4][ T5668] ? lockdep_softirqs_off+0x430/0x430
[ 222.823436][ T5668] ? kobject_add+0x230/0x230
[ 222.828064][ T5668] ? __init_swait_queue_head+0xa5/0x150
[ 222.833634][ T5668] gfs2_sys_fs_add+0x24f/0x4b0
[ 222.838411][ T5668] ? gfs2_recover_set+0x240/0x240
[ 222.843423][ T5668] ? snprintf+0xe5/0x140
[ 222.847761][ T5668] ? __free_pages+0x95/0x1a0
[ 222.852342][ T5668] ? vscnprintf+0x80/0x80
[ 222.856696][ T5668] gfs2_fill_super+0x120f/0x1f00
[ 222.861644][ T5668] ? gfs2_reconfigure+0xd30/0xd30
[ 222.866906][ T5668] ? sb_set_blocksize+0xa5/0xe0
[ 222.871823][ T5668] get_tree_bdev+0x3f1/0x610
[ 222.876759][ T5668] ? gfs2_reconfigure+0xd30/0xd30
[ 222.881774][ T5668] gfs2_get_tree+0x4d/0x1e0
[ 222.886352][ T5668] vfs_get_tree+0x88/0x270
[ 222.890772][ T5668] do_new_mount+0x24a/0xa40
[ 222.895269][ T5668] __se_sys_mount+0x2e3/0x3d0
[ 222.899941][ T5668] ? __x64_sys_mount+0xc0/0xc0
[ 222.904719][ T5668] ? lockdep_hardirqs_on+0x94/0x140
[ 222.910016][ T5668] ? __x64_sys_mount+0x1c/0xc0
[ 222.914777][ T5668] do_syscall_64+0x4c/0xa0
[ 222.919189][ T5668] ? clear_bhb_loop+0x30/0x80
[ 222.924009][ T5668] ? clear_bhb_loop+0x30/0x80
[ 222.929118][ T5668] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.935019][ T5668] RIP: 0033:0x7fca3377f60a
[ 222.939427][ T5668] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 222.959317][ T5668] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.968042][ T5668] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 222.976036][ T5668] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 222.984051][ T5668] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 222.992036][ T5668] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.000016][ T5668] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.008010][ T5668]
[ 223.012648][ T5668] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.026041][ T5668] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.384121][ T5670] loop1: detected capacity change from 0 to 32768
[ 223.439830][ T5670] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.447578][ T5670] CPU: 1 PID: 5670 Comm: syz.1.176 Not tainted syzkaller #0
[ 223.455034][ T5670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 223.465109][ T5670] Call Trace:
[ 223.468399][ T5670]
[ 223.471458][ T5670] dump_stack_lvl+0x188/0x250
[ 223.476255][ T5670] ? show_regs_print_info+0x20/0x20
[ 223.481473][ T5670] ? load_image+0x400/0x400
[ 223.486004][ T5670] sysfs_create_dir_ns+0x26a/0x290
[ 223.491132][ T5670] ? sysfs_warn_dup+0xa0/0xa0
[ 223.495875][ T5670] ? do_raw_spin_unlock+0x11d/0x230
[ 223.501095][ T5670] kobject_add_internal+0x6e0/0xd90
[ 223.506434][ T5670] kobject_init_and_add+0x128/0x190
[ 223.511651][ T5670] ? lockdep_softirqs_off+0x430/0x430
[ 223.517039][ T5670] ? kobject_add+0x230/0x230
[ 223.521640][ T5670] ? __init_swait_queue_head+0xa5/0x150
[ 223.527326][ T5670] gfs2_sys_fs_add+0x24f/0x4b0
[ 223.532093][ T5670] ? gfs2_recover_set+0x240/0x240
[ 223.537106][ T5670] ? snprintf+0xe5/0x140
[ 223.541420][ T5670] ? __free_pages+0x95/0x1a0
[ 223.546085][ T5670] ? vscnprintf+0x80/0x80
[ 223.550418][ T5670] gfs2_fill_super+0x120f/0x1f00
[ 223.555377][ T5670] ? gfs2_reconfigure+0xd30/0xd30
[ 223.560491][ T5670] ? sb_set_blocksize+0xa5/0xe0
[ 223.565355][ T5670] get_tree_bdev+0x3f1/0x610
[ 223.569961][ T5670] ? gfs2_reconfigure+0xd30/0xd30
[ 223.574985][ T5670] gfs2_get_tree+0x4d/0x1e0
[ 223.579576][ T5670] vfs_get_tree+0x88/0x270
[ 223.584082][ T5670] do_new_mount+0x24a/0xa40
[ 223.588585][ T5670] __se_sys_mount+0x2e3/0x3d0
[ 223.593335][ T5670] ? __x64_sys_mount+0xc0/0xc0
[ 223.598268][ T5670] ? lockdep_hardirqs_on+0x94/0x140
[ 223.603545][ T5670] ? __x64_sys_mount+0x1c/0xc0
[ 223.608316][ T5670] do_syscall_64+0x4c/0xa0
[ 223.612713][ T5670] ? clear_bhb_loop+0x30/0x80
[ 223.617381][ T5670] ? clear_bhb_loop+0x30/0x80
[ 223.622123][ T5670] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.628083][ T5670] RIP: 0033:0x7fca3377f60a
[ 223.632476][ T5670] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 223.652070][ T5670] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.660679][ T5670] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 223.668660][ T5670] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 223.677223][ T5670] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 223.685387][ T5670] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.693358][ T5670] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.701346][ T5670]
[ 223.708795][ T5670] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.722521][ T5670] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.062786][ T5672] loop1: detected capacity change from 0 to 32768
[ 224.121764][ T5672] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.129179][ T5672] CPU: 1 PID: 5672 Comm: syz.1.177 Not tainted syzkaller #0
[ 224.136473][ T5672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 224.146625][ T5672] Call Trace:
[ 224.149961][ T5672]
[ 224.152958][ T5672] dump_stack_lvl+0x188/0x250
[ 224.157652][ T5672] ? show_regs_print_info+0x20/0x20
[ 224.162879][ T5672] ? load_image+0x400/0x400
[ 224.167408][ T5672] sysfs_create_dir_ns+0x26a/0x290
[ 224.172538][ T5672] ? sysfs_warn_dup+0xa0/0xa0
[ 224.177231][ T5672] ? do_raw_spin_unlock+0x11d/0x230
[ 224.182463][ T5672] kobject_add_internal+0x6e0/0xd90
[ 224.187755][ T5672] kobject_init_and_add+0x128/0x190
[ 224.192977][ T5672] ? lockdep_softirqs_off+0x430/0x430
[ 224.198397][ T5672] ? kobject_add+0x230/0x230
[ 224.202998][ T5672] ? __init_swait_queue_head+0xa5/0x150
[ 224.208658][ T5672] gfs2_sys_fs_add+0x24f/0x4b0
[ 224.213550][ T5672] ? gfs2_recover_set+0x240/0x240
[ 224.218575][ T5672] ? snprintf+0xe5/0x140
[ 224.222822][ T5672] ? __free_pages+0x95/0x1a0
[ 224.227404][ T5672] ? vscnprintf+0x80/0x80
[ 224.231740][ T5672] gfs2_fill_super+0x120f/0x1f00
[ 224.236886][ T5672] ? gfs2_reconfigure+0xd30/0xd30
[ 224.241915][ T5672] ? sb_set_blocksize+0xa5/0xe0
[ 224.246760][ T5672] get_tree_bdev+0x3f1/0x610
[ 224.251351][ T5672] ? gfs2_reconfigure+0xd30/0xd30
[ 224.256450][ T5672] gfs2_get_tree+0x4d/0x1e0
[ 224.261042][ T5672] vfs_get_tree+0x88/0x270
[ 224.265456][ T5672] do_new_mount+0x24a/0xa40
[ 224.269982][ T5672] __se_sys_mount+0x2e3/0x3d0
[ 224.274664][ T5672] ? __x64_sys_mount+0xc0/0xc0
[ 224.279426][ T5672] ? lockdep_hardirqs_on+0x94/0x140
[ 224.284713][ T5672] ? __x64_sys_mount+0x1c/0xc0
[ 224.289481][ T5672] do_syscall_64+0x4c/0xa0
[ 224.293908][ T5672] ? clear_bhb_loop+0x30/0x80
[ 224.298588][ T5672] ? clear_bhb_loop+0x30/0x80
[ 224.303254][ T5672] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.309247][ T5672] RIP: 0033:0x7fca3377f60a
[ 224.313649][ T5672] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 224.333260][ T5672] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.341669][ T5672] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 224.349696][ T5672] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 224.357673][ T5672] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 224.365642][ T5672] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.373834][ T5672] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.381918][ T5672]
[ 224.391065][ T5672] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.404598][ T5672] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:35:50 executed programs: 163
[ 224.717982][ T5674] loop1: detected capacity change from 0 to 32768
[ 224.774190][ T5674] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.791868][ T5674] CPU: 1 PID: 5674 Comm: syz.1.178 Not tainted syzkaller #0
[ 224.799199][ T5674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 224.809350][ T5674] Call Trace:
[ 224.812642][ T5674]
[ 224.815628][ T5674] dump_stack_lvl+0x188/0x250
[ 224.820329][ T5674] ? show_regs_print_info+0x20/0x20
[ 224.825540][ T5674] ? load_image+0x400/0x400
[ 224.830072][ T5674] sysfs_create_dir_ns+0x26a/0x290
[ 224.835194][ T5674] ? sysfs_warn_dup+0xa0/0xa0
[ 224.839891][ T5674] ? do_raw_spin_unlock+0x11d/0x230
[ 224.845103][ T5674] kobject_add_internal+0x6e0/0xd90
[ 224.850416][ T5674] kobject_init_and_add+0x128/0x190
[ 224.855632][ T5674] ? lockdep_softirqs_off+0x430/0x430
[ 224.861037][ T5674] ? kobject_add+0x230/0x230
[ 224.865645][ T5674] ? __init_swait_queue_head+0xa5/0x150
[ 224.871207][ T5674] gfs2_sys_fs_add+0x24f/0x4b0
[ 224.876077][ T5674] ? gfs2_recover_set+0x240/0x240
[ 224.881088][ T5674] ? snprintf+0xe5/0x140
[ 224.885316][ T5674] ? __free_pages+0x95/0x1a0
[ 224.889904][ T5674] ? vscnprintf+0x80/0x80
[ 224.894219][ T5674] gfs2_fill_super+0x120f/0x1f00
[ 224.899229][ T5674] ? gfs2_reconfigure+0xd30/0xd30
[ 224.904377][ T5674] ? sb_set_blocksize+0xa5/0xe0
[ 224.909348][ T5674] get_tree_bdev+0x3f1/0x610
[ 224.913946][ T5674] ? gfs2_reconfigure+0xd30/0xd30
[ 224.919004][ T5674] gfs2_get_tree+0x4d/0x1e0
[ 224.923509][ T5674] vfs_get_tree+0x88/0x270
[ 224.927918][ T5674] do_new_mount+0x24a/0xa40
[ 224.932421][ T5674] __se_sys_mount+0x2e3/0x3d0
[ 224.937092][ T5674] ? __x64_sys_mount+0xc0/0xc0
[ 224.941935][ T5674] ? lockdep_hardirqs_on+0x94/0x140
[ 224.947127][ T5674] ? __x64_sys_mount+0x1c/0xc0
[ 224.951884][ T5674] do_syscall_64+0x4c/0xa0
[ 224.956308][ T5674] ? clear_bhb_loop+0x30/0x80
[ 224.961000][ T5674] ? clear_bhb_loop+0x30/0x80
[ 224.965682][ T5674] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.971566][ T5674] RIP: 0033:0x7fca3377f60a
[ 224.976002][ T5674] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 224.995766][ T5674] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.004172][ T5674] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 225.012132][ T5674] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 225.020083][ T5674] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 225.028058][ T5674] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.036562][ T5674] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.044534][ T5674]
[ 225.051089][ T5674] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.064470][ T5674] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.382994][ T5676] loop1: detected capacity change from 0 to 32768
[ 225.425303][ T5676] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.432934][ T5676] CPU: 1 PID: 5676 Comm: syz.1.179 Not tainted syzkaller #0
[ 225.440233][ T5676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 225.450300][ T5676] Call Trace:
[ 225.453595][ T5676]
[ 225.456533][ T5676] dump_stack_lvl+0x188/0x250
[ 225.461227][ T5676] ? show_regs_print_info+0x20/0x20
[ 225.466439][ T5676] ? load_image+0x400/0x400
[ 225.470965][ T5676] sysfs_create_dir_ns+0x26a/0x290
[ 225.476378][ T5676] ? sysfs_warn_dup+0xa0/0xa0
[ 225.481071][ T5676] ? do_raw_spin_unlock+0x11d/0x230
[ 225.486281][ T5676] kobject_add_internal+0x6e0/0xd90
[ 225.491496][ T5676] kobject_init_and_add+0x128/0x190
[ 225.496705][ T5676] ? lockdep_softirqs_off+0x430/0x430
[ 225.502090][ T5676] ? kobject_add+0x230/0x230
[ 225.506689][ T5676] ? __init_swait_queue_head+0xa5/0x150
[ 225.512343][ T5676] gfs2_sys_fs_add+0x24f/0x4b0
[ 225.517188][ T5676] ? gfs2_recover_set+0x240/0x240
[ 225.522197][ T5676] ? snprintf+0xe5/0x140
[ 225.526422][ T5676] ? __free_pages+0x95/0x1a0
[ 225.530993][ T5676] ? vscnprintf+0x80/0x80
[ 225.535425][ T5676] gfs2_fill_super+0x120f/0x1f00
[ 225.540360][ T5676] ? gfs2_reconfigure+0xd30/0xd30
[ 225.545477][ T5676] ? sb_set_blocksize+0xa5/0xe0
[ 225.550331][ T5676] get_tree_bdev+0x3f1/0x610
[ 225.554916][ T5676] ? gfs2_reconfigure+0xd30/0xd30
[ 225.559945][ T5676] gfs2_get_tree+0x4d/0x1e0
[ 225.564579][ T5676] vfs_get_tree+0x88/0x270
[ 225.569011][ T5676] do_new_mount+0x24a/0xa40
[ 225.573513][ T5676] __se_sys_mount+0x2e3/0x3d0
[ 225.578180][ T5676] ? __x64_sys_mount+0xc0/0xc0
[ 225.582949][ T5676] ? lockdep_hardirqs_on+0x94/0x140
[ 225.588132][ T5676] ? __x64_sys_mount+0x1c/0xc0
[ 225.592887][ T5676] do_syscall_64+0x4c/0xa0
[ 225.597301][ T5676] ? clear_bhb_loop+0x30/0x80
[ 225.601962][ T5676] ? clear_bhb_loop+0x30/0x80
[ 225.606629][ T5676] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.612504][ T5676] RIP: 0033:0x7fca3377f60a
[ 225.616904][ T5676] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 225.636497][ T5676] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.645063][ T5676] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 225.653031][ T5676] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 225.661165][ T5676] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 225.669345][ T5676] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.677317][ T5676] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.685406][ T5676]
[ 225.689655][ T5676] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.703050][ T5676] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.007016][ T5678] loop1: detected capacity change from 0 to 32768
[ 226.050180][ T5678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.057807][ T5678] CPU: 0 PID: 5678 Comm: syz.1.180 Not tainted syzkaller #0
[ 226.065445][ T5678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 226.075714][ T5678] Call Trace:
[ 226.079091][ T5678]
[ 226.082045][ T5678] dump_stack_lvl+0x188/0x250
[ 226.086781][ T5678] ? show_regs_print_info+0x20/0x20
[ 226.092001][ T5678] ? load_image+0x400/0x400
[ 226.096532][ T5678] sysfs_create_dir_ns+0x26a/0x290
[ 226.101660][ T5678] ? sysfs_warn_dup+0xa0/0xa0
[ 226.106350][ T5678] ? do_raw_spin_unlock+0x11d/0x230
[ 226.111579][ T5678] kobject_add_internal+0x6e0/0xd90
[ 226.116896][ T5678] kobject_init_and_add+0x128/0x190
[ 226.122201][ T5678] ? lockdep_softirqs_off+0x430/0x430
[ 226.127607][ T5678] ? kobject_add+0x230/0x230
[ 226.132220][ T5678] ? __init_swait_queue_head+0xa5/0x150
[ 226.137794][ T5678] gfs2_sys_fs_add+0x24f/0x4b0
[ 226.142659][ T5678] ? gfs2_recover_set+0x240/0x240
[ 226.147737][ T5678] ? snprintf+0xe5/0x140
[ 226.151977][ T5678] ? __free_pages+0x95/0x1a0
[ 226.156562][ T5678] ? vscnprintf+0x80/0x80
[ 226.160883][ T5678] gfs2_fill_super+0x120f/0x1f00
[ 226.166027][ T5678] ? gfs2_reconfigure+0xd30/0xd30
[ 226.171335][ T5678] ? sb_set_blocksize+0xa5/0xe0
[ 226.176436][ T5678] get_tree_bdev+0x3f1/0x610
[ 226.181126][ T5678] ? gfs2_reconfigure+0xd30/0xd30
[ 226.186722][ T5678] gfs2_get_tree+0x4d/0x1e0
[ 226.191405][ T5678] vfs_get_tree+0x88/0x270
[ 226.196298][ T5678] do_new_mount+0x24a/0xa40
[ 226.200902][ T5678] __se_sys_mount+0x2e3/0x3d0
[ 226.205591][ T5678] ? __x64_sys_mount+0xc0/0xc0
[ 226.210494][ T5678] ? lockdep_hardirqs_on+0x94/0x140
[ 226.215699][ T5678] ? __x64_sys_mount+0x1c/0xc0
[ 226.220601][ T5678] do_syscall_64+0x4c/0xa0
[ 226.225107][ T5678] ? clear_bhb_loop+0x30/0x80
[ 226.230416][ T5678] ? clear_bhb_loop+0x30/0x80
[ 226.235138][ T5678] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.241128][ T5678] RIP: 0033:0x7fca3377f60a
[ 226.245541][ T5678] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 226.265362][ T5678] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.274123][ T5678] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 226.283041][ T5678] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 226.291051][ T5678] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 226.299188][ T5678] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.307154][ T5678] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.315146][ T5678]
[ 226.319480][ T5678] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.332846][ T5678] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.639396][ T5680] loop1: detected capacity change from 0 to 32768
[ 226.698494][ T5680] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.709557][ T5680] CPU: 1 PID: 5680 Comm: syz.1.181 Not tainted syzkaller #0
[ 226.717115][ T5680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 226.727181][ T5680] Call Trace:
[ 226.730565][ T5680]
[ 226.733515][ T5680] dump_stack_lvl+0x188/0x250
[ 226.738231][ T5680] ? show_regs_print_info+0x20/0x20
[ 226.743443][ T5680] ? load_image+0x400/0x400
[ 226.747974][ T5680] sysfs_create_dir_ns+0x26a/0x290
[ 226.753099][ T5680] ? sysfs_warn_dup+0xa0/0xa0
[ 226.757873][ T5680] ? do_raw_spin_unlock+0x11d/0x230
[ 226.763267][ T5680] kobject_add_internal+0x6e0/0xd90
[ 226.768631][ T5680] kobject_init_and_add+0x128/0x190
[ 226.773857][ T5680] ? lockdep_softirqs_off+0x430/0x430
[ 226.779250][ T5680] ? kobject_add+0x230/0x230
[ 226.783860][ T5680] ? __init_swait_queue_head+0xa5/0x150
[ 226.789457][ T5680] gfs2_sys_fs_add+0x24f/0x4b0
[ 226.794247][ T5680] ? gfs2_recover_set+0x240/0x240
[ 226.799281][ T5680] ? snprintf+0xe5/0x140
[ 226.803595][ T5680] ? __free_pages+0x95/0x1a0
[ 226.808187][ T5680] ? vscnprintf+0x80/0x80
[ 226.812561][ T5680] gfs2_fill_super+0x120f/0x1f00
[ 226.817652][ T5680] ? gfs2_reconfigure+0xd30/0xd30
[ 226.822715][ T5680] ? sb_set_blocksize+0xa5/0xe0
[ 226.827742][ T5680] get_tree_bdev+0x3f1/0x610
[ 226.832448][ T5680] ? gfs2_reconfigure+0xd30/0xd30
[ 226.837551][ T5680] gfs2_get_tree+0x4d/0x1e0
[ 226.842053][ T5680] vfs_get_tree+0x88/0x270
[ 226.846497][ T5680] do_new_mount+0x24a/0xa40
[ 226.851073][ T5680] __se_sys_mount+0x2e3/0x3d0
[ 226.855760][ T5680] ? __x64_sys_mount+0xc0/0xc0
[ 226.860625][ T5680] ? lockdep_hardirqs_on+0x94/0x140
[ 226.865825][ T5680] ? __x64_sys_mount+0x1c/0xc0
[ 226.870584][ T5680] do_syscall_64+0x4c/0xa0
[ 226.874998][ T5680] ? clear_bhb_loop+0x30/0x80
[ 226.879685][ T5680] ? clear_bhb_loop+0x30/0x80
[ 226.884459][ T5680] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.890339][ T5680] RIP: 0033:0x7fca3377f60a
[ 226.894749][ T5680] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 226.914674][ T5680] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.923083][ T5680] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 226.931066][ T5680] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 226.939042][ T5680] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 226.947016][ T5680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.955089][ T5680] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.963087][ T5680]
[ 226.969938][ T5680] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.984164][ T5680] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.283535][ T5682] loop1: detected capacity change from 0 to 32768
[ 227.334308][ T5682] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.342451][ T5682] CPU: 1 PID: 5682 Comm: syz.1.182 Not tainted syzkaller #0
[ 227.349768][ T5682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 227.359836][ T5682] Call Trace:
[ 227.363306][ T5682]
[ 227.366253][ T5682] dump_stack_lvl+0x188/0x250
[ 227.371100][ T5682] ? show_regs_print_info+0x20/0x20
[ 227.376317][ T5682] ? load_image+0x400/0x400
[ 227.380856][ T5682] sysfs_create_dir_ns+0x26a/0x290
[ 227.385989][ T5682] ? sysfs_warn_dup+0xa0/0xa0
[ 227.390686][ T5682] ? do_raw_spin_unlock+0x11d/0x230
[ 227.395912][ T5682] kobject_add_internal+0x6e0/0xd90
[ 227.401133][ T5682] kobject_init_and_add+0x128/0x190
[ 227.406346][ T5682] ? lockdep_softirqs_off+0x430/0x430
[ 227.412017][ T5682] ? kobject_add+0x230/0x230
