[ T6533] vfs_get_tree+0x92/0x2a0
[ 185.284642][ T6533] do_new_mount+0x302/0xa10
[ 185.284666][ T6533] ? apparmor_capable+0x137/0x1a0
[ 185.284690][ T6533] ? __pfx_do_new_mount+0x10/0x10
[ 185.284710][ T6533] ? ns_capable+0x8a/0xf0
[ 185.284733][ T6533] ? kmem_cache_free+0x197/0x620
[ 185.284763][ T6533] __se_sys_mount+0x313/0x410
[ 185.284790][ T6533] ? __pfx___se_sys_mount+0x10/0x10
[ 185.284814][ T6533] ? do_syscall_64+0xbe/0xf80
[ 185.284831][ T6533] ? __x64_sys_mount+0x20/0xc0
[ 185.284852][ T6533] do_syscall_64+0xfa/0xf80
[ 185.284873][ T6533] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 185.284890][ T6533] ? clear_bhb_loop+0x60/0xb0
[ 185.284912][ T6533] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 185.284930][ T6533] RIP: 0033:0x7f555fd90eea
[ 185.284948][ T6533] 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
[ 185.284964][ T6533] RSP: 002b:00007ffcb481be18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 185.284985][ T6533] RAX: ffffffffffffffda RBX: 00007ffcb481bea0 RCX: 00007f555fd90eea
[ 185.284999][ T6533] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffcb481be60
[ 185.285012][ T6533] RBP: 00002000000124c0 R08: 00007ffcb481bea0 R09: 0000000000000000
[ 185.285025][ T6533] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 185.285037][ T6533] R13: 00007ffcb481be60 R14: 00000000000125c7 R15: 0000200000000180
[ 185.285068][ T6533]
[ 185.285092][ T6533] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 185.293803][ T5932] gfs2: fsid=syz:syz.0: jid=0: Done
[ 185.296586][ T6533] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 185.311439][ T6532] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 185.738339][ T6532] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 185.753546][ T6540] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 185.813818][ T6538] loop0: detected capacity change from 0 to 32768
[ 185.825969][ T6540] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 185.835216][ T6540] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:6540 [gfs2_quotad/syz] gfs2_quota_sync+0x359/0x460
[ 185.845999][ T6540] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 185.854250][ T6540] CPU: 1 UID: 0 PID: 6540 Comm: gfs2_quotad/syz Not tainted syzkaller #0 PREEMPT(full)
[ 185.854275][ T6540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 185.854286][ T6540] Call Trace:
[ 185.854294][ T6540]
[ 185.854302][ T6540] dump_stack_lvl+0x189/0x250
[ 185.854331][ T6540] ? __pfx_dump_stack_lvl+0x10/0x10
[ 185.854352][ T6540] ? queue_delayed_work_on+0x11a/0x280
[ 185.854373][ T6540] ? lockdep_hardirqs_on+0x98/0x140
[ 185.854394][ T6540] ? preempt_schedule+0xae/0xc0
[ 185.854420][ T6540] gfs2_withdraw+0xc3/0x1b0
[ 185.854445][ T6540] inode_go_instantiate+0xdd0/0x1210
[ 185.854476][ T6540] ? __pfx_inode_go_instantiate+0x10/0x10
[ 185.854502][ T6540] ? gfs2_glock_nq+0xedd/0x15f0
[ 185.854532][ T6540] gfs2_instantiate+0x168/0x220
[ 185.854558][ T6540] gfs2_glock_wait+0x1d4/0x2a0
[ 185.854585][ T6540] do_sync+0x46f/0xc60
[ 185.854603][ T6540] ? _raw_spin_unlock+0x28/0x50
[ 185.854620][ T6540] ? gfs2_quota_sync+0x359/0x460
[ 185.854650][ T6540] ? __pfx_do_sync+0x10/0x10
[ 185.854678][ T6540] ? gfs2_quota_sync+0x359/0x460
[ 185.854701][ T6540] ? do_raw_spin_unlock+0x122/0x240
[ 185.854727][ T6540] gfs2_quota_sync+0x359/0x460
[ 185.854756][ T6540] gfs2_quotad+0x3d5/0x930
[ 185.854798][ T6540] ? __pfx_gfs2_quotad+0x10/0x10
[ 185.854821][ T6540] ? __kthread_parkme+0x7b/0x200
[ 185.854841][ T6540] ? __kthread_parkme+0x1a1/0x200
[ 185.854867][ T6540] kthread+0x711/0x8a0
[ 185.854892][ T6540] ? __pfx_gfs2_quotad+0x10/0x10
[ 185.854912][ T6540] ? __pfx_kthread+0x10/0x10
[ 185.854935][ T6540] ? _raw_spin_unlock_irq+0x23/0x50
[ 185.854953][ T6540] ? lockdep_hardirqs_on+0x98/0x140
[ 185.854971][ T6540] ? __pfx_kthread+0x10/0x10
[ 185.854994][ T6540] ret_from_fork+0x599/0xb30
[ 185.855013][ T6540] ? __pfx_ret_from_fork+0x10/0x10
[ 185.855041][ T6540] ? __switch_to_asm+0x39/0x70
[ 185.855061][ T6540] ? __switch_to_asm+0x33/0x70
[ 185.855081][ T6540] ? __pfx_kthread+0x10/0x10
[ 185.855103][ T6540] ret_from_fork_asm+0x1a/0x30
[ 185.855141][ T6540]
[ 185.855149][ T6540] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 186.073230][ T6538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 186.080738][ T6538] CPU: 1 UID: 0 PID: 6538 Comm: syz.0.150 Not tainted syzkaller #0 PREEMPT(full)
[ 186.080764][ T6538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 186.080784][ T6538] Call Trace:
[ 186.080792][ T6538]
[ 186.080800][ T6538] dump_stack_lvl+0x189/0x250
[ 186.080829][ T6538] ? __pfx_dump_stack_lvl+0x10/0x10
[ 186.080850][ T6538] ? __pfx__printk+0x10/0x10
[ 186.080880][ T6538] ? kernfs_path_from_node+0x250/0x290
[ 186.080899][ T6538] ? kernfs_path_from_node+0x2f/0x290
[ 186.080921][ T6538] sysfs_create_dir_ns+0x259/0x280
[ 186.080944][ T6538] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 186.080966][ T6538] ? do_raw_spin_unlock+0x122/0x240
[ 186.080993][ T6538] kobject_add_internal+0x6ab/0xcc0
[ 186.081023][ T6538] kobject_init_and_add+0x125/0x190
[ 186.081052][ T6538] ? __pfx_kobject_init_and_add+0x10/0x10
[ 186.081075][ T6538] ? __raw_spin_lock_init+0x45/0x100
[ 186.081100][ T6538] ? __init_swait_queue_head+0xa9/0x150
[ 186.081126][ T6538] gfs2_sys_fs_add+0x234/0x450
[ 186.081150][ T6538] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 186.081178][ T6538] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 186.081214][ T6538] gfs2_fill_super+0x1388/0x21b0
[ 186.081255][ T6538] ? __pfx_gfs2_fill_super+0x10/0x10
[ 186.081282][ T6538] ? sb_set_blocksize+0x155/0x240
[ 186.081309][ T6538] ? setup_bdev_super+0x4c1/0x5b0
[ 186.081331][ T6538] get_tree_bdev_flags+0x40e/0x4d0
[ 186.081350][ T6538] ? __pfx_gfs2_fill_super+0x10/0x10
[ 186.081373][ T6538] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 186.081388][ T6538] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 186.081422][ T6538] gfs2_get_tree+0x51/0x1e0
[ 186.081448][ T6538] vfs_get_tree+0x92/0x2a0
[ 186.081475][ T6538] do_new_mount+0x302/0xa10
[ 186.081495][ T6538] ? apparmor_capable+0x137/0x1a0
[ 186.081519][ T6538] ? __pfx_do_new_mount+0x10/0x10
[ 186.081540][ T6538] ? ns_capable+0x8a/0xf0
[ 186.081561][ T6538] ? kmem_cache_free+0x197/0x620
[ 186.081590][ T6538] __se_sys_mount+0x313/0x410
[ 186.081616][ T6538] ? __pfx___se_sys_mount+0x10/0x10
[ 186.081639][ T6538] ? do_syscall_64+0xbe/0xf80
[ 186.081657][ T6538] ? __x64_sys_mount+0x20/0xc0
[ 186.081680][ T6538] do_syscall_64+0xfa/0xf80
[ 186.081700][ T6538] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 186.081716][ T6538] ? clear_bhb_loop+0x60/0xb0
[ 186.081737][ T6538] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 186.081753][ T6538] RIP: 0033:0x7f0cfdb90eea
[ 186.081777][ T6538] 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
[ 186.081792][ T6538] RSP: 002b:00007ffc5c048498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 186.081811][ T6538] RAX: ffffffffffffffda RBX: 00007ffc5c048520 RCX: 00007f0cfdb90eea
[ 186.081824][ T6538] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffc5c0484e0
[ 186.081837][ T6538] RBP: 00002000000124c0 R08: 00007ffc5c048520 R09: 0000000000000000
[ 186.081850][ T6538] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 186.081861][ T6538] R13: 00007ffc5c0484e0 R14: 00000000000125c7 R15: 0000200000000180
[ 186.081892][ T6538]
[ 186.081918][ T6538] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 186.403463][ T6538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 186.481392][ T6543] loop1: detected capacity change from 0 to 32768
[ 186.535540][ T6543] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 186.543031][ T6543] CPU: 0 UID: 0 PID: 6543 Comm: syz.1.151 Not tainted syzkaller #0 PREEMPT(full)
[ 186.543056][ T6543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 186.543066][ T6543] Call Trace:
[ 186.543074][ T6543]
[ 186.543082][ T6543] dump_stack_lvl+0x189/0x250
[ 186.543109][ T6543] ? __pfx_dump_stack_lvl+0x10/0x10
[ 186.543129][ T6543] ? __pfx__printk+0x10/0x10
[ 186.543156][ T6543] ? kernfs_path_from_node+0x250/0x290
[ 186.543173][ T6543] ? kernfs_path_from_node+0x2f/0x290
[ 186.543192][ T6543] sysfs_create_dir_ns+0x259/0x280
[ 186.543223][ T6543] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 186.543242][ T6543] ? do_raw_spin_unlock+0x122/0x240
[ 186.543267][ T6543] kobject_add_internal+0x6ab/0xcc0
[ 186.543295][ T6543] kobject_init_and_add+0x125/0x190
[ 186.543321][ T6543] ? __pfx_kobject_init_and_add+0x10/0x10
[ 186.543344][ T6543] ? __raw_spin_lock_init+0x45/0x100
[ 186.543368][ T6543] ? __init_swait_queue_head+0xa9/0x150
[ 186.543392][ T6543] gfs2_sys_fs_add+0x234/0x450
[ 186.543414][ T6543] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 186.543441][ T6543] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 186.543475][ T6543] gfs2_fill_super+0x1388/0x21b0
[ 186.543510][ T6543] ? __pfx_gfs2_fill_super+0x10/0x10
