ed capacity change from 0 to 32768
[  204.412876][ T4640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  204.420325][ T4640] CPU: 1 PID: 4640 Comm: syz.1.171 Not tainted syzkaller #0
[  204.427637][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  204.437722][ T4640] Call Trace:
[  204.441041][ T4640]  <TASK>
[  204.444007][ T4640]  dump_stack_lvl+0x188/0x250
[  204.448720][ T4640]  ? show_regs_print_info+0x20/0x20
[  204.453954][ T4640]  ? load_image+0x400/0x400
[  204.458513][ T4640]  sysfs_create_dir_ns+0x26a/0x290
[  204.463671][ T4640]  ? sysfs_warn_dup+0xa0/0xa0
[  204.468381][ T4640]  ? do_raw_spin_unlock+0x11d/0x230
[  204.473617][ T4640]  kobject_add_internal+0x6e0/0xd90
[  204.478854][ T4640]  kobject_init_and_add+0x128/0x190
[  204.484091][ T4640]  ? lockdep_softirqs_off+0x430/0x430
[  204.489508][ T4640]  ? kobject_add+0x230/0x230
[  204.494136][ T4640]  ? __init_swait_queue_head+0xa5/0x150
[  204.499722][ T4640]  gfs2_sys_fs_add+0x24f/0x4b0
[  204.504525][ T4640]  ? gfs2_recover_set+0x240/0x240
[  204.509589][ T4640]  ? snprintf+0xe5/0x140
[  204.513863][ T4640]  ? __free_pages+0x95/0x1a0
[  204.518492][ T4640]  ? vscnprintf+0x80/0x80
[  204.522866][ T4640]  gfs2_fill_super+0x120f/0x1f00
[  204.527861][ T4640]  ? gfs2_reconfigure+0xd30/0xd30
[  204.533090][ T4640]  ? sb_set_blocksize+0xa5/0xe0
[  204.537994][ T4640]  get_tree_bdev+0x3f1/0x610
[  204.542640][ T4640]  ? gfs2_reconfigure+0xd30/0xd30
[  204.547700][ T4640]  gfs2_get_tree+0x4d/0x1e0
[  204.552247][ T4640]  vfs_get_tree+0x88/0x270
[  204.556712][ T4640]  do_new_mount+0x24a/0xa40
[  204.561269][ T4640]  __se_sys_mount+0x2e3/0x3d0
[  204.566089][ T4640]  ? __x64_sys_mount+0xc0/0xc0
[  204.570902][ T4640]  ? lockdep_hardirqs_on+0x94/0x140
[  204.576147][ T4640]  ? __x64_sys_mount+0x1c/0xc0
[  204.580951][ T4640]  do_syscall_64+0x4c/0xa0
[  204.585540][ T4640]  ? clear_bhb_loop+0x30/0x80
[  204.590253][ T4640]  ? clear_bhb_loop+0x30/0x80
[  204.595085][ T4640]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  204.601021][ T4640] RIP: 0033:0x7fa42fc95f4a
[  204.605485][ T4640] 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
[  204.625439][ T4640] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  204.633983][ T4640] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  204.641998][ T4640] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  204.650002][ T4640] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  204.658000][ T4640] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  204.666042][ T4640] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  204.674068][ T4640]  </TASK>
[  204.699012][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  204.715750][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  205.140124][ T4641] loop1: detected capacity change from 0 to 32768
[  205.170031][ T4641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.187426][ T4641] CPU: 1 PID: 4641 Comm: syz.1.172 Not tainted syzkaller #0
[  205.194769][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  205.204861][ T4641] Call Trace:
[  205.208171][ T4641]  <TASK>
[  205.211138][ T4641]  dump_stack_lvl+0x188/0x250
[  205.215962][ T4641]  ? show_regs_print_info+0x20/0x20
[  205.221209][ T4641]  ? load_image+0x400/0x400
[  205.225764][ T4641]  sysfs_create_dir_ns+0x26a/0x290
[  205.230910][ T4641]  ? sysfs_warn_dup+0xa0/0xa0
[  205.235622][ T4641]  ? do_raw_spin_unlock+0x11d/0x230
[  205.240863][ T4641]  kobject_add_internal+0x6e0/0xd90
[  205.246104][ T4641]  kobject_init_and_add+0x128/0x190
[  205.251342][ T4641]  ? lockdep_softirqs_off+0x430/0x430
[  205.256757][ T4641]  ? kobject_add+0x230/0x230
[  205.261384][ T4641]  ? __init_swait_queue_head+0xa5/0x150
[  205.266981][ T4641]  gfs2_sys_fs_add+0x24f/0x4b0
[  205.271791][ T4641]  ? gfs2_recover_set+0x240/0x240
[  205.276851][ T4641]  ? snprintf+0xe5/0x140
[  205.281132][ T4641]  ? __free_pages+0x95/0x1a0
[  205.285759][ T4641]  ? vscnprintf+0x80/0x80
[  205.290147][ T4641]  gfs2_fill_super+0x120f/0x1f00
[  205.295136][ T4641]  ? gfs2_reconfigure+0xd30/0xd30
[  205.300209][ T4641]  ? sb_set_blocksize+0xa5/0xe0
[  205.305095][ T4641]  get_tree_bdev+0x3f1/0x610
[  205.309727][ T4641]  ? gfs2_reconfigure+0xd30/0xd30
[  205.314787][ T4641]  gfs2_get_tree+0x4d/0x1e0
[  205.319328][ T4641]  vfs_get_tree+0x88/0x270
[  205.323779][ T4641]  do_new_mount+0x24a/0xa40
[  205.328319][ T4641]  __se_sys_mount+0x2e3/0x3d0
[  205.333037][ T4641]  ? __x64_sys_mount+0xc0/0xc0
[  205.337835][ T4641]  ? lockdep_hardirqs_on+0x94/0x140
[  205.343086][ T4641]  ? __x64_sys_mount+0x1c/0xc0
[  205.347991][ T4641]  do_syscall_64+0x4c/0xa0
[  205.352440][ T4641]  ? clear_bhb_loop+0x30/0x80
[  205.357143][ T4641]  ? clear_bhb_loop+0x30/0x80
[  205.361862][ T4641]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  205.367786][ T4641] RIP: 0033:0x7fa42fc95f4a
[  205.372227][ T4641] 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
[  205.391868][ T4641] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  205.400325][ T4641] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  205.408331][ T4641] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  205.416344][ T4641] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  205.424357][ T4641] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  205.432361][ T4641] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  205.440383][ T4641]  </TASK>
[  205.448732][ T4641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  205.462375][ T4641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  205.733823][ T4642] loop1: detected capacity change from 0 to 32768
[  205.783945][ T4642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  205.791806][ T4642] CPU: 1 PID: 4642 Comm: syz.1.173 Not tainted syzkaller #0
[  205.799137][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  205.809230][ T4642] Call Trace:
[  205.812534][ T4642]  <TASK>
[  205.815496][ T4642]  dump_stack_lvl+0x188/0x250
[  205.820221][ T4642]  ? show_regs_print_info+0x20/0x20
[  205.825456][ T4642]  ? load_image+0x400/0x400
[  205.830013][ T4642]  sysfs_create_dir_ns+0x26a/0x290
[  205.835168][ T4642]  ? sysfs_warn_dup+0xa0/0xa0
[  205.839878][ T4642]  ? do_raw_spin_unlock+0x11d/0x230
[  205.845161][ T4642]  kobject_add_internal+0x6e0/0xd90
[  205.850413][ T4642]  kobject_init_and_add+0x128/0x190
[  205.855648][ T4642]  ? lockdep_softirqs_off+0x430/0x430
[  205.861097][ T4642]  ? kobject_add+0x230/0x230
[  205.865729][ T4642]  ? __init_swait_queue_head+0xa5/0x150
[  205.871314][ T4642]  gfs2_sys_fs_add+0x24f/0x4b0
[  205.876110][ T4642]  ? gfs2_recover_set+0x240/0x240
[  205.881160][ T4642]  ? snprintf+0xe5/0x140
[  205.885431][ T4642]  ? __free_pages+0x95/0x1a0
[  205.890055][ T4642]  ? vscnprintf+0x80/0x80
[  205.894428][ T4642]  gfs2_fill_super+0x120f/0x1f00
[  205.899418][ T4642]  ? gfs2_reconfigure+0xd30/0xd30
[  205.904492][ T4642]  ? sb_set_blocksize+0xa5/0xe0
[  205.909371][ T4642]  get_tree_bdev+0x3f1/0x610
[  205.913996][ T4642]  ? gfs2_reconfigure+0xd30/0xd30
[  205.919058][ T4642]  gfs2_get_tree+0x4d/0x1e0
[  205.923605][ T4642]  vfs_get_tree+0x88/0x270
[  205.928061][ T4642]  do_new_mount+0x24a/0xa40
[  205.932623][ T4642]  __se_sys_mount+0x2e3/0x3d0
[  205.937351][ T4642]  ? __x64_sys_mount+0xc0/0xc0
[  205.942157][ T4642]  ? lockdep_hardirqs_on+0x94/0x140
[  205.947383][ T4642]  ? __x64_sys_mount+0x1c/0xc0
[  205.952178][ T4642]  do_syscall_64+0x4c/0xa0
[  205.956624][ T4642]  ? clear_bhb_loop+0x30/0x80
[  205.961417][ T4642]  ? clear_bhb_loop+0x30/0x80
[  205.966132][ T4642]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  205.972057][ T4642] RIP: 0033:0x7fa42fc95f4a
[  205.976496][ T4642] 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
[  205.996164][ T4642] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.004616][ T4642] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  206.012631][ T4642] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  206.020813][ T4642] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  206.028816][ T4642] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  206.036810][ T4642] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  206.044827][ T4642]  </TASK>
[  206.052305][ T4642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.066291][ T4642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  206.440647][ T4643] loop1: detected capacity change from 0 to 32768
[  206.472019][    T7] Bluetooth: hci0: command 0x0406 tx timeout
[  206.488850][ T4643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  206.496609][ T4643] CPU: 1 PID: 4643 Comm: syz.1.174 Not tainted syzkaller #0
[  206.504004][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  206.514102][ T4643] Call Trace:
[  206.517418][ T4643]  <TASK>
[  206.520384][ T4643]  dump_stack_lvl+0x188/0x250
[  206.525104][ T4643]  ? show_regs_print_info+0x20/0x20
[  206.530343][ T4643]  ? load_image+0x400/0x400
[  206.534985][ T4643]  sysfs_create_dir_ns+0x26a/0x290
[  206.540135][ T4643]  ? sysfs_warn_dup+0xa0/0xa0
[  206.544851][ T4643]  ? do_raw_spin_unlock+0x11d/0x230
[  206.550181][ T4643]  kobject_add_internal+0x6e0/0xd90
[  206.555432][ T4643]  kobject_init_and_add+0x128/0x190
[  206.560713][ T4643]  ? lockdep_softirqs_off+0x430/0x430
[  206.566128][ T4643]  ? kobject_add+0x230/0x230
[  206.570764][ T4643]  ? __init_swait_queue_head+0xa5/0x150
[  206.576359][ T4643]  gfs2_sys_fs_add+0x24f/0x4b0
[  206.581170][ T4643]  ? gfs2_recover_set+0x240/0x240
[  206.586235][ T4643]  ? snprintf+0xe5/0x140
[  206.590513][ T4643]  ? __free_pages+0x95/0x1a0
[  206.595136][ T4643]  ? vscnprintf+0x80/0x80
[  206.599516][ T4643]  gfs2_fill_super+0x120f/0x1f00
[  206.604527][ T4643]  ? gfs2_reconfigure+0xd30/0xd30
[  206.609604][ T4643]  ? sb_set_blocksize+0xa5/0xe0
[  206.614498][ T4643]  get_tree_bdev+0x3f1/0x610
[  206.619128][ T4643]  ? gfs2_reconfigure+0xd30/0xd30
[  206.624271][ T4643]  gfs2_get_tree+0x4d/0x1e0
[  206.628844][ T4643]  vfs_get_tree+0x88/0x270
[  206.633296][ T4643]  do_new_mount+0x24a/0xa40
[  206.637836][ T4643]  __se_sys_mount+0x2e3/0x3d0
[  206.642556][ T4643]  ? __x64_sys_mount+0xc0/0xc0
[  206.647362][ T4643]  ? lockdep_hardirqs_on+0x94/0x140
[  206.652588][ T4643]  ? __x64_sys_mount+0x1c/0xc0
[  206.657395][ T4643]  do_syscall_64+0x4c/0xa0
[  206.661842][ T4643]  ? clear_bhb_loop+0x30/0x80
[  206.666550][ T4643]  ? clear_bhb_loop+0x30/0x80
[  206.671258][ T4643]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  206.677175][ T4643] RIP: 0033:0x7fa42fc95f4a
[  206.681622][ T4643] 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
[  206.701363][ T4643] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  206.709819][ T4643] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  206.717918][ T4643] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  206.725930][ T4643] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  206.733953][ T4643] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  206.741960][ T4643] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  206.750042][ T4643]  </TASK>
[  206.755314][ T4643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  206.768936][ T4643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.099825][ T4644] loop1: detected capacity change from 0 to 32768
[  207.144750][ T4644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.152232][ T4644] CPU: 0 PID: 4644 Comm: syz.1.175 Not tainted syzkaller #0
[  207.159576][ T4644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  207.169661][ T4644] Call Trace:
[  207.172987][ T4644]  <TASK>
[  207.175961][ T4644]  dump_stack_lvl+0x188/0x250
[  207.180686][ T4644]  ? show_regs_print_info+0x20/0x20
[  207.185937][ T4644]  ? load_image+0x400/0x400
[  207.190482][ T4644]  sysfs_create_dir_ns+0x26a/0x290
[  207.195623][ T4644]  ? sysfs_warn_dup+0xa0/0xa0
[  207.200341][ T4644]  ? do_raw_spin_unlock+0x11d/0x230
[  207.205587][ T4644]  kobject_add_internal+0x6e0/0xd90
[  207.210836][ T4644]  kobject_init_and_add+0x128/0x190
[  207.216075][ T4644]  ? lockdep_softirqs_off+0x430/0x430
[  207.221490][ T4644]  ? kobject_add+0x230/0x230
[  207.226118][ T4644]  ? __init_swait_queue_head+0xa5/0x150
[  207.231706][ T4644]  gfs2_sys_fs_add+0x24f/0x4b0
[  207.236628][ T4644]  ? gfs2_recover_set+0x240/0x240
[  207.241690][ T4644]  ? snprintf+0xe5/0x140
[  207.245971][ T4644]  ? __free_pages+0x95/0x1a0
[  207.250604][ T4644]  ? vscnprintf+0x80/0x80
[  207.254988][ T4644]  gfs2_fill_super+0x120f/0x1f00
[  207.259976][ T4644]  ? gfs2_reconfigure+0xd30/0xd30
[  207.265054][ T4644]  ? sb_set_blocksize+0xa5/0xe0
[  207.269940][ T4644]  get_tree_bdev+0x3f1/0x610
[  207.274844][ T4644]  ? gfs2_reconfigure+0xd30/0xd30
[  207.279915][ T4644]  gfs2_get_tree+0x4d/0x1e0
[  207.284464][ T4644]  vfs_get_tree+0x88/0x270
[  207.288929][ T4644]  do_new_mount+0x24a/0xa40
[  207.293608][ T4644]  __se_sys_mount+0x2e3/0x3d0
[  207.298333][ T4644]  ? __x64_sys_mount+0xc0/0xc0
[  207.303140][ T4644]  ? lockdep_hardirqs_on+0x94/0x140
[  207.308369][ T4644]  ? __x64_sys_mount+0x1c/0xc0
[  207.313170][ T4644]  do_syscall_64+0x4c/0xa0
[  207.317613][ T4644]  ? clear_bhb_loop+0x30/0x80
[  207.322320][ T4644]  ? clear_bhb_loop+0x30/0x80
[  207.327054][ T4644]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  207.332987][ T4644] RIP: 0033:0x7fa42fc95f4a
[  207.337440][ T4644] 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
[  207.357078][ T4644] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.365533][ T4644] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  207.373572][ T4644] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  207.381582][ T4644] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  207.389585][ T4644] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  207.397765][ T4644] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  207.405782][ T4644]  </TASK>
[  207.414539][ T4644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  207.428407][ T4644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  207.699405][ T4645] loop1: detected capacity change from 0 to 32768
[  207.743820][ T4645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  207.755079][ T4645] CPU: 0 PID: 4645 Comm: syz.1.176 Not tainted syzkaller #0
[  207.762423][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  207.772586][ T4645] Call Trace:
[  207.775899][ T4645]  <TASK>
[  207.778864][ T4645]  dump_stack_lvl+0x188/0x250
[  207.783580][ T4645]  ? show_regs_print_info+0x20/0x20
[  207.788815][ T4645]  ? load_image+0x400/0x400
[  207.793389][ T4645]  sysfs_create_dir_ns+0x26a/0x290
[  207.798592][ T4645]  ? sysfs_warn_dup+0xa0/0xa0
[  207.803312][ T4645]  ? do_raw_spin_unlock+0x11d/0x230
[  207.808567][ T4645]  kobject_add_internal+0x6e0/0xd90
[  207.813815][ T4645]  kobject_init_and_add+0x128/0x190
[  207.819057][ T4645]  ? lockdep_softirqs_off+0x430/0x430
[  207.824479][ T4645]  ? kobject_add+0x230/0x230
[  207.829114][ T4645]  ? __init_swait_queue_head+0xa5/0x150
[  207.834699][ T4645]  gfs2_sys_fs_add+0x24f/0x4b0
[  207.839502][ T4645]  ? gfs2_recover_set+0x240/0x240
[  207.844590][ T4645]  ? snprintf+0xe5/0x140
[  207.848872][ T4645]  ? __free_pages+0x95/0x1a0
[  207.853497][ T4645]  ? vscnprintf+0x80/0x80
[  207.857880][ T4645]  gfs2_fill_super+0x120f/0x1f00
[  207.862871][ T4645]  ? gfs2_reconfigure+0xd30/0xd30
[  207.867952][ T4645]  ? sb_set_blocksize+0xa5/0xe0
[  207.872838][ T4645]  get_tree_bdev+0x3f1/0x610
[  207.877466][ T4645]  ? gfs2_reconfigure+0xd30/0xd30
[  207.882525][ T4645]  gfs2_get_tree+0x4d/0x1e0
[  207.887065][ T4645]  vfs_get_tree+0x88/0x270
[  207.891514][ T4645]  do_new_mount+0x24a/0xa40
[  207.896054][ T4645]  __se_sys_mount+0x2e3/0x3d0
[  207.900778][ T4645]  ? __x64_sys_mount+0xc0/0xc0
[  207.905590][ T4645]  ? lockdep_hardirqs_on+0x94/0x140
[  207.910823][ T4645]  ? __x64_sys_mount+0x1c/0xc0
[  207.915630][ T4645]  do_syscall_64+0x4c/0xa0
[  207.920082][ T4645]  ? clear_bhb_loop+0x30/0x80
[  207.924793][ T4645]  ? clear_bhb_loop+0x30/0x80
[  207.929505][ T4645]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  207.935433][ T4645] RIP: 0033:0x7fa42fc95f4a
[  207.939883][ T4645] 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
[  207.959531][ T4645] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  207.967993][ T4645] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  207.976001][ T4645] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  207.984010][ T4645] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  207.992021][ T4645] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  208.000023][ T4645] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  208.008041][ T4645]  </TASK>