[ 227.416647][ T5682] ? __init_swait_queue_head+0xa5/0x150
[ 227.422227][ T5682] gfs2_sys_fs_add+0x24f/0x4b0
[ 227.427124][ T5682] ? gfs2_recover_set+0x240/0x240
[ 227.432148][ T5682] ? snprintf+0xe5/0x140
[ 227.436389][ T5682] ? __free_pages+0x95/0x1a0
[ 227.440969][ T5682] ? vscnprintf+0x80/0x80
[ 227.445383][ T5682] gfs2_fill_super+0x120f/0x1f00
[ 227.450330][ T5682] ? gfs2_reconfigure+0xd30/0xd30
[ 227.455354][ T5682] ? sb_set_blocksize+0xa5/0xe0
[ 227.460223][ T5682] get_tree_bdev+0x3f1/0x610
[ 227.464801][ T5682] ? gfs2_reconfigure+0xd30/0xd30
[ 227.469812][ T5682] gfs2_get_tree+0x4d/0x1e0
[ 227.474392][ T5682] vfs_get_tree+0x88/0x270
[ 227.478899][ T5682] do_new_mount+0x24a/0xa40
[ 227.483397][ T5682] __se_sys_mount+0x2e3/0x3d0
[ 227.488070][ T5682] ? __x64_sys_mount+0xc0/0xc0
[ 227.493355][ T5682] ? lockdep_hardirqs_on+0x94/0x140
[ 227.498591][ T5682] ? __x64_sys_mount+0x1c/0xc0
[ 227.503353][ T5682] do_syscall_64+0x4c/0xa0
[ 227.507753][ T5682] ? clear_bhb_loop+0x30/0x80
[ 227.512528][ T5682] ? clear_bhb_loop+0x30/0x80
[ 227.517192][ T5682] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.523067][ T5682] RIP: 0033:0x7fca3377f60a
[ 227.527475][ T5682] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 227.547086][ T5682] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.555650][ T5682] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 227.563683][ T5682] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 227.571668][ T5682] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 227.579849][ T5682] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.587840][ T5682] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.595822][ T5682]
[ 227.600061][ T5682] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.613314][ T5682] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.906634][ T5684] loop1: detected capacity change from 0 to 32768
[ 227.961041][ T5684] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.968729][ T5684] CPU: 0 PID: 5684 Comm: syz.1.183 Not tainted syzkaller #0
[ 227.976165][ T5684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 227.986233][ T5684] Call Trace:
[ 227.989573][ T5684]
[ 227.992512][ T5684] dump_stack_lvl+0x188/0x250
[ 227.997203][ T5684] ? show_regs_print_info+0x20/0x20
[ 228.002437][ T5684] ? load_image+0x400/0x400
[ 228.006960][ T5684] sysfs_create_dir_ns+0x26a/0x290
[ 228.012085][ T5684] ? sysfs_warn_dup+0xa0/0xa0
[ 228.016779][ T5684] ? do_raw_spin_unlock+0x11d/0x230
[ 228.022171][ T5684] kobject_add_internal+0x6e0/0xd90
[ 228.027394][ T5684] kobject_init_and_add+0x128/0x190
[ 228.032744][ T5684] ? lockdep_softirqs_off+0x430/0x430
[ 228.038137][ T5684] ? kobject_add+0x230/0x230
[ 228.042746][ T5684] ? __init_swait_queue_head+0xa5/0x150
[ 228.048316][ T5684] gfs2_sys_fs_add+0x24f/0x4b0
[ 228.053094][ T5684] ? gfs2_recover_set+0x240/0x240
[ 228.058276][ T5684] ? snprintf+0xe5/0x140
[ 228.062540][ T5684] ? __free_pages+0x95/0x1a0
[ 228.067150][ T5684] ? vscnprintf+0x80/0x80
[ 228.071627][ T5684] gfs2_fill_super+0x120f/0x1f00
[ 228.076584][ T5684] ? gfs2_reconfigure+0xd30/0xd30
[ 228.081642][ T5684] ? sb_set_blocksize+0xa5/0xe0
[ 228.086601][ T5684] get_tree_bdev+0x3f1/0x610
[ 228.091193][ T5684] ? gfs2_reconfigure+0xd30/0xd30
[ 228.096216][ T5684] gfs2_get_tree+0x4d/0x1e0
[ 228.100837][ T5684] vfs_get_tree+0x88/0x270
[ 228.105270][ T5684] do_new_mount+0x24a/0xa40
[ 228.109791][ T5684] __se_sys_mount+0x2e3/0x3d0
[ 228.114472][ T5684] ? __x64_sys_mount+0xc0/0xc0
[ 228.119311][ T5684] ? lockdep_hardirqs_on+0x94/0x140
[ 228.124522][ T5684] ? __x64_sys_mount+0x1c/0xc0
[ 228.129391][ T5684] do_syscall_64+0x4c/0xa0
[ 228.133895][ T5684] ? clear_bhb_loop+0x30/0x80
[ 228.138652][ T5684] ? clear_bhb_loop+0x30/0x80
[ 228.143332][ T5684] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.149230][ T5684] RIP: 0033:0x7fca3377f60a
[ 228.153632][ T5684] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 228.173706][ T5684] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.182128][ T5684] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 228.190282][ T5684] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 228.198240][ T5684] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 228.206288][ T5684] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.214254][ T5684] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.222351][ T5684]
[ 228.226506][ T5684] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.239684][ T5684] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.520028][ T5686] loop1: detected capacity change from 0 to 32768
[ 228.605409][ T5686] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.612880][ T5686] CPU: 0 PID: 5686 Comm: syz.1.184 Not tainted syzkaller #0
[ 228.620175][ T5686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 228.630326][ T5686] Call Trace:
[ 228.633616][ T5686]
[ 228.636682][ T5686] dump_stack_lvl+0x188/0x250
[ 228.641564][ T5686] ? show_regs_print_info+0x20/0x20
[ 228.646872][ T5686] ? load_image+0x400/0x400
[ 228.651419][ T5686] sysfs_create_dir_ns+0x26a/0x290
[ 228.656551][ T5686] ? sysfs_warn_dup+0xa0/0xa0
[ 228.661244][ T5686] ? do_raw_spin_unlock+0x11d/0x230
[ 228.666612][ T5686] kobject_add_internal+0x6e0/0xd90
[ 228.671931][ T5686] kobject_init_and_add+0x128/0x190
[ 228.677147][ T5686] ? lockdep_softirqs_off+0x430/0x430
[ 228.682567][ T5686] ? kobject_add+0x230/0x230
[ 228.687434][ T5686] ? __init_swait_queue_head+0xa5/0x150
[ 228.692976][ T5686] gfs2_sys_fs_add+0x24f/0x4b0
[ 228.697748][ T5686] ? gfs2_recover_set+0x240/0x240
[ 228.702792][ T5686] ? snprintf+0xe5/0x140
[ 228.707086][ T5686] ? __free_pages+0x95/0x1a0
[ 228.711830][ T5686] ? vscnprintf+0x80/0x80
[ 228.716285][ T5686] gfs2_fill_super+0x120f/0x1f00
[ 228.721303][ T5686] ? gfs2_reconfigure+0xd30/0xd30
[ 228.726356][ T5686] ? sb_set_blocksize+0xa5/0xe0
[ 228.731483][ T5686] get_tree_bdev+0x3f1/0x610
[ 228.736248][ T5686] ? gfs2_reconfigure+0xd30/0xd30
[ 228.741273][ T5686] gfs2_get_tree+0x4d/0x1e0
[ 228.745776][ T5686] vfs_get_tree+0x88/0x270
[ 228.750203][ T5686] do_new_mount+0x24a/0xa40
[ 228.754742][ T5686] __se_sys_mount+0x2e3/0x3d0
[ 228.759439][ T5686] ? __x64_sys_mount+0xc0/0xc0
[ 228.764192][ T5686] ? lockdep_hardirqs_on+0x94/0x140
[ 228.769382][ T5686] ? __x64_sys_mount+0x1c/0xc0
[ 228.774224][ T5686] do_syscall_64+0x4c/0xa0
[ 228.778640][ T5686] ? clear_bhb_loop+0x30/0x80
[ 228.783614][ T5686] ? clear_bhb_loop+0x30/0x80
[ 228.788479][ T5686] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.794454][ T5686] RIP: 0033:0x7fca3377f60a
[ 228.798958][ T5686] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 228.818737][ T5686] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.827152][ T5686] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 228.835131][ T5686] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 228.843285][ T5686] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 228.851339][ T5686] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.859358][ T5686] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.867337][ T5686]
[ 228.871495][ T5686] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.884892][ T5686] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.210215][ T5688] loop1: detected capacity change from 0 to 32768
[ 229.254652][ T5688] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.263010][ T5688] CPU: 1 PID: 5688 Comm: syz.1.185 Not tainted syzkaller #0
[ 229.270523][ T5688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 229.280809][ T5688] Call Trace:
[ 229.284490][ T5688]
[ 229.287781][ T5688] dump_stack_lvl+0x188/0x250
[ 229.292534][ T5688] ? show_regs_print_info+0x20/0x20
[ 229.297766][ T5688] ? load_image+0x400/0x400
[ 229.302338][ T5688] sysfs_create_dir_ns+0x26a/0x290
[ 229.307467][ T5688] ? sysfs_warn_dup+0xa0/0xa0
[ 229.312245][ T5688] ? do_raw_spin_unlock+0x11d/0x230
[ 229.317487][ T5688] kobject_add_internal+0x6e0/0xd90
[ 229.323065][ T5688] kobject_init_and_add+0x128/0x190
[ 229.328571][ T5688] ? lockdep_softirqs_off+0x430/0x430
[ 229.333966][ T5688] ? kobject_add+0x230/0x230
[ 229.338577][ T5688] ? __init_swait_queue_head+0xa5/0x150
[ 229.344152][ T5688] gfs2_sys_fs_add+0x24f/0x4b0
[ 229.348939][ T5688] ? gfs2_recover_set+0x240/0x240
[ 229.353955][ T5688] ? snprintf+0xe5/0x140
[ 229.358377][ T5688] ? __free_pages+0x95/0x1a0
[ 229.362972][ T5688] ? vscnprintf+0x80/0x80
[ 229.367407][ T5688] gfs2_fill_super+0x120f/0x1f00
[ 229.372545][ T5688] ? gfs2_reconfigure+0xd30/0xd30
[ 229.377594][ T5688] ? sb_set_blocksize+0xa5/0xe0
[ 229.382453][ T5688] get_tree_bdev+0x3f1/0x610
[ 229.387213][ T5688] ? gfs2_reconfigure+0xd30/0xd30
[ 229.392263][ T5688] gfs2_get_tree+0x4d/0x1e0
[ 229.396768][ T5688] vfs_get_tree+0x88/0x270
[ 229.401170][ T5688] do_new_mount+0x24a/0xa40
[ 229.405757][ T5688] __se_sys_mount+0x2e3/0x3d0
[ 229.410515][ T5688] ? __x64_sys_mount+0xc0/0xc0
[ 229.415266][ T5688] ? lockdep_hardirqs_on+0x94/0x140
[ 229.420465][ T5688] ? __x64_sys_mount+0x1c/0xc0
[ 229.425594][ T5688] do_syscall_64+0x4c/0xa0
[ 229.430123][ T5688] ? clear_bhb_loop+0x30/0x80
[ 229.434800][ T5688] ? clear_bhb_loop+0x30/0x80
[ 229.439577][ T5688] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.445548][ T5688] RIP: 0033:0x7fca3377f60a
[ 229.449980][ T5688] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 229.469582][ T5688] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.477990][ T5688] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 229.485966][ T5688] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 229.494021][ T5688] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 229.501996][ T5688] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.509965][ T5688] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.517942][ T5688]
[ 229.522359][ T5688] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.535762][ T5688] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:35:55 executed programs: 171
[ 229.867011][ T5690] loop1: detected capacity change from 0 to 32768
[ 229.911766][ T5690] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.919174][ T5690] CPU: 1 PID: 5690 Comm: syz.1.186 Not tainted syzkaller #0
[ 229.926553][ T5690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 229.936978][ T5690] Call Trace:
[ 229.940272][ T5690]
[ 229.943215][ T5690] dump_stack_lvl+0x188/0x250
[ 229.947916][ T5690] ? show_regs_print_info+0x20/0x20
[ 229.953214][ T5690] ? load_image+0x400/0x400
[ 229.957758][ T5690] sysfs_create_dir_ns+0x26a/0x290
[ 229.962879][ T5690] ? sysfs_warn_dup+0xa0/0xa0
[ 229.967667][ T5690] ? do_raw_spin_unlock+0x11d/0x230
[ 229.972881][ T5690] kobject_add_internal+0x6e0/0xd90
[ 229.978095][ T5690] kobject_init_and_add+0x128/0x190
[ 229.983303][ T5690] ? lockdep_softirqs_off+0x430/0x430
[ 229.988865][ T5690] ? kobject_add+0x230/0x230
[ 229.993473][ T5690] ? __init_swait_queue_head+0xa5/0x150
[ 229.999012][ T5690] gfs2_sys_fs_add+0x24f/0x4b0
[ 230.003908][ T5690] ? gfs2_recover_set+0x240/0x240
[ 230.008923][ T5690] ? snprintf+0xe5/0x140
[ 230.013152][ T5690] ? __free_pages+0x95/0x1a0
[ 230.017729][ T5690] ? vscnprintf+0x80/0x80
[ 230.022069][ T5690] gfs2_fill_super+0x120f/0x1f00
[ 230.027032][ T5690] ? gfs2_reconfigure+0xd30/0xd30
[ 230.032156][ T5690] ? sb_set_blocksize+0xa5/0xe0
[ 230.037013][ T5690] get_tree_bdev+0x3f1/0x610
[ 230.041600][ T5690] ? gfs2_reconfigure+0xd30/0xd30
[ 230.046647][ T5690] gfs2_get_tree+0x4d/0x1e0
[ 230.051154][ T5690] vfs_get_tree+0x88/0x270
[ 230.055569][ T5690] do_new_mount+0x24a/0xa40
[ 230.060071][ T5690] __se_sys_mount+0x2e3/0x3d0
[ 230.064736][ T5690] ? __x64_sys_mount+0xc0/0xc0
[ 230.069485][ T5690] ? lockdep_hardirqs_on+0x94/0x140
[ 230.074671][ T5690] ? __x64_sys_mount+0x1c/0xc0
[ 230.079442][ T5690] do_syscall_64+0x4c/0xa0
[ 230.083950][ T5690] ? clear_bhb_loop+0x30/0x80
[ 230.088620][ T5690] ? clear_bhb_loop+0x30/0x80
[ 230.093432][ T5690] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.099310][ T5690] RIP: 0033:0x7fca3377f60a
[ 230.103722][ T5690] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 230.123881][ T5690] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.132426][ T5690] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 230.140662][ T5690] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 230.148635][ T5690] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 230.156679][ T5690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.164673][ T5690] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.172664][ T5690]
[ 230.180982][ T5690] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.194354][ T5690] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.514987][ T5692] loop1: detected capacity change from 0 to 32768
[ 230.578800][ T5692] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.586759][ T5692] CPU: 0 PID: 5692 Comm: syz.1.187 Not tainted syzkaller #0
[ 230.594291][ T5692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 230.604446][ T5692] Call Trace:
[ 230.607730][ T5692]
[ 230.610657][ T5692] dump_stack_lvl+0x188/0x250
[ 230.615345][ T5692] ? show_regs_print_info+0x20/0x20
[ 230.620662][ T5692] ? load_image+0x400/0x400
[ 230.625237][ T5692] sysfs_create_dir_ns+0x26a/0x290
[ 230.630481][ T5692] ? sysfs_warn_dup+0xa0/0xa0
[ 230.635206][ T5692] ? do_raw_spin_unlock+0x11d/0x230
[ 230.640423][ T5692] kobject_add_internal+0x6e0/0xd90
[ 230.645814][ T5692] kobject_init_and_add+0x128/0x190
[ 230.651035][ T5692] ? lockdep_softirqs_off+0x430/0x430
[ 230.656414][ T5692] ? kobject_add+0x230/0x230
[ 230.661001][ T5692] ? __init_swait_queue_head+0xa5/0x150
[ 230.666687][ T5692] gfs2_sys_fs_add+0x24f/0x4b0
[ 230.671460][ T5692] ? gfs2_recover_set+0x240/0x240
[ 230.676494][ T5692] ? snprintf+0xe5/0x140
[ 230.680724][ T5692] ? __free_pages+0x95/0x1a0
[ 230.685294][ T5692] ? vscnprintf+0x80/0x80
[ 230.689611][ T5692] gfs2_fill_super+0x120f/0x1f00
[ 230.694540][ T5692] ? gfs2_reconfigure+0xd30/0xd30
[ 230.699556][ T5692] ? sb_set_blocksize+0xa5/0xe0
[ 230.704421][ T5692] get_tree_bdev+0x3f1/0x610
[ 230.708998][ T5692] ? gfs2_reconfigure+0xd30/0xd30
[ 230.714001][ T5692] gfs2_get_tree+0x4d/0x1e0
[ 230.718583][ T5692] vfs_get_tree+0x88/0x270
[ 230.723010][ T5692] do_new_mount+0x24a/0xa40
[ 230.727517][ T5692] __se_sys_mount+0x2e3/0x3d0
[ 230.732264][ T5692] ? __x64_sys_mount+0xc0/0xc0
[ 230.737022][ T5692] ? lockdep_hardirqs_on+0x94/0x140
[ 230.742202][ T5692] ? __x64_sys_mount+0x1c/0xc0
[ 230.746956][ T5692] do_syscall_64+0x4c/0xa0
[ 230.751358][ T5692] ? clear_bhb_loop+0x30/0x80
[ 230.756156][ T5692] ? clear_bhb_loop+0x30/0x80
[ 230.761021][ T5692] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.766904][ T5692] RIP: 0033:0x7fca3377f60a
[ 230.771572][ T5692] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 230.791534][ T5692] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.799943][ T5692] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 230.807906][ T5692] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 230.815870][ T5692] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 230.823827][ T5692] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.831794][ T5692] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.839777][ T5692]
[ 230.844056][ T5692] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.857581][ T5692] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.154881][ T5694] loop1: detected capacity change from 0 to 32768
[ 231.252559][ T5694] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.259971][ T5694] CPU: 0 PID: 5694 Comm: syz.1.188 Not tainted syzkaller #0
[ 231.267313][ T5694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 231.277381][ T5694] Call Trace:
[ 231.280755][ T5694]
[ 231.283704][ T5694] dump_stack_lvl+0x188/0x250
[ 231.288402][ T5694] ? show_regs_print_info+0x20/0x20
[ 231.293709][ T5694] ? load_image+0x400/0x400
[ 231.298250][ T5694] sysfs_create_dir_ns+0x26a/0x290
[ 231.303382][ T5694] ? sysfs_warn_dup+0xa0/0xa0
[ 231.308220][ T5694] ? do_raw_spin_unlock+0x11d/0x230
[ 231.313475][ T5694] kobject_add_internal+0x6e0/0xd90
[ 231.318816][ T5694] kobject_init_and_add+0x128/0x190
[ 231.324037][ T5694] ? lockdep_softirqs_off+0x430/0x430
[ 231.329528][ T5694] ? kobject_add+0x230/0x230
[ 231.334143][ T5694] ? __init_swait_queue_head+0xa5/0x150
[ 231.339714][ T5694] gfs2_sys_fs_add+0x24f/0x4b0
[ 231.344500][ T5694] ? gfs2_recover_set+0x240/0x240
[ 231.349546][ T5694] ? snprintf+0xe5/0x140
[ 231.353794][ T5694] ? __free_pages+0x95/0x1a0
[ 231.358382][ T5694] ? vscnprintf+0x80/0x80
[ 231.362767][ T5694] gfs2_fill_super+0x120f/0x1f00
[ 231.367728][ T5694] ? gfs2_reconfigure+0xd30/0xd30
[ 231.372759][ T5694] ? sb_set_blocksize+0xa5/0xe0
[ 231.377603][ T5694] get_tree_bdev+0x3f1/0x610
[ 231.382191][ T5694] ? gfs2_reconfigure+0xd30/0xd30
[ 231.387343][ T5694] gfs2_get_tree+0x4d/0x1e0
[ 231.392196][ T5694] vfs_get_tree+0x88/0x270
[ 231.396630][ T5694] do_new_mount+0x24a/0xa40
[ 231.401126][ T5694] __se_sys_mount+0x2e3/0x3d0
[ 231.405898][ T5694] ? __x64_sys_mount+0xc0/0xc0
[ 231.410750][ T5694] ? lockdep_hardirqs_on+0x94/0x140
[ 231.416142][ T5694] ? __x64_sys_mount+0x1c/0xc0
[ 231.421078][ T5694] do_syscall_64+0x4c/0xa0
[ 231.425484][ T5694] ? clear_bhb_loop+0x30/0x80
[ 231.430283][ T5694] ? clear_bhb_loop+0x30/0x80
[ 231.434956][ T5694] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.441028][ T5694] RIP: 0033:0x7fca3377f60a
[ 231.445537][ T5694] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 231.465160][ T5694] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.473657][ T5694] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 231.481720][ T5694] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 231.489712][ T5694] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 231.497821][ T5694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.505790][ T5694] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.513941][ T5694]
[ 231.518834][ T5694] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.532256][ T5694] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.837575][ T5696] loop1: detected capacity change from 0 to 32768
[ 231.891985][ T5696] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.899513][ T5696] CPU: 0 PID: 5696 Comm: syz.1.189 Not tainted syzkaller #0
[ 231.906807][ T5696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 231.916869][ T5696] Call Trace:
[ 231.920158][ T5696]
[ 231.923145][ T5696] dump_stack_lvl+0x188/0x250
[ 231.927843][ T5696] ? show_regs_print_info+0x20/0x20
[ 231.933149][ T5696] ? load_image+0x400/0x400
[ 231.937762][ T5696] sysfs_create_dir_ns+0x26a/0x290
[ 231.942985][ T5696] ? sysfs_warn_dup+0xa0/0xa0
[ 231.947689][ T5696] ? do_raw_spin_unlock+0x11d/0x230
[ 231.952908][ T5696] kobject_add_internal+0x6e0/0xd90
[ 231.958128][ T5696] kobject_init_and_add+0x128/0x190
[ 231.963338][ T5696] ? lockdep_softirqs_off+0x430/0x430
[ 231.968728][ T5696] ? kobject_add+0x230/0x230
[ 231.973335][ T5696] ? __init_swait_queue_head+0xa5/0x150
[ 231.978897][ T5696] gfs2_sys_fs_add+0x24f/0x4b0
