e8 ff ff ff f7 d8 64 89 01 48
[  349.197142][ T4545] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.205889][ T4545] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  349.213937][ T4545] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  349.221895][ T4545] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  349.229854][ T4545] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  349.237830][ T4545] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  349.245800][ T4545]  </TASK>
[  349.254957][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  349.268436][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  349.589774][ T4546] loop1: detected capacity change from 0 to 32768
[  349.642563][ T4546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.649970][ T4546] CPU: 0 PID: 4546 Comm: syz.1.186 Not tainted syzkaller #0
[  349.657260][ T4546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  349.667325][ T4546] Call Trace:
[  349.670613][ T4546]  <TASK>
[  349.673552][ T4546]  dump_stack_lvl+0x188/0x250
[  349.678265][ T4546]  ? show_regs_print_info+0x20/0x20
[  349.683575][ T4546]  ? load_image+0x400/0x400
[  349.688111][ T4546]  sysfs_create_dir_ns+0x26a/0x290
[  349.693237][ T4546]  ? sysfs_warn_dup+0xa0/0xa0
[  349.697924][ T4546]  ? do_raw_spin_unlock+0x11d/0x230
[  349.703131][ T4546]  kobject_add_internal+0x6e0/0xd90
[  349.708350][ T4546]  kobject_init_and_add+0x128/0x190
[  349.713556][ T4546]  ? lockdep_softirqs_off+0x430/0x430
[  349.718940][ T4546]  ? kobject_add+0x230/0x230
[  349.723545][ T4546]  ? __init_swait_queue_head+0xa5/0x150
[  349.729098][ T4546]  gfs2_sys_fs_add+0x24f/0x4b0
[  349.733867][ T4546]  ? gfs2_recover_set+0x240/0x240
[  349.738873][ T4546]  ? snprintf+0xe5/0x140
[  349.743106][ T4546]  ? __free_pages+0x95/0x1a0
[  349.747678][ T4546]  ? vscnprintf+0x80/0x80
[  349.751994][ T4546]  gfs2_fill_super+0x120f/0x1f00
[  349.756919][ T4546]  ? gfs2_reconfigure+0xd30/0xd30
[  349.761939][ T4546]  ? sb_set_blocksize+0xa5/0xe0
[  349.766768][ T4546]  get_tree_bdev+0x3f1/0x610
[  349.771339][ T4546]  ? gfs2_reconfigure+0xd30/0xd30
[  349.776339][ T4546]  gfs2_get_tree+0x4d/0x1e0
[  349.780828][ T4546]  vfs_get_tree+0x88/0x270
[  349.785226][ T4546]  do_new_mount+0x24a/0xa40
[  349.789717][ T4546]  __se_sys_mount+0x2e3/0x3d0
[  349.794381][ T4546]  ? __x64_sys_mount+0xc0/0xc0
[  349.799125][ T4546]  ? lockdep_hardirqs_on+0x94/0x140
[  349.804313][ T4546]  ? __x64_sys_mount+0x1c/0xc0
[  349.809080][ T4546]  do_syscall_64+0x4c/0xa0
[  349.813478][ T4546]  ? clear_bhb_loop+0x30/0x80
[  349.818132][ T4546]  ? clear_bhb_loop+0x30/0x80
[  349.822786][ T4546]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  349.828657][ T4546] RIP: 0033:0x7fbd835ddf4a
[  349.833052][ 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
[  349.852646][ T4546] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.861065][ T4546] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  349.869026][ T4546] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  349.876988][ T4546] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  349.885006][ T4546] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  349.892967][ T4546] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  349.900933][ T4546]  </TASK>
[  349.905095][ T4546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  349.918278][ T4546] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.221678][ T4547] loop1: detected capacity change from 0 to 32768
[  350.293394][ T4547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  350.301367][ T4547] CPU: 1 PID: 4547 Comm: syz.1.187 Not tainted syzkaller #0
[  350.308678][ T4547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  350.318752][ T4547] Call Trace:
[  350.322039][ T4547]  <TASK>
[  350.324971][ T4547]  dump_stack_lvl+0x188/0x250
[  350.329669][ T4547]  ? show_regs_print_info+0x20/0x20
[  350.334880][ T4547]  ? load_image+0x400/0x400
[  350.339399][ T4547]  sysfs_create_dir_ns+0x26a/0x290
[  350.344520][ T4547]  ? sysfs_warn_dup+0xa0/0xa0
[  350.349207][ T4547]  ? do_raw_spin_unlock+0x11d/0x230
[  350.354416][ T4547]  kobject_add_internal+0x6e0/0xd90
[  350.359623][ T4547]  kobject_init_and_add+0x128/0x190
[  350.364825][ T4547]  ? lockdep_softirqs_off+0x430/0x430
[  350.370204][ T4547]  ? kobject_add+0x230/0x230
[  350.374784][ T4547]  ? __init_swait_queue_head+0xa5/0x150
[  350.380315][ T4547]  gfs2_sys_fs_add+0x24f/0x4b0
[  350.385065][ T4547]  ? gfs2_recover_set+0x240/0x240
[  350.390108][ T4547]  ? snprintf+0xe5/0x140
[  350.394339][ T4547]  ? __free_pages+0x95/0x1a0
[  350.398917][ T4547]  ? vscnprintf+0x80/0x80
[  350.403249][ T4547]  gfs2_fill_super+0x120f/0x1f00
[  350.408199][ T4547]  ? gfs2_reconfigure+0xd30/0xd30
[  350.413241][ T4547]  ? sb_set_blocksize+0xa5/0xe0
[  350.418092][ T4547]  get_tree_bdev+0x3f1/0x610
[  350.422756][ T4547]  ? gfs2_reconfigure+0xd30/0xd30
[  350.427778][ T4547]  gfs2_get_tree+0x4d/0x1e0
[  350.432265][ T4547]  vfs_get_tree+0x88/0x270
[  350.436665][ T4547]  do_new_mount+0x24a/0xa40
[  350.441186][ T4547]  __se_sys_mount+0x2e3/0x3d0
[  350.445844][ T4547]  ? __x64_sys_mount+0xc0/0xc0
[  350.450586][ T4547]  ? lockdep_hardirqs_on+0x94/0x140
[  350.455786][ T4547]  ? __x64_sys_mount+0x1c/0xc0
[  350.460533][ T4547]  do_syscall_64+0x4c/0xa0
[  350.464938][ T4547]  ? clear_bhb_loop+0x30/0x80
[  350.469613][ T4547]  ? clear_bhb_loop+0x30/0x80
[  350.474270][ T4547]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  350.480143][ T4547] RIP: 0033:0x7fbd835ddf4a
[  350.484544][ 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
[  350.504133][ T4547] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  350.512537][ T4547] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  350.520574][ T4547] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  350.528526][ T4547] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  350.536510][ T4547] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  350.544466][ T4547] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  350.552437][ T4547]  </TASK>
[  350.564751][ T4547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.578274][ T4547] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 15:30:22 executed programs: 173
[  350.884328][ T4548] loop1: detected capacity change from 0 to 32768
[  350.930811][ T4548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  350.938495][ T4548] CPU: 1 PID: 4548 Comm: syz.1.188 Not tainted syzkaller #0
[  350.945794][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  350.955858][ T4548] Call Trace:
[  350.959148][ T4548]  <TASK>
[  350.962082][ T4548]  dump_stack_lvl+0x188/0x250
[  350.966778][ T4548]  ? show_regs_print_info+0x20/0x20
[  350.971998][ T4548]  ? load_image+0x400/0x400
[  350.976535][ T4548]  sysfs_create_dir_ns+0x26a/0x290
[  350.981673][ T4548]  ? sysfs_warn_dup+0xa0/0xa0
[  350.986362][ T4548]  ? do_raw_spin_unlock+0x11d/0x230
[  350.991577][ T4548]  kobject_add_internal+0x6e0/0xd90
[  350.996815][ T4548]  kobject_init_and_add+0x128/0x190
[  351.002024][ T4548]  ? lockdep_softirqs_off+0x430/0x430
[  351.007419][ T4548]  ? kobject_add+0x230/0x230
[  351.012022][ T4548]  ? __init_swait_queue_head+0xa5/0x150
[  351.017584][ T4548]  gfs2_sys_fs_add+0x24f/0x4b0
[  351.022357][ T4548]  ? gfs2_recover_set+0x240/0x240
[  351.027376][ T4548]  ? snprintf+0xe5/0x140
[  351.031613][ T4548]  ? __free_pages+0x95/0x1a0
[  351.036191][ T4548]  ? vscnprintf+0x80/0x80
[  351.040511][ T4548]  gfs2_fill_super+0x120f/0x1f00
[  351.045672][ T4548]  ? gfs2_reconfigure+0xd30/0xd30
[  351.050711][ T4548]  ? sb_set_blocksize+0xa5/0xe0
[  351.055562][ T4548]  get_tree_bdev+0x3f1/0x610
[  351.060141][ T4548]  ? gfs2_reconfigure+0xd30/0xd30
[  351.065151][ T4548]  gfs2_get_tree+0x4d/0x1e0
[  351.069649][ T4548]  vfs_get_tree+0x88/0x270
[  351.074073][ T4548]  do_new_mount+0x24a/0xa40
[  351.078597][ T4548]  __se_sys_mount+0x2e3/0x3d0
[  351.083319][ T4548]  ? __x64_sys_mount+0xc0/0xc0
[  351.088093][ T4548]  ? lockdep_hardirqs_on+0x94/0x140
[  351.093283][ T4548]  ? __x64_sys_mount+0x1c/0xc0
[  351.098032][ T4548]  do_syscall_64+0x4c/0xa0
[  351.102433][ T4548]  ? clear_bhb_loop+0x30/0x80
[  351.107106][ T4548]  ? clear_bhb_loop+0x30/0x80
[  351.111779][ T4548]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  351.117682][ T4548] RIP: 0033:0x7fbd835ddf4a
[  351.122102][ 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
[  351.141720][ T4548] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  351.150134][ T4548] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  351.158098][ T4548] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  351.166061][ T4548] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  351.174028][ T4548] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  351.182011][ T4548] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  351.189982][ T4548]  </TASK>
[  351.194105][ T4548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  351.207322][ T4548] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  351.544316][ T4549] loop1: detected capacity change from 0 to 32768
[  351.601846][ T4549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  351.609528][ T4549] CPU: 1 PID: 4549 Comm: syz.1.189 Not tainted syzkaller #0
[  351.616837][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  351.626922][ T4549] Call Trace:
[  351.630217][ T4549]  <TASK>
[  351.633154][ T4549]  dump_stack_lvl+0x188/0x250
[  351.637859][ T4549]  ? show_regs_print_info+0x20/0x20
[  351.643071][ T4549]  ? load_image+0x400/0x400
[  351.647699][ T4549]  sysfs_create_dir_ns+0x26a/0x290
[  351.652830][ T4549]  ? sysfs_warn_dup+0xa0/0xa0
[  351.657530][ T4549]  ? do_raw_spin_unlock+0x11d/0x230
[  351.662743][ T4549]  kobject_add_internal+0x6e0/0xd90
[  351.667961][ T4549]  kobject_init_and_add+0x128/0x190
[  351.673171][ T4549]  ? lockdep_softirqs_off+0x430/0x430
[  351.678559][ T4549]  ? kobject_add+0x230/0x230
[  351.683165][ T4549]  ? __init_swait_queue_head+0xa5/0x150
[  351.688720][ T4549]  gfs2_sys_fs_add+0x24f/0x4b0
[  351.693473][ T4549]  ? gfs2_recover_set+0x240/0x240
[  351.698478][ T4549]  ? snprintf+0xe5/0x140
[  351.702714][ T4549]  ? __free_pages+0x95/0x1a0
[  351.707300][ T4549]  ? vscnprintf+0x80/0x80
[  351.711617][ T4549]  gfs2_fill_super+0x120f/0x1f00
[  351.716544][ T4549]  ? gfs2_reconfigure+0xd30/0xd30
[  351.721559][ T4549]  ? sb_set_blocksize+0xa5/0xe0
[  351.726389][ T4549]  get_tree_bdev+0x3f1/0x610
[  351.730963][ T4549]  ? gfs2_reconfigure+0xd30/0xd30
[  351.735969][ T4549]  gfs2_get_tree+0x4d/0x1e0
[  351.740486][ T4549]  vfs_get_tree+0x88/0x270
[  351.744887][ T4549]  do_new_mount+0x24a/0xa40
[  351.749381][ T4549]  __se_sys_mount+0x2e3/0x3d0
[  351.754041][ T4549]  ? __x64_sys_mount+0xc0/0xc0
[  351.758792][ T4549]  ? lockdep_hardirqs_on+0x94/0x140
[  351.763989][ T4549]  ? __x64_sys_mount+0x1c/0xc0
[  351.768759][ T4549]  do_syscall_64+0x4c/0xa0
[  351.773155][ T4549]  ? clear_bhb_loop+0x30/0x80
[  351.777821][ T4549]  ? clear_bhb_loop+0x30/0x80
[  351.782481][ T4549]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  351.788367][ T4549] RIP: 0033:0x7fbd835ddf4a
[  351.792772][ 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
[  351.812377][ T4549] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  351.820792][ T4549] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  351.828833][ T4549] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  351.836806][ T4549] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  351.844770][ T4549] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  351.852853][ T4549] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  351.860817][ T4549]  </TASK>
[  351.869080][ T4549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  351.882306][ T4549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  352.178634][ T4550] loop1: detected capacity change from 0 to 32768
[  352.231037][ T4550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  352.238518][ T4550] CPU: 1 PID: 4550 Comm: syz.1.190 Not tainted syzkaller #0
[  352.245818][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  352.255884][ T4550] Call Trace:
[  352.259181][ T4550]  <TASK>
[  352.262123][ T4550]  dump_stack_lvl+0x188/0x250
[  352.266821][ T4550]  ? show_regs_print_info+0x20/0x20
[  352.272031][ T4550]  ? load_image+0x400/0x400
[  352.276560][ T4550]  sysfs_create_dir_ns+0x26a/0x290
[  352.281683][ T4550]  ? sysfs_warn_dup+0xa0/0xa0
[  352.286379][ T4550]  ? do_raw_spin_unlock+0x11d/0x230
[  352.291592][ T4550]  kobject_add_internal+0x6e0/0xd90
[  352.296813][ T4550]  kobject_init_and_add+0x128/0x190
[  352.302024][ T4550]  ? lockdep_softirqs_off+0x430/0x430
[  352.307412][ T4550]  ? kobject_add+0x230/0x230
[  352.312016][ T4550]  ? __init_swait_queue_head+0xa5/0x150
[  352.317581][ T4550]  gfs2_sys_fs_add+0x24f/0x4b0
[  352.322359][ T4550]  ? gfs2_recover_set+0x240/0x240
[  352.327390][ T4550]  ? snprintf+0xe5/0x140
[  352.331623][ T4550]  ? __free_pages+0x95/0x1a0
[  352.336198][ T4550]  ? vscnprintf+0x80/0x80
[  352.340517][ T4550]  gfs2_fill_super+0x120f/0x1f00
[  352.345441][ T4550]  ? gfs2_reconfigure+0xd30/0xd30
[  352.350505][ T4550]  ? sb_set_blocksize+0xa5/0xe0
[  352.355346][ T4550]  get_tree_bdev+0x3f1/0x610
[  352.359923][ T4550]  ? gfs2_reconfigure+0xd30/0xd30
[  352.364973][ T4550]  gfs2_get_tree+0x4d/0x1e0
[  352.369472][ T4550]  vfs_get_tree+0x88/0x270
[  352.373868][ T4550]  do_new_mount+0x24a/0xa40
[  352.378355][ T4550]  __se_sys_mount+0x2e3/0x3d0
[  352.383021][ T4550]  ? __x64_sys_mount+0xc0/0xc0
[  352.387797][ T4550]  ? lockdep_hardirqs_on+0x94/0x140
[  352.392977][ T4550]  ? __x64_sys_mount+0x1c/0xc0
[  352.397731][ T4550]  do_syscall_64+0x4c/0xa0
[  352.402124][ T4550]  ? clear_bhb_loop+0x30/0x80
[  352.406782][ T4550]  ? clear_bhb_loop+0x30/0x80
[  352.411446][ T4550]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  352.417323][ T4550] RIP: 0033:0x7fbd835ddf4a
[  352.421723][ 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
[  352.441313][ T4550] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  352.449720][ T4550] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  352.457767][ T4550] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  352.465729][ T4550] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  352.474206][ T4550] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  352.482159][ T4550] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  352.490123][ T4550]  </TASK>
[  352.494558][ T4550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  352.507717][ T4550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  352.808852][ T4551] loop1: detected capacity change from 0 to 32768
[  352.863550][ T4551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  352.870993][ T4551] CPU: 1 PID: 4551 Comm: syz.1.191 Not tainted syzkaller #0
[  352.878288][ T4551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  352.888354][ T4551] Call Trace:
[  352.891636][ T4551]  <TASK>
[  352.894575][ T4551]  dump_stack_lvl+0x188/0x250
[  352.899269][ T4551]  ? show_regs_print_info+0x20/0x20
[  352.904479][ T4551]  ? load_image+0x400/0x400
[  352.909010][ T4551]  sysfs_create_dir_ns+0x26a/0x290
[  352.914135][ T4551]  ? sysfs_warn_dup+0xa0/0xa0
[  352.918819][ T4551]  ? do_raw_spin_unlock+0x11d/0x230
[  352.924324][ T4551]  kobject_add_internal+0x6e0/0xd90
[  352.929542][ T4551]  kobject_init_and_add+0x128/0x190
[  352.934845][ T4551]  ? lockdep_softirqs_off+0x430/0x430
[  352.940244][ T4551]  ? kobject_add+0x230/0x230
[  352.944848][ T4551]  ? __init_swait_queue_head+0xa5/0x150
