T4899] sysfs_create_dir_ns+0x252/0x280
[ 273.779528][ T4899] ? __lock_acquire+0x7c60/0x7c60
[ 273.784680][ T4899] ? sysfs_warn_dup+0xa0/0xa0
[ 273.789414][ T4899] ? do_raw_spin_unlock+0x11d/0x230
[ 273.794641][ T4899] kobject_add_internal+0x662/0xd00
[ 273.799968][ T4899] kobject_init_and_add+0x122/0x190
[ 273.805204][ T4899] ? lockdep_softirqs_off+0x420/0x420
[ 273.810619][ T4899] ? kobject_add+0x210/0x210
[ 273.815253][ T4899] ? __init_swait_queue_head+0xa5/0x150
[ 273.820865][ T4899] gfs2_sys_fs_add+0x234/0x480
[ 273.825670][ T4899] ? gfs2_recover_set+0x240/0x240
[ 273.830855][ T4899] ? snprintf+0xd7/0x120
[ 273.835222][ T4899] ? __free_pages+0x95/0x1a0
[ 273.839857][ T4899] ? vscnprintf+0x80/0x80
[ 273.844236][ T4899] gfs2_fill_super+0x128d/0x1f50
[ 273.849225][ T4899] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.854301][ T4899] ? preempt_count_add+0x8d/0x190
[ 273.859380][ T4899] ? sb_set_blocksize+0xa5/0xe0
[ 273.864274][ T4899] get_tree_bdev+0x3f1/0x610
[ 273.868904][ T4899] ? gfs2_reconfigure+0xcd0/0xcd0
[ 273.873962][ T4899] gfs2_get_tree+0x4d/0x1e0
[ 273.878499][ T4899] vfs_get_tree+0x88/0x270
[ 273.882962][ T4899] do_new_mount+0x24a/0xa40
[ 273.887500][ T4899] __se_sys_mount+0x2d6/0x3c0
[ 273.892230][ T4899] ? __x64_sys_mount+0xc0/0xc0
[ 273.897028][ T4899] ? lockdep_hardirqs_on+0x94/0x140
[ 273.902254][ T4899] ? __x64_sys_mount+0x1c/0xc0
[ 273.907049][ T4899] do_syscall_64+0x4c/0xa0
[ 273.911490][ T4899] ? clear_bhb_loop+0x30/0x80
[ 273.916199][ T4899] ? clear_bhb_loop+0x30/0x80
[ 273.920912][ T4899] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 273.926833][ T4899] RIP: 0033:0x7f0ecbade76a
[ 273.931280][ T4899] 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
[ 273.951973][ T4899] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.960424][ T4899] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 273.968436][ T4899] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 273.976448][ T4899] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 273.984452][ T4899] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 273.992452][ T4899] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 274.000468][ T4899]
[ 274.059684][ T4897] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.103794][ T4897] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.141075][ T4899] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.167956][ T4903] loop5: detected capacity change from 0 to 32768
[ 274.200543][ T4899] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.220880][ T4901] loop4: detected capacity change from 0 to 32768
[ 274.256021][ T4903] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.263466][ T4903] CPU: 1 PID: 4903 Comm: syz.5.235 Not tainted syzkaller #0
[ 274.271230][ T4903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 274.281312][ T4903] Call Trace:
[ 274.284727][ T4903]
[ 274.287766][ T4903] dump_stack_lvl+0x168/0x230
[ 274.292479][ T4903] ? show_regs_print_info+0x20/0x20
[ 274.297715][ T4903] ? load_image+0x3b0/0x3b0
[ 274.302261][ T4903] sysfs_create_dir_ns+0x252/0x280
[ 274.307403][ T4903] ? __lock_acquire+0x7c60/0x7c60
[ 274.312455][ T4903] ? sysfs_warn_dup+0xa0/0xa0
[ 274.317170][ T4903] ? do_raw_spin_unlock+0x11d/0x230
[ 274.322405][ T4903] kobject_add_internal+0x662/0xd00
[ 274.327637][ T4903] kobject_init_and_add+0x122/0x190
[ 274.332864][ T4903] ? lockdep_softirqs_off+0x420/0x420
[ 274.338262][ T4903] ? kobject_add+0x210/0x210
[ 274.342881][ T4903] ? __init_swait_queue_head+0xa5/0x150
[ 274.348461][ T4903] gfs2_sys_fs_add+0x234/0x480
[ 274.353251][ T4903] ? gfs2_recover_set+0x240/0x240
[ 274.358295][ T4903] ? snprintf+0xd7/0x120
[ 274.362572][ T4903] ? __free_pages+0x95/0x1a0
[ 274.367192][ T4903] ? vscnprintf+0x80/0x80
[ 274.371562][ T4903] gfs2_fill_super+0x128d/0x1f50
[ 274.376546][ T4903] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.381595][ T4903] ? preempt_count_add+0x8d/0x190
[ 274.386658][ T4903] ? sb_set_blocksize+0xa5/0xe0
[ 274.391539][ T4903] get_tree_bdev+0x3f1/0x610
[ 274.396154][ T4903] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.401217][ T4903] gfs2_get_tree+0x4d/0x1e0
[ 274.405750][ T4903] vfs_get_tree+0x88/0x270
[ 274.410192][ T4903] do_new_mount+0x24a/0xa40
[ 274.414722][ T4903] __se_sys_mount+0x2d6/0x3c0
[ 274.419431][ T4903] ? __x64_sys_mount+0xc0/0xc0
[ 274.424221][ T4903] ? lockdep_hardirqs_on+0x94/0x140
[ 274.429438][ T4903] ? __x64_sys_mount+0x1c/0xc0
[ 274.434229][ T4903] do_syscall_64+0x4c/0xa0
[ 274.438668][ T4903] ? clear_bhb_loop+0x30/0x80
[ 274.443372][ T4903] ? clear_bhb_loop+0x30/0x80
[ 274.448075][ T4903] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.453991][ T4903] RIP: 0033:0x7ff6ecc5276a
[ 274.458424][ T4903] 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
[ 274.478139][ T4903] RSP: 002b:00007ff6ec2bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.486584][ T4903] RAX: ffffffffffffffda RBX: 00007ff6ec2bfef0 RCX: 00007ff6ecc5276a
[ 274.494588][ T4903] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ff6ec2bfeb0
[ 274.503391][ T4903] RBP: 0000200000021140 R08: 00007ff6ec2bfef0 R09: 0000000000008000
[ 274.511395][ T4903] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 274.519396][ T4903] R13: 00007ff6ec2bfeb0 R14: 000000000002117d R15: 00002000000211c0
[ 274.527420][ T4903]
[ 274.539754][ T4903] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.544816][ T4901] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.553802][ T4903] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.579018][ T4901] CPU: 1 PID: 4901 Comm: syz.4.234 Not tainted syzkaller #0
[ 274.586482][ T4901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 274.596571][ T4901] Call Trace:
[ 274.599880][ T4901]
[ 274.602830][ T4901] dump_stack_lvl+0x168/0x230
[ 274.607558][ T4901] ? show_regs_print_info+0x20/0x20
[ 274.612791][ T4901] ? load_image+0x3b0/0x3b0
[ 274.617339][ T4901] sysfs_create_dir_ns+0x252/0x280
[ 274.622484][ T4901] ? __lock_acquire+0x7c60/0x7c60
[ 274.627555][ T4901] ? sysfs_warn_dup+0xa0/0xa0
[ 274.632277][ T4901] ? do_raw_spin_unlock+0x11d/0x230
[ 274.637511][ T4901] kobject_add_internal+0x662/0xd00
[ 274.642749][ T4901] kobject_init_and_add+0x122/0x190
[ 274.647980][ T4901] ? lockdep_softirqs_off+0x420/0x420
[ 274.653389][ T4901] ? kobject_add+0x210/0x210
[ 274.658017][ T4901] ? __init_swait_queue_head+0xa5/0x150
[ 274.663689][ T4901] gfs2_sys_fs_add+0x234/0x480
[ 274.668485][ T4901] ? gfs2_recover_set+0x240/0x240
[ 274.673615][ T4901] ? snprintf+0xd7/0x120
[ 274.677895][ T4901] ? __free_pages+0x95/0x1a0
[ 274.682523][ T4901] ? vscnprintf+0x80/0x80
[ 274.686903][ T4901] gfs2_fill_super+0x128d/0x1f50
[ 274.691891][ T4901] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.696946][ T4901] ? preempt_count_add+0x8d/0x190
[ 274.702010][ T4901] ? sb_set_blocksize+0xa5/0xe0
[ 274.706901][ T4901] get_tree_bdev+0x3f1/0x610
[ 274.711536][ T4901] ? gfs2_reconfigure+0xcd0/0xcd0
[ 274.716603][ T4901] gfs2_get_tree+0x4d/0x1e0
[ 274.721149][ T4901] vfs_get_tree+0x88/0x270
[ 274.725602][ T4901] do_new_mount+0x24a/0xa40
[ 274.730148][ T4901] __se_sys_mount+0x2d6/0x3c0
[ 274.734860][ T4901] ? __x64_sys_mount+0xc0/0xc0
[ 274.739669][ T4901] ? lockdep_hardirqs_on+0x94/0x140
[ 274.744897][ T4901] ? __x64_sys_mount+0x1c/0xc0
[ 274.749686][ T4901] do_syscall_64+0x4c/0xa0
[ 274.754123][ T4901] ? clear_bhb_loop+0x30/0x80
[ 274.758825][ T4901] ? clear_bhb_loop+0x30/0x80
[ 274.763536][ T4901] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 274.769473][ T4901] RIP: 0033:0x7f2d6a14a76a
[ 274.774008][ T4901] 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
[ 274.793823][ T4901] RSP: 002b:00007f2d697b7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.802279][ T4901] RAX: ffffffffffffffda RBX: 00007f2d697b7ef0 RCX: 00007f2d6a14a76a
[ 274.810290][ T4901] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f2d697b7eb0
[ 274.818301][ T4901] RBP: 0000200000021140 R08: 00007f2d697b7ef0 R09: 0000000000008000
[ 274.826303][ T4901] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 274.834391][ T4901] R13: 00007f2d697b7eb0 R14: 000000000002117d R15: 00002000000211c0
[ 274.842412][ T4901]
[ 274.903917][ T4901] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.971033][ T4901] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.399987][ T4905] loop2: detected capacity change from 0 to 32768
2025/11/02 20:20:51 executed programs: 233
[ 275.549406][ T4905] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.575281][ T4905] CPU: 0 PID: 4905 Comm: syz.2.236 Not tainted syzkaller #0
[ 275.582644][ T4905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 275.592837][ T4905] Call Trace:
[ 275.596144][ T4905]
[ 275.599094][ T4905] dump_stack_lvl+0x168/0x230
[ 275.603801][ T4905] ? show_regs_print_info+0x20/0x20
[ 275.609026][ T4905] ? load_image+0x3b0/0x3b0
[ 275.613579][ T4905] sysfs_create_dir_ns+0x252/0x280
[ 275.618725][ T4905] ? __lock_acquire+0x7c60/0x7c60
[ 275.623784][ T4905] ? sysfs_warn_dup+0xa0/0xa0
[ 275.628497][ T4905] ? do_raw_spin_unlock+0x11d/0x230
[ 275.633732][ T4905] kobject_add_internal+0x662/0xd00
[ 275.638964][ T4905] kobject_init_and_add+0x122/0x190
[ 275.644275][ T4905] ? lockdep_softirqs_off+0x420/0x420
[ 275.649684][ T4905] ? kobject_add+0x210/0x210
[ 275.654311][ T4905] ? __init_swait_queue_head+0xa5/0x150
[ 275.659894][ T4905] gfs2_sys_fs_add+0x234/0x480
[ 275.664790][ T4905] ? gfs2_recover_set+0x240/0x240
[ 275.669842][ T4905] ? snprintf+0xd7/0x120
[ 275.674117][ T4905] ? __free_pages+0x95/0x1a0
[ 275.678738][ T4905] ? vscnprintf+0x80/0x80
[ 275.683113][ T4905] gfs2_fill_super+0x128d/0x1f50
[ 275.688107][ T4905] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.693160][ T4905] ? preempt_count_add+0x8d/0x190
[ 275.698228][ T4905] ? sb_set_blocksize+0xa5/0xe0
[ 275.703110][ T4905] get_tree_bdev+0x3f1/0x610
[ 275.707728][ T4905] ? gfs2_reconfigure+0xcd0/0xcd0
[ 275.712783][ T4905] gfs2_get_tree+0x4d/0x1e0
[ 275.717310][ T4905] vfs_get_tree+0x88/0x270
[ 275.721754][ T4905] do_new_mount+0x24a/0xa40
[ 275.726406][ T4905] __se_sys_mount+0x2d6/0x3c0
[ 275.731118][ T4905] ? __x64_sys_mount+0xc0/0xc0
[ 275.735908][ T4905] ? lockdep_hardirqs_on+0x94/0x140
[ 275.741130][ T4905] ? __x64_sys_mount+0x1c/0xc0
[ 275.745918][ T4905] do_syscall_64+0x4c/0xa0
[ 275.752759][ T4905] ? clear_bhb_loop+0x30/0x80
[ 275.757567][ T4905] ? clear_bhb_loop+0x30/0x80
[ 275.760710][ T4908] loop0: detected capacity change from 0 to 32768
[ 275.762286][ T4905] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 275.775214][ T4905] RIP: 0033:0x7f64cc7bf76a
[ 275.779751][ T4905] 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
[ 275.799397][ T4905] RSP: 002b:00007f64cbe2ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.807826][ T4905] RAX: ffffffffffffffda RBX: 00007f64cbe2cef0 RCX: 00007f64cc7bf76a
[ 275.815803][ T4905] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f64cbe2ceb0
[ 275.823779][ T4905] RBP: 0000200000021140 R08: 00007f64cbe2cef0 R09: 0000000000008000
[ 275.831754][ T4905] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 275.839729][ T4905] R13: 00007f64cbe2ceb0 R14: 000000000002117d R15: 00002000000211c0
[ 275.847723][ T4905]
[ 275.999116][ T4908] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.025794][ T4908] CPU: 1 PID: 4908 Comm: syz.0.237 Not tainted syzkaller #0
[ 276.033147][ T4908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 276.043238][ T4908] Call Trace:
[ 276.046553][ T4908]
[ 276.049536][ T4908] dump_stack_lvl+0x168/0x230
[ 276.054262][ T4908] ? show_regs_print_info+0x20/0x20
[ 276.059505][ T4908] ? load_image+0x3b0/0x3b0
[ 276.064062][ T4908] sysfs_create_dir_ns+0x252/0x280
[ 276.069210][ T4908] ? __lock_acquire+0x7c60/0x7c60
[ 276.074274][ T4908] ? sysfs_warn_dup+0xa0/0xa0
[ 276.078990][ T4908] ? do_raw_spin_unlock+0x11d/0x230
[ 276.084226][ T4908] kobject_add_internal+0x662/0xd00
[ 276.089466][ T4908] kobject_init_and_add+0x122/0x190
[ 276.094705][ T4908] ? lockdep_softirqs_off+0x420/0x420
[ 276.100111][ T4908] ? kobject_add+0x210/0x210
[ 276.104735][ T4908] ? __init_swait_queue_head+0xa5/0x150
[ 276.110403][ T4908] gfs2_sys_fs_add+0x234/0x480
[ 276.115219][ T4908] ? gfs2_recover_set+0x240/0x240
[ 276.120279][ T4908] ? snprintf+0xd7/0x120
[ 276.124555][ T4908] ? __free_pages+0x95/0x1a0
[ 276.129186][ T4908] ? vscnprintf+0x80/0x80
[ 276.133559][ T4908] gfs2_fill_super+0x128d/0x1f50
[ 276.138542][ T4908] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.143602][ T4908] ? preempt_count_add+0x8d/0x190
[ 276.148664][ T4908] ? sb_set_blocksize+0xa5/0xe0
[ 276.153547][ T4908] get_tree_bdev+0x3f1/0x610
[ 276.158164][ T4908] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.163226][ T4908] gfs2_get_tree+0x4d/0x1e0
[ 276.167759][ T4908] vfs_get_tree+0x88/0x270
[ 276.172206][ T4908] do_new_mount+0x24a/0xa40
[ 276.176742][ T4908] __se_sys_mount+0x2d6/0x3c0
[ 276.181451][ T4908] ? __x64_sys_mount+0xc0/0xc0
[ 276.186251][ T4908] ? lockdep_hardirqs_on+0x94/0x140
[ 276.191478][ T4908] ? __x64_sys_mount+0x1c/0xc0
[ 276.196281][ T4908] do_syscall_64+0x4c/0xa0
[ 276.200732][ T4908] ? clear_bhb_loop+0x30/0x80
[ 276.205430][ T4908] ? clear_bhb_loop+0x30/0x80
[ 276.210141][ T4908] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 276.216059][ T4908] RIP: 0033:0x7f571ebd776a
[ 276.220499][ T4908] 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
[ 276.240131][ T4908] RSP: 002b:00007f571e244e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.248586][ T4908] RAX: ffffffffffffffda RBX: 00007f571e244ef0 RCX: 00007f571ebd776a
[ 276.256584][ T4908] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f571e244eb0
[ 276.264668][ T4908] RBP: 0000200000021140 R08: 00007f571e244ef0 R09: 0000000000008000
[ 276.266873][ T4909] loop5: detected capacity change from 0 to 32768
[ 276.272662][ T4908] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 276.272680][ T4908] R13: 00007f571e244eb0 R14: 000000000002117d R15: 00002000000211c0
[ 276.272711][ T4908]
[ 276.336207][ T4905] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.360767][ T4905] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.439857][ T4909] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.468063][ T4908] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.475879][ T4909] CPU: 1 PID: 4909 Comm: syz.5.238 Not tainted syzkaller #0
[ 276.488537][ T4909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 276.498716][ T4909] Call Trace:
[ 276.502019][ T4909]
[ 276.504979][ T4909] dump_stack_lvl+0x168/0x230
[ 276.509696][ T4909] ? show_regs_print_info+0x20/0x20
[ 276.514966][ T4909] ? load_image+0x3b0/0x3b0
[ 276.519512][ T4909] sysfs_create_dir_ns+0x252/0x280
[ 276.524749][ T4909] ? __lock_acquire+0x7c60/0x7c60
[ 276.529823][ T4909] ? sysfs_warn_dup+0xa0/0xa0
[ 276.534553][ T4909] ? do_raw_spin_unlock+0x11d/0x230
[ 276.539792][ T4909] kobject_add_internal+0x662/0xd00
[ 276.545030][ T4909] kobject_init_and_add+0x122/0x190
[ 276.548061][ T4908] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.550253][ T4909] ? lockdep_softirqs_off+0x420/0x420
[ 276.562135][ T4909] ? kobject_add+0x210/0x210
[ 276.566768][ T4909] ? __init_swait_queue_head+0xa5/0x150
[ 276.572358][ T4909] gfs2_sys_fs_add+0x234/0x480
[ 276.577964][ T4909] ? gfs2_recover_set+0x240/0x240
[ 276.583019][ T4909] ? snprintf+0xd7/0x120
[ 276.587294][ T4909] ? __free_pages+0x95/0x1a0
[ 276.591928][ T4909] ? vscnprintf+0x80/0x80
[ 276.596307][ T4909] gfs2_fill_super+0x128d/0x1f50
[ 276.601297][ T4909] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.606361][ T4909] ? preempt_count_add+0x8d/0x190
[ 276.611424][ T4909] ? sb_set_blocksize+0xa5/0xe0
[ 276.616309][ T4909] get_tree_bdev+0x3f1/0x610
[ 276.620937][ T4909] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.625993][ T4909] gfs2_get_tree+0x4d/0x1e0
[ 276.630525][ T4909] vfs_get_tree+0x88/0x270
[ 276.634977][ T4909] do_new_mount+0x24a/0xa40
[ 276.639514][ T4909] __se_sys_mount+0x2d6/0x3c0
[ 276.644232][ T4909] ? __x64_sys_mount+0xc0/0xc0
[ 276.649031][ T4909] ? lockdep_hardirqs_on+0x94/0x140
[ 276.654271][ T4909] ? __x64_sys_mount+0x1c/0xc0
[ 276.659061][ T4909] do_syscall_64+0x4c/0xa0
[ 276.663513][ T4909] ? clear_bhb_loop+0x30/0x80
[ 276.667963][ T4911] loop1: detected capacity change from 0 to 32768
[ 276.668213][ T4909] ? clear_bhb_loop+0x30/0x80
[ 276.679486][ T4909] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 276.685411][ T4909] RIP: 0033:0x7ff6ecc5276a
[ 276.690025][ T4909] 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
[ 276.709661][ T4909] RSP: 002b:00007ff6ec2bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.717277][ T4911] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.718091][ T4909] RAX: ffffffffffffffda RBX: 00007ff6ec2bfef0 RCX: 00007ff6ecc5276a
[ 276.718119][ T4909] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ff6ec2bfeb0
[ 276.741638][ T4909] RBP: 0000200000021140 R08: 00007ff6ec2bfef0 R09: 0000000000008000
[ 276.749634][ T4909] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 276.757632][ T4909] R13: 00007ff6ec2bfeb0 R14: 000000000002117d R15: 00002000000211c0
[ 276.765642][ T4909]
[ 276.772404][ T4911] CPU: 1 PID: 4911 Comm: syz.1.239 Not tainted syzkaller #0
[ 276.779725][ T4911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 276.789808][ T4911] Call Trace:
[ 276.793112][ T4911]
[ 276.796061][ T4911] dump_stack_lvl+0x168/0x230
[ 276.800782][ T4911] ? show_regs_print_info+0x20/0x20
[ 276.806013][ T4911] ? load_image+0x3b0/0x3b0
[ 276.810577][ T4911] sysfs_create_dir_ns+0x252/0x280
[ 276.815740][ T4911] ? __lock_acquire+0x7c60/0x7c60
[ 276.820793][ T4911] ? sysfs_warn_dup+0xa0/0xa0
[ 276.825497][ T4911] ? do_raw_spin_unlock+0x11d/0x230
[ 276.830720][ T4911] kobject_add_internal+0x662/0xd00
[ 276.835949][ T4911] kobject_init_and_add+0x122/0x190
[ 276.841177][ T4911] ? lockdep_softirqs_off+0x420/0x420
