][ T4577] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  442.450405][ T4577] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  442.458554][ T4577] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  442.466589][ T4577] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  442.474597][ T4577] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  442.482608][ T4577] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  442.490635][ T4577]  </TASK>
[  442.499609][ T4577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  442.515112][ T4577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  442.790493][ T4578] loop1: detected capacity change from 0 to 32768
[  442.834930][ T4578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  442.843609][ T4578] CPU: 0 PID: 4578 Comm: syz.1.194 Not tainted syzkaller #0
[  442.850954][ T4578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  442.861059][ T4578] Call Trace:
[  442.864372][ T4578]  <TASK>
[  442.867338][ T4578]  dump_stack_lvl+0x188/0x250
[  442.872075][ T4578]  ? show_regs_print_info+0x20/0x20
[  442.877398][ T4578]  ? load_image+0x410/0x410
[  442.881950][ T4578]  sysfs_create_dir_ns+0x26a/0x290
[  442.887276][ T4578]  ? sysfs_warn_dup+0xa0/0xa0
[  442.892014][ T4578]  ? do_raw_spin_unlock+0x11d/0x230
[  442.897255][ T4578]  kobject_add_internal+0x5ba/0xcd0
[  442.902499][ T4578]  kobject_init_and_add+0x128/0x190
[  442.907734][ T4578]  ? lockdep_softirqs_off+0x430/0x430
[  442.913144][ T4578]  ? kobject_add+0x230/0x230
[  442.917778][ T4578]  ? __init_swait_queue_head+0xa4/0x140
[  442.923368][ T4578]  gfs2_sys_fs_add+0x24f/0x4b0
[  442.928184][ T4578]  ? gfs2_recover_set+0x240/0x240
[  442.933270][ T4578]  ? snprintf+0xe5/0x140
[  442.937561][ T4578]  ? __free_pages+0x95/0x1a0
[  442.942190][ T4578]  ? vscnprintf+0x80/0x80
[  442.946567][ T4578]  gfs2_fill_super+0x11ed/0x1ea0
[  442.951581][ T4578]  ? gfs2_reconfigure+0xd80/0xd80
[  442.956654][ T4578]  ? sb_set_blocksize+0xa5/0xe0
[  442.961551][ T4578]  get_tree_bdev+0x3e6/0x610
[  442.966179][ T4578]  ? gfs2_reconfigure+0xd80/0xd80
[  442.971243][ T4578]  gfs2_get_tree+0x4d/0x1e0
[  442.975785][ T4578]  vfs_get_tree+0x88/0x270
[  442.980241][ T4578]  do_new_mount+0x247/0xa40
[  442.984788][ T4578]  __se_sys_mount+0x2e3/0x3d0
[  442.989505][ T4578]  ? __x64_sys_mount+0xc0/0xc0
[  442.994303][ T4578]  ? lockdep_hardirqs_on+0x94/0x140
[  442.999532][ T4578]  ? __x64_sys_mount+0x1c/0xc0
[  443.004333][ T4578]  do_syscall_64+0x4c/0xa0
[  443.008781][ T4578]  ? clear_bhb_loop+0x30/0x80
[  443.013492][ T4578]  ? clear_bhb_loop+0x30/0x80
[  443.018197][ T4578]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  443.024127][ T4578] RIP: 0033:0x7f07473403ca
[  443.028574][ T4578] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  443.048209][ T4578] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  443.056687][ T4578] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  443.064692][ T4578] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  443.072783][ T4578] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  443.080783][ T4578] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  443.088783][ T4578] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  443.096822][ T4578]  </TASK>
[  443.105631][ T4578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  443.121054][ T4578] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/18 19:12:56 executed programs: 180
[  443.395724][ T4579] loop1: detected capacity change from 0 to 32768
[  443.453198][ T4579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  443.461439][ T4579] CPU: 1 PID: 4579 Comm: syz.1.195 Not tainted syzkaller #0
[  443.468793][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  443.478885][ T4579] Call Trace:
[  443.482216][ T4579]  <TASK>
[  443.485182][ T4579]  dump_stack_lvl+0x188/0x250
[  443.489908][ T4579]  ? show_regs_print_info+0x20/0x20
[  443.495141][ T4579]  ? load_image+0x410/0x410
[  443.499695][ T4579]  sysfs_create_dir_ns+0x26a/0x290
[  443.504842][ T4579]  ? sysfs_warn_dup+0xa0/0xa0
[  443.509564][ T4579]  ? do_raw_spin_unlock+0x11d/0x230
[  443.514802][ T4579]  kobject_add_internal+0x5ba/0xcd0
[  443.520044][ T4579]  kobject_init_and_add+0x128/0x190
[  443.525279][ T4579]  ? lockdep_softirqs_off+0x430/0x430
[  443.532250][ T4579]  ? kobject_add+0x230/0x230
[  443.536987][ T4579]  ? __init_swait_queue_head+0xa4/0x140
[  443.542582][ T4579]  gfs2_sys_fs_add+0x24f/0x4b0
[  443.547401][ T4579]  ? gfs2_recover_set+0x240/0x240
[  443.552461][ T4579]  ? snprintf+0xe5/0x140
[  443.556740][ T4579]  ? __free_pages+0x95/0x1a0
[  443.561363][ T4579]  ? vscnprintf+0x80/0x80
[  443.565742][ T4579]  gfs2_fill_super+0x11ed/0x1ea0
[  443.570723][ T4579]  ? gfs2_reconfigure+0xd80/0xd80
[  443.575794][ T4579]  ? sb_set_blocksize+0xa5/0xe0
[  443.580679][ T4579]  get_tree_bdev+0x3e6/0x610
[  443.585308][ T4579]  ? gfs2_reconfigure+0xd80/0xd80
[  443.590362][ T4579]  gfs2_get_tree+0x4d/0x1e0
[  443.594902][ T4579]  vfs_get_tree+0x88/0x270
[  443.599356][ T4579]  do_new_mount+0x247/0xa40
[  443.603908][ T4579]  __se_sys_mount+0x2e3/0x3d0
[  443.608633][ T4579]  ? __x64_sys_mount+0xc0/0xc0
[  443.613439][ T4579]  ? lockdep_hardirqs_on+0x94/0x140
[  443.618673][ T4579]  ? __x64_sys_mount+0x1c/0xc0
[  443.623485][ T4579]  do_syscall_64+0x4c/0xa0
[  443.628133][ T4579]  ? clear_bhb_loop+0x30/0x80
[  443.632842][ T4579]  ? clear_bhb_loop+0x30/0x80
[  443.637559][ T4579]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  443.643484][ T4579] RIP: 0033:0x7f07473403ca
[  443.647967][ T4579] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  443.667605][ T4579] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  443.676087][ T4579] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  443.684097][ T4579] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  443.692127][ T4579] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  443.700127][ T4579] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  443.708133][ T4579] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  443.716161][ T4579]  </TASK>
[  443.729407][ T4579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  443.742678][ T4579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  444.105005][ T4580] loop1: detected capacity change from 0 to 32768
[  444.173549][ T4580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  444.184166][ T4580] CPU: 1 PID: 4580 Comm: syz.1.196 Not tainted syzkaller #0
[  444.191621][ T4580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  444.201714][ T4580] Call Trace:
[  444.205028][ T4580]  <TASK>
[  444.208026][ T4580]  dump_stack_lvl+0x188/0x250
[  444.212749][ T4580]  ? show_regs_print_info+0x20/0x20
[  444.217999][ T4580]  ? load_image+0x410/0x410
[  444.222566][ T4580]  sysfs_create_dir_ns+0x26a/0x290
[  444.227718][ T4580]  ? sysfs_warn_dup+0xa0/0xa0
[  444.232437][ T4580]  ? do_raw_spin_unlock+0x11d/0x230
[  444.237669][ T4580]  kobject_add_internal+0x5ba/0xcd0
[  444.242911][ T4580]  kobject_init_and_add+0x128/0x190
[  444.248152][ T4580]  ? lockdep_softirqs_off+0x430/0x430
[  444.253616][ T4580]  ? kobject_add+0x230/0x230
[  444.258279][ T4580]  ? __init_swait_queue_head+0xa4/0x140
[  444.263867][ T4580]  gfs2_sys_fs_add+0x24f/0x4b0
[  444.268673][ T4580]  ? gfs2_recover_set+0x240/0x240
[  444.273755][ T4580]  ? snprintf+0xe5/0x140
[  444.278037][ T4580]  ? __free_pages+0x95/0x1a0
[  444.282668][ T4580]  ? vscnprintf+0x80/0x80
[  444.287044][ T4580]  gfs2_fill_super+0x11ed/0x1ea0
[  444.292030][ T4580]  ? gfs2_reconfigure+0xd80/0xd80
[  444.297108][ T4580]  ? sb_set_blocksize+0xa5/0xe0
[  444.301996][ T4580]  get_tree_bdev+0x3e6/0x610
[  444.306650][ T4580]  ? gfs2_reconfigure+0xd80/0xd80
[  444.311711][ T4580]  gfs2_get_tree+0x4d/0x1e0
[  444.316260][ T4580]  vfs_get_tree+0x88/0x270
[  444.320717][ T4580]  do_new_mount+0x247/0xa40
[  444.325268][ T4580]  __se_sys_mount+0x2e3/0x3d0
[  444.329987][ T4580]  ? __x64_sys_mount+0xc0/0xc0
[  444.334804][ T4580]  ? lockdep_hardirqs_on+0x94/0x140
[  444.340067][ T4580]  ? __x64_sys_mount+0x1c/0xc0
[  444.344878][ T4580]  do_syscall_64+0x4c/0xa0
[  444.349347][ T4580]  ? clear_bhb_loop+0x30/0x80
[  444.354169][ T4580]  ? clear_bhb_loop+0x30/0x80
[  444.358885][ T4580]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  444.364835][ T4580] RIP: 0033:0x7f07473403ca
[  444.369288][ T4580] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  444.388936][ T4580] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  444.397420][ T4580] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  444.405440][ T4580] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  444.413505][ T4580] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  444.421520][ T4580] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  444.429539][ T4580] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  444.437574][ T4580]  </TASK>
[  444.449260][ T4580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  444.463676][ T4580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  444.861946][ T4581] loop1: detected capacity change from 0 to 32768
[  444.912688][ T4581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  444.920135][ T4581] CPU: 0 PID: 4581 Comm: syz.1.197 Not tainted syzkaller #0
[  444.927458][ T4581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  444.937557][ T4581] Call Trace:
[  444.940871][ T4581]  <TASK>
[  444.943828][ T4581]  dump_stack_lvl+0x188/0x250
[  444.948596][ T4581]  ? show_regs_print_info+0x20/0x20
[  444.953841][ T4581]  ? load_image+0x410/0x410
[  444.958394][ T4581]  sysfs_create_dir_ns+0x26a/0x290
[  444.963547][ T4581]  ? sysfs_warn_dup+0xa0/0xa0
[  444.968266][ T4581]  ? do_raw_spin_unlock+0x11d/0x230
[  444.973511][ T4581]  kobject_add_internal+0x5ba/0xcd0
[  444.978865][ T4581]  kobject_init_and_add+0x128/0x190
[  444.984193][ T4581]  ? lockdep_softirqs_off+0x430/0x430
[  444.989612][ T4581]  ? kobject_add+0x230/0x230
[  444.994252][ T4581]  ? __init_swait_queue_head+0xa4/0x140
[  444.999838][ T4581]  gfs2_sys_fs_add+0x24f/0x4b0
[  445.004671][ T4581]  ? gfs2_recover_set+0x240/0x240
[  445.009734][ T4581]  ? snprintf+0xe5/0x140
[  445.014010][ T4581]  ? __free_pages+0x95/0x1a0
[  445.018641][ T4581]  ? vscnprintf+0x80/0x80
[  445.023016][ T4581]  gfs2_fill_super+0x11ed/0x1ea0
[  445.028004][ T4581]  ? gfs2_reconfigure+0xd80/0xd80
[  445.033097][ T4581]  ? sb_set_blocksize+0xa5/0xe0
[  445.037990][ T4581]  get_tree_bdev+0x3e6/0x610
[  445.042624][ T4581]  ? gfs2_reconfigure+0xd80/0xd80
[  445.047685][ T4581]  gfs2_get_tree+0x4d/0x1e0
[  445.052233][ T4581]  vfs_get_tree+0x88/0x270
[  445.056711][ T4581]  do_new_mount+0x247/0xa40
[  445.061381][ T4581]  __se_sys_mount+0x2e3/0x3d0
[  445.066124][ T4581]  ? __x64_sys_mount+0xc0/0xc0
[  445.070931][ T4581]  ? lockdep_hardirqs_on+0x94/0x140
[  445.076167][ T4581]  ? __x64_sys_mount+0x1c/0xc0
[  445.080971][ T4581]  do_syscall_64+0x4c/0xa0
[  445.085423][ T4581]  ? clear_bhb_loop+0x30/0x80
[  445.090132][ T4581]  ? clear_bhb_loop+0x30/0x80
[  445.094843][ T4581]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  445.100770][ T4581] RIP: 0033:0x7f07473403ca
[  445.105215][ T4581] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  445.124884][ T4581] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  445.133342][ T4581] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  445.141383][ T4581] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  445.149389][ T4581] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  445.157398][ T4581] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  445.165403][ T4581] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  445.173423][ T4581]  </TASK>
[  445.183236][ T4581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  445.198237][ T4581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  445.464983][ T4582] loop1: detected capacity change from 0 to 32768
[  445.552157][ T4582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  445.559709][ T4582] CPU: 1 PID: 4582 Comm: syz.1.198 Not tainted syzkaller #0
[  445.567040][ T4582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  445.577143][ T4582] Call Trace:
[  445.580464][ T4582]  <TASK>
[  445.583564][ T4582]  dump_stack_lvl+0x188/0x250
[  445.588303][ T4582]  ? show_regs_print_info+0x20/0x20
[  445.593541][ T4582]  ? load_image+0x410/0x410
[  445.598118][ T4582]  sysfs_create_dir_ns+0x26a/0x290
[  445.603274][ T4582]  ? sysfs_warn_dup+0xa0/0xa0
[  445.607989][ T4582]  ? do_raw_spin_unlock+0x11d/0x230
[  445.613230][ T4582]  kobject_add_internal+0x5ba/0xcd0
[  445.618470][ T4582]  kobject_init_and_add+0x128/0x190
[  445.623722][ T4582]  ? lockdep_softirqs_off+0x430/0x430
[  445.629137][ T4582]  ? kobject_add+0x230/0x230
[  445.633772][ T4582]  ? __init_swait_queue_head+0xa4/0x140
[  445.639364][ T4582]  gfs2_sys_fs_add+0x24f/0x4b0
[  445.644172][ T4582]  ? gfs2_recover_set+0x240/0x240
[  445.649238][ T4582]  ? snprintf+0xe5/0x140
[  445.653516][ T4582]  ? __free_pages+0x95/0x1a0
[  445.658193][ T4582]  ? vscnprintf+0x80/0x80
[  445.662572][ T4582]  gfs2_fill_super+0x11ed/0x1ea0
[  445.667560][ T4582]  ? gfs2_reconfigure+0xd80/0xd80
[  445.672639][ T4582]  ? sb_set_blocksize+0xa5/0xe0
[  445.677528][ T4582]  get_tree_bdev+0x3e6/0x610
[  445.682175][ T4582]  ? gfs2_reconfigure+0xd80/0xd80
[  445.687235][ T4582]  gfs2_get_tree+0x4d/0x1e0
[  445.691777][ T4582]  vfs_get_tree+0x88/0x270
[  445.696234][ T4582]  do_new_mount+0x247/0xa40
[  445.700781][ T4582]  __se_sys_mount+0x2e3/0x3d0
[  445.705591][ T4582]  ? __x64_sys_mount+0xc0/0xc0
[  445.710396][ T4582]  ? lockdep_hardirqs_on+0x94/0x140
[  445.715630][ T4582]  ? __x64_sys_mount+0x1c/0xc0
[  445.720437][ T4582]  do_syscall_64+0x4c/0xa0
[  445.724894][ T4582]  ? clear_bhb_loop+0x30/0x80
[  445.729605][ T4582]  ? clear_bhb_loop+0x30/0x80
[  445.734325][ T4582]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  445.740249][ T4582] RIP: 0033:0x7f07473403ca
[  445.744688][ T4582] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  445.764323][ T4582] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  445.772797][ T4582] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  445.780831][ T4582] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  445.788834][ T4582] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  445.796845][ T4582] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  445.804850][ T4582] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  445.812962][ T4582]  </TASK>
[  445.829181][ T4582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  445.842426][ T4582] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  446.223031][ T4583] loop1: detected capacity change from 0 to 32768
[  446.270341][ T4583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  446.277971][ T4583] CPU: 1 PID: 4583 Comm: syz.1.199 Not tainted syzkaller #0
[  446.285292][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  446.295423][ T4583] Call Trace:
[  446.298756][ T4583]  <TASK>
[  446.301717][ T4583]  dump_stack_lvl+0x188/0x250
[  446.306441][ T4583]  ? show_regs_print_info+0x20/0x20
[  446.311682][ T4583]  ? load_image+0x410/0x410
[  446.316233][ T4583]  sysfs_create_dir_ns+0x26a/0x290
[  446.321402][ T4583]  ? sysfs_warn_dup+0xa0/0xa0
[  446.326115][ T4583]  ? do_raw_spin_unlock+0x11d/0x230
[  446.331358][ T4583]  kobject_add_internal+0x5ba/0xcd0
[  446.336601][ T4583]  kobject_init_and_add+0x128/0x190
[  446.341845][ T4583]  ? lockdep_softirqs_off+0x430/0x430
[  446.347612][ T4583]  ? kobject_add+0x230/0x230
[  446.352251][ T4583]  ? __init_swait_queue_head+0xa4/0x140
[  446.357984][ T4583]  gfs2_sys_fs_add+0x24f/0x4b0
[  446.362789][ T4583]  ? gfs2_recover_set+0x240/0x240
