T5356] dump_stack_lvl+0x188/0x250
[ 210.091982][ T5356] ? show_regs_print_info+0x20/0x20
[ 210.097338][ T5356] ? load_image+0x400/0x400
[ 210.101890][ T5356] sysfs_create_dir_ns+0x26a/0x290
[ 210.107225][ T5356] ? sysfs_warn_dup+0xa0/0xa0
[ 210.111945][ T5356] ? do_raw_spin_unlock+0x11d/0x230
[ 210.117266][ T5356] kobject_add_internal+0x6e0/0xd90
[ 210.122694][ T5356] kobject_init_and_add+0x128/0x190
[ 210.127955][ T5356] ? lockdep_softirqs_off+0x430/0x430
[ 210.133450][ T5356] ? kobject_add+0x230/0x230
[ 210.138356][ T5356] ? __init_swait_queue_head+0xa5/0x150
[ 210.143957][ T5356] gfs2_sys_fs_add+0x24f/0x4b0
[ 210.148897][ T5356] ? gfs2_recover_set+0x240/0x240
[ 210.154016][ T5356] ? snprintf+0xe5/0x140
[ 210.158275][ T5356] ? __free_pages+0x95/0x1a0
[ 210.163118][ T5356] ? vscnprintf+0x80/0x80
[ 210.167482][ T5356] gfs2_fill_super+0x120f/0x1f00
[ 210.172453][ T5356] ? gfs2_reconfigure+0xd30/0xd30
[ 210.177656][ T5356] ? sb_set_blocksize+0xa5/0xe0
[ 210.182587][ T5356] get_tree_bdev+0x3f1/0x610
[ 210.187186][ T5356] ? gfs2_reconfigure+0xd30/0xd30
[ 210.192304][ T5356] gfs2_get_tree+0x4d/0x1e0
[ 210.196814][ T5356] vfs_get_tree+0x88/0x270
[ 210.201235][ T5356] do_new_mount+0x24a/0xa40
[ 210.205873][ T5356] __se_sys_mount+0x2e3/0x3d0
[ 210.210566][ T5356] ? __x64_sys_mount+0xc0/0xc0
[ 210.215404][ T5356] ? lockdep_hardirqs_on+0x94/0x140
[ 210.220741][ T5356] ? __x64_sys_mount+0x1c/0xc0
[ 210.225520][ T5356] do_syscall_64+0x4c/0xa0
[ 210.229941][ T5356] ? clear_bhb_loop+0x30/0x80
[ 210.234814][ T5356] ? clear_bhb_loop+0x30/0x80
[ 210.239489][ T5356] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 210.245662][ T5356] RIP: 0033:0x7f6b4115160a
[ 210.250323][ T5356] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 210.270524][ T5356] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 210.279061][ T5356] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 210.287296][ T5356] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 210.295282][ T5356] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 210.303353][ T5356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 210.311480][ T5356] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 210.319826][ T5356]
[ 210.324728][ T5356] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 210.338615][ T5356] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 210.684930][ T5358] loop1: detected capacity change from 0 to 32768
[ 210.747890][ T5358] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 210.755421][ T5358] CPU: 0 PID: 5358 Comm: syz.1.135 Not tainted syzkaller #0
[ 210.762739][ T5358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 210.773971][ T5358] Call Trace:
[ 210.777463][ T5358]
[ 210.780608][ T5358] dump_stack_lvl+0x188/0x250
[ 210.785462][ T5358] ? show_regs_print_info+0x20/0x20
[ 210.790897][ T5358] ? load_image+0x400/0x400
[ 210.795855][ T5358] sysfs_create_dir_ns+0x26a/0x290
[ 210.801094][ T5358] ? sysfs_warn_dup+0xa0/0xa0
[ 210.805983][ T5358] ? do_raw_spin_unlock+0x11d/0x230
[ 210.811239][ T5358] kobject_add_internal+0x6e0/0xd90
[ 210.816655][ T5358] kobject_init_and_add+0x128/0x190
[ 210.822068][ T5358] ? lockdep_softirqs_off+0x430/0x430
[ 210.827715][ T5358] ? kobject_add+0x230/0x230
[ 210.832478][ T5358] ? __init_swait_queue_head+0xa5/0x150
[ 210.838126][ T5358] gfs2_sys_fs_add+0x24f/0x4b0
[ 210.843071][ T5358] ? gfs2_recover_set+0x240/0x240
[ 210.848181][ T5358] ? snprintf+0xe5/0x140
[ 210.852425][ T5358] ? __free_pages+0x95/0x1a0
[ 210.857305][ T5358] ? vscnprintf+0x80/0x80
[ 210.861671][ T5358] gfs2_fill_super+0x120f/0x1f00
[ 210.866623][ T5358] ? gfs2_reconfigure+0xd30/0xd30
[ 210.871669][ T5358] ? sb_set_blocksize+0xa5/0xe0
[ 210.876520][ T5358] get_tree_bdev+0x3f1/0x610
[ 210.881296][ T5358] ? gfs2_reconfigure+0xd30/0xd30
[ 210.886601][ T5358] gfs2_get_tree+0x4d/0x1e0
[ 210.891199][ T5358] vfs_get_tree+0x88/0x270
[ 210.895719][ T5358] do_new_mount+0x24a/0xa40
[ 210.900230][ T5358] __se_sys_mount+0x2e3/0x3d0
[ 210.904905][ T5358] ? __x64_sys_mount+0xc0/0xc0
[ 210.909842][ T5358] ? lockdep_hardirqs_on+0x94/0x140
[ 210.915148][ T5358] ? __x64_sys_mount+0x1c/0xc0
[ 210.920011][ T5358] do_syscall_64+0x4c/0xa0
[ 210.924552][ T5358] ? clear_bhb_loop+0x30/0x80
[ 210.929468][ T5358] ? clear_bhb_loop+0x30/0x80
[ 210.934184][ T5358] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 210.940210][ T5358] RIP: 0033:0x7f6b4115160a
[ 210.944722][ T5358] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 210.964795][ T5358] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 210.973648][ T5358] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 210.981779][ T5358] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 210.989874][ T5358] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 210.997879][ T5358] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 211.006413][ T5358] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 211.014653][ T5358]
[ 211.019377][ T5358] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.033412][ T5358] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 211.391633][ T5360] loop1: detected capacity change from 0 to 32768
[ 211.460128][ T5360] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 211.467861][ T5360] CPU: 1 PID: 5360 Comm: syz.1.136 Not tainted syzkaller #0
[ 211.475284][ T5360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 211.485551][ T5360] Call Trace:
[ 211.489063][ T5360]
[ 211.492213][ T5360] dump_stack_lvl+0x188/0x250
[ 211.497055][ T5360] ? show_regs_print_info+0x20/0x20
[ 211.502551][ T5360] ? load_image+0x400/0x400
[ 211.507276][ T5360] sysfs_create_dir_ns+0x26a/0x290
[ 211.512774][ T5360] ? sysfs_warn_dup+0xa0/0xa0
[ 211.517671][ T5360] ? do_raw_spin_unlock+0x11d/0x230
[ 211.523088][ T5360] kobject_add_internal+0x6e0/0xd90
[ 211.528328][ T5360] kobject_init_and_add+0x128/0x190
[ 211.533739][ T5360] ? lockdep_softirqs_off+0x430/0x430
[ 211.539252][ T5360] ? kobject_add+0x230/0x230
[ 211.544091][ T5360] ? __init_swait_queue_head+0xa5/0x150
[ 211.550048][ T5360] gfs2_sys_fs_add+0x24f/0x4b0
[ 211.554817][ T5360] ? gfs2_recover_set+0x240/0x240
[ 211.560304][ T5360] ? snprintf+0xe5/0x140
[ 211.564865][ T5360] ? __free_pages+0x95/0x1a0
[ 211.569558][ T5360] ? vscnprintf+0x80/0x80
[ 211.573925][ T5360] gfs2_fill_super+0x120f/0x1f00
[ 211.578960][ T5360] ? gfs2_reconfigure+0xd30/0xd30
[ 211.583990][ T5360] ? sb_set_blocksize+0xa5/0xe0
[ 211.588839][ T5360] get_tree_bdev+0x3f1/0x610
[ 211.593536][ T5360] ? gfs2_reconfigure+0xd30/0xd30
[ 211.598567][ T5360] gfs2_get_tree+0x4d/0x1e0
[ 211.603072][ T5360] vfs_get_tree+0x88/0x270
[ 211.607709][ T5360] do_new_mount+0x24a/0xa40
[ 211.612338][ T5360] __se_sys_mount+0x2e3/0x3d0
[ 211.617025][ T5360] ? __x64_sys_mount+0xc0/0xc0
[ 211.621784][ T5360] ? lockdep_hardirqs_on+0x94/0x140
[ 211.627070][ T5360] ? __x64_sys_mount+0x1c/0xc0
[ 211.631972][ T5360] do_syscall_64+0x4c/0xa0
[ 211.636475][ T5360] ? clear_bhb_loop+0x30/0x80
[ 211.641157][ T5360] ? clear_bhb_loop+0x30/0x80
[ 211.645822][ T5360] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 211.651726][ T5360] RIP: 0033:0x7f6b4115160a
[ 211.656160][ T5360] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 211.676326][ T5360] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 211.685304][ T5360] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 211.693400][ T5360] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 211.701477][ T5360] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 211.709554][ T5360] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 211.717610][ T5360] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 211.725847][ T5360]
[ 211.730749][ T5360] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 211.744021][ T5360] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:15:48 executed programs: 122
[ 212.087804][ T5362] loop1: detected capacity change from 0 to 32768
[ 212.136707][ T5362] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.144325][ T5362] CPU: 1 PID: 5362 Comm: syz.1.137 Not tainted syzkaller #0
[ 212.151657][ T5362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 212.161827][ T5362] Call Trace:
[ 212.165143][ T5362]
[ 212.168101][ T5362] dump_stack_lvl+0x188/0x250
[ 212.172900][ T5362] ? show_regs_print_info+0x20/0x20
[ 212.178126][ T5362] ? load_image+0x400/0x400
[ 212.182666][ T5362] sysfs_create_dir_ns+0x26a/0x290
[ 212.187822][ T5362] ? sysfs_warn_dup+0xa0/0xa0
[ 212.192623][ T5362] ? do_raw_spin_unlock+0x11d/0x230
[ 212.198028][ T5362] kobject_add_internal+0x6e0/0xd90
[ 212.203260][ T5362] kobject_init_and_add+0x128/0x190
[ 212.208594][ T5362] ? lockdep_softirqs_off+0x430/0x430
[ 212.214219][ T5362] ? kobject_add+0x230/0x230
[ 212.219028][ T5362] ? __init_swait_queue_head+0xa5/0x150
[ 212.224631][ T5362] gfs2_sys_fs_add+0x24f/0x4b0
[ 212.229604][ T5362] ? gfs2_recover_set+0x240/0x240
[ 212.234632][ T5362] ? snprintf+0xe5/0x140
[ 212.239224][ T5362] ? __free_pages+0x95/0x1a0
[ 212.243850][ T5362] ? vscnprintf+0x80/0x80
[ 212.248209][ T5362] gfs2_fill_super+0x120f/0x1f00
[ 212.253481][ T5362] ? gfs2_reconfigure+0xd30/0xd30
[ 212.258787][ T5362] ? sb_set_blocksize+0xa5/0xe0
[ 212.263632][ T5362] get_tree_bdev+0x3f1/0x610
[ 212.268249][ T5362] ? gfs2_reconfigure+0xd30/0xd30
[ 212.273371][ T5362] gfs2_get_tree+0x4d/0x1e0
[ 212.278222][ T5362] vfs_get_tree+0x88/0x270
[ 212.282754][ T5362] do_new_mount+0x24a/0xa40
[ 212.287428][ T5362] __se_sys_mount+0x2e3/0x3d0
[ 212.292276][ T5362] ? __x64_sys_mount+0xc0/0xc0
[ 212.297070][ T5362] ? lockdep_hardirqs_on+0x94/0x140
[ 212.302297][ T5362] ? __x64_sys_mount+0x1c/0xc0
[ 212.307158][ T5362] do_syscall_64+0x4c/0xa0
[ 212.311781][ T5362] ? clear_bhb_loop+0x30/0x80
[ 212.316654][ T5362] ? clear_bhb_loop+0x30/0x80
[ 212.321434][ T5362] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 212.327362][ T5362] RIP: 0033:0x7f6b4115160a
[ 212.331870][ T5362] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 212.351559][ T5362] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 212.359973][ T5362] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 212.368042][ T5362] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 212.376194][ T5362] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 212.384391][ T5362] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 212.392377][ T5362] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 212.400487][ T5362]
[ 212.404848][ T5362] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 212.418388][ T5362] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 212.758854][ T5364] loop1: detected capacity change from 0 to 32768
[ 212.838551][ T5364] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 212.846180][ T5364] CPU: 1 PID: 5364 Comm: syz.1.138 Not tainted syzkaller #0
[ 212.853597][ T5364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 212.864033][ T5364] Call Trace:
[ 212.867431][ T5364]
[ 212.870401][ T5364] dump_stack_lvl+0x188/0x250
[ 212.875127][ T5364] ? show_regs_print_info+0x20/0x20
[ 212.880491][ T5364] ? load_image+0x400/0x400
[ 212.885230][ T5364] sysfs_create_dir_ns+0x26a/0x290
[ 212.890379][ T5364] ? sysfs_warn_dup+0xa0/0xa0
[ 212.895097][ T5364] ? do_raw_spin_unlock+0x11d/0x230
[ 212.900415][ T5364] kobject_add_internal+0x6e0/0xd90
[ 212.905765][ T5364] kobject_init_and_add+0x128/0x190
[ 212.911067][ T5364] ? lockdep_softirqs_off+0x430/0x430
[ 212.916540][ T5364] ? kobject_add+0x230/0x230
[ 212.921343][ T5364] ? __init_swait_queue_head+0xa5/0x150
[ 212.926893][ T5364] gfs2_sys_fs_add+0x24f/0x4b0
[ 212.931893][ T5364] ? gfs2_recover_set+0x240/0x240
[ 212.936939][ T5364] ? snprintf+0xe5/0x140
[ 212.941270][ T5364] ? __free_pages+0x95/0x1a0
[ 212.945860][ T5364] ? vscnprintf+0x80/0x80
[ 212.950458][ T5364] gfs2_fill_super+0x120f/0x1f00
[ 212.955494][ T5364] ? gfs2_reconfigure+0xd30/0xd30
[ 212.960623][ T5364] ? sb_set_blocksize+0xa5/0xe0
[ 212.965574][ T5364] get_tree_bdev+0x3f1/0x610
[ 212.970163][ T5364] ? gfs2_reconfigure+0xd30/0xd30
[ 212.975280][ T5364] gfs2_get_tree+0x4d/0x1e0
[ 212.979868][ T5364] vfs_get_tree+0x88/0x270
[ 212.984685][ T5364] do_new_mount+0x24a/0xa40
[ 212.989296][ T5364] __se_sys_mount+0x2e3/0x3d0
[ 212.994068][ T5364] ? __x64_sys_mount+0xc0/0xc0
[ 212.998936][ T5364] ? lockdep_hardirqs_on+0x94/0x140
[ 213.004243][ T5364] ? __x64_sys_mount+0x1c/0xc0
[ 213.009271][ T5364] do_syscall_64+0x4c/0xa0
[ 213.013790][ T5364] ? clear_bhb_loop+0x30/0x80
[ 213.018469][ T5364] ? clear_bhb_loop+0x30/0x80
[ 213.023354][ T5364] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.029376][ T5364] RIP: 0033:0x7f6b4115160a
[ 213.033974][ T5364] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 213.053845][ T5364] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.062548][ T5364] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 213.070784][ T5364] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 213.078835][ T5364] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 213.086798][ T5364] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 213.095024][ T5364] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 213.103188][ T5364]
[ 213.107790][ T5364] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.121523][ T5364] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 213.484241][ T5366] loop1: detected capacity change from 0 to 32768
[ 213.536610][ T5366] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 213.544761][ T5366] CPU: 0 PID: 5366 Comm: syz.1.139 Not tainted syzkaller #0
[ 213.552284][ T5366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 213.562477][ T5366] Call Trace:
[ 213.565795][ T5366]
[ 213.568841][ T5366] dump_stack_lvl+0x188/0x250
[ 213.573664][ T5366] ? show_regs_print_info+0x20/0x20
[ 213.578978][ T5366] ? load_image+0x400/0x400
[ 213.583536][ T5366] sysfs_create_dir_ns+0x26a/0x290
[ 213.588878][ T5366] ? sysfs_warn_dup+0xa0/0xa0
[ 213.593682][ T5366] ? do_raw_spin_unlock+0x11d/0x230
[ 213.598912][ T5366] kobject_add_internal+0x6e0/0xd90
[ 213.604142][ T5366] kobject_init_and_add+0x128/0x190
[ 213.609544][ T5366] ? lockdep_softirqs_off+0x430/0x430
[ 213.614945][ T5366] ? kobject_add+0x230/0x230
[ 213.619576][ T5366] ? __init_swait_queue_head+0xa5/0x150
[ 213.625144][ T5366] gfs2_sys_fs_add+0x24f/0x4b0
[ 213.629905][ T5366] ? gfs2_recover_set+0x240/0x240
[ 213.634928][ T5366] ? snprintf+0xe5/0x140
[ 213.639250][ T5366] ? __free_pages+0x95/0x1a0
[ 213.643837][ T5366] ? vscnprintf+0x80/0x80
[ 213.648522][ T5366] gfs2_fill_super+0x120f/0x1f00
[ 213.653501][ T5366] ? gfs2_reconfigure+0xd30/0xd30
[ 213.658662][ T5366] ? sb_set_blocksize+0xa5/0xe0
[ 213.663620][ T5366] get_tree_bdev+0x3f1/0x610
[ 213.668394][ T5366] ? gfs2_reconfigure+0xd30/0xd30
[ 213.673507][ T5366] gfs2_get_tree+0x4d/0x1e0
[ 213.678088][ T5366] vfs_get_tree+0x88/0x270
[ 213.682553][ T5366] do_new_mount+0x24a/0xa40
[ 213.687069][ T5366] __se_sys_mount+0x2e3/0x3d0
[ 213.691757][ T5366] ? __x64_sys_mount+0xc0/0xc0
[ 213.696614][ T5366] ? lockdep_hardirqs_on+0x94/0x140
[ 213.702088][ T5366] ? __x64_sys_mount+0x1c/0xc0
[ 213.707018][ T5366] do_syscall_64+0x4c/0xa0
[ 213.711441][ T5366] ? clear_bhb_loop+0x30/0x80
[ 213.716119][ T5366] ? clear_bhb_loop+0x30/0x80
[ 213.720800][ T5366] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 213.726691][ T5366] RIP: 0033:0x7f6b4115160a
[ 213.731103][ T5366] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 213.751049][ T5366] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 213.759833][ T5366] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 213.767885][ T5366] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 213.775962][ T5366] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 213.783924][ T5366] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 213.792062][ T5366] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 213.800412][ T5366]
[ 213.804775][ T5366] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 213.818701][ T5366] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 214.192681][ T5368] loop1: detected capacity change from 0 to 32768
[ 214.256716][ T5368] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 214.264526][ T5368] CPU: 1 PID: 5368 Comm: syz.1.140 Not tainted syzkaller #0
[ 214.271855][ T5368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 214.282118][ T5368] Call Trace:
[ 214.285432][ T5368]
[ 214.288475][ T5368] dump_stack_lvl+0x188/0x250
[ 214.293488][ T5368] ? show_regs_print_info+0x20/0x20
[ 214.299416][ T5368] ? load_image+0x400/0x400
[ 214.304162][ T5368] sysfs_create_dir_ns+0x26a/0x290
[ 214.309473][ T5368] ? sysfs_warn_dup+0xa0/0xa0
[ 214.314455][ T5368] ? do_raw_spin_unlock+0x11d/0x230
[ 214.319806][ T5368] kobject_add_internal+0x6e0/0xd90
[ 214.325096][ T5368] kobject_init_and_add+0x128/0x190
[ 214.330428][ T5368] ? lockdep_softirqs_off+0x430/0x430
[ 214.336036][ T5368] ? kobject_add+0x230/0x230
[ 214.340754][ T5368] ? __init_swait_queue_head+0xa5/0x150
[ 214.346639][ T5368] gfs2_sys_fs_add+0x24f/0x4b0
[ 214.351629][ T5368] ? gfs2_recover_set+0x240/0x240
[ 214.356668][ T5368] ? snprintf+0xe5/0x140
[ 214.360920][ T5368] ? __free_pages+0x95/0x1a0
[ 214.365710][ T5368] ? vscnprintf+0x80/0x80
[ 214.370223][ T5368] gfs2_fill_super+0x120f/0x1f00
[ 214.375475][ T5368] ? gfs2_reconfigure+0xd30/0xd30
[ 214.380610][ T5368] ? sb_set_blocksize+0xa5/0xe0
[ 214.385472][ T5368] get_tree_bdev+0x3f1/0x610
[ 214.390077][ T5368] ? gfs2_reconfigure+0xd30/0xd30
[ 214.395135][ T5368] gfs2_get_tree+0x4d/0x1e0
[ 214.399640][ T5368] vfs_get_tree+0x88/0x270
[ 214.404050][ T5368] do_new_mount+0x24a/0xa40
[ 214.408552][ T5368] __se_sys_mount+0x2e3/0x3d0
[ 214.413435][ T5368] ? __x64_sys_mount+0xc0/0xc0
[ 214.418225][ T5368] ? lockdep_hardirqs_on+0x94/0x140
[ 214.423822][ T5368] ? __x64_sys_mount+0x1c/0xc0
[ 214.428606][ T5368] do_syscall_64+0x4c/0xa0
[ 214.433153][ T5368] ? clear_bhb_loop+0x30/0x80
[ 214.437839][ T5368] ? clear_bhb_loop+0x30/0x80
[ 214.442664][ T5368] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 214.448584][ T5368] RIP: 0033:0x7f6b4115160a
[ 214.453101][ T5368] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 214.472799][ T5368] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 214.481494][ T5368] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 214.489584][ T5368] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 214.497824][ T5368] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 214.506102][ T5368] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 214.514262][ T5368] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 214.522248][ T5368]
[ 214.526855][ T5368] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 214.540639][ T5368] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 214.886892][ T5370] loop1: detected capacity change from 0 to 32768
[ 214.931061][ T5370] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 214.939169][ T5370] CPU: 1 PID: 5370 Comm: syz.1.141 Not tainted syzkaller #0
[ 214.946635][ T5370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 214.956770][ T5370] Call Trace:
[ 214.960205][ T5370]
[ 214.963166][ T5370] dump_stack_lvl+0x188/0x250
[ 214.967888][ T5370] ? show_regs_print_info+0x20/0x20
[ 214.973138][ T5370] ? load_image+0x400/0x400
[ 214.977699][ T5370] sysfs_create_dir_ns+0x26a/0x290
[ 214.982930][ T5370] ? sysfs_warn_dup+0xa0/0xa0
[ 214.987733][ T5370] ? do_raw_spin_unlock+0x11d/0x230
[ 214.992962][ T5370] kobject_add_internal+0x6e0/0xd90
[ 214.998194][ T5370] kobject_init_and_add+0x128/0x190
[ 215.003506][ T5370] ? lockdep_softirqs_off+0x430/0x430
[ 215.008909][ T5370] ? kobject_add+0x230/0x230
[ 215.013542][ T5370] ? __init_swait_queue_head+0xa5/0x150
[ 215.019218][ T5370] gfs2_sys_fs_add+0x24f/0x4b0
[ 215.024101][ T5370] ? gfs2_recover_set+0x240/0x240
[ 215.029135][ T5370] ? snprintf+0xe5/0x140
[ 215.033457][ T5370] ? __free_pages+0x95/0x1a0
[ 215.038164][ T5370] ? vscnprintf+0x80/0x80
[ 215.042812][ T5370] gfs2_fill_super+0x120f/0x1f00
[ 215.047757][ T5370] ? gfs2_reconfigure+0xd30/0xd30
[ 215.052786][ T5370] ? sb_set_blocksize+0xa5/0xe0
[ 215.057748][ T5370] get_tree_bdev+0x3f1/0x610
[ 215.062335][ T5370] ? gfs2_reconfigure+0xd30/0xd30
[ 215.067358][ T5370] gfs2_get_tree+0x4d/0x1e0
[ 215.071858][ T5370] vfs_get_tree+0x88/0x270
[ 215.076275][ T5370] do_new_mount+0x24a/0xa40
[ 215.080791][ T5370] __se_sys_mount+0x2e3/0x3d0
[ 215.085764][ T5370] ? __x64_sys_mount+0xc0/0xc0
[ 215.090649][ T5370] ? lockdep_hardirqs_on+0x94/0x140
[ 215.095873][ T5370] ? __x64_sys_mount+0x1c/0xc0
[ 215.100647][ T5370] do_syscall_64+0x4c/0xa0
[ 215.105062][ T5370] ? clear_bhb_loop+0x30/0x80
[ 215.109826][ T5370] ? clear_bhb_loop+0x30/0x80
[ 215.114600][ T5370] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 215.120569][ T5370] RIP: 0033:0x7f6b4115160a
[ 215.125106][ T5370] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 215.145111][ T5370] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 215.153724][ T5370] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 215.161954][ T5370] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 215.170228][ T5370] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 215.178304][ T5370] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 215.186389][ T5370] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 215.194467][ T5370]
[ 215.199021][ T5370] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 215.212586][ T5370] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 215.555589][ T5372] loop1: detected capacity change from 0 to 32768
[ 215.612305][ T5372] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 215.626672][ T5372] CPU: 1 PID: 5372 Comm: syz.1.142 Not tainted syzkaller #0
[ 215.634384][ T5372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 215.644759][ T5372] Call Trace:
[ 215.648069][ T5372]
[ 215.651022][ T5372] dump_stack_lvl+0x188/0x250
[ 215.655830][ T5372] ? show_regs_print_info+0x20/0x20
[ 215.661178][ T5372] ? load_image+0x400/0x400
[ 215.665731][ T5372] sysfs_create_dir_ns+0x26a/0x290
[ 215.670889][ T5372] ? sysfs_warn_dup+0xa0/0xa0
[ 215.675868][ T5372] ? do_raw_spin_unlock+0x11d/0x230
[ 215.681187][ T5372] kobject_add_internal+0x6e0/0xd90
[ 215.686708][ T5372] kobject_init_and_add+0x128/0x190
[ 215.692112][ T5372] ? lockdep_softirqs_off+0x430/0x430
[ 215.697695][ T5372] ? kobject_add+0x230/0x230
[ 215.702488][ T5372] ? __init_swait_queue_head+0xa5/0x150
[ 215.708042][ T5372] gfs2_sys_fs_add+0x24f/0x4b0
[ 215.712802][ T5372] ? gfs2_recover_set+0x240/0x240
[ 215.717851][ T5372] ? snprintf+0xe5/0x140
[ 215.722383][ T5372] ? __free_pages+0x95/0x1a0
[ 215.726971][ T5372] ? vscnprintf+0x80/0x80
[ 215.731559][ T5372] gfs2_fill_super+0x120f/0x1f00
[ 215.736686][ T5372] ? gfs2_reconfigure+0xd30/0xd30
[ 215.741741][ T5372] ? sb_set_blocksize+0xa5/0xe0
[ 215.746870][ T5372] get_tree_bdev+0x3f1/0x610
[ 215.751475][ T5372] ? gfs2_reconfigure+0xd30/0xd30
[ 215.756690][ T5372] gfs2_get_tree+0x4d/0x1e0
[ 215.761200][ T5372] vfs_get_tree+0x88/0x270
[ 215.765722][ T5372] do_new_mount+0x24a/0xa40
[ 215.770543][ T5372] __se_sys_mount+0x2e3/0x3d0
[ 215.775575][ T5372] ? __x64_sys_mount+0xc0/0xc0
[ 215.780423][ T5372] ? lockdep_hardirqs_on+0x94/0x140
[ 215.785798][ T5372] ? __x64_sys_mount+0x1c/0xc0
[ 215.790945][ T5372] do_syscall_64+0x4c/0xa0
[ 215.795545][ T5372] ? clear_bhb_loop+0x30/0x80
[ 215.800403][ T5372] ? clear_bhb_loop+0x30/0x80
[ 215.805173][ T5372] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 215.811065][ T5372] RIP: 0033:0x7f6b4115160a
[ 215.815860][ T5372] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 215.836232][ T5372] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 215.844768][ T5372] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 215.852897][ T5372] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 215.861061][ T5372] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 215.869822][ T5372] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 215.877973][ T5372] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 215.886215][ T5372]
[ 215.890610][ T5372] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 215.904489][ T5372] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 216.265831][ T5374] loop1: detected capacity change from 0 to 32768
[ 216.313392][ T5374] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 216.325808][ T5374] CPU: 0 PID: 5374 Comm: syz.1.143 Not tainted syzkaller #0
[ 216.333318][ T5374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 216.343994][ T5374] Call Trace:
[ 216.347439][ T5374]
[ 216.350399][ T5374] dump_stack_lvl+0x188/0x250
[ 216.355117][ T5374] ? show_regs_print_info+0x20/0x20
[ 216.360455][ T5374] ? load_image+0x400/0x400
[ 216.365005][ T5374] sysfs_create_dir_ns+0x26a/0x290
[ 216.370324][ T5374] ? sysfs_warn_dup+0xa0/0xa0
[ 216.375148][ T5374] ? do_raw_spin_unlock+0x11d/0x230
[ 216.380594][ T5374] kobject_add_internal+0x6e0/0xd90
[ 216.385929][ T5374] kobject_init_and_add+0x128/0x190
[ 216.391173][ T5374] ? lockdep_softirqs_off+0x430/0x430
[ 216.396865][ T5374] ? kobject_add+0x230/0x230
[ 216.401592][ T5374] ? __init_swait_queue_head+0xa5/0x150
[ 216.407432][ T5374] gfs2_sys_fs_add+0x24f/0x4b0
[ 216.412494][ T5374] ? gfs2_recover_set+0x240/0x240
[ 216.417563][ T5374] ? snprintf+0xe5/0x140
[ 216.422192][ T5374] ? __free_pages+0x95/0x1a0
[ 216.426876][ T5374] ? vscnprintf+0x80/0x80
[ 216.431220][ T5374] gfs2_fill_super+0x120f/0x1f00
[ 216.436417][ T5374] ? gfs2_reconfigure+0xd30/0xd30
[ 216.441552][ T5374] ? sb_set_blocksize+0xa5/0xe0
[ 216.446408][ T5374] get_tree_bdev+0x3f1/0x610
[ 216.451018][ T5374] ? gfs2_reconfigure+0xd30/0xd30
[ 216.456338][ T5374] gfs2_get_tree+0x4d/0x1e0
[ 216.460864][ T5374] vfs_get_tree+0x88/0x270
[ 216.465329][ T5374] do_new_mount+0x24a/0xa40
[ 216.470036][ T5374] __se_sys_mount+0x2e3/0x3d0
[ 216.474800][ T5374] ? __x64_sys_mount+0xc0/0xc0
[ 216.479558][ T5374] ? lockdep_hardirqs_on+0x94/0x140
[ 216.484844][ T5374] ? __x64_sys_mount+0x1c/0xc0
[ 216.489609][ T5374] do_syscall_64+0x4c/0xa0
[ 216.494109][ T5374] ? clear_bhb_loop+0x30/0x80
[ 216.498779][ T5374] ? clear_bhb_loop+0x30/0x80
[ 216.504586][ T5374] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 216.510762][ T5374] RIP: 0033:0x7f6b4115160a
[ 216.515270][ T5374] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 216.535142][ T5374] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 216.543830][ T5374] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 216.551890][ T5374] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 216.559854][ T5374] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 216.567924][ T5374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 216.576076][ T5374] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 216.584227][ T5374]
[ 216.588805][ T5374] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 216.602362][ T5374] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 216.958958][ T5376] loop1: detected capacity change from 0 to 32768
