0/0xb10
[  252.626171][ T6393]  ? setup_bdev_super+0x660/0x660
[  252.631385][ T6393]  gfs2_get_tree+0x51/0x1e0
[  252.635907][ T6393]  vfs_get_tree+0x8c/0x280
[  252.640429][ T6393]  do_new_mount+0x24b/0xa40
[  252.644950][ T6393]  __se_sys_mount+0x2da/0x3c0
[  252.649648][ T6393]  ? __x64_sys_mount+0xc0/0xc0
[  252.654604][ T6393]  ? lockdep_hardirqs_on+0x98/0x150
[  252.659821][ T6393]  ? __x64_sys_mount+0x20/0xc0
[  252.664600][ T6393]  do_syscall_64+0x55/0xb0
[  252.669026][ T6393]  ? clear_bhb_loop+0x40/0x90
[  252.673806][ T6393]  ? clear_bhb_loop+0x40/0x90
[  252.678600][ T6393]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  252.684592][ T6393] RIP: 0033:0x7f0efb990eea
[  252.689111][ T6393] 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
[  252.709194][ T6393] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  252.717727][ T6393] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  252.725896][ T6393] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  252.733982][ T6393] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  252.742059][ T6393] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  252.750218][ T6393] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  252.758392][ T6393]  </TASK>
[  252.781177][ T6393] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  252.802827][ T6393] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.081718][ T5081] Bluetooth: hci0: command 0x0406 tx timeout
[  253.230621][ T6396] loop1: detected capacity change from 0 to 32768
[  253.251884][ T6396] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.259440][ T6396] CPU: 0 PID: 6396 Comm: syz.1.158 Not tainted syzkaller #0
[  253.266861][ T6396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  253.276961][ T6396] Call Trace:
[  253.280284][ T6396]  <TASK>
[  253.283343][ T6396]  dump_stack_lvl+0x16c/0x230
[  253.288083][ T6396]  ? show_regs_print_info+0x20/0x20
[  253.293335][ T6396]  ? load_image+0x3b0/0x3b0
[  253.298204][ T6396]  sysfs_create_dir_ns+0x256/0x280
[  253.303372][ T6396]  ? sysfs_warn_dup+0xa0/0xa0
[  253.308092][ T6396]  ? do_raw_spin_unlock+0x121/0x230
[  253.313500][ T6396]  kobject_add_internal+0x6b8/0xc70
[  253.318920][ T6396]  kobject_init_and_add+0x126/0x190
[  253.324485][ T6396]  ? lockdep_softirqs_off+0x430/0x430
[  253.329890][ T6396]  ? kobject_add+0x220/0x220
[  253.334610][ T6396]  ? __init_swait_queue_head+0xa9/0x150
[  253.340173][ T6396]  gfs2_sys_fs_add+0x238/0x470
[  253.345040][ T6396]  ? gfs2_recover_set+0x250/0x250
[  253.350175][ T6396]  ? apply_workqueue_attrs+0x180/0x180
[  253.355754][ T6396]  gfs2_fill_super+0x1323/0x1f80
[  253.360894][ T6396]  ? gfs2_reconfigure+0xb10/0xb10
[  253.365945][ T6396]  ? setup_bdev_super+0x56b/0x660
[  253.371159][ T6396]  get_tree_bdev+0x3e4/0x510
[  253.375847][ T6396]  ? end_current_label_crit_section+0x170/0x170
[  253.382196][ T6396]  ? gfs2_reconfigure+0xb10/0xb10
[  253.387408][ T6396]  ? setup_bdev_super+0x660/0x660
[  253.392978][ T6396]  gfs2_get_tree+0x51/0x1e0
[  253.397674][ T6396]  vfs_get_tree+0x8c/0x280
[  253.402201][ T6396]  do_new_mount+0x24b/0xa40
[  253.406755][ T6396]  __se_sys_mount+0x2da/0x3c0
[  253.411450][ T6396]  ? __x64_sys_mount+0xc0/0xc0
[  253.416325][ T6396]  ? lockdep_hardirqs_on+0x98/0x150
[  253.421561][ T6396]  ? __x64_sys_mount+0x20/0xc0
[  253.426411][ T6396]  do_syscall_64+0x55/0xb0
[  253.430841][ T6396]  ? clear_bhb_loop+0x40/0x90
[  253.435534][ T6396]  ? clear_bhb_loop+0x40/0x90
[  253.440413][ T6396]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  253.446431][ T6396] RIP: 0033:0x7f0efb990eea
[  253.450952][ T6396] 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
[  253.471101][ T6396] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  253.479792][ T6396] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  253.487876][ T6396] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  253.495883][ T6396] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  253.503879][ T6396] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  253.512043][ T6396] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  253.520230][ T6396]  </TASK>
[  253.526512][ T6396] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  253.541801][ T6396] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  253.963235][ T6399] loop1: detected capacity change from 0 to 32768
[  253.978652][ T6399] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  253.987316][ T6399] CPU: 1 PID: 6399 Comm: syz.1.159 Not tainted syzkaller #0
[  253.994850][ T6399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.005035][ T6399] Call Trace:
[  254.008350][ T6399]  <TASK>
[  254.011314][ T6399]  dump_stack_lvl+0x16c/0x230
[  254.016049][ T6399]  ? show_regs_print_info+0x20/0x20
[  254.021313][ T6399]  ? load_image+0x3b0/0x3b0
[  254.025963][ T6399]  sysfs_create_dir_ns+0x256/0x280
[  254.031211][ T6399]  ? sysfs_warn_dup+0xa0/0xa0
[  254.035938][ T6399]  ? do_raw_spin_unlock+0x121/0x230
[  254.041184][ T6399]  kobject_add_internal+0x6b8/0xc70
[  254.046441][ T6399]  kobject_init_and_add+0x126/0x190
[  254.051690][ T6399]  ? lockdep_softirqs_off+0x430/0x430
[  254.057119][ T6399]  ? kobject_add+0x220/0x220
[  254.061753][ T6399]  ? __init_swait_queue_head+0xa9/0x150
[  254.067527][ T6399]  gfs2_sys_fs_add+0x238/0x470
[  254.072375][ T6399]  ? gfs2_recover_set+0x250/0x250
[  254.077462][ T6399]  ? apply_workqueue_attrs+0x180/0x180
[  254.082986][ T6399]  gfs2_fill_super+0x1323/0x1f80
[  254.088073][ T6399]  ? gfs2_reconfigure+0xb10/0xb10
[  254.093252][ T6399]  ? setup_bdev_super+0x56b/0x660
[  254.098429][ T6399]  get_tree_bdev+0x3e4/0x510
[  254.103026][ T6399]  ? end_current_label_crit_section+0x170/0x170
[  254.109269][ T6399]  ? gfs2_reconfigure+0xb10/0xb10
[  254.114299][ T6399]  ? setup_bdev_super+0x660/0x660
[  254.119412][ T6399]  gfs2_get_tree+0x51/0x1e0
[  254.124179][ T6399]  vfs_get_tree+0x8c/0x280
[  254.128600][ T6399]  do_new_mount+0x24b/0xa40
[  254.133195][ T6399]  __se_sys_mount+0x2da/0x3c0
[  254.138035][ T6399]  ? __x64_sys_mount+0xc0/0xc0
[  254.142836][ T6399]  ? lockdep_hardirqs_on+0x98/0x150
[  254.148157][ T6399]  ? __x64_sys_mount+0x20/0xc0
[  254.152956][ T6399]  do_syscall_64+0x55/0xb0
[  254.157471][ T6399]  ? clear_bhb_loop+0x40/0x90
[  254.162153][ T6399]  ? clear_bhb_loop+0x40/0x90
[  254.166935][ T6399]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  254.173118][ T6399] RIP: 0033:0x7f0efb990eea
[  254.177815][ T6399] 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
[  254.197884][ T6399] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.206594][ T6399] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  254.214863][ T6399] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  254.223191][ T6399] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  254.231254][ T6399] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  254.239400][ T6399] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  254.247574][ T6399]  </TASK>
[  254.251811][ T6399] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.266066][ T6399] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  254.686533][ T6402] loop1: detected capacity change from 0 to 32768
[  254.706545][ T6402] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  254.714722][ T6402] CPU: 1 PID: 6402 Comm: syz.1.160 Not tainted syzkaller #0
[  254.722170][ T6402] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  254.732278][ T6402] Call Trace:
[  254.735692][ T6402]  <TASK>
[  254.738745][ T6402]  dump_stack_lvl+0x16c/0x230
[  254.743487][ T6402]  ? show_regs_print_info+0x20/0x20
[  254.748838][ T6402]  ? load_image+0x3b0/0x3b0
[  254.753419][ T6402]  sysfs_create_dir_ns+0x256/0x280
[  254.758686][ T6402]  ? sysfs_warn_dup+0xa0/0xa0
[  254.763503][ T6402]  ? do_raw_spin_unlock+0x121/0x230
[  254.769082][ T6402]  kobject_add_internal+0x6b8/0xc70
[  254.774318][ T6402]  kobject_init_and_add+0x126/0x190
[  254.779645][ T6402]  ? lockdep_softirqs_off+0x430/0x430
[  254.785236][ T6402]  ? kobject_add+0x220/0x220
[  254.789957][ T6402]  ? __init_swait_queue_head+0xa9/0x150
[  254.795526][ T6402]  gfs2_sys_fs_add+0x238/0x470
[  254.800746][ T6402]  ? gfs2_recover_set+0x250/0x250
[  254.805876][ T6402]  ? apply_workqueue_attrs+0x180/0x180
[  254.811371][ T6402]  gfs2_fill_super+0x1323/0x1f80
[  254.816366][ T6402]  ? gfs2_reconfigure+0xb10/0xb10
[  254.821526][ T6402]  ? setup_bdev_super+0x56b/0x660
[  254.826581][ T6402]  get_tree_bdev+0x3e4/0x510
[  254.831289][ T6402]  ? end_current_label_crit_section+0x170/0x170
[  254.837560][ T6402]  ? gfs2_reconfigure+0xb10/0xb10
[  254.842720][ T6402]  ? setup_bdev_super+0x660/0x660
[  254.847851][ T6402]  gfs2_get_tree+0x51/0x1e0
[  254.852569][ T6402]  vfs_get_tree+0x8c/0x280
[  254.857208][ T6402]  do_new_mount+0x24b/0xa40
[  254.861744][ T6402]  __se_sys_mount+0x2da/0x3c0
[  254.866465][ T6402]  ? __x64_sys_mount+0xc0/0xc0
[  254.871252][ T6402]  ? lockdep_hardirqs_on+0x98/0x150
[  254.876613][ T6402]  ? __x64_sys_mount+0x20/0xc0
[  254.881408][ T6402]  do_syscall_64+0x55/0xb0
[  254.885932][ T6402]  ? clear_bhb_loop+0x40/0x90
[  254.890689][ T6402]  ? clear_bhb_loop+0x40/0x90
[  254.895656][ T6402]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  254.901666][ T6402] RIP: 0033:0x7f0efb990eea
[  254.906275][ T6402] 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
[  254.926080][ T6402] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  254.934700][ T6402] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  254.942859][ T6402] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  254.951282][ T6402] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  254.959399][ T6402] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  254.967559][ T6402] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  254.975594][ T6402]  </TASK>
[  254.984254][ T6402] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  254.998994][ T6402] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  255.398736][ T6405] loop1: detected capacity change from 0 to 32768
[  255.412910][ T6405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  255.421080][ T6405] CPU: 0 PID: 6405 Comm: syz.1.161 Not tainted syzkaller #0
[  255.428428][ T6405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  255.438892][ T6405] Call Trace:
[  255.442220][ T6405]  <TASK>
[  255.445195][ T6405]  dump_stack_lvl+0x16c/0x230
[  255.450117][ T6405]  ? show_regs_print_info+0x20/0x20
[  255.455370][ T6405]  ? load_image+0x3b0/0x3b0
[  255.460024][ T6405]  sysfs_create_dir_ns+0x256/0x280
[  255.465218][ T6405]  ? sysfs_warn_dup+0xa0/0xa0
[  255.470044][ T6405]  ? do_raw_spin_unlock+0x121/0x230
[  255.475477][ T6405]  kobject_add_internal+0x6b8/0xc70
[  255.480743][ T6405]  kobject_init_and_add+0x126/0x190
[  255.485997][ T6405]  ? lockdep_softirqs_off+0x430/0x430
[  255.491585][ T6405]  ? kobject_add+0x220/0x220
[  255.496400][ T6405]  ? __init_swait_queue_head+0xa9/0x150
[  255.502085][ T6405]  gfs2_sys_fs_add+0x238/0x470
[  255.507168][ T6405]  ? gfs2_recover_set+0x250/0x250
[  255.512344][ T6405]  ? apply_workqueue_attrs+0x180/0x180
[  255.517856][ T6405]  gfs2_fill_super+0x1323/0x1f80
[  255.522952][ T6405]  ? gfs2_reconfigure+0xb10/0xb10
[  255.528042][ T6405]  ? setup_bdev_super+0x56b/0x660
[  255.533203][ T6405]  get_tree_bdev+0x3e4/0x510
[  255.538021][ T6405]  ? end_current_label_crit_section+0x170/0x170
[  255.544375][ T6405]  ? gfs2_reconfigure+0xb10/0xb10
[  255.549534][ T6405]  ? setup_bdev_super+0x660/0x660
[  255.554761][ T6405]  gfs2_get_tree+0x51/0x1e0
[  255.559272][ T6405]  vfs_get_tree+0x8c/0x280
[  255.563879][ T6405]  do_new_mount+0x24b/0xa40
[  255.568404][ T6405]  __se_sys_mount+0x2da/0x3c0
[  255.573092][ T6405]  ? __x64_sys_mount+0xc0/0xc0
[  255.577947][ T6405]  ? lockdep_hardirqs_on+0x98/0x150
[  255.583238][ T6405]  ? __x64_sys_mount+0x20/0xc0
[  255.588089][ T6405]  do_syscall_64+0x55/0xb0
[  255.592607][ T6405]  ? clear_bhb_loop+0x40/0x90
[  255.597451][ T6405]  ? clear_bhb_loop+0x40/0x90
[  255.602679][ T6405]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  255.608685][ T6405] RIP: 0033:0x7f0efb990eea
[  255.613110][ T6405] 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
[  255.632746][ T6405] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  255.641314][ T6405] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  255.649389][ T6405] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  255.657389][ T6405] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  255.665574][ T6405] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  255.673684][ T6405] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  255.681720][ T6405]  </TASK>
[  255.693288][ T6405] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  255.707543][ T6405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.126135][ T1287] ieee802154 phy0 wpan0: encryption failed: -22
[  256.138050][ T1287] ieee802154 phy1 wpan1: encryption failed: -22
[  256.166679][ T6408] loop1: detected capacity change from 0 to 32768
[  256.185591][ T6408] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.193237][ T6408] CPU: 0 PID: 6408 Comm: syz.1.162 Not tainted syzkaller #0
[  256.200818][ T6408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  256.211276][ T6408] Call Trace:
[  256.214599][ T6408]  <TASK>
[  256.217579][ T6408]  dump_stack_lvl+0x16c/0x230
[  256.222325][ T6408]  ? show_regs_print_info+0x20/0x20
[  256.227687][ T6408]  ? load_image+0x3b0/0x3b0
[  256.232253][ T6408]  sysfs_create_dir_ns+0x256/0x280
[  256.237535][ T6408]  ? sysfs_warn_dup+0xa0/0xa0
[  256.242448][ T6408]  ? do_raw_spin_unlock+0x121/0x230
[  256.247857][ T6408]  kobject_add_internal+0x6b8/0xc70
[  256.253089][ T6408]  kobject_init_and_add+0x126/0x190
[  256.258303][ T6408]  ? lockdep_softirqs_off+0x430/0x430
[  256.263955][ T6408]  ? kobject_add+0x220/0x220
[  256.268667][ T6408]  ? __init_swait_queue_head+0xa9/0x150
[  256.274258][ T6408]  gfs2_sys_fs_add+0x238/0x470
[  256.279061][ T6408]  ? gfs2_recover_set+0x250/0x250
[  256.284119][ T6408]  ? apply_workqueue_attrs+0x180/0x180
[  256.289617][ T6408]  gfs2_fill_super+0x1323/0x1f80
[  256.294943][ T6408]  ? gfs2_reconfigure+0xb10/0xb10
[  256.299994][ T6408]  ? setup_bdev_super+0x56b/0x660
[  256.305035][ T6408]  get_tree_bdev+0x3e4/0x510
[  256.309737][ T6408]  ? end_current_label_crit_section+0x170/0x170
[  256.315994][ T6408]  ? gfs2_reconfigure+0xb10/0xb10
[  256.321031][ T6408]  ? setup_bdev_super+0x660/0x660
[  256.326172][ T6408]  gfs2_get_tree+0x51/0x1e0
[  256.330878][ T6408]  vfs_get_tree+0x8c/0x280
[  256.335308][ T6408]  do_new_mount+0x24b/0xa40
[  256.339915][ T6408]  __se_sys_mount+0x2da/0x3c0
[  256.344706][ T6408]  ? __x64_sys_mount+0xc0/0xc0
[  256.349672][ T6408]  ? lockdep_hardirqs_on+0x98/0x150
[  256.354892][ T6408]  ? __x64_sys_mount+0x20/0xc0
[  256.359671][ T6408]  do_syscall_64+0x55/0xb0
[  256.364107][ T6408]  ? clear_bhb_loop+0x40/0x90
[  256.368797][ T6408]  ? clear_bhb_loop+0x40/0x90
[  256.373497][ T6408]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  256.379585][ T6408] RIP: 0033:0x7f0efb990eea
[  256.384016][ T6408] 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
[  256.403842][ T6408] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  256.412470][ T6408] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  256.420670][ T6408] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  256.428676][ T6408] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  256.436953][ T6408] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  256.445088][ T6408] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  256.453107][ T6408]  </TASK>
[  256.462379][ T6408] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  256.480304][ T6408] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  256.888139][ T6411] loop1: detected capacity change from 0 to 32768
[  256.913896][ T6411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  256.921504][ T6411] CPU: 1 PID: 6411 Comm: syz.1.163 Not tainted syzkaller #0
[  256.928842][ T6411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  256.938961][ T6411] Call Trace:
[  256.942284][ T6411]  <TASK>
[  256.945268][ T6411]  dump_stack_lvl+0x16c/0x230
[  256.950010][ T6411]  ? show_regs_print_info+0x20/0x20
[  256.955366][ T6411]  ? load_image+0x3b0/0x3b0
[  256.960103][ T6411]  sysfs_create_dir_ns+0x256/0x280
[  256.965358][ T6411]  ? sysfs_warn_dup+0xa0/0xa0
[  256.970174][ T6411]  ? do_raw_spin_unlock+0x121/0x230