[  446.367853][ T4583]  ? snprintf+0xe5/0x140
[  446.372136][ T4583]  ? __free_pages+0x95/0x1a0
[  446.376771][ T4583]  ? vscnprintf+0x80/0x80
[  446.381152][ T4583]  gfs2_fill_super+0x11ed/0x1ea0
[  446.386174][ T4583]  ? gfs2_reconfigure+0xd80/0xd80
[  446.391257][ T4583]  ? sb_set_blocksize+0xa5/0xe0
[  446.396145][ T4583]  get_tree_bdev+0x3e6/0x610
[  446.400925][ T4583]  ? gfs2_reconfigure+0xd80/0xd80
[  446.406006][ T4583]  gfs2_get_tree+0x4d/0x1e0
[  446.410544][ T4583]  vfs_get_tree+0x88/0x270
[  446.414996][ T4583]  do_new_mount+0x247/0xa40
[  446.419636][ T4583]  __se_sys_mount+0x2e3/0x3d0
[  446.424630][ T4583]  ? __x64_sys_mount+0xc0/0xc0
[  446.429452][ T4583]  ? lockdep_hardirqs_on+0x94/0x140
[  446.434694][ T4583]  ? __x64_sys_mount+0x1c/0xc0
[  446.439506][ T4583]  do_syscall_64+0x4c/0xa0
[  446.443958][ T4583]  ? clear_bhb_loop+0x30/0x80
[  446.448670][ T4583]  ? clear_bhb_loop+0x30/0x80
[  446.453388][ T4583]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  446.459322][ T4583] RIP: 0033:0x7f07473403ca
[  446.463771][ T4583] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  446.483416][ T4583] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  446.491867][ T4583] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  446.499904][ T4583] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  446.507918][ T4583] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  446.515959][ T4583] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  446.523970][ T4583] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  446.531989][ T4583]  </TASK>
[  446.540141][ T4583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  446.553507][ T4583] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  446.871417][ T4584] loop1: detected capacity change from 0 to 32768
[  446.921864][ T4584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  446.929485][ T4584] CPU: 1 PID: 4584 Comm: syz.1.200 Not tainted syzkaller #0
[  446.936828][ T4584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  446.946920][ T4584] Call Trace:
[  446.950235][ T4584]  <TASK>
[  446.953196][ T4584]  dump_stack_lvl+0x188/0x250
[  446.957913][ T4584]  ? show_regs_print_info+0x20/0x20
[  446.963146][ T4584]  ? load_image+0x410/0x410
[  446.967696][ T4584]  sysfs_create_dir_ns+0x26a/0x290
[  446.972844][ T4584]  ? sysfs_warn_dup+0xa0/0xa0
[  446.977561][ T4584]  ? do_raw_spin_unlock+0x11d/0x230
[  446.982798][ T4584]  kobject_add_internal+0x5ba/0xcd0
[  446.988040][ T4584]  kobject_init_and_add+0x128/0x190
[  446.993370][ T4584]  ? lockdep_softirqs_off+0x430/0x430
[  446.998791][ T4584]  ? kobject_add+0x230/0x230
[  447.003426][ T4584]  ? __init_swait_queue_head+0xa4/0x140
[  447.009035][ T4584]  gfs2_sys_fs_add+0x24f/0x4b0
[  447.013836][ T4584]  ? gfs2_recover_set+0x240/0x240
[  447.018902][ T4584]  ? snprintf+0xe5/0x140
[  447.023174][ T4584]  ? __free_pages+0x95/0x1a0
[  447.027798][ T4584]  ? vscnprintf+0x80/0x80
[  447.032198][ T4584]  gfs2_fill_super+0x11ed/0x1ea0
[  447.037182][ T4584]  ? gfs2_reconfigure+0xd80/0xd80
[  447.042290][ T4584]  ? sb_set_blocksize+0xa5/0xe0
[  447.047188][ T4584]  get_tree_bdev+0x3e6/0x610
[  447.051820][ T4584]  ? gfs2_reconfigure+0xd80/0xd80
[  447.056879][ T4584]  gfs2_get_tree+0x4d/0x1e0
[  447.061419][ T4584]  vfs_get_tree+0x88/0x270
[  447.065872][ T4584]  do_new_mount+0x247/0xa40
[  447.070417][ T4584]  __se_sys_mount+0x2e3/0x3d0
[  447.075134][ T4584]  ? __x64_sys_mount+0xc0/0xc0
[  447.079938][ T4584]  ? lockdep_hardirqs_on+0x94/0x140
[  447.085167][ T4584]  ? __x64_sys_mount+0x1c/0xc0
[  447.089996][ T4584]  do_syscall_64+0x4c/0xa0
[  447.094445][ T4584]  ? clear_bhb_loop+0x30/0x80
[  447.099154][ T4584]  ? clear_bhb_loop+0x30/0x80
[  447.103867][ T4584]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  447.109798][ T4584] RIP: 0033:0x7f07473403ca
[  447.114242][ T4584] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  447.133904][ T4584] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  447.142356][ T4584] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  447.150359][ T4584] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  447.158366][ T4584] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  447.166395][ T4584] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  447.174376][ T4584] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  447.182363][ T4584]  </TASK>
[  447.186621][ T4584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  447.200152][ T4584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  447.240572][ T4266] Bluetooth: hci1: command 0x0406 tx timeout
[  447.603076][ T4585] loop1: detected capacity change from 0 to 32768
[  447.650653][ T4585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  447.658098][ T4585] CPU: 1 PID: 4585 Comm: syz.1.201 Not tainted syzkaller #0
[  447.665417][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  447.675514][ T4585] Call Trace:
[  447.678825][ T4585]  <TASK>
[  447.681802][ T4585]  dump_stack_lvl+0x188/0x250
[  447.686537][ T4585]  ? show_regs_print_info+0x20/0x20
[  447.691869][ T4585]  ? load_image+0x410/0x410
[  447.696421][ T4585]  sysfs_create_dir_ns+0x26a/0x290
[  447.701578][ T4585]  ? sysfs_warn_dup+0xa0/0xa0
[  447.706305][ T4585]  ? do_raw_spin_unlock+0x11d/0x230
[  447.711708][ T4585]  kobject_add_internal+0x5ba/0xcd0
[  447.716952][ T4585]  kobject_init_and_add+0x128/0x190
[  447.722279][ T4585]  ? lockdep_softirqs_off+0x430/0x430
[  447.727698][ T4585]  ? kobject_add+0x230/0x230
[  447.732344][ T4585]  ? __init_swait_queue_head+0xa4/0x140
[  447.738119][ T4585]  gfs2_sys_fs_add+0x24f/0x4b0
[  447.742923][ T4585]  ? gfs2_recover_set+0x240/0x240
[  447.747983][ T4585]  ? snprintf+0xe5/0x140
[  447.752266][ T4585]  ? __free_pages+0x95/0x1a0
[  447.756893][ T4585]  ? vscnprintf+0x80/0x80
[  447.761357][ T4585]  gfs2_fill_super+0x11ed/0x1ea0
[  447.766345][ T4585]  ? gfs2_reconfigure+0xd80/0xd80
[  447.771419][ T4585]  ? sb_set_blocksize+0xa5/0xe0
[  447.776334][ T4585]  get_tree_bdev+0x3e6/0x610
[  447.780968][ T4585]  ? gfs2_reconfigure+0xd80/0xd80
[  447.786023][ T4585]  gfs2_get_tree+0x4d/0x1e0
[  447.790567][ T4585]  vfs_get_tree+0x88/0x270
[  447.795112][ T4585]  do_new_mount+0x247/0xa40
[  447.799686][ T4585]  __se_sys_mount+0x2e3/0x3d0
[  447.804399][ T4585]  ? __x64_sys_mount+0xc0/0xc0
[  447.809200][ T4585]  ? lockdep_hardirqs_on+0x94/0x140
[  447.814430][ T4585]  ? __x64_sys_mount+0x1c/0xc0
[  447.819233][ T4585]  do_syscall_64+0x4c/0xa0
[  447.824120][ T4585]  ? clear_bhb_loop+0x30/0x80
[  447.828844][ T4585]  ? clear_bhb_loop+0x30/0x80
[  447.833570][ T4585]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  447.839509][ T4585] RIP: 0033:0x7f07473403ca
[  447.843988][ T4585] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  447.863627][ T4585] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  447.872080][ T4585] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  447.880089][ T4585] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  447.888103][ T4585] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  447.896117][ T4585] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  447.904122][ T4585] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  447.912147][ T4585]  </TASK>
[  447.928878][ T4585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  447.942336][ T4585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  448.301919][ T4586] loop1: detected capacity change from 0 to 32768
[  448.350491][ T4586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  448.357937][ T4586] CPU: 1 PID: 4586 Comm: syz.1.202 Not tainted syzkaller #0
[  448.365341][ T4586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  448.375439][ T4586] Call Trace:
[  448.378754][ T4586]  <TASK>
[  448.381724][ T4586]  dump_stack_lvl+0x188/0x250
[  448.386445][ T4586]  ? show_regs_print_info+0x20/0x20
[  448.391693][ T4586]  ? load_image+0x410/0x410
[  448.396256][ T4586]  sysfs_create_dir_ns+0x26a/0x290
[  448.401405][ T4586]  ? sysfs_warn_dup+0xa0/0xa0
[  448.406122][ T4586]  ? do_raw_spin_unlock+0x11d/0x230
[  448.411363][ T4586]  kobject_add_internal+0x5ba/0xcd0
[  448.416646][ T4586]  kobject_init_and_add+0x128/0x190
[  448.421887][ T4586]  ? lockdep_softirqs_off+0x430/0x430
[  448.427304][ T4586]  ? kobject_add+0x230/0x230
[  448.431940][ T4586]  ? __init_swait_queue_head+0xa4/0x140
[  448.437644][ T4586]  gfs2_sys_fs_add+0x24f/0x4b0
[  448.442476][ T4586]  ? gfs2_recover_set+0x240/0x240
[  448.447539][ T4586]  ? snprintf+0xe5/0x140
[  448.451817][ T4586]  ? __free_pages+0x95/0x1a0
[  448.456443][ T4586]  ? vscnprintf+0x80/0x80
[  448.460819][ T4586]  gfs2_fill_super+0x11ed/0x1ea0
[  448.465891][ T4586]  ? gfs2_reconfigure+0xd80/0xd80
[  448.470974][ T4586]  ? sb_set_blocksize+0xa5/0xe0
[  448.475864][ T4586]  get_tree_bdev+0x3e6/0x610
[  448.480497][ T4586]  ? gfs2_reconfigure+0xd80/0xd80
[  448.485647][ T4586]  gfs2_get_tree+0x4d/0x1e0
[  448.490191][ T4586]  vfs_get_tree+0x88/0x270
[  448.494647][ T4586]  do_new_mount+0x247/0xa40
[  448.499194][ T4586]  __se_sys_mount+0x2e3/0x3d0
[  448.503916][ T4586]  ? __x64_sys_mount+0xc0/0xc0
[  448.508722][ T4586]  ? lockdep_hardirqs_on+0x94/0x140
[  448.513962][ T4586]  ? __x64_sys_mount+0x1c/0xc0
[  448.518773][ T4586]  do_syscall_64+0x4c/0xa0
[  448.523225][ T4586]  ? clear_bhb_loop+0x30/0x80
[  448.527961][ T4586]  ? clear_bhb_loop+0x30/0x80
[  448.532675][ T4586]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  448.538606][ T4586] RIP: 0033:0x7f07473403ca
[  448.543050][ T4586] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  448.562690][ T4586] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  448.571184][ T4586] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  448.579194][ T4586] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  448.587199][ T4586] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  448.595222][ T4586] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  448.603224][ T4586] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  448.611334][ T4586]  </TASK>
[  448.619555][ T4586] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  448.632820][ T4586] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/18 19:13:02 executed programs: 188
[  449.001153][ T4587] loop1: detected capacity change from 0 to 32768
[  449.063885][ T4587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  449.071452][ T4587] CPU: 1 PID: 4587 Comm: syz.1.203 Not tainted syzkaller #0
[  449.078784][ T4587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  449.089040][ T4587] Call Trace:
[  449.092361][ T4587]  <TASK>
[  449.095331][ T4587]  dump_stack_lvl+0x188/0x250
[  449.100075][ T4587]  ? show_regs_print_info+0x20/0x20
[  449.105331][ T4587]  ? load_image+0x410/0x410
[  449.109895][ T4587]  sysfs_create_dir_ns+0x26a/0x290
[  449.115066][ T4587]  ? sysfs_warn_dup+0xa0/0xa0
[  449.119889][ T4587]  ? do_raw_spin_unlock+0x11d/0x230
[  449.125151][ T4587]  kobject_add_internal+0x5ba/0xcd0
[  449.130409][ T4587]  kobject_init_and_add+0x128/0x190
[  449.135657][ T4587]  ? lockdep_softirqs_off+0x430/0x430
[  449.141080][ T4587]  ? kobject_add+0x230/0x230
[  449.145745][ T4587]  ? __init_swait_queue_head+0xa4/0x140
[  449.151358][ T4587]  gfs2_sys_fs_add+0x24f/0x4b0
[  449.156170][ T4587]  ? gfs2_recover_set+0x240/0x240
[  449.161290][ T4587]  ? snprintf+0xe5/0x140
[  449.165589][ T4587]  ? __free_pages+0x95/0x1a0
[  449.170910][ T4587]  ? vscnprintf+0x80/0x80
[  449.175299][ T4587]  gfs2_fill_super+0x11ed/0x1ea0
[  449.180638][ T4587]  ? gfs2_reconfigure+0xd80/0xd80
[  449.185762][ T4587]  ? sb_set_blocksize+0xa5/0xe0
[  449.190658][ T4587]  get_tree_bdev+0x3e6/0x610
[  449.195305][ T4587]  ? gfs2_reconfigure+0xd80/0xd80
[  449.200812][ T4587]  gfs2_get_tree+0x4d/0x1e0
[  449.205541][ T4587]  vfs_get_tree+0x88/0x270
[  449.210029][ T4587]  do_new_mount+0x247/0xa40
[  449.214595][ T4587]  __se_sys_mount+0x2e3/0x3d0
[  449.219319][ T4587]  ? __x64_sys_mount+0xc0/0xc0
[  449.224149][ T4587]  ? lockdep_hardirqs_on+0x94/0x140
[  449.229517][ T4587]  ? __x64_sys_mount+0x1c/0xc0
[  449.234321][ T4587]  do_syscall_64+0x4c/0xa0
[  449.238803][ T4587]  ? clear_bhb_loop+0x30/0x80
[  449.243656][ T4587]  ? clear_bhb_loop+0x30/0x80
[  449.248379][ T4587]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  449.254323][ T4587] RIP: 0033:0x7f07473403ca
[  449.258785][ T4587] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  449.278432][ T4587] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  449.286890][ T4587] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  449.294926][ T4587] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  449.302939][ T4587] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  449.310947][ T4587] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  449.318946][ T4587] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  449.327000][ T4587]  </TASK>
[  449.335270][ T4587] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  449.348551][ T4587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  449.679163][ T4588] loop1: detected capacity change from 0 to 32768
[  449.748379][ T4588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  449.756553][ T4588] CPU: 1 PID: 4588 Comm: syz.1.204 Not tainted syzkaller #0
[  449.763896][ T4588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  449.773985][ T4588] Call Trace:
[  449.777292][ T4588]  <TASK>
[  449.780258][ T4588]  dump_stack_lvl+0x188/0x250
[  449.784971][ T4588]  ? show_regs_print_info+0x20/0x20
[  449.790236][ T4588]  ? load_image+0x410/0x410
[  449.794788][ T4588]  sysfs_create_dir_ns+0x26a/0x290
[  449.799934][ T4588]  ? sysfs_warn_dup+0xa0/0xa0
[  449.804655][ T4588]  ? do_raw_spin_unlock+0x11d/0x230
[  449.809928][ T4588]  kobject_add_internal+0x5ba/0xcd0
[  449.815167][ T4588]  kobject_init_and_add+0x128/0x190
[  449.820401][ T4588]  ? lockdep_softirqs_off+0x430/0x430
[  449.825820][ T4588]  ? kobject_add+0x230/0x230
[  449.830457][ T4588]  ? __init_swait_queue_head+0xa4/0x140
[  449.836050][ T4588]  gfs2_sys_fs_add+0x24f/0x4b0
[  449.840858][ T4588]  ? gfs2_recover_set+0x240/0x240
[  449.845915][ T4588]  ? snprintf+0xe5/0x140
[  449.850200][ T4588]  ? __free_pages+0x95/0x1a0
[  449.854836][ T4588]  ? vscnprintf+0x80/0x80
[  449.859219][ T4588]  gfs2_fill_super+0x11ed/0x1ea0
[  449.864206][ T4588]  ? gfs2_reconfigure+0xd80/0xd80
[  449.869281][ T4588]  ? sb_set_blocksize+0xa5/0xe0
[  449.874170][ T4588]  get_tree_bdev+0x3e6/0x610
[  449.878799][ T4588]  ? gfs2_reconfigure+0xd80/0xd80
[  449.883858][ T4588]  gfs2_get_tree+0x4d/0x1e0
[  449.888401][ T4588]  vfs_get_tree+0x88/0x270
[  449.892855][ T4588]  do_new_mount+0x247/0xa40
[  449.897406][ T4588]  __se_sys_mount+0x2e3/0x3d0
[  449.902127][ T4588]  ? __x64_sys_mount+0xc0/0xc0
[  449.906971][ T4588]  ? lockdep_hardirqs_on+0x94/0x140
[  449.912208][ T4588]  ? __x64_sys_mount+0x1c/0xc0
[  449.917024][ T4588]  do_syscall_64+0x4c/0xa0
[  449.921563][ T4588]  ? clear_bhb_loop+0x30/0x80
[  449.926282][ T4588]  ? clear_bhb_loop+0x30/0x80
[  449.930999][ T4588]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  449.936951][ T4588] RIP: 0033:0x7f07473403ca
[  449.941526][ T4588] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  449.961167][ T4588] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  449.969614][ T4588] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  449.977622][ T4588] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  449.985668][ T4588] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  449.993678][ T4588] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  450.001697][ T4588] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  450.009726][ T4588]  </TASK>
