detected capacity change from 0 to 32768
[ 278.155949][ T4624] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.176156][ T4624] CPU: 1 PID: 4624 Comm: syz.1.180 Not tainted syzkaller #0
[ 278.183513][ T4624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 278.193602][ T4624] Call Trace:
[ 278.196920][ T4624]
[ 278.199893][ T4624] dump_stack_lvl+0x188/0x24e
[ 278.204628][ T4624] ? show_regs_print_info+0x12/0x12
[ 278.209888][ T4624] ? load_image+0x400/0x400
[ 278.214472][ T4624] sysfs_create_dir_ns+0x26a/0x290
[ 278.219665][ T4624] ? sysfs_warn_dup+0xa0/0xa0
[ 278.224783][ T4624] ? do_raw_spin_unlock+0x11d/0x230
[ 278.230101][ T4624] kobject_add_internal+0x61c/0xcc0
[ 278.235530][ T4624] kobject_init_and_add+0x128/0x190
[ 278.240771][ T4624] ? lockdep_softirqs_off+0x430/0x430
[ 278.246199][ T4624] ? kobject_add+0x230/0x230
[ 278.250931][ T4624] ? __init_swait_queue_head+0xa5/0x150
[ 278.256533][ T4624] gfs2_sys_fs_add+0x24f/0x4b0
[ 278.261349][ T4624] ? gfs2_recover_set+0x240/0x240
[ 278.266430][ T4624] ? snprintf+0xe5/0x140
[ 278.270799][ T4624] ? vscnprintf+0x80/0x80
[ 278.275190][ T4624] gfs2_fill_super+0x128c/0x1fb0
[ 278.280182][ T4624] ? gfs2_reconfigure+0xd30/0xd30
[ 278.285319][ T4624] ? sb_set_blocksize+0xa5/0xe0
[ 278.290198][ T4624] get_tree_bdev+0x3f1/0x610
[ 278.294860][ T4624] ? gfs2_reconfigure+0xd30/0xd30
[ 278.299907][ T4624] gfs2_get_tree+0x4d/0x1e0
[ 278.304445][ T4624] vfs_get_tree+0x88/0x270
[ 278.308898][ T4624] do_new_mount+0x24a/0xa40
[ 278.313516][ T4624] __se_sys_mount+0x2e3/0x3d0
[ 278.318231][ T4624] ? __x64_sys_mount+0xc0/0xc0
[ 278.323426][ T4624] ? lockdep_hardirqs_on+0x94/0x140
[ 278.328764][ T4624] ? __x64_sys_mount+0x1c/0xc0
[ 278.333562][ T4624] do_syscall_64+0x4c/0xa0
[ 278.338006][ T4624] ? clear_bhb_loop+0x60/0xb0
[ 278.342704][ T4624] ? clear_bhb_loop+0x60/0xb0
[ 278.347404][ T4624] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 278.353313][ T4624] RIP: 0033:0x7f7d2799e04a
[ 278.357743][ T4624] 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
[ 278.377467][ T4624] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.386083][ T4624] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 278.394086][ T4624] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 278.402077][ T4624] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 278.410098][ T4624] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 278.418192][ T4624] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 278.426232][ T4624]
[ 278.433847][ T4624] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.448010][ T4624] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.785142][ T4625] loop1: detected capacity change from 0 to 32768
[ 278.794490][ T4625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.802101][ T4625] CPU: 0 PID: 4625 Comm: syz.1.181 Not tainted syzkaller #0
[ 278.809518][ T4625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 278.819855][ T4625] Call Trace:
[ 278.823250][ T4625]
[ 278.826579][ T4625] dump_stack_lvl+0x188/0x24e
[ 278.831815][ T4625] ? show_regs_print_info+0x12/0x12
[ 278.837041][ T4625] ? load_image+0x400/0x400
[ 278.841575][ T4625] sysfs_create_dir_ns+0x26a/0x290
[ 278.846795][ T4625] ? sysfs_warn_dup+0xa0/0xa0
[ 278.851491][ T4625] ? do_raw_spin_unlock+0x11d/0x230
[ 278.856892][ T4625] kobject_add_internal+0x61c/0xcc0
[ 278.862119][ T4625] kobject_init_and_add+0x128/0x190
[ 278.867374][ T4625] ? lockdep_softirqs_off+0x430/0x430
[ 278.872772][ T4625] ? kobject_add+0x230/0x230
[ 278.877558][ T4625] ? __init_swait_queue_head+0xa5/0x150
[ 278.883124][ T4625] gfs2_sys_fs_add+0x24f/0x4b0
[ 278.887912][ T4625] ? gfs2_recover_set+0x240/0x240
[ 278.892960][ T4625] ? snprintf+0xe5/0x140
[ 278.897241][ T4625] ? vscnprintf+0x80/0x80
[ 278.901699][ T4625] gfs2_fill_super+0x128c/0x1fb0
[ 278.906669][ T4625] ? gfs2_reconfigure+0xd30/0xd30
[ 278.911718][ T4625] ? sb_set_blocksize+0xa5/0xe0
[ 278.916599][ T4625] get_tree_bdev+0x3f1/0x610
[ 278.921296][ T4625] ? gfs2_reconfigure+0xd30/0xd30
[ 278.926437][ T4625] gfs2_get_tree+0x4d/0x1e0
[ 278.931066][ T4625] vfs_get_tree+0x88/0x270
[ 278.935508][ T4625] do_new_mount+0x24a/0xa40
[ 278.940040][ T4625] __se_sys_mount+0x2e3/0x3d0
[ 278.944758][ T4625] ? __x64_sys_mount+0xc0/0xc0
[ 278.949545][ T4625] ? lockdep_hardirqs_on+0x94/0x140
[ 278.954791][ T4625] ? __x64_sys_mount+0x1c/0xc0
[ 278.959570][ T4625] do_syscall_64+0x4c/0xa0
[ 278.964026][ T4625] ? clear_bhb_loop+0x60/0xb0
[ 278.968815][ T4625] ? clear_bhb_loop+0x60/0xb0
[ 278.973605][ T4625] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 278.979668][ T4625] RIP: 0033:0x7f7d2799e04a
[ 278.984109][ T4625] 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
[ 279.004025][ T4625] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.012629][ T4625] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 279.020703][ T4625] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 279.029064][ T4625] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 279.037051][ T4625] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 279.045056][ T4625] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 279.053056][ T4625]
[ 279.067204][ T4625] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.080772][ T4625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.411751][ T4626] loop1: detected capacity change from 0 to 32768
[ 279.429548][ T4626] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.437214][ T4626] CPU: 0 PID: 4626 Comm: syz.1.182 Not tainted syzkaller #0
[ 279.444572][ T4626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 279.454679][ T4626] Call Trace:
[ 279.458021][ T4626]
[ 279.461037][ T4626] dump_stack_lvl+0x188/0x24e
[ 279.465792][ T4626] ? show_regs_print_info+0x12/0x12
[ 279.471134][ T4626] ? load_image+0x400/0x400
[ 279.475701][ T4626] sysfs_create_dir_ns+0x26a/0x290
[ 279.480884][ T4626] ? sysfs_warn_dup+0xa0/0xa0
[ 279.485604][ T4626] ? do_raw_spin_unlock+0x11d/0x230
[ 279.490844][ T4626] kobject_add_internal+0x61c/0xcc0
[ 279.496103][ T4626] kobject_init_and_add+0x128/0x190
[ 279.501356][ T4626] ? lockdep_softirqs_off+0x430/0x430
[ 279.506787][ T4626] ? kobject_add+0x230/0x230
[ 279.511418][ T4626] ? __init_swait_queue_head+0xa5/0x150
[ 279.517081][ T4626] gfs2_sys_fs_add+0x24f/0x4b0
[ 279.521871][ T4626] ? gfs2_recover_set+0x240/0x240
[ 279.527016][ T4626] ? snprintf+0xe5/0x140
[ 279.531380][ T4626] ? vscnprintf+0x80/0x80
[ 279.535736][ T4626] gfs2_fill_super+0x128c/0x1fb0
[ 279.540707][ T4626] ? gfs2_reconfigure+0xd30/0xd30
[ 279.545864][ T4626] ? sb_set_blocksize+0xa5/0xe0
[ 279.550736][ T4626] get_tree_bdev+0x3f1/0x610
[ 279.555359][ T4626] ? gfs2_reconfigure+0xd30/0xd30
[ 279.560399][ T4626] gfs2_get_tree+0x4d/0x1e0
[ 279.564934][ T4626] vfs_get_tree+0x88/0x270
[ 279.569370][ T4626] do_new_mount+0x24a/0xa40
[ 279.573920][ T4626] __se_sys_mount+0x2e3/0x3d0
[ 279.578700][ T4626] ? __x64_sys_mount+0xc0/0xc0
[ 279.583484][ T4626] ? lockdep_hardirqs_on+0x94/0x140
[ 279.589181][ T4626] ? __x64_sys_mount+0x1c/0xc0
[ 279.593964][ T4626] do_syscall_64+0x4c/0xa0
[ 279.598410][ T4626] ? clear_bhb_loop+0x60/0xb0
[ 279.603108][ T4626] ? clear_bhb_loop+0x60/0xb0
[ 279.607893][ T4626] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 279.613825][ T4626] RIP: 0033:0x7f7d2799e04a
[ 279.618255][ T4626] 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
[ 279.638314][ T4626] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.647058][ T4626] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 279.655493][ T4626] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 279.663593][ T4626] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 279.671686][ T4626] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 279.679772][ T4626] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 279.687778][ T4626]
[ 279.695067][ T4626] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.717682][ T4626] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.053546][ T4627] loop1: detected capacity change from 0 to 32768
[ 280.075822][ T4627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.083513][ T4627] CPU: 1 PID: 4627 Comm: syz.1.183 Not tainted syzkaller #0
[ 280.090933][ T4627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 280.101041][ T4627] Call Trace:
[ 280.104364][ T4627]
[ 280.107341][ T4627] dump_stack_lvl+0x188/0x24e
[ 280.112163][ T4627] ? show_regs_print_info+0x12/0x12
[ 280.117429][ T4627] ? load_image+0x400/0x400
[ 280.122019][ T4627] sysfs_create_dir_ns+0x26a/0x290
[ 280.127175][ T4627] ? sysfs_warn_dup+0xa0/0xa0
[ 280.131907][ T4627] ? do_raw_spin_unlock+0x11d/0x230
[ 280.137163][ T4627] kobject_add_internal+0x61c/0xcc0
[ 280.142593][ T4627] kobject_init_and_add+0x128/0x190
[ 280.147837][ T4627] ? lockdep_softirqs_off+0x430/0x430
[ 280.153262][ T4627] ? kobject_add+0x230/0x230
[ 280.157898][ T4627] ? __init_swait_queue_head+0xa5/0x150
[ 280.163505][ T4627] gfs2_sys_fs_add+0x24f/0x4b0
[ 280.168334][ T4627] ? gfs2_recover_set+0x240/0x240
[ 280.173414][ T4627] ? snprintf+0xe5/0x140
[ 280.177792][ T4627] ? vscnprintf+0x80/0x80
[ 280.182283][ T4627] gfs2_fill_super+0x128c/0x1fb0
[ 280.187719][ T4627] ? gfs2_reconfigure+0xd30/0xd30
[ 280.192769][ T4627] ? sb_set_blocksize+0xa5/0xe0
[ 280.197642][ T4627] get_tree_bdev+0x3f1/0x610
[ 280.202339][ T4627] ? gfs2_reconfigure+0xd30/0xd30
[ 280.207787][ T4627] gfs2_get_tree+0x4d/0x1e0
[ 280.212310][ T4627] vfs_get_tree+0x88/0x270
[ 280.216744][ T4627] do_new_mount+0x24a/0xa40
[ 280.221268][ T4627] __se_sys_mount+0x2e3/0x3d0
[ 280.225986][ T4627] ? __x64_sys_mount+0xc0/0xc0
[ 280.231551][ T4627] ? lockdep_hardirqs_on+0x94/0x140
[ 280.236856][ T4627] ? __x64_sys_mount+0x1c/0xc0
[ 280.241672][ T4627] do_syscall_64+0x4c/0xa0
[ 280.246108][ T4627] ? clear_bhb_loop+0x60/0xb0
[ 280.250901][ T4627] ? clear_bhb_loop+0x60/0xb0
[ 280.255617][ T4627] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 280.261631][ T4627] RIP: 0033:0x7f7d2799e04a
[ 280.266061][ T4627] 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
[ 280.285684][ T4627] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.294114][ T4627] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 280.302107][ T4627] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 280.310263][ T4627] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 280.318244][ T4627] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 280.326241][ T4627] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 280.334238][ T4627]
[ 280.349045][ T4627] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.364823][ T4627] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.679626][ T4628] loop1: detected capacity change from 0 to 32768
[ 280.696110][ T4628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.703759][ T4628] CPU: 0 PID: 4628 Comm: syz.1.184 Not tainted syzkaller #0
[ 280.711187][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 280.721346][ T4628] Call Trace:
[ 280.724643][ T4628]
[ 280.727783][ T4628] dump_stack_lvl+0x188/0x24e
[ 280.732861][ T4628] ? show_regs_print_info+0x12/0x12
[ 280.738093][ T4628] ? load_image+0x400/0x400
[ 280.742625][ T4628] sysfs_create_dir_ns+0x26a/0x290
[ 280.747945][ T4628] ? sysfs_warn_dup+0xa0/0xa0
[ 280.752797][ T4628] ? do_raw_spin_unlock+0x11d/0x230
[ 280.758043][ T4628] kobject_add_internal+0x61c/0xcc0
[ 280.763275][ T4628] kobject_init_and_add+0x128/0x190
[ 280.768492][ T4628] ? lockdep_softirqs_off+0x430/0x430
[ 280.773885][ T4628] ? kobject_add+0x230/0x230
[ 280.778667][ T4628] ? __init_swait_queue_head+0xa5/0x150
[ 280.784323][ T4628] gfs2_sys_fs_add+0x24f/0x4b0
[ 280.789203][ T4628] ? gfs2_recover_set+0x240/0x240
[ 280.794247][ T4628] ? snprintf+0xe5/0x140
[ 280.798518][ T4628] ? vscnprintf+0x80/0x80
[ 280.802873][ T4628] gfs2_fill_super+0x128c/0x1fb0
[ 280.807899][ T4628] ? gfs2_reconfigure+0xd30/0xd30
[ 280.812944][ T4628] ? sb_set_blocksize+0xa5/0xe0
[ 280.817834][ T4628] get_tree_bdev+0x3f1/0x610
[ 280.822448][ T4628] ? gfs2_reconfigure+0xd30/0xd30
[ 280.827607][ T4628] gfs2_get_tree+0x4d/0x1e0
[ 280.832249][ T4628] vfs_get_tree+0x88/0x270
[ 280.836788][ T4628] do_new_mount+0x24a/0xa40
[ 280.841319][ T4628] __se_sys_mount+0x2e3/0x3d0
[ 280.846110][ T4628] ? __x64_sys_mount+0xc0/0xc0
[ 280.850899][ T4628] ? lockdep_hardirqs_on+0x94/0x140
[ 280.856305][ T4628] ? __x64_sys_mount+0x1c/0xc0
[ 280.861088][ T4628] do_syscall_64+0x4c/0xa0
[ 280.865524][ T4628] ? clear_bhb_loop+0x60/0xb0
[ 280.870234][ T4628] ? clear_bhb_loop+0x60/0xb0
[ 280.874929][ T4628] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 280.880956][ T4628] RIP: 0033:0x7f7d2799e04a
[ 280.885435][ T4628] 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
[ 280.905315][ T4628] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.913761][ T4628] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 280.922180][ T4628] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 280.930171][ T4628] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 280.938343][ T4628] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 280.946899][ T4628] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 280.954987][ T4628]
[ 280.963193][ T4628] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.977604][ T4628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.318102][ T4629] loop1: detected capacity change from 0 to 32768
[ 281.330917][ T4629] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.338577][ T4629] CPU: 1 PID: 4629 Comm: syz.1.185 Not tainted syzkaller #0
[ 281.346094][ T4629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.356403][ T4629] Call Trace:
[ 281.359718][ T4629]
[ 281.362683][ T4629] dump_stack_lvl+0x188/0x24e
[ 281.367422][ T4629] ? show_regs_print_info+0x12/0x12
[ 281.372684][ T4629] ? load_image+0x400/0x400
[ 281.377368][ T4629] sysfs_create_dir_ns+0x26a/0x290
[ 281.383237][ T4629] ? sysfs_warn_dup+0xa0/0xa0
[ 281.388055][ T4629] ? do_raw_spin_unlock+0x11d/0x230
[ 281.393297][ T4629] kobject_add_internal+0x61c/0xcc0
[ 281.399063][ T4629] kobject_init_and_add+0x128/0x190
[ 281.404282][ T4629] ? lockdep_softirqs_off+0x430/0x430
[ 281.409680][ T4629] ? kobject_add+0x230/0x230
[ 281.414291][ T4629] ? __init_swait_queue_head+0xa5/0x150
[ 281.419970][ T4629] gfs2_sys_fs_add+0x24f/0x4b0
[ 281.424775][ T4629] ? gfs2_recover_set+0x240/0x240
[ 281.429924][ T4629] ? snprintf+0xe5/0x140
[ 281.434198][ T4629] ? vscnprintf+0x80/0x80
[ 281.438638][ T4629] gfs2_fill_super+0x128c/0x1fb0
[ 281.444144][ T4629] ? gfs2_reconfigure+0xd30/0xd30
[ 281.449285][ T4629] ? sb_set_blocksize+0xa5/0xe0
[ 281.454344][ T4629] get_tree_bdev+0x3f1/0x610
[ 281.459042][ T4629] ? gfs2_reconfigure+0xd30/0xd30
[ 281.464086][ T4629] gfs2_get_tree+0x4d/0x1e0
[ 281.468656][ T4629] vfs_get_tree+0x88/0x270
[ 281.473091][ T4629] do_new_mount+0x24a/0xa40
[ 281.477730][ T4629] __se_sys_mount+0x2e3/0x3d0
[ 281.482470][ T4629] ? __x64_sys_mount+0xc0/0xc0
[ 281.487359][ T4629] ? lockdep_hardirqs_on+0x94/0x140
[ 281.492569][ T4629] ? __x64_sys_mount+0x1c/0xc0
[ 281.497349][ T4629] do_syscall_64+0x4c/0xa0
[ 281.501871][ T4629] ? clear_bhb_loop+0x60/0xb0
[ 281.506651][ T4629] ? clear_bhb_loop+0x60/0xb0
[ 281.511354][ T4629] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 281.517271][ T4629] RIP: 0033:0x7f7d2799e04a
[ 281.521803][ T4629] 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
[ 281.541614][ T4629] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.550244][ T4629] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 281.558441][ T4629] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 281.566441][ T4629] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 281.574430][ T4629] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 281.582431][ T4629] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 281.590629][ T4629]
[ 281.612427][ T4629] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.625912][ T4629] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 03:59:18 executed programs: 171