[  352.950522][ T4551]  gfs2_sys_fs_add+0x24f/0x4b0
[  352.955320][ T4551]  ? gfs2_recover_set+0x240/0x240
[  352.960329][ T4551]  ? snprintf+0xe5/0x140
[  352.964575][ T4551]  ? __free_pages+0x95/0x1a0
[  352.969151][ T4551]  ? vscnprintf+0x80/0x80
[  352.973481][ T4551]  gfs2_fill_super+0x120f/0x1f00
[  352.978539][ T4551]  ? gfs2_reconfigure+0xd30/0xd30
[  352.983554][ T4551]  ? sb_set_blocksize+0xa5/0xe0
[  352.988469][ T4551]  get_tree_bdev+0x3f1/0x610
[  352.993042][ T4551]  ? gfs2_reconfigure+0xd30/0xd30
[  352.998065][ T4551]  gfs2_get_tree+0x4d/0x1e0
[  353.002550][ T4551]  vfs_get_tree+0x88/0x270
[  353.006951][ T4551]  do_new_mount+0x24a/0xa40
[  353.011435][ T4551]  __se_sys_mount+0x2e3/0x3d0
[  353.016094][ T4551]  ? __x64_sys_mount+0xc0/0xc0
[  353.020844][ T4551]  ? lockdep_hardirqs_on+0x94/0x140
[  353.026038][ T4551]  ? __x64_sys_mount+0x1c/0xc0
[  353.030794][ T4551]  do_syscall_64+0x4c/0xa0
[  353.035192][ T4551]  ? clear_bhb_loop+0x30/0x80
[  353.039847][ T4551]  ? clear_bhb_loop+0x30/0x80
[  353.044748][ T4551]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  353.050638][ T4551] RIP: 0033:0x7fbd835ddf4a
[  353.055241][ 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
[  353.074839][ T4551] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  353.083363][ T4551] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  353.091317][ T4551] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  353.099275][ T4551] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  353.107225][ T4551] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  353.115261][ T4551] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  353.123235][ T4551]  </TASK>
[  353.134747][ T4551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  353.148173][ T4551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  353.440822][ T4552] loop1: detected capacity change from 0 to 32768
[  353.500181][ T4552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  353.507651][ T4552] CPU: 0 PID: 4552 Comm: syz.1.192 Not tainted syzkaller #0
[  353.514952][ T4552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  353.525021][ T4552] Call Trace:
[  353.528304][ T4552]  <TASK>
[  353.531232][ T4552]  dump_stack_lvl+0x188/0x250
[  353.536014][ T4552]  ? show_regs_print_info+0x20/0x20
[  353.541221][ T4552]  ? load_image+0x400/0x400
[  353.545748][ T4552]  sysfs_create_dir_ns+0x26a/0x290
[  353.550872][ T4552]  ? sysfs_warn_dup+0xa0/0xa0
[  353.555578][ T4552]  ? do_raw_spin_unlock+0x11d/0x230
[  353.560792][ T4552]  kobject_add_internal+0x6e0/0xd90
[  353.566005][ T4552]  kobject_init_and_add+0x128/0x190
[  353.571297][ T4552]  ? lockdep_softirqs_off+0x430/0x430
[  353.576687][ T4552]  ? kobject_add+0x230/0x230
[  353.581278][ T4552]  ? __init_swait_queue_head+0xa5/0x150
[  353.586818][ T4552]  gfs2_sys_fs_add+0x24f/0x4b0
[  353.591567][ T4552]  ? gfs2_recover_set+0x240/0x240
[  353.596677][ T4552]  ? snprintf+0xe5/0x140
[  353.600901][ T4552]  ? __free_pages+0x95/0x1a0
[  353.605472][ T4552]  ? vscnprintf+0x80/0x80
[  353.609790][ T4552]  gfs2_fill_super+0x120f/0x1f00
[  353.614729][ T4552]  ? gfs2_reconfigure+0xd30/0xd30
[  353.619743][ T4552]  ? sb_set_blocksize+0xa5/0xe0
[  353.624571][ T4552]  get_tree_bdev+0x3f1/0x610
[  353.629246][ T4552]  ? gfs2_reconfigure+0xd30/0xd30
[  353.634266][ T4552]  gfs2_get_tree+0x4d/0x1e0
[  353.638764][ T4552]  vfs_get_tree+0x88/0x270
[  353.643168][ T4552]  do_new_mount+0x24a/0xa40
[  353.647660][ T4552]  __se_sys_mount+0x2e3/0x3d0
[  353.652334][ T4552]  ? __x64_sys_mount+0xc0/0xc0
[  353.657093][ T4552]  ? lockdep_hardirqs_on+0x94/0x140
[  353.662268][ T4552]  ? __x64_sys_mount+0x1c/0xc0
[  353.667190][ T4552]  do_syscall_64+0x4c/0xa0
[  353.671628][ T4552]  ? clear_bhb_loop+0x30/0x80
[  353.676287][ T4552]  ? clear_bhb_loop+0x30/0x80
[  353.680947][ T4552]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  353.686822][ T4552] RIP: 0033:0x7fbd835ddf4a
[  353.691218][ 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
[  353.710808][ T4552] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  353.719320][ T4552] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  353.727471][ T4552] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  353.735429][ T4552] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  353.743384][ T4552] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  353.751440][ T4552] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  353.759412][ T4552]  </TASK>
[  353.763856][ T4552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  353.777265][ T4552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  354.076358][ T4553] loop1: detected capacity change from 0 to 32768
[  354.132877][ T4553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  354.140286][ T4553] CPU: 1 PID: 4553 Comm: syz.1.193 Not tainted syzkaller #0
[  354.147634][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  354.157699][ T4553] Call Trace:
[  354.160983][ T4553]  <TASK>
[  354.163917][ T4553]  dump_stack_lvl+0x188/0x250
[  354.168613][ T4553]  ? show_regs_print_info+0x20/0x20
[  354.173821][ T4553]  ? load_image+0x400/0x400
[  354.178346][ T4553]  sysfs_create_dir_ns+0x26a/0x290
[  354.183469][ T4553]  ? sysfs_warn_dup+0xa0/0xa0
[  354.188146][ T4553]  ? do_raw_spin_unlock+0x11d/0x230
[  354.193349][ T4553]  kobject_add_internal+0x6e0/0xd90
[  354.198562][ T4553]  kobject_init_and_add+0x128/0x190
[  354.203772][ T4553]  ? lockdep_softirqs_off+0x430/0x430
[  354.209166][ T4553]  ? kobject_add+0x230/0x230
[  354.213768][ T4553]  ? __init_swait_queue_head+0xa5/0x150
[  354.219330][ T4553]  gfs2_sys_fs_add+0x24f/0x4b0
[  354.224194][ T4553]  ? gfs2_recover_set+0x240/0x240
[  354.229225][ T4553]  ? snprintf+0xe5/0x140
[  354.233470][ T4553]  ? __free_pages+0x95/0x1a0
[  354.238069][ T4553]  ? vscnprintf+0x80/0x80
[  354.242481][ T4553]  gfs2_fill_super+0x120f/0x1f00
[  354.247405][ T4553]  ? gfs2_reconfigure+0xd30/0xd30
[  354.252430][ T4553]  ? sb_set_blocksize+0xa5/0xe0
[  354.257293][ T4553]  get_tree_bdev+0x3f1/0x610
[  354.262227][ T4553]  ? gfs2_reconfigure+0xd30/0xd30
[  354.267256][ T4553]  gfs2_get_tree+0x4d/0x1e0
[  354.271758][ T4553]  vfs_get_tree+0x88/0x270
[  354.276166][ T4553]  do_new_mount+0x24a/0xa40
[  354.280661][ T4553]  __se_sys_mount+0x2e3/0x3d0
[  354.285349][ T4553]  ? __x64_sys_mount+0xc0/0xc0
[  354.290105][ T4553]  ? lockdep_hardirqs_on+0x94/0x140
[  354.295291][ T4553]  ? __x64_sys_mount+0x1c/0xc0
[  354.300057][ T4553]  do_syscall_64+0x4c/0xa0
[  354.304460][ T4553]  ? clear_bhb_loop+0x30/0x80
[  354.309152][ T4553]  ? clear_bhb_loop+0x30/0x80
[  354.313825][ T4553]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  354.319824][ T4553] RIP: 0033:0x7fbd835ddf4a
[  354.324224][ 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
[  354.343816][ T4553] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  354.352218][ T4553] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  354.360172][ T4553] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  354.368133][ T4553] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  354.376123][ T4553] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  354.384081][ T4553] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  354.392144][ T4553]  </TASK>
[  354.398905][ T4553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  354.412435][ T4553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  354.723733][ T4554] loop1: detected capacity change from 0 to 32768
[  354.774216][ T4554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  354.781619][ T4554] CPU: 1 PID: 4554 Comm: syz.1.194 Not tainted syzkaller #0
[  354.789039][ T4554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  354.799111][ T4554] Call Trace:
[  354.802516][ T4554]  <TASK>
[  354.805452][ T4554]  dump_stack_lvl+0x188/0x250
[  354.810145][ T4554]  ? show_regs_print_info+0x20/0x20
[  354.815351][ T4554]  ? load_image+0x400/0x400
[  354.819876][ T4554]  sysfs_create_dir_ns+0x26a/0x290
[  354.824999][ T4554]  ? sysfs_warn_dup+0xa0/0xa0
[  354.829678][ T4554]  ? do_raw_spin_unlock+0x11d/0x230
[  354.834888][ T4554]  kobject_add_internal+0x6e0/0xd90
[  354.840102][ T4554]  kobject_init_and_add+0x128/0x190
[  354.845302][ T4554]  ? lockdep_softirqs_off+0x430/0x430
[  354.850920][ T4554]  ? kobject_add+0x230/0x230
[  354.855489][ T4554]  ? __init_swait_queue_head+0xa5/0x150
[  354.861018][ T4554]  gfs2_sys_fs_add+0x24f/0x4b0
[  354.865764][ T4554]  ? gfs2_recover_set+0x240/0x240
[  354.870767][ T4554]  ? snprintf+0xe5/0x140
[  354.874984][ T4554]  ? __free_pages+0x95/0x1a0
[  354.879550][ T4554]  ? vscnprintf+0x80/0x80
[  354.883861][ T4554]  gfs2_fill_super+0x120f/0x1f00
[  354.888785][ T4554]  ? gfs2_reconfigure+0xd30/0xd30
[  354.893794][ T4554]  ? sb_set_blocksize+0xa5/0xe0
[  354.899164][ T4554]  get_tree_bdev+0x3f1/0x610
[  354.903787][ T4554]  ? gfs2_reconfigure+0xd30/0xd30
[  354.908797][ T4554]  gfs2_get_tree+0x4d/0x1e0
[  354.913287][ T4554]  vfs_get_tree+0x88/0x270
[  354.917681][ T4554]  do_new_mount+0x24a/0xa40
[  354.922421][ T4554]  __se_sys_mount+0x2e3/0x3d0
[  354.927074][ T4554]  ? __x64_sys_mount+0xc0/0xc0
[  354.931823][ T4554]  ? lockdep_hardirqs_on+0x94/0x140
[  354.937180][ T4554]  ? __x64_sys_mount+0x1c/0xc0
[  354.941937][ T4554]  do_syscall_64+0x4c/0xa0
[  354.946334][ T4554]  ? clear_bhb_loop+0x30/0x80
[  354.951006][ T4554]  ? clear_bhb_loop+0x30/0x80
[  354.955673][ T4554]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  354.961580][ T4554] RIP: 0033:0x7fbd835ddf4a
[  354.965976][ 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
[  354.985570][ T4554] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  354.993971][ T4554] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  355.001930][ T4554] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  355.009879][ T4554] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  355.017833][ T4554] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  355.025784][ T4554] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  355.033745][ T4554]  </TASK>
[  355.038072][ T4554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  355.051456][ T4554] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  355.379406][ T4555] loop1: detected capacity change from 0 to 32768
[  355.432592][ T4555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  355.440089][ T4555] CPU: 0 PID: 4555 Comm: syz.1.195 Not tainted syzkaller #0
[  355.447378][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  355.457549][ T4555] Call Trace:
[  355.460831][ T4555]  <TASK>
[  355.463765][ T4555]  dump_stack_lvl+0x188/0x250
[  355.468540][ T4555]  ? show_regs_print_info+0x20/0x20
[  355.473746][ T4555]  ? load_image+0x400/0x400
[  355.478269][ T4555]  sysfs_create_dir_ns+0x26a/0x290
[  355.483395][ T4555]  ? sysfs_warn_dup+0xa0/0xa0
[  355.488085][ T4555]  ? do_raw_spin_unlock+0x11d/0x230
[  355.493300][ T4555]  kobject_add_internal+0x6e0/0xd90
[  355.498590][ T4555]  kobject_init_and_add+0x128/0x190
[  355.503798][ T4555]  ? lockdep_softirqs_off+0x430/0x430
[  355.509189][ T4555]  ? kobject_add+0x230/0x230
[  355.513802][ T4555]  ? __init_swait_queue_head+0xa5/0x150
[  355.519363][ T4555]  gfs2_sys_fs_add+0x24f/0x4b0
[  355.524521][ T4555]  ? gfs2_recover_set+0x240/0x240
[  355.529591][ T4555]  ? snprintf+0xe5/0x140
[  355.533905][ T4555]  ? __free_pages+0x95/0x1a0
[  355.538483][ T4555]  ? vscnprintf+0x80/0x80
[  355.542843][ T4555]  gfs2_fill_super+0x120f/0x1f00
[  355.547789][ T4555]  ? gfs2_reconfigure+0xd30/0xd30
[  355.552809][ T4555]  ? sb_set_blocksize+0xa5/0xe0
[  355.557900][ T4555]  get_tree_bdev+0x3f1/0x610
[  355.562564][ T4555]  ? gfs2_reconfigure+0xd30/0xd30
[  355.567579][ T4555]  gfs2_get_tree+0x4d/0x1e0
[  355.572061][ T4555]  vfs_get_tree+0x88/0x270
[  355.576452][ T4555]  do_new_mount+0x24a/0xa40
[  355.580945][ T4555]  __se_sys_mount+0x2e3/0x3d0
[  355.585644][ T4555]  ? __x64_sys_mount+0xc0/0xc0
[  355.590389][ T4555]  ? lockdep_hardirqs_on+0x94/0x140
[  355.595566][ T4555]  ? __x64_sys_mount+0x1c/0xc0
[  355.600318][ T4555]  do_syscall_64+0x4c/0xa0
[  355.604715][ T4555]  ? clear_bhb_loop+0x30/0x80
[  355.609369][ T4555]  ? clear_bhb_loop+0x30/0x80
[  355.614025][ T4555]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  355.619893][ T4555] RIP: 0033:0x7fbd835ddf4a
[  355.624317][ 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
[  355.643913][ T4555] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  355.652328][ T4555] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  355.660295][ T4555] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  355.668251][ T4555] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  355.676207][ T4555] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  355.684158][ T4555] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  355.692117][ T4555]  </TASK>
[  355.696396][ T4555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  355.709602][ T4555] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 15:30:27 executed programs: 181
[  356.026566][ T4556] loop1: detected capacity change from 0 to 32768
[  356.084835][ T4556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  356.097156][ T4556] CPU: 1 PID: 4556 Comm: syz.1.196 Not tainted syzkaller #0
[  356.104475][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  356.114712][ T4556] Call Trace:
[  356.118004][ T4556]  <TASK>
[  356.120938][ T4556]  dump_stack_lvl+0x188/0x250
[  356.125625][ T4556]  ? show_regs_print_info+0x20/0x20
[  356.130826][ T4556]  ? load_image+0x400/0x400
[  356.135373][ T4556]  sysfs_create_dir_ns+0x26a/0x290
[  356.140493][ T4556]  ? sysfs_warn_dup+0xa0/0xa0
[  356.145182][ T4556]  ? do_raw_spin_unlock+0x11d/0x230
[  356.150397][ T4556]  kobject_add_internal+0x6e0/0xd90
[  356.155614][ T4556]  kobject_init_and_add+0x128/0x190
[  356.160830][ T4556]  ? lockdep_softirqs_off+0x430/0x430
[  356.166215][ T4556]  ? kobject_add+0x230/0x230
[  356.170817][ T4556]  ? __init_swait_queue_head+0xa5/0x150
[  356.176398][ T4556]  gfs2_sys_fs_add+0x24f/0x4b0
[  356.181292][ T4556]  ? gfs2_recover_set+0x240/0x240
[  356.186306][ T4556]  ? snprintf+0xe5/0x140
[  356.190539][ T4556]  ? __free_pages+0x95/0x1a0
[  356.195114][ T4556]  ? vscnprintf+0x80/0x80
[  356.199464][ T4556]  gfs2_fill_super+0x120f/0x1f00
[  356.204405][ T4556]  ? gfs2_reconfigure+0xd30/0xd30
[  356.209521][ T4556]  ? sb_set_blocksize+0xa5/0xe0
[  356.214445][ T4556]  get_tree_bdev+0x3f1/0x610
[  356.219017][ T4556]  ? gfs2_reconfigure+0xd30/0xd30
[  356.224025][ T4556]  gfs2_get_tree+0x4d/0x1e0
[  356.228525][ T4556]  vfs_get_tree+0x88/0x270
[  356.232928][ T4556]  do_new_mount+0x24a/0xa40
[  356.237440][ T4556]  __se_sys_mount+0x2e3/0x3d0
[  356.242194][ T4556]  ? __x64_sys_mount+0xc0/0xc0
[  356.246945][ T4556]  ? lockdep_hardirqs_on+0x94/0x140
[  356.252124][ T4556]  ? __x64_sys_mount+0x1c/0xc0
[  356.256884][ T4556]  do_syscall_64+0x4c/0xa0
[  356.261278][ T4556]  ? clear_bhb_loop+0x30/0x80
[  356.266058][ T4556]  ? clear_bhb_loop+0x30/0x80
[  356.270727][ T4556]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  356.276610][ T4556] RIP: 0033:0x7fbd835ddf4a
[  356.281029][ 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
[  356.300965][ T4556] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  356.309378][ T4556] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  356.317395][ T4556] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  356.325545][ T4556] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  356.333718][ T4556] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  356.341767][ T4556] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  356.349734][ T4556]  </TASK>