[  208.018646][ T4645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.034053][ T4645] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 05:28:36 executed programs: 162
[  208.373233][ T4646] loop1: detected capacity change from 0 to 32768
[  208.423600][ T4646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  208.431040][ T4646] CPU: 0 PID: 4646 Comm: syz.1.177 Not tainted syzkaller #0
[  208.438364][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  208.448458][ T4646] Call Trace:
[  208.451770][ T4646]  <TASK>
[  208.454726][ T4646]  dump_stack_lvl+0x188/0x250
[  208.459444][ T4646]  ? show_regs_print_info+0x20/0x20
[  208.464681][ T4646]  ? load_image+0x400/0x400
[  208.469244][ T4646]  sysfs_create_dir_ns+0x26a/0x290
[  208.474485][ T4646]  ? sysfs_warn_dup+0xa0/0xa0
[  208.479205][ T4646]  ? do_raw_spin_unlock+0x11d/0x230
[  208.484453][ T4646]  kobject_add_internal+0x6e0/0xd90
[  208.489710][ T4646]  kobject_init_and_add+0x128/0x190
[  208.494949][ T4646]  ? lockdep_softirqs_off+0x430/0x430
[  208.500369][ T4646]  ? kobject_add+0x230/0x230
[  208.505015][ T4646]  ? __init_swait_queue_head+0xa5/0x150
[  208.510609][ T4646]  gfs2_sys_fs_add+0x24f/0x4b0
[  208.515411][ T4646]  ? gfs2_recover_set+0x240/0x240
[  208.520480][ T4646]  ? snprintf+0xe5/0x140
[  208.524759][ T4646]  ? __free_pages+0x95/0x1a0
[  208.529388][ T4646]  ? vscnprintf+0x80/0x80
[  208.533770][ T4646]  gfs2_fill_super+0x120f/0x1f00
[  208.538755][ T4646]  ? gfs2_reconfigure+0xd30/0xd30
[  208.543832][ T4646]  ? sb_set_blocksize+0xa5/0xe0
[  208.548718][ T4646]  get_tree_bdev+0x3f1/0x610
[  208.553462][ T4646]  ? gfs2_reconfigure+0xd30/0xd30
[  208.558534][ T4646]  gfs2_get_tree+0x4d/0x1e0
[  208.563085][ T4646]  vfs_get_tree+0x88/0x270
[  208.567546][ T4646]  do_new_mount+0x24a/0xa40
[  208.572190][ T4646]  __se_sys_mount+0x2e3/0x3d0
[  208.576912][ T4646]  ? __x64_sys_mount+0xc0/0xc0
[  208.581717][ T4646]  ? lockdep_hardirqs_on+0x94/0x140
[  208.586957][ T4646]  ? __x64_sys_mount+0x1c/0xc0
[  208.591764][ T4646]  do_syscall_64+0x4c/0xa0
[  208.596212][ T4646]  ? clear_bhb_loop+0x30/0x80
[  208.600917][ T4646]  ? clear_bhb_loop+0x30/0x80
[  208.605631][ T4646]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  208.611554][ T4646] RIP: 0033:0x7fa42fc95f4a
[  208.615998][ T4646] 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
[  208.635642][ T4646] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  208.644096][ T4646] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  208.652103][ T4646] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  208.660113][ T4646] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  208.668119][ T4646] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  208.676123][ T4646] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  208.684149][ T4646]  </TASK>
[  208.689569][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  208.703032][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.109208][ T4647] loop1: detected capacity change from 0 to 32768
[  209.130257][ T4647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.140142][ T4647] CPU: 0 PID: 4647 Comm: syz.1.178 Not tainted syzkaller #0
[  209.147495][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  209.157796][ T4647] Call Trace:
[  209.161114][ T4647]  <TASK>
[  209.164080][ T4647]  dump_stack_lvl+0x188/0x250
[  209.168809][ T4647]  ? show_regs_print_info+0x20/0x20
[  209.174099][ T4647]  ? load_image+0x400/0x400
[  209.178673][ T4647]  sysfs_create_dir_ns+0x26a/0x290
[  209.183830][ T4647]  ? sysfs_warn_dup+0xa0/0xa0
[  209.188548][ T4647]  ? do_raw_spin_unlock+0x11d/0x230
[  209.193793][ T4647]  kobject_add_internal+0x6e0/0xd90
[  209.199033][ T4647]  kobject_init_and_add+0x128/0x190
[  209.204277][ T4647]  ? lockdep_softirqs_off+0x430/0x430
[  209.209694][ T4647]  ? kobject_add+0x230/0x230
[  209.214328][ T4647]  ? __init_swait_queue_head+0xa5/0x150
[  209.219913][ T4647]  gfs2_sys_fs_add+0x24f/0x4b0
[  209.224711][ T4647]  ? gfs2_recover_set+0x240/0x240
[  209.229764][ T4647]  ? snprintf+0xe5/0x140
[  209.234037][ T4647]  ? __free_pages+0x95/0x1a0
[  209.238672][ T4647]  ? vscnprintf+0x80/0x80
[  209.243049][ T4647]  gfs2_fill_super+0x120f/0x1f00
[  209.248050][ T4647]  ? gfs2_reconfigure+0xd30/0xd30
[  209.253132][ T4647]  ? sb_set_blocksize+0xa5/0xe0
[  209.258032][ T4647]  get_tree_bdev+0x3f1/0x610
[  209.262660][ T4647]  ? gfs2_reconfigure+0xd30/0xd30
[  209.267728][ T4647]  gfs2_get_tree+0x4d/0x1e0
[  209.272286][ T4647]  vfs_get_tree+0x88/0x270
[  209.276744][ T4647]  do_new_mount+0x24a/0xa40
[  209.281300][ T4647]  __se_sys_mount+0x2e3/0x3d0
[  209.286016][ T4647]  ? __x64_sys_mount+0xc0/0xc0
[  209.290822][ T4647]  ? lockdep_hardirqs_on+0x94/0x140
[  209.296055][ T4647]  ? __x64_sys_mount+0x1c/0xc0
[  209.300857][ T4647]  do_syscall_64+0x4c/0xa0
[  209.305307][ T4647]  ? clear_bhb_loop+0x30/0x80
[  209.310015][ T4647]  ? clear_bhb_loop+0x30/0x80
[  209.314744][ T4647]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  209.320666][ T4647] RIP: 0033:0x7fa42fc95f4a
[  209.325111][ T4647] 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
[  209.344763][ T4647] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  209.353230][ T4647] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  209.361254][ T4647] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  209.369260][ T4647] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  209.377251][ T4647] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  209.385224][ T4647] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  209.393205][ T4647]  </TASK>
[  209.398141][ T4647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  209.411339][ T4647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  209.780915][ T4648] loop1: detected capacity change from 0 to 32768
[  209.836046][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  209.843722][ T4648] CPU: 1 PID: 4648 Comm: syz.1.179 Not tainted syzkaller #0
[  209.851066][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  209.861159][ T4648] Call Trace:
[  209.864523][ T4648]  <TASK>
[  209.867548][ T4648]  dump_stack_lvl+0x188/0x250
[  209.872289][ T4648]  ? show_regs_print_info+0x20/0x20
[  209.877528][ T4648]  ? load_image+0x400/0x400
[  209.882094][ T4648]  sysfs_create_dir_ns+0x26a/0x290
[  209.887251][ T4648]  ? sysfs_warn_dup+0xa0/0xa0
[  209.892063][ T4648]  ? do_raw_spin_unlock+0x11d/0x230
[  209.897302][ T4648]  kobject_add_internal+0x6e0/0xd90
[  209.902551][ T4648]  kobject_init_and_add+0x128/0x190
[  209.907792][ T4648]  ? lockdep_softirqs_off+0x430/0x430
[  209.913205][ T4648]  ? kobject_add+0x230/0x230
[  209.917842][ T4648]  ? __init_swait_queue_head+0xa5/0x150
[  209.923445][ T4648]  gfs2_sys_fs_add+0x24f/0x4b0
[  209.928337][ T4648]  ? gfs2_recover_set+0x240/0x240
[  209.933408][ T4648]  ? snprintf+0xe5/0x140
[  209.937704][ T4648]  ? __free_pages+0x95/0x1a0
[  209.942330][ T4648]  ? vscnprintf+0x80/0x80
[  209.946713][ T4648]  gfs2_fill_super+0x120f/0x1f00
[  209.951695][ T4648]  ? gfs2_reconfigure+0xd30/0xd30
[  209.956767][ T4648]  ? sb_set_blocksize+0xa5/0xe0
[  209.961647][ T4648]  get_tree_bdev+0x3f1/0x610
[  209.966271][ T4648]  ? gfs2_reconfigure+0xd30/0xd30
[  209.971357][ T4648]  gfs2_get_tree+0x4d/0x1e0
[  209.975912][ T4648]  vfs_get_tree+0x88/0x270
[  209.980367][ T4648]  do_new_mount+0x24a/0xa40
[  209.984917][ T4648]  __se_sys_mount+0x2e3/0x3d0
[  209.989668][ T4648]  ? __x64_sys_mount+0xc0/0xc0
[  209.994475][ T4648]  ? lockdep_hardirqs_on+0x94/0x140
[  209.999722][ T4648]  ? __x64_sys_mount+0x1c/0xc0
[  210.004519][ T4648]  do_syscall_64+0x4c/0xa0
[  210.008975][ T4648]  ? clear_bhb_loop+0x30/0x80
[  210.013689][ T4648]  ? clear_bhb_loop+0x30/0x80
[  210.018401][ T4648]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  210.024323][ T4648] RIP: 0033:0x7fa42fc95f4a
[  210.028765][ T4648] 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
[  210.048401][ T4648] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.056850][ T4648] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  210.064855][ T4648] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  210.073249][ T4648] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  210.081445][ T4648] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  210.089456][ T4648] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  210.097501][ T4648]  </TASK>
[  210.107197][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.120445][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  210.475092][ T4649] loop1: detected capacity change from 0 to 32768
[  210.526665][ T4649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  210.541994][ T4649] CPU: 1 PID: 4649 Comm: syz.1.180 Not tainted syzkaller #0
[  210.549345][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  210.559441][ T4649] Call Trace:
[  210.562758][ T4649]  <TASK>
[  210.565721][ T4649]  dump_stack_lvl+0x188/0x250
[  210.570443][ T4649]  ? show_regs_print_info+0x20/0x20
[  210.575683][ T4649]  ? load_image+0x400/0x400
[  210.580388][ T4649]  sysfs_create_dir_ns+0x26a/0x290
[  210.585546][ T4649]  ? sysfs_warn_dup+0xa0/0xa0
[  210.590266][ T4649]  ? do_raw_spin_unlock+0x11d/0x230
[  210.595956][ T4649]  kobject_add_internal+0x6e0/0xd90
[  210.601204][ T4649]  kobject_init_and_add+0x128/0x190
[  210.606501][ T4649]  ? lockdep_softirqs_off+0x430/0x430
[  210.611957][ T4649]  ? kobject_add+0x230/0x230
[  210.616597][ T4649]  ? __init_swait_queue_head+0xa5/0x150
[  210.622198][ T4649]  gfs2_sys_fs_add+0x24f/0x4b0
[  210.627094][ T4649]  ? gfs2_recover_set+0x240/0x240
[  210.632147][ T4649]  ? snprintf+0xe5/0x140
[  210.636427][ T4649]  ? __free_pages+0x95/0x1a0
[  210.641051][ T4649]  ? vscnprintf+0x80/0x80
[  210.645431][ T4649]  gfs2_fill_super+0x120f/0x1f00
[  210.650421][ T4649]  ? gfs2_reconfigure+0xd30/0xd30
[  210.655498][ T4649]  ? sb_set_blocksize+0xa5/0xe0
[  210.660572][ T4649]  get_tree_bdev+0x3f1/0x610
[  210.665198][ T4649]  ? gfs2_reconfigure+0xd30/0xd30
[  210.670256][ T4649]  gfs2_get_tree+0x4d/0x1e0
[  210.674808][ T4649]  vfs_get_tree+0x88/0x270
[  210.679262][ T4649]  do_new_mount+0x24a/0xa40
[  210.683817][ T4649]  __se_sys_mount+0x2e3/0x3d0
[  210.688536][ T4649]  ? __x64_sys_mount+0xc0/0xc0
[  210.693345][ T4649]  ? lockdep_hardirqs_on+0x94/0x140
[  210.698576][ T4649]  ? __x64_sys_mount+0x1c/0xc0
[  210.703424][ T4649]  do_syscall_64+0x4c/0xa0
[  210.707871][ T4649]  ? clear_bhb_loop+0x30/0x80
[  210.712596][ T4649]  ? clear_bhb_loop+0x30/0x80
[  210.717318][ T4649]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  210.723239][ T4649] RIP: 0033:0x7fa42fc95f4a
[  210.727691][ T4649] 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
[  210.747455][ T4649] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  210.755915][ T4649] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  210.763922][ T4649] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  210.772028][ T4649] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  210.780037][ T4649] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  210.788042][ T4649] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  210.796068][ T4649]  </TASK>
[  210.801796][ T4649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  210.815533][ T4649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.126468][ T4650] loop1: detected capacity change from 0 to 32768
[  211.187214][ T4650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.214240][ T4650] CPU: 0 PID: 4650 Comm: syz.1.181 Not tainted syzkaller #0
[  211.221684][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  211.231950][ T4650] Call Trace:
[  211.235268][ T4650]  <TASK>
[  211.238234][ T4650]  dump_stack_lvl+0x188/0x250
[  211.242956][ T4650]  ? show_regs_print_info+0x20/0x20
[  211.248185][ T4650]  ? load_image+0x400/0x400
[  211.252753][ T4650]  sysfs_create_dir_ns+0x26a/0x290
[  211.257948][ T4650]  ? sysfs_warn_dup+0xa0/0xa0
[  211.262661][ T4650]  ? do_raw_spin_unlock+0x11d/0x230
[  211.267908][ T4650]  kobject_add_internal+0x6e0/0xd90
[  211.273146][ T4650]  kobject_init_and_add+0x128/0x190
[  211.278383][ T4650]  ? lockdep_softirqs_off+0x430/0x430
[  211.283796][ T4650]  ? kobject_add+0x230/0x230
[  211.288436][ T4650]  ? __init_swait_queue_head+0xa5/0x150
[  211.294025][ T4650]  gfs2_sys_fs_add+0x24f/0x4b0
[  211.298822][ T4650]  ? gfs2_recover_set+0x240/0x240
[  211.303881][ T4650]  ? snprintf+0xe5/0x140
[  211.308160][ T4650]  ? __free_pages+0x95/0x1a0
[  211.312792][ T4650]  ? vscnprintf+0x80/0x80
[  211.317174][ T4650]  gfs2_fill_super+0x120f/0x1f00
[  211.322157][ T4650]  ? gfs2_reconfigure+0xd30/0xd30
[  211.327238][ T4650]  ? sb_set_blocksize+0xa5/0xe0
[  211.332120][ T4650]  get_tree_bdev+0x3f1/0x610
[  211.336748][ T4650]  ? gfs2_reconfigure+0xd30/0xd30
[  211.341811][ T4650]  gfs2_get_tree+0x4d/0x1e0
[  211.346364][ T4650]  vfs_get_tree+0x88/0x270
[  211.350821][ T4650]  do_new_mount+0x24a/0xa40
[  211.355409][ T4650]  __se_sys_mount+0x2e3/0x3d0
[  211.360126][ T4650]  ? __x64_sys_mount+0xc0/0xc0
[  211.364950][ T4650]  ? lockdep_hardirqs_on+0x94/0x140
[  211.370266][ T4650]  ? __x64_sys_mount+0x1c/0xc0
[  211.375068][ T4650]  do_syscall_64+0x4c/0xa0
[  211.379628][ T4650]  ? clear_bhb_loop+0x30/0x80
[  211.384347][ T4650]  ? clear_bhb_loop+0x30/0x80
[  211.389059][ T4650]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  211.394985][ T4650] RIP: 0033:0x7fa42fc95f4a
[  211.399429][ T4650] 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
[  211.419071][ T4650] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  211.427540][ T4650] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  211.435553][ T4650] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  211.443552][ T4650] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  211.451546][ T4650] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  211.459539][ T4650] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  211.467551][ T4650]  </TASK>
[  211.471536][ T4650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  211.485147][ T4650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  211.868228][ T4651] loop1: detected capacity change from 0 to 32768
[  211.923482][ T4651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  211.932581][ T4651] CPU: 0 PID: 4651 Comm: syz.1.182 Not tainted syzkaller #0
[  211.939917][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  211.950009][ T4651] Call Trace:
[  211.953409][ T4651]  <TASK>
[  211.956370][ T4651]  dump_stack_lvl+0x188/0x250
[  211.961098][ T4651]  ? show_regs_print_info+0x20/0x20
[  211.966358][ T4651]  ? load_image+0x400/0x400
[  211.970955][ T4651]  sysfs_create_dir_ns+0x26a/0x290
[  211.976110][ T4651]  ? sysfs_warn_dup+0xa0/0xa0
[  211.980835][ T4651]  ? do_raw_spin_unlock+0x11d/0x230
[  211.986079][ T4651]  kobject_add_internal+0x6e0/0xd90
[  211.991334][ T4651]  kobject_init_and_add+0x128/0x190
[  211.996568][ T4651]  ? lockdep_softirqs_off+0x430/0x430
[  212.001985][ T4651]  ? kobject_add+0x230/0x230
[  212.006618][ T4651]  ? __init_swait_queue_head+0xa5/0x150
[  212.012385][ T4651]  gfs2_sys_fs_add+0x24f/0x4b0
[  212.017196][ T4651]  ? gfs2_recover_set+0x240/0x240
[  212.022256][ T4651]  ? snprintf+0xe5/0x140
[  212.026534][ T4651]  ? __free_pages+0x95/0x1a0
[  212.031167][ T4651]  ? vscnprintf+0x80/0x80
[  212.035541][ T4651]  gfs2_fill_super+0x120f/0x1f00
[  212.040529][ T4651]  ? gfs2_reconfigure+0xd30/0xd30
[  212.045604][ T4651]  ? sb_set_blocksize+0xa5/0xe0
[  212.050498][ T4651]  get_tree_bdev+0x3f1/0x610
[  212.055124][ T4651]  ? gfs2_reconfigure+0xd30/0xd30
[  212.060190][ T4651]  gfs2_get_tree+0x4d/0x1e0
[  212.064732][ T4651]  vfs_get_tree+0x88/0x270
[  212.069183][ T4651]  do_new_mount+0x24a/0xa40
[  212.073750][ T4651]  __se_sys_mount+0x2e3/0x3d0
[  212.078475][ T4651]  ? __x64_sys_mount+0xc0/0xc0
[  212.083280][ T4651]  ? lockdep_hardirqs_on+0x94/0x140
[  212.088507][ T4651]  ? __x64_sys_mount+0x1c/0xc0
[  212.093302][ T4651]  do_syscall_64+0x4c/0xa0
[  212.097744][ T4651]  ? clear_bhb_loop+0x30/0x80
[  212.102451][ T4651]  ? clear_bhb_loop+0x30/0x80
[  212.107254][ T4651]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  212.113176][ T4651] RIP: 0033:0x7fa42fc95f4a
[  212.117617][ T4651] 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