[ 281.971126][ T4630] loop1: detected capacity change from 0 to 32768
[ 281.998714][ T4630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.006544][ T4630] CPU: 0 PID: 4630 Comm: syz.1.186 Not tainted syzkaller #0
[ 282.014022][ T4630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 282.024122][ T4630] Call Trace:
[ 282.027449][ T4630]
[ 282.030437][ T4630] dump_stack_lvl+0x188/0x24e
[ 282.035280][ T4630] ? show_regs_print_info+0x12/0x12
[ 282.040548][ T4630] ? load_image+0x400/0x400
[ 282.045119][ T4630] sysfs_create_dir_ns+0x26a/0x290
[ 282.050291][ T4630] ? sysfs_warn_dup+0xa0/0xa0
[ 282.055036][ T4630] ? do_raw_spin_unlock+0x11d/0x230
[ 282.060386][ T4630] kobject_add_internal+0x61c/0xcc0
[ 282.065642][ T4630] kobject_init_and_add+0x128/0x190
[ 282.070982][ T4630] ? lockdep_softirqs_off+0x430/0x430
[ 282.076470][ T4630] ? kobject_add+0x230/0x230
[ 282.081100][ T4630] ? __init_swait_queue_head+0xa5/0x150
[ 282.086690][ T4630] gfs2_sys_fs_add+0x24f/0x4b0
[ 282.091590][ T4630] ? gfs2_recover_set+0x240/0x240
[ 282.096627][ T4630] ? snprintf+0xe5/0x140
[ 282.100875][ T4630] ? vscnprintf+0x80/0x80
[ 282.105213][ T4630] gfs2_fill_super+0x128c/0x1fb0
[ 282.110276][ T4630] ? gfs2_reconfigure+0xd30/0xd30
[ 282.115446][ T4630] ? sb_set_blocksize+0xa5/0xe0
[ 282.120434][ T4630] get_tree_bdev+0x3f1/0x610
[ 282.125071][ T4630] ? gfs2_reconfigure+0xd30/0xd30
[ 282.130137][ T4630] gfs2_get_tree+0x4d/0x1e0
[ 282.134707][ T4630] vfs_get_tree+0x88/0x270
[ 282.139254][ T4630] do_new_mount+0x24a/0xa40
[ 282.143814][ T4630] __se_sys_mount+0x2e3/0x3d0
[ 282.148547][ T4630] ? __x64_sys_mount+0xc0/0xc0
[ 282.153354][ T4630] ? lockdep_hardirqs_on+0x94/0x140
[ 282.158937][ T4630] ? __x64_sys_mount+0x1c/0xc0
[ 282.163754][ T4630] do_syscall_64+0x4c/0xa0
[ 282.168323][ T4630] ? clear_bhb_loop+0x60/0xb0
[ 282.173050][ T4630] ? clear_bhb_loop+0x60/0xb0
[ 282.177775][ T4630] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 282.183803][ T4630] RIP: 0033:0x7f7d2799e04a
[ 282.188245][ T4630] 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
[ 282.207963][ T4630] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.216403][ T4630] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 282.224403][ T4630] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 282.232379][ T4630] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 282.240360][ T4630] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 282.248435][ T4630] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 282.256508][ T4630]
[ 282.260589][ T4630] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.273916][ T4630] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.627273][ T4631] loop1: detected capacity change from 0 to 32768
[ 282.639293][ T4631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.647017][ T4631] CPU: 1 PID: 4631 Comm: syz.1.187 Not tainted syzkaller #0
[ 282.654711][ T4631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 282.665002][ T4631] Call Trace:
[ 282.668429][ T4631]
[ 282.671397][ T4631] dump_stack_lvl+0x188/0x24e
[ 282.676134][ T4631] ? show_regs_print_info+0x12/0x12
[ 282.681384][ T4631] ? load_image+0x400/0x400
[ 282.685959][ T4631] sysfs_create_dir_ns+0x26a/0x290
[ 282.691232][ T4631] ? sysfs_warn_dup+0xa0/0xa0
[ 282.695960][ T4631] ? do_raw_spin_unlock+0x11d/0x230
[ 282.701967][ T4631] kobject_add_internal+0x61c/0xcc0
[ 282.707341][ T4631] kobject_init_and_add+0x128/0x190
[ 282.712675][ T4631] ? lockdep_softirqs_off+0x430/0x430
[ 282.718221][ T4631] ? kobject_add+0x230/0x230
[ 282.722954][ T4631] ? __init_swait_queue_head+0xa5/0x150
[ 282.728899][ T4631] gfs2_sys_fs_add+0x24f/0x4b0
[ 282.733806][ T4631] ? gfs2_recover_set+0x240/0x240
[ 282.740024][ T4631] ? snprintf+0xe5/0x140
[ 282.744327][ T4631] ? vscnprintf+0x80/0x80
[ 282.748895][ T4631] gfs2_fill_super+0x128c/0x1fb0
[ 282.753986][ T4631] ? gfs2_reconfigure+0xd30/0xd30
[ 282.759200][ T4631] ? sb_set_blocksize+0xa5/0xe0
[ 282.764196][ T4631] get_tree_bdev+0x3f1/0x610
[ 282.768931][ T4631] ? gfs2_reconfigure+0xd30/0xd30
[ 282.774091][ T4631] gfs2_get_tree+0x4d/0x1e0
[ 282.778814][ T4631] vfs_get_tree+0x88/0x270
[ 282.783449][ T4631] do_new_mount+0x24a/0xa40
[ 282.788274][ T4631] __se_sys_mount+0x2e3/0x3d0
[ 282.793204][ T4631] ? __x64_sys_mount+0xc0/0xc0
[ 282.798133][ T4631] ? lockdep_hardirqs_on+0x94/0x140
[ 282.803396][ T4631] ? __x64_sys_mount+0x1c/0xc0
[ 282.808506][ T4631] do_syscall_64+0x4c/0xa0
[ 282.813198][ T4631] ? clear_bhb_loop+0x60/0xb0
[ 282.818009][ T4631] ? clear_bhb_loop+0x60/0xb0
[ 282.822724][ T4631] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 282.828638][ T4631] RIP: 0033:0x7f7d2799e04a
[ 282.833191][ T4631] 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
[ 282.852910][ T4631] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.861450][ T4631] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 282.869513][ T4631] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 282.877489][ T4631] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 282.885472][ T4631] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 282.893636][ T4631] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 282.901777][ T4631]
[ 282.905323][ T4631] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.918515][ T4631] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.272802][ T4632] loop1: detected capacity change from 0 to 32768
[ 283.290004][ T4632] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.300146][ T4632] CPU: 0 PID: 4632 Comm: syz.1.188 Not tainted syzkaller #0
[ 283.307496][ T4632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.317600][ T4632] Call Trace:
[ 283.321008][ T4632]
[ 283.323990][ T4632] dump_stack_lvl+0x188/0x24e
[ 283.328721][ T4632] ? show_regs_print_info+0x12/0x12
[ 283.333980][ T4632] ? load_image+0x400/0x400
[ 283.338648][ T4632] sysfs_create_dir_ns+0x26a/0x290
[ 283.343955][ T4632] ? sysfs_warn_dup+0xa0/0xa0
[ 283.348677][ T4632] ? do_raw_spin_unlock+0x11d/0x230
[ 283.354004][ T4632] kobject_add_internal+0x61c/0xcc0
[ 283.359258][ T4632] kobject_init_and_add+0x128/0x190
[ 283.364493][ T4632] ? lockdep_softirqs_off+0x430/0x430
[ 283.369928][ T4632] ? kobject_add+0x230/0x230
[ 283.374570][ T4632] ? __init_swait_queue_head+0xa5/0x150
[ 283.380294][ T4632] gfs2_sys_fs_add+0x24f/0x4b0
[ 283.385082][ T4632] ? gfs2_recover_set+0x240/0x240
[ 283.390297][ T4632] ? snprintf+0xe5/0x140
[ 283.394546][ T4632] ? vscnprintf+0x80/0x80
[ 283.398900][ T4632] gfs2_fill_super+0x128c/0x1fb0
[ 283.403943][ T4632] ? gfs2_reconfigure+0xd30/0xd30
[ 283.409088][ T4632] ? sb_set_blocksize+0xa5/0xe0
[ 283.414027][ T4632] get_tree_bdev+0x3f1/0x610
[ 283.418667][ T4632] ? gfs2_reconfigure+0xd30/0xd30
[ 283.423813][ T4632] gfs2_get_tree+0x4d/0x1e0
[ 283.428437][ T4632] vfs_get_tree+0x88/0x270
[ 283.432862][ T4632] do_new_mount+0x24a/0xa40
[ 283.437373][ T4632] __se_sys_mount+0x2e3/0x3d0
[ 283.442442][ T4632] ? __x64_sys_mount+0xc0/0xc0
[ 283.447436][ T4632] ? lockdep_hardirqs_on+0x94/0x140
[ 283.452756][ T4632] ? __x64_sys_mount+0x1c/0xc0
[ 283.457566][ T4632] do_syscall_64+0x4c/0xa0
[ 283.462049][ T4632] ? clear_bhb_loop+0x60/0xb0
[ 283.466822][ T4632] ? clear_bhb_loop+0x60/0xb0
[ 283.471656][ T4632] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 283.477606][ T4632] RIP: 0033:0x7f7d2799e04a
[ 283.482063][ T4632] 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
[ 283.503806][ T4632] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.512393][ T4632] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 283.520502][ T4632] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 283.528700][ T4632] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 283.536973][ T4632] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 283.545238][ T4632] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 283.553405][ T4632]
[ 283.558015][ T4632] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.571314][ T4632] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.944119][ T4633] loop1: detected capacity change from 0 to 32768
[ 283.958888][ T4633] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.969197][ T4633] CPU: 1 PID: 4633 Comm: syz.1.189 Not tainted syzkaller #0
[ 283.976911][ T4633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.987025][ T4633] Call Trace:
[ 283.990352][ T4633]
[ 283.993331][ T4633] dump_stack_lvl+0x188/0x24e
[ 283.998066][ T4633] ? show_regs_print_info+0x12/0x12
[ 284.003327][ T4633] ? load_image+0x400/0x400
[ 284.007897][ T4633] sysfs_create_dir_ns+0x26a/0x290
[ 284.013065][ T4633] ? sysfs_warn_dup+0xa0/0xa0
[ 284.017814][ T4633] ? do_raw_spin_unlock+0x11d/0x230
[ 284.023061][ T4633] kobject_add_internal+0x61c/0xcc0
[ 284.028312][ T4633] kobject_init_and_add+0x128/0x190
[ 284.033547][ T4633] ? lockdep_softirqs_off+0x430/0x430
[ 284.038969][ T4633] ? kobject_add+0x230/0x230
[ 284.043607][ T4633] ? __init_swait_queue_head+0xa5/0x150
[ 284.049193][ T4633] gfs2_sys_fs_add+0x24f/0x4b0
[ 284.053971][ T4633] ? gfs2_recover_set+0x240/0x240
[ 284.059008][ T4633] ? snprintf+0xe5/0x140
[ 284.063390][ T4633] ? vscnprintf+0x80/0x80
[ 284.067832][ T4633] gfs2_fill_super+0x128c/0x1fb0
[ 284.072804][ T4633] ? gfs2_reconfigure+0xd30/0xd30
[ 284.077934][ T4633] ? sb_set_blocksize+0xa5/0xe0
[ 284.082792][ T4633] get_tree_bdev+0x3f1/0x610
[ 284.087794][ T4633] ? gfs2_reconfigure+0xd30/0xd30
[ 284.092934][ T4633] gfs2_get_tree+0x4d/0x1e0
[ 284.097550][ T4633] vfs_get_tree+0x88/0x270
[ 284.103000][ T4633] do_new_mount+0x24a/0xa40
[ 284.107644][ T4633] __se_sys_mount+0x2e3/0x3d0
[ 284.112345][ T4633] ? __x64_sys_mount+0xc0/0xc0
[ 284.117114][ T4633] ? lockdep_hardirqs_on+0x94/0x140
[ 284.122317][ T4633] ? __x64_sys_mount+0x1c/0xc0
[ 284.127105][ T4633] do_syscall_64+0x4c/0xa0
[ 284.131533][ T4633] ? clear_bhb_loop+0x60/0xb0
[ 284.136322][ T4633] ? clear_bhb_loop+0x60/0xb0
[ 284.141131][ T4633] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 284.147224][ T4633] RIP: 0033:0x7f7d2799e04a
[ 284.151654][ T4633] 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
[ 284.171639][ T4633] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.180094][ T4633] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 284.188125][ T4633] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 284.196184][ T4633] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 284.204263][ T4633] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 284.212239][ T4633] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 284.220228][ T4633]
[ 284.223852][ T4633] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.238610][ T4633] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.602735][ T4634] loop1: detected capacity change from 0 to 32768
[ 284.618931][ T4634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.626867][ T4634] CPU: 0 PID: 4634 Comm: syz.1.190 Not tainted syzkaller #0
[ 284.634209][ T4634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 284.644388][ T4634] Call Trace:
[ 284.647705][ T4634]
[ 284.650687][ T4634] dump_stack_lvl+0x188/0x24e
[ 284.655430][ T4634] ? show_regs_print_info+0x12/0x12
[ 284.660771][ T4634] ? load_image+0x400/0x400
[ 284.665354][ T4634] sysfs_create_dir_ns+0x26a/0x290
[ 284.670523][ T4634] ? sysfs_warn_dup+0xa0/0xa0
[ 284.675258][ T4634] ? do_raw_spin_unlock+0x11d/0x230
[ 284.680690][ T4634] kobject_add_internal+0x61c/0xcc0
[ 284.685977][ T4634] kobject_init_and_add+0x128/0x190
[ 284.691215][ T4634] ? lockdep_softirqs_off+0x430/0x430
[ 284.696632][ T4634] ? kobject_add+0x230/0x230
[ 284.701277][ T4634] ? __init_swait_queue_head+0xa5/0x150
[ 284.706871][ T4634] gfs2_sys_fs_add+0x24f/0x4b0
[ 284.711685][ T4634] ? gfs2_recover_set+0x240/0x240
[ 284.716825][ T4634] ? snprintf+0xe5/0x140
[ 284.721105][ T4634] ? vscnprintf+0x80/0x80
[ 284.725549][ T4634] gfs2_fill_super+0x128c/0x1fb0
[ 284.730585][ T4634] ? gfs2_reconfigure+0xd30/0xd30
[ 284.735613][ T4634] ? sb_set_blocksize+0xa5/0xe0
[ 284.740487][ T4634] get_tree_bdev+0x3f1/0x610
[ 284.745130][ T4634] ? gfs2_reconfigure+0xd30/0xd30
[ 284.750212][ T4634] gfs2_get_tree+0x4d/0x1e0
[ 284.754818][ T4634] vfs_get_tree+0x88/0x270
[ 284.759391][ T4634] do_new_mount+0x24a/0xa40
[ 284.763948][ T4634] __se_sys_mount+0x2e3/0x3d0
[ 284.768764][ T4634] ? __x64_sys_mount+0xc0/0xc0
[ 284.773571][ T4634] ? lockdep_hardirqs_on+0x94/0x140
[ 284.778924][ T4634] ? __x64_sys_mount+0x1c/0xc0
[ 284.783744][ T4634] do_syscall_64+0x4c/0xa0
[ 284.788224][ T4634] ? clear_bhb_loop+0x60/0xb0
[ 284.793051][ T4634] ? clear_bhb_loop+0x60/0xb0
[ 284.797784][ T4634] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 284.803745][ T4634] RIP: 0033:0x7f7d2799e04a
[ 284.808398][ T4634] 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
[ 284.828585][ T4634] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.837036][ T4634] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 284.845591][ T4634] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 284.853855][ T4634] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 284.861946][ T4634] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 284.870033][ T4634] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 284.878125][ T4634]
[ 284.890519][ T4634] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.903993][ T4634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.264089][ T4635] loop1: detected capacity change from 0 to 32768
[ 285.287028][ T4635] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.294462][ T4635] CPU: 0 PID: 4635 Comm: syz.1.191 Not tainted syzkaller #0
[ 285.301778][ T4635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 285.312083][ T4635] Call Trace:
[ 285.315413][ T4635]
[ 285.318393][ T4635] dump_stack_lvl+0x188/0x24e
[ 285.323137][ T4635] ? show_regs_print_info+0x12/0x12
[ 285.328387][ T4635] ? load_image+0x400/0x400
[ 285.332959][ T4635] sysfs_create_dir_ns+0x26a/0x290
[ 285.338138][ T4635] ? sysfs_warn_dup+0xa0/0xa0
[ 285.342874][ T4635] ? do_raw_spin_unlock+0x11d/0x230
[ 285.348420][ T4635] kobject_add_internal+0x61c/0xcc0
[ 285.353670][ T4635] kobject_init_and_add+0x128/0x190
[ 285.358920][ T4635] ? lockdep_softirqs_off+0x430/0x430
[ 285.364343][ T4635] ? kobject_add+0x230/0x230
[ 285.368981][ T4635] ? __init_swait_queue_head+0xa5/0x150
[ 285.374610][ T4635] gfs2_sys_fs_add+0x24f/0x4b0
[ 285.379513][ T4635] ? gfs2_recover_set+0x240/0x240
[ 285.384594][ T4635] ? snprintf+0xe5/0x140
[ 285.388936][ T4635] ? vscnprintf+0x80/0x80
[ 285.393566][ T4635] gfs2_fill_super+0x128c/0x1fb0
[ 285.398571][ T4635] ? gfs2_reconfigure+0xd30/0xd30
[ 285.403668][ T4635] ? sb_set_blocksize+0xa5/0xe0
[ 285.408591][ T4635] get_tree_bdev+0x3f1/0x610
[ 285.413240][ T4635] ? gfs2_reconfigure+0xd30/0xd30
[ 285.418313][ T4635] gfs2_get_tree+0x4d/0x1e0
[ 285.422879][ T4635] vfs_get_tree+0x88/0x270
[ 285.427348][ T4635] do_new_mount+0x24a/0xa40
[ 285.431940][ T4635] __se_sys_mount+0x2e3/0x3d0
[ 285.436792][ T4635] ? __x64_sys_mount+0xc0/0xc0
[ 285.441688][ T4635] ? lockdep_hardirqs_on+0x94/0x140
[ 285.447439][ T4635] ? __x64_sys_mount+0x1c/0xc0
[ 285.452524][ T4635] do_syscall_64+0x4c/0xa0
[ 285.457182][ T4635] ? clear_bhb_loop+0x60/0xb0
[ 285.462544][ T4635] ? clear_bhb_loop+0x60/0xb0
[ 285.467628][ T4635] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 285.473591][ T4635] RIP: 0033:0x7f7d2799e04a
[ 285.478232][ T4635] 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
[ 285.497853][ T4635] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.506274][ T4635] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 285.514246][ T4635] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 285.522364][ T4635] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 285.530351][ T4635] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 285.538330][ T4635] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 285.546422][ T4635]
[ 285.560481][ T4635] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.574181][ T4635] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.932218][ T4636] loop1: detected capacity change from 0 to 32768