[ 217.014781][ T5376] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 217.022631][ T5376] CPU: 0 PID: 5376 Comm: syz.1.144 Not tainted syzkaller #0
[ 217.030120][ T5376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 217.040495][ T5376] Call Trace:
[ 217.043892][ T5376]
[ 217.046943][ T5376] dump_stack_lvl+0x188/0x250
[ 217.051657][ T5376] ? show_regs_print_info+0x20/0x20
[ 217.056888][ T5376] ? load_image+0x400/0x400
[ 217.061438][ T5376] sysfs_create_dir_ns+0x26a/0x290
[ 217.066591][ T5376] ? sysfs_warn_dup+0xa0/0xa0
[ 217.071313][ T5376] ? do_raw_spin_unlock+0x11d/0x230
[ 217.076649][ T5376] kobject_add_internal+0x6e0/0xd90
[ 217.082075][ T5376] kobject_init_and_add+0x128/0x190
[ 217.087568][ T5376] ? lockdep_softirqs_off+0x430/0x430
[ 217.092992][ T5376] ? kobject_add+0x230/0x230
[ 217.097926][ T5376] ? __init_swait_queue_head+0xa5/0x150
[ 217.103655][ T5376] gfs2_sys_fs_add+0x24f/0x4b0
[ 217.108450][ T5376] ? gfs2_recover_set+0x240/0x240
[ 217.113483][ T5376] ? snprintf+0xe5/0x140
[ 217.118135][ T5376] ? __free_pages+0x95/0x1a0
[ 217.122854][ T5376] ? vscnprintf+0x80/0x80
[ 217.127213][ T5376] gfs2_fill_super+0x120f/0x1f00
[ 217.132290][ T5376] ? gfs2_reconfigure+0xd30/0xd30
[ 217.137975][ T5376] ? sb_set_blocksize+0xa5/0xe0
[ 217.143042][ T5376] get_tree_bdev+0x3f1/0x610
[ 217.147885][ T5376] ? gfs2_reconfigure+0xd30/0xd30
[ 217.153192][ T5376] gfs2_get_tree+0x4d/0x1e0
[ 217.157727][ T5376] vfs_get_tree+0x88/0x270
[ 217.162256][ T5376] do_new_mount+0x24a/0xa40
[ 217.167056][ T5376] __se_sys_mount+0x2e3/0x3d0
[ 217.172090][ T5376] ? __x64_sys_mount+0xc0/0xc0
[ 217.176964][ T5376] ? lockdep_hardirqs_on+0x94/0x140
[ 217.182195][ T5376] ? __x64_sys_mount+0x1c/0xc0
[ 217.187317][ T5376] do_syscall_64+0x4c/0xa0
[ 217.191739][ T5376] ? clear_bhb_loop+0x30/0x80
[ 217.196531][ T5376] ? clear_bhb_loop+0x30/0x80
[ 217.201387][ T5376] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 217.207470][ T5376] RIP: 0033:0x7f6b4115160a
[ 217.211989][ T5376] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 217.231872][ T5376] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 217.240480][ T5376] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 217.248633][ T5376] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 217.256787][ T5376] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 217.264851][ T5376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 217.272912][ T5376] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 217.281400][ T5376]
[ 217.286073][ T5376] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 217.299616][ T5376] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:15:54 executed programs: 130
[ 217.650809][ T5378] loop1: detected capacity change from 0 to 32768
[ 217.718615][ T5378] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 217.726151][ T5378] CPU: 1 PID: 5378 Comm: syz.1.145 Not tainted syzkaller #0
[ 217.733460][ T5378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 217.743776][ T5378] Call Trace:
[ 217.747265][ T5378]
[ 217.750237][ T5378] dump_stack_lvl+0x188/0x250
[ 217.755062][ T5378] ? show_regs_print_info+0x20/0x20
[ 217.760295][ T5378] ? load_image+0x400/0x400
[ 217.764839][ T5378] sysfs_create_dir_ns+0x26a/0x290
[ 217.769989][ T5378] ? sysfs_warn_dup+0xa0/0xa0
[ 217.774803][ T5378] ? do_raw_spin_unlock+0x11d/0x230
[ 217.780055][ T5378] kobject_add_internal+0x6e0/0xd90
[ 217.785306][ T5378] kobject_init_and_add+0x128/0x190
[ 217.790537][ T5378] ? lockdep_softirqs_off+0x430/0x430
[ 217.796032][ T5378] ? kobject_add+0x230/0x230
[ 217.800755][ T5378] ? __init_swait_queue_head+0xa5/0x150
[ 217.806599][ T5378] gfs2_sys_fs_add+0x24f/0x4b0
[ 217.811610][ T5378] ? gfs2_recover_set+0x240/0x240
[ 217.816813][ T5378] ? snprintf+0xe5/0x140
[ 217.821147][ T5378] ? __free_pages+0x95/0x1a0
[ 217.826142][ T5378] ? vscnprintf+0x80/0x80
[ 217.830661][ T5378] gfs2_fill_super+0x120f/0x1f00
[ 217.835886][ T5378] ? gfs2_reconfigure+0xd30/0xd30
[ 217.841242][ T5378] ? sb_set_blocksize+0xa5/0xe0
[ 217.846107][ T5378] get_tree_bdev+0x3f1/0x610
[ 217.850703][ T5378] ? gfs2_reconfigure+0xd30/0xd30
[ 217.855921][ T5378] gfs2_get_tree+0x4d/0x1e0
[ 217.860526][ T5378] vfs_get_tree+0x88/0x270
[ 217.864949][ T5378] do_new_mount+0x24a/0xa40
[ 217.869574][ T5378] __se_sys_mount+0x2e3/0x3d0
[ 217.874656][ T5378] ? __x64_sys_mount+0xc0/0xc0
[ 217.879608][ T5378] ? lockdep_hardirqs_on+0x94/0x140
[ 217.885094][ T5378] ? __x64_sys_mount+0x1c/0xc0
[ 217.890122][ T5378] do_syscall_64+0x4c/0xa0
[ 217.894704][ T5378] ? clear_bhb_loop+0x30/0x80
[ 217.899412][ T5378] ? clear_bhb_loop+0x30/0x80
[ 217.904257][ T5378] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 217.910166][ T5378] RIP: 0033:0x7f6b4115160a
[ 217.914587][ T5378] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 217.935004][ T5378] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 217.943532][ T5378] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 217.951598][ T5378] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 217.959567][ T5378] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 217.967814][ T5378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 217.975866][ T5378] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 217.983850][ T5378]
[ 217.988710][ T5378] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.002455][ T5378] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 218.341607][ T5380] loop1: detected capacity change from 0 to 32768
[ 218.392863][ T5380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 218.400464][ T5380] CPU: 0 PID: 5380 Comm: syz.1.146 Not tainted syzkaller #0
[ 218.408048][ T5380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 218.418322][ T5380] Call Trace:
[ 218.421730][ T5380]
[ 218.424802][ T5380] dump_stack_lvl+0x188/0x250
[ 218.429609][ T5380] ? show_regs_print_info+0x20/0x20
[ 218.434927][ T5380] ? load_image+0x400/0x400
[ 218.439577][ T5380] sysfs_create_dir_ns+0x26a/0x290
[ 218.444742][ T5380] ? sysfs_warn_dup+0xa0/0xa0
[ 218.449541][ T5380] ? do_raw_spin_unlock+0x11d/0x230
[ 218.455050][ T5380] kobject_add_internal+0x6e0/0xd90
[ 218.460291][ T5380] kobject_init_and_add+0x128/0x190
[ 218.465660][ T5380] ? lockdep_softirqs_off+0x430/0x430
[ 218.471069][ T5380] ? kobject_add+0x230/0x230
[ 218.475892][ T5380] ? __init_swait_queue_head+0xa5/0x150
[ 218.481478][ T5380] gfs2_sys_fs_add+0x24f/0x4b0
[ 218.486448][ T5380] ? gfs2_recover_set+0x240/0x240
[ 218.491678][ T5380] ? snprintf+0xe5/0x140
[ 218.495918][ T5380] ? __free_pages+0x95/0x1a0
[ 218.500628][ T5380] ? vscnprintf+0x80/0x80
[ 218.505234][ T5380] gfs2_fill_super+0x120f/0x1f00
[ 218.510280][ T5380] ? gfs2_reconfigure+0xd30/0xd30
[ 218.515581][ T5380] ? sb_set_blocksize+0xa5/0xe0
[ 218.520544][ T5380] get_tree_bdev+0x3f1/0x610
[ 218.525286][ T5380] ? gfs2_reconfigure+0xd30/0xd30
[ 218.530419][ T5380] gfs2_get_tree+0x4d/0x1e0
[ 218.534928][ T5380] vfs_get_tree+0x88/0x270
[ 218.539344][ T5380] do_new_mount+0x24a/0xa40
[ 218.544026][ T5380] __se_sys_mount+0x2e3/0x3d0
[ 218.548883][ T5380] ? __x64_sys_mount+0xc0/0xc0
[ 218.553671][ T5380] ? lockdep_hardirqs_on+0x94/0x140
[ 218.559706][ T5380] ? __x64_sys_mount+0x1c/0xc0
[ 218.564512][ T5380] do_syscall_64+0x4c/0xa0
[ 218.569122][ T5380] ? clear_bhb_loop+0x30/0x80
[ 218.574276][ T5380] ? clear_bhb_loop+0x30/0x80
[ 218.579092][ T5380] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 218.585216][ T5380] RIP: 0033:0x7f6b4115160a
[ 218.589632][ T5380] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 218.609436][ T5380] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 218.618139][ T5380] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 218.626123][ T5380] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 218.634439][ T5380] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 218.642708][ T5380] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 218.650702][ T5380] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 218.658701][ T5380]
[ 218.663540][ T5380] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 218.676806][ T5380] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 219.020459][ T5382] loop1: detected capacity change from 0 to 32768
[ 219.038889][ T5382] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 219.046406][ T5382] CPU: 0 PID: 5382 Comm: syz.1.147 Not tainted syzkaller #0
[ 219.054079][ T5382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 219.064299][ T5382] Call Trace:
[ 219.067611][ T5382]
[ 219.070661][ T5382] dump_stack_lvl+0x188/0x250
[ 219.075579][ T5382] ? show_regs_print_info+0x20/0x20
[ 219.080911][ T5382] ? load_image+0x400/0x400
[ 219.085474][ T5382] sysfs_create_dir_ns+0x26a/0x290
[ 219.091166][ T5382] ? sysfs_warn_dup+0xa0/0xa0
[ 219.095976][ T5382] ? do_raw_spin_unlock+0x11d/0x230
[ 219.101363][ T5382] kobject_add_internal+0x6e0/0xd90
[ 219.106602][ T5382] kobject_init_and_add+0x128/0x190
[ 219.111832][ T5382] ? lockdep_softirqs_off+0x430/0x430
[ 219.117330][ T5382] ? kobject_add+0x230/0x230
[ 219.122090][ T5382] ? __init_swait_queue_head+0xa5/0x150
[ 219.128042][ T5382] gfs2_sys_fs_add+0x24f/0x4b0
[ 219.132931][ T5382] ? gfs2_recover_set+0x240/0x240
[ 219.138008][ T5382] ? snprintf+0xe5/0x140
[ 219.142243][ T5382] ? __free_pages+0x95/0x1a0
[ 219.146931][ T5382] ? vscnprintf+0x80/0x80
[ 219.151387][ T5382] gfs2_fill_super+0x120f/0x1f00
[ 219.156440][ T5382] ? gfs2_reconfigure+0xd30/0xd30
[ 219.161575][ T5382] ? sb_set_blocksize+0xa5/0xe0
[ 219.166602][ T5382] get_tree_bdev+0x3f1/0x610
[ 219.171292][ T5382] ? gfs2_reconfigure+0xd30/0xd30
[ 219.176541][ T5382] gfs2_get_tree+0x4d/0x1e0
[ 219.181370][ T5382] vfs_get_tree+0x88/0x270
[ 219.186008][ T5382] do_new_mount+0x24a/0xa40
[ 219.190615][ T5382] __se_sys_mount+0x2e3/0x3d0
[ 219.195377][ T5382] ? __x64_sys_mount+0xc0/0xc0
[ 219.200139][ T5382] ? lockdep_hardirqs_on+0x94/0x140
[ 219.205528][ T5382] ? __x64_sys_mount+0x1c/0xc0
[ 219.210400][ T5382] do_syscall_64+0x4c/0xa0
[ 219.214990][ T5382] ? clear_bhb_loop+0x30/0x80
[ 219.220468][ T5382] ? clear_bhb_loop+0x30/0x80
[ 219.225381][ T5382] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.231571][ T5382] RIP: 0033:0x7f6b4115160a
[ 219.236000][ T5382] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 219.255872][ T5382] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.264406][ T5382] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 219.272491][ T5382] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 219.280555][ T5382] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 219.288617][ T5382] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 219.296770][ T5382] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 219.304771][ T5382]
[ 219.312837][ T5382] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 219.326862][ T5382] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 219.673908][ T5384] loop1: detected capacity change from 0 to 32768
[ 219.770764][ T5384] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 219.779146][ T5384] CPU: 1 PID: 5384 Comm: syz.1.148 Not tainted syzkaller #0
[ 219.786558][ T5384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 219.796883][ T5384] Call Trace:
[ 219.800192][ T5384]
[ 219.803252][ T5384] dump_stack_lvl+0x188/0x250
[ 219.808066][ T5384] ? show_regs_print_info+0x20/0x20
[ 219.813826][ T5384] ? load_image+0x400/0x400
[ 219.818473][ T5384] sysfs_create_dir_ns+0x26a/0x290
[ 219.823724][ T5384] ? sysfs_warn_dup+0xa0/0xa0
[ 219.828524][ T5384] ? do_raw_spin_unlock+0x11d/0x230
[ 219.833998][ T5384] kobject_add_internal+0x6e0/0xd90
[ 219.839232][ T5384] kobject_init_and_add+0x128/0x190
[ 219.844663][ T5384] ? lockdep_softirqs_off+0x430/0x430
[ 219.850145][ T5384] ? kobject_add+0x230/0x230
[ 219.854784][ T5384] ? __init_swait_queue_head+0xa5/0x150
[ 219.860342][ T5384] gfs2_sys_fs_add+0x24f/0x4b0
[ 219.865103][ T5384] ? gfs2_recover_set+0x240/0x240
[ 219.870140][ T5384] ? snprintf+0xe5/0x140
[ 219.874425][ T5384] ? __free_pages+0x95/0x1a0
[ 219.879012][ T5384] ? vscnprintf+0x80/0x80
[ 219.883403][ T5384] gfs2_fill_super+0x120f/0x1f00
[ 219.888344][ T5384] ? gfs2_reconfigure+0xd30/0xd30
[ 219.893470][ T5384] ? sb_set_blocksize+0xa5/0xe0
[ 219.898424][ T5384] get_tree_bdev+0x3f1/0x610
[ 219.903029][ T5384] ? gfs2_reconfigure+0xd30/0xd30
[ 219.908183][ T5384] gfs2_get_tree+0x4d/0x1e0
[ 219.912705][ T5384] vfs_get_tree+0x88/0x270
[ 219.917115][ T5384] do_new_mount+0x24a/0xa40
[ 219.921704][ T5384] __se_sys_mount+0x2e3/0x3d0
[ 219.926375][ T5384] ? __x64_sys_mount+0xc0/0xc0
[ 219.931139][ T5384] ? lockdep_hardirqs_on+0x94/0x140
[ 219.936477][ T5384] ? __x64_sys_mount+0x1c/0xc0
[ 219.941442][ T5384] do_syscall_64+0x4c/0xa0
[ 219.945937][ T5384] ? clear_bhb_loop+0x30/0x80
[ 219.950600][ T5384] ? clear_bhb_loop+0x30/0x80
[ 219.955446][ T5384] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 219.961416][ T5384] RIP: 0033:0x7f6b4115160a
[ 219.965919][ T5384] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 219.986145][ T5384] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 219.994760][ T5384] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 220.002744][ T5384] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 220.010923][ T5384] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 220.018896][ T5384] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.027125][ T5384] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.035194][ T5384]
[ 220.039492][ T5384] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.053013][ T5384] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 220.394911][ T5386] loop1: detected capacity change from 0 to 32768
[ 220.468378][ T5386] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 220.476055][ T5386] CPU: 0 PID: 5386 Comm: syz.1.149 Not tainted syzkaller #0
[ 220.483542][ T5386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 220.493995][ T5386] Call Trace:
[ 220.497524][ T5386]
[ 220.500489][ T5386] dump_stack_lvl+0x188/0x250
[ 220.505215][ T5386] ? show_regs_print_info+0x20/0x20
[ 220.510463][ T5386] ? load_image+0x400/0x400
[ 220.515108][ T5386] sysfs_create_dir_ns+0x26a/0x290
[ 220.520363][ T5386] ? sysfs_warn_dup+0xa0/0xa0
[ 220.525210][ T5386] ? do_raw_spin_unlock+0x11d/0x230
[ 220.530454][ T5386] kobject_add_internal+0x6e0/0xd90
[ 220.535925][ T5386] kobject_init_and_add+0x128/0x190
[ 220.541290][ T5386] ? lockdep_softirqs_off+0x430/0x430
[ 220.546832][ T5386] ? kobject_add+0x230/0x230
[ 220.551604][ T5386] ? __init_swait_queue_head+0xa5/0x150
[ 220.557500][ T5386] gfs2_sys_fs_add+0x24f/0x4b0
[ 220.562432][ T5386] ? gfs2_recover_set+0x240/0x240
[ 220.567446][ T5386] ? snprintf+0xe5/0x140
[ 220.571679][ T5386] ? __free_pages+0x95/0x1a0
[ 220.576263][ T5386] ? vscnprintf+0x80/0x80
[ 220.580834][ T5386] gfs2_fill_super+0x120f/0x1f00
[ 220.585800][ T5386] ? gfs2_reconfigure+0xd30/0xd30
[ 220.591101][ T5386] ? sb_set_blocksize+0xa5/0xe0
[ 220.596128][ T5386] get_tree_bdev+0x3f1/0x610
[ 220.600875][ T5386] ? gfs2_reconfigure+0xd30/0xd30
[ 220.605910][ T5386] gfs2_get_tree+0x4d/0x1e0
[ 220.610586][ T5386] vfs_get_tree+0x88/0x270
[ 220.615196][ T5386] do_new_mount+0x24a/0xa40
[ 220.619704][ T5386] __se_sys_mount+0x2e3/0x3d0
[ 220.624565][ T5386] ? __x64_sys_mount+0xc0/0xc0
[ 220.629525][ T5386] ? lockdep_hardirqs_on+0x94/0x140
[ 220.634923][ T5386] ? __x64_sys_mount+0x1c/0xc0
[ 220.639680][ T5386] do_syscall_64+0x4c/0xa0
[ 220.644100][ T5386] ? clear_bhb_loop+0x30/0x80
[ 220.648968][ T5386] ? clear_bhb_loop+0x30/0x80
[ 220.653758][ T5386] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 220.659653][ T5386] RIP: 0033:0x7f6b4115160a
[ 220.664284][ T5386] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 220.684346][ T5386] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 220.692868][ T5386] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 220.700927][ T5386] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 220.709006][ T5386] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 220.717188][ T5386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 220.725413][ T5386] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 220.733511][ T5386]
[ 220.738199][ T5386] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 220.751987][ T5386] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.102889][ T5388] loop1: detected capacity change from 0 to 32768
[ 221.165503][ T5388] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.174752][ T5388] CPU: 0 PID: 5388 Comm: syz.1.150 Not tainted syzkaller #0
[ 221.182440][ T5388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 221.193070][ T5388] Call Trace:
[ 221.196465][ T5388]
[ 221.199429][ T5388] dump_stack_lvl+0x188/0x250
[ 221.204607][ T5388] ? show_regs_print_info+0x20/0x20
[ 221.210030][ T5388] ? load_image+0x400/0x400
[ 221.214775][ T5388] sysfs_create_dir_ns+0x26a/0x290
[ 221.220234][ T5388] ? sysfs_warn_dup+0xa0/0xa0
[ 221.225039][ T5388] ? do_raw_spin_unlock+0x11d/0x230
[ 221.230293][ T5388] kobject_add_internal+0x6e0/0xd90
[ 221.235534][ T5388] kobject_init_and_add+0x128/0x190
[ 221.240848][ T5388] ? lockdep_softirqs_off+0x430/0x430
[ 221.246558][ T5388] ? kobject_add+0x230/0x230
[ 221.251282][ T5388] ? __init_swait_queue_head+0xa5/0x150
[ 221.256862][ T5388] gfs2_sys_fs_add+0x24f/0x4b0
[ 221.261797][ T5388] ? gfs2_recover_set+0x240/0x240
[ 221.267311][ T5388] ? snprintf+0xe5/0x140
[ 221.271590][ T5388] ? __free_pages+0x95/0x1a0
[ 221.276295][ T5388] ? vscnprintf+0x80/0x80
[ 221.280817][ T5388] gfs2_fill_super+0x120f/0x1f00
[ 221.285838][ T5388] ? gfs2_reconfigure+0xd30/0xd30
[ 221.291010][ T5388] ? sb_set_blocksize+0xa5/0xe0
[ 221.295883][ T5388] get_tree_bdev+0x3f1/0x610
[ 221.300643][ T5388] ? gfs2_reconfigure+0xd30/0xd30
[ 221.305662][ T5388] gfs2_get_tree+0x4d/0x1e0
[ 221.310158][ T5388] vfs_get_tree+0x88/0x270
[ 221.314575][ T5388] do_new_mount+0x24a/0xa40
[ 221.319164][ T5388] __se_sys_mount+0x2e3/0x3d0
[ 221.323852][ T5388] ? __x64_sys_mount+0xc0/0xc0
[ 221.328610][ T5388] ? lockdep_hardirqs_on+0x94/0x140
[ 221.333814][ T5388] ? __x64_sys_mount+0x1c/0xc0
[ 221.338657][ T5388] do_syscall_64+0x4c/0xa0
[ 221.343147][ T5388] ? clear_bhb_loop+0x30/0x80
[ 221.347819][ T5388] ? clear_bhb_loop+0x30/0x80
[ 221.352606][ T5388] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 221.358510][ T5388] RIP: 0033:0x7f6b4115160a
[ 221.363180][ T5388] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 221.383212][ T5388] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 221.391624][ T5388] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 221.399878][ T5388] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 221.407935][ T5388] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 221.415942][ T5388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 221.424230][ T5388] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 221.432517][ T5388]
[ 221.437762][ T5388] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 221.451458][ T5388] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 221.788881][ T5390] loop1: detected capacity change from 0 to 32768
[ 221.858925][ T5390] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 221.868039][ T5390] CPU: 0 PID: 5390 Comm: syz.1.151 Not tainted syzkaller #0
[ 221.875509][ T5390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 221.885921][ T5390] Call Trace:
[ 221.889408][ T5390]
[ 221.892468][ T5390] dump_stack_lvl+0x188/0x250
[ 221.897372][ T5390] ? show_regs_print_info+0x20/0x20
[ 221.902697][ T5390] ? load_image+0x400/0x400
[ 221.907259][ T5390] sysfs_create_dir_ns+0x26a/0x290
[ 221.912611][ T5390] ? sysfs_warn_dup+0xa0/0xa0
[ 221.917522][ T5390] ? do_raw_spin_unlock+0x11d/0x230
[ 221.922753][ T5390] kobject_add_internal+0x6e0/0xd90
[ 221.928091][ T5390] kobject_init_and_add+0x128/0x190
[ 221.933589][ T5390] ? lockdep_softirqs_off+0x430/0x430
[ 221.939082][ T5390] ? kobject_add+0x230/0x230
[ 221.943869][ T5390] ? __init_swait_queue_head+0xa5/0x150
[ 221.949440][ T5390] gfs2_sys_fs_add+0x24f/0x4b0
[ 221.954382][ T5390] ? gfs2_recover_set+0x240/0x240
[ 221.959491][ T5390] ? snprintf+0xe5/0x140
[ 221.963730][ T5390] ? __free_pages+0x95/0x1a0
[ 221.968310][ T5390] ? vscnprintf+0x80/0x80
[ 221.972639][ T5390] gfs2_fill_super+0x120f/0x1f00
[ 221.977577][ T5390] ? gfs2_reconfigure+0xd30/0xd30
[ 221.982606][ T5390] ? sb_set_blocksize+0xa5/0xe0
[ 221.987446][ T5390] get_tree_bdev+0x3f1/0x610
[ 221.992029][ T5390] ? gfs2_reconfigure+0xd30/0xd30
[ 221.997053][ T5390] gfs2_get_tree+0x4d/0x1e0
[ 222.001550][ T5390] vfs_get_tree+0x88/0x270
[ 222.005969][ T5390] do_new_mount+0x24a/0xa40
[ 222.010487][ T5390] __se_sys_mount+0x2e3/0x3d0
[ 222.015264][ T5390] ? __x64_sys_mount+0xc0/0xc0
[ 222.020032][ T5390] ? lockdep_hardirqs_on+0x94/0x140
[ 222.025321][ T5390] ? __x64_sys_mount+0x1c/0xc0
[ 222.030542][ T5390] do_syscall_64+0x4c/0xa0
[ 222.035051][ T5390] ? clear_bhb_loop+0x30/0x80
[ 222.039810][ T5390] ? clear_bhb_loop+0x30/0x80
[ 222.044655][ T5390] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.050627][ T5390] RIP: 0033:0x7f6b4115160a
[ 222.055216][ T5390] 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
[ 222.075077][ T5390] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.083844][ T5390] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 222.092264][ T5390] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 222.100432][ T5390] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 222.108590][ T5390] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.116727][ T5390] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.124910][ T5390]
[ 222.130208][ T5390] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.144480][ T5390] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 222.499647][ T5392] loop1: detected capacity change from 0 to 32768
[ 222.559349][ T5392] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 222.570436][ T5392] CPU: 1 PID: 5392 Comm: syz.1.152 Not tainted syzkaller #0
[ 222.577771][ T5392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 222.587954][ T5392] Call Trace:
[ 222.591547][ T5392]
[ 222.594599][ T5392] dump_stack_lvl+0x188/0x250
[ 222.599310][ T5392] ? show_regs_print_info+0x20/0x20
[ 222.604626][ T5392] ? load_image+0x400/0x400
[ 222.609187][ T5392] sysfs_create_dir_ns+0x26a/0x290
[ 222.614431][ T5392] ? sysfs_warn_dup+0xa0/0xa0
[ 222.619399][ T5392] ? do_raw_spin_unlock+0x11d/0x230
[ 222.624636][ T5392] kobject_add_internal+0x6e0/0xd90
[ 222.629871][ T5392] kobject_init_and_add+0x128/0x190
[ 222.635100][ T5392] ? lockdep_softirqs_off+0x430/0x430
[ 222.640693][ T5392] ? kobject_add+0x230/0x230
[ 222.645489][ T5392] ? __init_swait_queue_head+0xa5/0x150
[ 222.651067][ T5392] gfs2_sys_fs_add+0x24f/0x4b0
[ 222.656187][ T5392] ? gfs2_recover_set+0x240/0x240
[ 222.661243][ T5392] ? snprintf+0xe5/0x140
[ 222.665488][ T5392] ? __free_pages+0x95/0x1a0
[ 222.670087][ T5392] ? vscnprintf+0x80/0x80
[ 222.674506][ T5392] gfs2_fill_super+0x120f/0x1f00
[ 222.679560][ T5392] ? gfs2_reconfigure+0xd30/0xd30
[ 222.684589][ T5392] ? sb_set_blocksize+0xa5/0xe0
[ 222.689439][ T5392] get_tree_bdev+0x3f1/0x610
[ 222.694130][ T5392] ? gfs2_reconfigure+0xd30/0xd30
[ 222.699239][ T5392] gfs2_get_tree+0x4d/0x1e0
[ 222.703740][ T5392] vfs_get_tree+0x88/0x270
[ 222.708342][ T5392] do_new_mount+0x24a/0xa40
[ 222.713131][ T5392] __se_sys_mount+0x2e3/0x3d0
[ 222.717929][ T5392] ? __x64_sys_mount+0xc0/0xc0
[ 222.722861][ T5392] ? lockdep_hardirqs_on+0x94/0x140
[ 222.728370][ T5392] ? __x64_sys_mount+0x1c/0xc0
[ 222.733177][ T5392] do_syscall_64+0x4c/0xa0
[ 222.737805][ T5392] ? clear_bhb_loop+0x30/0x80
[ 222.742571][ T5392] ? clear_bhb_loop+0x30/0x80
[ 222.747649][ T5392] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 222.753664][ T5392] RIP: 0033:0x7f6b4115160a
[ 222.758098][ T5392] 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
[ 222.777980][ T5392] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 222.786794][ T5392] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 222.794972][ T5392] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 222.803112][ T5392] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 222.811180][ T5392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 222.819360][ T5392] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 222.827439][ T5392]
[ 222.831746][ T5392] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 222.845135][ T5392] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:15:59 executed programs: 138
[ 223.199495][ T5394] loop1: detected capacity change from 0 to 32768
[ 223.219317][ T5394] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.227128][ T5394] CPU: 1 PID: 5394 Comm: syz.1.153 Not tainted syzkaller #0
[ 223.234679][ T5394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 223.244853][ T5394] Call Trace:
[ 223.248264][ T5394]
[ 223.251247][ T5394] dump_stack_lvl+0x188/0x250
[ 223.256056][ T5394] ? show_regs_print_info+0x20/0x20
[ 223.261290][ T5394] ? load_image+0x400/0x400
[ 223.265810][ T5394] sysfs_create_dir_ns+0x26a/0x290
[ 223.271028][ T5394] ? sysfs_warn_dup+0xa0/0xa0
[ 223.275865][ T5394] ? do_raw_spin_unlock+0x11d/0x230
[ 223.281259][ T5394] kobject_add_internal+0x6e0/0xd90
[ 223.286646][ T5394] kobject_init_and_add+0x128/0x190
[ 223.292039][ T5394] ? lockdep_softirqs_off+0x430/0x430
[ 223.297606][ T5394] ? kobject_add+0x230/0x230
[ 223.302296][ T5394] ? __init_swait_queue_head+0xa5/0x150
[ 223.307920][ T5394] gfs2_sys_fs_add+0x24f/0x4b0
[ 223.312765][ T5394] ? gfs2_recover_set+0x240/0x240
[ 223.317892][ T5394] ? snprintf+0xe5/0x140
[ 223.322218][ T5394] ? __free_pages+0x95/0x1a0
[ 223.326806][ T5394] ? vscnprintf+0x80/0x80
[ 223.331138][ T5394] gfs2_fill_super+0x120f/0x1f00
[ 223.336167][ T5394] ? gfs2_reconfigure+0xd30/0xd30
[ 223.341297][ T5394] ? sb_set_blocksize+0xa5/0xe0
[ 223.346500][ T5394] get_tree_bdev+0x3f1/0x610
[ 223.351086][ T5394] ? gfs2_reconfigure+0xd30/0xd30
[ 223.356111][ T5394] gfs2_get_tree+0x4d/0x1e0
[ 223.360633][ T5394] vfs_get_tree+0x88/0x270
[ 223.365055][ T5394] do_new_mount+0x24a/0xa40
[ 223.369578][ T5394] __se_sys_mount+0x2e3/0x3d0
[ 223.374342][ T5394] ? __x64_sys_mount+0xc0/0xc0
[ 223.379200][ T5394] ? lockdep_hardirqs_on+0x94/0x140
[ 223.384401][ T5394] ? __x64_sys_mount+0x1c/0xc0
[ 223.389371][ T5394] do_syscall_64+0x4c/0xa0
[ 223.393871][ T5394] ? clear_bhb_loop+0x30/0x80
[ 223.398710][ T5394] ? clear_bhb_loop+0x30/0x80
[ 223.403720][ T5394] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 223.409630][ T5394] RIP: 0033:0x7f6b4115160a
[ 223.414141][ T5394] 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
[ 223.434871][ T5394] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 223.443450][ T5394] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 223.451602][ T5394] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 223.459935][ T5394] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 223.467998][ T5394] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 223.475963][ T5394] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 223.484577][ T5394]
