x190
[ 253.301630][ T4544] ? lockdep_softirqs_off+0x420/0x420
[ 253.307222][ T4544] ? kobject_add+0x210/0x210
[ 253.312078][ T4544] ? __init_swait_queue_head+0xa5/0x150
[ 253.317757][ T4544] gfs2_sys_fs_add+0x234/0x480
[ 253.323204][ T4544] ? gfs2_recover_set+0x240/0x240
[ 253.328559][ T4544] ? snprintf+0xd7/0x120
[ 253.333151][ T4544] ? __free_pages+0x95/0x1a0
[ 253.337879][ T4544] ? vscnprintf+0x80/0x80
[ 253.342488][ T4544] gfs2_fill_super+0x128d/0x1f50
[ 253.347562][ T4544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.352693][ T4544] ? preempt_count_add+0x8d/0x190
[ 253.357860][ T4544] ? sb_set_blocksize+0xa5/0xe0
[ 253.363235][ T4544] get_tree_bdev+0x3f1/0x610
[ 253.368145][ T4544] ? gfs2_reconfigure+0xcd0/0xcd0
[ 253.373306][ T4544] gfs2_get_tree+0x4d/0x1e0
[ 253.377859][ T4544] vfs_get_tree+0x88/0x270
[ 253.382822][ T4544] do_new_mount+0x24a/0xa40
[ 253.387448][ T4544] __se_sys_mount+0x2d6/0x3c0
[ 253.392355][ T4544] ? __x64_sys_mount+0xc0/0xc0
[ 253.397417][ T4544] ? lockdep_hardirqs_on+0x94/0x140
[ 253.402806][ T4544] ? __x64_sys_mount+0x1c/0xc0
[ 253.407661][ T4544] do_syscall_64+0x4c/0xa0
[ 253.412181][ T4544] ? clear_bhb_loop+0x30/0x80
[ 253.416942][ T4544] ? clear_bhb_loop+0x30/0x80
[ 253.421810][ T4544] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 253.427709][ T4544] RIP: 0033:0x7f46f801038a
[ 253.432275][ 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
[ 253.452813][ T4544] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.462339][ T4544] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 253.470540][ T4544] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 253.478858][ T4544] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 253.487187][ T4544] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 253.495714][ T4544] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 253.503984][ T4544]
[ 253.508435][ T4544] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.522225][ T4544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.879242][ T4545] loop1: detected capacity change from 0 to 32768
[ 253.933055][ T4545] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.945875][ T4545] CPU: 1 PID: 4545 Comm: syz.1.161 Not tainted 5.15.189-syzkaller #0
[ 253.954231][ T4545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 253.964751][ T4545] Call Trace:
[ 253.968063][ T4545]
[ 253.971023][ T4545] dump_stack_lvl+0x168/0x230
[ 253.975832][ T4545] ? show_regs_print_info+0x20/0x20
[ 253.981075][ T4545] ? load_image+0x3b0/0x3b0
[ 253.985754][ T4545] sysfs_create_dir_ns+0x252/0x280
[ 253.990917][ T4545] ? __lock_acquire+0x7c60/0x7c60
[ 253.996073][ T4545] ? sysfs_warn_dup+0xa0/0xa0
[ 254.001264][ T4545] ? do_raw_spin_unlock+0x11d/0x230
[ 254.006604][ T4545] kobject_add_internal+0x662/0xd00
[ 254.012140][ T4545] kobject_init_and_add+0x122/0x190
[ 254.017751][ T4545] ? lockdep_softirqs_off+0x420/0x420
[ 254.023173][ T4545] ? kobject_add+0x210/0x210
[ 254.027899][ T4545] ? __init_swait_queue_head+0xa5/0x150
[ 254.033561][ T4545] gfs2_sys_fs_add+0x234/0x480
[ 254.038448][ T4545] ? gfs2_recover_set+0x240/0x240
[ 254.043465][ T4545] ? snprintf+0xd7/0x120
[ 254.047720][ T4545] ? __free_pages+0x95/0x1a0
[ 254.052620][ T4545] ? vscnprintf+0x80/0x80
[ 254.057120][ T4545] gfs2_fill_super+0x128d/0x1f50
[ 254.062672][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.067794][ T4545] ? preempt_count_add+0x8d/0x190
[ 254.073178][ T4545] ? sb_set_blocksize+0xa5/0xe0
[ 254.078045][ T4545] get_tree_bdev+0x3f1/0x610
[ 254.082738][ T4545] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.087987][ T4545] gfs2_get_tree+0x4d/0x1e0
[ 254.092863][ T4545] vfs_get_tree+0x88/0x270
[ 254.097896][ T4545] do_new_mount+0x24a/0xa40
[ 254.102926][ T4545] __se_sys_mount+0x2d6/0x3c0
[ 254.107838][ T4545] ? __x64_sys_mount+0xc0/0xc0
[ 254.112902][ T4545] ? lockdep_hardirqs_on+0x94/0x140
[ 254.118212][ T4545] ? __x64_sys_mount+0x1c/0xc0
[ 254.123078][ T4545] do_syscall_64+0x4c/0xa0
[ 254.127518][ T4545] ? clear_bhb_loop+0x30/0x80
[ 254.132453][ T4545] ? clear_bhb_loop+0x30/0x80
[ 254.137130][ T4545] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.143406][ T4545] RIP: 0033:0x7f46f801038a
[ 254.147994][ 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
[ 254.168174][ T4545] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.176899][ T4545] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 254.185179][ T4545] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 254.193258][ T4545] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 254.201968][ T4545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.210168][ T4545] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.218348][ T4545]
[ 254.222455][ T4545] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.237366][ T4545] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.588152][ T4546] loop1: detected capacity change from 0 to 32768
[ 254.638176][ T4546] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.650260][ T4546] CPU: 0 PID: 4546 Comm: syz.1.162 Not tainted 5.15.189-syzkaller #0
[ 254.658643][ T4546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 254.669675][ T4546] Call Trace:
[ 254.673163][ T4546]
[ 254.676446][ T4546] dump_stack_lvl+0x168/0x230
[ 254.681266][ T4546] ? show_regs_print_info+0x20/0x20
[ 254.686995][ T4546] ? load_image+0x3b0/0x3b0
[ 254.692166][ T4546] sysfs_create_dir_ns+0x252/0x280
[ 254.697404][ T4546] ? __lock_acquire+0x7c60/0x7c60
[ 254.703160][ T4546] ? sysfs_warn_dup+0xa0/0xa0
[ 254.708146][ T4546] ? do_raw_spin_unlock+0x11d/0x230
[ 254.713560][ T4546] kobject_add_internal+0x662/0xd00
[ 254.718871][ T4546] kobject_init_and_add+0x122/0x190
[ 254.724641][ T4546] ? lockdep_softirqs_off+0x420/0x420
[ 254.730379][ T4546] ? kobject_add+0x210/0x210
[ 254.735198][ T4546] ? __init_swait_queue_head+0xa5/0x150
[ 254.741020][ T4546] gfs2_sys_fs_add+0x234/0x480
[ 254.745820][ T4546] ? gfs2_recover_set+0x240/0x240
[ 254.750837][ T4546] ? snprintf+0xd7/0x120
[ 254.755127][ T4546] ? __free_pages+0x95/0x1a0
[ 254.759709][ T4546] ? vscnprintf+0x80/0x80
[ 254.764044][ T4546] gfs2_fill_super+0x128d/0x1f50
[ 254.768988][ T4546] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.774386][ T4546] ? preempt_count_add+0x8d/0x190
[ 254.779615][ T4546] ? sb_set_blocksize+0xa5/0xe0
[ 254.784515][ T4546] get_tree_bdev+0x3f1/0x610
[ 254.790034][ T4546] ? gfs2_reconfigure+0xcd0/0xcd0
[ 254.795116][ T4546] gfs2_get_tree+0x4d/0x1e0
[ 254.799871][ T4546] vfs_get_tree+0x88/0x270
[ 254.805188][ T4546] do_new_mount+0x24a/0xa40
[ 254.810362][ T4546] __se_sys_mount+0x2d6/0x3c0
[ 254.815135][ T4546] ? __x64_sys_mount+0xc0/0xc0
[ 254.820315][ T4546] ? lockdep_hardirqs_on+0x94/0x140
[ 254.825622][ T4546] ? __x64_sys_mount+0x1c/0xc0
[ 254.830422][ T4546] do_syscall_64+0x4c/0xa0
[ 254.834988][ T4546] ? clear_bhb_loop+0x30/0x80
[ 254.840269][ T4546] ? clear_bhb_loop+0x30/0x80
[ 254.845175][ T4546] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 254.851367][ T4546] RIP: 0033:0x7f46f801038a
[ 254.856218][ T4546] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 254.876985][ T4546] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.885399][ T4546] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 254.893663][ T4546] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 254.901735][ T4546] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 254.910279][ T4546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 254.918884][ T4546] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 254.927287][ T4546]
[ 254.932704][ T4546] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.947123][ T4546] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.314139][ T4547] loop1: detected capacity change from 0 to 32768
[ 255.367262][ T4547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.374879][ T4547] CPU: 1 PID: 4547 Comm: syz.1.163 Not tainted 5.15.189-syzkaller #0
[ 255.383126][ T4547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 255.393565][ T4547] Call Trace:
[ 255.397303][ T4547]
[ 255.400432][ T4547] dump_stack_lvl+0x168/0x230
[ 255.405144][ T4547] ? show_regs_print_info+0x20/0x20
[ 255.410522][ T4547] ? load_image+0x3b0/0x3b0
[ 255.415169][ T4547] sysfs_create_dir_ns+0x252/0x280
[ 255.420411][ T4547] ? __lock_acquire+0x7c60/0x7c60
[ 255.425864][ T4547] ? sysfs_warn_dup+0xa0/0xa0
[ 255.431300][ T4547] ? do_raw_spin_unlock+0x11d/0x230
[ 255.436729][ T4547] kobject_add_internal+0x662/0xd00
[ 255.442062][ T4547] kobject_init_and_add+0x122/0x190
[ 255.447712][ T4547] ? lockdep_softirqs_off+0x420/0x420
[ 255.453218][ T4547] ? kobject_add+0x210/0x210
[ 255.458396][ T4547] ? __init_swait_queue_head+0xa5/0x150
[ 255.464067][ T4547] gfs2_sys_fs_add+0x234/0x480
[ 255.469300][ T4547] ? gfs2_recover_set+0x240/0x240
[ 255.474459][ T4547] ? snprintf+0xd7/0x120
[ 255.478902][ T4547] ? __free_pages+0x95/0x1a0
[ 255.484294][ T4547] ? vscnprintf+0x80/0x80
[ 255.489065][ T4547] gfs2_fill_super+0x128d/0x1f50
[ 255.494538][ T4547] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.499999][ T4547] ? preempt_count_add+0x8d/0x190
[ 255.505444][ T4547] ? sb_set_blocksize+0xa5/0xe0
[ 255.510495][ T4547] get_tree_bdev+0x3f1/0x610
[ 255.515434][ T4547] ? gfs2_reconfigure+0xcd0/0xcd0
[ 255.520594][ T4547] gfs2_get_tree+0x4d/0x1e0
[ 255.525314][ T4547] vfs_get_tree+0x88/0x270
[ 255.529728][ T4547] do_new_mount+0x24a/0xa40
[ 255.534240][ T4547] __se_sys_mount+0x2d6/0x3c0
[ 255.539202][ T4547] ? __x64_sys_mount+0xc0/0xc0
[ 255.544227][ T4547] ? lockdep_hardirqs_on+0x94/0x140
[ 255.549595][ T4547] ? __x64_sys_mount+0x1c/0xc0
[ 255.554599][ T4547] do_syscall_64+0x4c/0xa0
[ 255.559055][ T4547] ? clear_bhb_loop+0x30/0x80
[ 255.564011][ T4547] ? clear_bhb_loop+0x30/0x80
[ 255.568991][ T4547] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 255.575509][ T4547] RIP: 0033:0x7f46f801038a
[ 255.580112][ 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
[ 255.601433][ T4547] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.610841][ T4547] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 255.619144][ T4547] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 255.628168][ T4547] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 255.636582][ T4547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 255.644729][ T4547] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 255.653155][ T4547]
[ 255.658176][ T4547] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.672808][ T4547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.798916][ T1421] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.805553][ T1421] ieee802154 phy1 wpan1: encryption failed: -22
[ 256.077104][ T4548] loop1: detected capacity change from 0 to 32768
[ 256.147492][ T4548] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.155007][ T4548] CPU: 0 PID: 4548 Comm: syz.1.164 Not tainted 5.15.189-syzkaller #0
[ 256.163763][ T4548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 256.176680][ T4548] Call Trace:
[ 256.179991][ T4548]
[ 256.182946][ T4548] dump_stack_lvl+0x168/0x230
[ 256.187773][ T4548] ? show_regs_print_info+0x20/0x20
[ 256.193135][ T4548] ? load_image+0x3b0/0x3b0
[ 256.197945][ T4548] sysfs_create_dir_ns+0x252/0x280
[ 256.203520][ T4548] ? __lock_acquire+0x7c60/0x7c60
[ 256.208727][ T4548] ? sysfs_warn_dup+0xa0/0xa0
[ 256.213539][ T4548] ? do_raw_spin_unlock+0x11d/0x230
[ 256.218777][ T4548] kobject_add_internal+0x662/0xd00
[ 256.224037][ T4548] kobject_init_and_add+0x122/0x190
[ 256.229263][ T4548] ? lockdep_softirqs_off+0x420/0x420
[ 256.234856][ T4548] ? kobject_add+0x210/0x210
[ 256.240003][ T4548] ? __init_swait_queue_head+0xa5/0x150
[ 256.245595][ T4548] gfs2_sys_fs_add+0x234/0x480
[ 256.250781][ T4548] ? gfs2_recover_set+0x240/0x240
[ 256.255816][ T4548] ? snprintf+0xd7/0x120
[ 256.260151][ T4548] ? __free_pages+0x95/0x1a0
[ 256.264758][ T4548] ? vscnprintf+0x80/0x80
[ 256.269246][ T4548] gfs2_fill_super+0x128d/0x1f50
[ 256.274317][ T4548] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.279546][ T4548] ? preempt_count_add+0x8d/0x190
[ 256.285008][ T4548] ? sb_set_blocksize+0xa5/0xe0
[ 256.289960][ T4548] get_tree_bdev+0x3f1/0x610
[ 256.294755][ T4548] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.300667][ T4548] gfs2_get_tree+0x4d/0x1e0
[ 256.305179][ T4548] vfs_get_tree+0x88/0x270
[ 256.309779][ T4548] do_new_mount+0x24a/0xa40
[ 256.314406][ T4548] __se_sys_mount+0x2d6/0x3c0
[ 256.319542][ T4548] ? __x64_sys_mount+0xc0/0xc0
[ 256.324306][ T4548] ? lockdep_hardirqs_on+0x94/0x140
[ 256.329497][ T4548] ? __x64_sys_mount+0x1c/0xc0
[ 256.334274][ T4548] do_syscall_64+0x4c/0xa0
[ 256.338700][ T4548] ? clear_bhb_loop+0x30/0x80
[ 256.343471][ T4548] ? clear_bhb_loop+0x30/0x80
[ 256.348147][ T4548] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 256.354312][ T4548] RIP: 0033:0x7f46f801038a
[ 256.358743][ T4548] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 256.379683][ T4548] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.388394][ T4548] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 256.396787][ T4548] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 256.405162][ T4548] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 256.413312][ T4548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 256.421366][ T4548] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 256.429523][ T4548]
[ 256.434875][ T4548] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.448770][ T4548] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 08:36:41 executed programs: 150
[ 256.820464][ T4549] loop1: detected capacity change from 0 to 32768
[ 256.832354][ T4549] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.840593][ T4549] CPU: 0 PID: 4549 Comm: syz.1.165 Not tainted 5.15.189-syzkaller #0
[ 256.849043][ T4549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 256.859312][ T4549] Call Trace:
[ 256.862723][ T4549]
[ 256.865678][ T4549] dump_stack_lvl+0x168/0x230
[ 256.870495][ T4549] ? show_regs_print_info+0x20/0x20
[ 256.875829][ T4549] ? load_image+0x3b0/0x3b0
[ 256.880489][ T4549] sysfs_create_dir_ns+0x252/0x280
[ 256.885718][ T4549] ? __lock_acquire+0x7c60/0x7c60
[ 256.890777][ T4549] ? sysfs_warn_dup+0xa0/0xa0
[ 256.896343][ T4549] ? do_raw_spin_unlock+0x11d/0x230
[ 256.902071][ T4549] kobject_add_internal+0x662/0xd00
[ 256.907394][ T4549] kobject_init_and_add+0x122/0x190
[ 256.912998][ T4549] ? lockdep_softirqs_off+0x420/0x420
[ 256.918698][ T4549] ? kobject_add+0x210/0x210
[ 256.923485][ T4549] ? __init_swait_queue_head+0xa5/0x150
[ 256.929157][ T4549] gfs2_sys_fs_add+0x234/0x480
[ 256.934125][ T4549] ? gfs2_recover_set+0x240/0x240
[ 256.939299][ T4549] ? snprintf+0xd7/0x120
[ 256.943645][ T4549] ? __free_pages+0x95/0x1a0
[ 256.948898][ T4549] ? vscnprintf+0x80/0x80
[ 256.953335][ T4549] gfs2_fill_super+0x128d/0x1f50
[ 256.958586][ T4549] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.963646][ T4549] ? preempt_count_add+0x8d/0x190
[ 256.968974][ T4549] ? sb_set_blocksize+0xa5/0xe0
[ 256.973964][ T4549] get_tree_bdev+0x3f1/0x610
[ 256.978588][ T4549] ? gfs2_reconfigure+0xcd0/0xcd0
[ 256.983880][ T4549] gfs2_get_tree+0x4d/0x1e0
[ 256.988531][ T4549] vfs_get_tree+0x88/0x270
[ 256.993449][ T4549] do_new_mount+0x24a/0xa40
[ 256.997960][ T4549] __se_sys_mount+0x2d6/0x3c0
[ 257.002636][ T4549] ? __x64_sys_mount+0xc0/0xc0
[ 257.007399][ T4549] ? lockdep_hardirqs_on+0x94/0x140
[ 257.012765][ T4549] ? __x64_sys_mount+0x1c/0xc0
[ 257.017753][ T4549] do_syscall_64+0x4c/0xa0
[ 257.022408][ T4549] ? clear_bhb_loop+0x30/0x80
[ 257.027098][ T4549] ? clear_bhb_loop+0x30/0x80
[ 257.031885][ T4549] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.037793][ T4549] RIP: 0033:0x7f46f801038a
[ 257.042296][ 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
[ 257.062488][ T4549] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.070913][ T4549] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 257.079182][ T4549] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 257.087665][ T4549] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 257.096039][ T4549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.104304][ T4549] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.112407][ T4549]
