[ T5574] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  220.654945][ T5574] CPU: 1 PID: 5574 Comm: syz.1.169 Not tainted syzkaller #0
[  220.662251][ T5574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  220.672310][ T5574] Call Trace:
[  220.675686][ T5574]  <TASK>
[  220.678625][ T5574]  dump_stack_lvl+0x168/0x230
[  220.683309][ T5574]  ? show_regs_print_info+0x20/0x20
[  220.688518][ T5574]  ? load_image+0x3b0/0x3b0
[  220.693039][ T5574]  sysfs_create_dir_ns+0x252/0x280
[  220.698159][ T5574]  ? __lock_acquire+0x7c60/0x7c60
[  220.703193][ T5574]  ? sysfs_warn_dup+0xa0/0xa0
[  220.707892][ T5574]  ? do_raw_spin_unlock+0x11d/0x230
[  220.713100][ T5574]  kobject_add_internal+0x662/0xd00
[  220.718411][ T5574]  kobject_init_and_add+0x122/0x190
[  220.723631][ T5574]  ? lockdep_softirqs_off+0x420/0x420
[  220.729025][ T5574]  ? kobject_add+0x210/0x210
[  220.733604][ T5574]  ? __init_swait_queue_head+0xa5/0x150
[  220.739138][ T5574]  gfs2_sys_fs_add+0x234/0x480
[  220.743886][ T5574]  ? gfs2_recover_set+0x240/0x240
[  220.749006][ T5574]  ? snprintf+0xd7/0x120
[  220.753227][ T5574]  ? __free_pages+0x95/0x1a0
[  220.757801][ T5574]  ? vscnprintf+0x80/0x80
[  220.762112][ T5574]  gfs2_fill_super+0x128d/0x1f50
[  220.767159][ T5574]  ? gfs2_reconfigure+0xcd0/0xcd0
[  220.772185][ T5574]  ? preempt_count_add+0x8d/0x190
[  220.777299][ T5574]  ? sb_set_blocksize+0xa5/0xe0
[  220.782142][ T5574]  get_tree_bdev+0x3f1/0x610
[  220.786719][ T5574]  ? gfs2_reconfigure+0xcd0/0xcd0
[  220.791728][ T5574]  gfs2_get_tree+0x4d/0x1e0
[  220.796212][ T5574]  vfs_get_tree+0x88/0x270
[  220.800610][ T5574]  do_new_mount+0x24a/0xa40
[  220.805140][ T5574]  __se_sys_mount+0x2d6/0x3c0
[  220.809816][ T5574]  ? __x64_sys_mount+0xc0/0xc0
[  220.814560][ T5574]  ? lockdep_hardirqs_on+0x94/0x140
[  220.819735][ T5574]  ? __x64_sys_mount+0x1c/0xc0
[  220.824476][ T5574]  do_syscall_64+0x4c/0xa0
[  220.828872][ T5574]  ? clear_bhb_loop+0x30/0x80
[  220.833617][ T5574]  ? clear_bhb_loop+0x30/0x80
[  220.838282][ T5574]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.844158][ T5574] RIP: 0033:0x7f775aa3b10a
[  220.848558][ T5574] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  220.868144][ T5574] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.876544][ T5574] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  220.884499][ T5574] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  220.892454][ T5574] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  220.900408][ T5574] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  220.908366][ T5574] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  220.916365][ T5574]  </TASK>
[  220.920135][ T5574] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  220.934321][ T5574] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
2025/09/13 10:03:37 executed programs: 156
[  221.285087][ T5576] loop1: detected capacity change from 0 to 32768
[  221.358295][ T5576] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  221.366645][ T5576] CPU: 0 PID: 5576 Comm: syz.1.170 Not tainted syzkaller #0
[  221.373942][ T5576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  221.384003][ T5576] Call Trace:
[  221.387288][ T5576]  <TASK>
[  221.390219][ T5576]  dump_stack_lvl+0x168/0x230
[  221.394904][ T5576]  ? show_regs_print_info+0x20/0x20
[  221.400109][ T5576]  ? load_image+0x3b0/0x3b0
[  221.404637][ T5576]  sysfs_create_dir_ns+0x252/0x280
[  221.409761][ T5576]  ? __lock_acquire+0x7c60/0x7c60
[  221.414806][ T5576]  ? sysfs_warn_dup+0xa0/0xa0
[  221.419491][ T5576]  ? do_raw_spin_unlock+0x11d/0x230
[  221.424693][ T5576]  kobject_add_internal+0x662/0xd00
[  221.429904][ T5576]  kobject_init_and_add+0x122/0x190
[  221.435109][ T5576]  ? lockdep_softirqs_off+0x420/0x420
[  221.440490][ T5576]  ? kobject_add+0x210/0x210
[  221.445082][ T5576]  ? __init_swait_queue_head+0xa5/0x150
[  221.450614][ T5576]  gfs2_sys_fs_add+0x234/0x480
[  221.455363][ T5576]  ? gfs2_recover_set+0x240/0x240
[  221.460393][ T5576]  ? snprintf+0xd7/0x120
[  221.464615][ T5576]  ? __free_pages+0x95/0x1a0
[  221.469198][ T5576]  ? vscnprintf+0x80/0x80
[  221.473510][ T5576]  gfs2_fill_super+0x128d/0x1f50
[  221.478435][ T5576]  ? gfs2_reconfigure+0xcd0/0xcd0
[  221.483435][ T5576]  ? preempt_count_add+0x8d/0x190
[  221.488442][ T5576]  ? sb_set_blocksize+0xa5/0xe0
[  221.493402][ T5576]  get_tree_bdev+0x3f1/0x610
[  221.497977][ T5576]  ? gfs2_reconfigure+0xcd0/0xcd0
[  221.502982][ T5576]  gfs2_get_tree+0x4d/0x1e0
[  221.507464][ T5576]  vfs_get_tree+0x88/0x270
[  221.511862][ T5576]  do_new_mount+0x24a/0xa40
[  221.516371][ T5576]  __se_sys_mount+0x2d6/0x3c0
[  221.521031][ T5576]  ? __x64_sys_mount+0xc0/0xc0
[  221.525775][ T5576]  ? lockdep_hardirqs_on+0x94/0x140
[  221.530949][ T5576]  ? __x64_sys_mount+0x1c/0xc0
[  221.535714][ T5576]  do_syscall_64+0x4c/0xa0
[  221.540103][ T5576]  ? clear_bhb_loop+0x30/0x80
[  221.544755][ T5576]  ? clear_bhb_loop+0x30/0x80
[  221.549427][ T5576]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.555295][ T5576] RIP: 0033:0x7f775aa3b10a
[  221.559691][ T5576] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  221.579404][ T5576] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.587811][ T5576] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  221.595804][ T5576] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  221.603856][ T5576] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  221.611822][ T5576] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  221.619793][ T5576] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  221.627766][ T5576]  </TASK>
[  221.636749][ T5576] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  221.650857][ T5576] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  221.743098][ T4438] Bluetooth: hci0: command 0x0406 tx timeout
[  221.961390][ T5578] loop1: detected capacity change from 0 to 32768
[  222.009487][ T5578] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  222.017670][ T5578] CPU: 1 PID: 5578 Comm: syz.1.171 Not tainted syzkaller #0
[  222.024963][ T5578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  222.035114][ T5578] Call Trace:
[  222.038400][ T5578]  <TASK>
[  222.041339][ T5578]  dump_stack_lvl+0x168/0x230
[  222.046025][ T5578]  ? show_regs_print_info+0x20/0x20
[  222.051247][ T5578]  ? load_image+0x3b0/0x3b0
[  222.055771][ T5578]  sysfs_create_dir_ns+0x252/0x280
[  222.060891][ T5578]  ? __lock_acquire+0x7c60/0x7c60
[  222.065918][ T5578]  ? sysfs_warn_dup+0xa0/0xa0
[  222.070615][ T5578]  ? do_raw_spin_unlock+0x11d/0x230
[  222.075825][ T5578]  kobject_add_internal+0x662/0xd00
[  222.081043][ T5578]  kobject_init_and_add+0x122/0x190
[  222.086245][ T5578]  ? lockdep_softirqs_off+0x420/0x420
[  222.091805][ T5578]  ? kobject_add+0x210/0x210
[  222.096389][ T5578]  ? __init_swait_queue_head+0xa5/0x150
[  222.101921][ T5578]  gfs2_sys_fs_add+0x234/0x480
[  222.106681][ T5578]  ? gfs2_recover_set+0x240/0x240
[  222.111684][ T5578]  ? snprintf+0xd7/0x120
[  222.115905][ T5578]  ? __free_pages+0x95/0x1a0
[  222.120490][ T5578]  ? vscnprintf+0x80/0x80
[  222.124805][ T5578]  gfs2_fill_super+0x128d/0x1f50
[  222.129732][ T5578]  ? gfs2_reconfigure+0xcd0/0xcd0
[  222.134736][ T5578]  ? preempt_count_add+0x8d/0x190
[  222.139743][ T5578]  ? sb_set_blocksize+0xa5/0xe0
[  222.144597][ T5578]  get_tree_bdev+0x3f1/0x610
[  222.149171][ T5578]  ? gfs2_reconfigure+0xcd0/0xcd0
[  222.154183][ T5578]  gfs2_get_tree+0x4d/0x1e0
[  222.158666][ T5578]  vfs_get_tree+0x88/0x270
[  222.163061][ T5578]  do_new_mount+0x24a/0xa40
[  222.167545][ T5578]  __se_sys_mount+0x2d6/0x3c0
[  222.172213][ T5578]  ? __x64_sys_mount+0xc0/0xc0
[  222.176971][ T5578]  ? lockdep_hardirqs_on+0x94/0x140
[  222.182146][ T5578]  ? __x64_sys_mount+0x1c/0xc0
[  222.186988][ T5578]  do_syscall_64+0x4c/0xa0
[  222.191395][ T5578]  ? clear_bhb_loop+0x30/0x80
[  222.196050][ T5578]  ? clear_bhb_loop+0x30/0x80
[  222.200720][ T5578]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.206705][ T5578] RIP: 0033:0x7f775aa3b10a
[  222.211133][ T5578] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.230853][ T5578] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.239352][ T5578] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  222.247487][ T5578] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  222.255451][ T5578] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  222.263412][ T5578] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  222.271371][ T5578] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  222.279348][ T5578]  </TASK>
[  222.283075][ T5578] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  222.297240][ T5578] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  222.625988][ T5580] loop1: detected capacity change from 0 to 32768
[  222.680185][ T5580] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  222.688464][ T5580] CPU: 0 PID: 5580 Comm: syz.1.172 Not tainted syzkaller #0
[  222.695853][ T5580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  222.705913][ T5580] Call Trace:
[  222.709198][ T5580]  <TASK>
[  222.712139][ T5580]  dump_stack_lvl+0x168/0x230
[  222.716824][ T5580]  ? show_regs_print_info+0x20/0x20
[  222.722037][ T5580]  ? load_image+0x3b0/0x3b0
[  222.726563][ T5580]  sysfs_create_dir_ns+0x252/0x280
[  222.731684][ T5580]  ? __lock_acquire+0x7c60/0x7c60
[  222.736717][ T5580]  ? sysfs_warn_dup+0xa0/0xa0
[  222.741414][ T5580]  ? do_raw_spin_unlock+0x11d/0x230
[  222.746617][ T5580]  kobject_add_internal+0x662/0xd00
[  222.751946][ T5580]  kobject_init_and_add+0x122/0x190
[  222.757148][ T5580]  ? lockdep_softirqs_off+0x420/0x420
[  222.762964][ T5580]  ? kobject_add+0x210/0x210
[  222.767542][ T5580]  ? __init_swait_queue_head+0xa5/0x150
[  222.773072][ T5580]  gfs2_sys_fs_add+0x234/0x480
[  222.777817][ T5580]  ? gfs2_recover_set+0x240/0x240
[  222.782821][ T5580]  ? snprintf+0xd7/0x120
[  222.787046][ T5580]  ? __free_pages+0x95/0x1a0
[  222.791624][ T5580]  ? vscnprintf+0x80/0x80
[  222.795961][ T5580]  gfs2_fill_super+0x128d/0x1f50
[  222.800912][ T5580]  ? gfs2_reconfigure+0xcd0/0xcd0
[  222.805926][ T5580]  ? preempt_count_add+0x8d/0x190
[  222.810939][ T5580]  ? sb_set_blocksize+0xa5/0xe0
[  222.815951][ T5580]  get_tree_bdev+0x3f1/0x610
[  222.820549][ T5580]  ? gfs2_reconfigure+0xcd0/0xcd0
[  222.825564][ T5580]  gfs2_get_tree+0x4d/0x1e0
[  222.830051][ T5580]  vfs_get_tree+0x88/0x270
[  222.834460][ T5580]  do_new_mount+0x24a/0xa40
[  222.838946][ T5580]  __se_sys_mount+0x2d6/0x3c0
[  222.843602][ T5580]  ? __x64_sys_mount+0xc0/0xc0
[  222.848363][ T5580]  ? lockdep_hardirqs_on+0x94/0x140
[  222.853546][ T5580]  ? __x64_sys_mount+0x1c/0xc0
[  222.858284][ T5580]  do_syscall_64+0x4c/0xa0
[  222.862759][ T5580]  ? clear_bhb_loop+0x30/0x80
[  222.867410][ T5580]  ? clear_bhb_loop+0x30/0x80
[  222.872059][ T5580]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.877927][ T5580] RIP: 0033:0x7f775aa3b10a
[  222.882320][ T5580] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  222.901907][ T5580] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.910572][ T5580] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  222.918853][ T5580] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  222.927021][ T5580] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  222.934997][ T5580] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  222.942967][ T5580] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  222.951496][ T5580]  </TASK>
[  222.964942][ T5580] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  222.979347][ T5580] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  223.311806][ T5582] loop1: detected capacity change from 0 to 32768
[  223.355339][ T5582] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  223.363494][ T5582] CPU: 0 PID: 5582 Comm: syz.1.173 Not tainted syzkaller #0
[  223.371220][ T5582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  223.381302][ T5582] Call Trace:
[  223.384589][ T5582]  <TASK>
[  223.387530][ T5582]  dump_stack_lvl+0x168/0x230
[  223.392224][ T5582]  ? show_regs_print_info+0x20/0x20
[  223.397426][ T5582]  ? load_image+0x3b0/0x3b0
[  223.401956][ T5582]  sysfs_create_dir_ns+0x252/0x280
[  223.407081][ T5582]  ? __lock_acquire+0x7c60/0x7c60
[  223.412117][ T5582]  ? sysfs_warn_dup+0xa0/0xa0
[  223.416932][ T5582]  ? do_raw_spin_unlock+0x11d/0x230
[  223.423007][ T5582]  kobject_add_internal+0x662/0xd00
[  223.428222][ T5582]  kobject_init_and_add+0x122/0x190
[  223.433426][ T5582]  ? lockdep_softirqs_off+0x420/0x420
[  223.438815][ T5582]  ? kobject_add+0x210/0x210
[  223.443453][ T5582]  ? __init_swait_queue_head+0xa5/0x150
[  223.448986][ T5582]  gfs2_sys_fs_add+0x234/0x480
[  223.453728][ T5582]  ? gfs2_recover_set+0x240/0x240
[  223.458728][ T5582]  ? snprintf+0xd7/0x120
[  223.462963][ T5582]  ? __free_pages+0x95/0x1a0
[  223.467534][ T5582]  ? vscnprintf+0x80/0x80
[  223.471855][ T5582]  gfs2_fill_super+0x128d/0x1f50
[  223.476821][ T5582]  ? gfs2_reconfigure+0xcd0/0xcd0
[  223.481827][ T5582]  ? preempt_count_add+0x8d/0x190
[  223.486836][ T5582]  ? sb_set_blocksize+0xa5/0xe0
[  223.491670][ T5582]  get_tree_bdev+0x3f1/0x610
[  223.496257][ T5582]  ? gfs2_reconfigure+0xcd0/0xcd0
[  223.501259][ T5582]  gfs2_get_tree+0x4d/0x1e0
[  223.505742][ T5582]  vfs_get_tree+0x88/0x270
[  223.510136][ T5582]  do_new_mount+0x24a/0xa40
[  223.514732][ T5582]  __se_sys_mount+0x2d6/0x3c0
[  223.519393][ T5582]  ? __x64_sys_mount+0xc0/0xc0
[  223.524146][ T5582]  ? lockdep_hardirqs_on+0x94/0x140
[  223.529407][ T5582]  ? __x64_sys_mount+0x1c/0xc0
[  223.534157][ T5582]  do_syscall_64+0x4c/0xa0
[  223.538552][ T5582]  ? clear_bhb_loop+0x30/0x80
[  223.543314][ T5582]  ? clear_bhb_loop+0x30/0x80
[  223.548088][ T5582]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.553972][ T5582] RIP: 0033:0x7f775aa3b10a
[  223.558376][ T5582] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  223.578180][ T5582] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.586585][ T5582] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  223.594548][ T5582] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  223.602600][ T5582] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  223.610555][ T5582] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  223.618505][ T5582] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  223.626470][ T5582]  </TASK>
[  223.631473][ T5582] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  223.645604][ T5582] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  223.959189][ T5584] loop1: detected capacity change from 0 to 32768
[  224.003183][ T5584] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  224.012086][ T5584] CPU: 1 PID: 5584 Comm: syz.1.174 Not tainted syzkaller #0
[  224.019414][ T5584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  224.029480][ T5584] Call Trace:
[  224.032768][ T5584]  <TASK>
[  224.035706][ T5584]  dump_stack_lvl+0x168/0x230
[  224.040400][ T5584]  ? show_regs_print_info+0x20/0x20
[  224.045611][ T5584]  ? load_image+0x3b0/0x3b0
[  224.050141][ T5584]  sysfs_create_dir_ns+0x252/0x280
[  224.055266][ T5584]  ? __lock_acquire+0x7c60/0x7c60
[  224.060313][ T5584]  ? sysfs_warn_dup+0xa0/0xa0
[  224.065016][ T5584]  ? do_raw_spin_unlock+0x11d/0x230
[  224.070233][ T5584]  kobject_add_internal+0x662/0xd00
[  224.075453][ T5584]  kobject_init_and_add+0x122/0x190
[  224.080662][ T5584]  ? lockdep_softirqs_off+0x420/0x420
[  224.086048][ T5584]  ? kobject_add+0x210/0x210
[  224.090649][ T5584]  ? __init_swait_queue_head+0xa5/0x150
[  224.096273][ T5584]  gfs2_sys_fs_add+0x234/0x480
[  224.101029][ T5584]  ? gfs2_recover_set+0x240/0x240
[  224.106058][ T5584]  ? snprintf+0xd7/0x120
[  224.110282][ T5584]  ? __free_pages+0x95/0x1a0
[  224.114854][ T5584]  ? vscnprintf+0x80/0x80
[  224.119171][ T5584]  gfs2_fill_super+0x128d/0x1f50
[  224.124139][ T5584]  ? gfs2_reconfigure+0xcd0/0xcd0
[  224.129155][ T5584]  ? preempt_count_add+0x8d/0x190
[  224.134169][ T5584]  ? sb_set_blocksize+0xa5/0xe0
[  224.139005][ T5584]  get_tree_bdev+0x3f1/0x610
[  224.143573][ T5584]  ? gfs2_reconfigure+0xcd0/0xcd0
[  224.148604][ T5584]  gfs2_get_tree+0x4d/0x1e0
[  224.153187][ T5584]  vfs_get_tree+0x88/0x270
[  224.157605][ T5584]  do_new_mount+0x24a/0xa40
[  224.162103][ T5584]  __se_sys_mount+0x2d6/0x3c0
[  224.166886][ T5584]  ? __x64_sys_mount+0xc0/0xc0
[  224.171650][ T5584]  ? lockdep_hardirqs_on+0x94/0x140
[  224.176855][ T5584]  ? __x64_sys_mount+0x1c/0xc0
[  224.181604][ T5584]  do_syscall_64+0x4c/0xa0
[  224.186003][ T5584]  ? clear_bhb_loop+0x30/0x80
[  224.190665][ T5584]  ? clear_bhb_loop+0x30/0x80
[  224.195326][ T5584]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.201219][ T5584] RIP: 0033:0x7f775aa3b10a
[  224.205629][ T5584] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.225217][ T5584] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.233634][ T5584] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  224.241774][ T5584] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  224.249733][ T5584] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  224.257692][ T5584] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  224.265666][ T5584] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  224.273644][ T5584]  </TASK>
[  224.278051][ T5584] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  224.292294][ T5584] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  224.639176][ T5586] loop1: detected capacity change from 0 to 32768
[  224.650711][ T5586] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  224.658903][ T5586] CPU: 1 PID: 5586 Comm: syz.1.175 Not tainted syzkaller #0
[  224.666202][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  224.676269][ T5586] Call Trace:
[  224.679553][ T5586]  <TASK>
[  224.682486][ T5586]  dump_stack_lvl+0x168/0x230
[  224.687175][ T5586]  ? show_regs_print_info+0x20/0x20
[  224.692377][ T5586]  ? load_image+0x3b0/0x3b0
[  224.696871][ T5586]  sysfs_create_dir_ns+0x252/0x280
[  224.702112][ T5586]  ? __lock_acquire+0x7c60/0x7c60
[  224.707143][ T5586]  ? sysfs_warn_dup+0xa0/0xa0
[  224.711815][ T5586]  kobject_add_internal+0x662/0xd00
[  224.717186][ T5586]  kobject_init_and_add+0x122/0x190
[  224.722374][ T5586]  ? lockdep_softirqs_off+0x420/0x420
[  224.727732][ T5586]  ? kobject_add+0x210/0x210
[  224.732399][ T5586]  ? __init_swait_queue_head+0xa5/0x150
[  224.738093][ T5586]  gfs2_sys_fs_add+0x234/0x480
[  224.742852][ T5586]  ? gfs2_recover_set+0x240/0x240
[  224.747971][ T5586]  ? snprintf+0xd7/0x120
[  224.752201][ T5586]  ? __free_pages+0x95/0x1a0
[  224.756780][ T5586]  ? vscnprintf+0x80/0x80
[  224.761218][ T5586]  gfs2_fill_super+0x128d/0x1f50
[  224.766176][ T5586]  ? gfs2_reconfigure+0xcd0/0xcd0
[  224.771649][ T5586]  ? preempt_count_add+0x8d/0x190
[  224.777285][ T5586]  ? sb_set_blocksize+0xa5/0xe0
[  224.782262][ T5586]  get_tree_bdev+0x3f1/0x610
[  224.786862][ T5586]  ? gfs2_reconfigure+0xcd0/0xcd0
[  224.792258][ T5586]  gfs2_get_tree+0x4d/0x1e0
[  224.796755][ T5586]  vfs_get_tree+0x88/0x270
[  224.801160][ T5586]  do_new_mount+0x24a/0xa40
[  224.805697][ T5586]  __se_sys_mount+0x2d6/0x3c0
[  224.810369][ T5586]  ? __x64_sys_mount+0xc0/0xc0
[  224.815129][ T5586]  ? lockdep_hardirqs_on+0x94/0x140
[  224.820532][ T5586]  ? __x64_sys_mount+0x1c/0xc0
[  224.825291][ T5586]  do_syscall_64+0x4c/0xa0
[  224.829696][ T5586]  ? clear_bhb_loop+0x30/0x80
[  224.834518][ T5586]  ? clear_bhb_loop+0x30/0x80
[  224.839270][ T5586]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.845144][ T5586] RIP: 0033:0x7f775aa3b10a
[  224.849557][ T5586] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  224.869150][ T5586] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.877547][ T5586] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  224.885504][ T5586] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  224.893459][ T5586] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  224.901426][ T5586] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  224.909380][ T5586] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  224.917344][ T5586]  </TASK>
[  224.922236][ T5586] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  224.936586][ T5586] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  225.242675][ T5588] loop1: detected capacity change from 0 to 32768
[  225.291989][ T5588] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  225.311025][ T5588] CPU: 1 PID: 5588 Comm: syz.1.176 Not tainted syzkaller #0
[  225.318713][ T5588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  225.328780][ T5588] Call Trace:
[  225.332073][ T5588]  <TASK>
[  225.335022][ T5588]  dump_stack_lvl+0x168/0x230
[  225.340080][ T5588]  ? show_regs_print_info+0x20/0x20
[  225.345297][ T5588]  ? load_image+0x3b0/0x3b0
[  225.349927][ T5588]  sysfs_create_dir_ns+0x252/0x280
[  225.355506][ T5588]  ? __lock_acquire+0x7c60/0x7c60
[  225.360545][ T5588]  ? sysfs_warn_dup+0xa0/0xa0
[  225.365230][ T5588]  ? do_raw_spin_unlock+0x11d/0x230
[  225.370448][ T5588]  kobject_add_internal+0x662/0xd00
[  225.375652][ T5588]  kobject_init_and_add+0x122/0x190
[  225.380841][ T5588]  ? lockdep_softirqs_off+0x420/0x420
[  225.386205][ T5588]  ? kobject_add+0x210/0x210
[  225.390784][ T5588]  ? __init_swait_queue_head+0xa5/0x150
[  225.396314][ T5588]  gfs2_sys_fs_add+0x234/0x480
[  225.401061][ T5588]  ? gfs2_recover_set+0x240/0x240
[  225.406065][ T5588]  ? snprintf+0xd7/0x120
[  225.410289][ T5588]  ? __free_pages+0x95/0x1a0
[  225.414856][ T5588]  ? vscnprintf+0x80/0x80
[  225.419178][ T5588]  gfs2_fill_super+0x128d/0x1f50
[  225.424109][ T5588]  ? gfs2_reconfigure+0xcd0/0xcd0
[  225.429240][ T5588]  ? preempt_count_add+0x8d/0x190
[  225.434269][ T5588]  ? sb_set_blocksize+0xa5/0xe0
[  225.439133][ T5588]  get_tree_bdev+0x3f1/0x610
[  225.443711][ T5588]  ? gfs2_reconfigure+0xcd0/0xcd0
[  225.448731][ T5588]  gfs2_get_tree+0x4d/0x1e0
[  225.453214][ T5588]  vfs_get_tree+0x88/0x270
[  225.457609][ T5588]  do_new_mount+0x24a/0xa40
[  225.462091][ T5588]  __se_sys_mount+0x2d6/0x3c0
[  225.466750][ T5588]  ? __x64_sys_mount+0xc0/0xc0
[  225.471493][ T5588]  ? lockdep_hardirqs_on+0x94/0x140
[  225.476668][ T5588]  ? __x64_sys_mount+0x1c/0xc0
[  225.481591][ T5588]  do_syscall_64+0x4c/0xa0
[  225.486122][ T5588]  ? clear_bhb_loop+0x30/0x80
[  225.490791][ T5588]  ? clear_bhb_loop+0x30/0x80
[  225.496149][ T5588]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.502040][ T5588] RIP: 0033:0x7f775aa3b10a
