][ T4556]  do_new_mount+0x24a/0xa40
[  281.475046][ T4556]  __se_sys_mount+0x2e3/0x3d0
[  281.479774][ T4556]  ? __x64_sys_mount+0xc0/0xc0
[  281.484579][ T4556]  ? lockdep_hardirqs_on+0x94/0x140
[  281.489827][ T4556]  ? __x64_sys_mount+0x1c/0xc0
[  281.494631][ T4556]  do_syscall_64+0x4c/0xa0
[  281.499080][ T4556]  ? clear_bhb_loop+0x30/0x80
[  281.503785][ T4556]  ? clear_bhb_loop+0x30/0x80
[  281.508490][ T4556]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  281.514410][ T4556] RIP: 0033:0x7f75eddc1f4a
[  281.518941][ T4556] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  281.538578][ T4556] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.547025][ T4556] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  281.555028][ T4556] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  281.563028][ T4556] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  281.571028][ T4556] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  281.579035][ T4556] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  281.587067][ T4556]  </TASK>
[  281.593646][ T4556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.606854][ T4556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.962553][ T4557] loop1: detected capacity change from 0 to 32768
[  282.024997][ T4557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.037640][ T4557] CPU: 0 PID: 4557 Comm: syz.1.197 Not tainted syzkaller #0
[  282.045097][ T4557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.055184][ T4557] Call Trace:
[  282.058486][ T4557]  <TASK>
[  282.061436][ T4557]  dump_stack_lvl+0x188/0x250
[  282.066149][ T4557]  ? show_regs_print_info+0x20/0x20
[  282.071389][ T4557]  ? load_image+0x400/0x400
[  282.076051][ T4557]  sysfs_create_dir_ns+0x26a/0x290
[  282.081199][ T4557]  ? sysfs_warn_dup+0xa0/0xa0
[  282.085944][ T4557]  ? do_raw_spin_unlock+0x11d/0x230
[  282.091182][ T4557]  kobject_add_internal+0x6e0/0xd90
[  282.096423][ T4557]  kobject_init_and_add+0x128/0x190
[  282.101666][ T4557]  ? lockdep_softirqs_off+0x430/0x430
[  282.107085][ T4557]  ? kobject_add+0x230/0x230
[  282.111706][ T4557]  ? __init_swait_queue_head+0xa5/0x150
[  282.117295][ T4557]  gfs2_sys_fs_add+0x24f/0x4b0
[  282.122104][ T4557]  ? gfs2_recover_set+0x240/0x240
[  282.127177][ T4557]  ? snprintf+0xe5/0x140
[  282.131455][ T4557]  ? __free_pages+0x95/0x1a0
[  282.136088][ T4557]  ? vscnprintf+0x80/0x80
[  282.140490][ T4557]  gfs2_fill_super+0x120f/0x1f00
[  282.145482][ T4557]  ? gfs2_reconfigure+0xd30/0xd30
[  282.150550][ T4557]  ? sb_set_blocksize+0xa5/0xe0
[  282.155433][ T4557]  get_tree_bdev+0x3f1/0x610
[  282.160050][ T4557]  ? gfs2_reconfigure+0xd30/0xd30
[  282.165236][ T4557]  gfs2_get_tree+0x4d/0x1e0
[  282.169771][ T4557]  vfs_get_tree+0x88/0x270
[  282.174222][ T4557]  do_new_mount+0x24a/0xa40
[  282.178760][ T4557]  __se_sys_mount+0x2e3/0x3d0
[  282.183501][ T4557]  ? __x64_sys_mount+0xc0/0xc0
[  282.188299][ T4557]  ? lockdep_hardirqs_on+0x94/0x140
[  282.193550][ T4557]  ? __x64_sys_mount+0x1c/0xc0
[  282.198346][ T4557]  do_syscall_64+0x4c/0xa0
[  282.202813][ T4557]  ? clear_bhb_loop+0x30/0x80
[  282.207525][ T4557]  ? clear_bhb_loop+0x30/0x80
[  282.212235][ T4557]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  282.218167][ T4557] RIP: 0033:0x7f75eddc1f4a
[  282.222608][ T4557] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  282.242248][ T4557] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.250702][ T4557] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  282.258698][ T4557] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  282.266706][ T4557] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  282.274707][ T4557] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  282.282828][ T4557] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  282.290853][ T4557]  </TASK>
[  282.299337][ T4557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.313134][ T4557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.565645][ T4558] loop1: detected capacity change from 0 to 32768
[  282.642242][ T4558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.650510][ T4558] CPU: 1 PID: 4558 Comm: syz.1.198 Not tainted syzkaller #0
[  282.657842][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.667931][ T4558] Call Trace:
[  282.671242][ T4558]  <TASK>
[  282.674208][ T4558]  dump_stack_lvl+0x188/0x250
[  282.678928][ T4558]  ? show_regs_print_info+0x20/0x20
[  282.684198][ T4558]  ? load_image+0x400/0x400
[  282.688756][ T4558]  sysfs_create_dir_ns+0x26a/0x290
[  282.693969][ T4558]  ? sysfs_warn_dup+0xa0/0xa0
[  282.698691][ T4558]  ? do_raw_spin_unlock+0x11d/0x230
[  282.703931][ T4558]  kobject_add_internal+0x6e0/0xd90
[  282.709170][ T4558]  kobject_init_and_add+0x128/0x190
[  282.714409][ T4558]  ? lockdep_softirqs_off+0x430/0x430
[  282.719824][ T4558]  ? kobject_add+0x230/0x230
[  282.724499][ T4558]  ? __init_swait_queue_head+0xa5/0x150
[  282.730092][ T4558]  gfs2_sys_fs_add+0x24f/0x4b0
[  282.734897][ T4558]  ? gfs2_recover_set+0x240/0x240
[  282.739990][ T4558]  ? snprintf+0xe5/0x140
[  282.744291][ T4558]  ? __free_pages+0x95/0x1a0
[  282.748917][ T4558]  ? vscnprintf+0x80/0x80
[  282.753291][ T4558]  gfs2_fill_super+0x120f/0x1f00
[  282.758310][ T4558]  ? gfs2_reconfigure+0xd30/0xd30
[  282.763379][ T4558]  ? sb_set_blocksize+0xa5/0xe0
[  282.768268][ T4558]  get_tree_bdev+0x3f1/0x610
[  282.772894][ T4558]  ? gfs2_reconfigure+0xd30/0xd30
[  282.777961][ T4558]  gfs2_get_tree+0x4d/0x1e0
[  282.782508][ T4558]  vfs_get_tree+0x88/0x270
[  282.786956][ T4558]  do_new_mount+0x24a/0xa40
[  282.791490][ T4558]  __se_sys_mount+0x2e3/0x3d0
[  282.796207][ T4558]  ? __x64_sys_mount+0xc0/0xc0
[  282.801010][ T4558]  ? lockdep_hardirqs_on+0x94/0x140
[  282.806241][ T4558]  ? __x64_sys_mount+0x1c/0xc0
[  282.811042][ T4558]  do_syscall_64+0x4c/0xa0
[  282.815501][ T4558]  ? clear_bhb_loop+0x30/0x80
[  282.820208][ T4558]  ? clear_bhb_loop+0x30/0x80
[  282.824908][ T4558]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  282.830796][ T4558] RIP: 0033:0x7f75eddc1f4a
[  282.835211][ T4558] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  282.854807][ T4558] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.863215][ T4558] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  282.871190][ T4558] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  282.879154][ T4558] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  282.887213][ T4558] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  282.895195][ T4558] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  282.903179][ T4558]  </TASK>
[  282.908558][ T4558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.924793][ T4558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  283.178509][ T4329] Bluetooth: hci1: command 0x0406 tx timeout
[  283.325140][ T4559] loop1: detected capacity change from 0 to 32768
[  283.388629][ T4559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.396065][ T4559] CPU: 1 PID: 4559 Comm: syz.1.199 Not tainted syzkaller #0
[  283.403378][ T4559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.413467][ T4559] Call Trace:
[  283.416767][ T4559]  <TASK>
[  283.419725][ T4559]  dump_stack_lvl+0x188/0x250
[  283.424477][ T4559]  ? show_regs_print_info+0x20/0x20
[  283.429714][ T4559]  ? load_image+0x400/0x400
[  283.434265][ T4559]  sysfs_create_dir_ns+0x26a/0x290
[  283.439410][ T4559]  ? sysfs_warn_dup+0xa0/0xa0
[  283.444127][ T4559]  ? do_raw_spin_unlock+0x11d/0x230
[  283.449358][ T4559]  kobject_add_internal+0x6e0/0xd90
[  283.454594][ T4559]  kobject_init_and_add+0x128/0x190
[  283.459827][ T4559]  ? lockdep_softirqs_off+0x430/0x430
[  283.465234][ T4559]  ? kobject_add+0x230/0x230
[  283.469853][ T4559]  ? __init_swait_queue_head+0xa5/0x150
[  283.475429][ T4559]  gfs2_sys_fs_add+0x24f/0x4b0
[  283.480230][ T4559]  ? gfs2_recover_set+0x240/0x240
[  283.485278][ T4559]  ? snprintf+0xe5/0x140
[  283.489544][ T4559]  ? __free_pages+0x95/0x1a0
[  283.494163][ T4559]  ? vscnprintf+0x80/0x80
[  283.498535][ T4559]  gfs2_fill_super+0x120f/0x1f00
[  283.503507][ T4559]  ? gfs2_reconfigure+0xd30/0xd30
[  283.508572][ T4559]  ? sb_set_blocksize+0xa5/0xe0
[  283.513460][ T4559]  get_tree_bdev+0x3f1/0x610
[  283.518074][ T4559]  ? gfs2_reconfigure+0xd30/0xd30
[  283.523125][ T4559]  gfs2_get_tree+0x4d/0x1e0
[  283.527661][ T4559]  vfs_get_tree+0x88/0x270
[  283.532107][ T4559]  do_new_mount+0x24a/0xa40
[  283.536661][ T4559]  __se_sys_mount+0x2e3/0x3d0
[  283.541388][ T4559]  ? __x64_sys_mount+0xc0/0xc0
[  283.546186][ T4559]  ? lockdep_hardirqs_on+0x94/0x140
[  283.551418][ T4559]  ? __x64_sys_mount+0x1c/0xc0
