swait_queue_head+0xa5/0x150
[ 221.556462][ T5422] gfs2_sys_fs_add+0x234/0x480
[ 221.561243][ T5422] ? gfs2_recover_set+0x240/0x240
[ 221.566290][ T5422] ? snprintf+0xd7/0x120
[ 221.570516][ T5422] ? __free_pages+0x95/0x1a0
[ 221.575102][ T5422] ? vscnprintf+0x80/0x80
[ 221.579539][ T5422] gfs2_fill_super+0x128d/0x1f50
[ 221.584480][ T5422] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.589493][ T5422] ? preempt_count_add+0x8d/0x190
[ 221.594507][ T5422] ? sb_set_blocksize+0xa5/0xe0
[ 221.599338][ T5422] get_tree_bdev+0x3f1/0x610
[ 221.603905][ T5422] ? gfs2_reconfigure+0xcd0/0xcd0
[ 221.608907][ T5422] gfs2_get_tree+0x4d/0x1e0
[ 221.613388][ T5422] vfs_get_tree+0x88/0x270
[ 221.617780][ T5422] do_new_mount+0x24a/0xa40
[ 221.622263][ T5422] __se_sys_mount+0x2d6/0x3c0
[ 221.626922][ T5422] ? __x64_sys_mount+0xc0/0xc0
[ 221.631664][ T5422] ? lockdep_hardirqs_on+0x94/0x140
[ 221.636852][ T5422] ? __x64_sys_mount+0x1c/0xc0
[ 221.641807][ T5422] do_syscall_64+0x4c/0xa0
[ 221.646216][ T5422] ? clear_bhb_loop+0x30/0x80
[ 221.650882][ T5422] ? clear_bhb_loop+0x30/0x80
[ 221.655539][ T5422] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.661410][ T5422] RIP: 0033:0x7f08c743138a
[ 221.665803][ T5422] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 221.685408][ T5422] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.693812][ T5422] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 221.701881][ T5422] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 221.709831][ T5422] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 221.717781][ T5422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.725741][ T5422] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.733730][ T5422]
[ 221.738924][ T5422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.752403][ T5422] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.075427][ T5424] loop1: detected capacity change from 0 to 32768
[ 222.136936][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.144583][ T5424] CPU: 0 PID: 5424 Comm: syz.1.171 Not tainted syzkaller #0
[ 222.151906][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 222.161991][ T5424] Call Trace:
[ 222.165298][ T5424]
[ 222.168252][ T5424] dump_stack_lvl+0x168/0x230
[ 222.173030][ T5424] ? show_regs_print_info+0x20/0x20
[ 222.178355][ T5424] ? load_image+0x3b0/0x3b0
[ 222.182928][ T5424] sysfs_create_dir_ns+0x252/0x280
[ 222.188074][ T5424] ? __lock_acquire+0x7c60/0x7c60
[ 222.193223][ T5424] ? sysfs_warn_dup+0xa0/0xa0
[ 222.197934][ T5424] ? do_raw_spin_unlock+0x11d/0x230
[ 222.203162][ T5424] kobject_add_internal+0x662/0xd00
[ 222.208398][ T5424] kobject_init_and_add+0x122/0x190
[ 222.213624][ T5424] ? lockdep_softirqs_off+0x420/0x420
[ 222.219139][ T5424] ? kobject_add+0x210/0x210
[ 222.223763][ T5424] ? __init_swait_queue_head+0xa5/0x150
[ 222.229338][ T5424] gfs2_sys_fs_add+0x234/0x480
[ 222.234128][ T5424] ? gfs2_recover_set+0x240/0x240
[ 222.239135][ T5424] ? snprintf+0xd7/0x120
[ 222.243356][ T5424] ? __free_pages+0x95/0x1a0
[ 222.248045][ T5424] ? vscnprintf+0x80/0x80
[ 222.252358][ T5424] gfs2_fill_super+0x128d/0x1f50
[ 222.257378][ T5424] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.262487][ T5424] ? preempt_count_add+0x8d/0x190
[ 222.267607][ T5424] ? sb_set_blocksize+0xa5/0xe0
[ 222.272458][ T5424] get_tree_bdev+0x3f1/0x610
[ 222.277029][ T5424] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.282048][ T5424] gfs2_get_tree+0x4d/0x1e0
[ 222.286562][ T5424] vfs_get_tree+0x88/0x270
[ 222.290999][ T5424] do_new_mount+0x24a/0xa40
[ 222.295489][ T5424] __se_sys_mount+0x2d6/0x3c0
[ 222.300155][ T5424] ? __x64_sys_mount+0xc0/0xc0
[ 222.304920][ T5424] ? lockdep_hardirqs_on+0x94/0x140
[ 222.310138][ T5424] ? __x64_sys_mount+0x1c/0xc0
[ 222.314903][ T5424] do_syscall_64+0x4c/0xa0
[ 222.319338][ T5424] ? clear_bhb_loop+0x30/0x80
[ 222.324005][ T5424] ? clear_bhb_loop+0x30/0x80
[ 222.328687][ T5424] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.334688][ T5424] RIP: 0033:0x7f08c743138a
[ 222.339093][ T5424] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 222.358833][ T5424] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.367243][ T5424] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 222.375205][ T5424] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 222.383340][ T5424] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 222.391297][ T5424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.399522][ T5424] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.407491][ T5424]
[ 222.411827][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.425040][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.733494][ T5426] loop1: detected capacity change from 0 to 32768
[ 222.835638][ T5426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.843062][ T5426] CPU: 0 PID: 5426 Comm: syz.1.172 Not tainted syzkaller #0
[ 222.850376][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 222.860470][ T5426] Call Trace:
[ 222.863778][ T5426]
[ 222.866832][ T5426] dump_stack_lvl+0x168/0x230
[ 222.871563][ T5426] ? show_regs_print_info+0x20/0x20
[ 222.876855][ T5426] ? load_image+0x3b0/0x3b0
[ 222.881406][ T5426] sysfs_create_dir_ns+0x252/0x280
[ 222.886559][ T5426] ? __lock_acquire+0x7c60/0x7c60
[ 222.891788][ T5426] ? sysfs_warn_dup+0xa0/0xa0
[ 222.896501][ T5426] ? do_raw_spin_unlock+0x11d/0x230
[ 222.901729][ T5426] kobject_add_internal+0x662/0xd00
[ 222.907063][ T5426] kobject_init_and_add+0x122/0x190
[ 222.912297][ T5426] ? lockdep_softirqs_off+0x420/0x420
[ 222.917800][ T5426] ? kobject_add+0x210/0x210
[ 222.922468][ T5426] ? __init_swait_queue_head+0xa5/0x150
[ 222.928091][ T5426] gfs2_sys_fs_add+0x234/0x480
[ 222.932874][ T5426] ? gfs2_recover_set+0x240/0x240
[ 222.937921][ T5426] ? snprintf+0xd7/0x120
[ 222.942213][ T5426] ? __free_pages+0x95/0x1a0
[ 222.946848][ T5426] ? vscnprintf+0x80/0x80
[ 222.951172][ T5426] gfs2_fill_super+0x128d/0x1f50
[ 222.956098][ T5426] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.961106][ T5426] ? preempt_count_add+0x8d/0x190
[ 222.966202][ T5426] ? sb_set_blocksize+0xa5/0xe0
[ 222.971134][ T5426] get_tree_bdev+0x3f1/0x610
[ 222.975741][ T5426] ? gfs2_reconfigure+0xcd0/0xcd0
[ 222.981019][ T5426] gfs2_get_tree+0x4d/0x1e0
[ 222.985520][ T5426] vfs_get_tree+0x88/0x270
[ 222.990029][ T5426] do_new_mount+0x24a/0xa40
[ 222.994628][ T5426] __se_sys_mount+0x2d6/0x3c0
[ 222.999397][ T5426] ? __x64_sys_mount+0xc0/0xc0
[ 223.004150][ T5426] ? lockdep_hardirqs_on+0x94/0x140
[ 223.009350][ T5426] ? __x64_sys_mount+0x1c/0xc0
[ 223.014233][ T5426] do_syscall_64+0x4c/0xa0
[ 223.018645][ T5426] ? clear_bhb_loop+0x30/0x80
[ 223.023301][ T5426] ? clear_bhb_loop+0x30/0x80
[ 223.027973][ T5426] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.034239][ T5426] RIP: 0033:0x7f08c743138a
[ 223.038666][ T5426] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 223.058284][ T5426] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.066683][ T5426] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 223.074633][ T5426] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 223.082583][ T5426] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 223.090544][ T5426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.098859][ T5426] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.106902][ T5426]
[ 223.111039][ T5426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.124815][ T5426] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.438618][ T5428] loop1: detected capacity change from 0 to 32768
[ 223.504356][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.511792][ T5428] CPU: 0 PID: 5428 Comm: syz.1.173 Not tainted syzkaller #0
[ 223.519110][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 223.529196][ T5428] Call Trace:
[ 223.532501][ T5428]
[ 223.535465][ T5428] dump_stack_lvl+0x168/0x230
[ 223.540274][ T5428] ? show_regs_print_info+0x20/0x20
[ 223.545504][ T5428] ? load_image+0x3b0/0x3b0
[ 223.550051][ T5428] sysfs_create_dir_ns+0x252/0x280
[ 223.555204][ T5428] ? __lock_acquire+0x7c60/0x7c60
[ 223.560433][ T5428] ? sysfs_warn_dup+0xa0/0xa0
[ 223.565158][ T5428] ? do_raw_spin_unlock+0x11d/0x230
[ 223.570477][ T5428] kobject_add_internal+0x662/0xd00
[ 223.575711][ T5428] kobject_init_and_add+0x122/0x190
[ 223.580933][ T5428] ? lockdep_softirqs_off+0x420/0x420
[ 223.586324][ T5428] ? kobject_add+0x210/0x210
[ 223.590900][ T5428] ? __init_swait_queue_head+0xa5/0x150
[ 223.596435][ T5428] gfs2_sys_fs_add+0x234/0x480
[ 223.601283][ T5428] ? gfs2_recover_set+0x240/0x240
[ 223.606302][ T5428] ? snprintf+0xd7/0x120
[ 223.610543][ T5428] ? __free_pages+0x95/0x1a0
[ 223.615134][ T5428] ? vscnprintf+0x80/0x80
[ 223.619486][ T5428] gfs2_fill_super+0x128d/0x1f50
[ 223.624422][ T5428] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.629430][ T5428] ? preempt_count_add+0x8d/0x190
[ 223.634459][ T5428] ? sb_set_blocksize+0xa5/0xe0
[ 223.639324][ T5428] get_tree_bdev+0x3f1/0x610
[ 223.643896][ T5428] ? gfs2_reconfigure+0xcd0/0xcd0
[ 223.648924][ T5428] gfs2_get_tree+0x4d/0x1e0
[ 223.653409][ T5428] vfs_get_tree+0x88/0x270
[ 223.657902][ T5428] do_new_mount+0x24a/0xa40
[ 223.662388][ T5428] __se_sys_mount+0x2d6/0x3c0
[ 223.667044][ T5428] ? __x64_sys_mount+0xc0/0xc0
[ 223.671784][ T5428] ? lockdep_hardirqs_on+0x94/0x140
[ 223.676960][ T5428] ? __x64_sys_mount+0x1c/0xc0
[ 223.681710][ T5428] do_syscall_64+0x4c/0xa0
[ 223.686115][ T5428] ? clear_bhb_loop+0x30/0x80
[ 223.690767][ T5428] ? clear_bhb_loop+0x30/0x80
[ 223.695427][ T5428] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.701314][ T5428] RIP: 0033:0x7f08c743138a
[ 223.705722][ T5428] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 223.725323][ T5428] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.733889][ T5428] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 223.741856][ T5428] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 223.749814][ T5428] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 223.757854][ T5428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.765892][ T5428] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.773972][ T5428]
[ 223.778877][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.792183][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.122219][ T5430] loop1: detected capacity change from 0 to 32768
[ 224.169905][ T5430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.177552][ T5430] CPU: 1 PID: 5430 Comm: syz.1.174 Not tainted syzkaller #0
[ 224.184869][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 224.194954][ T5430] Call Trace:
[ 224.198265][ T5430]
[ 224.201220][ T5430] dump_stack_lvl+0x168/0x230
[ 224.205944][ T5430] ? show_regs_print_info+0x20/0x20
[ 224.211175][ T5430] ? load_image+0x3b0/0x3b0
[ 224.215716][ T5430] sysfs_create_dir_ns+0x252/0x280
[ 224.220851][ T5430] ? __lock_acquire+0x7c60/0x7c60
[ 224.225906][ T5430] ? sysfs_warn_dup+0xa0/0xa0
[ 224.230636][ T5430] ? do_raw_spin_unlock+0x11d/0x230
[ 224.235864][ T5430] kobject_add_internal+0x662/0xd00
[ 224.241099][ T5430] kobject_init_and_add+0x122/0x190
[ 224.246315][ T5430] ? lockdep_softirqs_off+0x420/0x420
[ 224.251722][ T5430] ? kobject_add+0x210/0x210
[ 224.256346][ T5430] ? __init_swait_queue_head+0xa5/0x150
[ 224.261922][ T5430] gfs2_sys_fs_add+0x234/0x480
[ 224.266711][ T5430] ? gfs2_recover_set+0x240/0x240
[ 224.271736][ T5430] ? snprintf+0xd7/0x120
[ 224.275975][ T5430] ? __free_pages+0x95/0x1a0
[ 224.280545][ T5430] ? vscnprintf+0x80/0x80
[ 224.284879][ T5430] gfs2_fill_super+0x128d/0x1f50
[ 224.289847][ T5430] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.294851][ T5430] ? preempt_count_add+0x8d/0x190
[ 224.299970][ T5430] ? sb_set_blocksize+0xa5/0xe0
[ 224.304815][ T5430] get_tree_bdev+0x3f1/0x610
[ 224.309416][ T5430] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.314435][ T5430] gfs2_get_tree+0x4d/0x1e0
[ 224.318924][ T5430] vfs_get_tree+0x88/0x270
[ 224.323330][ T5430] do_new_mount+0x24a/0xa40
[ 224.327814][ T5430] __se_sys_mount+0x2d6/0x3c0
[ 224.332469][ T5430] ? __x64_sys_mount+0xc0/0xc0
[ 224.337209][ T5430] ? lockdep_hardirqs_on+0x94/0x140
[ 224.342411][ T5430] ? __x64_sys_mount+0x1c/0xc0
[ 224.347238][ T5430] do_syscall_64+0x4c/0xa0
[ 224.351649][ T5430] ? clear_bhb_loop+0x30/0x80
[ 224.356322][ T5430] ? clear_bhb_loop+0x30/0x80
[ 224.360981][ T5430] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.366852][ T5430] RIP: 0033:0x7f08c743138a
[ 224.371247][ T5430] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 224.390838][ T5430] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.399247][ T5430] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 224.407198][ T5430] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 224.415150][ T5430] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 224.423100][ T5430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.431158][ T5430] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.439115][ T5430]
[ 224.443371][ T5430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.456859][ T5430] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.779086][ T5432] loop1: detected capacity change from 0 to 32768
[ 224.823402][ T5432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.831025][ T5432] CPU: 1 PID: 5432 Comm: syz.1.175 Not tainted syzkaller #0
[ 224.838350][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 224.848430][ T5432] Call Trace:
[ 224.851743][ T5432]
[ 224.854695][ T5432] dump_stack_lvl+0x168/0x230
[ 224.859410][ T5432] ? show_regs_print_info+0x20/0x20
[ 224.864643][ T5432] ? load_image+0x3b0/0x3b0
[ 224.869285][ T5432] sysfs_create_dir_ns+0x252/0x280
[ 224.874429][ T5432] ? __lock_acquire+0x7c60/0x7c60
[ 224.879489][ T5432] ? sysfs_warn_dup+0xa0/0xa0
[ 224.884198][ T5432] ? do_raw_spin_unlock+0x11d/0x230
[ 224.889435][ T5432] kobject_add_internal+0x662/0xd00
[ 224.894671][ T5432] kobject_init_and_add+0x122/0x190
[ 224.900008][ T5432] ? lockdep_softirqs_off+0x420/0x420
[ 224.905418][ T5432] ? kobject_add+0x210/0x210
[ 224.910129][ T5432] ? __init_swait_queue_head+0xa5/0x150
[ 224.915682][ T5432] gfs2_sys_fs_add+0x234/0x480
[ 224.920534][ T5432] ? gfs2_recover_set+0x240/0x240
[ 224.925667][ T5432] ? snprintf+0xd7/0x120
[ 224.929930][ T5432] ? __free_pages+0x95/0x1a0
[ 224.934514][ T5432] ? vscnprintf+0x80/0x80
[ 224.938867][ T5432] gfs2_fill_super+0x128d/0x1f50
[ 224.943795][ T5432] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.948888][ T5432] ? preempt_count_add+0x8d/0x190
[ 224.953900][ T5432] ? sb_set_blocksize+0xa5/0xe0
[ 224.958731][ T5432] get_tree_bdev+0x3f1/0x610
[ 224.963301][ T5432] ? gfs2_reconfigure+0xcd0/0xcd0
[ 224.968309][ T5432] gfs2_get_tree+0x4d/0x1e0
[ 224.972792][ T5432] vfs_get_tree+0x88/0x270
[ 224.977192][ T5432] do_new_mount+0x24a/0xa40
[ 224.981763][ T5432] __se_sys_mount+0x2d6/0x3c0
[ 224.986421][ T5432] ? __x64_sys_mount+0xc0/0xc0
[ 224.991176][ T5432] ? lockdep_hardirqs_on+0x94/0x140
[ 224.996355][ T5432] ? __x64_sys_mount+0x1c/0xc0
[ 225.001099][ T5432] do_syscall_64+0x4c/0xa0
[ 225.005515][ T5432] ? clear_bhb_loop+0x30/0x80
[ 225.010164][ T5432] ? clear_bhb_loop+0x30/0x80
[ 225.014918][ T5432] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.020789][ T5432] RIP: 0033:0x7f08c743138a
[ 225.025188][ T5432] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 225.044818][ T5432] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.053220][ T5432] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 225.061173][ T5432] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 225.069166][ T5432] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 225.077153][ T5432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.085120][ T5432] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.093106][ T5432]
[ 225.104099][ T5432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.117356][ T5432] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.442177][ T5434] loop1: detected capacity change from 0 to 32768
[ 225.485820][ T5434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.493262][ T5434] CPU: 1 PID: 5434 Comm: syz.1.176 Not tainted syzkaller #0
[ 225.500603][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 225.510697][ T5434] Call Trace:
[ 225.514012][ T5434]
[ 225.516963][ T5434] dump_stack_lvl+0x168/0x230
[ 225.521672][ T5434] ? show_regs_print_info+0x20/0x20
[ 225.526912][ T5434] ? load_image+0x3b0/0x3b0
[ 225.531470][ T5434] sysfs_create_dir_ns+0x252/0x280
[ 225.536616][ T5434] ? __lock_acquire+0x7c60/0x7c60
[ 225.541684][ T5434] ? sysfs_warn_dup+0xa0/0xa0
[ 225.546406][ T5434] ? do_raw_spin_unlock+0x11d/0x230
[ 225.551641][ T5434] kobject_add_internal+0x662/0xd00
[ 225.556962][ T5434] kobject_init_and_add+0x122/0x190
[ 225.562184][ T5434] ? lockdep_softirqs_off+0x420/0x420
[ 225.567678][ T5434] ? kobject_add+0x210/0x210
[ 225.572350][ T5434] ? __init_swait_queue_head+0xa5/0x150
[ 225.577881][ T5434] gfs2_sys_fs_add+0x234/0x480
[ 225.582650][ T5434] ? gfs2_recover_set+0x240/0x240
[ 225.587670][ T5434] ? snprintf+0xd7/0x120
[ 225.591893][ T5434] ? __free_pages+0x95/0x1a0
[ 225.596476][ T5434] ? vscnprintf+0x80/0x80
[ 225.600822][ T5434] gfs2_fill_super+0x128d/0x1f50
[ 225.605744][ T5434] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.610744][ T5434] ? preempt_count_add+0x8d/0x190
[ 225.615827][ T5434] ? sb_set_blocksize+0xa5/0xe0
[ 225.620667][ T5434] get_tree_bdev+0x3f1/0x610
[ 225.625242][ T5434] ? gfs2_reconfigure+0xcd0/0xcd0
[ 225.630277][ T5434] gfs2_get_tree+0x4d/0x1e0
[ 225.634791][ T5434] vfs_get_tree+0x88/0x270
[ 225.639228][ T5434] do_new_mount+0x24a/0xa40
[ 225.643718][ T5434] __se_sys_mount+0x2d6/0x3c0
[ 225.648391][ T5434] ? __x64_sys_mount+0xc0/0xc0
[ 225.653151][ T5434] ? lockdep_hardirqs_on+0x94/0x140
[ 225.658340][ T5434] ? __x64_sys_mount+0x1c/0xc0
[ 225.663092][ T5434] do_syscall_64+0x4c/0xa0
[ 225.667489][ T5434] ? clear_bhb_loop+0x30/0x80
[ 225.672145][ T5434] ? clear_bhb_loop+0x30/0x80
[ 225.676804][ T5434] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.682676][ T5434] RIP: 0033:0x7f08c743138a
[ 225.687248][ T5434] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 225.706856][ T5434] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.715343][ T5434] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 225.723389][ T5434] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 225.731338][ T5434] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 225.739306][ T5434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.747398][ T5434] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.755384][ T5434]
[ 225.760028][ T5434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.773263][ T5434] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.073252][ T5436] loop1: detected capacity change from 0 to 32768
[ 226.136067][ T5436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.143523][ T5436] CPU: 1 PID: 5436 Comm: syz.1.177 Not tainted syzkaller #0
[ 226.150801][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 226.160852][ T5436] Call Trace:
[ 226.164114][ T5436]
[ 226.167038][ T5436] dump_stack_lvl+0x168/0x230
[ 226.171708][ T5436] ? show_regs_print_info+0x20/0x20
[ 226.176891][ T5436] ? load_image+0x3b0/0x3b0
[ 226.181817][ T5436] sysfs_create_dir_ns+0x252/0x280
[ 226.186921][ T5436] ? __lock_acquire+0x7c60/0x7c60
[ 226.191925][ T5436] ? sysfs_warn_dup+0xa0/0xa0
[ 226.196611][ T5436] ? do_raw_spin_unlock+0x11d/0x230
[ 226.201800][ T5436] kobject_add_internal+0x662/0xd00
[ 226.206978][ T5436] kobject_init_and_add+0x122/0x190
[ 226.212167][ T5436] ? lockdep_softirqs_off+0x420/0x420
[ 226.217523][ T5436] ? kobject_add+0x210/0x210
[ 226.222185][ T5436] ? __init_swait_queue_head+0xa5/0x150
[ 226.227739][ T5436] gfs2_sys_fs_add+0x234/0x480
[ 226.232577][ T5436] ? gfs2_recover_set+0x240/0x240
[ 226.237575][ T5436] ? snprintf+0xd7/0x120
[ 226.241830][ T5436] ? __free_pages+0x95/0x1a0
[ 226.246398][ T5436] ? vscnprintf+0x80/0x80
[ 226.250708][ T5436] gfs2_fill_super+0x128d/0x1f50
[ 226.255631][ T5436] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.260640][ T5436] ? preempt_count_add+0x8d/0x190
[ 226.265647][ T5436] ? sb_set_blocksize+0xa5/0xe0
[ 226.270496][ T5436] get_tree_bdev+0x3f1/0x610
[ 226.275217][ T5436] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.280226][ T5436] gfs2_get_tree+0x4d/0x1e0
[ 226.284806][ T5436] vfs_get_tree+0x88/0x270
[ 226.289201][ T5436] do_new_mount+0x24a/0xa40
[ 226.293690][ T5436] __se_sys_mount+0x2d6/0x3c0
[ 226.298349][ T5436] ? __x64_sys_mount+0xc0/0xc0
[ 226.303095][ T5436] ? lockdep_hardirqs_on+0x94/0x140
[ 226.308268][ T5436] ? __x64_sys_mount+0x1c/0xc0
[ 226.313033][ T5436] do_syscall_64+0x4c/0xa0
[ 226.317443][ T5436] ? clear_bhb_loop+0x30/0x80
[ 226.322117][ T5436] ? clear_bhb_loop+0x30/0x80
[ 226.326775][ T5436] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.332646][ T5436] RIP: 0033:0x7f08c743138a
[ 226.337046][ T5436] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 226.356827][ T5436] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.365226][ T5436] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 226.373195][ T5436] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 226.381144][ T5436] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 226.389095][ T5436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.397139][ T5436] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.405127][ T5436]
