170
[  274.693849][ T6385]  ? gfs2_reconfigure+0xb10/0xb10
[  274.698928][ T6385]  ? setup_bdev_super+0x660/0x660
[  274.704025][ T6385]  gfs2_get_tree+0x51/0x1e0
[  274.708583][ T6385]  vfs_get_tree+0x8c/0x280
[  274.713039][ T6385]  do_new_mount+0x24b/0xa40
[  274.717607][ T6385]  __se_sys_mount+0x2da/0x3c0
[  274.722347][ T6385]  ? __x64_sys_mount+0xc0/0xc0
[  274.727166][ T6385]  ? lockdep_hardirqs_on+0x98/0x150
[  274.732431][ T6385]  ? __x64_sys_mount+0x20/0xc0
[  274.737326][ T6385]  do_syscall_64+0x55/0xb0
[  274.741866][ T6385]  ? clear_bhb_loop+0x40/0x90
[  274.746621][ T6385]  ? clear_bhb_loop+0x40/0x90
[  274.751374][ T6385]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  274.757344][ T6385] RIP: 0033:0x7f90a9790eea
[  274.761979][ T6385] 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
[  274.781898][ T6385] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  274.790383][ T6385] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  274.798397][ T6385] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  274.806405][ T6385] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  274.814415][ T6385] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  274.822450][ T6385] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  274.830476][ T6385]  </TASK>
[  274.850722][ T6385] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  274.866643][ T6385] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.283012][ T6388] loop1: detected capacity change from 0 to 32768
[  275.296509][ T6388] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  275.313853][ T6388] CPU: 1 PID: 6388 Comm: syz.1.155 Not tainted syzkaller #0
[  275.321249][ T6388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  275.331366][ T6388] Call Trace:
[  275.334739][ T6388]  <TASK>
[  275.337728][ T6388]  dump_stack_lvl+0x16c/0x230
[  275.342492][ T6388]  ? show_regs_print_info+0x20/0x20
[  275.347774][ T6388]  ? load_image+0x3b0/0x3b0
[  275.352364][ T6388]  sysfs_create_dir_ns+0x256/0x280
[  275.357557][ T6388]  ? sysfs_warn_dup+0xa0/0xa0
[  275.362395][ T6388]  ? do_raw_spin_unlock+0x121/0x230
[  275.367668][ T6388]  kobject_add_internal+0x6b8/0xc70
[  275.372942][ T6388]  kobject_init_and_add+0x126/0x190
[  275.378213][ T6388]  ? lockdep_softirqs_off+0x430/0x430
[  275.383753][ T6388]  ? kobject_add+0x220/0x220
[  275.388412][ T6388]  ? __init_swait_queue_head+0xa9/0x150
[  275.394026][ T6388]  gfs2_sys_fs_add+0x238/0x470
[  275.398894][ T6388]  ? gfs2_recover_set+0x250/0x250
[  275.404001][ T6388]  ? apply_workqueue_attrs+0x180/0x180
[  275.409531][ T6388]  gfs2_fill_super+0x1323/0x1f80
[  275.414563][ T6388]  ? gfs2_reconfigure+0xb10/0xb10
[  275.419670][ T6388]  ? setup_bdev_super+0x56b/0x660
[  275.424749][ T6388]  get_tree_bdev+0x3e4/0x510
[  275.429393][ T6388]  ? end_current_label_crit_section+0x170/0x170
[  275.435695][ T6388]  ? gfs2_reconfigure+0xb10/0xb10
[  275.440782][ T6388]  ? setup_bdev_super+0x660/0x660
[  275.445871][ T6388]  gfs2_get_tree+0x51/0x1e0
[  275.450445][ T6388]  vfs_get_tree+0x8c/0x280
[  275.454915][ T6388]  do_new_mount+0x24b/0xa40
[  275.459487][ T6388]  __se_sys_mount+0x2da/0x3c0
[  275.464223][ T6388]  ? __x64_sys_mount+0xc0/0xc0
[  275.469222][ T6388]  ? lockdep_hardirqs_on+0x98/0x150
[  275.474518][ T6388]  ? __x64_sys_mount+0x20/0xc0
[  275.479365][ T6388]  do_syscall_64+0x55/0xb0
[  275.483832][ T6388]  ? clear_bhb_loop+0x40/0x90
[  275.488577][ T6388]  ? clear_bhb_loop+0x40/0x90
[  275.493328][ T6388]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  275.499287][ T6388] RIP: 0033:0x7f90a9790eea
[  275.503753][ T6388] 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
[  275.523468][ T6388] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  275.531953][ T6388] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  275.539989][ T6388] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  275.548112][ T6388] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  275.556165][ T6388] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  275.564192][ T6388] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  275.572243][ T6388]  </TASK>
[  275.581408][ T6388] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  275.595542][ T6388] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  275.989688][ T6391] loop1: detected capacity change from 0 to 32768
[  275.999548][ T6391] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.007009][ T6391] CPU: 1 PID: 6391 Comm: syz.1.156 Not tainted syzkaller #0
[  276.014351][ T6391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  276.024470][ T6391] Call Trace:
[  276.027808][ T6391]  <TASK>
[  276.030788][ T6391]  dump_stack_lvl+0x16c/0x230
[  276.035555][ T6391]  ? show_regs_print_info+0x20/0x20
[  276.040828][ T6391]  ? load_image+0x3b0/0x3b0
[  276.045420][ T6391]  sysfs_create_dir_ns+0x256/0x280
[  276.050614][ T6391]  ? sysfs_warn_dup+0xa0/0xa0
[  276.055366][ T6391]  ? do_raw_spin_unlock+0x121/0x230
[  276.060691][ T6391]  kobject_add_internal+0x6b8/0xc70
[  276.065958][ T6391]  kobject_init_and_add+0x126/0x190
[  276.071211][ T6391]  ? lockdep_softirqs_off+0x430/0x430
[  276.076648][ T6391]  ? kobject_add+0x220/0x220
[  276.081292][ T6391]  ? __init_swait_queue_head+0xa9/0x150
[  276.086887][ T6391]  gfs2_sys_fs_add+0x238/0x470
[  276.091693][ T6391]  ? gfs2_recover_set+0x250/0x250
[  276.096759][ T6391]  ? apply_workqueue_attrs+0x180/0x180
[  276.102265][ T6391]  gfs2_fill_super+0x1323/0x1f80
[  276.107261][ T6391]  ? gfs2_reconfigure+0xb10/0xb10
[  276.112332][ T6391]  ? setup_bdev_super+0x56b/0x660
[  276.117388][ T6391]  get_tree_bdev+0x3e4/0x510
[  276.122008][ T6391]  ? end_current_label_crit_section+0x170/0x170
[  276.128283][ T6391]  ? gfs2_reconfigure+0xb10/0xb10
[  276.133341][ T6391]  ? setup_bdev_super+0x660/0x660
[  276.138412][ T6391]  gfs2_get_tree+0x51/0x1e0
[  276.142976][ T6391]  vfs_get_tree+0x8c/0x280
[  276.147424][ T6391]  do_new_mount+0x24b/0xa40
[  276.151969][ T6391]  __se_sys_mount+0x2da/0x3c0
[  276.156685][ T6391]  ? __x64_sys_mount+0xc0/0xc0
[  276.161484][ T6391]  ? lockdep_hardirqs_on+0x98/0x150
[  276.166723][ T6391]  ? __x64_sys_mount+0x20/0xc0
[  276.171522][ T6391]  do_syscall_64+0x55/0xb0
[  276.176071][ T6391]  ? clear_bhb_loop+0x40/0x90
[  276.180895][ T6391]  ? clear_bhb_loop+0x40/0x90
[  276.185621][ T6391]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  276.191559][ T6391] RIP: 0033:0x7f90a9790eea
[  276.196016][ T6391] 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
[  276.215698][ T6391] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.224148][ T6391] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  276.232237][ T6391] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  276.240244][ T6391] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  276.248245][ T6391] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  276.256244][ T6391] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  276.264263][ T6391]  </TASK>
[  276.279503][ T6391] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  276.294635][ T6391] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  276.713956][ T6394] loop1: detected capacity change from 0 to 32768
[  276.725513][ T6394] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  276.739676][ T6394] CPU: 1 PID: 6394 Comm: syz.1.157 Not tainted syzkaller #0
[  276.747053][ T6394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  276.757170][ T6394] Call Trace:
[  276.760510][ T6394]  <TASK>
[  276.763488][ T6394]  dump_stack_lvl+0x16c/0x230
[  276.768240][ T6394]  ? show_regs_print_info+0x20/0x20
[  276.773508][ T6394]  ? load_image+0x3b0/0x3b0
[  276.778086][ T6394]  sysfs_create_dir_ns+0x256/0x280
[  276.783270][ T6394]  ? sysfs_warn_dup+0xa0/0xa0
[  276.788017][ T6394]  ? do_raw_spin_unlock+0x121/0x230
[  276.793294][ T6394]  kobject_add_internal+0x6b8/0xc70
[  276.798575][ T6394]  kobject_init_and_add+0x126/0x190
[  276.803846][ T6394]  ? lockdep_softirqs_off+0x430/0x430
[  276.809289][ T6394]  ? kobject_add+0x220/0x220
[  276.813950][ T6394]  ? __init_swait_queue_head+0xa9/0x150
[  276.819556][ T6394]  gfs2_sys_fs_add+0x238/0x470
[  276.824382][ T6394]  ? gfs2_recover_set+0x250/0x250
[  276.829485][ T6394]  ? apply_workqueue_attrs+0x180/0x180
[  276.835028][ T6394]  gfs2_fill_super+0x1323/0x1f80
[  276.840018][ T6394]  ? gfs2_reconfigure+0xb10/0xb10
[  276.845172][ T6394]  ? setup_bdev_super+0x56b/0x660
[  276.850230][ T6394]  get_tree_bdev+0x3e4/0x510
[  276.854860][ T6394]  ? end_current_label_crit_section+0x170/0x170
[  276.861139][ T6394]  ? gfs2_reconfigure+0xb10/0xb10
[  276.866208][ T6394]  ? setup_bdev_super+0x660/0x660
[  276.871308][ T6394]  gfs2_get_tree+0x51/0x1e0
[  276.875849][ T6394]  vfs_get_tree+0x8c/0x280
[  276.880296][ T6394]  do_new_mount+0x24b/0xa40
[  276.884836][ T6394]  __se_sys_mount+0x2da/0x3c0
[  276.889555][ T6394]  ? __x64_sys_mount+0xc0/0xc0
[  276.894444][ T6394]  ? lockdep_hardirqs_on+0x98/0x150
[  276.899768][ T6394]  ? __x64_sys_mount+0x20/0xc0
[  276.904569][ T6394]  do_syscall_64+0x55/0xb0
[  276.909016][ T6394]  ? clear_bhb_loop+0x40/0x90
[  276.913728][ T6394]  ? clear_bhb_loop+0x40/0x90
[  276.918445][ T6394]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  276.924388][ T6394] RIP: 0033:0x7f90a9790eea
[  276.928832][ T6394] 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
[  276.948483][ T6394] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  276.956984][ T6394] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  276.964996][ T6394] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  276.973093][ T6394] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  276.981101][ T6394] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  276.989102][ T6394] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  276.997118][ T6394]  </TASK>
[  277.003503][ T6394] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.017603][ T6394] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  277.432227][ T6397] loop1: detected capacity change from 0 to 32768
[  277.445860][ T6397] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  277.459295][ T6397] CPU: 1 PID: 6397 Comm: syz.1.158 Not tainted syzkaller #0
[  277.466683][ T6397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  277.476844][ T6397] Call Trace:
[  277.480189][ T6397]  <TASK>
[  277.483154][ T6397]  dump_stack_lvl+0x16c/0x230
[  277.487879][ T6397]  ? show_regs_print_info+0x20/0x20
[  277.493115][ T6397]  ? load_image+0x3b0/0x3b0
[  277.497671][ T6397]  sysfs_create_dir_ns+0x256/0x280
[  277.502834][ T6397]  ? sysfs_warn_dup+0xa0/0xa0
[  277.507560][ T6397]  ? do_raw_spin_unlock+0x121/0x230
[  277.512796][ T6397]  kobject_add_internal+0x6b8/0xc70
[  277.518046][ T6397]  kobject_init_and_add+0x126/0x190
[  277.523282][ T6397]  ? lockdep_softirqs_off+0x430/0x430
[  277.528693][ T6397]  ? kobject_add+0x220/0x220
[  277.533323][ T6397]  ? __init_swait_queue_head+0xa9/0x150
[  277.538946][ T6397]  gfs2_sys_fs_add+0x238/0x470
[  277.543750][ T6397]  ? gfs2_recover_set+0x250/0x250
[  277.548829][ T6397]  ? apply_workqueue_attrs+0x180/0x180
[  277.554334][ T6397]  gfs2_fill_super+0x1323/0x1f80
[  277.559324][ T6397]  ? gfs2_reconfigure+0xb10/0xb10
[  277.564401][ T6397]  ? setup_bdev_super+0x56b/0x660
[  277.569476][ T6397]  get_tree_bdev+0x3e4/0x510
[  277.574100][ T6397]  ? end_current_label_crit_section+0x170/0x170
[  277.580382][ T6397]  ? gfs2_reconfigure+0xb10/0xb10
[  277.585443][ T6397]  ? setup_bdev_super+0x660/0x660
[  277.590504][ T6397]  gfs2_get_tree+0x51/0x1e0
[  277.595047][ T6397]  vfs_get_tree+0x8c/0x280
[  277.599493][ T6397]  do_new_mount+0x24b/0xa40
[  277.604033][ T6397]  __se_sys_mount+0x2da/0x3c0
[  277.608741][ T6397]  ? __x64_sys_mount+0xc0/0xc0
[  277.613540][ T6397]  ? lockdep_hardirqs_on+0x98/0x150
[  277.618772][ T6397]  ? __x64_sys_mount+0x20/0xc0
[  277.623583][ T6397]  do_syscall_64+0x55/0xb0
[  277.628032][ T6397]  ? clear_bhb_loop+0x40/0x90
[  277.632756][ T6397]  ? clear_bhb_loop+0x40/0x90
[  277.637590][ T6397]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  277.643526][ T6397] RIP: 0033:0x7f90a9790eea
[  277.647983][ T6397] 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
[  277.667725][ T6397] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  277.676202][ T6397] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  277.684228][ T6397] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  277.692239][ T6397] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  277.700248][ T6397] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  277.708253][ T6397] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  277.716267][ T6397]  </TASK>
[  277.729667][ T6397] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  277.744936][ T6397] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 21:28:35 executed programs: 144
[  278.162333][ T6400] loop1: detected capacity change from 0 to 32768
[  278.177700][ T6400] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.189933][ T6400] CPU: 1 PID: 6400 Comm: syz.1.159 Not tainted syzkaller #0
[  278.197317][ T6400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.207466][ T6400] Call Trace:
[  278.210799][ T6400]  <TASK>
[  278.213783][ T6400]  dump_stack_lvl+0x16c/0x230
[  278.218541][ T6400]  ? show_regs_print_info+0x20/0x20
[  278.223811][ T6400]  ? load_image+0x3b0/0x3b0
[  278.228430][ T6400]  sysfs_create_dir_ns+0x256/0x280
[  278.233625][ T6400]  ? sysfs_warn_dup+0xa0/0xa0
[  278.238388][ T6400]  ? do_raw_spin_unlock+0x121/0x230
[  278.243665][ T6400]  kobject_add_internal+0x6b8/0xc70
[  278.248999][ T6400]  kobject_init_and_add+0x126/0x190
[  278.254266][ T6400]  ? lockdep_softirqs_off+0x430/0x430
[  278.259715][ T6400]  ? kobject_add+0x220/0x220
[  278.264404][ T6400]  ? __init_swait_queue_head+0xa9/0x150
[  278.270019][ T6400]  gfs2_sys_fs_add+0x238/0x470
[  278.274851][ T6400]  ? gfs2_recover_set+0x250/0x250
[  278.279960][ T6400]  ? apply_workqueue_attrs+0x180/0x180
[  278.285502][ T6400]  gfs2_fill_super+0x1323/0x1f80
[  278.290583][ T6400]  ? gfs2_reconfigure+0xb10/0xb10
[  278.295693][ T6400]  ? setup_bdev_super+0x56b/0x660
[  278.300786][ T6400]  get_tree_bdev+0x3e4/0x510
[  278.305435][ T6400]  ? end_current_label_crit_section+0x170/0x170
[  278.311758][ T6400]  ? gfs2_reconfigure+0xb10/0xb10
[  278.316848][ T6400]  ? setup_bdev_super+0x660/0x660
[  278.321947][ T6400]  gfs2_get_tree+0x51/0x1e0
[  278.326521][ T6400]  vfs_get_tree+0x8c/0x280
[  278.330992][ T6400]  do_new_mount+0x24b/0xa40
[  278.335555][ T6400]  __se_sys_mount+0x2da/0x3c0
[  278.340290][ T6400]  ? __x64_sys_mount+0xc0/0xc0
[  278.345119][ T6400]  ? lockdep_hardirqs_on+0x98/0x150
[  278.350411][ T6400]  ? __x64_sys_mount+0x20/0xc0
[  278.355224][ T6400]  do_syscall_64+0x55/0xb0
[  278.359688][ T6400]  ? clear_bhb_loop+0x40/0x90
[  278.364424][ T6400]  ? clear_bhb_loop+0x40/0x90
[  278.369151][ T6400]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  278.375096][ T6400] RIP: 0033:0x7f90a9790eea
[  278.379563][ T6400] 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
[  278.399232][ T6400] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  278.407718][ T6400] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  278.415754][ T6400] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  278.423788][ T6400] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  278.431826][ T6400] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  278.439864][ T6400] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  278.447915][ T6400]  </TASK>
[  278.466270][ T6400] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  278.482793][ T6400] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  278.878941][ T6403] loop1: detected capacity change from 0 to 32768