[  283.556228][ T4559]  do_syscall_64+0x4c/0xa0
[  283.560668][ T4559]  ? clear_bhb_loop+0x30/0x80
[  283.565394][ T4559]  ? clear_bhb_loop+0x30/0x80
[  283.570098][ T4559]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  283.576021][ T4559] RIP: 0033:0x7f75eddc1f4a
[  283.580474][ T4559] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  283.600139][ T4559] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.608589][ T4559] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  283.616583][ T4559] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  283.624582][ T4559] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  283.632585][ T4559] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  283.640586][ T4559] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  283.648602][ T4559]  </TASK>
[  283.655846][ T4559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.669667][ T4559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.061549][ T4560] loop1: detected capacity change from 0 to 32768
[  284.109256][ T4560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.116693][ T4560] CPU: 0 PID: 4560 Comm: syz.1.200 Not tainted syzkaller #0
[  284.124012][ T4560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.134350][ T4560] Call Trace:
[  284.137660][ T4560]  <TASK>
[  284.140618][ T4560]  dump_stack_lvl+0x188/0x250
[  284.145369][ T4560]  ? show_regs_print_info+0x20/0x20
[  284.150609][ T4560]  ? load_image+0x400/0x400
[  284.155180][ T4560]  sysfs_create_dir_ns+0x26a/0x290
[  284.160329][ T4560]  ? sysfs_warn_dup+0xa0/0xa0
[  284.165041][ T4560]  ? do_raw_spin_unlock+0x11d/0x230
[  284.170271][ T4560]  kobject_add_internal+0x6e0/0xd90
[  284.175511][ T4560]  kobject_init_and_add+0x128/0x190
[  284.180758][ T4560]  ? lockdep_softirqs_off+0x430/0x430
[  284.186175][ T4560]  ? kobject_add+0x230/0x230
[  284.190811][ T4560]  ? __init_swait_queue_head+0xa5/0x150
[  284.196393][ T4560]  gfs2_sys_fs_add+0x24f/0x4b0
[  284.201185][ T4560]  ? gfs2_recover_set+0x240/0x240
[  284.206237][ T4560]  ? snprintf+0xe5/0x140
[  284.210499][ T4560]  ? __free_pages+0x95/0x1a0
[  284.215144][ T4560]  ? vscnprintf+0x80/0x80
[  284.219652][ T4560]  gfs2_fill_super+0x120f/0x1f00
[  284.224633][ T4560]  ? gfs2_reconfigure+0xd30/0xd30
[  284.229720][ T4560]  ? sb_set_blocksize+0xa5/0xe0
[  284.234601][ T4560]  get_tree_bdev+0x3f1/0x610
[  284.239222][ T4560]  ? gfs2_reconfigure+0xd30/0xd30
[  284.244294][ T4560]  gfs2_get_tree+0x4d/0x1e0
[  284.248830][ T4560]  vfs_get_tree+0x88/0x270
[  284.253296][ T4560]  do_new_mount+0x24a/0xa40
[  284.257874][ T4560]  __se_sys_mount+0x2e3/0x3d0
[  284.262601][ T4560]  ? __x64_sys_mount+0xc0/0xc0
[  284.267432][ T4560]  ? lockdep_hardirqs_on+0x94/0x140
[  284.272701][ T4560]  ? __x64_sys_mount+0x1c/0xc0
[  284.277500][ T4560]  do_syscall_64+0x4c/0xa0
[  284.281956][ T4560]  ? clear_bhb_loop+0x30/0x80
[  284.286786][ T4560]  ? clear_bhb_loop+0x30/0x80
[  284.291511][ T4560]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  284.297436][ T4560] RIP: 0033:0x7f75eddc1f4a
[  284.301904][ T4560] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  284.321551][ T4560] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.330025][ T4560] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  284.338032][ T4560] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  284.346127][ T4560] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  284.354144][ T4560] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  284.362146][ T4560] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  284.370170][ T4560]  </TASK>
[  284.378159][ T4560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.391715][ T4560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.737844][ T4561] loop1: detected capacity change from 0 to 32768
[  284.779724][ T4561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.787185][ T4561] CPU: 1 PID: 4561 Comm: syz.1.201 Not tainted syzkaller #0
[  284.794505][ T4561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.804586][ T4561] Call Trace:
[  284.807889][ T4561]  <TASK>
[  284.810874][ T4561]  dump_stack_lvl+0x188/0x250
[  284.815607][ T4561]  ? show_regs_print_info+0x20/0x20
[  284.820837][ T4561]  ? load_image+0x400/0x400
[  284.825395][ T4561]  sysfs_create_dir_ns+0x26a/0x290
[  284.830541][ T4561]  ? sysfs_warn_dup+0xa0/0xa0
[  284.835242][ T4561]  ? do_raw_spin_unlock+0x11d/0x230
[  284.840465][ T4561]  kobject_add_internal+0x6e0/0xd90
[  284.845700][ T4561]  kobject_init_and_add+0x128/0x190
[  284.850945][ T4561]  ? lockdep_softirqs_off+0x430/0x430
[  284.856364][ T4561]  ? kobject_add+0x230/0x230
[  284.860990][ T4561]  ? __init_swait_queue_head+0xa5/0x150
[  284.866581][ T4561]  gfs2_sys_fs_add+0x24f/0x4b0
[  284.871384][ T4561]  ? gfs2_recover_set+0x240/0x240
[  284.876434][ T4561]  ? snprintf+0xe5/0x140
[  284.880709][ T4561]  ? __free_pages+0x95/0x1a0
[  284.885349][ T4561]  ? vscnprintf+0x80/0x80
[  284.889729][ T4561]  gfs2_fill_super+0x120f/0x1f00
[  284.894710][ T4561]  ? gfs2_reconfigure+0xd30/0xd30
[  284.899807][ T4561]  ? sb_set_blocksize+0xa5/0xe0
[  284.904706][ T4561]  get_tree_bdev+0x3f1/0x610
[  284.909325][ T4561]  ? gfs2_reconfigure+0xd30/0xd30
[  284.914409][ T4561]  gfs2_get_tree+0x4d/0x1e0
[  284.918953][ T4561]  vfs_get_tree+0x88/0x270
[  284.923400][ T4561]  do_new_mount+0x24a/0xa40
[  284.927954][ T4561]  __se_sys_mount+0x2e3/0x3d0
[  284.932674][ T4561]  ? __x64_sys_mount+0xc0/0xc0
[  284.937477][ T4561]  ? lockdep_hardirqs_on+0x94/0x140
[  284.942702][ T4561]  ? __x64_sys_mount+0x1c/0xc0
[  284.947518][ T4561]  do_syscall_64+0x4c/0xa0
[  284.951965][ T4561]  ? clear_bhb_loop+0x30/0x80
[  284.956669][ T4561]  ? clear_bhb_loop+0x30/0x80
[  284.961373][ T4561]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  284.967293][ T4561] RIP: 0033:0x7f75eddc1f4a
[  284.971727][ T4561] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  284.991486][ T4561] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.999932][ T4561] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  285.007935][ T4561] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  285.015942][ T4561] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  285.023942][ T4561] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  285.031945][ T4561] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  285.039958][ T4561]  </TASK>
[  285.053699][ T4561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.067306][ T4561] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.426450][ T4562] loop1: detected capacity change from 0 to 32768
[  285.490045][ T4562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.497480][ T4562] CPU: 0 PID: 4562 Comm: syz.1.202 Not tainted syzkaller #0
[  285.504797][ T4562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.514885][ T4562] Call Trace:
[  285.518193][ T4562]  <TASK>
[  285.521167][ T4562]  dump_stack_lvl+0x188/0x250
[  285.525887][ T4562]  ? show_regs_print_info+0x20/0x20
[  285.531120][ T4562]  ? load_image+0x400/0x400
[  285.535671][ T4562]  sysfs_create_dir_ns+0x26a/0x290
[  285.540816][ T4562]  ? sysfs_warn_dup+0xa0/0xa0
[  285.545524][ T4562]  ? do_raw_spin_unlock+0x11d/0x230
[  285.550754][ T4562]  kobject_add_internal+0x6e0/0xd90
[  285.556013][ T4562]  kobject_init_and_add+0x128/0x190
[  285.561239][ T4562]  ? lockdep_softirqs_off+0x430/0x430
[  285.566648][ T4562]  ? kobject_add+0x230/0x230
[  285.571303][ T4562]  ? __init_swait_queue_head+0xa5/0x150
[  285.576878][ T4562]  gfs2_sys_fs_add+0x24f/0x4b0
[  285.581676][ T4562]  ? gfs2_recover_set+0x240/0x240
[  285.586738][ T4562]  ? snprintf+0xe5/0x140
[  285.591010][ T4562]  ? __free_pages+0x95/0x1a0
[  285.595665][ T4562]  ? vscnprintf+0x80/0x80
[  285.600040][ T4562]  gfs2_fill_super+0x120f/0x1f00
[  285.605025][ T4562]  ? gfs2_reconfigure+0xd30/0xd30
[  285.610098][ T4562]  ? sb_set_blocksize+0xa5/0xe0
[  285.614982][ T4562]  get_tree_bdev+0x3f1/0x610
[  285.619615][ T4562]  ? gfs2_reconfigure+0xd30/0xd30
[  285.624677][ T4562]  gfs2_get_tree+0x4d/0x1e0
[  285.629218][ T4562]  vfs_get_tree+0x88/0x270
[  285.633668][ T4562]  do_new_mount+0x24a/0xa40
[  285.638210][ T4562]  __se_sys_mount+0x2e3/0x3d0
[  285.642925][ T4562]  ? __x64_sys_mount+0xc0/0xc0
[  285.647734][ T4562]  ? lockdep_hardirqs_on+0x94/0x140
[  285.652955][ T4562]  ? __x64_sys_mount+0x1c/0xc0
[  285.657746][ T4562]  do_syscall_64+0x4c/0xa0
[  285.662206][ T4562]  ? clear_bhb_loop+0x30/0x80
[  285.666916][ T4562]  ? clear_bhb_loop+0x30/0x80
[  285.671622][ T4562]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  285.677532][ T4562] RIP: 0033:0x7f75eddc1f4a