[ 257.118014][ T4549] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.131765][ T4549] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.492413][ T4550] loop1: detected capacity change from 0 to 32768
[ 257.514249][ T4550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.522330][ T4550] CPU: 0 PID: 4550 Comm: syz.1.166 Not tainted 5.15.189-syzkaller #0
[ 257.530693][ T4550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 257.541690][ T4550] Call Trace:
[ 257.545255][ T4550]
[ 257.548318][ T4550] dump_stack_lvl+0x168/0x230
[ 257.553238][ T4550] ? show_regs_print_info+0x20/0x20
[ 257.558561][ T4550] ? load_image+0x3b0/0x3b0
[ 257.563313][ T4550] sysfs_create_dir_ns+0x252/0x280
[ 257.568857][ T4550] ? __lock_acquire+0x7c60/0x7c60
[ 257.574102][ T4550] ? sysfs_warn_dup+0xa0/0xa0
[ 257.579129][ T4550] ? do_raw_spin_unlock+0x11d/0x230
[ 257.584384][ T4550] kobject_add_internal+0x662/0xd00
[ 257.590002][ T4550] kobject_init_and_add+0x122/0x190
[ 257.595434][ T4550] ? lockdep_softirqs_off+0x420/0x420
[ 257.600971][ T4550] ? kobject_add+0x210/0x210
[ 257.605896][ T4550] ? __init_swait_queue_head+0xa5/0x150
[ 257.611565][ T4550] gfs2_sys_fs_add+0x234/0x480
[ 257.616431][ T4550] ? gfs2_recover_set+0x240/0x240
[ 257.621810][ T4550] ? snprintf+0xd7/0x120
[ 257.626391][ T4550] ? __free_pages+0x95/0x1a0
[ 257.631265][ T4550] ? vscnprintf+0x80/0x80
[ 257.635759][ T4550] gfs2_fill_super+0x128d/0x1f50
[ 257.641247][ T4550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.646369][ T4550] ? preempt_count_add+0x8d/0x190
[ 257.651536][ T4550] ? sb_set_blocksize+0xa5/0xe0
[ 257.656407][ T4550] get_tree_bdev+0x3f1/0x610
[ 257.661198][ T4550] ? gfs2_reconfigure+0xcd0/0xcd0
[ 257.666633][ T4550] gfs2_get_tree+0x4d/0x1e0
[ 257.671519][ T4550] vfs_get_tree+0x88/0x270
[ 257.676065][ T4550] do_new_mount+0x24a/0xa40
[ 257.680929][ T4550] __se_sys_mount+0x2d6/0x3c0
[ 257.685812][ T4550] ? __x64_sys_mount+0xc0/0xc0
[ 257.691233][ T4550] ? lockdep_hardirqs_on+0x94/0x140
[ 257.696871][ T4550] ? __x64_sys_mount+0x1c/0xc0
[ 257.701835][ T4550] do_syscall_64+0x4c/0xa0
[ 257.706270][ T4550] ? clear_bhb_loop+0x30/0x80
[ 257.711131][ T4550] ? clear_bhb_loop+0x30/0x80
[ 257.715809][ T4550] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 257.721786][ T4550] RIP: 0033:0x7f46f801038a
[ 257.726225][ 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
[ 257.747579][ T4550] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.756684][ T4550] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 257.764769][ T4550] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 257.773121][ T4550] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 257.781521][ T4550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 257.790204][ T4550] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 257.798558][ T4550]
[ 257.810047][ T4550] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.824026][ T4550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.174940][ T4551] loop1: detected capacity change from 0 to 32768
[ 258.222679][ T4551] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.232983][ T4551] CPU: 1 PID: 4551 Comm: syz.1.167 Not tainted 5.15.189-syzkaller #0
[ 258.241308][ T4551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 258.251597][ T4551] Call Trace:
[ 258.254940][ T4551]
[ 258.258000][ T4551] dump_stack_lvl+0x168/0x230
[ 258.262891][ T4551] ? show_regs_print_info+0x20/0x20
[ 258.268273][ T4551] ? load_image+0x3b0/0x3b0
[ 258.273006][ T4551] sysfs_create_dir_ns+0x252/0x280
[ 258.278330][ T4551] ? __lock_acquire+0x7c60/0x7c60
[ 258.283740][ T4551] ? sysfs_warn_dup+0xa0/0xa0
[ 258.288826][ T4551] ? do_raw_spin_unlock+0x11d/0x230
[ 258.294188][ T4551] kobject_add_internal+0x662/0xd00
[ 258.299609][ T4551] kobject_init_and_add+0x122/0x190
[ 258.305130][ T4551] ? lockdep_softirqs_off+0x420/0x420
[ 258.310802][ T4551] ? kobject_add+0x210/0x210
[ 258.315694][ T4551] ? __init_swait_queue_head+0xa5/0x150
[ 258.321730][ T4551] gfs2_sys_fs_add+0x234/0x480
[ 258.326979][ T4551] ? gfs2_recover_set+0x240/0x240
[ 258.332513][ T4551] ? snprintf+0xd7/0x120
[ 258.337039][ T4551] ? __free_pages+0x95/0x1a0
[ 258.341728][ T4551] ? vscnprintf+0x80/0x80
[ 258.346299][ T4551] gfs2_fill_super+0x128d/0x1f50
[ 258.351638][ T4551] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.357136][ T4551] ? preempt_count_add+0x8d/0x190
[ 258.362191][ T4551] ? sb_set_blocksize+0xa5/0xe0
[ 258.367594][ T4551] get_tree_bdev+0x3f1/0x610
[ 258.372553][ T4551] ? gfs2_reconfigure+0xcd0/0xcd0
[ 258.377696][ T4551] gfs2_get_tree+0x4d/0x1e0
[ 258.382617][ T4551] vfs_get_tree+0x88/0x270
[ 258.387224][ T4551] do_new_mount+0x24a/0xa40
[ 258.392090][ T4551] __se_sys_mount+0x2d6/0x3c0
[ 258.396947][ T4551] ? __x64_sys_mount+0xc0/0xc0
[ 258.401796][ T4551] ? lockdep_hardirqs_on+0x94/0x140
[ 258.407187][ T4551] ? __x64_sys_mount+0x1c/0xc0
[ 258.412167][ T4551] do_syscall_64+0x4c/0xa0
[ 258.416723][ T4551] ? clear_bhb_loop+0x30/0x80
[ 258.422280][ T4551] ? clear_bhb_loop+0x30/0x80
[ 258.427089][ T4551] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 258.433109][ T4551] RIP: 0033:0x7f46f801038a
[ 258.437633][ 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
[ 258.457503][ T4551] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.466157][ T4551] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 258.474471][ T4551] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 258.483521][ T4551] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 258.491881][ T4551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 258.499858][ T4551] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 258.507846][ T4551]
[ 258.511902][ T4551] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.525774][ T4551] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.882662][ T4552] loop1: detected capacity change from 0 to 32768
[ 258.931720][ T4552] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.944617][ T4552] CPU: 0 PID: 4552 Comm: syz.1.168 Not tainted 5.15.189-syzkaller #0
[ 258.952928][ T4552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 258.963287][ T4552] Call Trace:
[ 258.966604][ T4552]
[ 258.969738][ T4552] dump_stack_lvl+0x168/0x230
[ 258.974717][ T4552] ? show_regs_print_info+0x20/0x20
[ 258.979944][ T4552] ? load_image+0x3b0/0x3b0
[ 258.984510][ T4552] sysfs_create_dir_ns+0x252/0x280
[ 258.989753][ T4552] ? __lock_acquire+0x7c60/0x7c60
[ 258.994819][ T4552] ? sysfs_warn_dup+0xa0/0xa0
[ 258.999716][ T4552] ? do_raw_spin_unlock+0x11d/0x230
[ 259.005038][ T4552] kobject_add_internal+0x662/0xd00
[ 259.010546][ T4552] kobject_init_and_add+0x122/0x190
[ 259.015775][ T4552] ? lockdep_softirqs_off+0x420/0x420
[ 259.021278][ T4552] ? kobject_add+0x210/0x210
[ 259.025990][ T4552] ? __init_swait_queue_head+0xa5/0x150
[ 259.031567][ T4552] gfs2_sys_fs_add+0x234/0x480
[ 259.036358][ T4552] ? gfs2_recover_set+0x240/0x240
[ 259.041511][ T4552] ? snprintf+0xd7/0x120
[ 259.045768][ T4552] ? __free_pages+0x95/0x1a0
[ 259.050785][ T4552] ? vscnprintf+0x80/0x80
[ 259.055430][ T4552] gfs2_fill_super+0x128d/0x1f50
[ 259.060387][ T4552] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.065446][ T4552] ? preempt_count_add+0x8d/0x190
[ 259.070871][ T4552] ? sb_set_blocksize+0xa5/0xe0
[ 259.076177][ T4552] get_tree_bdev+0x3f1/0x610
[ 259.080988][ T4552] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.086588][ T4552] gfs2_get_tree+0x4d/0x1e0
[ 259.091201][ T4552] vfs_get_tree+0x88/0x270
[ 259.096258][ T4552] do_new_mount+0x24a/0xa40
[ 259.100952][ T4552] __se_sys_mount+0x2d6/0x3c0
[ 259.105720][ T4552] ? __x64_sys_mount+0xc0/0xc0
[ 259.110850][ T4552] ? lockdep_hardirqs_on+0x94/0x140
[ 259.116226][ T4552] ? __x64_sys_mount+0x1c/0xc0
[ 259.121073][ T4552] do_syscall_64+0x4c/0xa0
[ 259.125516][ T4552] ? clear_bhb_loop+0x30/0x80
[ 259.130276][ T4552] ? clear_bhb_loop+0x30/0x80
[ 259.135118][ T4552] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.141042][ T4552] RIP: 0033:0x7f46f801038a
[ 259.145547][ 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
[ 259.165326][ T4552] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.174085][ T4552] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 259.182331][ T4552] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 259.190480][ T4552] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 259.198976][ T4552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.207355][ T4552] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.215436][ T4552]
[ 259.220808][ T4552] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.234515][ T4552] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 259.577562][ T4553] loop1: detected capacity change from 0 to 32768
[ 259.660837][ T4553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.668878][ T4553] CPU: 1 PID: 4553 Comm: syz.1.169 Not tainted 5.15.189-syzkaller #0
[ 259.677328][ T4553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 259.687676][ T4553] Call Trace:
[ 259.690989][ T4553]
[ 259.694044][ T4553] dump_stack_lvl+0x168/0x230
[ 259.699161][ T4553] ? show_regs_print_info+0x20/0x20
[ 259.704492][ T4553] ? load_image+0x3b0/0x3b0
[ 259.709125][ T4553] sysfs_create_dir_ns+0x252/0x280
[ 259.714394][ T4553] ? __lock_acquire+0x7c60/0x7c60
[ 259.719860][ T4553] ? sysfs_warn_dup+0xa0/0xa0
[ 259.724637][ T4553] ? do_raw_spin_unlock+0x11d/0x230
[ 259.730258][ T4553] kobject_add_internal+0x662/0xd00
[ 259.735816][ T4553] kobject_init_and_add+0x122/0x190
[ 259.741651][ T4553] ? lockdep_softirqs_off+0x420/0x420
[ 259.747400][ T4553] ? kobject_add+0x210/0x210
[ 259.752057][ T4553] ? __init_swait_queue_head+0xa5/0x150
[ 259.757835][ T4553] gfs2_sys_fs_add+0x234/0x480
[ 259.762867][ T4553] ? gfs2_recover_set+0x240/0x240
[ 259.767889][ T4553] ? snprintf+0xd7/0x120
[ 259.772432][ T4553] ? __free_pages+0x95/0x1a0
[ 259.777013][ T4553] ? vscnprintf+0x80/0x80
[ 259.781349][ T4553] gfs2_fill_super+0x128d/0x1f50
[ 259.786469][ T4553] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.791954][ T4553] ? preempt_count_add+0x8d/0x190
[ 259.797243][ T4553] ? sb_set_blocksize+0xa5/0xe0
[ 259.802188][ T4553] get_tree_bdev+0x3f1/0x610
[ 259.807029][ T4553] ? gfs2_reconfigure+0xcd0/0xcd0
[ 259.812439][ T4553] gfs2_get_tree+0x4d/0x1e0
[ 259.817070][ T4553] vfs_get_tree+0x88/0x270
[ 259.821575][ T4553] do_new_mount+0x24a/0xa40
[ 259.826397][ T4553] __se_sys_mount+0x2d6/0x3c0
[ 259.831107][ T4553] ? __x64_sys_mount+0xc0/0xc0
[ 259.836463][ T4553] ? lockdep_hardirqs_on+0x94/0x140
[ 259.842332][ T4553] ? __x64_sys_mount+0x1c/0xc0
[ 259.847104][ T4553] do_syscall_64+0x4c/0xa0
[ 259.851615][ T4553] ? clear_bhb_loop+0x30/0x80
[ 259.856466][ T4553] ? clear_bhb_loop+0x30/0x80
[ 259.861149][ T4553] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 259.867235][ T4553] RIP: 0033:0x7f46f801038a
[ 259.871773][ 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
[ 259.892328][ T4553] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.901281][ T4553] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 259.909613][ T4553] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 259.918065][ T4553] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 259.926304][ T4553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 259.935167][ T4553] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 259.943514][ T4553]
[ 259.947218][ T4553] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.961574][ T4553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.315348][ T4554] loop1: detected capacity change from 0 to 32768
[ 260.371604][ T4554] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.379503][ T4554] CPU: 1 PID: 4554 Comm: syz.1.170 Not tainted 5.15.189-syzkaller #0
[ 260.387975][ T4554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 260.398368][ T4554] Call Trace:
[ 260.401696][ T4554]
[ 260.404654][ T4554] dump_stack_lvl+0x168/0x230
[ 260.409370][ T4554] ? show_regs_print_info+0x20/0x20
[ 260.414605][ T4554] ? load_image+0x3b0/0x3b0
[ 260.419431][ T4554] sysfs_create_dir_ns+0x252/0x280
[ 260.424830][ T4554] ? __lock_acquire+0x7c60/0x7c60
[ 260.430154][ T4554] ? sysfs_warn_dup+0xa0/0xa0
[ 260.434954][ T4554] ? do_raw_spin_unlock+0x11d/0x230
[ 260.440450][ T4554] kobject_add_internal+0x662/0xd00
[ 260.446228][ T4554] kobject_init_and_add+0x122/0x190
[ 260.452051][ T4554] ? lockdep_softirqs_off+0x420/0x420
[ 260.457878][ T4554] ? kobject_add+0x210/0x210
[ 260.463381][ T4554] ? __init_swait_queue_head+0xa5/0x150
[ 260.469308][ T4554] gfs2_sys_fs_add+0x234/0x480
[ 260.474359][ T4554] ? gfs2_recover_set+0x240/0x240
[ 260.479861][ T4554] ? snprintf+0xd7/0x120
[ 260.484229][ T4554] ? __free_pages+0x95/0x1a0
[ 260.489202][ T4554] ? vscnprintf+0x80/0x80
[ 260.493939][ T4554] gfs2_fill_super+0x128d/0x1f50
[ 260.499187][ T4554] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.504360][ T4554] ? preempt_count_add+0x8d/0x190
[ 260.509414][ T4554] ? sb_set_blocksize+0xa5/0xe0
[ 260.514262][ T4554] get_tree_bdev+0x3f1/0x610
[ 260.518853][ T4554] ? gfs2_reconfigure+0xcd0/0xcd0
[ 260.523878][ T4554] gfs2_get_tree+0x4d/0x1e0
[ 260.528373][ T4554] vfs_get_tree+0x88/0x270
[ 260.532960][ T4554] do_new_mount+0x24a/0xa40
[ 260.537483][ T4554] __se_sys_mount+0x2d6/0x3c0
[ 260.542200][ T4554] ? __x64_sys_mount+0xc0/0xc0
[ 260.547164][ T4554] ? lockdep_hardirqs_on+0x94/0x140
[ 260.552466][ T4554] ? __x64_sys_mount+0x1c/0xc0
[ 260.557232][ T4554] do_syscall_64+0x4c/0xa0
[ 260.561927][ T4554] ? clear_bhb_loop+0x30/0x80
[ 260.566788][ T4554] ? clear_bhb_loop+0x30/0x80
[ 260.571665][ T4554] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 260.577616][ T4554] RIP: 0033:0x7f46f801038a
[ 260.582238][ T4554] 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
[ 260.601945][ T4554] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.610772][ T4554] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 260.618977][ T4554] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 260.626948][ T4554] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 260.635067][ T4554] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 260.643115][ T4554] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 260.651117][ T4554]
[ 260.655614][ T4554] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.670201][ T4554] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 261.053646][ T4555] loop1: detected capacity change from 0 to 32768
[ 261.140593][ T4555] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.149210][ T4555] CPU: 1 PID: 4555 Comm: syz.1.171 Not tainted 5.15.189-syzkaller #0
[ 261.157410][ T4555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 261.167875][ T4555] Call Trace:
[ 261.171452][ T4555]
[ 261.174415][ T4555] dump_stack_lvl+0x168/0x230
[ 261.179314][ T4555] ? show_regs_print_info+0x20/0x20
[ 261.184542][ T4555] ? load_image+0x3b0/0x3b0
[ 261.189265][ T4555] sysfs_create_dir_ns+0x252/0x280
[ 261.194814][ T4555] ? __lock_acquire+0x7c60/0x7c60
[ 261.200255][ T4555] ? sysfs_warn_dup+0xa0/0xa0
[ 261.204960][ T4555] ? do_raw_spin_unlock+0x11d/0x230
[ 261.210174][ T4555] kobject_add_internal+0x662/0xd00
[ 261.215800][ T4555] kobject_init_and_add+0x122/0x190
[ 261.221099][ T4555] ? lockdep_softirqs_off+0x420/0x420
[ 261.226674][ T4555] ? kobject_add+0x210/0x210
[ 261.231375][ T4555] ? __init_swait_queue_head+0xa5/0x150
[ 261.237131][ T4555] gfs2_sys_fs_add+0x234/0x480
[ 261.242022][ T4555] ? gfs2_recover_set+0x240/0x240
[ 261.247600][ T4555] ? snprintf+0xd7/0x120
[ 261.252098][ T4555] ? __free_pages+0x95/0x1a0
[ 261.256800][ T4555] ? vscnprintf+0x80/0x80
[ 261.261249][ T4555] gfs2_fill_super+0x128d/0x1f50
[ 261.266280][ T4555] ? gfs2_reconfigure+0xcd0/0xcd0
[ 261.271408][ T4555] ? preempt_count_add+0x8d/0x190
[ 261.276544][ T4555] ? sb_set_blocksize+0xa5/0xe0
[ 261.281481][ T4555] get_tree_bdev+0x3f1/0x610
[ 261.286372][ T4555] ? gfs2_reconfigure+0xcd0/0xcd0
[ 261.291537][ T4555] gfs2_get_tree+0x4d/0x1e0
[ 261.296486][ T4555] vfs_get_tree+0x88/0x270
[ 261.301102][ T4555] do_new_mount+0x24a/0xa40
[ 261.305692][ T4555] __se_sys_mount+0x2d6/0x3c0
[ 261.310468][ T4555] ? __x64_sys_mount+0xc0/0xc0
