][ T5316]  ? gfs2_reconfigure+0xd80/0xd80
[  227.458508][ T5316]  ? sb_set_blocksize+0xa5/0xe0
[  227.463377][ T5316]  get_tree_bdev+0x3e6/0x610
[  227.468306][ T5316]  ? gfs2_reconfigure+0xd80/0xd80
[  227.473340][ T5316]  gfs2_get_tree+0x4d/0x1e0
[  227.478027][ T5316]  vfs_get_tree+0x88/0x270
[  227.482806][ T5316]  do_new_mount+0x247/0xa40
[  227.487500][ T5316]  __se_sys_mount+0x2e3/0x3d0
[  227.492505][ T5316]  ? __x64_sys_mount+0xc0/0xc0
[  227.497554][ T5316]  ? lockdep_hardirqs_on+0x94/0x140
[  227.502782][ T5316]  ? __x64_sys_mount+0x1c/0xc0
[  227.507681][ T5316]  do_syscall_64+0x4c/0xa0
[  227.512185][ T5316]  ? clear_bhb_loop+0x30/0x80
[  227.516988][ T5316]  ? clear_bhb_loop+0x30/0x80
[  227.522108][ T5316]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.528137][ T5316] RIP: 0033:0x7fc6950ea60a
[  227.532552][ T5316] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  227.552713][ T5316] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.561329][ T5316] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  227.569330][ T5316] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  227.577735][ T5316] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  227.585719][ T5316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  227.594273][ T5316] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  227.602347][ T5316]  </TASK>
[  227.607519][ T5316] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.621415][ T5316] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.954284][ T5319] loop1: detected capacity change from 0 to 32768
[  228.016172][ T5319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.024597][ T5319] CPU: 0 PID: 5319 Comm: syz.1.176 Not tainted syzkaller #0
[  228.032194][ T5319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  228.042717][ T5319] Call Trace:
[  228.046020][ T5319]  <TASK>
[  228.048971][ T5319]  dump_stack_lvl+0x188/0x250
[  228.053771][ T5319]  ? show_regs_print_info+0x20/0x20
[  228.059082][ T5319]  ? load_image+0x410/0x410
[  228.063885][ T5319]  sysfs_create_dir_ns+0x26a/0x290
[  228.069359][ T5319]  ? sysfs_warn_dup+0xa0/0xa0
[  228.074150][ T5319]  ? do_raw_spin_unlock+0x11d/0x230
[  228.079378][ T5319]  kobject_add_internal+0x5ba/0xcd0
[  228.084602][ T5319]  kobject_init_and_add+0x128/0x190
[  228.089824][ T5319]  ? lockdep_softirqs_off+0x430/0x430
[  228.095210][ T5319]  ? kobject_add+0x230/0x230
[  228.099896][ T5319]  ? __init_swait_queue_head+0xa4/0x140
[  228.105560][ T5319]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.110401][ T5319]  ? gfs2_recover_set+0x240/0x240
[  228.115414][ T5319]  ? snprintf+0xe5/0x140
[  228.119792][ T5319]  ? __free_pages+0x95/0x1a0
[  228.125007][ T5319]  ? vscnprintf+0x80/0x80
[  228.129836][ T5319]  gfs2_fill_super+0x11ed/0x1ea0
[  228.134877][ T5319]  ? gfs2_reconfigure+0xd80/0xd80
[  228.140018][ T5319]  ? sb_set_blocksize+0xa5/0xe0
[  228.145055][ T5319]  get_tree_bdev+0x3e6/0x610
[  228.149651][ T5319]  ? gfs2_reconfigure+0xd80/0xd80
[  228.154693][ T5319]  gfs2_get_tree+0x4d/0x1e0
[  228.159277][ T5319]  vfs_get_tree+0x88/0x270
[  228.163942][ T5319]  do_new_mount+0x247/0xa40
[  228.168950][ T5319]  __se_sys_mount+0x2e3/0x3d0
[  228.174208][ T5319]  ? __x64_sys_mount+0xc0/0xc0
[  228.179186][ T5319]  ? lockdep_hardirqs_on+0x94/0x140
[  228.184422][ T5319]  ? __x64_sys_mount+0x1c/0xc0
[  228.189409][ T5319]  do_syscall_64+0x4c/0xa0
[  228.194028][ T5319]  ? clear_bhb_loop+0x30/0x80
[  228.198825][ T5319]  ? clear_bhb_loop+0x30/0x80
[  228.203682][ T5319]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.209951][ T5319] RIP: 0033:0x7fc6950ea60a
[  228.214828][ T5319] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  228.236643][ T5319] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.245884][ T5319] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  228.253949][ T5319] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  228.261952][ T5319] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  228.269929][ T5319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.278087][ T5319] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  228.286260][ T5319]  </TASK>
[  228.290879][ T5319] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.304381][ T5319] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.612265][ T5321] loop1: detected capacity change from 0 to 32768
[  228.661080][ T5321] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.671049][ T5321] CPU: 0 PID: 5321 Comm: syz.1.177 Not tainted syzkaller #0
[  228.678552][ T5321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  228.688711][ T5321] Call Trace:
[  228.692004][ T5321]  <TASK>
[  228.694957][ T5321]  dump_stack_lvl+0x188/0x250
[  228.700440][ T5321]  ? show_regs_print_info+0x20/0x20
[  228.705669][ T5321]  ? load_image+0x410/0x410
[  228.710205][ T5321]  sysfs_create_dir_ns+0x26a/0x290
[  228.715337][ T5321]  ? sysfs_warn_dup+0xa0/0xa0
[  228.720037][ T5321]  ? do_raw_spin_unlock+0x11d/0x230
[  228.725346][ T5321]  kobject_add_internal+0x5ba/0xcd0
[  228.730666][ T5321]  kobject_init_and_add+0x128/0x190
[  228.735976][ T5321]  ? lockdep_softirqs_off+0x430/0x430
[  228.741370][ T5321]  ? kobject_add+0x230/0x230
[  228.745965][ T5321]  ? __init_swait_queue_head+0xa4/0x140
[  228.751792][ T5321]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.756560][ T5321]  ? gfs2_recover_set+0x240/0x240
[  228.761968][ T5321]  ? snprintf+0xe5/0x140
[  228.766481][ T5321]  ? __free_pages+0x95/0x1a0
[  228.771167][ T5321]  ? vscnprintf+0x80/0x80
[  228.775636][ T5321]  gfs2_fill_super+0x11ed/0x1ea0
[  228.780851][ T5321]  ? gfs2_reconfigure+0xd80/0xd80
[  228.785872][ T5321]  ? sb_set_blocksize+0xa5/0xe0
[  228.790825][ T5321]  get_tree_bdev+0x3e6/0x610
[  228.796154][ T5321]  ? gfs2_reconfigure+0xd80/0xd80
[  228.801490][ T5321]  gfs2_get_tree+0x4d/0x1e0
[  228.806011][ T5321]  vfs_get_tree+0x88/0x270
[  228.810419][ T5321]  do_new_mount+0x247/0xa40
[  228.814944][ T5321]  __se_sys_mount+0x2e3/0x3d0
[  228.819832][ T5321]  ? __x64_sys_mount+0xc0/0xc0
[  228.824860][ T5321]  ? lockdep_hardirqs_on+0x94/0x140
[  228.830205][ T5321]  ? __x64_sys_mount+0x1c/0xc0
[  228.835053][ T5321]  do_syscall_64+0x4c/0xa0
[  228.839731][ T5321]  ? clear_bhb_loop+0x30/0x80
[  228.844471][ T5321]  ? clear_bhb_loop+0x30/0x80
[  228.849126][ T5321]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.854994][ T5321] RIP: 0033:0x7fc6950ea60a
[  228.859592][ T5321] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  228.879453][ T5321] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.887864][ T5321] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  228.895826][ T5321] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  228.903882][ T5321] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  228.912262][ T5321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  228.920655][ T5321] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  228.928854][ T5321]  </TASK>
[  228.933679][ T5321] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.947162][ T5321] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/29 23:23:16 executed programs: 163
[  229.277949][ T5324] loop1: detected capacity change from 0 to 32768
[  229.291043][ T5324] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.299718][ T5324] CPU: 1 PID: 5324 Comm: syz.1.178 Not tainted syzkaller #0
[  229.307032][ T5324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  229.317195][ T5324] Call Trace:
[  229.320516][ T5324]  <TASK>
[  229.323450][ T5324]  dump_stack_lvl+0x188/0x250
[  229.328237][ T5324]  ? show_regs_print_info+0x20/0x20
[  229.333724][ T5324]  ? load_image+0x410/0x410
[  229.338559][ T5324]  sysfs_create_dir_ns+0x26a/0x290
[  229.343673][ T5324]  ? sysfs_warn_dup+0xa0/0xa0
[  229.348338][ T5324]  ? do_raw_spin_unlock+0x11d/0x230
[  229.353700][ T5324]  kobject_add_internal+0x5ba/0xcd0
[  229.358897][ T5324]  kobject_init_and_add+0x128/0x190
[  229.364340][ T5324]  ? lockdep_softirqs_off+0x430/0x430
[  229.370092][ T5324]  ? kobject_add+0x230/0x230
[  229.374928][ T5324]  ? __init_swait_queue_head+0xa4/0x140
[  229.380614][ T5324]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.385465][ T5324]  ? gfs2_recover_set+0x240/0x240
[  229.390667][ T5324]  ? snprintf+0xe5/0x140
[  229.394902][ T5324]  ? __free_pages+0x95/0x1a0
[  229.399544][ T5324]  ? vscnprintf+0x80/0x80
[  229.404145][ T5324]  gfs2_fill_super+0x11ed/0x1ea0
[  229.409220][ T5324]  ? gfs2_reconfigure+0xd80/0xd80
[  229.414266][ T5324]  ? sb_set_blocksize+0xa5/0xe0
[  229.419371][ T5324]  get_tree_bdev+0x3e6/0x610
[  229.424145][ T5324]  ? gfs2_reconfigure+0xd80/0xd80
[  229.429801][ T5324]  gfs2_get_tree+0x4d/0x1e0
[  229.434389][ T5324]  vfs_get_tree+0x88/0x270
[  229.439036][ T5324]  do_new_mount+0x247/0xa40
[  229.443636][ T5324]  __se_sys_mount+0x2e3/0x3d0
[  229.448313][ T5324]  ? __x64_sys_mount+0xc0/0xc0
[  229.453164][ T5324]  ? lockdep_hardirqs_on+0x94/0x140
[  229.458362][ T5324]  ? __x64_sys_mount+0x1c/0xc0
[  229.463142][ T5324]  do_syscall_64+0x4c/0xa0
[  229.467565][ T5324]  ? clear_bhb_loop+0x30/0x80
[  229.473041][ T5324]  ? clear_bhb_loop+0x30/0x80
[  229.477809][ T5324]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.483873][ T5324] RIP: 0033:0x7fc6950ea60a
[  229.488293][ T5324] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  229.508445][ T5324] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.517157][ T5324] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  229.525606][ T5324] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  229.533908][ T5324] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  229.542060][ T5324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  229.550035][ T5324] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  229.558274][ T5324]  </TASK>
[  229.562446][ T5324] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.575888][ T5324] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.877834][ T5327] loop1: detected capacity change from 0 to 32768
[  229.927348][ T5327] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.935046][ T5327] CPU: 0 PID: 5327 Comm: syz.1.179 Not tainted syzkaller #0
[  229.942435][ T5327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  229.952767][ T5327] Call Trace:
[  229.956078][ T5327]  <TASK>
[  229.959633][ T5327]  dump_stack_lvl+0x188/0x250
[  229.964340][ T5327]  ? show_regs_print_info+0x20/0x20
[  229.969832][ T5327]  ? load_image+0x410/0x410
[  229.974382][ T5327]  sysfs_create_dir_ns+0x26a/0x290
[  229.979863][ T5327]  ? sysfs_warn_dup+0xa0/0xa0
[  229.984574][ T5327]  ? do_raw_spin_unlock+0x11d/0x230
[  229.989890][ T5327]  kobject_add_internal+0x5ba/0xcd0
[  229.995232][ T5327]  kobject_init_and_add+0x128/0x190
[  230.000466][ T5327]  ? lockdep_softirqs_off+0x430/0x430
[  230.005970][ T5327]  ? kobject_add+0x230/0x230
[  230.010586][ T5327]  ? __init_swait_queue_head+0xa4/0x140
[  230.016145][ T5327]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.020912][ T5327]  ? gfs2_recover_set+0x240/0x240
[  230.026105][ T5327]  ? snprintf+0xe5/0x140
[  230.030349][ T5327]  ? __free_pages+0x95/0x1a0
[  230.035031][ T5327]  ? vscnprintf+0x80/0x80
[  230.039713][ T5327]  gfs2_fill_super+0x11ed/0x1ea0
[  230.044750][ T5327]  ? gfs2_reconfigure+0xd80/0xd80
[  230.049938][ T5327]  ? sb_set_blocksize+0xa5/0xe0
[  230.054883][ T5327]  get_tree_bdev+0x3e6/0x610
[  230.059472][ T5327]  ? gfs2_reconfigure+0xd80/0xd80
[  230.064497][ T5327]  gfs2_get_tree+0x4d/0x1e0
[  230.069201][ T5327]  vfs_get_tree+0x88/0x270
[  230.074051][ T5327]  do_new_mount+0x247/0xa40
[  230.078916][ T5327]  __se_sys_mount+0x2e3/0x3d0
[  230.083888][ T5327]  ? __x64_sys_mount+0xc0/0xc0
[  230.088757][ T5327]  ? lockdep_hardirqs_on+0x94/0x140
[  230.093983][ T5327]  ? __x64_sys_mount+0x1c/0xc0
[  230.098843][ T5327]  do_syscall_64+0x4c/0xa0
[  230.103440][ T5327]  ? clear_bhb_loop+0x30/0x80
[  230.108111][ T5327]  ? clear_bhb_loop+0x30/0x80
[  230.112783][ T5327]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.118745][ T5327] RIP: 0033:0x7fc6950ea60a
[  230.123161][ T5327] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  230.143168][ T5327] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.151661][ T5327] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  230.159653][ T5327] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  230.167702][ T5327] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  230.175751][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.183886][ T5327] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  230.191944][ T5327]  </TASK>
[  230.198347][ T5327] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.211752][ T5327] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.541689][ T5329] loop1: detected capacity change from 0 to 32768
[  230.582260][ T5329] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.589807][ T5329] CPU: 0 PID: 5329 Comm: syz.1.180 Not tainted syzkaller #0
[  230.597118][ T5329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  230.607797][ T5329] Call Trace:
[  230.611182][ T5329]  <TASK>
[  230.614146][ T5329]  dump_stack_lvl+0x188/0x250
[  230.618935][ T5329]  ? show_regs_print_info+0x20/0x20
[  230.624289][ T5329]  ? load_image+0x410/0x410
[  230.629005][ T5329]  sysfs_create_dir_ns+0x26a/0x290
[  230.634137][ T5329]  ? sysfs_warn_dup+0xa0/0xa0
[  230.639052][ T5329]  ? do_raw_spin_unlock+0x11d/0x230
[  230.644441][ T5329]  kobject_add_internal+0x5ba/0xcd0
[  230.649815][ T5329]  kobject_init_and_add+0x128/0x190
[  230.655123][ T5329]  ? lockdep_softirqs_off+0x430/0x430
[  230.660697][ T5329]  ? kobject_add+0x230/0x230
[  230.665321][ T5329]  ? __init_swait_queue_head+0xa4/0x140
[  230.670984][ T5329]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.675919][ T5329]  ? gfs2_recover_set+0x240/0x240
[  230.681286][ T5329]  ? snprintf+0xe5/0x140
[  230.685533][ T5329]  ? __free_pages+0x95/0x1a0
[  230.690134][ T5329]  ? vscnprintf+0x80/0x80
[  230.694461][ T5329]  gfs2_fill_super+0x11ed/0x1ea0
[  230.699506][ T5329]  ? gfs2_reconfigure+0xd80/0xd80
[  230.704744][ T5329]  ? sb_set_blocksize+0xa5/0xe0
[  230.709678][ T5329]  get_tree_bdev+0x3e6/0x610
[  230.714448][ T5329]  ? gfs2_reconfigure+0xd80/0xd80
[  230.719602][ T5329]  gfs2_get_tree+0x4d/0x1e0
[  230.724115][ T5329]  vfs_get_tree+0x88/0x270
[  230.728621][ T5329]  do_new_mount+0x247/0xa40
[  230.733914][ T5329]  __se_sys_mount+0x2e3/0x3d0
[  230.738931][ T5329]  ? __x64_sys_mount+0xc0/0xc0
[  230.743704][ T5329]  ? lockdep_hardirqs_on+0x94/0x140
[  230.749257][ T5329]  ? __x64_sys_mount+0x1c/0xc0
[  230.754236][ T5329]  do_syscall_64+0x4c/0xa0
[  230.759502][ T5329]  ? clear_bhb_loop+0x30/0x80
[  230.764286][ T5329]  ? clear_bhb_loop+0x30/0x80
[  230.769356][ T5329]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.775597][ T5329] RIP: 0033:0x7fc6950ea60a
[  230.780134][ T5329] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  230.802396][ T5329] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.811347][ T5329] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  230.820104][ T5329] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  230.828274][ T5329] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  230.836463][ T5329] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  230.845435][ T5329] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  230.853942][ T5329]  </TASK>
[  230.859940][ T5329] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.873512][ T5329] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.182337][ T5331] loop1: detected capacity change from 0 to 32768
[  231.276390][ T5331] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.286716][ T5331] CPU: 0 PID: 5331 Comm: syz.1.181 Not tainted syzkaller #0
[  231.294564][ T5331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  231.304721][ T5331] Call Trace:
[  231.308126][ T5331]  <TASK>
[  231.311073][ T5331]  dump_stack_lvl+0x188/0x250
[  231.315867][ T5331]  ? show_regs_print_info+0x20/0x20
[  231.321176][ T5331]  ? load_image+0x410/0x410
[  231.325838][ T5331]  sysfs_create_dir_ns+0x26a/0x290
[  231.330983][ T5331]  ? sysfs_warn_dup+0xa0/0xa0
[  231.335679][ T5331]  ? do_raw_spin_unlock+0x11d/0x230
[  231.340989][ T5331]  kobject_add_internal+0x5ba/0xcd0
[  231.346203][ T5331]  kobject_init_and_add+0x128/0x190
[  231.352167][ T5331]  ? lockdep_softirqs_off+0x430/0x430
[  231.357628][ T5331]  ? kobject_add+0x230/0x230
[  231.362431][ T5331]  ? __init_swait_queue_head+0xa4/0x140
[  231.368449][ T5331]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.373225][ T5331]  ? gfs2_recover_set+0x240/0x240
[  231.378557][ T5331]  ? snprintf+0xe5/0x140
[  231.382793][ T5331]  ? __free_pages+0x95/0x1a0
[  231.387375][ T5331]  ? vscnprintf+0x80/0x80
[  231.391708][ T5331]  gfs2_fill_super+0x11ed/0x1ea0
[  231.396830][ T5331]  ? gfs2_reconfigure+0xd80/0xd80
[  231.402041][ T5331]  ? sb_set_blocksize+0xa5/0xe0
[  231.407296][ T5331]  get_tree_bdev+0x3e6/0x610
[  231.412002][ T5331]  ? gfs2_reconfigure+0xd80/0xd80
[  231.417206][ T5331]  gfs2_get_tree+0x4d/0x1e0
[  231.421738][ T5331]  vfs_get_tree+0x88/0x270
[  231.427401][ T5331]  do_new_mount+0x247/0xa40
[  231.431997][ T5331]  __se_sys_mount+0x2e3/0x3d0
[  231.436702][ T5331]  ? __x64_sys_mount+0xc0/0xc0
[  231.441736][ T5331]  ? lockdep_hardirqs_on+0x94/0x140
[  231.447431][ T5331]  ? __x64_sys_mount+0x1c/0xc0
[  231.452221][ T5331]  do_syscall_64+0x4c/0xa0
[  231.456645][ T5331]  ? clear_bhb_loop+0x30/0x80
[  231.461533][ T5331]  ? clear_bhb_loop+0x30/0x80
[  231.466303][ T5331]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.472792][ T5331] RIP: 0033:0x7fc6950ea60a
[  231.477287][ T5331] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  231.497058][ T5331] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.505730][ T5331] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  231.513788][ T5331] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  231.522390][ T5331] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  231.530564][ T5331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  231.538531][ T5331] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  231.546701][ T5331]  </TASK>
[  231.551050][ T5331] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.564768][ T5331] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.888191][ T5333] loop1: detected capacity change from 0 to 32768
[  231.957583][ T5333] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.965222][ T5333] CPU: 1 PID: 5333 Comm: syz.1.182 Not tainted syzkaller #0
[  231.972614][ T5333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  231.982987][ T5333] Call Trace:
[  231.986552][ T5333]  <TASK>
[  231.989506][ T5333]  dump_stack_lvl+0x188/0x250
[  231.994667][ T5333]  ? show_regs_print_info+0x20/0x20
[  231.999884][ T5333]  ? load_image+0x410/0x410
[  232.004957][ T5333]  sysfs_create_dir_ns+0x26a/0x290
[  232.010176][ T5333]  ? sysfs_warn_dup+0xa0/0xa0
[  232.015148][ T5333]  ? do_raw_spin_unlock+0x11d/0x230
[  232.021064][ T5333]  kobject_add_internal+0x5ba/0xcd0
[  232.026726][ T5333]  kobject_init_and_add+0x128/0x190
[  232.032033][ T5333]  ? lockdep_softirqs_off+0x430/0x430
[  232.037537][ T5333]  ? kobject_add+0x230/0x230
[  232.042322][ T5333]  ? __init_swait_queue_head+0xa4/0x140
[  232.048445][ T5333]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.053437][ T5333]  ? gfs2_recover_set+0x240/0x240
[  232.058642][ T5333]  ? snprintf+0xe5/0x140
[  232.062965][ T5333]  ? __free_pages+0x95/0x1a0
[  232.068072][ T5333]  ? vscnprintf+0x80/0x80
[  232.072683][ T5333]  gfs2_fill_super+0x11ed/0x1ea0
[  232.077820][ T5333]  ? gfs2_reconfigure+0xd80/0xd80
[  232.083207][ T5333]  ? sb_set_blocksize+0xa5/0xe0
[  232.088167][ T5333]  get_tree_bdev+0x3e6/0x610
[  232.092868][ T5333]  ? gfs2_reconfigure+0xd80/0xd80
[  232.097903][ T5333]  gfs2_get_tree+0x4d/0x1e0
[  232.102496][ T5333]  vfs_get_tree+0x88/0x270
[  232.107371][ T5333]  do_new_mount+0x247/0xa40
[  232.112495][ T5333]  __se_sys_mount+0x2e3/0x3d0
[  232.117268][ T5333]  ? __x64_sys_mount+0xc0/0xc0
[  232.122244][ T5333]  ? lockdep_hardirqs_on+0x94/0x140
[  232.127816][ T5333]  ? __x64_sys_mount+0x1c/0xc0
[  232.132832][ T5333]  do_syscall_64+0x4c/0xa0
[  232.137244][ T5333]  ? clear_bhb_loop+0x30/0x80
[  232.142008][ T5333]  ? clear_bhb_loop+0x30/0x80
[  232.146808][ T5333]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.152969][ T5333] RIP: 0033:0x7fc6950ea60a
[  232.157517][ T5333] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.177471][ T5333] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.186288][ T5333] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  232.194261][ T5333] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  232.202359][ T5333] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  232.210424][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  232.218480][ T5333] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  232.226718][ T5333]  </TASK>
[  232.231591][ T5333] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.245594][ T5333] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.576398][ T5335] loop1: detected capacity change from 0 to 32768
[  232.665980][ T5335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.673491][ T5335] CPU: 0 PID: 5335 Comm: syz.1.183 Not tainted syzkaller #0
[  232.680873][ T5335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  232.691411][ T5335] Call Trace:
[  232.694706][ T5335]  <TASK>
[  232.697653][ T5335]  dump_stack_lvl+0x188/0x250
[  232.702461][ T5335]  ? show_regs_print_info+0x20/0x20
[  232.708050][ T5335]  ? load_image+0x410/0x410
[  232.712674][ T5335]  sysfs_create_dir_ns+0x26a/0x290
[  232.717804][ T5335]  ? sysfs_warn_dup+0xa0/0xa0
[  232.722687][ T5335]  ? do_raw_spin_unlock+0x11d/0x230
[  232.728008][ T5335]  kobject_add_internal+0x5ba/0xcd0
[  232.733347][ T5335]  kobject_init_and_add+0x128/0x190
[  232.738640][ T5335]  ? lockdep_softirqs_off+0x430/0x430
[  232.744376][ T5335]  ? kobject_add+0x230/0x230
[  232.748961][ T5335]  ? __init_swait_queue_head+0xa4/0x140
[  232.754669][ T5335]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.759556][ T5335]  ? gfs2_recover_set+0x240/0x240
[  232.764675][ T5335]  ? snprintf+0xe5/0x140
[  232.769016][ T5335]  ? __free_pages+0x95/0x1a0
[  232.774470][ T5335]  ? vscnprintf+0x80/0x80
[  232.779004][ T5335]  gfs2_fill_super+0x11ed/0x1ea0
[  232.784054][ T5335]  ? gfs2_reconfigure+0xd80/0xd80
[  232.789262][ T5335]  ? sb_set_blocksize+0xa5/0xe0
[  232.794245][ T5335]  get_tree_bdev+0x3e6/0x610
[  232.798838][ T5335]  ? gfs2_reconfigure+0xd80/0xd80
[  232.803859][ T5335]  gfs2_get_tree+0x4d/0x1e0
[  232.808373][ T5335]  vfs_get_tree+0x88/0x270
[  232.812809][ T5335]  do_new_mount+0x247/0xa40
[  232.817395][ T5335]  __se_sys_mount+0x2e3/0x3d0
[  232.822070][ T5335]  ? __x64_sys_mount+0xc0/0xc0
[  232.826848][ T5335]  ? lockdep_hardirqs_on+0x94/0x140
[  232.832053][ T5335]  ? __x64_sys_mount+0x1c/0xc0
[  232.836907][ T5335]  do_syscall_64+0x4c/0xa0
[  232.841620][ T5335]  ? clear_bhb_loop+0x30/0x80
[  232.846480][ T5335]  ? clear_bhb_loop+0x30/0x80
[  232.851518][ T5335]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.857492][ T5335] RIP: 0033:0x7fc6950ea60a
[  232.862089][ T5335] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.882063][ T5335] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.890618][ T5335] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  232.898797][ T5335] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  232.907032][ T5335] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  232.915244][ T5335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  232.924273][ T5335] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  232.932451][ T5335]  </TASK>