[ 231.983678][ T5696] ? gfs2_recover_set+0x240/0x240
[ 231.988709][ T5696] ? snprintf+0xe5/0x140
[ 231.992950][ T5696] ? __free_pages+0x95/0x1a0
[ 231.997656][ T5696] ? vscnprintf+0x80/0x80
[ 232.002014][ T5696] gfs2_fill_super+0x120f/0x1f00
[ 232.006953][ T5696] ? gfs2_reconfigure+0xd30/0xd30
[ 232.011988][ T5696] ? sb_set_blocksize+0xa5/0xe0
[ 232.016949][ T5696] get_tree_bdev+0x3f1/0x610
[ 232.021527][ T5696] ? gfs2_reconfigure+0xd30/0xd30
[ 232.026543][ T5696] gfs2_get_tree+0x4d/0x1e0
[ 232.031037][ T5696] vfs_get_tree+0x88/0x270
[ 232.035444][ T5696] do_new_mount+0x24a/0xa40
[ 232.040024][ T5696] __se_sys_mount+0x2e3/0x3d0
[ 232.044712][ T5696] ? __x64_sys_mount+0xc0/0xc0
[ 232.049478][ T5696] ? lockdep_hardirqs_on+0x94/0x140
[ 232.054684][ T5696] ? __x64_sys_mount+0x1c/0xc0
[ 232.059446][ T5696] do_syscall_64+0x4c/0xa0
[ 232.063849][ T5696] ? clear_bhb_loop+0x30/0x80
[ 232.068517][ T5696] ? clear_bhb_loop+0x30/0x80
[ 232.073188][ T5696] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.079088][ T5696] RIP: 0033:0x7fca3377f60a
[ 232.083689][ T5696] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 232.103371][ T5696] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.111781][ T5696] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 232.119763][ T5696] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 232.127924][ T5696] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 232.135920][ T5696] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.143965][ T5696] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.151948][ T5696]
[ 232.156114][ T5696] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.169457][ T5696] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.468838][ T5698] loop1: detected capacity change from 0 to 32768
[ 232.525231][ T5698] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.532761][ T5698] CPU: 0 PID: 5698 Comm: syz.1.190 Not tainted syzkaller #0
[ 232.540092][ T5698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 232.550250][ T5698] Call Trace:
[ 232.553536][ T5698]
[ 232.556476][ T5698] dump_stack_lvl+0x188/0x250
[ 232.561563][ T5698] ? show_regs_print_info+0x20/0x20
[ 232.566865][ T5698] ? load_image+0x400/0x400
[ 232.571400][ T5698] sysfs_create_dir_ns+0x26a/0x290
[ 232.576524][ T5698] ? sysfs_warn_dup+0xa0/0xa0
[ 232.581220][ T5698] ? do_raw_spin_unlock+0x11d/0x230
[ 232.586442][ T5698] kobject_add_internal+0x6e0/0xd90
[ 232.591677][ T5698] kobject_init_and_add+0x128/0x190
[ 232.596882][ T5698] ? lockdep_softirqs_off+0x430/0x430
[ 232.602272][ T5698] ? kobject_add+0x230/0x230
[ 232.606943][ T5698] ? __init_swait_queue_head+0xa5/0x150
[ 232.612477][ T5698] gfs2_sys_fs_add+0x24f/0x4b0
[ 232.617226][ T5698] ? gfs2_recover_set+0x240/0x240
[ 232.622227][ T5698] ? snprintf+0xe5/0x140
[ 232.626455][ T5698] ? __free_pages+0x95/0x1a0
[ 232.631047][ T5698] ? vscnprintf+0x80/0x80
[ 232.635381][ T5698] gfs2_fill_super+0x120f/0x1f00
[ 232.640335][ T5698] ? gfs2_reconfigure+0xd30/0xd30
[ 232.645351][ T5698] ? sb_set_blocksize+0xa5/0xe0
[ 232.650189][ T5698] get_tree_bdev+0x3f1/0x610
[ 232.654767][ T5698] ? gfs2_reconfigure+0xd30/0xd30
[ 232.659865][ T5698] gfs2_get_tree+0x4d/0x1e0
[ 232.664393][ T5698] vfs_get_tree+0x88/0x270
[ 232.668822][ T5698] do_new_mount+0x24a/0xa40
[ 232.673336][ T5698] __se_sys_mount+0x2e3/0x3d0
[ 232.678015][ T5698] ? __x64_sys_mount+0xc0/0xc0
[ 232.682778][ T5698] ? lockdep_hardirqs_on+0x94/0x140
[ 232.687972][ T5698] ? __x64_sys_mount+0x1c/0xc0
[ 232.692740][ T5698] do_syscall_64+0x4c/0xa0
[ 232.697159][ T5698] ? clear_bhb_loop+0x30/0x80
[ 232.701819][ T5698] ? clear_bhb_loop+0x30/0x80
[ 232.706481][ T5698] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.712377][ T5698] RIP: 0033:0x7fca3377f60a
[ 232.716997][ T5698] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 232.736615][ T5698] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.745025][ T5698] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 232.752988][ T5698] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 232.760963][ T5698] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 232.768960][ T5698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.776930][ T5698] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.785041][ T5698]
[ 232.789977][ T5698] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.803257][ T5698] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.157749][ T5700] loop1: detected capacity change from 0 to 32768
[ 233.212519][ T5700] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.219992][ T5700] CPU: 0 PID: 5700 Comm: syz.1.191 Not tainted syzkaller #0
[ 233.227378][ T5700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 233.237454][ T5700] Call Trace:
[ 233.240743][ T5700]
[ 233.243684][ T5700] dump_stack_lvl+0x188/0x250
[ 233.248378][ T5700] ? show_regs_print_info+0x20/0x20
[ 233.253609][ T5700] ? load_image+0x400/0x400
[ 233.258139][ T5700] sysfs_create_dir_ns+0x26a/0x290
[ 233.263278][ T5700] ? sysfs_warn_dup+0xa0/0xa0
[ 233.267973][ T5700] ? do_raw_spin_unlock+0x11d/0x230
[ 233.273573][ T5700] kobject_add_internal+0x6e0/0xd90
[ 233.278987][ T5700] kobject_init_and_add+0x128/0x190
[ 233.284204][ T5700] ? lockdep_softirqs_off+0x430/0x430
[ 233.289595][ T5700] ? kobject_add+0x230/0x230
[ 233.294285][ T5700] ? __init_swait_queue_head+0xa5/0x150
[ 233.300010][ T5700] gfs2_sys_fs_add+0x24f/0x4b0
[ 233.304775][ T5700] ? gfs2_recover_set+0x240/0x240
[ 233.309958][ T5700] ? snprintf+0xe5/0x140
[ 233.314216][ T5700] ? __free_pages+0x95/0x1a0
[ 233.319223][ T5700] ? vscnprintf+0x80/0x80
[ 233.323555][ T5700] gfs2_fill_super+0x120f/0x1f00
[ 233.328679][ T5700] ? gfs2_reconfigure+0xd30/0xd30
[ 233.333827][ T5700] ? sb_set_blocksize+0xa5/0xe0
[ 233.338691][ T5700] get_tree_bdev+0x3f1/0x610
[ 233.343360][ T5700] ? gfs2_reconfigure+0xd30/0xd30
[ 233.348374][ T5700] gfs2_get_tree+0x4d/0x1e0
[ 233.352865][ T5700] vfs_get_tree+0x88/0x270
[ 233.357367][ T5700] do_new_mount+0x24a/0xa40
[ 233.362046][ T5700] __se_sys_mount+0x2e3/0x3d0
[ 233.366714][ T5700] ? __x64_sys_mount+0xc0/0xc0
[ 233.371494][ T5700] ? lockdep_hardirqs_on+0x94/0x140
[ 233.376721][ T5700] ? __x64_sys_mount+0x1c/0xc0
[ 233.381494][ T5700] do_syscall_64+0x4c/0xa0
[ 233.385927][ T5700] ? clear_bhb_loop+0x30/0x80
[ 233.390630][ T5700] ? clear_bhb_loop+0x30/0x80
[ 233.395320][ T5700] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.401307][ T5700] RIP: 0033:0x7fca3377f60a
[ 233.405714][ T5700] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 233.425417][ T5700] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.434222][ T5700] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 233.442187][ T5700] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 233.450149][ T5700] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 233.458114][ T5700] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.466262][ T5700] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.474358][ T5700]
[ 233.479613][ T5700] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.493658][ T5700] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.788865][ T5702] loop1: detected capacity change from 0 to 32768
[ 233.885335][ T5702] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.894397][ T5702] CPU: 1 PID: 5702 Comm: syz.1.192 Not tainted syzkaller #0
[ 233.901711][ T5702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 233.911773][ T5702] Call Trace:
[ 233.915067][ T5702]
[ 233.918023][ T5702] dump_stack_lvl+0x188/0x250
[ 233.922710][ T5702] ? show_regs_print_info+0x20/0x20
[ 233.927992][ T5702] ? load_image+0x400/0x400
[ 233.932602][ T5702] sysfs_create_dir_ns+0x26a/0x290
[ 233.937822][ T5702] ? sysfs_warn_dup+0xa0/0xa0
[ 233.942758][ T5702] ? do_raw_spin_unlock+0x11d/0x230
[ 233.947950][ T5702] kobject_add_internal+0x6e0/0xd90
[ 233.953313][ T5702] kobject_init_and_add+0x128/0x190
[ 233.958507][ T5702] ? lockdep_softirqs_off+0x430/0x430
[ 233.963871][ T5702] ? kobject_add+0x230/0x230
[ 233.968470][ T5702] ? __init_swait_queue_head+0xa5/0x150
[ 233.974018][ T5702] gfs2_sys_fs_add+0x24f/0x4b0
[ 233.978890][ T5702] ? gfs2_recover_set+0x240/0x240
[ 233.983928][ T5702] ? snprintf+0xe5/0x140
[ 233.988248][ T5702] ? __free_pages+0x95/0x1a0
[ 233.992843][ T5702] ? vscnprintf+0x80/0x80
[ 233.997322][ T5702] gfs2_fill_super+0x120f/0x1f00
[ 234.002281][ T5702] ? gfs2_reconfigure+0xd30/0xd30
[ 234.007301][ T5702] ? sb_set_blocksize+0xa5/0xe0
[ 234.012138][ T5702] get_tree_bdev+0x3f1/0x610
[ 234.016751][ T5702] ? gfs2_reconfigure+0xd30/0xd30
[ 234.021778][ T5702] gfs2_get_tree+0x4d/0x1e0
[ 234.026358][ T5702] vfs_get_tree+0x88/0x270
[ 234.030774][ T5702] do_new_mount+0x24a/0xa40
[ 234.035264][ T5702] __se_sys_mount+0x2e3/0x3d0
[ 234.039926][ T5702] ? __x64_sys_mount+0xc0/0xc0
[ 234.044673][ T5702] ? lockdep_hardirqs_on+0x94/0x140
[ 234.049896][ T5702] ? __x64_sys_mount+0x1c/0xc0
[ 234.054648][ T5702] do_syscall_64+0x4c/0xa0
[ 234.059059][ T5702] ? clear_bhb_loop+0x30/0x80
[ 234.063718][ T5702] ? clear_bhb_loop+0x30/0x80
[ 234.068386][ T5702] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.074261][ T5702] RIP: 0033:0x7fca3377f60a
[ 234.078659][ T5702] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 234.098277][ T5702] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.106710][ T5702] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 234.114773][ T5702] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 234.122922][ T5702] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 234.130886][ T5702] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.138852][ T5702] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.146952][ T5702]
[ 234.151368][ T5702] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.164829][ T5702] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.485875][ T5704] loop1: detected capacity change from 0 to 32768
[ 234.503994][ T5704] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.512213][ T5704] CPU: 0 PID: 5704 Comm: syz.1.193 Not tainted syzkaller #0
[ 234.519536][ T5704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 234.529603][ T5704] Call Trace:
[ 234.532901][ T5704]
[ 234.536008][ T5704] dump_stack_lvl+0x188/0x250
[ 234.540699][ T5704] ? show_regs_print_info+0x20/0x20
[ 234.545909][ T5704] ? load_image+0x400/0x400
[ 234.550437][ T5704] sysfs_create_dir_ns+0x26a/0x290
[ 234.555560][ T5704] ? sysfs_warn_dup+0xa0/0xa0
[ 234.560247][ T5704] ? do_raw_spin_unlock+0x11d/0x230
[ 234.565460][ T5704] kobject_add_internal+0x6e0/0xd90
[ 234.570723][ T5704] kobject_init_and_add+0x128/0x190
[ 234.575932][ T5704] ? lockdep_softirqs_off+0x430/0x430
[ 234.581317][ T5704] ? kobject_add+0x230/0x230
[ 234.586021][ T5704] ? __init_swait_queue_head+0xa5/0x150
[ 234.591572][ T5704] gfs2_sys_fs_add+0x24f/0x4b0
[ 234.596352][ T5704] ? gfs2_recover_set+0x240/0x240
[ 234.601365][ T5704] ? snprintf+0xe5/0x140
[ 234.605588][ T5704] ? __free_pages+0x95/0x1a0
[ 234.610167][ T5704] ? vscnprintf+0x80/0x80
[ 234.614513][ T5704] gfs2_fill_super+0x120f/0x1f00
[ 234.619555][ T5704] ? gfs2_reconfigure+0xd30/0xd30
[ 234.624659][ T5704] ? sb_set_blocksize+0xa5/0xe0
[ 234.629489][ T5704] get_tree_bdev+0x3f1/0x610
[ 234.634266][ T5704] ? gfs2_reconfigure+0xd30/0xd30
[ 234.639283][ T5704] gfs2_get_tree+0x4d/0x1e0
[ 234.643784][ T5704] vfs_get_tree+0x88/0x270
[ 234.648223][ T5704] do_new_mount+0x24a/0xa40
[ 234.652817][ T5704] __se_sys_mount+0x2e3/0x3d0
[ 234.657490][ T5704] ? __x64_sys_mount+0xc0/0xc0
[ 234.662476][ T5704] ? lockdep_hardirqs_on+0x94/0x140
[ 234.667704][ T5704] ? __x64_sys_mount+0x1c/0xc0
[ 234.672547][ T5704] do_syscall_64+0x4c/0xa0
[ 234.677104][ T5704] ? clear_bhb_loop+0x30/0x80
[ 234.681783][ T5704] ? clear_bhb_loop+0x30/0x80
[ 234.686455][ T5704] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.692337][ T5704] RIP: 0033:0x7fca3377f60a
[ 234.696841][ T5704] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 234.716626][ T5704] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.725047][ T5704] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 234.733219][ T5704] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 234.741430][ T5704] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 234.749398][ T5704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.757372][ T5704] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.765365][ T5704]
[ 234.769651][ T5704] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.782986][ T5704] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:36:00 executed programs: 179
[ 235.078900][ T5706] loop1: detected capacity change from 0 to 32768
[ 235.134654][ T5706] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.142198][ T5706] CPU: 1 PID: 5706 Comm: syz.1.194 Not tainted syzkaller #0
[ 235.149494][ T5706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 235.159559][ T5706] Call Trace:
[ 235.162850][ T5706]
[ 235.165817][ T5706] dump_stack_lvl+0x188/0x250
[ 235.170511][ T5706] ? show_regs_print_info+0x20/0x20
[ 235.175731][ T5706] ? load_image+0x400/0x400
[ 235.180361][ T5706] sysfs_create_dir_ns+0x26a/0x290
[ 235.185503][ T5706] ? sysfs_warn_dup+0xa0/0xa0
[ 235.190189][ T5706] ? do_raw_spin_unlock+0x11d/0x230
[ 235.195407][ T5706] kobject_add_internal+0x6e0/0xd90
[ 235.200718][ T5706] kobject_init_and_add+0x128/0x190
[ 235.205945][ T5706] ? lockdep_softirqs_off+0x430/0x430
[ 235.211360][ T5706] ? kobject_add+0x230/0x230
[ 235.215949][ T5706] ? __init_swait_queue_head+0xa5/0x150
[ 235.221537][ T5706] gfs2_sys_fs_add+0x24f/0x4b0
[ 235.226474][ T5706] ? gfs2_recover_set+0x240/0x240
[ 235.231509][ T5706] ? snprintf+0xe5/0x140
[ 235.235741][ T5706] ? __free_pages+0x95/0x1a0
[ 235.240358][ T5706] ? vscnprintf+0x80/0x80
[ 235.245125][ T5706] gfs2_fill_super+0x120f/0x1f00
[ 235.250056][ T5706] ? gfs2_reconfigure+0xd30/0xd30
[ 235.255075][ T5706] ? sb_set_blocksize+0xa5/0xe0
[ 235.259963][ T5706] get_tree_bdev+0x3f1/0x610
[ 235.264644][ T5706] ? gfs2_reconfigure+0xd30/0xd30
[ 235.269681][ T5706] gfs2_get_tree+0x4d/0x1e0
[ 235.274259][ T5706] vfs_get_tree+0x88/0x270
[ 235.278685][ T5706] do_new_mount+0x24a/0xa40
[ 235.283191][ T5706] __se_sys_mount+0x2e3/0x3d0
[ 235.287887][ T5706] ? __x64_sys_mount+0xc0/0xc0
[ 235.292640][ T5706] ? lockdep_hardirqs_on+0x94/0x140
[ 235.297958][ T5706] ? __x64_sys_mount+0x1c/0xc0
[ 235.302823][ T5706] do_syscall_64+0x4c/0xa0
[ 235.307232][ T5706] ? clear_bhb_loop+0x30/0x80
[ 235.311911][ T5706] ? clear_bhb_loop+0x30/0x80
[ 235.316575][ T5706] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.322452][ T5706] RIP: 0033:0x7fca3377f60a
[ 235.326859][ T5706] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 235.346738][ T5706] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.355159][ T5706] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 235.363141][ T5706] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 235.371107][ T5706] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 235.379067][ T5706] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.387029][ T5706] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.395130][ T5706]
[ 235.401817][ T5706] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.419086][ T5706] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.743137][ T5708] loop1: detected capacity change from 0 to 32768
[ 235.792513][ T5708] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.800098][ T5708] CPU: 0 PID: 5708 Comm: syz.1.195 Not tainted syzkaller #0
[ 235.807391][ T5708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 235.817573][ T5708] Call Trace:
[ 235.820890][ T5708]
[ 235.823928][ T5708] dump_stack_lvl+0x188/0x250
[ 235.828629][ T5708] ? show_regs_print_info+0x20/0x20
[ 235.834208][ T5708] ? load_image+0x400/0x400
[ 235.838820][ T5708] sysfs_create_dir_ns+0x26a/0x290
[ 235.843946][ T5708] ? sysfs_warn_dup+0xa0/0xa0
[ 235.848715][ T5708] ? do_raw_spin_unlock+0x11d/0x230
[ 235.853945][ T5708] kobject_add_internal+0x6e0/0xd90
[ 235.859170][ T5708] kobject_init_and_add+0x128/0x190
[ 235.864382][ T5708] ? lockdep_softirqs_off+0x430/0x430
[ 235.869772][ T5708] ? kobject_add+0x230/0x230
[ 235.874455][ T5708] ? __init_swait_queue_head+0xa5/0x150
[ 235.879995][ T5708] gfs2_sys_fs_add+0x24f/0x4b0
[ 235.884759][ T5708] ? gfs2_recover_set+0x240/0x240
[ 235.889861][ T5708] ? snprintf+0xe5/0x140
[ 235.894084][ T5708] ? __free_pages+0x95/0x1a0
[ 235.898657][ T5708] ? vscnprintf+0x80/0x80
[ 235.903076][ T5708] gfs2_fill_super+0x120f/0x1f00
[ 235.908020][ T5708] ? gfs2_reconfigure+0xd30/0xd30
[ 235.913055][ T5708] ? sb_set_blocksize+0xa5/0xe0
[ 235.918105][ T5708] get_tree_bdev+0x3f1/0x610
[ 235.922693][ T5708] ? gfs2_reconfigure+0xd30/0xd30
[ 235.927871][ T5708] gfs2_get_tree+0x4d/0x1e0
[ 235.932374][ T5708] vfs_get_tree+0x88/0x270
[ 235.936798][ T5708] do_new_mount+0x24a/0xa40
[ 235.941298][ T5708] __se_sys_mount+0x2e3/0x3d0
[ 235.946068][ T5708] ? __x64_sys_mount+0xc0/0xc0
[ 235.950832][ T5708] ? lockdep_hardirqs_on+0x94/0x140
[ 235.956022][ T5708] ? __x64_sys_mount+0x1c/0xc0
[ 235.960790][ T5708] do_syscall_64+0x4c/0xa0
[ 235.965200][ T5708] ? clear_bhb_loop+0x30/0x80
[ 235.969862][ T5708] ? clear_bhb_loop+0x30/0x80
[ 235.974597][ T5708] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.980483][ T5708] RIP: 0033:0x7fca3377f60a
[ 235.984886][ T5708] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 236.004565][ T5708] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.013053][ T5708] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 236.021010][ T5708] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 236.029071][ T5708] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 236.037126][ T5708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.045277][ T5708] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.053519][ T5708]
[ 236.058245][ T5708] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.071440][ T5708] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.379574][ T5710] loop1: detected capacity change from 0 to 32768
[ 236.442388][ T5710] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.449996][ T5710] CPU: 1 PID: 5710 Comm: syz.1.196 Not tainted syzkaller #0
[ 236.457483][ T5710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 236.467559][ T5710] Call Trace:
[ 236.470845][ T5710]
[ 236.473779][ T5710] dump_stack_lvl+0x188/0x250
[ 236.478560][ T5710] ? show_regs_print_info+0x20/0x20
[ 236.483930][ T5710] ? load_image+0x400/0x400
[ 236.488456][ T5710] sysfs_create_dir_ns+0x26a/0x290
[ 236.493585][ T5710] ? sysfs_warn_dup+0xa0/0xa0
[ 236.498305][ T5710] ? do_raw_spin_unlock+0x11d/0x230
[ 236.503639][ T5710] kobject_add_internal+0x6e0/0xd90
[ 236.508868][ T5710] kobject_init_and_add+0x128/0x190
[ 236.514258][ T5710] ? lockdep_softirqs_off+0x430/0x430
[ 236.519736][ T5710] ? kobject_add+0x230/0x230
[ 236.524365][ T5710] ? __init_swait_queue_head+0xa5/0x150
[ 236.529908][ T5710] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.534685][ T5710] ? gfs2_recover_set+0x240/0x240
[ 236.539885][ T5710] ? snprintf+0xe5/0x140