[  450.017965][ T4588] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  450.031910][ T4588] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  450.384704][ T4589] loop1: detected capacity change from 0 to 32768
[  450.403592][ T4589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  450.411566][ T4589] CPU: 0 PID: 4589 Comm: syz.1.205 Not tainted syzkaller #0
[  450.419198][ T4589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  450.429320][ T4589] Call Trace:
[  450.432663][ T4589]  <TASK>
[  450.435669][ T4589]  dump_stack_lvl+0x188/0x250
[  450.440475][ T4589]  ? show_regs_print_info+0x20/0x20
[  450.445718][ T4589]  ? load_image+0x410/0x410
[  450.450273][ T4589]  sysfs_create_dir_ns+0x26a/0x290
[  450.455443][ T4589]  ? sysfs_warn_dup+0xa0/0xa0
[  450.460188][ T4589]  ? do_raw_spin_unlock+0x11d/0x230
[  450.465426][ T4589]  kobject_add_internal+0x5ba/0xcd0
[  450.470667][ T4589]  kobject_init_and_add+0x128/0x190
[  450.475904][ T4589]  ? lockdep_softirqs_off+0x430/0x430
[  450.481323][ T4589]  ? kobject_add+0x230/0x230
[  450.485957][ T4589]  ? __init_swait_queue_head+0xa4/0x140
[  450.491712][ T4589]  gfs2_sys_fs_add+0x24f/0x4b0
[  450.496615][ T4589]  ? gfs2_recover_set+0x240/0x240
[  450.501673][ T4589]  ? snprintf+0xe5/0x140
[  450.505947][ T4589]  ? __free_pages+0x95/0x1a0
[  450.510679][ T4589]  ? vscnprintf+0x80/0x80
[  450.515054][ T4589]  gfs2_fill_super+0x11ed/0x1ea0
[  450.520036][ T4589]  ? gfs2_reconfigure+0xd80/0xd80
[  450.525109][ T4589]  ? sb_set_blocksize+0xa5/0xe0
[  450.530085][ T4589]  get_tree_bdev+0x3e6/0x610
[  450.534713][ T4589]  ? gfs2_reconfigure+0xd80/0xd80
[  450.539773][ T4589]  gfs2_get_tree+0x4d/0x1e0
[  450.544309][ T4589]  vfs_get_tree+0x88/0x270
[  450.548782][ T4589]  do_new_mount+0x247/0xa40
[  450.553327][ T4589]  __se_sys_mount+0x2e3/0x3d0
[  450.559264][ T4589]  ? __x64_sys_mount+0xc0/0xc0
[  450.564631][ T4589]  ? lockdep_hardirqs_on+0x94/0x140
[  450.569865][ T4589]  ? __x64_sys_mount+0x1c/0xc0
[  450.574673][ T4589]  do_syscall_64+0x4c/0xa0
[  450.579213][ T4589]  ? clear_bhb_loop+0x30/0x80
[  450.583919][ T4589]  ? clear_bhb_loop+0x30/0x80
[  450.588629][ T4589]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  450.594555][ T4589] RIP: 0033:0x7f07473403ca
[  450.599008][ T4589] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  450.618733][ T4589] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  450.627280][ T4589] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  450.635495][ T4589] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  450.643516][ T4589] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  450.651524][ T4589] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  450.659863][ T4589] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  450.667884][ T4589]  </TASK>
[  450.676516][ T4589] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  450.692353][ T4589] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  450.954649][ T4590] loop1: detected capacity change from 0 to 32768
[  451.019091][ T4590] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  451.027779][ T4590] CPU: 1 PID: 4590 Comm: syz.1.206 Not tainted syzkaller #0
[  451.035124][ T4590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  451.045410][ T4590] Call Trace:
[  451.048729][ T4590]  <TASK>
[  451.051728][ T4590]  dump_stack_lvl+0x188/0x250
[  451.056450][ T4590]  ? show_regs_print_info+0x20/0x20
[  451.061689][ T4590]  ? load_image+0x410/0x410
[  451.066243][ T4590]  sysfs_create_dir_ns+0x26a/0x290
[  451.071397][ T4590]  ? sysfs_warn_dup+0xa0/0xa0
[  451.076113][ T4590]  ? do_raw_spin_unlock+0x11d/0x230
[  451.081352][ T4590]  kobject_add_internal+0x5ba/0xcd0
[  451.086644][ T4590]  kobject_init_and_add+0x128/0x190
[  451.091880][ T4590]  ? lockdep_softirqs_off+0x430/0x430
[  451.097300][ T4590]  ? kobject_add+0x230/0x230
[  451.101937][ T4590]  ? __init_swait_queue_head+0xa4/0x140
[  451.107531][ T4590]  gfs2_sys_fs_add+0x24f/0x4b0
[  451.112336][ T4590]  ? gfs2_recover_set+0x240/0x240
[  451.117392][ T4590]  ? snprintf+0xe5/0x140
[  451.121676][ T4590]  ? __free_pages+0x95/0x1a0
[  451.126307][ T4590]  ? vscnprintf+0x80/0x80
[  451.130774][ T4590]  gfs2_fill_super+0x11ed/0x1ea0
[  451.135756][ T4590]  ? gfs2_reconfigure+0xd80/0xd80
[  451.140841][ T4590]  ? sb_set_blocksize+0xa5/0xe0
[  451.145726][ T4590]  get_tree_bdev+0x3e6/0x610
[  451.150373][ T4590]  ? gfs2_reconfigure+0xd80/0xd80
[  451.155428][ T4590]  gfs2_get_tree+0x4d/0x1e0
[  451.159968][ T4590]  vfs_get_tree+0x88/0x270
[  451.164776][ T4590]  do_new_mount+0x247/0xa40
[  451.169336][ T4590]  __se_sys_mount+0x2e3/0x3d0
[  451.174060][ T4590]  ? __x64_sys_mount+0xc0/0xc0
[  451.178864][ T4590]  ? lockdep_hardirqs_on+0x94/0x140
[  451.184093][ T4590]  ? __x64_sys_mount+0x1c/0xc0
[  451.188901][ T4590]  do_syscall_64+0x4c/0xa0
[  451.193359][ T4590]  ? clear_bhb_loop+0x30/0x80
[  451.198091][ T4590]  ? clear_bhb_loop+0x30/0x80
[  451.202816][ T4590]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  451.208746][ T4590] RIP: 0033:0x7f07473403ca
[  451.213203][ T4590] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  451.233273][ T4590] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  451.241730][ T4590] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  451.249730][ T4590] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  451.257755][ T4590] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  451.265759][ T4590] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  451.273765][ T4590] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  451.281785][ T4590]  </TASK>
[  451.298464][ T4590] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  451.311776][ T4590] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  451.680350][ T4591] loop1: detected capacity change from 0 to 32768
[  451.740372][ T4591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  451.749024][ T4591] CPU: 1 PID: 4591 Comm: syz.1.207 Not tainted syzkaller #0
[  451.756365][ T4591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  451.766456][ T4591] Call Trace:
[  451.769911][ T4591]  <TASK>
[  451.772878][ T4591]  dump_stack_lvl+0x188/0x250
[  451.777598][ T4591]  ? show_regs_print_info+0x20/0x20
[  451.782836][ T4591]  ? load_image+0x410/0x410
[  451.787391][ T4591]  sysfs_create_dir_ns+0x26a/0x290
[  451.792549][ T4591]  ? sysfs_warn_dup+0xa0/0xa0
[  451.797265][ T4591]  ? do_raw_spin_unlock+0x11d/0x230
[  451.802508][ T4591]  kobject_add_internal+0x5ba/0xcd0
[  451.807758][ T4591]  kobject_init_and_add+0x128/0x190
[  451.813006][ T4591]  ? lockdep_softirqs_off+0x430/0x430
[  451.818521][ T4591]  ? kobject_add+0x230/0x230
[  451.823167][ T4591]  ? __init_swait_queue_head+0xa4/0x140
[  451.828756][ T4591]  gfs2_sys_fs_add+0x24f/0x4b0
[  451.833574][ T4591]  ? gfs2_recover_set+0x240/0x240
[  451.838636][ T4591]  ? snprintf+0xe5/0x140
[  451.842920][ T4591]  ? __free_pages+0x95/0x1a0
[  451.847554][ T4591]  ? vscnprintf+0x80/0x80
[  451.851935][ T4591]  gfs2_fill_super+0x11ed/0x1ea0
[  451.856917][ T4591]  ? gfs2_reconfigure+0xd80/0xd80
[  451.861994][ T4591]  ? sb_set_blocksize+0xa5/0xe0
[  451.866885][ T4591]  get_tree_bdev+0x3e6/0x610
[  451.871511][ T4591]  ? gfs2_reconfigure+0xd80/0xd80
[  451.876577][ T4591]  gfs2_get_tree+0x4d/0x1e0
[  451.881121][ T4591]  vfs_get_tree+0x88/0x270
[  451.885838][ T4591]  do_new_mount+0x247/0xa40
[  451.890393][ T4591]  __se_sys_mount+0x2e3/0x3d0
[  451.895116][ T4591]  ? __x64_sys_mount+0xc0/0xc0
[  451.899941][ T4591]  ? lockdep_hardirqs_on+0x94/0x140
[  451.905171][ T4591]  ? __x64_sys_mount+0x1c/0xc0
[  451.909968][ T4591]  do_syscall_64+0x4c/0xa0
[  451.914419][ T4591]  ? clear_bhb_loop+0x30/0x80
[  451.919131][ T4591]  ? clear_bhb_loop+0x30/0x80
[  451.923846][ T4591]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  451.929769][ T4591] RIP: 0033:0x7f07473403ca
[  451.934217][ T4591] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  451.953856][ T4591] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  451.962315][ T4591] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  451.970327][ T4591] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  451.978345][ T4591] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  451.986357][ T4591] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  451.994365][ T4591] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  452.002391][ T4591]  </TASK>
[  452.008874][ T4591] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  452.023076][ T4591] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  452.414123][ T4592] loop1: detected capacity change from 0 to 32768
[  452.425523][ T4592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  452.433675][ T4592] CPU: 0 PID: 4592 Comm: syz.1.208 Not tainted syzkaller #0
[  452.441017][ T4592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  452.451118][ T4592] Call Trace:
[  452.454448][ T4592]  <TASK>
[  452.457416][ T4592]  dump_stack_lvl+0x188/0x250
[  452.462137][ T4592]  ? show_regs_print_info+0x20/0x20
[  452.467395][ T4592]  ? load_image+0x410/0x410
[  452.471947][ T4592]  sysfs_create_dir_ns+0x26a/0x290
[  452.477096][ T4592]  ? sysfs_warn_dup+0xa0/0xa0
[  452.481845][ T4592]  ? do_raw_spin_unlock+0x11d/0x230
[  452.487085][ T4592]  kobject_add_internal+0x5ba/0xcd0
[  452.492321][ T4592]  kobject_init_and_add+0x128/0x190
[  452.497565][ T4592]  ? lockdep_softirqs_off+0x430/0x430
[  452.502980][ T4592]  ? kobject_add+0x230/0x230
[  452.507623][ T4592]  ? __init_swait_queue_head+0xa4/0x140
[  452.513242][ T4592]  gfs2_sys_fs_add+0x24f/0x4b0
[  452.518057][ T4592]  ? gfs2_recover_set+0x240/0x240
[  452.523211][ T4592]  ? snprintf+0xe5/0x140
[  452.527486][ T4592]  ? __free_pages+0x95/0x1a0
[  452.532114][ T4592]  ? vscnprintf+0x80/0x80
[  452.536489][ T4592]  gfs2_fill_super+0x11ed/0x1ea0
[  452.541481][ T4592]  ? gfs2_reconfigure+0xd80/0xd80
[  452.546556][ T4592]  ? sb_set_blocksize+0xa5/0xe0
[  452.551478][ T4592]  get_tree_bdev+0x3e6/0x610
[  452.556108][ T4592]  ? gfs2_reconfigure+0xd80/0xd80
[  452.561174][ T4592]  gfs2_get_tree+0x4d/0x1e0
[  452.565728][ T4592]  vfs_get_tree+0x88/0x270
[  452.570185][ T4592]  do_new_mount+0x247/0xa40
[  452.574736][ T4592]  __se_sys_mount+0x2e3/0x3d0
[  452.579450][ T4592]  ? __x64_sys_mount+0xc0/0xc0
[  452.584251][ T4592]  ? lockdep_hardirqs_on+0x94/0x140
[  452.589483][ T4592]  ? __x64_sys_mount+0x1c/0xc0
[  452.594279][ T4592]  do_syscall_64+0x4c/0xa0
[  452.598733][ T4592]  ? clear_bhb_loop+0x30/0x80
[  452.603448][ T4592]  ? clear_bhb_loop+0x30/0x80
[  452.608173][ T4592]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  452.614100][ T4592] RIP: 0033:0x7f07473403ca
[  452.618596][ T4592] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  452.638339][ T4592] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  452.646792][ T4592] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  452.654906][ T4592] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  452.662911][ T4592] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  452.670928][ T4592] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  452.678933][ T4592] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  452.686938][ T4592]  </TASK>
[  452.691718][ T4592] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  452.704917][ T4592] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  453.073800][ T4593] loop1: detected capacity change from 0 to 32768
[  453.085610][ T4593] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  453.093699][ T4593] CPU: 1 PID: 4593 Comm: syz.1.209 Not tainted syzkaller #0
[  453.101033][ T4593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  453.111130][ T4593] Call Trace:
[  453.114446][ T4593]  <TASK>
[  453.117410][ T4593]  dump_stack_lvl+0x188/0x250
[  453.122292][ T4593]  ? show_regs_print_info+0x20/0x20
[  453.127526][ T4593]  ? load_image+0x410/0x410
[  453.132218][ T4593]  sysfs_create_dir_ns+0x26a/0x290
[  453.137368][ T4593]  ? sysfs_warn_dup+0xa0/0xa0
[  453.142088][ T4593]  ? do_raw_spin_unlock+0x11d/0x230
[  453.147334][ T4593]  kobject_add_internal+0x5ba/0xcd0
[  453.152581][ T4593]  kobject_init_and_add+0x128/0x190
[  453.157969][ T4593]  ? lockdep_softirqs_off+0x430/0x430
[  453.163391][ T4593]  ? kobject_add+0x230/0x230
[  453.168032][ T4593]  ? __init_swait_queue_head+0xa4/0x140
[  453.173799][ T4593]  gfs2_sys_fs_add+0x24f/0x4b0
[  453.178605][ T4593]  ? gfs2_recover_set+0x240/0x240
[  453.183667][ T4593]  ? snprintf+0xe5/0x140
[  453.187998][ T4593]  ? __free_pages+0x95/0x1a0
[  453.192623][ T4593]  ? vscnprintf+0x80/0x80
[  453.197003][ T4593]  gfs2_fill_super+0x11ed/0x1ea0
[  453.202014][ T4593]  ? gfs2_reconfigure+0xd80/0xd80
[  453.207090][ T4593]  ? sb_set_blocksize+0xa5/0xe0
[  453.211978][ T4593]  get_tree_bdev+0x3e6/0x610
[  453.216610][ T4593]  ? gfs2_reconfigure+0xd80/0xd80
[  453.221666][ T4593]  gfs2_get_tree+0x4d/0x1e0
[  453.226173][ T4593]  vfs_get_tree+0x88/0x270
[  453.230727][ T4593]  do_new_mount+0x247/0xa40
[  453.235239][ T4593]  __se_sys_mount+0x2e3/0x3d0
[  453.239929][ T4593]  ? __x64_sys_mount+0xc0/0xc0
[  453.244697][ T4593]  ? lockdep_hardirqs_on+0x94/0x140
[  453.249909][ T4593]  ? __x64_sys_mount+0x1c/0xc0
[  453.254711][ T4593]  do_syscall_64+0x4c/0xa0
[  453.259144][ T4593]  ? clear_bhb_loop+0x30/0x80
[  453.263882][ T4593]  ? clear_bhb_loop+0x30/0x80
[  453.268573][ T4593]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  453.274630][ T4593] RIP: 0033:0x7f07473403ca
[  453.279057][ T4593] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  453.298695][ T4593] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  453.307126][ T4593] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  453.315131][ T4593] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  453.323130][ T4593] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  453.331217][ T4593] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  453.339223][ T4593] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  453.347245][ T4593]  </TASK>
[  453.351787][ T4593] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  453.365076][ T4593] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  453.747910][ T4594] loop1: detected capacity change from 0 to 32768
[  453.832653][ T4594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  453.842457][ T4594] CPU: 1 PID: 4594 Comm: syz.1.210 Not tainted syzkaller #0
[  453.849790][ T4594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  453.859888][ T4594] Call Trace:
[  453.863227][ T4594]  <TASK>
[  453.866197][ T4594]  dump_stack_lvl+0x188/0x250
[  453.870919][ T4594]  ? show_regs_print_info+0x20/0x20
[  453.876152][ T4594]  ? load_image+0x410/0x410
[  453.880705][ T4594]  sysfs_create_dir_ns+0x26a/0x290
[  453.885854][ T4594]  ? sysfs_warn_dup+0xa0/0xa0
[  453.890714][ T4594]  ? do_raw_spin_unlock+0x11d/0x230
[  453.895962][ T4594]  kobject_add_internal+0x5ba/0xcd0
[  453.901207][ T4594]  kobject_init_and_add+0x128/0x190
[  453.906452][ T4594]  ? lockdep_softirqs_off+0x430/0x430
[  453.911864][ T4594]  ? kobject_add+0x230/0x230
[  453.916533][ T4594]  ? __init_swait_queue_head+0xa4/0x140
[  453.922125][ T4594]  gfs2_sys_fs_add+0x24f/0x4b0
[  453.926929][ T4594]  ? gfs2_recover_set+0x240/0x240
[  453.932019][ T4594]  ? snprintf+0xe5/0x140
[  453.936298][ T4594]  ? __free_pages+0x95/0x1a0
[  453.940925][ T4594]  ? vscnprintf+0x80/0x80
[  453.945301][ T4594]  gfs2_fill_super+0x11ed/0x1ea0
[  453.950317][ T4594]  ? gfs2_reconfigure+0xd80/0xd80
[  453.955392][ T4594]  ? sb_set_blocksize+0xa5/0xe0
[  453.960283][ T4594]  get_tree_bdev+0x3e6/0x610
[  453.964934][ T4594]  ? gfs2_reconfigure+0xd80/0xd80
[  453.970023][ T4594]  gfs2_get_tree+0x4d/0x1e0
