SK>
[ 271.476254][ T4507] dump_stack_lvl+0x168/0x230
[ 271.480975][ T4507] ? show_regs_print_info+0x20/0x20
[ 271.486238][ T4507] ? load_image+0x3b0/0x3b0
[ 271.490784][ T4507] sysfs_create_dir_ns+0x252/0x280
[ 271.495945][ T4507] ? __lock_acquire+0x7c60/0x7c60
[ 271.501002][ T4507] ? sysfs_warn_dup+0xa0/0xa0
[ 271.505723][ T4507] ? do_raw_spin_unlock+0x11d/0x230
[ 271.510957][ T4507] kobject_add_internal+0x662/0xd00
[ 271.516199][ T4507] kobject_init_and_add+0x122/0x190
[ 271.521429][ T4507] ? lockdep_softirqs_off+0x420/0x420
[ 271.526837][ T4507] ? kobject_add+0x210/0x210
[ 271.531464][ T4507] ? __init_swait_queue_head+0xa5/0x150
[ 271.537047][ T4507] gfs2_sys_fs_add+0x234/0x480
[ 271.541848][ T4507] ? gfs2_recover_set+0x240/0x240
[ 271.546916][ T4507] ? snprintf+0xd7/0x120
[ 271.551193][ T4507] ? __free_pages+0x95/0x1a0
[ 271.555815][ T4507] ? vscnprintf+0x80/0x80
[ 271.560183][ T4507] gfs2_fill_super+0x128d/0x1f50
[ 271.565136][ T4507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.570276][ T4507] ? preempt_count_add+0x8d/0x190
[ 271.575331][ T4507] ? sb_set_blocksize+0xa5/0xe0
[ 271.580199][ T4507] get_tree_bdev+0x3f1/0x610
[ 271.584803][ T4507] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.589844][ T4507] gfs2_get_tree+0x4d/0x1e0
[ 271.594348][ T4507] vfs_get_tree+0x88/0x270
[ 271.598788][ T4507] do_new_mount+0x24a/0xa40
[ 271.603315][ T4507] __se_sys_mount+0x2d6/0x3c0
[ 271.608024][ T4507] ? __x64_sys_mount+0xc0/0xc0
[ 271.612808][ T4507] ? lockdep_hardirqs_on+0x94/0x140
[ 271.618125][ T4507] ? __x64_sys_mount+0x1c/0xc0
[ 271.622909][ T4507] do_syscall_64+0x4c/0xa0
[ 271.627345][ T4507] ? clear_bhb_loop+0x30/0x80
[ 271.632049][ T4507] ? clear_bhb_loop+0x30/0x80
[ 271.636741][ T4507] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 271.642647][ T4507] RIP: 0033:0x7f348819d76a
[ 271.647085][ T4507] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 271.666737][ T4507] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.675172][ T4507] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 271.683155][ T4507] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 271.691144][ T4507] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 271.699259][ T4507] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 271.707260][ T4507] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 271.715249][ T4507]
[ 271.719075][ T4507] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.732669][ T4507] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 272.108116][ T4508] loop1: detected capacity change from 0 to 32768
[ 272.172478][ T4508] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.179924][ T4508] CPU: 1 PID: 4508 Comm: syz.1.166 Not tainted syzkaller #0
[ 272.187236][ T4508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 272.197321][ T4508] Call Trace:
[ 272.200629][ T4508]
[ 272.203583][ T4508] dump_stack_lvl+0x168/0x230
[ 272.208302][ T4508] ? show_regs_print_info+0x20/0x20
[ 272.213533][ T4508] ? load_image+0x3b0/0x3b0
[ 272.218087][ T4508] sysfs_create_dir_ns+0x252/0x280
[ 272.223237][ T4508] ? __lock_acquire+0x7c60/0x7c60
[ 272.228316][ T4508] ? sysfs_warn_dup+0xa0/0xa0
[ 272.233030][ T4508] ? do_raw_spin_unlock+0x11d/0x230
[ 272.238261][ T4508] kobject_add_internal+0x662/0xd00
[ 272.243494][ T4508] kobject_init_and_add+0x122/0x190
[ 272.248734][ T4508] ? lockdep_softirqs_off+0x420/0x420
[ 272.254142][ T4508] ? kobject_add+0x210/0x210
[ 272.258774][ T4508] ? __init_swait_queue_head+0xa5/0x150
[ 272.264383][ T4508] gfs2_sys_fs_add+0x234/0x480
[ 272.269181][ T4508] ? gfs2_recover_set+0x240/0x240
[ 272.274228][ T4508] ? snprintf+0xd7/0x120
[ 272.278472][ T4508] ? __free_pages+0x95/0x1a0
[ 272.283063][ T4508] ? vscnprintf+0x80/0x80
[ 272.287415][ T4508] gfs2_fill_super+0x128d/0x1f50
[ 272.292373][ T4508] ? gfs2_reconfigure+0xcd0/0xcd0
[ 272.297495][ T4508] ? preempt_count_add+0x8d/0x190
[ 272.302533][ T4508] ? sb_set_blocksize+0xa5/0xe0
[ 272.307396][ T4508] get_tree_bdev+0x3f1/0x610
[ 272.311990][ T4508] ? gfs2_reconfigure+0xcd0/0xcd0
[ 272.317022][ T4508] gfs2_get_tree+0x4d/0x1e0
[ 272.321530][ T4508] vfs_get_tree+0x88/0x270
[ 272.325956][ T4508] do_new_mount+0x24a/0xa40
[ 272.330470][ T4508] __se_sys_mount+0x2d6/0x3c0
[ 272.335160][ T4508] ? __x64_sys_mount+0xc0/0xc0
[ 272.339930][ T4508] ? lockdep_hardirqs_on+0x94/0x140
[ 272.345133][ T4508] ? __x64_sys_mount+0x1c/0xc0
[ 272.349912][ T4508] do_syscall_64+0x4c/0xa0
[ 272.354324][ T4508] ? clear_bhb_loop+0x30/0x80
[ 272.359004][ T4508] ? clear_bhb_loop+0x30/0x80
[ 272.363684][ T4508] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.369586][ T4508] RIP: 0033:0x7f348819d76a
[ 272.374002][ T4508] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 272.393608][ T4508] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.402018][ T4508] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 272.409987][ T4508] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 272.417968][ T4508] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 272.425936][ T4508] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 272.433922][ T4508] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 272.441911][ T4508]
[ 272.447485][ T4508] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.461624][ T4508] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 272.849750][ T4509] loop1: detected capacity change from 0 to 32768
[ 272.888016][ T4509] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.895533][ T4509] CPU: 1 PID: 4509 Comm: syz.1.167 Not tainted syzkaller #0
[ 272.902844][ T4509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 272.912924][ T4509] Call Trace:
[ 272.916228][ T4509]
[ 272.919186][ T4509] dump_stack_lvl+0x168/0x230
[ 272.923904][ T4509] ? show_regs_print_info+0x20/0x20
[ 272.929133][ T4509] ? load_image+0x3b0/0x3b0
[ 272.933677][ T4509] sysfs_create_dir_ns+0x252/0x280
[ 272.938818][ T4509] ? __lock_acquire+0x7c60/0x7c60
[ 272.943869][ T4509] ? sysfs_warn_dup+0xa0/0xa0
[ 272.948582][ T4509] ? do_raw_spin_unlock+0x11d/0x230
[ 272.953813][ T4509] kobject_add_internal+0x662/0xd00
[ 272.959058][ T4509] kobject_init_and_add+0x122/0x190
[ 272.964320][ T4509] ? lockdep_softirqs_off+0x420/0x420
[ 272.969731][ T4509] ? kobject_add+0x210/0x210
[ 272.974482][ T4509] ? __init_swait_queue_head+0xa5/0x150
[ 272.980074][ T4509] gfs2_sys_fs_add+0x234/0x480
[ 272.984867][ T4509] ? gfs2_recover_set+0x240/0x240
[ 272.989919][ T4509] ? snprintf+0xd7/0x120
[ 272.994208][ T4509] ? __free_pages+0x95/0x1a0
[ 272.998815][ T4509] ? vscnprintf+0x80/0x80
[ 273.003157][ T4509] gfs2_fill_super+0x128d/0x1f50
[ 273.008120][ T4509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.013148][ T4509] ? preempt_count_add+0x8d/0x190
[ 273.018183][ T4509] ? sb_set_blocksize+0xa5/0xe0
[ 273.023036][ T4509] get_tree_bdev+0x3f1/0x610
[ 273.027639][ T4509] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.032673][ T4509] gfs2_get_tree+0x4d/0x1e0
[ 273.037187][ T4509] vfs_get_tree+0x88/0x270
[ 273.041605][ T4509] do_new_mount+0x24a/0xa40
[ 273.046128][ T4509] __se_sys_mount+0x2d6/0x3c0
[ 273.050811][ T4509] ? __x64_sys_mount+0xc0/0xc0
[ 273.055580][ T4509] ? lockdep_hardirqs_on+0x94/0x140
[ 273.060777][ T4509] ? __x64_sys_mount+0x1c/0xc0
[ 273.065550][ T4509] do_syscall_64+0x4c/0xa0
[ 273.069964][ T4509] ? clear_bhb_loop+0x30/0x80
[ 273.074642][ T4509] ? clear_bhb_loop+0x30/0x80
[ 273.079339][ T4509] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 273.085233][ T4509] RIP: 0033:0x7f348819d76a
[ 273.089649][ T4509] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 273.109254][ T4509] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.117677][ T4509] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 273.125651][ T4509] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 273.133621][ T4509] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 273.141600][ T4509] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 273.149587][ T4509] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 273.157578][ T4509]
[ 273.162040][ T4509] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.175194][ T4509] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.550846][ T4510] loop1: detected capacity change from 0 to 32768
[ 273.595051][ T4510] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.603435][ T4510] CPU: 1 PID: 4510 Comm: syz.1.168 Not tainted syzkaller #0
[ 273.610756][ T4510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 273.620834][ T4510] Call Trace:
[ 273.624135][ T4510]
[ 273.627086][ T4510] dump_stack_lvl+0x168/0x230
[ 273.631803][ T4510] ? show_regs_print_info+0x20/0x20
[ 273.637031][ T4510] ? load_image+0x3b0/0x3b0
[ 273.641577][ T4510] sysfs_create_dir_ns+0x252/0x280
[ 273.646719][ T4510] ? __lock_acquire+0x7c60/0x7c60
[ 273.651777][ T4510] ? sysfs_warn_dup+0xa0/0xa0
[ 273.656490][ T4510] ? do_raw_spin_unlock+0x11d/0x230
[ 273.661726][ T4510] kobject_add_internal+0x662/0xd00
[ 273.666960][ T4510] kobject_init_and_add+0x122/0x190
[ 273.672190][ T4510] ? lockdep_softirqs_off+0x420/0x420
[ 273.677685][ T4510] ? kobject_add+0x210/0x210
[ 273.682311][ T4510] ? __init_swait_queue_head+0xa5/0x150
[ 273.687888][ T4510] gfs2_sys_fs_add+0x234/0x480
[ 273.692686][ T4510] ? gfs2_recover_set+0x240/0x240
[ 273.697741][ T4510] ? snprintf+0xd7/0x120
[ 273.702011][ T4510] ? __free_pages+0x95/0x1a0
[ 273.706626][ T4510] ? vscnprintf+0x80/0x80
[ 273.710992][ T4510] gfs2_fill_super+0x128d/0x1f50
[ 273.715980][ T4510] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.721031][ T4510] ? preempt_count_add+0x8d/0x190
[ 273.726067][ T4510] ? sb_set_blocksize+0xa5/0xe0
[ 273.730920][ T4510] get_tree_bdev+0x3f1/0x610
[ 273.735514][ T4510] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.740542][ T4510] gfs2_get_tree+0x4d/0x1e0
[ 273.745045][ T4510] vfs_get_tree+0x88/0x270
[ 273.749467][ T4510] do_new_mount+0x24a/0xa40
[ 273.753978][ T4510] __se_sys_mount+0x2d6/0x3c0
[ 273.758657][ T4510] ? __x64_sys_mount+0xc0/0xc0
[ 273.763433][ T4510] ? lockdep_hardirqs_on+0x94/0x140
[ 273.768649][ T4510] ? __x64_sys_mount+0x1c/0xc0
[ 273.773417][ T4510] do_syscall_64+0x4c/0xa0
[ 273.777860][ T4510] ? clear_bhb_loop+0x30/0x80
[ 273.782677][ T4510] ? clear_bhb_loop+0x30/0x80
[ 273.787519][ T4510] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 273.793414][ T4510] RIP: 0033:0x7f348819d76a
[ 273.797829][ T4510] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 273.817444][ T4510] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.825862][ T4510] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 273.833836][ T4510] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 273.841808][ T4510] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 273.849782][ T4510] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 273.857752][ T4510] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 273.865736][ T4510]
[ 273.869751][ T4510] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.883014][ T4510] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 11:08:10 executed programs: 154
[ 274.238898][ T4511] loop1: detected capacity change from 0 to 32768
[ 274.293838][ T4511] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.301267][ T4511] CPU: 0 PID: 4511 Comm: syz.1.169 Not tainted syzkaller #0
[ 274.308574][ T4511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 274.318660][ T4511] Call Trace:
[ 274.321977][ T4511]
[ 274.324936][ T4511] dump_stack_lvl+0x168/0x230
[ 274.329654][ T4511] ? show_regs_print_info+0x20/0x20
[ 274.334909][ T4511] ? load_image+0x3b0/0x3b0
[ 274.339454][ T4511] sysfs_create_dir_ns+0x252/0x280
[ 274.344602][ T4511] ? __lock_acquire+0x7c60/0x7c60
[ 274.349744][ T4511] ? sysfs_warn_dup+0xa0/0xa0
[ 274.354459][ T4511] ? do_raw_spin_unlock+0x11d/0x230
[ 274.359690][ T4511] kobject_add_internal+0x662/0xd00
[ 274.364925][ T4511] kobject_init_and_add+0x122/0x190
[ 274.370147][ T4511] ? lockdep_softirqs_off+0x420/0x420
[ 274.375552][ T4511] ? kobject_add+0x210/0x210
[ 274.380191][ T4511] ? __init_swait_queue_head+0xa5/0x150
[ 274.385794][ T4511] gfs2_sys_fs_add+0x234/0x480
[ 274.390588][ T4511] ? gfs2_recover_set+0x240/0x240
[ 274.395639][ T4511] ? snprintf+0xd7/0x120
[ 274.399924][ T4511] ? __free_pages+0x95/0x1a0
[ 274.404542][ T4511] ? vscnprintf+0x80/0x80
[ 274.408937][ T4511] gfs2_fill_super+0x128d/0x1f50
[ 274.413887][ T4511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.418932][ T4511] ? preempt_count_add+0x8d/0x190
[ 274.424091][ T4511] ? sb_set_blocksize+0xa5/0xe0
[ 274.428965][ T4511] get_tree_bdev+0x3f1/0x610
[ 274.433575][ T4511] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.438599][ T4511] gfs2_get_tree+0x4d/0x1e0
[ 274.443111][ T4511] vfs_get_tree+0x88/0x270
[ 274.447544][ T4511] do_new_mount+0x24a/0xa40
[ 274.452065][ T4511] __se_sys_mount+0x2d6/0x3c0
[ 274.456763][ T4511] ? __x64_sys_mount+0xc0/0xc0
[ 274.461530][ T4511] ? lockdep_hardirqs_on+0x94/0x140
[ 274.466740][ T4511] ? __x64_sys_mount+0x1c/0xc0
[ 274.471507][ T4511] do_syscall_64+0x4c/0xa0
[ 274.475922][ T4511] ? clear_bhb_loop+0x30/0x80
[ 274.480594][ T4511] ? clear_bhb_loop+0x30/0x80
[ 274.485308][ T4511] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.491198][ T4511] RIP: 0033:0x7f348819d76a
[ 274.495612][ T4511] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 274.515221][ T4511] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.523633][ T4511] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 274.531603][ T4511] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 274.539575][ T4511] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 274.547544][ T4511] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 274.555512][ T4511] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 274.563495][ T4511]
[ 274.568092][ T4511] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.581269][ T4511] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.932377][ T4512] loop1: detected capacity change from 0 to 32768
[ 275.002142][ T4512] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.011152][ T4512] CPU: 0 PID: 4512 Comm: syz.1.170 Not tainted syzkaller #0
[ 275.018472][ T4512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 275.028552][ T4512] Call Trace:
[ 275.031853][ T4512]
[ 275.034805][ T4512] dump_stack_lvl+0x168/0x230
[ 275.039516][ T4512] ? show_regs_print_info+0x20/0x20
[ 275.044745][ T4512] ? load_image+0x3b0/0x3b0
[ 275.049281][ T4512] sysfs_create_dir_ns+0x252/0x280
[ 275.054418][ T4512] ? __lock_acquire+0x7c60/0x7c60
[ 275.059481][ T4512] ? sysfs_warn_dup+0xa0/0xa0
[ 275.064196][ T4512] ? do_raw_spin_unlock+0x11d/0x230
[ 275.069439][ T4512] kobject_add_internal+0x662/0xd00
[ 275.074673][ T4512] kobject_init_and_add+0x122/0x190
[ 275.079900][ T4512] ? lockdep_softirqs_off+0x420/0x420
[ 275.085304][ T4512] ? kobject_add+0x210/0x210
[ 275.089929][ T4512] ? __init_swait_queue_head+0xa5/0x150
[ 275.095542][ T4512] gfs2_sys_fs_add+0x234/0x480
[ 275.100350][ T4512] ? gfs2_recover_set+0x240/0x240
[ 275.105397][ T4512] ? snprintf+0xd7/0x120
[ 275.109666][ T4512] ? __free_pages+0x95/0x1a0
[ 275.114284][ T4512] ? vscnprintf+0x80/0x80
[ 275.118639][ T4512] gfs2_fill_super+0x128d/0x1f50
[ 275.123603][ T4512] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.128639][ T4512] ? preempt_count_add+0x8d/0x190
[ 275.133667][ T4512] ? sb_set_blocksize+0xa5/0xe0
[ 275.138520][ T4512] get_tree_bdev+0x3f1/0x610
[ 275.143236][ T4512] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.148292][ T4512] gfs2_get_tree+0x4d/0x1e0
[ 275.152916][ T4512] vfs_get_tree+0x88/0x270
[ 275.157365][ T4512] do_new_mount+0x24a/0xa40
[ 275.161876][ T4512] __se_sys_mount+0x2d6/0x3c0
[ 275.166559][ T4512] ? __x64_sys_mount+0xc0/0xc0
[ 275.171338][ T4512] ? lockdep_hardirqs_on+0x94/0x140
[ 275.176539][ T4512] ? __x64_sys_mount+0x1c/0xc0
[ 275.181305][ T4512] do_syscall_64+0x4c/0xa0
[ 275.185755][ T4512] ? clear_bhb_loop+0x30/0x80
[ 275.190436][ T4512] ? clear_bhb_loop+0x30/0x80
[ 275.195110][ T4512] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 275.200996][ T4512] RIP: 0033:0x7f348819d76a