[ 236.544210][ T5710] ? __free_pages+0x95/0x1a0
[ 236.548795][ T5710] ? vscnprintf+0x80/0x80
[ 236.553120][ T5710] gfs2_fill_super+0x120f/0x1f00
[ 236.558056][ T5710] ? gfs2_reconfigure+0xd30/0xd30
[ 236.563095][ T5710] ? sb_set_blocksize+0xa5/0xe0
[ 236.567929][ T5710] get_tree_bdev+0x3f1/0x610
[ 236.572506][ T5710] ? gfs2_reconfigure+0xd30/0xd30
[ 236.577533][ T5710] gfs2_get_tree+0x4d/0x1e0
[ 236.582120][ T5710] vfs_get_tree+0x88/0x270
[ 236.586568][ T5710] do_new_mount+0x24a/0xa40
[ 236.591074][ T5710] __se_sys_mount+0x2e3/0x3d0
[ 236.595751][ T5710] ? __x64_sys_mount+0xc0/0xc0
[ 236.600510][ T5710] ? lockdep_hardirqs_on+0x94/0x140
[ 236.605722][ T5710] ? __x64_sys_mount+0x1c/0xc0
[ 236.610511][ T5710] do_syscall_64+0x4c/0xa0
[ 236.614943][ T5710] ? clear_bhb_loop+0x30/0x80
[ 236.619622][ T5710] ? clear_bhb_loop+0x30/0x80
[ 236.624300][ T5710] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.630180][ T5710] RIP: 0033:0x7fca3377f60a
[ 236.634668][ T5710] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 236.654274][ T5710] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.662773][ T5710] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 236.671155][ T5710] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 236.679124][ T5710] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 236.687106][ T5710] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.695071][ T5710] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.703441][ T5710]
[ 236.714772][ T5710] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.728982][ T5710] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.034031][ T5712] loop1: detected capacity change from 0 to 32768
[ 237.082831][ T5712] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.090254][ T5712] CPU: 0 PID: 5712 Comm: syz.1.197 Not tainted syzkaller #0
[ 237.097554][ T5712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 237.107690][ T5712] Call Trace:
[ 237.110989][ T5712]
[ 237.113927][ T5712] dump_stack_lvl+0x188/0x250
[ 237.118617][ T5712] ? show_regs_print_info+0x20/0x20
[ 237.123828][ T5712] ? load_image+0x400/0x400
[ 237.128356][ T5712] sysfs_create_dir_ns+0x26a/0x290
[ 237.133578][ T5712] ? sysfs_warn_dup+0xa0/0xa0
[ 237.138363][ T5712] ? do_raw_spin_unlock+0x11d/0x230
[ 237.143574][ T5712] kobject_add_internal+0x6e0/0xd90
[ 237.148894][ T5712] kobject_init_and_add+0x128/0x190
[ 237.154107][ T5712] ? lockdep_softirqs_off+0x430/0x430
[ 237.159682][ T5712] ? kobject_add+0x230/0x230
[ 237.164288][ T5712] ? __init_swait_queue_head+0xa5/0x150
[ 237.169874][ T5712] gfs2_sys_fs_add+0x24f/0x4b0
[ 237.174642][ T5712] ? gfs2_recover_set+0x240/0x240
[ 237.179655][ T5712] ? snprintf+0xe5/0x140
[ 237.183965][ T5712] ? __free_pages+0x95/0x1a0
[ 237.188543][ T5712] ? vscnprintf+0x80/0x80
[ 237.192885][ T5712] gfs2_fill_super+0x120f/0x1f00
[ 237.197857][ T5712] ? gfs2_reconfigure+0xd30/0xd30
[ 237.202998][ T5712] ? sb_set_blocksize+0xa5/0xe0
[ 237.207933][ T5712] get_tree_bdev+0x3f1/0x610
[ 237.212574][ T5712] ? gfs2_reconfigure+0xd30/0xd30
[ 237.217690][ T5712] gfs2_get_tree+0x4d/0x1e0
[ 237.222205][ T5712] vfs_get_tree+0x88/0x270
[ 237.226712][ T5712] do_new_mount+0x24a/0xa40
[ 237.231228][ T5712] __se_sys_mount+0x2e3/0x3d0
[ 237.235990][ T5712] ? __x64_sys_mount+0xc0/0xc0
[ 237.240806][ T5712] ? lockdep_hardirqs_on+0x94/0x140
[ 237.245990][ T5712] ? __x64_sys_mount+0x1c/0xc0
[ 237.250827][ T5712] do_syscall_64+0x4c/0xa0
[ 237.255230][ T5712] ? clear_bhb_loop+0x30/0x80
[ 237.259886][ T5712] ? clear_bhb_loop+0x30/0x80
[ 237.264551][ T5712] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.270536][ T5712] RIP: 0033:0x7fca3377f60a
[ 237.274954][ T5712] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 237.294858][ T5712] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.303352][ T5712] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 237.311329][ T5712] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 237.319382][ T5712] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 237.327347][ T5712] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.335319][ T5712] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.343401][ T5712]
[ 237.347635][ T5712] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.360802][ T5712] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.675999][ T5714] loop1: detected capacity change from 0 to 32768
[ 237.738983][ T5714] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.753863][ T5714] CPU: 1 PID: 5714 Comm: syz.1.198 Not tainted syzkaller #0
[ 237.761275][ T5714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 237.771426][ T5714] Call Trace:
[ 237.774724][ T5714]
[ 237.777764][ T5714] dump_stack_lvl+0x188/0x250
[ 237.782466][ T5714] ? show_regs_print_info+0x20/0x20
[ 237.788291][ T5714] ? load_image+0x400/0x400
[ 237.792865][ T5714] sysfs_create_dir_ns+0x26a/0x290
[ 237.797992][ T5714] ? sysfs_warn_dup+0xa0/0xa0
[ 237.802818][ T5714] ? do_raw_spin_unlock+0x11d/0x230
[ 237.808380][ T5714] kobject_add_internal+0x6e0/0xd90
[ 237.813606][ T5714] kobject_init_and_add+0x128/0x190
[ 237.818913][ T5714] ? lockdep_softirqs_off+0x430/0x430
[ 237.824299][ T5714] ? kobject_add+0x230/0x230
[ 237.829046][ T5714] ? __init_swait_queue_head+0xa5/0x150
[ 237.834596][ T5714] gfs2_sys_fs_add+0x24f/0x4b0
[ 237.839394][ T5714] ? gfs2_recover_set+0x240/0x240
[ 237.844422][ T5714] ? snprintf+0xe5/0x140
[ 237.848749][ T5714] ? __free_pages+0x95/0x1a0
[ 237.853330][ T5714] ? vscnprintf+0x80/0x80
[ 237.857752][ T5714] gfs2_fill_super+0x120f/0x1f00
[ 237.862719][ T5714] ? gfs2_reconfigure+0xd30/0xd30
[ 237.867756][ T5714] ? sb_set_blocksize+0xa5/0xe0
[ 237.872721][ T5714] get_tree_bdev+0x3f1/0x610
[ 237.877892][ T5714] ? gfs2_reconfigure+0xd30/0xd30
[ 237.882932][ T5714] gfs2_get_tree+0x4d/0x1e0
[ 237.887566][ T5714] vfs_get_tree+0x88/0x270
[ 237.892068][ T5714] do_new_mount+0x24a/0xa40
[ 237.896587][ T5714] __se_sys_mount+0x2e3/0x3d0
[ 237.901565][ T5714] ? __x64_sys_mount+0xc0/0xc0
[ 237.906345][ T5714] ? lockdep_hardirqs_on+0x94/0x140
[ 237.911624][ T5714] ? __x64_sys_mount+0x1c/0xc0
[ 237.916390][ T5714] do_syscall_64+0x4c/0xa0
[ 237.920807][ T5714] ? clear_bhb_loop+0x30/0x80
[ 237.925560][ T5714] ? clear_bhb_loop+0x30/0x80
[ 237.930236][ T5714] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.936209][ T5714] RIP: 0033:0x7fca3377f60a
[ 237.940646][ T5714] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 237.960485][ T5714] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.969092][ T5714] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 237.977226][ T5714] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 237.985198][ T5714] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 237.993268][ T5714] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.001244][ T5714] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.009236][ T5714]
[ 238.013898][ T5714] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.027344][ T5714] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.335785][ T5716] loop1: detected capacity change from 0 to 32768
[ 238.354442][ T5716] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.361993][ T5716] CPU: 1 PID: 5716 Comm: syz.1.199 Not tainted syzkaller #0
[ 238.369384][ T5716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 238.379536][ T5716] Call Trace:
[ 238.382822][ T5716]
[ 238.385816][ T5716] dump_stack_lvl+0x188/0x250
[ 238.390543][ T5716] ? show_regs_print_info+0x20/0x20
[ 238.395766][ T5716] ? load_image+0x400/0x400
[ 238.400301][ T5716] sysfs_create_dir_ns+0x26a/0x290
[ 238.405822][ T5716] ? sysfs_warn_dup+0xa0/0xa0
[ 238.410522][ T5716] ? do_raw_spin_unlock+0x11d/0x230
[ 238.415735][ T5716] kobject_add_internal+0x6e0/0xd90
[ 238.420951][ T5716] kobject_init_and_add+0x128/0x190
[ 238.426164][ T5716] ? lockdep_softirqs_off+0x430/0x430
[ 238.431561][ T5716] ? kobject_add+0x230/0x230
[ 238.436165][ T5716] ? __init_swait_queue_head+0xa5/0x150
[ 238.441818][ T5716] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.446609][ T5716] ? gfs2_recover_set+0x240/0x240
[ 238.451645][ T5716] ? snprintf+0xe5/0x140
[ 238.455889][ T5716] ? __free_pages+0x95/0x1a0
[ 238.460485][ T5716] ? vscnprintf+0x80/0x80
[ 238.464834][ T5716] gfs2_fill_super+0x120f/0x1f00
[ 238.469776][ T5716] ? gfs2_reconfigure+0xd30/0xd30
[ 238.474807][ T5716] ? sb_set_blocksize+0xa5/0xe0
[ 238.479643][ T5716] get_tree_bdev+0x3f1/0x610
[ 238.484223][ T5716] ? gfs2_reconfigure+0xd30/0xd30
[ 238.489240][ T5716] gfs2_get_tree+0x4d/0x1e0
[ 238.493733][ T5716] vfs_get_tree+0x88/0x270
[ 238.498141][ T5716] do_new_mount+0x24a/0xa40
[ 238.502643][ T5716] __se_sys_mount+0x2e3/0x3d0
[ 238.507325][ T5716] ? __x64_sys_mount+0xc0/0xc0
[ 238.512079][ T5716] ? lockdep_hardirqs_on+0x94/0x140
[ 238.517314][ T5716] ? __x64_sys_mount+0x1c/0xc0
[ 238.522070][ T5716] do_syscall_64+0x4c/0xa0
[ 238.526484][ T5716] ? clear_bhb_loop+0x30/0x80
[ 238.531141][ T5716] ? clear_bhb_loop+0x30/0x80
[ 238.535802][ T5716] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.541683][ T5716] RIP: 0033:0x7fca3377f60a
[ 238.546112][ T5716] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 238.565812][ T5716] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.574214][ T5716] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 238.582182][ T5716] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 238.590164][ T5716] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 238.598224][ T5716] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.606229][ T5716] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.614219][ T5716]
[ 238.618382][ T5716] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.631757][ T5716] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.936519][ T5718] loop1: detected capacity change from 0 to 32768
[ 238.990465][ T5718] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.997929][ T5718] CPU: 0 PID: 5718 Comm: syz.1.200 Not tainted syzkaller #0
[ 239.005220][ T5718] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 239.015329][ T5718] Call Trace:
[ 239.018741][ T5718]
[ 239.021686][ T5718] dump_stack_lvl+0x188/0x250
[ 239.026486][ T5718] ? show_regs_print_info+0x20/0x20
[ 239.031702][ T5718] ? load_image+0x400/0x400
[ 239.036225][ T5718] sysfs_create_dir_ns+0x26a/0x290
[ 239.041350][ T5718] ? sysfs_warn_dup+0xa0/0xa0
[ 239.046039][ T5718] ? do_raw_spin_unlock+0x11d/0x230
[ 239.051464][ T5718] kobject_add_internal+0x6e0/0xd90
[ 239.056773][ T5718] kobject_init_and_add+0x128/0x190
[ 239.062074][ T5718] ? lockdep_softirqs_off+0x430/0x430
[ 239.067663][ T5718] ? kobject_add+0x230/0x230
[ 239.072270][ T5718] ? __init_swait_queue_head+0xa5/0x150
[ 239.077913][ T5718] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.082680][ T5718] ? gfs2_recover_set+0x240/0x240
[ 239.087776][ T5718] ? snprintf+0xe5/0x140
[ 239.091997][ T5718] ? __free_pages+0x95/0x1a0
[ 239.096583][ T5718] ? vscnprintf+0x80/0x80
[ 239.100898][ T5718] gfs2_fill_super+0x120f/0x1f00
[ 239.105852][ T5718] ? gfs2_reconfigure+0xd30/0xd30
[ 239.110965][ T5718] ? sb_set_blocksize+0xa5/0xe0
[ 239.115805][ T5718] get_tree_bdev+0x3f1/0x610
[ 239.120383][ T5718] ? gfs2_reconfigure+0xd30/0xd30
[ 239.125456][ T5718] gfs2_get_tree+0x4d/0x1e0
[ 239.129951][ T5718] vfs_get_tree+0x88/0x270
[ 239.134353][ T5718] do_new_mount+0x24a/0xa40
[ 239.138852][ T5718] __se_sys_mount+0x2e3/0x3d0
[ 239.143510][ T5718] ? __x64_sys_mount+0xc0/0xc0
[ 239.148255][ T5718] ? lockdep_hardirqs_on+0x94/0x140
[ 239.153536][ T5718] ? __x64_sys_mount+0x1c/0xc0
[ 239.158303][ T5718] do_syscall_64+0x4c/0xa0
[ 239.162717][ T5718] ? clear_bhb_loop+0x30/0x80
[ 239.167373][ T5718] ? clear_bhb_loop+0x30/0x80
[ 239.172037][ T5718] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.178016][ T5718] RIP: 0033:0x7fca3377f60a
[ 239.182421][ T5718] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 239.202140][ T5718] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.211141][ T5718] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 239.219199][ T5718] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 239.227250][ T5718] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 239.235558][ T5718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.243517][ T5718] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.251597][ T5718]
[ 239.255976][ T5718] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.269148][ T5718] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.565426][ T5720] loop1: detected capacity change from 0 to 32768
[ 239.583373][ T5720] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.590818][ T5720] CPU: 1 PID: 5720 Comm: syz.1.201 Not tainted syzkaller #0
[ 239.598203][ T5720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 239.608358][ T5720] Call Trace:
[ 239.611652][ T5720]
[ 239.614593][ T5720] dump_stack_lvl+0x188/0x250
[ 239.619321][ T5720] ? show_regs_print_info+0x20/0x20
[ 239.624616][ T5720] ? load_image+0x400/0x400
[ 239.629140][ T5720] sysfs_create_dir_ns+0x26a/0x290
[ 239.634262][ T5720] ? sysfs_warn_dup+0xa0/0xa0
[ 239.638955][ T5720] ? do_raw_spin_unlock+0x11d/0x230
[ 239.644162][ T5720] kobject_add_internal+0x6e0/0xd90
[ 239.649463][ T5720] kobject_init_and_add+0x128/0x190
[ 239.654681][ T5720] ? lockdep_softirqs_off+0x430/0x430
[ 239.660153][ T5720] ? kobject_add+0x230/0x230
[ 239.664748][ T5720] ? __init_swait_queue_head+0xa5/0x150
[ 239.670307][ T5720] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.675241][ T5720] ? gfs2_recover_set+0x240/0x240
[ 239.680265][ T5720] ? snprintf+0xe5/0x140
[ 239.684507][ T5720] ? __free_pages+0x95/0x1a0
[ 239.689100][ T5720] ? vscnprintf+0x80/0x80
[ 239.693653][ T5720] gfs2_fill_super+0x120f/0x1f00
[ 239.698593][ T5720] ? gfs2_reconfigure+0xd30/0xd30
[ 239.703633][ T5720] ? sb_set_blocksize+0xa5/0xe0
[ 239.708470][ T5720] get_tree_bdev+0x3f1/0x610
[ 239.713067][ T5720] ? gfs2_reconfigure+0xd30/0xd30
[ 239.718091][ T5720] gfs2_get_tree+0x4d/0x1e0
[ 239.722689][ T5720] vfs_get_tree+0x88/0x270
[ 239.727098][ T5720] do_new_mount+0x24a/0xa40
[ 239.731603][ T5720] __se_sys_mount+0x2e3/0x3d0
[ 239.736302][ T5720] ? __x64_sys_mount+0xc0/0xc0
[ 239.741070][ T5720] ? lockdep_hardirqs_on+0x94/0x140
[ 239.746253][ T5720] ? __x64_sys_mount+0x1c/0xc0
[ 239.751007][ T5720] do_syscall_64+0x4c/0xa0
[ 239.755407][ T5720] ? clear_bhb_loop+0x30/0x80
[ 239.760070][ T5720] ? clear_bhb_loop+0x30/0x80
[ 239.764745][ T5720] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.770657][ T5720] RIP: 0033:0x7fca3377f60a
[ 239.775064][ T5720] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 239.794948][ T5720] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.803366][ T5720] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 239.811555][ T5720] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 239.819526][ T5720] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 239.827575][ T5720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.835546][ T5720] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.843533][ T5720]
[ 239.852766][ T5720] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.866184][ T5720] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:36:05 executed programs: 187
[ 240.171296][ T5722] loop1: detected capacity change from 0 to 32768
[ 240.216830][ T5722] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.230191][ T5722] CPU: 1 PID: 5722 Comm: syz.1.202 Not tainted syzkaller #0
[ 240.237512][ T5722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 240.247575][ T5722] Call Trace:
[ 240.250875][ T5722]
[ 240.253901][ T5722] dump_stack_lvl+0x188/0x250
[ 240.258597][ T5722] ? show_regs_print_info+0x20/0x20
[ 240.263810][ T5722] ? load_image+0x400/0x400
[ 240.268377][ T5722] sysfs_create_dir_ns+0x26a/0x290
[ 240.273497][ T5722] ? sysfs_warn_dup+0xa0/0xa0
[ 240.278215][ T5722] ? do_raw_spin_unlock+0x11d/0x230
[ 240.283656][ T5722] kobject_add_internal+0x6e0/0xd90
[ 240.288909][ T5722] kobject_init_and_add+0x128/0x190
[ 240.294132][ T5722] ? lockdep_softirqs_off+0x430/0x430
[ 240.299610][ T5722] ? kobject_add+0x230/0x230
[ 240.304307][ T5722] ? __init_swait_queue_head+0xa5/0x150
[ 240.309960][ T5722] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.314729][ T5722] ? gfs2_recover_set+0x240/0x240
[ 240.319929][ T5722] ? snprintf+0xe5/0x140
[ 240.324287][ T5722] ? __free_pages+0x95/0x1a0
[ 240.328881][ T5722] ? vscnprintf+0x80/0x80
[ 240.333213][ T5722] gfs2_fill_super+0x120f/0x1f00
[ 240.338154][ T5722] ? gfs2_reconfigure+0xd30/0xd30
[ 240.343189][ T5722] ? sb_set_blocksize+0xa5/0xe0
[ 240.348073][ T5722] get_tree_bdev+0x3f1/0x610
[ 240.352714][ T5722] ? gfs2_reconfigure+0xd30/0xd30
[ 240.357834][ T5722] gfs2_get_tree+0x4d/0x1e0
[ 240.362332][ T5722] vfs_get_tree+0x88/0x270
[ 240.366837][ T5722] do_new_mount+0x24a/0xa40
[ 240.371329][ T5722] __se_sys_mount+0x2e3/0x3d0
[ 240.375997][ T5722] ? __x64_sys_mount+0xc0/0xc0
[ 240.380889][ T5722] ? lockdep_hardirqs_on+0x94/0x140
[ 240.386079][ T5722] ? __x64_sys_mount+0x1c/0xc0
[ 240.390832][ T5722] do_syscall_64+0x4c/0xa0
[ 240.395345][ T5722] ? clear_bhb_loop+0x30/0x80
[ 240.400032][ T5722] ? clear_bhb_loop+0x30/0x80
[ 240.404696][ T5722] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.410601][ T5722] RIP: 0033:0x7fca3377f60a
[ 240.415002][ T5722] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 240.434598][ T5722] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.443093][ T5722] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 240.451180][ T5722] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 240.459369][ T5722] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 240.467339][ T5722] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.475298][ T5722] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.483278][ T5722]
[ 240.491099][ T5722] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.504356][ T5722] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.797425][ T5724] loop1: detected capacity change from 0 to 32768
[ 240.850883][ T5724] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.859591][ T5724] CPU: 0 PID: 5724 Comm: syz.1.203 Not tainted syzkaller #0
[ 240.867015][ T5724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 240.877080][ T5724] Call Trace:
[ 240.880456][ T5724]
[ 240.883394][ T5724] dump_stack_lvl+0x188/0x250
[ 240.888079][ T5724] ? show_regs_print_info+0x20/0x20
[ 240.893290][ T5724] ? load_image+0x400/0x400
[ 240.897810][ T5724] sysfs_create_dir_ns+0x26a/0x290
[ 240.902932][ T5724] ? sysfs_warn_dup+0xa0/0xa0
[ 240.907624][ T5724] ? do_raw_spin_unlock+0x11d/0x230
[ 240.912843][ T5724] kobject_add_internal+0x6e0/0xd90
[ 240.918065][ T5724] kobject_init_and_add+0x128/0x190
[ 240.923489][ T5724] ? lockdep_softirqs_off+0x430/0x430
[ 240.928877][ T5724] ? kobject_add+0x230/0x230
[ 240.933464][ T5724] ? __init_swait_queue_head+0xa5/0x150
[ 240.939013][ T5724] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.943786][ T5724] ? gfs2_recover_set+0x240/0x240
[ 240.948807][ T5724] ? snprintf+0xe5/0x140