[ 226.418278][ T5436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.431589][ T5436] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:18:45 executed programs: 163
[ 226.644126][ T4245] Bluetooth: hci0: command 0x0406 tx timeout
[ 226.679291][ T5438] loop1: detected capacity change from 0 to 32768
[ 226.729292][ T5438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.737534][ T5438] CPU: 0 PID: 5438 Comm: syz.1.178 Not tainted syzkaller #0
[ 226.744855][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 226.755035][ T5438] Call Trace:
[ 226.758353][ T5438]
[ 226.761312][ T5438] dump_stack_lvl+0x168/0x230
[ 226.766025][ T5438] ? show_regs_print_info+0x20/0x20
[ 226.771262][ T5438] ? load_image+0x3b0/0x3b0
[ 226.775894][ T5438] sysfs_create_dir_ns+0x252/0x280
[ 226.781039][ T5438] ? __lock_acquire+0x7c60/0x7c60
[ 226.786198][ T5438] ? sysfs_warn_dup+0xa0/0xa0
[ 226.791193][ T5438] ? do_raw_spin_unlock+0x11d/0x230
[ 226.796432][ T5438] kobject_add_internal+0x662/0xd00
[ 226.801670][ T5438] kobject_init_and_add+0x122/0x190
[ 226.806983][ T5438] ? lockdep_softirqs_off+0x420/0x420
[ 226.812508][ T5438] ? kobject_add+0x210/0x210
[ 226.817129][ T5438] ? __init_swait_queue_head+0xa5/0x150
[ 226.822753][ T5438] gfs2_sys_fs_add+0x234/0x480
[ 226.827511][ T5438] ? gfs2_recover_set+0x240/0x240
[ 226.832691][ T5438] ? snprintf+0xd7/0x120
[ 226.836911][ T5438] ? __free_pages+0x95/0x1a0
[ 226.841481][ T5438] ? vscnprintf+0x80/0x80
[ 226.845819][ T5438] gfs2_fill_super+0x128d/0x1f50
[ 226.850834][ T5438] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.855844][ T5438] ? preempt_count_add+0x8d/0x190
[ 226.860850][ T5438] ? sb_set_blocksize+0xa5/0xe0
[ 226.865679][ T5438] get_tree_bdev+0x3f1/0x610
[ 226.870251][ T5438] ? gfs2_reconfigure+0xcd0/0xcd0
[ 226.875254][ T5438] gfs2_get_tree+0x4d/0x1e0
[ 226.879780][ T5438] vfs_get_tree+0x88/0x270
[ 226.884199][ T5438] do_new_mount+0x24a/0xa40
[ 226.888699][ T5438] __se_sys_mount+0x2d6/0x3c0
[ 226.893454][ T5438] ? __x64_sys_mount+0xc0/0xc0
[ 226.898219][ T5438] ? lockdep_hardirqs_on+0x94/0x140
[ 226.903433][ T5438] ? __x64_sys_mount+0x1c/0xc0
[ 226.908177][ T5438] do_syscall_64+0x4c/0xa0
[ 226.912578][ T5438] ? clear_bhb_loop+0x30/0x80
[ 226.917345][ T5438] ? clear_bhb_loop+0x30/0x80
[ 226.922012][ T5438] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.927902][ T5438] RIP: 0033:0x7f08c743138a
[ 226.932313][ T5438] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 226.952037][ T5438] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.960441][ T5438] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 226.968407][ T5438] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 226.976380][ T5438] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 226.984346][ T5438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.992311][ T5438] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.000277][ T5438]
[ 227.005330][ T5438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.018667][ T5438] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.328250][ T5440] loop1: detected capacity change from 0 to 32768
[ 227.384264][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.391698][ T5440] CPU: 0 PID: 5440 Comm: syz.1.179 Not tainted syzkaller #0
[ 227.399012][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 227.409274][ T5440] Call Trace:
[ 227.412668][ T5440]
[ 227.415625][ T5440] dump_stack_lvl+0x168/0x230
[ 227.420340][ T5440] ? show_regs_print_info+0x20/0x20
[ 227.425571][ T5440] ? load_image+0x3b0/0x3b0
[ 227.430113][ T5440] sysfs_create_dir_ns+0x252/0x280
[ 227.435249][ T5440] ? __lock_acquire+0x7c60/0x7c60
[ 227.440447][ T5440] ? sysfs_warn_dup+0xa0/0xa0
[ 227.445423][ T5440] ? do_raw_spin_unlock+0x11d/0x230
[ 227.450822][ T5440] kobject_add_internal+0x662/0xd00
[ 227.456101][ T5440] kobject_init_and_add+0x122/0x190
[ 227.461536][ T5440] ? lockdep_softirqs_off+0x420/0x420
[ 227.466940][ T5440] ? kobject_add+0x210/0x210
[ 227.471562][ T5440] ? __init_swait_queue_head+0xa5/0x150
[ 227.477141][ T5440] gfs2_sys_fs_add+0x234/0x480
[ 227.481935][ T5440] ? gfs2_recover_set+0x240/0x240
[ 227.486985][ T5440] ? snprintf+0xd7/0x120
[ 227.491246][ T5440] ? __free_pages+0x95/0x1a0
[ 227.496121][ T5440] ? vscnprintf+0x80/0x80
[ 227.500456][ T5440] gfs2_fill_super+0x128d/0x1f50
[ 227.505417][ T5440] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.510468][ T5440] ? preempt_count_add+0x8d/0x190
[ 227.515479][ T5440] ? sb_set_blocksize+0xa5/0xe0
[ 227.520327][ T5440] get_tree_bdev+0x3f1/0x610
[ 227.524914][ T5440] ? gfs2_reconfigure+0xcd0/0xcd0
[ 227.529955][ T5440] gfs2_get_tree+0x4d/0x1e0
[ 227.534457][ T5440] vfs_get_tree+0x88/0x270
[ 227.538862][ T5440] do_new_mount+0x24a/0xa40
[ 227.543359][ T5440] __se_sys_mount+0x2d6/0x3c0
[ 227.548027][ T5440] ? __x64_sys_mount+0xc0/0xc0
[ 227.552810][ T5440] ? lockdep_hardirqs_on+0x94/0x140
[ 227.558005][ T5440] ? __x64_sys_mount+0x1c/0xc0
[ 227.562748][ T5440] do_syscall_64+0x4c/0xa0
[ 227.567155][ T5440] ? clear_bhb_loop+0x30/0x80
[ 227.571828][ T5440] ? clear_bhb_loop+0x30/0x80
[ 227.576492][ T5440] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.582376][ T5440] RIP: 0033:0x7f08c743138a
[ 227.586781][ T5440] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 227.606376][ T5440] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.614798][ T5440] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 227.622860][ T5440] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 227.630820][ T5440] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 227.638797][ T5440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.646790][ T5440] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.654755][ T5440]
[ 227.658903][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.672827][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.976702][ T5442] loop1: detected capacity change from 0 to 32768
[ 228.031784][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.039775][ T5442] CPU: 0 PID: 5442 Comm: syz.1.180 Not tainted syzkaller #0
[ 228.047103][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 228.057188][ T5442] Call Trace:
[ 228.060493][ T5442]
[ 228.063451][ T5442] dump_stack_lvl+0x168/0x230
[ 228.068177][ T5442] ? show_regs_print_info+0x20/0x20
[ 228.073406][ T5442] ? load_image+0x3b0/0x3b0
[ 228.077945][ T5442] sysfs_create_dir_ns+0x252/0x280
[ 228.083087][ T5442] ? __lock_acquire+0x7c60/0x7c60
[ 228.088158][ T5442] ? sysfs_warn_dup+0xa0/0xa0
[ 228.092875][ T5442] ? do_raw_spin_unlock+0x11d/0x230
[ 228.098098][ T5442] kobject_add_internal+0x662/0xd00
[ 228.103419][ T5442] kobject_init_and_add+0x122/0x190
[ 228.108639][ T5442] ? lockdep_softirqs_off+0x420/0x420
[ 228.114039][ T5442] ? kobject_add+0x210/0x210
[ 228.118929][ T5442] ? __init_swait_queue_head+0xa5/0x150
[ 228.124506][ T5442] gfs2_sys_fs_add+0x234/0x480
[ 228.129289][ T5442] ? gfs2_recover_set+0x240/0x240
[ 228.134307][ T5442] ? snprintf+0xd7/0x120
[ 228.138558][ T5442] ? __free_pages+0x95/0x1a0
[ 228.143224][ T5442] ? vscnprintf+0x80/0x80
[ 228.147539][ T5442] gfs2_fill_super+0x128d/0x1f50
[ 228.152461][ T5442] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.157471][ T5442] ? preempt_count_add+0x8d/0x190
[ 228.162504][ T5442] ? sb_set_blocksize+0xa5/0xe0
[ 228.167334][ T5442] get_tree_bdev+0x3f1/0x610
[ 228.172105][ T5442] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.177128][ T5442] gfs2_get_tree+0x4d/0x1e0
[ 228.181915][ T5442] vfs_get_tree+0x88/0x270
[ 228.186341][ T5442] do_new_mount+0x24a/0xa40
[ 228.190837][ T5442] __se_sys_mount+0x2d6/0x3c0
[ 228.195514][ T5442] ? __x64_sys_mount+0xc0/0xc0
[ 228.200303][ T5442] ? lockdep_hardirqs_on+0x94/0x140
[ 228.205510][ T5442] ? __x64_sys_mount+0x1c/0xc0
[ 228.210256][ T5442] do_syscall_64+0x4c/0xa0
[ 228.214661][ T5442] ? clear_bhb_loop+0x30/0x80
[ 228.219352][ T5442] ? clear_bhb_loop+0x30/0x80
[ 228.224027][ T5442] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.230034][ T5442] RIP: 0033:0x7f08c743138a
[ 228.234449][ T5442] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 228.254061][ T5442] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.262617][ T5442] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 228.270579][ T5442] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 228.278534][ T5442] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 228.286519][ T5442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.294494][ T5442] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.302497][ T5442]
[ 228.306769][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.319939][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.639731][ T5444] loop1: detected capacity change from 0 to 32768
[ 228.664178][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.671705][ T5444] CPU: 1 PID: 5444 Comm: syz.1.181 Not tainted syzkaller #0
[ 228.679016][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 228.689206][ T5444] Call Trace:
[ 228.692616][ T5444]
[ 228.695566][ T5444] dump_stack_lvl+0x168/0x230
[ 228.700306][ T5444] ? show_regs_print_info+0x20/0x20
[ 228.705512][ T5444] ? load_image+0x3b0/0x3b0
[ 228.710117][ T5444] sysfs_create_dir_ns+0x252/0x280
[ 228.715232][ T5444] ? __lock_acquire+0x7c60/0x7c60
[ 228.720242][ T5444] ? sysfs_warn_dup+0xa0/0xa0
[ 228.724918][ T5444] ? do_raw_spin_unlock+0x11d/0x230
[ 228.730220][ T5444] kobject_add_internal+0x662/0xd00
[ 228.735673][ T5444] kobject_init_and_add+0x122/0x190
[ 228.741044][ T5444] ? lockdep_softirqs_off+0x420/0x420
[ 228.746505][ T5444] ? kobject_add+0x210/0x210
[ 228.751084][ T5444] ? __init_swait_queue_head+0xa5/0x150
[ 228.756628][ T5444] gfs2_sys_fs_add+0x234/0x480
[ 228.761402][ T5444] ? gfs2_recover_set+0x240/0x240
[ 228.766406][ T5444] ? snprintf+0xd7/0x120
[ 228.770636][ T5444] ? __free_pages+0x95/0x1a0
[ 228.775250][ T5444] ? vscnprintf+0x80/0x80
[ 228.779597][ T5444] gfs2_fill_super+0x128d/0x1f50
[ 228.784520][ T5444] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.789527][ T5444] ? preempt_count_add+0x8d/0x190
[ 228.794648][ T5444] ? sb_set_blocksize+0xa5/0xe0
[ 228.799501][ T5444] get_tree_bdev+0x3f1/0x610
[ 228.804092][ T5444] ? gfs2_reconfigure+0xcd0/0xcd0
[ 228.809117][ T5444] gfs2_get_tree+0x4d/0x1e0
[ 228.813604][ T5444] vfs_get_tree+0x88/0x270
[ 228.818004][ T5444] do_new_mount+0x24a/0xa40
[ 228.822499][ T5444] __se_sys_mount+0x2d6/0x3c0
[ 228.827173][ T5444] ? __x64_sys_mount+0xc0/0xc0
[ 228.831929][ T5444] ? lockdep_hardirqs_on+0x94/0x140
[ 228.837120][ T5444] ? __x64_sys_mount+0x1c/0xc0
[ 228.841875][ T5444] do_syscall_64+0x4c/0xa0
[ 228.846286][ T5444] ? clear_bhb_loop+0x30/0x80
[ 228.850941][ T5444] ? clear_bhb_loop+0x30/0x80
[ 228.855704][ T5444] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.861582][ T5444] RIP: 0033:0x7f08c743138a
[ 228.866089][ T5444] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 228.885692][ T5444] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.894111][ T5444] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 228.902089][ T5444] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 228.910152][ T5444] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 228.918124][ T5444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.926198][ T5444] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.934196][ T5444]
[ 228.939335][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.952639][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.289786][ T5446] loop1: detected capacity change from 0 to 32768
[ 229.359156][ T5446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.370786][ T5446] CPU: 0 PID: 5446 Comm: syz.1.182 Not tainted syzkaller #0
[ 229.378130][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 229.388213][ T5446] Call Trace:
[ 229.391516][ T5446]
[ 229.394471][ T5446] dump_stack_lvl+0x168/0x230
[ 229.399191][ T5446] ? show_regs_print_info+0x20/0x20
[ 229.404422][ T5446] ? load_image+0x3b0/0x3b0
[ 229.408963][ T5446] sysfs_create_dir_ns+0x252/0x280
[ 229.414288][ T5446] ? __lock_acquire+0x7c60/0x7c60
[ 229.419345][ T5446] ? sysfs_warn_dup+0xa0/0xa0
[ 229.424052][ T5446] ? do_raw_spin_unlock+0x11d/0x230
[ 229.429280][ T5446] kobject_add_internal+0x662/0xd00
[ 229.434510][ T5446] kobject_init_and_add+0x122/0x190
[ 229.439883][ T5446] ? lockdep_softirqs_off+0x420/0x420
[ 229.445301][ T5446] ? kobject_add+0x210/0x210
[ 229.449936][ T5446] ? __init_swait_queue_head+0xa5/0x150
[ 229.455517][ T5446] gfs2_sys_fs_add+0x234/0x480
[ 229.460285][ T5446] ? gfs2_recover_set+0x240/0x240
[ 229.465321][ T5446] ? snprintf+0xd7/0x120
[ 229.469572][ T5446] ? __free_pages+0x95/0x1a0
[ 229.474150][ T5446] ? vscnprintf+0x80/0x80
[ 229.478480][ T5446] gfs2_fill_super+0x128d/0x1f50
[ 229.483407][ T5446] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.488427][ T5446] ? preempt_count_add+0x8d/0x190
[ 229.493453][ T5446] ? sb_set_blocksize+0xa5/0xe0
[ 229.498292][ T5446] get_tree_bdev+0x3f1/0x610
[ 229.502881][ T5446] ? gfs2_reconfigure+0xcd0/0xcd0
[ 229.507907][ T5446] gfs2_get_tree+0x4d/0x1e0
[ 229.512419][ T5446] vfs_get_tree+0x88/0x270
[ 229.516830][ T5446] do_new_mount+0x24a/0xa40
[ 229.521347][ T5446] __se_sys_mount+0x2d6/0x3c0
[ 229.526068][ T5446] ? __x64_sys_mount+0xc0/0xc0
[ 229.530865][ T5446] ? lockdep_hardirqs_on+0x94/0x140
[ 229.536078][ T5446] ? __x64_sys_mount+0x1c/0xc0
[ 229.540856][ T5446] do_syscall_64+0x4c/0xa0
[ 229.545374][ T5446] ? clear_bhb_loop+0x30/0x80
[ 229.550046][ T5446] ? clear_bhb_loop+0x30/0x80
[ 229.554712][ T5446] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.560589][ T5446] RIP: 0033:0x7f08c743138a
[ 229.564992][ T5446] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 229.584579][ T5446] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.592974][ T5446] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 229.600923][ T5446] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 229.608900][ T5446] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 229.616855][ T5446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.624811][ T5446] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.632780][ T5446]
[ 229.637111][ T5446] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.650395][ T5446] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.982795][ T5448] loop1: detected capacity change from 0 to 32768
[ 230.035862][ T5448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.043293][ T5448] CPU: 1 PID: 5448 Comm: syz.1.183 Not tainted syzkaller #0
[ 230.050618][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 230.060783][ T5448] Call Trace:
[ 230.064093][ T5448]
[ 230.067047][ T5448] dump_stack_lvl+0x168/0x230
[ 230.071822][ T5448] ? show_regs_print_info+0x20/0x20
[ 230.077160][ T5448] ? load_image+0x3b0/0x3b0
[ 230.081712][ T5448] sysfs_create_dir_ns+0x252/0x280
[ 230.086852][ T5448] ? __lock_acquire+0x7c60/0x7c60
[ 230.091922][ T5448] ? sysfs_warn_dup+0xa0/0xa0
[ 230.096631][ T5448] ? do_raw_spin_unlock+0x11d/0x230
[ 230.101927][ T5448] kobject_add_internal+0x662/0xd00
[ 230.107157][ T5448] kobject_init_and_add+0x122/0x190
[ 230.112380][ T5448] ? lockdep_softirqs_off+0x420/0x420
[ 230.117779][ T5448] ? kobject_add+0x210/0x210
[ 230.122368][ T5448] ? __init_swait_queue_head+0xa5/0x150
[ 230.127901][ T5448] gfs2_sys_fs_add+0x234/0x480
[ 230.132655][ T5448] ? gfs2_recover_set+0x240/0x240
[ 230.137662][ T5448] ? snprintf+0xd7/0x120
[ 230.141885][ T5448] ? __free_pages+0x95/0x1a0
[ 230.146454][ T5448] ? vscnprintf+0x80/0x80
[ 230.150787][ T5448] gfs2_fill_super+0x128d/0x1f50
[ 230.155720][ T5448] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.160723][ T5448] ? preempt_count_add+0x8d/0x190
[ 230.165787][ T5448] ? sb_set_blocksize+0xa5/0xe0
[ 230.170621][ T5448] get_tree_bdev+0x3f1/0x610
[ 230.175198][ T5448] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.180287][ T5448] gfs2_get_tree+0x4d/0x1e0
[ 230.184781][ T5448] vfs_get_tree+0x88/0x270
[ 230.189183][ T5448] do_new_mount+0x24a/0xa40
[ 230.193873][ T5448] __se_sys_mount+0x2d6/0x3c0
[ 230.198551][ T5448] ? __x64_sys_mount+0xc0/0xc0
[ 230.203296][ T5448] ? lockdep_hardirqs_on+0x94/0x140
[ 230.208672][ T5448] ? __x64_sys_mount+0x1c/0xc0
[ 230.213414][ T5448] do_syscall_64+0x4c/0xa0
[ 230.217821][ T5448] ? clear_bhb_loop+0x30/0x80
[ 230.222479][ T5448] ? clear_bhb_loop+0x30/0x80
[ 230.227171][ T5448] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.233151][ T5448] RIP: 0033:0x7f08c743138a
[ 230.237552][ T5448] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 230.257144][ T5448] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.265540][ T5448] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 230.273493][ T5448] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 230.281806][ T5448] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 230.289897][ T5448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.297865][ T5448] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.305836][ T5448]
[ 230.310121][ T5448] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.323288][ T5448] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.641337][ T5450] loop1: detected capacity change from 0 to 32768
[ 230.693802][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.702350][ T5450] CPU: 0 PID: 5450 Comm: syz.1.184 Not tainted syzkaller #0
[ 230.709676][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 230.719779][ T5450] Call Trace:
[ 230.723095][ T5450]
[ 230.726060][ T5450] dump_stack_lvl+0x168/0x230
[ 230.730779][ T5450] ? show_regs_print_info+0x20/0x20
[ 230.736023][ T5450] ? load_image+0x3b0/0x3b0
[ 230.740576][ T5450] sysfs_create_dir_ns+0x252/0x280
[ 230.745732][ T5450] ? __lock_acquire+0x7c60/0x7c60
[ 230.750796][ T5450] ? sysfs_warn_dup+0xa0/0xa0
[ 230.755562][ T5450] ? do_raw_spin_unlock+0x11d/0x230
[ 230.760792][ T5450] kobject_add_internal+0x662/0xd00
[ 230.766111][ T5450] kobject_init_and_add+0x122/0x190
[ 230.771333][ T5450] ? lockdep_softirqs_off+0x420/0x420
[ 230.776735][ T5450] ? kobject_add+0x210/0x210
[ 230.781558][ T5450] ? __init_swait_queue_head+0xa5/0x150
[ 230.787122][ T5450] gfs2_sys_fs_add+0x234/0x480
[ 230.792150][ T5450] ? gfs2_recover_set+0x240/0x240
[ 230.797253][ T5450] ? snprintf+0xd7/0x120
[ 230.801494][ T5450] ? __free_pages+0x95/0x1a0
[ 230.806078][ T5450] ? vscnprintf+0x80/0x80
[ 230.810440][ T5450] gfs2_fill_super+0x128d/0x1f50
[ 230.815403][ T5450] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.820408][ T5450] ? preempt_count_add+0x8d/0x190
[ 230.825444][ T5450] ? sb_set_blocksize+0xa5/0xe0
[ 230.830292][ T5450] get_tree_bdev+0x3f1/0x610
[ 230.834887][ T5450] ? gfs2_reconfigure+0xcd0/0xcd0
[ 230.839910][ T5450] gfs2_get_tree+0x4d/0x1e0
[ 230.844432][ T5450] vfs_get_tree+0x88/0x270
[ 230.848860][ T5450] do_new_mount+0x24a/0xa40
[ 230.853343][ T5450] __se_sys_mount+0x2d6/0x3c0
[ 230.858261][ T5450] ? __x64_sys_mount+0xc0/0xc0
[ 230.863020][ T5450] ? lockdep_hardirqs_on+0x94/0x140
[ 230.868195][ T5450] ? __x64_sys_mount+0x1c/0xc0
[ 230.872939][ T5450] do_syscall_64+0x4c/0xa0
[ 230.877328][ T5450] ? clear_bhb_loop+0x30/0x80
[ 230.881979][ T5450] ? clear_bhb_loop+0x30/0x80
[ 230.886639][ T5450] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.892507][ T5450] RIP: 0033:0x7f08c743138a
[ 230.896910][ T5450] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 230.916589][ T5450] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.925015][ T5450] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 230.933071][ T5450] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 230.941029][ T5450] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 230.948983][ T5450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.956939][ T5450] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.964929][ T5450]
[ 230.969759][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.983067][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.300870][ T5452] loop1: detected capacity change from 0 to 32768
[ 231.364120][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.371563][ T5452] CPU: 1 PID: 5452 Comm: syz.1.185 Not tainted syzkaller #0
[ 231.378980][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 231.389060][ T5452] Call Trace:
[ 231.392364][ T5452]
[ 231.395319][ T5452] dump_stack_lvl+0x168/0x230
[ 231.400040][ T5452] ? show_regs_print_info+0x20/0x20
[ 231.405280][ T5452] ? load_image+0x3b0/0x3b0
[ 231.409837][ T5452] sysfs_create_dir_ns+0x252/0x280
[ 231.414977][ T5452] ? __lock_acquire+0x7c60/0x7c60
[ 231.420212][ T5452] ? sysfs_warn_dup+0xa0/0xa0
[ 231.424953][ T5452] ? do_raw_spin_unlock+0x11d/0x230
[ 231.430184][ T5452] kobject_add_internal+0x662/0xd00
[ 231.435517][ T5452] kobject_init_and_add+0x122/0x190
[ 231.440737][ T5452] ? lockdep_softirqs_off+0x420/0x420
[ 231.446161][ T5452] ? kobject_add+0x210/0x210
[ 231.450875][ T5452] ? __init_swait_queue_head+0xa5/0x150
[ 231.456538][ T5452] gfs2_sys_fs_add+0x234/0x480
[ 231.461320][ T5452] ? gfs2_recover_set+0x240/0x240
[ 231.466326][ T5452] ? snprintf+0xd7/0x120
[ 231.470751][ T5452] ? __free_pages+0x95/0x1a0
[ 231.475414][ T5452] ? vscnprintf+0x80/0x80
[ 231.479757][ T5452] gfs2_fill_super+0x128d/0x1f50
[ 231.484677][ T5452] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.489883][ T5452] ? preempt_count_add+0x8d/0x190
[ 231.494906][ T5452] ? sb_set_blocksize+0xa5/0xe0
[ 231.499856][ T5452] get_tree_bdev+0x3f1/0x610
[ 231.504517][ T5452] ? gfs2_reconfigure+0xcd0/0xcd0
[ 231.509528][ T5452] gfs2_get_tree+0x4d/0x1e0
[ 231.514029][ T5452] vfs_get_tree+0x88/0x270
[ 231.518444][ T5452] do_new_mount+0x24a/0xa40