[ 186.543556][ T6543] ? sb_set_blocksize+0x155/0x240
[ 186.543579][ T6543] ? setup_bdev_super+0x4c1/0x5b0
[ 186.543597][ T6543] get_tree_bdev_flags+0x40e/0x4d0
[ 186.543611][ T6543] ? __pfx_gfs2_fill_super+0x10/0x10
[ 186.543630][ T6543] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 186.543642][ T6543] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 186.543670][ T6543] gfs2_get_tree+0x51/0x1e0
[ 186.543691][ T6543] vfs_get_tree+0x92/0x2a0
[ 186.543707][ T6543] do_new_mount+0x302/0xa10
[ 186.543723][ T6543] ? apparmor_capable+0x137/0x1a0
[ 186.543743][ T6543] ? __pfx_do_new_mount+0x10/0x10
[ 186.543759][ T6543] ? ns_capable+0x8a/0xf0
[ 186.543776][ T6543] ? kmem_cache_free+0x197/0x620
[ 186.543798][ T6543] __se_sys_mount+0x313/0x410
[ 186.543819][ T6543] ? __pfx___se_sys_mount+0x10/0x10
[ 186.543839][ T6543] ? do_syscall_64+0xbe/0xf80
[ 186.543853][ T6543] ? __x64_sys_mount+0x20/0xc0
[ 186.543871][ T6543] do_syscall_64+0xfa/0xf80
[ 186.543888][ T6543] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 186.543901][ T6543] ? clear_bhb_loop+0x60/0xb0
[ 186.543918][ T6543] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 186.543931][ T6543] RIP: 0033:0x7f2cbef90eea
[ 186.543946][ T6543] 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
[ 186.543958][ T6543] RSP: 002b:00007fff3bdec3f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 186.543980][ T6543] RAX: ffffffffffffffda RBX: 00007fff3bdec480 RCX: 00007f2cbef90eea
[ 186.543991][ T6543] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff3bdec440
[ 186.544001][ T6543] RBP: 00002000000124c0 R08: 00007fff3bdec480 R09: 0000000000000000
[ 186.544011][ T6543] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 186.544021][ T6543] R13: 00007fff3bdec440 R14: 00000000000125c7 R15: 0000200000000180
[ 186.544044][ T6543]
[ 186.544070][ T6543] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 186.874303][ T6543] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 187.168605][ T6547] loop2: detected capacity change from 0 to 32768
[ 187.182336][ T6547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 187.196094][ T6547] CPU: 1 UID: 0 PID: 6547 Comm: syz.2.152 Not tainted syzkaller #0 PREEMPT(full)
[ 187.196120][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 187.196132][ T6547] Call Trace:
[ 187.196141][ T6547]
[ 187.196149][ T6547] dump_stack_lvl+0x189/0x250
[ 187.196178][ T6547] ? __pfx_dump_stack_lvl+0x10/0x10
[ 187.196199][ T6547] ? __pfx__printk+0x10/0x10
[ 187.196228][ T6547] ? kernfs_path_from_node+0x250/0x290
[ 187.196247][ T6547] ? kernfs_path_from_node+0x2f/0x290
[ 187.196270][ T6547] sysfs_create_dir_ns+0x259/0x280
[ 187.196292][ T6547] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 187.196314][ T6547] ? do_raw_spin_unlock+0x122/0x240
[ 187.196342][ T6547] kobject_add_internal+0x6ab/0xcc0
[ 187.196374][ T6547] kobject_init_and_add+0x125/0x190
[ 187.196402][ T6547] ? __pfx_kobject_init_and_add+0x10/0x10
[ 187.196426][ T6547] ? __raw_spin_lock_init+0x45/0x100
[ 187.196450][ T6547] ? __init_swait_queue_head+0xa9/0x150
[ 187.196475][ T6547] gfs2_sys_fs_add+0x234/0x450
[ 187.196498][ T6547] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 187.196527][ T6547] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 187.196564][ T6547] gfs2_fill_super+0x1388/0x21b0
[ 187.196603][ T6547] ? __pfx_gfs2_fill_super+0x10/0x10
[ 187.196630][ T6547] ? sb_set_blocksize+0x155/0x240
[ 187.196657][ T6547] ? setup_bdev_super+0x4c1/0x5b0
[ 187.196679][ T6547] get_tree_bdev_flags+0x40e/0x4d0
[ 187.196697][ T6547] ? __pfx_gfs2_fill_super+0x10/0x10
[ 187.196720][ T6547] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 187.196736][ T6547] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 187.196770][ T6547] gfs2_get_tree+0x51/0x1e0
[ 187.196796][ T6547] vfs_get_tree+0x92/0x2a0
[ 187.196818][ T6547] do_new_mount+0x302/0xa10
[ 187.196836][ T6547] ? apparmor_capable+0x137/0x1a0
[ 187.196861][ T6547] ? __pfx_do_new_mount+0x10/0x10
[ 187.196881][ T6547] ? ns_capable+0x8a/0xf0
[ 187.196911][ T6547] ? kmem_cache_free+0x197/0x620
[ 187.196940][ T6547] __se_sys_mount+0x313/0x410
[ 187.196968][ T6547] ? __pfx___se_sys_mount+0x10/0x10
[ 187.196993][ T6547] ? do_syscall_64+0xbe/0xf80
[ 187.197011][ T6547] ? __x64_sys_mount+0x20/0xc0
[ 187.197034][ T6547] do_syscall_64+0xfa/0xf80
[ 187.197054][ T6547] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 187.197072][ T6547] ? clear_bhb_loop+0x60/0xb0
[ 187.197094][ T6547] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 187.197111][ T6547] RIP: 0033:0x7f46b4190eea
[ 187.197128][ T6547] 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
[ 187.197144][ T6547] RSP: 002b:00007fff654abbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 187.197163][ T6547] RAX: ffffffffffffffda RBX: 00007fff654abc50 RCX: 00007f46b4190eea
[ 187.197177][ T6547] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff654abc10
[ 187.197191][ T6547] RBP: 00002000000124c0 R08: 00007fff654abc50 R09: 0000000000000000
[ 187.197204][ T6547] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 187.197215][ T6547] R13: 00007fff654abc10 R14: 00000000000125c7 R15: 0000200000000180
[ 187.197244][ T6547]
[ 187.197268][ T6547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 187.529081][ T6547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 188.132952][ T6550] loop3: detected capacity change from 0 to 32768
[ 188.168905][ T6550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 188.176499][ T6550] CPU: 0 UID: 0 PID: 6550 Comm: syz.3.154 Not tainted syzkaller #0 PREEMPT(full)
[ 188.176524][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 188.176537][ T6550] Call Trace:
[ 188.176544][ T6550]
[ 188.176552][ T6550] dump_stack_lvl+0x189/0x250
[ 188.176591][ T6550] ? __pfx_dump_stack_lvl+0x10/0x10
[ 188.176611][ T6550] ? __pfx__printk+0x10/0x10
[ 188.176640][ T6550] ? kernfs_path_from_node+0x250/0x290
[ 188.176659][ T6550] ? kernfs_path_from_node+0x2f/0x290
[ 188.176681][ T6550] sysfs_create_dir_ns+0x259/0x280
[ 188.176704][ T6550] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 188.176726][ T6550] ? do_raw_spin_unlock+0x122/0x240
[ 188.176754][ T6550] kobject_add_internal+0x6ab/0xcc0
[ 188.176786][ T6550] kobject_init_and_add+0x125/0x190
[ 188.176813][ T6550] ? __pfx_kobject_init_and_add+0x10/0x10
[ 188.176837][ T6550] ? __raw_spin_lock_init+0x45/0x100
[ 188.176861][ T6550] ? __init_swait_queue_head+0xa9/0x150
[ 188.176887][ T6550] gfs2_sys_fs_add+0x234/0x450
[ 188.176910][ T6550] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 188.176939][ T6550] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 188.176977][ T6550] gfs2_fill_super+0x1388/0x21b0
[ 188.177017][ T6550] ? __pfx_gfs2_fill_super+0x10/0x10
[ 188.177043][ T6550] ? sb_set_blocksize+0x155/0x240
[ 188.177070][ T6550] ? setup_bdev_super+0x4c1/0x5b0
[ 188.177093][ T6550] get_tree_bdev_flags+0x40e/0x4d0
[ 188.177112][ T6550] ? __pfx_gfs2_fill_super+0x10/0x10
[ 188.177135][ T6550] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 188.177152][ T6550] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 188.177186][ T6550] gfs2_get_tree+0x51/0x1e0
[ 188.177212][ T6550] vfs_get_tree+0x92/0x2a0
[ 188.177233][ T6550] do_new_mount+0x302/0xa10
[ 188.177251][ T6550] ? apparmor_capable+0x137/0x1a0
[ 188.177277][ T6550] ? __pfx_do_new_mount+0x10/0x10
[ 188.177297][ T6550] ? ns_capable+0x8a/0xf0
[ 188.177319][ T6550] ? kmem_cache_free+0x197/0x620
[ 188.177349][ T6550] __se_sys_mount+0x313/0x410
[ 188.177376][ T6550] ? __pfx___se_sys_mount+0x10/0x10
[ 188.177401][ T6550] ? do_syscall_64+0xbe/0xf80
[ 188.177420][ T6550] ? __x64_sys_mount+0x20/0xc0
[ 188.177443][ T6550] do_syscall_64+0xfa/0xf80
[ 188.177464][ T6550] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 188.177482][ T6550] ? clear_bhb_loop+0x60/0xb0
[ 188.177505][ T6550] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 188.177522][ T6550] RIP: 0033:0x7f555fd90eea
[ 188.177539][ T6550] 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
[ 188.177555][ T6550] RSP: 002b:00007ffcb481be18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 188.177586][ T6550] RAX: ffffffffffffffda RBX: 00007ffcb481bea0 RCX: 00007f555fd90eea
[ 188.177600][ T6550] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffcb481be60
[ 188.177612][ T6550] RBP: 00002000000124c0 R08: 00007ffcb481bea0 R09: 0000000000000000
[ 188.177622][ T6550] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 188.177634][ T6550] R13: 00007ffcb481be60 R14: 00000000000125c7 R15: 0000200000000180
[ 188.177666][ T6550]
[ 188.177691][ T6550] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 188.496970][ T6550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 188.810967][ T6553] loop0: detected capacity change from 0 to 32768
[ 188.828699][ T6553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 188.836387][ T6553] CPU: 1 UID: 0 PID: 6553 Comm: syz.0.155 Not tainted syzkaller #0 PREEMPT(full)