[  256.975695][ T6411]  kobject_add_internal+0x6b8/0xc70
[  256.980987][ T6411]  kobject_init_and_add+0x126/0x190
[  256.986235][ T6411]  ? lockdep_softirqs_off+0x430/0x430
[  256.992369][ T6411]  ? kobject_add+0x220/0x220
[  256.997115][ T6411]  ? __init_swait_queue_head+0xa9/0x150
[  257.002716][ T6411]  gfs2_sys_fs_add+0x238/0x470
[  257.007612][ T6411]  ? gfs2_recover_set+0x250/0x250
[  257.012801][ T6411]  ? apply_workqueue_attrs+0x180/0x180
[  257.018317][ T6411]  gfs2_fill_super+0x1323/0x1f80
[  257.023406][ T6411]  ? gfs2_reconfigure+0xb10/0xb10
[  257.028729][ T6411]  ? setup_bdev_super+0x56b/0x660
[  257.033857][ T6411]  get_tree_bdev+0x3e4/0x510
[  257.038452][ T6411]  ? end_current_label_crit_section+0x170/0x170
[  257.044702][ T6411]  ? gfs2_reconfigure+0xb10/0xb10
[  257.049728][ T6411]  ? setup_bdev_super+0x660/0x660
[  257.054951][ T6411]  gfs2_get_tree+0x51/0x1e0
[  257.059474][ T6411]  vfs_get_tree+0x8c/0x280
[  257.063897][ T6411]  do_new_mount+0x24b/0xa40
[  257.068409][ T6411]  __se_sys_mount+0x2da/0x3c0
[  257.073182][ T6411]  ? __x64_sys_mount+0xc0/0xc0
[  257.078034][ T6411]  ? lockdep_hardirqs_on+0x98/0x150
[  257.083233][ T6411]  ? __x64_sys_mount+0x20/0xc0
[  257.088170][ T6411]  do_syscall_64+0x55/0xb0
[  257.092606][ T6411]  ? clear_bhb_loop+0x40/0x90
[  257.097416][ T6411]  ? clear_bhb_loop+0x40/0x90
[  257.102788][ T6411]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  257.108880][ T6411] RIP: 0033:0x7f0efb990eea
[  257.113312][ T6411] 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
[  257.133200][ T6411] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.141885][ T6411] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  257.149886][ T6411] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  257.157887][ T6411] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  257.166063][ T6411] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  257.174176][ T6411] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  257.182344][ T6411]  </TASK>
[  257.191775][ T6411] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.208815][ T6411] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 15:08:57 executed programs: 149
[  257.639857][ T6414] loop1: detected capacity change from 0 to 32768
[  257.654300][ T6414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  257.662153][ T6414] CPU: 1 PID: 6414 Comm: syz.1.164 Not tainted syzkaller #0
[  257.669564][ T6414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  257.679674][ T6414] Call Trace:
[  257.683097][ T6414]  <TASK>
[  257.686077][ T6414]  dump_stack_lvl+0x16c/0x230
[  257.690818][ T6414]  ? show_regs_print_info+0x20/0x20
[  257.696084][ T6414]  ? load_image+0x3b0/0x3b0
[  257.700846][ T6414]  sysfs_create_dir_ns+0x256/0x280
[  257.706111][ T6414]  ? sysfs_warn_dup+0xa0/0xa0
[  257.710854][ T6414]  ? do_raw_spin_unlock+0x121/0x230
[  257.716281][ T6414]  kobject_add_internal+0x6b8/0xc70
[  257.721549][ T6414]  kobject_init_and_add+0x126/0x190
[  257.726938][ T6414]  ? lockdep_softirqs_off+0x430/0x430
[  257.732376][ T6414]  ? kobject_add+0x220/0x220
[  257.737132][ T6414]  ? __init_swait_queue_head+0xa9/0x150
[  257.742730][ T6414]  gfs2_sys_fs_add+0x238/0x470
[  257.747621][ T6414]  ? gfs2_recover_set+0x250/0x250
[  257.752767][ T6414]  ? apply_workqueue_attrs+0x180/0x180
[  257.758259][ T6414]  gfs2_fill_super+0x1323/0x1f80
[  257.763318][ T6414]  ? gfs2_reconfigure+0xb10/0xb10
[  257.768461][ T6414]  ? setup_bdev_super+0x56b/0x660
[  257.773502][ T6414]  get_tree_bdev+0x3e4/0x510
[  257.778367][ T6414]  ? end_current_label_crit_section+0x170/0x170
[  257.784797][ T6414]  ? gfs2_reconfigure+0xb10/0xb10
[  257.789843][ T6414]  ? setup_bdev_super+0x660/0x660
[  257.794927][ T6414]  gfs2_get_tree+0x51/0x1e0
[  257.799549][ T6414]  vfs_get_tree+0x8c/0x280
[  257.804176][ T6414]  do_new_mount+0x24b/0xa40
[  257.808739][ T6414]  __se_sys_mount+0x2da/0x3c0
[  257.813629][ T6414]  ? __x64_sys_mount+0xc0/0xc0
[  257.818503][ T6414]  ? lockdep_hardirqs_on+0x98/0x150
[  257.823807][ T6414]  ? __x64_sys_mount+0x20/0xc0
[  257.828601][ T6414]  do_syscall_64+0x55/0xb0
[  257.833117][ T6414]  ? clear_bhb_loop+0x40/0x90
[  257.837900][ T6414]  ? clear_bhb_loop+0x40/0x90
[  257.842590][ T6414]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  257.848494][ T6414] RIP: 0033:0x7f0efb990eea
[  257.853286][ T6414] 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
[  257.873707][ T6414] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  257.882756][ T6414] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  257.891102][ T6414] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  257.899262][ T6414] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  257.907507][ T6414] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  257.915760][ T6414] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  257.923785][ T6414]  </TASK>
[  257.937137][ T6414] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  257.956919][ T6414] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  258.362206][ T6417] loop1: detected capacity change from 0 to 32768
[  258.392390][ T6417] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  258.402083][ T6417] CPU: 1 PID: 6417 Comm: syz.1.165 Not tainted syzkaller #0
[  258.409632][ T6417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  258.419820][ T6417] Call Trace:
[  258.423139][ T6417]  <TASK>
[  258.426101][ T6417]  dump_stack_lvl+0x16c/0x230
[  258.431012][ T6417]  ? show_regs_print_info+0x20/0x20
[  258.436253][ T6417]  ? load_image+0x3b0/0x3b0
[  258.440829][ T6417]  sysfs_create_dir_ns+0x256/0x280
[  258.446001][ T6417]  ? sysfs_warn_dup+0xa0/0xa0
[  258.450740][ T6417]  ? do_raw_spin_unlock+0x121/0x230
[  258.455990][ T6417]  kobject_add_internal+0x6b8/0xc70
[  258.461416][ T6417]  kobject_init_and_add+0x126/0x190
[  258.466766][ T6417]  ? lockdep_softirqs_off+0x430/0x430
[  258.472296][ T6417]  ? kobject_add+0x220/0x220
[  258.476959][ T6417]  ? __init_swait_queue_head+0xa9/0x150
[  258.482573][ T6417]  gfs2_sys_fs_add+0x238/0x470
[  258.487394][ T6417]  ? gfs2_recover_set+0x250/0x250
[  258.492510][ T6417]  ? apply_workqueue_attrs+0x180/0x180
[  258.498053][ T6417]  gfs2_fill_super+0x1323/0x1f80
[  258.503243][ T6417]  ? gfs2_reconfigure+0xb10/0xb10
[  258.508317][ T6417]  ? setup_bdev_super+0x56b/0x660
[  258.513445][ T6417]  get_tree_bdev+0x3e4/0x510
[  258.518068][ T6417]  ? end_current_label_crit_section+0x170/0x170
[  258.524397][ T6417]  ? gfs2_reconfigure+0xb10/0xb10
[  258.529440][ T6417]  ? setup_bdev_super+0x660/0x660
[  258.535334][ T6417]  gfs2_get_tree+0x51/0x1e0
[  258.539845][ T6417]  vfs_get_tree+0x8c/0x280
[  258.544464][ T6417]  do_new_mount+0x24b/0xa40
[  258.549056][ T6417]  __se_sys_mount+0x2da/0x3c0
[  258.553823][ T6417]  ? __x64_sys_mount+0xc0/0xc0
[  258.558595][ T6417]  ? lockdep_hardirqs_on+0x98/0x150
[  258.563893][ T6417]  ? __x64_sys_mount+0x20/0xc0
[  258.568664][ T6417]  do_syscall_64+0x55/0xb0
[  258.573177][ T6417]  ? clear_bhb_loop+0x40/0x90
[  258.578034][ T6417]  ? clear_bhb_loop+0x40/0x90
[  258.583080][ T6417]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  258.589129][ T6417] RIP: 0033:0x7f0efb990eea
[  258.593677][ T6417] 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
[  258.613867][ T6417] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  258.622385][ T6417] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  258.630471][ T6417] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  258.638623][ T6417] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  258.646768][ T6417] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  258.655002][ T6417] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  258.663177][ T6417]  </TASK>
[  258.667896][ T6417] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  258.683602][ T6417] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.084690][ T6420] loop1: detected capacity change from 0 to 32768
[  259.095670][ T6420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.107285][ T6420] CPU: 0 PID: 6420 Comm: syz.1.166 Not tainted syzkaller #0
[  259.114977][ T6420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  259.125136][ T6420] Call Trace:
[  259.128515][ T6420]  <TASK>
[  259.131455][ T6420]  dump_stack_lvl+0x16c/0x230
[  259.136245][ T6420]  ? show_regs_print_info+0x20/0x20
[  259.141462][ T6420]  ? load_image+0x3b0/0x3b0
[  259.146165][ T6420]  sysfs_create_dir_ns+0x256/0x280
[  259.151296][ T6420]  ? sysfs_warn_dup+0xa0/0xa0
[  259.156003][ T6420]  ? do_raw_spin_unlock+0x121/0x230
[  259.161223][ T6420]  kobject_add_internal+0x6b8/0xc70
[  259.166530][ T6420]  kobject_init_and_add+0x126/0x190
[  259.171860][ T6420]  ? lockdep_softirqs_off+0x430/0x430
[  259.177347][ T6420]  ? kobject_add+0x220/0x220
[  259.182215][ T6420]  ? __init_swait_queue_head+0xa9/0x150
[  259.187779][ T6420]  gfs2_sys_fs_add+0x238/0x470
[  259.192580][ T6420]  ? gfs2_recover_set+0x250/0x250
[  259.197640][ T6420]  ? apply_workqueue_attrs+0x180/0x180
[  259.203211][ T6420]  gfs2_fill_super+0x1323/0x1f80
[  259.208190][ T6420]  ? gfs2_reconfigure+0xb10/0xb10
[  259.213604][ T6420]  ? setup_bdev_super+0x56b/0x660
[  259.218645][ T6420]  get_tree_bdev+0x3e4/0x510
[  259.223432][ T6420]  ? end_current_label_crit_section+0x170/0x170
[  259.229796][ T6420]  ? gfs2_reconfigure+0xb10/0xb10
[  259.234847][ T6420]  ? setup_bdev_super+0x660/0x660
[  259.239901][ T6420]  gfs2_get_tree+0x51/0x1e0
[  259.244450][ T6420]  vfs_get_tree+0x8c/0x280
[  259.248880][ T6420]  do_new_mount+0x24b/0xa40
[  259.253579][ T6420]  __se_sys_mount+0x2da/0x3c0
[  259.258456][ T6420]  ? __x64_sys_mount+0xc0/0xc0
[  259.263237][ T6420]  ? lockdep_hardirqs_on+0x98/0x150
[  259.268537][ T6420]  ? __x64_sys_mount+0x20/0xc0
[  259.273313][ T6420]  do_syscall_64+0x55/0xb0
[  259.277738][ T6420]  ? clear_bhb_loop+0x40/0x90
[  259.282605][ T6420]  ? clear_bhb_loop+0x40/0x90
[  259.287299][ T6420]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  259.293376][ T6420] RIP: 0033:0x7f0efb990eea
[  259.298420][ T6420] 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
[  259.318320][ T6420] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  259.326855][ T6420] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  259.334848][ T6420] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  259.343026][ T6420] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  259.351110][ T6420] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  259.359273][ T6420] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  259.367463][ T6420]  </TASK>
[  259.373034][ T6420] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  259.388489][ T6420] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  259.840179][ T6423] loop1: detected capacity change from 0 to 32768
[  259.855263][ T6423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  259.863078][ T6423] CPU: 1 PID: 6423 Comm: syz.1.167 Not tainted syzkaller #0
[  259.870590][ T6423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  259.880964][ T6423] Call Trace:
[  259.884404][ T6423]  <TASK>
[  259.887612][ T6423]  dump_stack_lvl+0x16c/0x230
[  259.892539][ T6423]  ? show_regs_print_info+0x20/0x20
[  259.897974][ T6423]  ? load_image+0x3b0/0x3b0
[  259.902713][ T6423]  sysfs_create_dir_ns+0x256/0x280
[  259.908062][ T6423]  ? sysfs_warn_dup+0xa0/0xa0
[  259.912788][ T6423]  ? do_raw_spin_unlock+0x121/0x230
[  259.918127][ T6423]  kobject_add_internal+0x6b8/0xc70
[  259.923477][ T6423]  kobject_init_and_add+0x126/0x190
[  259.928823][ T6423]  ? lockdep_softirqs_off+0x430/0x430
[  259.934657][ T6423]  ? kobject_add+0x220/0x220
[  259.939405][ T6423]  ? __init_swait_queue_head+0xa9/0x150
[  259.945105][ T6423]  gfs2_sys_fs_add+0x238/0x470
[  259.949925][ T6423]  ? gfs2_recover_set+0x250/0x250
[  259.955102][ T6423]  ? apply_workqueue_attrs+0x180/0x180
[  259.961086][ T6423]  gfs2_fill_super+0x1323/0x1f80
[  259.966273][ T6423]  ? gfs2_reconfigure+0xb10/0xb10
[  259.971813][ T6423]  ? setup_bdev_super+0x56b/0x660
[  259.976887][ T6423]  get_tree_bdev+0x3e4/0x510
[  259.981514][ T6423]  ? end_current_label_crit_section+0x170/0x170
[  259.987873][ T6423]  ? gfs2_reconfigure+0xb10/0xb10
[  259.993099][ T6423]  ? setup_bdev_super+0x660/0x660
[  259.998125][ T6423]  gfs2_get_tree+0x51/0x1e0
[  260.002723][ T6423]  vfs_get_tree+0x8c/0x280
[  260.007314][ T6423]  do_new_mount+0x24b/0xa40
[  260.011992][ T6423]  __se_sys_mount+0x2da/0x3c0
[  260.016669][ T6423]  ? __x64_sys_mount+0xc0/0xc0
[  260.021612][ T6423]  ? lockdep_hardirqs_on+0x98/0x150
[  260.027033][ T6423]  ? __x64_sys_mount+0x20/0xc0
[  260.031794][ T6423]  do_syscall_64+0x55/0xb0
[  260.036228][ T6423]  ? clear_bhb_loop+0x40/0x90
[  260.041006][ T6423]  ? clear_bhb_loop+0x40/0x90
[  260.045788][ T6423]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  260.051686][ T6423] RIP: 0033:0x7f0efb990eea
[  260.056126][ T6423] 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
[  260.076398][ T6423] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.085012][ T6423] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  260.092995][ T6423] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  260.101089][ T6423] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  260.109346][ T6423] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  260.117514][ T6423] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  260.126139][ T6423]  </TASK>
[  260.130964][ T6423] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.146584][ T6423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  260.563771][ T6426] loop1: detected capacity change from 0 to 32768
[  260.578211][ T6426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  260.586487][ T6426] CPU: 1 PID: 6426 Comm: syz.1.168 Not tainted syzkaller #0
[  260.594201][ T6426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  260.604302][ T6426] Call Trace:
[  260.607617][ T6426]  <TASK>
[  260.610583][ T6426]  dump_stack_lvl+0x16c/0x230
[  260.615403][ T6426]  ? show_regs_print_info+0x20/0x20
[  260.620749][ T6426]  ? load_image+0x3b0/0x3b0
[  260.625580][ T6426]  sysfs_create_dir_ns+0x256/0x280
[  260.630754][ T6426]  ? sysfs_warn_dup+0xa0/0xa0
[  260.635566][ T6426]  ? do_raw_spin_unlock+0x121/0x230
[  260.640901][ T6426]  kobject_add_internal+0x6b8/0xc70
[  260.646326][ T6426]  kobject_init_and_add+0x126/0x190
[  260.651751][ T6426]  ? lockdep_softirqs_off+0x430/0x430
[  260.657400][ T6426]  ? kobject_add+0x220/0x220
[  260.662230][ T6426]  ? __init_swait_queue_head+0xa9/0x150
[  260.667831][ T6426]  gfs2_sys_fs_add+0x238/0x470
[  260.672828][ T6426]  ? gfs2_recover_set+0x250/0x250
[  260.677917][ T6426]  ? apply_workqueue_attrs+0x180/0x180
[  260.683557][ T6426]  gfs2_fill_super+0x1323/0x1f80
[  260.688586][ T6426]  ? gfs2_reconfigure+0xb10/0xb10
[  260.693786][ T6426]  ? setup_bdev_super+0x56b/0x660
[  260.698853][ T6426]  get_tree_bdev+0x3e4/0x510
[  260.703567][ T6426]  ? end_current_label_crit_section+0x170/0x170
[  260.709942][ T6426]  ? gfs2_reconfigure+0xb10/0xb10
[  260.714982][ T6426]  ? setup_bdev_super+0x660/0x660
[  260.720029][ T6426]  gfs2_get_tree+0x51/0x1e0
[  260.724630][ T6426]  vfs_get_tree+0x8c/0x280
[  260.729191][ T6426]  do_new_mount+0x24b/0xa40
[  260.733712][ T6426]  __se_sys_mount+0x2da/0x3c0
[  260.738728][ T6426]  ? __x64_sys_mount+0xc0/0xc0
[  260.743525][ T6426]  ? lockdep_hardirqs_on+0x98/0x150
[  260.748764][ T6426]  ? __x64_sys_mount+0x20/0xc0
[  260.753544][ T6426]  do_syscall_64+0x55/0xb0
[  260.758051][ T6426]  ? clear_bhb_loop+0x40/0x90
[  260.762958][ T6426]  ? clear_bhb_loop+0x40/0x90
[  260.767698][ T6426]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  260.773888][ T6426] RIP: 0033:0x7f0efb990eea
[  260.778484][ T6426] 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
[  260.798305][ T6426] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  260.806938][ T6426] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  260.814963][ T6426] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  260.823136][ T6426] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  260.831551][ T6426] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  260.839897][ T6426] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  260.848281][ T6426]  </TASK>
[  260.853185][ T6426] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  260.870070][ T6426] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  261.299259][ T6429] loop1: detected capacity change from 0 to 32768