[ 231.522932][ T5452] __se_sys_mount+0x2d6/0x3c0
[ 231.527610][ T5452] ? __x64_sys_mount+0xc0/0xc0
[ 231.532355][ T5452] ? lockdep_hardirqs_on+0x94/0x140
[ 231.537617][ T5452] ? __x64_sys_mount+0x1c/0xc0
[ 231.542359][ T5452] do_syscall_64+0x4c/0xa0
[ 231.546851][ T5452] ? clear_bhb_loop+0x30/0x80
[ 231.551678][ T5452] ? clear_bhb_loop+0x30/0x80
[ 231.556343][ T5452] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.562302][ T5452] RIP: 0033:0x7f08c743138a
[ 231.566795][ T5452] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 231.586381][ T5452] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.594781][ T5452] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 231.602762][ T5452] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 231.610717][ T5452] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 231.618870][ T5452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.626925][ T5452] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.635151][ T5452]
[ 231.644188][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.657521][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:18:50 executed programs: 171
[ 231.962671][ T5454] loop1: detected capacity change from 0 to 32768
[ 232.016058][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.023489][ T5454] CPU: 0 PID: 5454 Comm: syz.1.186 Not tainted syzkaller #0
[ 232.030822][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 232.040992][ T5454] Call Trace:
[ 232.044300][ T5454]
[ 232.047251][ T5454] dump_stack_lvl+0x168/0x230
[ 232.051962][ T5454] ? show_regs_print_info+0x20/0x20
[ 232.057226][ T5454] ? load_image+0x3b0/0x3b0
[ 232.061776][ T5454] sysfs_create_dir_ns+0x252/0x280
[ 232.067026][ T5454] ? __lock_acquire+0x7c60/0x7c60
[ 232.072269][ T5454] ? sysfs_warn_dup+0xa0/0xa0
[ 232.076979][ T5454] ? do_raw_spin_unlock+0x11d/0x230
[ 232.082216][ T5454] kobject_add_internal+0x662/0xd00
[ 232.087451][ T5454] kobject_init_and_add+0x122/0x190
[ 232.092680][ T5454] ? lockdep_softirqs_off+0x420/0x420
[ 232.098186][ T5454] ? kobject_add+0x210/0x210
[ 232.102804][ T5454] ? __init_swait_queue_head+0xa5/0x150
[ 232.108386][ T5454] gfs2_sys_fs_add+0x234/0x480
[ 232.113166][ T5454] ? gfs2_recover_set+0x240/0x240
[ 232.118174][ T5454] ? snprintf+0xd7/0x120
[ 232.122411][ T5454] ? __free_pages+0x95/0x1a0
[ 232.126992][ T5454] ? vscnprintf+0x80/0x80
[ 232.131314][ T5454] gfs2_fill_super+0x128d/0x1f50
[ 232.136244][ T5454] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.141258][ T5454] ? preempt_count_add+0x8d/0x190
[ 232.146264][ T5454] ? sb_set_blocksize+0xa5/0xe0
[ 232.151095][ T5454] get_tree_bdev+0x3f1/0x610
[ 232.155754][ T5454] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.160769][ T5454] gfs2_get_tree+0x4d/0x1e0
[ 232.165272][ T5454] vfs_get_tree+0x88/0x270
[ 232.169668][ T5454] do_new_mount+0x24a/0xa40
[ 232.174168][ T5454] __se_sys_mount+0x2d6/0x3c0
[ 232.178869][ T5454] ? __x64_sys_mount+0xc0/0xc0
[ 232.183614][ T5454] ? lockdep_hardirqs_on+0x94/0x140
[ 232.188792][ T5454] ? __x64_sys_mount+0x1c/0xc0
[ 232.193543][ T5454] do_syscall_64+0x4c/0xa0
[ 232.197938][ T5454] ? clear_bhb_loop+0x30/0x80
[ 232.202594][ T5454] ? clear_bhb_loop+0x30/0x80
[ 232.207351][ T5454] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.213222][ T5454] RIP: 0033:0x7f08c743138a
[ 232.217617][ T5454] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 232.237207][ T5454] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.245628][ T5454] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 232.253587][ T5454] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 232.261548][ T5454] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 232.269588][ T5454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.277715][ T5454] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.285701][ T5454]
[ 232.289988][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.303461][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.619037][ T5456] loop1: detected capacity change from 0 to 32768
[ 232.666798][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.675378][ T5456] CPU: 0 PID: 5456 Comm: syz.1.187 Not tainted syzkaller #0
[ 232.682793][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 232.692986][ T5456] Call Trace:
[ 232.696295][ T5456]
[ 232.699260][ T5456] dump_stack_lvl+0x168/0x230
[ 232.703976][ T5456] ? show_regs_print_info+0x20/0x20
[ 232.709214][ T5456] ? load_image+0x3b0/0x3b0
[ 232.713768][ T5456] sysfs_create_dir_ns+0x252/0x280
[ 232.718996][ T5456] ? __lock_acquire+0x7c60/0x7c60
[ 232.724055][ T5456] ? sysfs_warn_dup+0xa0/0xa0
[ 232.728767][ T5456] ? do_raw_spin_unlock+0x11d/0x230
[ 232.733991][ T5456] kobject_add_internal+0x662/0xd00
[ 232.739215][ T5456] kobject_init_and_add+0x122/0x190
[ 232.744436][ T5456] ? lockdep_softirqs_off+0x420/0x420
[ 232.749840][ T5456] ? kobject_add+0x210/0x210
[ 232.754561][ T5456] ? __init_swait_queue_head+0xa5/0x150
[ 232.760320][ T5456] gfs2_sys_fs_add+0x234/0x480
[ 232.765137][ T5456] ? gfs2_recover_set+0x240/0x240
[ 232.770182][ T5456] ? snprintf+0xd7/0x120
[ 232.774413][ T5456] ? __free_pages+0x95/0x1a0
[ 232.778987][ T5456] ? vscnprintf+0x80/0x80
[ 232.783505][ T5456] gfs2_fill_super+0x128d/0x1f50
[ 232.788447][ T5456] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.793461][ T5456] ? preempt_count_add+0x8d/0x190
[ 232.798472][ T5456] ? sb_set_blocksize+0xa5/0xe0
[ 232.803325][ T5456] get_tree_bdev+0x3f1/0x610
[ 232.807894][ T5456] ? gfs2_reconfigure+0xcd0/0xcd0
[ 232.812897][ T5456] gfs2_get_tree+0x4d/0x1e0
[ 232.817390][ T5456] vfs_get_tree+0x88/0x270
[ 232.822230][ T5456] do_new_mount+0x24a/0xa40
[ 232.826713][ T5456] __se_sys_mount+0x2d6/0x3c0
[ 232.831369][ T5456] ? __x64_sys_mount+0xc0/0xc0
[ 232.836284][ T5456] ? lockdep_hardirqs_on+0x94/0x140
[ 232.841506][ T5456] ? __x64_sys_mount+0x1c/0xc0
[ 232.846258][ T5456] do_syscall_64+0x4c/0xa0
[ 232.850656][ T5456] ? clear_bhb_loop+0x30/0x80
[ 232.855314][ T5456] ? clear_bhb_loop+0x30/0x80
[ 232.859984][ T5456] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.865885][ T5456] RIP: 0033:0x7f08c743138a
[ 232.870288][ T5456] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 232.889905][ T5456] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.898482][ T5456] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 232.906553][ T5456] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 232.914766][ T5456] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 232.923033][ T5456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.931008][ T5456] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.939014][ T5456]
[ 232.943538][ T5456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.956982][ T5456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.288567][ T5458] loop1: detected capacity change from 0 to 32768
[ 233.349377][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.366038][ T5458] CPU: 0 PID: 5458 Comm: syz.1.188 Not tainted syzkaller #0
[ 233.373482][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 233.383572][ T5458] Call Trace:
[ 233.386887][ T5458]
[ 233.389927][ T5458] dump_stack_lvl+0x168/0x230
[ 233.394638][ T5458] ? show_regs_print_info+0x20/0x20
[ 233.399888][ T5458] ? load_image+0x3b0/0x3b0
[ 233.404445][ T5458] sysfs_create_dir_ns+0x252/0x280
[ 233.409585][ T5458] ? __lock_acquire+0x7c60/0x7c60
[ 233.414730][ T5458] ? sysfs_warn_dup+0xa0/0xa0
[ 233.419523][ T5458] ? do_raw_spin_unlock+0x11d/0x230
[ 233.424785][ T5458] kobject_add_internal+0x662/0xd00
[ 233.430017][ T5458] kobject_init_and_add+0x122/0x190
[ 233.435348][ T5458] ? lockdep_softirqs_off+0x420/0x420
[ 233.440711][ T5458] ? kobject_add+0x210/0x210
[ 233.445303][ T5458] ? __init_swait_queue_head+0xa5/0x150
[ 233.450838][ T5458] gfs2_sys_fs_add+0x234/0x480
[ 233.455622][ T5458] ? gfs2_recover_set+0x240/0x240
[ 233.460626][ T5458] ? snprintf+0xd7/0x120
[ 233.464967][ T5458] ? __free_pages+0x95/0x1a0
[ 233.469540][ T5458] ? vscnprintf+0x80/0x80
[ 233.473857][ T5458] gfs2_fill_super+0x128d/0x1f50
[ 233.478920][ T5458] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.483953][ T5458] ? preempt_count_add+0x8d/0x190
[ 233.489049][ T5458] ? sb_set_blocksize+0xa5/0xe0
[ 233.493879][ T5458] get_tree_bdev+0x3f1/0x610
[ 233.498448][ T5458] ? gfs2_reconfigure+0xcd0/0xcd0
[ 233.503496][ T5458] gfs2_get_tree+0x4d/0x1e0
[ 233.507978][ T5458] vfs_get_tree+0x88/0x270
[ 233.512373][ T5458] do_new_mount+0x24a/0xa40
[ 233.516860][ T5458] __se_sys_mount+0x2d6/0x3c0
[ 233.521520][ T5458] ? __x64_sys_mount+0xc0/0xc0
[ 233.526277][ T5458] ? lockdep_hardirqs_on+0x94/0x140
[ 233.531546][ T5458] ? __x64_sys_mount+0x1c/0xc0
[ 233.536286][ T5458] do_syscall_64+0x4c/0xa0
[ 233.540680][ T5458] ? clear_bhb_loop+0x30/0x80
[ 233.545331][ T5458] ? clear_bhb_loop+0x30/0x80
[ 233.550105][ T5458] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.555996][ T5458] RIP: 0033:0x7f08c743138a
[ 233.560402][ T5458] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 233.580166][ T5458] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.588567][ T5458] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 233.596529][ T5458] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 233.604594][ T5458] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 233.612719][ T5458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.620763][ T5458] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.628739][ T5458]
[ 233.633322][ T5458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.646626][ T5458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.971734][ T5460] loop1: detected capacity change from 0 to 32768
[ 234.017662][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.025238][ T5460] CPU: 0 PID: 5460 Comm: syz.1.189 Not tainted syzkaller #0
[ 234.032555][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.042738][ T5460] Call Trace:
[ 234.046077][ T5460]
[ 234.049043][ T5460] dump_stack_lvl+0x168/0x230
[ 234.053765][ T5460] ? show_regs_print_info+0x20/0x20
[ 234.058993][ T5460] ? load_image+0x3b0/0x3b0
[ 234.063562][ T5460] sysfs_create_dir_ns+0x252/0x280
[ 234.068705][ T5460] ? __lock_acquire+0x7c60/0x7c60
[ 234.073763][ T5460] ? sysfs_warn_dup+0xa0/0xa0
[ 234.078472][ T5460] ? do_raw_spin_unlock+0x11d/0x230
[ 234.083765][ T5460] kobject_add_internal+0x662/0xd00
[ 234.088993][ T5460] kobject_init_and_add+0x122/0x190
[ 234.094211][ T5460] ? lockdep_softirqs_off+0x420/0x420
[ 234.099579][ T5460] ? kobject_add+0x210/0x210
[ 234.104596][ T5460] ? __init_swait_queue_head+0xa5/0x150
[ 234.110163][ T5460] gfs2_sys_fs_add+0x234/0x480
[ 234.114913][ T5460] ? gfs2_recover_set+0x240/0x240
[ 234.119917][ T5460] ? snprintf+0xd7/0x120
[ 234.124141][ T5460] ? __free_pages+0x95/0x1a0
[ 234.128727][ T5460] ? vscnprintf+0x80/0x80
[ 234.133133][ T5460] gfs2_fill_super+0x128d/0x1f50
[ 234.138343][ T5460] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.143387][ T5460] ? preempt_count_add+0x8d/0x190
[ 234.148412][ T5460] ? sb_set_blocksize+0xa5/0xe0
[ 234.153246][ T5460] get_tree_bdev+0x3f1/0x610
[ 234.157814][ T5460] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.162862][ T5460] gfs2_get_tree+0x4d/0x1e0
[ 234.167446][ T5460] vfs_get_tree+0x88/0x270
[ 234.171953][ T5460] do_new_mount+0x24a/0xa40
[ 234.176460][ T5460] __se_sys_mount+0x2d6/0x3c0
[ 234.181138][ T5460] ? __x64_sys_mount+0xc0/0xc0
[ 234.185900][ T5460] ? lockdep_hardirqs_on+0x94/0x140
[ 234.191203][ T5460] ? __x64_sys_mount+0x1c/0xc0
[ 234.195953][ T5460] do_syscall_64+0x4c/0xa0
[ 234.200442][ T5460] ? clear_bhb_loop+0x30/0x80
[ 234.205107][ T5460] ? clear_bhb_loop+0x30/0x80
[ 234.209794][ T5460] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.215682][ T5460] RIP: 0033:0x7f08c743138a
[ 234.220076][ T5460] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 234.239876][ T5460] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.248289][ T5460] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 234.256367][ T5460] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 234.264344][ T5460] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 234.272339][ T5460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.280306][ T5460] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.288272][ T5460]
[ 234.292479][ T5460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.305733][ T5460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.636199][ T5462] loop1: detected capacity change from 0 to 32768
[ 234.685444][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.692872][ T5462] CPU: 0 PID: 5462 Comm: syz.1.190 Not tainted syzkaller #0
[ 234.700358][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 234.710443][ T5462] Call Trace:
[ 234.713751][ T5462]
[ 234.716750][ T5462] dump_stack_lvl+0x168/0x230
[ 234.721738][ T5462] ? show_regs_print_info+0x20/0x20
[ 234.727001][ T5462] ? load_image+0x3b0/0x3b0
[ 234.731564][ T5462] sysfs_create_dir_ns+0x252/0x280
[ 234.736912][ T5462] ? __lock_acquire+0x7c60/0x7c60
[ 234.742000][ T5462] ? sysfs_warn_dup+0xa0/0xa0
[ 234.746715][ T5462] ? do_raw_spin_unlock+0x11d/0x230
[ 234.751952][ T5462] kobject_add_internal+0x662/0xd00
[ 234.757196][ T5462] kobject_init_and_add+0x122/0x190
[ 234.762418][ T5462] ? lockdep_softirqs_off+0x420/0x420
[ 234.767834][ T5462] ? kobject_add+0x210/0x210
[ 234.772412][ T5462] ? __init_swait_queue_head+0xa5/0x150
[ 234.777939][ T5462] gfs2_sys_fs_add+0x234/0x480
[ 234.782691][ T5462] ? gfs2_recover_set+0x240/0x240
[ 234.787707][ T5462] ? snprintf+0xd7/0x120
[ 234.792049][ T5462] ? __free_pages+0x95/0x1a0
[ 234.796642][ T5462] ? vscnprintf+0x80/0x80
[ 234.801073][ T5462] gfs2_fill_super+0x128d/0x1f50
[ 234.806160][ T5462] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.811232][ T5462] ? preempt_count_add+0x8d/0x190
[ 234.816300][ T5462] ? sb_set_blocksize+0xa5/0xe0
[ 234.821183][ T5462] get_tree_bdev+0x3f1/0x610
[ 234.825763][ T5462] ? gfs2_reconfigure+0xcd0/0xcd0
[ 234.830789][ T5462] gfs2_get_tree+0x4d/0x1e0
[ 234.835280][ T5462] vfs_get_tree+0x88/0x270
[ 234.839763][ T5462] do_new_mount+0x24a/0xa40
[ 234.844255][ T5462] __se_sys_mount+0x2d6/0x3c0
[ 234.848959][ T5462] ? __x64_sys_mount+0xc0/0xc0
[ 234.853696][ T5462] ? lockdep_hardirqs_on+0x94/0x140
[ 234.858888][ T5462] ? __x64_sys_mount+0x1c/0xc0
[ 234.863630][ T5462] do_syscall_64+0x4c/0xa0
[ 234.868019][ T5462] ? clear_bhb_loop+0x30/0x80
[ 234.872671][ T5462] ? clear_bhb_loop+0x30/0x80
[ 234.877324][ T5462] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.883205][ T5462] RIP: 0033:0x7f08c743138a
[ 234.887606][ T5462] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 234.907551][ T5462] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.915965][ T5462] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 234.923937][ T5462] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 234.931892][ T5462] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 234.939845][ T5462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.947800][ T5462] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.955848][ T5462]
[ 234.961612][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.975322][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.330690][ T5464] loop1: detected capacity change from 0 to 32768
[ 235.384263][ T5464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.391736][ T5464] CPU: 1 PID: 5464 Comm: syz.1.191 Not tainted syzkaller #0
[ 235.399055][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 235.409143][ T5464] Call Trace:
[ 235.412456][ T5464]
[ 235.415425][ T5464] dump_stack_lvl+0x168/0x230
[ 235.420153][ T5464] ? show_regs_print_info+0x20/0x20
[ 235.425379][ T5464] ? load_image+0x3b0/0x3b0
[ 235.429921][ T5464] sysfs_create_dir_ns+0x252/0x280
[ 235.435065][ T5464] ? __lock_acquire+0x7c60/0x7c60
[ 235.440113][ T5464] ? sysfs_warn_dup+0xa0/0xa0
[ 235.444929][ T5464] ? do_raw_spin_unlock+0x11d/0x230
[ 235.450156][ T5464] kobject_add_internal+0x662/0xd00
[ 235.455387][ T5464] kobject_init_and_add+0x122/0x190
[ 235.460616][ T5464] ? lockdep_softirqs_off+0x420/0x420
[ 235.466017][ T5464] ? kobject_add+0x210/0x210
[ 235.470641][ T5464] ? __init_swait_queue_head+0xa5/0x150
[ 235.476300][ T5464] gfs2_sys_fs_add+0x234/0x480
[ 235.481055][ T5464] ? gfs2_recover_set+0x240/0x240
[ 235.486068][ T5464] ? snprintf+0xd7/0x120
[ 235.490649][ T5464] ? __free_pages+0x95/0x1a0
[ 235.495259][ T5464] ? vscnprintf+0x80/0x80
[ 235.499619][ T5464] gfs2_fill_super+0x128d/0x1f50
[ 235.504565][ T5464] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.509582][ T5464] ? preempt_count_add+0x8d/0x190
[ 235.514590][ T5464] ? sb_set_blocksize+0xa5/0xe0
[ 235.519425][ T5464] get_tree_bdev+0x3f1/0x610
[ 235.524000][ T5464] ? gfs2_reconfigure+0xcd0/0xcd0
[ 235.529027][ T5464] gfs2_get_tree+0x4d/0x1e0
[ 235.533594][ T5464] vfs_get_tree+0x88/0x270
[ 235.538001][ T5464] do_new_mount+0x24a/0xa40
[ 235.542487][ T5464] __se_sys_mount+0x2d6/0x3c0
[ 235.547163][ T5464] ? __x64_sys_mount+0xc0/0xc0
[ 235.551907][ T5464] ? lockdep_hardirqs_on+0x94/0x140
[ 235.557097][ T5464] ? __x64_sys_mount+0x1c/0xc0
[ 235.561854][ T5464] do_syscall_64+0x4c/0xa0
[ 235.566245][ T5464] ? clear_bhb_loop+0x30/0x80
[ 235.570912][ T5464] ? clear_bhb_loop+0x30/0x80
[ 235.575652][ T5464] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.581522][ T5464] RIP: 0033:0x7f08c743138a
[ 235.585916][ T5464] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 235.605501][ T5464] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.613898][ T5464] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 235.621867][ T5464] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 235.629821][ T5464] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 235.637793][ T5464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.645855][ T5464] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.653845][ T5464]
[ 235.658479][ T5464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.671805][ T5464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.979177][ T5466] loop1: detected capacity change from 0 to 32768
[ 236.066888][ T5466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.084333][ T5466] CPU: 1 PID: 5466 Comm: syz.1.192 Not tainted syzkaller #0
[ 236.091758][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 236.101923][ T5466] Call Trace:
[ 236.105240][ T5466]
[ 236.108281][ T5466] dump_stack_lvl+0x168/0x230
[ 236.112989][ T5466] ? show_regs_print_info+0x20/0x20
[ 236.118224][ T5466] ? load_image+0x3b0/0x3b0
[ 236.122752][ T5466] sysfs_create_dir_ns+0x252/0x280
[ 236.127943][ T5466] ? __lock_acquire+0x7c60/0x7c60
[ 236.132972][ T5466] ? sysfs_warn_dup+0xa0/0xa0
[ 236.137661][ T5466] ? do_raw_spin_unlock+0x11d/0x230
[ 236.142860][ T5466] kobject_add_internal+0x662/0xd00
[ 236.148249][ T5466] kobject_init_and_add+0x122/0x190
[ 236.153732][ T5466] ? lockdep_softirqs_off+0x420/0x420
[ 236.159116][ T5466] ? kobject_add+0x210/0x210
[ 236.163698][ T5466] ? __init_swait_queue_head+0xa5/0x150
[ 236.169242][ T5466] gfs2_sys_fs_add+0x234/0x480
[ 236.174000][ T5466] ? gfs2_recover_set+0x240/0x240
[ 236.179026][ T5466] ? snprintf+0xd7/0x120
[ 236.183266][ T5466] ? __free_pages+0x95/0x1a0
[ 236.187847][ T5466] ? vscnprintf+0x80/0x80
[ 236.192297][ T5466] gfs2_fill_super+0x128d/0x1f50
[ 236.197343][ T5466] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.202480][ T5466] ? preempt_count_add+0x8d/0x190
[ 236.207497][ T5466] ? sb_set_blocksize+0xa5/0xe0
[ 236.212425][ T5466] get_tree_bdev+0x3f1/0x610
[ 236.217003][ T5466] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.222018][ T5466] gfs2_get_tree+0x4d/0x1e0
[ 236.226609][ T5466] vfs_get_tree+0x88/0x270
[ 236.231031][ T5466] do_new_mount+0x24a/0xa40
[ 236.235528][ T5466] __se_sys_mount+0x2d6/0x3c0
[ 236.240220][ T5466] ? __x64_sys_mount+0xc0/0xc0
[ 236.244984][ T5466] ? lockdep_hardirqs_on+0x94/0x140
[ 236.250189][ T5466] ? __x64_sys_mount+0x1c/0xc0
[ 236.254933][ T5466] do_syscall_64+0x4c/0xa0
[ 236.259330][ T5466] ? clear_bhb_loop+0x30/0x80
[ 236.263981][ T5466] ? clear_bhb_loop+0x30/0x80
[ 236.268648][ T5466] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.274520][ T5466] RIP: 0033:0x7f08c743138a
[ 236.278922][ T5466] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 236.298766][ T5466] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.307173][ T5466] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 236.315140][ T5466] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 236.323103][ T5466] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 236.331146][ T5466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.339215][ T5466] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.347180][ T5466]
[ 236.351627][ T5466] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.364897][ T5466] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.668888][ T5468] loop1: detected capacity change from 0 to 32768
[ 236.734530][ T5468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.749199][ T5468] CPU: 0 PID: 5468 Comm: syz.1.193 Not tainted syzkaller #0
[ 236.756536][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 236.766721][ T5468] Call Trace:
[ 236.770031][ T5468]
[ 236.772982][ T5468] dump_stack_lvl+0x168/0x230
[ 236.777699][ T5468] ? show_regs_print_info+0x20/0x20
[ 236.782923][ T5468] ? load_image+0x3b0/0x3b0
[ 236.787466][ T5468] sysfs_create_dir_ns+0x252/0x280
[ 236.792611][ T5468] ? __lock_acquire+0x7c60/0x7c60
[ 236.797673][ T5468] ? sysfs_warn_dup+0xa0/0xa0
[ 236.802384][ T5468] ? do_raw_spin_unlock+0x11d/0x230