[ 275.205418][ T4512] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 275.225464][ T4512] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.233877][ T4512] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 275.241865][ T4512] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 275.249842][ T4512] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 275.257815][ T4512] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 275.265793][ T4512] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 275.273784][ T4512]
[ 275.278178][ T4512] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.291347][ T4512] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.648426][ T4513] loop1: detected capacity change from 0 to 32768
[ 275.693819][ T4513] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.701248][ T4513] CPU: 1 PID: 4513 Comm: syz.1.171 Not tainted syzkaller #0
[ 275.708575][ T4513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 275.718655][ T4513] Call Trace:
[ 275.721956][ T4513]
[ 275.724909][ T4513] dump_stack_lvl+0x168/0x230
[ 275.729624][ T4513] ? show_regs_print_info+0x20/0x20
[ 275.734854][ T4513] ? load_image+0x3b0/0x3b0
[ 275.739402][ T4513] sysfs_create_dir_ns+0x252/0x280
[ 275.744551][ T4513] ? __lock_acquire+0x7c60/0x7c60
[ 275.749613][ T4513] ? sysfs_warn_dup+0xa0/0xa0
[ 275.754322][ T4513] ? do_raw_spin_unlock+0x11d/0x230
[ 275.759552][ T4513] kobject_add_internal+0x662/0xd00
[ 275.764779][ T4513] kobject_init_and_add+0x122/0x190
[ 275.770008][ T4513] ? lockdep_softirqs_off+0x420/0x420
[ 275.775430][ T4513] ? kobject_add+0x210/0x210
[ 275.780052][ T4513] ? __init_swait_queue_head+0xa5/0x150
[ 275.785630][ T4513] gfs2_sys_fs_add+0x234/0x480
[ 275.790444][ T4513] ? gfs2_recover_set+0x240/0x240
[ 275.795476][ T4513] ? snprintf+0xd7/0x120
[ 275.799722][ T4513] ? __free_pages+0x95/0x1a0
[ 275.804320][ T4513] ? vscnprintf+0x80/0x80
[ 275.808690][ T4513] gfs2_fill_super+0x128d/0x1f50
[ 275.813634][ T4513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.818656][ T4513] ? preempt_count_add+0x8d/0x190
[ 275.823683][ T4513] ? sb_set_blocksize+0xa5/0xe0
[ 275.828561][ T4513] get_tree_bdev+0x3f1/0x610
[ 275.833150][ T4513] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.838173][ T4513] gfs2_get_tree+0x4d/0x1e0
[ 275.842674][ T4513] vfs_get_tree+0x88/0x270
[ 275.847178][ T4513] do_new_mount+0x24a/0xa40
[ 275.851684][ T4513] __se_sys_mount+0x2d6/0x3c0
[ 275.856367][ T4513] ? __x64_sys_mount+0xc0/0xc0
[ 275.861130][ T4513] ? lockdep_hardirqs_on+0x94/0x140
[ 275.866339][ T4513] ? __x64_sys_mount+0x1c/0xc0
[ 275.871105][ T4513] do_syscall_64+0x4c/0xa0
[ 275.875518][ T4513] ? clear_bhb_loop+0x30/0x80
[ 275.880194][ T4513] ? clear_bhb_loop+0x30/0x80
[ 275.884866][ T4513] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 275.891190][ T4513] RIP: 0033:0x7f348819d76a
[ 275.895624][ T4513] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 275.915234][ T4513] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.923693][ T4513] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 275.931663][ T4513] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 275.939634][ T4513] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 275.947608][ T4513] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 275.955601][ T4513] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 275.963606][ T4513]
[ 275.967837][ T4513] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.981177][ T4513] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.339428][ T4514] loop1: detected capacity change from 0 to 32768
[ 276.401893][ T4514] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.409741][ T4514] CPU: 0 PID: 4514 Comm: syz.1.172 Not tainted syzkaller #0
[ 276.417060][ T4514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 276.427143][ T4514] Call Trace:
[ 276.430445][ T4514]
[ 276.433406][ T4514] dump_stack_lvl+0x168/0x230
[ 276.438126][ T4514] ? show_regs_print_info+0x20/0x20
[ 276.443360][ T4514] ? load_image+0x3b0/0x3b0
[ 276.447904][ T4514] sysfs_create_dir_ns+0x252/0x280
[ 276.453050][ T4514] ? __lock_acquire+0x7c60/0x7c60
[ 276.458107][ T4514] ? sysfs_warn_dup+0xa0/0xa0
[ 276.462825][ T4514] ? do_raw_spin_unlock+0x11d/0x230
[ 276.468052][ T4514] kobject_add_internal+0x662/0xd00
[ 276.473286][ T4514] kobject_init_and_add+0x122/0x190
[ 276.478511][ T4514] ? lockdep_softirqs_off+0x420/0x420
[ 276.483928][ T4514] ? kobject_add+0x210/0x210
[ 276.488557][ T4514] ? __init_swait_queue_head+0xa5/0x150
[ 276.494133][ T4514] gfs2_sys_fs_add+0x234/0x480
[ 276.498926][ T4514] ? gfs2_recover_set+0x240/0x240
[ 276.503974][ T4514] ? snprintf+0xd7/0x120
[ 276.508239][ T4514] ? __free_pages+0x95/0x1a0
[ 276.512839][ T4514] ? vscnprintf+0x80/0x80
[ 276.517249][ T4514] gfs2_fill_super+0x128d/0x1f50
[ 276.522218][ T4514] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.527337][ T4514] ? preempt_count_add+0x8d/0x190
[ 276.532387][ T4514] ? sb_set_blocksize+0xa5/0xe0
[ 276.537240][ T4514] get_tree_bdev+0x3f1/0x610
[ 276.541835][ T4514] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.546858][ T4514] gfs2_get_tree+0x4d/0x1e0
[ 276.551360][ T4514] vfs_get_tree+0x88/0x270
[ 276.555787][ T4514] do_new_mount+0x24a/0xa40
[ 276.560316][ T4514] __se_sys_mount+0x2d6/0x3c0
[ 276.564999][ T4514] ? __x64_sys_mount+0xc0/0xc0
[ 276.569764][ T4514] ? lockdep_hardirqs_on+0x94/0x140
[ 276.574967][ T4514] ? __x64_sys_mount+0x1c/0xc0
[ 276.579739][ T4514] do_syscall_64+0x4c/0xa0
[ 276.584156][ T4514] ? clear_bhb_loop+0x30/0x80
[ 276.588836][ T4514] ? clear_bhb_loop+0x30/0x80
[ 276.593518][ T4514] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 276.599466][ T4514] RIP: 0033:0x7f348819d76a
[ 276.603882][ T4514] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 276.623509][ T4514] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.631940][ T4514] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 276.639911][ T4514] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 276.647899][ T4514] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 276.655866][ T4514] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 276.663843][ T4514] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 276.671846][ T4514]
[ 276.676250][ T4514] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.689587][ T4514] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.061287][ T4515] loop1: detected capacity change from 0 to 32768
[ 277.113816][ T4515] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.121325][ T4515] CPU: 1 PID: 4515 Comm: syz.1.173 Not tainted syzkaller #0
[ 277.128643][ T4515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 277.138722][ T4515] Call Trace:
[ 277.142025][ T4515]
[ 277.144974][ T4515] dump_stack_lvl+0x168/0x230
[ 277.149688][ T4515] ? show_regs_print_info+0x20/0x20
[ 277.154922][ T4515] ? load_image+0x3b0/0x3b0
[ 277.159466][ T4515] sysfs_create_dir_ns+0x252/0x280
[ 277.164606][ T4515] ? __lock_acquire+0x7c60/0x7c60
[ 277.169673][ T4515] ? sysfs_warn_dup+0xa0/0xa0
[ 277.174393][ T4515] ? do_raw_spin_unlock+0x11d/0x230
[ 277.179625][ T4515] kobject_add_internal+0x662/0xd00
[ 277.184855][ T4515] kobject_init_and_add+0x122/0x190
[ 277.190100][ T4515] ? lockdep_softirqs_off+0x420/0x420
[ 277.195501][ T4515] ? kobject_add+0x210/0x210
[ 277.200122][ T4515] ? __init_swait_queue_head+0xa5/0x150
[ 277.205705][ T4515] gfs2_sys_fs_add+0x234/0x480
[ 277.210496][ T4515] ? gfs2_recover_set+0x240/0x240
[ 277.215523][ T4515] ? snprintf+0xd7/0x120
[ 277.219779][ T4515] ? __free_pages+0x95/0x1a0
[ 277.224366][ T4515] ? vscnprintf+0x80/0x80
[ 277.228703][ T4515] gfs2_fill_super+0x128d/0x1f50
[ 277.233649][ T4515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.238767][ T4515] ? preempt_count_add+0x8d/0x190
[ 277.243817][ T4515] ? sb_set_blocksize+0xa5/0xe0
[ 277.248668][ T4515] get_tree_bdev+0x3f1/0x610
[ 277.253261][ T4515] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.258309][ T4515] gfs2_get_tree+0x4d/0x1e0
[ 277.262811][ T4515] vfs_get_tree+0x88/0x270
[ 277.267228][ T4515] do_new_mount+0x24a/0xa40
[ 277.271825][ T4515] __se_sys_mount+0x2d6/0x3c0
[ 277.276508][ T4515] ? __x64_sys_mount+0xc0/0xc0
[ 277.281276][ T4515] ? lockdep_hardirqs_on+0x94/0x140
[ 277.286470][ T4515] ? __x64_sys_mount+0x1c/0xc0
[ 277.291235][ T4515] do_syscall_64+0x4c/0xa0
[ 277.295647][ T4515] ? clear_bhb_loop+0x30/0x80
[ 277.300320][ T4515] ? clear_bhb_loop+0x30/0x80
[ 277.305008][ T4515] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.310904][ T4515] RIP: 0033:0x7f348819d76a
[ 277.315326][ T4515] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 277.334928][ T4515] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.343345][ T4515] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 277.351328][ T4515] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 277.359298][ T4515] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 277.367269][ T4515] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 277.375244][ T4515] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 277.383244][ T4515]
[ 277.387772][ T4515] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.401258][ T4515] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.784557][ T4516] loop1: detected capacity change from 0 to 32768
[ 277.851260][ T4516] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.858822][ T4516] CPU: 0 PID: 4516 Comm: syz.1.174 Not tainted syzkaller #0
[ 277.866136][ T4516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 277.876213][ T4516] Call Trace:
[ 277.879512][ T4516]
[ 277.882463][ T4516] dump_stack_lvl+0x168/0x230
[ 277.887172][ T4516] ? show_regs_print_info+0x20/0x20
[ 277.892396][ T4516] ? load_image+0x3b0/0x3b0
[ 277.896952][ T4516] sysfs_create_dir_ns+0x252/0x280
[ 277.902104][ T4516] ? __lock_acquire+0x7c60/0x7c60
[ 277.907165][ T4516] ? sysfs_warn_dup+0xa0/0xa0
[ 277.911876][ T4516] ? do_raw_spin_unlock+0x11d/0x230
[ 277.917101][ T4516] kobject_add_internal+0x662/0xd00
[ 277.922331][ T4516] kobject_init_and_add+0x122/0x190
[ 277.927564][ T4516] ? lockdep_softirqs_off+0x420/0x420
[ 277.932977][ T4516] ? kobject_add+0x210/0x210
[ 277.937688][ T4516] ? __init_swait_queue_head+0xa5/0x150
[ 277.943298][ T4516] gfs2_sys_fs_add+0x234/0x480
[ 277.948111][ T4516] ? gfs2_recover_set+0x240/0x240
[ 277.953284][ T4516] ? snprintf+0xd7/0x120
[ 277.957736][ T4516] ? __free_pages+0x95/0x1a0
[ 277.962347][ T4516] ? vscnprintf+0x80/0x80
[ 277.966881][ T4516] gfs2_fill_super+0x128d/0x1f50
[ 277.971832][ T4516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.976864][ T4516] ? preempt_count_add+0x8d/0x190
[ 277.981899][ T4516] ? sb_set_blocksize+0xa5/0xe0
[ 277.986764][ T4516] get_tree_bdev+0x3f1/0x610
[ 277.991358][ T4516] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.996386][ T4516] gfs2_get_tree+0x4d/0x1e0
[ 278.001009][ T4516] vfs_get_tree+0x88/0x270
[ 278.005425][ T4516] do_new_mount+0x24a/0xa40
[ 278.009935][ T4516] __se_sys_mount+0x2d6/0x3c0
[ 278.014630][ T4516] ? __x64_sys_mount+0xc0/0xc0
[ 278.019395][ T4516] ? lockdep_hardirqs_on+0x94/0x140
[ 278.024588][ T4516] ? __x64_sys_mount+0x1c/0xc0
[ 278.029354][ T4516] do_syscall_64+0x4c/0xa0
[ 278.033787][ T4516] ? clear_bhb_loop+0x30/0x80
[ 278.038464][ T4516] ? clear_bhb_loop+0x30/0x80
[ 278.043139][ T4516] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 278.049030][ T4516] RIP: 0033:0x7f348819d76a
[ 278.053461][ T4516] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 278.073154][ T4516] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.081593][ T4516] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 278.089564][ T4516] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 278.097643][ T4516] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 278.105705][ T4516] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 278.113683][ T4516] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 278.121690][ T4516]
[ 278.126148][ T4516] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.139559][ T4516] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.494043][ T4517] loop1: detected capacity change from 0 to 32768
[ 278.548065][ T4517] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.555681][ T4517] CPU: 1 PID: 4517 Comm: syz.1.175 Not tainted syzkaller #0
[ 278.562991][ T4517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 278.573070][ T4517] Call Trace:
[ 278.576376][ T4517]
[ 278.579343][ T4517] dump_stack_lvl+0x168/0x230
[ 278.584056][ T4517] ? show_regs_print_info+0x20/0x20
[ 278.589292][ T4517] ? load_image+0x3b0/0x3b0
[ 278.593859][ T4517] sysfs_create_dir_ns+0x252/0x280
[ 278.599209][ T4517] ? __lock_acquire+0x7c60/0x7c60
[ 278.604284][ T4517] ? sysfs_warn_dup+0xa0/0xa0
[ 278.609054][ T4517] ? do_raw_spin_unlock+0x11d/0x230
[ 278.614281][ T4517] kobject_add_internal+0x662/0xd00
[ 278.619513][ T4517] kobject_init_and_add+0x122/0x190
[ 278.624735][ T4517] ? lockdep_softirqs_off+0x420/0x420
[ 278.630137][ T4517] ? kobject_add+0x210/0x210
[ 278.634773][ T4517] ? __init_swait_queue_head+0xa5/0x150
[ 278.640352][ T4517] gfs2_sys_fs_add+0x234/0x480
[ 278.645155][ T4517] ? gfs2_recover_set+0x240/0x240
[ 278.650202][ T4517] ? snprintf+0xd7/0x120
[ 278.654478][ T4517] ? __free_pages+0x95/0x1a0
[ 278.659096][ T4517] ? vscnprintf+0x80/0x80
[ 278.663471][ T4517] gfs2_fill_super+0x128d/0x1f50
[ 278.668443][ T4517] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.673477][ T4517] ? preempt_count_add+0x8d/0x190
[ 278.678511][ T4517] ? sb_set_blocksize+0xa5/0xe0
[ 278.683367][ T4517] get_tree_bdev+0x3f1/0x610
[ 278.687978][ T4517] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.693007][ T4517] gfs2_get_tree+0x4d/0x1e0
[ 278.697520][ T4517] vfs_get_tree+0x88/0x270
[ 278.701935][ T4517] do_new_mount+0x24a/0xa40
[ 278.706450][ T4517] __se_sys_mount+0x2d6/0x3c0
[ 278.711150][ T4517] ? __x64_sys_mount+0xc0/0xc0
[ 278.715919][ T4517] ? lockdep_hardirqs_on+0x94/0x140
[ 278.721125][ T4517] ? __x64_sys_mount+0x1c/0xc0
[ 278.725885][ T4517] do_syscall_64+0x4c/0xa0
[ 278.730297][ T4517] ? clear_bhb_loop+0x30/0x80
[ 278.734971][ T4517] ? clear_bhb_loop+0x30/0x80
[ 278.739646][ T4517] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 278.745537][ T4517] RIP: 0033:0x7f348819d76a
[ 278.749945][ T4517] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 278.769583][ T4517] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.777997][ T4517] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 278.785991][ T4517] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 278.793967][ T4517] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 278.801932][ T4517] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 278.809898][ T4517] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 278.817878][ T4517]
[ 278.829667][ T4517] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.843011][ T4517] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.201485][ T4518] loop1: detected capacity change from 0 to 32768
[ 279.271920][ T4518] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.280145][ T4518] CPU: 1 PID: 4518 Comm: syz.1.176 Not tainted syzkaller #0
[ 279.287474][ T4518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 279.297586][ T4518] Call Trace:
[ 279.300885][ T4518]
[ 279.303845][ T4518] dump_stack_lvl+0x168/0x230
[ 279.308567][ T4518] ? show_regs_print_info+0x20/0x20
[ 279.313795][ T4518] ? load_image+0x3b0/0x3b0
[ 279.318343][ T4518] sysfs_create_dir_ns+0x252/0x280
[ 279.323484][ T4518] ? __lock_acquire+0x7c60/0x7c60
[ 279.328553][ T4518] ? sysfs_warn_dup+0xa0/0xa0
[ 279.333265][ T4518] ? do_raw_spin_unlock+0x11d/0x230
[ 279.338494][ T4518] kobject_add_internal+0x662/0xd00
[ 279.343727][ T4518] kobject_init_and_add+0x122/0x190
[ 279.349046][ T4518] ? lockdep_softirqs_off+0x420/0x420
[ 279.354453][ T4518] ? kobject_add+0x210/0x210
[ 279.359168][ T4518] ? __init_swait_queue_head+0xa5/0x150
[ 279.364748][ T4518] gfs2_sys_fs_add+0x234/0x480
[ 279.369542][ T4518] ? gfs2_recover_set+0x240/0x240
[ 279.374597][ T4518] ? snprintf+0xd7/0x120
[ 279.378871][ T4518] ? __free_pages+0x95/0x1a0
[ 279.383483][ T4518] ? vscnprintf+0x80/0x80
[ 279.388019][ T4518] gfs2_fill_super+0x128d/0x1f50
[ 279.392984][ T4518] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.398032][ T4518] ? preempt_count_add+0x8d/0x190
[ 279.403079][ T4518] ? sb_set_blocksize+0xa5/0xe0
[ 279.407948][ T4518] get_tree_bdev+0x3f1/0x610