[ 276.846587][ T4911] ? kobject_add+0x210/0x210
[ 276.851208][ T4911] ? __init_swait_queue_head+0xa5/0x150
[ 276.856789][ T4911] gfs2_sys_fs_add+0x234/0x480
[ 276.861578][ T4911] ? gfs2_recover_set+0x240/0x240
[ 276.866630][ T4911] ? snprintf+0xd7/0x120
[ 276.870897][ T4911] ? __free_pages+0x95/0x1a0
[ 276.875533][ T4911] ? vscnprintf+0x80/0x80
[ 276.879904][ T4911] gfs2_fill_super+0x128d/0x1f50
[ 276.884883][ T4911] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.889931][ T4911] ? preempt_count_add+0x8d/0x190
[ 276.894987][ T4911] ? sb_set_blocksize+0xa5/0xe0
[ 276.899868][ T4911] get_tree_bdev+0x3f1/0x610
[ 276.904491][ T4911] ? gfs2_reconfigure+0xcd0/0xcd0
[ 276.909550][ T4911] gfs2_get_tree+0x4d/0x1e0
[ 276.914091][ T4911] vfs_get_tree+0x88/0x270
[ 276.918532][ T4911] do_new_mount+0x24a/0xa40
[ 276.923069][ T4911] __se_sys_mount+0x2d6/0x3c0
[ 276.927780][ T4911] ? __x64_sys_mount+0xc0/0xc0
[ 276.932575][ T4911] ? lockdep_hardirqs_on+0x94/0x140
[ 276.937800][ T4911] ? __x64_sys_mount+0x1c/0xc0
[ 276.942601][ T4911] do_syscall_64+0x4c/0xa0
[ 276.947041][ T4911] ? clear_bhb_loop+0x30/0x80
[ 276.951755][ T4911] ? clear_bhb_loop+0x30/0x80
[ 276.956459][ T4911] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 276.962383][ T4911] RIP: 0033:0x7f0ecbade76a
[ 276.966824][ T4911] 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
[ 276.986629][ T4911] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.995088][ T4911] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 277.003141][ T4911] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 277.011149][ T4911] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 277.019151][ T4911] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 277.027156][ T4911] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 277.035173][ T4911]
[ 277.046375][ T4909] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.048337][ T4911] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.073109][ T4911] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.106328][ T4909] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.415483][ T4913] loop4: detected capacity change from 0 to 32768
[ 277.511243][ T4913] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.545880][ T4913] CPU: 1 PID: 4913 Comm: syz.4.240 Not tainted syzkaller #0
[ 277.553231][ T4913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 277.563314][ T4913] Call Trace:
[ 277.566618][ T4913]
[ 277.569571][ T4913] dump_stack_lvl+0x168/0x230
[ 277.574285][ T4913] ? show_regs_print_info+0x20/0x20
[ 277.579515][ T4913] ? load_image+0x3b0/0x3b0
[ 277.584068][ T4913] sysfs_create_dir_ns+0x252/0x280
[ 277.589217][ T4913] ? __lock_acquire+0x7c60/0x7c60
[ 277.594283][ T4913] ? sysfs_warn_dup+0xa0/0xa0
[ 277.599000][ T4913] ? do_raw_spin_unlock+0x11d/0x230
[ 277.604239][ T4913] kobject_add_internal+0x662/0xd00
[ 277.609483][ T4913] kobject_init_and_add+0x122/0x190
[ 277.614710][ T4913] ? lockdep_softirqs_off+0x420/0x420
[ 277.620116][ T4913] ? kobject_add+0x210/0x210
[ 277.624742][ T4913] ? __init_swait_queue_head+0xa5/0x150
[ 277.630324][ T4913] gfs2_sys_fs_add+0x234/0x480
[ 277.635125][ T4913] ? gfs2_recover_set+0x240/0x240
[ 277.640177][ T4913] ? snprintf+0xd7/0x120
[ 277.644450][ T4913] ? __free_pages+0x95/0x1a0
[ 277.649085][ T4913] ? vscnprintf+0x80/0x80
[ 277.653464][ T4913] gfs2_fill_super+0x128d/0x1f50
[ 277.658531][ T4913] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.663590][ T4913] ? preempt_count_add+0x8d/0x190
[ 277.668665][ T4913] ? sb_set_blocksize+0xa5/0xe0
[ 277.673562][ T4913] get_tree_bdev+0x3f1/0x610
[ 277.678187][ T4913] ? gfs2_reconfigure+0xcd0/0xcd0
[ 277.683239][ T4913] gfs2_get_tree+0x4d/0x1e0
[ 277.687775][ T4913] vfs_get_tree+0x88/0x270
[ 277.692326][ T4913] do_new_mount+0x24a/0xa40
[ 277.696869][ T4913] __se_sys_mount+0x2d6/0x3c0
[ 277.701584][ T4913] ? __x64_sys_mount+0xc0/0xc0
[ 277.706374][ T4913] ? lockdep_hardirqs_on+0x94/0x140
[ 277.711596][ T4913] ? __x64_sys_mount+0x1c/0xc0
[ 277.716399][ T4913] do_syscall_64+0x4c/0xa0
[ 277.720841][ T4913] ? clear_bhb_loop+0x30/0x80
[ 277.725539][ T4913] ? clear_bhb_loop+0x30/0x80
[ 277.730249][ T4913] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 277.736171][ T4913] RIP: 0033:0x7f2d6a14a76a
[ 277.740605][ T4913] 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
[ 277.760235][ T4913] RSP: 002b:00007f2d697b7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.768687][ T4913] RAX: ffffffffffffffda RBX: 00007f2d697b7ef0 RCX: 00007f2d6a14a76a
[ 277.776693][ T4913] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f2d697b7eb0
[ 277.784702][ T4913] RBP: 0000200000021140 R08: 00007f2d697b7ef0 R09: 0000000000008000
[ 277.792709][ T4913] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 277.800710][ T4913] R13: 00007f2d697b7eb0 R14: 000000000002117d R15: 00002000000211c0
[ 277.808733][ T4913]
[ 277.934778][ T4913] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.955961][ T4913] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.408725][ T4915] loop2: detected capacity change from 0 to 32768
[ 278.445081][ T4915] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.473751][ T4915] CPU: 0 PID: 4915 Comm: syz.2.241 Not tainted syzkaller #0
[ 278.481208][ T4915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 278.491310][ T4915] Call Trace:
[ 278.494618][ T4915]
[ 278.497574][ T4915] dump_stack_lvl+0x168/0x230
[ 278.502306][ T4915] ? show_regs_print_info+0x20/0x20
[ 278.507536][ T4915] ? load_image+0x3b0/0x3b0
[ 278.512083][ T4915] sysfs_create_dir_ns+0x252/0x280
[ 278.517230][ T4915] ? __lock_acquire+0x7c60/0x7c60
[ 278.522300][ T4915] ? sysfs_warn_dup+0xa0/0xa0
[ 278.527106][ T4915] ? do_raw_spin_unlock+0x11d/0x230
[ 278.532340][ T4915] kobject_add_internal+0x662/0xd00
[ 278.537577][ T4915] kobject_init_and_add+0x122/0x190
[ 278.542803][ T4915] ? lockdep_softirqs_off+0x420/0x420
[ 278.548212][ T4915] ? kobject_add+0x210/0x210
[ 278.552848][ T4915] ? __init_swait_queue_head+0xa5/0x150
[ 278.558433][ T4915] gfs2_sys_fs_add+0x234/0x480
[ 278.563243][ T4915] ? gfs2_recover_set+0x240/0x240
[ 278.568304][ T4915] ? snprintf+0xd7/0x120
[ 278.572578][ T4915] ? __free_pages+0x95/0x1a0
[ 278.579714][ T4915] ? vscnprintf+0x80/0x80
[ 278.584099][ T4915] gfs2_fill_super+0x128d/0x1f50
[ 278.589091][ T4915] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.594151][ T4915] ? preempt_count_add+0x8d/0x190
[ 278.599306][ T4915] ? sb_set_blocksize+0xa5/0xe0
[ 278.604195][ T4915] get_tree_bdev+0x3f1/0x610
[ 278.608825][ T4915] ? gfs2_reconfigure+0xcd0/0xcd0
[ 278.613886][ T4915] gfs2_get_tree+0x4d/0x1e0
[ 278.618419][ T4915] vfs_get_tree+0x88/0x270
[ 278.622868][ T4915] do_new_mount+0x24a/0xa40
[ 278.627411][ T4915] __se_sys_mount+0x2d6/0x3c0
[ 278.632120][ T4915] ? __x64_sys_mount+0xc0/0xc0
[ 278.636925][ T4915] ? lockdep_hardirqs_on+0x94/0x140
[ 278.642155][ T4915] ? __x64_sys_mount+0x1c/0xc0
[ 278.646965][ T4915] do_syscall_64+0x4c/0xa0
[ 278.651413][ T4915] ? clear_bhb_loop+0x30/0x80
[ 278.656116][ T4915] ? clear_bhb_loop+0x30/0x80
[ 278.660826][ T4915] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 278.666747][ T4915] RIP: 0033:0x7f64cc7bf76a
[ 278.671191][ T4915] 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
[ 278.691347][ T4915] RSP: 002b:00007f64cbe2ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.700097][ T4915] RAX: ffffffffffffffda RBX: 00007f64cbe2cef0 RCX: 00007f64cc7bf76a
[ 278.708106][ T4915] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f64cbe2ceb0
[ 278.716116][ T4915] RBP: 0000200000021140 R08: 00007f64cbe2cef0 R09: 0000000000008000
[ 278.724120][ T4915] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 278.732393][ T4915] R13: 00007f64cbe2ceb0 R14: 000000000002117d R15: 00002000000211c0
[ 278.740414][ T4915]
[ 278.935884][ T4915] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.936231][ T4917] loop0: detected capacity change from 0 to 32768
[ 278.969833][ T4915] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.006548][ T4917] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.013981][ T4917] CPU: 0 PID: 4917 Comm: syz.0.242 Not tainted syzkaller #0
[ 279.021294][ T4917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 279.031372][ T4917] Call Trace:
[ 279.034676][ T4917]
[ 279.037627][ T4917] dump_stack_lvl+0x168/0x230
[ 279.042345][ T4917] ? show_regs_print_info+0x20/0x20
[ 279.047574][ T4917] ? load_image+0x3b0/0x3b0
[ 279.052132][ T4917] sysfs_create_dir_ns+0x252/0x280
[ 279.057275][ T4917] ? __lock_acquire+0x7c60/0x7c60
[ 279.062332][ T4917] ? sysfs_warn_dup+0xa0/0xa0
[ 279.067067][ T4917] ? do_raw_spin_unlock+0x11d/0x230
[ 279.072304][ T4917] kobject_add_internal+0x662/0xd00
[ 279.077539][ T4917] kobject_init_and_add+0x122/0x190
[ 279.082771][ T4917] ? lockdep_softirqs_off+0x420/0x420
[ 279.088191][ T4917] ? kobject_add+0x210/0x210
[ 279.092827][ T4917] ? __init_swait_queue_head+0xa5/0x150
[ 279.098425][ T4917] gfs2_sys_fs_add+0x234/0x480
[ 279.103231][ T4917] ? gfs2_recover_set+0x240/0x240
[ 279.108289][ T4917] ? snprintf+0xd7/0x120
[ 279.112572][ T4917] ? __free_pages+0x95/0x1a0
[ 279.117201][ T4917] ? vscnprintf+0x80/0x80
[ 279.121578][ T4917] gfs2_fill_super+0x128d/0x1f50
[ 279.126564][ T4917] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.131624][ T4917] ? preempt_count_add+0x8d/0x190
[ 279.136696][ T4917] ? sb_set_blocksize+0xa5/0xe0
[ 279.141583][ T4917] get_tree_bdev+0x3f1/0x610
[ 279.145230][ T4921] loop1: detected capacity change from 0 to 32768
[ 279.146196][ T4917] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.146234][ T4917] gfs2_get_tree+0x4d/0x1e0
[ 279.146261][ T4917] vfs_get_tree+0x88/0x270
[ 279.146287][ T4917] do_new_mount+0x24a/0xa40
[ 279.146317][ T4917] __se_sys_mount+0x2d6/0x3c0
[ 279.175942][ T4917] ? __x64_sys_mount+0xc0/0xc0
[ 279.180829][ T4917] ? lockdep_hardirqs_on+0x94/0x140
[ 279.186150][ T4917] ? __x64_sys_mount+0x1c/0xc0
[ 279.190958][ T4917] do_syscall_64+0x4c/0xa0
[ 279.195410][ T4917] ? clear_bhb_loop+0x30/0x80
[ 279.200129][ T4917] ? clear_bhb_loop+0x30/0x80
[ 279.204845][ T4917] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.210771][ T4917] RIP: 0033:0x7f571ebd776a
[ 279.215243][ T4917] 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
[ 279.234871][ T4917] RSP: 002b:00007f571e244e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.243322][ T4917] RAX: ffffffffffffffda RBX: 00007f571e244ef0 RCX: 00007f571ebd776a
[ 279.251331][ T4917] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f571e244eb0
[ 279.259337][ T4917] RBP: 0000200000021140 R08: 00007f571e244ef0 R09: 0000000000008000
[ 279.267337][ T4917] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 279.271148][ T4920] loop5: detected capacity change from 0 to 32768
[ 279.275421][ T4917] R13: 00007f571e244eb0 R14: 000000000002117d R15: 00002000000211c0
[ 279.275455][ T4917]
[ 279.326054][ T4921] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.334103][ T4921] CPU: 1 PID: 4921 Comm: syz.1.243 Not tainted syzkaller #0
[ 279.341422][ T4921] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 279.351504][ T4921] Call Trace:
[ 279.354811][ T4921]
[ 279.357755][ T4921] dump_stack_lvl+0x168/0x230
[ 279.362465][ T4921] ? show_regs_print_info+0x20/0x20
[ 279.367691][ T4921] ? load_image+0x3b0/0x3b0
[ 279.370708][ T4923] loop4: detected capacity change from 0 to 32768
[ 279.372227][ T4921] sysfs_create_dir_ns+0x252/0x280
[ 279.379247][ T4917] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.383830][ T4921] ? __lock_acquire+0x7c60/0x7c60
[ 279.383860][ T4921] ? sysfs_warn_dup+0xa0/0xa0
[ 279.383887][ T4921] ? do_raw_spin_unlock+0x11d/0x230
[ 279.383914][ T4921] kobject_add_internal+0x662/0xd00
[ 279.417144][ T4921] kobject_init_and_add+0x122/0x190
[ 279.422378][ T4921] ? lockdep_softirqs_off+0x420/0x420
[ 279.425195][ T4917] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.427787][ T4921] ? kobject_add+0x210/0x210
[ 279.427819][ T4921] ? __init_swait_queue_head+0xa5/0x150
[ 279.444824][ T4921] gfs2_sys_fs_add+0x234/0x480
[ 279.449629][ T4921] ? gfs2_recover_set+0x240/0x240
[ 279.454683][ T4921] ? snprintf+0xd7/0x120
[ 279.458954][ T4921] ? __free_pages+0x95/0x1a0
[ 279.463580][ T4921] ? vscnprintf+0x80/0x80
[ 279.467953][ T4921] gfs2_fill_super+0x128d/0x1f50
[ 279.472936][ T4921] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.477989][ T4921] ? preempt_count_add+0x8d/0x190
[ 279.483028][ T4921] ? sb_set_blocksize+0xa5/0xe0
[ 279.487883][ T4921] get_tree_bdev+0x3f1/0x610
[ 279.492481][ T4921] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.497517][ T4921] gfs2_get_tree+0x4d/0x1e0
[ 279.502052][ T4921] vfs_get_tree+0x88/0x270
[ 279.506483][ T4921] do_new_mount+0x24a/0xa40
[ 279.511019][ T4921] __se_sys_mount+0x2d6/0x3c0
[ 279.515712][ T4921] ? __x64_sys_mount+0xc0/0xc0
[ 279.520501][ T4921] ? lockdep_hardirqs_on+0x94/0x140
[ 279.525712][ T4921] ? __x64_sys_mount+0x1c/0xc0
[ 279.530495][ T4921] do_syscall_64+0x4c/0xa0
[ 279.534909][ T4921] ? clear_bhb_loop+0x30/0x80
[ 279.539716][ T4921] ? clear_bhb_loop+0x30/0x80
[ 279.544440][ T4921] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.550347][ T4921] RIP: 0033:0x7f0ecbade76a
[ 279.554782][ T4921] 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
[ 279.576371][ T4921] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.586026][ T4921] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 279.594008][ T4921] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 279.601986][ T4921] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 279.610050][ T4921] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 279.618112][ T4921] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 279.626094][ T4921]
[ 279.633334][ T4921] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.650284][ T4921] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.676289][ T4923] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.680014][ T4920] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.683795][ T4923] CPU: 1 PID: 4923 Comm: syz.4.245 Not tainted syzkaller #0
[ 279.698450][ T4923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 279.708625][ T4923] Call Trace:
[ 279.712033][ T4923]
[ 279.715009][ T4923] dump_stack_lvl+0x168/0x230
[ 279.719707][ T4923] ? show_regs_print_info+0x20/0x20
[ 279.724920][ T4923] ? load_image+0x3b0/0x3b0
[ 279.729449][ T4923] sysfs_create_dir_ns+0x252/0x280
[ 279.734581][ T4923] ? __lock_acquire+0x7c60/0x7c60
[ 279.739627][ T4923] ? sysfs_warn_dup+0xa0/0xa0
[ 279.744344][ T4923] ? do_raw_spin_unlock+0x11d/0x230
[ 279.749584][ T4923] kobject_add_internal+0x662/0xd00
[ 279.754832][ T4923] kobject_init_and_add+0x122/0x190
[ 279.760151][ T4923] ? lockdep_softirqs_off+0x420/0x420
[ 279.765557][ T4923] ? kobject_add+0x210/0x210
[ 279.770182][ T4923] ? __init_swait_queue_head+0xa5/0x150
[ 279.775767][ T4923] gfs2_sys_fs_add+0x234/0x480
[ 279.780572][ T4923] ? gfs2_recover_set+0x240/0x240
[ 279.785638][ T4923] ? snprintf+0xd7/0x120
[ 279.789916][ T4923] ? __free_pages+0x95/0x1a0
[ 279.794558][ T4923] ? vscnprintf+0x80/0x80
[ 279.798914][ T4923] gfs2_fill_super+0x128d/0x1f50
[ 279.803892][ T4923] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.808955][ T4923] ? preempt_count_add+0x8d/0x190
[ 279.814118][ T4923] ? sb_set_blocksize+0xa5/0xe0
[ 279.819007][ T4923] get_tree_bdev+0x3f1/0x610
[ 279.823633][ T4923] ? gfs2_reconfigure+0xcd0/0xcd0
[ 279.828715][ T4923] gfs2_get_tree+0x4d/0x1e0
[ 279.833253][ T4923] vfs_get_tree+0x88/0x270
[ 279.837712][ T4923] do_new_mount+0x24a/0xa40
[ 279.842264][ T4923] __se_sys_mount+0x2d6/0x3c0
[ 279.847157][ T4923] ? __x64_sys_mount+0xc0/0xc0
[ 279.851986][ T4923] ? lockdep_hardirqs_on+0x94/0x140
[ 279.857225][ T4923] ? __x64_sys_mount+0x1c/0xc0
[ 279.862032][ T4923] do_syscall_64+0x4c/0xa0
[ 279.866482][ T4923] ? clear_bhb_loop+0x30/0x80
[ 279.871195][ T4923] ? clear_bhb_loop+0x30/0x80
[ 279.876514][ T4923] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 279.882438][ T4923] RIP: 0033:0x7f2d6a14a76a
[ 279.886881][ T4923] 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
[ 279.906514][ T4923] RSP: 002b:00007f2d697b7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.914969][ T4923] RAX: ffffffffffffffda RBX: 00007f2d697b7ef0 RCX: 00007f2d6a14a76a
[ 279.922976][ T4923] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f2d697b7eb0
[ 279.930970][ T4923] RBP: 0000200000021140 R08: 00007f2d697b7ef0 R09: 0000000000008000
[ 279.938972][ T4923] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 279.946973][ T4923] R13: 00007f2d697b7eb0 R14: 000000000002117d R15: 00002000000211c0
[ 279.954983][ T4923]
[ 279.958029][ T4920] CPU: 0 PID: 4920 Comm: syz.5.244 Not tainted syzkaller #0
[ 279.965354][ T4920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 279.975953][ T4920] Call Trace:
[ 279.979257][ T4920]
[ 279.982210][ T4920] dump_stack_lvl+0x168/0x230
[ 279.986926][ T4920] ? show_regs_print_info+0x20/0x20
[ 279.992161][ T4920] ? load_image+0x3b0/0x3b0
[ 279.996707][ T4920] sysfs_create_dir_ns+0x252/0x280
[ 280.001848][ T4920] ? __lock_acquire+0x7c60/0x7c60
[ 280.006900][ T4920] ? sysfs_warn_dup+0xa0/0xa0
[ 280.011614][ T4920] ? do_raw_spin_unlock+0x11d/0x230
[ 280.016844][ T4920] kobject_add_internal+0x662/0xd00
[ 280.022077][ T4920] kobject_init_and_add+0x122/0x190
[ 280.027305][ T4920] ? lockdep_softirqs_off+0x420/0x420
[ 280.032704][ T4920] ? kobject_add+0x210/0x210
[ 280.037327][ T4920] ? __init_swait_queue_head+0xa5/0x150
[ 280.042905][ T4920] gfs2_sys_fs_add+0x234/0x480
[ 280.047693][ T4920] ? gfs2_recover_set+0x240/0x240
[ 280.052745][ T4920] ? snprintf+0xd7/0x120
[ 280.057019][ T4920] ? __free_pages+0x95/0x1a0
[ 280.061789][ T4920] ? vscnprintf+0x80/0x80
[ 280.066159][ T4920] gfs2_fill_super+0x128d/0x1f50
[ 280.071138][ T4920] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.076884][ T4920] ? preempt_count_add+0x8d/0x190