[  232.936943][ T5335] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.950314][ T5335] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.294651][ T5337] loop1: detected capacity change from 0 to 32768
[  233.326193][ T5337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.333696][ T5337] CPU: 1 PID: 5337 Comm: syz.1.184 Not tainted syzkaller #0
[  233.341225][ T5337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  233.351381][ T5337] Call Trace:
[  233.354675][ T5337]  <TASK>
[  233.357617][ T5337]  dump_stack_lvl+0x188/0x250
[  233.362321][ T5337]  ? show_regs_print_info+0x20/0x20
[  233.367629][ T5337]  ? load_image+0x410/0x410
[  233.372179][ T5337]  sysfs_create_dir_ns+0x26a/0x290
[  233.378051][ T5337]  ? sysfs_warn_dup+0xa0/0xa0
[  233.382762][ T5337]  ? do_raw_spin_unlock+0x11d/0x230
[  233.388238][ T5337]  kobject_add_internal+0x5ba/0xcd0
[  233.393564][ T5337]  kobject_init_and_add+0x128/0x190
[  233.398797][ T5337]  ? lockdep_softirqs_off+0x430/0x430
[  233.404219][ T5337]  ? kobject_add+0x230/0x230
[  233.408921][ T5337]  ? __init_swait_queue_head+0xa4/0x140
[  233.414482][ T5337]  gfs2_sys_fs_add+0x24f/0x4b0
[  233.419497][ T5337]  ? gfs2_recover_set+0x240/0x240
[  233.424614][ T5337]  ? snprintf+0xe5/0x140
[  233.429034][ T5337]  ? __free_pages+0x95/0x1a0
[  233.433633][ T5337]  ? vscnprintf+0x80/0x80
[  233.438054][ T5337]  gfs2_fill_super+0x11ed/0x1ea0
[  233.442999][ T5337]  ? gfs2_reconfigure+0xd80/0xd80
[  233.448028][ T5337]  ? sb_set_blocksize+0xa5/0xe0
[  233.452967][ T5337]  get_tree_bdev+0x3e6/0x610
[  233.457872][ T5337]  ? gfs2_reconfigure+0xd80/0xd80
[  233.463237][ T5337]  gfs2_get_tree+0x4d/0x1e0
[  233.467836][ T5337]  vfs_get_tree+0x88/0x270
[  233.472698][ T5337]  do_new_mount+0x247/0xa40
[  233.477476][ T5337]  __se_sys_mount+0x2e3/0x3d0
[  233.482245][ T5337]  ? __x64_sys_mount+0xc0/0xc0
[  233.487263][ T5337]  ? lockdep_hardirqs_on+0x94/0x140
[  233.492582][ T5337]  ? __x64_sys_mount+0x1c/0xc0
[  233.497869][ T5337]  do_syscall_64+0x4c/0xa0
[  233.502457][ T5337]  ? clear_bhb_loop+0x30/0x80
[  233.507181][ T5337]  ? clear_bhb_loop+0x30/0x80
[  233.512250][ T5337]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.518262][ T5337] RIP: 0033:0x7fc6950ea60a
[  233.522682][ T5337] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  233.542589][ T5337] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.551006][ T5337] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  233.559208][ T5337] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  233.567385][ T5337] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  233.575740][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  233.583787][ T5337] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  233.592184][ T5337]  </TASK>
[  233.598081][ T5337] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  233.613275][ T5337] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  233.934891][ T5339] loop1: detected capacity change from 0 to 32768
[  233.977050][ T5339] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  233.985257][ T5339] CPU: 1 PID: 5339 Comm: syz.1.185 Not tainted syzkaller #0
[  233.992872][ T5339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  234.003289][ T5339] Call Trace:
[  234.006719][ T5339]  <TASK>
[  234.009668][ T5339]  dump_stack_lvl+0x188/0x250
[  234.014482][ T5339]  ? show_regs_print_info+0x20/0x20
[  234.020889][ T5339]  ? load_image+0x410/0x410
[  234.025974][ T5339]  sysfs_create_dir_ns+0x26a/0x290
[  234.031974][ T5339]  ? sysfs_warn_dup+0xa0/0xa0
[  234.036771][ T5339]  ? do_raw_spin_unlock+0x11d/0x230
[  234.042041][ T5339]  kobject_add_internal+0x5ba/0xcd0
[  234.047551][ T5339]  kobject_init_and_add+0x128/0x190
[  234.053483][ T5339]  ? lockdep_softirqs_off+0x430/0x430
[  234.059322][ T5339]  ? kobject_add+0x230/0x230
[  234.064183][ T5339]  ? __init_swait_queue_head+0xa4/0x140
[  234.070019][ T5339]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.074937][ T5339]  ? gfs2_recover_set+0x240/0x240
[  234.080179][ T5339]  ? snprintf+0xe5/0x140
[  234.084446][ T5339]  ? __free_pages+0x95/0x1a0
[  234.089235][ T5339]  ? vscnprintf+0x80/0x80
[  234.094344][ T5339]  gfs2_fill_super+0x11ed/0x1ea0
[  234.099622][ T5339]  ? gfs2_reconfigure+0xd80/0xd80
[  234.104789][ T5339]  ? sb_set_blocksize+0xa5/0xe0
[  234.109672][ T5339]  get_tree_bdev+0x3e6/0x610
[  234.114267][ T5339]  ? gfs2_reconfigure+0xd80/0xd80
[  234.119490][ T5339]  gfs2_get_tree+0x4d/0x1e0
[  234.124265][ T5339]  vfs_get_tree+0x88/0x270
[  234.128855][ T5339]  do_new_mount+0x247/0xa40
[  234.134409][ T5339]  __se_sys_mount+0x2e3/0x3d0
[  234.139695][ T5339]  ? __x64_sys_mount+0xc0/0xc0
[  234.144466][ T5339]  ? lockdep_hardirqs_on+0x94/0x140
[  234.150130][ T5339]  ? __x64_sys_mount+0x1c/0xc0
[  234.155381][ T5339]  do_syscall_64+0x4c/0xa0
[  234.160269][ T5339]  ? clear_bhb_loop+0x30/0x80
[  234.165193][ T5339]  ? clear_bhb_loop+0x30/0x80
[  234.169925][ T5339]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.176036][ T5339] RIP: 0033:0x7fc6950ea60a
[  234.180547][ T5339] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  234.200767][ T5339] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.209264][ T5339] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  234.217704][ T5339] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  234.225770][ T5339] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  234.233925][ T5339] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  234.241985][ T5339] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  234.249977][ T5339]  </TASK>
[  234.254333][ T5339] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.267880][ T5339] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/29 23:23:21 executed programs: 171
[  234.597526][ T5341] loop1: detected capacity change from 0 to 32768
[  234.616615][ T5341] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  234.624207][ T5341] CPU: 0 PID: 5341 Comm: syz.1.186 Not tainted syzkaller #0
[  234.631666][ T5341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  234.641824][ T5341] Call Trace:
[  234.645117][ T5341]  <TASK>
[  234.648242][ T5341]  dump_stack_lvl+0x188/0x250
[  234.653571][ T5341]  ? show_regs_print_info+0x20/0x20
[  234.659161][ T5341]  ? load_image+0x410/0x410
[  234.663944][ T5341]  sysfs_create_dir_ns+0x26a/0x290
[  234.669387][ T5341]  ? sysfs_warn_dup+0xa0/0xa0
[  234.674654][ T5341]  ? do_raw_spin_unlock+0x11d/0x230
[  234.680613][ T5341]  kobject_add_internal+0x5ba/0xcd0
[  234.686022][ T5341]  kobject_init_and_add+0x128/0x190
[  234.691448][ T5341]  ? lockdep_softirqs_off+0x430/0x430
[  234.696852][ T5341]  ? kobject_add+0x230/0x230
[  234.701758][ T5341]  ? __init_swait_queue_head+0xa4/0x140
[  234.707397][ T5341]  gfs2_sys_fs_add+0x24f/0x4b0
[  234.712194][ T5341]  ? gfs2_recover_set+0x240/0x240
[  234.717308][ T5341]  ? snprintf+0xe5/0x140
[  234.721553][ T5341]  ? __free_pages+0x95/0x1a0
[  234.726403][ T5341]  ? vscnprintf+0x80/0x80
[  234.731338][ T5341]  gfs2_fill_super+0x11ed/0x1ea0
[  234.736379][ T5341]  ? gfs2_reconfigure+0xd80/0xd80
[  234.741762][ T5341]  ? sb_set_blocksize+0xa5/0xe0
[  234.746706][ T5341]  get_tree_bdev+0x3e6/0x610
[  234.751293][ T5341]  ? gfs2_reconfigure+0xd80/0xd80
[  234.756315][ T5341]  gfs2_get_tree+0x4d/0x1e0
[  234.761123][ T5341]  vfs_get_tree+0x88/0x270
[  234.765810][ T5341]  do_new_mount+0x247/0xa40
[  234.770799][ T5341]  __se_sys_mount+0x2e3/0x3d0
[  234.775584][ T5341]  ? __x64_sys_mount+0xc0/0xc0
[  234.780490][ T5341]  ? lockdep_hardirqs_on+0x94/0x140
[  234.786117][ T5341]  ? __x64_sys_mount+0x1c/0xc0
[  234.791024][ T5341]  do_syscall_64+0x4c/0xa0
[  234.795434][ T5341]  ? clear_bhb_loop+0x30/0x80
[  234.800294][ T5341]  ? clear_bhb_loop+0x30/0x80
[  234.804967][ T5341]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.811036][ T5341] RIP: 0033:0x7fc6950ea60a
[  234.815638][ T5341] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  234.835611][ T5341] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.844343][ T5341] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  234.852541][ T5341] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  234.860515][ T5341] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  234.868479][ T5341] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  234.876441][ T5341] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  234.884424][ T5341]  </TASK>
[  234.888930][ T5341] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  234.902723][ T5341] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.231670][ T5343] loop1: detected capacity change from 0 to 32768
[  235.299497][ T5343] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.309794][ T5343] CPU: 0 PID: 5343 Comm: syz.1.187 Not tainted syzkaller #0
[  235.317457][ T5343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  235.328159][ T5343] Call Trace:
[  235.331461][ T5343]  <TASK>
[  235.334487][ T5343]  dump_stack_lvl+0x188/0x250
[  235.339186][ T5343]  ? show_regs_print_info+0x20/0x20
[  235.344415][ T5343]  ? load_image+0x410/0x410
[  235.349528][ T5343]  sysfs_create_dir_ns+0x26a/0x290
[  235.354661][ T5343]  ? sysfs_warn_dup+0xa0/0xa0
[  235.359615][ T5343]  ? do_raw_spin_unlock+0x11d/0x230
[  235.364836][ T5343]  kobject_add_internal+0x5ba/0xcd0
[  235.370147][ T5343]  kobject_init_and_add+0x128/0x190
[  235.375737][ T5343]  ? lockdep_softirqs_off+0x430/0x430
[  235.381331][ T5343]  ? kobject_add+0x230/0x230
[  235.385954][ T5343]  ? __init_swait_queue_head+0xa4/0x140
[  235.392279][ T5343]  gfs2_sys_fs_add+0x24f/0x4b0
[  235.397202][ T5343]  ? gfs2_recover_set+0x240/0x240
[  235.402401][ T5343]  ? snprintf+0xe5/0x140
[  235.406647][ T5343]  ? __free_pages+0x95/0x1a0
[  235.411538][ T5343]  ? vscnprintf+0x80/0x80
[  235.415879][ T5343]  gfs2_fill_super+0x11ed/0x1ea0
[  235.421005][ T5343]  ? gfs2_reconfigure+0xd80/0xd80
[  235.426137][ T5343]  ? sb_set_blocksize+0xa5/0xe0
[  235.430981][ T5343]  get_tree_bdev+0x3e6/0x610
[  235.435751][ T5343]  ? gfs2_reconfigure+0xd80/0xd80
[  235.440798][ T5343]  gfs2_get_tree+0x4d/0x1e0
[  235.445660][ T5343]  vfs_get_tree+0x88/0x270
[  235.450084][ T5343]  do_new_mount+0x247/0xa40
[  235.454601][ T5343]  __se_sys_mount+0x2e3/0x3d0
[  235.459274][ T5343]  ? __x64_sys_mount+0xc0/0xc0
[  235.464329][ T5343]  ? lockdep_hardirqs_on+0x94/0x140
[  235.469966][ T5343]  ? __x64_sys_mount+0x1c/0xc0
[  235.475455][ T5343]  do_syscall_64+0x4c/0xa0
[  235.479893][ T5343]  ? clear_bhb_loop+0x30/0x80
[  235.484701][ T5343]  ? clear_bhb_loop+0x30/0x80
[  235.489547][ T5343]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.495568][ T5343] RIP: 0033:0x7fc6950ea60a
[  235.500161][ T5343] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  235.520311][ T5343] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.528974][ T5343] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  235.536950][ T5343] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  235.545335][ T5343] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  235.553426][ T5343] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  235.561952][ T5343] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  235.570036][ T5343]  </TASK>
[  235.574686][ T5343] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  235.588358][ T5343] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  235.928090][ T5345] loop1: detected capacity change from 0 to 32768
[  235.985064][ T5345] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  235.992627][ T5345] CPU: 0 PID: 5345 Comm: syz.1.188 Not tainted syzkaller #0
[  236.000133][ T5345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  236.010295][ T5345] Call Trace:
[  236.013591][ T5345]  <TASK>
[  236.016638][ T5345]  dump_stack_lvl+0x188/0x250
[  236.021528][ T5345]  ? show_regs_print_info+0x20/0x20
[  236.027053][ T5345]  ? load_image+0x410/0x410
[  236.031672][ T5345]  sysfs_create_dir_ns+0x26a/0x290
[  236.036813][ T5345]  ? sysfs_warn_dup+0xa0/0xa0
[  236.041517][ T5345]  ? do_raw_spin_unlock+0x11d/0x230
[  236.046749][ T5345]  kobject_add_internal+0x5ba/0xcd0
[  236.051977][ T5345]  kobject_init_and_add+0x128/0x190
[  236.057614][ T5345]  ? lockdep_softirqs_off+0x430/0x430
[  236.063562][ T5345]  ? kobject_add+0x230/0x230
[  236.068226][ T5345]  ? __init_swait_queue_head+0xa4/0x140
[  236.074075][ T5345]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.079304][ T5345]  ? gfs2_recover_set+0x240/0x240
[  236.084442][ T5345]  ? snprintf+0xe5/0x140
[  236.089186][ T5345]  ? __free_pages+0x95/0x1a0
[  236.093975][ T5345]  ? vscnprintf+0x80/0x80
[  236.098330][ T5345]  gfs2_fill_super+0x11ed/0x1ea0
[  236.103371][ T5345]  ? gfs2_reconfigure+0xd80/0xd80
[  236.108404][ T5345]  ? sb_set_blocksize+0xa5/0xe0
[  236.113344][ T5345]  get_tree_bdev+0x3e6/0x610
[  236.118110][ T5345]  ? gfs2_reconfigure+0xd80/0xd80
[  236.123249][ T5345]  gfs2_get_tree+0x4d/0x1e0
[  236.127935][ T5345]  vfs_get_tree+0x88/0x270
[  236.132363][ T5345]  do_new_mount+0x247/0xa40
[  236.136869][ T5345]  __se_sys_mount+0x2e3/0x3d0
[  236.141554][ T5345]  ? __x64_sys_mount+0xc0/0xc0
[  236.146415][ T5345]  ? lockdep_hardirqs_on+0x94/0x140
[  236.151631][ T5345]  ? __x64_sys_mount+0x1c/0xc0
[  236.156704][ T5345]  do_syscall_64+0x4c/0xa0
[  236.161208][ T5345]  ? clear_bhb_loop+0x30/0x80
[  236.166247][ T5345]  ? clear_bhb_loop+0x30/0x80
[  236.170944][ T5345]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.177130][ T5345] RIP: 0033:0x7fc6950ea60a
[  236.181679][ T5345] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  236.201731][ T5345] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.210363][ T5345] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  236.218640][ T5345] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  236.226603][ T5345] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  236.234681][ T5345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.242816][ T5345] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  236.251048][ T5345]  </TASK>
[  236.255596][ T5345] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.269438][ T5345] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  236.590511][ T5347] loop1: detected capacity change from 0 to 32768
[  236.645525][ T5347] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  236.652965][ T5347] CPU: 0 PID: 5347 Comm: syz.1.189 Not tainted syzkaller #0
[  236.660535][ T5347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  236.670613][ T5347] Call Trace:
[  236.674026][ T5347]  <TASK>
[  236.676961][ T5347]  dump_stack_lvl+0x188/0x250
[  236.681660][ T5347]  ? show_regs_print_info+0x20/0x20
[  236.686904][ T5347]  ? load_image+0x410/0x410
[  236.691444][ T5347]  sysfs_create_dir_ns+0x26a/0x290
[  236.696942][ T5347]  ? sysfs_warn_dup+0xa0/0xa0
[  236.701641][ T5347]  ? do_raw_spin_unlock+0x11d/0x230
[  236.707160][ T5347]  kobject_add_internal+0x5ba/0xcd0
[  236.712599][ T5347]  kobject_init_and_add+0x128/0x190
[  236.717822][ T5347]  ? lockdep_softirqs_off+0x430/0x430
[  236.723765][ T5347]  ? kobject_add+0x230/0x230
[  236.728474][ T5347]  ? __init_swait_queue_head+0xa4/0x140
[  236.734106][ T5347]  gfs2_sys_fs_add+0x24f/0x4b0
[  236.738855][ T5347]  ? gfs2_recover_set+0x240/0x240
[  236.744045][ T5347]  ? snprintf+0xe5/0x140
[  236.748285][ T5347]  ? __free_pages+0x95/0x1a0
[  236.754438][ T5347]  ? vscnprintf+0x80/0x80
[  236.758906][ T5347]  gfs2_fill_super+0x11ed/0x1ea0
[  236.764053][ T5347]  ? gfs2_reconfigure+0xd80/0xd80
[  236.769193][ T5347]  ? sb_set_blocksize+0xa5/0xe0
[  236.774057][ T5347]  get_tree_bdev+0x3e6/0x610
[  236.778657][ T5347]  ? gfs2_reconfigure+0xd80/0xd80
[  236.783688][ T5347]  gfs2_get_tree+0x4d/0x1e0
[  236.788392][ T5347]  vfs_get_tree+0x88/0x270
[  236.793288][ T5347]  do_new_mount+0x247/0xa40
[  236.797794][ T5347]  __se_sys_mount+0x2e3/0x3d0
[  236.803003][ T5347]  ? __x64_sys_mount+0xc0/0xc0
[  236.807994][ T5347]  ? lockdep_hardirqs_on+0x94/0x140
[  236.813276][ T5347]  ? __x64_sys_mount+0x1c/0xc0
[  236.818120][ T5347]  do_syscall_64+0x4c/0xa0
[  236.822541][ T5347]  ? clear_bhb_loop+0x30/0x80
[  236.827750][ T5347]  ? clear_bhb_loop+0x30/0x80
[  236.832513][ T5347]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.838398][ T5347] RIP: 0033:0x7fc6950ea60a
[  236.842991][ T5347] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  236.863828][ T5347] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.872685][ T5347] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  236.881042][ T5347] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  236.889457][ T5347] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  236.897708][ T5347] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  236.906039][ T5347] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  236.914117][ T5347]  </TASK>
[  236.918462][ T5347] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  236.931907][ T5347] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.255204][ T5349] loop1: detected capacity change from 0 to 32768
[  237.303270][ T5349] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  237.311747][ T5349] CPU: 0 PID: 5349 Comm: syz.1.190 Not tainted syzkaller #0
[  237.319508][ T5349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  237.329871][ T5349] Call Trace:
[  237.333244][ T5349]  <TASK>
[  237.336178][ T5349]  dump_stack_lvl+0x188/0x250
[  237.340970][ T5349]  ? show_regs_print_info+0x20/0x20
[  237.346366][ T5349]  ? load_image+0x410/0x410
[  237.351010][ T5349]  sysfs_create_dir_ns+0x26a/0x290
[  237.356249][ T5349]  ? sysfs_warn_dup+0xa0/0xa0
[  237.361122][ T5349]  ? do_raw_spin_unlock+0x11d/0x230
[  237.366487][ T5349]  kobject_add_internal+0x5ba/0xcd0
[  237.371802][ T5349]  kobject_init_and_add+0x128/0x190
[  237.377021][ T5349]  ? lockdep_softirqs_off+0x430/0x430
[  237.382499][ T5349]  ? kobject_add+0x230/0x230
[  237.387353][ T5349]  ? __init_swait_queue_head+0xa4/0x140
[  237.392889][ T5349]  gfs2_sys_fs_add+0x24f/0x4b0
[  237.397671][ T5349]  ? gfs2_recover_set+0x240/0x240
[  237.402705][ T5349]  ? snprintf+0xe5/0x140
[  237.407114][ T5349]  ? __free_pages+0x95/0x1a0
[  237.411698][ T5349]  ? vscnprintf+0x80/0x80
[  237.416029][ T5349]  gfs2_fill_super+0x11ed/0x1ea0
[  237.421286][ T5349]  ? gfs2_reconfigure+0xd80/0xd80
[  237.426336][ T5349]  ? sb_set_blocksize+0xa5/0xe0
[  237.431396][ T5349]  get_tree_bdev+0x3e6/0x610
[  237.436048][ T5349]  ? gfs2_reconfigure+0xd80/0xd80
[  237.441640][ T5349]  gfs2_get_tree+0x4d/0x1e0
[  237.446396][ T5349]  vfs_get_tree+0x88/0x270
[  237.450898][ T5349]  do_new_mount+0x247/0xa40
[  237.455412][ T5349]  __se_sys_mount+0x2e3/0x3d0
[  237.460163][ T5349]  ? __x64_sys_mount+0xc0/0xc0
[  237.464924][ T5349]  ? lockdep_hardirqs_on+0x94/0x140
[  237.470212][ T5349]  ? __x64_sys_mount+0x1c/0xc0
[  237.475367][ T5349]  do_syscall_64+0x4c/0xa0
[  237.479784][ T5349]  ? clear_bhb_loop+0x30/0x80
[  237.484871][ T5349]  ? clear_bhb_loop+0x30/0x80
[  237.489542][ T5349]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.495874][ T5349] RIP: 0033:0x7fc6950ea60a
[  237.500377][ T5349] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  237.520655][ T5349] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.529280][ T5349] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  237.537507][ T5349] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  237.545659][ T5349] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  237.554010][ T5349] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  237.562322][ T5349] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  237.570398][ T5349]  </TASK>
[  237.574887][ T5349] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  237.588461][ T5349] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  237.922972][ T5351] loop1: detected capacity change from 0 to 32768
[  237.995888][ T5351] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.003406][ T5351] CPU: 0 PID: 5351 Comm: syz.1.191 Not tainted syzkaller #0
[  238.011171][ T5351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  238.021470][ T5351] Call Trace:
[  238.024761][ T5351]  <TASK>
[  238.027917][ T5351]  dump_stack_lvl+0x188/0x250
[  238.032705][ T5351]  ? show_regs_print_info+0x20/0x20
[  238.037957][ T5351]  ? load_image+0x410/0x410
[  238.042498][ T5351]  sysfs_create_dir_ns+0x26a/0x290
[  238.047804][ T5351]  ? sysfs_warn_dup+0xa0/0xa0
[  238.052503][ T5351]  ? do_raw_spin_unlock+0x11d/0x230
[  238.057723][ T5351]  kobject_add_internal+0x5ba/0xcd0
[  238.063060][ T5351]  kobject_init_and_add+0x128/0x190
[  238.068640][ T5351]  ? lockdep_softirqs_off+0x430/0x430
[  238.074837][ T5351]  ? kobject_add+0x230/0x230
[  238.079698][ T5351]  ? __init_swait_queue_head+0xa4/0x140
[  238.085447][ T5351]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.090327][ T5351]  ? gfs2_recover_set+0x240/0x240
[  238.096547][ T5351]  ? snprintf+0xe5/0x140
[  238.101983][ T5351]  ? __free_pages+0x95/0x1a0
[  238.107182][ T5351]  ? vscnprintf+0x80/0x80
[  238.111616][ T5351]  gfs2_fill_super+0x11ed/0x1ea0
[  238.117024][ T5351]  ? gfs2_reconfigure+0xd80/0xd80
[  238.122601][ T5351]  ? sb_set_blocksize+0xa5/0xe0
[  238.127783][ T5351]  get_tree_bdev+0x3e6/0x610
[  238.132869][ T5351]  ? gfs2_reconfigure+0xd80/0xd80
[  238.138823][ T5351]  gfs2_get_tree+0x4d/0x1e0
[  238.143533][ T5351]  vfs_get_tree+0x88/0x270
[  238.148468][ T5351]  do_new_mount+0x247/0xa40
[  238.153196][ T5351]  __se_sys_mount+0x2e3/0x3d0
[  238.158150][ T5351]  ? __x64_sys_mount+0xc0/0xc0
[  238.163676][ T5351]  ? lockdep_hardirqs_on+0x94/0x140
[  238.170515][ T5351]  ? __x64_sys_mount+0x1c/0xc0
[  238.177136][ T5351]  do_syscall_64+0x4c/0xa0
[  238.182032][ T5351]  ? clear_bhb_loop+0x30/0x80
[  238.188156][ T5351]  ? clear_bhb_loop+0x30/0x80
[  238.193629][ T5351]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.200350][ T5351] RIP: 0033:0x7fc6950ea60a
[  238.205316][ T5351] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  238.226631][ T5351] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.236080][ T5351] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  238.244675][ T5351] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  238.252955][ T5351] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  238.261584][ T5351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.269752][ T5351] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.277997][ T5351]  </TASK>
[  238.282566][ T5351] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.295836][ T5351] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  238.630379][ T5353] loop1: detected capacity change from 0 to 32768
[  238.692499][ T5353] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  238.700787][ T5353] CPU: 0 PID: 5353 Comm: syz.1.192 Not tainted syzkaller #0
[  238.708306][ T5353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  238.718485][ T5353] Call Trace:
[  238.721780][ T5353]  <TASK>
[  238.724727][ T5353]  dump_stack_lvl+0x188/0x250
[  238.729512][ T5353]  ? show_regs_print_info+0x20/0x20
[  238.734731][ T5353]  ? load_image+0x410/0x410
[  238.739258][ T5353]  sysfs_create_dir_ns+0x26a/0x290
[  238.744384][ T5353]  ? sysfs_warn_dup+0xa0/0xa0
[  238.749108][ T5353]  ? do_raw_spin_unlock+0x11d/0x230
[  238.754335][ T5353]  kobject_add_internal+0x5ba/0xcd0
[  238.759566][ T5353]  kobject_init_and_add+0x128/0x190
[  238.765427][ T5353]  ? lockdep_softirqs_off+0x430/0x430
[  238.770857][ T5353]  ? kobject_add+0x230/0x230
[  238.775694][ T5353]  ? __init_swait_queue_head+0xa4/0x140
[  238.781399][ T5353]  gfs2_sys_fs_add+0x24f/0x4b0
[  238.786456][ T5353]  ? gfs2_recover_set+0x240/0x240
[  238.791767][ T5353]  ? snprintf+0xe5/0x140
[  238.796524][ T5353]  ? __free_pages+0x95/0x1a0
[  238.801524][ T5353]  ? vscnprintf+0x80/0x80