[  285.681965][ T4562] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  285.701628][ T4562] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.710078][ T4562] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  285.718072][ T4562] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  285.726061][ T4562] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  285.734057][ T4562] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  285.742056][ T4562] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  285.750053][ T4562]  </TASK>
[  285.754394][ T4562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.767661][ T4562] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 18:12:22 executed programs: 188
[  286.186785][ T4563] loop1: detected capacity change from 0 to 32768
[  286.247365][ T4563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.255601][ T4563] CPU: 1 PID: 4563 Comm: syz.1.203 Not tainted syzkaller #0
[  286.262939][ T4563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  286.273018][ T4563] Call Trace:
[  286.276321][ T4563]  <TASK>
[  286.279285][ T4563]  dump_stack_lvl+0x188/0x250
[  286.284005][ T4563]  ? show_regs_print_info+0x20/0x20
[  286.289236][ T4563]  ? load_image+0x400/0x400
[  286.293790][ T4563]  sysfs_create_dir_ns+0x26a/0x290
[  286.298929][ T4563]  ? sysfs_warn_dup+0xa0/0xa0
[  286.303640][ T4563]  ? do_raw_spin_unlock+0x11d/0x230
[  286.308881][ T4563]  kobject_add_internal+0x6e0/0xd90
[  286.314124][ T4563]  kobject_init_and_add+0x128/0x190
[  286.319358][ T4563]  ? lockdep_softirqs_off+0x430/0x430
[  286.324775][ T4563]  ? kobject_add+0x230/0x230
[  286.329402][ T4563]  ? __init_swait_queue_head+0xa5/0x150
[  286.334993][ T4563]  gfs2_sys_fs_add+0x24f/0x4b0
[  286.339789][ T4563]  ? gfs2_recover_set+0x240/0x240
[  286.344844][ T4563]  ? snprintf+0xe5/0x140
[  286.349121][ T4563]  ? __free_pages+0x95/0x1a0
[  286.353758][ T4563]  ? vscnprintf+0x80/0x80
[  286.358137][ T4563]  gfs2_fill_super+0x120f/0x1f00
[  286.363123][ T4563]  ? gfs2_reconfigure+0xd30/0xd30
[  286.368195][ T4563]  ? sb_set_blocksize+0xa5/0xe0
[  286.373079][ T4563]  get_tree_bdev+0x3f1/0x610
[  286.377702][ T4563]  ? gfs2_reconfigure+0xd30/0xd30
[  286.382776][ T4563]  gfs2_get_tree+0x4d/0x1e0
[  286.387323][ T4563]  vfs_get_tree+0x88/0x270
[  286.391775][ T4563]  do_new_mount+0x24a/0xa40
[  286.396328][ T4563]  __se_sys_mount+0x2e3/0x3d0
[  286.401033][ T4563]  ? __x64_sys_mount+0xc0/0xc0
[  286.405838][ T4563]  ? lockdep_hardirqs_on+0x94/0x140
[  286.411055][ T4563]  ? __x64_sys_mount+0x1c/0xc0
[  286.415845][ T4563]  do_syscall_64+0x4c/0xa0
[  286.420285][ T4563]  ? clear_bhb_loop+0x30/0x80
[  286.424983][ T4563]  ? clear_bhb_loop+0x30/0x80
[  286.429693][ T4563]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  286.435638][ T4563] RIP: 0033:0x7f75eddc1f4a
[  286.440073][ T4563] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  286.459701][ T4563] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.468178][ T4563] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  286.476186][ T4563] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  286.484299][ T4563] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  286.492296][ T4563] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  286.500299][ T4563] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  286.508285][ T4563]  </TASK>
[  286.513231][ T4563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.526932][ T4563] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.881979][ T4564] loop1: detected capacity change from 0 to 32768
[  286.958141][ T4564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.966608][ T4564] CPU: 0 PID: 4564 Comm: syz.1.204 Not tainted syzkaller #0
[  286.973937][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  286.984018][ T4564] Call Trace:
[  286.987329][ T4564]  <TASK>
[  286.990343][ T4564]  dump_stack_lvl+0x188/0x250
[  286.995099][ T4564]  ? show_regs_print_info+0x20/0x20
[  287.000448][ T4564]  ? load_image+0x400/0x400
[  287.005059][ T4564]  sysfs_create_dir_ns+0x26a/0x290
[  287.010216][ T4564]  ? sysfs_warn_dup+0xa0/0xa0
[  287.014922][ T4564]  ? do_raw_spin_unlock+0x11d/0x230
[  287.020277][ T4564]  kobject_add_internal+0x6e0/0xd90
[  287.025547][ T4564]  kobject_init_and_add+0x128/0x190
[  287.030775][ T4564]  ? lockdep_softirqs_off+0x430/0x430
[  287.036180][ T4564]  ? kobject_add+0x230/0x230
[  287.040818][ T4564]  ? __init_swait_queue_head+0xa5/0x150
[  287.046405][ T4564]  gfs2_sys_fs_add+0x24f/0x4b0
[  287.051235][ T4564]  ? gfs2_recover_set+0x240/0x240
[  287.056295][ T4564]  ? snprintf+0xe5/0x140
[  287.060605][ T4564]  ? __free_pages+0x95/0x1a0
[  287.065342][ T4564]  ? vscnprintf+0x80/0x80
[  287.069831][ T4564]  gfs2_fill_super+0x120f/0x1f00
[  287.074821][ T4564]  ? gfs2_reconfigure+0xd30/0xd30
[  287.079903][ T4564]  ? sb_set_blocksize+0xa5/0xe0
[  287.084795][ T4564]  get_tree_bdev+0x3f1/0x610
[  287.089435][ T4564]  ? gfs2_reconfigure+0xd30/0xd30
[  287.094500][ T4564]  gfs2_get_tree+0x4d/0x1e0
[  287.099038][ T4564]  vfs_get_tree+0x88/0x270
[  287.103493][ T4564]  do_new_mount+0x24a/0xa40
[  287.108042][ T4564]  __se_sys_mount+0x2e3/0x3d0
[  287.112750][ T4564]  ? __x64_sys_mount+0xc0/0xc0
[  287.117559][ T4564]  ? lockdep_hardirqs_on+0x94/0x140
[  287.122790][ T4564]  ? __x64_sys_mount+0x1c/0xc0
[  287.127603][ T4564]  do_syscall_64+0x4c/0xa0
[  287.132063][ T4564]  ? clear_bhb_loop+0x30/0x80
[  287.136772][ T4564]  ? clear_bhb_loop+0x30/0x80
[  287.141482][ T4564]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  287.147404][ T4564] RIP: 0033:0x7f75eddc1f4a
[  287.151848][ T4564] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  287.171472][ T4564] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.180072][ T4564] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  287.188076][ T4564] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  287.196080][ T4564] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  287.204082][ T4564] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  287.212087][ T4564] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  287.220106][ T4564]  </TASK>
[  287.227917][ T4564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.241592][ T4564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.496665][ T4565] loop1: detected capacity change from 0 to 32768
[  287.572160][ T4565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.580694][ T4565] CPU: 0 PID: 4565 Comm: syz.1.205 Not tainted syzkaller #0
[  287.588026][ T4565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.598103][ T4565] Call Trace:
[  287.601418][ T4565]  <TASK>
[  287.604372][ T4565]  dump_stack_lvl+0x188/0x250
[  287.609095][ T4565]  ? show_regs_print_info+0x20/0x20
[  287.614322][ T4565]  ? load_image+0x400/0x400
[  287.618882][ T4565]  sysfs_create_dir_ns+0x26a/0x290
[  287.624025][ T4565]  ? sysfs_warn_dup+0xa0/0xa0
[  287.628743][ T4565]  ? do_raw_spin_unlock+0x11d/0x230
[  287.633993][ T4565]  kobject_add_internal+0x6e0/0xd90
[  287.639240][ T4565]  kobject_init_and_add+0x128/0x190
[  287.644465][ T4565]  ? lockdep_softirqs_off+0x430/0x430
[  287.649874][ T4565]  ? kobject_add+0x230/0x230
[  287.654604][ T4565]  ? __init_swait_queue_head+0xa5/0x150
[  287.660177][ T4565]  gfs2_sys_fs_add+0x24f/0x4b0
[  287.664975][ T4565]  ? gfs2_recover_set+0x240/0x240
[  287.670043][ T4565]  ? snprintf+0xe5/0x140
[  287.674314][ T4565]  ? __free_pages+0x95/0x1a0
[  287.678933][ T4565]  ? vscnprintf+0x80/0x80
[  287.683304][ T4565]  gfs2_fill_super+0x120f/0x1f00
[  287.688277][ T4565]  ? gfs2_reconfigure+0xd30/0xd30
[  287.693338][ T4565]  ? sb_set_blocksize+0xa5/0xe0
[  287.698219][ T4565]  get_tree_bdev+0x3f1/0x610
[  287.702862][ T4565]  ? gfs2_reconfigure+0xd30/0xd30
[  287.707918][ T4565]  gfs2_get_tree+0x4d/0x1e0
[  287.712457][ T4565]  vfs_get_tree+0x88/0x270
[  287.716966][ T4565]  do_new_mount+0x24a/0xa40
[  287.721529][ T4565]  __se_sys_mount+0x2e3/0x3d0
[  287.726211][ T4565]  ? __x64_sys_mount+0xc0/0xc0
[  287.730992][ T4565]  ? lockdep_hardirqs_on+0x94/0x140
[  287.736193][ T4565]  ? __x64_sys_mount+0x1c/0xc0
[  287.740955][ T4565]  do_syscall_64+0x4c/0xa0
[  287.745392][ T4565]  ? clear_bhb_loop+0x30/0x80
[  287.750071][ T4565]  ? clear_bhb_loop+0x30/0x80
[  287.754760][ T4565]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  287.760672][ T4565] RIP: 0033:0x7f75eddc1f4a
[  287.765095][ T4565] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  287.784694][ T4565] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.793106][ T4565] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  287.801084][ T4565] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  287.809081][ T4565] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  287.817052][ T4565] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  287.825023][ T4565] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  287.833002][ T4565]  </TASK>