[ 279.412540][ T4518] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.417560][ T4518] gfs2_get_tree+0x4d/0x1e0
[ 279.422060][ T4518] vfs_get_tree+0x88/0x270
[ 279.426480][ T4518] do_new_mount+0x24a/0xa40
[ 279.431003][ T4518] __se_sys_mount+0x2d6/0x3c0
[ 279.435691][ T4518] ? __x64_sys_mount+0xc0/0xc0
[ 279.440497][ T4518] ? lockdep_hardirqs_on+0x94/0x140
[ 279.445699][ T4518] ? __x64_sys_mount+0x1c/0xc0
[ 279.450602][ T4518] do_syscall_64+0x4c/0xa0
[ 279.455148][ T4518] ? clear_bhb_loop+0x30/0x80
[ 279.459830][ T4518] ? clear_bhb_loop+0x30/0x80
[ 279.464515][ T4518] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.470431][ T4518] RIP: 0033:0x7f348819d76a
[ 279.474870][ T4518] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 279.494600][ T4518] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.503124][ T4518] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 279.511129][ T4518] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 279.519215][ T4518] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 279.527276][ T4518] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 279.535655][ T4518] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 279.543654][ T4518]
[ 279.548306][ T4518] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.561679][ T4518] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 11:08:16 executed programs: 162
[ 279.953972][ T4519] loop1: detected capacity change from 0 to 32768
[ 280.034231][ T4519] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.041941][ T4519] CPU: 1 PID: 4519 Comm: syz.1.177 Not tainted syzkaller #0
[ 280.049256][ T4519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 280.059339][ T4519] Call Trace:
[ 280.062644][ T4519]
[ 280.065599][ T4519] dump_stack_lvl+0x168/0x230
[ 280.070313][ T4519] ? show_regs_print_info+0x20/0x20
[ 280.075547][ T4519] ? load_image+0x3b0/0x3b0
[ 280.080096][ T4519] sysfs_create_dir_ns+0x252/0x280
[ 280.085242][ T4519] ? __lock_acquire+0x7c60/0x7c60
[ 280.090317][ T4519] ? sysfs_warn_dup+0xa0/0xa0
[ 280.095027][ T4519] ? do_raw_spin_unlock+0x11d/0x230
[ 280.100258][ T4519] kobject_add_internal+0x662/0xd00
[ 280.105492][ T4519] kobject_init_and_add+0x122/0x190
[ 280.110709][ T4519] ? lockdep_softirqs_off+0x420/0x420
[ 280.116111][ T4519] ? kobject_add+0x210/0x210
[ 280.120710][ T4519] ? __init_swait_queue_head+0xa5/0x150
[ 280.126259][ T4519] gfs2_sys_fs_add+0x234/0x480
[ 280.131032][ T4519] ? gfs2_recover_set+0x240/0x240
[ 280.136074][ T4519] ? snprintf+0xd7/0x120
[ 280.140332][ T4519] ? __free_pages+0x95/0x1a0
[ 280.144968][ T4519] ? vscnprintf+0x80/0x80
[ 280.149338][ T4519] gfs2_fill_super+0x128d/0x1f50
[ 280.154486][ T4519] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.159523][ T4519] ? preempt_count_add+0x8d/0x190
[ 280.164559][ T4519] ? sb_set_blocksize+0xa5/0xe0
[ 280.169420][ T4519] get_tree_bdev+0x3f1/0x610
[ 280.174016][ T4519] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.179049][ T4519] gfs2_get_tree+0x4d/0x1e0
[ 280.183556][ T4519] vfs_get_tree+0x88/0x270
[ 280.187979][ T4519] do_new_mount+0x24a/0xa40
[ 280.192495][ T4519] __se_sys_mount+0x2d6/0x3c0
[ 280.197256][ T4519] ? __x64_sys_mount+0xc0/0xc0
[ 280.202035][ T4519] ? lockdep_hardirqs_on+0x94/0x140
[ 280.207277][ T4519] ? __x64_sys_mount+0x1c/0xc0
[ 280.212055][ T4519] do_syscall_64+0x4c/0xa0
[ 280.216472][ T4519] ? clear_bhb_loop+0x30/0x80
[ 280.221145][ T4519] ? clear_bhb_loop+0x30/0x80
[ 280.225838][ T4519] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 280.231752][ T4519] RIP: 0033:0x7f348819d76a
[ 280.236167][ T4519] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 280.255805][ T4519] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.264226][ T4519] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 280.272207][ T4519] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 280.280198][ T4519] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 280.288257][ T4519] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 280.296227][ T4519] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 280.304214][ T4519]
[ 280.308426][ T4519] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.321613][ T4519] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.692519][ T4520] loop1: detected capacity change from 0 to 32768
[ 280.748341][ T4520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.758300][ T4520] CPU: 1 PID: 4520 Comm: syz.1.178 Not tainted syzkaller #0
[ 280.765634][ T4520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 280.775716][ T4520] Call Trace:
[ 280.779018][ T4520]
[ 280.781971][ T4520] dump_stack_lvl+0x168/0x230
[ 280.786682][ T4520] ? show_regs_print_info+0x20/0x20
[ 280.792010][ T4520] ? load_image+0x3b0/0x3b0
[ 280.796550][ T4520] sysfs_create_dir_ns+0x252/0x280
[ 280.801694][ T4520] ? __lock_acquire+0x7c60/0x7c60
[ 280.806751][ T4520] ? sysfs_warn_dup+0xa0/0xa0
[ 280.811466][ T4520] ? do_raw_spin_unlock+0x11d/0x230
[ 280.816698][ T4520] kobject_add_internal+0x662/0xd00
[ 280.821926][ T4520] kobject_init_and_add+0x122/0x190
[ 280.827142][ T4520] ? lockdep_softirqs_off+0x420/0x420
[ 280.832544][ T4520] ? kobject_add+0x210/0x210
[ 280.837164][ T4520] ? __init_swait_queue_head+0xa5/0x150
[ 280.842737][ T4520] gfs2_sys_fs_add+0x234/0x480
[ 280.847527][ T4520] ? gfs2_recover_set+0x240/0x240
[ 280.852575][ T4520] ? snprintf+0xd7/0x120
[ 280.856846][ T4520] ? __free_pages+0x95/0x1a0
[ 280.861467][ T4520] ? vscnprintf+0x80/0x80
[ 280.865800][ T4520] gfs2_fill_super+0x128d/0x1f50
[ 280.870739][ T4520] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.875766][ T4520] ? preempt_count_add+0x8d/0x190
[ 280.880795][ T4520] ? sb_set_blocksize+0xa5/0xe0
[ 280.885652][ T4520] get_tree_bdev+0x3f1/0x610
[ 280.890247][ T4520] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.895270][ T4520] gfs2_get_tree+0x4d/0x1e0
[ 280.899781][ T4520] vfs_get_tree+0x88/0x270
[ 280.904207][ T4520] do_new_mount+0x24a/0xa40
[ 280.908731][ T4520] __se_sys_mount+0x2d6/0x3c0
[ 280.913430][ T4520] ? __x64_sys_mount+0xc0/0xc0
[ 280.918204][ T4520] ? lockdep_hardirqs_on+0x94/0x140
[ 280.923397][ T4520] ? __x64_sys_mount+0x1c/0xc0
[ 280.928158][ T4520] do_syscall_64+0x4c/0xa0
[ 280.932574][ T4520] ? clear_bhb_loop+0x30/0x80
[ 280.937253][ T4520] ? clear_bhb_loop+0x30/0x80
[ 280.941933][ T4520] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 280.947834][ T4520] RIP: 0033:0x7f348819d76a
[ 280.952252][ T4520] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 280.972071][ T4520] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.980491][ T4520] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 280.988660][ T4520] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 280.996638][ T4520] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 281.004609][ T4520] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 281.012581][ T4520] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 281.020565][ T4520]
[ 281.032429][ T4520] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.045731][ T4520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.429377][ T4521] loop1: detected capacity change from 0 to 32768
[ 281.481680][ T4521] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.489872][ T4521] CPU: 0 PID: 4521 Comm: syz.1.179 Not tainted syzkaller #0
[ 281.497201][ T4521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 281.507311][ T4521] Call Trace:
[ 281.510610][ T4521]
[ 281.513588][ T4521] dump_stack_lvl+0x168/0x230
[ 281.518335][ T4521] ? show_regs_print_info+0x20/0x20
[ 281.523572][ T4521] ? load_image+0x3b0/0x3b0
[ 281.528114][ T4521] sysfs_create_dir_ns+0x252/0x280
[ 281.533338][ T4521] ? __lock_acquire+0x7c60/0x7c60
[ 281.538397][ T4521] ? sysfs_warn_dup+0xa0/0xa0
[ 281.543111][ T4521] ? do_raw_spin_unlock+0x11d/0x230
[ 281.548339][ T4521] kobject_add_internal+0x662/0xd00
[ 281.553576][ T4521] kobject_init_and_add+0x122/0x190
[ 281.558808][ T4521] ? lockdep_softirqs_off+0x420/0x420
[ 281.564212][ T4521] ? kobject_add+0x210/0x210
[ 281.568831][ T4521] ? __init_swait_queue_head+0xa5/0x150
[ 281.574405][ T4521] gfs2_sys_fs_add+0x234/0x480
[ 281.579196][ T4521] ? gfs2_recover_set+0x240/0x240
[ 281.584248][ T4521] ? snprintf+0xd7/0x120
[ 281.588512][ T4521] ? __free_pages+0x95/0x1a0
[ 281.593128][ T4521] ? vscnprintf+0x80/0x80
[ 281.597486][ T4521] gfs2_fill_super+0x128d/0x1f50
[ 281.602444][ T4521] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.607480][ T4521] ? preempt_count_add+0x8d/0x190
[ 281.612519][ T4521] ? sb_set_blocksize+0xa5/0xe0
[ 281.617395][ T4521] get_tree_bdev+0x3f1/0x610
[ 281.621992][ T4521] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.627017][ T4521] gfs2_get_tree+0x4d/0x1e0
[ 281.631540][ T4521] vfs_get_tree+0x88/0x270
[ 281.635956][ T4521] do_new_mount+0x24a/0xa40
[ 281.640482][ T4521] __se_sys_mount+0x2d6/0x3c0
[ 281.645159][ T4521] ? __x64_sys_mount+0xc0/0xc0
[ 281.649919][ T4521] ? lockdep_hardirqs_on+0x94/0x140
[ 281.655113][ T4521] ? __x64_sys_mount+0x1c/0xc0
[ 281.659877][ T4521] do_syscall_64+0x4c/0xa0
[ 281.664287][ T4521] ? clear_bhb_loop+0x30/0x80
[ 281.668958][ T4521] ? clear_bhb_loop+0x30/0x80
[ 281.673634][ T4521] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 281.679540][ T4521] RIP: 0033:0x7f348819d76a
[ 281.684043][ T4521] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 281.703648][ T4521] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.712061][ T4521] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 281.720029][ T4521] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 281.728002][ T4521] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 281.735972][ T4521] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 281.743950][ T4521] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 281.751940][ T4521]
[ 281.756481][ T4521] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.769646][ T4521] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.150952][ T4522] loop1: detected capacity change from 0 to 32768
[ 282.196434][ T4522] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.204625][ T4522] CPU: 0 PID: 4522 Comm: syz.1.180 Not tainted syzkaller #0
[ 282.211952][ T4522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 282.222034][ T4522] Call Trace:
[ 282.225336][ T4522]
[ 282.228289][ T4522] dump_stack_lvl+0x168/0x230
[ 282.233006][ T4522] ? show_regs_print_info+0x20/0x20
[ 282.238256][ T4522] ? load_image+0x3b0/0x3b0
[ 282.242803][ T4522] sysfs_create_dir_ns+0x252/0x280
[ 282.247943][ T4522] ? __lock_acquire+0x7c60/0x7c60
[ 282.253019][ T4522] ? sysfs_warn_dup+0xa0/0xa0
[ 282.257732][ T4522] ? do_raw_spin_unlock+0x11d/0x230
[ 282.262965][ T4522] kobject_add_internal+0x662/0xd00
[ 282.268196][ T4522] kobject_init_and_add+0x122/0x190
[ 282.273441][ T4522] ? lockdep_softirqs_off+0x420/0x420
[ 282.278845][ T4522] ? kobject_add+0x210/0x210
[ 282.283462][ T4522] ? __init_swait_queue_head+0xa5/0x150
[ 282.289036][ T4522] gfs2_sys_fs_add+0x234/0x480
[ 282.293832][ T4522] ? gfs2_recover_set+0x240/0x240
[ 282.298880][ T4522] ? snprintf+0xd7/0x120
[ 282.303156][ T4522] ? __free_pages+0x95/0x1a0
[ 282.307783][ T4522] ? vscnprintf+0x80/0x80
[ 282.312164][ T4522] gfs2_fill_super+0x128d/0x1f50
[ 282.317112][ T4522] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.322137][ T4522] ? preempt_count_add+0x8d/0x190
[ 282.327168][ T4522] ? sb_set_blocksize+0xa5/0xe0
[ 282.332062][ T4522] get_tree_bdev+0x3f1/0x610
[ 282.336659][ T4522] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.341693][ T4522] gfs2_get_tree+0x4d/0x1e0
[ 282.346197][ T4522] vfs_get_tree+0x88/0x270
[ 282.350703][ T4522] do_new_mount+0x24a/0xa40
[ 282.355207][ T4522] __se_sys_mount+0x2d6/0x3c0
[ 282.359881][ T4522] ? __x64_sys_mount+0xc0/0xc0
[ 282.364657][ T4522] ? lockdep_hardirqs_on+0x94/0x140
[ 282.369881][ T4522] ? __x64_sys_mount+0x1c/0xc0
[ 282.374652][ T4522] do_syscall_64+0x4c/0xa0
[ 282.379062][ T4522] ? clear_bhb_loop+0x30/0x80
[ 282.383739][ T4522] ? clear_bhb_loop+0x30/0x80
[ 282.388500][ T4522] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.394392][ T4522] RIP: 0033:0x7f348819d76a
[ 282.398806][ T4522] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 282.418496][ T4522] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.426909][ T4522] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 282.434910][ T4522] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 282.443233][ T4522] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 282.451208][ T4522] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 282.459180][ T4522] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 282.467162][ T4522]
[ 282.471861][ T4522] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.485071][ T4522] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.874841][ T4523] loop1: detected capacity change from 0 to 32768
[ 282.922259][ T4523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.929851][ T4523] CPU: 1 PID: 4523 Comm: syz.1.181 Not tainted syzkaller #0
[ 282.937161][ T4523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 282.947242][ T4523] Call Trace:
[ 282.950544][ T4523]
[ 282.953495][ T4523] dump_stack_lvl+0x168/0x230
[ 282.958200][ T4523] ? show_regs_print_info+0x20/0x20
[ 282.963424][ T4523] ? load_image+0x3b0/0x3b0
[ 282.967967][ T4523] sysfs_create_dir_ns+0x252/0x280
[ 282.973120][ T4523] ? __lock_acquire+0x7c60/0x7c60
[ 282.978178][ T4523] ? sysfs_warn_dup+0xa0/0xa0
[ 282.982889][ T4523] ? do_raw_spin_unlock+0x11d/0x230
[ 282.988119][ T4523] kobject_add_internal+0x662/0xd00
[ 282.993347][ T4523] kobject_init_and_add+0x122/0x190
[ 282.998574][ T4523] ? lockdep_softirqs_off+0x420/0x420
[ 283.003981][ T4523] ? kobject_add+0x210/0x210
[ 283.008606][ T4523] ? __init_swait_queue_head+0xa5/0x150
[ 283.014191][ T4523] gfs2_sys_fs_add+0x234/0x480
[ 283.018981][ T4523] ? gfs2_recover_set+0x240/0x240
[ 283.024019][ T4523] ? snprintf+0xd7/0x120
[ 283.028389][ T4523] ? __free_pages+0x95/0x1a0
[ 283.032986][ T4523] ? vscnprintf+0x80/0x80
[ 283.037327][ T4523] gfs2_fill_super+0x128d/0x1f50
[ 283.042278][ T4523] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.047413][ T4523] ? preempt_count_add+0x8d/0x190
[ 283.052447][ T4523] ? sb_set_blocksize+0xa5/0xe0
[ 283.057299][ T4523] get_tree_bdev+0x3f1/0x610
[ 283.061895][ T4523] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.066926][ T4523] gfs2_get_tree+0x4d/0x1e0
[ 283.071463][ T4523] vfs_get_tree+0x88/0x270
[ 283.075888][ T4523] do_new_mount+0x24a/0xa40
[ 283.080398][ T4523] __se_sys_mount+0x2d6/0x3c0
[ 283.085078][ T4523] ? __x64_sys_mount+0xc0/0xc0
[ 283.089846][ T4523] ? lockdep_hardirqs_on+0x94/0x140
[ 283.095047][ T4523] ? __x64_sys_mount+0x1c/0xc0
[ 283.099809][ T4523] do_syscall_64+0x4c/0xa0
[ 283.104222][ T4523] ? clear_bhb_loop+0x30/0x80
[ 283.108902][ T4523] ? clear_bhb_loop+0x30/0x80
[ 283.113574][ T4523] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 283.119470][ T4523] RIP: 0033:0x7f348819d76a
[ 283.123892][ T4523] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 283.143537][ T4523] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.151948][ T4523] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 283.159930][ T4523] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 283.167909][ T4523] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 283.175885][ T4523] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 283.183865][ T4523] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 283.192017][ T4523]
[ 283.199237][ T4523] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.213412][ T4523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.562279][ T4524] loop1: detected capacity change from 0 to 32768
[ 283.666396][ T4524] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.674135][ T4524] CPU: 0 PID: 4524 Comm: syz.1.182 Not tainted syzkaller #0
[ 283.681457][ T4524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 283.691537][ T4524] Call Trace:
[ 283.694845][ T4524]
[ 283.697815][ T4524] dump_stack_lvl+0x168/0x230
[ 283.702541][ T4524] ? show_regs_print_info+0x20/0x20
[ 283.707767][ T4524] ? load_image+0x3b0/0x3b0
[ 283.712315][ T4524] sysfs_create_dir_ns+0x252/0x280
[ 283.717450][ T4524] ? __lock_acquire+0x7c60/0x7c60