[  261.316054][ T6429] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  261.324196][ T6429] CPU: 1 PID: 6429 Comm: syz.1.169 Not tainted syzkaller #0
[  261.331711][ T6429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  261.341895][ T6429] Call Trace:
[  261.345209][ T6429]  <TASK>
[  261.348187][ T6429]  dump_stack_lvl+0x16c/0x230
[  261.352928][ T6429]  ? show_regs_print_info+0x20/0x20
[  261.358277][ T6429]  ? load_image+0x3b0/0x3b0
[  261.362855][ T6429]  sysfs_create_dir_ns+0x256/0x280
[  261.368712][ T6429]  ? sysfs_warn_dup+0xa0/0xa0
[  261.373460][ T6429]  ? do_raw_spin_unlock+0x121/0x230
[  261.378869][ T6429]  kobject_add_internal+0x6b8/0xc70
[  261.384211][ T6429]  kobject_init_and_add+0x126/0x190
[  261.389678][ T6429]  ? lockdep_softirqs_off+0x430/0x430
[  261.395145][ T6429]  ? kobject_add+0x220/0x220
[  261.399865][ T6429]  ? __init_swait_queue_head+0xa9/0x150
[  261.405592][ T6429]  gfs2_sys_fs_add+0x238/0x470
[  261.410371][ T6429]  ? gfs2_recover_set+0x250/0x250
[  261.415423][ T6429]  ? apply_workqueue_attrs+0x180/0x180
[  261.420944][ T6429]  gfs2_fill_super+0x1323/0x1f80
[  261.425897][ T6429]  ? gfs2_reconfigure+0xb10/0xb10
[  261.430936][ T6429]  ? setup_bdev_super+0x56b/0x660
[  261.435990][ T6429]  get_tree_bdev+0x3e4/0x510
[  261.440706][ T6429]  ? end_current_label_crit_section+0x170/0x170
[  261.446973][ T6429]  ? gfs2_reconfigure+0xb10/0xb10
[  261.452121][ T6429]  ? setup_bdev_super+0x660/0x660
[  261.457893][ T6429]  gfs2_get_tree+0x51/0x1e0
[  261.462694][ T6429]  vfs_get_tree+0x8c/0x280
[  261.467265][ T6429]  do_new_mount+0x24b/0xa40
[  261.471789][ T6429]  __se_sys_mount+0x2da/0x3c0
[  261.476590][ T6429]  ? __x64_sys_mount+0xc0/0xc0
[  261.481685][ T6429]  ? lockdep_hardirqs_on+0x98/0x150
[  261.487101][ T6429]  ? __x64_sys_mount+0x20/0xc0
[  261.492062][ T6429]  do_syscall_64+0x55/0xb0
[  261.496589][ T6429]  ? clear_bhb_loop+0x40/0x90
[  261.501464][ T6429]  ? clear_bhb_loop+0x40/0x90
[  261.506323][ T6429]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  261.512306][ T6429] RIP: 0033:0x7f0efb990eea
[  261.516726][ T6429] 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
[  261.536711][ T6429] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  261.545665][ T6429] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  261.553814][ T6429] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  261.562065][ T6429] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  261.570263][ T6429] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  261.578460][ T6429] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  261.586729][ T6429]  </TASK>
[  261.601474][ T6429] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  261.616314][ T6429] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  262.031422][ T6432] loop1: detected capacity change from 0 to 32768
[  262.046677][ T6432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.062944][ T6432] CPU: 0 PID: 6432 Comm: syz.1.170 Not tainted syzkaller #0
[  262.070563][ T6432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  262.080661][ T6432] Call Trace:
[  262.084412][ T6432]  <TASK>
[  262.087383][ T6432]  dump_stack_lvl+0x16c/0x230
[  262.092372][ T6432]  ? show_regs_print_info+0x20/0x20
[  262.097686][ T6432]  ? load_image+0x3b0/0x3b0
[  262.102488][ T6432]  sysfs_create_dir_ns+0x256/0x280
[  262.107627][ T6432]  ? sysfs_warn_dup+0xa0/0xa0
[  262.112323][ T6432]  ? do_raw_spin_unlock+0x121/0x230
[  262.117564][ T6432]  kobject_add_internal+0x6b8/0xc70
[  262.122874][ T6432]  kobject_init_and_add+0x126/0x190
[  262.128086][ T6432]  ? lockdep_softirqs_off+0x430/0x430
[  262.133474][ T6432]  ? kobject_add+0x220/0x220
[  262.138089][ T6432]  ? __init_swait_queue_head+0xa9/0x150
[  262.143751][ T6432]  gfs2_sys_fs_add+0x238/0x470
[  262.148794][ T6432]  ? gfs2_recover_set+0x250/0x250
[  262.153839][ T6432]  ? apply_workqueue_attrs+0x180/0x180
[  262.159322][ T6432]  gfs2_fill_super+0x1323/0x1f80
[  262.164378][ T6432]  ? gfs2_reconfigure+0xb10/0xb10
[  262.169436][ T6432]  ? setup_bdev_super+0x56b/0x660
[  262.174734][ T6432]  get_tree_bdev+0x3e4/0x510
[  262.179530][ T6432]  ? end_current_label_crit_section+0x170/0x170
[  262.186144][ T6432]  ? gfs2_reconfigure+0xb10/0xb10
[  262.191276][ T6432]  ? setup_bdev_super+0x660/0x660
[  262.196340][ T6432]  gfs2_get_tree+0x51/0x1e0
[  262.200865][ T6432]  vfs_get_tree+0x8c/0x280
[  262.205346][ T6432]  do_new_mount+0x24b/0xa40
[  262.210054][ T6432]  __se_sys_mount+0x2da/0x3c0
[  262.214772][ T6432]  ? __x64_sys_mount+0xc0/0xc0
[  262.219749][ T6432]  ? lockdep_hardirqs_on+0x98/0x150
[  262.224977][ T6432]  ? __x64_sys_mount+0x20/0xc0
[  262.229935][ T6432]  do_syscall_64+0x55/0xb0
[  262.234369][ T6432]  ? clear_bhb_loop+0x40/0x90
[  262.239149][ T6432]  ? clear_bhb_loop+0x40/0x90
[  262.244017][ T6432]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  262.250014][ T6432] RIP: 0033:0x7f0efb990eea
[  262.254444][ T6432] 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
[  262.274384][ T6432] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  262.282938][ T6432] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  262.290945][ T6432] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  262.298947][ T6432] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  262.306933][ T6432] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  262.314919][ T6432] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  262.323089][ T6432]  </TASK>
[  262.332003][ T6432] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  262.348736][ T6432] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 15:09:02 executed programs: 156
[  262.777163][ T6435] loop1: detected capacity change from 0 to 32768
[  262.795598][ T6435] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  262.804165][ T6435] CPU: 0 PID: 6435 Comm: syz.1.171 Not tainted syzkaller #0
[  262.811682][ T6435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  262.821875][ T6435] Call Trace:
[  262.825202][ T6435]  <TASK>
[  262.828286][ T6435]  dump_stack_lvl+0x16c/0x230
[  262.833034][ T6435]  ? show_regs_print_info+0x20/0x20
[  262.838451][ T6435]  ? load_image+0x3b0/0x3b0
[  262.843129][ T6435]  sysfs_create_dir_ns+0x256/0x280
[  262.848481][ T6435]  ? sysfs_warn_dup+0xa0/0xa0
[  262.853467][ T6435]  ? do_raw_spin_unlock+0x121/0x230
[  262.859073][ T6435]  kobject_add_internal+0x6b8/0xc70
[  262.864439][ T6435]  kobject_init_and_add+0x126/0x190
[  262.870066][ T6435]  ? lockdep_softirqs_off+0x430/0x430
[  262.875759][ T6435]  ? kobject_add+0x220/0x220
[  262.880582][ T6435]  ? __init_swait_queue_head+0xa9/0x150
[  262.886558][ T6435]  gfs2_sys_fs_add+0x238/0x470
[  262.891672][ T6435]  ? gfs2_recover_set+0x250/0x250
[  262.896965][ T6435]  ? apply_workqueue_attrs+0x180/0x180
[  262.902929][ T6435]  gfs2_fill_super+0x1323/0x1f80
[  262.908195][ T6435]  ? gfs2_reconfigure+0xb10/0xb10
[  262.913366][ T6435]  ? setup_bdev_super+0x56b/0x660
[  262.918538][ T6435]  get_tree_bdev+0x3e4/0x510
[  262.923244][ T6435]  ? end_current_label_crit_section+0x170/0x170
[  262.929780][ T6435]  ? gfs2_reconfigure+0xb10/0xb10
[  262.935246][ T6435]  ? setup_bdev_super+0x660/0x660
[  262.940542][ T6435]  gfs2_get_tree+0x51/0x1e0
[  262.945568][ T6435]  vfs_get_tree+0x8c/0x280
[  262.950029][ T6435]  do_new_mount+0x24b/0xa40
[  262.954652][ T6435]  __se_sys_mount+0x2da/0x3c0
[  262.959351][ T6435]  ? __x64_sys_mount+0xc0/0xc0
[  262.964149][ T6435]  ? lockdep_hardirqs_on+0x98/0x150
[  262.969437][ T6435]  ? __x64_sys_mount+0x20/0xc0
[  262.974207][ T6435]  do_syscall_64+0x55/0xb0
[  262.978644][ T6435]  ? clear_bhb_loop+0x40/0x90
[  262.983347][ T6435]  ? clear_bhb_loop+0x40/0x90
[  262.988300][ T6435]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  262.994553][ T6435] RIP: 0033:0x7f0efb990eea
[  262.999064][ T6435] 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
[  263.018958][ T6435] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.027512][ T6435] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  263.035632][ T6435] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  263.043660][ T6435] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  263.051738][ T6435] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  263.060524][ T6435] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  263.068683][ T6435]  </TASK>
[  263.073829][ T6435] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.088703][ T6435] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  263.508286][ T6438] loop1: detected capacity change from 0 to 32768
[  263.528332][ T6438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  263.535964][ T6438] CPU: 1 PID: 6438 Comm: syz.1.172 Not tainted syzkaller #0
[  263.543478][ T6438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  263.554099][ T6438] Call Trace:
[  263.557433][ T6438]  <TASK>
[  263.560901][ T6438]  dump_stack_lvl+0x16c/0x230
[  263.565609][ T6438]  ? show_regs_print_info+0x20/0x20
[  263.570827][ T6438]  ? load_image+0x3b0/0x3b0
[  263.575381][ T6438]  sysfs_create_dir_ns+0x256/0x280
[  263.580959][ T6438]  ? sysfs_warn_dup+0xa0/0xa0
[  263.585861][ T6438]  ? do_raw_spin_unlock+0x121/0x230
[  263.591628][ T6438]  kobject_add_internal+0x6b8/0xc70
[  263.597042][ T6438]  kobject_init_and_add+0x126/0x190
[  263.602346][ T6438]  ? lockdep_softirqs_off+0x430/0x430
[  263.607736][ T6438]  ? kobject_add+0x220/0x220
[  263.612482][ T6438]  ? __init_swait_queue_head+0xa9/0x150
[  263.618436][ T6438]  gfs2_sys_fs_add+0x238/0x470
[  263.623679][ T6438]  ? gfs2_recover_set+0x250/0x250
[  263.628911][ T6438]  ? apply_workqueue_attrs+0x180/0x180
[  263.634485][ T6438]  gfs2_fill_super+0x1323/0x1f80
[  263.639720][ T6438]  ? gfs2_reconfigure+0xb10/0xb10
[  263.644782][ T6438]  ? setup_bdev_super+0x56b/0x660
[  263.649853][ T6438]  get_tree_bdev+0x3e4/0x510
[  263.654483][ T6438]  ? end_current_label_crit_section+0x170/0x170
[  263.660751][ T6438]  ? gfs2_reconfigure+0xb10/0xb10
[  263.665979][ T6438]  ? setup_bdev_super+0x660/0x660
[  263.671053][ T6438]  gfs2_get_tree+0x51/0x1e0
[  263.675607][ T6438]  vfs_get_tree+0x8c/0x280
[  263.680328][ T6438]  do_new_mount+0x24b/0xa40
[  263.684970][ T6438]  __se_sys_mount+0x2da/0x3c0
[  263.689685][ T6438]  ? __x64_sys_mount+0xc0/0xc0
[  263.694656][ T6438]  ? lockdep_hardirqs_on+0x98/0x150
[  263.699882][ T6438]  ? __x64_sys_mount+0x20/0xc0
[  263.704665][ T6438]  do_syscall_64+0x55/0xb0
[  263.709268][ T6438]  ? clear_bhb_loop+0x40/0x90
[  263.714341][ T6438]  ? clear_bhb_loop+0x40/0x90
[  263.719247][ T6438]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  263.725369][ T6438] RIP: 0033:0x7f0efb990eea
[  263.729993][ T6438] 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
[  263.750420][ T6438] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  263.759306][ T6438] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  263.767493][ T6438] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  263.775598][ T6438] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  263.784108][ T6438] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  263.792359][ T6438] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  263.800626][ T6438]  </TASK>
[  263.812955][ T6438] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  263.835093][ T6438] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.223785][ T6441] loop1: detected capacity change from 0 to 32768
[  264.241545][ T6441] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.249449][ T6441] CPU: 1 PID: 6441 Comm: syz.1.173 Not tainted syzkaller #0
[  264.256885][ T6441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  264.267516][ T6441] Call Trace:
[  264.270938][ T6441]  <TASK>
[  264.273922][ T6441]  dump_stack_lvl+0x16c/0x230
[  264.278663][ T6441]  ? show_regs_print_info+0x20/0x20
[  264.283954][ T6441]  ? load_image+0x3b0/0x3b0
[  264.288543][ T6441]  sysfs_create_dir_ns+0x256/0x280
[  264.293816][ T6441]  ? sysfs_warn_dup+0xa0/0xa0
[  264.298828][ T6441]  ? do_raw_spin_unlock+0x121/0x230
[  264.304362][ T6441]  kobject_add_internal+0x6b8/0xc70
[  264.309640][ T6441]  kobject_init_and_add+0x126/0x190
[  264.315068][ T6441]  ? lockdep_softirqs_off+0x430/0x430
[  264.320746][ T6441]  ? kobject_add+0x220/0x220
[  264.325575][ T6441]  ? __init_swait_queue_head+0xa9/0x150
[  264.331264][ T6441]  gfs2_sys_fs_add+0x238/0x470
[  264.336077][ T6441]  ? gfs2_recover_set+0x250/0x250
[  264.341162][ T6441]  ? apply_workqueue_attrs+0x180/0x180
[  264.346852][ T6441]  gfs2_fill_super+0x1323/0x1f80
[  264.351859][ T6441]  ? gfs2_reconfigure+0xb10/0xb10
[  264.356939][ T6441]  ? setup_bdev_super+0x56b/0x660
[  264.362152][ T6441]  get_tree_bdev+0x3e4/0x510
[  264.367005][ T6441]  ? end_current_label_crit_section+0x170/0x170
[  264.373353][ T6441]  ? gfs2_reconfigure+0xb10/0xb10
[  264.378786][ T6441]  ? setup_bdev_super+0x660/0x660
[  264.383960][ T6441]  gfs2_get_tree+0x51/0x1e0
[  264.388513][ T6441]  vfs_get_tree+0x8c/0x280
[  264.393115][ T6441]  do_new_mount+0x24b/0xa40
[  264.398008][ T6441]  __se_sys_mount+0x2da/0x3c0
[  264.402795][ T6441]  ? __x64_sys_mount+0xc0/0xc0
[  264.407746][ T6441]  ? lockdep_hardirqs_on+0x98/0x150
[  264.413231][ T6441]  ? __x64_sys_mount+0x20/0xc0
[  264.418123][ T6441]  do_syscall_64+0x55/0xb0
[  264.422708][ T6441]  ? clear_bhb_loop+0x40/0x90
[  264.427441][ T6441]  ? clear_bhb_loop+0x40/0x90
[  264.432217][ T6441]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  264.438273][ T6441] RIP: 0033:0x7f0efb990eea
[  264.442702][ T6441] 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
[  264.462326][ T6441] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  264.470955][ T6441] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  264.479415][ T6441] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  264.487757][ T6441] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  264.496097][ T6441] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  264.504611][ T6441] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  264.512984][ T6441]  </TASK>
[  264.517942][ T6441] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  264.533039][ T6441] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  264.972715][ T6444] loop1: detected capacity change from 0 to 32768
[  264.987276][ T6444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  264.994905][ T6444] CPU: 1 PID: 6444 Comm: syz.1.174 Not tainted syzkaller #0
[  265.002708][ T6444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  265.013081][ T6444] Call Trace:
[  265.016414][ T6444]  <TASK>
[  265.019444][ T6444]  dump_stack_lvl+0x16c/0x230
[  265.024149][ T6444]  ? show_regs_print_info+0x20/0x20
[  265.029371][ T6444]  ? load_image+0x3b0/0x3b0
[  265.033913][ T6444]  sysfs_create_dir_ns+0x256/0x280
[  265.039133][ T6444]  ? sysfs_warn_dup+0xa0/0xa0
[  265.043825][ T6444]  ? do_raw_spin_unlock+0x121/0x230
[  265.049045][ T6444]  kobject_add_internal+0x6b8/0xc70
[  265.054268][ T6444]  kobject_init_and_add+0x126/0x190
[  265.059583][ T6444]  ? lockdep_softirqs_off+0x430/0x430
[  265.065062][ T6444]  ? kobject_add+0x220/0x220
[  265.069772][ T6444]  ? __init_swait_queue_head+0xa9/0x150
[  265.075602][ T6444]  gfs2_sys_fs_add+0x238/0x470
[  265.080674][ T6444]  ? gfs2_recover_set+0x250/0x250
[  265.085805][ T6444]  ? apply_workqueue_attrs+0x180/0x180
[  265.091984][ T6444]  gfs2_fill_super+0x1323/0x1f80
[  265.097133][ T6444]  ? gfs2_reconfigure+0xb10/0xb10
[  265.102445][ T6444]  ? setup_bdev_super+0x56b/0x660
[  265.107569][ T6444]  get_tree_bdev+0x3e4/0x510
[  265.112178][ T6444]  ? end_current_label_crit_section+0x170/0x170
[  265.118453][ T6444]  ? gfs2_reconfigure+0xb10/0xb10
[  265.123505][ T6444]  ? setup_bdev_super+0x660/0x660
[  265.128648][ T6444]  gfs2_get_tree+0x51/0x1e0
[  265.133264][ T6444]  vfs_get_tree+0x8c/0x280
[  265.137784][ T6444]  do_new_mount+0x24b/0xa40
[  265.142313][ T6444]  __se_sys_mount+0x2da/0x3c0
[  265.147095][ T6444]  ? __x64_sys_mount+0xc0/0xc0
[  265.152048][ T6444]  ? lockdep_hardirqs_on+0x98/0x150
[  265.157260][ T6444]  ? __x64_sys_mount+0x20/0xc0
[  265.162477][ T6444]  do_syscall_64+0x55/0xb0
[  265.166910][ T6444]  ? clear_bhb_loop+0x40/0x90
[  265.171727][ T6444]  ? clear_bhb_loop+0x40/0x90
[  265.176446][ T6444]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  265.182452][ T6444] RIP: 0033:0x7f0efb990eea
[  265.187205][ T6444] 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