[ 240.953143][ T5724] ? __free_pages+0x95/0x1a0
[ 240.957729][ T5724] ? vscnprintf+0x80/0x80
[ 240.962071][ T5724] gfs2_fill_super+0x120f/0x1f00
[ 240.967040][ T5724] ? gfs2_reconfigure+0xd30/0xd30
[ 240.972073][ T5724] ? sb_set_blocksize+0xa5/0xe0
[ 240.976912][ T5724] get_tree_bdev+0x3f1/0x610
[ 240.981602][ T5724] ? gfs2_reconfigure+0xd30/0xd30
[ 240.986798][ T5724] gfs2_get_tree+0x4d/0x1e0
[ 240.991291][ T5724] vfs_get_tree+0x88/0x270
[ 240.995695][ T5724] do_new_mount+0x24a/0xa40
[ 241.000185][ T5724] __se_sys_mount+0x2e3/0x3d0
[ 241.004846][ T5724] ? __x64_sys_mount+0xc0/0xc0
[ 241.009767][ T5724] ? lockdep_hardirqs_on+0x94/0x140
[ 241.014957][ T5724] ? __x64_sys_mount+0x1c/0xc0
[ 241.019727][ T5724] do_syscall_64+0x4c/0xa0
[ 241.024222][ T5724] ? clear_bhb_loop+0x30/0x80
[ 241.028882][ T5724] ? clear_bhb_loop+0x30/0x80
[ 241.033658][ T5724] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.039561][ T5724] RIP: 0033:0x7fca3377f60a
[ 241.043971][ T5724] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 241.063575][ T5724] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.072235][ T5724] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 241.080216][ T5724] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 241.088428][ T5724] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 241.096586][ T5724] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.105039][ T5724] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.113288][ T5724]
[ 241.117601][ T5724] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.132018][ T5724] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.427911][ T5726] loop1: detected capacity change from 0 to 32768
[ 241.483035][ T5726] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.490635][ T5726] CPU: 1 PID: 5726 Comm: syz.1.204 Not tainted syzkaller #0
[ 241.498017][ T5726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 241.508088][ T5726] Call Trace:
[ 241.511388][ T5726]
[ 241.514326][ T5726] dump_stack_lvl+0x188/0x250
[ 241.519014][ T5726] ? show_regs_print_info+0x20/0x20
[ 241.524231][ T5726] ? load_image+0x400/0x400
[ 241.528769][ T5726] sysfs_create_dir_ns+0x26a/0x290
[ 241.534071][ T5726] ? sysfs_warn_dup+0xa0/0xa0
[ 241.538764][ T5726] ? do_raw_spin_unlock+0x11d/0x230
[ 241.544065][ T5726] kobject_add_internal+0x6e0/0xd90
[ 241.549287][ T5726] kobject_init_and_add+0x128/0x190
[ 241.554503][ T5726] ? lockdep_softirqs_off+0x430/0x430
[ 241.559972][ T5726] ? kobject_add+0x230/0x230
[ 241.564644][ T5726] ? __init_swait_queue_head+0xa5/0x150
[ 241.570180][ T5726] gfs2_sys_fs_add+0x24f/0x4b0
[ 241.574934][ T5726] ? gfs2_recover_set+0x240/0x240
[ 241.579971][ T5726] ? snprintf+0xe5/0x140
[ 241.584328][ T5726] ? __free_pages+0x95/0x1a0
[ 241.589000][ T5726] ? vscnprintf+0x80/0x80
[ 241.593325][ T5726] gfs2_fill_super+0x120f/0x1f00
[ 241.598266][ T5726] ? gfs2_reconfigure+0xd30/0xd30
[ 241.603286][ T5726] ? sb_set_blocksize+0xa5/0xe0
[ 241.608556][ T5726] get_tree_bdev+0x3f1/0x610
[ 241.613312][ T5726] ? gfs2_reconfigure+0xd30/0xd30
[ 241.618462][ T5726] gfs2_get_tree+0x4d/0x1e0
[ 241.623137][ T5726] vfs_get_tree+0x88/0x270
[ 241.627548][ T5726] do_new_mount+0x24a/0xa40
[ 241.632138][ T5726] __se_sys_mount+0x2e3/0x3d0
[ 241.636809][ T5726] ? __x64_sys_mount+0xc0/0xc0
[ 241.641566][ T5726] ? lockdep_hardirqs_on+0x94/0x140
[ 241.646856][ T5726] ? __x64_sys_mount+0x1c/0xc0
[ 241.651621][ T5726] do_syscall_64+0x4c/0xa0
[ 241.656147][ T5726] ? clear_bhb_loop+0x30/0x80
[ 241.661054][ T5726] ? clear_bhb_loop+0x30/0x80
[ 241.665735][ T5726] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.671620][ T5726] RIP: 0033:0x7fca3377f60a
[ 241.676075][ T5726] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 241.695704][ T5726] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.704117][ T5726] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 241.712795][ T5726] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 241.720987][ T5726] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 241.729061][ T5726] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.737113][ T5726] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.745188][ T5726]
[ 241.749446][ T5726] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.762623][ T5726] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.080428][ T5728] loop1: detected capacity change from 0 to 32768
[ 242.131310][ T5728] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.138889][ T5728] CPU: 1 PID: 5728 Comm: syz.1.205 Not tainted syzkaller #0
[ 242.146270][ T5728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 242.156511][ T5728] Call Trace:
[ 242.159805][ T5728]
[ 242.162750][ T5728] dump_stack_lvl+0x188/0x250
[ 242.167446][ T5728] ? show_regs_print_info+0x20/0x20
[ 242.172682][ T5728] ? load_image+0x400/0x400
[ 242.177477][ T5728] sysfs_create_dir_ns+0x26a/0x290
[ 242.182619][ T5728] ? sysfs_warn_dup+0xa0/0xa0
[ 242.187327][ T5728] ? do_raw_spin_unlock+0x11d/0x230
[ 242.192554][ T5728] kobject_add_internal+0x6e0/0xd90
[ 242.197779][ T5728] kobject_init_and_add+0x128/0x190
[ 242.202993][ T5728] ? lockdep_softirqs_off+0x430/0x430
[ 242.208473][ T5728] ? kobject_add+0x230/0x230
[ 242.213322][ T5728] ? __init_swait_queue_head+0xa5/0x150
[ 242.219104][ T5728] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.224077][ T5728] ? gfs2_recover_set+0x240/0x240
[ 242.229224][ T5728] ? snprintf+0xe5/0x140
[ 242.233459][ T5728] ? __free_pages+0x95/0x1a0
[ 242.238044][ T5728] ? vscnprintf+0x80/0x80
[ 242.242394][ T5728] gfs2_fill_super+0x120f/0x1f00
[ 242.247430][ T5728] ? gfs2_reconfigure+0xd30/0xd30
[ 242.252456][ T5728] ? sb_set_blocksize+0xa5/0xe0
[ 242.257292][ T5728] get_tree_bdev+0x3f1/0x610
[ 242.261993][ T5728] ? gfs2_reconfigure+0xd30/0xd30
[ 242.267149][ T5728] gfs2_get_tree+0x4d/0x1e0
[ 242.271662][ T5728] vfs_get_tree+0x88/0x270
[ 242.276076][ T5728] do_new_mount+0x24a/0xa40
[ 242.280579][ T5728] __se_sys_mount+0x2e3/0x3d0
[ 242.285286][ T5728] ? __x64_sys_mount+0xc0/0xc0
[ 242.290060][ T5728] ? lockdep_hardirqs_on+0x94/0x140
[ 242.295262][ T5728] ? __x64_sys_mount+0x1c/0xc0
[ 242.300022][ T5728] do_syscall_64+0x4c/0xa0
[ 242.304425][ T5728] ? clear_bhb_loop+0x30/0x80
[ 242.309089][ T5728] ? clear_bhb_loop+0x30/0x80
[ 242.313930][ T5728] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.319809][ T5728] RIP: 0033:0x7fca3377f60a
[ 242.324237][ T5728] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 242.344567][ T5728] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.353080][ T5728] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 242.361327][ T5728] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 242.369387][ T5728] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 242.371715][ T4401] Bluetooth: hci1: command 0x0406 tx timeout
[ 242.377438][ T5728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.391634][ T5728] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.399721][ T5728]
[ 242.404696][ T5728] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.418468][ T5728] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.737325][ T5730] loop1: detected capacity change from 0 to 32768
[ 242.786508][ T5730] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.794611][ T5730] CPU: 1 PID: 5730 Comm: syz.1.206 Not tainted syzkaller #0
[ 242.801962][ T5730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 242.812349][ T5730] Call Trace:
[ 242.815875][ T5730]
[ 242.818862][ T5730] dump_stack_lvl+0x188/0x250
[ 242.823553][ T5730] ? show_regs_print_info+0x20/0x20
[ 242.829159][ T5730] ? load_image+0x400/0x400
[ 242.833688][ T5730] sysfs_create_dir_ns+0x26a/0x290
[ 242.838837][ T5730] ? sysfs_warn_dup+0xa0/0xa0
[ 242.843777][ T5730] ? do_raw_spin_unlock+0x11d/0x230
[ 242.849100][ T5730] kobject_add_internal+0x6e0/0xd90
[ 242.854449][ T5730] kobject_init_and_add+0x128/0x190
[ 242.860170][ T5730] ? lockdep_softirqs_off+0x430/0x430
[ 242.865549][ T5730] ? kobject_add+0x230/0x230
[ 242.870163][ T5730] ? __init_swait_queue_head+0xa5/0x150
[ 242.875914][ T5730] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.880782][ T5730] ? gfs2_recover_set+0x240/0x240
[ 242.885809][ T5730] ? snprintf+0xe5/0x140
[ 242.890081][ T5730] ? __free_pages+0x95/0x1a0
[ 242.894759][ T5730] ? vscnprintf+0x80/0x80
[ 242.899379][ T5730] gfs2_fill_super+0x120f/0x1f00
[ 242.904324][ T5730] ? gfs2_reconfigure+0xd30/0xd30
[ 242.909356][ T5730] ? sb_set_blocksize+0xa5/0xe0
[ 242.914243][ T5730] get_tree_bdev+0x3f1/0x610
[ 242.919312][ T5730] ? gfs2_reconfigure+0xd30/0xd30
[ 242.924519][ T5730] gfs2_get_tree+0x4d/0x1e0
[ 242.929092][ T5730] vfs_get_tree+0x88/0x270
[ 242.933600][ T5730] do_new_mount+0x24a/0xa40
[ 242.938281][ T5730] __se_sys_mount+0x2e3/0x3d0
[ 242.942993][ T5730] ? __x64_sys_mount+0xc0/0xc0
[ 242.947846][ T5730] ? lockdep_hardirqs_on+0x94/0x140
[ 242.953140][ T5730] ? __x64_sys_mount+0x1c/0xc0
[ 242.957911][ T5730] do_syscall_64+0x4c/0xa0
[ 242.962334][ T5730] ? clear_bhb_loop+0x30/0x80
[ 242.967211][ T5730] ? clear_bhb_loop+0x30/0x80
[ 242.971882][ T5730] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.977797][ T5730] RIP: 0033:0x7fca3377f60a
[ 242.982239][ T5730] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 243.001959][ T5730] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.010632][ T5730] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 243.019092][ T5730] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 243.027246][ T5730] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 243.035297][ T5730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.043271][ T5730] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.051471][ T5730]
[ 243.060906][ T5730] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.074969][ T5730] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.395780][ T5732] loop1: detected capacity change from 0 to 32768
[ 243.467155][ T5732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.480483][ T5732] CPU: 0 PID: 5732 Comm: syz.1.207 Not tainted syzkaller #0
[ 243.488248][ T5732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 243.498326][ T5732] Call Trace:
[ 243.501629][ T5732]
[ 243.504573][ T5732] dump_stack_lvl+0x188/0x250
[ 243.509357][ T5732] ? show_regs_print_info+0x20/0x20
[ 243.514961][ T5732] ? load_image+0x400/0x400
[ 243.519701][ T5732] sysfs_create_dir_ns+0x26a/0x290
[ 243.524830][ T5732] ? sysfs_warn_dup+0xa0/0xa0
[ 243.529518][ T5732] ? do_raw_spin_unlock+0x11d/0x230
[ 243.534733][ T5732] kobject_add_internal+0x6e0/0xd90
[ 243.540221][ T5732] kobject_init_and_add+0x128/0x190
[ 243.545426][ T5732] ? lockdep_softirqs_off+0x430/0x430
[ 243.550977][ T5732] ? kobject_add+0x230/0x230
[ 243.555684][ T5732] ? __init_swait_queue_head+0xa5/0x150
[ 243.561260][ T5732] gfs2_sys_fs_add+0x24f/0x4b0
[ 243.566044][ T5732] ? gfs2_recover_set+0x240/0x240
[ 243.571079][ T5732] ? snprintf+0xe5/0x140
[ 243.575489][ T5732] ? __free_pages+0x95/0x1a0
[ 243.580353][ T5732] ? vscnprintf+0x80/0x80
[ 243.584771][ T5732] gfs2_fill_super+0x120f/0x1f00
[ 243.589701][ T5732] ? gfs2_reconfigure+0xd30/0xd30
[ 243.594788][ T5732] ? sb_set_blocksize+0xa5/0xe0
[ 243.599996][ T5732] get_tree_bdev+0x3f1/0x610
[ 243.604903][ T5732] ? gfs2_reconfigure+0xd30/0xd30
[ 243.609925][ T5732] gfs2_get_tree+0x4d/0x1e0
[ 243.614416][ T5732] vfs_get_tree+0x88/0x270
[ 243.619020][ T5732] do_new_mount+0x24a/0xa40
[ 243.623542][ T5732] __se_sys_mount+0x2e3/0x3d0
[ 243.628233][ T5732] ? __x64_sys_mount+0xc0/0xc0
[ 243.632992][ T5732] ? lockdep_hardirqs_on+0x94/0x140
[ 243.638194][ T5732] ? __x64_sys_mount+0x1c/0xc0
[ 243.643045][ T5732] do_syscall_64+0x4c/0xa0
[ 243.647459][ T5732] ? clear_bhb_loop+0x30/0x80
[ 243.652187][ T5732] ? clear_bhb_loop+0x30/0x80
[ 243.657189][ T5732] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.663261][ T5732] RIP: 0033:0x7fca3377f60a
[ 243.667922][ T5732] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 243.687705][ T5732] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.696111][ T5732] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 243.704086][ T5732] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 243.712477][ T5732] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 243.721509][ T5732] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.729479][ T5732] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.737458][ T5732]
[ 243.741785][ T5732] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.755397][ T5732] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.075337][ T5734] loop1: detected capacity change from 0 to 32768
[ 244.185856][ T5734] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.193493][ T5734] CPU: 1 PID: 5734 Comm: syz.1.208 Not tainted syzkaller #0
[ 244.200801][ T5734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 244.210879][ T5734] Call Trace:
[ 244.214220][ T5734]
[ 244.217164][ T5734] dump_stack_lvl+0x188/0x250
[ 244.221963][ T5734] ? show_regs_print_info+0x20/0x20
[ 244.227193][ T5734] ? load_image+0x400/0x400
[ 244.231718][ T5734] sysfs_create_dir_ns+0x26a/0x290
[ 244.236983][ T5734] ? sysfs_warn_dup+0xa0/0xa0
[ 244.241678][ T5734] ? do_raw_spin_unlock+0x11d/0x230
[ 244.246882][ T5734] kobject_add_internal+0x6e0/0xd90
[ 244.252178][ T5734] kobject_init_and_add+0x128/0x190
[ 244.257367][ T5734] ? lockdep_softirqs_off+0x430/0x430
[ 244.262918][ T5734] ? kobject_add+0x230/0x230
[ 244.267526][ T5734] ? __init_swait_queue_head+0xa5/0x150
[ 244.273216][ T5734] gfs2_sys_fs_add+0x24f/0x4b0
[ 244.278011][ T5734] ? gfs2_recover_set+0x240/0x240
[ 244.283128][ T5734] ? snprintf+0xe5/0x140
[ 244.287375][ T5734] ? __free_pages+0x95/0x1a0
[ 244.292077][ T5734] ? vscnprintf+0x80/0x80
[ 244.296399][ T5734] gfs2_fill_super+0x120f/0x1f00
[ 244.301459][ T5734] ? gfs2_reconfigure+0xd30/0xd30
[ 244.306656][ T5734] ? sb_set_blocksize+0xa5/0xe0
[ 244.311499][ T5734] get_tree_bdev+0x3f1/0x610
[ 244.316090][ T5734] ? gfs2_reconfigure+0xd30/0xd30
[ 244.321201][ T5734] gfs2_get_tree+0x4d/0x1e0
[ 244.325705][ T5734] vfs_get_tree+0x88/0x270
[ 244.330130][ T5734] do_new_mount+0x24a/0xa40
[ 244.334628][ T5734] __se_sys_mount+0x2e3/0x3d0
[ 244.339318][ T5734] ? __x64_sys_mount+0xc0/0xc0
[ 244.344098][ T5734] ? lockdep_hardirqs_on+0x94/0x140
[ 244.349368][ T5734] ? __x64_sys_mount+0x1c/0xc0
[ 244.354441][ T5734] do_syscall_64+0x4c/0xa0
[ 244.358979][ T5734] ? clear_bhb_loop+0x30/0x80
[ 244.363655][ T5734] ? clear_bhb_loop+0x30/0x80
[ 244.368345][ T5734] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.374330][ T5734] RIP: 0033:0x7fca3377f60a
[ 244.378798][ T5734] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 244.398974][ T5734] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.407477][ T5734] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 244.415768][ T5734] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 244.423739][ T5734] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 244.431889][ T5734] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.439963][ T5734] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.447946][ T5734]
[ 244.452564][ T5734] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.466324][ T5734] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.795315][ T5736] loop1: detected capacity change from 0 to 32768
[ 244.850473][ T5736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.858040][ T5736] CPU: 0 PID: 5736 Comm: syz.1.209 Not tainted syzkaller #0
[ 244.865343][ T5736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 244.875503][ T5736] Call Trace:
[ 244.878791][ T5736]
[ 244.881738][ T5736] dump_stack_lvl+0x188/0x250
[ 244.886430][ T5736] ? show_regs_print_info+0x20/0x20
[ 244.891647][ T5736] ? load_image+0x400/0x400
[ 244.896257][ T5736] sysfs_create_dir_ns+0x26a/0x290
[ 244.901381][ T5736] ? sysfs_warn_dup+0xa0/0xa0
[ 244.906244][ T5736] ? do_raw_spin_unlock+0x11d/0x230
[ 244.911458][ T5736] kobject_add_internal+0x6e0/0xd90
[ 244.916859][ T5736] kobject_init_and_add+0x128/0x190
[ 244.922079][ T5736] ? lockdep_softirqs_off+0x430/0x430
[ 244.927565][ T5736] ? kobject_add+0x230/0x230
[ 244.932161][ T5736] ? __init_swait_queue_head+0xa5/0x150
[ 244.937717][ T5736] gfs2_sys_fs_add+0x24f/0x4b0
[ 244.942485][ T5736] ? gfs2_recover_set+0x240/0x240
[ 244.947501][ T5736] ? snprintf+0xe5/0x140
[ 244.951725][ T5736] ? __free_pages+0x95/0x1a0
[ 244.956322][ T5736] ? vscnprintf+0x80/0x80
[ 244.960745][ T5736] gfs2_fill_super+0x120f/0x1f00
[ 244.965679][ T5736] ? gfs2_reconfigure+0xd30/0xd30
[ 244.970729][ T5736] ? sb_set_blocksize+0xa5/0xe0
[ 244.975567][ T5736] get_tree_bdev+0x3f1/0x610
[ 244.980157][ T5736] ? gfs2_reconfigure+0xd30/0xd30
[ 244.985166][ T5736] gfs2_get_tree+0x4d/0x1e0
[ 244.989659][ T5736] vfs_get_tree+0x88/0x270
[ 244.994082][ T5736] do_new_mount+0x24a/0xa40
[ 244.998591][ T5736] __se_sys_mount+0x2e3/0x3d0
[ 245.003262][ T5736] ? __x64_sys_mount+0xc0/0xc0
[ 245.008028][ T5736] ? lockdep_hardirqs_on+0x94/0x140
[ 245.013209][ T5736] ? __x64_sys_mount+0x1c/0xc0
[ 245.017984][ T5736] do_syscall_64+0x4c/0xa0
[ 245.022480][ T5736] ? clear_bhb_loop+0x30/0x80
[ 245.027152][ T5736] ? clear_bhb_loop+0x30/0x80
[ 245.031829][ T5736] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.037806][ T5736] RIP: 0033:0x7fca3377f60a
[ 245.042231][ T5736] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 245.061846][ T5736] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.070277][ T5736] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 245.078247][ T5736] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 245.086203][ T5736] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 245.094438][ T5736] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.102526][ T5736] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.110517][ T5736]
[ 245.114578][ T5736] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.127736][ T5736] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:36:11 executed programs: 195
[ 245.437703][ T5738] loop1: detected capacity change from 0 to 32768
[ 245.489856][ T5738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.497830][ T5738] CPU: 1 PID: 5738 Comm: syz.1.210 Not tainted syzkaller #0
[ 245.505146][ T5738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 245.515215][ T5738] Call Trace:
[ 245.518506][ T5738]
[ 245.521436][ T5738] dump_stack_lvl+0x188/0x250
[ 245.526124][ T5738] ? show_regs_print_info+0x20/0x20
[ 245.531335][ T5738] ? load_image+0x400/0x400
[ 245.535882][ T5738] sysfs_create_dir_ns+0x26a/0x290
[ 245.541005][ T5738] ? sysfs_warn_dup+0xa0/0xa0
[ 245.545690][ T5738] ? do_raw_spin_unlock+0x11d/0x230
[ 245.550905][ T5738] kobject_add_internal+0x6e0/0xd90
[ 245.556204][ T5738] kobject_init_and_add+0x128/0x190
[ 245.561408][ T5738] ? lockdep_softirqs_off+0x430/0x430
[ 245.566789][ T5738] ? kobject_add+0x230/0x230
[ 245.571544][ T5738] ? __init_swait_queue_head+0xa5/0x150
[ 245.577205][ T5738] gfs2_sys_fs_add+0x24f/0x4b0
[ 245.581956][ T5738] ? gfs2_recover_set+0x240/0x240
[ 245.586978][ T5738] ? snprintf+0xe5/0x140