[  238.805983][ T5353]  gfs2_fill_super+0x11ed/0x1ea0
[  238.810939][ T5353]  ? gfs2_reconfigure+0xd80/0xd80
[  238.816058][ T5353]  ? sb_set_blocksize+0xa5/0xe0
[  238.821175][ T5353]  get_tree_bdev+0x3e6/0x610
[  238.826306][ T5353]  ? gfs2_reconfigure+0xd80/0xd80
[  238.831354][ T5353]  gfs2_get_tree+0x4d/0x1e0
[  238.835875][ T5353]  vfs_get_tree+0x88/0x270
[  238.840474][ T5353]  do_new_mount+0x247/0xa40
[  238.845082][ T5353]  __se_sys_mount+0x2e3/0x3d0
[  238.849953][ T5353]  ? __x64_sys_mount+0xc0/0xc0
[  238.854720][ T5353]  ? lockdep_hardirqs_on+0x94/0x140
[  238.860136][ T5353]  ? __x64_sys_mount+0x1c/0xc0
[  238.864996][ T5353]  do_syscall_64+0x4c/0xa0
[  238.869490][ T5353]  ? clear_bhb_loop+0x30/0x80
[  238.874160][ T5353]  ? clear_bhb_loop+0x30/0x80
[  238.878921][ T5353]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.884911][ T5353] RIP: 0033:0x7fc6950ea60a
[  238.889327][ T5353] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  238.909317][ T5353] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.918218][ T5353] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  238.926451][ T5353] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  238.935020][ T5353] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  238.943265][ T5353] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  238.951501][ T5353] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  238.960522][ T5353]  </TASK>
[  238.964845][ T5353] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  238.978865][ T5353] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  239.307573][ T5355] loop1: detected capacity change from 0 to 32768
[  239.356954][ T5355] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  239.365975][ T5355] CPU: 0 PID: 5355 Comm: syz.1.193 Not tainted syzkaller #0
[  239.373699][ T5355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  239.384099][ T5355] Call Trace:
[  239.387395][ T5355]  <TASK>
[  239.390344][ T5355]  dump_stack_lvl+0x188/0x250
[  239.395044][ T5355]  ? show_regs_print_info+0x20/0x20
[  239.400747][ T5355]  ? load_image+0x410/0x410
[  239.405747][ T5355]  sysfs_create_dir_ns+0x26a/0x290
[  239.411275][ T5355]  ? sysfs_warn_dup+0xa0/0xa0
[  239.416063][ T5355]  ? do_raw_spin_unlock+0x11d/0x230
[  239.421388][ T5355]  kobject_add_internal+0x5ba/0xcd0
[  239.426651][ T5355]  kobject_init_and_add+0x128/0x190
[  239.431879][ T5355]  ? lockdep_softirqs_off+0x430/0x430
[  239.437285][ T5355]  ? kobject_add+0x230/0x230
[  239.442080][ T5355]  ? __init_swait_queue_head+0xa4/0x140
[  239.448010][ T5355]  gfs2_sys_fs_add+0x24f/0x4b0
[  239.453041][ T5355]  ? gfs2_recover_set+0x240/0x240
[  239.458280][ T5355]  ? snprintf+0xe5/0x140
[  239.462546][ T5355]  ? __free_pages+0x95/0x1a0
[  239.467419][ T5355]  ? vscnprintf+0x80/0x80
[  239.471909][ T5355]  gfs2_fill_super+0x11ed/0x1ea0
[  239.476862][ T5355]  ? gfs2_reconfigure+0xd80/0xd80
[  239.482029][ T5355]  ? sb_set_blocksize+0xa5/0xe0
[  239.487196][ T5355]  get_tree_bdev+0x3e6/0x610
[  239.492057][ T5355]  ? gfs2_reconfigure+0xd80/0xd80
[  239.497338][ T5355]  gfs2_get_tree+0x4d/0x1e0
[  239.501855][ T5355]  vfs_get_tree+0x88/0x270
[  239.506606][ T5355]  do_new_mount+0x247/0xa40
[  239.511119][ T5355]  __se_sys_mount+0x2e3/0x3d0
[  239.515862][ T5355]  ? __x64_sys_mount+0xc0/0xc0
[  239.521265][ T5355]  ? lockdep_hardirqs_on+0x94/0x140
[  239.526564][ T5355]  ? __x64_sys_mount+0x1c/0xc0
[  239.531543][ T5355]  do_syscall_64+0x4c/0xa0
[  239.536108][ T5355]  ? clear_bhb_loop+0x30/0x80
[  239.541070][ T5355]  ? clear_bhb_loop+0x30/0x80
[  239.546057][ T5355]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.552249][ T5355] RIP: 0033:0x7fc6950ea60a
[  239.556766][ T5355] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  239.576539][ T5355] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.585478][ T5355] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  239.593567][ T5355] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  239.601745][ T5355] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  239.610052][ T5355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  239.618142][ T5355] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  239.626541][ T5355]  </TASK>
[  239.630737][ T5355] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  239.644524][ T5355] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/29 23:23:27 executed programs: 179
[  239.961491][ T5357] loop1: detected capacity change from 0 to 32768
[  240.023322][ T5357] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.032496][ T5357] CPU: 0 PID: 5357 Comm: syz.1.194 Not tainted syzkaller #0
[  240.039822][ T5357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  240.049985][ T5357] Call Trace:
[  240.053293][ T5357]  <TASK>
[  240.056241][ T5357]  dump_stack_lvl+0x188/0x250
[  240.060944][ T5357]  ? show_regs_print_info+0x20/0x20
[  240.066168][ T5357]  ? load_image+0x410/0x410
[  240.070887][ T5357]  sysfs_create_dir_ns+0x26a/0x290
[  240.076024][ T5357]  ? sysfs_warn_dup+0xa0/0xa0
[  240.081339][ T5357]  ? do_raw_spin_unlock+0x11d/0x230
[  240.087094][ T5357]  kobject_add_internal+0x5ba/0xcd0
[  240.092330][ T5357]  kobject_init_and_add+0x128/0x190
[  240.097553][ T5357]  ? lockdep_softirqs_off+0x430/0x430
[  240.103114][ T5357]  ? kobject_add+0x230/0x230
[  240.108007][ T5357]  ? __init_swait_queue_head+0xa4/0x140
[  240.113560][ T5357]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.118503][ T5357]  ? gfs2_recover_set+0x240/0x240
[  240.123572][ T5357]  ? snprintf+0xe5/0x140
[  240.127891][ T5357]  ? __free_pages+0x95/0x1a0
[  240.132491][ T5357]  ? vscnprintf+0x80/0x80
[  240.136842][ T5357]  gfs2_fill_super+0x11ed/0x1ea0
[  240.141781][ T5357]  ? gfs2_reconfigure+0xd80/0xd80
[  240.146980][ T5357]  ? sb_set_blocksize+0xa5/0xe0
[  240.152021][ T5357]  get_tree_bdev+0x3e6/0x610
[  240.156780][ T5357]  ? gfs2_reconfigure+0xd80/0xd80
[  240.161902][ T5357]  gfs2_get_tree+0x4d/0x1e0
[  240.166419][ T5357]  vfs_get_tree+0x88/0x270
[  240.170931][ T5357]  do_new_mount+0x247/0xa40
[  240.175426][ T5357]  __se_sys_mount+0x2e3/0x3d0
[  240.180126][ T5357]  ? __x64_sys_mount+0xc0/0xc0
[  240.184968][ T5357]  ? lockdep_hardirqs_on+0x94/0x140
[  240.190241][ T5357]  ? __x64_sys_mount+0x1c/0xc0
[  240.195183][ T5357]  do_syscall_64+0x4c/0xa0
[  240.199585][ T5357]  ? clear_bhb_loop+0x30/0x80
[  240.204318][ T5357]  ? clear_bhb_loop+0x30/0x80
[  240.209140][ T5357]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.215212][ T5357] RIP: 0033:0x7fc6950ea60a
[  240.219623][ T5357] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.239436][ T5357] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.247843][ T5357] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  240.255936][ T5357] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  240.263979][ T5357] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  240.272367][ T5357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.280607][ T5357] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  240.288677][ T5357]  </TASK>
[  240.293025][ T5357] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.307102][ T5357] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  240.642571][ T5359] loop1: detected capacity change from 0 to 32768
[  240.695949][ T5359] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  240.703637][ T5359] CPU: 0 PID: 5359 Comm: syz.1.195 Not tainted syzkaller #0
[  240.711033][ T5359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  240.721366][ T5359] Call Trace:
[  240.724656][ T5359]  <TASK>
[  240.727640][ T5359]  dump_stack_lvl+0x188/0x250
[  240.732528][ T5359]  ? show_regs_print_info+0x20/0x20
[  240.738105][ T5359]  ? load_image+0x410/0x410
[  240.742641][ T5359]  sysfs_create_dir_ns+0x26a/0x290
[  240.747808][ T5359]  ? sysfs_warn_dup+0xa0/0xa0
[  240.752513][ T5359]  ? do_raw_spin_unlock+0x11d/0x230
[  240.757740][ T5359]  kobject_add_internal+0x5ba/0xcd0
[  240.762969][ T5359]  kobject_init_and_add+0x128/0x190
[  240.768280][ T5359]  ? lockdep_softirqs_off+0x430/0x430
[  240.773811][ T5359]  ? kobject_add+0x230/0x230
[  240.778407][ T5359]  ? __init_swait_queue_head+0xa4/0x140
[  240.784048][ T5359]  gfs2_sys_fs_add+0x24f/0x4b0
[  240.788808][ T5359]  ? gfs2_recover_set+0x240/0x240
[  240.794107][ T5359]  ? snprintf+0xe5/0x140
[  240.798365][ T5359]  ? __free_pages+0x95/0x1a0
[  240.803316][ T5359]  ? vscnprintf+0x80/0x80
[  240.807729][ T5359]  gfs2_fill_super+0x11ed/0x1ea0
[  240.812843][ T5359]  ? gfs2_reconfigure+0xd80/0xd80
[  240.818052][ T5359]  ? sb_set_blocksize+0xa5/0xe0
[  240.823109][ T5359]  get_tree_bdev+0x3e6/0x610
[  240.827987][ T5359]  ? gfs2_reconfigure+0xd80/0xd80
[  240.833344][ T5359]  gfs2_get_tree+0x4d/0x1e0
[  240.838314][ T5359]  vfs_get_tree+0x88/0x270
[  240.843095][ T5359]  do_new_mount+0x247/0xa40
[  240.847690][ T5359]  __se_sys_mount+0x2e3/0x3d0
[  240.852529][ T5359]  ? __x64_sys_mount+0xc0/0xc0
[  240.857406][ T5359]  ? lockdep_hardirqs_on+0x94/0x140
[  240.862687][ T5359]  ? __x64_sys_mount+0x1c/0xc0
[  240.867524][ T5359]  do_syscall_64+0x4c/0xa0
[  240.871924][ T5359]  ? clear_bhb_loop+0x30/0x80
[  240.876661][ T5359]  ? clear_bhb_loop+0x30/0x80
[  240.881328][ T5359]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.887290][ T5359] RIP: 0033:0x7fc6950ea60a
[  240.891713][ T5359] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  240.911714][ T5359] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.920210][ T5359] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  240.928353][ T5359] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  240.936584][ T5359] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  240.944749][ T5359] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  240.952801][ T5359] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  240.960791][ T5359]  </TASK>
[  240.965547][ T5359] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  240.979516][ T5359] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.293783][ T5361] loop1: detected capacity change from 0 to 32768
[  241.387070][ T5361] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  241.394637][ T5361] CPU: 1 PID: 5361 Comm: syz.1.196 Not tainted syzkaller #0
[  241.402031][ T5361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  241.412192][ T5361] Call Trace:
[  241.415490][ T5361]  <TASK>
[  241.418524][ T5361]  dump_stack_lvl+0x188/0x250
[  241.423407][ T5361]  ? show_regs_print_info+0x20/0x20
[  241.428642][ T5361]  ? load_image+0x410/0x410
[  241.433180][ T5361]  sysfs_create_dir_ns+0x26a/0x290
[  241.438317][ T5361]  ? sysfs_warn_dup+0xa0/0xa0
[  241.443110][ T5361]  ? do_raw_spin_unlock+0x11d/0x230
[  241.448411][ T5361]  kobject_add_internal+0x5ba/0xcd0
[  241.453741][ T5361]  kobject_init_and_add+0x128/0x190
[  241.459162][ T5361]  ? lockdep_softirqs_off+0x430/0x430
[  241.464978][ T5361]  ? kobject_add+0x230/0x230
[  241.469743][ T5361]  ? __init_swait_queue_head+0xa4/0x140
[  241.475476][ T5361]  gfs2_sys_fs_add+0x24f/0x4b0
[  241.480368][ T5361]  ? gfs2_recover_set+0x240/0x240
[  241.485510][ T5361]  ? snprintf+0xe5/0x140
[  241.489972][ T5361]  ? __free_pages+0x95/0x1a0
[  241.494717][ T5361]  ? vscnprintf+0x80/0x80
[  241.499054][ T5361]  gfs2_fill_super+0x11ed/0x1ea0
[  241.504234][ T5361]  ? gfs2_reconfigure+0xd80/0xd80
[  241.509310][ T5361]  ? sb_set_blocksize+0xa5/0xe0
[  241.514154][ T5361]  get_tree_bdev+0x3e6/0x610
[  241.518736][ T5361]  ? gfs2_reconfigure+0xd80/0xd80
[  241.523924][ T5361]  gfs2_get_tree+0x4d/0x1e0
[  241.528536][ T5361]  vfs_get_tree+0x88/0x270
[  241.532986][ T5361]  do_new_mount+0x247/0xa40
[  241.537597][ T5361]  __se_sys_mount+0x2e3/0x3d0
[  241.542500][ T5361]  ? __x64_sys_mount+0xc0/0xc0
[  241.547329][ T5361]  ? lockdep_hardirqs_on+0x94/0x140
[  241.552624][ T5361]  ? __x64_sys_mount+0x1c/0xc0
[  241.557476][ T5361]  do_syscall_64+0x4c/0xa0
[  241.561883][ T5361]  ? clear_bhb_loop+0x30/0x80
[  241.566555][ T5361]  ? clear_bhb_loop+0x30/0x80
[  241.571222][ T5361]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.577108][ T5361] RIP: 0033:0x7fc6950ea60a
[  241.581534][ T5361] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  241.601276][ T5361] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.609854][ T5361] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  241.617902][ T5361] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  241.625962][ T5361] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  241.634652][ T5361] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  241.642814][ T5361] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  241.651484][ T5361]  </TASK>
[  241.661002][ T5361] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  241.675260][ T5361] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  241.990097][ T5363] loop1: detected capacity change from 0 to 32768
[  242.068047][ T5363] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.076719][ T5363] CPU: 0 PID: 5363 Comm: syz.1.197 Not tainted syzkaller #0
[  242.084210][ T5363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  242.094546][ T5363] Call Trace:
[  242.097840][ T5363]  <TASK>
[  242.100795][ T5363]  dump_stack_lvl+0x188/0x250
[  242.105554][ T5363]  ? show_regs_print_info+0x20/0x20
[  242.110773][ T5363]  ? load_image+0x410/0x410
[  242.115297][ T5363]  sysfs_create_dir_ns+0x26a/0x290
[  242.120540][ T5363]  ? sysfs_warn_dup+0xa0/0xa0
[  242.125233][ T5363]  ? do_raw_spin_unlock+0x11d/0x230
[  242.130466][ T5363]  kobject_add_internal+0x5ba/0xcd0
[  242.135778][ T5363]  kobject_init_and_add+0x128/0x190
[  242.141057][ T5363]  ? lockdep_softirqs_off+0x430/0x430
[  242.146499][ T5363]  ? kobject_add+0x230/0x230
[  242.151224][ T5363]  ? __init_swait_queue_head+0xa4/0x140
[  242.157051][ T5363]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.162002][ T5363]  ? gfs2_recover_set+0x240/0x240
[  242.167080][ T5363]  ? snprintf+0xe5/0x140
[  242.171340][ T5363]  ? __free_pages+0x95/0x1a0
[  242.176190][ T5363]  ? vscnprintf+0x80/0x80
[  242.180711][ T5363]  gfs2_fill_super+0x11ed/0x1ea0
[  242.185749][ T5363]  ? gfs2_reconfigure+0xd80/0xd80
[  242.190786][ T5363]  ? sb_set_blocksize+0xa5/0xe0
[  242.195812][ T5363]  get_tree_bdev+0x3e6/0x610
[  242.200683][ T5363]  ? gfs2_reconfigure+0xd80/0xd80
[  242.205717][ T5363]  gfs2_get_tree+0x4d/0x1e0
[  242.210368][ T5363]  vfs_get_tree+0x88/0x270
[  242.214785][ T5363]  do_new_mount+0x247/0xa40
[  242.219375][ T5363]  __se_sys_mount+0x2e3/0x3d0
[  242.224074][ T5363]  ? __x64_sys_mount+0xc0/0xc0
[  242.228850][ T5363]  ? lockdep_hardirqs_on+0x94/0x140
[  242.234128][ T5363]  ? __x64_sys_mount+0x1c/0xc0
[  242.238880][ T5363]  do_syscall_64+0x4c/0xa0
[  242.243509][ T5363]  ? clear_bhb_loop+0x30/0x80
[  242.248275][ T5363]  ? clear_bhb_loop+0x30/0x80
[  242.253127][ T5363]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.259191][ T5363] RIP: 0033:0x7fc6950ea60a
[  242.263687][ T5363] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.283566][ T5363] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.292221][ T5363] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  242.300558][ T5363] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  242.308830][ T5363] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  242.317246][ T5363] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.325658][ T5363] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  242.333930][ T5363]  </TASK>
[  242.338798][ T5363] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  242.352938][ T5363] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  242.675317][ T5365] loop1: detected capacity change from 0 to 32768
[  242.723602][ T5365] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  242.731184][ T5365] CPU: 0 PID: 5365 Comm: syz.1.198 Not tainted syzkaller #0
[  242.738595][ T5365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  242.748988][ T5365] Call Trace:
[  242.752282][ T5365]  <TASK>
[  242.755229][ T5365]  dump_stack_lvl+0x188/0x250
[  242.759940][ T5365]  ? show_regs_print_info+0x20/0x20
[  242.765169][ T5365]  ? load_image+0x410/0x410
[  242.769768][ T5365]  sysfs_create_dir_ns+0x26a/0x290
[  242.774909][ T5365]  ? sysfs_warn_dup+0xa0/0xa0
[  242.779619][ T5365]  ? do_raw_spin_unlock+0x11d/0x230
[  242.785224][ T5365]  kobject_add_internal+0x5ba/0xcd0
[  242.790647][ T5365]  kobject_init_and_add+0x128/0x190
[  242.795868][ T5365]  ? lockdep_softirqs_off+0x430/0x430
[  242.801269][ T5365]  ? kobject_add+0x230/0x230
[  242.806259][ T5365]  ? __init_swait_queue_head+0xa4/0x140
[  242.812013][ T5365]  gfs2_sys_fs_add+0x24f/0x4b0
[  242.817065][ T5365]  ? gfs2_recover_set+0x240/0x240
[  242.822743][ T5365]  ? snprintf+0xe5/0x140
[  242.826986][ T5365]  ? __free_pages+0x95/0x1a0
[  242.831579][ T5365]  ? vscnprintf+0x80/0x80
[  242.836067][ T5365]  gfs2_fill_super+0x11ed/0x1ea0
[  242.841434][ T5365]  ? gfs2_reconfigure+0xd80/0xd80
[  242.846798][ T5365]  ? sb_set_blocksize+0xa5/0xe0
[  242.851882][ T5365]  get_tree_bdev+0x3e6/0x610
[  242.856592][ T5365]  ? gfs2_reconfigure+0xd80/0xd80
[  242.861728][ T5365]  gfs2_get_tree+0x4d/0x1e0
[  242.866331][ T5365]  vfs_get_tree+0x88/0x270
[  242.870748][ T5365]  do_new_mount+0x247/0xa40
[  242.875395][ T5365]  __se_sys_mount+0x2e3/0x3d0
[  242.880168][ T5365]  ? __x64_sys_mount+0xc0/0xc0
[  242.885431][ T5365]  ? lockdep_hardirqs_on+0x94/0x140
[  242.890755][ T5365]  ? __x64_sys_mount+0x1c/0xc0
[  242.895638][ T5365]  do_syscall_64+0x4c/0xa0
[  242.900870][ T5365]  ? clear_bhb_loop+0x30/0x80
[  242.906517][ T5365]  ? clear_bhb_loop+0x30/0x80
[  242.911291][ T5365]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.917406][ T5365] RIP: 0033:0x7fc6950ea60a
[  242.921906][ T5365] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  242.941674][ T5365] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.950632][ T5365] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  242.958610][ T5365] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  242.966673][ T5365] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  242.975171][ T5365] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  242.983148][ T5365] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  242.991504][ T5365]  </TASK>
[  242.995695][ T5365] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.009176][ T5365] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.321504][ T5367] loop1: detected capacity change from 0 to 32768
[  243.384507][ T5367] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  243.392102][ T5367] CPU: 0 PID: 5367 Comm: syz.1.199 Not tainted syzkaller #0
[  243.399503][ T5367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  243.409734][ T5367] Call Trace:
[  243.413068][ T5367]  <TASK>
[  243.416003][ T5367]  dump_stack_lvl+0x188/0x250
[  243.420705][ T5367]  ? show_regs_print_info+0x20/0x20
[  243.426038][ T5367]  ? load_image+0x410/0x410
[  243.430666][ T5367]  sysfs_create_dir_ns+0x26a/0x290
[  243.436005][ T5367]  ? sysfs_warn_dup+0xa0/0xa0
[  243.440712][ T5367]  ? do_raw_spin_unlock+0x11d/0x230
[  243.445933][ T5367]  kobject_add_internal+0x5ba/0xcd0
[  243.451341][ T5367]  kobject_init_and_add+0x128/0x190
[  243.456734][ T5367]  ? lockdep_softirqs_off+0x430/0x430
[  243.462168][ T5367]  ? kobject_add+0x230/0x230
[  243.466812][ T5367]  ? __init_swait_queue_head+0xa4/0x140
[  243.472401][ T5367]  gfs2_sys_fs_add+0x24f/0x4b0
[  243.477513][ T5367]  ? gfs2_recover_set+0x240/0x240
[  243.482709][ T5367]  ? snprintf+0xe5/0x140
[  243.487127][ T5367]  ? __free_pages+0x95/0x1a0
[  243.491870][ T5367]  ? vscnprintf+0x80/0x80
[  243.496560][ T5367]  gfs2_fill_super+0x11ed/0x1ea0
[  243.501594][ T5367]  ? gfs2_reconfigure+0xd80/0xd80
[  243.506798][ T5367]  ? sb_set_blocksize+0xa5/0xe0
[  243.511888][ T5367]  get_tree_bdev+0x3e6/0x610
[  243.516499][ T5367]  ? gfs2_reconfigure+0xd80/0xd80
[  243.521535][ T5367]  gfs2_get_tree+0x4d/0x1e0
[  243.526034][ T5367]  vfs_get_tree+0x88/0x270
[  243.530440][ T5367]  do_new_mount+0x247/0xa40
[  243.534968][ T5367]  __se_sys_mount+0x2e3/0x3d0
[  243.539888][ T5367]  ? __x64_sys_mount+0xc0/0xc0
[  243.544644][ T5367]  ? lockdep_hardirqs_on+0x94/0x140
[  243.549829][ T5367]  ? __x64_sys_mount+0x1c/0xc0
[  243.554594][ T5367]  do_syscall_64+0x4c/0xa0
[  243.559199][ T5367]  ? clear_bhb_loop+0x30/0x80
[  243.563855][ T5367]  ? clear_bhb_loop+0x30/0x80
[  243.568537][ T5367]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.574524][ T5367] RIP: 0033:0x7fc6950ea60a
[  243.579092][ T5367] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  243.599477][ T5367] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.608001][ T5367] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  243.615977][ T5367] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  243.623962][ T5367] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  243.632032][ T5367] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  243.640004][ T5367] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  243.648464][ T5367]  </TASK>
[  243.653072][ T5367] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  243.666959][ T5367] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  243.986266][ T5369] loop1: detected capacity change from 0 to 32768
[  244.043514][ T5369] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.051970][ T5369] CPU: 1 PID: 5369 Comm: syz.1.200 Not tainted syzkaller #0
[  244.059636][ T5369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  244.070499][ T5369] Call Trace:
[  244.074318][ T5369]  <TASK>
[  244.077392][ T5369]  dump_stack_lvl+0x188/0x250
[  244.083094][ T5369]  ? show_regs_print_info+0x20/0x20
[  244.089752][ T5369]  ? load_image+0x410/0x410
[  244.094379][ T5369]  sysfs_create_dir_ns+0x26a/0x290
[  244.099717][ T5369]  ? sysfs_warn_dup+0xa0/0xa0
[  244.104499][ T5369]  ? do_raw_spin_unlock+0x11d/0x230
[  244.109719][ T5369]  kobject_add_internal+0x5ba/0xcd0
[  244.115556][ T5369]  kobject_init_and_add+0x128/0x190
[  244.120811][ T5369]  ? lockdep_softirqs_off+0x430/0x430
[  244.126218][ T5369]  ? kobject_add+0x230/0x230
[  244.130929][ T5369]  ? __init_swait_queue_head+0xa4/0x140
[  244.136565][ T5369]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.141480][ T5369]  ? gfs2_recover_set+0x240/0x240
[  244.146612][ T5369]  ? snprintf+0xe5/0x140
[  244.151108][ T5369]  ? __free_pages+0x95/0x1a0
[  244.155895][ T5369]  ? vscnprintf+0x80/0x80
[  244.160390][ T5369]  gfs2_fill_super+0x11ed/0x1ea0
[  244.165587][ T5369]  ? gfs2_reconfigure+0xd80/0xd80
[  244.170638][ T5369]  ? sb_set_blocksize+0xa5/0xe0
[  244.175486][ T5369]  get_tree_bdev+0x3e6/0x610
[  244.180117][ T5369]  ? gfs2_reconfigure+0xd80/0xd80
[  244.185230][ T5369]  gfs2_get_tree+0x4d/0x1e0
[  244.189735][ T5369]  vfs_get_tree+0x88/0x270
[  244.194354][ T5369]  do_new_mount+0x247/0xa40
[  244.199179][ T5369]  __se_sys_mount+0x2e3/0x3d0
[  244.203970][ T5369]  ? __x64_sys_mount+0xc0/0xc0
[  244.208995][ T5369]  ? lockdep_hardirqs_on+0x94/0x140
[  244.214194][ T5369]  ? __x64_sys_mount+0x1c/0xc0
[  244.219111][ T5369]  do_syscall_64+0x4c/0xa0
[  244.223522][ T5369]  ? clear_bhb_loop+0x30/0x80
[  244.228274][ T5369]  ? clear_bhb_loop+0x30/0x80
[  244.232989][ T5369]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.238886][ T5369] RIP: 0033:0x7fc6950ea60a
[  244.243381][ T5369] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.263537][ T5369] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.272243][ T5369] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  244.280402][ T5369] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  244.288665][ T5369] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  244.296717][ T5369] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.304706][ T5369] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  244.312891][ T5369]  </TASK>