[  265.207275][ T6444] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.215815][ T6444] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  265.223974][ T6444] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  265.231957][ T6444] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  265.239942][ T6444] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  265.248104][ T6444] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  265.256189][ T6444]  </TASK>
[  265.266644][ T6444] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.281208][ T6444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  265.678634][ T6447] loop1: detected capacity change from 0 to 32768
[  265.695007][ T6447] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  265.706444][ T6447] CPU: 1 PID: 6447 Comm: syz.1.175 Not tainted syzkaller #0
[  265.713902][ T6447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  265.724018][ T6447] Call Trace:
[  265.727434][ T6447]  <TASK>
[  265.730400][ T6447]  dump_stack_lvl+0x16c/0x230
[  265.735152][ T6447]  ? show_regs_print_info+0x20/0x20
[  265.740399][ T6447]  ? load_image+0x3b0/0x3b0
[  265.744965][ T6447]  sysfs_create_dir_ns+0x256/0x280
[  265.750145][ T6447]  ? sysfs_warn_dup+0xa0/0xa0
[  265.754898][ T6447]  ? do_raw_spin_unlock+0x121/0x230
[  265.760244][ T6447]  kobject_add_internal+0x6b8/0xc70
[  265.765698][ T6447]  kobject_init_and_add+0x126/0x190
[  265.771037][ T6447]  ? lockdep_softirqs_off+0x430/0x430
[  265.776462][ T6447]  ? kobject_add+0x220/0x220
[  265.781199][ T6447]  ? __init_swait_queue_head+0xa9/0x150
[  265.786800][ T6447]  gfs2_sys_fs_add+0x238/0x470
[  265.791613][ T6447]  ? gfs2_recover_set+0x250/0x250
[  265.796950][ T6447]  ? apply_workqueue_attrs+0x180/0x180
[  265.802499][ T6447]  gfs2_fill_super+0x1323/0x1f80
[  265.807535][ T6447]  ? gfs2_reconfigure+0xb10/0xb10
[  265.812826][ T6447]  ? setup_bdev_super+0x56b/0x660
[  265.817979][ T6447]  get_tree_bdev+0x3e4/0x510
[  265.822778][ T6447]  ? end_current_label_crit_section+0x170/0x170
[  265.829273][ T6447]  ? gfs2_reconfigure+0xb10/0xb10
[  265.834489][ T6447]  ? setup_bdev_super+0x660/0x660
[  265.839619][ T6447]  gfs2_get_tree+0x51/0x1e0
[  265.844251][ T6447]  vfs_get_tree+0x8c/0x280
[  265.848684][ T6447]  do_new_mount+0x24b/0xa40
[  265.853452][ T6447]  __se_sys_mount+0x2da/0x3c0
[  265.858152][ T6447]  ? __x64_sys_mount+0xc0/0xc0
[  265.862967][ T6447]  ? lockdep_hardirqs_on+0x98/0x150
[  265.868300][ T6447]  ? __x64_sys_mount+0x20/0xc0
[  265.873181][ T6447]  do_syscall_64+0x55/0xb0
[  265.877684][ T6447]  ? clear_bhb_loop+0x40/0x90
[  265.882465][ T6447]  ? clear_bhb_loop+0x40/0x90
[  265.887173][ T6447]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  265.893162][ T6447] RIP: 0033:0x7f0efb990eea
[  265.897676][ T6447] 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
[  265.918367][ T6447] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  265.927143][ T6447] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  265.935311][ T6447] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  265.943354][ T6447] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  265.951429][ T6447] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  265.959584][ T6447] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  265.967718][ T6447]  </TASK>
[  265.979508][ T6447] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  265.995088][ T6447] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  266.454256][ T6450] loop1: detected capacity change from 0 to 32768
[  266.477863][ T6450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  266.509488][ T6450] CPU: 0 PID: 6450 Comm: syz.1.176 Not tainted syzkaller #0
[  266.516892][ T6450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  266.527242][ T6450] Call Trace:
[  266.530567][ T6450]  <TASK>
[  266.533813][ T6450]  dump_stack_lvl+0x16c/0x230
[  266.538641][ T6450]  ? show_regs_print_info+0x20/0x20
[  266.543966][ T6450]  ? load_image+0x3b0/0x3b0
[  266.548699][ T6450]  sysfs_create_dir_ns+0x256/0x280
[  266.553944][ T6450]  ? sysfs_warn_dup+0xa0/0xa0
[  266.558929][ T6450]  ? do_raw_spin_unlock+0x121/0x230
[  266.564165][ T6450]  kobject_add_internal+0x6b8/0xc70
[  266.569869][ T6450]  kobject_init_and_add+0x126/0x190
[  266.575278][ T6450]  ? lockdep_softirqs_off+0x430/0x430
[  266.580886][ T6450]  ? kobject_add+0x220/0x220
[  266.585567][ T6450]  ? __init_swait_queue_head+0xa9/0x150
[  266.591169][ T6450]  gfs2_sys_fs_add+0x238/0x470
[  266.595989][ T6450]  ? gfs2_recover_set+0x250/0x250
[  266.601066][ T6450]  ? apply_workqueue_attrs+0x180/0x180
[  266.606771][ T6450]  gfs2_fill_super+0x1323/0x1f80
[  266.612054][ T6450]  ? gfs2_reconfigure+0xb10/0xb10
[  266.617152][ T6450]  ? setup_bdev_super+0x56b/0x660
[  266.622484][ T6450]  get_tree_bdev+0x3e4/0x510
[  266.627136][ T6450]  ? end_current_label_crit_section+0x170/0x170
[  266.633531][ T6450]  ? gfs2_reconfigure+0xb10/0xb10
[  266.638633][ T6450]  ? setup_bdev_super+0x660/0x660
[  266.643733][ T6450]  gfs2_get_tree+0x51/0x1e0
[  266.648306][ T6450]  vfs_get_tree+0x8c/0x280
[  266.652870][ T6450]  do_new_mount+0x24b/0xa40
[  266.657555][ T6450]  __se_sys_mount+0x2da/0x3c0
[  266.662292][ T6450]  ? __x64_sys_mount+0xc0/0xc0
[  266.667103][ T6450]  ? lockdep_hardirqs_on+0x98/0x150
[  266.672429][ T6450]  ? __x64_sys_mount+0x20/0xc0
[  266.677394][ T6450]  do_syscall_64+0x55/0xb0
[  266.682111][ T6450]  ? clear_bhb_loop+0x40/0x90
[  266.686881][ T6450]  ? clear_bhb_loop+0x40/0x90
[  266.691607][ T6450]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  266.698081][ T6450] RIP: 0033:0x7f0efb990eea
[  266.702800][ T6450] 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
[  266.723206][ T6450] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  266.731669][ T6450] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  266.739854][ T6450] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  266.748047][ T6450] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  266.756510][ T6450] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  266.764809][ T6450] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  266.773236][ T6450]  </TASK>
[  266.790594][ T6450] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  266.806477][ T6450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  267.253556][ T6453] loop1: detected capacity change from 0 to 32768
[  267.272609][ T6453] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.280167][ T6453] CPU: 1 PID: 6453 Comm: syz.1.177 Not tainted syzkaller #0
[  267.287778][ T6453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  267.298240][ T6453] Call Trace:
[  267.301906][ T6453]  <TASK>
[  267.304870][ T6453]  dump_stack_lvl+0x16c/0x230
[  267.309620][ T6453]  ? show_regs_print_info+0x20/0x20
[  267.315050][ T6453]  ? load_image+0x3b0/0x3b0
[  267.319842][ T6453]  sysfs_create_dir_ns+0x256/0x280
[  267.325534][ T6453]  ? sysfs_warn_dup+0xa0/0xa0
[  267.330359][ T6453]  ? do_raw_spin_unlock+0x121/0x230
[  267.335613][ T6453]  kobject_add_internal+0x6b8/0xc70
[  267.340878][ T6453]  kobject_init_and_add+0x126/0x190
[  267.346124][ T6453]  ? lockdep_softirqs_off+0x430/0x430
[  267.351619][ T6453]  ? kobject_add+0x220/0x220
[  267.356326][ T6453]  ? __init_swait_queue_head+0xa9/0x150
[  267.362069][ T6453]  gfs2_sys_fs_add+0x238/0x470
[  267.366955][ T6453]  ? gfs2_recover_set+0x250/0x250
[  267.372351][ T6453]  ? apply_workqueue_attrs+0x180/0x180
[  267.378114][ T6453]  gfs2_fill_super+0x1323/0x1f80
[  267.383267][ T6453]  ? gfs2_reconfigure+0xb10/0xb10
[  267.388909][ T6453]  ? setup_bdev_super+0x56b/0x660
[  267.393953][ T6453]  get_tree_bdev+0x3e4/0x510
[  267.398998][ T6453]  ? end_current_label_crit_section+0x170/0x170
[  267.405342][ T6453]  ? gfs2_reconfigure+0xb10/0xb10
[  267.410388][ T6453]  ? setup_bdev_super+0x660/0x660
[  267.415526][ T6453]  gfs2_get_tree+0x51/0x1e0
[  267.420149][ T6453]  vfs_get_tree+0x8c/0x280
[  267.425179][ T6453]  do_new_mount+0x24b/0xa40
[  267.429893][ T6453]  __se_sys_mount+0x2da/0x3c0
[  267.434866][ T6453]  ? __x64_sys_mount+0xc0/0xc0
[  267.439942][ T6453]  ? lockdep_hardirqs_on+0x98/0x150
[  267.445155][ T6453]  ? __x64_sys_mount+0x20/0xc0
[  267.449932][ T6453]  do_syscall_64+0x55/0xb0
[  267.454457][ T6453]  ? clear_bhb_loop+0x40/0x90
[  267.459234][ T6453]  ? clear_bhb_loop+0x40/0x90
[  267.464044][ T6453]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  267.470138][ T6453] RIP: 0033:0x7f0efb990eea
[  267.474657][ T6453] 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
[  267.494824][ T6453] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  267.503268][ T6453] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  267.511691][ T6453] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  267.520032][ T6453] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  267.528020][ T6453] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  267.536449][ T6453] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  267.544451][ T6453]  </TASK>
[  267.553639][ T6453] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  267.571008][ T6453] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 15:09:07 executed programs: 163
[  267.962037][ T6456] loop1: detected capacity change from 0 to 32768
[  267.973223][ T6456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  267.980670][ T6456] CPU: 1 PID: 6456 Comm: syz.1.178 Not tainted syzkaller #0
[  267.987999][ T6456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  267.998453][ T6456] Call Trace:
[  268.001779][ T6456]  <TASK>
[  268.004750][ T6456]  dump_stack_lvl+0x16c/0x230
[  268.009578][ T6456]  ? show_regs_print_info+0x20/0x20
[  268.014934][ T6456]  ? load_image+0x3b0/0x3b0
[  268.019687][ T6456]  sysfs_create_dir_ns+0x256/0x280
[  268.024956][ T6456]  ? sysfs_warn_dup+0xa0/0xa0
[  268.029712][ T6456]  ? do_raw_spin_unlock+0x121/0x230
[  268.035124][ T6456]  kobject_add_internal+0x6b8/0xc70
[  268.040621][ T6456]  kobject_init_and_add+0x126/0x190
[  268.045843][ T6456]  ? lockdep_softirqs_off+0x430/0x430
[  268.051235][ T6456]  ? kobject_add+0x220/0x220
[  268.055945][ T6456]  ? __init_swait_queue_head+0xa9/0x150
[  268.061615][ T6456]  gfs2_sys_fs_add+0x238/0x470
[  268.066404][ T6456]  ? gfs2_recover_set+0x250/0x250
[  268.071637][ T6456]  ? apply_workqueue_attrs+0x180/0x180
[  268.077248][ T6456]  gfs2_fill_super+0x1323/0x1f80
[  268.082219][ T6456]  ? gfs2_reconfigure+0xb10/0xb10
[  268.087566][ T6456]  ? setup_bdev_super+0x56b/0x660
[  268.092801][ T6456]  get_tree_bdev+0x3e4/0x510
[  268.097413][ T6456]  ? end_current_label_crit_section+0x170/0x170
[  268.103766][ T6456]  ? gfs2_reconfigure+0xb10/0xb10
[  268.108813][ T6456]  ? setup_bdev_super+0x660/0x660
[  268.113866][ T6456]  gfs2_get_tree+0x51/0x1e0
[  268.118510][ T6456]  vfs_get_tree+0x8c/0x280
[  268.122987][ T6456]  do_new_mount+0x24b/0xa40
[  268.127611][ T6456]  __se_sys_mount+0x2da/0x3c0
[  268.132579][ T6456]  ? __x64_sys_mount+0xc0/0xc0
[  268.137443][ T6456]  ? lockdep_hardirqs_on+0x98/0x150
[  268.142657][ T6456]  ? __x64_sys_mount+0x20/0xc0
[  268.147437][ T6456]  do_syscall_64+0x55/0xb0
[  268.151866][ T6456]  ? clear_bhb_loop+0x40/0x90
[  268.156558][ T6456]  ? clear_bhb_loop+0x40/0x90
[  268.161430][ T6456]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  268.167637][ T6456] RIP: 0033:0x7f0efb990eea
[  268.172087][ T6456] 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
[  268.192006][ T6456] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.200824][ T6456] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  268.208857][ T6456] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  268.216864][ T6456] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  268.224938][ T6456] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  268.233196][ T6456] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  268.241409][ T6456]  </TASK>
[  268.250302][ T6456] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  268.265100][ T6456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  268.688349][ T6459] loop1: detected capacity change from 0 to 32768
[  268.704746][ T6459] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  268.712617][ T6459] CPU: 1 PID: 6459 Comm: syz.1.179 Not tainted syzkaller #0
[  268.720035][ T6459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  268.730487][ T6459] Call Trace:
[  268.733902][ T6459]  <TASK>
[  268.736882][ T6459]  dump_stack_lvl+0x16c/0x230
[  268.741638][ T6459]  ? show_regs_print_info+0x20/0x20
[  268.746901][ T6459]  ? load_image+0x3b0/0x3b0
[  268.751652][ T6459]  sysfs_create_dir_ns+0x256/0x280
[  268.756833][ T6459]  ? sysfs_warn_dup+0xa0/0xa0
[  268.761983][ T6459]  ? do_raw_spin_unlock+0x121/0x230
[  268.767285][ T6459]  kobject_add_internal+0x6b8/0xc70
[  268.773146][ T6459]  kobject_init_and_add+0x126/0x190
[  268.778565][ T6459]  ? lockdep_softirqs_off+0x430/0x430
[  268.783990][ T6459]  ? kobject_add+0x220/0x220
[  268.788710][ T6459]  ? __init_swait_queue_head+0xa9/0x150
[  268.794454][ T6459]  gfs2_sys_fs_add+0x238/0x470
[  268.799513][ T6459]  ? gfs2_recover_set+0x250/0x250
[  268.804581][ T6459]  ? apply_workqueue_attrs+0x180/0x180
[  268.810187][ T6459]  gfs2_fill_super+0x1323/0x1f80
[  268.815253][ T6459]  ? gfs2_reconfigure+0xb10/0xb10
[  268.820504][ T6459]  ? setup_bdev_super+0x56b/0x660
[  268.825822][ T6459]  get_tree_bdev+0x3e4/0x510
[  268.830735][ T6459]  ? end_current_label_crit_section+0x170/0x170
[  268.837380][ T6459]  ? gfs2_reconfigure+0xb10/0xb10
[  268.842446][ T6459]  ? setup_bdev_super+0x660/0x660
[  268.847613][ T6459]  gfs2_get_tree+0x51/0x1e0
[  268.852231][ T6459]  vfs_get_tree+0x8c/0x280
[  268.856669][ T6459]  do_new_mount+0x24b/0xa40
[  268.861198][ T6459]  __se_sys_mount+0x2da/0x3c0
[  268.865900][ T6459]  ? __x64_sys_mount+0xc0/0xc0
[  268.871434][ T6459]  ? lockdep_hardirqs_on+0x98/0x150
[  268.876960][ T6459]  ? __x64_sys_mount+0x20/0xc0
[  268.881932][ T6459]  do_syscall_64+0x55/0xb0
[  268.886627][ T6459]  ? clear_bhb_loop+0x40/0x90
[  268.891615][ T6459]  ? clear_bhb_loop+0x40/0x90
[  268.896336][ T6459]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  268.902261][ T6459] RIP: 0033:0x7f0efb990eea
[  268.906867][ T6459] 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
[  268.926942][ T6459] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  268.935397][ T6459] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  268.943489][ T6459] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  268.951667][ T6459] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  268.959679][ T6459] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  268.967751][ T6459] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  268.975858][ T6459]  </TASK>
[  268.999321][ T6459] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.016225][ T6459] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  269.405551][ T6462] loop1: detected capacity change from 0 to 32768
[  269.423862][ T6462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  269.435712][ T6462] CPU: 1 PID: 6462 Comm: syz.1.180 Not tainted syzkaller #0
[  269.443864][ T6462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  269.454149][ T6462] Call Trace:
[  269.457482][ T6462]  <TASK>
[  269.460546][ T6462]  dump_stack_lvl+0x16c/0x230
[  269.465541][ T6462]  ? show_regs_print_info+0x20/0x20
[  269.471226][ T6462]  ? load_image+0x3b0/0x3b0
[  269.475979][ T6462]  sysfs_create_dir_ns+0x256/0x280
[  269.481249][ T6462]  ? sysfs_warn_dup+0xa0/0xa0
[  269.486354][ T6462]  ? do_raw_spin_unlock+0x121/0x230
[  269.491623][ T6462]  kobject_add_internal+0x6b8/0xc70
[  269.497144][ T6462]  kobject_init_and_add+0x126/0x190
[  269.502489][ T6462]  ? lockdep_softirqs_off+0x430/0x430
[  269.508107][ T6462]  ? kobject_add+0x220/0x220
[  269.512912][ T6462]  ? __init_swait_queue_head+0xa9/0x150
[  269.518664][ T6462]  gfs2_sys_fs_add+0x238/0x470
[  269.523988][ T6462]  ? gfs2_recover_set+0x250/0x250
[  269.529065][ T6462]  ? apply_workqueue_attrs+0x180/0x180
[  269.534985][ T6462]  gfs2_fill_super+0x1323/0x1f80
[  269.540288][ T6462]  ? gfs2_reconfigure+0xb10/0xb10
[  269.545607][ T6462]  ? setup_bdev_super+0x56b/0x660
[  269.550852][ T6462]  get_tree_bdev+0x3e4/0x510
[  269.555561][ T6462]  ? end_current_label_crit_section+0x170/0x170
[  269.561949][ T6462]  ? gfs2_reconfigure+0xb10/0xb10
[  269.567187][ T6462]  ? setup_bdev_super+0x660/0x660
[  269.572548][ T6462]  gfs2_get_tree+0x51/0x1e0
[  269.577264][ T6462]  vfs_get_tree+0x8c/0x280
[  269.581816][ T6462]  do_new_mount+0x24b/0xa40
[  269.586398][ T6462]  __se_sys_mount+0x2da/0x3c0