[ 188.836411][ T6553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 188.836422][ T6553] Call Trace:
[ 188.836430][ T6553]
[ 188.836437][ T6553] dump_stack_lvl+0x189/0x250
[ 188.836465][ T6553] ? __pfx_dump_stack_lvl+0x10/0x10
[ 188.836484][ T6553] ? __pfx__printk+0x10/0x10
[ 188.836510][ T6553] ? kernfs_path_from_node+0x250/0x290
[ 188.836528][ T6553] ? kernfs_path_from_node+0x2f/0x290
[ 188.836549][ T6553] sysfs_create_dir_ns+0x259/0x280
[ 188.836571][ T6553] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 188.836593][ T6553] ? do_raw_spin_unlock+0x122/0x240
[ 188.836619][ T6553] kobject_add_internal+0x6ab/0xcc0
[ 188.836650][ T6553] kobject_init_and_add+0x125/0x190
[ 188.836676][ T6553] ? __pfx_kobject_init_and_add+0x10/0x10
[ 188.836699][ T6553] ? __raw_spin_lock_init+0x45/0x100
[ 188.836723][ T6553] ? __init_swait_queue_head+0xa9/0x150
[ 188.836757][ T6553] gfs2_sys_fs_add+0x234/0x450
[ 188.836779][ T6553] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 188.836805][ T6553] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 188.836841][ T6553] gfs2_fill_super+0x1388/0x21b0
[ 188.836879][ T6553] ? __pfx_gfs2_fill_super+0x10/0x10
[ 188.836907][ T6553] ? sb_set_blocksize+0x155/0x240
[ 188.836935][ T6553] ? setup_bdev_super+0x4c1/0x5b0
[ 188.836956][ T6553] get_tree_bdev_flags+0x40e/0x4d0
[ 188.836973][ T6553] ? __pfx_gfs2_fill_super+0x10/0x10
[ 188.836996][ T6553] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 188.837012][ T6553] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 188.837046][ T6553] gfs2_get_tree+0x51/0x1e0
[ 188.837072][ T6553] vfs_get_tree+0x92/0x2a0
[ 188.837093][ T6553] do_new_mount+0x302/0xa10
[ 188.837112][ T6553] ? apparmor_capable+0x137/0x1a0
[ 188.837137][ T6553] ? __pfx_do_new_mount+0x10/0x10
[ 188.837158][ T6553] ? ns_capable+0x8a/0xf0
[ 188.837180][ T6553] ? kmem_cache_free+0x197/0x620
[ 188.837209][ T6553] __se_sys_mount+0x313/0x410
[ 188.837237][ T6553] ? __pfx___se_sys_mount+0x10/0x10
[ 188.837262][ T6553] ? do_syscall_64+0xbe/0xf80
[ 188.837280][ T6553] ? __x64_sys_mount+0x20/0xc0
[ 188.837304][ T6553] do_syscall_64+0xfa/0xf80
[ 188.837324][ T6553] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 188.837342][ T6553] ? clear_bhb_loop+0x60/0xb0
[ 188.837363][ T6553] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 188.837379][ T6553] RIP: 0033:0x7f0cfdb90eea
[ 188.837396][ T6553] 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
[ 188.837412][ T6553] RSP: 002b:00007ffc5c048498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 188.837432][ T6553] RAX: ffffffffffffffda RBX: 00007ffc5c048520 RCX: 00007f0cfdb90eea
[ 188.837445][ T6553] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffc5c0484e0
[ 188.837459][ T6553] RBP: 00002000000124c0 R08: 00007ffc5c048520 R09: 0000000000000000
[ 188.837471][ T6553] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 188.837483][ T6553] R13: 00007ffc5c0484e0 R14: 00000000000125c7 R15: 0000200000000180
[ 188.837515][ T6553]
[ 188.837538][ T6553] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.158881][ T6553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 189.480484][ T6556] loop1: detected capacity change from 0 to 32768
[ 189.501415][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 189.509212][ T6556] CPU: 0 UID: 0 PID: 6556 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full)
[ 189.509235][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 189.509247][ T6556] Call Trace:
[ 189.509255][ T6556]
[ 189.509263][ T6556] dump_stack_lvl+0x189/0x250
[ 189.509291][ T6556] ? __pfx_dump_stack_lvl+0x10/0x10
[ 189.509311][ T6556] ? __pfx__printk+0x10/0x10
[ 189.509340][ T6556] ? kernfs_path_from_node+0x250/0x290
[ 189.509358][ T6556] ? kernfs_path_from_node+0x2f/0x290
[ 189.509380][ T6556] sysfs_create_dir_ns+0x259/0x280
[ 189.509402][ T6556] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 189.509421][ T6556] ? do_raw_spin_unlock+0x122/0x240
[ 189.509447][ T6556] kobject_add_internal+0x6ab/0xcc0
[ 189.509478][ T6556] kobject_init_and_add+0x125/0x190
[ 189.509506][ T6556] ? __pfx_kobject_init_and_add+0x10/0x10
[ 189.509530][ T6556] ? __raw_spin_lock_init+0x45/0x100
[ 189.509555][ T6556] ? __init_swait_queue_head+0xa9/0x150
[ 189.509581][ T6556] gfs2_sys_fs_add+0x234/0x450
[ 189.509604][ T6556] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 189.509631][ T6556] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 189.509676][ T6556] gfs2_fill_super+0x1388/0x21b0
[ 189.509713][ T6556] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.509741][ T6556] ? sb_set_blocksize+0x155/0x240
[ 189.509767][ T6556] ? setup_bdev_super+0x4c1/0x5b0
[ 189.509789][ T6556] get_tree_bdev_flags+0x40e/0x4d0
[ 189.509811][ T6556] ? __pfx_gfs2_fill_super+0x10/0x10
[ 189.509834][ T6556] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 189.509851][ T6556] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 189.509883][ T6556] gfs2_get_tree+0x51/0x1e0
[ 189.509907][ T6556] vfs_get_tree+0x92/0x2a0
[ 189.509926][ T6556] do_new_mount+0x302/0xa10
[ 189.509944][ T6556] ? apparmor_capable+0x137/0x1a0
[ 189.509968][ T6556] ? __pfx_do_new_mount+0x10/0x10
[ 189.509988][ T6556] ? ns_capable+0x8a/0xf0
[ 189.510009][ T6556] ? kmem_cache_free+0x197/0x620
[ 189.510037][ T6556] __se_sys_mount+0x313/0x410
[ 189.510064][ T6556] ? __pfx___se_sys_mount+0x10/0x10
[ 189.510088][ T6556] ? do_syscall_64+0xbe/0xf80
[ 189.510107][ T6556] ? __x64_sys_mount+0x20/0xc0
[ 189.510130][ T6556] do_syscall_64+0xfa/0xf80
[ 189.510149][ T6556] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.510166][ T6556] ? clear_bhb_loop+0x60/0xb0
[ 189.510188][ T6556] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 189.510206][ T6556] RIP: 0033:0x7f2cbef90eea
[ 189.510224][ T6556] 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
[ 189.510240][ T6556] RSP: 002b:00007fff3bdec3f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 189.510260][ T6556] RAX: ffffffffffffffda RBX: 00007fff3bdec480 RCX: 00007f2cbef90eea
[ 189.510274][ T6556] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff3bdec440
[ 189.510287][ T6556] RBP: 00002000000124c0 R08: 00007fff3bdec480 R09: 0000000000000000
[ 189.510300][ T6556] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 189.510311][ T6556] R13: 00007fff3bdec440 R14: 00000000000125c7 R15: 0000200000000180
[ 189.510342][ T6556]
2025/12/02 10:44:58 executed programs: 150
[ 189.510393][ T6556] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 189.832479][ T6556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 190.163521][ T6559] loop2: detected capacity change from 0 to 32768
[ 190.196790][ T6559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 190.211405][ T6559] CPU: 1 UID: 0 PID: 6559 Comm: syz.2.157 Not tainted syzkaller #0 PREEMPT(full)
[ 190.211427][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 190.211435][ T6559] Call Trace:
[ 190.211441][ T6559]
[ 190.211446][ T6559] dump_stack_lvl+0x189/0x250
[ 190.211465][ T6559] ? __pfx_dump_stack_lvl+0x10/0x10
[ 190.211477][ T6559] ? __pfx__printk+0x10/0x10
[ 190.211495][ T6559] ? kernfs_path_from_node+0x250/0x290
[ 190.211506][ T6559] ? kernfs_path_from_node+0x2f/0x290
[ 190.211519][ T6559] sysfs_create_dir_ns+0x259/0x280
[ 190.211531][ T6559] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 190.211542][ T6559] ? do_raw_spin_unlock+0x122/0x240
[ 190.211558][ T6559] kobject_add_internal+0x6ab/0xcc0
[ 190.211586][ T6559] kobject_init_and_add+0x125/0x190
[ 190.211602][ T6559] ? __pfx_kobject_init_and_add+0x10/0x10
[ 190.211619][ T6559] ? __raw_spin_lock_init+0x45/0x100
[ 190.211633][ T6559] ? __init_swait_queue_head+0xa9/0x150
[ 190.211648][ T6559] gfs2_sys_fs_add+0x234/0x450
[ 190.211677][ T6559] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 190.211692][ T6559] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 190.211713][ T6559] gfs2_fill_super+0x1388/0x21b0
[ 190.211735][ T6559] ? __pfx_gfs2_fill_super+0x10/0x10
[ 190.211751][ T6559] ? sb_set_blocksize+0x155/0x240
[ 190.211767][ T6559] ? setup_bdev_super+0x4c1/0x5b0
[ 190.211780][ T6559] get_tree_bdev_flags+0x40e/0x4d0
[ 190.211790][ T6559] ? __pfx_gfs2_fill_super+0x10/0x10
[ 190.211804][ T6559] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 190.211813][ T6559] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 190.211832][ T6559] gfs2_get_tree+0x51/0x1e0
[ 190.211847][ T6559] vfs_get_tree+0x92/0x2a0
[ 190.211861][ T6559] do_new_mount+0x302/0xa10
[ 190.211873][ T6559] ? apparmor_capable+0x137/0x1a0
[ 190.211887][ T6559] ? __pfx_do_new_mount+0x10/0x10
[ 190.211898][ T6559] ? ns_capable+0x8a/0xf0
[ 190.211911][ T6559] ? kmem_cache_free+0x197/0x620
[ 190.211927][ T6559] __se_sys_mount+0x313/0x410
[ 190.211942][ T6559] ? __pfx___se_sys_mount+0x10/0x10
[ 190.211956][ T6559] ? do_syscall_64+0xbe/0xf80
[ 190.211966][ T6559] ? __x64_sys_mount+0x20/0xc0
[ 190.211979][ T6559] do_syscall_64+0xfa/0xf80