[ 285.956126][ T4636] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.963798][ T4636] CPU: 0 PID: 4636 Comm: syz.1.192 Not tainted syzkaller #0
[ 285.971134][ T4636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 285.981499][ T4636] Call Trace:
[ 285.984823][ T4636]
[ 285.987789][ T4636] dump_stack_lvl+0x188/0x24e
[ 285.992620][ T4636] ? show_regs_print_info+0x12/0x12
[ 285.997888][ T4636] ? load_image+0x400/0x400
[ 286.002453][ T4636] sysfs_create_dir_ns+0x26a/0x290
[ 286.007640][ T4636] ? sysfs_warn_dup+0xa0/0xa0
[ 286.012497][ T4636] ? do_raw_spin_unlock+0x11d/0x230
[ 286.017739][ T4636] kobject_add_internal+0x61c/0xcc0
[ 286.023072][ T4636] kobject_init_and_add+0x128/0x190
[ 286.028314][ T4636] ? lockdep_softirqs_off+0x430/0x430
[ 286.033747][ T4636] ? kobject_add+0x230/0x230
[ 286.038991][ T4636] ? __init_swait_queue_head+0xa5/0x150
[ 286.044596][ T4636] gfs2_sys_fs_add+0x24f/0x4b0
[ 286.049534][ T4636] ? gfs2_recover_set+0x240/0x240
[ 286.054619][ T4636] ? snprintf+0xe5/0x140
[ 286.058915][ T4636] ? vscnprintf+0x80/0x80
[ 286.063390][ T4636] gfs2_fill_super+0x128c/0x1fb0
[ 286.068404][ T4636] ? gfs2_reconfigure+0xd30/0xd30
[ 286.073483][ T4636] ? sb_set_blocksize+0xa5/0xe0
[ 286.078395][ T4636] get_tree_bdev+0x3f1/0x610
[ 286.083035][ T4636] ? gfs2_reconfigure+0xd30/0xd30
[ 286.088193][ T4636] gfs2_get_tree+0x4d/0x1e0
[ 286.092785][ T4636] vfs_get_tree+0x88/0x270
[ 286.097244][ T4636] do_new_mount+0x24a/0xa40
[ 286.101804][ T4636] __se_sys_mount+0x2e3/0x3d0
[ 286.106532][ T4636] ? __x64_sys_mount+0xc0/0xc0
[ 286.111338][ T4636] ? lockdep_hardirqs_on+0x94/0x140
[ 286.116574][ T4636] ? __x64_sys_mount+0x1c/0xc0
[ 286.121468][ T4636] do_syscall_64+0x4c/0xa0
[ 286.125927][ T4636] ? clear_bhb_loop+0x60/0xb0
[ 286.130720][ T4636] ? clear_bhb_loop+0x60/0xb0
[ 286.135407][ T4636] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 286.141303][ T4636] RIP: 0033:0x7f7d2799e04a
[ 286.145719][ T4636] 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
[ 286.165964][ T4636] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.174686][ T4636] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 286.182719][ T4636] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 286.190826][ T4636] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 286.198803][ T4636] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 286.206774][ T4636] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 286.214939][ T4636]
[ 286.221460][ T4636] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.234992][ T4636] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.602377][ T4637] loop1: detected capacity change from 0 to 32768
[ 286.625444][ T4637] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.632970][ T4637] CPU: 1 PID: 4637 Comm: syz.1.193 Not tainted syzkaller #0
[ 286.640285][ T4637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.650632][ T4637] Call Trace:
[ 286.653921][ T4637]
[ 286.656875][ T4637] dump_stack_lvl+0x188/0x24e
[ 286.661689][ T4637] ? show_regs_print_info+0x12/0x12
[ 286.666917][ T4637] ? load_image+0x400/0x400
[ 286.671433][ T4637] sysfs_create_dir_ns+0x26a/0x290
[ 286.676558][ T4637] ? sysfs_warn_dup+0xa0/0xa0
[ 286.681246][ T4637] ? do_raw_spin_unlock+0x11d/0x230
[ 286.686465][ T4637] kobject_add_internal+0x61c/0xcc0
[ 286.691895][ T4637] kobject_init_and_add+0x128/0x190
[ 286.697783][ T4637] ? lockdep_softirqs_off+0x430/0x430
[ 286.703222][ T4637] ? kobject_add+0x230/0x230
[ 286.707866][ T4637] ? __init_swait_queue_head+0xa5/0x150
[ 286.713475][ T4637] gfs2_sys_fs_add+0x24f/0x4b0
[ 286.718311][ T4637] ? gfs2_recover_set+0x240/0x240
[ 286.723389][ T4637] ? snprintf+0xe5/0x140
[ 286.727672][ T4637] ? vscnprintf+0x80/0x80
[ 286.732060][ T4637] gfs2_fill_super+0x128c/0x1fb0
[ 286.737103][ T4637] ? gfs2_reconfigure+0xd30/0xd30
[ 286.742183][ T4637] ? sb_set_blocksize+0xa5/0xe0
[ 286.747090][ T4637] get_tree_bdev+0x3f1/0x610
[ 286.752690][ T4637] ? gfs2_reconfigure+0xd30/0xd30
[ 286.757774][ T4637] gfs2_get_tree+0x4d/0x1e0
[ 286.762431][ T4637] vfs_get_tree+0x88/0x270
[ 286.766898][ T4637] do_new_mount+0x24a/0xa40
[ 286.771454][ T4637] __se_sys_mount+0x2e3/0x3d0
[ 286.776180][ T4637] ? __x64_sys_mount+0xc0/0xc0
[ 286.780988][ T4637] ? lockdep_hardirqs_on+0x94/0x140
[ 286.786226][ T4637] ? __x64_sys_mount+0x1c/0xc0
[ 286.791302][ T4637] do_syscall_64+0x4c/0xa0
[ 286.795817][ T4637] ? clear_bhb_loop+0x60/0xb0
[ 286.800548][ T4637] ? clear_bhb_loop+0x60/0xb0
[ 286.805291][ T4637] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 286.811323][ T4637] RIP: 0033:0x7f7d2799e04a
[ 286.815777][ T4637] 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
[ 286.835529][ T4637] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.844058][ T4637] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 286.852763][ T4637] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 286.860935][ T4637] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 286.869267][ T4637] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 286.877500][ T4637] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 286.885574][ T4637]
[ 286.890045][ T4637] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.903569][ T4637] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 03:59:23 executed programs: 179
[ 287.271004][ T4638] loop1: detected capacity change from 0 to 32768
[ 287.285923][ T4638] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.293650][ T4638] CPU: 0 PID: 4638 Comm: syz.1.194 Not tainted syzkaller #0
[ 287.301114][ T4638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.311568][ T4638] Call Trace:
[ 287.315081][ T4638]
[ 287.318059][ T4638] dump_stack_lvl+0x188/0x24e
[ 287.322799][ T4638] ? show_regs_print_info+0x12/0x12
[ 287.328139][ T4638] ? load_image+0x400/0x400
[ 287.332711][ T4638] sysfs_create_dir_ns+0x26a/0x290
[ 287.337981][ T4638] ? sysfs_warn_dup+0xa0/0xa0
[ 287.342886][ T4638] ? do_raw_spin_unlock+0x11d/0x230
[ 287.348154][ T4638] kobject_add_internal+0x61c/0xcc0
[ 287.353580][ T4638] kobject_init_and_add+0x128/0x190
[ 287.358826][ T4638] ? lockdep_softirqs_off+0x430/0x430
[ 287.364349][ T4638] ? kobject_add+0x230/0x230
[ 287.369000][ T4638] ? __init_swait_queue_head+0xa5/0x150
[ 287.374667][ T4638] gfs2_sys_fs_add+0x24f/0x4b0
[ 287.379665][ T4638] ? gfs2_recover_set+0x240/0x240
[ 287.384843][ T4638] ? snprintf+0xe5/0x140
[ 287.389226][ T4638] ? vscnprintf+0x80/0x80
[ 287.393614][ T4638] gfs2_fill_super+0x128c/0x1fb0
[ 287.398802][ T4638] ? gfs2_reconfigure+0xd30/0xd30
[ 287.403898][ T4638] ? sb_set_blocksize+0xa5/0xe0
[ 287.408931][ T4638] get_tree_bdev+0x3f1/0x610
[ 287.413569][ T4638] ? gfs2_reconfigure+0xd30/0xd30
[ 287.418644][ T4638] gfs2_get_tree+0x4d/0x1e0
[ 287.423204][ T4638] vfs_get_tree+0x88/0x270
[ 287.427699][ T4638] do_new_mount+0x24a/0xa40
[ 287.432353][ T4638] __se_sys_mount+0x2e3/0x3d0
[ 287.437183][ T4638] ? __x64_sys_mount+0xc0/0xc0
[ 287.442084][ T4638] ? lockdep_hardirqs_on+0x94/0x140
[ 287.447419][ T4638] ? __x64_sys_mount+0x1c/0xc0
[ 287.452477][ T4638] do_syscall_64+0x4c/0xa0
[ 287.456944][ T4638] ? clear_bhb_loop+0x60/0xb0
[ 287.461676][ T4638] ? clear_bhb_loop+0x60/0xb0
[ 287.466921][ T4638] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 287.472862][ T4638] RIP: 0033:0x7f7d2799e04a
[ 287.477350][ T4638] 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
[ 287.497013][ T4638] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.505434][ T4638] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 287.513605][ T4638] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 287.521782][ T4638] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 287.529762][ T4638] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 287.537735][ T4638] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 287.545727][ T4638]
[ 287.550051][ T4638] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.563408][ T4638] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.910853][ T4639] loop1: detected capacity change from 0 to 32768
[ 287.927420][ T4639] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.934892][ T4639] CPU: 1 PID: 4639 Comm: syz.1.195 Not tainted syzkaller #0
[ 287.942220][ T4639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.952676][ T4639] Call Trace:
[ 287.956168][ T4639]
[ 287.959144][ T4639] dump_stack_lvl+0x188/0x24e
[ 287.963890][ T4639] ? show_regs_print_info+0x12/0x12
[ 287.969144][ T4639] ? load_image+0x400/0x400
[ 287.973716][ T4639] sysfs_create_dir_ns+0x26a/0x290
[ 287.978964][ T4639] ? sysfs_warn_dup+0xa0/0xa0
[ 287.983696][ T4639] ? do_raw_spin_unlock+0x11d/0x230
[ 287.988944][ T4639] kobject_add_internal+0x61c/0xcc0
[ 287.994188][ T4639] kobject_init_and_add+0x128/0x190
[ 287.999514][ T4639] ? lockdep_softirqs_off+0x430/0x430
[ 288.004933][ T4639] ? kobject_add+0x230/0x230
[ 288.009660][ T4639] ? __init_swait_queue_head+0xa5/0x150
[ 288.015426][ T4639] gfs2_sys_fs_add+0x24f/0x4b0
[ 288.020261][ T4639] ? gfs2_recover_set+0x240/0x240
[ 288.025361][ T4639] ? snprintf+0xe5/0x140
[ 288.029718][ T4639] ? vscnprintf+0x80/0x80
[ 288.034102][ T4639] gfs2_fill_super+0x128c/0x1fb0
[ 288.039090][ T4639] ? gfs2_reconfigure+0xd30/0xd30
[ 288.044141][ T4639] ? sb_set_blocksize+0xa5/0xe0
[ 288.049098][ T4639] get_tree_bdev+0x3f1/0x610
[ 288.053803][ T4639] ? gfs2_reconfigure+0xd30/0xd30
[ 288.058845][ T4639] gfs2_get_tree+0x4d/0x1e0
[ 288.063378][ T4639] vfs_get_tree+0x88/0x270
[ 288.067819][ T4639] do_new_mount+0x24a/0xa40
[ 288.072344][ T4639] __se_sys_mount+0x2e3/0x3d0
[ 288.077081][ T4639] ? __x64_sys_mount+0xc0/0xc0
[ 288.081874][ T4639] ? lockdep_hardirqs_on+0x94/0x140
[ 288.087111][ T4639] ? __x64_sys_mount+0x1c/0xc0
[ 288.091914][ T4639] do_syscall_64+0x4c/0xa0
[ 288.096360][ T4639] ? clear_bhb_loop+0x60/0xb0
[ 288.101056][ T4639] ? clear_bhb_loop+0x60/0xb0
[ 288.105758][ T4639] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 288.111756][ T4639] RIP: 0033:0x7f7d2799e04a
[ 288.116183][ T4639] 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
[ 288.135811][ T4639] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.144241][ T4639] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 288.152247][ T4639] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 288.160408][ T4639] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 288.168395][ T4639] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 288.176468][ T4639] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 288.184464][ T4639]
[ 288.190941][ T4639] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.204762][ T4639] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.530445][ T4640] loop1: detected capacity change from 0 to 32768
[ 288.539015][ T4640] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.549027][ T4640] CPU: 1 PID: 4640 Comm: syz.1.196 Not tainted syzkaller #0
[ 288.556378][ T4640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.566569][ T4640] Call Trace:
[ 288.569885][ T4640]
[ 288.572850][ T4640] dump_stack_lvl+0x188/0x24e
[ 288.577586][ T4640] ? show_regs_print_info+0x12/0x12
[ 288.582945][ T4640] ? load_image+0x400/0x400
[ 288.587534][ T4640] sysfs_create_dir_ns+0x26a/0x290
[ 288.592719][ T4640] ? sysfs_warn_dup+0xa0/0xa0
[ 288.597461][ T4640] ? do_raw_spin_unlock+0x11d/0x230
[ 288.602713][ T4640] kobject_add_internal+0x61c/0xcc0
[ 288.607977][ T4640] kobject_init_and_add+0x128/0x190
[ 288.613228][ T4640] ? lockdep_softirqs_off+0x430/0x430
[ 288.619101][ T4640] ? kobject_add+0x230/0x230
[ 288.623772][ T4640] ? __init_swait_queue_head+0xa5/0x150
[ 288.629822][ T4640] gfs2_sys_fs_add+0x24f/0x4b0
[ 288.634651][ T4640] ? gfs2_recover_set+0x240/0x240
[ 288.639742][ T4640] ? snprintf+0xe5/0x140
[ 288.644038][ T4640] ? vscnprintf+0x80/0x80
[ 288.648421][ T4640] gfs2_fill_super+0x128c/0x1fb0
[ 288.653542][ T4640] ? gfs2_reconfigure+0xd30/0xd30
[ 288.658732][ T4640] ? sb_set_blocksize+0xa5/0xe0
[ 288.663741][ T4640] get_tree_bdev+0x3f1/0x610
[ 288.668379][ T4640] ? gfs2_reconfigure+0xd30/0xd30
[ 288.673453][ T4640] gfs2_get_tree+0x4d/0x1e0
[ 288.678012][ T4640] vfs_get_tree+0x88/0x270
[ 288.682481][ T4640] do_new_mount+0x24a/0xa40
[ 288.687031][ T4640] __se_sys_mount+0x2e3/0x3d0
[ 288.691756][ T4640] ? __x64_sys_mount+0xc0/0xc0
[ 288.696575][ T4640] ? lockdep_hardirqs_on+0x94/0x140
[ 288.701810][ T4640] ? __x64_sys_mount+0x1c/0xc0
[ 288.706627][ T4640] do_syscall_64+0x4c/0xa0
[ 288.711098][ T4640] ? clear_bhb_loop+0x60/0xb0
[ 288.715823][ T4640] ? clear_bhb_loop+0x60/0xb0
[ 288.720617][ T4640] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 288.726609][ T4640] RIP: 0033:0x7f7d2799e04a
[ 288.731089][ 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
[ 288.750826][ T4640] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.759436][ T4640] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 288.767430][ T4640] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 288.775667][ T4640] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 288.783653][ T4640] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 288.791636][ T4640] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 288.799620][ T4640]
[ 288.803334][ T4640] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.817302][ T4640] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.171746][ T4641] loop1: detected capacity change from 0 to 32768
[ 289.195802][ T4641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.203516][ T4641] CPU: 0 PID: 4641 Comm: syz.1.197 Not tainted syzkaller #0
[ 289.210864][ T4641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.220969][ T4641] Call Trace:
[ 289.224287][ T4641]
[ 289.227261][ T4641] dump_stack_lvl+0x188/0x24e
[ 289.231999][ T4641] ? show_regs_print_info+0x12/0x12
[ 289.237259][ T4641] ? load_image+0x400/0x400
[ 289.241820][ T4641] sysfs_create_dir_ns+0x26a/0x290
[ 289.247076][ T4641] ? sysfs_warn_dup+0xa0/0xa0
[ 289.251924][ T4641] ? do_raw_spin_unlock+0x11d/0x230
[ 289.257174][ T4641] kobject_add_internal+0x61c/0xcc0
[ 289.262511][ T4641] kobject_init_and_add+0x128/0x190
[ 289.267755][ T4641] ? lockdep_softirqs_off+0x430/0x430
[ 289.273179][ T4641] ? kobject_add+0x230/0x230
[ 289.277914][ T4641] ? __init_swait_queue_head+0xa5/0x150
[ 289.283546][ T4641] gfs2_sys_fs_add+0x24f/0x4b0
[ 289.288352][ T4641] ? gfs2_recover_set+0x240/0x240
[ 289.293630][ T4641] ? snprintf+0xe5/0x140
[ 289.298020][ T4641] ? vscnprintf+0x80/0x80
[ 289.302422][ T4641] gfs2_fill_super+0x128c/0x1fb0
[ 289.307434][ T4641] ? gfs2_reconfigure+0xd30/0xd30
[ 289.312710][ T4641] ? sb_set_blocksize+0xa5/0xe0
[ 289.317625][ T4641] get_tree_bdev+0x3f1/0x610
[ 289.322361][ T4641] ? gfs2_reconfigure+0xd30/0xd30
[ 289.327523][ T4641] gfs2_get_tree+0x4d/0x1e0
[ 289.332074][ T4641] vfs_get_tree+0x88/0x270
[ 289.336540][ T4641] do_new_mount+0x24a/0xa40
[ 289.341091][ T4641] __se_sys_mount+0x2e3/0x3d0
[ 289.345906][ T4641] ? __x64_sys_mount+0xc0/0xc0
[ 289.350723][ T4641] ? lockdep_hardirqs_on+0x94/0x140
[ 289.356143][ T4641] ? __x64_sys_mount+0x1c/0xc0
[ 289.361036][ T4641] do_syscall_64+0x4c/0xa0
[ 289.365500][ T4641] ? clear_bhb_loop+0x60/0xb0
[ 289.370206][ T4641] ? clear_bhb_loop+0x60/0xb0
[ 289.374891][ T4641] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 289.380789][ T4641] RIP: 0033:0x7f7d2799e04a
[ 289.385295][ 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
[ 289.404918][ T4641] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.413338][ T4641] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 289.421448][ T4641] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 289.429534][ T4641] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 289.437524][ T4641] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 289.445718][ T4641] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 289.453718][ T4641]
[ 289.462493][ T4641] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.475870][ T4641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.853859][ T4642] loop1: detected capacity change from 0 to 32768