[  278.893694][ T6403] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  278.902324][ T6403] CPU: 0 PID: 6403 Comm: syz.1.160 Not tainted syzkaller #0
[  278.909688][ T6403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  278.919803][ T6403] Call Trace:
[  278.923150][ T6403]  <TASK>
[  278.926142][ T6403]  dump_stack_lvl+0x16c/0x230
[  278.930910][ T6403]  ? show_regs_print_info+0x20/0x20
[  278.936189][ T6403]  ? load_image+0x3b0/0x3b0
[  278.940787][ T6403]  sysfs_create_dir_ns+0x256/0x280
[  278.945980][ T6403]  ? sysfs_warn_dup+0xa0/0xa0
[  278.950738][ T6403]  ? do_raw_spin_unlock+0x121/0x230
[  278.956010][ T6403]  kobject_add_internal+0x6b8/0xc70
[  278.961285][ T6403]  kobject_init_and_add+0x126/0x190
[  278.966560][ T6403]  ? lockdep_softirqs_off+0x430/0x430
[  278.972010][ T6403]  ? kobject_add+0x220/0x220
[  278.976678][ T6403]  ? __init_swait_queue_head+0xa9/0x150
[  278.982387][ T6403]  gfs2_sys_fs_add+0x238/0x470
[  278.987246][ T6403]  ? gfs2_recover_set+0x250/0x250
[  278.992394][ T6403]  ? apply_workqueue_attrs+0x180/0x180
[  278.998038][ T6403]  gfs2_fill_super+0x1323/0x1f80
[  279.003068][ T6403]  ? gfs2_reconfigure+0xb10/0xb10
[  279.008179][ T6403]  ? setup_bdev_super+0x56b/0x660
[  279.013268][ T6403]  get_tree_bdev+0x3e4/0x510
[  279.017901][ T6403]  ? end_current_label_crit_section+0x170/0x170
[  279.024189][ T6403]  ? gfs2_reconfigure+0xb10/0xb10
[  279.029253][ T6403]  ? setup_bdev_super+0x660/0x660
[  279.034342][ T6403]  gfs2_get_tree+0x51/0x1e0
[  279.038916][ T6403]  vfs_get_tree+0x8c/0x280
[  279.043380][ T6403]  do_new_mount+0x24b/0xa40
[  279.047954][ T6403]  __se_sys_mount+0x2da/0x3c0
[  279.052669][ T6403]  ? __x64_sys_mount+0xc0/0xc0
[  279.057461][ T6403]  ? lockdep_hardirqs_on+0x98/0x150
[  279.062695][ T6403]  ? __x64_sys_mount+0x20/0xc0
[  279.067514][ T6403]  do_syscall_64+0x55/0xb0
[  279.071983][ T6403]  ? clear_bhb_loop+0x40/0x90
[  279.076722][ T6403]  ? clear_bhb_loop+0x40/0x90
[  279.081436][ T6403]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  279.087370][ T6403] RIP: 0033:0x7f90a9790eea
[  279.091837][ T6403] 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
[  279.111515][ T6403] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.119965][ T6403] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  279.127967][ T6403] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  279.135973][ T6403] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  279.143984][ T6403] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  279.151987][ T6403] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  279.160016][ T6403]  </TASK>
[  279.173512][ T6403] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.195165][ T6403] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  279.598729][ T6406] loop1: detected capacity change from 0 to 32768
[  279.621243][ T6406] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  279.629107][ T6406] CPU: 0 PID: 6406 Comm: syz.1.161 Not tainted syzkaller #0
[  279.636465][ T6406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  279.646583][ T6406] Call Trace:
[  279.649913][ T6406]  <TASK>
[  279.652890][ T6406]  dump_stack_lvl+0x16c/0x230
[  279.657648][ T6406]  ? show_regs_print_info+0x20/0x20
[  279.662917][ T6406]  ? load_image+0x3b0/0x3b0
[  279.667495][ T6406]  sysfs_create_dir_ns+0x256/0x280
[  279.672683][ T6406]  ? sysfs_warn_dup+0xa0/0xa0
[  279.677514][ T6406]  ? do_raw_spin_unlock+0x121/0x230
[  279.682794][ T6406]  kobject_add_internal+0x6b8/0xc70
[  279.688070][ T6406]  kobject_init_and_add+0x126/0x190
[  279.693336][ T6406]  ? lockdep_softirqs_off+0x430/0x430
[  279.698748][ T6406]  ? kobject_add+0x220/0x220
[  279.703376][ T6406]  ? __init_swait_queue_head+0xa9/0x150
[  279.708959][ T6406]  gfs2_sys_fs_add+0x238/0x470
[  279.713856][ T6406]  ? gfs2_recover_set+0x250/0x250
[  279.718922][ T6406]  ? apply_workqueue_attrs+0x180/0x180
[  279.724435][ T6406]  gfs2_fill_super+0x1323/0x1f80
[  279.729424][ T6406]  ? gfs2_reconfigure+0xb10/0xb10
[  279.734586][ T6406]  ? setup_bdev_super+0x56b/0x660
[  279.739669][ T6406]  get_tree_bdev+0x3e4/0x510
[  279.744302][ T6406]  ? end_current_label_crit_section+0x170/0x170
[  279.750580][ T6406]  ? gfs2_reconfigure+0xb10/0xb10
[  279.755659][ T6406]  ? setup_bdev_super+0x660/0x660
[  279.761078][ T6406]  gfs2_get_tree+0x51/0x1e0
[  279.765733][ T6406]  vfs_get_tree+0x8c/0x280
[  279.770268][ T6406]  do_new_mount+0x24b/0xa40
[  279.774809][ T6406]  __se_sys_mount+0x2da/0x3c0
[  279.779517][ T6406]  ? __x64_sys_mount+0xc0/0xc0
[  279.784318][ T6406]  ? lockdep_hardirqs_on+0x98/0x150
[  279.789550][ T6406]  ? __x64_sys_mount+0x20/0xc0
[  279.794350][ T6406]  do_syscall_64+0x55/0xb0
[  279.798795][ T6406]  ? clear_bhb_loop+0x40/0x90
[  279.803517][ T6406]  ? clear_bhb_loop+0x40/0x90
[  279.808235][ T6406]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  279.814162][ T6406] RIP: 0033:0x7f90a9790eea
[  279.818613][ T6406] 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
[  279.838264][ T6406] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  279.846726][ T6406] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  279.854843][ T6406] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  279.862866][ T6406] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  279.870971][ T6406] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  279.878989][ T6406] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  279.887023][ T6406]  </TASK>
[  279.901258][ T6406] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  279.916699][ T6406] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.321724][ T6409] loop1: detected capacity change from 0 to 32768
[  280.331168][ T6409] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  280.339032][ T6409] CPU: 0 PID: 6409 Comm: syz.1.162 Not tainted syzkaller #0
[  280.346370][ T6409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  280.356455][ T6409] Call Trace:
[  280.359772][ T6409]  <TASK>
[  280.362736][ T6409]  dump_stack_lvl+0x16c/0x230
[  280.367457][ T6409]  ? show_regs_print_info+0x20/0x20
[  280.372698][ T6409]  ? load_image+0x3b0/0x3b0
[  280.377286][ T6409]  sysfs_create_dir_ns+0x256/0x280
[  280.382440][ T6409]  ? sysfs_warn_dup+0xa0/0xa0
[  280.387153][ T6409]  ? do_raw_spin_unlock+0x121/0x230
[  280.392420][ T6409]  kobject_add_internal+0x6b8/0xc70
[  280.397662][ T6409]  kobject_init_and_add+0x126/0x190
[  280.402902][ T6409]  ? lockdep_softirqs_off+0x430/0x430
[  280.408306][ T6409]  ? kobject_add+0x220/0x220
[  280.412937][ T6409]  ? __init_swait_queue_head+0xa9/0x150
[  280.418514][ T6409]  gfs2_sys_fs_add+0x238/0x470
[  280.423316][ T6409]  ? gfs2_recover_set+0x250/0x250
[  280.428388][ T6409]  ? apply_workqueue_attrs+0x180/0x180
[  280.433893][ T6409]  gfs2_fill_super+0x1323/0x1f80
[  280.438878][ T6409]  ? gfs2_reconfigure+0xb10/0xb10
[  280.443944][ T6409]  ? setup_bdev_super+0x56b/0x660
[  280.448998][ T6409]  get_tree_bdev+0x3e4/0x510
[  280.453616][ T6409]  ? end_current_label_crit_section+0x170/0x170
[  280.459892][ T6409]  ? gfs2_reconfigure+0xb10/0xb10
[  280.464957][ T6409]  ? setup_bdev_super+0x660/0x660
[  280.470023][ T6409]  gfs2_get_tree+0x51/0x1e0
[  280.474655][ T6409]  vfs_get_tree+0x8c/0x280
[  280.479103][ T6409]  do_new_mount+0x24b/0xa40
[  280.483640][ T6409]  __se_sys_mount+0x2da/0x3c0
[  280.488354][ T6409]  ? __x64_sys_mount+0xc0/0xc0
[  280.493155][ T6409]  ? lockdep_hardirqs_on+0x98/0x150
[  280.498444][ T6409]  ? __x64_sys_mount+0x20/0xc0
[  280.503249][ T6409]  do_syscall_64+0x55/0xb0
[  280.507721][ T6409]  ? clear_bhb_loop+0x40/0x90
[  280.512437][ T6409]  ? clear_bhb_loop+0x40/0x90
[  280.517148][ T6409]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  280.523169][ T6409] RIP: 0033:0x7f90a9790eea
[  280.527616][ T6409] 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
[  280.547350][ T6409] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  280.555974][ T6409] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  280.563979][ T6409] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  280.571980][ T6409] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  280.579986][ T6409] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  280.587991][ T6409] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  280.596007][ T6409]  </TASK>
[  280.605500][ T6409] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  280.619609][ T6409] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  280.661870][ T5950] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  281.111969][ T6412] loop1: detected capacity change from 0 to 32768
[  281.128960][ T6412] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.136419][ T6412] CPU: 0 PID: 6412 Comm: syz.1.163 Not tainted syzkaller #0
[  281.143758][ T6412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.153880][ T6412] Call Trace:
[  281.157222][ T6412]  <TASK>
[  281.160217][ T6412]  dump_stack_lvl+0x16c/0x230
[  281.164970][ T6412]  ? show_regs_print_info+0x20/0x20
[  281.170314][ T6412]  ? load_image+0x3b0/0x3b0
[  281.174891][ T6412]  sysfs_create_dir_ns+0x256/0x280
[  281.180076][ T6412]  ? sysfs_warn_dup+0xa0/0xa0
[  281.184831][ T6412]  ? do_raw_spin_unlock+0x121/0x230
[  281.190097][ T6412]  kobject_add_internal+0x6b8/0xc70
[  281.195361][ T6412]  kobject_init_and_add+0x126/0x190
[  281.200681][ T6412]  ? lockdep_softirqs_off+0x430/0x430
[  281.206088][ T6412]  ? kobject_add+0x220/0x220
[  281.210712][ T6412]  ? __init_swait_queue_head+0xa9/0x150
[  281.216291][ T6412]  gfs2_sys_fs_add+0x238/0x470
[  281.221094][ T6412]  ? gfs2_recover_set+0x250/0x250
[  281.226154][ T6412]  ? apply_workqueue_attrs+0x180/0x180
[  281.231657][ T6412]  gfs2_fill_super+0x1323/0x1f80
[  281.236646][ T6412]  ? gfs2_reconfigure+0xb10/0xb10
[  281.241731][ T6412]  ? setup_bdev_super+0x56b/0x660
[  281.246793][ T6412]  get_tree_bdev+0x3e4/0x510
[  281.251413][ T6412]  ? end_current_label_crit_section+0x170/0x170
[  281.257691][ T6412]  ? gfs2_reconfigure+0xb10/0xb10
[  281.262755][ T6412]  ? setup_bdev_super+0x660/0x660
[  281.267813][ T6412]  gfs2_get_tree+0x51/0x1e0
[  281.272352][ T6412]  vfs_get_tree+0x8c/0x280
[  281.276801][ T6412]  do_new_mount+0x24b/0xa40
[  281.281346][ T6412]  __se_sys_mount+0x2da/0x3c0
[  281.286063][ T6412]  ? __x64_sys_mount+0xc0/0xc0
[  281.290864][ T6412]  ? lockdep_hardirqs_on+0x98/0x150
[  281.296099][ T6412]  ? __x64_sys_mount+0x20/0xc0
[  281.300898][ T6412]  do_syscall_64+0x55/0xb0
[  281.305345][ T6412]  ? clear_bhb_loop+0x40/0x90
[  281.310055][ T6412]  ? clear_bhb_loop+0x40/0x90
[  281.314766][ T6412]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  281.320690][ T6412] RIP: 0033:0x7f90a9790eea
[  281.325133][ T6412] 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
[  281.345031][ T6412] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  281.353479][ T6412] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  281.361487][ T6412] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  281.369580][ T6412] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  281.377584][ T6412] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  281.385675][ T6412] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  281.393692][ T6412]  </TASK>
[  281.400018][ T6412] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  281.414054][ T6412] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  281.832899][ T6415] loop1: detected capacity change from 0 to 32768
[  281.846072][ T6415] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  281.853726][ T6415] CPU: 0 PID: 6415 Comm: syz.1.164 Not tainted syzkaller #0
[  281.861080][ T6415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  281.871193][ T6415] Call Trace:
[  281.874558][ T6415]  <TASK>
[  281.877538][ T6415]  dump_stack_lvl+0x16c/0x230
[  281.882284][ T6415]  ? show_regs_print_info+0x20/0x20
[  281.887598][ T6415]  ? load_image+0x3b0/0x3b0
[  281.892186][ T6415]  sysfs_create_dir_ns+0x256/0x280
[  281.897367][ T6415]  ? sysfs_warn_dup+0xa0/0xa0
[  281.902116][ T6415]  ? do_raw_spin_unlock+0x121/0x230
[  281.907395][ T6415]  kobject_add_internal+0x6b8/0xc70
[  281.912695][ T6415]  kobject_init_and_add+0x126/0x190
[  281.917962][ T6415]  ? lockdep_softirqs_off+0x430/0x430
[  281.923436][ T6415]  ? kobject_add+0x220/0x220
[  281.928105][ T6415]  ? __init_swait_queue_head+0xa9/0x150
[  281.933727][ T6415]  gfs2_sys_fs_add+0x238/0x470
[  281.938588][ T6415]  ? gfs2_recover_set+0x250/0x250
[  281.943684][ T6415]  ? apply_workqueue_attrs+0x180/0x180
[  281.949219][ T6415]  gfs2_fill_super+0x1323/0x1f80
[  281.954232][ T6415]  ? gfs2_reconfigure+0xb10/0xb10
[  281.959331][ T6415]  ? setup_bdev_super+0x56b/0x660
[  281.964426][ T6415]  get_tree_bdev+0x3e4/0x510
[  281.969075][ T6415]  ? end_current_label_crit_section+0x170/0x170
[  281.975395][ T6415]  ? gfs2_reconfigure+0xb10/0xb10
[  281.980580][ T6415]  ? setup_bdev_super+0x660/0x660
[  281.985664][ T6415]  gfs2_get_tree+0x51/0x1e0
[  281.990233][ T6415]  vfs_get_tree+0x8c/0x280
[  281.994706][ T6415]  do_new_mount+0x24b/0xa40
[  281.999266][ T6415]  __se_sys_mount+0x2da/0x3c0
[  282.004001][ T6415]  ? __x64_sys_mount+0xc0/0xc0
[  282.008827][ T6415]  ? lockdep_hardirqs_on+0x98/0x150
[  282.014075][ T6415]  ? __x64_sys_mount+0x20/0xc0
[  282.018892][ T6415]  do_syscall_64+0x55/0xb0
[  282.023365][ T6415]  ? clear_bhb_loop+0x40/0x90
[  282.028104][ T6415]  ? clear_bhb_loop+0x40/0x90
[  282.032844][ T6415]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  282.038789][ T6415] RIP: 0033:0x7f90a9790eea
[  282.043259][ T6415] 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
[  282.062931][ T6415] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.071402][ T6415] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  282.079414][ T6415] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  282.087410][ T6415] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  282.095412][ T6415] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  282.103407][ T6415] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  282.111428][ T6415]  </TASK>
[  282.115413][ T6415] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.131332][ T6415] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  282.598329][ T6418] loop1: detected capacity change from 0 to 32768
[  282.609210][ T6418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  282.616666][ T6418] CPU: 1 PID: 6418 Comm: syz.1.165 Not tainted syzkaller #0
[  282.624134][ T6418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  282.634247][ T6418] Call Trace:
[  282.637577][ T6418]  <TASK>
[  282.640556][ T6418]  dump_stack_lvl+0x16c/0x230
[  282.645312][ T6418]  ? show_regs_print_info+0x20/0x20
[  282.650668][ T6418]  ? load_image+0x3b0/0x3b0
[  282.655249][ T6418]  sysfs_create_dir_ns+0x256/0x280
[  282.660434][ T6418]  ? sysfs_warn_dup+0xa0/0xa0
[  282.665192][ T6418]  ? do_raw_spin_unlock+0x121/0x230
[  282.670458][ T6418]  kobject_add_internal+0x6b8/0xc70
[  282.675770][ T6418]  kobject_init_and_add+0x126/0x190
[  282.681042][ T6418]  ? lockdep_softirqs_off+0x430/0x430
[  282.686529][ T6418]  ? kobject_add+0x220/0x220
[  282.691192][ T6418]  ? __init_swait_queue_head+0xa9/0x150
[  282.696809][ T6418]  gfs2_sys_fs_add+0x238/0x470
[  282.701644][ T6418]  ? gfs2_recover_set+0x250/0x250
[  282.706754][ T6418]  ? apply_workqueue_attrs+0x180/0x180
[  282.712373][ T6418]  gfs2_fill_super+0x1323/0x1f80
[  282.717479][ T6418]  ? gfs2_reconfigure+0xb10/0xb10
[  282.722580][ T6418]  ? setup_bdev_super+0x56b/0x660
[  282.727668][ T6418]  get_tree_bdev+0x3e4/0x510
