ock+0x11d/0x230
[ 272.072622][ T4734] kobject_add_internal+0x6e0/0xd90
[ 272.077895][ T4734] kobject_init_and_add+0x128/0x190
[ 272.083134][ T4734] ? lockdep_softirqs_off+0x430/0x430
[ 272.088549][ T4734] ? kobject_add+0x230/0x230
[ 272.093183][ T4734] ? __init_swait_queue_head+0xa5/0x150
[ 272.098779][ T4734] gfs2_sys_fs_add+0x24f/0x4b0
[ 272.103590][ T4734] ? gfs2_recover_set+0x240/0x240
[ 272.108653][ T4734] ? snprintf+0xe5/0x140
[ 272.112939][ T4734] ? __free_pages+0x95/0x1a0
[ 272.117591][ T4734] ? vscnprintf+0x80/0x80
[ 272.121972][ T4734] gfs2_fill_super+0x120f/0x1f00
[ 272.126969][ T4734] ? gfs2_reconfigure+0xd30/0xd30
[ 272.132059][ T4734] ? sb_set_blocksize+0xa5/0xe0
[ 272.136957][ T4734] get_tree_bdev+0x3f1/0x610
[ 272.141597][ T4734] ? gfs2_reconfigure+0xd30/0xd30
[ 272.146661][ T4734] gfs2_get_tree+0x4d/0x1e0
[ 272.151206][ T4734] vfs_get_tree+0x88/0x270
[ 272.155673][ T4734] do_new_mount+0x24a/0xa40
[ 272.160211][ T4734] __se_sys_mount+0x2e3/0x3d0
[ 272.164931][ T4734] ? __x64_sys_mount+0xc0/0xc0
[ 272.169755][ T4734] ? lockdep_hardirqs_on+0x94/0x140
[ 272.175001][ T4734] ? __x64_sys_mount+0x1c/0xc0
[ 272.179809][ T4734] do_syscall_64+0x4c/0xa0
[ 272.184361][ T4734] ? clear_bhb_loop+0x30/0x80
[ 272.189082][ T4734] ? clear_bhb_loop+0x30/0x80
[ 272.193802][ T4734] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.199748][ T4734] RIP: 0033:0x7f831a7690ca
[ 272.204202][ T4734] 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
[ 272.223868][ T4734] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.232339][ T4734] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 272.240358][ T4734] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 272.248362][ T4734] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 272.256374][ T4734] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 272.264467][ T4734] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 272.272488][ T4734]
[ 272.286109][ T4734] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.300698][ T4734] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/24 14:46:28 executed programs: 150
[ 272.570925][ T4735] loop1: detected capacity change from 0 to 32768
[ 272.644209][ T4735] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.652754][ T4735] CPU: 1 PID: 4735 Comm: syz.1.165 Not tainted syzkaller #0
[ 272.660101][ T4735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 272.670286][ T4735] Call Trace:
[ 272.673603][ T4735]
[ 272.676560][ T4735] dump_stack_lvl+0x188/0x250
[ 272.681290][ T4735] ? show_regs_print_info+0x20/0x20
[ 272.686523][ T4735] ? load_image+0x400/0x400
[ 272.691070][ T4735] sysfs_create_dir_ns+0x26a/0x290
[ 272.696236][ T4735] ? sysfs_warn_dup+0xa0/0xa0
[ 272.700954][ T4735] ? do_raw_spin_unlock+0x11d/0x230
[ 272.706199][ T4735] kobject_add_internal+0x6e0/0xd90
[ 272.711649][ T4735] kobject_init_and_add+0x128/0x190
[ 272.716892][ T4735] ? lockdep_softirqs_off+0x430/0x430
[ 272.722310][ T4735] ? kobject_add+0x230/0x230
[ 272.726944][ T4735] ? __init_swait_queue_head+0xa5/0x150
[ 272.732528][ T4735] gfs2_sys_fs_add+0x24f/0x4b0
[ 272.737325][ T4735] ? gfs2_recover_set+0x240/0x240
[ 272.742382][ T4735] ? snprintf+0xe5/0x140
[ 272.746660][ T4735] ? __free_pages+0x95/0x1a0
[ 272.751288][ T4735] ? vscnprintf+0x80/0x80
[ 272.755655][ T4735] gfs2_fill_super+0x120f/0x1f00
[ 272.760634][ T4735] ? gfs2_reconfigure+0xd30/0xd30
[ 272.765925][ T4735] ? sb_set_blocksize+0xa5/0xe0
[ 272.770844][ T4735] get_tree_bdev+0x3f1/0x610
[ 272.775473][ T4735] ? gfs2_reconfigure+0xd30/0xd30
[ 272.780543][ T4735] gfs2_get_tree+0x4d/0x1e0
[ 272.785088][ T4735] vfs_get_tree+0x88/0x270
[ 272.789544][ T4735] do_new_mount+0x24a/0xa40
[ 272.794103][ T4735] __se_sys_mount+0x2e3/0x3d0
[ 272.798824][ T4735] ? __x64_sys_mount+0xc0/0xc0
[ 272.803621][ T4735] ? lockdep_hardirqs_on+0x94/0x140
[ 272.808993][ T4735] ? __x64_sys_mount+0x1c/0xc0
[ 272.813805][ T4735] do_syscall_64+0x4c/0xa0
[ 272.818264][ T4735] ? clear_bhb_loop+0x30/0x80
[ 272.822977][ T4735] ? clear_bhb_loop+0x30/0x80
[ 272.827775][ T4735] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.833712][ T4735] RIP: 0033:0x7f831a7690ca
[ 272.838161][ T4735] 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
[ 272.857814][ T4735] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.866405][ T4735] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 272.874412][ T4735] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 272.882502][ T4735] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 272.890516][ T4735] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 272.898515][ T4735] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 272.906507][ T4735]
[ 272.911371][ T4735] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.924607][ T4735] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.141469][ T4449] Bluetooth: hci0: command 0x0406 tx timeout
[ 273.305245][ T4736] loop1: detected capacity change from 0 to 32768
[ 273.322443][ T4736] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.329888][ T4736] CPU: 0 PID: 4736 Comm: syz.1.166 Not tainted syzkaller #0
[ 273.337211][ T4736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 273.347301][ T4736] Call Trace:
[ 273.350617][ T4736]
[ 273.353587][ T4736] dump_stack_lvl+0x188/0x250
[ 273.358308][ T4736] ? show_regs_print_info+0x20/0x20
[ 273.363558][ T4736] ? load_image+0x400/0x400
[ 273.368127][ T4736] sysfs_create_dir_ns+0x26a/0x290
[ 273.373290][ T4736] ? sysfs_warn_dup+0xa0/0xa0
[ 273.378029][ T4736] ? do_raw_spin_unlock+0x11d/0x230
[ 273.383274][ T4736] kobject_add_internal+0x6e0/0xd90
[ 273.388540][ T4736] kobject_init_and_add+0x128/0x190
[ 273.393817][ T4736] ? lockdep_softirqs_off+0x430/0x430
[ 273.399324][ T4736] ? kobject_add+0x230/0x230
[ 273.403964][ T4736] ? __init_swait_queue_head+0xa5/0x150
[ 273.409560][ T4736] gfs2_sys_fs_add+0x24f/0x4b0
[ 273.414370][ T4736] ? gfs2_recover_set+0x240/0x240
[ 273.419434][ T4736] ? snprintf+0xe5/0x140
[ 273.423722][ T4736] ? __free_pages+0x95/0x1a0
[ 273.428352][ T4736] ? vscnprintf+0x80/0x80
[ 273.432726][ T4736] gfs2_fill_super+0x120f/0x1f00
[ 273.437721][ T4736] ? gfs2_reconfigure+0xd30/0xd30
[ 273.442803][ T4736] ? sb_set_blocksize+0xa5/0xe0
[ 273.447690][ T4736] get_tree_bdev+0x3f1/0x610
[ 273.452398][ T4736] ? gfs2_reconfigure+0xd30/0xd30
[ 273.457468][ T4736] gfs2_get_tree+0x4d/0x1e0
[ 273.462039][ T4736] vfs_get_tree+0x88/0x270
[ 273.466493][ T4736] do_new_mount+0x24a/0xa40
[ 273.471027][ T4736] __se_sys_mount+0x2e3/0x3d0
[ 273.475716][ T4736] ? __x64_sys_mount+0xc0/0xc0
[ 273.480484][ T4736] ? lockdep_hardirqs_on+0x94/0x140
[ 273.485769][ T4736] ? __x64_sys_mount+0x1c/0xc0
[ 273.490533][ T4736] do_syscall_64+0x4c/0xa0
[ 273.494956][ T4736] ? clear_bhb_loop+0x30/0x80
[ 273.499675][ T4736] ? clear_bhb_loop+0x30/0x80
[ 273.504355][ T4736] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 273.510250][ T4736] RIP: 0033:0x7f831a7690ca
[ 273.514685][ T4736] 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
[ 273.534295][ T4736] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.542726][ T4736] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 273.550799][ T4736] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 273.558775][ T4736] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 273.566758][ T4736] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 273.574744][ T4736] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 273.582733][ T4736]
[ 273.587119][ T4736] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.600329][ T4736] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.977824][ T4737] loop1: detected capacity change from 0 to 32768
[ 274.022236][ T4737] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.029760][ T4737] CPU: 0 PID: 4737 Comm: syz.1.167 Not tainted syzkaller #0
[ 274.037079][ T4737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 274.047181][ T4737] Call Trace:
[ 274.050504][ T4737]
[ 274.053467][ T4737] dump_stack_lvl+0x188/0x250
[ 274.058184][ T4737] ? show_regs_print_info+0x20/0x20
[ 274.063457][ T4737] ? load_image+0x400/0x400
[ 274.068013][ T4737] sysfs_create_dir_ns+0x26a/0x290
[ 274.073165][ T4737] ? sysfs_warn_dup+0xa0/0xa0
[ 274.077888][ T4737] ? do_raw_spin_unlock+0x11d/0x230
[ 274.083133][ T4737] kobject_add_internal+0x6e0/0xd90
[ 274.088391][ T4737] kobject_init_and_add+0x128/0x190
[ 274.093621][ T4737] ? lockdep_softirqs_off+0x430/0x430
[ 274.099037][ T4737] ? kobject_add+0x230/0x230
[ 274.103677][ T4737] ? __init_swait_queue_head+0xa5/0x150
[ 274.109274][ T4737] gfs2_sys_fs_add+0x24f/0x4b0
[ 274.114096][ T4737] ? gfs2_recover_set+0x240/0x240
[ 274.119249][ T4737] ? snprintf+0xe5/0x140
[ 274.123536][ T4737] ? __free_pages+0x95/0x1a0
[ 274.128267][ T4737] ? vscnprintf+0x80/0x80
[ 274.132645][ T4737] gfs2_fill_super+0x120f/0x1f00
[ 274.137646][ T4737] ? gfs2_reconfigure+0xd30/0xd30
[ 274.142734][ T4737] ? sb_set_blocksize+0xa5/0xe0
[ 274.147628][ T4737] get_tree_bdev+0x3f1/0x610
[ 274.152347][ T4737] ? gfs2_reconfigure+0xd30/0xd30
[ 274.157413][ T4737] gfs2_get_tree+0x4d/0x1e0
[ 274.161962][ T4737] vfs_get_tree+0x88/0x270
[ 274.166428][ T4737] do_new_mount+0x24a/0xa40
[ 274.170979][ T4737] __se_sys_mount+0x2e3/0x3d0
[ 274.175812][ T4737] ? __x64_sys_mount+0xc0/0xc0
[ 274.180626][ T4737] ? lockdep_hardirqs_on+0x94/0x140
[ 274.185877][ T4737] ? __x64_sys_mount+0x1c/0xc0
[ 274.190691][ T4737] do_syscall_64+0x4c/0xa0
[ 274.195148][ T4737] ? clear_bhb_loop+0x30/0x80
[ 274.199895][ T4737] ? clear_bhb_loop+0x30/0x80
[ 274.204617][ T4737] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.210541][ T4737] RIP: 0033:0x7f831a7690ca
[ 274.214997][ T4737] 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
[ 274.234650][ T4737] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.243100][ T4737] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 274.251112][ T4737] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 274.259118][ T4737] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 274.267126][ T4737] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 274.275137][ T4737] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 274.283331][ T4737]
[ 274.292504][ T4737] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.305856][ T4737] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.684044][ T4738] loop1: detected capacity change from 0 to 32768
[ 274.763325][ T4738] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.773709][ T4738] CPU: 0 PID: 4738 Comm: syz.1.168 Not tainted syzkaller #0
[ 274.781045][ T4738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 274.791296][ T4738] Call Trace:
[ 274.794608][ T4738]
[ 274.797594][ T4738] dump_stack_lvl+0x188/0x250
[ 274.802325][ T4738] ? show_regs_print_info+0x20/0x20
[ 274.807573][ T4738] ? load_image+0x400/0x400
[ 274.812139][ T4738] sysfs_create_dir_ns+0x26a/0x290
[ 274.817299][ T4738] ? sysfs_warn_dup+0xa0/0xa0
[ 274.822024][ T4738] ? do_raw_spin_unlock+0x11d/0x230
[ 274.827285][ T4738] kobject_add_internal+0x6e0/0xd90
[ 274.832532][ T4738] kobject_init_and_add+0x128/0x190
[ 274.837943][ T4738] ? lockdep_softirqs_off+0x430/0x430
[ 274.843370][ T4738] ? kobject_add+0x230/0x230
[ 274.848009][ T4738] ? __init_swait_queue_head+0xa5/0x150
[ 274.853692][ T4738] gfs2_sys_fs_add+0x24f/0x4b0
[ 274.858510][ T4738] ? gfs2_recover_set+0x240/0x240
[ 274.863583][ T4738] ? snprintf+0xe5/0x140
[ 274.867868][ T4738] ? __free_pages+0x95/0x1a0
[ 274.872515][ T4738] ? vscnprintf+0x80/0x80
[ 274.876901][ T4738] gfs2_fill_super+0x120f/0x1f00
[ 274.881892][ T4738] ? gfs2_reconfigure+0xd30/0xd30
[ 274.886988][ T4738] ? sb_set_blocksize+0xa5/0xe0
[ 274.891994][ T4738] get_tree_bdev+0x3f1/0x610
[ 274.896635][ T4738] ? gfs2_reconfigure+0xd30/0xd30
[ 274.901700][ T4738] gfs2_get_tree+0x4d/0x1e0
[ 274.906329][ T4738] vfs_get_tree+0x88/0x270
[ 274.910785][ T4738] do_new_mount+0x24a/0xa40
[ 274.915333][ T4738] __se_sys_mount+0x2e3/0x3d0
[ 274.920053][ T4738] ? __x64_sys_mount+0xc0/0xc0
[ 274.924875][ T4738] ? lockdep_hardirqs_on+0x94/0x140
[ 274.930105][ T4738] ? __x64_sys_mount+0x1c/0xc0
[ 274.934886][ T4738] do_syscall_64+0x4c/0xa0
[ 274.939304][ T4738] ? clear_bhb_loop+0x30/0x80
[ 274.943993][ T4738] ? clear_bhb_loop+0x30/0x80
[ 274.948671][ T4738] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.954662][ T4738] RIP: 0033:0x7f831a7690ca
[ 274.959089][ T4738] 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
[ 274.978984][ T4738] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.987434][ T4738] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 274.995678][ T4738] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 275.003659][ T4738] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 275.011639][ T4738] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 275.019613][ T4738] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 275.027691][ T4738]
[ 275.032374][ T4738] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.045660][ T4738] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.445329][ T4739] loop1: detected capacity change from 0 to 32768
[ 275.501612][ T4739] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.509763][ T4739] CPU: 0 PID: 4739 Comm: syz.1.169 Not tainted syzkaller #0
[ 275.517098][ T4739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 275.527186][ T4739] Call Trace:
[ 275.530502][ T4739]
[ 275.533469][ T4739] dump_stack_lvl+0x188/0x250
[ 275.538187][ T4739] ? show_regs_print_info+0x20/0x20
[ 275.543419][ T4739] ? load_image+0x400/0x400
[ 275.547978][ T4739] sysfs_create_dir_ns+0x26a/0x290
[ 275.553225][ T4739] ? sysfs_warn_dup+0xa0/0xa0
[ 275.557944][ T4739] ? do_raw_spin_unlock+0x11d/0x230
[ 275.563186][ T4739] kobject_add_internal+0x6e0/0xd90
[ 275.568438][ T4739] kobject_init_and_add+0x128/0x190
[ 275.573670][ T4739] ? lockdep_softirqs_off+0x430/0x430
[ 275.579087][ T4739] ? kobject_add+0x230/0x230
[ 275.583715][ T4739] ? __init_swait_queue_head+0xa5/0x150
[ 275.589309][ T4739] gfs2_sys_fs_add+0x24f/0x4b0
[ 275.594113][ T4739] ? gfs2_recover_set+0x240/0x240
[ 275.599177][ T4739] ? snprintf+0xe5/0x140
[ 275.603456][ T4739] ? __free_pages+0x95/0x1a0
[ 275.608083][ T4739] ? vscnprintf+0x80/0x80
[ 275.612469][ T4739] gfs2_fill_super+0x120f/0x1f00
[ 275.617497][ T4739] ? gfs2_reconfigure+0xd30/0xd30
[ 275.622585][ T4739] ? sb_set_blocksize+0xa5/0xe0
[ 275.627470][ T4739] get_tree_bdev+0x3f1/0x610
[ 275.632101][ T4739] ? gfs2_reconfigure+0xd30/0xd30
[ 275.637186][ T4739] gfs2_get_tree+0x4d/0x1e0
[ 275.641731][ T4739] vfs_get_tree+0x88/0x270
[ 275.646193][ T4739] do_new_mount+0x24a/0xa40
[ 275.650746][ T4739] __se_sys_mount+0x2e3/0x3d0
[ 275.655477][ T4739] ? __x64_sys_mount+0xc0/0xc0
[ 275.660288][ T4739] ? lockdep_hardirqs_on+0x94/0x140
[ 275.665517][ T4739] ? __x64_sys_mount+0x1c/0xc0
[ 275.670319][ T4739] do_syscall_64+0x4c/0xa0
[ 275.674766][ T4739] ? clear_bhb_loop+0x30/0x80
[ 275.679477][ T4739] ? clear_bhb_loop+0x30/0x80
[ 275.684192][ T4739] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 275.690117][ T4739] RIP: 0033:0x7f831a7690ca
[ 275.694578][ T4739] 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
[ 275.714218][ T4739] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.722671][ T4739] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 275.730759][ T4739] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 275.738765][ T4739] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 275.746768][ T4739] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 275.754784][ T4739] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 275.762819][ T4739]
[ 275.771264][ T4739] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.784744][ T4739] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.172145][ T4740] loop1: detected capacity change from 0 to 32768
[ 276.231594][ T4740] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.239025][ T4740] CPU: 0 PID: 4740 Comm: syz.1.170 Not tainted syzkaller #0
[ 276.246438][ T4740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 276.256548][ T4740] Call Trace:
[ 276.259858][ T4740]
[ 276.262822][ T4740] dump_stack_lvl+0x188/0x250
[ 276.267709][ T4740] ? show_regs_print_info+0x20/0x20
[ 276.273033][ T4740] ? load_image+0x400/0x400
[ 276.277732][ T4740] sysfs_create_dir_ns+0x26a/0x290
[ 276.282887][ T4740] ? sysfs_warn_dup+0xa0/0xa0
[ 276.287608][ T4740] ? do_raw_spin_unlock+0x11d/0x230
[ 276.292844][ T4740] kobject_add_internal+0x6e0/0xd90
[ 276.298086][ T4740] kobject_init_and_add+0x128/0x190
[ 276.303318][ T4740] ? lockdep_softirqs_off+0x430/0x430
[ 276.308748][ T4740] ? kobject_add+0x230/0x230
[ 276.313384][ T4740] ? __init_swait_queue_head+0xa5/0x150
[ 276.318974][ T4740] gfs2_sys_fs_add+0x24f/0x4b0
[ 276.323778][ T4740] ? gfs2_recover_set+0x240/0x240
[ 276.328897][ T4740] ? snprintf+0xe5/0x140
[ 276.333354][ T4740] ? __free_pages+0x95/0x1a0
[ 276.337992][ T4740] ? vscnprintf+0x80/0x80
[ 276.342379][ T4740] gfs2_fill_super+0x120f/0x1f00
[ 276.347375][ T4740] ? gfs2_reconfigure+0xd30/0xd30
[ 276.352469][ T4740] ? sb_set_blocksize+0xa5/0xe0
[ 276.357350][ T4740] get_tree_bdev+0x3f1/0x610
[ 276.361978][ T4740] ? gfs2_reconfigure+0xd30/0xd30
[ 276.367099][ T4740] gfs2_get_tree+0x4d/0x1e0
[ 276.371652][ T4740] vfs_get_tree+0x88/0x270
[ 276.376105][ T4740] do_new_mount+0x24a/0xa40
[ 276.380646][ T4740] __se_sys_mount+0x2e3/0x3d0
[ 276.385368][ T4740] ? __x64_sys_mount+0xc0/0xc0
[ 276.390187][ T4740] ? lockdep_hardirqs_on+0x94/0x140
[ 276.395545][ T4740] ? __x64_sys_mount+0x1c/0xc0
[ 276.400354][ T4740] do_syscall_64+0x4c/0xa0
[ 276.404815][ T4740] ? clear_bhb_loop+0x30/0x80
[ 276.409734][ T4740] ? clear_bhb_loop+0x30/0x80
[ 276.414465][ T4740] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 276.420401][ T4740] RIP: 0033:0x7f831a7690ca
[ 276.424849][ T4740] 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
[ 276.444680][ T4740] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.453131][ T4740] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 276.461137][ T4740] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 276.469132][ T4740] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 276.477133][ T4740] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 276.485143][ T4740] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 276.493261][ T4740]
[ 276.502570][ T4740] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.515818][ T4740] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.787005][ T4741] loop1: detected capacity change from 0 to 32768
[ 276.875943][ T4741] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.883618][ T4741] CPU: 1 PID: 4741 Comm: syz.1.171 Not tainted syzkaller #0
[ 276.890946][ T4741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 276.901034][ T4741] Call Trace:
[ 276.904347][ T4741]
[ 276.907323][ T4741] dump_stack_lvl+0x188/0x250
[ 276.912125][ T4741] ? show_regs_print_info+0x20/0x20
[ 276.917358][ T4741] ? load_image+0x400/0x400
[ 276.921920][ T4741] sysfs_create_dir_ns+0x26a/0x290
[ 276.927076][ T4741] ? sysfs_warn_dup+0xa0/0xa0
[ 276.931883][ T4741] ? do_raw_spin_unlock+0x11d/0x230
[ 276.937119][ T4741] kobject_add_internal+0x6e0/0xd90
[ 276.942363][ T4741] kobject_init_and_add+0x128/0x190
[ 276.947606][ T4741] ? lockdep_softirqs_off+0x430/0x430
[ 276.953025][ T4741] ? kobject_add+0x230/0x230
[ 276.957658][ T4741] ? __init_swait_queue_head+0xa5/0x150
[ 276.963250][ T4741] gfs2_sys_fs_add+0x24f/0x4b0
[ 276.968054][ T4741] ? gfs2_recover_set+0x240/0x240
[ 276.973123][ T4741] ? snprintf+0xe5/0x140
[ 276.977395][ T4741] ? __free_pages+0x95/0x1a0
[ 276.982027][ T4741] ? vscnprintf+0x80/0x80
[ 276.986410][ T4741] gfs2_fill_super+0x120f/0x1f00
[ 276.991436][ T4741] ? gfs2_reconfigure+0xd30/0xd30
[ 276.996546][ T4741] ? sb_set_blocksize+0xa5/0xe0
[ 277.001568][ T4741] get_tree_bdev+0x3f1/0x610
[ 277.006195][ T4741] ? gfs2_reconfigure+0xd30/0xd30
[ 277.011263][ T4741] gfs2_get_tree+0x4d/0x1e0
[ 277.015814][ T4741] vfs_get_tree+0x88/0x270
[ 277.020272][ T4741] do_new_mount+0x24a/0xa40
[ 277.024823][ T4741] __se_sys_mount+0x2e3/0x3d0
[ 277.029724][ T4741] ? __x64_sys_mount+0xc0/0xc0
[ 277.034540][ T4741] ? lockdep_hardirqs_on+0x94/0x140
[ 277.039779][ T4741] ? __x64_sys_mount+0x1c/0xc0
[ 277.044560][ T4741] do_syscall_64+0x4c/0xa0
[ 277.048982][ T4741] ? clear_bhb_loop+0x30/0x80
[ 277.053669][ T4741] ? clear_bhb_loop+0x30/0x80
[ 277.058355][ T4741] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.064415][ T4741] RIP: 0033:0x7f831a7690ca
[ 277.068862][ T4741] 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
[ 277.088487][ T4741] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.096917][ T4741] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 277.104896][ T4741] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 277.112891][ T4741] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 277.120861][ T4741] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 277.128844][ T4741] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 277.136899][ T4741]
[ 277.141453][ T4741] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.155054][ T4741] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/24 14:46:33 executed programs: 157
[ 277.547692][ T4742] loop1: detected capacity change from 0 to 32768
[ 277.566982][ T4742] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.574475][ T4742] CPU: 0 PID: 4742 Comm: syz.1.172 Not tainted syzkaller #0
[ 277.581794][ T4742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 277.591889][ T4742] Call Trace:
[ 277.595206][ T4742]
[ 277.598180][ T4742] dump_stack_lvl+0x188/0x250
[ 277.603441][ T4742] ? show_regs_print_info+0x20/0x20
[ 277.608675][ T4742] ? load_image+0x400/0x400
[ 277.613411][ T4742] sysfs_create_dir_ns+0x26a/0x290
[ 277.618593][ T4742] ? sysfs_warn_dup+0xa0/0xa0
[ 277.623314][ T4742] ? do_raw_spin_unlock+0x11d/0x230
[ 277.628562][ T4742] kobject_add_internal+0x6e0/0xd90
[ 277.633812][ T4742] kobject_init_and_add+0x128/0x190
[ 277.639048][ T4742] ? lockdep_softirqs_off+0x430/0x430
[ 277.644462][ T4742] ? kobject_add+0x230/0x230
[ 277.649101][ T4742] ? __init_swait_queue_head+0xa5/0x150
[ 277.654805][ T4742] gfs2_sys_fs_add+0x24f/0x4b0
[ 277.659713][ T4742] ? gfs2_recover_set+0x240/0x240
[ 277.664779][ T4742] ? snprintf+0xe5/0x140
[ 277.669056][ T4742] ? __free_pages+0x95/0x1a0
[ 277.673688][ T4742] ? vscnprintf+0x80/0x80
[ 277.678073][ T4742] gfs2_fill_super+0x120f/0x1f00
[ 277.683062][ T4742] ? gfs2_reconfigure+0xd30/0xd30
[ 277.688144][ T4742] ? sb_set_blocksize+0xa5/0xe0
[ 277.693150][ T4742] get_tree_bdev+0x3f1/0x610
[ 277.697779][ T4742] ? gfs2_reconfigure+0xd30/0xd30
[ 277.702853][ T4742] gfs2_get_tree+0x4d/0x1e0
[ 277.707413][ T4742] vfs_get_tree+0x88/0x270
[ 277.711881][ T4742] do_new_mount+0x24a/0xa40
[ 277.716435][ T4742] __se_sys_mount+0x2e3/0x3d0
[ 277.721163][ T4742] ? __x64_sys_mount+0xc0/0xc0
[ 277.726098][ T4742] ? lockdep_hardirqs_on+0x94/0x140
[ 277.731344][ T4742] ? __x64_sys_mount+0x1c/0xc0
[ 277.736145][ T4742] do_syscall_64+0x4c/0xa0
[ 277.740602][ T4742] ? clear_bhb_loop+0x30/0x80
[ 277.745319][ T4742] ? clear_bhb_loop+0x30/0x80
[ 277.750146][ T4742] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.756088][ T4742] RIP: 0033:0x7f831a7690ca
[ 277.760539][ T4742] 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
[ 277.780328][ T4742] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.788807][ T4742] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 277.796815][ T4742] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 277.804823][ T4742] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 277.812834][ T4742] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 277.820842][ T4742] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 277.828859][ T4742]
[ 277.837487][ T4742] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.850737][ T4742] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.220894][ T4743] loop1: detected capacity change from 0 to 32768
[ 278.273000][ T4743] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.280430][ T4743] CPU: 1 PID: 4743 Comm: syz.1.173 Not tainted syzkaller #0
[ 278.287747][ T4743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 278.297841][ T4743] Call Trace:
[ 278.301163][ T4743]
[ 278.304135][ T4743] dump_stack_lvl+0x188/0x250
[ 278.308941][ T4743] ? show_regs_print_info+0x20/0x20
[ 278.314311][ T4743] ? load_image+0x400/0x400
[ 278.318888][ T4743] sysfs_create_dir_ns+0x26a/0x290
[ 278.324041][ T4743] ? sysfs_warn_dup+0xa0/0xa0
[ 278.328765][ T4743] ? do_raw_spin_unlock+0x11d/0x230
[ 278.334017][ T4743] kobject_add_internal+0x6e0/0xd90
[ 278.339264][ T4743] kobject_init_and_add+0x128/0x190
[ 278.344610][ T4743] ? lockdep_softirqs_off+0x430/0x430
[ 278.350029][ T4743] ? kobject_add+0x230/0x230
[ 278.354673][ T4743] ? __init_swait_queue_head+0xa5/0x150
[ 278.360270][ T4743] gfs2_sys_fs_add+0x24f/0x4b0
[ 278.365074][ T4743] ? gfs2_recover_set+0x240/0x240
[ 278.370182][ T4743] ? snprintf+0xe5/0x140
[ 278.374578][ T4743] ? __free_pages+0x95/0x1a0
[ 278.379239][ T4743] ? vscnprintf+0x80/0x80
[ 278.383620][ T4743] gfs2_fill_super+0x120f/0x1f00
[ 278.388621][ T4743] ? gfs2_reconfigure+0xd30/0xd30
[ 278.393716][ T4743] ? sb_set_blocksize+0xa5/0xe0
[ 278.398605][ T4743] get_tree_bdev+0x3f1/0x610
[ 278.403242][ T4743] ? gfs2_reconfigure+0xd30/0xd30
[ 278.408312][ T4743] gfs2_get_tree+0x4d/0x1e0
[ 278.412858][ T4743] vfs_get_tree+0x88/0x270
[ 278.417312][ T4743] do_new_mount+0x24a/0xa40
[ 278.421884][ T4743] __se_sys_mount+0x2e3/0x3d0
[ 278.426597][ T4743] ? __x64_sys_mount+0xc0/0xc0
[ 278.431405][ T4743] ? lockdep_hardirqs_on+0x94/0x140
[ 278.436640][ T4743] ? __x64_sys_mount+0x1c/0xc0
[ 278.441447][ T4743] do_syscall_64+0x4c/0xa0
[ 278.445892][ T4743] ? clear_bhb_loop+0x30/0x80
[ 278.450607][ T4743] ? clear_bhb_loop+0x30/0x80
[ 278.455329][ T4743] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 278.461255][ T4743] RIP: 0033:0x7f831a7690ca
[ 278.465705][ T4743] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 278.485444][ T4743] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.493917][ T4743] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 278.501940][ T4743] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 278.509950][ T4743] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 278.517965][ T4743] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 278.525969][ T4743] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 278.533991][ T4743]
[ 278.550610][ T4743] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.564236][ T4743] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.874383][ T4744] loop1: detected capacity change from 0 to 32768
[ 278.953892][ T4744] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.961317][ T4744] CPU: 0 PID: 4744 Comm: syz.1.174 Not tainted syzkaller #0
[ 278.968658][ T4744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 278.978742][ T4744] Call Trace:
[ 278.982051][ T4744]
[ 278.985008][ T4744] dump_stack_lvl+0x188/0x250
[ 278.989724][ T4744] ? show_regs_print_info+0x20/0x20
[ 278.994966][ T4744] ? load_image+0x400/0x400
[ 278.999522][ T4744] sysfs_create_dir_ns+0x26a/0x290
[ 279.004675][ T4744] ? sysfs_warn_dup+0xa0/0xa0
[ 279.009398][ T4744] ? do_raw_spin_unlock+0x11d/0x230
[ 279.014645][ T4744] kobject_add_internal+0x6e0/0xd90
[ 279.019887][ T4744] kobject_init_and_add+0x128/0x190
[ 279.025132][ T4744] ? lockdep_softirqs_off+0x430/0x430
[ 279.030723][ T4744] ? kobject_add+0x230/0x230
[ 279.035365][ T4744] ? __init_swait_queue_head+0xa5/0x150
[ 279.040961][ T4744] gfs2_sys_fs_add+0x24f/0x4b0
[ 279.045782][ T4744] ? gfs2_recover_set+0x240/0x240
[ 279.050845][ T4744] ? snprintf+0xe5/0x140
[ 279.055130][ T4744] ? __free_pages+0x95/0x1a0
[ 279.059772][ T4744] ? vscnprintf+0x80/0x80
[ 279.064147][ T4744] gfs2_fill_super+0x120f/0x1f00
[ 279.069134][ T4744] ? gfs2_reconfigure+0xd30/0xd30
[ 279.074220][ T4744] ? sb_set_blocksize+0xa5/0xe0
[ 279.079108][ T4744] get_tree_bdev+0x3f1/0x610
[ 279.083732][ T4744] ? gfs2_reconfigure+0xd30/0xd30
[ 279.088789][ T4744] gfs2_get_tree+0x4d/0x1e0
[ 279.093334][ T4744] vfs_get_tree+0x88/0x270
[ 279.097875][ T4744] do_new_mount+0x24a/0xa40
[ 279.102421][ T4744] __se_sys_mount+0x2e3/0x3d0
[ 279.107143][ T4744] ? __x64_sys_mount+0xc0/0xc0
[ 279.111946][ T4744] ? lockdep_hardirqs_on+0x94/0x140
[ 279.117632][ T4744] ? __x64_sys_mount+0x1c/0xc0
[ 279.122435][ T4744] do_syscall_64+0x4c/0xa0
[ 279.126875][ T4744] ? clear_bhb_loop+0x30/0x80
[ 279.131563][ T4744] ? clear_bhb_loop+0x30/0x80
[ 279.136239][ T4744] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.142135][ T4744] RIP: 0033:0x7f831a7690ca
[ 279.146570][ T4744] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 279.166198][ T4744] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.174698][ T4744] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 279.182682][ T4744] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 279.190659][ T4744] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 279.198639][ T4744] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 279.206632][ T4744] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 279.214622][ T4744]
[ 279.218960][ T4744] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.232587][ T4744] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.592548][ T4745] loop1: detected capacity change from 0 to 32768
[ 279.648544][ T4745] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.656892][ T4745] CPU: 0 PID: 4745 Comm: syz.1.175 Not tainted syzkaller #0
[ 279.664403][ T4745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 279.674491][ T4745] Call Trace:
[ 279.677812][ T4745]
[ 279.680806][ T4745] dump_stack_lvl+0x188/0x250
[ 279.685530][ T4745] ? show_regs_print_info+0x20/0x20
[ 279.690764][ T4745] ? load_image+0x400/0x400
[ 279.695441][ T4745] sysfs_create_dir_ns+0x26a/0x290
[ 279.700594][ T4745] ? sysfs_warn_dup+0xa0/0xa0
[ 279.705311][ T4745] ? do_raw_spin_unlock+0x11d/0x230
[ 279.710557][ T4745] kobject_add_internal+0x6e0/0xd90
[ 279.715801][ T4745] kobject_init_and_add+0x128/0x190
[ 279.721147][ T4745] ? lockdep_softirqs_off+0x430/0x430
[ 279.726648][ T4745] ? kobject_add+0x230/0x230
[ 279.731315][ T4745] ? __init_swait_queue_head+0xa5/0x150
[ 279.736901][ T4745] gfs2_sys_fs_add+0x24f/0x4b0
[ 279.741707][ T4745] ? gfs2_recover_set+0x240/0x240
[ 279.746778][ T4745] ? snprintf+0xe5/0x140
[ 279.751056][ T4745] ? __free_pages+0x95/0x1a0
[ 279.755695][ T4745] ? vscnprintf+0x80/0x80
[ 279.760190][ T4745] gfs2_fill_super+0x120f/0x1f00
[ 279.765184][ T4745] ? gfs2_reconfigure+0xd30/0xd30
[ 279.770351][ T4745] ? sb_set_blocksize+0xa5/0xe0
[ 279.775253][ T4745] get_tree_bdev+0x3f1/0x610
[ 279.779895][ T4745] ? gfs2_reconfigure+0xd30/0xd30
[ 279.784958][ T4745] gfs2_get_tree+0x4d/0x1e0
[ 279.789497][ T4745] vfs_get_tree+0x88/0x270
[ 279.793986][ T4745] do_new_mount+0x24a/0xa40
[ 279.798546][ T4745] __se_sys_mount+0x2e3/0x3d0
[ 279.803289][ T4745] ? __x64_sys_mount+0xc0/0xc0
[ 279.808103][ T4745] ? lockdep_hardirqs_on+0x94/0x140
[ 279.813426][ T4745] ? __x64_sys_mount+0x1c/0xc0
[ 279.818230][ T4745] do_syscall_64+0x4c/0xa0
[ 279.822679][ T4745] ? clear_bhb_loop+0x30/0x80
[ 279.827387][ T4745] ? clear_bhb_loop+0x30/0x80
[ 279.832108][ T4745] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.838030][ T4745] RIP: 0033:0x7f831a7690ca
[ 279.842478][ T4745] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 279.862111][ T4745] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.870561][ T4745] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 279.878570][ T4745] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 279.886577][ T4745] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 279.894622][ T4745] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 279.902628][ T4745] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 279.910655][ T4745]
[ 279.916935][ T4745] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.930206][ T4745] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.317129][ T4746] loop1: detected capacity change from 0 to 32768