[  453.974563][ T4594]  vfs_get_tree+0x88/0x270
[  453.979015][ T4594]  do_new_mount+0x247/0xa40
[  453.983825][ T4594]  __se_sys_mount+0x2e3/0x3d0
[  453.988552][ T4594]  ? __x64_sys_mount+0xc0/0xc0
[  453.993359][ T4594]  ? lockdep_hardirqs_on+0x94/0x140
[  453.998595][ T4594]  ? __x64_sys_mount+0x1c/0xc0
[  454.003403][ T4594]  do_syscall_64+0x4c/0xa0
[  454.007867][ T4594]  ? clear_bhb_loop+0x30/0x80
[  454.012548][ T4594]  ? clear_bhb_loop+0x30/0x80
[  454.017232][ T4594]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  454.023137][ T4594] RIP: 0033:0x7f07473403ca
[  454.027568][ T4594] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  454.047269][ T4594] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  454.055687][ T4594] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  454.063664][ T4594] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  454.071638][ T4594] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  454.079626][ T4594] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  454.087598][ T4594] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  454.095610][ T4594]  </TASK>
[  454.100204][ T4594] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  454.113605][ T4594] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/18 19:13:07 executed programs: 196
[  454.484413][ T4595] loop1: detected capacity change from 0 to 32768
[  454.542352][ T4595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  454.549812][ T4595] CPU: 1 PID: 4595 Comm: syz.1.211 Not tainted syzkaller #0
[  454.557136][ T4595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  454.567245][ T4595] Call Trace:
[  454.570563][ T4595]  <TASK>
[  454.573521][ T4595]  dump_stack_lvl+0x188/0x250
[  454.578243][ T4595]  ? show_regs_print_info+0x20/0x20
[  454.583742][ T4595]  ? load_image+0x410/0x410
[  454.588297][ T4595]  sysfs_create_dir_ns+0x26a/0x290
[  454.593449][ T4595]  ? sysfs_warn_dup+0xa0/0xa0
[  454.598165][ T4595]  ? do_raw_spin_unlock+0x11d/0x230
[  454.603402][ T4595]  kobject_add_internal+0x5ba/0xcd0
[  454.608647][ T4595]  kobject_init_and_add+0x128/0x190
[  454.613888][ T4595]  ? lockdep_softirqs_off+0x430/0x430
[  454.619304][ T4595]  ? kobject_add+0x230/0x230
[  454.623937][ T4595]  ? __init_swait_queue_head+0xa4/0x140
[  454.629529][ T4595]  gfs2_sys_fs_add+0x24f/0x4b0
[  454.634328][ T4595]  ? gfs2_recover_set+0x240/0x240
[  454.639386][ T4595]  ? snprintf+0xe5/0x140
[  454.643663][ T4595]  ? __free_pages+0x95/0x1a0
[  454.648292][ T4595]  ? vscnprintf+0x80/0x80
[  454.652666][ T4595]  gfs2_fill_super+0x11ed/0x1ea0
[  454.657650][ T4595]  ? gfs2_reconfigure+0xd80/0xd80
[  454.662760][ T4595]  ? sb_set_blocksize+0xa5/0xe0
[  454.667651][ T4595]  get_tree_bdev+0x3e6/0x610
[  454.672280][ T4595]  ? gfs2_reconfigure+0xd80/0xd80
[  454.677347][ T4595]  gfs2_get_tree+0x4d/0x1e0
[  454.681889][ T4595]  vfs_get_tree+0x88/0x270
[  454.686348][ T4595]  do_new_mount+0x247/0xa40
[  454.690891][ T4595]  __se_sys_mount+0x2e3/0x3d0
[  454.695614][ T4595]  ? __x64_sys_mount+0xc0/0xc0
[  454.700469][ T4595]  ? lockdep_hardirqs_on+0x94/0x140
[  454.705706][ T4595]  ? __x64_sys_mount+0x1c/0xc0
[  454.710510][ T4595]  do_syscall_64+0x4c/0xa0
[  454.714957][ T4595]  ? clear_bhb_loop+0x30/0x80
[  454.719671][ T4595]  ? clear_bhb_loop+0x30/0x80
[  454.724396][ T4595]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  454.730348][ T4595] RIP: 0033:0x7f07473403ca
[  454.734798][ T4595] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  454.754433][ T4595] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  454.762893][ T4595] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  454.770909][ T4595] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  454.778919][ T4595] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  454.786926][ T4595] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  454.794932][ T4595] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  454.802953][ T4595]  </TASK>
[  454.808155][ T4595] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  454.822263][ T4595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  455.194088][ T4596] loop1: detected capacity change from 0 to 32768
[  455.248946][ T4596] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  455.257654][ T4596] CPU: 1 PID: 4596 Comm: syz.1.212 Not tainted syzkaller #0
[  455.265046][ T4596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  455.275485][ T4596] Call Trace:
[  455.278804][ T4596]  <TASK>
[  455.281767][ T4596]  dump_stack_lvl+0x188/0x250
[  455.286487][ T4596]  ? show_regs_print_info+0x20/0x20
[  455.291731][ T4596]  ? load_image+0x410/0x410
[  455.296290][ T4596]  sysfs_create_dir_ns+0x26a/0x290
[  455.301445][ T4596]  ? sysfs_warn_dup+0xa0/0xa0
[  455.306170][ T4596]  ? do_raw_spin_unlock+0x11d/0x230
[  455.311416][ T4596]  kobject_add_internal+0x5ba/0xcd0
[  455.316660][ T4596]  kobject_init_and_add+0x128/0x190
[  455.321897][ T4596]  ? lockdep_softirqs_off+0x430/0x430
[  455.327322][ T4596]  ? kobject_add+0x230/0x230
[  455.331966][ T4596]  ? __init_swait_queue_head+0xa4/0x140
[  455.337582][ T4596]  gfs2_sys_fs_add+0x24f/0x4b0
[  455.342399][ T4596]  ? gfs2_recover_set+0x240/0x240
[  455.347637][ T4596]  ? snprintf+0xe5/0x140
[  455.351928][ T4596]  ? __free_pages+0x95/0x1a0
[  455.356565][ T4596]  ? vscnprintf+0x80/0x80
[  455.360947][ T4596]  gfs2_fill_super+0x11ed/0x1ea0
[  455.365932][ T4596]  ? gfs2_reconfigure+0xd80/0xd80
[  455.371041][ T4596]  ? sb_set_blocksize+0xa5/0xe0
[  455.375935][ T4596]  get_tree_bdev+0x3e6/0x610
[  455.380564][ T4596]  ? gfs2_reconfigure+0xd80/0xd80
[  455.385626][ T4596]  gfs2_get_tree+0x4d/0x1e0
[  455.390169][ T4596]  vfs_get_tree+0x88/0x270
[  455.394789][ T4596]  do_new_mount+0x247/0xa40
[  455.399345][ T4596]  __se_sys_mount+0x2e3/0x3d0
[  455.404068][ T4596]  ? __x64_sys_mount+0xc0/0xc0
[  455.408877][ T4596]  ? lockdep_hardirqs_on+0x94/0x140
[  455.414117][ T4596]  ? __x64_sys_mount+0x1c/0xc0
[  455.418952][ T4596]  do_syscall_64+0x4c/0xa0
[  455.423439][ T4596]  ? clear_bhb_loop+0x30/0x80
[  455.428153][ T4596]  ? clear_bhb_loop+0x30/0x80
[  455.432896][ T4596]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  455.438833][ T4596] RIP: 0033:0x7f07473403ca
[  455.443294][ T4596] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  455.463051][ T4596] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  455.471518][ T4596] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  455.479534][ T4596] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  455.487554][ T4596] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  455.495600][ T4596] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  455.503617][ T4596] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  455.511659][ T4596]  </TASK>
[  455.536206][ T4596] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  455.552298][ T4596] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  456.065631][ T4597] loop1: detected capacity change from 0 to 32768
[  456.075737][ T4597] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  456.085383][ T4597] CPU: 1 PID: 4597 Comm: syz.1.213 Not tainted syzkaller #0
[  456.092716][ T4597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  456.102802][ T4597] Call Trace:
[  456.106108][ T4597]  <TASK>
[  456.109071][ T4597]  dump_stack_lvl+0x188/0x250
[  456.113796][ T4597]  ? show_regs_print_info+0x20/0x20
[  456.119207][ T4597]  ? load_image+0x410/0x410
[  456.123849][ T4597]  sysfs_create_dir_ns+0x26a/0x290
[  456.128997][ T4597]  ? sysfs_warn_dup+0xa0/0xa0
[  456.133709][ T4597]  ? do_raw_spin_unlock+0x11d/0x230
[  456.138952][ T4597]  kobject_add_internal+0x5ba/0xcd0
[  456.144223][ T4597]  kobject_init_and_add+0x128/0x190
[  456.149460][ T4597]  ? lockdep_softirqs_off+0x430/0x430
[  456.154885][ T4597]  ? kobject_add+0x230/0x230
[  456.159540][ T4597]  ? __init_swait_queue_head+0xa4/0x140
[  456.165142][ T4597]  gfs2_sys_fs_add+0x24f/0x4b0
[  456.169959][ T4597]  ? gfs2_recover_set+0x240/0x240
[  456.175028][ T4597]  ? snprintf+0xe5/0x140
[  456.179330][ T4597]  ? __free_pages+0x95/0x1a0
[  456.183972][ T4597]  ? vscnprintf+0x80/0x80
[  456.188368][ T4597]  gfs2_fill_super+0x11ed/0x1ea0
[  456.193378][ T4597]  ? gfs2_reconfigure+0xd80/0xd80
[  456.198474][ T4597]  ? sb_set_blocksize+0xa5/0xe0
[  456.203458][ T4597]  get_tree_bdev+0x3e6/0x610
[  456.208101][ T4597]  ? gfs2_reconfigure+0xd80/0xd80
[  456.213178][ T4597]  gfs2_get_tree+0x4d/0x1e0
[  456.217848][ T4597]  vfs_get_tree+0x88/0x270
[  456.222314][ T4597]  do_new_mount+0x247/0xa40
[  456.226877][ T4597]  __se_sys_mount+0x2e3/0x3d0
[  456.231591][ T4597]  ? __x64_sys_mount+0xc0/0xc0
[  456.236363][ T4597]  ? lockdep_hardirqs_on+0x94/0x140
[  456.241569][ T4597]  ? __x64_sys_mount+0x1c/0xc0
[  456.246362][ T4597]  do_syscall_64+0x4c/0xa0
[  456.250843][ T4597]  ? clear_bhb_loop+0x30/0x80
[  456.255541][ T4597]  ? clear_bhb_loop+0x30/0x80
[  456.260235][ T4597]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  456.266144][ T4597] RIP: 0033:0x7f07473403ca
[  456.270585][ T4597] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  456.290259][ T4597] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  456.298688][ T4597] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  456.306677][ T4597] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  456.314674][ T4597] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  456.322654][ T4597] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  456.330634][ T4597] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  456.338624][ T4597]  </TASK>
[  456.343462][ T4597] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  456.357166][ T4597] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  456.733228][ T4598] loop1: detected capacity change from 0 to 32768
[  456.814546][ T4598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  456.822967][ T4598] CPU: 1 PID: 4598 Comm: syz.1.214 Not tainted syzkaller #0
[  456.830314][ T4598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  456.840451][ T4598] Call Trace:
[  456.843766][ T4598]  <TASK>
[  456.846733][ T4598]  dump_stack_lvl+0x188/0x250
[  456.851450][ T4598]  ? show_regs_print_info+0x20/0x20
[  456.856717][ T4598]  ? load_image+0x410/0x410
[  456.861278][ T4598]  sysfs_create_dir_ns+0x26a/0x290
[  456.866439][ T4598]  ? sysfs_warn_dup+0xa0/0xa0
[  456.871159][ T4598]  ? do_raw_spin_unlock+0x11d/0x230
[  456.876432][ T4598]  kobject_add_internal+0x5ba/0xcd0
[  456.881673][ T4598]  kobject_init_and_add+0x128/0x190
[  456.886912][ T4598]  ? lockdep_softirqs_off+0x430/0x430
[  456.892327][ T4598]  ? kobject_add+0x230/0x230
[  456.896966][ T4598]  ? __init_swait_queue_head+0xa4/0x140
[  456.902558][ T4598]  gfs2_sys_fs_add+0x24f/0x4b0
[  456.907395][ T4598]  ? gfs2_recover_set+0x240/0x240
[  456.912457][ T4598]  ? snprintf+0xe5/0x140
[  456.916741][ T4598]  ? __free_pages+0x95/0x1a0
[  456.921401][ T4598]  ? vscnprintf+0x80/0x80
[  456.925781][ T4598]  gfs2_fill_super+0x11ed/0x1ea0
[  456.930784][ T4598]  ? gfs2_reconfigure+0xd80/0xd80
[  456.935862][ T4598]  ? sb_set_blocksize+0xa5/0xe0
[  456.940751][ T4598]  get_tree_bdev+0x3e6/0x610
[  456.945414][ T4598]  ? gfs2_reconfigure+0xd80/0xd80
[  456.950477][ T4598]  gfs2_get_tree+0x4d/0x1e0
[  456.955019][ T4598]  vfs_get_tree+0x88/0x270
[  456.959469][ T4598]  do_new_mount+0x247/0xa40
[  456.964018][ T4598]  __se_sys_mount+0x2e3/0x3d0
[  456.968736][ T4598]  ? __x64_sys_mount+0xc0/0xc0
[  456.973537][ T4598]  ? lockdep_hardirqs_on+0x94/0x140
[  456.978765][ T4598]  ? __x64_sys_mount+0x1c/0xc0
[  456.983542][ T4598]  do_syscall_64+0x4c/0xa0
[  456.987978][ T4598]  ? clear_bhb_loop+0x30/0x80
[  456.992661][ T4598]  ? clear_bhb_loop+0x30/0x80
[  456.997343][ T4598]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  457.003271][ T4598] RIP: 0033:0x7f07473403ca
[  457.007692][ T4598] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  457.027320][ T4598] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  457.035739][ T4598] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  457.043728][ T4598] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  457.051713][ T4598] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  457.059682][ T4598] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  457.067652][ T4598] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  457.075655][ T4598]  </TASK>
[  457.080179][ T4598] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  457.093526][ T4598] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  457.466527][ T4599] loop1: detected capacity change from 0 to 32768
[  457.484769][ T4599] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  457.492227][ T4599] CPU: 0 PID: 4599 Comm: syz.1.215 Not tainted syzkaller #0
[  457.499549][ T4599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  457.509636][ T4599] Call Trace:
[  457.513116][ T4599]  <TASK>
[  457.516073][ T4599]  dump_stack_lvl+0x188/0x250
[  457.520820][ T4599]  ? show_regs_print_info+0x20/0x20
[  457.526059][ T4599]  ? load_image+0x410/0x410
[  457.530617][ T4599]  sysfs_create_dir_ns+0x26a/0x290
[  457.535869][ T4599]  ? sysfs_warn_dup+0xa0/0xa0
[  457.540581][ T4599]  ? do_raw_spin_unlock+0x11d/0x230
[  457.545822][ T4599]  kobject_add_internal+0x5ba/0xcd0
[  457.551064][ T4599]  kobject_init_and_add+0x128/0x190
[  457.556299][ T4599]  ? lockdep_softirqs_off+0x430/0x430
[  457.561714][ T4599]  ? kobject_add+0x230/0x230
[  457.566346][ T4599]  ? __init_swait_queue_head+0xa4/0x140
[  457.571938][ T4599]  gfs2_sys_fs_add+0x24f/0x4b0
[  457.576751][ T4599]  ? gfs2_recover_set+0x240/0x240
[  457.581824][ T4599]  ? snprintf+0xe5/0x140
[  457.586100][ T4599]  ? __free_pages+0x95/0x1a0
[  457.590733][ T4599]  ? vscnprintf+0x80/0x80
[  457.595112][ T4599]  gfs2_fill_super+0x11ed/0x1ea0
[  457.600096][ T4599]  ? gfs2_reconfigure+0xd80/0xd80
[  457.605184][ T4599]  ? sb_set_blocksize+0xa5/0xe0
[  457.610071][ T4599]  get_tree_bdev+0x3e6/0x610
[  457.614717][ T4599]  ? gfs2_reconfigure+0xd80/0xd80
[  457.619785][ T4599]  gfs2_get_tree+0x4d/0x1e0
[  457.624324][ T4599]  vfs_get_tree+0x88/0x270
[  457.628774][ T4599]  do_new_mount+0x247/0xa40
[  457.633321][ T4599]  __se_sys_mount+0x2e3/0x3d0
[  457.638032][ T4599]  ? __x64_sys_mount+0xc0/0xc0
[  457.642825][ T4599]  ? lockdep_hardirqs_on+0x94/0x140
[  457.648080][ T4599]  ? __x64_sys_mount+0x1c/0xc0
[  457.652877][ T4599]  do_syscall_64+0x4c/0xa0
[  457.657325][ T4599]  ? clear_bhb_loop+0x30/0x80
[  457.662029][ T4599]  ? clear_bhb_loop+0x30/0x80
[  457.666740][ T4599]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  457.672666][ T4599] RIP: 0033:0x7f07473403ca
[  457.677123][ T4599] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  457.696759][ T4599] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  457.705217][ T4599] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  457.713224][ T4599] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  457.721227][ T4599] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  457.729236][ T4599] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  457.737235][ T4599] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  457.745252][ T4599]  </TASK>
[  457.753591][ T4599] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  457.769377][ T4599] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  458.036664][ T4600] loop1: detected capacity change from 0 to 32768
[  458.054919][ T4600] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  458.062394][ T4600] CPU: 0 PID: 4600 Comm: syz.1.216 Not tainted syzkaller #0
[  458.069709][ T4600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  458.079791][ T4600] Call Trace:
[  458.083097][ T4600]  <TASK>
[  458.086059][ T4600]  dump_stack_lvl+0x188/0x250
[  458.090774][ T4600]  ? show_regs_print_info+0x20/0x20
[  458.096007][ T4600]  ? load_image+0x410/0x410
[  458.100556][ T4600]  sysfs_create_dir_ns+0x26a/0x290
[  458.105710][ T4600]  ? sysfs_warn_dup+0xa0/0xa0
[  458.110431][ T4600]  ? do_raw_spin_unlock+0x11d/0x230
[  458.115688][ T4600]  kobject_add_internal+0x5ba/0xcd0
[  458.120926][ T4600]  kobject_init_and_add+0x128/0x190
[  458.126166][ T4600]  ? lockdep_softirqs_off+0x430/0x430
[  458.131581][ T4600]  ? kobject_add+0x230/0x230
[  458.136247][ T4600]  ? __init_swait_queue_head+0xa4/0x140
[  458.141862][ T4600]  gfs2_sys_fs_add+0x24f/0x4b0
[  458.146689][ T4600]  ? gfs2_recover_set+0x240/0x240
[  458.151754][ T4600]  ? snprintf+0xe5/0x140
[  458.156036][ T4600]  ? __free_pages+0x95/0x1a0
[  458.160670][ T4600]  ? vscnprintf+0x80/0x80
[  458.165045][ T4600]  gfs2_fill_super+0x11ed/0x1ea0
[  458.170031][ T4600]  ? gfs2_reconfigure+0xd80/0xd80
[  458.175107][ T4600]  ? sb_set_blocksize+0xa5/0xe0
[  458.179998][ T4600]  get_tree_bdev+0x3e6/0x610
[  458.184631][ T4600]  ? gfs2_reconfigure+0xd80/0xd80
[  458.189687][ T4600]  gfs2_get_tree+0x4d/0x1e0
[  458.194223][ T4600]  vfs_get_tree+0x88/0x270
[  458.198675][ T4600]  do_new_mount+0x247/0xa40
[  458.203217][ T4600]  __se_sys_mount+0x2e3/0x3d0
[  458.207931][ T4600]  ? __x64_sys_mount+0xc0/0xc0
[  458.212741][ T4600]  ? lockdep_hardirqs_on+0x94/0x140
[  458.217979][ T4600]  ? __x64_sys_mount+0x1c/0xc0
[  458.222782][ T4600]  do_syscall_64+0x4c/0xa0
[  458.227347][ T4600]  ? clear_bhb_loop+0x30/0x80
[  458.232053][ T4600]  ? clear_bhb_loop+0x30/0x80
[  458.236770][ T4600]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  458.242698][ T4600] RIP: 0033:0x7f07473403ca
[  458.247145][ T4600] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  458.266781][ T4600] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  458.275243][ T4600] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  458.283254][ T4600] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  458.291261][ T4600] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  458.299296][ T4600] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  458.307302][ T4600] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  458.315346][ T4600]  </TASK>
[  458.327917][ T4600] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  458.343947][ T4600] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  458.610161][ T4601] loop1: detected capacity change from 0 to 32768
[  458.631197][ T4601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  458.638889][ T4601] CPU: 0 PID: 4601 Comm: syz.1.217 Not tainted syzkaller #0
[  458.646212][ T4601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  458.656406][ T4601] Call Trace:
[  458.659720][ T4601]  <TASK>
[  458.662693][ T4601]  dump_stack_lvl+0x188/0x250
[  458.667415][ T4601]  ? show_regs_print_info+0x20/0x20
[  458.672657][ T4601]  ? load_image+0x410/0x410
[  458.677209][ T4601]  sysfs_create_dir_ns+0x26a/0x290
[  458.682361][ T4601]  ? sysfs_warn_dup+0xa0/0xa0
[  458.687163][ T4601]  ? do_raw_spin_unlock+0x11d/0x230
[  458.692401][ T4601]  kobject_add_internal+0x5ba/0xcd0
[  458.697651][ T4601]  kobject_init_and_add+0x128/0x190
[  458.702902][ T4601]  ? lockdep_softirqs_off+0x430/0x430
[  458.708322][ T4601]  ? kobject_add+0x230/0x230
[  458.712961][ T4601]  ? __init_swait_queue_head+0xa4/0x140
[  458.718548][ T4601]  gfs2_sys_fs_add+0x24f/0x4b0
[  458.723349][ T4601]  ? gfs2_recover_set+0x240/0x240
[  458.728404][ T4601]  ? snprintf+0xe5/0x140
[  458.732678][ T4601]  ? __free_pages+0x95/0x1a0
[  458.737333][ T4601]  ? vscnprintf+0x80/0x80
[  458.741708][ T4601]  gfs2_fill_super+0x11ed/0x1ea0
[  458.746688][ T4601]  ? gfs2_reconfigure+0xd80/0xd80
[  458.751763][ T4601]  ? sb_set_blocksize+0xa5/0xe0
[  458.756654][ T4601]  get_tree_bdev+0x3e6/0x610
[  458.761277][ T4601]  ? gfs2_reconfigure+0xd80/0xd80
[  458.766335][ T4601]  gfs2_get_tree+0x4d/0x1e0
[  458.770865][ T4601]  vfs_get_tree+0x88/0x270
[  458.775344][ T4601]  do_new_mount+0x247/0xa40
[  458.779893][ T4601]  __se_sys_mount+0x2e3/0x3d0
[  458.784607][ T4601]  ? __x64_sys_mount+0xc0/0xc0
[  458.789407][ T4601]  ? lockdep_hardirqs_on+0x94/0x140
[  458.794629][ T4601]  ? __x64_sys_mount+0x1c/0xc0
[  458.799426][ T4601]  do_syscall_64+0x4c/0xa0
[  458.803871][ T4601]  ? clear_bhb_loop+0x30/0x80
[  458.808582][ T4601]  ? clear_bhb_loop+0x30/0x80
[  458.813299][ T4601]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  458.819217][ T4601] RIP: 0033:0x7f07473403ca
[  458.823667][ T4601] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  458.843391][ T4601] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  458.851966][ T4601] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  458.859974][ T4601] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  458.867977][ T4601] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  458.875976][ T4601] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  458.883977][ T4601] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  458.891998][ T4601]  </TASK>
[  458.900723][ T4601] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  458.914469][ T4601] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  459.182395][ T4602] loop1: detected capacity change from 0 to 32768
[  459.230179][ T4602] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  459.237700][ T4602] CPU: 1 PID: 4602 Comm: syz.1.218 Not tainted syzkaller #0
[  459.245023][ T4602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  459.255113][ T4602] Call Trace:
[  459.258420][ T4602]  <TASK>
[  459.261382][ T4602]  dump_stack_lvl+0x188/0x250
[  459.266107][ T4602]  ? show_regs_print_info+0x20/0x20
[  459.271341][ T4602]  ? load_image+0x410/0x410
[  459.275895][ T4602]  sysfs_create_dir_ns+0x26a/0x290
[  459.281049][ T4602]  ? sysfs_warn_dup+0xa0/0xa0
[  459.285769][ T4602]  ? do_raw_spin_unlock+0x11d/0x230
[  459.291013][ T4602]  kobject_add_internal+0x5ba/0xcd0
[  459.296257][ T4602]  kobject_init_and_add+0x128/0x190
[  459.301495][ T4602]  ? lockdep_softirqs_off+0x430/0x430
[  459.306950][ T4602]  ? kobject_add+0x230/0x230
[  459.311619][ T4602]  ? __init_swait_queue_head+0xa4/0x140
[  459.317208][ T4602]  gfs2_sys_fs_add+0x24f/0x4b0
[  459.322009][ T4602]  ? gfs2_recover_set+0x240/0x240
[  459.327071][ T4602]  ? snprintf+0xe5/0x140
[  459.331355][ T4602]  ? __free_pages+0x95/0x1a0
[  459.335997][ T4602]  ? vscnprintf+0x80/0x80
[  459.340400][ T4602]  gfs2_fill_super+0x11ed/0x1ea0
[  459.345381][ T4602]  ? gfs2_reconfigure+0xd80/0xd80
[  459.350556][ T4602]  ? sb_set_blocksize+0xa5/0xe0
[  459.355450][ T4602]  get_tree_bdev+0x3e6/0x610
[  459.360111][ T4602]  ? gfs2_reconfigure+0xd80/0xd80
[  459.365170][ T4602]  gfs2_get_tree+0x4d/0x1e0
[  459.370549][ T4602]  vfs_get_tree+0x88/0x270
[  459.375048][ T4602]  do_new_mount+0x247/0xa40
[  459.379642][ T4602]  __se_sys_mount+0x2e3/0x3d0
[  459.384383][ T4602]  ? __x64_sys_mount+0xc0/0xc0
[  459.389200][ T4602]  ? lockdep_hardirqs_on+0x94/0x140
[  459.394446][ T4602]  ? __x64_sys_mount+0x1c/0xc0
[  459.399263][ T4602]  do_syscall_64+0x4c/0xa0
[  459.403722][ T4602]  ? clear_bhb_loop+0x30/0x80
[  459.408453][ T4602]  ? clear_bhb_loop+0x30/0x80
[  459.413179][ T4602]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  459.419119][ T4602] RIP: 0033:0x7f07473403ca
[  459.423578][ T4602] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  459.443355][ T4602] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  459.452305][ T4602] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  459.460318][ T4602] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  459.468344][ T4602] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  459.476353][ T4602] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  459.484367][ T4602] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  459.494394][ T4602]  </TASK>
[  459.503419][ T4602] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  459.516978][ T4602] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/18 19:13:13 executed programs: 204
[  459.788248][ T4603] loop1: detected capacity change from 0 to 32768
[  459.854318][ T4603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  459.861931][ T4603] CPU: 0 PID: 4603 Comm: syz.1.219 Not tainted syzkaller #0
[  459.869257][ T4603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  459.879382][ T4603] Call Trace:
[  459.882695][ T4603]  <TASK>
[  459.885679][ T4603]  dump_stack_lvl+0x188/0x250
[  459.890544][ T4603]  ? show_regs_print_info+0x20/0x20
[  459.895819][ T4603]  ? load_image+0x410/0x410
[  459.900382][ T4603]  sysfs_create_dir_ns+0x26a/0x290
[  459.906202][ T4603]  ? sysfs_warn_dup+0xa0/0xa0
[  459.911124][ T4603]  ? do_raw_spin_unlock+0x11d/0x230
[  459.916588][ T4603]  kobject_add_internal+0x5ba/0xcd0
[  459.921856][ T4603]  kobject_init_and_add+0x128/0x190
[  459.927103][ T4603]  ? lockdep_softirqs_off+0x430/0x430
[  459.932540][ T4603]  ? kobject_add+0x230/0x230
[  459.937373][ T4603]  ? __init_swait_queue_head+0xa4/0x140
[  459.942971][ T4603]  gfs2_sys_fs_add+0x24f/0x4b0
[  459.947877][ T4603]  ? gfs2_recover_set+0x240/0x240
[  459.952975][ T4603]  ? snprintf+0xe5/0x140
[  459.957364][ T4603]  ? __free_pages+0x95/0x1a0
[  459.962107][ T4603]  ? vscnprintf+0x80/0x80
[  459.966511][ T4603]  gfs2_fill_super+0x11ed/0x1ea0
[  459.971592][ T4603]  ? gfs2_reconfigure+0xd80/0xd80
[  459.976673][ T4603]  ? sb_set_blocksize+0xa5/0xe0
[  459.981563][ T4603]  get_tree_bdev+0x3e6/0x610
[  459.986591][ T4603]  ? gfs2_reconfigure+0xd80/0xd80
[  459.991772][ T4603]  gfs2_get_tree+0x4d/0x1e0
[  459.996327][ T4603]  vfs_get_tree+0x88/0x270
[  460.000787][ T4603]  do_new_mount+0x247/0xa40
[  460.005337][ T4603]  __se_sys_mount+0x2e3/0x3d0
[  460.010171][ T4603]  ? __x64_sys_mount+0xc0/0xc0
[  460.015070][ T4603]  ? lockdep_hardirqs_on+0x94/0x140
[  460.020304][ T4603]  ? __x64_sys_mount+0x1c/0xc0
[  460.025111][ T4603]  do_syscall_64+0x4c/0xa0
[  460.029577][ T4603]  ? clear_bhb_loop+0x30/0x80
[  460.034293][ T4603]  ? clear_bhb_loop+0x30/0x80
[  460.039110][ T4603]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  460.045047][ T4603] RIP: 0033:0x7f07473403ca
[  460.049538][ T4603] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  460.069223][ T4603] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  460.077678][ T4603] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  460.085686][ T4603] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  460.093699][ T4603] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  460.101709][ T4603] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  460.109712][ T4603] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  460.117774][ T4603]  </TASK>
[  460.123351][ T4603] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  460.137142][ T4603] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  460.460314][ T4604] loop1: detected capacity change from 0 to 32768
[  460.503451][ T4604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  460.520639][ T4604] CPU: 0 PID: 4604 Comm: syz.1.220 Not tainted syzkaller #0
[  460.527989][ T4604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  460.538079][ T4604] Call Trace:
[  460.541429][ T4604]  <TASK>
[  460.544436][ T4604]  dump_stack_lvl+0x188/0x250
[  460.549166][ T4604]  ? show_regs_print_info+0x20/0x20
[  460.554407][ T4604]  ? load_image+0x410/0x410
[  460.558957][ T4604]  sysfs_create_dir_ns+0x26a/0x290
[  460.564108][ T4604]  ? sysfs_warn_dup+0xa0/0xa0
[  460.568830][ T4604]  ? do_raw_spin_unlock+0x11d/0x230
[  460.574108][ T4604]  kobject_add_internal+0x5ba/0xcd0
[  460.579353][ T4604]  kobject_init_and_add+0x128/0x190
[  460.584596][ T4604]  ? lockdep_softirqs_off+0x430/0x430
[  460.590012][ T4604]  ? kobject_add+0x230/0x230
[  460.594648][ T4604]  ? __init_swait_queue_head+0xa4/0x140
[  460.600237][ T4604]  gfs2_sys_fs_add+0x24f/0x4b0
[  460.605035][ T4604]  ? gfs2_recover_set+0x240/0x240
[  460.610092][ T4604]  ? snprintf+0xe5/0x140
[  460.614374][ T4604]  ? __free_pages+0x95/0x1a0
[  460.619009][ T4604]  ? vscnprintf+0x80/0x80
[  460.623390][ T4604]  gfs2_fill_super+0x11ed/0x1ea0
[  460.628379][ T4604]  ? gfs2_reconfigure+0xd80/0xd80
[  460.633466][ T4604]  ? sb_set_blocksize+0xa5/0xe0
[  460.638357][ T4604]  get_tree_bdev+0x3e6/0x610
[  460.642986][ T4604]  ? gfs2_reconfigure+0xd80/0xd80
[  460.648044][ T4604]  gfs2_get_tree+0x4d/0x1e0
[  460.652636][ T4604]  vfs_get_tree+0x88/0x270
[  460.657102][ T4604]  do_new_mount+0x247/0xa40
[  460.661645][ T4604]  __se_sys_mount+0x2e3/0x3d0
[  460.666866][ T4604]  ? __x64_sys_mount+0xc0/0xc0
[  460.671847][ T4604]  ? lockdep_hardirqs_on+0x94/0x140
[  460.677077][ T4604]  ? __x64_sys_mount+0x1c/0xc0
[  460.681880][ T4604]  do_syscall_64+0x4c/0xa0
[  460.686331][ T4604]  ? clear_bhb_loop+0x30/0x80
[  460.691040][ T4604]  ? clear_bhb_loop+0x30/0x80
[  460.695753][ T4604]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  460.701680][ T4604] RIP: 0033:0x7f07473403ca
[  460.706128][ T4604] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  460.725775][ T4604] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  460.734409][ T4604] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  460.742414][ T4604] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  460.750424][ T4604] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  460.758430][ T4604] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  460.766434][ T4604] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  460.774480][ T4604]  </TASK>
[  460.784211][ T4604] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  460.799585][ T4604] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  461.070143][ T4605] loop1: detected capacity change from 0 to 32768
[  461.122436][ T4605] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  461.131448][ T4605] CPU: 0 PID: 4605 Comm: syz.1.221 Not tainted syzkaller #0
[  461.139281][ T4605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  461.149586][ T4605] Call Trace:
[  461.153014][ T4605]  <TASK>
[  461.156101][ T4605]  dump_stack_lvl+0x188/0x250
[  461.160832][ T4605]  ? show_regs_print_info+0x20/0x20
[  461.166158][ T4605]  ? load_image+0x410/0x410
[  461.170773][ T4605]  sysfs_create_dir_ns+0x26a/0x290
[  461.175928][ T4605]  ? sysfs_warn_dup+0xa0/0xa0
[  461.180645][ T4605]  ? do_raw_spin_unlock+0x11d/0x230
[  461.185893][ T4605]  kobject_add_internal+0x5ba/0xcd0
[  461.191138][ T4605]  kobject_init_and_add+0x128/0x190
[  461.196377][ T4605]  ? lockdep_softirqs_off+0x430/0x430
[  461.201877][ T4605]  ? kobject_add+0x230/0x230
[  461.206549][ T4605]  ? __init_swait_queue_head+0xa4/0x140
[  461.212232][ T4605]  gfs2_sys_fs_add+0x24f/0x4b0
[  461.217030][ T4605]  ? gfs2_recover_set+0x240/0x240
[  461.222083][ T4605]  ? snprintf+0xe5/0x140
[  461.226364][ T4605]  ? __free_pages+0x95/0x1a0
[  461.230994][ T4605]  ? vscnprintf+0x80/0x80
[  461.235399][ T4605]  gfs2_fill_super+0x11ed/0x1ea0
[  461.240383][ T4605]  ? gfs2_reconfigure+0xd80/0xd80
[  461.245462][ T4605]  ? sb_set_blocksize+0xa5/0xe0
[  461.250358][ T4605]  get_tree_bdev+0x3e6/0x610
[  461.255022][ T4605]  ? gfs2_reconfigure+0xd80/0xd80
[  461.260086][ T4605]  gfs2_get_tree+0x4d/0x1e0
[  461.264631][ T4605]  vfs_get_tree+0x88/0x270
[  461.269087][ T4605]  do_new_mount+0x247/0xa40
[  461.273656][ T4605]  __se_sys_mount+0x2e3/0x3d0
[  461.278381][ T4605]  ? __x64_sys_mount+0xc0/0xc0
[  461.283190][ T4605]  ? lockdep_hardirqs_on+0x94/0x140
[  461.288422][ T4605]  ? __x64_sys_mount+0x1c/0xc0
[  461.293229][ T4605]  do_syscall_64+0x4c/0xa0
[  461.299571][ T4605]  ? clear_bhb_loop+0x30/0x80
[  461.304379][ T4605]  ? clear_bhb_loop+0x30/0x80