[ 283.722499][ T4524] ? sysfs_warn_dup+0xa0/0xa0
[ 283.727202][ T4524] ? do_raw_spin_unlock+0x11d/0x230
[ 283.732405][ T4524] kobject_add_internal+0x662/0xd00
[ 283.737620][ T4524] kobject_init_and_add+0x122/0x190
[ 283.742826][ T4524] ? lockdep_softirqs_off+0x420/0x420
[ 283.748202][ T4524] ? kobject_add+0x210/0x210
[ 283.752787][ T4524] ? __init_swait_queue_head+0xa5/0x150
[ 283.758327][ T4524] gfs2_sys_fs_add+0x234/0x480
[ 283.763090][ T4524] ? gfs2_recover_set+0x240/0x240
[ 283.768112][ T4524] ? snprintf+0xd7/0x120
[ 283.772355][ T4524] ? __free_pages+0x95/0x1a0
[ 283.776948][ T4524] ? vscnprintf+0x80/0x80
[ 283.781285][ T4524] gfs2_fill_super+0x128d/0x1f50
[ 283.786230][ T4524] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.791260][ T4524] ? preempt_count_add+0x8d/0x190
[ 283.796304][ T4524] ? sb_set_blocksize+0xa5/0xe0
[ 283.801156][ T4524] get_tree_bdev+0x3f1/0x610
[ 283.805763][ T4524] ? gfs2_reconfigure+0xcd0/0xcd0
[ 283.810796][ T4524] gfs2_get_tree+0x4d/0x1e0
[ 283.815307][ T4524] vfs_get_tree+0x88/0x270
[ 283.819726][ T4524] do_new_mount+0x24a/0xa40
[ 283.824235][ T4524] __se_sys_mount+0x2d6/0x3c0
[ 283.828936][ T4524] ? __x64_sys_mount+0xc0/0xc0
[ 283.833710][ T4524] ? lockdep_hardirqs_on+0x94/0x140
[ 283.838909][ T4524] ? __x64_sys_mount+0x1c/0xc0
[ 283.843676][ T4524] do_syscall_64+0x4c/0xa0
[ 283.848097][ T4524] ? clear_bhb_loop+0x30/0x80
[ 283.852774][ T4524] ? clear_bhb_loop+0x30/0x80
[ 283.857457][ T4524] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 283.863360][ T4524] RIP: 0033:0x7f348819d76a
[ 283.867778][ T4524] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 283.887388][ T4524] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.895806][ T4524] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 283.903792][ T4524] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 283.912375][ T4524] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 283.920351][ T4524] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 283.928318][ T4524] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 283.936315][ T4524]
[ 283.940734][ T4524] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.953924][ T4524] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.327289][ T4525] loop1: detected capacity change from 0 to 32768
[ 284.383040][ T4525] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.390461][ T4525] CPU: 1 PID: 4525 Comm: syz.1.183 Not tainted syzkaller #0
[ 284.397808][ T4525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 284.407884][ T4525] Call Trace:
[ 284.411181][ T4525]
[ 284.414138][ T4525] dump_stack_lvl+0x168/0x230
[ 284.418939][ T4525] ? show_regs_print_info+0x20/0x20
[ 284.424163][ T4525] ? load_image+0x3b0/0x3b0
[ 284.428704][ T4525] sysfs_create_dir_ns+0x252/0x280
[ 284.433844][ T4525] ? __lock_acquire+0x7c60/0x7c60
[ 284.438900][ T4525] ? sysfs_warn_dup+0xa0/0xa0
[ 284.443626][ T4525] ? do_raw_spin_unlock+0x11d/0x230
[ 284.448853][ T4525] kobject_add_internal+0x662/0xd00
[ 284.454085][ T4525] kobject_init_and_add+0x122/0x190
[ 284.459309][ T4525] ? lockdep_softirqs_off+0x420/0x420
[ 284.464718][ T4525] ? kobject_add+0x210/0x210
[ 284.469359][ T4525] ? __init_swait_queue_head+0xa5/0x150
[ 284.474937][ T4525] gfs2_sys_fs_add+0x234/0x480
[ 284.479743][ T4525] ? gfs2_recover_set+0x240/0x240
[ 284.484801][ T4525] ? snprintf+0xd7/0x120
[ 284.489078][ T4525] ? __free_pages+0x95/0x1a0
[ 284.493697][ T4525] ? vscnprintf+0x80/0x80
[ 284.498060][ T4525] gfs2_fill_super+0x128d/0x1f50
[ 284.503008][ T4525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.508032][ T4525] ? preempt_count_add+0x8d/0x190
[ 284.513080][ T4525] ? sb_set_blocksize+0xa5/0xe0
[ 284.517951][ T4525] get_tree_bdev+0x3f1/0x610
[ 284.522545][ T4525] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.527569][ T4525] gfs2_get_tree+0x4d/0x1e0
[ 284.532156][ T4525] vfs_get_tree+0x88/0x270
[ 284.536573][ T4525] do_new_mount+0x24a/0xa40
[ 284.541080][ T4525] __se_sys_mount+0x2d6/0x3c0
[ 284.545762][ T4525] ? __x64_sys_mount+0xc0/0xc0
[ 284.550537][ T4525] ? lockdep_hardirqs_on+0x94/0x140
[ 284.555734][ T4525] ? __x64_sys_mount+0x1c/0xc0
[ 284.560502][ T4525] do_syscall_64+0x4c/0xa0
[ 284.564918][ T4525] ? clear_bhb_loop+0x30/0x80
[ 284.569594][ T4525] ? clear_bhb_loop+0x30/0x80
[ 284.574275][ T4525] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 284.580180][ T4525] RIP: 0033:0x7f348819d76a
[ 284.584603][ T4525] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 284.604835][ T4525] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.613266][ T4525] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 284.621265][ T4525] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 284.629232][ T4525] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 284.637199][ T4525] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 284.645262][ T4525] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 284.653274][ T4525]
[ 284.657265][ T4525] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.670605][ T4525] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 11:08:21 executed programs: 169
[ 285.044763][ T4526] loop1: detected capacity change from 0 to 32768
[ 285.094585][ T4526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.102714][ T4526] CPU: 0 PID: 4526 Comm: syz.1.184 Not tainted syzkaller #0
[ 285.110035][ T4526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 285.120145][ T4526] Call Trace:
[ 285.123453][ T4526]
[ 285.126409][ T4526] dump_stack_lvl+0x168/0x230
[ 285.131127][ T4526] ? show_regs_print_info+0x20/0x20
[ 285.136360][ T4526] ? load_image+0x3b0/0x3b0
[ 285.141351][ T4526] sysfs_create_dir_ns+0x252/0x280
[ 285.146489][ T4526] ? __lock_acquire+0x7c60/0x7c60
[ 285.151552][ T4526] ? sysfs_warn_dup+0xa0/0xa0
[ 285.156273][ T4526] ? do_raw_spin_unlock+0x11d/0x230
[ 285.161502][ T4526] kobject_add_internal+0x662/0xd00
[ 285.166741][ T4526] kobject_init_and_add+0x122/0x190
[ 285.171963][ T4526] ? lockdep_softirqs_off+0x420/0x420
[ 285.177372][ T4526] ? kobject_add+0x210/0x210
[ 285.181988][ T4526] ? __init_swait_queue_head+0xa5/0x150
[ 285.187570][ T4526] gfs2_sys_fs_add+0x234/0x480
[ 285.192372][ T4526] ? gfs2_recover_set+0x240/0x240
[ 285.197429][ T4526] ? snprintf+0xd7/0x120
[ 285.201707][ T4526] ? __free_pages+0x95/0x1a0
[ 285.206326][ T4526] ? vscnprintf+0x80/0x80
[ 285.210669][ T4526] gfs2_fill_super+0x128d/0x1f50
[ 285.215622][ T4526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.220660][ T4526] ? preempt_count_add+0x8d/0x190
[ 285.225691][ T4526] ? sb_set_blocksize+0xa5/0xe0
[ 285.230545][ T4526] get_tree_bdev+0x3f1/0x610
[ 285.235140][ T4526] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.240194][ T4526] gfs2_get_tree+0x4d/0x1e0
[ 285.244700][ T4526] vfs_get_tree+0x88/0x270
[ 285.249115][ T4526] do_new_mount+0x24a/0xa40
[ 285.253621][ T4526] __se_sys_mount+0x2d6/0x3c0
[ 285.258298][ T4526] ? __x64_sys_mount+0xc0/0xc0
[ 285.263073][ T4526] ? lockdep_hardirqs_on+0x94/0x140
[ 285.268288][ T4526] ? __x64_sys_mount+0x1c/0xc0
[ 285.273065][ T4526] do_syscall_64+0x4c/0xa0
[ 285.277488][ T4526] ? clear_bhb_loop+0x30/0x80
[ 285.282172][ T4526] ? clear_bhb_loop+0x30/0x80
[ 285.286860][ T4526] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.292757][ T4526] RIP: 0033:0x7f348819d76a
[ 285.297197][ T4526] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 285.316811][ T4526] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.325246][ T4526] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 285.333224][ T4526] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 285.341199][ T4526] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 285.349192][ T4526] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 285.357161][ T4526] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 285.365152][ T4526]
[ 285.369752][ T4526] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.382948][ T4526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.752128][ T4527] loop1: detected capacity change from 0 to 32768
[ 285.801590][ T4527] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.809804][ T4527] CPU: 0 PID: 4527 Comm: syz.1.185 Not tainted syzkaller #0
[ 285.817121][ T4527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 285.827287][ T4527] Call Trace:
[ 285.830591][ T4527]
[ 285.833542][ T4527] dump_stack_lvl+0x168/0x230
[ 285.838250][ T4527] ? show_regs_print_info+0x20/0x20
[ 285.843471][ T4527] ? load_image+0x3b0/0x3b0
[ 285.848008][ T4527] sysfs_create_dir_ns+0x252/0x280
[ 285.853148][ T4527] ? __lock_acquire+0x7c60/0x7c60
[ 285.858288][ T4527] ? sysfs_warn_dup+0xa0/0xa0
[ 285.862994][ T4527] ? do_raw_spin_unlock+0x11d/0x230
[ 285.868218][ T4527] kobject_add_internal+0x662/0xd00
[ 285.873448][ T4527] kobject_init_and_add+0x122/0x190
[ 285.878667][ T4527] ? lockdep_softirqs_off+0x420/0x420
[ 285.884068][ T4527] ? kobject_add+0x210/0x210
[ 285.888689][ T4527] ? __init_swait_queue_head+0xa5/0x150
[ 285.894262][ T4527] gfs2_sys_fs_add+0x234/0x480
[ 285.899076][ T4527] ? gfs2_recover_set+0x240/0x240
[ 285.904110][ T4527] ? snprintf+0xd7/0x120
[ 285.908351][ T4527] ? __free_pages+0x95/0x1a0
[ 285.912945][ T4527] ? vscnprintf+0x80/0x80
[ 285.917409][ T4527] gfs2_fill_super+0x128d/0x1f50
[ 285.922362][ T4527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.927384][ T4527] ? preempt_count_add+0x8d/0x190
[ 285.932417][ T4527] ? sb_set_blocksize+0xa5/0xe0
[ 285.937261][ T4527] get_tree_bdev+0x3f1/0x610
[ 285.941847][ T4527] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.946866][ T4527] gfs2_get_tree+0x4d/0x1e0
[ 285.951363][ T4527] vfs_get_tree+0x88/0x270
[ 285.955778][ T4527] do_new_mount+0x24a/0xa40
[ 285.960279][ T4527] __se_sys_mount+0x2d6/0x3c0
[ 285.964967][ T4527] ? __x64_sys_mount+0xc0/0xc0
[ 285.969755][ T4527] ? lockdep_hardirqs_on+0x94/0x140
[ 285.974956][ T4527] ? __x64_sys_mount+0x1c/0xc0
[ 285.979723][ T4527] do_syscall_64+0x4c/0xa0
[ 285.984141][ T4527] ? clear_bhb_loop+0x30/0x80
[ 285.988861][ T4527] ? clear_bhb_loop+0x30/0x80
[ 285.993538][ T4527] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.999426][ T4527] RIP: 0033:0x7f348819d76a
[ 286.003835][ T4527] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 286.023444][ T4527] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.031865][ T4527] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 286.039832][ T4527] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 286.047800][ T4527] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 286.055764][ T4527] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 286.063733][ T4527] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 286.071727][ T4527]
[ 286.076113][ T4527] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.089555][ T4527] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.456495][ T4528] loop1: detected capacity change from 0 to 32768
[ 286.474227][ T4528] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.481653][ T4528] CPU: 0 PID: 4528 Comm: syz.1.186 Not tainted syzkaller #0
[ 286.488963][ T4528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 286.499038][ T4528] Call Trace:
[ 286.502865][ T4528]
[ 286.505818][ T4528] dump_stack_lvl+0x168/0x230
[ 286.510527][ T4528] ? show_regs_print_info+0x20/0x20
[ 286.515756][ T4528] ? load_image+0x3b0/0x3b0
[ 286.520306][ T4528] sysfs_create_dir_ns+0x252/0x280
[ 286.525461][ T4528] ? __lock_acquire+0x7c60/0x7c60
[ 286.530605][ T4528] ? sysfs_warn_dup+0xa0/0xa0
[ 286.535314][ T4528] ? do_raw_spin_unlock+0x11d/0x230
[ 286.540541][ T4528] kobject_add_internal+0x662/0xd00
[ 286.545781][ T4528] kobject_init_and_add+0x122/0x190
[ 286.551015][ T4528] ? lockdep_softirqs_off+0x420/0x420
[ 286.556417][ T4528] ? kobject_add+0x210/0x210
[ 286.561127][ T4528] ? __init_swait_queue_head+0xa5/0x150
[ 286.566710][ T4528] gfs2_sys_fs_add+0x234/0x480
[ 286.571504][ T4528] ? gfs2_recover_set+0x240/0x240
[ 286.576554][ T4528] ? snprintf+0xd7/0x120
[ 286.580825][ T4528] ? __free_pages+0x95/0x1a0
[ 286.585453][ T4528] ? vscnprintf+0x80/0x80
[ 286.589799][ T4528] gfs2_fill_super+0x128d/0x1f50
[ 286.594769][ T4528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 286.599883][ T4528] ? preempt_count_add+0x8d/0x190
[ 286.604917][ T4528] ? sb_set_blocksize+0xa5/0xe0
[ 286.609786][ T4528] get_tree_bdev+0x3f1/0x610
[ 286.614381][ T4528] ? gfs2_reconfigure+0xcd0/0xcd0
[ 286.619499][ T4528] gfs2_get_tree+0x4d/0x1e0
[ 286.624002][ T4528] vfs_get_tree+0x88/0x270
[ 286.628426][ T4528] do_new_mount+0x24a/0xa40
[ 286.633030][ T4528] __se_sys_mount+0x2d6/0x3c0
[ 286.637898][ T4528] ? __x64_sys_mount+0xc0/0xc0
[ 286.642663][ T4528] ? lockdep_hardirqs_on+0x94/0x140
[ 286.647859][ T4528] ? __x64_sys_mount+0x1c/0xc0
[ 286.652620][ T4528] do_syscall_64+0x4c/0xa0
[ 286.657037][ T4528] ? clear_bhb_loop+0x30/0x80
[ 286.661720][ T4528] ? clear_bhb_loop+0x30/0x80
[ 286.666406][ T4528] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.672309][ T4528] RIP: 0033:0x7f348819d76a
[ 286.676736][ T4528] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 286.696346][ T4528] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.704773][ T4528] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 286.712745][ T4528] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 286.720716][ T4528] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 286.729669][ T4528] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 286.737642][ T4528] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 286.745628][ T4528]
[ 286.750112][ T4528] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.763320][ T4528] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.133815][ T4529] loop1: detected capacity change from 0 to 32768
[ 287.184666][ T4529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.192170][ T4529] CPU: 0 PID: 4529 Comm: syz.1.187 Not tainted syzkaller #0
[ 287.199475][ T4529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 287.209556][ T4529] Call Trace:
[ 287.212860][ T4529]
[ 287.215810][ T4529] dump_stack_lvl+0x168/0x230
[ 287.220516][ T4529] ? show_regs_print_info+0x20/0x20
[ 287.225744][ T4529] ? load_image+0x3b0/0x3b0
[ 287.230297][ T4529] sysfs_create_dir_ns+0x252/0x280
[ 287.235439][ T4529] ? __lock_acquire+0x7c60/0x7c60
[ 287.240496][ T4529] ? sysfs_warn_dup+0xa0/0xa0
[ 287.245213][ T4529] ? do_raw_spin_unlock+0x11d/0x230
[ 287.250439][ T4529] kobject_add_internal+0x662/0xd00
[ 287.255667][ T4529] kobject_init_and_add+0x122/0x190
[ 287.260890][ T4529] ? lockdep_softirqs_off+0x420/0x420
[ 287.266294][ T4529] ? kobject_add+0x210/0x210
[ 287.270923][ T4529] ? __init_swait_queue_head+0xa5/0x150
[ 287.276500][ T4529] gfs2_sys_fs_add+0x234/0x480
[ 287.281296][ T4529] ? gfs2_recover_set+0x240/0x240
[ 287.286330][ T4529] ? snprintf+0xd7/0x120
[ 287.290596][ T4529] ? __free_pages+0x95/0x1a0
[ 287.295184][ T4529] ? vscnprintf+0x80/0x80
[ 287.299523][ T4529] gfs2_fill_super+0x128d/0x1f50
[ 287.304476][ T4529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.309501][ T4529] ? preempt_count_add+0x8d/0x190
[ 287.314539][ T4529] ? sb_set_blocksize+0xa5/0xe0
[ 287.319389][ T4529] get_tree_bdev+0x3f1/0x610
[ 287.323972][ T4529] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.328993][ T4529] gfs2_get_tree+0x4d/0x1e0
[ 287.333500][ T4529] vfs_get_tree+0x88/0x270
[ 287.337935][ T4529] do_new_mount+0x24a/0xa40
[ 287.342441][ T4529] __se_sys_mount+0x2d6/0x3c0
[ 287.347115][ T4529] ? __x64_sys_mount+0xc0/0xc0
[ 287.351896][ T4529] ? lockdep_hardirqs_on+0x94/0x140
[ 287.357088][ T4529] ? __x64_sys_mount+0x1c/0xc0
[ 287.361846][ T4529] do_syscall_64+0x4c/0xa0
[ 287.366368][ T4529] ? clear_bhb_loop+0x30/0x80
[ 287.371048][ T4529] ? clear_bhb_loop+0x30/0x80
[ 287.375735][ T4529] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 287.381659][ T4529] RIP: 0033:0x7f348819d76a
[ 287.386080][ T4529] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 287.405702][ T4529] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.414132][ T4529] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 287.422098][ T4529] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 287.430087][ T4529] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 287.438056][ T4529] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 287.446035][ T4529] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 287.454040][ T4529]