[  225.506565][ T5588] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  225.526159][ T5588] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.534559][ T5588] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  225.542515][ T5588] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  225.550552][ T5588] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  225.558503][ T5588] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  225.566453][ T5588] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  225.574422][ T5588]  </TASK>
[  225.578588][ T5588] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  225.592933][ T5588] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  225.929480][ T5590] loop1: detected capacity change from 0 to 32768
[  225.973218][ T5590] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  225.982734][ T5590] CPU: 0 PID: 5590 Comm: syz.1.177 Not tainted syzkaller #0
[  225.990129][ T5590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  226.000188][ T5590] Call Trace:
[  226.003519][ T5590]  <TASK>
[  226.006458][ T5590]  dump_stack_lvl+0x168/0x230
[  226.011154][ T5590]  ? show_regs_print_info+0x20/0x20
[  226.016358][ T5590]  ? load_image+0x3b0/0x3b0
[  226.020877][ T5590]  sysfs_create_dir_ns+0x252/0x280
[  226.025990][ T5590]  ? __lock_acquire+0x7c60/0x7c60
[  226.031030][ T5590]  ? sysfs_warn_dup+0xa0/0xa0
[  226.035728][ T5590]  ? do_raw_spin_unlock+0x11d/0x230
[  226.040944][ T5590]  kobject_add_internal+0x662/0xd00
[  226.046227][ T5590]  kobject_init_and_add+0x122/0x190
[  226.051430][ T5590]  ? lockdep_softirqs_off+0x420/0x420
[  226.056810][ T5590]  ? kobject_add+0x210/0x210
[  226.061430][ T5590]  ? __init_swait_queue_head+0xa5/0x150
[  226.067070][ T5590]  gfs2_sys_fs_add+0x234/0x480
[  226.071823][ T5590]  ? gfs2_recover_set+0x240/0x240
[  226.076824][ T5590]  ? snprintf+0xd7/0x120
[  226.081059][ T5590]  ? __free_pages+0x95/0x1a0
[  226.085650][ T5590]  ? vscnprintf+0x80/0x80
[  226.090136][ T5590]  gfs2_fill_super+0x128d/0x1f50
[  226.095078][ T5590]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.100097][ T5590]  ? preempt_count_add+0x8d/0x190
[  226.105113][ T5590]  ? sb_set_blocksize+0xa5/0xe0
[  226.109950][ T5590]  get_tree_bdev+0x3f1/0x610
[  226.114525][ T5590]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.119542][ T5590]  gfs2_get_tree+0x4d/0x1e0
[  226.124053][ T5590]  vfs_get_tree+0x88/0x270
[  226.128543][ T5590]  do_new_mount+0x24a/0xa40
[  226.133033][ T5590]  __se_sys_mount+0x2d6/0x3c0
[  226.137709][ T5590]  ? __x64_sys_mount+0xc0/0xc0
[  226.142461][ T5590]  ? lockdep_hardirqs_on+0x94/0x140
[  226.147674][ T5590]  ? __x64_sys_mount+0x1c/0xc0
[  226.152598][ T5590]  do_syscall_64+0x4c/0xa0
[  226.157023][ T5590]  ? clear_bhb_loop+0x30/0x80
[  226.162116][ T5590]  ? clear_bhb_loop+0x30/0x80
[  226.166795][ T5590]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.172687][ T5590] RIP: 0033:0x7f775aa3b10a
[  226.177087][ T5590] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.196948][ T5590] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.205378][ T5590] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  226.213363][ T5590] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  226.221428][ T5590] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  226.229404][ T5590] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  226.237360][ T5590] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  226.245418][ T5590]  </TASK>
[  226.255675][ T5590] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  226.270364][ T5590] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
2025/09/13 10:03:43 executed programs: 164
[  226.578194][ T5592] loop1: detected capacity change from 0 to 32768
[  226.674688][ T5592] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  226.683788][ T5592] CPU: 1 PID: 5592 Comm: syz.1.178 Not tainted syzkaller #0
[  226.691087][ T5592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  226.701144][ T5592] Call Trace:
[  226.704434][ T5592]  <TASK>
[  226.707372][ T5592]  dump_stack_lvl+0x168/0x230
[  226.712062][ T5592]  ? show_regs_print_info+0x20/0x20
[  226.717286][ T5592]  ? load_image+0x3b0/0x3b0
[  226.721808][ T5592]  sysfs_create_dir_ns+0x252/0x280
[  226.726933][ T5592]  ? __lock_acquire+0x7c60/0x7c60
[  226.731988][ T5592]  ? sysfs_warn_dup+0xa0/0xa0
[  226.736658][ T5592]  ? do_raw_spin_unlock+0x11d/0x230
[  226.741855][ T5592]  kobject_add_internal+0x662/0xd00
[  226.747068][ T5592]  kobject_init_and_add+0x122/0x190
[  226.752266][ T5592]  ? lockdep_softirqs_off+0x420/0x420
[  226.757629][ T5592]  ? kobject_add+0x210/0x210
[  226.762229][ T5592]  ? __init_swait_queue_head+0xa5/0x150
[  226.767864][ T5592]  gfs2_sys_fs_add+0x234/0x480
[  226.772610][ T5592]  ? gfs2_recover_set+0x240/0x240
[  226.777609][ T5592]  ? snprintf+0xd7/0x120
[  226.781849][ T5592]  ? __free_pages+0x95/0x1a0
[  226.786426][ T5592]  ? vscnprintf+0x80/0x80
[  226.790761][ T5592]  gfs2_fill_super+0x128d/0x1f50
[  226.795690][ T5592]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.800802][ T5592]  ? preempt_count_add+0x8d/0x190
[  226.806000][ T5592]  ? sb_set_blocksize+0xa5/0xe0
[  226.810843][ T5592]  get_tree_bdev+0x3f1/0x610
[  226.815420][ T5592]  ? gfs2_reconfigure+0xcd0/0xcd0
[  226.820514][ T5592]  gfs2_get_tree+0x4d/0x1e0
[  226.825186][ T5592]  vfs_get_tree+0x88/0x270
[  226.829602][ T5592]  do_new_mount+0x24a/0xa40
[  226.834104][ T5592]  __se_sys_mount+0x2d6/0x3c0
[  226.838770][ T5592]  ? __x64_sys_mount+0xc0/0xc0
[  226.843520][ T5592]  ? lockdep_hardirqs_on+0x94/0x140
[  226.848718][ T5592]  ? __x64_sys_mount+0x1c/0xc0
[  226.853488][ T5592]  do_syscall_64+0x4c/0xa0
[  226.857893][ T5592]  ? clear_bhb_loop+0x30/0x80
[  226.862582][ T5592]  ? clear_bhb_loop+0x30/0x80
[  226.867259][ T5592]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.873153][ T5592] RIP: 0033:0x7f775aa3b10a
[  226.877559][ T5592] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  226.897685][ T5592] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.906099][ T5592] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  226.914056][ T5592] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  226.922016][ T5592] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  226.929969][ T5592] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  226.938008][ T5592] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  226.945972][ T5592]  </TASK>
[  226.949720][ T5592] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  226.963628][ T5592] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  227.316810][ T5594] loop1: detected capacity change from 0 to 32768
[  227.363437][ T5594] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  227.372811][ T5594] CPU: 0 PID: 5594 Comm: syz.1.179 Not tainted syzkaller #0
[  227.380128][ T5594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  227.390192][ T5594] Call Trace:
[  227.393473][ T5594]  <TASK>
[  227.396407][ T5594]  dump_stack_lvl+0x168/0x230
[  227.401103][ T5594]  ? show_regs_print_info+0x20/0x20
[  227.406317][ T5594]  ? load_image+0x3b0/0x3b0
[  227.410858][ T5594]  sysfs_create_dir_ns+0x252/0x280
[  227.415988][ T5594]  ? __lock_acquire+0x7c60/0x7c60
[  227.421029][ T5594]  ? sysfs_warn_dup+0xa0/0xa0
[  227.425722][ T5594]  ? do_raw_spin_unlock+0x11d/0x230
[  227.430940][ T5594]  kobject_add_internal+0x662/0xd00
[  227.436170][ T5594]  kobject_init_and_add+0x122/0x190
[  227.441567][ T5594]  ? lockdep_softirqs_off+0x420/0x420
[  227.447399][ T5594]  ? kobject_add+0x210/0x210
[  227.452007][ T5594]  ? __init_swait_queue_head+0xa5/0x150
[  227.457570][ T5594]  gfs2_sys_fs_add+0x234/0x480
[  227.462431][ T5594]  ? gfs2_recover_set+0x240/0x240
[  227.467629][ T5594]  ? snprintf+0xd7/0x120
[  227.471867][ T5594]  ? __free_pages+0x95/0x1a0
[  227.476458][ T5594]  ? vscnprintf+0x80/0x80
[  227.480844][ T5594]  gfs2_fill_super+0x128d/0x1f50
[  227.485895][ T5594]  ? gfs2_reconfigure+0xcd0/0xcd0
[  227.490943][ T5594]  ? preempt_count_add+0x8d/0x190
[  227.496097][ T5594]  ? sb_set_blocksize+0xa5/0xe0
[  227.501041][ T5594]  get_tree_bdev+0x3f1/0x610
[  227.506281][ T5594]  ? gfs2_reconfigure+0xcd0/0xcd0
[  227.511397][ T5594]  gfs2_get_tree+0x4d/0x1e0
[  227.515927][ T5594]  vfs_get_tree+0x88/0x270
[  227.520365][ T5594]  do_new_mount+0x24a/0xa40
[  227.524893][ T5594]  __se_sys_mount+0x2d6/0x3c0
[  227.530206][ T5594]  ? __x64_sys_mount+0xc0/0xc0
[  227.534974][ T5594]  ? lockdep_hardirqs_on+0x94/0x140
[  227.540165][ T5594]  ? __x64_sys_mount+0x1c/0xc0
[  227.544914][ T5594]  do_syscall_64+0x4c/0xa0
[  227.549315][ T5594]  ? clear_bhb_loop+0x30/0x80
[  227.553977][ T5594]  ? clear_bhb_loop+0x30/0x80
[  227.558645][ T5594]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.564561][ T5594] RIP: 0033:0x7f775aa3b10a
[  227.568986][ T5594] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  227.588660][ T5594] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.597083][ T5594] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  227.605325][ T5594] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  227.613509][ T5594] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  227.621476][ T5594] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  227.629442][ T5594] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  227.637673][ T5594]  </TASK>
[  227.642662][ T5594] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  227.656527][ T5594] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  227.982763][ T5596] loop1: detected capacity change from 0 to 32768
[  228.030382][ T5596] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  228.039698][ T5596] CPU: 0 PID: 5596 Comm: syz.1.180 Not tainted syzkaller #0
[  228.047008][ T5596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  228.057072][ T5596] Call Trace:
[  228.060366][ T5596]  <TASK>
[  228.063298][ T5596]  dump_stack_lvl+0x168/0x230
[  228.067991][ T5596]  ? show_regs_print_info+0x20/0x20
[  228.073198][ T5596]  ? load_image+0x3b0/0x3b0
[  228.077721][ T5596]  sysfs_create_dir_ns+0x252/0x280
[  228.082850][ T5596]  ? __lock_acquire+0x7c60/0x7c60
[  228.087881][ T5596]  ? sysfs_warn_dup+0xa0/0xa0
[  228.092564][ T5596]  ? do_raw_spin_unlock+0x11d/0x230
[  228.097771][ T5596]  kobject_add_internal+0x662/0xd00
[  228.102985][ T5596]  kobject_init_and_add+0x122/0x190
[  228.108252][ T5596]  ? lockdep_softirqs_off+0x420/0x420
[  228.113611][ T5596]  ? kobject_add+0x210/0x210
[  228.118190][ T5596]  ? __init_swait_queue_head+0xa5/0x150
[  228.123765][ T5596]  gfs2_sys_fs_add+0x234/0x480
[  228.128599][ T5596]  ? gfs2_recover_set+0x240/0x240
[  228.133784][ T5596]  ? snprintf+0xd7/0x120
[  228.138122][ T5596]  ? __free_pages+0x95/0x1a0
[  228.142754][ T5596]  ? vscnprintf+0x80/0x80
[  228.147422][ T5596]  gfs2_fill_super+0x128d/0x1f50
[  228.152349][ T5596]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.157359][ T5596]  ? preempt_count_add+0x8d/0x190
[  228.162636][ T5596]  ? sb_set_blocksize+0xa5/0xe0
[  228.167560][ T5596]  get_tree_bdev+0x3f1/0x610
[  228.172130][ T5596]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.177148][ T5596]  gfs2_get_tree+0x4d/0x1e0
[  228.181638][ T5596]  vfs_get_tree+0x88/0x270
[  228.186047][ T5596]  do_new_mount+0x24a/0xa40
[  228.190531][ T5596]  __se_sys_mount+0x2d6/0x3c0
[  228.195385][ T5596]  ? __x64_sys_mount+0xc0/0xc0
[  228.200129][ T5596]  ? lockdep_hardirqs_on+0x94/0x140
[  228.205392][ T5596]  ? __x64_sys_mount+0x1c/0xc0
[  228.210141][ T5596]  do_syscall_64+0x4c/0xa0
[  228.214543][ T5596]  ? clear_bhb_loop+0x30/0x80
[  228.219336][ T5596]  ? clear_bhb_loop+0x30/0x80
[  228.224012][ T5596]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.229985][ T5596] RIP: 0033:0x7f775aa3b10a
[  228.234385][ T5596] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.253982][ T5596] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.262383][ T5596] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  228.270568][ T5596] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  228.278679][ T5596] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  228.286645][ T5596] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  228.295066][ T5596] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  228.303050][ T5596]  </TASK>
[  228.315270][ T5596] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  228.329762][ T5596] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  228.665005][ T5598] loop1: detected capacity change from 0 to 32768
[  228.755259][ T5598] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  228.766424][ T5598] CPU: 0 PID: 5598 Comm: syz.1.181 Not tainted syzkaller #0
[  228.776868][ T5598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  228.787204][ T5598] Call Trace:
[  228.790718][ T5598]  <TASK>
[  228.793692][ T5598]  dump_stack_lvl+0x168/0x230
[  228.798382][ T5598]  ? show_regs_print_info+0x20/0x20
[  228.803772][ T5598]  ? load_image+0x3b0/0x3b0
[  228.808759][ T5598]  sysfs_create_dir_ns+0x252/0x280
[  228.813871][ T5598]  ? __lock_acquire+0x7c60/0x7c60
[  228.818889][ T5598]  ? sysfs_warn_dup+0xa0/0xa0
[  228.823576][ T5598]  ? do_raw_spin_unlock+0x11d/0x230
[  228.828776][ T5598]  kobject_add_internal+0x662/0xd00
[  228.834217][ T5598]  kobject_init_and_add+0x122/0x190
[  228.839406][ T5598]  ? lockdep_softirqs_off+0x420/0x420
[  228.844762][ T5598]  ? kobject_add+0x210/0x210
[  228.849341][ T5598]  ? __init_swait_queue_head+0xa5/0x150
[  228.854887][ T5598]  gfs2_sys_fs_add+0x234/0x480
[  228.859642][ T5598]  ? gfs2_recover_set+0x240/0x240
[  228.864667][ T5598]  ? snprintf+0xd7/0x120
[  228.868959][ T5598]  ? __free_pages+0x95/0x1a0
[  228.873544][ T5598]  ? vscnprintf+0x80/0x80
[  228.877869][ T5598]  gfs2_fill_super+0x128d/0x1f50
[  228.882821][ T5598]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.887943][ T5598]  ? preempt_count_add+0x8d/0x190
[  228.892953][ T5598]  ? sb_set_blocksize+0xa5/0xe0
[  228.897784][ T5598]  get_tree_bdev+0x3f1/0x610
[  228.902356][ T5598]  ? gfs2_reconfigure+0xcd0/0xcd0
[  228.907379][ T5598]  gfs2_get_tree+0x4d/0x1e0
[  228.911871][ T5598]  vfs_get_tree+0x88/0x270
[  228.916273][ T5598]  do_new_mount+0x24a/0xa40
[  228.920756][ T5598]  __se_sys_mount+0x2d6/0x3c0
[  228.925616][ T5598]  ? __x64_sys_mount+0xc0/0xc0
[  228.930392][ T5598]  ? lockdep_hardirqs_on+0x94/0x140
[  228.935591][ T5598]  ? __x64_sys_mount+0x1c/0xc0
[  228.940360][ T5598]  do_syscall_64+0x4c/0xa0
[  228.944824][ T5598]  ? clear_bhb_loop+0x30/0x80
[  228.950300][ T5598]  ? clear_bhb_loop+0x30/0x80
[  228.954962][ T5598]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.960852][ T5598] RIP: 0033:0x7f775aa3b10a
[  228.965268][ T5598] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  228.984944][ T5598] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.993350][ T5598] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  229.001311][ T5598] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  229.009295][ T5598] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  229.017969][ T5598] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  229.026103][ T5598] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  229.034415][ T5598]  </TASK>
[  229.039709][ T5598] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  229.053651][ T5598] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  229.387426][ T5600] loop1: detected capacity change from 0 to 32768
[  229.460199][ T5600] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  229.468471][ T5600] CPU: 1 PID: 5600 Comm: syz.1.182 Not tainted syzkaller #0
[  229.476174][ T5600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  229.486326][ T5600] Call Trace:
[  229.489620][ T5600]  <TASK>
[  229.492945][ T5600]  dump_stack_lvl+0x168/0x230
[  229.497639][ T5600]  ? show_regs_print_info+0x20/0x20
[  229.502865][ T5600]  ? load_image+0x3b0/0x3b0
[  229.507404][ T5600]  sysfs_create_dir_ns+0x252/0x280
[  229.512527][ T5600]  ? __lock_acquire+0x7c60/0x7c60
[  229.517561][ T5600]  ? sysfs_warn_dup+0xa0/0xa0
[  229.522267][ T5600]  ? do_raw_spin_unlock+0x11d/0x230
[  229.527490][ T5600]  kobject_add_internal+0x662/0xd00
[  229.532716][ T5600]  kobject_init_and_add+0x122/0x190
[  229.537959][ T5600]  ? lockdep_softirqs_off+0x420/0x420
[  229.543321][ T5600]  ? kobject_add+0x210/0x210
[  229.548019][ T5600]  ? __init_swait_queue_head+0xa5/0x150
[  229.554017][ T5600]  gfs2_sys_fs_add+0x234/0x480
[  229.559306][ T5600]  ? gfs2_recover_set+0x240/0x240
[  229.564593][ T5600]  ? snprintf+0xd7/0x120
[  229.568837][ T5600]  ? __free_pages+0x95/0x1a0
[  229.573416][ T5600]  ? vscnprintf+0x80/0x80
[  229.577740][ T5600]  gfs2_fill_super+0x128d/0x1f50
[  229.582670][ T5600]  ? gfs2_reconfigure+0xcd0/0xcd0
[  229.587678][ T5600]  ? preempt_count_add+0x8d/0x190
[  229.592702][ T5600]  ? sb_set_blocksize+0xa5/0xe0
[  229.597553][ T5600]  get_tree_bdev+0x3f1/0x610
[  229.602153][ T5600]  ? gfs2_reconfigure+0xcd0/0xcd0
[  229.607172][ T5600]  gfs2_get_tree+0x4d/0x1e0
[  229.611813][ T5600]  vfs_get_tree+0x88/0x270
[  229.616230][ T5600]  do_new_mount+0x24a/0xa40
[  229.620721][ T5600]  __se_sys_mount+0x2d6/0x3c0
[  229.625380][ T5600]  ? __x64_sys_mount+0xc0/0xc0
[  229.630145][ T5600]  ? lockdep_hardirqs_on+0x94/0x140
[  229.635336][ T5600]  ? __x64_sys_mount+0x1c/0xc0
[  229.640154][ T5600]  do_syscall_64+0x4c/0xa0
[  229.644702][ T5600]  ? clear_bhb_loop+0x30/0x80
[  229.649579][ T5600]  ? clear_bhb_loop+0x30/0x80
[  229.654346][ T5600]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.660417][ T5600] RIP: 0033:0x7f775aa3b10a
[  229.664815][ T5600] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  229.684719][ T5600] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.693325][ T5600] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  229.701284][ T5600] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  229.709324][ T5600] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  229.717513][ T5600] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  229.726182][ T5600] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  229.734240][ T5600]  </TASK>
[  229.737799][ T5600] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  229.752841][ T5600] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  230.092297][ T5602] loop1: detected capacity change from 0 to 32768
[  230.135896][ T5602] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  230.146723][ T5602] CPU: 0 PID: 5602 Comm: syz.1.183 Not tainted syzkaller #0
[  230.154124][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  230.164360][ T5602] Call Trace:
[  230.167650][ T5602]  <TASK>
[  230.170585][ T5602]  dump_stack_lvl+0x168/0x230
[  230.175279][ T5602]  ? show_regs_print_info+0x20/0x20
[  230.180667][ T5602]  ? load_image+0x3b0/0x3b0
[  230.185283][ T5602]  sysfs_create_dir_ns+0x252/0x280
[  230.190410][ T5602]  ? __lock_acquire+0x7c60/0x7c60
[  230.195450][ T5602]  ? sysfs_warn_dup+0xa0/0xa0
[  230.200144][ T5602]  ? do_raw_spin_unlock+0x11d/0x230
[  230.205353][ T5602]  kobject_add_internal+0x662/0xd00
[  230.210569][ T5602]  kobject_init_and_add+0x122/0x190
[  230.215772][ T5602]  ? lockdep_softirqs_off+0x420/0x420
[  230.221156][ T5602]  ? kobject_add+0x210/0x210
[  230.225783][ T5602]  ? __init_swait_queue_head+0xa5/0x150
[  230.231318][ T5602]  gfs2_sys_fs_add+0x234/0x480
[  230.236065][ T5602]  ? gfs2_recover_set+0x240/0x240
[  230.241071][ T5602]  ? snprintf+0xd7/0x120
[  230.245308][ T5602]  ? __free_pages+0x95/0x1a0
[  230.249881][ T5602]  ? vscnprintf+0x80/0x80
[  230.254196][ T5602]  gfs2_fill_super+0x128d/0x1f50
[  230.259119][ T5602]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.264130][ T5602]  ? preempt_count_add+0x8d/0x190
[  230.269174][ T5602]  ? sb_set_blocksize+0xa5/0xe0
[  230.274458][ T5602]  get_tree_bdev+0x3f1/0x610
[  230.279047][ T5602]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.284056][ T5602]  gfs2_get_tree+0x4d/0x1e0
[  230.288607][ T5602]  vfs_get_tree+0x88/0x270
[  230.293153][ T5602]  do_new_mount+0x24a/0xa40
[  230.297670][ T5602]  __se_sys_mount+0x2d6/0x3c0
[  230.302343][ T5602]  ? __x64_sys_mount+0xc0/0xc0
[  230.307093][ T5602]  ? lockdep_hardirqs_on+0x94/0x140
[  230.312273][ T5602]  ? __x64_sys_mount+0x1c/0xc0
[  230.317200][ T5602]  do_syscall_64+0x4c/0xa0
[  230.321829][ T5602]  ? clear_bhb_loop+0x30/0x80
[  230.326618][ T5602]  ? clear_bhb_loop+0x30/0x80
[  230.331291][ T5602]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.337176][ T5602] RIP: 0033:0x7f775aa3b10a
[  230.341588][ T5602] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  230.361437][ T5602] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.369837][ T5602] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  230.377805][ T5602] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  230.385765][ T5602] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  230.393850][ T5602] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  230.401824][ T5602] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  230.410137][ T5602]  </TASK>
[  230.420983][ T5602] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  230.435993][ T5602] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  230.754827][ T5604] loop1: detected capacity change from 0 to 32768
[  230.811076][ T5604] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  230.819262][ T5604] CPU: 0 PID: 5604 Comm: syz.1.184 Not tainted syzkaller #0
[  230.826916][ T5604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  230.837169][ T5604] Call Trace:
[  230.840557][ T5604]  <TASK>
[  230.843673][ T5604]  dump_stack_lvl+0x168/0x230
[  230.848365][ T5604]  ? show_regs_print_info+0x20/0x20
[  230.853573][ T5604]  ? load_image+0x3b0/0x3b0
[  230.858096][ T5604]  sysfs_create_dir_ns+0x252/0x280
[  230.863227][ T5604]  ? __lock_acquire+0x7c60/0x7c60
[  230.868255][ T5604]  ? sysfs_warn_dup+0xa0/0xa0
[  230.872984][ T5604]  ? do_raw_spin_unlock+0x11d/0x230
[  230.878190][ T5604]  kobject_add_internal+0x662/0xd00
[  230.883398][ T5604]  kobject_init_and_add+0x122/0x190
[  230.888594][ T5604]  ? lockdep_softirqs_off+0x420/0x420
[  230.893956][ T5604]  ? kobject_add+0x210/0x210
[  230.898527][ T5604]  ? __init_swait_queue_head+0xa5/0x150
[  230.904185][ T5604]  gfs2_sys_fs_add+0x234/0x480
[  230.908950][ T5604]  ? gfs2_recover_set+0x240/0x240
[  230.913970][ T5604]  ? snprintf+0xd7/0x120
[  230.918203][ T5604]  ? __free_pages+0x95/0x1a0
[  230.922775][ T5604]  ? vscnprintf+0x80/0x80
[  230.927092][ T5604]  gfs2_fill_super+0x128d/0x1f50
[  230.932045][ T5604]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.937060][ T5604]  ? preempt_count_add+0x8d/0x190
[  230.942078][ T5604]  ? sb_set_blocksize+0xa5/0xe0