[ 289.877418][ T4642] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.884926][ T4642] CPU: 0 PID: 4642 Comm: syz.1.198 Not tainted syzkaller #0
[ 289.892303][ T4642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.902483][ T4642] Call Trace:
[ 289.905799][ T4642]
[ 289.908777][ T4642] dump_stack_lvl+0x188/0x24e
[ 289.913524][ T4642] ? show_regs_print_info+0x12/0x12
[ 289.918778][ T4642] ? load_image+0x400/0x400
[ 289.923349][ T4642] sysfs_create_dir_ns+0x26a/0x290
[ 289.928687][ T4642] ? sysfs_warn_dup+0xa0/0xa0
[ 289.933502][ T4642] ? do_raw_spin_unlock+0x11d/0x230
[ 289.938769][ T4642] kobject_add_internal+0x61c/0xcc0
[ 289.944083][ T4642] kobject_init_and_add+0x128/0x190
[ 289.949503][ T4642] ? lockdep_softirqs_off+0x430/0x430
[ 289.954935][ T4642] ? kobject_add+0x230/0x230
[ 289.959686][ T4642] ? __init_swait_queue_head+0xa5/0x150
[ 289.965297][ T4642] gfs2_sys_fs_add+0x24f/0x4b0
[ 289.970127][ T4642] ? gfs2_recover_set+0x240/0x240
[ 289.975201][ T4642] ? snprintf+0xe5/0x140
[ 289.979493][ T4642] ? vscnprintf+0x80/0x80
[ 289.983902][ T4642] gfs2_fill_super+0x128c/0x1fb0
[ 289.988995][ T4642] ? gfs2_reconfigure+0xd30/0xd30
[ 289.994262][ T4642] ? sb_set_blocksize+0xa5/0xe0
[ 289.999176][ T4642] get_tree_bdev+0x3f1/0x610
[ 290.003811][ T4642] ? gfs2_reconfigure+0xd30/0xd30
[ 290.008893][ T4642] gfs2_get_tree+0x4d/0x1e0
[ 290.013445][ T4642] vfs_get_tree+0x88/0x270
[ 290.017919][ T4642] do_new_mount+0x24a/0xa40
[ 290.022473][ T4642] __se_sys_mount+0x2e3/0x3d0
[ 290.027408][ T4642] ? __x64_sys_mount+0xc0/0xc0
[ 290.032222][ T4642] ? lockdep_hardirqs_on+0x94/0x140
[ 290.037459][ T4642] ? __x64_sys_mount+0x1c/0xc0
[ 290.042296][ T4642] do_syscall_64+0x4c/0xa0
[ 290.046772][ T4642] ? clear_bhb_loop+0x60/0xb0
[ 290.051542][ T4642] ? clear_bhb_loop+0x60/0xb0
[ 290.056284][ T4642] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 290.062477][ T4642] RIP: 0033:0x7f7d2799e04a
[ 290.066934][ 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
[ 290.086757][ T4642] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.095178][ T4642] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 290.103166][ T4642] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 290.111224][ T4642] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 290.119199][ T4642] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 290.127187][ T4642] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 290.135197][ T4642]
[ 290.144373][ T4642] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.158090][ T4642] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.521967][ T4643] loop1: detected capacity change from 0 to 32768
[ 290.545529][ T4643] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.553085][ T4643] CPU: 1 PID: 4643 Comm: syz.1.199 Not tainted syzkaller #0
[ 290.560564][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.570746][ T4643] Call Trace:
[ 290.574159][ T4643]
[ 290.577132][ T4643] dump_stack_lvl+0x188/0x24e
[ 290.581955][ T4643] ? show_regs_print_info+0x12/0x12
[ 290.587210][ T4643] ? load_image+0x400/0x400
[ 290.591783][ T4643] sysfs_create_dir_ns+0x26a/0x290
[ 290.596951][ T4643] ? sysfs_warn_dup+0xa0/0xa0
[ 290.601676][ T4643] ? do_raw_spin_unlock+0x11d/0x230
[ 290.606919][ T4643] kobject_add_internal+0x61c/0xcc0
[ 290.612223][ T4643] kobject_init_and_add+0x128/0x190
[ 290.617461][ T4643] ? lockdep_softirqs_off+0x430/0x430
[ 290.622904][ T4643] ? kobject_add+0x230/0x230
[ 290.627545][ T4643] ? __init_swait_queue_head+0xa5/0x150
[ 290.633137][ T4643] gfs2_sys_fs_add+0x24f/0x4b0
[ 290.637923][ T4643] ? gfs2_recover_set+0x240/0x240
[ 290.642957][ T4643] ? snprintf+0xe5/0x140
[ 290.647238][ T4643] ? vscnprintf+0x80/0x80
[ 290.651603][ T4643] gfs2_fill_super+0x128c/0x1fb0
[ 290.656665][ T4643] ? gfs2_reconfigure+0xd30/0xd30
[ 290.662010][ T4643] ? sb_set_blocksize+0xa5/0xe0
[ 290.666930][ T4643] get_tree_bdev+0x3f1/0x610
[ 290.671566][ T4643] ? gfs2_reconfigure+0xd30/0xd30
[ 290.676819][ T4643] gfs2_get_tree+0x4d/0x1e0
[ 290.681370][ T4643] vfs_get_tree+0x88/0x270
[ 290.685848][ T4643] do_new_mount+0x24a/0xa40
[ 290.690499][ T4643] __se_sys_mount+0x2e3/0x3d0
[ 290.695232][ T4643] ? __x64_sys_mount+0xc0/0xc0
[ 290.700044][ T4643] ? lockdep_hardirqs_on+0x94/0x140
[ 290.705285][ T4643] ? __x64_sys_mount+0x1c/0xc0
[ 290.710092][ T4643] do_syscall_64+0x4c/0xa0
[ 290.714559][ T4643] ? clear_bhb_loop+0x60/0xb0
[ 290.719288][ T4643] ? clear_bhb_loop+0x60/0xb0
[ 290.724006][ T4643] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 290.729936][ T4643] RIP: 0033:0x7f7d2799e04a
[ 290.734385][ 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
[ 290.754025][ T4643] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.762556][ T4643] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 290.770561][ T4643] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 290.778566][ T4643] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 290.786563][ T4643] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 290.794629][ T4643] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 290.802707][ T4643]
[ 290.806564][ T4643] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.820230][ T4643] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.182854][ T4644] loop1: detected capacity change from 0 to 32768
[ 291.197144][ T4644] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.204771][ T4644] CPU: 1 PID: 4644 Comm: syz.1.200 Not tainted syzkaller #0
[ 291.212111][ T4644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 291.222300][ T4644] Call Trace:
[ 291.225624][ T4644]
[ 291.228587][ T4644] dump_stack_lvl+0x188/0x24e
[ 291.233311][ T4644] ? show_regs_print_info+0x12/0x12
[ 291.238563][ T4644] ? load_image+0x400/0x400
[ 291.243135][ T4644] sysfs_create_dir_ns+0x26a/0x290
[ 291.248301][ T4644] ? sysfs_warn_dup+0xa0/0xa0
[ 291.253022][ T4644] ? do_raw_spin_unlock+0x11d/0x230
[ 291.258274][ T4644] kobject_add_internal+0x61c/0xcc0
[ 291.263706][ T4644] kobject_init_and_add+0x128/0x190
[ 291.268969][ T4644] ? lockdep_softirqs_off+0x430/0x430
[ 291.274418][ T4644] ? kobject_add+0x230/0x230
[ 291.279077][ T4644] ? __init_swait_queue_head+0xa5/0x150
[ 291.284709][ T4644] gfs2_sys_fs_add+0x24f/0x4b0
[ 291.289541][ T4644] ? gfs2_recover_set+0x240/0x240
[ 291.294716][ T4644] ? snprintf+0xe5/0x140
[ 291.299110][ T4644] ? vscnprintf+0x80/0x80
[ 291.303504][ T4644] gfs2_fill_super+0x128c/0x1fb0
[ 291.308551][ T4644] ? gfs2_reconfigure+0xd30/0xd30
[ 291.313618][ T4644] ? sb_set_blocksize+0xa5/0xe0
[ 291.318580][ T4644] get_tree_bdev+0x3f1/0x610
[ 291.323283][ T4644] ? gfs2_reconfigure+0xd30/0xd30
[ 291.328420][ T4644] gfs2_get_tree+0x4d/0x1e0
[ 291.332939][ T4644] vfs_get_tree+0x88/0x270
[ 291.337389][ T4644] do_new_mount+0x24a/0xa40
[ 291.341914][ T4644] __se_sys_mount+0x2e3/0x3d0
[ 291.346619][ T4644] ? __x64_sys_mount+0xc0/0xc0
[ 291.351403][ T4644] ? lockdep_hardirqs_on+0x94/0x140
[ 291.356656][ T4644] ? __x64_sys_mount+0x1c/0xc0
[ 291.361528][ T4644] do_syscall_64+0x4c/0xa0
[ 291.365972][ T4644] ? clear_bhb_loop+0x60/0xb0
[ 291.370664][ T4644] ? clear_bhb_loop+0x60/0xb0
[ 291.375358][ T4644] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 291.381270][ T4644] RIP: 0033:0x7f7d2799e04a
[ 291.385712][ 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
[ 291.405335][ T4644] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.413764][ T4644] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 291.421836][ T4644] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 291.429831][ T4644] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 291.437816][ T4644] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 291.445811][ T4644] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 291.453811][ T4644]
[ 291.466507][ T4644] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.482995][ T4644] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.803668][ T4645] loop1: detected capacity change from 0 to 32768
[ 291.812600][ T4645] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.830827][ T4645] CPU: 1 PID: 4645 Comm: syz.1.201 Not tainted syzkaller #0
[ 291.838269][ T4645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 291.848383][ T4645] Call Trace:
[ 291.851661][ T4645]
[ 291.854602][ T4645] dump_stack_lvl+0x188/0x24e
[ 291.859291][ T4645] ? show_regs_print_info+0x12/0x12
[ 291.864794][ T4645] ? load_image+0x400/0x400
[ 291.869366][ T4645] sysfs_create_dir_ns+0x26a/0x290
[ 291.874502][ T4645] ? sysfs_warn_dup+0xa0/0xa0
[ 291.879409][ T4645] ? do_raw_spin_unlock+0x11d/0x230
[ 291.884657][ T4645] kobject_add_internal+0x61c/0xcc0
[ 291.889902][ T4645] kobject_init_and_add+0x128/0x190
[ 291.895158][ T4645] ? lockdep_softirqs_off+0x430/0x430
[ 291.900684][ T4645] ? kobject_add+0x230/0x230
[ 291.905428][ T4645] ? __init_swait_queue_head+0xa5/0x150
[ 291.911039][ T4645] gfs2_sys_fs_add+0x24f/0x4b0
[ 291.915868][ T4645] ? gfs2_recover_set+0x240/0x240
[ 291.920951][ T4645] ? snprintf+0xe5/0x140
[ 291.925246][ T4645] ? vscnprintf+0x80/0x80
[ 291.929637][ T4645] gfs2_fill_super+0x128c/0x1fb0
[ 291.934639][ T4645] ? gfs2_reconfigure+0xd30/0xd30
[ 291.939717][ T4645] ? sb_set_blocksize+0xa5/0xe0
[ 291.944722][ T4645] get_tree_bdev+0x3f1/0x610
[ 291.949444][ T4645] ? gfs2_reconfigure+0xd30/0xd30
[ 291.954532][ T4645] gfs2_get_tree+0x4d/0x1e0
[ 291.959096][ T4645] vfs_get_tree+0x88/0x270
[ 291.963934][ T4645] do_new_mount+0x24a/0xa40
[ 291.968492][ T4645] __se_sys_mount+0x2e3/0x3d0
[ 291.973215][ T4645] ? __x64_sys_mount+0xc0/0xc0
[ 291.978534][ T4645] ? lockdep_hardirqs_on+0x94/0x140
[ 291.983973][ T4645] ? __x64_sys_mount+0x1c/0xc0
[ 291.989041][ T4645] do_syscall_64+0x4c/0xa0
[ 291.993576][ T4645] ? clear_bhb_loop+0x60/0xb0
[ 291.999071][ T4645] ? clear_bhb_loop+0x60/0xb0
[ 292.003875][ T4645] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 292.009788][ T4645] RIP: 0033:0x7f7d2799e04a
[ 292.014214][ 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
[ 292.034185][ T4645] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.042763][ T4645] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 292.050824][ T4645] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 292.058810][ T4645] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 292.066888][ T4645] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 292.074882][ T4645] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 292.082967][ T4645]
[ 292.086747][ T4645] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.100397][ T4645] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 03:59:28 executed programs: 187
[ 292.479230][ T4646] loop1: detected capacity change from 0 to 32768
[ 292.496972][ T4646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.504427][ T4646] CPU: 0 PID: 4646 Comm: syz.1.202 Not tainted syzkaller #0
[ 292.511857][ T4646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 292.522063][ T4646] Call Trace:
[ 292.525392][ T4646]
[ 292.528371][ T4646] dump_stack_lvl+0x188/0x24e
[ 292.533112][ T4646] ? show_regs_print_info+0x12/0x12
[ 292.538378][ T4646] ? load_image+0x400/0x400
[ 292.543072][ T4646] sysfs_create_dir_ns+0x26a/0x290
[ 292.548270][ T4646] ? sysfs_warn_dup+0xa0/0xa0
[ 292.552987][ T4646] ? do_raw_spin_unlock+0x11d/0x230
[ 292.558230][ T4646] kobject_add_internal+0x61c/0xcc0
[ 292.563480][ T4646] kobject_init_and_add+0x128/0x190
[ 292.568828][ T4646] ? lockdep_softirqs_off+0x430/0x430
[ 292.574257][ T4646] ? kobject_add+0x230/0x230
[ 292.578902][ T4646] ? __init_swait_queue_head+0xa5/0x150
[ 292.584487][ T4646] gfs2_sys_fs_add+0x24f/0x4b0
[ 292.589294][ T4646] ? gfs2_recover_set+0x240/0x240
[ 292.594400][ T4646] ? snprintf+0xe5/0x140
[ 292.598705][ T4646] ? vscnprintf+0x80/0x80
[ 292.603180][ T4646] gfs2_fill_super+0x128c/0x1fb0
[ 292.608176][ T4646] ? gfs2_reconfigure+0xd30/0xd30
[ 292.613251][ T4646] ? sb_set_blocksize+0xa5/0xe0
[ 292.618204][ T4646] get_tree_bdev+0x3f1/0x610
[ 292.622845][ T4646] ? gfs2_reconfigure+0xd30/0xd30
[ 292.627915][ T4646] gfs2_get_tree+0x4d/0x1e0
[ 292.632483][ T4646] vfs_get_tree+0x88/0x270
[ 292.636954][ T4646] do_new_mount+0x24a/0xa40
[ 292.641520][ T4646] __se_sys_mount+0x2e3/0x3d0
[ 292.646731][ T4646] ? __x64_sys_mount+0xc0/0xc0
[ 292.651579][ T4646] ? lockdep_hardirqs_on+0x94/0x140
[ 292.657023][ T4646] ? __x64_sys_mount+0x1c/0xc0
[ 292.661839][ T4646] do_syscall_64+0x4c/0xa0
[ 292.666359][ T4646] ? clear_bhb_loop+0x60/0xb0
[ 292.671161][ T4646] ? clear_bhb_loop+0x60/0xb0
[ 292.675877][ T4646] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 292.681889][ T4646] RIP: 0033:0x7f7d2799e04a
[ 292.686349][ 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
[ 292.706107][ T4646] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.714616][ T4646] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 292.722651][ T4646] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 292.730737][ T4646] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 292.738730][ T4646] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 292.746728][ T4646] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 292.754714][ T4646]
[ 292.760188][ T4646] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.773771][ T4646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.126307][ T4647] loop1: detected capacity change from 0 to 32768
[ 293.142726][ T4647] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.150284][ T4647] CPU: 1 PID: 4647 Comm: syz.1.203 Not tainted syzkaller #0
[ 293.157617][ T4647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 293.167743][ T4647] Call Trace:
[ 293.171147][ T4647]
[ 293.174135][ T4647] dump_stack_lvl+0x188/0x24e
[ 293.178876][ T4647] ? show_regs_print_info+0x12/0x12
[ 293.184131][ T4647] ? load_image+0x400/0x400
[ 293.188707][ T4647] sysfs_create_dir_ns+0x26a/0x290
[ 293.193880][ T4647] ? sysfs_warn_dup+0xa0/0xa0
[ 293.198616][ T4647] ? do_raw_spin_unlock+0x11d/0x230
[ 293.203863][ T4647] kobject_add_internal+0x61c/0xcc0
[ 293.209113][ T4647] kobject_init_and_add+0x128/0x190
[ 293.214333][ T4647] ? lockdep_softirqs_off+0x430/0x430
[ 293.219832][ T4647] ? kobject_add+0x230/0x230
[ 293.224444][ T4647] ? __init_swait_queue_head+0xa5/0x150
[ 293.230103][ T4647] gfs2_sys_fs_add+0x24f/0x4b0
[ 293.234897][ T4647] ? gfs2_recover_set+0x240/0x240
[ 293.240031][ T4647] ? snprintf+0xe5/0x140
[ 293.244298][ T4647] ? vscnprintf+0x80/0x80
[ 293.248653][ T4647] gfs2_fill_super+0x128c/0x1fb0
[ 293.253680][ T4647] ? gfs2_reconfigure+0xd30/0xd30
[ 293.258758][ T4647] ? sb_set_blocksize+0xa5/0xe0
[ 293.263649][ T4647] get_tree_bdev+0x3f1/0x610
[ 293.268284][ T4647] ? gfs2_reconfigure+0xd30/0xd30
[ 293.273328][ T4647] gfs2_get_tree+0x4d/0x1e0
[ 293.277857][ T4647] vfs_get_tree+0x88/0x270
[ 293.282289][ T4647] do_new_mount+0x24a/0xa40
[ 293.286833][ T4647] __se_sys_mount+0x2e3/0x3d0
[ 293.291543][ T4647] ? __x64_sys_mount+0xc0/0xc0
[ 293.296335][ T4647] ? lockdep_hardirqs_on+0x94/0x140
[ 293.301558][ T4647] ? __x64_sys_mount+0x1c/0xc0
[ 293.306524][ T4647] do_syscall_64+0x4c/0xa0
[ 293.310966][ T4647] ? clear_bhb_loop+0x60/0xb0
[ 293.315757][ T4647] ? clear_bhb_loop+0x60/0xb0
[ 293.320521][ T4647] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 293.326433][ T4647] RIP: 0033:0x7f7d2799e04a
[ 293.330957][ 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
[ 293.350597][ T4647] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.359028][ T4647] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 293.367036][ T4647] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 293.375153][ T4647] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 293.383314][ T4647] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 293.391299][ T4647] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 293.399296][ T4647]
[ 293.418110][ T4647] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.435466][ T4647] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.746379][ T48] Bluetooth: hci1: command 0x0406 tx timeout