[  212.137251][ T4651] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.145699][ T4651] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  212.153698][ T4651] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  212.161696][ T4651] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  212.169692][ T4651] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  212.177689][ T4651] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  212.185707][ T4651]  </TASK>
[  212.191685][ T4651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.204936][ T4651] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  212.609068][ T4652] loop1: detected capacity change from 0 to 32768
[  212.628367][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  212.636812][ T4652] CPU: 1 PID: 4652 Comm: syz.1.183 Not tainted syzkaller #0
[  212.644144][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  212.654231][ T4652] Call Trace:
[  212.657677][ T4652]  <TASK>
[  212.660644][ T4652]  dump_stack_lvl+0x188/0x250
[  212.665366][ T4652]  ? show_regs_print_info+0x20/0x20
[  212.670608][ T4652]  ? load_image+0x400/0x400
[  212.675173][ T4652]  sysfs_create_dir_ns+0x26a/0x290
[  212.680324][ T4652]  ? sysfs_warn_dup+0xa0/0xa0
[  212.685049][ T4652]  ? do_raw_spin_unlock+0x11d/0x230
[  212.690295][ T4652]  kobject_add_internal+0x6e0/0xd90
[  212.695547][ T4652]  kobject_init_and_add+0x128/0x190
[  212.700784][ T4652]  ? lockdep_softirqs_off+0x430/0x430
[  212.706204][ T4652]  ? kobject_add+0x230/0x230
[  212.710850][ T4652]  ? __init_swait_queue_head+0xa5/0x150
[  212.716445][ T4652]  gfs2_sys_fs_add+0x24f/0x4b0
[  212.721248][ T4652]  ? gfs2_recover_set+0x240/0x240
[  212.726321][ T4652]  ? snprintf+0xe5/0x140
[  212.730602][ T4652]  ? __free_pages+0x95/0x1a0
[  212.735231][ T4652]  ? vscnprintf+0x80/0x80
[  212.739872][ T4652]  gfs2_fill_super+0x120f/0x1f00
[  212.744863][ T4652]  ? gfs2_reconfigure+0xd30/0xd30
[  212.749953][ T4652]  ? sb_set_blocksize+0xa5/0xe0
[  212.754845][ T4652]  get_tree_bdev+0x3f1/0x610
[  212.759481][ T4652]  ? gfs2_reconfigure+0xd30/0xd30
[  212.764553][ T4652]  gfs2_get_tree+0x4d/0x1e0
[  212.769099][ T4652]  vfs_get_tree+0x88/0x270
[  212.773554][ T4652]  do_new_mount+0x24a/0xa40
[  212.778101][ T4652]  __se_sys_mount+0x2e3/0x3d0
[  212.782819][ T4652]  ? __x64_sys_mount+0xc0/0xc0
[  212.787621][ T4652]  ? lockdep_hardirqs_on+0x94/0x140
[  212.792851][ T4652]  ? __x64_sys_mount+0x1c/0xc0
[  212.797652][ T4652]  do_syscall_64+0x4c/0xa0
[  212.802099][ T4652]  ? clear_bhb_loop+0x30/0x80
[  212.806802][ T4652]  ? clear_bhb_loop+0x30/0x80
[  212.811506][ T4652]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  212.817429][ T4652] RIP: 0033:0x7fa42fc95f4a
[  212.821869][ T4652] 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
[  212.841593][ T4652] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  212.850055][ T4652] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  212.858062][ T4652] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  212.866508][ T4652] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  212.874511][ T4652] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  212.882513][ T4652] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  212.890538][ T4652]  </TASK>
[  212.899289][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  212.915190][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  213.184896][ T4653] loop1: detected capacity change from 0 to 32768
[  213.248900][ T4653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.257766][ T4653] CPU: 0 PID: 4653 Comm: syz.1.184 Not tainted syzkaller #0
[  213.265110][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  213.275210][ T4653] Call Trace:
[  213.278534][ T4653]  <TASK>
[  213.281498][ T4653]  dump_stack_lvl+0x188/0x250
[  213.286310][ T4653]  ? show_regs_print_info+0x20/0x20
[  213.291667][ T4653]  ? load_image+0x400/0x400
[  213.296226][ T4653]  sysfs_create_dir_ns+0x26a/0x290
[  213.301391][ T4653]  ? sysfs_warn_dup+0xa0/0xa0
[  213.306293][ T4653]  ? do_raw_spin_unlock+0x11d/0x230
[  213.311541][ T4653]  kobject_add_internal+0x6e0/0xd90
[  213.316787][ T4653]  kobject_init_and_add+0x128/0x190
[  213.322033][ T4653]  ? lockdep_softirqs_off+0x430/0x430
[  213.327540][ T4653]  ? kobject_add+0x230/0x230
[  213.332436][ T4653]  ? __init_swait_queue_head+0xa5/0x150
[  213.338114][ T4653]  gfs2_sys_fs_add+0x24f/0x4b0
[  213.342919][ T4653]  ? gfs2_recover_set+0x240/0x240
[  213.347985][ T4653]  ? snprintf+0xe5/0x140
[  213.352277][ T4653]  ? __free_pages+0x95/0x1a0
[  213.356912][ T4653]  ? vscnprintf+0x80/0x80
[  213.361293][ T4653]  gfs2_fill_super+0x120f/0x1f00
[  213.366284][ T4653]  ? gfs2_reconfigure+0xd30/0xd30
[  213.371368][ T4653]  ? sb_set_blocksize+0xa5/0xe0
[  213.376254][ T4653]  get_tree_bdev+0x3f1/0x610
[  213.380881][ T4653]  ? gfs2_reconfigure+0xd30/0xd30
[  213.385951][ T4653]  gfs2_get_tree+0x4d/0x1e0
[  213.390580][ T4653]  vfs_get_tree+0x88/0x270
[  213.395052][ T4653]  do_new_mount+0x24a/0xa40
[  213.399601][ T4653]  __se_sys_mount+0x2e3/0x3d0
[  213.404324][ T4653]  ? __x64_sys_mount+0xc0/0xc0
[  213.409132][ T4653]  ? lockdep_hardirqs_on+0x94/0x140
[  213.414366][ T4653]  ? __x64_sys_mount+0x1c/0xc0
[  213.419171][ T4653]  do_syscall_64+0x4c/0xa0
[  213.423680][ T4653]  ? clear_bhb_loop+0x30/0x80
[  213.428397][ T4653]  ? clear_bhb_loop+0x30/0x80
[  213.433110][ T4653]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  213.439033][ T4653] RIP: 0033:0x7fa42fc95f4a
[  213.443478][ T4653] 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
[  213.463220][ T4653] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  213.471682][ T4653] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  213.479688][ T4653] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  213.487800][ T4653] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  213.495802][ T4653] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  213.503801][ T4653] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  213.511818][ T4653]  </TASK>
[  213.517474][ T4653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  213.531075][ T4653] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 05:28:41 executed programs: 170
[  213.863311][ T4654] loop1: detected capacity change from 0 to 32768
[  213.912996][ T4654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  213.920597][ T4654] CPU: 0 PID: 4654 Comm: syz.1.185 Not tainted syzkaller #0
[  213.928005][ T4654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  213.938096][ T4654] Call Trace:
[  213.941406][ T4654]  <TASK>
[  213.944374][ T4654]  dump_stack_lvl+0x188/0x250
[  213.949177][ T4654]  ? show_regs_print_info+0x20/0x20
[  213.954422][ T4654]  ? load_image+0x400/0x400
[  213.958975][ T4654]  sysfs_create_dir_ns+0x26a/0x290
[  213.964126][ T4654]  ? sysfs_warn_dup+0xa0/0xa0
[  213.968844][ T4654]  ? do_raw_spin_unlock+0x11d/0x230
[  213.974087][ T4654]  kobject_add_internal+0x6e0/0xd90
[  213.979330][ T4654]  kobject_init_and_add+0x128/0x190
[  213.984566][ T4654]  ? lockdep_softirqs_off+0x430/0x430
[  213.989980][ T4654]  ? kobject_add+0x230/0x230
[  213.994608][ T4654]  ? __init_swait_queue_head+0xa5/0x150
[  214.000200][ T4654]  gfs2_sys_fs_add+0x24f/0x4b0
[  214.005282][ T4654]  ? gfs2_recover_set+0x240/0x240
[  214.010339][ T4654]  ? snprintf+0xe5/0x140
[  214.014611][ T4654]  ? __free_pages+0x95/0x1a0
[  214.019240][ T4654]  ? vscnprintf+0x80/0x80
[  214.023612][ T4654]  gfs2_fill_super+0x120f/0x1f00
[  214.028600][ T4654]  ? gfs2_reconfigure+0xd30/0xd30
[  214.033681][ T4654]  ? sb_set_blocksize+0xa5/0xe0
[  214.038564][ T4654]  get_tree_bdev+0x3f1/0x610
[  214.043193][ T4654]  ? gfs2_reconfigure+0xd30/0xd30
[  214.048254][ T4654]  gfs2_get_tree+0x4d/0x1e0
[  214.052801][ T4654]  vfs_get_tree+0x88/0x270
[  214.057263][ T4654]  do_new_mount+0x24a/0xa40
[  214.061806][ T4654]  __se_sys_mount+0x2e3/0x3d0
[  214.066523][ T4654]  ? __x64_sys_mount+0xc0/0xc0
[  214.071321][ T4654]  ? lockdep_hardirqs_on+0x94/0x140
[  214.076549][ T4654]  ? __x64_sys_mount+0x1c/0xc0
[  214.081350][ T4654]  do_syscall_64+0x4c/0xa0
[  214.085798][ T4654]  ? clear_bhb_loop+0x30/0x80
[  214.090528][ T4654]  ? clear_bhb_loop+0x30/0x80
[  214.095239][ T4654]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.101158][ T4654] RIP: 0033:0x7fa42fc95f4a
[  214.105610][ T4654] 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
[  214.125248][ T4654] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.133698][ T4654] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  214.141704][ T4654] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  214.149703][ T4654] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  214.157704][ T4654] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  214.165704][ T4654] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  214.173719][ T4654]  </TASK>
[  214.182767][ T4654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.196369][ T4654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  214.578702][ T4655] loop1: detected capacity change from 0 to 32768
[  214.644709][ T4655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  214.652520][ T4655] CPU: 0 PID: 4655 Comm: syz.1.186 Not tainted syzkaller #0
[  214.659941][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  214.670025][ T4655] Call Trace:
[  214.673337][ T4655]  <TASK>
[  214.676295][ T4655]  dump_stack_lvl+0x188/0x250
[  214.681010][ T4655]  ? show_regs_print_info+0x20/0x20
[  214.686251][ T4655]  ? load_image+0x400/0x400
[  214.690899][ T4655]  sysfs_create_dir_ns+0x26a/0x290
[  214.696051][ T4655]  ? sysfs_warn_dup+0xa0/0xa0
[  214.700863][ T4655]  ? do_raw_spin_unlock+0x11d/0x230
[  214.706109][ T4655]  kobject_add_internal+0x6e0/0xd90
[  214.711365][ T4655]  kobject_init_and_add+0x128/0x190
[  214.716604][ T4655]  ? lockdep_softirqs_off+0x430/0x430
[  214.722021][ T4655]  ? kobject_add+0x230/0x230
[  214.726654][ T4655]  ? __init_swait_queue_head+0xa5/0x150
[  214.732253][ T4655]  gfs2_sys_fs_add+0x24f/0x4b0
[  214.737057][ T4655]  ? gfs2_recover_set+0x240/0x240
[  214.742125][ T4655]  ? snprintf+0xe5/0x140
[  214.746422][ T4655]  ? __free_pages+0x95/0x1a0
[  214.751138][ T4655]  ? vscnprintf+0x80/0x80
[  214.755604][ T4655]  gfs2_fill_super+0x120f/0x1f00
[  214.760592][ T4655]  ? gfs2_reconfigure+0xd30/0xd30
[  214.765673][ T4655]  ? sb_set_blocksize+0xa5/0xe0
[  214.770559][ T4655]  get_tree_bdev+0x3f1/0x610
[  214.775200][ T4655]  ? gfs2_reconfigure+0xd30/0xd30
[  214.780366][ T4655]  gfs2_get_tree+0x4d/0x1e0
[  214.784921][ T4655]  vfs_get_tree+0x88/0x270
[  214.789377][ T4655]  do_new_mount+0x24a/0xa40
[  214.793924][ T4655]  __se_sys_mount+0x2e3/0x3d0
[  214.798637][ T4655]  ? __x64_sys_mount+0xc0/0xc0
[  214.803450][ T4655]  ? lockdep_hardirqs_on+0x94/0x140
[  214.808686][ T4655]  ? __x64_sys_mount+0x1c/0xc0
[  214.813764][ T4655]  do_syscall_64+0x4c/0xa0
[  214.818215][ T4655]  ? clear_bhb_loop+0x30/0x80
[  214.822923][ T4655]  ? clear_bhb_loop+0x30/0x80
[  214.828364][ T4655]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  214.834294][ T4655] RIP: 0033:0x7fa42fc95f4a
[  214.838742][ T4655] 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
[  214.858379][ T4655] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  214.866842][ T4655] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  214.874859][ T4655] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  214.882866][ T4655] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  214.890938][ T4655] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  214.898943][ T4655] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  214.906956][ T4655]  </TASK>
[  214.912191][ T4655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  214.925469][ T4655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.321939][ T4656] loop1: detected capacity change from 0 to 32768
[  215.368362][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  215.378963][ T4656] CPU: 1 PID: 4656 Comm: syz.1.187 Not tainted syzkaller #0
[  215.386303][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  215.396391][ T4656] Call Trace:
[  215.399704][ T4656]  <TASK>
[  215.402666][ T4656]  dump_stack_lvl+0x188/0x250
[  215.407385][ T4656]  ? show_regs_print_info+0x20/0x20
[  215.412623][ T4656]  ? load_image+0x400/0x400
[  215.417172][ T4656]  sysfs_create_dir_ns+0x26a/0x290
[  215.422314][ T4656]  ? sysfs_warn_dup+0xa0/0xa0
[  215.427028][ T4656]  ? do_raw_spin_unlock+0x11d/0x230
[  215.432263][ T4656]  kobject_add_internal+0x6e0/0xd90
[  215.437674][ T4656]  kobject_init_and_add+0x128/0x190
[  215.442910][ T4656]  ? lockdep_softirqs_off+0x430/0x430
[  215.448326][ T4656]  ? kobject_add+0x230/0x230
[  215.452961][ T4656]  ? __init_swait_queue_head+0xa5/0x150
[  215.458554][ T4656]  gfs2_sys_fs_add+0x24f/0x4b0
[  215.463965][ T4656]  ? gfs2_recover_set+0x240/0x240
[  215.469035][ T4656]  ? snprintf+0xe5/0x140
[  215.473315][ T4656]  ? __free_pages+0x95/0x1a0
[  215.477940][ T4656]  ? vscnprintf+0x80/0x80
[  215.482312][ T4656]  gfs2_fill_super+0x120f/0x1f00
[  215.487301][ T4656]  ? gfs2_reconfigure+0xd30/0xd30
[  215.492381][ T4656]  ? sb_set_blocksize+0xa5/0xe0
[  215.497259][ T4656]  get_tree_bdev+0x3f1/0x610
[  215.501882][ T4656]  ? gfs2_reconfigure+0xd30/0xd30
[  215.506936][ T4656]  gfs2_get_tree+0x4d/0x1e0
[  215.511478][ T4656]  vfs_get_tree+0x88/0x270
[  215.515942][ T4656]  do_new_mount+0x24a/0xa40
[  215.520490][ T4656]  __se_sys_mount+0x2e3/0x3d0
[  215.525203][ T4656]  ? __x64_sys_mount+0xc0/0xc0
[  215.530004][ T4656]  ? lockdep_hardirqs_on+0x94/0x140
[  215.535233][ T4656]  ? __x64_sys_mount+0x1c/0xc0
[  215.540030][ T4656]  do_syscall_64+0x4c/0xa0
[  215.544477][ T4656]  ? clear_bhb_loop+0x30/0x80
[  215.549184][ T4656]  ? clear_bhb_loop+0x30/0x80
[  215.553893][ T4656]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  215.559854][ T4656] RIP: 0033:0x7fa42fc95f4a
[  215.564319][ T4656] 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
[  215.584271][ T4656] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  215.592737][ T4656] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  215.600746][ T4656] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  215.608760][ T4656] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  215.616857][ T4656] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  215.624866][ T4656] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  215.632888][ T4656]  </TASK>
[  215.647699][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  215.667244][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  215.975065][ T4657] loop1: detected capacity change from 0 to 32768
[  216.074152][ T4657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.082235][ T4657] CPU: 1 PID: 4657 Comm: syz.1.188 Not tainted syzkaller #0
[  216.089564][ T4657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  216.099652][ T4657] Call Trace:
[  216.102984][ T4657]  <TASK>
[  216.105955][ T4657]  dump_stack_lvl+0x188/0x250
[  216.110682][ T4657]  ? show_regs_print_info+0x20/0x20
[  216.115922][ T4657]  ? load_image+0x400/0x400
[  216.120484][ T4657]  sysfs_create_dir_ns+0x26a/0x290
[  216.125637][ T4657]  ? sysfs_warn_dup+0xa0/0xa0
[  216.130361][ T4657]  ? do_raw_spin_unlock+0x11d/0x230
[  216.135602][ T4657]  kobject_add_internal+0x6e0/0xd90
[  216.140846][ T4657]  kobject_init_and_add+0x128/0x190
[  216.146163][ T4657]  ? lockdep_softirqs_off+0x430/0x430
[  216.151584][ T4657]  ? kobject_add+0x230/0x230
[  216.156258][ T4657]  ? __init_swait_queue_head+0xa5/0x150
[  216.161885][ T4657]  gfs2_sys_fs_add+0x24f/0x4b0
[  216.166686][ T4657]  ? gfs2_recover_set+0x240/0x240
[  216.171747][ T4657]  ? snprintf+0xe5/0x140
[  216.176027][ T4657]  ? __free_pages+0x95/0x1a0
[  216.180655][ T4657]  ? vscnprintf+0x80/0x80
[  216.185036][ T4657]  gfs2_fill_super+0x120f/0x1f00
[  216.190025][ T4657]  ? gfs2_reconfigure+0xd30/0xd30
[  216.195195][ T4657]  ? sb_set_blocksize+0xa5/0xe0
[  216.200100][ T4657]  get_tree_bdev+0x3f1/0x610
[  216.204727][ T4657]  ? gfs2_reconfigure+0xd30/0xd30
[  216.209785][ T4657]  gfs2_get_tree+0x4d/0x1e0
[  216.214329][ T4657]  vfs_get_tree+0x88/0x270
[  216.218784][ T4657]  do_new_mount+0x24a/0xa40
[  216.223331][ T4657]  __se_sys_mount+0x2e3/0x3d0
[  216.228048][ T4657]  ? __x64_sys_mount+0xc0/0xc0
[  216.232850][ T4657]  ? lockdep_hardirqs_on+0x94/0x140
[  216.238086][ T4657]  ? __x64_sys_mount+0x1c/0xc0
[  216.242893][ T4657]  do_syscall_64+0x4c/0xa0
[  216.247516][ T4657]  ? clear_bhb_loop+0x30/0x80
[  216.252248][ T4657]  ? clear_bhb_loop+0x30/0x80
[  216.256987][ T4657]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.262926][ T4657] RIP: 0033:0x7fa42fc95f4a