[  269.591553][ T6462]  ? __x64_sys_mount+0xc0/0xc0
[  269.596866][ T6462]  ? lockdep_hardirqs_on+0x98/0x150
[  269.602449][ T6462]  ? __x64_sys_mount+0x20/0xc0
[  269.607430][ T6462]  do_syscall_64+0x55/0xb0
[  269.611874][ T6462]  ? clear_bhb_loop+0x40/0x90
[  269.616568][ T6462]  ? clear_bhb_loop+0x40/0x90
[  269.621352][ T6462]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  269.627256][ T6462] RIP: 0033:0x7f0efb990eea
[  269.631753][ T6462] 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
[  269.651719][ T6462] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  269.660260][ T6462] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  269.668683][ T6462] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  269.676845][ T6462] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  269.685003][ T6462] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  269.693097][ T6462] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  269.701192][ T6462]  </TASK>
[  269.709461][ T6462] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  269.733498][ T6462] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.118717][ T6465] loop1: detected capacity change from 0 to 32768
[  270.138152][ T6465] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.146527][ T6465] CPU: 0 PID: 6465 Comm: syz.1.181 Not tainted syzkaller #0
[  270.153921][ T6465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  270.164120][ T6465] Call Trace:
[  270.167536][ T6465]  <TASK>
[  270.170529][ T6465]  dump_stack_lvl+0x16c/0x230
[  270.175276][ T6465]  ? show_regs_print_info+0x20/0x20
[  270.180627][ T6465]  ? load_image+0x3b0/0x3b0
[  270.185197][ T6465]  sysfs_create_dir_ns+0x256/0x280
[  270.190633][ T6465]  ? sysfs_warn_dup+0xa0/0xa0
[  270.195555][ T6465]  ? do_raw_spin_unlock+0x121/0x230
[  270.201181][ T6465]  kobject_add_internal+0x6b8/0xc70
[  270.206433][ T6465]  kobject_init_and_add+0x126/0x190
[  270.211864][ T6465]  ? lockdep_softirqs_off+0x430/0x430
[  270.217345][ T6465]  ? kobject_add+0x220/0x220
[  270.222043][ T6465]  ? __init_swait_queue_head+0xa9/0x150
[  270.227613][ T6465]  gfs2_sys_fs_add+0x238/0x470
[  270.232482][ T6465]  ? gfs2_recover_set+0x250/0x250
[  270.237527][ T6465]  ? apply_workqueue_attrs+0x180/0x180
[  270.243098][ T6465]  gfs2_fill_super+0x1323/0x1f80
[  270.248191][ T6465]  ? gfs2_reconfigure+0xb10/0xb10
[  270.253272][ T6465]  ? setup_bdev_super+0x56b/0x660
[  270.258407][ T6465]  get_tree_bdev+0x3e4/0x510
[  270.263097][ T6465]  ? end_current_label_crit_section+0x170/0x170
[  270.269635][ T6465]  ? gfs2_reconfigure+0xb10/0xb10
[  270.274810][ T6465]  ? setup_bdev_super+0x660/0x660
[  270.279947][ T6465]  gfs2_get_tree+0x51/0x1e0
[  270.284501][ T6465]  vfs_get_tree+0x8c/0x280
[  270.289064][ T6465]  do_new_mount+0x24b/0xa40
[  270.293603][ T6465]  __se_sys_mount+0x2da/0x3c0
[  270.298741][ T6465]  ? __x64_sys_mount+0xc0/0xc0
[  270.303704][ T6465]  ? lockdep_hardirqs_on+0x98/0x150
[  270.309282][ T6465]  ? __x64_sys_mount+0x20/0xc0
[  270.314100][ T6465]  do_syscall_64+0x55/0xb0
[  270.318527][ T6465]  ? clear_bhb_loop+0x40/0x90
[  270.323218][ T6465]  ? clear_bhb_loop+0x40/0x90
[  270.327912][ T6465]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  270.333999][ T6465] RIP: 0033:0x7f0efb990eea
[  270.338431][ T6465] 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
[  270.358476][ T6465] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  270.367093][ T6465] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  270.375509][ T6465] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  270.383853][ T6465] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  270.392618][ T6465] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  270.402103][ T6465] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  270.410634][ T6465]  </TASK>
[  270.430247][ T6465] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  270.447109][ T6465] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  270.828141][ T6468] loop1: detected capacity change from 0 to 32768
[  270.845057][ T6468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  270.854919][ T6468] CPU: 1 PID: 6468 Comm: syz.1.182 Not tainted syzkaller #0
[  270.862274][ T6468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  270.872773][ T6468] Call Trace:
[  270.876196][ T6468]  <TASK>
[  270.879557][ T6468]  dump_stack_lvl+0x16c/0x230
[  270.884649][ T6468]  ? show_regs_print_info+0x20/0x20
[  270.890714][ T6468]  ? load_image+0x3b0/0x3b0
[  270.895629][ T6468]  sysfs_create_dir_ns+0x256/0x280
[  270.900863][ T6468]  ? sysfs_warn_dup+0xa0/0xa0
[  270.905812][ T6468]  ? do_raw_spin_unlock+0x121/0x230
[  270.911280][ T6468]  kobject_add_internal+0x6b8/0xc70
[  270.916618][ T6468]  kobject_init_and_add+0x126/0x190
[  270.921936][ T6468]  ? lockdep_softirqs_off+0x430/0x430
[  270.927341][ T6468]  ? kobject_add+0x220/0x220
[  270.932316][ T6468]  ? __init_swait_queue_head+0xa9/0x150
[  270.937975][ T6468]  gfs2_sys_fs_add+0x238/0x470
[  270.943296][ T6468]  ? gfs2_recover_set+0x250/0x250
[  270.948520][ T6468]  ? apply_workqueue_attrs+0x180/0x180
[  270.954089][ T6468]  gfs2_fill_super+0x1323/0x1f80
[  270.959240][ T6468]  ? gfs2_reconfigure+0xb10/0xb10
[  270.964477][ T6468]  ? setup_bdev_super+0x56b/0x660
[  270.969836][ T6468]  get_tree_bdev+0x3e4/0x510
[  270.974536][ T6468]  ? end_current_label_crit_section+0x170/0x170
[  270.980970][ T6468]  ? gfs2_reconfigure+0xb10/0xb10
[  270.986011][ T6468]  ? setup_bdev_super+0x660/0x660
[  270.991054][ T6468]  gfs2_get_tree+0x51/0x1e0
[  270.995683][ T6468]  vfs_get_tree+0x8c/0x280
[  271.000203][ T6468]  do_new_mount+0x24b/0xa40
[  271.004815][ T6468]  __se_sys_mount+0x2da/0x3c0
[  271.009597][ T6468]  ? __x64_sys_mount+0xc0/0xc0
[  271.014565][ T6468]  ? lockdep_hardirqs_on+0x98/0x150
[  271.019791][ T6468]  ? __x64_sys_mount+0x20/0xc0
[  271.024742][ T6468]  do_syscall_64+0x55/0xb0
[  271.029195][ T6468]  ? clear_bhb_loop+0x40/0x90
[  271.033887][ T6468]  ? clear_bhb_loop+0x40/0x90
[  271.038842][ T6468]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  271.044766][ T6468] RIP: 0033:0x7f0efb990eea
[  271.049374][ T6468] 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
[  271.069352][ T6468] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.077793][ T6468] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  271.085901][ T6468] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  271.093884][ T6468] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  271.102045][ T6468] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  271.110222][ T6468] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  271.118321][ T6468]  </TASK>
[  271.138678][ T6468] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.155733][ T6468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  271.566371][ T6471] loop1: detected capacity change from 0 to 32768
[  271.582172][ T6471] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  271.590076][ T6471] CPU: 0 PID: 6471 Comm: syz.1.183 Not tainted syzkaller #0
[  271.597840][ T6471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  271.608241][ T6471] Call Trace:
[  271.611745][ T6471]  <TASK>
[  271.614869][ T6471]  dump_stack_lvl+0x16c/0x230
[  271.619740][ T6471]  ? show_regs_print_info+0x20/0x20
[  271.625427][ T6471]  ? load_image+0x3b0/0x3b0
[  271.630063][ T6471]  sysfs_create_dir_ns+0x256/0x280
[  271.635521][ T6471]  ? sysfs_warn_dup+0xa0/0xa0
[  271.640999][ T6471]  ? do_raw_spin_unlock+0x121/0x230
[  271.646310][ T6471]  kobject_add_internal+0x6b8/0xc70
[  271.651530][ T6471]  kobject_init_and_add+0x126/0x190
[  271.656745][ T6471]  ? lockdep_softirqs_off+0x430/0x430
[  271.662217][ T6471]  ? kobject_add+0x220/0x220
[  271.666852][ T6471]  ? __init_swait_queue_head+0xa9/0x150
[  271.672518][ T6471]  gfs2_sys_fs_add+0x238/0x470
[  271.677298][ T6471]  ? gfs2_recover_set+0x250/0x250
[  271.682347][ T6471]  ? apply_workqueue_attrs+0x180/0x180
[  271.688009][ T6471]  gfs2_fill_super+0x1323/0x1f80
[  271.693154][ T6471]  ? gfs2_reconfigure+0xb10/0xb10
[  271.698384][ T6471]  ? setup_bdev_super+0x56b/0x660
[  271.703430][ T6471]  get_tree_bdev+0x3e4/0x510
[  271.708035][ T6471]  ? end_current_label_crit_section+0x170/0x170
[  271.714643][ T6471]  ? gfs2_reconfigure+0xb10/0xb10
[  271.719870][ T6471]  ? setup_bdev_super+0x660/0x660
[  271.724921][ T6471]  gfs2_get_tree+0x51/0x1e0
[  271.729565][ T6471]  vfs_get_tree+0x8c/0x280
[  271.734026][ T6471]  do_new_mount+0x24b/0xa40
[  271.738658][ T6471]  __se_sys_mount+0x2da/0x3c0
[  271.743453][ T6471]  ? __x64_sys_mount+0xc0/0xc0
[  271.748326][ T6471]  ? lockdep_hardirqs_on+0x98/0x150
[  271.753540][ T6471]  ? __x64_sys_mount+0x20/0xc0
[  271.758491][ T6471]  do_syscall_64+0x55/0xb0
[  271.763530][ T6471]  ? clear_bhb_loop+0x40/0x90
[  271.768221][ T6471]  ? clear_bhb_loop+0x40/0x90
[  271.772923][ T6471]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  271.779493][ T6471] RIP: 0033:0x7f0efb990eea
[  271.784027][ T6471] 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
[  271.803757][ T6471] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  271.812371][ T6471] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  271.820651][ T6471] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  271.828826][ T6471] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  271.836905][ T6471] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  271.845083][ T6471] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  271.853296][ T6471]  </TASK>
[  271.859988][ T6471] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  271.882200][ T6471] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  272.266586][ T6474] loop1: detected capacity change from 0 to 32768
[  272.280435][ T6474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  272.288708][ T6474] CPU: 0 PID: 6474 Comm: syz.1.184 Not tainted syzkaller #0
[  272.296174][ T6474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  272.306274][ T6474] Call Trace:
[  272.309598][ T6474]  <TASK>
[  272.312571][ T6474]  dump_stack_lvl+0x16c/0x230
[  272.317490][ T6474]  ? show_regs_print_info+0x20/0x20
[  272.322885][ T6474]  ? load_image+0x3b0/0x3b0
[  272.327571][ T6474]  sysfs_create_dir_ns+0x256/0x280
[  272.332748][ T6474]  ? sysfs_warn_dup+0xa0/0xa0
[  272.337574][ T6474]  ? do_raw_spin_unlock+0x121/0x230
[  272.342919][ T6474]  kobject_add_internal+0x6b8/0xc70
[  272.348240][ T6474]  kobject_init_and_add+0x126/0x190
[  272.353588][ T6474]  ? lockdep_softirqs_off+0x430/0x430
[  272.359359][ T6474]  ? kobject_add+0x220/0x220
[  272.364200][ T6474]  ? __init_swait_queue_head+0xa9/0x150
[  272.369932][ T6474]  gfs2_sys_fs_add+0x238/0x470
[  272.374842][ T6474]  ? gfs2_recover_set+0x250/0x250
[  272.380101][ T6474]  ? apply_workqueue_attrs+0x180/0x180
[  272.386151][ T6474]  gfs2_fill_super+0x1323/0x1f80
[  272.391422][ T6474]  ? gfs2_reconfigure+0xb10/0xb10
[  272.396688][ T6474]  ? setup_bdev_super+0x56b/0x660
[  272.401841][ T6474]  get_tree_bdev+0x3e4/0x510
[  272.406723][ T6474]  ? end_current_label_crit_section+0x170/0x170
[  272.413058][ T6474]  ? gfs2_reconfigure+0xb10/0xb10
[  272.418291][ T6474]  ? setup_bdev_super+0x660/0x660
[  272.423342][ T6474]  gfs2_get_tree+0x51/0x1e0
[  272.428131][ T6474]  vfs_get_tree+0x8c/0x280
[  272.432639][ T6474]  do_new_mount+0x24b/0xa40
[  272.437145][ T6474]  __se_sys_mount+0x2da/0x3c0
[  272.441835][ T6474]  ? __x64_sys_mount+0xc0/0xc0
[  272.446613][ T6474]  ? lockdep_hardirqs_on+0x98/0x150
[  272.451825][ T6474]  ? __x64_sys_mount+0x20/0xc0
[  272.456603][ T6474]  do_syscall_64+0x55/0xb0
[  272.461027][ T6474]  ? clear_bhb_loop+0x40/0x90
[  272.465725][ T6474]  ? clear_bhb_loop+0x40/0x90
[  272.470405][ T6474]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  272.476472][ T6474] RIP: 0033:0x7f0efb990eea
[  272.480895][ T6474] 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
[  272.500950][ T6474] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  272.509467][ T6474] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  272.517552][ T6474] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  272.525643][ T6474] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  272.533830][ T6474] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  272.542507][ T6474] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  272.550694][ T6474]  </TASK>
[  272.559131][ T6474] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  272.574313][ T6474] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 15:09:13 executed programs: 170
[  272.991485][ T6477] loop1: detected capacity change from 0 to 32768
[  273.011870][ T6477] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.019696][ T6477] CPU: 0 PID: 6477 Comm: syz.1.185 Not tainted syzkaller #0
[  273.027213][ T6477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  273.037405][ T6477] Call Trace:
[  273.041260][ T6477]  <TASK>
[  273.044504][ T6477]  dump_stack_lvl+0x16c/0x230
[  273.049244][ T6477]  ? show_regs_print_info+0x20/0x20
[  273.054586][ T6477]  ? load_image+0x3b0/0x3b0
[  273.059243][ T6477]  sysfs_create_dir_ns+0x256/0x280
[  273.064595][ T6477]  ? sysfs_warn_dup+0xa0/0xa0
[  273.069715][ T6477]  ? do_raw_spin_unlock+0x121/0x230
[  273.075071][ T6477]  kobject_add_internal+0x6b8/0xc70
[  273.080349][ T6477]  kobject_init_and_add+0x126/0x190
[  273.085674][ T6477]  ? lockdep_softirqs_off+0x430/0x430
[  273.091166][ T6477]  ? kobject_add+0x220/0x220
[  273.095831][ T6477]  ? __init_swait_queue_head+0xa9/0x150
[  273.101498][ T6477]  gfs2_sys_fs_add+0x238/0x470
[  273.106390][ T6477]  ? gfs2_recover_set+0x250/0x250
[  273.111531][ T6477]  ? apply_workqueue_attrs+0x180/0x180
[  273.117024][ T6477]  gfs2_fill_super+0x1323/0x1f80
[  273.121991][ T6477]  ? gfs2_reconfigure+0xb10/0xb10
[  273.127041][ T6477]  ? setup_bdev_super+0x56b/0x660
[  273.132431][ T6477]  get_tree_bdev+0x3e4/0x510
[  273.137207][ T6477]  ? end_current_label_crit_section+0x170/0x170
[  273.143750][ T6477]  ? gfs2_reconfigure+0xb10/0xb10
[  273.148910][ T6477]  ? setup_bdev_super+0x660/0x660
[  273.154064][ T6477]  gfs2_get_tree+0x51/0x1e0
[  273.158633][ T6477]  vfs_get_tree+0x8c/0x280
[  273.163070][ T6477]  do_new_mount+0x24b/0xa40
[  273.167679][ T6477]  __se_sys_mount+0x2da/0x3c0
[  273.172734][ T6477]  ? __x64_sys_mount+0xc0/0xc0
[  273.177783][ T6477]  ? lockdep_hardirqs_on+0x98/0x150
[  273.183087][ T6477]  ? __x64_sys_mount+0x20/0xc0
[  273.188071][ T6477]  do_syscall_64+0x55/0xb0
[  273.192595][ T6477]  ? clear_bhb_loop+0x40/0x90
[  273.197485][ T6477]  ? clear_bhb_loop+0x40/0x90
[  273.202348][ T6477]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  273.208466][ T6477] RIP: 0033:0x7f0efb990eea
[  273.212913][ T6477] 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
[  273.232801][ T6477] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.241333][ T6477] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  273.249491][ T6477] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  273.257478][ T6477] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  273.265551][ T6477] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  273.273842][ T6477] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  273.282068][ T6477]  </TASK>
[  273.292129][ T6477] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  273.306649][ T6477] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  273.563420][ T5081] Bluetooth: hci1: command 0x0406 tx timeout
[  273.717142][ T6480] loop1: detected capacity change from 0 to 32768
[  273.730423][ T6480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  273.738274][ T6480] CPU: 0 PID: 6480 Comm: syz.1.186 Not tainted syzkaller #0
[  273.745710][ T6480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  273.755984][ T6480] Call Trace:
[  273.759292][ T6480]  <TASK>
[  273.762324][ T6480]  dump_stack_lvl+0x16c/0x230
[  273.767147][ T6480]  ? show_regs_print_info+0x20/0x20
[  273.772398][ T6480]  ? load_image+0x3b0/0x3b0
[  273.776947][ T6480]  sysfs_create_dir_ns+0x256/0x280
[  273.782173][ T6480]  ? sysfs_warn_dup+0xa0/0xa0
[  273.787406][ T6480]  ? do_raw_spin_unlock+0x121/0x230
[  273.792905][ T6480]  kobject_add_internal+0x6b8/0xc70
[  273.798240][ T6480]  kobject_init_and_add+0x126/0x190
[  273.803459][ T6480]  ? lockdep_softirqs_off+0x430/0x430
[  273.808854][ T6480]  ? kobject_add+0x220/0x220
[  273.813570][ T6480]  ? __init_swait_queue_head+0xa9/0x150
[  273.819831][ T6480]  gfs2_sys_fs_add+0x238/0x470
[  273.824710][ T6480]  ? gfs2_recover_set+0x250/0x250