[ 287.459061][ T4529] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.472541][ T4529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.842241][ T4530] loop1: detected capacity change from 0 to 32768
[ 287.892540][ T4530] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.899966][ T4530] CPU: 0 PID: 4530 Comm: syz.1.188 Not tainted syzkaller #0
[ 287.907276][ T4530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 287.917353][ T4530] Call Trace:
[ 287.920655][ T4530]
[ 287.923610][ T4530] dump_stack_lvl+0x168/0x230
[ 287.928323][ T4530] ? show_regs_print_info+0x20/0x20
[ 287.933555][ T4530] ? load_image+0x3b0/0x3b0
[ 287.938101][ T4530] sysfs_create_dir_ns+0x252/0x280
[ 287.943254][ T4530] ? __lock_acquire+0x7c60/0x7c60
[ 287.948322][ T4530] ? sysfs_warn_dup+0xa0/0xa0
[ 287.953034][ T4530] ? do_raw_spin_unlock+0x11d/0x230
[ 287.958277][ T4530] kobject_add_internal+0x662/0xd00
[ 287.963510][ T4530] kobject_init_and_add+0x122/0x190
[ 287.968735][ T4530] ? lockdep_softirqs_off+0x420/0x420
[ 287.974231][ T4530] ? kobject_add+0x210/0x210
[ 287.978854][ T4530] ? __init_swait_queue_head+0xa5/0x150
[ 287.984425][ T4530] gfs2_sys_fs_add+0x234/0x480
[ 287.989236][ T4530] ? gfs2_recover_set+0x240/0x240
[ 287.994282][ T4530] ? snprintf+0xd7/0x120
[ 287.998553][ T4530] ? __free_pages+0x95/0x1a0
[ 288.003160][ T4530] ? vscnprintf+0x80/0x80
[ 288.007516][ T4530] gfs2_fill_super+0x128d/0x1f50
[ 288.012471][ T4530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.017497][ T4530] ? preempt_count_add+0x8d/0x190
[ 288.022529][ T4530] ? sb_set_blocksize+0xa5/0xe0
[ 288.027410][ T4530] get_tree_bdev+0x3f1/0x610
[ 288.032019][ T4530] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.037043][ T4530] gfs2_get_tree+0x4d/0x1e0
[ 288.041547][ T4530] vfs_get_tree+0x88/0x270
[ 288.045959][ T4530] do_new_mount+0x24a/0xa40
[ 288.050464][ T4530] __se_sys_mount+0x2d6/0x3c0
[ 288.055148][ T4530] ? __x64_sys_mount+0xc0/0xc0
[ 288.059915][ T4530] ? lockdep_hardirqs_on+0x94/0x140
[ 288.065107][ T4530] ? __x64_sys_mount+0x1c/0xc0
[ 288.069865][ T4530] do_syscall_64+0x4c/0xa0
[ 288.074275][ T4530] ? clear_bhb_loop+0x30/0x80
[ 288.078948][ T4530] ? clear_bhb_loop+0x30/0x80
[ 288.083621][ T4530] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.089510][ T4530] RIP: 0033:0x7f348819d76a
[ 288.093922][ T4530] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 288.113524][ T4530] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.121936][ T4530] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 288.129903][ T4530] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 288.137960][ T4530] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 288.145926][ T4530] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 288.153909][ T4530] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 288.161906][ T4530]
[ 288.166203][ T4530] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.179476][ T4530] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.342384][ T4285] Bluetooth: hci1: command 0x0406 tx timeout
[ 288.568728][ T4531] loop1: detected capacity change from 0 to 32768
[ 288.630799][ T4531] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.639287][ T4531] CPU: 0 PID: 4531 Comm: syz.1.189 Not tainted syzkaller #0
[ 288.646620][ T4531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 288.656696][ T4531] Call Trace:
[ 288.660000][ T4531]
[ 288.662964][ T4531] dump_stack_lvl+0x168/0x230
[ 288.667672][ T4531] ? show_regs_print_info+0x20/0x20
[ 288.672896][ T4531] ? load_image+0x3b0/0x3b0
[ 288.677444][ T4531] sysfs_create_dir_ns+0x252/0x280
[ 288.682592][ T4531] ? __lock_acquire+0x7c60/0x7c60
[ 288.687651][ T4531] ? sysfs_warn_dup+0xa0/0xa0
[ 288.692360][ T4531] ? do_raw_spin_unlock+0x11d/0x230
[ 288.697608][ T4531] kobject_add_internal+0x662/0xd00
[ 288.702842][ T4531] kobject_init_and_add+0x122/0x190
[ 288.708061][ T4531] ? lockdep_softirqs_off+0x420/0x420
[ 288.713564][ T4531] ? kobject_add+0x210/0x210
[ 288.718189][ T4531] ? __init_swait_queue_head+0xa5/0x150
[ 288.723765][ T4531] gfs2_sys_fs_add+0x234/0x480
[ 288.728572][ T4531] ? gfs2_recover_set+0x240/0x240
[ 288.733619][ T4531] ? snprintf+0xd7/0x120
[ 288.737885][ T4531] ? __free_pages+0x95/0x1a0
[ 288.742498][ T4531] ? vscnprintf+0x80/0x80
[ 288.746840][ T4531] gfs2_fill_super+0x128d/0x1f50
[ 288.751926][ T4531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.757009][ T4531] ? preempt_count_add+0x8d/0x190
[ 288.762158][ T4531] ? sb_set_blocksize+0xa5/0xe0
[ 288.767008][ T4531] get_tree_bdev+0x3f1/0x610
[ 288.771602][ T4531] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.776627][ T4531] gfs2_get_tree+0x4d/0x1e0
[ 288.781128][ T4531] vfs_get_tree+0x88/0x270
[ 288.785548][ T4531] do_new_mount+0x24a/0xa40
[ 288.790095][ T4531] __se_sys_mount+0x2d6/0x3c0
[ 288.794786][ T4531] ? __x64_sys_mount+0xc0/0xc0
[ 288.799553][ T4531] ? lockdep_hardirqs_on+0x94/0x140
[ 288.804760][ T4531] ? __x64_sys_mount+0x1c/0xc0
[ 288.809524][ T4531] do_syscall_64+0x4c/0xa0
[ 288.813937][ T4531] ? clear_bhb_loop+0x30/0x80
[ 288.818608][ T4531] ? clear_bhb_loop+0x30/0x80
[ 288.823281][ T4531] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.829169][ T4531] RIP: 0033:0x7f348819d76a
[ 288.833582][ T4531] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 288.853199][ T4531] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.861602][ T4531] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 288.869567][ T4531] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 288.877556][ T4531] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 288.885522][ T4531] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 288.893488][ T4531] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 288.901482][ T4531]
[ 288.906047][ T4531] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.919496][ T4531] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.271656][ T4532] loop1: detected capacity change from 0 to 32768
[ 289.333383][ T4532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.340835][ T4532] CPU: 1 PID: 4532 Comm: syz.1.190 Not tainted syzkaller #0
[ 289.348169][ T4532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 289.358254][ T4532] Call Trace:
[ 289.361571][ T4532]
[ 289.364540][ T4532] dump_stack_lvl+0x168/0x230
[ 289.369256][ T4532] ? show_regs_print_info+0x20/0x20
[ 289.374479][ T4532] ? load_image+0x3b0/0x3b0
[ 289.379022][ T4532] sysfs_create_dir_ns+0x252/0x280
[ 289.384168][ T4532] ? __lock_acquire+0x7c60/0x7c60
[ 289.389226][ T4532] ? sysfs_warn_dup+0xa0/0xa0
[ 289.393941][ T4532] ? do_raw_spin_unlock+0x11d/0x230
[ 289.399173][ T4532] kobject_add_internal+0x662/0xd00
[ 289.404399][ T4532] kobject_init_and_add+0x122/0x190
[ 289.409618][ T4532] ? lockdep_softirqs_off+0x420/0x420
[ 289.415018][ T4532] ? kobject_add+0x210/0x210
[ 289.419641][ T4532] ? __init_swait_queue_head+0xa5/0x150
[ 289.425214][ T4532] gfs2_sys_fs_add+0x234/0x480
[ 289.430004][ T4532] ? gfs2_recover_set+0x240/0x240
[ 289.435080][ T4532] ? snprintf+0xd7/0x120
[ 289.439341][ T4532] ? __free_pages+0x95/0x1a0
[ 289.443938][ T4532] ? vscnprintf+0x80/0x80
[ 289.448294][ T4532] gfs2_fill_super+0x128d/0x1f50
[ 289.453246][ T4532] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.458281][ T4532] ? preempt_count_add+0x8d/0x190
[ 289.463329][ T4532] ? sb_set_blocksize+0xa5/0xe0
[ 289.468186][ T4532] get_tree_bdev+0x3f1/0x610
[ 289.472775][ T4532] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.477806][ T4532] gfs2_get_tree+0x4d/0x1e0
[ 289.482404][ T4532] vfs_get_tree+0x88/0x270
[ 289.486831][ T4532] do_new_mount+0x24a/0xa40
[ 289.491340][ T4532] __se_sys_mount+0x2d6/0x3c0
[ 289.496027][ T4532] ? __x64_sys_mount+0xc0/0xc0
[ 289.500801][ T4532] ? lockdep_hardirqs_on+0x94/0x140
[ 289.505996][ T4532] ? __x64_sys_mount+0x1c/0xc0
[ 289.510763][ T4532] do_syscall_64+0x4c/0xa0
[ 289.515183][ T4532] ? clear_bhb_loop+0x30/0x80
[ 289.519854][ T4532] ? clear_bhb_loop+0x30/0x80
[ 289.524533][ T4532] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 289.530449][ T4532] RIP: 0033:0x7f348819d76a
[ 289.534867][ T4532] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 289.554476][ T4532] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.562895][ T4532] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 289.570870][ T4532] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 289.578838][ T4532] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 289.586833][ T4532] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 289.594809][ T4532] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 289.602808][ T4532]
[ 289.616362][ T4532] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.629566][ T4532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.002154][ T4533] loop1: detected capacity change from 0 to 32768
[ 290.016783][ T4533] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.024531][ T4533] CPU: 0 PID: 4533 Comm: syz.1.191 Not tainted syzkaller #0
[ 290.031840][ T4533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 290.041917][ T4533] Call Trace:
[ 290.045215][ T4533]
[ 290.048165][ T4533] dump_stack_lvl+0x168/0x230
[ 290.052871][ T4533] ? show_regs_print_info+0x20/0x20
[ 290.058106][ T4533] ? load_image+0x3b0/0x3b0
[ 290.062742][ T4533] sysfs_create_dir_ns+0x252/0x280
[ 290.067880][ T4533] ? __lock_acquire+0x7c60/0x7c60
[ 290.072908][ T4533] ? sysfs_warn_dup+0xa0/0xa0
[ 290.077588][ T4533] ? do_raw_spin_unlock+0x11d/0x230
[ 290.082793][ T4533] kobject_add_internal+0x662/0xd00
[ 290.088040][ T4533] kobject_init_and_add+0x122/0x190
[ 290.093235][ T4533] ? lockdep_softirqs_off+0x420/0x420
[ 290.098609][ T4533] ? kobject_add+0x210/0x210
[ 290.103195][ T4533] ? __init_swait_queue_head+0xa5/0x150
[ 290.108743][ T4533] gfs2_sys_fs_add+0x234/0x480
[ 290.113507][ T4533] ? gfs2_recover_set+0x240/0x240
[ 290.118524][ T4533] ? snprintf+0xd7/0x120
[ 290.122762][ T4533] ? __free_pages+0x95/0x1a0
[ 290.127352][ T4533] ? vscnprintf+0x80/0x80
[ 290.131687][ T4533] gfs2_fill_super+0x128d/0x1f50
[ 290.136733][ T4533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.141855][ T4533] ? preempt_count_add+0x8d/0x190
[ 290.146886][ T4533] ? sb_set_blocksize+0xa5/0xe0
[ 290.151737][ T4533] get_tree_bdev+0x3f1/0x610
[ 290.156334][ T4533] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.161358][ T4533] gfs2_get_tree+0x4d/0x1e0
[ 290.165881][ T4533] vfs_get_tree+0x88/0x270
[ 290.170297][ T4533] do_new_mount+0x24a/0xa40
[ 290.174815][ T4533] __se_sys_mount+0x2d6/0x3c0
[ 290.179633][ T4533] ? __x64_sys_mount+0xc0/0xc0
[ 290.184424][ T4533] ? lockdep_hardirqs_on+0x94/0x140
[ 290.189640][ T4533] ? __x64_sys_mount+0x1c/0xc0
[ 290.194411][ T4533] do_syscall_64+0x4c/0xa0
[ 290.198824][ T4533] ? clear_bhb_loop+0x30/0x80
[ 290.203514][ T4533] ? clear_bhb_loop+0x30/0x80
[ 290.208192][ T4533] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 290.214086][ T4533] RIP: 0033:0x7f348819d76a
[ 290.218497][ T4533] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 290.238275][ T4533] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.246687][ T4533] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 290.254660][ T4533] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 290.262642][ T4533] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 290.270621][ T4533] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 290.278690][ T4533] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 290.286677][ T4533]
[ 290.291230][ T4533] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.304534][ T4533] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 11:08:27 executed programs: 177
[ 290.707469][ T4534] loop1: detected capacity change from 0 to 32768
[ 290.721074][ T4534] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.729541][ T4534] CPU: 0 PID: 4534 Comm: syz.1.192 Not tainted syzkaller #0
[ 290.736862][ T4534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 290.746942][ T4534] Call Trace:
[ 290.750248][ T4534]
[ 290.753197][ T4534] dump_stack_lvl+0x168/0x230
[ 290.757922][ T4534] ? show_regs_print_info+0x20/0x20
[ 290.763145][ T4534] ? load_image+0x3b0/0x3b0
[ 290.767691][ T4534] sysfs_create_dir_ns+0x252/0x280
[ 290.772823][ T4534] ? __lock_acquire+0x7c60/0x7c60
[ 290.777852][ T4534] ? sysfs_warn_dup+0xa0/0xa0
[ 290.782544][ T4534] ? do_raw_spin_unlock+0x11d/0x230
[ 290.788024][ T4534] kobject_add_internal+0x662/0xd00
[ 290.793252][ T4534] kobject_init_and_add+0x122/0x190
[ 290.798465][ T4534] ? lockdep_softirqs_off+0x420/0x420
[ 290.803855][ T4534] ? kobject_add+0x210/0x210
[ 290.808483][ T4534] ? __init_swait_queue_head+0xa5/0x150
[ 290.814072][ T4534] gfs2_sys_fs_add+0x234/0x480
[ 290.818843][ T4534] ? gfs2_recover_set+0x240/0x240
[ 290.823893][ T4534] ? snprintf+0xd7/0x120
[ 290.828137][ T4534] ? __free_pages+0x95/0x1a0
[ 290.832743][ T4534] ? vscnprintf+0x80/0x80
[ 290.837108][ T4534] gfs2_fill_super+0x128d/0x1f50
[ 290.842057][ T4534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.847089][ T4534] ? preempt_count_add+0x8d/0x190
[ 290.852141][ T4534] ? sb_set_blocksize+0xa5/0xe0
[ 290.856991][ T4534] get_tree_bdev+0x3f1/0x610
[ 290.861583][ T4534] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.866634][ T4534] gfs2_get_tree+0x4d/0x1e0
[ 290.871156][ T4534] vfs_get_tree+0x88/0x270
[ 290.875593][ T4534] do_new_mount+0x24a/0xa40
[ 290.880102][ T4534] __se_sys_mount+0x2d6/0x3c0
[ 290.884778][ T4534] ? __x64_sys_mount+0xc0/0xc0
[ 290.889554][ T4534] ? lockdep_hardirqs_on+0x94/0x140
[ 290.894767][ T4534] ? __x64_sys_mount+0x1c/0xc0
[ 290.899543][ T4534] do_syscall_64+0x4c/0xa0
[ 290.903954][ T4534] ? clear_bhb_loop+0x30/0x80
[ 290.908637][ T4534] ? clear_bhb_loop+0x30/0x80
[ 290.913310][ T4534] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 290.919232][ T4534] RIP: 0033:0x7f348819d76a
[ 290.923642][ T4534] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 290.943244][ T4534] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.951659][ T4534] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 290.959647][ T4534] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 290.967616][ T4534] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 290.975579][ T4534] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 290.983578][ T4534] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 290.991555][ T4534]
[ 290.996182][ T4534] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.009362][ T4534] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.381764][ T4535] loop1: detected capacity change from 0 to 32768
[ 291.434869][ T4535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 291.446348][ T4535] CPU: 1 PID: 4535 Comm: syz.1.193 Not tainted syzkaller #0
[ 291.453670][ T4535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 291.463745][ T4535] Call Trace:
[ 291.467044][ T4535]
[ 291.470001][ T4535] dump_stack_lvl+0x168/0x230
[ 291.474713][ T4535] ? show_regs_print_info+0x20/0x20
[ 291.479941][ T4535] ? load_image+0x3b0/0x3b0
[ 291.484499][ T4535] sysfs_create_dir_ns+0x252/0x280
[ 291.489656][ T4535] ? __lock_acquire+0x7c60/0x7c60
[ 291.494704][ T4535] ? sysfs_warn_dup+0xa0/0xa0
[ 291.499407][ T4535] ? do_raw_spin_unlock+0x11d/0x230
[ 291.504632][ T4535] kobject_add_internal+0x662/0xd00
[ 291.509860][ T4535] kobject_init_and_add+0x122/0x190
[ 291.515550][ T4535] ? lockdep_softirqs_off+0x420/0x420
[ 291.520954][ T4535] ? kobject_add+0x210/0x210
[ 291.525574][ T4535] ? __init_swait_queue_head+0xa5/0x150
[ 291.531161][ T4535] gfs2_sys_fs_add+0x234/0x480
[ 291.536058][ T4535] ? gfs2_recover_set+0x240/0x240
[ 291.541104][ T4535] ? snprintf+0xd7/0x120
[ 291.545490][ T4535] ? __free_pages+0x95/0x1a0
[ 291.550373][ T4535] ? vscnprintf+0x80/0x80
[ 291.554736][ T4535] gfs2_fill_super+0x128d/0x1f50
[ 291.559690][ T4535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.564718][ T4535] ? preempt_count_add+0x8d/0x190
[ 291.569762][ T4535] ? sb_set_blocksize+0xa5/0xe0
[ 291.574620][ T4535] get_tree_bdev+0x3f1/0x610
[ 291.579213][ T4535] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.584379][ T4535] gfs2_get_tree+0x4d/0x1e0
[ 291.588907][ T4535] vfs_get_tree+0x88/0x270