[  282.732312][ T6418]  ? end_current_label_crit_section+0x170/0x170
[  282.738614][ T6418]  ? gfs2_reconfigure+0xb10/0xb10
[  282.743782][ T6418]  ? setup_bdev_super+0x660/0x660
[  282.748875][ T6418]  gfs2_get_tree+0x51/0x1e0
[  282.753451][ T6418]  vfs_get_tree+0x8c/0x280
[  282.757930][ T6418]  do_new_mount+0x24b/0xa40
[  282.762498][ T6418]  __se_sys_mount+0x2da/0x3c0
[  282.767219][ T6418]  ? __x64_sys_mount+0xc0/0xc0
[  282.772024][ T6418]  ? lockdep_hardirqs_on+0x98/0x150
[  282.777268][ T6418]  ? __x64_sys_mount+0x20/0xc0
[  282.782066][ T6418]  do_syscall_64+0x55/0xb0
[  282.786522][ T6418]  ? clear_bhb_loop+0x40/0x90
[  282.791238][ T6418]  ? clear_bhb_loop+0x40/0x90
[  282.795961][ T6418]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  282.801890][ T6418] RIP: 0033:0x7f90a9790eea
[  282.806341][ T6418] 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
[  282.826003][ T6418] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  282.834466][ T6418] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  282.842465][ T6418] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  282.850606][ T6418] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  282.858622][ T6418] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  282.866674][ T6418] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  282.874696][ T6418]  </TASK>
[  282.896996][ T6418] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  282.913331][ T6418] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 21:28:41 executed programs: 151
[  283.371463][ T6421] loop1: detected capacity change from 0 to 32768
[  283.392010][ T6421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  283.399838][ T6421] CPU: 0 PID: 6421 Comm: syz.1.166 Not tainted syzkaller #0
[  283.407289][ T6421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  283.417414][ T6421] Call Trace:
[  283.420761][ T6421]  <TASK>
[  283.423749][ T6421]  dump_stack_lvl+0x16c/0x230
[  283.428515][ T6421]  ? show_regs_print_info+0x20/0x20
[  283.433811][ T6421]  ? load_image+0x3b0/0x3b0
[  283.438390][ T6421]  sysfs_create_dir_ns+0x256/0x280
[  283.443585][ T6421]  ? sysfs_warn_dup+0xa0/0xa0
[  283.448345][ T6421]  ? do_raw_spin_unlock+0x121/0x230
[  283.453611][ T6421]  kobject_add_internal+0x6b8/0xc70
[  283.458977][ T6421]  kobject_init_and_add+0x126/0x190
[  283.464331][ T6421]  ? lockdep_softirqs_off+0x430/0x430
[  283.469780][ T6421]  ? kobject_add+0x220/0x220
[  283.474525][ T6421]  ? __init_swait_queue_head+0xa9/0x150
[  283.480136][ T6421]  gfs2_sys_fs_add+0x238/0x470
[  283.484972][ T6421]  ? gfs2_recover_set+0x250/0x250
[  283.490168][ T6421]  ? apply_workqueue_attrs+0x180/0x180
[  283.495800][ T6421]  gfs2_fill_super+0x1323/0x1f80
[  283.500814][ T6421]  ? gfs2_reconfigure+0xb10/0xb10
[  283.505910][ T6421]  ? setup_bdev_super+0x56b/0x660
[  283.511002][ T6421]  get_tree_bdev+0x3e4/0x510
[  283.515644][ T6421]  ? end_current_label_crit_section+0x170/0x170
[  283.521934][ T6421]  ? gfs2_reconfigure+0xb10/0xb10
[  283.526998][ T6421]  ? setup_bdev_super+0x660/0x660
[  283.532072][ T6421]  gfs2_get_tree+0x51/0x1e0
[  283.536621][ T6421]  vfs_get_tree+0x8c/0x280
[  283.541074][ T6421]  do_new_mount+0x24b/0xa40
[  283.545612][ T6421]  __se_sys_mount+0x2da/0x3c0
[  283.550528][ T6421]  ? __x64_sys_mount+0xc0/0xc0
[  283.555329][ T6421]  ? lockdep_hardirqs_on+0x98/0x150
[  283.560564][ T6421]  ? __x64_sys_mount+0x20/0xc0
[  283.565361][ T6421]  do_syscall_64+0x55/0xb0
[  283.569808][ T6421]  ? clear_bhb_loop+0x40/0x90
[  283.574513][ T6421]  ? clear_bhb_loop+0x40/0x90
[  283.579242][ T6421]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  283.585169][ T6421] RIP: 0033:0x7f90a9790eea
[  283.589614][ T6421] 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
[  283.609342][ T6421] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  283.617790][ T6421] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  283.625970][ T6421] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  283.634319][ T6421] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  283.642407][ T6421] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  283.650404][ T6421] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  283.658429][ T6421]  </TASK>
[  283.672039][ T6421] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  283.686578][ T6421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.102605][ T6424] loop1: detected capacity change from 0 to 32768
[  284.116290][ T6424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.124833][ T6424] CPU: 1 PID: 6424 Comm: syz.1.167 Not tainted syzkaller #0
[  284.132172][ T6424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.142522][ T6424] Call Trace:
[  284.146118][ T6424]  <TASK>
[  284.149081][ T6424]  dump_stack_lvl+0x16c/0x230
[  284.153807][ T6424]  ? show_regs_print_info+0x20/0x20
[  284.159056][ T6424]  ? load_image+0x3b0/0x3b0
[  284.163604][ T6424]  sysfs_create_dir_ns+0x256/0x280
[  284.168754][ T6424]  ? sysfs_warn_dup+0xa0/0xa0
[  284.173468][ T6424]  ? do_raw_spin_unlock+0x121/0x230
[  284.178705][ T6424]  kobject_add_internal+0x6b8/0xc70
[  284.183943][ T6424]  kobject_init_and_add+0x126/0x190
[  284.189172][ T6424]  ? lockdep_softirqs_off+0x430/0x430
[  284.194572][ T6424]  ? kobject_add+0x220/0x220
[  284.199194][ T6424]  ? __init_swait_queue_head+0xa9/0x150
[  284.204771][ T6424]  gfs2_sys_fs_add+0x238/0x470
[  284.209566][ T6424]  ? gfs2_recover_set+0x250/0x250
[  284.214631][ T6424]  ? apply_workqueue_attrs+0x180/0x180
[  284.220128][ T6424]  gfs2_fill_super+0x1323/0x1f80
[  284.225132][ T6424]  ? gfs2_reconfigure+0xb10/0xb10
[  284.230215][ T6424]  ? setup_bdev_super+0x56b/0x660
[  284.235277][ T6424]  get_tree_bdev+0x3e4/0x510
[  284.239934][ T6424]  ? end_current_label_crit_section+0x170/0x170
[  284.246208][ T6424]  ? gfs2_reconfigure+0xb10/0xb10
[  284.251357][ T6424]  ? setup_bdev_super+0x660/0x660
[  284.256415][ T6424]  gfs2_get_tree+0x51/0x1e0
[  284.260959][ T6424]  vfs_get_tree+0x8c/0x280
[  284.265409][ T6424]  do_new_mount+0x24b/0xa40
[  284.269944][ T6424]  __se_sys_mount+0x2da/0x3c0
[  284.274651][ T6424]  ? __x64_sys_mount+0xc0/0xc0
[  284.279444][ T6424]  ? lockdep_hardirqs_on+0x98/0x150
[  284.284677][ T6424]  ? __x64_sys_mount+0x20/0xc0
[  284.289471][ T6424]  do_syscall_64+0x55/0xb0
[  284.293915][ T6424]  ? clear_bhb_loop+0x40/0x90
[  284.298623][ T6424]  ? clear_bhb_loop+0x40/0x90
[  284.303336][ T6424]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  284.309262][ T6424] RIP: 0033:0x7f90a9790eea
[  284.313700][ T6424] 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
[  284.333340][ T6424] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  284.341783][ T6424] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  284.349778][ T6424] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  284.357780][ T6424] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  284.365784][ T6424] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  284.373780][ T6424] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  284.381788][ T6424]  </TASK>
[  284.393151][ T6424] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  284.414816][ T6424] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  284.861764][ T6427] loop1: detected capacity change from 0 to 32768
[  284.875813][ T6427] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  284.883477][ T6427] CPU: 1 PID: 6427 Comm: syz.1.168 Not tainted syzkaller #0
[  284.890817][ T6427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  284.900972][ T6427] Call Trace:
[  284.904308][ T6427]  <TASK>
[  284.907303][ T6427]  dump_stack_lvl+0x16c/0x230
[  284.912049][ T6427]  ? show_regs_print_info+0x20/0x20
[  284.917314][ T6427]  ? load_image+0x3b0/0x3b0
[  284.921912][ T6427]  sysfs_create_dir_ns+0x256/0x280
[  284.927100][ T6427]  ? sysfs_warn_dup+0xa0/0xa0
[  284.931844][ T6427]  ? do_raw_spin_unlock+0x121/0x230
[  284.937125][ T6427]  kobject_add_internal+0x6b8/0xc70
[  284.942396][ T6427]  kobject_init_and_add+0x126/0x190
[  284.947646][ T6427]  ? lockdep_softirqs_off+0x430/0x430
[  284.953074][ T6427]  ? kobject_add+0x220/0x220
[  284.957736][ T6427]  ? __init_swait_queue_head+0xa9/0x150
[  284.963344][ T6427]  gfs2_sys_fs_add+0x238/0x470
[  284.968176][ T6427]  ? gfs2_recover_set+0x250/0x250
[  284.973289][ T6427]  ? apply_workqueue_attrs+0x180/0x180
[  284.978825][ T6427]  gfs2_fill_super+0x1323/0x1f80
[  284.983847][ T6427]  ? gfs2_reconfigure+0xb10/0xb10
[  284.988951][ T6427]  ? setup_bdev_super+0x56b/0x660
[  284.994021][ T6427]  get_tree_bdev+0x3e4/0x510
[  284.998645][ T6427]  ? end_current_label_crit_section+0x170/0x170
[  285.004920][ T6427]  ? gfs2_reconfigure+0xb10/0xb10
[  285.010071][ T6427]  ? setup_bdev_super+0x660/0x660
[  285.015124][ T6427]  gfs2_get_tree+0x51/0x1e0
[  285.019689][ T6427]  vfs_get_tree+0x8c/0x280
[  285.024481][ T6427]  do_new_mount+0x24b/0xa40
[  285.029020][ T6427]  __se_sys_mount+0x2da/0x3c0
[  285.033737][ T6427]  ? __x64_sys_mount+0xc0/0xc0
[  285.038643][ T6427]  ? lockdep_hardirqs_on+0x98/0x150
[  285.043883][ T6427]  ? __x64_sys_mount+0x20/0xc0
[  285.048778][ T6427]  do_syscall_64+0x55/0xb0
[  285.053230][ T6427]  ? clear_bhb_loop+0x40/0x90
[  285.057976][ T6427]  ? clear_bhb_loop+0x40/0x90
[  285.062722][ T6427]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  285.068652][ T6427] RIP: 0033:0x7f90a9790eea
[  285.073093][ T6427] 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
[  285.092825][ T6427] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.101273][ T6427] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  285.109268][ T6427] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  285.117286][ T6427] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  285.125285][ T6427] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  285.133296][ T6427] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  285.141313][ T6427]  </TASK>
[  285.148059][ T6427] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.162173][ T6427] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  285.568414][ T6430] loop1: detected capacity change from 0 to 32768
[  285.587478][ T6430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  285.595052][ T6430] CPU: 1 PID: 6430 Comm: syz.1.169 Not tainted syzkaller #0
[  285.602428][ T6430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  285.612544][ T6430] Call Trace:
[  285.615876][ T6430]  <TASK>
[  285.618855][ T6430]  dump_stack_lvl+0x16c/0x230
[  285.623605][ T6430]  ? show_regs_print_info+0x20/0x20
[  285.628888][ T6430]  ? load_image+0x3b0/0x3b0
[  285.633469][ T6430]  sysfs_create_dir_ns+0x256/0x280
[  285.638656][ T6430]  ? sysfs_warn_dup+0xa0/0xa0
[  285.643410][ T6430]  ? do_raw_spin_unlock+0x121/0x230
[  285.648775][ T6430]  kobject_add_internal+0x6b8/0xc70
[  285.654063][ T6430]  kobject_init_and_add+0x126/0x190
[  285.659417][ T6430]  ? lockdep_softirqs_off+0x430/0x430
[  285.664853][ T6430]  ? kobject_add+0x220/0x220
[  285.669510][ T6430]  ? __init_swait_queue_head+0xa9/0x150
[  285.675122][ T6430]  gfs2_sys_fs_add+0x238/0x470
[  285.679952][ T6430]  ? gfs2_recover_set+0x250/0x250
[  285.685057][ T6430]  ? apply_workqueue_attrs+0x180/0x180
[  285.690628][ T6430]  gfs2_fill_super+0x1323/0x1f80
[  285.695773][ T6430]  ? gfs2_reconfigure+0xb10/0xb10
[  285.700870][ T6430]  ? setup_bdev_super+0x56b/0x660
[  285.705931][ T6430]  get_tree_bdev+0x3e4/0x510
[  285.710633][ T6430]  ? end_current_label_crit_section+0x170/0x170
[  285.716912][ T6430]  ? gfs2_reconfigure+0xb10/0xb10
[  285.722321][ T6430]  ? setup_bdev_super+0x660/0x660
[  285.727383][ T6430]  gfs2_get_tree+0x51/0x1e0
[  285.731962][ T6430]  vfs_get_tree+0x8c/0x280
[  285.736410][ T6430]  do_new_mount+0x24b/0xa40
[  285.740953][ T6430]  __se_sys_mount+0x2da/0x3c0
[  285.745697][ T6430]  ? __x64_sys_mount+0xc0/0xc0
[  285.750497][ T6430]  ? lockdep_hardirqs_on+0x98/0x150
[  285.755726][ T6430]  ? __x64_sys_mount+0x20/0xc0
[  285.760519][ T6430]  do_syscall_64+0x55/0xb0
[  285.764966][ T6430]  ? clear_bhb_loop+0x40/0x90
[  285.769679][ T6430]  ? clear_bhb_loop+0x40/0x90
[  285.774393][ T6430]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  285.780318][ T6430] RIP: 0033:0x7f90a9790eea
[  285.784761][ T6430] 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
[  285.804419][ T6430] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  285.812955][ T6430] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  285.820959][ T6430] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  285.828972][ T6430] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  285.837066][ T6430] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  285.845069][ T6430] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  285.853094][ T6430]  </TASK>
[  285.860718][ T6430] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  285.880898][ T6430] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  286.287487][ T6433] loop1: detected capacity change from 0 to 32768
[  286.296626][ T6433] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  286.306835][ T6433] CPU: 0 PID: 6433 Comm: syz.1.170 Not tainted syzkaller #0
[  286.314190][ T6433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  286.324274][ T6433] Call Trace:
[  286.327587][ T6433]  <TASK>
[  286.330550][ T6433]  dump_stack_lvl+0x16c/0x230
[  286.335306][ T6433]  ? show_regs_print_info+0x20/0x20
[  286.340542][ T6433]  ? load_image+0x3b0/0x3b0
[  286.345101][ T6433]  sysfs_create_dir_ns+0x256/0x280
[  286.350436][ T6433]  ? sysfs_warn_dup+0xa0/0xa0
[  286.355156][ T6433]  ? do_raw_spin_unlock+0x121/0x230
[  286.360394][ T6433]  kobject_add_internal+0x6b8/0xc70
[  286.365660][ T6433]  kobject_init_and_add+0x126/0x190
[  286.370893][ T6433]  ? lockdep_softirqs_off+0x430/0x430
[  286.376313][ T6433]  ? kobject_add+0x220/0x220
[  286.380950][ T6433]  ? __init_swait_queue_head+0xa9/0x150
[  286.386535][ T6433]  gfs2_sys_fs_add+0x238/0x470
[  286.391345][ T6433]  ? gfs2_recover_set+0x250/0x250
[  286.396417][ T6433]  ? apply_workqueue_attrs+0x180/0x180
[  286.401994][ T6433]  gfs2_fill_super+0x1323/0x1f80
[  286.406982][ T6433]  ? gfs2_reconfigure+0xb10/0xb10
[  286.412050][ T6433]  ? setup_bdev_super+0x56b/0x660
[  286.417122][ T6433]  get_tree_bdev+0x3e4/0x510
[  286.421765][ T6433]  ? end_current_label_crit_section+0x170/0x170
[  286.428038][ T6433]  ? gfs2_reconfigure+0xb10/0xb10
[  286.433105][ T6433]  ? setup_bdev_super+0x660/0x660
[  286.438257][ T6433]  gfs2_get_tree+0x51/0x1e0
[  286.442815][ T6433]  vfs_get_tree+0x8c/0x280
[  286.447260][ T6433]  do_new_mount+0x24b/0xa40
[  286.451845][ T6433]  __se_sys_mount+0x2da/0x3c0
[  286.456558][ T6433]  ? __x64_sys_mount+0xc0/0xc0
[  286.461351][ T6433]  ? lockdep_hardirqs_on+0x98/0x150
[  286.466582][ T6433]  ? __x64_sys_mount+0x20/0xc0
[  286.471379][ T6433]  do_syscall_64+0x55/0xb0
[  286.475833][ T6433]  ? clear_bhb_loop+0x40/0x90
[  286.480558][ T6433]  ? clear_bhb_loop+0x40/0x90
[  286.485265][ T6433]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  286.491189][ T6433] RIP: 0033:0x7f90a9790eea
[  286.495634][ T6433] 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
[  286.515269][ T6433] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  286.523715][ T6433] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  286.531724][ T6433] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  286.539721][ T6433] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  286.547722][ T6433] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  286.555719][ T6433] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  286.563819][ T6433]  </TASK>