[ 293.773078][ T4648] loop1: detected capacity change from 0 to 32768
[ 293.791067][ T4648] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.798796][ T4648] CPU: 0 PID: 4648 Comm: syz.1.204 Not tainted syzkaller #0
[ 293.806126][ T4648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 293.816325][ T4648] Call Trace:
[ 293.819814][ T4648]
[ 293.822776][ T4648] dump_stack_lvl+0x188/0x24e
[ 293.827571][ T4648] ? show_regs_print_info+0x12/0x12
[ 293.832883][ T4648] ? load_image+0x400/0x400
[ 293.837412][ T4648] sysfs_create_dir_ns+0x26a/0x290
[ 293.842547][ T4648] ? sysfs_warn_dup+0xa0/0xa0
[ 293.847255][ T4648] ? do_raw_spin_unlock+0x11d/0x230
[ 293.852473][ T4648] kobject_add_internal+0x61c/0xcc0
[ 293.857694][ T4648] kobject_init_and_add+0x128/0x190
[ 293.862909][ T4648] ? lockdep_softirqs_off+0x430/0x430
[ 293.868395][ T4648] ? kobject_add+0x230/0x230
[ 293.873096][ T4648] ? __init_swait_queue_head+0xa5/0x150
[ 293.878664][ T4648] gfs2_sys_fs_add+0x24f/0x4b0
[ 293.883546][ T4648] ? gfs2_recover_set+0x240/0x240
[ 293.888603][ T4648] ? snprintf+0xe5/0x140
[ 293.892866][ T4648] ? vscnprintf+0x80/0x80
[ 293.897221][ T4648] gfs2_fill_super+0x128c/0x1fb0
[ 293.902209][ T4648] ? gfs2_reconfigure+0xd30/0xd30
[ 293.907345][ T4648] ? sb_set_blocksize+0xa5/0xe0
[ 293.912218][ T4648] get_tree_bdev+0x3f1/0x610
[ 293.916827][ T4648] ? gfs2_reconfigure+0xd30/0xd30
[ 293.921865][ T4648] gfs2_get_tree+0x4d/0x1e0
[ 293.926555][ T4648] vfs_get_tree+0x88/0x270
[ 293.931013][ T4648] do_new_mount+0x24a/0xa40
[ 293.935541][ T4648] __se_sys_mount+0x2e3/0x3d0
[ 293.940338][ T4648] ? __x64_sys_mount+0xc0/0xc0
[ 293.945213][ T4648] ? lockdep_hardirqs_on+0x94/0x140
[ 293.950436][ T4648] ? __x64_sys_mount+0x1c/0xc0
[ 293.955308][ T4648] do_syscall_64+0x4c/0xa0
[ 293.959747][ T4648] ? clear_bhb_loop+0x60/0xb0
[ 293.964481][ T4648] ? clear_bhb_loop+0x60/0xb0
[ 293.969212][ T4648] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 293.975468][ T4648] RIP: 0033:0x7f7d2799e04a
[ 293.979911][ 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
[ 293.999608][ T4648] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.008213][ T4648] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 294.016461][ T4648] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 294.024442][ T4648] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 294.032427][ T4648] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 294.040415][ T4648] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 294.048413][ T4648]
[ 294.059483][ T4648] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.073463][ T4648] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.400671][ T4649] loop1: detected capacity change from 0 to 32768
[ 294.408837][ T4649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.416617][ T4649] CPU: 0 PID: 4649 Comm: syz.1.205 Not tainted syzkaller #0
[ 294.423944][ T4649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 294.434297][ T4649] Call Trace:
[ 294.437626][ T4649]
[ 294.440599][ T4649] dump_stack_lvl+0x188/0x24e
[ 294.445348][ T4649] ? show_regs_print_info+0x12/0x12
[ 294.450619][ T4649] ? load_image+0x400/0x400
[ 294.455182][ T4649] sysfs_create_dir_ns+0x26a/0x290
[ 294.460354][ T4649] ? sysfs_warn_dup+0xa0/0xa0
[ 294.465093][ T4649] ? do_raw_spin_unlock+0x11d/0x230
[ 294.470347][ T4649] kobject_add_internal+0x61c/0xcc0
[ 294.475628][ T4649] kobject_init_and_add+0x128/0x190
[ 294.480880][ T4649] ? lockdep_softirqs_off+0x430/0x430
[ 294.486307][ T4649] ? kobject_add+0x230/0x230
[ 294.490944][ T4649] ? __init_swait_queue_head+0xa5/0x150
[ 294.496634][ T4649] gfs2_sys_fs_add+0x24f/0x4b0
[ 294.501450][ T4649] ? gfs2_recover_set+0x240/0x240
[ 294.506526][ T4649] ? snprintf+0xe5/0x140
[ 294.510812][ T4649] ? vscnprintf+0x80/0x80
[ 294.515170][ T4649] gfs2_fill_super+0x128c/0x1fb0
[ 294.520135][ T4649] ? gfs2_reconfigure+0xd30/0xd30
[ 294.525179][ T4649] ? sb_set_blocksize+0xa5/0xe0
[ 294.530052][ T4649] get_tree_bdev+0x3f1/0x610
[ 294.534748][ T4649] ? gfs2_reconfigure+0xd30/0xd30
[ 294.539965][ T4649] gfs2_get_tree+0x4d/0x1e0
[ 294.544483][ T4649] vfs_get_tree+0x88/0x270
[ 294.548945][ T4649] do_new_mount+0x24a/0xa40
[ 294.553488][ T4649] __se_sys_mount+0x2e3/0x3d0
[ 294.558188][ T4649] ? __x64_sys_mount+0xc0/0xc0
[ 294.562971][ T4649] ? lockdep_hardirqs_on+0x94/0x140
[ 294.568184][ T4649] ? __x64_sys_mount+0x1c/0xc0
[ 294.572976][ T4649] do_syscall_64+0x4c/0xa0
[ 294.577416][ T4649] ? clear_bhb_loop+0x60/0xb0
[ 294.582109][ T4649] ? clear_bhb_loop+0x60/0xb0
[ 294.586896][ T4649] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 294.592822][ T4649] RIP: 0033:0x7f7d2799e04a
[ 294.597264][ 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
[ 294.617074][ T4649] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.625525][ T4649] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 294.633556][ T4649] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 294.641544][ T4649] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 294.649623][ T4649] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 294.657634][ T4649] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 294.665663][ T4649]
[ 294.676569][ T4649] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.690608][ T4649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.059483][ T4650] loop1: detected capacity change from 0 to 32768
[ 295.078728][ T4650] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.086396][ T4650] CPU: 1 PID: 4650 Comm: syz.1.206 Not tainted syzkaller #0
[ 295.093739][ T4650] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 295.103866][ T4650] Call Trace:
[ 295.107192][ T4650]
[ 295.110447][ T4650] dump_stack_lvl+0x188/0x24e
[ 295.115204][ T4650] ? show_regs_print_info+0x12/0x12
[ 295.120665][ T4650] ? load_image+0x400/0x400
[ 295.125247][ T4650] sysfs_create_dir_ns+0x26a/0x290
[ 295.130508][ T4650] ? sysfs_warn_dup+0xa0/0xa0
[ 295.135337][ T4650] ? do_raw_spin_unlock+0x11d/0x230
[ 295.140598][ T4650] kobject_add_internal+0x61c/0xcc0
[ 295.145852][ T4650] kobject_init_and_add+0x128/0x190
[ 295.151092][ T4650] ? lockdep_softirqs_off+0x430/0x430
[ 295.156521][ T4650] ? kobject_add+0x230/0x230
[ 295.161249][ T4650] ? __init_swait_queue_head+0xa5/0x150
[ 295.166836][ T4650] gfs2_sys_fs_add+0x24f/0x4b0
[ 295.171634][ T4650] ? gfs2_recover_set+0x240/0x240
[ 295.176694][ T4650] ? snprintf+0xe5/0x140
[ 295.180963][ T4650] ? vscnprintf+0x80/0x80
[ 295.185435][ T4650] gfs2_fill_super+0x128c/0x1fb0
[ 295.190431][ T4650] ? gfs2_reconfigure+0xd30/0xd30
[ 295.195523][ T4650] ? sb_set_blocksize+0xa5/0xe0
[ 295.200437][ T4650] get_tree_bdev+0x3f1/0x610
[ 295.205089][ T4650] ? gfs2_reconfigure+0xd30/0xd30
[ 295.210161][ T4650] gfs2_get_tree+0x4d/0x1e0
[ 295.214723][ T4650] vfs_get_tree+0x88/0x270
[ 295.219184][ T4650] do_new_mount+0x24a/0xa40
[ 295.223840][ T4650] __se_sys_mount+0x2e3/0x3d0
[ 295.228592][ T4650] ? __x64_sys_mount+0xc0/0xc0
[ 295.233497][ T4650] ? lockdep_hardirqs_on+0x94/0x140
[ 295.238735][ T4650] ? __x64_sys_mount+0x1c/0xc0
[ 295.243551][ T4650] do_syscall_64+0x4c/0xa0
[ 295.248017][ T4650] ? clear_bhb_loop+0x60/0xb0
[ 295.252743][ T4650] ? clear_bhb_loop+0x60/0xb0
[ 295.257467][ T4650] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 295.263409][ T4650] RIP: 0033:0x7f7d2799e04a
[ 295.267860][ 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
[ 295.287657][ T4650] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.296084][ T4650] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 295.304176][ T4650] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 295.312151][ T4650] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 295.320125][ T4650] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 295.328105][ T4650] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 295.336102][ T4650]
[ 295.340518][ T4650] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.358995][ T4650] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.708153][ T4651] loop1: detected capacity change from 0 to 32768
[ 295.730059][ T4651] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.738258][ T4651] CPU: 1 PID: 4651 Comm: syz.1.207 Not tainted syzkaller #0
[ 295.745631][ T4651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 295.755844][ T4651] Call Trace:
[ 295.759161][ T4651]
[ 295.762145][ T4651] dump_stack_lvl+0x188/0x24e
[ 295.766883][ T4651] ? show_regs_print_info+0x12/0x12
[ 295.772133][ T4651] ? load_image+0x400/0x400
[ 295.777865][ T4651] sysfs_create_dir_ns+0x26a/0x290
[ 295.783046][ T4651] ? sysfs_warn_dup+0xa0/0xa0
[ 295.787950][ T4651] ? do_raw_spin_unlock+0x11d/0x230
[ 295.793195][ T4651] kobject_add_internal+0x61c/0xcc0
[ 295.798444][ T4651] kobject_init_and_add+0x128/0x190
[ 295.804083][ T4651] ? lockdep_softirqs_off+0x430/0x430
[ 295.810045][ T4651] ? kobject_add+0x230/0x230
[ 295.814697][ T4651] ? __init_swait_queue_head+0xa5/0x150
[ 295.820476][ T4651] gfs2_sys_fs_add+0x24f/0x4b0
[ 295.825341][ T4651] ? gfs2_recover_set+0x240/0x240
[ 295.830469][ T4651] ? snprintf+0xe5/0x140
[ 295.834729][ T4651] ? vscnprintf+0x80/0x80
[ 295.839090][ T4651] gfs2_fill_super+0x128c/0x1fb0
[ 295.844041][ T4651] ? gfs2_reconfigure+0xd30/0xd30
[ 295.849076][ T4651] ? sb_set_blocksize+0xa5/0xe0
[ 295.853952][ T4651] get_tree_bdev+0x3f1/0x610
[ 295.858596][ T4651] ? gfs2_reconfigure+0xd30/0xd30
[ 295.863636][ T4651] gfs2_get_tree+0x4d/0x1e0
[ 295.868320][ T4651] vfs_get_tree+0x88/0x270
[ 295.872755][ T4651] do_new_mount+0x24a/0xa40
[ 295.877363][ T4651] __se_sys_mount+0x2e3/0x3d0
[ 295.882136][ T4651] ? __x64_sys_mount+0xc0/0xc0
[ 295.886915][ T4651] ? lockdep_hardirqs_on+0x94/0x140
[ 295.892119][ T4651] ? __x64_sys_mount+0x1c/0xc0
[ 295.896903][ T4651] do_syscall_64+0x4c/0xa0
[ 295.901403][ T4651] ? clear_bhb_loop+0x60/0xb0
[ 295.906126][ T4651] ? clear_bhb_loop+0x60/0xb0
[ 295.910861][ T4651] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 295.916887][ T4651] RIP: 0033:0x7f7d2799e04a
[ 295.921335][ 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
[ 295.941167][ T4651] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.949630][ T4651] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 295.957729][ T4651] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 295.965748][ T4651] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 295.973860][ T4651] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 295.982087][ T4651] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 295.990078][ T4651]
[ 295.994143][ T4651] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.007394][ T4651] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.341059][ T4652] loop1: detected capacity change from 0 to 32768
[ 296.366773][ T4652] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.374292][ T4652] CPU: 0 PID: 4652 Comm: syz.1.208 Not tainted syzkaller #0
[ 296.381693][ T4652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 296.391798][ T4652] Call Trace:
[ 296.395118][ T4652]
[ 296.398085][ T4652] dump_stack_lvl+0x188/0x24e
[ 296.402855][ T4652] ? show_regs_print_info+0x12/0x12
[ 296.408117][ T4652] ? load_image+0x400/0x400
[ 296.412691][ T4652] sysfs_create_dir_ns+0x26a/0x290
[ 296.417860][ T4652] ? sysfs_warn_dup+0xa0/0xa0
[ 296.422593][ T4652] ? do_raw_spin_unlock+0x11d/0x230
[ 296.427843][ T4652] kobject_add_internal+0x61c/0xcc0
[ 296.433089][ T4652] kobject_init_and_add+0x128/0x190
[ 296.438325][ T4652] ? lockdep_softirqs_off+0x430/0x430
[ 296.443744][ T4652] ? kobject_add+0x230/0x230
[ 296.448381][ T4652] ? __init_swait_queue_head+0xa5/0x150
[ 296.453987][ T4652] gfs2_sys_fs_add+0x24f/0x4b0
[ 296.458817][ T4652] ? gfs2_recover_set+0x240/0x240
[ 296.463878][ T4652] ? snprintf+0xe5/0x140
[ 296.468150][ T4652] ? vscnprintf+0x80/0x80
[ 296.472508][ T4652] gfs2_fill_super+0x128c/0x1fb0
[ 296.477482][ T4652] ? gfs2_reconfigure+0xd30/0xd30
[ 296.482530][ T4652] ? sb_set_blocksize+0xa5/0xe0
[ 296.487408][ T4652] get_tree_bdev+0x3f1/0x610
[ 296.492021][ T4652] ? gfs2_reconfigure+0xd30/0xd30
[ 296.497064][ T4652] gfs2_get_tree+0x4d/0x1e0
[ 296.501592][ T4652] vfs_get_tree+0x88/0x270
[ 296.506027][ T4652] do_new_mount+0x24a/0xa40
[ 296.510586][ T4652] __se_sys_mount+0x2e3/0x3d0
[ 296.515282][ T4652] ? __x64_sys_mount+0xc0/0xc0
[ 296.520095][ T4652] ? lockdep_hardirqs_on+0x94/0x140
[ 296.525314][ T4652] ? __x64_sys_mount+0x1c/0xc0
[ 296.530096][ T4652] do_syscall_64+0x4c/0xa0
[ 296.534596][ T4652] ? clear_bhb_loop+0x60/0xb0
[ 296.539293][ T4652] ? clear_bhb_loop+0x60/0xb0
[ 296.544000][ T4652] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 296.550001][ T4652] RIP: 0033:0x7f7d2799e04a
[ 296.554434][ 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
[ 296.574141][ T4652] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.582765][ T4652] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 296.590856][ T4652] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 296.598852][ T4652] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 296.606834][ T4652] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 296.614818][ T4652] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 296.622827][ T4652]
[ 296.628957][ T4652] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.656535][ T4652] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.000317][ T4653] loop1: detected capacity change from 0 to 32768
[ 297.012565][ T4653] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.020870][ T4653] CPU: 1 PID: 4653 Comm: syz.1.209 Not tainted syzkaller #0
[ 297.028589][ T4653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 297.038865][ T4653] Call Trace:
[ 297.042184][ T4653]
[ 297.045239][ T4653] dump_stack_lvl+0x188/0x24e
[ 297.049982][ T4653] ? show_regs_print_info+0x12/0x12
[ 297.055243][ T4653] ? load_image+0x400/0x400
[ 297.059812][ T4653] sysfs_create_dir_ns+0x26a/0x290
[ 297.065081][ T4653] ? sysfs_warn_dup+0xa0/0xa0
[ 297.069901][ T4653] ? do_raw_spin_unlock+0x11d/0x230
[ 297.075146][ T4653] kobject_add_internal+0x61c/0xcc0
[ 297.080574][ T4653] kobject_init_and_add+0x128/0x190
[ 297.085993][ T4653] ? lockdep_softirqs_off+0x430/0x430
[ 297.091424][ T4653] ? kobject_add+0x230/0x230
[ 297.096064][ T4653] ? __init_swait_queue_head+0xa5/0x150
[ 297.101656][ T4653] gfs2_sys_fs_add+0x24f/0x4b0
[ 297.106477][ T4653] ? gfs2_recover_set+0x240/0x240
[ 297.111649][ T4653] ? snprintf+0xe5/0x140
[ 297.115944][ T4653] ? vscnprintf+0x80/0x80
[ 297.120465][ T4653] gfs2_fill_super+0x128c/0x1fb0
[ 297.125557][ T4653] ? gfs2_reconfigure+0xd30/0xd30
[ 297.130625][ T4653] ? sb_set_blocksize+0xa5/0xe0
[ 297.135589][ T4653] get_tree_bdev+0x3f1/0x610
[ 297.140203][ T4653] ? gfs2_reconfigure+0xd30/0xd30
[ 297.145252][ T4653] gfs2_get_tree+0x4d/0x1e0
[ 297.149814][ T4653] vfs_get_tree+0x88/0x270
[ 297.154479][ T4653] do_new_mount+0x24a/0xa40
[ 297.159010][ T4653] __se_sys_mount+0x2e3/0x3d0
[ 297.163718][ T4653] ? __x64_sys_mount+0xc0/0xc0
[ 297.168515][ T4653] ? lockdep_hardirqs_on+0x94/0x140
[ 297.173823][ T4653] ? __x64_sys_mount+0x1c/0xc0
[ 297.178754][ T4653] do_syscall_64+0x4c/0xa0
[ 297.183374][ T4653] ? clear_bhb_loop+0x60/0xb0
[ 297.188066][ T4653] ? clear_bhb_loop+0x60/0xb0
[ 297.192780][ T4653] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 297.198711][ T4653] RIP: 0033:0x7f7d2799e04a
[ 297.203146][ 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
[ 297.222951][ T4653] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.231561][ T4653] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 297.239543][ T4653] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 297.248057][ T4653] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 297.256042][ T4653] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 297.264025][ T4653] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 297.272023][ T4653]
[ 297.280063][ T4653] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.293835][ T4653] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 03:59:34 executed programs: 195