[  356.354146][ T4556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  356.367413][ T4556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  356.687485][ T4557] loop1: detected capacity change from 0 to 32768
[  356.784374][ T4557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  356.791939][ T4557] CPU: 1 PID: 4557 Comm: syz.1.197 Not tainted syzkaller #0
[  356.799231][ T4557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  356.809300][ T4557] Call Trace:
[  356.812716][ T4557]  <TASK>
[  356.815653][ T4557]  dump_stack_lvl+0x188/0x250
[  356.820346][ T4557]  ? show_regs_print_info+0x20/0x20
[  356.825554][ T4557]  ? load_image+0x400/0x400
[  356.830080][ T4557]  sysfs_create_dir_ns+0x26a/0x290
[  356.835190][ T4557]  ? sysfs_warn_dup+0xa0/0xa0
[  356.839850][ T4557]  ? do_raw_spin_unlock+0x11d/0x230
[  356.845045][ T4557]  kobject_add_internal+0x6e0/0xd90
[  356.850249][ T4557]  kobject_init_and_add+0x128/0x190
[  356.855449][ T4557]  ? lockdep_softirqs_off+0x430/0x430
[  356.860817][ T4557]  ? kobject_add+0x230/0x230
[  356.865411][ T4557]  ? __init_swait_queue_head+0xa5/0x150
[  356.871028][ T4557]  gfs2_sys_fs_add+0x24f/0x4b0
[  356.875775][ T4557]  ? gfs2_recover_set+0x240/0x240
[  356.880783][ T4557]  ? snprintf+0xe5/0x140
[  356.885021][ T4557]  ? __free_pages+0x95/0x1a0
[  356.889596][ T4557]  ? vscnprintf+0x80/0x80
[  356.893924][ T4557]  gfs2_fill_super+0x120f/0x1f00
[  356.898868][ T4557]  ? gfs2_reconfigure+0xd30/0xd30
[  356.903879][ T4557]  ? sb_set_blocksize+0xa5/0xe0
[  356.908709][ T4557]  get_tree_bdev+0x3f1/0x610
[  356.913280][ T4557]  ? gfs2_reconfigure+0xd30/0xd30
[  356.918285][ T4557]  gfs2_get_tree+0x4d/0x1e0
[  356.922772][ T4557]  vfs_get_tree+0x88/0x270
[  356.927171][ T4557]  do_new_mount+0x24a/0xa40
[  356.931750][ T4557]  __se_sys_mount+0x2e3/0x3d0
[  356.936408][ T4557]  ? __x64_sys_mount+0xc0/0xc0
[  356.941158][ T4557]  ? lockdep_hardirqs_on+0x94/0x140
[  356.946402][ T4557]  ? __x64_sys_mount+0x1c/0xc0
[  356.951233][ T4557]  do_syscall_64+0x4c/0xa0
[  356.955628][ T4557]  ? clear_bhb_loop+0x30/0x80
[  356.960289][ T4557]  ? clear_bhb_loop+0x30/0x80
[  356.964944][ T4557]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  356.970988][ T4557] RIP: 0033:0x7fbd835ddf4a
[  356.975394][ 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
[  356.994994][ T4557] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  357.003440][ T4557] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  357.011408][ T4557] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  357.019359][ T4557] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  357.027312][ T4557] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  357.035269][ T4557] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  357.043236][ T4557]  </TASK>
[  357.047346][ T4557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  357.060992][ T4557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  357.370163][ T4558] loop1: detected capacity change from 0 to 32768
[  357.387917][ T4558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  357.395502][ T4558] CPU: 0 PID: 4558 Comm: syz.1.198 Not tainted syzkaller #0
[  357.402797][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  357.412860][ T4558] Call Trace:
[  357.416146][ T4558]  <TASK>
[  357.419171][ T4558]  dump_stack_lvl+0x188/0x250
[  357.423870][ T4558]  ? show_regs_print_info+0x20/0x20
[  357.429086][ T4558]  ? load_image+0x400/0x400
[  357.433606][ T4558]  sysfs_create_dir_ns+0x26a/0x290
[  357.438728][ T4558]  ? sysfs_warn_dup+0xa0/0xa0
[  357.443413][ T4558]  ? do_raw_spin_unlock+0x11d/0x230
[  357.448616][ T4558]  kobject_add_internal+0x6e0/0xd90
[  357.453830][ T4558]  kobject_init_and_add+0x128/0x190
[  357.459048][ T4558]  ? lockdep_softirqs_off+0x430/0x430
[  357.464440][ T4558]  ? kobject_add+0x230/0x230
[  357.469047][ T4558]  ? __init_swait_queue_head+0xa5/0x150
[  357.474681][ T4558]  gfs2_sys_fs_add+0x24f/0x4b0
[  357.479430][ T4558]  ? gfs2_recover_set+0x240/0x240
[  357.484478][ T4558]  ? snprintf+0xe5/0x140
[  357.488703][ T4558]  ? __free_pages+0x95/0x1a0
[  357.493297][ T4558]  ? vscnprintf+0x80/0x80
[  357.497613][ T4558]  gfs2_fill_super+0x120f/0x1f00
[  357.502545][ T4558]  ? gfs2_reconfigure+0xd30/0xd30
[  357.507572][ T4558]  ? sb_set_blocksize+0xa5/0xe0
[  357.512406][ T4558]  get_tree_bdev+0x3f1/0x610
[  357.516990][ T4558]  ? gfs2_reconfigure+0xd30/0xd30
[  357.521991][ T4558]  gfs2_get_tree+0x4d/0x1e0
[  357.526478][ T4558]  vfs_get_tree+0x88/0x270
[  357.530874][ T4558]  do_new_mount+0x24a/0xa40
[  357.535474][ T4558]  __se_sys_mount+0x2e3/0x3d0
[  357.540134][ T4558]  ? __x64_sys_mount+0xc0/0xc0
[  357.544936][ T4558]  ? lockdep_hardirqs_on+0x94/0x140
[  357.550132][ T4558]  ? __x64_sys_mount+0x1c/0xc0
[  357.554876][ T4558]  do_syscall_64+0x4c/0xa0
[  357.559291][ T4558]  ? clear_bhb_loop+0x30/0x80
[  357.563951][ T4558]  ? clear_bhb_loop+0x30/0x80
[  357.568607][ T4558]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  357.574487][ T4558] RIP: 0033:0x7fbd835ddf4a
[  357.578883][ 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
[  357.598566][ T4558] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  357.606968][ T4558] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  357.614927][ T4558] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  357.622899][ T4558] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  357.630871][ T4558] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  357.638823][ T4558] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  357.646785][ T4558]  </TASK>
[  357.650842][ T4558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  357.664498][ T4558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  357.971328][ T4559] loop1: detected capacity change from 0 to 32768
[  358.033844][ T4559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  358.041358][ T4559] CPU: 0 PID: 4559 Comm: syz.1.199 Not tainted syzkaller #0
[  358.048654][ T4559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  358.058807][ T4559] Call Trace:
[  358.062092][ T4559]  <TASK>
[  358.065021][ T4559]  dump_stack_lvl+0x188/0x250
[  358.069709][ T4559]  ? show_regs_print_info+0x20/0x20
[  358.074919][ T4559]  ? load_image+0x400/0x400
[  358.079446][ T4559]  sysfs_create_dir_ns+0x26a/0x290
[  358.084573][ T4559]  ? sysfs_warn_dup+0xa0/0xa0
[  358.089254][ T4559]  ? do_raw_spin_unlock+0x11d/0x230
[  358.094562][ T4559]  kobject_add_internal+0x6e0/0xd90
[  358.099778][ T4559]  kobject_init_and_add+0x128/0x190
[  358.104994][ T4559]  ? lockdep_softirqs_off+0x430/0x430
[  358.110383][ T4559]  ? kobject_add+0x230/0x230
[  358.114978][ T4559]  ? __init_swait_queue_head+0xa5/0x150
[  358.120527][ T4559]  gfs2_sys_fs_add+0x24f/0x4b0
[  358.125350][ T4559]  ? gfs2_recover_set+0x240/0x240
[  358.130354][ T4559]  ? snprintf+0xe5/0x140
[  358.134577][ T4559]  ? __free_pages+0x95/0x1a0
[  358.139146][ T4559]  ? vscnprintf+0x80/0x80
[  358.143469][ T4559]  gfs2_fill_super+0x120f/0x1f00
[  358.148417][ T4559]  ? gfs2_reconfigure+0xd30/0xd30
[  358.153429][ T4559]  ? sb_set_blocksize+0xa5/0xe0
[  358.158347][ T4559]  get_tree_bdev+0x3f1/0x610
[  358.162921][ T4559]  ? gfs2_reconfigure+0xd30/0xd30
[  358.167941][ T4559]  gfs2_get_tree+0x4d/0x1e0
[  358.172431][ T4559]  vfs_get_tree+0x88/0x270
[  358.176843][ T4559]  do_new_mount+0x24a/0xa40
[  358.181342][ T4559]  __se_sys_mount+0x2e3/0x3d0
[  358.186120][ T4559]  ? __x64_sys_mount+0xc0/0xc0
[  358.190971][ T4559]  ? lockdep_hardirqs_on+0x94/0x140
[  358.196185][ T4559]  ? __x64_sys_mount+0x1c/0xc0
[  358.200936][ T4559]  do_syscall_64+0x4c/0xa0
[  358.205331][ T4559]  ? clear_bhb_loop+0x30/0x80
[  358.209990][ T4559]  ? clear_bhb_loop+0x30/0x80
[  358.214661][ T4559]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  358.220534][ T4559] RIP: 0033:0x7fbd835ddf4a
[  358.224928][ 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
[  358.244531][ T4559] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  358.252933][ T4559] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  358.260906][ T4559] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  358.269381][ T4559] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  358.277422][ T4559] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  358.285376][ T4559] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  358.293352][ T4559]  </TASK>
[  358.297619][ T4559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  358.310775][ T4559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  358.598951][ T4560] loop1: detected capacity change from 0 to 32768
[  358.656709][ T4560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  358.671992][ T4560] CPU: 0 PID: 4560 Comm: syz.1.200 Not tainted syzkaller #0
[  358.679318][ T4560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  358.689388][ T4560] Call Trace:
[  358.692679][ T4560]  <TASK>
[  358.695624][ T4560]  dump_stack_lvl+0x188/0x250
[  358.700442][ T4560]  ? show_regs_print_info+0x20/0x20
[  358.705663][ T4560]  ? load_image+0x400/0x400
[  358.710193][ T4560]  sysfs_create_dir_ns+0x26a/0x290
[  358.715319][ T4560]  ? sysfs_warn_dup+0xa0/0xa0
[  358.720004][ T4560]  ? do_raw_spin_unlock+0x11d/0x230
[  358.725224][ T4560]  kobject_add_internal+0x6e0/0xd90
[  358.730432][ T4560]  kobject_init_and_add+0x128/0x190
[  358.735639][ T4560]  ? lockdep_softirqs_off+0x430/0x430
[  358.741016][ T4560]  ? kobject_add+0x230/0x230
[  358.745597][ T4560]  ? __init_swait_queue_head+0xa5/0x150
[  358.751211][ T4560]  gfs2_sys_fs_add+0x24f/0x4b0
[  358.755963][ T4560]  ? gfs2_recover_set+0x240/0x240
[  358.760968][ T4560]  ? snprintf+0xe5/0x140
[  358.765190][ T4560]  ? __free_pages+0x95/0x1a0
[  358.769758][ T4560]  ? vscnprintf+0x80/0x80
[  358.774069][ T4560]  gfs2_fill_super+0x120f/0x1f00
[  358.779082][ T4560]  ? gfs2_reconfigure+0xd30/0xd30
[  358.784118][ T4560]  ? sb_set_blocksize+0xa5/0xe0
[  358.788960][ T4560]  get_tree_bdev+0x3f1/0x610
[  358.793707][ T4560]  ? gfs2_reconfigure+0xd30/0xd30
[  358.798724][ T4560]  gfs2_get_tree+0x4d/0x1e0
[  358.803217][ T4560]  vfs_get_tree+0x88/0x270
[  358.807715][ T4560]  do_new_mount+0x24a/0xa40
[  358.812209][ T4560]  __se_sys_mount+0x2e3/0x3d0
[  358.816874][ T4560]  ? __x64_sys_mount+0xc0/0xc0
[  358.821624][ T4560]  ? lockdep_hardirqs_on+0x94/0x140
[  358.826816][ T4560]  ? __x64_sys_mount+0x1c/0xc0
[  358.831581][ T4560]  do_syscall_64+0x4c/0xa0
[  358.835994][ T4560]  ? clear_bhb_loop+0x30/0x80
[  358.840662][ T4560]  ? clear_bhb_loop+0x30/0x80
[  358.845335][ T4560]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  358.851214][ T4560] RIP: 0033:0x7fbd835ddf4a
[  358.855619][ 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
[  358.875222][ T4560] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  358.883732][ T4560] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  358.891692][ T4560] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  358.899731][ T4560] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  358.907690][ T4560] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  358.915652][ T4560] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  358.923793][ T4560]  </TASK>
[  358.928390][ T4560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  358.942522][ T4560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  359.231909][ T4561] loop1: detected capacity change from 0 to 32768
[  359.287266][ T4561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  359.298603][ T4561] CPU: 1 PID: 4561 Comm: syz.1.201 Not tainted syzkaller #0
[  359.305914][ T4561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  359.315978][ T4561] Call Trace:
[  359.319265][ T4561]  <TASK>
[  359.322238][ T4561]  dump_stack_lvl+0x188/0x250
[  359.326942][ T4561]  ? show_regs_print_info+0x20/0x20
[  359.332153][ T4561]  ? load_image+0x400/0x400
[  359.336676][ T4561]  sysfs_create_dir_ns+0x26a/0x290
[  359.341799][ T4561]  ? sysfs_warn_dup+0xa0/0xa0
[  359.346501][ T4561]  ? do_raw_spin_unlock+0x11d/0x230
[  359.351706][ T4561]  kobject_add_internal+0x6e0/0xd90
[  359.356915][ T4561]  kobject_init_and_add+0x128/0x190
[  359.362125][ T4561]  ? lockdep_softirqs_off+0x430/0x430
[  359.367510][ T4561]  ? kobject_add+0x230/0x230
[  359.372120][ T4561]  ? __init_swait_queue_head+0xa5/0x150
[  359.377676][ T4561]  gfs2_sys_fs_add+0x24f/0x4b0
[  359.382446][ T4561]  ? gfs2_recover_set+0x240/0x240
[  359.387732][ T4561]  ? snprintf+0xe5/0x140
[  359.391965][ T4561]  ? __free_pages+0x95/0x1a0
[  359.396538][ T4561]  ? vscnprintf+0x80/0x80
[  359.400853][ T4561]  gfs2_fill_super+0x120f/0x1f00
[  359.405780][ T4561]  ? gfs2_reconfigure+0xd30/0xd30
[  359.410792][ T4561]  ? sb_set_blocksize+0xa5/0xe0
[  359.415627][ T4561]  get_tree_bdev+0x3f1/0x610
[  359.420206][ T4561]  ? gfs2_reconfigure+0xd30/0xd30
[  359.425215][ T4561]  gfs2_get_tree+0x4d/0x1e0
[  359.429699][ T4561]  vfs_get_tree+0x88/0x270
[  359.434101][ T4561]  do_new_mount+0x24a/0xa40
[  359.438605][ T4561]  __se_sys_mount+0x2e3/0x3d0
[  359.443282][ T4561]  ? __x64_sys_mount+0xc0/0xc0
[  359.448025][ T4561]  ? lockdep_hardirqs_on+0x94/0x140
[  359.453206][ T4561]  ? __x64_sys_mount+0x1c/0xc0
[  359.458624][ T4561]  do_syscall_64+0x4c/0xa0
[  359.463020][ T4561]  ? clear_bhb_loop+0x30/0x80
[  359.467674][ T4561]  ? clear_bhb_loop+0x30/0x80
[  359.472328][ T4561]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  359.478213][ T4561] RIP: 0033:0x7fbd835ddf4a
[  359.482704][ 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
[  359.502397][ T4561] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  359.510813][ T4561] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  359.518769][ T4561] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  359.526735][ T4561] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  359.534691][ T4561] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  359.542648][ T4561] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  359.550611][ T4561]  </TASK>
[  359.554765][ T4561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  359.568010][ T4561] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  359.886594][ T4562] loop1: detected capacity change from 0 to 32768
[  359.954348][ T4562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  359.962173][ T4562] CPU: 1 PID: 4562 Comm: syz.1.202 Not tainted syzkaller #0
[  359.969576][ T4562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  359.979637][ T4562] Call Trace:
[  359.982922][ T4562]  <TASK>
[  359.985853][ T4562]  dump_stack_lvl+0x188/0x250
[  359.990543][ T4562]  ? show_regs_print_info+0x20/0x20
[  359.995744][ T4562]  ? load_image+0x400/0x400
[  360.000268][ T4562]  sysfs_create_dir_ns+0x26a/0x290
[  360.005395][ T4562]  ? sysfs_warn_dup+0xa0/0xa0
[  360.010080][ T4562]  ? do_raw_spin_unlock+0x11d/0x230
[  360.015282][ T4562]  kobject_add_internal+0x6e0/0xd90
[  360.020493][ T4562]  kobject_init_and_add+0x128/0x190
[  360.025857][ T4562]  ? lockdep_softirqs_off+0x430/0x430
[  360.031245][ T4562]  ? kobject_add+0x230/0x230
[  360.035845][ T4562]  ? __init_swait_queue_head+0xa5/0x150
[  360.041385][ T4562]  gfs2_sys_fs_add+0x24f/0x4b0
[  360.046135][ T4562]  ? gfs2_recover_set+0x240/0x240
[  360.051144][ T4562]  ? snprintf+0xe5/0x140
[  360.055373][ T4562]  ? __free_pages+0x95/0x1a0
[  360.059945][ T4562]  ? vscnprintf+0x80/0x80
[  360.064265][ T4562]  gfs2_fill_super+0x120f/0x1f00
[  360.069191][ T4562]  ? gfs2_reconfigure+0xd30/0xd30
[  360.074211][ T4562]  ? sb_set_blocksize+0xa5/0xe0
[  360.079064][ T4562]  get_tree_bdev+0x3f1/0x610