[ 280.081943][ T4920] ? sb_set_blocksize+0xa5/0xe0
[ 280.086826][ T4920] get_tree_bdev+0x3f1/0x610
[ 280.091448][ T4920] ? gfs2_reconfigure+0xcd0/0xcd0
[ 280.096595][ T4920] gfs2_get_tree+0x4d/0x1e0
[ 280.101130][ T4920] vfs_get_tree+0x88/0x270
[ 280.105574][ T4920] do_new_mount+0x24a/0xa40
[ 280.110211][ T4920] __se_sys_mount+0x2d6/0x3c0
[ 280.114925][ T4920] ? __x64_sys_mount+0xc0/0xc0
[ 280.119726][ T4920] ? lockdep_hardirqs_on+0x94/0x140
[ 280.124956][ T4920] ? __x64_sys_mount+0x1c/0xc0
[ 280.129757][ T4920] do_syscall_64+0x4c/0xa0
[ 280.134200][ T4920] ? clear_bhb_loop+0x30/0x80
[ 280.138919][ T4920] ? clear_bhb_loop+0x30/0x80
[ 280.143625][ T4920] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 280.149558][ T4920] RIP: 0033:0x7ff6ecc5276a
[ 280.154517][ T4920] 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
[ 280.175143][ T4920] RSP: 002b:00007ff6ec2bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.183591][ T4920] RAX: ffffffffffffffda RBX: 00007ff6ec2bfef0 RCX: 00007ff6ecc5276a
[ 280.191594][ T4920] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ff6ec2bfeb0
[ 280.199596][ T4920] RBP: 0000200000021140 R08: 00007ff6ec2bfef0 R09: 0000000000008000
[ 280.207684][ T4920] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 280.215686][ T4920] R13: 00007ff6ec2bfeb0 R14: 000000000002117d R15: 00002000000211c0
[ 280.223036][ T4923] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.223693][ T4920]
[ 280.254123][ T4923] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.263995][ T4920] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.279721][ T4920] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/11/02 20:20:56 executed programs: 240
[ 281.523081][ T4925] loop2: detected capacity change from 0 to 32768
[ 281.585302][ T4927] loop1: detected capacity change from 0 to 32768
[ 281.611830][ T4925] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.643727][ T4925] CPU: 0 PID: 4925 Comm: syz.2.246 Not tainted syzkaller #0
[ 281.651076][ T4925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 281.658181][ T4929] loop0: detected capacity change from 0 to 32768
[ 281.661164][ T4925] Call Trace:
[ 281.661174][ T4925]
[ 281.673824][ T4925] dump_stack_lvl+0x168/0x230
[ 281.678551][ T4925] ? show_regs_print_info+0x20/0x20
[ 281.683792][ T4925] ? load_image+0x3b0/0x3b0
[ 281.688347][ T4925] sysfs_create_dir_ns+0x252/0x280
[ 281.693503][ T4925] ? __lock_acquire+0x7c60/0x7c60
[ 281.698575][ T4925] ? sysfs_warn_dup+0xa0/0xa0
[ 281.703295][ T4925] ? do_raw_spin_unlock+0x11d/0x230
[ 281.708534][ T4925] kobject_add_internal+0x662/0xd00
[ 281.713778][ T4925] kobject_init_and_add+0x122/0x190
[ 281.719011][ T4925] ? lockdep_softirqs_off+0x420/0x420
[ 281.724423][ T4925] ? kobject_add+0x210/0x210
[ 281.729054][ T4925] ? __init_swait_queue_head+0xa5/0x150
[ 281.734727][ T4925] gfs2_sys_fs_add+0x234/0x480
[ 281.739529][ T4925] ? gfs2_recover_set+0x240/0x240
[ 281.744577][ T4925] ? snprintf+0xd7/0x120
[ 281.748841][ T4925] ? __free_pages+0x95/0x1a0
[ 281.753467][ T4925] ? vscnprintf+0x80/0x80
[ 281.757837][ T4925] gfs2_fill_super+0x128d/0x1f50
[ 281.762821][ T4925] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.767871][ T4925] ? preempt_count_add+0x8d/0x190
[ 281.773111][ T4925] ? sb_set_blocksize+0xa5/0xe0
[ 281.777994][ T4925] get_tree_bdev+0x3f1/0x610
[ 281.782612][ T4925] ? gfs2_reconfigure+0xcd0/0xcd0
[ 281.788110][ T4925] gfs2_get_tree+0x4d/0x1e0
[ 281.792667][ T4925] vfs_get_tree+0x88/0x270
[ 281.797127][ T4925] do_new_mount+0x24a/0xa40
[ 281.801665][ T4925] __se_sys_mount+0x2d6/0x3c0
[ 281.806381][ T4925] ? __x64_sys_mount+0xc0/0xc0
[ 281.811175][ T4925] ? lockdep_hardirqs_on+0x94/0x140
[ 281.816394][ T4925] ? __x64_sys_mount+0x1c/0xc0
[ 281.821272][ T4925] do_syscall_64+0x4c/0xa0
[ 281.821345][ T4931] loop4: detected capacity change from 0 to 32768
[ 281.825710][ T4925] ? clear_bhb_loop+0x30/0x80
[ 281.825734][ T4925] ? clear_bhb_loop+0x30/0x80
[ 281.825758][ T4925] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 281.825780][ T4925] RIP: 0033:0x7f64cc7bf76a
[ 281.825799][ T4925] 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
[ 281.825818][ T4925] RSP: 002b:00007f64cbe2ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.880574][ T4925] RAX: ffffffffffffffda RBX: 00007f64cbe2cef0 RCX: 00007f64cc7bf76a
[ 281.888576][ T4925] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f64cbe2ceb0
[ 281.896596][ T4925] RBP: 0000200000021140 R08: 00007f64cbe2cef0 R09: 0000000000008000
[ 281.903742][ T4933] loop5: detected capacity change from 0 to 32768
[ 281.904593][ T4925] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 281.918982][ T4925] R13: 00007f64cbe2ceb0 R14: 000000000002117d R15: 00002000000211c0
[ 281.927002][ T4925]
[ 281.933947][ T4925] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.942974][ T4927] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.957870][ T4925] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.969699][ T4931] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.971056][ T4927] CPU: 0 PID: 4927 Comm: syz.1.247 Not tainted syzkaller #0
[ 281.984401][ T4927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 281.994483][ T4927] Call Trace:
[ 281.997789][ T4927]
[ 281.997819][ T4933] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.000737][ T4927] dump_stack_lvl+0x168/0x230
[ 282.012780][ T4927] ? show_regs_print_info+0x20/0x20
[ 282.018009][ T4927] ? load_image+0x3b0/0x3b0
[ 282.022558][ T4927] sysfs_create_dir_ns+0x252/0x280
[ 282.027795][ T4927] ? __lock_acquire+0x7c60/0x7c60
[ 282.032856][ T4927] ? sysfs_warn_dup+0xa0/0xa0
[ 282.037569][ T4927] ? do_raw_spin_unlock+0x11d/0x230
[ 282.042797][ T4927] kobject_add_internal+0x662/0xd00
[ 282.048039][ T4927] kobject_init_and_add+0x122/0x190
[ 282.053299][ T4927] ? lockdep_softirqs_off+0x420/0x420
[ 282.058711][ T4927] ? kobject_add+0x210/0x210
[ 282.063324][ T4927] ? __init_swait_queue_head+0xa5/0x150
[ 282.068896][ T4927] gfs2_sys_fs_add+0x234/0x480
[ 282.073694][ T4927] ? gfs2_recover_set+0x240/0x240
[ 282.078746][ T4927] ? snprintf+0xd7/0x120
[ 282.083017][ T4927] ? __free_pages+0x95/0x1a0
[ 282.087630][ T4927] ? vscnprintf+0x80/0x80
[ 282.092003][ T4927] gfs2_fill_super+0x128d/0x1f50
[ 282.096985][ T4927] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.102048][ T4927] ? preempt_count_add+0x8d/0x190
[ 282.107116][ T4927] ? sb_set_blocksize+0xa5/0xe0
[ 282.112005][ T4927] get_tree_bdev+0x3f1/0x610
[ 282.116613][ T4927] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.121668][ T4927] gfs2_get_tree+0x4d/0x1e0
[ 282.126200][ T4927] vfs_get_tree+0x88/0x270
[ 282.130640][ T4927] do_new_mount+0x24a/0xa40
[ 282.135178][ T4927] __se_sys_mount+0x2d6/0x3c0
[ 282.139899][ T4927] ? __x64_sys_mount+0xc0/0xc0
[ 282.144782][ T4927] ? lockdep_hardirqs_on+0x94/0x140
[ 282.149995][ T4927] ? __x64_sys_mount+0x1c/0xc0
[ 282.154798][ T4927] do_syscall_64+0x4c/0xa0
[ 282.159351][ T4927] ? clear_bhb_loop+0x30/0x80
[ 282.164045][ T4927] ? clear_bhb_loop+0x30/0x80
[ 282.168745][ T4927] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.174666][ T4927] RIP: 0033:0x7f0ecbade76a
[ 282.179098][ T4927] 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
[ 282.198738][ T4927] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.207181][ T4927] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 282.215171][ T4927] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 282.223156][ T4927] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 282.231145][ T4927] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 282.239143][ T4927] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 282.247144][ T4927]
[ 282.250413][ T4933] CPU: 1 PID: 4933 Comm: syz.5.250 Not tainted syzkaller #0
[ 282.257730][ T4933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 282.262032][ T4927] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.267801][ T4933] Call Trace:
[ 282.267811][ T4933]
[ 282.267820][ T4933] dump_stack_lvl+0x168/0x230
[ 282.281065][ T4927] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.284220][ T4933] ? show_regs_print_info+0x20/0x20
[ 282.303494][ T4933] ? load_image+0x3b0/0x3b0
[ 282.308024][ T4933] sysfs_create_dir_ns+0x252/0x280
[ 282.313146][ T4933] ? __lock_acquire+0x7c60/0x7c60
[ 282.318195][ T4933] ? sysfs_warn_dup+0xa0/0xa0
[ 282.322903][ T4933] ? do_raw_spin_unlock+0x11d/0x230
[ 282.328132][ T4933] kobject_add_internal+0x662/0xd00
[ 282.333355][ T4933] kobject_init_and_add+0x122/0x190
[ 282.338559][ T4933] ? lockdep_softirqs_off+0x420/0x420
[ 282.343944][ T4933] ? kobject_add+0x210/0x210
[ 282.348545][ T4933] ? __init_swait_queue_head+0xa5/0x150
[ 282.354112][ T4933] gfs2_sys_fs_add+0x234/0x480
[ 282.358884][ T4933] ? gfs2_recover_set+0x240/0x240
[ 282.363921][ T4933] ? snprintf+0xd7/0x120
[ 282.368172][ T4933] ? __free_pages+0x95/0x1a0
[ 282.372786][ T4933] ? vscnprintf+0x80/0x80
[ 282.377160][ T4933] gfs2_fill_super+0x128d/0x1f50
[ 282.382116][ T4933] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.387162][ T4933] ? preempt_count_add+0x8d/0x190
[ 282.392200][ T4933] ? sb_set_blocksize+0xa5/0xe0
[ 282.397090][ T4933] get_tree_bdev+0x3f1/0x610
[ 282.401691][ T4933] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.406811][ T4933] gfs2_get_tree+0x4d/0x1e0
[ 282.411324][ T4933] vfs_get_tree+0x88/0x270
[ 282.415749][ T4933] do_new_mount+0x24a/0xa40
[ 282.420262][ T4933] __se_sys_mount+0x2d6/0x3c0
[ 282.424946][ T4933] ? __x64_sys_mount+0xc0/0xc0
[ 282.429722][ T4933] ? lockdep_hardirqs_on+0x94/0x140
[ 282.434923][ T4933] ? __x64_sys_mount+0x1c/0xc0
[ 282.439695][ T4933] do_syscall_64+0x4c/0xa0
[ 282.444221][ T4933] ? clear_bhb_loop+0x30/0x80
[ 282.448923][ T4933] ? clear_bhb_loop+0x30/0x80
[ 282.453624][ T4933] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.459551][ T4933] RIP: 0033:0x7ff6ecc5276a
[ 282.463972][ T4933] 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
[ 282.483670][ T4933] RSP: 002b:00007ff6ec2bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.492180][ T4933] RAX: ffffffffffffffda RBX: 00007ff6ec2bfef0 RCX: 00007ff6ecc5276a
[ 282.500157][ T4933] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ff6ec2bfeb0
[ 282.508243][ T4933] RBP: 0000200000021140 R08: 00007ff6ec2bfef0 R09: 0000000000008000
[ 282.516254][ T4933] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 282.524264][ T4933] R13: 00007ff6ec2bfeb0 R14: 000000000002117d R15: 00002000000211c0
[ 282.532281][ T4933]
[ 282.546109][ T4931] CPU: 0 PID: 4931 Comm: syz.4.249 Not tainted syzkaller #0
[ 282.553453][ T4931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 282.563536][ T4931] Call Trace:
[ 282.567025][ T4931]
[ 282.569980][ T4931] dump_stack_lvl+0x168/0x230
[ 282.575224][ T4931] ? show_regs_print_info+0x20/0x20
[ 282.580474][ T4931] ? load_image+0x3b0/0x3b0
[ 282.585025][ T4931] sysfs_create_dir_ns+0x252/0x280
[ 282.590190][ T4931] ? __lock_acquire+0x7c60/0x7c60
[ 282.595255][ T4931] ? sysfs_warn_dup+0xa0/0xa0
[ 282.599976][ T4931] ? do_raw_spin_unlock+0x11d/0x230
[ 282.605221][ T4931] kobject_add_internal+0x662/0xd00
[ 282.610465][ T4931] kobject_init_and_add+0x122/0x190
[ 282.615701][ T4931] ? lockdep_softirqs_off+0x420/0x420
[ 282.621109][ T4931] ? kobject_add+0x210/0x210
[ 282.625738][ T4931] ? __init_swait_queue_head+0xa5/0x150
[ 282.631318][ T4931] gfs2_sys_fs_add+0x234/0x480
[ 282.636118][ T4931] ? gfs2_recover_set+0x240/0x240
[ 282.641183][ T4931] ? snprintf+0xd7/0x120
[ 282.645465][ T4931] ? __free_pages+0x95/0x1a0
[ 282.650085][ T4931] ? vscnprintf+0x80/0x80
[ 282.654459][ T4931] gfs2_fill_super+0x128d/0x1f50
[ 282.659448][ T4931] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.664502][ T4931] ? preempt_count_add+0x8d/0x190
[ 282.669585][ T4931] ? sb_set_blocksize+0xa5/0xe0
[ 282.674473][ T4931] get_tree_bdev+0x3f1/0x610
[ 282.679076][ T4931] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.684127][ T4931] gfs2_get_tree+0x4d/0x1e0
[ 282.688654][ T4931] vfs_get_tree+0x88/0x270
[ 282.693080][ T4931] do_new_mount+0x24a/0xa40
[ 282.697602][ T4931] __se_sys_mount+0x2d6/0x3c0
[ 282.702427][ T4931] ? __x64_sys_mount+0xc0/0xc0
[ 282.707227][ T4931] ? lockdep_hardirqs_on+0x94/0x140
[ 282.712436][ T4931] ? __x64_sys_mount+0x1c/0xc0
[ 282.717240][ T4931] do_syscall_64+0x4c/0xa0
[ 282.721667][ T4931] ? clear_bhb_loop+0x30/0x80
[ 282.726347][ T4931] ? clear_bhb_loop+0x30/0x80
[ 282.731047][ T4931] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 282.736955][ T4931] RIP: 0033:0x7f2d6a14a76a
[ 282.741378][ T4931] 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
[ 282.760986][ T4931] RSP: 002b:00007f2d697b7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.769413][ T4931] RAX: ffffffffffffffda RBX: 00007f2d697b7ef0 RCX: 00007f2d6a14a76a
[ 282.777391][ T4931] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f2d697b7eb0
[ 282.785363][ T4931] RBP: 0000200000021140 R08: 00007f2d697b7ef0 R09: 0000000000008000
[ 282.793355][ T4931] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 282.801346][ T4931] R13: 00007f2d697b7eb0 R14: 000000000002117d R15: 00002000000211c0
[ 282.809350][ T4931]
[ 282.828219][ T4929] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.840412][ T4929] CPU: 1 PID: 4929 Comm: syz.0.248 Not tainted syzkaller #0
[ 282.847755][ T4929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 282.857842][ T4929] Call Trace:
[ 282.861152][ T4929]
[ 282.864103][ T4929] dump_stack_lvl+0x168/0x230
[ 282.865775][ T4933] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.868816][ T4929] ? show_regs_print_info+0x20/0x20
[ 282.888451][ T4929] ? load_image+0x3b0/0x3b0
[ 282.892999][ T4929] sysfs_create_dir_ns+0x252/0x280
[ 282.898144][ T4929] ? __lock_acquire+0x7c60/0x7c60
[ 282.903202][ T4929] ? sysfs_warn_dup+0xa0/0xa0
[ 282.907917][ T4929] ? do_raw_spin_unlock+0x11d/0x230
[ 282.913146][ T4929] kobject_add_internal+0x662/0xd00
[ 282.918382][ T4929] kobject_init_and_add+0x122/0x190
[ 282.923611][ T4929] ? lockdep_softirqs_off+0x420/0x420
[ 282.925740][ T4933] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.929013][ T4929] ? kobject_add+0x210/0x210
[ 282.929044][ T4929] ? __init_swait_queue_head+0xa5/0x150
[ 282.945697][ T4929] gfs2_sys_fs_add+0x234/0x480
[ 282.950497][ T4929] ? gfs2_recover_set+0x240/0x240
[ 282.955645][ T4929] ? snprintf+0xd7/0x120
[ 282.959923][ T4929] ? __free_pages+0x95/0x1a0
[ 282.964556][ T4929] ? vscnprintf+0x80/0x80
[ 282.968931][ T4929] gfs2_fill_super+0x128d/0x1f50
[ 282.973917][ T4929] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.978988][ T4929] ? preempt_count_add+0x8d/0x190
[ 282.984059][ T4929] ? sb_set_blocksize+0xa5/0xe0
[ 282.988944][ T4929] get_tree_bdev+0x3f1/0x610
[ 282.993578][ T4929] ? gfs2_reconfigure+0xcd0/0xcd0
[ 282.998629][ T4929] gfs2_get_tree+0x4d/0x1e0
[ 283.003164][ T4929] vfs_get_tree+0x88/0x270
[ 283.007616][ T4929] do_new_mount+0x24a/0xa40
[ 283.012160][ T4929] __se_sys_mount+0x2d6/0x3c0
[ 283.016875][ T4929] ? __x64_sys_mount+0xc0/0xc0
[ 283.021671][ T4929] ? lockdep_hardirqs_on+0x94/0x140
[ 283.026933][ T4929] ? __x64_sys_mount+0x1c/0xc0
[ 283.031728][ T4929] do_syscall_64+0x4c/0xa0
[ 283.036173][ T4929] ? clear_bhb_loop+0x30/0x80
[ 283.040880][ T4929] ? clear_bhb_loop+0x30/0x80
[ 283.045586][ T4929] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 283.051585][ T4929] RIP: 0033:0x7f571ebd776a
[ 283.056026][ T4929] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 283.075756][ T4929] RSP: 002b:00007f571e244e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.084213][ T4929] RAX: ffffffffffffffda RBX: 00007f571e244ef0 RCX: 00007f571ebd776a
[ 283.092260][ T4929] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f571e244eb0
[ 283.100276][ T4929] RBP: 0000200000021140 R08: 00007f571e244ef0 R09: 0000000000008000
[ 283.108276][ T4929] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 283.116273][ T4929] R13: 00007f571e244eb0 R14: 000000000002117d R15: 00002000000211c0
[ 283.124288][ T4929]
[ 283.232022][ T4929] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.255729][ T4931] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.315108][ T4929] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.359190][ T4931] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.894029][ T4935] loop2: detected capacity change from 0 to 32768
[ 283.971366][ T4935] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.024607][ T4935] CPU: 0 PID: 4935 Comm: syz.2.251 Not tainted syzkaller #0
[ 284.031956][ T4935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 284.042046][ T4935] Call Trace:
[ 284.045353][ T4935]
[ 284.048313][ T4935] dump_stack_lvl+0x168/0x230
[ 284.053291][ T4935] ? show_regs_print_info+0x20/0x20
[ 284.058539][ T4935] ? load_image+0x3b0/0x3b0
[ 284.063093][ T4935] sysfs_create_dir_ns+0x252/0x280
[ 284.068334][ T4935] ? __lock_acquire+0x7c60/0x7c60
[ 284.074007][ T4935] ? sysfs_warn_dup+0xa0/0xa0
[ 284.078736][ T4935] ? do_raw_spin_unlock+0x11d/0x230
[ 284.083976][ T4935] kobject_add_internal+0x662/0xd00
[ 284.089210][ T4935] kobject_init_and_add+0x122/0x190
[ 284.094443][ T4935] ? lockdep_softirqs_off+0x420/0x420
[ 284.099860][ T4935] ? kobject_add+0x210/0x210
[ 284.104493][ T4935] ? __init_swait_queue_head+0xa5/0x150
[ 284.110076][ T4935] gfs2_sys_fs_add+0x234/0x480
[ 284.114869][ T4935] ? gfs2_recover_set+0x240/0x240
[ 284.119914][ T4935] ? snprintf+0xd7/0x120
[ 284.124183][ T4935] ? __free_pages+0x95/0x1a0
[ 284.128801][ T4935] ? vscnprintf+0x80/0x80
[ 284.133176][ T4935] gfs2_fill_super+0x128d/0x1f50
[ 284.138156][ T4935] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.143216][ T4935] ? preempt_count_add+0x8d/0x190
[ 284.148285][ T4935] ? sb_set_blocksize+0xa5/0xe0
[ 284.153196][ T4935] get_tree_bdev+0x3f1/0x610
[ 284.157823][ T4935] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.162880][ T4935] gfs2_get_tree+0x4d/0x1e0
[ 284.167420][ T4935] vfs_get_tree+0x88/0x270