[ 280.364978][ T4746] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.372604][ T4746] CPU: 1 PID: 4746 Comm: syz.1.176 Not tainted syzkaller #0
[ 280.380038][ T4746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 280.390131][ T4746] Call Trace:
[ 280.393447][ T4746]
[ 280.396409][ T4746] dump_stack_lvl+0x188/0x250
[ 280.401134][ T4746] ? show_regs_print_info+0x20/0x20
[ 280.406372][ T4746] ? load_image+0x400/0x400
[ 280.410923][ T4746] sysfs_create_dir_ns+0x26a/0x290
[ 280.416075][ T4746] ? sysfs_warn_dup+0xa0/0xa0
[ 280.420794][ T4746] ? do_raw_spin_unlock+0x11d/0x230
[ 280.426028][ T4746] kobject_add_internal+0x6e0/0xd90
[ 280.431273][ T4746] kobject_init_and_add+0x128/0x190
[ 280.436690][ T4746] ? lockdep_softirqs_off+0x430/0x430
[ 280.442286][ T4746] ? kobject_add+0x230/0x230
[ 280.446923][ T4746] ? __init_swait_queue_head+0xa5/0x150
[ 280.452536][ T4746] gfs2_sys_fs_add+0x24f/0x4b0
[ 280.457355][ T4746] ? gfs2_recover_set+0x240/0x240
[ 280.462417][ T4746] ? snprintf+0xe5/0x140
[ 280.466700][ T4746] ? __free_pages+0x95/0x1a0
[ 280.471340][ T4746] ? vscnprintf+0x80/0x80
[ 280.475715][ T4746] gfs2_fill_super+0x120f/0x1f00
[ 280.480710][ T4746] ? gfs2_reconfigure+0xd30/0xd30
[ 280.485792][ T4746] ? sb_set_blocksize+0xa5/0xe0
[ 280.490681][ T4746] get_tree_bdev+0x3f1/0x610
[ 280.495320][ T4746] ? gfs2_reconfigure+0xd30/0xd30
[ 280.500399][ T4746] gfs2_get_tree+0x4d/0x1e0
[ 280.504951][ T4746] vfs_get_tree+0x88/0x270
[ 280.509411][ T4746] do_new_mount+0x24a/0xa40
[ 280.513960][ T4746] __se_sys_mount+0x2e3/0x3d0
[ 280.518681][ T4746] ? __x64_sys_mount+0xc0/0xc0
[ 280.523498][ T4746] ? lockdep_hardirqs_on+0x94/0x140
[ 280.528761][ T4746] ? __x64_sys_mount+0x1c/0xc0
[ 280.533568][ T4746] do_syscall_64+0x4c/0xa0
[ 280.538038][ T4746] ? clear_bhb_loop+0x30/0x80
[ 280.542750][ T4746] ? clear_bhb_loop+0x30/0x80
[ 280.547464][ T4746] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 280.553388][ T4746] RIP: 0033:0x7f831a7690ca
[ 280.557839][ T4746] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 280.577473][ T4746] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.585934][ T4746] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 280.593949][ T4746] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 280.601957][ T4746] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 280.609960][ T4746] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 280.617977][ T4746] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 280.626001][ T4746]
[ 280.633542][ T4746] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.646747][ T4746] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.927803][ T4747] loop1: detected capacity change from 0 to 32768
[ 280.994621][ T4747] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.002254][ T4747] CPU: 0 PID: 4747 Comm: syz.1.177 Not tainted syzkaller #0
[ 281.009585][ T4747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.019677][ T4747] Call Trace:
[ 281.022999][ T4747]
[ 281.025978][ T4747] dump_stack_lvl+0x188/0x250
[ 281.030715][ T4747] ? show_regs_print_info+0x20/0x20
[ 281.035966][ T4747] ? load_image+0x400/0x400
[ 281.040610][ T4747] sysfs_create_dir_ns+0x26a/0x290
[ 281.045855][ T4747] ? sysfs_warn_dup+0xa0/0xa0
[ 281.050572][ T4747] ? do_raw_spin_unlock+0x11d/0x230
[ 281.055815][ T4747] kobject_add_internal+0x6e0/0xd90
[ 281.061073][ T4747] kobject_init_and_add+0x128/0x190
[ 281.066310][ T4747] ? lockdep_softirqs_off+0x430/0x430
[ 281.071732][ T4747] ? kobject_add+0x230/0x230
[ 281.076369][ T4747] ? __init_swait_queue_head+0xa5/0x150
[ 281.081961][ T4747] gfs2_sys_fs_add+0x24f/0x4b0
[ 281.086764][ T4747] ? gfs2_recover_set+0x240/0x240
[ 281.091828][ T4747] ? snprintf+0xe5/0x140
[ 281.096116][ T4747] ? __free_pages+0x95/0x1a0
[ 281.100758][ T4747] ? vscnprintf+0x80/0x80
[ 281.105153][ T4747] gfs2_fill_super+0x120f/0x1f00
[ 281.110153][ T4747] ? gfs2_reconfigure+0xd30/0xd30
[ 281.115245][ T4747] ? sb_set_blocksize+0xa5/0xe0
[ 281.120133][ T4747] get_tree_bdev+0x3f1/0x610
[ 281.124762][ T4747] ? gfs2_reconfigure+0xd30/0xd30
[ 281.130004][ T4747] gfs2_get_tree+0x4d/0x1e0
[ 281.134565][ T4747] vfs_get_tree+0x88/0x270
[ 281.139026][ T4747] do_new_mount+0x24a/0xa40
[ 281.143584][ T4747] __se_sys_mount+0x2e3/0x3d0
[ 281.148299][ T4747] ? __x64_sys_mount+0xc0/0xc0
[ 281.153104][ T4747] ? lockdep_hardirqs_on+0x94/0x140
[ 281.158336][ T4747] ? __x64_sys_mount+0x1c/0xc0
[ 281.163150][ T4747] do_syscall_64+0x4c/0xa0
[ 281.167595][ T4747] ? clear_bhb_loop+0x30/0x80
[ 281.172309][ T4747] ? clear_bhb_loop+0x30/0x80
[ 281.177036][ T4747] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 281.182979][ T4747] RIP: 0033:0x7f831a7690ca
[ 281.187444][ T4747] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 281.207088][ T4747] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.215552][ T4747] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 281.223559][ T4747] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 281.231565][ T4747] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 281.239575][ T4747] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 281.247583][ T4747] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 281.255624][ T4747]
[ 281.268884][ T4747] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.284523][ T4747] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.689841][ T4748] loop1: detected capacity change from 0 to 32768
[ 281.750047][ T4748] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.758783][ T4748] CPU: 0 PID: 4748 Comm: syz.1.178 Not tainted syzkaller #0
[ 281.766139][ T4748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 281.776235][ T4748] Call Trace:
[ 281.779549][ T4748]
[ 281.782513][ T4748] dump_stack_lvl+0x188/0x250
[ 281.787238][ T4748] ? show_regs_print_info+0x20/0x20
[ 281.792474][ T4748] ? load_image+0x400/0x400
[ 281.797172][ T4748] sysfs_create_dir_ns+0x26a/0x290
[ 281.802336][ T4748] ? sysfs_warn_dup+0xa0/0xa0
[ 281.807066][ T4748] ? do_raw_spin_unlock+0x11d/0x230
[ 281.812314][ T4748] kobject_add_internal+0x6e0/0xd90
[ 281.817577][ T4748] kobject_init_and_add+0x128/0x190
[ 281.822825][ T4748] ? lockdep_softirqs_off+0x430/0x430
[ 281.828333][ T4748] ? kobject_add+0x230/0x230
[ 281.832979][ T4748] ? __init_swait_queue_head+0xa5/0x150
[ 281.838565][ T4748] gfs2_sys_fs_add+0x24f/0x4b0
[ 281.843398][ T4748] ? gfs2_recover_set+0x240/0x240
[ 281.848459][ T4748] ? snprintf+0xe5/0x140
[ 281.852742][ T4748] ? __free_pages+0x95/0x1a0
[ 281.857379][ T4748] ? vscnprintf+0x80/0x80
[ 281.861758][ T4748] gfs2_fill_super+0x120f/0x1f00
[ 281.866865][ T4748] ? gfs2_reconfigure+0xd30/0xd30
[ 281.871946][ T4748] ? sb_set_blocksize+0xa5/0xe0
[ 281.876835][ T4748] get_tree_bdev+0x3f1/0x610
[ 281.881584][ T4748] ? gfs2_reconfigure+0xd30/0xd30
[ 281.886660][ T4748] gfs2_get_tree+0x4d/0x1e0
[ 281.891219][ T4748] vfs_get_tree+0x88/0x270
[ 281.895679][ T4748] do_new_mount+0x24a/0xa40
[ 281.900236][ T4748] __se_sys_mount+0x2e3/0x3d0
[ 281.904964][ T4748] ? __x64_sys_mount+0xc0/0xc0
[ 281.909764][ T4748] ? lockdep_hardirqs_on+0x94/0x140
[ 281.915003][ T4748] ? __x64_sys_mount+0x1c/0xc0
[ 281.919829][ T4748] do_syscall_64+0x4c/0xa0
[ 281.924290][ T4748] ? clear_bhb_loop+0x30/0x80
[ 281.928999][ T4748] ? clear_bhb_loop+0x30/0x80
[ 281.933801][ T4748] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 281.939734][ T4748] RIP: 0033:0x7f831a7690ca
[ 281.944191][ T4748] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 281.963841][ T4748] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.972296][ T4748] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 281.980304][ T4748] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 281.988319][ T4748] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 281.996472][ T4748] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 282.004499][ T4748] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 282.012519][ T4748]
[ 282.017801][ T4748] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.031078][ T4748] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.410797][ T4749] loop1: detected capacity change from 0 to 32768
[ 282.464182][ T4749] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.472279][ T4749] CPU: 1 PID: 4749 Comm: syz.1.179 Not tainted syzkaller #0
[ 282.479626][ T4749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 282.489719][ T4749] Call Trace:
[ 282.493036][ T4749]
[ 282.496005][ T4749] dump_stack_lvl+0x188/0x250
[ 282.500729][ T4749] ? show_regs_print_info+0x20/0x20
[ 282.506064][ T4749] ? load_image+0x400/0x400
[ 282.510617][ T4749] sysfs_create_dir_ns+0x26a/0x290
[ 282.515768][ T4749] ? sysfs_warn_dup+0xa0/0xa0
[ 282.520489][ T4749] ? do_raw_spin_unlock+0x11d/0x230
[ 282.525734][ T4749] kobject_add_internal+0x6e0/0xd90
[ 282.531105][ T4749] kobject_init_and_add+0x128/0x190
[ 282.536350][ T4749] ? lockdep_softirqs_off+0x430/0x430
[ 282.541781][ T4749] ? kobject_add+0x230/0x230
[ 282.546421][ T4749] ? __init_swait_queue_head+0xa5/0x150
[ 282.552021][ T4749] gfs2_sys_fs_add+0x24f/0x4b0
[ 282.556835][ T4749] ? gfs2_recover_set+0x240/0x240
[ 282.561891][ T4749] ? snprintf+0xe5/0x140
[ 282.566167][ T4749] ? __free_pages+0x95/0x1a0
[ 282.570797][ T4749] ? vscnprintf+0x80/0x80
[ 282.575168][ T4749] gfs2_fill_super+0x120f/0x1f00
[ 282.580178][ T4749] ? gfs2_reconfigure+0xd30/0xd30
[ 282.585346][ T4749] ? sb_set_blocksize+0xa5/0xe0
[ 282.590236][ T4749] get_tree_bdev+0x3f1/0x610
[ 282.594868][ T4749] ? gfs2_reconfigure+0xd30/0xd30
[ 282.599926][ T4749] gfs2_get_tree+0x4d/0x1e0
[ 282.604472][ T4749] vfs_get_tree+0x88/0x270
[ 282.608935][ T4749] do_new_mount+0x24a/0xa40
[ 282.613483][ T4749] __se_sys_mount+0x2e3/0x3d0
[ 282.618205][ T4749] ? __x64_sys_mount+0xc0/0xc0
[ 282.623012][ T4749] ? lockdep_hardirqs_on+0x94/0x140
[ 282.628247][ T4749] ? __x64_sys_mount+0x1c/0xc0
[ 282.633052][ T4749] do_syscall_64+0x4c/0xa0
[ 282.637587][ T4749] ? clear_bhb_loop+0x30/0x80
[ 282.642322][ T4749] ? clear_bhb_loop+0x30/0x80
[ 282.647039][ T4749] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.652981][ T4749] RIP: 0033:0x7f831a7690ca
[ 282.657430][ T4749] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 282.677792][ T4749] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.686257][ T4749] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 282.694279][ T4749] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 282.702298][ T4749] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 282.710305][ T4749] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 282.718320][ T4749] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 282.726342][ T4749]
[ 282.732012][ T4749] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.756292][ T4749] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/24 14:46:39 executed programs: 165
[ 283.147761][ T4750] loop1: detected capacity change from 0 to 32768
[ 283.167623][ T4750] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.175262][ T4750] CPU: 0 PID: 4750 Comm: syz.1.180 Not tainted syzkaller #0
[ 283.182607][ T4750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.192695][ T4750] Call Trace:
[ 283.196009][ T4750]
[ 283.198974][ T4750] dump_stack_lvl+0x188/0x250
[ 283.203702][ T4750] ? show_regs_print_info+0x20/0x20
[ 283.209020][ T4750] ? load_image+0x400/0x400
[ 283.213587][ T4750] sysfs_create_dir_ns+0x26a/0x290
[ 283.218742][ T4750] ? sysfs_warn_dup+0xa0/0xa0
[ 283.223464][ T4750] ? do_raw_spin_unlock+0x11d/0x230
[ 283.228841][ T4750] kobject_add_internal+0x6e0/0xd90
[ 283.234102][ T4750] kobject_init_and_add+0x128/0x190
[ 283.239438][ T4750] ? lockdep_softirqs_off+0x430/0x430
[ 283.244849][ T4750] ? kobject_add+0x230/0x230
[ 283.249489][ T4750] ? __init_swait_queue_head+0xa5/0x150
[ 283.255090][ T4750] gfs2_sys_fs_add+0x24f/0x4b0
[ 283.259890][ T4750] ? gfs2_recover_set+0x240/0x240
[ 283.264955][ T4750] ? snprintf+0xe5/0x140
[ 283.269237][ T4750] ? __free_pages+0x95/0x1a0
[ 283.273857][ T4750] ? vscnprintf+0x80/0x80
[ 283.278227][ T4750] gfs2_fill_super+0x120f/0x1f00
[ 283.283211][ T4750] ? gfs2_reconfigure+0xd30/0xd30
[ 283.288312][ T4750] ? sb_set_blocksize+0xa5/0xe0
[ 283.293205][ T4750] get_tree_bdev+0x3f1/0x610
[ 283.297836][ T4750] ? gfs2_reconfigure+0xd30/0xd30
[ 283.302915][ T4750] gfs2_get_tree+0x4d/0x1e0
[ 283.307530][ T4750] vfs_get_tree+0x88/0x270
[ 283.311950][ T4750] do_new_mount+0x24a/0xa40
[ 283.316465][ T4750] __se_sys_mount+0x2e3/0x3d0
[ 283.321149][ T4750] ? __x64_sys_mount+0xc0/0xc0
[ 283.325937][ T4750] ? lockdep_hardirqs_on+0x94/0x140
[ 283.331150][ T4750] ? __x64_sys_mount+0x1c/0xc0
[ 283.335923][ T4750] do_syscall_64+0x4c/0xa0
[ 283.340387][ T4750] ? clear_bhb_loop+0x30/0x80
[ 283.345065][ T4750] ? clear_bhb_loop+0x30/0x80
[ 283.349759][ T4750] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 283.355664][ T4750] RIP: 0033:0x7f831a7690ca
[ 283.360076][ T4750] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 283.379681][ T4750] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.388108][ T4750] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 283.396148][ T4750] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 283.404153][ T4750] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 283.412128][ T4750] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 283.420245][ T4750] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 283.428344][ T4750]
[ 283.433107][ T4750] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.446327][ T4750] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.843994][ T4751] loop1: detected capacity change from 0 to 32768
[ 283.899070][ T4751] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.907686][ T4751] CPU: 0 PID: 4751 Comm: syz.1.181 Not tainted syzkaller #0
[ 283.915124][ T4751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 283.925214][ T4751] Call Trace:
[ 283.928531][ T4751]
[ 283.931497][ T4751] dump_stack_lvl+0x188/0x250
[ 283.936217][ T4751] ? show_regs_print_info+0x20/0x20
[ 283.941464][ T4751] ? load_image+0x400/0x400
[ 283.946217][ T4751] sysfs_create_dir_ns+0x26a/0x290
[ 283.951372][ T4751] ? sysfs_warn_dup+0xa0/0xa0
[ 283.956087][ T4751] ? do_raw_spin_unlock+0x11d/0x230
[ 283.961328][ T4751] kobject_add_internal+0x6e0/0xd90
[ 283.966573][ T4751] kobject_init_and_add+0x128/0x190
[ 283.971826][ T4751] ? lockdep_softirqs_off+0x430/0x430
[ 283.977254][ T4751] ? kobject_add+0x230/0x230
[ 283.981909][ T4751] ? __init_swait_queue_head+0xa5/0x150
[ 283.987509][ T4751] gfs2_sys_fs_add+0x24f/0x4b0
[ 283.992318][ T4751] ? gfs2_recover_set+0x240/0x240
[ 283.997462][ T4751] ? snprintf+0xe5/0x140
[ 284.001847][ T4751] ? __free_pages+0x95/0x1a0
[ 284.006478][ T4751] ? vscnprintf+0x80/0x80
[ 284.010852][ T4751] gfs2_fill_super+0x120f/0x1f00
[ 284.015839][ T4751] ? gfs2_reconfigure+0xd30/0xd30
[ 284.020926][ T4751] ? sb_set_blocksize+0xa5/0xe0
[ 284.025908][ T4751] get_tree_bdev+0x3f1/0x610
[ 284.030561][ T4751] ? gfs2_reconfigure+0xd30/0xd30
[ 284.035630][ T4751] gfs2_get_tree+0x4d/0x1e0
[ 284.040184][ T4751] vfs_get_tree+0x88/0x270
[ 284.044643][ T4751] do_new_mount+0x24a/0xa40
[ 284.049205][ T4751] __se_sys_mount+0x2e3/0x3d0
[ 284.053948][ T4751] ? __x64_sys_mount+0xc0/0xc0
[ 284.058759][ T4751] ? lockdep_hardirqs_on+0x94/0x140
[ 284.063997][ T4751] ? __x64_sys_mount+0x1c/0xc0
[ 284.068813][ T4751] do_syscall_64+0x4c/0xa0
[ 284.073614][ T4751] ? clear_bhb_loop+0x30/0x80
[ 284.078351][ T4751] ? clear_bhb_loop+0x30/0x80
[ 284.083070][ T4751] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 284.089018][ T4751] RIP: 0033:0x7f831a7690ca
[ 284.093484][ T4751] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 284.113129][ T4751] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.121595][ T4751] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 284.129605][ T4751] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 284.137730][ T4751] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 284.145747][ T4751] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 284.153756][ T4751] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 284.161789][ T4751]