[ 297.622807][ T4654] loop1: detected capacity change from 0 to 32768
[ 297.641638][ T4654] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.649490][ T4654] CPU: 1 PID: 4654 Comm: syz.1.210 Not tainted syzkaller #0
[ 297.656833][ T4654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 297.667019][ T4654] Call Trace:
[ 297.670355][ T4654]
[ 297.673330][ T4654] dump_stack_lvl+0x188/0x24e
[ 297.678083][ T4654] ? show_regs_print_info+0x12/0x12
[ 297.683516][ T4654] ? load_image+0x400/0x400
[ 297.688077][ T4654] sysfs_create_dir_ns+0x26a/0x290
[ 297.693237][ T4654] ? sysfs_warn_dup+0xa0/0xa0
[ 297.697963][ T4654] ? do_raw_spin_unlock+0x11d/0x230
[ 297.703201][ T4654] kobject_add_internal+0x61c/0xcc0
[ 297.708453][ T4654] kobject_init_and_add+0x128/0x190
[ 297.713712][ T4654] ? lockdep_softirqs_off+0x430/0x430
[ 297.719134][ T4654] ? kobject_add+0x230/0x230
[ 297.723844][ T4654] ? __init_swait_queue_head+0xa5/0x150
[ 297.729579][ T4654] gfs2_sys_fs_add+0x24f/0x4b0
[ 297.734416][ T4654] ? gfs2_recover_set+0x240/0x240
[ 297.739554][ T4654] ? snprintf+0xe5/0x140
[ 297.743812][ T4654] ? vscnprintf+0x80/0x80
[ 297.748153][ T4654] gfs2_fill_super+0x128c/0x1fb0
[ 297.753138][ T4654] ? gfs2_reconfigure+0xd30/0xd30
[ 297.758462][ T4654] ? sb_set_blocksize+0xa5/0xe0
[ 297.763386][ T4654] get_tree_bdev+0x3f1/0x610
[ 297.768000][ T4654] ? gfs2_reconfigure+0xd30/0xd30
[ 297.773042][ T4654] gfs2_get_tree+0x4d/0x1e0
[ 297.777568][ T4654] vfs_get_tree+0x88/0x270
[ 297.782090][ T4654] do_new_mount+0x24a/0xa40
[ 297.786617][ T4654] __se_sys_mount+0x2e3/0x3d0
[ 297.791410][ T4654] ? __x64_sys_mount+0xc0/0xc0
[ 297.796209][ T4654] ? lockdep_hardirqs_on+0x94/0x140
[ 297.801498][ T4654] ? __x64_sys_mount+0x1c/0xc0
[ 297.806353][ T4654] do_syscall_64+0x4c/0xa0
[ 297.810795][ T4654] ? clear_bhb_loop+0x60/0xb0
[ 297.815490][ T4654] ? clear_bhb_loop+0x60/0xb0
[ 297.820193][ T4654] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 297.826109][ T4654] RIP: 0033:0x7f7d2799e04a
[ 297.830544][ 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
[ 297.850356][ T4654] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.858814][ T4654] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 297.866808][ T4654] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 297.874802][ T4654] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 297.882877][ T4654] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 297.890868][ T4654] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 297.898959][ T4654]
[ 297.916537][ T4654] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.931825][ T4654] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.255658][ T4655] loop1: detected capacity change from 0 to 32768
[ 298.264876][ T4655] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.272461][ T4655] CPU: 1 PID: 4655 Comm: syz.1.211 Not tainted syzkaller #0
[ 298.279794][ T4655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.289960][ T4655] Call Trace:
[ 298.293277][ T4655]
[ 298.296336][ T4655] dump_stack_lvl+0x188/0x24e
[ 298.301140][ T4655] ? show_regs_print_info+0x12/0x12
[ 298.306491][ T4655] ? load_image+0x400/0x400
[ 298.311058][ T4655] sysfs_create_dir_ns+0x26a/0x290
[ 298.316224][ T4655] ? sysfs_warn_dup+0xa0/0xa0
[ 298.320976][ T4655] ? do_raw_spin_unlock+0x11d/0x230
[ 298.326227][ T4655] kobject_add_internal+0x61c/0xcc0
[ 298.331493][ T4655] kobject_init_and_add+0x128/0x190
[ 298.336734][ T4655] ? lockdep_softirqs_off+0x430/0x430
[ 298.342178][ T4655] ? kobject_add+0x230/0x230
[ 298.346816][ T4655] ? __init_swait_queue_head+0xa5/0x150
[ 298.352410][ T4655] gfs2_sys_fs_add+0x24f/0x4b0
[ 298.357230][ T4655] ? gfs2_recover_set+0x240/0x240
[ 298.362297][ T4655] ? snprintf+0xe5/0x140
[ 298.366589][ T4655] ? vscnprintf+0x80/0x80
[ 298.370978][ T4655] gfs2_fill_super+0x128c/0x1fb0
[ 298.375978][ T4655] ? gfs2_reconfigure+0xd30/0xd30
[ 298.381148][ T4655] ? sb_set_blocksize+0xa5/0xe0
[ 298.386137][ T4655] get_tree_bdev+0x3f1/0x610
[ 298.390768][ T4655] ? gfs2_reconfigure+0xd30/0xd30
[ 298.395833][ T4655] gfs2_get_tree+0x4d/0x1e0
[ 298.400410][ T4655] vfs_get_tree+0x88/0x270
[ 298.404874][ T4655] do_new_mount+0x24a/0xa40
[ 298.409428][ T4655] __se_sys_mount+0x2e3/0x3d0
[ 298.414171][ T4655] ? __x64_sys_mount+0xc0/0xc0
[ 298.419077][ T4655] ? lockdep_hardirqs_on+0x94/0x140
[ 298.424318][ T4655] ? __x64_sys_mount+0x1c/0xc0
[ 298.429229][ T4655] do_syscall_64+0x4c/0xa0
[ 298.433718][ T4655] ? clear_bhb_loop+0x60/0xb0
[ 298.438458][ T4655] ? clear_bhb_loop+0x60/0xb0
[ 298.443203][ T4655] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 298.449244][ T4655] RIP: 0033:0x7f7d2799e04a
[ 298.453717][ 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
[ 298.473475][ T4655] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.481934][ T4655] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 298.490101][ T4655] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 298.498077][ T4655] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 298.506068][ T4655] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 298.514069][ T4655] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 298.522056][ T4655]
[ 298.526667][ T4655] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.539982][ T4655] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.893405][ T4656] loop1: detected capacity change from 0 to 32768
[ 298.908735][ T4656] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.916309][ T4656] CPU: 0 PID: 4656 Comm: syz.1.212 Not tainted syzkaller #0
[ 298.923637][ T4656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.933722][ T4656] Call Trace:
[ 298.937136][ T4656]
[ 298.940131][ T4656] dump_stack_lvl+0x188/0x24e
[ 298.944870][ T4656] ? show_regs_print_info+0x12/0x12
[ 298.950126][ T4656] ? load_image+0x400/0x400
[ 298.954707][ T4656] sysfs_create_dir_ns+0x26a/0x290
[ 298.959886][ T4656] ? sysfs_warn_dup+0xa0/0xa0
[ 298.964614][ T4656] ? do_raw_spin_unlock+0x11d/0x230
[ 298.969863][ T4656] kobject_add_internal+0x61c/0xcc0
[ 298.975136][ T4656] kobject_init_and_add+0x128/0x190
[ 298.980381][ T4656] ? lockdep_softirqs_off+0x430/0x430
[ 298.985894][ T4656] ? kobject_add+0x230/0x230
[ 298.990527][ T4656] ? __init_swait_queue_head+0xa5/0x150
[ 298.996209][ T4656] gfs2_sys_fs_add+0x24f/0x4b0
[ 299.001018][ T4656] ? gfs2_recover_set+0x240/0x240
[ 299.006097][ T4656] ? snprintf+0xe5/0x140
[ 299.010387][ T4656] ? vscnprintf+0x80/0x80
[ 299.014866][ T4656] gfs2_fill_super+0x128c/0x1fb0
[ 299.019867][ T4656] ? gfs2_reconfigure+0xd30/0xd30
[ 299.024947][ T4656] ? sb_set_blocksize+0xa5/0xe0
[ 299.029852][ T4656] get_tree_bdev+0x3f1/0x610
[ 299.034483][ T4656] ? gfs2_reconfigure+0xd30/0xd30
[ 299.039578][ T4656] gfs2_get_tree+0x4d/0x1e0
[ 299.044127][ T4656] vfs_get_tree+0x88/0x270
[ 299.048587][ T4656] do_new_mount+0x24a/0xa40
[ 299.053152][ T4656] __se_sys_mount+0x2e3/0x3d0
[ 299.057876][ T4656] ? __x64_sys_mount+0xc0/0xc0
[ 299.062684][ T4656] ? lockdep_hardirqs_on+0x94/0x140
[ 299.068012][ T4656] ? __x64_sys_mount+0x1c/0xc0
[ 299.072814][ T4656] do_syscall_64+0x4c/0xa0
[ 299.077276][ T4656] ? clear_bhb_loop+0x60/0xb0
[ 299.081991][ T4656] ? clear_bhb_loop+0x60/0xb0
[ 299.086892][ T4656] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 299.092918][ T4656] RIP: 0033:0x7f7d2799e04a
[ 299.097365][ 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
[ 299.116992][ T4656] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.125494][ T4656] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 299.133563][ T4656] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 299.141551][ T4656] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 299.149524][ T4656] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 299.157495][ T4656] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 299.165496][ T4656]
[ 299.178615][ T4656] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.195341][ T4656] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.555764][ T4657] loop1: detected capacity change from 0 to 32768
[ 299.570921][ T4657] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 299.578920][ T4657] CPU: 1 PID: 4657 Comm: syz.1.213 Not tainted syzkaller #0
[ 299.586263][ T4657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 299.596452][ T4657] Call Trace:
[ 299.599777][ T4657]
[ 299.602745][ T4657] dump_stack_lvl+0x188/0x24e
[ 299.607490][ T4657] ? show_regs_print_info+0x12/0x12
[ 299.612739][ T4657] ? load_image+0x400/0x400
[ 299.617393][ T4657] sysfs_create_dir_ns+0x26a/0x290
[ 299.622557][ T4657] ? sysfs_warn_dup+0xa0/0xa0
[ 299.627283][ T4657] ? do_raw_spin_unlock+0x11d/0x230
[ 299.632532][ T4657] kobject_add_internal+0x61c/0xcc0
[ 299.637964][ T4657] kobject_init_and_add+0x128/0x190
[ 299.643281][ T4657] ? lockdep_softirqs_off+0x430/0x430
[ 299.648691][ T4657] ? kobject_add+0x230/0x230
[ 299.653311][ T4657] ? __init_swait_queue_head+0xa5/0x150
[ 299.658942][ T4657] gfs2_sys_fs_add+0x24f/0x4b0
[ 299.663734][ T4657] ? gfs2_recover_set+0x240/0x240
[ 299.668810][ T4657] ? snprintf+0xe5/0x140
[ 299.673076][ T4657] ? vscnprintf+0x80/0x80
[ 299.677436][ T4657] gfs2_fill_super+0x128c/0x1fb0
[ 299.682497][ T4657] ? gfs2_reconfigure+0xd30/0xd30
[ 299.687637][ T4657] ? sb_set_blocksize+0xa5/0xe0
[ 299.692519][ T4657] get_tree_bdev+0x3f1/0x610
[ 299.697128][ T4657] ? gfs2_reconfigure+0xd30/0xd30
[ 299.702260][ T4657] gfs2_get_tree+0x4d/0x1e0
[ 299.706825][ T4657] vfs_get_tree+0x88/0x270
[ 299.711261][ T4657] do_new_mount+0x24a/0xa40
[ 299.715785][ T4657] __se_sys_mount+0x2e3/0x3d0
[ 299.720489][ T4657] ? __x64_sys_mount+0xc0/0xc0
[ 299.725271][ T4657] ? lockdep_hardirqs_on+0x94/0x140
[ 299.730662][ T4657] ? __x64_sys_mount+0x1c/0xc0
[ 299.735445][ T4657] do_syscall_64+0x4c/0xa0
[ 299.739892][ T4657] ? clear_bhb_loop+0x60/0xb0
[ 299.744584][ T4657] ? clear_bhb_loop+0x60/0xb0
[ 299.749279][ T4657] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 299.755627][ T4657] RIP: 0033:0x7f7d2799e04a
[ 299.760057][ 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
[ 299.779765][ T4657] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.788199][ T4657] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 299.796189][ T4657] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 299.804278][ T4657] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 299.812440][ T4657] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 299.820528][ T4657] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 299.828530][ T4657]
[ 299.846471][ T4657] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.859994][ T4657] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.206328][ T4658] loop1: detected capacity change from 0 to 32768
[ 300.228819][ T4658] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.245006][ T4658] CPU: 0 PID: 4658 Comm: syz.1.214 Not tainted syzkaller #0
[ 300.252374][ T4658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.262477][ T4658] Call Trace:
[ 300.265808][ T4658]
[ 300.268799][ T4658] dump_stack_lvl+0x188/0x24e
[ 300.273532][ T4658] ? show_regs_print_info+0x12/0x12
[ 300.278847][ T4658] ? load_image+0x400/0x400
[ 300.283429][ T4658] sysfs_create_dir_ns+0x26a/0x290
[ 300.288775][ T4658] ? sysfs_warn_dup+0xa0/0xa0
[ 300.293581][ T4658] ? do_raw_spin_unlock+0x11d/0x230
[ 300.298830][ T4658] kobject_add_internal+0x61c/0xcc0
[ 300.304082][ T4658] kobject_init_and_add+0x128/0x190
[ 300.309330][ T4658] ? lockdep_softirqs_off+0x430/0x430
[ 300.314765][ T4658] ? kobject_add+0x230/0x230
[ 300.319411][ T4658] ? __init_swait_queue_head+0xa5/0x150
[ 300.325098][ T4658] gfs2_sys_fs_add+0x24f/0x4b0
[ 300.329953][ T4658] ? gfs2_recover_set+0x240/0x240
[ 300.335115][ T4658] ? snprintf+0xe5/0x140
[ 300.339418][ T4658] ? vscnprintf+0x80/0x80
[ 300.343807][ T4658] gfs2_fill_super+0x128c/0x1fb0
[ 300.348807][ T4658] ? gfs2_reconfigure+0xd30/0xd30
[ 300.353905][ T4658] ? sb_set_blocksize+0xa5/0xe0
[ 300.358806][ T4658] get_tree_bdev+0x3f1/0x610
[ 300.363441][ T4658] ? gfs2_reconfigure+0xd30/0xd30
[ 300.368547][ T4658] gfs2_get_tree+0x4d/0x1e0
[ 300.373098][ T4658] vfs_get_tree+0x88/0x270
[ 300.377575][ T4658] do_new_mount+0x24a/0xa40
[ 300.382137][ T4658] __se_sys_mount+0x2e3/0x3d0
[ 300.386861][ T4658] ? __x64_sys_mount+0xc0/0xc0
[ 300.391636][ T4658] ? lockdep_hardirqs_on+0x94/0x140
[ 300.396837][ T4658] ? __x64_sys_mount+0x1c/0xc0
[ 300.401604][ T4658] do_syscall_64+0x4c/0xa0
[ 300.406025][ T4658] ? clear_bhb_loop+0x60/0xb0
[ 300.410711][ T4658] ? clear_bhb_loop+0x60/0xb0
[ 300.415429][ T4658] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 300.421331][ T4658] RIP: 0033:0x7f7d2799e04a
[ 300.425752][ 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
[ 300.445541][ T4658] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 300.453980][ T4658] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 300.461986][ T4658] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 300.469975][ T4658] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 300.477969][ T4658] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 300.486066][ T4658] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 300.494248][ T4658]
[ 300.501384][ T4658] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 300.515619][ T4658] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.902059][ T4659] loop1: detected capacity change from 0 to 32768
[ 300.919132][ T4659] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.926979][ T4659] CPU: 1 PID: 4659 Comm: syz.1.215 Not tainted syzkaller #0
[ 300.934412][ T4659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.944612][ T4659] Call Trace:
[ 300.947935][ T4659]
[ 300.951002][ T4659] dump_stack_lvl+0x188/0x24e
[ 300.955742][ T4659] ? show_regs_print_info+0x12/0x12
[ 300.960998][ T4659] ? load_image+0x400/0x400
[ 300.965571][ T4659] sysfs_create_dir_ns+0x26a/0x290
[ 300.970732][ T4659] ? sysfs_warn_dup+0xa0/0xa0
[ 300.975450][ T4659] ? do_raw_spin_unlock+0x11d/0x230
[ 300.981036][ T4659] kobject_add_internal+0x61c/0xcc0
[ 300.986285][ T4659] kobject_init_and_add+0x128/0x190
[ 300.991887][ T4659] ? lockdep_softirqs_off+0x430/0x430
[ 300.997396][ T4659] ? kobject_add+0x230/0x230
[ 301.002016][ T4659] ? __init_swait_queue_head+0xa5/0x150
[ 301.007609][ T4659] gfs2_sys_fs_add+0x24f/0x4b0
[ 301.012401][ T4659] ? gfs2_recover_set+0x240/0x240
[ 301.017472][ T4659] ? snprintf+0xe5/0x140
[ 301.021740][ T4659] ? vscnprintf+0x80/0x80
[ 301.026197][ T4659] gfs2_fill_super+0x128c/0x1fb0
[ 301.031172][ T4659] ? gfs2_reconfigure+0xd30/0xd30
[ 301.036261][ T4659] ? sb_set_blocksize+0xa5/0xe0
[ 301.041145][ T4659] get_tree_bdev+0x3f1/0x610
[ 301.045850][ T4659] ? gfs2_reconfigure+0xd30/0xd30
[ 301.050895][ T4659] gfs2_get_tree+0x4d/0x1e0
[ 301.055422][ T4659] vfs_get_tree+0x88/0x270
[ 301.059871][ T4659] do_new_mount+0x24a/0xa40
[ 301.064393][ T4659] __se_sys_mount+0x2e3/0x3d0
[ 301.069097][ T4659] ? __x64_sys_mount+0xc0/0xc0
[ 301.073965][ T4659] ? lockdep_hardirqs_on+0x94/0x140
[ 301.079177][ T4659] ? __x64_sys_mount+0x1c/0xc0
[ 301.083964][ T4659] do_syscall_64+0x4c/0xa0
[ 301.088404][ T4659] ? clear_bhb_loop+0x60/0xb0
[ 301.093364][ T4659] ? clear_bhb_loop+0x60/0xb0
[ 301.098063][ T4659] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 301.104082][ T4659] RIP: 0033:0x7f7d2799e04a
[ 301.108529][ 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
[ 301.128151][ T4659] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.136669][ T4659] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 301.144652][ T4659] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 301.152635][ T4659] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 301.160619][ T4659] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 301.168608][ T4659] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 301.176614][ T4659]
[ 301.186454][ T4659] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.203628][ T4659] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 301.547816][ T4660] loop1: detected capacity change from 0 to 32768