[ 261.315356][ T4555] ? lockdep_hardirqs_on+0x94/0x140
[ 261.320906][ T4555] ? __x64_sys_mount+0x1c/0xc0
[ 261.325773][ T4555] do_syscall_64+0x4c/0xa0
[ 261.330385][ T4555] ? clear_bhb_loop+0x30/0x80
[ 261.335276][ T4555] ? clear_bhb_loop+0x30/0x80
[ 261.340035][ T4555] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 261.346477][ T4555] RIP: 0033:0x7f46f801038a
[ 261.350976][ T4555] 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
[ 261.372350][ T4555] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.381219][ T4555] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 261.389221][ T4555] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 261.397299][ T4555] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 261.405417][ T4555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 261.413488][ T4555] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 261.421796][ T4555]
[ 261.425731][ T4555] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.439624][ T4555] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 261.805636][ T4556] loop1: detected capacity change from 0 to 32768
[ 261.848947][ T4556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.857505][ T4556] CPU: 1 PID: 4556 Comm: syz.1.172 Not tainted 5.15.189-syzkaller #0
[ 261.865613][ T4556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 261.876041][ T4556] Call Trace:
[ 261.879361][ T4556]
[ 261.882516][ T4556] dump_stack_lvl+0x168/0x230
[ 261.887420][ T4556] ? show_regs_print_info+0x20/0x20
[ 261.892663][ T4556] ? load_image+0x3b0/0x3b0
[ 261.897435][ T4556] sysfs_create_dir_ns+0x252/0x280
[ 261.902585][ T4556] ? __lock_acquire+0x7c60/0x7c60
[ 261.907778][ T4556] ? sysfs_warn_dup+0xa0/0xa0
[ 261.912512][ T4556] ? do_raw_spin_unlock+0x11d/0x230
[ 261.917883][ T4556] kobject_add_internal+0x662/0xd00
[ 261.923131][ T4556] kobject_init_and_add+0x122/0x190
[ 261.928564][ T4556] ? lockdep_softirqs_off+0x420/0x420
[ 261.934236][ T4556] ? kobject_add+0x210/0x210
[ 261.939031][ T4556] ? __init_swait_queue_head+0xa5/0x150
[ 261.944668][ T4556] gfs2_sys_fs_add+0x234/0x480
[ 261.949529][ T4556] ? gfs2_recover_set+0x240/0x240
[ 261.955032][ T4556] ? snprintf+0xd7/0x120
[ 261.959406][ T4556] ? __free_pages+0x95/0x1a0
[ 261.964111][ T4556] ? vscnprintf+0x80/0x80
[ 261.968463][ T4556] gfs2_fill_super+0x128d/0x1f50
[ 261.973614][ T4556] ? gfs2_reconfigure+0xcd0/0xcd0
[ 261.979090][ T4556] ? preempt_count_add+0x8d/0x190
[ 261.984505][ T4556] ? sb_set_blocksize+0xa5/0xe0
[ 261.989798][ T4556] get_tree_bdev+0x3f1/0x610
[ 261.994491][ T4556] ? gfs2_reconfigure+0xcd0/0xcd0
[ 261.999520][ T4556] gfs2_get_tree+0x4d/0x1e0
[ 262.004304][ T4556] vfs_get_tree+0x88/0x270
[ 262.009011][ T4556] do_new_mount+0x24a/0xa40
[ 262.013628][ T4556] __se_sys_mount+0x2d6/0x3c0
[ 262.018402][ T4556] ? __x64_sys_mount+0xc0/0xc0
[ 262.023215][ T4556] ? lockdep_hardirqs_on+0x94/0x140
[ 262.028597][ T4556] ? __x64_sys_mount+0x1c/0xc0
[ 262.033558][ T4556] do_syscall_64+0x4c/0xa0
[ 262.038065][ T4556] ? clear_bhb_loop+0x30/0x80
[ 262.043027][ T4556] ? clear_bhb_loop+0x30/0x80
[ 262.047730][ T4556] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.053709][ T4556] RIP: 0033:0x7f46f801038a
[ 262.058482][ T4556] 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
[ 262.078462][ T4556] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.087164][ T4556] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 262.095182][ T4556] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 262.103791][ T4556] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 262.112062][ T4556] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 262.120325][ T4556] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 262.128315][ T4556]
[ 262.132137][ T4556] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.145599][ T4556] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 08:36:47 executed programs: 158
[ 262.490648][ T4557] loop1: detected capacity change from 0 to 32768
[ 262.542447][ T4557] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.550176][ T4557] CPU: 0 PID: 4557 Comm: syz.1.173 Not tainted 5.15.189-syzkaller #0
[ 262.558425][ T4557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 262.569260][ T4557] Call Trace:
[ 262.572580][ T4557]
[ 262.575626][ T4557] dump_stack_lvl+0x168/0x230
[ 262.580521][ T4557] ? show_regs_print_info+0x20/0x20
[ 262.585971][ T4557] ? load_image+0x3b0/0x3b0
[ 262.590677][ T4557] sysfs_create_dir_ns+0x252/0x280
[ 262.595969][ T4557] ? __lock_acquire+0x7c60/0x7c60
[ 262.601117][ T4557] ? sysfs_warn_dup+0xa0/0xa0
[ 262.606044][ T4557] ? do_raw_spin_unlock+0x11d/0x230
[ 262.611280][ T4557] kobject_add_internal+0x662/0xd00
[ 262.617162][ T4557] kobject_init_and_add+0x122/0x190
[ 262.622514][ T4557] ? lockdep_softirqs_off+0x420/0x420
[ 262.628098][ T4557] ? kobject_add+0x210/0x210
[ 262.633200][ T4557] ? __init_swait_queue_head+0xa5/0x150
[ 262.639066][ T4557] gfs2_sys_fs_add+0x234/0x480
[ 262.643972][ T4557] ? gfs2_recover_set+0x240/0x240
[ 262.649140][ T4557] ? snprintf+0xd7/0x120
[ 262.653726][ T4557] ? __free_pages+0x95/0x1a0
[ 262.658441][ T4557] ? vscnprintf+0x80/0x80
[ 262.663217][ T4557] gfs2_fill_super+0x128d/0x1f50
[ 262.669007][ T4557] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.674461][ T4557] ? preempt_count_add+0x8d/0x190
[ 262.680086][ T4557] ? sb_set_blocksize+0xa5/0xe0
[ 262.685140][ T4557] get_tree_bdev+0x3f1/0x610
[ 262.690204][ T4557] ? gfs2_reconfigure+0xcd0/0xcd0
[ 262.695601][ T4557] gfs2_get_tree+0x4d/0x1e0
[ 262.700215][ T4557] vfs_get_tree+0x88/0x270
[ 262.704755][ T4557] do_new_mount+0x24a/0xa40
[ 262.709626][ T4557] __se_sys_mount+0x2d6/0x3c0
[ 262.714398][ T4557] ? __x64_sys_mount+0xc0/0xc0
[ 262.719386][ T4557] ? lockdep_hardirqs_on+0x94/0x140
[ 262.724599][ T4557] ? __x64_sys_mount+0x1c/0xc0
[ 262.729473][ T4557] do_syscall_64+0x4c/0xa0
[ 262.733985][ T4557] ? clear_bhb_loop+0x30/0x80
[ 262.738670][ T4557] ? clear_bhb_loop+0x30/0x80
[ 262.743349][ T4557] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 262.749427][ T4557] RIP: 0033:0x7f46f801038a
[ 262.754078][ T4557] 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
[ 262.774056][ T4557] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.782881][ T4557] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 262.790956][ T4557] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 262.799910][ T4557] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 262.808377][ T4557] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 262.817062][ T4557] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 262.825414][ T4557]
[ 262.830722][ T4557] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.844122][ T4557] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.210071][ T4558] loop1: detected capacity change from 0 to 32768
[ 263.231305][ T4558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.240948][ T4558] CPU: 1 PID: 4558 Comm: syz.1.174 Not tainted 5.15.189-syzkaller #0
[ 263.249520][ T4558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 263.259781][ T4558] Call Trace:
[ 263.263089][ T4558]
[ 263.266139][ T4558] dump_stack_lvl+0x168/0x230
[ 263.270937][ T4558] ? show_regs_print_info+0x20/0x20
[ 263.276382][ T4558] ? load_image+0x3b0/0x3b0
[ 263.280954][ T4558] sysfs_create_dir_ns+0x252/0x280
[ 263.286200][ T4558] ? __lock_acquire+0x7c60/0x7c60
[ 263.291273][ T4558] ? sysfs_warn_dup+0xa0/0xa0
[ 263.296092][ T4558] ? do_raw_spin_unlock+0x11d/0x230
[ 263.301500][ T4558] kobject_add_internal+0x662/0xd00
[ 263.307027][ T4558] kobject_init_and_add+0x122/0x190
[ 263.312451][ T4558] ? lockdep_softirqs_off+0x420/0x420
[ 263.317965][ T4558] ? kobject_add+0x210/0x210
[ 263.322775][ T4558] ? __init_swait_queue_head+0xa5/0x150
[ 263.328524][ T4558] gfs2_sys_fs_add+0x234/0x480
[ 263.333488][ T4558] ? gfs2_recover_set+0x240/0x240
[ 263.339293][ T4558] ? snprintf+0xd7/0x120
[ 263.344243][ T4558] ? __free_pages+0x95/0x1a0
[ 263.349541][ T4558] ? vscnprintf+0x80/0x80
[ 263.353900][ T4558] gfs2_fill_super+0x128d/0x1f50
[ 263.358947][ T4558] ? gfs2_reconfigure+0xcd0/0xcd0
[ 263.364068][ T4558] ? preempt_count_add+0x8d/0x190
[ 263.369115][ T4558] ? sb_set_blocksize+0xa5/0xe0
[ 263.374349][ T4558] get_tree_bdev+0x3f1/0x610
[ 263.378947][ T4558] ? gfs2_reconfigure+0xcd0/0xcd0
[ 263.384074][ T4558] gfs2_get_tree+0x4d/0x1e0
[ 263.388585][ T4558] vfs_get_tree+0x88/0x270
[ 263.393176][ T4558] do_new_mount+0x24a/0xa40
[ 263.397890][ T4558] __se_sys_mount+0x2d6/0x3c0
[ 263.402975][ T4558] ? __x64_sys_mount+0xc0/0xc0
[ 263.407762][ T4558] ? lockdep_hardirqs_on+0x94/0x140
[ 263.413315][ T4558] ? __x64_sys_mount+0x1c/0xc0
[ 263.418286][ T4558] do_syscall_64+0x4c/0xa0
[ 263.422999][ T4558] ? clear_bhb_loop+0x30/0x80
[ 263.428030][ T4558] ? clear_bhb_loop+0x30/0x80
[ 263.432873][ T4558] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 263.438963][ T4558] RIP: 0033:0x7f46f801038a
[ 263.443698][ T4558] 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
[ 263.464381][ T4558] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.473082][ T4558] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 263.481437][ T4558] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 263.490139][ T4558] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 263.498457][ T4558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 263.507300][ T4558] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 263.515597][ T4558]
[ 263.519520][ T4558] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.533361][ T4558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.891346][ T4559] loop1: detected capacity change from 0 to 32768
[ 263.941898][ T4559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.954870][ T4559] CPU: 0 PID: 4559 Comm: syz.1.175 Not tainted 5.15.189-syzkaller #0
[ 263.962987][ T4559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 263.973513][ T4559] Call Trace:
[ 263.976824][ T4559]
[ 263.979817][ T4559] dump_stack_lvl+0x168/0x230
[ 263.984647][ T4559] ? show_regs_print_info+0x20/0x20
[ 263.989971][ T4559] ? load_image+0x3b0/0x3b0
[ 263.994705][ T4559] sysfs_create_dir_ns+0x252/0x280
[ 264.000164][ T4559] ? __lock_acquire+0x7c60/0x7c60
[ 264.005356][ T4559] ? sysfs_warn_dup+0xa0/0xa0
[ 264.010524][ T4559] ? do_raw_spin_unlock+0x11d/0x230
[ 264.015759][ T4559] kobject_add_internal+0x662/0xd00
[ 264.021407][ T4559] kobject_init_and_add+0x122/0x190
[ 264.026813][ T4559] ? lockdep_softirqs_off+0x420/0x420
[ 264.032593][ T4559] ? kobject_add+0x210/0x210
[ 264.037569][ T4559] ? __init_swait_queue_head+0xa5/0x150
[ 264.043314][ T4559] gfs2_sys_fs_add+0x234/0x480
[ 264.048095][ T4559] ? gfs2_recover_set+0x240/0x240
[ 264.053327][ T4559] ? snprintf+0xd7/0x120
[ 264.057926][ T4559] ? __free_pages+0x95/0x1a0
[ 264.062586][ T4559] ? vscnprintf+0x80/0x80
[ 264.067091][ T4559] gfs2_fill_super+0x128d/0x1f50
[ 264.072229][ T4559] ? gfs2_reconfigure+0xcd0/0xcd0
[ 264.077530][ T4559] ? preempt_count_add+0x8d/0x190
[ 264.083248][ T4559] ? sb_set_blocksize+0xa5/0xe0
[ 264.088228][ T4559] get_tree_bdev+0x3f1/0x610
[ 264.093039][ T4559] ? gfs2_reconfigure+0xcd0/0xcd0
[ 264.098334][ T4559] gfs2_get_tree+0x4d/0x1e0
[ 264.102979][ T4559] vfs_get_tree+0x88/0x270
[ 264.108196][ T4559] do_new_mount+0x24a/0xa40
[ 264.113388][ T4559] __se_sys_mount+0x2d6/0x3c0
[ 264.118131][ T4559] ? __x64_sys_mount+0xc0/0xc0
[ 264.122947][ T4559] ? lockdep_hardirqs_on+0x94/0x140
[ 264.128349][ T4559] ? __x64_sys_mount+0x1c/0xc0
[ 264.133268][ T4559] do_syscall_64+0x4c/0xa0
[ 264.137982][ T4559] ? clear_bhb_loop+0x30/0x80
[ 264.143072][ T4559] ? clear_bhb_loop+0x30/0x80
[ 264.147893][ T4559] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 264.154238][ T4559] RIP: 0033:0x7f46f801038a
[ 264.158801][ T4559] 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
[ 264.179421][ T4559] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.188526][ T4559] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 264.196616][ T4559] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 264.204593][ T4559] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 264.212711][ T4559] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 264.220955][ T4559] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 264.229240][ T4559]
[ 264.237274][ T4559] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.251432][ T4559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.605685][ T4560] loop1: detected capacity change from 0 to 32768
[ 264.679348][ T4560] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.688885][ T4560] CPU: 1 PID: 4560 Comm: syz.1.176 Not tainted 5.15.189-syzkaller #0
[ 264.697182][ T4560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 264.707334][ T4560] Call Trace:
[ 264.710651][ T4560]
[ 264.713825][ T4560] dump_stack_lvl+0x168/0x230
[ 264.718733][ T4560] ? show_regs_print_info+0x20/0x20
[ 264.724180][ T4560] ? load_image+0x3b0/0x3b0
[ 264.729095][ T4560] sysfs_create_dir_ns+0x252/0x280
[ 264.734434][ T4560] ? __lock_acquire+0x7c60/0x7c60
[ 264.739499][ T4560] ? sysfs_warn_dup+0xa0/0xa0
[ 264.744415][ T4560] ? do_raw_spin_unlock+0x11d/0x230
[ 264.750120][ T4560] kobject_add_internal+0x662/0xd00
[ 264.755637][ T4560] kobject_init_and_add+0x122/0x190
[ 264.761208][ T4560] ? lockdep_softirqs_off+0x420/0x420
[ 264.766940][ T4560] ? kobject_add+0x210/0x210
[ 264.771746][ T4560] ? __init_swait_queue_head+0xa5/0x150
[ 264.777421][ T4560] gfs2_sys_fs_add+0x234/0x480
[ 264.782414][ T4560] ? gfs2_recover_set+0x240/0x240
[ 264.787622][ T4560] ? snprintf+0xd7/0x120
[ 264.792308][ T4560] ? __free_pages+0x95/0x1a0
[ 264.797048][ T4560] ? vscnprintf+0x80/0x80
[ 264.801527][ T4560] gfs2_fill_super+0x128d/0x1f50
[ 264.806581][ T4560] ? gfs2_reconfigure+0xcd0/0xcd0
[ 264.811606][ T4560] ? preempt_count_add+0x8d/0x190
[ 264.816653][ T4560] ? sb_set_blocksize+0xa5/0xe0
[ 264.822465][ T4560] get_tree_bdev+0x3f1/0x610
[ 264.827213][ T4560] ? gfs2_reconfigure+0xcd0/0xcd0
[ 264.832270][ T4560] gfs2_get_tree+0x4d/0x1e0
[ 264.836983][ T4560] vfs_get_tree+0x88/0x270
[ 264.841497][ T4560] do_new_mount+0x24a/0xa40
[ 264.846113][ T4560] __se_sys_mount+0x2d6/0x3c0
[ 264.851085][ T4560] ? __x64_sys_mount+0xc0/0xc0
[ 264.855958][ T4560] ? lockdep_hardirqs_on+0x94/0x140
[ 264.861941][ T4560] ? __x64_sys_mount+0x1c/0xc0
[ 264.867002][ T4560] do_syscall_64+0x4c/0xa0
[ 264.871562][ T4560] ? clear_bhb_loop+0x30/0x80
[ 264.876268][ T4560] ? clear_bhb_loop+0x30/0x80
[ 264.881190][ T4560] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 264.887104][ T4560] RIP: 0033:0x7f46f801038a
[ 264.891882][ T4560] 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
[ 264.911956][ T4560] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.921047][ T4560] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 264.929112][ T4560] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 264.937953][ T4560] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 264.946215][ T4560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 264.955502][ T4560] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 264.964056][ T4560]
[ 264.968407][ T4560] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.982137][ T4560] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.355598][ T4561] loop1: detected capacity change from 0 to 32768
[ 265.404678][ T4561] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.412684][ T4561] CPU: 0 PID: 4561 Comm: syz.1.177 Not tainted 5.15.189-syzkaller #0
[ 265.421137][ T4561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 265.432085][ T4561] Call Trace:
[ 265.435568][ T4561]
[ 265.438643][ T4561] dump_stack_lvl+0x168/0x230
[ 265.443681][ T4561] ? show_regs_print_info+0x20/0x20
[ 265.449615][ T4561] ? load_image+0x3b0/0x3b0
[ 265.454436][ T4561] sysfs_create_dir_ns+0x252/0x280
[ 265.459937][ T4561] ? __lock_acquire+0x7c60/0x7c60
[ 265.465272][ T4561] ? sysfs_warn_dup+0xa0/0xa0
[ 265.470074][ T4561] ? do_raw_spin_unlock+0x11d/0x230
[ 265.475660][ T4561] kobject_add_internal+0x662/0xd00
[ 265.481084][ T4561] kobject_init_and_add+0x122/0x190
[ 265.486432][ T4561] ? lockdep_softirqs_off+0x420/0x420
[ 265.491915][ T4561] ? kobject_add+0x210/0x210
[ 265.496694][ T4561] ? __init_swait_queue_head+0xa5/0x150