[ 284.169201][ T4751] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.182745][ T4751] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.553852][ T4752] loop1: detected capacity change from 0 to 32768
[ 284.635364][ T4752] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.643616][ T4752] CPU: 0 PID: 4752 Comm: syz.1.182 Not tainted syzkaller #0
[ 284.650956][ T4752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 284.661052][ T4752] Call Trace:
[ 284.664364][ T4752]
[ 284.667330][ T4752] dump_stack_lvl+0x188/0x250
[ 284.672046][ T4752] ? show_regs_print_info+0x20/0x20
[ 284.677288][ T4752] ? load_image+0x400/0x400
[ 284.681842][ T4752] sysfs_create_dir_ns+0x26a/0x290
[ 284.687000][ T4752] ? sysfs_warn_dup+0xa0/0xa0
[ 284.691720][ T4752] ? do_raw_spin_unlock+0x11d/0x230
[ 284.696969][ T4752] kobject_add_internal+0x6e0/0xd90
[ 284.702213][ T4752] kobject_init_and_add+0x128/0x190
[ 284.707454][ T4752] ? lockdep_softirqs_off+0x430/0x430
[ 284.712881][ T4752] ? kobject_add+0x230/0x230
[ 284.717519][ T4752] ? __init_swait_queue_head+0xa5/0x150
[ 284.723124][ T4752] gfs2_sys_fs_add+0x24f/0x4b0
[ 284.727942][ T4752] ? gfs2_recover_set+0x240/0x240
[ 284.733102][ T4752] ? snprintf+0xe5/0x140
[ 284.737390][ T4752] ? __free_pages+0x95/0x1a0
[ 284.742025][ T4752] ? vscnprintf+0x80/0x80
[ 284.746395][ T4752] gfs2_fill_super+0x120f/0x1f00
[ 284.751382][ T4752] ? gfs2_reconfigure+0xd30/0xd30
[ 284.756573][ T4752] ? sb_set_blocksize+0xa5/0xe0
[ 284.761465][ T4752] get_tree_bdev+0x3f1/0x610
[ 284.766100][ T4752] ? gfs2_reconfigure+0xd30/0xd30
[ 284.771170][ T4752] gfs2_get_tree+0x4d/0x1e0
[ 284.775707][ T4752] vfs_get_tree+0x88/0x270
[ 284.780163][ T4752] do_new_mount+0x24a/0xa40
[ 284.784707][ T4752] __se_sys_mount+0x2e3/0x3d0
[ 284.789428][ T4752] ? __x64_sys_mount+0xc0/0xc0
[ 284.794237][ T4752] ? lockdep_hardirqs_on+0x94/0x140
[ 284.799463][ T4752] ? __x64_sys_mount+0x1c/0xc0
[ 284.804229][ T4752] do_syscall_64+0x4c/0xa0
[ 284.808657][ T4752] ? clear_bhb_loop+0x30/0x80
[ 284.813357][ T4752] ? clear_bhb_loop+0x30/0x80
[ 284.818036][ T4752] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 284.823966][ T4752] RIP: 0033:0x7f831a7690ca
[ 284.828400][ T4752] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 284.848112][ T4752] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.856676][ T4752] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 284.864683][ T4752] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 284.872690][ T4752] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 284.880683][ T4752] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 284.888786][ T4752] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 284.896785][ T4752]
[ 284.901584][ T4752] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.914886][ T4752] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.316498][ T4753] loop1: detected capacity change from 0 to 32768
[ 285.387471][ T4753] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.411539][ T4753] CPU: 1 PID: 4753 Comm: syz.1.183 Not tainted syzkaller #0
[ 285.418897][ T4753] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 285.429000][ T4753] Call Trace:
[ 285.432318][ T4753]
[ 285.435284][ T4753] dump_stack_lvl+0x188/0x250
[ 285.440017][ T4753] ? show_regs_print_info+0x20/0x20
[ 285.445254][ T4753] ? load_image+0x400/0x400
[ 285.449796][ T4753] sysfs_create_dir_ns+0x26a/0x290
[ 285.454942][ T4753] ? sysfs_warn_dup+0xa0/0xa0
[ 285.459658][ T4753] ? do_raw_spin_unlock+0x11d/0x230
[ 285.464905][ T4753] kobject_add_internal+0x6e0/0xd90
[ 285.470158][ T4753] kobject_init_and_add+0x128/0x190
[ 285.475392][ T4753] ? lockdep_softirqs_off+0x430/0x430
[ 285.480801][ T4753] ? kobject_add+0x230/0x230
[ 285.485507][ T4753] ? __init_swait_queue_head+0xa5/0x150
[ 285.491086][ T4753] gfs2_sys_fs_add+0x24f/0x4b0
[ 285.495886][ T4753] ? gfs2_recover_set+0x240/0x240
[ 285.500947][ T4753] ? snprintf+0xe5/0x140
[ 285.505225][ T4753] ? __free_pages+0x95/0x1a0
[ 285.509844][ T4753] ? vscnprintf+0x80/0x80
[ 285.514221][ T4753] gfs2_fill_super+0x120f/0x1f00
[ 285.519204][ T4753] ? gfs2_reconfigure+0xd30/0xd30
[ 285.524279][ T4753] ? sb_set_blocksize+0xa5/0xe0
[ 285.529167][ T4753] get_tree_bdev+0x3f1/0x610
[ 285.533799][ T4753] ? gfs2_reconfigure+0xd30/0xd30
[ 285.538867][ T4753] gfs2_get_tree+0x4d/0x1e0
[ 285.543420][ T4753] vfs_get_tree+0x88/0x270
[ 285.547890][ T4753] do_new_mount+0x24a/0xa40
[ 285.552437][ T4753] __se_sys_mount+0x2e3/0x3d0
[ 285.557154][ T4753] ? __x64_sys_mount+0xc0/0xc0
[ 285.561957][ T4753] ? lockdep_hardirqs_on+0x94/0x140
[ 285.567195][ T4753] ? __x64_sys_mount+0x1c/0xc0
[ 285.572001][ T4753] do_syscall_64+0x4c/0xa0
[ 285.576452][ T4753] ? clear_bhb_loop+0x30/0x80
[ 285.581168][ T4753] ? clear_bhb_loop+0x30/0x80
[ 285.585895][ T4753] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.591828][ T4753] RIP: 0033:0x7f831a7690ca
[ 285.596268][ T4753] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 285.615906][ T4753] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.624553][ T4753] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 285.632565][ T4753] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 285.640577][ T4753] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 285.648583][ T4753] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 285.656592][ T4753] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 285.664717][ T4753]
[ 285.673970][ T4753] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.687235][ T4753] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.019176][ T4754] loop1: detected capacity change from 0 to 32768
[ 286.038084][ T4754] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.046905][ T4754] CPU: 0 PID: 4754 Comm: syz.1.184 Not tainted syzkaller #0
[ 286.054342][ T4754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.064434][ T4754] Call Trace:
[ 286.067753][ T4754]
[ 286.070713][ T4754] dump_stack_lvl+0x188/0x250
[ 286.075429][ T4754] ? show_regs_print_info+0x20/0x20
[ 286.080661][ T4754] ? load_image+0x400/0x400
[ 286.085224][ T4754] sysfs_create_dir_ns+0x26a/0x290
[ 286.090476][ T4754] ? sysfs_warn_dup+0xa0/0xa0
[ 286.095190][ T4754] ? do_raw_spin_unlock+0x11d/0x230
[ 286.100430][ T4754] kobject_add_internal+0x6e0/0xd90
[ 286.105676][ T4754] kobject_init_and_add+0x128/0x190
[ 286.110910][ T4754] ? lockdep_softirqs_off+0x430/0x430
[ 286.116327][ T4754] ? kobject_add+0x230/0x230
[ 286.121238][ T4754] ? __init_swait_queue_head+0xa5/0x150
[ 286.126832][ T4754] gfs2_sys_fs_add+0x24f/0x4b0
[ 286.131645][ T4754] ? gfs2_recover_set+0x240/0x240
[ 286.136826][ T4754] ? snprintf+0xe5/0x140
[ 286.141139][ T4754] ? __free_pages+0x95/0x1a0
[ 286.145782][ T4754] ? vscnprintf+0x80/0x80
[ 286.150162][ T4754] gfs2_fill_super+0x120f/0x1f00
[ 286.155157][ T4754] ? gfs2_reconfigure+0xd30/0xd30
[ 286.160238][ T4754] ? sb_set_blocksize+0xa5/0xe0
[ 286.165130][ T4754] get_tree_bdev+0x3f1/0x610
[ 286.169761][ T4754] ? gfs2_reconfigure+0xd30/0xd30
[ 286.174830][ T4754] gfs2_get_tree+0x4d/0x1e0
[ 286.179401][ T4754] vfs_get_tree+0x88/0x270
[ 286.183941][ T4754] do_new_mount+0x24a/0xa40
[ 286.188493][ T4754] __se_sys_mount+0x2e3/0x3d0
[ 286.193223][ T4754] ? __x64_sys_mount+0xc0/0xc0
[ 286.198041][ T4754] ? lockdep_hardirqs_on+0x94/0x140
[ 286.203303][ T4754] ? __x64_sys_mount+0x1c/0xc0
[ 286.208115][ T4754] do_syscall_64+0x4c/0xa0
[ 286.212571][ T4754] ? clear_bhb_loop+0x30/0x80
[ 286.217275][ T4754] ? clear_bhb_loop+0x30/0x80
[ 286.221991][ T4754] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.228003][ T4754] RIP: 0033:0x7f831a7690ca
[ 286.232531][ T4754] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 286.252273][ T4754] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.260812][ T4754] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 286.268816][ T4754] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 286.276824][ T4754] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 286.284824][ T4754] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 286.292835][ T4754] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 286.301002][ T4754]
[ 286.307287][ T4754] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.320764][ T4754] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.723569][ T4755] loop1: detected capacity change from 0 to 32768
[ 286.772935][ T4755] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.781974][ T4755] CPU: 1 PID: 4755 Comm: syz.1.185 Not tainted syzkaller #0
[ 286.789307][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 286.799407][ T4755] Call Trace:
[ 286.802729][ T4755]
[ 286.805697][ T4755] dump_stack_lvl+0x188/0x250
[ 286.810446][ T4755] ? show_regs_print_info+0x20/0x20
[ 286.815800][ T4755] ? load_image+0x400/0x400
[ 286.820353][ T4755] sysfs_create_dir_ns+0x26a/0x290
[ 286.825639][ T4755] ? sysfs_warn_dup+0xa0/0xa0
[ 286.830384][ T4755] ? do_raw_spin_unlock+0x11d/0x230
[ 286.835651][ T4755] kobject_add_internal+0x6e0/0xd90
[ 286.840908][ T4755] kobject_init_and_add+0x128/0x190
[ 286.846148][ T4755] ? lockdep_softirqs_off+0x430/0x430
[ 286.851600][ T4755] ? kobject_add+0x230/0x230
[ 286.856241][ T4755] ? __init_swait_queue_head+0xa5/0x150
[ 286.861851][ T4755] gfs2_sys_fs_add+0x24f/0x4b0
[ 286.866656][ T4755] ? gfs2_recover_set+0x240/0x240
[ 286.871723][ T4755] ? snprintf+0xe5/0x140
[ 286.876000][ T4755] ? __free_pages+0x95/0x1a0
[ 286.880635][ T4755] ? vscnprintf+0x80/0x80
[ 286.885017][ T4755] gfs2_fill_super+0x120f/0x1f00
[ 286.890003][ T4755] ? gfs2_reconfigure+0xd30/0xd30
[ 286.895082][ T4755] ? sb_set_blocksize+0xa5/0xe0
[ 286.899969][ T4755] get_tree_bdev+0x3f1/0x610
[ 286.904613][ T4755] ? gfs2_reconfigure+0xd30/0xd30
[ 286.909680][ T4755] gfs2_get_tree+0x4d/0x1e0
[ 286.914240][ T4755] vfs_get_tree+0x88/0x270
[ 286.918700][ T4755] do_new_mount+0x24a/0xa40
[ 286.923246][ T4755] __se_sys_mount+0x2e3/0x3d0
[ 286.927967][ T4755] ? __x64_sys_mount+0xc0/0xc0
[ 286.932835][ T4755] ? lockdep_hardirqs_on+0x94/0x140
[ 286.938078][ T4755] ? __x64_sys_mount+0x1c/0xc0
[ 286.942878][ T4755] do_syscall_64+0x4c/0xa0
[ 286.947331][ T4755] ? clear_bhb_loop+0x30/0x80
[ 286.952053][ T4755] ? clear_bhb_loop+0x30/0x80
[ 286.956770][ T4755] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.962705][ T4755] RIP: 0033:0x7f831a7690ca
[ 286.967152][ T4755] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 286.986794][ T4755] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.995249][ T4755] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 287.003256][ T4755] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 287.011272][ T4755] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 287.019283][ T4755] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 287.027307][ T4755] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 287.035327][ T4755]
[ 287.050379][ T4755] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.063676][ T4755] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.449122][ T4756] loop1: detected capacity change from 0 to 32768
[ 287.459733][ T4756] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.468183][ T4756] CPU: 0 PID: 4756 Comm: syz.1.186 Not tainted syzkaller #0
[ 287.475880][ T4756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 287.485979][ T4756] Call Trace:
[ 287.489297][ T4756]
[ 287.492271][ T4756] dump_stack_lvl+0x188/0x250
[ 287.496989][ T4756] ? show_regs_print_info+0x20/0x20
[ 287.502238][ T4756] ? load_image+0x400/0x400
[ 287.506806][ T4756] sysfs_create_dir_ns+0x26a/0x290
[ 287.511960][ T4756] ? sysfs_warn_dup+0xa0/0xa0
[ 287.516693][ T4756] ? do_raw_spin_unlock+0x11d/0x230
[ 287.521940][ T4756] kobject_add_internal+0x6e0/0xd90
[ 287.527184][ T4756] kobject_init_and_add+0x128/0x190
[ 287.532418][ T4756] ? lockdep_softirqs_off+0x430/0x430
[ 287.537844][ T4756] ? kobject_add+0x230/0x230
[ 287.542472][ T4756] ? __init_swait_queue_head+0xa5/0x150
[ 287.548063][ T4756] gfs2_sys_fs_add+0x24f/0x4b0
[ 287.552877][ T4756] ? gfs2_recover_set+0x240/0x240
[ 287.557948][ T4756] ? snprintf+0xe5/0x140
[ 287.562223][ T4756] ? __free_pages+0x95/0x1a0
[ 287.566939][ T4756] ? vscnprintf+0x80/0x80
[ 287.571316][ T4756] gfs2_fill_super+0x120f/0x1f00
[ 287.576301][ T4756] ? gfs2_reconfigure+0xd30/0xd30
[ 287.581373][ T4756] ? sb_set_blocksize+0xa5/0xe0
[ 287.586273][ T4756] get_tree_bdev+0x3f1/0x610
[ 287.590901][ T4756] ? gfs2_reconfigure+0xd30/0xd30
[ 287.596008][ T4756] gfs2_get_tree+0x4d/0x1e0
[ 287.600560][ T4756] vfs_get_tree+0x88/0x270
[ 287.605007][ T4756] do_new_mount+0x24a/0xa40
[ 287.609521][ T4756] __se_sys_mount+0x2e3/0x3d0
[ 287.614205][ T4756] ? __x64_sys_mount+0xc0/0xc0
[ 287.619102][ T4756] ? lockdep_hardirqs_on+0x94/0x140
[ 287.624317][ T4756] ? __x64_sys_mount+0x1c/0xc0
[ 287.629116][ T4756] do_syscall_64+0x4c/0xa0
[ 287.633539][ T4756] ? clear_bhb_loop+0x30/0x80
[ 287.638222][ T4756] ? clear_bhb_loop+0x30/0x80
[ 287.642902][ T4756] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 287.648893][ T4756] RIP: 0033:0x7f831a7690ca
[ 287.653312][ T4756] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 287.672932][ T4756] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.681387][ T4756] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 287.689380][ T4756] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 287.697355][ T4756] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 287.705337][ T4756] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 287.713330][ T4756] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 287.721403][ T4756]
[ 287.726181][ T4756] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.739946][ T4756] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.127118][ T4757] loop1: detected capacity change from 0 to 32768
[ 288.182775][ T4757] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.190230][ T4757] CPU: 1 PID: 4757 Comm: syz.1.187 Not tainted syzkaller #0
[ 288.197559][ T4757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.207649][ T4757] Call Trace:
[ 288.210967][ T4757]
[ 288.213940][ T4757] dump_stack_lvl+0x188/0x250
[ 288.218674][ T4757] ? show_regs_print_info+0x20/0x20
[ 288.223917][ T4757] ? load_image+0x400/0x400
[ 288.228646][ T4757] sysfs_create_dir_ns+0x26a/0x290
[ 288.233806][ T4757] ? sysfs_warn_dup+0xa0/0xa0
[ 288.238539][ T4757] ? do_raw_spin_unlock+0x11d/0x230
[ 288.243786][ T4757] kobject_add_internal+0x6e0/0xd90
[ 288.249033][ T4757] kobject_init_and_add+0x128/0x190
[ 288.254268][ T4757] ? lockdep_softirqs_off+0x430/0x430
[ 288.259695][ T4757] ? kobject_add+0x230/0x230
[ 288.264335][ T4757] ? __init_swait_queue_head+0xa5/0x150
[ 288.269924][ T4757] gfs2_sys_fs_add+0x24f/0x4b0
[ 288.274735][ T4757] ? gfs2_recover_set+0x240/0x240
[ 288.279800][ T4757] ? snprintf+0xe5/0x140
[ 288.284082][ T4757] ? __free_pages+0x95/0x1a0
[ 288.288714][ T4757] ? vscnprintf+0x80/0x80
[ 288.293091][ T4757] gfs2_fill_super+0x120f/0x1f00
[ 288.298204][ T4757] ? gfs2_reconfigure+0xd30/0xd30
[ 288.303285][ T4757] ? sb_set_blocksize+0xa5/0xe0
[ 288.308175][ T4757] get_tree_bdev+0x3f1/0x610
[ 288.312812][ T4757] ? gfs2_reconfigure+0xd30/0xd30
[ 288.317890][ T4757] gfs2_get_tree+0x4d/0x1e0
[ 288.322451][ T4757] vfs_get_tree+0x88/0x270
[ 288.326931][ T4757] do_new_mount+0x24a/0xa40
[ 288.331490][ T4757] __se_sys_mount+0x2e3/0x3d0
[ 288.336206][ T4757] ? __x64_sys_mount+0xc0/0xc0
[ 288.341007][ T4757] ? lockdep_hardirqs_on+0x94/0x140
[ 288.346261][ T4757] ? __x64_sys_mount+0x1c/0xc0
[ 288.351065][ T4757] do_syscall_64+0x4c/0xa0
[ 288.355510][ T4757] ? clear_bhb_loop+0x30/0x80
[ 288.360377][ T4757] ? clear_bhb_loop+0x30/0x80
[ 288.365106][ T4757] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.371040][ T4757] RIP: 0033:0x7f831a7690ca