[ 245.591344][ T5738] ? __free_pages+0x95/0x1a0
[ 245.596021][ T5738] ? vscnprintf+0x80/0x80
[ 245.600352][ T5738] gfs2_fill_super+0x120f/0x1f00
[ 245.605290][ T5738] ? gfs2_reconfigure+0xd30/0xd30
[ 245.610336][ T5738] ? sb_set_blocksize+0xa5/0xe0
[ 245.615346][ T5738] get_tree_bdev+0x3f1/0x610
[ 245.620185][ T5738] ? gfs2_reconfigure+0xd30/0xd30
[ 245.625294][ T5738] gfs2_get_tree+0x4d/0x1e0
[ 245.629786][ T5738] vfs_get_tree+0x88/0x270
[ 245.634195][ T5738] do_new_mount+0x24a/0xa40
[ 245.638685][ T5738] __se_sys_mount+0x2e3/0x3d0
[ 245.643452][ T5738] ? __x64_sys_mount+0xc0/0xc0
[ 245.648227][ T5738] ? lockdep_hardirqs_on+0x94/0x140
[ 245.653563][ T5738] ? __x64_sys_mount+0x1c/0xc0
[ 245.658441][ T5738] do_syscall_64+0x4c/0xa0
[ 245.662850][ T5738] ? clear_bhb_loop+0x30/0x80
[ 245.667609][ T5738] ? clear_bhb_loop+0x30/0x80
[ 245.672454][ T5738] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.678636][ T5738] RIP: 0033:0x7fca3377f60a
[ 245.683051][ T5738] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 245.702656][ T5738] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.711336][ T5738] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 245.719900][ T5738] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 245.728335][ T5738] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 245.736328][ T5738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.744402][ T5738] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.752393][ T5738]
[ 245.756661][ T5738] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.769853][ T5738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.070176][ T5740] loop1: detected capacity change from 0 to 32768
[ 246.117001][ T5740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.124523][ T5740] CPU: 0 PID: 5740 Comm: syz.1.211 Not tainted syzkaller #0
[ 246.131996][ T5740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 246.142159][ T5740] Call Trace:
[ 246.145467][ T5740]
[ 246.148408][ T5740] dump_stack_lvl+0x188/0x250
[ 246.153100][ T5740] ? show_regs_print_info+0x20/0x20
[ 246.158404][ T5740] ? load_image+0x400/0x400
[ 246.163017][ T5740] sysfs_create_dir_ns+0x26a/0x290
[ 246.168230][ T5740] ? sysfs_warn_dup+0xa0/0xa0
[ 246.172931][ T5740] ? do_raw_spin_unlock+0x11d/0x230
[ 246.178277][ T5740] kobject_add_internal+0x6e0/0xd90
[ 246.183499][ T5740] kobject_init_and_add+0x128/0x190
[ 246.188710][ T5740] ? lockdep_softirqs_off+0x430/0x430
[ 246.194140][ T5740] ? kobject_add+0x230/0x230
[ 246.198904][ T5740] ? __init_swait_queue_head+0xa5/0x150
[ 246.204714][ T5740] gfs2_sys_fs_add+0x24f/0x4b0
[ 246.209469][ T5740] ? gfs2_recover_set+0x240/0x240
[ 246.214928][ T5740] ? snprintf+0xe5/0x140
[ 246.219389][ T5740] ? __free_pages+0x95/0x1a0
[ 246.224200][ T5740] ? vscnprintf+0x80/0x80
[ 246.228648][ T5740] gfs2_fill_super+0x120f/0x1f00
[ 246.233767][ T5740] ? gfs2_reconfigure+0xd30/0xd30
[ 246.238798][ T5740] ? sb_set_blocksize+0xa5/0xe0
[ 246.243740][ T5740] get_tree_bdev+0x3f1/0x610
[ 246.248412][ T5740] ? gfs2_reconfigure+0xd30/0xd30
[ 246.253595][ T5740] gfs2_get_tree+0x4d/0x1e0
[ 246.258185][ T5740] vfs_get_tree+0x88/0x270
[ 246.262707][ T5740] do_new_mount+0x24a/0xa40
[ 246.267202][ T5740] __se_sys_mount+0x2e3/0x3d0
[ 246.271926][ T5740] ? __x64_sys_mount+0xc0/0xc0
[ 246.276711][ T5740] ? lockdep_hardirqs_on+0x94/0x140
[ 246.281905][ T5740] ? __x64_sys_mount+0x1c/0xc0
[ 246.286669][ T5740] do_syscall_64+0x4c/0xa0
[ 246.291157][ T5740] ? clear_bhb_loop+0x30/0x80
[ 246.295836][ T5740] ? clear_bhb_loop+0x30/0x80
[ 246.300533][ T5740] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.306506][ T5740] RIP: 0033:0x7fca3377f60a
[ 246.310917][ T5740] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 246.330695][ T5740] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.339126][ T5740] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 246.347101][ T5740] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 246.355201][ T5740] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 246.363258][ T5740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.371311][ T5740] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 246.379286][ T5740]
[ 246.383492][ T5740] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.397042][ T5740] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.714575][ T5742] loop1: detected capacity change from 0 to 32768
[ 246.760302][ T5742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.767782][ T5742] CPU: 0 PID: 5742 Comm: syz.1.212 Not tainted syzkaller #0
[ 246.775166][ T5742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 246.785242][ T5742] Call Trace:
[ 246.788540][ T5742]
[ 246.791475][ T5742] dump_stack_lvl+0x188/0x250
[ 246.796165][ T5742] ? show_regs_print_info+0x20/0x20
[ 246.801553][ T5742] ? load_image+0x400/0x400
[ 246.806079][ T5742] sysfs_create_dir_ns+0x26a/0x290
[ 246.811210][ T5742] ? sysfs_warn_dup+0xa0/0xa0
[ 246.815914][ T5742] ? do_raw_spin_unlock+0x11d/0x230
[ 246.821133][ T5742] kobject_add_internal+0x6e0/0xd90
[ 246.826359][ T5742] kobject_init_and_add+0x128/0x190
[ 246.831652][ T5742] ? lockdep_softirqs_off+0x430/0x430
[ 246.837127][ T5742] ? kobject_add+0x230/0x230
[ 246.841832][ T5742] ? __init_swait_queue_head+0xa5/0x150
[ 246.847461][ T5742] gfs2_sys_fs_add+0x24f/0x4b0
[ 246.852221][ T5742] ? gfs2_recover_set+0x240/0x240
[ 246.857453][ T5742] ? snprintf+0xe5/0x140
[ 246.861702][ T5742] ? __free_pages+0x95/0x1a0
[ 246.866313][ T5742] ? vscnprintf+0x80/0x80
[ 246.870630][ T5742] gfs2_fill_super+0x120f/0x1f00
[ 246.875587][ T5742] ? gfs2_reconfigure+0xd30/0xd30
[ 246.880869][ T5742] ? sb_set_blocksize+0xa5/0xe0
[ 246.885817][ T5742] get_tree_bdev+0x3f1/0x610
[ 246.890414][ T5742] ? gfs2_reconfigure+0xd30/0xd30
[ 246.895429][ T5742] gfs2_get_tree+0x4d/0x1e0
[ 246.899920][ T5742] vfs_get_tree+0x88/0x270
[ 246.904353][ T5742] do_new_mount+0x24a/0xa40
[ 246.908862][ T5742] __se_sys_mount+0x2e3/0x3d0
[ 246.913550][ T5742] ? __x64_sys_mount+0xc0/0xc0
[ 246.918389][ T5742] ? lockdep_hardirqs_on+0x94/0x140
[ 246.923667][ T5742] ? __x64_sys_mount+0x1c/0xc0
[ 246.928510][ T5742] do_syscall_64+0x4c/0xa0
[ 246.932914][ T5742] ? clear_bhb_loop+0x30/0x80
[ 246.937577][ T5742] ? clear_bhb_loop+0x30/0x80
[ 246.942241][ T5742] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.948244][ T5742] RIP: 0033:0x7fca3377f60a
[ 246.952709][ T5742] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 246.972309][ T5742] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.980732][ T5742] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 246.988805][ T5742] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 246.996768][ T5742] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 247.004730][ T5742] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.012709][ T5742] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.020690][ T5742]
[ 247.025062][ T5742] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.038435][ T5742] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.362220][ T5744] loop1: detected capacity change from 0 to 32768
[ 247.409836][ T5744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.418739][ T5744] CPU: 0 PID: 5744 Comm: syz.1.213 Not tainted syzkaller #0
[ 247.426245][ T5744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 247.436418][ T5744] Call Trace:
[ 247.439716][ T5744]
[ 247.442670][ T5744] dump_stack_lvl+0x188/0x250
[ 247.447363][ T5744] ? show_regs_print_info+0x20/0x20
[ 247.452583][ T5744] ? load_image+0x400/0x400
[ 247.457109][ T5744] sysfs_create_dir_ns+0x26a/0x290
[ 247.462231][ T5744] ? sysfs_warn_dup+0xa0/0xa0
[ 247.466918][ T5744] ? do_raw_spin_unlock+0x11d/0x230
[ 247.472306][ T5744] kobject_add_internal+0x6e0/0xd90
[ 247.477521][ T5744] kobject_init_and_add+0x128/0x190
[ 247.482725][ T5744] ? lockdep_softirqs_off+0x430/0x430
[ 247.488109][ T5744] ? kobject_add+0x230/0x230
[ 247.492837][ T5744] ? __init_swait_queue_head+0xa5/0x150
[ 247.498403][ T5744] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.503180][ T5744] ? gfs2_recover_set+0x240/0x240
[ 247.508243][ T5744] ? snprintf+0xe5/0x140
[ 247.512570][ T5744] ? __free_pages+0x95/0x1a0
[ 247.517236][ T5744] ? vscnprintf+0x80/0x80
[ 247.521556][ T5744] gfs2_fill_super+0x120f/0x1f00
[ 247.526492][ T5744] ? gfs2_reconfigure+0xd30/0xd30
[ 247.531511][ T5744] ? sb_set_blocksize+0xa5/0xe0
[ 247.536347][ T5744] get_tree_bdev+0x3f1/0x610
[ 247.541095][ T5744] ? gfs2_reconfigure+0xd30/0xd30
[ 247.546122][ T5744] gfs2_get_tree+0x4d/0x1e0
[ 247.550622][ T5744] vfs_get_tree+0x88/0x270
[ 247.555034][ T5744] do_new_mount+0x24a/0xa40
[ 247.559539][ T5744] __se_sys_mount+0x2e3/0x3d0
[ 247.564309][ T5744] ? __x64_sys_mount+0xc0/0xc0
[ 247.569076][ T5744] ? lockdep_hardirqs_on+0x94/0x140
[ 247.574263][ T5744] ? __x64_sys_mount+0x1c/0xc0
[ 247.579022][ T5744] do_syscall_64+0x4c/0xa0
[ 247.583453][ T5744] ? clear_bhb_loop+0x30/0x80
[ 247.588141][ T5744] ? clear_bhb_loop+0x30/0x80
[ 247.592798][ T5744] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.598674][ T5744] RIP: 0033:0x7fca3377f60a
[ 247.603167][ T5744] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 247.622893][ T5744] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.631412][ T5744] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 247.639393][ T5744] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 247.647353][ T5744] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 247.655332][ T5744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.663293][ T5744] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.671358][ T5744]
[ 247.675556][ T5744] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.688944][ T5744] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.994346][ T5746] loop1: detected capacity change from 0 to 32768
[ 248.038722][ T5746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.049837][ T5746] CPU: 1 PID: 5746 Comm: syz.1.214 Not tainted syzkaller #0
[ 248.057253][ T5746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 248.067666][ T5746] Call Trace:
[ 248.070950][ T5746]
[ 248.073885][ T5746] dump_stack_lvl+0x188/0x250
[ 248.078589][ T5746] ? show_regs_print_info+0x20/0x20
[ 248.083894][ T5746] ? load_image+0x400/0x400
[ 248.088425][ T5746] sysfs_create_dir_ns+0x26a/0x290
[ 248.093551][ T5746] ? sysfs_warn_dup+0xa0/0xa0
[ 248.098336][ T5746] ? do_raw_spin_unlock+0x11d/0x230
[ 248.103848][ T5746] kobject_add_internal+0x6e0/0xd90
[ 248.109075][ T5746] kobject_init_and_add+0x128/0x190
[ 248.114298][ T5746] ? lockdep_softirqs_off+0x430/0x430
[ 248.119676][ T5746] ? kobject_add+0x230/0x230
[ 248.124331][ T5746] ? __init_swait_queue_head+0xa5/0x150
[ 248.129896][ T5746] gfs2_sys_fs_add+0x24f/0x4b0
[ 248.134656][ T5746] ? gfs2_recover_set+0x240/0x240
[ 248.139713][ T5746] ? snprintf+0xe5/0x140
[ 248.143939][ T5746] ? __free_pages+0x95/0x1a0
[ 248.148521][ T5746] ? vscnprintf+0x80/0x80
[ 248.152865][ T5746] gfs2_fill_super+0x120f/0x1f00
[ 248.157814][ T5746] ? gfs2_reconfigure+0xd30/0xd30
[ 248.162834][ T5746] ? sb_set_blocksize+0xa5/0xe0
[ 248.167692][ T5746] get_tree_bdev+0x3f1/0x610
[ 248.172267][ T5746] ? gfs2_reconfigure+0xd30/0xd30
[ 248.177389][ T5746] gfs2_get_tree+0x4d/0x1e0
[ 248.181892][ T5746] vfs_get_tree+0x88/0x270
[ 248.186326][ T5746] do_new_mount+0x24a/0xa40
[ 248.190825][ T5746] __se_sys_mount+0x2e3/0x3d0
[ 248.195496][ T5746] ? __x64_sys_mount+0xc0/0xc0
[ 248.200250][ T5746] ? lockdep_hardirqs_on+0x94/0x140
[ 248.205435][ T5746] ? __x64_sys_mount+0x1c/0xc0
[ 248.210193][ T5746] do_syscall_64+0x4c/0xa0
[ 248.214599][ T5746] ? clear_bhb_loop+0x30/0x80
[ 248.219259][ T5746] ? clear_bhb_loop+0x30/0x80
[ 248.224120][ T5746] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.230185][ T5746] RIP: 0033:0x7fca3377f60a
[ 248.234612][ T5746] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 248.254384][ T5746] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.262992][ T5746] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 248.271050][ T5746] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 248.279024][ T5746] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 248.287104][ T5746] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.295075][ T5746] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.303055][ T5746]
[ 248.311005][ T5746] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.324457][ T5746] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.644354][ T5748] loop1: detected capacity change from 0 to 32768
[ 248.684246][ T5748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.695087][ T5748] CPU: 1 PID: 5748 Comm: syz.1.215 Not tainted syzkaller #0
[ 248.702400][ T5748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 248.712472][ T5748] Call Trace:
[ 248.715769][ T5748]
[ 248.718806][ T5748] dump_stack_lvl+0x188/0x250
[ 248.723516][ T5748] ? show_regs_print_info+0x20/0x20
[ 248.728836][ T5748] ? load_image+0x400/0x400
[ 248.733368][ T5748] sysfs_create_dir_ns+0x26a/0x290
[ 248.738505][ T5748] ? sysfs_warn_dup+0xa0/0xa0
[ 248.743200][ T5748] ? do_raw_spin_unlock+0x11d/0x230
[ 248.748595][ T5748] kobject_add_internal+0x6e0/0xd90
[ 248.753909][ T5748] kobject_init_and_add+0x128/0x190
[ 248.759213][ T5748] ? lockdep_softirqs_off+0x430/0x430
[ 248.764715][ T5748] ? kobject_add+0x230/0x230
[ 248.769373][ T5748] ? __init_swait_queue_head+0xa5/0x150
[ 248.774941][ T5748] gfs2_sys_fs_add+0x24f/0x4b0
[ 248.779719][ T5748] ? gfs2_recover_set+0x240/0x240
[ 248.784742][ T5748] ? snprintf+0xe5/0x140
[ 248.789057][ T5748] ? __free_pages+0x95/0x1a0
[ 248.793867][ T5748] ? vscnprintf+0x80/0x80
[ 248.798291][ T5748] gfs2_fill_super+0x120f/0x1f00
[ 248.803233][ T5748] ? gfs2_reconfigure+0xd30/0xd30
[ 248.808260][ T5748] ? sb_set_blocksize+0xa5/0xe0
[ 248.813108][ T5748] get_tree_bdev+0x3f1/0x610
[ 248.817892][ T5748] ? gfs2_reconfigure+0xd30/0xd30
[ 248.822917][ T5748] gfs2_get_tree+0x4d/0x1e0
[ 248.827745][ T5748] vfs_get_tree+0x88/0x270
[ 248.832217][ T5748] do_new_mount+0x24a/0xa40
[ 248.836831][ T5748] __se_sys_mount+0x2e3/0x3d0
[ 248.841510][ T5748] ? __x64_sys_mount+0xc0/0xc0
[ 248.846280][ T5748] ? lockdep_hardirqs_on+0x94/0x140
[ 248.851495][ T5748] ? __x64_sys_mount+0x1c/0xc0
[ 248.856264][ T5748] do_syscall_64+0x4c/0xa0
[ 248.860683][ T5748] ? clear_bhb_loop+0x30/0x80
[ 248.865376][ T5748] ? clear_bhb_loop+0x30/0x80
[ 248.870233][ T5748] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.876158][ T5748] RIP: 0033:0x7fca3377f60a
[ 248.880607][ T5748] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 248.900309][ T5748] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.908748][ T5748] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 248.916732][ T5748] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 248.924757][ T5748] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 248.932709][ T5748] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.940927][ T5748] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.948898][ T5748]
[ 248.953336][ T5748] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.966561][ T5748] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.288228][ T5750] loop1: detected capacity change from 0 to 32768
[ 249.351744][ T5750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.359540][ T5750] CPU: 0 PID: 5750 Comm: syz.1.216 Not tainted syzkaller #0
[ 249.366846][ T5750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 249.377001][ T5750] Call Trace:
[ 249.380371][ T5750]
[ 249.383318][ T5750] dump_stack_lvl+0x188/0x250
[ 249.388008][ T5750] ? show_regs_print_info+0x20/0x20
[ 249.393318][ T5750] ? load_image+0x400/0x400
[ 249.397850][ T5750] sysfs_create_dir_ns+0x26a/0x290
[ 249.402975][ T5750] ? sysfs_warn_dup+0xa0/0xa0
[ 249.407665][ T5750] ? do_raw_spin_unlock+0x11d/0x230
[ 249.412878][ T5750] kobject_add_internal+0x6e0/0xd90
[ 249.418184][ T5750] kobject_init_and_add+0x128/0x190
[ 249.423453][ T5750] ? lockdep_softirqs_off+0x430/0x430
[ 249.428914][ T5750] ? kobject_add+0x230/0x230
[ 249.433505][ T5750] ? __init_swait_queue_head+0xa5/0x150
[ 249.439047][ T5750] gfs2_sys_fs_add+0x24f/0x4b0
[ 249.443825][ T5750] ? gfs2_recover_set+0x240/0x240
[ 249.448837][ T5750] ? snprintf+0xe5/0x140
[ 249.453150][ T5750] ? __free_pages+0x95/0x1a0
[ 249.457830][ T5750] ? vscnprintf+0x80/0x80
[ 249.462164][ T5750] gfs2_fill_super+0x120f/0x1f00
[ 249.467272][ T5750] ? gfs2_reconfigure+0xd30/0xd30
[ 249.472387][ T5750] ? sb_set_blocksize+0xa5/0xe0
[ 249.477234][ T5750] get_tree_bdev+0x3f1/0x610
[ 249.481824][ T5750] ? gfs2_reconfigure+0xd30/0xd30
[ 249.487007][ T5750] gfs2_get_tree+0x4d/0x1e0
[ 249.491523][ T5750] vfs_get_tree+0x88/0x270
[ 249.495946][ T5750] do_new_mount+0x24a/0xa40
[ 249.500529][ T5750] __se_sys_mount+0x2e3/0x3d0
[ 249.505400][ T5750] ? __x64_sys_mount+0xc0/0xc0
[ 249.510157][ T5750] ? lockdep_hardirqs_on+0x94/0x140
[ 249.515361][ T5750] ? __x64_sys_mount+0x1c/0xc0
[ 249.520120][ T5750] do_syscall_64+0x4c/0xa0
[ 249.524529][ T5750] ? clear_bhb_loop+0x30/0x80
[ 249.529208][ T5750] ? clear_bhb_loop+0x30/0x80
[ 249.533884][ T5750] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.539899][ T5750] RIP: 0033:0x7fca3377f60a
[ 249.544318][ T5750] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 249.564016][ T5750] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.572420][ T5750] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 249.580380][ T5750] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 249.588350][ T5750] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 249.596330][ T5750] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.604286][ T5750] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.612625][ T5750]
[ 249.617861][ T5750] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.631655][ T5750] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.932061][ T5752] loop1: detected capacity change from 0 to 32768
[ 249.984271][ T5752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.994589][ T5752] CPU: 1 PID: 5752 Comm: syz.1.217 Not tainted syzkaller #0
[ 250.001893][ T5752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 250.011948][ T5752] Call Trace:
[ 250.015242][ T5752]
[ 250.018179][ T5752] dump_stack_lvl+0x188/0x250
[ 250.022870][ T5752] ? show_regs_print_info+0x20/0x20
[ 250.028083][ T5752] ? load_image+0x400/0x400
[ 250.032703][ T5752] sysfs_create_dir_ns+0x26a/0x290
[ 250.037822][ T5752] ? sysfs_warn_dup+0xa0/0xa0
[ 250.042505][ T5752] ? do_raw_spin_unlock+0x11d/0x230
[ 250.047800][ T5752] kobject_add_internal+0x6e0/0xd90
[ 250.053102][ T5752] kobject_init_and_add+0x128/0x190
[ 250.058308][ T5752] ? lockdep_softirqs_off+0x430/0x430
[ 250.063697][ T5752] ? kobject_add+0x230/0x230
[ 250.068302][ T5752] ? __init_swait_queue_head+0xa5/0x150
[ 250.073863][ T5752] gfs2_sys_fs_add+0x24f/0x4b0
[ 250.078632][ T5752] ? gfs2_recover_set+0x240/0x240
[ 250.083649][ T5752] ? snprintf+0xe5/0x140
[ 250.088010][ T5752] ? __free_pages+0x95/0x1a0
[ 250.092588][ T5752] ? vscnprintf+0x80/0x80