[ 223.488962][ T5394] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 223.502662][ T5394] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 223.848319][ T5396] loop1: detected capacity change from 0 to 32768
[ 223.900066][ T5396] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 223.912200][ T5396] CPU: 1 PID: 5396 Comm: syz.1.154 Not tainted syzkaller #0
[ 223.919715][ T5396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 223.930073][ T5396] Call Trace:
[ 223.933395][ T5396]
[ 223.936467][ T5396] dump_stack_lvl+0x188/0x250
[ 223.941253][ T5396] ? show_regs_print_info+0x20/0x20
[ 223.946480][ T5396] ? load_image+0x400/0x400
[ 223.951172][ T5396] sysfs_create_dir_ns+0x26a/0x290
[ 223.956494][ T5396] ? sysfs_warn_dup+0xa0/0xa0
[ 223.961309][ T5396] ? do_raw_spin_unlock+0x11d/0x230
[ 223.966656][ T5396] kobject_add_internal+0x6e0/0xd90
[ 223.972159][ T5396] kobject_init_and_add+0x128/0x190
[ 223.977655][ T5396] ? lockdep_softirqs_off+0x430/0x430
[ 223.983233][ T5396] ? kobject_add+0x230/0x230
[ 223.987871][ T5396] ? __init_swait_queue_head+0xa5/0x150
[ 223.993551][ T5396] gfs2_sys_fs_add+0x24f/0x4b0
[ 223.998350][ T5396] ? gfs2_recover_set+0x240/0x240
[ 224.003398][ T5396] ? snprintf+0xe5/0x140
[ 224.007762][ T5396] ? __free_pages+0x95/0x1a0
[ 224.012410][ T5396] ? vscnprintf+0x80/0x80
[ 224.016741][ T5396] gfs2_fill_super+0x120f/0x1f00
[ 224.021682][ T5396] ? gfs2_reconfigure+0xd30/0xd30
[ 224.026838][ T5396] ? sb_set_blocksize+0xa5/0xe0
[ 224.032031][ T5396] get_tree_bdev+0x3f1/0x610
[ 224.036659][ T5396] ? gfs2_reconfigure+0xd30/0xd30
[ 224.041687][ T5396] gfs2_get_tree+0x4d/0x1e0
[ 224.046187][ T5396] vfs_get_tree+0x88/0x270
[ 224.050694][ T5396] do_new_mount+0x24a/0xa40
[ 224.055193][ T5396] __se_sys_mount+0x2e3/0x3d0
[ 224.060067][ T5396] ? __x64_sys_mount+0xc0/0xc0
[ 224.064859][ T5396] ? lockdep_hardirqs_on+0x94/0x140
[ 224.070065][ T5396] ? __x64_sys_mount+0x1c/0xc0
[ 224.074929][ T5396] do_syscall_64+0x4c/0xa0
[ 224.079533][ T5396] ? clear_bhb_loop+0x30/0x80
[ 224.084213][ T5396] ? clear_bhb_loop+0x30/0x80
[ 224.088889][ T5396] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.094972][ T5396] RIP: 0033:0x7f6b4115160a
[ 224.099681][ T5396] 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
[ 224.119638][ T5396] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.128414][ T5396] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 224.136566][ T5396] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 224.144742][ T5396] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 224.153067][ T5396] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.161051][ T5396] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.169466][ T5396]
[ 224.175076][ T5396] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.188981][ T5396] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 224.550609][ T5399] loop1: detected capacity change from 0 to 32768
[ 224.626877][ T5399] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 224.634310][ T5399] CPU: 1 PID: 5399 Comm: syz.1.155 Not tainted syzkaller #0
[ 224.641638][ T5399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 224.651909][ T5399] Call Trace:
[ 224.655223][ T5399]
[ 224.658305][ T5399] dump_stack_lvl+0x188/0x250
[ 224.663115][ T5399] ? show_regs_print_info+0x20/0x20
[ 224.668573][ T5399] ? load_image+0x400/0x400
[ 224.673213][ T5399] sysfs_create_dir_ns+0x26a/0x290
[ 224.678548][ T5399] ? sysfs_warn_dup+0xa0/0xa0
[ 224.683253][ T5399] ? do_raw_spin_unlock+0x11d/0x230
[ 224.688565][ T5399] kobject_add_internal+0x6e0/0xd90
[ 224.694064][ T5399] kobject_init_and_add+0x128/0x190
[ 224.699286][ T5399] ? lockdep_softirqs_off+0x430/0x430
[ 224.704691][ T5399] ? kobject_add+0x230/0x230
[ 224.709317][ T5399] ? __init_swait_queue_head+0xa5/0x150
[ 224.714899][ T5399] gfs2_sys_fs_add+0x24f/0x4b0
[ 224.719779][ T5399] ? gfs2_recover_set+0x240/0x240
[ 224.724928][ T5399] ? snprintf+0xe5/0x140
[ 224.729542][ T5399] ? __free_pages+0x95/0x1a0
[ 224.734323][ T5399] ? vscnprintf+0x80/0x80
[ 224.738999][ T5399] gfs2_fill_super+0x120f/0x1f00
[ 224.744059][ T5399] ? gfs2_reconfigure+0xd30/0xd30
[ 224.749189][ T5399] ? sb_set_blocksize+0xa5/0xe0
[ 224.754043][ T5399] get_tree_bdev+0x3f1/0x610
[ 224.758639][ T5399] ? gfs2_reconfigure+0xd30/0xd30
[ 224.763693][ T5399] gfs2_get_tree+0x4d/0x1e0
[ 224.768409][ T5399] vfs_get_tree+0x88/0x270
[ 224.772876][ T5399] do_new_mount+0x24a/0xa40
[ 224.777674][ T5399] __se_sys_mount+0x2e3/0x3d0
[ 224.782791][ T5399] ? __x64_sys_mount+0xc0/0xc0
[ 224.787663][ T5399] ? lockdep_hardirqs_on+0x94/0x140
[ 224.793036][ T5399] ? __x64_sys_mount+0x1c/0xc0
[ 224.797819][ T5399] do_syscall_64+0x4c/0xa0
[ 224.802256][ T5399] ? clear_bhb_loop+0x30/0x80
[ 224.806942][ T5399] ? clear_bhb_loop+0x30/0x80
[ 224.811812][ T5399] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 224.818221][ T5399] RIP: 0033:0x7f6b4115160a
[ 224.822753][ T5399] 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
[ 224.842640][ T5399] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 224.851156][ T5399] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 224.859274][ T5399] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 224.867327][ T5399] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 224.875392][ T5399] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 224.883651][ T5399] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 224.891807][ T5399]
[ 224.896344][ T5399] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 224.910223][ T5399] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.264638][ T5401] loop1: detected capacity change from 0 to 32768
[ 225.316791][ T5401] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 225.324550][ T5401] CPU: 1 PID: 5401 Comm: syz.1.156 Not tainted syzkaller #0
[ 225.332049][ T5401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 225.342569][ T5401] Call Trace:
[ 225.345880][ T5401]
[ 225.348844][ T5401] dump_stack_lvl+0x188/0x250
[ 225.353577][ T5401] ? show_regs_print_info+0x20/0x20
[ 225.359014][ T5401] ? load_image+0x400/0x400
[ 225.363574][ T5401] sysfs_create_dir_ns+0x26a/0x290
[ 225.368805][ T5401] ? sysfs_warn_dup+0xa0/0xa0
[ 225.373510][ T5401] ? do_raw_spin_unlock+0x11d/0x230
[ 225.378838][ T5401] kobject_add_internal+0x6e0/0xd90
[ 225.384281][ T5401] kobject_init_and_add+0x128/0x190
[ 225.389510][ T5401] ? lockdep_softirqs_off+0x430/0x430
[ 225.394928][ T5401] ? kobject_add+0x230/0x230
[ 225.399648][ T5401] ? __init_swait_queue_head+0xa5/0x150
[ 225.405396][ T5401] gfs2_sys_fs_add+0x24f/0x4b0
[ 225.410294][ T5401] ? gfs2_recover_set+0x240/0x240
[ 225.415437][ T5401] ? snprintf+0xe5/0x140
[ 225.419681][ T5401] ? __free_pages+0x95/0x1a0
[ 225.424273][ T5401] ? vscnprintf+0x80/0x80
[ 225.428617][ T5401] gfs2_fill_super+0x120f/0x1f00
[ 225.433604][ T5401] ? gfs2_reconfigure+0xd30/0xd30
[ 225.438750][ T5401] ? sb_set_blocksize+0xa5/0xe0
[ 225.444000][ T5401] get_tree_bdev+0x3f1/0x610
[ 225.448772][ T5401] ? gfs2_reconfigure+0xd30/0xd30
[ 225.453801][ T5401] gfs2_get_tree+0x4d/0x1e0
[ 225.458414][ T5401] vfs_get_tree+0x88/0x270
[ 225.462863][ T5401] do_new_mount+0x24a/0xa40
[ 225.467378][ T5401] __se_sys_mount+0x2e3/0x3d0
[ 225.472581][ T5401] ? __x64_sys_mount+0xc0/0xc0
[ 225.477352][ T5401] ? lockdep_hardirqs_on+0x94/0x140
[ 225.482574][ T5401] ? __x64_sys_mount+0x1c/0xc0
[ 225.487421][ T5401] do_syscall_64+0x4c/0xa0
[ 225.491917][ T5401] ? clear_bhb_loop+0x30/0x80
[ 225.496593][ T5401] ? clear_bhb_loop+0x30/0x80
[ 225.501365][ T5401] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 225.507346][ T5401] RIP: 0033:0x7f6b4115160a
[ 225.511838][ T5401] 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
[ 225.531739][ T5401] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 225.540589][ T5401] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 225.548655][ T5401] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 225.556626][ T5401] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 225.564800][ T5401] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 225.572951][ T5401] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 225.581111][ T5401]
[ 225.585564][ T5401] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 225.599832][ T5401] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 225.971773][ T5405] loop1: detected capacity change from 0 to 32768
[ 226.027903][ T5405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.036845][ T5405] CPU: 0 PID: 5405 Comm: syz.1.157 Not tainted syzkaller #0
[ 226.044380][ T5405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 226.054912][ T5405] Call Trace:
[ 226.058219][ T5405]
[ 226.061418][ T5405] dump_stack_lvl+0x188/0x250
[ 226.066139][ T5405] ? show_regs_print_info+0x20/0x20
[ 226.071580][ T5405] ? load_image+0x400/0x400
[ 226.076128][ T5405] sysfs_create_dir_ns+0x26a/0x290
[ 226.081376][ T5405] ? sysfs_warn_dup+0xa0/0xa0
[ 226.086279][ T5405] ? do_raw_spin_unlock+0x11d/0x230
[ 226.091517][ T5405] kobject_add_internal+0x6e0/0xd90
[ 226.096761][ T5405] kobject_init_and_add+0x128/0x190
[ 226.102080][ T5405] ? lockdep_softirqs_off+0x430/0x430
[ 226.107583][ T5405] ? kobject_add+0x230/0x230
[ 226.112296][ T5405] ? __init_swait_queue_head+0xa5/0x150
[ 226.117965][ T5405] gfs2_sys_fs_add+0x24f/0x4b0
[ 226.122764][ T5405] ? gfs2_recover_set+0x240/0x240
[ 226.127899][ T5405] ? snprintf+0xe5/0x140
[ 226.132231][ T5405] ? __free_pages+0x95/0x1a0
[ 226.136830][ T5405] ? vscnprintf+0x80/0x80
[ 226.141653][ T5405] gfs2_fill_super+0x120f/0x1f00
[ 226.146804][ T5405] ? gfs2_reconfigure+0xd30/0xd30
[ 226.152038][ T5405] ? sb_set_blocksize+0xa5/0xe0
[ 226.157108][ T5405] get_tree_bdev+0x3f1/0x610
[ 226.161916][ T5405] ? gfs2_reconfigure+0xd30/0xd30
[ 226.166950][ T5405] gfs2_get_tree+0x4d/0x1e0
[ 226.171547][ T5405] vfs_get_tree+0x88/0x270
[ 226.175959][ T5405] do_new_mount+0x24a/0xa40
[ 226.180488][ T5405] __se_sys_mount+0x2e3/0x3d0
[ 226.185672][ T5405] ? __x64_sys_mount+0xc0/0xc0
[ 226.190545][ T5405] ? lockdep_hardirqs_on+0x94/0x140
[ 226.195982][ T5405] ? __x64_sys_mount+0x1c/0xc0
[ 226.200948][ T5405] do_syscall_64+0x4c/0xa0
[ 226.205537][ T5405] ? clear_bhb_loop+0x30/0x80
[ 226.210557][ T5405] ? clear_bhb_loop+0x30/0x80
[ 226.215599][ T5405] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.221496][ T5405] RIP: 0033:0x7f6b4115160a
[ 226.226005][ T5405] 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
[ 226.246081][ T5405] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.254774][ T5405] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 226.262827][ T5405] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 226.270795][ T5405] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 226.278790][ T5405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.286935][ T5405] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 226.295189][ T5405]
[ 226.299783][ T5405] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 226.313139][ T5405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 226.665334][ T5407] loop1: detected capacity change from 0 to 32768
[ 226.736669][ T5407] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 226.744404][ T5407] CPU: 1 PID: 5407 Comm: syz.1.158 Not tainted syzkaller #0
[ 226.751799][ T5407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 226.762144][ T5407] Call Trace:
[ 226.765544][ T5407]
[ 226.768511][ T5407] dump_stack_lvl+0x188/0x250
[ 226.773236][ T5407] ? show_regs_print_info+0x20/0x20
[ 226.778550][ T5407] ? load_image+0x400/0x400
[ 226.783411][ T5407] sysfs_create_dir_ns+0x26a/0x290
[ 226.788747][ T5407] ? sysfs_warn_dup+0xa0/0xa0
[ 226.793601][ T5407] ? do_raw_spin_unlock+0x11d/0x230
[ 226.798837][ T5407] kobject_add_internal+0x6e0/0xd90
[ 226.804190][ T5407] kobject_init_and_add+0x128/0x190
[ 226.809522][ T5407] ? lockdep_softirqs_off+0x430/0x430
[ 226.815023][ T5407] ? kobject_add+0x230/0x230
[ 226.819823][ T5407] ? __init_swait_queue_head+0xa5/0x150
[ 226.825500][ T5407] gfs2_sys_fs_add+0x24f/0x4b0
[ 226.830291][ T5407] ? gfs2_recover_set+0x240/0x240
[ 226.835711][ T5407] ? snprintf+0xe5/0x140
[ 226.840148][ T5407] ? __free_pages+0x95/0x1a0
[ 226.844940][ T5407] ? vscnprintf+0x80/0x80
[ 226.849280][ T5407] gfs2_fill_super+0x120f/0x1f00
[ 226.854371][ T5407] ? gfs2_reconfigure+0xd30/0xd30
[ 226.859606][ T5407] ? sb_set_blocksize+0xa5/0xe0
[ 226.864556][ T5407] get_tree_bdev+0x3f1/0x610
[ 226.869156][ T5407] ? gfs2_reconfigure+0xd30/0xd30
[ 226.874518][ T5407] gfs2_get_tree+0x4d/0x1e0
[ 226.879115][ T5407] vfs_get_tree+0x88/0x270
[ 226.883718][ T5407] do_new_mount+0x24a/0xa40
[ 226.888230][ T5407] __se_sys_mount+0x2e3/0x3d0
[ 226.893269][ T5407] ? __x64_sys_mount+0xc0/0xc0
[ 226.898441][ T5407] ? lockdep_hardirqs_on+0x94/0x140
[ 226.903681][ T5407] ? __x64_sys_mount+0x1c/0xc0
[ 226.908540][ T5407] do_syscall_64+0x4c/0xa0
[ 226.913062][ T5407] ? clear_bhb_loop+0x30/0x80
[ 226.918063][ T5407] ? clear_bhb_loop+0x30/0x80
[ 226.922950][ T5407] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 226.928961][ T5407] RIP: 0033:0x7f6b4115160a
[ 226.933512][ T5407] 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
[ 226.953477][ T5407] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 226.961990][ T5407] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 226.970232][ T5407] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 226.978505][ T5407] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 226.986554][ T5407] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 226.994536][ T5407] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.002528][ T5407]
[ 227.007278][ T5407] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.020675][ T5407] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 227.385426][ T5410] loop1: detected capacity change from 0 to 32768
[ 227.436687][ T5410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 227.445062][ T5410] CPU: 1 PID: 5410 Comm: syz.1.159 Not tainted syzkaller #0
[ 227.452572][ T5410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 227.462866][ T5410] Call Trace:
[ 227.466267][ T5410]
[ 227.469332][ T5410] dump_stack_lvl+0x188/0x250
[ 227.474239][ T5410] ? show_regs_print_info+0x20/0x20
[ 227.479586][ T5410] ? load_image+0x400/0x400
[ 227.484383][ T5410] sysfs_create_dir_ns+0x26a/0x290
[ 227.489904][ T5410] ? sysfs_warn_dup+0xa0/0xa0
[ 227.494707][ T5410] ? do_raw_spin_unlock+0x11d/0x230
[ 227.500154][ T5410] kobject_add_internal+0x6e0/0xd90
[ 227.505574][ T5410] kobject_init_and_add+0x128/0x190
[ 227.510812][ T5410] ? lockdep_softirqs_off+0x430/0x430
[ 227.516244][ T5410] ? kobject_add+0x230/0x230
[ 227.521306][ T5410] ? __init_swait_queue_head+0xa5/0x150
[ 227.527071][ T5410] gfs2_sys_fs_add+0x24f/0x4b0
[ 227.531971][ T5410] ? gfs2_recover_set+0x240/0x240
[ 227.536995][ T5410] ? snprintf+0xe5/0x140
[ 227.541297][ T5410] ? __free_pages+0x95/0x1a0
[ 227.545991][ T5410] ? vscnprintf+0x80/0x80
[ 227.550411][ T5410] gfs2_fill_super+0x120f/0x1f00
[ 227.555370][ T5410] ? gfs2_reconfigure+0xd30/0xd30
[ 227.560491][ T5410] ? sb_set_blocksize+0xa5/0xe0
[ 227.565443][ T5410] get_tree_bdev+0x3f1/0x610
[ 227.570064][ T5410] ? gfs2_reconfigure+0xd30/0xd30
[ 227.575366][ T5410] gfs2_get_tree+0x4d/0x1e0
[ 227.580132][ T5410] vfs_get_tree+0x88/0x270
[ 227.584775][ T5410] do_new_mount+0x24a/0xa40
[ 227.589301][ T5410] __se_sys_mount+0x2e3/0x3d0
[ 227.594062][ T5410] ? __x64_sys_mount+0xc0/0xc0
[ 227.598963][ T5410] ? lockdep_hardirqs_on+0x94/0x140
[ 227.604363][ T5410] ? __x64_sys_mount+0x1c/0xc0
[ 227.609144][ T5410] do_syscall_64+0x4c/0xa0
[ 227.613757][ T5410] ? clear_bhb_loop+0x30/0x80
[ 227.618509][ T5410] ? clear_bhb_loop+0x30/0x80
[ 227.623374][ T5410] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 227.629400][ T5410] RIP: 0033:0x7f6b4115160a
[ 227.633918][ T5410] 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
[ 227.653869][ T5410] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 227.662640][ T5410] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 227.670897][ T5410] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 227.678869][ T5410] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 227.686841][ T5410] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 227.694842][ T5410] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 227.703111][ T5410]
[ 227.707497][ T5410] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 227.721370][ T5410] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 228.105225][ T5414] loop1: detected capacity change from 0 to 32768
[ 228.156251][ T5414] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.166592][ T5414] CPU: 0 PID: 5414 Comm: syz.1.160 Not tainted syzkaller #0
[ 228.174104][ T5414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 228.184726][ T5414] Call Trace:
[ 228.188244][ T5414]
[ 228.191417][ T5414] dump_stack_lvl+0x188/0x250
[ 228.196221][ T5414] ? show_regs_print_info+0x20/0x20
[ 228.201464][ T5414] ? load_image+0x400/0x400
[ 228.206188][ T5414] sysfs_create_dir_ns+0x26a/0x290
[ 228.211424][ T5414] ? sysfs_warn_dup+0xa0/0xa0
[ 228.216358][ T5414] ? do_raw_spin_unlock+0x11d/0x230
[ 228.221683][ T5414] kobject_add_internal+0x6e0/0xd90
[ 228.227006][ T5414] kobject_init_and_add+0x128/0x190
[ 228.232405][ T5414] ? lockdep_softirqs_off+0x430/0x430
[ 228.237903][ T5414] ? kobject_add+0x230/0x230
[ 228.242530][ T5414] ? __init_swait_queue_head+0xa5/0x150
[ 228.248360][ T5414] gfs2_sys_fs_add+0x24f/0x4b0
[ 228.253270][ T5414] ? gfs2_recover_set+0x240/0x240
[ 228.258593][ T5414] ? snprintf+0xe5/0x140
[ 228.263080][ T5414] ? __free_pages+0x95/0x1a0
[ 228.267791][ T5414] ? vscnprintf+0x80/0x80
[ 228.272223][ T5414] gfs2_fill_super+0x120f/0x1f00
[ 228.277197][ T5414] ? gfs2_reconfigure+0xd30/0xd30
[ 228.282645][ T5414] ? sb_set_blocksize+0xa5/0xe0
[ 228.287593][ T5414] get_tree_bdev+0x3f1/0x610
[ 228.292188][ T5414] ? gfs2_reconfigure+0xd30/0xd30
[ 228.297508][ T5414] gfs2_get_tree+0x4d/0x1e0
[ 228.302036][ T5414] vfs_get_tree+0x88/0x270
[ 228.306619][ T5414] do_new_mount+0x24a/0xa40
[ 228.311156][ T5414] __se_sys_mount+0x2e3/0x3d0
[ 228.315849][ T5414] ? __x64_sys_mount+0xc0/0xc0
[ 228.320873][ T5414] ? lockdep_hardirqs_on+0x94/0x140
[ 228.326271][ T5414] ? __x64_sys_mount+0x1c/0xc0
[ 228.331041][ T5414] do_syscall_64+0x4c/0xa0
[ 228.335465][ T5414] ? clear_bhb_loop+0x30/0x80
[ 228.340134][ T5414] ? clear_bhb_loop+0x30/0x80
[ 228.345048][ T5414] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 228.351301][ T5414] RIP: 0033:0x7f6b4115160a
[ 228.355829][ T5414] 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
[ 228.375958][ T5414] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 228.384557][ T5414] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 228.392625][ T5414] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 228.400785][ T5414] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 228.408939][ T5414] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 228.417030][ T5414] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 228.425298][ T5414]
[ 228.430234][ T5414] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 228.443807][ T5414] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:16:05 executed programs: 146
[ 228.811406][ T5416] loop1: detected capacity change from 0 to 32768
[ 228.863807][ T5416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 228.871552][ T5416] CPU: 1 PID: 5416 Comm: syz.1.161 Not tainted syzkaller #0
[ 228.878974][ T5416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 228.889170][ T5416] Call Trace:
[ 228.892600][ T5416]
[ 228.895737][ T5416] dump_stack_lvl+0x188/0x250
[ 228.900699][ T5416] ? show_regs_print_info+0x20/0x20
[ 228.906102][ T5416] ? load_image+0x400/0x400
[ 228.911103][ T5416] sysfs_create_dir_ns+0x26a/0x290
[ 228.916355][ T5416] ? sysfs_warn_dup+0xa0/0xa0
[ 228.921072][ T5416] ? do_raw_spin_unlock+0x11d/0x230
[ 228.926305][ T5416] kobject_add_internal+0x6e0/0xd90
[ 228.931557][ T5416] kobject_init_and_add+0x128/0x190
[ 228.937175][ T5416] ? lockdep_softirqs_off+0x430/0x430
[ 228.942673][ T5416] ? kobject_add+0x230/0x230
[ 228.947473][ T5416] ? __init_swait_queue_head+0xa5/0x150
[ 228.953392][ T5416] gfs2_sys_fs_add+0x24f/0x4b0
[ 228.958257][ T5416] ? gfs2_recover_set+0x240/0x240
[ 228.963470][ T5416] ? snprintf+0xe5/0x140
[ 228.967932][ T5416] ? __free_pages+0x95/0x1a0
[ 228.972800][ T5416] ? vscnprintf+0x80/0x80
[ 228.977254][ T5416] gfs2_fill_super+0x120f/0x1f00
[ 228.982314][ T5416] ? gfs2_reconfigure+0xd30/0xd30
[ 228.987523][ T5416] ? sb_set_blocksize+0xa5/0xe0
[ 228.992368][ T5416] get_tree_bdev+0x3f1/0x610
[ 228.996956][ T5416] ? gfs2_reconfigure+0xd30/0xd30
[ 229.001981][ T5416] gfs2_get_tree+0x4d/0x1e0
[ 229.006621][ T5416] vfs_get_tree+0x88/0x270
[ 229.011222][ T5416] do_new_mount+0x24a/0xa40
[ 229.015757][ T5416] __se_sys_mount+0x2e3/0x3d0
[ 229.020523][ T5416] ? __x64_sys_mount+0xc0/0xc0
[ 229.025301][ T5416] ? lockdep_hardirqs_on+0x94/0x140
[ 229.030514][ T5416] ? __x64_sys_mount+0x1c/0xc0
[ 229.035555][ T5416] do_syscall_64+0x4c/0xa0
[ 229.040183][ T5416] ? clear_bhb_loop+0x30/0x80
[ 229.044870][ T5416] ? clear_bhb_loop+0x30/0x80
[ 229.049547][ T5416] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.055536][ T5416] RIP: 0033:0x7f6b4115160a
[ 229.060033][ T5416] 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
[ 229.079997][ T5416] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.088494][ T5416] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 229.096636][ T5416] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 229.104818][ T5416] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 229.112966][ T5416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.121024][ T5416] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.129014][ T5416]
[ 229.136664][ T5416] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.150604][ T5416] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 229.508884][ T5418] loop1: detected capacity change from 0 to 32768
[ 229.562711][ T5418] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 229.570542][ T5418] CPU: 0 PID: 5418 Comm: syz.1.162 Not tainted syzkaller #0
[ 229.578119][ T5418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 229.588363][ T5418] Call Trace:
[ 229.591675][ T5418]
[ 229.594639][ T5418] dump_stack_lvl+0x188/0x250
[ 229.599460][ T5418] ? show_regs_print_info+0x20/0x20
[ 229.604788][ T5418] ? load_image+0x400/0x400
[ 229.609512][ T5418] sysfs_create_dir_ns+0x26a/0x290
[ 229.614662][ T5418] ? sysfs_warn_dup+0xa0/0xa0
[ 229.619552][ T5418] ? do_raw_spin_unlock+0x11d/0x230
[ 229.624937][ T5418] kobject_add_internal+0x6e0/0xd90
[ 229.630352][ T5418] kobject_init_and_add+0x128/0x190
[ 229.635752][ T5418] ? lockdep_softirqs_off+0x430/0x430
[ 229.641163][ T5418] ? kobject_add+0x230/0x230
[ 229.646313][ T5418] ? __init_swait_queue_head+0xa5/0x150
[ 229.652144][ T5418] gfs2_sys_fs_add+0x24f/0x4b0
[ 229.657024][ T5418] ? gfs2_recover_set+0x240/0x240
[ 229.662306][ T5418] ? snprintf+0xe5/0x140
[ 229.666568][ T5418] ? __free_pages+0x95/0x1a0
[ 229.671426][ T5418] ? vscnprintf+0x80/0x80
[ 229.675841][ T5418] gfs2_fill_super+0x120f/0x1f00
[ 229.681082][ T5418] ? gfs2_reconfigure+0xd30/0xd30
[ 229.686377][ T5418] ? sb_set_blocksize+0xa5/0xe0
[ 229.691402][ T5418] get_tree_bdev+0x3f1/0x610
[ 229.696183][ T5418] ? gfs2_reconfigure+0xd30/0xd30
[ 229.701286][ T5418] gfs2_get_tree+0x4d/0x1e0
[ 229.705785][ T5418] vfs_get_tree+0x88/0x270
[ 229.710200][ T5418] do_new_mount+0x24a/0xa40
[ 229.714787][ T5418] __se_sys_mount+0x2e3/0x3d0
[ 229.719457][ T5418] ? __x64_sys_mount+0xc0/0xc0
[ 229.724219][ T5418] ? lockdep_hardirqs_on+0x94/0x140
[ 229.729432][ T5418] ? __x64_sys_mount+0x1c/0xc0
[ 229.734282][ T5418] do_syscall_64+0x4c/0xa0
[ 229.738799][ T5418] ? clear_bhb_loop+0x30/0x80
[ 229.743561][ T5418] ? clear_bhb_loop+0x30/0x80
[ 229.748343][ T5418] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 229.754241][ T5418] RIP: 0033:0x7f6b4115160a
[ 229.758743][ T5418] 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
[ 229.778456][ T5418] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 229.787214][ T5418] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 229.795319][ T5418] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 229.803865][ T5418] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 229.811948][ T5418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 229.819928][ T5418] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 229.827927][ T5418]
[ 229.832623][ T5418] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 229.846867][ T5418] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.228211][ T5420] loop1: detected capacity change from 0 to 32768
[ 230.238542][ T5420] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.245965][ T5420] CPU: 0 PID: 5420 Comm: syz.1.163 Not tainted syzkaller #0
[ 230.253460][ T5420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 230.263812][ T5420] Call Trace:
[ 230.267294][ T5420]
[ 230.270256][ T5420] dump_stack_lvl+0x188/0x250
[ 230.275250][ T5420] ? show_regs_print_info+0x20/0x20
[ 230.280571][ T5420] ? load_image+0x400/0x400
[ 230.285115][ T5420] sysfs_create_dir_ns+0x26a/0x290
[ 230.290368][ T5420] ? sysfs_warn_dup+0xa0/0xa0
[ 230.295114][ T5420] ? do_raw_spin_unlock+0x11d/0x230
[ 230.300484][ T5420] kobject_add_internal+0x6e0/0xd90
[ 230.305925][ T5420] kobject_init_and_add+0x128/0x190
[ 230.311361][ T5420] ? lockdep_softirqs_off+0x430/0x430
[ 230.316861][ T5420] ? kobject_add+0x230/0x230
[ 230.321642][ T5420] ? __init_swait_queue_head+0xa5/0x150
[ 230.327275][ T5420] gfs2_sys_fs_add+0x24f/0x4b0
[ 230.332141][ T5420] ? gfs2_recover_set+0x240/0x240
[ 230.337191][ T5420] ? snprintf+0xe5/0x140
[ 230.341445][ T5420] ? __free_pages+0x95/0x1a0
[ 230.346120][ T5420] ? vscnprintf+0x80/0x80
[ 230.350446][ T5420] gfs2_fill_super+0x120f/0x1f00
[ 230.355393][ T5420] ? gfs2_reconfigure+0xd30/0xd30
[ 230.360506][ T5420] ? sb_set_blocksize+0xa5/0xe0
[ 230.365449][ T5420] get_tree_bdev+0x3f1/0x610
[ 230.370033][ T5420] ? gfs2_reconfigure+0xd30/0xd30
[ 230.375056][ T5420] gfs2_get_tree+0x4d/0x1e0
[ 230.379736][ T5420] vfs_get_tree+0x88/0x270
[ 230.384283][ T5420] do_new_mount+0x24a/0xa40
[ 230.388822][ T5420] __se_sys_mount+0x2e3/0x3d0
[ 230.393508][ T5420] ? __x64_sys_mount+0xc0/0xc0
[ 230.398369][ T5420] ? lockdep_hardirqs_on+0x94/0x140
[ 230.403708][ T5420] ? __x64_sys_mount+0x1c/0xc0
[ 230.408975][ T5420] do_syscall_64+0x4c/0xa0
[ 230.413676][ T5420] ? clear_bhb_loop+0x30/0x80
[ 230.418350][ T5420] ? clear_bhb_loop+0x30/0x80
[ 230.423027][ T5420] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 230.429007][ T5420] RIP: 0033:0x7f6b4115160a
[ 230.433417][ T5420] 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