[  360.083646][ T4562]  ? gfs2_reconfigure+0xd30/0xd30
[  360.088735][ T4562]  gfs2_get_tree+0x4d/0x1e0
[  360.093215][ T4562]  vfs_get_tree+0x88/0x270
[  360.097612][ T4562]  do_new_mount+0x24a/0xa40
[  360.102094][ T4562]  __se_sys_mount+0x2e3/0x3d0
[  360.106748][ T4562]  ? __x64_sys_mount+0xc0/0xc0
[  360.111489][ T4562]  ? lockdep_hardirqs_on+0x94/0x140
[  360.116678][ T4562]  ? __x64_sys_mount+0x1c/0xc0
[  360.121435][ T4562]  do_syscall_64+0x4c/0xa0
[  360.125833][ T4562]  ? clear_bhb_loop+0x30/0x80
[  360.130496][ T4562]  ? clear_bhb_loop+0x30/0x80
[  360.135281][ T4562]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  360.141218][ T4562] RIP: 0033:0x7fbd835ddf4a
[  360.145624][ 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
[  360.165582][ T4562] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  360.174181][ T4562] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  360.182151][ T4562] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  360.190202][ T4562] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  360.198161][ T4562] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  360.206123][ T4562] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  360.214100][ T4562]  </TASK>
[  360.218481][ T4562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  360.232164][ T4562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  360.528696][ T4563] loop1: detected capacity change from 0 to 32768
[  360.587697][ T4563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  360.600240][ T4563] CPU: 1 PID: 4563 Comm: syz.1.203 Not tainted syzkaller #0
[  360.607662][ T4563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  360.617837][ T4563] Call Trace:
[  360.621122][ T4563]  <TASK>
[  360.624061][ T4563]  dump_stack_lvl+0x188/0x250
[  360.628752][ T4563]  ? show_regs_print_info+0x20/0x20
[  360.633978][ T4563]  ? load_image+0x400/0x400
[  360.638500][ T4563]  sysfs_create_dir_ns+0x26a/0x290
[  360.643622][ T4563]  ? sysfs_warn_dup+0xa0/0xa0
[  360.648305][ T4563]  ? do_raw_spin_unlock+0x11d/0x230
[  360.653509][ T4563]  kobject_add_internal+0x6e0/0xd90
[  360.659242][ T4563]  kobject_init_and_add+0x128/0x190
[  360.664456][ T4563]  ? lockdep_softirqs_off+0x430/0x430
[  360.669932][ T4563]  ? kobject_add+0x230/0x230
[  360.674529][ T4563]  ? __init_swait_queue_head+0xa5/0x150
[  360.680064][ T4563]  gfs2_sys_fs_add+0x24f/0x4b0
[  360.684815][ T4563]  ? gfs2_recover_set+0x240/0x240
[  360.689825][ T4563]  ? snprintf+0xe5/0x140
[  360.694055][ T4563]  ? __free_pages+0x95/0x1a0
[  360.698720][ T4563]  ? vscnprintf+0x80/0x80
[  360.703047][ T4563]  gfs2_fill_super+0x120f/0x1f00
[  360.707993][ T4563]  ? gfs2_reconfigure+0xd30/0xd30
[  360.713034][ T4563]  ? sb_set_blocksize+0xa5/0xe0
[  360.717881][ T4563]  get_tree_bdev+0x3f1/0x610
[  360.722461][ T4563]  ? gfs2_reconfigure+0xd30/0xd30
[  360.727480][ T4563]  gfs2_get_tree+0x4d/0x1e0
[  360.732052][ T4563]  vfs_get_tree+0x88/0x270
[  360.736450][ T4563]  do_new_mount+0x24a/0xa40
[  360.740936][ T4563]  __se_sys_mount+0x2e3/0x3d0
[  360.745594][ T4563]  ? __x64_sys_mount+0xc0/0xc0
[  360.750345][ T4563]  ? lockdep_hardirqs_on+0x94/0x140
[  360.755526][ T4563]  ? __x64_sys_mount+0x1c/0xc0
[  360.760275][ T4563]  do_syscall_64+0x4c/0xa0
[  360.764676][ T4563]  ? clear_bhb_loop+0x30/0x80
[  360.769329][ T4563]  ? clear_bhb_loop+0x30/0x80
[  360.773983][ T4563]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  360.779861][ T4563] RIP: 0033:0x7fbd835ddf4a
[  360.784252][ 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
[  360.803842][ T4563] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  360.812253][ T4563] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  360.820210][ T4563] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  360.828165][ T4563] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  360.836141][ T4563] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  360.844120][ T4563] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  360.852116][ T4563]  </TASK>
[  360.858982][ T4563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  360.872577][ T4563] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 15:30:32 executed programs: 189
[  361.149984][ T4564] loop1: detected capacity change from 0 to 32768
[  361.228906][ T4564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  361.236570][ T4564] CPU: 0 PID: 4564 Comm: syz.1.204 Not tainted syzkaller #0
[  361.243872][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  361.253937][ T4564] Call Trace:
[  361.257226][ T4564]  <TASK>
[  361.260158][ T4564]  dump_stack_lvl+0x188/0x250
[  361.264843][ T4564]  ? show_regs_print_info+0x20/0x20
[  361.270075][ T4564]  ? load_image+0x400/0x400
[  361.274599][ T4564]  sysfs_create_dir_ns+0x26a/0x290
[  361.279718][ T4564]  ? sysfs_warn_dup+0xa0/0xa0
[  361.284404][ T4564]  ? do_raw_spin_unlock+0x11d/0x230
[  361.289615][ T4564]  kobject_add_internal+0x6e0/0xd90
[  361.294825][ T4564]  kobject_init_and_add+0x128/0x190
[  361.300031][ T4564]  ? lockdep_softirqs_off+0x430/0x430
[  361.305413][ T4564]  ? kobject_add+0x230/0x230
[  361.310058][ T4564]  ? __init_swait_queue_head+0xa5/0x150
[  361.315683][ T4564]  gfs2_sys_fs_add+0x24f/0x4b0
[  361.320431][ T4564]  ? gfs2_recover_set+0x240/0x240
[  361.325435][ T4564]  ? snprintf+0xe5/0x140
[  361.329659][ T4564]  ? __free_pages+0x95/0x1a0
[  361.334232][ T4564]  ? vscnprintf+0x80/0x80
[  361.338567][ T4564]  gfs2_fill_super+0x120f/0x1f00
[  361.343493][ T4564]  ? gfs2_reconfigure+0xd30/0xd30
[  361.348504][ T4564]  ? sb_set_blocksize+0xa5/0xe0
[  361.353334][ T4564]  get_tree_bdev+0x3f1/0x610
[  361.357909][ T4564]  ? gfs2_reconfigure+0xd30/0xd30
[  361.362936][ T4564]  gfs2_get_tree+0x4d/0x1e0
[  361.367423][ T4564]  vfs_get_tree+0x88/0x270
[  361.371822][ T4564]  do_new_mount+0x24a/0xa40
[  361.376311][ T4564]  __se_sys_mount+0x2e3/0x3d0
[  361.380972][ T4564]  ? __x64_sys_mount+0xc0/0xc0
[  361.385713][ T4564]  ? lockdep_hardirqs_on+0x94/0x140
[  361.390891][ T4564]  ? __x64_sys_mount+0x1c/0xc0
[  361.395634][ T4564]  do_syscall_64+0x4c/0xa0
[  361.400028][ T4564]  ? clear_bhb_loop+0x30/0x80
[  361.404683][ T4564]  ? clear_bhb_loop+0x30/0x80
[  361.409520][ T4564]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  361.415407][ T4564] RIP: 0033:0x7fbd835ddf4a
[  361.419814][ 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
[  361.439402][ T4564] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  361.447801][ T4564] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  361.455768][ T4564] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  361.463720][ T4564] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  361.471678][ T4564] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  361.479632][ T4564] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  361.487601][ T4564]  </TASK>
[  361.491977][ T4564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  361.505420][ T4564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  361.797639][ T4565] loop1: detected capacity change from 0 to 32768
[  361.874207][ T4565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  361.881627][ T4565] CPU: 0 PID: 4565 Comm: syz.1.205 Not tainted syzkaller #0
[  361.889012][ T4565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  361.899065][ T4565] Call Trace:
[  361.902344][ T4565]  <TASK>
[  361.905271][ T4565]  dump_stack_lvl+0x188/0x250
[  361.909961][ T4565]  ? show_regs_print_info+0x20/0x20
[  361.915176][ T4565]  ? load_image+0x400/0x400
[  361.919706][ T4565]  sysfs_create_dir_ns+0x26a/0x290
[  361.924824][ T4565]  ? sysfs_warn_dup+0xa0/0xa0
[  361.929501][ T4565]  ? do_raw_spin_unlock+0x11d/0x230
[  361.934707][ T4565]  kobject_add_internal+0x6e0/0xd90
[  361.939923][ T4565]  kobject_init_and_add+0x128/0x190
[  361.945132][ T4565]  ? lockdep_softirqs_off+0x430/0x430
[  361.950515][ T4565]  ? kobject_add+0x230/0x230
[  361.955095][ T4565]  ? __init_swait_queue_head+0xa5/0x150
[  361.960625][ T4565]  gfs2_sys_fs_add+0x24f/0x4b0
[  361.965381][ T4565]  ? gfs2_recover_set+0x240/0x240
[  361.970387][ T4565]  ? snprintf+0xe5/0x140
[  361.974701][ T4565]  ? __free_pages+0x95/0x1a0
[  361.979279][ T4565]  ? vscnprintf+0x80/0x80
[  361.983610][ T4565]  gfs2_fill_super+0x120f/0x1f00
[  361.988547][ T4565]  ? gfs2_reconfigure+0xd30/0xd30
[  361.993559][ T4565]  ? sb_set_blocksize+0xa5/0xe0
[  361.998384][ T4565]  get_tree_bdev+0x3f1/0x610
[  362.002949][ T4565]  ? gfs2_reconfigure+0xd30/0xd30
[  362.007955][ T4565]  gfs2_get_tree+0x4d/0x1e0
[  362.012437][ T4565]  vfs_get_tree+0x88/0x270
[  362.016833][ T4565]  do_new_mount+0x24a/0xa40
[  362.021316][ T4565]  __se_sys_mount+0x2e3/0x3d0
[  362.025967][ T4565]  ? __x64_sys_mount+0xc0/0xc0
[  362.030705][ T4565]  ? lockdep_hardirqs_on+0x94/0x140
[  362.035890][ T4565]  ? __x64_sys_mount+0x1c/0xc0
[  362.040646][ T4565]  do_syscall_64+0x4c/0xa0
[  362.045038][ T4565]  ? clear_bhb_loop+0x30/0x80
[  362.049690][ T4565]  ? clear_bhb_loop+0x30/0x80
[  362.054343][ T4565]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  362.060215][ T4565] RIP: 0033:0x7fbd835ddf4a
[  362.064608][ 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
[  362.084204][ T4565] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  362.092617][ T4565] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  362.100589][ T4565] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  362.108539][ T4565] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  362.116488][ T4565] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  362.124435][ T4565] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  362.132398][ T4565]  </TASK>
[  362.137150][ T4565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  362.150385][ T4565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  362.458059][ T4566] loop1: detected capacity change from 0 to 32768
[  362.525745][ T4566] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  362.533334][ T4566] CPU: 1 PID: 4566 Comm: syz.1.206 Not tainted syzkaller #0
[  362.540628][ T4566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  362.550869][ T4566] Call Trace:
[  362.554160][ T4566]  <TASK>
[  362.557094][ T4566]  dump_stack_lvl+0x188/0x250
[  362.561867][ T4566]  ? show_regs_print_info+0x20/0x20
[  362.567075][ T4566]  ? load_image+0x400/0x400
[  362.571607][ T4566]  sysfs_create_dir_ns+0x26a/0x290
[  362.576729][ T4566]  ? sysfs_warn_dup+0xa0/0xa0
[  362.581433][ T4566]  ? do_raw_spin_unlock+0x11d/0x230
[  362.586640][ T4566]  kobject_add_internal+0x6e0/0xd90
[  362.591851][ T4566]  kobject_init_and_add+0x128/0x190
[  362.597059][ T4566]  ? lockdep_softirqs_off+0x430/0x430
[  362.602443][ T4566]  ? kobject_add+0x230/0x230
[  362.607039][ T4566]  ? __init_swait_queue_head+0xa5/0x150
[  362.612570][ T4566]  gfs2_sys_fs_add+0x24f/0x4b0
[  362.617316][ T4566]  ? gfs2_recover_set+0x240/0x240
[  362.622315][ T4566]  ? snprintf+0xe5/0x140
[  362.626548][ T4566]  ? __free_pages+0x95/0x1a0
[  362.631116][ T4566]  ? vscnprintf+0x80/0x80
[  362.635426][ T4566]  gfs2_fill_super+0x120f/0x1f00
[  362.640347][ T4566]  ? gfs2_reconfigure+0xd30/0xd30
[  362.645355][ T4566]  ? sb_set_blocksize+0xa5/0xe0
[  362.650186][ T4566]  get_tree_bdev+0x3f1/0x610
[  362.654758][ T4566]  ? gfs2_reconfigure+0xd30/0xd30
[  362.659759][ T4566]  gfs2_get_tree+0x4d/0x1e0
[  362.664238][ T4566]  vfs_get_tree+0x88/0x270
[  362.668644][ T4566]  do_new_mount+0x24a/0xa40
[  362.673143][ T4566]  __se_sys_mount+0x2e3/0x3d0
[  362.677814][ T4566]  ? __x64_sys_mount+0xc0/0xc0
[  362.682558][ T4566]  ? lockdep_hardirqs_on+0x94/0x140
[  362.687738][ T4566]  ? __x64_sys_mount+0x1c/0xc0
[  362.692494][ T4566]  do_syscall_64+0x4c/0xa0
[  362.696938][ T4566]  ? clear_bhb_loop+0x30/0x80
[  362.701667][ T4566]  ? clear_bhb_loop+0x30/0x80
[  362.706429][ T4566]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  362.712301][ T4566] RIP: 0033:0x7fbd835ddf4a
[  362.716698][ 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
[  362.736366][ T4566] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  362.744761][ T4566] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  362.752725][ T4566] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  362.760673][ T4566] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  362.768618][ T4566] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  362.776574][ T4566] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  362.784640][ T4566]  </TASK>
[  362.789823][ T4566] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  362.803213][ T4566] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  363.121666][ T4567] loop1: detected capacity change from 0 to 32768
[  363.170619][ T4567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  363.178246][ T4567] CPU: 1 PID: 4567 Comm: syz.1.207 Not tainted syzkaller #0
[  363.185544][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  363.195695][ T4567] Call Trace:
[  363.198986][ T4567]  <TASK>
[  363.201975][ T4567]  dump_stack_lvl+0x188/0x250
[  363.206677][ T4567]  ? show_regs_print_info+0x20/0x20
[  363.211884][ T4567]  ? load_image+0x400/0x400
[  363.216408][ T4567]  sysfs_create_dir_ns+0x26a/0x290
[  363.221528][ T4567]  ? sysfs_warn_dup+0xa0/0xa0
[  363.226215][ T4567]  ? do_raw_spin_unlock+0x11d/0x230
[  363.231427][ T4567]  kobject_add_internal+0x6e0/0xd90
[  363.236646][ T4567]  kobject_init_and_add+0x128/0x190
[  363.241880][ T4567]  ? lockdep_softirqs_off+0x430/0x430
[  363.247263][ T4567]  ? kobject_add+0x230/0x230
[  363.251869][ T4567]  ? __init_swait_queue_head+0xa5/0x150
[  363.257426][ T4567]  gfs2_sys_fs_add+0x24f/0x4b0
[  363.262208][ T4567]  ? gfs2_recover_set+0x240/0x240
[  363.267219][ T4567]  ? snprintf+0xe5/0x140
[  363.271447][ T4567]  ? __free_pages+0x95/0x1a0
[  363.276132][ T4567]  ? vscnprintf+0x80/0x80
[  363.280460][ T4567]  gfs2_fill_super+0x120f/0x1f00
[  363.285394][ T4567]  ? gfs2_reconfigure+0xd30/0xd30
[  363.290419][ T4567]  ? sb_set_blocksize+0xa5/0xe0
[  363.295256][ T4567]  get_tree_bdev+0x3f1/0x610
[  363.299833][ T4567]  ? gfs2_reconfigure+0xd30/0xd30
[  363.304842][ T4567]  gfs2_get_tree+0x4d/0x1e0
[  363.309339][ T4567]  vfs_get_tree+0x88/0x270
[  363.313747][ T4567]  do_new_mount+0x24a/0xa40
[  363.318252][ T4567]  __se_sys_mount+0x2e3/0x3d0
[  363.322909][ T4567]  ? __x64_sys_mount+0xc0/0xc0
[  363.327653][ T4567]  ? lockdep_hardirqs_on+0x94/0x140
[  363.332842][ T4567]  ? __x64_sys_mount+0x1c/0xc0
[  363.337609][ T4567]  do_syscall_64+0x4c/0xa0
[  363.342004][ T4567]  ? clear_bhb_loop+0x30/0x80
[  363.346656][ T4567]  ? clear_bhb_loop+0x30/0x80
[  363.351311][ T4567]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  363.357180][ T4567] RIP: 0033:0x7fbd835ddf4a
[  363.361575][ 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
[  363.381160][ T4567] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  363.389558][ T4567] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  363.397513][ T4567] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  363.405474][ T4567] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  363.413445][ T4567] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  363.421416][ T4567] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  363.429381][ T4567]  </TASK>
[  363.434226][ T4567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  363.447400][ T4567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  363.752308][ T4568] loop1: detected capacity change from 0 to 32768
[  363.813188][ T4568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  363.820935][ T4568] CPU: 0 PID: 4568 Comm: syz.1.208 Not tainted syzkaller #0