[  230.946926][ T5604]  get_tree_bdev+0x3f1/0x610
[  230.951512][ T5604]  ? gfs2_reconfigure+0xcd0/0xcd0
[  230.956672][ T5604]  gfs2_get_tree+0x4d/0x1e0
[  230.961814][ T5604]  vfs_get_tree+0x88/0x270
[  230.966671][ T5604]  do_new_mount+0x24a/0xa40
[  230.971524][ T5604]  __se_sys_mount+0x2d6/0x3c0
[  230.976306][ T5604]  ? __x64_sys_mount+0xc0/0xc0
[  230.981235][ T5604]  ? lockdep_hardirqs_on+0x94/0x140
[  230.986553][ T5604]  ? __x64_sys_mount+0x1c/0xc0
[  230.991319][ T5604]  do_syscall_64+0x4c/0xa0
[  230.995732][ T5604]  ? clear_bhb_loop+0x30/0x80
[  231.000410][ T5604]  ? clear_bhb_loop+0x30/0x80
[  231.005072][ T5604]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.011201][ T5604] RIP: 0033:0x7f775aa3b10a
[  231.015675][ T5604] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.036736][ T5604] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.045249][ T5604] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  231.053448][ T5604] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  231.061424][ T5604] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  231.069474][ T5604] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  231.077470][ T5604] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  231.085546][ T5604]  </TASK>
[  231.090553][ T5604] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  231.104663][ T5604] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  231.428931][ T5606] loop1: detected capacity change from 0 to 32768
[  231.482163][ T5606] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  231.490433][ T5606] CPU: 0 PID: 5606 Comm: syz.1.185 Not tainted syzkaller #0
[  231.497726][ T5606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  231.507973][ T5606] Call Trace:
[  231.511259][ T5606]  <TASK>
[  231.514190][ T5606]  dump_stack_lvl+0x168/0x230
[  231.518890][ T5606]  ? show_regs_print_info+0x20/0x20
[  231.524302][ T5606]  ? load_image+0x3b0/0x3b0
[  231.528849][ T5606]  sysfs_create_dir_ns+0x252/0x280
[  231.534174][ T5606]  ? __lock_acquire+0x7c60/0x7c60
[  231.539215][ T5606]  ? sysfs_warn_dup+0xa0/0xa0
[  231.543907][ T5606]  ? do_raw_spin_unlock+0x11d/0x230
[  231.549119][ T5606]  kobject_add_internal+0x662/0xd00
[  231.554332][ T5606]  kobject_init_and_add+0x122/0x190
[  231.559543][ T5606]  ? lockdep_softirqs_off+0x420/0x420
[  231.565020][ T5606]  ? kobject_add+0x210/0x210
[  231.569601][ T5606]  ? __init_swait_queue_head+0xa5/0x150
[  231.575422][ T5606]  gfs2_sys_fs_add+0x234/0x480
[  231.580283][ T5606]  ? gfs2_recover_set+0x240/0x240
[  231.585321][ T5606]  ? snprintf+0xd7/0x120
[  231.589562][ T5606]  ? __free_pages+0x95/0x1a0
[  231.594165][ T5606]  ? vscnprintf+0x80/0x80
[  231.598719][ T5606]  gfs2_fill_super+0x128d/0x1f50
[  231.603679][ T5606]  ? gfs2_reconfigure+0xcd0/0xcd0
[  231.608697][ T5606]  ? preempt_count_add+0x8d/0x190
[  231.613706][ T5606]  ? sb_set_blocksize+0xa5/0xe0
[  231.618553][ T5606]  get_tree_bdev+0x3f1/0x610
[  231.623141][ T5606]  ? gfs2_reconfigure+0xcd0/0xcd0
[  231.628153][ T5606]  gfs2_get_tree+0x4d/0x1e0
[  231.632837][ T5606]  vfs_get_tree+0x88/0x270
[  231.637250][ T5606]  do_new_mount+0x24a/0xa40
[  231.641762][ T5606]  __se_sys_mount+0x2d6/0x3c0
[  231.646462][ T5606]  ? __x64_sys_mount+0xc0/0xc0
[  231.651222][ T5606]  ? lockdep_hardirqs_on+0x94/0x140
[  231.656713][ T5606]  ? __x64_sys_mount+0x1c/0xc0
[  231.662234][ T5606]  do_syscall_64+0x4c/0xa0
[  231.667189][ T5606]  ? clear_bhb_loop+0x30/0x80
[  231.672436][ T5606]  ? clear_bhb_loop+0x30/0x80
[  231.677101][ T5606]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.682985][ T5606] RIP: 0033:0x7f775aa3b10a
[  231.687382][ T5606] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  231.707078][ T5606] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.715566][ T5606] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  231.723608][ T5606] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  231.731569][ T5606] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  231.739747][ T5606] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  231.747810][ T5606] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  231.755957][ T5606]  </TASK>
[  231.766430][ T5606] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  231.781017][ T5606] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
2025/09/13 10:03:48 executed programs: 172
[  232.098713][ T5608] loop1: detected capacity change from 0 to 32768
[  232.155774][ T5608] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  232.168940][ T5608] CPU: 0 PID: 5608 Comm: syz.1.186 Not tainted syzkaller #0
[  232.176269][ T5608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  232.186422][ T5608] Call Trace:
[  232.189713][ T5608]  <TASK>
[  232.192664][ T5608]  dump_stack_lvl+0x168/0x230
[  232.197539][ T5608]  ? show_regs_print_info+0x20/0x20
[  232.202843][ T5608]  ? load_image+0x3b0/0x3b0
[  232.207372][ T5608]  sysfs_create_dir_ns+0x252/0x280
[  232.212504][ T5608]  ? __lock_acquire+0x7c60/0x7c60
[  232.217739][ T5608]  ? sysfs_warn_dup+0xa0/0xa0
[  232.222476][ T5608]  ? do_raw_spin_unlock+0x11d/0x230
[  232.227790][ T5608]  kobject_add_internal+0x662/0xd00
[  232.233007][ T5608]  kobject_init_and_add+0x122/0x190
[  232.238222][ T5608]  ? lockdep_softirqs_off+0x420/0x420
[  232.243621][ T5608]  ? kobject_add+0x210/0x210
[  232.248413][ T5608]  ? __init_swait_queue_head+0xa5/0x150
[  232.254233][ T5608]  gfs2_sys_fs_add+0x234/0x480
[  232.258987][ T5608]  ? gfs2_recover_set+0x240/0x240
[  232.263991][ T5608]  ? snprintf+0xd7/0x120
[  232.268590][ T5608]  ? __free_pages+0x95/0x1a0
[  232.273175][ T5608]  ? vscnprintf+0x80/0x80
[  232.277501][ T5608]  gfs2_fill_super+0x128d/0x1f50
[  232.282523][ T5608]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.287547][ T5608]  ? preempt_count_add+0x8d/0x190
[  232.292567][ T5608]  ? sb_set_blocksize+0xa5/0xe0
[  232.297433][ T5608]  get_tree_bdev+0x3f1/0x610
[  232.302019][ T5608]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.307043][ T5608]  gfs2_get_tree+0x4d/0x1e0
[  232.311552][ T5608]  vfs_get_tree+0x88/0x270
[  232.315967][ T5608]  do_new_mount+0x24a/0xa40
[  232.320460][ T5608]  __se_sys_mount+0x2d6/0x3c0
[  232.325125][ T5608]  ? __x64_sys_mount+0xc0/0xc0
[  232.329870][ T5608]  ? lockdep_hardirqs_on+0x94/0x140
[  232.335049][ T5608]  ? __x64_sys_mount+0x1c/0xc0
[  232.339806][ T5608]  do_syscall_64+0x4c/0xa0
[  232.344229][ T5608]  ? clear_bhb_loop+0x30/0x80
[  232.348885][ T5608]  ? clear_bhb_loop+0x30/0x80
[  232.353541][ T5608]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.359410][ T5608] RIP: 0033:0x7f775aa3b10a
[  232.363824][ T5608] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  232.383414][ T5608] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.391818][ T5608] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  232.399793][ T5608] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  232.407836][ T5608] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  232.415793][ T5608] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  232.423757][ T5608] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  232.432084][ T5608]  </TASK>
[  232.437031][ T5608] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  232.451686][ T5608] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  232.769376][ T5610] loop1: detected capacity change from 0 to 32768
[  232.813386][ T5610] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  232.822165][ T5610] CPU: 0 PID: 5610 Comm: syz.1.187 Not tainted syzkaller #0
[  232.829568][ T5610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  232.839718][ T5610] Call Trace:
[  232.843012][ T5610]  <TASK>
[  232.846005][ T5610]  dump_stack_lvl+0x168/0x230
[  232.851077][ T5610]  ? show_regs_print_info+0x20/0x20
[  232.856292][ T5610]  ? load_image+0x3b0/0x3b0
[  232.860816][ T5610]  sysfs_create_dir_ns+0x252/0x280
[  232.865941][ T5610]  ? __lock_acquire+0x7c60/0x7c60
[  232.870976][ T5610]  ? sysfs_warn_dup+0xa0/0xa0
[  232.875666][ T5610]  ? do_raw_spin_unlock+0x11d/0x230
[  232.880871][ T5610]  kobject_add_internal+0x662/0xd00
[  232.886171][ T5610]  kobject_init_and_add+0x122/0x190
[  232.891375][ T5610]  ? lockdep_softirqs_off+0x420/0x420
[  232.896754][ T5610]  ? kobject_add+0x210/0x210
[  232.901345][ T5610]  ? __init_swait_queue_head+0xa5/0x150
[  232.906875][ T5610]  gfs2_sys_fs_add+0x234/0x480
[  232.911633][ T5610]  ? gfs2_recover_set+0x240/0x240
[  232.916633][ T5610]  ? snprintf+0xd7/0x120
[  232.920857][ T5610]  ? __free_pages+0x95/0x1a0
[  232.925426][ T5610]  ? vscnprintf+0x80/0x80
[  232.929828][ T5610]  gfs2_fill_super+0x128d/0x1f50
[  232.934792][ T5610]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.939813][ T5610]  ? preempt_count_add+0x8d/0x190
[  232.944823][ T5610]  ? sb_set_blocksize+0xa5/0xe0
[  232.949758][ T5610]  get_tree_bdev+0x3f1/0x610
[  232.954416][ T5610]  ? gfs2_reconfigure+0xcd0/0xcd0
[  232.959423][ T5610]  gfs2_get_tree+0x4d/0x1e0
[  232.963920][ T5610]  vfs_get_tree+0x88/0x270
[  232.968314][ T5610]  do_new_mount+0x24a/0xa40
[  232.972797][ T5610]  __se_sys_mount+0x2d6/0x3c0
[  232.977480][ T5610]  ? __x64_sys_mount+0xc0/0xc0
[  232.982592][ T5610]  ? lockdep_hardirqs_on+0x94/0x140
[  232.987799][ T5610]  ? __x64_sys_mount+0x1c/0xc0
[  232.992553][ T5610]  do_syscall_64+0x4c/0xa0
[  232.996947][ T5610]  ? clear_bhb_loop+0x30/0x80
[  233.001602][ T5610]  ? clear_bhb_loop+0x30/0x80
[  233.006317][ T5610]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.012187][ T5610] RIP: 0033:0x7f775aa3b10a
[  233.016586][ T5610] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.036294][ T5610] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.044688][ T5610] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  233.052723][ T5610] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  233.060678][ T5610] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  233.068634][ T5610] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  233.076598][ T5610] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  233.084882][ T5610]  </TASK>
[  233.090234][ T5610] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  233.104397][ T5610] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  233.437253][ T5612] loop1: detected capacity change from 0 to 32768
[  233.476658][ T5612] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  233.484839][ T5612] CPU: 1 PID: 5612 Comm: syz.1.188 Not tainted syzkaller #0
[  233.492140][ T5612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  233.502534][ T5612] Call Trace:
[  233.505919][ T5612]  <TASK>
[  233.508868][ T5612]  dump_stack_lvl+0x168/0x230
[  233.513590][ T5612]  ? show_regs_print_info+0x20/0x20
[  233.518804][ T5612]  ? load_image+0x3b0/0x3b0
[  233.523750][ T5612]  sysfs_create_dir_ns+0x252/0x280
[  233.528876][ T5612]  ? __lock_acquire+0x7c60/0x7c60
[  233.534005][ T5612]  ? sysfs_warn_dup+0xa0/0xa0
[  233.538971][ T5612]  ? do_raw_spin_unlock+0x11d/0x230
[  233.544191][ T5612]  kobject_add_internal+0x662/0xd00
[  233.549423][ T5612]  kobject_init_and_add+0x122/0x190
[  233.554691][ T5612]  ? lockdep_softirqs_off+0x420/0x420
[  233.560074][ T5612]  ? kobject_add+0x210/0x210
[  233.564677][ T5612]  ? __init_swait_queue_head+0xa5/0x150
[  233.570657][ T5612]  gfs2_sys_fs_add+0x234/0x480
[  233.575416][ T5612]  ? gfs2_recover_set+0x240/0x240
[  233.580552][ T5612]  ? snprintf+0xd7/0x120
[  233.584789][ T5612]  ? __free_pages+0x95/0x1a0
[  233.589468][ T5612]  ? vscnprintf+0x80/0x80
[  233.593805][ T5612]  gfs2_fill_super+0x128d/0x1f50
[  233.598743][ T5612]  ? gfs2_reconfigure+0xcd0/0xcd0
[  233.603925][ T5612]  ? preempt_count_add+0x8d/0x190
[  233.608937][ T5612]  ? sb_set_blocksize+0xa5/0xe0
[  233.613787][ T5612]  get_tree_bdev+0x3f1/0x610
[  233.618486][ T5612]  ? gfs2_reconfigure+0xcd0/0xcd0
[  233.623509][ T5612]  gfs2_get_tree+0x4d/0x1e0
[  233.628074][ T5612]  vfs_get_tree+0x88/0x270
[  233.632495][ T5612]  do_new_mount+0x24a/0xa40
[  233.637012][ T5612]  __se_sys_mount+0x2d6/0x3c0
[  233.641709][ T5612]  ? __x64_sys_mount+0xc0/0xc0
[  233.646495][ T5612]  ? lockdep_hardirqs_on+0x94/0x140
[  233.651684][ T5612]  ? __x64_sys_mount+0x1c/0xc0
[  233.656444][ T5612]  do_syscall_64+0x4c/0xa0
[  233.660847][ T5612]  ? clear_bhb_loop+0x30/0x80
[  233.665515][ T5612]  ? clear_bhb_loop+0x30/0x80
[  233.670444][ T5612]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.676333][ T5612] RIP: 0033:0x7f775aa3b10a
[  233.680898][ T5612] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  233.701042][ T5612] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  233.709470][ T5612] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  233.717529][ T5612] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  233.725653][ T5612] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  233.733607][ T5612] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  233.741672][ T5612] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  233.749729][ T5612]  </TASK>
[  233.756201][ T5612] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  233.770776][ T5612] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  234.100248][ T5614] loop1: detected capacity change from 0 to 32768
[  234.150202][ T5614] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  234.158450][ T5614] CPU: 1 PID: 5614 Comm: syz.1.189 Not tainted syzkaller #0
[  234.165743][ T5614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  234.175851][ T5614] Call Trace:
[  234.179141][ T5614]  <TASK>
[  234.182076][ T5614]  dump_stack_lvl+0x168/0x230
[  234.187064][ T5614]  ? show_regs_print_info+0x20/0x20
[  234.192414][ T5614]  ? load_image+0x3b0/0x3b0
[  234.196941][ T5614]  sysfs_create_dir_ns+0x252/0x280
[  234.202066][ T5614]  ? __lock_acquire+0x7c60/0x7c60
[  234.207198][ T5614]  ? sysfs_warn_dup+0xa0/0xa0
[  234.211893][ T5614]  ? do_raw_spin_unlock+0x11d/0x230
[  234.217187][ T5614]  kobject_add_internal+0x662/0xd00
[  234.222460][ T5614]  kobject_init_and_add+0x122/0x190
[  234.227666][ T5614]  ? lockdep_softirqs_off+0x420/0x420
[  234.233026][ T5614]  ? kobject_add+0x210/0x210
[  234.237601][ T5614]  ? __init_swait_queue_head+0xa5/0x150
[  234.243219][ T5614]  gfs2_sys_fs_add+0x234/0x480
[  234.247961][ T5614]  ? gfs2_recover_set+0x240/0x240
[  234.252967][ T5614]  ? snprintf+0xd7/0x120
[  234.257185][ T5614]  ? __free_pages+0x95/0x1a0
[  234.261769][ T5614]  ? vscnprintf+0x80/0x80
[  234.266087][ T5614]  gfs2_fill_super+0x128d/0x1f50
[  234.271034][ T5614]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.276056][ T5614]  ? preempt_count_add+0x8d/0x190
[  234.281157][ T5614]  ? sb_set_blocksize+0xa5/0xe0
[  234.285994][ T5614]  get_tree_bdev+0x3f1/0x610
[  234.290569][ T5614]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.295575][ T5614]  gfs2_get_tree+0x4d/0x1e0
[  234.300062][ T5614]  vfs_get_tree+0x88/0x270
[  234.304463][ T5614]  do_new_mount+0x24a/0xa40
[  234.308957][ T5614]  __se_sys_mount+0x2d6/0x3c0
[  234.313622][ T5614]  ? __x64_sys_mount+0xc0/0xc0
[  234.318372][ T5614]  ? lockdep_hardirqs_on+0x94/0x140
[  234.323550][ T5614]  ? __x64_sys_mount+0x1c/0xc0
[  234.328298][ T5614]  do_syscall_64+0x4c/0xa0
[  234.332690][ T5614]  ? clear_bhb_loop+0x30/0x80
[  234.337348][ T5614]  ? clear_bhb_loop+0x30/0x80
[  234.342001][ T5614]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  234.347872][ T5614] RIP: 0033:0x7f775aa3b10a
[  234.352278][ T5614] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  234.372471][ T5614] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  234.380966][ T5614] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  234.388949][ T5614] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  234.396908][ T5614] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  234.405039][ T5614] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  234.412997][ T5614] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  234.420969][ T5614]  </TASK>
[  234.424667][ T5614] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  234.438595][ T5614] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  234.763977][ T5616] loop1: detected capacity change from 0 to 32768
[  234.805772][ T5616] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  234.818073][ T5616] CPU: 1 PID: 5616 Comm: syz.1.190 Not tainted syzkaller #0
[  234.825475][ T5616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  234.835637][ T5616] Call Trace:
[  234.838945][ T5616]  <TASK>
[  234.841883][ T5616]  dump_stack_lvl+0x168/0x230
[  234.846580][ T5616]  ? show_regs_print_info+0x20/0x20
[  234.851881][ T5616]  ? load_image+0x3b0/0x3b0
[  234.856414][ T5616]  sysfs_create_dir_ns+0x252/0x280
[  234.861630][ T5616]  ? __lock_acquire+0x7c60/0x7c60
[  234.866658][ T5616]  ? sysfs_warn_dup+0xa0/0xa0
[  234.871343][ T5616]  ? do_raw_spin_unlock+0x11d/0x230
[  234.876659][ T5616]  kobject_add_internal+0x662/0xd00
[  234.881875][ T5616]  kobject_init_and_add+0x122/0x190
[  234.887089][ T5616]  ? lockdep_softirqs_off+0x420/0x420
[  234.892468][ T5616]  ? kobject_add+0x210/0x210
[  234.897092][ T5616]  ? __init_swait_queue_head+0xa5/0x150
[  234.902637][ T5616]  gfs2_sys_fs_add+0x234/0x480
[  234.907383][ T5616]  ? gfs2_recover_set+0x240/0x240
[  234.912389][ T5616]  ? snprintf+0xd7/0x120
[  234.916633][ T5616]  ? __free_pages+0x95/0x1a0
[  234.921205][ T5616]  ? vscnprintf+0x80/0x80
[  234.925560][ T5616]  gfs2_fill_super+0x128d/0x1f50
[  234.930517][ T5616]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.935518][ T5616]  ? preempt_count_add+0x8d/0x190
[  234.940748][ T5616]  ? sb_set_blocksize+0xa5/0xe0
[  234.945594][ T5616]  get_tree_bdev+0x3f1/0x610
[  234.950172][ T5616]  ? gfs2_reconfigure+0xcd0/0xcd0
[  234.955178][ T5616]  gfs2_get_tree+0x4d/0x1e0
[  234.959669][ T5616]  vfs_get_tree+0x88/0x270
[  234.964068][ T5616]  do_new_mount+0x24a/0xa40
[  234.968562][ T5616]  __se_sys_mount+0x2d6/0x3c0
[  234.973220][ T5616]  ? __x64_sys_mount+0xc0/0xc0
[  234.977984][ T5616]  ? lockdep_hardirqs_on+0x94/0x140
[  234.983159][ T5616]  ? __x64_sys_mount+0x1c/0xc0
[  234.987910][ T5616]  do_syscall_64+0x4c/0xa0
[  234.992852][ T5616]  ? clear_bhb_loop+0x30/0x80
[  234.997522][ T5616]  ? clear_bhb_loop+0x30/0x80
[  235.002185][ T5616]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.008078][ T5616] RIP: 0033:0x7f775aa3b10a
[  235.012568][ T5616] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.032173][ T5616] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.040794][ T5616] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  235.049206][ T5616] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  235.057442][ T5616] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  235.065412][ T5616] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  235.073376][ T5616] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  235.081454][ T5616]  </TASK>
[  235.086796][ T5616] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  235.100681][ T5616] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  235.417801][ T5618] loop1: detected capacity change from 0 to 32768
[  235.480081][ T5618] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  235.488478][ T5618] CPU: 0 PID: 5618 Comm: syz.1.191 Not tainted syzkaller #0
[  235.495772][ T5618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  235.505833][ T5618] Call Trace:
[  235.509121][ T5618]  <TASK>
[  235.512099][ T5618]  dump_stack_lvl+0x168/0x230
[  235.516792][ T5618]  ? show_regs_print_info+0x20/0x20
[  235.522069][ T5618]  ? load_image+0x3b0/0x3b0
[  235.526597][ T5618]  sysfs_create_dir_ns+0x252/0x280
[  235.531721][ T5618]  ? __lock_acquire+0x7c60/0x7c60
[  235.536765][ T5618]  ? sysfs_warn_dup+0xa0/0xa0
[  235.541454][ T5618]  ? do_raw_spin_unlock+0x11d/0x230
[  235.546662][ T5618]  kobject_add_internal+0x662/0xd00
[  235.551872][ T5618]  kobject_init_and_add+0x122/0x190
[  235.557161][ T5618]  ? lockdep_softirqs_off+0x420/0x420
[  235.562539][ T5618]  ? kobject_add+0x210/0x210
[  235.567222][ T5618]  ? __init_swait_queue_head+0xa5/0x150
[  235.572772][ T5618]  gfs2_sys_fs_add+0x234/0x480
[  235.577521][ T5618]  ? gfs2_recover_set+0x240/0x240
[  235.582526][ T5618]  ? snprintf+0xd7/0x120
[  235.586777][ T5618]  ? __free_pages+0x95/0x1a0
[  235.591351][ T5618]  ? vscnprintf+0x80/0x80
[  235.595667][ T5618]  gfs2_fill_super+0x128d/0x1f50
[  235.600673][ T5618]  ? gfs2_reconfigure+0xcd0/0xcd0
[  235.605767][ T5618]  ? preempt_count_add+0x8d/0x190
[  235.610780][ T5618]  ? sb_set_blocksize+0xa5/0xe0
[  235.615736][ T5618]  get_tree_bdev+0x3f1/0x610
[  235.620357][ T5618]  ? gfs2_reconfigure+0xcd0/0xcd0
[  235.625400][ T5618]  gfs2_get_tree+0x4d/0x1e0
[  235.629897][ T5618]  vfs_get_tree+0x88/0x270
[  235.634300][ T5618]  do_new_mount+0x24a/0xa40
[  235.638802][ T5618]  __se_sys_mount+0x2d6/0x3c0
[  235.643473][ T5618]  ? __x64_sys_mount+0xc0/0xc0
[  235.648243][ T5618]  ? lockdep_hardirqs_on+0x94/0x140
[  235.653427][ T5618]  ? __x64_sys_mount+0x1c/0xc0
[  235.658176][ T5618]  do_syscall_64+0x4c/0xa0
[  235.662573][ T5618]  ? clear_bhb_loop+0x30/0x80
[  235.667351][ T5618]  ? clear_bhb_loop+0x30/0x80
[  235.672032][ T5618]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  235.677913][ T5618] RIP: 0033:0x7f775aa3b10a
[  235.682314][ T5618] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  235.702126][ T5618] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  235.710549][ T5618] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  235.718517][ T5618] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  235.726507][ T5618] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  235.734467][ T5618] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  235.742696][ T5618] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  235.750708][ T5618]  </TASK>
[  235.755648][ T5618] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  235.769635][ T5618] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  236.075531][ T5620] loop1: detected capacity change from 0 to 32768
[  236.133556][ T5620] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  236.142321][ T5620] CPU: 1 PID: 5620 Comm: syz.1.192 Not tainted syzkaller #0
[  236.149642][ T5620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  236.160067][ T5620] Call Trace:
[  236.163359][ T5620]  <TASK>
[  236.166297][ T5620]  dump_stack_lvl+0x168/0x230
[  236.170989][ T5620]  ? show_regs_print_info+0x20/0x20
[  236.176202][ T5620]  ? load_image+0x3b0/0x3b0
[  236.180731][ T5620]  sysfs_create_dir_ns+0x252/0x280
[  236.185860][ T5620]  ? __lock_acquire+0x7c60/0x7c60
[  236.190896][ T5620]  ? sysfs_warn_dup+0xa0/0xa0