[  216.267390][ T4657] 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
[  216.287007][ T4657] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  216.295432][ T4657] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  216.303428][ T4657] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  216.311408][ T4657] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  216.319403][ T4657] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  216.327380][ T4657] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  216.335539][ T4657]  </TASK>
[  216.339768][ T4657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  216.353009][ T4657] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  216.758429][ T4658] loop1: detected capacity change from 0 to 32768
[  216.812042][ T4658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  216.819566][ T4658] CPU: 1 PID: 4658 Comm: syz.1.189 Not tainted syzkaller #0
[  216.826890][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  216.836989][ T4658] Call Trace:
[  216.840309][ T4658]  <TASK>
[  216.843276][ T4658]  dump_stack_lvl+0x188/0x250
[  216.848007][ T4658]  ? show_regs_print_info+0x20/0x20
[  216.853252][ T4658]  ? load_image+0x400/0x400
[  216.857810][ T4658]  sysfs_create_dir_ns+0x26a/0x290
[  216.862969][ T4658]  ? sysfs_warn_dup+0xa0/0xa0
[  216.867692][ T4658]  ? do_raw_spin_unlock+0x11d/0x230
[  216.872933][ T4658]  kobject_add_internal+0x6e0/0xd90
[  216.878185][ T4658]  kobject_init_and_add+0x128/0x190
[  216.883416][ T4658]  ? lockdep_softirqs_off+0x430/0x430
[  216.888827][ T4658]  ? kobject_add+0x230/0x230
[  216.893466][ T4658]  ? __init_swait_queue_head+0xa5/0x150
[  216.899051][ T4658]  gfs2_sys_fs_add+0x24f/0x4b0
[  216.903845][ T4658]  ? gfs2_recover_set+0x240/0x240
[  216.908904][ T4658]  ? snprintf+0xe5/0x140
[  216.913175][ T4658]  ? __free_pages+0x95/0x1a0
[  216.917796][ T4658]  ? vscnprintf+0x80/0x80
[  216.922172][ T4658]  gfs2_fill_super+0x120f/0x1f00
[  216.927174][ T4658]  ? gfs2_reconfigure+0xd30/0xd30
[  216.932254][ T4658]  ? sb_set_blocksize+0xa5/0xe0
[  216.937153][ T4658]  get_tree_bdev+0x3f1/0x610
[  216.941786][ T4658]  ? gfs2_reconfigure+0xd30/0xd30
[  216.946860][ T4658]  gfs2_get_tree+0x4d/0x1e0
[  216.951509][ T4658]  vfs_get_tree+0x88/0x270
[  216.955963][ T4658]  do_new_mount+0x24a/0xa40
[  216.960522][ T4658]  __se_sys_mount+0x2e3/0x3d0
[  216.965245][ T4658]  ? __x64_sys_mount+0xc0/0xc0
[  216.970047][ T4658]  ? lockdep_hardirqs_on+0x94/0x140
[  216.975281][ T4658]  ? __x64_sys_mount+0x1c/0xc0
[  216.980075][ T4658]  do_syscall_64+0x4c/0xa0
[  216.984518][ T4658]  ? clear_bhb_loop+0x30/0x80
[  216.989227][ T4658]  ? clear_bhb_loop+0x30/0x80
[  216.993986][ T4658]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  216.999909][ T4658] RIP: 0033:0x7fa42fc95f4a
[  217.004452][ T4658] 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
[  217.024087][ T4658] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.032541][ T4658] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  217.040641][ T4658] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  217.048643][ T4658] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  217.056731][ T4658] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  217.064710][ T4658] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  217.072707][ T4658]  </TASK>
[  217.076957][ T4658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.090474][ T4658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  217.452882][ T4659] loop1: detected capacity change from 0 to 32768
[  217.507127][ T4659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  217.516436][ T4659] CPU: 1 PID: 4659 Comm: syz.1.190 Not tainted syzkaller #0
[  217.523772][ T4659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  217.533877][ T4659] Call Trace:
[  217.537198][ T4659]  <TASK>
[  217.540165][ T4659]  dump_stack_lvl+0x188/0x250
[  217.544983][ T4659]  ? show_regs_print_info+0x20/0x20
[  217.550229][ T4659]  ? load_image+0x400/0x400
[  217.554786][ T4659]  sysfs_create_dir_ns+0x26a/0x290
[  217.560050][ T4659]  ? sysfs_warn_dup+0xa0/0xa0
[  217.564779][ T4659]  ? do_raw_spin_unlock+0x11d/0x230
[  217.570027][ T4659]  kobject_add_internal+0x6e0/0xd90
[  217.575274][ T4659]  kobject_init_and_add+0x128/0x190
[  217.580514][ T4659]  ? lockdep_softirqs_off+0x430/0x430
[  217.585948][ T4659]  ? kobject_add+0x230/0x230
[  217.590579][ T4659]  ? __init_swait_queue_head+0xa5/0x150
[  217.596180][ T4659]  gfs2_sys_fs_add+0x24f/0x4b0
[  217.600999][ T4659]  ? gfs2_recover_set+0x240/0x240
[  217.606070][ T4659]  ? snprintf+0xe5/0x140
[  217.610453][ T4659]  ? __free_pages+0x95/0x1a0
[  217.615077][ T4659]  ? vscnprintf+0x80/0x80
[  217.619459][ T4659]  gfs2_fill_super+0x120f/0x1f00
[  217.624462][ T4659]  ? gfs2_reconfigure+0xd30/0xd30
[  217.629534][ T4659]  ? sb_set_blocksize+0xa5/0xe0
[  217.634466][ T4659]  get_tree_bdev+0x3f1/0x610
[  217.639091][ T4659]  ? gfs2_reconfigure+0xd30/0xd30
[  217.644191][ T4659]  gfs2_get_tree+0x4d/0x1e0
[  217.648751][ T4659]  vfs_get_tree+0x88/0x270
[  217.653217][ T4659]  do_new_mount+0x24a/0xa40
[  217.657763][ T4659]  __se_sys_mount+0x2e3/0x3d0
[  217.662486][ T4659]  ? __x64_sys_mount+0xc0/0xc0
[  217.667295][ T4659]  ? lockdep_hardirqs_on+0x94/0x140
[  217.672529][ T4659]  ? __x64_sys_mount+0x1c/0xc0
[  217.677335][ T4659]  do_syscall_64+0x4c/0xa0
[  217.681781][ T4659]  ? clear_bhb_loop+0x30/0x80
[  217.686498][ T4659]  ? clear_bhb_loop+0x30/0x80
[  217.691207][ T4659]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  217.697136][ T4659] RIP: 0033:0x7fa42fc95f4a
[  217.701590][ T4659] 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
[  217.721227][ T4659] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  217.729691][ T4659] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  217.737696][ T4659] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  217.745702][ T4659] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  217.753704][ T4659] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  217.761704][ T4659] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  217.769726][ T4659]  </TASK>
[  217.779851][ T4659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  217.793484][ T4659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  218.156454][ T4660] loop1: detected capacity change from 0 to 32768
[  218.221408][ T4660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.228835][ T4660] CPU: 1 PID: 4660 Comm: syz.1.191 Not tainted syzkaller #0
[  218.236163][ T4660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  218.246249][ T4660] Call Trace:
[  218.249555][ T4660]  <TASK>
[  218.252511][ T4660]  dump_stack_lvl+0x188/0x250
[  218.257230][ T4660]  ? show_regs_print_info+0x20/0x20
[  218.262467][ T4660]  ? load_image+0x400/0x400
[  218.267027][ T4660]  sysfs_create_dir_ns+0x26a/0x290
[  218.272176][ T4660]  ? sysfs_warn_dup+0xa0/0xa0
[  218.276895][ T4660]  ? do_raw_spin_unlock+0x11d/0x230
[  218.282134][ T4660]  kobject_add_internal+0x6e0/0xd90
[  218.287376][ T4660]  kobject_init_and_add+0x128/0x190
[  218.292708][ T4660]  ? lockdep_softirqs_off+0x430/0x430
[  218.298125][ T4660]  ? kobject_add+0x230/0x230
[  218.302760][ T4660]  ? __init_swait_queue_head+0xa5/0x150
[  218.308368][ T4660]  gfs2_sys_fs_add+0x24f/0x4b0
[  218.313172][ T4660]  ? gfs2_recover_set+0x240/0x240
[  218.318234][ T4660]  ? snprintf+0xe5/0x140
[  218.322518][ T4660]  ? __free_pages+0x95/0x1a0
[  218.327152][ T4660]  ? vscnprintf+0x80/0x80
[  218.331521][ T4660]  gfs2_fill_super+0x120f/0x1f00
[  218.336502][ T4660]  ? gfs2_reconfigure+0xd30/0xd30
[  218.341583][ T4660]  ? sb_set_blocksize+0xa5/0xe0
[  218.346471][ T4660]  get_tree_bdev+0x3f1/0x610
[  218.351100][ T4660]  ? gfs2_reconfigure+0xd30/0xd30
[  218.356164][ T4660]  gfs2_get_tree+0x4d/0x1e0
[  218.360703][ T4660]  vfs_get_tree+0x88/0x270
[  218.365154][ T4660]  do_new_mount+0x24a/0xa40
[  218.369705][ T4660]  __se_sys_mount+0x2e3/0x3d0
[  218.374426][ T4660]  ? __x64_sys_mount+0xc0/0xc0
[  218.379231][ T4660]  ? lockdep_hardirqs_on+0x94/0x140
[  218.384464][ T4660]  ? __x64_sys_mount+0x1c/0xc0
[  218.389260][ T4660]  do_syscall_64+0x4c/0xa0
[  218.393716][ T4660]  ? clear_bhb_loop+0x30/0x80
[  218.398422][ T4660]  ? clear_bhb_loop+0x30/0x80
[  218.403127][ T4660]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  218.409134][ T4660] RIP: 0033:0x7fa42fc95f4a
[  218.413575][ T4660] 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
[  218.433208][ T4660] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  218.441665][ T4660] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  218.449671][ T4660] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  218.457678][ T4660] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  218.465690][ T4660] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  218.473781][ T4660] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  218.481805][ T4660]  </TASK>
[  218.489908][ T4660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  218.503403][ T4660] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 05:28:46 executed programs: 177
[  218.859618][ T4661] loop1: detected capacity change from 0 to 32768
[  218.925757][ T4661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  218.933504][ T4661] CPU: 0 PID: 4661 Comm: syz.1.192 Not tainted syzkaller #0
[  218.940838][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  218.950924][ T4661] Call Trace:
[  218.954234][ T4661]  <TASK>
[  218.957187][ T4661]  dump_stack_lvl+0x188/0x250
[  218.961915][ T4661]  ? show_regs_print_info+0x20/0x20
[  218.967140][ T4661]  ? load_image+0x400/0x400
[  218.971686][ T4661]  sysfs_create_dir_ns+0x26a/0x290
[  218.976833][ T4661]  ? sysfs_warn_dup+0xa0/0xa0
[  218.981549][ T4661]  ? do_raw_spin_unlock+0x11d/0x230
[  218.986780][ T4661]  kobject_add_internal+0x6e0/0xd90
[  218.992020][ T4661]  kobject_init_and_add+0x128/0x190
[  218.997248][ T4661]  ? lockdep_softirqs_off+0x430/0x430
[  219.002651][ T4661]  ? kobject_add+0x230/0x230
[  219.007272][ T4661]  ? __init_swait_queue_head+0xa5/0x150
[  219.012852][ T4661]  gfs2_sys_fs_add+0x24f/0x4b0
[  219.017655][ T4661]  ? gfs2_recover_set+0x240/0x240
[  219.022708][ T4661]  ? snprintf+0xe5/0x140
[  219.026983][ T4661]  ? __free_pages+0x95/0x1a0
[  219.031599][ T4661]  ? vscnprintf+0x80/0x80
[  219.036084][ T4661]  gfs2_fill_super+0x120f/0x1f00
[  219.041075][ T4661]  ? gfs2_reconfigure+0xd30/0xd30
[  219.046174][ T4661]  ? sb_set_blocksize+0xa5/0xe0
[  219.051058][ T4661]  get_tree_bdev+0x3f1/0x610
[  219.055680][ T4661]  ? gfs2_reconfigure+0xd30/0xd30
[  219.060740][ T4661]  gfs2_get_tree+0x4d/0x1e0
[  219.065282][ T4661]  vfs_get_tree+0x88/0x270
[  219.069737][ T4661]  do_new_mount+0x24a/0xa40
[  219.074277][ T4661]  __se_sys_mount+0x2e3/0x3d0
[  219.078995][ T4661]  ? __x64_sys_mount+0xc0/0xc0
[  219.083791][ T4661]  ? lockdep_hardirqs_on+0x94/0x140
[  219.089116][ T4661]  ? __x64_sys_mount+0x1c/0xc0
[  219.093921][ T4661]  do_syscall_64+0x4c/0xa0
[  219.098376][ T4661]  ? clear_bhb_loop+0x30/0x80
[  219.103083][ T4661]  ? clear_bhb_loop+0x30/0x80
[  219.107831][ T4661]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.113752][ T4661] RIP: 0033:0x7fa42fc95f4a
[  219.118193][ T4661] 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
[  219.137838][ T4661] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.146396][ T4661] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  219.154395][ T4661] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  219.162393][ T4661] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  219.170540][ T4661] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  219.178541][ T4661] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  219.186549][ T4661]  </TASK>
[  219.194795][ T4661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.208507][ T4661] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  219.586281][ T4662] loop1: detected capacity change from 0 to 32768
[  219.640751][ T4662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  219.651099][ T4662] CPU: 0 PID: 4662 Comm: syz.1.193 Not tainted syzkaller #0
[  219.658426][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  219.668554][ T4662] Call Trace:
[  219.671866][ T4662]  <TASK>
[  219.674933][ T4662]  dump_stack_lvl+0x188/0x250
[  219.679667][ T4662]  ? show_regs_print_info+0x20/0x20
[  219.684990][ T4662]  ? load_image+0x400/0x400
[  219.689547][ T4662]  sysfs_create_dir_ns+0x26a/0x290
[  219.694697][ T4662]  ? sysfs_warn_dup+0xa0/0xa0
[  219.699427][ T4662]  ? do_raw_spin_unlock+0x11d/0x230
[  219.704674][ T4662]  kobject_add_internal+0x6e0/0xd90
[  219.709925][ T4662]  kobject_init_and_add+0x128/0x190
[  219.715200][ T4662]  ? lockdep_softirqs_off+0x430/0x430
[  219.720620][ T4662]  ? kobject_add+0x230/0x230
[  219.725253][ T4662]  ? __init_swait_queue_head+0xa5/0x150
[  219.730863][ T4662]  gfs2_sys_fs_add+0x24f/0x4b0
[  219.735666][ T4662]  ? gfs2_recover_set+0x240/0x240
[  219.740732][ T4662]  ? snprintf+0xe5/0x140
[  219.745040][ T4662]  ? __free_pages+0x95/0x1a0
[  219.749672][ T4662]  ? vscnprintf+0x80/0x80
[  219.754059][ T4662]  gfs2_fill_super+0x120f/0x1f00
[  219.759051][ T4662]  ? gfs2_reconfigure+0xd30/0xd30
[  219.764131][ T4662]  ? sb_set_blocksize+0xa5/0xe0
[  219.769017][ T4662]  get_tree_bdev+0x3f1/0x610
[  219.773651][ T4662]  ? gfs2_reconfigure+0xd30/0xd30
[  219.778722][ T4662]  gfs2_get_tree+0x4d/0x1e0
[  219.783285][ T4662]  vfs_get_tree+0x88/0x270
[  219.787744][ T4662]  do_new_mount+0x24a/0xa40
[  219.792290][ T4662]  __se_sys_mount+0x2e3/0x3d0
[  219.797014][ T4662]  ? __x64_sys_mount+0xc0/0xc0
[  219.801817][ T4662]  ? lockdep_hardirqs_on+0x94/0x140
[  219.807052][ T4662]  ? __x64_sys_mount+0x1c/0xc0
[  219.811847][ T4662]  do_syscall_64+0x4c/0xa0
[  219.816295][ T4662]  ? clear_bhb_loop+0x30/0x80
[  219.821543][ T4662]  ? clear_bhb_loop+0x30/0x80
[  219.826252][ T4662]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  219.832173][ T4662] RIP: 0033:0x7fa42fc95f4a
[  219.836619][ T4662] 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
[  219.856350][ T4662] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  219.864806][ T4662] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  219.872811][ T4662] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  219.880815][ T4662] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  219.888817][ T4662] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  219.896816][ T4662] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  219.904834][ T4662]  </TASK>
[  219.915630][ T4662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  219.929506][ T4662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.293472][ T4663] loop1: detected capacity change from 0 to 32768
[  220.341055][ T4663] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  220.349392][ T4663] CPU: 0 PID: 4663 Comm: syz.1.194 Not tainted syzkaller #0
[  220.356741][ T4663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  220.366825][ T4663] Call Trace:
[  220.370133][ T4663]  <TASK>
[  220.373092][ T4663]  dump_stack_lvl+0x188/0x250
[  220.377813][ T4663]  ? show_regs_print_info+0x20/0x20
[  220.383051][ T4663]  ? load_image+0x400/0x400
[  220.387609][ T4663]  sysfs_create_dir_ns+0x26a/0x290
[  220.392753][ T4663]  ? sysfs_warn_dup+0xa0/0xa0
[  220.397466][ T4663]  ? do_raw_spin_unlock+0x11d/0x230
[  220.402712][ T4663]  kobject_add_internal+0x6e0/0xd90
[  220.407958][ T4663]  kobject_init_and_add+0x128/0x190
[  220.413270][ T4663]  ? lockdep_softirqs_off+0x430/0x430
[  220.418692][ T4663]  ? kobject_add+0x230/0x230
[  220.423324][ T4663]  ? __init_swait_queue_head+0xa5/0x150
[  220.428915][ T4663]  gfs2_sys_fs_add+0x24f/0x4b0
[  220.433716][ T4663]  ? gfs2_recover_set+0x240/0x240
[  220.438784][ T4663]  ? snprintf+0xe5/0x140
[  220.443055][ T4663]  ? __free_pages+0x95/0x1a0
[  220.447684][ T4663]  ? vscnprintf+0x80/0x80
[  220.452064][ T4663]  gfs2_fill_super+0x120f/0x1f00
[  220.457054][ T4663]  ? gfs2_reconfigure+0xd30/0xd30
[  220.462125][ T4663]  ? sb_set_blocksize+0xa5/0xe0
[  220.467011][ T4663]  get_tree_bdev+0x3f1/0x610
[  220.471639][ T4663]  ? gfs2_reconfigure+0xd30/0xd30
[  220.476717][ T4663]  gfs2_get_tree+0x4d/0x1e0
[  220.481260][ T4663]  vfs_get_tree+0x88/0x270
[  220.485724][ T4663]  do_new_mount+0x24a/0xa40
[  220.490275][ T4663]  __se_sys_mount+0x2e3/0x3d0
[  220.495002][ T4663]  ? __x64_sys_mount+0xc0/0xc0
[  220.499809][ T4663]  ? lockdep_hardirqs_on+0x94/0x140