[ 265.502335][ T4561] gfs2_sys_fs_add+0x234/0x480
[ 265.507198][ T4561] ? gfs2_recover_set+0x240/0x240
[ 265.512412][ T4561] ? snprintf+0xd7/0x120
[ 265.516674][ T4561] ? __free_pages+0x95/0x1a0
[ 265.521904][ T4561] ? vscnprintf+0x80/0x80
[ 265.526524][ T4561] gfs2_fill_super+0x128d/0x1f50
[ 265.531463][ T4561] ? gfs2_reconfigure+0xcd0/0xcd0
[ 265.536487][ T4561] ? preempt_count_add+0x8d/0x190
[ 265.541703][ T4561] ? sb_set_blocksize+0xa5/0xe0
[ 265.546635][ T4561] get_tree_bdev+0x3f1/0x610
[ 265.551479][ T4561] ? gfs2_reconfigure+0xcd0/0xcd0
[ 265.556605][ T4561] gfs2_get_tree+0x4d/0x1e0
[ 265.561116][ T4561] vfs_get_tree+0x88/0x270
[ 265.565572][ T4561] do_new_mount+0x24a/0xa40
[ 265.570103][ T4561] __se_sys_mount+0x2d6/0x3c0
[ 265.575198][ T4561] ? __x64_sys_mount+0xc0/0xc0
[ 265.580330][ T4561] ? lockdep_hardirqs_on+0x94/0x140
[ 265.585772][ T4561] ? __x64_sys_mount+0x1c/0xc0
[ 265.590945][ T4561] do_syscall_64+0x4c/0xa0
[ 265.595497][ T4561] ? clear_bhb_loop+0x30/0x80
[ 265.600342][ T4561] ? clear_bhb_loop+0x30/0x80
[ 265.610166][ T4561] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 265.616171][ T4561] RIP: 0033:0x7f46f801038a
[ 265.621563][ T4561] 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
[ 265.642050][ T4561] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.650815][ T4561] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 265.659295][ T4561] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 265.667447][ T4561] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 265.675907][ T4561] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 265.684232][ T4561] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 265.692527][ T4561]
[ 265.697783][ T4561] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.711077][ T4561] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.105922][ T4562] loop1: detected capacity change from 0 to 32768
[ 266.137544][ T4562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.145848][ T4562] CPU: 1 PID: 4562 Comm: syz.1.178 Not tainted 5.15.189-syzkaller #0
[ 266.154376][ T4562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 266.164588][ T4562] Call Trace:
[ 266.167884][ T4562]
[ 266.170923][ T4562] dump_stack_lvl+0x168/0x230
[ 266.175633][ T4562] ? show_regs_print_info+0x20/0x20
[ 266.180937][ T4562] ? load_image+0x3b0/0x3b0
[ 266.185738][ T4562] sysfs_create_dir_ns+0x252/0x280
[ 266.190909][ T4562] ? __lock_acquire+0x7c60/0x7c60
[ 266.196149][ T4562] ? sysfs_warn_dup+0xa0/0xa0
[ 266.200945][ T4562] ? do_raw_spin_unlock+0x11d/0x230
[ 266.206261][ T4562] kobject_add_internal+0x662/0xd00
[ 266.211500][ T4562] kobject_init_and_add+0x122/0x190
[ 266.217034][ T4562] ? lockdep_softirqs_off+0x420/0x420
[ 266.222523][ T4562] ? kobject_add+0x210/0x210
[ 266.227412][ T4562] ? __init_swait_queue_head+0xa5/0x150
[ 266.233612][ T4562] gfs2_sys_fs_add+0x234/0x480
[ 266.238586][ T4562] ? gfs2_recover_set+0x240/0x240
[ 266.243818][ T4562] ? snprintf+0xd7/0x120
[ 266.248292][ T4562] ? __free_pages+0x95/0x1a0
[ 266.253096][ T4562] ? vscnprintf+0x80/0x80
[ 266.257728][ T4562] gfs2_fill_super+0x128d/0x1f50
[ 266.263079][ T4562] ? gfs2_reconfigure+0xcd0/0xcd0
[ 266.268395][ T4562] ? preempt_count_add+0x8d/0x190
[ 266.273649][ T4562] ? sb_set_blocksize+0xa5/0xe0
[ 266.278717][ T4562] get_tree_bdev+0x3f1/0x610
[ 266.283347][ T4562] ? gfs2_reconfigure+0xcd0/0xcd0
[ 266.288584][ T4562] gfs2_get_tree+0x4d/0x1e0
[ 266.293219][ T4562] vfs_get_tree+0x88/0x270
[ 266.297724][ T4562] do_new_mount+0x24a/0xa40
[ 266.302364][ T4562] __se_sys_mount+0x2d6/0x3c0
[ 266.307082][ T4562] ? __x64_sys_mount+0xc0/0xc0
[ 266.312101][ T4562] ? lockdep_hardirqs_on+0x94/0x140
[ 266.317339][ T4562] ? __x64_sys_mount+0x1c/0xc0
[ 266.322400][ T4562] do_syscall_64+0x4c/0xa0
[ 266.327019][ T4562] ? clear_bhb_loop+0x30/0x80
[ 266.332083][ T4562] ? clear_bhb_loop+0x30/0x80
[ 266.337073][ T4562] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 266.343369][ T4562] RIP: 0033:0x7f46f801038a
[ 266.349753][ T4562] 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
[ 266.369935][ T4562] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.378553][ T4562] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 266.386766][ T4562] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 266.395170][ T4562] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 266.403347][ T4562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 266.411797][ T4562] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 266.419987][ T4562]
[ 266.426837][ T4562] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.440892][ T4562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.851160][ T4563] loop1: detected capacity change from 0 to 32768
[ 266.910960][ T4563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.919070][ T4563] CPU: 1 PID: 4563 Comm: syz.1.179 Not tainted 5.15.189-syzkaller #0
[ 266.927200][ T4563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 266.937283][ T4563] Call Trace:
[ 266.940704][ T4563]
[ 266.943753][ T4563] dump_stack_lvl+0x168/0x230
[ 266.948474][ T4563] ? show_regs_print_info+0x20/0x20
[ 266.953789][ T4563] ? load_image+0x3b0/0x3b0
[ 266.958851][ T4563] sysfs_create_dir_ns+0x252/0x280
[ 266.964017][ T4563] ? __lock_acquire+0x7c60/0x7c60
[ 266.969391][ T4563] ? sysfs_warn_dup+0xa0/0xa0
[ 266.974265][ T4563] ? do_raw_spin_unlock+0x11d/0x230
[ 266.979672][ T4563] kobject_add_internal+0x662/0xd00
[ 266.985085][ T4563] kobject_init_and_add+0x122/0x190
[ 266.990572][ T4563] ? lockdep_softirqs_off+0x420/0x420
[ 266.996072][ T4563] ? kobject_add+0x210/0x210
[ 267.000702][ T4563] ? __init_swait_queue_head+0xa5/0x150
[ 267.006745][ T4563] gfs2_sys_fs_add+0x234/0x480
[ 267.011608][ T4563] ? gfs2_recover_set+0x240/0x240
[ 267.016851][ T4563] ? snprintf+0xd7/0x120
[ 267.021154][ T4563] ? __free_pages+0x95/0x1a0
[ 267.025848][ T4563] ? vscnprintf+0x80/0x80
[ 267.030499][ T4563] gfs2_fill_super+0x128d/0x1f50
[ 267.035954][ T4563] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.041002][ T4563] ? preempt_count_add+0x8d/0x190
[ 267.046133][ T4563] ? sb_set_blocksize+0xa5/0xe0
[ 267.051161][ T4563] get_tree_bdev+0x3f1/0x610
[ 267.055839][ T4563] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.061121][ T4563] gfs2_get_tree+0x4d/0x1e0
[ 267.065817][ T4563] vfs_get_tree+0x88/0x270
[ 267.070326][ T4563] do_new_mount+0x24a/0xa40
[ 267.074838][ T4563] __se_sys_mount+0x2d6/0x3c0
[ 267.079610][ T4563] ? __x64_sys_mount+0xc0/0xc0
[ 267.084370][ T4563] ? lockdep_hardirqs_on+0x94/0x140
[ 267.089556][ T4563] ? __x64_sys_mount+0x1c/0xc0
[ 267.094424][ T4563] do_syscall_64+0x4c/0xa0
[ 267.098833][ T4563] ? clear_bhb_loop+0x30/0x80
[ 267.103763][ T4563] ? clear_bhb_loop+0x30/0x80
[ 267.108615][ T4563] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.114521][ T4563] RIP: 0033:0x7f46f801038a
[ 267.119369][ T4563] 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
[ 267.139502][ T4563] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.148027][ T4563] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 267.156145][ T4563] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 267.164620][ T4563] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 267.172717][ T4563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 267.180822][ T4563] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 267.189061][ T4563]
[ 267.193265][ T4563] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.207539][ T4563] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 08:36:52 executed programs: 165
[ 267.567746][ T4564] loop1: detected capacity change from 0 to 32768
[ 267.636170][ T4564] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.644790][ T4564] CPU: 1 PID: 4564 Comm: syz.1.180 Not tainted 5.15.189-syzkaller #0
[ 267.654054][ T4564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 267.664729][ T4564] Call Trace:
[ 267.668573][ T4564]
[ 267.671732][ T4564] dump_stack_lvl+0x168/0x230
[ 267.676938][ T4564] ? show_regs_print_info+0x20/0x20
[ 267.682443][ T4564] ? load_image+0x3b0/0x3b0
[ 267.687745][ T4564] sysfs_create_dir_ns+0x252/0x280
[ 267.693583][ T4564] ? __lock_acquire+0x7c60/0x7c60
[ 267.698922][ T4564] ? sysfs_warn_dup+0xa0/0xa0
[ 267.703817][ T4564] ? do_raw_spin_unlock+0x11d/0x230
[ 267.709320][ T4564] kobject_add_internal+0x662/0xd00
[ 267.714983][ T4564] kobject_init_and_add+0x122/0x190
[ 267.720564][ T4564] ? lockdep_softirqs_off+0x420/0x420
[ 267.726171][ T4564] ? kobject_add+0x210/0x210
[ 267.730785][ T4564] ? __init_swait_queue_head+0xa5/0x150
[ 267.736535][ T4564] gfs2_sys_fs_add+0x234/0x480
[ 267.741985][ T4564] ? gfs2_recover_set+0x240/0x240
[ 267.747472][ T4564] ? snprintf+0xd7/0x120
[ 267.752351][ T4564] ? __free_pages+0x95/0x1a0
[ 267.757497][ T4564] ? vscnprintf+0x80/0x80
[ 267.761843][ T4564] gfs2_fill_super+0x128d/0x1f50
[ 267.766891][ T4564] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.772409][ T4564] ? preempt_count_add+0x8d/0x190
[ 267.777808][ T4564] ? sb_set_blocksize+0xa5/0xe0
[ 267.782748][ T4564] get_tree_bdev+0x3f1/0x610
[ 267.787428][ T4564] ? gfs2_reconfigure+0xcd0/0xcd0
[ 267.792550][ T4564] gfs2_get_tree+0x4d/0x1e0
[ 267.797387][ T4564] vfs_get_tree+0x88/0x270
[ 267.802081][ T4564] do_new_mount+0x24a/0xa40
[ 267.806613][ T4564] __se_sys_mount+0x2d6/0x3c0
[ 267.811395][ T4564] ? __x64_sys_mount+0xc0/0xc0
[ 267.816284][ T4564] ? lockdep_hardirqs_on+0x94/0x140
[ 267.821809][ T4564] ? __x64_sys_mount+0x1c/0xc0
[ 267.826846][ T4564] do_syscall_64+0x4c/0xa0
[ 267.831650][ T4564] ? clear_bhb_loop+0x30/0x80
[ 267.836378][ T4564] ? clear_bhb_loop+0x30/0x80
[ 267.841536][ T4564] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 267.847807][ T4564] RIP: 0033:0x7f46f801038a
[ 267.852563][ T4564] 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
[ 267.873522][ T4564] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.882309][ T4564] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 267.890638][ T4564] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 267.898702][ T4564] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 267.906953][ T4564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 267.915724][ T4564] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 267.924198][ T4564]
[ 267.928158][ T4564] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.941668][ T4564] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.311843][ T4565] loop1: detected capacity change from 0 to 32768
[ 268.377519][ T4565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.385218][ T4565] CPU: 1 PID: 4565 Comm: syz.1.181 Not tainted 5.15.189-syzkaller #0
[ 268.393573][ T4565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 268.403969][ T4565] Call Trace:
[ 268.407381][ T4565]
[ 268.410343][ T4565] dump_stack_lvl+0x168/0x230
[ 268.415202][ T4565] ? show_regs_print_info+0x20/0x20
[ 268.420703][ T4565] ? load_image+0x3b0/0x3b0
[ 268.425513][ T4565] sysfs_create_dir_ns+0x252/0x280
[ 268.430773][ T4565] ? __lock_acquire+0x7c60/0x7c60
[ 268.436064][ T4565] ? sysfs_warn_dup+0xa0/0xa0
[ 268.440782][ T4565] ? do_raw_spin_unlock+0x11d/0x230
[ 268.446373][ T4565] kobject_add_internal+0x662/0xd00
[ 268.452012][ T4565] kobject_init_and_add+0x122/0x190
[ 268.457322][ T4565] ? lockdep_softirqs_off+0x420/0x420
[ 268.462994][ T4565] ? kobject_add+0x210/0x210
[ 268.468283][ T4565] ? __init_swait_queue_head+0xa5/0x150
[ 268.474272][ T4565] gfs2_sys_fs_add+0x234/0x480
[ 268.479426][ T4565] ? gfs2_recover_set+0x240/0x240
[ 268.484959][ T4565] ? snprintf+0xd7/0x120
[ 268.489436][ T4565] ? __free_pages+0x95/0x1a0
[ 268.494613][ T4565] ? vscnprintf+0x80/0x80
[ 268.499142][ T4565] gfs2_fill_super+0x128d/0x1f50
[ 268.504115][ T4565] ? gfs2_reconfigure+0xcd0/0xcd0
[ 268.509304][ T4565] ? preempt_count_add+0x8d/0x190
[ 268.514515][ T4565] ? sb_set_blocksize+0xa5/0xe0
[ 268.519539][ T4565] get_tree_bdev+0x3f1/0x610
[ 268.524244][ T4565] ? gfs2_reconfigure+0xcd0/0xcd0
[ 268.529563][ T4565] gfs2_get_tree+0x4d/0x1e0
[ 268.534210][ T4565] vfs_get_tree+0x88/0x270
[ 268.539620][ T4565] do_new_mount+0x24a/0xa40
[ 268.544170][ T4565] __se_sys_mount+0x2d6/0x3c0
[ 268.548959][ T4565] ? __x64_sys_mount+0xc0/0xc0
[ 268.554840][ T4565] ? lockdep_hardirqs_on+0x94/0x140
[ 268.560350][ T4565] ? __x64_sys_mount+0x1c/0xc0
[ 268.565318][ T4565] do_syscall_64+0x4c/0xa0
[ 268.569894][ T4565] ? clear_bhb_loop+0x30/0x80
[ 268.574926][ T4565] ? clear_bhb_loop+0x30/0x80
[ 268.580526][ T4565] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 268.586804][ T4565] RIP: 0033:0x7f46f801038a
[ 268.591387][ T4565] 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
[ 268.612563][ T4565] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.622224][ T4565] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 268.630632][ T4565] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 268.638920][ T4565] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 268.647413][ T4565] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 268.655735][ T4565] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 268.664662][ T4565]
[ 268.673934][ T4565] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.690415][ T4565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.056398][ T4567] loop1: detected capacity change from 0 to 32768
[ 269.102277][ T4567] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.114598][ T4567] CPU: 0 PID: 4567 Comm: syz.1.182 Not tainted 5.15.189-syzkaller #0
[ 269.123337][ T4567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 269.133935][ T4567] Call Trace:
[ 269.137489][ T4567]
[ 269.140513][ T4567] dump_stack_lvl+0x168/0x230
[ 269.145244][ T4567] ? show_regs_print_info+0x20/0x20
[ 269.150471][ T4567] ? load_image+0x3b0/0x3b0
[ 269.155109][ T4567] sysfs_create_dir_ns+0x252/0x280
[ 269.160447][ T4567] ? __lock_acquire+0x7c60/0x7c60
[ 269.166025][ T4567] ? sysfs_warn_dup+0xa0/0xa0
[ 269.170972][ T4567] ? do_raw_spin_unlock+0x11d/0x230
[ 269.176762][ T4567] kobject_add_internal+0x662/0xd00
[ 269.182011][ T4567] kobject_init_and_add+0x122/0x190
[ 269.187350][ T4567] ? lockdep_softirqs_off+0x420/0x420
[ 269.193146][ T4567] ? kobject_add+0x210/0x210
[ 269.197855][ T4567] ? __init_swait_queue_head+0xa5/0x150
[ 269.204477][ T4567] gfs2_sys_fs_add+0x234/0x480
[ 269.209379][ T4567] ? gfs2_recover_set+0x240/0x240
[ 269.214548][ T4567] ? snprintf+0xd7/0x120
[ 269.219007][ T4567] ? __free_pages+0x95/0x1a0
[ 269.223727][ T4567] ? vscnprintf+0x80/0x80
[ 269.228087][ T4567] gfs2_fill_super+0x128d/0x1f50
[ 269.233250][ T4567] ? gfs2_reconfigure+0xcd0/0xcd0
[ 269.238549][ T4567] ? preempt_count_add+0x8d/0x190
[ 269.243887][ T4567] ? sb_set_blocksize+0xa5/0xe0
[ 269.249021][ T4567] get_tree_bdev+0x3f1/0x610
[ 269.253646][ T4567] ? gfs2_reconfigure+0xcd0/0xcd0
[ 269.258935][ T4567] gfs2_get_tree+0x4d/0x1e0
[ 269.263896][ T4567] vfs_get_tree+0x88/0x270
[ 269.269208][ T4567] do_new_mount+0x24a/0xa40
[ 269.274403][ T4567] __se_sys_mount+0x2d6/0x3c0
[ 269.279371][ T4567] ? __x64_sys_mount+0xc0/0xc0
[ 269.284417][ T4567] ? lockdep_hardirqs_on+0x94/0x140
[ 269.290415][ T4567] ? __x64_sys_mount+0x1c/0xc0
[ 269.295736][ T4567] do_syscall_64+0x4c/0xa0
[ 269.300400][ T4567] ? clear_bhb_loop+0x30/0x80
[ 269.305389][ T4567] ? clear_bhb_loop+0x30/0x80
[ 269.310432][ T4567] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 269.317169][ T4567] RIP: 0033:0x7f46f801038a
[ 269.323592][ T4567] 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
[ 269.348123][ T4567] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.357817][ T4567] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 269.366726][ T4567] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 269.376836][ T4567] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 269.387785][ T4567] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 269.396625][ T4567] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 269.405519][ T4567]
[ 269.411291][ T4567] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.426511][ T4567] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.774244][ T4568] loop1: detected capacity change from 0 to 32768