[ 284.171871][ T4935] do_new_mount+0x24a/0xa40
[ 284.176413][ T4935] __se_sys_mount+0x2d6/0x3c0
[ 284.181147][ T4935] ? __x64_sys_mount+0xc0/0xc0
[ 284.185949][ T4935] ? lockdep_hardirqs_on+0x94/0x140
[ 284.191176][ T4935] ? __x64_sys_mount+0x1c/0xc0
[ 284.195974][ T4935] do_syscall_64+0x4c/0xa0
[ 284.200414][ T4935] ? clear_bhb_loop+0x30/0x80
[ 284.205116][ T4935] ? clear_bhb_loop+0x30/0x80
[ 284.209821][ T4935] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 284.215745][ T4935] RIP: 0033:0x7f64cc7bf76a
[ 284.220284][ T4935] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 284.239914][ T4935] RSP: 002b:00007f64cbe2ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.248367][ T4935] RAX: ffffffffffffffda RBX: 00007f64cbe2cef0 RCX: 00007f64cc7bf76a
[ 284.256404][ T4935] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f64cbe2ceb0
[ 284.264420][ T4935] RBP: 0000200000021140 R08: 00007f64cbe2cef0 R09: 0000000000008000
[ 284.272439][ T4935] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 284.280448][ T4935] R13: 00007f64cbe2ceb0 R14: 000000000002117d R15: 00002000000211c0
[ 284.288485][ T4935]
[ 284.608877][ T4937] loop5: detected capacity change from 0 to 32768
[ 284.636424][ T4937] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.645072][ T4937] CPU: 0 PID: 4937 Comm: syz.5.252 Not tainted syzkaller #0
[ 284.652400][ T4937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 284.662478][ T4937] Call Trace:
[ 284.665787][ T4937]
[ 284.668734][ T4937] dump_stack_lvl+0x168/0x230
[ 284.673449][ T4937] ? show_regs_print_info+0x20/0x20
[ 284.678683][ T4937] ? load_image+0x3b0/0x3b0
[ 284.683227][ T4937] sysfs_create_dir_ns+0x252/0x280
[ 284.688371][ T4937] ? __lock_acquire+0x7c60/0x7c60
[ 284.693445][ T4937] ? sysfs_warn_dup+0xa0/0xa0
[ 284.698257][ T4937] ? do_raw_spin_unlock+0x11d/0x230
[ 284.703490][ T4937] kobject_add_internal+0x662/0xd00
[ 284.708724][ T4937] kobject_init_and_add+0x122/0x190
[ 284.713950][ T4937] ? lockdep_softirqs_off+0x420/0x420
[ 284.719355][ T4937] ? kobject_add+0x210/0x210
[ 284.723978][ T4937] ? __init_swait_queue_head+0xa5/0x150
[ 284.729561][ T4937] gfs2_sys_fs_add+0x234/0x480
[ 284.734451][ T4937] ? gfs2_recover_set+0x240/0x240
[ 284.739510][ T4937] ? snprintf+0xd7/0x120
[ 284.743779][ T4937] ? __free_pages+0x95/0x1a0
[ 284.748494][ T4937] ? vscnprintf+0x80/0x80
[ 284.752865][ T4937] gfs2_fill_super+0x128d/0x1f50
[ 284.757841][ T4937] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.762912][ T4937] ? preempt_count_add+0x8d/0x190
[ 284.767976][ T4937] ? sb_set_blocksize+0xa5/0xe0
[ 284.772872][ T4937] get_tree_bdev+0x3f1/0x610
[ 284.777489][ T4937] ? gfs2_reconfigure+0xcd0/0xcd0
[ 284.782538][ T4937] gfs2_get_tree+0x4d/0x1e0
[ 284.787076][ T4937] vfs_get_tree+0x88/0x270
[ 284.791522][ T4937] do_new_mount+0x24a/0xa40
[ 284.796151][ T4937] __se_sys_mount+0x2d6/0x3c0
[ 284.800964][ T4937] ? __x64_sys_mount+0xc0/0xc0
[ 284.805777][ T4937] ? lockdep_hardirqs_on+0x94/0x140
[ 284.811004][ T4937] ? __x64_sys_mount+0x1c/0xc0
[ 284.815804][ T4937] do_syscall_64+0x4c/0xa0
[ 284.820244][ T4937] ? clear_bhb_loop+0x30/0x80
[ 284.824947][ T4937] ? clear_bhb_loop+0x30/0x80
[ 284.829919][ T4937] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 284.835842][ T4937] RIP: 0033:0x7ff6ecc5276a
[ 284.840286][ T4937] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 284.860034][ T4937] RSP: 002b:00007ff6ec2bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.868486][ T4937] RAX: ffffffffffffffda RBX: 00007ff6ec2bfef0 RCX: 00007ff6ecc5276a
[ 284.876491][ T4937] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ff6ec2bfeb0
[ 284.884507][ T4937] RBP: 0000200000021140 R08: 00007ff6ec2bfef0 R09: 0000000000008000
[ 284.892509][ T4937] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 284.900606][ T4937] R13: 00007ff6ec2bfeb0 R14: 000000000002117d R15: 00002000000211c0
[ 284.908624][ T4937]
[ 284.940241][ T4939] loop0: detected capacity change from 0 to 32768
[ 284.950271][ T4935] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.985927][ T4937] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.999621][ T4935] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.017743][ T4939] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.033579][ T4939] CPU: 1 PID: 4939 Comm: syz.0.253 Not tainted syzkaller #0
[ 285.040913][ T4939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 285.050995][ T4939] Call Trace:
[ 285.054299][ T4939]
[ 285.057247][ T4939] dump_stack_lvl+0x168/0x230
[ 285.061960][ T4939] ? show_regs_print_info+0x20/0x20
[ 285.067183][ T4939] ? load_image+0x3b0/0x3b0
[ 285.071738][ T4939] sysfs_create_dir_ns+0x252/0x280
[ 285.076903][ T4939] ? __lock_acquire+0x7c60/0x7c60
[ 285.081971][ T4939] ? sysfs_warn_dup+0xa0/0xa0
[ 285.086699][ T4939] ? do_raw_spin_unlock+0x11d/0x230
[ 285.091934][ T4939] kobject_add_internal+0x662/0xd00
[ 285.097170][ T4939] kobject_init_and_add+0x122/0x190
[ 285.102397][ T4939] ? lockdep_softirqs_off+0x420/0x420
[ 285.107807][ T4939] ? kobject_add+0x210/0x210
[ 285.112446][ T4939] ? __init_swait_queue_head+0xa5/0x150
[ 285.118035][ T4939] gfs2_sys_fs_add+0x234/0x480
[ 285.122843][ T4939] ? gfs2_recover_set+0x240/0x240
[ 285.127906][ T4939] ? snprintf+0xd7/0x120
[ 285.132264][ T4939] ? __free_pages+0x95/0x1a0
[ 285.136890][ T4939] ? vscnprintf+0x80/0x80
[ 285.141257][ T4939] gfs2_fill_super+0x128d/0x1f50
[ 285.146234][ T4939] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.151333][ T4939] ? preempt_count_add+0x8d/0x190
[ 285.156446][ T4939] ? sb_set_blocksize+0xa5/0xe0
[ 285.161324][ T4939] get_tree_bdev+0x3f1/0x610
[ 285.165940][ T4939] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.171002][ T4939] gfs2_get_tree+0x4d/0x1e0
[ 285.175627][ T4939] vfs_get_tree+0x88/0x270
[ 285.180074][ T4939] do_new_mount+0x24a/0xa40
[ 285.184621][ T4939] __se_sys_mount+0x2d6/0x3c0
[ 285.189366][ T4939] ? __x64_sys_mount+0xc0/0xc0
[ 285.194165][ T4939] ? lockdep_hardirqs_on+0x94/0x140
[ 285.199384][ T4939] ? __x64_sys_mount+0x1c/0xc0
[ 285.204183][ T4939] do_syscall_64+0x4c/0xa0
[ 285.204379][ T4943] loop4: detected capacity change from 0 to 32768
[ 285.208617][ T4939] ? clear_bhb_loop+0x30/0x80
[ 285.208642][ T4939] ? clear_bhb_loop+0x30/0x80
[ 285.224449][ T4939] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.230387][ T4939] RIP: 0033:0x7f571ebd776a
[ 285.230918][ T4943] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.234836][ T4939] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 285.262097][ T4939] RSP: 002b:00007f571e244e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.270553][ T4939] RAX: ffffffffffffffda RBX: 00007f571e244ef0 RCX: 00007f571ebd776a
[ 285.279349][ T4939] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f571e244eb0
[ 285.287355][ T4939] RBP: 0000200000021140 R08: 00007f571e244ef0 R09: 0000000000008000
[ 285.295359][ T4939] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 285.303357][ T4939] R13: 00007f571e244eb0 R14: 000000000002117d R15: 00002000000211c0
[ 285.311370][ T4939]
[ 285.324119][ T4937] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.363049][ T4943] CPU: 0 PID: 4943 Comm: syz.4.255 Not tainted syzkaller #0
[ 285.370399][ T4943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 285.380484][ T4943] Call Trace:
[ 285.383787][ T4943]
[ 285.386735][ T4943] dump_stack_lvl+0x168/0x230
[ 285.391450][ T4943] ? show_regs_print_info+0x20/0x20
[ 285.396670][ T4943] ? load_image+0x3b0/0x3b0
[ 285.401207][ T4943] sysfs_create_dir_ns+0x252/0x280
[ 285.406346][ T4943] ? __lock_acquire+0x7c60/0x7c60
[ 285.411408][ T4943] ? sysfs_warn_dup+0xa0/0xa0
[ 285.416115][ T4943] ? do_raw_spin_unlock+0x11d/0x230
[ 285.421343][ T4943] kobject_add_internal+0x662/0xd00
[ 285.426589][ T4943] kobject_init_and_add+0x122/0x190
[ 285.431809][ T4943] ? lockdep_softirqs_off+0x420/0x420
[ 285.437296][ T4943] ? kobject_add+0x210/0x210
[ 285.441931][ T4943] ? __init_swait_queue_head+0xa5/0x150
[ 285.447520][ T4943] gfs2_sys_fs_add+0x234/0x480
[ 285.452318][ T4943] ? gfs2_recover_set+0x240/0x240
[ 285.457395][ T4943] ? snprintf+0xd7/0x120
[ 285.461755][ T4943] ? __free_pages+0x95/0x1a0
[ 285.466375][ T4943] ? vscnprintf+0x80/0x80
[ 285.470768][ T4943] gfs2_fill_super+0x128d/0x1f50
[ 285.475747][ T4943] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.480802][ T4943] ? preempt_count_add+0x8d/0x190
[ 285.485866][ T4943] ? sb_set_blocksize+0xa5/0xe0
[ 285.490747][ T4943] get_tree_bdev+0x3f1/0x610
[ 285.495363][ T4943] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.500423][ T4943] gfs2_get_tree+0x4d/0x1e0
[ 285.504955][ T4943] vfs_get_tree+0x88/0x270
[ 285.509406][ T4943] do_new_mount+0x24a/0xa40
[ 285.514086][ T4943] __se_sys_mount+0x2d6/0x3c0
[ 285.518801][ T4943] ? __x64_sys_mount+0xc0/0xc0
[ 285.523601][ T4943] ? lockdep_hardirqs_on+0x94/0x140
[ 285.528841][ T4943] ? __x64_sys_mount+0x1c/0xc0
[ 285.533633][ T4943] do_syscall_64+0x4c/0xa0
[ 285.538078][ T4943] ? clear_bhb_loop+0x30/0x80
[ 285.542865][ T4943] ? clear_bhb_loop+0x30/0x80
[ 285.547575][ T4943] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.553507][ T4943] RIP: 0033:0x7f2d6a14a76a
[ 285.557950][ T4943] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 285.578019][ T4943] RSP: 002b:00007f2d697b7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.586569][ T4943] RAX: ffffffffffffffda RBX: 00007f2d697b7ef0 RCX: 00007f2d6a14a76a
[ 285.594577][ T4943] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f2d697b7eb0
[ 285.595376][ T4941] loop1: detected capacity change from 0 to 32768
[ 285.602659][ T4943] RBP: 0000200000021140 R08: 00007f2d697b7ef0 R09: 0000000000008000
[ 285.602677][ T4943] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 285.602691][ T4943] R13: 00007f2d697b7eb0 R14: 000000000002117d R15: 00002000000211c0
[ 285.602722][ T4943]
[ 285.614135][ T4943] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
2025/11/02 20:21:01 executed programs: 249
[ 285.656012][ T4939] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.668679][ T4943] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.678588][ T4939] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.718980][ T4941] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.726867][ T4941] CPU: 1 PID: 4941 Comm: syz.1.254 Not tainted syzkaller #0
[ 285.734186][ T4941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 285.744270][ T4941] Call Trace:
[ 285.747603][ T4941]
[ 285.750646][ T4941] dump_stack_lvl+0x168/0x230
[ 285.755368][ T4941] ? show_regs_print_info+0x20/0x20
[ 285.760677][ T4941] ? load_image+0x3b0/0x3b0
[ 285.765237][ T4941] sysfs_create_dir_ns+0x252/0x280
[ 285.770388][ T4941] ? __lock_acquire+0x7c60/0x7c60
[ 285.775450][ T4941] ? sysfs_warn_dup+0xa0/0xa0
[ 285.780172][ T4941] ? do_raw_spin_unlock+0x11d/0x230
[ 285.785421][ T4941] kobject_add_internal+0x662/0xd00
[ 285.790667][ T4941] kobject_init_and_add+0x122/0x190
[ 285.795905][ T4941] ? lockdep_softirqs_off+0x420/0x420
[ 285.801326][ T4941] ? kobject_add+0x210/0x210
[ 285.805956][ T4941] ? __init_swait_queue_head+0xa5/0x150
[ 285.811551][ T4941] gfs2_sys_fs_add+0x234/0x480
[ 285.816359][ T4941] ? gfs2_recover_set+0x240/0x240
[ 285.821412][ T4941] ? snprintf+0xd7/0x120
[ 285.825684][ T4941] ? __free_pages+0x95/0x1a0
[ 285.830321][ T4941] ? vscnprintf+0x80/0x80
[ 285.834695][ T4941] gfs2_fill_super+0x128d/0x1f50
[ 285.839736][ T4941] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.844799][ T4941] ? preempt_count_add+0x8d/0x190
[ 285.849857][ T4941] ? sb_set_blocksize+0xa5/0xe0
[ 285.854747][ T4941] get_tree_bdev+0x3f1/0x610
[ 285.859391][ T4941] ? gfs2_reconfigure+0xcd0/0xcd0
[ 285.864463][ T4941] gfs2_get_tree+0x4d/0x1e0
[ 285.869007][ T4941] vfs_get_tree+0x88/0x270
[ 285.874063][ T4941] do_new_mount+0x24a/0xa40
[ 285.879215][ T4941] __se_sys_mount+0x2d6/0x3c0
[ 285.883973][ T4941] ? __x64_sys_mount+0xc0/0xc0
[ 285.888773][ T4941] ? lockdep_hardirqs_on+0x94/0x140
[ 285.894001][ T4941] ? __x64_sys_mount+0x1c/0xc0
[ 285.898882][ T4941] do_syscall_64+0x4c/0xa0
[ 285.903329][ T4941] ? clear_bhb_loop+0x30/0x80
[ 285.908038][ T4941] ? clear_bhb_loop+0x30/0x80
[ 285.912745][ T4941] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 285.918672][ T4941] RIP: 0033:0x7f0ecbade76a
[ 285.923111][ T4941] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 285.942746][ T4941] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.951200][ T4941] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 285.959318][ T4941] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 285.967338][ T4941] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 285.975357][ T4941] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 285.983366][ T4941] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 285.991390][ T4941]
[ 286.013679][ T4941] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.033787][ T4941] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.930431][ T4945] loop2: detected capacity change from 0 to 32768
[ 287.039374][ T4945] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.068149][ T4945] CPU: 0 PID: 4945 Comm: syz.2.256 Not tainted syzkaller #0
[ 287.075524][ T4945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 287.085864][ T4945] Call Trace:
[ 287.089175][ T4945]
[ 287.092131][ T4945] dump_stack_lvl+0x168/0x230
[ 287.096843][ T4945] ? show_regs_print_info+0x20/0x20
[ 287.102071][ T4945] ? load_image+0x3b0/0x3b0
[ 287.106615][ T4945] sysfs_create_dir_ns+0x252/0x280
[ 287.111762][ T4945] ? __lock_acquire+0x7c60/0x7c60
[ 287.116823][ T4945] ? sysfs_warn_dup+0xa0/0xa0
[ 287.121542][ T4945] ? do_raw_spin_unlock+0x11d/0x230
[ 287.126772][ T4945] kobject_add_internal+0x662/0xd00
[ 287.132005][ T4945] kobject_init_and_add+0x122/0x190
[ 287.137233][ T4945] ? lockdep_softirqs_off+0x420/0x420
[ 287.142642][ T4945] ? kobject_add+0x210/0x210
[ 287.147269][ T4945] ? __init_swait_queue_head+0xa5/0x150
[ 287.152858][ T4945] gfs2_sys_fs_add+0x234/0x480
[ 287.157661][ T4945] ? gfs2_recover_set+0x240/0x240
[ 287.162725][ T4945] ? snprintf+0xd7/0x120
[ 287.167007][ T4945] ? __free_pages+0x95/0x1a0
[ 287.171638][ T4945] ? vscnprintf+0x80/0x80
[ 287.176016][ T4945] gfs2_fill_super+0x128d/0x1f50
[ 287.181181][ T4945] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.186256][ T4945] ? preempt_count_add+0x8d/0x190
[ 287.191335][ T4945] ? sb_set_blocksize+0xa5/0xe0
[ 287.196219][ T4945] get_tree_bdev+0x3f1/0x610
[ 287.200847][ T4945] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.205909][ T4945] gfs2_get_tree+0x4d/0x1e0
[ 287.210452][ T4945] vfs_get_tree+0x88/0x270
[ 287.214897][ T4945] do_new_mount+0x24a/0xa40
[ 287.219443][ T4945] __se_sys_mount+0x2d6/0x3c0
[ 287.224161][ T4945] ? __x64_sys_mount+0xc0/0xc0
[ 287.228954][ T4945] ? lockdep_hardirqs_on+0x94/0x140
[ 287.234187][ T4945] ? __x64_sys_mount+0x1c/0xc0
[ 287.238984][ T4945] do_syscall_64+0x4c/0xa0
[ 287.243559][ T4945] ? clear_bhb_loop+0x30/0x80
[ 287.248276][ T4945] ? clear_bhb_loop+0x30/0x80
[ 287.252998][ T4945] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 287.259014][ T4945] RIP: 0033:0x7f64cc7bf76a
[ 287.263459][ T4945] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 287.283106][ T4945] RSP: 002b:00007f64cbe2ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.291557][ T4945] RAX: ffffffffffffffda RBX: 00007f64cbe2cef0 RCX: 00007f64cc7bf76a
[ 287.299577][ T4945] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f64cbe2ceb0
[ 287.307584][ T4945] RBP: 0000200000021140 R08: 00007f64cbe2cef0 R09: 0000000000008000
[ 287.315589][ T4945] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 287.323683][ T4945] R13: 00007f64cbe2ceb0 R14: 000000000002117d R15: 00002000000211c0
[ 287.331705][ T4945]
[ 287.436371][ T4945] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.470134][ T4945] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.620672][ T4950] loop4: detected capacity change from 0 to 32768
[ 287.660886][ T4950] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.686501][ T4950] CPU: 1 PID: 4950 Comm: syz.4.259 Not tainted syzkaller #0
[ 287.687523][ T4951] loop0: detected capacity change from 0 to 32768
[ 287.694966][ T4950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 287.711477][ T4950] Call Trace:
[ 287.714793][ T4950]
[ 287.717765][ T4950] dump_stack_lvl+0x168/0x230
[ 287.722592][ T4950] ? show_regs_print_info+0x20/0x20
[ 287.727840][ T4950] ? load_image+0x3b0/0x3b0
[ 287.732387][ T4950] sysfs_create_dir_ns+0x252/0x280
[ 287.737536][ T4950] ? __lock_acquire+0x7c60/0x7c60
[ 287.742588][ T4950] ? sysfs_warn_dup+0xa0/0xa0
[ 287.747332][ T4950] ? do_raw_spin_unlock+0x11d/0x230
[ 287.752569][ T4950] kobject_add_internal+0x662/0xd00
[ 287.757798][ T4950] kobject_init_and_add+0x122/0x190
[ 287.759247][ T4947] loop5: detected capacity change from 0 to 32768
[ 287.763028][ T4950] ? lockdep_softirqs_off+0x420/0x420
[ 287.763059][ T4950] ? kobject_add+0x210/0x210
[ 287.763087][ T4950] ? __init_swait_queue_head+0xa5/0x150
[ 287.785880][ T4950] gfs2_sys_fs_add+0x234/0x480
[ 287.790676][ T4950] ? gfs2_recover_set+0x240/0x240
[ 287.795725][ T4950] ? snprintf+0xd7/0x120
[ 287.799989][ T4950] ? __free_pages+0x95/0x1a0
[ 287.804610][ T4950] ? vscnprintf+0x80/0x80
[ 287.808976][ T4950] gfs2_fill_super+0x128d/0x1f50
[ 287.813956][ T4950] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.819095][ T4950] ? preempt_count_add+0x8d/0x190
[ 287.824159][ T4950] ? sb_set_blocksize+0xa5/0xe0
[ 287.829051][ T4950] get_tree_bdev+0x3f1/0x610
[ 287.833681][ T4950] ? gfs2_reconfigure+0xcd0/0xcd0
[ 287.838738][ T4950] gfs2_get_tree+0x4d/0x1e0
[ 287.843283][ T4950] vfs_get_tree+0x88/0x270
[ 287.847730][ T4950] do_new_mount+0x24a/0xa40
[ 287.852270][ T4950] __se_sys_mount+0x2d6/0x3c0
[ 287.856977][ T4950] ? __x64_sys_mount+0xc0/0xc0
[ 287.861776][ T4950] ? lockdep_hardirqs_on+0x94/0x140
[ 287.867012][ T4950] ? __x64_sys_mount+0x1c/0xc0