[ 190.211990][ T6559] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.212000][ T6559] ? clear_bhb_loop+0x60/0xb0
[ 190.212012][ T6559] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 190.212022][ T6559] RIP: 0033:0x7f46b4190eea
[ 190.212033][ T6559] 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
[ 190.212041][ T6559] RSP: 002b:00007fff654abbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 190.212053][ T6559] RAX: ffffffffffffffda RBX: 00007fff654abc50 RCX: 00007f46b4190eea
[ 190.212061][ T6559] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff654abc10
[ 190.212068][ T6559] RBP: 00002000000124c0 R08: 00007fff654abc50 R09: 0000000000000000
[ 190.212075][ T6559] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 190.212081][ T6559] R13: 00007fff654abc10 R14: 00000000000125c7 R15: 0000200000000180
[ 190.212098][ T6559]
[ 190.212114][ T6559] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 190.534136][ T6559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 191.166142][ T6562] loop3: detected capacity change from 0 to 32768
[ 191.179966][ T6106] gfs2: fsid=syz:syz.0: file system withdrawn
[ 191.188169][ T6562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 191.195596][ T6562] CPU: 1 UID: 0 PID: 6562 Comm: syz.3.158 Not tainted syzkaller #0 PREEMPT(full)
[ 191.195621][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 191.195633][ T6562] Call Trace:
[ 191.195642][ T6562]
[ 191.195651][ T6562] dump_stack_lvl+0x189/0x250
[ 191.195680][ T6562] ? __pfx_dump_stack_lvl+0x10/0x10
[ 191.195701][ T6562] ? __pfx__printk+0x10/0x10
[ 191.195731][ T6562] ? kernfs_path_from_node+0x250/0x290
[ 191.195750][ T6562] ? kernfs_path_from_node+0x2f/0x290
[ 191.195776][ T6562] sysfs_create_dir_ns+0x259/0x280
[ 191.195795][ T6562] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 191.195814][ T6562] ? do_raw_spin_unlock+0x122/0x240
[ 191.195840][ T6562] kobject_add_internal+0x6ab/0xcc0
[ 191.195872][ T6562] kobject_init_and_add+0x125/0x190
[ 191.195901][ T6562] ? __pfx_kobject_init_and_add+0x10/0x10
[ 191.195924][ T6562] ? __raw_spin_lock_init+0x45/0x100
[ 191.195948][ T6562] ? __init_swait_queue_head+0xa9/0x150
[ 191.195974][ T6562] gfs2_sys_fs_add+0x234/0x450
[ 191.195997][ T6562] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 191.196025][ T6562] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 191.196062][ T6562] gfs2_fill_super+0x1388/0x21b0
[ 191.196102][ T6562] ? __pfx_gfs2_fill_super+0x10/0x10
[ 191.196130][ T6562] ? sb_set_blocksize+0x155/0x240
[ 191.196157][ T6562] ? setup_bdev_super+0x4c1/0x5b0
[ 191.196180][ T6562] get_tree_bdev_flags+0x40e/0x4d0
[ 191.196198][ T6562] ? __pfx_gfs2_fill_super+0x10/0x10
[ 191.196221][ T6562] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 191.196244][ T6562] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 191.196279][ T6562] gfs2_get_tree+0x51/0x1e0
[ 191.196305][ T6562] vfs_get_tree+0x92/0x2a0
[ 191.196326][ T6562] do_new_mount+0x302/0xa10
[ 191.196346][ T6562] ? apparmor_capable+0x137/0x1a0
[ 191.196371][ T6562] ? __pfx_do_new_mount+0x10/0x10
[ 191.196392][ T6562] ? ns_capable+0x8a/0xf0
[ 191.196415][ T6562] ? kmem_cache_free+0x197/0x620
[ 191.196444][ T6562] __se_sys_mount+0x313/0x410
[ 191.196471][ T6562] ? __pfx___se_sys_mount+0x10/0x10
[ 191.196496][ T6562] ? do_syscall_64+0xbe/0xf80
[ 191.196515][ T6562] ? __x64_sys_mount+0x20/0xc0
[ 191.196538][ T6562] do_syscall_64+0xfa/0xf80
[ 191.196560][ T6562] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.196577][ T6562] ? clear_bhb_loop+0x60/0xb0
[ 191.196599][ T6562] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.196618][ T6562] RIP: 0033:0x7f555fd90eea
[ 191.196636][ T6562] 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
[ 191.196653][ T6562] RSP: 002b:00007ffcb481be18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 191.196673][ T6562] RAX: ffffffffffffffda RBX: 00007ffcb481bea0 RCX: 00007f555fd90eea
[ 191.196687][ T6562] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffcb481be60
[ 191.196701][ T6562] RBP: 00002000000124c0 R08: 00007ffcb481bea0 R09: 0000000000000000
[ 191.196713][ T6562] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 191.196726][ T6562] R13: 00007ffcb481be60 R14: 00000000000125c7 R15: 0000200000000180
[ 191.196757][ T6562]
[ 191.498501][ T6562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 191.512465][ T6562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 192.037585][ T6566] loop0: detected capacity change from 0 to 32768
[ 192.097519][ T6565] loop4: detected capacity change from 0 to 32768
[ 192.113288][ T6566] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 192.126064][ T6566] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 192.141452][ T6566] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 192.150744][ T6565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 192.152056][ T6093] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 192.159330][ T6565] CPU: 1 UID: 0 PID: 6565 Comm: syz.4.153 Not tainted syzkaller #0 PREEMPT(full)
[ 192.159353][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 192.159364][ T6565] Call Trace:
[ 192.159372][ T6565]
[ 192.159380][ T6565] dump_stack_lvl+0x189/0x250
[ 192.159407][ T6565] ? __pfx_dump_stack_lvl+0x10/0x10
[ 192.159428][ T6565] ? __pfx__printk+0x10/0x10
[ 192.159456][ T6565] ? kernfs_path_from_node+0x250/0x290
[ 192.159475][ T6565] ? kernfs_path_from_node+0x2f/0x290
[ 192.159497][ T6565] sysfs_create_dir_ns+0x259/0x280
[ 192.159518][ T6565] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 192.159538][ T6565] ? do_raw_spin_unlock+0x122/0x240
[ 192.159565][ T6565] kobject_add_internal+0x6ab/0xcc0
[ 192.159595][ T6565] kobject_init_and_add+0x125/0x190
[ 192.159622][ T6565] ? __pfx_kobject_init_and_add+0x10/0x10
[ 192.159646][ T6565] ? __raw_spin_lock_init+0x45/0x100
[ 192.159669][ T6565] ? __init_swait_queue_head+0xa9/0x150
[ 192.159695][ T6565] gfs2_sys_fs_add+0x234/0x450
[ 192.159717][ T6565] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 192.159744][ T6565] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 192.159779][ T6565] gfs2_fill_super+0x1388/0x21b0
[ 192.159816][ T6565] ? __pfx_gfs2_fill_super+0x10/0x10
[ 192.159844][ T6565] ? sb_set_blocksize+0x155/0x240
[ 192.159876][ T6565] ? setup_bdev_super+0x4c1/0x5b0
[ 192.159898][ T6565] get_tree_bdev_flags+0x40e/0x4d0
[ 192.159916][ T6565] ? __pfx_gfs2_fill_super+0x10/0x10
[ 192.159939][ T6565] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 192.159955][ T6565] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 192.159988][ T6565] gfs2_get_tree+0x51/0x1e0
[ 192.160014][ T6565] vfs_get_tree+0x92/0x2a0
[ 192.160034][ T6565] do_new_mount+0x302/0xa10
[ 192.160054][ T6565] ? apparmor_capable+0x137/0x1a0
[ 192.160077][ T6565] ? __pfx_do_new_mount+0x10/0x10
[ 192.160098][ T6565] ? ns_capable+0x8a/0xf0
[ 192.160119][ T6565] ? kmem_cache_free+0x197/0x620
[ 192.160148][ T6565] __se_sys_mount+0x313/0x410
[ 192.160174][ T6565] ? __pfx___se_sys_mount+0x10/0x10
[ 192.160204][ T6565] ? do_syscall_64+0xbe/0xf80
[ 192.160222][ T6565] ? __x64_sys_mount+0x20/0xc0
[ 192.160245][ T6565] do_syscall_64+0xfa/0xf80
[ 192.160265][ T6565] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 192.160282][ T6565] ? clear_bhb_loop+0x60/0xb0
[ 192.160303][ T6565] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 192.160320][ T6565] RIP: 0033:0x7fc628590eea
[ 192.160337][ T6565] 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
[ 192.160353][ T6565] RSP: 002b:00007fff78c4af08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 192.160372][ T6565] RAX: ffffffffffffffda RBX: 00007fff78c4af90 RCX: 00007fc628590eea
[ 192.160385][ T6565] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff78c4af50
[ 192.160398][ T6565] RBP: 00002000000124c0 R08: 00007fff78c4af90 R09: 0000000000000000
[ 192.160411][ T6565] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 192.160422][ T6565] R13: 00007fff78c4af50 R14: 00000000000125c7 R15: 0000200000000180
[ 192.160451][ T6565]
[ 192.160475][ T6565] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 192.175114][ T6093] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 192.185057][ T6565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 192.533512][ T6093] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 358ms
[ 192.775361][ T6571] loop1: detected capacity change from 0 to 32768
[ 192.783637][ T6093] gfs2: fsid=syz:syz.0: jid=0: Done
[ 192.789107][ T6566] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 192.799959][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 192.807474][ T6571] CPU: 1 UID: 0 PID: 6571 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full)
[ 192.807496][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 192.807508][ T6571] Call Trace:
[ 192.807516][ T6571]
[ 192.807521][ T6571] dump_stack_lvl+0x189/0x250
[ 192.807539][ T6571] ? __pfx_dump_stack_lvl+0x10/0x10
[ 192.807551][ T6571] ? __pfx__printk+0x10/0x10