[ 269.830004][ T4568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.838336][ T4568] CPU: 1 PID: 4568 Comm: syz.1.183 Not tainted 5.15.189-syzkaller #0
[ 269.846524][ T4568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 269.856822][ T4568] Call Trace:
[ 269.860323][ T4568]
[ 269.863367][ T4568] dump_stack_lvl+0x168/0x230
[ 269.868259][ T4568] ? show_regs_print_info+0x20/0x20
[ 269.873954][ T4568] ? load_image+0x3b0/0x3b0
[ 269.878682][ T4568] sysfs_create_dir_ns+0x252/0x280
[ 269.883861][ T4568] ? __lock_acquire+0x7c60/0x7c60
[ 269.889018][ T4568] ? sysfs_warn_dup+0xa0/0xa0
[ 269.893832][ T4568] ? do_raw_spin_unlock+0x11d/0x230
[ 269.899362][ T4568] kobject_add_internal+0x662/0xd00
[ 269.904689][ T4568] kobject_init_and_add+0x122/0x190
[ 269.909918][ T4568] ? lockdep_softirqs_off+0x420/0x420
[ 269.915452][ T4568] ? kobject_add+0x210/0x210
[ 269.920194][ T4568] ? __init_swait_queue_head+0xa5/0x150
[ 269.925759][ T4568] gfs2_sys_fs_add+0x234/0x480
[ 269.930614][ T4568] ? gfs2_recover_set+0x240/0x240
[ 269.941046][ T4568] ? snprintf+0xd7/0x120
[ 269.954330][ T4568] ? __free_pages+0x95/0x1a0
[ 269.959486][ T4568] ? vscnprintf+0x80/0x80
[ 269.965987][ T4568] gfs2_fill_super+0x128d/0x1f50
[ 269.971148][ T4568] ? gfs2_reconfigure+0xcd0/0xcd0
[ 269.976567][ T4568] ? preempt_count_add+0x8d/0x190
[ 269.982316][ T4568] ? sb_set_blocksize+0xa5/0xe0
[ 269.987317][ T4568] get_tree_bdev+0x3f1/0x610
[ 269.992417][ T4568] ? gfs2_reconfigure+0xcd0/0xcd0
[ 269.997564][ T4568] gfs2_get_tree+0x4d/0x1e0
[ 270.002193][ T4568] vfs_get_tree+0x88/0x270
[ 270.006703][ T4568] do_new_mount+0x24a/0xa40
[ 270.011315][ T4568] __se_sys_mount+0x2d6/0x3c0
[ 270.016194][ T4568] ? __x64_sys_mount+0xc0/0xc0
[ 270.021164][ T4568] ? lockdep_hardirqs_on+0x94/0x140
[ 270.026595][ T4568] ? __x64_sys_mount+0x1c/0xc0
[ 270.031564][ T4568] do_syscall_64+0x4c/0xa0
[ 270.036402][ T4568] ? clear_bhb_loop+0x30/0x80
[ 270.041116][ T4568] ? clear_bhb_loop+0x30/0x80
[ 270.046138][ T4568] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 270.052578][ T4568] RIP: 0033:0x7f46f801038a
[ 270.057277][ T4568] 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
[ 270.078784][ T4568] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.087917][ T4568] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 270.096405][ T4568] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 270.104536][ T4568] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 270.112620][ T4568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 270.120946][ T4568] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 270.129345][ T4568]
[ 270.133354][ T4568] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.147287][ T4568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.503188][ T4569] loop1: detected capacity change from 0 to 32768
[ 270.578853][ T4569] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.586632][ T4569] CPU: 1 PID: 4569 Comm: syz.1.184 Not tainted 5.15.189-syzkaller #0
[ 270.594816][ T4569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 270.605088][ T4569] Call Trace:
[ 270.608483][ T4569]
[ 270.611452][ T4569] dump_stack_lvl+0x168/0x230
[ 270.616384][ T4569] ? show_regs_print_info+0x20/0x20
[ 270.621842][ T4569] ? load_image+0x3b0/0x3b0
[ 270.626535][ T4569] sysfs_create_dir_ns+0x252/0x280
[ 270.631829][ T4569] ? __lock_acquire+0x7c60/0x7c60
[ 270.637173][ T4569] ? sysfs_warn_dup+0xa0/0xa0
[ 270.641886][ T4569] ? do_raw_spin_unlock+0x11d/0x230
[ 270.647297][ T4569] kobject_add_internal+0x662/0xd00
[ 270.652525][ T4569] kobject_init_and_add+0x122/0x190
[ 270.658311][ T4569] ? lockdep_softirqs_off+0x420/0x420
[ 270.664295][ T4569] ? kobject_add+0x210/0x210
[ 270.669367][ T4569] ? __init_swait_queue_head+0xa5/0x150
[ 270.675230][ T4569] gfs2_sys_fs_add+0x234/0x480
[ 270.680396][ T4569] ? gfs2_recover_set+0x240/0x240
[ 270.685871][ T4569] ? snprintf+0xd7/0x120
[ 270.690679][ T4569] ? __free_pages+0x95/0x1a0
[ 270.695547][ T4569] ? vscnprintf+0x80/0x80
[ 270.700072][ T4569] gfs2_fill_super+0x128d/0x1f50
[ 270.705106][ T4569] ? gfs2_reconfigure+0xcd0/0xcd0
[ 270.710387][ T4569] ? preempt_count_add+0x8d/0x190
[ 270.715447][ T4569] ? sb_set_blocksize+0xa5/0xe0
[ 270.721097][ T4569] get_tree_bdev+0x3f1/0x610
[ 270.725771][ T4569] ? gfs2_reconfigure+0xcd0/0xcd0
[ 270.731103][ T4569] gfs2_get_tree+0x4d/0x1e0
[ 270.736197][ T4569] vfs_get_tree+0x88/0x270
[ 270.740917][ T4569] do_new_mount+0x24a/0xa40
[ 270.745626][ T4569] __se_sys_mount+0x2d6/0x3c0
[ 270.750572][ T4569] ? __x64_sys_mount+0xc0/0xc0
[ 270.755810][ T4569] ? lockdep_hardirqs_on+0x94/0x140
[ 270.761950][ T4569] ? __x64_sys_mount+0x1c/0xc0
[ 270.767218][ T4569] do_syscall_64+0x4c/0xa0
[ 270.771901][ T4569] ? clear_bhb_loop+0x30/0x80
[ 270.776593][ T4569] ? clear_bhb_loop+0x30/0x80
[ 270.781708][ T4569] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 270.787624][ T4569] RIP: 0033:0x7f46f801038a
[ 270.792353][ T4569] 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
[ 270.812849][ T4569] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.821787][ T4569] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 270.830837][ T4569] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 270.840655][ T4569] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 270.849020][ T4569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 270.857378][ T4569] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 270.865852][ T4569]
[ 270.869545][ T4569] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.882908][ T4569] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.228446][ T4570] loop1: detected capacity change from 0 to 32768
[ 271.276080][ T4570] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.283967][ T4570] CPU: 1 PID: 4570 Comm: syz.1.185 Not tainted 5.15.189-syzkaller #0
[ 271.292411][ T4570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 271.303343][ T4570] Call Trace:
[ 271.306931][ T4570]
[ 271.309899][ T4570] dump_stack_lvl+0x168/0x230
[ 271.314621][ T4570] ? show_regs_print_info+0x20/0x20
[ 271.320019][ T4570] ? load_image+0x3b0/0x3b0
[ 271.325191][ T4570] sysfs_create_dir_ns+0x252/0x280
[ 271.330665][ T4570] ? __lock_acquire+0x7c60/0x7c60
[ 271.335894][ T4570] ? sysfs_warn_dup+0xa0/0xa0
[ 271.340794][ T4570] ? do_raw_spin_unlock+0x11d/0x230
[ 271.346228][ T4570] kobject_add_internal+0x662/0xd00
[ 271.351820][ T4570] kobject_init_and_add+0x122/0x190
[ 271.357481][ T4570] ? lockdep_softirqs_off+0x420/0x420
[ 271.363045][ T4570] ? kobject_add+0x210/0x210
[ 271.367997][ T4570] ? __init_swait_queue_head+0xa5/0x150
[ 271.374287][ T4570] gfs2_sys_fs_add+0x234/0x480
[ 271.379348][ T4570] ? gfs2_recover_set+0x240/0x240
[ 271.384461][ T4570] ? snprintf+0xd7/0x120
[ 271.388974][ T4570] ? __free_pages+0x95/0x1a0
[ 271.393588][ T4570] ? vscnprintf+0x80/0x80
[ 271.398137][ T4570] gfs2_fill_super+0x128d/0x1f50
[ 271.403250][ T4570] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.408368][ T4570] ? preempt_count_add+0x8d/0x190
[ 271.413850][ T4570] ? sb_set_blocksize+0xa5/0xe0
[ 271.419076][ T4570] get_tree_bdev+0x3f1/0x610
[ 271.423845][ T4570] ? gfs2_reconfigure+0xcd0/0xcd0
[ 271.429554][ T4570] gfs2_get_tree+0x4d/0x1e0
[ 271.434431][ T4570] vfs_get_tree+0x88/0x270
[ 271.439242][ T4570] do_new_mount+0x24a/0xa40
[ 271.444009][ T4570] __se_sys_mount+0x2d6/0x3c0
[ 271.449126][ T4570] ? __x64_sys_mount+0xc0/0xc0
[ 271.454238][ T4570] ? lockdep_hardirqs_on+0x94/0x140
[ 271.459934][ T4570] ? __x64_sys_mount+0x1c/0xc0
[ 271.464885][ T4570] do_syscall_64+0x4c/0xa0
[ 271.469664][ T4570] ? clear_bhb_loop+0x30/0x80
[ 271.474831][ T4570] ? clear_bhb_loop+0x30/0x80
[ 271.479662][ T4570] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 271.486328][ T4570] RIP: 0033:0x7f46f801038a
[ 271.491096][ T4570] 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
[ 271.512278][ T4570] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.521070][ T4570] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 271.529316][ T4570] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 271.537536][ T4570] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 271.546283][ T4570] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 271.554707][ T4570] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 271.563047][ T4570]
[ 271.567879][ T4570] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.582471][ T4570] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.979698][ T4571] loop1: detected capacity change from 0 to 32768
[ 272.036536][ T4571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.044938][ T4571] CPU: 1 PID: 4571 Comm: syz.1.186 Not tainted 5.15.189-syzkaller #0
[ 272.053391][ T4571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 272.063833][ T4571] Call Trace:
[ 272.067440][ T4571]
[ 272.070582][ T4571] dump_stack_lvl+0x168/0x230
[ 272.075385][ T4571] ? show_regs_print_info+0x20/0x20
[ 272.080713][ T4571] ? load_image+0x3b0/0x3b0
[ 272.085428][ T4571] sysfs_create_dir_ns+0x252/0x280
[ 272.090751][ T4571] ? __lock_acquire+0x7c60/0x7c60
[ 272.095896][ T4571] ? sysfs_warn_dup+0xa0/0xa0
[ 272.101074][ T4571] ? do_raw_spin_unlock+0x11d/0x230
[ 272.106574][ T4571] kobject_add_internal+0x662/0xd00
[ 272.111987][ T4571] kobject_init_and_add+0x122/0x190
[ 272.117306][ T4571] ? lockdep_softirqs_off+0x420/0x420
[ 272.122717][ T4571] ? kobject_add+0x210/0x210
[ 272.127440][ T4571] ? __init_swait_queue_head+0xa5/0x150
[ 272.133331][ T4571] gfs2_sys_fs_add+0x234/0x480
[ 272.138111][ T4571] ? gfs2_recover_set+0x240/0x240
[ 272.170859][ T4571] ? snprintf+0xd7/0x120
[ 272.175226][ T4571] ? __free_pages+0x95/0x1a0
[ 272.179957][ T4571] ? vscnprintf+0x80/0x80
[ 272.184311][ T4571] gfs2_fill_super+0x128d/0x1f50
[ 272.189516][ T4571] ? gfs2_reconfigure+0xcd0/0xcd0
[ 272.194833][ T4571] ? preempt_count_add+0x8d/0x190
[ 272.199954][ T4571] ? sb_set_blocksize+0xa5/0xe0
[ 272.204968][ T4571] get_tree_bdev+0x3f1/0x610
[ 272.209774][ T4571] ? gfs2_reconfigure+0xcd0/0xcd0
[ 272.215280][ T4571] gfs2_get_tree+0x4d/0x1e0
[ 272.219900][ T4571] vfs_get_tree+0x88/0x270
[ 272.224618][ T4571] do_new_mount+0x24a/0xa40
[ 272.229229][ T4571] __se_sys_mount+0x2d6/0x3c0
[ 272.234279][ T4571] ? __x64_sys_mount+0xc0/0xc0
[ 272.239468][ T4571] ? lockdep_hardirqs_on+0x94/0x140
[ 272.245074][ T4571] ? __x64_sys_mount+0x1c/0xc0
[ 272.250014][ T4571] do_syscall_64+0x4c/0xa0
[ 272.254454][ T4571] ? clear_bhb_loop+0x30/0x80
[ 272.259704][ T4571] ? clear_bhb_loop+0x30/0x80
[ 272.264606][ T4571] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 272.271047][ T4571] RIP: 0033:0x7f46f801038a
[ 272.276183][ T4571] 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
[ 272.296634][ T4571] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.305781][ T4571] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 272.314519][ T4571] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 272.323491][ T4571] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 272.332257][ T4571] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 272.340664][ T4571] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 272.349040][ T4571]
[ 272.353233][ T4571] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.367359][ T4571] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 08:36:57 executed programs: 172
[ 272.737137][ T4572] loop1: detected capacity change from 0 to 32768
[ 272.787748][ T4572] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.796016][ T4572] CPU: 1 PID: 4572 Comm: syz.1.187 Not tainted 5.15.189-syzkaller #0
[ 272.804608][ T4572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 272.815601][ T4572] Call Trace:
[ 272.819094][ T4572]
[ 272.822147][ T4572] dump_stack_lvl+0x168/0x230
[ 272.827031][ T4572] ? show_regs_print_info+0x20/0x20
[ 272.832596][ T4572] ? load_image+0x3b0/0x3b0
[ 272.837725][ T4572] sysfs_create_dir_ns+0x252/0x280
[ 272.843085][ T4572] ? __lock_acquire+0x7c60/0x7c60
[ 272.848495][ T4572] ? sysfs_warn_dup+0xa0/0xa0
[ 272.853476][ T4572] ? do_raw_spin_unlock+0x11d/0x230
[ 272.859179][ T4572] kobject_add_internal+0x662/0xd00
[ 272.865599][ T4572] kobject_init_and_add+0x122/0x190
[ 272.871935][ T4572] ? lockdep_softirqs_off+0x420/0x420
[ 272.878020][ T4572] ? kobject_add+0x210/0x210
[ 272.883119][ T4572] ? __init_swait_queue_head+0xa5/0x150
[ 272.889068][ T4572] gfs2_sys_fs_add+0x234/0x480
[ 272.894181][ T4572] ? gfs2_recover_set+0x240/0x240
[ 272.899379][ T4572] ? snprintf+0xd7/0x120
[ 272.903724][ T4572] ? __free_pages+0x95/0x1a0
[ 272.908487][ T4572] ? vscnprintf+0x80/0x80
[ 272.913620][ T4572] gfs2_fill_super+0x128d/0x1f50
[ 272.919104][ T4572] ? gfs2_reconfigure+0xcd0/0xcd0
[ 272.924856][ T4572] ? preempt_count_add+0x8d/0x190
[ 272.930657][ T4572] ? sb_set_blocksize+0xa5/0xe0
[ 272.936633][ T4572] get_tree_bdev+0x3f1/0x610
[ 272.942063][ T4572] ? gfs2_reconfigure+0xcd0/0xcd0
[ 272.947794][ T4572] gfs2_get_tree+0x4d/0x1e0
[ 272.952833][ T4572] vfs_get_tree+0x88/0x270
[ 272.957442][ T4572] do_new_mount+0x24a/0xa40
[ 272.962241][ T4572] __se_sys_mount+0x2d6/0x3c0
[ 272.967372][ T4572] ? __x64_sys_mount+0xc0/0xc0
[ 272.972223][ T4572] ? lockdep_hardirqs_on+0x94/0x140
[ 272.977877][ T4572] ? __x64_sys_mount+0x1c/0xc0
[ 272.983171][ T4572] do_syscall_64+0x4c/0xa0
[ 272.987594][ T4572] ? clear_bhb_loop+0x30/0x80
[ 272.992273][ T4572] ? clear_bhb_loop+0x30/0x80
[ 272.997230][ T4572] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 273.003171][ T4572] RIP: 0033:0x7f46f801038a
[ 273.008106][ T4572] 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
[ 273.028725][ T4572] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.037844][ T4572] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 273.046078][ T4572] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 273.055053][ T4572] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 273.063429][ T4572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 273.072226][ T4572] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 273.080964][ T4572]
[ 273.085232][ T4572] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.099496][ T4572] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.250111][ T4336] Bluetooth: hci1: command 0x0406 tx timeout
[ 273.455706][ T4573] loop1: detected capacity change from 0 to 32768
[ 273.503841][ T4573] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.512401][ T4573] CPU: 1 PID: 4573 Comm: syz.1.188 Not tainted 5.15.189-syzkaller #0
[ 273.522227][ T4573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 273.532743][ T4573] Call Trace:
[ 273.536050][ T4573]
[ 273.539191][ T4573] dump_stack_lvl+0x168/0x230
[ 273.544344][ T4573] ? show_regs_print_info+0x20/0x20
[ 273.549676][ T4573] ? load_image+0x3b0/0x3b0
[ 273.554490][ T4573] sysfs_create_dir_ns+0x252/0x280
[ 273.560070][ T4573] ? __lock_acquire+0x7c60/0x7c60
[ 273.565576][ T4573] ? sysfs_warn_dup+0xa0/0xa0
[ 273.571386][ T4573] ? do_raw_spin_unlock+0x11d/0x230
[ 273.577239][ T4573] kobject_add_internal+0x662/0xd00
[ 273.584841][ T4573] kobject_init_and_add+0x122/0x190
[ 273.590750][ T4573] ? lockdep_softirqs_off+0x420/0x420
[ 273.596551][ T4573] ? kobject_add+0x210/0x210
[ 273.601809][ T4573] ? __init_swait_queue_head+0xa5/0x150
[ 273.608919][ T4573] gfs2_sys_fs_add+0x234/0x480
[ 273.614850][ T4573] ? gfs2_recover_set+0x240/0x240
[ 273.621176][ T4573] ? snprintf+0xd7/0x120
[ 273.625746][ T4573] ? __free_pages+0x95/0x1a0
[ 273.630546][ T4573] ? vscnprintf+0x80/0x80
[ 273.635082][ T4573] gfs2_fill_super+0x128d/0x1f50
[ 273.640812][ T4573] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.646421][ T4573] ? preempt_count_add+0x8d/0x190
[ 273.651686][ T4573] ? sb_set_blocksize+0xa5/0xe0
[ 273.656888][ T4573] get_tree_bdev+0x3f1/0x610
[ 273.661696][ T4573] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.667778][ T4573] gfs2_get_tree+0x4d/0x1e0
[ 273.672815][ T4573] vfs_get_tree+0x88/0x270
[ 273.677640][ T4573] do_new_mount+0x24a/0xa40
[ 273.682348][ T4573] __se_sys_mount+0x2d6/0x3c0
[ 273.687611][ T4573] ? __x64_sys_mount+0xc0/0xc0
[ 273.692891][ T4573] ? lockdep_hardirqs_on+0x94/0x140
[ 273.698466][ T4573] ? __x64_sys_mount+0x1c/0xc0
[ 273.704039][ T4573] do_syscall_64+0x4c/0xa0
[ 273.708648][ T4573] ? clear_bhb_loop+0x30/0x80
[ 273.713701][ T4573] ? clear_bhb_loop+0x30/0x80