[ 287.871813][ T4950] do_syscall_64+0x4c/0xa0
[ 287.877655][ T4950] ? clear_bhb_loop+0x30/0x80
[ 287.882372][ T4950] ? clear_bhb_loop+0x30/0x80
[ 287.887084][ T4950] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 287.893003][ T4950] RIP: 0033:0x7f2d6a14a76a
[ 287.897453][ T4950] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 287.917082][ T4950] RSP: 002b:00007f2d697b7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.925525][ T4950] RAX: ffffffffffffffda RBX: 00007f2d697b7ef0 RCX: 00007f2d6a14a76a
[ 287.933518][ T4950] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f2d697b7eb0
[ 287.941519][ T4950] RBP: 0000200000021140 R08: 00007f2d697b7ef0 R09: 0000000000008000
[ 287.949611][ T4950] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 287.957614][ T4950] R13: 00007f2d697b7eb0 R14: 000000000002117d R15: 00002000000211c0
[ 287.965626][ T4950]
[ 287.983140][ T4950] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.989742][ T4953] loop1: detected capacity change from 0 to 32768
[ 287.997699][ T4950] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.021857][ T4947] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.029554][ T4951] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.065719][ T4947] CPU: 0 PID: 4947 Comm: syz.5.257 Not tainted syzkaller #0
[ 288.073065][ T4947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 288.083156][ T4947] Call Trace:
[ 288.086456][ T4947]
[ 288.089405][ T4947] dump_stack_lvl+0x168/0x230
[ 288.093969][ T4953] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.094112][ T4947] ? show_regs_print_info+0x20/0x20
[ 288.106672][ T4947] ? load_image+0x3b0/0x3b0
[ 288.111229][ T4947] sysfs_create_dir_ns+0x252/0x280
[ 288.116369][ T4947] ? __lock_acquire+0x7c60/0x7c60
[ 288.121413][ T4947] ? sysfs_warn_dup+0xa0/0xa0
[ 288.126114][ T4947] ? do_raw_spin_unlock+0x11d/0x230
[ 288.131353][ T4947] kobject_add_internal+0x662/0xd00
[ 288.136582][ T4947] kobject_init_and_add+0x122/0x190
[ 288.141792][ T4947] ? lockdep_softirqs_off+0x420/0x420
[ 288.147185][ T4947] ? kobject_add+0x210/0x210
[ 288.152918][ T4947] ? __init_swait_queue_head+0xa5/0x150
[ 288.158499][ T4947] gfs2_sys_fs_add+0x234/0x480
[ 288.163290][ T4947] ? gfs2_recover_set+0x240/0x240
[ 288.168332][ T4947] ? snprintf+0xd7/0x120
[ 288.172598][ T4947] ? __free_pages+0x95/0x1a0
[ 288.177646][ T4947] ? vscnprintf+0x80/0x80
[ 288.182013][ T4947] gfs2_fill_super+0x128d/0x1f50
[ 288.186992][ T4947] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.192050][ T4947] ? preempt_count_add+0x8d/0x190
[ 288.197123][ T4947] ? sb_set_blocksize+0xa5/0xe0
[ 288.202012][ T4947] get_tree_bdev+0x3f1/0x610
[ 288.206631][ T4947] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.211674][ T4947] gfs2_get_tree+0x4d/0x1e0
[ 288.216205][ T4947] vfs_get_tree+0x88/0x270
[ 288.220637][ T4947] do_new_mount+0x24a/0xa40
[ 288.225159][ T4947] __se_sys_mount+0x2d6/0x3c0
[ 288.229866][ T4947] ? __x64_sys_mount+0xc0/0xc0
[ 288.234661][ T4947] ? lockdep_hardirqs_on+0x94/0x140
[ 288.239879][ T4947] ? __x64_sys_mount+0x1c/0xc0
[ 288.244676][ T4947] do_syscall_64+0x4c/0xa0
[ 288.249119][ T4947] ? clear_bhb_loop+0x30/0x80
[ 288.253805][ T4947] ? clear_bhb_loop+0x30/0x80
[ 288.258500][ T4947] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.264419][ T4947] RIP: 0033:0x7ff6ecc5276a
[ 288.268852][ T4947] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 288.288476][ T4947] RSP: 002b:00007ff6ec2bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.296922][ T4947] RAX: ffffffffffffffda RBX: 00007ff6ec2bfef0 RCX: 00007ff6ecc5276a
[ 288.304928][ T4947] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ff6ec2bfeb0
[ 288.312925][ T4947] RBP: 0000200000021140 R08: 00007ff6ec2bfef0 R09: 0000000000008000
[ 288.320919][ T4947] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 288.328911][ T4947] R13: 00007ff6ec2bfeb0 R14: 000000000002117d R15: 00002000000211c0
[ 288.336920][ T4947]
[ 288.349237][ T4953] CPU: 1 PID: 4953 Comm: syz.1.260 Not tainted syzkaller #0
[ 288.356583][ T4953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 288.366841][ T4953] Call Trace:
[ 288.370402][ T4953]
[ 288.373372][ T4953] dump_stack_lvl+0x168/0x230
[ 288.378109][ T4953] ? show_regs_print_info+0x20/0x20
[ 288.383444][ T4953] ? load_image+0x3b0/0x3b0
[ 288.388002][ T4953] sysfs_create_dir_ns+0x252/0x280
[ 288.393177][ T4953] ? __lock_acquire+0x7c60/0x7c60
[ 288.398238][ T4953] ? sysfs_warn_dup+0xa0/0xa0
[ 288.402958][ T4953] ? do_raw_spin_unlock+0x11d/0x230
[ 288.408192][ T4953] kobject_add_internal+0x662/0xd00
[ 288.413433][ T4953] kobject_init_and_add+0x122/0x190
[ 288.418665][ T4953] ? lockdep_softirqs_off+0x420/0x420
[ 288.424082][ T4953] ? kobject_add+0x210/0x210
[ 288.428710][ T4953] ? __init_swait_queue_head+0xa5/0x150
[ 288.434477][ T4953] gfs2_sys_fs_add+0x234/0x480
[ 288.439278][ T4953] ? gfs2_recover_set+0x240/0x240
[ 288.444342][ T4953] ? snprintf+0xd7/0x120
[ 288.448612][ T4953] ? __free_pages+0x95/0x1a0
[ 288.453239][ T4953] ? vscnprintf+0x80/0x80
[ 288.457761][ T4953] gfs2_fill_super+0x128d/0x1f50
[ 288.462763][ T4953] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.467828][ T4953] ? preempt_count_add+0x8d/0x190
[ 288.473854][ T4953] ? sb_set_blocksize+0xa5/0xe0
[ 288.478750][ T4953] get_tree_bdev+0x3f1/0x610
[ 288.483394][ T4953] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.488456][ T4953] gfs2_get_tree+0x4d/0x1e0
[ 288.493000][ T4953] vfs_get_tree+0x88/0x270
[ 288.497455][ T4953] do_new_mount+0x24a/0xa40
[ 288.501998][ T4953] __se_sys_mount+0x2d6/0x3c0
[ 288.506716][ T4953] ? __x64_sys_mount+0xc0/0xc0
[ 288.511515][ T4953] ? lockdep_hardirqs_on+0x94/0x140
[ 288.516751][ T4953] ? __x64_sys_mount+0x1c/0xc0
[ 288.521659][ T4953] do_syscall_64+0x4c/0xa0
[ 288.526104][ T4953] ? clear_bhb_loop+0x30/0x80
[ 288.530810][ T4953] ? clear_bhb_loop+0x30/0x80
[ 288.535514][ T4953] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.541439][ T4953] RIP: 0033:0x7f0ecbade76a
[ 288.545883][ T4953] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 288.565511][ T4953] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.573961][ T4953] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 288.581962][ T4953] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 288.589961][ T4953] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 288.597959][ T4953] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 288.605962][ T4953] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 288.614067][ T4953]
[ 288.618432][ T4397] Bluetooth: hci5: command 0x0406 tx timeout
[ 288.659625][ T4951] CPU: 1 PID: 4951 Comm: syz.0.258 Not tainted syzkaller #0
[ 288.666969][ T4951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 288.677043][ T4951] Call Trace:
[ 288.680349][ T4951]
[ 288.683294][ T4951] dump_stack_lvl+0x168/0x230
[ 288.688012][ T4951] ? show_regs_print_info+0x20/0x20
[ 288.693261][ T4951] ? load_image+0x3b0/0x3b0
[ 288.697812][ T4951] sysfs_create_dir_ns+0x252/0x280
[ 288.702953][ T4951] ? __lock_acquire+0x7c60/0x7c60
[ 288.708011][ T4951] ? sysfs_warn_dup+0xa0/0xa0
[ 288.712745][ T4951] ? do_raw_spin_unlock+0x11d/0x230
[ 288.717984][ T4951] kobject_add_internal+0x662/0xd00
[ 288.723220][ T4951] kobject_init_and_add+0x122/0x190
[ 288.728440][ T4951] ? lockdep_softirqs_off+0x420/0x420
[ 288.733857][ T4951] ? kobject_add+0x210/0x210
[ 288.738479][ T4951] ? __init_swait_queue_head+0xa5/0x150
[ 288.744064][ T4951] gfs2_sys_fs_add+0x234/0x480
[ 288.749259][ T4951] ? gfs2_recover_set+0x240/0x240
[ 288.754326][ T4951] ? snprintf+0xd7/0x120
[ 288.758602][ T4951] ? __free_pages+0x95/0x1a0
[ 288.763227][ T4951] ? vscnprintf+0x80/0x80
[ 288.767605][ T4951] gfs2_fill_super+0x128d/0x1f50
[ 288.773110][ T4951] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.778204][ T4951] ? preempt_count_add+0x8d/0x190
[ 288.783334][ T4951] ? sb_set_blocksize+0xa5/0xe0
[ 288.788482][ T4951] get_tree_bdev+0x3f1/0x610
[ 288.793234][ T4951] ? gfs2_reconfigure+0xcd0/0xcd0
[ 288.798393][ T4951] gfs2_get_tree+0x4d/0x1e0
[ 288.802925][ T4951] vfs_get_tree+0x88/0x270
[ 288.807366][ T4951] do_new_mount+0x24a/0xa40
[ 288.811904][ T4951] __se_sys_mount+0x2d6/0x3c0
[ 288.816614][ T4951] ? __x64_sys_mount+0xc0/0xc0
[ 288.821406][ T4951] ? lockdep_hardirqs_on+0x94/0x140
[ 288.826631][ T4951] ? __x64_sys_mount+0x1c/0xc0
[ 288.831427][ T4951] do_syscall_64+0x4c/0xa0
[ 288.835876][ T4951] ? clear_bhb_loop+0x30/0x80
[ 288.840587][ T4951] ? clear_bhb_loop+0x30/0x80
[ 288.845300][ T4951] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 288.851222][ T4951] RIP: 0033:0x7f571ebd776a
[ 288.855674][ T4951] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 288.876359][ T4951] RSP: 002b:00007f571e244e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.884829][ T4951] RAX: ffffffffffffffda RBX: 00007f571e244ef0 RCX: 00007f571ebd776a
[ 288.892952][ T4951] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f571e244eb0
[ 288.900957][ T4951] RBP: 0000200000021140 R08: 00007f571e244ef0 R09: 0000000000008000
[ 288.908962][ T4951] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 288.916971][ T4951] R13: 00007f571e244eb0 R14: 000000000002117d R15: 00002000000211c0
[ 288.924990][ T4951]
[ 288.940680][ T4953] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.954630][ T4951] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.990808][ T4953] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.998884][ T4951] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.009714][ T4947] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.028612][ T4947] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.655629][ T4955] loop2: detected capacity change from 0 to 32768
[ 289.769398][ T4955] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.798921][ T4955] CPU: 0 PID: 4955 Comm: syz.2.261 Not tainted syzkaller #0
[ 289.806372][ T4955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 289.816462][ T4955] Call Trace:
[ 289.819783][ T4955]
[ 289.822738][ T4955] dump_stack_lvl+0x168/0x230
[ 289.827450][ T4955] ? show_regs_print_info+0x20/0x20
[ 289.832683][ T4955] ? load_image+0x3b0/0x3b0
[ 289.837239][ T4955] sysfs_create_dir_ns+0x252/0x280
[ 289.842384][ T4955] ? __lock_acquire+0x7c60/0x7c60
[ 289.847449][ T4955] ? sysfs_warn_dup+0xa0/0xa0
[ 289.852164][ T4955] ? do_raw_spin_unlock+0x11d/0x230
[ 289.857410][ T4955] kobject_add_internal+0x662/0xd00
[ 289.862653][ T4955] kobject_init_and_add+0x122/0x190
[ 289.867887][ T4955] ? lockdep_softirqs_off+0x420/0x420
[ 289.873318][ T4955] ? kobject_add+0x210/0x210
[ 289.877945][ T4955] ? __init_swait_queue_head+0xa5/0x150
[ 289.883549][ T4955] gfs2_sys_fs_add+0x234/0x480
[ 289.888351][ T4955] ? gfs2_recover_set+0x240/0x240
[ 289.893405][ T4955] ? snprintf+0xd7/0x120
[ 289.897673][ T4955] ? __free_pages+0x95/0x1a0
[ 289.902290][ T4955] ? vscnprintf+0x80/0x80
[ 289.906663][ T4955] gfs2_fill_super+0x128d/0x1f50
[ 289.911642][ T4955] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.916695][ T4955] ? preempt_count_add+0x8d/0x190
[ 289.921756][ T4955] ? sb_set_blocksize+0xa5/0xe0
[ 289.926642][ T4955] get_tree_bdev+0x3f1/0x610
[ 289.931260][ T4955] ? gfs2_reconfigure+0xcd0/0xcd0
[ 289.936313][ T4955] gfs2_get_tree+0x4d/0x1e0
[ 289.940846][ T4955] vfs_get_tree+0x88/0x270
[ 289.945291][ T4955] do_new_mount+0x24a/0xa40
[ 289.949832][ T4955] __se_sys_mount+0x2d6/0x3c0
[ 289.954546][ T4955] ? __x64_sys_mount+0xc0/0xc0
[ 289.959345][ T4955] ? lockdep_hardirqs_on+0x94/0x140
[ 289.964566][ T4955] ? __x64_sys_mount+0x1c/0xc0
[ 289.969361][ T4955] do_syscall_64+0x4c/0xa0
[ 289.973800][ T4955] ? clear_bhb_loop+0x30/0x80
[ 289.978494][ T4955] ? clear_bhb_loop+0x30/0x80
[ 289.983207][ T4955] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 289.989130][ T4955] RIP: 0033:0x7f64cc7bf76a
[ 289.993569][ T4955] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 290.013202][ T4955] RSP: 002b:00007f64cbe2ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.021650][ T4955] RAX: ffffffffffffffda RBX: 00007f64cbe2cef0 RCX: 00007f64cc7bf76a
[ 290.029651][ T4955] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f64cbe2ceb0
[ 290.037646][ T4955] RBP: 0000200000021140 R08: 00007f64cbe2cef0 R09: 0000000000008000
[ 290.045643][ T4955] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 290.053639][ T4955] R13: 00007f64cbe2ceb0 R14: 000000000002117d R15: 00002000000211c0
[ 290.061652][ T4955]
[ 290.439416][ T4957] loop4: detected capacity change from 0 to 32768
[ 290.479513][ T4957] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.508116][ T4963] loop1: detected capacity change from 0 to 32768
[ 290.515196][ T4955] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.517166][ T4957] CPU: 1 PID: 4957 Comm: syz.4.262 Not tainted syzkaller #0
[ 290.535643][ T4957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 290.539833][ T4955] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.545716][ T4957] Call Trace:
[ 290.545726][ T4957]
[ 290.545735][ T4957] dump_stack_lvl+0x168/0x230
[ 290.545768][ T4957] ? show_regs_print_info+0x20/0x20
[ 290.568456][ T4957] ? load_image+0x3b0/0x3b0
[ 290.573001][ T4957] sysfs_create_dir_ns+0x252/0x280
[ 290.578143][ T4957] ? __lock_acquire+0x7c60/0x7c60
[ 290.583203][ T4957] ? sysfs_warn_dup+0xa0/0xa0
[ 290.587910][ T4957] ? do_raw_spin_unlock+0x11d/0x230
[ 290.593139][ T4957] kobject_add_internal+0x662/0xd00
[ 290.598390][ T4957] kobject_init_and_add+0x122/0x190
[ 290.603614][ T4957] ? lockdep_softirqs_off+0x420/0x420
[ 290.609022][ T4957] ? kobject_add+0x210/0x210
[ 290.613638][ T4957] ? __init_swait_queue_head+0xa5/0x150
[ 290.619222][ T4957] gfs2_sys_fs_add+0x234/0x480
[ 290.620163][ T4962] loop0: detected capacity change from 0 to 32768
[ 290.624006][ T4957] ? gfs2_recover_set+0x240/0x240
[ 290.635435][ T4957] ? snprintf+0xd7/0x120
[ 290.639702][ T4957] ? __free_pages+0x95/0x1a0
[ 290.644322][ T4957] ? vscnprintf+0x80/0x80
[ 290.648696][ T4957] gfs2_fill_super+0x128d/0x1f50
[ 290.653676][ T4957] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.658730][ T4957] ? preempt_count_add+0x8d/0x190
[ 290.663787][ T4957] ? sb_set_blocksize+0xa5/0xe0
[ 290.668665][ T4957] get_tree_bdev+0x3f1/0x610
[ 290.673292][ T4957] ? gfs2_reconfigure+0xcd0/0xcd0
[ 290.678343][ T4957] gfs2_get_tree+0x4d/0x1e0
[ 290.682886][ T4957] vfs_get_tree+0x88/0x270
[ 290.687328][ T4957] do_new_mount+0x24a/0xa40
[ 290.691859][ T4957] __se_sys_mount+0x2d6/0x3c0
[ 290.696566][ T4957] ? __x64_sys_mount+0xc0/0xc0
[ 290.701359][ T4957] ? lockdep_hardirqs_on+0x94/0x140
[ 290.706585][ T4957] ? __x64_sys_mount+0x1c/0xc0
[ 290.708307][ T4960] loop5: detected capacity change from 0 to 32768
[ 290.711378][ T4957] do_syscall_64+0x4c/0xa0
[ 290.722219][ T4957] ? clear_bhb_loop+0x30/0x80
[ 290.726943][ T4957] ? clear_bhb_loop+0x30/0x80
[ 290.731653][ T4957] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 290.737571][ T4957] RIP: 0033:0x7f2d6a14a76a
[ 290.742013][ T4957] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 290.761750][ T4957] RSP: 002b:00007f2d697b7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 290.770202][ T4957] RAX: ffffffffffffffda RBX: 00007f2d697b7ef0 RCX: 00007f2d6a14a76a
[ 290.778217][ T4957] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f2d697b7eb0
[ 290.786217][ T4957] RBP: 0000200000021140 R08: 00007f2d697b7ef0 R09: 0000000000008000
[ 290.794187][ T4957] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 290.802163][ T4957] R13: 00007f2d697b7eb0 R14: 000000000002117d R15: 00002000000211c0
[ 290.810168][ T4957]
[ 290.817132][ T4957] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 290.832550][ T4963] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.842648][ T4962] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.850730][ T4960] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 290.875777][ T4957] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 290.885343][ T4963] CPU: 0 PID: 4963 Comm: syz.1.265 Not tainted syzkaller #0
[ 290.892677][ T4963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 290.902751][ T4963] Call Trace:
[ 290.906046][ T4963]
[ 290.908988][ T4963] dump_stack_lvl+0x168/0x230
[ 290.913688][ T4963] ? show_regs_print_info+0x20/0x20
[ 290.918902][ T4963] ? load_image+0x3b0/0x3b0
[ 290.923447][ T4963] sysfs_create_dir_ns+0x252/0x280
[ 290.928583][ T4963] ? __lock_acquire+0x7c60/0x7c60
[ 290.933635][ T4963] ? sysfs_warn_dup+0xa0/0xa0
[ 290.938333][ T4963] ? do_raw_spin_unlock+0x11d/0x230
[ 290.943563][ T4963] kobject_add_internal+0x662/0xd00
[ 290.948800][ T4963] kobject_init_and_add+0x122/0x190
[ 290.954031][ T4963] ? lockdep_softirqs_off+0x420/0x420
[ 290.959444][ T4963] ? kobject_add+0x210/0x210
[ 290.964049][ T4963] ? __init_swait_queue_head+0xa5/0x150
[ 290.969615][ T4963] gfs2_sys_fs_add+0x234/0x480
[ 290.974401][ T4963] ? gfs2_recover_set+0x240/0x240
[ 290.979441][ T4963] ? snprintf+0xd7/0x120
[ 290.983694][ T4963] ? __free_pages+0x95/0x1a0
[ 290.988298][ T4963] ? vscnprintf+0x80/0x80
[ 290.992666][ T4963] gfs2_fill_super+0x128d/0x1f50
[ 290.997645][ T4963] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.002701][ T4963] ? preempt_count_add+0x8d/0x190
[ 291.007759][ T4963] ? sb_set_blocksize+0xa5/0xe0
[ 291.012672][ T4963] get_tree_bdev+0x3f1/0x610
[ 291.017281][ T4963] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.022337][ T4963] gfs2_get_tree+0x4d/0x1e0
[ 291.026884][ T4963] vfs_get_tree+0x88/0x270
[ 291.031335][ T4963] do_new_mount+0x24a/0xa40
[ 291.035968][ T4963] __se_sys_mount+0x2d6/0x3c0
[ 291.040678][ T4963] ? __x64_sys_mount+0xc0/0xc0
[ 291.045467][ T4963] ? lockdep_hardirqs_on+0x94/0x140
[ 291.050685][ T4963] ? __x64_sys_mount+0x1c/0xc0
[ 291.055476][ T4963] do_syscall_64+0x4c/0xa0
[ 291.060003][ T4963] ? clear_bhb_loop+0x30/0x80
[ 291.064709][ T4963] ? clear_bhb_loop+0x30/0x80