[  287.837465][ T4565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.850735][ T4565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.245542][ T4566] loop1: detected capacity change from 0 to 32768
[  288.309752][ T4566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.317175][ T4566] CPU: 0 PID: 4566 Comm: syz.1.206 Not tainted syzkaller #0
[  288.324477][ T4566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  288.334563][ T4566] Call Trace:
[  288.337865][ T4566]  <TASK>
[  288.340841][ T4566]  dump_stack_lvl+0x188/0x250
[  288.345549][ T4566]  ? show_regs_print_info+0x20/0x20
[  288.350772][ T4566]  ? load_image+0x400/0x400
[  288.355326][ T4566]  sysfs_create_dir_ns+0x26a/0x290
[  288.360482][ T4566]  ? sysfs_warn_dup+0xa0/0xa0
[  288.365192][ T4566]  ? do_raw_spin_unlock+0x11d/0x230
[  288.370420][ T4566]  kobject_add_internal+0x6e0/0xd90
[  288.375661][ T4566]  kobject_init_and_add+0x128/0x190
[  288.380895][ T4566]  ? lockdep_softirqs_off+0x430/0x430
[  288.386331][ T4566]  ? kobject_add+0x230/0x230
[  288.390962][ T4566]  ? __init_swait_queue_head+0xa5/0x150
[  288.396549][ T4566]  gfs2_sys_fs_add+0x24f/0x4b0
[  288.401352][ T4566]  ? gfs2_recover_set+0x240/0x240
[  288.406410][ T4566]  ? snprintf+0xe5/0x140
[  288.410679][ T4566]  ? __free_pages+0x95/0x1a0
[  288.415315][ T4566]  ? vscnprintf+0x80/0x80
[  288.419692][ T4566]  gfs2_fill_super+0x120f/0x1f00
[  288.424701][ T4566]  ? gfs2_reconfigure+0xd30/0xd30
[  288.429783][ T4566]  ? sb_set_blocksize+0xa5/0xe0
[  288.434660][ T4566]  get_tree_bdev+0x3f1/0x610
[  288.439288][ T4566]  ? gfs2_reconfigure+0xd30/0xd30
[  288.444357][ T4566]  gfs2_get_tree+0x4d/0x1e0
[  288.448895][ T4566]  vfs_get_tree+0x88/0x270
[  288.453350][ T4566]  do_new_mount+0x24a/0xa40
[  288.457908][ T4566]  __se_sys_mount+0x2e3/0x3d0
[  288.462623][ T4566]  ? __x64_sys_mount+0xc0/0xc0
[  288.467423][ T4566]  ? lockdep_hardirqs_on+0x94/0x140
[  288.472658][ T4566]  ? __x64_sys_mount+0x1c/0xc0
[  288.477453][ T4566]  do_syscall_64+0x4c/0xa0
[  288.481909][ T4566]  ? clear_bhb_loop+0x30/0x80
[  288.486612][ T4566]  ? clear_bhb_loop+0x30/0x80
[  288.491323][ T4566]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  288.497251][ T4566] RIP: 0033:0x7f75eddc1f4a
[  288.501697][ T4566] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  288.521338][ T4566] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.529789][ T4566] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  288.537800][ T4566] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  288.545806][ T4566] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  288.553810][ T4566] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  288.561826][ T4566] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  288.569867][ T4566]  </TASK>
[  288.584175][ T4566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.597538][ T4566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  288.980273][ T4567] loop1: detected capacity change from 0 to 32768
[  289.037593][ T4567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.045128][ T4567] CPU: 1 PID: 4567 Comm: syz.1.207 Not tainted syzkaller #0
[  289.052445][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.062571][ T4567] Call Trace:
[  289.065875][ T4567]  <TASK>
[  289.068843][ T4567]  dump_stack_lvl+0x188/0x250
[  289.073560][ T4567]  ? show_regs_print_info+0x20/0x20
[  289.078798][ T4567]  ? load_image+0x400/0x400
[  289.083378][ T4567]  sysfs_create_dir_ns+0x26a/0x290
[  289.088533][ T4567]  ? sysfs_warn_dup+0xa0/0xa0
[  289.093240][ T4567]  ? do_raw_spin_unlock+0x11d/0x230
[  289.098586][ T4567]  kobject_add_internal+0x6e0/0xd90
[  289.103826][ T4567]  kobject_init_and_add+0x128/0x190
[  289.109053][ T4567]  ? lockdep_softirqs_off+0x430/0x430
[  289.114458][ T4567]  ? kobject_add+0x230/0x230
[  289.119082][ T4567]  ? __init_swait_queue_head+0xa5/0x150
[  289.124651][ T4567]  gfs2_sys_fs_add+0x24f/0x4b0
[  289.129444][ T4567]  ? gfs2_recover_set+0x240/0x240
[  289.134502][ T4567]  ? snprintf+0xe5/0x140
[  289.138783][ T4567]  ? __free_pages+0x95/0x1a0
[  289.143417][ T4567]  ? vscnprintf+0x80/0x80
[  289.147792][ T4567]  gfs2_fill_super+0x120f/0x1f00
[  289.152788][ T4567]  ? gfs2_reconfigure+0xd30/0xd30
[  289.157860][ T4567]  ? sb_set_blocksize+0xa5/0xe0
[  289.162739][ T4567]  get_tree_bdev+0x3f1/0x610
[  289.167361][ T4567]  ? gfs2_reconfigure+0xd30/0xd30
[  289.172418][ T4567]  gfs2_get_tree+0x4d/0x1e0
[  289.176952][ T4567]  vfs_get_tree+0x88/0x270
[  289.181405][ T4567]  do_new_mount+0x24a/0xa40
[  289.185950][ T4567]  __se_sys_mount+0x2e3/0x3d0
[  289.190651][ T4567]  ? __x64_sys_mount+0xc0/0xc0
[  289.195445][ T4567]  ? lockdep_hardirqs_on+0x94/0x140
[  289.200677][ T4567]  ? __x64_sys_mount+0x1c/0xc0
[  289.205477][ T4567]  do_syscall_64+0x4c/0xa0
[  289.209939][ T4567]  ? clear_bhb_loop+0x30/0x80
[  289.214643][ T4567]  ? clear_bhb_loop+0x30/0x80
[  289.219360][ T4567]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  289.225295][ T4567] RIP: 0033:0x7f75eddc1f4a
[  289.229736][ T4567] 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
[  289.249369][ T4567] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.257826][ T4567] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  289.265827][ T4567] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  289.273831][ T4567] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  289.281830][ T4567] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  289.289922][ T4567] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  289.297934][ T4567]  </TASK>
[  289.306959][ T4567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.320478][ T4567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.587428][ T4568] loop1: detected capacity change from 0 to 32768
[  289.649651][ T4568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.657088][ T4568] CPU: 1 PID: 4568 Comm: syz.1.208 Not tainted syzkaller #0
[  289.664410][ T4568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.674492][ T4568] Call Trace:
[  289.677824][ T4568]  <TASK>
[  289.680782][ T4568]  dump_stack_lvl+0x188/0x250
[  289.685507][ T4568]  ? show_regs_print_info+0x20/0x20
[  289.690744][ T4568]  ? load_image+0x400/0x400
[  289.695293][ T4568]  sysfs_create_dir_ns+0x26a/0x290
[  289.700439][ T4568]  ? sysfs_warn_dup+0xa0/0xa0
[  289.705156][ T4568]  ? do_raw_spin_unlock+0x11d/0x230
[  289.710384][ T4568]  kobject_add_internal+0x6e0/0xd90
[  289.715630][ T4568]  kobject_init_and_add+0x128/0x190
[  289.720870][ T4568]  ? lockdep_softirqs_off+0x430/0x430
[  289.726275][ T4568]  ? kobject_add+0x230/0x230
[  289.730909][ T4568]  ? __init_swait_queue_head+0xa5/0x150
[  289.736495][ T4568]  gfs2_sys_fs_add+0x24f/0x4b0
[  289.741293][ T4568]  ? gfs2_recover_set+0x240/0x240
[  289.746353][ T4568]  ? snprintf+0xe5/0x140
[  289.750622][ T4568]  ? __free_pages+0x95/0x1a0
[  289.755242][ T4568]  ? vscnprintf+0x80/0x80
[  289.759617][ T4568]  gfs2_fill_super+0x120f/0x1f00
[  289.764599][ T4568]  ? gfs2_reconfigure+0xd30/0xd30
[  289.769690][ T4568]  ? sb_set_blocksize+0xa5/0xe0
[  289.774569][ T4568]  get_tree_bdev+0x3f1/0x610
[  289.779216][ T4568]  ? gfs2_reconfigure+0xd30/0xd30
[  289.784278][ T4568]  gfs2_get_tree+0x4d/0x1e0
[  289.788822][ T4568]  vfs_get_tree+0x88/0x270
[  289.793280][ T4568]  do_new_mount+0x24a/0xa40
[  289.797820][ T4568]  __se_sys_mount+0x2e3/0x3d0
[  289.802551][ T4568]  ? __x64_sys_mount+0xc0/0xc0
[  289.807351][ T4568]  ? lockdep_hardirqs_on+0x94/0x140
[  289.812594][ T4568]  ? __x64_sys_mount+0x1c/0xc0
[  289.817388][ T4568]  do_syscall_64+0x4c/0xa0
[  289.821833][ T4568]  ? clear_bhb_loop+0x30/0x80
[  289.826647][ T4568]  ? clear_bhb_loop+0x30/0x80
[  289.831352][ T4568]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  289.837271][ T4568] RIP: 0033:0x7f75eddc1f4a
[  289.841722][ T4568] 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
[  289.861379][ T4568] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.869856][ T4568] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  289.877856][ T4568] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  289.885855][ T4568] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  289.893842][ T4568] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  289.901829][ T4568] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  289.909908][ T4568]  </TASK>