[  220.505047][ T4663]  ? __x64_sys_mount+0x1c/0xc0
[  220.509844][ T4663]  do_syscall_64+0x4c/0xa0
[  220.514302][ T4663]  ? clear_bhb_loop+0x30/0x80
[  220.519064][ T4663]  ? clear_bhb_loop+0x30/0x80
[  220.523864][ T4663]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  220.529787][ T4663] RIP: 0033:0x7fa42fc95f4a
[  220.534231][ T4663] 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
[  220.553873][ T4663] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  220.562421][ T4663] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  220.570429][ T4663] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  220.578441][ T4663] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  220.586446][ T4663] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  220.594537][ T4663] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  220.602554][ T4663]  </TASK>
[  220.610990][ T4663] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  220.624165][ T4663] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  220.992365][ T4664] loop1: detected capacity change from 0 to 32768
[  221.041432][ T4664] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.050655][ T4664] CPU: 1 PID: 4664 Comm: syz.1.195 Not tainted syzkaller #0
[  221.057995][ T4664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  221.068198][ T4664] Call Trace:
[  221.071510][ T4664]  <TASK>
[  221.074466][ T4664]  dump_stack_lvl+0x188/0x250
[  221.079187][ T4664]  ? show_regs_print_info+0x20/0x20
[  221.084427][ T4664]  ? load_image+0x400/0x400
[  221.088987][ T4664]  sysfs_create_dir_ns+0x26a/0x290
[  221.094308][ T4664]  ? sysfs_warn_dup+0xa0/0xa0
[  221.099022][ T4664]  ? do_raw_spin_unlock+0x11d/0x230
[  221.104272][ T4664]  kobject_add_internal+0x6e0/0xd90
[  221.109572][ T4664]  kobject_init_and_add+0x128/0x190
[  221.114813][ T4664]  ? lockdep_softirqs_off+0x430/0x430
[  221.120224][ T4664]  ? kobject_add+0x230/0x230
[  221.124856][ T4664]  ? __init_swait_queue_head+0xa5/0x150
[  221.130473][ T4664]  gfs2_sys_fs_add+0x24f/0x4b0
[  221.135270][ T4664]  ? gfs2_recover_set+0x240/0x240
[  221.140339][ T4664]  ? snprintf+0xe5/0x140
[  221.144621][ T4664]  ? __free_pages+0x95/0x1a0
[  221.149355][ T4664]  ? vscnprintf+0x80/0x80
[  221.153740][ T4664]  gfs2_fill_super+0x120f/0x1f00
[  221.158749][ T4664]  ? gfs2_reconfigure+0xd30/0xd30
[  221.163835][ T4664]  ? sb_set_blocksize+0xa5/0xe0
[  221.168725][ T4664]  get_tree_bdev+0x3f1/0x610
[  221.173352][ T4664]  ? gfs2_reconfigure+0xd30/0xd30
[  221.178414][ T4664]  gfs2_get_tree+0x4d/0x1e0
[  221.182955][ T4664]  vfs_get_tree+0x88/0x270
[  221.187409][ T4664]  do_new_mount+0x24a/0xa40
[  221.191951][ T4664]  __se_sys_mount+0x2e3/0x3d0
[  221.196670][ T4664]  ? __x64_sys_mount+0xc0/0xc0
[  221.201473][ T4664]  ? lockdep_hardirqs_on+0x94/0x140
[  221.206707][ T4664]  ? __x64_sys_mount+0x1c/0xc0
[  221.211505][ T4664]  do_syscall_64+0x4c/0xa0
[  221.215949][ T4664]  ? clear_bhb_loop+0x30/0x80
[  221.220650][ T4664]  ? clear_bhb_loop+0x30/0x80
[  221.225353][ T4664]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.231276][ T4664] RIP: 0033:0x7fa42fc95f4a
[  221.235713][ T4664] 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
[  221.255435][ T4664] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.263972][ T4664] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  221.271971][ T4664] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  221.279967][ T4664] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  221.287939][ T4664] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  221.295912][ T4664] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  221.303904][ T4664]  </TASK>
[  221.308477][ T4664] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  221.322029][ T4664] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  221.703486][ T4665] loop1: detected capacity change from 0 to 32768
[  221.754561][ T4665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  221.762729][ T4665] CPU: 0 PID: 4665 Comm: syz.1.196 Not tainted syzkaller #0
[  221.770065][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  221.780165][ T4665] Call Trace:
[  221.783473][ T4665]  <TASK>
[  221.786442][ T4665]  dump_stack_lvl+0x188/0x250
[  221.791190][ T4665]  ? show_regs_print_info+0x20/0x20
[  221.796430][ T4665]  ? load_image+0x400/0x400
[  221.801015][ T4665]  sysfs_create_dir_ns+0x26a/0x290
[  221.806165][ T4665]  ? sysfs_warn_dup+0xa0/0xa0
[  221.810878][ T4665]  ? do_raw_spin_unlock+0x11d/0x230
[  221.816118][ T4665]  kobject_add_internal+0x6e0/0xd90
[  221.821382][ T4665]  kobject_init_and_add+0x128/0x190
[  221.826615][ T4665]  ? lockdep_softirqs_off+0x430/0x430
[  221.832034][ T4665]  ? kobject_add+0x230/0x230
[  221.836663][ T4665]  ? __init_swait_queue_head+0xa5/0x150
[  221.842254][ T4665]  gfs2_sys_fs_add+0x24f/0x4b0
[  221.847142][ T4665]  ? gfs2_recover_set+0x240/0x240
[  221.852200][ T4665]  ? snprintf+0xe5/0x140
[  221.856473][ T4665]  ? __free_pages+0x95/0x1a0
[  221.861105][ T4665]  ? vscnprintf+0x80/0x80
[  221.865483][ T4665]  gfs2_fill_super+0x120f/0x1f00
[  221.870628][ T4665]  ? gfs2_reconfigure+0xd30/0xd30
[  221.875715][ T4665]  ? sb_set_blocksize+0xa5/0xe0
[  221.880618][ T4665]  get_tree_bdev+0x3f1/0x610
[  221.885255][ T4665]  ? gfs2_reconfigure+0xd30/0xd30
[  221.890326][ T4665]  gfs2_get_tree+0x4d/0x1e0
[  221.894874][ T4665]  vfs_get_tree+0x88/0x270
[  221.899348][ T4665]  do_new_mount+0x24a/0xa40
[  221.903898][ T4665]  __se_sys_mount+0x2e3/0x3d0
[  221.908613][ T4665]  ? __x64_sys_mount+0xc0/0xc0
[  221.913413][ T4665]  ? lockdep_hardirqs_on+0x94/0x140
[  221.918642][ T4665]  ? __x64_sys_mount+0x1c/0xc0
[  221.923528][ T4665]  do_syscall_64+0x4c/0xa0
[  221.927979][ T4665]  ? clear_bhb_loop+0x30/0x80
[  221.932689][ T4665]  ? clear_bhb_loop+0x30/0x80
[  221.937397][ T4665]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  221.943327][ T4665] RIP: 0033:0x7fa42fc95f4a
[  221.947780][ T4665] 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
[  221.967426][ T4665] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  221.976067][ T4665] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  221.984071][ T4665] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  221.992073][ T4665] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  222.000075][ T4665] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  222.008086][ T4665] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  222.016110][ T4665]  </TASK>
[  222.022105][ T1326] Bluetooth: hci1: command 0x0406 tx timeout
[  222.032695][ T4665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.048504][ T4665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.319744][ T4666] loop1: detected capacity change from 0 to 32768
[  222.374508][ T4666] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.382756][ T4666] CPU: 1 PID: 4666 Comm: syz.1.197 Not tainted syzkaller #0
[  222.390192][ T4666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  222.400281][ T4666] Call Trace:
[  222.403592][ T4666]  <TASK>
[  222.406557][ T4666]  dump_stack_lvl+0x188/0x250
[  222.411302][ T4666]  ? show_regs_print_info+0x20/0x20
[  222.416543][ T4666]  ? load_image+0x400/0x400
[  222.421097][ T4666]  sysfs_create_dir_ns+0x26a/0x290
[  222.426263][ T4666]  ? sysfs_warn_dup+0xa0/0xa0
[  222.430980][ T4666]  ? do_raw_spin_unlock+0x11d/0x230
[  222.436221][ T4666]  kobject_add_internal+0x6e0/0xd90
[  222.441471][ T4666]  kobject_init_and_add+0x128/0x190
[  222.446709][ T4666]  ? lockdep_softirqs_off+0x430/0x430
[  222.452154][ T4666]  ? kobject_add+0x230/0x230
[  222.456795][ T4666]  ? __init_swait_queue_head+0xa5/0x150
[  222.462390][ T4666]  gfs2_sys_fs_add+0x24f/0x4b0
[  222.467190][ T4666]  ? gfs2_recover_set+0x240/0x240
[  222.472371][ T4666]  ? snprintf+0xe5/0x140
[  222.476656][ T4666]  ? __free_pages+0x95/0x1a0
[  222.481332][ T4666]  ? vscnprintf+0x80/0x80
[  222.485718][ T4666]  gfs2_fill_super+0x120f/0x1f00
[  222.490710][ T4666]  ? gfs2_reconfigure+0xd30/0xd30
[  222.495883][ T4666]  ? sb_set_blocksize+0xa5/0xe0
[  222.500774][ T4666]  get_tree_bdev+0x3f1/0x610
[  222.505407][ T4666]  ? gfs2_reconfigure+0xd30/0xd30
[  222.510481][ T4666]  gfs2_get_tree+0x4d/0x1e0
[  222.515020][ T4666]  vfs_get_tree+0x88/0x270
[  222.519470][ T4666]  do_new_mount+0x24a/0xa40
[  222.524021][ T4666]  __se_sys_mount+0x2e3/0x3d0
[  222.528733][ T4666]  ? __x64_sys_mount+0xc0/0xc0
[  222.533561][ T4666]  ? lockdep_hardirqs_on+0x94/0x140
[  222.538806][ T4666]  ? __x64_sys_mount+0x1c/0xc0
[  222.543601][ T4666]  do_syscall_64+0x4c/0xa0
[  222.548044][ T4666]  ? clear_bhb_loop+0x30/0x80
[  222.552751][ T4666]  ? clear_bhb_loop+0x30/0x80
[  222.557473][ T4666]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  222.563404][ T4666] RIP: 0033:0x7fa42fc95f4a
[  222.567848][ T4666] 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
[  222.587631][ T4666] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  222.596094][ T4666] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  222.604102][ T4666] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  222.612200][ T4666] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  222.620212][ T4666] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  222.628222][ T4666] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  222.636244][ T4666]  </TASK>
[  222.644757][ T4666] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  222.658478][ T4666] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  222.923498][ T4667] loop1: detected capacity change from 0 to 32768
[  222.989195][ T4667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  222.998630][ T4667] CPU: 1 PID: 4667 Comm: syz.1.198 Not tainted syzkaller #0
[  223.006063][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  223.016177][ T4667] Call Trace:
[  223.019493][ T4667]  <TASK>
[  223.022459][ T4667]  dump_stack_lvl+0x188/0x250
[  223.027208][ T4667]  ? show_regs_print_info+0x20/0x20
[  223.032452][ T4667]  ? load_image+0x400/0x400
[  223.037008][ T4667]  sysfs_create_dir_ns+0x26a/0x290
[  223.042164][ T4667]  ? sysfs_warn_dup+0xa0/0xa0
[  223.046884][ T4667]  ? do_raw_spin_unlock+0x11d/0x230
[  223.052118][ T4667]  kobject_add_internal+0x6e0/0xd90
[  223.057398][ T4667]  kobject_init_and_add+0x128/0x190
[  223.062637][ T4667]  ? lockdep_softirqs_off+0x430/0x430
[  223.068058][ T4667]  ? kobject_add+0x230/0x230
[  223.072841][ T4667]  ? __init_swait_queue_head+0xa5/0x150
[  223.078427][ T4667]  gfs2_sys_fs_add+0x24f/0x4b0
[  223.083279][ T4667]  ? gfs2_recover_set+0x240/0x240
[  223.088356][ T4667]  ? snprintf+0xe5/0x140
[  223.092637][ T4667]  ? __free_pages+0x95/0x1a0
[  223.097267][ T4667]  ? vscnprintf+0x80/0x80
[  223.101648][ T4667]  gfs2_fill_super+0x120f/0x1f00
[  223.106636][ T4667]  ? gfs2_reconfigure+0xd30/0xd30
[  223.111720][ T4667]  ? sb_set_blocksize+0xa5/0xe0
[  223.116707][ T4667]  get_tree_bdev+0x3f1/0x610
[  223.121329][ T4667]  ? gfs2_reconfigure+0xd30/0xd30
[  223.126397][ T4667]  gfs2_get_tree+0x4d/0x1e0
[  223.130951][ T4667]  vfs_get_tree+0x88/0x270
[  223.135404][ T4667]  do_new_mount+0x24a/0xa40
[  223.139952][ T4667]  __se_sys_mount+0x2e3/0x3d0
[  223.144674][ T4667]  ? __x64_sys_mount+0xc0/0xc0
[  223.149475][ T4667]  ? lockdep_hardirqs_on+0x94/0x140
[  223.154705][ T4667]  ? __x64_sys_mount+0x1c/0xc0
[  223.159513][ T4667]  do_syscall_64+0x4c/0xa0
[  223.163962][ T4667]  ? clear_bhb_loop+0x30/0x80
[  223.168673][ T4667]  ? clear_bhb_loop+0x30/0x80
[  223.173378][ T4667]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.179307][ T4667] RIP: 0033:0x7fa42fc95f4a
[  223.183755][ T4667] 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
[  223.203399][ T4667] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.211858][ T4667] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  223.219873][ T4667] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  223.227963][ T4667] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  223.236082][ T4667] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  223.244096][ T4667] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  223.252119][ T4667]  </TASK>
[  223.265585][ T4667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.278945][ T4667] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  223.669090][ T4668] loop1: detected capacity change from 0 to 32768
[  223.720664][ T4668] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  223.728255][ T4668] CPU: 1 PID: 4668 Comm: syz.1.199 Not tainted syzkaller #0
[  223.735895][ T4668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  223.745990][ T4668] Call Trace:
[  223.749301][ T4668]  <TASK>
[  223.752268][ T4668]  dump_stack_lvl+0x188/0x250
[  223.756992][ T4668]  ? show_regs_print_info+0x20/0x20
[  223.762227][ T4668]  ? load_image+0x400/0x400
[  223.766782][ T4668]  sysfs_create_dir_ns+0x26a/0x290
[  223.771930][ T4668]  ? sysfs_warn_dup+0xa0/0xa0
[  223.776647][ T4668]  ? do_raw_spin_unlock+0x11d/0x230
[  223.781885][ T4668]  kobject_add_internal+0x6e0/0xd90
[  223.787128][ T4668]  kobject_init_and_add+0x128/0x190
[  223.792366][ T4668]  ? lockdep_softirqs_off+0x430/0x430
[  223.797952][ T4668]  ? kobject_add+0x230/0x230
[  223.802587][ T4668]  ? __init_swait_queue_head+0xa5/0x150
[  223.808177][ T4668]  gfs2_sys_fs_add+0x24f/0x4b0
[  223.812976][ T4668]  ? gfs2_recover_set+0x240/0x240
[  223.818035][ T4668]  ? snprintf+0xe5/0x140
[  223.822313][ T4668]  ? __free_pages+0x95/0x1a0
[  223.826943][ T4668]  ? vscnprintf+0x80/0x80
[  223.831318][ T4668]  gfs2_fill_super+0x120f/0x1f00
[  223.836302][ T4668]  ? gfs2_reconfigure+0xd30/0xd30
[  223.841375][ T4668]  ? sb_set_blocksize+0xa5/0xe0
[  223.846348][ T4668]  get_tree_bdev+0x3f1/0x610
[  223.850975][ T4668]  ? gfs2_reconfigure+0xd30/0xd30
[  223.856039][ T4668]  gfs2_get_tree+0x4d/0x1e0
[  223.860590][ T4668]  vfs_get_tree+0x88/0x270
[  223.865051][ T4668]  do_new_mount+0x24a/0xa40
[  223.869604][ T4668]  __se_sys_mount+0x2e3/0x3d0
[  223.874319][ T4668]  ? __x64_sys_mount+0xc0/0xc0
[  223.879136][ T4668]  ? lockdep_hardirqs_on+0x94/0x140
[  223.884383][ T4668]  ? __x64_sys_mount+0x1c/0xc0
[  223.889183][ T4668]  do_syscall_64+0x4c/0xa0
[  223.893630][ T4668]  ? clear_bhb_loop+0x30/0x80
[  223.898335][ T4668]  ? clear_bhb_loop+0x30/0x80
[  223.903049][ T4668]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  223.908999][ T4668] RIP: 0033:0x7fa42fc95f4a
[  223.913443][ T4668] 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
[  223.933089][ T4668] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  223.941541][ T4668] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  223.949541][ T4668] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  223.957545][ T4668] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  223.965546][ T4668] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  223.973566][ T4668] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  223.981677][ T4668]  </TASK>
[  223.985865][ T4668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  223.999195][ T4668] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 05:28:52 executed programs: 185
[  224.362417][ T4669] loop1: detected capacity change from 0 to 32768
[  224.412426][ T4669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  224.419873][ T4669] CPU: 1 PID: 4669 Comm: syz.1.200 Not tainted syzkaller #0
[  224.427458][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  224.437543][ T4669] Call Trace:
[  224.440856][ T4669]  <TASK>
[  224.443817][ T4669]  dump_stack_lvl+0x188/0x250
[  224.448621][ T4669]  ? show_regs_print_info+0x20/0x20
[  224.453855][ T4669]  ? load_image+0x400/0x400
[  224.458416][ T4669]  sysfs_create_dir_ns+0x26a/0x290
[  224.463572][ T4669]  ? sysfs_warn_dup+0xa0/0xa0
[  224.468287][ T4669]  ? do_raw_spin_unlock+0x11d/0x230
[  224.473532][ T4669]  kobject_add_internal+0x6e0/0xd90
[  224.478778][ T4669]  kobject_init_and_add+0x128/0x190
[  224.484014][ T4669]  ? lockdep_softirqs_off+0x430/0x430
[  224.489431][ T4669]  ? kobject_add+0x230/0x230
[  224.494060][ T4669]  ? __init_swait_queue_head+0xa5/0x150
[  224.499649][ T4669]  gfs2_sys_fs_add+0x24f/0x4b0
[  224.504459][ T4669]  ? gfs2_recover_set+0x240/0x240
[  224.509513][ T4669]  ? snprintf+0xe5/0x140
[  224.513800][ T4669]  ? __free_pages+0x95/0x1a0
[  224.518430][ T4669]  ? vscnprintf+0x80/0x80
[  224.522810][ T4669]  gfs2_fill_super+0x120f/0x1f00
[  224.527800][ T4669]  ? gfs2_reconfigure+0xd30/0xd30
[  224.532882][ T4669]  ? sb_set_blocksize+0xa5/0xe0
[  224.537769][ T4669]  get_tree_bdev+0x3f1/0x610