[  363.828235][ T4568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  363.838301][ T4568] Call Trace:
[  363.841597][ T4568]  <TASK>
[  363.844616][ T4568]  dump_stack_lvl+0x188/0x250
[  363.849307][ T4568]  ? show_regs_print_info+0x20/0x20
[  363.854515][ T4568]  ? load_image+0x400/0x400
[  363.859051][ T4568]  sysfs_create_dir_ns+0x26a/0x290
[  363.864393][ T4568]  ? sysfs_warn_dup+0xa0/0xa0
[  363.869083][ T4568]  ? do_raw_spin_unlock+0x11d/0x230
[  363.874293][ T4568]  kobject_add_internal+0x6e0/0xd90
[  363.879503][ T4568]  kobject_init_and_add+0x128/0x190
[  363.884709][ T4568]  ? lockdep_softirqs_off+0x430/0x430
[  363.890095][ T4568]  ? kobject_add+0x230/0x230
[  363.894689][ T4568]  ? __init_swait_queue_head+0xa5/0x150
[  363.900225][ T4568]  gfs2_sys_fs_add+0x24f/0x4b0
[  363.905002][ T4568]  ? gfs2_recover_set+0x240/0x240
[  363.910005][ T4568]  ? snprintf+0xe5/0x140
[  363.914233][ T4568]  ? __free_pages+0x95/0x1a0
[  363.918825][ T4568]  ? vscnprintf+0x80/0x80
[  363.923148][ T4568]  gfs2_fill_super+0x120f/0x1f00
[  363.928210][ T4568]  ? gfs2_reconfigure+0xd30/0xd30
[  363.933331][ T4568]  ? sb_set_blocksize+0xa5/0xe0
[  363.938170][ T4568]  get_tree_bdev+0x3f1/0x610
[  363.942745][ T4568]  ? gfs2_reconfigure+0xd30/0xd30
[  363.947853][ T4568]  gfs2_get_tree+0x4d/0x1e0
[  363.952347][ T4568]  vfs_get_tree+0x88/0x270
[  363.956758][ T4568]  do_new_mount+0x24a/0xa40
[  363.961243][ T4568]  __se_sys_mount+0x2e3/0x3d0
[  363.965905][ T4568]  ? __x64_sys_mount+0xc0/0xc0
[  363.970649][ T4568]  ? lockdep_hardirqs_on+0x94/0x140
[  363.975831][ T4568]  ? __x64_sys_mount+0x1c/0xc0
[  363.980571][ T4568]  do_syscall_64+0x4c/0xa0
[  363.984968][ T4568]  ? clear_bhb_loop+0x30/0x80
[  363.989625][ T4568]  ? clear_bhb_loop+0x30/0x80
[  363.994280][ T4568]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  364.000156][ T4568] RIP: 0033:0x7fbd835ddf4a
[  364.004570][ 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
[  364.024243][ T4568] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  364.032640][ T4568] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  364.040591][ T4568] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  364.048541][ T4568] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  364.056582][ T4568] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  364.064545][ T4568] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  364.072523][ T4568]  </TASK>
[  364.076604][ T4568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  364.089926][ T4568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  364.380991][ T4569] loop1: detected capacity change from 0 to 32768
[  364.424893][ T4569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  364.442473][ T4569] CPU: 0 PID: 4569 Comm: syz.1.209 Not tainted syzkaller #0
[  364.449808][ T4569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  364.459960][ T4569] Call Trace:
[  364.463246][ T4569]  <TASK>
[  364.466180][ T4569]  dump_stack_lvl+0x188/0x250
[  364.470871][ T4569]  ? show_regs_print_info+0x20/0x20
[  364.476087][ T4569]  ? load_image+0x400/0x400
[  364.480615][ T4569]  sysfs_create_dir_ns+0x26a/0x290
[  364.485736][ T4569]  ? sysfs_warn_dup+0xa0/0xa0
[  364.490423][ T4569]  ? do_raw_spin_unlock+0x11d/0x230
[  364.495630][ T4569]  kobject_add_internal+0x6e0/0xd90
[  364.500840][ T4569]  kobject_init_and_add+0x128/0x190
[  364.506044][ T4569]  ? lockdep_softirqs_off+0x430/0x430
[  364.511437][ T4569]  ? kobject_add+0x230/0x230
[  364.516032][ T4569]  ? __init_swait_queue_head+0xa5/0x150
[  364.521659][ T4569]  gfs2_sys_fs_add+0x24f/0x4b0
[  364.526404][ T4569]  ? gfs2_recover_set+0x240/0x240
[  364.531413][ T4569]  ? snprintf+0xe5/0x140
[  364.535639][ T4569]  ? __free_pages+0x95/0x1a0
[  364.540225][ T4569]  ? vscnprintf+0x80/0x80
[  364.544544][ T4569]  gfs2_fill_super+0x120f/0x1f00
[  364.549468][ T4569]  ? gfs2_reconfigure+0xd30/0xd30
[  364.554499][ T4569]  ? sb_set_blocksize+0xa5/0xe0
[  364.559347][ T4569]  get_tree_bdev+0x3f1/0x610
[  364.563919][ T4569]  ? gfs2_reconfigure+0xd30/0xd30
[  364.569019][ T4569]  gfs2_get_tree+0x4d/0x1e0
[  364.573550][ T4569]  vfs_get_tree+0x88/0x270
[  364.577953][ T4569]  do_new_mount+0x24a/0xa40
[  364.582450][ T4569]  __se_sys_mount+0x2e3/0x3d0
[  364.587108][ T4569]  ? __x64_sys_mount+0xc0/0xc0
[  364.591859][ T4569]  ? lockdep_hardirqs_on+0x94/0x140
[  364.597035][ T4569]  ? __x64_sys_mount+0x1c/0xc0
[  364.601820][ T4569]  do_syscall_64+0x4c/0xa0
[  364.606219][ T4569]  ? clear_bhb_loop+0x30/0x80
[  364.610885][ T4569]  ? clear_bhb_loop+0x30/0x80
[  364.615544][ T4569]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  364.621417][ T4569] RIP: 0033:0x7fbd835ddf4a
[  364.625812][ 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
[  364.645404][ T4569] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  364.653821][ T4569] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  364.661806][ T4569] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  364.669769][ T4569] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  364.677729][ T4569] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  364.685698][ T4569] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  364.693840][ T4569]  </TASK>
[  364.698210][ T4569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  364.711469][ T4569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  365.026305][ T4570] loop1: detected capacity change from 0 to 32768
[  365.037499][ T4570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  365.045998][ T4570] CPU: 1 PID: 4570 Comm: syz.1.210 Not tainted syzkaller #0
[  365.053317][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  365.063541][ T4570] Call Trace:
[  365.066826][ T4570]  <TASK>
[  365.069755][ T4570]  dump_stack_lvl+0x188/0x250
[  365.074628][ T4570]  ? show_regs_print_info+0x20/0x20
[  365.079860][ T4570]  ? load_image+0x400/0x400
[  365.084446][ T4570]  sysfs_create_dir_ns+0x26a/0x290
[  365.089630][ T4570]  ? sysfs_warn_dup+0xa0/0xa0
[  365.094296][ T4570]  ? do_raw_spin_unlock+0x11d/0x230
[  365.099491][ T4570]  kobject_add_internal+0x6e0/0xd90
[  365.104676][ T4570]  kobject_init_and_add+0x128/0x190
[  365.109858][ T4570]  ? lockdep_softirqs_off+0x430/0x430
[  365.115304][ T4570]  ? kobject_add+0x230/0x230
[  365.119873][ T4570]  ? __init_swait_queue_head+0xa5/0x150
[  365.125401][ T4570]  gfs2_sys_fs_add+0x24f/0x4b0
[  365.130145][ T4570]  ? gfs2_recover_set+0x240/0x240
[  365.135149][ T4570]  ? snprintf+0xe5/0x140
[  365.139373][ T4570]  ? __free_pages+0x95/0x1a0
[  365.143963][ T4570]  ? vscnprintf+0x80/0x80
[  365.148307][ T4570]  gfs2_fill_super+0x120f/0x1f00
[  365.153236][ T4570]  ? gfs2_reconfigure+0xd30/0xd30
[  365.158289][ T4570]  ? sb_set_blocksize+0xa5/0xe0
[  365.163117][ T4570]  get_tree_bdev+0x3f1/0x610
[  365.167826][ T4570]  ? gfs2_reconfigure+0xd30/0xd30
[  365.172856][ T4570]  gfs2_get_tree+0x4d/0x1e0
[  365.177361][ T4570]  vfs_get_tree+0x88/0x270
[  365.181776][ T4570]  do_new_mount+0x24a/0xa40
[  365.186280][ T4570]  __se_sys_mount+0x2e3/0x3d0
[  365.190944][ T4570]  ? __x64_sys_mount+0xc0/0xc0
[  365.195694][ T4570]  ? lockdep_hardirqs_on+0x94/0x140
[  365.201000][ T4570]  ? __x64_sys_mount+0x1c/0xc0
[  365.205751][ T4570]  do_syscall_64+0x4c/0xa0
[  365.210153][ T4570]  ? clear_bhb_loop+0x30/0x80
[  365.214812][ T4570]  ? clear_bhb_loop+0x30/0x80
[  365.219469][ T4570]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  365.225352][ T4570] RIP: 0033:0x7fbd835ddf4a
[  365.229812][ 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
[  365.249599][ T4570] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  365.258006][ T4570] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  365.265967][ T4570] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  365.274018][ T4570] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  365.281972][ T4570] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  365.289933][ T4570] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  365.298023][ T4570]  </TASK>
[  365.302380][   T23] Bluetooth: hci1: command 0x0406 tx timeout
[  365.310446][ T4570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  365.323750][ T4570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  365.625167][ T4571] loop1: detected capacity change from 0 to 32768
[  365.665071][ T4571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  365.673427][ T4571] CPU: 1 PID: 4571 Comm: syz.1.211 Not tainted syzkaller #0
[  365.680743][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  365.690813][ T4571] Call Trace:
[  365.694098][ T4571]  <TASK>
[  365.697034][ T4571]  dump_stack_lvl+0x188/0x250
[  365.701761][ T4571]  ? show_regs_print_info+0x20/0x20
[  365.706996][ T4571]  ? load_image+0x400/0x400
[  365.711514][ T4571]  sysfs_create_dir_ns+0x26a/0x290
[  365.716808][ T4571]  ? sysfs_warn_dup+0xa0/0xa0
[  365.721493][ T4571]  ? do_raw_spin_unlock+0x11d/0x230
[  365.726699][ T4571]  kobject_add_internal+0x6e0/0xd90
[  365.731931][ T4571]  kobject_init_and_add+0x128/0x190
[  365.737225][ T4571]  ? lockdep_softirqs_off+0x430/0x430
[  365.742605][ T4571]  ? kobject_add+0x230/0x230
[  365.747206][ T4571]  ? __init_swait_queue_head+0xa5/0x150
[  365.752765][ T4571]  gfs2_sys_fs_add+0x24f/0x4b0
[  365.757530][ T4571]  ? gfs2_recover_set+0x240/0x240
[  365.762538][ T4571]  ? snprintf+0xe5/0x140
[  365.766850][ T4571]  ? __free_pages+0x95/0x1a0
[  365.771422][ T4571]  ? vscnprintf+0x80/0x80
[  365.775733][ T4571]  gfs2_fill_super+0x120f/0x1f00
[  365.780658][ T4571]  ? gfs2_reconfigure+0xd30/0xd30
[  365.785668][ T4571]  ? sb_set_blocksize+0xa5/0xe0
[  365.790501][ T4571]  get_tree_bdev+0x3f1/0x610
[  365.795083][ T4571]  ? gfs2_reconfigure+0xd30/0xd30
[  365.800100][ T4571]  gfs2_get_tree+0x4d/0x1e0
[  365.804630][ T4571]  vfs_get_tree+0x88/0x270
[  365.809042][ T4571]  do_new_mount+0x24a/0xa40
[  365.813541][ T4571]  __se_sys_mount+0x2e3/0x3d0
[  365.818217][ T4571]  ? __x64_sys_mount+0xc0/0xc0
[  365.822963][ T4571]  ? lockdep_hardirqs_on+0x94/0x140
[  365.828152][ T4571]  ? __x64_sys_mount+0x1c/0xc0
[  365.832914][ T4571]  do_syscall_64+0x4c/0xa0
[  365.837334][ T4571]  ? clear_bhb_loop+0x30/0x80
[  365.841994][ T4571]  ? clear_bhb_loop+0x30/0x80
[  365.846659][ T4571]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  365.852740][ T4571] RIP: 0033:0x7fbd835ddf4a
[  365.857167][ T4571] 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
[  365.876790][ T4571] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  365.885188][ T4571] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  365.893324][ T4571] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  365.901290][ T4571] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  365.909358][ T4571] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  365.917315][ T4571] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  365.925277][ T4571]  </TASK>
[  365.929743][ T4571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  365.943400][ T4571] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 15:30:37 executed programs: 197
[  366.251507][ T4572] loop1: detected capacity change from 0 to 32768
[  366.302471][ T4572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  366.309880][ T4572] CPU: 0 PID: 4572 Comm: syz.1.212 Not tainted syzkaller #0
[  366.317175][ T4572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  366.327239][ T4572] Call Trace:
[  366.330525][ T4572]  <TASK>
[  366.333458][ T4572]  dump_stack_lvl+0x188/0x250
[  366.338147][ T4572]  ? show_regs_print_info+0x20/0x20
[  366.343357][ T4572]  ? load_image+0x400/0x400
[  366.347887][ T4572]  sysfs_create_dir_ns+0x26a/0x290
[  366.353008][ T4572]  ? sysfs_warn_dup+0xa0/0xa0
[  366.357692][ T4572]  ? do_raw_spin_unlock+0x11d/0x230
[  366.362894][ T4572]  kobject_add_internal+0x6e0/0xd90
[  366.368106][ T4572]  kobject_init_and_add+0x128/0x190
[  366.373306][ T4572]  ? lockdep_softirqs_off+0x430/0x430
[  366.378719][ T4572]  ? kobject_add+0x230/0x230
[  366.383323][ T4572]  ? __init_swait_queue_head+0xa5/0x150
[  366.388881][ T4572]  gfs2_sys_fs_add+0x24f/0x4b0
[  366.393652][ T4572]  ? gfs2_recover_set+0x240/0x240
[  366.398856][ T4572]  ? snprintf+0xe5/0x140
[  366.403079][ T4572]  ? __free_pages+0x95/0x1a0
[  366.407696][ T4572]  ? vscnprintf+0x80/0x80
[  366.412095][ T4572]  gfs2_fill_super+0x120f/0x1f00
[  366.417118][ T4572]  ? gfs2_reconfigure+0xd30/0xd30
[  366.422310][ T4572]  ? sb_set_blocksize+0xa5/0xe0
[  366.427168][ T4572]  get_tree_bdev+0x3f1/0x610
[  366.431746][ T4572]  ? gfs2_reconfigure+0xd30/0xd30
[  366.436763][ T4572]  gfs2_get_tree+0x4d/0x1e0
[  366.441256][ T4572]  vfs_get_tree+0x88/0x270
[  366.445663][ T4572]  do_new_mount+0x24a/0xa40
[  366.450266][ T4572]  __se_sys_mount+0x2e3/0x3d0
[  366.454924][ T4572]  ? __x64_sys_mount+0xc0/0xc0
[  366.459668][ T4572]  ? lockdep_hardirqs_on+0x94/0x140
[  366.464843][ T4572]  ? __x64_sys_mount+0x1c/0xc0
[  366.469587][ T4572]  do_syscall_64+0x4c/0xa0
[  366.474110][ T4572]  ? clear_bhb_loop+0x30/0x80
[  366.478766][ T4572]  ? clear_bhb_loop+0x30/0x80
[  366.483426][ T4572]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  366.489307][ T4572] RIP: 0033:0x7fbd835ddf4a
[  366.493895][ 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
[  366.513491][ T4572] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  366.521910][ T4572] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  366.529865][ T4572] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  366.537820][ T4572] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  366.545772][ T4572] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  366.553727][ T4572] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  366.561778][ T4572]  </TASK>
[  366.565980][ T4572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  366.579142][ T4572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  366.873574][ T4573] loop1: detected capacity change from 0 to 32768
[  366.921738][ T4573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  366.929856][ T4573] CPU: 1 PID: 4573 Comm: syz.1.213 Not tainted syzkaller #0
[  366.937153][ T4573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  366.947306][ T4573] Call Trace:
[  366.950593][ T4573]  <TASK>
[  366.953529][ T4573]  dump_stack_lvl+0x188/0x250
[  366.958218][ T4573]  ? show_regs_print_info+0x20/0x20
[  366.963426][ T4573]  ? load_image+0x400/0x400
[  366.967948][ T4573]  sysfs_create_dir_ns+0x26a/0x290
[  366.973072][ T4573]  ? sysfs_warn_dup+0xa0/0xa0
[  366.977844][ T4573]  ? do_raw_spin_unlock+0x11d/0x230
[  366.983055][ T4573]  kobject_add_internal+0x6e0/0xd90
[  366.988268][ T4573]  kobject_init_and_add+0x128/0x190
[  366.993474][ T4573]  ? lockdep_softirqs_off+0x430/0x430
[  366.998858][ T4573]  ? kobject_add+0x230/0x230
[  367.003463][ T4573]  ? __init_swait_queue_head+0xa5/0x150
[  367.009018][ T4573]  gfs2_sys_fs_add+0x24f/0x4b0
[  367.013805][ T4573]  ? gfs2_recover_set+0x240/0x240
[  367.018828][ T4573]  ? snprintf+0xe5/0x140
[  367.023052][ T4573]  ? __free_pages+0x95/0x1a0
[  367.027626][ T4573]  ? vscnprintf+0x80/0x80
[  367.031938][ T4573]  gfs2_fill_super+0x120f/0x1f00
[  367.036862][ T4573]  ? gfs2_reconfigure+0xd30/0xd30
[  367.041882][ T4573]  ? sb_set_blocksize+0xa5/0xe0
[  367.046712][ T4573]  get_tree_bdev+0x3f1/0x610
[  367.051286][ T4573]  ? gfs2_reconfigure+0xd30/0xd30
[  367.056288][ T4573]  gfs2_get_tree+0x4d/0x1e0
[  367.060775][ T4573]  vfs_get_tree+0x88/0x270
[  367.065262][ T4573]  do_new_mount+0x24a/0xa40
[  367.069751][ T4573]  __se_sys_mount+0x2e3/0x3d0
[  367.074412][ T4573]  ? __x64_sys_mount+0xc0/0xc0