[  244.317207][ T5369] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.330510][ T5369] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  244.632926][ T5371] loop1: detected capacity change from 0 to 32768
[  244.684194][ T5371] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  244.691885][ T5371] CPU: 0 PID: 5371 Comm: syz.1.201 Not tainted syzkaller #0
[  244.699281][ T5371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  244.709652][ T5371] Call Trace:
[  244.713110][ T5371]  <TASK>
[  244.716077][ T5371]  dump_stack_lvl+0x188/0x250
[  244.720892][ T5371]  ? show_regs_print_info+0x20/0x20
[  244.726254][ T5371]  ? load_image+0x410/0x410
[  244.730795][ T5371]  sysfs_create_dir_ns+0x26a/0x290
[  244.736021][ T5371]  ? sysfs_warn_dup+0xa0/0xa0
[  244.740822][ T5371]  ? do_raw_spin_unlock+0x11d/0x230
[  244.746226][ T5371]  kobject_add_internal+0x5ba/0xcd0
[  244.751477][ T5371]  kobject_init_and_add+0x128/0x190
[  244.756786][ T5371]  ? lockdep_softirqs_off+0x430/0x430
[  244.762421][ T5371]  ? kobject_add+0x230/0x230
[  244.767109][ T5371]  ? __init_swait_queue_head+0xa4/0x140
[  244.772720][ T5371]  gfs2_sys_fs_add+0x24f/0x4b0
[  244.777672][ T5371]  ? gfs2_recover_set+0x240/0x240
[  244.783036][ T5371]  ? snprintf+0xe5/0x140
[  244.787436][ T5371]  ? __free_pages+0x95/0x1a0
[  244.792270][ T5371]  ? vscnprintf+0x80/0x80
[  244.796654][ T5371]  gfs2_fill_super+0x11ed/0x1ea0
[  244.801702][ T5371]  ? gfs2_reconfigure+0xd80/0xd80
[  244.806727][ T5371]  ? sb_set_blocksize+0xa5/0xe0
[  244.811877][ T5371]  get_tree_bdev+0x3e6/0x610
[  244.816731][ T5371]  ? gfs2_reconfigure+0xd80/0xd80
[  244.822098][ T5371]  gfs2_get_tree+0x4d/0x1e0
[  244.827201][ T5371]  vfs_get_tree+0x88/0x270
[  244.831803][ T5371]  do_new_mount+0x247/0xa40
[  244.836424][ T5371]  __se_sys_mount+0x2e3/0x3d0
[  244.841349][ T5371]  ? __x64_sys_mount+0xc0/0xc0
[  244.846228][ T5371]  ? lockdep_hardirqs_on+0x94/0x140
[  244.851625][ T5371]  ? __x64_sys_mount+0x1c/0xc0
[  244.856485][ T5371]  do_syscall_64+0x4c/0xa0
[  244.861061][ T5371]  ? clear_bhb_loop+0x30/0x80
[  244.865851][ T5371]  ? clear_bhb_loop+0x30/0x80
[  244.870512][ T5371]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.876480][ T5371] RIP: 0033:0x7fc6950ea60a
[  244.880967][ T5371] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  244.900671][ T5371] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.909253][ T5371] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  244.917225][ T5371] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  244.925191][ T5371] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  244.933144][ T5371] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  244.941095][ T5371] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  244.949196][ T5371]  </TASK>
[  244.953314][ T5371] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  244.966545][ T5371] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/29 23:23:32 executed programs: 187
[  245.286008][ T5373] loop1: detected capacity change from 0 to 32768
[  245.332919][ T5373] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  245.340535][ T5373] CPU: 0 PID: 5373 Comm: syz.1.202 Not tainted syzkaller #0
[  245.348078][ T5373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  245.358263][ T5373] Call Trace:
[  245.361864][ T5373]  <TASK>
[  245.365319][ T5373]  dump_stack_lvl+0x188/0x250
[  245.370025][ T5373]  ? show_regs_print_info+0x20/0x20
[  245.375248][ T5373]  ? load_image+0x410/0x410
[  245.379776][ T5373]  sysfs_create_dir_ns+0x26a/0x290
[  245.385519][ T5373]  ? sysfs_warn_dup+0xa0/0xa0
[  245.390309][ T5373]  ? do_raw_spin_unlock+0x11d/0x230
[  245.395711][ T5373]  kobject_add_internal+0x5ba/0xcd0
[  245.401197][ T5373]  kobject_init_and_add+0x128/0x190
[  245.406429][ T5373]  ? lockdep_softirqs_off+0x430/0x430
[  245.412003][ T5373]  ? kobject_add+0x230/0x230
[  245.416746][ T5373]  ? __init_swait_queue_head+0xa4/0x140
[  245.422509][ T5373]  gfs2_sys_fs_add+0x24f/0x4b0
[  245.427471][ T5373]  ? gfs2_recover_set+0x240/0x240
[  245.432664][ T5373]  ? snprintf+0xe5/0x140
[  245.436894][ T5373]  ? __free_pages+0x95/0x1a0
[  245.441475][ T5373]  ? vscnprintf+0x80/0x80
[  245.445995][ T5373]  gfs2_fill_super+0x11ed/0x1ea0
[  245.450957][ T5373]  ? gfs2_reconfigure+0xd80/0xd80
[  245.456264][ T5373]  ? sb_set_blocksize+0xa5/0xe0
[  245.461454][ T5373]  get_tree_bdev+0x3e6/0x610
[  245.466059][ T5373]  ? gfs2_reconfigure+0xd80/0xd80
[  245.471169][ T5373]  gfs2_get_tree+0x4d/0x1e0
[  245.476505][ T5373]  vfs_get_tree+0x88/0x270
[  245.481128][ T5373]  do_new_mount+0x247/0xa40
[  245.485745][ T5373]  __se_sys_mount+0x2e3/0x3d0
[  245.490581][ T5373]  ? __x64_sys_mount+0xc0/0xc0
[  245.495608][ T5373]  ? lockdep_hardirqs_on+0x94/0x140
[  245.500838][ T5373]  ? __x64_sys_mount+0x1c/0xc0
[  245.505799][ T5373]  do_syscall_64+0x4c/0xa0
[  245.510246][ T5373]  ? clear_bhb_loop+0x30/0x80
[  245.514936][ T5373]  ? clear_bhb_loop+0x30/0x80
[  245.519717][ T5373]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.525627][ T5373] RIP: 0033:0x7fc6950ea60a
[  245.530187][ T5373] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  245.550266][ T5373] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.558779][ T5373] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  245.566759][ T5373] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  245.574833][ T5373] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  245.582904][ T5373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  245.590982][ T5373] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  245.599051][ T5373]  </TASK>
[  245.607995][ T5373] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  245.622317][ T5373] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  245.945546][ T5375] loop1: detected capacity change from 0 to 32768
[  245.999850][ T5375] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.011633][ T5375] CPU: 1 PID: 5375 Comm: syz.1.203 Not tainted syzkaller #0
[  246.019171][ T5375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  246.029508][ T5375] Call Trace:
[  246.033336][ T5375]  <TASK>
[  246.036715][ T5375]  dump_stack_lvl+0x188/0x250
[  246.041424][ T5375]  ? show_regs_print_info+0x20/0x20
[  246.046644][ T5375]  ? load_image+0x410/0x410
[  246.051180][ T5375]  sysfs_create_dir_ns+0x26a/0x290
[  246.056743][ T5375]  ? sysfs_warn_dup+0xa0/0xa0
[  246.061440][ T5375]  ? do_raw_spin_unlock+0x11d/0x230
[  246.067109][ T5375]  kobject_add_internal+0x5ba/0xcd0
[  246.072346][ T5375]  kobject_init_and_add+0x128/0x190
[  246.078755][ T5375]  ? lockdep_softirqs_off+0x430/0x430
[  246.084698][ T5375]  ? kobject_add+0x230/0x230
[  246.089807][ T5375]  ? __init_swait_queue_head+0xa4/0x140
[  246.095557][ T5375]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.100520][ T5375]  ? gfs2_recover_set+0x240/0x240
[  246.105773][ T5375]  ? snprintf+0xe5/0x140
[  246.110238][ T5375]  ? __free_pages+0x95/0x1a0
[  246.114823][ T5375]  ? vscnprintf+0x80/0x80
[  246.119150][ T5375]  gfs2_fill_super+0x11ed/0x1ea0
[  246.124201][ T5375]  ? gfs2_reconfigure+0xd80/0xd80
[  246.129417][ T5375]  ? sb_set_blocksize+0xa5/0xe0
[  246.134367][ T5375]  get_tree_bdev+0x3e6/0x610
[  246.139168][ T5375]  ? gfs2_reconfigure+0xd80/0xd80
[  246.144195][ T5375]  gfs2_get_tree+0x4d/0x1e0
[  246.148729][ T5375]  vfs_get_tree+0x88/0x270
[  246.153265][ T5375]  do_new_mount+0x247/0xa40
[  246.157798][ T5375]  __se_sys_mount+0x2e3/0x3d0
[  246.162490][ T5375]  ? __x64_sys_mount+0xc0/0xc0
[  246.167353][ T5375]  ? lockdep_hardirqs_on+0x94/0x140
[  246.172855][ T5375]  ? __x64_sys_mount+0x1c/0xc0
[  246.177718][ T5375]  do_syscall_64+0x4c/0xa0
[  246.182312][ T5375]  ? clear_bhb_loop+0x30/0x80
[  246.187066][ T5375]  ? clear_bhb_loop+0x30/0x80
[  246.191940][ T5375]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.197916][ T5375] RIP: 0033:0x7fc6950ea60a
[  246.202542][ T5375] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.222591][ T5375] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.231120][ T5375] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  246.239092][ T5375] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  246.247102][ T5375] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  246.255101][ T5375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.263265][ T5375] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.271569][ T5375]  </TASK>
[  246.275867][ T5375] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.289130][ T5375] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  246.621660][ T5377] loop1: detected capacity change from 0 to 32768
[  246.668978][ T5377] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  246.676765][ T5377] CPU: 0 PID: 5377 Comm: syz.1.204 Not tainted syzkaller #0
[  246.684535][ T5377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  246.694696][ T5377] Call Trace:
[  246.698172][ T5377]  <TASK>
[  246.701202][ T5377]  dump_stack_lvl+0x188/0x250
[  246.706204][ T5377]  ? show_regs_print_info+0x20/0x20
[  246.711946][ T5377]  ? load_image+0x410/0x410
[  246.716608][ T5377]  sysfs_create_dir_ns+0x26a/0x290
[  246.722152][ T5377]  ? sysfs_warn_dup+0xa0/0xa0
[  246.726878][ T5377]  ? do_raw_spin_unlock+0x11d/0x230
[  246.732109][ T5377]  kobject_add_internal+0x5ba/0xcd0
[  246.737345][ T5377]  kobject_init_and_add+0x128/0x190
[  246.742966][ T5377]  ? lockdep_softirqs_off+0x430/0x430
[  246.748514][ T5377]  ? kobject_add+0x230/0x230
[  246.753425][ T5377]  ? __init_swait_queue_head+0xa4/0x140
[  246.759291][ T5377]  gfs2_sys_fs_add+0x24f/0x4b0
[  246.764285][ T5377]  ? gfs2_recover_set+0x240/0x240
[  246.769556][ T5377]  ? snprintf+0xe5/0x140
[  246.773826][ T5377]  ? __free_pages+0x95/0x1a0
[  246.778577][ T5377]  ? vscnprintf+0x80/0x80
[  246.782922][ T5377]  gfs2_fill_super+0x11ed/0x1ea0
[  246.787875][ T5377]  ? gfs2_reconfigure+0xd80/0xd80
[  246.792895][ T5377]  ? sb_set_blocksize+0xa5/0xe0
[  246.797991][ T5377]  get_tree_bdev+0x3e6/0x610
[  246.802579][ T5377]  ? gfs2_reconfigure+0xd80/0xd80
[  246.807793][ T5377]  gfs2_get_tree+0x4d/0x1e0
[  246.812300][ T5377]  vfs_get_tree+0x88/0x270
[  246.816740][ T5377]  do_new_mount+0x247/0xa40
[  246.821249][ T5377]  __se_sys_mount+0x2e3/0x3d0
[  246.826102][ T5377]  ? __x64_sys_mount+0xc0/0xc0
[  246.831122][ T5377]  ? lockdep_hardirqs_on+0x94/0x140
[  246.836668][ T5377]  ? __x64_sys_mount+0x1c/0xc0
[  246.841733][ T5377]  do_syscall_64+0x4c/0xa0
[  246.846412][ T5377]  ? clear_bhb_loop+0x30/0x80
[  246.851149][ T5377]  ? clear_bhb_loop+0x30/0x80
[  246.856146][ T5377]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.862519][ T5377] RIP: 0033:0x7fc6950ea60a
[  246.867123][ T5377] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  246.886906][ T5377] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.895310][ T5377] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  246.903375][ T5377] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  246.911700][ T5377] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  246.919839][ T5377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  246.928496][ T5377] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  246.936707][ T5377]  </TASK>
[  246.941100][ T5377] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  246.954527][ T5377] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.276591][ T5379] loop1: detected capacity change from 0 to 32768
[  247.324197][ T5379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  247.331894][ T5379] CPU: 1 PID: 5379 Comm: syz.1.205 Not tainted syzkaller #0
[  247.339197][ T5379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  247.349353][ T5379] Call Trace:
[  247.352732][ T5379]  <TASK>
[  247.355672][ T5379]  dump_stack_lvl+0x188/0x250
[  247.360369][ T5379]  ? show_regs_print_info+0x20/0x20
[  247.365666][ T5379]  ? load_image+0x410/0x410
[  247.370203][ T5379]  sysfs_create_dir_ns+0x26a/0x290
[  247.375511][ T5379]  ? sysfs_warn_dup+0xa0/0xa0
[  247.380208][ T5379]  ? do_raw_spin_unlock+0x11d/0x230
[  247.385514][ T5379]  kobject_add_internal+0x5ba/0xcd0
[  247.390739][ T5379]  kobject_init_and_add+0x128/0x190
[  247.396056][ T5379]  ? lockdep_softirqs_off+0x430/0x430
[  247.401455][ T5379]  ? kobject_add+0x230/0x230
[  247.406167][ T5379]  ? __init_swait_queue_head+0xa4/0x140
[  247.411830][ T5379]  gfs2_sys_fs_add+0x24f/0x4b0
[  247.417090][ T5379]  ? gfs2_recover_set+0x240/0x240
[  247.422531][ T5379]  ? snprintf+0xe5/0x140
[  247.426960][ T5379]  ? __free_pages+0x95/0x1a0
[  247.432170][ T5379]  ? vscnprintf+0x80/0x80
[  247.436803][ T5379]  gfs2_fill_super+0x11ed/0x1ea0
[  247.441935][ T5379]  ? gfs2_reconfigure+0xd80/0xd80
[  247.446961][ T5379]  ? sb_set_blocksize+0xa5/0xe0
[  247.451824][ T5379]  get_tree_bdev+0x3e6/0x610
[  247.456515][ T5379]  ? gfs2_reconfigure+0xd80/0xd80
[  247.462673][ T5379]  gfs2_get_tree+0x4d/0x1e0
[  247.467367][ T5379]  vfs_get_tree+0x88/0x270
[  247.471796][ T5379]  do_new_mount+0x247/0xa40
[  247.476698][ T5379]  __se_sys_mount+0x2e3/0x3d0
[  247.481483][ T5379]  ? __x64_sys_mount+0xc0/0xc0
[  247.486351][ T5379]  ? lockdep_hardirqs_on+0x94/0x140
[  247.492007][ T5379]  ? __x64_sys_mount+0x1c/0xc0
[  247.496784][ T5379]  do_syscall_64+0x4c/0xa0
[  247.501415][ T5379]  ? clear_bhb_loop+0x30/0x80
[  247.506106][ T5379]  ? clear_bhb_loop+0x30/0x80
[  247.510817][ T5379]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.516934][ T5379] RIP: 0033:0x7fc6950ea60a
[  247.521434][ T5379] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  247.541746][ T5379] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.550525][ T5379] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  247.558773][ T5379] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  247.567063][ T5379] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  247.575166][ T5379] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  247.583502][ T5379] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  247.591646][ T5379]  </TASK>
[  247.595743][ T5379] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  247.610100][ T5379] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  247.684366][    T7] Bluetooth: hci1: command 0x0406 tx timeout
[  247.961944][ T5381] loop1: detected capacity change from 0 to 32768
[  248.058203][ T5381] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.065940][ T5381] CPU: 0 PID: 5381 Comm: syz.1.206 Not tainted syzkaller #0
[  248.073327][ T5381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  248.083831][ T5381] Call Trace:
[  248.087308][ T5381]  <TASK>
[  248.090292][ T5381]  dump_stack_lvl+0x188/0x250
[  248.095334][ T5381]  ? show_regs_print_info+0x20/0x20
[  248.100545][ T5381]  ? load_image+0x410/0x410
[  248.105333][ T5381]  sysfs_create_dir_ns+0x26a/0x290
[  248.110953][ T5381]  ? sysfs_warn_dup+0xa0/0xa0
[  248.117129][ T5381]  ? do_raw_spin_unlock+0x11d/0x230
[  248.122612][ T5381]  kobject_add_internal+0x5ba/0xcd0
[  248.127841][ T5381]  kobject_init_and_add+0x128/0x190
[  248.133188][ T5381]  ? lockdep_softirqs_off+0x430/0x430
[  248.138789][ T5381]  ? kobject_add+0x230/0x230
[  248.143668][ T5381]  ? __init_swait_queue_head+0xa4/0x140
[  248.149761][ T5381]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.154616][ T5381]  ? gfs2_recover_set+0x240/0x240
[  248.159633][ T5381]  ? snprintf+0xe5/0x140
[  248.163864][ T5381]  ? __free_pages+0x95/0x1a0
[  248.168682][ T5381]  ? vscnprintf+0x80/0x80
[  248.173066][ T5381]  gfs2_fill_super+0x11ed/0x1ea0
[  248.178237][ T5381]  ? gfs2_reconfigure+0xd80/0xd80
[  248.183639][ T5381]  ? sb_set_blocksize+0xa5/0xe0
[  248.188713][ T5381]  get_tree_bdev+0x3e6/0x610
[  248.193542][ T5381]  ? gfs2_reconfigure+0xd80/0xd80
[  248.198867][ T5381]  gfs2_get_tree+0x4d/0x1e0
[  248.203821][ T5381]  vfs_get_tree+0x88/0x270
[  248.208234][ T5381]  do_new_mount+0x247/0xa40
[  248.213520][ T5381]  __se_sys_mount+0x2e3/0x3d0
[  248.219096][ T5381]  ? __x64_sys_mount+0xc0/0xc0
[  248.223885][ T5381]  ? lockdep_hardirqs_on+0x94/0x140
[  248.230254][ T5381]  ? __x64_sys_mount+0x1c/0xc0
[  248.235518][ T5381]  do_syscall_64+0x4c/0xa0
[  248.240106][ T5381]  ? clear_bhb_loop+0x30/0x80
[  248.244935][ T5381]  ? clear_bhb_loop+0x30/0x80
[  248.249668][ T5381]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.255733][ T5381] RIP: 0033:0x7fc6950ea60a
[  248.260457][ T5381] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.280540][ T5381] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.289569][ T5381] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  248.297725][ T5381] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  248.305788][ T5381] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  248.314305][ T5381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  248.322493][ T5381] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  248.330490][ T5381]  </TASK>
[  248.334962][ T5381] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  248.348815][ T5381] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  248.670021][ T5383] loop1: detected capacity change from 0 to 32768
[  248.744738][ T5383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  248.752172][ T5383] CPU: 0 PID: 5383 Comm: syz.1.207 Not tainted syzkaller #0
[  248.759468][ T5383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  248.769954][ T5383] Call Trace:
[  248.773241][ T5383]  <TASK>
[  248.776266][ T5383]  dump_stack_lvl+0x188/0x250
[  248.781016][ T5383]  ? show_regs_print_info+0x20/0x20
[  248.786242][ T5383]  ? load_image+0x410/0x410
[  248.790778][ T5383]  sysfs_create_dir_ns+0x26a/0x290
[  248.796003][ T5383]  ? sysfs_warn_dup+0xa0/0xa0
[  248.801299][ T5383]  ? do_raw_spin_unlock+0x11d/0x230
[  248.806690][ T5383]  kobject_add_internal+0x5ba/0xcd0
[  248.811917][ T5383]  kobject_init_and_add+0x128/0x190
[  248.817274][ T5383]  ? lockdep_softirqs_off+0x430/0x430
[  248.822902][ T5383]  ? kobject_add+0x230/0x230
[  248.827900][ T5383]  ? __init_swait_queue_head+0xa4/0x140
[  248.833909][ T5383]  gfs2_sys_fs_add+0x24f/0x4b0
[  248.838954][ T5383]  ? gfs2_recover_set+0x240/0x240
[  248.844391][ T5383]  ? snprintf+0xe5/0x140
[  248.848737][ T5383]  ? __free_pages+0x95/0x1a0
[  248.853409][ T5383]  ? vscnprintf+0x80/0x80
[  248.857829][ T5383]  gfs2_fill_super+0x11ed/0x1ea0
[  248.862857][ T5383]  ? gfs2_reconfigure+0xd80/0xd80
[  248.867883][ T5383]  ? sb_set_blocksize+0xa5/0xe0
[  248.872722][ T5383]  get_tree_bdev+0x3e6/0x610
[  248.877295][ T5383]  ? gfs2_reconfigure+0xd80/0xd80
[  248.882309][ T5383]  gfs2_get_tree+0x4d/0x1e0
[  248.886815][ T5383]  vfs_get_tree+0x88/0x270
[  248.891406][ T5383]  do_new_mount+0x247/0xa40
[  248.895919][ T5383]  __se_sys_mount+0x2e3/0x3d0
[  248.900602][ T5383]  ? __x64_sys_mount+0xc0/0xc0
[  248.905775][ T5383]  ? lockdep_hardirqs_on+0x94/0x140
[  248.910998][ T5383]  ? __x64_sys_mount+0x1c/0xc0
[  248.915927][ T5383]  do_syscall_64+0x4c/0xa0
[  248.920646][ T5383]  ? clear_bhb_loop+0x30/0x80
[  248.925414][ T5383]  ? clear_bhb_loop+0x30/0x80
[  248.930236][ T5383]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.936143][ T5383] RIP: 0033:0x7fc6950ea60a
[  248.940565][ T5383] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  248.960397][ T5383] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.968815][ T5383] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  248.977304][ T5383] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  248.985674][ T5383] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  248.993907][ T5383] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  249.002055][ T5383] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  249.010737][ T5383]  </TASK>
[  249.015285][ T5383] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.028787][ T5383] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.331342][ T5385] loop1: detected capacity change from 0 to 32768
[  249.385325][ T5385] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  249.392749][ T5385] CPU: 0 PID: 5385 Comm: syz.1.208 Not tainted syzkaller #0
[  249.400175][ T5385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  249.410375][ T5385] Call Trace:
[  249.413676][ T5385]  <TASK>
[  249.416621][ T5385]  dump_stack_lvl+0x188/0x250
[  249.421319][ T5385]  ? show_regs_print_info+0x20/0x20
[  249.426758][ T5385]  ? load_image+0x410/0x410
[  249.431659][ T5385]  sysfs_create_dir_ns+0x26a/0x290
[  249.436987][ T5385]  ? sysfs_warn_dup+0xa0/0xa0
[  249.441780][ T5385]  ? do_raw_spin_unlock+0x11d/0x230
[  249.447010][ T5385]  kobject_add_internal+0x5ba/0xcd0
[  249.452434][ T5385]  kobject_init_and_add+0x128/0x190
[  249.457965][ T5385]  ? lockdep_softirqs_off+0x430/0x430
[  249.463367][ T5385]  ? kobject_add+0x230/0x230
[  249.467986][ T5385]  ? __init_swait_queue_head+0xa4/0x140
[  249.473875][ T5385]  gfs2_sys_fs_add+0x24f/0x4b0
[  249.478919][ T5385]  ? gfs2_recover_set+0x240/0x240
[  249.485835][ T5385]  ? snprintf+0xe5/0x140
[  249.490254][ T5385]  ? __free_pages+0x95/0x1a0
[  249.494982][ T5385]  ? vscnprintf+0x80/0x80
[  249.499656][ T5385]  gfs2_fill_super+0x11ed/0x1ea0
[  249.504686][ T5385]  ? gfs2_reconfigure+0xd80/0xd80
[  249.509957][ T5385]  ? sb_set_blocksize+0xa5/0xe0
[  249.515043][ T5385]  get_tree_bdev+0x3e6/0x610
[  249.519723][ T5385]  ? gfs2_reconfigure+0xd80/0xd80
[  249.524737][ T5385]  gfs2_get_tree+0x4d/0x1e0
[  249.529457][ T5385]  vfs_get_tree+0x88/0x270
[  249.534062][ T5385]  do_new_mount+0x247/0xa40
[  249.538575][ T5385]  __se_sys_mount+0x2e3/0x3d0
[  249.543553][ T5385]  ? __x64_sys_mount+0xc0/0xc0
[  249.548316][ T5385]  ? lockdep_hardirqs_on+0x94/0x140
[  249.553740][ T5385]  ? __x64_sys_mount+0x1c/0xc0
[  249.558527][ T5385]  do_syscall_64+0x4c/0xa0
[  249.563258][ T5385]  ? clear_bhb_loop+0x30/0x80
[  249.567932][ T5385]  ? clear_bhb_loop+0x30/0x80
[  249.572605][ T5385]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.578936][ T5385] RIP: 0033:0x7fc6950ea60a
[  249.583485][ T5385] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  249.603254][ T5385] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.612853][ T5385] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  249.621385][ T5385] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  249.629466][ T5385] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  249.638053][ T5385] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  249.647030][ T5385] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  249.655317][ T5385]  </TASK>
[  249.659404][ T5385] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  249.673388][ T5385] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  249.987826][ T5387] loop1: detected capacity change from 0 to 32768
[  250.036757][ T5387] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.045776][ T5387] CPU: 0 PID: 5387 Comm: syz.1.209 Not tainted syzkaller #0
[  250.053189][ T5387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  250.063439][ T5387] Call Trace:
[  250.066734][ T5387]  <TASK>
[  250.069726][ T5387]  dump_stack_lvl+0x188/0x250
[  250.074452][ T5387]  ? show_regs_print_info+0x20/0x20
[  250.080018][ T5387]  ? load_image+0x410/0x410
[  250.084909][ T5387]  sysfs_create_dir_ns+0x26a/0x290
[  250.090772][ T5387]  ? sysfs_warn_dup+0xa0/0xa0
[  250.095588][ T5387]  ? do_raw_spin_unlock+0x11d/0x230
[  250.100921][ T5387]  kobject_add_internal+0x5ba/0xcd0
[  250.106247][ T5387]  kobject_init_and_add+0x128/0x190
[  250.111840][ T5387]  ? lockdep_softirqs_off+0x430/0x430
[  250.117511][ T5387]  ? kobject_add+0x230/0x230
[  250.122129][ T5387]  ? __init_swait_queue_head+0xa4/0x140
[  250.127731][ T5387]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.132632][ T5387]  ? gfs2_recover_set+0x240/0x240