[ 288.375501][ T4757] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 288.395242][ T4757] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.403691][ T4757] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 288.411695][ T4757] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 288.419702][ T4757] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 288.427709][ T4757] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 288.435807][ T4757] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 288.443827][ T4757]
[ 288.452353][ T4757] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.465967][ T4757] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/24 14:46:44 executed programs: 173
[ 288.745061][ T4758] loop1: detected capacity change from 0 to 32768
[ 288.760109][ T4758] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.768099][ T4758] CPU: 1 PID: 4758 Comm: syz.1.188 Not tainted syzkaller #0
[ 288.775429][ T4758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 288.785520][ T4758] Call Trace:
[ 288.788850][ T4758]
[ 288.791813][ T4758] dump_stack_lvl+0x188/0x250
[ 288.796526][ T4758] ? show_regs_print_info+0x20/0x20
[ 288.801768][ T4758] ? load_image+0x400/0x400
[ 288.806334][ T4758] sysfs_create_dir_ns+0x26a/0x290
[ 288.811488][ T4758] ? sysfs_warn_dup+0xa0/0xa0
[ 288.816302][ T4758] ? do_raw_spin_unlock+0x11d/0x230
[ 288.821549][ T4758] kobject_add_internal+0x6e0/0xd90
[ 288.826807][ T4758] kobject_init_and_add+0x128/0x190
[ 288.832035][ T4758] ? lockdep_softirqs_off+0x430/0x430
[ 288.837452][ T4758] ? kobject_add+0x230/0x230
[ 288.842079][ T4758] ? __init_swait_queue_head+0xa5/0x150
[ 288.847676][ T4758] gfs2_sys_fs_add+0x24f/0x4b0
[ 288.852481][ T4758] ? gfs2_recover_set+0x240/0x240
[ 288.857537][ T4758] ? snprintf+0xe5/0x140
[ 288.861816][ T4758] ? __free_pages+0x95/0x1a0
[ 288.866442][ T4758] ? vscnprintf+0x80/0x80
[ 288.870811][ T4758] gfs2_fill_super+0x120f/0x1f00
[ 288.875787][ T4758] ? gfs2_reconfigure+0xd30/0xd30
[ 288.880862][ T4758] ? sb_set_blocksize+0xa5/0xe0
[ 288.885745][ T4758] get_tree_bdev+0x3f1/0x610
[ 288.890373][ T4758] ? gfs2_reconfigure+0xd30/0xd30
[ 288.895402][ T4758] gfs2_get_tree+0x4d/0x1e0
[ 288.899905][ T4758] vfs_get_tree+0x88/0x270
[ 288.904339][ T4758] do_new_mount+0x24a/0xa40
[ 288.908877][ T4758] __se_sys_mount+0x2e3/0x3d0
[ 288.913559][ T4758] ? __x64_sys_mount+0xc0/0xc0
[ 288.918331][ T4758] ? lockdep_hardirqs_on+0x94/0x140
[ 288.923535][ T4758] ? __x64_sys_mount+0x1c/0xc0
[ 288.928307][ T4758] do_syscall_64+0x4c/0xa0
[ 288.932727][ T4758] ? clear_bhb_loop+0x30/0x80
[ 288.937422][ T4758] ? clear_bhb_loop+0x30/0x80
[ 288.942099][ T4758] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.947995][ T4758] RIP: 0033:0x7f831a7690ca
[ 288.952418][ T4758] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 288.972025][ T4758] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.980441][ T4758] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 288.988422][ T4758] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 288.996405][ T4758] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 289.004400][ T4758] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 289.012377][ T4758] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 289.020365][ T4758]
[ 289.026366][ T4758] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.039763][ T4758] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.429019][ T4759] loop1: detected capacity change from 0 to 32768
[ 289.439586][ T4759] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.447942][ T4759] CPU: 0 PID: 4759 Comm: syz.1.189 Not tainted syzkaller #0
[ 289.455277][ T4759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 289.465366][ T4759] Call Trace:
[ 289.468674][ T4759]
[ 289.471654][ T4759] dump_stack_lvl+0x188/0x250
[ 289.476382][ T4759] ? show_regs_print_info+0x20/0x20
[ 289.481617][ T4759] ? load_image+0x400/0x400
[ 289.486169][ T4759] sysfs_create_dir_ns+0x26a/0x290
[ 289.491318][ T4759] ? sysfs_warn_dup+0xa0/0xa0
[ 289.496119][ T4759] ? do_raw_spin_unlock+0x11d/0x230
[ 289.501361][ T4759] kobject_add_internal+0x6e0/0xd90
[ 289.506614][ T4759] kobject_init_and_add+0x128/0x190
[ 289.511998][ T4759] ? lockdep_softirqs_off+0x430/0x430
[ 289.517421][ T4759] ? kobject_add+0x230/0x230
[ 289.522077][ T4759] ? __init_swait_queue_head+0xa5/0x150
[ 289.527755][ T4759] gfs2_sys_fs_add+0x24f/0x4b0
[ 289.532584][ T4759] ? gfs2_recover_set+0x240/0x240
[ 289.537643][ T4759] ? snprintf+0xe5/0x140
[ 289.541916][ T4759] ? __free_pages+0x95/0x1a0
[ 289.546547][ T4759] ? vscnprintf+0x80/0x80
[ 289.550948][ T4759] gfs2_fill_super+0x120f/0x1f00
[ 289.555944][ T4759] ? gfs2_reconfigure+0xd30/0xd30
[ 289.561021][ T4759] ? sb_set_blocksize+0xa5/0xe0
[ 289.565904][ T4759] get_tree_bdev+0x3f1/0x610
[ 289.570533][ T4759] ? gfs2_reconfigure+0xd30/0xd30
[ 289.575594][ T4759] gfs2_get_tree+0x4d/0x1e0
[ 289.580154][ T4759] vfs_get_tree+0x88/0x270
[ 289.584611][ T4759] do_new_mount+0x24a/0xa40
[ 289.589121][ T4759] __se_sys_mount+0x2e3/0x3d0
[ 289.593804][ T4759] ? __x64_sys_mount+0xc0/0xc0
[ 289.598593][ T4759] ? lockdep_hardirqs_on+0x94/0x140
[ 289.603797][ T4759] ? __x64_sys_mount+0x1c/0xc0
[ 289.608574][ T4759] do_syscall_64+0x4c/0xa0
[ 289.612989][ T4759] ? clear_bhb_loop+0x30/0x80
[ 289.617681][ T4759] ? clear_bhb_loop+0x30/0x80
[ 289.622372][ T4759] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 289.628263][ T4759] RIP: 0033:0x7f831a7690ca
[ 289.632676][ T4759] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 289.652297][ T4759] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.660835][ T4759] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 289.668820][ T4759] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 289.676791][ T4759] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 289.684815][ T4759] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 289.692787][ T4759] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 289.700775][ T4759]
[ 289.706017][ T4759] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.719307][ T4759] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.123502][ T4760] loop1: detected capacity change from 0 to 32768
[ 290.204227][ T4760] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.212056][ T4760] CPU: 0 PID: 4760 Comm: syz.1.190 Not tainted syzkaller #0
[ 290.219789][ T4760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.229885][ T4760] Call Trace:
[ 290.233204][ T4760]
[ 290.236177][ T4760] dump_stack_lvl+0x188/0x250
[ 290.240898][ T4760] ? show_regs_print_info+0x20/0x20
[ 290.246138][ T4760] ? load_image+0x400/0x400
[ 290.250699][ T4760] sysfs_create_dir_ns+0x26a/0x290
[ 290.255859][ T4760] ? sysfs_warn_dup+0xa0/0xa0
[ 290.260578][ T4760] ? do_raw_spin_unlock+0x11d/0x230
[ 290.265857][ T4760] kobject_add_internal+0x6e0/0xd90
[ 290.271110][ T4760] kobject_init_and_add+0x128/0x190
[ 290.276349][ T4760] ? lockdep_softirqs_off+0x430/0x430
[ 290.281792][ T4760] ? kobject_add+0x230/0x230
[ 290.286439][ T4760] ? __init_swait_queue_head+0xa5/0x150
[ 290.292034][ T4760] gfs2_sys_fs_add+0x24f/0x4b0
[ 290.296831][ T4760] ? gfs2_recover_set+0x240/0x240
[ 290.302013][ T4760] ? snprintf+0xe5/0x140
[ 290.306308][ T4760] ? __free_pages+0x95/0x1a0
[ 290.310928][ T4760] ? vscnprintf+0x80/0x80
[ 290.315301][ T4760] gfs2_fill_super+0x120f/0x1f00
[ 290.320373][ T4760] ? gfs2_reconfigure+0xd30/0xd30
[ 290.325449][ T4760] ? sb_set_blocksize+0xa5/0xe0
[ 290.330359][ T4760] get_tree_bdev+0x3f1/0x610
[ 290.334987][ T4760] ? gfs2_reconfigure+0xd30/0xd30
[ 290.340058][ T4760] gfs2_get_tree+0x4d/0x1e0
[ 290.344629][ T4760] vfs_get_tree+0x88/0x270
[ 290.349093][ T4760] do_new_mount+0x24a/0xa40
[ 290.353736][ T4760] __se_sys_mount+0x2e3/0x3d0
[ 290.358459][ T4760] ? __x64_sys_mount+0xc0/0xc0
[ 290.363278][ T4760] ? lockdep_hardirqs_on+0x94/0x140
[ 290.368600][ T4760] ? __x64_sys_mount+0x1c/0xc0
[ 290.373408][ T4760] do_syscall_64+0x4c/0xa0
[ 290.377885][ T4760] ? clear_bhb_loop+0x30/0x80
[ 290.382620][ T4760] ? clear_bhb_loop+0x30/0x80
[ 290.387337][ T4760] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 290.393265][ T4760] RIP: 0033:0x7f831a7690ca
[ 290.397720][ T4760] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 290.417371][ T4760] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.425843][ T4760] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 290.433937][ T4760] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 290.441950][ T4760] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 290.449982][ T4760] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 290.458024][ T4760] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 290.466045][ T4760]
[ 290.472112][ T4760] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.485835][ T4760] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.861163][ T4761] loop1: detected capacity change from 0 to 32768
[ 290.880925][ T4761] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.888441][ T4761] CPU: 0 PID: 4761 Comm: syz.1.191 Not tainted syzkaller #0
[ 290.895772][ T4761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 290.906066][ T4761] Call Trace:
[ 290.909377][ T4761]
[ 290.912339][ T4761] dump_stack_lvl+0x188/0x250
[ 290.917059][ T4761] ? show_regs_print_info+0x20/0x20
[ 290.922297][ T4761] ? load_image+0x400/0x400
[ 290.926848][ T4761] sysfs_create_dir_ns+0x26a/0x290
[ 290.931998][ T4761] ? sysfs_warn_dup+0xa0/0xa0
[ 290.936716][ T4761] ? do_raw_spin_unlock+0x11d/0x230
[ 290.941956][ T4761] kobject_add_internal+0x6e0/0xd90
[ 290.947203][ T4761] kobject_init_and_add+0x128/0x190
[ 290.952443][ T4761] ? lockdep_softirqs_off+0x430/0x430
[ 290.957981][ T4761] ? kobject_add+0x230/0x230
[ 290.962618][ T4761] ? __init_swait_queue_head+0xa5/0x150
[ 290.968221][ T4761] gfs2_sys_fs_add+0x24f/0x4b0
[ 290.973026][ T4761] ? gfs2_recover_set+0x240/0x240
[ 290.978085][ T4761] ? snprintf+0xe5/0x140
[ 290.982397][ T4761] ? __free_pages+0x95/0x1a0
[ 290.987042][ T4761] ? vscnprintf+0x80/0x80
[ 290.991417][ T4761] gfs2_fill_super+0x120f/0x1f00
[ 290.996509][ T4761] ? gfs2_reconfigure+0xd30/0xd30
[ 291.001683][ T4761] ? sb_set_blocksize+0xa5/0xe0
[ 291.006582][ T4761] get_tree_bdev+0x3f1/0x610
[ 291.011500][ T4761] ? gfs2_reconfigure+0xd30/0xd30
[ 291.016577][ T4761] gfs2_get_tree+0x4d/0x1e0
[ 291.021134][ T4761] vfs_get_tree+0x88/0x270
[ 291.025594][ T4761] do_new_mount+0x24a/0xa40
[ 291.030149][ T4761] __se_sys_mount+0x2e3/0x3d0
[ 291.034877][ T4761] ? __x64_sys_mount+0xc0/0xc0
[ 291.039692][ T4761] ? lockdep_hardirqs_on+0x94/0x140
[ 291.044925][ T4761] ? __x64_sys_mount+0x1c/0xc0
[ 291.049723][ T4761] do_syscall_64+0x4c/0xa0
[ 291.054172][ T4761] ? clear_bhb_loop+0x30/0x80
[ 291.058884][ T4761] ? clear_bhb_loop+0x30/0x80
[ 291.063594][ T4761] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.069523][ T4761] RIP: 0033:0x7f831a7690ca
[ 291.073971][ T4761] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 291.093621][ T4761] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.102078][ T4761] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 291.110076][ T4761] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 291.118086][ T4761] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 291.126087][ T4761] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 291.134104][ T4761] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 291.142125][ T4761]
[ 291.148823][ T4761] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.162336][ T4761] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.526036][ T4762] loop1: detected capacity change from 0 to 32768
[ 291.585960][ T4762] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.593548][ T4762] CPU: 0 PID: 4762 Comm: syz.1.192 Not tainted syzkaller #0
[ 291.600971][ T4762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 291.611147][ T4762] Call Trace:
[ 291.614469][ T4762]
[ 291.617438][ T4762] dump_stack_lvl+0x188/0x250
[ 291.622149][ T4762] ? show_regs_print_info+0x20/0x20
[ 291.627386][ T4762] ? load_image+0x400/0x400
[ 291.631945][ T4762] sysfs_create_dir_ns+0x26a/0x290
[ 291.637098][ T4762] ? sysfs_warn_dup+0xa0/0xa0
[ 291.641819][ T4762] ? do_raw_spin_unlock+0x11d/0x230
[ 291.647059][ T4762] kobject_add_internal+0x6e0/0xd90
[ 291.652322][ T4762] kobject_init_and_add+0x128/0x190
[ 291.657557][ T4762] ? lockdep_softirqs_off+0x430/0x430
[ 291.662964][ T4762] ? kobject_add+0x230/0x230
[ 291.667611][ T4762] ? __init_swait_queue_head+0xa5/0x150
[ 291.673207][ T4762] gfs2_sys_fs_add+0x24f/0x4b0
[ 291.678007][ T4762] ? gfs2_recover_set+0x240/0x240
[ 291.683062][ T4762] ? snprintf+0xe5/0x140
[ 291.687340][ T4762] ? __free_pages+0x95/0x1a0
[ 291.691962][ T4762] ? vscnprintf+0x80/0x80
[ 291.696339][ T4762] gfs2_fill_super+0x120f/0x1f00
[ 291.701317][ T4762] ? gfs2_reconfigure+0xd30/0xd30
[ 291.706394][ T4762] ? sb_set_blocksize+0xa5/0xe0
[ 291.711286][ T4762] get_tree_bdev+0x3f1/0x610
[ 291.715920][ T4762] ? gfs2_reconfigure+0xd30/0xd30
[ 291.720981][ T4762] gfs2_get_tree+0x4d/0x1e0
[ 291.725522][ T4762] vfs_get_tree+0x88/0x270
[ 291.729976][ T4762] do_new_mount+0x24a/0xa40
[ 291.734533][ T4762] __se_sys_mount+0x2e3/0x3d0
[ 291.739260][ T4762] ? __x64_sys_mount+0xc0/0xc0
[ 291.744062][ T4762] ? lockdep_hardirqs_on+0x94/0x140
[ 291.749289][ T4762] ? __x64_sys_mount+0x1c/0xc0
[ 291.754087][ T4762] do_syscall_64+0x4c/0xa0
[ 291.758532][ T4762] ? clear_bhb_loop+0x30/0x80
[ 291.763251][ T4762] ? clear_bhb_loop+0x30/0x80
[ 291.767968][ T4762] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.773888][ T4762] RIP: 0033:0x7f831a7690ca
[ 291.778337][ T4762] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 291.797971][ T4762] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.806435][ T4762] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 291.814441][ T4762] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 291.822443][ T4762] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 291.830447][ T4762] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 291.838450][ T4762] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 291.846488][ T4762]
[ 291.850591][ T4762] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.865820][ T4762] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.246681][ T4763] loop1: detected capacity change from 0 to 32768
[ 292.312742][ T4763] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.320188][ T4763] CPU: 1 PID: 4763 Comm: syz.1.193 Not tainted syzkaller #0
[ 292.327589][ T4763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 292.337668][ T4763] Call Trace:
[ 292.341004][ T4763]
[ 292.343967][ T4763] dump_stack_lvl+0x188/0x250
[ 292.348722][ T4763] ? show_regs_print_info+0x20/0x20
[ 292.353965][ T4763] ? load_image+0x400/0x400
[ 292.358524][ T4763] sysfs_create_dir_ns+0x26a/0x290
[ 292.363675][ T4763] ? sysfs_warn_dup+0xa0/0xa0
[ 292.368386][ T4763] ? do_raw_spin_unlock+0x11d/0x230
[ 292.373628][ T4763] kobject_add_internal+0x6e0/0xd90
[ 292.378879][ T4763] kobject_init_and_add+0x128/0x190
[ 292.384202][ T4763] ? lockdep_softirqs_off+0x430/0x430
[ 292.389625][ T4763] ? kobject_add+0x230/0x230
[ 292.394265][ T4763] ? __init_swait_queue_head+0xa5/0x150
[ 292.399858][ T4763] gfs2_sys_fs_add+0x24f/0x4b0
[ 292.404663][ T4763] ? gfs2_recover_set+0x240/0x240
[ 292.409722][ T4763] ? snprintf+0xe5/0x140
[ 292.413999][ T4763] ? __free_pages+0x95/0x1a0
[ 292.418711][ T4763] ? vscnprintf+0x80/0x80
[ 292.423082][ T4763] gfs2_fill_super+0x120f/0x1f00
[ 292.428075][ T4763] ? gfs2_reconfigure+0xd30/0xd30
[ 292.433166][ T4763] ? sb_set_blocksize+0xa5/0xe0
[ 292.438060][ T4763] get_tree_bdev+0x3f1/0x610
[ 292.442684][ T4763] ? gfs2_reconfigure+0xd30/0xd30
[ 292.447747][ T4763] gfs2_get_tree+0x4d/0x1e0
[ 292.452318][ T4763] vfs_get_tree+0x88/0x270
[ 292.456782][ T4763] do_new_mount+0x24a/0xa40
[ 292.461323][ T4763] __se_sys_mount+0x2e3/0x3d0
[ 292.466120][ T4763] ? __x64_sys_mount+0xc0/0xc0
[ 292.470913][ T4763] ? lockdep_hardirqs_on+0x94/0x140
[ 292.476134][ T4763] ? __x64_sys_mount+0x1c/0xc0
[ 292.480924][ T4763] do_syscall_64+0x4c/0xa0
[ 292.485404][ T4763] ? clear_bhb_loop+0x30/0x80
[ 292.490116][ T4763] ? clear_bhb_loop+0x30/0x80
[ 292.494820][ T4763] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 292.500738][ T4763] RIP: 0033:0x7f831a7690ca