[ 301.565575][ T4660] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 301.573134][ T4660] CPU: 0 PID: 4660 Comm: syz.1.216 Not tainted syzkaller #0
[ 301.580593][ T4660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 301.590867][ T4660] Call Trace:
[ 301.594380][ T4660]
[ 301.597373][ T4660] dump_stack_lvl+0x188/0x24e
[ 301.602117][ T4660] ? show_regs_print_info+0x12/0x12
[ 301.607481][ T4660] ? load_image+0x400/0x400
[ 301.612059][ T4660] sysfs_create_dir_ns+0x26a/0x290
[ 301.617311][ T4660] ? sysfs_warn_dup+0xa0/0xa0
[ 301.622056][ T4660] ? do_raw_spin_unlock+0x11d/0x230
[ 301.627476][ T4660] kobject_add_internal+0x61c/0xcc0
[ 301.632704][ T4660] kobject_init_and_add+0x128/0x190
[ 301.637961][ T4660] ? lockdep_softirqs_off+0x430/0x430
[ 301.643383][ T4660] ? kobject_add+0x230/0x230
[ 301.648018][ T4660] ? __init_swait_queue_head+0xa5/0x150
[ 301.653937][ T4660] gfs2_sys_fs_add+0x24f/0x4b0
[ 301.658730][ T4660] ? gfs2_recover_set+0x240/0x240
[ 301.663783][ T4660] ? snprintf+0xe5/0x140
[ 301.668042][ T4660] ? vscnprintf+0x80/0x80
[ 301.672405][ T4660] gfs2_fill_super+0x128c/0x1fb0
[ 301.677370][ T4660] ? gfs2_reconfigure+0xd30/0xd30
[ 301.682422][ T4660] ? sb_set_blocksize+0xa5/0xe0
[ 301.687304][ T4660] get_tree_bdev+0x3f1/0x610
[ 301.691922][ T4660] ? gfs2_reconfigure+0xd30/0xd30
[ 301.696964][ T4660] gfs2_get_tree+0x4d/0x1e0
[ 301.701521][ T4660] vfs_get_tree+0x88/0x270
[ 301.705953][ T4660] do_new_mount+0x24a/0xa40
[ 301.710490][ T4660] __se_sys_mount+0x2e3/0x3d0
[ 301.715290][ T4660] ? __x64_sys_mount+0xc0/0xc0
[ 301.720207][ T4660] ? lockdep_hardirqs_on+0x94/0x140
[ 301.725512][ T4660] ? __x64_sys_mount+0x1c/0xc0
[ 301.730378][ T4660] do_syscall_64+0x4c/0xa0
[ 301.734934][ T4660] ? clear_bhb_loop+0x60/0xb0
[ 301.739630][ T4660] ? clear_bhb_loop+0x60/0xb0
[ 301.744328][ T4660] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 301.750252][ T4660] RIP: 0033:0x7f7d2799e04a
[ 301.754688][ 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
[ 301.774375][ T4660] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.782891][ T4660] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 301.790910][ T4660] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 301.798986][ T4660] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 301.806971][ T4660] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 301.814952][ T4660] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 301.822961][ T4660]
[ 301.846471][ T4660] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 301.862552][ T4660] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 302.206560][ T4661] loop1: detected capacity change from 0 to 32768
[ 302.223109][ T4661] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.230692][ T4661] CPU: 1 PID: 4661 Comm: syz.1.217 Not tainted syzkaller #0
[ 302.238026][ T4661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.248125][ T4661] Call Trace:
[ 302.251454][ T4661]
[ 302.254431][ T4661] dump_stack_lvl+0x188/0x24e
[ 302.259165][ T4661] ? show_regs_print_info+0x12/0x12
[ 302.264435][ T4661] ? load_image+0x400/0x400
[ 302.269001][ T4661] sysfs_create_dir_ns+0x26a/0x290
[ 302.274161][ T4661] ? sysfs_warn_dup+0xa0/0xa0
[ 302.278891][ T4661] ? do_raw_spin_unlock+0x11d/0x230
[ 302.284139][ T4661] kobject_add_internal+0x61c/0xcc0
[ 302.289475][ T4661] kobject_init_and_add+0x128/0x190
[ 302.294715][ T4661] ? lockdep_softirqs_off+0x430/0x430
[ 302.300113][ T4661] ? kobject_add+0x230/0x230
[ 302.304724][ T4661] ? __init_swait_queue_head+0xa5/0x150
[ 302.310315][ T4661] gfs2_sys_fs_add+0x24f/0x4b0
[ 302.315101][ T4661] ? gfs2_recover_set+0x240/0x240
[ 302.320146][ T4661] ? snprintf+0xe5/0x140
[ 302.324409][ T4661] ? vscnprintf+0x80/0x80
[ 302.328771][ T4661] gfs2_fill_super+0x128c/0x1fb0
[ 302.333733][ T4661] ? gfs2_reconfigure+0xd30/0xd30
[ 302.338779][ T4661] ? sb_set_blocksize+0xa5/0xe0
[ 302.343760][ T4661] get_tree_bdev+0x3f1/0x610
[ 302.348369][ T4661] ? gfs2_reconfigure+0xd30/0xd30
[ 302.353589][ T4661] gfs2_get_tree+0x4d/0x1e0
[ 302.358112][ T4661] vfs_get_tree+0x88/0x270
[ 302.362543][ T4661] do_new_mount+0x24a/0xa40
[ 302.367241][ T4661] __se_sys_mount+0x2e3/0x3d0
[ 302.371942][ T4661] ? __x64_sys_mount+0xc0/0xc0
[ 302.376724][ T4661] ? lockdep_hardirqs_on+0x94/0x140
[ 302.382025][ T4661] ? __x64_sys_mount+0x1c/0xc0
[ 302.386808][ T4661] do_syscall_64+0x4c/0xa0
[ 302.391244][ T4661] ? clear_bhb_loop+0x60/0xb0
[ 302.396115][ T4661] ? clear_bhb_loop+0x60/0xb0
[ 302.400813][ T4661] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 302.406726][ T4661] RIP: 0033:0x7f7d2799e04a
[ 302.411160][ 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
[ 302.430777][ T4661] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 302.439209][ T4661] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 302.447289][ T4661] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 302.455292][ T4661] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 302.463278][ T4661] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 302.471363][ T4661] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 302.479564][ T4661]
[ 302.486941][ T4661] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 302.517099][ T4661] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/26 03:59:39 executed programs: 203
[ 302.845113][ T4662] loop1: detected capacity change from 0 to 32768
[ 302.866915][ T4662] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 302.874615][ T4662] CPU: 0 PID: 4662 Comm: syz.1.218 Not tainted syzkaller #0
[ 302.881938][ T4662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 302.892039][ T4662] Call Trace:
[ 302.895373][ T4662]
[ 302.898344][ T4662] dump_stack_lvl+0x188/0x24e
[ 302.903534][ T4662] ? show_regs_print_info+0x12/0x12
[ 302.908885][ T4662] ? load_image+0x400/0x400
[ 302.913461][ T4662] sysfs_create_dir_ns+0x26a/0x290
[ 302.918650][ T4662] ? sysfs_warn_dup+0xa0/0xa0
[ 302.923376][ T4662] ? do_raw_spin_unlock+0x11d/0x230
[ 302.928624][ T4662] kobject_add_internal+0x61c/0xcc0
[ 302.934051][ T4662] kobject_init_and_add+0x128/0x190
[ 302.939388][ T4662] ? lockdep_softirqs_off+0x430/0x430
[ 302.944912][ T4662] ? kobject_add+0x230/0x230
[ 302.949566][ T4662] ? __init_swait_queue_head+0xa5/0x150
[ 302.955290][ T4662] gfs2_sys_fs_add+0x24f/0x4b0
[ 302.960118][ T4662] ? gfs2_recover_set+0x240/0x240
[ 302.965214][ T4662] ? snprintf+0xe5/0x140
[ 302.969542][ T4662] ? vscnprintf+0x80/0x80
[ 302.974028][ T4662] gfs2_fill_super+0x128c/0x1fb0
[ 302.979028][ T4662] ? gfs2_reconfigure+0xd30/0xd30
[ 302.984113][ T4662] ? sb_set_blocksize+0xa5/0xe0
[ 302.989089][ T4662] get_tree_bdev+0x3f1/0x610
[ 302.993730][ T4662] ? gfs2_reconfigure+0xd30/0xd30
[ 302.998893][ T4662] gfs2_get_tree+0x4d/0x1e0
[ 303.003545][ T4662] vfs_get_tree+0x88/0x270
[ 303.008187][ T4662] do_new_mount+0x24a/0xa40
[ 303.012753][ T4662] __se_sys_mount+0x2e3/0x3d0
[ 303.017489][ T4662] ? __x64_sys_mount+0xc0/0xc0
[ 303.022307][ T4662] ? lockdep_hardirqs_on+0x94/0x140
[ 303.027652][ T4662] ? __x64_sys_mount+0x1c/0xc0
[ 303.032496][ T4662] do_syscall_64+0x4c/0xa0
[ 303.036961][ T4662] ? clear_bhb_loop+0x60/0xb0
[ 303.041672][ T4662] ? clear_bhb_loop+0x60/0xb0
[ 303.046366][ T4662] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 303.052283][ T4662] RIP: 0033:0x7f7d2799e04a
[ 303.056704][ 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
[ 303.076580][ T4662] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.085104][ T4662] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 303.093079][ T4662] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 303.101072][ T4662] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 303.109061][ T4662] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 303.117052][ T4662] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 303.125045][ T4662]
[ 303.133811][ T4662] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.150520][ T4662] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 303.520607][ T4665] loop1: detected capacity change from 0 to 32768
[ 303.537805][ T4665] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 303.545358][ T4665] CPU: 1 PID: 4665 Comm: syz.1.219 Not tainted syzkaller #0
[ 303.552864][ T4665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 303.563060][ T4665] Call Trace:
[ 303.566383][ T4665]
[ 303.569351][ T4665] dump_stack_lvl+0x188/0x24e
[ 303.574085][ T4665] ? show_regs_print_info+0x12/0x12
[ 303.579343][ T4665] ? load_image+0x400/0x400
[ 303.583901][ T4665] sysfs_create_dir_ns+0x26a/0x290
[ 303.589100][ T4665] ? sysfs_warn_dup+0xa0/0xa0
[ 303.593844][ T4665] ? do_raw_spin_unlock+0x11d/0x230
[ 303.599275][ T4665] kobject_add_internal+0x61c/0xcc0
[ 303.604525][ T4665] kobject_init_and_add+0x128/0x190
[ 303.609839][ T4665] ? lockdep_softirqs_off+0x430/0x430
[ 303.615237][ T4665] ? kobject_add+0x230/0x230
[ 303.619864][ T4665] ? __init_swait_queue_head+0xa5/0x150
[ 303.625517][ T4665] gfs2_sys_fs_add+0x24f/0x4b0
[ 303.630315][ T4665] ? gfs2_recover_set+0x240/0x240
[ 303.635359][ T4665] ? snprintf+0xe5/0x140
[ 303.639624][ T4665] ? vscnprintf+0x80/0x80
[ 303.643977][ T4665] gfs2_fill_super+0x128c/0x1fb0
[ 303.649029][ T4665] ? gfs2_reconfigure+0xd30/0xd30
[ 303.654080][ T4665] ? sb_set_blocksize+0xa5/0xe0
[ 303.658965][ T4665] get_tree_bdev+0x3f1/0x610
[ 303.663590][ T4665] ? gfs2_reconfigure+0xd30/0xd30
[ 303.668632][ T4665] gfs2_get_tree+0x4d/0x1e0
[ 303.673166][ T4665] vfs_get_tree+0x88/0x270
[ 303.677707][ T4665] do_new_mount+0x24a/0xa40
[ 303.682249][ T4665] __se_sys_mount+0x2e3/0x3d0
[ 303.686952][ T4665] ? __x64_sys_mount+0xc0/0xc0
[ 303.691804][ T4665] ? lockdep_hardirqs_on+0x94/0x140
[ 303.697123][ T4665] ? __x64_sys_mount+0x1c/0xc0
[ 303.701905][ T4665] do_syscall_64+0x4c/0xa0
[ 303.706338][ T4665] ? clear_bhb_loop+0x60/0xb0
[ 303.711037][ T4665] ? clear_bhb_loop+0x60/0xb0
[ 303.715730][ T4665] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 303.721645][ T4665] RIP: 0033:0x7f7d2799e04a
[ 303.726098][ 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
[ 303.745819][ T4665] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 303.754256][ T4665] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 303.762246][ T4665] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 303.770368][ T4665] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 303.778358][ T4665] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 303.786535][ T4665] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 303.794619][ T4665]
[ 303.802819][ T4665] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 303.826613][ T4665] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 304.138379][ T4667] loop1: detected capacity change from 0 to 32768
[ 304.155774][ T4667] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 304.163867][ T4667] CPU: 0 PID: 4667 Comm: syz.1.220 Not tainted syzkaller #0
[ 304.171214][ T4667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.181400][ T4667] Call Trace:
[ 304.184728][ T4667]
[ 304.187696][ T4667] dump_stack_lvl+0x188/0x24e
[ 304.192445][ T4667] ? show_regs_print_info+0x12/0x12
[ 304.197702][ T4667] ? load_image+0x400/0x400
[ 304.202464][ T4667] sysfs_create_dir_ns+0x26a/0x290
[ 304.207723][ T4667] ? sysfs_warn_dup+0xa0/0xa0
[ 304.212579][ T4667] ? do_raw_spin_unlock+0x11d/0x230
[ 304.217872][ T4667] kobject_add_internal+0x61c/0xcc0
[ 304.223293][ T4667] kobject_init_and_add+0x128/0x190
[ 304.228534][ T4667] ? lockdep_softirqs_off+0x430/0x430
[ 304.233955][ T4667] ? kobject_add+0x230/0x230
[ 304.238594][ T4667] ? __init_swait_queue_head+0xa5/0x150
[ 304.244192][ T4667] gfs2_sys_fs_add+0x24f/0x4b0
[ 304.249014][ T4667] ? gfs2_recover_set+0x240/0x240
[ 304.254104][ T4667] ? snprintf+0xe5/0x140
[ 304.258493][ T4667] ? vscnprintf+0x80/0x80
[ 304.263072][ T4667] gfs2_fill_super+0x128c/0x1fb0
[ 304.268183][ T4667] ? gfs2_reconfigure+0xd30/0xd30
[ 304.273279][ T4667] ? sb_set_blocksize+0xa5/0xe0
[ 304.278190][ T4667] get_tree_bdev+0x3f1/0x610
[ 304.282836][ T4667] ? gfs2_reconfigure+0xd30/0xd30
[ 304.287998][ T4667] gfs2_get_tree+0x4d/0x1e0
[ 304.292631][ T4667] vfs_get_tree+0x88/0x270
[ 304.297095][ T4667] do_new_mount+0x24a/0xa40
[ 304.301646][ T4667] __se_sys_mount+0x2e3/0x3d0
[ 304.306390][ T4667] ? __x64_sys_mount+0xc0/0xc0
[ 304.311196][ T4667] ? lockdep_hardirqs_on+0x94/0x140
[ 304.316437][ T4667] ? __x64_sys_mount+0x1c/0xc0
[ 304.321245][ T4667] do_syscall_64+0x4c/0xa0
[ 304.325720][ T4667] ? clear_bhb_loop+0x60/0xb0
[ 304.330609][ T4667] ? clear_bhb_loop+0x60/0xb0
[ 304.335391][ T4667] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 304.341295][ T4667] RIP: 0033:0x7f7d2799e04a
[ 304.345748][ 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
[ 304.365600][ T4667] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 304.374030][ T4667] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 304.382639][ T4667] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 304.390630][ T4667] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 304.398704][ T4667] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 304.406804][ T4667] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 304.414797][ T4667]
[ 304.420734][ T4667] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 304.439087][ T4667] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 304.820570][ T4669] loop1: detected capacity change from 0 to 32768
[ 304.836998][ T4669] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 304.845546][ T4669] CPU: 1 PID: 4669 Comm: syz.1.221 Not tainted syzkaller #0
[ 304.852993][ T4669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 304.863170][ T4669] Call Trace:
[ 304.867141][ T4669]
[ 304.870142][ T4669] dump_stack_lvl+0x188/0x24e
[ 304.874898][ T4669] ? show_regs_print_info+0x12/0x12
[ 304.880181][ T4669] ? load_image+0x400/0x400
[ 304.884753][ T4669] sysfs_create_dir_ns+0x26a/0x290
[ 304.889939][ T4669] ? sysfs_warn_dup+0xa0/0xa0
[ 304.894681][ T4669] ? do_raw_spin_unlock+0x11d/0x230
[ 304.900103][ T4669] kobject_add_internal+0x61c/0xcc0
[ 304.905537][ T4669] kobject_init_and_add+0x128/0x190
[ 304.910798][ T4669] ? lockdep_softirqs_off+0x430/0x430
[ 304.916389][ T4669] ? kobject_add+0x230/0x230
[ 304.921234][ T4669] ? __init_swait_queue_head+0xa5/0x150
[ 304.926964][ T4669] gfs2_sys_fs_add+0x24f/0x4b0
[ 304.931880][ T4669] ? gfs2_recover_set+0x240/0x240
[ 304.937056][ T4669] ? snprintf+0xe5/0x140
[ 304.941498][ T4669] ? vscnprintf+0x80/0x80
[ 304.946354][ T4669] gfs2_fill_super+0x128c/0x1fb0
[ 304.951430][ T4669] ? gfs2_reconfigure+0xd30/0xd30
[ 304.956680][ T4669] ? sb_set_blocksize+0xa5/0xe0
[ 304.961554][ T4669] get_tree_bdev+0x3f1/0x610
[ 304.966253][ T4669] ? gfs2_reconfigure+0xd30/0xd30
[ 304.971314][ T4669] gfs2_get_tree+0x4d/0x1e0
[ 304.975847][ T4669] vfs_get_tree+0x88/0x270
[ 304.980380][ T4669] do_new_mount+0x24a/0xa40
[ 304.984924][ T4669] __se_sys_mount+0x2e3/0x3d0
[ 304.989712][ T4669] ? __x64_sys_mount+0xc0/0xc0
[ 304.994506][ T4669] ? lockdep_hardirqs_on+0x94/0x140
[ 304.999721][ T4669] ? __x64_sys_mount+0x1c/0xc0
[ 305.004599][ T4669] do_syscall_64+0x4c/0xa0
[ 305.009047][ T4669] ? clear_bhb_loop+0x60/0xb0
[ 305.013757][ T4669] ? clear_bhb_loop+0x60/0xb0
[ 305.018499][ T4669] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 305.024413][ T4669] RIP: 0033:0x7f7d2799e04a
[ 305.028850][ 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
[ 305.048496][ T4669] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 305.056930][ T4669] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 305.065005][ T4669] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 305.072992][ T4669] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 305.081062][ T4669] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 305.089138][ T4669] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 305.097161][ T4669]
[ 305.101968][ T28] INFO: task kworker/1:4:4327 blocked for more than 143 seconds.