[  236.195589][ T5620]  ? do_raw_spin_unlock+0x11d/0x230
[  236.200811][ T5620]  kobject_add_internal+0x662/0xd00
[  236.206025][ T5620]  kobject_init_and_add+0x122/0x190
[  236.211861][ T5620]  ? lockdep_softirqs_off+0x420/0x420
[  236.217327][ T5620]  ? kobject_add+0x210/0x210
[  236.221945][ T5620]  ? __init_swait_queue_head+0xa5/0x150
[  236.227483][ T5620]  gfs2_sys_fs_add+0x234/0x480
[  236.232230][ T5620]  ? gfs2_recover_set+0x240/0x240
[  236.237240][ T5620]  ? snprintf+0xd7/0x120
[  236.241469][ T5620]  ? __free_pages+0x95/0x1a0
[  236.246037][ T5620]  ? vscnprintf+0x80/0x80
[  236.250354][ T5620]  gfs2_fill_super+0x128d/0x1f50
[  236.255277][ T5620]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.260293][ T5620]  ? preempt_count_add+0x8d/0x190
[  236.265392][ T5620]  ? sb_set_blocksize+0xa5/0xe0
[  236.270422][ T5620]  get_tree_bdev+0x3f1/0x610
[  236.275020][ T5620]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.280026][ T5620]  gfs2_get_tree+0x4d/0x1e0
[  236.284511][ T5620]  vfs_get_tree+0x88/0x270
[  236.288911][ T5620]  do_new_mount+0x24a/0xa40
[  236.293415][ T5620]  __se_sys_mount+0x2d6/0x3c0
[  236.298077][ T5620]  ? __x64_sys_mount+0xc0/0xc0
[  236.302827][ T5620]  ? lockdep_hardirqs_on+0x94/0x140
[  236.308021][ T5620]  ? __x64_sys_mount+0x1c/0xc0
[  236.312764][ T5620]  do_syscall_64+0x4c/0xa0
[  236.317169][ T5620]  ? clear_bhb_loop+0x30/0x80
[  236.321824][ T5620]  ? clear_bhb_loop+0x30/0x80
[  236.326650][ T5620]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.332534][ T5620] RIP: 0033:0x7f775aa3b10a
[  236.336940][ T5620] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.356698][ T5620] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  236.365106][ T5620] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  236.373071][ T5620] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  236.381027][ T5620] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  236.388999][ T5620] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  236.396967][ T5620] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  236.404935][ T5620]  </TASK>
[  236.409051][ T5620] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  236.422939][ T5620] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  236.754025][ T5622] loop1: detected capacity change from 0 to 32768
[  236.771080][ T5622] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  236.779177][ T5622] CPU: 0 PID: 5622 Comm: syz.1.193 Not tainted syzkaller #0
[  236.786471][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  236.796695][ T5622] Call Trace:
[  236.799978][ T5622]  <TASK>
[  236.802907][ T5622]  dump_stack_lvl+0x168/0x230
[  236.807601][ T5622]  ? show_regs_print_info+0x20/0x20
[  236.812795][ T5622]  ? load_image+0x3b0/0x3b0
[  236.817286][ T5622]  sysfs_create_dir_ns+0x252/0x280
[  236.822380][ T5622]  ? __lock_acquire+0x7c60/0x7c60
[  236.827387][ T5622]  ? sysfs_warn_dup+0xa0/0xa0
[  236.832146][ T5622]  ? do_raw_spin_unlock+0x11d/0x230
[  236.837344][ T5622]  kobject_add_internal+0x662/0xd00
[  236.842535][ T5622]  kobject_init_and_add+0x122/0x190
[  236.847734][ T5622]  ? lockdep_softirqs_off+0x420/0x420
[  236.853095][ T5622]  ? kobject_add+0x210/0x210
[  236.857668][ T5622]  ? __init_swait_queue_head+0xa5/0x150
[  236.863206][ T5622]  gfs2_sys_fs_add+0x234/0x480
[  236.867955][ T5622]  ? gfs2_recover_set+0x240/0x240
[  236.873041][ T5622]  ? snprintf+0xd7/0x120
[  236.877260][ T5622]  ? __free_pages+0x95/0x1a0
[  236.881871][ T5622]  ? vscnprintf+0x80/0x80
[  236.886199][ T5622]  gfs2_fill_super+0x128d/0x1f50
[  236.891125][ T5622]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.896138][ T5622]  ? preempt_count_add+0x8d/0x190
[  236.901405][ T5622]  ? sb_set_blocksize+0xa5/0xe0
[  236.906240][ T5622]  get_tree_bdev+0x3f1/0x610
[  236.910811][ T5622]  ? gfs2_reconfigure+0xcd0/0xcd0
[  236.915823][ T5622]  gfs2_get_tree+0x4d/0x1e0
[  236.920309][ T5622]  vfs_get_tree+0x88/0x270
[  236.924704][ T5622]  do_new_mount+0x24a/0xa40
[  236.929295][ T5622]  __se_sys_mount+0x2d6/0x3c0
[  236.933956][ T5622]  ? __x64_sys_mount+0xc0/0xc0
[  236.938699][ T5622]  ? lockdep_hardirqs_on+0x94/0x140
[  236.943881][ T5622]  ? __x64_sys_mount+0x1c/0xc0
[  236.948640][ T5622]  do_syscall_64+0x4c/0xa0
[  236.953036][ T5622]  ? clear_bhb_loop+0x30/0x80
[  236.957691][ T5622]  ? clear_bhb_loop+0x30/0x80
[  236.962360][ T5622]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  236.968239][ T5622] RIP: 0033:0x7f775aa3b10a
[  236.972633][ T5622] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  236.992471][ T5622] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.000884][ T5622] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  237.008949][ T5622] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  237.016907][ T5622] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  237.024870][ T5622] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  237.032826][ T5622] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  237.040803][ T5622]  </TASK>
[  237.049198][ T5622] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  237.064019][ T5622] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
2025/09/13 10:03:54 executed programs: 180
[  237.381086][ T5624] loop1: detected capacity change from 0 to 32768
[  237.464763][ T5624] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  237.473430][ T5624] CPU: 0 PID: 5624 Comm: syz.1.194 Not tainted syzkaller #0
[  237.480824][ T5624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  237.490886][ T5624] Call Trace:
[  237.494205][ T5624]  <TASK>
[  237.497174][ T5624]  dump_stack_lvl+0x168/0x230
[  237.501867][ T5624]  ? show_regs_print_info+0x20/0x20
[  237.507160][ T5624]  ? load_image+0x3b0/0x3b0
[  237.511669][ T5624]  sysfs_create_dir_ns+0x252/0x280
[  237.516772][ T5624]  ? __lock_acquire+0x7c60/0x7c60
[  237.521811][ T5624]  ? sysfs_warn_dup+0xa0/0xa0
[  237.526470][ T5624]  ? do_raw_spin_unlock+0x11d/0x230
[  237.531654][ T5624]  kobject_add_internal+0x662/0xd00
[  237.536845][ T5624]  kobject_init_and_add+0x122/0x190
[  237.542024][ T5624]  ? lockdep_softirqs_off+0x420/0x420
[  237.547572][ T5624]  ? kobject_add+0x210/0x210
[  237.552140][ T5624]  ? __init_swait_queue_head+0xa5/0x150
[  237.557667][ T5624]  gfs2_sys_fs_add+0x234/0x480
[  237.562431][ T5624]  ? gfs2_recover_set+0x240/0x240
[  237.567436][ T5624]  ? snprintf+0xd7/0x120
[  237.571654][ T5624]  ? __free_pages+0x95/0x1a0
[  237.576221][ T5624]  ? vscnprintf+0x80/0x80
[  237.580532][ T5624]  gfs2_fill_super+0x128d/0x1f50
[  237.585457][ T5624]  ? gfs2_reconfigure+0xcd0/0xcd0
[  237.590456][ T5624]  ? preempt_count_add+0x8d/0x190
[  237.595460][ T5624]  ? sb_set_blocksize+0xa5/0xe0
[  237.600286][ T5624]  get_tree_bdev+0x3f1/0x610
[  237.604875][ T5624]  ? gfs2_reconfigure+0xcd0/0xcd0
[  237.609962][ T5624]  gfs2_get_tree+0x4d/0x1e0
[  237.614461][ T5624]  vfs_get_tree+0x88/0x270
[  237.618865][ T5624]  do_new_mount+0x24a/0xa40
[  237.623361][ T5624]  __se_sys_mount+0x2d6/0x3c0
[  237.628023][ T5624]  ? __x64_sys_mount+0xc0/0xc0
[  237.632858][ T5624]  ? lockdep_hardirqs_on+0x94/0x140
[  237.638038][ T5624]  ? __x64_sys_mount+0x1c/0xc0
[  237.642784][ T5624]  do_syscall_64+0x4c/0xa0
[  237.647269][ T5624]  ? clear_bhb_loop+0x30/0x80
[  237.651918][ T5624]  ? clear_bhb_loop+0x30/0x80
[  237.656570][ T5624]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  237.662440][ T5624] RIP: 0033:0x7f775aa3b10a
[  237.667081][ T5624] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  237.687042][ T5624] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  237.695619][ T5624] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  237.703574][ T5624] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  237.711720][ T5624] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  237.719817][ T5624] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  237.727972][ T5624] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  237.736077][ T5624]  </TASK>
[  237.741210][ T5624] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  237.755487][ T5624] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  238.075367][ T5626] loop1: detected capacity change from 0 to 32768
[  238.123176][ T5626] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  238.131894][ T5626] CPU: 1 PID: 5626 Comm: syz.1.195 Not tainted syzkaller #0
[  238.139196][ T5626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  238.149266][ T5626] Call Trace:
[  238.152553][ T5626]  <TASK>
[  238.155493][ T5626]  dump_stack_lvl+0x168/0x230
[  238.160212][ T5626]  ? show_regs_print_info+0x20/0x20
[  238.165418][ T5626]  ? load_image+0x3b0/0x3b0
[  238.169942][ T5626]  sysfs_create_dir_ns+0x252/0x280
[  238.175074][ T5626]  ? __lock_acquire+0x7c60/0x7c60
[  238.180115][ T5626]  ? sysfs_warn_dup+0xa0/0xa0
[  238.184809][ T5626]  ? do_raw_spin_unlock+0x11d/0x230
[  238.190021][ T5626]  kobject_add_internal+0x662/0xd00
[  238.195240][ T5626]  kobject_init_and_add+0x122/0x190
[  238.200533][ T5626]  ? lockdep_softirqs_off+0x420/0x420
[  238.205924][ T5626]  ? kobject_add+0x210/0x210
[  238.210529][ T5626]  ? __init_swait_queue_head+0xa5/0x150
[  238.216178][ T5626]  gfs2_sys_fs_add+0x234/0x480
[  238.221035][ T5626]  ? gfs2_recover_set+0x240/0x240
[  238.226133][ T5626]  ? snprintf+0xd7/0x120
[  238.230375][ T5626]  ? __free_pages+0x95/0x1a0
[  238.234965][ T5626]  ? vscnprintf+0x80/0x80
[  238.239290][ T5626]  gfs2_fill_super+0x128d/0x1f50
[  238.244318][ T5626]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.249419][ T5626]  ? preempt_count_add+0x8d/0x190
[  238.254871][ T5626]  ? sb_set_blocksize+0xa5/0xe0
[  238.259715][ T5626]  get_tree_bdev+0x3f1/0x610
[  238.264292][ T5626]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.269484][ T5626]  gfs2_get_tree+0x4d/0x1e0
[  238.273989][ T5626]  vfs_get_tree+0x88/0x270
[  238.278402][ T5626]  do_new_mount+0x24a/0xa40
[  238.282896][ T5626]  __se_sys_mount+0x2d6/0x3c0
[  238.287587][ T5626]  ? __x64_sys_mount+0xc0/0xc0
[  238.292529][ T5626]  ? lockdep_hardirqs_on+0x94/0x140
[  238.297735][ T5626]  ? __x64_sys_mount+0x1c/0xc0
[  238.302489][ T5626]  do_syscall_64+0x4c/0xa0
[  238.307409][ T5626]  ? clear_bhb_loop+0x30/0x80
[  238.312070][ T5626]  ? clear_bhb_loop+0x30/0x80
[  238.316725][ T5626]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.322600][ T5626] RIP: 0033:0x7f775aa3b10a
[  238.327189][ T5626] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  238.346954][ T5626] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  238.355348][ T5626] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  238.363299][ T5626] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  238.371280][ T5626] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  238.379236][ T5626] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  238.387214][ T5626] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  238.395184][ T5626]  </TASK>
[  238.399513][ T5626] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  238.413463][ T5626] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  238.732186][ T5628] loop1: detected capacity change from 0 to 32768
[  238.779896][ T5628] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  238.789317][ T5628] CPU: 0 PID: 5628 Comm: syz.1.196 Not tainted syzkaller #0
[  238.796621][ T5628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  238.806693][ T5628] Call Trace:
[  238.809976][ T5628]  <TASK>
[  238.812998][ T5628]  dump_stack_lvl+0x168/0x230
[  238.817699][ T5628]  ? show_regs_print_info+0x20/0x20
[  238.822914][ T5628]  ? load_image+0x3b0/0x3b0
[  238.827434][ T5628]  sysfs_create_dir_ns+0x252/0x280
[  238.832553][ T5628]  ? __lock_acquire+0x7c60/0x7c60
[  238.837581][ T5628]  ? sysfs_warn_dup+0xa0/0xa0
[  238.842269][ T5628]  ? do_raw_spin_unlock+0x11d/0x230
[  238.847475][ T5628]  kobject_add_internal+0x662/0xd00
[  238.852697][ T5628]  kobject_init_and_add+0x122/0x190
[  238.857982][ T5628]  ? lockdep_softirqs_off+0x420/0x420
[  238.863426][ T5628]  ? kobject_add+0x210/0x210
[  238.867999][ T5628]  ? __init_swait_queue_head+0xa5/0x150
[  238.873568][ T5628]  gfs2_sys_fs_add+0x234/0x480
[  238.878314][ T5628]  ? gfs2_recover_set+0x240/0x240
[  238.883319][ T5628]  ? snprintf+0xd7/0x120
[  238.887667][ T5628]  ? __free_pages+0x95/0x1a0
[  238.892249][ T5628]  ? vscnprintf+0x80/0x80
[  238.896581][ T5628]  gfs2_fill_super+0x128d/0x1f50
[  238.901508][ T5628]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.906531][ T5628]  ? preempt_count_add+0x8d/0x190
[  238.911539][ T5628]  ? sb_set_blocksize+0xa5/0xe0
[  238.916367][ T5628]  get_tree_bdev+0x3f1/0x610
[  238.920939][ T5628]  ? gfs2_reconfigure+0xcd0/0xcd0
[  238.925943][ T5628]  gfs2_get_tree+0x4d/0x1e0
[  238.930448][ T5628]  vfs_get_tree+0x88/0x270
[  238.934853][ T5628]  do_new_mount+0x24a/0xa40
[  238.939426][ T5628]  __se_sys_mount+0x2d6/0x3c0
[  238.944088][ T5628]  ? __x64_sys_mount+0xc0/0xc0
[  238.948839][ T5628]  ? lockdep_hardirqs_on+0x94/0x140
[  238.954025][ T5628]  ? __x64_sys_mount+0x1c/0xc0
[  238.958767][ T5628]  do_syscall_64+0x4c/0xa0
[  238.963239][ T5628]  ? clear_bhb_loop+0x30/0x80
[  238.967909][ T5628]  ? clear_bhb_loop+0x30/0x80
[  238.972573][ T5628]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  238.978455][ T5628] RIP: 0033:0x7f775aa3b10a
[  238.982995][ T5628] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.002591][ T5628] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.010991][ T5628] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  239.019035][ T5628] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  239.026995][ T5628] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  239.034955][ T5628] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  239.042923][ T5628] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  239.050938][ T5628]  </TASK>
[  239.055641][ T5628] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  239.069582][ T5628] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  239.393696][ T5630] loop1: detected capacity change from 0 to 32768
[  239.442985][ T5630] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  239.451870][ T5630] CPU: 1 PID: 5630 Comm: syz.1.197 Not tainted syzkaller #0
[  239.459176][ T5630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  239.469325][ T5630] Call Trace:
[  239.472608][ T5630]  <TASK>
[  239.475566][ T5630]  dump_stack_lvl+0x168/0x230
[  239.480347][ T5630]  ? show_regs_print_info+0x20/0x20
[  239.485558][ T5630]  ? load_image+0x3b0/0x3b0
[  239.490083][ T5630]  sysfs_create_dir_ns+0x252/0x280
[  239.495331][ T5630]  ? __lock_acquire+0x7c60/0x7c60
[  239.500367][ T5630]  ? sysfs_warn_dup+0xa0/0xa0
[  239.505061][ T5630]  ? do_raw_spin_unlock+0x11d/0x230
[  239.510278][ T5630]  kobject_add_internal+0x662/0xd00
[  239.515611][ T5630]  kobject_init_and_add+0x122/0x190
[  239.520792][ T5630]  ? lockdep_softirqs_off+0x420/0x420
[  239.526148][ T5630]  ? kobject_add+0x210/0x210
[  239.530744][ T5630]  ? __init_swait_queue_head+0xa5/0x150
[  239.536276][ T5630]  gfs2_sys_fs_add+0x234/0x480
[  239.541112][ T5630]  ? gfs2_recover_set+0x240/0x240
[  239.546114][ T5630]  ? snprintf+0xd7/0x120
[  239.550344][ T5630]  ? __free_pages+0x95/0x1a0
[  239.554913][ T5630]  ? vscnprintf+0x80/0x80
[  239.559509][ T5630]  gfs2_fill_super+0x128d/0x1f50
[  239.564433][ T5630]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.569437][ T5630]  ? preempt_count_add+0x8d/0x190
[  239.574441][ T5630]  ? sb_set_blocksize+0xa5/0xe0
[  239.579273][ T5630]  get_tree_bdev+0x3f1/0x610
[  239.584018][ T5630]  ? gfs2_reconfigure+0xcd0/0xcd0
[  239.589034][ T5630]  gfs2_get_tree+0x4d/0x1e0
[  239.593539][ T5630]  vfs_get_tree+0x88/0x270
[  239.597945][ T5630]  do_new_mount+0x24a/0xa40
[  239.602444][ T5630]  __se_sys_mount+0x2d6/0x3c0
[  239.607261][ T5630]  ? __x64_sys_mount+0xc0/0xc0
[  239.612018][ T5630]  ? lockdep_hardirqs_on+0x94/0x140
[  239.617199][ T5630]  ? __x64_sys_mount+0x1c/0xc0
[  239.622072][ T5630]  do_syscall_64+0x4c/0xa0
[  239.626477][ T5630]  ? clear_bhb_loop+0x30/0x80
[  239.631139][ T5630]  ? clear_bhb_loop+0x30/0x80
[  239.635801][ T5630]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  239.641690][ T5630] RIP: 0033:0x7f775aa3b10a
[  239.646102][ T5630] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  239.665707][ T5630] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  239.674102][ T5630] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  239.682054][ T5630] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  239.690131][ T5630] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  239.698098][ T5630] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  239.706062][ T5630] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  239.714046][ T5630]  </TASK>
[  239.717569][ T5630] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  239.731567][ T5630] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  240.046624][ T5632] loop1: detected capacity change from 0 to 32768
[  240.123066][ T5632] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  240.131263][ T5632] CPU: 0 PID: 5632 Comm: syz.1.198 Not tainted syzkaller #0
[  240.138559][ T5632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  240.148623][ T5632] Call Trace:
[  240.151912][ T5632]  <TASK>
[  240.154847][ T5632]  dump_stack_lvl+0x168/0x230
[  240.159559][ T5632]  ? show_regs_print_info+0x20/0x20
[  240.164885][ T5632]  ? load_image+0x3b0/0x3b0
[  240.169411][ T5632]  sysfs_create_dir_ns+0x252/0x280
[  240.174534][ T5632]  ? __lock_acquire+0x7c60/0x7c60
[  240.179571][ T5632]  ? sysfs_warn_dup+0xa0/0xa0
[  240.184349][ T5632]  ? do_raw_spin_unlock+0x11d/0x230
[  240.189559][ T5632]  kobject_add_internal+0x662/0xd00
[  240.194787][ T5632]  kobject_init_and_add+0x122/0x190
[  240.200078][ T5632]  ? lockdep_softirqs_off+0x420/0x420
[  240.205599][ T5632]  ? kobject_add+0x210/0x210
[  240.210186][ T5632]  ? __init_swait_queue_head+0xa5/0x150
[  240.215729][ T5632]  gfs2_sys_fs_add+0x234/0x480
[  240.220532][ T5632]  ? gfs2_recover_set+0x240/0x240
[  240.225563][ T5632]  ? snprintf+0xd7/0x120
[  240.229804][ T5632]  ? __free_pages+0x95/0x1a0
[  240.234376][ T5632]  ? vscnprintf+0x80/0x80
[  240.238695][ T5632]  gfs2_fill_super+0x128d/0x1f50
[  240.243708][ T5632]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.248732][ T5632]  ? preempt_count_add+0x8d/0x190
[  240.253759][ T5632]  ? sb_set_blocksize+0xa5/0xe0
[  240.258592][ T5632]  get_tree_bdev+0x3f1/0x610
[  240.263177][ T5632]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.268282][ T5632]  gfs2_get_tree+0x4d/0x1e0
[  240.272767][ T5632]  vfs_get_tree+0x88/0x270
[  240.277166][ T5632]  do_new_mount+0x24a/0xa40
[  240.281656][ T5632]  __se_sys_mount+0x2d6/0x3c0
[  240.286345][ T5632]  ? __x64_sys_mount+0xc0/0xc0
[  240.291103][ T5632]  ? lockdep_hardirqs_on+0x94/0x140
[  240.296413][ T5632]  ? __x64_sys_mount+0x1c/0xc0
[  240.301172][ T5632]  do_syscall_64+0x4c/0xa0
[  240.305686][ T5632]  ? clear_bhb_loop+0x30/0x80
[  240.310353][ T5632]  ? clear_bhb_loop+0x30/0x80
[  240.315147][ T5632]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.321035][ T5632] RIP: 0033:0x7f775aa3b10a
[  240.325439][ T5632] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  240.345291][ T5632] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  240.353691][ T5632] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  240.361649][ T5632] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  240.369688][ T5632] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  240.377647][ T5632] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  240.385604][ T5632] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  240.393568][ T5632]  </TASK>
[  240.405650][ T5632] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  240.419974][ T5632] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  240.744222][ T5634] loop1: detected capacity change from 0 to 32768
[  240.791101][ T5634] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  240.799481][ T5634] CPU: 0 PID: 5634 Comm: syz.1.199 Not tainted syzkaller #0
[  240.806780][ T5634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  240.817223][ T5634] Call Trace:
[  240.820524][ T5634]  <TASK>
[  240.823460][ T5634]  dump_stack_lvl+0x168/0x230
[  240.828153][ T5634]  ? show_regs_print_info+0x20/0x20
[  240.833354][ T5634]  ? load_image+0x3b0/0x3b0
[  240.837963][ T5634]  sysfs_create_dir_ns+0x252/0x280
[  240.843082][ T5634]  ? __lock_acquire+0x7c60/0x7c60
[  240.848115][ T5634]  ? sysfs_warn_dup+0xa0/0xa0
[  240.852800][ T5634]  ? do_raw_spin_unlock+0x11d/0x230
[  240.858004][ T5634]  kobject_add_internal+0x662/0xd00
[  240.863216][ T5634]  kobject_init_and_add+0x122/0x190
[  240.868416][ T5634]  ? lockdep_softirqs_off+0x420/0x420
[  240.873793][ T5634]  ? kobject_add+0x210/0x210
[  240.878367][ T5634]  ? __init_swait_queue_head+0xa5/0x150
[  240.883894][ T5634]  gfs2_sys_fs_add+0x234/0x480
[  240.888916][ T5634]  ? gfs2_recover_set+0x240/0x240
[  240.893916][ T5634]  ? snprintf+0xd7/0x120
[  240.898138][ T5634]  ? __free_pages+0x95/0x1a0
[  240.902712][ T5634]  ? vscnprintf+0x80/0x80
[  240.907112][ T5634]  gfs2_fill_super+0x128d/0x1f50
[  240.912060][ T5634]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.917062][ T5634]  ? preempt_count_add+0x8d/0x190
[  240.922070][ T5634]  ? sb_set_blocksize+0xa5/0xe0
[  240.926911][ T5634]  get_tree_bdev+0x3f1/0x610
[  240.931915][ T5634]  ? gfs2_reconfigure+0xcd0/0xcd0
[  240.937006][ T5634]  gfs2_get_tree+0x4d/0x1e0
[  240.941495][ T5634]  vfs_get_tree+0x88/0x270
[  240.945907][ T5634]  do_new_mount+0x24a/0xa40
[  240.950391][ T5634]  __se_sys_mount+0x2d6/0x3c0
[  240.955045][ T5634]  ? __x64_sys_mount+0xc0/0xc0
[  240.959784][ T5634]  ? lockdep_hardirqs_on+0x94/0x140
[  240.964985][ T5634]  ? __x64_sys_mount+0x1c/0xc0
[  240.969734][ T5634]  do_syscall_64+0x4c/0xa0
[  240.974140][ T5634]  ? clear_bhb_loop+0x30/0x80
[  240.978795][ T5634]  ? clear_bhb_loop+0x30/0x80
[  240.983450][ T5634]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  240.989320][ T5634] RIP: 0033:0x7f775aa3b10a
[  240.993721][ T5634] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.013487][ T5634] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.021880][ T5634] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  241.029832][ T5634] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  241.037877][ T5634] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  241.045952][ T5634] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  241.053914][ T5634] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  241.061880][ T5634]  </TASK>