[  286.567691][ T6433] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  286.589234][ T6433] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.021435][ T6436] loop1: detected capacity change from 0 to 32768
[  287.038688][ T6436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.046138][ T6436] CPU: 0 PID: 6436 Comm: syz.1.171 Not tainted syzkaller #0
[  287.053470][ T6436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.063576][ T6436] Call Trace:
[  287.066888][ T6436]  <TASK>
[  287.069850][ T6436]  dump_stack_lvl+0x16c/0x230
[  287.074660][ T6436]  ? show_regs_print_info+0x20/0x20
[  287.079904][ T6436]  ? load_image+0x3b0/0x3b0
[  287.084457][ T6436]  sysfs_create_dir_ns+0x256/0x280
[  287.089607][ T6436]  ? sysfs_warn_dup+0xa0/0xa0
[  287.094325][ T6436]  ? do_raw_spin_unlock+0x121/0x230
[  287.099574][ T6436]  kobject_add_internal+0x6b8/0xc70
[  287.104824][ T6436]  kobject_init_and_add+0x126/0x190
[  287.110071][ T6436]  ? lockdep_softirqs_off+0x430/0x430
[  287.115476][ T6436]  ? kobject_add+0x220/0x220
[  287.120099][ T6436]  ? __init_swait_queue_head+0xa9/0x150
[  287.125678][ T6436]  gfs2_sys_fs_add+0x238/0x470
[  287.130487][ T6436]  ? gfs2_recover_set+0x250/0x250
[  287.135568][ T6436]  ? apply_workqueue_attrs+0x180/0x180
[  287.141066][ T6436]  gfs2_fill_super+0x1323/0x1f80
[  287.146054][ T6436]  ? gfs2_reconfigure+0xb10/0xb10
[  287.151122][ T6436]  ? setup_bdev_super+0x56b/0x660
[  287.156177][ T6436]  get_tree_bdev+0x3e4/0x510
[  287.160886][ T6436]  ? end_current_label_crit_section+0x170/0x170
[  287.167330][ T6436]  ? gfs2_reconfigure+0xb10/0xb10
[  287.172399][ T6436]  ? setup_bdev_super+0x660/0x660
[  287.177465][ T6436]  gfs2_get_tree+0x51/0x1e0
[  287.182027][ T6436]  vfs_get_tree+0x8c/0x280
[  287.186468][ T6436]  do_new_mount+0x24b/0xa40
[  287.191005][ T6436]  __se_sys_mount+0x2da/0x3c0
[  287.195726][ T6436]  ? __x64_sys_mount+0xc0/0xc0
[  287.200526][ T6436]  ? lockdep_hardirqs_on+0x98/0x150
[  287.205758][ T6436]  ? __x64_sys_mount+0x20/0xc0
[  287.210553][ T6436]  do_syscall_64+0x55/0xb0
[  287.215174][ T6436]  ? clear_bhb_loop+0x40/0x90
[  287.219977][ T6436]  ? clear_bhb_loop+0x40/0x90
[  287.224697][ T6436]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  287.230624][ T6436] RIP: 0033:0x7f90a9790eea
[  287.235067][ T6436] 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
[  287.255138][ T6436] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.263578][ T6436] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  287.271582][ T6436] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  287.279609][ T6436] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  287.287611][ T6436] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  287.295615][ T6436] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  287.303645][ T6436]  </TASK>
[  287.319314][ T6436] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  287.339620][ T6436] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  287.749543][ T6439] loop1: detected capacity change from 0 to 32768
[  287.760020][ T6439] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  287.767521][ T6439] CPU: 0 PID: 6439 Comm: syz.1.172 Not tainted syzkaller #0
[  287.774864][ T6439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  287.785057][ T6439] Call Trace:
[  287.788385][ T6439]  <TASK>
[  287.791361][ T6439]  dump_stack_lvl+0x16c/0x230
[  287.796110][ T6439]  ? show_regs_print_info+0x20/0x20
[  287.801383][ T6439]  ? load_image+0x3b0/0x3b0
[  287.805949][ T6439]  sysfs_create_dir_ns+0x256/0x280
[  287.811134][ T6439]  ? sysfs_warn_dup+0xa0/0xa0
[  287.815885][ T6439]  ? do_raw_spin_unlock+0x121/0x230
[  287.821166][ T6439]  kobject_add_internal+0x6b8/0xc70
[  287.826436][ T6439]  kobject_init_and_add+0x126/0x190
[  287.831699][ T6439]  ? lockdep_softirqs_off+0x430/0x430
[  287.837137][ T6439]  ? kobject_add+0x220/0x220
[  287.841798][ T6439]  ? __init_swait_queue_head+0xa9/0x150
[  287.847412][ T6439]  gfs2_sys_fs_add+0x238/0x470
[  287.852242][ T6439]  ? gfs2_recover_set+0x250/0x250
[  287.857341][ T6439]  ? apply_workqueue_attrs+0x180/0x180
[  287.862872][ T6439]  gfs2_fill_super+0x1323/0x1f80
[  287.867916][ T6439]  ? gfs2_reconfigure+0xb10/0xb10
[  287.873039][ T6439]  ? setup_bdev_super+0x56b/0x660
[  287.878128][ T6439]  get_tree_bdev+0x3e4/0x510
[  287.882774][ T6439]  ? end_current_label_crit_section+0x170/0x170
[  287.889122][ T6439]  ? gfs2_reconfigure+0xb10/0xb10
[  287.894210][ T6439]  ? setup_bdev_super+0x660/0x660
[  287.899303][ T6439]  gfs2_get_tree+0x51/0x1e0
[  287.903871][ T6439]  vfs_get_tree+0x8c/0x280
[  287.908338][ T6439]  do_new_mount+0x24b/0xa40
[  287.912902][ T6439]  __se_sys_mount+0x2da/0x3c0
[  287.917649][ T6439]  ? __x64_sys_mount+0xc0/0xc0
[  287.922509][ T6439]  ? lockdep_hardirqs_on+0x98/0x150
[  287.927771][ T6439]  ? __x64_sys_mount+0x20/0xc0
[  287.932594][ T6439]  do_syscall_64+0x55/0xb0
[  287.937087][ T6439]  ? clear_bhb_loop+0x40/0x90
[  287.941825][ T6439]  ? clear_bhb_loop+0x40/0x90
[  287.946573][ T6439]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  287.952524][ T6439] RIP: 0033:0x7f90a9790eea
[  287.956994][ T6439] 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
[  287.976657][ T6439] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  287.985225][ T6439] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  287.993346][ T6439] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  288.001757][ T6439] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  288.009749][ T6439] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  288.017740][ T6439] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  288.025770][ T6439]  </TASK>
[  288.029565][ T6439] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.043742][ T6439] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 21:28:46 executed programs: 158
[  288.512718][ T6442] loop1: detected capacity change from 0 to 32768
[  288.525903][ T6442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  288.534350][ T6442] CPU: 0 PID: 6442 Comm: syz.1.173 Not tainted syzkaller #0
[  288.541706][ T6442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  288.551794][ T6442] Call Trace:
[  288.555101][ T6442]  <TASK>
[  288.558063][ T6442]  dump_stack_lvl+0x16c/0x230
[  288.562783][ T6442]  ? show_regs_print_info+0x20/0x20
[  288.568020][ T6442]  ? load_image+0x3b0/0x3b0
[  288.572834][ T6442]  sysfs_create_dir_ns+0x256/0x280
[  288.578080][ T6442]  ? sysfs_warn_dup+0xa0/0xa0
[  288.582801][ T6442]  ? do_raw_spin_unlock+0x121/0x230
[  288.588037][ T6442]  kobject_add_internal+0x6b8/0xc70
[  288.593291][ T6442]  kobject_init_and_add+0x126/0x190
[  288.598532][ T6442]  ? lockdep_softirqs_off+0x430/0x430
[  288.603942][ T6442]  ? kobject_add+0x220/0x220
[  288.608590][ T6442]  ? __init_swait_queue_head+0xa9/0x150
[  288.614171][ T6442]  gfs2_sys_fs_add+0x238/0x470
[  288.619005][ T6442]  ? gfs2_recover_set+0x250/0x250
[  288.624103][ T6442]  ? apply_workqueue_attrs+0x180/0x180
[  288.629639][ T6442]  gfs2_fill_super+0x1323/0x1f80
[  288.634638][ T6442]  ? gfs2_reconfigure+0xb10/0xb10
[  288.639708][ T6442]  ? setup_bdev_super+0x56b/0x660
[  288.644773][ T6442]  get_tree_bdev+0x3e4/0x510
[  288.649572][ T6442]  ? end_current_label_crit_section+0x170/0x170
[  288.655864][ T6442]  ? gfs2_reconfigure+0xb10/0xb10
[  288.660928][ T6442]  ? setup_bdev_super+0x660/0x660
[  288.665995][ T6442]  gfs2_get_tree+0x51/0x1e0
[  288.670541][ T6442]  vfs_get_tree+0x8c/0x280
[  288.674991][ T6442]  do_new_mount+0x24b/0xa40
[  288.679552][ T6442]  __se_sys_mount+0x2da/0x3c0
[  288.684286][ T6442]  ? __x64_sys_mount+0xc0/0xc0
[  288.689121][ T6442]  ? lockdep_hardirqs_on+0x98/0x150
[  288.694361][ T6442]  ? __x64_sys_mount+0x20/0xc0
[  288.699155][ T6442]  do_syscall_64+0x55/0xb0
[  288.703599][ T6442]  ? clear_bhb_loop+0x40/0x90
[  288.708312][ T6442]  ? clear_bhb_loop+0x40/0x90
[  288.713028][ T6442]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  288.718992][ T6442] RIP: 0033:0x7f90a9790eea
[  288.723440][ T6442] 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
[  288.743088][ T6442] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  288.751535][ T6442] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  288.759535][ T6442] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  288.767536][ T6442] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  288.775545][ T6442] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  288.783551][ T6442] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  288.791588][ T6442]  </TASK>
[  288.797505][ T6442] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  288.815289][ T6442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.247395][ T6445] loop1: detected capacity change from 0 to 32768
[  289.260682][ T6445] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.269828][ T6445] CPU: 1 PID: 6445 Comm: syz.1.174 Not tainted syzkaller #0
[  289.277191][ T6445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  289.287380][ T6445] Call Trace:
[  289.290695][ T6445]  <TASK>
[  289.293659][ T6445]  dump_stack_lvl+0x16c/0x230
[  289.298389][ T6445]  ? show_regs_print_info+0x20/0x20
[  289.303641][ T6445]  ? load_image+0x3b0/0x3b0
[  289.308193][ T6445]  sysfs_create_dir_ns+0x256/0x280
[  289.313348][ T6445]  ? sysfs_warn_dup+0xa0/0xa0
[  289.318057][ T6445]  ? do_raw_spin_unlock+0x121/0x230
[  289.323295][ T6445]  kobject_add_internal+0x6b8/0xc70
[  289.328561][ T6445]  kobject_init_and_add+0x126/0x190
[  289.333803][ T6445]  ? lockdep_softirqs_off+0x430/0x430
[  289.339207][ T6445]  ? kobject_add+0x220/0x220
[  289.343844][ T6445]  ? __init_swait_queue_head+0xa9/0x150
[  289.349426][ T6445]  gfs2_sys_fs_add+0x238/0x470
[  289.354226][ T6445]  ? gfs2_recover_set+0x250/0x250
[  289.359296][ T6445]  ? apply_workqueue_attrs+0x180/0x180
[  289.364800][ T6445]  gfs2_fill_super+0x1323/0x1f80
[  289.369798][ T6445]  ? gfs2_reconfigure+0xb10/0xb10
[  289.374878][ T6445]  ? setup_bdev_super+0x56b/0x660
[  289.379932][ T6445]  get_tree_bdev+0x3e4/0x510
[  289.384638][ T6445]  ? end_current_label_crit_section+0x170/0x170
[  289.390915][ T6445]  ? gfs2_reconfigure+0xb10/0xb10
[  289.395973][ T6445]  ? setup_bdev_super+0x660/0x660
[  289.401130][ T6445]  gfs2_get_tree+0x51/0x1e0
[  289.405674][ T6445]  vfs_get_tree+0x8c/0x280
[  289.410131][ T6445]  do_new_mount+0x24b/0xa40
[  289.414673][ T6445]  __se_sys_mount+0x2da/0x3c0
[  289.419402][ T6445]  ? __x64_sys_mount+0xc0/0xc0
[  289.424215][ T6445]  ? lockdep_hardirqs_on+0x98/0x150
[  289.429555][ T6445]  ? __x64_sys_mount+0x20/0xc0
[  289.434361][ T6445]  do_syscall_64+0x55/0xb0
[  289.438808][ T6445]  ? clear_bhb_loop+0x40/0x90
[  289.443523][ T6445]  ? clear_bhb_loop+0x40/0x90
[  289.448237][ T6445]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  289.454173][ T6445] RIP: 0033:0x7f90a9790eea
[  289.458626][ T6445] 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
[  289.478266][ T6445] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  289.486717][ T6445] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  289.494719][ T6445] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  289.502720][ T6445] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  289.510722][ T6445] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  289.518725][ T6445] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  289.526741][ T6445]  </TASK>
[  289.534926][ T6445] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  289.557793][ T6445] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  289.978148][ T6448] loop1: detected capacity change from 0 to 32768
[  289.991636][ T6448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  289.999982][ T6448] CPU: 1 PID: 6448 Comm: syz.1.175 Not tainted syzkaller #0
[  290.007339][ T6448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.017449][ T6448] Call Trace:
[  290.020784][ T6448]  <TASK>
[  290.023755][ T6448]  dump_stack_lvl+0x16c/0x230
[  290.028500][ T6448]  ? show_regs_print_info+0x20/0x20
[  290.033748][ T6448]  ? load_image+0x3b0/0x3b0
[  290.038315][ T6448]  sysfs_create_dir_ns+0x256/0x280
[  290.043499][ T6448]  ? sysfs_warn_dup+0xa0/0xa0
[  290.048237][ T6448]  ? do_raw_spin_unlock+0x121/0x230
[  290.053475][ T6448]  kobject_add_internal+0x6b8/0xc70
[  290.058733][ T6448]  kobject_init_and_add+0x126/0x190
[  290.063969][ T6448]  ? lockdep_softirqs_off+0x430/0x430
[  290.069386][ T6448]  ? kobject_add+0x220/0x220
[  290.074017][ T6448]  ? __init_swait_queue_head+0xa9/0x150
[  290.079688][ T6448]  gfs2_sys_fs_add+0x238/0x470
[  290.084488][ T6448]  ? gfs2_recover_set+0x250/0x250
[  290.089559][ T6448]  ? apply_workqueue_attrs+0x180/0x180
[  290.095063][ T6448]  gfs2_fill_super+0x1323/0x1f80
[  290.100048][ T6448]  ? gfs2_reconfigure+0xb10/0xb10
[  290.105124][ T6448]  ? setup_bdev_super+0x56b/0x660
[  290.110182][ T6448]  get_tree_bdev+0x3e4/0x510
[  290.114803][ T6448]  ? end_current_label_crit_section+0x170/0x170
[  290.121072][ T6448]  ? gfs2_reconfigure+0xb10/0xb10
[  290.126137][ T6448]  ? setup_bdev_super+0x660/0x660
[  290.131204][ T6448]  gfs2_get_tree+0x51/0x1e0
[  290.135863][ T6448]  vfs_get_tree+0x8c/0x280
[  290.140308][ T6448]  do_new_mount+0x24b/0xa40
[  290.144855][ T6448]  __se_sys_mount+0x2da/0x3c0
[  290.149568][ T6448]  ? __x64_sys_mount+0xc0/0xc0
[  290.154359][ T6448]  ? lockdep_hardirqs_on+0x98/0x150
[  290.159588][ T6448]  ? __x64_sys_mount+0x20/0xc0
[  290.164388][ T6448]  do_syscall_64+0x55/0xb0
[  290.168870][ T6448]  ? clear_bhb_loop+0x40/0x90
[  290.173839][ T6448]  ? clear_bhb_loop+0x40/0x90
[  290.178546][ T6448]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  290.184466][ T6448] RIP: 0033:0x7f90a9790eea
[  290.188910][ T6448] 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
[  290.208548][ T6448] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.216989][ T6448] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  290.224992][ T6448] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  290.232989][ T6448] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  290.240985][ T6448] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  290.248992][ T6448] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  290.257007][ T6448]  </TASK>
[  290.264031][ T6448] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  290.283442][ T6448] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  290.701411][ T6451] loop1: detected capacity change from 0 to 32768
[  290.715228][ T6451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  290.723567][ T6451] CPU: 0 PID: 6451 Comm: syz.1.176 Not tainted syzkaller #0
[  290.730908][ T6451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  290.740994][ T6451] Call Trace:
[  290.744298][ T6451]  <TASK>
[  290.747254][ T6451]  dump_stack_lvl+0x16c/0x230
[  290.751982][ T6451]  ? show_regs_print_info+0x20/0x20
[  290.757212][ T6451]  ? load_image+0x3b0/0x3b0
[  290.761794][ T6451]  sysfs_create_dir_ns+0x256/0x280
[  290.767126][ T6451]  ? sysfs_warn_dup+0xa0/0xa0
[  290.771840][ T6451]  ? do_raw_spin_unlock+0x121/0x230
[  290.777068][ T6451]  kobject_add_internal+0x6b8/0xc70
[  290.782654][ T6451]  kobject_init_and_add+0x126/0x190
[  290.787893][ T6451]  ? lockdep_softirqs_off+0x430/0x430
[  290.793300][ T6451]  ? kobject_add+0x220/0x220
[  290.797932][ T6451]  ? __init_swait_queue_head+0xa9/0x150
[  290.803510][ T6451]  gfs2_sys_fs_add+0x238/0x470
[  290.808417][ T6451]  ? gfs2_recover_set+0x250/0x250
[  290.813502][ T6451]  ? apply_workqueue_attrs+0x180/0x180
[  290.818999][ T6451]  gfs2_fill_super+0x1323/0x1f80
[  290.823980][ T6451]  ? gfs2_reconfigure+0xb10/0xb10
[  290.829135][ T6451]  ? setup_bdev_super+0x56b/0x660