[  224.542399][ T4669]  ? gfs2_reconfigure+0xd30/0xd30
[  224.547466][ T4669]  gfs2_get_tree+0x4d/0x1e0
[  224.552045][ T4669]  vfs_get_tree+0x88/0x270
[  224.556500][ T4669]  do_new_mount+0x24a/0xa40
[  224.561053][ T4669]  __se_sys_mount+0x2e3/0x3d0
[  224.566007][ T4669]  ? __x64_sys_mount+0xc0/0xc0
[  224.570820][ T4669]  ? lockdep_hardirqs_on+0x94/0x140
[  224.576057][ T4669]  ? __x64_sys_mount+0x1c/0xc0
[  224.580862][ T4669]  do_syscall_64+0x4c/0xa0
[  224.585303][ T4669]  ? clear_bhb_loop+0x30/0x80
[  224.590021][ T4669]  ? clear_bhb_loop+0x30/0x80
[  224.594736][ T4669]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  224.600664][ T4669] RIP: 0033:0x7fa42fc95f4a
[  224.605104][ T4669] 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
[  224.624741][ T4669] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  224.633198][ T4669] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  224.641221][ T4669] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  224.649228][ T4669] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  224.657234][ T4669] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  224.665234][ T4669] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  224.673236][ T4669]  </TASK>
[  224.677361][ T4669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  224.690975][ T4669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.062848][ T4670] loop1: detected capacity change from 0 to 32768
[  225.120543][ T4670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.129079][ T4670] CPU: 0 PID: 4670 Comm: syz.1.201 Not tainted syzkaller #0
[  225.136411][ T4670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  225.146496][ T4670] Call Trace:
[  225.149802][ T4670]  <TASK>
[  225.152763][ T4670]  dump_stack_lvl+0x188/0x250
[  225.157493][ T4670]  ? show_regs_print_info+0x20/0x20
[  225.162723][ T4670]  ? load_image+0x400/0x400
[  225.167275][ T4670]  sysfs_create_dir_ns+0x26a/0x290
[  225.172425][ T4670]  ? sysfs_warn_dup+0xa0/0xa0
[  225.177152][ T4670]  ? do_raw_spin_unlock+0x11d/0x230
[  225.182389][ T4670]  kobject_add_internal+0x6e0/0xd90
[  225.187629][ T4670]  kobject_init_and_add+0x128/0x190
[  225.192861][ T4670]  ? lockdep_softirqs_off+0x430/0x430
[  225.198276][ T4670]  ? kobject_add+0x230/0x230
[  225.202908][ T4670]  ? __init_swait_queue_head+0xa5/0x150
[  225.208502][ T4670]  gfs2_sys_fs_add+0x24f/0x4b0
[  225.213303][ T4670]  ? gfs2_recover_set+0x240/0x240
[  225.218361][ T4670]  ? snprintf+0xe5/0x140
[  225.222636][ T4670]  ? __free_pages+0x95/0x1a0
[  225.227267][ T4670]  ? vscnprintf+0x80/0x80
[  225.231728][ T4670]  gfs2_fill_super+0x120f/0x1f00
[  225.236710][ T4670]  ? gfs2_reconfigure+0xd30/0xd30
[  225.241780][ T4670]  ? sb_set_blocksize+0xa5/0xe0
[  225.246667][ T4670]  get_tree_bdev+0x3f1/0x610
[  225.251289][ T4670]  ? gfs2_reconfigure+0xd30/0xd30
[  225.256393][ T4670]  gfs2_get_tree+0x4d/0x1e0
[  225.260931][ T4670]  vfs_get_tree+0x88/0x270
[  225.265411][ T4670]  do_new_mount+0x24a/0xa40
[  225.269961][ T4670]  __se_sys_mount+0x2e3/0x3d0
[  225.274681][ T4670]  ? __x64_sys_mount+0xc0/0xc0
[  225.279484][ T4670]  ? lockdep_hardirqs_on+0x94/0x140
[  225.284720][ T4670]  ? __x64_sys_mount+0x1c/0xc0
[  225.289523][ T4670]  do_syscall_64+0x4c/0xa0
[  225.294058][ T4670]  ? clear_bhb_loop+0x30/0x80
[  225.298764][ T4670]  ? clear_bhb_loop+0x30/0x80
[  225.303469][ T4670]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  225.309396][ T4670] RIP: 0033:0x7fa42fc95f4a
[  225.313836][ T4670] 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
[  225.333489][ T4670] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  225.342030][ T4670] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  225.350134][ T4670] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  225.358143][ T4670] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  225.366238][ T4670] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  225.374239][ T4670] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  225.382261][ T4670]  </TASK>
[  225.391087][ T4670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  225.404701][ T4670] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  225.791878][ T4671] loop1: detected capacity change from 0 to 32768
[  225.862783][ T4671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  225.870219][ T4671] CPU: 0 PID: 4671 Comm: syz.1.202 Not tainted syzkaller #0
[  225.877534][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  225.887792][ T4671] Call Trace:
[  225.891102][ T4671]  <TASK>
[  225.894060][ T4671]  dump_stack_lvl+0x188/0x250
[  225.898776][ T4671]  ? show_regs_print_info+0x20/0x20
[  225.904012][ T4671]  ? load_image+0x400/0x400
[  225.908562][ T4671]  sysfs_create_dir_ns+0x26a/0x290
[  225.913919][ T4671]  ? sysfs_warn_dup+0xa0/0xa0
[  225.918630][ T4671]  ? do_raw_spin_unlock+0x11d/0x230
[  225.923964][ T4671]  kobject_add_internal+0x6e0/0xd90
[  225.929246][ T4671]  kobject_init_and_add+0x128/0x190
[  225.934483][ T4671]  ? lockdep_softirqs_off+0x430/0x430
[  225.939894][ T4671]  ? kobject_add+0x230/0x230
[  225.944524][ T4671]  ? __init_swait_queue_head+0xa5/0x150
[  225.950116][ T4671]  gfs2_sys_fs_add+0x24f/0x4b0
[  225.954914][ T4671]  ? gfs2_recover_set+0x240/0x240
[  225.959970][ T4671]  ? snprintf+0xe5/0x140
[  225.964242][ T4671]  ? __free_pages+0x95/0x1a0
[  225.968890][ T4671]  ? vscnprintf+0x80/0x80
[  225.973275][ T4671]  gfs2_fill_super+0x120f/0x1f00
[  225.978267][ T4671]  ? gfs2_reconfigure+0xd30/0xd30
[  225.983340][ T4671]  ? sb_set_blocksize+0xa5/0xe0
[  225.988249][ T4671]  get_tree_bdev+0x3f1/0x610
[  225.992880][ T4671]  ? gfs2_reconfigure+0xd30/0xd30
[  225.997930][ T4671]  gfs2_get_tree+0x4d/0x1e0
[  226.002465][ T4671]  vfs_get_tree+0x88/0x270
[  226.006910][ T4671]  do_new_mount+0x24a/0xa40
[  226.011459][ T4671]  __se_sys_mount+0x2e3/0x3d0
[  226.016168][ T4671]  ? __x64_sys_mount+0xc0/0xc0
[  226.020961][ T4671]  ? lockdep_hardirqs_on+0x94/0x140
[  226.026194][ T4671]  ? __x64_sys_mount+0x1c/0xc0
[  226.030989][ T4671]  do_syscall_64+0x4c/0xa0
[  226.035435][ T4671]  ? clear_bhb_loop+0x30/0x80
[  226.040157][ T4671]  ? clear_bhb_loop+0x30/0x80
[  226.044870][ T4671]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.050790][ T4671] RIP: 0033:0x7fa42fc95f4a
[  226.055230][ T4671] 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
[  226.074878][ T4671] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.083323][ T4671] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  226.091325][ T4671] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  226.099319][ T4671] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  226.107317][ T4671] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  226.115311][ T4671] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  226.123326][ T4671]  </TASK>
[  226.133275][ T4671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.147688][ T4671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  226.446738][ T4672] loop1: detected capacity change from 0 to 32768
[  226.511649][ T4672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  226.519073][ T4672] CPU: 0 PID: 4672 Comm: syz.1.203 Not tainted syzkaller #0
[  226.526394][ T4672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  226.536479][ T4672] Call Trace:
[  226.539786][ T4672]  <TASK>
[  226.542743][ T4672]  dump_stack_lvl+0x188/0x250
[  226.547483][ T4672]  ? show_regs_print_info+0x20/0x20
[  226.552712][ T4672]  ? load_image+0x400/0x400
[  226.557262][ T4672]  sysfs_create_dir_ns+0x26a/0x290
[  226.562418][ T4672]  ? sysfs_warn_dup+0xa0/0xa0
[  226.567124][ T4672]  ? do_raw_spin_unlock+0x11d/0x230
[  226.572357][ T4672]  kobject_add_internal+0x6e0/0xd90
[  226.577594][ T4672]  kobject_init_and_add+0x128/0x190
[  226.582825][ T4672]  ? lockdep_softirqs_off+0x430/0x430
[  226.588233][ T4672]  ? kobject_add+0x230/0x230
[  226.592871][ T4672]  ? __init_swait_queue_head+0xa5/0x150
[  226.598455][ T4672]  gfs2_sys_fs_add+0x24f/0x4b0
[  226.603256][ T4672]  ? gfs2_recover_set+0x240/0x240
[  226.608326][ T4672]  ? snprintf+0xe5/0x140
[  226.612594][ T4672]  ? __free_pages+0x95/0x1a0
[  226.617214][ T4672]  ? vscnprintf+0x80/0x80
[  226.621677][ T4672]  gfs2_fill_super+0x120f/0x1f00
[  226.626666][ T4672]  ? gfs2_reconfigure+0xd30/0xd30
[  226.631738][ T4672]  ? sb_set_blocksize+0xa5/0xe0
[  226.636741][ T4672]  get_tree_bdev+0x3f1/0x610
[  226.641368][ T4672]  ? gfs2_reconfigure+0xd30/0xd30
[  226.646424][ T4672]  gfs2_get_tree+0x4d/0x1e0
[  226.650957][ T4672]  vfs_get_tree+0x88/0x270
[  226.655404][ T4672]  do_new_mount+0x24a/0xa40
[  226.659963][ T4672]  __se_sys_mount+0x2e3/0x3d0
[  226.664679][ T4672]  ? __x64_sys_mount+0xc0/0xc0
[  226.669489][ T4672]  ? lockdep_hardirqs_on+0x94/0x140
[  226.674717][ T4672]  ? __x64_sys_mount+0x1c/0xc0
[  226.679513][ T4672]  do_syscall_64+0x4c/0xa0
[  226.683957][ T4672]  ? clear_bhb_loop+0x30/0x80
[  226.688665][ T4672]  ? clear_bhb_loop+0x30/0x80
[  226.693370][ T4672]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  226.699291][ T4672] RIP: 0033:0x7fa42fc95f4a
[  226.703730][ T4672] 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
[  226.723359][ T4672] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  226.731808][ T4672] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  226.740016][ T4672] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  226.748041][ T4672] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  226.756022][ T4672] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  226.764008][ T4672] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  226.772001][ T4672]  </TASK>
[  226.776821][ T4672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  226.790840][ T4672] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.158284][ T4673] loop1: detected capacity change from 0 to 32768
[  227.211376][ T4673] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.218896][ T4673] CPU: 1 PID: 4673 Comm: syz.1.204 Not tainted syzkaller #0
[  227.226211][ T4673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  227.236296][ T4673] Call Trace:
[  227.239618][ T4673]  <TASK>
[  227.242598][ T4673]  dump_stack_lvl+0x188/0x250
[  227.247317][ T4673]  ? show_regs_print_info+0x20/0x20
[  227.252564][ T4673]  ? load_image+0x400/0x400
[  227.257145][ T4673]  sysfs_create_dir_ns+0x26a/0x290
[  227.262300][ T4673]  ? sysfs_warn_dup+0xa0/0xa0
[  227.267016][ T4673]  ? do_raw_spin_unlock+0x11d/0x230
[  227.272275][ T4673]  kobject_add_internal+0x6e0/0xd90
[  227.277595][ T4673]  kobject_init_and_add+0x128/0x190
[  227.282822][ T4673]  ? lockdep_softirqs_off+0x430/0x430
[  227.288701][ T4673]  ? kobject_add+0x230/0x230
[  227.293341][ T4673]  ? __init_swait_queue_head+0xa5/0x150
[  227.298933][ T4673]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.303737][ T4673]  ? gfs2_recover_set+0x240/0x240
[  227.308805][ T4673]  ? snprintf+0xe5/0x140
[  227.313077][ T4673]  ? __free_pages+0x95/0x1a0
[  227.317697][ T4673]  ? vscnprintf+0x80/0x80
[  227.322128][ T4673]  gfs2_fill_super+0x120f/0x1f00
[  227.327111][ T4673]  ? gfs2_reconfigure+0xd30/0xd30
[  227.332178][ T4673]  ? sb_set_blocksize+0xa5/0xe0
[  227.337058][ T4673]  get_tree_bdev+0x3f1/0x610
[  227.341676][ T4673]  ? gfs2_reconfigure+0xd30/0xd30
[  227.346744][ T4673]  gfs2_get_tree+0x4d/0x1e0
[  227.351277][ T4673]  vfs_get_tree+0x88/0x270
[  227.355736][ T4673]  do_new_mount+0x24a/0xa40
[  227.360278][ T4673]  __se_sys_mount+0x2e3/0x3d0
[  227.364996][ T4673]  ? __x64_sys_mount+0xc0/0xc0
[  227.369798][ T4673]  ? lockdep_hardirqs_on+0x94/0x140
[  227.375029][ T4673]  ? __x64_sys_mount+0x1c/0xc0
[  227.379825][ T4673]  do_syscall_64+0x4c/0xa0
[  227.384271][ T4673]  ? clear_bhb_loop+0x30/0x80
[  227.388986][ T4673]  ? clear_bhb_loop+0x30/0x80
[  227.393696][ T4673]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  227.399630][ T4673] RIP: 0033:0x7fa42fc95f4a
[  227.404074][ T4673] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  227.423710][ T4673] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  227.432169][ T4673] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  227.440188][ T4673] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  227.448189][ T4673] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  227.456192][ T4673] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  227.464197][ T4673] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  227.472211][ T4673]  </TASK>
[  227.479554][ T4673] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  227.494480][ T4673] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  227.876152][ T4674] loop1: detected capacity change from 0 to 32768
[  227.897134][ T4674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  227.905936][ T4674] CPU: 0 PID: 4674 Comm: syz.1.205 Not tainted syzkaller #0
[  227.913270][ T4674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  227.923357][ T4674] Call Trace:
[  227.926664][ T4674]  <TASK>
[  227.929636][ T4674]  dump_stack_lvl+0x188/0x250
[  227.934365][ T4674]  ? show_regs_print_info+0x20/0x20
[  227.939605][ T4674]  ? load_image+0x400/0x400
[  227.944161][ T4674]  sysfs_create_dir_ns+0x26a/0x290
[  227.949391][ T4674]  ? sysfs_warn_dup+0xa0/0xa0
[  227.954102][ T4674]  ? do_raw_spin_unlock+0x11d/0x230
[  227.959340][ T4674]  kobject_add_internal+0x6e0/0xd90
[  227.964580][ T4674]  kobject_init_and_add+0x128/0x190
[  227.969808][ T4674]  ? lockdep_softirqs_off+0x430/0x430
[  227.975223][ T4674]  ? kobject_add+0x230/0x230
[  227.979854][ T4674]  ? __init_swait_queue_head+0xa5/0x150
[  227.985455][ T4674]  gfs2_sys_fs_add+0x24f/0x4b0
[  227.990267][ T4674]  ? gfs2_recover_set+0x240/0x240
[  227.995330][ T4674]  ? snprintf+0xe5/0x140
[  227.999612][ T4674]  ? __free_pages+0x95/0x1a0
[  228.004249][ T4674]  ? vscnprintf+0x80/0x80
[  228.008650][ T4674]  gfs2_fill_super+0x120f/0x1f00
[  228.013645][ T4674]  ? gfs2_reconfigure+0xd30/0xd30
[  228.018731][ T4674]  ? sb_set_blocksize+0xa5/0xe0
[  228.023614][ T4674]  get_tree_bdev+0x3f1/0x610
[  228.028259][ T4674]  ? gfs2_reconfigure+0xd30/0xd30
[  228.033314][ T4674]  gfs2_get_tree+0x4d/0x1e0
[  228.037870][ T4674]  vfs_get_tree+0x88/0x270
[  228.042314][ T4674]  do_new_mount+0x24a/0xa40
[  228.046858][ T4674]  __se_sys_mount+0x2e3/0x3d0
[  228.051574][ T4674]  ? __x64_sys_mount+0xc0/0xc0
[  228.056380][ T4674]  ? lockdep_hardirqs_on+0x94/0x140
[  228.061700][ T4674]  ? __x64_sys_mount+0x1c/0xc0
[  228.066494][ T4674]  do_syscall_64+0x4c/0xa0
[  228.070975][ T4674]  ? clear_bhb_loop+0x30/0x80
[  228.075685][ T4674]  ? clear_bhb_loop+0x30/0x80
[  228.080401][ T4674]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.086883][ T4674] RIP: 0033:0x7fa42fc95f4a
[  228.091330][ T4674] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  228.110982][ T4674] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.119444][ T4674] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  228.127454][ T4674] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  228.135471][ T4674] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  228.143490][ T4674] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  228.151495][ T4674] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  228.159689][ T4674]  </TASK>
[  228.168232][ T4674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.184124][ T4674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  228.450490][ T4675] loop1: detected capacity change from 0 to 32768
[  228.507898][ T4675] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  228.518852][ T4675] CPU: 1 PID: 4675 Comm: syz.1.206 Not tainted syzkaller #0
[  228.526212][ T4675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  228.536315][ T4675] Call Trace:
[  228.539623][ T4675]  <TASK>
[  228.542586][ T4675]  dump_stack_lvl+0x188/0x250
[  228.547321][ T4675]  ? show_regs_print_info+0x20/0x20
[  228.552570][ T4675]  ? load_image+0x400/0x400
[  228.557131][ T4675]  sysfs_create_dir_ns+0x26a/0x290
[  228.562289][ T4675]  ? sysfs_warn_dup+0xa0/0xa0
[  228.567010][ T4675]  ? do_raw_spin_unlock+0x11d/0x230
[  228.572256][ T4675]  kobject_add_internal+0x6e0/0xd90
[  228.577506][ T4675]  kobject_init_and_add+0x128/0x190
[  228.582741][ T4675]  ? lockdep_softirqs_off+0x430/0x430
[  228.588169][ T4675]  ? kobject_add+0x230/0x230
[  228.592805][ T4675]  ? __init_swait_queue_head+0xa5/0x150
[  228.598396][ T4675]  gfs2_sys_fs_add+0x24f/0x4b0
[  228.603204][ T4675]  ? gfs2_recover_set+0x240/0x240
[  228.608272][ T4675]  ? snprintf+0xe5/0x140