[ 292.505208][ T4763] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 292.524855][ T4763] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.533335][ T4763] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 292.541335][ T4763] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 292.549352][ T4763] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 292.557347][ T4763] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 292.565353][ T4763] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 292.573375][ T4763]
[ 292.581795][ T4763] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.597608][ T4763] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.869066][ T4764] loop1: detected capacity change from 0 to 32768
[ 292.889627][ T4764] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.897258][ T4764] CPU: 1 PID: 4764 Comm: syz.1.194 Not tainted syzkaller #0
[ 292.904680][ T4764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 292.914950][ T4764] Call Trace:
[ 292.918259][ T4764]
[ 292.921228][ T4764] dump_stack_lvl+0x188/0x250
[ 292.925955][ T4764] ? show_regs_print_info+0x20/0x20
[ 292.931229][ T4764] ? load_image+0x400/0x400
[ 292.935792][ T4764] sysfs_create_dir_ns+0x26a/0x290
[ 292.941028][ T4764] ? sysfs_warn_dup+0xa0/0xa0
[ 292.945780][ T4764] ? do_raw_spin_unlock+0x11d/0x230
[ 292.951216][ T4764] kobject_add_internal+0x6e0/0xd90
[ 292.956813][ T4764] kobject_init_and_add+0x128/0x190
[ 292.962959][ T4764] ? lockdep_softirqs_off+0x430/0x430
[ 292.969307][ T4764] ? kobject_add+0x230/0x230
[ 292.974549][ T4764] ? __init_swait_queue_head+0xa5/0x150
[ 292.980234][ T4764] gfs2_sys_fs_add+0x24f/0x4b0
[ 292.986298][ T4764] ? gfs2_recover_set+0x240/0x240
[ 292.993146][ T4764] ? snprintf+0xe5/0x140
[ 292.997444][ T4764] ? __free_pages+0x95/0x1a0
[ 293.003132][ T4764] ? vscnprintf+0x80/0x80
[ 293.007712][ T4764] gfs2_fill_super+0x120f/0x1f00
[ 293.012803][ T4764] ? gfs2_reconfigure+0xd30/0xd30
[ 293.018081][ T4764] ? sb_set_blocksize+0xa5/0xe0
[ 293.023767][ T4764] get_tree_bdev+0x3f1/0x610
[ 293.028945][ T4764] ? gfs2_reconfigure+0xd30/0xd30
[ 293.034064][ T4764] gfs2_get_tree+0x4d/0x1e0
[ 293.039710][ T4764] vfs_get_tree+0x88/0x270
[ 293.044594][ T4764] do_new_mount+0x24a/0xa40
[ 293.049373][ T4764] __se_sys_mount+0x2e3/0x3d0
[ 293.055960][ T4764] ? __x64_sys_mount+0xc0/0xc0
[ 293.061264][ T4764] ? lockdep_hardirqs_on+0x94/0x140
[ 293.066596][ T4764] ? __x64_sys_mount+0x1c/0xc0
[ 293.071866][ T4764] do_syscall_64+0x4c/0xa0
[ 293.076348][ T4764] ? clear_bhb_loop+0x30/0x80
[ 293.081400][ T4764] ? clear_bhb_loop+0x30/0x80
[ 293.086222][ T4764] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 293.092166][ T4764] RIP: 0033:0x7f831a7690ca
[ 293.096610][ T4764] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 293.116523][ T4764] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.124982][ T4764] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 293.133090][ T4764] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 293.141277][ T4764] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 293.149375][ T4764] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 293.157466][ T4764] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 293.165586][ T4764]
[ 293.176363][ T4764] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.189845][ T4764] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.476391][ T4765] loop1: detected capacity change from 0 to 32768
[ 293.541578][ T4765] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.549011][ T4765] CPU: 1 PID: 4765 Comm: syz.1.195 Not tainted syzkaller #0
[ 293.556351][ T4765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 293.566456][ T4765] Call Trace:
[ 293.569797][ T4765]
[ 293.572773][ T4765] dump_stack_lvl+0x188/0x250
[ 293.577595][ T4765] ? show_regs_print_info+0x20/0x20
[ 293.582852][ T4765] ? load_image+0x400/0x400
[ 293.587494][ T4765] sysfs_create_dir_ns+0x26a/0x290
[ 293.592644][ T4765] ? sysfs_warn_dup+0xa0/0xa0
[ 293.597375][ T4765] ? do_raw_spin_unlock+0x11d/0x230
[ 293.602620][ T4765] kobject_add_internal+0x6e0/0xd90
[ 293.607867][ T4765] kobject_init_and_add+0x128/0x190
[ 293.613104][ T4765] ? lockdep_softirqs_off+0x430/0x430
[ 293.618524][ T4765] ? kobject_add+0x230/0x230
[ 293.622039][ T4293] Bluetooth: hci1: command 0x0406 tx timeout
[ 293.623178][ T4765] ? __init_swait_queue_head+0xa5/0x150
[ 293.634935][ T4765] gfs2_sys_fs_add+0x24f/0x4b0
[ 293.639750][ T4765] ? gfs2_recover_set+0x240/0x240
[ 293.644825][ T4765] ? snprintf+0xe5/0x140
[ 293.649103][ T4765] ? __free_pages+0x95/0x1a0
[ 293.653749][ T4765] ? vscnprintf+0x80/0x80
[ 293.658132][ T4765] gfs2_fill_super+0x120f/0x1f00
[ 293.663235][ T4765] ? gfs2_reconfigure+0xd30/0xd30
[ 293.668427][ T4765] ? sb_set_blocksize+0xa5/0xe0
[ 293.673331][ T4765] get_tree_bdev+0x3f1/0x610
[ 293.677964][ T4765] ? gfs2_reconfigure+0xd30/0xd30
[ 293.683026][ T4765] gfs2_get_tree+0x4d/0x1e0
[ 293.688014][ T4765] vfs_get_tree+0x88/0x270
[ 293.692479][ T4765] do_new_mount+0x24a/0xa40
[ 293.697032][ T4765] __se_sys_mount+0x2e3/0x3d0
[ 293.701851][ T4765] ? __x64_sys_mount+0xc0/0xc0
[ 293.706652][ T4765] ? lockdep_hardirqs_on+0x94/0x140
[ 293.711974][ T4765] ? __x64_sys_mount+0x1c/0xc0
[ 293.716771][ T4765] do_syscall_64+0x4c/0xa0
[ 293.721223][ T4765] ? clear_bhb_loop+0x30/0x80
[ 293.725962][ T4765] ? clear_bhb_loop+0x30/0x80
[ 293.730942][ T4765] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 293.736901][ T4765] RIP: 0033:0x7f831a7690ca
[ 293.741359][ T4765] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 293.761280][ T4765] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.769739][ T4765] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 293.777751][ T4765] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 293.785763][ T4765] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 293.793773][ T4765] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 293.801784][ T4765] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 293.809812][ T4765]
[ 293.814658][ T4765] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.827948][ T4765] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/24 14:46:50 executed programs: 181
[ 294.115632][ T4766] loop1: detected capacity change from 0 to 32768
[ 294.168594][ T4766] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.178768][ T4766] CPU: 1 PID: 4766 Comm: syz.1.196 Not tainted syzkaller #0
[ 294.186127][ T4766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 294.196227][ T4766] Call Trace:
[ 294.199537][ T4766]
[ 294.202500][ T4766] dump_stack_lvl+0x188/0x250
[ 294.207228][ T4766] ? show_regs_print_info+0x20/0x20
[ 294.212463][ T4766] ? load_image+0x400/0x400
[ 294.217018][ T4766] sysfs_create_dir_ns+0x26a/0x290
[ 294.222180][ T4766] ? sysfs_warn_dup+0xa0/0xa0
[ 294.226904][ T4766] ? do_raw_spin_unlock+0x11d/0x230
[ 294.232147][ T4766] kobject_add_internal+0x6e0/0xd90
[ 294.237405][ T4766] kobject_init_and_add+0x128/0x190
[ 294.242738][ T4766] ? lockdep_softirqs_off+0x430/0x430
[ 294.248154][ T4766] ? kobject_add+0x230/0x230
[ 294.252788][ T4766] ? __init_swait_queue_head+0xa5/0x150
[ 294.258381][ T4766] gfs2_sys_fs_add+0x24f/0x4b0
[ 294.263198][ T4766] ? gfs2_recover_set+0x240/0x240
[ 294.268877][ T4766] ? snprintf+0xe5/0x140
[ 294.273163][ T4766] ? __free_pages+0x95/0x1a0
[ 294.277917][ T4766] ? vscnprintf+0x80/0x80
[ 294.282299][ T4766] gfs2_fill_super+0x120f/0x1f00
[ 294.287290][ T4766] ? gfs2_reconfigure+0xd30/0xd30
[ 294.292374][ T4766] ? sb_set_blocksize+0xa5/0xe0
[ 294.297532][ T4766] get_tree_bdev+0x3f1/0x610
[ 294.302172][ T4766] ? gfs2_reconfigure+0xd30/0xd30
[ 294.307239][ T4766] gfs2_get_tree+0x4d/0x1e0
[ 294.311916][ T4766] vfs_get_tree+0x88/0x270
[ 294.316377][ T4766] do_new_mount+0x24a/0xa40
[ 294.320936][ T4766] __se_sys_mount+0x2e3/0x3d0
[ 294.325658][ T4766] ? __x64_sys_mount+0xc0/0xc0
[ 294.330471][ T4766] ? lockdep_hardirqs_on+0x94/0x140
[ 294.335709][ T4766] ? __x64_sys_mount+0x1c/0xc0
[ 294.340518][ T4766] do_syscall_64+0x4c/0xa0
[ 294.344966][ T4766] ? clear_bhb_loop+0x30/0x80
[ 294.349684][ T4766] ? clear_bhb_loop+0x30/0x80
[ 294.354414][ T4766] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 294.360351][ T4766] RIP: 0033:0x7f831a7690ca
[ 294.364813][ T4766] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 294.385253][ T4766] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.393705][ T4766] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 294.401984][ T4766] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 294.410104][ T4766] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 294.418123][ T4766] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 294.426139][ T4766] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 294.434187][ T4766]
[ 294.452016][ T4766] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.465500][ T4766] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.738067][ T4767] loop1: detected capacity change from 0 to 32768
[ 294.838724][ T4767] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.847308][ T4767] CPU: 0 PID: 4767 Comm: syz.1.197 Not tainted syzkaller #0
[ 294.854658][ T4767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 294.864753][ T4767] Call Trace:
[ 294.868081][ T4767]
[ 294.871055][ T4767] dump_stack_lvl+0x188/0x250
[ 294.875783][ T4767] ? show_regs_print_info+0x20/0x20
[ 294.881039][ T4767] ? load_image+0x400/0x400
[ 294.885601][ T4767] sysfs_create_dir_ns+0x26a/0x290
[ 294.890765][ T4767] ? sysfs_warn_dup+0xa0/0xa0
[ 294.895491][ T4767] ? do_raw_spin_unlock+0x11d/0x230
[ 294.900733][ T4767] kobject_add_internal+0x6e0/0xd90
[ 294.905983][ T4767] kobject_init_and_add+0x128/0x190
[ 294.911251][ T4767] ? lockdep_softirqs_off+0x430/0x430
[ 294.916671][ T4767] ? kobject_add+0x230/0x230
[ 294.921311][ T4767] ? __init_swait_queue_head+0xa5/0x150
[ 294.926924][ T4767] gfs2_sys_fs_add+0x24f/0x4b0
[ 294.932230][ T4767] ? gfs2_recover_set+0x240/0x240
[ 294.937385][ T4767] ? snprintf+0xe5/0x140
[ 294.941665][ T4767] ? __free_pages+0x95/0x1a0
[ 294.946291][ T4767] ? vscnprintf+0x80/0x80
[ 294.950666][ T4767] gfs2_fill_super+0x120f/0x1f00
[ 294.955656][ T4767] ? gfs2_reconfigure+0xd30/0xd30
[ 294.960737][ T4767] ? sb_set_blocksize+0xa5/0xe0
[ 294.965626][ T4767] get_tree_bdev+0x3f1/0x610
[ 294.970258][ T4767] ? gfs2_reconfigure+0xd30/0xd30
[ 294.975323][ T4767] gfs2_get_tree+0x4d/0x1e0
[ 294.979864][ T4767] vfs_get_tree+0x88/0x270
[ 294.984321][ T4767] do_new_mount+0x24a/0xa40
[ 294.988877][ T4767] __se_sys_mount+0x2e3/0x3d0
[ 294.993604][ T4767] ? __x64_sys_mount+0xc0/0xc0
[ 294.998410][ T4767] ? lockdep_hardirqs_on+0x94/0x140
[ 295.003641][ T4767] ? __x64_sys_mount+0x1c/0xc0
[ 295.008446][ T4767] do_syscall_64+0x4c/0xa0
[ 295.012914][ T4767] ? clear_bhb_loop+0x30/0x80
[ 295.017631][ T4767] ? clear_bhb_loop+0x30/0x80
[ 295.022346][ T4767] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 295.028276][ T4767] RIP: 0033:0x7f831a7690ca
[ 295.032719][ T4767] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 295.052458][ T4767] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.061727][ T4767] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 295.069742][ T4767] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 295.077761][ T4767] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 295.085768][ T4767] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 295.093775][ T4767] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 295.101812][ T4767]
[ 295.110423][ T4767] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.124179][ T4767] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.527453][ T4768] loop1: detected capacity change from 0 to 32768
[ 295.625868][ T4768] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.633501][ T4768] CPU: 0 PID: 4768 Comm: syz.1.198 Not tainted syzkaller #0
[ 295.640848][ T4768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 295.651377][ T4768] Call Trace:
[ 295.654955][ T4768]
[ 295.658045][ T4768] dump_stack_lvl+0x188/0x250
[ 295.663064][ T4768] ? show_regs_print_info+0x20/0x20
[ 295.668322][ T4768] ? load_image+0x400/0x400
[ 295.672985][ T4768] sysfs_create_dir_ns+0x26a/0x290
[ 295.678542][ T4768] ? sysfs_warn_dup+0xa0/0xa0
[ 295.683273][ T4768] ? do_raw_spin_unlock+0x11d/0x230
[ 295.688524][ T4768] kobject_add_internal+0x6e0/0xd90
[ 295.693777][ T4768] kobject_init_and_add+0x128/0x190
[ 295.699031][ T4768] ? lockdep_softirqs_off+0x430/0x430
[ 295.704453][ T4768] ? kobject_add+0x230/0x230
[ 295.709094][ T4768] ? __init_swait_queue_head+0xa5/0x150
[ 295.714692][ T4768] gfs2_sys_fs_add+0x24f/0x4b0
[ 295.719504][ T4768] ? gfs2_recover_set+0x240/0x240
[ 295.724574][ T4768] ? snprintf+0xe5/0x140
[ 295.728860][ T4768] ? __free_pages+0x95/0x1a0
[ 295.733496][ T4768] ? vscnprintf+0x80/0x80
[ 295.737879][ T4768] gfs2_fill_super+0x120f/0x1f00
[ 295.742963][ T4768] ? gfs2_reconfigure+0xd30/0xd30
[ 295.748049][ T4768] ? sb_set_blocksize+0xa5/0xe0
[ 295.753034][ T4768] get_tree_bdev+0x3f1/0x610
[ 295.757659][ T4768] ? gfs2_reconfigure+0xd30/0xd30
[ 295.762723][ T4768] gfs2_get_tree+0x4d/0x1e0
[ 295.767347][ T4768] vfs_get_tree+0x88/0x270
[ 295.771801][ T4768] do_new_mount+0x24a/0xa40
[ 295.776348][ T4768] __se_sys_mount+0x2e3/0x3d0
[ 295.781081][ T4768] ? __x64_sys_mount+0xc0/0xc0
[ 295.785991][ T4768] ? lockdep_hardirqs_on+0x94/0x140
[ 295.791223][ T4768] ? __x64_sys_mount+0x1c/0xc0
[ 295.796027][ T4768] do_syscall_64+0x4c/0xa0
[ 295.800488][ T4768] ? clear_bhb_loop+0x30/0x80
[ 295.805191][ T4768] ? clear_bhb_loop+0x30/0x80
[ 295.809883][ T4768] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 295.815790][ T4768] RIP: 0033:0x7f831a7690ca
[ 295.820591][ T4768] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 295.840298][ T4768] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.848746][ T4768] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 295.856900][ T4768] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 295.864886][ T4768] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 295.872881][ T4768] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 295.880878][ T4768] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 295.888882][ T4768]
[ 295.895213][ T4768] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.908647][ T4768] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.313407][ T4770] loop1: detected capacity change from 0 to 32768
[ 296.361147][ T4770] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.368940][ T4770] CPU: 1 PID: 4770 Comm: syz.1.199 Not tainted syzkaller #0
[ 296.376301][ T4770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 296.386401][ T4770] Call Trace:
[ 296.389715][ T4770]
[ 296.392956][ T4770] dump_stack_lvl+0x188/0x250
[ 296.397668][ T4770] ? show_regs_print_info+0x20/0x20
[ 296.402907][ T4770] ? load_image+0x400/0x400
[ 296.407565][ T4770] sysfs_create_dir_ns+0x26a/0x290
[ 296.412718][ T4770] ? sysfs_warn_dup+0xa0/0xa0
[ 296.417445][ T4770] ? do_raw_spin_unlock+0x11d/0x230
[ 296.422682][ T4770] kobject_add_internal+0x6e0/0xd90
[ 296.427926][ T4770] kobject_init_and_add+0x128/0x190
[ 296.433172][ T4770] ? lockdep_softirqs_off+0x430/0x430
[ 296.438586][ T4770] ? kobject_add+0x230/0x230
[ 296.443220][ T4770] ? __init_swait_queue_head+0xa5/0x150
[ 296.448817][ T4770] gfs2_sys_fs_add+0x24f/0x4b0
[ 296.453621][ T4770] ? gfs2_recover_set+0x240/0x240
[ 296.458690][ T4770] ? snprintf+0xe5/0x140
[ 296.462987][ T4770] ? __free_pages+0x95/0x1a0
[ 296.467727][ T4770] ? vscnprintf+0x80/0x80
[ 296.472112][ T4770] gfs2_fill_super+0x120f/0x1f00
[ 296.477191][ T4770] ? gfs2_reconfigure+0xd30/0xd30
[ 296.482287][ T4770] ? sb_set_blocksize+0xa5/0xe0
[ 296.487272][ T4770] get_tree_bdev+0x3f1/0x610
[ 296.492008][ T4770] ? gfs2_reconfigure+0xd30/0xd30
[ 296.497075][ T4770] gfs2_get_tree+0x4d/0x1e0
[ 296.501628][ T4770] vfs_get_tree+0x88/0x270
[ 296.506085][ T4770] do_new_mount+0x24a/0xa40
[ 296.510629][ T4770] __se_sys_mount+0x2e3/0x3d0
[ 296.515346][ T4770] ? __x64_sys_mount+0xc0/0xc0
[ 296.520159][ T4770] ? lockdep_hardirqs_on+0x94/0x140