[  241.066630][ T5634] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  241.080650][ T5634] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  241.391645][ T5636] loop1: detected capacity change from 0 to 32768
[  241.452062][ T5636] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  241.460529][ T5636] CPU: 1 PID: 5636 Comm: syz.1.200 Not tainted syzkaller #0
[  241.467834][ T5636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  241.477903][ T5636] Call Trace:
[  241.481191][ T5636]  <TASK>
[  241.484126][ T5636]  dump_stack_lvl+0x168/0x230
[  241.488815][ T5636]  ? show_regs_print_info+0x20/0x20
[  241.494024][ T5636]  ? load_image+0x3b0/0x3b0
[  241.498554][ T5636]  sysfs_create_dir_ns+0x252/0x280
[  241.503695][ T5636]  ? __lock_acquire+0x7c60/0x7c60
[  241.508741][ T5636]  ? sysfs_warn_dup+0xa0/0xa0
[  241.513431][ T5636]  ? do_raw_spin_unlock+0x11d/0x230
[  241.518640][ T5636]  kobject_add_internal+0x662/0xd00
[  241.523864][ T5636]  kobject_init_and_add+0x122/0x190
[  241.529068][ T5636]  ? lockdep_softirqs_off+0x420/0x420
[  241.534444][ T5636]  ? kobject_add+0x210/0x210
[  241.539020][ T5636]  ? __init_swait_queue_head+0xa5/0x150
[  241.544555][ T5636]  gfs2_sys_fs_add+0x234/0x480
[  241.549315][ T5636]  ? gfs2_recover_set+0x240/0x240
[  241.554315][ T5636]  ? snprintf+0xd7/0x120
[  241.558540][ T5636]  ? __free_pages+0x95/0x1a0
[  241.563235][ T5636]  ? vscnprintf+0x80/0x80
[  241.567560][ T5636]  gfs2_fill_super+0x128d/0x1f50
[  241.572584][ T5636]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.577612][ T5636]  ? preempt_count_add+0x8d/0x190
[  241.582721][ T5636]  ? sb_set_blocksize+0xa5/0xe0
[  241.587580][ T5636]  get_tree_bdev+0x3f1/0x610
[  241.592160][ T5636]  ? gfs2_reconfigure+0xcd0/0xcd0
[  241.597172][ T5636]  gfs2_get_tree+0x4d/0x1e0
[  241.601671][ T5636]  vfs_get_tree+0x88/0x270
[  241.606085][ T5636]  do_new_mount+0x24a/0xa40
[  241.610576][ T5636]  __se_sys_mount+0x2d6/0x3c0
[  241.615235][ T5636]  ? __x64_sys_mount+0xc0/0xc0
[  241.619981][ T5636]  ? lockdep_hardirqs_on+0x94/0x140
[  241.625170][ T5636]  ? __x64_sys_mount+0x1c/0xc0
[  241.629929][ T5636]  do_syscall_64+0x4c/0xa0
[  241.634321][ T5636]  ? clear_bhb_loop+0x30/0x80
[  241.638978][ T5636]  ? clear_bhb_loop+0x30/0x80
[  241.643648][ T5636]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  241.649524][ T5636] RIP: 0033:0x7f775aa3b10a
[  241.653927][ T5636] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  241.673624][ T5636] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  241.682024][ T5636] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  241.689978][ T5636] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  241.697928][ T5636] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  241.705882][ T5636] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  241.713843][ T5636] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  241.721989][ T5636]  </TASK>
[  241.725668][ T5636] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  241.739850][ T5636] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  242.053839][ T5638] loop1: detected capacity change from 0 to 32768
[  242.094016][ T5638] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  242.109472][ T5638] CPU: 0 PID: 5638 Comm: syz.1.201 Not tainted syzkaller #0
[  242.116788][ T5638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  242.126851][ T5638] Call Trace:
[  242.130140][ T5638]  <TASK>
[  242.133075][ T5638]  dump_stack_lvl+0x168/0x230
[  242.137857][ T5638]  ? show_regs_print_info+0x20/0x20
[  242.143060][ T5638]  ? load_image+0x3b0/0x3b0
[  242.147583][ T5638]  sysfs_create_dir_ns+0x252/0x280
[  242.152715][ T5638]  ? __lock_acquire+0x7c60/0x7c60
[  242.157757][ T5638]  ? sysfs_warn_dup+0xa0/0xa0
[  242.162464][ T5638]  ? do_raw_spin_unlock+0x11d/0x230
[  242.167680][ T5638]  kobject_add_internal+0x662/0xd00
[  242.172888][ T5638]  kobject_init_and_add+0x122/0x190
[  242.178093][ T5638]  ? lockdep_softirqs_off+0x420/0x420
[  242.183502][ T5638]  ? kobject_add+0x210/0x210
[  242.188104][ T5638]  ? __init_swait_queue_head+0xa5/0x150
[  242.193657][ T5638]  gfs2_sys_fs_add+0x234/0x480
[  242.198507][ T5638]  ? gfs2_recover_set+0x240/0x240
[  242.203518][ T5638]  ? snprintf+0xd7/0x120
[  242.207826][ T5638]  ? __free_pages+0x95/0x1a0
[  242.212510][ T5638]  ? vscnprintf+0x80/0x80
[  242.216840][ T5638]  gfs2_fill_super+0x128d/0x1f50
[  242.221781][ T5638]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.226789][ T5638]  ? preempt_count_add+0x8d/0x190
[  242.231811][ T5638]  ? sb_set_blocksize+0xa5/0xe0
[  242.236849][ T5638]  get_tree_bdev+0x3f1/0x610
[  242.241680][ T5638]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.246726][ T5638]  gfs2_get_tree+0x4d/0x1e0
[  242.251237][ T5638]  vfs_get_tree+0x88/0x270
[  242.255749][ T5638]  do_new_mount+0x24a/0xa40
[  242.260241][ T5638]  __se_sys_mount+0x2d6/0x3c0
[  242.264900][ T5638]  ? __x64_sys_mount+0xc0/0xc0
[  242.269751][ T5638]  ? lockdep_hardirqs_on+0x94/0x140
[  242.274932][ T5638]  ? __x64_sys_mount+0x1c/0xc0
[  242.279684][ T5638]  do_syscall_64+0x4c/0xa0
[  242.284103][ T5638]  ? clear_bhb_loop+0x30/0x80
[  242.288815][ T5638]  ? clear_bhb_loop+0x30/0x80
[  242.293474][ T5638]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.299352][ T5638] RIP: 0033:0x7f775aa3b10a
[  242.303751][ T5638] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.323431][ T5638] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.331835][ T5638] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  242.339800][ T5638] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  242.347858][ T5638] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  242.355986][ T5638] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  242.364380][ T5638] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  242.372366][ T5638]  </TASK>
[  242.377130][ T5638] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  242.391000][ T5638] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  242.461006][ T4436] Bluetooth: hci1: command 0x0406 tx timeout
2025/09/13 10:03:59 executed programs: 188
[  242.701896][ T5640] loop1: detected capacity change from 0 to 32768
[  242.747031][ T5640] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  242.755857][ T5640] CPU: 1 PID: 5640 Comm: syz.1.202 Not tainted syzkaller #0
[  242.763166][ T5640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  242.773235][ T5640] Call Trace:
[  242.776523][ T5640]  <TASK>
[  242.779468][ T5640]  dump_stack_lvl+0x168/0x230
[  242.784166][ T5640]  ? show_regs_print_info+0x20/0x20
[  242.789387][ T5640]  ? load_image+0x3b0/0x3b0
[  242.793918][ T5640]  sysfs_create_dir_ns+0x252/0x280
[  242.799081][ T5640]  ? __lock_acquire+0x7c60/0x7c60
[  242.804122][ T5640]  ? sysfs_warn_dup+0xa0/0xa0
[  242.808812][ T5640]  ? do_raw_spin_unlock+0x11d/0x230
[  242.814455][ T5640]  kobject_add_internal+0x662/0xd00
[  242.819673][ T5640]  kobject_init_and_add+0x122/0x190
[  242.824888][ T5640]  ? lockdep_softirqs_off+0x420/0x420
[  242.830267][ T5640]  ? kobject_add+0x210/0x210
[  242.834852][ T5640]  ? __init_swait_queue_head+0xa5/0x150
[  242.840614][ T5640]  gfs2_sys_fs_add+0x234/0x480
[  242.845371][ T5640]  ? gfs2_recover_set+0x240/0x240
[  242.850382][ T5640]  ? snprintf+0xd7/0x120
[  242.854620][ T5640]  ? __free_pages+0x95/0x1a0
[  242.859198][ T5640]  ? vscnprintf+0x80/0x80
[  242.863519][ T5640]  gfs2_fill_super+0x128d/0x1f50
[  242.868446][ T5640]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.873574][ T5640]  ? preempt_count_add+0x8d/0x190
[  242.878592][ T5640]  ? sb_set_blocksize+0xa5/0xe0
[  242.883479][ T5640]  get_tree_bdev+0x3f1/0x610
[  242.888280][ T5640]  ? gfs2_reconfigure+0xcd0/0xcd0
[  242.893334][ T5640]  gfs2_get_tree+0x4d/0x1e0
[  242.897816][ T5640]  vfs_get_tree+0x88/0x270
[  242.902213][ T5640]  do_new_mount+0x24a/0xa40
[  242.906718][ T5640]  __se_sys_mount+0x2d6/0x3c0
[  242.911378][ T5640]  ? __x64_sys_mount+0xc0/0xc0
[  242.916122][ T5640]  ? lockdep_hardirqs_on+0x94/0x140
[  242.921300][ T5640]  ? __x64_sys_mount+0x1c/0xc0
[  242.926050][ T5640]  do_syscall_64+0x4c/0xa0
[  242.930455][ T5640]  ? clear_bhb_loop+0x30/0x80
[  242.935286][ T5640]  ? clear_bhb_loop+0x30/0x80
[  242.940135][ T5640]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  242.946210][ T5640] RIP: 0033:0x7f775aa3b10a
[  242.950620][ T5640] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  242.970231][ T5640] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  242.978654][ T5640] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  242.986978][ T5640] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  242.995041][ T5640] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  243.003002][ T5640] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  243.010965][ T5640] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  243.018933][ T5640]  </TASK>
[  243.022983][ T5640] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  243.037005][ T5640] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  243.346774][ T5642] loop1: detected capacity change from 0 to 32768
[  243.403669][ T5642] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  243.411879][ T5642] CPU: 1 PID: 5642 Comm: syz.1.203 Not tainted syzkaller #0
[  243.419168][ T5642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  243.429284][ T5642] Call Trace:
[  243.432580][ T5642]  <TASK>
[  243.435519][ T5642]  dump_stack_lvl+0x168/0x230
[  243.440211][ T5642]  ? show_regs_print_info+0x20/0x20
[  243.445422][ T5642]  ? load_image+0x3b0/0x3b0
[  243.449951][ T5642]  sysfs_create_dir_ns+0x252/0x280
[  243.455077][ T5642]  ? __lock_acquire+0x7c60/0x7c60
[  243.460115][ T5642]  ? sysfs_warn_dup+0xa0/0xa0
[  243.464982][ T5642]  ? do_raw_spin_unlock+0x11d/0x230
[  243.470297][ T5642]  kobject_add_internal+0x662/0xd00
[  243.475505][ T5642]  kobject_init_and_add+0x122/0x190
[  243.480696][ T5642]  ? lockdep_softirqs_off+0x420/0x420
[  243.486051][ T5642]  ? kobject_add+0x210/0x210
[  243.490637][ T5642]  ? __init_swait_queue_head+0xa5/0x150
[  243.496166][ T5642]  gfs2_sys_fs_add+0x234/0x480
[  243.500918][ T5642]  ? gfs2_recover_set+0x240/0x240
[  243.505924][ T5642]  ? snprintf+0xd7/0x120
[  243.510148][ T5642]  ? __free_pages+0x95/0x1a0
[  243.514722][ T5642]  ? vscnprintf+0x80/0x80
[  243.519046][ T5642]  gfs2_fill_super+0x128d/0x1f50
[  243.523982][ T5642]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.529080][ T5642]  ? preempt_count_add+0x8d/0x190
[  243.534096][ T5642]  ? sb_set_blocksize+0xa5/0xe0
[  243.538933][ T5642]  get_tree_bdev+0x3f1/0x610
[  243.543507][ T5642]  ? gfs2_reconfigure+0xcd0/0xcd0
[  243.548544][ T5642]  gfs2_get_tree+0x4d/0x1e0
[  243.553049][ T5642]  vfs_get_tree+0x88/0x270
[  243.557455][ T5642]  do_new_mount+0x24a/0xa40
[  243.561959][ T5642]  __se_sys_mount+0x2d6/0x3c0
[  243.566625][ T5642]  ? __x64_sys_mount+0xc0/0xc0
[  243.571369][ T5642]  ? lockdep_hardirqs_on+0x94/0x140
[  243.576547][ T5642]  ? __x64_sys_mount+0x1c/0xc0
[  243.581293][ T5642]  do_syscall_64+0x4c/0xa0
[  243.585686][ T5642]  ? clear_bhb_loop+0x30/0x80
[  243.590343][ T5642]  ? clear_bhb_loop+0x30/0x80
[  243.595004][ T5642]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  243.600877][ T5642] RIP: 0033:0x7f775aa3b10a
[  243.605460][ T5642] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  243.625055][ T5642] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  243.633462][ T5642] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  243.641440][ T5642] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  243.649398][ T5642] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  243.657361][ T5642] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  243.665311][ T5642] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  243.673317][ T5642]  </TASK>
[  243.687777][ T5642] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  243.702482][ T5642] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  244.015678][ T5644] loop1: detected capacity change from 0 to 32768
[  244.075721][ T5644] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  244.084158][ T5644] CPU: 1 PID: 5644 Comm: syz.1.204 Not tainted syzkaller #0
[  244.091477][ T5644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  244.101798][ T5644] Call Trace:
[  244.105087][ T5644]  <TASK>
[  244.108035][ T5644]  dump_stack_lvl+0x168/0x230
[  244.112723][ T5644]  ? show_regs_print_info+0x20/0x20
[  244.118023][ T5644]  ? load_image+0x3b0/0x3b0
[  244.122552][ T5644]  sysfs_create_dir_ns+0x252/0x280
[  244.127707][ T5644]  ? __lock_acquire+0x7c60/0x7c60
[  244.132747][ T5644]  ? sysfs_warn_dup+0xa0/0xa0
[  244.137446][ T5644]  ? do_raw_spin_unlock+0x11d/0x230
[  244.142653][ T5644]  kobject_add_internal+0x662/0xd00
[  244.147867][ T5644]  kobject_init_and_add+0x122/0x190
[  244.153073][ T5644]  ? lockdep_softirqs_off+0x420/0x420
[  244.158564][ T5644]  ? kobject_add+0x210/0x210
[  244.163153][ T5644]  ? __init_swait_queue_head+0xa5/0x150
[  244.169120][ T5644]  gfs2_sys_fs_add+0x234/0x480
[  244.173886][ T5644]  ? gfs2_recover_set+0x240/0x240
[  244.178983][ T5644]  ? snprintf+0xd7/0x120
[  244.183217][ T5644]  ? __free_pages+0x95/0x1a0
[  244.187804][ T5644]  ? vscnprintf+0x80/0x80
[  244.192353][ T5644]  gfs2_fill_super+0x128d/0x1f50
[  244.197291][ T5644]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.202354][ T5644]  ? preempt_count_add+0x8d/0x190
[  244.207489][ T5644]  ? sb_set_blocksize+0xa5/0xe0
[  244.212446][ T5644]  get_tree_bdev+0x3f1/0x610
[  244.217044][ T5644]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.222052][ T5644]  gfs2_get_tree+0x4d/0x1e0
[  244.226546][ T5644]  vfs_get_tree+0x88/0x270
[  244.231473][ T5644]  do_new_mount+0x24a/0xa40
[  244.235960][ T5644]  __se_sys_mount+0x2d6/0x3c0
[  244.240619][ T5644]  ? __x64_sys_mount+0xc0/0xc0
[  244.245397][ T5644]  ? lockdep_hardirqs_on+0x94/0x140
[  244.250589][ T5644]  ? __x64_sys_mount+0x1c/0xc0
[  244.255336][ T5644]  do_syscall_64+0x4c/0xa0
[  244.259839][ T5644]  ? clear_bhb_loop+0x30/0x80
[  244.264490][ T5644]  ? clear_bhb_loop+0x30/0x80
[  244.269150][ T5644]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.275020][ T5644] RIP: 0033:0x7f775aa3b10a
[  244.279418][ T5644] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.299025][ T5644] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.307531][ T5644] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  244.315605][ T5644] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  244.323589][ T5644] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  244.331554][ T5644] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  244.339629][ T5644] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  244.347687][ T5644]  </TASK>
[  244.351555][ T5644] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  244.365424][ T5644] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  244.671683][ T5646] loop1: detected capacity change from 0 to 32768
[  244.724859][ T5646] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  244.733581][ T5646] CPU: 1 PID: 5646 Comm: syz.1.205 Not tainted syzkaller #0
[  244.741417][ T5646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  244.751796][ T5646] Call Trace:
[  244.755081][ T5646]  <TASK>
[  244.758015][ T5646]  dump_stack_lvl+0x168/0x230
[  244.762747][ T5646]  ? show_regs_print_info+0x20/0x20
[  244.768053][ T5646]  ? load_image+0x3b0/0x3b0
[  244.772672][ T5646]  sysfs_create_dir_ns+0x252/0x280
[  244.777795][ T5646]  ? __lock_acquire+0x7c60/0x7c60
[  244.782831][ T5646]  ? sysfs_warn_dup+0xa0/0xa0
[  244.787528][ T5646]  ? do_raw_spin_unlock+0x11d/0x230
[  244.792825][ T5646]  kobject_add_internal+0x662/0xd00
[  244.798046][ T5646]  kobject_init_and_add+0x122/0x190
[  244.803254][ T5646]  ? lockdep_softirqs_off+0x420/0x420
[  244.808802][ T5646]  ? kobject_add+0x210/0x210
[  244.813391][ T5646]  ? __init_swait_queue_head+0xa5/0x150
[  244.818925][ T5646]  gfs2_sys_fs_add+0x234/0x480
[  244.823675][ T5646]  ? gfs2_recover_set+0x240/0x240
[  244.828793][ T5646]  ? snprintf+0xd7/0x120
[  244.833032][ T5646]  ? __free_pages+0x95/0x1a0
[  244.837618][ T5646]  ? vscnprintf+0x80/0x80
[  244.841956][ T5646]  gfs2_fill_super+0x128d/0x1f50
[  244.846974][ T5646]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.852095][ T5646]  ? preempt_count_add+0x8d/0x190
[  244.857217][ T5646]  ? sb_set_blocksize+0xa5/0xe0
[  244.862060][ T5646]  get_tree_bdev+0x3f1/0x610
[  244.866637][ T5646]  ? gfs2_reconfigure+0xcd0/0xcd0
[  244.871644][ T5646]  gfs2_get_tree+0x4d/0x1e0
[  244.876145][ T5646]  vfs_get_tree+0x88/0x270
[  244.880662][ T5646]  do_new_mount+0x24a/0xa40
[  244.885165][ T5646]  __se_sys_mount+0x2d6/0x3c0
[  244.889828][ T5646]  ? __x64_sys_mount+0xc0/0xc0
[  244.894663][ T5646]  ? lockdep_hardirqs_on+0x94/0x140
[  244.899859][ T5646]  ? __x64_sys_mount+0x1c/0xc0
[  244.904607][ T5646]  do_syscall_64+0x4c/0xa0
[  244.909006][ T5646]  ? clear_bhb_loop+0x30/0x80
[  244.913678][ T5646]  ? clear_bhb_loop+0x30/0x80
[  244.918589][ T5646]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  244.924580][ T5646] RIP: 0033:0x7f775aa3b10a
[  244.928996][ T5646] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  244.948762][ T5646] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  244.957164][ T5646] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  244.965143][ T5646] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  244.973130][ T5646] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  244.981088][ T5646] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  244.989037][ T5646] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  244.997007][ T5646]  </TASK>
[  245.000933][ T5646] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  245.014853][ T5646] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  245.348226][ T5648] loop1: detected capacity change from 0 to 32768
[  245.388887][ T5648] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  245.397070][ T5648] CPU: 1 PID: 5648 Comm: syz.1.206 Not tainted syzkaller #0
[  245.404375][ T5648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  245.414525][ T5648] Call Trace:
[  245.417809][ T5648]  <TASK>
[  245.420740][ T5648]  dump_stack_lvl+0x168/0x230
[  245.425428][ T5648]  ? show_regs_print_info+0x20/0x20
[  245.430636][ T5648]  ? load_image+0x3b0/0x3b0
[  245.435163][ T5648]  sysfs_create_dir_ns+0x252/0x280
[  245.440319][ T5648]  ? __lock_acquire+0x7c60/0x7c60
[  245.445352][ T5648]  ? sysfs_warn_dup+0xa0/0xa0
[  245.450055][ T5648]  ? do_raw_spin_unlock+0x11d/0x230
[  245.455265][ T5648]  kobject_add_internal+0x662/0xd00
[  245.460481][ T5648]  kobject_init_and_add+0x122/0x190
[  245.465853][ T5648]  ? lockdep_softirqs_off+0x420/0x420
[  245.471212][ T5648]  ? kobject_add+0x210/0x210
[  245.475789][ T5648]  ? __init_swait_queue_head+0xa5/0x150
[  245.481407][ T5648]  gfs2_sys_fs_add+0x234/0x480
[  245.486179][ T5648]  ? gfs2_recover_set+0x240/0x240
[  245.491296][ T5648]  ? snprintf+0xd7/0x120
[  245.495518][ T5648]  ? __free_pages+0x95/0x1a0
[  245.500093][ T5648]  ? vscnprintf+0x80/0x80
[  245.504409][ T5648]  gfs2_fill_super+0x128d/0x1f50
[  245.509341][ T5648]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.514359][ T5648]  ? preempt_count_add+0x8d/0x190
[  245.519370][ T5648]  ? sb_set_blocksize+0xa5/0xe0
[  245.524196][ T5648]  get_tree_bdev+0x3f1/0x610
[  245.528772][ T5648]  ? gfs2_reconfigure+0xcd0/0xcd0
[  245.533778][ T5648]  gfs2_get_tree+0x4d/0x1e0
[  245.538276][ T5648]  vfs_get_tree+0x88/0x270
[  245.542687][ T5648]  do_new_mount+0x24a/0xa40
[  245.547182][ T5648]  __se_sys_mount+0x2d6/0x3c0
[  245.551852][ T5648]  ? __x64_sys_mount+0xc0/0xc0
[  245.556669][ T5648]  ? lockdep_hardirqs_on+0x94/0x140
[  245.561938][ T5648]  ? __x64_sys_mount+0x1c/0xc0
[  245.566890][ T5648]  do_syscall_64+0x4c/0xa0
[  245.571289][ T5648]  ? clear_bhb_loop+0x30/0x80
[  245.576297][ T5648]  ? clear_bhb_loop+0x30/0x80
[  245.580954][ T5648]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  245.586824][ T5648] RIP: 0033:0x7f775aa3b10a
[  245.591219][ T5648] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  245.610809][ T5648] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  245.619218][ T5648] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  245.627175][ T5648] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  245.635131][ T5648] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  245.643083][ T5648] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  245.651035][ T5648] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  245.659034][ T5648]  </TASK>
[  245.662619][ T5648] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  245.676459][ T5648] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  245.983573][ T5650] loop1: detected capacity change from 0 to 32768
[  246.033557][ T5650] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  246.041818][ T5650] CPU: 0 PID: 5650 Comm: syz.1.207 Not tainted syzkaller #0
[  246.049208][ T5650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  246.059281][ T5650] Call Trace:
[  246.062571][ T5650]  <TASK>
[  246.065499][ T5650]  dump_stack_lvl+0x168/0x230
[  246.070192][ T5650]  ? show_regs_print_info+0x20/0x20
[  246.075409][ T5650]  ? load_image+0x3b0/0x3b0
[  246.079933][ T5650]  sysfs_create_dir_ns+0x252/0x280
[  246.085053][ T5650]  ? __lock_acquire+0x7c60/0x7c60
[  246.090085][ T5650]  ? sysfs_warn_dup+0xa0/0xa0
[  246.094772][ T5650]  ? do_raw_spin_unlock+0x11d/0x230
[  246.100069][ T5650]  kobject_add_internal+0x662/0xd00
[  246.105269][ T5650]  kobject_init_and_add+0x122/0x190
[  246.110477][ T5650]  ? lockdep_softirqs_off+0x420/0x420
[  246.115831][ T5650]  ? kobject_add+0x210/0x210
[  246.120402][ T5650]  ? __init_swait_queue_head+0xa5/0x150
[  246.125929][ T5650]  gfs2_sys_fs_add+0x234/0x480
[  246.130793][ T5650]  ? gfs2_recover_set+0x240/0x240
[  246.136289][ T5650]  ? snprintf+0xd7/0x120
[  246.140700][ T5650]  ? __free_pages+0x95/0x1a0
[  246.145270][ T5650]  ? vscnprintf+0x80/0x80
[  246.149601][ T5650]  gfs2_fill_super+0x128d/0x1f50
[  246.154523][ T5650]  ? gfs2_reconfigure+0xcd0/0xcd0
[  246.159529][ T5650]  ? preempt_count_add+0x8d/0x190
[  246.164624][ T5650]  ? sb_set_blocksize+0xa5/0xe0
[  246.169551][ T5650]  get_tree_bdev+0x3f1/0x610
[  246.174125][ T5650]  ? gfs2_reconfigure+0xcd0/0xcd0
[  246.179133][ T5650]  gfs2_get_tree+0x4d/0x1e0
[  246.183614][ T5650]  vfs_get_tree+0x88/0x270
[  246.188011][ T5650]  do_new_mount+0x24a/0xa40