[  289.913685][ T4568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.927156][ T4568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.294820][ T4569] loop1: detected capacity change from 0 to 32768
[  290.312812][ T4569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.320652][ T4569] CPU: 0 PID: 4569 Comm: syz.1.209 Not tainted syzkaller #0
[  290.328010][ T4569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.338095][ T4569] Call Trace:
[  290.341419][ T4569]  <TASK>
[  290.344390][ T4569]  dump_stack_lvl+0x188/0x250
[  290.349120][ T4569]  ? show_regs_print_info+0x20/0x20
[  290.354351][ T4569]  ? load_image+0x400/0x400
[  290.358916][ T4569]  sysfs_create_dir_ns+0x26a/0x290
[  290.364060][ T4569]  ? sysfs_warn_dup+0xa0/0xa0
[  290.368757][ T4569]  ? do_raw_spin_unlock+0x11d/0x230
[  290.373988][ T4569]  kobject_add_internal+0x6e0/0xd90
[  290.379223][ T4569]  kobject_init_and_add+0x128/0x190
[  290.384474][ T4569]  ? lockdep_softirqs_off+0x430/0x430
[  290.389883][ T4569]  ? kobject_add+0x230/0x230
[  290.394510][ T4569]  ? __init_swait_queue_head+0xa5/0x150
[  290.400101][ T4569]  gfs2_sys_fs_add+0x24f/0x4b0
[  290.404927][ T4569]  ? gfs2_recover_set+0x240/0x240
[  290.409975][ T4569]  ? snprintf+0xe5/0x140
[  290.414243][ T4569]  ? __free_pages+0x95/0x1a0
[  290.418865][ T4569]  ? vscnprintf+0x80/0x80
[  290.423236][ T4569]  gfs2_fill_super+0x120f/0x1f00
[  290.428238][ T4569]  ? gfs2_reconfigure+0xd30/0xd30
[  290.433334][ T4569]  ? sb_set_blocksize+0xa5/0xe0
[  290.438221][ T4569]  get_tree_bdev+0x3f1/0x610
[  290.442852][ T4569]  ? gfs2_reconfigure+0xd30/0xd30
[  290.447909][ T4569]  gfs2_get_tree+0x4d/0x1e0
[  290.452448][ T4569]  vfs_get_tree+0x88/0x270
[  290.456868][ T4569]  do_new_mount+0x24a/0xa40
[  290.461373][ T4569]  __se_sys_mount+0x2e3/0x3d0
[  290.466062][ T4569]  ? __x64_sys_mount+0xc0/0xc0
[  290.470827][ T4569]  ? lockdep_hardirqs_on+0x94/0x140
[  290.476024][ T4569]  ? __x64_sys_mount+0x1c/0xc0
[  290.480789][ T4569]  do_syscall_64+0x4c/0xa0
[  290.485200][ T4569]  ? clear_bhb_loop+0x30/0x80
[  290.489867][ T4569]  ? clear_bhb_loop+0x30/0x80
[  290.494538][ T4569]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  290.500444][ T4569] RIP: 0033:0x7f75eddc1f4a
[  290.504861][ T4569] 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
[  290.524464][ T4569] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.532885][ T4569] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  290.540862][ T4569] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  290.548833][ T4569] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  290.556799][ T4569] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  290.564759][ T4569] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  290.572734][ T4569]  </TASK>
[  290.577256][ T4569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.590526][ T4569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.961803][ T4570] loop1: detected capacity change from 0 to 32768
[  290.980801][ T4570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.988231][ T4570] CPU: 1 PID: 4570 Comm: syz.1.210 Not tainted syzkaller #0
[  290.995547][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  291.005629][ T4570] Call Trace:
[  291.008933][ T4570]  <TASK>
[  291.011883][ T4570]  dump_stack_lvl+0x188/0x250
[  291.016593][ T4570]  ? show_regs_print_info+0x20/0x20
[  291.021829][ T4570]  ? load_image+0x400/0x400
[  291.026389][ T4570]  sysfs_create_dir_ns+0x26a/0x290
[  291.031547][ T4570]  ? sysfs_warn_dup+0xa0/0xa0
[  291.036278][ T4570]  ? do_raw_spin_unlock+0x11d/0x230
[  291.041518][ T4570]  kobject_add_internal+0x6e0/0xd90
[  291.046751][ T4570]  kobject_init_and_add+0x128/0x190
[  291.051970][ T4570]  ? lockdep_softirqs_off+0x430/0x430
[  291.057383][ T4570]  ? kobject_add+0x230/0x230
[  291.062028][ T4570]  ? __init_swait_queue_head+0xa5/0x150
[  291.067626][ T4570]  gfs2_sys_fs_add+0x24f/0x4b0
[  291.072433][ T4570]  ? gfs2_recover_set+0x240/0x240
[  291.077492][ T4570]  ? snprintf+0xe5/0x140
[  291.081768][ T4570]  ? __free_pages+0x95/0x1a0
[  291.086389][ T4570]  ? vscnprintf+0x80/0x80
[  291.090771][ T4570]  gfs2_fill_super+0x120f/0x1f00
[  291.095752][ T4570]  ? gfs2_reconfigure+0xd30/0xd30
[  291.100836][ T4570]  ? sb_set_blocksize+0xa5/0xe0
[  291.105723][ T4570]  get_tree_bdev+0x3f1/0x610
[  291.110344][ T4570]  ? gfs2_reconfigure+0xd30/0xd30
[  291.115413][ T4570]  gfs2_get_tree+0x4d/0x1e0
[  291.119943][ T4570]  vfs_get_tree+0x88/0x270
[  291.124401][ T4570]  do_new_mount+0x24a/0xa40
[  291.128958][ T4570]  __se_sys_mount+0x2e3/0x3d0
[  291.133677][ T4570]  ? __x64_sys_mount+0xc0/0xc0
[  291.138475][ T4570]  ? lockdep_hardirqs_on+0x94/0x140
[  291.143701][ T4570]  ? __x64_sys_mount+0x1c/0xc0
[  291.148493][ T4570]  do_syscall_64+0x4c/0xa0
[  291.152944][ T4570]  ? clear_bhb_loop+0x30/0x80
[  291.157649][ T4570]  ? clear_bhb_loop+0x30/0x80
[  291.162354][ T4570]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  291.168281][ T4570] RIP: 0033:0x7f75eddc1f4a
[  291.172734][ T4570] 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
[  291.192373][ T4570] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.200821][ T4570] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  291.208849][ T4570] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  291.216854][ T4570] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  291.224862][ T4570] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  291.232865][ T4570] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  291.240885][ T4570]  </TASK>
[  291.250371][ T4570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.264168][ T4570] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 18:12:28 executed programs: 196
[  291.650343][ T4572] loop1: detected capacity change from 0 to 32768
[  291.701560][ T4572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.709836][ T4572] CPU: 1 PID: 4572 Comm: syz.1.211 Not tainted syzkaller #0
[  291.717194][ T4572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  291.727290][ T4572] Call Trace:
[  291.730596][ T4572]  <TASK>
[  291.733544][ T4572]  dump_stack_lvl+0x188/0x250
[  291.738261][ T4572]  ? show_regs_print_info+0x20/0x20
[  291.743497][ T4572]  ? load_image+0x400/0x400
[  291.748035][ T4572]  sysfs_create_dir_ns+0x26a/0x290
[  291.753178][ T4572]  ? sysfs_warn_dup+0xa0/0xa0
[  291.757887][ T4572]  ? do_raw_spin_unlock+0x11d/0x230
[  291.763139][ T4572]  kobject_add_internal+0x6e0/0xd90
[  291.768367][ T4572]  kobject_init_and_add+0x128/0x190
[  291.773594][ T4572]  ? lockdep_softirqs_off+0x430/0x430
[  291.779002][ T4572]  ? kobject_add+0x230/0x230
[  291.783619][ T4572]  ? __init_swait_queue_head+0xa5/0x150
[  291.789198][ T4572]  gfs2_sys_fs_add+0x24f/0x4b0
[  291.793998][ T4572]  ? gfs2_recover_set+0x240/0x240
[  291.799048][ T4572]  ? snprintf+0xe5/0x140
[  291.803328][ T4572]  ? __free_pages+0x95/0x1a0
[  291.807981][ T4572]  ? vscnprintf+0x80/0x80
[  291.812366][ T4572]  gfs2_fill_super+0x120f/0x1f00
[  291.817344][ T4572]  ? gfs2_reconfigure+0xd30/0xd30
[  291.822440][ T4572]  ? sb_set_blocksize+0xa5/0xe0
[  291.827336][ T4572]  get_tree_bdev+0x3f1/0x610
[  291.831953][ T4572]  ? gfs2_reconfigure+0xd30/0xd30
[  291.837010][ T4572]  gfs2_get_tree+0x4d/0x1e0
[  291.841545][ T4572]  vfs_get_tree+0x88/0x270
[  291.845993][ T4572]  do_new_mount+0x24a/0xa40
[  291.850537][ T4572]  __se_sys_mount+0x2e3/0x3d0
[  291.855245][ T4572]  ? __x64_sys_mount+0xc0/0xc0
[  291.860066][ T4572]  ? lockdep_hardirqs_on+0x94/0x140
[  291.865304][ T4572]  ? __x64_sys_mount+0x1c/0xc0
[  291.870116][ T4572]  do_syscall_64+0x4c/0xa0
[  291.874605][ T4572]  ? clear_bhb_loop+0x30/0x80
[  291.879313][ T4572]  ? clear_bhb_loop+0x30/0x80
[  291.884017][ T4572]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  291.889930][ T4572] RIP: 0033:0x7f75eddc1f4a
[  291.894369][ T4572] 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
[  291.914002][ T4572] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.922442][ T4572] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  291.930440][ T4572] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  291.938444][ T4572] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  291.946448][ T4572] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  291.954456][ T4572] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  291.962476][ T4572]  </TASK>
[  291.979144][ T4572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.992749][ T4572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.365440][ T4575] loop1: detected capacity change from 0 to 32768
[  292.410992][ T4575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.421718][ T4575] CPU: 0 PID: 4575 Comm: syz.1.212 Not tainted syzkaller #0