[ 296.525391][ T4770] ? __x64_sys_mount+0x1c/0xc0
[ 296.530190][ T4770] do_syscall_64+0x4c/0xa0
[ 296.534641][ T4770] ? clear_bhb_loop+0x30/0x80
[ 296.539345][ T4770] ? clear_bhb_loop+0x30/0x80
[ 296.544800][ T4770] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 296.550734][ T4770] RIP: 0033:0x7f831a7690ca
[ 296.555388][ T4770] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 296.575151][ T4770] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.583817][ T4770] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 296.591828][ T4770] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 296.599850][ T4770] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 296.608010][ T4770] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 296.616031][ T4770] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 296.624144][ T4770]
[ 296.642528][ T4770] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.659017][ T4770] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.935382][ T4772] loop1: detected capacity change from 0 to 32768
[ 296.999744][ T4772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.008928][ T4772] CPU: 0 PID: 4772 Comm: syz.1.200 Not tainted syzkaller #0
[ 297.016286][ T4772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 297.026572][ T4772] Call Trace:
[ 297.029914][ T4772]
[ 297.032877][ T4772] dump_stack_lvl+0x188/0x250
[ 297.037601][ T4772] ? show_regs_print_info+0x20/0x20
[ 297.042953][ T4772] ? load_image+0x400/0x400
[ 297.047524][ T4772] sysfs_create_dir_ns+0x26a/0x290
[ 297.052693][ T4772] ? sysfs_warn_dup+0xa0/0xa0
[ 297.057424][ T4772] ? do_raw_spin_unlock+0x11d/0x230
[ 297.062765][ T4772] kobject_add_internal+0x6e0/0xd90
[ 297.068016][ T4772] kobject_init_and_add+0x128/0x190
[ 297.073260][ T4772] ? lockdep_softirqs_off+0x430/0x430
[ 297.078863][ T4772] ? kobject_add+0x230/0x230
[ 297.083704][ T4772] ? __init_swait_queue_head+0xa5/0x150
[ 297.089383][ T4772] gfs2_sys_fs_add+0x24f/0x4b0
[ 297.094193][ T4772] ? gfs2_recover_set+0x240/0x240
[ 297.099276][ T4772] ? snprintf+0xe5/0x140
[ 297.103571][ T4772] ? __free_pages+0x95/0x1a0
[ 297.108286][ T4772] ? vscnprintf+0x80/0x80
[ 297.112666][ T4772] gfs2_fill_super+0x120f/0x1f00
[ 297.117756][ T4772] ? gfs2_reconfigure+0xd30/0xd30
[ 297.122835][ T4772] ? sb_set_blocksize+0xa5/0xe0
[ 297.127802][ T4772] get_tree_bdev+0x3f1/0x610
[ 297.132427][ T4772] ? gfs2_reconfigure+0xd30/0xd30
[ 297.137496][ T4772] gfs2_get_tree+0x4d/0x1e0
[ 297.142050][ T4772] vfs_get_tree+0x88/0x270
[ 297.146520][ T4772] do_new_mount+0x24a/0xa40
[ 297.151162][ T4772] __se_sys_mount+0x2e3/0x3d0
[ 297.155892][ T4772] ? __x64_sys_mount+0xc0/0xc0
[ 297.160702][ T4772] ? lockdep_hardirqs_on+0x94/0x140
[ 297.165954][ T4772] ? __x64_sys_mount+0x1c/0xc0
[ 297.170762][ T4772] do_syscall_64+0x4c/0xa0
[ 297.175218][ T4772] ? clear_bhb_loop+0x30/0x80
[ 297.179939][ T4772] ? clear_bhb_loop+0x30/0x80
[ 297.184651][ T4772] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 297.190574][ T4772] RIP: 0033:0x7f831a7690ca
[ 297.195120][ T4772] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 297.215059][ T4772] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.223512][ T4772] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 297.231524][ T4772] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 297.239626][ T4772] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 297.247635][ T4772] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 297.255729][ T4772] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 297.263837][ T4772]
[ 297.272450][ T4772] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.285997][ T4772] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.675953][ T4773] loop1: detected capacity change from 0 to 32768
[ 297.724311][ T4773] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.739352][ T4773] CPU: 1 PID: 4773 Comm: syz.1.201 Not tainted syzkaller #0
[ 297.746791][ T4773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 297.757082][ T4773] Call Trace:
[ 297.760391][ T4773]
[ 297.763368][ T4773] dump_stack_lvl+0x188/0x250
[ 297.768351][ T4773] ? show_regs_print_info+0x20/0x20
[ 297.773602][ T4773] ? load_image+0x400/0x400
[ 297.778250][ T4773] sysfs_create_dir_ns+0x26a/0x290
[ 297.783418][ T4773] ? sysfs_warn_dup+0xa0/0xa0
[ 297.788146][ T4773] ? do_raw_spin_unlock+0x11d/0x230
[ 297.793495][ T4773] kobject_add_internal+0x6e0/0xd90
[ 297.798744][ T4773] kobject_init_and_add+0x128/0x190
[ 297.803983][ T4773] ? lockdep_softirqs_off+0x430/0x430
[ 297.809406][ T4773] ? kobject_add+0x230/0x230
[ 297.814047][ T4773] ? __init_swait_queue_head+0xa5/0x150
[ 297.819641][ T4773] gfs2_sys_fs_add+0x24f/0x4b0
[ 297.824460][ T4773] ? gfs2_recover_set+0x240/0x240
[ 297.829528][ T4773] ? snprintf+0xe5/0x140
[ 297.833809][ T4773] ? __free_pages+0x95/0x1a0
[ 297.838445][ T4773] ? vscnprintf+0x80/0x80
[ 297.843054][ T4773] gfs2_fill_super+0x120f/0x1f00
[ 297.848048][ T4773] ? gfs2_reconfigure+0xd30/0xd30
[ 297.853148][ T4773] ? sb_set_blocksize+0xa5/0xe0
[ 297.858129][ T4773] get_tree_bdev+0x3f1/0x610
[ 297.862763][ T4773] ? gfs2_reconfigure+0xd30/0xd30
[ 297.867850][ T4773] gfs2_get_tree+0x4d/0x1e0
[ 297.872402][ T4773] vfs_get_tree+0x88/0x270
[ 297.876956][ T4773] do_new_mount+0x24a/0xa40
[ 297.881509][ T4773] __se_sys_mount+0x2e3/0x3d0
[ 297.886251][ T4773] ? __x64_sys_mount+0xc0/0xc0
[ 297.891271][ T4773] ? lockdep_hardirqs_on+0x94/0x140
[ 297.897391][ T4773] ? __x64_sys_mount+0x1c/0xc0
[ 297.902292][ T4773] do_syscall_64+0x4c/0xa0
[ 297.906758][ T4773] ? clear_bhb_loop+0x30/0x80
[ 297.911477][ T4773] ? clear_bhb_loop+0x30/0x80
[ 297.916208][ T4773] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 297.922588][ T4773] RIP: 0033:0x7f831a7690ca
[ 297.927144][ T4773] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 297.946965][ T4773] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.955432][ T4773] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 297.963592][ T4773] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 297.971608][ T4773] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 297.979625][ T4773] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 297.987643][ T4773] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 297.996047][ T4773]
[ 298.011698][ T4773] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.025463][ T4773] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.306410][ T4774] loop1: detected capacity change from 0 to 32768
[ 298.323968][ T4774] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.334559][ T4774] CPU: 1 PID: 4774 Comm: syz.1.202 Not tainted syzkaller #0
[ 298.341909][ T4774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 298.352725][ T4774] Call Trace:
[ 298.356044][ T4774]
[ 298.359110][ T4774] dump_stack_lvl+0x188/0x250
[ 298.363852][ T4774] ? show_regs_print_info+0x20/0x20
[ 298.369093][ T4774] ? load_image+0x400/0x400
[ 298.373817][ T4774] sysfs_create_dir_ns+0x26a/0x290
[ 298.378982][ T4774] ? sysfs_warn_dup+0xa0/0xa0
[ 298.383912][ T4774] ? do_raw_spin_unlock+0x11d/0x230
[ 298.389168][ T4774] kobject_add_internal+0x6e0/0xd90
[ 298.394422][ T4774] kobject_init_and_add+0x128/0x190
[ 298.399660][ T4774] ? lockdep_softirqs_off+0x430/0x430
[ 298.405083][ T4774] ? kobject_add+0x230/0x230
[ 298.409720][ T4774] ? __init_swait_queue_head+0xa5/0x150
[ 298.415322][ T4774] gfs2_sys_fs_add+0x24f/0x4b0
[ 298.420128][ T4774] ? gfs2_recover_set+0x240/0x240
[ 298.425445][ T4774] ? snprintf+0xe5/0x140
[ 298.430340][ T4774] ? __free_pages+0x95/0x1a0
[ 298.435095][ T4774] ? vscnprintf+0x80/0x80
[ 298.439479][ T4774] gfs2_fill_super+0x120f/0x1f00
[ 298.444480][ T4774] ? gfs2_reconfigure+0xd30/0xd30
[ 298.449579][ T4774] ? sb_set_blocksize+0xa5/0xe0
[ 298.454646][ T4774] get_tree_bdev+0x3f1/0x610
[ 298.459288][ T4774] ? gfs2_reconfigure+0xd30/0xd30
[ 298.464471][ T4774] gfs2_get_tree+0x4d/0x1e0
[ 298.469032][ T4774] vfs_get_tree+0x88/0x270
[ 298.473683][ T4774] do_new_mount+0x24a/0xa40
[ 298.478331][ T4774] __se_sys_mount+0x2e3/0x3d0
[ 298.483060][ T4774] ? __x64_sys_mount+0xc0/0xc0
[ 298.487954][ T4774] ? lockdep_hardirqs_on+0x94/0x140
[ 298.493196][ T4774] ? __x64_sys_mount+0x1c/0xc0
[ 298.498008][ T4774] do_syscall_64+0x4c/0xa0
[ 298.502468][ T4774] ? clear_bhb_loop+0x30/0x80
[ 298.507185][ T4774] ? clear_bhb_loop+0x30/0x80
[ 298.511897][ T4774] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 298.517847][ T4774] RIP: 0033:0x7f831a7690ca
[ 298.522298][ T4774] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 298.542373][ T4774] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.551130][ T4774] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 298.559264][ T4774] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 298.567287][ T4774] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 298.575310][ T4774] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 298.583324][ T4774] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 298.591353][ T4774]
[ 298.604049][ T4774] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.617630][ T4774] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.916885][ T4778] loop1: detected capacity change from 0 to 32768
[ 298.995870][ T4778] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 299.003539][ T4778] CPU: 0 PID: 4778 Comm: syz.1.203 Not tainted syzkaller #0
[ 299.011171][ T4778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 299.021539][ T4778] Call Trace:
[ 299.024863][ T4778]
[ 299.027974][ T4778] dump_stack_lvl+0x188/0x250
[ 299.033549][ T4778] ? show_regs_print_info+0x20/0x20
[ 299.040512][ T4778] ? load_image+0x400/0x400
[ 299.045078][ T4778] sysfs_create_dir_ns+0x26a/0x290
[ 299.050254][ T4778] ? sysfs_warn_dup+0xa0/0xa0
[ 299.054981][ T4778] ? do_raw_spin_unlock+0x11d/0x230
[ 299.060234][ T4778] kobject_add_internal+0x6e0/0xd90
[ 299.065600][ T4778] kobject_init_and_add+0x128/0x190
[ 299.070855][ T4778] ? lockdep_softirqs_off+0x430/0x430
[ 299.076286][ T4778] ? kobject_add+0x230/0x230
[ 299.080928][ T4778] ? __init_swait_queue_head+0xa5/0x150
[ 299.086536][ T4778] gfs2_sys_fs_add+0x24f/0x4b0
[ 299.091349][ T4778] ? gfs2_recover_set+0x240/0x240
[ 299.096417][ T4778] ? snprintf+0xe5/0x140
[ 299.100702][ T4778] ? __free_pages+0x95/0x1a0
[ 299.105340][ T4778] ? vscnprintf+0x80/0x80
[ 299.109829][ T4778] gfs2_fill_super+0x120f/0x1f00
[ 299.114825][ T4778] ? gfs2_reconfigure+0xd30/0xd30
[ 299.120177][ T4778] ? sb_set_blocksize+0xa5/0xe0
[ 299.125157][ T4778] get_tree_bdev+0x3f1/0x610
[ 299.129795][ T4778] ? gfs2_reconfigure+0xd30/0xd30
[ 299.134865][ T4778] gfs2_get_tree+0x4d/0x1e0
[ 299.139416][ T4778] vfs_get_tree+0x88/0x270
[ 299.143866][ T4778] do_new_mount+0x24a/0xa40
[ 299.148420][ T4778] __se_sys_mount+0x2e3/0x3d0
[ 299.153148][ T4778] ? __x64_sys_mount+0xc0/0xc0
[ 299.157953][ T4778] ? lockdep_hardirqs_on+0x94/0x140
[ 299.163184][ T4778] ? __x64_sys_mount+0x1c/0xc0
[ 299.167962][ T4778] do_syscall_64+0x4c/0xa0
[ 299.172389][ T4778] ? clear_bhb_loop+0x30/0x80
[ 299.177098][ T4778] ? clear_bhb_loop+0x30/0x80
[ 299.181779][ T4778] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 299.187695][ T4778] RIP: 0033:0x7f831a7690ca
[ 299.192131][ T4778] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 299.212134][ T4778] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.220591][ T4778] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 299.228741][ T4778] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 299.236736][ T4778] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 299.244714][ T4778] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 299.252705][ T4778] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 299.260715][ T4778]
[ 299.266525][ T4778] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.280260][ T4778] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/05/24 14:46:55 executed programs: 189
[ 299.655631][ T4780] loop1: detected capacity change from 0 to 32768
[ 299.713541][ T4780] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 299.720985][ T4780] CPU: 0 PID: 4780 Comm: syz.1.204 Not tainted syzkaller #0
[ 299.728315][ T4780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 299.738412][ T4780] Call Trace:
[ 299.741817][ T4780]
[ 299.744803][ T4780] dump_stack_lvl+0x188/0x250
[ 299.749910][ T4780] ? show_regs_print_info+0x20/0x20
[ 299.755158][ T4780] ? load_image+0x400/0x400
[ 299.759747][ T4780] sysfs_create_dir_ns+0x26a/0x290
[ 299.764939][ T4780] ? sysfs_warn_dup+0xa0/0xa0
[ 299.769658][ T4780] ? do_raw_spin_unlock+0x11d/0x230
[ 299.774898][ T4780] kobject_add_internal+0x6e0/0xd90
[ 299.780142][ T4780] kobject_init_and_add+0x128/0x190
[ 299.785386][ T4780] ? lockdep_softirqs_off+0x430/0x430
[ 299.791247][ T4780] ? kobject_add+0x230/0x230
[ 299.795891][ T4780] ? __init_swait_queue_head+0xa5/0x150
[ 299.801484][ T4780] gfs2_sys_fs_add+0x24f/0x4b0
[ 299.806285][ T4780] ? gfs2_recover_set+0x240/0x240
[ 299.811348][ T4780] ? snprintf+0xe5/0x140
[ 299.815630][ T4780] ? __free_pages+0x95/0x1a0
[ 299.820260][ T4780] ? vscnprintf+0x80/0x80
[ 299.824650][ T4780] gfs2_fill_super+0x120f/0x1f00
[ 299.829827][ T4780] ? gfs2_reconfigure+0xd30/0xd30
[ 299.835211][ T4780] ? sb_set_blocksize+0xa5/0xe0
[ 299.840101][ T4780] get_tree_bdev+0x3f1/0x610
[ 299.844740][ T4780] ? gfs2_reconfigure+0xd30/0xd30
[ 299.850033][ T4780] gfs2_get_tree+0x4d/0x1e0
[ 299.854579][ T4780] vfs_get_tree+0x88/0x270
[ 299.859128][ T4780] do_new_mount+0x24a/0xa40
[ 299.863683][ T4780] __se_sys_mount+0x2e3/0x3d0
[ 299.868430][ T4780] ? __x64_sys_mount+0xc0/0xc0
[ 299.873370][ T4780] ? lockdep_hardirqs_on+0x94/0x140
[ 299.878989][ T4780] ? __x64_sys_mount+0x1c/0xc0
[ 299.884093][ T4780] do_syscall_64+0x4c/0xa0
[ 299.888573][ T4780] ? clear_bhb_loop+0x30/0x80
[ 299.893472][ T4780] ? clear_bhb_loop+0x30/0x80
[ 299.898233][ T4780] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 299.905046][ T4780] RIP: 0033:0x7f831a7690ca
[ 299.909508][ T4780] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 299.929267][ T4780] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.937739][ T4780] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 299.945763][ T4780] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 299.953985][ T4780] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 299.963006][ T4780] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 299.971806][ T4780] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 299.979840][ T4780]
[ 299.986830][ T4780] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 300.000423][ T4780] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.314909][ T4781] loop1: detected capacity change from 0 to 32768
[ 300.387571][ T4781] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.402820][ T4781] CPU: 0 PID: 4781 Comm: syz.1.205 Not tainted syzkaller #0
[ 300.410614][ T4781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 300.420985][ T4781] Call Trace:
[ 300.424416][ T4781]
[ 300.427384][ T4781] dump_stack_lvl+0x188/0x250
[ 300.432701][ T4781] ? show_regs_print_info+0x20/0x20
[ 300.437984][ T4781] ? load_image+0x400/0x400
[ 300.442544][ T4781] sysfs_create_dir_ns+0x26a/0x290
[ 300.447899][ T4781] ? sysfs_warn_dup+0xa0/0xa0
[ 300.452628][ T4781] ? do_raw_spin_unlock+0x11d/0x230
[ 300.458682][ T4781] kobject_add_internal+0x6e0/0xd90
[ 300.464346][ T4781] kobject_init_and_add+0x128/0x190
[ 300.470117][ T4781] ? lockdep_softirqs_off+0x430/0x430
[ 300.475536][ T4781] ? kobject_add+0x230/0x230
[ 300.480186][ T4781] ? __init_swait_queue_head+0xa5/0x150
[ 300.485786][ T4781] gfs2_sys_fs_add+0x24f/0x4b0
[ 300.491031][ T4781] ? gfs2_recover_set+0x240/0x240
[ 300.496097][ T4781] ? snprintf+0xe5/0x140
[ 300.500374][ T4781] ? __free_pages+0x95/0x1a0
[ 300.505036][ T4781] ? vscnprintf+0x80/0x80
[ 300.509414][ T4781] gfs2_fill_super+0x120f/0x1f00
[ 300.514410][ T4781] ? gfs2_reconfigure+0xd30/0xd30
[ 300.519486][ T4781] ? sb_set_blocksize+0xa5/0xe0
[ 300.519578][ T27] INFO: task kworker/0:20:4448 blocked for more than 143 seconds.