[  246.192503][ T5650]  __se_sys_mount+0x2d6/0x3c0
[  246.197179][ T5650]  ? __x64_sys_mount+0xc0/0xc0
[  246.201968][ T5650]  ? lockdep_hardirqs_on+0x94/0x140
[  246.207265][ T5650]  ? __x64_sys_mount+0x1c/0xc0
[  246.212021][ T5650]  do_syscall_64+0x4c/0xa0
[  246.216437][ T5650]  ? clear_bhb_loop+0x30/0x80
[  246.221098][ T5650]  ? clear_bhb_loop+0x30/0x80
[  246.225756][ T5650]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.231627][ T5650] RIP: 0033:0x7f775aa3b10a
[  246.236023][ T5650] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.255806][ T5650] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.264226][ T5650] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  246.272208][ T5650] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  246.280167][ T5650] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  246.288125][ T5650] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  246.296194][ T5650] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  246.304336][ T5650]  </TASK>
[  246.309520][ T5650] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  246.323439][ T5650] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  246.644155][ T5652] loop1: detected capacity change from 0 to 32768
[  246.662323][ T5652] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  246.670624][ T5652] CPU: 1 PID: 5652 Comm: syz.1.208 Not tainted syzkaller #0
[  246.677964][ T5652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  246.688027][ T5652] Call Trace:
[  246.691310][ T5652]  <TASK>
[  246.694242][ T5652]  dump_stack_lvl+0x168/0x230
[  246.698939][ T5652]  ? show_regs_print_info+0x20/0x20
[  246.704154][ T5652]  ? load_image+0x3b0/0x3b0
[  246.708693][ T5652]  sysfs_create_dir_ns+0x252/0x280
[  246.713824][ T5652]  ? __lock_acquire+0x7c60/0x7c60
[  246.718963][ T5652]  ? sysfs_warn_dup+0xa0/0xa0
[  246.723927][ T5652]  ? do_raw_spin_unlock+0x11d/0x230
[  246.729145][ T5652]  kobject_add_internal+0x662/0xd00
[  246.734463][ T5652]  kobject_init_and_add+0x122/0x190
[  246.739682][ T5652]  ? lockdep_softirqs_off+0x420/0x420
[  246.745051][ T5652]  ? kobject_add+0x210/0x210
[  246.749663][ T5652]  ? __init_swait_queue_head+0xa5/0x150
[  246.755224][ T5652]  gfs2_sys_fs_add+0x234/0x480
[  246.760000][ T5652]  ? gfs2_recover_set+0x240/0x240
[  246.765270][ T5652]  ? snprintf+0xd7/0x120
[  246.769762][ T5652]  ? __free_pages+0x95/0x1a0
[  246.774358][ T5652]  ? vscnprintf+0x80/0x80
[  246.778776][ T5652]  gfs2_fill_super+0x128d/0x1f50
[  246.783728][ T5652]  ? gfs2_reconfigure+0xcd0/0xcd0
[  246.788823][ T5652]  ? preempt_count_add+0x8d/0x190
[  246.793939][ T5652]  ? sb_set_blocksize+0xa5/0xe0
[  246.798788][ T5652]  get_tree_bdev+0x3f1/0x610
[  246.803368][ T5652]  ? gfs2_reconfigure+0xcd0/0xcd0
[  246.808379][ T5652]  gfs2_get_tree+0x4d/0x1e0
[  246.813055][ T5652]  vfs_get_tree+0x88/0x270
[  246.817485][ T5652]  do_new_mount+0x24a/0xa40
[  246.821989][ T5652]  __se_sys_mount+0x2d6/0x3c0
[  246.826654][ T5652]  ? __x64_sys_mount+0xc0/0xc0
[  246.831490][ T5652]  ? lockdep_hardirqs_on+0x94/0x140
[  246.836679][ T5652]  ? __x64_sys_mount+0x1c/0xc0
[  246.841437][ T5652]  do_syscall_64+0x4c/0xa0
[  246.845848][ T5652]  ? clear_bhb_loop+0x30/0x80
[  246.850516][ T5652]  ? clear_bhb_loop+0x30/0x80
[  246.855177][ T5652]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  246.861145][ T5652] RIP: 0033:0x7f775aa3b10a
[  246.865638][ T5652] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  246.885574][ T5652] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  246.893974][ T5652] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  246.901929][ T5652] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  246.910060][ T5652] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  246.918014][ T5652] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  246.925969][ T5652] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  246.933933][ T5652]  </TASK>
[  246.937745][ T5652] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  246.951703][ T5652] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  247.248637][ T5654] loop1: detected capacity change from 0 to 32768
[  247.304064][ T5654] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  247.313355][ T5654] CPU: 0 PID: 5654 Comm: syz.1.209 Not tainted syzkaller #0
[  247.320670][ T5654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  247.330732][ T5654] Call Trace:
[  247.334020][ T5654]  <TASK>
[  247.336971][ T5654]  dump_stack_lvl+0x168/0x230
[  247.341667][ T5654]  ? show_regs_print_info+0x20/0x20
[  247.346877][ T5654]  ? load_image+0x3b0/0x3b0
[  247.351393][ T5654]  sysfs_create_dir_ns+0x252/0x280
[  247.356604][ T5654]  ? __lock_acquire+0x7c60/0x7c60
[  247.361639][ T5654]  ? sysfs_warn_dup+0xa0/0xa0
[  247.366355][ T5654]  ? do_raw_spin_unlock+0x11d/0x230
[  247.371668][ T5654]  kobject_add_internal+0x662/0xd00
[  247.376890][ T5654]  kobject_init_and_add+0x122/0x190
[  247.382096][ T5654]  ? lockdep_softirqs_off+0x420/0x420
[  247.387481][ T5654]  ? kobject_add+0x210/0x210
[  247.392183][ T5654]  ? __init_swait_queue_head+0xa5/0x150
[  247.397735][ T5654]  gfs2_sys_fs_add+0x234/0x480
[  247.402489][ T5654]  ? gfs2_recover_set+0x240/0x240
[  247.407492][ T5654]  ? snprintf+0xd7/0x120
[  247.411717][ T5654]  ? __free_pages+0x95/0x1a0
[  247.416645][ T5654]  ? vscnprintf+0x80/0x80
[  247.421349][ T5654]  gfs2_fill_super+0x128d/0x1f50
[  247.426625][ T5654]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.431645][ T5654]  ? preempt_count_add+0x8d/0x190
[  247.436758][ T5654]  ? sb_set_blocksize+0xa5/0xe0
[  247.441622][ T5654]  get_tree_bdev+0x3f1/0x610
[  247.446456][ T5654]  ? gfs2_reconfigure+0xcd0/0xcd0
[  247.451466][ T5654]  gfs2_get_tree+0x4d/0x1e0
[  247.455958][ T5654]  vfs_get_tree+0x88/0x270
[  247.460366][ T5654]  do_new_mount+0x24a/0xa40
[  247.464896][ T5654]  __se_sys_mount+0x2d6/0x3c0
[  247.469596][ T5654]  ? __x64_sys_mount+0xc0/0xc0
[  247.474631][ T5654]  ? lockdep_hardirqs_on+0x94/0x140
[  247.480000][ T5654]  ? __x64_sys_mount+0x1c/0xc0
[  247.484841][ T5654]  do_syscall_64+0x4c/0xa0
[  247.489251][ T5654]  ? clear_bhb_loop+0x30/0x80
[  247.493917][ T5654]  ? clear_bhb_loop+0x30/0x80
[  247.498591][ T5654]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  247.504477][ T5654] RIP: 0033:0x7f775aa3b10a
[  247.508977][ T5654] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  247.528692][ T5654] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  247.537396][ T5654] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  247.545441][ T5654] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  247.553395][ T5654] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  247.561379][ T5654] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  247.569332][ T5654] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  247.577407][ T5654]  </TASK>
[  247.582445][ T5654] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  247.596656][ T5654] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
2025/09/13 10:04:04 executed programs: 196
[  247.909651][ T5656] loop1: detected capacity change from 0 to 32768
[  248.033089][ T5656] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  248.043310][ T5656] CPU: 1 PID: 5656 Comm: syz.1.210 Not tainted syzkaller #0
[  248.050622][ T5656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  248.060775][ T5656] Call Trace:
[  248.064146][ T5656]  <TASK>
[  248.067088][ T5656]  dump_stack_lvl+0x168/0x230
[  248.071871][ T5656]  ? show_regs_print_info+0x20/0x20
[  248.077076][ T5656]  ? load_image+0x3b0/0x3b0
[  248.081583][ T5656]  sysfs_create_dir_ns+0x252/0x280
[  248.086680][ T5656]  ? __lock_acquire+0x7c60/0x7c60
[  248.091684][ T5656]  ? sysfs_warn_dup+0xa0/0xa0
[  248.096345][ T5656]  ? do_raw_spin_unlock+0x11d/0x230
[  248.101521][ T5656]  kobject_add_internal+0x662/0xd00
[  248.106702][ T5656]  kobject_init_and_add+0x122/0x190
[  248.111874][ T5656]  ? lockdep_softirqs_off+0x420/0x420
[  248.117232][ T5656]  ? kobject_add+0x210/0x210
[  248.121809][ T5656]  ? __init_swait_queue_head+0xa5/0x150
[  248.127332][ T5656]  gfs2_sys_fs_add+0x234/0x480
[  248.132248][ T5656]  ? gfs2_recover_set+0x240/0x240
[  248.137250][ T5656]  ? snprintf+0xd7/0x120
[  248.141475][ T5656]  ? __free_pages+0x95/0x1a0
[  248.146055][ T5656]  ? vscnprintf+0x80/0x80
[  248.150368][ T5656]  gfs2_fill_super+0x128d/0x1f50
[  248.155295][ T5656]  ? gfs2_reconfigure+0xcd0/0xcd0
[  248.160305][ T5656]  ? preempt_count_add+0x8d/0x190
[  248.165311][ T5656]  ? sb_set_blocksize+0xa5/0xe0
[  248.170137][ T5656]  get_tree_bdev+0x3f1/0x610
[  248.175266][ T5656]  ? gfs2_reconfigure+0xcd0/0xcd0
[  248.180269][ T5656]  gfs2_get_tree+0x4d/0x1e0
[  248.184844][ T5656]  vfs_get_tree+0x88/0x270
[  248.189240][ T5656]  do_new_mount+0x24a/0xa40
[  248.193779][ T5656]  __se_sys_mount+0x2d6/0x3c0
[  248.198439][ T5656]  ? __x64_sys_mount+0xc0/0xc0
[  248.203180][ T5656]  ? lockdep_hardirqs_on+0x94/0x140
[  248.208359][ T5656]  ? __x64_sys_mount+0x1c/0xc0
[  248.213198][ T5656]  do_syscall_64+0x4c/0xa0
[  248.217595][ T5656]  ? clear_bhb_loop+0x30/0x80
[  248.222337][ T5656]  ? clear_bhb_loop+0x30/0x80
[  248.226995][ T5656]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.232874][ T5656] RIP: 0033:0x7f775aa3b10a
[  248.237269][ T5656] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.257134][ T5656] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.265541][ T5656] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  248.273623][ T5656] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  248.281595][ T5656] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  248.289551][ T5656] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  248.297611][ T5656] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  248.305708][ T5656]  </TASK>
[  248.309681][ T5656] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  248.324635][ T5656] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  248.637752][ T5658] loop1: detected capacity change from 0 to 32768
[  248.711096][ T5658] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  248.720297][ T5658] CPU: 1 PID: 5658 Comm: syz.1.211 Not tainted syzkaller #0
[  248.727630][ T5658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  248.737691][ T5658] Call Trace:
[  248.740980][ T5658]  <TASK>
[  248.743907][ T5658]  dump_stack_lvl+0x168/0x230
[  248.748596][ T5658]  ? show_regs_print_info+0x20/0x20
[  248.753895][ T5658]  ? load_image+0x3b0/0x3b0
[  248.758414][ T5658]  sysfs_create_dir_ns+0x252/0x280
[  248.763539][ T5658]  ? __lock_acquire+0x7c60/0x7c60
[  248.768567][ T5658]  ? sysfs_warn_dup+0xa0/0xa0
[  248.773252][ T5658]  ? do_raw_spin_unlock+0x11d/0x230
[  248.778456][ T5658]  kobject_add_internal+0x662/0xd00
[  248.783667][ T5658]  kobject_init_and_add+0x122/0x190
[  248.788873][ T5658]  ? lockdep_softirqs_off+0x420/0x420
[  248.794351][ T5658]  ? kobject_add+0x210/0x210
[  248.799047][ T5658]  ? __init_swait_queue_head+0xa5/0x150
[  248.804590][ T5658]  gfs2_sys_fs_add+0x234/0x480
[  248.809349][ T5658]  ? gfs2_recover_set+0x240/0x240
[  248.814352][ T5658]  ? snprintf+0xd7/0x120
[  248.818579][ T5658]  ? __free_pages+0x95/0x1a0
[  248.823148][ T5658]  ? vscnprintf+0x80/0x80
[  248.827486][ T5658]  gfs2_fill_super+0x128d/0x1f50
[  248.832412][ T5658]  ? gfs2_reconfigure+0xcd0/0xcd0
[  248.837454][ T5658]  ? preempt_count_add+0x8d/0x190
[  248.842460][ T5658]  ? sb_set_blocksize+0xa5/0xe0
[  248.847290][ T5658]  get_tree_bdev+0x3f1/0x610
[  248.851949][ T5658]  ? gfs2_reconfigure+0xcd0/0xcd0
[  248.856971][ T5658]  gfs2_get_tree+0x4d/0x1e0
[  248.861469][ T5658]  vfs_get_tree+0x88/0x270
[  248.866026][ T5658]  do_new_mount+0x24a/0xa40
[  248.870546][ T5658]  __se_sys_mount+0x2d6/0x3c0
[  248.875216][ T5658]  ? __x64_sys_mount+0xc0/0xc0
[  248.879980][ T5658]  ? lockdep_hardirqs_on+0x94/0x140
[  248.885161][ T5658]  ? __x64_sys_mount+0x1c/0xc0
[  248.889908][ T5658]  do_syscall_64+0x4c/0xa0
[  248.894314][ T5658]  ? clear_bhb_loop+0x30/0x80
[  248.898971][ T5658]  ? clear_bhb_loop+0x30/0x80
[  248.903719][ T5658]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  248.909590][ T5658] RIP: 0033:0x7f775aa3b10a
[  248.914012][ T5658] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  248.933599][ T5658] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  248.942009][ T5658] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  248.950106][ T5658] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  248.958072][ T5658] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  248.966035][ T5658] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  248.974265][ T5658] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  248.982765][ T5658]  </TASK>
[  248.986532][ T5658] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  249.000541][ T5658] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  249.332070][ T5660] loop1: detected capacity change from 0 to 32768
[  249.361058][ T5660] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  249.369241][ T5660] CPU: 0 PID: 5660 Comm: syz.1.212 Not tainted syzkaller #0
[  249.376629][ T5660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  249.387046][ T5660] Call Trace:
[  249.390334][ T5660]  <TASK>
[  249.393273][ T5660]  dump_stack_lvl+0x168/0x230
[  249.397963][ T5660]  ? show_regs_print_info+0x20/0x20
[  249.403168][ T5660]  ? load_image+0x3b0/0x3b0
[  249.407867][ T5660]  sysfs_create_dir_ns+0x252/0x280
[  249.413074][ T5660]  ? __lock_acquire+0x7c60/0x7c60
[  249.418101][ T5660]  ? sysfs_warn_dup+0xa0/0xa0
[  249.422799][ T5660]  ? do_raw_spin_unlock+0x11d/0x230
[  249.428451][ T5660]  kobject_add_internal+0x662/0xd00
[  249.433665][ T5660]  kobject_init_and_add+0x122/0x190
[  249.438846][ T5660]  ? lockdep_softirqs_off+0x420/0x420
[  249.444467][ T5660]  ? kobject_add+0x210/0x210
[  249.449056][ T5660]  ? __init_swait_queue_head+0xa5/0x150
[  249.455179][ T5660]  gfs2_sys_fs_add+0x234/0x480
[  249.459948][ T5660]  ? gfs2_recover_set+0x240/0x240
[  249.464966][ T5660]  ? snprintf+0xd7/0x120
[  249.469208][ T5660]  ? __free_pages+0x95/0x1a0
[  249.473796][ T5660]  ? vscnprintf+0x80/0x80
[  249.478141][ T5660]  gfs2_fill_super+0x128d/0x1f50
[  249.483151][ T5660]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.488175][ T5660]  ? preempt_count_add+0x8d/0x190
[  249.493193][ T5660]  ? sb_set_blocksize+0xa5/0xe0
[  249.498032][ T5660]  get_tree_bdev+0x3f1/0x610
[  249.502607][ T5660]  ? gfs2_reconfigure+0xcd0/0xcd0
[  249.507646][ T5660]  gfs2_get_tree+0x4d/0x1e0
[  249.512160][ T5660]  vfs_get_tree+0x88/0x270
[  249.516563][ T5660]  do_new_mount+0x24a/0xa40
[  249.521072][ T5660]  __se_sys_mount+0x2d6/0x3c0
[  249.525886][ T5660]  ? __x64_sys_mount+0xc0/0xc0
[  249.530653][ T5660]  ? lockdep_hardirqs_on+0x94/0x140
[  249.535843][ T5660]  ? __x64_sys_mount+0x1c/0xc0
[  249.540606][ T5660]  do_syscall_64+0x4c/0xa0
[  249.545033][ T5660]  ? clear_bhb_loop+0x30/0x80
[  249.549705][ T5660]  ? clear_bhb_loop+0x30/0x80
[  249.554376][ T5660]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  249.560256][ T5660] RIP: 0033:0x7f775aa3b10a
[  249.564747][ T5660] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  249.584981][ T5660] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  249.593381][ T5660] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  249.601335][ T5660] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  249.609295][ T5660] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  249.617249][ T5660] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  249.625201][ T5660] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  249.633167][ T5660]  </TASK>
[  249.638709][ T5660] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  249.652779][ T5660] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  249.995696][ T5662] loop1: detected capacity change from 0 to 32768
[  250.051952][ T5662] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  250.060331][ T5662] CPU: 0 PID: 5662 Comm: syz.1.213 Not tainted syzkaller #0
[  250.067628][ T5662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  250.077685][ T5662] Call Trace:
[  250.080970][ T5662]  <TASK>
[  250.083911][ T5662]  dump_stack_lvl+0x168/0x230
[  250.088601][ T5662]  ? show_regs_print_info+0x20/0x20
[  250.093807][ T5662]  ? load_image+0x3b0/0x3b0
[  250.098332][ T5662]  sysfs_create_dir_ns+0x252/0x280
[  250.103449][ T5662]  ? __lock_acquire+0x7c60/0x7c60
[  250.108488][ T5662]  ? sysfs_warn_dup+0xa0/0xa0
[  250.113178][ T5662]  ? do_raw_spin_unlock+0x11d/0x230
[  250.118388][ T5662]  kobject_add_internal+0x662/0xd00
[  250.123601][ T5662]  kobject_init_and_add+0x122/0x190
[  250.129239][ T5662]  ? lockdep_softirqs_off+0x420/0x420
[  250.134620][ T5662]  ? kobject_add+0x210/0x210
[  250.139218][ T5662]  ? __init_swait_queue_head+0xa5/0x150
[  250.144769][ T5662]  gfs2_sys_fs_add+0x234/0x480
[  250.149517][ T5662]  ? gfs2_recover_set+0x240/0x240
[  250.154523][ T5662]  ? snprintf+0xd7/0x120
[  250.158748][ T5662]  ? __free_pages+0x95/0x1a0
[  250.163323][ T5662]  ? vscnprintf+0x80/0x80
[  250.167640][ T5662]  gfs2_fill_super+0x128d/0x1f50
[  250.172899][ T5662]  ? gfs2_reconfigure+0xcd0/0xcd0
[  250.178351][ T5662]  ? preempt_count_add+0x8d/0x190
[  250.183387][ T5662]  ? sb_set_blocksize+0xa5/0xe0
[  250.188221][ T5662]  get_tree_bdev+0x3f1/0x610
[  250.192792][ T5662]  ? gfs2_reconfigure+0xcd0/0xcd0
[  250.197799][ T5662]  gfs2_get_tree+0x4d/0x1e0
[  250.202280][ T5662]  vfs_get_tree+0x88/0x270
[  250.206674][ T5662]  do_new_mount+0x24a/0xa40
[  250.211187][ T5662]  __se_sys_mount+0x2d6/0x3c0
[  250.215863][ T5662]  ? __x64_sys_mount+0xc0/0xc0
[  250.220694][ T5662]  ? lockdep_hardirqs_on+0x94/0x140
[  250.225934][ T5662]  ? __x64_sys_mount+0x1c/0xc0
[  250.230690][ T5662]  do_syscall_64+0x4c/0xa0
[  250.235094][ T5662]  ? clear_bhb_loop+0x30/0x80
[  250.239754][ T5662]  ? clear_bhb_loop+0x30/0x80
[  250.244563][ T5662]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.250438][ T5662] RIP: 0033:0x7f775aa3b10a
[  250.254832][ T5662] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.274533][ T5662] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.282935][ T5662] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  250.290889][ T5662] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  250.298939][ T5662] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  250.306896][ T5662] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  250.314855][ T5662] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  250.322820][ T5662]  </TASK>
[  250.327557][ T5662] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  250.341776][ T5662] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  250.688126][ T5664] loop1: detected capacity change from 0 to 32768
[  250.751859][ T5664] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  250.759971][ T5664] CPU: 1 PID: 5664 Comm: syz.1.214 Not tainted syzkaller #0
[  250.767441][ T5664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  250.777689][ T5664] Call Trace:
[  250.781064][ T5664]  <TASK>
[  250.784004][ T5664]  dump_stack_lvl+0x168/0x230
[  250.788698][ T5664]  ? show_regs_print_info+0x20/0x20
[  250.793911][ T5664]  ? load_image+0x3b0/0x3b0
[  250.798433][ T5664]  sysfs_create_dir_ns+0x252/0x280
[  250.803552][ T5664]  ? __lock_acquire+0x7c60/0x7c60
[  250.808584][ T5664]  ? sysfs_warn_dup+0xa0/0xa0
[  250.813270][ T5664]  ? do_raw_spin_unlock+0x11d/0x230
[  250.818475][ T5664]  kobject_add_internal+0x662/0xd00
[  250.823685][ T5664]  kobject_init_and_add+0x122/0x190
[  250.828908][ T5664]  ? lockdep_softirqs_off+0x420/0x420
[  250.834266][ T5664]  ? kobject_add+0x210/0x210
[  250.838836][ T5664]  ? __init_swait_queue_head+0xa5/0x150
[  250.844361][ T5664]  gfs2_sys_fs_add+0x234/0x480
[  250.849106][ T5664]  ? gfs2_recover_set+0x240/0x240
[  250.854104][ T5664]  ? snprintf+0xd7/0x120
[  250.858338][ T5664]  ? __free_pages+0x95/0x1a0
[  250.862909][ T5664]  ? vscnprintf+0x80/0x80
[  250.867220][ T5664]  gfs2_fill_super+0x128d/0x1f50
[  250.872151][ T5664]  ? gfs2_reconfigure+0xcd0/0xcd0
[  250.877471][ T5664]  ? preempt_count_add+0x8d/0x190
[  250.882485][ T5664]  ? sb_set_blocksize+0xa5/0xe0
[  250.887314][ T5664]  get_tree_bdev+0x3f1/0x610
[  250.891881][ T5664]  ? gfs2_reconfigure+0xcd0/0xcd0
[  250.896881][ T5664]  gfs2_get_tree+0x4d/0x1e0
[  250.901367][ T5664]  vfs_get_tree+0x88/0x270
[  250.905774][ T5664]  do_new_mount+0x24a/0xa40
[  250.910255][ T5664]  __se_sys_mount+0x2d6/0x3c0
[  250.914911][ T5664]  ? __x64_sys_mount+0xc0/0xc0
[  250.919658][ T5664]  ? lockdep_hardirqs_on+0x94/0x140
[  250.924842][ T5664]  ? __x64_sys_mount+0x1c/0xc0
[  250.929734][ T5664]  do_syscall_64+0x4c/0xa0
[  250.934142][ T5664]  ? clear_bhb_loop+0x30/0x80
[  250.938798][ T5664]  ? clear_bhb_loop+0x30/0x80
[  250.943457][ T5664]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  250.949352][ T5664] RIP: 0033:0x7f775aa3b10a
[  250.953749][ T5664] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  250.973341][ T5664] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  250.981744][ T5664] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  250.989729][ T5664] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  250.997684][ T5664] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  251.005639][ T5664] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  251.013592][ T5664] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  251.021561][ T5664]  </TASK>
[  251.026099][ T5664] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  251.040134][ T5664] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  251.363897][ T5666] loop1: detected capacity change from 0 to 32768
[  251.409340][ T5666] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  251.417566][ T5666] CPU: 0 PID: 5666 Comm: syz.1.215 Not tainted syzkaller #0
[  251.424861][ T5666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  251.435051][ T5666] Call Trace:
[  251.438336][ T5666]  <TASK>
[  251.441266][ T5666]  dump_stack_lvl+0x168/0x230
[  251.445951][ T5666]  ? show_regs_print_info+0x20/0x20
[  251.451159][ T5666]  ? load_image+0x3b0/0x3b0
[  251.455695][ T5666]  sysfs_create_dir_ns+0x252/0x280
[  251.460822][ T5666]  ? __lock_acquire+0x7c60/0x7c60
[  251.465943][ T5666]  ? sysfs_warn_dup+0xa0/0xa0
[  251.470635][ T5666]  ? do_raw_spin_unlock+0x11d/0x230
[  251.475883][ T5666]  kobject_add_internal+0x662/0xd00
[  251.481098][ T5666]  kobject_init_and_add+0x122/0x190
[  251.486300][ T5666]  ? lockdep_softirqs_off+0x420/0x420
[  251.491672][ T5666]  ? kobject_add+0x210/0x210