[ 230.453727][ T5420] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 230.462322][ T5420] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 230.470467][ T5420] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 230.478699][ T5420] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 230.486760][ T5420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 230.494864][ T5420] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 230.503200][ T5420]
[ 230.507934][ T5420] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 230.521398][ T5420] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 230.859855][ T5422] loop1: detected capacity change from 0 to 32768
[ 230.884326][ T5422] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 230.892034][ T5422] CPU: 0 PID: 5422 Comm: syz.1.164 Not tainted syzkaller #0
[ 230.899451][ T5422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 230.909629][ T5422] Call Trace:
[ 230.912938][ T5422]
[ 230.915976][ T5422] dump_stack_lvl+0x188/0x250
[ 230.920778][ T5422] ? show_regs_print_info+0x20/0x20
[ 230.926009][ T5422] ? load_image+0x400/0x400
[ 230.930667][ T5422] sysfs_create_dir_ns+0x26a/0x290
[ 230.935912][ T5422] ? sysfs_warn_dup+0xa0/0xa0
[ 230.940808][ T5422] ? do_raw_spin_unlock+0x11d/0x230
[ 230.946136][ T5422] kobject_add_internal+0x6e0/0xd90
[ 230.951736][ T5422] kobject_init_and_add+0x128/0x190
[ 230.957150][ T5422] ? lockdep_softirqs_off+0x430/0x430
[ 230.962576][ T5422] ? kobject_add+0x230/0x230
[ 230.967361][ T5422] ? __init_swait_queue_head+0xa5/0x150
[ 230.972948][ T5422] gfs2_sys_fs_add+0x24f/0x4b0
[ 230.977717][ T5422] ? gfs2_recover_set+0x240/0x240
[ 230.982742][ T5422] ? snprintf+0xe5/0x140
[ 230.987063][ T5422] ? __free_pages+0x95/0x1a0
[ 230.991744][ T5422] ? vscnprintf+0x80/0x80
[ 230.996098][ T5422] gfs2_fill_super+0x120f/0x1f00
[ 231.001219][ T5422] ? gfs2_reconfigure+0xd30/0xd30
[ 231.006290][ T5422] ? sb_set_blocksize+0xa5/0xe0
[ 231.011134][ T5422] get_tree_bdev+0x3f1/0x610
[ 231.015816][ T5422] ? gfs2_reconfigure+0xd30/0xd30
[ 231.020858][ T5422] gfs2_get_tree+0x4d/0x1e0
[ 231.025445][ T5422] vfs_get_tree+0x88/0x270
[ 231.029960][ T5422] do_new_mount+0x24a/0xa40
[ 231.034866][ T5422] __se_sys_mount+0x2e3/0x3d0
[ 231.040003][ T5422] ? __x64_sys_mount+0xc0/0xc0
[ 231.044949][ T5422] ? lockdep_hardirqs_on+0x94/0x140
[ 231.050202][ T5422] ? __x64_sys_mount+0x1c/0xc0
[ 231.055098][ T5422] do_syscall_64+0x4c/0xa0
[ 231.059628][ T5422] ? clear_bhb_loop+0x30/0x80
[ 231.064335][ T5422] ? clear_bhb_loop+0x30/0x80
[ 231.069126][ T5422] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.075199][ T5422] RIP: 0033:0x7f6b4115160a
[ 231.079813][ T5422] 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
[ 231.099985][ T5422] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.108502][ T5422] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 231.116567][ T5422] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 231.124816][ T5422] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 231.132793][ T5422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.140854][ T5422] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.149008][ T5422]
[ 231.153896][ T5422] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.167890][ T5422] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 231.514292][ T5424] loop1: detected capacity change from 0 to 32768
[ 231.600583][ T5424] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 231.608243][ T5424] CPU: 1 PID: 5424 Comm: syz.1.165 Not tainted syzkaller #0
[ 231.615646][ T5424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 231.625814][ T5424] Call Trace:
[ 231.629211][ T5424]
[ 231.632168][ T5424] dump_stack_lvl+0x188/0x250
[ 231.636970][ T5424] ? show_regs_print_info+0x20/0x20
[ 231.642201][ T5424] ? load_image+0x400/0x400
[ 231.646753][ T5424] sysfs_create_dir_ns+0x26a/0x290
[ 231.651977][ T5424] ? sysfs_warn_dup+0xa0/0xa0
[ 231.656870][ T5424] ? do_raw_spin_unlock+0x11d/0x230
[ 231.662195][ T5424] kobject_add_internal+0x6e0/0xd90
[ 231.667414][ T5424] kobject_init_and_add+0x128/0x190
[ 231.672755][ T5424] ? lockdep_softirqs_off+0x430/0x430
[ 231.678394][ T5424] ? kobject_add+0x230/0x230
[ 231.682976][ T5424] ? __init_swait_queue_head+0xa5/0x150
[ 231.688898][ T5424] gfs2_sys_fs_add+0x24f/0x4b0
[ 231.693832][ T5424] ? gfs2_recover_set+0x240/0x240
[ 231.698967][ T5424] ? snprintf+0xe5/0x140
[ 231.703237][ T5424] ? __free_pages+0x95/0x1a0
[ 231.707855][ T5424] ? vscnprintf+0x80/0x80
[ 231.712195][ T5424] gfs2_fill_super+0x120f/0x1f00
[ 231.717340][ T5424] ? gfs2_reconfigure+0xd30/0xd30
[ 231.722481][ T5424] ? sb_set_blocksize+0xa5/0xe0
[ 231.727425][ T5424] get_tree_bdev+0x3f1/0x610
[ 231.732197][ T5424] ? gfs2_reconfigure+0xd30/0xd30
[ 231.737305][ T5424] gfs2_get_tree+0x4d/0x1e0
[ 231.741816][ T5424] vfs_get_tree+0x88/0x270
[ 231.746249][ T5424] do_new_mount+0x24a/0xa40
[ 231.751011][ T5424] __se_sys_mount+0x2e3/0x3d0
[ 231.755686][ T5424] ? __x64_sys_mount+0xc0/0xc0
[ 231.760441][ T5424] ? lockdep_hardirqs_on+0x94/0x140
[ 231.765625][ T5424] ? __x64_sys_mount+0x1c/0xc0
[ 231.770488][ T5424] do_syscall_64+0x4c/0xa0
[ 231.774902][ T5424] ? clear_bhb_loop+0x30/0x80
[ 231.779671][ T5424] ? clear_bhb_loop+0x30/0x80
[ 231.784355][ T5424] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 231.790655][ T5424] RIP: 0033:0x7f6b4115160a
[ 231.795170][ T5424] 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
[ 231.815413][ T5424] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 231.824264][ T5424] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 231.832617][ T5424] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 231.840675][ T5424] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 231.848742][ T5424] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 231.856901][ T5424] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 231.864962][ T5424]
[ 231.869314][ T5424] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 231.882883][ T5424] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.226623][ T4674] Bluetooth: hci0: command 0x0406 tx timeout
[ 232.252618][ T5426] loop1: detected capacity change from 0 to 32768
[ 232.302298][ T5426] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 232.316000][ T5426] CPU: 0 PID: 5426 Comm: syz.1.166 Not tainted syzkaller #0
[ 232.323797][ T5426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 232.334159][ T5426] Call Trace:
[ 232.337572][ T5426]
[ 232.340614][ T5426] dump_stack_lvl+0x188/0x250
[ 232.345587][ T5426] ? show_regs_print_info+0x20/0x20
[ 232.350995][ T5426] ? load_image+0x400/0x400
[ 232.355740][ T5426] sysfs_create_dir_ns+0x26a/0x290
[ 232.361074][ T5426] ? sysfs_warn_dup+0xa0/0xa0
[ 232.366036][ T5426] ? do_raw_spin_unlock+0x11d/0x230
[ 232.371474][ T5426] kobject_add_internal+0x6e0/0xd90
[ 232.376801][ T5426] kobject_init_and_add+0x128/0x190
[ 232.382125][ T5426] ? lockdep_softirqs_off+0x430/0x430
[ 232.387539][ T5426] ? kobject_add+0x230/0x230
[ 232.392354][ T5426] ? __init_swait_queue_head+0xa5/0x150
[ 232.398190][ T5426] gfs2_sys_fs_add+0x24f/0x4b0
[ 232.402981][ T5426] ? gfs2_recover_set+0x240/0x240
[ 232.408018][ T5426] ? snprintf+0xe5/0x140
[ 232.412306][ T5426] ? __free_pages+0x95/0x1a0
[ 232.416894][ T5426] ? vscnprintf+0x80/0x80
[ 232.421224][ T5426] gfs2_fill_super+0x120f/0x1f00
[ 232.426262][ T5426] ? gfs2_reconfigure+0xd30/0xd30
[ 232.431296][ T5426] ? sb_set_blocksize+0xa5/0xe0
[ 232.436153][ T5426] get_tree_bdev+0x3f1/0x610
[ 232.440846][ T5426] ? gfs2_reconfigure+0xd30/0xd30
[ 232.446333][ T5426] gfs2_get_tree+0x4d/0x1e0
[ 232.450872][ T5426] vfs_get_tree+0x88/0x270
[ 232.455297][ T5426] do_new_mount+0x24a/0xa40
[ 232.459979][ T5426] __se_sys_mount+0x2e3/0x3d0
[ 232.465012][ T5426] ? __x64_sys_mount+0xc0/0xc0
[ 232.469773][ T5426] ? lockdep_hardirqs_on+0x94/0x140
[ 232.475063][ T5426] ? __x64_sys_mount+0x1c/0xc0
[ 232.479913][ T5426] do_syscall_64+0x4c/0xa0
[ 232.484528][ T5426] ? clear_bhb_loop+0x30/0x80
[ 232.489208][ T5426] ? clear_bhb_loop+0x30/0x80
[ 232.493978][ T5426] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 232.499860][ T5426] RIP: 0033:0x7f6b4115160a
[ 232.504269][ T5426] 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
[ 232.524044][ T5426] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 232.532530][ T5426] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 232.540995][ T5426] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 232.549441][ T5426] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 232.558173][ T5426] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 232.566411][ T5426] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 232.574657][ T5426]
[ 232.579038][ T5426] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 232.592778][ T5426] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 232.977738][ T5428] loop1: detected capacity change from 0 to 32768
[ 233.019951][ T5428] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.027782][ T5428] CPU: 1 PID: 5428 Comm: syz.1.167 Not tainted syzkaller #0
[ 233.035360][ T5428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 233.045772][ T5428] Call Trace:
[ 233.049262][ T5428]
[ 233.052257][ T5428] dump_stack_lvl+0x188/0x250
[ 233.057173][ T5428] ? show_regs_print_info+0x20/0x20
[ 233.062670][ T5428] ? load_image+0x400/0x400
[ 233.067371][ T5428] sysfs_create_dir_ns+0x26a/0x290
[ 233.072712][ T5428] ? sysfs_warn_dup+0xa0/0xa0
[ 233.077441][ T5428] ? do_raw_spin_unlock+0x11d/0x230
[ 233.082739][ T5428] kobject_add_internal+0x6e0/0xd90
[ 233.088206][ T5428] kobject_init_and_add+0x128/0x190
[ 233.093596][ T5428] ? lockdep_softirqs_off+0x430/0x430
[ 233.099050][ T5428] ? kobject_add+0x230/0x230
[ 233.103838][ T5428] ? __init_swait_queue_head+0xa5/0x150
[ 233.109568][ T5428] gfs2_sys_fs_add+0x24f/0x4b0
[ 233.114413][ T5428] ? gfs2_recover_set+0x240/0x240
[ 233.119469][ T5428] ? snprintf+0xe5/0x140
[ 233.124018][ T5428] ? __free_pages+0x95/0x1a0
[ 233.128888][ T5428] ? vscnprintf+0x80/0x80
[ 233.133306][ T5428] gfs2_fill_super+0x120f/0x1f00
[ 233.138341][ T5428] ? gfs2_reconfigure+0xd30/0xd30
[ 233.143664][ T5428] ? sb_set_blocksize+0xa5/0xe0
[ 233.148783][ T5428] get_tree_bdev+0x3f1/0x610
[ 233.153368][ T5428] ? gfs2_reconfigure+0xd30/0xd30
[ 233.158538][ T5428] gfs2_get_tree+0x4d/0x1e0
[ 233.163130][ T5428] vfs_get_tree+0x88/0x270
[ 233.167546][ T5428] do_new_mount+0x24a/0xa40
[ 233.172046][ T5428] __se_sys_mount+0x2e3/0x3d0
[ 233.176713][ T5428] ? __x64_sys_mount+0xc0/0xc0
[ 233.181671][ T5428] ? lockdep_hardirqs_on+0x94/0x140
[ 233.186952][ T5428] ? __x64_sys_mount+0x1c/0xc0
[ 233.191907][ T5428] do_syscall_64+0x4c/0xa0
[ 233.196337][ T5428] ? clear_bhb_loop+0x30/0x80
[ 233.201128][ T5428] ? clear_bhb_loop+0x30/0x80
[ 233.206165][ T5428] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.212247][ T5428] RIP: 0033:0x7f6b4115160a
[ 233.216675][ T5428] 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
[ 233.236590][ T5428] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.245237][ T5428] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 233.253292][ T5428] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 233.261467][ T5428] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 233.269704][ T5428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.277771][ T5428] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 233.285942][ T5428]
[ 233.295117][ T5428] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 233.309179][ T5428] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 233.675859][ T5430] loop1: detected capacity change from 0 to 32768
[ 233.726502][ T5430] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 233.734030][ T5430] CPU: 0 PID: 5430 Comm: syz.1.168 Not tainted syzkaller #0
[ 233.741891][ T5430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 233.752159][ T5430] Call Trace:
[ 233.755558][ T5430]
[ 233.758687][ T5430] dump_stack_lvl+0x188/0x250
[ 233.763499][ T5430] ? show_regs_print_info+0x20/0x20
[ 233.768827][ T5430] ? load_image+0x400/0x400
[ 233.773378][ T5430] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.779581][ T5430] ? sysfs_create_dir_ns+0x23f/0x290
[ 233.784991][ T5430] sysfs_create_dir_ns+0x26a/0x290
[ 233.790321][ T5430] ? sysfs_warn_dup+0xa0/0xa0
[ 233.795218][ T5430] ? do_raw_spin_unlock+0x11d/0x230
[ 233.800458][ T5430] kobject_add_internal+0x6e0/0xd90
[ 233.806002][ T5430] kobject_init_and_add+0x128/0x190
[ 233.811628][ T5430] ? lockdep_softirqs_off+0x430/0x430
[ 233.817012][ T5430] ? kobject_add+0x230/0x230
[ 233.821691][ T5430] ? __init_swait_queue_head+0xa5/0x150
[ 233.827332][ T5430] gfs2_sys_fs_add+0x24f/0x4b0
[ 233.832096][ T5430] ? gfs2_recover_set+0x240/0x240
[ 233.837215][ T5430] ? snprintf+0xe5/0x140
[ 233.841659][ T5430] ? __free_pages+0x95/0x1a0
[ 233.846372][ T5430] ? vscnprintf+0x80/0x80
[ 233.850828][ T5430] gfs2_fill_super+0x120f/0x1f00
[ 233.855787][ T5430] ? gfs2_reconfigure+0xd30/0xd30
[ 233.861084][ T5430] ? sb_set_blocksize+0xa5/0xe0
[ 233.866017][ T5430] get_tree_bdev+0x3f1/0x610
[ 233.870694][ T5430] ? gfs2_reconfigure+0xd30/0xd30
[ 233.875720][ T5430] gfs2_get_tree+0x4d/0x1e0
[ 233.880483][ T5430] vfs_get_tree+0x88/0x270
[ 233.885191][ T5430] do_new_mount+0x24a/0xa40
[ 233.889697][ T5430] __se_sys_mount+0x2e3/0x3d0
[ 233.894374][ T5430] ? __x64_sys_mount+0xc0/0xc0
[ 233.899219][ T5430] ? lockdep_hardirqs_on+0x94/0x140
[ 233.904494][ T5430] ? __x64_sys_mount+0x1c/0xc0
[ 233.909387][ T5430] do_syscall_64+0x4c/0xa0
[ 233.914165][ T5430] ? clear_bhb_loop+0x30/0x80
[ 233.918839][ T5430] ? clear_bhb_loop+0x30/0x80
[ 233.923621][ T5430] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 233.929685][ T5430] RIP: 0033:0x7f6b4115160a
[ 233.934226][ T5430] 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
[ 233.954260][ T5430] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 233.963381][ T5430] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 233.971346][ T5430] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 233.979486][ T5430] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 233.987644][ T5430] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 233.995630][ T5430] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.003705][ T5430]
[ 234.008935][ T5430] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.022765][ T5430] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:16:10 executed programs: 154
[ 234.401229][ T5432] loop1: detected capacity change from 0 to 32768
[ 234.439609][ T5432] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.449386][ T5432] CPU: 1 PID: 5432 Comm: syz.1.169 Not tainted syzkaller #0
[ 234.457537][ T5432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 234.467816][ T5432] Call Trace:
[ 234.471329][ T5432]
[ 234.474397][ T5432] dump_stack_lvl+0x188/0x250
[ 234.479336][ T5432] ? show_regs_print_info+0x20/0x20
[ 234.484881][ T5432] ? load_image+0x400/0x400
[ 234.489533][ T5432] sysfs_create_dir_ns+0x26a/0x290
[ 234.494677][ T5432] ? sysfs_warn_dup+0xa0/0xa0
[ 234.499388][ T5432] ? do_raw_spin_unlock+0x11d/0x230
[ 234.504622][ T5432] kobject_add_internal+0x6e0/0xd90
[ 234.509845][ T5432] kobject_init_and_add+0x128/0x190
[ 234.515429][ T5432] ? lockdep_softirqs_off+0x430/0x430
[ 234.520930][ T5432] ? kobject_add+0x230/0x230
[ 234.525563][ T5432] ? __init_swait_queue_head+0xa5/0x150
[ 234.531847][ T5432] gfs2_sys_fs_add+0x24f/0x4b0
[ 234.537093][ T5432] ? gfs2_recover_set+0x240/0x240
[ 234.542256][ T5432] ? snprintf+0xe5/0x140
[ 234.546727][ T5432] ? __free_pages+0x95/0x1a0
[ 234.551474][ T5432] ? vscnprintf+0x80/0x80
[ 234.556379][ T5432] gfs2_fill_super+0x120f/0x1f00
[ 234.561804][ T5432] ? gfs2_reconfigure+0xd30/0xd30
[ 234.566966][ T5432] ? sb_set_blocksize+0xa5/0xe0
[ 234.572013][ T5432] get_tree_bdev+0x3f1/0x610
[ 234.576605][ T5432] ? gfs2_reconfigure+0xd30/0xd30
[ 234.581961][ T5432] gfs2_get_tree+0x4d/0x1e0
[ 234.586879][ T5432] vfs_get_tree+0x88/0x270
[ 234.591419][ T5432] do_new_mount+0x24a/0xa40
[ 234.596191][ T5432] __se_sys_mount+0x2e3/0x3d0
[ 234.600965][ T5432] ? __x64_sys_mount+0xc0/0xc0
[ 234.605728][ T5432] ? lockdep_hardirqs_on+0x94/0x140
[ 234.611357][ T5432] ? __x64_sys_mount+0x1c/0xc0
[ 234.616321][ T5432] do_syscall_64+0x4c/0xa0
[ 234.620765][ T5432] ? clear_bhb_loop+0x30/0x80
[ 234.625770][ T5432] ? clear_bhb_loop+0x30/0x80
[ 234.630451][ T5432] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 234.636342][ T5432] RIP: 0033:0x7f6b4115160a
[ 234.640751][ T5432] 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
[ 234.660653][ T5432] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.669076][ T5432] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 234.677073][ T5432] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 234.685184][ T5432] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 234.693162][ T5432] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 234.701133][ T5432] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 234.709122][ T5432]
[ 234.714020][ T5432] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.728071][ T5432] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.096228][ T5434] loop1: detected capacity change from 0 to 32768
[ 235.159783][ T5434] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.167756][ T5434] CPU: 1 PID: 5434 Comm: syz.1.170 Not tainted syzkaller #0
[ 235.175283][ T5434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 235.185464][ T5434] Call Trace:
[ 235.188880][ T5434]
[ 235.191997][ T5434] dump_stack_lvl+0x188/0x250
[ 235.196718][ T5434] ? show_regs_print_info+0x20/0x20
[ 235.202122][ T5434] ? load_image+0x400/0x400
[ 235.206685][ T5434] sysfs_create_dir_ns+0x26a/0x290
[ 235.211934][ T5434] ? sysfs_warn_dup+0xa0/0xa0
[ 235.216731][ T5434] ? do_raw_spin_unlock+0x11d/0x230
[ 235.221962][ T5434] kobject_add_internal+0x6e0/0xd90
[ 235.227398][ T5434] kobject_init_and_add+0x128/0x190
[ 235.232856][ T5434] ? lockdep_softirqs_off+0x430/0x430
[ 235.238265][ T5434] ? kobject_add+0x230/0x230
[ 235.243087][ T5434] ? __init_swait_queue_head+0xa5/0x150
[ 235.248672][ T5434] gfs2_sys_fs_add+0x24f/0x4b0
[ 235.253445][ T5434] ? gfs2_recover_set+0x240/0x240
[ 235.258503][ T5434] ? snprintf+0xe5/0x140
[ 235.262828][ T5434] ? __free_pages+0x95/0x1a0
[ 235.267428][ T5434] ? vscnprintf+0x80/0x80
[ 235.271815][ T5434] gfs2_fill_super+0x120f/0x1f00
[ 235.277189][ T5434] ? gfs2_reconfigure+0xd30/0xd30
[ 235.282304][ T5434] ? sb_set_blocksize+0xa5/0xe0
[ 235.287335][ T5434] get_tree_bdev+0x3f1/0x610
[ 235.292202][ T5434] ? gfs2_reconfigure+0xd30/0xd30
[ 235.297317][ T5434] gfs2_get_tree+0x4d/0x1e0
[ 235.302244][ T5434] vfs_get_tree+0x88/0x270
[ 235.307093][ T5434] do_new_mount+0x24a/0xa40
[ 235.311621][ T5434] __se_sys_mount+0x2e3/0x3d0
[ 235.316391][ T5434] ? __x64_sys_mount+0xc0/0xc0
[ 235.321432][ T5434] ? lockdep_hardirqs_on+0x94/0x140
[ 235.326632][ T5434] ? __x64_sys_mount+0x1c/0xc0
[ 235.331676][ T5434] do_syscall_64+0x4c/0xa0
[ 235.336084][ T5434] ? clear_bhb_loop+0x30/0x80
[ 235.340771][ T5434] ? clear_bhb_loop+0x30/0x80
[ 235.345777][ T5434] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 235.351683][ T5434] RIP: 0033:0x7f6b4115160a
[ 235.356102][ T5434] 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
[ 235.376347][ T5434] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.384960][ T5434] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 235.393322][ T5434] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 235.401773][ T5434] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 235.409968][ T5434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 235.417955][ T5434] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 235.425968][ T5434]
[ 235.432794][ T5434] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.446640][ T5434] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.824816][ T5436] loop1: detected capacity change from 0 to 32768
[ 235.870083][ T5436] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.878500][ T5436] CPU: 1 PID: 5436 Comm: syz.1.171 Not tainted syzkaller #0
[ 235.886083][ T5436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 235.896349][ T5436] Call Trace:
[ 235.899655][ T5436]
[ 235.902787][ T5436] dump_stack_lvl+0x188/0x250
[ 235.907594][ T5436] ? show_regs_print_info+0x20/0x20
[ 235.912822][ T5436] ? load_image+0x400/0x400
[ 235.917464][ T5436] sysfs_create_dir_ns+0x26a/0x290
[ 235.922612][ T5436] ? sysfs_warn_dup+0xa0/0xa0
[ 235.927409][ T5436] ? do_raw_spin_unlock+0x11d/0x230
[ 235.932991][ T5436] kobject_add_internal+0x6e0/0xd90
[ 235.938232][ T5436] kobject_init_and_add+0x128/0x190
[ 235.943472][ T5436] ? lockdep_softirqs_off+0x430/0x430
[ 235.948892][ T5436] ? kobject_add+0x230/0x230
[ 235.953590][ T5436] ? __init_swait_queue_head+0xa5/0x150
[ 235.959225][ T5436] gfs2_sys_fs_add+0x24f/0x4b0
[ 235.964209][ T5436] ? gfs2_recover_set+0x240/0x240
[ 235.969452][ T5436] ? snprintf+0xe5/0x140
[ 235.973706][ T5436] ? __free_pages+0x95/0x1a0
[ 235.978383][ T5436] ? vscnprintf+0x80/0x80
[ 235.983032][ T5436] gfs2_fill_super+0x120f/0x1f00
[ 235.988168][ T5436] ? gfs2_reconfigure+0xd30/0xd30
[ 235.993382][ T5436] ? sb_set_blocksize+0xa5/0xe0
[ 235.998240][ T5436] get_tree_bdev+0x3f1/0x610
[ 236.002827][ T5436] ? gfs2_reconfigure+0xd30/0xd30
[ 236.007855][ T5436] gfs2_get_tree+0x4d/0x1e0
[ 236.012473][ T5436] vfs_get_tree+0x88/0x270
[ 236.016905][ T5436] do_new_mount+0x24a/0xa40
[ 236.021500][ T5436] __se_sys_mount+0x2e3/0x3d0
[ 236.026535][ T5436] ? __x64_sys_mount+0xc0/0xc0
[ 236.031434][ T5436] ? lockdep_hardirqs_on+0x94/0x140
[ 236.036907][ T5436] ? __x64_sys_mount+0x1c/0xc0
[ 236.041807][ T5436] do_syscall_64+0x4c/0xa0
[ 236.046318][ T5436] ? clear_bhb_loop+0x30/0x80
[ 236.051115][ T5436] ? clear_bhb_loop+0x30/0x80
[ 236.055882][ T5436] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.061776][ T5436] RIP: 0033:0x7f6b4115160a
[ 236.066336][ T5436] 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
[ 236.086484][ T5436] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.095642][ T5436] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 236.103697][ T5436] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 236.111663][ T5436] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 236.119640][ T5436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.127610][ T5436] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.135786][ T5436]
[ 236.140712][ T5436] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.154166][ T5436] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.513063][ T5438] loop1: detected capacity change from 0 to 32768
[ 236.569711][ T5438] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.578144][ T5438] CPU: 1 PID: 5438 Comm: syz.1.172 Not tainted syzkaller #0
[ 236.585655][ T5438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 236.596356][ T5438] Call Trace:
[ 236.599660][ T5438]
[ 236.602608][ T5438] dump_stack_lvl+0x188/0x250
[ 236.607581][ T5438] ? show_regs_print_info+0x20/0x20
[ 236.613004][ T5438] ? load_image+0x400/0x400
[ 236.617703][ T5438] sysfs_create_dir_ns+0x26a/0x290
[ 236.622961][ T5438] ? sysfs_warn_dup+0xa0/0xa0
[ 236.627675][ T5438] ? do_raw_spin_unlock+0x11d/0x230
[ 236.633105][ T5438] kobject_add_internal+0x6e0/0xd90
[ 236.638443][ T5438] kobject_init_and_add+0x128/0x190
[ 236.643754][ T5438] ? lockdep_softirqs_off+0x430/0x430
[ 236.649301][ T5438] ? kobject_add+0x230/0x230
[ 236.654151][ T5438] ? __init_swait_queue_head+0xa5/0x150
[ 236.659966][ T5438] gfs2_sys_fs_add+0x24f/0x4b0
[ 236.665167][ T5438] ? gfs2_recover_set+0x240/0x240
[ 236.670365][ T5438] ? snprintf+0xe5/0x140
[ 236.674721][ T5438] ? __free_pages+0x95/0x1a0
[ 236.679582][ T5438] ? vscnprintf+0x80/0x80
[ 236.683914][ T5438] gfs2_fill_super+0x120f/0x1f00
[ 236.689198][ T5438] ? gfs2_reconfigure+0xd30/0xd30
[ 236.694327][ T5438] ? sb_set_blocksize+0xa5/0xe0
[ 236.699174][ T5438] get_tree_bdev+0x3f1/0x610
[ 236.703846][ T5438] ? gfs2_reconfigure+0xd30/0xd30
[ 236.708865][ T5438] gfs2_get_tree+0x4d/0x1e0
[ 236.713458][ T5438] vfs_get_tree+0x88/0x270
[ 236.717981][ T5438] do_new_mount+0x24a/0xa40
[ 236.722582][ T5438] __se_sys_mount+0x2e3/0x3d0
[ 236.727253][ T5438] ? __x64_sys_mount+0xc0/0xc0
[ 236.732010][ T5438] ? lockdep_hardirqs_on+0x94/0x140
[ 236.737468][ T5438] ? __x64_sys_mount+0x1c/0xc0
[ 236.742256][ T5438] do_syscall_64+0x4c/0xa0
[ 236.746662][ T5438] ? clear_bhb_loop+0x30/0x80
[ 236.751502][ T5438] ? clear_bhb_loop+0x30/0x80
[ 236.756170][ T5438] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 236.762137][ T5438] RIP: 0033:0x7f6b4115160a
[ 236.766556][ T5438] 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
[ 236.786541][ T5438] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.795226][ T5438] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 236.803283][ T5438] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 236.811353][ T5438] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 236.819422][ T5438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 236.827383][ T5438] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 236.835444][ T5438]
[ 236.840276][ T5438] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.853751][ T5438] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.205471][ T5440] loop1: detected capacity change from 0 to 32768
[ 237.290740][ T5440] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.300149][ T5440] CPU: 1 PID: 5440 Comm: syz.1.173 Not tainted syzkaller #0
[ 237.307569][ T5440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 237.317665][ T5440] Call Trace:
[ 237.320991][ T5440]
[ 237.323952][ T5440] dump_stack_lvl+0x188/0x250
[ 237.328819][ T5440] ? show_regs_print_info+0x20/0x20
[ 237.334051][ T5440] ? load_image+0x400/0x400
[ 237.338688][ T5440] sysfs_create_dir_ns+0x26a/0x290
[ 237.343820][ T5440] ? sysfs_warn_dup+0xa0/0xa0
[ 237.348674][ T5440] ? do_raw_spin_unlock+0x11d/0x230
[ 237.354131][ T5440] kobject_add_internal+0x6e0/0xd90
[ 237.359824][ T5440] kobject_init_and_add+0x128/0x190
[ 237.365205][ T5440] ? lockdep_softirqs_off+0x430/0x430
[ 237.370660][ T5440] ? kobject_add+0x230/0x230
[ 237.375514][ T5440] ? __init_swait_queue_head+0xa5/0x150
[ 237.381057][ T5440] gfs2_sys_fs_add+0x24f/0x4b0
[ 237.385880][ T5440] ? gfs2_recover_set+0x240/0x240
[ 237.390978][ T5440] ? snprintf+0xe5/0x140
[ 237.395284][ T5440] ? __free_pages+0x95/0x1a0
[ 237.399954][ T5440] ? vscnprintf+0x80/0x80
[ 237.404304][ T5440] gfs2_fill_super+0x120f/0x1f00
[ 237.409363][ T5440] ? gfs2_reconfigure+0xd30/0xd30
[ 237.414828][ T5440] ? sb_set_blocksize+0xa5/0xe0
[ 237.419766][ T5440] get_tree_bdev+0x3f1/0x610
[ 237.424456][ T5440] ? gfs2_reconfigure+0xd30/0xd30
[ 237.429561][ T5440] gfs2_get_tree+0x4d/0x1e0
[ 237.434345][ T5440] vfs_get_tree+0x88/0x270
[ 237.438860][ T5440] do_new_mount+0x24a/0xa40
[ 237.443457][ T5440] __se_sys_mount+0x2e3/0x3d0
[ 237.448310][ T5440] ? __x64_sys_mount+0xc0/0xc0
[ 237.453137][ T5440] ? lockdep_hardirqs_on+0x94/0x140