[ 236.807876][ T5468] kobject_add_internal+0x662/0xd00
[ 236.813122][ T5468] kobject_init_and_add+0x122/0x190
[ 236.818787][ T5468] ? lockdep_softirqs_off+0x420/0x420
[ 236.824205][ T5468] ? kobject_add+0x210/0x210
[ 236.828918][ T5468] ? __init_swait_queue_head+0xa5/0x150
[ 236.834512][ T5468] gfs2_sys_fs_add+0x234/0x480
[ 236.839270][ T5468] ? gfs2_recover_set+0x240/0x240
[ 236.844287][ T5468] ? snprintf+0xd7/0x120
[ 236.848556][ T5468] ? __free_pages+0x95/0x1a0
[ 236.853127][ T5468] ? vscnprintf+0x80/0x80
[ 236.857438][ T5468] gfs2_fill_super+0x128d/0x1f50
[ 236.862372][ T5468] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.867372][ T5468] ? preempt_count_add+0x8d/0x190
[ 236.872384][ T5468] ? sb_set_blocksize+0xa5/0xe0
[ 236.877215][ T5468] get_tree_bdev+0x3f1/0x610
[ 236.881811][ T5468] ? gfs2_reconfigure+0xcd0/0xcd0
[ 236.886828][ T5468] gfs2_get_tree+0x4d/0x1e0
[ 236.891354][ T5468] vfs_get_tree+0x88/0x270
[ 236.895777][ T5468] do_new_mount+0x24a/0xa40
[ 236.900266][ T5468] __se_sys_mount+0x2d6/0x3c0
[ 236.904948][ T5468] ? __x64_sys_mount+0xc0/0xc0
[ 236.909741][ T5468] ? lockdep_hardirqs_on+0x94/0x140
[ 236.914917][ T5468] ? __x64_sys_mount+0x1c/0xc0
[ 236.919669][ T5468] do_syscall_64+0x4c/0xa0
[ 236.924212][ T5468] ? clear_bhb_loop+0x30/0x80
[ 236.928899][ T5468] ? clear_bhb_loop+0x30/0x80
[ 236.933564][ T5468] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.939450][ T5468] RIP: 0033:0x7f08c743138a
[ 236.943864][ T5468] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 236.963465][ T5468] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.971913][ T5468] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 236.979890][ T5468] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 236.987963][ T5468] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 236.995931][ T5468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.003967][ T5468] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.011935][ T5468]
[ 237.016159][ T5468] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.029940][ T5468] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:18:55 executed programs: 179
[ 237.342959][ T5470] loop1: detected capacity change from 0 to 32768
[ 237.366142][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.373833][ T5470] CPU: 0 PID: 5470 Comm: syz.1.194 Not tainted syzkaller #0
[ 237.381151][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 237.391233][ T5470] Call Trace:
[ 237.394539][ T5470]
[ 237.397488][ T5470] dump_stack_lvl+0x168/0x230
[ 237.402202][ T5470] ? show_regs_print_info+0x20/0x20
[ 237.407446][ T5470] ? load_image+0x3b0/0x3b0
[ 237.412008][ T5470] sysfs_create_dir_ns+0x252/0x280
[ 237.417181][ T5470] ? __lock_acquire+0x7c60/0x7c60
[ 237.422240][ T5470] ? sysfs_warn_dup+0xa0/0xa0
[ 237.426954][ T5470] ? do_raw_spin_unlock+0x11d/0x230
[ 237.432274][ T5470] kobject_add_internal+0x662/0xd00
[ 237.437512][ T5470] kobject_init_and_add+0x122/0x190
[ 237.442742][ T5470] ? lockdep_softirqs_off+0x420/0x420
[ 237.448139][ T5470] ? kobject_add+0x210/0x210
[ 237.452766][ T5470] ? __init_swait_queue_head+0xa5/0x150
[ 237.458332][ T5470] gfs2_sys_fs_add+0x234/0x480
[ 237.463086][ T5470] ? gfs2_recover_set+0x240/0x240
[ 237.468094][ T5470] ? snprintf+0xd7/0x120
[ 237.472321][ T5470] ? __free_pages+0x95/0x1a0
[ 237.476891][ T5470] ? vscnprintf+0x80/0x80
[ 237.481384][ T5470] gfs2_fill_super+0x128d/0x1f50
[ 237.486332][ T5470] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.491380][ T5470] ? preempt_count_add+0x8d/0x190
[ 237.496406][ T5470] ? sb_set_blocksize+0xa5/0xe0
[ 237.501362][ T5470] get_tree_bdev+0x3f1/0x610
[ 237.505958][ T5470] ? gfs2_reconfigure+0xcd0/0xcd0
[ 237.511067][ T5470] gfs2_get_tree+0x4d/0x1e0
[ 237.515552][ T5470] vfs_get_tree+0x88/0x270
[ 237.519950][ T5470] do_new_mount+0x24a/0xa40
[ 237.524455][ T5470] __se_sys_mount+0x2d6/0x3c0
[ 237.529145][ T5470] ? __x64_sys_mount+0xc0/0xc0
[ 237.533896][ T5470] ? lockdep_hardirqs_on+0x94/0x140
[ 237.539079][ T5470] ? __x64_sys_mount+0x1c/0xc0
[ 237.543835][ T5470] do_syscall_64+0x4c/0xa0
[ 237.548226][ T5470] ? clear_bhb_loop+0x30/0x80
[ 237.552881][ T5470] ? clear_bhb_loop+0x30/0x80
[ 237.557537][ T5470] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.563411][ T5470] RIP: 0033:0x7f08c743138a
[ 237.567808][ T5470] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 237.587673][ T5470] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.596073][ T5470] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 237.604040][ T5470] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 237.612128][ T5470] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 237.620094][ T5470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.628050][ T5470] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.636008][ T5470]
[ 237.640786][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.654122][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.942713][ T5472] loop1: detected capacity change from 0 to 32768
[ 237.990316][ T5472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.997877][ T5472] CPU: 1 PID: 5472 Comm: syz.1.195 Not tainted syzkaller #0
[ 238.005290][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 238.015500][ T5472] Call Trace:
[ 238.018901][ T5472]
[ 238.021855][ T5472] dump_stack_lvl+0x168/0x230
[ 238.026570][ T5472] ? show_regs_print_info+0x20/0x20
[ 238.031881][ T5472] ? load_image+0x3b0/0x3b0
[ 238.036431][ T5472] sysfs_create_dir_ns+0x252/0x280
[ 238.041666][ T5472] ? __lock_acquire+0x7c60/0x7c60
[ 238.046847][ T5472] ? sysfs_warn_dup+0xa0/0xa0
[ 238.051563][ T5472] ? do_raw_spin_unlock+0x11d/0x230
[ 238.056793][ T5472] kobject_add_internal+0x662/0xd00
[ 238.062035][ T5472] kobject_init_and_add+0x122/0x190
[ 238.067264][ T5472] ? lockdep_softirqs_off+0x420/0x420
[ 238.072682][ T5472] ? kobject_add+0x210/0x210
[ 238.077292][ T5472] ? __init_swait_queue_head+0xa5/0x150
[ 238.082841][ T5472] gfs2_sys_fs_add+0x234/0x480
[ 238.087605][ T5472] ? gfs2_recover_set+0x240/0x240
[ 238.092610][ T5472] ? snprintf+0xd7/0x120
[ 238.096833][ T5472] ? __free_pages+0x95/0x1a0
[ 238.101404][ T5472] ? vscnprintf+0x80/0x80
[ 238.105718][ T5472] gfs2_fill_super+0x128d/0x1f50
[ 238.110659][ T5472] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.115931][ T5472] ? preempt_count_add+0x8d/0x190
[ 238.120957][ T5472] ? sb_set_blocksize+0xa5/0xe0
[ 238.125799][ T5472] get_tree_bdev+0x3f1/0x610
[ 238.130379][ T5472] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.135385][ T5472] gfs2_get_tree+0x4d/0x1e0
[ 238.139873][ T5472] vfs_get_tree+0x88/0x270
[ 238.144324][ T5472] do_new_mount+0x24a/0xa40
[ 238.148824][ T5472] __se_sys_mount+0x2d6/0x3c0
[ 238.153566][ T5472] ? __x64_sys_mount+0xc0/0xc0
[ 238.158309][ T5472] ? lockdep_hardirqs_on+0x94/0x140
[ 238.163484][ T5472] ? __x64_sys_mount+0x1c/0xc0
[ 238.168225][ T5472] do_syscall_64+0x4c/0xa0
[ 238.172634][ T5472] ? clear_bhb_loop+0x30/0x80
[ 238.177310][ T5472] ? clear_bhb_loop+0x30/0x80
[ 238.181970][ T5472] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.187841][ T5472] RIP: 0033:0x7f08c743138a
[ 238.192240][ T5472] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 238.211920][ T5472] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.220324][ T5472] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 238.228277][ T5472] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 238.236227][ T5472] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 238.244183][ T5472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.252231][ T5472] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.260376][ T5472]
[ 238.264885][ T5472] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.278056][ T5472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.600086][ T5474] loop1: detected capacity change from 0 to 32768
[ 238.653932][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.661547][ T5474] CPU: 0 PID: 5474 Comm: syz.1.196 Not tainted syzkaller #0
[ 238.668868][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 238.678959][ T5474] Call Trace:
[ 238.682266][ T5474]
[ 238.685217][ T5474] dump_stack_lvl+0x168/0x230
[ 238.689931][ T5474] ? show_regs_print_info+0x20/0x20
[ 238.695169][ T5474] ? load_image+0x3b0/0x3b0
[ 238.699721][ T5474] sysfs_create_dir_ns+0x252/0x280
[ 238.705035][ T5474] ? __lock_acquire+0x7c60/0x7c60
[ 238.710101][ T5474] ? sysfs_warn_dup+0xa0/0xa0
[ 238.714813][ T5474] ? do_raw_spin_unlock+0x11d/0x230
[ 238.720138][ T5474] kobject_add_internal+0x662/0xd00
[ 238.725380][ T5474] kobject_init_and_add+0x122/0x190
[ 238.730606][ T5474] ? lockdep_softirqs_off+0x420/0x420
[ 238.736097][ T5474] ? kobject_add+0x210/0x210
[ 238.740714][ T5474] ? __init_swait_queue_head+0xa5/0x150
[ 238.746346][ T5474] gfs2_sys_fs_add+0x234/0x480
[ 238.751111][ T5474] ? gfs2_recover_set+0x240/0x240
[ 238.756275][ T5474] ? snprintf+0xd7/0x120
[ 238.760605][ T5474] ? __free_pages+0x95/0x1a0
[ 238.765200][ T5474] ? vscnprintf+0x80/0x80
[ 238.769529][ T5474] gfs2_fill_super+0x128d/0x1f50
[ 238.774454][ T5474] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.779554][ T5474] ? preempt_count_add+0x8d/0x190
[ 238.784572][ T5474] ? sb_set_blocksize+0xa5/0xe0
[ 238.789404][ T5474] get_tree_bdev+0x3f1/0x610
[ 238.793972][ T5474] ? gfs2_reconfigure+0xcd0/0xcd0
[ 238.798988][ T5474] gfs2_get_tree+0x4d/0x1e0
[ 238.803494][ T5474] vfs_get_tree+0x88/0x270
[ 238.807906][ T5474] do_new_mount+0x24a/0xa40
[ 238.812407][ T5474] __se_sys_mount+0x2d6/0x3c0
[ 238.817076][ T5474] ? __x64_sys_mount+0xc0/0xc0
[ 238.821839][ T5474] ? lockdep_hardirqs_on+0x94/0x140
[ 238.827022][ T5474] ? __x64_sys_mount+0x1c/0xc0
[ 238.831766][ T5474] do_syscall_64+0x4c/0xa0
[ 238.836167][ T5474] ? clear_bhb_loop+0x30/0x80
[ 238.840905][ T5474] ? clear_bhb_loop+0x30/0x80
[ 238.845557][ T5474] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.851434][ T5474] RIP: 0033:0x7f08c743138a
[ 238.855843][ T5474] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 238.875610][ T5474] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.884010][ T5474] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 238.891967][ T5474] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 238.899929][ T5474] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 238.907880][ T5474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.915845][ T5474] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.923838][ T5474]
[ 238.928578][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.941885][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.236150][ T5476] loop1: detected capacity change from 0 to 32768
[ 239.292271][ T5476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.299791][ T5476] CPU: 0 PID: 5476 Comm: syz.1.197 Not tainted syzkaller #0
[ 239.307110][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 239.317193][ T5476] Call Trace:
[ 239.320504][ T5476]
[ 239.323468][ T5476] dump_stack_lvl+0x168/0x230
[ 239.328180][ T5476] ? show_regs_print_info+0x20/0x20
[ 239.333496][ T5476] ? load_image+0x3b0/0x3b0
[ 239.338039][ T5476] sysfs_create_dir_ns+0x252/0x280
[ 239.343186][ T5476] ? __lock_acquire+0x7c60/0x7c60
[ 239.348331][ T5476] ? sysfs_warn_dup+0xa0/0xa0
[ 239.353061][ T5476] ? do_raw_spin_unlock+0x11d/0x230
[ 239.358287][ T5476] kobject_add_internal+0x662/0xd00
[ 239.363520][ T5476] kobject_init_and_add+0x122/0x190
[ 239.368746][ T5476] ? lockdep_softirqs_off+0x420/0x420
[ 239.374160][ T5476] ? kobject_add+0x210/0x210
[ 239.378774][ T5476] ? __init_swait_queue_head+0xa5/0x150
[ 239.384398][ T5476] gfs2_sys_fs_add+0x234/0x480
[ 239.389161][ T5476] ? gfs2_recover_set+0x240/0x240
[ 239.394173][ T5476] ? snprintf+0xd7/0x120
[ 239.398412][ T5476] ? __free_pages+0x95/0x1a0
[ 239.402984][ T5476] ? vscnprintf+0x80/0x80
[ 239.407437][ T5476] gfs2_fill_super+0x128d/0x1f50
[ 239.412385][ T5476] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.417401][ T5476] ? preempt_count_add+0x8d/0x190
[ 239.422410][ T5476] ? sb_set_blocksize+0xa5/0xe0
[ 239.427255][ T5476] get_tree_bdev+0x3f1/0x610
[ 239.431841][ T5476] ? gfs2_reconfigure+0xcd0/0xcd0
[ 239.436841][ T5476] gfs2_get_tree+0x4d/0x1e0
[ 239.441320][ T5476] vfs_get_tree+0x88/0x270
[ 239.445724][ T5476] do_new_mount+0x24a/0xa40
[ 239.450210][ T5476] __se_sys_mount+0x2d6/0x3c0
[ 239.454880][ T5476] ? __x64_sys_mount+0xc0/0xc0
[ 239.459667][ T5476] ? lockdep_hardirqs_on+0x94/0x140
[ 239.464843][ T5476] ? __x64_sys_mount+0x1c/0xc0
[ 239.469587][ T5476] do_syscall_64+0x4c/0xa0
[ 239.473987][ T5476] ? clear_bhb_loop+0x30/0x80
[ 239.478666][ T5476] ? clear_bhb_loop+0x30/0x80
[ 239.483338][ T5476] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.489244][ T5476] RIP: 0033:0x7f08c743138a
[ 239.493761][ T5476] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 239.513350][ T5476] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.521763][ T5476] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 239.529716][ T5476] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 239.537686][ T5476] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 239.545696][ T5476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.553654][ T5476] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.562152][ T5476]
[ 239.566239][ T5476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.579478][ T5476] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.934814][ T5478] loop1: detected capacity change from 0 to 32768
[ 240.003935][ T5478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.020975][ T5478] CPU: 1 PID: 5478 Comm: syz.1.198 Not tainted syzkaller #0
[ 240.028318][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 240.038402][ T5478] Call Trace:
[ 240.041708][ T5478]
[ 240.044665][ T5478] dump_stack_lvl+0x168/0x230
[ 240.049391][ T5478] ? show_regs_print_info+0x20/0x20
[ 240.054629][ T5478] ? load_image+0x3b0/0x3b0
[ 240.059393][ T5478] sysfs_create_dir_ns+0x252/0x280
[ 240.064540][ T5478] ? __lock_acquire+0x7c60/0x7c60
[ 240.069597][ T5478] ? sysfs_warn_dup+0xa0/0xa0
[ 240.074313][ T5478] ? do_raw_spin_unlock+0x11d/0x230
[ 240.079611][ T5478] kobject_add_internal+0x662/0xd00
[ 240.084944][ T5478] kobject_init_and_add+0x122/0x190
[ 240.090163][ T5478] ? lockdep_softirqs_off+0x420/0x420
[ 240.095555][ T5478] ? kobject_add+0x210/0x210
[ 240.100197][ T5478] ? __init_swait_queue_head+0xa5/0x150
[ 240.105747][ T5478] gfs2_sys_fs_add+0x234/0x480
[ 240.110506][ T5478] ? gfs2_recover_set+0x240/0x240
[ 240.115509][ T5478] ? snprintf+0xd7/0x120
[ 240.119771][ T5478] ? __free_pages+0x95/0x1a0
[ 240.124369][ T5478] ? vscnprintf+0x80/0x80
[ 240.128717][ T5478] gfs2_fill_super+0x128d/0x1f50
[ 240.133696][ T5478] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.138819][ T5478] ? preempt_count_add+0x8d/0x190
[ 240.143835][ T5478] ? sb_set_blocksize+0xa5/0xe0
[ 240.148689][ T5478] get_tree_bdev+0x3f1/0x610
[ 240.153284][ T5478] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.158291][ T5478] gfs2_get_tree+0x4d/0x1e0
[ 240.162775][ T5478] vfs_get_tree+0x88/0x270
[ 240.167180][ T5478] do_new_mount+0x24a/0xa40
[ 240.171665][ T5478] __se_sys_mount+0x2d6/0x3c0
[ 240.176537][ T5478] ? __x64_sys_mount+0xc0/0xc0
[ 240.181303][ T5478] ? lockdep_hardirqs_on+0x94/0x140
[ 240.186676][ T5478] ? __x64_sys_mount+0x1c/0xc0
[ 240.191421][ T5478] do_syscall_64+0x4c/0xa0
[ 240.195815][ T5478] ? clear_bhb_loop+0x30/0x80
[ 240.200482][ T5478] ? clear_bhb_loop+0x30/0x80
[ 240.205241][ T5478] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.211124][ T5478] RIP: 0033:0x7f08c743138a
[ 240.215533][ T5478] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 240.235252][ T5478] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.243651][ T5478] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 240.251602][ T5478] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 240.259767][ T5478] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 240.267749][ T5478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.275729][ T5478] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.283822][ T5478]
[ 240.288202][ T5478] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.301372][ T5478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.653104][ T5480] loop1: detected capacity change from 0 to 32768
[ 240.716370][ T5480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.724077][ T5480] CPU: 0 PID: 5480 Comm: syz.1.199 Not tainted syzkaller #0
[ 240.731406][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 240.741496][ T5480] Call Trace:
[ 240.744920][ T5480]
[ 240.748096][ T5480] dump_stack_lvl+0x168/0x230
[ 240.752818][ T5480] ? show_regs_print_info+0x20/0x20
[ 240.758257][ T5480] ? load_image+0x3b0/0x3b0
[ 240.762897][ T5480] sysfs_create_dir_ns+0x252/0x280
[ 240.768075][ T5480] ? __lock_acquire+0x7c60/0x7c60
[ 240.773232][ T5480] ? sysfs_warn_dup+0xa0/0xa0
[ 240.778044][ T5480] ? do_raw_spin_unlock+0x11d/0x230
[ 240.783361][ T5480] kobject_add_internal+0x662/0xd00
[ 240.788598][ T5480] kobject_init_and_add+0x122/0x190
[ 240.793830][ T5480] ? lockdep_softirqs_off+0x420/0x420
[ 240.799239][ T5480] ? kobject_add+0x210/0x210
[ 240.803872][ T5480] ? __init_swait_queue_head+0xa5/0x150
[ 240.809710][ T5480] gfs2_sys_fs_add+0x234/0x480
[ 240.814493][ T5480] ? gfs2_recover_set+0x240/0x240
[ 240.819512][ T5480] ? snprintf+0xd7/0x120
[ 240.823819][ T5480] ? __free_pages+0x95/0x1a0
[ 240.828386][ T5480] ? vscnprintf+0x80/0x80
[ 240.832696][ T5480] gfs2_fill_super+0x128d/0x1f50
[ 240.837619][ T5480] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.842623][ T5480] ? preempt_count_add+0x8d/0x190
[ 240.847651][ T5480] ? sb_set_blocksize+0xa5/0xe0
[ 240.852489][ T5480] get_tree_bdev+0x3f1/0x610
[ 240.857079][ T5480] ? gfs2_reconfigure+0xcd0/0xcd0
[ 240.862105][ T5480] gfs2_get_tree+0x4d/0x1e0
[ 240.866606][ T5480] vfs_get_tree+0x88/0x270
[ 240.871033][ T5480] do_new_mount+0x24a/0xa40
[ 240.875527][ T5480] __se_sys_mount+0x2d6/0x3c0
[ 240.880277][ T5480] ? __x64_sys_mount+0xc0/0xc0
[ 240.885036][ T5480] ? lockdep_hardirqs_on+0x94/0x140
[ 240.890243][ T5480] ? __x64_sys_mount+0x1c/0xc0
[ 240.895001][ T5480] do_syscall_64+0x4c/0xa0
[ 240.899412][ T5480] ? clear_bhb_loop+0x30/0x80
[ 240.904069][ T5480] ? clear_bhb_loop+0x30/0x80
[ 240.908846][ T5480] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.914728][ T5480] RIP: 0033:0x7f08c743138a
[ 240.919137][ T5480] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 240.938759][ T5480] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.947171][ T5480] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 240.955140][ T5480] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 240.963093][ T5480] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 240.971045][ T5480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.979098][ T5480] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.987158][ T5480]
[ 240.991525][ T5480] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.004810][ T5480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.316679][ T5482] loop1: detected capacity change from 0 to 32768
[ 241.396013][ T5482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.413522][ T5482] CPU: 0 PID: 5482 Comm: syz.1.200 Not tainted syzkaller #0
[ 241.420878][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 241.430973][ T5482] Call Trace:
[ 241.434286][ T5482]
[ 241.437327][ T5482] dump_stack_lvl+0x168/0x230
[ 241.442041][ T5482] ? show_regs_print_info+0x20/0x20
[ 241.447271][ T5482] ? load_image+0x3b0/0x3b0
[ 241.451807][ T5482] sysfs_create_dir_ns+0x252/0x280
[ 241.456997][ T5482] ? __lock_acquire+0x7c60/0x7c60
[ 241.462030][ T5482] ? sysfs_warn_dup+0xa0/0xa0
[ 241.466789][ T5482] ? do_raw_spin_unlock+0x11d/0x230
[ 241.472176][ T5482] kobject_add_internal+0x662/0xd00
[ 241.477499][ T5482] kobject_init_and_add+0x122/0x190
[ 241.482690][ T5482] ? lockdep_softirqs_off+0x420/0x420
[ 241.488184][ T5482] ? kobject_add+0x210/0x210
[ 241.492769][ T5482] ? __init_swait_queue_head+0xa5/0x150
[ 241.498310][ T5482] gfs2_sys_fs_add+0x234/0x480
[ 241.503258][ T5482] ? gfs2_recover_set+0x240/0x240
[ 241.508281][ T5482] ? snprintf+0xd7/0x120
[ 241.512506][ T5482] ? __free_pages+0x95/0x1a0
[ 241.517082][ T5482] ? vscnprintf+0x80/0x80
[ 241.521524][ T5482] gfs2_fill_super+0x128d/0x1f50
[ 241.526463][ T5482] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.531484][ T5482] ? preempt_count_add+0x8d/0x190
[ 241.536502][ T5482] ? sb_set_blocksize+0xa5/0xe0
[ 241.541361][ T5482] get_tree_bdev+0x3f1/0x610
[ 241.545930][ T5482] ? gfs2_reconfigure+0xcd0/0xcd0
[ 241.550950][ T5482] gfs2_get_tree+0x4d/0x1e0
[ 241.555447][ T5482] vfs_get_tree+0x88/0x270
[ 241.559875][ T5482] do_new_mount+0x24a/0xa40
[ 241.564359][ T5482] __se_sys_mount+0x2d6/0x3c0
[ 241.569104][ T5482] ? __x64_sys_mount+0xc0/0xc0
[ 241.573855][ T5482] ? lockdep_hardirqs_on+0x94/0x140
[ 241.579051][ T5482] ? __x64_sys_mount+0x1c/0xc0
[ 241.583838][ T5482] do_syscall_64+0x4c/0xa0
[ 241.588334][ T5482] ? clear_bhb_loop+0x30/0x80
[ 241.592993][ T5482] ? clear_bhb_loop+0x30/0x80
[ 241.597649][ T5482] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.603526][ T5482] RIP: 0033:0x7f08c743138a
[ 241.607923][ T5482] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 241.627522][ T5482] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.635939][ T5482] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 241.643922][ T5482] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 241.651882][ T5482] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 241.659933][ T5482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.667898][ T5482] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.675867][ T5482]