[  292.429045][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.439117][ T4575] Call Trace:
[  292.442424][ T4575]  <TASK>
[  292.445377][ T4575]  dump_stack_lvl+0x188/0x250
[  292.450092][ T4575]  ? show_regs_print_info+0x20/0x20
[  292.455325][ T4575]  ? load_image+0x400/0x400
[  292.459871][ T4575]  sysfs_create_dir_ns+0x26a/0x290
[  292.465012][ T4575]  ? sysfs_warn_dup+0xa0/0xa0
[  292.469717][ T4575]  ? do_raw_spin_unlock+0x11d/0x230
[  292.474942][ T4575]  kobject_add_internal+0x6e0/0xd90
[  292.480183][ T4575]  kobject_init_and_add+0x128/0x190
[  292.485410][ T4575]  ? lockdep_softirqs_off+0x430/0x430
[  292.490816][ T4575]  ? kobject_add+0x230/0x230
[  292.495439][ T4575]  ? __init_swait_queue_head+0xa5/0x150
[  292.501025][ T4575]  gfs2_sys_fs_add+0x24f/0x4b0
[  292.505823][ T4575]  ? gfs2_recover_set+0x240/0x240
[  292.510884][ T4575]  ? snprintf+0xe5/0x140
[  292.515158][ T4575]  ? __free_pages+0x95/0x1a0
[  292.519773][ T4575]  ? vscnprintf+0x80/0x80
[  292.524182][ T4575]  gfs2_fill_super+0x120f/0x1f00
[  292.529193][ T4575]  ? gfs2_reconfigure+0xd30/0xd30
[  292.534271][ T4575]  ? sb_set_blocksize+0xa5/0xe0
[  292.539152][ T4575]  get_tree_bdev+0x3f1/0x610
[  292.543775][ T4575]  ? gfs2_reconfigure+0xd30/0xd30
[  292.548832][ T4575]  gfs2_get_tree+0x4d/0x1e0
[  292.553357][ T4575]  vfs_get_tree+0x88/0x270
[  292.557803][ T4575]  do_new_mount+0x24a/0xa40
[  292.562333][ T4575]  __se_sys_mount+0x2e3/0x3d0
[  292.567043][ T4575]  ? __x64_sys_mount+0xc0/0xc0
[  292.571836][ T4575]  ? lockdep_hardirqs_on+0x94/0x140
[  292.577152][ T4575]  ? __x64_sys_mount+0x1c/0xc0
[  292.581948][ T4575]  do_syscall_64+0x4c/0xa0
[  292.586394][ T4575]  ? clear_bhb_loop+0x30/0x80
[  292.591124][ T4575]  ? clear_bhb_loop+0x30/0x80
[  292.595830][ T4575]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  292.601756][ T4575] RIP: 0033:0x7f75eddc1f4a
[  292.606204][ T4575] 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
[  292.625836][ T4575] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.634286][ T4575] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  292.642296][ T4575] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  292.650296][ T4575] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  292.658332][ T4575] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  292.666339][ T4575] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  292.674350][ T4575]  </TASK>
[  292.679112][ T4575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.692408][ T4575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.974746][ T4577] loop1: detected capacity change from 0 to 32768
[  293.028305][ T4577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.036286][ T4577] CPU: 0 PID: 4577 Comm: syz.1.213 Not tainted syzkaller #0
[  293.043605][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  293.053690][ T4577] Call Trace:
[  293.056994][ T4577]  <TASK>
[  293.059955][ T4577]  dump_stack_lvl+0x188/0x250
[  293.064675][ T4577]  ? show_regs_print_info+0x20/0x20
[  293.069916][ T4577]  ? load_image+0x400/0x400
[  293.074458][ T4577]  sysfs_create_dir_ns+0x26a/0x290
[  293.079610][ T4577]  ? sysfs_warn_dup+0xa0/0xa0
[  293.084320][ T4577]  ? do_raw_spin_unlock+0x11d/0x230
[  293.089580][ T4577]  kobject_add_internal+0x6e0/0xd90
[  293.095096][ T4577]  kobject_init_and_add+0x128/0x190
[  293.100329][ T4577]  ? lockdep_softirqs_off+0x430/0x430
[  293.105745][ T4577]  ? kobject_add+0x230/0x230
[  293.110384][ T4577]  ? __init_swait_queue_head+0xa5/0x150
[  293.115981][ T4577]  gfs2_sys_fs_add+0x24f/0x4b0
[  293.120783][ T4577]  ? gfs2_recover_set+0x240/0x240
[  293.125854][ T4577]  ? snprintf+0xe5/0x140
[  293.130144][ T4577]  ? __free_pages+0x95/0x1a0
[  293.134762][ T4577]  ? vscnprintf+0x80/0x80
[  293.139121][ T4577]  gfs2_fill_super+0x120f/0x1f00
[  293.144126][ T4577]  ? gfs2_reconfigure+0xd30/0xd30
[  293.149187][ T4577]  ? sb_set_blocksize+0xa5/0xe0
[  293.154069][ T4577]  get_tree_bdev+0x3f1/0x610
[  293.158683][ T4577]  ? gfs2_reconfigure+0xd30/0xd30
[  293.163738][ T4577]  gfs2_get_tree+0x4d/0x1e0
[  293.168270][ T4577]  vfs_get_tree+0x88/0x270
[  293.172711][ T4577]  do_new_mount+0x24a/0xa40
[  293.177256][ T4577]  __se_sys_mount+0x2e3/0x3d0
[  293.181969][ T4577]  ? __x64_sys_mount+0xc0/0xc0
[  293.186767][ T4577]  ? lockdep_hardirqs_on+0x94/0x140
[  293.192008][ T4577]  ? __x64_sys_mount+0x1c/0xc0
[  293.196802][ T4577]  do_syscall_64+0x4c/0xa0
[  293.201241][ T4577]  ? clear_bhb_loop+0x30/0x80
[  293.205945][ T4577]  ? clear_bhb_loop+0x30/0x80
[  293.210668][ T4577]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  293.216593][ T4577] RIP: 0033:0x7f75eddc1f4a
[  293.221041][ T4577] 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
[  293.240672][ T4577] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.249112][ T4577] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  293.257106][ T4577] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  293.265100][ T4577] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  293.273093][ T4577] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  293.281204][ T4577] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  293.289216][ T4577]  </TASK>
[  293.294914][ T4577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.308515][ T4577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  293.563610][ T4578] loop1: detected capacity change from 0 to 32768
[  293.583268][ T4578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.591026][ T4578] CPU: 1 PID: 4578 Comm: syz.1.214 Not tainted syzkaller #0
[  293.598334][ T4578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  293.608412][ T4578] Call Trace:
[  293.611720][ T4578]  <TASK>
[  293.614668][ T4578]  dump_stack_lvl+0x188/0x250
[  293.619373][ T4578]  ? show_regs_print_info+0x20/0x20
[  293.624599][ T4578]  ? load_image+0x400/0x400
[  293.629135][ T4578]  sysfs_create_dir_ns+0x26a/0x290
[  293.634271][ T4578]  ? sysfs_warn_dup+0xa0/0xa0
[  293.638985][ T4578]  ? do_raw_spin_unlock+0x11d/0x230
[  293.644223][ T4578]  kobject_add_internal+0x6e0/0xd90
[  293.649457][ T4578]  kobject_init_and_add+0x128/0x190
[  293.654678][ T4578]  ? lockdep_softirqs_off+0x430/0x430
[  293.660092][ T4578]  ? kobject_add+0x230/0x230
[  293.664720][ T4578]  ? __init_swait_queue_head+0xa5/0x150
[  293.670308][ T4578]  gfs2_sys_fs_add+0x24f/0x4b0
[  293.675106][ T4578]  ? gfs2_recover_set+0x240/0x240
[  293.680153][ T4578]  ? snprintf+0xe5/0x140
[  293.684423][ T4578]  ? __free_pages+0x95/0x1a0
[  293.689044][ T4578]  ? vscnprintf+0x80/0x80
[  293.693411][ T4578]  gfs2_fill_super+0x120f/0x1f00
[  293.698387][ T4578]  ? gfs2_reconfigure+0xd30/0xd30
[  293.703461][ T4578]  ? sb_set_blocksize+0xa5/0xe0
[  293.708343][ T4578]  get_tree_bdev+0x3f1/0x610
[  293.712964][ T4578]  ? gfs2_reconfigure+0xd30/0xd30
[  293.718020][ T4578]  gfs2_get_tree+0x4d/0x1e0
[  293.722558][ T4578]  vfs_get_tree+0x88/0x270
[  293.727004][ T4578]  do_new_mount+0x24a/0xa40
[  293.731539][ T4578]  __se_sys_mount+0x2e3/0x3d0
[  293.736245][ T4578]  ? __x64_sys_mount+0xc0/0xc0
[  293.741057][ T4578]  ? lockdep_hardirqs_on+0x94/0x140
[  293.746280][ T4578]  ? __x64_sys_mount+0x1c/0xc0
[  293.751084][ T4578]  do_syscall_64+0x4c/0xa0
[  293.755536][ T4578]  ? clear_bhb_loop+0x30/0x80
[  293.760238][ T4578]  ? clear_bhb_loop+0x30/0x80
[  293.764944][ T4578]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  293.770864][ T4578] RIP: 0033:0x7f75eddc1f4a
[  293.775337][ T4578] 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
[  293.794970][ T4578] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.803436][ T4578] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  293.811444][ T4578] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  293.819430][ T4578] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  293.827428][ T4578] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  293.835420][ T4578] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  293.843428][ T4578]  </TASK>
[  293.852494][ T4578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.865776][ T4578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.127464][ T4580] loop1: detected capacity change from 0 to 32768
[  294.137795][ T4580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.145908][ T4580] CPU: 1 PID: 4580 Comm: syz.1.215 Not tainted syzkaller #0
[  294.153212][ T4580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  294.163325][ T4580] Call Trace:
[  294.166627][ T4580]  <TASK>
[  294.169582][ T4580]  dump_stack_lvl+0x188/0x250
[  294.174298][ T4580]  ? show_regs_print_info+0x20/0x20
[  294.179529][ T4580]  ? load_image+0x400/0x400