[  250.137855][ T5387]  ? snprintf+0xe5/0x140
[  250.142117][ T5387]  ? __free_pages+0x95/0x1a0
[  250.146718][ T5387]  ? vscnprintf+0x80/0x80
[  250.151043][ T5387]  gfs2_fill_super+0x11ed/0x1ea0
[  250.155980][ T5387]  ? gfs2_reconfigure+0xd80/0xd80
[  250.161012][ T5387]  ? sb_set_blocksize+0xa5/0xe0
[  250.165851][ T5387]  get_tree_bdev+0x3e6/0x610
[  250.170436][ T5387]  ? gfs2_reconfigure+0xd80/0xd80
[  250.175442][ T5387]  gfs2_get_tree+0x4d/0x1e0
[  250.179946][ T5387]  vfs_get_tree+0x88/0x270
[  250.184353][ T5387]  do_new_mount+0x247/0xa40
[  250.188927][ T5387]  __se_sys_mount+0x2e3/0x3d0
[  250.193588][ T5387]  ? __x64_sys_mount+0xc0/0xc0
[  250.198342][ T5387]  ? lockdep_hardirqs_on+0x94/0x140
[  250.203705][ T5387]  ? __x64_sys_mount+0x1c/0xc0
[  250.208474][ T5387]  do_syscall_64+0x4c/0xa0
[  250.212944][ T5387]  ? clear_bhb_loop+0x30/0x80
[  250.217919][ T5387]  ? clear_bhb_loop+0x30/0x80
[  250.222678][ T5387]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.228647][ T5387] RIP: 0033:0x7fc6950ea60a
[  250.233074][ T5387] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.253600][ T5387] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.262404][ T5387] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  250.270377][ T5387] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  250.278438][ T5387] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  250.286696][ T5387] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.294940][ T5387] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  250.303040][ T5387]  </TASK>
[  250.307417][ T5387] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.321320][ T5387] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/29 23:23:37 executed programs: 195
[  250.648853][ T5389] loop1: detected capacity change from 0 to 32768
[  250.702203][ T5389] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  250.710002][ T5389] CPU: 0 PID: 5389 Comm: syz.1.210 Not tainted syzkaller #0
[  250.717731][ T5389] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  250.728395][ T5389] Call Trace:
[  250.731870][ T5389]  <TASK>
[  250.734911][ T5389]  dump_stack_lvl+0x188/0x250
[  250.739615][ T5389]  ? show_regs_print_info+0x20/0x20
[  250.744922][ T5389]  ? load_image+0x410/0x410
[  250.749549][ T5389]  sysfs_create_dir_ns+0x26a/0x290
[  250.754865][ T5389]  ? sysfs_warn_dup+0xa0/0xa0
[  250.759655][ T5389]  ? do_raw_spin_unlock+0x11d/0x230
[  250.764993][ T5389]  kobject_add_internal+0x5ba/0xcd0
[  250.770431][ T5389]  kobject_init_and_add+0x128/0x190
[  250.775652][ T5389]  ? lockdep_softirqs_off+0x430/0x430
[  250.781146][ T5389]  ? kobject_add+0x230/0x230
[  250.786018][ T5389]  ? __init_swait_queue_head+0xa4/0x140
[  250.791748][ T5389]  gfs2_sys_fs_add+0x24f/0x4b0
[  250.796514][ T5389]  ? gfs2_recover_set+0x240/0x240
[  250.801526][ T5389]  ? snprintf+0xe5/0x140
[  250.805942][ T5389]  ? __free_pages+0x95/0x1a0
[  250.810584][ T5389]  ? vscnprintf+0x80/0x80
[  250.815013][ T5389]  gfs2_fill_super+0x11ed/0x1ea0
[  250.820186][ T5389]  ? gfs2_reconfigure+0xd80/0xd80
[  250.825441][ T5389]  ? sb_set_blocksize+0xa5/0xe0
[  250.830462][ T5389]  get_tree_bdev+0x3e6/0x610
[  250.835315][ T5389]  ? gfs2_reconfigure+0xd80/0xd80
[  250.840553][ T5389]  gfs2_get_tree+0x4d/0x1e0
[  250.845164][ T5389]  vfs_get_tree+0x88/0x270
[  250.849793][ T5389]  do_new_mount+0x247/0xa40
[  250.854311][ T5389]  __se_sys_mount+0x2e3/0x3d0
[  250.859082][ T5389]  ? __x64_sys_mount+0xc0/0xc0
[  250.863838][ T5389]  ? lockdep_hardirqs_on+0x94/0x140
[  250.869041][ T5389]  ? __x64_sys_mount+0x1c/0xc0
[  250.874405][ T5389]  do_syscall_64+0x4c/0xa0
[  250.878826][ T5389]  ? clear_bhb_loop+0x30/0x80
[  250.883993][ T5389]  ? clear_bhb_loop+0x30/0x80
[  250.889130][ T5389]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.895461][ T5389] RIP: 0033:0x7fc6950ea60a
[  250.900145][ T5389] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  250.919913][ T5389] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.928412][ T5389] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  250.936515][ T5389] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  250.945273][ T5389] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  250.953336][ T5389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  250.961683][ T5389] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  250.969944][ T5389]  </TASK>
[  250.974525][ T5389] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  250.988472][ T5389] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  251.351652][ T5391] loop1: detected capacity change from 0 to 32768
[  251.405407][ T5391] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  251.413111][ T5391] CPU: 0 PID: 5391 Comm: syz.1.211 Not tainted syzkaller #0
[  251.420759][ T5391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  251.431091][ T5391] Call Trace:
[  251.434390][ T5391]  <TASK>
[  251.437334][ T5391]  dump_stack_lvl+0x188/0x250
[  251.442172][ T5391]  ? show_regs_print_info+0x20/0x20
[  251.447394][ T5391]  ? load_image+0x410/0x410
[  251.451928][ T5391]  sysfs_create_dir_ns+0x26a/0x290
[  251.457060][ T5391]  ? sysfs_warn_dup+0xa0/0xa0
[  251.461866][ T5391]  ? do_raw_spin_unlock+0x11d/0x230
[  251.467088][ T5391]  kobject_add_internal+0x5ba/0xcd0
[  251.472404][ T5391]  kobject_init_and_add+0x128/0x190
[  251.477623][ T5391]  ? lockdep_softirqs_off+0x430/0x430
[  251.483024][ T5391]  ? kobject_add+0x230/0x230
[  251.487758][ T5391]  ? __init_swait_queue_head+0xa4/0x140
[  251.493471][ T5391]  gfs2_sys_fs_add+0x24f/0x4b0
[  251.498353][ T5391]  ? gfs2_recover_set+0x240/0x240
[  251.503412][ T5391]  ? snprintf+0xe5/0x140
[  251.507749][ T5391]  ? __free_pages+0x95/0x1a0
[  251.512439][ T5391]  ? vscnprintf+0x80/0x80
[  251.516775][ T5391]  gfs2_fill_super+0x11ed/0x1ea0
[  251.522078][ T5391]  ? gfs2_reconfigure+0xd80/0xd80
[  251.527309][ T5391]  ? sb_set_blocksize+0xa5/0xe0
[  251.532174][ T5391]  get_tree_bdev+0x3e6/0x610
[  251.536866][ T5391]  ? gfs2_reconfigure+0xd80/0xd80
[  251.541901][ T5391]  gfs2_get_tree+0x4d/0x1e0
[  251.546480][ T5391]  vfs_get_tree+0x88/0x270
[  251.551079][ T5391]  do_new_mount+0x247/0xa40
[  251.555658][ T5391]  __se_sys_mount+0x2e3/0x3d0
[  251.560521][ T5391]  ? __x64_sys_mount+0xc0/0xc0
[  251.565498][ T5391]  ? lockdep_hardirqs_on+0x94/0x140
[  251.570993][ T5391]  ? __x64_sys_mount+0x1c/0xc0
[  251.575797][ T5391]  do_syscall_64+0x4c/0xa0
[  251.580388][ T5391]  ? clear_bhb_loop+0x30/0x80
[  251.585087][ T5391]  ? clear_bhb_loop+0x30/0x80
[  251.589763][ T5391]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.595743][ T5391] RIP: 0033:0x7fc6950ea60a
[  251.600284][ T5391] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  251.620271][ T5391] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.629066][ T5391] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  251.637739][ T5391] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  251.645714][ T5391] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  251.653775][ T5391] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  251.661958][ T5391] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  251.670214][ T5391]  </TASK>
[  251.674677][ T5391] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  251.688911][ T5391] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.012429][ T5393] loop1: detected capacity change from 0 to 32768
[  252.054283][ T5393] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.062020][ T5393] CPU: 1 PID: 5393 Comm: syz.1.212 Not tainted syzkaller #0
[  252.069508][ T5393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  252.081211][ T5393] Call Trace:
[  252.084628][ T5393]  <TASK>
[  252.087679][ T5393]  dump_stack_lvl+0x188/0x250
[  252.092775][ T5393]  ? show_regs_print_info+0x20/0x20
[  252.098260][ T5393]  ? load_image+0x410/0x410
[  252.102976][ T5393]  sysfs_create_dir_ns+0x26a/0x290
[  252.108298][ T5393]  ? sysfs_warn_dup+0xa0/0xa0
[  252.113282][ T5393]  ? do_raw_spin_unlock+0x11d/0x230
[  252.118936][ T5393]  kobject_add_internal+0x5ba/0xcd0
[  252.124509][ T5393]  kobject_init_and_add+0x128/0x190
[  252.130012][ T5393]  ? lockdep_softirqs_off+0x430/0x430
[  252.135604][ T5393]  ? kobject_add+0x230/0x230
[  252.140324][ T5393]  ? __init_swait_queue_head+0xa4/0x140
[  252.146433][ T5393]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.151390][ T5393]  ? gfs2_recover_set+0x240/0x240
[  252.156504][ T5393]  ? snprintf+0xe5/0x140
[  252.160747][ T5393]  ? __free_pages+0x95/0x1a0
[  252.165334][ T5393]  ? vscnprintf+0x80/0x80
[  252.169849][ T5393]  gfs2_fill_super+0x11ed/0x1ea0
[  252.174801][ T5393]  ? gfs2_reconfigure+0xd80/0xd80
[  252.179850][ T5393]  ? sb_set_blocksize+0xa5/0xe0
[  252.184872][ T5393]  get_tree_bdev+0x3e6/0x610
[  252.189465][ T5393]  ? gfs2_reconfigure+0xd80/0xd80
[  252.194481][ T5393]  gfs2_get_tree+0x4d/0x1e0
[  252.199665][ T5393]  vfs_get_tree+0x88/0x270
[  252.204455][ T5393]  do_new_mount+0x247/0xa40
[  252.208987][ T5393]  __se_sys_mount+0x2e3/0x3d0
[  252.213760][ T5393]  ? __x64_sys_mount+0xc0/0xc0
[  252.218677][ T5393]  ? lockdep_hardirqs_on+0x94/0x140
[  252.224552][ T5393]  ? __x64_sys_mount+0x1c/0xc0
[  252.229669][ T5393]  do_syscall_64+0x4c/0xa0
[  252.234092][ T5393]  ? clear_bhb_loop+0x30/0x80
[  252.238753][ T5393]  ? clear_bhb_loop+0x30/0x80
[  252.243890][ T5393]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.250218][ T5393] RIP: 0033:0x7fc6950ea60a
[  252.255105][ T5393] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.275403][ T5393] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.283815][ T5393] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  252.291793][ T5393] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  252.299956][ T5393] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  252.308352][ T5393] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.316593][ T5393] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  252.324765][ T5393]  </TASK>
[  252.336195][ T5393] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.350646][ T5393] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  252.679976][ T5395] loop1: detected capacity change from 0 to 32768
[  252.691325][ T5395] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  252.699251][ T5395] CPU: 0 PID: 5395 Comm: syz.1.213 Not tainted syzkaller #0
[  252.708062][ T5395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  252.719789][ T5395] Call Trace:
[  252.723705][ T5395]  <TASK>
[  252.727010][ T5395]  dump_stack_lvl+0x188/0x250
[  252.731993][ T5395]  ? show_regs_print_info+0x20/0x20
[  252.737359][ T5395]  ? load_image+0x410/0x410
[  252.742045][ T5395]  sysfs_create_dir_ns+0x26a/0x290
[  252.747374][ T5395]  ? sysfs_warn_dup+0xa0/0xa0
[  252.752078][ T5395]  ? do_raw_spin_unlock+0x11d/0x230
[  252.757396][ T5395]  kobject_add_internal+0x5ba/0xcd0
[  252.762759][ T5395]  kobject_init_and_add+0x128/0x190
[  252.767983][ T5395]  ? lockdep_softirqs_off+0x430/0x430
[  252.773636][ T5395]  ? kobject_add+0x230/0x230
[  252.778494][ T5395]  ? __init_swait_queue_head+0xa4/0x140
[  252.784189][ T5395]  gfs2_sys_fs_add+0x24f/0x4b0
[  252.789064][ T5395]  ? gfs2_recover_set+0x240/0x240
[  252.794199][ T5395]  ? snprintf+0xe5/0x140
[  252.798430][ T5395]  ? __free_pages+0x95/0x1a0
[  252.803205][ T5395]  ? vscnprintf+0x80/0x80
[  252.807662][ T5395]  gfs2_fill_super+0x11ed/0x1ea0
[  252.812664][ T5395]  ? gfs2_reconfigure+0xd80/0xd80
[  252.817909][ T5395]  ? sb_set_blocksize+0xa5/0xe0
[  252.823531][ T5395]  get_tree_bdev+0x3e6/0x610
[  252.828292][ T5395]  ? gfs2_reconfigure+0xd80/0xd80
[  252.833695][ T5395]  gfs2_get_tree+0x4d/0x1e0
[  252.839109][ T5395]  vfs_get_tree+0x88/0x270
[  252.844527][ T5395]  do_new_mount+0x247/0xa40
[  252.849168][ T5395]  __se_sys_mount+0x2e3/0x3d0
[  252.854162][ T5395]  ? __x64_sys_mount+0xc0/0xc0
[  252.858946][ T5395]  ? lockdep_hardirqs_on+0x94/0x140
[  252.864326][ T5395]  ? __x64_sys_mount+0x1c/0xc0
[  252.869196][ T5395]  do_syscall_64+0x4c/0xa0
[  252.873707][ T5395]  ? clear_bhb_loop+0x30/0x80
[  252.878587][ T5395]  ? clear_bhb_loop+0x30/0x80
[  252.883331][ T5395]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.889970][ T5395] RIP: 0033:0x7fc6950ea60a
[  252.894482][ T5395] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  252.915791][ T5395] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.924373][ T5395] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  252.932836][ T5395] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  252.940908][ T5395] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  252.948980][ T5395] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  252.956973][ T5395] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  252.964957][ T5395]  </TASK>
[  252.969454][ T5395] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.982960][ T5395] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.296054][ T5397] loop1: detected capacity change from 0 to 32768
[  253.345089][ T5397] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.353030][ T5397] CPU: 1 PID: 5397 Comm: syz.1.214 Not tainted syzkaller #0
[  253.360577][ T5397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  253.371364][ T5397] Call Trace:
[  253.375022][ T5397]  <TASK>
[  253.378134][ T5397]  dump_stack_lvl+0x188/0x250
[  253.382826][ T5397]  ? show_regs_print_info+0x20/0x20
[  253.388263][ T5397]  ? load_image+0x410/0x410
[  253.392883][ T5397]  sysfs_create_dir_ns+0x26a/0x290
[  253.398121][ T5397]  ? sysfs_warn_dup+0xa0/0xa0
[  253.403008][ T5397]  ? do_raw_spin_unlock+0x11d/0x230
[  253.408328][ T5397]  kobject_add_internal+0x5ba/0xcd0
[  253.413672][ T5397]  kobject_init_and_add+0x128/0x190
[  253.419158][ T5397]  ? lockdep_softirqs_off+0x430/0x430
[  253.424740][ T5397]  ? kobject_add+0x230/0x230
[  253.429908][ T5397]  ? __init_swait_queue_head+0xa4/0x140
[  253.435664][ T5397]  gfs2_sys_fs_add+0x24f/0x4b0
[  253.440470][ T5397]  ? gfs2_recover_set+0x240/0x240
[  253.445649][ T5397]  ? snprintf+0xe5/0x140
[  253.450016][ T5397]  ? __free_pages+0x95/0x1a0
[  253.454705][ T5397]  ? vscnprintf+0x80/0x80
[  253.459443][ T5397]  gfs2_fill_super+0x11ed/0x1ea0
[  253.464694][ T5397]  ? gfs2_reconfigure+0xd80/0xd80
[  253.470014][ T5397]  ? sb_set_blocksize+0xa5/0xe0
[  253.475454][ T5397]  get_tree_bdev+0x3e6/0x610
[  253.480323][ T5397]  ? gfs2_reconfigure+0xd80/0xd80
[  253.485441][ T5397]  gfs2_get_tree+0x4d/0x1e0
[  253.490183][ T5397]  vfs_get_tree+0x88/0x270
[  253.494983][ T5397]  do_new_mount+0x247/0xa40
[  253.500025][ T5397]  __se_sys_mount+0x2e3/0x3d0
[  253.505108][ T5397]  ? __x64_sys_mount+0xc0/0xc0
[  253.510173][ T5397]  ? lockdep_hardirqs_on+0x94/0x140
[  253.515544][ T5397]  ? __x64_sys_mount+0x1c/0xc0
[  253.520431][ T5397]  do_syscall_64+0x4c/0xa0
[  253.525077][ T5397]  ? clear_bhb_loop+0x30/0x80
[  253.529751][ T5397]  ? clear_bhb_loop+0x30/0x80
[  253.534541][ T5397]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.540641][ T5397] RIP: 0033:0x7fc6950ea60a
[  253.545122][ T5397] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  253.565866][ T5397] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.574397][ T5397] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  253.582364][ T5397] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  253.590620][ T5397] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  253.598923][ T5397] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  253.607168][ T5397] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  253.615154][ T5397]  </TASK>
[  253.624994][ T5397] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.639744][ T5397] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.966545][ T5399] loop1: detected capacity change from 0 to 32768
[  254.013743][ T5399] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.021976][ T5399] CPU: 0 PID: 5399 Comm: syz.1.215 Not tainted syzkaller #0
[  254.030263][ T5399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  254.041854][ T5399] Call Trace:
[  254.045764][ T5399]  <TASK>
[  254.048711][ T5399]  dump_stack_lvl+0x188/0x250
[  254.053574][ T5399]  ? show_regs_print_info+0x20/0x20
[  254.060115][ T5399]  ? load_image+0x410/0x410
[  254.066444][ T5399]  sysfs_create_dir_ns+0x26a/0x290
[  254.074065][ T5399]  ? sysfs_warn_dup+0xa0/0xa0
[  254.082119][ T5399]  ? do_raw_spin_unlock+0x11d/0x230
[  254.089093][ T5399]  kobject_add_internal+0x5ba/0xcd0
[  254.096992][ T5399]  kobject_init_and_add+0x128/0x190
[  254.103813][ T5399]  ? lockdep_softirqs_off+0x430/0x430
[  254.111115][ T5399]  ? kobject_add+0x230/0x230
[  254.116831][ T5399]  ? __init_swait_queue_head+0xa4/0x140
[  254.124132][ T5399]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.130230][ T5399]  ? gfs2_recover_set+0x240/0x240
[  254.136116][ T5399]  ? snprintf+0xe5/0x140
[  254.140755][ T5399]  ? __free_pages+0x95/0x1a0
[  254.145438][ T5399]  ? vscnprintf+0x80/0x80
[  254.150142][ T5399]  gfs2_fill_super+0x11ed/0x1ea0
[  254.155376][ T5399]  ? gfs2_reconfigure+0xd80/0xd80
[  254.160422][ T5399]  ? sb_set_blocksize+0xa5/0xe0
[  254.166390][ T5399]  get_tree_bdev+0x3e6/0x610
[  254.171194][ T5399]  ? gfs2_reconfigure+0xd80/0xd80
[  254.176220][ T5399]  gfs2_get_tree+0x4d/0x1e0
[  254.180922][ T5399]  vfs_get_tree+0x88/0x270
[  254.185439][ T5399]  do_new_mount+0x247/0xa40
[  254.189948][ T5399]  __se_sys_mount+0x2e3/0x3d0
[  254.194629][ T5399]  ? __x64_sys_mount+0xc0/0xc0
[  254.199809][ T5399]  ? lockdep_hardirqs_on+0x94/0x140
[  254.205200][ T5399]  ? __x64_sys_mount+0x1c/0xc0
[  254.210110][ T5399]  do_syscall_64+0x4c/0xa0
[  254.214547][ T5399]  ? clear_bhb_loop+0x30/0x80
[  254.219436][ T5399]  ? clear_bhb_loop+0x30/0x80
[  254.224267][ T5399]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.230541][ T5399] RIP: 0033:0x7fc6950ea60a
[  254.235307][ T5399] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.255335][ T5399] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.263929][ T5399] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  254.271891][ T5399] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  254.280061][ T5399] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  254.288281][ T5399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.296561][ T5399] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  254.305169][ T5399]  </TASK>
[  254.310258][ T5399] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.324254][ T5399] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.641850][ T5401] loop1: detected capacity change from 0 to 32768
[  254.694276][ T5401] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.702250][ T5401] CPU: 1 PID: 5401 Comm: syz.1.216 Not tainted syzkaller #0
[  254.710277][ T5401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  254.720917][ T5401] Call Trace:
[  254.724559][ T5401]  <TASK>
[  254.727499][ T5401]  dump_stack_lvl+0x188/0x250
[  254.732287][ T5401]  ? show_regs_print_info+0x20/0x20
[  254.737798][ T5401]  ? load_image+0x410/0x410
[  254.742605][ T5401]  sysfs_create_dir_ns+0x26a/0x290
[  254.747814][ T5401]  ? sysfs_warn_dup+0xa0/0xa0
[  254.752550][ T5401]  ? do_raw_spin_unlock+0x11d/0x230
[  254.758114][ T5401]  kobject_add_internal+0x5ba/0xcd0
[  254.763610][ T5401]  kobject_init_and_add+0x128/0x190
[  254.768922][ T5401]  ? lockdep_softirqs_off+0x430/0x430
[  254.774403][ T5401]  ? kobject_add+0x230/0x230
[  254.779115][ T5401]  ? __init_swait_queue_head+0xa4/0x140
[  254.784769][ T5401]  gfs2_sys_fs_add+0x24f/0x4b0
[  254.789666][ T5401]  ? gfs2_recover_set+0x240/0x240
[  254.794866][ T5401]  ? snprintf+0xe5/0x140
[  254.799638][ T5401]  ? __free_pages+0x95/0x1a0
[  254.804669][ T5401]  ? vscnprintf+0x80/0x80
[  254.809106][ T5401]  gfs2_fill_super+0x11ed/0x1ea0
[  254.814114][ T5401]  ? gfs2_reconfigure+0xd80/0xd80
[  254.819332][ T5401]  ? sb_set_blocksize+0xa5/0xe0
[  254.824309][ T5401]  get_tree_bdev+0x3e6/0x610
[  254.828914][ T5401]  ? gfs2_reconfigure+0xd80/0xd80
[  254.834022][ T5401]  gfs2_get_tree+0x4d/0x1e0
[  254.838784][ T5401]  vfs_get_tree+0x88/0x270
[  254.843203][ T5401]  do_new_mount+0x247/0xa40
[  254.847788][ T5401]  __se_sys_mount+0x2e3/0x3d0
[  254.852451][ T5401]  ? __x64_sys_mount+0xc0/0xc0
[  254.857498][ T5401]  ? lockdep_hardirqs_on+0x94/0x140
[  254.862876][ T5401]  ? __x64_sys_mount+0x1c/0xc0
[  254.867646][ T5401]  do_syscall_64+0x4c/0xa0
[  254.872140][ T5401]  ? clear_bhb_loop+0x30/0x80
[  254.876797][ T5401]  ? clear_bhb_loop+0x30/0x80
[  254.881459][ T5401]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.887418][ T5401] RIP: 0033:0x7fc6950ea60a
[  254.891818][ T5401] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  254.912090][ T5401] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.920501][ T5401] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  254.928697][ T5401] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  254.937141][ T5401] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  254.945650][ T5401] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  254.953831][ T5401] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  254.962072][ T5401]  </TASK>
[  254.966567][ T5401] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.980617][ T5401] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.292219][ T5403] loop1: detected capacity change from 0 to 32768
[  255.334208][ T5403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.341719][ T5403] CPU: 0 PID: 5403 Comm: syz.1.217 Not tainted syzkaller #0
[  255.349520][ T5403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  255.359919][ T5403] Call Trace:
[  255.363307][ T5403]  <TASK>
[  255.366783][ T5403]  dump_stack_lvl+0x188/0x250
[  255.371579][ T5403]  ? show_regs_print_info+0x20/0x20
[  255.377045][ T5403]  ? load_image+0x410/0x410
[  255.381901][ T5403]  sysfs_create_dir_ns+0x26a/0x290
[  255.387134][ T5403]  ? sysfs_warn_dup+0xa0/0xa0
[  255.391917][ T5403]  ? do_raw_spin_unlock+0x11d/0x230
[  255.397135][ T5403]  kobject_add_internal+0x5ba/0xcd0
[  255.403018][ T5403]  kobject_init_and_add+0x128/0x190
[  255.408258][ T5403]  ? lockdep_softirqs_off+0x430/0x430
[  255.413693][ T5403]  ? kobject_add+0x230/0x230
[  255.418322][ T5403]  ? __init_swait_queue_head+0xa4/0x140
[  255.424860][ T5403]  gfs2_sys_fs_add+0x24f/0x4b0
[  255.429799][ T5403]  ? gfs2_recover_set+0x240/0x240
[  255.435008][ T5403]  ? snprintf+0xe5/0x140
[  255.439338][ T5403]  ? __free_pages+0x95/0x1a0
[  255.443944][ T5403]  ? vscnprintf+0x80/0x80
[  255.448385][ T5403]  gfs2_fill_super+0x11ed/0x1ea0
[  255.453478][ T5403]  ? gfs2_reconfigure+0xd80/0xd80
[  255.459124][ T5403]  ? sb_set_blocksize+0xa5/0xe0
[  255.464148][ T5403]  get_tree_bdev+0x3e6/0x610
[  255.468896][ T5403]  ? gfs2_reconfigure+0xd80/0xd80
[  255.474143][ T5403]  gfs2_get_tree+0x4d/0x1e0
[  255.479069][ T5403]  vfs_get_tree+0x88/0x270
[  255.483728][ T5403]  do_new_mount+0x247/0xa40
[  255.488479][ T5403]  __se_sys_mount+0x2e3/0x3d0
[  255.493222][ T5403]  ? __x64_sys_mount+0xc0/0xc0
[  255.498013][ T5403]  ? lockdep_hardirqs_on+0x94/0x140
[  255.503478][ T5403]  ? __x64_sys_mount+0x1c/0xc0
[  255.508993][ T5403]  do_syscall_64+0x4c/0xa0
[  255.514669][ T5403]  ? clear_bhb_loop+0x30/0x80
[  255.519947][ T5403]  ? clear_bhb_loop+0x30/0x80
[  255.524638][ T5403]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.530631][ T5403] RIP: 0033:0x7fc6950ea60a
[  255.535061][ T5403] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  255.555284][ T5403] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.564216][ T5403] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  255.572711][ T5403] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  255.580880][ T5403] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  255.589116][ T5403] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  255.597520][ T5403] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  255.605993][ T5403]  </TASK>