[  251.496248][ T5666]  ? __init_swait_queue_head+0xa5/0x150
[  251.501996][ T5666]  gfs2_sys_fs_add+0x234/0x480
[  251.506743][ T5666]  ? gfs2_recover_set+0x240/0x240
[  251.511748][ T5666]  ? snprintf+0xd7/0x120
[  251.515971][ T5666]  ? __free_pages+0x95/0x1a0
[  251.520538][ T5666]  ? vscnprintf+0x80/0x80
[  251.524853][ T5666]  gfs2_fill_super+0x128d/0x1f50
[  251.529782][ T5666]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.534788][ T5666]  ? preempt_count_add+0x8d/0x190
[  251.539794][ T5666]  ? sb_set_blocksize+0xa5/0xe0
[  251.544621][ T5666]  get_tree_bdev+0x3f1/0x610
[  251.549194][ T5666]  ? gfs2_reconfigure+0xcd0/0xcd0
[  251.554201][ T5666]  gfs2_get_tree+0x4d/0x1e0
[  251.558684][ T5666]  vfs_get_tree+0x88/0x270
[  251.563107][ T5666]  do_new_mount+0x24a/0xa40
[  251.567593][ T5666]  __se_sys_mount+0x2d6/0x3c0
[  251.572255][ T5666]  ? __x64_sys_mount+0xc0/0xc0
[  251.577026][ T5666]  ? lockdep_hardirqs_on+0x94/0x140
[  251.582202][ T5666]  ? __x64_sys_mount+0x1c/0xc0
[  251.586944][ T5666]  do_syscall_64+0x4c/0xa0
[  251.591337][ T5666]  ? clear_bhb_loop+0x30/0x80
[  251.595992][ T5666]  ? clear_bhb_loop+0x30/0x80
[  251.600648][ T5666]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  251.606527][ T5666] RIP: 0033:0x7f775aa3b10a
[  251.611105][ T5666] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  251.630697][ T5666] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  251.639094][ T5666] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  251.647052][ T5666] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  251.655007][ T5666] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  251.662958][ T5666] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  251.670912][ T5666] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  251.678886][ T5666]  </TASK>
[  251.683888][ T5666] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  251.697905][ T5666] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  252.019171][ T5668] loop1: detected capacity change from 0 to 32768
[  252.088919][ T5668] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  252.097086][ T5668] CPU: 1 PID: 5668 Comm: syz.1.216 Not tainted syzkaller #0
[  252.104384][ T5668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  252.114537][ T5668] Call Trace:
[  252.117841][ T5668]  <TASK>
[  252.120872][ T5668]  dump_stack_lvl+0x168/0x230
[  252.125562][ T5668]  ? show_regs_print_info+0x20/0x20
[  252.130857][ T5668]  ? load_image+0x3b0/0x3b0
[  252.135376][ T5668]  sysfs_create_dir_ns+0x252/0x280
[  252.140501][ T5668]  ? __lock_acquire+0x7c60/0x7c60
[  252.145533][ T5668]  ? sysfs_warn_dup+0xa0/0xa0
[  252.150222][ T5668]  ? do_raw_spin_unlock+0x11d/0x230
[  252.155436][ T5668]  kobject_add_internal+0x662/0xd00
[  252.160653][ T5668]  kobject_init_and_add+0x122/0x190
[  252.165851][ T5668]  ? lockdep_softirqs_off+0x420/0x420
[  252.171218][ T5668]  ? kobject_add+0x210/0x210
[  252.175792][ T5668]  ? __init_swait_queue_head+0xa5/0x150
[  252.181320][ T5668]  gfs2_sys_fs_add+0x234/0x480
[  252.186067][ T5668]  ? gfs2_recover_set+0x240/0x240
[  252.191143][ T5668]  ? snprintf+0xd7/0x120
[  252.195364][ T5668]  ? __free_pages+0x95/0x1a0
[  252.199950][ T5668]  ? vscnprintf+0x80/0x80
[  252.204284][ T5668]  gfs2_fill_super+0x128d/0x1f50
[  252.209214][ T5668]  ? gfs2_reconfigure+0xcd0/0xcd0
[  252.214226][ T5668]  ? preempt_count_add+0x8d/0x190
[  252.219235][ T5668]  ? sb_set_blocksize+0xa5/0xe0
[  252.224063][ T5668]  get_tree_bdev+0x3f1/0x610
[  252.228647][ T5668]  ? gfs2_reconfigure+0xcd0/0xcd0
[  252.233649][ T5668]  gfs2_get_tree+0x4d/0x1e0
[  252.238393][ T5668]  vfs_get_tree+0x88/0x270
[  252.242790][ T5668]  do_new_mount+0x24a/0xa40
[  252.247272][ T5668]  __se_sys_mount+0x2d6/0x3c0
[  252.251932][ T5668]  ? __x64_sys_mount+0xc0/0xc0
[  252.256691][ T5668]  ? lockdep_hardirqs_on+0x94/0x140
[  252.261865][ T5668]  ? __x64_sys_mount+0x1c/0xc0
[  252.266620][ T5668]  do_syscall_64+0x4c/0xa0
[  252.271016][ T5668]  ? clear_bhb_loop+0x30/0x80
[  252.275670][ T5668]  ? clear_bhb_loop+0x30/0x80
[  252.280324][ T5668]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.286200][ T5668] RIP: 0033:0x7f775aa3b10a
[  252.290600][ T5668] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.310190][ T5668] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.318615][ T5668] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  252.326679][ T5668] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  252.334691][ T5668] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  252.342670][ T5668] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  252.350626][ T5668] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  252.358726][ T5668]  </TASK>
[  252.362479][ T5668] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  252.376336][ T5668] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  252.688273][ T5670] loop1: detected capacity change from 0 to 32768
[  252.741507][ T5670] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  252.749612][ T5670] CPU: 0 PID: 5670 Comm: syz.1.217 Not tainted syzkaller #0
[  252.756987][ T5670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  252.767049][ T5670] Call Trace:
[  252.770336][ T5670]  <TASK>
[  252.773271][ T5670]  dump_stack_lvl+0x168/0x230
[  252.777965][ T5670]  ? show_regs_print_info+0x20/0x20
[  252.783166][ T5670]  ? load_image+0x3b0/0x3b0
[  252.787682][ T5670]  sysfs_create_dir_ns+0x252/0x280
[  252.792798][ T5670]  ? __lock_acquire+0x7c60/0x7c60
[  252.797829][ T5670]  ? sysfs_warn_dup+0xa0/0xa0
[  252.802517][ T5670]  ? do_raw_spin_unlock+0x11d/0x230
[  252.807810][ T5670]  kobject_add_internal+0x662/0xd00
[  252.813019][ T5670]  kobject_init_and_add+0x122/0x190
[  252.818218][ T5670]  ? lockdep_softirqs_off+0x420/0x420
[  252.823676][ T5670]  ? kobject_add+0x210/0x210
[  252.828375][ T5670]  ? __init_swait_queue_head+0xa5/0x150
[  252.833915][ T5670]  gfs2_sys_fs_add+0x234/0x480
[  252.838667][ T5670]  ? gfs2_recover_set+0x240/0x240
[  252.843667][ T5670]  ? snprintf+0xd7/0x120
[  252.847979][ T5670]  ? __free_pages+0x95/0x1a0
[  252.852653][ T5670]  ? vscnprintf+0x80/0x80
[  252.856997][ T5670]  gfs2_fill_super+0x128d/0x1f50
[  252.861924][ T5670]  ? gfs2_reconfigure+0xcd0/0xcd0
[  252.866929][ T5670]  ? preempt_count_add+0x8d/0x190
[  252.871951][ T5670]  ? sb_set_blocksize+0xa5/0xe0
[  252.877086][ T5670]  get_tree_bdev+0x3f1/0x610
[  252.881686][ T5670]  ? gfs2_reconfigure+0xcd0/0xcd0
[  252.886691][ T5670]  gfs2_get_tree+0x4d/0x1e0
[  252.891272][ T5670]  vfs_get_tree+0x88/0x270
[  252.895726][ T5670]  do_new_mount+0x24a/0xa40
[  252.900212][ T5670]  __se_sys_mount+0x2d6/0x3c0
[  252.904868][ T5670]  ? __x64_sys_mount+0xc0/0xc0
[  252.909611][ T5670]  ? lockdep_hardirqs_on+0x94/0x140
[  252.914786][ T5670]  ? __x64_sys_mount+0x1c/0xc0
[  252.919622][ T5670]  do_syscall_64+0x4c/0xa0
[  252.924022][ T5670]  ? clear_bhb_loop+0x30/0x80
[  252.928692][ T5670]  ? clear_bhb_loop+0x30/0x80
[  252.933523][ T5670]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  252.939401][ T5670] RIP: 0033:0x7f775aa3b10a
[  252.943797][ T5670] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  252.964107][ T5670] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.972514][ T5670] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  252.980629][ T5670] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  252.988695][ T5670] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  252.996652][ T5670] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  253.004612][ T5670] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  253.012591][ T5670]  </TASK>
[  253.017641][ T5670] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  253.033302][ T5670] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
2025/09/13 10:04:10 executed programs: 204
[  253.372111][ T5672] loop1: detected capacity change from 0 to 32768
[  253.443775][ T5672] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  253.453054][ T5672] CPU: 0 PID: 5672 Comm: syz.1.218 Not tainted syzkaller #0
[  253.460358][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  253.470416][ T5672] Call Trace:
[  253.473796][ T5672]  <TASK>
[  253.476819][ T5672]  dump_stack_lvl+0x168/0x230
[  253.481515][ T5672]  ? show_regs_print_info+0x20/0x20
[  253.486724][ T5672]  ? load_image+0x3b0/0x3b0
[  253.491331][ T5672]  sysfs_create_dir_ns+0x252/0x280
[  253.496457][ T5672]  ? __lock_acquire+0x7c60/0x7c60
[  253.501504][ T5672]  ? sysfs_warn_dup+0xa0/0xa0
[  253.506192][ T5672]  ? do_raw_spin_unlock+0x11d/0x230
[  253.511396][ T5672]  kobject_add_internal+0x662/0xd00
[  253.516667][ T5672]  kobject_init_and_add+0x122/0x190
[  253.521860][ T5672]  ? lockdep_softirqs_off+0x420/0x420
[  253.527217][ T5672]  ? kobject_add+0x210/0x210
[  253.531794][ T5672]  ? __init_swait_queue_head+0xa5/0x150
[  253.537338][ T5672]  gfs2_sys_fs_add+0x234/0x480
[  253.542106][ T5672]  ? gfs2_recover_set+0x240/0x240
[  253.547132][ T5672]  ? snprintf+0xd7/0x120
[  253.551359][ T5672]  ? __free_pages+0x95/0x1a0
[  253.556206][ T5672]  ? vscnprintf+0x80/0x80
[  253.560533][ T5672]  gfs2_fill_super+0x128d/0x1f50
[  253.565464][ T5672]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.570474][ T5672]  ? preempt_count_add+0x8d/0x190
[  253.575906][ T5672]  ? sb_set_blocksize+0xa5/0xe0
[  253.580744][ T5672]  get_tree_bdev+0x3f1/0x610
[  253.585312][ T5672]  ? gfs2_reconfigure+0xcd0/0xcd0
[  253.590473][ T5672]  gfs2_get_tree+0x4d/0x1e0
[  253.594971][ T5672]  vfs_get_tree+0x88/0x270
[  253.599531][ T5672]  do_new_mount+0x24a/0xa40
[  253.604034][ T5672]  __se_sys_mount+0x2d6/0x3c0
[  253.608742][ T5672]  ? __x64_sys_mount+0xc0/0xc0
[  253.613489][ T5672]  ? lockdep_hardirqs_on+0x94/0x140
[  253.618768][ T5672]  ? __x64_sys_mount+0x1c/0xc0
[  253.623517][ T5672]  do_syscall_64+0x4c/0xa0
[  253.628171][ T5672]  ? clear_bhb_loop+0x30/0x80
[  253.632823][ T5672]  ? clear_bhb_loop+0x30/0x80
[  253.637479][ T5672]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  253.643457][ T5672] RIP: 0033:0x7f775aa3b10a
[  253.647862][ T5672] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  253.667709][ T5672] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.676106][ T5672] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  253.684069][ T5672] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  253.692026][ T5672] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  253.699986][ T5672] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  253.707934][ T5672] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  253.715895][ T5672]  </TASK>
[  253.721138][ T5672] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  253.734991][ T5672] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  254.051279][ T5674] loop1: detected capacity change from 0 to 32768
[  254.108998][ T5674] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  254.117164][ T5674] CPU: 1 PID: 5674 Comm: syz.1.219 Not tainted syzkaller #0
[  254.124816][ T5674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  254.134883][ T5674] Call Trace:
[  254.138204][ T5674]  <TASK>
[  254.141131][ T5674]  dump_stack_lvl+0x168/0x230
[  254.146000][ T5674]  ? show_regs_print_info+0x20/0x20
[  254.151341][ T5674]  ? load_image+0x3b0/0x3b0
[  254.155876][ T5674]  sysfs_create_dir_ns+0x252/0x280
[  254.161126][ T5674]  ? __lock_acquire+0x7c60/0x7c60
[  254.166254][ T5674]  ? sysfs_warn_dup+0xa0/0xa0
[  254.170942][ T5674]  ? do_raw_spin_unlock+0x11d/0x230
[  254.176678][ T5674]  kobject_add_internal+0x662/0xd00
[  254.182066][ T5674]  kobject_init_and_add+0x122/0x190
[  254.187367][ T5674]  ? lockdep_softirqs_off+0x420/0x420
[  254.192950][ T5674]  ? kobject_add+0x210/0x210
[  254.197544][ T5674]  ? __init_swait_queue_head+0xa5/0x150
[  254.203174][ T5674]  gfs2_sys_fs_add+0x234/0x480
[  254.208052][ T5674]  ? gfs2_recover_set+0x240/0x240
[  254.213084][ T5674]  ? snprintf+0xd7/0x120
[  254.217817][ T5674]  ? __free_pages+0x95/0x1a0
[  254.222589][ T5674]  ? vscnprintf+0x80/0x80
[  254.227143][ T5674]  gfs2_fill_super+0x128d/0x1f50
[  254.232089][ T5674]  ? gfs2_reconfigure+0xcd0/0xcd0
[  254.237213][ T5674]  ? preempt_count_add+0x8d/0x190
[  254.242235][ T5674]  ? sb_set_blocksize+0xa5/0xe0
[  254.247083][ T5674]  get_tree_bdev+0x3f1/0x610
[  254.251689][ T5674]  ? gfs2_reconfigure+0xcd0/0xcd0
[  254.256707][ T5674]  gfs2_get_tree+0x4d/0x1e0
[  254.261210][ T5674]  vfs_get_tree+0x88/0x270
[  254.265731][ T5674]  do_new_mount+0x24a/0xa40
[  254.270227][ T5674]  __se_sys_mount+0x2d6/0x3c0
[  254.274893][ T5674]  ? __x64_sys_mount+0xc0/0xc0
[  254.279656][ T5674]  ? lockdep_hardirqs_on+0x94/0x140
[  254.284917][ T5674]  ? __x64_sys_mount+0x1c/0xc0
[  254.289947][ T5674]  do_syscall_64+0x4c/0xa0
[  254.294363][ T5674]  ? clear_bhb_loop+0x30/0x80
[  254.299025][ T5674]  ? clear_bhb_loop+0x30/0x80
[  254.303694][ T5674]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  254.309571][ T5674] RIP: 0033:0x7f775aa3b10a
[  254.313983][ T5674] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  254.333790][ T5674] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.342198][ T5674] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  254.350184][ T5674] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  254.358429][ T5674] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  254.366391][ T5674] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  254.374733][ T5674] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  254.382697][ T5674]  </TASK>
[  254.386724][ T5674] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  254.400765][ T5674] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  254.760389][ T5676] loop1: detected capacity change from 0 to 32768
[  254.813772][ T5676] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  254.823181][ T5676] CPU: 0 PID: 5676 Comm: syz.1.220 Not tainted syzkaller #0
[  254.830571][ T5676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  254.840629][ T5676] Call Trace:
[  254.843915][ T5676]  <TASK>
[  254.846898][ T5676]  dump_stack_lvl+0x168/0x230
[  254.851592][ T5676]  ? show_regs_print_info+0x20/0x20
[  254.857247][ T5676]  ? load_image+0x3b0/0x3b0
[  254.861858][ T5676]  sysfs_create_dir_ns+0x252/0x280
[  254.866979][ T5676]  ? __lock_acquire+0x7c60/0x7c60
[  254.872013][ T5676]  ? sysfs_warn_dup+0xa0/0xa0
[  254.876703][ T5676]  ? do_raw_spin_unlock+0x11d/0x230
[  254.881888][ T5676]  kobject_add_internal+0x662/0xd00
[  254.887069][ T5676]  kobject_init_and_add+0x122/0x190
[  254.892248][ T5676]  ? lockdep_softirqs_off+0x420/0x420
[  254.897616][ T5676]  ? kobject_add+0x210/0x210
[  254.902204][ T5676]  ? __init_swait_queue_head+0xa5/0x150
[  254.907815][ T5676]  gfs2_sys_fs_add+0x234/0x480
[  254.912564][ T5676]  ? gfs2_recover_set+0x240/0x240
[  254.917581][ T5676]  ? snprintf+0xd7/0x120
[  254.921805][ T5676]  ? __free_pages+0x95/0x1a0
[  254.926389][ T5676]  ? vscnprintf+0x80/0x80
[  254.930716][ T5676]  gfs2_fill_super+0x128d/0x1f50
[  254.935658][ T5676]  ? gfs2_reconfigure+0xcd0/0xcd0
[  254.940667][ T5676]  ? preempt_count_add+0x8d/0x190
[  254.945676][ T5676]  ? sb_set_blocksize+0xa5/0xe0
[  254.950509][ T5676]  get_tree_bdev+0x3f1/0x610
[  254.955118][ T5676]  ? gfs2_reconfigure+0xcd0/0xcd0
[  254.960126][ T5676]  gfs2_get_tree+0x4d/0x1e0
[  254.964904][ T5676]  vfs_get_tree+0x88/0x270
[  254.969334][ T5676]  do_new_mount+0x24a/0xa40
[  254.973847][ T5676]  __se_sys_mount+0x2d6/0x3c0
[  254.978696][ T5676]  ? __x64_sys_mount+0xc0/0xc0
[  254.983617][ T5676]  ? lockdep_hardirqs_on+0x94/0x140
[  254.988810][ T5676]  ? __x64_sys_mount+0x1c/0xc0
[  254.993706][ T5676]  do_syscall_64+0x4c/0xa0
[  254.998115][ T5676]  ? clear_bhb_loop+0x30/0x80
[  255.002954][ T5676]  ? clear_bhb_loop+0x30/0x80
[  255.007619][ T5676]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.013518][ T5676] RIP: 0033:0x7f775aa3b10a
[  255.017932][ T5676] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.038044][ T5676] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.046466][ T5676] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  255.054685][ T5676] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  255.062733][ T5676] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  255.071235][ T5676] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  255.079297][ T5676] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  255.087265][ T5676]  </TASK>
[  255.092361][ T5676] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  255.110010][ T5676] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  255.418200][ T5678] loop1: detected capacity change from 0 to 32768
[  255.502294][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[  255.508610][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[  255.540077][ T5678] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  255.561248][ T5678] CPU: 0 PID: 5678 Comm: syz.1.221 Not tainted syzkaller #0
[  255.568659][ T5678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  255.578796][ T5678] Call Trace:
[  255.582159][ T5678]  <TASK>
[  255.585087][ T5678]  dump_stack_lvl+0x168/0x230
[  255.589792][ T5678]  ? show_regs_print_info+0x20/0x20
[  255.594995][ T5678]  ? load_image+0x3b0/0x3b0
[  255.599840][ T5678]  sysfs_create_dir_ns+0x252/0x280
[  255.604950][ T5678]  ? __lock_acquire+0x7c60/0x7c60
[  255.609985][ T5678]  ? sysfs_warn_dup+0xa0/0xa0
[  255.614662][ T5678]  ? do_raw_spin_unlock+0x11d/0x230
[  255.619860][ T5678]  kobject_add_internal+0x662/0xd00
[  255.625166][ T5678]  kobject_init_and_add+0x122/0x190
[  255.630367][ T5678]  ? lockdep_softirqs_off+0x420/0x420
[  255.635836][ T5678]  ? kobject_add+0x210/0x210
[  255.640429][ T5678]  ? __init_swait_queue_head+0xa5/0x150
[  255.646160][ T5678]  gfs2_sys_fs_add+0x234/0x480
[  255.650948][ T5678]  ? gfs2_recover_set+0x240/0x240
[  255.656006][ T5678]  ? snprintf+0xd7/0x120
[  255.660253][ T5678]  ? __free_pages+0x95/0x1a0
[  255.664930][ T5678]  ? vscnprintf+0x80/0x80
[  255.669272][ T5678]  gfs2_fill_super+0x128d/0x1f50
[  255.674223][ T5678]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.679277][ T5678]  ? preempt_count_add+0x8d/0x190
[  255.684312][ T5678]  ? sb_set_blocksize+0xa5/0xe0
[  255.689170][ T5678]  get_tree_bdev+0x3f1/0x610
[  255.693764][ T5678]  ? gfs2_reconfigure+0xcd0/0xcd0
[  255.698789][ T5678]  gfs2_get_tree+0x4d/0x1e0
[  255.703290][ T5678]  vfs_get_tree+0x88/0x270
[  255.707704][ T5678]  do_new_mount+0x24a/0xa40
[  255.712210][ T5678]  __se_sys_mount+0x2d6/0x3c0
[  255.716889][ T5678]  ? __x64_sys_mount+0xc0/0xc0
[  255.721647][ T5678]  ? lockdep_hardirqs_on+0x94/0x140
[  255.726835][ T5678]  ? __x64_sys_mount+0x1c/0xc0
[  255.731684][ T5678]  do_syscall_64+0x4c/0xa0
[  255.736095][ T5678]  ? clear_bhb_loop+0x30/0x80
[  255.740796][ T5678]  ? clear_bhb_loop+0x30/0x80
[  255.745475][ T5678]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  255.751592][ T5678] RIP: 0033:0x7f775aa3b10a
[  255.756018][ T5678] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  255.775639][ T5678] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.784180][ T5678] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  255.792161][ T5678] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  255.800263][ T5678] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  255.808248][ T5678] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  255.816320][ T5678] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  255.824752][ T5678]  </TASK>
[  255.834975][ T5678] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  255.849071][ T5678] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  256.213324][ T5680] loop1: detected capacity change from 0 to 32768
[  256.271658][ T5680] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  256.279977][ T5680] CPU: 1 PID: 5680 Comm: syz.1.222 Not tainted syzkaller #0
[  256.287274][ T5680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  256.297512][ T5680] Call Trace:
[  256.300794][ T5680]  <TASK>
[  256.303813][ T5680]  dump_stack_lvl+0x168/0x230
[  256.308504][ T5680]  ? show_regs_print_info+0x20/0x20
[  256.313711][ T5680]  ? load_image+0x3b0/0x3b0
[  256.318245][ T5680]  sysfs_create_dir_ns+0x252/0x280
[  256.323370][ T5680]  ? __lock_acquire+0x7c60/0x7c60
[  256.328419][ T5680]  ? sysfs_warn_dup+0xa0/0xa0
[  256.333163][ T5680]  ? do_raw_spin_unlock+0x11d/0x230
[  256.338376][ T5680]  kobject_add_internal+0x662/0xd00
[  256.343589][ T5680]  kobject_init_and_add+0x122/0x190
[  256.348795][ T5680]  ? lockdep_softirqs_off+0x420/0x420
[  256.354295][ T5680]  ? kobject_add+0x210/0x210
[  256.358906][ T5680]  ? __init_swait_queue_head+0xa5/0x150
[  256.364433][ T5680]  gfs2_sys_fs_add+0x234/0x480
[  256.369180][ T5680]  ? gfs2_recover_set+0x240/0x240
[  256.374189][ T5680]  ? snprintf+0xd7/0x120
[  256.378416][ T5680]  ? __free_pages+0x95/0x1a0
[  256.382992][ T5680]  ? vscnprintf+0x80/0x80
[  256.387307][ T5680]  gfs2_fill_super+0x128d/0x1f50
[  256.392252][ T5680]  ? gfs2_reconfigure+0xcd0/0xcd0
[  256.397278][ T5680]  ? preempt_count_add+0x8d/0x190
[  256.402288][ T5680]  ? sb_set_blocksize+0xa5/0xe0
[  256.407211][ T5680]  get_tree_bdev+0x3f1/0x610
[  256.411795][ T5680]  ? gfs2_reconfigure+0xcd0/0xcd0
[  256.416821][ T5680]  gfs2_get_tree+0x4d/0x1e0
[  256.421305][ T5680]  vfs_get_tree+0x88/0x270
[  256.425699][ T5680]  do_new_mount+0x24a/0xa40
[  256.430201][ T5680]  __se_sys_mount+0x2d6/0x3c0
[  256.434876][ T5680]  ? __x64_sys_mount+0xc0/0xc0
[  256.439626][ T5680]  ? lockdep_hardirqs_on+0x94/0x140
[  256.444797][ T5680]  ? __x64_sys_mount+0x1c/0xc0
[  256.449542][ T5680]  do_syscall_64+0x4c/0xa0
[  256.453990][ T5680]  ? clear_bhb_loop+0x30/0x80
[  256.458674][ T5680]  ? clear_bhb_loop+0x30/0x80
[  256.463327][ T5680]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  256.469233][ T5680] RIP: 0033:0x7f775aa3b10a
[  256.473628][ T5680] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  256.493572][ T5680] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.501989][ T5680] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  256.509991][ T5680] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  256.517988][ T5680] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  256.525945][ T5680] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  256.533909][ T5680] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  256.541893][ T5680]  </TASK>
[  256.545611][ T5680] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  256.559757][ T5680] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  256.791119][   T27] INFO: task syz-executor:4967 blocked for more than 143 seconds.