[ 291.069413][ T4963] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.075345][ T4963] RIP: 0033:0x7f0ecbade76a
[ 291.079794][ T4963] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 291.099422][ T4963] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.107876][ T4963] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 291.115884][ T4963] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 291.123881][ T4963] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 291.131969][ T4963] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 291.140053][ T4963] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 291.148062][ T4963]
[ 291.151397][ T4960] CPU: 1 PID: 4960 Comm: syz.5.263 Not tainted syzkaller #0
[ 291.158717][ T4960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 291.168894][ T4960] Call Trace:
[ 291.172210][ T4960]
[ 291.175163][ T4960] dump_stack_lvl+0x168/0x230
[ 291.179885][ T4960] ? show_regs_print_info+0x20/0x20
[ 291.185131][ T4960] ? load_image+0x3b0/0x3b0
[ 291.189684][ T4960] sysfs_create_dir_ns+0x252/0x280
[ 291.194848][ T4960] ? __lock_acquire+0x7c60/0x7c60
[ 291.200003][ T4960] ? sysfs_warn_dup+0xa0/0xa0
[ 291.204724][ T4960] ? do_raw_spin_unlock+0x11d/0x230
[ 291.209953][ T4960] kobject_add_internal+0x662/0xd00
[ 291.215894][ T4960] kobject_init_and_add+0x122/0x190
[ 291.221136][ T4960] ? lockdep_softirqs_off+0x420/0x420
[ 291.226558][ T4960] ? kobject_add+0x210/0x210
[ 291.231188][ T4960] ? __init_swait_queue_head+0xa5/0x150
[ 291.236775][ T4960] gfs2_sys_fs_add+0x234/0x480
[ 291.241576][ T4960] ? gfs2_recover_set+0x240/0x240
[ 291.246633][ T4960] ? snprintf+0xd7/0x120
[ 291.250913][ T4960] ? __free_pages+0x95/0x1a0
[ 291.255539][ T4960] ? vscnprintf+0x80/0x80
[ 291.260012][ T4960] gfs2_fill_super+0x128d/0x1f50
[ 291.265012][ T4960] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.270068][ T4960] ? preempt_count_add+0x8d/0x190
[ 291.275157][ T4960] ? sb_set_blocksize+0xa5/0xe0
[ 291.280052][ T4960] get_tree_bdev+0x3f1/0x610
[ 291.284677][ T4960] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.289736][ T4960] gfs2_get_tree+0x4d/0x1e0
[ 291.294275][ T4960] vfs_get_tree+0x88/0x270
[ 291.298732][ T4960] do_new_mount+0x24a/0xa40
[ 291.303282][ T4960] __se_sys_mount+0x2d6/0x3c0
[ 291.307994][ T4960] ? __x64_sys_mount+0xc0/0xc0
[ 291.312792][ T4960] ? lockdep_hardirqs_on+0x94/0x140
[ 291.318123][ T4960] ? __x64_sys_mount+0x1c/0xc0
[ 291.322925][ T4960] do_syscall_64+0x4c/0xa0
[ 291.327370][ T4960] ? clear_bhb_loop+0x30/0x80
[ 291.332505][ T4960] ? clear_bhb_loop+0x30/0x80
[ 291.337220][ T4960] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.343143][ T4960] RIP: 0033:0x7ff6ecc5276a
[ 291.347587][ T4960] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 291.367413][ T4960] RSP: 002b:00007ff6ec2bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.375868][ T4960] RAX: ffffffffffffffda RBX: 00007ff6ec2bfef0 RCX: 00007ff6ecc5276a
[ 291.383879][ T4960] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ff6ec2bfeb0
[ 291.391910][ T4960] RBP: 0000200000021140 R08: 00007ff6ec2bfef0 R09: 0000000000008000
[ 291.399908][ T4960] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 291.407911][ T4960] R13: 00007ff6ec2bfeb0 R14: 000000000002117d R15: 00002000000211c0
[ 291.415926][ T4960]
[ 291.446976][ T4962] CPU: 1 PID: 4962 Comm: syz.0.264 Not tainted syzkaller #0
[ 291.454323][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 291.464411][ T4962] Call Trace:
[ 291.467716][ T4962]
[ 291.470687][ T4962] dump_stack_lvl+0x168/0x230
[ 291.475400][ T4962] ? show_regs_print_info+0x20/0x20
[ 291.480654][ T4962] ? load_image+0x3b0/0x3b0
[ 291.483976][ T4963] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.485285][ T4962] sysfs_create_dir_ns+0x252/0x280
[ 291.500522][ T4963] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.505321][ T4962] ? __lock_acquire+0x7c60/0x7c60
[ 291.516849][ T4962] ? sysfs_warn_dup+0xa0/0xa0
[ 291.521565][ T4962] ? do_raw_spin_unlock+0x11d/0x230
[ 291.522855][ T4960] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.526797][ T4962] kobject_add_internal+0x662/0xd00
[ 291.526846][ T4962] kobject_init_and_add+0x122/0x190
[ 291.550350][ T4962] ? lockdep_softirqs_off+0x420/0x420
[ 291.555759][ T4962] ? kobject_add+0x210/0x210
[ 291.560394][ T4962] ? __init_swait_queue_head+0xa5/0x150
[ 291.565979][ T4962] gfs2_sys_fs_add+0x234/0x480
[ 291.570776][ T4962] ? gfs2_recover_set+0x240/0x240
[ 291.575848][ T4962] ? snprintf+0xd7/0x120
[ 291.579116][ T4960] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 291.580123][ T4962] ? __free_pages+0x95/0x1a0
[ 291.591217][ T4962] ? vscnprintf+0x80/0x80
[ 291.595681][ T4962] gfs2_fill_super+0x128d/0x1f50
[ 291.600671][ T4962] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.605727][ T4962] ? preempt_count_add+0x8d/0x190
[ 291.610794][ T4962] ? sb_set_blocksize+0xa5/0xe0
[ 291.615678][ T4962] get_tree_bdev+0x3f1/0x610
[ 291.620298][ T4962] ? gfs2_reconfigure+0xcd0/0xcd0
[ 291.625353][ T4962] gfs2_get_tree+0x4d/0x1e0
[ 291.629891][ T4962] vfs_get_tree+0x88/0x270
[ 291.634342][ T4962] do_new_mount+0x24a/0xa40
[ 291.638880][ T4962] __se_sys_mount+0x2d6/0x3c0
[ 291.643586][ T4962] ? __x64_sys_mount+0xc0/0xc0
[ 291.648385][ T4962] ? lockdep_hardirqs_on+0x94/0x140
[ 291.653616][ T4962] ? __x64_sys_mount+0x1c/0xc0
[ 291.658420][ T4962] do_syscall_64+0x4c/0xa0
[ 291.662871][ T4962] ? clear_bhb_loop+0x30/0x80
[ 291.667725][ T4962] ? clear_bhb_loop+0x30/0x80
[ 291.672456][ T4962] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 291.678483][ T4962] RIP: 0033:0x7f571ebd776a
[ 291.682927][ T4962] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 291.702559][ T4962] RSP: 002b:00007f571e244e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 291.711016][ T4962] RAX: ffffffffffffffda RBX: 00007f571e244ef0 RCX: 00007f571ebd776a
[ 291.719025][ T4962] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f571e244eb0
[ 291.727026][ T4962] RBP: 0000200000021140 R08: 00007f571e244ef0 R09: 0000000000008000
[ 291.735030][ T4962] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
2025/11/02 20:21:07 executed programs: 259
[ 291.743027][ T4962] R13: 00007f571e244eb0 R14: 000000000002117d R15: 00002000000211c0
[ 291.751047][ T4962]
[ 291.966065][ T4962] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 291.999779][ T4962] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 292.778471][ T4967] loop2: detected capacity change from 0 to 32768
[ 292.836647][ T4967] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 292.871055][ T4967] CPU: 1 PID: 4967 Comm: syz.2.267 Not tainted syzkaller #0
[ 292.878624][ T4967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 292.888718][ T4967] Call Trace:
[ 292.892040][ T4967]
[ 292.895000][ T4967] dump_stack_lvl+0x168/0x230
[ 292.899734][ T4967] ? show_regs_print_info+0x20/0x20
[ 292.904968][ T4967] ? load_image+0x3b0/0x3b0
[ 292.909523][ T4967] sysfs_create_dir_ns+0x252/0x280
[ 292.914675][ T4967] ? __lock_acquire+0x7c60/0x7c60
[ 292.919743][ T4967] ? sysfs_warn_dup+0xa0/0xa0
[ 292.924462][ T4967] ? do_raw_spin_unlock+0x11d/0x230
[ 292.929704][ T4967] kobject_add_internal+0x662/0xd00
[ 292.934946][ T4967] kobject_init_and_add+0x122/0x190
[ 292.940169][ T4967] ? lockdep_softirqs_off+0x420/0x420
[ 292.945578][ T4967] ? kobject_add+0x210/0x210
[ 292.950209][ T4967] ? __init_swait_queue_head+0xa5/0x150
[ 292.955798][ T4967] gfs2_sys_fs_add+0x234/0x480
[ 292.960596][ T4967] ? gfs2_recover_set+0x240/0x240
[ 292.965657][ T4967] ? snprintf+0xd7/0x120
[ 292.969932][ T4967] ? __free_pages+0x95/0x1a0
[ 292.974650][ T4967] ? vscnprintf+0x80/0x80
[ 292.979123][ T4967] gfs2_fill_super+0x128d/0x1f50
[ 292.984108][ T4967] ? gfs2_reconfigure+0xcd0/0xcd0
[ 292.989250][ T4967] ? preempt_count_add+0x8d/0x190
[ 292.994340][ T4967] ? sb_set_blocksize+0xa5/0xe0
[ 292.999225][ T4967] get_tree_bdev+0x3f1/0x610
[ 293.003847][ T4967] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.008907][ T4967] gfs2_get_tree+0x4d/0x1e0
[ 293.013454][ T4967] vfs_get_tree+0x88/0x270
[ 293.017903][ T4967] do_new_mount+0x24a/0xa40
[ 293.022454][ T4967] __se_sys_mount+0x2d6/0x3c0
[ 293.027166][ T4967] ? __x64_sys_mount+0xc0/0xc0
[ 293.031966][ T4967] ? lockdep_hardirqs_on+0x94/0x140
[ 293.037191][ T4967] ? __x64_sys_mount+0x1c/0xc0
[ 293.042081][ T4967] do_syscall_64+0x4c/0xa0
[ 293.046529][ T4967] ? clear_bhb_loop+0x30/0x80
[ 293.051234][ T4967] ? clear_bhb_loop+0x30/0x80
[ 293.055952][ T4967] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 293.061873][ T4967] RIP: 0033:0x7f64cc7bf76a
[ 293.066508][ T4967] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 293.086317][ T4967] RSP: 002b:00007f64cbe2ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.094771][ T4967] RAX: ffffffffffffffda RBX: 00007f64cbe2cef0 RCX: 00007f64cc7bf76a
[ 293.102776][ T4967] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f64cbe2ceb0
[ 293.110783][ T4967] RBP: 0000200000021140 R08: 00007f64cbe2cef0 R09: 0000000000008000
[ 293.118790][ T4967] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 293.126792][ T4967] R13: 00007f64cbe2ceb0 R14: 000000000002117d R15: 00002000000211c0
[ 293.134813][ T4967]
[ 293.149413][ T4968] loop1: detected capacity change from 0 to 32768
[ 293.187220][ T4968] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.194742][ T4968] CPU: 1 PID: 4968 Comm: syz.1.266 Not tainted syzkaller #0
[ 293.202056][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 293.212327][ T4968] Call Trace:
[ 293.215633][ T4968]
[ 293.218589][ T4968] dump_stack_lvl+0x168/0x230
[ 293.223306][ T4968] ? show_regs_print_info+0x20/0x20
[ 293.228534][ T4968] ? load_image+0x3b0/0x3b0
[ 293.233079][ T4968] sysfs_create_dir_ns+0x252/0x280
[ 293.238229][ T4968] ? __lock_acquire+0x7c60/0x7c60
[ 293.243282][ T4968] ? sysfs_warn_dup+0xa0/0xa0
[ 293.248001][ T4968] ? do_raw_spin_unlock+0x11d/0x230
[ 293.253234][ T4968] kobject_add_internal+0x662/0xd00
[ 293.258472][ T4968] kobject_init_and_add+0x122/0x190
[ 293.263698][ T4968] ? lockdep_softirqs_off+0x420/0x420
[ 293.269103][ T4968] ? kobject_add+0x210/0x210
[ 293.273730][ T4968] ? __init_swait_queue_head+0xa5/0x150
[ 293.279317][ T4968] gfs2_sys_fs_add+0x234/0x480
[ 293.284127][ T4968] ? gfs2_recover_set+0x240/0x240
[ 293.289191][ T4968] ? snprintf+0xd7/0x120
[ 293.293464][ T4968] ? __free_pages+0x95/0x1a0
[ 293.298083][ T4968] ? vscnprintf+0x80/0x80
[ 293.302451][ T4968] gfs2_fill_super+0x128d/0x1f50
[ 293.307428][ T4968] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.312486][ T4968] ? preempt_count_add+0x8d/0x190
[ 293.317546][ T4968] ? sb_set_blocksize+0xa5/0xe0
[ 293.322433][ T4968] get_tree_bdev+0x3f1/0x610
[ 293.327058][ T4968] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.332123][ T4968] gfs2_get_tree+0x4d/0x1e0
[ 293.336665][ T4968] vfs_get_tree+0x88/0x270
[ 293.341116][ T4968] do_new_mount+0x24a/0xa40
[ 293.345668][ T4968] __se_sys_mount+0x2d6/0x3c0
[ 293.350474][ T4968] ? __x64_sys_mount+0xc0/0xc0
[ 293.355282][ T4968] ? lockdep_hardirqs_on+0x94/0x140
[ 293.360510][ T4968] ? __x64_sys_mount+0x1c/0xc0
[ 293.365317][ T4968] do_syscall_64+0x4c/0xa0
[ 293.369922][ T4968] ? clear_bhb_loop+0x30/0x80
[ 293.374772][ T4968] ? clear_bhb_loop+0x30/0x80
[ 293.379479][ T4968] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 293.385407][ T4968] RIP: 0033:0x7f0ecbade76a
[ 293.389865][ T4968] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 293.395305][ T4970] loop5: detected capacity change from 0 to 32768
[ 293.409600][ T4968] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.409634][ T4968] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 293.409649][ T4968] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 293.409664][ T4968] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 293.409679][ T4968] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 293.409692][ T4968] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 293.409724][ T4968]
[ 293.441133][ T4968] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.484969][ T4967] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.498901][ T4967] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.514743][ T4968] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.540286][ T4970] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 293.554600][ T4970] CPU: 1 PID: 4970 Comm: syz.5.268 Not tainted syzkaller #0
[ 293.562392][ T4970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 293.572874][ T4970] Call Trace:
[ 293.576181][ T4970]
[ 293.579140][ T4970] dump_stack_lvl+0x168/0x230
[ 293.583863][ T4970] ? show_regs_print_info+0x20/0x20
[ 293.589156][ T4970] ? load_image+0x3b0/0x3b0
[ 293.593706][ T4970] sysfs_create_dir_ns+0x252/0x280
[ 293.598840][ T4970] ? __lock_acquire+0x7c60/0x7c60
[ 293.603922][ T4970] ? sysfs_warn_dup+0xa0/0xa0
[ 293.608615][ T4970] ? do_raw_spin_unlock+0x11d/0x230
[ 293.613856][ T4970] kobject_add_internal+0x662/0xd00
[ 293.619071][ T4970] kobject_init_and_add+0x122/0x190
[ 293.624275][ T4970] ? lockdep_softirqs_off+0x420/0x420
[ 293.629665][ T4970] ? kobject_add+0x210/0x210
[ 293.634270][ T4970] ? __init_swait_queue_head+0xa5/0x150
[ 293.639821][ T4970] gfs2_sys_fs_add+0x234/0x480
[ 293.644600][ T4970] ? gfs2_recover_set+0x240/0x240
[ 293.649643][ T4970] ? snprintf+0xd7/0x120
[ 293.653894][ T4970] ? __free_pages+0x95/0x1a0
[ 293.658495][ T4970] ? vscnprintf+0x80/0x80
[ 293.662862][ T4970] gfs2_fill_super+0x128d/0x1f50
[ 293.667815][ T4970] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.672869][ T4970] ? preempt_count_add+0x8d/0x190
[ 293.677911][ T4970] ? sb_set_blocksize+0xa5/0xe0
[ 293.682774][ T4970] get_tree_bdev+0x3f1/0x610
[ 293.687406][ T4970] ? gfs2_reconfigure+0xcd0/0xcd0
[ 293.692438][ T4970] gfs2_get_tree+0x4d/0x1e0
[ 293.696951][ T4970] vfs_get_tree+0x88/0x270
[ 293.701383][ T4970] do_new_mount+0x24a/0xa40
[ 293.705902][ T4970] __se_sys_mount+0x2d6/0x3c0
[ 293.710682][ T4970] ? __x64_sys_mount+0xc0/0xc0
[ 293.715480][ T4970] ? lockdep_hardirqs_on+0x94/0x140
[ 293.720693][ T4970] ? __x64_sys_mount+0x1c/0xc0
[ 293.725460][ T4970] do_syscall_64+0x4c/0xa0
[ 293.729876][ T4970] ? clear_bhb_loop+0x30/0x80
[ 293.734560][ T4970] ? clear_bhb_loop+0x30/0x80
[ 293.739245][ T4970] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 293.745144][ T4970] RIP: 0033:0x7ff6ecc5276a
[ 293.749566][ T4970] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 293.769176][ T4970] RSP: 002b:00007ff6ec2bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 293.777597][ T4970] RAX: ffffffffffffffda RBX: 00007ff6ec2bfef0 RCX: 00007ff6ecc5276a
[ 293.785579][ T4970] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007ff6ec2bfeb0
[ 293.793552][ T4970] RBP: 0000200000021140 R08: 00007ff6ec2bfef0 R09: 0000000000008000
[ 293.801527][ T4970] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 293.809500][ T4970] R13: 00007ff6ec2bfeb0 R14: 000000000002117d R15: 00002000000211c0
[ 293.817510][ T4970]
[ 293.826846][ T4970] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 293.840184][ T4970] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 293.954028][ T4972] loop4: detected capacity change from 0 to 32768
[ 294.011488][ T4972] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.050972][ T4972] CPU: 1 PID: 4972 Comm: syz.4.269 Not tainted syzkaller #0
[ 294.058418][ T4972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 294.068503][ T4972] Call Trace:
[ 294.071817][ T4972]
[ 294.074774][ T4972] dump_stack_lvl+0x168/0x230
[ 294.079498][ T4972] ? show_regs_print_info+0x20/0x20
[ 294.084727][ T4972] ? load_image+0x3b0/0x3b0
[ 294.089278][ T4972] sysfs_create_dir_ns+0x252/0x280
[ 294.094428][ T4972] ? __lock_acquire+0x7c60/0x7c60
[ 294.099486][ T4972] ? sysfs_warn_dup+0xa0/0xa0
[ 294.104191][ T4972] ? do_raw_spin_unlock+0x11d/0x230
[ 294.109419][ T4972] kobject_add_internal+0x662/0xd00
[ 294.114740][ T4972] kobject_init_and_add+0x122/0x190
[ 294.119969][ T4972] ? lockdep_softirqs_off+0x420/0x420
[ 294.125387][ T4972] ? kobject_add+0x210/0x210
[ 294.130008][ T4972] ? __init_swait_queue_head+0xa5/0x150
[ 294.135589][ T4972] gfs2_sys_fs_add+0x234/0x480
[ 294.140379][ T4972] ? gfs2_recover_set+0x240/0x240
[ 294.145429][ T4972] ? snprintf+0xd7/0x120
[ 294.149713][ T4972] ? __free_pages+0x95/0x1a0
[ 294.154335][ T4972] ? vscnprintf+0x80/0x80
[ 294.158702][ T4972] gfs2_fill_super+0x128d/0x1f50
[ 294.163682][ T4972] ? gfs2_reconfigure+0xcd0/0xcd0
[ 294.168740][ T4972] ? preempt_count_add+0x8d/0x190
[ 294.173817][ T4972] ? sb_set_blocksize+0xa5/0xe0
[ 294.178701][ T4972] get_tree_bdev+0x3f1/0x610
[ 294.183331][ T4972] ? gfs2_reconfigure+0xcd0/0xcd0
[ 294.188499][ T4972] gfs2_get_tree+0x4d/0x1e0
[ 294.193034][ T4972] vfs_get_tree+0x88/0x270
[ 294.197478][ T4972] do_new_mount+0x24a/0xa40
[ 294.202016][ T4972] __se_sys_mount+0x2d6/0x3c0
[ 294.206737][ T4972] ? __x64_sys_mount+0xc0/0xc0
[ 294.211526][ T4972] ? lockdep_hardirqs_on+0x94/0x140
[ 294.216972][ T4972] ? __x64_sys_mount+0x1c/0xc0
[ 294.221852][ T4972] do_syscall_64+0x4c/0xa0
[ 294.226312][ T4972] ? clear_bhb_loop+0x30/0x80
[ 294.231012][ T4972] ? clear_bhb_loop+0x30/0x80
[ 294.235734][ T4972] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 294.241652][ T4972] RIP: 0033:0x7f2d6a14a76a
[ 294.246094][ T4972] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 294.265725][ T4972] RSP: 002b:00007f2d697b7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 294.274174][ T4972] RAX: ffffffffffffffda RBX: 00007f2d697b7ef0 RCX: 00007f2d6a14a76a
[ 294.282181][ T4972] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f2d697b7eb0
[ 294.290185][ T4972] RBP: 0000200000021140 R08: 00007f2d697b7ef0 R09: 0000000000008000
[ 294.298185][ T4972] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 294.306202][ T4972] R13: 00007f2d697b7eb0 R14: 000000000002117d R15: 00002000000211c0
[ 294.314216][ T4972]
[ 294.428014][ T4972] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 294.723350][ T4974] loop0: detected capacity change from 0 to 32768