[ 291.593330][ T4535] do_new_mount+0x24a/0xa40
[ 291.597859][ T4535] __se_sys_mount+0x2d6/0x3c0
[ 291.602552][ T4535] ? __x64_sys_mount+0xc0/0xc0
[ 291.607320][ T4535] ? lockdep_hardirqs_on+0x94/0x140
[ 291.612536][ T4535] ? __x64_sys_mount+0x1c/0xc0
[ 291.617305][ T4535] do_syscall_64+0x4c/0xa0
[ 291.621719][ T4535] ? clear_bhb_loop+0x30/0x80
[ 291.626393][ T4535] ? clear_bhb_loop+0x30/0x80
[ 291.631068][ T4535] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.636964][ T4535] RIP: 0033:0x7f348819d76a
[ 291.641381][ T4535] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 291.660979][ T4535] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.669482][ T4535] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 291.677450][ T4535] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 291.685416][ T4535] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 291.693383][ T4535] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 291.701351][ T4535] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 291.709325][ T4535]
[ 291.718969][ T4535] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.732359][ T4535] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.082762][ T4536] loop1: detected capacity change from 0 to 32768
[ 292.132481][ T4536] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.139911][ T4536] CPU: 1 PID: 4536 Comm: syz.1.194 Not tainted syzkaller #0
[ 292.147244][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 292.157325][ T4536] Call Trace:
[ 292.160631][ T4536]
[ 292.163585][ T4536] dump_stack_lvl+0x168/0x230
[ 292.168291][ T4536] ? show_regs_print_info+0x20/0x20
[ 292.173515][ T4536] ? load_image+0x3b0/0x3b0
[ 292.178052][ T4536] sysfs_create_dir_ns+0x252/0x280
[ 292.183194][ T4536] ? __lock_acquire+0x7c60/0x7c60
[ 292.188248][ T4536] ? sysfs_warn_dup+0xa0/0xa0
[ 292.192958][ T4536] ? do_raw_spin_unlock+0x11d/0x230
[ 292.198181][ T4536] kobject_add_internal+0x662/0xd00
[ 292.203406][ T4536] kobject_init_and_add+0x122/0x190
[ 292.208626][ T4536] ? lockdep_softirqs_off+0x420/0x420
[ 292.214025][ T4536] ? kobject_add+0x210/0x210
[ 292.218640][ T4536] ? __init_swait_queue_head+0xa5/0x150
[ 292.224213][ T4536] gfs2_sys_fs_add+0x234/0x480
[ 292.228998][ T4536] ? gfs2_recover_set+0x240/0x240
[ 292.234021][ T4536] ? snprintf+0xd7/0x120
[ 292.238378][ T4536] ? __free_pages+0x95/0x1a0
[ 292.242983][ T4536] ? vscnprintf+0x80/0x80
[ 292.247327][ T4536] gfs2_fill_super+0x128d/0x1f50
[ 292.252303][ T4536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 292.257357][ T4536] ? preempt_count_add+0x8d/0x190
[ 292.262406][ T4536] ? sb_set_blocksize+0xa5/0xe0
[ 292.267274][ T4536] get_tree_bdev+0x3f1/0x610
[ 292.271860][ T4536] ? gfs2_reconfigure+0xcd0/0xcd0
[ 292.276893][ T4536] gfs2_get_tree+0x4d/0x1e0
[ 292.281409][ T4536] vfs_get_tree+0x88/0x270
[ 292.285835][ T4536] do_new_mount+0x24a/0xa40
[ 292.290386][ T4536] __se_sys_mount+0x2d6/0x3c0
[ 292.295066][ T4536] ? __x64_sys_mount+0xc0/0xc0
[ 292.299852][ T4536] ? lockdep_hardirqs_on+0x94/0x140
[ 292.305048][ T4536] ? __x64_sys_mount+0x1c/0xc0
[ 292.309808][ T4536] do_syscall_64+0x4c/0xa0
[ 292.314239][ T4536] ? clear_bhb_loop+0x30/0x80
[ 292.318920][ T4536] ? clear_bhb_loop+0x30/0x80
[ 292.323606][ T4536] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 292.329496][ T4536] RIP: 0033:0x7f348819d76a
[ 292.333923][ T4536] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 292.353527][ T4536] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 292.361944][ T4536] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 292.369946][ T4536] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 292.377920][ T4536] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 292.385883][ T4536] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 292.393857][ T4536] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 292.401848][ T4536]
[ 292.406268][ T4536] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 292.419591][ T4536] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.809040][ T4537] loop1: detected capacity change from 0 to 32768
[ 292.862421][ T4537] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.869949][ T4537] CPU: 0 PID: 4537 Comm: syz.1.195 Not tainted syzkaller #0
[ 292.877373][ T4537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 292.887450][ T4537] Call Trace:
[ 292.890747][ T4537]
[ 292.893699][ T4537] dump_stack_lvl+0x168/0x230
[ 292.898410][ T4537] ? show_regs_print_info+0x20/0x20
[ 292.903729][ T4537] ? load_image+0x3b0/0x3b0
[ 292.908340][ T4537] sysfs_create_dir_ns+0x252/0x280
[ 292.913492][ T4537] ? __lock_acquire+0x7c60/0x7c60
[ 292.918550][ T4537] ? sysfs_warn_dup+0xa0/0xa0
[ 292.923265][ T4537] ? do_raw_spin_unlock+0x11d/0x230
[ 292.928488][ T4537] kobject_add_internal+0x662/0xd00
[ 292.933721][ T4537] kobject_init_and_add+0x122/0x190
[ 292.938943][ T4537] ? lockdep_softirqs_off+0x420/0x420
[ 292.944357][ T4537] ? kobject_add+0x210/0x210
[ 292.948973][ T4537] ? __init_swait_queue_head+0xa5/0x150
[ 292.954537][ T4537] gfs2_sys_fs_add+0x234/0x480
[ 292.959299][ T4537] ? gfs2_recover_set+0x240/0x240
[ 292.964453][ T4537] ? snprintf+0xd7/0x120
[ 292.968707][ T4537] ? __free_pages+0x95/0x1a0
[ 292.973300][ T4537] ? vscnprintf+0x80/0x80
[ 292.977639][ T4537] gfs2_fill_super+0x128d/0x1f50
[ 292.982590][ T4537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 292.987630][ T4537] ? preempt_count_add+0x8d/0x190
[ 292.992660][ T4537] ? sb_set_blocksize+0xa5/0xe0
[ 292.997509][ T4537] get_tree_bdev+0x3f1/0x610
[ 293.002096][ T4537] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.007121][ T4537] gfs2_get_tree+0x4d/0x1e0
[ 293.011625][ T4537] vfs_get_tree+0x88/0x270
[ 293.016037][ T4537] do_new_mount+0x24a/0xa40
[ 293.020542][ T4537] __se_sys_mount+0x2d6/0x3c0
[ 293.025222][ T4537] ? __x64_sys_mount+0xc0/0xc0
[ 293.029983][ T4537] ? lockdep_hardirqs_on+0x94/0x140
[ 293.035179][ T4537] ? __x64_sys_mount+0x1c/0xc0
[ 293.039937][ T4537] do_syscall_64+0x4c/0xa0
[ 293.044352][ T4537] ? clear_bhb_loop+0x30/0x80
[ 293.049118][ T4537] ? clear_bhb_loop+0x30/0x80
[ 293.053798][ T4537] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 293.059778][ T4537] RIP: 0033:0x7f348819d76a
[ 293.064191][ T4537] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 293.083796][ T4537] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.092218][ T4537] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 293.100189][ T4537] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 293.108162][ T4537] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 293.116127][ T4537] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 293.124091][ T4537] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 293.132067][ T4537]
[ 293.139630][ T4537] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.153224][ T4537] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.509473][ T4539] loop1: detected capacity change from 0 to 32768
[ 293.564740][ T4539] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.581094][ T4539] CPU: 1 PID: 4539 Comm: syz.1.196 Not tainted syzkaller #0
[ 293.588435][ T4539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 293.598513][ T4539] Call Trace:
[ 293.601813][ T4539]
[ 293.604765][ T4539] dump_stack_lvl+0x168/0x230
[ 293.609480][ T4539] ? show_regs_print_info+0x20/0x20
[ 293.614715][ T4539] ? load_image+0x3b0/0x3b0
[ 293.619273][ T4539] sysfs_create_dir_ns+0x252/0x280
[ 293.624424][ T4539] ? __lock_acquire+0x7c60/0x7c60
[ 293.629472][ T4539] ? sysfs_warn_dup+0xa0/0xa0
[ 293.634176][ T4539] ? do_raw_spin_unlock+0x11d/0x230
[ 293.639397][ T4539] kobject_add_internal+0x662/0xd00
[ 293.644627][ T4539] kobject_init_and_add+0x122/0x190
[ 293.649847][ T4539] ? lockdep_softirqs_off+0x420/0x420
[ 293.655244][ T4539] ? kobject_add+0x210/0x210
[ 293.659863][ T4539] ? __init_swait_queue_head+0xa5/0x150
[ 293.665440][ T4539] gfs2_sys_fs_add+0x234/0x480
[ 293.670226][ T4539] ? gfs2_recover_set+0x240/0x240
[ 293.675272][ T4539] ? snprintf+0xd7/0x120
[ 293.679536][ T4539] ? __free_pages+0x95/0x1a0
[ 293.684147][ T4539] ? vscnprintf+0x80/0x80
[ 293.688512][ T4539] gfs2_fill_super+0x128d/0x1f50
[ 293.693490][ T4539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.698538][ T4539] ? preempt_count_add+0x8d/0x190
[ 293.703609][ T4539] ? sb_set_blocksize+0xa5/0xe0
[ 293.708503][ T4539] get_tree_bdev+0x3f1/0x610
[ 293.713091][ T4539] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.718115][ T4539] gfs2_get_tree+0x4d/0x1e0
[ 293.722620][ T4539] vfs_get_tree+0x88/0x270
[ 293.727051][ T4539] do_new_mount+0x24a/0xa40
[ 293.731559][ T4539] __se_sys_mount+0x2d6/0x3c0
[ 293.736238][ T4539] ? __x64_sys_mount+0xc0/0xc0
[ 293.741001][ T4539] ? lockdep_hardirqs_on+0x94/0x140
[ 293.746192][ T4539] ? __x64_sys_mount+0x1c/0xc0
[ 293.750968][ T4539] do_syscall_64+0x4c/0xa0
[ 293.755389][ T4539] ? clear_bhb_loop+0x30/0x80
[ 293.760072][ T4539] ? clear_bhb_loop+0x30/0x80
[ 293.764756][ T4539] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 293.770665][ T4539] RIP: 0033:0x7f348819d76a
[ 293.775076][ T4539] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 293.794676][ T4539] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.803089][ T4539] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 293.811698][ T4539] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 293.819662][ T4539] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 293.827629][ T4539] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 293.835608][ T4539] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 293.843598][ T4539]
[ 293.850834][ T4539] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.864901][ T4539] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.238520][ T4541] loop1: detected capacity change from 0 to 32768
[ 294.291883][ T4541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.299430][ T4541] CPU: 0 PID: 4541 Comm: syz.1.197 Not tainted syzkaller #0
[ 294.306742][ T4541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 294.316822][ T4541] Call Trace:
[ 294.320144][ T4541]
[ 294.323100][ T4541] dump_stack_lvl+0x168/0x230
[ 294.327821][ T4541] ? show_regs_print_info+0x20/0x20
[ 294.333077][ T4541] ? load_image+0x3b0/0x3b0
[ 294.337619][ T4541] sysfs_create_dir_ns+0x252/0x280
[ 294.342752][ T4541] ? __lock_acquire+0x7c60/0x7c60
[ 294.347806][ T4541] ? sysfs_warn_dup+0xa0/0xa0
[ 294.352515][ T4541] ? do_raw_spin_unlock+0x11d/0x230
[ 294.357742][ T4541] kobject_add_internal+0x662/0xd00
[ 294.362973][ T4541] kobject_init_and_add+0x122/0x190
[ 294.368191][ T4541] ? lockdep_softirqs_off+0x420/0x420
[ 294.373591][ T4541] ? kobject_add+0x210/0x210
[ 294.378214][ T4541] ? __init_swait_queue_head+0xa5/0x150
[ 294.383787][ T4541] gfs2_sys_fs_add+0x234/0x480
[ 294.388577][ T4541] ? gfs2_recover_set+0x240/0x240
[ 294.393629][ T4541] ? snprintf+0xd7/0x120
[ 294.397903][ T4541] ? __free_pages+0x95/0x1a0
[ 294.402523][ T4541] ? vscnprintf+0x80/0x80
[ 294.406878][ T4541] gfs2_fill_super+0x128d/0x1f50
[ 294.411822][ T4541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 294.416846][ T4541] ? preempt_count_add+0x8d/0x190
[ 294.421875][ T4541] ? sb_set_blocksize+0xa5/0xe0
[ 294.426723][ T4541] get_tree_bdev+0x3f1/0x610
[ 294.431414][ T4541] ? gfs2_reconfigure+0xcd0/0xcd0
[ 294.436443][ T4541] gfs2_get_tree+0x4d/0x1e0
[ 294.440948][ T4541] vfs_get_tree+0x88/0x270
[ 294.445373][ T4541] do_new_mount+0x24a/0xa40
[ 294.449911][ T4541] __se_sys_mount+0x2d6/0x3c0
[ 294.454604][ T4541] ? __x64_sys_mount+0xc0/0xc0
[ 294.459394][ T4541] ? lockdep_hardirqs_on+0x94/0x140
[ 294.464588][ T4541] ? __x64_sys_mount+0x1c/0xc0
[ 294.469357][ T4541] do_syscall_64+0x4c/0xa0
[ 294.473771][ T4541] ? clear_bhb_loop+0x30/0x80
[ 294.478454][ T4541] ? clear_bhb_loop+0x30/0x80
[ 294.483139][ T4541] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 294.489026][ T4541] RIP: 0033:0x7f348819d76a
[ 294.493435][ T4541] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 294.513036][ T4541] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.521450][ T4541] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 294.529427][ T4541] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 294.537503][ T4541] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 294.545468][ T4541] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 294.553440][ T4541] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 294.561439][ T4541]
[ 294.566150][ T4541] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.579614][ T4541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.956515][ T4544] loop1: detected capacity change from 0 to 32768
[ 294.967055][ T4544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.975514][ T4544] CPU: 0 PID: 4544 Comm: syz.1.198 Not tainted syzkaller #0
[ 294.982848][ T4544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 294.992918][ T4544] Call Trace:
[ 294.996216][ T4544]
[ 294.999170][ T4544] dump_stack_lvl+0x168/0x230
[ 295.003888][ T4544] ? show_regs_print_info+0x20/0x20
[ 295.009125][ T4544] ? load_image+0x3b0/0x3b0
[ 295.013671][ T4544] sysfs_create_dir_ns+0x252/0x280
[ 295.018915][ T4544] ? __lock_acquire+0x7c60/0x7c60
[ 295.023971][ T4544] ? sysfs_warn_dup+0xa0/0xa0
[ 295.028760][ T4544] ? do_raw_spin_unlock+0x11d/0x230
[ 295.033964][ T4544] kobject_add_internal+0x662/0xd00
[ 295.039197][ T4544] kobject_init_and_add+0x122/0x190
[ 295.044404][ T4544] ? lockdep_softirqs_off+0x420/0x420
[ 295.049946][ T4544] ? kobject_add+0x210/0x210
[ 295.054551][ T4544] ? __init_swait_queue_head+0xa5/0x150
[ 295.060108][ T4544] gfs2_sys_fs_add+0x234/0x480
[ 295.064975][ T4544] ? gfs2_recover_set+0x240/0x240
[ 295.070002][ T4544] ? snprintf+0xd7/0x120
[ 295.074249][ T4544] ? __free_pages+0x95/0x1a0
[ 295.078842][ T4544] ? vscnprintf+0x80/0x80
[ 295.083195][ T4544] gfs2_fill_super+0x128d/0x1f50
[ 295.088159][ T4544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.093183][ T4544] ? preempt_count_add+0x8d/0x190
[ 295.098211][ T4544] ? sb_set_blocksize+0xa5/0xe0
[ 295.103060][ T4544] get_tree_bdev+0x3f1/0x610
[ 295.107646][ T4544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.112665][ T4544] gfs2_get_tree+0x4d/0x1e0
[ 295.117166][ T4544] vfs_get_tree+0x88/0x270
[ 295.121592][ T4544] do_new_mount+0x24a/0xa40
[ 295.126097][ T4544] __se_sys_mount+0x2d6/0x3c0
[ 295.130771][ T4544] ? __x64_sys_mount+0xc0/0xc0
[ 295.135542][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 295.140758][ T4544] ? __x64_sys_mount+0x1c/0xc0
[ 295.145529][ T4544] do_syscall_64+0x4c/0xa0
[ 295.149977][ T4544] ? clear_bhb_loop+0x30/0x80
[ 295.154668][ T4544] ? clear_bhb_loop+0x30/0x80
[ 295.159407][ T4544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 295.165304][ T4544] RIP: 0033:0x7f348819d76a
[ 295.169742][ T4544] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 295.189351][ T4544] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.197772][ T4544] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 295.205745][ T4544] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 295.213716][ T4544] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 295.221685][ T4544] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 295.229659][ T4544] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 295.237639][ T4544]
[ 295.242250][ T4544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.255565][ T4544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.626800][ T4545] loop1: detected capacity change from 0 to 32768
[ 295.678580][ T4545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.688607][ T4545] CPU: 0 PID: 4545 Comm: syz.1.199 Not tainted syzkaller #0
[ 295.696023][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 295.706181][ T4545] Call Trace:
[ 295.709481][ T4545]
[ 295.712446][ T4545] dump_stack_lvl+0x168/0x230
[ 295.717158][ T4545] ? show_regs_print_info+0x20/0x20
[ 295.722383][ T4545] ? load_image+0x3b0/0x3b0
[ 295.727039][ T4545] sysfs_create_dir_ns+0x252/0x280
[ 295.732184][ T4545] ? __lock_acquire+0x7c60/0x7c60
[ 295.737242][ T4545] ? sysfs_warn_dup+0xa0/0xa0
[ 295.741949][ T4545] ? do_raw_spin_unlock+0x11d/0x230
[ 295.747168][ T4545] kobject_add_internal+0x662/0xd00
[ 295.752394][ T4545] kobject_init_and_add+0x122/0x190