[  294.184077][ T4580]  sysfs_create_dir_ns+0x26a/0x290
[  294.189239][ T4580]  ? sysfs_warn_dup+0xa0/0xa0
[  294.193944][ T4580]  ? do_raw_spin_unlock+0x11d/0x230
[  294.199187][ T4580]  kobject_add_internal+0x6e0/0xd90
[  294.204426][ T4580]  kobject_init_and_add+0x128/0x190
[  294.209658][ T4580]  ? lockdep_softirqs_off+0x430/0x430
[  294.215071][ T4580]  ? kobject_add+0x230/0x230
[  294.219699][ T4580]  ? __init_swait_queue_head+0xa5/0x150
[  294.225282][ T4580]  gfs2_sys_fs_add+0x24f/0x4b0
[  294.230091][ T4580]  ? gfs2_recover_set+0x240/0x240
[  294.235141][ T4580]  ? snprintf+0xe5/0x140
[  294.239410][ T4580]  ? __free_pages+0x95/0x1a0
[  294.244032][ T4580]  ? vscnprintf+0x80/0x80
[  294.248402][ T4580]  gfs2_fill_super+0x120f/0x1f00
[  294.253375][ T4580]  ? gfs2_reconfigure+0xd30/0xd30
[  294.258438][ T4580]  ? sb_set_blocksize+0xa5/0xe0
[  294.263315][ T4580]  get_tree_bdev+0x3f1/0x610
[  294.267941][ T4580]  ? gfs2_reconfigure+0xd30/0xd30
[  294.273015][ T4580]  gfs2_get_tree+0x4d/0x1e0
[  294.277558][ T4580]  vfs_get_tree+0x88/0x270
[  294.281981][ T4580]  do_new_mount+0x24a/0xa40
[  294.286491][ T4580]  __se_sys_mount+0x2e3/0x3d0
[  294.291181][ T4580]  ? __x64_sys_mount+0xc0/0xc0
[  294.295959][ T4580]  ? lockdep_hardirqs_on+0x94/0x140
[  294.301430][ T4580]  ? __x64_sys_mount+0x1c/0xc0
[  294.306213][ T4580]  do_syscall_64+0x4c/0xa0
[  294.310637][ T4580]  ? clear_bhb_loop+0x30/0x80
[  294.315322][ T4580]  ? clear_bhb_loop+0x30/0x80
[  294.320001][ T4580]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  294.325897][ T4580] RIP: 0033:0x7f75eddc1f4a
[  294.330309][ T4580] 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
[  294.349918][ T4580] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.358334][ T4580] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  294.366348][ T4580] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  294.374321][ T4580] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  294.382287][ T4580] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  294.390389][ T4580] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  294.398383][ T4580]  </TASK>
[  294.402796][ T4580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.416032][ T4580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.818996][ T4582] loop1: detected capacity change from 0 to 32768
[  294.869425][ T4582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.876861][ T4582] CPU: 0 PID: 4582 Comm: syz.1.216 Not tainted syzkaller #0
[  294.884166][ T4582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  294.894241][ T4582] Call Trace:
[  294.897584][ T4582]  <TASK>
[  294.900550][ T4582]  dump_stack_lvl+0x188/0x250
[  294.905266][ T4582]  ? show_regs_print_info+0x20/0x20
[  294.910502][ T4582]  ? load_image+0x400/0x400
[  294.915049][ T4582]  sysfs_create_dir_ns+0x26a/0x290
[  294.920190][ T4582]  ? sysfs_warn_dup+0xa0/0xa0
[  294.924899][ T4582]  ? do_raw_spin_unlock+0x11d/0x230
[  294.930126][ T4582]  kobject_add_internal+0x6e0/0xd90
[  294.935356][ T4582]  kobject_init_and_add+0x128/0x190
[  294.940586][ T4582]  ? lockdep_softirqs_off+0x430/0x430
[  294.945992][ T4582]  ? kobject_add+0x230/0x230
[  294.950619][ T4582]  ? __init_swait_queue_head+0xa5/0x150
[  294.956200][ T4582]  gfs2_sys_fs_add+0x24f/0x4b0
[  294.960993][ T4582]  ? gfs2_recover_set+0x240/0x240
[  294.966053][ T4582]  ? snprintf+0xe5/0x140
[  294.970330][ T4582]  ? __free_pages+0x95/0x1a0
[  294.974961][ T4582]  ? vscnprintf+0x80/0x80
[  294.979335][ T4582]  gfs2_fill_super+0x120f/0x1f00
[  294.984308][ T4582]  ? gfs2_reconfigure+0xd30/0xd30
[  294.989389][ T4582]  ? sb_set_blocksize+0xa5/0xe0
[  294.994257][ T4582]  get_tree_bdev+0x3f1/0x610
[  294.998888][ T4582]  ? gfs2_reconfigure+0xd30/0xd30
[  295.003944][ T4582]  gfs2_get_tree+0x4d/0x1e0
[  295.008468][ T4582]  vfs_get_tree+0x88/0x270
[  295.012918][ T4582]  do_new_mount+0x24a/0xa40
[  295.017457][ T4582]  __se_sys_mount+0x2e3/0x3d0
[  295.022184][ T4582]  ? __x64_sys_mount+0xc0/0xc0
[  295.027021][ T4582]  ? lockdep_hardirqs_on+0x94/0x140
[  295.032283][ T4582]  ? __x64_sys_mount+0x1c/0xc0
[  295.037077][ T4582]  do_syscall_64+0x4c/0xa0
[  295.041518][ T4582]  ? clear_bhb_loop+0x30/0x80
[  295.046228][ T4582]  ? clear_bhb_loop+0x30/0x80
[  295.050933][ T4582]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  295.056841][ T4582] RIP: 0033:0x7f75eddc1f4a
[  295.061272][ T4582] 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
[  295.080930][ T4582] RSP: 002b:00007ffdd5715258 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.089373][ T4582] RAX: ffffffffffffffda RBX: 00007ffdd57152e0 RCX: 00007f75eddc1f4a
[  295.097388][ T4582] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffdd57152a0
[  295.105379][ T4582] RBP: 00002000000002c0 R08: 00007ffdd57152e0 R09: 0000000000008c9b
[  295.113378][ T4582] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  295.121370][ T4582] R13: 00007ffdd57152a0 R14: 0000000000012760 R15: 0000200000000400
[  295.129393][ T4582]  </TASK>
[  295.137711][ T4582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.150987][ T4582] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.178552][   T27] INFO: task syz-executor:4315 blocked for more than 143 seconds.
[  295.186500][   T27]       Not tainted syzkaller #0
[  295.191793][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  295.201358][   T27] task:syz-executor    state:D stack:21712 pid: 4315 ppid:     1 flags:0x00004004
[  295.210833][   T27] Call Trace:
[  295.214129][   T27]  <TASK>
[  295.217083][   T27]  __schedule+0x11ef/0x43c0
[  295.222046][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  295.235720][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  295.241980][   T27]  ? _raw_spin_unlock+0x40/0x40
[  295.246892][   T27]  ? rcu_is_watching+0x11/0xa0
[  295.258411][   T27]  ? release_firmware_map_entry+0x190/0x190
[  295.264373][   T27]  schedule+0x11b/0x1e0
[  295.279106][   T27]  schedule_timeout+0x184/0x2d0
[  295.284037][   T27]  ? console_conditional_schedule+0x40/0x40
[  295.308430][   T27]  ? update_process_times+0x200/0x200
[  295.313877][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  295.328430][   T27]  gfs2_gl_hash_clear+0x1ab/0x2f0
[  295.333521][   T27]  ? thaw_glock+0x150/0x150
[  295.338060][   T27]  ? gfs2_jindex_free+0x3a3/0x410
[  295.358392][   T27]  ? init_wait_entry+0xd0/0xd0
[  295.363518][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  295.368176][   T27]  gfs2_put_super+0x769/0x7d0
[  295.385010][   T27]  ? gfs2_evict_inode+0x1240/0x1240
[  295.398573][   T27]  generic_shutdown_super+0x130/0x300
[  295.404003][   T27]  kill_block_super+0x7c/0xe0
[  295.417720][   T27]  deactivate_locked_super+0x93/0xf0
[  295.423412][   T27]  cleanup_mnt+0x42d/0x4e0
[  295.427883][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  295.433571][   T27]  task_work_run+0x125/0x1a0
[  295.438250][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  295.443978][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  295.449806][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  295.455293][   T27]  do_syscall_64+0x58/0xa0
[  295.460056][   T27]  ? clear_bhb_loop+0x30/0x80
[  295.465014][   T27]  ? clear_bhb_loop+0x30/0x80
[  295.470034][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  295.475945][   T27] RIP: 0033:0x7f0e99dddf17
[  295.480671][   T27] RSP: 002b:00007ffc466733c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  295.489350][   T27] RAX: 0000000000000000 RBX: 00007f0e99e4671f RCX: 00007f0e99dddf17
[  295.497355][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc46673480
[  295.506319][   T27] RBP: 00007ffc46673480 R08: 00007ffc46674480 R09: 00000000ffffffff
[  295.514634][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc46674510
[  295.522879][   T27] R13: 00007f0e99e4671f R14: 0000000000023755 R15: 00007ffc46674550
[  295.531129][   T27]  </TASK>
[  295.534289][   T27] 
[  295.534289][   T27] Showing all locks held in the system:
[  295.542529][   T27] 1 lock held by khungtaskd/27:
[  295.547449][   T27]  #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  295.557279][   T27] 2 locks held by getty/3951:
[  295.563889][   T27]  #0: ffff88802bf6f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  295.574474][   T27]  #1: ffffc90002d032e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  295.594383][   T27] 1 lock held by syz-executor/4315:
[  295.601265][   T27]  #0: ffff88807ce080e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  295.613737][   T27] 2 locks held by syz.1.217/4583:
[  295.620696][   T27] 
[  295.623053][   T27] =============================================