[ 237.458518][ T5440] ? __x64_sys_mount+0x1c/0xc0
[ 237.463313][ T5440] do_syscall_64+0x4c/0xa0
[ 237.467810][ T5440] ? clear_bhb_loop+0x30/0x80
[ 237.472564][ T5440] ? clear_bhb_loop+0x30/0x80
[ 237.477343][ T5440] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 237.483721][ T5440] RIP: 0033:0x7f6b4115160a
[ 237.488370][ T5440] 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
[ 237.508488][ T5440] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.517023][ T5440] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 237.525524][ T5440] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 237.533595][ T5440] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 237.541671][ T5440] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 237.549838][ T5440] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 237.557986][ T5440]
[ 237.562405][ T5440] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.575861][ T5440] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.930905][ T5442] loop1: detected capacity change from 0 to 32768
[ 238.008434][ T5442] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.020458][ T5442] CPU: 0 PID: 5442 Comm: syz.1.174 Not tainted syzkaller #0
[ 238.027813][ T5442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 238.037996][ T5442] Call Trace:
[ 238.041312][ T5442]
[ 238.044282][ T5442] dump_stack_lvl+0x188/0x250
[ 238.049095][ T5442] ? show_regs_print_info+0x20/0x20
[ 238.054510][ T5442] ? load_image+0x400/0x400
[ 238.059060][ T5442] sysfs_create_dir_ns+0x26a/0x290
[ 238.064304][ T5442] ? sysfs_warn_dup+0xa0/0xa0
[ 238.068998][ T5442] ? do_raw_spin_unlock+0x11d/0x230
[ 238.074470][ T5442] kobject_add_internal+0x6e0/0xd90
[ 238.079868][ T5442] kobject_init_and_add+0x128/0x190
[ 238.085080][ T5442] ? lockdep_softirqs_off+0x430/0x430
[ 238.090702][ T5442] ? kobject_add+0x230/0x230
[ 238.095310][ T5442] ? __init_swait_queue_head+0xa5/0x150
[ 238.100957][ T5442] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.105912][ T5442] ? gfs2_recover_set+0x240/0x240
[ 238.111023][ T5442] ? snprintf+0xe5/0x140
[ 238.115649][ T5442] ? __free_pages+0x95/0x1a0
[ 238.120326][ T5442] ? vscnprintf+0x80/0x80
[ 238.124839][ T5442] gfs2_fill_super+0x120f/0x1f00
[ 238.129955][ T5442] ? gfs2_reconfigure+0xd30/0xd30
[ 238.135107][ T5442] ? sb_set_blocksize+0xa5/0xe0
[ 238.140129][ T5442] get_tree_bdev+0x3f1/0x610
[ 238.144889][ T5442] ? gfs2_reconfigure+0xd30/0xd30
[ 238.149926][ T5442] gfs2_get_tree+0x4d/0x1e0
[ 238.154548][ T5442] vfs_get_tree+0x88/0x270
[ 238.159060][ T5442] do_new_mount+0x24a/0xa40
[ 238.163844][ T5442] __se_sys_mount+0x2e3/0x3d0
[ 238.168628][ T5442] ? __x64_sys_mount+0xc0/0xc0
[ 238.173390][ T5442] ? lockdep_hardirqs_on+0x94/0x140
[ 238.178676][ T5442] ? __x64_sys_mount+0x1c/0xc0
[ 238.183545][ T5442] do_syscall_64+0x4c/0xa0
[ 238.187948][ T5442] ? clear_bhb_loop+0x30/0x80
[ 238.192702][ T5442] ? clear_bhb_loop+0x30/0x80
[ 238.197628][ T5442] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.203545][ T5442] RIP: 0033:0x7f6b4115160a
[ 238.208145][ T5442] 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
[ 238.228190][ T5442] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.236974][ T5442] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 238.244942][ T5442] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 238.253074][ T5442] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 238.261148][ T5442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.269477][ T5442] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.277774][ T5442]
[ 238.282384][ T5442] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.296159][ T5442] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.646337][ T5444] loop1: detected capacity change from 0 to 32768
[ 238.719463][ T5444] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.727236][ T5444] CPU: 1 PID: 5444 Comm: syz.1.175 Not tainted syzkaller #0
[ 238.734654][ T5444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 238.744914][ T5444] Call Trace:
[ 238.748429][ T5444]
[ 238.751495][ T5444] dump_stack_lvl+0x188/0x250
[ 238.756209][ T5444] ? show_regs_print_info+0x20/0x20
[ 238.761440][ T5444] ? load_image+0x400/0x400
[ 238.766095][ T5444] sysfs_create_dir_ns+0x26a/0x290
[ 238.771448][ T5444] ? sysfs_warn_dup+0xa0/0xa0
[ 238.776418][ T5444] ? do_raw_spin_unlock+0x11d/0x230
[ 238.781778][ T5444] kobject_add_internal+0x6e0/0xd90
[ 238.787031][ T5444] kobject_init_and_add+0x128/0x190
[ 238.792429][ T5444] ? lockdep_softirqs_off+0x430/0x430
[ 238.798028][ T5444] ? kobject_add+0x230/0x230
[ 238.802740][ T5444] ? __init_swait_queue_head+0xa5/0x150
[ 238.808496][ T5444] gfs2_sys_fs_add+0x24f/0x4b0
[ 238.813383][ T5444] ? gfs2_recover_set+0x240/0x240
[ 238.818463][ T5444] ? snprintf+0xe5/0x140
[ 238.822803][ T5444] ? __free_pages+0x95/0x1a0
[ 238.827401][ T5444] ? vscnprintf+0x80/0x80
[ 238.831743][ T5444] gfs2_fill_super+0x120f/0x1f00
[ 238.836712][ T5444] ? gfs2_reconfigure+0xd30/0xd30
[ 238.841869][ T5444] ? sb_set_blocksize+0xa5/0xe0
[ 238.846994][ T5444] get_tree_bdev+0x3f1/0x610
[ 238.851769][ T5444] ? gfs2_reconfigure+0xd30/0xd30
[ 238.856794][ T5444] gfs2_get_tree+0x4d/0x1e0
[ 238.861387][ T5444] vfs_get_tree+0x88/0x270
[ 238.865879][ T5444] do_new_mount+0x24a/0xa40
[ 238.870464][ T5444] __se_sys_mount+0x2e3/0x3d0
[ 238.875151][ T5444] ? __x64_sys_mount+0xc0/0xc0
[ 238.879908][ T5444] ? lockdep_hardirqs_on+0x94/0x140
[ 238.885153][ T5444] ? __x64_sys_mount+0x1c/0xc0
[ 238.889923][ T5444] do_syscall_64+0x4c/0xa0
[ 238.894436][ T5444] ? clear_bhb_loop+0x30/0x80
[ 238.899096][ T5444] ? clear_bhb_loop+0x30/0x80
[ 238.903762][ T5444] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 238.909643][ T5444] RIP: 0033:0x7f6b4115160a
[ 238.914142][ T5444] 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
[ 238.934090][ T5444] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.942613][ T5444] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 238.950598][ T5444] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 238.958574][ T5444] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 238.966547][ T5444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 238.974527][ T5444] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 238.982870][ T5444]
[ 238.987775][ T5444] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.001512][ T5444] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.338121][ T5446] loop1: detected capacity change from 0 to 32768
[ 239.406670][ T5446] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.414780][ T5446] CPU: 0 PID: 5446 Comm: syz.1.176 Not tainted syzkaller #0
[ 239.422087][ T5446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 239.432261][ T5446] Call Trace:
[ 239.435660][ T5446]
[ 239.438616][ T5446] dump_stack_lvl+0x188/0x250
[ 239.443347][ T5446] ? show_regs_print_info+0x20/0x20
[ 239.448682][ T5446] ? load_image+0x400/0x400
[ 239.453305][ T5446] sysfs_create_dir_ns+0x26a/0x290
[ 239.458548][ T5446] ? sysfs_warn_dup+0xa0/0xa0
[ 239.463262][ T5446] ? do_raw_spin_unlock+0x11d/0x230
[ 239.468497][ T5446] kobject_add_internal+0x6e0/0xd90
[ 239.473916][ T5446] kobject_init_and_add+0x128/0x190
[ 239.479312][ T5446] ? lockdep_softirqs_off+0x430/0x430
[ 239.484728][ T5446] ? kobject_add+0x230/0x230
[ 239.489389][ T5446] ? __init_swait_queue_head+0xa5/0x150
[ 239.495062][ T5446] gfs2_sys_fs_add+0x24f/0x4b0
[ 239.500128][ T5446] ? gfs2_recover_set+0x240/0x240
[ 239.505360][ T5446] ? snprintf+0xe5/0x140
[ 239.509782][ T5446] ? __free_pages+0x95/0x1a0
[ 239.514391][ T5446] ? vscnprintf+0x80/0x80
[ 239.518755][ T5446] gfs2_fill_super+0x120f/0x1f00
[ 239.523818][ T5446] ? gfs2_reconfigure+0xd30/0xd30
[ 239.528945][ T5446] ? sb_set_blocksize+0xa5/0xe0
[ 239.533937][ T5446] get_tree_bdev+0x3f1/0x610
[ 239.538699][ T5446] ? gfs2_reconfigure+0xd30/0xd30
[ 239.543712][ T5446] gfs2_get_tree+0x4d/0x1e0
[ 239.548233][ T5446] vfs_get_tree+0x88/0x270
[ 239.552838][ T5446] do_new_mount+0x24a/0xa40
[ 239.557346][ T5446] __se_sys_mount+0x2e3/0x3d0
[ 239.562054][ T5446] ? __x64_sys_mount+0xc0/0xc0
[ 239.567149][ T5446] ? lockdep_hardirqs_on+0x94/0x140
[ 239.572384][ T5446] ? __x64_sys_mount+0x1c/0xc0
[ 239.577356][ T5446] do_syscall_64+0x4c/0xa0
[ 239.581765][ T5446] ? clear_bhb_loop+0x30/0x80
[ 239.586517][ T5446] ? clear_bhb_loop+0x30/0x80
[ 239.591186][ T5446] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 239.597226][ T5446] RIP: 0033:0x7f6b4115160a
[ 239.601806][ T5446] 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
[ 239.621789][ T5446] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.630588][ T5446] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 239.638956][ T5446] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 239.647095][ T5446] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 239.655233][ T5446] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 239.663198][ T5446] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 239.671266][ T5446]
[ 239.679007][ T5446] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.692976][ T5446] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:16:16 executed programs: 162
[ 240.038932][ T5448] loop1: detected capacity change from 0 to 32768
[ 240.086826][ T5448] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.094456][ T5448] CPU: 1 PID: 5448 Comm: syz.1.177 Not tainted syzkaller #0
[ 240.101947][ T5448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 240.112041][ T5448] Call Trace:
[ 240.115364][ T5448]
[ 240.118337][ T5448] dump_stack_lvl+0x188/0x250
[ 240.123056][ T5448] ? show_regs_print_info+0x20/0x20
[ 240.128465][ T5448] ? load_image+0x400/0x400
[ 240.133019][ T5448] sysfs_create_dir_ns+0x26a/0x290
[ 240.138705][ T5448] ? sysfs_warn_dup+0xa0/0xa0
[ 240.143762][ T5448] ? do_raw_spin_unlock+0x11d/0x230
[ 240.149266][ T5448] kobject_add_internal+0x6e0/0xd90
[ 240.154609][ T5448] kobject_init_and_add+0x128/0x190
[ 240.160029][ T5448] ? lockdep_softirqs_off+0x430/0x430
[ 240.165531][ T5448] ? kobject_add+0x230/0x230
[ 240.170155][ T5448] ? __init_swait_queue_head+0xa5/0x150
[ 240.175937][ T5448] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.180894][ T5448] ? gfs2_recover_set+0x240/0x240
[ 240.185999][ T5448] ? snprintf+0xe5/0x140
[ 240.190233][ T5448] ? __free_pages+0x95/0x1a0
[ 240.194903][ T5448] ? vscnprintf+0x80/0x80
[ 240.199548][ T5448] gfs2_fill_super+0x120f/0x1f00
[ 240.204617][ T5448] ? gfs2_reconfigure+0xd30/0xd30
[ 240.209668][ T5448] ? sb_set_blocksize+0xa5/0xe0
[ 240.214520][ T5448] get_tree_bdev+0x3f1/0x610
[ 240.219233][ T5448] ? gfs2_reconfigure+0xd30/0xd30
[ 240.224252][ T5448] gfs2_get_tree+0x4d/0x1e0
[ 240.229144][ T5448] vfs_get_tree+0x88/0x270
[ 240.233896][ T5448] do_new_mount+0x24a/0xa40
[ 240.238429][ T5448] __se_sys_mount+0x2e3/0x3d0
[ 240.243301][ T5448] ? __x64_sys_mount+0xc0/0xc0
[ 240.248168][ T5448] ? lockdep_hardirqs_on+0x94/0x140
[ 240.253489][ T5448] ? __x64_sys_mount+0x1c/0xc0
[ 240.258523][ T5448] do_syscall_64+0x4c/0xa0
[ 240.262945][ T5448] ? clear_bhb_loop+0x30/0x80
[ 240.267704][ T5448] ? clear_bhb_loop+0x30/0x80
[ 240.272568][ T5448] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.278673][ T5448] RIP: 0033:0x7f6b4115160a
[ 240.283369][ T5448] 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
[ 240.303857][ T5448] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.312649][ T5448] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 240.320735][ T5448] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 240.328895][ T5448] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 240.337278][ T5448] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 240.345419][ T5448] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 240.353487][ T5448]
[ 240.360770][ T5448] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.375433][ T5448] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.735068][ T5450] loop1: detected capacity change from 0 to 32768
[ 240.788908][ T5450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.798231][ T5450] CPU: 0 PID: 5450 Comm: syz.1.178 Not tainted syzkaller #0
[ 240.805896][ T5450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 240.816701][ T5450] Call Trace:
[ 240.820104][ T5450]
[ 240.823146][ T5450] dump_stack_lvl+0x188/0x250
[ 240.827950][ T5450] ? show_regs_print_info+0x20/0x20
[ 240.833462][ T5450] ? load_image+0x400/0x400
[ 240.838295][ T5450] sysfs_create_dir_ns+0x26a/0x290
[ 240.843622][ T5450] ? sysfs_warn_dup+0xa0/0xa0
[ 240.848334][ T5450] ? do_raw_spin_unlock+0x11d/0x230
[ 240.853741][ T5450] kobject_add_internal+0x6e0/0xd90
[ 240.859070][ T5450] kobject_init_and_add+0x128/0x190
[ 240.864578][ T5450] ? lockdep_softirqs_off+0x430/0x430
[ 240.870397][ T5450] ? kobject_add+0x230/0x230
[ 240.875019][ T5450] ? __init_swait_queue_head+0xa5/0x150
[ 240.880664][ T5450] gfs2_sys_fs_add+0x24f/0x4b0
[ 240.885449][ T5450] ? gfs2_recover_set+0x240/0x240
[ 240.890660][ T5450] ? snprintf+0xe5/0x140
[ 240.894917][ T5450] ? __free_pages+0x95/0x1a0
[ 240.899897][ T5450] ? vscnprintf+0x80/0x80
[ 240.904643][ T5450] gfs2_fill_super+0x120f/0x1f00
[ 240.909868][ T5450] ? gfs2_reconfigure+0xd30/0xd30
[ 240.915123][ T5450] ? sb_set_blocksize+0xa5/0xe0
[ 240.920141][ T5450] get_tree_bdev+0x3f1/0x610
[ 240.924726][ T5450] ? gfs2_reconfigure+0xd30/0xd30
[ 240.930098][ T5450] gfs2_get_tree+0x4d/0x1e0
[ 240.934629][ T5450] vfs_get_tree+0x88/0x270
[ 240.939133][ T5450] do_new_mount+0x24a/0xa40
[ 240.943742][ T5450] __se_sys_mount+0x2e3/0x3d0
[ 240.948409][ T5450] ? __x64_sys_mount+0xc0/0xc0
[ 240.953361][ T5450] ? lockdep_hardirqs_on+0x94/0x140
[ 240.958623][ T5450] ? __x64_sys_mount+0x1c/0xc0
[ 240.963486][ T5450] do_syscall_64+0x4c/0xa0
[ 240.968091][ T5450] ? clear_bhb_loop+0x30/0x80
[ 240.972879][ T5450] ? clear_bhb_loop+0x30/0x80
[ 240.977569][ T5450] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 240.983465][ T5450] RIP: 0033:0x7f6b4115160a
[ 240.987886][ T5450] 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
[ 241.007872][ T5450] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.016601][ T5450] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 241.024795][ T5450] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 241.032959][ T5450] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 241.041214][ T5450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.049366][ T5450] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.057524][ T5450]
[ 241.062809][ T5450] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.076191][ T5450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.429217][ T5452] loop1: detected capacity change from 0 to 32768
[ 241.477883][ T5452] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.486058][ T5452] CPU: 0 PID: 5452 Comm: syz.1.179 Not tainted syzkaller #0
[ 241.493646][ T5452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 241.503995][ T5452] Call Trace:
[ 241.507305][ T5452]
[ 241.510257][ T5452] dump_stack_lvl+0x188/0x250
[ 241.515293][ T5452] ? show_regs_print_info+0x20/0x20
[ 241.520527][ T5452] ? load_image+0x400/0x400
[ 241.525086][ T5452] sysfs_create_dir_ns+0x26a/0x290
[ 241.530321][ T5452] ? sysfs_warn_dup+0xa0/0xa0
[ 241.535116][ T5452] ? do_raw_spin_unlock+0x11d/0x230
[ 241.540520][ T5452] kobject_add_internal+0x6e0/0xd90
[ 241.546375][ T5452] kobject_init_and_add+0x128/0x190
[ 241.551872][ T5452] ? lockdep_softirqs_off+0x430/0x430
[ 241.557279][ T5452] ? kobject_add+0x230/0x230
[ 241.562114][ T5452] ? __init_swait_queue_head+0xa5/0x150
[ 241.567913][ T5452] gfs2_sys_fs_add+0x24f/0x4b0
[ 241.572986][ T5452] ? gfs2_recover_set+0x240/0x240
[ 241.578360][ T5452] ? snprintf+0xe5/0x140
[ 241.582713][ T5452] ? __free_pages+0x95/0x1a0
[ 241.587416][ T5452] ? vscnprintf+0x80/0x80
[ 241.591871][ T5452] gfs2_fill_super+0x120f/0x1f00
[ 241.597114][ T5452] ? gfs2_reconfigure+0xd30/0xd30
[ 241.602169][ T5452] ? sb_set_blocksize+0xa5/0xe0
[ 241.607115][ T5452] get_tree_bdev+0x3f1/0x610
[ 241.611792][ T5452] ? gfs2_reconfigure+0xd30/0xd30
[ 241.616927][ T5452] gfs2_get_tree+0x4d/0x1e0
[ 241.621714][ T5452] vfs_get_tree+0x88/0x270
[ 241.626579][ T5452] do_new_mount+0x24a/0xa40
[ 241.631217][ T5452] __se_sys_mount+0x2e3/0x3d0
[ 241.635918][ T5452] ? __x64_sys_mount+0xc0/0xc0
[ 241.640740][ T5452] ? lockdep_hardirqs_on+0x94/0x140
[ 241.646121][ T5452] ? __x64_sys_mount+0x1c/0xc0
[ 241.650979][ T5452] do_syscall_64+0x4c/0xa0
[ 241.655689][ T5452] ? clear_bhb_loop+0x30/0x80
[ 241.660573][ T5452] ? clear_bhb_loop+0x30/0x80
[ 241.665411][ T5452] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 241.671338][ T5452] RIP: 0033:0x7f6b4115160a
[ 241.675904][ T5452] 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
[ 241.695779][ T5452] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.704284][ T5452] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 241.712338][ T5452] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 241.720317][ T5452] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 241.728475][ T5452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 241.736445][ T5452] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 241.744431][ T5452]
[ 241.754679][ T5452] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.768480][ T5452] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.109632][ T5454] loop1: detected capacity change from 0 to 32768
[ 242.123108][ T5454] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.130734][ T5454] CPU: 1 PID: 5454 Comm: syz.1.180 Not tainted syzkaller #0
[ 242.138139][ T5454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 242.148509][ T5454] Call Trace:
[ 242.151900][ T5454]
[ 242.154864][ T5454] dump_stack_lvl+0x188/0x250
[ 242.159759][ T5454] ? show_regs_print_info+0x20/0x20
[ 242.165245][ T5454] ? load_image+0x400/0x400
[ 242.169878][ T5454] sysfs_create_dir_ns+0x26a/0x290
[ 242.175101][ T5454] ? sysfs_warn_dup+0xa0/0xa0
[ 242.180060][ T5454] ? do_raw_spin_unlock+0x11d/0x230
[ 242.185754][ T5454] kobject_add_internal+0x6e0/0xd90
[ 242.191069][ T5454] kobject_init_and_add+0x128/0x190
[ 242.196405][ T5454] ? lockdep_softirqs_off+0x430/0x430
[ 242.201956][ T5454] ? kobject_add+0x230/0x230
[ 242.206734][ T5454] ? __init_swait_queue_head+0xa5/0x150
[ 242.212470][ T5454] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.217328][ T5454] ? gfs2_recover_set+0x240/0x240
[ 242.222532][ T5454] ? snprintf+0xe5/0x140
[ 242.226771][ T5454] ? __free_pages+0x95/0x1a0
[ 242.231357][ T5454] ? vscnprintf+0x80/0x80
[ 242.235861][ T5454] gfs2_fill_super+0x120f/0x1f00
[ 242.240804][ T5454] ? gfs2_reconfigure+0xd30/0xd30
[ 242.245914][ T5454] ? sb_set_blocksize+0xa5/0xe0
[ 242.250848][ T5454] get_tree_bdev+0x3f1/0x610
[ 242.255523][ T5454] ? gfs2_reconfigure+0xd30/0xd30
[ 242.260845][ T5454] gfs2_get_tree+0x4d/0x1e0
[ 242.265355][ T5454] vfs_get_tree+0x88/0x270
[ 242.269776][ T5454] do_new_mount+0x24a/0xa40
[ 242.274365][ T5454] __se_sys_mount+0x2e3/0x3d0
[ 242.279203][ T5454] ? __x64_sys_mount+0xc0/0xc0
[ 242.284277][ T5454] ? lockdep_hardirqs_on+0x94/0x140
[ 242.289585][ T5454] ? __x64_sys_mount+0x1c/0xc0
[ 242.294382][ T5454] do_syscall_64+0x4c/0xa0
[ 242.298809][ T5454] ? clear_bhb_loop+0x30/0x80
[ 242.303567][ T5454] ? clear_bhb_loop+0x30/0x80
[ 242.308239][ T5454] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 242.314141][ T5454] RIP: 0033:0x7f6b4115160a
[ 242.318744][ T5454] 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
[ 242.338877][ T5454] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.347578][ T5454] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 242.355802][ T5454] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 242.363852][ T5454] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 242.371816][ T5454] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 242.379970][ T5454] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 242.388191][ T5454]
[ 242.392883][ T5454] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.406249][ T5454] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.745821][ T5456] loop1: detected capacity change from 0 to 32768
[ 242.818878][ T5456] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.827388][ T5456] CPU: 0 PID: 5456 Comm: syz.1.181 Not tainted syzkaller #0
[ 242.834714][ T5456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 242.845148][ T5456] Call Trace:
[ 242.848454][ T5456]
[ 242.851412][ T5456] dump_stack_lvl+0x188/0x250
[ 242.856301][ T5456] ? show_regs_print_info+0x20/0x20
[ 242.861540][ T5456] ? load_image+0x400/0x400
[ 242.866183][ T5456] sysfs_create_dir_ns+0x26a/0x290
[ 242.871613][ T5456] ? sysfs_warn_dup+0xa0/0xa0
[ 242.876516][ T5456] ? do_raw_spin_unlock+0x11d/0x230
[ 242.882038][ T5456] kobject_add_internal+0x6e0/0xd90
[ 242.887652][ T5456] kobject_init_and_add+0x128/0x190
[ 242.892958][ T5456] ? lockdep_softirqs_off+0x430/0x430
[ 242.898505][ T5456] ? kobject_add+0x230/0x230
[ 242.903194][ T5456] ? __init_swait_queue_head+0xa5/0x150
[ 242.908818][ T5456] gfs2_sys_fs_add+0x24f/0x4b0
[ 242.913660][ T5456] ? gfs2_recover_set+0x240/0x240
[ 242.918758][ T5456] ? snprintf+0xe5/0x140
[ 242.922994][ T5456] ? __free_pages+0x95/0x1a0
[ 242.927660][ T5456] ? vscnprintf+0x80/0x80
[ 242.931993][ T5456] gfs2_fill_super+0x120f/0x1f00
[ 242.936950][ T5456] ? gfs2_reconfigure+0xd30/0xd30
[ 242.942186][ T5456] ? sb_set_blocksize+0xa5/0xe0
[ 242.947307][ T5456] get_tree_bdev+0x3f1/0x610
[ 242.952005][ T5456] ? gfs2_reconfigure+0xd30/0xd30
[ 242.957233][ T5456] gfs2_get_tree+0x4d/0x1e0
[ 242.961834][ T5456] vfs_get_tree+0x88/0x270
[ 242.966609][ T5456] do_new_mount+0x24a/0xa40
[ 242.971129][ T5456] __se_sys_mount+0x2e3/0x3d0
[ 242.975916][ T5456] ? __x64_sys_mount+0xc0/0xc0
[ 242.980776][ T5456] ? lockdep_hardirqs_on+0x94/0x140
[ 242.985991][ T5456] ? __x64_sys_mount+0x1c/0xc0
[ 242.990760][ T5456] do_syscall_64+0x4c/0xa0
[ 242.995323][ T5456] ? clear_bhb_loop+0x30/0x80
[ 243.000291][ T5456] ? clear_bhb_loop+0x30/0x80
[ 243.004967][ T5456] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.011030][ T5456] RIP: 0033:0x7f6b4115160a
[ 243.015455][ T5456] 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
[ 243.035884][ T5456] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.044585][ T5456] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 243.052781][ T5456] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 243.060863][ T5456] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 243.069508][ T5456] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.077659][ T5456] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.085944][ T5456]
[ 243.090959][ T5456] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.104677][ T5456] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.459984][ T5458] loop1: detected capacity change from 0 to 32768
[ 243.508222][ T5458] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.517897][ T5458] CPU: 1 PID: 5458 Comm: syz.1.182 Not tainted syzkaller #0
[ 243.525330][ T5458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 243.536054][ T5458] Call Trace:
[ 243.539740][ T5458]
[ 243.542701][ T5458] dump_stack_lvl+0x188/0x250
[ 243.547721][ T5458] ? show_regs_print_info+0x20/0x20
[ 243.553136][ T5458] ? load_image+0x400/0x400
[ 243.558123][ T5458] sysfs_create_dir_ns+0x26a/0x290
[ 243.563637][ T5458] ? sysfs_warn_dup+0xa0/0xa0
[ 243.568541][ T5458] ? do_raw_spin_unlock+0x11d/0x230
[ 243.573884][ T5458] kobject_add_internal+0x6e0/0xd90
[ 243.579217][ T5458] kobject_init_and_add+0x128/0x190
[ 243.584634][ T5458] ? lockdep_softirqs_off+0x430/0x430
[ 243.590150][ T5458] ? kobject_add+0x230/0x230
[ 243.594958][ T5458] ? __init_swait_queue_head+0xa5/0x150
[ 243.600914][ T5458] gfs2_sys_fs_add+0x24f/0x4b0
[ 243.605805][ T5458] ? gfs2_recover_set+0x240/0x240
[ 243.610939][ T5458] ? snprintf+0xe5/0x140
[ 243.615283][ T5458] ? __free_pages+0x95/0x1a0
[ 243.620158][ T5458] ? vscnprintf+0x80/0x80
[ 243.624600][ T5458] gfs2_fill_super+0x120f/0x1f00
[ 243.629556][ T5458] ? gfs2_reconfigure+0xd30/0xd30
[ 243.634680][ T5458] ? sb_set_blocksize+0xa5/0xe0
[ 243.639535][ T5458] get_tree_bdev+0x3f1/0x610
[ 243.644157][ T5458] ? gfs2_reconfigure+0xd30/0xd30
[ 243.649443][ T5458] gfs2_get_tree+0x4d/0x1e0
[ 243.654037][ T5458] vfs_get_tree+0x88/0x270
[ 243.658450][ T5458] do_new_mount+0x24a/0xa40
[ 243.662983][ T5458] __se_sys_mount+0x2e3/0x3d0
[ 243.667801][ T5458] ? __x64_sys_mount+0xc0/0xc0
[ 243.672595][ T5458] ? lockdep_hardirqs_on+0x94/0x140
[ 243.677881][ T5458] ? __x64_sys_mount+0x1c/0xc0
[ 243.682725][ T5458] do_syscall_64+0x4c/0xa0
[ 243.687375][ T5458] ? clear_bhb_loop+0x30/0x80
[ 243.692266][ T5458] ? clear_bhb_loop+0x30/0x80
[ 243.697309][ T5458] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 243.703523][ T5458] RIP: 0033:0x7f6b4115160a
[ 243.708298][ T5458] 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
[ 243.728341][ T5458] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.736783][ T5458] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 243.745357][ T5458] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 243.753517][ T5458] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 243.761704][ T5458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 243.769957][ T5458] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 243.777935][ T5458]
[ 243.785185][ T5458] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.798797][ T5458] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.148983][ T5460] loop1: detected capacity change from 0 to 32768
[ 244.200540][ T5460] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.209310][ T5460] CPU: 1 PID: 5460 Comm: syz.1.183 Not tainted syzkaller #0
[ 244.216771][ T5460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 244.227124][ T5460] Call Trace:
[ 244.230437][ T5460]
[ 244.233683][ T5460] dump_stack_lvl+0x188/0x250
[ 244.238505][ T5460] ? show_regs_print_info+0x20/0x20
[ 244.243839][ T5460] ? load_image+0x400/0x400
[ 244.248493][ T5460] sysfs_create_dir_ns+0x26a/0x290
[ 244.253646][ T5460] ? sysfs_warn_dup+0xa0/0xa0
[ 244.258365][ T5460] ? do_raw_spin_unlock+0x11d/0x230
[ 244.263608][ T5460] kobject_add_internal+0x6e0/0xd90
[ 244.269025][ T5460] kobject_init_and_add+0x128/0x190
[ 244.274268][ T5460] ? lockdep_softirqs_off+0x430/0x430
[ 244.279679][ T5460] ? kobject_add+0x230/0x230
[ 244.284400][ T5460] ? __init_swait_queue_head+0xa5/0x150
[ 244.289993][ T5460] gfs2_sys_fs_add+0x24f/0x4b0
[ 244.295105][ T5460] ? gfs2_recover_set+0x240/0x240
[ 244.300222][ T5460] ? snprintf+0xe5/0x140
[ 244.304610][ T5460] ? __free_pages+0x95/0x1a0
[ 244.309329][ T5460] ? vscnprintf+0x80/0x80
[ 244.313672][ T5460] gfs2_fill_super+0x120f/0x1f00
[ 244.318808][ T5460] ? gfs2_reconfigure+0xd30/0xd30
[ 244.324009][ T5460] ? sb_set_blocksize+0xa5/0xe0
[ 244.328928][ T5460] get_tree_bdev+0x3f1/0x610
[ 244.333529][ T5460] ? gfs2_reconfigure+0xd30/0xd30
[ 244.338638][ T5460] gfs2_get_tree+0x4d/0x1e0