[ 273.718663][ T4573] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 273.724964][ T4573] RIP: 0033:0x7f46f801038a
[ 273.729789][ T4573] 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
[ 273.750653][ T4573] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.759377][ T4573] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 273.767838][ T4573] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 273.776451][ T4573] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 273.784726][ T4573] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 273.793290][ T4573] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 273.802280][ T4573]
[ 273.806553][ T4573] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.820851][ T4573] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.169992][ T4574] loop1: detected capacity change from 0 to 32768
[ 274.279388][ T4574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.289831][ T4574] CPU: 1 PID: 4574 Comm: syz.1.189 Not tainted 5.15.189-syzkaller #0
[ 274.298990][ T4574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 274.309751][ T4574] Call Trace:
[ 274.313272][ T4574]
[ 274.316272][ T4574] dump_stack_lvl+0x168/0x230
[ 274.321578][ T4574] ? show_regs_print_info+0x20/0x20
[ 274.326921][ T4574] ? load_image+0x3b0/0x3b0
[ 274.331847][ T4574] sysfs_create_dir_ns+0x252/0x280
[ 274.337356][ T4574] ? __lock_acquire+0x7c60/0x7c60
[ 274.343398][ T4574] ? sysfs_warn_dup+0xa0/0xa0
[ 274.348748][ T4574] ? do_raw_spin_unlock+0x11d/0x230
[ 274.354553][ T4574] kobject_add_internal+0x662/0xd00
[ 274.360039][ T4574] kobject_init_and_add+0x122/0x190
[ 274.365643][ T4574] ? lockdep_softirqs_off+0x420/0x420
[ 274.371409][ T4574] ? kobject_add+0x210/0x210
[ 274.376592][ T4574] ? __init_swait_queue_head+0xa5/0x150
[ 274.382359][ T4574] gfs2_sys_fs_add+0x234/0x480
[ 274.387153][ T4574] ? gfs2_recover_set+0x240/0x240
[ 274.392290][ T4574] ? snprintf+0xd7/0x120
[ 274.396640][ T4574] ? __free_pages+0x95/0x1a0
[ 274.401249][ T4574] ? vscnprintf+0x80/0x80
[ 274.406228][ T4574] gfs2_fill_super+0x128d/0x1f50
[ 274.411667][ T4574] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.418832][ T4574] ? preempt_count_add+0x8d/0x190
[ 274.424711][ T4574] ? sb_set_blocksize+0xa5/0xe0
[ 274.429594][ T4574] get_tree_bdev+0x3f1/0x610
[ 274.434618][ T4574] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.441115][ T4574] gfs2_get_tree+0x4d/0x1e0
[ 274.446063][ T4574] vfs_get_tree+0x88/0x270
[ 274.451369][ T4574] do_new_mount+0x24a/0xa40
[ 274.456956][ T4574] __se_sys_mount+0x2d6/0x3c0
[ 274.461905][ T4574] ? __x64_sys_mount+0xc0/0xc0
[ 274.467391][ T4574] ? lockdep_hardirqs_on+0x94/0x140
[ 274.474439][ T4574] ? __x64_sys_mount+0x1c/0xc0
[ 274.480427][ T4574] do_syscall_64+0x4c/0xa0
[ 274.485675][ T4574] ? clear_bhb_loop+0x30/0x80
[ 274.490651][ T4574] ? clear_bhb_loop+0x30/0x80
[ 274.496894][ T4574] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.503553][ T4574] RIP: 0033:0x7f46f801038a
[ 274.512169][ T4574] 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
[ 274.533304][ T4574] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.542499][ T4574] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 274.551750][ T4574] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 274.560311][ T4574] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 274.568624][ T4574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 274.579978][ T4574] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 274.588908][ T4574]
[ 274.593028][ T4574] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.607412][ T4574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.992731][ T4575] loop1: detected capacity change from 0 to 32768
[ 275.046537][ T4575] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.054311][ T4575] CPU: 1 PID: 4575 Comm: syz.1.190 Not tainted 5.15.189-syzkaller #0
[ 275.062598][ T4575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 275.073027][ T4575] Call Trace:
[ 275.076678][ T4575]
[ 275.079763][ T4575] dump_stack_lvl+0x168/0x230
[ 275.084587][ T4575] ? show_regs_print_info+0x20/0x20
[ 275.089999][ T4575] ? load_image+0x3b0/0x3b0
[ 275.094751][ T4575] sysfs_create_dir_ns+0x252/0x280
[ 275.099999][ T4575] ? __lock_acquire+0x7c60/0x7c60
[ 275.105098][ T4575] ? sysfs_warn_dup+0xa0/0xa0
[ 275.109918][ T4575] ? do_raw_spin_unlock+0x11d/0x230
[ 275.115686][ T4575] kobject_add_internal+0x662/0xd00
[ 275.121205][ T4575] kobject_init_and_add+0x122/0x190
[ 275.126516][ T4575] ? lockdep_softirqs_off+0x420/0x420
[ 275.132180][ T4575] ? kobject_add+0x210/0x210
[ 275.136796][ T4575] ? __init_swait_queue_head+0xa5/0x150
[ 275.142677][ T4575] gfs2_sys_fs_add+0x234/0x480
[ 275.148860][ T4575] ? gfs2_recover_set+0x240/0x240
[ 275.156753][ T4575] ? snprintf+0xd7/0x120
[ 275.161281][ T4575] ? __free_pages+0x95/0x1a0
[ 275.165980][ T4575] ? vscnprintf+0x80/0x80
[ 275.170597][ T4575] gfs2_fill_super+0x128d/0x1f50
[ 275.176130][ T4575] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.181461][ T4575] ? preempt_count_add+0x8d/0x190
[ 275.187042][ T4575] ? sb_set_blocksize+0xa5/0xe0
[ 275.192007][ T4575] get_tree_bdev+0x3f1/0x610
[ 275.196706][ T4575] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.201911][ T4575] gfs2_get_tree+0x4d/0x1e0
[ 275.206579][ T4575] vfs_get_tree+0x88/0x270
[ 275.211065][ T4575] do_new_mount+0x24a/0xa40
[ 275.215750][ T4575] __se_sys_mount+0x2d6/0x3c0
[ 275.220475][ T4575] ? __x64_sys_mount+0xc0/0xc0
[ 275.225433][ T4575] ? lockdep_hardirqs_on+0x94/0x140
[ 275.231089][ T4575] ? __x64_sys_mount+0x1c/0xc0
[ 275.236361][ T4575] do_syscall_64+0x4c/0xa0
[ 275.240823][ T4575] ? clear_bhb_loop+0x30/0x80
[ 275.245575][ T4575] ? clear_bhb_loop+0x30/0x80
[ 275.250717][ T4575] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 275.257069][ T4575] RIP: 0033:0x7f46f801038a
[ 275.261692][ T4575] 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
[ 275.282559][ T4575] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.292150][ T4575] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 275.300387][ T4575] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 275.309093][ T4575] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 275.317459][ T4575] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 275.326055][ T4575] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 275.334509][ T4575]
[ 275.338672][ T4575] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.353004][ T4575] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.710408][ T4576] loop1: detected capacity change from 0 to 32768
[ 275.732223][ T4576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.743047][ T4576] CPU: 1 PID: 4576 Comm: syz.1.191 Not tainted 5.15.189-syzkaller #0
[ 275.751512][ T4576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 275.762205][ T4576] Call Trace:
[ 275.765507][ T4576]
[ 275.768679][ T4576] dump_stack_lvl+0x168/0x230
[ 275.773776][ T4576] ? show_regs_print_info+0x20/0x20
[ 275.779385][ T4576] ? load_image+0x3b0/0x3b0
[ 275.784110][ T4576] sysfs_create_dir_ns+0x252/0x280
[ 275.789642][ T4576] ? __lock_acquire+0x7c60/0x7c60
[ 275.794705][ T4576] ? sysfs_warn_dup+0xa0/0xa0
[ 275.800015][ T4576] ? do_raw_spin_unlock+0x11d/0x230
[ 275.805644][ T4576] kobject_add_internal+0x662/0xd00
[ 275.810971][ T4576] kobject_init_and_add+0x122/0x190
[ 275.816416][ T4576] ? lockdep_softirqs_off+0x420/0x420
[ 275.822036][ T4576] ? kobject_add+0x210/0x210
[ 275.826993][ T4576] ? __init_swait_queue_head+0xa5/0x150
[ 275.832729][ T4576] gfs2_sys_fs_add+0x234/0x480
[ 275.838091][ T4576] ? gfs2_recover_set+0x240/0x240
[ 275.843159][ T4576] ? snprintf+0xd7/0x120
[ 275.847426][ T4576] ? __free_pages+0x95/0x1a0
[ 275.852563][ T4576] ? vscnprintf+0x80/0x80
[ 275.857091][ T4576] gfs2_fill_super+0x128d/0x1f50
[ 275.862167][ T4576] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.867575][ T4576] ? preempt_count_add+0x8d/0x190
[ 275.872615][ T4576] ? sb_set_blocksize+0xa5/0xe0
[ 275.877648][ T4576] get_tree_bdev+0x3f1/0x610
[ 275.882267][ T4576] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.887416][ T4576] gfs2_get_tree+0x4d/0x1e0
[ 275.892232][ T4576] vfs_get_tree+0x88/0x270
[ 275.897072][ T4576] do_new_mount+0x24a/0xa40
[ 275.901705][ T4576] __se_sys_mount+0x2d6/0x3c0
[ 275.906396][ T4576] ? __x64_sys_mount+0xc0/0xc0
[ 275.911285][ T4576] ? lockdep_hardirqs_on+0x94/0x140
[ 275.916683][ T4576] ? __x64_sys_mount+0x1c/0xc0
[ 275.921698][ T4576] do_syscall_64+0x4c/0xa0
[ 275.926508][ T4576] ? clear_bhb_loop+0x30/0x80
[ 275.931295][ T4576] ? clear_bhb_loop+0x30/0x80
[ 275.936455][ T4576] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 275.942692][ T4576] RIP: 0033:0x7f46f801038a
[ 275.947386][ T4576] 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
[ 275.967696][ T4576] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.976993][ T4576] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 275.985324][ T4576] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 275.993661][ T4576] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 276.002161][ T4576] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 276.011117][ T4576] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 276.019295][ T4576]
[ 276.023660][ T4576] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.037932][ T4576] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.400849][ T4577] loop1: detected capacity change from 0 to 32768
[ 276.449240][ T4577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.457482][ T4577] CPU: 0 PID: 4577 Comm: syz.1.192 Not tainted 5.15.189-syzkaller #0
[ 276.466040][ T4577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 276.476881][ T4577] Call Trace:
[ 276.480196][ T4577]
[ 276.483403][ T4577] dump_stack_lvl+0x168/0x230
[ 276.488488][ T4577] ? show_regs_print_info+0x20/0x20
[ 276.493822][ T4577] ? load_image+0x3b0/0x3b0
[ 276.498639][ T4577] sysfs_create_dir_ns+0x252/0x280
[ 276.503960][ T4577] ? __lock_acquire+0x7c60/0x7c60
[ 276.509266][ T4577] ? sysfs_warn_dup+0xa0/0xa0
[ 276.514239][ T4577] ? do_raw_spin_unlock+0x11d/0x230
[ 276.520024][ T4577] kobject_add_internal+0x662/0xd00
[ 276.525386][ T4577] kobject_init_and_add+0x122/0x190
[ 276.530781][ T4577] ? lockdep_softirqs_off+0x420/0x420
[ 276.536499][ T4577] ? kobject_add+0x210/0x210
[ 276.541415][ T4577] ? __init_swait_queue_head+0xa5/0x150
[ 276.547362][ T4577] gfs2_sys_fs_add+0x234/0x480
[ 276.552316][ T4577] ? gfs2_recover_set+0x240/0x240
[ 276.557866][ T4577] ? snprintf+0xd7/0x120
[ 276.562207][ T4577] ? __free_pages+0x95/0x1a0
[ 276.566887][ T4577] ? vscnprintf+0x80/0x80
[ 276.571596][ T4577] gfs2_fill_super+0x128d/0x1f50
[ 276.576542][ T4577] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.581593][ T4577] ? preempt_count_add+0x8d/0x190
[ 276.586795][ T4577] ? sb_set_blocksize+0xa5/0xe0
[ 276.591882][ T4577] get_tree_bdev+0x3f1/0x610
[ 276.596508][ T4577] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.601791][ T4577] gfs2_get_tree+0x4d/0x1e0
[ 276.606475][ T4577] vfs_get_tree+0x88/0x270
[ 276.610986][ T4577] do_new_mount+0x24a/0xa40
[ 276.615603][ T4577] __se_sys_mount+0x2d6/0x3c0
[ 276.620371][ T4577] ? __x64_sys_mount+0xc0/0xc0
[ 276.625536][ T4577] ? lockdep_hardirqs_on+0x94/0x140
[ 276.630853][ T4577] ? __x64_sys_mount+0x1c/0xc0
[ 276.635703][ T4577] do_syscall_64+0x4c/0xa0
[ 276.640296][ T4577] ? clear_bhb_loop+0x30/0x80
[ 276.645294][ T4577] ? clear_bhb_loop+0x30/0x80
[ 276.650228][ T4577] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 276.656231][ T4577] RIP: 0033:0x7f46f801038a
[ 276.660989][ T4577] 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
[ 276.681921][ T4577] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.690549][ T4577] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 276.698946][ T4577] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 276.707422][ T4577] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 276.715842][ T4577] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 276.724664][ T4577] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 276.732927][ T4577]
[ 276.738262][ T4577] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.752584][ T4577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.143092][ T4578] loop1: detected capacity change from 0 to 32768
[ 277.209928][ T4578] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.217954][ T4578] CPU: 0 PID: 4578 Comm: syz.1.193 Not tainted 5.15.189-syzkaller #0
[ 277.226329][ T4578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 277.237125][ T4578] Call Trace:
[ 277.240615][ T4578]
[ 277.243753][ T4578] dump_stack_lvl+0x168/0x230
[ 277.248565][ T4578] ? show_regs_print_info+0x20/0x20
[ 277.254671][ T4578] ? load_image+0x3b0/0x3b0
[ 277.259430][ T4578] sysfs_create_dir_ns+0x252/0x280
[ 277.265294][ T4578] ? __lock_acquire+0x7c60/0x7c60
[ 277.270718][ T4578] ? sysfs_warn_dup+0xa0/0xa0
[ 277.275630][ T4578] ? do_raw_spin_unlock+0x11d/0x230
[ 277.281223][ T4578] kobject_add_internal+0x662/0xd00
[ 277.286563][ T4578] kobject_init_and_add+0x122/0x190
[ 277.292098][ T4578] ? lockdep_softirqs_off+0x420/0x420
[ 277.297960][ T4578] ? kobject_add+0x210/0x210
[ 277.302710][ T4578] ? __init_swait_queue_head+0xa5/0x150
[ 277.308415][ T4578] gfs2_sys_fs_add+0x234/0x480
[ 277.313419][ T4578] ? gfs2_recover_set+0x240/0x240
[ 277.319014][ T4578] ? snprintf+0xd7/0x120
[ 277.323512][ T4578] ? __free_pages+0x95/0x1a0
[ 277.328317][ T4578] ? vscnprintf+0x80/0x80
[ 277.332880][ T4578] gfs2_fill_super+0x128d/0x1f50
[ 277.338057][ T4578] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.343568][ T4578] ? preempt_count_add+0x8d/0x190
[ 277.349037][ T4578] ? sb_set_blocksize+0xa5/0xe0
[ 277.354433][ T4578] get_tree_bdev+0x3f1/0x610
[ 277.359324][ T4578] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.364802][ T4578] gfs2_get_tree+0x4d/0x1e0
[ 277.369410][ T4578] vfs_get_tree+0x88/0x270
[ 277.374263][ T4578] do_new_mount+0x24a/0xa40
[ 277.380010][ T4578] __se_sys_mount+0x2d6/0x3c0
[ 277.385304][ T4578] ? __x64_sys_mount+0xc0/0xc0
[ 277.390319][ T4578] ? lockdep_hardirqs_on+0x94/0x140
[ 277.396006][ T4578] ? __x64_sys_mount+0x1c/0xc0
[ 277.401090][ T4578] do_syscall_64+0x4c/0xa0
[ 277.405608][ T4578] ? clear_bhb_loop+0x30/0x80
[ 277.410551][ T4578] ? clear_bhb_loop+0x30/0x80
[ 277.416334][ T4578] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.422833][ T4578] RIP: 0033:0x7f46f801038a
[ 277.427374][ T4578] 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
[ 277.449475][ T4578] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.458633][ T4578] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 277.467164][ T4578] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 277.476309][ T4578] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 277.485298][ T4578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 277.493723][ T4578] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 277.502246][ T4578]
[ 277.508167][ T4578] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.523225][ T4578] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/08/26 08:37:02 executed programs: 179
[ 277.899682][ T4579] loop1: detected capacity change from 0 to 32768
[ 277.980025][ T4579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.988032][ T4579] CPU: 0 PID: 4579 Comm: syz.1.194 Not tainted 5.15.189-syzkaller #0
[ 277.996309][ T4579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 278.006812][ T4579] Call Trace:
[ 278.010313][ T4579]
[ 278.013295][ T4579] dump_stack_lvl+0x168/0x230
[ 278.018626][ T4579] ? show_regs_print_info+0x20/0x20
[ 278.023893][ T4579] ? load_image+0x3b0/0x3b0
[ 278.028649][ T4579] sysfs_create_dir_ns+0x252/0x280
[ 278.034263][ T4579] ? __lock_acquire+0x7c60/0x7c60
[ 278.039594][ T4579] ? sysfs_warn_dup+0xa0/0xa0
[ 278.044390][ T4579] ? do_raw_spin_unlock+0x11d/0x230
[ 278.049990][ T4579] kobject_add_internal+0x662/0xd00
[ 278.055461][ T4579] kobject_init_and_add+0x122/0x190
[ 278.061002][ T4579] ? lockdep_softirqs_off+0x420/0x420
[ 278.066487][ T4579] ? kobject_add+0x210/0x210
[ 278.071296][ T4579] ? __init_swait_queue_head+0xa5/0x150
[ 278.077039][ T4579] gfs2_sys_fs_add+0x234/0x480