[  228.612555][ T4675]  ? __free_pages+0x95/0x1a0
[  228.617194][ T4675]  ? vscnprintf+0x80/0x80
[  228.621570][ T4675]  gfs2_fill_super+0x120f/0x1f00
[  228.626553][ T4675]  ? gfs2_reconfigure+0xd30/0xd30
[  228.631633][ T4675]  ? sb_set_blocksize+0xa5/0xe0
[  228.636523][ T4675]  get_tree_bdev+0x3f1/0x610
[  228.641147][ T4675]  ? gfs2_reconfigure+0xd30/0xd30
[  228.646205][ T4675]  gfs2_get_tree+0x4d/0x1e0
[  228.650753][ T4675]  vfs_get_tree+0x88/0x270
[  228.655212][ T4675]  do_new_mount+0x24a/0xa40
[  228.659761][ T4675]  __se_sys_mount+0x2e3/0x3d0
[  228.664475][ T4675]  ? __x64_sys_mount+0xc0/0xc0
[  228.669274][ T4675]  ? lockdep_hardirqs_on+0x94/0x140
[  228.674591][ T4675]  ? __x64_sys_mount+0x1c/0xc0
[  228.679572][ T4675]  do_syscall_64+0x4c/0xa0
[  228.684016][ T4675]  ? clear_bhb_loop+0x30/0x80
[  228.688821][ T4675]  ? clear_bhb_loop+0x30/0x80
[  228.693528][ T4675]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  228.699463][ T4675] RIP: 0033:0x7fa42fc95f4a
[  228.703908][ T4675] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  228.723641][ T4675] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  228.732100][ T4675] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  228.740215][ T4675] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  228.748225][ T4675] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  228.756229][ T4675] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  228.764242][ T4675] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  228.772272][ T4675]  </TASK>
[  228.788308][ T4675] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  228.802956][ T4675] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  229.084332][ T4677] loop1: detected capacity change from 0 to 32768
[  229.141392][ T4677] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.148828][ T4677] CPU: 1 PID: 4677 Comm: syz.1.207 Not tainted syzkaller #0
[  229.156148][ T4677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.166250][ T4677] Call Trace:
[  229.169562][ T4677]  <TASK>
[  229.172539][ T4677]  dump_stack_lvl+0x188/0x250
[  229.177270][ T4677]  ? show_regs_print_info+0x20/0x20
[  229.182511][ T4677]  ? load_image+0x400/0x400
[  229.187073][ T4677]  sysfs_create_dir_ns+0x26a/0x290
[  229.192580][ T4677]  ? sysfs_warn_dup+0xa0/0xa0
[  229.197307][ T4677]  ? do_raw_spin_unlock+0x11d/0x230
[  229.202550][ T4677]  kobject_add_internal+0x6e0/0xd90
[  229.207800][ T4677]  kobject_init_and_add+0x128/0x190
[  229.213063][ T4677]  ? lockdep_softirqs_off+0x430/0x430
[  229.218480][ T4677]  ? kobject_add+0x230/0x230
[  229.223130][ T4677]  ? __init_swait_queue_head+0xa5/0x150
[  229.228716][ T4677]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.233521][ T4677]  ? gfs2_recover_set+0x240/0x240
[  229.238601][ T4677]  ? snprintf+0xe5/0x140
[  229.242885][ T4677]  ? __free_pages+0x95/0x1a0
[  229.247518][ T4677]  ? vscnprintf+0x80/0x80
[  229.251899][ T4677]  gfs2_fill_super+0x120f/0x1f00
[  229.256892][ T4677]  ? gfs2_reconfigure+0xd30/0xd30
[  229.262577][ T4677]  ? sb_set_blocksize+0xa5/0xe0
[  229.267469][ T4677]  get_tree_bdev+0x3f1/0x610
[  229.272093][ T4677]  ? gfs2_reconfigure+0xd30/0xd30
[  229.277154][ T4677]  gfs2_get_tree+0x4d/0x1e0
[  229.281692][ T4677]  vfs_get_tree+0x88/0x270
[  229.286143][ T4677]  do_new_mount+0x24a/0xa40
[  229.290687][ T4677]  __se_sys_mount+0x2e3/0x3d0
[  229.295488][ T4677]  ? __x64_sys_mount+0xc0/0xc0
[  229.300284][ T4677]  ? lockdep_hardirqs_on+0x94/0x140
[  229.305520][ T4677]  ? __x64_sys_mount+0x1c/0xc0
[  229.310323][ T4677]  do_syscall_64+0x4c/0xa0
[  229.314770][ T4677]  ? clear_bhb_loop+0x30/0x80
[  229.319483][ T4677]  ? clear_bhb_loop+0x30/0x80
[  229.324198][ T4677]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.330224][ T4677] RIP: 0033:0x7fa42fc95f4a
[  229.334761][ T4677] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  229.355006][ T4677] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.363468][ T4677] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  229.371925][ T4677] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  229.379932][ T4677] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  229.387935][ T4677] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  229.395941][ T4677] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  229.403969][ T4677]  </TASK>
[  229.413100][ T4677] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  229.427895][ T4677] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/25 05:28:57 executed programs: 193
[  229.708205][ T4679] loop1: detected capacity change from 0 to 32768
[  229.772357][ T4679] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  229.779792][ T4679] CPU: 0 PID: 4679 Comm: syz.1.208 Not tainted syzkaller #0
[  229.787110][ T4679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  229.797205][ T4679] Call Trace:
[  229.800545][ T4679]  <TASK>
[  229.803593][ T4679]  dump_stack_lvl+0x188/0x250
[  229.808317][ T4679]  ? show_regs_print_info+0x20/0x20
[  229.813569][ T4679]  ? load_image+0x400/0x400
[  229.818127][ T4679]  sysfs_create_dir_ns+0x26a/0x290
[  229.823281][ T4679]  ? sysfs_warn_dup+0xa0/0xa0
[  229.827998][ T4679]  ? do_raw_spin_unlock+0x11d/0x230
[  229.833241][ T4679]  kobject_add_internal+0x6e0/0xd90
[  229.838633][ T4679]  kobject_init_and_add+0x128/0x190
[  229.843903][ T4679]  ? lockdep_softirqs_off+0x430/0x430
[  229.849320][ T4679]  ? kobject_add+0x230/0x230
[  229.853953][ T4679]  ? __init_swait_queue_head+0xa5/0x150
[  229.859538][ T4679]  gfs2_sys_fs_add+0x24f/0x4b0
[  229.864344][ T4679]  ? gfs2_recover_set+0x240/0x240
[  229.869418][ T4679]  ? snprintf+0xe5/0x140
[  229.873726][ T4679]  ? __free_pages+0x95/0x1a0
[  229.878377][ T4679]  ? vscnprintf+0x80/0x80
[  229.882791][ T4679]  gfs2_fill_super+0x120f/0x1f00
[  229.887790][ T4679]  ? gfs2_reconfigure+0xd30/0xd30
[  229.892868][ T4679]  ? sb_set_blocksize+0xa5/0xe0
[  229.897760][ T4679]  get_tree_bdev+0x3f1/0x610
[  229.902402][ T4679]  ? gfs2_reconfigure+0xd30/0xd30
[  229.907465][ T4679]  gfs2_get_tree+0x4d/0x1e0
[  229.912788][ T4679]  vfs_get_tree+0x88/0x270
[  229.917242][ T4679]  do_new_mount+0x24a/0xa40
[  229.921791][ T4679]  __se_sys_mount+0x2e3/0x3d0
[  229.926504][ T4679]  ? __x64_sys_mount+0xc0/0xc0
[  229.931313][ T4679]  ? lockdep_hardirqs_on+0x94/0x140
[  229.936543][ T4679]  ? __x64_sys_mount+0x1c/0xc0
[  229.941344][ T4679]  do_syscall_64+0x4c/0xa0
[  229.945793][ T4679]  ? clear_bhb_loop+0x30/0x80
[  229.950504][ T4679]  ? clear_bhb_loop+0x30/0x80
[  229.955216][ T4679]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  229.961141][ T4679] RIP: 0033:0x7fa42fc95f4a
[  229.965677][ T4679] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  229.985317][ T4679] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  229.993773][ T4679] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  230.001783][ T4679] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  230.009883][ T4679] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  230.017883][ T4679] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  230.025891][ T4679] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  230.033916][ T4679]  </TASK>
[  230.051568][ T4679] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.065441][ T4679] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  230.377568][ T4681] loop1: detected capacity change from 0 to 32768
[  230.441920][ T4681] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  230.449384][ T4681] CPU: 0 PID: 4681 Comm: syz.1.209 Not tainted syzkaller #0
[  230.456706][ T4681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  230.466801][ T4681] Call Trace:
[  230.470119][ T4681]  <TASK>
[  230.473081][ T4681]  dump_stack_lvl+0x188/0x250
[  230.477806][ T4681]  ? show_regs_print_info+0x20/0x20
[  230.483051][ T4681]  ? load_image+0x400/0x400
[  230.487662][ T4681]  sysfs_create_dir_ns+0x26a/0x290
[  230.492816][ T4681]  ? sysfs_warn_dup+0xa0/0xa0
[  230.497547][ T4681]  ? do_raw_spin_unlock+0x11d/0x230
[  230.502797][ T4681]  kobject_add_internal+0x6e0/0xd90
[  230.508753][ T4681]  kobject_init_and_add+0x128/0x190
[  230.514148][ T4681]  ? lockdep_softirqs_off+0x430/0x430
[  230.519576][ T4681]  ? kobject_add+0x230/0x230
[  230.524212][ T4681]  ? __init_swait_queue_head+0xa5/0x150
[  230.529810][ T4681]  gfs2_sys_fs_add+0x24f/0x4b0
[  230.534611][ T4681]  ? gfs2_recover_set+0x240/0x240
[  230.539669][ T4681]  ? snprintf+0xe5/0x140
[  230.543951][ T4681]  ? __free_pages+0x95/0x1a0
[  230.548581][ T4681]  ? vscnprintf+0x80/0x80
[  230.552962][ T4681]  gfs2_fill_super+0x120f/0x1f00
[  230.557953][ T4681]  ? gfs2_reconfigure+0xd30/0xd30
[  230.563026][ T4681]  ? sb_set_blocksize+0xa5/0xe0
[  230.567918][ T4681]  get_tree_bdev+0x3f1/0x610
[  230.572545][ T4681]  ? gfs2_reconfigure+0xd30/0xd30
[  230.577608][ T4681]  gfs2_get_tree+0x4d/0x1e0
[  230.582150][ T4681]  vfs_get_tree+0x88/0x270
[  230.586602][ T4681]  do_new_mount+0x24a/0xa40
[  230.591146][ T4681]  __se_sys_mount+0x2e3/0x3d0
[  230.595867][ T4681]  ? __x64_sys_mount+0xc0/0xc0
[  230.600670][ T4681]  ? lockdep_hardirqs_on+0x94/0x140
[  230.605906][ T4681]  ? __x64_sys_mount+0x1c/0xc0
[  230.610705][ T4681]  do_syscall_64+0x4c/0xa0
[  230.615149][ T4681]  ? clear_bhb_loop+0x30/0x80
[  230.619858][ T4681]  ? clear_bhb_loop+0x30/0x80
[  230.624571][ T4681]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  230.630506][ T4681] RIP: 0033:0x7fa42fc95f4a
[  230.634947][ T4681] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  230.654589][ T4681] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  230.663047][ T4681] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  230.671051][ T4681] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  230.679052][ T4681] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  230.687049][ T4681] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  230.695057][ T4681] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  230.703307][ T4681]  </TASK>
[  230.711498][ T4681] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  230.724815][ T4681] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.126125][ T4683] loop1: detected capacity change from 0 to 32768
[  231.148763][ T4683] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.156385][ T4683] CPU: 1 PID: 4683 Comm: syz.1.210 Not tainted syzkaller #0
[  231.163716][ T4683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.173988][ T4683] Call Trace:
[  231.177305][ T4683]  <TASK>
[  231.180263][ T4683]  dump_stack_lvl+0x188/0x250
[  231.184987][ T4683]  ? show_regs_print_info+0x20/0x20
[  231.190225][ T4683]  ? load_image+0x400/0x400
[  231.194785][ T4683]  sysfs_create_dir_ns+0x26a/0x290
[  231.199933][ T4683]  ? sysfs_warn_dup+0xa0/0xa0
[  231.204646][ T4683]  ? do_raw_spin_unlock+0x11d/0x230
[  231.209894][ T4683]  kobject_add_internal+0x6e0/0xd90
[  231.215182][ T4683]  kobject_init_and_add+0x128/0x190
[  231.220420][ T4683]  ? lockdep_softirqs_off+0x430/0x430
[  231.225846][ T4683]  ? kobject_add+0x230/0x230
[  231.230480][ T4683]  ? __init_swait_queue_head+0xa5/0x150
[  231.236077][ T4683]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.240887][ T4683]  ? gfs2_recover_set+0x240/0x240
[  231.246041][ T4683]  ? snprintf+0xe5/0x140
[  231.250332][ T4683]  ? __free_pages+0x95/0x1a0
[  231.254964][ T4683]  ? vscnprintf+0x80/0x80
[  231.259370][ T4683]  gfs2_fill_super+0x120f/0x1f00
[  231.264392][ T4683]  ? gfs2_reconfigure+0xd30/0xd30
[  231.269474][ T4683]  ? sb_set_blocksize+0xa5/0xe0
[  231.274500][ T4683]  get_tree_bdev+0x3f1/0x610
[  231.279141][ T4683]  ? gfs2_reconfigure+0xd30/0xd30
[  231.284210][ T4683]  gfs2_get_tree+0x4d/0x1e0
[  231.288762][ T4683]  vfs_get_tree+0x88/0x270
[  231.293223][ T4683]  do_new_mount+0x24a/0xa40
[  231.297775][ T4683]  __se_sys_mount+0x2e3/0x3d0
[  231.302543][ T4683]  ? __x64_sys_mount+0xc0/0xc0
[  231.307353][ T4683]  ? lockdep_hardirqs_on+0x94/0x140
[  231.312598][ T4683]  ? __x64_sys_mount+0x1c/0xc0
[  231.317397][ T4683]  do_syscall_64+0x4c/0xa0
[  231.321847][ T4683]  ? clear_bhb_loop+0x30/0x80
[  231.326560][ T4683]  ? clear_bhb_loop+0x30/0x80
[  231.331275][ T4683]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  231.337293][ T4683] RIP: 0033:0x7fa42fc95f4a
[  231.341743][ T4683] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  231.361471][ T4683] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  231.369924][ T4683] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  231.377931][ T4683] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  231.385938][ T4683] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  231.393941][ T4683] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  231.401948][ T4683] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  231.409969][ T4683]  </TASK>
[  231.420492][ T4683] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  231.436062][ T4683] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  231.817558][ T4685] loop1: detected capacity change from 0 to 32768
[  231.828248][ T4685] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  231.836614][ T4685] CPU: 0 PID: 4685 Comm: syz.1.211 Not tainted syzkaller #0
[  231.844388][ T4685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  231.854480][ T4685] Call Trace:
[  231.857790][ T4685]  <TASK>
[  231.860750][ T4685]  dump_stack_lvl+0x188/0x250
[  231.865535][ T4685]  ? show_regs_print_info+0x20/0x20
[  231.870771][ T4685]  ? load_image+0x400/0x400
[  231.875411][ T4685]  sysfs_create_dir_ns+0x26a/0x290
[  231.880569][ T4685]  ? sysfs_warn_dup+0xa0/0xa0
[  231.885282][ T4685]  ? do_raw_spin_unlock+0x11d/0x230
[  231.890616][ T4685]  kobject_add_internal+0x6e0/0xd90
[  231.895863][ T4685]  kobject_init_and_add+0x128/0x190
[  231.901101][ T4685]  ? lockdep_softirqs_off+0x430/0x430
[  231.906518][ T4685]  ? kobject_add+0x230/0x230
[  231.911145][ T4685]  ? __init_swait_queue_head+0xa5/0x150
[  231.916723][ T4685]  gfs2_sys_fs_add+0x24f/0x4b0
[  231.921553][ T4685]  ? gfs2_recover_set+0x240/0x240
[  231.926616][ T4685]  ? snprintf+0xe5/0x140
[  231.930895][ T4685]  ? __free_pages+0x95/0x1a0
[  231.935523][ T4685]  ? vscnprintf+0x80/0x80
[  231.939897][ T4685]  gfs2_fill_super+0x120f/0x1f00
[  231.945118][ T4685]  ? gfs2_reconfigure+0xd30/0xd30
[  231.950197][ T4685]  ? sb_set_blocksize+0xa5/0xe0
[  231.955079][ T4685]  get_tree_bdev+0x3f1/0x610
[  231.959703][ T4685]  ? gfs2_reconfigure+0xd30/0xd30
[  231.964766][ T4685]  gfs2_get_tree+0x4d/0x1e0
[  231.969317][ T4685]  vfs_get_tree+0x88/0x270
[  231.973775][ T4685]  do_new_mount+0x24a/0xa40
[  231.978362][ T4685]  __se_sys_mount+0x2e3/0x3d0
[  231.983086][ T4685]  ? __x64_sys_mount+0xc0/0xc0
[  231.987910][ T4685]  ? lockdep_hardirqs_on+0x94/0x140
[  231.993142][ T4685]  ? __x64_sys_mount+0x1c/0xc0
[  231.997953][ T4685]  do_syscall_64+0x4c/0xa0
[  232.002400][ T4685]  ? clear_bhb_loop+0x30/0x80
[  232.007200][ T4685]  ? clear_bhb_loop+0x30/0x80
[  232.011911][ T4685]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.017849][ T4685] RIP: 0033:0x7fa42fc95f4a
[  232.022296][ T4685] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.041938][ T4685] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.050389][ T4685] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  232.058398][ T4685] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  232.066406][ T4685] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  232.074426][ T4685] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  232.082431][ T4685] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  232.090438][ T4685]  </TASK>
[  232.094783][ T4685] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.108430][ T4685] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.471561][ T4686] loop1: detected capacity change from 0 to 32768
[  232.521501][ T4686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  232.528936][ T4686] CPU: 0 PID: 4686 Comm: syz.1.212 Not tainted syzkaller #0
[  232.536283][ T4686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  232.546477][ T4686] Call Trace:
[  232.549796][ T4686]  <TASK>
[  232.552760][ T4686]  dump_stack_lvl+0x188/0x250
[  232.557483][ T4686]  ? show_regs_print_info+0x20/0x20
[  232.562721][ T4686]  ? load_image+0x400/0x400
[  232.567274][ T4686]  sysfs_create_dir_ns+0x26a/0x290
[  232.572433][ T4686]  ? sysfs_warn_dup+0xa0/0xa0
[  232.577154][ T4686]  ? do_raw_spin_unlock+0x11d/0x230
[  232.582409][ T4686]  kobject_add_internal+0x6e0/0xd90
[  232.583105][   T27] INFO: task syz-executor:4319 blocked for more than 143 seconds.