[ 295.757608][ T4545] ? lockdep_softirqs_off+0x420/0x420
[ 295.763098][ T4545] ? kobject_add+0x210/0x210
[ 295.767716][ T4545] ? __init_swait_queue_head+0xa5/0x150
[ 295.773302][ T4545] gfs2_sys_fs_add+0x234/0x480
[ 295.778093][ T4545] ? gfs2_recover_set+0x240/0x240
[ 295.783138][ T4545] ? snprintf+0xd7/0x120
[ 295.787409][ T4545] ? __free_pages+0x95/0x1a0
[ 295.792034][ T4545] ? vscnprintf+0x80/0x80
[ 295.796374][ T4545] gfs2_fill_super+0x128d/0x1f50
[ 295.801317][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.806518][ T4545] ? preempt_count_add+0x8d/0x190
[ 295.811551][ T4545] ? sb_set_blocksize+0xa5/0xe0
[ 295.816411][ T4545] get_tree_bdev+0x3f1/0x610
[ 295.821004][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.826028][ T4545] gfs2_get_tree+0x4d/0x1e0
[ 295.830547][ T4545] vfs_get_tree+0x88/0x270
[ 295.834991][ T4545] do_new_mount+0x24a/0xa40
[ 295.839503][ T4545] __se_sys_mount+0x2d6/0x3c0
[ 295.844184][ T4545] ? __x64_sys_mount+0xc0/0xc0
[ 295.848953][ T4545] ? lockdep_hardirqs_on+0x94/0x140
[ 295.854150][ T4545] ? __x64_sys_mount+0x1c/0xc0
[ 295.858915][ T4545] do_syscall_64+0x4c/0xa0
[ 295.863328][ T4545] ? clear_bhb_loop+0x30/0x80
[ 295.868000][ T4545] ? clear_bhb_loop+0x30/0x80
[ 295.872674][ T4545] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 295.878566][ T4545] RIP: 0033:0x7f348819d76a
[ 295.883006][ T4545] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 295.902627][ T4545] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.911040][ T4545] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 295.919012][ T4545] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 295.927068][ T4545] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 295.935037][ T4545] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 295.943019][ T4545] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 295.951098][ T4545]
[ 295.955682][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.969257][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 11:08:32 executed programs: 185
[ 296.326637][ T4547] loop1: detected capacity change from 0 to 32768
[ 296.404170][ T4547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 296.411603][ T4547] CPU: 0 PID: 4547 Comm: syz.1.200 Not tainted syzkaller #0
[ 296.418930][ T4547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 296.429014][ T4547] Call Trace:
[ 296.432326][ T4547]
[ 296.435297][ T4547] dump_stack_lvl+0x168/0x230
[ 296.440023][ T4547] ? show_regs_print_info+0x20/0x20
[ 296.445253][ T4547] ? load_image+0x3b0/0x3b0
[ 296.449805][ T4547] sysfs_create_dir_ns+0x252/0x280
[ 296.454961][ T4547] ? __lock_acquire+0x7c60/0x7c60
[ 296.460019][ T4547] ? sysfs_warn_dup+0xa0/0xa0
[ 296.464738][ T4547] ? do_raw_spin_unlock+0x11d/0x230
[ 296.470051][ T4547] kobject_add_internal+0x662/0xd00
[ 296.475303][ T4547] kobject_init_and_add+0x122/0x190
[ 296.480636][ T4547] ? lockdep_softirqs_off+0x420/0x420
[ 296.486044][ T4547] ? kobject_add+0x210/0x210
[ 296.490665][ T4547] ? __init_swait_queue_head+0xa5/0x150
[ 296.496249][ T4547] gfs2_sys_fs_add+0x234/0x480
[ 296.501043][ T4547] ? gfs2_recover_set+0x240/0x240
[ 296.506075][ T4547] ? snprintf+0xd7/0x120
[ 296.510349][ T4547] ? __free_pages+0x95/0x1a0
[ 296.514943][ T4547] ? vscnprintf+0x80/0x80
[ 296.519284][ T4547] gfs2_fill_super+0x128d/0x1f50
[ 296.524235][ T4547] ? gfs2_reconfigure+0xcd0/0xcd0
[ 296.529264][ T4547] ? preempt_count_add+0x8d/0x190
[ 296.534298][ T4547] ? sb_set_blocksize+0xa5/0xe0
[ 296.539179][ T4547] get_tree_bdev+0x3f1/0x610
[ 296.543772][ T4547] ? gfs2_reconfigure+0xcd0/0xcd0
[ 296.548795][ T4547] gfs2_get_tree+0x4d/0x1e0
[ 296.553308][ T4547] vfs_get_tree+0x88/0x270
[ 296.558018][ T4547] do_new_mount+0x24a/0xa40
[ 296.562616][ T4547] __se_sys_mount+0x2d6/0x3c0
[ 296.567306][ T4547] ? __x64_sys_mount+0xc0/0xc0
[ 296.572073][ T4547] ? lockdep_hardirqs_on+0x94/0x140
[ 296.577284][ T4547] ? __x64_sys_mount+0x1c/0xc0
[ 296.582057][ T4547] do_syscall_64+0x4c/0xa0
[ 296.586472][ T4547] ? clear_bhb_loop+0x30/0x80
[ 296.591150][ T4547] ? clear_bhb_loop+0x30/0x80
[ 296.595831][ T4547] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 296.601720][ T4547] RIP: 0033:0x7f348819d76a
[ 296.606131][ T4547] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 296.625733][ T4547] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 296.634146][ T4547] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 296.642115][ T4547] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 296.650081][ T4547] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 296.658049][ T4547] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 296.666018][ T4547] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 296.674021][ T4547]
[ 296.683045][ T4547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.696671][ T4547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.083376][ T4549] loop1: detected capacity change from 0 to 32768
[ 297.152546][ T4549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.159964][ T4549] CPU: 0 PID: 4549 Comm: syz.1.201 Not tainted syzkaller #0
[ 297.167291][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 297.177385][ T4549] Call Trace:
[ 297.180686][ T4549]
[ 297.183892][ T4549] dump_stack_lvl+0x168/0x230
[ 297.188601][ T4549] ? show_regs_print_info+0x20/0x20
[ 297.193820][ T4549] ? load_image+0x3b0/0x3b0
[ 297.198362][ T4549] sysfs_create_dir_ns+0x252/0x280
[ 297.203516][ T4549] ? __lock_acquire+0x7c60/0x7c60
[ 297.208570][ T4549] ? sysfs_warn_dup+0xa0/0xa0
[ 297.213274][ T4549] ? do_raw_spin_unlock+0x11d/0x230
[ 297.218494][ T4549] kobject_add_internal+0x662/0xd00
[ 297.223721][ T4549] kobject_init_and_add+0x122/0x190
[ 297.228947][ T4549] ? lockdep_softirqs_off+0x420/0x420
[ 297.234348][ T4549] ? kobject_add+0x210/0x210
[ 297.238968][ T4549] ? __init_swait_queue_head+0xa5/0x150
[ 297.244535][ T4549] gfs2_sys_fs_add+0x234/0x480
[ 297.249299][ T4549] ? gfs2_recover_set+0x240/0x240
[ 297.254318][ T4549] ? snprintf+0xd7/0x120
[ 297.258556][ T4549] ? __free_pages+0x95/0x1a0
[ 297.263149][ T4549] ? vscnprintf+0x80/0x80
[ 297.267485][ T4549] gfs2_fill_super+0x128d/0x1f50
[ 297.272437][ T4549] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.277471][ T4549] ? preempt_count_add+0x8d/0x190
[ 297.282507][ T4549] ? sb_set_blocksize+0xa5/0xe0
[ 297.287373][ T4549] get_tree_bdev+0x3f1/0x610
[ 297.291962][ T4549] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.296980][ T4549] gfs2_get_tree+0x4d/0x1e0
[ 297.301483][ T4549] vfs_get_tree+0x88/0x270
[ 297.305899][ T4549] do_new_mount+0x24a/0xa40
[ 297.310424][ T4549] __se_sys_mount+0x2d6/0x3c0
[ 297.315121][ T4549] ? __x64_sys_mount+0xc0/0xc0
[ 297.319905][ T4549] ? lockdep_hardirqs_on+0x94/0x140
[ 297.325116][ T4549] ? __x64_sys_mount+0x1c/0xc0
[ 297.329883][ T4549] do_syscall_64+0x4c/0xa0
[ 297.334298][ T4549] ? clear_bhb_loop+0x30/0x80
[ 297.338973][ T4549] ? clear_bhb_loop+0x30/0x80
[ 297.343651][ T4549] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 297.349552][ T4549] RIP: 0033:0x7f348819d76a
[ 297.353968][ T4549] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 297.373569][ T4549] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.381982][ T4549] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 297.389951][ T4549] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 297.397919][ T4549] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 297.405882][ T4549] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 297.413865][ T4549] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 297.421871][ T4549]
[ 297.430560][ T4549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.444027][ T4549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.800480][ T4550] loop1: detected capacity change from 0 to 32768
[ 297.852087][ T4550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.859756][ T4550] CPU: 1 PID: 4550 Comm: syz.1.202 Not tainted syzkaller #0
[ 297.867065][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 297.877146][ T4550] Call Trace:
[ 297.880444][ T4550]
[ 297.883395][ T4550] dump_stack_lvl+0x168/0x230
[ 297.888104][ T4550] ? show_regs_print_info+0x20/0x20
[ 297.893333][ T4550] ? load_image+0x3b0/0x3b0
[ 297.897888][ T4550] sysfs_create_dir_ns+0x252/0x280
[ 297.903024][ T4550] ? __lock_acquire+0x7c60/0x7c60
[ 297.908070][ T4550] ? sysfs_warn_dup+0xa0/0xa0
[ 297.912781][ T4550] ? do_raw_spin_unlock+0x11d/0x230
[ 297.918014][ T4550] kobject_add_internal+0x662/0xd00
[ 297.923251][ T4550] kobject_init_and_add+0x122/0x190
[ 297.928476][ T4550] ? lockdep_softirqs_off+0x420/0x420
[ 297.933880][ T4550] ? kobject_add+0x210/0x210
[ 297.938499][ T4550] ? __init_swait_queue_head+0xa5/0x150
[ 297.944080][ T4550] gfs2_sys_fs_add+0x234/0x480
[ 297.948870][ T4550] ? gfs2_recover_set+0x240/0x240
[ 297.953918][ T4550] ? snprintf+0xd7/0x120
[ 297.958200][ T4550] ? __free_pages+0x95/0x1a0
[ 297.962819][ T4550] ? vscnprintf+0x80/0x80
[ 297.967184][ T4550] gfs2_fill_super+0x128d/0x1f50
[ 297.972126][ T4550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.977147][ T4550] ? preempt_count_add+0x8d/0x190
[ 297.982198][ T4550] ? sb_set_blocksize+0xa5/0xe0
[ 297.987048][ T4550] get_tree_bdev+0x3f1/0x610
[ 297.991640][ T4550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.996665][ T4550] gfs2_get_tree+0x4d/0x1e0
[ 298.001169][ T4550] vfs_get_tree+0x88/0x270
[ 298.005677][ T4550] do_new_mount+0x24a/0xa40
[ 298.010196][ T4550] __se_sys_mount+0x2d6/0x3c0
[ 298.014882][ T4550] ? __x64_sys_mount+0xc0/0xc0
[ 298.019700][ T4550] ? lockdep_hardirqs_on+0x94/0x140
[ 298.024893][ T4550] ? __x64_sys_mount+0x1c/0xc0
[ 298.029661][ T4550] do_syscall_64+0x4c/0xa0
[ 298.034071][ T4550] ? clear_bhb_loop+0x30/0x80
[ 298.038742][ T4550] ? clear_bhb_loop+0x30/0x80
[ 298.043420][ T4550] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 298.049311][ T4550] RIP: 0033:0x7f348819d76a
[ 298.053743][ T4550] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 298.073387][ T4550] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.081808][ T4550] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 298.089786][ T4550] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 298.097763][ T4550] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 298.105733][ T4550] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 298.113729][ T4550] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 298.121735][ T4550]
[ 298.129236][ T4550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.142731][ T4550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.496774][ T4551] loop1: detected capacity change from 0 to 32768
[ 298.515135][ T4551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.522640][ T4551] CPU: 0 PID: 4551 Comm: syz.1.203 Not tainted syzkaller #0
[ 298.529954][ T4551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 298.540036][ T4551] Call Trace:
[ 298.543342][ T4551]
[ 298.546291][ T4551] dump_stack_lvl+0x168/0x230
[ 298.551003][ T4551] ? show_regs_print_info+0x20/0x20
[ 298.556227][ T4551] ? load_image+0x3b0/0x3b0
[ 298.560763][ T4551] sysfs_create_dir_ns+0x252/0x280
[ 298.565901][ T4551] ? __lock_acquire+0x7c60/0x7c60
[ 298.570958][ T4551] ? sysfs_warn_dup+0xa0/0xa0
[ 298.575667][ T4551] ? do_raw_spin_unlock+0x11d/0x230
[ 298.580895][ T4551] kobject_add_internal+0x662/0xd00
[ 298.586125][ T4551] kobject_init_and_add+0x122/0x190
[ 298.591347][ T4551] ? lockdep_softirqs_off+0x420/0x420
[ 298.596750][ T4551] ? kobject_add+0x210/0x210
[ 298.601367][ T4551] ? __init_swait_queue_head+0xa5/0x150
[ 298.607042][ T4551] gfs2_sys_fs_add+0x234/0x480
[ 298.611835][ T4551] ? gfs2_recover_set+0x240/0x240
[ 298.617062][ T4551] ? snprintf+0xd7/0x120
[ 298.621389][ T4551] ? __free_pages+0x95/0x1a0
[ 298.626071][ T4551] ? vscnprintf+0x80/0x80
[ 298.630439][ T4551] gfs2_fill_super+0x128d/0x1f50
[ 298.635513][ T4551] ? gfs2_reconfigure+0xcd0/0xcd0
[ 298.640554][ T4551] ? preempt_count_add+0x8d/0x190
[ 298.645609][ T4551] ? sb_set_blocksize+0xa5/0xe0
[ 298.650473][ T4551] get_tree_bdev+0x3f1/0x610
[ 298.655084][ T4551] ? gfs2_reconfigure+0xcd0/0xcd0
[ 298.660289][ T4551] gfs2_get_tree+0x4d/0x1e0
[ 298.664794][ T4551] vfs_get_tree+0x88/0x270
[ 298.669213][ T4551] do_new_mount+0x24a/0xa40
[ 298.673729][ T4551] __se_sys_mount+0x2d6/0x3c0
[ 298.678421][ T4551] ? __x64_sys_mount+0xc0/0xc0
[ 298.683208][ T4551] ? lockdep_hardirqs_on+0x94/0x140
[ 298.688436][ T4551] ? __x64_sys_mount+0x1c/0xc0
[ 298.693201][ T4551] do_syscall_64+0x4c/0xa0
[ 298.697619][ T4551] ? clear_bhb_loop+0x30/0x80
[ 298.702392][ T4551] ? clear_bhb_loop+0x30/0x80
[ 298.707696][ T4551] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 298.713586][ T4551] RIP: 0033:0x7f348819d76a
[ 298.718002][ T4551] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 298.737608][ T4551] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.746024][ T4551] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 298.753994][ T4551] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 298.761959][ T4551] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 298.769923][ T4551] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 298.777890][ T4551] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 298.785869][ T4551]
[ 298.790258][ T4551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.803452][ T4551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.183380][ T4552] loop1: detected capacity change from 0 to 32768
[ 299.249843][ T4552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 299.257412][ T4552] CPU: 0 PID: 4552 Comm: syz.1.204 Not tainted syzkaller #0
[ 299.264720][ T4552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 299.274802][ T4552] Call Trace:
[ 299.278101][ T4552]
[ 299.281055][ T4552] dump_stack_lvl+0x168/0x230
[ 299.285783][ T4552] ? show_regs_print_info+0x20/0x20
[ 299.291009][ T4552] ? load_image+0x3b0/0x3b0
[ 299.295551][ T4552] sysfs_create_dir_ns+0x252/0x280
[ 299.300686][ T4552] ? __lock_acquire+0x7c60/0x7c60
[ 299.305739][ T4552] ? sysfs_warn_dup+0xa0/0xa0
[ 299.310445][ T4552] ? do_raw_spin_unlock+0x11d/0x230
[ 299.315683][ T4552] kobject_add_internal+0x662/0xd00
[ 299.320916][ T4552] kobject_init_and_add+0x122/0x190
[ 299.326138][ T4552] ? lockdep_softirqs_off+0x420/0x420
[ 299.331540][ T4552] ? kobject_add+0x210/0x210
[ 299.336176][ T4552] ? __init_swait_queue_head+0xa5/0x150
[ 299.341747][ T4552] gfs2_sys_fs_add+0x234/0x480
[ 299.346541][ T4552] ? gfs2_recover_set+0x240/0x240
[ 299.351587][ T4552] ? snprintf+0xd7/0x120
[ 299.355858][ T4552] ? __free_pages+0x95/0x1a0
[ 299.360472][ T4552] ? vscnprintf+0x80/0x80
[ 299.364839][ T4552] gfs2_fill_super+0x128d/0x1f50
[ 299.369787][ T4552] ? gfs2_reconfigure+0xcd0/0xcd0
[ 299.374814][ T4552] ? preempt_count_add+0x8d/0x190
[ 299.379847][ T4552] ? sb_set_blocksize+0xa5/0xe0
[ 299.384700][ T4552] get_tree_bdev+0x3f1/0x610
[ 299.389290][ T4552] ? gfs2_reconfigure+0xcd0/0xcd0
[ 299.394317][ T4552] gfs2_get_tree+0x4d/0x1e0
[ 299.398822][ T4552] vfs_get_tree+0x88/0x270
[ 299.403242][ T4552] do_new_mount+0x24a/0xa40
[ 299.407766][ T4552] __se_sys_mount+0x2d6/0x3c0
[ 299.412459][ T4552] ? __x64_sys_mount+0xc0/0xc0
[ 299.417248][ T4552] ? lockdep_hardirqs_on+0x94/0x140
[ 299.422450][ T4552] ? __x64_sys_mount+0x1c/0xc0
[ 299.427256][ T4552] do_syscall_64+0x4c/0xa0
[ 299.431668][ T4552] ? clear_bhb_loop+0x30/0x80
[ 299.436339][ T4552] ? clear_bhb_loop+0x30/0x80
[ 299.441013][ T4552] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 299.446931][ T4552] RIP: 0033:0x7f348819d76a
[ 299.451346][ T4552] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 299.471131][ T4552] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.479555][ T4552] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 299.487532][ T4552] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 299.495527][ T4552] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 299.503510][ T4552] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 299.511937][ T4552] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 299.519930][ T4552]
[ 299.524454][ T4552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.537640][ T4552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.702627][ T27] INFO: task syz-executor:4307 blocked for more than 143 seconds.