[  461.309105][ T4605]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  461.315035][ T4605] RIP: 0033:0x7f07473403ca
[  461.319580][ T4605] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  461.339307][ T4605] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  461.348115][ T4605] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  461.356129][ T4605] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  461.364146][ T4605] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  461.372168][ T4605] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  461.380191][ T4605] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  461.388216][ T4605]  </TASK>
[  461.396721][ T4605] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  461.410260][ T4605] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  461.676780][ T4606] loop1: detected capacity change from 0 to 32768
[  461.744606][ T4606] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  461.752870][ T4606] CPU: 0 PID: 4606 Comm: syz.1.222 Not tainted syzkaller #0
[  461.760203][ T4606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  461.770292][ T4606] Call Trace:
[  461.773604][ T4606]  <TASK>
[  461.776572][ T4606]  dump_stack_lvl+0x188/0x250
[  461.781325][ T4606]  ? show_regs_print_info+0x20/0x20
[  461.786566][ T4606]  ? load_image+0x410/0x410
[  461.791120][ T4606]  sysfs_create_dir_ns+0x26a/0x290
[  461.796276][ T4606]  ? sysfs_warn_dup+0xa0/0xa0
[  461.800996][ T4606]  ? do_raw_spin_unlock+0x11d/0x230
[  461.806235][ T4606]  kobject_add_internal+0x5ba/0xcd0
[  461.811493][ T4606]  kobject_init_and_add+0x128/0x190
[  461.816742][ T4606]  ? lockdep_softirqs_off+0x430/0x430
[  461.822164][ T4606]  ? kobject_add+0x230/0x230
[  461.826799][ T4606]  ? __init_swait_queue_head+0xa4/0x140
[  461.832405][ T4606]  gfs2_sys_fs_add+0x24f/0x4b0
[  461.837204][ T4606]  ? gfs2_recover_set+0x240/0x240
[  461.842258][ T4606]  ? snprintf+0xe5/0x140
[  461.846531][ T4606]  ? __free_pages+0x95/0x1a0
[  461.851164][ T4606]  ? vscnprintf+0x80/0x80
[  461.855544][ T4606]  gfs2_fill_super+0x11ed/0x1ea0
[  461.860527][ T4606]  ? gfs2_reconfigure+0xd80/0xd80
[  461.865604][ T4606]  ? sb_set_blocksize+0xa5/0xe0
[  461.870496][ T4606]  get_tree_bdev+0x3e6/0x610
[  461.875145][ T4606]  ? gfs2_reconfigure+0xd80/0xd80
[  461.880205][ T4606]  gfs2_get_tree+0x4d/0x1e0
[  461.884745][ T4606]  vfs_get_tree+0x88/0x270
[  461.889203][ T4606]  do_new_mount+0x247/0xa40
[  461.893754][ T4606]  __se_sys_mount+0x2e3/0x3d0
[  461.898490][ T4606]  ? __x64_sys_mount+0xc0/0xc0
[  461.903291][ T4606]  ? lockdep_hardirqs_on+0x94/0x140
[  461.908532][ T4606]  ? __x64_sys_mount+0x1c/0xc0
[  461.913331][ T4606]  do_syscall_64+0x4c/0xa0
[  461.917782][ T4606]  ? clear_bhb_loop+0x30/0x80
[  461.922495][ T4606]  ? clear_bhb_loop+0x30/0x80
[  461.927211][ T4606]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  461.933138][ T4606] RIP: 0033:0x7f07473403ca
[  461.937582][ T4606] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  461.957216][ T4606] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  461.965670][ T4606] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  461.973706][ T4606] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  461.981718][ T4606] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  461.989721][ T4606] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  461.997727][ T4606] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  462.005745][ T4606]  </TASK>
[  462.014325][ T4606] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  462.029805][ T4606] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  462.312397][ T4607] loop1: detected capacity change from 0 to 32768
[  462.404491][ T4607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  462.412763][ T4607] CPU: 1 PID: 4607 Comm: syz.1.223 Not tainted syzkaller #0
[  462.420119][ T4607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  462.430207][ T4607] Call Trace:
[  462.433514][ T4607]  <TASK>
[  462.436486][ T4607]  dump_stack_lvl+0x188/0x250
[  462.441206][ T4607]  ? show_regs_print_info+0x20/0x20
[  462.446455][ T4607]  ? load_image+0x410/0x410
[  462.451010][ T4607]  sysfs_create_dir_ns+0x26a/0x290
[  462.456165][ T4607]  ? sysfs_warn_dup+0xa0/0xa0
[  462.460887][ T4607]  ? do_raw_spin_unlock+0x11d/0x230
[  462.466127][ T4607]  kobject_add_internal+0x5ba/0xcd0
[  462.471369][ T4607]  kobject_init_and_add+0x128/0x190
[  462.476607][ T4607]  ? lockdep_softirqs_off+0x430/0x430
[  462.482057][ T4607]  ? kobject_add+0x230/0x230
[  462.486690][ T4607]  ? __init_swait_queue_head+0xa4/0x140
[  462.492279][ T4607]  gfs2_sys_fs_add+0x24f/0x4b0
[  462.497092][ T4607]  ? gfs2_recover_set+0x240/0x240
[  462.502153][ T4607]  ? snprintf+0xe5/0x140
[  462.506438][ T4607]  ? __free_pages+0x95/0x1a0
[  462.511072][ T4607]  ? vscnprintf+0x80/0x80
[  462.515450][ T4607]  gfs2_fill_super+0x11ed/0x1ea0
[  462.522262][ T4607]  ? gfs2_reconfigure+0xd80/0xd80
[  462.527685][ T4607]  ? sb_set_blocksize+0xa5/0xe0
[  462.532572][ T4607]  get_tree_bdev+0x3e6/0x610
[  462.537200][ T4607]  ? gfs2_reconfigure+0xd80/0xd80
[  462.542260][ T4607]  gfs2_get_tree+0x4d/0x1e0
[  462.546796][ T4607]  vfs_get_tree+0x88/0x270
[  462.551252][ T4607]  do_new_mount+0x247/0xa40
[  462.555811][ T4607]  __se_sys_mount+0x2e3/0x3d0
[  462.560528][ T4607]  ? __x64_sys_mount+0xc0/0xc0
[  462.565345][ T4607]  ? lockdep_hardirqs_on+0x94/0x140
[  462.570554][ T4607]  ? __x64_sys_mount+0x1c/0xc0
[  462.575336][ T4607]  do_syscall_64+0x4c/0xa0
[  462.579758][ T4607]  ? clear_bhb_loop+0x30/0x80
[  462.584558][ T4607]  ? clear_bhb_loop+0x30/0x80
[  462.589238][ T4607]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  462.595132][ T4607] RIP: 0033:0x7f07473403ca
[  462.599568][ T4607] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  462.619176][ T4607] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  462.627592][ T4607] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  462.635587][ T4607] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  462.643557][ T4607] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  462.651523][ T4607] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  462.659500][ T4607] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  462.667479][ T4607]  </TASK>
[  462.671760][ T4607] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  462.685062][ T4607] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  463.054948][ T4608] loop1: detected capacity change from 0 to 32768
[  463.133258][ T4608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  463.141027][ T4608] CPU: 1 PID: 4608 Comm: syz.1.224 Not tainted syzkaller #0
[  463.148367][ T4608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  463.158465][ T4608] Call Trace:
[  463.161783][ T4608]  <TASK>
[  463.164750][ T4608]  dump_stack_lvl+0x188/0x250
[  463.169470][ T4608]  ? show_regs_print_info+0x20/0x20
[  463.174704][ T4608]  ? load_image+0x410/0x410
[  463.179259][ T4608]  sysfs_create_dir_ns+0x26a/0x290
[  463.184416][ T4608]  ? sysfs_warn_dup+0xa0/0xa0
[  463.189150][ T4608]  ? do_raw_spin_unlock+0x11d/0x230
[  463.194393][ T4608]  kobject_add_internal+0x5ba/0xcd0
[  463.199638][ T4608]  kobject_init_and_add+0x128/0x190
[  463.204880][ T4608]  ? lockdep_softirqs_off+0x430/0x430
[  463.210298][ T4608]  ? kobject_add+0x230/0x230
[  463.214948][ T4608]  ? __init_swait_queue_head+0xa4/0x140
[  463.220538][ T4608]  gfs2_sys_fs_add+0x24f/0x4b0
[  463.225356][ T4608]  ? gfs2_recover_set+0x240/0x240
[  463.230410][ T4608]  ? snprintf+0xe5/0x140
[  463.234692][ T4608]  ? __free_pages+0x95/0x1a0
[  463.239325][ T4608]  ? vscnprintf+0x80/0x80
[  463.243705][ T4608]  gfs2_fill_super+0x11ed/0x1ea0
[  463.248707][ T4608]  ? gfs2_reconfigure+0xd80/0xd80
[  463.253785][ T4608]  ? sb_set_blocksize+0xa5/0xe0
[  463.258675][ T4608]  get_tree_bdev+0x3e6/0x610
[  463.263304][ T4608]  ? gfs2_reconfigure+0xd80/0xd80
[  463.268374][ T4608]  gfs2_get_tree+0x4d/0x1e0
[  463.272916][ T4608]  vfs_get_tree+0x88/0x270
[  463.277373][ T4608]  do_new_mount+0x247/0xa40
[  463.281936][ T4608]  __se_sys_mount+0x2e3/0x3d0
[  463.286665][ T4608]  ? __x64_sys_mount+0xc0/0xc0
[  463.291473][ T4608]  ? lockdep_hardirqs_on+0x94/0x140
[  463.296706][ T4608]  ? __x64_sys_mount+0x1c/0xc0
[  463.301509][ T4608]  do_syscall_64+0x4c/0xa0
[  463.305956][ T4608]  ? clear_bhb_loop+0x30/0x80
[  463.310662][ T4608]  ? clear_bhb_loop+0x30/0x80
[  463.315383][ T4608]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  463.321449][ T4608] RIP: 0033:0x7f07473403ca
[  463.325896][ T4608] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  463.345628][ T4608] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  463.354087][ T4608] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  463.362132][ T4608] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  463.370138][ T4608] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  463.378141][ T4608] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  463.386284][ T4608] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  463.394306][ T4608]  </TASK>
[  463.403418][ T4608] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  463.416858][ T4608] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  463.781704][ T4609] loop1: detected capacity change from 0 to 32768
[  463.831019][ T4609] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  463.838460][ T4609] CPU: 1 PID: 4609 Comm: syz.1.225 Not tainted syzkaller #0
[  463.845775][ T4609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  463.855872][ T4609] Call Trace:
[  463.859180][ T4609]  <TASK>
[  463.862181][ T4609]  dump_stack_lvl+0x188/0x250
[  463.866899][ T4609]  ? show_regs_print_info+0x20/0x20
[  463.872133][ T4609]  ? load_image+0x410/0x410
[  463.876705][ T4609]  sysfs_create_dir_ns+0x26a/0x290
[  463.881866][ T4609]  ? sysfs_warn_dup+0xa0/0xa0
[  463.886588][ T4609]  ? do_raw_spin_unlock+0x11d/0x230
[  463.891825][ T4609]  kobject_add_internal+0x5ba/0xcd0
[  463.897071][ T4609]  kobject_init_and_add+0x128/0x190
[  463.902312][ T4609]  ? lockdep_softirqs_off+0x430/0x430
[  463.907728][ T4609]  ? kobject_add+0x230/0x230
[  463.912363][ T4609]  ? __init_swait_queue_head+0xa4/0x140
[  463.917953][ T4609]  gfs2_sys_fs_add+0x24f/0x4b0
[  463.922749][ T4609]  ? gfs2_recover_set+0x240/0x240
[  463.927811][ T4609]  ? snprintf+0xe5/0x140
[  463.932089][ T4609]  ? __free_pages+0x95/0x1a0
[  463.936717][ T4609]  ? vscnprintf+0x80/0x80
[  463.941089][ T4609]  gfs2_fill_super+0x11ed/0x1ea0
[  463.946068][ T4609]  ? gfs2_reconfigure+0xd80/0xd80
[  463.951150][ T4609]  ? sb_set_blocksize+0xa5/0xe0
[  463.956034][ T4609]  get_tree_bdev+0x3e6/0x610
[  463.960662][ T4609]  ? gfs2_reconfigure+0xd80/0xd80
[  463.965729][ T4609]  gfs2_get_tree+0x4d/0x1e0
[  463.970266][ T4609]  vfs_get_tree+0x88/0x270
[  463.974724][ T4609]  do_new_mount+0x247/0xa40
[  463.979271][ T4609]  __se_sys_mount+0x2e3/0x3d0
[  463.984263][ T4609]  ? __x64_sys_mount+0xc0/0xc0
[  463.989061][ T4609]  ? lockdep_hardirqs_on+0x94/0x140
[  463.994306][ T4609]  ? __x64_sys_mount+0x1c/0xc0
[  463.999107][ T4609]  do_syscall_64+0x4c/0xa0
[  464.003586][ T4609]  ? clear_bhb_loop+0x30/0x80
[  464.008296][ T4609]  ? clear_bhb_loop+0x30/0x80
[  464.013018][ T4609]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  464.018951][ T4609] RIP: 0033:0x7f07473403ca
[  464.023406][ T4609] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  464.043038][ T4609] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  464.051489][ T4609] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  464.059496][ T4609] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  464.067503][ T4609] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  464.075539][ T4609] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  464.083547][ T4609] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  464.091556][ T4609]  </TASK>
[  464.095904][ T4609] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  464.109177][ T4609] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  464.485906][ T4610] loop1: detected capacity change from 0 to 32768
[  464.548838][ T4610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  464.556935][ T4610] CPU: 1 PID: 4610 Comm: syz.1.226 Not tainted syzkaller #0
[  464.564288][ T4610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  464.574667][ T4610] Call Trace:
[  464.577991][ T4610]  <TASK>
[  464.580961][ T4610]  dump_stack_lvl+0x188/0x250
[  464.585694][ T4610]  ? show_regs_print_info+0x20/0x20
[  464.590932][ T4610]  ? load_image+0x410/0x410
[  464.595481][ T4610]  sysfs_create_dir_ns+0x26a/0x290
[  464.600638][ T4610]  ? sysfs_warn_dup+0xa0/0xa0
[  464.605355][ T4610]  ? do_raw_spin_unlock+0x11d/0x230
[  464.610596][ T4610]  kobject_add_internal+0x5ba/0xcd0
[  464.615834][ T4610]  kobject_init_and_add+0x128/0x190
[  464.621081][ T4610]  ? lockdep_softirqs_off+0x430/0x430
[  464.626504][ T4610]  ? kobject_add+0x230/0x230
[  464.631143][ T4610]  ? __init_swait_queue_head+0xa4/0x140
[  464.636732][ T4610]  gfs2_sys_fs_add+0x24f/0x4b0
[  464.641533][ T4610]  ? gfs2_recover_set+0x240/0x240
[  464.646591][ T4610]  ? snprintf+0xe5/0x140
[  464.650873][ T4610]  ? __free_pages+0x95/0x1a0
[  464.655505][ T4610]  ? vscnprintf+0x80/0x80
[  464.659904][ T4610]  gfs2_fill_super+0x11ed/0x1ea0
[  464.664888][ T4610]  ? gfs2_reconfigure+0xd80/0xd80
[  464.669964][ T4610]  ? sb_set_blocksize+0xa5/0xe0
[  464.674940][ T4610]  get_tree_bdev+0x3e6/0x610
[  464.679571][ T4610]  ? gfs2_reconfigure+0xd80/0xd80
[  464.684651][ T4610]  gfs2_get_tree+0x4d/0x1e0
[  464.689198][ T4610]  vfs_get_tree+0x88/0x270
[  464.693668][ T4610]  do_new_mount+0x247/0xa40
[  464.698369][ T4610]  __se_sys_mount+0x2e3/0x3d0
[  464.703095][ T4610]  ? __x64_sys_mount+0xc0/0xc0
[  464.707901][ T4610]  ? lockdep_hardirqs_on+0x94/0x140
[  464.713138][ T4610]  ? __x64_sys_mount+0x1c/0xc0
[  464.717937][ T4610]  do_syscall_64+0x4c/0xa0
[  464.722382][ T4610]  ? clear_bhb_loop+0x30/0x80
[  464.727089][ T4610]  ? clear_bhb_loop+0x30/0x80
[  464.731926][ T4610]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  464.737864][ T4610] RIP: 0033:0x7f07473403ca
[  464.742627][ T4610] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  464.763129][ T4610] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  464.771580][ T4610] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  464.779590][ T4610] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  464.787599][ T4610] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  464.796061][ T4610] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  464.804164][ T4610] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  464.812216][ T4610]  </TASK>
[  464.820988][ T4610] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  464.834465][ T4610] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/18 19:13:18 executed programs: 212
[  465.202467][ T4611] loop1: detected capacity change from 0 to 32768
[  465.284932][ T4611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  465.293204][ T4611] CPU: 1 PID: 4611 Comm: syz.1.227 Not tainted syzkaller #0
[  465.300625][ T4611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  465.310741][ T4611] Call Trace:
[  465.314047][ T4611]  <TASK>
[  465.317011][ T4611]  dump_stack_lvl+0x188/0x250
[  465.321728][ T4611]  ? show_regs_print_info+0x20/0x20
[  465.326959][ T4611]  ? load_image+0x410/0x410
[  465.331774][ T4611]  sysfs_create_dir_ns+0x26a/0x290
[  465.336933][ T4611]  ? sysfs_warn_dup+0xa0/0xa0
[  465.341664][ T4611]  ? do_raw_spin_unlock+0x11d/0x230
[  465.346905][ T4611]  kobject_add_internal+0x5ba/0xcd0
[  465.352152][ T4611]  kobject_init_and_add+0x128/0x190