[  367.079159][ T4573]  ? lockdep_hardirqs_on+0x94/0x140
[  367.084424][ T4573]  ? __x64_sys_mount+0x1c/0xc0
[  367.089173][ T4573]  do_syscall_64+0x4c/0xa0
[  367.093587][ T4573]  ? clear_bhb_loop+0x30/0x80
[  367.098264][ T4573]  ? clear_bhb_loop+0x30/0x80
[  367.103101][ T4573]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  367.108989][ T4573] RIP: 0033:0x7fbd835ddf4a
[  367.113394][ T4573] 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
[  367.133001][ T4573] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  367.141419][ T4573] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  367.149376][ T4573] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  367.157332][ T4573] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  367.165737][ T4573] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  367.173697][ T4573] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  367.181673][ T4573]  </TASK>
[  367.185760][ T4573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  367.199375][ T4573] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  367.518217][ T4574] loop1: detected capacity change from 0 to 32768
[  367.567526][ T4574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  367.593098][ T4574] CPU: 1 PID: 4574 Comm: syz.1.214 Not tainted syzkaller #0
[  367.600419][ T4574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  367.610484][ T4574] Call Trace:
[  367.613768][ T4574]  <TASK>
[  367.616702][ T4574]  dump_stack_lvl+0x188/0x250
[  367.621390][ T4574]  ? show_regs_print_info+0x20/0x20
[  367.626601][ T4574]  ? load_image+0x400/0x400
[  367.631120][ T4574]  sysfs_create_dir_ns+0x26a/0x290
[  367.636234][ T4574]  ? sysfs_warn_dup+0xa0/0xa0
[  367.640918][ T4574]  ? do_raw_spin_unlock+0x11d/0x230
[  367.646130][ T4574]  kobject_add_internal+0x6e0/0xd90
[  367.651340][ T4574]  kobject_init_and_add+0x128/0x190
[  367.656562][ T4574]  ? lockdep_softirqs_off+0x430/0x430
[  367.661926][ T4574]  ? kobject_add+0x230/0x230
[  367.666643][ T4574]  ? __init_swait_queue_head+0xa5/0x150
[  367.672195][ T4574]  gfs2_sys_fs_add+0x24f/0x4b0
[  367.676947][ T4574]  ? gfs2_recover_set+0x240/0x240
[  367.682215][ T4574]  ? snprintf+0xe5/0x140
[  367.686450][ T4574]  ? __free_pages+0x95/0x1a0
[  367.691034][ T4574]  ? vscnprintf+0x80/0x80
[  367.695355][ T4574]  gfs2_fill_super+0x120f/0x1f00
[  367.700291][ T4574]  ? gfs2_reconfigure+0xd30/0xd30
[  367.705309][ T4574]  ? sb_set_blocksize+0xa5/0xe0
[  367.710147][ T4574]  get_tree_bdev+0x3f1/0x610
[  367.714833][ T4574]  ? gfs2_reconfigure+0xd30/0xd30
[  367.719855][ T4574]  gfs2_get_tree+0x4d/0x1e0
[  367.724353][ T4574]  vfs_get_tree+0x88/0x270
[  367.728758][ T4574]  do_new_mount+0x24a/0xa40
[  367.733349][ T4574]  __se_sys_mount+0x2e3/0x3d0
[  367.738033][ T4574]  ? __x64_sys_mount+0xc0/0xc0
[  367.742778][ T4574]  ? lockdep_hardirqs_on+0x94/0x140
[  367.747955][ T4574]  ? __x64_sys_mount+0x1c/0xc0
[  367.752710][ T4574]  do_syscall_64+0x4c/0xa0
[  367.757119][ T4574]  ? clear_bhb_loop+0x30/0x80
[  367.761771][ T4574]  ? clear_bhb_loop+0x30/0x80
[  367.766422][ T4574]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  367.772314][ T4574] RIP: 0033:0x7fbd835ddf4a
[  367.776721][ T4574] 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
[  367.796448][ T4574] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  367.804862][ T4574] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  367.812914][ T4574] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  367.821239][ T4574] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  367.829317][ T4574] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  367.837460][ T4574] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  367.845635][ T4574]  </TASK>
[  367.850420][ T4574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  367.863593][ T4574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  368.188673][ T4575] loop1: detected capacity change from 0 to 32768
[  368.242311][ T4575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  368.249924][ T4575] CPU: 0 PID: 4575 Comm: syz.1.215 Not tainted syzkaller #0
[  368.257217][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  368.267298][ T4575] Call Trace:
[  368.270588][ T4575]  <TASK>
[  368.273525][ T4575]  dump_stack_lvl+0x188/0x250
[  368.278506][ T4575]  ? show_regs_print_info+0x20/0x20
[  368.283729][ T4575]  ? load_image+0x400/0x400
[  368.288262][ T4575]  sysfs_create_dir_ns+0x26a/0x290
[  368.293385][ T4575]  ? sysfs_warn_dup+0xa0/0xa0
[  368.298069][ T4575]  ? do_raw_spin_unlock+0x11d/0x230
[  368.303279][ T4575]  kobject_add_internal+0x6e0/0xd90
[  368.308500][ T4575]  kobject_init_and_add+0x128/0x190
[  368.313721][ T4575]  ? lockdep_softirqs_off+0x430/0x430
[  368.319101][ T4575]  ? kobject_add+0x230/0x230
[  368.323685][ T4575]  ? __init_swait_queue_head+0xa5/0x150
[  368.329222][ T4575]  gfs2_sys_fs_add+0x24f/0x4b0
[  368.333970][ T4575]  ? gfs2_recover_set+0x240/0x240
[  368.339022][ T4575]  ? snprintf+0xe5/0x140
[  368.343261][ T4575]  ? __free_pages+0x95/0x1a0
[  368.347835][ T4575]  ? vscnprintf+0x80/0x80
[  368.352240][ T4575]  gfs2_fill_super+0x120f/0x1f00
[  368.357164][ T4575]  ? gfs2_reconfigure+0xd30/0xd30
[  368.362178][ T4575]  ? sb_set_blocksize+0xa5/0xe0
[  368.367004][ T4575]  get_tree_bdev+0x3f1/0x610
[  368.371575][ T4575]  ? gfs2_reconfigure+0xd30/0xd30
[  368.376577][ T4575]  gfs2_get_tree+0x4d/0x1e0
[  368.381057][ T4575]  vfs_get_tree+0x88/0x270
[  368.385453][ T4575]  do_new_mount+0x24a/0xa40
[  368.389935][ T4575]  __se_sys_mount+0x2e3/0x3d0
[  368.394589][ T4575]  ? __x64_sys_mount+0xc0/0xc0
[  368.399332][ T4575]  ? lockdep_hardirqs_on+0x94/0x140
[  368.404525][ T4575]  ? __x64_sys_mount+0x1c/0xc0
[  368.409302][ T4575]  do_syscall_64+0x4c/0xa0
[  368.413693][ T4575]  ? clear_bhb_loop+0x30/0x80
[  368.418347][ T4575]  ? clear_bhb_loop+0x30/0x80
[  368.423014][ T4575]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  368.428906][ T4575] RIP: 0033:0x7fbd835ddf4a
[  368.433311][ 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
[  368.452912][ T4575] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  368.461341][ T4575] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  368.469298][ T4575] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  368.477260][ T4575] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  368.485228][ T4575] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  368.493179][ T4575] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  368.501142][ T4575]  </TASK>
[  368.505434][ T4575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  368.518793][ T4575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  368.845653][ T4576] loop1: detected capacity change from 0 to 32768
[  368.917882][ T4576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  368.925353][ T4576] CPU: 0 PID: 4576 Comm: syz.1.216 Not tainted syzkaller #0
[  368.932653][ T4576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  368.942719][ T4576] Call Trace:
[  368.946005][ T4576]  <TASK>
[  368.948939][ T4576]  dump_stack_lvl+0x188/0x250
[  368.953631][ T4576]  ? show_regs_print_info+0x20/0x20
[  368.958841][ T4576]  ? load_image+0x400/0x400
[  368.963360][ T4576]  sysfs_create_dir_ns+0x26a/0x290
[  368.968516][ T4576]  ? sysfs_warn_dup+0xa0/0xa0
[  368.973213][ T4576]  ? do_raw_spin_unlock+0x11d/0x230
[  368.978419][ T4576]  kobject_add_internal+0x6e0/0xd90
[  368.983630][ T4576]  kobject_init_and_add+0x128/0x190
[  368.988967][ T4576]  ? lockdep_softirqs_off+0x430/0x430
[  368.994351][ T4576]  ? kobject_add+0x230/0x230
[  368.998952][ T4576]  ? __init_swait_queue_head+0xa5/0x150
[  369.004516][ T4576]  gfs2_sys_fs_add+0x24f/0x4b0
[  369.009269][ T4576]  ? gfs2_recover_set+0x240/0x240
[  369.014275][ T4576]  ? snprintf+0xe5/0x140
[  369.018500][ T4576]  ? __free_pages+0x95/0x1a0
[  369.023072][ T4576]  ? vscnprintf+0x80/0x80
[  369.027390][ T4576]  gfs2_fill_super+0x120f/0x1f00
[  369.032343][ T4576]  ? gfs2_reconfigure+0xd30/0xd30
[  369.037366][ T4576]  ? sb_set_blocksize+0xa5/0xe0
[  369.042205][ T4576]  get_tree_bdev+0x3f1/0x610
[  369.047041][ T4576]  ? gfs2_reconfigure+0xd30/0xd30
[  369.052049][ T4576]  gfs2_get_tree+0x4d/0x1e0
[  369.056539][ T4576]  vfs_get_tree+0x88/0x270
[  369.060935][ T4576]  do_new_mount+0x24a/0xa40
[  369.065419][ T4576]  __se_sys_mount+0x2e3/0x3d0
[  369.070076][ T4576]  ? __x64_sys_mount+0xc0/0xc0
[  369.074820][ T4576]  ? lockdep_hardirqs_on+0x94/0x140
[  369.080006][ T4576]  ? __x64_sys_mount+0x1c/0xc0
[  369.084751][ T4576]  do_syscall_64+0x4c/0xa0
[  369.089153][ T4576]  ? clear_bhb_loop+0x30/0x80
[  369.093816][ T4576]  ? clear_bhb_loop+0x30/0x80
[  369.098466][ T4576]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  369.104426][ T4576] RIP: 0033:0x7fbd835ddf4a
[  369.108820][ T4576] 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
[  369.128406][ T4576] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  369.136799][ T4576] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  369.144753][ T4576] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  369.152727][ T4576] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  369.160680][ T4576] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  369.168801][ T4576] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  369.176763][ T4576]  </TASK>
[  369.181629][ T4576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  369.194785][ T4576] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  369.490390][ T4577] loop1: detected capacity change from 0 to 32768
[  369.535464][ T4577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  369.550685][ T4577] CPU: 1 PID: 4577 Comm: syz.1.217 Not tainted syzkaller #0
[  369.558003][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  369.568057][ T4577] Call Trace:
[  369.571344][ T4577]  <TASK>
[  369.574280][ T4577]  dump_stack_lvl+0x188/0x250
[  369.578970][ T4577]  ? show_regs_print_info+0x20/0x20
[  369.584186][ T4577]  ? load_image+0x400/0x400
[  369.588713][ T4577]  sysfs_create_dir_ns+0x26a/0x290
[  369.593835][ T4577]  ? sysfs_warn_dup+0xa0/0xa0
[  369.598524][ T4577]  ? do_raw_spin_unlock+0x11d/0x230
[  369.603732][ T4577]  kobject_add_internal+0x6e0/0xd90
[  369.608949][ T4577]  kobject_init_and_add+0x128/0x190
[  369.614163][ T4577]  ? lockdep_softirqs_off+0x430/0x430
[  369.619545][ T4577]  ? kobject_add+0x230/0x230
[  369.624149][ T4577]  ? __init_swait_queue_head+0xa5/0x150
[  369.629710][ T4577]  gfs2_sys_fs_add+0x24f/0x4b0
[  369.634482][ T4577]  ? gfs2_recover_set+0x240/0x240
[  369.639510][ T4577]  ? snprintf+0xe5/0x140
[  369.643761][ T4577]  ? __free_pages+0x95/0x1a0
[  369.648356][ T4577]  ? vscnprintf+0x80/0x80
[  369.652678][ T4577]  gfs2_fill_super+0x120f/0x1f00
[  369.657607][ T4577]  ? gfs2_reconfigure+0xd30/0xd30
[  369.662638][ T4577]  ? sb_set_blocksize+0xa5/0xe0
[  369.667483][ T4577]  get_tree_bdev+0x3f1/0x610
[  369.672149][ T4577]  ? gfs2_reconfigure+0xd30/0xd30
[  369.677159][ T4577]  gfs2_get_tree+0x4d/0x1e0
[  369.681644][ T4577]  vfs_get_tree+0x88/0x270
[  369.686039][ T4577]  do_new_mount+0x24a/0xa40
[  369.690530][ T4577]  __se_sys_mount+0x2e3/0x3d0
[  369.695191][ T4577]  ? __x64_sys_mount+0xc0/0xc0
[  369.699934][ T4577]  ? lockdep_hardirqs_on+0x94/0x140
[  369.705107][ T4577]  ? __x64_sys_mount+0x1c/0xc0
[  369.709850][ T4577]  do_syscall_64+0x4c/0xa0
[  369.714249][ T4577]  ? clear_bhb_loop+0x30/0x80
[  369.718996][ T4577]  ? clear_bhb_loop+0x30/0x80
[  369.723665][ T4577]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  369.729553][ T4577] RIP: 0033:0x7fbd835ddf4a
[  369.733946][ 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
[  369.753534][ T4577] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  369.761935][ T4577] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  369.769906][ T4577] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  369.777863][ T4577] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  369.785817][ T4577] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  369.793777][ T4577] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  369.801848][ T4577]  </TASK>
[  369.806184][ T4577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  369.820000][ T4577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  370.120413][ T4578] loop1: detected capacity change from 0 to 32768
[  370.167513][ T4578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  370.180071][ T4578] CPU: 1 PID: 4578 Comm: syz.1.218 Not tainted syzkaller #0
[  370.187388][ T4578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  370.197540][ T4578] Call Trace:
[  370.200995][ T4578]  <TASK>
[  370.203929][ T4578]  dump_stack_lvl+0x188/0x250
[  370.208614][ T4578]  ? show_regs_print_info+0x20/0x20
[  370.213825][ T4578]  ? load_image+0x400/0x400
[  370.218359][ T4578]  sysfs_create_dir_ns+0x26a/0x290
[  370.223592][ T4578]  ? sysfs_warn_dup+0xa0/0xa0
[  370.228277][ T4578]  ? do_raw_spin_unlock+0x11d/0x230
[  370.233494][ T4578]  kobject_add_internal+0x6e0/0xd90
[  370.238709][ T4578]  kobject_init_and_add+0x128/0x190
[  370.243926][ T4578]  ? lockdep_softirqs_off+0x430/0x430
[  370.249410][ T4578]  ? kobject_add+0x230/0x230
[  370.254148][ T4578]  ? __init_swait_queue_head+0xa5/0x150
[  370.259700][ T4578]  gfs2_sys_fs_add+0x24f/0x4b0
[  370.264621][ T4578]  ? gfs2_recover_set+0x240/0x240
[  370.269637][ T4578]  ? snprintf+0xe5/0x140
[  370.273863][ T4578]  ? __free_pages+0x95/0x1a0
[  370.278435][ T4578]  ? vscnprintf+0x80/0x80
[  370.282760][ T4578]  gfs2_fill_super+0x120f/0x1f00
[  370.287789][ T4578]  ? gfs2_reconfigure+0xd30/0xd30
[  370.292813][ T4578]  ? sb_set_blocksize+0xa5/0xe0
[  370.297659][ T4578]  get_tree_bdev+0x3f1/0x610
[  370.302266][ T4578]  ? gfs2_reconfigure+0xd30/0xd30
[  370.307277][ T4578]  gfs2_get_tree+0x4d/0x1e0
[  370.311760][ T4578]  vfs_get_tree+0x88/0x270
[  370.316172][ T4578]  do_new_mount+0x24a/0xa40
[  370.320778][ T4578]  __se_sys_mount+0x2e3/0x3d0
[  370.325451][ T4578]  ? __x64_sys_mount+0xc0/0xc0
[  370.330231][ T4578]  ? lockdep_hardirqs_on+0x94/0x140
[  370.335414][ T4578]  ? __x64_sys_mount+0x1c/0xc0
[  370.340163][ T4578]  do_syscall_64+0x4c/0xa0
[  370.344563][ T4578]  ? clear_bhb_loop+0x30/0x80
[  370.349219][ T4578]  ? clear_bhb_loop+0x30/0x80
[  370.353885][ T4578]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  370.359763][ T4578] RIP: 0033:0x7fbd835ddf4a
[  370.364160][ 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
[  370.383835][ T4578] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  370.392232][ T4578] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  370.400188][ T4578] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  370.408147][ T4578] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  370.416105][ T4578] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  370.424076][ T4578] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  370.432129][ T4578]  </TASK>
[  370.436437][ T4578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  370.449584][ T4578] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  370.794460][ T4579] loop1: detected capacity change from 0 to 32768
[  370.844435][ T4579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  370.851841][ T4579] CPU: 1 PID: 4579 Comm: syz.1.219 Not tainted syzkaller #0
[  370.859142][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  370.869207][ T4579] Call Trace:
[  370.872490][ T4579]  <TASK>
[  370.875423][ T4579]  dump_stack_lvl+0x188/0x250
[  370.880112][ T4579]  ? show_regs_print_info+0x20/0x20
[  370.885322][ T4579]  ? load_image+0x400/0x400