[  290.834194][ T6451]  get_tree_bdev+0x3e4/0x510
[  290.838817][ T6451]  ? end_current_label_crit_section+0x170/0x170
[  290.845096][ T6451]  ? gfs2_reconfigure+0xb10/0xb10
[  290.850160][ T6451]  ? setup_bdev_super+0x660/0x660
[  290.855223][ T6451]  gfs2_get_tree+0x51/0x1e0
[  290.859850][ T6451]  vfs_get_tree+0x8c/0x280
[  290.864345][ T6451]  do_new_mount+0x24b/0xa40
[  290.868884][ T6451]  __se_sys_mount+0x2da/0x3c0
[  290.873678][ T6451]  ? __x64_sys_mount+0xc0/0xc0
[  290.878496][ T6451]  ? lockdep_hardirqs_on+0x98/0x150
[  290.883794][ T6451]  ? __x64_sys_mount+0x20/0xc0
[  290.888601][ T6451]  do_syscall_64+0x55/0xb0
[  290.893057][ T6451]  ? clear_bhb_loop+0x40/0x90
[  290.897797][ T6451]  ? clear_bhb_loop+0x40/0x90
[  290.902507][ T6451]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  290.908453][ T6451] RIP: 0033:0x7f90a9790eea
[  290.912900][ T6451] 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
[  290.932546][ T6451] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  290.940997][ T6451] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  290.948999][ T6451] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  290.957012][ T6451] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  290.965016][ T6451] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  290.973108][ T6451] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  290.981125][ T6451]  </TASK>
[  290.985777][ T6451] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.008240][ T6451] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  291.429887][ T6454] loop1: detected capacity change from 0 to 32768
[  291.439426][ T6454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  291.446879][ T6454] CPU: 1 PID: 6454 Comm: syz.1.177 Not tainted syzkaller #0
[  291.454219][ T6454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  291.464336][ T6454] Call Trace:
[  291.467672][ T6454]  <TASK>
[  291.470684][ T6454]  dump_stack_lvl+0x16c/0x230
[  291.475432][ T6454]  ? show_regs_print_info+0x20/0x20
[  291.480701][ T6454]  ? load_image+0x3b0/0x3b0
[  291.485291][ T6454]  sysfs_create_dir_ns+0x256/0x280
[  291.490563][ T6454]  ? sysfs_warn_dup+0xa0/0xa0
[  291.495322][ T6454]  ? do_raw_spin_unlock+0x121/0x230
[  291.500591][ T6454]  kobject_add_internal+0x6b8/0xc70
[  291.505839][ T6454]  kobject_init_and_add+0x126/0x190
[  291.511077][ T6454]  ? lockdep_softirqs_off+0x430/0x430
[  291.516487][ T6454]  ? kobject_add+0x220/0x220
[  291.521139][ T6454]  ? __init_swait_queue_head+0xa9/0x150
[  291.526715][ T6454]  gfs2_sys_fs_add+0x238/0x470
[  291.531524][ T6454]  ? gfs2_recover_set+0x250/0x250
[  291.536621][ T6454]  ? apply_workqueue_attrs+0x180/0x180
[  291.542128][ T6454]  gfs2_fill_super+0x1323/0x1f80
[  291.547115][ T6454]  ? gfs2_reconfigure+0xb10/0xb10
[  291.552183][ T6454]  ? setup_bdev_super+0x56b/0x660
[  291.557241][ T6454]  get_tree_bdev+0x3e4/0x510
[  291.561859][ T6454]  ? end_current_label_crit_section+0x170/0x170
[  291.568135][ T6454]  ? gfs2_reconfigure+0xb10/0xb10
[  291.573198][ T6454]  ? setup_bdev_super+0x660/0x660
[  291.578261][ T6454]  gfs2_get_tree+0x51/0x1e0
[  291.582984][ T6454]  vfs_get_tree+0x8c/0x280
[  291.587437][ T6454]  do_new_mount+0x24b/0xa40
[  291.591979][ T6454]  __se_sys_mount+0x2da/0x3c0
[  291.596695][ T6454]  ? __x64_sys_mount+0xc0/0xc0
[  291.601498][ T6454]  ? lockdep_hardirqs_on+0x98/0x150
[  291.606741][ T6454]  ? __x64_sys_mount+0x20/0xc0
[  291.611541][ T6454]  do_syscall_64+0x55/0xb0
[  291.615986][ T6454]  ? clear_bhb_loop+0x40/0x90
[  291.620698][ T6454]  ? clear_bhb_loop+0x40/0x90
[  291.625434][ T6454]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  291.631387][ T6454] RIP: 0033:0x7f90a9790eea
[  291.635935][ T6454] 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
[  291.655604][ T6454] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  291.664062][ T6454] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  291.672064][ T6454] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  291.680067][ T6454] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  291.688073][ T6454] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  291.696081][ T6454] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  291.704102][ T6454]  </TASK>
[  291.721079][ T6454] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  291.735394][ T6454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.155289][ T6457] loop1: detected capacity change from 0 to 32768
[  292.179244][ T6457] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.186756][ T6457] CPU: 1 PID: 6457 Comm: syz.1.178 Not tainted syzkaller #0
[  292.194111][ T6457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.204233][ T6457] Call Trace:
[  292.207567][ T6457]  <TASK>
[  292.210553][ T6457]  dump_stack_lvl+0x16c/0x230
[  292.215305][ T6457]  ? show_regs_print_info+0x20/0x20
[  292.220596][ T6457]  ? load_image+0x3b0/0x3b0
[  292.225182][ T6457]  sysfs_create_dir_ns+0x256/0x280
[  292.230371][ T6457]  ? sysfs_warn_dup+0xa0/0xa0
[  292.235183][ T6457]  ? do_raw_spin_unlock+0x121/0x230
[  292.240453][ T6457]  kobject_add_internal+0x6b8/0xc70
[  292.245723][ T6457]  kobject_init_and_add+0x126/0x190
[  292.250985][ T6457]  ? lockdep_softirqs_off+0x430/0x430
[  292.256436][ T6457]  ? kobject_add+0x220/0x220
[  292.261100][ T6457]  ? __init_swait_queue_head+0xa9/0x150
[  292.266722][ T6457]  gfs2_sys_fs_add+0x238/0x470
[  292.271555][ T6457]  ? gfs2_recover_set+0x250/0x250
[  292.276663][ T6457]  ? apply_workqueue_attrs+0x180/0x180
[  292.282191][ T6457]  gfs2_fill_super+0x1323/0x1f80
[  292.287313][ T6457]  ? gfs2_reconfigure+0xb10/0xb10
[  292.292431][ T6457]  ? setup_bdev_super+0x56b/0x660
[  292.297592][ T6457]  get_tree_bdev+0x3e4/0x510
[  292.302304][ T6457]  ? end_current_label_crit_section+0x170/0x170
[  292.308584][ T6457]  ? gfs2_reconfigure+0xb10/0xb10
[  292.313666][ T6457]  ? setup_bdev_super+0x660/0x660
[  292.318761][ T6457]  gfs2_get_tree+0x51/0x1e0
[  292.323408][ T6457]  vfs_get_tree+0x8c/0x280
[  292.327860][ T6457]  do_new_mount+0x24b/0xa40
[  292.332410][ T6457]  __se_sys_mount+0x2da/0x3c0
[  292.337214][ T6457]  ? __x64_sys_mount+0xc0/0xc0
[  292.342011][ T6457]  ? lockdep_hardirqs_on+0x98/0x150
[  292.347248][ T6457]  ? __x64_sys_mount+0x20/0xc0
[  292.352130][ T6457]  do_syscall_64+0x55/0xb0
[  292.356574][ T6457]  ? clear_bhb_loop+0x40/0x90
[  292.361343][ T6457]  ? clear_bhb_loop+0x40/0x90
[  292.366052][ T6457]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  292.371976][ T6457] RIP: 0033:0x7f90a9790eea
[  292.376417][ T6457] 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
[  292.396147][ T6457] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  292.404767][ T6457] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  292.412775][ T6457] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  292.420783][ T6457] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  292.428875][ T6457] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  292.436875][ T6457] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  292.444896][ T6457]  </TASK>
[  292.457700][ T6457] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  292.480183][ T6457] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  292.886357][ T6460] loop1: detected capacity change from 0 to 32768
[  292.901878][ T6460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  292.909573][ T6460] CPU: 0 PID: 6460 Comm: syz.1.179 Not tainted syzkaller #0
[  292.916931][ T6460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  292.927049][ T6460] Call Trace:
[  292.930466][ T6460]  <TASK>
[  292.933443][ T6460]  dump_stack_lvl+0x16c/0x230
[  292.938288][ T6460]  ? show_regs_print_info+0x20/0x20
[  292.943554][ T6460]  ? load_image+0x3b0/0x3b0
[  292.948141][ T6460]  sysfs_create_dir_ns+0x256/0x280
[  292.954197][ T6460]  ? sysfs_warn_dup+0xa0/0xa0
[  292.959397][ T6460]  ? do_raw_spin_unlock+0x121/0x230
[  292.964666][ T6460]  kobject_add_internal+0x6b8/0xc70
[  292.969970][ T6460]  kobject_init_and_add+0x126/0x190
[  292.975220][ T6460]  ? lockdep_softirqs_off+0x430/0x430
[  292.980635][ T6460]  ? kobject_add+0x220/0x220
[  292.985353][ T6460]  ? __init_swait_queue_head+0xa9/0x150
[  292.990940][ T6460]  gfs2_sys_fs_add+0x238/0x470
[  292.995744][ T6460]  ? gfs2_recover_set+0x250/0x250
[  293.000958][ T6460]  ? apply_workqueue_attrs+0x180/0x180
[  293.006464][ T6460]  gfs2_fill_super+0x1323/0x1f80
[  293.011464][ T6460]  ? gfs2_reconfigure+0xb10/0xb10
[  293.016547][ T6460]  ? setup_bdev_super+0x56b/0x660
[  293.021599][ T6460]  get_tree_bdev+0x3e4/0x510
[  293.026225][ T6460]  ? end_current_label_crit_section+0x170/0x170
[  293.032514][ T6460]  ? gfs2_reconfigure+0xb10/0xb10
[  293.037589][ T6460]  ? setup_bdev_super+0x660/0x660
[  293.042660][ T6460]  gfs2_get_tree+0x51/0x1e0
[  293.047232][ T6460]  vfs_get_tree+0x8c/0x280
[  293.051851][ T6460]  do_new_mount+0x24b/0xa40
[  293.056406][ T6460]  __se_sys_mount+0x2da/0x3c0
[  293.061116][ T6460]  ? __x64_sys_mount+0xc0/0xc0
[  293.065916][ T6460]  ? lockdep_hardirqs_on+0x98/0x150
[  293.071151][ T6460]  ? __x64_sys_mount+0x20/0xc0
[  293.075952][ T6460]  do_syscall_64+0x55/0xb0
[  293.080397][ T6460]  ? clear_bhb_loop+0x40/0x90
[  293.085113][ T6460]  ? clear_bhb_loop+0x40/0x90
[  293.089824][ T6460]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  293.095747][ T6460] RIP: 0033:0x7f90a9790eea
[  293.100215][ T6460] 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
[  293.119861][ T6460] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.128317][ T6460] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  293.136340][ T6460] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  293.144367][ T6460] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  293.152371][ T6460] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  293.160373][ T6460] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  293.168398][ T6460]  </TASK>
[  293.180332][ T6460] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.198157][ T6460] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 21:28:51 executed programs: 165
[  293.608939][ T6463] loop1: detected capacity change from 0 to 32768
[  293.623415][ T6463] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  293.631096][ T6463] CPU: 0 PID: 6463 Comm: syz.1.180 Not tainted syzkaller #0
[  293.638532][ T6463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  293.648661][ T6463] Call Trace:
[  293.651998][ T6463]  <TASK>
[  293.654982][ T6463]  dump_stack_lvl+0x16c/0x230
[  293.659736][ T6463]  ? show_regs_print_info+0x20/0x20
[  293.665003][ T6463]  ? load_image+0x3b0/0x3b0
[  293.669580][ T6463]  sysfs_create_dir_ns+0x256/0x280
[  293.674859][ T6463]  ? sysfs_warn_dup+0xa0/0xa0
[  293.679605][ T6463]  ? do_raw_spin_unlock+0x121/0x230
[  293.684878][ T6463]  kobject_add_internal+0x6b8/0xc70
[  293.690153][ T6463]  kobject_init_and_add+0x126/0x190
[  293.695432][ T6463]  ? lockdep_softirqs_off+0x430/0x430
[  293.700867][ T6463]  ? kobject_add+0x220/0x220
[  293.705536][ T6463]  ? __init_swait_queue_head+0xa9/0x150
[  293.711145][ T6463]  gfs2_sys_fs_add+0x238/0x470
[  293.715978][ T6463]  ? gfs2_recover_set+0x250/0x250
[  293.721074][ T6463]  ? apply_workqueue_attrs+0x180/0x180
[  293.726631][ T6463]  gfs2_fill_super+0x1323/0x1f80
[  293.731642][ T6463]  ? gfs2_reconfigure+0xb10/0xb10
[  293.736737][ T6463]  ? setup_bdev_super+0x56b/0x660
[  293.741825][ T6463]  get_tree_bdev+0x3e4/0x510
[  293.746462][ T6463]  ? end_current_label_crit_section+0x170/0x170
[  293.752743][ T6463]  ? gfs2_reconfigure+0xb10/0xb10
[  293.757805][ T6463]  ? setup_bdev_super+0x660/0x660
[  293.762877][ T6463]  gfs2_get_tree+0x51/0x1e0
[  293.767601][ T6463]  vfs_get_tree+0x8c/0x280
[  293.772051][ T6463]  do_new_mount+0x24b/0xa40
[  293.776588][ T6463]  __se_sys_mount+0x2da/0x3c0
[  293.781300][ T6463]  ? __x64_sys_mount+0xc0/0xc0
[  293.786097][ T6463]  ? lockdep_hardirqs_on+0x98/0x150
[  293.791329][ T6463]  ? __x64_sys_mount+0x20/0xc0
[  293.796219][ T6463]  do_syscall_64+0x55/0xb0
[  293.800670][ T6463]  ? clear_bhb_loop+0x40/0x90
[  293.805399][ T6463]  ? clear_bhb_loop+0x40/0x90
[  293.810177][ T6463]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  293.816146][ T6463] RIP: 0033:0x7f90a9790eea
[  293.820613][ T6463] 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
[  293.840287][ T6463] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  293.848737][ T6463] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  293.856754][ T6463] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  293.864756][ T6463] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  293.872771][ T6463] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  293.880781][ T6463] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  293.888807][ T6463]  </TASK>
[  293.903420][ T6463] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  293.919898][ T6463] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  294.150698][ T5881] Bluetooth: hci1: command 0x0406 tx timeout
[  294.419243][ T6466] loop1: detected capacity change from 0 to 32768
[  294.430988][ T6466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  294.446579][ T6466] CPU: 0 PID: 6466 Comm: syz.1.181 Not tainted syzkaller #0
[  294.453958][ T6466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  294.464177][ T6466] Call Trace:
[  294.467529][ T6466]  <TASK>
[  294.470518][ T6466]  dump_stack_lvl+0x16c/0x230
[  294.475272][ T6466]  ? show_regs_print_info+0x20/0x20
[  294.480632][ T6466]  ? load_image+0x3b0/0x3b0
[  294.485329][ T6466]  sysfs_create_dir_ns+0x256/0x280
[  294.490526][ T6466]  ? sysfs_warn_dup+0xa0/0xa0
[  294.495273][ T6466]  ? do_raw_spin_unlock+0x121/0x230
[  294.500544][ T6466]  kobject_add_internal+0x6b8/0xc70
[  294.505805][ T6466]  kobject_init_and_add+0x126/0x190
[  294.511220][ T6466]  ? lockdep_softirqs_off+0x430/0x430
[  294.516627][ T6466]  ? kobject_add+0x220/0x220
[  294.521260][ T6466]  ? __init_swait_queue_head+0xa9/0x150
[  294.526846][ T6466]  gfs2_sys_fs_add+0x238/0x470
[  294.531649][ T6466]  ? gfs2_recover_set+0x250/0x250
[  294.536718][ T6466]  ? apply_workqueue_attrs+0x180/0x180
[  294.542222][ T6466]  gfs2_fill_super+0x1323/0x1f80
[  294.547233][ T6466]  ? gfs2_reconfigure+0xb10/0xb10
[  294.552326][ T6466]  ? setup_bdev_super+0x56b/0x660
[  294.557408][ T6466]  get_tree_bdev+0x3e4/0x510
[  294.562058][ T6466]  ? end_current_label_crit_section+0x170/0x170
[  294.568358][ T6466]  ? gfs2_reconfigure+0xb10/0xb10
[  294.573437][ T6466]  ? setup_bdev_super+0x660/0x660
[  294.578505][ T6466]  gfs2_get_tree+0x51/0x1e0
[  294.583057][ T6466]  vfs_get_tree+0x8c/0x280
[  294.587512][ T6466]  do_new_mount+0x24b/0xa40
[  294.592061][ T6466]  __se_sys_mount+0x2da/0x3c0
[  294.596782][ T6466]  ? __x64_sys_mount+0xc0/0xc0
[  294.601589][ T6466]  ? lockdep_hardirqs_on+0x98/0x150
[  294.606824][ T6466]  ? __x64_sys_mount+0x20/0xc0
[  294.611624][ T6466]  do_syscall_64+0x55/0xb0
[  294.616094][ T6466]  ? clear_bhb_loop+0x40/0x90
[  294.620914][ T6466]  ? clear_bhb_loop+0x40/0x90
[  294.625642][ T6466]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  294.631573][ T6466] RIP: 0033:0x7f90a9790eea
[  294.636026][ T6466] 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
[  294.655760][ T6466] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  294.664212][ T6466] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  294.672313][ T6466] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  294.680326][ T6466] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  294.688338][ T6466] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  294.696357][ T6466] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  294.704390][ T6466]  </TASK>