[ 192.807567][ T6571] ? kernfs_path_from_node+0x250/0x290
[ 192.807578][ T6571] ? kernfs_path_from_node+0x2f/0x290
[ 192.807591][ T6571] sysfs_create_dir_ns+0x259/0x280
[ 192.807604][ T6571] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 192.807615][ T6571] ? do_raw_spin_unlock+0x122/0x240
[ 192.807631][ T6571] kobject_add_internal+0x6ab/0xcc0
[ 192.807650][ T6571] kobject_init_and_add+0x125/0x190
[ 192.807666][ T6571] ? __pfx_kobject_init_and_add+0x10/0x10
[ 192.807679][ T6571] ? __raw_spin_lock_init+0x45/0x100
[ 192.807693][ T6571] ? __init_swait_queue_head+0xa9/0x150
[ 192.807708][ T6571] gfs2_sys_fs_add+0x234/0x450
[ 192.807721][ T6571] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 192.807737][ T6571] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 192.807758][ T6571] gfs2_fill_super+0x1388/0x21b0
[ 192.807780][ T6571] ? __pfx_gfs2_fill_super+0x10/0x10
[ 192.807796][ T6571] ? sb_set_blocksize+0x155/0x240
[ 192.807812][ T6571] ? setup_bdev_super+0x4c1/0x5b0
[ 192.807824][ T6571] get_tree_bdev_flags+0x40e/0x4d0
[ 192.807835][ T6571] ? __pfx_gfs2_fill_super+0x10/0x10
[ 192.807848][ T6571] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 192.807857][ T6571] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 192.807876][ T6571] gfs2_get_tree+0x51/0x1e0
[ 192.807892][ T6571] vfs_get_tree+0x92/0x2a0
[ 192.807903][ T6571] do_new_mount+0x302/0xa10
[ 192.807915][ T6571] ? apparmor_capable+0x137/0x1a0
[ 192.807929][ T6571] ? __pfx_do_new_mount+0x10/0x10
[ 192.807940][ T6571] ? ns_capable+0x8a/0xf0
[ 192.807953][ T6571] ? kmem_cache_free+0x197/0x620
[ 192.807968][ T6571] __se_sys_mount+0x313/0x410
[ 192.807984][ T6571] ? __pfx___se_sys_mount+0x10/0x10
[ 192.807998][ T6571] ? do_syscall_64+0xbe/0xf80
[ 192.808009][ T6571] ? __x64_sys_mount+0x20/0xc0
[ 192.808021][ T6571] do_syscall_64+0xfa/0xf80
[ 192.808033][ T6571] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 192.808043][ T6571] ? clear_bhb_loop+0x60/0xb0
[ 192.808055][ T6571] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 192.808065][ T6571] RIP: 0033:0x7f2cbef90eea
[ 192.808076][ T6571] 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
[ 192.808085][ T6571] RSP: 002b:00007fff3bdec3f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 192.808097][ T6571] RAX: ffffffffffffffda RBX: 00007fff3bdec480 RCX: 00007f2cbef90eea
[ 192.808105][ T6571] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff3bdec440
[ 192.808112][ T6571] RBP: 00002000000124c0 R08: 00007fff3bdec480 R09: 0000000000000000
[ 192.808125][ T6571] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 192.808132][ T6571] R13: 00007fff3bdec440 R14: 00000000000125c7 R15: 0000200000000180
[ 192.808148][ T6571]
[ 192.808164][ T6571] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 192.947665][ T6566] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 192.952866][ T6571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 193.147513][ T6575] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 193.183721][ T6575] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 193.193081][ T6575] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:6575 [gfs2_quotad/syz] gfs2_quota_sync+0x359/0x460
[ 193.203459][ T6575] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 193.228287][ T6575] CPU: 0 UID: 0 PID: 6575 Comm: gfs2_quotad/syz Not tainted syzkaller #0 PREEMPT(full)
[ 193.228321][ T6575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 193.228335][ T6575] Call Trace:
[ 193.228344][ T6575]
[ 193.228353][ T6575] dump_stack_lvl+0x189/0x250
[ 193.228382][ T6575] ? __pfx_dump_stack_lvl+0x10/0x10
[ 193.228404][ T6575] ? queue_delayed_work_on+0x11a/0x280
[ 193.228425][ T6575] ? lockdep_hardirqs_on+0x98/0x140
[ 193.228446][ T6575] ? preempt_schedule+0xae/0xc0
[ 193.228473][ T6575] gfs2_withdraw+0xc3/0x1b0
[ 193.228499][ T6575] inode_go_instantiate+0xdd0/0x1210
[ 193.228532][ T6575] ? __pfx_inode_go_instantiate+0x10/0x10
[ 193.228559][ T6575] ? gfs2_glock_nq+0xedd/0x15f0
[ 193.228589][ T6575] gfs2_instantiate+0x168/0x220
[ 193.228616][ T6575] gfs2_glock_wait+0x1d4/0x2a0
[ 193.228644][ T6575] do_sync+0x46f/0xc60
[ 193.228663][ T6575] ? _raw_spin_unlock+0x28/0x50
[ 193.228680][ T6575] ? gfs2_quota_sync+0x359/0x460
[ 193.228709][ T6575] ? __pfx_do_sync+0x10/0x10
[ 193.228738][ T6575] ? gfs2_quota_sync+0x359/0x460
[ 193.228761][ T6575] ? do_raw_spin_unlock+0x122/0x240
[ 193.228789][ T6575] gfs2_quota_sync+0x359/0x460
[ 193.228820][ T6575] gfs2_quotad+0x3d5/0x930
[ 193.228856][ T6575] ? __pfx_gfs2_quotad+0x10/0x10
[ 193.228882][ T6575] ? __kthread_parkme+0x7b/0x200
[ 193.228902][ T6575] ? __kthread_parkme+0x1a1/0x200
[ 193.228929][ T6575] kthread+0x711/0x8a0
[ 193.228954][ T6575] ? __pfx_gfs2_quotad+0x10/0x10
[ 193.228974][ T6575] ? __pfx_kthread+0x10/0x10
[ 193.228998][ T6575] ? _raw_spin_unlock_irq+0x23/0x50
[ 193.229016][ T6575] ? lockdep_hardirqs_on+0x98/0x140
[ 193.229035][ T6575] ? __pfx_kthread+0x10/0x10
[ 193.229058][ T6575] ret_from_fork+0x599/0xb30
[ 193.229079][ T6575] ? __pfx_ret_from_fork+0x10/0x10
[ 193.229108][ T6575] ? __switch_to_asm+0x39/0x70
[ 193.229128][ T6575] ? __switch_to_asm+0x33/0x70
[ 193.229148][ T6575] ? __pfx_kthread+0x10/0x10
[ 193.229170][ T6575] ret_from_fork_asm+0x1a/0x30
[ 193.229210][ T6575]
[ 193.321423][ T6576] loop2: detected capacity change from 0 to 32768
[ 193.327094][ T6575] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 193.480885][ T6576] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 193.488423][ T6576] CPU: 1 UID: 0 PID: 6576 Comm: syz.2.161 Not tainted syzkaller #0 PREEMPT(full)
[ 193.488449][ T6576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 193.488461][ T6576] Call Trace:
[ 193.488469][ T6576]
[ 193.488477][ T6576] dump_stack_lvl+0x189/0x250
[ 193.488508][ T6576] ? __pfx_dump_stack_lvl+0x10/0x10
[ 193.488529][ T6576] ? __pfx__printk+0x10/0x10
[ 193.488559][ T6576] ? kernfs_path_from_node+0x250/0x290
[ 193.488578][ T6576] ? kernfs_path_from_node+0x2f/0x290
[ 193.488600][ T6576] sysfs_create_dir_ns+0x259/0x280
[ 193.488621][ T6576] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 193.488642][ T6576] ? do_raw_spin_unlock+0x122/0x240
[ 193.488670][ T6576] kobject_add_internal+0x6ab/0xcc0
[ 193.488701][ T6576] kobject_init_and_add+0x125/0x190
[ 193.488730][ T6576] ? __pfx_kobject_init_and_add+0x10/0x10
[ 193.488754][ T6576] ? __raw_spin_lock_init+0x45/0x100
[ 193.488779][ T6576] ? __init_swait_queue_head+0xa9/0x150
[ 193.488805][ T6576] gfs2_sys_fs_add+0x234/0x450
[ 193.488827][ T6576] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 193.488856][ T6576] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 193.488893][ T6576] gfs2_fill_super+0x1388/0x21b0
[ 193.488933][ T6576] ? __pfx_gfs2_fill_super+0x10/0x10
[ 193.488962][ T6576] ? sb_set_blocksize+0x155/0x240
[ 193.488988][ T6576] ? setup_bdev_super+0x4c1/0x5b0
[ 193.489010][ T6576] get_tree_bdev_flags+0x40e/0x4d0
[ 193.489027][ T6576] ? __pfx_gfs2_fill_super+0x10/0x10
[ 193.489051][ T6576] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 193.489066][ T6576] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 193.489101][ T6576] gfs2_get_tree+0x51/0x1e0
[ 193.489128][ T6576] vfs_get_tree+0x92/0x2a0
[ 193.489149][ T6576] do_new_mount+0x302/0xa10
[ 193.489169][ T6576] ? apparmor_capable+0x137/0x1a0
[ 193.489194][ T6576] ? __pfx_do_new_mount+0x10/0x10
[ 193.489215][ T6576] ? ns_capable+0x8a/0xf0
[ 193.489236][ T6576] ? kmem_cache_free+0x197/0x620
[ 193.489264][ T6576] __se_sys_mount+0x313/0x410
[ 193.489292][ T6576] ? __pfx___se_sys_mount+0x10/0x10
[ 193.489324][ T6576] ? do_syscall_64+0xbe/0xf80
[ 193.489343][ T6576] ? __x64_sys_mount+0x20/0xc0
[ 193.489367][ T6576] do_syscall_64+0xfa/0xf80
[ 193.489388][ T6576] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 193.489406][ T6576] ? clear_bhb_loop+0x60/0xb0
[ 193.489428][ T6576] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 193.489445][ T6576] RIP: 0033:0x7f46b4190eea
[ 193.489463][ T6576] 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
[ 193.489479][ T6576] RSP: 002b:00007fff654abbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 193.489501][ T6576] RAX: ffffffffffffffda RBX: 00007fff654abc50 RCX: 00007f46b4190eea
[ 193.489515][ T6576] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff654abc10
[ 193.489529][ T6576] RBP: 00002000000124c0 R08: 00007fff654abc50 R09: 0000000000000000
[ 193.489542][ T6576] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 193.489553][ T6576] R13: 00007fff654abc10 R14: 00000000000125c7 R15: 0000200000000180
[ 193.489581][ T6576]
[ 193.489603][ T6576] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 193.815846][ T6576] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 194.192242][ T6579] loop3: detected capacity change from 0 to 32768
[ 194.203033][ T6579] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 194.210520][ T6579] CPU: 0 UID: 0 PID: 6579 Comm: syz.3.162 Not tainted syzkaller #0 PREEMPT(full)