[ 244.343259][ T5460] vfs_get_tree+0x88/0x270
[ 244.347670][ T5460] do_new_mount+0x24a/0xa40
[ 244.352169][ T5460] __se_sys_mount+0x2e3/0x3d0
[ 244.357014][ T5460] ? __x64_sys_mount+0xc0/0xc0
[ 244.361786][ T5460] ? lockdep_hardirqs_on+0x94/0x140
[ 244.367066][ T5460] ? __x64_sys_mount+0x1c/0xc0
[ 244.371837][ T5460] do_syscall_64+0x4c/0xa0
[ 244.376245][ T5460] ? clear_bhb_loop+0x30/0x80
[ 244.380911][ T5460] ? clear_bhb_loop+0x30/0x80
[ 244.385725][ T5460] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 244.391608][ T5460] RIP: 0033:0x7f6b4115160a
[ 244.396035][ T5460] 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
[ 244.416685][ T5460] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.425289][ T5460] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 244.433455][ T5460] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 244.441616][ T5460] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 244.449775][ T5460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 244.457862][ T5460] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 244.465844][ T5460]
[ 244.470846][ T5460] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.484430][ T5460] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.839912][ T5462] loop1: detected capacity change from 0 to 32768
[ 244.892343][ T5462] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.904585][ T5462] CPU: 0 PID: 5462 Comm: syz.1.184 Not tainted syzkaller #0
[ 244.912025][ T5462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 244.922822][ T5462] Call Trace:
[ 244.926142][ T5462]
[ 244.929115][ T5462] dump_stack_lvl+0x188/0x250
[ 244.933930][ T5462] ? show_regs_print_info+0x20/0x20
[ 244.939484][ T5462] ? load_image+0x400/0x400
[ 244.944049][ T5462] sysfs_create_dir_ns+0x26a/0x290
[ 244.949376][ T5462] ? sysfs_warn_dup+0xa0/0xa0
[ 244.954263][ T5462] ? do_raw_spin_unlock+0x11d/0x230
[ 244.960128][ T5462] kobject_add_internal+0x6e0/0xd90
[ 244.965366][ T5462] kobject_init_and_add+0x128/0x190
[ 244.970689][ T5462] ? lockdep_softirqs_off+0x430/0x430
[ 244.976108][ T5462] ? kobject_add+0x230/0x230
[ 244.980911][ T5462] ? __init_swait_queue_head+0xa5/0x150
[ 244.986502][ T5462] gfs2_sys_fs_add+0x24f/0x4b0
[ 244.991463][ T5462] ? gfs2_recover_set+0x240/0x240
[ 244.996515][ T5462] ? snprintf+0xe5/0x140
[ 245.000946][ T5462] ? __free_pages+0x95/0x1a0
[ 245.005536][ T5462] ? vscnprintf+0x80/0x80
[ 245.009881][ T5462] gfs2_fill_super+0x120f/0x1f00
[ 245.014907][ T5462] ? gfs2_reconfigure+0xd30/0xd30
[ 245.020152][ T5462] ? sb_set_blocksize+0xa5/0xe0
[ 245.025248][ T5462] get_tree_bdev+0x3f1/0x610
[ 245.029963][ T5462] ? gfs2_reconfigure+0xd30/0xd30
[ 245.035271][ T5462] gfs2_get_tree+0x4d/0x1e0
[ 245.039867][ T5462] vfs_get_tree+0x88/0x270
[ 245.044557][ T5462] do_new_mount+0x24a/0xa40
[ 245.049143][ T5462] __se_sys_mount+0x2e3/0x3d0
[ 245.053815][ T5462] ? __x64_sys_mount+0xc0/0xc0
[ 245.058583][ T5462] ? lockdep_hardirqs_on+0x94/0x140
[ 245.063789][ T5462] ? __x64_sys_mount+0x1c/0xc0
[ 245.068548][ T5462] do_syscall_64+0x4c/0xa0
[ 245.073042][ T5462] ? clear_bhb_loop+0x30/0x80
[ 245.077811][ T5462] ? clear_bhb_loop+0x30/0x80
[ 245.082521][ T5462] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.088407][ T5462] RIP: 0033:0x7f6b4115160a
[ 245.093109][ T5462] 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
[ 245.112882][ T5462] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.121302][ T5462] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 245.129488][ T5462] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 245.137563][ T5462] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 245.145831][ T5462] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.153997][ T5462] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.162391][ T5462]
[ 245.167174][ T5462] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.180621][ T5462] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:16:22 executed programs: 170
[ 245.522774][ T5464] loop1: detected capacity change from 0 to 32768
[ 245.540493][ T5464] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.548538][ T5464] CPU: 1 PID: 5464 Comm: syz.1.185 Not tainted syzkaller #0
[ 245.555880][ T5464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 245.565968][ T5464] Call Trace:
[ 245.569459][ T5464]
[ 245.572416][ T5464] dump_stack_lvl+0x188/0x250
[ 245.577473][ T5464] ? show_regs_print_info+0x20/0x20
[ 245.582702][ T5464] ? load_image+0x400/0x400
[ 245.587338][ T5464] sysfs_create_dir_ns+0x26a/0x290
[ 245.592541][ T5464] ? sysfs_warn_dup+0xa0/0xa0
[ 245.597300][ T5464] ? do_raw_spin_unlock+0x11d/0x230
[ 245.602594][ T5464] kobject_add_internal+0x6e0/0xd90
[ 245.607976][ T5464] kobject_init_and_add+0x128/0x190
[ 245.613242][ T5464] ? lockdep_softirqs_off+0x430/0x430
[ 245.618615][ T5464] ? kobject_add+0x230/0x230
[ 245.623374][ T5464] ? __init_swait_queue_head+0xa5/0x150
[ 245.629258][ T5464] gfs2_sys_fs_add+0x24f/0x4b0
[ 245.634192][ T5464] ? gfs2_recover_set+0x240/0x240
[ 245.639243][ T5464] ? snprintf+0xe5/0x140
[ 245.643957][ T5464] ? __free_pages+0x95/0x1a0
[ 245.648580][ T5464] ? vscnprintf+0x80/0x80
[ 245.652925][ T5464] gfs2_fill_super+0x120f/0x1f00
[ 245.657976][ T5464] ? gfs2_reconfigure+0xd30/0xd30
[ 245.663098][ T5464] ? sb_set_blocksize+0xa5/0xe0
[ 245.667946][ T5464] get_tree_bdev+0x3f1/0x610
[ 245.672531][ T5464] ? gfs2_reconfigure+0xd30/0xd30
[ 245.677554][ T5464] gfs2_get_tree+0x4d/0x1e0
[ 245.682165][ T5464] vfs_get_tree+0x88/0x270
[ 245.686858][ T5464] do_new_mount+0x24a/0xa40
[ 245.691549][ T5464] __se_sys_mount+0x2e3/0x3d0
[ 245.696237][ T5464] ? __x64_sys_mount+0xc0/0xc0
[ 245.701033][ T5464] ? lockdep_hardirqs_on+0x94/0x140
[ 245.706365][ T5464] ? __x64_sys_mount+0x1c/0xc0
[ 245.711245][ T5464] do_syscall_64+0x4c/0xa0
[ 245.715919][ T5464] ? clear_bhb_loop+0x30/0x80
[ 245.720901][ T5464] ? clear_bhb_loop+0x30/0x80
[ 245.725675][ T5464] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 245.731644][ T5464] RIP: 0033:0x7f6b4115160a
[ 245.736083][ T5464] 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
[ 245.756340][ T5464] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.765111][ T5464] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 245.773305][ T5464] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 245.781370][ T5464] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 245.789619][ T5464] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 245.797582][ T5464] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 245.805758][ T5464]
[ 245.810112][ T5464] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.823615][ T5464] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.191610][ T5466] loop1: detected capacity change from 0 to 32768
[ 246.288850][ T5466] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.296306][ T5466] CPU: 1 PID: 5466 Comm: syz.1.186 Not tainted syzkaller #0
[ 246.303993][ T5466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 246.314331][ T5466] Call Trace:
[ 246.317640][ T5466]
[ 246.320772][ T5466] dump_stack_lvl+0x188/0x250
[ 246.325666][ T5466] ? show_regs_print_info+0x20/0x20
[ 246.331008][ T5466] ? load_image+0x400/0x400
[ 246.335656][ T5466] sysfs_create_dir_ns+0x26a/0x290
[ 246.340810][ T5466] ? sysfs_warn_dup+0xa0/0xa0
[ 246.345520][ T5466] ? do_raw_spin_unlock+0x11d/0x230
[ 246.350743][ T5466] kobject_add_internal+0x6e0/0xd90
[ 246.355942][ T5466] kobject_init_and_add+0x128/0x190
[ 246.361226][ T5466] ? lockdep_softirqs_off+0x430/0x430
[ 246.366998][ T5466] ? kobject_add+0x230/0x230
[ 246.371584][ T5466] ? __init_swait_queue_head+0xa5/0x150
[ 246.377237][ T5466] gfs2_sys_fs_add+0x24f/0x4b0
[ 246.382113][ T5466] ? gfs2_recover_set+0x240/0x240
[ 246.387515][ T5466] ? snprintf+0xe5/0x140
[ 246.391851][ T5466] ? __free_pages+0x95/0x1a0
[ 246.396623][ T5466] ? vscnprintf+0x80/0x80
[ 246.401339][ T5466] gfs2_fill_super+0x120f/0x1f00
[ 246.406371][ T5466] ? gfs2_reconfigure+0xd30/0xd30
[ 246.411595][ T5466] ? sb_set_blocksize+0xa5/0xe0
[ 246.416626][ T5466] get_tree_bdev+0x3f1/0x610
[ 246.421310][ T5466] ? gfs2_reconfigure+0xd30/0xd30
[ 246.426328][ T5466] gfs2_get_tree+0x4d/0x1e0
[ 246.431107][ T5466] vfs_get_tree+0x88/0x270
[ 246.435785][ T5466] do_new_mount+0x24a/0xa40
[ 246.440282][ T5466] __se_sys_mount+0x2e3/0x3d0
[ 246.444952][ T5466] ? __x64_sys_mount+0xc0/0xc0
[ 246.449729][ T5466] ? lockdep_hardirqs_on+0x94/0x140
[ 246.455350][ T5466] ? __x64_sys_mount+0x1c/0xc0
[ 246.460319][ T5466] do_syscall_64+0x4c/0xa0
[ 246.464950][ T5466] ? clear_bhb_loop+0x30/0x80
[ 246.469727][ T5466] ? clear_bhb_loop+0x30/0x80
[ 246.474506][ T5466] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 246.480504][ T5466] RIP: 0033:0x7f6b4115160a
[ 246.484921][ T5466] 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
[ 246.505828][ T5466] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.514512][ T5466] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 246.522580][ T5466] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 246.530555][ T5466] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 246.538736][ T5466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 246.546726][ T5466] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 246.554987][ T5466]
[ 246.559504][ T5466] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.573103][ T5466] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.939953][ T5468] loop1: detected capacity change from 0 to 32768
[ 247.007344][ T5468] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.015510][ T5468] CPU: 1 PID: 5468 Comm: syz.1.187 Not tainted syzkaller #0
[ 247.022988][ T5468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 247.033402][ T5468] Call Trace:
[ 247.036915][ T5468]
[ 247.040058][ T5468] dump_stack_lvl+0x188/0x250
[ 247.044950][ T5468] ? show_regs_print_info+0x20/0x20
[ 247.050273][ T5468] ? load_image+0x400/0x400
[ 247.054917][ T5468] sysfs_create_dir_ns+0x26a/0x290
[ 247.060066][ T5468] ? sysfs_warn_dup+0xa0/0xa0
[ 247.064770][ T5468] ? do_raw_spin_unlock+0x11d/0x230
[ 247.070099][ T5468] kobject_add_internal+0x6e0/0xd90
[ 247.075521][ T5468] kobject_init_and_add+0x128/0x190
[ 247.080929][ T5468] ? lockdep_softirqs_off+0x430/0x430
[ 247.086429][ T5468] ? kobject_add+0x230/0x230
[ 247.091216][ T5468] ? __init_swait_queue_head+0xa5/0x150
[ 247.096767][ T5468] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.101531][ T5468] ? gfs2_recover_set+0x240/0x240
[ 247.106643][ T5468] ? snprintf+0xe5/0x140
[ 247.110883][ T5468] ? __free_pages+0x95/0x1a0
[ 247.115461][ T5468] ? vscnprintf+0x80/0x80
[ 247.119787][ T5468] gfs2_fill_super+0x120f/0x1f00
[ 247.124800][ T5468] ? gfs2_reconfigure+0xd30/0xd30
[ 247.129931][ T5468] ? sb_set_blocksize+0xa5/0xe0
[ 247.134887][ T5468] get_tree_bdev+0x3f1/0x610
[ 247.139470][ T5468] ? gfs2_reconfigure+0xd30/0xd30
[ 247.144683][ T5468] gfs2_get_tree+0x4d/0x1e0
[ 247.149370][ T5468] vfs_get_tree+0x88/0x270
[ 247.153970][ T5468] do_new_mount+0x24a/0xa40
[ 247.158466][ T5468] __se_sys_mount+0x2e3/0x3d0
[ 247.163263][ T5468] ? __x64_sys_mount+0xc0/0xc0
[ 247.168115][ T5468] ? lockdep_hardirqs_on+0x94/0x140
[ 247.173781][ T5468] ? __x64_sys_mount+0x1c/0xc0
[ 247.178934][ T5468] do_syscall_64+0x4c/0xa0
[ 247.183590][ T5468] ? clear_bhb_loop+0x30/0x80
[ 247.188365][ T5468] ? clear_bhb_loop+0x30/0x80
[ 247.193347][ T5468] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.199638][ T5468] RIP: 0033:0x7f6b4115160a
[ 247.204277][ T5468] 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
[ 247.224037][ T5468] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.232564][ T5468] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 247.240822][ T5468] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 247.248963][ T5468] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 247.257010][ T5468] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 247.265165][ T5468] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 247.273303][ T5468]
[ 247.277758][ T5468] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.291453][ T5468] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.662226][ T5470] loop1: detected capacity change from 0 to 32768
[ 247.750945][ T5470] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.758937][ T5470] CPU: 1 PID: 5470 Comm: syz.1.188 Not tainted syzkaller #0
[ 247.766267][ T5470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 247.777189][ T5470] Call Trace:
[ 247.780605][ T5470]
[ 247.783561][ T5470] dump_stack_lvl+0x188/0x250
[ 247.788381][ T5470] ? show_regs_print_info+0x20/0x20
[ 247.793891][ T5470] ? load_image+0x400/0x400
[ 247.798529][ T5470] sysfs_create_dir_ns+0x26a/0x290
[ 247.803787][ T5470] ? sysfs_warn_dup+0xa0/0xa0
[ 247.808673][ T5470] ? do_raw_spin_unlock+0x11d/0x230
[ 247.814338][ T5470] kobject_add_internal+0x6e0/0xd90
[ 247.819643][ T5470] kobject_init_and_add+0x128/0x190
[ 247.825023][ T5470] ? lockdep_softirqs_off+0x430/0x430
[ 247.830505][ T5470] ? kobject_add+0x230/0x230
[ 247.835195][ T5470] ? __init_swait_queue_head+0xa5/0x150
[ 247.840830][ T5470] gfs2_sys_fs_add+0x24f/0x4b0
[ 247.845681][ T5470] ? gfs2_recover_set+0x240/0x240
[ 247.850804][ T5470] ? snprintf+0xe5/0x140
[ 247.855081][ T5470] ? __free_pages+0x95/0x1a0
[ 247.859687][ T5470] ? vscnprintf+0x80/0x80
[ 247.864019][ T5470] gfs2_fill_super+0x120f/0x1f00
[ 247.869112][ T5470] ? gfs2_reconfigure+0xd30/0xd30
[ 247.874240][ T5470] ? sb_set_blocksize+0xa5/0xe0
[ 247.879353][ T5470] get_tree_bdev+0x3f1/0x610
[ 247.884146][ T5470] ? gfs2_reconfigure+0xd30/0xd30
[ 247.889341][ T5470] gfs2_get_tree+0x4d/0x1e0
[ 247.894120][ T5470] vfs_get_tree+0x88/0x270
[ 247.898620][ T5470] do_new_mount+0x24a/0xa40
[ 247.903216][ T5470] __se_sys_mount+0x2e3/0x3d0
[ 247.907983][ T5470] ? __x64_sys_mount+0xc0/0xc0
[ 247.912761][ T5470] ? lockdep_hardirqs_on+0x94/0x140
[ 247.918077][ T5470] ? __x64_sys_mount+0x1c/0xc0
[ 247.922929][ T5470] do_syscall_64+0x4c/0xa0
[ 247.927347][ T5470] ? clear_bhb_loop+0x30/0x80
[ 247.932222][ T5470] ? clear_bhb_loop+0x30/0x80
[ 247.937067][ T5470] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 247.943236][ T5470] RIP: 0033:0x7f6b4115160a
[ 247.947767][ T5470] 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
[ 247.967411][ T5470] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.976247][ T5470] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 247.984267][ T5470] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 247.992773][ T5470] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 248.000897][ T5470] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.008899][ T5470] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.017083][ T5470]
[ 248.021457][ T5470] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.035129][ T5470] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.374816][ T5472] loop1: detected capacity change from 0 to 32768
[ 248.430317][ T5472] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.437974][ T5472] CPU: 0 PID: 5472 Comm: syz.1.189 Not tainted syzkaller #0
[ 248.445434][ T5472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 248.455604][ T5472] Call Trace:
[ 248.458909][ T5472]
[ 248.461861][ T5472] dump_stack_lvl+0x188/0x250
[ 248.466834][ T5472] ? show_regs_print_info+0x20/0x20
[ 248.472096][ T5472] ? load_image+0x400/0x400
[ 248.476777][ T5472] sysfs_create_dir_ns+0x26a/0x290
[ 248.482170][ T5472] ? sysfs_warn_dup+0xa0/0xa0
[ 248.486973][ T5472] ? do_raw_spin_unlock+0x11d/0x230
[ 248.492385][ T5472] kobject_add_internal+0x6e0/0xd90
[ 248.497718][ T5472] kobject_init_and_add+0x128/0x190
[ 248.503121][ T5472] ? lockdep_softirqs_off+0x430/0x430
[ 248.508548][ T5472] ? kobject_add+0x230/0x230
[ 248.513265][ T5472] ? __init_swait_queue_head+0xa5/0x150
[ 248.519179][ T5472] gfs2_sys_fs_add+0x24f/0x4b0
[ 248.524309][ T5472] ? gfs2_recover_set+0x240/0x240
[ 248.529554][ T5472] ? snprintf+0xe5/0x140
[ 248.533935][ T5472] ? __free_pages+0x95/0x1a0
[ 248.538638][ T5472] ? vscnprintf+0x80/0x80
[ 248.543237][ T5472] gfs2_fill_super+0x120f/0x1f00
[ 248.548211][ T5472] ? gfs2_reconfigure+0xd30/0xd30
[ 248.553294][ T5472] ? sb_set_blocksize+0xa5/0xe0
[ 248.558161][ T5472] get_tree_bdev+0x3f1/0x610
[ 248.562968][ T5472] ? gfs2_reconfigure+0xd30/0xd30
[ 248.568101][ T5472] gfs2_get_tree+0x4d/0x1e0
[ 248.572601][ T5472] vfs_get_tree+0x88/0x270
[ 248.577136][ T5472] do_new_mount+0x24a/0xa40
[ 248.581635][ T5472] __se_sys_mount+0x2e3/0x3d0
[ 248.586388][ T5472] ? __x64_sys_mount+0xc0/0xc0
[ 248.591265][ T5472] ? lockdep_hardirqs_on+0x94/0x140
[ 248.596482][ T5472] ? __x64_sys_mount+0x1c/0xc0
[ 248.601280][ T5472] do_syscall_64+0x4c/0xa0
[ 248.605802][ T5472] ? clear_bhb_loop+0x30/0x80
[ 248.610482][ T5472] ? clear_bhb_loop+0x30/0x80
[ 248.615149][ T5472] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 248.621130][ T5472] RIP: 0033:0x7f6b4115160a
[ 248.625561][ T5472] 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
[ 248.645437][ T5472] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.654027][ T5472] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 248.662282][ T5472] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 248.670352][ T5472] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 248.678760][ T5472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 248.686915][ T5472] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 248.694996][ T5472]
[ 248.701062][ T5472] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.716666][ T5472] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.092576][ T5474] loop1: detected capacity change from 0 to 32768
[ 249.146167][ T5474] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.155423][ T5474] CPU: 1 PID: 5474 Comm: syz.1.190 Not tainted syzkaller #0
[ 249.162764][ T5474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 249.173029][ T5474] Call Trace:
[ 249.176337][ T5474]
[ 249.179473][ T5474] dump_stack_lvl+0x188/0x250
[ 249.184275][ T5474] ? show_regs_print_info+0x20/0x20
[ 249.189499][ T5474] ? load_image+0x400/0x400
[ 249.194179][ T5474] sysfs_create_dir_ns+0x26a/0x290
[ 249.199675][ T5474] ? sysfs_warn_dup+0xa0/0xa0
[ 249.204561][ T5474] ? do_raw_spin_unlock+0x11d/0x230
[ 249.209892][ T5474] kobject_add_internal+0x6e0/0xd90
[ 249.215213][ T5474] kobject_init_and_add+0x128/0x190
[ 249.220615][ T5474] ? lockdep_softirqs_off+0x430/0x430
[ 249.226552][ T5474] ? kobject_add+0x230/0x230
[ 249.231458][ T5474] ? __init_swait_queue_head+0xa5/0x150
[ 249.237037][ T5474] gfs2_sys_fs_add+0x24f/0x4b0
[ 249.241991][ T5474] ? gfs2_recover_set+0x240/0x240
[ 249.247122][ T5474] ? snprintf+0xe5/0x140
[ 249.251649][ T5474] ? __free_pages+0x95/0x1a0
[ 249.256626][ T5474] ? vscnprintf+0x80/0x80
[ 249.260973][ T5474] gfs2_fill_super+0x120f/0x1f00
[ 249.265926][ T5474] ? gfs2_reconfigure+0xd30/0xd30
[ 249.270962][ T5474] ? sb_set_blocksize+0xa5/0xe0
[ 249.275963][ T5474] get_tree_bdev+0x3f1/0x610
[ 249.280648][ T5474] ? gfs2_reconfigure+0xd30/0xd30
[ 249.285670][ T5474] gfs2_get_tree+0x4d/0x1e0
[ 249.290226][ T5474] vfs_get_tree+0x88/0x270
[ 249.294725][ T5474] do_new_mount+0x24a/0xa40
[ 249.299234][ T5474] __se_sys_mount+0x2e3/0x3d0
[ 249.303909][ T5474] ? __x64_sys_mount+0xc0/0xc0
[ 249.308689][ T5474] ? lockdep_hardirqs_on+0x94/0x140
[ 249.313977][ T5474] ? __x64_sys_mount+0x1c/0xc0
[ 249.318917][ T5474] do_syscall_64+0x4c/0xa0
[ 249.323532][ T5474] ? clear_bhb_loop+0x30/0x80
[ 249.328407][ T5474] ? clear_bhb_loop+0x30/0x80
[ 249.333215][ T5474] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 249.339496][ T5474] RIP: 0033:0x7f6b4115160a
[ 249.344188][ T5474] 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
[ 249.364784][ T5474] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.373332][ T5474] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 249.381414][ T5474] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 249.389568][ T5474] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 249.397743][ T5474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 249.405840][ T5474] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 249.414085][ T5474]
[ 249.418664][ T5474] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.432000][ T5474] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 249.813667][ T5476] loop1: detected capacity change from 0 to 32768
[ 249.870797][ T5476] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.879368][ T5476] CPU: 0 PID: 5476 Comm: syz.1.191 Not tainted syzkaller #0
[ 249.886715][ T5476] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 249.897239][ T5476] Call Trace:
[ 249.900730][ T5476]
[ 249.903696][ T5476] dump_stack_lvl+0x188/0x250
[ 249.908508][ T5476] ? show_regs_print_info+0x20/0x20
[ 249.913914][ T5476] ? load_image+0x400/0x400
[ 249.918475][ T5476] sysfs_create_dir_ns+0x26a/0x290
[ 249.923720][ T5476] ? sysfs_warn_dup+0xa0/0xa0
[ 249.928432][ T5476] ? do_raw_spin_unlock+0x11d/0x230
[ 249.934245][ T5476] kobject_add_internal+0x6e0/0xd90
[ 249.939634][ T5476] kobject_init_and_add+0x128/0x190
[ 249.944871][ T5476] ? lockdep_softirqs_off+0x430/0x430
[ 249.950275][ T5476] ? kobject_add+0x230/0x230
[ 249.954895][ T5476] ? __init_swait_queue_head+0xa5/0x150
[ 249.960760][ T5476] gfs2_sys_fs_add+0x24f/0x4b0
[ 249.965702][ T5476] ? gfs2_recover_set+0x240/0x240
[ 249.970901][ T5476] ? snprintf+0xe5/0x140
[ 249.975192][ T5476] ? __free_pages+0x95/0x1a0
[ 249.979791][ T5476] ? vscnprintf+0x80/0x80
[ 249.984489][ T5476] gfs2_fill_super+0x120f/0x1f00
[ 249.989463][ T5476] ? gfs2_reconfigure+0xd30/0xd30
[ 249.994726][ T5476] ? sb_set_blocksize+0xa5/0xe0
[ 249.999590][ T5476] get_tree_bdev+0x3f1/0x610
[ 250.004284][ T5476] ? gfs2_reconfigure+0xd30/0xd30
[ 250.009309][ T5476] gfs2_get_tree+0x4d/0x1e0
[ 250.013919][ T5476] vfs_get_tree+0x88/0x270
[ 250.018340][ T5476] do_new_mount+0x24a/0xa40
[ 250.022954][ T5476] __se_sys_mount+0x2e3/0x3d0
[ 250.027951][ T5476] ? __x64_sys_mount+0xc0/0xc0
[ 250.033070][ T5476] ? lockdep_hardirqs_on+0x94/0x140
[ 250.038386][ T5476] ? __x64_sys_mount+0x1c/0xc0
[ 250.043195][ T5476] do_syscall_64+0x4c/0xa0
[ 250.047781][ T5476] ? clear_bhb_loop+0x30/0x80
[ 250.052625][ T5476] ? clear_bhb_loop+0x30/0x80
[ 250.057391][ T5476] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.063363][ T5476] RIP: 0033:0x7f6b4115160a
[ 250.067791][ T5476] 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
[ 250.087700][ T5476] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.096422][ T5476] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 250.104733][ T5476] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 250.112901][ T5476] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 250.121056][ T5476] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.129217][ T5476] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.137309][ T5476]
[ 250.149541][ T5476] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.164790][ T5476] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:16:27 executed programs: 177
[ 250.514190][ T5478] loop1: detected capacity change from 0 to 32768
[ 250.579934][ T5478] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.590616][ T5478] CPU: 0 PID: 5478 Comm: syz.1.192 Not tainted syzkaller #0
[ 250.598043][ T5478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 250.608433][ T5478] Call Trace:
[ 250.611828][ T5478]
[ 250.614791][ T5478] dump_stack_lvl+0x188/0x250
[ 250.619518][ T5478] ? show_regs_print_info+0x20/0x20
[ 250.624748][ T5478] ? load_image+0x400/0x400
[ 250.629389][ T5478] sysfs_create_dir_ns+0x26a/0x290
[ 250.634715][ T5478] ? sysfs_warn_dup+0xa0/0xa0
[ 250.639619][ T5478] ? do_raw_spin_unlock+0x11d/0x230
[ 250.645036][ T5478] kobject_add_internal+0x6e0/0xd90
[ 250.650453][ T5478] kobject_init_and_add+0x128/0x190
[ 250.655692][ T5478] ? lockdep_softirqs_off+0x430/0x430
[ 250.661243][ T5478] ? kobject_add+0x230/0x230
[ 250.665953][ T5478] ? __init_swait_queue_head+0xa5/0x150
[ 250.671666][ T5478] gfs2_sys_fs_add+0x24f/0x4b0
[ 250.676468][ T5478] ? gfs2_recover_set+0x240/0x240
[ 250.682170][ T5478] ? snprintf+0xe5/0x140
[ 250.686424][ T5478] ? __free_pages+0x95/0x1a0
[ 250.691134][ T5478] ? vscnprintf+0x80/0x80
[ 250.695554][ T5478] gfs2_fill_super+0x120f/0x1f00
[ 250.700501][ T5478] ? gfs2_reconfigure+0xd30/0xd30
[ 250.705661][ T5478] ? sb_set_blocksize+0xa5/0xe0
[ 250.710594][ T5478] get_tree_bdev+0x3f1/0x610
[ 250.715428][ T5478] ? gfs2_reconfigure+0xd30/0xd30
[ 250.720658][ T5478] gfs2_get_tree+0x4d/0x1e0
[ 250.725339][ T5478] vfs_get_tree+0x88/0x270
[ 250.729754][ T5478] do_new_mount+0x24a/0xa40
[ 250.734256][ T5478] __se_sys_mount+0x2e3/0x3d0
[ 250.738964][ T5478] ? __x64_sys_mount+0xc0/0xc0
[ 250.743727][ T5478] ? lockdep_hardirqs_on+0x94/0x140
[ 250.749096][ T5478] ? __x64_sys_mount+0x1c/0xc0
[ 250.754132][ T5478] do_syscall_64+0x4c/0xa0
[ 250.758665][ T5478] ? clear_bhb_loop+0x30/0x80
[ 250.763347][ T5478] ? clear_bhb_loop+0x30/0x80
[ 250.768104][ T5478] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 250.774079][ T5478] RIP: 0033:0x7f6b4115160a
[ 250.778697][ T5478] 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
[ 250.798569][ T5478] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.807240][ T5478] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 250.815614][ T5478] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 250.823878][ T5478] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 250.831933][ T5478] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 250.840008][ T5478] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 250.847999][ T5478]
[ 250.853750][ T5478] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.867464][ T5478] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.204938][ T5480] loop1: detected capacity change from 0 to 32768
[ 251.216867][ T5480] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.224576][ T5480] CPU: 0 PID: 5480 Comm: syz.1.193 Not tainted syzkaller #0
[ 251.231895][ T5480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 251.242260][ T5480] Call Trace:
[ 251.245661][ T5480]
[ 251.248611][ T5480] dump_stack_lvl+0x188/0x250
[ 251.253611][ T5480] ? show_regs_print_info+0x20/0x20
[ 251.258838][ T5480] ? load_image+0x400/0x400
[ 251.263677][ T5480] sysfs_create_dir_ns+0x26a/0x290
[ 251.268792][ T5480] ? sysfs_warn_dup+0xa0/0xa0
[ 251.273551][ T5480] ? do_raw_spin_unlock+0x11d/0x230
[ 251.278774][ T5480] kobject_add_internal+0x6e0/0xd90
[ 251.284194][ T5480] kobject_init_and_add+0x128/0x190
[ 251.289484][ T5480] ? lockdep_softirqs_off+0x430/0x430
[ 251.294958][ T5480] ? kobject_add+0x230/0x230
[ 251.299658][ T5480] ? __init_swait_queue_head+0xa5/0x150
[ 251.305307][ T5480] gfs2_sys_fs_add+0x24f/0x4b0
[ 251.310170][ T5480] ? gfs2_recover_set+0x240/0x240
[ 251.315611][ T5480] ? snprintf+0xe5/0x140
[ 251.319870][ T5480] ? __free_pages+0x95/0x1a0
[ 251.324498][ T5480] ? vscnprintf+0x80/0x80
[ 251.328934][ T5480] gfs2_fill_super+0x120f/0x1f00