[ 241.680078][ T5482] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.693301][ T5482] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.997031][ T5484] loop1: detected capacity change from 0 to 32768
[ 242.014200][ T4244] Bluetooth: hci1: command 0x0406 tx timeout
[ 242.041974][ T5484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.049882][ T5484] CPU: 1 PID: 5484 Comm: syz.1.201 Not tainted syzkaller #0
[ 242.057297][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 242.067379][ T5484] Call Trace:
[ 242.070691][ T5484]
[ 242.073651][ T5484] dump_stack_lvl+0x168/0x230
[ 242.078550][ T5484] ? show_regs_print_info+0x20/0x20
[ 242.083775][ T5484] ? load_image+0x3b0/0x3b0
[ 242.088327][ T5484] sysfs_create_dir_ns+0x252/0x280
[ 242.093484][ T5484] ? __lock_acquire+0x7c60/0x7c60
[ 242.098545][ T5484] ? sysfs_warn_dup+0xa0/0xa0
[ 242.103263][ T5484] ? do_raw_spin_unlock+0x11d/0x230
[ 242.108586][ T5484] kobject_add_internal+0x662/0xd00
[ 242.113838][ T5484] kobject_init_and_add+0x122/0x190
[ 242.119071][ T5484] ? lockdep_softirqs_off+0x420/0x420
[ 242.124479][ T5484] ? kobject_add+0x210/0x210
[ 242.129192][ T5484] ? __init_swait_queue_head+0xa5/0x150
[ 242.134730][ T5484] gfs2_sys_fs_add+0x234/0x480
[ 242.139914][ T5484] ? gfs2_recover_set+0x240/0x240
[ 242.144923][ T5484] ? snprintf+0xd7/0x120
[ 242.149163][ T5484] ? __free_pages+0x95/0x1a0
[ 242.153733][ T5484] ? vscnprintf+0x80/0x80
[ 242.158055][ T5484] gfs2_fill_super+0x128d/0x1f50
[ 242.162997][ T5484] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.168004][ T5484] ? preempt_count_add+0x8d/0x190
[ 242.173015][ T5484] ? sb_set_blocksize+0xa5/0xe0
[ 242.177870][ T5484] get_tree_bdev+0x3f1/0x610
[ 242.182465][ T5484] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.187469][ T5484] gfs2_get_tree+0x4d/0x1e0
[ 242.192040][ T5484] vfs_get_tree+0x88/0x270
[ 242.196447][ T5484] do_new_mount+0x24a/0xa40
[ 242.200967][ T5484] __se_sys_mount+0x2d6/0x3c0
[ 242.205624][ T5484] ? __x64_sys_mount+0xc0/0xc0
[ 242.210367][ T5484] ? lockdep_hardirqs_on+0x94/0x140
[ 242.215811][ T5484] ? __x64_sys_mount+0x1c/0xc0
[ 242.220558][ T5484] do_syscall_64+0x4c/0xa0
[ 242.224978][ T5484] ? clear_bhb_loop+0x30/0x80
[ 242.229653][ T5484] ? clear_bhb_loop+0x30/0x80
[ 242.234342][ T5484] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.240307][ T5484] RIP: 0033:0x7f08c743138a
[ 242.244706][ T5484] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 242.264308][ T5484] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.272709][ T5484] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 242.280763][ T5484] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 242.288716][ T5484] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 242.296687][ T5484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.304654][ T5484] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.312612][ T5484]
[ 242.324163][ T5484] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.338437][ T5484] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:19:01 executed programs: 187
[ 242.690868][ T5486] loop1: detected capacity change from 0 to 32768
[ 242.753449][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.765430][ T5486] CPU: 1 PID: 5486 Comm: syz.1.202 Not tainted syzkaller #0
[ 242.772777][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 242.782868][ T5486] Call Trace:
[ 242.786174][ T5486]
[ 242.789170][ T5486] dump_stack_lvl+0x168/0x230
[ 242.793886][ T5486] ? show_regs_print_info+0x20/0x20
[ 242.799121][ T5486] ? load_image+0x3b0/0x3b0
[ 242.803676][ T5486] sysfs_create_dir_ns+0x252/0x280
[ 242.808941][ T5486] ? __lock_acquire+0x7c60/0x7c60
[ 242.813996][ T5486] ? sysfs_warn_dup+0xa0/0xa0
[ 242.818700][ T5486] ? do_raw_spin_unlock+0x11d/0x230
[ 242.824020][ T5486] kobject_add_internal+0x662/0xd00
[ 242.829254][ T5486] kobject_init_and_add+0x122/0x190
[ 242.834474][ T5486] ? lockdep_softirqs_off+0x420/0x420
[ 242.839873][ T5486] ? kobject_add+0x210/0x210
[ 242.844505][ T5486] ? __init_swait_queue_head+0xa5/0x150
[ 242.850142][ T5486] gfs2_sys_fs_add+0x234/0x480
[ 242.854902][ T5486] ? gfs2_recover_set+0x240/0x240
[ 242.859990][ T5486] ? snprintf+0xd7/0x120
[ 242.864215][ T5486] ? __free_pages+0x95/0x1a0
[ 242.868819][ T5486] ? vscnprintf+0x80/0x80
[ 242.873144][ T5486] gfs2_fill_super+0x128d/0x1f50
[ 242.878080][ T5486] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.883096][ T5486] ? preempt_count_add+0x8d/0x190
[ 242.888151][ T5486] ? sb_set_blocksize+0xa5/0xe0
[ 242.893109][ T5486] get_tree_bdev+0x3f1/0x610
[ 242.897682][ T5486] ? gfs2_reconfigure+0xcd0/0xcd0
[ 242.902687][ T5486] gfs2_get_tree+0x4d/0x1e0
[ 242.907174][ T5486] vfs_get_tree+0x88/0x270
[ 242.911571][ T5486] do_new_mount+0x24a/0xa40
[ 242.916056][ T5486] __se_sys_mount+0x2d6/0x3c0
[ 242.920716][ T5486] ? __x64_sys_mount+0xc0/0xc0
[ 242.925470][ T5486] ? lockdep_hardirqs_on+0x94/0x140
[ 242.930678][ T5486] ? __x64_sys_mount+0x1c/0xc0
[ 242.935420][ T5486] do_syscall_64+0x4c/0xa0
[ 242.939826][ T5486] ? clear_bhb_loop+0x30/0x80
[ 242.944694][ T5486] ? clear_bhb_loop+0x30/0x80
[ 242.949418][ T5486] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.955427][ T5486] RIP: 0033:0x7f08c743138a
[ 242.959852][ T5486] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 242.979530][ T5486] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.987939][ T5486] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 242.995895][ T5486] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 243.003852][ T5486] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 243.011893][ T5486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.019873][ T5486] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.027926][ T5486]
[ 243.033533][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.046972][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.378591][ T5488] loop1: detected capacity change from 0 to 32768
[ 243.397060][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.404889][ T5488] CPU: 1 PID: 5488 Comm: syz.1.203 Not tainted syzkaller #0
[ 243.412209][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 243.422288][ T5488] Call Trace:
[ 243.425636][ T5488]
[ 243.428588][ T5488] dump_stack_lvl+0x168/0x230
[ 243.433303][ T5488] ? show_regs_print_info+0x20/0x20
[ 243.438534][ T5488] ? load_image+0x3b0/0x3b0
[ 243.443024][ T5488] sysfs_create_dir_ns+0x252/0x280
[ 243.448206][ T5488] ? __lock_acquire+0x7c60/0x7c60
[ 243.453219][ T5488] ? sysfs_warn_dup+0xa0/0xa0
[ 243.457889][ T5488] ? do_raw_spin_unlock+0x11d/0x230
[ 243.463185][ T5488] kobject_add_internal+0x662/0xd00
[ 243.468370][ T5488] kobject_init_and_add+0x122/0x190
[ 243.473553][ T5488] ? lockdep_softirqs_off+0x420/0x420
[ 243.478908][ T5488] ? kobject_add+0x210/0x210
[ 243.483481][ T5488] ? __init_swait_queue_head+0xa5/0x150
[ 243.489005][ T5488] gfs2_sys_fs_add+0x234/0x480
[ 243.493763][ T5488] ? gfs2_recover_set+0x240/0x240
[ 243.498780][ T5488] ? snprintf+0xd7/0x120
[ 243.503010][ T5488] ? __free_pages+0x95/0x1a0
[ 243.507604][ T5488] ? vscnprintf+0x80/0x80
[ 243.511932][ T5488] gfs2_fill_super+0x128d/0x1f50
[ 243.516865][ T5488] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.521887][ T5488] ? preempt_count_add+0x8d/0x190
[ 243.526912][ T5488] ? sb_set_blocksize+0xa5/0xe0
[ 243.531832][ T5488] get_tree_bdev+0x3f1/0x610
[ 243.536402][ T5488] ? gfs2_reconfigure+0xcd0/0xcd0
[ 243.541416][ T5488] gfs2_get_tree+0x4d/0x1e0
[ 243.545943][ T5488] vfs_get_tree+0x88/0x270
[ 243.550347][ T5488] do_new_mount+0x24a/0xa40
[ 243.554834][ T5488] __se_sys_mount+0x2d6/0x3c0
[ 243.559488][ T5488] ? __x64_sys_mount+0xc0/0xc0
[ 243.564246][ T5488] ? lockdep_hardirqs_on+0x94/0x140
[ 243.569441][ T5488] ? __x64_sys_mount+0x1c/0xc0
[ 243.574297][ T5488] do_syscall_64+0x4c/0xa0
[ 243.578688][ T5488] ? clear_bhb_loop+0x30/0x80
[ 243.583343][ T5488] ? clear_bhb_loop+0x30/0x80
[ 243.587993][ T5488] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.593860][ T5488] RIP: 0033:0x7f08c743138a
[ 243.598258][ T5488] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 243.618019][ T5488] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.626425][ T5488] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 243.634499][ T5488] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 243.642498][ T5488] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 243.650459][ T5488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.658427][ T5488] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.666413][ T5488]
[ 243.670889][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.684092][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.988136][ T5490] loop1: detected capacity change from 0 to 32768
[ 244.049465][ T5490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.064039][ T5490] CPU: 0 PID: 5490 Comm: syz.1.204 Not tainted syzkaller #0
[ 244.071372][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 244.081489][ T5490] Call Trace:
[ 244.084884][ T5490]
[ 244.087924][ T5490] dump_stack_lvl+0x168/0x230
[ 244.092647][ T5490] ? show_regs_print_info+0x20/0x20
[ 244.097876][ T5490] ? load_image+0x3b0/0x3b0
[ 244.102425][ T5490] sysfs_create_dir_ns+0x252/0x280
[ 244.107576][ T5490] ? __lock_acquire+0x7c60/0x7c60
[ 244.112631][ T5490] ? sysfs_warn_dup+0xa0/0xa0
[ 244.117341][ T5490] ? do_raw_spin_unlock+0x11d/0x230
[ 244.122572][ T5490] kobject_add_internal+0x662/0xd00
[ 244.127807][ T5490] kobject_init_and_add+0x122/0x190
[ 244.133027][ T5490] ? lockdep_softirqs_off+0x420/0x420
[ 244.138432][ T5490] ? kobject_add+0x210/0x210
[ 244.143040][ T5490] ? __init_swait_queue_head+0xa5/0x150
[ 244.148632][ T5490] gfs2_sys_fs_add+0x234/0x480
[ 244.153379][ T5490] ? gfs2_recover_set+0x240/0x240
[ 244.158382][ T5490] ? snprintf+0xd7/0x120
[ 244.162607][ T5490] ? __free_pages+0x95/0x1a0
[ 244.167177][ T5490] ? vscnprintf+0x80/0x80
[ 244.171489][ T5490] gfs2_fill_super+0x128d/0x1f50
[ 244.176414][ T5490] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.181418][ T5490] ? preempt_count_add+0x8d/0x190
[ 244.186426][ T5490] ? sb_set_blocksize+0xa5/0xe0
[ 244.191260][ T5490] get_tree_bdev+0x3f1/0x610
[ 244.195845][ T5490] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.200877][ T5490] gfs2_get_tree+0x4d/0x1e0
[ 244.205445][ T5490] vfs_get_tree+0x88/0x270
[ 244.209851][ T5490] do_new_mount+0x24a/0xa40
[ 244.214345][ T5490] __se_sys_mount+0x2d6/0x3c0
[ 244.219021][ T5490] ? __x64_sys_mount+0xc0/0xc0
[ 244.223767][ T5490] ? lockdep_hardirqs_on+0x94/0x140
[ 244.228944][ T5490] ? __x64_sys_mount+0x1c/0xc0
[ 244.233702][ T5490] do_syscall_64+0x4c/0xa0
[ 244.238114][ T5490] ? clear_bhb_loop+0x30/0x80
[ 244.242781][ T5490] ? clear_bhb_loop+0x30/0x80
[ 244.247454][ T5490] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.253343][ T5490] RIP: 0033:0x7f08c743138a
[ 244.257743][ T5490] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 244.277335][ T5490] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.285859][ T5490] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 244.293833][ T5490] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 244.301798][ T5490] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 244.309770][ T5490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.317740][ T5490] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.325713][ T5490]
[ 244.330525][ T5490] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.343736][ T5490] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.667556][ T5492] loop1: detected capacity change from 0 to 32768
[ 244.687366][ T5492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.695784][ T5492] CPU: 0 PID: 5492 Comm: syz.1.205 Not tainted syzkaller #0
[ 244.703121][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 244.713300][ T5492] Call Trace:
[ 244.716652][ T5492]
[ 244.719613][ T5492] dump_stack_lvl+0x168/0x230
[ 244.724328][ T5492] ? show_regs_print_info+0x20/0x20
[ 244.729646][ T5492] ? load_image+0x3b0/0x3b0
[ 244.734201][ T5492] sysfs_create_dir_ns+0x252/0x280
[ 244.739355][ T5492] ? __lock_acquire+0x7c60/0x7c60
[ 244.744506][ T5492] ? sysfs_warn_dup+0xa0/0xa0
[ 244.749233][ T5492] ? do_raw_spin_unlock+0x11d/0x230
[ 244.754457][ T5492] kobject_add_internal+0x662/0xd00
[ 244.759689][ T5492] kobject_init_and_add+0x122/0x190
[ 244.764918][ T5492] ? lockdep_softirqs_off+0x420/0x420
[ 244.770319][ T5492] ? kobject_add+0x210/0x210
[ 244.774896][ T5492] ? __init_swait_queue_head+0xa5/0x150
[ 244.780509][ T5492] gfs2_sys_fs_add+0x234/0x480
[ 244.785276][ T5492] ? gfs2_recover_set+0x240/0x240
[ 244.790279][ T5492] ? snprintf+0xd7/0x120
[ 244.794512][ T5492] ? __free_pages+0x95/0x1a0
[ 244.799121][ T5492] ? vscnprintf+0x80/0x80
[ 244.803432][ T5492] gfs2_fill_super+0x128d/0x1f50
[ 244.808361][ T5492] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.813367][ T5492] ? preempt_count_add+0x8d/0x190
[ 244.818729][ T5492] ? sb_set_blocksize+0xa5/0xe0
[ 244.823569][ T5492] get_tree_bdev+0x3f1/0x610
[ 244.828150][ T5492] ? gfs2_reconfigure+0xcd0/0xcd0
[ 244.833151][ T5492] gfs2_get_tree+0x4d/0x1e0
[ 244.837655][ T5492] vfs_get_tree+0x88/0x270
[ 244.842051][ T5492] do_new_mount+0x24a/0xa40
[ 244.846543][ T5492] __se_sys_mount+0x2d6/0x3c0
[ 244.851246][ T5492] ? __x64_sys_mount+0xc0/0xc0
[ 244.856023][ T5492] ? lockdep_hardirqs_on+0x94/0x140
[ 244.861219][ T5492] ? __x64_sys_mount+0x1c/0xc0
[ 244.865969][ T5492] do_syscall_64+0x4c/0xa0
[ 244.870384][ T5492] ? clear_bhb_loop+0x30/0x80
[ 244.875038][ T5492] ? clear_bhb_loop+0x30/0x80
[ 244.879693][ T5492] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.885650][ T5492] RIP: 0033:0x7f08c743138a
[ 244.890052][ T5492] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 244.909835][ T5492] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.918521][ T5492] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 244.926475][ T5492] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 244.934439][ T5492] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 244.942406][ T5492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.950360][ T5492] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.958439][ T5492]
[ 244.962934][ T5492] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.976198][ T5492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.303529][ T5494] loop1: detected capacity change from 0 to 32768
[ 245.374432][ T5494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.381879][ T5494] CPU: 0 PID: 5494 Comm: syz.1.206 Not tainted syzkaller #0
[ 245.389189][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 245.399277][ T5494] Call Trace:
[ 245.402583][ T5494]
[ 245.405547][ T5494] dump_stack_lvl+0x168/0x230
[ 245.410266][ T5494] ? show_regs_print_info+0x20/0x20
[ 245.415494][ T5494] ? load_image+0x3b0/0x3b0
[ 245.420039][ T5494] sysfs_create_dir_ns+0x252/0x280
[ 245.425281][ T5494] ? __lock_acquire+0x7c60/0x7c60
[ 245.430339][ T5494] ? sysfs_warn_dup+0xa0/0xa0
[ 245.435065][ T5494] ? do_raw_spin_unlock+0x11d/0x230
[ 245.440304][ T5494] kobject_add_internal+0x662/0xd00
[ 245.445538][ T5494] kobject_init_and_add+0x122/0x190
[ 245.450853][ T5494] ? lockdep_softirqs_off+0x420/0x420
[ 245.456262][ T5494] ? kobject_add+0x210/0x210
[ 245.460991][ T5494] ? __init_swait_queue_head+0xa5/0x150
[ 245.466572][ T5494] gfs2_sys_fs_add+0x234/0x480
[ 245.471368][ T5494] ? gfs2_recover_set+0x240/0x240
[ 245.476429][ T5494] ? snprintf+0xd7/0x120
[ 245.480699][ T5494] ? __free_pages+0x95/0x1a0
[ 245.485281][ T5494] ? vscnprintf+0x80/0x80
[ 245.489615][ T5494] gfs2_fill_super+0x128d/0x1f50
[ 245.494634][ T5494] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.499680][ T5494] ? preempt_count_add+0x8d/0x190
[ 245.504731][ T5494] ? sb_set_blocksize+0xa5/0xe0
[ 245.509595][ T5494] get_tree_bdev+0x3f1/0x610
[ 245.514178][ T5494] ? gfs2_reconfigure+0xcd0/0xcd0
[ 245.519228][ T5494] gfs2_get_tree+0x4d/0x1e0
[ 245.523794][ T5494] vfs_get_tree+0x88/0x270
[ 245.528218][ T5494] do_new_mount+0x24a/0xa40
[ 245.532735][ T5494] __se_sys_mount+0x2d6/0x3c0
[ 245.537442][ T5494] ? __x64_sys_mount+0xc0/0xc0
[ 245.542201][ T5494] ? lockdep_hardirqs_on+0x94/0x140
[ 245.547380][ T5494] ? __x64_sys_mount+0x1c/0xc0
[ 245.552131][ T5494] do_syscall_64+0x4c/0xa0
[ 245.556531][ T5494] ? clear_bhb_loop+0x30/0x80
[ 245.561187][ T5494] ? clear_bhb_loop+0x30/0x80
[ 245.565842][ T5494] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.571834][ T5494] RIP: 0033:0x7f08c743138a
[ 245.576228][ T5494] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 245.595813][ T5494] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.604389][ T5494] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 245.612357][ T5494] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 245.620407][ T5494] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 245.628356][ T5494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.636399][ T5494] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.644386][ T5494]
[ 245.648857][ T5494] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.662328][ T5494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.985960][ T5496] loop1: detected capacity change from 0 to 32768
[ 246.042139][ T5496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.049831][ T5496] CPU: 0 PID: 5496 Comm: syz.1.207 Not tainted syzkaller #0
[ 246.057153][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 246.067234][ T5496] Call Trace:
[ 246.070550][ T5496]
[ 246.073501][ T5496] dump_stack_lvl+0x168/0x230
[ 246.078217][ T5496] ? show_regs_print_info+0x20/0x20
[ 246.083438][ T5496] ? load_image+0x3b0/0x3b0
[ 246.087980][ T5496] sysfs_create_dir_ns+0x252/0x280
[ 246.093224][ T5496] ? __lock_acquire+0x7c60/0x7c60
[ 246.098279][ T5496] ? sysfs_warn_dup+0xa0/0xa0
[ 246.102989][ T5496] ? do_raw_spin_unlock+0x11d/0x230
[ 246.108211][ T5496] kobject_add_internal+0x662/0xd00
[ 246.113437][ T5496] kobject_init_and_add+0x122/0x190
[ 246.118664][ T5496] ? lockdep_softirqs_off+0x420/0x420
[ 246.124066][ T5496] ? kobject_add+0x210/0x210
[ 246.128683][ T5496] ? __init_swait_queue_head+0xa5/0x150
[ 246.134261][ T5496] gfs2_sys_fs_add+0x234/0x480
[ 246.139035][ T5496] ? gfs2_recover_set+0x240/0x240
[ 246.144043][ T5496] ? snprintf+0xd7/0x120
[ 246.148292][ T5496] ? __free_pages+0x95/0x1a0
[ 246.152861][ T5496] ? vscnprintf+0x80/0x80
[ 246.157175][ T5496] gfs2_fill_super+0x128d/0x1f50
[ 246.162096][ T5496] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.167112][ T5496] ? preempt_count_add+0x8d/0x190
[ 246.172133][ T5496] ? sb_set_blocksize+0xa5/0xe0
[ 246.176966][ T5496] get_tree_bdev+0x3f1/0x610
[ 246.181535][ T5496] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.186723][ T5496] gfs2_get_tree+0x4d/0x1e0
[ 246.191206][ T5496] vfs_get_tree+0x88/0x270
[ 246.195598][ T5496] do_new_mount+0x24a/0xa40
[ 246.200082][ T5496] __se_sys_mount+0x2d6/0x3c0
[ 246.204751][ T5496] ? __x64_sys_mount+0xc0/0xc0
[ 246.209533][ T5496] ? lockdep_hardirqs_on+0x94/0x140
[ 246.214759][ T5496] ? __x64_sys_mount+0x1c/0xc0
[ 246.219533][ T5496] do_syscall_64+0x4c/0xa0
[ 246.223940][ T5496] ? clear_bhb_loop+0x30/0x80
[ 246.228601][ T5496] ? clear_bhb_loop+0x30/0x80
[ 246.233282][ T5496] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.239151][ T5496] RIP: 0033:0x7f08c743138a
[ 246.243588][ T5496] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 246.263179][ T5496] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.271586][ T5496] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 246.279555][ T5496] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 246.287607][ T5496] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 246.295630][ T5496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.303605][ T5496] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 246.311688][ T5496]
[ 246.316186][ T5496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.329353][ T5496] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.628258][ T5498] loop1: detected capacity change from 0 to 32768
[ 246.705874][ T5498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.713404][ T5498] CPU: 1 PID: 5498 Comm: syz.1.208 Not tainted syzkaller #0
[ 246.720716][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 246.730804][ T5498] Call Trace:
[ 246.734115][ T5498]
[ 246.737074][ T5498] dump_stack_lvl+0x168/0x230
[ 246.741796][ T5498] ? show_regs_print_info+0x20/0x20
[ 246.747154][ T5498] ? load_image+0x3b0/0x3b0
[ 246.751705][ T5498] sysfs_create_dir_ns+0x252/0x280
[ 246.756938][ T5498] ? __lock_acquire+0x7c60/0x7c60
[ 246.762078][ T5498] ? sysfs_warn_dup+0xa0/0xa0
[ 246.766789][ T5498] ? do_raw_spin_unlock+0x11d/0x230
[ 246.772019][ T5498] kobject_add_internal+0x662/0xd00
[ 246.777250][ T5498] kobject_init_and_add+0x122/0x190
[ 246.782474][ T5498] ? lockdep_softirqs_off+0x420/0x420
[ 246.787868][ T5498] ? kobject_add+0x210/0x210
[ 246.792502][ T5498] ? __init_swait_queue_head+0xa5/0x150
[ 246.798054][ T5498] gfs2_sys_fs_add+0x234/0x480
[ 246.802913][ T5498] ? gfs2_recover_set+0x240/0x240
[ 246.807928][ T5498] ? snprintf+0xd7/0x120
[ 246.812162][ T5498] ? __free_pages+0x95/0x1a0
[ 246.816741][ T5498] ? vscnprintf+0x80/0x80
[ 246.821174][ T5498] gfs2_fill_super+0x128d/0x1f50
[ 246.826130][ T5498] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.831167][ T5498] ? preempt_count_add+0x8d/0x190