[ 250.096911][ T5752] gfs2_fill_super+0x120f/0x1f00
[ 250.101860][ T5752] ? gfs2_reconfigure+0xd30/0xd30
[ 250.107009][ T5752] ? sb_set_blocksize+0xa5/0xe0
[ 250.111853][ T5752] get_tree_bdev+0x3f1/0x610
[ 250.116521][ T5752] ? gfs2_reconfigure+0xd30/0xd30
[ 250.121534][ T5752] gfs2_get_tree+0x4d/0x1e0
[ 250.126030][ T5752] vfs_get_tree+0x88/0x270
[ 250.130524][ T5752] do_new_mount+0x24a/0xa40
[ 250.135138][ T5752] __se_sys_mount+0x2e3/0x3d0
[ 250.139823][ T5752] ? __x64_sys_mount+0xc0/0xc0
[ 250.144573][ T5752] ? lockdep_hardirqs_on+0x94/0x140
[ 250.149769][ T5752] ? __x64_sys_mount+0x1c/0xc0
[ 250.154532][ T5752] do_syscall_64+0x4c/0xa0
[ 250.158940][ T5752] ? clear_bhb_loop+0x30/0x80
[ 250.163702][ T5752] ? clear_bhb_loop+0x30/0x80
[ 250.168469][ T5752] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.174357][ T5752] RIP: 0033:0x7fca3377f60a
[ 250.178776][ T5752] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 250.198371][ T5752] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.206815][ T5752] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 250.215012][ T5752] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 250.222978][ T5752] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 250.231052][ T5752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.239018][ T5752] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.246988][ T5752]
[ 250.251228][ T5752] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.264658][ T5752] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/04/11 15:36:16 executed programs: 203
[ 250.604610][ T5754] loop1: detected capacity change from 0 to 32768
[ 250.650674][ T5754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.658527][ T5754] CPU: 1 PID: 5754 Comm: syz.1.218 Not tainted syzkaller #0
[ 250.665824][ T5754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 250.675903][ T5754] Call Trace:
[ 250.679193][ T5754]
[ 250.682127][ T5754] dump_stack_lvl+0x188/0x250
[ 250.686831][ T5754] ? show_regs_print_info+0x20/0x20
[ 250.692043][ T5754] ? load_image+0x400/0x400
[ 250.696567][ T5754] sysfs_create_dir_ns+0x26a/0x290
[ 250.701697][ T5754] ? sysfs_warn_dup+0xa0/0xa0
[ 250.706391][ T5754] ? do_raw_spin_unlock+0x11d/0x230
[ 250.711599][ T5754] kobject_add_internal+0x6e0/0xd90
[ 250.716904][ T5754] kobject_init_and_add+0x128/0x190
[ 250.722119][ T5754] ? lockdep_softirqs_off+0x430/0x430
[ 250.727516][ T5754] ? kobject_add+0x230/0x230
[ 250.732119][ T5754] ? __init_swait_queue_head+0xa5/0x150
[ 250.737775][ T5754] gfs2_sys_fs_add+0x24f/0x4b0
[ 250.742530][ T5754] ? gfs2_recover_set+0x240/0x240
[ 250.747549][ T5754] ? snprintf+0xe5/0x140
[ 250.751771][ T5754] ? __free_pages+0x95/0x1a0
[ 250.756445][ T5754] ? vscnprintf+0x80/0x80
[ 250.760757][ T5754] gfs2_fill_super+0x120f/0x1f00
[ 250.765693][ T5754] ? gfs2_reconfigure+0xd30/0xd30
[ 250.770906][ T5754] ? sb_set_blocksize+0xa5/0xe0
[ 250.775749][ T5754] get_tree_bdev+0x3f1/0x610
[ 250.780328][ T5754] ? gfs2_reconfigure+0xd30/0xd30
[ 250.785362][ T5754] gfs2_get_tree+0x4d/0x1e0
[ 250.789852][ T5754] vfs_get_tree+0x88/0x270
[ 250.794256][ T5754] do_new_mount+0x24a/0xa40
[ 250.798747][ T5754] __se_sys_mount+0x2e3/0x3d0
[ 250.803412][ T5754] ? __x64_sys_mount+0xc0/0xc0
[ 250.808195][ T5754] ? lockdep_hardirqs_on+0x94/0x140
[ 250.813394][ T5754] ? __x64_sys_mount+0x1c/0xc0
[ 250.818170][ T5754] do_syscall_64+0x4c/0xa0
[ 250.822658][ T5754] ? clear_bhb_loop+0x30/0x80
[ 250.827356][ T5754] ? clear_bhb_loop+0x30/0x80
[ 250.832109][ T5754] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.837979][ T5754] RIP: 0033:0x7fca3377f60a
[ 250.842372][ T5754] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 250.862148][ T5754] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.870653][ T5754] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 250.878717][ T5754] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 250.886677][ T5754] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 250.894755][ T5754] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.902897][ T5754] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.911050][ T5754]
[ 250.915609][ T5754] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.928885][ T5754] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.252880][ T5756] loop1: detected capacity change from 0 to 32768
[ 251.334401][ T5756] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.342033][ T5756] CPU: 0 PID: 5756 Comm: syz.1.219 Not tainted syzkaller #0
[ 251.349335][ T5756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 251.359396][ T5756] Call Trace:
[ 251.362688][ T5756]
[ 251.365630][ T5756] dump_stack_lvl+0x188/0x250
[ 251.370325][ T5756] ? show_regs_print_info+0x20/0x20
[ 251.375559][ T5756] ? load_image+0x400/0x400
[ 251.380093][ T5756] sysfs_create_dir_ns+0x26a/0x290
[ 251.385229][ T5756] ? sysfs_warn_dup+0xa0/0xa0
[ 251.389913][ T5756] ? do_raw_spin_unlock+0x11d/0x230
[ 251.395120][ T5756] kobject_add_internal+0x6e0/0xd90
[ 251.400501][ T5756] kobject_init_and_add+0x128/0x190
[ 251.405783][ T5756] ? lockdep_softirqs_off+0x430/0x430
[ 251.411342][ T5756] ? kobject_add+0x230/0x230
[ 251.415975][ T5756] ? __init_swait_queue_head+0xa5/0x150
[ 251.421533][ T5756] gfs2_sys_fs_add+0x24f/0x4b0
[ 251.426300][ T5756] ? gfs2_recover_set+0x240/0x240
[ 251.431562][ T5756] ? snprintf+0xe5/0x140
[ 251.435803][ T5756] ? __free_pages+0x95/0x1a0
[ 251.440383][ T5756] ? vscnprintf+0x80/0x80
[ 251.444703][ T5756] gfs2_fill_super+0x120f/0x1f00
[ 251.449682][ T5756] ? gfs2_reconfigure+0xd30/0xd30
[ 251.454742][ T5756] ? sb_set_blocksize+0xa5/0xe0
[ 251.459608][ T5756] get_tree_bdev+0x3f1/0x610
[ 251.464204][ T5756] ? gfs2_reconfigure+0xd30/0xd30
[ 251.469212][ T5756] gfs2_get_tree+0x4d/0x1e0
[ 251.473712][ T5756] vfs_get_tree+0x88/0x270
[ 251.478113][ T5756] do_new_mount+0x24a/0xa40
[ 251.482604][ T5756] __se_sys_mount+0x2e3/0x3d0
[ 251.487273][ T5756] ? __x64_sys_mount+0xc0/0xc0
[ 251.492024][ T5756] ? lockdep_hardirqs_on+0x94/0x140
[ 251.497200][ T5756] ? __x64_sys_mount+0x1c/0xc0
[ 251.501952][ T5756] do_syscall_64+0x4c/0xa0
[ 251.506388][ T5756] ? clear_bhb_loop+0x30/0x80
[ 251.511049][ T5756] ? clear_bhb_loop+0x30/0x80
[ 251.515813][ T5756] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.521780][ T5756] RIP: 0033:0x7fca3377f60a
[ 251.526178][ T5756] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 251.545852][ T5756] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.554257][ T5756] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 251.562232][ T5756] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 251.570444][ T5756] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 251.578437][ T5756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.586418][ T5756] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.594546][ T5756]
[ 251.599012][ T5756] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.612387][ T5756] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.931055][ T5758] loop1: detected capacity change from 0 to 32768
[ 251.991552][ T5758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.999161][ T5758] CPU: 0 PID: 5758 Comm: syz.1.220 Not tainted syzkaller #0
[ 252.006548][ T5758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 252.016787][ T5758] Call Trace:
[ 252.020073][ T5758]
[ 252.023094][ T5758] dump_stack_lvl+0x188/0x250
[ 252.027882][ T5758] ? show_regs_print_info+0x20/0x20
[ 252.033097][ T5758] ? load_image+0x400/0x400
[ 252.037624][ T5758] sysfs_create_dir_ns+0x26a/0x290
[ 252.042836][ T5758] ? sysfs_warn_dup+0xa0/0xa0
[ 252.047523][ T5758] ? do_raw_spin_unlock+0x11d/0x230
[ 252.052731][ T5758] kobject_add_internal+0x6e0/0xd90
[ 252.057951][ T5758] kobject_init_and_add+0x128/0x190
[ 252.063255][ T5758] ? lockdep_softirqs_off+0x430/0x430
[ 252.068640][ T5758] ? kobject_add+0x230/0x230
[ 252.073303][ T5758] ? __init_swait_queue_head+0xa5/0x150
[ 252.078848][ T5758] gfs2_sys_fs_add+0x24f/0x4b0
[ 252.083594][ T5758] ? gfs2_recover_set+0x240/0x240
[ 252.088771][ T5758] ? snprintf+0xe5/0x140
[ 252.092988][ T5758] ? __free_pages+0x95/0x1a0
[ 252.097814][ T5758] ? vscnprintf+0x80/0x80
[ 252.102152][ T5758] gfs2_fill_super+0x120f/0x1f00
[ 252.107117][ T5758] ? gfs2_reconfigure+0xd30/0xd30
[ 252.112132][ T5758] ? sb_set_blocksize+0xa5/0xe0
[ 252.116965][ T5758] get_tree_bdev+0x3f1/0x610
[ 252.121556][ T5758] ? gfs2_reconfigure+0xd30/0xd30
[ 252.126578][ T5758] gfs2_get_tree+0x4d/0x1e0
[ 252.131073][ T5758] vfs_get_tree+0x88/0x270
[ 252.135587][ T5758] do_new_mount+0x24a/0xa40
[ 252.140348][ T5758] __se_sys_mount+0x2e3/0x3d0
[ 252.145178][ T5758] ? __x64_sys_mount+0xc0/0xc0
[ 252.149984][ T5758] ? lockdep_hardirqs_on+0x94/0x140
[ 252.155323][ T5758] ? __x64_sys_mount+0x1c/0xc0
[ 252.160193][ T5758] do_syscall_64+0x4c/0xa0
[ 252.164729][ T5758] ? clear_bhb_loop+0x30/0x80
[ 252.169410][ T5758] ? clear_bhb_loop+0x30/0x80
[ 252.174083][ T5758] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.179979][ T5758] RIP: 0033:0x7fca3377f60a
[ 252.184384][ T5758] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 252.204183][ T5758] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.212805][ T5758] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 252.220770][ T5758] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 252.228736][ T5758] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 252.236799][ T5758] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.244766][ T5758] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.252738][ T5758]
[ 252.256973][ T5758] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.270368][ T5758] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.574061][ T5760] loop1: detected capacity change from 0 to 32768
[ 252.642839][ T5760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.650430][ T5760] CPU: 0 PID: 5760 Comm: syz.1.221 Not tainted syzkaller #0
[ 252.657831][ T5760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 252.668271][ T5760] Call Trace:
[ 252.671740][ T5760]
[ 252.674679][ T5760] dump_stack_lvl+0x188/0x250
[ 252.679382][ T5760] ? show_regs_print_info+0x20/0x20
[ 252.684624][ T5760] ? load_image+0x400/0x400
[ 252.689159][ T5760] sysfs_create_dir_ns+0x26a/0x290
[ 252.694474][ T5760] ? sysfs_warn_dup+0xa0/0xa0
[ 252.699218][ T5760] ? do_raw_spin_unlock+0x11d/0x230
[ 252.704529][ T5760] kobject_add_internal+0x6e0/0xd90
[ 252.709933][ T5760] kobject_init_and_add+0x128/0x190
[ 252.715149][ T5760] ? lockdep_softirqs_off+0x430/0x430
[ 252.720714][ T5760] ? kobject_add+0x230/0x230
[ 252.725313][ T5760] ? __init_swait_queue_head+0xa5/0x150
[ 252.731040][ T5760] gfs2_sys_fs_add+0x24f/0x4b0
[ 252.736297][ T5760] ? gfs2_recover_set+0x240/0x240
[ 252.741336][ T5760] ? snprintf+0xe5/0x140
[ 252.745889][ T5760] ? __free_pages+0x95/0x1a0
[ 252.750490][ T5760] ? vscnprintf+0x80/0x80
[ 252.754961][ T5760] gfs2_fill_super+0x120f/0x1f00
[ 252.759901][ T5760] ? gfs2_reconfigure+0xd30/0xd30
[ 252.764954][ T5760] ? sb_set_blocksize+0xa5/0xe0
[ 252.769827][ T5760] get_tree_bdev+0x3f1/0x610
[ 252.774416][ T5760] ? gfs2_reconfigure+0xd30/0xd30
[ 252.779669][ T5760] gfs2_get_tree+0x4d/0x1e0
[ 252.784212][ T5760] vfs_get_tree+0x88/0x270
[ 252.788743][ T5760] do_new_mount+0x24a/0xa40
[ 252.793270][ T5760] __se_sys_mount+0x2e3/0x3d0
[ 252.797954][ T5760] ? __x64_sys_mount+0xc0/0xc0
[ 252.802717][ T5760] ? lockdep_hardirqs_on+0x94/0x140
[ 252.808108][ T5760] ? __x64_sys_mount+0x1c/0xc0
[ 252.812878][ T5760] do_syscall_64+0x4c/0xa0
[ 252.817306][ T5760] ? clear_bhb_loop+0x30/0x80
[ 252.821970][ T5760] ? clear_bhb_loop+0x30/0x80
[ 252.826656][ T5760] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.832554][ T5760] RIP: 0033:0x7fca3377f60a
[ 252.837739][ T5760] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 252.857414][ T5760] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.866023][ T5760] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 252.874089][ T5760] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 252.882094][ T5760] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 252.890182][ T5760] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.898158][ T5760] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.906306][ T5760]
[ 252.910867][ T5760] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.924420][ T5760] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.254294][ T5762] loop1: detected capacity change from 0 to 32768
[ 253.302856][ T5762] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.311334][ T5762] CPU: 0 PID: 5762 Comm: syz.1.222 Not tainted syzkaller #0
[ 253.318766][ T5762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 253.329303][ T5762] Call Trace:
[ 253.332686][ T5762]
[ 253.335800][ T5762] dump_stack_lvl+0x188/0x250
[ 253.340495][ T5762] ? show_regs_print_info+0x20/0x20
[ 253.345710][ T5762] ? load_image+0x400/0x400
[ 253.350251][ T5762] sysfs_create_dir_ns+0x26a/0x290
[ 253.355385][ T5762] ? sysfs_warn_dup+0xa0/0xa0
[ 253.360094][ T5762] ? do_raw_spin_unlock+0x11d/0x230
[ 253.365313][ T5762] kobject_add_internal+0x6e0/0xd90
[ 253.370548][ T5762] kobject_init_and_add+0x128/0x190
[ 253.375959][ T5762] ? lockdep_softirqs_off+0x430/0x430
[ 253.381353][ T5762] ? kobject_add+0x230/0x230
[ 253.385962][ T5762] ? __init_swait_queue_head+0xa5/0x150
[ 253.391501][ T5762] gfs2_sys_fs_add+0x24f/0x4b0
[ 253.396252][ T5762] ? gfs2_recover_set+0x240/0x240
[ 253.401263][ T5762] ? snprintf+0xe5/0x140
[ 253.405752][ T5762] ? __free_pages+0x95/0x1a0
[ 253.410580][ T5762] ? vscnprintf+0x80/0x80
[ 253.414932][ T5762] gfs2_fill_super+0x120f/0x1f00
[ 253.420010][ T5762] ? gfs2_reconfigure+0xd30/0xd30
[ 253.425152][ T5762] ? sb_set_blocksize+0xa5/0xe0
[ 253.430427][ T5762] get_tree_bdev+0x3f1/0x610
[ 253.435167][ T5762] ? gfs2_reconfigure+0xd30/0xd30
[ 253.440196][ T5762] gfs2_get_tree+0x4d/0x1e0
[ 253.444702][ T5762] vfs_get_tree+0x88/0x270
[ 253.449123][ T5762] do_new_mount+0x24a/0xa40
[ 253.453719][ T5762] __se_sys_mount+0x2e3/0x3d0
[ 253.458604][ T5762] ? __x64_sys_mount+0xc0/0xc0
[ 253.463457][ T5762] ? lockdep_hardirqs_on+0x94/0x140
[ 253.468689][ T5762] ? __x64_sys_mount+0x1c/0xc0
[ 253.473455][ T5762] do_syscall_64+0x4c/0xa0
[ 253.477971][ T5762] ? clear_bhb_loop+0x30/0x80
[ 253.482779][ T5762] ? clear_bhb_loop+0x30/0x80
[ 253.487542][ T5762] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.493605][ T5762] RIP: 0033:0x7fca3377f60a
[ 253.498036][ T5762] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 253.518170][ T5762] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.526669][ T5762] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 253.534748][ T5762] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 253.543298][ T5762] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 253.551788][ T5762] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.560340][ T5762] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.568596][ T5762]
[ 253.573050][ T5762] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.586719][ T5762] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.893034][ T5764] loop1: detected capacity change from 0 to 32768
[ 253.983810][ T5764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.993719][ T5764] CPU: 0 PID: 5764 Comm: syz.1.223 Not tainted syzkaller #0
[ 254.001156][ T5764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 254.011223][ T5764] Call Trace:
[ 254.014515][ T5764]
[ 254.017459][ T5764] dump_stack_lvl+0x188/0x250
[ 254.022160][ T5764] ? show_regs_print_info+0x20/0x20
[ 254.027545][ T5764] ? load_image+0x400/0x400
[ 254.032104][ T5764] sysfs_create_dir_ns+0x26a/0x290
[ 254.037425][ T5764] ? sysfs_warn_dup+0xa0/0xa0
[ 254.042334][ T5764] ? do_raw_spin_unlock+0x11d/0x230
[ 254.047556][ T5764] kobject_add_internal+0x6e0/0xd90
[ 254.052857][ T5764] kobject_init_and_add+0x128/0x190
[ 254.058052][ T5764] ? lockdep_softirqs_off+0x430/0x430
[ 254.063533][ T5764] ? kobject_add+0x230/0x230
[ 254.068121][ T5764] ? __init_swait_queue_head+0xa5/0x150
[ 254.073876][ T5764] gfs2_sys_fs_add+0x24f/0x4b0
[ 254.078799][ T5764] ? gfs2_recover_set+0x240/0x240
[ 254.083821][ T5764] ? snprintf+0xe5/0x140
[ 254.088216][ T5764] ? __free_pages+0x95/0x1a0
[ 254.092816][ T5764] ? vscnprintf+0x80/0x80
[ 254.097592][ T5764] gfs2_fill_super+0x120f/0x1f00
[ 254.102543][ T5764] ? gfs2_reconfigure+0xd30/0xd30
[ 254.107736][ T5764] ? sb_set_blocksize+0xa5/0xe0
[ 254.112865][ T5764] get_tree_bdev+0x3f1/0x610
[ 254.117545][ T5764] ? gfs2_reconfigure+0xd30/0xd30
[ 254.122698][ T5764] gfs2_get_tree+0x4d/0x1e0
[ 254.127200][ T5764] vfs_get_tree+0x88/0x270
[ 254.131704][ T5764] do_new_mount+0x24a/0xa40
[ 254.136214][ T5764] __se_sys_mount+0x2e3/0x3d0
[ 254.140899][ T5764] ? __x64_sys_mount+0xc0/0xc0
[ 254.145661][ T5764] ? lockdep_hardirqs_on+0x94/0x140
[ 254.150854][ T5764] ? __x64_sys_mount+0x1c/0xc0
[ 254.155709][ T5764] do_syscall_64+0x4c/0xa0
[ 254.160204][ T5764] ? clear_bhb_loop+0x30/0x80
[ 254.164867][ T5764] ? clear_bhb_loop+0x30/0x80
[ 254.169537][ T5764] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.175446][ T5764] RIP: 0033:0x7fca3377f60a
[ 254.179934][ T5764] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 254.199524][ T5764] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.208018][ T5764] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 254.216085][ T5764] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 254.224048][ T5764] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 254.232098][ T5764] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.240072][ T5764] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.248051][ T5764]
[ 254.252318][ T5764] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.265469][ T5764] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.576118][ T5766] loop1: detected capacity change from 0 to 32768
[ 254.634296][ T5766] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.644847][ T5766] CPU: 0 PID: 5766 Comm: syz.1.224 Not tainted syzkaller #0
[ 254.652161][ T5766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 254.662316][ T5766] Call Trace:
[ 254.665609][ T5766]
[ 254.668593][ T5766] dump_stack_lvl+0x188/0x250
[ 254.673300][ T5766] ? show_regs_print_info+0x20/0x20
[ 254.678524][ T5766] ? load_image+0x400/0x400
[ 254.683056][ T5766] sysfs_create_dir_ns+0x26a/0x290
[ 254.688185][ T5766] ? sysfs_warn_dup+0xa0/0xa0
[ 254.692879][ T5766] ? do_raw_spin_unlock+0x11d/0x230
[ 254.698089][ T5766] kobject_add_internal+0x6e0/0xd90
[ 254.703307][ T5766] kobject_init_and_add+0x128/0x190
[ 254.708518][ T5766] ? lockdep_softirqs_off+0x430/0x430
[ 254.713912][ T5766] ? kobject_add+0x230/0x230
[ 254.718525][ T5766] ? __init_swait_queue_head+0xa5/0x150
[ 254.724177][ T5766] gfs2_sys_fs_add+0x24f/0x4b0
[ 254.728954][ T5766] ? gfs2_recover_set+0x240/0x240
[ 254.734014][ T5766] ? snprintf+0xe5/0x140
[ 254.738516][ T5766] ? __free_pages+0x95/0x1a0
[ 254.743105][ T5766] ? vscnprintf+0x80/0x80
[ 254.747427][ T5766] gfs2_fill_super+0x120f/0x1f00
[ 254.752371][ T5766] ? gfs2_reconfigure+0xd30/0xd30