[  273.829974][ T6480]  ? apply_workqueue_attrs+0x180/0x180
[  273.835572][ T6480]  gfs2_fill_super+0x1323/0x1f80
[  273.840591][ T6480]  ? gfs2_reconfigure+0xb10/0xb10
[  273.845645][ T6480]  ? setup_bdev_super+0x56b/0x660
[  273.850696][ T6480]  get_tree_bdev+0x3e4/0x510
[  273.855323][ T6480]  ? end_current_label_crit_section+0x170/0x170
[  273.861786][ T6480]  ? gfs2_reconfigure+0xb10/0xb10
[  273.866848][ T6480]  ? setup_bdev_super+0x660/0x660
[  273.871980][ T6480]  gfs2_get_tree+0x51/0x1e0
[  273.876510][ T6480]  vfs_get_tree+0x8c/0x280
[  273.881201][ T6480]  do_new_mount+0x24b/0xa40
[  273.885904][ T6480]  __se_sys_mount+0x2da/0x3c0
[  273.890869][ T6480]  ? __x64_sys_mount+0xc0/0xc0
[  273.896000][ T6480]  ? lockdep_hardirqs_on+0x98/0x150
[  273.901518][ T6480]  ? __x64_sys_mount+0x20/0xc0
[  273.906559][ T6480]  do_syscall_64+0x55/0xb0
[  273.911160][ T6480]  ? clear_bhb_loop+0x40/0x90
[  273.915858][ T6480]  ? clear_bhb_loop+0x40/0x90
[  273.920729][ T6480]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  273.927073][ T6480] RIP: 0033:0x7f0efb990eea
[  273.931765][ T6480] 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
[  273.951924][ T6480] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  273.961424][ T6480] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  273.969604][ T6480] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  273.977662][ T6480] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  273.985994][ T6480] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  273.993983][ T6480] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  274.001985][ T6480]  </TASK>
[  274.010232][ T6480] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.025102][ T6480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  274.414115][ T6483] loop1: detected capacity change from 0 to 32768
[  274.429131][ T6483] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  274.436964][ T6483] CPU: 0 PID: 6483 Comm: syz.1.187 Not tainted syzkaller #0
[  274.444430][ T6483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  274.454713][ T6483] Call Trace:
[  274.458078][ T6483]  <TASK>
[  274.461050][ T6483]  dump_stack_lvl+0x16c/0x230
[  274.465804][ T6483]  ? show_regs_print_info+0x20/0x20
[  274.471157][ T6483]  ? load_image+0x3b0/0x3b0
[  274.475816][ T6483]  sysfs_create_dir_ns+0x256/0x280
[  274.481068][ T6483]  ? sysfs_warn_dup+0xa0/0xa0
[  274.485987][ T6483]  ? do_raw_spin_unlock+0x121/0x230
[  274.491450][ T6483]  kobject_add_internal+0x6b8/0xc70
[  274.497080][ T6483]  kobject_init_and_add+0x126/0x190
[  274.502340][ T6483]  ? lockdep_softirqs_off+0x430/0x430
[  274.508122][ T6483]  ? kobject_add+0x220/0x220
[  274.513212][ T6483]  ? __init_swait_queue_head+0xa9/0x150
[  274.519193][ T6483]  gfs2_sys_fs_add+0x238/0x470
[  274.524030][ T6483]  ? gfs2_recover_set+0x250/0x250
[  274.529574][ T6483]  ? apply_workqueue_attrs+0x180/0x180
[  274.535452][ T6483]  gfs2_fill_super+0x1323/0x1f80
[  274.540553][ T6483]  ? gfs2_reconfigure+0xb10/0xb10
[  274.545820][ T6483]  ? setup_bdev_super+0x56b/0x660
[  274.551064][ T6483]  get_tree_bdev+0x3e4/0x510
[  274.555866][ T6483]  ? end_current_label_crit_section+0x170/0x170
[  274.562335][ T6483]  ? gfs2_reconfigure+0xb10/0xb10
[  274.567462][ T6483]  ? setup_bdev_super+0x660/0x660
[  274.572523][ T6483]  gfs2_get_tree+0x51/0x1e0
[  274.577139][ T6483]  vfs_get_tree+0x8c/0x280
[  274.581580][ T6483]  do_new_mount+0x24b/0xa40
[  274.586371][ T6483]  __se_sys_mount+0x2da/0x3c0
[  274.591342][ T6483]  ? __x64_sys_mount+0xc0/0xc0
[  274.596308][ T6483]  ? lockdep_hardirqs_on+0x98/0x150
[  274.601716][ T6483]  ? __x64_sys_mount+0x20/0xc0
[  274.606695][ T6483]  do_syscall_64+0x55/0xb0
[  274.611224][ T6483]  ? clear_bhb_loop+0x40/0x90
[  274.616011][ T6483]  ? clear_bhb_loop+0x40/0x90
[  274.621218][ T6483]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  274.627126][ T6483] RIP: 0033:0x7f0efb990eea
[  274.631654][ T6483] 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
[  274.651802][ T6483] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.660462][ T6483] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  274.668556][ T6483] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  274.676633][ T6483] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  274.684636][ T6483] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  274.692713][ T6483] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  274.700974][ T6483]  </TASK>
[  274.714334][ T6483] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.729534][ T6483] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.145685][ T6486] loop1: detected capacity change from 0 to 32768
[  275.160208][ T6486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.169007][ T6486] CPU: 1 PID: 6486 Comm: syz.1.188 Not tainted syzkaller #0
[  275.176781][ T6486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  275.187054][ T6486] Call Trace:
[  275.190465][ T6486]  <TASK>
[  275.193525][ T6486]  dump_stack_lvl+0x16c/0x230
[  275.198462][ T6486]  ? show_regs_print_info+0x20/0x20
[  275.203969][ T6486]  ? load_image+0x3b0/0x3b0
[  275.208766][ T6486]  sysfs_create_dir_ns+0x256/0x280
[  275.214085][ T6486]  ? sysfs_warn_dup+0xa0/0xa0
[  275.219704][ T6486]  ? do_raw_spin_unlock+0x121/0x230
[  275.225494][ T6486]  kobject_add_internal+0x6b8/0xc70
[  275.231017][ T6486]  kobject_init_and_add+0x126/0x190
[  275.236453][ T6486]  ? lockdep_softirqs_off+0x430/0x430
[  275.242204][ T6486]  ? kobject_add+0x220/0x220
[  275.246997][ T6486]  ? __init_swait_queue_head+0xa9/0x150
[  275.252998][ T6486]  gfs2_sys_fs_add+0x238/0x470
[  275.258235][ T6486]  ? gfs2_recover_set+0x250/0x250
[  275.263544][ T6486]  ? apply_workqueue_attrs+0x180/0x180
[  275.269467][ T6486]  gfs2_fill_super+0x1323/0x1f80
[  275.274614][ T6486]  ? gfs2_reconfigure+0xb10/0xb10
[  275.279923][ T6486]  ? setup_bdev_super+0x56b/0x660
[  275.285464][ T6486]  get_tree_bdev+0x3e4/0x510
[  275.290347][ T6486]  ? end_current_label_crit_section+0x170/0x170
[  275.296781][ T6486]  ? gfs2_reconfigure+0xb10/0xb10
[  275.301907][ T6486]  ? setup_bdev_super+0x660/0x660
[  275.307214][ T6486]  gfs2_get_tree+0x51/0x1e0
[  275.311830][ T6486]  vfs_get_tree+0x8c/0x280
[  275.316263][ T6486]  do_new_mount+0x24b/0xa40
[  275.320926][ T6486]  __se_sys_mount+0x2da/0x3c0
[  275.325622][ T6486]  ? __x64_sys_mount+0xc0/0xc0
[  275.330577][ T6486]  ? lockdep_hardirqs_on+0x98/0x150
[  275.335891][ T6486]  ? __x64_sys_mount+0x20/0xc0
[  275.340938][ T6486]  do_syscall_64+0x55/0xb0
[  275.345364][ T6486]  ? clear_bhb_loop+0x40/0x90
[  275.350177][ T6486]  ? clear_bhb_loop+0x40/0x90
[  275.354891][ T6486]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  275.361670][ T6486] RIP: 0033:0x7f0efb990eea
[  275.366269][ T6486] 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
[  275.386609][ T6486] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.395407][ T6486] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  275.403580][ T6486] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  275.411915][ T6486] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  275.420275][ T6486] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  275.428385][ T6486] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  275.436653][ T6486]  </TASK>
[  275.441360][ T6486] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.457098][ T6486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.865224][ T6489] loop1: detected capacity change from 0 to 32768
[  275.878715][ T6489] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.890073][ T6489] CPU: 1 PID: 6489 Comm: syz.1.189 Not tainted syzkaller #0
[  275.897442][ T6489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  275.907804][ T6489] Call Trace:
[  275.911129][ T6489]  <TASK>
[  275.914384][ T6489]  dump_stack_lvl+0x16c/0x230
[  275.919134][ T6489]  ? show_regs_print_info+0x20/0x20
[  275.924494][ T6489]  ? load_image+0x3b0/0x3b0
[  275.929064][ T6489]  sysfs_create_dir_ns+0x256/0x280
[  275.934225][ T6489]  ? sysfs_warn_dup+0xa0/0xa0
[  275.938946][ T6489]  ? do_raw_spin_unlock+0x121/0x230
[  275.944188][ T6489]  kobject_add_internal+0x6b8/0xc70
[  275.949454][ T6489]  kobject_init_and_add+0x126/0x190
[  275.954895][ T6489]  ? lockdep_softirqs_off+0x430/0x430
[  275.960503][ T6489]  ? kobject_add+0x220/0x220
[  275.965337][ T6489]  ? __init_swait_queue_head+0xa9/0x150
[  275.971201][ T6489]  gfs2_sys_fs_add+0x238/0x470
[  275.976102][ T6489]  ? gfs2_recover_set+0x250/0x250
[  275.981273][ T6489]  ? apply_workqueue_attrs+0x180/0x180
[  275.986794][ T6489]  gfs2_fill_super+0x1323/0x1f80
[  275.991892][ T6489]  ? gfs2_reconfigure+0xb10/0xb10
[  275.997064][ T6489]  ? setup_bdev_super+0x56b/0x660
[  276.002221][ T6489]  get_tree_bdev+0x3e4/0x510
[  276.006930][ T6489]  ? end_current_label_crit_section+0x170/0x170
[  276.013198][ T6489]  ? gfs2_reconfigure+0xb10/0xb10
[  276.018236][ T6489]  ? setup_bdev_super+0x660/0x660
[  276.023458][ T6489]  gfs2_get_tree+0x51/0x1e0
[  276.027999][ T6489]  vfs_get_tree+0x8c/0x280
[  276.032427][ T6489]  do_new_mount+0x24b/0xa40
[  276.037275][ T6489]  __se_sys_mount+0x2da/0x3c0
[  276.042277][ T6489]  ? __x64_sys_mount+0xc0/0xc0
[  276.047074][ T6489]  ? lockdep_hardirqs_on+0x98/0x150
[  276.052452][ T6489]  ? __x64_sys_mount+0x20/0xc0
[  276.057339][ T6489]  do_syscall_64+0x55/0xb0
[  276.062473][ T6489]  ? clear_bhb_loop+0x40/0x90
[  276.067166][ T6489]  ? clear_bhb_loop+0x40/0x90
[  276.072114][ T6489]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  276.078102][ T6489] RIP: 0033:0x7f0efb990eea
[  276.082708][ T6489] 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
[  276.103023][ T6489] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.111700][ T6489] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  276.119868][ T6489] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  276.127947][ T6489] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  276.136119][ T6489] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  276.144553][ T6489] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  276.152903][ T6489]  </TASK>
[  276.157570][ T6489] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.172348][ T6489] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.593305][ T6492] loop1: detected capacity change from 0 to 32768
[  276.608403][ T6492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.616653][ T6492] CPU: 0 PID: 6492 Comm: syz.1.190 Not tainted syzkaller #0
[  276.624187][ T6492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  276.634634][ T6492] Call Trace:
[  276.638216][ T6492]  <TASK>
[  276.641290][ T6492]  dump_stack_lvl+0x16c/0x230
[  276.646027][ T6492]  ? show_regs_print_info+0x20/0x20
[  276.651379][ T6492]  ? load_image+0x3b0/0x3b0
[  276.656144][ T6492]  sysfs_create_dir_ns+0x256/0x280
[  276.661315][ T6492]  ? sysfs_warn_dup+0xa0/0xa0
[  276.666585][ T6492]  ? do_raw_spin_unlock+0x121/0x230
[  276.672020][ T6492]  kobject_add_internal+0x6b8/0xc70
[  276.677360][ T6492]  kobject_init_and_add+0x126/0x190
[  276.682612][ T6492]  ? lockdep_softirqs_off+0x430/0x430
[  276.688156][ T6492]  ? kobject_add+0x220/0x220
[  276.692981][ T6492]  ? __init_swait_queue_head+0xa9/0x150
[  276.699022][ T6492]  gfs2_sys_fs_add+0x238/0x470
[  276.703942][ T6492]  ? gfs2_recover_set+0x250/0x250
[  276.709045][ T6492]  ? apply_workqueue_attrs+0x180/0x180
[  276.714667][ T6492]  gfs2_fill_super+0x1323/0x1f80
[  276.719676][ T6492]  ? gfs2_reconfigure+0xb10/0xb10
[  276.724972][ T6492]  ? setup_bdev_super+0x56b/0x660
[  276.730057][ T6492]  get_tree_bdev+0x3e4/0x510
[  276.734699][ T6492]  ? end_current_label_crit_section+0x170/0x170
[  276.740987][ T6492]  ? gfs2_reconfigure+0xb10/0xb10
[  276.746138][ T6492]  ? setup_bdev_super+0x660/0x660
[  276.751221][ T6492]  gfs2_get_tree+0x51/0x1e0
[  276.756091][ T6492]  vfs_get_tree+0x8c/0x280
[  276.760705][ T6492]  do_new_mount+0x24b/0xa40
[  276.765413][ T6492]  __se_sys_mount+0x2da/0x3c0
[  276.770206][ T6492]  ? __x64_sys_mount+0xc0/0xc0
[  276.775168][ T6492]  ? lockdep_hardirqs_on+0x98/0x150
[  276.780655][ T6492]  ? __x64_sys_mount+0x20/0xc0
[  276.785502][ T6492]  do_syscall_64+0x55/0xb0
[  276.790040][ T6492]  ? clear_bhb_loop+0x40/0x90
[  276.795233][ T6492]  ? clear_bhb_loop+0x40/0x90
[  276.800047][ T6492]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  276.805960][ T6492] RIP: 0033:0x7f0efb990eea
[  276.810485][ T6492] 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
[  276.830385][ T6492] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.839067][ T6492] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  276.847168][ T6492] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  276.855850][ T6492] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  276.863844][ T6492] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  276.871922][ T6492] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  276.880023][ T6492]  </TASK>
[  276.886124][ T6492] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.901546][ T6492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.335583][ T6495] loop1: detected capacity change from 0 to 32768
[  277.354235][ T6495] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.362173][ T6495] CPU: 1 PID: 6495 Comm: syz.1.191 Not tainted syzkaller #0
[  277.369670][ T6495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  277.379948][ T6495] Call Trace:
[  277.383456][ T6495]  <TASK>
[  277.386440][ T6495]  dump_stack_lvl+0x16c/0x230
[  277.391370][ T6495]  ? show_regs_print_info+0x20/0x20
[  277.397503][ T6495]  ? load_image+0x3b0/0x3b0
[  277.402244][ T6495]  sysfs_create_dir_ns+0x256/0x280
[  277.407886][ T6495]  ? sysfs_warn_dup+0xa0/0xa0
[  277.412612][ T6495]  ? do_raw_spin_unlock+0x121/0x230
[  277.418388][ T6495]  kobject_add_internal+0x6b8/0xc70
[  277.423771][ T6495]  kobject_init_and_add+0x126/0x190
[  277.429205][ T6495]  ? lockdep_softirqs_off+0x430/0x430
[  277.434645][ T6495]  ? kobject_add+0x220/0x220
[  277.439305][ T6495]  ? __init_swait_queue_head+0xa9/0x150
[  277.444901][ T6495]  gfs2_sys_fs_add+0x238/0x470
[  277.449716][ T6495]  ? gfs2_recover_set+0x250/0x250
[  277.454833][ T6495]  ? apply_workqueue_attrs+0x180/0x180
[  277.460451][ T6495]  gfs2_fill_super+0x1323/0x1f80
[  277.465537][ T6495]  ? gfs2_reconfigure+0xb10/0xb10
[  277.470624][ T6495]  ? setup_bdev_super+0x56b/0x660
[  277.475779][ T6495]  get_tree_bdev+0x3e4/0x510
[  277.480489][ T6495]  ? end_current_label_crit_section+0x170/0x170
[  277.487007][ T6495]  ? gfs2_reconfigure+0xb10/0xb10
[  277.492323][ T6495]  ? setup_bdev_super+0x660/0x660
[  277.497467][ T6495]  gfs2_get_tree+0x51/0x1e0
[  277.502007][ T6495]  vfs_get_tree+0x8c/0x280
[  277.506458][ T6495]  do_new_mount+0x24b/0xa40
[  277.510980][ T6495]  __se_sys_mount+0x2da/0x3c0
[  277.515673][ T6495]  ? __x64_sys_mount+0xc0/0xc0
[  277.520442][ T6495]  ? lockdep_hardirqs_on+0x98/0x150
[  277.525768][ T6495]  ? __x64_sys_mount+0x20/0xc0
[  277.530564][ T6495]  do_syscall_64+0x55/0xb0
[  277.535029][ T6495]  ? clear_bhb_loop+0x40/0x90
[  277.539935][ T6495]  ? clear_bhb_loop+0x40/0x90
[  277.544632][ T6495]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  277.550561][ T6495] RIP: 0033:0x7f0efb990eea
[  277.554983][ T6495] 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
[  277.575143][ T6495] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.583571][ T6495] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  277.591546][ T6495] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  277.599975][ T6495] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  277.608323][ T6495] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  277.616415][ T6495] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  277.624487][ T6495]  </TASK>
[  277.629666][ T6495] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.644502][ T6495] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/03 15:09:18 executed programs: 177
[  278.092006][ T6498] loop1: detected capacity change from 0 to 32768
[  278.106689][ T6498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.121724][ T6498] CPU: 1 PID: 6498 Comm: syz.1.192 Not tainted syzkaller #0
[  278.129442][ T6498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.139714][ T6498] Call Trace:
[  278.143044][ T6498]  <TASK>
[  278.146013][ T6498]  dump_stack_lvl+0x16c/0x230
[  278.150760][ T6498]  ? show_regs_print_info+0x20/0x20
[  278.156166][ T6498]  ? load_image+0x3b0/0x3b0