[ 246.836298][ T5498] ? sb_set_blocksize+0xa5/0xe0
[ 246.841152][ T5498] get_tree_bdev+0x3f1/0x610
[ 246.845726][ T5498] ? gfs2_reconfigure+0xcd0/0xcd0
[ 246.850730][ T5498] gfs2_get_tree+0x4d/0x1e0
[ 246.855213][ T5498] vfs_get_tree+0x88/0x270
[ 246.859609][ T5498] do_new_mount+0x24a/0xa40
[ 246.864099][ T5498] __se_sys_mount+0x2d6/0x3c0
[ 246.868774][ T5498] ? __x64_sys_mount+0xc0/0xc0
[ 246.873524][ T5498] ? lockdep_hardirqs_on+0x94/0x140
[ 246.878833][ T5498] ? __x64_sys_mount+0x1c/0xc0
[ 246.883593][ T5498] do_syscall_64+0x4c/0xa0
[ 246.888019][ T5498] ? clear_bhb_loop+0x30/0x80
[ 246.892679][ T5498] ? clear_bhb_loop+0x30/0x80
[ 246.897515][ T5498] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.903406][ T5498] RIP: 0033:0x7f08c743138a
[ 246.907832][ T5498] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 246.927528][ T5498] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.935929][ T5498] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 246.943882][ T5498] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 246.951935][ T5498] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 246.959885][ T5498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.967835][ T5498] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 246.975795][ T5498]
[ 246.980375][ T5498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.993893][ T5498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.280794][ T5500] loop1: detected capacity change from 0 to 32768
[ 247.334983][ T5500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.342516][ T5500] CPU: 0 PID: 5500 Comm: syz.1.209 Not tainted syzkaller #0
[ 247.349837][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 247.359934][ T5500] Call Trace:
[ 247.363251][ T5500]
[ 247.366229][ T5500] dump_stack_lvl+0x168/0x230
[ 247.371030][ T5500] ? show_regs_print_info+0x20/0x20
[ 247.376258][ T5500] ? load_image+0x3b0/0x3b0
[ 247.380883][ T5500] sysfs_create_dir_ns+0x252/0x280
[ 247.386030][ T5500] ? __lock_acquire+0x7c60/0x7c60
[ 247.391105][ T5500] ? sysfs_warn_dup+0xa0/0xa0
[ 247.395820][ T5500] ? do_raw_spin_unlock+0x11d/0x230
[ 247.401054][ T5500] kobject_add_internal+0x662/0xd00
[ 247.406291][ T5500] kobject_init_and_add+0x122/0x190
[ 247.411553][ T5500] ? lockdep_softirqs_off+0x420/0x420
[ 247.416957][ T5500] ? kobject_add+0x210/0x210
[ 247.421578][ T5500] ? __init_swait_queue_head+0xa5/0x150
[ 247.427143][ T5500] gfs2_sys_fs_add+0x234/0x480
[ 247.432010][ T5500] ? gfs2_recover_set+0x240/0x240
[ 247.437021][ T5500] ? snprintf+0xd7/0x120
[ 247.441244][ T5500] ? __free_pages+0x95/0x1a0
[ 247.445824][ T5500] ? vscnprintf+0x80/0x80
[ 247.450154][ T5500] gfs2_fill_super+0x128d/0x1f50
[ 247.455100][ T5500] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.460225][ T5500] ? preempt_count_add+0x8d/0x190
[ 247.465234][ T5500] ? sb_set_blocksize+0xa5/0xe0
[ 247.470086][ T5500] get_tree_bdev+0x3f1/0x610
[ 247.474666][ T5500] ? gfs2_reconfigure+0xcd0/0xcd0
[ 247.479792][ T5500] gfs2_get_tree+0x4d/0x1e0
[ 247.484279][ T5500] vfs_get_tree+0x88/0x270
[ 247.488681][ T5500] do_new_mount+0x24a/0xa40
[ 247.493166][ T5500] __se_sys_mount+0x2d6/0x3c0
[ 247.497828][ T5500] ? __x64_sys_mount+0xc0/0xc0
[ 247.502574][ T5500] ? lockdep_hardirqs_on+0x94/0x140
[ 247.507748][ T5500] ? __x64_sys_mount+0x1c/0xc0
[ 247.512502][ T5500] do_syscall_64+0x4c/0xa0
[ 247.516917][ T5500] ? clear_bhb_loop+0x30/0x80
[ 247.521588][ T5500] ? clear_bhb_loop+0x30/0x80
[ 247.526251][ T5500] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.532172][ T5500] RIP: 0033:0x7f08c743138a
[ 247.536615][ T5500] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 247.556215][ T5500] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.564628][ T5500] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 247.572580][ T5500] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 247.580616][ T5500] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 247.588600][ T5500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.597092][ T5500] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.605175][ T5500]
[ 247.609915][ T5500] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.623079][ T5500] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:19:06 executed programs: 195
[ 247.918488][ T5502] loop1: detected capacity change from 0 to 32768
[ 247.970650][ T5502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.981846][ T5502] CPU: 0 PID: 5502 Comm: syz.1.210 Not tainted syzkaller #0
[ 247.989190][ T5502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 247.999366][ T5502] Call Trace:
[ 248.002670][ T5502]
[ 248.005623][ T5502] dump_stack_lvl+0x168/0x230
[ 248.010434][ T5502] ? show_regs_print_info+0x20/0x20
[ 248.015672][ T5502] ? load_image+0x3b0/0x3b0
[ 248.020224][ T5502] sysfs_create_dir_ns+0x252/0x280
[ 248.025378][ T5502] ? __lock_acquire+0x7c60/0x7c60
[ 248.030435][ T5502] ? sysfs_warn_dup+0xa0/0xa0
[ 248.035143][ T5502] ? do_raw_spin_unlock+0x11d/0x230
[ 248.040380][ T5502] kobject_add_internal+0x662/0xd00
[ 248.045614][ T5502] kobject_init_and_add+0x122/0x190
[ 248.050925][ T5502] ? lockdep_softirqs_off+0x420/0x420
[ 248.056337][ T5502] ? kobject_add+0x210/0x210
[ 248.060961][ T5502] ? __init_swait_queue_head+0xa5/0x150
[ 248.066528][ T5502] gfs2_sys_fs_add+0x234/0x480
[ 248.071277][ T5502] ? gfs2_recover_set+0x240/0x240
[ 248.076289][ T5502] ? snprintf+0xd7/0x120
[ 248.080542][ T5502] ? __free_pages+0x95/0x1a0
[ 248.085136][ T5502] ? vscnprintf+0x80/0x80
[ 248.089497][ T5502] gfs2_fill_super+0x128d/0x1f50
[ 248.094438][ T5502] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.099481][ T5502] ? preempt_count_add+0x8d/0x190
[ 248.104503][ T5502] ? sb_set_blocksize+0xa5/0xe0
[ 248.109335][ T5502] get_tree_bdev+0x3f1/0x610
[ 248.113911][ T5502] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.118921][ T5502] gfs2_get_tree+0x4d/0x1e0
[ 248.123410][ T5502] vfs_get_tree+0x88/0x270
[ 248.127892][ T5502] do_new_mount+0x24a/0xa40
[ 248.132393][ T5502] __se_sys_mount+0x2d6/0x3c0
[ 248.137223][ T5502] ? __x64_sys_mount+0xc0/0xc0
[ 248.141968][ T5502] ? lockdep_hardirqs_on+0x94/0x140
[ 248.147140][ T5502] ? __x64_sys_mount+0x1c/0xc0
[ 248.152055][ T5502] do_syscall_64+0x4c/0xa0
[ 248.156446][ T5502] ? clear_bhb_loop+0x30/0x80
[ 248.161112][ T5502] ? clear_bhb_loop+0x30/0x80
[ 248.165762][ T5502] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.171632][ T5502] RIP: 0033:0x7f08c743138a
[ 248.176028][ T5502] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 248.195809][ T5502] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.204277][ T5502] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 248.212229][ T5502] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 248.220195][ T5502] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 248.228148][ T5502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.236101][ T5502] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.244072][ T5502]
[ 248.248721][ T5502] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.261879][ T5502] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.560160][ T5504] loop1: detected capacity change from 0 to 32768
[ 248.663194][ T5504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.674721][ T5504] CPU: 0 PID: 5504 Comm: syz.1.211 Not tainted syzkaller #0
[ 248.682061][ T5504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 248.692231][ T5504] Call Trace:
[ 248.695569][ T5504]
[ 248.698526][ T5504] dump_stack_lvl+0x168/0x230
[ 248.703244][ T5504] ? show_regs_print_info+0x20/0x20
[ 248.708482][ T5504] ? load_image+0x3b0/0x3b0
[ 248.713034][ T5504] sysfs_create_dir_ns+0x252/0x280
[ 248.718179][ T5504] ? __lock_acquire+0x7c60/0x7c60
[ 248.723234][ T5504] ? sysfs_warn_dup+0xa0/0xa0
[ 248.727943][ T5504] ? do_raw_spin_unlock+0x11d/0x230
[ 248.733191][ T5504] kobject_add_internal+0x662/0xd00
[ 248.738443][ T5504] kobject_init_and_add+0x122/0x190
[ 248.743671][ T5504] ? lockdep_softirqs_off+0x420/0x420
[ 248.749077][ T5504] ? kobject_add+0x210/0x210
[ 248.753703][ T5504] ? __init_swait_queue_head+0xa5/0x150
[ 248.759282][ T5504] gfs2_sys_fs_add+0x234/0x480
[ 248.764073][ T5504] ? gfs2_recover_set+0x240/0x240
[ 248.769208][ T5504] ? snprintf+0xd7/0x120
[ 248.773473][ T5504] ? __free_pages+0x95/0x1a0
[ 248.778049][ T5504] ? vscnprintf+0x80/0x80
[ 248.782469][ T5504] gfs2_fill_super+0x128d/0x1f50
[ 248.787395][ T5504] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.792405][ T5504] ? preempt_count_add+0x8d/0x190
[ 248.797425][ T5504] ? sb_set_blocksize+0xa5/0xe0
[ 248.802264][ T5504] get_tree_bdev+0x3f1/0x610
[ 248.806857][ T5504] ? gfs2_reconfigure+0xcd0/0xcd0
[ 248.811862][ T5504] gfs2_get_tree+0x4d/0x1e0
[ 248.816355][ T5504] vfs_get_tree+0x88/0x270
[ 248.820773][ T5504] do_new_mount+0x24a/0xa40
[ 248.825260][ T5504] __se_sys_mount+0x2d6/0x3c0
[ 248.830009][ T5504] ? __x64_sys_mount+0xc0/0xc0
[ 248.834771][ T5504] ? lockdep_hardirqs_on+0x94/0x140
[ 248.839981][ T5504] ? __x64_sys_mount+0x1c/0xc0
[ 248.844917][ T5504] do_syscall_64+0x4c/0xa0
[ 248.849323][ T5504] ? clear_bhb_loop+0x30/0x80
[ 248.853975][ T5504] ? clear_bhb_loop+0x30/0x80
[ 248.858645][ T5504] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.864528][ T5504] RIP: 0033:0x7f08c743138a
[ 248.868927][ T5504] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 248.888628][ T5504] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.897023][ T5504] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 248.904975][ T5504] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 248.912932][ T5504] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 248.920896][ T5504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.928857][ T5504] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.936831][ T5504]
[ 248.941216][ T5504] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.954844][ T5504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.279607][ T5506] loop1: detected capacity change from 0 to 32768
[ 249.344321][ T5506] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.351755][ T5506] CPU: 1 PID: 5506 Comm: syz.1.212 Not tainted syzkaller #0
[ 249.359067][ T5506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 249.369150][ T5506] Call Trace:
[ 249.372542][ T5506]
[ 249.375498][ T5506] dump_stack_lvl+0x168/0x230
[ 249.380213][ T5506] ? show_regs_print_info+0x20/0x20
[ 249.385558][ T5506] ? load_image+0x3b0/0x3b0
[ 249.390112][ T5506] sysfs_create_dir_ns+0x252/0x280
[ 249.395266][ T5506] ? __lock_acquire+0x7c60/0x7c60
[ 249.400322][ T5506] ? sysfs_warn_dup+0xa0/0xa0
[ 249.405032][ T5506] ? do_raw_spin_unlock+0x11d/0x230
[ 249.410263][ T5506] kobject_add_internal+0x662/0xd00
[ 249.415501][ T5506] kobject_init_and_add+0x122/0x190
[ 249.420727][ T5506] ? lockdep_softirqs_off+0x420/0x420
[ 249.426151][ T5506] ? kobject_add+0x210/0x210
[ 249.430927][ T5506] ? __init_swait_queue_head+0xa5/0x150
[ 249.436471][ T5506] gfs2_sys_fs_add+0x234/0x480
[ 249.441333][ T5506] ? gfs2_recover_set+0x240/0x240
[ 249.446340][ T5506] ? snprintf+0xd7/0x120
[ 249.450563][ T5506] ? __free_pages+0x95/0x1a0
[ 249.455137][ T5506] ? vscnprintf+0x80/0x80
[ 249.459449][ T5506] gfs2_fill_super+0x128d/0x1f50
[ 249.464387][ T5506] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.469419][ T5506] ? preempt_count_add+0x8d/0x190
[ 249.474444][ T5506] ? sb_set_blocksize+0xa5/0xe0
[ 249.479282][ T5506] get_tree_bdev+0x3f1/0x610
[ 249.483853][ T5506] ? gfs2_reconfigure+0xcd0/0xcd0
[ 249.488950][ T5506] gfs2_get_tree+0x4d/0x1e0
[ 249.493565][ T5506] vfs_get_tree+0x88/0x270
[ 249.497960][ T5506] do_new_mount+0x24a/0xa40
[ 249.502452][ T5506] __se_sys_mount+0x2d6/0x3c0
[ 249.507111][ T5506] ? __x64_sys_mount+0xc0/0xc0
[ 249.511854][ T5506] ? lockdep_hardirqs_on+0x94/0x140
[ 249.517032][ T5506] ? __x64_sys_mount+0x1c/0xc0
[ 249.521773][ T5506] do_syscall_64+0x4c/0xa0
[ 249.526167][ T5506] ? clear_bhb_loop+0x30/0x80
[ 249.530822][ T5506] ? clear_bhb_loop+0x30/0x80
[ 249.535570][ T5506] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.541440][ T5506] RIP: 0033:0x7f08c743138a
[ 249.545844][ T5506] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 249.565978][ T5506] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.574397][ T5506] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 249.582353][ T5506] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 249.590390][ T5506] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 249.598353][ T5506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.606338][ T5506] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.614298][ T5506]
[ 249.627171][ T5506] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.640671][ T5506] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.956894][ T5508] loop1: detected capacity change from 0 to 32768
[ 250.003658][ T5508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.012286][ T5508] CPU: 1 PID: 5508 Comm: syz.1.213 Not tainted syzkaller #0
[ 250.019605][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 250.029683][ T5508] Call Trace:
[ 250.033010][ T5508]
[ 250.035970][ T5508] dump_stack_lvl+0x168/0x230
[ 250.040792][ T5508] ? show_regs_print_info+0x20/0x20
[ 250.046040][ T5508] ? load_image+0x3b0/0x3b0
[ 250.050595][ T5508] sysfs_create_dir_ns+0x252/0x280
[ 250.055741][ T5508] ? __lock_acquire+0x7c60/0x7c60
[ 250.060814][ T5508] ? sysfs_warn_dup+0xa0/0xa0
[ 250.065529][ T5508] ? do_raw_spin_unlock+0x11d/0x230
[ 250.070762][ T5508] kobject_add_internal+0x662/0xd00
[ 250.075992][ T5508] kobject_init_and_add+0x122/0x190
[ 250.081217][ T5508] ? lockdep_softirqs_off+0x420/0x420
[ 250.086723][ T5508] ? kobject_add+0x210/0x210
[ 250.091434][ T5508] ? __init_swait_queue_head+0xa5/0x150
[ 250.097016][ T5508] gfs2_sys_fs_add+0x234/0x480
[ 250.101820][ T5508] ? gfs2_recover_set+0x240/0x240
[ 250.106834][ T5508] ? snprintf+0xd7/0x120
[ 250.111076][ T5508] ? __free_pages+0x95/0x1a0
[ 250.115646][ T5508] ? vscnprintf+0x80/0x80
[ 250.119969][ T5508] gfs2_fill_super+0x128d/0x1f50
[ 250.124934][ T5508] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.129972][ T5508] ? preempt_count_add+0x8d/0x190
[ 250.135067][ T5508] ? sb_set_blocksize+0xa5/0xe0
[ 250.139914][ T5508] get_tree_bdev+0x3f1/0x610
[ 250.144505][ T5508] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.149548][ T5508] gfs2_get_tree+0x4d/0x1e0
[ 250.154041][ T5508] vfs_get_tree+0x88/0x270
[ 250.158478][ T5508] do_new_mount+0x24a/0xa40
[ 250.162977][ T5508] __se_sys_mount+0x2d6/0x3c0
[ 250.167693][ T5508] ? __x64_sys_mount+0xc0/0xc0
[ 250.172473][ T5508] ? lockdep_hardirqs_on+0x94/0x140
[ 250.177673][ T5508] ? __x64_sys_mount+0x1c/0xc0
[ 250.182416][ T5508] do_syscall_64+0x4c/0xa0
[ 250.186810][ T5508] ? clear_bhb_loop+0x30/0x80
[ 250.191464][ T5508] ? clear_bhb_loop+0x30/0x80
[ 250.196128][ T5508] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.202095][ T5508] RIP: 0033:0x7f08c743138a
[ 250.206493][ T5508] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 250.226094][ T5508] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.234501][ T5508] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 250.242449][ T5508] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 250.250403][ T5508] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 250.258456][ T5508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.266408][ T5508] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.274371][ T5508]
[ 250.280753][ T5508] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.294070][ T5508] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.592351][ T5510] loop1: detected capacity change from 0 to 32768
[ 250.644600][ T5510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.652019][ T5510] CPU: 0 PID: 5510 Comm: syz.1.214 Not tainted syzkaller #0
[ 250.659331][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 250.669506][ T5510] Call Trace:
[ 250.672815][ T5510]
[ 250.675777][ T5510] dump_stack_lvl+0x168/0x230
[ 250.680497][ T5510] ? show_regs_print_info+0x20/0x20
[ 250.685819][ T5510] ? load_image+0x3b0/0x3b0
[ 250.690366][ T5510] sysfs_create_dir_ns+0x252/0x280
[ 250.695510][ T5510] ? __lock_acquire+0x7c60/0x7c60
[ 250.700568][ T5510] ? sysfs_warn_dup+0xa0/0xa0
[ 250.705282][ T5510] ? do_raw_spin_unlock+0x11d/0x230
[ 250.710520][ T5510] kobject_add_internal+0x662/0xd00
[ 250.715785][ T5510] kobject_init_and_add+0x122/0x190
[ 250.721106][ T5510] ? lockdep_softirqs_off+0x420/0x420
[ 250.726606][ T5510] ? kobject_add+0x210/0x210
[ 250.731325][ T5510] ? __init_swait_queue_head+0xa5/0x150
[ 250.736906][ T5510] gfs2_sys_fs_add+0x234/0x480
[ 250.741708][ T5510] ? gfs2_recover_set+0x240/0x240
[ 250.746745][ T5510] ? snprintf+0xd7/0x120
[ 250.750993][ T5510] ? __free_pages+0x95/0x1a0
[ 250.755586][ T5510] ? vscnprintf+0x80/0x80
[ 250.759943][ T5510] gfs2_fill_super+0x128d/0x1f50
[ 250.764876][ T5510] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.769890][ T5510] ? preempt_count_add+0x8d/0x190
[ 250.774994][ T5510] ? sb_set_blocksize+0xa5/0xe0
[ 250.779835][ T5510] get_tree_bdev+0x3f1/0x610
[ 250.784408][ T5510] ? gfs2_reconfigure+0xcd0/0xcd0
[ 250.789410][ T5510] gfs2_get_tree+0x4d/0x1e0
[ 250.793997][ T5510] vfs_get_tree+0x88/0x270
[ 250.798424][ T5510] do_new_mount+0x24a/0xa40
[ 250.802926][ T5510] __se_sys_mount+0x2d6/0x3c0
[ 250.807586][ T5510] ? __x64_sys_mount+0xc0/0xc0
[ 250.812419][ T5510] ? lockdep_hardirqs_on+0x94/0x140
[ 250.817606][ T5510] ? __x64_sys_mount+0x1c/0xc0
[ 250.822368][ T5510] do_syscall_64+0x4c/0xa0
[ 250.826776][ T5510] ? clear_bhb_loop+0x30/0x80
[ 250.831436][ T5510] ? clear_bhb_loop+0x30/0x80
[ 250.836178][ T5510] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.842048][ T5510] RIP: 0033:0x7f08c743138a
[ 250.846530][ T5510] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 250.866292][ T5510] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.874694][ T5510] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 250.882661][ T5510] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 250.890624][ T5510] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 250.898576][ T5510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.906567][ T5510] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.914555][ T5510]
[ 250.918916][ T5510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.932314][ T5510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.253016][ T5512] loop1: detected capacity change from 0 to 32768
[ 251.296927][ T5512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.305310][ T5512] CPU: 1 PID: 5512 Comm: syz.1.215 Not tainted syzkaller #0
[ 251.312823][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 251.322921][ T5512] Call Trace:
[ 251.326231][ T5512]
[ 251.329196][ T5512] dump_stack_lvl+0x168/0x230
[ 251.333910][ T5512] ? show_regs_print_info+0x20/0x20
[ 251.339140][ T5512] ? load_image+0x3b0/0x3b0
[ 251.343689][ T5512] sysfs_create_dir_ns+0x252/0x280
[ 251.348831][ T5512] ? __lock_acquire+0x7c60/0x7c60
[ 251.353904][ T5512] ? sysfs_warn_dup+0xa0/0xa0
[ 251.358628][ T5512] ? do_raw_spin_unlock+0x11d/0x230
[ 251.363867][ T5512] kobject_add_internal+0x662/0xd00
[ 251.369100][ T5512] kobject_init_and_add+0x122/0x190
[ 251.374330][ T5512] ? lockdep_softirqs_off+0x420/0x420
[ 251.379734][ T5512] ? kobject_add+0x210/0x210
[ 251.384354][ T5512] ? __init_swait_queue_head+0xa5/0x150
[ 251.390015][ T5512] gfs2_sys_fs_add+0x234/0x480
[ 251.394796][ T5512] ? gfs2_recover_set+0x240/0x240
[ 251.399805][ T5512] ? snprintf+0xd7/0x120
[ 251.404040][ T5512] ? __free_pages+0x95/0x1a0
[ 251.408650][ T5512] ? vscnprintf+0x80/0x80
[ 251.413021][ T5512] gfs2_fill_super+0x128d/0x1f50
[ 251.417972][ T5512] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.422985][ T5512] ? preempt_count_add+0x8d/0x190
[ 251.428000][ T5512] ? sb_set_blocksize+0xa5/0xe0
[ 251.432840][ T5512] get_tree_bdev+0x3f1/0x610
[ 251.437409][ T5512] ? gfs2_reconfigure+0xcd0/0xcd0
[ 251.442412][ T5512] gfs2_get_tree+0x4d/0x1e0
[ 251.446906][ T5512] vfs_get_tree+0x88/0x270
[ 251.451475][ T5512] do_new_mount+0x24a/0xa40
[ 251.455963][ T5512] __se_sys_mount+0x2d6/0x3c0
[ 251.460619][ T5512] ? __x64_sys_mount+0xc0/0xc0
[ 251.465478][ T5512] ? lockdep_hardirqs_on+0x94/0x140
[ 251.470695][ T5512] ? __x64_sys_mount+0x1c/0xc0
[ 251.475439][ T5512] do_syscall_64+0x4c/0xa0
[ 251.479833][ T5512] ? clear_bhb_loop+0x30/0x80
[ 251.484508][ T5512] ? clear_bhb_loop+0x30/0x80
[ 251.489177][ T5512] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.495062][ T5512] RIP: 0033:0x7f08c743138a
[ 251.499470][ T5512] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 251.519226][ T5512] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.527633][ T5512] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 251.535622][ T5512] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 251.543587][ T5512] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 251.551552][ T5512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.559535][ T5512] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.567566][ T5512]
[ 251.571896][ T5512] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.585242][ T5512] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.876326][ T5514] loop1: detected capacity change from 0 to 32768
[ 251.923974][ T5514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.931765][ T5514] CPU: 1 PID: 5514 Comm: syz.1.216 Not tainted syzkaller #0