[ 254.757387][ T5766] ? sb_set_blocksize+0xa5/0xe0
[ 254.762221][ T5766] get_tree_bdev+0x3f1/0x610
[ 254.766819][ T5766] ? gfs2_reconfigure+0xd30/0xd30
[ 254.772039][ T5766] gfs2_get_tree+0x4d/0x1e0
[ 254.776533][ T5766] vfs_get_tree+0x88/0x270
[ 254.780935][ T5766] do_new_mount+0x24a/0xa40
[ 254.785430][ T5766] __se_sys_mount+0x2e3/0x3d0
[ 254.790131][ T5766] ? __x64_sys_mount+0xc0/0xc0
[ 254.794893][ T5766] ? lockdep_hardirqs_on+0x94/0x140
[ 254.800189][ T5766] ? __x64_sys_mount+0x1c/0xc0
[ 254.804948][ T5766] do_syscall_64+0x4c/0xa0
[ 254.809360][ T5766] ? clear_bhb_loop+0x30/0x80
[ 254.814033][ T5766] ? clear_bhb_loop+0x30/0x80
[ 254.818708][ T5766] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.824585][ T5766] RIP: 0033:0x7fca3377f60a
[ 254.828986][ T5766] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 254.848576][ T5766] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.856988][ T5766] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 254.865302][ T5766] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 254.873276][ T5766] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 254.881327][ T5766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.889288][ T5766] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.897258][ T5766]
[ 254.901655][ T5766] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.914967][ T5766] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.200134][ T5768] loop1: detected capacity change from 0 to 32768
[ 255.261772][ T5768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.269191][ T5768] CPU: 0 PID: 5768 Comm: syz.1.225 Not tainted syzkaller #0
[ 255.276616][ T5768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 255.286772][ T5768] Call Trace:
[ 255.290077][ T5768]
[ 255.293024][ T5768] dump_stack_lvl+0x188/0x250
[ 255.297719][ T5768] ? show_regs_print_info+0x20/0x20
[ 255.302942][ T5768] ? load_image+0x400/0x400
[ 255.307468][ T5768] sysfs_create_dir_ns+0x26a/0x290
[ 255.312597][ T5768] ? sysfs_warn_dup+0xa0/0xa0
[ 255.317297][ T5768] ? do_raw_spin_unlock+0x11d/0x230
[ 255.322517][ T5768] kobject_add_internal+0x6e0/0xd90
[ 255.327746][ T5768] kobject_init_and_add+0x128/0x190
[ 255.332964][ T5768] ? lockdep_softirqs_off+0x430/0x430
[ 255.338446][ T5768] ? kobject_add+0x230/0x230
[ 255.343070][ T5768] ? __init_swait_queue_head+0xa5/0x150
[ 255.348973][ T5768] gfs2_sys_fs_add+0x24f/0x4b0
[ 255.353753][ T5768] ? gfs2_recover_set+0x240/0x240
[ 255.358856][ T5768] ? snprintf+0xe5/0x140
[ 255.363176][ T5768] ? __free_pages+0x95/0x1a0
[ 255.367771][ T5768] ? vscnprintf+0x80/0x80
[ 255.372236][ T5768] gfs2_fill_super+0x120f/0x1f00
[ 255.377170][ T5768] ? gfs2_reconfigure+0xd30/0xd30
[ 255.382451][ T5768] ? sb_set_blocksize+0xa5/0xe0
[ 255.387310][ T5768] get_tree_bdev+0x3f1/0x610
[ 255.391919][ T5768] ? gfs2_reconfigure+0xd30/0xd30
[ 255.396943][ T5768] gfs2_get_tree+0x4d/0x1e0
[ 255.401675][ T5768] vfs_get_tree+0x88/0x270
[ 255.406197][ T5768] do_new_mount+0x24a/0xa40
[ 255.410703][ T5768] __se_sys_mount+0x2e3/0x3d0
[ 255.415389][ T5768] ? __x64_sys_mount+0xc0/0xc0
[ 255.420373][ T5768] ? lockdep_hardirqs_on+0x94/0x140
[ 255.425591][ T5768] ? __x64_sys_mount+0x1c/0xc0
[ 255.430355][ T5768] do_syscall_64+0x4c/0xa0
[ 255.434765][ T5768] ? clear_bhb_loop+0x30/0x80
[ 255.439556][ T5768] ? clear_bhb_loop+0x30/0x80
[ 255.444340][ T5768] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.450227][ T5768] RIP: 0033:0x7fca3377f60a
[ 255.454642][ T5768] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 255.474484][ T5768] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.482943][ T5768] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 255.490917][ T5768] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 255.498873][ T5768] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 255.506846][ T5768] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.514808][ T5768] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.522791][ T5768]
[ 255.527446][ T5768] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.540762][ T5768] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.654924][ T1423] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.661294][ T1423] ieee802154 phy1 wpan1: encryption failed: -22
2026/04/11 15:36:21 executed programs: 211
[ 255.862804][ T5770] loop1: detected capacity change from 0 to 32768
[ 255.930971][ T5770] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.938528][ T5770] CPU: 1 PID: 5770 Comm: syz.1.226 Not tainted syzkaller #0
[ 255.945839][ T5770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 255.955909][ T5770] Call Trace:
[ 255.959194][ T5770]
[ 255.962140][ T5770] dump_stack_lvl+0x188/0x250
[ 255.966925][ T5770] ? show_regs_print_info+0x20/0x20
[ 255.972136][ T5770] ? load_image+0x400/0x400
[ 255.976665][ T5770] sysfs_create_dir_ns+0x26a/0x290
[ 255.981792][ T5770] ? sysfs_warn_dup+0xa0/0xa0
[ 255.986480][ T5770] ? do_raw_spin_unlock+0x11d/0x230
[ 255.991795][ T5770] kobject_add_internal+0x6e0/0xd90
[ 255.997107][ T5770] kobject_init_and_add+0x128/0x190
[ 256.002313][ T5770] ? lockdep_softirqs_off+0x430/0x430
[ 256.007806][ T5770] ? kobject_add+0x230/0x230
[ 256.012416][ T5770] ? __init_swait_queue_head+0xa5/0x150
[ 256.018345][ T5770] gfs2_sys_fs_add+0x24f/0x4b0
[ 256.023092][ T5770] ? gfs2_recover_set+0x240/0x240
[ 256.028099][ T5770] ? snprintf+0xe5/0x140
[ 256.032343][ T5770] ? __free_pages+0x95/0x1a0
[ 256.037264][ T5770] ? vscnprintf+0x80/0x80
[ 256.041693][ T5770] gfs2_fill_super+0x120f/0x1f00
[ 256.046848][ T5770] ? gfs2_reconfigure+0xd30/0xd30
[ 256.051888][ T5770] ? sb_set_blocksize+0xa5/0xe0
[ 256.056748][ T5770] get_tree_bdev+0x3f1/0x610
[ 256.061329][ T5770] ? gfs2_reconfigure+0xd30/0xd30
[ 256.066439][ T5770] gfs2_get_tree+0x4d/0x1e0
[ 256.070946][ T5770] vfs_get_tree+0x88/0x270
[ 256.075652][ T5770] do_new_mount+0x24a/0xa40
[ 256.080305][ T5770] __se_sys_mount+0x2e3/0x3d0
[ 256.085076][ T5770] ? __x64_sys_mount+0xc0/0xc0
[ 256.089850][ T5770] ? lockdep_hardirqs_on+0x94/0x140
[ 256.095132][ T5770] ? __x64_sys_mount+0x1c/0xc0
[ 256.099896][ T5770] do_syscall_64+0x4c/0xa0
[ 256.104422][ T5770] ? clear_bhb_loop+0x30/0x80
[ 256.109087][ T5770] ? clear_bhb_loop+0x30/0x80
[ 256.113758][ T5770] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.119657][ T5770] RIP: 0033:0x7fca3377f60a
[ 256.124269][ T5770] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 256.145007][ T5770] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.153503][ T5770] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 256.161489][ T5770] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 256.169653][ T5770] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 256.177716][ T5770] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.185684][ T5770] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.193834][ T5770]
[ 256.198036][ T5770] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.211390][ T5770] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.513822][ T5772] loop1: detected capacity change from 0 to 32768
[ 256.595340][ T5772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.602913][ T5772] CPU: 0 PID: 5772 Comm: syz.1.227 Not tainted syzkaller #0
[ 256.610291][ T5772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 256.620362][ T5772] Call Trace:
[ 256.623651][ T5772]
[ 256.626589][ T5772] dump_stack_lvl+0x188/0x250
[ 256.631300][ T5772] ? show_regs_print_info+0x20/0x20
[ 256.636619][ T5772] ? load_image+0x400/0x400
[ 256.641163][ T5772] sysfs_create_dir_ns+0x26a/0x290
[ 256.646553][ T5772] ? sysfs_warn_dup+0xa0/0xa0
[ 256.651247][ T5772] ? do_raw_spin_unlock+0x11d/0x230
[ 256.656466][ T5772] kobject_add_internal+0x6e0/0xd90
[ 256.661689][ T5772] kobject_init_and_add+0x128/0x190
[ 256.666890][ T5772] ? lockdep_softirqs_off+0x430/0x430
[ 256.672251][ T5772] ? kobject_add+0x230/0x230
[ 256.676879][ T5772] ? __init_swait_queue_head+0xa5/0x150
[ 256.682524][ T5772] gfs2_sys_fs_add+0x24f/0x4b0
[ 256.687278][ T5772] ? gfs2_recover_set+0x240/0x240
[ 256.692295][ T5772] ? snprintf+0xe5/0x140
[ 256.696559][ T5772] ? __free_pages+0x95/0x1a0
[ 256.701167][ T5772] ? vscnprintf+0x80/0x80
[ 256.705576][ T5772] gfs2_fill_super+0x120f/0x1f00
[ 256.710515][ T5772] ? gfs2_reconfigure+0xd30/0xd30
[ 256.715634][ T5772] ? sb_set_blocksize+0xa5/0xe0
[ 256.720498][ T5772] get_tree_bdev+0x3f1/0x610
[ 256.725085][ T5772] ? gfs2_reconfigure+0xd30/0xd30
[ 256.730130][ T5772] gfs2_get_tree+0x4d/0x1e0
[ 256.734624][ T5772] vfs_get_tree+0x88/0x270
[ 256.739027][ T5772] do_new_mount+0x24a/0xa40
[ 256.743522][ T5772] __se_sys_mount+0x2e3/0x3d0
[ 256.748207][ T5772] ? __x64_sys_mount+0xc0/0xc0
[ 256.752970][ T5772] ? lockdep_hardirqs_on+0x94/0x140
[ 256.758164][ T5772] ? __x64_sys_mount+0x1c/0xc0
[ 256.763036][ T5772] do_syscall_64+0x4c/0xa0
[ 256.767466][ T5772] ? clear_bhb_loop+0x30/0x80
[ 256.772223][ T5772] ? clear_bhb_loop+0x30/0x80
[ 256.776908][ T5772] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.782787][ T5772] RIP: 0033:0x7fca3377f60a
[ 256.787297][ T5772] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 256.807193][ T5772] RSP: 002b:00007fca32de1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.815603][ T5772] RAX: ffffffffffffffda RBX: 00007fca32de1ee0 RCX: 00007fca3377f60a
[ 256.823875][ T5772] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fca32de1ea0
[ 256.831848][ T5772] RBP: 0000200000000400 R08: 00007fca32de1ee0 R09: 0000000000000000
[ 256.840079][ T5772] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.848138][ T5772] R13: 00007fca32de1ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.856221][ T5772]
[ 256.860614][ T5772] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.873868][ T5772] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.931910][ T27] INFO: task syz.0.17:5326 blocked for more than 143 seconds.
[ 256.939879][ T27] Not tainted syzkaller #0
[ 256.946161][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 256.954977][ T27] task:syz.0.17 state:D stack:24208 pid: 5326 ppid: 5106 flags:0x00004004
[ 256.964575][ T27] Call Trace:
[ 256.967851][ T27]
[ 256.970839][ T27] __schedule+0x11ef/0x43c0
[ 256.975404][ T27] ? mark_lock+0x94/0x320
[ 256.979853][ T27] ? lock_chain_count+0x20/0x20
[ 256.984849][ T27] ? release_firmware_map_entry+0x190/0x190
[ 256.990764][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 256.996717][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 257.001969][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 257.007987][ T27] schedule+0x11b/0x1e0
[ 257.012203][ T27] bit_wait+0xd/0xc0
[ 257.016124][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 257.021646][ T27] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 257.027806][ T27] ? __wait_on_bit+0x170/0x170
[ 257.032601][ T27] ? bit_waitqueue+0x30/0x30
[ 257.037372][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 257.042224][ T27] gfs2_statfs_init+0x11f/0x4d0
[ 257.047324][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 257.052305][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 257.057807][ T27] ? init_per_node+0x2cb/0x3e0
[ 257.062831][ T27] ? gfs2_statfs_init+0x117/0x4d0
[ 257.067960][ T27] ? init_inodes+0x26a/0x320
[ 257.072818][ T27] gfs2_fill_super+0x16fc/0x1f00
[ 257.077816][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 257.083586][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 257.088685][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 257.093683][ T27] get_tree_bdev+0x3f1/0x610
[ 257.098295][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 257.103373][ T27] gfs2_get_tree+0x4d/0x1e0
[ 257.107896][ T27] vfs_get_tree+0x88/0x270
[ 257.112334][ T27] do_new_mount+0x24a/0xa40
[ 257.116845][ T27] __se_sys_mount+0x2e3/0x3d0
[ 257.121510][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 257.126374][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 257.131616][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 257.136391][ T27] do_syscall_64+0x4c/0xa0
[ 257.141013][ T27] ? clear_bhb_loop+0x30/0x80
[ 257.146081][ T27] ? clear_bhb_loop+0x30/0x80
[ 257.150774][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.156729][ T27] RIP: 0033:0x7fddd7dbd60a
[ 257.161167][ T27] RSP: 002b:00007fddd741fe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.169830][ T27] RAX: ffffffffffffffda RBX: 00007fddd741fee0 RCX: 00007fddd7dbd60a
[ 257.177941][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fddd741fea0
[ 257.186187][ T27] RBP: 0000200000000400 R08: 00007fddd741fee0 R09: 0000000000000000
[ 257.194273][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.202381][ T27] R13: 00007fddd741fea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.210822][ T27]
[ 257.214078][ T27]
[ 257.214078][ T27] Showing all locks held in the system:
[ 257.222173][ T27] 1 lock held by khungtaskd/27:
[ 257.227012][ T27] #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 257.236607][ T27] 1 lock held by klogd/3550:
[ 257.241440][ T27] #0: ffff8880b903a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 257.258199][ T27] 2 locks held by getty/3946:
[ 257.268403][ T27] #0: ffff88802be6f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 257.278308][ T27] #1: ffffc90002d032e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[ 257.288476][ T27] 3 locks held by kworker/0:12/4400:
[ 257.294817][ T27] #0: ffff888016c70938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x761/0x1010
[ 257.305288][ T27] #1: ffffc900030bfd00 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010
[ 257.317796][ T27] #2: ffffffff8c323528 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2d1/0x750
[ 257.336062][ T27] 2 locks held by kworker/0:13/4401:
[ 257.341387][ T27] #0: ffff888016c72138 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x761/0x1010
[ 257.356108][ T27] #1: ffffc900030cfd00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010
[ 257.367973][ T27] 1 lock held by syz.0.17/5326:
[ 257.373091][ T27] #0: ffff8881476b20e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 257.383720][ T27]
[ 257.386064][ T27] =============================================
[ 257.386064][ T27]
[ 257.395070][ T27] NMI backtrace for cpu 0
[ 257.399408][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 257.406614][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 257.416799][ T27] Call Trace:
[ 257.420088][ T27]
[ 257.423023][ T27] dump_stack_lvl+0x188/0x250
[ 257.427713][ T27] ? show_regs_print_info+0x20/0x20
[ 257.432927][ T27] ? load_image+0x400/0x400
[ 257.437619][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 257.443166][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 257.448312][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 257.453358][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 257.459515][ T27] ? _printk+0xda/0x130
[ 257.463694][ T27] ? load_image+0x400/0x400
[ 257.468295][ T27] ? load_image+0x400/0x400
[ 257.472922][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 257.479006][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 257.485034][ T27] watchdog+0xe0f/0xe50
[ 257.489311][ T27] kthread+0x436/0x520
[ 257.493390][ T27] ? hungtask_pm_notify+0x40/0x40
[ 257.498514][ T27] ? kthread_blkcg+0xd0/0xd0
[ 257.503129][ T27] ret_from_fork+0x1f/0x30
[ 257.507583][ T27]
[ 257.511169][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 257.516545][ C1] NMI backtrace for cpu 1
[ 257.516557][ C1] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted syzkaller #0
[ 257.516574][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 257.516583][ C1] Workqueue: events_unbound cfg80211_wiphy_work
[ 257.516605][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60
[ 257.516625][ C1] Code: a4 4e 89 7e 65 8b 15 a5 4e 89 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 74 2c 8b 91 10 16 00 00 <83> fa 02 75 21 48 8b 91 18 16 00 00 48 8b 32 48 8d 7e 01 8b 89 14
[ 257.516639][ C1] RSP: 0018:ffffc90000ce78b0 EFLAGS: 00000246
[ 257.516651][ C1] RAX: ffffffff89512dfb RBX: 0000000000000003 RCX: ffff88813fe90000
[ 257.516663][ C1] RDX: 0000000000000000 RSI: 0000000000000014 RDI: 000000000000006e
[ 257.516673][ C1] RBP: 000000000000006e R08: ffffffff8d89e36f R09: 1ffffffff1b13c6d
[ 257.516685][ C1] R10: dffffc0000000000 R11: fffffbfff1b13c6e R12: 000000000000000b
[ 257.516696][ C1] R13: 0000000000000014 R14: dffffc0000000000 R15: ffff88807a8fb3f0
[ 257.516708][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 257.516721][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 257.516732][ C1] CR2: 00007fca2b9c1000 CR3: 0000000022d43000 CR4: 00000000003506e0
[ 257.516747][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 257.516757][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 257.516767][ C1] Call Trace:
[ 257.516772][ C1]
[ 257.516777][ C1] ieee80211_sta_get_rates+0x39b/0x6b0
[ 257.516800][ C1] ieee80211_ibss_rx_queued_mgmt+0xf5f/0x2ab0
[ 257.516827][ C1] ? ieee80211_ibss_rx_no_sta+0x770/0x770
[ 257.516842][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 257.516858][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 257.516876][ C1] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 257.516890][ C1] ? _raw_spin_unlock+0x40/0x40
[ 257.516904][ C1] ? kcov_remote_start+0x6f/0x4a0
[ 257.516920][ C1] ? kcov_remote_start+0xea/0x4a0
[ 257.516936][ C1] ieee80211_iface_work+0x70e/0xc60
[ 257.516955][ C1] cfg80211_wiphy_work+0x221/0x260
[ 257.516980][ C1] process_one_work+0x85f/0x1010
[ 257.517002][ C1] ? worker_detach_from_pool+0x240/0x240
[ 257.517017][ C1] ? lockdep_hardirqs_off+0x70/0x100
[ 257.517034][ C1] ? _raw_spin_lock_irq+0xb7/0xf0
[ 257.517048][ C1] ? _raw_spin_lock_irqsave+0x100/0x100
[ 257.517063][ C1] ? wq_worker_running+0x97/0x170
[ 257.517079][ C1] worker_thread+0xaa6/0x1290
[ 257.517105][ C1] kthread+0x436/0x520
[ 257.517118][ C1] ? rcu_lock_release+0x20/0x20
[ 257.517133][ C1] ? kthread_blkcg+0xd0/0xd0
[ 257.517147][ C1] ret_from_fork+0x1f/0x30
[ 257.517168][ C1]
[ 257.518411][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 257.636951][ T5774] loop1: detected capacity change from 0 to 32768
[ 257.642736][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 257.642756][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 257.642765][ T27] Call Trace:
[ 257.642772][ T27]
[ 257.642779][ T27] dump_stack_lvl+0x188/0x250
[ 257.642802][ T27] ? show_regs_print_info+0x20/0x20
[ 257.642822][ T27] ? load_image+0x400/0x400
[ 257.642845][ T27] panic+0x2e5/0x810
[ 257.642863][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 257.642885][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 257.848248][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 257.854507][ T27] watchdog+0xe4e/0xe50
[ 257.858701][ T27] kthread+0x436/0x520
[ 257.862762][ T27] ? hungtask_pm_notify+0x40/0x40
[ 257.867799][ T27] ? kthread_blkcg+0xd0/0xd0
[ 257.872488][ T27] ret_from_fork+0x1f/0x30
[ 257.876930][ T27]
[ 257.880372][ T27] Kernel Offset: disabled
[ 257.884695][ T27] Rebooting in 86400 seconds..