[ 305.116327][ T4669] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 305.118380][ T28] Not tainted syzkaller #0
[ 305.135898][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 305.146292][ T4669] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 305.147284][ T28] task:kworker/1:4 state:D stack:24720 pid:4327 ppid:2 flags:0x00004000
[ 305.163802][ T28] Workqueue: gfs_recovery gfs2_recover_func
[ 305.171965][ T28] Call Trace:
[ 305.175445][ T28]
[ 305.180022][ T28] __schedule+0x11d1/0x40e0
[ 305.184640][ T28] ? schedule_preempt_disabled+0x20/0x20
[ 305.191861][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 305.199950][ T28] ? __sched_text_start+0x8/0x8
[ 305.205215][ T28] ? lock_chain_count+0x20/0x20
[ 305.213172][ T28] schedule+0xb9/0x180
[ 305.223381][ T28] io_schedule+0x7c/0xd0
[ 305.230148][ T28] folio_wait_bit_common+0x70a/0xfa0
[ 305.235525][ T28] ? folio_wait_bit+0x30/0x30
[ 305.241965][ T28] ? migration_entry_wait_on_locked+0xe90/0xe90
[ 305.250082][ T28] ? __submit_bio+0x1a7/0x290
[ 305.254844][ T28] gfs2_jhead_process_page+0x17a/0x800
[ 305.262050][ T28] ? should_fail_request+0x70/0x70
[ 305.268799][ T28] ? gfs2_end_log_read+0x780/0x780
[ 305.274087][ T28] gfs2_find_jhead+0xba2/0xd00
[ 305.280583][ T28] gfs2_recover_func+0x6d2/0x1ca0
[ 305.285801][ T28] ? __get_log_header+0x4f0/0x4f0
[ 305.292386][ T28] ? __lock_acquire+0x13cf/0x7d10
[ 305.299152][ T28] ? verify_lock_unused+0x140/0x140
[ 305.304811][ T28] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 305.312644][ T28] ? _raw_spin_unlock+0x40/0x40
[ 305.321087][ T28] ? _raw_spin_unlock_irq+0x1f/0x40
[ 305.328188][ T28] ? process_one_work+0x7b0/0x1160
[ 305.333635][ T28] process_one_work+0x8a2/0x1160
[ 305.339218][ T28] ? worker_detach_from_pool+0x240/0x240
[ 305.344930][ T28] ? _raw_spin_lock_irq+0xb7/0xf0
[ 305.350453][ T28] ? _raw_spin_lock_irqsave+0x100/0x100
[ 305.356137][ T28] ? kthread_data+0x4b/0xc0
[ 305.361264][ T28] worker_thread+0xaa2/0x1270
[ 305.366095][ T28] kthread+0x29d/0x330
[ 305.371753][ T28] ? worker_clr_flags+0x1a0/0x1a0
[ 305.377152][ T28] ? kthread_blkcg+0xd0/0xd0
[ 305.381882][ T28] ret_from_fork+0x1f/0x30
[ 305.387881][ T28]
[ 305.391040][ T28] INFO: task syz.0.17:4434 blocked for more than 143 seconds.
[ 305.399518][ T28] Not tainted syzkaller #0
[ 305.404940][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 305.415143][ T28] task:syz.0.17 state:D stack:24624 pid:4434 ppid:4383 flags:0x00004004
[ 305.425891][ T28] Call Trace:
[ 305.432164][ T28]
[ 305.435262][ T28] __schedule+0x11d1/0x40e0
[ 305.440212][ T28] ? preempt_schedule+0xbc/0xd0
[ 305.445214][ T28] ? lock_chain_count+0x20/0x20
[ 305.450619][ T28] ? __sched_text_start+0x8/0x8
[ 305.455960][ T28] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 305.466598][ T28] ? _raw_spin_unlock+0x40/0x40
[ 305.471555][ T28] schedule+0xb9/0x180
[ 305.475781][ T28] bit_wait+0xd/0xc0
[ 305.480214][ T28] __wait_on_bit+0xa8/0x2d0
[ 305.484816][ T28] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 305.491346][ T28] out_of_line_wait_on_bit+0x138/0x190
[ 305.497201][ T28] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 305.503407][ T28] ? __wait_on_bit+0x2d0/0x2d0
[ 305.509042][ T28] ? bit_waitqueue+0x30/0x30
[ 305.513721][ T28] ? do_raw_spin_unlock+0x11d/0x230
[ 305.520533][ T28] gfs2_recover_journal+0xd6/0x130
[ 305.525728][ T28] init_journal+0x17fc/0x23e0
[ 305.532664][ T28] ? init_inodes+0xdb/0x320
[ 305.538527][ T28] ? _compound_head+0x120/0x120
[ 305.543555][ T28] ? snprintf+0xe5/0x140
[ 305.548343][ T28] ? init_inodes+0xdb/0x320
[ 305.552901][ T28] ? vscnprintf+0x80/0x80
[ 305.557654][ T28] ? gfs2_glock_nq_num+0x17f/0x1c0
[ 305.562913][ T28] init_inodes+0xdb/0x320
[ 305.567730][ T28] gfs2_fill_super+0x1749/0x1fb0
[ 305.572739][ T28] ? gfs2_reconfigure+0xd30/0xd30
[ 305.578204][ T28] ? init_locking+0xb8/0x200
[ 305.582860][ T28] ? sb_set_blocksize+0xa5/0xe0
[ 305.588089][ T28] get_tree_bdev+0x3f1/0x610
[ 305.592733][ T28] ? gfs2_reconfigure+0xd30/0xd30
[ 305.598161][ T28] gfs2_get_tree+0x4d/0x1e0
[ 305.602784][ T28] vfs_get_tree+0x88/0x270
[ 305.607792][ T28] do_new_mount+0x24a/0xa40
[ 305.612379][ T28] __se_sys_mount+0x2e3/0x3d0
[ 305.618868][ T28] ? __x64_sys_mount+0xc0/0xc0
[ 305.623874][ T28] ? lockdep_hardirqs_on+0x94/0x140
[ 305.629515][ T28] ? __x64_sys_mount+0x1c/0xc0
[ 305.634880][ T28] do_syscall_64+0x4c/0xa0
[ 305.640895][ T28] ? clear_bhb_loop+0x60/0xb0
[ 305.645622][ T28] ? clear_bhb_loop+0x60/0xb0
[ 305.651732][ T4671] loop1: detected capacity change from 0 to 32768
[ 305.653604][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 305.664608][ T28] RIP: 0033:0x7f5fa099e04a
[ 305.674369][ T4671] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 305.676322][ T28] RSP: 002b:00007ffd4e521828 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 305.682799][ T4671] CPU: 1 PID: 4671 Comm: syz.1.222 Not tainted syzkaller #0
[ 305.692238][ T28] RAX: ffffffffffffffda RBX: 00007ffd4e5218b0 RCX: 00007f5fa099e04a
[ 305.697667][ T4671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 305.697684][ T4671] Call Trace:
[ 305.697693][ T4671]
[ 305.697702][ T4671] dump_stack_lvl+0x188/0x24e
[ 305.705975][ T28] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffd4e521870
[ 305.716106][ T4671] ? show_regs_print_info+0x12/0x12
[ 305.720188][ T28] RBP: 0000200000037f40 R08: 00007ffd4e5218b0 R09: 0000000001010084
[ 305.722472][ T4671] ? load_image+0x400/0x400
[ 305.727365][ T28] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 305.735121][ T4671] sysfs_create_dir_ns+0x26a/0x290
[ 305.741358][ T28] R13: 00007ffd4e521870 R14: 0000000000037f45 R15: 0000200000000480
[ 305.748283][ T4671] ? sysfs_warn_dup+0xa0/0xa0
[ 305.748318][ T4671] ? do_raw_spin_unlock+0x11d/0x230
[ 305.753221][ T28]
[ 305.760821][ T4671] kobject_add_internal+0x61c/0xcc0
[ 305.760860][ T4671] kobject_init_and_add+0x128/0x190
[ 305.766944][ T28]
[ 305.766944][ T28] Showing all locks held in the system:
[ 305.773941][ T4671] ? lockdep_softirqs_off+0x430/0x430
[ 305.779051][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 305.783817][ T4671] ? kobject_add+0x230/0x230
[ 305.788412][ T28] #0:
[ 305.792028][ T4671] ? __init_swait_queue_head+0xa5/0x150
[ 305.797489][ T28] ffffffff8cb2df70
[ 305.804935][ T4671] gfs2_sys_fs_add+0x24f/0x4b0
[ 305.810641][ T28] (
[ 305.815846][ T4671] ? gfs2_recover_set+0x240/0x240
[ 305.820759][ T28] rcu_tasks.tasks_gp_mutex
[ 305.823279][ T4671] ? snprintf+0xe5/0x140
[ 305.829193][ T28] ){+.+.}-{3:3}
[ 305.832598][ T4671] ? vscnprintf+0x80/0x80
[ 305.845900][ T28] , at: rcu_tasks_one_gp+0x33/0xf00
[ 305.849661][ T4671] gfs2_fill_super+0x128c/0x1fb0
[ 305.849704][ T4671] ? gfs2_reconfigure+0xd30/0xd30
[ 305.858140][ T28] 1 lock held by rcu_tasks_trace/13:
[ 305.861955][ T4671] ? sb_set_blocksize+0xa5/0xe0
[ 305.876941][ T28] #0:
[ 305.877148][ T4671] get_tree_bdev+0x3f1/0x610
[ 305.882431][ T28] ffffffff8cb2e790
[ 305.887366][ T4671] ? gfs2_reconfigure+0xd30/0xd30
[ 305.887394][ T4671] gfs2_get_tree+0x4d/0x1e0
[ 305.887420][ T4671] vfs_get_tree+0x88/0x270
[ 305.887445][ T4671] do_new_mount+0x24a/0xa40
[ 305.887475][ T4671] __se_sys_mount+0x2e3/0x3d0
[ 305.916253][ T28] (
[ 305.917196][ T4671] ? __x64_sys_mount+0xc0/0xc0
[ 305.922074][ T28] rcu_tasks_trace.tasks_gp_mutex
[ 305.924593][ T4671] ? lockdep_hardirqs_on+0x94/0x140
[ 305.929803][ T28] ){+.+.}-{3:3}
[ 305.934267][ T4671] ? __x64_sys_mount+0x1c/0xc0
[ 305.948150][ T4671] do_syscall_64+0x4c/0xa0
[ 305.952624][ T4671] ? clear_bhb_loop+0x60/0xb0
[ 305.956245][ T28] , at: rcu_tasks_one_gp+0x33/0xf00
[ 305.957324][ T4671] ? clear_bhb_loop+0x60/0xb0
[ 305.962529][ T28] 1 lock held by khungtaskd/28:
[ 305.967195][ T4671] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 305.967223][ T4671] RIP: 0033:0x7f7d2799e04a
[ 305.967244][ 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
[ 305.986455][ T28] #0:
[ 306.002271][ T4671] RSP: 002b:00007ffe9224b228 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 306.002303][ T4671] RAX: ffffffffffffffda RBX: 00007ffe9224b2b0 RCX: 00007f7d2799e04a
[ 306.002320][ T4671] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007ffe9224b270
[ 306.002335][ T4671] RBP: 0000200000037f40 R08: 00007ffe9224b2b0 R09: 0000000001010084
[ 306.007218][ T28] ffffffff8cb2d5e0
[ 306.013713][ T4671] R10: 0000000001010084 R11: 0000000000000246 R12: 00002000000008c0
[ 306.022206][ T28] (
[ 306.029853][ T4671] R13: 00007ffe9224b270 R14: 0000000000037f45 R15: 0000200000000480
[ 306.029888][ T4671]
[ 306.034094][ T4671] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 306.052604][ T28] rcu_read_lock
[ 306.063035][ T4671] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 306.065426][ T28] ){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 306.094230][ T28] 2 locks held by getty/4024:
[ 306.098988][ T28] #0: ffff88814d886098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 306.108883][ T28] #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x429/0x1390
[ 306.119198][ T28] 2 locks held by kworker/1:4/4327:
[ 306.124420][ T28] #0: ffff888147ae3538 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 306.135420][ T28] #1: ffffc90003fb7d00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 306.148031][ T28] 2 locks held by kworker/1:9/4332:
[ 306.153576][ T28] #0: ffff888017472138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 306.164107][ T28] #1: ffffc90004007d00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7b0/0x1160
[ 306.178023][ T28] 1 lock held by syz.0.17/4434:
[ 306.182938][ T28] #0: ffff888078f080e0 (&type->s_umount_key#52/1){+.+.}-{3:3}, at: alloc_super+0x1fa/0x930
[ 306.193226][ T28] 2 locks held by dhcpcd/4672:
[ 306.198238][ T28] #0: ffff888073bd0e10 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: sock_close+0x90/0x240
[ 306.208758][ T28] #1: ffffffff8cb332b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2ec/0x890
[ 306.220768][ T28]
[ 306.223160][ T28] =============================================
[ 306.223160][ T28]
[ 306.233830][ T28] NMI backtrace for cpu 0
[ 306.238226][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 306.245550][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.255613][ T28] Call Trace:
[ 306.258912][ T28]
[ 306.261871][ T28] dump_stack_lvl+0x188/0x24e
[ 306.266603][ T28] ? irq_work_queue+0xb8/0x140
[ 306.271432][ T28] ? show_regs_print_info+0x12/0x12
[ 306.276707][ T28] ? load_image+0x400/0x400
[ 306.281245][ T28] ? vprintk_emit+0x59f/0x6a0
[ 306.285968][ T28] ? printk_sprint+0x460/0x460
[ 306.290795][ T28] nmi_cpu_backtrace+0x3e6/0x460
[ 306.295877][ T28] ? nmi_trigger_cpumask_backtrace+0x450/0x450
[ 306.302342][ T28] ? _printk+0xda/0x130
[ 306.306655][ T28] ? load_image+0x400/0x400
[ 306.311316][ T28] ? load_image+0x400/0x400
[ 306.315969][ T28] ? nmi_trigger_cpumask_backtrace+0xf3/0x450
[ 306.322110][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 306.328226][ T28] nmi_trigger_cpumask_backtrace+0x1d4/0x450
[ 306.334346][ T28] watchdog+0xeee/0xf30
[ 306.338642][ T28] ? watchdog+0x1ed/0xf30
[ 306.343025][ T28] kthread+0x29d/0x330
[ 306.347139][ T28] ? hungtask_pm_notify+0x40/0x40
[ 306.352221][ T28] ? kthread_blkcg+0xd0/0xd0
[ 306.357292][ T28] ret_from_fork+0x1f/0x30
[ 306.361778][ T28]
[ 306.365369][ T28] Sending NMI from CPU 0 to CPUs 1:
[ 306.370789][ C1] NMI backtrace for cpu 1
[ 306.370800][ C1] CPU: 1 PID: 4671 Comm: syz.1.222 Not tainted syzkaller #0
[ 306.370817][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.370836][ C1] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x7a/0x80
[ 306.370862][ C1] Code: c1 e1 05 4c 8d 51 28 4d 39 ca 77 1e 49 ff c0 4c 89 02 48 c7 44 0a 08 07 00 00 00 48 89 7c 0a 10 48 89 74 0a 18 48 89 44 0a 20 0f 1f 44 00 00 48 8b 4e 08 48 83 c1 f8 48 c1 c1 3d 48 83 f9 08
[ 306.370875][ C1] RSP: 0018:ffffc9000510f8b8 EFLAGS: 00000093
[ 306.370890][ C1] RAX: ffffffff81b155c4 RBX: ffffea00015298c8 RCX: ffff88802c91d940
[ 306.370902][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 306.370912][ C1] RBP: ffffc9000510fa00 R08: ffffea0001620f47 R09: 1ffffd40002c41e8
[ 306.370923][ C1] R10: dffffc0000000000 R11: fffff940002c41e9 R12: 0000000000000070
[ 306.370934][ C1] R13: ffff88801d262000 R14: ffffea0001591000 R15: dffffc0000000000
[ 306.370946][ C1] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 306.370959][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 306.370971][ C1] CR2: 0000001b31f63fff CR3: 000000000c88e000 CR4: 00000000003506e0
[ 306.370987][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 306.370997][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 306.371007][ C1] Call Trace:
[ 306.371012][ C1]
[ 306.371018][ C1] release_pages+0x1b4/0x2220
[ 306.371044][ C1] ? lru_cache_disable+0x30/0x30
[ 306.371065][ C1] ? free_swap_cache+0x15e/0x590
[ 306.371086][ C1] tlb_flush_mmu+0x105/0x220
[ 306.371109][ C1] tlb_finish_mmu+0xf5/0x220
[ 306.371130][ C1] exit_mmap+0x384/0x960
[ 306.371150][ C1] ? vm_brk+0x20/0x20
[ 306.371167][ C1] ? __mutex_unlock_slowpath+0x1b0/0x6c0
[ 306.371193][ C1] ? exit_mm+0x1ee/0x2d0
[ 306.371217][ C1] ? uprobe_clear_state+0x274/0x290
[ 306.371237][ C1] ? mm_update_next_owner+0x525/0x650
[ 306.371259][ C1] __mmput+0x118/0x3c0
[ 306.371275][ C1] exit_mm+0x1fe/0x2d0
[ 306.371295][ C1] ? do_exit+0x2480/0x2480
[ 306.371314][ C1] ? taskstats_exit+0x35a/0x9d0
[ 306.371337][ C1] do_exit+0x905/0x2480
[ 306.371361][ C1] ? put_task_struct+0x80/0x80
[ 306.371380][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 306.371401][ C1] ? lock_chain_count+0x20/0x20
[ 306.371419][ C1] ? _raw_spin_lock_irq+0xb7/0xf0
[ 306.371435][ C1] ? _raw_spin_lock_irqsave+0x100/0x100
[ 306.371451][ C1] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 306.371472][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 306.371488][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 306.371506][ C1] do_group_exit+0x217/0x2d0
[ 306.371528][ C1] __x64_sys_exit_group+0x3b/0x40
[ 306.371548][ C1] do_syscall_64+0x4c/0xa0
[ 306.371567][ C1] ? clear_bhb_loop+0x60/0xb0
[ 306.371585][ C1] ? clear_bhb_loop+0x60/0xb0
[ 306.371603][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 306.371620][ C1] RIP: 0033:0x7f7d2799cdd9
[ 306.371632][ C1] Code: Unable to access opcode bytes at 0x7f7d2799cdaf.
[ 306.371639][ C1] RSP: 002b:00007ffe9224b698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 306.371655][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d2799cdd9
[ 306.371665][ C1] RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
[ 306.371675][ C1] RBP: 00007ffe9224b6fc R08: 0000000000000000 R09: 00000000000927c0
[ 306.371692][ C1] R10: 0000000000000001 R11: 0000000000000246 R12: 00000000000000cc
[ 306.371702][ C1] R13: 00000000000927c0 R14: 000000000004a7d6 R15: 00007ffe9224b750
[ 306.371719][ C1]
[ 306.375719][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 306.375733][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
[ 306.375752][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 306.375763][ T28] Call Trace:
[ 306.375769][ T28]
[ 306.375777][ T28] dump_stack_lvl+0x188/0x24e
[ 306.375809][ T28] ? memcpy+0x3c/0x60
[ 306.375828][ T28] ? show_regs_print_info+0x12/0x12
[ 306.375854][ T28] ? load_image+0x400/0x400
[ 306.375886][ T28] panic+0x2e5/0x730
[ 306.375905][ T28] ? schedule_preempt_disabled+0x20/0x20
[ 306.375934][ T28] ? bpf_jit_dump+0xd0/0xd0
[ 306.375958][ T28] ? nmi_trigger_cpumask_backtrace+0x35b/0x450
[ 306.375986][ T28] ? nmi_trigger_cpumask_backtrace+0x360/0x450
[ 306.376015][ T28] watchdog+0xf2d/0xf30
[ 306.376040][ T28] ? watchdog+0x1ed/0xf30
[ 306.376065][ T28] kthread+0x29d/0x330
[ 306.376083][ T28] ? hungtask_pm_notify+0x40/0x40
[ 306.376103][ T28] ? kthread_blkcg+0xd0/0xd0
[ 306.376121][ T28] ret_from_fork+0x1f/0x30
[ 306.376156][ T28]
[ 306.377153][ T28] Kernel Offset: disabled
[ 306.835153][ T28] Rebooting in 86400 seconds..