[ 194.210544][ T6579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 194.210556][ T6579] Call Trace:
[ 194.210564][ T6579]
[ 194.210572][ T6579] dump_stack_lvl+0x189/0x250
[ 194.210599][ T6579] ? __pfx_dump_stack_lvl+0x10/0x10
[ 194.210618][ T6579] ? __pfx__printk+0x10/0x10
[ 194.210644][ T6579] ? kernfs_path_from_node+0x250/0x290
[ 194.210662][ T6579] ? kernfs_path_from_node+0x2f/0x290
[ 194.210685][ T6579] sysfs_create_dir_ns+0x259/0x280
[ 194.210708][ T6579] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 194.210726][ T6579] ? do_raw_spin_unlock+0x122/0x240
[ 194.210753][ T6579] kobject_add_internal+0x6ab/0xcc0
[ 194.210781][ T6579] kobject_init_and_add+0x125/0x190
[ 194.210806][ T6579] ? __pfx_kobject_init_and_add+0x10/0x10
[ 194.210827][ T6579] ? __raw_spin_lock_init+0x45/0x100
[ 194.210850][ T6579] ? __init_swait_queue_head+0xa9/0x150
[ 194.210874][ T6579] gfs2_sys_fs_add+0x234/0x450
[ 194.210895][ T6579] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 194.210918][ T6579] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 194.210952][ T6579] gfs2_fill_super+0x1388/0x21b0
[ 194.210997][ T6579] ? __pfx_gfs2_fill_super+0x10/0x10
[ 194.211024][ T6579] ? sb_set_blocksize+0x155/0x240
[ 194.211050][ T6579] ? setup_bdev_super+0x4c1/0x5b0
[ 194.211071][ T6579] get_tree_bdev_flags+0x40e/0x4d0
[ 194.211088][ T6579] ? __pfx_gfs2_fill_super+0x10/0x10
[ 194.211110][ T6579] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 194.211126][ T6579] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 194.211159][ T6579] gfs2_get_tree+0x51/0x1e0
[ 194.211184][ T6579] vfs_get_tree+0x92/0x2a0
[ 194.211202][ T6579] do_new_mount+0x302/0xa10
[ 194.211219][ T6579] ? apparmor_capable+0x137/0x1a0
[ 194.211243][ T6579] ? __pfx_do_new_mount+0x10/0x10
[ 194.211262][ T6579] ? ns_capable+0x8a/0xf0
[ 194.211282][ T6579] ? kmem_cache_free+0x197/0x620
[ 194.211313][ T6579] __se_sys_mount+0x313/0x410
[ 194.211341][ T6579] ? __pfx___se_sys_mount+0x10/0x10
[ 194.211365][ T6579] ? do_syscall_64+0xbe/0xf80
[ 194.211383][ T6579] ? __x64_sys_mount+0x20/0xc0
[ 194.211405][ T6579] do_syscall_64+0xfa/0xf80
[ 194.211426][ T6579] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 194.211443][ T6579] ? clear_bhb_loop+0x60/0xb0
[ 194.211464][ T6579] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 194.211480][ T6579] RIP: 0033:0x7f555fd90eea
[ 194.211497][ T6579] 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
[ 194.211513][ T6579] RSP: 002b:00007ffcb481be18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 194.211532][ T6579] RAX: ffffffffffffffda RBX: 00007ffcb481bea0 RCX: 00007f555fd90eea
[ 194.211546][ T6579] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffcb481be60
[ 194.211559][ T6579] RBP: 00002000000124c0 R08: 00007ffcb481bea0 R09: 0000000000000000
[ 194.211572][ T6579] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 194.211584][ T6579] R13: 00007ffcb481be60 R14: 00000000000125c7 R15: 0000200000000180
[ 194.211614][ T6579]
[ 194.211641][ T6579] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 194.292548][ T1299] ieee802154 phy0 wpan0: encryption failed: -22
[ 194.295540][ T6579] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 194.302158][ T1299] ieee802154 phy1 wpan1: encryption failed: -22
[ 194.921974][ T6582] loop4: detected capacity change from 0 to 32768
[ 194.949712][ T6582] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 194.957968][ T6582] CPU: 0 UID: 0 PID: 6582 Comm: syz.4.163 Not tainted syzkaller #0 PREEMPT(full)
[ 194.957994][ T6582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 194.958006][ T6582] Call Trace:
[ 194.958014][ T6582]
[ 194.958022][ T6582] dump_stack_lvl+0x189/0x250
[ 194.958052][ T6582] ? __pfx_dump_stack_lvl+0x10/0x10
[ 194.958072][ T6582] ? __pfx__printk+0x10/0x10
[ 194.958101][ T6582] ? kernfs_path_from_node+0x250/0x290
[ 194.958119][ T6582] ? kernfs_path_from_node+0x2f/0x290
[ 194.958141][ T6582] sysfs_create_dir_ns+0x259/0x280
[ 194.958163][ T6582] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 194.958183][ T6582] ? do_raw_spin_unlock+0x122/0x240
[ 194.958210][ T6582] kobject_add_internal+0x6ab/0xcc0
[ 194.958241][ T6582] kobject_init_and_add+0x125/0x190
[ 194.958269][ T6582] ? __pfx_kobject_init_and_add+0x10/0x10
[ 194.958292][ T6582] ? __raw_spin_lock_init+0x45/0x100
[ 194.958317][ T6582] ? __init_swait_queue_head+0xa9/0x150
[ 194.958343][ T6582] gfs2_sys_fs_add+0x234/0x450
[ 194.958365][ T6582] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 194.958393][ T6582] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 194.958429][ T6582] gfs2_fill_super+0x1388/0x21b0
[ 194.958468][ T6582] ? __pfx_gfs2_fill_super+0x10/0x10
[ 194.958496][ T6582] ? sb_set_blocksize+0x155/0x240
[ 194.958523][ T6582] ? setup_bdev_super+0x4c1/0x5b0
[ 194.958545][ T6582] get_tree_bdev_flags+0x40e/0x4d0
[ 194.958563][ T6582] ? __pfx_gfs2_fill_super+0x10/0x10
[ 194.958586][ T6582] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 194.958602][ T6582] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 194.958637][ T6582] gfs2_get_tree+0x51/0x1e0
[ 194.958663][ T6582] vfs_get_tree+0x92/0x2a0
[ 194.958684][ T6582] do_new_mount+0x302/0xa10
[ 194.958702][ T6582] ? apparmor_capable+0x137/0x1a0
[ 194.958727][ T6582] ? __pfx_do_new_mount+0x10/0x10
[ 194.958748][ T6582] ? ns_capable+0x8a/0xf0
[ 194.958770][ T6582] ? kmem_cache_free+0x197/0x620
[ 194.958799][ T6582] __se_sys_mount+0x313/0x410
[ 194.958827][ T6582] ? __pfx___se_sys_mount+0x10/0x10
[ 194.958852][ T6582] ? do_syscall_64+0xbe/0xf80
[ 194.958870][ T6582] ? __x64_sys_mount+0x20/0xc0
[ 194.958899][ T6582] do_syscall_64+0xfa/0xf80
[ 194.958919][ T6582] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 194.958937][ T6582] ? clear_bhb_loop+0x60/0xb0
[ 194.958959][ T6582] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 194.958976][ T6582] RIP: 0033:0x7fc628590eea
[ 194.958993][ T6582] 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
[ 194.959009][ T6582] RSP: 002b:00007fff78c4af08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 194.959029][ T6582] RAX: ffffffffffffffda RBX: 00007fff78c4af90 RCX: 00007fc628590eea
[ 194.959043][ T6582] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff78c4af50
[ 194.959056][ T6582] RBP: 00002000000124c0 R08: 00007fff78c4af90 R09: 0000000000000000
[ 194.959069][ T6582] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 194.959081][ T6582] R13: 00007fff78c4af50 R14: 00000000000125c7 R15: 0000200000000180
[ 194.959112][ T6582]
[ 194.959136][ T6582] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 195.276842][ T6582] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/02 10:45:04 executed programs: 158
[ 195.789704][ T6585] loop1: detected capacity change from 0 to 32768
[ 195.798706][ T6585] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 195.806173][ T6585] CPU: 1 UID: 0 PID: 6585 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full)
[ 195.806196][ T6585] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 195.806207][ T6585] Call Trace:
[ 195.806215][ T6585]
[ 195.806222][ T6585] dump_stack_lvl+0x189/0x250
[ 195.806251][ T6585] ? __pfx_dump_stack_lvl+0x10/0x10
[ 195.806271][ T6585] ? __pfx__printk+0x10/0x10
[ 195.806299][ T6585] ? kernfs_path_from_node+0x250/0x290
[ 195.806317][ T6585] ? kernfs_path_from_node+0x2f/0x290
[ 195.806339][ T6585] sysfs_create_dir_ns+0x259/0x280
[ 195.806361][ T6585] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 195.806380][ T6585] ? do_raw_spin_unlock+0x122/0x240
[ 195.806406][ T6585] kobject_add_internal+0x6ab/0xcc0
[ 195.806436][ T6585] kobject_init_and_add+0x125/0x190
[ 195.806462][ T6585] ? __pfx_kobject_init_and_add+0x10/0x10
[ 195.806483][ T6585] ? __raw_spin_lock_init+0x45/0x100
[ 195.806504][ T6585] ? __init_swait_queue_head+0xa9/0x150
[ 195.806529][ T6585] gfs2_sys_fs_add+0x234/0x450
[ 195.806552][ T6585] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 195.806580][ T6585] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 195.806615][ T6585] gfs2_fill_super+0x1388/0x21b0
[ 195.806650][ T6585] ? __pfx_gfs2_fill_super+0x10/0x10
[ 195.806675][ T6585] ? sb_set_blocksize+0x155/0x240
[ 195.806701][ T6585] ? setup_bdev_super+0x4c1/0x5b0
[ 195.806721][ T6585] get_tree_bdev_flags+0x40e/0x4d0
[ 195.806739][ T6585] ? __pfx_gfs2_fill_super+0x10/0x10
[ 195.806762][ T6585] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 195.806778][ T6585] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 195.806811][ T6585] gfs2_get_tree+0x51/0x1e0
[ 195.806835][ T6585] vfs_get_tree+0x92/0x2a0
[ 195.806862][ T6585] do_new_mount+0x302/0xa10
[ 195.806880][ T6585] ? apparmor_capable+0x137/0x1a0
[ 195.806906][ T6585] ? __pfx_do_new_mount+0x10/0x10
[ 195.806926][ T6585] ? ns_capable+0x8a/0xf0
[ 195.806945][ T6585] ? kmem_cache_free+0x197/0x620
[ 195.806974][ T6585] __se_sys_mount+0x313/0x410
[ 195.807001][ T6585] ? __pfx___se_sys_mount+0x10/0x10
[ 195.807025][ T6585] ? do_syscall_64+0xbe/0xf80