[ 251.939093][ T5514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 251.949277][ T5514] Call Trace:
[ 251.952578][ T5514]
[ 251.955526][ T5514] dump_stack_lvl+0x168/0x230
[ 251.960255][ T5514] ? show_regs_print_info+0x20/0x20
[ 251.965486][ T5514] ? load_image+0x3b0/0x3b0
[ 251.970122][ T5514] sysfs_create_dir_ns+0x252/0x280
[ 251.975270][ T5514] ? __lock_acquire+0x7c60/0x7c60
[ 251.980318][ T5514] ? sysfs_warn_dup+0xa0/0xa0
[ 251.985026][ T5514] ? do_raw_spin_unlock+0x11d/0x230
[ 251.990258][ T5514] kobject_add_internal+0x662/0xd00
[ 251.995497][ T5514] kobject_init_and_add+0x122/0x190
[ 252.000719][ T5514] ? lockdep_softirqs_off+0x420/0x420
[ 252.006136][ T5514] ? kobject_add+0x210/0x210
[ 252.010723][ T5514] ? __init_swait_queue_head+0xa5/0x150
[ 252.016252][ T5514] gfs2_sys_fs_add+0x234/0x480
[ 252.021010][ T5514] ? gfs2_recover_set+0x240/0x240
[ 252.026018][ T5514] ? snprintf+0xd7/0x120
[ 252.030262][ T5514] ? __free_pages+0x95/0x1a0
[ 252.034854][ T5514] ? vscnprintf+0x80/0x80
[ 252.039214][ T5514] gfs2_fill_super+0x128d/0x1f50
[ 252.044140][ T5514] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.049162][ T5514] ? preempt_count_add+0x8d/0x190
[ 252.054254][ T5514] ? sb_set_blocksize+0xa5/0xe0
[ 252.059096][ T5514] get_tree_bdev+0x3f1/0x610
[ 252.063671][ T5514] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.068773][ T5514] gfs2_get_tree+0x4d/0x1e0
[ 252.073265][ T5514] vfs_get_tree+0x88/0x270
[ 252.077686][ T5514] do_new_mount+0x24a/0xa40
[ 252.082169][ T5514] __se_sys_mount+0x2d6/0x3c0
[ 252.086853][ T5514] ? __x64_sys_mount+0xc0/0xc0
[ 252.091625][ T5514] ? lockdep_hardirqs_on+0x94/0x140
[ 252.096893][ T5514] ? __x64_sys_mount+0x1c/0xc0
[ 252.101729][ T5514] do_syscall_64+0x4c/0xa0
[ 252.106122][ T5514] ? clear_bhb_loop+0x30/0x80
[ 252.110779][ T5514] ? clear_bhb_loop+0x30/0x80
[ 252.115574][ T5514] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.121465][ T5514] RIP: 0033:0x7f08c743138a
[ 252.125860][ T5514] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 252.145466][ T5514] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.153860][ T5514] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 252.161819][ T5514] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 252.169767][ T5514] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 252.177803][ T5514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.185848][ T5514] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.193833][ T5514]
[ 252.198162][ T5514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.211743][ T5514] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.530991][ T5516] loop1: detected capacity change from 0 to 32768
[ 252.585376][ T5516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.592810][ T5516] CPU: 1 PID: 5516 Comm: syz.1.217 Not tainted syzkaller #0
[ 252.600184][ T5516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 252.610264][ T5516] Call Trace:
[ 252.613565][ T5516]
[ 252.616561][ T5516] dump_stack_lvl+0x168/0x230
[ 252.621279][ T5516] ? show_regs_print_info+0x20/0x20
[ 252.626505][ T5516] ? load_image+0x3b0/0x3b0
[ 252.631059][ T5516] sysfs_create_dir_ns+0x252/0x280
[ 252.636209][ T5516] ? __lock_acquire+0x7c60/0x7c60
[ 252.641260][ T5516] ? sysfs_warn_dup+0xa0/0xa0
[ 252.645969][ T5516] ? do_raw_spin_unlock+0x11d/0x230
[ 252.651197][ T5516] kobject_add_internal+0x662/0xd00
[ 252.656666][ T5516] kobject_init_and_add+0x122/0x190
[ 252.662075][ T5516] ? lockdep_softirqs_off+0x420/0x420
[ 252.667542][ T5516] ? kobject_add+0x210/0x210
[ 252.672170][ T5516] ? __init_swait_queue_head+0xa5/0x150
[ 252.677754][ T5516] gfs2_sys_fs_add+0x234/0x480
[ 252.682563][ T5516] ? gfs2_recover_set+0x240/0x240
[ 252.687576][ T5516] ? snprintf+0xd7/0x120
[ 252.691918][ T5516] ? __free_pages+0x95/0x1a0
[ 252.696537][ T5516] ? vscnprintf+0x80/0x80
[ 252.700876][ T5516] gfs2_fill_super+0x128d/0x1f50
[ 252.705820][ T5516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.710921][ T5516] ? preempt_count_add+0x8d/0x190
[ 252.715936][ T5516] ? sb_set_blocksize+0xa5/0xe0
[ 252.720789][ T5516] get_tree_bdev+0x3f1/0x610
[ 252.725365][ T5516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 252.730369][ T5516] gfs2_get_tree+0x4d/0x1e0
[ 252.734849][ T5516] vfs_get_tree+0x88/0x270
[ 252.739294][ T5516] do_new_mount+0x24a/0xa40
[ 252.743868][ T5516] __se_sys_mount+0x2d6/0x3c0
[ 252.748523][ T5516] ? __x64_sys_mount+0xc0/0xc0
[ 252.753267][ T5516] ? lockdep_hardirqs_on+0x94/0x140
[ 252.758450][ T5516] ? __x64_sys_mount+0x1c/0xc0
[ 252.763205][ T5516] do_syscall_64+0x4c/0xa0
[ 252.767605][ T5516] ? clear_bhb_loop+0x30/0x80
[ 252.772278][ T5516] ? clear_bhb_loop+0x30/0x80
[ 252.777030][ T5516] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.782992][ T5516] RIP: 0033:0x7f08c743138a
[ 252.787385][ T5516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 252.806983][ T5516] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.815388][ T5516] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 252.823338][ T5516] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 252.831293][ T5516] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 252.839244][ T5516] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.847224][ T5516] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.855290][ T5516]
[ 252.868369][ T5516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.881892][ T5516] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:19:11 executed programs: 203
[ 253.191481][ T5518] loop1: detected capacity change from 0 to 32768
[ 253.243465][ T5518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.251519][ T5518] CPU: 1 PID: 5518 Comm: syz.1.218 Not tainted syzkaller #0
[ 253.258873][ T5518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 253.268961][ T5518] Call Trace:
[ 253.272272][ T5518]
[ 253.275233][ T5518] dump_stack_lvl+0x168/0x230
[ 253.279953][ T5518] ? show_regs_print_info+0x20/0x20
[ 253.285270][ T5518] ? load_image+0x3b0/0x3b0
[ 253.289824][ T5518] sysfs_create_dir_ns+0x252/0x280
[ 253.295124][ T5518] ? __lock_acquire+0x7c60/0x7c60
[ 253.300200][ T5518] ? sysfs_warn_dup+0xa0/0xa0
[ 253.304913][ T5518] ? do_raw_spin_unlock+0x11d/0x230
[ 253.310143][ T5518] kobject_add_internal+0x662/0xd00
[ 253.315373][ T5518] kobject_init_and_add+0x122/0x190
[ 253.320682][ T5518] ? lockdep_softirqs_off+0x420/0x420
[ 253.326209][ T5518] ? kobject_add+0x210/0x210
[ 253.330833][ T5518] ? __init_swait_queue_head+0xa5/0x150
[ 253.336398][ T5518] gfs2_sys_fs_add+0x234/0x480
[ 253.341156][ T5518] ? gfs2_recover_set+0x240/0x240
[ 253.346176][ T5518] ? snprintf+0xd7/0x120
[ 253.350448][ T5518] ? __free_pages+0x95/0x1a0
[ 253.355033][ T5518] ? vscnprintf+0x80/0x80
[ 253.359348][ T5518] gfs2_fill_super+0x128d/0x1f50
[ 253.364379][ T5518] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.369413][ T5518] ? preempt_count_add+0x8d/0x190
[ 253.374419][ T5518] ? sb_set_blocksize+0xa5/0xe0
[ 253.379436][ T5518] get_tree_bdev+0x3f1/0x610
[ 253.384011][ T5518] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.389029][ T5518] gfs2_get_tree+0x4d/0x1e0
[ 253.393511][ T5518] vfs_get_tree+0x88/0x270
[ 253.397905][ T5518] do_new_mount+0x24a/0xa40
[ 253.402400][ T5518] __se_sys_mount+0x2d6/0x3c0
[ 253.407069][ T5518] ? __x64_sys_mount+0xc0/0xc0
[ 253.411811][ T5518] ? lockdep_hardirqs_on+0x94/0x140
[ 253.416990][ T5518] ? __x64_sys_mount+0x1c/0xc0
[ 253.421832][ T5518] do_syscall_64+0x4c/0xa0
[ 253.426228][ T5518] ? clear_bhb_loop+0x30/0x80
[ 253.430900][ T5518] ? clear_bhb_loop+0x30/0x80
[ 253.435709][ T5518] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.441607][ T5518] RIP: 0033:0x7f08c743138a
[ 253.446019][ T5518] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 253.465653][ T5518] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.474178][ T5518] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 253.482146][ T5518] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 253.490102][ T5518] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 253.498250][ T5518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.506209][ T5518] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.514183][ T5518]
[ 253.518679][ T5518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.532010][ T5518] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.833478][ T5520] loop1: detected capacity change from 0 to 32768
[ 253.870203][ T5520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.878250][ T5520] CPU: 0 PID: 5520 Comm: syz.1.219 Not tainted syzkaller #0
[ 253.885586][ T5520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 253.895758][ T5520] Call Trace:
[ 253.899070][ T5520]
[ 253.902029][ T5520] dump_stack_lvl+0x168/0x230
[ 253.906743][ T5520] ? show_regs_print_info+0x20/0x20
[ 253.911991][ T5520] ? load_image+0x3b0/0x3b0
[ 253.916593][ T5520] sysfs_create_dir_ns+0x252/0x280
[ 253.921835][ T5520] ? __lock_acquire+0x7c60/0x7c60
[ 253.926893][ T5520] ? sysfs_warn_dup+0xa0/0xa0
[ 253.931602][ T5520] ? do_raw_spin_unlock+0x11d/0x230
[ 253.936830][ T5520] kobject_add_internal+0x662/0xd00
[ 253.942063][ T5520] kobject_init_and_add+0x122/0x190
[ 253.947289][ T5520] ? lockdep_softirqs_off+0x420/0x420
[ 253.952805][ T5520] ? kobject_add+0x210/0x210
[ 253.957435][ T5520] ? __init_swait_queue_head+0xa5/0x150
[ 253.963030][ T5520] gfs2_sys_fs_add+0x234/0x480
[ 253.967793][ T5520] ? gfs2_recover_set+0x240/0x240
[ 253.972802][ T5520] ? snprintf+0xd7/0x120
[ 253.977027][ T5520] ? __free_pages+0x95/0x1a0
[ 253.981600][ T5520] ? vscnprintf+0x80/0x80
[ 253.985916][ T5520] gfs2_fill_super+0x128d/0x1f50
[ 253.990839][ T5520] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.995841][ T5520] ? preempt_count_add+0x8d/0x190
[ 254.000849][ T5520] ? sb_set_blocksize+0xa5/0xe0
[ 254.005688][ T5520] get_tree_bdev+0x3f1/0x610
[ 254.010271][ T5520] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.015299][ T5520] gfs2_get_tree+0x4d/0x1e0
[ 254.019792][ T5520] vfs_get_tree+0x88/0x270
[ 254.024199][ T5520] do_new_mount+0x24a/0xa40
[ 254.028702][ T5520] __se_sys_mount+0x2d6/0x3c0
[ 254.033377][ T5520] ? __x64_sys_mount+0xc0/0xc0
[ 254.038126][ T5520] ? lockdep_hardirqs_on+0x94/0x140
[ 254.043315][ T5520] ? __x64_sys_mount+0x1c/0xc0
[ 254.048074][ T5520] do_syscall_64+0x4c/0xa0
[ 254.052574][ T5520] ? clear_bhb_loop+0x30/0x80
[ 254.057316][ T5520] ? clear_bhb_loop+0x30/0x80
[ 254.061976][ T5520] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.067937][ T5520] RIP: 0033:0x7f08c743138a
[ 254.072367][ T5520] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 254.091951][ T5520] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.100354][ T5520] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 254.108336][ T5520] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 254.116286][ T5520] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 254.124243][ T5520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.132209][ T5520] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.140177][ T5520]
[ 254.145125][ T5520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.158429][ T5520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.451991][ T5522] loop1: detected capacity change from 0 to 32768
[ 254.471760][ T5522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.479257][ T5522] CPU: 0 PID: 5522 Comm: syz.1.220 Not tainted syzkaller #0
[ 254.486569][ T5522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 254.496780][ T5522] Call Trace:
[ 254.500092][ T5522]
[ 254.503043][ T5522] dump_stack_lvl+0x168/0x230
[ 254.507923][ T5522] ? show_regs_print_info+0x20/0x20
[ 254.513164][ T5522] ? load_image+0x3b0/0x3b0
[ 254.517720][ T5522] sysfs_create_dir_ns+0x252/0x280
[ 254.522877][ T5522] ? __lock_acquire+0x7c60/0x7c60
[ 254.527933][ T5522] ? sysfs_warn_dup+0xa0/0xa0
[ 254.532656][ T5522] ? do_raw_spin_unlock+0x11d/0x230
[ 254.537898][ T5522] kobject_add_internal+0x662/0xd00
[ 254.543135][ T5522] kobject_init_and_add+0x122/0x190
[ 254.548448][ T5522] ? lockdep_softirqs_off+0x420/0x420
[ 254.553851][ T5522] ? kobject_add+0x210/0x210
[ 254.558634][ T5522] ? __init_swait_queue_head+0xa5/0x150
[ 254.564181][ T5522] gfs2_sys_fs_add+0x234/0x480
[ 254.569030][ T5522] ? gfs2_recover_set+0x240/0x240
[ 254.574129][ T5522] ? snprintf+0xd7/0x120
[ 254.578355][ T5522] ? __free_pages+0x95/0x1a0
[ 254.582932][ T5522] ? vscnprintf+0x80/0x80
[ 254.587264][ T5522] gfs2_fill_super+0x128d/0x1f50
[ 254.592205][ T5522] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.597219][ T5522] ? preempt_count_add+0x8d/0x190
[ 254.602238][ T5522] ? sb_set_blocksize+0xa5/0xe0
[ 254.607079][ T5522] get_tree_bdev+0x3f1/0x610
[ 254.611672][ T5522] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.616696][ T5522] gfs2_get_tree+0x4d/0x1e0
[ 254.621209][ T5522] vfs_get_tree+0x88/0x270
[ 254.625629][ T5522] do_new_mount+0x24a/0xa40
[ 254.630131][ T5522] __se_sys_mount+0x2d6/0x3c0
[ 254.634820][ T5522] ? __x64_sys_mount+0xc0/0xc0
[ 254.639793][ T5522] ? lockdep_hardirqs_on+0x94/0x140
[ 254.644993][ T5522] ? __x64_sys_mount+0x1c/0xc0
[ 254.649761][ T5522] do_syscall_64+0x4c/0xa0
[ 254.654169][ T5522] ? clear_bhb_loop+0x30/0x80
[ 254.658853][ T5522] ? clear_bhb_loop+0x30/0x80
[ 254.663609][ T5522] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.669576][ T5522] RIP: 0033:0x7f08c743138a
[ 254.673976][ T5522] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 254.693875][ T5522] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.702302][ T5522] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 254.710270][ T5522] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 254.718356][ T5522] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 254.726309][ T5522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.734402][ T5522] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.742425][ T5522]
[ 254.747060][ T5522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.760429][ T5522] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.054121][ T5524] loop1: detected capacity change from 0 to 32768
[ 255.065164][ T5524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.073801][ T5524] CPU: 1 PID: 5524 Comm: syz.1.221 Not tainted syzkaller #0
[ 255.081131][ T5524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 255.091208][ T5524] Call Trace:
[ 255.094524][ T5524]
[ 255.097483][ T5524] dump_stack_lvl+0x168/0x230
[ 255.102201][ T5524] ? show_regs_print_info+0x20/0x20
[ 255.107452][ T5524] ? load_image+0x3b0/0x3b0
[ 255.111996][ T5524] sysfs_create_dir_ns+0x252/0x280
[ 255.117180][ T5524] ? __lock_acquire+0x7c60/0x7c60
[ 255.122626][ T5524] ? sysfs_warn_dup+0xa0/0xa0
[ 255.127391][ T5524] ? do_raw_spin_unlock+0x11d/0x230
[ 255.132583][ T5524] kobject_add_internal+0x662/0xd00
[ 255.137783][ T5524] kobject_init_and_add+0x122/0x190
[ 255.143032][ T5524] ? lockdep_softirqs_off+0x420/0x420
[ 255.148427][ T5524] ? kobject_add+0x210/0x210
[ 255.153022][ T5524] ? __init_swait_queue_head+0xa5/0x150
[ 255.158556][ T5524] gfs2_sys_fs_add+0x234/0x480
[ 255.163416][ T5524] ? gfs2_recover_set+0x240/0x240
[ 255.168417][ T5524] ? snprintf+0xd7/0x120
[ 255.172638][ T5524] ? __free_pages+0x95/0x1a0
[ 255.177211][ T5524] ? vscnprintf+0x80/0x80
[ 255.181534][ T5524] gfs2_fill_super+0x128d/0x1f50
[ 255.186546][ T5524] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.191577][ T5524] ? preempt_count_add+0x8d/0x190
[ 255.196587][ T5524] ? sb_set_blocksize+0xa5/0xe0
[ 255.201415][ T5524] get_tree_bdev+0x3f1/0x610
[ 255.206004][ T5524] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.211018][ T5524] gfs2_get_tree+0x4d/0x1e0
[ 255.215498][ T5524] vfs_get_tree+0x88/0x270
[ 255.219896][ T5524] do_new_mount+0x24a/0xa40
[ 255.224485][ T5524] __se_sys_mount+0x2d6/0x3c0
[ 255.229168][ T5524] ? __x64_sys_mount+0xc0/0xc0
[ 255.233907][ T5524] ? lockdep_hardirqs_on+0x94/0x140
[ 255.239081][ T5524] ? __x64_sys_mount+0x1c/0xc0
[ 255.243840][ T5524] do_syscall_64+0x4c/0xa0
[ 255.248425][ T5524] ? clear_bhb_loop+0x30/0x80
[ 255.253095][ T5524] ? clear_bhb_loop+0x30/0x80
[ 255.257767][ T5524] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.263642][ T5524] RIP: 0033:0x7f08c743138a
[ 255.268039][ T5524] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 255.287741][ T5524] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.296146][ T5524] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 255.304104][ T5524] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 255.312085][ T5524] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 255.320041][ T5524] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.328091][ T5524] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.336049][ T5524]
[ 255.342335][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.344391][ T5524] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.348726][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.361828][ T5524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.681473][ T5526] loop1: detected capacity change from 0 to 32768
[ 255.700371][ T5526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.707871][ T5526] CPU: 1 PID: 5526 Comm: syz.1.222 Not tainted syzkaller #0
[ 255.715197][ T5526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 255.725286][ T5526] Call Trace:
[ 255.728591][ T5526]
[ 255.731546][ T5526] dump_stack_lvl+0x168/0x230
[ 255.736348][ T5526] ? show_regs_print_info+0x20/0x20
[ 255.741604][ T5526] ? load_image+0x3b0/0x3b0
[ 255.746329][ T5526] sysfs_create_dir_ns+0x252/0x280
[ 255.751478][ T5526] ? __lock_acquire+0x7c60/0x7c60
[ 255.756633][ T5526] ? sysfs_warn_dup+0xa0/0xa0
[ 255.761338][ T5526] ? do_raw_spin_unlock+0x11d/0x230
[ 255.766619][ T5526] kobject_add_internal+0x662/0xd00
[ 255.771858][ T5526] kobject_init_and_add+0x122/0x190
[ 255.777084][ T5526] ? lockdep_softirqs_off+0x420/0x420
[ 255.782476][ T5526] ? kobject_add+0x210/0x210
[ 255.787071][ T5526] ? __init_swait_queue_head+0xa5/0x150
[ 255.792618][ T5526] gfs2_sys_fs_add+0x234/0x480
[ 255.797369][ T5526] ? gfs2_recover_set+0x240/0x240
[ 255.802373][ T5526] ? snprintf+0xd7/0x120
[ 255.806597][ T5526] ? __free_pages+0x95/0x1a0
[ 255.811170][ T5526] ? vscnprintf+0x80/0x80
[ 255.815553][ T5526] gfs2_fill_super+0x128d/0x1f50
[ 255.820525][ T5526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.825529][ T5526] ? preempt_count_add+0x8d/0x190
[ 255.830551][ T5526] ? sb_set_blocksize+0xa5/0xe0
[ 255.835402][ T5526] get_tree_bdev+0x3f1/0x610
[ 255.840015][ T5526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.845034][ T5526] gfs2_get_tree+0x4d/0x1e0
[ 255.849556][ T5526] vfs_get_tree+0x88/0x270
[ 255.853955][ T5526] do_new_mount+0x24a/0xa40
[ 255.858459][ T5526] __se_sys_mount+0x2d6/0x3c0
[ 255.863177][ T5526] ? __x64_sys_mount+0xc0/0xc0
[ 255.867947][ T5526] ? lockdep_hardirqs_on+0x94/0x140
[ 255.873167][ T5526] ? __x64_sys_mount+0x1c/0xc0
[ 255.877918][ T5526] do_syscall_64+0x4c/0xa0
[ 255.882430][ T5526] ? clear_bhb_loop+0x30/0x80
[ 255.887108][ T5526] ? clear_bhb_loop+0x30/0x80
[ 255.891780][ T5526] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.897683][ T5526] RIP: 0033:0x7f08c743138a
[ 255.902091][ T5526] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 255.921797][ T5526] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.930745][ T5526] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 255.938700][ T5526] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 255.946652][ T5526] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 255.954625][ T5526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.962609][ T5526] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.970625][ T5526]
[ 255.975179][ T5526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.988356][ T5526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.320058][ T5528] loop1: detected capacity change from 0 to 32768
[ 256.357556][ T5528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.365779][ T5528] CPU: 1 PID: 5528 Comm: syz.1.223 Not tainted syzkaller #0
[ 256.373107][ T5528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 256.383183][ T5528] Call Trace:
[ 256.386484][ T5528]
[ 256.389436][ T5528] dump_stack_lvl+0x168/0x230
[ 256.394150][ T5528] ? show_regs_print_info+0x20/0x20
[ 256.399472][ T5528] ? load_image+0x3b0/0x3b0
[ 256.404010][ T5528] sysfs_create_dir_ns+0x252/0x280
[ 256.409153][ T5528] ? __lock_acquire+0x7c60/0x7c60
[ 256.414297][ T5528] ? sysfs_warn_dup+0xa0/0xa0
[ 256.419007][ T5528] ? do_raw_spin_unlock+0x11d/0x230
[ 256.424228][ T5528] kobject_add_internal+0x662/0xd00
[ 256.429454][ T5528] kobject_init_and_add+0x122/0x190
[ 256.434685][ T5528] ? lockdep_softirqs_off+0x420/0x420
[ 256.440086][ T5528] ? kobject_add+0x210/0x210
[ 256.444710][ T5528] ? __init_swait_queue_head+0xa5/0x150
[ 256.450356][ T5528] gfs2_sys_fs_add+0x234/0x480
[ 256.455103][ T5528] ? gfs2_recover_set+0x240/0x240
[ 256.460109][ T5528] ? snprintf+0xd7/0x120
[ 256.464335][ T5528] ? __free_pages+0x95/0x1a0
[ 256.468923][ T5528] ? vscnprintf+0x80/0x80
[ 256.473233][ T5528] gfs2_fill_super+0x128d/0x1f50
[ 256.478156][ T5528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.483162][ T5528] ? preempt_count_add+0x8d/0x190
[ 256.488170][ T5528] ? sb_set_blocksize+0xa5/0xe0
[ 256.493011][ T5528] get_tree_bdev+0x3f1/0x610
[ 256.497595][ T5528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.502610][ T5528] gfs2_get_tree+0x4d/0x1e0
[ 256.507099][ T5528] vfs_get_tree+0x88/0x270
[ 256.511521][ T5528] do_new_mount+0x24a/0xa40
[ 256.516034][ T5528] __se_sys_mount+0x2d6/0x3c0