[  255.610111][ T5403] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.623838][ T5403] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/29 23:23:43 executed programs: 203
[  255.766731][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[  255.773229][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[  255.937716][ T5405] loop1: detected capacity change from 0 to 32768
[  255.986476][ T5405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.994316][ T5405] CPU: 1 PID: 5405 Comm: syz.1.218 Not tainted syzkaller #0
[  256.001619][ T5405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  256.011886][ T5405] Call Trace:
[  256.015440][ T5405]  <TASK>
[  256.018380][ T5405]  dump_stack_lvl+0x188/0x250
[  256.023089][ T5405]  ? show_regs_print_info+0x20/0x20
[  256.028809][ T5405]  ? load_image+0x410/0x410
[  256.033852][ T5405]  sysfs_create_dir_ns+0x26a/0x290
[  256.039083][ T5405]  ? sysfs_warn_dup+0xa0/0xa0
[  256.043873][ T5405]  ? do_raw_spin_unlock+0x11d/0x230
[  256.049092][ T5405]  kobject_add_internal+0x5ba/0xcd0
[  256.054409][ T5405]  kobject_init_and_add+0x128/0x190
[  256.059981][ T5405]  ? lockdep_softirqs_off+0x430/0x430
[  256.065892][ T5405]  ? kobject_add+0x230/0x230
[  256.070569][ T5405]  ? __init_swait_queue_head+0xa4/0x140
[  256.076233][ T5405]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.081542][ T5405]  ? gfs2_recover_set+0x240/0x240
[  256.086670][ T5405]  ? snprintf+0xe5/0x140
[  256.090937][ T5405]  ? __free_pages+0x95/0x1a0
[  256.095856][ T5405]  ? vscnprintf+0x80/0x80
[  256.100891][ T5405]  gfs2_fill_super+0x11ed/0x1ea0
[  256.106048][ T5405]  ? gfs2_reconfigure+0xd80/0xd80
[  256.111212][ T5405]  ? sb_set_blocksize+0xa5/0xe0
[  256.116074][ T5405]  get_tree_bdev+0x3e6/0x610
[  256.120663][ T5405]  ? gfs2_reconfigure+0xd80/0xd80
[  256.125688][ T5405]  gfs2_get_tree+0x4d/0x1e0
[  256.130176][ T5405]  vfs_get_tree+0x88/0x270
[  256.134587][ T5405]  do_new_mount+0x247/0xa40
[  256.139098][ T5405]  __se_sys_mount+0x2e3/0x3d0
[  256.144281][ T5405]  ? __x64_sys_mount+0xc0/0xc0
[  256.149054][ T5405]  ? lockdep_hardirqs_on+0x94/0x140
[  256.154323][ T5405]  ? __x64_sys_mount+0x1c/0xc0
[  256.159193][ T5405]  do_syscall_64+0x4c/0xa0
[  256.163775][ T5405]  ? clear_bhb_loop+0x30/0x80
[  256.168469][ T5405]  ? clear_bhb_loop+0x30/0x80
[  256.173158][ T5405]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.179417][ T5405] RIP: 0033:0x7fc6950ea60a
[  256.183829][ T5405] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.204038][ T5405] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.212664][ T5405] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  256.221459][ T5405] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  256.229979][ T5405] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  256.238130][ T5405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.246663][ T5405] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.255077][ T5405]  </TASK>
[  256.259542][ T5405] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.274896][ T5405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.579593][ T5407] loop1: detected capacity change from 0 to 32768
[  256.667894][ T5407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.676322][ T5407] CPU: 0 PID: 5407 Comm: syz.1.219 Not tainted syzkaller #0
[  256.683721][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  256.694149][ T5407] Call Trace:
[  256.697716][ T5407]  <TASK>
[  256.700662][ T5407]  dump_stack_lvl+0x188/0x250
[  256.705365][ T5407]  ? show_regs_print_info+0x20/0x20
[  256.710578][ T5407]  ? load_image+0x410/0x410
[  256.715190][ T5407]  sysfs_create_dir_ns+0x26a/0x290
[  256.720472][ T5407]  ? sysfs_warn_dup+0xa0/0xa0
[  256.725150][ T5407]  ? do_raw_spin_unlock+0x11d/0x230
[  256.730344][ T5407]  kobject_add_internal+0x5ba/0xcd0
[  256.735645][ T5407]  kobject_init_and_add+0x128/0x190
[  256.740945][ T5407]  ? lockdep_softirqs_off+0x430/0x430
[  256.746643][ T5407]  ? kobject_add+0x230/0x230
[  256.751860][ T5407]  ? __init_swait_queue_head+0xa4/0x140
[  256.757759][ T5407]  gfs2_sys_fs_add+0x24f/0x4b0
[  256.762792][ T5407]  ? gfs2_recover_set+0x240/0x240
[  256.767922][ T5407]  ? snprintf+0xe5/0x140
[  256.772259][ T5407]  ? __free_pages+0x95/0x1a0
[  256.776872][ T5407]  ? vscnprintf+0x80/0x80
[  256.781298][ T5407]  gfs2_fill_super+0x11ed/0x1ea0
[  256.786686][ T5407]  ? gfs2_reconfigure+0xd80/0xd80
[  256.791892][ T5407]  ? sb_set_blocksize+0xa5/0xe0
[  256.796836][ T5407]  get_tree_bdev+0x3e6/0x610
[  256.801751][ T5407]  ? gfs2_reconfigure+0xd80/0xd80
[  256.806860][ T5407]  gfs2_get_tree+0x4d/0x1e0
[  256.811380][ T5407]  vfs_get_tree+0x88/0x270
[  256.815928][ T5407]  do_new_mount+0x247/0xa40
[  256.820442][ T5407]  __se_sys_mount+0x2e3/0x3d0
[  256.825480][ T5407]  ? __x64_sys_mount+0xc0/0xc0
[  256.830251][ T5407]  ? lockdep_hardirqs_on+0x94/0x140
[  256.835554][ T5407]  ? __x64_sys_mount+0x1c/0xc0
[  256.840408][ T5407]  do_syscall_64+0x4c/0xa0
[  256.845270][ T5407]  ? clear_bhb_loop+0x30/0x80
[  256.850206][ T5407]  ? clear_bhb_loop+0x30/0x80
[  256.855021][ T5407]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.861577][ T5407] RIP: 0033:0x7fc6950ea60a
[  256.865995][ T5407] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  256.885703][ T5407] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.894474][ T5407] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  256.902545][ T5407] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  256.910525][ T5407] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  256.918484][ T5407] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  256.926709][ T5407] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  256.935466][ T5407]  </TASK>
[  256.940227][ T5407] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.954186][ T5407] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.267606][ T5409] loop1: detected capacity change from 0 to 32768
[  257.335553][ T5409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.343896][ T5409] CPU: 0 PID: 5409 Comm: syz.1.220 Not tainted syzkaller #0
[  257.351406][ T5409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  257.361651][ T5409] Call Trace:
[  257.365046][ T5409]  <TASK>
[  257.368090][ T5409]  dump_stack_lvl+0x188/0x250
[  257.372882][ T5409]  ? show_regs_print_info+0x20/0x20
[  257.378113][ T5409]  ? load_image+0x410/0x410
[  257.382781][ T5409]  sysfs_create_dir_ns+0x26a/0x290
[  257.388052][ T5409]  ? sysfs_warn_dup+0xa0/0xa0
[  257.392925][ T5409]  ? do_raw_spin_unlock+0x11d/0x230
[  257.398341][ T5409]  kobject_add_internal+0x5ba/0xcd0
[  257.403774][ T5409]  kobject_init_and_add+0x128/0x190
[  257.409186][ T5409]  ? lockdep_softirqs_off+0x430/0x430
[  257.415118][ T5409]  ? kobject_add+0x230/0x230
[  257.419783][ T5409]  ? __init_swait_queue_head+0xa4/0x140
[  257.425512][ T5409]  gfs2_sys_fs_add+0x24f/0x4b0
[  257.430586][ T5409]  ? gfs2_recover_set+0x240/0x240
[  257.435628][ T5409]  ? snprintf+0xe5/0x140
[  257.439945][ T5409]  ? __free_pages+0x95/0x1a0
[  257.445391][ T5409]  ? vscnprintf+0x80/0x80
[  257.451126][ T5409]  gfs2_fill_super+0x11ed/0x1ea0
[  257.457040][ T5409]  ? gfs2_reconfigure+0xd80/0xd80
[  257.462061][ T5409]  ? sb_set_blocksize+0xa5/0xe0
[  257.467007][ T5409]  get_tree_bdev+0x3e6/0x610
[  257.471592][ T5409]  ? gfs2_reconfigure+0xd80/0xd80
[  257.476613][ T5409]  gfs2_get_tree+0x4d/0x1e0
[  257.481201][ T5409]  vfs_get_tree+0x88/0x270
[  257.485688][ T5409]  do_new_mount+0x247/0xa40
[  257.490398][ T5409]  __se_sys_mount+0x2e3/0x3d0
[  257.495073][ T5409]  ? __x64_sys_mount+0xc0/0xc0
[  257.500072][ T5409]  ? lockdep_hardirqs_on+0x94/0x140
[  257.505281][ T5409]  ? __x64_sys_mount+0x1c/0xc0
[  257.510219][ T5409]  do_syscall_64+0x4c/0xa0
[  257.514677][ T5409]  ? clear_bhb_loop+0x30/0x80
[  257.519546][ T5409]  ? clear_bhb_loop+0x30/0x80
[  257.524570][ T5409]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.530834][ T5409] RIP: 0033:0x7fc6950ea60a
[  257.535452][ T5409] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  257.555448][ T5409] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.563962][ T5409] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  257.572351][ T5409] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  257.580613][ T5409] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  257.589091][ T5409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  257.597246][ T5409] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  257.605309][ T5409]  </TASK>
[  257.609671][ T5409] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.623438][ T5409] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  257.938128][ T5411] loop1: detected capacity change from 0 to 32768
[  257.987236][ T5411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.994864][ T5411] CPU: 1 PID: 5411 Comm: syz.1.221 Not tainted syzkaller #0
[  258.002428][ T5411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  258.012497][ T5411] Call Trace:
[  258.015907][ T5411]  <TASK>
[  258.018855][ T5411]  dump_stack_lvl+0x188/0x250
[  258.023644][ T5411]  ? show_regs_print_info+0x20/0x20
[  258.028974][ T5411]  ? load_image+0x410/0x410
[  258.033510][ T5411]  sysfs_create_dir_ns+0x26a/0x290
[  258.038732][ T5411]  ? sysfs_warn_dup+0xa0/0xa0
[  258.043819][ T5411]  ? do_raw_spin_unlock+0x11d/0x230
[  258.049118][ T5411]  kobject_add_internal+0x5ba/0xcd0
[  258.054530][ T5411]  kobject_init_and_add+0x128/0x190
[  258.059935][ T5411]  ? lockdep_softirqs_off+0x430/0x430
[  258.065341][ T5411]  ? kobject_add+0x230/0x230
[  258.070053][ T5411]  ? __init_swait_queue_head+0xa4/0x140
[  258.075710][ T5411]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.081514][ T5411]  ? gfs2_recover_set+0x240/0x240
[  258.087181][ T5411]  ? snprintf+0xe5/0x140
[  258.091625][ T5411]  ? __free_pages+0x95/0x1a0
[  258.096391][ T5411]  ? vscnprintf+0x80/0x80
[  258.100881][ T5411]  gfs2_fill_super+0x11ed/0x1ea0
[  258.106339][ T5411]  ? gfs2_reconfigure+0xd80/0xd80
[  258.111876][ T5411]  ? sb_set_blocksize+0xa5/0xe0
[  258.117220][ T5411]  get_tree_bdev+0x3e6/0x610
[  258.121826][ T5411]  ? gfs2_reconfigure+0xd80/0xd80
[  258.126965][ T5411]  gfs2_get_tree+0x4d/0x1e0
[  258.131611][ T5411]  vfs_get_tree+0x88/0x270
[  258.136149][ T5411]  do_new_mount+0x247/0xa40
[  258.140837][ T5411]  __se_sys_mount+0x2e3/0x3d0
[  258.145640][ T5411]  ? __x64_sys_mount+0xc0/0xc0
[  258.150676][ T5411]  ? lockdep_hardirqs_on+0x94/0x140
[  258.156081][ T5411]  ? __x64_sys_mount+0x1c/0xc0
[  258.160863][ T5411]  do_syscall_64+0x4c/0xa0
[  258.165283][ T5411]  ? clear_bhb_loop+0x30/0x80
[  258.170258][ T5411]  ? clear_bhb_loop+0x30/0x80
[  258.175139][ T5411]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.181034][ T5411] RIP: 0033:0x7fc6950ea60a
[  258.185440][ T5411] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.205986][ T5411] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.215135][ T5411] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  258.223486][ T5411] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  258.232400][ T5411] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  258.240876][ T5411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  258.249028][ T5411] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  258.257720][ T5411]  </TASK>
[  258.262285][ T5411] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.276395][ T5411] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.598176][ T5413] loop1: detected capacity change from 0 to 32768
[  258.652851][ T5413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.663453][ T5413] CPU: 1 PID: 5413 Comm: syz.1.222 Not tainted syzkaller #0
[  258.670793][ T5413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  258.681223][ T5413] Call Trace:
[  258.684620][ T5413]  <TASK>
[  258.687834][ T5413]  dump_stack_lvl+0x188/0x250
[  258.692806][ T5413]  ? show_regs_print_info+0x20/0x20
[  258.698197][ T5413]  ? load_image+0x410/0x410
[  258.702850][ T5413]  sysfs_create_dir_ns+0x26a/0x290
[  258.708073][ T5413]  ? sysfs_warn_dup+0xa0/0xa0
[  258.712860][ T5413]  ? do_raw_spin_unlock+0x11d/0x230
[  258.718259][ T5413]  kobject_add_internal+0x5ba/0xcd0
[  258.723583][ T5413]  kobject_init_and_add+0x128/0x190
[  258.729106][ T5413]  ? lockdep_softirqs_off+0x430/0x430
[  258.734709][ T5413]  ? kobject_add+0x230/0x230
[  258.739680][ T5413]  ? __init_swait_queue_head+0xa4/0x140
[  258.745365][ T5413]  gfs2_sys_fs_add+0x24f/0x4b0
[  258.750165][ T5413]  ? gfs2_recover_set+0x240/0x240
[  258.755727][ T5413]  ? snprintf+0xe5/0x140
[  258.760079][ T5413]  ? __free_pages+0x95/0x1a0
[  258.765046][ T5413]  ? vscnprintf+0x80/0x80
[  258.769768][ T5413]  gfs2_fill_super+0x11ed/0x1ea0
[  258.775201][ T5413]  ? gfs2_reconfigure+0xd80/0xd80
[  258.780341][ T5413]  ? sb_set_blocksize+0xa5/0xe0
[  258.785405][ T5413]  get_tree_bdev+0x3e6/0x610
[  258.790194][ T5413]  ? gfs2_reconfigure+0xd80/0xd80
[  258.795537][ T5413]  gfs2_get_tree+0x4d/0x1e0
[  258.800154][ T5413]  vfs_get_tree+0x88/0x270
[  258.804657][ T5413]  do_new_mount+0x247/0xa40
[  258.809172][ T5413]  __se_sys_mount+0x2e3/0x3d0
[  258.814090][ T5413]  ? __x64_sys_mount+0xc0/0xc0
[  258.819244][ T5413]  ? lockdep_hardirqs_on+0x94/0x140
[  258.824618][ T5413]  ? __x64_sys_mount+0x1c/0xc0
[  258.829385][ T5413]  do_syscall_64+0x4c/0xa0
[  258.833838][ T5413]  ? clear_bhb_loop+0x30/0x80
[  258.838600][ T5413]  ? clear_bhb_loop+0x30/0x80
[  258.843569][ T5413]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.849836][ T5413] RIP: 0033:0x7fc6950ea60a
[  258.854385][ T5413] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  258.874469][ T5413] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.882980][ T5413] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  258.891210][ T5413] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  258.899299][ T5413] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  258.907388][ T5413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  258.915773][ T5413] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  258.924160][ T5413]  </TASK>
[  258.931652][ T5413] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.946102][ T5413] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.241693][ T5415] loop1: detected capacity change from 0 to 32768
[  259.305978][ T5415] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.313694][ T5415] CPU: 0 PID: 5415 Comm: syz.1.223 Not tainted syzkaller #0
[  259.321087][ T5415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  259.331812][ T5415] Call Trace:
[  259.335127][ T5415]  <TASK>
[  259.338062][ T5415]  dump_stack_lvl+0x188/0x250
[  259.342886][ T5415]  ? show_regs_print_info+0x20/0x20
[  259.348306][ T5415]  ? load_image+0x410/0x410
[  259.352863][ T5415]  sysfs_create_dir_ns+0x26a/0x290
[  259.357996][ T5415]  ? sysfs_warn_dup+0xa0/0xa0
[  259.362776][ T5415]  ? do_raw_spin_unlock+0x11d/0x230
[  259.368373][ T5415]  kobject_add_internal+0x5ba/0xcd0
[  259.373864][ T5415]  kobject_init_and_add+0x128/0x190
[  259.379165][ T5415]  ? lockdep_softirqs_off+0x430/0x430
[  259.384559][ T5415]  ? kobject_add+0x230/0x230
[  259.389197][ T5415]  ? __init_swait_queue_head+0xa4/0x140
[  259.394919][ T5415]  gfs2_sys_fs_add+0x24f/0x4b0
[  259.399977][ T5415]  ? gfs2_recover_set+0x240/0x240
[  259.405165][ T5415]  ? snprintf+0xe5/0x140
[  259.409399][ T5415]  ? __free_pages+0x95/0x1a0
[  259.413989][ T5415]  ? vscnprintf+0x80/0x80
[  259.418441][ T5415]  gfs2_fill_super+0x11ed/0x1ea0
[  259.423480][ T5415]  ? gfs2_reconfigure+0xd80/0xd80
[  259.429132][ T5415]  ? sb_set_blocksize+0xa5/0xe0
[  259.434350][ T5415]  get_tree_bdev+0x3e6/0x610
[  259.439052][ T5415]  ? gfs2_reconfigure+0xd80/0xd80
[  259.444172][ T5415]  gfs2_get_tree+0x4d/0x1e0
[  259.448699][ T5415]  vfs_get_tree+0x88/0x270
[  259.453580][ T5415]  do_new_mount+0x247/0xa40
[  259.458079][ T5415]  __se_sys_mount+0x2e3/0x3d0
[  259.462814][ T5415]  ? __x64_sys_mount+0xc0/0xc0
[  259.467566][ T5415]  ? lockdep_hardirqs_on+0x94/0x140
[  259.472784][ T5415]  ? __x64_sys_mount+0x1c/0xc0
[  259.477648][ T5415]  do_syscall_64+0x4c/0xa0
[  259.482073][ T5415]  ? clear_bhb_loop+0x30/0x80
[  259.486791][ T5415]  ? clear_bhb_loop+0x30/0x80
[  259.491471][ T5415]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  259.497449][ T5415] RIP: 0033:0x7fc6950ea60a
[  259.501897][ T5415] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  259.522002][ T5415] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.530483][ T5415] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  259.538551][ T5415] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  259.546735][ T5415] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  259.554958][ T5415] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  259.562936][ T5415] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  259.570997][ T5415]  </TASK>
[  259.575439][ T5415] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.588909][ T5415] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.914338][ T5417] loop1: detected capacity change from 0 to 32768
[  259.956830][ T5417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.967755][ T5417] CPU: 0 PID: 5417 Comm: syz.1.224 Not tainted syzkaller #0
[  259.975255][ T5417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  259.985838][ T5417] Call Trace:
[  259.989133][ T5417]  <TASK>
[  259.992097][ T5417]  dump_stack_lvl+0x188/0x250
[  259.996801][ T5417]  ? show_regs_print_info+0x20/0x20
[  260.002208][ T5417]  ? load_image+0x410/0x410
[  260.007010][ T5417]  sysfs_create_dir_ns+0x26a/0x290
[  260.012151][ T5417]  ? sysfs_warn_dup+0xa0/0xa0
[  260.016943][ T5417]  ? do_raw_spin_unlock+0x11d/0x230
[  260.022249][ T5417]  kobject_add_internal+0x5ba/0xcd0
[  260.027640][ T5417]  kobject_init_and_add+0x128/0x190
[  260.032864][ T5417]  ? lockdep_softirqs_off+0x430/0x430
[  260.038540][ T5417]  ? kobject_add+0x230/0x230
[  260.043151][ T5417]  ? __init_swait_queue_head+0xa4/0x140
[  260.048714][ T5417]  gfs2_sys_fs_add+0x24f/0x4b0
[  260.053514][ T5417]  ? gfs2_recover_set+0x240/0x240
[  260.059207][ T5417]  ? snprintf+0xe5/0x140
[  260.063697][ T5417]  ? __free_pages+0x95/0x1a0
[  260.068719][ T5417]  ? vscnprintf+0x80/0x80
[  260.075227][ T5417]  gfs2_fill_super+0x11ed/0x1ea0
[  260.080166][ T5417]  ? gfs2_reconfigure+0xd80/0xd80
[  260.085630][ T5417]  ? sb_set_blocksize+0xa5/0xe0
[  260.090648][ T5417]  get_tree_bdev+0x3e6/0x610
[  260.095400][ T5417]  ? gfs2_reconfigure+0xd80/0xd80
[  260.100408][ T5417]  gfs2_get_tree+0x4d/0x1e0
[  260.105098][ T5417]  vfs_get_tree+0x88/0x270
[  260.109608][ T5417]  do_new_mount+0x247/0xa40
[  260.114134][ T5417]  __se_sys_mount+0x2e3/0x3d0
[  260.118843][ T5417]  ? __x64_sys_mount+0xc0/0xc0
[  260.123632][ T5417]  ? lockdep_hardirqs_on+0x94/0x140
[  260.129008][ T5417]  ? __x64_sys_mount+0x1c/0xc0
[  260.133808][ T5417]  do_syscall_64+0x4c/0xa0
[  260.138363][ T5417]  ? clear_bhb_loop+0x30/0x80
[  260.143028][ T5417]  ? clear_bhb_loop+0x30/0x80
[  260.147875][ T5417]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.153850][ T5417] RIP: 0033:0x7fc6950ea60a
[  260.158377][ T5417] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.178198][ T5417] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.186777][ T5417] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  260.194925][ T5417] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  260.202885][ T5417] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  260.210965][ T5417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  260.218936][ T5417] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  260.227252][ T5417]  </TASK>
[  260.231572][ T5417] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.246104][ T5417] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.574157][ T5419] loop1: detected capacity change from 0 to 32768
[  260.633220][ T5419] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.641344][ T5419] CPU: 0 PID: 5419 Comm: syz.1.225 Not tainted syzkaller #0
[  260.648769][ T5419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  260.659214][ T5419] Call Trace:
[  260.662683][ T5419]  <TASK>
[  260.665706][ T5419]  dump_stack_lvl+0x188/0x250
[  260.670485][ T5419]  ? show_regs_print_info+0x20/0x20
[  260.675705][ T5419]  ? load_image+0x410/0x410
[  260.680235][ T5419]  sysfs_create_dir_ns+0x26a/0x290
[  260.685751][ T5419]  ? sysfs_warn_dup+0xa0/0xa0
[  260.690637][ T5419]  ? do_raw_spin_unlock+0x11d/0x230
[  260.695857][ T5419]  kobject_add_internal+0x5ba/0xcd0
[  260.701251][ T5419]  kobject_init_and_add+0x128/0x190
[  260.706472][ T5419]  ? lockdep_softirqs_off+0x430/0x430
[  260.712043][ T5419]  ? kobject_add+0x230/0x230
[  260.716971][ T5419]  ? __init_swait_queue_head+0xa4/0x140
[  260.722808][ T5419]  gfs2_sys_fs_add+0x24f/0x4b0
[  260.727666][ T5419]  ? gfs2_recover_set+0x240/0x240
[  260.732770][ T5419]  ? snprintf+0xe5/0x140
[  260.737348][ T5419]  ? __free_pages+0x95/0x1a0
[  260.742421][ T5419]  ? vscnprintf+0x80/0x80
[  260.746770][ T5419]  gfs2_fill_super+0x11ed/0x1ea0
[  260.751725][ T5419]  ? gfs2_reconfigure+0xd80/0xd80
[  260.757296][ T5419]  ? sb_set_blocksize+0xa5/0xe0
[  260.762368][ T5419]  get_tree_bdev+0x3e6/0x610
[  260.767609][ T5419]  ? gfs2_reconfigure+0xd80/0xd80
[  260.772759][ T5419]  gfs2_get_tree+0x4d/0x1e0
[  260.777359][ T5419]  vfs_get_tree+0x88/0x270
[  260.782049][ T5419]  do_new_mount+0x247/0xa40
[  260.786756][ T5419]  __se_sys_mount+0x2e3/0x3d0
[  260.791447][ T5419]  ? __x64_sys_mount+0xc0/0xc0
[  260.796299][ T5419]  ? lockdep_hardirqs_on+0x94/0x140
[  260.801534][ T5419]  ? __x64_sys_mount+0x1c/0xc0
[  260.806409][ T5419]  do_syscall_64+0x4c/0xa0
[  260.811077][ T5419]  ? clear_bhb_loop+0x30/0x80
[  260.815984][ T5419]  ? clear_bhb_loop+0x30/0x80
[  260.820834][ T5419]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  260.826742][ T5419] RIP: 0033:0x7fc6950ea60a
[  260.831382][ T5419] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  260.851902][ T5419] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.860496][ T5419] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  260.868568][ T5419] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  260.877028][ T5419] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  260.885243][ T5419] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  260.893634][ T5419] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  260.901900][ T5419]  </TASK>
[  260.907050][ T5419] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.921429][ T5419] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/29 23:23:48 executed programs: 211
[  261.262725][ T5421] loop1: detected capacity change from 0 to 32768
[  261.313765][ T5421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.321547][ T5421] CPU: 0 PID: 5421 Comm: syz.1.226 Not tainted syzkaller #0
[  261.329114][ T5421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  261.339626][ T5421] Call Trace:
[  261.342914][ T5421]  <TASK>
[  261.345872][ T5421]  dump_stack_lvl+0x188/0x250
[  261.350665][ T5421]  ? show_regs_print_info+0x20/0x20
[  261.355962][ T5421]  ? load_image+0x410/0x410
[  261.360585][ T5421]  sysfs_create_dir_ns+0x26a/0x290
[  261.366001][ T5421]  ? sysfs_warn_dup+0xa0/0xa0
[  261.370868][ T5421]  ? do_raw_spin_unlock+0x11d/0x230
[  261.376259][ T5421]  kobject_add_internal+0x5ba/0xcd0
[  261.381749][ T5421]  kobject_init_and_add+0x128/0x190
[  261.387319][ T5421]  ? lockdep_softirqs_off+0x430/0x430
[  261.392980][ T5421]  ? kobject_add+0x230/0x230
[  261.397591][ T5421]  ? __init_swait_queue_head+0xa4/0x140
[  261.403166][ T5421]  gfs2_sys_fs_add+0x24f/0x4b0