[  465.357394][ T4611]  ? lockdep_softirqs_off+0x430/0x430
[  465.362844][ T4611]  ? kobject_add+0x230/0x230
[  465.367493][ T4611]  ? __init_swait_queue_head+0xa4/0x140
[  465.373086][ T4611]  gfs2_sys_fs_add+0x24f/0x4b0
[  465.377888][ T4611]  ? gfs2_recover_set+0x240/0x240
[  465.382958][ T4611]  ? snprintf+0xe5/0x140
[  465.387241][ T4611]  ? __free_pages+0x95/0x1a0
[  465.391875][ T4611]  ? vscnprintf+0x80/0x80
[  465.396260][ T4611]  gfs2_fill_super+0x11ed/0x1ea0
[  465.401240][ T4611]  ? gfs2_reconfigure+0xd80/0xd80
[  465.406328][ T4611]  ? sb_set_blocksize+0xa5/0xe0
[  465.411221][ T4611]  get_tree_bdev+0x3e6/0x610
[  465.415852][ T4611]  ? gfs2_reconfigure+0xd80/0xd80
[  465.420910][ T4611]  gfs2_get_tree+0x4d/0x1e0
[  465.425489][ T4611]  vfs_get_tree+0x88/0x270
[  465.429955][ T4611]  do_new_mount+0x247/0xa40
[  465.434501][ T4611]  __se_sys_mount+0x2e3/0x3d0
[  465.439224][ T4611]  ? __x64_sys_mount+0xc0/0xc0
[  465.444033][ T4611]  ? lockdep_hardirqs_on+0x94/0x140
[  465.449261][ T4611]  ? __x64_sys_mount+0x1c/0xc0
[  465.454036][ T4611]  do_syscall_64+0x4c/0xa0
[  465.458468][ T4611]  ? clear_bhb_loop+0x30/0x80
[  465.463154][ T4611]  ? clear_bhb_loop+0x30/0x80
[  465.467870][ T4611]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  465.473773][ T4611] RIP: 0033:0x7f07473403ca
[  465.478199][ T4611] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  465.497947][ T4611] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  465.506377][ T4611] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  465.514355][ T4611] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  465.522335][ T4611] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  465.530310][ T4611] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  465.538278][ T4611] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  465.546264][ T4611]  </TASK>
[  465.551170][ T4611] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  465.565022][ T4611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  465.948106][ T4612] loop1: detected capacity change from 0 to 32768
[  465.967407][ T4612] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  465.975310][ T4612] CPU: 1 PID: 4612 Comm: syz.1.228 Not tainted syzkaller #0
[  465.982729][ T4612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  465.992856][ T4612] Call Trace:
[  465.996175][ T4612]  <TASK>
[  465.999160][ T4612]  dump_stack_lvl+0x188/0x250
[  466.003973][ T4612]  ? show_regs_print_info+0x20/0x20
[  466.009212][ T4612]  ? load_image+0x410/0x410
[  466.013780][ T4612]  sysfs_create_dir_ns+0x26a/0x290
[  466.018941][ T4612]  ? sysfs_warn_dup+0xa0/0xa0
[  466.023715][ T4612]  ? do_raw_spin_unlock+0x11d/0x230
[  466.028960][ T4612]  kobject_add_internal+0x5ba/0xcd0
[  466.034212][ T4612]  kobject_init_and_add+0x128/0x190
[  466.039450][ T4612]  ? lockdep_softirqs_off+0x430/0x430
[  466.044908][ T4612]  ? kobject_add+0x230/0x230
[  466.049550][ T4612]  ? __init_swait_queue_head+0xa4/0x140
[  466.055142][ T4612]  gfs2_sys_fs_add+0x24f/0x4b0
[  466.059944][ T4612]  ? gfs2_recover_set+0x240/0x240
[  466.065005][ T4612]  ? snprintf+0xe5/0x140
[  466.069396][ T4612]  ? __free_pages+0x95/0x1a0
[  466.074031][ T4612]  ? vscnprintf+0x80/0x80
[  466.078412][ T4612]  gfs2_fill_super+0x11ed/0x1ea0
[  466.083599][ T4612]  ? gfs2_reconfigure+0xd80/0xd80
[  466.088807][ T4612]  ? sb_set_blocksize+0xa5/0xe0
[  466.093712][ T4612]  get_tree_bdev+0x3e6/0x610
[  466.098341][ T4612]  ? gfs2_reconfigure+0xd80/0xd80
[  466.103491][ T4612]  gfs2_get_tree+0x4d/0x1e0
[  466.108042][ T4612]  vfs_get_tree+0x88/0x270
[  466.112683][ T4612]  do_new_mount+0x247/0xa40
[  466.117763][ T4612]  __se_sys_mount+0x2e3/0x3d0
[  466.122756][ T4612]  ? __x64_sys_mount+0xc0/0xc0
[  466.127821][ T4612]  ? lockdep_hardirqs_on+0x94/0x140
[  466.133180][ T4612]  ? __x64_sys_mount+0x1c/0xc0
[  466.138270][ T4612]  do_syscall_64+0x4c/0xa0
[  466.142762][ T4612]  ? clear_bhb_loop+0x30/0x80
[  466.148144][ T4612]  ? clear_bhb_loop+0x30/0x80
[  466.153070][ T4612]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  466.159006][ T4612] RIP: 0033:0x7f07473403ca
[  466.163458][ T4612] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  466.183480][ T4612] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  466.192473][ T4612] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  466.200597][ T4612] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  466.209316][ T4612] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  466.217590][ T4612] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  466.226216][ T4612] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  466.234528][ T4612]  </TASK>
[  466.246265][ T4612] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  466.261876][ T4612] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  466.647108][ T4613] loop1: detected capacity change from 0 to 32768
[  466.702206][ T4613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  466.709676][ T4613] CPU: 1 PID: 4613 Comm: syz.1.229 Not tainted syzkaller #0
[  466.717165][ T4613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  466.727258][ T4613] Call Trace:
[  466.730568][ T4613]  <TASK>
[  466.733529][ T4613]  dump_stack_lvl+0x188/0x250
[  466.738337][ T4613]  ? show_regs_print_info+0x20/0x20
[  466.743573][ T4613]  ? load_image+0x410/0x410
[  466.748129][ T4613]  sysfs_create_dir_ns+0x26a/0x290
[  466.753280][ T4613]  ? sysfs_warn_dup+0xa0/0xa0
[  466.757996][ T4613]  ? do_raw_spin_unlock+0x11d/0x230
[  466.763241][ T4613]  kobject_add_internal+0x5ba/0xcd0
[  466.768492][ T4613]  kobject_init_and_add+0x128/0x190
[  466.773725][ T4613]  ? lockdep_softirqs_off+0x430/0x430
[  466.779149][ T4613]  ? kobject_add+0x230/0x230
[  466.783793][ T4613]  ? __init_swait_queue_head+0xa4/0x140
[  466.789383][ T4613]  gfs2_sys_fs_add+0x24f/0x4b0
[  466.794181][ T4613]  ? gfs2_recover_set+0x240/0x240
[  466.799244][ T4613]  ? snprintf+0xe5/0x140
[  466.803522][ T4613]  ? __free_pages+0x95/0x1a0
[  466.808165][ T4613]  ? vscnprintf+0x80/0x80
[  466.812543][ T4613]  gfs2_fill_super+0x11ed/0x1ea0
[  466.817529][ T4613]  ? gfs2_reconfigure+0xd80/0xd80
[  466.822601][ T4613]  ? sb_set_blocksize+0xa5/0xe0
[  466.827492][ T4613]  get_tree_bdev+0x3e6/0x610
[  466.832122][ T4613]  ? gfs2_reconfigure+0xd80/0xd80
[  466.837183][ T4613]  gfs2_get_tree+0x4d/0x1e0
[  466.841755][ T4613]  vfs_get_tree+0x88/0x270
[  466.846215][ T4613]  do_new_mount+0x247/0xa40
[  466.850793][ T4613]  __se_sys_mount+0x2e3/0x3d0
[  466.855509][ T4613]  ? __x64_sys_mount+0xc0/0xc0
[  466.860309][ T4613]  ? lockdep_hardirqs_on+0x94/0x140
[  466.865539][ T4613]  ? __x64_sys_mount+0x1c/0xc0
[  466.870337][ T4613]  do_syscall_64+0x4c/0xa0
[  466.874790][ T4613]  ? clear_bhb_loop+0x30/0x80
[  466.879503][ T4613]  ? clear_bhb_loop+0x30/0x80
[  466.884220][ T4613]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  466.890150][ T4613] RIP: 0033:0x7f07473403ca
[  466.894600][ T4613] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  466.914238][ T4613] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  466.922698][ T4613] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  466.930712][ T4613] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  466.938722][ T4613] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  466.946728][ T4613] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  466.954732][ T4613] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  466.962746][ T4613]  </TASK>
[  466.971034][ T4613] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  466.984405][ T4613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  467.386470][ T4614] loop1: detected capacity change from 0 to 32768
[  467.430691][ T4614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  467.438132][ T4614] CPU: 0 PID: 4614 Comm: syz.1.230 Not tainted syzkaller #0
[  467.445448][ T4614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  467.455535][ T4614] Call Trace:
[  467.458851][ T4614]  <TASK>
[  467.461815][ T4614]  dump_stack_lvl+0x188/0x250
[  467.466543][ T4614]  ? show_regs_print_info+0x20/0x20
[  467.471782][ T4614]  ? load_image+0x410/0x410
[  467.476335][ T4614]  sysfs_create_dir_ns+0x26a/0x290
[  467.481485][ T4614]  ? sysfs_warn_dup+0xa0/0xa0
[  467.486216][ T4614]  ? do_raw_spin_unlock+0x11d/0x230
[  467.491471][ T4614]  kobject_add_internal+0x5ba/0xcd0
[  467.496725][ T4614]  kobject_init_and_add+0x128/0x190
[  467.501966][ T4614]  ? lockdep_softirqs_off+0x430/0x430
[  467.507424][ T4614]  ? kobject_add+0x230/0x230
[  467.512097][ T4614]  ? __init_swait_queue_head+0xa4/0x140
[  467.517681][ T4614]  gfs2_sys_fs_add+0x24f/0x4b0
[  467.522503][ T4614]  ? gfs2_recover_set+0x240/0x240
[  467.527588][ T4614]  ? snprintf+0xe5/0x140
[  467.531870][ T4614]  ? __free_pages+0x95/0x1a0
[  467.536531][ T4614]  ? vscnprintf+0x80/0x80
[  467.540911][ T4614]  gfs2_fill_super+0x11ed/0x1ea0
[  467.545902][ T4614]  ? gfs2_reconfigure+0xd80/0xd80
[  467.550981][ T4614]  ? sb_set_blocksize+0xa5/0xe0
[  467.555866][ T4614]  get_tree_bdev+0x3e6/0x610
[  467.560490][ T4614]  ? gfs2_reconfigure+0xd80/0xd80
[  467.565557][ T4614]  gfs2_get_tree+0x4d/0x1e0
[  467.570097][ T4614]  vfs_get_tree+0x88/0x270
[  467.574553][ T4614]  do_new_mount+0x247/0xa40
[  467.579100][ T4614]  __se_sys_mount+0x2e3/0x3d0
[  467.583814][ T4614]  ? __x64_sys_mount+0xc0/0xc0
[  467.588639][ T4614]  ? lockdep_hardirqs_on+0x94/0x140
[  467.593867][ T4614]  ? __x64_sys_mount+0x1c/0xc0
[  467.598669][ T4614]  do_syscall_64+0x4c/0xa0
[  467.603119][ T4614]  ? clear_bhb_loop+0x30/0x80
[  467.607916][ T4614]  ? clear_bhb_loop+0x30/0x80
[  467.612630][ T4614]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  467.618561][ T4614] RIP: 0033:0x7f07473403ca
[  467.623022][ T4614] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  467.642666][ T4614] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  467.651127][ T4614] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  467.659136][ T4614] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  467.667158][ T4614] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  467.675262][ T4614] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  467.683494][ T4614] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  467.691539][ T4614]  </TASK>
[  467.700163][ T4614] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  467.716137][ T4614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  467.978222][ T4615] loop1: detected capacity change from 0 to 32768
[  468.030557][ T4615] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  468.038796][ T4615] CPU: 1 PID: 4615 Comm: syz.1.231 Not tainted syzkaller #0
[  468.046825][ T4615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  468.057046][ T4615] Call Trace:
[  468.060366][ T4615]  <TASK>
[  468.063419][ T4615]  dump_stack_lvl+0x188/0x250
[  468.068266][ T4615]  ? show_regs_print_info+0x20/0x20
[  468.073600][ T4615]  ? load_image+0x410/0x410
[  468.078250][ T4615]  sysfs_create_dir_ns+0x26a/0x290
[  468.083670][ T4615]  ? sysfs_warn_dup+0xa0/0xa0
[  468.088656][ T4615]  ? do_raw_spin_unlock+0x11d/0x230
[  468.094030][ T4615]  kobject_add_internal+0x5ba/0xcd0
[  468.099291][ T4615]  kobject_init_and_add+0x128/0x190
[  468.104564][ T4615]  ? lockdep_softirqs_off+0x430/0x430
[  468.110261][ T4615]  ? kobject_add+0x230/0x230
[  468.114995][ T4615]  ? __init_swait_queue_head+0xa4/0x140
[  468.120811][ T4615]  gfs2_sys_fs_add+0x24f/0x4b0
[  468.125626][ T4615]  ? gfs2_recover_set+0x240/0x240
[  468.130899][ T4615]  ? snprintf+0xe5/0x140
[  468.135207][ T4615]  ? __free_pages+0x95/0x1a0
[  468.139931][ T4615]  ? vscnprintf+0x80/0x80
[  468.144590][ T4615]  gfs2_fill_super+0x11ed/0x1ea0
[  468.149574][ T4615]  ? gfs2_reconfigure+0xd80/0xd80
[  468.154924][ T4615]  ? sb_set_blocksize+0xa5/0xe0
[  468.160040][ T4615]  get_tree_bdev+0x3e6/0x610
[  468.164762][ T4615]  ? gfs2_reconfigure+0xd80/0xd80
[  468.169862][ T4615]  gfs2_get_tree+0x4d/0x1e0
[  468.174489][ T4615]  vfs_get_tree+0x88/0x270
[  468.178944][ T4615]  do_new_mount+0x247/0xa40
[  468.183502][ T4615]  __se_sys_mount+0x2e3/0x3d0
[  468.188224][ T4615]  ? __x64_sys_mount+0xc0/0xc0
[  468.193041][ T4615]  ? lockdep_hardirqs_on+0x94/0x140
[  468.198275][ T4615]  ? __x64_sys_mount+0x1c/0xc0
[  468.203085][ T4615]  do_syscall_64+0x4c/0xa0
[  468.207978][ T4615]  ? clear_bhb_loop+0x30/0x80
[  468.212694][ T4615]  ? clear_bhb_loop+0x30/0x80
[  468.217410][ T4615]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  468.223341][ T4615] RIP: 0033:0x7f07473403ca
[  468.227795][ T4615] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  468.247555][ T4615] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  468.256015][ T4615] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  468.264032][ T4615] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  468.272062][ T4615] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  468.280073][ T4615] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  468.288077][ T4615] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  468.296098][ T4615]  </TASK>
[  468.304369][ T4615] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  468.317816][ T4615] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  468.638455][ T4616] loop1: detected capacity change from 0 to 32768
[  468.704523][ T4616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  468.712093][ T4616] CPU: 1 PID: 4616 Comm: syz.1.232 Not tainted syzkaller #0
[  468.719420][ T4616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  468.729506][ T4616] Call Trace:
[  468.732817][ T4616]  <TASK>
[  468.735780][ T4616]  dump_stack_lvl+0x188/0x250
[  468.740498][ T4616]  ? show_regs_print_info+0x20/0x20
[  468.745768][ T4616]  ? load_image+0x410/0x410
[  468.750326][ T4616]  sysfs_create_dir_ns+0x26a/0x290
[  468.755482][ T4616]  ? sysfs_warn_dup+0xa0/0xa0
[  468.760198][ T4616]  ? do_raw_spin_unlock+0x11d/0x230
[  468.765442][ T4616]  kobject_add_internal+0x5ba/0xcd0
[  468.770681][ T4616]  kobject_init_and_add+0x128/0x190
[  468.775921][ T4616]  ? lockdep_softirqs_off+0x430/0x430
[  468.781337][ T4616]  ? kobject_add+0x230/0x230
[  468.785969][ T4616]  ? __init_swait_queue_head+0xa4/0x140
[  468.791561][ T4616]  gfs2_sys_fs_add+0x24f/0x4b0
[  468.796360][ T4616]  ? gfs2_recover_set+0x240/0x240
[  468.801418][ T4616]  ? snprintf+0xe5/0x140
[  468.805699][ T4616]  ? __free_pages+0x95/0x1a0
[  468.810333][ T4616]  ? vscnprintf+0x80/0x80
[  468.814714][ T4616]  gfs2_fill_super+0x11ed/0x1ea0
[  468.819699][ T4616]  ? gfs2_reconfigure+0xd80/0xd80
[  468.824771][ T4616]  ? sb_set_blocksize+0xa5/0xe0
[  468.829657][ T4616]  get_tree_bdev+0x3e6/0x610
[  468.834416][ T4616]  ? gfs2_reconfigure+0xd80/0xd80
[  468.839501][ T4616]  gfs2_get_tree+0x4d/0x1e0
[  468.844048][ T4616]  vfs_get_tree+0x88/0x270
[  468.848503][ T4616]  do_new_mount+0x247/0xa40
[  468.853050][ T4616]  __se_sys_mount+0x2e3/0x3d0
[  468.857782][ T4616]  ? __x64_sys_mount+0xc0/0xc0
[  468.862593][ T4616]  ? lockdep_hardirqs_on+0x94/0x140
[  468.867854][ T4616]  ? __x64_sys_mount+0x1c/0xc0
[  468.872685][ T4616]  do_syscall_64+0x4c/0xa0
[  468.877131][ T4616]  ? clear_bhb_loop+0x30/0x80
[  468.881844][ T4616]  ? clear_bhb_loop+0x30/0x80
[  468.886563][ T4616]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  468.892490][ T4616] RIP: 0033:0x7f07473403ca
[  468.897182][ T4616] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  468.917521][ T4616] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  468.925981][ T4616] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  468.934019][ T4616] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  468.942031][ T4616] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  468.950042][ T4616] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  468.958073][ T4616] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  468.966106][ T4616]  </TASK>