[  294.714567][ T6466] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  294.731379][ T6466] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.146306][ T6469] loop1: detected capacity change from 0 to 32768
[  295.167472][ T6469] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.176763][ T6469] CPU: 0 PID: 6469 Comm: syz.1.182 Not tainted syzkaller #0
[  295.184132][ T6469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  295.194251][ T6469] Call Trace:
[  295.197767][ T6469]  <TASK>
[  295.200767][ T6469]  dump_stack_lvl+0x16c/0x230
[  295.205523][ T6469]  ? show_regs_print_info+0x20/0x20
[  295.210822][ T6469]  ? load_image+0x3b0/0x3b0
[  295.215509][ T6469]  sysfs_create_dir_ns+0x256/0x280
[  295.220717][ T6469]  ? sysfs_warn_dup+0xa0/0xa0
[  295.225479][ T6469]  ? do_raw_spin_unlock+0x121/0x230
[  295.230758][ T6469]  kobject_add_internal+0x6b8/0xc70
[  295.236060][ T6469]  kobject_init_and_add+0x126/0x190
[  295.241611][ T6469]  ? lockdep_softirqs_off+0x430/0x430
[  295.247077][ T6469]  ? kobject_add+0x220/0x220
[  295.251746][ T6469]  ? __init_swait_queue_head+0xa9/0x150
[  295.257371][ T6469]  gfs2_sys_fs_add+0x238/0x470
[  295.262214][ T6469]  ? gfs2_recover_set+0x250/0x250
[  295.267338][ T6469]  ? apply_workqueue_attrs+0x180/0x180
[  295.272877][ T6469]  gfs2_fill_super+0x1323/0x1f80
[  295.277931][ T6469]  ? gfs2_reconfigure+0xb10/0xb10
[  295.283049][ T6469]  ? setup_bdev_super+0x56b/0x660
[  295.288139][ T6469]  get_tree_bdev+0x3e4/0x510
[  295.292878][ T6469]  ? end_current_label_crit_section+0x170/0x170
[  295.299189][ T6469]  ? gfs2_reconfigure+0xb10/0xb10
[  295.304274][ T6469]  ? setup_bdev_super+0x660/0x660
[  295.309367][ T6469]  gfs2_get_tree+0x51/0x1e0
[  295.313927][ T6469]  vfs_get_tree+0x8c/0x280
[  295.318390][ T6469]  do_new_mount+0x24b/0xa40
[  295.322952][ T6469]  __se_sys_mount+0x2da/0x3c0
[  295.327683][ T6469]  ? __x64_sys_mount+0xc0/0xc0
[  295.332508][ T6469]  ? lockdep_hardirqs_on+0x98/0x150
[  295.337767][ T6469]  ? __x64_sys_mount+0x20/0xc0
[  295.342590][ T6469]  do_syscall_64+0x55/0xb0
[  295.347060][ T6469]  ? clear_bhb_loop+0x40/0x90
[  295.351804][ T6469]  ? clear_bhb_loop+0x40/0x90
[  295.356571][ T6469]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  295.362530][ T6469] RIP: 0033:0x7f90a9790eea
[  295.366993][ T6469] 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
[  295.386764][ T6469] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  295.395331][ T6469] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  295.403359][ T6469] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  295.411391][ T6469] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  295.419420][ T6469] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  295.427442][ T6469] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  295.435492][ T6469]  </TASK>
[  295.447343][ T6469] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  295.461907][ T6469] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  295.901134][ T6472] loop1: detected capacity change from 0 to 32768
[  295.920933][ T6472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  295.928845][ T6472] CPU: 1 PID: 6472 Comm: syz.1.183 Not tainted syzkaller #0
[  295.936212][ T6472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  295.946334][ T6472] Call Trace:
[  295.949668][ T6472]  <TASK>
[  295.952656][ T6472]  dump_stack_lvl+0x16c/0x230
[  295.957407][ T6472]  ? show_regs_print_info+0x20/0x20
[  295.962675][ T6472]  ? load_image+0x3b0/0x3b0
[  295.967371][ T6472]  sysfs_create_dir_ns+0x256/0x280
[  295.972557][ T6472]  ? sysfs_warn_dup+0xa0/0xa0
[  295.977314][ T6472]  ? do_raw_spin_unlock+0x121/0x230
[  295.982579][ T6472]  kobject_add_internal+0x6b8/0xc70
[  295.988057][ T6472]  kobject_init_and_add+0x126/0x190
[  295.993354][ T6472]  ? lockdep_softirqs_off+0x430/0x430
[  295.998797][ T6472]  ? kobject_add+0x220/0x220
[  296.003479][ T6472]  ? __init_swait_queue_head+0xa9/0x150
[  296.009092][ T6472]  gfs2_sys_fs_add+0x238/0x470
[  296.013917][ T6472]  ? gfs2_recover_set+0x250/0x250
[  296.019015][ T6472]  ? apply_workqueue_attrs+0x180/0x180
[  296.024547][ T6472]  gfs2_fill_super+0x1323/0x1f80
[  296.029573][ T6472]  ? gfs2_reconfigure+0xb10/0xb10
[  296.034670][ T6472]  ? setup_bdev_super+0x56b/0x660
[  296.039761][ T6472]  get_tree_bdev+0x3e4/0x510
[  296.044400][ T6472]  ? end_current_label_crit_section+0x170/0x170
[  296.050682][ T6472]  ? gfs2_reconfigure+0xb10/0xb10
[  296.055742][ T6472]  ? setup_bdev_super+0x660/0x660
[  296.060809][ T6472]  gfs2_get_tree+0x51/0x1e0
[  296.065349][ T6472]  vfs_get_tree+0x8c/0x280
[  296.069801][ T6472]  do_new_mount+0x24b/0xa40
[  296.074340][ T6472]  __se_sys_mount+0x2da/0x3c0
[  296.079047][ T6472]  ? __x64_sys_mount+0xc0/0xc0
[  296.083846][ T6472]  ? lockdep_hardirqs_on+0x98/0x150
[  296.089079][ T6472]  ? __x64_sys_mount+0x20/0xc0
[  296.093873][ T6472]  do_syscall_64+0x55/0xb0
[  296.098317][ T6472]  ? clear_bhb_loop+0x40/0x90
[  296.103041][ T6472]  ? clear_bhb_loop+0x40/0x90
[  296.107754][ T6472]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  296.113683][ T6472] RIP: 0033:0x7f90a9790eea
[  296.118130][ T6472] 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
[  296.137772][ T6472] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.146225][ T6472] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  296.154231][ T6472] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  296.162236][ T6472] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  296.170244][ T6472] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  296.178244][ T6472] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  296.186262][ T6472]  </TASK>
[  296.194045][ T6472] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.214780][ T6472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  296.618322][ T6475] loop1: detected capacity change from 0 to 32768
[  296.633121][ T6475] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  296.646141][ T6475] CPU: 1 PID: 6475 Comm: syz.1.184 Not tainted syzkaller #0
[  296.653530][ T6475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  296.663651][ T6475] Call Trace:
[  296.666993][ T6475]  <TASK>
[  296.669981][ T6475]  dump_stack_lvl+0x16c/0x230
[  296.674824][ T6475]  ? show_regs_print_info+0x20/0x20
[  296.680089][ T6475]  ? load_image+0x3b0/0x3b0
[  296.684686][ T6475]  sysfs_create_dir_ns+0x256/0x280
[  296.689875][ T6475]  ? sysfs_warn_dup+0xa0/0xa0
[  296.694633][ T6475]  ? do_raw_spin_unlock+0x121/0x230
[  296.699906][ T6475]  kobject_add_internal+0x6b8/0xc70
[  296.705234][ T6475]  kobject_init_and_add+0x126/0x190
[  296.710496][ T6475]  ? lockdep_softirqs_off+0x430/0x430
[  296.715937][ T6475]  ? kobject_add+0x220/0x220
[  296.720604][ T6475]  ? __init_swait_queue_head+0xa9/0x150
[  296.726312][ T6475]  gfs2_sys_fs_add+0x238/0x470
[  296.731139][ T6475]  ? gfs2_recover_set+0x250/0x250
[  296.736228][ T6475]  ? apply_workqueue_attrs+0x180/0x180
[  296.741748][ T6475]  gfs2_fill_super+0x1323/0x1f80
[  296.746767][ T6475]  ? gfs2_reconfigure+0xb10/0xb10
[  296.751880][ T6475]  ? setup_bdev_super+0x56b/0x660
[  296.756971][ T6475]  get_tree_bdev+0x3e4/0x510
[  296.761615][ T6475]  ? end_current_label_crit_section+0x170/0x170
[  296.767918][ T6475]  ? gfs2_reconfigure+0xb10/0xb10
[  296.773029][ T6475]  ? setup_bdev_super+0x660/0x660
[  296.778125][ T6475]  gfs2_get_tree+0x51/0x1e0
[  296.782693][ T6475]  vfs_get_tree+0x8c/0x280
[  296.787170][ T6475]  do_new_mount+0x24b/0xa40
[  296.791734][ T6475]  __se_sys_mount+0x2da/0x3c0
[  296.796462][ T6475]  ? __x64_sys_mount+0xc0/0xc0
[  296.801280][ T6475]  ? lockdep_hardirqs_on+0x98/0x150
[  296.806531][ T6475]  ? __x64_sys_mount+0x20/0xc0
[  296.811355][ T6475]  do_syscall_64+0x55/0xb0
[  296.815833][ T6475]  ? clear_bhb_loop+0x40/0x90
[  296.820577][ T6475]  ? clear_bhb_loop+0x40/0x90
[  296.825335][ T6475]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  296.831299][ T6475] RIP: 0033:0x7f90a9790eea
[  296.835779][ T6475] 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
[  296.855470][ T6475] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  296.863948][ T6475] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  296.871985][ T6475] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  296.880019][ T6475] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  296.888047][ T6475] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  296.896075][ T6475] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  296.904252][ T6475]  </TASK>
[  296.908695][ T6475] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  296.924681][ T6475] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  297.340010][ T6478] loop1: detected capacity change from 0 to 32768
[  297.351158][ T6478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  297.358791][ T6478] CPU: 1 PID: 6478 Comm: syz.1.185 Not tainted syzkaller #0
[  297.366154][ T6478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  297.376299][ T6478] Call Trace:
[  297.379632][ T6478]  <TASK>
[  297.382615][ T6478]  dump_stack_lvl+0x16c/0x230
[  297.387378][ T6478]  ? show_regs_print_info+0x20/0x20
[  297.392653][ T6478]  ? load_image+0x3b0/0x3b0
[  297.397248][ T6478]  sysfs_create_dir_ns+0x256/0x280
[  297.402438][ T6478]  ? sysfs_warn_dup+0xa0/0xa0
[  297.407194][ T6478]  ? do_raw_spin_unlock+0x121/0x230
[  297.412484][ T6478]  kobject_add_internal+0x6b8/0xc70
[  297.417764][ T6478]  kobject_init_and_add+0x126/0x190
[  297.423027][ T6478]  ? lockdep_softirqs_off+0x430/0x430
[  297.428448][ T6478]  ? kobject_add+0x220/0x220
[  297.433077][ T6478]  ? __init_swait_queue_head+0xa9/0x150
[  297.438667][ T6478]  gfs2_sys_fs_add+0x238/0x470
[  297.443472][ T6478]  ? gfs2_recover_set+0x250/0x250
[  297.448561][ T6478]  ? apply_workqueue_attrs+0x180/0x180
[  297.454062][ T6478]  gfs2_fill_super+0x1323/0x1f80
[  297.459053][ T6478]  ? gfs2_reconfigure+0xb10/0xb10
[  297.464118][ T6478]  ? setup_bdev_super+0x56b/0x660
[  297.469172][ T6478]  get_tree_bdev+0x3e4/0x510
[  297.473804][ T6478]  ? end_current_label_crit_section+0x170/0x170
[  297.480079][ T6478]  ? gfs2_reconfigure+0xb10/0xb10
[  297.485144][ T6478]  ? setup_bdev_super+0x660/0x660
[  297.490206][ T6478]  gfs2_get_tree+0x51/0x1e0
[  297.494750][ T6478]  vfs_get_tree+0x8c/0x280
[  297.499202][ T6478]  do_new_mount+0x24b/0xa40
[  297.503750][ T6478]  __se_sys_mount+0x2da/0x3c0
[  297.508526][ T6478]  ? __x64_sys_mount+0xc0/0xc0
[  297.513322][ T6478]  ? lockdep_hardirqs_on+0x98/0x150
[  297.518554][ T6478]  ? __x64_sys_mount+0x20/0xc0
[  297.523350][ T6478]  do_syscall_64+0x55/0xb0
[  297.527817][ T6478]  ? clear_bhb_loop+0x40/0x90
[  297.532532][ T6478]  ? clear_bhb_loop+0x40/0x90
[  297.537261][ T6478]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  297.543203][ T6478] RIP: 0033:0x7f90a9790eea
[  297.547652][ T6478] 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
[  297.567299][ T6478] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  297.575872][ T6478] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  297.583960][ T6478] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  297.591964][ T6478] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  297.599973][ T6478] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  297.608322][ T6478] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  297.616340][ T6478]  </TASK>
[  297.622698][ T6478] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  297.636844][ T6478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  298.050295][ T6481] loop1: detected capacity change from 0 to 32768
[  298.063425][ T6481] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.071868][ T6481] CPU: 1 PID: 6481 Comm: syz.1.186 Not tainted syzkaller #0
[  298.079224][ T6481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  298.089328][ T6481] Call Trace:
[  298.092665][ T6481]  <TASK>
[  298.095644][ T6481]  dump_stack_lvl+0x16c/0x230
[  298.100388][ T6481]  ? show_regs_print_info+0x20/0x20
[  298.105654][ T6481]  ? load_image+0x3b0/0x3b0
[  298.110242][ T6481]  sysfs_create_dir_ns+0x256/0x280
[  298.115428][ T6481]  ? sysfs_warn_dup+0xa0/0xa0
[  298.120183][ T6481]  ? do_raw_spin_unlock+0x121/0x230
[  298.125452][ T6481]  kobject_add_internal+0x6b8/0xc70
[  298.130725][ T6481]  kobject_init_and_add+0x126/0x190
[  298.135972][ T6481]  ? lockdep_softirqs_off+0x430/0x430
[  298.141382][ T6481]  ? kobject_add+0x220/0x220
[  298.146266][ T6481]  ? __init_swait_queue_head+0xa9/0x150
[  298.151851][ T6481]  gfs2_sys_fs_add+0x238/0x470
[  298.156663][ T6481]  ? gfs2_recover_set+0x250/0x250
[  298.161730][ T6481]  ? apply_workqueue_attrs+0x180/0x180
[  298.167226][ T6481]  gfs2_fill_super+0x1323/0x1f80
[  298.172218][ T6481]  ? gfs2_reconfigure+0xb10/0xb10
[  298.177284][ T6481]  ? setup_bdev_super+0x56b/0x660
[  298.182341][ T6481]  get_tree_bdev+0x3e4/0x510
[  298.186961][ T6481]  ? end_current_label_crit_section+0x170/0x170
[  298.193238][ T6481]  ? gfs2_reconfigure+0xb10/0xb10
[  298.198315][ T6481]  ? setup_bdev_super+0x660/0x660
[  298.203380][ T6481]  gfs2_get_tree+0x51/0x1e0
[  298.207957][ T6481]  vfs_get_tree+0x8c/0x280
[  298.212400][ T6481]  do_new_mount+0x24b/0xa40
[  298.216951][ T6481]  __se_sys_mount+0x2da/0x3c0
[  298.221661][ T6481]  ? __x64_sys_mount+0xc0/0xc0
[  298.226459][ T6481]  ? lockdep_hardirqs_on+0x98/0x150
[  298.231691][ T6481]  ? __x64_sys_mount+0x20/0xc0
[  298.236487][ T6481]  do_syscall_64+0x55/0xb0
[  298.240936][ T6481]  ? clear_bhb_loop+0x40/0x90
[  298.245647][ T6481]  ? clear_bhb_loop+0x40/0x90
[  298.250356][ T6481]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  298.256290][ T6481] RIP: 0033:0x7f90a9790eea
[  298.260763][ T6481] 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
[  298.280402][ T6481] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  298.288843][ T6481] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  298.297114][ T6481] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  298.305175][ T6481] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  298.313185][ T6481] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  298.321209][ T6481] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  298.329243][ T6481]  </TASK>
[  298.335570][ T6481] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  298.349627][ T6481] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 21:28:56 executed programs: 172
[  298.776239][ T6484] loop1: detected capacity change from 0 to 32768
[  298.793029][ T6484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  298.801426][ T6484] CPU: 0 PID: 6484 Comm: syz.1.187 Not tainted syzkaller #0
[  298.808793][ T6484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  298.818902][ T6484] Call Trace:
[  298.822214][ T6484]  <TASK>
[  298.825176][ T6484]  dump_stack_lvl+0x16c/0x230
[  298.829900][ T6484]  ? show_regs_print_info+0x20/0x20
[  298.835134][ T6484]  ? load_image+0x3b0/0x3b0
[  298.839682][ T6484]  sysfs_create_dir_ns+0x256/0x280
[  298.844877][ T6484]  ? sysfs_warn_dup+0xa0/0xa0
[  298.849594][ T6484]  ? do_raw_spin_unlock+0x121/0x230
[  298.854831][ T6484]  kobject_add_internal+0x6b8/0xc70
[  298.860075][ T6484]  kobject_init_and_add+0x126/0x190
[  298.865309][ T6484]  ? lockdep_softirqs_off+0x430/0x430
[  298.870726][ T6484]  ? kobject_add+0x220/0x220
[  298.875364][ T6484]  ? __init_swait_queue_head+0xa9/0x150
[  298.880951][ T6484]  gfs2_sys_fs_add+0x238/0x470
[  298.885768][ T6484]  ? gfs2_recover_set+0x250/0x250
[  298.890848][ T6484]  ? apply_workqueue_attrs+0x180/0x180
[  298.896364][ T6484]  gfs2_fill_super+0x1323/0x1f80