[  261.407946][ T5421]  ? gfs2_recover_set+0x240/0x240
[  261.413056][ T5421]  ? snprintf+0xe5/0x140
[  261.417369][ T5421]  ? __free_pages+0x95/0x1a0
[  261.421945][ T5421]  ? vscnprintf+0x80/0x80
[  261.426275][ T5421]  gfs2_fill_super+0x11ed/0x1ea0
[  261.431223][ T5421]  ? gfs2_reconfigure+0xd80/0xd80
[  261.436517][ T5421]  ? sb_set_blocksize+0xa5/0xe0
[  261.441454][ T5421]  get_tree_bdev+0x3e6/0x610
[  261.446209][ T5421]  ? gfs2_reconfigure+0xd80/0xd80
[  261.451251][ T5421]  gfs2_get_tree+0x4d/0x1e0
[  261.455749][ T5421]  vfs_get_tree+0x88/0x270
[  261.460466][ T5421]  do_new_mount+0x247/0xa40
[  261.465078][ T5421]  __se_sys_mount+0x2e3/0x3d0
[  261.469749][ T5421]  ? __x64_sys_mount+0xc0/0xc0
[  261.474657][ T5421]  ? lockdep_hardirqs_on+0x94/0x140
[  261.480084][ T5421]  ? __x64_sys_mount+0x1c/0xc0
[  261.485158][ T5421]  do_syscall_64+0x4c/0xa0
[  261.489757][ T5421]  ? clear_bhb_loop+0x30/0x80
[  261.494445][ T5421]  ? clear_bhb_loop+0x30/0x80
[  261.499306][ T5421]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  261.505192][ T5421] RIP: 0033:0x7fc6950ea60a
[  261.509720][ T5421] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  261.529623][ T5421] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.538141][ T5421] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  261.546378][ T5421] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  261.554544][ T5421] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  261.562604][ T5421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  261.570567][ T5421] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  261.578635][ T5421]  </TASK>
[  261.583185][ T5421] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.596432][ T5421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.920721][ T5423] loop1: detected capacity change from 0 to 32768
[  261.974224][ T5423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.982170][ T5423] CPU: 0 PID: 5423 Comm: syz.1.227 Not tainted syzkaller #0
[  261.990272][ T5423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  262.000740][ T5423] Call Trace:
[  262.004037][ T5423]  <TASK>
[  262.007508][ T5423]  dump_stack_lvl+0x188/0x250
[  262.012264][ T5423]  ? show_regs_print_info+0x20/0x20
[  262.017616][ T5423]  ? load_image+0x410/0x410
[  262.022310][ T5423]  sysfs_create_dir_ns+0x26a/0x290
[  262.027447][ T5423]  ? sysfs_warn_dup+0xa0/0xa0
[  262.032318][ T5423]  ? do_raw_spin_unlock+0x11d/0x230
[  262.037787][ T5423]  kobject_add_internal+0x5ba/0xcd0
[  262.043199][ T5423]  kobject_init_and_add+0x128/0x190
[  262.048551][ T5423]  ? lockdep_softirqs_off+0x430/0x430
[  262.053954][ T5423]  ? kobject_add+0x230/0x230
[  262.058925][ T5423]  ? __init_swait_queue_head+0xa4/0x140
[  262.064903][ T5423]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.070268][ T5423]  ? gfs2_recover_set+0x240/0x240
[  262.075328][ T5423]  ? snprintf+0xe5/0x140
[  262.080091][ T5423]  ? __free_pages+0x95/0x1a0
[  262.084791][ T5423]  ? vscnprintf+0x80/0x80
[  262.089345][ T5423]  gfs2_fill_super+0x11ed/0x1ea0
[  262.094304][ T5423]  ? gfs2_reconfigure+0xd80/0xd80
[  262.099532][ T5423]  ? sb_set_blocksize+0xa5/0xe0
[  262.104647][ T5423]  get_tree_bdev+0x3e6/0x610
[  262.109257][ T5423]  ? gfs2_reconfigure+0xd80/0xd80
[  262.114631][ T5423]  gfs2_get_tree+0x4d/0x1e0
[  262.119177][ T5423]  vfs_get_tree+0x88/0x270
[  262.123927][ T5423]  do_new_mount+0x247/0xa40
[  262.128456][ T5423]  __se_sys_mount+0x2e3/0x3d0
[  262.133670][ T5423]  ? __x64_sys_mount+0xc0/0xc0
[  262.138550][ T5423]  ? lockdep_hardirqs_on+0x94/0x140
[  262.143829][ T5423]  ? __x64_sys_mount+0x1c/0xc0
[  262.148675][ T5423]  do_syscall_64+0x4c/0xa0
[  262.153167][ T5423]  ? clear_bhb_loop+0x30/0x80
[  262.157831][ T5423]  ? clear_bhb_loop+0x30/0x80
[  262.162495][ T5423]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.168486][ T5423] RIP: 0033:0x7fc6950ea60a
[  262.172924][ T5423] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.193020][ T5423] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.201910][ T5423] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  262.210189][ T5423] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  262.218559][ T5423] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  262.226748][ T5423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  262.234983][ T5423] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  262.243332][ T5423]  </TASK>
[  262.247735][ T5423] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.261394][ T5423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.590614][ T5425] loop1: detected capacity change from 0 to 32768
[  262.642754][ T5425] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.650340][ T5425] CPU: 0 PID: 5425 Comm: syz.1.228 Not tainted syzkaller #0
[  262.657735][ T5425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  262.668007][ T5425] Call Trace:
[  262.671303][ T5425]  <TASK>
[  262.674248][ T5425]  dump_stack_lvl+0x188/0x250
[  262.679034][ T5425]  ? show_regs_print_info+0x20/0x20
[  262.684242][ T5425]  ? load_image+0x410/0x410
[  262.688769][ T5425]  sysfs_create_dir_ns+0x26a/0x290
[  262.693909][ T5425]  ? sysfs_warn_dup+0xa0/0xa0
[  262.698698][ T5425]  ? do_raw_spin_unlock+0x11d/0x230
[  262.704239][ T5425]  kobject_add_internal+0x5ba/0xcd0
[  262.709501][ T5425]  kobject_init_and_add+0x128/0x190
[  262.714719][ T5425]  ? lockdep_softirqs_off+0x430/0x430
[  262.720119][ T5425]  ? kobject_add+0x230/0x230
[  262.724741][ T5425]  ? __init_swait_queue_head+0xa4/0x140
[  262.730302][ T5425]  gfs2_sys_fs_add+0x24f/0x4b0
[  262.735149][ T5425]  ? gfs2_recover_set+0x240/0x240
[  262.740420][ T5425]  ? snprintf+0xe5/0x140
[  262.744665][ T5425]  ? __free_pages+0x95/0x1a0
[  262.749977][ T5425]  ? vscnprintf+0x80/0x80
[  262.754590][ T5425]  gfs2_fill_super+0x11ed/0x1ea0
[  262.760114][ T5425]  ? gfs2_reconfigure+0xd80/0xd80
[  262.765148][ T5425]  ? sb_set_blocksize+0xa5/0xe0
[  262.770119][ T5425]  get_tree_bdev+0x3e6/0x610
[  262.774719][ T5425]  ? gfs2_reconfigure+0xd80/0xd80
[  262.779943][ T5425]  gfs2_get_tree+0x4d/0x1e0
[  262.784452][ T5425]  vfs_get_tree+0x88/0x270
[  262.789057][ T5425]  do_new_mount+0x247/0xa40
[  262.793907][ T5425]  __se_sys_mount+0x2e3/0x3d0
[  262.798685][ T5425]  ? __x64_sys_mount+0xc0/0xc0
[  262.804170][ T5425]  ? lockdep_hardirqs_on+0x94/0x140
[  262.809689][ T5425]  ? __x64_sys_mount+0x1c/0xc0
[  262.814780][ T5425]  do_syscall_64+0x4c/0xa0
[  262.819214][ T5425]  ? clear_bhb_loop+0x30/0x80
[  262.824193][ T5425]  ? clear_bhb_loop+0x30/0x80
[  262.829261][ T5425]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  262.835425][ T5425] RIP: 0033:0x7fc6950ea60a
[  262.840025][ T5425] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  262.860333][ T5425] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.869198][ T5425] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  262.877256][ T5425] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  262.885483][ T5425] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  262.893658][ T5425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  262.902120][ T5425] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  262.910480][ T5425]  </TASK>
[  262.915041][ T5425] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.928872][ T5425] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.240249][ T5427] loop1: detected capacity change from 0 to 32768
[  263.308448][ T5427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.316362][ T5427] CPU: 0 PID: 5427 Comm: syz.1.229 Not tainted syzkaller #0
[  263.324096][ T5427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  263.334298][ T5427] Call Trace:
[  263.337768][ T5427]  <TASK>
[  263.340701][ T5427]  dump_stack_lvl+0x188/0x250
[  263.345574][ T5427]  ? show_regs_print_info+0x20/0x20
[  263.350883][ T5427]  ? load_image+0x410/0x410
[  263.355602][ T5427]  sysfs_create_dir_ns+0x26a/0x290
[  263.360781][ T5427]  ? sysfs_warn_dup+0xa0/0xa0
[  263.365665][ T5427]  ? do_raw_spin_unlock+0x11d/0x230
[  263.371156][ T5427]  kobject_add_internal+0x5ba/0xcd0
[  263.376383][ T5427]  kobject_init_and_add+0x128/0x190
[  263.382177][ T5427]  ? lockdep_softirqs_off+0x430/0x430
[  263.388001][ T5427]  ? kobject_add+0x230/0x230
[  263.392592][ T5427]  ? __init_swait_queue_head+0xa4/0x140
[  263.398122][ T5427]  gfs2_sys_fs_add+0x24f/0x4b0
[  263.403026][ T5427]  ? gfs2_recover_set+0x240/0x240
[  263.408125][ T5427]  ? snprintf+0xe5/0x140
[  263.412558][ T5427]  ? __free_pages+0x95/0x1a0
[  263.417153][ T5427]  ? vscnprintf+0x80/0x80
[  263.421663][ T5427]  gfs2_fill_super+0x11ed/0x1ea0
[  263.426698][ T5427]  ? gfs2_reconfigure+0xd80/0xd80
[  263.431866][ T5427]  ? sb_set_blocksize+0xa5/0xe0
[  263.436893][ T5427]  get_tree_bdev+0x3e6/0x610
[  263.441572][ T5427]  ? gfs2_reconfigure+0xd80/0xd80
[  263.446945][ T5427]  gfs2_get_tree+0x4d/0x1e0
[  263.451522][ T5427]  vfs_get_tree+0x88/0x270
[  263.456182][ T5427]  do_new_mount+0x247/0xa40
[  263.460760][ T5427]  __se_sys_mount+0x2e3/0x3d0
[  263.465521][ T5427]  ? __x64_sys_mount+0xc0/0xc0
[  263.470530][ T5427]  ? lockdep_hardirqs_on+0x94/0x140
[  263.475988][ T5427]  ? __x64_sys_mount+0x1c/0xc0
[  263.480752][ T5427]  do_syscall_64+0x4c/0xa0
[  263.485272][ T5427]  ? clear_bhb_loop+0x30/0x80
[  263.490253][ T5427]  ? clear_bhb_loop+0x30/0x80
[  263.495014][ T5427]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  263.500894][ T5427] RIP: 0033:0x7fc6950ea60a
[  263.505305][ T5427] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  263.525391][ T5427] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.533990][ T5427] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  263.542060][ T5427] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  263.550124][ T5427] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  263.558544][ T5427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  263.566955][ T5427] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  263.575037][ T5427]  </TASK>
[  263.579360][ T5427] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.592843][ T5427] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.901376][ T5429] loop1: detected capacity change from 0 to 32768
[  263.926848][ T5429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.935011][ T5429] CPU: 0 PID: 5429 Comm: syz.1.230 Not tainted syzkaller #0
[  263.943034][ T5429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  263.953504][ T5429] Call Trace:
[  263.956888][ T5429]  <TASK>
[  263.960095][ T5429]  dump_stack_lvl+0x188/0x250
[  263.964998][ T5429]  ? show_regs_print_info+0x20/0x20
[  263.970223][ T5429]  ? load_image+0x410/0x410
[  263.974756][ T5429]  sysfs_create_dir_ns+0x26a/0x290
[  263.979985][ T5429]  ? sysfs_warn_dup+0xa0/0xa0
[  263.984959][ T5429]  ? do_raw_spin_unlock+0x11d/0x230
[  263.990356][ T5429]  kobject_add_internal+0x5ba/0xcd0
[  263.995768][ T5429]  kobject_init_and_add+0x128/0x190
[  264.000968][ T5429]  ? lockdep_softirqs_off+0x430/0x430
[  264.006339][ T5429]  ? kobject_add+0x230/0x230
[  264.011028][ T5429]  ? __init_swait_queue_head+0xa4/0x140
[  264.016916][ T5429]  gfs2_sys_fs_add+0x24f/0x4b0
[  264.021694][ T5429]  ? gfs2_recover_set+0x240/0x240
[  264.026839][ T5429]  ? snprintf+0xe5/0x140
[  264.031088][ T5429]  ? __free_pages+0x95/0x1a0
[  264.035702][ T5429]  ? vscnprintf+0x80/0x80
[  264.040026][ T5429]  gfs2_fill_super+0x11ed/0x1ea0
[  264.045115][ T5429]  ? gfs2_reconfigure+0xd80/0xd80
[  264.050320][ T5429]  ? sb_set_blocksize+0xa5/0xe0
[  264.055454][ T5429]  get_tree_bdev+0x3e6/0x610
[  264.060232][ T5429]  ? gfs2_reconfigure+0xd80/0xd80
[  264.065884][ T5429]  gfs2_get_tree+0x4d/0x1e0
[  264.070521][ T5429]  vfs_get_tree+0x88/0x270
[  264.075195][ T5429]  do_new_mount+0x247/0xa40
[  264.080017][ T5429]  __se_sys_mount+0x2e3/0x3d0
[  264.084710][ T5429]  ? __x64_sys_mount+0xc0/0xc0
[  264.089778][ T5429]  ? lockdep_hardirqs_on+0x94/0x140
[  264.095468][ T5429]  ? __x64_sys_mount+0x1c/0xc0
[  264.100666][ T5429]  do_syscall_64+0x4c/0xa0
[  264.105493][ T5429]  ? clear_bhb_loop+0x30/0x80
[  264.110260][ T5429]  ? clear_bhb_loop+0x30/0x80
[  264.115024][ T5429]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.121039][ T5429] RIP: 0033:0x7fc6950ea60a
[  264.125627][ T5429] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.145720][ T5429] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.154377][ T5429] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  264.162611][ T5429] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  264.171082][ T5429] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  264.179485][ T5429] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  264.187447][ T5429] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  264.195503][ T5429]  </TASK>
[  264.200152][ T5429] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.213326][ T5429] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.542755][ T5431] loop1: detected capacity change from 0 to 32768
[  264.592809][ T5431] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.600441][ T5431] CPU: 1 PID: 5431 Comm: syz.1.231 Not tainted syzkaller #0
[  264.607763][ T5431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  264.618009][ T5431] Call Trace:
[  264.621739][ T5431]  <TASK>
[  264.624696][ T5431]  dump_stack_lvl+0x188/0x250
[  264.629490][ T5431]  ? show_regs_print_info+0x20/0x20
[  264.634898][ T5431]  ? load_image+0x410/0x410
[  264.639463][ T5431]  sysfs_create_dir_ns+0x26a/0x290
[  264.644876][ T5431]  ? sysfs_warn_dup+0xa0/0xa0
[  264.649880][ T5431]  ? do_raw_spin_unlock+0x11d/0x230
[  264.655105][ T5431]  kobject_add_internal+0x5ba/0xcd0
[  264.660328][ T5431]  kobject_init_and_add+0x128/0x190
[  264.665663][ T5431]  ? lockdep_softirqs_off+0x430/0x430
[  264.671451][ T5431]  ? kobject_add+0x230/0x230
[  264.676073][ T5431]  ? __init_swait_queue_head+0xa4/0x140
[  264.681907][ T5431]  gfs2_sys_fs_add+0x24f/0x4b0
[  264.686810][ T5431]  ? gfs2_recover_set+0x240/0x240
[  264.691847][ T5431]  ? snprintf+0xe5/0x140
[  264.696094][ T5431]  ? __free_pages+0x95/0x1a0
[  264.700789][ T5431]  ? vscnprintf+0x80/0x80
[  264.705126][ T5431]  gfs2_fill_super+0x11ed/0x1ea0
[  264.710178][ T5431]  ? gfs2_reconfigure+0xd80/0xd80
[  264.715227][ T5431]  ? sb_set_blocksize+0xa5/0xe0
[  264.720622][ T5431]  get_tree_bdev+0x3e6/0x610
[  264.725209][ T5431]  ? gfs2_reconfigure+0xd80/0xd80
[  264.730307][ T5431]  gfs2_get_tree+0x4d/0x1e0
[  264.734887][ T5431]  vfs_get_tree+0x88/0x270
[  264.739315][ T5431]  do_new_mount+0x247/0xa40
[  264.743905][ T5431]  __se_sys_mount+0x2e3/0x3d0
[  264.748692][ T5431]  ? __x64_sys_mount+0xc0/0xc0
[  264.753827][ T5431]  ? lockdep_hardirqs_on+0x94/0x140
[  264.759633][ T5431]  ? __x64_sys_mount+0x1c/0xc0
[  264.764672][ T5431]  do_syscall_64+0x4c/0xa0
[  264.769301][ T5431]  ? clear_bhb_loop+0x30/0x80
[  264.773985][ T5431]  ? clear_bhb_loop+0x30/0x80
[  264.778751][ T5431]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  264.784714][ T5431] RIP: 0033:0x7fc6950ea60a
[  264.789148][ T5431] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  264.809003][ T5431] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.817903][ T5431] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  264.826175][ T5431] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  264.834775][ T5431] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  264.843009][ T5431] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  264.851627][ T5431] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  264.859890][ T5431]  </TASK>
[  264.864172][ T5431] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.877808][ T5431] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.208544][ T5433] loop1: detected capacity change from 0 to 32768
[  265.275438][ T5433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.283177][ T5433] CPU: 1 PID: 5433 Comm: syz.1.232 Not tainted syzkaller #0
[  265.290630][ T5433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  265.300784][ T5433] Call Trace:
[  265.304074][ T5433]  <TASK>
[  265.307008][ T5433]  dump_stack_lvl+0x188/0x250
[  265.311704][ T5433]  ? show_regs_print_info+0x20/0x20
[  265.316921][ T5433]  ? load_image+0x410/0x410
[  265.321458][ T5433]  sysfs_create_dir_ns+0x26a/0x290
[  265.326598][ T5433]  ? sysfs_warn_dup+0xa0/0xa0
[  265.331299][ T5433]  ? do_raw_spin_unlock+0x11d/0x230
[  265.336759][ T5433]  kobject_add_internal+0x5ba/0xcd0
[  265.342266][ T5433]  kobject_init_and_add+0x128/0x190
[  265.347487][ T5433]  ? lockdep_softirqs_off+0x430/0x430
[  265.353077][ T5433]  ? kobject_add+0x230/0x230
[  265.357783][ T5433]  ? __init_swait_queue_head+0xa4/0x140
[  265.363521][ T5433]  gfs2_sys_fs_add+0x24f/0x4b0
[  265.368451][ T5433]  ? gfs2_recover_set+0x240/0x240
[  265.373649][ T5433]  ? snprintf+0xe5/0x140
[  265.377913][ T5433]  ? __free_pages+0x95/0x1a0
[  265.382503][ T5433]  ? vscnprintf+0x80/0x80
[  265.386834][ T5433]  gfs2_fill_super+0x11ed/0x1ea0
[  265.392054][ T5433]  ? gfs2_reconfigure+0xd80/0xd80
[  265.397070][ T5433]  ? sb_set_blocksize+0xa5/0xe0
[  265.402124][ T5433]  get_tree_bdev+0x3e6/0x610
[  265.406807][ T5433]  ? gfs2_reconfigure+0xd80/0xd80
[  265.411816][ T5433]  gfs2_get_tree+0x4d/0x1e0
[  265.416314][ T5433]  vfs_get_tree+0x88/0x270
[  265.420721][ T5433]  do_new_mount+0x247/0xa40
[  265.425230][ T5433]  __se_sys_mount+0x2e3/0x3d0
[  265.429983][ T5433]  ? __x64_sys_mount+0xc0/0xc0
[  265.434821][ T5433]  ? lockdep_hardirqs_on+0x94/0x140
[  265.440275][ T5433]  ? __x64_sys_mount+0x1c/0xc0
[  265.445161][ T5433]  do_syscall_64+0x4c/0xa0
[  265.449751][ T5433]  ? clear_bhb_loop+0x30/0x80
[  265.454848][ T5433]  ? clear_bhb_loop+0x30/0x80
[  265.459618][ T5433]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  265.465592][ T5433] RIP: 0033:0x7fc6950ea60a
[  265.470023][ T5433] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  265.490406][ T5433] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.498920][ T5433] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  265.507064][ T5433] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  265.515122][ T5433] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  265.523268][ T5433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  265.531270][ T5433] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  265.539344][ T5433]  </TASK>
[  265.546108][ T5433] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.560040][ T5433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.877325][ T5435] loop1: detected capacity change from 0 to 32768
[  265.978821][ T5435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.987884][ T5435] CPU: 1 PID: 5435 Comm: syz.1.233 Not tainted syzkaller #0
[  265.995464][ T5435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  266.005627][ T5435] Call Trace:
[  266.008967][ T5435]  <TASK>
[  266.011915][ T5435]  dump_stack_lvl+0x188/0x250
[  266.016833][ T5435]  ? show_regs_print_info+0x20/0x20
[  266.022155][ T5435]  ? load_image+0x410/0x410
[  266.026686][ T5435]  sysfs_create_dir_ns+0x26a/0x290
[  266.031923][ T5435]  ? sysfs_warn_dup+0xa0/0xa0
[  266.036909][ T5435]  ? do_raw_spin_unlock+0x11d/0x230
[  266.042110][ T5435]  kobject_add_internal+0x5ba/0xcd0
[  266.047316][ T5435]  kobject_init_and_add+0x128/0x190
[  266.052605][ T5435]  ? lockdep_softirqs_off+0x430/0x430
[  266.058082][ T5435]  ? kobject_add+0x230/0x230
[  266.062673][ T5435]  ? __init_swait_queue_head+0xa4/0x140
[  266.068527][ T5435]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.073391][ T5435]  ? gfs2_recover_set+0x240/0x240
[  266.078840][ T5435]  ? snprintf+0xe5/0x140
[  266.083674][ T5435]  ? __free_pages+0x95/0x1a0
[  266.088455][ T5435]  ? vscnprintf+0x80/0x80
[  266.092797][ T5435]  gfs2_fill_super+0x11ed/0x1ea0
[  266.097860][ T5435]  ? gfs2_reconfigure+0xd80/0xd80
[  266.103894][ T5435]  ? sb_set_blocksize+0xa5/0xe0
[  266.108759][ T5435]  get_tree_bdev+0x3e6/0x610
[  266.113458][ T5435]  ? gfs2_reconfigure+0xd80/0xd80
[  266.118565][ T5435]  gfs2_get_tree+0x4d/0x1e0
[  266.123688][ T5435]  vfs_get_tree+0x88/0x270
[  266.128285][ T5435]  do_new_mount+0x247/0xa40
[  266.132885][ T5435]  __se_sys_mount+0x2e3/0x3d0
[  266.137741][ T5435]  ? __x64_sys_mount+0xc0/0xc0
[  266.142599][ T5435]  ? lockdep_hardirqs_on+0x94/0x140
[  266.147894][ T5435]  ? __x64_sys_mount+0x1c/0xc0
[  266.153086][ T5435]  do_syscall_64+0x4c/0xa0
[  266.157839][ T5435]  ? clear_bhb_loop+0x30/0x80
[  266.162577][ T5435]  ? clear_bhb_loop+0x30/0x80
[  266.167254][ T5435]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.173193][ T5435] RIP: 0033:0x7fc6950ea60a
[  266.177936][ T5435] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  266.198227][ T5435] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.206635][ T5435] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  266.215122][ T5435] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  266.223298][ T5435] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  266.231509][ T5435] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  266.239561][ T5435] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  266.247845][ T5435]  </TASK>
[  266.257394][ T5435] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.271276][ T5435] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/08/29 23:23:53 executed programs: 219
[  266.734724][ T5437] loop1: detected capacity change from 0 to 32768
[  266.791280][ T5437] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.798992][ T5437] CPU: 0 PID: 5437 Comm: syz.1.234 Not tainted syzkaller #0
[  266.806301][ T5437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  266.816586][ T5437] Call Trace:
[  266.820072][ T5437]  <TASK>
[  266.823029][ T5437]  dump_stack_lvl+0x188/0x250
[  266.827730][ T5437]  ? show_regs_print_info+0x20/0x20
[  266.833063][ T5437]  ? load_image+0x410/0x410
[  266.837952][ T5437]  sysfs_create_dir_ns+0x26a/0x290
[  266.843079][ T5437]  ? sysfs_warn_dup+0xa0/0xa0
[  266.848027][ T5437]  ? do_raw_spin_unlock+0x11d/0x230
[  266.853244][ T5437]  kobject_add_internal+0x5ba/0xcd0
[  266.858466][ T5437]  kobject_init_and_add+0x128/0x190
[  266.864100][ T5437]  ? lockdep_softirqs_off+0x430/0x430
[  266.869906][ T5437]  ? kobject_add+0x230/0x230
[  266.874526][ T5437]  ? __init_swait_queue_head+0xa4/0x140
[  266.880193][ T5437]  gfs2_sys_fs_add+0x24f/0x4b0
[  266.885395][ T5437]  ? gfs2_recover_set+0x240/0x240
[  266.890603][ T5437]  ? snprintf+0xe5/0x140
[  266.894839][ T5437]  ? __free_pages+0x95/0x1a0
[  266.899888][ T5437]  ? vscnprintf+0x80/0x80
[  266.904238][ T5437]  gfs2_fill_super+0x11ed/0x1ea0
[  266.909201][ T5437]  ? gfs2_reconfigure+0xd80/0xd80
[  266.915067][ T5437]  ? sb_set_blocksize+0xa5/0xe0
[  266.920113][ T5437]  get_tree_bdev+0x3e6/0x610
[  266.925129][ T5437]  ? gfs2_reconfigure+0xd80/0xd80
[  266.930160][ T5437]  gfs2_get_tree+0x4d/0x1e0
[  266.934655][ T5437]  vfs_get_tree+0x88/0x270
[  266.939333][ T5437]  do_new_mount+0x247/0xa40
[  266.943837][ T5437]  __se_sys_mount+0x2e3/0x3d0
[  266.948591][ T5437]  ? __x64_sys_mount+0xc0/0xc0
[  266.953674][ T5437]  ? lockdep_hardirqs_on+0x94/0x140
[  266.959160][ T5437]  ? __x64_sys_mount+0x1c/0xc0
[  266.964103][ T5437]  do_syscall_64+0x4c/0xa0
[  266.968798][ T5437]  ? clear_bhb_loop+0x30/0x80
[  266.973632][ T5437]  ? clear_bhb_loop+0x30/0x80
[  266.978674][ T5437]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  266.984659][ T5437] RIP: 0033:0x7fc6950ea60a
[  266.989242][ T5437] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  267.009290][ T5437] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.017912][ T5437] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  267.026146][ T5437] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  267.034365][ T5437] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  267.042335][ T5437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  267.050560][ T5437] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  267.058986][ T5437]  </TASK>