[  278.160741][ T6498]  sysfs_create_dir_ns+0x256/0x280
[  278.165999][ T6498]  ? sysfs_warn_dup+0xa0/0xa0
[  278.170827][ T6498]  ? do_raw_spin_unlock+0x121/0x230
[  278.176086][ T6498]  kobject_add_internal+0x6b8/0xc70
[  278.181379][ T6498]  kobject_init_and_add+0x126/0x190
[  278.186660][ T6498]  ? lockdep_softirqs_off+0x430/0x430
[  278.192230][ T6498]  ? kobject_add+0x220/0x220
[  278.196925][ T6498]  ? __init_swait_queue_head+0xa9/0x150
[  278.202484][ T6498]  gfs2_sys_fs_add+0x238/0x470
[  278.207363][ T6498]  ? gfs2_recover_set+0x250/0x250
[  278.212415][ T6498]  ? apply_workqueue_attrs+0x180/0x180
[  278.217983][ T6498]  gfs2_fill_super+0x1323/0x1f80
[  278.223223][ T6498]  ? gfs2_reconfigure+0xb10/0xb10
[  278.228274][ T6498]  ? setup_bdev_super+0x56b/0x660
[  278.233497][ T6498]  get_tree_bdev+0x3e4/0x510
[  278.238196][ T6498]  ? end_current_label_crit_section+0x170/0x170
[  278.244575][ T6498]  ? gfs2_reconfigure+0xb10/0xb10
[  278.249703][ T6498]  ? setup_bdev_super+0x660/0x660
[  278.254759][ T6498]  gfs2_get_tree+0x51/0x1e0
[  278.259279][ T6498]  vfs_get_tree+0x8c/0x280
[  278.263709][ T6498]  do_new_mount+0x24b/0xa40
[  278.268502][ T6498]  __se_sys_mount+0x2da/0x3c0
[  278.273328][ T6498]  ? __x64_sys_mount+0xc0/0xc0
[  278.278311][ T6498]  ? lockdep_hardirqs_on+0x98/0x150
[  278.283841][ T6498]  ? __x64_sys_mount+0x20/0xc0
[  278.288900][ T6498]  do_syscall_64+0x55/0xb0
[  278.293422][ T6498]  ? clear_bhb_loop+0x40/0x90
[  278.298489][ T6498]  ? clear_bhb_loop+0x40/0x90
[  278.303270][ T6498]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  278.309433][ T6498] RIP: 0033:0x7f0efb990eea
[  278.314038][ T6498] 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
[  278.334271][ T6498] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.342847][ T6498] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  278.351380][ T6498] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  278.359451][ T6498] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  278.367439][ T6498] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  278.375454][ T6498] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  278.383702][ T6498]  </TASK>
[  278.394419][ T6498] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.410175][ T6498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.795205][ T6501] loop1: detected capacity change from 0 to 32768
[  278.814679][ T6501] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.822513][ T6501] CPU: 0 PID: 6501 Comm: syz.1.193 Not tainted syzkaller #0
[  278.829950][ T6501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.840403][ T6501] Call Trace:
[  278.843738][ T6501]  <TASK>
[  278.846716][ T6501]  dump_stack_lvl+0x16c/0x230
[  278.851452][ T6501]  ? show_regs_print_info+0x20/0x20
[  278.856870][ T6501]  ? load_image+0x3b0/0x3b0
[  278.861605][ T6501]  sysfs_create_dir_ns+0x256/0x280
[  278.866944][ T6501]  ? sysfs_warn_dup+0xa0/0xa0
[  278.871762][ T6501]  ? do_raw_spin_unlock+0x121/0x230
[  278.877013][ T6501]  kobject_add_internal+0x6b8/0xc70
[  278.882367][ T6501]  kobject_init_and_add+0x126/0x190
[  278.887825][ T6501]  ? lockdep_softirqs_off+0x430/0x430
[  278.893410][ T6501]  ? kobject_add+0x220/0x220
[  278.898377][ T6501]  ? __init_swait_queue_head+0xa9/0x150
[  278.904112][ T6501]  gfs2_sys_fs_add+0x238/0x470
[  278.908985][ T6501]  ? gfs2_recover_set+0x250/0x250
[  278.914031][ T6501]  ? apply_workqueue_attrs+0x180/0x180
[  278.919785][ T6501]  gfs2_fill_super+0x1323/0x1f80
[  278.925284][ T6501]  ? gfs2_reconfigure+0xb10/0xb10
[  278.930438][ T6501]  ? setup_bdev_super+0x56b/0x660
[  278.935740][ T6501]  get_tree_bdev+0x3e4/0x510
[  278.940464][ T6501]  ? end_current_label_crit_section+0x170/0x170
[  278.946895][ T6501]  ? gfs2_reconfigure+0xb10/0xb10
[  278.952197][ T6501]  ? setup_bdev_super+0x660/0x660
[  278.957425][ T6501]  gfs2_get_tree+0x51/0x1e0
[  278.962045][ T6501]  vfs_get_tree+0x8c/0x280
[  278.966742][ T6501]  do_new_mount+0x24b/0xa40
[  278.971527][ T6501]  __se_sys_mount+0x2da/0x3c0
[  278.976228][ T6501]  ? __x64_sys_mount+0xc0/0xc0
[  278.981100][ T6501]  ? lockdep_hardirqs_on+0x98/0x150
[  278.986527][ T6501]  ? __x64_sys_mount+0x20/0xc0
[  278.991590][ T6501]  do_syscall_64+0x55/0xb0
[  278.996041][ T6501]  ? clear_bhb_loop+0x40/0x90
[  279.000943][ T6501]  ? clear_bhb_loop+0x40/0x90
[  279.005768][ T6501]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  279.011691][ T6501] RIP: 0033:0x7f0efb990eea
[  279.016261][ T6501] 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
[  279.036756][ T6501] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.045378][ T6501] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  279.053630][ T6501] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  279.061621][ T6501] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  279.069690][ T6501] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  279.077673][ T6501] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  279.085862][ T6501]  </TASK>
[  279.102610][ T6501] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.117859][ T6501] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.547836][ T6504] loop1: detected capacity change from 0 to 32768
[  279.566459][ T6504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.574313][ T6504] CPU: 1 PID: 6504 Comm: syz.1.194 Not tainted syzkaller #0
[  279.581824][ T6504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  279.592547][ T6504] Call Trace:
[  279.596166][ T6504]  <TASK>
[  279.599577][ T6504]  dump_stack_lvl+0x16c/0x230
[  279.604510][ T6504]  ? show_regs_print_info+0x20/0x20
[  279.609772][ T6504]  ? load_image+0x3b0/0x3b0
[  279.614337][ T6504]  sysfs_create_dir_ns+0x256/0x280
[  279.619593][ T6504]  ? sysfs_warn_dup+0xa0/0xa0
[  279.624511][ T6504]  ? do_raw_spin_unlock+0x121/0x230
[  279.629787][ T6504]  kobject_add_internal+0x6b8/0xc70
[  279.635065][ T6504]  kobject_init_and_add+0x126/0x190
[  279.640315][ T6504]  ? lockdep_softirqs_off+0x430/0x430
[  279.645838][ T6504]  ? kobject_add+0x220/0x220
[  279.650671][ T6504]  ? __init_swait_queue_head+0xa9/0x150
[  279.656373][ T6504]  gfs2_sys_fs_add+0x238/0x470
[  279.661280][ T6504]  ? gfs2_recover_set+0x250/0x250
[  279.666385][ T6504]  ? apply_workqueue_attrs+0x180/0x180
[  279.671997][ T6504]  gfs2_fill_super+0x1323/0x1f80
[  279.677033][ T6504]  ? gfs2_reconfigure+0xb10/0xb10
[  279.682479][ T6504]  ? setup_bdev_super+0x56b/0x660
[  279.687559][ T6504]  get_tree_bdev+0x3e4/0x510
[  279.692347][ T6504]  ? end_current_label_crit_section+0x170/0x170
[  279.698881][ T6504]  ? gfs2_reconfigure+0xb10/0xb10
[  279.704021][ T6504]  ? setup_bdev_super+0x660/0x660
[  279.709332][ T6504]  gfs2_get_tree+0x51/0x1e0
[  279.714341][ T6504]  vfs_get_tree+0x8c/0x280
[  279.718784][ T6504]  do_new_mount+0x24b/0xa40
[  279.723391][ T6504]  __se_sys_mount+0x2da/0x3c0
[  279.728347][ T6504]  ? __x64_sys_mount+0xc0/0xc0
[  279.733165][ T6504]  ? lockdep_hardirqs_on+0x98/0x150
[  279.738642][ T6504]  ? __x64_sys_mount+0x20/0xc0
[  279.743513][ T6504]  do_syscall_64+0x55/0xb0
[  279.748026][ T6504]  ? clear_bhb_loop+0x40/0x90
[  279.753024][ T6504]  ? clear_bhb_loop+0x40/0x90
[  279.757716][ T6504]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  279.764054][ T6504] RIP: 0033:0x7f0efb990eea
[  279.768575][ T6504] 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
[  279.788562][ T6504] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.797198][ T6504] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  279.805416][ T6504] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  279.813504][ T6504] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  279.821497][ T6504] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  279.829831][ T6504] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  279.838002][ T6504]  </TASK>
[  279.847963][ T6504] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.862807][ T6504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.297038][ T6507] loop1: detected capacity change from 0 to 32768
[  280.311892][ T6507] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.319875][ T6507] CPU: 0 PID: 6507 Comm: syz.1.195 Not tainted syzkaller #0
[  280.327656][ T6507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.337849][ T6507] Call Trace:
[  280.341363][ T6507]  <TASK>
[  280.344687][ T6507]  dump_stack_lvl+0x16c/0x230
[  280.349429][ T6507]  ? show_regs_print_info+0x20/0x20
[  280.354728][ T6507]  ? load_image+0x3b0/0x3b0
[  280.359313][ T6507]  sysfs_create_dir_ns+0x256/0x280
[  280.364666][ T6507]  ? sysfs_warn_dup+0xa0/0xa0
[  280.369572][ T6507]  ? do_raw_spin_unlock+0x121/0x230
[  280.374922][ T6507]  kobject_add_internal+0x6b8/0xc70
[  280.380463][ T6507]  kobject_init_and_add+0x126/0x190
[  280.385992][ T6507]  ? lockdep_softirqs_off+0x430/0x430
[  280.391638][ T6507]  ? kobject_add+0x220/0x220
[  280.396623][ T6507]  ? __init_swait_queue_head+0xa9/0x150
[  280.402572][ T6507]  gfs2_sys_fs_add+0x238/0x470
[  280.407395][ T6507]  ? gfs2_recover_set+0x250/0x250
[  280.412564][ T6507]  ? apply_workqueue_attrs+0x180/0x180
[  280.418434][ T6507]  gfs2_fill_super+0x1323/0x1f80
[  280.423511][ T6507]  ? gfs2_reconfigure+0xb10/0xb10
[  280.428741][ T6507]  ? setup_bdev_super+0x56b/0x660
[  280.433875][ T6507]  get_tree_bdev+0x3e4/0x510
[  280.438569][ T6507]  ? end_current_label_crit_section+0x170/0x170
[  280.445223][ T6507]  ? gfs2_reconfigure+0xb10/0xb10
[  280.450354][ T6507]  ? setup_bdev_super+0x660/0x660
[  280.455402][ T6507]  gfs2_get_tree+0x51/0x1e0
[  280.460104][ T6507]  vfs_get_tree+0x8c/0x280
[  280.464533][ T6507]  do_new_mount+0x24b/0xa40
[  280.469056][ T6507]  __se_sys_mount+0x2da/0x3c0
[  280.474225][ T6507]  ? __x64_sys_mount+0xc0/0xc0
[  280.479174][ T6507]  ? lockdep_hardirqs_on+0x98/0x150
[  280.484408][ T6507]  ? __x64_sys_mount+0x20/0xc0
[  280.489391][ T6507]  do_syscall_64+0x55/0xb0
[  280.494014][ T6507]  ? clear_bhb_loop+0x40/0x90
[  280.498801][ T6507]  ? clear_bhb_loop+0x40/0x90
[  280.503738][ T6507]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  280.509818][ T6507] RIP: 0033:0x7f0efb990eea
[  280.514358][ T6507] 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
[  280.534420][ T6507] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.542958][ T6507] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  280.551051][ T6507] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  280.559164][ T6507] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  280.567599][ T6507] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  280.575853][ T6507] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  280.584166][ T6507]  </TASK>
[  280.596537][ T6507] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.614559][ T6507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.033206][ T6510] loop1: detected capacity change from 0 to 32768
[  281.047101][ T6510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.057953][ T6510] CPU: 0 PID: 6510 Comm: syz.1.196 Not tainted syzkaller #0
[  281.065506][ T6510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.075691][ T6510] Call Trace:
[  281.079108][ T6510]  <TASK>
[  281.082117][ T6510]  dump_stack_lvl+0x16c/0x230
[  281.086954][ T6510]  ? show_regs_print_info+0x20/0x20
[  281.092382][ T6510]  ? load_image+0x3b0/0x3b0
[  281.097040][ T6510]  sysfs_create_dir_ns+0x256/0x280
[  281.102296][ T6510]  ? sysfs_warn_dup+0xa0/0xa0
[  281.107227][ T6510]  ? do_raw_spin_unlock+0x121/0x230
[  281.112647][ T6510]  kobject_add_internal+0x6b8/0xc70
[  281.117997][ T6510]  kobject_init_and_add+0x126/0x190
[  281.123245][ T6510]  ? lockdep_softirqs_off+0x430/0x430
[  281.128668][ T6510]  ? kobject_add+0x220/0x220
[  281.133495][ T6510]  ? __init_swait_queue_head+0xa9/0x150
[  281.139184][ T6510]  gfs2_sys_fs_add+0x238/0x470
[  281.144180][ T6510]  ? gfs2_recover_set+0x250/0x250
[  281.149884][ T6510]  ? apply_workqueue_attrs+0x180/0x180
[  281.155656][ T6510]  gfs2_fill_super+0x1323/0x1f80
[  281.160829][ T6510]  ? gfs2_reconfigure+0xb10/0xb10
[  281.166086][ T6510]  ? setup_bdev_super+0x56b/0x660
[  281.171173][ T6510]  get_tree_bdev+0x3e4/0x510
[  281.176065][ T6510]  ? end_current_label_crit_section+0x170/0x170
[  281.182363][ T6510]  ? gfs2_reconfigure+0xb10/0xb10
[  281.187547][ T6510]  ? setup_bdev_super+0x660/0x660
[  281.192785][ T6510]  gfs2_get_tree+0x51/0x1e0
[  281.197410][ T6510]  vfs_get_tree+0x8c/0x280
[  281.201827][ T6510]  do_new_mount+0x24b/0xa40
[  281.206335][ T6510]  __se_sys_mount+0x2da/0x3c0
[  281.211027][ T6510]  ? __x64_sys_mount+0xc0/0xc0
[  281.215794][ T6510]  ? lockdep_hardirqs_on+0x98/0x150
[  281.221252][ T6510]  ? __x64_sys_mount+0x20/0xc0
[  281.226121][ T6510]  do_syscall_64+0x55/0xb0
[  281.230719][ T6510]  ? clear_bhb_loop+0x40/0x90
[  281.235419][ T6510]  ? clear_bhb_loop+0x40/0x90
[  281.240100][ T6510]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  281.246082][ T6510] RIP: 0033:0x7f0efb990eea
[  281.250585][ T6510] 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
[  281.270660][ T6510] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.279104][ T6510] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  281.287178][ T6510] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  281.295335][ T6510] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  281.303850][ T6510] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  281.312008][ T6510] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  281.319993][ T6510]  </TASK>
[  281.329303][ T6510] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.345871][ T6510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.774633][ T6513] loop1: detected capacity change from 0 to 32768
[  281.792478][ T6513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.799990][ T6513] CPU: 1 PID: 6513 Comm: syz.1.197 Not tainted syzkaller #0
[  281.807322][ T6513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.817526][ T6513] Call Trace:
[  281.820848][ T6513]  <TASK>
[  281.823821][ T6513]  dump_stack_lvl+0x16c/0x230
[  281.828562][ T6513]  ? show_regs_print_info+0x20/0x20
[  281.833828][ T6513]  ? load_image+0x3b0/0x3b0
[  281.838492][ T6513]  sysfs_create_dir_ns+0x256/0x280
[  281.843924][ T6513]  ? sysfs_warn_dup+0xa0/0xa0
[  281.848755][ T6513]  ? do_raw_spin_unlock+0x121/0x230
[  281.854016][ T6513]  kobject_add_internal+0x6b8/0xc70
[  281.859276][ T6513]  kobject_init_and_add+0x126/0x190
[  281.864551][ T6513]  ? lockdep_softirqs_off+0x430/0x430
[  281.870154][ T6513]  ? kobject_add+0x220/0x220
[  281.874897][ T6513]  ? __init_swait_queue_head+0xa9/0x150
[  281.880670][ T6513]  gfs2_sys_fs_add+0x238/0x470
[  281.885489][ T6513]  ? gfs2_recover_set+0x250/0x250
[  281.891257][ T6513]  ? apply_workqueue_attrs+0x180/0x180
[  281.896770][ T6513]  gfs2_fill_super+0x1323/0x1f80
[  281.901777][ T6513]  ? gfs2_reconfigure+0xb10/0xb10
[  281.906844][ T6513]  ? setup_bdev_super+0x56b/0x660
[  281.912240][ T6513]  get_tree_bdev+0x3e4/0x510
[  281.917052][ T6513]  ? end_current_label_crit_section+0x170/0x170
[  281.923474][ T6513]  ? gfs2_reconfigure+0xb10/0xb10
[  281.928613][ T6513]  ? setup_bdev_super+0x660/0x660
[  281.933744][ T6513]  gfs2_get_tree+0x51/0x1e0
[  281.938271][ T6513]  vfs_get_tree+0x8c/0x280
[  281.942831][ T6513]  do_new_mount+0x24b/0xa40
[  281.947444][ T6513]  __se_sys_mount+0x2da/0x3c0
[  281.952144][ T6513]  ? __x64_sys_mount+0xc0/0xc0
[  281.956931][ T6513]  ? lockdep_hardirqs_on+0x98/0x150
[  281.962406][ T6513]  ? __x64_sys_mount+0x20/0xc0
[  281.967181][ T6513]  do_syscall_64+0x55/0xb0
[  281.971782][ T6513]  ? clear_bhb_loop+0x40/0x90
[  281.976587][ T6513]  ? clear_bhb_loop+0x40/0x90
[  281.981282][ T6513]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  281.987186][ T6513] RIP: 0033:0x7f0efb990eea
[  281.991618][ T6513] 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
[  282.011508][ T6513] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.020385][ T6513] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  282.028388][ T6513] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  282.036548][ T6513] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  282.044794][ T6513] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  282.053128][ T6513] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  282.061304][ T6513]  </TASK>
[  282.074806][ T6513] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.089266][ T6513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.361808][   T29] INFO: task syz-executor:5896 blocked for more than 143 seconds.