[  370.889856][ T4579]  sysfs_create_dir_ns+0x26a/0x290
[  370.894981][ T4579]  ? sysfs_warn_dup+0xa0/0xa0
[  370.900188][ T4579]  ? do_raw_spin_unlock+0x11d/0x230
[  370.905401][ T4579]  kobject_add_internal+0x6e0/0xd90
[  370.910619][ T4579]  kobject_init_and_add+0x128/0x190
[  370.915814][ T4579]  ? lockdep_softirqs_off+0x430/0x430
[  370.921181][ T4579]  ? kobject_add+0x230/0x230
[  370.925752][ T4579]  ? __init_swait_queue_head+0xa5/0x150
[  370.931309][ T4579]  gfs2_sys_fs_add+0x24f/0x4b0
[  370.936055][ T4579]  ? gfs2_recover_set+0x240/0x240
[  370.941060][ T4579]  ? snprintf+0xe5/0x140
[  370.945287][ T4579]  ? __free_pages+0x95/0x1a0
[  370.949868][ T4579]  ? vscnprintf+0x80/0x80
[  370.954180][ T4579]  gfs2_fill_super+0x120f/0x1f00
[  370.959108][ T4579]  ? gfs2_reconfigure+0xd30/0xd30
[  370.964140][ T4579]  ? sb_set_blocksize+0xa5/0xe0
[  370.968969][ T4579]  get_tree_bdev+0x3f1/0x610
[  370.973546][ T4579]  ? gfs2_reconfigure+0xd30/0xd30
[  370.978551][ T4579]  gfs2_get_tree+0x4d/0x1e0
[  370.983038][ T4579]  vfs_get_tree+0x88/0x270
[  370.987435][ T4579]  do_new_mount+0x24a/0xa40
[  370.991921][ T4579]  __se_sys_mount+0x2e3/0x3d0
[  370.996576][ T4579]  ? __x64_sys_mount+0xc0/0xc0
[  371.001329][ T4579]  ? lockdep_hardirqs_on+0x94/0x140
[  371.006500][ T4579]  ? __x64_sys_mount+0x1c/0xc0
[  371.011254][ T4579]  do_syscall_64+0x4c/0xa0
[  371.015648][ T4579]  ? clear_bhb_loop+0x30/0x80
[  371.020330][ T4579]  ? clear_bhb_loop+0x30/0x80
[  371.024984][ T4579]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  371.030856][ T4579] RIP: 0033:0x7fbd835ddf4a
[  371.035286][ T4579] 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
[  371.054981][ T4579] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  371.063728][ T4579] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  371.071680][ T4579] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  371.079629][ T4579] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  371.087669][ T4579] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  371.095624][ T4579] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  371.103691][ T4579]  </TASK>
[  371.108283][ T4579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  371.121670][ T4579] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 15:30:43 executed programs: 205
[  371.444542][ T4580] loop1: detected capacity change from 0 to 32768
[  371.495863][ T4580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  371.503347][ T4580] CPU: 1 PID: 4580 Comm: syz.1.220 Not tainted syzkaller #0
[  371.510644][ T4580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  371.520713][ T4580] Call Trace:
[  371.523998][ T4580]  <TASK>
[  371.526929][ T4580]  dump_stack_lvl+0x188/0x250
[  371.531617][ T4580]  ? show_regs_print_info+0x20/0x20
[  371.536828][ T4580]  ? load_image+0x400/0x400
[  371.541393][ T4580]  sysfs_create_dir_ns+0x26a/0x290
[  371.546529][ T4580]  ? sysfs_warn_dup+0xa0/0xa0
[  371.551271][ T4580]  ? do_raw_spin_unlock+0x11d/0x230
[  371.556498][ T4580]  kobject_add_internal+0x6e0/0xd90
[  371.561713][ T4580]  kobject_init_and_add+0x128/0x190
[  371.567023][ T4580]  ? lockdep_softirqs_off+0x430/0x430
[  371.572409][ T4580]  ? kobject_add+0x230/0x230
[  371.577019][ T4580]  ? __init_swait_queue_head+0xa5/0x150
[  371.582551][ T4580]  gfs2_sys_fs_add+0x24f/0x4b0
[  371.587301][ T4580]  ? gfs2_recover_set+0x240/0x240
[  371.592395][ T4580]  ? snprintf+0xe5/0x140
[  371.596636][ T4580]  ? __free_pages+0x95/0x1a0
[  371.601212][ T4580]  ? vscnprintf+0x80/0x80
[  371.605623][ T4580]  gfs2_fill_super+0x120f/0x1f00
[  371.610548][ T4580]  ? gfs2_reconfigure+0xd30/0xd30
[  371.615604][ T4580]  ? sb_set_blocksize+0xa5/0xe0
[  371.620437][ T4580]  get_tree_bdev+0x3f1/0x610
[  371.625012][ T4580]  ? gfs2_reconfigure+0xd30/0xd30
[  371.630016][ T4580]  gfs2_get_tree+0x4d/0x1e0
[  371.634625][ T4580]  vfs_get_tree+0x88/0x270
[  371.639036][ T4580]  do_new_mount+0x24a/0xa40
[  371.643531][ T4580]  __se_sys_mount+0x2e3/0x3d0
[  371.648195][ T4580]  ? __x64_sys_mount+0xc0/0xc0
[  371.652945][ T4580]  ? lockdep_hardirqs_on+0x94/0x140
[  371.658164][ T4580]  ? __x64_sys_mount+0x1c/0xc0
[  371.662936][ T4580]  do_syscall_64+0x4c/0xa0
[  371.667337][ T4580]  ? clear_bhb_loop+0x30/0x80
[  371.672012][ T4580]  ? clear_bhb_loop+0x30/0x80
[  371.676669][ T4580]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  371.682545][ T4580] RIP: 0033:0x7fbd835ddf4a
[  371.686942][ 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
[  371.706532][ T4580] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  371.714933][ T4580] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  371.722896][ T4580] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  371.730942][ T4580] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  371.738898][ T4580] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  371.746856][ T4580] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  371.754821][ T4580]  </TASK>
[  371.766550][ T4580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  371.779719][ T4580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  372.115325][ T4581] loop1: detected capacity change from 0 to 32768
[  372.194775][ T4581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  372.202199][ T4581] CPU: 0 PID: 4581 Comm: syz.1.221 Not tainted syzkaller #0
[  372.209500][ T4581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  372.219559][ T4581] Call Trace:
[  372.222842][ T4581]  <TASK>
[  372.225776][ T4581]  dump_stack_lvl+0x188/0x250
[  372.230473][ T4581]  ? show_regs_print_info+0x20/0x20
[  372.235689][ T4581]  ? load_image+0x400/0x400
[  372.240229][ T4581]  sysfs_create_dir_ns+0x26a/0x290
[  372.245446][ T4581]  ? sysfs_warn_dup+0xa0/0xa0
[  372.250138][ T4581]  ? do_raw_spin_unlock+0x11d/0x230
[  372.255442][ T4581]  kobject_add_internal+0x6e0/0xd90
[  372.260653][ T4581]  kobject_init_and_add+0x128/0x190
[  372.265842][ T4581]  ? lockdep_softirqs_off+0x430/0x430
[  372.271206][ T4581]  ? kobject_add+0x230/0x230
[  372.275777][ T4581]  ? __init_swait_queue_head+0xa5/0x150
[  372.281303][ T4581]  gfs2_sys_fs_add+0x24f/0x4b0
[  372.286047][ T4581]  ? gfs2_recover_set+0x240/0x240
[  372.291055][ T4581]  ? snprintf+0xe5/0x140
[  372.295287][ T4581]  ? __free_pages+0x95/0x1a0
[  372.299980][ T4581]  ? vscnprintf+0x80/0x80
[  372.304299][ T4581]  gfs2_fill_super+0x120f/0x1f00
[  372.309248][ T4581]  ? gfs2_reconfigure+0xd30/0xd30
[  372.314493][ T4581]  ? sb_set_blocksize+0xa5/0xe0
[  372.319353][ T4581]  get_tree_bdev+0x3f1/0x610
[  372.323939][ T4581]  ? gfs2_reconfigure+0xd30/0xd30
[  372.329005][ T4581]  gfs2_get_tree+0x4d/0x1e0
[  372.333590][ T4581]  vfs_get_tree+0x88/0x270
[  372.338000][ T4581]  do_new_mount+0x24a/0xa40
[  372.342503][ T4581]  __se_sys_mount+0x2e3/0x3d0
[  372.347172][ T4581]  ? __x64_sys_mount+0xc0/0xc0
[  372.352128][ T4581]  ? lockdep_hardirqs_on+0x94/0x140
[  372.357412][ T4581]  ? __x64_sys_mount+0x1c/0xc0
[  372.362343][ T4581]  do_syscall_64+0x4c/0xa0
[  372.366750][ T4581]  ? clear_bhb_loop+0x30/0x80
[  372.371405][ T4581]  ? clear_bhb_loop+0x30/0x80
[  372.376064][ T4581]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  372.381964][ T4581] RIP: 0033:0x7fbd835ddf4a
[  372.386363][ T4581] 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
[  372.405948][ T4581] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  372.414354][ T4581] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  372.422400][ T4581] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  372.430640][ T4581] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  372.438594][ T4581] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  372.446548][ T4581] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  372.454536][ T4581]  </TASK>
[  372.459023][ T4581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  372.472284][ T4581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  372.772690][ T4582] loop1: detected capacity change from 0 to 32768
[  372.817186][ T4582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  372.836908][ T4582] CPU: 1 PID: 4582 Comm: syz.1.222 Not tainted syzkaller #0
[  372.844239][ T4582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  372.854603][ T4582] Call Trace:
[  372.857935][ T4582]  <TASK>
[  372.860865][ T4582]  dump_stack_lvl+0x188/0x250
[  372.865555][ T4582]  ? show_regs_print_info+0x20/0x20
[  372.870767][ T4582]  ? load_image+0x400/0x400
[  372.875306][ T4582]  sysfs_create_dir_ns+0x26a/0x290
[  372.880435][ T4582]  ? sysfs_warn_dup+0xa0/0xa0
[  372.885118][ T4582]  ? do_raw_spin_unlock+0x11d/0x230
[  372.890325][ T4582]  kobject_add_internal+0x6e0/0xd90
[  372.895531][ T4582]  kobject_init_and_add+0x128/0x190
[  372.900734][ T4582]  ? lockdep_softirqs_off+0x430/0x430
[  372.906116][ T4582]  ? kobject_add+0x230/0x230
[  372.910716][ T4582]  ? __init_swait_queue_head+0xa5/0x150
[  372.916272][ T4582]  gfs2_sys_fs_add+0x24f/0x4b0
[  372.921024][ T4582]  ? gfs2_recover_set+0x240/0x240
[  372.926029][ T4582]  ? snprintf+0xe5/0x140
[  372.930265][ T4582]  ? __free_pages+0x95/0x1a0
[  372.934844][ T4582]  ? vscnprintf+0x80/0x80
[  372.939164][ T4582]  gfs2_fill_super+0x120f/0x1f00
[  372.944098][ T4582]  ? gfs2_reconfigure+0xd30/0xd30
[  372.949126][ T4582]  ? sb_set_blocksize+0xa5/0xe0
[  372.953957][ T4582]  get_tree_bdev+0x3f1/0x610
[  372.958531][ T4582]  ? gfs2_reconfigure+0xd30/0xd30
[  372.963642][ T4582]  gfs2_get_tree+0x4d/0x1e0
[  372.968142][ T4582]  vfs_get_tree+0x88/0x270
[  372.972544][ T4582]  do_new_mount+0x24a/0xa40
[  372.977032][ T4582]  __se_sys_mount+0x2e3/0x3d0
[  372.981689][ T4582]  ? __x64_sys_mount+0xc0/0xc0
[  372.986437][ T4582]  ? lockdep_hardirqs_on+0x94/0x140
[  372.991615][ T4582]  ? __x64_sys_mount+0x1c/0xc0
[  372.996365][ T4582]  do_syscall_64+0x4c/0xa0
[  373.000759][ T4582]  ? clear_bhb_loop+0x30/0x80
[  373.005415][ T4582]  ? clear_bhb_loop+0x30/0x80
[  373.010073][ T4582]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  373.015956][ T4582] RIP: 0033:0x7fbd835ddf4a
[  373.020373][ 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
[  373.039966][ T4582] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  373.048368][ T4582] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  373.056599][ T4582] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  373.064643][ T4582] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  373.072598][ T4582] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  373.080688][ T4582] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  373.088653][ T4582]  </TASK>
[  373.092832][ T4582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  373.106069][ T4582] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  373.449123][ T4583] loop1: detected capacity change from 0 to 32768
[  373.522136][ T4583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  373.529745][ T4583] CPU: 0 PID: 4583 Comm: syz.1.223 Not tainted syzkaller #0
[  373.537141][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  373.547214][ T4583] Call Trace:
[  373.550499][ T4583]  <TASK>
[  373.553431][ T4583]  dump_stack_lvl+0x188/0x250
[  373.558207][ T4583]  ? show_regs_print_info+0x20/0x20
[  373.563594][ T4583]  ? load_image+0x400/0x400
[  373.568210][ T4583]  sysfs_create_dir_ns+0x26a/0x290
[  373.573335][ T4583]  ? sysfs_warn_dup+0xa0/0xa0
[  373.578024][ T4583]  ? do_raw_spin_unlock+0x11d/0x230
[  373.583275][ T4583]  kobject_add_internal+0x6e0/0xd90
[  373.588488][ T4583]  kobject_init_and_add+0x128/0x190
[  373.593793][ T4583]  ? lockdep_softirqs_off+0x430/0x430
[  373.599182][ T4583]  ? kobject_add+0x230/0x230
[  373.603759][ T4583]  ? __init_swait_queue_head+0xa5/0x150
[  373.609291][ T4583]  gfs2_sys_fs_add+0x24f/0x4b0
[  373.614041][ T4583]  ? gfs2_recover_set+0x240/0x240
[  373.619158][ T4583]  ? snprintf+0xe5/0x140
[  373.623398][ T4583]  ? __free_pages+0x95/0x1a0
[  373.627973][ T4583]  ? vscnprintf+0x80/0x80
[  373.632290][ T4583]  gfs2_fill_super+0x120f/0x1f00
[  373.637238][ T4583]  ? gfs2_reconfigure+0xd30/0xd30
[  373.642258][ T4583]  ? sb_set_blocksize+0xa5/0xe0
[  373.647251][ T4583]  get_tree_bdev+0x3f1/0x610
[  373.652106][ T4583]  ? gfs2_reconfigure+0xd30/0xd30
[  373.657125][ T4583]  gfs2_get_tree+0x4d/0x1e0
[  373.661632][ T4583]  vfs_get_tree+0x88/0x270
[  373.666051][ T4583]  do_new_mount+0x24a/0xa40
[  373.670618][ T4583]  __se_sys_mount+0x2e3/0x3d0
[  373.675296][ T4583]  ? __x64_sys_mount+0xc0/0xc0
[  373.680053][ T4583]  ? lockdep_hardirqs_on+0x94/0x140
[  373.685321][ T4583]  ? __x64_sys_mount+0x1c/0xc0
[  373.690189][ T4583]  do_syscall_64+0x4c/0xa0
[  373.694619][ T4583]  ? clear_bhb_loop+0x30/0x80
[  373.699323][ T4583]  ? clear_bhb_loop+0x30/0x80
[  373.704116][ T4583]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  373.710078][ T4583] RIP: 0033:0x7fbd835ddf4a
[  373.714503][ T4583] 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
[  373.734360][ T4583] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  373.742766][ T4583] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  373.750816][ T4583] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  373.758773][ T4583] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  373.766814][ T4583] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  373.774883][ T4583] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  373.782949][ T4583]  </TASK>
[  373.787137][ T4583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  373.800295][ T4583] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  374.139162][ T4584] loop1: detected capacity change from 0 to 32768
[  374.206826][ T4584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  374.214470][ T4584] CPU: 1 PID: 4584 Comm: syz.1.224 Not tainted syzkaller #0
[  374.221788][ T4584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  374.231854][ T4584] Call Trace:
[  374.235139][ T4584]  <TASK>
[  374.238162][ T4584]  dump_stack_lvl+0x188/0x250
[  374.242866][ T4584]  ? show_regs_print_info+0x20/0x20
[  374.248087][ T4584]  ? load_image+0x400/0x400
[  374.252618][ T4584]  sysfs_create_dir_ns+0x26a/0x290
[  374.257746][ T4584]  ? sysfs_warn_dup+0xa0/0xa0
[  374.262437][ T4584]  ? do_raw_spin_unlock+0x11d/0x230
[  374.267745][ T4584]  kobject_add_internal+0x6e0/0xd90
[  374.273055][ T4584]  kobject_init_and_add+0x128/0x190
[  374.278260][ T4584]  ? lockdep_softirqs_off+0x430/0x430
[  374.283651][ T4584]  ? kobject_add+0x230/0x230
[  374.288251][ T4584]  ? __init_swait_queue_head+0xa5/0x150
[  374.293834][ T4584]  gfs2_sys_fs_add+0x24f/0x4b0
[  374.298691][ T4584]  ? gfs2_recover_set+0x240/0x240
[  374.303734][ T4584]  ? snprintf+0xe5/0x140
[  374.307967][ T4584]  ? __free_pages+0x95/0x1a0
[  374.312555][ T4584]  ? vscnprintf+0x80/0x80
[  374.316886][ T4584]  gfs2_fill_super+0x120f/0x1f00
[  374.321812][ T4584]  ? gfs2_reconfigure+0xd30/0xd30
[  374.326824][ T4584]  ? sb_set_blocksize+0xa5/0xe0
[  374.331667][ T4584]  get_tree_bdev+0x3f1/0x610
[  374.336332][ T4584]  ? gfs2_reconfigure+0xd30/0xd30
[  374.341363][ T4584]  gfs2_get_tree+0x4d/0x1e0
[  374.345852][ T4584]  vfs_get_tree+0x88/0x270
[  374.350269][ T4584]  do_new_mount+0x24a/0xa40
[  374.354776][ T4584]  __se_sys_mount+0x2e3/0x3d0
[  374.359435][ T4584]  ? __x64_sys_mount+0xc0/0xc0
[  374.364182][ T4584]  ? lockdep_hardirqs_on+0x94/0x140
[  374.369364][ T4584]  ? __x64_sys_mount+0x1c/0xc0
[  374.374116][ T4584]  do_syscall_64+0x4c/0xa0
[  374.378526][ T4584]  ? clear_bhb_loop+0x30/0x80
[  374.383189][ T4584]  ? clear_bhb_loop+0x30/0x80
[  374.387844][ T4584]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  374.393722][ T4584] RIP: 0033:0x7fbd835ddf4a