[ 195.807043][ T6585] ? __x64_sys_mount+0x20/0xc0
[ 195.807066][ T6585] do_syscall_64+0xfa/0xf80
[ 195.807086][ T6585] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 195.807103][ T6585] ? clear_bhb_loop+0x60/0xb0
[ 195.807123][ T6585] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 195.807139][ T6585] RIP: 0033:0x7f2cbef90eea
[ 195.807156][ T6585] 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
[ 195.807172][ T6585] RSP: 002b:00007fff3bdec3f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 195.807192][ T6585] RAX: ffffffffffffffda RBX: 00007fff3bdec480 RCX: 00007f2cbef90eea
[ 195.807206][ T6585] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff3bdec440
[ 195.807220][ T6585] RBP: 00002000000124c0 R08: 00007fff3bdec480 R09: 0000000000000000
[ 195.807233][ T6585] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 195.807244][ T6585] R13: 00007fff3bdec440 R14: 00000000000125c7 R15: 0000200000000180
[ 195.807275][ T6585]
[ 195.807301][ T6585] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 196.129756][ T6585] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 196.397869][ T6588] loop2: detected capacity change from 0 to 32768
[ 196.414242][ T6588] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 196.421798][ T6588] CPU: 0 UID: 0 PID: 6588 Comm: syz.2.166 Not tainted syzkaller #0 PREEMPT(full)
[ 196.421823][ T6588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 196.421835][ T6588] Call Trace:
[ 196.421844][ T6588]
[ 196.421852][ T6588] dump_stack_lvl+0x189/0x250
[ 196.421881][ T6588] ? __pfx_dump_stack_lvl+0x10/0x10
[ 196.421902][ T6588] ? __pfx__printk+0x10/0x10
[ 196.421932][ T6588] ? kernfs_path_from_node+0x250/0x290
[ 196.421951][ T6588] ? kernfs_path_from_node+0x2f/0x290
[ 196.421980][ T6588] sysfs_create_dir_ns+0x259/0x280
[ 196.422002][ T6588] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 196.422024][ T6588] ? do_raw_spin_unlock+0x122/0x240
[ 196.422051][ T6588] kobject_add_internal+0x6ab/0xcc0
[ 196.422083][ T6588] kobject_init_and_add+0x125/0x190
[ 196.422112][ T6588] ? __pfx_kobject_init_and_add+0x10/0x10
[ 196.422135][ T6588] ? __raw_spin_lock_init+0x45/0x100
[ 196.422160][ T6588] ? __init_swait_queue_head+0xa9/0x150
[ 196.422188][ T6588] gfs2_sys_fs_add+0x234/0x450
[ 196.422211][ T6588] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 196.422240][ T6588] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 196.422278][ T6588] gfs2_fill_super+0x1388/0x21b0
[ 196.422318][ T6588] ? __pfx_gfs2_fill_super+0x10/0x10
[ 196.422346][ T6588] ? sb_set_blocksize+0x155/0x240
[ 196.422374][ T6588] ? setup_bdev_super+0x4c1/0x5b0
[ 196.422397][ T6588] get_tree_bdev_flags+0x40e/0x4d0
[ 196.422415][ T6588] ? __pfx_gfs2_fill_super+0x10/0x10
[ 196.422439][ T6588] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 196.422456][ T6588] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 196.422491][ T6588] gfs2_get_tree+0x51/0x1e0
[ 196.422518][ T6588] vfs_get_tree+0x92/0x2a0
[ 196.422539][ T6588] do_new_mount+0x302/0xa10
[ 196.422558][ T6588] ? apparmor_capable+0x137/0x1a0
[ 196.422603][ T6588] ? __pfx_do_new_mount+0x10/0x10
[ 196.422625][ T6588] ? ns_capable+0x8a/0xf0
[ 196.422647][ T6588] ? kmem_cache_free+0x197/0x620
[ 196.422677][ T6588] __se_sys_mount+0x313/0x410
[ 196.422705][ T6588] ? __pfx___se_sys_mount+0x10/0x10
[ 196.422729][ T6588] ? do_syscall_64+0xbe/0xf80
[ 196.422748][ T6588] ? __x64_sys_mount+0x20/0xc0
[ 196.422772][ T6588] do_syscall_64+0xfa/0xf80
[ 196.422793][ T6588] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 196.422811][ T6588] ? clear_bhb_loop+0x60/0xb0
[ 196.422833][ T6588] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 196.422850][ T6588] RIP: 0033:0x7f46b4190eea
[ 196.422868][ T6588] 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
[ 196.422885][ T6588] RSP: 002b:00007fff654abbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 196.422906][ T6588] RAX: ffffffffffffffda RBX: 00007fff654abc50 RCX: 00007f46b4190eea
[ 196.422920][ T6588] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff654abc10
[ 196.422933][ T6588] RBP: 00002000000124c0 R08: 00007fff654abc50 R09: 0000000000000000
[ 196.422947][ T6588] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 196.422959][ T6588] R13: 00007fff654abc10 R14: 00000000000125c7 R15: 0000200000000180
[ 196.422997][ T6588]
[ 196.423022][ T6588] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 196.740785][ T6588] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 197.213000][ T6591] loop3: detected capacity change from 0 to 32768
[ 197.225550][ T6591] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 197.233087][ T6591] CPU: 1 UID: 0 PID: 6591 Comm: syz.3.167 Not tainted syzkaller #0 PREEMPT(full)
[ 197.233110][ T6591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 197.233121][ T6591] Call Trace:
[ 197.233130][ T6591]
[ 197.233138][ T6591] dump_stack_lvl+0x189/0x250
[ 197.233165][ T6591] ? __pfx_dump_stack_lvl+0x10/0x10
[ 197.233183][ T6591] ? __pfx__printk+0x10/0x10
[ 197.233213][ T6591] ? kernfs_path_from_node+0x250/0x290
[ 197.233231][ T6591] ? kernfs_path_from_node+0x2f/0x290
[ 197.233253][ T6591] sysfs_create_dir_ns+0x259/0x280
[ 197.233273][ T6591] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 197.233293][ T6591] ? do_raw_spin_unlock+0x122/0x240
[ 197.233318][ T6591] kobject_add_internal+0x6ab/0xcc0
[ 197.233347][ T6591] kobject_init_and_add+0x125/0x190
[ 197.233372][ T6591] ? __pfx_kobject_init_and_add+0x10/0x10
[ 197.233393][ T6591] ? __raw_spin_lock_init+0x45/0x100
[ 197.233413][ T6591] ? __init_swait_queue_head+0xa9/0x150
[ 197.233438][ T6591] gfs2_sys_fs_add+0x234/0x450
[ 197.233459][ T6591] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 197.233484][ T6591] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 197.233517][ T6591] gfs2_fill_super+0x1388/0x21b0
[ 197.233556][ T6591] ? __pfx_gfs2_fill_super+0x10/0x10
[ 197.233581][ T6591] ? sb_set_blocksize+0x155/0x240
[ 197.233607][ T6591] ? setup_bdev_super+0x4c1/0x5b0
[ 197.233627][ T6591] get_tree_bdev_flags+0x40e/0x4d0
[ 197.233645][ T6591] ? __pfx_gfs2_fill_super+0x10/0x10
[ 197.233667][ T6591] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 197.233682][ T6591] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 197.233713][ T6591] gfs2_get_tree+0x51/0x1e0
[ 197.233736][ T6591] vfs_get_tree+0x92/0x2a0
[ 197.233751][ T6591] do_new_mount+0x302/0xa10
[ 197.233768][ T6591] ? apparmor_capable+0x137/0x1a0
[ 197.233793][ T6591] ? __pfx_do_new_mount+0x10/0x10
[ 197.233814][ T6591] ? ns_capable+0x8a/0xf0
[ 197.233834][ T6591] ? kmem_cache_free+0x197/0x620
[ 197.233861][ T6591] __se_sys_mount+0x313/0x410
[ 197.233888][ T6591] ? __pfx___se_sys_mount+0x10/0x10
[ 197.233914][ T6591] ? do_syscall_64+0xbe/0xf80
[ 197.233933][ T6591] ? __x64_sys_mount+0x20/0xc0
[ 197.233956][ T6591] do_syscall_64+0xfa/0xf80
[ 197.233985][ T6591] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 197.234003][ T6591] ? clear_bhb_loop+0x60/0xb0
[ 197.234024][ T6591] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 197.234040][ T6591] RIP: 0033:0x7f555fd90eea
[ 197.234057][ T6591] 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
[ 197.234072][ T6591] RSP: 002b:00007ffcb481be18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 197.234092][ T6591] RAX: ffffffffffffffda RBX: 00007ffcb481bea0 RCX: 00007f555fd90eea
[ 197.234105][ T6591] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffcb481be60
[ 197.234117][ T6591] RBP: 00002000000124c0 R08: 00007ffcb481bea0 R09: 0000000000000000
[ 197.234130][ T6591] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 197.234141][ T6591] R13: 00007ffcb481be60 R14: 00000000000125c7 R15: 0000200000000180
[ 197.234169][ T6591]
[ 197.234196][ T6591] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 197.555751][ T6591] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 197.937444][ T6594] loop4: detected capacity change from 0 to 32768
[ 197.957592][ T6594] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 197.965019][ T6594] CPU: 0 UID: 0 PID: 6594 Comm: syz.4.168 Not tainted syzkaller #0 PREEMPT(full)
[ 197.965046][ T6594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 197.965058][ T6594] Call Trace:
[ 197.965066][ T6594]
[ 197.965074][ T6594] dump_stack_lvl+0x189/0x250
[ 197.965103][ T6594] ? __pfx_dump_stack_lvl+0x10/0x10
[ 197.965128][ T6594] ? __pfx__printk+0x10/0x10
[ 197.965158][ T6594] ? kernfs_path_from_node+0x250/0x290
[ 197.965177][ T6594] ? kernfs_path_from_node+0x2f/0x290
[ 197.965200][ T6594] sysfs_create_dir_ns+0x259/0x280
[ 197.965223][ T6594] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 197.965244][ T6594] ? do_raw_spin_unlock+0x122/0x240
[ 197.965272][ T6594] kobject_add_internal+0x6ab/0xcc0
[ 197.965303][ T6594] kobject_init_and_add+0x125/0x190
[ 197.965339][ T6594] ? __pfx_kobject_init_and_add+0x10/0x10
[ 197.965363][ T6594] ? __raw_spin_lock_init+0x45/0x100
[ 197.965394][ T6594] ? __init_swait_queue_head+0xa9/0x150