[ 300.524361][ T4781] get_tree_bdev+0x3f1/0x610
[ 300.524390][ T4781] ? gfs2_reconfigure+0xd30/0xd30
[ 300.524417][ T4781] gfs2_get_tree+0x4d/0x1e0
[ 300.541481][ T27] Not tainted syzkaller #0
[ 300.542695][ T4781] vfs_get_tree+0x88/0x270
[ 300.547760][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 300.552833][ T4781] do_new_mount+0x24a/0xa40
[ 300.552866][ T4781] __se_sys_mount+0x2e3/0x3d0
[ 300.552896][ T4781] ? __x64_sys_mount+0xc0/0xc0
[ 300.576845][ T27] task:kworker/0:20 state:D stack:24112 pid: 4448 ppid: 2 flags:0x00004000
[ 300.580052][ T4781] ? lockdep_hardirqs_on+0x94/0x140
[ 300.580083][ T4781] ? __x64_sys_mount+0x1c/0xc0
[ 300.589454][ T27] Workqueue: gfs_recovery gfs2_recover_func
[ 300.594629][ T4781] do_syscall_64+0x4c/0xa0
[ 300.594664][ T4781] ? clear_bhb_loop+0x30/0x80
[ 300.594686][ T4781] ? clear_bhb_loop+0x30/0x80
[ 300.594709][ T4781] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 300.594732][ T4781] RIP: 0033:0x7f831a7690ca
[ 300.594760][ T4781] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 300.594779][ T4781] RSP: 002b:00007ffcfac45d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 300.594804][ T4781] RAX: ffffffffffffffda RBX: 00007ffcfac45db0 RCX: 00007f831a7690ca
[ 300.594821][ T4781] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007ffcfac45d70
[ 300.594838][ T4781] RBP: 0000200000037f40 R08: 00007ffcfac45db0 R09: 0000000000004000
[ 300.594854][ T4781] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 300.594871][ T4781] R13: 00007ffcfac45d70 R14: 0000000000037f56 R15: 0000200000037fc0
[ 300.594900][ T4781]
[ 300.614423][ T4781] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 300.678521][ T27]
[ 300.685454][ T4781] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.721605][ T27] Call Trace:
[ 300.728758][ T27]
[ 300.735439][ T27] __schedule+0x11ef/0x43c0
[ 300.754636][ T27] ? release_firmware_map_entry+0x190/0x190
[ 300.760624][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 300.777711][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 300.785076][ T27] schedule+0x11b/0x1e0
[ 300.789681][ T27] io_schedule+0x7c/0xd0
[ 300.794108][ T27] wait_on_page_bit_common+0x83b/0xe50
[ 300.800251][ T27] ? wait_on_page_bit+0x50/0x50
[ 300.805258][ T27] ? rcu_lock_release+0x20/0x20
[ 300.810165][ T27] gfs2_jhead_process_page+0x252/0xbf0
[ 300.815737][ T27] ? gfs2_end_log_read+0x500/0x500
[ 300.820898][ T27] ? submit_bio+0x2c1/0x560
[ 300.825597][ T27] ? submit_bio_noacct+0x800/0x800
[ 300.830979][ T27] gfs2_find_jhead+0xec2/0x1000
[ 300.837127][ T27] gfs2_recover_func+0x73a/0x1cf0
[ 300.843942][ T27] ? lockdep_lock+0x1f0/0x1f0
[ 300.848688][ T27] ? __lock_acquire+0x28ac/0x7d10
[ 300.853896][ T27] ? __get_log_header+0x4f0/0x4f0
[ 300.858971][ T27] ? mark_lock+0x94/0x320
[ 300.863656][ T27] ? __lock_acquire+0x13bc/0x7d10
[ 300.868830][ T27] ? verify_lock_unused+0x140/0x140
[ 300.874458][ T27] ? lockdep_hardirqs_on_prepare+0x409/0x770
[ 300.880497][ T27] ? _raw_spin_unlock+0x40/0x40
[ 300.885782][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 300.891032][ T27] process_one_work+0x85f/0x1010
[ 300.896494][ T27] ? worker_detach_from_pool+0x240/0x240
[ 300.910931][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 300.916608][ T27] ? _raw_spin_lock_irq+0xb7/0xf0
[ 300.924095][ T27] ? _raw_spin_lock_irqsave+0x100/0x100
[ 300.929735][ T27] ? wq_worker_running+0x97/0x170
[ 300.935160][ T27] worker_thread+0xaa6/0x1290
[ 300.939926][ T27] kthread+0x436/0x520
[ 300.946576][ T27] ? rcu_lock_release+0x20/0x20
[ 300.952541][ T27] ? kthread_blkcg+0xd0/0xd0
[ 300.957178][ T27] ret_from_fork+0x1f/0x30
[ 300.964382][ T27]
[ 300.967479][ T27] INFO: task syz.0.17:4492 blocked for more than 143 seconds.
[ 300.975400][ T27] Not tainted syzkaller #0
[ 300.980367][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 300.991885][ T27] task:syz.0.17 state:D stack:24208 pid: 4492 ppid: 4388 flags:0x00004004
[ 301.001172][ T27] Call Trace:
[ 301.005574][ T27]
[ 301.008563][ T27] __schedule+0x11ef/0x43c0
[ 301.013508][ T27] ? preempt_schedule+0xbc/0xd0
[ 301.018411][ T27] ? lock_chain_count+0x20/0x20
[ 301.023635][ T27] ? release_firmware_map_entry+0x190/0x190
[ 301.029753][ T27] ? _raw_spin_unlock_irqrestore+0x10d/0x120
[ 301.036272][ T27] schedule+0x11b/0x1e0
[ 301.040478][ T27] bit_wait+0xd/0xc0
[ 301.044761][ T27] out_of_line_wait_on_bit+0x173/0x230
[ 301.050359][ T27] ? out_of_line_wait_on_bit_lock+0x190/0x190
[ 301.056926][ T27] ? __wait_on_bit+0x170/0x170
[ 301.062834][ T27] ? bit_waitqueue+0x30/0x30
[ 301.067658][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 301.073250][ T27] gfs2_recover_journal+0x104/0x150
[ 301.078492][ T27] init_journal+0x1779/0x22f0
[ 301.083676][ T27] ? end_bio_io_page+0x100/0x100
[ 301.088661][ T27] ? snprintf+0xe5/0x140
[ 301.093292][ T27] ? init_journal+0x74d/0x22f0
[ 301.098201][ T27] ? vscnprintf+0x80/0x80
[ 301.102955][ T27] ? gfs2_glock_nq_num+0x17a/0x1b0
[ 301.108371][ T27] init_inodes+0xdb/0x320
[ 301.113269][ T27] gfs2_fill_super+0x16b2/0x1f00
[ 301.118269][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 301.123748][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 301.128827][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 301.134094][ T27] get_tree_bdev+0x3f1/0x610
[ 301.138729][ T27] ? gfs2_reconfigure+0xd30/0xd30
[ 301.144238][ T27] gfs2_get_tree+0x4d/0x1e0
[ 301.148812][ T27] vfs_get_tree+0x88/0x270
[ 301.153653][ T27] do_new_mount+0x24a/0xa40
[ 301.158221][ T27] __se_sys_mount+0x2e3/0x3d0
[ 301.163388][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 301.168228][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 301.174533][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 301.179348][ T27] do_syscall_64+0x4c/0xa0
[ 301.184230][ T27] ? clear_bhb_loop+0x30/0x80
[ 301.188955][ T27] ? clear_bhb_loop+0x30/0x80
[ 301.194176][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 301.200207][ T27] RIP: 0033:0x7fb071fda0ca
[ 301.206123][ T27] RSP: 002b:00007fff7221f3e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 301.216610][ T27] RAX: ffffffffffffffda RBX: 00007fff7221f470 RCX: 00007fb071fda0ca
[ 301.225813][ T27] RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fff7221f430
[ 301.235153][ T27] RBP: 0000200000037f40 R08: 00007fff7221f470 R09: 0000000000004000
[ 301.244478][ T27] R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000037f80
[ 301.253638][ T27] R13: 00007fff7221f430 R14: 0000000000037f56 R15: 0000200000037fc0
[ 301.262932][ T27]
[ 301.266139][ T27]
[ 301.266139][ T27] Showing all locks held in the system:
[ 301.276556][ T27] 1 lock held by khungtaskd/27:
[ 301.282693][ T27] #0: ffffffff8c31f320 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 301.293444][ T27] 2 locks held by kworker/1:2/2856:
[ 301.298726][ T27] 2 locks held by getty/3944:
[ 301.304861][ T27] #0: ffff88802ca3a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 301.316899][ T27] #1: ffffc900025ce2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5df/0x1a70
[ 301.328362][ T27] 2 locks held by kworker/0:20/4448:
[ 301.334856][ T27] #0: ffff88801b991938 ((wq_completion)gfs_recovery){+.+.}-{0:0}, at: process_one_work+0x761/0x1010
[ 301.347105][ T27] #1: ffffc900030afd00 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x79f/0x1010
[ 301.362479][ T27] 1 lock held by syz.0.17/4492:
[ 301.367385][ T27] #0: ffff88807304a0e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 301.398139][ T27] 3 locks held by syz.1.206/4782:
[ 301.412502][ T27]
[ 301.415639][ T27] =============================================
[ 301.415639][ T27]
[ 301.442580][ T27] NMI backtrace for cpu 0
[ 301.446972][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 301.454815][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 301.464905][ T27] Call Trace:
[ 301.468213][ T27]
[ 301.471170][ T27] dump_stack_lvl+0x188/0x250
[ 301.475891][ T27] ? show_regs_print_info+0x20/0x20
[ 301.481118][ T27] ? load_image+0x400/0x400
[ 301.485648][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 301.491063][ T27] ? nmi_cpu_backtrace+0x1b2/0x3d0
[ 301.496208][ T27] nmi_cpu_backtrace+0x3a2/0x3d0
[ 301.501182][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 301.507364][ T27] ? _printk+0xda/0x130
[ 301.511558][ T27] ? load_image+0x400/0x400
[ 301.516107][ T27] ? load_image+0x400/0x400
[ 301.520651][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 301.526755][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 301.532771][ T27] watchdog+0xe0f/0xe50
[ 301.536969][ T27] kthread+0x436/0x520
[ 301.541210][ T27] ? hungtask_pm_notify+0x40/0x40
[ 301.546290][ T27] ? kthread_blkcg+0xd0/0xd0
[ 301.550925][ T27] ret_from_fork+0x1f/0x30
[ 301.555387][ T27]
[ 301.558835][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 301.564323][ C1] NMI backtrace for cpu 1
[ 301.564335][ C1] CPU: 1 PID: 4567 Comm: udevd Not tainted syzkaller #0
[ 301.564354][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 301.564365][ C1] RIP: 0010:check_preemption_disabled+0x1f/0x110
[ 301.564394][ C1] Code: 7a 8a 48 c7 c6 e0 06 7a 8a eb 00 55 41 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65 8b 05 79 2b 45 76 <65> 8b 0d e2 85 45 76 f7 c1 ff ff ff 7f 74 1f 65 48 8b 0c 25 28 00
[ 301.564410][ C1] RSP: 0018:ffffc90002f4f5d0 EFLAGS: 00000082
[ 301.564427][ C1] RAX: 0000000000000001 RBX: 0000607f46c54710 RCX: ffff88802a1b9dc0
[ 301.564441][ C1] RDX: 0000000000000000 RSI: ffffffff8a35f940 RDI: ffffffff8a7a0700
[ 301.564454][ C1] RBP: 0000000000000017 R08: ffffea0001616307 R09: 1ffffd40002c2c60
[ 301.564468][ C1] R10: dffffc0000000000 R11: fffff940002c2c61 R12: 0000000000000017
[ 301.564481][ C1] R13: ffffffffffffffff R14: ffff888075724000 R15: ffff8880255fc0c8
[ 301.564496][ C1] FS: 00007f8f5792a880(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 301.564513][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 301.564527][ C1] CR2: 00007f8f56fdd000 CR3: 000000007b1ec000 CR4: 00000000003506e0
[ 301.564544][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 301.564555][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 301.564567][ C1] Call Trace:
[ 301.564573][ C1]
[ 301.564582][ C1] __mod_memcg_lruvec_state+0x109/0x190
[ 301.564608][ C1] __mod_lruvec_page_state+0x1b6/0x330
[ 301.564647][ C1] ? unaccount_page_cache_page+0x382/0x870
[ 301.564671][ C1] unaccount_page_cache_page+0x449/0x870
[ 301.564694][ C1] __delete_from_page_cache+0xbe/0x6d0
[ 301.564716][ C1] ? _raw_spin_lock_irq+0x86/0xf0
[ 301.564735][ C1] ? lockdep_hardirqs_off+0x70/0x100
[ 301.564755][ C1] ? __bpf_trace_file_check_and_advance_wb_err+0x30/0x30
[ 301.564778][ C1] ? _raw_spin_lock_irq+0xb7/0xf0
[ 301.564795][ C1] ? _raw_spin_lock_irqsave+0x100/0x100
[ 301.564816][ C1] ? page_mapping+0x30e/0x440
[ 301.564835][ C1] delete_from_page_cache+0x121/0x190
[ 301.564858][ C1] truncate_inode_page+0x8d/0xb0
[ 301.564882][ C1] shmem_undo_range+0x53c/0x1930
[ 301.564909][ C1] ? __lock_acquire+0x13bc/0x7d10
[ 301.564931][ C1] ? shmem_truncate_range+0xa0/0xa0
[ 301.564963][ C1] ? do_raw_spin_lock+0x128/0x2f0
[ 301.564982][ C1] ? __rwlock_init+0x140/0x140
[ 301.565002][ C1] shmem_evict_inode+0x220/0xa40
[ 301.565024][ C1] ? inode_wait_for_writeback+0x1df/0x220
[ 301.565049][ C1] ? shmem_free_in_core_inode+0xb0/0xb0
[ 301.565069][ C1] ? do_raw_spin_lock+0x128/0x2f0
[ 301.565088][ C1] ? bit_waitqueue+0x30/0x30
[ 301.565110][ C1] ? do_raw_spin_unlock+0x11d/0x230
[ 301.565129][ C1] ? shmem_free_in_core_inode+0xb0/0xb0
[ 301.565150][ C1] evict+0x4c9/0x8d0
[ 301.565175][ C1] ? proc_nr_inodes+0x320/0x320
[ 301.565196][ C1] ? do_raw_spin_unlock+0x11d/0x230
[ 301.565215][ C1] ? _raw_spin_unlock+0x24/0x40
[ 301.565237][ C1] __dentry_kill+0x431/0x650
[ 301.565258][ C1] dentry_kill+0xb8/0x290
[ 301.565276][ C1] dput+0xd8/0x1a0
[ 301.565292][ C1] __fput+0x5ee/0x930
[ 301.565316][ C1] task_work_run+0x125/0x1a0
[ 301.565338][ C1] exit_to_user_mode_loop+0x10f/0x130
[ 301.565357][ C1] exit_to_user_mode_prepare+0xee/0x180
[ 301.565375][ C1] syscall_exit_to_user_mode+0x16/0x40
[ 301.565395][ C1] do_syscall_64+0x58/0xa0
[ 301.565413][ C1] ? clear_bhb_loop+0x30/0x80
[ 301.565430][ C1] ? clear_bhb_loop+0x30/0x80
[ 301.565449][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 301.565468][ C1] RIP: 0033:0x7f8f57a18407
[ 301.565484][ C1] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[ 301.565500][ C1] RSP: 002b:00007ffd63a87160 EFLAGS: 00000202 ORIG_RAX: 0000000000000003
[ 301.565517][ C1] RAX: 0000000000000000 RBX: 00007f8f5792a880 RCX: 00007f8f57a18407
[ 301.565530][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
[ 301.565541][ C1] RBP: 00007f8f5792a6e8 R08: 0000000000000000 R09: 0000000000000000
[ 301.565553][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000002
[ 301.565565][ C1] R13: 000055bd3702d410 R14: 0000000000000008 R15: 000055bd3703b820
[ 301.565585][ C1]
[ 301.570378][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 301.688551][ T4782] loop1: detected capacity change from 0 to 32768
[ 301.695847][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 301.695870][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
[ 301.695885][ T27] Call Trace:
[ 301.695894][ T27]
[ 301.737616][ T4782] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 301.738349][ T27] dump_stack_lvl+0x188/0x250
[ 302.043926][ T27] ? show_regs_print_info+0x20/0x20
[ 302.049161][ T27] ? load_image+0x400/0x400
[ 302.053703][ T27] panic+0x2e5/0x810
[ 302.057643][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 302.063316][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 302.067856][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 302.074049][ T27] watchdog+0xe4e/0xe50
[ 302.078262][ T27] kthread+0x436/0x520
[ 302.082354][ T27] ? hungtask_pm_notify+0x40/0x40
[ 302.087407][ T27] ? kthread_blkcg+0xd0/0xd0
[ 302.092036][ T27] ret_from_fork+0x1f/0x30
[ 302.096504][ T27]
[ 302.099848][ T27] Kernel Offset: disabled
[ 302.104207][ T27] Rebooting in 86400 seconds..