[  374.398131][ T4584] 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
[  374.417807][ T4584] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  374.426232][ T4584] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  374.434196][ T4584] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  374.442174][ T4584] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  374.450135][ T4584] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  374.458096][ T4584] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  374.466095][ T4584]  </TASK>
[  374.470614][ T4584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  374.484112][ T4584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  374.795618][ T4585] loop1: detected capacity change from 0 to 32768
[  374.838441][ T4585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  374.846018][ T4585] CPU: 0 PID: 4585 Comm: syz.1.225 Not tainted syzkaller #0
[  374.853321][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  374.863385][ T4585] Call Trace:
[  374.866679][ T4585]  <TASK>
[  374.869624][ T4585]  dump_stack_lvl+0x188/0x250
[  374.874324][ T4585]  ? show_regs_print_info+0x20/0x20
[  374.879542][ T4585]  ? load_image+0x400/0x400
[  374.884075][ T4585]  sysfs_create_dir_ns+0x26a/0x290
[  374.889199][ T4585]  ? sysfs_warn_dup+0xa0/0xa0
[  374.893885][ T4585]  ? do_raw_spin_unlock+0x11d/0x230
[  374.899093][ T4585]  kobject_add_internal+0x6e0/0xd90
[  374.904325][ T4585]  kobject_init_and_add+0x128/0x190
[  374.909537][ T4585]  ? lockdep_softirqs_off+0x430/0x430
[  374.914928][ T4585]  ? kobject_add+0x230/0x230
[  374.919532][ T4585]  ? __init_swait_queue_head+0xa5/0x150
[  374.925089][ T4585]  gfs2_sys_fs_add+0x24f/0x4b0
[  374.929862][ T4585]  ? gfs2_recover_set+0x240/0x240
[  374.934904][ T4585]  ? snprintf+0xe5/0x140
[  374.939153][ T4585]  ? __free_pages+0x95/0x1a0
[  374.943759][ T4585]  ? vscnprintf+0x80/0x80
[  374.948103][ T4585]  gfs2_fill_super+0x120f/0x1f00
[  374.953049][ T4585]  ? gfs2_reconfigure+0xd30/0xd30
[  374.958080][ T4585]  ? sb_set_blocksize+0xa5/0xe0
[  374.962918][ T4585]  get_tree_bdev+0x3f1/0x610
[  374.967505][ T4585]  ? gfs2_reconfigure+0xd30/0xd30
[  374.972520][ T4585]  gfs2_get_tree+0x4d/0x1e0
[  374.977026][ T4585]  vfs_get_tree+0x88/0x270
[  374.981442][ T4585]  do_new_mount+0x24a/0xa40
[  374.985929][ T4585]  __se_sys_mount+0x2e3/0x3d0
[  374.990589][ T4585]  ? __x64_sys_mount+0xc0/0xc0
[  374.995330][ T4585]  ? lockdep_hardirqs_on+0x94/0x140
[  375.000508][ T4585]  ? __x64_sys_mount+0x1c/0xc0
[  375.005252][ T4585]  do_syscall_64+0x4c/0xa0
[  375.009645][ T4585]  ? clear_bhb_loop+0x30/0x80
[  375.014298][ T4585]  ? clear_bhb_loop+0x30/0x80
[  375.018956][ T4585]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  375.024938][ T4585] RIP: 0033:0x7fbd835ddf4a
[  375.029347][ T4585] 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
[  375.048940][ T4585] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  375.057341][ T4585] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  375.065301][ T4585] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  375.073262][ T4585] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  375.081355][ T4585] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  375.089319][ T4585] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  375.097293][ T4585]  </TASK>
[  375.101604][ T4585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  375.114857][ T4585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  375.441191][ T4586] loop1: detected capacity change from 0 to 32768
[  375.491153][ T4586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  375.498650][ T4586] CPU: 0 PID: 4586 Comm: syz.1.226 Not tainted syzkaller #0
[  375.505957][ T4586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  375.516199][ T4586] Call Trace:
[  375.519494][ T4586]  <TASK>
[  375.522436][ T4586]  dump_stack_lvl+0x188/0x250
[  375.527127][ T4586]  ? show_regs_print_info+0x20/0x20
[  375.532342][ T4586]  ? load_image+0x400/0x400
[  375.536874][ T4586]  sysfs_create_dir_ns+0x26a/0x290
[  375.542002][ T4586]  ? sysfs_warn_dup+0xa0/0xa0
[  375.546694][ T4586]  ? do_raw_spin_unlock+0x11d/0x230
[  375.551906][ T4586]  kobject_add_internal+0x6e0/0xd90
[  375.557553][ T4586]  kobject_init_and_add+0x128/0x190
[  375.562857][ T4586]  ? lockdep_softirqs_off+0x430/0x430
[  375.568242][ T4586]  ? kobject_add+0x230/0x230
[  375.572852][ T4586]  ? __init_swait_queue_head+0xa5/0x150
[  375.578406][ T4586]  gfs2_sys_fs_add+0x24f/0x4b0
[  375.583163][ T4586]  ? gfs2_recover_set+0x240/0x240
[  375.588173][ T4586]  ? snprintf+0xe5/0x140
[  375.592401][ T4586]  ? __free_pages+0x95/0x1a0
[  375.597070][ T4586]  ? vscnprintf+0x80/0x80
[  375.601385][ T4586]  gfs2_fill_super+0x120f/0x1f00
[  375.606314][ T4586]  ? gfs2_reconfigure+0xd30/0xd30
[  375.611338][ T4586]  ? sb_set_blocksize+0xa5/0xe0
[  375.616188][ T4586]  get_tree_bdev+0x3f1/0x610
[  375.620767][ T4586]  ? gfs2_reconfigure+0xd30/0xd30
[  375.625776][ T4586]  gfs2_get_tree+0x4d/0x1e0
[  375.630261][ T4586]  vfs_get_tree+0x88/0x270
[  375.634665][ T4586]  do_new_mount+0x24a/0xa40
[  375.639227][ T4586]  __se_sys_mount+0x2e3/0x3d0
[  375.644007][ T4586]  ? __x64_sys_mount+0xc0/0xc0
[  375.648769][ T4586]  ? lockdep_hardirqs_on+0x94/0x140
[  375.653958][ T4586]  ? __x64_sys_mount+0x1c/0xc0
[  375.658725][ T4586]  do_syscall_64+0x4c/0xa0
[  375.663123][ T4586]  ? clear_bhb_loop+0x30/0x80
[  375.667780][ T4586]  ? clear_bhb_loop+0x30/0x80
[  375.672438][ T4586]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  375.678315][ T4586] RIP: 0033:0x7fbd835ddf4a
[  375.682712][ T4586] 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
[  375.702309][ T4586] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  375.710737][ T4586] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  375.718699][ T4586] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  375.726656][ T4586] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  375.734610][ T4586] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  375.742567][ T4586] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  375.750528][ T4586]  </TASK>
[  375.755135][ T4586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  375.768409][ T4586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  375.869474][   T27] INFO: task syz-executor:4322 blocked for more than 143 seconds.
[  375.891187][   T27]       Not tainted syzkaller #0
[  375.896612][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  375.906062][   T27] task:syz-executor    state:D stack:21808 pid: 4322 ppid:     1 flags:0x00004004
[  375.915645][   T27] Call Trace:
[  375.919054][   T27]  <TASK>
[  375.925631][   T27]  __schedule+0x11ef/0x43c0
[  375.930193][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  375.943511][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  375.961691][   T27]  ? _raw_spin_unlock+0x40/0x40
[  375.967905][   T27]  ? rcu_is_watching+0x11/0xa0
[  375.974715][   T27]  ? release_firmware_map_entry+0x190/0x190
[  375.980669][   T27]  schedule+0x11b/0x1e0
[  375.986274][   T27]  schedule_timeout+0x184/0x2d0
[  375.991282][   T27]  ? console_conditional_schedule+0x40/0x40
[  375.998819][   T27]  ? update_process_times+0x200/0x200
[  376.006248][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  376.011846][   T27]  gfs2_gl_hash_clear+0x1ab/0x2f0
[  376.018285][   T27]  ? thaw_glock+0x150/0x150
[  376.024100][   T27]  ? gfs2_jindex_free+0x3a3/0x410
[  376.029151][   T27]  ? init_wait_entry+0xd0/0xd0
[  376.035336][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  376.039964][   T27]  gfs2_put_super+0x769/0x7d0
[  376.046032][   T27]  ? gfs2_evict_inode+0x1240/0x1240
[  376.051251][   T27]  generic_shutdown_super+0x130/0x300
[  376.058021][   T27]  kill_block_super+0x7c/0xe0
[  376.063949][   T27]  deactivate_locked_super+0x93/0xf0
[  376.069256][   T27]  cleanup_mnt+0x42d/0x4e0
[  376.075048][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  376.080274][   T27]  task_work_run+0x125/0x1a0
[  376.087028][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  376.093768][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  376.099350][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  376.106808][   T27]  do_syscall_64+0x58/0xa0
[  376.111260][   T27]  ? clear_bhb_loop+0x30/0x80
[  376.117363][   T27]  ? clear_bhb_loop+0x30/0x80
[  376.122150][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  376.129471][   T27] RIP: 0033:0x7f6064537f17
[  376.135219][   T27] RSP: 002b:00007ffe80919fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  376.144945][   T27] RAX: 0000000000000000 RBX: 00007f60645a071f RCX: 00007f6064537f17
[  376.154316][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe8091a060
[  376.163808][   T27] RBP: 00007ffe8091a060 R08: 00007ffe8091b060 R09: 00000000ffffffff
[  376.171800][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe8091b0f0
[  376.181210][   T27] R13: 00007f60645a071f R14: 0000000000036d64 R15: 00007ffe8091b130
[  376.190558][   T27]  </TASK>
[  376.195506][   T27] 
[  376.195506][   T27] Showing all locks held in the system:
[  376.204657][   T27] 1 lock held by khungtaskd/27:
[  376.205468][ T4587] loop1: detected capacity change from 0 to 32768
[  376.210225][   T27]  #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  376.228062][   T27] 2 locks held by getty/3948:
[  376.233032][   T27]  #0: ffff88814c9b3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  376.236472][ T4587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  376.243229][   T27]  #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  376.250704][ T4587] CPU: 0 PID: 4587 Comm: syz.1.227 Not tainted syzkaller #0
[  376.260791][   T27] 1 lock held by syz-executor/4322:
[  376.267767][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  376.267779][ T4587] Call Trace:
[  376.267785][ T4587]  <TASK>
[  376.267792][ T4587]  dump_stack_lvl+0x188/0x250
[  376.267818][ T4587]  ? show_regs_print_info+0x20/0x20
[  376.273505][   T27]  #0: 
[  376.283030][ T4587]  ? load_image+0x400/0x400
[  376.283066][ T4587]  sysfs_create_dir_ns+0x26a/0x290
[  376.286695][   T27] ffff88807dbf20e0
[  376.289251][ T4587]  ? sysfs_warn_dup+0xa0/0xa0
[  376.294140][   T27]  (
[  376.299079][ T4587]  ? do_raw_spin_unlock+0x11d/0x230
[  376.301813][   T27] &type->s_umount_key
[  376.306292][ T4587]  kobject_add_internal+0x6e0/0xd90
[  376.306318][ T4587]  kobject_init_and_add+0x128/0x190
[  376.306333][ T4587]  ? lockdep_softirqs_off+0x430/0x430
[  376.306354][ T4587]  ? kobject_add+0x230/0x230
[  376.306373][ T4587]  ? __init_swait_queue_head+0xa5/0x150
[  376.306394][ T4587]  gfs2_sys_fs_add+0x24f/0x4b0
[  376.306413][ T4587]  ? gfs2_recover_set+0x240/0x240
[  376.306429][ T4587]  ? snprintf+0xe5/0x140
[  376.306447][ T4587]  ? __free_pages+0x95/0x1a0
[  376.306467][ T4587]  ? vscnprintf+0x80/0x80
[  376.306493][ T4587]  gfs2_fill_super+0x120f/0x1f00
[  376.314295][   T27] #54
[  376.315287][ T4587]  ? gfs2_reconfigure+0xd30/0xd30
[  376.319932][   T27] ){++++}-{3:3}
[  376.322424][ T4587]  ? sb_set_blocksize+0xa5/0xe0
[  376.322443][ T4587]  get_tree_bdev+0x3f1/0x610
[  376.322462][ T4587]  ? gfs2_reconfigure+0xd30/0xd30
[  376.328363][   T27] , at: deactivate_super+0xa0/0xd0
[  376.331610][ T4587]  gfs2_get_tree+0x4d/0x1e0
[  376.337095][   T27] 1 lock held by udevd/4349:
[  376.341964][ T4587]  vfs_get_tree+0x88/0x270
[  376.347580][   T27]  #0: 
[  376.351874][ T4587]  do_new_mount+0x24a/0xa40
[  376.357746][   T27] ffff8880170cdbb8
[  376.362142][ T4587]  __se_sys_mount+0x2e3/0x3d0
[  376.367863][   T27]  (
[  376.371799][ T4587]  ? __x64_sys_mount+0xc0/0xc0
[  376.376637][   T27] mapping.invalidate_lock
[  376.380697][ T4587]  ? lockdep_hardirqs_on+0x94/0x140
[  376.385876][   T27] #2
[  376.388172][ T4587]  ? __x64_sys_mount+0x1c/0xc0
[  376.393554][   T27] ){.+.+}-{3:3}
[  376.396884][ T4587]  do_syscall_64+0x4c/0xa0
[  376.401717][   T27] , at: filemap_read+0xc0a/0x2540
[  376.406284][ T4587]  ? clear_bhb_loop+0x30/0x80
[  376.406302][ T4587]  ? clear_bhb_loop+0x30/0x80
[  376.406317][ T4587]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  376.406332][ T4587] RIP: 0033:0x7fbd835ddf4a
2026/01/25 15:30:48 executed programs: 213
[  376.406348][ T4587] 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
[  376.406360][ T4587] RSP: 002b:00007ffc103159a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  376.406378][ T4587] RAX: ffffffffffffffda RBX: 00007ffc10315a30 RCX: 00007fbd835ddf4a
[  376.406390][ T4587] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffc103159f0
[  376.406401][ T4587] RBP: 00002000000002c0 R08: 00007ffc10315a30 R09: 0000000000008c9b
[  376.406412][ T4587] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  376.406423][ T4587] R13: 00007ffc103159f0 R14: 0000000000012760 R15: 0000200000000400
[  376.412785][   T27] 4 locks held by syz.1.227/4587:
[  376.416619][ T4587]  </TASK>
[  376.421271][   T27] 
[  376.428462][ T4587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  376.440257][   T27] =============================================
[  376.440257][   T27] 
[  376.441637][ T4587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  376.447251][   T27] NMI backtrace for cpu 1
[  376.613510][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  376.620703][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  376.630749][   T27] Call Trace:
[  376.634033][   T27]  <TASK>
[  376.636949][   T27]  dump_stack_lvl+0x188/0x250
[  376.641644][   T27]  ? show_regs_print_info+0x20/0x20
[  376.646841][   T27]  ? load_image+0x400/0x400
[  376.651332][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  376.656695][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  376.661803][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  376.666727][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  376.672866][   T27]  ? _printk+0xda/0x130
[  376.677006][   T27]  ? load_image+0x400/0x400
[  376.681492][   T27]  ? load_image+0x400/0x400
[  376.685973][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  376.692019][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  376.697982][   T27]  watchdog+0xe0f/0xe50
[  376.702124][   T27]  kthread+0x436/0x520
[  376.706172][   T27]  ? hungtask_pm_notify+0x40/0x40
[  376.711175][   T27]  ? kthread_blkcg+0xd0/0xd0
[  376.715742][   T27]  ret_from_fork+0x1f/0x30
[  376.720152][   T27]  </TASK>
[  376.723553][   T27] Sending NMI from CPU 1 to CPUs 0:
[  376.728790][    C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[  376.730567][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  376.745287][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  376.752472][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  376.762505][   T27] Call Trace:
[  376.765854][   T27]  <TASK>
[  376.768765][   T27]  dump_stack_lvl+0x188/0x250
[  376.773425][   T27]  ? show_regs_print_info+0x20/0x20
[  376.778605][   T27]  ? load_image+0x400/0x400
[  376.783091][   T27]  panic+0x2e5/0x810
[  376.786968][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  376.792579][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  376.797061][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  376.803203][   T27]  watchdog+0xe4e/0xe50
[  376.807343][   T27]  kthread+0x436/0x520
[  376.811391][   T27]  ? hungtask_pm_notify+0x40/0x40
[  376.816391][   T27]  ? kthread_blkcg+0xd0/0xd0
[  376.820963][   T27]  ret_from_fork+0x1f/0x30
[  376.825373][   T27]  </TASK>
[  376.828708][   T27] Kernel Offset: disabled
[  376.833033][   T27] Rebooting in 86400 seconds..