[  267.063771][ T5437] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.078720][ T5437] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.375973][ T5439] loop1: detected capacity change from 0 to 32768
[  267.422951][ T5439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.430807][ T5439] CPU: 0 PID: 5439 Comm: syz.1.235 Not tainted syzkaller #0
[  267.438284][ T5439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  267.449099][ T5439] Call Trace:
[  267.452658][ T5439]  <TASK>
[  267.455605][ T5439]  dump_stack_lvl+0x188/0x250
[  267.460493][ T5439]  ? show_regs_print_info+0x20/0x20
[  267.465967][ T5439]  ? load_image+0x410/0x410
[  267.470506][ T5439]  sysfs_create_dir_ns+0x26a/0x290
[  267.475811][ T5439]  ? sysfs_warn_dup+0xa0/0xa0
[  267.480729][ T5439]  ? do_raw_spin_unlock+0x11d/0x230
[  267.486124][ T5439]  kobject_add_internal+0x5ba/0xcd0
[  267.491364][ T5439]  kobject_init_and_add+0x128/0x190
[  267.496775][ T5439]  ? lockdep_softirqs_off+0x430/0x430
[  267.502400][ T5439]  ? kobject_add+0x230/0x230
[  267.507222][ T5439]  ? __init_swait_queue_head+0xa4/0x140
[  267.513058][ T5439]  gfs2_sys_fs_add+0x24f/0x4b0
[  267.517861][ T5439]  ? gfs2_recover_set+0x240/0x240
[  267.522970][ T5439]  ? snprintf+0xe5/0x140
[  267.527464][ T5439]  ? __free_pages+0x95/0x1a0
[  267.532076][ T5439]  ? vscnprintf+0x80/0x80
[  267.536405][ T5439]  gfs2_fill_super+0x11ed/0x1ea0
[  267.541552][ T5439]  ? gfs2_reconfigure+0xd80/0xd80
[  267.546672][ T5439]  ? sb_set_blocksize+0xa5/0xe0
[  267.551729][ T5439]  get_tree_bdev+0x3e6/0x610
[  267.556544][ T5439]  ? gfs2_reconfigure+0xd80/0xd80
[  267.561680][ T5439]  gfs2_get_tree+0x4d/0x1e0
[  267.566368][ T5439]  vfs_get_tree+0x88/0x270
[  267.571171][ T5439]  do_new_mount+0x247/0xa40
[  267.575666][ T5439]  __se_sys_mount+0x2e3/0x3d0
[  267.580517][ T5439]  ? __x64_sys_mount+0xc0/0xc0
[  267.585320][ T5439]  ? lockdep_hardirqs_on+0x94/0x140
[  267.590859][ T5439]  ? __x64_sys_mount+0x1c/0xc0
[  267.596082][ T5439]  do_syscall_64+0x4c/0xa0
[  267.600494][ T5439]  ? clear_bhb_loop+0x30/0x80
[  267.605163][ T5439]  ? clear_bhb_loop+0x30/0x80
[  267.609836][ T5439]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  267.616150][ T5439] RIP: 0033:0x7fc6950ea60a
[  267.620825][ T5439] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  267.642313][ T5439] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.650904][ T5439] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  267.659010][ T5439] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  267.667267][ T5439] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  267.675426][ T5439] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  267.683631][ T5439] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  267.691819][ T5439]  </TASK>
[  267.696104][ T5439] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.710227][ T5439] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.045678][ T5441] loop1: detected capacity change from 0 to 32768
[  268.101813][ T5441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.113718][ T5441] CPU: 1 PID: 5441 Comm: syz.1.236 Not tainted syzkaller #0
[  268.121134][ T5441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  268.131296][ T5441] Call Trace:
[  268.134596][ T5441]  <TASK>
[  268.137582][ T5441]  dump_stack_lvl+0x188/0x250
[  268.142575][ T5441]  ? show_regs_print_info+0x20/0x20
[  268.148072][ T5441]  ? load_image+0x410/0x410
[  268.152704][ T5441]  sysfs_create_dir_ns+0x26a/0x290
[  268.158024][ T5441]  ? sysfs_warn_dup+0xa0/0xa0
[  268.163318][ T5441]  ? do_raw_spin_unlock+0x11d/0x230
[  268.169450][ T5441]  kobject_add_internal+0x5ba/0xcd0
[  268.175077][ T5441]  kobject_init_and_add+0x128/0x190
[  268.180617][ T5441]  ? lockdep_softirqs_off+0x430/0x430
[  268.186153][ T5441]  ? kobject_add+0x230/0x230
[  268.191142][ T5441]  ? __init_swait_queue_head+0xa4/0x140
[  268.197735][ T5441]  gfs2_sys_fs_add+0x24f/0x4b0
[  268.202866][ T5441]  ? gfs2_recover_set+0x240/0x240
[  268.208608][ T5441]  ? snprintf+0xe5/0x140
[  268.213553][ T5441]  ? __free_pages+0x95/0x1a0
[  268.219070][ T5441]  ? vscnprintf+0x80/0x80
[  268.223514][ T5441]  gfs2_fill_super+0x11ed/0x1ea0
[  268.228573][ T5441]  ? gfs2_reconfigure+0xd80/0xd80
[  268.233633][ T5441]  ? sb_set_blocksize+0xa5/0xe0
[  268.239038][ T5441]  get_tree_bdev+0x3e6/0x610
[  268.243762][ T5441]  ? gfs2_reconfigure+0xd80/0xd80
[  268.249140][ T5441]  gfs2_get_tree+0x4d/0x1e0
[  268.254113][ T5441]  vfs_get_tree+0x88/0x270
[  268.258939][ T5441]  do_new_mount+0x247/0xa40
[  268.263742][ T5441]  __se_sys_mount+0x2e3/0x3d0
[  268.268701][ T5441]  ? __x64_sys_mount+0xc0/0xc0
[  268.273572][ T5441]  ? lockdep_hardirqs_on+0x94/0x140
[  268.279090][ T5441]  ? __x64_sys_mount+0x1c/0xc0
[  268.283867][ T5441]  do_syscall_64+0x4c/0xa0
[  268.288279][ T5441]  ? clear_bhb_loop+0x30/0x80
[  268.292949][ T5441]  ? clear_bhb_loop+0x30/0x80
[  268.297736][ T5441]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  268.303983][ T5441] RIP: 0033:0x7fc6950ea60a
[  268.308584][ T5441] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  268.328844][ T5441] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.337554][ T5441] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  268.345708][ T5441] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  268.353987][ T5441] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  268.362390][ T5441] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  268.371054][ T5441] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  268.379681][ T5441]  </TASK>
[  268.384202][ T5441] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.398018][ T5441] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.729537][ T5443] loop1: detected capacity change from 0 to 32768
[  268.805936][ T5443] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.814948][ T5443] CPU: 1 PID: 5443 Comm: syz.1.237 Not tainted syzkaller #0
[  268.822445][ T5443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  268.832762][ T5443] Call Trace:
[  268.836144][ T5443]  <TASK>
[  268.839245][ T5443]  dump_stack_lvl+0x188/0x250
[  268.844392][ T5443]  ? show_regs_print_info+0x20/0x20
[  268.849795][ T5443]  ? load_image+0x410/0x410
[  268.854510][ T5443]  sysfs_create_dir_ns+0x26a/0x290
[  268.860349][ T5443]  ? sysfs_warn_dup+0xa0/0xa0
[  268.865162][ T5443]  ? do_raw_spin_unlock+0x11d/0x230
[  268.870386][ T5443]  kobject_add_internal+0x5ba/0xcd0
[  268.875609][ T5443]  kobject_init_and_add+0x128/0x190
[  268.881044][ T5443]  ? lockdep_softirqs_off+0x430/0x430
[  268.886991][ T5443]  ? kobject_add+0x230/0x230
[  268.891714][ T5443]  ? __init_swait_queue_head+0xa4/0x140
[  268.897618][ T5443]  gfs2_sys_fs_add+0x24f/0x4b0
[  268.902587][ T5443]  ? gfs2_recover_set+0x240/0x240
[  268.907699][ T5443]  ? snprintf+0xe5/0x140
[  268.912294][ T5443]  ? __free_pages+0x95/0x1a0
[  268.918968][ T5443]  ? vscnprintf+0x80/0x80
[  268.926080][ T5443]  gfs2_fill_super+0x11ed/0x1ea0
[  268.932503][ T5443]  ? gfs2_reconfigure+0xd80/0xd80
[  268.938856][ T5443]  ? sb_set_blocksize+0xa5/0xe0
[  268.945682][ T5443]  get_tree_bdev+0x3e6/0x610
[  268.953650][ T5443]  ? gfs2_reconfigure+0xd80/0xd80
[  268.959965][ T5443]  gfs2_get_tree+0x4d/0x1e0
[  268.965574][ T5443]  vfs_get_tree+0x88/0x270
[  268.970569][ T5443]  do_new_mount+0x247/0xa40
[  268.975442][ T5443]  __se_sys_mount+0x2e3/0x3d0
[  268.980493][ T5443]  ? __x64_sys_mount+0xc0/0xc0
[  268.985449][ T5443]  ? lockdep_hardirqs_on+0x94/0x140
[  268.990740][ T5443]  ? __x64_sys_mount+0x1c/0xc0
[  268.995504][ T5443]  do_syscall_64+0x4c/0xa0
[  268.999913][ T5443]  ? clear_bhb_loop+0x30/0x80
[  269.004908][ T5443]  ? clear_bhb_loop+0x30/0x80
[  269.010406][ T5443]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.016684][ T5443] RIP: 0033:0x7fc6950ea60a
[  269.021128][ T5443] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.041498][ T5443] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.050302][ T5443] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  269.058503][ T5443] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  269.067101][ T5443] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  269.075570][ T5443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  269.083546][ T5443] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  269.091984][ T5443]  </TASK>
[  269.096789][ T5443] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.110760][ T5443] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.423929][ T5445] loop1: detected capacity change from 0 to 32768
[  269.475187][ T5445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.482903][ T5445] CPU: 0 PID: 5445 Comm: syz.1.238 Not tainted syzkaller #0
[  269.490473][ T5445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  269.500646][ T5445] Call Trace:
[  269.504213][ T5445]  <TASK>
[  269.507402][ T5445]  dump_stack_lvl+0x188/0x250
[  269.512360][ T5445]  ? show_regs_print_info+0x20/0x20
[  269.518086][ T5445]  ? load_image+0x410/0x410
[  269.522709][ T5445]  sysfs_create_dir_ns+0x26a/0x290
[  269.528044][ T5445]  ? sysfs_warn_dup+0xa0/0xa0
[  269.532749][ T5445]  ? do_raw_spin_unlock+0x11d/0x230
[  269.538227][ T5445]  kobject_add_internal+0x5ba/0xcd0
[  269.543535][ T5445]  kobject_init_and_add+0x128/0x190
[  269.548843][ T5445]  ? lockdep_softirqs_off+0x430/0x430
[  269.554351][ T5445]  ? kobject_add+0x230/0x230
[  269.559290][ T5445]  ? __init_swait_queue_head+0xa4/0x140
[  269.565127][ T5445]  gfs2_sys_fs_add+0x24f/0x4b0
[  269.570184][ T5445]  ? gfs2_recover_set+0x240/0x240
[  269.575494][ T5445]  ? snprintf+0xe5/0x140
[  269.579741][ T5445]  ? __free_pages+0x95/0x1a0
[  269.584358][ T5445]  ? vscnprintf+0x80/0x80
[  269.588805][ T5445]  gfs2_fill_super+0x11ed/0x1ea0
[  269.594278][ T5445]  ? gfs2_reconfigure+0xd80/0xd80
[  269.599674][ T5445]  ? sb_set_blocksize+0xa5/0xe0
[  269.604691][ T5445]  get_tree_bdev+0x3e6/0x610
[  269.609641][ T5445]  ? gfs2_reconfigure+0xd80/0xd80
[  269.615026][ T5445]  gfs2_get_tree+0x4d/0x1e0
[  269.619531][ T5445]  vfs_get_tree+0x88/0x270
[  269.624609][ T5445]  do_new_mount+0x247/0xa40
[  269.629147][ T5445]  __se_sys_mount+0x2e3/0x3d0
[  269.633923][ T5445]  ? __x64_sys_mount+0xc0/0xc0
[  269.639143][ T5445]  ? lockdep_hardirqs_on+0x94/0x140
[  269.644431][ T5445]  ? __x64_sys_mount+0x1c/0xc0
[  269.650042][ T5445]  do_syscall_64+0x4c/0xa0
[  269.655323][ T5445]  ? clear_bhb_loop+0x30/0x80
[  269.660101][ T5445]  ? clear_bhb_loop+0x30/0x80
[  269.664952][ T5445]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  269.670867][ T5445] RIP: 0033:0x7fc6950ea60a
[  269.675362][ T5445] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  269.695454][ T5445] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.704206][ T5445] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  269.712195][ T5445] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  269.720448][ T5445] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  269.728656][ T5445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  269.736630][ T5445] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  269.745137][ T5445]  </TASK>
[  269.749678][ T5445] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.763880][ T5445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.844334][   T27] INFO: task syz.0.17:4975 blocked for more than 143 seconds.
[  269.852701][   T27]       Not tainted syzkaller #0
[  269.859125][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  269.868252][   T27] task:syz.0.17        state:D stack:24304 pid: 4975 ppid:  4802 flags:0x00004004
[  269.877898][   T27] Call Trace:
[  269.881451][   T27]  <TASK>
[  269.884881][   T27]  __schedule+0x11c3/0x4350
[  269.889700][   T27]  ? mark_lock+0x94/0x320
[  269.894461][   T27]  ? lock_chain_count+0x20/0x20
[  269.899450][   T27]  ? release_firmware_map_entry+0x190/0x190
[  269.905806][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x120
[  269.911726][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  269.917410][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  269.923421][   T27]  schedule+0x11b/0x1e0
[  269.928047][   T27]  bit_wait+0xd/0xc0
[  269.931973][   T27]  out_of_line_wait_on_bit+0x173/0x230
[  269.938067][   T27]  ? out_of_line_wait_on_bit_lock+0x190/0x190
[  269.944492][   T27]  ? __wait_on_bit+0x170/0x170
[  269.949568][   T27]  ? bit_waitqueue+0x30/0x30
[  269.954487][   T27]  gfs2_glock_wait+0xd9/0x1c0
[  269.959421][   T27]  gfs2_statfs_init+0x124/0x4e0
[  269.966445][   T27]  ? gfs2_glock_wait+0x136/0x1c0
[  269.971586][   T27]  ? gfs2_statfs_change_out+0xe0/0xe0
[  269.978437][   T27]  ? init_per_node+0x2c9/0x3e0
[  269.983330][   T27]  ? gfs2_statfs_init+0x11c/0x4e0
[  269.988686][   T27]  ? init_inodes+0x26a/0x320
[  269.993616][   T27]  gfs2_fill_super+0x16bb/0x1ea0
[  270.000175][   T27]  ? gfs2_reconfigure+0xd80/0xd80
[  270.005773][   T27]  ? gfs2_glock_nq_num+0x7e/0x1b0
[  270.011114][   T27]  ? sb_set_blocksize+0xa5/0xe0
[  270.018919][   T27]  get_tree_bdev+0x3e6/0x610
[  270.023704][   T27]  ? gfs2_reconfigure+0xd80/0xd80
[  270.029347][   T27]  gfs2_get_tree+0x4d/0x1e0
[  270.036085][   T27]  vfs_get_tree+0x88/0x270
[  270.040613][   T27]  do_new_mount+0x247/0xa40
[  270.045497][   T27]  __se_sys_mount+0x2e3/0x3d0
[  270.050292][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  270.057612][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  270.063138][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  270.069117][   T27]  do_syscall_64+0x4c/0xa0
[  270.073739][   T27]  ? clear_bhb_loop+0x30/0x80
[  270.079326][   T27]  ? clear_bhb_loop+0x30/0x80
[  270.084572][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.091174][   T27] RIP: 0033:0x7f864cb4760a
[  270.096219][   T27] RSP: 002b:00007f864c1a9e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.105830][   T27] RAX: ffffffffffffffda RBX: 00007f864c1a9ee0 RCX: 00007f864cb4760a
[  270.114797][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f864c1a9ea0
[  270.122789][   T27] RBP: 0000200000000400 R08: 00007f864c1a9ee0 R09: 0000000000000000
[  270.131193][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  270.139612][   T27] R13: 00007f864c1a9ea0 R14: 00000000000125e1 R15: 00002000000000c0
[  270.148104][   T27]  </TASK>
[  270.151268][   T27] 
[  270.151268][   T27] Showing all locks held in the system:
[  270.159860][   T27] 1 lock held by khungtaskd/27:
[  270.167204][   T27]  #0: ffffffff8c31ef60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  270.177261][   T27] 2 locks held by getty/3948:
[  270.182053][   T27]  #0: ffff88802cf59098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  270.192251][   T27]  #1: ffffc90002d032e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[  270.202997][   T27] 1 lock held by syz.0.17/4975:
[  270.208936][   T27]  #0: ffff88807c9200e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x200/0x970
[  270.220187][   T27] 2 locks held by syz.1.239/5447:
[  270.225546][   T27] 
[  270.227932][   T27] =============================================
[  270.227932][   T27] 
[  270.236950][   T27] NMI backtrace for cpu 1
[  270.241477][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  270.248817][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  270.259368][   T27] Call Trace:
[  270.262745][   T27]  <TASK>
[  270.265771][   T27]  dump_stack_lvl+0x188/0x250
[  270.270564][   T27]  ? show_regs_print_info+0x20/0x20
[  270.275781][   T27]  ? load_image+0x410/0x410
[  270.276674][ T5447] loop1: detected capacity change from 0 to 32768
[  270.280520][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  270.292637][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  270.297795][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  270.303146][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  270.309392][   T27]  ? _printk+0xda/0x130
[  270.313631][   T27]  ? load_image+0x410/0x410
[  270.318143][   T27]  ? load_image+0x410/0x410
[  270.322878][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  270.328939][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  270.335270][   T27]  watchdog+0xe1b/0xe60
[  270.339453][   T27]  kthread+0x42e/0x520
[  270.343620][   T27]  ? hungtask_pm_notify+0x40/0x40
[  270.348897][   T27]  ? kthread_blkcg+0xd0/0xd0
[  270.353849][   T27]  ret_from_fork+0x1f/0x30
[  270.358535][   T27]  </TASK>
[  270.362135][   T27] Sending NMI from CPU 1 to CPUs 0:
[  270.368097][    C0] NMI backtrace for cpu 0
[  270.368111][    C0] CPU: 0 PID: 4351 Comm: kworker/u4:6 Not tainted syzkaller #0
[  270.368128][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  270.368137][    C0] Workqueue: bat_events batadv_nc_worker
[  270.368157][    C0] RIP: 0010:mark_lock+0x32/0x320
[  270.368174][    C0] Code: 54 53 50 89 d5 49 89 f6 48 89 fb 49 bd 00 00 00 00 00 fc ff df 83 fa 08 75 29 4d 8d 7e 20 4c 89 f8 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 74 02 00 00 41 0f b6 47 02 24 03 3c 01 bd 09 00 00 00
[  270.368187][    C0] RSP: 0018:ffffc90003eef760 EFLAGS: 00000806
[  270.368198][    C0] RAX: 0000000000000000 RBX: ffff888026011dc0 RCX: dffffc0000000000
[  270.368208][    C0] RDX: 0000000000000008 RSI: ffff888026012900 RDI: ffff888026011dc0
[  270.368219][    C0] RBP: 0000000000000008 R08: ffffffff901ef1c7 R09: 1ffffffff203de38
[  270.368229][    C0] R10: dffffc0000000000 R11: fffffbfff203de39 R12: ffff888026012920
[  270.368240][    C0] R13: dffffc0000000000 R14: ffff888026012900 R15: ffff888026012920
[  270.368252][    C0] FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  270.368265][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  270.368276][    C0] CR2: 00007fe691204000 CR3: 000000001eaa4000 CR4: 00000000003506f0
[  270.368290][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  270.368300][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  270.368309][    C0] Call Trace:
[  270.368314][    C0]  <TASK>
[  270.368322][    C0]  __lock_acquire+0xd7b/0x7b50
[  270.368348][    C0]  ? verify_lock_unused+0x140/0x140
[  270.368364][    C0]  ? __lock_acquire+0x13dc/0x7b50
[  270.368383][    C0]  ? verify_lock_unused+0x140/0x140
[  270.368398][    C0]  ? __mutex_unlock_slowpath+0x1b0/0x6c0
[  270.368417][    C0]  ? verify_lock_unused+0x140/0x140
[  270.368434][    C0]  ? mark_lock+0x94/0x320
[  270.368448][    C0]  lock_acquire+0x19e/0x400
[  270.368463][    C0]  ? batadv_nc_purge_paths+0xe2/0x3a0
[  270.368478][    C0]  ? lock_chain_count+0x20/0x20
[  270.368496][    C0]  ? read_lock_is_recursive+0x10/0x10
[  270.368512][    C0]  ? __local_bh_disable_ip+0x111/0x1a0
[  270.368527][    C0]  ? __bpf_trace_softirq+0x10/0x10
[  270.368542][    C0]  ? __local_bh_enable_ip+0x136/0x1c0
[  270.368554][    C0]  ? _local_bh_enable+0xa0/0xa0
[  270.368569][    C0]  ? batadv_nc_purge_paths+0xe2/0x3a0
[  270.368588][    C0]  _raw_spin_lock_bh+0x32/0x50
[  270.368602][    C0]  ? batadv_nc_purge_paths+0xe2/0x3a0
[  270.368616][    C0]  ? batadv_nc_to_purge_nc_path_coding+0x120/0x120
[  270.368631][    C0]  batadv_nc_purge_paths+0xe2/0x3a0
[  270.368646][    C0]  ? __lock_acquire+0x7b50/0x7b50
[  270.368664][    C0]  batadv_nc_worker+0x321/0x5c0
[  270.368680][    C0]  process_one_work+0x867/0xff0
[  270.368701][    C0]  ? worker_detach_from_pool+0x240/0x240
[  270.368716][    C0]  ? lockdep_hardirqs_off+0x70/0x100
[  270.368733][    C0]  ? _raw_spin_lock_irq+0xb7/0xf0
[  270.368746][    C0]  ? _raw_spin_lock_irqsave+0x100/0x100
[  270.368769][    C0]  ? wq_worker_running+0x97/0x170
[  270.368783][    C0]  worker_thread+0xad7/0x12a0
[  270.368802][    C0]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  270.368820][    C0]  kthread+0x42e/0x520
[  270.368833][    C0]  ? rcu_lock_release+0x20/0x20
[  270.368847][    C0]  ? kthread_blkcg+0xd0/0xd0
[  270.368861][    C0]  ret_from_fork+0x1f/0x30
[  270.368881][    C0]  </TASK>
[  270.369914][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  270.385687][ T5447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.392232][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  270.392256][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  270.730825][   T27] Call Trace:
[  270.734104][   T27]  <TASK>
[  270.737308][   T27]  dump_stack_lvl+0x188/0x250
[  270.741983][   T27]  ? show_regs_print_info+0x20/0x20
[  270.747274][   T27]  ? load_image+0x410/0x410
[  270.751893][   T27]  panic+0x2f8/0x850
[  270.755796][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  270.761598][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  270.766406][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  270.773185][   T27]  watchdog+0xe5a/0xe60
[  270.777533][   T27]  kthread+0x42e/0x520
[  270.781720][   T27]  ? hungtask_pm_notify+0x40/0x40
[  270.786744][   T27]  ? kthread_blkcg+0xd0/0xd0
[  270.791337][   T27]  ret_from_fork+0x1f/0x30
[  270.795882][   T27]  </TASK>
[  270.799088][ T5447] CPU: 0 PID: 5447 Comm: syz.1.239 Not tainted syzkaller #0
[  270.806448][ T5447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  270.816849][ T5447] Call Trace:
[  270.820301][ T5447]  <TASK>
[  270.823379][ T5447]  dump_stack_lvl+0x188/0x250
[  270.828203][ T5447]  ? show_regs_print_info+0x20/0x20
[  270.833517][ T5447]  ? load_image+0x410/0x410
[  270.838378][ T5447]  sysfs_create_dir_ns+0x26a/0x290
[  270.843777][ T5447]  ? sysfs_warn_dup+0xa0/0xa0
[  270.848558][ T5447]  ? do_raw_spin_unlock+0x11d/0x230
[  270.853856][ T5447]  kobject_add_internal+0x5ba/0xcd0
[  270.859150][ T5447]  kobject_init_and_add+0x128/0x190
[  270.864349][ T5447]  ? lockdep_softirqs_off+0x430/0x430
[  270.869739][ T5447]  ? kobject_add+0x230/0x230
[  270.874424][ T5447]  ? __init_swait_queue_head+0xa4/0x140
[  270.880180][ T5447]  gfs2_sys_fs_add+0x24f/0x4b0
[  270.884950][ T5447]  ? gfs2_recover_set+0x240/0x240
[  270.890243][ T5447]  ? snprintf+0xe5/0x140
[  270.894660][ T5447]  ? __free_pages+0x95/0x1a0
[  270.899268][ T5447]  ? vscnprintf+0x80/0x80
[  270.903616][ T5447]  gfs2_fill_super+0x11ed/0x1ea0
[  270.908737][ T5447]  ? gfs2_reconfigure+0xd80/0xd80
[  270.913972][ T5447]  ? sb_set_blocksize+0xa5/0xe0
[  270.918906][ T5447]  get_tree_bdev+0x3e6/0x610
[  270.923677][ T5447]  ? gfs2_reconfigure+0xd80/0xd80
[  270.929000][ T5447]  gfs2_get_tree+0x4d/0x1e0
[  270.933680][ T5447]  vfs_get_tree+0x88/0x270
[  270.938184][ T5447]  do_new_mount+0x247/0xa40
[  270.942710][ T5447]  __se_sys_mount+0x2e3/0x3d0
[  270.947395][ T5447]  ? __x64_sys_mount+0xc0/0xc0
[  270.952155][ T5447]  ? lockdep_hardirqs_on+0x94/0x140
[  270.957352][ T5447]  ? __x64_sys_mount+0x1c/0xc0
[  270.962140][ T5447]  do_syscall_64+0x4c/0xa0
[  270.966554][ T5447]  ? clear_bhb_loop+0x30/0x80
[  270.971577][ T5447]  ? clear_bhb_loop+0x30/0x80
[  270.976448][ T5447]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  270.982344][ T5447] RIP: 0033:0x7fc6950ea60a
[  270.986841][ T5447] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  271.007174][ T5447] RSP: 002b:00007fc69474ce58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.015964][ T5447] RAX: ffffffffffffffda RBX: 00007fc69474cee0 RCX: 00007fc6950ea60a
[  271.024127][ T5447] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fc69474cea0
[  271.032182][ T5447] RBP: 0000200000000400 R08: 00007fc69474cee0 R09: 0000000000000000
[  271.040173][ T5447] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  271.048334][ T5447] R13: 00007fc69474cea0 R14: 00000000000125e1 R15: 00002000000000c0
[  271.056421][ T5447]  </TASK>
[  271.060309][   T27] Kernel Offset: disabled
[  271.065373][   T27] Rebooting in 86400 seconds..