[  232.587712][ T4686]  kobject_init_and_add+0x128/0x190
[  232.587738][ T4686]  ? lockdep_softirqs_off+0x430/0x430
[  232.587769][ T4686]  ? kobject_add+0x230/0x230
[  232.610867][ T4686]  ? __init_swait_queue_head+0xa5/0x150
[  232.616457][ T4686]  gfs2_sys_fs_add+0x24f/0x4b0
[  232.621272][ T4686]  ? gfs2_recover_set+0x240/0x240
[  232.626342][ T4686]  ? snprintf+0xe5/0x140
[  232.626805][   T27]       Not tainted syzkaller #0
[  232.630612][ T4686]  ? __free_pages+0x95/0x1a0
[  232.640168][ T4686]  ? vscnprintf+0x80/0x80
[  232.644543][ T4686]  gfs2_fill_super+0x120f/0x1f00
[  232.649519][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  232.649531][ T4686]  ? gfs2_reconfigure+0xd30/0xd30
[  232.663297][ T4686]  ? sb_set_blocksize+0xa5/0xe0
[  232.668195][ T4686]  get_tree_bdev+0x3f1/0x610
[  232.669270][   T27] task:syz-executor    state:D
[  232.672815][ T4686]  ? gfs2_reconfigure+0xd30/0xd30
[  232.672844][ T4686]  gfs2_get_tree+0x4d/0x1e0
[  232.677634][   T27]  stack:21808 pid: 4319 ppid:     1 flags:0x00004004
[  232.682869][ T4686]  vfs_get_tree+0x88/0x270
[  232.682903][ T4686]  do_new_mount+0x24a/0xa40
[  232.682933][ T4686]  __se_sys_mount+0x2e3/0x3d0
[  232.682961][ T4686]  ? __x64_sys_mount+0xc0/0xc0
[  232.682985][ T4686]  ? lockdep_hardirqs_on+0x94/0x140
[  232.683007][ T4686]  ? __x64_sys_mount+0x1c/0xc0
[  232.683032][ T4686]  do_syscall_64+0x4c/0xa0
[  232.683050][ T4686]  ? clear_bhb_loop+0x30/0x80
[  232.711279][   T27] Call Trace:
[  232.712918][ T4686]  ? clear_bhb_loop+0x30/0x80
[  232.712950][ T4686]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  232.729011][   T27]  <TASK>
[  232.732069][ T4686] RIP: 0033:0x7fa42fc95f4a
[  232.732093][ T4686] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  232.732112][ T4686] RSP: 002b:00007ffceb4aad78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  232.732135][ T4686] RAX: ffffffffffffffda RBX: 00007ffceb4aae00 RCX: 00007fa42fc95f4a
[  232.732150][ T4686] RDX: 00002000000002c0 RSI: 0000200000000100 RDI: 00007ffceb4aadc0
[  232.732165][ T4686] RBP: 00002000000002c0 R08: 00007ffceb4aae00 R09: 0000000000008c9b
[  232.732181][ T4686] R10: 0000000000008c9b R11: 0000000000000246 R12: 0000200000000100
[  232.732195][ T4686] R13: 00007ffceb4aadc0 R14: 0000000000012760 R15: 0000200000000400
[  232.732224][ T4686]  </TASK>
[  232.748015][ T4686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  232.770737][   T27]  __schedule+0x11ef/0x43c0
[  232.776819][ T4686] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  232.815961][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  232.858816][   T27]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  232.865068][   T27]  ? _raw_spin_unlock+0x40/0x40
[  232.869976][   T27]  ? rcu_is_watching+0x11/0xa0
[  232.883724][   T27]  ? release_firmware_map_entry+0x190/0x190
[  232.889702][   T27]  schedule+0x11b/0x1e0
[  232.901240][   T27]  schedule_timeout+0x184/0x2d0
[  232.906227][   T27]  ? console_conditional_schedule+0x40/0x40
[  232.920652][   T27]  ? update_process_times+0x200/0x200
[  232.926934][   T27]  ? prepare_to_wait_event+0x42c/0x460
[  232.932542][   T27]  gfs2_gl_hash_clear+0x1ab/0x2f0
[  232.937712][   T27]  ? thaw_glock+0x150/0x150
[  232.942445][   T27]  ? gfs2_jindex_free+0x3a3/0x410
[  232.947520][   T27]  ? init_wait_entry+0xd0/0xd0
[  232.953206][   T27]  ? gfs2_setbit+0x5a0/0x5a0
[  232.957858][   T27]  gfs2_put_super+0x769/0x7d0
[  232.962755][   T27]  ? gfs2_evict_inode+0x1240/0x1240
[  232.968087][   T27]  generic_shutdown_super+0x130/0x300
[  232.973638][   T27]  kill_block_super+0x7c/0xe0
[  232.978358][   T27]  deactivate_locked_super+0x93/0xf0
[  232.983867][   T27]  cleanup_mnt+0x42d/0x4e0
[  232.988338][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  232.993637][   T27]  task_work_run+0x125/0x1a0
[  232.998363][   T27]  exit_to_user_mode_loop+0x10f/0x130
[  233.003989][   T27]  exit_to_user_mode_prepare+0xee/0x180
[  233.009661][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  233.015211][   T27]  do_syscall_64+0x58/0xa0
[  233.019664][   T27]  ? clear_bhb_loop+0x30/0x80
[  233.025202][   T27]  ? clear_bhb_loop+0x30/0x80
[  233.029933][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  233.036011][   T27] RIP: 0033:0x7fe05fe10f17
[  233.040468][   T27] RSP: 002b:00007ffc388b7f48 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[  233.049123][   T27] RAX: 0000000000000000 RBX: 00007fe05fe7971f RCX: 00007fe05fe10f17
[  233.057257][   T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc388b8000
[  233.066118][   T27] RBP: 00007ffc388b8000 R08: 00007ffc388b9000 R09: 00000000ffffffff
[  233.076586][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc388b9090
[  233.087807][   T27] R13: 00007fe05fe7971f R14: 000000000001467f R15: 00007ffc388b90d0
[  233.096134][   T27]  </TASK>
[  233.099253][   T27] 
[  233.099253][   T27] Showing all locks held in the system:
[  233.110481][   T27] 1 lock held by khungtaskd/27:
[  233.115803][   T27]  #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  233.131169][   T27] 2 locks held by kworker/0:3/1326:
[  233.136806][   T27] 2 locks held by getty/3949:
[  233.146358][   T27]  #0: ffff88802c770098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  233.156498][   T27]  #1: ffffc900025e62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[  233.166982][   T27] 1 lock held by syz-executor/4319:
[  233.172560][   T27]  #0: ffff88807620a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: deactivate_super+0xa0/0xd0
[  233.183247][   T27] 2 locks held by kworker/1:25/4425:
[  233.188568][   T27]  #0: ffff888016c72138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x761/0x1010
[  233.200322][   T27]  #1: ffffc9000358fd00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010
[  233.212115][   T27] 1 lock held by udevd/4456:
[  233.216975][   T27] 3 locks held by syz.1.213/4687:
[  233.222484][   T27] 2 locks held by dhcpcd/4688:
[  233.227278][   T27]  #0: ffff88807ddcc120 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x35/0xda0
[  233.237809][   T27]  #1: ffffffff8c323528 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2d1/0x750
[  233.257504][   T27] 
[  233.259896][   T27] =============================================
[  233.259896][   T27] 
[  233.271082][   T27] NMI backtrace for cpu 1
[  233.275451][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  233.282863][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  233.292946][   T27] Call Trace:
[  233.296253][   T27]  <TASK>
[  233.299387][   T27]  dump_stack_lvl+0x188/0x250
[  233.304105][   T27]  ? show_regs_print_info+0x20/0x20
[  233.309339][   T27]  ? load_image+0x400/0x400
[  233.313875][   T27]  ? tick_nohz_tick_stopped+0x7b/0xb0
[  233.319288][   T27]  ? nmi_cpu_backtrace+0x1b2/0x3d0
[  233.324444][   T27]  nmi_cpu_backtrace+0x3a2/0x3d0
[  233.329440][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  233.335627][   T27]  ? _printk+0xda/0x130
[  233.339824][   T27]  ? load_image+0x400/0x400
[  233.344364][   T27]  ? load_image+0x400/0x400
[  233.348896][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  233.355041][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  233.361142][   T27]  watchdog+0xe0f/0xe50
[  233.365335][   T27]  kthread+0x436/0x520
[  233.369440][   T27]  ? hungtask_pm_notify+0x40/0x40
[  233.374492][   T27]  ? kthread_blkcg+0xd0/0xd0
[  233.379250][   T27]  ret_from_fork+0x1f/0x30
[  233.383717][   T27]  </TASK>
[  233.387112][   T27] Sending NMI from CPU 1 to CPUs 0:
[  233.392425][    C0] NMI backtrace for cpu 0
[  233.392435][    C0] CPU: 0 PID: 1326 Comm: kworker/0:3 Not tainted syzkaller #0
[  233.392452][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  233.392463][    C0] Workqueue: events nsim_dev_trap_report_work
[  233.392492][    C0] RIP: 0010:stack_trace_consume_entry+0x132/0x270
[  233.392514][    C0] Code: 48 89 de 49 89 37 41 8b 18 41 0f b6 44 15 00 84 c0 0f 85 2f 01 00 00 41 3b 1e 0f 92 c0 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 44 89 c1 80 e1 07 80 c1 03 38 c1 0f 8c eb fe ff ff 48 89 fb
[  233.392528][    C0] RSP: 0000:ffffc900052d7618 EFLAGS: 00000296
[  233.392542][    C0] RAX: 0000000000000001 RBX: ffffc900052d76e0 RCX: 0000000080000001
[  233.392555][    C0] RDX: dffffc0000000000 RSI: ffffffff81bd8eef RDI: ffffc900052d76e0
[  233.392568][    C0] RBP: 1ffff92000a5aede R08: ffffc900052d76f0 R09: 0000000000000004
[  233.392580][    C0] R10: dffffc0000000000 R11: fffff52000a5aed1 R12: ffff888022d19dc0
[  233.392593][    C0] R13: ffff888075a92000 R14: ffffffff81679ee0 R15: ffffc900052d7628
[  233.392607][    C0] FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[  233.392622][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  233.392634][    C0] CR2: 00007fa427d32000 CR3: 0000000024e51000 CR4: 00000000003506f0
[  233.392649][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  233.392659][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  233.392670][    C0] Call Trace:
[  233.392675][    C0]  <TASK>
[  233.392681][    C0]  arch_stack_walk+0x100/0x140
[  233.392704][    C0]  ? kfree+0xef/0x2a0
[  233.392720][    C0]  ? kfree+0xef/0x2a0
[  233.392734][    C0]  stack_trace_save+0xa6/0xf0
[  233.392749][    C0]  ? stack_trace_snprint+0xf0/0xf0
[  233.392768][    C0]  ? kfree+0xef/0x2a0
[  233.392782][    C0]  ? memset+0x1e/0x40
[  233.392801][    C0]  kasan_set_track+0x4b/0x70
[  233.392817][    C0]  ? kasan_set_track+0x4b/0x70
[  233.392833][    C0]  ? kasan_set_free_info+0x1f/0x40
[  233.392850][    C0]  ? ____kasan_slab_free+0xd5/0x110
[  233.392867][    C0]  ? slab_free_freelist_hook+0xea/0x170
[  233.392883][    C0]  ? kfree+0xef/0x2a0
[  233.392918][    C0]  ? mark_lock+0x94/0x320
[  233.392933][    C0]  kasan_set_free_info+0x1f/0x40
[  233.392951][    C0]  ____kasan_slab_free+0xd5/0x110
[  233.392970][    C0]  slab_free_freelist_hook+0xea/0x170
[  233.392988][    C0]  ? skb_release_data+0x6b8/0x800
[  233.393006][    C0]  kfree+0xef/0x2a0
[  233.393023][    C0]  skb_release_data+0x6b8/0x800
[  233.393042][    C0]  ? skb_release_head_state+0x1e7/0x240
[  233.393062][    C0]  consume_skb+0xa2/0x100
[  233.393079][    C0]  nsim_dev_trap_report_work+0x7c8/0xb40
[  233.393109][    C0]  process_one_work+0x85f/0x1010
[  233.393134][    C0]  ? worker_detach_from_pool+0x240/0x240
[  233.393151][    C0]  ? lockdep_hardirqs_off+0x70/0x100
[  233.393172][    C0]  ? _raw_spin_lock_irq+0xb7/0xf0
[  233.393191][    C0]  ? _raw_spin_lock_irqsave+0x100/0x100
[  233.393212][    C0]  ? wq_worker_running+0x97/0x170
[  233.393230][    C0]  worker_thread+0xaa6/0x1290
[  233.393253][    C0]  ? lockdep_hardirqs_on+0x94/0x140
[  233.393270][    C0]  ? _raw_spin_unlock_irqrestore+0xc1/0x120
[  233.393296][    C0]  kthread+0x436/0x520
[  233.393311][    C0]  ? rcu_lock_release+0x20/0x20
[  233.393327][    C0]  ? kthread_blkcg+0xd0/0xd0
[  233.393343][    C0]  ret_from_fork+0x1f/0x30
[  233.393368][    C0]  </TASK>
[  233.409285][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  233.732833][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[  233.740065][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[  233.750160][   T27] Call Trace:
[  233.753473][   T27]  <TASK>
[  233.756434][   T27]  dump_stack_lvl+0x188/0x250
[  233.761148][   T27]  ? show_regs_print_info+0x20/0x20
[  233.766427][   T27]  ? load_image+0x400/0x400
[  233.770980][   T27]  panic+0x2e5/0x810
[  233.774906][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  233.780572][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  233.785107][   T27]  ? __irq_work_queue_local+0x12c/0x190
[  233.790702][   T27]  ? nmi_trigger_cpumask_backtrace+0x260/0x280
[  233.796894][   T27]  watchdog+0xe4e/0xe50
[  233.801094][   T27]  kthread+0x436/0x520
[  233.805194][   T27]  ? hungtask_pm_notify+0x40/0x40
[  233.810245][   T27]  ? kthread_blkcg+0xd0/0xd0
[  233.814862][   T27]  ret_from_fork+0x1f/0x30
[  233.819322][   T27]  </TASK>
[  233.822587][   T27] Kernel Offset: disabled
[  233.826948][   T27] Rebooting in 86400 seconds..