[ 251.333877][ T5480] ? gfs2_reconfigure+0xd30/0xd30
[ 251.338996][ T5480] ? sb_set_blocksize+0xa5/0xe0
[ 251.343870][ T5480] get_tree_bdev+0x3f1/0x610
[ 251.348660][ T5480] ? gfs2_reconfigure+0xd30/0xd30
[ 251.353816][ T5480] gfs2_get_tree+0x4d/0x1e0
[ 251.358579][ T5480] vfs_get_tree+0x88/0x270
[ 251.363025][ T5480] do_new_mount+0x24a/0xa40
[ 251.367555][ T5480] __se_sys_mount+0x2e3/0x3d0
[ 251.372321][ T5480] ? __x64_sys_mount+0xc0/0xc0
[ 251.377099][ T5480] ? lockdep_hardirqs_on+0x94/0x140
[ 251.382577][ T5480] ? __x64_sys_mount+0x1c/0xc0
[ 251.387335][ T5480] do_syscall_64+0x4c/0xa0
[ 251.391852][ T5480] ? clear_bhb_loop+0x30/0x80
[ 251.396527][ T5480] ? clear_bhb_loop+0x30/0x80
[ 251.401296][ T5480] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 251.407283][ T5480] RIP: 0033:0x7f6b4115160a
[ 251.411854][ T5480] 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
[ 251.431939][ T5480] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.440459][ T5480] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 251.448697][ T5480] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 251.456844][ T5480] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 251.465011][ T5480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 251.473000][ T5480] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 251.481064][ T5480]
[ 251.485672][ T5480] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.499028][ T5480] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.854310][ T5482] loop1: detected capacity change from 0 to 32768
[ 251.910535][ T5482] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.919220][ T5482] CPU: 0 PID: 5482 Comm: syz.1.194 Not tainted syzkaller #0
[ 251.926818][ T5482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 251.936908][ T5482] Call Trace:
[ 251.940232][ T5482]
[ 251.943183][ T5482] dump_stack_lvl+0x188/0x250
[ 251.947890][ T5482] ? show_regs_print_info+0x20/0x20
[ 251.953123][ T5482] ? load_image+0x400/0x400
[ 251.957919][ T5482] sysfs_create_dir_ns+0x26a/0x290
[ 251.963071][ T5482] ? sysfs_warn_dup+0xa0/0xa0
[ 251.967777][ T5482] ? do_raw_spin_unlock+0x11d/0x230
[ 251.973095][ T5482] kobject_add_internal+0x6e0/0xd90
[ 251.978426][ T5482] kobject_init_and_add+0x128/0x190
[ 251.983697][ T5482] ? lockdep_softirqs_off+0x430/0x430
[ 251.989269][ T5482] ? kobject_add+0x230/0x230
[ 251.993984][ T5482] ? __init_swait_queue_head+0xa5/0x150
[ 251.999528][ T5482] gfs2_sys_fs_add+0x24f/0x4b0
[ 252.004284][ T5482] ? gfs2_recover_set+0x240/0x240
[ 252.009329][ T5482] ? snprintf+0xe5/0x140
[ 252.013598][ T5482] ? __free_pages+0x95/0x1a0
[ 252.018301][ T5482] ? vscnprintf+0x80/0x80
[ 252.022694][ T5482] gfs2_fill_super+0x120f/0x1f00
[ 252.027759][ T5482] ? gfs2_reconfigure+0xd30/0xd30
[ 252.033110][ T5482] ? sb_set_blocksize+0xa5/0xe0
[ 252.038274][ T5482] get_tree_bdev+0x3f1/0x610
[ 252.042966][ T5482] ? gfs2_reconfigure+0xd30/0xd30
[ 252.048184][ T5482] gfs2_get_tree+0x4d/0x1e0
[ 252.052788][ T5482] vfs_get_tree+0x88/0x270
[ 252.057408][ T5482] do_new_mount+0x24a/0xa40
[ 252.061997][ T5482] __se_sys_mount+0x2e3/0x3d0
[ 252.066680][ T5482] ? __x64_sys_mount+0xc0/0xc0
[ 252.071548][ T5482] ? lockdep_hardirqs_on+0x94/0x140
[ 252.076853][ T5482] ? __x64_sys_mount+0x1c/0xc0
[ 252.081907][ T5482] do_syscall_64+0x4c/0xa0
[ 252.086626][ T5482] ? clear_bhb_loop+0x30/0x80
[ 252.091494][ T5482] ? clear_bhb_loop+0x30/0x80
[ 252.096276][ T5482] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.102262][ T5482] RIP: 0033:0x7f6b4115160a
[ 252.106932][ T5482] 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
[ 252.126911][ T5482] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.135469][ T5482] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 252.143544][ T5482] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 252.151692][ T5482] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 252.159748][ T5482] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.167886][ T5482] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.175960][ T5482]
[ 252.180791][ T5482] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.194370][ T5482] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.556523][ T5484] loop1: detected capacity change from 0 to 32768
[ 252.589857][ T5484] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.600653][ T5484] CPU: 0 PID: 5484 Comm: syz.1.195 Not tainted syzkaller #0
[ 252.608228][ T5484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 252.618418][ T5484] Call Trace:
[ 252.621732][ T5484]
[ 252.624692][ T5484] dump_stack_lvl+0x188/0x250
[ 252.629405][ T5484] ? show_regs_print_info+0x20/0x20
[ 252.634648][ T5484] ? load_image+0x400/0x400
[ 252.639212][ T5484] sysfs_create_dir_ns+0x26a/0x290
[ 252.644353][ T5484] ? sysfs_warn_dup+0xa0/0xa0
[ 252.649264][ T5484] ? do_raw_spin_unlock+0x11d/0x230
[ 252.654517][ T5484] kobject_add_internal+0x6e0/0xd90
[ 252.660034][ T5484] kobject_init_and_add+0x128/0x190
[ 252.665608][ T5484] ? lockdep_softirqs_off+0x430/0x430
[ 252.671317][ T5484] ? kobject_add+0x230/0x230
[ 252.676034][ T5484] ? __init_swait_queue_head+0xa5/0x150
[ 252.681902][ T5484] gfs2_sys_fs_add+0x24f/0x4b0
[ 252.686709][ T5484] ? gfs2_recover_set+0x240/0x240
[ 252.691931][ T5484] ? snprintf+0xe5/0x140
[ 252.696182][ T5484] ? __free_pages+0x95/0x1a0
[ 252.700943][ T5484] ? vscnprintf+0x80/0x80
[ 252.705368][ T5484] gfs2_fill_super+0x120f/0x1f00
[ 252.706634][ T4674] Bluetooth: hci1: command 0x0406 tx timeout
[ 252.710641][ T5484] ? gfs2_reconfigure+0xd30/0xd30
[ 252.722100][ T5484] ? sb_set_blocksize+0xa5/0xe0
[ 252.727264][ T5484] get_tree_bdev+0x3f1/0x610
[ 252.731900][ T5484] ? gfs2_reconfigure+0xd30/0xd30
[ 252.737120][ T5484] gfs2_get_tree+0x4d/0x1e0
[ 252.741645][ T5484] vfs_get_tree+0x88/0x270
[ 252.746141][ T5484] do_new_mount+0x24a/0xa40
[ 252.750650][ T5484] __se_sys_mount+0x2e3/0x3d0
[ 252.755499][ T5484] ? __x64_sys_mount+0xc0/0xc0
[ 252.760344][ T5484] ? lockdep_hardirqs_on+0x94/0x140
[ 252.765651][ T5484] ? __x64_sys_mount+0x1c/0xc0
[ 252.770616][ T5484] do_syscall_64+0x4c/0xa0
[ 252.775965][ T5484] ? clear_bhb_loop+0x30/0x80
[ 252.780787][ T5484] ? clear_bhb_loop+0x30/0x80
[ 252.785671][ T5484] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 252.791564][ T5484] RIP: 0033:0x7f6b4115160a
[ 252.795981][ T5484] 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
[ 252.815905][ T5484] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.824415][ T5484] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 252.832511][ T5484] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 252.840901][ T5484] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 252.848893][ T5484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 252.857167][ T5484] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 252.865241][ T5484]
[ 252.869634][ T5484] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.883022][ T5484] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.265375][ T5486] loop1: detected capacity change from 0 to 32768
[ 253.284333][ T5486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.294475][ T5486] CPU: 0 PID: 5486 Comm: syz.1.196 Not tainted syzkaller #0
[ 253.301800][ T5486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 253.312253][ T5486] Call Trace:
[ 253.315571][ T5486]
[ 253.318636][ T5486] dump_stack_lvl+0x188/0x250
[ 253.323451][ T5486] ? show_regs_print_info+0x20/0x20
[ 253.328778][ T5486] ? load_image+0x400/0x400
[ 253.333413][ T5486] sysfs_create_dir_ns+0x26a/0x290
[ 253.338558][ T5486] ? sysfs_warn_dup+0xa0/0xa0
[ 253.343262][ T5486] ? do_raw_spin_unlock+0x11d/0x230
[ 253.348471][ T5486] kobject_add_internal+0x6e0/0xd90
[ 253.353686][ T5486] kobject_init_and_add+0x128/0x190
[ 253.358897][ T5486] ? lockdep_softirqs_off+0x430/0x430
[ 253.364473][ T5486] ? kobject_add+0x230/0x230
[ 253.369078][ T5486] ? __init_swait_queue_head+0xa5/0x150
[ 253.374721][ T5486] gfs2_sys_fs_add+0x24f/0x4b0
[ 253.379483][ T5486] ? gfs2_recover_set+0x240/0x240
[ 253.384597][ T5486] ? snprintf+0xe5/0x140
[ 253.388843][ T5486] ? __free_pages+0x95/0x1a0
[ 253.393442][ T5486] ? vscnprintf+0x80/0x80
[ 253.397883][ T5486] gfs2_fill_super+0x120f/0x1f00
[ 253.402855][ T5486] ? gfs2_reconfigure+0xd30/0xd30
[ 253.407914][ T5486] ? sb_set_blocksize+0xa5/0xe0
[ 253.412761][ T5486] get_tree_bdev+0x3f1/0x610
[ 253.417445][ T5486] ? gfs2_reconfigure+0xd30/0xd30
[ 253.422483][ T5486] gfs2_get_tree+0x4d/0x1e0
[ 253.427066][ T5486] vfs_get_tree+0x88/0x270
[ 253.431499][ T5486] do_new_mount+0x24a/0xa40
[ 253.436094][ T5486] __se_sys_mount+0x2e3/0x3d0
[ 253.440971][ T5486] ? __x64_sys_mount+0xc0/0xc0
[ 253.445736][ T5486] ? lockdep_hardirqs_on+0x94/0x140
[ 253.450922][ T5486] ? __x64_sys_mount+0x1c/0xc0
[ 253.455705][ T5486] do_syscall_64+0x4c/0xa0
[ 253.460287][ T5486] ? clear_bhb_loop+0x30/0x80
[ 253.465046][ T5486] ? clear_bhb_loop+0x30/0x80
[ 253.469715][ T5486] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.475885][ T5486] RIP: 0033:0x7f6b4115160a
[ 253.480406][ T5486] 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
[ 253.500806][ T5486] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.509583][ T5486] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 253.517647][ T5486] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 253.525635][ T5486] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 253.534079][ T5486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.542424][ T5486] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.550409][ T5486]
[ 253.554789][ T5486] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.568449][ T5486] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.932286][ T5488] loop1: detected capacity change from 0 to 32768
[ 254.005260][ T5488] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.017184][ T5488] CPU: 0 PID: 5488 Comm: syz.1.197 Not tainted syzkaller #0
[ 254.024529][ T5488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 254.034900][ T5488] Call Trace:
[ 254.038381][ T5488]
[ 254.041436][ T5488] dump_stack_lvl+0x188/0x250
[ 254.046336][ T5488] ? show_regs_print_info+0x20/0x20
[ 254.051562][ T5488] ? load_image+0x400/0x400
[ 254.056213][ T5488] sysfs_create_dir_ns+0x26a/0x290
[ 254.061618][ T5488] ? sysfs_warn_dup+0xa0/0xa0
[ 254.066335][ T5488] ? do_raw_spin_unlock+0x11d/0x230
[ 254.071655][ T5488] kobject_add_internal+0x6e0/0xd90
[ 254.076989][ T5488] kobject_init_and_add+0x128/0x190
[ 254.082306][ T5488] ? lockdep_softirqs_off+0x430/0x430
[ 254.087807][ T5488] ? kobject_add+0x230/0x230
[ 254.092457][ T5488] ? __init_swait_queue_head+0xa5/0x150
[ 254.098162][ T5488] gfs2_sys_fs_add+0x24f/0x4b0
[ 254.102972][ T5488] ? gfs2_recover_set+0x240/0x240
[ 254.108014][ T5488] ? snprintf+0xe5/0x140
[ 254.112289][ T5488] ? __free_pages+0x95/0x1a0
[ 254.116985][ T5488] ? vscnprintf+0x80/0x80
[ 254.121474][ T5488] gfs2_fill_super+0x120f/0x1f00
[ 254.126413][ T5488] ? gfs2_reconfigure+0xd30/0xd30
[ 254.131709][ T5488] ? sb_set_blocksize+0xa5/0xe0
[ 254.136652][ T5488] get_tree_bdev+0x3f1/0x610
[ 254.141366][ T5488] ? gfs2_reconfigure+0xd30/0xd30
[ 254.146669][ T5488] gfs2_get_tree+0x4d/0x1e0
[ 254.151275][ T5488] vfs_get_tree+0x88/0x270
[ 254.155859][ T5488] do_new_mount+0x24a/0xa40
[ 254.160454][ T5488] __se_sys_mount+0x2e3/0x3d0
[ 254.165144][ T5488] ? __x64_sys_mount+0xc0/0xc0
[ 254.170176][ T5488] ? lockdep_hardirqs_on+0x94/0x140
[ 254.175377][ T5488] ? __x64_sys_mount+0x1c/0xc0
[ 254.180140][ T5488] do_syscall_64+0x4c/0xa0
[ 254.184660][ T5488] ? clear_bhb_loop+0x30/0x80
[ 254.189331][ T5488] ? clear_bhb_loop+0x30/0x80
[ 254.194074][ T5488] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.200158][ T5488] RIP: 0033:0x7f6b4115160a
[ 254.204572][ T5488] 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
[ 254.224179][ T5488] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.232602][ T5488] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 254.240674][ T5488] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 254.248744][ T5488] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 254.256743][ T5488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.265002][ T5488] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.273047][ T5488]
[ 254.278180][ T5488] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.291805][ T5488] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.639345][ T5490] loop1: detected capacity change from 0 to 32768
[ 254.688619][ T5490] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.696152][ T5490] CPU: 0 PID: 5490 Comm: syz.1.198 Not tainted syzkaller #0
[ 254.703912][ T5490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 254.714429][ T5490] Call Trace:
[ 254.717743][ T5490]
[ 254.720797][ T5490] dump_stack_lvl+0x188/0x250
[ 254.725656][ T5490] ? show_regs_print_info+0x20/0x20
[ 254.730895][ T5490] ? load_image+0x400/0x400
[ 254.735654][ T5490] sysfs_create_dir_ns+0x26a/0x290
[ 254.740801][ T5490] ? sysfs_warn_dup+0xa0/0xa0
[ 254.745527][ T5490] ? do_raw_spin_unlock+0x11d/0x230
[ 254.750758][ T5490] kobject_add_internal+0x6e0/0xd90
[ 254.756226][ T5490] kobject_init_and_add+0x128/0x190
[ 254.761449][ T5490] ? lockdep_softirqs_off+0x430/0x430
[ 254.766940][ T5490] ? kobject_add+0x230/0x230
[ 254.772371][ T5490] ? __init_swait_queue_head+0xa5/0x150
[ 254.778361][ T5490] gfs2_sys_fs_add+0x24f/0x4b0
[ 254.783332][ T5490] ? gfs2_recover_set+0x240/0x240
[ 254.788395][ T5490] ? snprintf+0xe5/0x140
[ 254.792859][ T5490] ? __free_pages+0x95/0x1a0
[ 254.797621][ T5490] ? vscnprintf+0x80/0x80
[ 254.802211][ T5490] gfs2_fill_super+0x120f/0x1f00
[ 254.807252][ T5490] ? gfs2_reconfigure+0xd30/0xd30
[ 254.812284][ T5490] ? sb_set_blocksize+0xa5/0xe0
[ 254.817306][ T5490] get_tree_bdev+0x3f1/0x610
[ 254.821896][ T5490] ? gfs2_reconfigure+0xd30/0xd30
[ 254.827243][ T5490] gfs2_get_tree+0x4d/0x1e0
[ 254.831827][ T5490] vfs_get_tree+0x88/0x270
[ 254.836405][ T5490] do_new_mount+0x24a/0xa40
[ 254.840908][ T5490] __se_sys_mount+0x2e3/0x3d0
[ 254.845635][ T5490] ? __x64_sys_mount+0xc0/0xc0
[ 254.850392][ T5490] ? lockdep_hardirqs_on+0x94/0x140
[ 254.855592][ T5490] ? __x64_sys_mount+0x1c/0xc0
[ 254.860558][ T5490] do_syscall_64+0x4c/0xa0
[ 254.865193][ T5490] ? clear_bhb_loop+0x30/0x80
[ 254.870212][ T5490] ? clear_bhb_loop+0x30/0x80
[ 254.875079][ T5490] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.881181][ T5490] RIP: 0033:0x7f6b4115160a
[ 254.885593][ T5490] 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
[ 254.905386][ T5490] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.914233][ T5490] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 254.922478][ T5490] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 254.930547][ T5490] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 254.938692][ T5490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.946982][ T5490] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.955258][ T5490]
[ 254.960426][ T5490] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.974230][ T5490] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.325565][ T5492] loop1: detected capacity change from 0 to 32768
[ 255.377747][ T5492] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.385458][ T5492] CPU: 0 PID: 5492 Comm: syz.1.199 Not tainted syzkaller #0
[ 255.393099][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 255.403378][ T5492] Call Trace:
[ 255.406692][ T5492]
[ 255.409648][ T5492] dump_stack_lvl+0x188/0x250
[ 255.414591][ T5492] ? show_regs_print_info+0x20/0x20
[ 255.419922][ T5492] ? load_image+0x400/0x400
[ 255.424499][ T5492] sysfs_create_dir_ns+0x26a/0x290
[ 255.429747][ T5492] ? sysfs_warn_dup+0xa0/0xa0
[ 255.434503][ T5492] ? do_raw_spin_unlock+0x11d/0x230
[ 255.439738][ T5492] kobject_add_internal+0x6e0/0xd90
[ 255.445152][ T5492] kobject_init_and_add+0x128/0x190
[ 255.450573][ T5492] ? lockdep_softirqs_off+0x430/0x430
[ 255.456194][ T5492] ? kobject_add+0x230/0x230
[ 255.460921][ T5492] ? __init_swait_queue_head+0xa5/0x150
[ 255.466774][ T5492] gfs2_sys_fs_add+0x24f/0x4b0
[ 255.471765][ T5492] ? gfs2_recover_set+0x240/0x240
[ 255.476890][ T5492] ? snprintf+0xe5/0x140
[ 255.481431][ T5492] ? __free_pages+0x95/0x1a0
[ 255.486113][ T5492] ? vscnprintf+0x80/0x80
[ 255.490628][ T5492] gfs2_fill_super+0x120f/0x1f00
[ 255.495745][ T5492] ? gfs2_reconfigure+0xd30/0xd30
[ 255.500865][ T5492] ? sb_set_blocksize+0xa5/0xe0
[ 255.506104][ T5492] get_tree_bdev+0x3f1/0x610
[ 255.510785][ T5492] ? gfs2_reconfigure+0xd30/0xd30
[ 255.515825][ T5492] gfs2_get_tree+0x4d/0x1e0
[ 255.520428][ T5492] vfs_get_tree+0x88/0x270
[ 255.524924][ T5492] do_new_mount+0x24a/0xa40
[ 255.529425][ T5492] __se_sys_mount+0x2e3/0x3d0
[ 255.534363][ T5492] ? __x64_sys_mount+0xc0/0xc0
[ 255.539307][ T5492] ? lockdep_hardirqs_on+0x94/0x140
[ 255.544595][ T5492] ? __x64_sys_mount+0x1c/0xc0
[ 255.549723][ T5492] do_syscall_64+0x4c/0xa0
[ 255.554316][ T5492] ? clear_bhb_loop+0x30/0x80
[ 255.559145][ T5492] ? clear_bhb_loop+0x30/0x80
[ 255.563917][ T5492] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.570156][ T5492] RIP: 0033:0x7f6b4115160a
[ 255.574593][ T5492] 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
[ 255.595546][ T5492] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.604212][ T5492] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 255.612192][ T5492] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 255.620380][ T5492] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 255.628597][ T5492] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.636678][ T5492] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.644682][ T5492]
[ 255.649200][ T5492] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.663474][ T5492] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.758034][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.764483][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
2026/01/31 15:16:32 executed programs: 185
[ 256.032704][ T5494] loop1: detected capacity change from 0 to 32768
[ 256.094609][ T5494] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.106135][ T5494] CPU: 0 PID: 5494 Comm: syz.1.200 Not tainted syzkaller #0
[ 256.113657][ T5494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 256.124090][ T5494] Call Trace:
[ 256.127487][ T5494]
[ 256.130698][ T5494] dump_stack_lvl+0x188/0x250
[ 256.135776][ T5494] ? show_regs_print_info+0x20/0x20
[ 256.141208][ T5494] ? load_image+0x400/0x400
[ 256.145844][ T5494] sysfs_create_dir_ns+0x26a/0x290
[ 256.151073][ T5494] ? sysfs_warn_dup+0xa0/0xa0
[ 256.156115][ T5494] ? do_raw_spin_unlock+0x11d/0x230
[ 256.161526][ T5494] kobject_add_internal+0x6e0/0xd90
[ 256.166774][ T5494] kobject_init_and_add+0x128/0x190
[ 256.172086][ T5494] ? lockdep_softirqs_off+0x430/0x430
[ 256.177527][ T5494] ? kobject_add+0x230/0x230
[ 256.182174][ T5494] ? __init_swait_queue_head+0xa5/0x150
[ 256.188036][ T5494] gfs2_sys_fs_add+0x24f/0x4b0
[ 256.192924][ T5494] ? gfs2_recover_set+0x240/0x240
[ 256.198068][ T5494] ? snprintf+0xe5/0x140
[ 256.202312][ T5494] ? __free_pages+0x95/0x1a0
[ 256.207256][ T5494] ? vscnprintf+0x80/0x80
[ 256.211781][ T5494] gfs2_fill_super+0x120f/0x1f00
[ 256.217273][ T5494] ? gfs2_reconfigure+0xd30/0xd30
[ 256.222489][ T5494] ? sb_set_blocksize+0xa5/0xe0
[ 256.227524][ T5494] get_tree_bdev+0x3f1/0x610
[ 256.232305][ T5494] ? gfs2_reconfigure+0xd30/0xd30
[ 256.237429][ T5494] gfs2_get_tree+0x4d/0x1e0
[ 256.242058][ T5494] vfs_get_tree+0x88/0x270
[ 256.246562][ T5494] do_new_mount+0x24a/0xa40
[ 256.251415][ T5494] __se_sys_mount+0x2e3/0x3d0
[ 256.256192][ T5494] ? __x64_sys_mount+0xc0/0xc0
[ 256.261034][ T5494] ? lockdep_hardirqs_on+0x94/0x140
[ 256.266429][ T5494] ? __x64_sys_mount+0x1c/0xc0
[ 256.271369][ T5494] do_syscall_64+0x4c/0xa0
[ 256.275800][ T5494] ? clear_bhb_loop+0x30/0x80
[ 256.280594][ T5494] ? clear_bhb_loop+0x30/0x80
[ 256.285285][ T5494] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.291267][ T5494] RIP: 0033:0x7f6b4115160a
[ 256.295777][ T5494] 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
[ 256.315964][ T5494] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.324476][ T5494] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 256.332457][ T5494] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 256.340516][ T5494] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 256.348806][ T5494] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.357215][ T5494] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.365434][ T5494]
[ 256.370177][ T5494] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.383498][ T5494] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.760593][ T5496] loop1: detected capacity change from 0 to 32768
[ 256.837134][ T5496] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.844925][ T5496] CPU: 1 PID: 5496 Comm: syz.1.201 Not tainted syzkaller #0
[ 256.852502][ T5496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 256.862771][ T5496] Call Trace:
[ 256.866160][ T5496]
[ 256.869123][ T5496] dump_stack_lvl+0x188/0x250
[ 256.873931][ T5496] ? show_regs_print_info+0x20/0x20
[ 256.879250][ T5496] ? load_image+0x400/0x400
[ 256.884005][ T5496] sysfs_create_dir_ns+0x26a/0x290
[ 256.889258][ T5496] ? sysfs_warn_dup+0xa0/0xa0
[ 256.894259][ T5496] ? do_raw_spin_unlock+0x11d/0x230
[ 256.899496][ T5496] kobject_add_internal+0x6e0/0xd90
[ 256.905035][ T5496] kobject_init_and_add+0x128/0x190
[ 256.910271][ T5496] ? lockdep_softirqs_off+0x430/0x430
[ 256.916052][ T5496] ? kobject_add+0x230/0x230
[ 256.920870][ T5496] ? __init_swait_queue_head+0xa5/0x150
[ 256.926624][ T5496] gfs2_sys_fs_add+0x24f/0x4b0
[ 256.931721][ T5496] ? gfs2_recover_set+0x240/0x240
[ 256.937446][ T5496] ? snprintf+0xe5/0x140
[ 256.941807][ T5496] ? __free_pages+0x95/0x1a0
[ 256.946607][ T5496] ? vscnprintf+0x80/0x80
[ 256.951068][ T5496] gfs2_fill_super+0x120f/0x1f00
[ 256.956145][ T5496] ? gfs2_reconfigure+0xd30/0xd30
[ 256.961281][ T5496] ? sb_set_blocksize+0xa5/0xe0
[ 256.966260][ T5496] get_tree_bdev+0x3f1/0x610
[ 256.971102][ T5496] ? gfs2_reconfigure+0xd30/0xd30
[ 256.976148][ T5496] gfs2_get_tree+0x4d/0x1e0
[ 256.980684][ T5496] vfs_get_tree+0x88/0x270
[ 256.985206][ T5496] do_new_mount+0x24a/0xa40
[ 256.989724][ T5496] __se_sys_mount+0x2e3/0x3d0
[ 256.994407][ T5496] ? __x64_sys_mount+0xc0/0xc0
[ 256.999201][ T5496] ? lockdep_hardirqs_on+0x94/0x140
[ 257.004504][ T5496] ? __x64_sys_mount+0x1c/0xc0
[ 257.009437][ T5496] do_syscall_64+0x4c/0xa0
[ 257.013932][ T5496] ? clear_bhb_loop+0x30/0x80
[ 257.018605][ T5496] ? clear_bhb_loop+0x30/0x80
[ 257.023452][ T5496] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.029423][ T5496] RIP: 0033:0x7f6b4115160a
[ 257.033985][ T5496] 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
[ 257.054622][ T5496] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.063410][ T5496] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 257.071576][ T5496] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 257.079724][ T5496] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 257.087995][ T5496] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.096198][ T5496] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.104461][ T5496]
[ 257.109202][ T5496] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.123224][ T5496] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.468445][ T5498] loop1: detected capacity change from 0 to 32768
[ 257.529900][ T5498] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.538299][ T5498] CPU: 1 PID: 5498 Comm: syz.1.202 Not tainted syzkaller #0
[ 257.545619][ T5498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 257.556252][ T5498] Call Trace:
[ 257.559823][ T5498]
[ 257.562880][ T5498] dump_stack_lvl+0x188/0x250
[ 257.567708][ T5498] ? show_regs_print_info+0x20/0x20
[ 257.572937][ T5498] ? load_image+0x400/0x400
[ 257.577599][ T5498] sysfs_create_dir_ns+0x26a/0x290
[ 257.583177][ T5498] ? sysfs_warn_dup+0xa0/0xa0
[ 257.587991][ T5498] ? do_raw_spin_unlock+0x11d/0x230
[ 257.593227][ T5498] kobject_add_internal+0x6e0/0xd90
[ 257.598473][ T5498] kobject_init_and_add+0x128/0x190
[ 257.603712][ T5498] ? lockdep_softirqs_off+0x430/0x430
[ 257.609125][ T5498] ? kobject_add+0x230/0x230
[ 257.613756][ T5498] ? __init_swait_queue_head+0xa5/0x150
[ 257.619519][ T5498] gfs2_sys_fs_add+0x24f/0x4b0
[ 257.624388][ T5498] ? gfs2_recover_set+0x240/0x240
[ 257.629414][ T5498] ? snprintf+0xe5/0x140
[ 257.633740][ T5498] ? __free_pages+0x95/0x1a0
[ 257.638334][ T5498] ? vscnprintf+0x80/0x80
[ 257.642692][ T5498] gfs2_fill_super+0x120f/0x1f00
[ 257.647735][ T5498] ? gfs2_reconfigure+0xd30/0xd30
[ 257.652775][ T5498] ? sb_set_blocksize+0xa5/0xe0
[ 257.658016][ T5498] get_tree_bdev+0x3f1/0x610
[ 257.662844][ T5498] ? gfs2_reconfigure+0xd30/0xd30
[ 257.668180][ T5498] gfs2_get_tree+0x4d/0x1e0
[ 257.672951][ T5498] vfs_get_tree+0x88/0x270
[ 257.677470][ T5498] do_new_mount+0x24a/0xa40
[ 257.682089][ T5498] __se_sys_mount+0x2e3/0x3d0
[ 257.687043][ T5498] ? __x64_sys_mount+0xc0/0xc0
[ 257.691917][ T5498] ? lockdep_hardirqs_on+0x94/0x140
[ 257.697217][ T5498] ? __x64_sys_mount+0x1c/0xc0
[ 257.702148][ T5498] do_syscall_64+0x4c/0xa0
[ 257.706663][ T5498] ? clear_bhb_loop+0x30/0x80
[ 257.711423][ T5498] ? clear_bhb_loop+0x30/0x80
[ 257.716178][ T5498] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.722067][ T5498] RIP: 0033:0x7f6b4115160a
[ 257.726482][ T5498] 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
[ 257.746451][ T5498] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.755109][ T5498] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 257.763116][ T5498] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 257.772040][ T5498] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 257.780638][ T5498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.788808][ T5498] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.796889][ T5498]
[ 257.801185][ T5498] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.814776][ T5498] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.157296][ T5500] loop1: detected capacity change from 0 to 32768
[ 258.231053][ T5500] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.238767][ T5500] CPU: 1 PID: 5500 Comm: syz.1.203 Not tainted syzkaller #0
[ 258.246173][ T5500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 258.256531][ T5500] Call Trace:
[ 258.260034][ T5500]
[ 258.263000][ T5500] dump_stack_lvl+0x188/0x250
[ 258.267718][ T5500] ? show_regs_print_info+0x20/0x20
[ 258.272960][ T5500] ? load_image+0x400/0x400
[ 258.277510][ T5500] sysfs_create_dir_ns+0x26a/0x290
[ 258.282661][ T5500] ? sysfs_warn_dup+0xa0/0xa0
[ 258.287375][ T5500] ? do_raw_spin_unlock+0x11d/0x230
[ 258.292699][ T5500] kobject_add_internal+0x6e0/0xd90
[ 258.297928][ T5500] kobject_init_and_add+0x128/0x190
[ 258.303436][ T5500] ? lockdep_softirqs_off+0x430/0x430
[ 258.308896][ T5500] ? kobject_add+0x230/0x230
[ 258.313567][ T5500] ? __init_swait_queue_head+0xa5/0x150