[ 299.713239][ T27] Not tainted syzkaller #0
[ 299.718219][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 299.728273][ T27] task:syz-executor state:D stack:21984 pid: 4307 ppid: 1 flags:0x00004004
[ 299.738850][ T27] Call Trace:
[ 299.742163][ T27]
[ 299.746955][ T27] __schedule+0x11bb/0x4390
[ 299.751589][ T27] ? _raw_spin_lock_irqsave+0x7f/0xf0
[ 299.758172][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 299.765453][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 299.771383][ T27] ? _raw_spin_unlock+0x40/0x40
[ 299.777497][ T27] ? rcu_is_watching+0x11/0xa0
[ 299.786891][ T27] ? release_firmware_map_entry+0x190/0x190
[ 299.794014][ T27] schedule+0x11b/0x1e0
[ 299.798280][ T27] schedule_timeout+0x15c/0x280
[ 299.805012][ T27] ? console_conditional_schedule+0x40/0x40
[ 299.811018][ T27] ? update_process_times+0x200/0x200
[ 299.817691][ T27] ? prepare_to_wait_event+0x42c/0x460
[ 299.824509][ T27] gfs2_gl_hash_clear+0x1a4/0x2f0
[ 299.829575][ T27] ? thaw_glock+0x150/0x150
[ 299.835343][ T27] ? gfs2_jindex_free+0x39b/0x400
[ 299.840396][ T27] ? init_wait_entry+0xd0/0xd0
[ 299.846445][ T27] ? gfs2_setbit+0x5a0/0x5a0
[ 299.851080][ T27] gfs2_put_super+0x769/0x7d0
[ 299.857640][ T27] ? gfs2_evict_inode+0x11f0/0x11f0
[ 299.864068][ T27] generic_shutdown_super+0x130/0x300
[ 299.869563][ T27] kill_block_super+0x7c/0xe0
[ 299.875479][ T27] deactivate_locked_super+0x93/0xf0
[ 299.881009][ T27] cleanup_mnt+0x418/0x4d0
[ 299.886694][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 299.892020][ T27] task_work_run+0x125/0x1a0
[ 299.897833][ T27] exit_to_user_mode_loop+0x10f/0x130
[ 299.905186][ T27] exit_to_user_mode_prepare+0xee/0x180
[ 299.910785][ T27] syscall_exit_to_user_mode+0x16/0x40
[ 299.917631][ T27] do_syscall_64+0x58/0xa0
[ 299.922092][ T27] ? clear_bhb_loop+0x30/0x80
[ 299.928049][ T27] ? clear_bhb_loop+0x30/0x80
[ 299.933978][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 299.940107][ T27] RIP: 0033:0x7f4fbbe742f7
[ 299.945824][ T27] RSP: 002b:00007ffc84822318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 299.955506][ T27] RAX: 0000000000000000 RBX: 00007f4fbbef5d7d RCX: 00007f4fbbe742f7
[ 299.965442][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc848223d0
[ 299.974728][ T27] RBP: 00007ffc848223d0 R08: 0000000000000000 R09: 0000000000000000
[ 299.983970][ T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc84823460
[ 299.991996][ T27] R13: 00007f4fbbef5d7d R14: 0000000000024460 R15: 00007ffc848234a0
[ 300.001293][ T27]
[ 300.006348][ T27]
[ 300.006348][ T27] Showing all locks held in the system:
[ 300.015766][ T27] 1 lock held by khungtaskd/27:
[ 300.020643][ T27] #0: ffffffff8c11c760 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 300.025244][ T4553] loop1: detected capacity change from 0 to 32768
[ 300.031553][ T27] 2 locks held by getty/3950:
[ 300.049893][ T4553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 300.056829][ T27] #0: ffff88814cb03098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 300.057352][ T4553] CPU: 1 PID: 4553 Comm: syz.1.205 Not tainted syzkaller #0
[ 300.057375][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 300.078723][ T27] #1:
[ 300.084476][ T4553] Call Trace:
[ 300.084487][ T4553]
[ 300.084496][ T4553] dump_stack_lvl+0x168/0x230
[ 300.087277][ T27] ffffc900025e62e8
[ 300.090558][ T4553] ? show_regs_print_info+0x20/0x20
[ 300.090587][ T4553] ? load_image+0x3b0/0x3b0
[ 300.111625][ T4553] sysfs_create_dir_ns+0x252/0x280
[ 300.116106][ T27] (&ldata->atomic_read_lock){+.+.}-{3:3}
[ 300.116851][ T4553] ? __lock_acquire+0x7c60/0x7c60
[ 300.116885][ T4553] ? sysfs_warn_dup+0xa0/0xa0
[ 300.132321][ T4553] ? do_raw_spin_unlock+0x11d/0x230
[ 300.132329][ T27] , at: n_tty_read+0x5ba/0x1a30
[ 300.132361][ T27] 1 lock held by syz-executor/4307:
[ 300.137550][ T4553] kobject_add_internal+0x662/0xd00
[ 300.137584][ T4553] kobject_init_and_add+0x122/0x190
[ 300.144272][ T27] #0:
[ 300.147810][ T4553] ? lockdep_softirqs_off+0x420/0x420
[ 300.153114][ T27] ffff8880699840e0
[ 300.158320][ T4553] ? kobject_add+0x210/0x210
[ 300.161081][ T27] (&type->s_umount_key
[ 300.166515][ T4553] ? __init_swait_queue_head+0xa5/0x150
[ 300.166549][ T4553] gfs2_sys_fs_add+0x234/0x480
[ 300.166574][ T4553] ? gfs2_recover_set+0x240/0x240
[ 300.166595][ T4553] ? snprintf+0xd7/0x120
[ 300.166617][ T4553] ? __free_pages+0x95/0x1a0
[ 300.166641][ T4553] ? vscnprintf+0x80/0x80
[ 300.166675][ T4553] gfs2_fill_super+0x128d/0x1f50
[ 300.166712][ T4553] ? gfs2_reconfigure+0xcd0/0xcd0
[ 300.172939][ T27] #54
[ 300.175005][ T4553] ? preempt_count_add+0x8d/0x190
[ 300.179255][ T27] ){++++}-{3:3}
[ 300.184830][ T4553] ? sb_set_blocksize+0xa5/0xe0
[ 300.184862][ T4553] get_tree_bdev+0x3f1/0x610
[ 300.184890][ T4553] ? gfs2_reconfigure+0xcd0/0xcd0
[ 300.189715][ T27] , at: deactivate_super+0xa0/0xd0
[ 300.194658][ T4553] gfs2_get_tree+0x4d/0x1e0
[ 300.194688][ T4553] vfs_get_tree+0x88/0x270
[ 300.198917][ T27] 2 locks held by syz.1.205/4553:
[ 300.203499][ T4553] do_new_mount+0x24a/0xa40
[ 300.203530][ T4553] __se_sys_mount+0x2d6/0x3c0
[ 300.207972][ T27]
[ 300.212802][ T4553] ? __x64_sys_mount+0xc0/0xc0
[ 300.212845][ T4553] ? lockdep_hardirqs_on+0x94/0x140
[ 300.212865][ T4553] ? __x64_sys_mount+0x1c/0xc0
[ 300.212886][ T4553] do_syscall_64+0x4c/0xa0
[ 300.212903][ T4553] ? clear_bhb_loop+0x30/0x80
[ 300.212923][ T4553] ? clear_bhb_loop+0x30/0x80
[ 300.212949][ T4553] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 300.212987][ T4553] RIP: 0033:0x7f348819d76a
[ 300.213006][ T4553] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 300.213024][ T4553] RSP: 002b:00007ffc7322dd28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 300.213046][ T4553] RAX: ffffffffffffffda RBX: 00007ffc7322ddb0 RCX: 00007f348819d76a
[ 300.213062][ T4553] RDX: 0000200000000040 RSI: 0000200000014cc0 RDI: 00007ffc7322dd70
[ 300.213077][ T4553] RBP: 0000200000000040 R08: 00007ffc7322ddb0 R09: 0000000000000c19
[ 300.213092][ T4553] R10: 0000000000000c19 R11: 0000000000000246 R12: 0000200000014cc0
[ 300.213106][ T4553] R13: 00007ffc7322dd70 R14: 00000000000126f3 R15: 0000200000000100
[ 300.213137][ T4553]
[ 300.226108][ T4553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 300.252580][ T27] =============================================
[ 300.252580][ T27]
[ 300.257169][ T4553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 300.259021][ T27] NMI backtrace for cpu 0
[ 300.416925][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 300.424146][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 300.434224][ T27] Call Trace:
[ 300.437517][ T27]
[ 300.440469][ T27] dump_stack_lvl+0x168/0x230
[ 300.445183][ T27] ? show_regs_print_info+0x20/0x20
[ 300.450423][ T27] ? load_image+0x3b0/0x3b0
[ 300.454955][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 300.460108][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 300.465071][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 300.471244][ T27] ? _printk+0xcc/0x110
[ 300.475413][ T27] ? load_image+0x3b0/0x3b0
[ 300.479939][ T27] ? load_image+0x3b0/0x3b0
[ 300.484469][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 300.490560][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 300.496566][ T27] watchdog+0xe0f/0xe50
[ 300.500757][ T27] kthread+0x436/0x520
[ 300.504847][ T27] ? hungtask_pm_notify+0x40/0x40
[ 300.509894][ T27] ? kthread_blkcg+0xd0/0xd0
[ 300.514505][ T27] ret_from_fork+0x1f/0x30
[ 300.518963][ T27]
[ 300.522526][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 300.527759][ C1] NMI backtrace for cpu 1
[ 300.527770][ C1] CPU: 1 PID: 4554 Comm: syz.1.206 Not tainted syzkaller #0
[ 300.527788][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 300.527798][ C1] RIP: 0010:unwind_next_frame+0x122/0x1d90
[ 300.527824][ C1] Code: f7 e8 92 ba 87 00 41 f6 06 03 0f 85 36 14 00 00 4c 8d 73 35 4c 89 f0 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 48 89 44 24 68 <42> 0f b6 04 28 84 c0 0f 85 3f 16 00 00 4c 89 74 24 70 45 0f b6 36
[ 300.527839][ C1] RSP: 0018:ffffc9000385eee8 EFLAGS: 00000a03
[ 300.527855][ C1] RAX: 1ffff9200070bdfb RBX: ffffc9000385efa8 RCX: ffffffff960c4f00
[ 300.527869][ C1] RDX: dffffc0000000000 RSI: ffffffff89a9366c RDI: ffffffff8134794c
[ 300.527882][ C1] RBP: ffffc9000385eff0 R08: ffffc9000385f070 R09: 000000000000000b
[ 300.527895][ C1] R10: fffff5200070be01 R11: 1ffff9200070bdff R12: ffffffff89a9366c
[ 300.527909][ C1] R13: dffffc0000000000 R14: ffffc9000385efdd R15: ffffc9000385eff8
[ 300.527923][ C1] FS: 0000555584187500(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 300.527940][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 300.527953][ C1] CR2: 00007f348040b000 CR3: 0000000027d68000 CR4: 00000000003506e0
[ 300.527968][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 300.527979][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 300.527990][ C1] Call Trace:
[ 300.527995][ C1]
[ 300.528005][ C1] ? do_syscall_64+0x4c/0xa0
[ 300.528026][ C1] ? stack_trace_save+0xe0/0xe0
[ 300.528043][ C1] arch_stack_walk+0x10c/0x140
[ 300.528064][ C1] ? do_syscall_64+0x4c/0xa0
[ 300.528082][ C1] stack_trace_save+0x98/0xe0
[ 300.528098][ C1] ? stack_trace_snprint+0xf0/0xf0
[ 300.528113][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 300.528143][ C1] ? lock_chain_count+0x20/0x20
[ 300.528163][ C1] save_stack+0xf3/0x1e0
[ 300.528184][ C1] ? __reset_page_owner+0x180/0x180
[ 300.528202][ C1] ? get_page_from_freelist+0x1b77/0x1c60
[ 300.528222][ C1] ? __alloc_pages+0x1e1/0x470
[ 300.528239][ C1] ? alloc_pages_vma+0x393/0x7c0
[ 300.528257][ C1] ? shmem_alloc_and_acct_page+0x427/0xb70
[ 300.528276][ C1] ? shmem_getpage_gfp+0x14f4/0x2d40
[ 300.528294][ C1] ? shmem_write_begin+0xcd/0x1a0
[ 300.528310][ C1] ? generic_perform_write+0x2aa/0x530
[ 300.528327][ C1] ? __generic_file_write_iter+0x25f/0x4e0
[ 300.528342][ C1] ? generic_file_write_iter+0xa6/0x1b0
[ 300.528358][ C1] ? vfs_write+0x712/0xd00
[ 300.528373][ C1] ? ksys_write+0x14d/0x250
[ 300.528388][ C1] ? do_syscall_64+0x4c/0xa0
[ 300.528406][ C1] ? lock_chain_count+0x20/0x20
[ 300.528426][ C1] ? preempt_count_add+0x8d/0x190
[ 300.528445][ C1] __set_page_owner+0x41/0x2d0
[ 300.528462][ C1] ? post_alloc_hook+0x106/0x220
[ 300.528482][ C1] get_page_from_freelist+0x1b77/0x1c60
[ 300.528510][ C1] ? __might_sleep+0xf0/0xf0
[ 300.528526][ C1] ? mark_lock+0x94/0x320
[ 300.528548][ C1] ? __alloc_pages+0x470/0x470
[ 300.528567][ C1] ? prepare_alloc_pages+0x368/0x5f0
[ 300.528589][ C1] __alloc_pages+0x1e1/0x470
[ 300.528609][ C1] ? zone_statistics+0x170/0x170
[ 300.528636][ C1] alloc_pages_vma+0x393/0x7c0
[ 300.528655][ C1] ? mpol_shared_policy_lookup+0x147/0x1e0
[ 300.528675][ C1] shmem_alloc_and_acct_page+0x427/0xb70
[ 300.528698][ C1] ? shmem_swapin_page+0x2140/0x2140
[ 300.528726][ C1] ? __lock_acquire+0x7c60/0x7c60
[ 300.528745][ C1] ? xas_descend+0x210/0x3b0
[ 300.528763][ C1] ? xas_load+0x127/0x140
[ 300.528781][ C1] ? pagecache_get_page+0xbff/0xef0
[ 300.528800][ C1] ? page_cache_prev_miss+0x360/0x360
[ 300.528818][ C1] ? _raw_spin_lock_irq+0xab/0xe0
[ 300.528835][ C1] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 300.528852][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 300.528868][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 300.528887][ C1] shmem_getpage_gfp+0x14f4/0x2d40
[ 300.528922][ C1] shmem_write_begin+0xcd/0x1a0
[ 300.528942][ C1] generic_perform_write+0x2aa/0x530
[ 300.528967][ C1] ? grab_cache_page_write_begin+0xa0/0xa0
[ 300.528985][ C1] ? file_remove_privs+0x590/0x590
[ 300.529004][ C1] ? read_lock_is_recursive+0x10/0x10
[ 300.529023][ C1] ? preempt_count_add+0x8d/0x190
[ 300.529040][ C1] ? rwsem_write_trylock+0x12f/0x1b0
[ 300.529059][ C1] ? clear_nonspinnable+0x60/0x60
[ 300.529079][ C1] __generic_file_write_iter+0x25f/0x4e0
[ 300.529099][ C1] generic_file_write_iter+0xa6/0x1b0
[ 300.529137][ C1] vfs_write+0x712/0xd00
[ 300.529156][ C1] ? file_end_write+0x250/0x250
[ 300.529174][ C1] ? __context_tracking_exit+0x4c/0x80
[ 300.529198][ C1] ? __fdget_pos+0x1e2/0x370
[ 300.529215][ C1] ksys_write+0x14d/0x250
[ 300.529232][ C1] ? __ia32_sys_read+0x80/0x80
[ 300.529250][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 300.529270][ C1] do_syscall_64+0x4c/0xa0
[ 300.529285][ C1] ? clear_bhb_loop+0x30/0x80
[ 300.529302][ C1] ? clear_bhb_loop+0x30/0x80
[ 300.529320][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 300.529344][ C1] RIP: 0033:0x7f348819aa7f
[ 300.529359][ C1] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48
[ 300.529375][ C1] RSP: 002b:00007ffc7322dcb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 300.529392][ C1] RAX: ffffffffffffffda RBX: 0000000001000000 RCX: 00007f348819aa7f
[ 300.529404][ C1] RDX: 0000000001000000 RSI: 00007f347f40c000 RDI: 0000000000000003
[ 300.529415][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000126ed
[ 300.529426][ C1] R10: 00002000000002c2 R11: 0000000000000293 R12: 0000000000000003
[ 300.529437][ C1] R13: 00007ffc7322ddb0 R14: 00007ffc7322dd70 R15: 00007f347f40c000
[ 300.529458][ C1]
[ 300.829285][ T4554] loop1: detected capacity change from 0 to 32768
[ 300.832788][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 301.117544][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 301.124777][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 301.134852][ T27] Call Trace:
[ 301.138127][ T27]
[ 301.141049][ T27] dump_stack_lvl+0x168/0x230
[ 301.145739][ T27] ? show_regs_print_info+0x20/0x20
[ 301.150940][ T27] ? load_image+0x3b0/0x3b0
[ 301.155445][ T27] panic+0x2c9/0x7f0
[ 301.159358][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 301.165000][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 301.169514][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 301.175680][ T27] watchdog+0xe4e/0xe50
[ 301.179847][ T27] kthread+0x436/0x520
[ 301.183920][ T27] ? hungtask_pm_notify+0x40/0x40
[ 301.188963][ T27] ? kthread_blkcg+0xd0/0xd0
[ 301.193548][ T27] ret_from_fork+0x1f/0x30
[ 301.197972][ T27]
[ 301.201328][ T27] Kernel Offset: disabled
[ 301.205673][ T27] Rebooting in 86400 seconds..