[ 256.520702][ T5528] ? __x64_sys_mount+0xc0/0xc0
[ 256.525497][ T5528] ? lockdep_hardirqs_on+0x94/0x140
[ 256.530721][ T5528] ? __x64_sys_mount+0x1c/0xc0
[ 256.535478][ T5528] do_syscall_64+0x4c/0xa0
[ 256.539881][ T5528] ? clear_bhb_loop+0x30/0x80
[ 256.544557][ T5528] ? clear_bhb_loop+0x30/0x80
[ 256.549213][ T5528] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.555087][ T5528] RIP: 0033:0x7f08c743138a
[ 256.559613][ T5528] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 256.579223][ T5528] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.587621][ T5528] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 256.595594][ T5528] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 256.603630][ T5528] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 256.611582][ T5528] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.619641][ T5528] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.627617][ T5528]
[ 256.631882][ T5528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.645543][ T5528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.934453][ T5530] loop1: detected capacity change from 0 to 32768
[ 256.986610][ T5530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.994188][ T5530] CPU: 1 PID: 5530 Comm: syz.1.224 Not tainted syzkaller #0
[ 257.001501][ T5530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 257.011791][ T5530] Call Trace:
[ 257.015095][ T5530]
[ 257.018041][ T5530] dump_stack_lvl+0x168/0x230
[ 257.022752][ T5530] ? show_regs_print_info+0x20/0x20
[ 257.028076][ T5530] ? load_image+0x3b0/0x3b0
[ 257.032742][ T5530] sysfs_create_dir_ns+0x252/0x280
[ 257.037889][ T5530] ? __lock_acquire+0x7c60/0x7c60
[ 257.042939][ T5530] ? sysfs_warn_dup+0xa0/0xa0
[ 257.047646][ T5530] ? do_raw_spin_unlock+0x11d/0x230
[ 257.052874][ T5530] kobject_add_internal+0x662/0xd00
[ 257.058102][ T5530] kobject_init_and_add+0x122/0x190
[ 257.063328][ T5530] ? lockdep_softirqs_off+0x420/0x420
[ 257.068834][ T5530] ? kobject_add+0x210/0x210
[ 257.073409][ T5530] ? __init_swait_queue_head+0xa5/0x150
[ 257.078938][ T5530] gfs2_sys_fs_add+0x234/0x480
[ 257.083705][ T5530] ? gfs2_recover_set+0x240/0x240
[ 257.088704][ T5530] ? snprintf+0xd7/0x120
[ 257.092924][ T5530] ? __free_pages+0x95/0x1a0
[ 257.097491][ T5530] ? vscnprintf+0x80/0x80
[ 257.101817][ T5530] gfs2_fill_super+0x128d/0x1f50
[ 257.106866][ T5530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.111982][ T5530] ? preempt_count_add+0x8d/0x190
[ 257.117038][ T5530] ? sb_set_blocksize+0xa5/0xe0
[ 257.121882][ T5530] get_tree_bdev+0x3f1/0x610
[ 257.126459][ T5530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.131469][ T5530] gfs2_get_tree+0x4d/0x1e0
[ 257.135952][ T5530] vfs_get_tree+0x88/0x270
[ 257.140356][ T5530] do_new_mount+0x24a/0xa40
[ 257.144850][ T5530] __se_sys_mount+0x2d6/0x3c0
[ 257.149559][ T5530] ? __x64_sys_mount+0xc0/0xc0
[ 257.154315][ T5530] ? lockdep_hardirqs_on+0x94/0x140
[ 257.159515][ T5530] ? __x64_sys_mount+0x1c/0xc0
[ 257.164270][ T5530] do_syscall_64+0x4c/0xa0
[ 257.168676][ T5530] ? clear_bhb_loop+0x30/0x80
[ 257.173425][ T5530] ? clear_bhb_loop+0x30/0x80
[ 257.178096][ T5530] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.183968][ T5530] RIP: 0033:0x7f08c743138a
[ 257.188380][ T5530] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 257.207993][ T5530] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.216388][ T5530] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 257.224773][ T5530] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 257.232734][ T5530] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 257.240782][ T5530] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.248756][ T5530] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.256721][ T5530]
[ 257.261065][ T5530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.274663][ T5530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.597882][ T5532] loop1: detected capacity change from 0 to 32768
[ 257.614491][ T5532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.621922][ T5532] CPU: 0 PID: 5532 Comm: syz.1.225 Not tainted syzkaller #0
[ 257.629242][ T5532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 257.639329][ T5532] Call Trace:
[ 257.642639][ T5532]
[ 257.645591][ T5532] dump_stack_lvl+0x168/0x230
[ 257.650306][ T5532] ? show_regs_print_info+0x20/0x20
[ 257.655552][ T5532] ? load_image+0x3b0/0x3b0
[ 257.660048][ T5532] sysfs_create_dir_ns+0x252/0x280
[ 257.665150][ T5532] ? __lock_acquire+0x7c60/0x7c60
[ 257.670191][ T5532] ? sysfs_warn_dup+0xa0/0xa0
[ 257.674848][ T5532] ? do_raw_spin_unlock+0x11d/0x230
[ 257.680030][ T5532] kobject_add_internal+0x662/0xd00
[ 257.685218][ T5532] kobject_init_and_add+0x122/0x190
[ 257.690393][ T5532] ? lockdep_softirqs_off+0x420/0x420
[ 257.695767][ T5532] ? kobject_add+0x210/0x210
[ 257.700393][ T5532] ? __init_swait_queue_head+0xa5/0x150
[ 257.705952][ T5532] gfs2_sys_fs_add+0x234/0x480
[ 257.710835][ T5532] ? gfs2_recover_set+0x240/0x240
[ 257.715853][ T5532] ? snprintf+0xd7/0x120
[ 257.720117][ T5532] ? __free_pages+0x95/0x1a0
[ 257.724698][ T5532] ? vscnprintf+0x80/0x80
[ 257.729108][ T5532] gfs2_fill_super+0x128d/0x1f50
[ 257.734145][ T5532] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.739202][ T5532] ? preempt_count_add+0x8d/0x190
[ 257.744250][ T5532] ? sb_set_blocksize+0xa5/0xe0
[ 257.749173][ T5532] get_tree_bdev+0x3f1/0x610
[ 257.753845][ T5532] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.758851][ T5532] gfs2_get_tree+0x4d/0x1e0
[ 257.763334][ T5532] vfs_get_tree+0x88/0x270
[ 257.767740][ T5532] do_new_mount+0x24a/0xa40
[ 257.772242][ T5532] __se_sys_mount+0x2d6/0x3c0
[ 257.776903][ T5532] ? __x64_sys_mount+0xc0/0xc0
[ 257.781650][ T5532] ? lockdep_hardirqs_on+0x94/0x140
[ 257.786830][ T5532] ? __x64_sys_mount+0x1c/0xc0
[ 257.791572][ T5532] do_syscall_64+0x4c/0xa0
[ 257.796044][ T5532] ? clear_bhb_loop+0x30/0x80
[ 257.800713][ T5532] ? clear_bhb_loop+0x30/0x80
[ 257.805377][ T5532] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.811273][ T5532] RIP: 0033:0x7f08c743138a
[ 257.815779][ T5532] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 257.835410][ T5532] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.843990][ T5532] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 257.852052][ T5532] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 257.860090][ T5532] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 257.868147][ T5532] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.876100][ T5532] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.884056][ T5532]
[ 257.888526][ T5532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.901713][ T5532] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/22 10:19:16 executed programs: 211
[ 258.237186][ T5534] loop1: detected capacity change from 0 to 32768
[ 258.287657][ T5534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.297172][ T5534] CPU: 0 PID: 5534 Comm: syz.1.226 Not tainted syzkaller #0
[ 258.304724][ T5534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 258.314805][ T5534] Call Trace:
[ 258.318104][ T5534]
[ 258.321056][ T5534] dump_stack_lvl+0x168/0x230
[ 258.325769][ T5534] ? show_regs_print_info+0x20/0x20
[ 258.331006][ T5534] ? load_image+0x3b0/0x3b0
[ 258.335555][ T5534] sysfs_create_dir_ns+0x252/0x280
[ 258.340705][ T5534] ? __lock_acquire+0x7c60/0x7c60
[ 258.345754][ T5534] ? sysfs_warn_dup+0xa0/0xa0
[ 258.350463][ T5534] ? do_raw_spin_unlock+0x11d/0x230
[ 258.355754][ T5534] kobject_add_internal+0x662/0xd00
[ 258.361006][ T5534] kobject_init_and_add+0x122/0x190
[ 258.366246][ T5534] ? lockdep_softirqs_off+0x420/0x420
[ 258.371684][ T5534] ? kobject_add+0x210/0x210
[ 258.376349][ T5534] ? __init_swait_queue_head+0xa5/0x150
[ 258.381966][ T5534] gfs2_sys_fs_add+0x234/0x480
[ 258.386758][ T5534] ? gfs2_recover_set+0x240/0x240
[ 258.391807][ T5534] ? snprintf+0xd7/0x120
[ 258.396056][ T5534] ? __free_pages+0x95/0x1a0
[ 258.400631][ T5534] ? vscnprintf+0x80/0x80
[ 258.404951][ T5534] gfs2_fill_super+0x128d/0x1f50
[ 258.409910][ T5534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.414920][ T5534] ? preempt_count_add+0x8d/0x190
[ 258.419930][ T5534] ? sb_set_blocksize+0xa5/0xe0
[ 258.424763][ T5534] get_tree_bdev+0x3f1/0x610
[ 258.429332][ T5534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.434348][ T5534] gfs2_get_tree+0x4d/0x1e0
[ 258.438867][ T5534] vfs_get_tree+0x88/0x270
[ 258.443262][ T5534] do_new_mount+0x24a/0xa40
[ 258.447765][ T5534] __se_sys_mount+0x2d6/0x3c0
[ 258.452523][ T5534] ? __x64_sys_mount+0xc0/0xc0
[ 258.457371][ T5534] ? lockdep_hardirqs_on+0x94/0x140
[ 258.462553][ T5534] ? __x64_sys_mount+0x1c/0xc0
[ 258.467294][ T5534] do_syscall_64+0x4c/0xa0
[ 258.471788][ T5534] ? clear_bhb_loop+0x30/0x80
[ 258.476459][ T5534] ? clear_bhb_loop+0x30/0x80
[ 258.481308][ T5534] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.487206][ T5534] RIP: 0033:0x7f08c743138a
[ 258.491617][ T5534] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 258.511240][ T5534] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.519990][ T5534] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 258.528064][ T5534] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 258.536042][ T5534] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 258.544089][ T5534] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.552070][ T5534] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 258.560052][ T5534]
[ 258.564764][ T5534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.578127][ T5534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.880426][ T5536] loop1: detected capacity change from 0 to 32768
[ 258.934266][ T5536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.941807][ T5536] CPU: 1 PID: 5536 Comm: syz.1.227 Not tainted syzkaller #0
[ 258.949120][ T5536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 258.959199][ T5536] Call Trace:
[ 258.962507][ T5536]
[ 258.965463][ T5536] dump_stack_lvl+0x168/0x230
[ 258.970179][ T5536] ? show_regs_print_info+0x20/0x20
[ 258.975401][ T5536] ? load_image+0x3b0/0x3b0
[ 258.979949][ T5536] sysfs_create_dir_ns+0x252/0x280
[ 258.985094][ T5536] ? __lock_acquire+0x7c60/0x7c60
[ 258.990157][ T5536] ? sysfs_warn_dup+0xa0/0xa0
[ 258.994869][ T5536] ? do_raw_spin_unlock+0x11d/0x230
[ 259.000315][ T5536] kobject_add_internal+0x662/0xd00
[ 259.005549][ T5536] kobject_init_and_add+0x122/0x190
[ 259.010780][ T5536] ? lockdep_softirqs_off+0x420/0x420
[ 259.016187][ T5536] ? kobject_add+0x210/0x210
[ 259.020796][ T5536] ? __init_swait_queue_head+0xa5/0x150
[ 259.026431][ T5536] gfs2_sys_fs_add+0x234/0x480
[ 259.031176][ T5536] ? gfs2_recover_set+0x240/0x240
[ 259.036186][ T5536] ? snprintf+0xd7/0x120
[ 259.040406][ T5536] ? __free_pages+0x95/0x1a0
[ 259.044989][ T5536] ? vscnprintf+0x80/0x80
[ 259.049334][ T5536] gfs2_fill_super+0x128d/0x1f50
[ 259.054261][ T5536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.059263][ T5536] ? preempt_count_add+0x8d/0x190
[ 259.064267][ T5536] ? sb_set_blocksize+0xa5/0xe0
[ 259.069114][ T5536] get_tree_bdev+0x3f1/0x610
[ 259.073690][ T5536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.078695][ T5536] gfs2_get_tree+0x4d/0x1e0
[ 259.083177][ T5536] vfs_get_tree+0x88/0x270
[ 259.087569][ T5536] do_new_mount+0x24a/0xa40
[ 259.092058][ T5536] __se_sys_mount+0x2d6/0x3c0
[ 259.096800][ T5536] ? __x64_sys_mount+0xc0/0xc0
[ 259.101581][ T5536] ? lockdep_hardirqs_on+0x94/0x140
[ 259.106773][ T5536] ? __x64_sys_mount+0x1c/0xc0
[ 259.111558][ T5536] do_syscall_64+0x4c/0xa0
[ 259.116045][ T5536] ? clear_bhb_loop+0x30/0x80
[ 259.120696][ T5536] ? clear_bhb_loop+0x30/0x80
[ 259.125444][ T5536] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.131311][ T5536] RIP: 0033:0x7f08c743138a
[ 259.136048][ T5536] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 259.156412][ T5536] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.164806][ T5536] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 259.172756][ T5536] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 259.180713][ T5536] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 259.188660][ T5536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.196617][ T5536] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.204605][ T5536]
[ 259.208922][ T5536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.222088][ T5536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.542727][ T5538] loop1: detected capacity change from 0 to 32768
[ 259.586862][ T5538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.595368][ T5538] CPU: 1 PID: 5538 Comm: syz.1.228 Not tainted syzkaller #0
[ 259.602694][ T5538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 259.612880][ T5538] Call Trace:
[ 259.616678][ T5538]
[ 259.619725][ T5538] dump_stack_lvl+0x168/0x230
[ 259.624546][ T5538] ? show_regs_print_info+0x20/0x20
[ 259.629784][ T5538] ? load_image+0x3b0/0x3b0
[ 259.634326][ T5538] sysfs_create_dir_ns+0x252/0x280
[ 259.639468][ T5538] ? __lock_acquire+0x7c60/0x7c60
[ 259.644531][ T5538] ? sysfs_warn_dup+0xa0/0xa0
[ 259.649251][ T5538] ? do_raw_spin_unlock+0x11d/0x230
[ 259.654482][ T5538] kobject_add_internal+0x662/0xd00
[ 259.659739][ T5538] kobject_init_and_add+0x122/0x190
[ 259.664958][ T5538] ? lockdep_softirqs_off+0x420/0x420
[ 259.670364][ T5538] ? kobject_add+0x210/0x210
[ 259.674983][ T5538] ? __init_swait_queue_head+0xa5/0x150
[ 259.680562][ T5538] gfs2_sys_fs_add+0x234/0x480
[ 259.685323][ T5538] ? gfs2_recover_set+0x240/0x240
[ 259.690328][ T5538] ? snprintf+0xd7/0x120
[ 259.694565][ T5538] ? __free_pages+0x95/0x1a0
[ 259.699148][ T5538] ? vscnprintf+0x80/0x80
[ 259.703482][ T5538] gfs2_fill_super+0x128d/0x1f50
[ 259.708583][ T5538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.713602][ T5538] ? preempt_count_add+0x8d/0x190
[ 259.718620][ T5538] ? sb_set_blocksize+0xa5/0xe0
[ 259.723449][ T5538] get_tree_bdev+0x3f1/0x610
[ 259.728014][ T5538] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.733030][ T5538] gfs2_get_tree+0x4d/0x1e0
[ 259.737605][ T5538] vfs_get_tree+0x88/0x270
[ 259.742180][ T5538] do_new_mount+0x24a/0xa40
[ 259.746663][ T5538] __se_sys_mount+0x2d6/0x3c0
[ 259.751417][ T5538] ? __x64_sys_mount+0xc0/0xc0
[ 259.756241][ T5538] ? lockdep_hardirqs_on+0x94/0x140
[ 259.761536][ T5538] ? __x64_sys_mount+0x1c/0xc0
[ 259.766308][ T5538] do_syscall_64+0x4c/0xa0
[ 259.770829][ T5538] ? clear_bhb_loop+0x30/0x80
[ 259.775495][ T5538] ? clear_bhb_loop+0x30/0x80
[ 259.780157][ T5538] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.786045][ T5538] RIP: 0033:0x7f08c743138a
[ 259.790445][ T5538] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 259.810044][ T5538] RSP: 002b:00007f08c6a9ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.818609][ T5538] RAX: ffffffffffffffda RBX: 00007f08c6a9eef0 RCX: 00007f08c743138a
[ 259.826584][ T5538] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f08c6a9eeb0
[ 259.834571][ T5538] RBP: 0000200000000400 R08: 00007f08c6a9eef0 R09: 0000000000000000
[ 259.842545][ T5538] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.850545][ T5538] R13: 00007f08c6a9eeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.858534][ T5538]
[ 259.863271][ T27] INFO: task syz.0.17:5084 blocked for more than 143 seconds.
[ 259.868589][ T5538] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.871277][ T27] Not tainted syzkaller #0
[ 259.884365][ T5538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.889858][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 259.904774][ T27] task:syz.0.17 state:D stack:24208 pid: 5084 ppid: 4882 flags:0x00004004
[ 259.914095][ T27] Call Trace:
[ 259.917460][ T27]
[ 259.920374][ T27] __schedule+0x11bb/0x4390
[ 259.924969][ T27] ? mark_lock+0x94/0x320
[ 259.929337][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 259.935332][ T27] ? lock_chain_count+0x20/0x20
[ 259.940187][ T27] ? release_firmware_map_entry+0x190/0x190
[ 259.946106][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 259.951473][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 259.957380][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 259.962598][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 259.968676][ T27] schedule+0x11b/0x1e0
[ 259.972886][ T27] bit_wait+0xd/0xc0
[ 259.977088][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 259.982571][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 259.988855][ T27] ? __wait_on_bit+0x170/0x170
[ 259.993644][ T27] ? bit_waitqueue+0x30/0x30
[ 259.998264][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 260.002954][ T27] gfs2_statfs_init+0xf9/0x490
[ 260.007754][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 260.012696][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 260.018167][ T27] ? init_per_node+0x2be/0x3d0
[ 260.022954][ T27] ? gfs2_statfs_init+0xf1/0x490
[ 260.027963][ T27] ? init_inodes+0x26a/0x320
[ 260.032570][ T27] gfs2_fill_super+0x1749/0x1f50
[ 260.037565][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.042609][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 260.047732][ T27] ? preempt_count_add+0x8d/0x190
[ 260.052769][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 260.057735][ T27] get_tree_bdev+0x3f1/0x610
[ 260.062334][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.067494][ T27] gfs2_get_tree+0x4d/0x1e0
[ 260.072105][ T27] vfs_get_tree+0x88/0x270
[ 260.076714][ T27] do_new_mount+0x24a/0xa40
[ 260.081285][ T27] __se_sys_mount+0x2d6/0x3c0
[ 260.086344][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 260.091261][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 260.096516][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 260.101285][ T27] do_syscall_64+0x4c/0xa0
[ 260.105746][ T27] ? clear_bhb_loop+0x30/0x80
[ 260.110419][ T27] ? clear_bhb_loop+0x30/0x80
[ 260.115157][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.121065][ T27] RIP: 0033:0x7f82f043d38a
[ 260.125614][ T27] RSP: 002b:00007f82efaaae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.134049][ T27] RAX: ffffffffffffffda RBX: 00007f82efaaaef0 RCX: 00007f82f043d38a
[ 260.142020][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f82efaaaeb0
[ 260.150020][ T27] RBP: 0000200000000400 R08: 00007f82efaaaef0 R09: 0000000000000000
[ 260.158025][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.166050][ T27] R13: 00007f82efaaaeb0 R14: 00000000000125e1 R15: 00002000000000c0
[ 260.174076][ T27]
[ 260.177111][ T27]
[ 260.177111][ T27] Showing all locks held in the system:
[ 260.185635][ T27] 1 lock held by khungtaskd/27:
[ 260.190501][ T27] #0: ffffffff8c11c760 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 260.200198][ T27] 2 locks held by getty/3952:
[ 260.205027][ T27] #0: ffff88814cb80098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 260.214884][ T27] #1: ffffc900025ce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 260.225114][ T27] 1 lock held by syz.0.17/5084:
[ 260.230067][ T27] #0: ffff88807aa140e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 260.240247][ T27] 1 lock held by syz.1.228/5538:
[ 260.245506][ T27] #0: ffff888147779468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaa/0xb90
[ 260.254843][ T27]
[ 260.257183][ T27] =============================================
[ 260.257183][ T27]
[ 260.265726][ T27] NMI backtrace for cpu 1
[ 260.270061][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 260.277260][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 260.287305][ T27] Call Trace:
[ 260.290575][ T27]
[ 260.293490][ T27] dump_stack_lvl+0x168/0x230
[ 260.298154][ T27] ? show_regs_print_info+0x20/0x20
[ 260.303351][ T27] ? load_image+0x3b0/0x3b0
[ 260.307850][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 260.312953][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 260.317877][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 260.324016][ T27] ? _printk+0xcc/0x110
[ 260.328171][ T27] ? load_image+0x3b0/0x3b0
[ 260.332670][ T27] ? load_image+0x3b0/0x3b0
[ 260.337257][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 260.343432][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 260.349417][ T27] watchdog+0xe0f/0xe50
[ 260.353564][ T27] kthread+0x436/0x520
[ 260.357618][ T27] ? hungtask_pm_notify+0x40/0x40
[ 260.362634][ T27] ? kthread_blkcg+0xd0/0xd0
[ 260.367287][ T27] ret_from_fork+0x1f/0x30
[ 260.371693][ T27]
[ 260.375161][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 260.380483][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 260.384218][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 260.396211][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 260.403668][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 260.413711][ T27] Call Trace:
[ 260.416985][ T27]
[ 260.419897][ T27] dump_stack_lvl+0x168/0x230
[ 260.424555][ T27] ? show_regs_print_info+0x20/0x20
[ 260.429730][ T27] ? load_image+0x3b0/0x3b0
[ 260.434221][ T27] panic+0x2c9/0x7f0
[ 260.438110][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 260.443731][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 260.448392][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 260.454529][ T27] watchdog+0xe4e/0xe50
[ 260.458872][ T27] kthread+0x436/0x520
[ 260.462942][ T27] ? hungtask_pm_notify+0x40/0x40
[ 260.467975][ T27] ? kthread_blkcg+0xd0/0xd0
[ 260.472569][ T27] ret_from_fork+0x1f/0x30
[ 260.476970][ T27]
[ 260.480164][ T27] Kernel Offset: disabled
[ 260.484473][ T27] Rebooting in 86400 seconds..