[  295.623053][   T27] 
[  295.633370][   T27] NMI backtrace for cpu 1
[  295.637727][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  295.644952][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  295.655038][   T27] Call Trace:
[  295.658344][   T27]  <TASK>
[  295.661298][   T27]  dump_stack_lvl+0x188/0x250
[  295.666005][   T27]  ? show_regs_print_info+0x20/0x20
[  295.671242][   T27]  ? load_image+0x400/0x400
[  295.675784][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  295.681193][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  295.686349][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  295.691314][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  295.697490][   T27]  ? _printk+0xda/0x130
[  295.701673][   T27]  ? load_image+0x400/0x400
[  295.706207][   T27]  ? load_image+0x400/0x400
[  295.710739][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  295.716861][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  295.722894][   T27]  watchdog+0xe0f/0xe50
[  295.727107][   T27]  kthread+0x436/0x520
[  295.731229][   T27]  ? hungtask_pm_notify+0x40/0x40
[  295.736295][   T27]  ? kthread_blkcg+0xd0/0xd0
[  295.740910][   T27]  ret_from_fork+0x1f/0x30
[  295.745361][   T27]  </TASK>
[  295.748795][   T27] Sending NMI from CPU 1 to CPUs 0:
[  295.754027][    C0] NMI backtrace for cpu 0
[  295.754037][    C0] CPU: 0 PID: 4583 Comm: syz.1.217 Not tainted syzkaller #0
[  295.754052][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  295.754061][    C0] RIP: 0010:lock_acquire+0xfc/0x400
[  295.754082][    C0] Code: c0 44 0c 8a 8d 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 1c 02 00 00 83 3d 35 09 2d 0c 00 0f 84 0a 01 00 00 65 8b 05 24 76 a5 7e <85> c0 0f 85 43 01 00 00 65 4c 8b 35 94 6c a5 7e 49 81 c6 ec 0a 00
[  295.754095][    C0] RSP: 0018:ffffc90003896dc0 EFLAGS: 00000202
[  295.754114][    C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 08ddb932d3d82000
[  295.754125][    C0] RDX: 0000000000000000 RSI: ffffffff8a79f760 RDI: ffffffff8a79f720
[  295.754136][    C0] RBP: ffffc90003896ee0 R08: ffffffff8d89d8af R09: 1ffffffff1b13b15
[  295.754147][    C0] R10: dffffc0000000000 R11: fffffbfff1b13b16 R12: ffffffff8c31eaa0
[  295.754177][    C0] R13: 1ffff92000712dc4 R14: 0000000000000000 R15: dffffc0000000000
[  295.754189][    C0] FS:  0000555584506500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  295.754204][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  295.754216][    C0] CR2: 00007f75e6024000 CR3: 000000001ed15000 CR4: 00000000003506f0
[  295.754231][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  295.754242][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  295.754252][    C0] Call Trace:
[  295.754257][    C0]  <TASK>
[  295.754268][    C0]  ? read_lock_is_recursive+0x10/0x10
[  295.754290][    C0]  ? unwind_next_frame+0x1296/0x1d90
[  295.754309][    C0]  ? deref_stack_reg+0xd0/0x120
[  295.754337][    C0]  ? preempt_count_add+0x8d/0x190
[  295.754357][    C0]  rcu_lock_acquire+0x2a/0x30
[  295.754374][    C0]  ? rcu_lock_acquire+0x5/0x30
[  295.754389][    C0]  is_bpf_text_address+0x1d/0x270
[  295.754406][    C0]  __kernel_text_address+0x9a/0x100
[  295.754427][    C0]  unwind_get_return_address+0x49/0x80
[  295.754446][    C0]  ? stack_trace_save+0xf0/0xf0
[  295.754462][    C0]  arch_stack_walk+0xf2/0x140
[  295.754487][    C0]  stack_trace_save+0xa6/0xf0
[  295.754502][    C0]  ? stack_trace_snprint+0xf0/0xf0
[  295.754517][    C0]  ? lockdep_hardirqs_on_prepare+0x409/0x770
[  295.754542][    C0]  save_stack+0x121/0x230
[  295.754563][    C0]  ? __reset_page_owner+0x180/0x180
[  295.754581][    C0]  ? get_page_from_freelist+0x1bbd/0x1ca0
[  295.754601][    C0]  ? __alloc_pages+0x1ee/0x480
[  295.754618][    C0]  ? alloc_pages_vma+0x393/0x7c0
[  295.754635][    C0]  ? shmem_alloc_and_acct_page+0x47f/0xbe0
[  295.754661][    C0]  ? shmem_getpage_gfp+0x14f4/0x2d40
[  295.754679][    C0]  ? shmem_write_begin+0xcd/0x1a0
[  295.754696][    C0]  ? generic_perform_write+0x2b6/0x550
[  295.754712][    C0]  ? __generic_file_write_iter+0x25f/0x4e0
[  295.754727][    C0]  ? generic_file_write_iter+0xa6/0x1b0
[  295.754742][    C0]  ? vfs_write+0x745/0xd60
[  295.754757][    C0]  ? ksys_write+0x152/0x260
[  295.754772][    C0]  ? do_syscall_64+0x4c/0xa0
[  295.754787][    C0]  ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  295.754808][    C0]  ? lock_chain_count+0x20/0x20
[  295.754826][    C0]  ? preempt_count_add+0x8d/0x190
[  295.754844][    C0]  __set_page_owner+0x41/0x2d0
[  295.754862][    C0]  ? post_alloc_hook+0x106/0x220
[  295.754881][    C0]  get_page_from_freelist+0x1bbd/0x1ca0
[  295.754908][    C0]  ? __alloc_pages+0x11b/0x480
[  295.754933][    C0]  ? __alloc_pages+0x480/0x480
[  295.754952][    C0]  ? prepare_alloc_pages+0x368/0x5f0
[  295.754974][    C0]  __alloc_pages+0x1ee/0x480
[  295.754992][    C0]  ? zone_statistics+0x170/0x170
[  295.755013][    C0]  ? __lock_acquire+0x13bc/0x7d10
[  295.755036][    C0]  alloc_pages_vma+0x393/0x7c0
[  295.755055][    C0]  ? mpol_shared_policy_lookup+0x147/0x1e0
[  295.755075][    C0]  shmem_alloc_and_acct_page+0x47f/0xbe0
[  295.755099][    C0]  ? shmem_swapin_page+0x2300/0x2300
[  295.755127][    C0]  ? __lock_acquire+0x7d10/0x7d10
[  295.755145][    C0]  ? xas_descend+0x210/0x3b0
[  295.755163][    C0]  ? xas_load+0x127/0x140
[  295.755179][    C0]  ? pagecache_get_page+0xc27/0xf10
[  295.755198][    C0]  ? page_cache_prev_miss+0x380/0x380
[  295.755216][    C0]  ? _raw_spin_lock_irq+0xb7/0xf0
[  295.755235][    C0]  ? _raw_spin_lock_irqsave+0x100/0x100
[  295.755255][    C0]  ? _raw_spin_unlock_irq+0x1f/0x40
[  295.755274][    C0]  ? lockdep_hardirqs_on+0x94/0x140
[  295.755293][    C0]  shmem_getpage_gfp+0x14f4/0x2d40
[  295.755326][    C0]  shmem_write_begin+0xcd/0x1a0
[  295.755357][    C0]  generic_perform_write+0x2b6/0x550
[  295.755391][    C0]  ? grab_cache_page_write_begin+0xa0/0xa0
[  295.755407][    C0]  ? file_remove_privs+0x5d0/0x5d0
[  295.755426][    C0]  ? rwsem_write_trylock+0x135/0x1c0
[  295.755443][    C0]  ? clear_nonspinnable+0x60/0x60
[  295.755460][    C0]  __generic_file_write_iter+0x25f/0x4e0
[  295.755478][    C0]  generic_file_write_iter+0xa6/0x1b0
[  295.755494][    C0]  vfs_write+0x745/0xd60
[  295.755522][    C0]  ? file_end_write+0x250/0x250
[  295.755538][    C0]  ? __context_tracking_exit+0x4c/0x80
[  295.755558][    C0]  ? __fdget_pos+0x1e2/0x370
[  295.755572][    C0]  ksys_write+0x152/0x260
[  295.755586][    C0]  ? __ia32_sys_read+0x80/0x80
[  295.755601][    C0]  ? lockdep_hardirqs_on+0x94/0x140
[  295.755617][    C0]  do_syscall_64+0x4c/0xa0
[  295.755629][    C0]  ? clear_bhb_loop+0x30/0x80
[  295.755643][    C0]  ? clear_bhb_loop+0x30/0x80
[  295.755662][    C0]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  295.755676][    C0] RIP: 0033:0x7f75edd8158e
[  295.755688][    C0] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[  295.755701][    C0] RSP: 002b:00007ffdd57151a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  295.755714][    C0] RAX: ffffffffffffffda RBX: 0000555584506500 RCX: 00007f75edd8158e
[  295.755725][    C0] RDX: 0000000001000000 RSI: 00007f75e5025000 RDI: 0000000000000003
[  295.755734][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  295.755743][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  295.755752][    C0] R13: 00007ffdd57152e0 R14: 00007ffdd57152a0 R15: 00007f75e5025000
[  295.755768][    C0]  </TASK>
[  295.757238][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  296.006326][ T4583] loop1: detected capacity change from 0 to 32768
[  296.007568][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  296.361255][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  296.371404][   T27] Call Trace:
[  296.374678][   T27]  <TASK>
[  296.377614][   T27]  dump_stack_lvl+0x188/0x250
[  296.382297][   T27]  ? show_regs_print_info+0x20/0x20
[  296.387531][   T27]  ? load_image+0x400/0x400
[  296.392034][   T27]  panic+0x2e5/0x810
[  296.395925][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  296.401563][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  296.406080][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  296.411653][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  296.417843][   T27]  watchdog+0xe4e/0xe50
[  296.422012][   T27]  kthread+0x436/0x520
[  296.426190][   T27]  ? hungtask_pm_notify+0x40/0x40
[  296.431208][   T27]  ? kthread_blkcg+0xd0/0xd0
[  296.435811][   T27]  ret_from_fork+0x1f/0x30
[  296.440238][   T27]  </TASK>
[  296.443571][   T27] Kernel Offset: disabled
[  296.447921][   T27] Rebooting in 86400 seconds..