[ 278.081910][ T4579] ? gfs2_recover_set+0x240/0x240
[ 278.087479][ T4579] ? snprintf+0xd7/0x120
[ 278.092737][ T4579] ? __free_pages+0x95/0x1a0
[ 278.097614][ T4579] ? vscnprintf+0x80/0x80
[ 278.102072][ T4579] gfs2_fill_super+0x128d/0x1f50
[ 278.107213][ T4579] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.112661][ T4579] ? preempt_count_add+0x8d/0x190
[ 278.118097][ T4579] ? sb_set_blocksize+0xa5/0xe0
[ 278.123060][ T4579] get_tree_bdev+0x3f1/0x610
[ 278.128040][ T4579] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.133798][ T4579] gfs2_get_tree+0x4d/0x1e0
[ 278.138845][ T4579] vfs_get_tree+0x88/0x270
[ 278.143815][ T4579] do_new_mount+0x24a/0xa40
[ 278.148517][ T4579] __se_sys_mount+0x2d6/0x3c0
[ 278.153495][ T4579] ? __x64_sys_mount+0xc0/0xc0
[ 278.158279][ T4579] ? lockdep_hardirqs_on+0x94/0x140
[ 278.163879][ T4579] ? __x64_sys_mount+0x1c/0xc0
[ 278.168931][ T4579] do_syscall_64+0x4c/0xa0
[ 278.173468][ T4579] ? clear_bhb_loop+0x30/0x80
[ 278.178872][ T4579] ? clear_bhb_loop+0x30/0x80
[ 278.183981][ T4579] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 278.190448][ T4579] RIP: 0033:0x7f46f801038a
[ 278.195232][ T4579] 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
[ 278.215629][ T4579] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.224398][ T4579] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 278.233372][ T4579] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 278.242137][ T4579] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 278.251383][ T4579] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 278.260281][ T4579] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 278.268360][ T4579]
[ 278.273696][ T4579] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.289528][ T4579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.664479][ T4580] loop1: detected capacity change from 0 to 32768
[ 278.686547][ T4580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.694792][ T4580] CPU: 0 PID: 4580 Comm: syz.1.195 Not tainted 5.15.189-syzkaller #0
[ 278.703950][ T4580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 278.714732][ T4580] Call Trace:
[ 278.718226][ T4580]
[ 278.721544][ T4580] dump_stack_lvl+0x168/0x230
[ 278.726744][ T4580] ? show_regs_print_info+0x20/0x20
[ 278.733066][ T4580] ? load_image+0x3b0/0x3b0
[ 278.737902][ T4580] sysfs_create_dir_ns+0x252/0x280
[ 278.743491][ T4580] ? __lock_acquire+0x7c60/0x7c60
[ 278.748848][ T4580] ? sysfs_warn_dup+0xa0/0xa0
[ 278.753908][ T4580] ? do_raw_spin_unlock+0x11d/0x230
[ 278.759598][ T4580] kobject_add_internal+0x662/0xd00
[ 278.765277][ T4580] kobject_init_and_add+0x122/0x190
[ 278.771034][ T4580] ? lockdep_softirqs_off+0x420/0x420
[ 278.776780][ T4580] ? kobject_add+0x210/0x210
[ 278.781800][ T4580] ? __init_swait_queue_head+0xa5/0x150
[ 278.787692][ T4580] gfs2_sys_fs_add+0x234/0x480
[ 278.793271][ T4580] ? gfs2_recover_set+0x240/0x240
[ 278.798442][ T4580] ? snprintf+0xd7/0x120
[ 278.803028][ T4580] ? __free_pages+0x95/0x1a0
[ 278.808166][ T4580] ? vscnprintf+0x80/0x80
[ 278.812981][ T4580] gfs2_fill_super+0x128d/0x1f50
[ 278.818462][ T4580] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.823527][ T4580] ? preempt_count_add+0x8d/0x190
[ 278.829874][ T4580] ? sb_set_blocksize+0xa5/0xe0
[ 278.835142][ T4580] get_tree_bdev+0x3f1/0x610
[ 278.840140][ T4580] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.845541][ T4580] gfs2_get_tree+0x4d/0x1e0
[ 278.850169][ T4580] vfs_get_tree+0x88/0x270
[ 278.854885][ T4580] do_new_mount+0x24a/0xa40
[ 278.859414][ T4580] __se_sys_mount+0x2d6/0x3c0
[ 278.864629][ T4580] ? __x64_sys_mount+0xc0/0xc0
[ 278.869783][ T4580] ? lockdep_hardirqs_on+0x94/0x140
[ 278.875386][ T4580] ? __x64_sys_mount+0x1c/0xc0
[ 278.880310][ T4580] do_syscall_64+0x4c/0xa0
[ 278.885261][ T4580] ? clear_bhb_loop+0x30/0x80
[ 278.889944][ T4580] ? clear_bhb_loop+0x30/0x80
[ 278.895233][ T4580] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 278.901628][ T4580] RIP: 0033:0x7f46f801038a
[ 278.906242][ T4580] 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
[ 278.927592][ T4580] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.936830][ T4580] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 278.945359][ T4580] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 278.953509][ T4580] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 278.961894][ T4580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 278.970326][ T4580] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 278.978770][ T4580]
[ 278.984692][ T4580] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.004230][ T4580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.355528][ T4581] loop1: detected capacity change from 0 to 32768
[ 279.410158][ T4581] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.418331][ T4581] CPU: 1 PID: 4581 Comm: syz.1.196 Not tainted 5.15.189-syzkaller #0
[ 279.426954][ T4581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 279.437356][ T4581] Call Trace:
[ 279.440677][ T4581]
[ 279.444103][ T4581] dump_stack_lvl+0x168/0x230
[ 279.449156][ T4581] ? show_regs_print_info+0x20/0x20
[ 279.454645][ T4581] ? load_image+0x3b0/0x3b0
[ 279.459214][ T4581] sysfs_create_dir_ns+0x252/0x280
[ 279.464975][ T4581] ? __lock_acquire+0x7c60/0x7c60
[ 279.472742][ T4581] ? sysfs_warn_dup+0xa0/0xa0
[ 279.478669][ T4581] ? do_raw_spin_unlock+0x11d/0x230
[ 279.484417][ T4581] kobject_add_internal+0x662/0xd00
[ 279.489845][ T4581] kobject_init_and_add+0x122/0x190
[ 279.495339][ T4581] ? lockdep_softirqs_off+0x420/0x420
[ 279.500994][ T4581] ? kobject_add+0x210/0x210
[ 279.506166][ T4581] ? __init_swait_queue_head+0xa5/0x150
[ 279.512276][ T4581] gfs2_sys_fs_add+0x234/0x480
[ 279.517343][ T4581] ? gfs2_recover_set+0x240/0x240
[ 279.523062][ T4581] ? snprintf+0xd7/0x120
[ 279.527425][ T4581] ? __free_pages+0x95/0x1a0
[ 279.532462][ T4581] ? vscnprintf+0x80/0x80
[ 279.537040][ T4581] gfs2_fill_super+0x128d/0x1f50
[ 279.542599][ T4581] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.548158][ T4581] ? preempt_count_add+0x8d/0x190
[ 279.553479][ T4581] ? sb_set_blocksize+0xa5/0xe0
[ 279.558634][ T4581] get_tree_bdev+0x3f1/0x610
[ 279.563494][ T4581] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.568999][ T4581] gfs2_get_tree+0x4d/0x1e0
[ 279.574002][ T4581] vfs_get_tree+0x88/0x270
[ 279.578781][ T4581] do_new_mount+0x24a/0xa40
[ 279.583558][ T4581] __se_sys_mount+0x2d6/0x3c0
[ 279.588519][ T4581] ? __x64_sys_mount+0xc0/0xc0
[ 279.593557][ T4581] ? lockdep_hardirqs_on+0x94/0x140
[ 279.598902][ T4581] ? __x64_sys_mount+0x1c/0xc0
[ 279.603858][ T4581] do_syscall_64+0x4c/0xa0
[ 279.608550][ T4581] ? clear_bhb_loop+0x30/0x80
[ 279.613526][ T4581] ? clear_bhb_loop+0x30/0x80
[ 279.618465][ T4581] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.624459][ T4581] RIP: 0033:0x7f46f801038a
[ 279.628997][ T4581] 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
[ 279.650682][ T4581] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.660114][ T4581] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 279.668665][ T4581] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 279.677094][ T4581] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 279.685527][ T4581] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 279.695286][ T4581] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 279.703543][ T4581]
[ 279.707502][ T4581] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.721872][ T4581] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.074659][ T4582] loop1: detected capacity change from 0 to 32768
[ 280.118922][ T4582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.127517][ T4582] CPU: 1 PID: 4582 Comm: syz.1.197 Not tainted 5.15.189-syzkaller #0
[ 280.136244][ T4582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 280.146630][ T4582] Call Trace:
[ 280.150034][ T4582]
[ 280.153001][ T4582] dump_stack_lvl+0x168/0x230
[ 280.157738][ T4582] ? show_regs_print_info+0x20/0x20
[ 280.163426][ T4582] ? load_image+0x3b0/0x3b0
[ 280.168427][ T4582] sysfs_create_dir_ns+0x252/0x280
[ 280.173926][ T4582] ? __lock_acquire+0x7c60/0x7c60
[ 280.179340][ T4582] ? sysfs_warn_dup+0xa0/0xa0
[ 280.184102][ T4582] ? do_raw_spin_unlock+0x11d/0x230
[ 280.189432][ T4582] kobject_add_internal+0x662/0xd00
[ 280.195372][ T4582] kobject_init_and_add+0x122/0x190
[ 280.200931][ T4582] ? lockdep_softirqs_off+0x420/0x420
[ 280.206583][ T4582] ? kobject_add+0x210/0x210
[ 280.211901][ T4582] ? __init_swait_queue_head+0xa5/0x150
[ 280.217851][ T4582] gfs2_sys_fs_add+0x234/0x480
[ 280.222739][ T4582] ? gfs2_recover_set+0x240/0x240
[ 280.228436][ T4582] ? snprintf+0xd7/0x120
[ 280.232998][ T4582] ? __free_pages+0x95/0x1a0
[ 280.238076][ T4582] ? vscnprintf+0x80/0x80
[ 280.242715][ T4582] gfs2_fill_super+0x128d/0x1f50
[ 280.248000][ T4582] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.253411][ T4582] ? preempt_count_add+0x8d/0x190
[ 280.258684][ T4582] ? sb_set_blocksize+0xa5/0xe0
[ 280.264173][ T4582] get_tree_bdev+0x3f1/0x610
[ 280.269061][ T4582] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.274548][ T4582] gfs2_get_tree+0x4d/0x1e0
[ 280.279247][ T4582] vfs_get_tree+0x88/0x270
[ 280.283772][ T4582] do_new_mount+0x24a/0xa40
[ 280.288470][ T4582] __se_sys_mount+0x2d6/0x3c0
[ 280.293523][ T4582] ? __x64_sys_mount+0xc0/0xc0
[ 280.298556][ T4582] ? lockdep_hardirqs_on+0x94/0x140
[ 280.304061][ T4582] ? __x64_sys_mount+0x1c/0xc0
[ 280.309313][ T4582] do_syscall_64+0x4c/0xa0
[ 280.313748][ T4582] ? clear_bhb_loop+0x30/0x80
[ 280.319211][ T4582] ? clear_bhb_loop+0x30/0x80
[ 280.351617][ T4582] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 280.358037][ T4582] RIP: 0033:0x7f46f801038a
[ 280.363087][ T4582] 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
[ 280.383478][ T4582] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.392368][ T4582] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 280.400557][ T4582] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 280.408628][ T4582] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 280.416961][ T4582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 280.425688][ T4582] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 280.434472][ T4582]
[ 280.438958][ T4582] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.453258][ T4582] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.817258][ T4583] loop1: detected capacity change from 0 to 32768
[ 280.866580][ T4583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.874548][ T4583] CPU: 1 PID: 4583 Comm: syz.1.198 Not tainted 5.15.189-syzkaller #0
[ 280.882996][ T4583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 280.893266][ T4583] Call Trace:
[ 280.896679][ T4583]
[ 280.899644][ T4583] dump_stack_lvl+0x168/0x230
[ 280.905015][ T4583] ? show_regs_print_info+0x20/0x20
[ 280.910422][ T4583] ? load_image+0x3b0/0x3b0
[ 280.915405][ T4583] sysfs_create_dir_ns+0x252/0x280
[ 280.921075][ T4583] ? __lock_acquire+0x7c60/0x7c60
[ 280.926567][ T4583] ? sysfs_warn_dup+0xa0/0xa0
[ 280.931724][ T4583] ? do_raw_spin_unlock+0x11d/0x230
[ 280.937045][ T4583] kobject_add_internal+0x662/0xd00
[ 280.942735][ T4583] kobject_init_and_add+0x122/0x190
[ 280.948236][ T4583] ? lockdep_softirqs_off+0x420/0x420
[ 280.954071][ T4583] ? kobject_add+0x210/0x210
[ 280.958879][ T4583] ? __init_swait_queue_head+0xa5/0x150
[ 280.964725][ T4583] gfs2_sys_fs_add+0x234/0x480
[ 280.969765][ T4583] ? gfs2_recover_set+0x240/0x240
[ 280.975072][ T4583] ? snprintf+0xd7/0x120
[ 280.979338][ T4583] ? __free_pages+0x95/0x1a0
[ 280.984496][ T4583] ? vscnprintf+0x80/0x80
[ 280.989324][ T4583] gfs2_fill_super+0x128d/0x1f50
[ 280.994726][ T4583] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.000200][ T4583] ? preempt_count_add+0x8d/0x190
[ 281.005830][ T4583] ? sb_set_blocksize+0xa5/0xe0
[ 281.010880][ T4583] get_tree_bdev+0x3f1/0x610
[ 281.015559][ T4583] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.020856][ T4583] gfs2_get_tree+0x4d/0x1e0
[ 281.025538][ T4583] vfs_get_tree+0x88/0x270
[ 281.030044][ T4583] do_new_mount+0x24a/0xa40
[ 281.034946][ T4583] __se_sys_mount+0x2d6/0x3c0
[ 281.039899][ T4583] ? __x64_sys_mount+0xc0/0xc0
[ 281.044973][ T4583] ? lockdep_hardirqs_on+0x94/0x140
[ 281.050355][ T4583] ? __x64_sys_mount+0x1c/0xc0
[ 281.055317][ T4583] do_syscall_64+0x4c/0xa0
[ 281.060571][ T4583] ? clear_bhb_loop+0x30/0x80
[ 281.065701][ T4583] ? clear_bhb_loop+0x30/0x80
[ 281.071196][ T4583] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 281.077759][ T4583] RIP: 0033:0x7f46f801038a
[ 281.082474][ T4583] 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
[ 281.103742][ T4583] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.112414][ T4583] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 281.120867][ T4583] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 281.128936][ T4583] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 281.137268][ T4583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 281.145993][ T4583] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 281.154093][ T4583]
[ 281.158070][ T4583] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.173508][ T4583] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.517614][ T4584] loop1: detected capacity change from 0 to 32768
[ 281.569828][ T4584] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.577508][ T4584] CPU: 0 PID: 4584 Comm: syz.1.199 Not tainted 5.15.189-syzkaller #0
[ 281.586344][ T4584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 281.596881][ T4584] Call Trace:
[ 281.600546][ T4584]
[ 281.603631][ T4584] dump_stack_lvl+0x168/0x230
[ 281.608716][ T4584] ? show_regs_print_info+0x20/0x20
[ 281.614574][ T4584] ? load_image+0x3b0/0x3b0
[ 281.619132][ T4584] sysfs_create_dir_ns+0x252/0x280
[ 281.624288][ T4584] ? __lock_acquire+0x7c60/0x7c60
[ 281.629344][ T4584] ? sysfs_warn_dup+0xa0/0xa0
[ 281.634186][ T4584] ? do_raw_spin_unlock+0x11d/0x230
[ 281.639722][ T4584] kobject_add_internal+0x662/0xd00
[ 281.645221][ T4584] kobject_init_and_add+0x122/0x190
[ 281.650558][ T4584] ? lockdep_softirqs_off+0x420/0x420
[ 281.656909][ T4584] ? kobject_add+0x210/0x210
[ 281.661702][ T4584] ? __init_swait_queue_head+0xa5/0x150
[ 281.667794][ T4584] gfs2_sys_fs_add+0x234/0x480
[ 281.673470][ T4584] ? gfs2_recover_set+0x240/0x240
[ 281.679250][ T4584] ? snprintf+0xd7/0x120
[ 281.683944][ T4584] ? __free_pages+0x95/0x1a0
[ 281.689249][ T4584] ? vscnprintf+0x80/0x80
[ 281.694027][ T4584] gfs2_fill_super+0x128d/0x1f50
[ 281.699650][ T4584] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.704790][ T4584] ? preempt_count_add+0x8d/0x190
[ 281.710366][ T4584] ? sb_set_blocksize+0xa5/0xe0
[ 281.716046][ T4584] get_tree_bdev+0x3f1/0x610
[ 281.720963][ T4584] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.726480][ T4584] gfs2_get_tree+0x4d/0x1e0
[ 281.731341][ T4584] vfs_get_tree+0x88/0x270
[ 281.736044][ T4584] do_new_mount+0x24a/0xa40
[ 281.740782][ T4584] __se_sys_mount+0x2d6/0x3c0
[ 281.745961][ T4584] ? __x64_sys_mount+0xc0/0xc0
[ 281.751278][ T4584] ? lockdep_hardirqs_on+0x94/0x140
[ 281.756582][ T4584] ? __x64_sys_mount+0x1c/0xc0
[ 281.761913][ T4584] do_syscall_64+0x4c/0xa0
[ 281.766796][ T4584] ? clear_bhb_loop+0x30/0x80
[ 281.773298][ T4584] ? clear_bhb_loop+0x30/0x80
[ 281.778454][ T4584] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 281.784483][ T4584] RIP: 0033:0x7f46f801038a
[ 281.789268][ T4584] 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
[ 281.811254][ T4584] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.820212][ T4584] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 281.828674][ T4584] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 281.837363][ T4584] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 281.846016][ T4584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 281.855125][ T4584] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 281.863854][ T4584]
[ 281.869229][ T4584] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.883936][ T4584] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.056512][ T27] INFO: task syz.0.17:4368 blocked for more than 143 seconds.