[ 294.762239][ T4974] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 294.781118][ T4974] CPU: 0 PID: 4974 Comm: syz.0.270 Not tainted syzkaller #0
[ 294.788612][ T4974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 294.798704][ T4974] Call Trace:
[ 294.802005][ T4974]
[ 294.805046][ T4974] dump_stack_lvl+0x168/0x230
[ 294.809761][ T4974] ? show_regs_print_info+0x20/0x20
[ 294.814997][ T4974] ? load_image+0x3b0/0x3b0
[ 294.819566][ T4974] sysfs_create_dir_ns+0x252/0x280
[ 294.824711][ T4974] ? __lock_acquire+0x7c60/0x7c60
[ 294.829766][ T4974] ? sysfs_warn_dup+0xa0/0xa0
[ 294.834489][ T4974] ? do_raw_spin_unlock+0x11d/0x230
[ 294.839723][ T4974] kobject_add_internal+0x662/0xd00
[ 294.844959][ T4974] kobject_init_and_add+0x122/0x190
[ 294.850245][ T4974] ? lockdep_softirqs_off+0x420/0x420
[ 294.855660][ T4974] ? kobject_add+0x210/0x210
[ 294.860292][ T4974] ? __init_swait_queue_head+0xa5/0x150
[ 294.865884][ T4974] gfs2_sys_fs_add+0x234/0x480
[ 294.870692][ T4974] ? gfs2_recover_set+0x240/0x240
[ 294.875755][ T4974] ? snprintf+0xd7/0x120
[ 294.880033][ T4974] ? __free_pages+0x95/0x1a0
[ 294.884671][ T4974] ? vscnprintf+0x80/0x80
[ 294.889049][ T4974] gfs2_fill_super+0x128d/0x1f50
[ 294.893297][ T4972] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 294.894030][ T4974] ? gfs2_reconfigure+0xcd0/0xcd0
[ 294.905552][ T4974] ? preempt_count_add+0x8d/0x190
[ 294.910619][ T4974] ? sb_set_blocksize+0xa5/0xe0
[ 294.915507][ T4974] get_tree_bdev+0x3f1/0x610
[ 294.920151][ T4974] ? gfs2_reconfigure+0xcd0/0xcd0
[ 294.925339][ T4974] gfs2_get_tree+0x4d/0x1e0
[ 294.929891][ T4974] vfs_get_tree+0x88/0x270
[ 294.934343][ T4974] do_new_mount+0x24a/0xa40
[ 294.938890][ T4974] __se_sys_mount+0x2d6/0x3c0
[ 294.943603][ T4974] ? __x64_sys_mount+0xc0/0xc0
[ 294.948392][ T4974] ? lockdep_hardirqs_on+0x94/0x140
[ 294.953603][ T4974] ? __x64_sys_mount+0x1c/0xc0
[ 294.958378][ T4974] do_syscall_64+0x4c/0xa0
[ 294.962814][ T4974] ? clear_bhb_loop+0x30/0x80
[ 294.967539][ T4974] ? clear_bhb_loop+0x30/0x80
[ 294.972230][ T4974] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 294.978217][ T4974] RIP: 0033:0x7f571ebd776a
[ 294.982731][ T4974] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 295.002346][ T4974] RSP: 002b:00007f571e244e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.010769][ T4974] RAX: ffffffffffffffda RBX: 00007f571e244ef0 RCX: 00007f571ebd776a
[ 295.018751][ T4974] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f571e244eb0
[ 295.026726][ T4974] RBP: 0000200000021140 R08: 00007f571e244ef0 R09: 0000000000008000
[ 295.034702][ T4974] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 295.042676][ T4974] R13: 00007f571e244eb0 R14: 000000000002117d R15: 00002000000211c0
[ 295.050666][ T4974]
[ 295.084910][ T4974] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 295.107122][ T4974] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 295.267529][ T4981] loop2: detected capacity change from 0 to 32768
[ 295.322239][ T4981] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.359456][ T4981] CPU: 0 PID: 4981 Comm: syz.2.273 Not tainted syzkaller #0
[ 295.366807][ T4981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 295.376893][ T4981] Call Trace:
[ 295.380195][ T4981]
[ 295.383148][ T4981] dump_stack_lvl+0x168/0x230
[ 295.387855][ T4981] ? show_regs_print_info+0x20/0x20
[ 295.393085][ T4981] ? load_image+0x3b0/0x3b0
[ 295.397630][ T4981] sysfs_create_dir_ns+0x252/0x280
[ 295.402773][ T4981] ? __lock_acquire+0x7c60/0x7c60
[ 295.407830][ T4981] ? sysfs_warn_dup+0xa0/0xa0
[ 295.412547][ T4981] ? do_raw_spin_unlock+0x11d/0x230
[ 295.418049][ T4981] kobject_add_internal+0x662/0xd00
[ 295.423293][ T4981] kobject_init_and_add+0x122/0x190
[ 295.428517][ T4981] ? lockdep_softirqs_off+0x420/0x420
[ 295.433925][ T4981] ? kobject_add+0x210/0x210
[ 295.438552][ T4981] ? __init_swait_queue_head+0xa5/0x150
[ 295.444131][ T4981] gfs2_sys_fs_add+0x234/0x480
[ 295.448924][ T4981] ? gfs2_recover_set+0x240/0x240
[ 295.453975][ T4981] ? snprintf+0xd7/0x120
[ 295.458245][ T4981] ? __free_pages+0x95/0x1a0
[ 295.462865][ T4981] ? vscnprintf+0x80/0x80
[ 295.467238][ T4981] gfs2_fill_super+0x128d/0x1f50
[ 295.472219][ T4981] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.477271][ T4981] ? preempt_count_add+0x8d/0x190
[ 295.482327][ T4981] ? sb_set_blocksize+0xa5/0xe0
[ 295.487208][ T4981] get_tree_bdev+0x3f1/0x610
[ 295.491825][ T4981] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.496992][ T4981] gfs2_get_tree+0x4d/0x1e0
[ 295.501544][ T4981] vfs_get_tree+0x88/0x270
[ 295.505998][ T4981] do_new_mount+0x24a/0xa40
[ 295.510541][ T4981] __se_sys_mount+0x2d6/0x3c0
[ 295.515254][ T4981] ? __x64_sys_mount+0xc0/0xc0
[ 295.520048][ T4981] ? lockdep_hardirqs_on+0x94/0x140
[ 295.525272][ T4981] ? __x64_sys_mount+0x1c/0xc0
[ 295.530089][ T4981] do_syscall_64+0x4c/0xa0
[ 295.531487][ T4977] loop1: detected capacity change from 0 to 32768
[ 295.534547][ T4981] ? clear_bhb_loop+0x30/0x80
[ 295.545649][ T4981] ? clear_bhb_loop+0x30/0x80
[ 295.550457][ T4981] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 295.556380][ T4981] RIP: 0033:0x7f64cc7bf76a
[ 295.560825][ T4981] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 295.580465][ T4981] RSP: 002b:00007f64cbe2ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.588915][ T4981] RAX: ffffffffffffffda RBX: 00007f64cbe2cef0 RCX: 00007f64cc7bf76a
[ 295.596913][ T4981] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f64cbe2ceb0
[ 295.605086][ T4981] RBP: 0000200000021140 R08: 00007f64cbe2cef0 R09: 0000000000008000
[ 295.613087][ T4981] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 295.621077][ T4981] R13: 00007f64cbe2ceb0 R14: 000000000002117d R15: 00002000000211c0
[ 295.629088][ T4981]
[ 295.687430][ T4977] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 295.750739][ T4977] CPU: 0 PID: 4977 Comm: syz.1.271 Not tainted syzkaller #0
[ 295.758099][ T4977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 295.768533][ T4977] Call Trace:
[ 295.771838][ T4977]
[ 295.774966][ T4977] dump_stack_lvl+0x168/0x230
[ 295.779686][ T4977] ? show_regs_print_info+0x20/0x20
[ 295.784920][ T4977] ? load_image+0x3b0/0x3b0
[ 295.789473][ T4977] sysfs_create_dir_ns+0x252/0x280
[ 295.794728][ T4977] ? __lock_acquire+0x7c60/0x7c60
[ 295.799786][ T4977] ? sysfs_warn_dup+0xa0/0xa0
[ 295.804513][ T4977] ? do_raw_spin_unlock+0x11d/0x230
[ 295.809742][ T4977] kobject_add_internal+0x662/0xd00
[ 295.814968][ T4977] kobject_init_and_add+0x122/0x190
[ 295.820189][ T4977] ? lockdep_softirqs_off+0x420/0x420
[ 295.825608][ T4977] ? kobject_add+0x210/0x210
[ 295.830233][ T4977] ? __init_swait_queue_head+0xa5/0x150
[ 295.835811][ T4977] gfs2_sys_fs_add+0x234/0x480
[ 295.840607][ T4977] ? gfs2_recover_set+0x240/0x240
[ 295.845661][ T4977] ? snprintf+0xd7/0x120
[ 295.849931][ T4977] ? __free_pages+0x95/0x1a0
[ 295.854552][ T4977] ? vscnprintf+0x80/0x80
[ 295.858925][ T4977] gfs2_fill_super+0x128d/0x1f50
[ 295.863901][ T4977] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.868960][ T4977] ? preempt_count_add+0x8d/0x190
[ 295.874109][ T4977] ? sb_set_blocksize+0xa5/0xe0
[ 295.878994][ T4977] get_tree_bdev+0x3f1/0x610
[ 295.883611][ T4977] ? gfs2_reconfigure+0xcd0/0xcd0
[ 295.888667][ T4977] gfs2_get_tree+0x4d/0x1e0
[ 295.893201][ T4977] vfs_get_tree+0x88/0x270
[ 295.897652][ T4977] do_new_mount+0x24a/0xa40
[ 295.902191][ T4977] __se_sys_mount+0x2d6/0x3c0
[ 295.906903][ T4977] ? __x64_sys_mount+0xc0/0xc0
[ 295.911697][ T4977] ? lockdep_hardirqs_on+0x94/0x140
[ 295.916923][ T4977] ? __x64_sys_mount+0x1c/0xc0
[ 295.921721][ T4977] do_syscall_64+0x4c/0xa0
[ 295.926162][ T4977] ? clear_bhb_loop+0x30/0x80
[ 295.930865][ T4977] ? clear_bhb_loop+0x30/0x80
[ 295.935581][ T4977] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 295.941506][ T4977] RIP: 0033:0x7f0ecbade76a
[ 295.945950][ T4977] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 295.965588][ T4977] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 295.974036][ T4977] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 295.982041][ T4977] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 295.990047][ T4977] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 295.998048][ T4977] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 296.006047][ T4977] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 296.014066][ T4977]
[ 296.042798][ T4981] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.062444][ T4981] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.105898][ T4977] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 296.130833][ T4977] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 296.560944][ T27] INFO: task kworker/0:10:4301 blocked for more than 143 seconds.
[ 296.599693][ T27] Not tainted syzkaller #0
[ 296.604714][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 296.655717][ T27] task:kworker/0:10 state:D stack:25448 pid: 4301 ppid: 2 flags:0x00004000
[ 296.664985][ T27] Workqueue: gfs_recovery gfs2_recover_func
[ 296.706211][ T27] Call Trace:
[ 296.709548][ T27]
[ 296.712500][ T27] __schedule+0x11bb/0x4390
[ 296.747227][ T27] ? mark_lock+0x94/0x320
[ 296.751658][ T27] ? release_firmware_map_entry+0x190/0x190
[ 296.766804][ T4983] loop5: detected capacity change from 0 to 32768
[ 296.783933][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 296.789746][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 296.797727][ T4987] loop0: detected capacity change from 0 to 32768
[ 296.805315][ T27] schedule+0x11b/0x1e0
[ 296.810046][ T27] io_schedule+0x7c/0xd0
[ 296.814328][ T27] wait_on_page_bit_common+0x815/0xe00
[ 296.830148][ T27] ? wait_on_page_bit+0x50/0x50
[ 296.835082][ T27] ? rcu_lock_release+0x20/0x20
[ 296.865774][ T27] ? blk_put_request+0x20/0x20
[ 296.875961][ T27] ? __get_log_header+0x1c0/0x4f0
[ 296.891353][ T27] gfs2_jhead_process_page+0x24e/0xbc0
[ 296.911683][ T27] ? gfs2_end_log_read+0x500/0x500
[ 296.921811][ T27] ? submit_bio+0x2be/0x560
[ 296.931961][ T27] ? submit_bio_noacct+0x6d0/0x6d0
[ 296.942113][ T27] gfs2_find_jhead+0xec2/0x1000
[ 296.952268][ T27] gfs2_recover_func+0x663/0x1bc0
[ 296.960127][ T27] ? __lock_acquire+0x289d/0x7c60
[ 296.975479][ T27] ? __get_log_header+0x4f0/0x4f0
[ 296.980882][ T27] ? mark_lock+0x94/0x320
[ 296.985248][ T27] ? __lock_acquire+0x13ad/0x7c60
[ 297.000664][ T27] ? verify_lock_unused+0x140/0x140
[ 297.010831][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 297.027253][ T27] ? _raw_spin_unlock+0x40/0x40
[ 297.035920][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 297.045971][ T27] process_one_work+0x863/0x1000
[ 297.054826][ T4989] loop4: detected capacity change from 0 to 32768
[ 297.063927][ T27] ? worker_detach_from_pool+0x240/0x240
[ 297.070604][ T27] ? lockdep_hardirqs_off+0x70/0x100
[ 297.086040][ T27] ? _raw_spin_lock_irq+0xab/0xe0
[ 297.096088][ T27] ? _raw_spin_lock_irqsave+0xf0/0xf0
[ 297.105959][ T27] ? wq_worker_running+0x97/0x170
[ 297.116570][ T27] worker_thread+0xaa8/0x12a0
[ 297.126007][ T27] kthread+0x436/0x520
[ 297.130121][ T27] ? rcu_lock_release+0x20/0x20
[ 297.145300][ T27] ? kthread_blkcg+0xd0/0xd0
[ 297.155431][ T27] ret_from_fork+0x1f/0x30
[ 297.165916][ T27]
[ 297.171338][ T27] INFO: task syz.3.20:4399 blocked for more than 143 seconds.
[ 297.189302][ T27] Not tainted syzkaller #0
[ 297.199967][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 297.218784][ T27] task:syz.3.20 state:D stack:24680 pid: 4399 ppid: 4331 flags:0x00004004
[ 297.238390][ T27] Call Trace:
[ 297.245151][ T27]
[ 297.251602][ T27] __schedule+0x11bb/0x4390
[ 297.262499][ T27] ? preempt_schedule+0xa7/0xb0
[ 297.273162][ T27] ? preempt_schedule_common+0xa5/0xd0
[ 297.284356][ T27] ? preempt_schedule+0xa7/0xb0
[ 297.297312][ T27] ? lock_chain_count+0x20/0x20
[ 297.303054][ T4991] loop1: detected capacity change from 0 to 32768
[ 297.309714][ T27] ? release_firmware_map_entry+0x190/0x190
[ 297.316096][ T27] ? _raw_spin_unlock_irqrestore+0xf6/0x100
[ 297.322105][ T27] schedule+0x11b/0x1e0
[ 297.326445][ T27] bit_wait+0xd/0xc0
[ 297.330457][ T27] out_of_line_wait_on_bit+0x15e/0x200
[ 297.336054][ T27] ? out_of_line_wait_on_bit_lock+0x160/0x160
[ 297.342271][ T27] ? __wait_on_bit+0x170/0x170
[ 297.347227][ T27] ? bit_waitqueue+0x30/0x30
[ 297.351989][ T27] ? do_raw_spin_unlock+0x11d/0x230
[ 297.358402][ T27] gfs2_recover_journal+0x104/0x150
[ 297.363718][ T27] init_journal+0x1770/0x2220
[ 297.368609][ T27] ? end_bio_io_page+0x100/0x100
[ 297.373672][ T27] ? snprintf+0xd7/0x120
[ 297.380951][ T27] ? init_journal+0x710/0x2220
[ 297.388219][ T27] ? vscnprintf+0x80/0x80
[ 297.392719][ T27] ? gfs2_glock_nq_num+0x17a/0x1b0
[ 297.403942][ T4993] loop2: detected capacity change from 0 to 32768
[ 297.404472][ T27] init_inodes+0xdb/0x320
[ 297.414838][ T27] gfs2_fill_super+0x1701/0x1f50
[ 297.420788][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.426343][ T27] ? gfs2_glock_nq_num+0x82/0x1b0
[ 297.431423][ T27] ? preempt_count_add+0x8d/0x190
[ 297.436849][ T27] ? sb_set_blocksize+0xa5/0xe0
[ 297.441827][ T27] get_tree_bdev+0x3f1/0x610
[ 297.446949][ T27] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.452088][ T27] gfs2_get_tree+0x4d/0x1e0
[ 297.456734][ T27] vfs_get_tree+0x88/0x270
[ 297.461753][ T27] do_new_mount+0x24a/0xa40
[ 297.466451][ T27] __se_sys_mount+0x2d6/0x3c0
[ 297.471157][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 297.476028][ T27] ? lockdep_hardirqs_on+0x94/0x140
[ 297.481369][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 297.486308][ T27] do_syscall_64+0x4c/0xa0
[ 297.490752][ T27] ? clear_bhb_loop+0x30/0x80
[ 297.495431][ T27] ? clear_bhb_loop+0x30/0x80
[ 297.500548][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 297.508767][ T27] RIP: 0033:0x7f87f8bdc76a
[ 297.513222][ T27] RSP: 002b:00007f87f8249e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 297.521897][ T27] RAX: ffffffffffffffda RBX: 00007f87f8249ef0 RCX: 00007f87f8bdc76a
[ 297.529925][ T27] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f87f8249eb0
[ 297.537972][ T27] RBP: 0000200000021140 R08: 00007f87f8249ef0 R09: 0000000000008000
[ 297.546076][ T27] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 297.554078][ T27] R13: 00007f87f8249eb0 R14: 000000000002117d R15: 00002000000211c0
[ 297.563201][ T27]
[ 297.566347][ T27]
[ 297.566347][ T27] Showing all locks held in the system:
[ 297.574075][ T27] 1 lock held by khungtaskd/27:
[ 297.579460][ T27] #0: ffffffff8c11c760 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 297.580310][ T4987] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 297.588868][ T27] 2 locks held by kworker/u4:2/154:
[ 297.588917][ T27] 1 lock held by udevd/3562:
[ 297.588930][ T27] #0: ffff88801fe5d118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[ 297.589002][ T27] 2 locks held by getty/3948:
[ 297.589014][ T27] #0: ffff88802baac098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 297.606733][ T4987] CPU: 1 PID: 4987 Comm: syz.0.274 Not tainted syzkaller #0
[ 297.616410][ T27] #1:
[ 297.621108][ T4987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 297.630959][ T27] ffffc900026562e8
[ 297.638185][ T4987] Call Trace:
[ 297.638196][ T4987]
[ 297.638207][ T4987] dump_stack_lvl+0x168/0x230
[ 297.640965][ T27] (&ldata->atomic_read_lock
[ 297.651016][ T4987] ? show_regs_print_info+0x20/0x20
[ 297.651045][ T4987] ? load_image+0x3b0/0x3b0
[ 297.654751][ T27] ){+.+.}-{3:3}
[ 297.658047][ T4987] sysfs_create_dir_ns+0x252/0x280
[ 297.658076][ T4987] ? __lock_acquire+0x7c60/0x7c60
[ 297.658102][ T4987] ? sysfs_warn_dup+0xa0/0xa0
[ 297.658130][ T4987] ? do_raw_spin_unlock+0x11d/0x230
[ 297.658155][ T4987] kobject_add_internal+0x662/0xd00
[ 297.658184][ T4987] kobject_init_and_add+0x122/0x190
[ 297.665507][ T27] , at: n_tty_read+0x5ba/0x1a30
[ 297.665804][ T4987] ? lockdep_softirqs_off+0x420/0x420
[ 297.665840][ T4987] ? kobject_add+0x210/0x210
[ 297.670423][ T27] 2 locks held by kworker/0:10/4301:
[ 297.675618][ T4987] ? __init_swait_queue_head+0xa5/0x150
[ 297.680156][ T27] #0:
[ 297.683580][ T4987] gfs2_sys_fs_add+0x234/0x480
[ 297.688702][ T27] ffff88801b8f0538
[ 297.693701][ T4987] ? gfs2_recover_set+0x240/0x240
[ 297.698528][ T27] (
[ 297.703696][ T4987] ? snprintf+0xd7/0x120
[ 297.711082][ T27] (wq_completion)gfs_recovery
[ 297.714073][ T4987] ? __free_pages+0x95/0x1a0
[ 297.719241][ T27] ){+.+.}-{0:0}
[ 297.724409][ T4987] ? vscnprintf+0x80/0x80
[ 297.729370][ T27] , at: process_one_work+0x760/0x1000
[ 297.734476][ T4987] gfs2_fill_super+0x128d/0x1f50
[ 297.740367][ T27] #1:
[ 297.742787][ T4987] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.747877][ T27] ffffc9000301fd00
[ 297.752769][ T4987] ? preempt_count_add+0x8d/0x190
[ 297.770183][ T27] (
[ 297.774765][ T4987] ? sb_set_blocksize+0xa5/0xe0
[ 297.778632][ T27] (work_completion)(&jd->jd_work)
[ 297.782563][ T4987] get_tree_bdev+0x3f1/0x610
[ 297.788269][ T27] ){+.+.}-{0:0}
[ 297.792859][ T4987] ? gfs2_reconfigure+0xcd0/0xcd0
[ 297.795618][ T27] , at: process_one_work+0x7a3/0x1000
[ 297.800636][ T4987] gfs2_get_tree+0x4d/0x1e0
[ 297.800663][ T4987] vfs_get_tree+0x88/0x270
[ 297.805151][ T27] 1 lock held by syz.3.20/4399:
[ 297.809409][ T4987] do_new_mount+0x24a/0xa40
[ 297.809444][ T4987] __se_sys_mount+0x2d6/0x3c0
[ 297.809473][ T4987] ? __x64_sys_mount+0xc0/0xc0
[ 297.809498][ T4987] ? lockdep_hardirqs_on+0x94/0x140
[ 297.809527][ T4987] ? __x64_sys_mount+0x1c/0xc0
[ 297.809551][ T4987] do_syscall_64+0x4c/0xa0
[ 297.809571][ T4987] ? clear_bhb_loop+0x30/0x80
[ 297.815266][ T27] #0:
[ 297.816912][ T4987] ? clear_bhb_loop+0x30/0x80
[ 297.816942][ T4987] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 297.822170][ T27] ffff8880285fa0e0
[ 297.826552][ T4987] RIP: 0033:0x7f571ebd776a