[  256.799543][   T27]       Not tainted syzkaller #0
[  256.806917][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  256.816566][   T27] task:syz-executor    state:D stack:21984 pid: 4967 ppid:     1 flags:0x00004004
[  256.829429][   T27] Call Trace:
[  256.833361][   T27]  <TASK>
[  256.836312][   T27]  __schedule+0x11bb/0x4390
[  256.843338][   T27]  ? _raw_spin_lock_irqsave+0x7f/0xf0
[  256.848742][   T27]  ? _raw_spin_unlock_irqrestore+0x82/0x100
[  256.855162][   T27]  ? _raw_spin_unlock_irqrestore+0xaa/0x100
[  256.863484][   T27]  ? _raw_spin_unlock+0x40/0x40
[  256.868476][   T27]  ? rcu_is_watching+0x11/0xa0
[  256.873770][   T27]  ? release_firmware_map_entry+0x190/0x190
[  256.879830][   T27]  schedule+0x11b/0x1e0
[  256.884437][   T27]  schedule_timeout+0x15c/0x280
[  256.889304][   T27]  ? console_conditional_schedule+0x40/0x40
[  256.895666][   T27]  ? update_process_times+0x200/0x200
[  256.901300][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  256.906872][   T27]  gfs2_gl_hash_clear+0x1a4/0x2f0
[  256.912302][   T27]  ? thaw_glock+0x150/0x150
[  256.917392][   T27]  ? gfs2_jindex_free+0x39b/0x400
[  256.922763][   T27]  ? init_wait_entry+0xd0/0xd0
[  256.927627][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  256.933721][   T27]  gfs2_put_super+0x769/0x7d0
[  256.938500][   T27]  ? gfs2_evict_inode+0x11f0/0x11f0
[  256.944062][   T27]  generic_shutdown_super+0x130/0x300
[  256.949543][   T27]  kill_block_super+0x7c/0xe0
[  256.954576][   T27]  deactivate_locked_super+0x93/0xf0
[  256.957488][ T5682] loop1: detected capacity change from 0 to 32768
[  256.959963][   T27]  cleanup_mnt+0x418/0x4d0
[  256.974343][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  256.979669][   T27]  task_work_run+0x125/0x1a0
[  256.984680][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  256.990058][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  256.995314][ T5682] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  256.996268][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  257.005971][ T5682] CPU: 1 PID: 5682 Comm: syz.1.223 Not tainted syzkaller #0
[  257.016583][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  257.023049][   T27]  do_syscall_64+0x58/0xa0
[  257.026809][ T5682] Call Trace:
[  257.026818][ T5682]  <TASK>
[  257.037424][ T5682]  dump_stack_lvl+0x168/0x230
[  257.042346][ T5682]  ? show_regs_print_info+0x20/0x20
[  257.047563][ T5682]  ? load_image+0x3b0/0x3b0
[  257.051004][   T27]  ? clear_bhb_loop+0x30/0x80
[  257.052082][ T5682]  sysfs_create_dir_ns+0x252/0x280
[  257.056834][   T27]  ? clear_bhb_loop+0x30/0x80
[  257.062008][ T5682]  ? __lock_acquire+0x7c60/0x7c60
[  257.062028][ T5682]  ? sysfs_warn_dup+0xa0/0xa0
[  257.062050][ T5682]  ? do_raw_spin_unlock+0x11d/0x230
[  257.062069][ T5682]  kobject_add_internal+0x662/0xd00
[  257.071025][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.071726][ T5682]  kobject_init_and_add+0x122/0x190
[  257.076375][   T27] RIP: 0033:0x7f05f0372c97
[  257.081552][ T5682]  ? lockdep_softirqs_off+0x420/0x420
[  257.081575][ T5682]  ? kobject_add+0x210/0x210
[  257.081594][ T5682]  ? __init_swait_queue_head+0xa5/0x150
[  257.081614][ T5682]  gfs2_sys_fs_add+0x234/0x480
[  257.081632][ T5682]  ? gfs2_recover_set+0x240/0x240
[  257.081648][ T5682]  ? snprintf+0xd7/0x120
[  257.081664][ T5682]  ? __free_pages+0x95/0x1a0
[  257.081683][ T5682]  ? vscnprintf+0x80/0x80
[  257.092663][   T27] RSP: 002b:00007ffe49de0548 EFLAGS: 00000246
[  257.092837][ T5682]  gfs2_fill_super+0x128d/0x1f50
[  257.098141][   T27]  ORIG_RAX: 00000000000000a6
[  257.102442][ T5682]  ? gfs2_reconfigure+0xcd0/0xcd0
[  257.102467][ T5682]  ? preempt_count_add+0x8d/0x190
[  257.102492][ T5682]  ? sb_set_blocksize+0xa5/0xe0
[  257.102512][ T5682]  get_tree_bdev+0x3f1/0x610
[  257.108740][   T27] RAX: 0000000000000000 RBX: 00007f05f03f389d RCX: 00007f05f0372c97
[  257.112437][ T5682]  ? gfs2_reconfigure+0xcd0/0xcd0
[  257.112465][ T5682]  gfs2_get_tree+0x4d/0x1e0
[  257.112483][ T5682]  vfs_get_tree+0x88/0x270
[  257.112503][ T5682]  do_new_mount+0x24a/0xa40
[  257.112527][ T5682]  __se_sys_mount+0x2d6/0x3c0
[  257.118823][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe49de0600
[  257.122786][ T5682]  ? __x64_sys_mount+0xc0/0xc0
[  257.122812][ T5682]  ? lockdep_hardirqs_on+0x94/0x140
[  257.122833][ T5682]  ? __x64_sys_mount+0x1c/0xc0
[  257.122855][ T5682]  do_syscall_64+0x4c/0xa0
[  257.122868][ T5682]  ? clear_bhb_loop+0x30/0x80
[  257.122884][ T5682]  ? clear_bhb_loop+0x30/0x80
[  257.122900][ T5682]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  257.122917][ T5682] RIP: 0033:0x7f775aa3b10a
[  257.122937][ T5682] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  257.122951][ T5682] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.122970][ T5682] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  257.122983][ T5682] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  257.122995][ T5682] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  257.123006][ T5682] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  257.129913][   T27] RBP: 00007ffe49de0600 R08: 0000000000000000 R09: 0000000000000000
[  257.132245][ T5682] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  257.132271][ T5682]  </TASK>
[  257.135275][ T5682] kobject_add_internal failed for „½%b­i’~N-SS“ with -EEXIST, don't try to register things with the same name in the same directory.
[  257.154277][   T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe49de1690
[  257.158041][ T5682] gfs2: fsid=„½%b­i’~N-SS“: error -17 adding sysfs files
[  257.171076][   T27] R13: 00007f05f03f389d R14: 00000000000193a3 R15: 00007ffe49de16d0
[  257.372489][   T27]  </TASK>
[  257.375612][   T27] 
[  257.375612][   T27] Showing all locks held in the system:
[  257.383578][   T27] 1 lock held by khungtaskd/27:
[  257.388436][   T27]  #0: ffffffff8c11c660 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  257.398144][   T27] 2 locks held by getty/3955:
[  257.405170][   T27]  #0: ffff88802c47a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  257.415261][   T27]  #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[  257.433595][   T27] 3 locks held by kworker/1:18/4436:
[  257.438912][   T27]  #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[  257.460998][   T27]  #1: ffffc900042cfd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[  257.482199][   T27]  #2: ffffffff8c1210e8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x347/0x6b0
[  257.504779][   T27] 2 locks held by kworker/1:19/4438:
[  257.510102][   T27]  #0: ffff888016872138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x760/0x1000
[  257.523177][   T27]  #1: ffffc900042dfd00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000
[  257.535660][   T27] 1 lock held by syz-executor/4967:
[  257.543887][   T27]  #0: ffff88814c0740e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  257.554576][   T27] 4 locks held by syz.1.224/5684:
[  257.559656][   T27] 
[  257.565183][   T27] =============================================
[  257.565183][   T27] 
[  257.574629][   T27] NMI backtrace for cpu 0
[  257.579049][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  257.586327][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  257.596384][   T27] Call Trace:
[  257.599675][   T27]  <TASK>
[  257.602618][   T27]  dump_stack_lvl+0x168/0x230
[  257.607307][   T27]  ? show_regs_print_info+0x20/0x20
[  257.612752][   T27]  ? load_image+0x3b0/0x3b0
[  257.617297][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  257.622775][   T27]  ? nmi_cpu_backtrace+0x1b6/0x3d0
[  257.628078][   T27]  nmi_cpu_backtrace+0x397/0x3d0
[  257.633035][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  257.639201][   T27]  ? _printk+0xcc/0x110
[  257.643371][   T27]  ? load_image+0x3b0/0x3b0
[  257.647900][   T27]  ? load_image+0x3b0/0x3b0
[  257.652416][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  257.658495][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  257.664491][   T27]  watchdog+0xe0f/0xe50
[  257.668693][   T27]  kthread+0x436/0x520
[  257.672861][   T27]  ? hungtask_pm_notify+0x40/0x40
[  257.677983][   T27]  ? kthread_blkcg+0xd0/0xd0
[  257.682583][   T27]  ret_from_fork+0x1f/0x30
[  257.687020][   T27]  </TASK>
[  257.690510][   T27] Sending NMI from CPU 0 to CPUs 1:
[  257.695875][    C1] NMI backtrace for cpu 1
[  257.695888][    C1] CPU: 1 PID: 1281 Comm: kworker/u4:4 Not tainted syzkaller #0
[  257.695903][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  257.695912][    C1] Workqueue: phy10 ieee80211_iface_work
[  257.695934][    C1] RIP: 0010:look_up_lock_class+0x81/0x110
[  257.695953][    C1] Code: 80 46 86 c8 61 49 0f af c7 48 c1 e8 34 48 8b 1c c5 00 07 85 92 e8 4f 01 00 00 48 85 db 74 4b 4c 39 7b 40 74 05 48 8b 1b eb eb <48> 8b 83 b0 00 00 00 49 3b 46 18 74 35 49 81 3e 80 bf b2 8f 74 2c
[  257.695967][    C1] RSP: 0018:ffffc900057c7790 EFLAGS: 00000046
[  257.695979][    C1] RAX: 0000000000000001 RBX: ffffffff8f9addc0 RCX: ffff88802281d940
[  257.695990][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900057c7d00
[  257.696000][    C1] RBP: ffffc900057c7890 R08: dffffc0000000000 R09: 0000000000000000
[  257.696010][    C1] R10: fffffbfff1ad323e R11: 1ffffffff1ad323d R12: 0000000000000000
[  257.696020][    C1] R13: dffffc0000000000 R14: ffffc900057c7d00 R15: ffffffff964c3520
[  257.696031][    C1] FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[  257.696044][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  257.696054][    C1] CR2: 00007f7752888000 CR3: 00000000193f2000 CR4: 00000000003506e0
[  257.696068][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  257.696076][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  257.696086][    C1] Call Trace:
[  257.696092][    C1]  <TASK>
[  257.696098][    C1]  register_lock_class+0xb1/0x880
[  257.696119][    C1]  ? is_dynamic_key+0x1f0/0x1f0
[  257.696136][    C1]  ? mark_lock+0x94/0x320
[  257.696152][    C1]  __lock_acquire+0x160/0x7c60
[  257.696168][    C1]  ? verify_lock_unused+0x140/0x140
[  257.696188][    C1]  ? mark_lock+0x94/0x320
[  257.696204][    C1]  ? __lock_acquire+0x13ad/0x7c60
[  257.696221][    C1]  ? verify_lock_unused+0x140/0x140
[  257.696239][    C1]  ? try_to_wake_up+0x3d4/0x1050
[  257.696257][    C1]  ? __lock_acquire+0x7c60/0x7c60
[  257.696272][    C1]  ? __rwlock_init+0x140/0x140
[  257.696288][    C1]  lock_acquire+0x197/0x3f0
[  257.696302][    C1]  ? process_one_work+0x7a3/0x1000
[  257.696319][    C1]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[  257.696337][    C1]  ? read_lock_is_recursive+0x10/0x10
[  257.696353][    C1]  ? try_to_wake_up+0x6cf/0x1050
[  257.696369][    C1]  ? _raw_spin_unlock_irq+0x1f/0x40
[  257.696388][    C1]  process_one_work+0x7bf/0x1000
[  257.696402][    C1]  ? process_one_work+0x7a3/0x1000
[  257.696421][    C1]  ? worker_detach_from_pool+0x240/0x240
[  257.696436][    C1]  ? lockdep_hardirqs_off+0x70/0x100
[  257.696451][    C1]  ? _raw_spin_lock_irq+0xab/0xe0
[  257.696467][    C1]  ? _raw_spin_lock_irqsave+0xf0/0xf0
[  257.696484][    C1]  ? wq_worker_running+0x97/0x170
[  257.696498][    C1]  worker_thread+0xaa8/0x12a0
[  257.696513][    C1]  ? lockdep_hardirqs_on+0x94/0x140
[  257.696529][    C1]  ? lockdep_hardirqs_on+0x94/0x140
[  257.696544][    C1]  ? _raw_spin_unlock_irqrestore+0xaa/0x100
[  257.696564][    C1]  kthread+0x436/0x520
[  257.696576][    C1]  ? rcu_lock_release+0x20/0x20
[  257.696589][    C1]  ? kthread_blkcg+0xd0/0xd0
[  257.696603][    C1]  ret_from_fork+0x1f/0x30
[  257.696631][    C1]  </TASK>
[  257.745095][ T5684] loop1: detected capacity change from 0 to 32768
[  257.758134][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  257.775978][ T5684] sysfs: cannot create duplicate filename '/fs/gfs2/„½%b­i’~N-SS“'
[  257.776642][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  258.043218][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  258.053529][   T27] Call Trace:
[  258.056804][   T27]  <TASK>
[  258.059816][   T27]  dump_stack_lvl+0x168/0x230
[  258.064575][   T27]  ? show_regs_print_info+0x20/0x20
[  258.069760][   T27]  ? load_image+0x3b0/0x3b0
[  258.074610][   T27]  panic+0x2c9/0x7f0
[  258.078506][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  258.084139][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  258.088713][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  258.094252][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  258.100506][   T27]  watchdog+0xe4e/0xe50
[  258.104662][   T27]  kthread+0x436/0x520
[  258.108716][   T27]  ? hungtask_pm_notify+0x40/0x40
[  258.113739][   T27]  ? kthread_blkcg+0xd0/0xd0
[  258.118337][   T27]  ret_from_fork+0x1f/0x30
[  258.123184][   T27]  </TASK>
[  258.126194][ T5684] CPU: 1 PID: 5684 Comm: syz.1.224 Not tainted syzkaller #0
[  258.133477][ T5684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  258.143603][ T5684] Call Trace:
[  258.146958][ T5684]  <TASK>
[  258.149877][ T5684]  dump_stack_lvl+0x168/0x230
[  258.154545][ T5684]  ? show_regs_print_info+0x20/0x20
[  258.159734][ T5684]  ? load_image+0x3b0/0x3b0
[  258.164239][ T5684]  sysfs_create_dir_ns+0x252/0x280
[  258.169341][ T5684]  ? __lock_acquire+0x7c60/0x7c60
[  258.174355][ T5684]  ? sysfs_warn_dup+0xa0/0xa0
[  258.179024][ T5684]  ? do_raw_spin_unlock+0x11d/0x230
[  258.184389][ T5684]  kobject_add_internal+0x662/0xd00
[  258.189603][ T5684]  kobject_init_and_add+0x122/0x190
[  258.194990][ T5684]  ? lockdep_softirqs_off+0x420/0x420
[  258.200536][ T5684]  ? kobject_add+0x210/0x210
[  258.205122][ T5684]  ? __init_swait_queue_head+0xa5/0x150
[  258.210661][ T5684]  gfs2_sys_fs_add+0x234/0x480
[  258.215416][ T5684]  ? gfs2_recover_set+0x240/0x240
[  258.220637][ T5684]  ? snprintf+0xd7/0x120
[  258.225219][ T5684]  ? __free_pages+0x95/0x1a0
[  258.229933][ T5684]  ? vscnprintf+0x80/0x80
[  258.234365][ T5684]  gfs2_fill_super+0x128d/0x1f50
[  258.239345][ T5684]  ? gfs2_reconfigure+0xcd0/0xcd0
[  258.244725][ T5684]  ? preempt_count_add+0x8d/0x190
[  258.250220][ T5684]  ? sb_set_blocksize+0xa5/0xe0
[  258.255114][ T5684]  get_tree_bdev+0x3f1/0x610
[  258.260097][ T5684]  ? gfs2_reconfigure+0xcd0/0xcd0
[  258.265119][ T5684]  gfs2_get_tree+0x4d/0x1e0
[  258.269615][ T5684]  vfs_get_tree+0x88/0x270
[  258.274046][ T5684]  do_new_mount+0x24a/0xa40
[  258.278546][ T5684]  __se_sys_mount+0x2d6/0x3c0
[  258.283213][ T5684]  ? __x64_sys_mount+0xc0/0xc0
[  258.287965][ T5684]  ? lockdep_hardirqs_on+0x94/0x140
[  258.293152][ T5684]  ? __x64_sys_mount+0x1c/0xc0
[  258.297903][ T5684]  do_syscall_64+0x4c/0xa0
[  258.302305][ T5684]  ? clear_bhb_loop+0x30/0x80
[  258.306966][ T5684]  ? clear_bhb_loop+0x30/0x80
[  258.311632][ T5684]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  258.317512][ T5684] RIP: 0033:0x7f775aa3b10a
[  258.321917][ T5684] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  258.341780][ T5684] RSP: 002b:00007f7759ca8e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.350187][ T5684] RAX: ffffffffffffffda RBX: 00007f7759ca8ef0 RCX: 00007f775aa3b10a
[  258.358147][ T5684] RDX: 0000200000000140 RSI: 0000200000000040 RDI: 00007f7759ca8eb0
[  258.366107][ T5684] RBP: 0000200000000140 R08: 00007f7759ca8ef0 R09: 0000000000000815
[  258.374062][ T5684] R10: 0000000000000815 R11: 0000000000000246 R12: 0000200000000040
[  258.382019][ T5684] R13: 00007f7759ca8eb0 R14: 00000000000126e0 R15: 0000200000000080
[  258.389992][ T5684]  </TASK>
[  258.393480][   T27] Kernel Offset: disabled
[  258.397942][   T27] Rebooting in 86400 seconds..