[ 282.064424][ T27] Not tainted 5.15.189-syzkaller #0
[ 282.070929][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 282.081369][ T27] task:syz.0.17 state:D stack:23392 pid: 4368 ppid: 4305 flags:0x00004004
[ 282.098815][ T27] Call Trace:
[ 282.102759][ T27]
[ 282.105736][ T27] __schedule+0x11b8/0x43b0
[ 282.113401][ T27] ? mark_lock+0x94/0x320
[ 282.128725][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 282.134976][ T27] ? lock_chain_count+0x20/0x20
[ 282.140557][ T27] ? release_firmware_map_entry+0x190/0x190
[ 282.149389][ T27] ? _raw_spin_lock_irqsave+0xb0/0xf0
[ 282.154839][ T27] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 282.161154][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 282.169042][ T27] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 282.175194][ T27] schedule+0x11b/0x1e0
[ 282.180836][ T27] bit_wait+0xd/0xc0
[ 282.184866][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 282.193515][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 282.199851][ T27] ? __wait_on_bit+0x170/0x170
[ 282.204962][ T27] ? bit_waitqueue+0x30/0x30
[ 282.213519][ T27] gfs2_glock_wait+0xd9/0x1c0
[ 282.218781][ T27] gfs2_statfs_init+0xf9/0x490
[ 282.223753][ T27] ? gfs2_glock_wait+0x136/0x1c0
[ 282.231592][ T27] ? gfs2_statfs_change_out+0xe0/0xe0
[ 282.237549][ T27] ? init_per_node+0x2be/0x3d0
[ 282.243038][ T27] ? gfs2_statfs_init+0xf1/0x490
[ 282.251258][ T27] ? init_inodes+0x26a/0x320
[ 282.255908][ T27] gfs2_fill_super+0x1749/0x1f50
[ 282.261531][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.269768][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 282.275034][ T27] ? preempt_count_add+0x8d/0x190
[ 282.281613][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 282.289124][ T27] get_tree_bdev+0x3f1/0x610
[ 282.293766][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.299801][ T27] gfs2_get_tree+0x4d/0x1e0
[ 282.304358][ T27] vfs_get_tree+0x88/0x270
[ 282.312491][ T27] do_new_mount+0x24a/0xa40
[ 282.320240][ T27] __se_sys_mount+0x2d6/0x3c0
[ 282.325445][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 282.333745][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 282.339631][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 282.344707][ T27] do_syscall_64+0x4c/0xa0
[ 282.351996][ T27] ? clear_bhb_loop+0x30/0x80
[ 282.357038][ T27] ? clear_bhb_loop+0x30/0x80
[ 282.362269][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.370949][ T27] RIP: 0033:0x7fe70fefe38a
[ 282.372094][ T4585] loop1: detected capacity change from 0 to 32768
[ 282.375483][ T27] RSP: 002b:00007ffe38594788 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.375519][ T27] RAX: ffffffffffffffda RBX: 00007ffe38594810 RCX: 00007fe70fefe38a
[ 282.375535][ T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe385947d0
[ 282.408681][ T27] RBP: 0000200000000400 R08: 00007ffe38594810 R09: 0000000000000000
[ 282.412803][ T4585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.417476][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 282.417497][ T27] R13: 00007ffe385947d0 R14: 00000000000125e1 R15: 00002000000000c0
[ 282.417528][ T27]
[ 282.433694][ T4585] CPU: 1 PID: 4585 Comm: syz.1.200 Not tainted 5.15.189-syzkaller #0
[ 282.435075][ T27]
[ 282.435075][ T27] Showing all locks held in the system:
[ 282.442192][ T4585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 282.442206][ T4585] Call Trace:
[ 282.442214][ T4585]
[ 282.442223][ T4585] dump_stack_lvl+0x168/0x230
[ 282.445692][ T27] 1 lock held by khungtaskd/27:
[ 282.454449][ T4585] ? show_regs_print_info+0x20/0x20
[ 282.454475][ T4585] ? load_image+0x3b0/0x3b0
[ 282.463093][ T27] #0:
[ 282.474799][ T4585] sysfs_create_dir_ns+0x252/0x280
[ 282.474840][ T4585] ? __lock_acquire+0x7c60/0x7c60
[ 282.474861][ T4585] ? sysfs_warn_dup+0xa0/0xa0
[ 282.474884][ T4585] ? do_raw_spin_unlock+0x11d/0x230
[ 282.474905][ T4585] kobject_add_internal+0x662/0xd00
[ 282.474932][ T4585] kobject_init_and_add+0x122/0x190
[ 282.474949][ T4585] ? lockdep_softirqs_off+0x420/0x420
[ 282.481259][ T27] ffffffff8c11c360
[ 282.481798][ T4585] ? kobject_add+0x210/0x210
[ 282.487846][ T27] (
[ 282.492270][ T4585] ? __init_swait_queue_head+0xa5/0x150
[ 282.497842][ T27] rcu_read_lock
[ 282.501987][ T4585] gfs2_sys_fs_add+0x234/0x480
[ 282.504752][ T27] ){....}-{1:2}
[ 282.510490][ T4585] ? gfs2_recover_set+0x240/0x240
[ 282.510527][ T4585] ? snprintf+0xd7/0x120
[ 282.510547][ T4585] ? __free_pages+0x95/0x1a0
[ 282.510570][ T4585] ? vscnprintf+0x80/0x80
[ 282.516863][ T27] , at: rcu_lock_acquire+0x0/0x30
[ 282.520754][ T4585] gfs2_fill_super+0x128d/0x1f50
[ 282.527385][ T27] 2 locks held by getty/3949:
[ 282.531986][ T4585] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.538055][ T27] #0:
[ 282.543281][ T4585] ? preempt_count_add+0x8d/0x190
[ 282.543317][ T4585] ? sb_set_blocksize+0xa5/0xe0
[ 282.547827][ T27] ffff88802bf49098
[ 282.552352][ T4585] get_tree_bdev+0x3f1/0x610
[ 282.554953][ T27] (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 282.560895][ T4585] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.560922][ T4585] gfs2_get_tree+0x4d/0x1e0
[ 282.560943][ T4585] vfs_get_tree+0x88/0x270
[ 282.565566][ T27] #1:
[ 282.569623][ T4585] do_new_mount+0x24a/0xa40
[ 282.569664][ T4585] __se_sys_mount+0x2d6/0x3c0
[ 282.569690][ T4585] ? __x64_sys_mount+0xc0/0xc0
[ 282.573741][ T27] ffffc900025e62e8
[ 282.578379][ T4585] ? lockdep_hardirqs_on+0x94/0x140
[ 282.578404][ T4585] ? __x64_sys_mount+0x1c/0xc0
[ 282.578426][ T4585] do_syscall_64+0x4c/0xa0
[ 282.578446][ T4585] ? clear_bhb_loop+0x30/0x80
[ 282.578462][ T4585] ? clear_bhb_loop+0x30/0x80
[ 282.578482][ T4585] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.578505][ T4585] RIP: 0033:0x7f46f801038a
[ 282.578524][ T4585] 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
[ 282.578541][ T4585] RSP: 002b:00007ffcdfa82e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.585173][ T27] (
[ 282.587649][ T4585] RAX: ffffffffffffffda RBX: 00007ffcdfa82ee0 RCX: 00007f46f801038a
[ 282.587675][ T4585] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcdfa82ea0
[ 282.587688][ T4585] RBP: 0000200000000400 R08: 00007ffcdfa82ee0 R09: 0000000000000000
[ 282.587701][ T4585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[ 282.587714][ T4585] R13: 00007ffcdfa82ea0 R14: 00000000000125e1 R15: 00002000000000c0
[ 282.587742][ T4585]
[ 282.589774][ T4585] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.596503][ T27] &ldata->atomic_read_lock
[ 282.616875][ T4585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.621889][ T27] ){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 282.828827][ T27] 1 lock held by syz.0.17/4368:
[ 282.833951][ T27] #0: ffff88807a0b80e0 (&type->s_umount_key#53/1){+.+.}-{3:3}, at: alloc_super+0x201/0x950
[ 282.844720][ T27] 2 locks held by syz.1.200/4585:
[ 282.850115][ T27] #0: ffff8880201ce118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 282.859765][ T27] #1: ffff88802046b468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 282.869183][ T27]
[ 282.871608][ T27] =============================================
[ 282.871608][ T27]
[ 282.880645][ T27] NMI backtrace for cpu 0
[ 282.885403][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[ 282.893604][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 282.904810][ T27] Call Trace:
[ 282.908400][ T27]
[ 282.911426][ T27] dump_stack_lvl+0x168/0x230
[ 282.916405][ T27] ? show_regs_print_info+0x20/0x20
[ 282.921979][ T27] ? load_image+0x3b0/0x3b0
[ 282.926606][ T27] ? tick_nohz_tick_stopped+0x7b/0xb0
[ 282.932184][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 282.937483][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 282.942714][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 282.949256][ T27] ? _printk+0xcc/0x110
[ 282.953518][ T27] ? load_image+0x3b0/0x3b0
[ 282.958132][ T27] ? load_image+0x3b0/0x3b0
[ 282.962735][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 282.969217][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 282.975391][ T27] watchdog+0xe0f/0xe50
[ 282.979672][ T27] kthread+0x436/0x520
[ 282.984098][ T27] ? hungtask_pm_notify+0x40/0x40
[ 282.989404][ T27] ? kthread_blkcg+0xd0/0xd0
[ 282.994252][ T27] ret_from_fork+0x1f/0x30
[ 282.999136][ T27]
[ 283.002875][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 283.009066][ C1] NMI backtrace for cpu 1
[ 283.009081][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.189-syzkaller #0
[ 283.009097][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 283.009106][ C1] RIP: 0010:__lock_acquire+0x0/0x7c60
[ 283.009140][ C1] Code: 2c 60 00 4c 89 e2 e9 25 ff ff ff 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 7c 93 48 8b 3c 24 e8 18 2d 60 00 eb 88 66 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 20 02
[ 283.009154][ C1] RSP: 0018:ffffc90000dd0c18 EFLAGS: 00000046
[ 283.009169][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000
[ 283.009179][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880b9127848
[ 283.009189][ C1] RBP: ffffc90000dd0d58 R08: 0000000000000001 R09: 0000000000000001
[ 283.009199][ C1] R10: fffffbfff1ad2dd6 R11: 1ffffffff1ad2dd5 R12: ffff8880b9127848
[ 283.009210][ C1] R13: 1ffff920001ba194 R14: 0000000000000046 R15: dffffc0000000000
[ 283.009229][ C1] FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 283.009241][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 283.009253][ C1] CR2: 00007f6c903c8000 CR3: 000000007e62f000 CR4: 00000000003506e0
[ 283.009268][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 283.009277][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 283.009287][ C1] Call Trace:
[ 283.009294][ C1]
[ 283.009300][ C1] lock_acquire+0x197/0x3f0
[ 283.009317][ C1] ? enqueue_task+0x26d/0x2b0
[ 283.009336][ C1] ? read_lock_is_recursive+0x10/0x10
[ 283.009353][ C1] ? ktime_get+0x7b/0x270
[ 283.009371][ C1] psi_group_change+0x113/0x1150
[ 283.009385][ C1] ? enqueue_task+0x26d/0x2b0
[ 283.009401][ C1] ? kvm_sched_clock_read+0x14/0x40
[ 283.009415][ C1] ? sched_clock_cpu+0x15/0x3c0
[ 283.009431][ C1] ? psi_task_change+0xe5/0x340
[ 283.009444][ C1] ? enqueue_task+0x26d/0x2b0
[ 283.009459][ C1] enqueue_task+0x26d/0x2b0
[ 283.009474][ C1] ttwu_do_activate+0x1b5/0x380
[ 283.009490][ C1] sched_ttwu_pending+0x272/0x5d0
[ 283.009507][ C1] ? sched_setscheduler_nocheck+0x190/0x190
[ 283.009523][ C1] ? kvm_sched_clock_read+0x14/0x40
[ 283.009537][ C1] ? flush_smp_call_function_queue+0x591/0x760
[ 283.009557][ C1] __sysvec_call_function_single+0x98/0x240
[ 283.009574][ C1] sysvec_call_function_single+0x98/0xc0
[ 283.009590][ C1]
[ 283.009594][ C1]
[ 283.009599][ C1] asm_sysvec_call_function_single+0x16/0x20
[ 283.009615][ C1] RIP: 0010:default_idle+0xb/0x10
[ 283.009631][ C1] Code: bf 48 89 df e8 a6 aa 0a f8 eb b5 e8 4f b0 f6 ff 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 cc 66 90 0f 00 2d e7 44 54 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48
[ 283.009643][ C1] RSP: 0018:ffffc90000d67d48 EFLAGS: 000002c2
[ 283.009655][ C1] RAX: d798a6b73f0b8600 RBX: ffff88813fe28000 RCX: d798a6b73f0b8600
[ 283.009666][ C1] RDX: 0000000000000001 RSI: ffffffff8a0b15c0 RDI: ffffffff8a599340
[ 283.009675][ C1] RBP: ffffc90000d67e80 R08: dffffc0000000000 R09: ffffed101722765a
[ 283.009686][ C1] R10: ffffed101722765a R11: 1ffff11017227659 R12: ffffffff8d696ea8
[ 283.009697][ C1] R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff11027fc5000
[ 283.009712][ C1] default_idle_call+0x81/0xc0
[ 283.009727][ C1] do_idle+0x21b/0x5b0
[ 283.009742][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 283.009756][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 283.009771][ C1] ? idle_inject_timer_fn+0x60/0x60
[ 283.009789][ C1] ? do_idle+0x597/0x5b0
[ 283.009804][ C1] cpu_startup_entry+0x14/0x20
[ 283.009818][ C1] start_secondary+0x31f/0x430
[ 283.009834][ C1] ? arch_scale_freq_tick+0x120/0x120
[ 283.009853][ C1] secondary_startup_64_no_verify+0xb1/0xbb
[ 283.009880][ C1]
[ 283.010227][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 283.434085][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.189-syzkaller #0
[ 283.443153][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 283.454458][ T27] Call Trace:
[ 283.458098][ T27]
[ 283.461651][ T27] dump_stack_lvl+0x168/0x230
[ 283.467121][ T27] ? show_regs_print_info+0x20/0x20
[ 283.472681][ T27] ? load_image+0x3b0/0x3b0
[ 283.477652][ T27] panic+0x2c9/0x7f0
[ 283.482016][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 283.488189][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 283.493140][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 283.499755][ T27] watchdog+0xe4e/0xe50
[ 283.504033][ T27] kthread+0x436/0x520
[ 283.509057][ T27] ? hungtask_pm_notify+0x40/0x40
[ 283.514120][ T27] ? kthread_blkcg+0xd0/0xd0
[ 283.519772][ T27] ret_from_fork+0x1f/0x30
[ 283.524614][ T27]
[ 283.528248][ T27] Kernel Offset: disabled
[ 283.533243][ T27] Rebooting in 86400 seconds..