[  298.901382][ T6484]  ? gfs2_reconfigure+0xb10/0xb10
[  298.906448][ T6484]  ? setup_bdev_super+0x56b/0x660
[  298.911506][ T6484]  get_tree_bdev+0x3e4/0x510
[  298.916137][ T6484]  ? end_current_label_crit_section+0x170/0x170
[  298.922412][ T6484]  ? gfs2_reconfigure+0xb10/0xb10
[  298.927475][ T6484]  ? setup_bdev_super+0x660/0x660
[  298.932539][ T6484]  gfs2_get_tree+0x51/0x1e0
[  298.937087][ T6484]  vfs_get_tree+0x8c/0x280
[  298.941548][ T6484]  do_new_mount+0x24b/0xa40
[  298.946091][ T6484]  __se_sys_mount+0x2da/0x3c0
[  298.950810][ T6484]  ? __x64_sys_mount+0xc0/0xc0
[  298.955610][ T6484]  ? lockdep_hardirqs_on+0x98/0x150
[  298.960845][ T6484]  ? __x64_sys_mount+0x20/0xc0
[  298.965640][ T6484]  do_syscall_64+0x55/0xb0
[  298.970089][ T6484]  ? clear_bhb_loop+0x40/0x90
[  298.974813][ T6484]  ? clear_bhb_loop+0x40/0x90
[  298.979523][ T6484]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  298.985453][ T6484] RIP: 0033:0x7f90a9790eea
[  298.989912][ T6484] 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
[  299.009572][ T6484] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.018016][ T6484] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  299.026013][ T6484] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  299.034021][ T6484] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  299.042026][ T6484] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  299.050029][ T6484] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  299.058042][ T6484]  </TASK>
[  299.069522][ T6484] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.085926][ T6484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  299.515401][ T6487] loop1: detected capacity change from 0 to 32768
[  299.534305][ T6487] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  299.542051][ T6487] CPU: 0 PID: 6487 Comm: syz.1.188 Not tainted syzkaller #0
[  299.549405][ T6487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  299.559524][ T6487] Call Trace:
[  299.562856][ T6487]  <TASK>
[  299.565831][ T6487]  dump_stack_lvl+0x16c/0x230
[  299.570582][ T6487]  ? show_regs_print_info+0x20/0x20
[  299.575849][ T6487]  ? load_image+0x3b0/0x3b0
[  299.580434][ T6487]  sysfs_create_dir_ns+0x256/0x280
[  299.585619][ T6487]  ? sysfs_warn_dup+0xa0/0xa0
[  299.590367][ T6487]  ? do_raw_spin_unlock+0x121/0x230
[  299.595632][ T6487]  kobject_add_internal+0x6b8/0xc70
[  299.600915][ T6487]  kobject_init_and_add+0x126/0x190
[  299.606172][ T6487]  ? lockdep_softirqs_off+0x430/0x430
[  299.611616][ T6487]  ? kobject_add+0x220/0x220
[  299.616274][ T6487]  ? __init_swait_queue_head+0xa9/0x150
[  299.621877][ T6487]  gfs2_sys_fs_add+0x238/0x470
[  299.626700][ T6487]  ? gfs2_recover_set+0x250/0x250
[  299.631787][ T6487]  ? apply_workqueue_attrs+0x180/0x180
[  299.637316][ T6487]  gfs2_fill_super+0x1323/0x1f80
[  299.642341][ T6487]  ? gfs2_reconfigure+0xb10/0xb10
[  299.647446][ T6487]  ? setup_bdev_super+0x56b/0x660
[  299.652537][ T6487]  get_tree_bdev+0x3e4/0x510
[  299.657180][ T6487]  ? end_current_label_crit_section+0x170/0x170
[  299.663483][ T6487]  ? gfs2_reconfigure+0xb10/0xb10
[  299.668584][ T6487]  ? setup_bdev_super+0x660/0x660
[  299.673672][ T6487]  gfs2_get_tree+0x51/0x1e0
[  299.678248][ T6487]  vfs_get_tree+0x8c/0x280
[  299.682721][ T6487]  do_new_mount+0x24b/0xa40
[  299.687287][ T6487]  __se_sys_mount+0x2da/0x3c0
[  299.692040][ T6487]  ? __x64_sys_mount+0xc0/0xc0
[  299.696863][ T6487]  ? lockdep_hardirqs_on+0x98/0x150
[  299.702125][ T6487]  ? __x64_sys_mount+0x20/0xc0
[  299.706957][ T6487]  do_syscall_64+0x55/0xb0
[  299.711438][ T6487]  ? clear_bhb_loop+0x40/0x90
[  299.716176][ T6487]  ? clear_bhb_loop+0x40/0x90
[  299.720924][ T6487]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  299.726877][ T6487] RIP: 0033:0x7f90a9790eea
[  299.731447][ T6487] 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
[  299.751208][ T6487] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  299.759691][ T6487] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  299.767737][ T6487] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  299.775766][ T6487] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  299.783797][ T6487] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  299.791824][ T6487] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  299.799874][ T6487]  </TASK>
[  299.811163][ T6487] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  299.825740][ T6487] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.223327][ T6490] loop1: detected capacity change from 0 to 32768
[  300.244479][ T6490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.252056][ T6490] CPU: 0 PID: 6490 Comm: syz.1.189 Not tainted syzkaller #0
[  300.259585][ T6490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.269793][ T6490] Call Trace:
[  300.273127][ T6490]  <TASK>
[  300.276107][ T6490]  dump_stack_lvl+0x16c/0x230
[  300.280855][ T6490]  ? show_regs_print_info+0x20/0x20
[  300.286130][ T6490]  ? load_image+0x3b0/0x3b0
[  300.290718][ T6490]  sysfs_create_dir_ns+0x256/0x280
[  300.295908][ T6490]  ? sysfs_warn_dup+0xa0/0xa0
[  300.300661][ T6490]  ? do_raw_spin_unlock+0x121/0x230
[  300.305939][ T6490]  kobject_add_internal+0x6b8/0xc70
[  300.311208][ T6490]  kobject_init_and_add+0x126/0x190
[  300.316552][ T6490]  ? lockdep_softirqs_off+0x430/0x430
[  300.321987][ T6490]  ? kobject_add+0x220/0x220
[  300.326640][ T6490]  ? __init_swait_queue_head+0xa9/0x150
[  300.332338][ T6490]  gfs2_sys_fs_add+0x238/0x470
[  300.337162][ T6490]  ? gfs2_recover_set+0x250/0x250
[  300.342257][ T6490]  ? apply_workqueue_attrs+0x180/0x180
[  300.347785][ T6490]  gfs2_fill_super+0x1323/0x1f80
[  300.352796][ T6490]  ? gfs2_reconfigure+0xb10/0xb10
[  300.357889][ T6490]  ? setup_bdev_super+0x56b/0x660
[  300.362974][ T6490]  get_tree_bdev+0x3e4/0x510
[  300.367661][ T6490]  ? end_current_label_crit_section+0x170/0x170
[  300.373987][ T6490]  ? gfs2_reconfigure+0xb10/0xb10
[  300.379045][ T6490]  ? setup_bdev_super+0x660/0x660
[  300.384126][ T6490]  gfs2_get_tree+0x51/0x1e0
[  300.388682][ T6490]  vfs_get_tree+0x8c/0x280
[  300.393160][ T6490]  do_new_mount+0x24b/0xa40
[  300.397708][ T6490]  __se_sys_mount+0x2da/0x3c0
[  300.402430][ T6490]  ? __x64_sys_mount+0xc0/0xc0
[  300.407238][ T6490]  ? lockdep_hardirqs_on+0x98/0x150
[  300.412493][ T6490]  ? __x64_sys_mount+0x20/0xc0
[  300.417298][ T6490]  do_syscall_64+0x55/0xb0
[  300.421772][ T6490]  ? clear_bhb_loop+0x40/0x90
[  300.426484][ T6490]  ? clear_bhb_loop+0x40/0x90
[  300.431195][ T6490]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  300.437121][ T6490] RIP: 0033:0x7f90a9790eea
[  300.441574][ T6490] 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
[  300.461258][ T6490] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  300.469735][ T6490] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  300.477754][ T6490] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  300.485765][ T6490] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  300.493777][ T6490] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  300.501778][ T6490] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  300.509808][ T6490]  </TASK>
[  300.527575][ T6490] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  300.542201][ T6490] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  300.951443][ T6493] loop1: detected capacity change from 0 to 32768
[  300.961621][ T6493] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  300.969529][ T6493] CPU: 0 PID: 6493 Comm: syz.1.190 Not tainted syzkaller #0
[  300.976902][ T6493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  300.987016][ T6493] Call Trace:
[  300.990352][ T6493]  <TASK>
[  300.993342][ T6493]  dump_stack_lvl+0x16c/0x230
[  300.998095][ T6493]  ? show_regs_print_info+0x20/0x20
[  301.003367][ T6493]  ? load_image+0x3b0/0x3b0
[  301.007960][ T6493]  sysfs_create_dir_ns+0x256/0x280
[  301.013146][ T6493]  ? sysfs_warn_dup+0xa0/0xa0
[  301.017901][ T6493]  ? do_raw_spin_unlock+0x121/0x230
[  301.023257][ T6493]  kobject_add_internal+0x6b8/0xc70
[  301.028545][ T6493]  kobject_init_and_add+0x126/0x190
[  301.033807][ T6493]  ? lockdep_softirqs_off+0x430/0x430
[  301.039253][ T6493]  ? kobject_add+0x220/0x220
[  301.043922][ T6493]  ? __init_swait_queue_head+0xa9/0x150
[  301.049553][ T6493]  gfs2_sys_fs_add+0x238/0x470
[  301.054388][ T6493]  ? gfs2_recover_set+0x250/0x250
[  301.059494][ T6493]  ? apply_workqueue_attrs+0x180/0x180
[  301.065292][ T6493]  gfs2_fill_super+0x1323/0x1f80
[  301.070321][ T6493]  ? gfs2_reconfigure+0xb10/0xb10
[  301.075500][ T6493]  ? setup_bdev_super+0x56b/0x660
[  301.080582][ T6493]  get_tree_bdev+0x3e4/0x510
[  301.085221][ T6493]  ? end_current_label_crit_section+0x170/0x170
[  301.091519][ T6493]  ? gfs2_reconfigure+0xb10/0xb10
[  301.096606][ T6493]  ? setup_bdev_super+0x660/0x660
[  301.101799][ T6493]  gfs2_get_tree+0x51/0x1e0
[  301.106465][ T6493]  vfs_get_tree+0x8c/0x280
[  301.110945][ T6493]  do_new_mount+0x24b/0xa40
[  301.115523][ T6493]  __se_sys_mount+0x2da/0x3c0
[  301.120261][ T6493]  ? __x64_sys_mount+0xc0/0xc0
[  301.125086][ T6493]  ? lockdep_hardirqs_on+0x98/0x150
[  301.130341][ T6493]  ? __x64_sys_mount+0x20/0xc0
[  301.135161][ T6493]  do_syscall_64+0x55/0xb0
[  301.139685][ T6493]  ? clear_bhb_loop+0x40/0x90
[  301.144435][ T6493]  ? clear_bhb_loop+0x40/0x90
[  301.149186][ T6493]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  301.155136][ T6493] RIP: 0033:0x7f90a9790eea
[  301.159611][ T6493] 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
[  301.180289][ T6493] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.188857][ T6493] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  301.196866][ T6493] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  301.204862][ T6493] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  301.212858][ T6493] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  301.220879][ T6493] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  301.228934][ T6493]  </TASK>
[  301.233091][ T6493] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  301.247188][ T6493] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  301.696417][ T6496] loop1: detected capacity change from 0 to 32768
[  301.712363][ T6496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  301.719892][ T6496] CPU: 0 PID: 6496 Comm: syz.1.191 Not tainted syzkaller #0
[  301.727232][ T6496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  301.737352][ T6496] Call Trace:
[  301.740696][ T6496]  <TASK>
[  301.743681][ T6496]  dump_stack_lvl+0x16c/0x230
[  301.748432][ T6496]  ? show_regs_print_info+0x20/0x20
[  301.753708][ T6496]  ? load_image+0x3b0/0x3b0
[  301.758298][ T6496]  sysfs_create_dir_ns+0x256/0x280
[  301.763489][ T6496]  ? sysfs_warn_dup+0xa0/0xa0
[  301.768252][ T6496]  ? do_raw_spin_unlock+0x121/0x230
[  301.773535][ T6496]  kobject_add_internal+0x6b8/0xc70
[  301.778815][ T6496]  kobject_init_and_add+0x126/0x190
[  301.784100][ T6496]  ? lockdep_softirqs_off+0x430/0x430
[  301.789552][ T6496]  ? kobject_add+0x220/0x220
[  301.794313][ T6496]  ? __init_swait_queue_head+0xa9/0x150
[  301.799935][ T6496]  gfs2_sys_fs_add+0x238/0x470
[  301.804775][ T6496]  ? gfs2_recover_set+0x250/0x250
[  301.809889][ T6496]  ? apply_workqueue_attrs+0x180/0x180
[  301.815419][ T6496]  gfs2_fill_super+0x1323/0x1f80
[  301.820441][ T6496]  ? gfs2_reconfigure+0xb10/0xb10
[  301.825720][ T6496]  ? setup_bdev_super+0x56b/0x660
[  301.830819][ T6496]  get_tree_bdev+0x3e4/0x510
[  301.835479][ T6496]  ? end_current_label_crit_section+0x170/0x170
[  301.841787][ T6496]  ? gfs2_reconfigure+0xb10/0xb10
[  301.846902][ T6496]  ? setup_bdev_super+0x660/0x660
[  301.851998][ T6496]  gfs2_get_tree+0x51/0x1e0
[  301.856574][ T6496]  vfs_get_tree+0x8c/0x280
[  301.861056][ T6496]  do_new_mount+0x24b/0xa40
[  301.865623][ T6496]  __se_sys_mount+0x2da/0x3c0
[  301.870357][ T6496]  ? __x64_sys_mount+0xc0/0xc0
[  301.875187][ T6496]  ? lockdep_hardirqs_on+0x98/0x150
[  301.880445][ T6496]  ? __x64_sys_mount+0x20/0xc0
[  301.885262][ T6496]  do_syscall_64+0x55/0xb0
[  301.889731][ T6496]  ? clear_bhb_loop+0x40/0x90
[  301.894465][ T6496]  ? clear_bhb_loop+0x40/0x90
[  301.899206][ T6496]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  301.905170][ T6496] RIP: 0033:0x7f90a9790eea
[  301.909645][ T6496] 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
[  301.929313][ T6496] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  301.937971][ T6496] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  301.946003][ T6496] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  301.954040][ T6496] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  301.962251][ T6496] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  301.970293][ T6496] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  301.978385][ T6496]  </TASK>
[  301.987177][ T6496] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.001302][ T6496] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  302.404952][ T6499] loop1: detected capacity change from 0 to 32768
[  302.424309][ T6499] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  302.431928][ T6499] CPU: 0 PID: 6499 Comm: syz.1.192 Not tainted syzkaller #0
[  302.439282][ T6499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  302.449504][ T6499] Call Trace:
[  302.452855][ T6499]  <TASK>
[  302.455847][ T6499]  dump_stack_lvl+0x16c/0x230
[  302.460607][ T6499]  ? show_regs_print_info+0x20/0x20
[  302.465895][ T6499]  ? load_image+0x3b0/0x3b0
[  302.470505][ T6499]  sysfs_create_dir_ns+0x256/0x280
[  302.475693][ T6499]  ? sysfs_warn_dup+0xa0/0xa0
[  302.480442][ T6499]  ? do_raw_spin_unlock+0x121/0x230
[  302.485746][ T6499]  kobject_add_internal+0x6b8/0xc70
[  302.491033][ T6499]  kobject_init_and_add+0x126/0x190
[  302.496303][ T6499]  ? lockdep_softirqs_off+0x430/0x430
[  302.501746][ T6499]  ? kobject_add+0x220/0x220
[  302.506436][ T6499]  ? __init_swait_queue_head+0xa9/0x150
[  302.512049][ T6499]  gfs2_sys_fs_add+0x238/0x470
[  302.516886][ T6499]  ? gfs2_recover_set+0x250/0x250
[  302.521991][ T6499]  ? apply_workqueue_attrs+0x180/0x180
[  302.527541][ T6499]  gfs2_fill_super+0x1323/0x1f80
[  302.532578][ T6499]  ? gfs2_reconfigure+0xb10/0xb10
[  302.537788][ T6499]  ? setup_bdev_super+0x56b/0x660
[  302.542883][ T6499]  get_tree_bdev+0x3e4/0x510
[  302.547542][ T6499]  ? end_current_label_crit_section+0x170/0x170
[  302.553826][ T6499]  ? gfs2_reconfigure+0xb10/0xb10
[  302.558919][ T6499]  ? setup_bdev_super+0x660/0x660
[  302.564071][ T6499]  gfs2_get_tree+0x51/0x1e0
[  302.568616][ T6499]  vfs_get_tree+0x8c/0x280
[  302.573070][ T6499]  do_new_mount+0x24b/0xa40
[  302.577611][ T6499]  __se_sys_mount+0x2da/0x3c0
[  302.582328][ T6499]  ? __x64_sys_mount+0xc0/0xc0
[  302.587149][ T6499]  ? lockdep_hardirqs_on+0x98/0x150
[  302.592400][ T6499]  ? __x64_sys_mount+0x20/0xc0
[  302.597214][ T6499]  do_syscall_64+0x55/0xb0
[  302.601664][ T6499]  ? clear_bhb_loop+0x40/0x90
[  302.606409][ T6499]  ? clear_bhb_loop+0x40/0x90
[  302.611139][ T6499]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  302.617154][ T6499] RIP: 0033:0x7f90a9790eea
[  302.621611][ T6499] 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
[  302.641343][ T6499] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  302.649791][ T6499] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  302.657798][ T6499] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  302.665895][ T6499] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  302.673996][ T6499] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  302.682002][ T6499] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  302.690043][ T6499]  </TASK>