[ 297.826576][ T4987] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 297.830033][ T27] (&type->s_umount_key
[ 297.835044][ T4987] RSP: 002b:00007f571e244e68 EFLAGS: 00000246
[ 297.841303][ T27] #53
[ 297.844926][ T4987] ORIG_RAX: 00000000000000a5
[ 297.849731][ T27] /1
[ 297.854175][ T4987] RAX: ffffffffffffffda RBX: 00007f571e244ef0 RCX: 00007f571ebd776a
[ 297.859163][ T27] ){+.+.}-{3:3}
[ 297.863429][ T4987] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f571e244eb0
[ 297.870234][ T27] , at: alloc_super+0x201/0x950
[ 297.873383][ T4987] RBP: 0000200000021140 R08: 00007f571e244ef0 R09: 0000000000008000
[ 297.878533][ T27] 1 lock held by udevd/4498:
[ 297.882550][ T4987] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 297.887559][ T27] #0:
[ 297.889996][ T4987] R13: 00007f571e244eb0 R14: 000000000002117d R15: 00002000000211c0
[ 297.894664][ T27] ffff88801fe5d118
[ 297.900571][ T4987]
[ 297.919467][ T4987] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 297.936751][ T27] (
[ 297.942029][ T4987] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 297.947820][ T27] &disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x157/0xa60
[ 298.043253][ T27] 2 locks held by syz.5.272/4983:
[ 298.050524][ T27] #0: ffff88801fe5d118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 298.060243][ T27] #1: ffff88801ff65468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 298.069593][ T27] 2 locks held by syz.0.274/4987:
[ 298.075292][ T27] #0: ffff88801fe44518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 298.085269][ T27] #1: ffff888147726468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 298.094388][ T27] 2 locks held by syz.4.275/4989:
[ 298.099494][ T27] #0: ffff88801fe57518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 298.109081][ T27] #1: ffff88801ff62468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 298.118128][ T27] 2 locks held by syz.1.276/4991:
[ 298.123167][ T27] #0: ffff88801fe46118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 298.132616][ T27] #1: ffff88801fec9468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 298.141663][ T27] 2 locks held by syz.2.277/4993:
[ 298.146739][ T27] #0: ffff88801fe47d18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xf9/0x7d0
[ 298.158394][ T27] #1: ffff88801fecc468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[ 298.167546][ T27]
[ 298.169894][ T27] =============================================
[ 298.169894][ T27]
[ 298.187285][ T4993] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.188811][ T4991] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.202335][ T4989] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 298.203107][ T4993] CPU: 1 PID: 4993 Comm: syz.2.277 Not tainted syzkaller #0
[ 298.217101][ T4993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 298.227189][ T4993] Call Trace:
[ 298.230477][ T4993]
[ 298.233413][ T4993] dump_stack_lvl+0x168/0x230
[ 298.238112][ T4993] ? show_regs_print_info+0x20/0x20
[ 298.243323][ T4993] ? load_image+0x3b0/0x3b0
[ 298.247847][ T4993] sysfs_create_dir_ns+0x252/0x280
[ 298.252975][ T4993] ? __lock_acquire+0x7c60/0x7c60
[ 298.258012][ T4993] ? sysfs_warn_dup+0xa0/0xa0
[ 298.262704][ T4993] ? do_raw_spin_unlock+0x11d/0x230
[ 298.267911][ T4993] kobject_add_internal+0x662/0xd00
[ 298.273127][ T4993] kobject_init_and_add+0x122/0x190
[ 298.278340][ T4993] ? lockdep_softirqs_off+0x420/0x420
[ 298.283726][ T4993] ? kobject_add+0x210/0x210
[ 298.288328][ T4993] ? __init_swait_queue_head+0xa5/0x150
[ 298.293914][ T4993] gfs2_sys_fs_add+0x234/0x480
[ 298.298690][ T4993] ? gfs2_recover_set+0x240/0x240
[ 298.303727][ T4993] ? snprintf+0xd7/0x120
[ 298.307977][ T4993] ? __free_pages+0x95/0x1a0
[ 298.312594][ T4993] ? vscnprintf+0x80/0x80
[ 298.316968][ T4993] gfs2_fill_super+0x128d/0x1f50
[ 298.321943][ T4993] ? gfs2_reconfigure+0xcd0/0xcd0
[ 298.326989][ T4993] ? preempt_count_add+0x8d/0x190
[ 298.332036][ T4993] ? sb_set_blocksize+0xa5/0xe0
[ 298.336900][ T4993] get_tree_bdev+0x3f1/0x610
[ 298.341499][ T4993] ? gfs2_reconfigure+0xcd0/0xcd0
[ 298.346538][ T4993] gfs2_get_tree+0x4d/0x1e0
[ 298.351052][ T4993] vfs_get_tree+0x88/0x270
[ 298.355479][ T4993] do_new_mount+0x24a/0xa40
[ 298.359999][ T4993] __se_sys_mount+0x2d6/0x3c0
[ 298.364690][ T4993] ? __x64_sys_mount+0xc0/0xc0
[ 298.369471][ T4993] ? lockdep_hardirqs_on+0x94/0x140
[ 298.374677][ T4993] ? __x64_sys_mount+0x1c/0xc0
[ 298.379459][ T4993] do_syscall_64+0x4c/0xa0
[ 298.383880][ T4993] ? clear_bhb_loop+0x30/0x80
[ 298.388566][ T4993] ? clear_bhb_loop+0x30/0x80
[ 298.393251][ T4993] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 298.399161][ T4993] RIP: 0033:0x7f64cc7bf76a
[ 298.403584][ T4993] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 298.423199][ T4993] RSP: 002b:00007f64cbe2ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.431627][ T4993] RAX: ffffffffffffffda RBX: 00007f64cbe2cef0 RCX: 00007f64cc7bf76a
[ 298.439608][ T4993] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f64cbe2ceb0
[ 298.447587][ T4993] RBP: 0000200000021140 R08: 00007f64cbe2cef0 R09: 0000000000008000
[ 298.455568][ T4993] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 298.463552][ T4993] R13: 00007f64cbe2ceb0 R14: 000000000002117d R15: 00002000000211c0
[ 298.471543][ T4993]
[ 298.474566][ T27] NMI backtrace for cpu 0
[ 298.478917][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 298.486144][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 298.496255][ T27] Call Trace:
[ 298.499544][ T27]
[ 298.502479][ T27] dump_stack_lvl+0x168/0x230
[ 298.507200][ T27] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 298.513400][ T27] ? show_regs_print_info+0x20/0x20
[ 298.518640][ T27] ? load_image+0x3b0/0x3b0
[ 298.523356][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 298.528509][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 298.533487][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 298.539672][ T27] ? _printk+0xcc/0x110
[ 298.543963][ T27] ? load_image+0x3b0/0x3b0
[ 298.548505][ T27] ? load_image+0x3b0/0x3b0
[ 298.553044][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
2025/11/02 20:21:14 executed programs: 271
[ 298.559143][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 298.565160][ T27] watchdog+0xe0f/0xe50
[ 298.569347][ T27] kthread+0x436/0x520
[ 298.573440][ T27] ? hungtask_pm_notify+0x40/0x40
[ 298.578653][ T27] ? kthread_blkcg+0xd0/0xd0
[ 298.583344][ T27] ret_from_fork+0x1f/0x30
[ 298.587876][ T27]
[ 298.590973][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 298.593019][ T4991] CPU: 1 PID: 4991 Comm: syz.1.276 Not tainted syzkaller #0
[ 298.596266][ C1] NMI backtrace for cpu 1
[ 298.596276][ C1] CPU: 1 PID: 4991 Comm: syz.1.276 Not tainted syzkaller #0
[ 298.596293][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 298.596304][ C1] RIP: 0010:io_serial_out+0x78/0xb0
[ 298.596328][ C1] Code: 3f 32 fd 44 89 f9 d3 e5 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 b0 a7 76 fd 41 03 2e 89 d8 89 ea ee <5b> 41 5c 41 5e 41 5f 5d c3 44 89 f9 80 e1 07 38 c1 7c aa 4c 89 ff
[ 298.596344][ C1] RSP: 0018:ffffc90002eff050 EFLAGS: 00000006
[ 298.596359][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 298.596370][ C1] RDX: 00000000000003f9 RSI: 0000000000000000 RDI: 0000000000000020
[ 298.596381][ C1] RBP: 00000000000003f9 R08: 0000000000000004 R09: 0000000000000003
[ 298.596392][ C1] R10: fffff520005dfdec R11: 1ffff920005dfdec R12: dffffc0000000000
[ 298.596406][ C1] R13: ffffffff963eb800 R14: ffffffff963eb840 R15: 0000000000000000
[ 298.596419][ C1] FS: 00007f0ecb14c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
[ 298.596435][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 298.596448][ C1] CR2: 00007fff9e09af3c CR3: 0000000079215000 CR4: 00000000003506e0
[ 298.596464][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 298.596474][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 298.596486][ C1] Call Trace:
[ 298.596492][ C1]
[ 298.596500][ C1] serial8250_console_write+0x2b5/0xf80
[ 298.596528][ C1] ? serial8250_set_defaults+0x600/0x600
[ 298.596550][ C1] ? read_lock_is_recursive+0x10/0x10
[ 298.596570][ C1] ? do_raw_spin_lock+0x11d/0x280
[ 298.596589][ C1] ? __rwlock_init+0x140/0x140
[ 298.596604][ C1] ? _prb_commit+0x289/0x340
[ 298.596622][ C1] ? do_raw_spin_unlock+0x11d/0x230
[ 298.596642][ C1] console_unlock+0xc86/0x1200
[ 298.596662][ C1] ? console_trylock_spinning+0x350/0x350
[ 298.596688][ C1] ? read_lock_is_recursive+0x10/0x10
[ 298.596708][ C1] ? __rwlock_init+0x140/0x140
[ 298.596723][ C1] ? __schedule+0x11c3/0x4390
[ 298.596748][ C1] ? vprintk_emit+0x150/0x150
[ 298.596771][ C1] ? release_firmware_map_entry+0x190/0x190
[ 298.596794][ C1] vprintk_emit+0xc0/0x150
[ 298.596815][ C1] _printk+0xcc/0x110
[ 298.596838][ C1] ? load_image+0x3b0/0x3b0
[ 298.596857][ C1] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 298.596876][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 298.596896][ C1] ? memcpy+0x3c/0x60
[ 298.596915][ C1] dump_stack_print_info+0xc9/0x150
[ 298.596940][ C1] __dump_stack+0x11/0x20
[ 298.596957][ C1] dump_stack_lvl+0x168/0x230
[ 298.596977][ C1] ? show_regs_print_info+0x20/0x20
[ 298.596997][ C1] ? load_image+0x3b0/0x3b0
[ 298.597022][ C1] sysfs_create_dir_ns+0x252/0x280
[ 298.597043][ C1] ? __lock_acquire+0x7c60/0x7c60
[ 298.597062][ C1] ? sysfs_warn_dup+0xa0/0xa0
[ 298.597084][ C1] ? do_raw_spin_unlock+0x11d/0x230
[ 298.597103][ C1] kobject_add_internal+0x662/0xd00
[ 298.597126][ C1] kobject_init_and_add+0x122/0x190
[ 298.597142][ C1] ? lockdep_softirqs_off+0x420/0x420
[ 298.597164][ C1] ? kobject_add+0x210/0x210
[ 298.597183][ C1] ? __init_swait_queue_head+0xa5/0x150
[ 298.597212][ C1] gfs2_sys_fs_add+0x234/0x480
[ 298.597232][ C1] ? gfs2_recover_set+0x240/0x240
[ 298.597248][ C1] ? snprintf+0xd7/0x120
[ 298.597267][ C1] ? __free_pages+0x95/0x1a0
[ 298.597286][ C1] ? vscnprintf+0x80/0x80
[ 298.597312][ C1] gfs2_fill_super+0x128d/0x1f50
[ 298.597338][ C1] ? gfs2_reconfigure+0xcd0/0xcd0
[ 298.597358][ C1] ? preempt_count_add+0x8d/0x190
[ 298.597383][ C1] ? sb_set_blocksize+0xa5/0xe0
[ 298.597404][ C1] get_tree_bdev+0x3f1/0x610
[ 298.597424][ C1] ? gfs2_reconfigure+0xcd0/0xcd0
[ 298.597443][ C1] gfs2_get_tree+0x4d/0x1e0
[ 298.597463][ C1] vfs_get_tree+0x88/0x270
[ 298.597482][ C1] do_new_mount+0x24a/0xa40
[ 298.597504][ C1] __se_sys_mount+0x2d6/0x3c0
[ 298.597526][ C1] ? __x64_sys_mount+0xc0/0xc0
[ 298.597546][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 298.597562][ C1] ? __x64_sys_mount+0x1c/0xc0
[ 298.597581][ C1] do_syscall_64+0x4c/0xa0
[ 298.597596][ C1] ? clear_bhb_loop+0x30/0x80
[ 298.597612][ C1] ? clear_bhb_loop+0x30/0x80
[ 298.597630][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 298.597648][ C1] RIP: 0033:0x7f0ecbade76a
[ 298.597663][ C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 298.597678][ C1] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 298.597696][ C1] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 298.597709][ C1] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 298.597722][ C1] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 298.597734][ C1] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 298.597746][ C1] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 298.597767][ C1]
[ 298.614642][ T4993] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 298.616803][ T4991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 298.616819][ T4991] Call Trace:
[ 298.616827][ T4991]
[ 298.616836][ T4991] dump_stack_lvl+0x168/0x230
[ 298.654336][ T4993] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 298.657776][ T4991] ? show_regs_print_info+0x20/0x20
[ 298.657812][ T4991] ? load_image+0x3b0/0x3b0
[ 299.146494][ T4991] sysfs_create_dir_ns+0x252/0x280
[ 299.151646][ T4991] ? __lock_acquire+0x7c60/0x7c60
[ 299.157060][ T4991] ? sysfs_warn_dup+0xa0/0xa0
[ 299.161778][ T4991] ? do_raw_spin_unlock+0x11d/0x230
[ 299.167010][ T4991] kobject_add_internal+0x662/0xd00
[ 299.172257][ T4991] kobject_init_and_add+0x122/0x190
[ 299.177489][ T4991] ? lockdep_softirqs_off+0x420/0x420
[ 299.182900][ T4991] ? kobject_add+0x210/0x210
[ 299.187521][ T4991] ? __init_swait_queue_head+0xa5/0x150
[ 299.193107][ T4991] gfs2_sys_fs_add+0x234/0x480
[ 299.197904][ T4991] ? gfs2_recover_set+0x240/0x240
[ 299.202961][ T4991] ? snprintf+0xd7/0x120
[ 299.207236][ T4991] ? __free_pages+0x95/0x1a0
[ 299.211861][ T4991] ? vscnprintf+0x80/0x80
[ 299.216230][ T4991] gfs2_fill_super+0x128d/0x1f50
[ 299.221210][ T4991] ? gfs2_reconfigure+0xcd0/0xcd0
[ 299.226279][ T4991] ? preempt_count_add+0x8d/0x190
[ 299.231347][ T4991] ? sb_set_blocksize+0xa5/0xe0
[ 299.236229][ T4991] get_tree_bdev+0x3f1/0x610
[ 299.240855][ T4991] ? gfs2_reconfigure+0xcd0/0xcd0
[ 299.245903][ T4991] gfs2_get_tree+0x4d/0x1e0
[ 299.250445][ T4991] vfs_get_tree+0x88/0x270
[ 299.254890][ T4991] do_new_mount+0x24a/0xa40
[ 299.259429][ T4991] __se_sys_mount+0x2d6/0x3c0
[ 299.264140][ T4991] ? __x64_sys_mount+0xc0/0xc0
[ 299.268941][ T4991] ? lockdep_hardirqs_on+0x94/0x140
[ 299.274304][ T4991] ? __x64_sys_mount+0x1c/0xc0
[ 299.279130][ T4991] do_syscall_64+0x4c/0xa0
[ 299.283578][ T4991] ? clear_bhb_loop+0x30/0x80
[ 299.288301][ T4991] ? clear_bhb_loop+0x30/0x80
[ 299.293013][ T4991] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 299.299022][ T4991] RIP: 0033:0x7f0ecbade76a
[ 299.303470][ T4991] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 299.323113][ T4991] RSP: 002b:00007f0ecb14be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.331561][ T4991] RAX: ffffffffffffffda RBX: 00007f0ecb14bef0 RCX: 00007f0ecbade76a
[ 299.339571][ T4991] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f0ecb14beb0
[ 299.347578][ T4991] RBP: 0000200000021140 R08: 00007f0ecb14bef0 R09: 0000000000008000
[ 299.355579][ T4991] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 299.363762][ T4991] R13: 00007f0ecb14beb0 R14: 000000000002117d R15: 00002000000211c0
[ 299.372220][ T4991]
[ 299.381348][ T4989] CPU: 1 PID: 4989 Comm: syz.4.275 Not tainted syzkaller #0
[ 299.388689][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 299.398770][ T4989] Call Trace:
[ 299.402069][ T4989]
[ 299.405024][ T4989] dump_stack_lvl+0x168/0x230
[ 299.409737][ T4989] ? show_regs_print_info+0x20/0x20
[ 299.414970][ T4989] ? load_image+0x3b0/0x3b0
[ 299.419514][ T4989] sysfs_create_dir_ns+0x252/0x280
[ 299.424662][ T4989] ? __lock_acquire+0x7c60/0x7c60
[ 299.429735][ T4989] ? sysfs_warn_dup+0xa0/0xa0
[ 299.434535][ T4989] ? do_raw_spin_unlock+0x11d/0x230
[ 299.439767][ T4989] kobject_add_internal+0x662/0xd00
[ 299.445001][ T4989] kobject_init_and_add+0x122/0x190
[ 299.450247][ T4989] ? lockdep_softirqs_off+0x420/0x420
[ 299.455656][ T4989] ? kobject_add+0x210/0x210
[ 299.460409][ T4989] ? __init_swait_queue_head+0xa5/0x150
[ 299.466104][ T4989] gfs2_sys_fs_add+0x234/0x480
[ 299.470911][ T4989] ? gfs2_recover_set+0x240/0x240
[ 299.476623][ T4989] ? snprintf+0xd7/0x120
[ 299.480927][ T4989] ? __free_pages+0x95/0x1a0
[ 299.485560][ T4989] ? vscnprintf+0x80/0x80
[ 299.490028][ T4989] gfs2_fill_super+0x128d/0x1f50
[ 299.495015][ T4989] ? gfs2_reconfigure+0xcd0/0xcd0
[ 299.500094][ T4989] ? preempt_count_add+0x8d/0x190
[ 299.505173][ T4989] ? sb_set_blocksize+0xa5/0xe0
[ 299.510062][ T4989] get_tree_bdev+0x3f1/0x610
[ 299.514689][ T4989] ? gfs2_reconfigure+0xcd0/0xcd0
[ 299.519743][ T4989] gfs2_get_tree+0x4d/0x1e0
[ 299.524280][ T4989] vfs_get_tree+0x88/0x270
[ 299.528725][ T4989] do_new_mount+0x24a/0xa40
[ 299.533267][ T4989] __se_sys_mount+0x2d6/0x3c0
[ 299.537984][ T4989] ? __x64_sys_mount+0xc0/0xc0
[ 299.542779][ T4989] ? lockdep_hardirqs_on+0x94/0x140
[ 299.548001][ T4989] ? __x64_sys_mount+0x1c/0xc0
[ 299.552811][ T4989] do_syscall_64+0x4c/0xa0
[ 299.557255][ T4989] ? clear_bhb_loop+0x30/0x80
[ 299.561966][ T4989] ? clear_bhb_loop+0x30/0x80
[ 299.566681][ T4989] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 299.572608][ T4989] RIP: 0033:0x7f2d6a14a76a
[ 299.577161][ T4989] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[ 299.596809][ T4989] RSP: 002b:00007f2d697b7e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 299.605261][ T4989] RAX: ffffffffffffffda RBX: 00007f2d697b7ef0 RCX: 00007f2d6a14a76a
[ 299.613268][ T4989] RDX: 0000200000021140 RSI: 0000200000021180 RDI: 00007f2d697b7eb0
[ 299.621284][ T4989] RBP: 0000200000021140 R08: 00007f2d697b7ef0 R09: 0000000000008000
[ 299.629301][ T4989] R10: 0000000000008000 R11: 0000000000000246 R12: 0000200000021180
[ 299.637319][ T4989] R13: 00007f2d697b7eb0 R14: 000000000002117d R15: 00002000000211c0
[ 299.645343][ T4989]
[ 299.646912][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 299.655263][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted syzkaller #0
[ 299.660491][ T4989] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.662505][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 299.682258][ T4989] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.686246][ T27] Call Trace:
[ 299.686257][ T27]
[ 299.686266][ T27] dump_stack_lvl+0x168/0x230
[ 299.686298][ T27] ? show_regs_print_info+0x20/0x20
[ 299.686323][ T27] ? load_image+0x3b0/0x3b0
[ 299.686453][ T27] panic+0x2c9/0x7f0
[ 299.686487][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 299.686516][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 299.686542][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 299.686574][ T27] watchdog+0xe4e/0xe50
[ 299.686607][ T27] kthread+0x436/0x520
[ 299.686627][ T27] ? hungtask_pm_notify+0x40/0x40
[ 299.696198][ T4991] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 299.696764][ T27] ? kthread_blkcg+0xd0/0xd0
[ 299.699724][ T4991] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 299.704399][ T27] ret_from_fork+0x1f/0x30
[ 299.704438][ T27]
[ 299.709920][ T27] Kernel Offset: disabled
[ 299.783607][ T27] Rebooting in 86400 seconds..