[ 258.319746][ T5500] gfs2_sys_fs_add+0x24f/0x4b0
[ 258.324614][ T5500] ? gfs2_recover_set+0x240/0x240
[ 258.329815][ T5500] ? snprintf+0xe5/0x140
[ 258.334195][ T5500] ? __free_pages+0x95/0x1a0
[ 258.338866][ T5500] ? vscnprintf+0x80/0x80
[ 258.343298][ T5500] gfs2_fill_super+0x120f/0x1f00
[ 258.348244][ T5500] ? gfs2_reconfigure+0xd30/0xd30
[ 258.353280][ T5500] ? sb_set_blocksize+0xa5/0xe0
[ 258.358123][ T5500] get_tree_bdev+0x3f1/0x610
[ 258.362711][ T5500] ? gfs2_reconfigure+0xd30/0xd30
[ 258.367820][ T5500] gfs2_get_tree+0x4d/0x1e0
[ 258.372342][ T5500] vfs_get_tree+0x88/0x270
[ 258.376756][ T5500] do_new_mount+0x24a/0xa40
[ 258.381344][ T5500] __se_sys_mount+0x2e3/0x3d0
[ 258.386019][ T5500] ? __x64_sys_mount+0xc0/0xc0
[ 258.390952][ T5500] ? lockdep_hardirqs_on+0x94/0x140
[ 258.396375][ T5500] ? __x64_sys_mount+0x1c/0xc0
[ 258.401249][ T5500] do_syscall_64+0x4c/0xa0
[ 258.405668][ T5500] ? clear_bhb_loop+0x30/0x80
[ 258.410424][ T5500] ? clear_bhb_loop+0x30/0x80
[ 258.415291][ T5500] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.421529][ T5500] RIP: 0033:0x7f6b4115160a
[ 258.425949][ T5500] 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
[ 258.445555][ T5500] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.454217][ T5500] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 258.462715][ T5500] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 258.470874][ T5500] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 258.479184][ T5500] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.487244][ T5500] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 258.495321][ T5500]
[ 258.499868][ T5500] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.513674][ T5500] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.877685][ T5502] loop1: detected capacity change from 0 to 32768
[ 258.923532][ T5502] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.931219][ T5502] CPU: 0 PID: 5502 Comm: syz.1.204 Not tainted syzkaller #0
[ 258.938547][ T5502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 258.948861][ T5502] Call Trace:
[ 258.952370][ T5502]
[ 258.955434][ T5502] dump_stack_lvl+0x188/0x250
[ 258.960340][ T5502] ? show_regs_print_info+0x20/0x20
[ 258.965745][ T5502] ? load_image+0x400/0x400
[ 258.970405][ T5502] sysfs_create_dir_ns+0x26a/0x290
[ 258.975771][ T5502] ? sysfs_warn_dup+0xa0/0xa0
[ 258.980582][ T5502] ? do_raw_spin_unlock+0x11d/0x230
[ 258.985828][ T5502] kobject_add_internal+0x6e0/0xd90
[ 258.991358][ T5502] kobject_init_and_add+0x128/0x190
[ 258.996607][ T5502] ? lockdep_softirqs_off+0x430/0x430
[ 259.002023][ T5502] ? kobject_add+0x230/0x230
[ 259.006827][ T5502] ? __init_swait_queue_head+0xa5/0x150
[ 259.012739][ T5502] gfs2_sys_fs_add+0x24f/0x4b0
[ 259.017510][ T5502] ? gfs2_recover_set+0x240/0x240
[ 259.022778][ T5502] ? snprintf+0xe5/0x140
[ 259.027031][ T5502] ? __free_pages+0x95/0x1a0
[ 259.031820][ T5502] ? vscnprintf+0x80/0x80
[ 259.036170][ T5502] gfs2_fill_super+0x120f/0x1f00
[ 259.041221][ T5502] ? gfs2_reconfigure+0xd30/0xd30
[ 259.046287][ T5502] ? sb_set_blocksize+0xa5/0xe0
[ 259.051134][ T5502] get_tree_bdev+0x3f1/0x610
[ 259.055722][ T5502] ? gfs2_reconfigure+0xd30/0xd30
[ 259.060737][ T5502] gfs2_get_tree+0x4d/0x1e0
[ 259.065248][ T5502] vfs_get_tree+0x88/0x270
[ 259.069677][ T5502] do_new_mount+0x24a/0xa40
[ 259.074532][ T5502] __se_sys_mount+0x2e3/0x3d0
[ 259.079507][ T5502] ? __x64_sys_mount+0xc0/0xc0
[ 259.084370][ T5502] ? lockdep_hardirqs_on+0x94/0x140
[ 259.089770][ T5502] ? __x64_sys_mount+0x1c/0xc0
[ 259.094543][ T5502] do_syscall_64+0x4c/0xa0
[ 259.098962][ T5502] ? clear_bhb_loop+0x30/0x80
[ 259.103732][ T5502] ? clear_bhb_loop+0x30/0x80
[ 259.108667][ T5502] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.114731][ T5502] RIP: 0033:0x7f6b4115160a
[ 259.119233][ T5502] 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
[ 259.139340][ T5502] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.147779][ T5502] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 259.155746][ T5502] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 259.163886][ T5502] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 259.171952][ T5502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.179913][ T5502] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.188162][ T5502]
[ 259.193116][ T5502] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.207055][ T5502] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.566661][ T5504] loop1: detected capacity change from 0 to 32768
[ 259.617598][ T5504] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.625694][ T5504] CPU: 0 PID: 5504 Comm: syz.1.205 Not tainted syzkaller #0
[ 259.633016][ T5504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 259.643213][ T5504] Call Trace:
[ 259.646614][ T5504]
[ 259.649562][ T5504] dump_stack_lvl+0x188/0x250
[ 259.654459][ T5504] ? show_regs_print_info+0x20/0x20
[ 259.660038][ T5504] ? load_image+0x400/0x400
[ 259.664683][ T5504] sysfs_create_dir_ns+0x26a/0x290
[ 259.670103][ T5504] ? sysfs_warn_dup+0xa0/0xa0
[ 259.674902][ T5504] ? do_raw_spin_unlock+0x11d/0x230
[ 259.680370][ T5504] kobject_add_internal+0x6e0/0xd90
[ 259.685877][ T5504] kobject_init_and_add+0x128/0x190
[ 259.691302][ T5504] ? lockdep_softirqs_off+0x430/0x430
[ 259.697146][ T5504] ? kobject_add+0x230/0x230
[ 259.701760][ T5504] ? __init_swait_queue_head+0xa5/0x150
[ 259.707571][ T5504] gfs2_sys_fs_add+0x24f/0x4b0
[ 259.712441][ T5504] ? gfs2_recover_set+0x240/0x240
[ 259.717733][ T5504] ? snprintf+0xe5/0x140
[ 259.722184][ T5504] ? __free_pages+0x95/0x1a0
[ 259.726781][ T5504] ? vscnprintf+0x80/0x80
[ 259.731426][ T5504] gfs2_fill_super+0x120f/0x1f00
[ 259.736571][ T5504] ? gfs2_reconfigure+0xd30/0xd30
[ 259.741599][ T5504] ? sb_set_blocksize+0xa5/0xe0
[ 259.746546][ T5504] get_tree_bdev+0x3f1/0x610
[ 259.751217][ T5504] ? gfs2_reconfigure+0xd30/0xd30
[ 259.756321][ T5504] gfs2_get_tree+0x4d/0x1e0
[ 259.761013][ T5504] vfs_get_tree+0x88/0x270
[ 259.765521][ T5504] do_new_mount+0x24a/0xa40
[ 259.770040][ T5504] __se_sys_mount+0x2e3/0x3d0
[ 259.774885][ T5504] ? __x64_sys_mount+0xc0/0xc0
[ 259.780250][ T5504] ? lockdep_hardirqs_on+0x94/0x140
[ 259.785451][ T5504] ? __x64_sys_mount+0x1c/0xc0
[ 259.790295][ T5504] do_syscall_64+0x4c/0xa0
[ 259.794891][ T5504] ? clear_bhb_loop+0x30/0x80
[ 259.800016][ T5504] ? clear_bhb_loop+0x30/0x80
[ 259.804885][ T5504] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.811246][ T5504] RIP: 0033:0x7f6b4115160a
[ 259.815666][ T5504] 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
[ 259.835750][ T5504] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.844812][ T5504] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 259.852983][ T5504] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 259.861238][ T5504] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 259.869210][ T5504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.877896][ T5504] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.886028][ T5504]
[ 259.890424][ T5504] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.904095][ T5504] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.243226][ T5506] loop1: detected capacity change from 0 to 32768
[ 260.255001][ T5506] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.262654][ T5506] CPU: 0 PID: 5506 Comm: syz.1.206 Not tainted syzkaller #0
[ 260.270473][ T5506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 260.280929][ T5506] Call Trace:
[ 260.284326][ T5506]
[ 260.287285][ T5506] dump_stack_lvl+0x188/0x250
[ 260.292001][ T5506] ? show_regs_print_info+0x20/0x20
[ 260.297624][ T5506] ? load_image+0x400/0x400
[ 260.302202][ T5506] sysfs_create_dir_ns+0x26a/0x290
[ 260.307336][ T5506] ? sysfs_warn_dup+0xa0/0xa0
[ 260.312177][ T5506] ? do_raw_spin_unlock+0x11d/0x230
[ 260.317548][ T5506] kobject_add_internal+0x6e0/0xd90
[ 260.322746][ T5506] kobject_init_and_add+0x128/0x190
[ 260.328025][ T5506] ? lockdep_softirqs_off+0x430/0x430
[ 260.333393][ T5506] ? kobject_add+0x230/0x230
[ 260.338260][ T5506] ? __init_swait_queue_head+0xa5/0x150
[ 260.344278][ T5506] gfs2_sys_fs_add+0x24f/0x4b0
[ 260.349038][ T5506] ? gfs2_recover_set+0x240/0x240
[ 260.354236][ T5506] ? snprintf+0xe5/0x140
[ 260.358481][ T5506] ? __free_pages+0x95/0x1a0
[ 260.363093][ T5506] ? vscnprintf+0x80/0x80
[ 260.367694][ T5506] gfs2_fill_super+0x120f/0x1f00
[ 260.372738][ T5506] ? gfs2_reconfigure+0xd30/0xd30
[ 260.378043][ T5506] ? sb_set_blocksize+0xa5/0xe0
[ 260.382903][ T5506] get_tree_bdev+0x3f1/0x610
[ 260.388014][ T5506] ? gfs2_reconfigure+0xd30/0xd30
[ 260.393150][ T5506] gfs2_get_tree+0x4d/0x1e0
[ 260.397648][ T5506] vfs_get_tree+0x88/0x270
[ 260.402333][ T5506] do_new_mount+0x24a/0xa40
[ 260.407132][ T5506] __se_sys_mount+0x2e3/0x3d0
[ 260.412053][ T5506] ? __x64_sys_mount+0xc0/0xc0
[ 260.416945][ T5506] ? lockdep_hardirqs_on+0x94/0x140
[ 260.422164][ T5506] ? __x64_sys_mount+0x1c/0xc0
[ 260.427017][ T5506] do_syscall_64+0x4c/0xa0
[ 260.431609][ T5506] ? clear_bhb_loop+0x30/0x80
[ 260.436276][ T5506] ? clear_bhb_loop+0x30/0x80
[ 260.441029][ T5506] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.447189][ T5506] RIP: 0033:0x7f6b4115160a
[ 260.451703][ T5506] 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
[ 260.471638][ T5506] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.480046][ T5506] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 260.488011][ T5506] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 260.496073][ T5506] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 260.504293][ T5506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.512468][ T5506] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 260.520452][ T5506]
[ 260.525262][ T5506] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.538898][ T5506] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.929716][ T5508] loop1: detected capacity change from 0 to 32768
[ 260.950364][ T5508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.966649][ T5508] CPU: 0 PID: 5508 Comm: syz.1.207 Not tainted syzkaller #0
[ 260.973989][ T5508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 260.984649][ T5508] Call Trace:
[ 260.988046][ T5508]
[ 260.991014][ T5508] dump_stack_lvl+0x188/0x250
[ 260.995731][ T5508] ? show_regs_print_info+0x20/0x20
[ 261.001053][ T5508] ? load_image+0x400/0x400
[ 261.005709][ T5508] sysfs_create_dir_ns+0x26a/0x290
[ 261.011087][ T5508] ? sysfs_warn_dup+0xa0/0xa0
[ 261.015873][ T5508] ? do_raw_spin_unlock+0x11d/0x230
[ 261.021173][ T5508] kobject_add_internal+0x6e0/0xd90
[ 261.026489][ T5508] kobject_init_and_add+0x128/0x190
[ 261.032051][ T5508] ? lockdep_softirqs_off+0x430/0x430
[ 261.037540][ T5508] ? kobject_add+0x230/0x230
[ 261.042327][ T5508] ? __init_swait_queue_head+0xa5/0x150
[ 261.047895][ T5508] gfs2_sys_fs_add+0x24f/0x4b0
[ 261.052700][ T5508] ? gfs2_recover_set+0x240/0x240
[ 261.058072][ T5508] ? snprintf+0xe5/0x140
[ 261.062446][ T5508] ? __free_pages+0x95/0x1a0
[ 261.067074][ T5508] ? vscnprintf+0x80/0x80
[ 261.071617][ T5508] gfs2_fill_super+0x120f/0x1f00
[ 261.076654][ T5508] ? gfs2_reconfigure+0xd30/0xd30
[ 261.081974][ T5508] ? sb_set_blocksize+0xa5/0xe0
[ 261.086936][ T5508] get_tree_bdev+0x3f1/0x610
[ 261.091609][ T5508] ? gfs2_reconfigure+0xd30/0xd30
[ 261.096910][ T5508] gfs2_get_tree+0x4d/0x1e0
[ 261.101555][ T5508] vfs_get_tree+0x88/0x270
[ 261.106073][ T5508] do_new_mount+0x24a/0xa40
[ 261.110665][ T5508] __se_sys_mount+0x2e3/0x3d0
[ 261.115429][ T5508] ? __x64_sys_mount+0xc0/0xc0
[ 261.120359][ T5508] ? lockdep_hardirqs_on+0x94/0x140
[ 261.125550][ T5508] ? __x64_sys_mount+0x1c/0xc0
[ 261.130494][ T5508] do_syscall_64+0x4c/0xa0
[ 261.135216][ T5508] ? clear_bhb_loop+0x30/0x80
[ 261.139972][ T5508] ? clear_bhb_loop+0x30/0x80
[ 261.144931][ T5508] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 261.150990][ T5508] RIP: 0033:0x7f6b4115160a
[ 261.155406][ T5508] 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
[ 261.175473][ T5508] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.184158][ T5508] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 261.192225][ T5508] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 261.200633][ T5508] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 261.209191][ T5508] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 261.217262][ T5508] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 261.225676][ T5508]
[ 261.232849][ T5508] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.246120][ T5508] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/01/31 15:16:38 executed programs: 193
[ 261.752399][ T5510] loop1: detected capacity change from 0 to 32768
[ 261.841675][ T5510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.850540][ T5510] CPU: 1 PID: 5510 Comm: syz.1.208 Not tainted syzkaller #0
[ 261.858292][ T5510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 261.868554][ T5510] Call Trace:
[ 261.871929][ T5510]
[ 261.874968][ T5510] dump_stack_lvl+0x188/0x250
[ 261.879865][ T5510] ? show_regs_print_info+0x20/0x20
[ 261.885436][ T5510] ? load_image+0x400/0x400
[ 261.890205][ T5510] sysfs_create_dir_ns+0x26a/0x290
[ 261.895703][ T5510] ? sysfs_warn_dup+0xa0/0xa0
[ 261.900416][ T5510] ? do_raw_spin_unlock+0x11d/0x230
[ 261.905644][ T5510] kobject_add_internal+0x6e0/0xd90
[ 261.911091][ T5510] kobject_init_and_add+0x128/0x190
[ 261.916678][ T5510] ? lockdep_softirqs_off+0x430/0x430
[ 261.922546][ T5510] ? kobject_add+0x230/0x230
[ 261.927159][ T5510] ? __init_swait_queue_head+0xa5/0x150
[ 261.933082][ T5510] gfs2_sys_fs_add+0x24f/0x4b0
[ 261.937873][ T5510] ? gfs2_recover_set+0x240/0x240
[ 261.943021][ T5510] ? snprintf+0xe5/0x140
[ 261.947263][ T5510] ? __free_pages+0x95/0x1a0
[ 261.951942][ T5510] ? vscnprintf+0x80/0x80
[ 261.956289][ T5510] gfs2_fill_super+0x120f/0x1f00
[ 261.961233][ T5510] ? gfs2_reconfigure+0xd30/0xd30
[ 261.966304][ T5510] ? sb_set_blocksize+0xa5/0xe0
[ 261.971238][ T5510] get_tree_bdev+0x3f1/0x610
[ 261.975853][ T5510] ? gfs2_reconfigure+0xd30/0xd30
[ 261.980874][ T5510] gfs2_get_tree+0x4d/0x1e0
[ 261.985376][ T5510] vfs_get_tree+0x88/0x270
[ 261.989785][ T5510] do_new_mount+0x24a/0xa40
[ 261.994369][ T5510] __se_sys_mount+0x2e3/0x3d0
[ 261.999041][ T5510] ? __x64_sys_mount+0xc0/0xc0
[ 262.003816][ T5510] ? lockdep_hardirqs_on+0x94/0x140
[ 262.009029][ T5510] ? __x64_sys_mount+0x1c/0xc0
[ 262.013813][ T5510] do_syscall_64+0x4c/0xa0
[ 262.018322][ T5510] ? clear_bhb_loop+0x30/0x80
[ 262.023099][ T5510] ? clear_bhb_loop+0x30/0x80
[ 262.027774][ T5510] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.033750][ T5510] RIP: 0033:0x7f6b4115160a
[ 262.038256][ T5510] 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
[ 262.058417][ T5510] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.066855][ T5510] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 262.075191][ T5510] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 262.083566][ T5510] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 262.092283][ T5510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 262.100457][ T5510] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 262.108582][ T5510]
[ 262.113108][ T5510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.126637][ T5510] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.469565][ T5512] loop1: detected capacity change from 0 to 32768
[ 262.520802][ T5512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.528438][ T5512] CPU: 1 PID: 5512 Comm: syz.1.209 Not tainted syzkaller #0
[ 262.535765][ T5512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 262.546235][ T5512] Call Trace:
[ 262.549631][ T5512]
[ 262.552674][ T5512] dump_stack_lvl+0x188/0x250
[ 262.557732][ T5512] ? show_regs_print_info+0x20/0x20
[ 262.563051][ T5512] ? load_image+0x400/0x400
[ 262.567705][ T5512] sysfs_create_dir_ns+0x26a/0x290
[ 262.572946][ T5512] ? sysfs_warn_dup+0xa0/0xa0
[ 262.577740][ T5512] ? do_raw_spin_unlock+0x11d/0x230
[ 262.583067][ T5512] kobject_add_internal+0x6e0/0xd90
[ 262.588399][ T5512] kobject_init_and_add+0x128/0x190
[ 262.593830][ T5512] ? lockdep_softirqs_off+0x430/0x430
[ 262.599410][ T5512] ? kobject_add+0x230/0x230
[ 262.604169][ T5512] ? __init_swait_queue_head+0xa5/0x150
[ 262.609902][ T5512] gfs2_sys_fs_add+0x24f/0x4b0
[ 262.614678][ T5512] ? gfs2_recover_set+0x240/0x240
[ 262.619801][ T5512] ? snprintf+0xe5/0x140
[ 262.624319][ T5512] ? __free_pages+0x95/0x1a0
[ 262.629099][ T5512] ? vscnprintf+0x80/0x80
[ 262.633729][ T5512] gfs2_fill_super+0x120f/0x1f00
[ 262.638801][ T5512] ? gfs2_reconfigure+0xd30/0xd30
[ 262.644207][ T5512] ? sb_set_blocksize+0xa5/0xe0
[ 262.649248][ T5512] get_tree_bdev+0x3f1/0x610
[ 262.653846][ T5512] ? gfs2_reconfigure+0xd30/0xd30
[ 262.658954][ T5512] gfs2_get_tree+0x4d/0x1e0
[ 262.663769][ T5512] vfs_get_tree+0x88/0x270
[ 262.668451][ T5512] do_new_mount+0x24a/0xa40
[ 262.672952][ T5512] __se_sys_mount+0x2e3/0x3d0
[ 262.677717][ T5512] ? __x64_sys_mount+0xc0/0xc0
[ 262.682677][ T5512] ? lockdep_hardirqs_on+0x94/0x140
[ 262.688064][ T5512] ? __x64_sys_mount+0x1c/0xc0
[ 262.692884][ T5512] do_syscall_64+0x4c/0xa0
[ 262.697506][ T5512] ? clear_bhb_loop+0x30/0x80
[ 262.702362][ T5512] ? clear_bhb_loop+0x30/0x80
[ 262.707143][ T5512] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.713200][ T5512] RIP: 0033:0x7f6b4115160a
[ 262.717623][ T5512] 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
[ 262.737665][ T5512] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.746706][ T5512] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 262.754768][ T5512] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 262.763073][ T5512] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 262.771332][ T5512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 262.779580][ T5512] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 262.787838][ T5512]
[ 262.792187][ T5512] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.805680][ T5512] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.187480][ T5514] loop1: detected capacity change from 0 to 32768
[ 263.258640][ T5514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.266350][ T5514] CPU: 0 PID: 5514 Comm: syz.1.210 Not tainted syzkaller #0
[ 263.274057][ T5514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 263.284433][ T5514] Call Trace:
[ 263.288030][ T5514]
[ 263.291049][ T5514] dump_stack_lvl+0x188/0x250
[ 263.295972][ T5514] ? show_regs_print_info+0x20/0x20
[ 263.301398][ T5514] ? load_image+0x400/0x400
[ 263.306128][ T5514] sysfs_create_dir_ns+0x26a/0x290
[ 263.311267][ T5514] ? sysfs_warn_dup+0xa0/0xa0
[ 263.315982][ T5514] ? do_raw_spin_unlock+0x11d/0x230
[ 263.321221][ T5514] kobject_add_internal+0x6e0/0xd90
[ 263.326642][ T5514] kobject_init_and_add+0x128/0x190
[ 263.332041][ T5514] ? lockdep_softirqs_off+0x430/0x430
[ 263.337736][ T5514] ? kobject_add+0x230/0x230
[ 263.342598][ T5514] ? __init_swait_queue_head+0xa5/0x150
[ 263.348554][ T5514] gfs2_sys_fs_add+0x24f/0x4b0
[ 263.353436][ T5514] ? gfs2_recover_set+0x240/0x240
[ 263.358491][ T5514] ? snprintf+0xe5/0x140
[ 263.362999][ T5514] ? __free_pages+0x95/0x1a0
[ 263.367765][ T5514] ? vscnprintf+0x80/0x80
[ 263.372116][ T5514] gfs2_fill_super+0x120f/0x1f00
[ 263.377326][ T5514] ? gfs2_reconfigure+0xd30/0xd30
[ 263.382455][ T5514] ? sb_set_blocksize+0xa5/0xe0
[ 263.387517][ T5514] get_tree_bdev+0x3f1/0x610
[ 263.392138][ T5514] ? gfs2_reconfigure+0xd30/0xd30
[ 263.397345][ T5514] gfs2_get_tree+0x4d/0x1e0
[ 263.402047][ T5514] vfs_get_tree+0x88/0x270
[ 263.406611][ T5514] do_new_mount+0x24a/0xa40
[ 263.411230][ T5514] __se_sys_mount+0x2e3/0x3d0
[ 263.416132][ T5514] ? __x64_sys_mount+0xc0/0xc0
[ 263.421178][ T5514] ? lockdep_hardirqs_on+0x94/0x140
[ 263.426379][ T5514] ? __x64_sys_mount+0x1c/0xc0
[ 263.426843][ T27] INFO: task syz.0.17:5095 blocked for more than 143 seconds.
[ 263.431324][ T5514] do_syscall_64+0x4c/0xa0
[ 263.441338][ T27] Not tainted syzkaller #0
[ 263.443561][ T5514] ? clear_bhb_loop+0x30/0x80
[ 263.448576][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 263.453151][ T5514] ? clear_bhb_loop+0x30/0x80
[ 263.464766][ T27] task:syz.0.17 state:D
[ 263.466619][ T5514] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 263.466645][ T5514] RIP: 0033:0x7f6b4115160a
[ 263.466665][ T5514] 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
[ 263.471608][ T27] stack:24632 pid: 5095 ppid: 4815 flags:0x00004004
[ 263.477663][ T5514] RSP: 002b:00007f6b407b3e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.477688][ T5514] RAX: ffffffffffffffda RBX: 00007f6b407b3ee0 RCX: 00007f6b4115160a
[ 263.477703][ T5514] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f6b407b3ea0
[ 263.477717][ T5514] RBP: 0000200000000400 R08: 00007f6b407b3ee0 R09: 0000000000000000
[ 263.477730][ T5514] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 263.477743][ T5514] R13: 00007f6b407b3ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 263.477774][ T5514]
[ 263.479897][ T5514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.487862][ T27] Call Trace:
[ 263.503083][ T5514] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.514611][ T27]
[ 263.589713][ T27] __schedule+0x11ef/0x43c0
[ 263.594510][ T27] ? mark_lock+0x94/0x320
[ 263.599506][ T27] ? lock_chain_count+0x20/0x20
[ 263.604392][ T27] ? release_firmware_map_entry+0x190/0x190
[ 263.610349][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x120
[ 263.616784][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 263.622196][ T27] ? _raw_spin_unlock_irqrestore+0xc1/0x120
[ 263.628247][ T27] schedule+0x11b/0x1e0
[ 263.632516][ T27] bit_wait+0xd/0xc0
[ 263.636586][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 263.642154][ T27] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 263.648406][ T27] ? __wait_on_bit+0x170/0x170
[ 263.653194][ T27] ? bit_waitqueue+0x30/0x30
[ 263.658091][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 263.662831][ T27] gfs2_statfs_init+0x11f/0x4d0
[ 263.667873][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 263.672947][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 263.678483][ T27] ? init_per_node+0x2cb/0x3e0
[ 263.683379][ T27] ? gfs2_statfs_init+0x117/0x4d0
[ 263.688669][ T27] ? init_inodes+0x26a/0x320
[ 263.693262][ T27] gfs2_fill_super+0x16fc/0x1f00
[ 263.698604][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 263.703958][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 263.709396][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 263.714432][ T27] get_tree_bdev+0x3f1/0x610
[ 263.719289][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 263.724419][ T27] gfs2_get_tree+0x4d/0x1e0
[ 263.729060][ T27] vfs_get_tree+0x88/0x270
[ 263.733497][ T27] do_new_mount+0x24a/0xa40
[ 263.738253][ T27] __se_sys_mount+0x2e3/0x3d0
[ 263.743145][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 263.748041][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 263.753645][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 263.758539][ T27] do_syscall_64+0x4c/0xa0
[ 263.763068][ T27] ? clear_bhb_loop+0x30/0x80
[ 263.767855][ T27] ? clear_bhb_loop+0x30/0x80
[ 263.772663][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 263.778728][ T27] RIP: 0033:0x7f274e4d960a
[ 263.783295][ T27] RSP: 002b:00007f274db3be58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.791862][ T27] RAX: ffffffffffffffda RBX: 00007f274db3bee0 RCX: 00007f274e4d960a
[ 263.800355][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007f274db3bea0
[ 263.808840][ T27] RBP: 0000200000000400 R08: 00007f274db3bee0 R09: 0000000000000000
[ 263.817441][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 263.826046][ T27] R13: 00007f274db3bea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 263.834605][ T27]
[ 263.837924][ T27]
[ 263.837924][ T27] Showing all locks held in the system:
[ 263.846115][ T27] 1 lock held by khungtaskd/27:
[ 263.851630][ T27] #0: ffffffff8c31eaa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 263.861187][ T27] 2 locks held by getty/3952:
[ 263.866063][ T27] #0: ffff88814cbe2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 263.876115][ T27] #1: ffffc900026562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[ 263.886543][ T27] 1 lock held by syz.0.17/5095:
[ 263.891506][ T27] #0: ffff88807a85c0e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 263.902009][ T27] 2 locks held by syz.1.210/5514:
[ 263.907176][ T27] #0: ffff8880204dbd18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 263.917325][ T27] #1: ffff8880205c5468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 263.926659][ T27]
[ 263.929294][ T27] =============================================
[ 263.929294][ T27]
[ 263.937882][ T27] NMI backtrace for cpu 1
[ 263.942231][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 263.949502][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 263.960092][ T27] Call Trace:
[ 263.963392][ T27]
[ 263.966626][ T27] dump_stack_lvl+0x188/0x250
[ 263.971486][ T27] ? show_regs_print_info+0x20/0x20
[ 263.976773][ T27] ? load_image+0x400/0x400
[ 263.981275][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 263.986480][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 263.991421][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 263.997833][ T27] ? _printk+0xda/0x130
[ 264.002003][ T27] ? load_image+0x400/0x400
[ 264.006625][ T27] ? load_image+0x400/0x400
[ 264.011217][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 264.017477][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 264.023987][ T27] watchdog+0xe0f/0xe50
[ 264.028244][ T27] kthread+0x436/0x520
[ 264.032512][ T27] ? hungtask_pm_notify+0x40/0x40
[ 264.037682][ T27] ? kthread_blkcg+0xd0/0xd0
[ 264.042289][ T27] ret_from_fork+0x1f/0x30
[ 264.046769][ T27]
[ 264.050136][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 264.055406][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 264.057196][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 264.071250][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 264.078458][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 264.088769][ T27] Call Trace:
[ 264.092132][ T27]
[ 264.095129][ T27] dump_stack_lvl+0x188/0x250
[ 264.100284][ T27] ? show_regs_print_info+0x20/0x20
[ 264.105780][ T27] ? load_image+0x400/0x400
[ 264.110301][ T27] panic+0x2e5/0x810
[ 264.114414][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 264.120147][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 264.124655][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 264.130811][ T27] watchdog+0xe4e/0xe50
[ 264.135080][ T27] kthread+0x436/0x520
[ 264.139326][ T27] ? hungtask_pm_notify+0x40/0x40
[ 264.144352][ T27] ? kthread_blkcg+0xd0/0xd0
[ 264.148955][ T27] ret_from_fork+0x1f/0x30
[ 264.153491][ T27]
[ 264.156933][ T27] Kernel Offset: disabled
[ 264.161289][ T27] Rebooting in 86400 seconds..