[  468.976011][ T4616] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  468.989426][ T4616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  469.405609][ T4617] loop1: detected capacity change from 0 to 32768
[  469.465221][ T4617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  469.473929][ T4617] CPU: 0 PID: 4617 Comm: syz.1.233 Not tainted syzkaller #0
[  469.481259][ T4617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  469.491440][ T4617] Call Trace:
[  469.494779][ T4617]  <TASK>
[  469.497742][ T4617]  dump_stack_lvl+0x188/0x250
[  469.502629][ T4617]  ? show_regs_print_info+0x20/0x20
[  469.507886][ T4617]  ? load_image+0x410/0x410
[  469.512436][ T4617]  sysfs_create_dir_ns+0x26a/0x290
[  469.517701][ T4617]  ? sysfs_warn_dup+0xa0/0xa0
[  469.522421][ T4617]  ? do_raw_spin_unlock+0x11d/0x230
[  469.527802][ T4617]  kobject_add_internal+0x5ba/0xcd0
[  469.533165][ T4617]  kobject_init_and_add+0x128/0x190
[  469.538459][ T4617]  ? lockdep_softirqs_off+0x430/0x430
[  469.543926][ T4617]  ? kobject_add+0x230/0x230
[  469.548561][ T4617]  ? __init_swait_queue_head+0xa4/0x140
[  469.554211][ T4617]  gfs2_sys_fs_add+0x24f/0x4b0
[  469.559046][ T4617]  ? gfs2_recover_set+0x240/0x240
[  469.564888][ T4617]  ? snprintf+0xe5/0x140
[  469.570418][ T4617]  ? __free_pages+0x95/0x1a0
[  469.575093][ T4617]  ? vscnprintf+0x80/0x80
[  469.579479][ T4617]  gfs2_fill_super+0x11ed/0x1ea0
[  469.584463][ T4617]  ? gfs2_reconfigure+0xd80/0xd80
[  469.589541][ T4617]  ? sb_set_blocksize+0xa5/0xe0
[  469.594520][ T4617]  get_tree_bdev+0x3e6/0x610
[  469.599215][ T4617]  ? gfs2_reconfigure+0xd80/0xd80
[  469.604303][ T4617]  gfs2_get_tree+0x4d/0x1e0
[  469.608850][ T4617]  vfs_get_tree+0x88/0x270
[  469.613309][ T4617]  do_new_mount+0x247/0xa40
[  469.617976][ T4617]  __se_sys_mount+0x2e3/0x3d0
[  469.622699][ T4617]  ? __x64_sys_mount+0xc0/0xc0
[  469.627497][ T4617]  ? lockdep_hardirqs_on+0x94/0x140
[  469.632774][ T4617]  ? __x64_sys_mount+0x1c/0xc0
[  469.637686][ T4617]  do_syscall_64+0x4c/0xa0
[  469.642125][ T4617]  ? clear_bhb_loop+0x30/0x80
[  469.646958][ T4617]  ? clear_bhb_loop+0x30/0x80
[  469.651646][ T4617]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  469.657551][ T4617] RIP: 0033:0x7f07473403ca
[  469.661977][ T4617] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  469.681613][ T4617] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  469.690057][ T4617] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  469.698154][ T4617] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  469.706146][ T4617] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  469.714403][ T4617] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  469.722387][ T4617] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  469.730395][ T4617]  </TASK>
[  469.735422][ T4617] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  469.748719][ T4617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  470.117383][ T4618] loop1: detected capacity change from 0 to 32768
[  470.222328][ T4618] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  470.230993][ T4618] CPU: 1 PID: 4618 Comm: syz.1.234 Not tainted syzkaller #0
[  470.238328][ T4618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  470.248501][ T4618] Call Trace:
[  470.251815][ T4618]  <TASK>
[  470.254781][ T4618]  dump_stack_lvl+0x188/0x250
[  470.259498][ T4618]  ? show_regs_print_info+0x20/0x20
[  470.264751][ T4618]  ? load_image+0x410/0x410
[  470.269305][ T4618]  sysfs_create_dir_ns+0x26a/0x290
[  470.274454][ T4618]  ? sysfs_warn_dup+0xa0/0xa0
[  470.279168][ T4618]  ? do_raw_spin_unlock+0x11d/0x230
[  470.284443][ T4618]  kobject_add_internal+0x5ba/0xcd0
[  470.289687][ T4618]  kobject_init_and_add+0x128/0x190
[  470.295017][ T4618]  ? lockdep_softirqs_off+0x430/0x430
[  470.300440][ T4618]  ? kobject_add+0x230/0x230
[  470.305079][ T4618]  ? __init_swait_queue_head+0xa4/0x140
[  470.310674][ T4618]  gfs2_sys_fs_add+0x24f/0x4b0
[  470.315477][ T4618]  ? gfs2_recover_set+0x240/0x240
[  470.320539][ T4618]  ? snprintf+0xe5/0x140
[  470.324839][ T4618]  ? __free_pages+0x95/0x1a0
[  470.329469][ T4618]  ? vscnprintf+0x80/0x80
[  470.333865][ T4618]  gfs2_fill_super+0x11ed/0x1ea0
[  470.338897][ T4618]  ? gfs2_reconfigure+0xd80/0xd80
[  470.343974][ T4618]  ? sb_set_blocksize+0xa5/0xe0
[  470.348867][ T4618]  get_tree_bdev+0x3e6/0x610
[  470.353499][ T4618]  ? gfs2_reconfigure+0xd80/0xd80
[  470.358609][ T4618]  gfs2_get_tree+0x4d/0x1e0
[  470.363149][ T4618]  vfs_get_tree+0x88/0x270
[  470.367604][ T4618]  do_new_mount+0x247/0xa40
[  470.372151][ T4618]  __se_sys_mount+0x2e3/0x3d0
[  470.376865][ T4618]  ? __x64_sys_mount+0xc0/0xc0
[  470.381797][ T4618]  ? lockdep_hardirqs_on+0x94/0x140
[  470.387030][ T4618]  ? __x64_sys_mount+0x1c/0xc0
[  470.391844][ T4618]  do_syscall_64+0x4c/0xa0
[  470.396308][ T4618]  ? clear_bhb_loop+0x30/0x80
[  470.401049][ T4618]  ? clear_bhb_loop+0x30/0x80
[  470.405759][ T4618]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  470.411686][ T4618] RIP: 0033:0x7f07473403ca
[  470.416154][ T4618] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  470.435792][ T4618] RSP: 002b:00007ffeff343078 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  470.444227][ T4618] RAX: ffffffffffffffda RBX: 00007ffeff343100 RCX: 00007f07473403ca
[  470.452334][ T4618] RDX: 00002000000124c0 RSI: 0000200000001c00 RDI: 00007ffeff3430c0
[  470.460321][ T4618] RBP: 00002000000124c0 R08: 00007ffeff343100 R09: 0000000000000011
[  470.468298][ T4618] R10: 0000000000000011 R11: 0000000000000246 R12: 0000200000001c00
[  470.476279][ T4618] R13: 00007ffeff3430c0 R14: 000000000001261d R15: 00002000000003c0
[  470.484357][ T4618]  </TASK>
[  470.495414][ T4618] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  470.509206][ T4618] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/09/18 19:13:24 executed programs: 220
[  470.680670][   T27] INFO: task syz-executor:4323 blocked for more than 143 seconds.
[  470.697054][   T27]       Not tainted syzkaller #0
[  470.702685][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  470.714548][   T27] task:syz-executor    state:D stack:22064 pid: 4323 ppid:     1 flags:0x00004004
[  470.724266][   T27] Call Trace:
[  470.727590][   T27]  <TASK>
[  470.733565][   T27]  __schedule+0x11c3/0x4350
[  470.738123][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  470.744751][   T27]  ? preempt_schedule_thunk+0x16/0x18
[  470.750219][   T27]  ? _raw_spin_unlock_irqrestore+0x10d/0x120
[  470.758831][   T27]  ? _raw_spin_unlock+0x40/0x40
[  470.764055][   T27]  ? rcu_is_watching+0x11/0xa0
[  470.768928][   T27]  ? release_firmware_map_entry+0x190/0x190
[  470.777420][   T27]  schedule+0x11b/0x1e0
[  470.781923][   T27]  schedule_timeout+0x184/0x2d0
[  470.787224][   T27]  ? console_conditional_schedule+0x40/0x40
[  470.795665][   T27]  ? update_process_times+0x200/0x200
[  470.801496][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  470.807017][   T27]  gfs2_gl_hash_clear+0x1b4/0x300
[  470.814721][   T27]  ? thaw_glock+0x150/0x150
[  470.819270][   T27]  ? gfs2_jindex_free+0x3d2/0x440
[  470.825384][   T27]  ? init_wait_entry+0xd0/0xd0
[  470.830195][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  470.837521][   T27]  ? gfs2_clear_rgrpd+0x68a/0x6b0
[  470.842894][   T27]  gfs2_put_super+0x754/0x7c0
[  470.847703][   T27]  ? gfs2_evict_inode+0x1340/0x1340
[  470.855488][   T27]  generic_shutdown_super+0x130/0x300
[  470.861333][   T27]  kill_block_super+0x7c/0xe0
[  470.866055][   T27]  deactivate_locked_super+0x93/0xf0
[  470.873930][   T27]  cleanup_mnt+0x426/0x4d0
[  470.878414][   T27]  task_work_run+0x125/0x1a0
[  470.883556][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  470.889273][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  470.895396][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  470.901191][   T27]  do_syscall_64+0x58/0xa0
[  470.905646][   T27]  ? clear_bhb_loop+0x30/0x80
[  470.910356][   T27]  ? clear_bhb_loop+0x30/0x80
[  470.915487][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  470.921925][   T27] RIP: 0033:0x7f8c2edab397
[  470.926383][   T27] RSP: 002b:00007ffdea253a08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  470.935849][   T27] RAX: 0000000000000000 RBX: 00007f8c2ee404bb RCX: 00007f8c2edab397
[  470.944154][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdea253ac0
[  470.952440][   T27] RBP: 00007ffdea253ac0 R08: 00007ffdea254ac0 R09: 00000000ffffffff
[  470.960770][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdea254b50
[  470.968784][   T27] R13: 00007f8c2ee404bb R14: 000000000004ab94 R15: 00007ffdea254b90
[  470.977430][   T27]  </TASK>
[  470.981004][   T27] 
[  470.981004][   T27] Showing all locks held in the system:
[  470.988748][   T27] 1 lock held by khungtaskd/27:
[  470.994960][   T27]  #0: ffffffff8c31ef60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  471.004702][   T27] 2 locks held by getty/3948:
[  471.009409][   T27]  #0: ffff88814d03b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  471.022013][   T27]  #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x594/0x1a50
[  471.032538][   T27] 1 lock held by syz-executor/4323:
[  471.037798][   T27]  #0: ffff88807be6e0e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  471.051439][   T27] 2 locks held by syz.1.235/4619:
[  471.056609][   T27] 
[  471.058965][   T27] =============================================
[  471.058965][   T27] 
[  471.068941][   T27] NMI backtrace for cpu 1
[  471.073340][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  471.080566][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  471.090647][   T27] Call Trace:
[  471.093964][   T27]  <TASK>
[  471.096920][   T27]  dump_stack_lvl+0x188/0x250
[  471.101631][   T27]  ? show_regs_print_info+0x20/0x20
[  471.107165][   T27]  ? load_image+0x410/0x410
[  471.111726][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  471.117224][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  471.122376][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  471.127354][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  471.133541][   T27]  ? _printk+0xda/0x130
[  471.137730][   T27]  ? load_image+0x410/0x410
[  471.142264][   T27]  ? load_image+0x410/0x410
[  471.146799][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  471.152982][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  471.159003][   T27]  watchdog+0xe1b/0xe60
[  471.163267][   T27]  kthread+0x42e/0x520
[  471.167444][   T27]  ? hungtask_pm_notify+0x40/0x40
[  471.172525][   T27]  ? kthread_blkcg+0xd0/0xd0
[  471.177151][   T27]  ret_from_fork+0x1f/0x30
[  471.181617][   T27]  </TASK>
[  471.184968][   T27] Sending NMI from CPU 1 to CPUs 0:
[  471.190215][    C0] NMI backtrace for cpu 0
[  471.190228][    C0] CPU: 0 PID: 4619 Comm: syz.1.235 Not tainted syzkaller #0
[  471.190246][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  471.190255][    C0] RIP: 0010:lock_is_held_type+0xbd/0x190
[  471.190281][    C0] Code: 31 e4 49 83 fc 31 73 24 4c 89 ff 4c 89 f6 e8 fa 01 00 00 85 c0 75 2a 49 ff c4 48 63 83 e8 0a 00 00 49 83 c7 28 49 39 c4 7c d8 <eb> 11 48 c7 c7 80 e7 1e 8c 4c 89 e6 e8 e2 c8 47 fa eb cb 31 ed eb
[  471.190297][    C0] RSP: 0018:ffffc9000c4af720 EFLAGS: 00000046
[  471.190312][    C0] RAX: 0000000000000003 RBX: ffff888028d69dc0 RCX: 0000000000000000
[  471.190324][    C0] RDX: 0000000000000000 RSI: ffffffff8c3448b8 RDI: ffff888028d6a900
[  471.190336][    C0] RBP: 00000000ffffffff R08: dffffc0000000000 R09: 1ffffffff203e218
[  471.190348][    C0] R10: dffffc0000000000 R11: fffffbfff203e219 R12: 0000000000000003
[  471.190360][    C0] R13: 0000000000000246 R14: ffffffff8c3448b8 R15: ffff888028d6a928
[  471.190373][    C0] FS:  000055556e5e0500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  471.190388][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  471.190403][    C0] CR2: 00007f073f59f000 CR3: 0000000070c71000 CR4: 00000000003506f0
[  471.190420][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  471.190430][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  471.190442][    C0] Call Trace:
[  471.190448][    C0]  <TASK>
[  471.190456][    C0]  __cgroup_throttle_swaprate+0x1a2/0x530
[  471.190549][    C0]  shmem_add_to_page_cache+0xb7e/0x14d0
[  471.190603][    C0]  ? put_page+0x200/0x200
[  471.190621][    C0]  ? _raw_spin_lock_irq+0xb7/0xf0
[  471.190638][    C0]  ? _raw_spin_lock_irqsave+0x100/0x100
[  471.190656][    C0]  ? _raw_spin_unlock_irq+0x1f/0x40
[  471.190673][    C0]  ? lockdep_hardirqs_on+0x94/0x140
[  471.190692][    C0]  shmem_getpage_gfp+0x1735/0x2c10
[  471.190722][    C0]  shmem_write_begin+0xcd/0x1a0
[  471.190742][    C0]  generic_perform_write+0x2b6/0x550
[  471.190785][    C0]  ? grab_cache_page_write_begin+0xa0/0xa0
[  471.190803][    C0]  ? file_remove_privs+0x5d0/0x5d0
[  471.190829][    C0]  ? rwsem_write_trylock+0x135/0x1c0
[  471.190849][    C0]  ? clear_nonspinnable+0x60/0x60
[  471.190868][    C0]  __generic_file_write_iter+0x261/0x4e0
[  471.190884][    C0]  ? generic_write_checks+0x3be/0x460
[  471.190905][    C0]  generic_file_write_iter+0xa6/0x1b0
[  471.190922][    C0]  vfs_write+0x748/0xd70
[  471.190941][    C0]  ? file_end_write+0x250/0x250
[  471.190964][    C0]  ? __fdget_pos+0x1e2/0x370
[  471.190981][    C0]  ksys_write+0x153/0x260
[  471.191003][    C0]  ? __ia32_sys_read+0x80/0x80
[  471.191021][    C0]  ? lockdep_hardirqs_on+0x94/0x140
[  471.191040][    C0]  do_syscall_64+0x4c/0xa0
[  471.191056][    C0]  ? clear_bhb_loop+0x30/0x80
[  471.191074][    C0]  ? clear_bhb_loop+0x30/0x80
[  471.191092][    C0]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  471.191110][    C0] RIP: 0033:0x7f07472ff98e
[  471.191125][    C0] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[  471.191139][    C0] RSP: 002b:00007ffeff342fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  471.191156][    C0] RAX: ffffffffffffffda RBX: 000055556e5e0500 RCX: 00007f07472ff98e
[  471.191168][    C0] RDX: 0000000001000000 RSI: 00007f073e5a0000 RDI: 0000000000000003
[  471.191179][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  471.191189][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[  471.191200][    C0] R13: 00007ffeff343100 R14: 00007ffeff3430c0 R15: 00007f073e5a0000
[  471.191218][    C0]  </TASK>
[  471.211496][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  471.545816][ T4619] loop1: detected capacity change from 0 to 32768
[  471.550228][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  471.550250][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  471.550263][   T27] Call Trace:
[  471.550273][   T27]  <TASK>
[  471.550283][   T27]  dump_stack_lvl+0x188/0x250
[  471.584828][   T27]  ? show_regs_print_info+0x20/0x20
[  471.590047][   T27]  ? load_image+0x410/0x410
[  471.594560][   T27]  panic+0x2f8/0x850
[  471.598525][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  471.604181][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  471.608690][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  471.614335][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  471.620540][   T27]  watchdog+0xe5a/0xe60
[  471.624729][   T27]  kthread+0x42e/0x520
[  471.628820][   T27]  ? hungtask_pm_notify+0x40/0x40
[  471.633881][   T27]  ? kthread_blkcg+0xd0/0xd0
[  471.638505][   T27]  ret_from_fork+0x1f/0x30
[  471.642944][   T27]  </TASK>
[  471.646288][   T27] Kernel Offset: disabled
[  471.650683][   T27] Rebooting in 86400 seconds..