[  282.376744][   T29]       Not tainted syzkaller #0
[  282.382296][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  282.394370][   T29] task:syz-executor    state:D stack:21736 pid:5896  ppid:1      flags:0x00004004
[  282.405361][   T29] Call Trace:
[  282.408699][   T29]  <TASK>
[  282.414436][   T29]  __schedule+0x14d2/0x44d0
[  282.419270][   T29]  ? asan.module_dtor+0x20/0x20
[  282.424471][   T29]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  282.430794][   T29]  ? lock_chain_count+0x20/0x20
[  282.436161][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  282.443954][   T29]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  282.450147][   T29]  ? _raw_spin_unlock+0x40/0x40
[  282.455452][   T29]  schedule+0xbd/0x170
[  282.459659][   T29]  bit_wait+0x11/0xd0
[  282.467463][   T29]  __wait_on_bit+0xac/0x2d0
[  282.472590][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  282.478916][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  282.485515][   T29]  out_of_line_wait_on_bit+0x123/0x170
[  282.491313][   T29]  ? __wait_on_bit+0x2d0/0x2d0
[  282.496494][   T29]  ? bit_waitqueue+0x30/0x30
[  282.501498][   T29]  gfs2_glock_wait+0xbd/0x2a0
[  282.506576][   T29]  __gfs2_lookup+0x118/0x270
[  282.511349][   T29]  ? lockdep_softirqs_off+0x430/0x430
[  282.518470][   T29]  ? gfs2_atomic_open+0x220/0x220
[  282.523836][   T29]  ? __lookup_slow+0x281/0x3b0
[  282.529012][   T29]  ? __init_waitqueue_head+0xa9/0x150
[  282.536988][   T29]  __lookup_slow+0x281/0x3b0
[  282.541813][   T29]  ? lookup_one_len+0x2c0/0x2c0
[  282.546730][   T29]  ? down_read+0x1ac/0x2e0
[  282.551195][   T29]  lookup_slow+0x53/0x70
[  282.558115][   T29]  walk_component+0x2be/0x3f0
[  282.562920][   T29]  ? path_lookupat+0x15c/0x440
[  282.568832][   T29]  path_lookupat+0x169/0x440
[  282.576011][   T29]  filename_lookup+0x1f4/0x510
[  282.581164][   T29]  ? __virt_addr_valid+0x18c/0x540
[  282.586801][   T29]  ? hashlen_string+0x110/0x110
[  282.594767][   T29]  ? strncpy_from_user+0x197/0x2e0
[  282.600222][   T29]  ? getname_flags+0x20a/0x500
[  282.605319][   T29]  user_path_at_empty+0x42/0x60
[  282.610224][   T29]  __x64_sys_umount+0xf5/0x170
[  282.614974][ T6516] loop1: detected capacity change from 0 to 32768
[  282.617374][   T29]  ? path_umount+0xef0/0xef0
[  282.632585][ T6516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.640302][ T6516] CPU: 0 PID: 6516 Comm: syz.1.198 Not tainted syzkaller #0
[  282.648068][ T6516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.655037][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  282.658332][ T6516] Call Trace:
[  282.658347][ T6516]  <TASK>
[  282.670188][ T6516]  dump_stack_lvl+0x16c/0x230
[  282.673768][   T29]  do_syscall_64+0x55/0xb0
[  282.674904][ T6516]  ? show_regs_print_info+0x20/0x20
[  282.674937][ T6516]  ? load_image+0x3b0/0x3b0
[  282.686216][   T29]  ? clear_bhb_loop+0x40/0x90
[  282.689991][ T6516]  sysfs_create_dir_ns+0x256/0x280
[  282.690028][ T6516]  ? sysfs_warn_dup+0xa0/0xa0
[  282.704912][ T6516]  ? do_raw_spin_unlock+0x121/0x230
[  282.711015][ T6516]  kobject_add_internal+0x6b8/0xc70
[  282.716599][ T6516]  kobject_init_and_add+0x126/0x190
[  282.721995][ T6516]  ? lockdep_softirqs_off+0x430/0x430
[  282.727494][ T6516]  ? kobject_add+0x220/0x220
[  282.732209][ T6516]  ? __init_swait_queue_head+0xa9/0x150
[  282.737771][ T6516]  gfs2_sys_fs_add+0x238/0x470
[  282.742559][ T6516]  ? gfs2_recover_set+0x250/0x250
[  282.747893][ T6516]  ? apply_workqueue_attrs+0x180/0x180
[  282.753381][ T6516]  gfs2_fill_super+0x1323/0x1f80
[  282.758365][ T6516]  ? gfs2_reconfigure+0xb10/0xb10
[  282.763427][ T6516]  ? setup_bdev_super+0x56b/0x660
[  282.769603][ T6516]  get_tree_bdev+0x3e4/0x510
[  282.775277][ T6516]  ? end_current_label_crit_section+0x170/0x170
[  282.781666][ T6516]  ? gfs2_reconfigure+0xb10/0xb10
[  282.786842][ T6516]  ? setup_bdev_super+0x660/0x660
[  282.792265][ T6516]  gfs2_get_tree+0x51/0x1e0
[  282.796884][ T6516]  vfs_get_tree+0x8c/0x280
[  282.801433][ T6516]  do_new_mount+0x24b/0xa40
[  282.806222][ T6516]  __se_sys_mount+0x2da/0x3c0
[  282.811448][ T6516]  ? __x64_sys_mount+0xc0/0xc0
[  282.816225][ T6516]  ? lockdep_hardirqs_on+0x98/0x150
[  282.821628][ T6516]  ? __x64_sys_mount+0x20/0xc0
[  282.826676][ T6516]  do_syscall_64+0x55/0xb0
[  282.831382][ T6516]  ? clear_bhb_loop+0x40/0x90
[  282.836355][ T6516]  ? clear_bhb_loop+0x40/0x90
[  282.841309][ T6516]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  282.847503][ T6516] RIP: 0033:0x7f0efb990eea
[  282.852378][ T6516] 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
[  282.872276][ T6516] RSP: 002b:00007ffe349f99d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.881077][ T6516] RAX: ffffffffffffffda RBX: 00007ffe349f9a60 RCX: 00007f0efb990eea
[  282.889120][ T6516] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe349f9a20
[  282.897265][ T6516] RBP: 0000200000000000 R08: 00007ffe349f9a60 R09: 0000000000208c1b
[  282.905337][ T6516] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  282.913429][ T6516] R13: 00007ffe349f9a20 R14: 0000000000012754 R15: 0000200000012900
[  282.921448][ T6516]  </TASK>
[  282.925319][   T29]  ? clear_bhb_loop+0x40/0x90
[  282.930070][   T29]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  282.939036][   T29] RIP: 0033:0x7ff87f590a77
[  282.939728][ T6516] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.961468][   T29] RSP: 002b:00007ffc41a70928 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  282.970982][   T29] RAX: ffffffffffffffda RBX: 00007ff87f613d7d RCX: 00007ff87f590a77
[  282.971833][ T6516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.984839][   T29] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc41a709e0
[  282.996641][   T29] RBP: 00007ffc41a709e0 R08: 0000000000000000 R09: 0000000000000000
[  283.014434][   T29] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc41a71ad0
[  283.025864][   T29] R13: 00007ff87f613d7d R14: 0000555574b174a8 R15: 00007ffc41a73c90
[  283.051706][   T29]  </TASK>
[  283.054874][   T29] 
[  283.054874][   T29] Showing all locks held in the system:
2026/01/03 15:09:23 executed programs: 184
[  283.072248][   T29] 1 lock held by khungtaskd/29:
[  283.087504][   T29]  #0: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290
[  283.114289][   T29] 2 locks held by getty/5529:
[  283.119041][   T29]  #0: ffff88802cc7f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  283.144167][   T29]  #1: ffffc9000326e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380
[  283.171646][   T29] 1 lock held by syz-executor/5896:
[  283.177107][   T29]  #0: ffff8880601b9c40 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x46/0x70
[  283.211660][   T29] 1 lock held by syz.1.199/6519:
[  283.216804][   T29] 
[  283.219253][   T29] =============================================
[  283.219253][   T29] 
[  283.236712][   T29] NMI backtrace for cpu 0
[  283.241100][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  283.249060][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.259536][   T29] Call Trace:
[  283.262956][   T29]  <TASK>
[  283.266129][   T29]  dump_stack_lvl+0x16c/0x230
[  283.271071][   T29]  ? show_regs_print_info+0x20/0x20
[  283.276497][   T29]  ? load_image+0x3b0/0x3b0
[  283.281231][   T29]  nmi_cpu_backtrace+0x39b/0x3d0
[  283.286320][   T29]  ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0
[  283.292784][   T29]  ? _printk+0xd0/0x110
[  283.297193][   T29]  ? load_image+0x3b0/0x3b0
[  283.301972][   T29]  ? load_image+0x3b0/0x3b0
[  283.306613][   T29]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  283.313139][   T29]  nmi_trigger_cpumask_backtrace+0x17a/0x2f0
[  283.319149][   T29]  watchdog+0xf41/0xf80
[  283.323499][   T29]  ? watchdog+0x1e1/0xf80
[  283.327846][   T29]  kthread+0x2fa/0x390
[  283.332194][   T29]  ? hungtask_pm_notify+0x90/0x90
[  283.337317][   T29]  ? kthread_blkcg+0xd0/0xd0
[  283.342129][   T29]  ret_from_fork+0x48/0x80
[  283.346564][   T29]  ? kthread_blkcg+0xd0/0xd0
[  283.351189][   T29]  ret_from_fork_asm+0x11/0x20
[  283.356346][   T29]  </TASK>
[  283.360536][   T29] Sending NMI from CPU 0 to CPUs 1:
[  283.366034][    C1] NMI backtrace for cpu 1
[  283.366047][    C1] CPU: 1 PID: 5949 Comm: udevd Not tainted syzkaller #0
[  283.366062][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.366071][    C1] RIP: 0010:check_preemption_disabled+0x6/0x110
[  283.366097][    C1] Code: cc cc cc cc f3 0f 1e fa 48 c7 c7 20 6f fc 8a 48 c7 c6 60 6f fc 8a eb 0c 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 41 57 41 56 53 <48> 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65 8b 05 2d
[  283.366111][    C1] RSP: 0000:ffffc900034a75d0 EFLAGS: 00000282
[  283.366126][    C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000080000000
[  283.366137][    C1] RDX: ffff88804d01da00 RSI: ffffffff8afc6f60 RDI: ffffffff8afc6f20
[  283.366148][    C1] RBP: 0000000000000000 R08: ffffea0001710cb7 R09: 1ffffd40002e2196
[  283.366159][    C1] R10: dffffc0000000000 R11: fffff940002e2197 R12: ffff88807a129818
[  283.366169][    C1] R13: 1ffff92000694edc R14: ffffc900034a76e0 R15: ffff888073a3f9c0
[  283.366188][    C1] FS:  00007f7548b58880(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  283.366202][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  283.366212][    C1] CR2: 00007f0ef38c9000 CR3: 000000001c350000 CR4: 00000000003506e0
[  283.366227][    C1] Call Trace:
[  283.366233][    C1]  <TASK>
[  283.366240][    C1]  rcu_lockdep_current_cpu_online+0x37/0x120
[  283.366263][    C1]  rcu_read_lock_held+0x1e/0x40
[  283.366278][    C1]  xas_reload+0x19c/0x470
[  283.366294][    C1]  find_lock_entries+0x395/0xfe0
[  283.366308][    C1]  ? find_lock_entries+0x104/0xfe0
[  283.366324][    C1]  ? find_get_entries+0x8c0/0x8c0
[  283.366345][    C1]  shmem_undo_range+0x254/0x1a40
[  283.366360][    C1]  ? __lock_acquire+0x1334/0x7c80
[  283.366380][    C1]  ? shmem_truncate_range+0xa0/0xa0
[  283.366406][    C1]  ? inode_wait_for_writeback+0x1b4/0x200
[  283.366426][    C1]  ? __lock_acquire+0x7c80/0x7c80
[  283.366440][    C1]  ? do_raw_spin_lock+0x121/0x2c0
[  283.366460][    C1]  shmem_evict_inode+0x273/0xa70
[  283.366479][    C1]  ? inode_wait_for_writeback+0x1b4/0x200
[  283.366496][    C1]  ? shmem_free_in_core_inode+0xb0/0xb0
[  283.366512][    C1]  ? sb_clear_inode_writeback+0x360/0x360
[  283.366528][    C1]  ? do_raw_spin_lock+0x121/0x2c0
[  283.366545][    C1]  ? bit_waitqueue+0x30/0x30
[  283.366562][    C1]  ? do_raw_spin_unlock+0x121/0x230
[  283.366580][    C1]  ? shmem_free_in_core_inode+0xb0/0xb0
[  283.366595][    C1]  evict+0x486/0x870
[  283.366610][    C1]  ? __lock_acquire+0x7c80/0x7c80
[  283.366628][    C1]  ? proc_nr_inodes+0x230/0x230
[  283.366642][    C1]  ? do_raw_spin_unlock+0x121/0x230
[  283.366660][    C1]  ? _raw_spin_unlock+0x28/0x40
[  283.366675][    C1]  ? iput+0x70a/0x920
[  283.366691][    C1]  __dentry_kill+0x431/0x650
[  283.366712][    C1]  dentry_kill+0xb8/0x290
[  283.366729][    C1]  ? dput+0x3b/0x1e0
[  283.366746][    C1]  dput+0xfe/0x1e0
[  283.366763][    C1]  __fput+0x5e5/0x970
[  283.366787][    C1]  task_work_run+0x1ce/0x250
[  283.366807][    C1]  ? task_work_cancel+0x240/0x240
[  283.366827][    C1]  ? exit_to_user_mode_loop+0x3b/0x110
[  283.366846][    C1]  exit_to_user_mode_loop+0xe6/0x110
[  283.366864][    C1]  exit_to_user_mode_prepare+0xf6/0x180
[  283.366883][    C1]  syscall_exit_to_user_mode+0x1a/0x50
[  283.366899][    C1]  do_syscall_64+0x61/0xb0
[  283.366912][    C1]  ? clear_bhb_loop+0x40/0x90
[  283.366929][    C1]  ? clear_bhb_loop+0x40/0x90
[  283.366945][    C1]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  283.366961][    C1] RIP: 0033:0x7f7548be4407
[  283.366973][    C1] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  283.366985][    C1] RSP: 002b:00007fff0bc96ad0 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[  283.367000][    C1] RAX: 0000000000000000 RBX: 00007f7548b58880 RCX: 00007f7548be4407
[  283.367010][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
[  283.367019][    C1] RBP: 00007f7548b586e8 R08: 0000000000000000 R09: 0000000000000000
[  283.367029][    C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[  283.367038][    C1] R13: 00005564db769410 R14: 0000000000000008 R15: 00005564db758c60
[  283.367055][    C1]  </TASK>
[  283.787817][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  283.794728][   T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  283.802048][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.812866][   T29] Call Trace:
[  283.816366][   T29]  <TASK>
[  283.819431][   T29]  dump_stack_lvl+0x16c/0x230
[  283.824172][   T29]  ? show_regs_print_info+0x20/0x20
[  283.829528][   T29]  ? load_image+0x3b0/0x3b0
[  283.834102][   T29]  panic+0x2c0/0x710
[  283.838243][   T29]  ? schedule_preempt_disabled+0x20/0x20
[  283.843960][   T29]  ? bpf_jit_dump+0xd0/0xd0
[  283.848610][   T29]  ? __irq_work_queue_local+0x13a/0x3b0
[  283.854396][   T29]  ? nmi_trigger_cpumask_backtrace+0x2a4/0x2f0
[  283.860889][   T29]  watchdog+0xf80/0xf80
[  283.865181][   T29]  ? watchdog+0x1e1/0xf80
[  283.869659][   T29]  kthread+0x2fa/0x390
[  283.873949][   T29]  ? hungtask_pm_notify+0x90/0x90
[  283.879119][   T29]  ? kthread_blkcg+0xd0/0xd0
[  283.883749][   T29]  ret_from_fork+0x48/0x80
[  283.888304][   T29]  ? kthread_blkcg+0xd0/0xd0
[  283.893023][   T29]  ret_from_fork_asm+0x11/0x20
[  283.897845][   T29]  </TASK>
[  283.901515][   T29] Kernel Offset: disabled
[  283.905933][   T29] Rebooting in 86400 seconds..