[  302.702801][ T6499] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  302.717555][ T6499] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  303.111319][ T6502] loop1: detected capacity change from 0 to 32768
[  303.122807][ T6502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.130402][ T6502] CPU: 0 PID: 6502 Comm: syz.1.193 Not tainted syzkaller #0
[  303.137751][ T6502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  303.147956][ T6502] Call Trace:
[  303.151306][ T6502]  <TASK>
[  303.154288][ T6502]  dump_stack_lvl+0x16c/0x230
[  303.159051][ T6502]  ? show_regs_print_info+0x20/0x20
[  303.164327][ T6502]  ? load_image+0x3b0/0x3b0
[  303.168909][ T6502]  sysfs_create_dir_ns+0x256/0x280
[  303.174097][ T6502]  ? sysfs_warn_dup+0xa0/0xa0
[  303.178843][ T6502]  ? do_raw_spin_unlock+0x121/0x230
[  303.184202][ T6502]  kobject_add_internal+0x6b8/0xc70
[  303.189524][ T6502]  kobject_init_and_add+0x126/0x190
[  303.194801][ T6502]  ? lockdep_softirqs_off+0x430/0x430
[  303.200235][ T6502]  ? kobject_add+0x220/0x220
[  303.204899][ T6502]  ? __init_swait_queue_head+0xa9/0x150
[  303.210598][ T6502]  gfs2_sys_fs_add+0x238/0x470
[  303.215437][ T6502]  ? gfs2_recover_set+0x250/0x250
[  303.220536][ T6502]  ? apply_workqueue_attrs+0x180/0x180
[  303.226064][ T6502]  gfs2_fill_super+0x1323/0x1f80
[  303.231083][ T6502]  ? gfs2_reconfigure+0xb10/0xb10
[  303.236187][ T6502]  ? setup_bdev_super+0x56b/0x660
[  303.241265][ T6502]  get_tree_bdev+0x3e4/0x510
[  303.245925][ T6502]  ? end_current_label_crit_section+0x170/0x170
[  303.252235][ T6502]  ? gfs2_reconfigure+0xb10/0xb10
[  303.257320][ T6502]  ? setup_bdev_super+0x660/0x660
[  303.262406][ T6502]  gfs2_get_tree+0x51/0x1e0
[  303.266973][ T6502]  vfs_get_tree+0x8c/0x280
[  303.271446][ T6502]  do_new_mount+0x24b/0xa40
[  303.276015][ T6502]  __se_sys_mount+0x2da/0x3c0
[  303.280745][ T6502]  ? __x64_sys_mount+0xc0/0xc0
[  303.285562][ T6502]  ? lockdep_hardirqs_on+0x98/0x150
[  303.290819][ T6502]  ? __x64_sys_mount+0x20/0xc0
[  303.295640][ T6502]  do_syscall_64+0x55/0xb0
[  303.300120][ T6502]  ? clear_bhb_loop+0x40/0x90
[  303.304860][ T6502]  ? clear_bhb_loop+0x40/0x90
[  303.309595][ T6502]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  303.315625][ T6502] RIP: 0033:0x7f90a9790eea
[  303.320062][ T6502] 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
[  303.339695][ T6502] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  303.348216][ T6502] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  303.356201][ T6502] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  303.364186][ T6502] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  303.372186][ T6502] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  303.380179][ T6502] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  303.388179][ T6502]  </TASK>
[  303.391990][ T6502] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  303.406076][ T6502] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/31 21:29:01 executed programs: 179
[  303.863934][ T6505] loop1: detected capacity change from 0 to 32768
[  303.873405][ T6505] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  303.881270][ T6505] CPU: 0 PID: 6505 Comm: syz.1.194 Not tainted syzkaller #0
[  303.888628][ T6505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  303.898825][ T6505] Call Trace:
[  303.902149][ T6505]  <TASK>
[  303.905131][ T6505]  dump_stack_lvl+0x16c/0x230
[  303.909877][ T6505]  ? show_regs_print_info+0x20/0x20
[  303.915144][ T6505]  ? load_image+0x3b0/0x3b0
[  303.919724][ T6505]  sysfs_create_dir_ns+0x256/0x280
[  303.924918][ T6505]  ? sysfs_warn_dup+0xa0/0xa0
[  303.929710][ T6505]  ? do_raw_spin_unlock+0x121/0x230
[  303.934981][ T6505]  kobject_add_internal+0x6b8/0xc70
[  303.940256][ T6505]  kobject_init_and_add+0x126/0x190
[  303.945517][ T6505]  ? lockdep_softirqs_off+0x430/0x430
[  303.950944][ T6505]  ? kobject_add+0x220/0x220
[  303.955596][ T6505]  ? __init_swait_queue_head+0xa9/0x150
[  303.961203][ T6505]  gfs2_sys_fs_add+0x238/0x470
[  303.966033][ T6505]  ? gfs2_recover_set+0x250/0x250
[  303.971135][ T6505]  ? apply_workqueue_attrs+0x180/0x180
[  303.976687][ T6505]  gfs2_fill_super+0x1323/0x1f80
[  303.981710][ T6505]  ? gfs2_reconfigure+0xb10/0xb10
[  303.986825][ T6505]  ? setup_bdev_super+0x56b/0x660
[  303.991943][ T6505]  get_tree_bdev+0x3e4/0x510
[  303.996610][ T6505]  ? end_current_label_crit_section+0x170/0x170
[  304.002927][ T6505]  ? gfs2_reconfigure+0xb10/0xb10
[  304.008028][ T6505]  ? setup_bdev_super+0x660/0x660
[  304.013165][ T6505]  gfs2_get_tree+0x51/0x1e0
[  304.017839][ T6505]  vfs_get_tree+0x8c/0x280
[  304.022477][ T6505]  do_new_mount+0x24b/0xa40
[  304.027057][ T6505]  __se_sys_mount+0x2da/0x3c0
[  304.031799][ T6505]  ? __x64_sys_mount+0xc0/0xc0
[  304.036626][ T6505]  ? lockdep_hardirqs_on+0x98/0x150
[  304.041972][ T6505]  ? __x64_sys_mount+0x20/0xc0
[  304.046792][ T6505]  do_syscall_64+0x55/0xb0
[  304.051455][ T6505]  ? clear_bhb_loop+0x40/0x90
[  304.056183][ T6505]  ? clear_bhb_loop+0x40/0x90
[  304.060926][ T6505]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  304.067054][ T6505] RIP: 0033:0x7f90a9790eea
[  304.071696][ T6505] 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
[  304.091366][ T6505] RSP: 002b:00007ffe0f8b3108 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  304.099938][ T6505] RAX: ffffffffffffffda RBX: 00007ffe0f8b3190 RCX: 00007f90a9790eea
[  304.107966][ T6505] RDX: 0000200000000000 RSI: 0000200000000100 RDI: 00007ffe0f8b3150
[  304.116379][ T6505] RBP: 0000200000000000 R08: 00007ffe0f8b3190 R09: 0000000000208c1b
[  304.124422][ T6505] R10: 0000000000208c1b R11: 0000000000000246 R12: 0000200000000100
[  304.132450][ T6505] R13: 00007ffe0f8b3150 R14: 0000000000012754 R15: 0000200000012900
[  304.140493][ T6505]  </TASK>
[  304.144271][ T6505] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  304.158528][ T6505] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  304.228822][   T29] INFO: task syz-executor:5897 blocked for more than 143 seconds.
[  304.237207][   T29]       Not tainted syzkaller #0
[  304.242870][   T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  304.251779][   T29] task:syz-executor    state:D stack:21480 pid:5897  ppid:1      flags:0x00004004
[  304.261301][   T29] Call Trace:
[  304.264861][   T29]  <TASK>
[  304.267861][   T29]  __schedule+0x14d2/0x44d0
[  304.272597][   T29]  ? asan.module_dtor+0x20/0x20
[  304.277659][   T29]  ? lockdep_hardirqs_on_prepare+0x400/0x760
[  304.283801][   T29]  ? lock_chain_count+0x20/0x20
[  304.288896][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  304.294162][   T29]  ? _raw_spin_unlock_irqrestore+0xae/0x110
[  304.300616][   T29]  ? _raw_spin_unlock+0x40/0x40
[  304.305566][   T29]  schedule+0xbd/0x170
[  304.309836][   T29]  bit_wait+0x11/0xd0
[  304.314001][   T29]  __wait_on_bit+0xac/0x2d0
[  304.318796][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  304.325166][   T29]  ? out_of_line_wait_on_bit_lock+0x170/0x170
[  304.331434][   T29]  out_of_line_wait_on_bit+0x123/0x170
[  304.337108][   T29]  ? __wait_on_bit+0x2d0/0x2d0
[  304.342127][   T29]  ? bit_waitqueue+0x30/0x30
[  304.346887][   T29]  gfs2_glock_wait+0xbd/0x2a0
[  304.351877][   T29]  __gfs2_lookup+0x118/0x270
[  304.356538][   T29]  ? lockdep_softirqs_off+0x430/0x430
[  304.362127][   T29]  ? gfs2_atomic_open+0x220/0x220
[  304.367245][   T29]  ? __lookup_slow+0x281/0x3b0
[  304.372312][   T29]  ? __init_waitqueue_head+0xa9/0x150
[  304.377764][   T29]  __lookup_slow+0x281/0x3b0
[  304.385588][   T29]  ? lookup_one_len+0x2c0/0x2c0
[  304.390961][   T29]  ? down_read+0x1ac/0x2e0
[  304.395491][   T29]  lookup_slow+0x53/0x70
[  304.403776][   T29]  walk_component+0x2be/0x3f0
[  304.408896][   T29]  ? path_lookupat+0x15c/0x440
[  304.413747][   T29]  path_lookupat+0x169/0x440
[  304.420730][   T29]  filename_lookup+0x1f4/0x510
[  304.425580][   T29]  ? __virt_addr_valid+0x18c/0x540
[  304.430939][   T29]  ? hashlen_string+0x110/0x110
[  304.435884][   T29]  ? strncpy_from_user+0x197/0x2e0
[  304.441192][   T29]  ? getname_flags+0x20a/0x500
[  304.446033][   T29]  user_path_at_empty+0x42/0x60
[  304.453181][   T29]  __x64_sys_umount+0xf5/0x170
[  304.458031][   T29]  ? path_umount+0xef0/0xef0
[  304.462746][   T29]  ? lockdep_hardirqs_on+0x98/0x150
[  304.468014][   T29]  do_syscall_64+0x55/0xb0
[  304.474780][   T29]  ? clear_bhb_loop+0x40/0x90
[  304.480684][   T29]  ? clear_bhb_loop+0x40/0x90
[  304.485444][   T29]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  304.494797][   T29] RIP: 0033:0x7fdd48f90a77
[  304.499334][   T29] RSP: 002b:00007fffaeaf3938 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  304.509226][   T29] RAX: ffffffffffffffda RBX: 00007fdd49013d7d RCX: 00007fdd48f90a77
[  304.517282][   T29] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffaeaf39f0
[  304.528034][   T29] RBP: 00007fffaeaf39f0 R08: 0000000000000000 R09: 0000000000000000
[  304.536188][   T29] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffaeaf4ae0
[  304.546619][   T29] R13: 00007fdd49013d7d R14: 000055558d02c4a8 R15: 00007fffaeaf6ca0
[  304.558571][   T29]  </TASK>
[  304.561735][   T29] 
[  304.561735][   T29] Showing all locks held in the system:
[  304.578499][   T29] 1 lock held by khungtaskd/29:
[  304.583440][   T29]  #0: ffffffff8cd2ff20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x290
[  304.596875][   T29] 2 locks held by getty/5528:
[  304.603947][   T29]  #0: ffff88802d1550a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  304.616087][   T29]  #1: ffffc9000326e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x425/0x1380
[  304.626355][   T29] 1 lock held by syz-executor/5897:
[  304.634115][   T29]  #0: ffff88805fc2b068 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: lookup_slow+0x46/0x70
[  304.644257][   T29] 1 lock held by syz.1.194/6507:
[  304.651820][   T29] 1 lock held by syz.1.195/6508:
[  304.656919][   T29] 
[  304.659830][   T29] =============================================
[  304.659830][   T29] 
[  304.668298][   T29] NMI backtrace for cpu 1
[  304.672681][   T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  304.679976][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  304.690080][   T29] Call Trace:
[  304.693401][   T29]  <TASK>
[  304.696376][   T29]  dump_stack_lvl+0x16c/0x230
[  304.701204][   T29]  ? show_regs_print_info+0x20/0x20
[  304.706468][   T29]  ? load_image+0x3b0/0x3b0
[  304.711045][   T29]  nmi_cpu_backtrace+0x39b/0x3d0
[  304.716039][   T29]  ? nmi_trigger_cpumask_backtrace+0x2f0/0x2f0
[  304.722249][   T29]  ? _printk+0xd0/0x110
[  304.726474][   T29]  ? load_image+0x3b0/0x3b0
[  304.731035][   T29]  ? load_image+0x3b0/0x3b0
[  304.735604][   T29]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  304.741731][   T29]  nmi_trigger_cpumask_backtrace+0x17a/0x2f0
[  304.747767][   T29]  watchdog+0xf41/0xf80
[  304.752017][   T29]  ? watchdog+0x1e1/0xf80
[  304.756416][   T29]  kthread+0x2fa/0x390
[  304.760624][   T29]  ? hungtask_pm_notify+0x90/0x90
[  304.765705][   T29]  ? kthread_blkcg+0xd0/0xd0
[  304.770350][   T29]  ret_from_fork+0x48/0x80
[  304.774816][   T29]  ? kthread_blkcg+0xd0/0xd0
[  304.779456][   T29]  ret_from_fork_asm+0x11/0x20
[  304.784286][   T29]  </TASK>
[  304.788172][   T29] Sending NMI from CPU 1 to CPUs 0:
[  304.793707][    C0] NMI backtrace for cpu 0
[  304.793719][    C0] CPU: 0 PID: 11 Comm: kworker/u4:0 Not tainted syzkaller #0
[  304.793735][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  304.793747][    C0] Workqueue: events_unbound nsim_dev_trap_report_work
[  304.793772][    C0] RIP: 0010:__stack_depot_save+0x9/0x630
[  304.793793][    C0] Code: 89 d9 48 d3 e0 48 83 c4 08 5b c3 be 01 00 00 00 48 c7 c7 a0 b7 3e 8d 48 89 da e8 e2 62 00 00 eb da f3 0f 1e fa 55 41 57 41 56 <41> 55 41 54 53 48 83 ec 20 41 89 cf 89 d5 48 89 fb e8 91 d5 22 fd
[  304.793809][    C0] RSP: 0000:ffffc90000107740 EFLAGS: 00000246
[  304.793823][    C0] RAX: 000000000000000b RBX: 0000000000000820 RCX: 0000000000000001
[  304.793834][    C0] RDX: 0000000000000820 RSI: 000000000000000b RDI: ffffc90000107760
[  304.793845][    C0] RBP: ffffc90000107988 R08: ffff88801be43c00 R09: 0000000000000002
[  304.793857][    C0] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
[  304.793868][    C0] R13: 00000000000000f0 R14: ffff88802e5d5730 R15: ffffc90000107760
[  304.793881][    C0] FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[  304.793895][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  304.793907][    C0] CR2: 00007f90a0f78000 CR3: 000000002dd7d000 CR4: 00000000003506f0
[  304.793923][    C0] Call Trace:
[  304.793929][    C0]  <TASK>
[  304.793937][    C0]  kasan_set_track+0x5f/0x70
[  304.793955][    C0]  ? kasan_set_track+0x4e/0x70
[  304.793971][    C0]  ? __kasan_slab_alloc+0x6c/0x80
[  304.793989][    C0]  ? slab_post_alloc_hook+0x6e/0x4d0
[  304.794012][    C0]  ? kmem_cache_alloc_node+0x150/0x330
[  304.794036][    C0]  ? __alloc_skb+0x108/0x2c0
[  304.794052][    C0]  ? nsim_dev_trap_report_work+0x293/0xb00
[  304.794071][    C0]  ? process_scheduled_works+0xa45/0x15b0
[  304.794091][    C0]  ? worker_thread+0xa55/0xfc0
[  304.794110][    C0]  ? kthread+0x2fa/0x390
[  304.794124][    C0]  ? ret_from_fork+0x48/0x80
[  304.794143][    C0]  ? ret_from_fork_asm+0x11/0x20
[  304.794188][    C0]  __kasan_slab_alloc+0x6c/0x80
[  304.794208][    C0]  slab_post_alloc_hook+0x6e/0x4d0
[  304.794236][    C0]  kmem_cache_alloc_node+0x150/0x330
[  304.794259][    C0]  ? slab_free_freelist_hook+0x130/0x1b0
[  304.794285][    C0]  ? __alloc_skb+0x108/0x2c0
[  304.794304][    C0]  __alloc_skb+0x108/0x2c0
[  304.794324][    C0]  nsim_dev_trap_report_work+0x293/0xb00
[  304.794353][    C0]  ? process_scheduled_works+0x957/0x15b0
[  304.794374][    C0]  process_scheduled_works+0xa45/0x15b0
[  304.794409][    C0]  ? assign_work+0x400/0x400
[  304.794432][    C0]  ? assign_work+0x39e/0x400
[  304.794453][    C0]  worker_thread+0xa55/0xfc0
[  304.794486][    C0]  kthread+0x2fa/0x390
[  304.794500][    C0]  ? pr_cont_work+0x560/0x560
[  304.794520][    C0]  ? kthread_blkcg+0xd0/0xd0
[  304.794535][    C0]  ret_from_fork+0x48/0x80
[  304.794554][    C0]  ? kthread_blkcg+0xd0/0xd0
[  304.794577][    C0]  ret_from_fork_asm+0x11/0x20
[  304.794607][    C0]  </TASK>
[  304.799361][   T29] Kernel panic - not syncing: hung_task: blocked tasks
[  304.799395][   T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted syzkaller #0
[  304.799447][   T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  304.799480][   T29] Call Trace:
[  304.799501][   T29]  <TASK>
[  304.799530][   T29]  dump_stack_lvl+0x16c/0x230
[  305.111977][   T29]  ? show_regs_print_info+0x20/0x20
[  305.117221][   T29]  ? load_image+0x3b0/0x3b0
[  305.121769][   T29]  panic+0x2c0/0x710
[  305.125693][   T29]  ? schedule_preempt_disabled+0x20/0x20
[  305.131359][   T29]  ? bpf_jit_dump+0xd0/0xd0
[  305.135903][   T29]  ? __irq_work_queue_local+0x13a/0x3b0
[  305.141480][   T29]  ? nmi_trigger_cpumask_backtrace+0x2a4/0x2f0
[  305.147662][   T29]  watchdog+0xf80/0xf80
[  305.151850][   T29]  ? watchdog+0x1e1/0xf80
[  305.156216][   T29]  kthread+0x2fa/0x390
[  305.160312][   T29]  ? hungtask_pm_notify+0x90/0x90
[  305.165377][   T29]  ? kthread_blkcg+0xd0/0xd0
[  305.169989][   T29]  ret_from_fork+0x48/0x80
[  305.174787][   T29]  ? kthread_blkcg+0xd0/0xd0
[  305.179408][   T29]  ret_from_fork_asm+0x11/0x20
[  305.184215][   T29]  </TASK>
[  305.187861][   T29] Kernel Offset: disabled
[  305.192199][   T29] Rebooting in 86400 seconds..