[ 197.965435][ T6594] gfs2_sys_fs_add+0x234/0x450
[ 197.965458][ T6594] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 197.965493][ T6594] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 197.965535][ T6594] gfs2_fill_super+0x1388/0x21b0
[ 197.965575][ T6594] ? __pfx_gfs2_fill_super+0x10/0x10
[ 197.965602][ T6594] ? sb_set_blocksize+0x155/0x240
[ 197.965629][ T6594] ? setup_bdev_super+0x4c1/0x5b0
[ 197.965674][ T6594] get_tree_bdev_flags+0x40e/0x4d0
[ 197.965694][ T6594] ? __pfx_gfs2_fill_super+0x10/0x10
[ 197.965716][ T6594] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 197.965733][ T6594] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 197.965773][ T6594] gfs2_get_tree+0x51/0x1e0
[ 197.965797][ T6594] vfs_get_tree+0x92/0x2a0
[ 197.965828][ T6594] do_new_mount+0x302/0xa10
[ 197.965847][ T6594] ? apparmor_capable+0x137/0x1a0
[ 197.965873][ T6594] ? __pfx_do_new_mount+0x10/0x10
[ 197.965894][ T6594] ? ns_capable+0x8a/0xf0
[ 197.965994][ T6594] ? kmem_cache_free+0x197/0x620
[ 197.966021][ T6594] __se_sys_mount+0x313/0x410
[ 197.966048][ T6594] ? __pfx___se_sys_mount+0x10/0x10
[ 197.966083][ T6594] ? do_syscall_64+0xbe/0xf80
[ 197.966100][ T6594] ? __x64_sys_mount+0x20/0xc0
[ 197.966122][ T6594] do_syscall_64+0xfa/0xf80
[ 197.966141][ T6594] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 197.966170][ T6594] ? clear_bhb_loop+0x60/0xb0
[ 197.966191][ T6594] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 197.966208][ T6594] RIP: 0033:0x7fc628590eea
[ 197.966225][ T6594] 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
[ 197.966239][ T6594] RSP: 002b:00007fff78c4af08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 197.966258][ T6594] RAX: ffffffffffffffda RBX: 00007fff78c4af90 RCX: 00007fc628590eea
[ 197.966272][ T6594] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff78c4af50
[ 197.966285][ T6594] RBP: 00002000000124c0 R08: 00007fff78c4af90 R09: 0000000000000000
[ 197.966298][ T6594] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 197.966310][ T6594] R13: 00007fff78c4af50 R14: 00000000000125c7 R15: 0000200000000180
[ 197.966343][ T6594]
[ 198.266457][ T6594] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 198.280905][ T6594] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 198.519033][ T6096] gfs2: fsid=syz:syz.0: file system withdrawn
[ 198.980479][ T6597] loop1: detected capacity change from 0 to 32768
[ 199.050025][ T6597] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 199.058336][ T6597] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 199.068757][ T6598] loop0: detected capacity change from 0 to 32768
[ 199.095296][ T6597] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 199.104473][ T6096] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 199.119148][ T6598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 199.123503][ T6096] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 199.127217][ T6598] CPU: 1 UID: 0 PID: 6598 Comm: syz.0.164 Not tainted syzkaller #0 PREEMPT(full)
[ 199.127241][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 199.127253][ T6598] Call Trace:
[ 199.127261][ T6598]
[ 199.127269][ T6598] dump_stack_lvl+0x189/0x250
[ 199.127298][ T6598] ? __pfx_dump_stack_lvl+0x10/0x10
[ 199.127319][ T6598] ? __pfx__printk+0x10/0x10
[ 199.127348][ T6598] ? kernfs_path_from_node+0x250/0x290
[ 199.127366][ T6598] ? kernfs_path_from_node+0x2f/0x290
[ 199.127388][ T6598] sysfs_create_dir_ns+0x259/0x280
[ 199.127410][ T6598] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 199.127430][ T6598] ? do_raw_spin_unlock+0x122/0x240
[ 199.127457][ T6598] kobject_add_internal+0x6ab/0xcc0
[ 199.127487][ T6598] kobject_init_and_add+0x125/0x190
[ 199.127514][ T6598] ? __pfx_kobject_init_and_add+0x10/0x10
[ 199.127537][ T6598] ? __raw_spin_lock_init+0x45/0x100
[ 199.127560][ T6598] ? __init_swait_queue_head+0xa9/0x150
[ 199.127586][ T6598] gfs2_sys_fs_add+0x234/0x450
[ 199.127608][ T6598] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 199.127636][ T6598] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 199.127671][ T6598] gfs2_fill_super+0x1388/0x21b0
[ 199.127709][ T6598] ? __pfx_gfs2_fill_super+0x10/0x10
[ 199.127734][ T6598] ? sb_set_blocksize+0x155/0x240
[ 199.127761][ T6598] ? setup_bdev_super+0x4c1/0x5b0
[ 199.127790][ T6598] get_tree_bdev_flags+0x40e/0x4d0
[ 199.127808][ T6598] ? __pfx_gfs2_fill_super+0x10/0x10
[ 199.127831][ T6598] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 199.127847][ T6598] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 199.127881][ T6598] gfs2_get_tree+0x51/0x1e0
[ 199.127907][ T6598] vfs_get_tree+0x92/0x2a0
[ 199.127927][ T6598] do_new_mount+0x302/0xa10
[ 199.127945][ T6598] ? apparmor_capable+0x137/0x1a0
[ 199.127970][ T6598] ? __pfx_do_new_mount+0x10/0x10
[ 199.127990][ T6598] ? ns_capable+0x8a/0xf0
[ 199.128011][ T6598] ? kmem_cache_free+0x197/0x620
[ 199.128039][ T6598] __se_sys_mount+0x313/0x410
[ 199.128065][ T6598] ? __pfx___se_sys_mount+0x10/0x10
[ 199.128090][ T6598] ? do_syscall_64+0xbe/0xf80
[ 199.128108][ T6598] ? __x64_sys_mount+0x20/0xc0
[ 199.128131][ T6598] do_syscall_64+0xfa/0xf80
[ 199.128150][ T6598] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 199.128168][ T6598] ? clear_bhb_loop+0x60/0xb0
[ 199.128189][ T6598] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 199.128206][ T6598] RIP: 0033:0x7f0cfdb90eea
[ 199.128223][ T6598] 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
[ 199.128239][ T6598] RSP: 002b:00007ffc5c048498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 199.128258][ T6598] RAX: ffffffffffffffda RBX: 00007ffc5c048520 RCX: 00007f0cfdb90eea
[ 199.128272][ T6598] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffc5c0484e0
[ 199.128285][ T6598] RBP: 00002000000124c0 R08: 00007ffc5c048520 R09: 0000000000000000
[ 199.128298][ T6598] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 199.128310][ T6598] R13: 00007ffc5c0484e0 R14: 00000000000125c7 R15: 0000200000000180
[ 199.128340][ T6598]
[ 199.128365][ T6598] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 199.455621][ T6598] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 199.505129][ T6603] loop2: detected capacity change from 0 to 32768
[ 199.531668][ T6603] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 199.543133][ T6603] CPU: 0 UID: 0 PID: 6603 Comm: syz.2.170 Not tainted syzkaller #0 PREEMPT(full)
[ 199.543158][ T6603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 199.543169][ T6603] Call Trace:
[ 199.543177][ T6603]
[ 199.543185][ T6603] dump_stack_lvl+0x189/0x250
[ 199.543215][ T6603] ? __pfx_dump_stack_lvl+0x10/0x10
[ 199.543235][ T6603] ? __pfx__printk+0x10/0x10
[ 199.543265][ T6603] ? kernfs_path_from_node+0x250/0x290
[ 199.543284][ T6603] ? kernfs_path_from_node+0x2f/0x290
[ 199.543304][ T6603] sysfs_create_dir_ns+0x259/0x280
[ 199.543324][ T6603] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 199.543344][ T6603] ? do_raw_spin_unlock+0x122/0x240
[ 199.543370][ T6603] kobject_add_internal+0x6ab/0xcc0
[ 199.543400][ T6603] kobject_init_and_add+0x125/0x190
[ 199.543427][ T6603] ? __pfx_kobject_init_and_add+0x10/0x10
[ 199.543456][ T6603] ? __raw_spin_lock_init+0x45/0x100
[ 199.543481][ T6603] ? __init_swait_queue_head+0xa9/0x150
[ 199.543507][ T6603] gfs2_sys_fs_add+0x234/0x450
[ 199.543529][ T6603] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 199.543557][ T6603] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 199.543593][ T6603] gfs2_fill_super+0x1388/0x21b0
[ 199.543636][ T6603] ? __pfx_gfs2_fill_super+0x10/0x10
[ 199.543665][ T6603] ? sb_set_blocksize+0x155/0x240
[ 199.543693][ T6603] ? setup_bdev_super+0x4c1/0x5b0
[ 199.543721][ T6603] get_tree_bdev_flags+0x40e/0x4d0
[ 199.543742][ T6603] ? __pfx_gfs2_fill_super+0x10/0x10
[ 199.543765][ T6603] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 199.543782][ T6603] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 199.543818][ T6603] gfs2_get_tree+0x51/0x1e0
[ 199.543844][ T6603] vfs_get_tree+0x92/0x2a0
[ 199.543866][ T6603] do_new_mount+0x302/0xa10
[ 199.543885][ T6603] ? apparmor_capable+0x137/0x1a0
[ 199.543910][ T6603] ? __pfx_do_new_mount+0x10/0x10
[ 199.543930][ T6603] ? ns_capable+0x8a/0xf0
[ 199.543951][ T6603] ? kmem_cache_free+0x197/0x620
[ 199.543977][ T6603] __se_sys_mount+0x313/0x410
[ 199.544003][ T6603] ? __pfx___se_sys_mount+0x10/0x10
[ 199.544026][ T6603] ? do_syscall_64+0xbe/0xf80
[ 199.544044][ T6603] ? __x64_sys_mount+0x20/0xc0
[ 199.544066][ T6603] do_syscall_64+0xfa/0xf80
[ 199.544086][ T6603] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 199.544104][ T6603] ? clear_bhb_loop+0x60/0xb0
[ 199.544122][ T6603] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 199.544139][ T6603] RIP: 0033:0x7f46b4190eea
[ 199.544157][ T6603] 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
[ 199.544171][ T6603] RSP: 002b:00007fff654abbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 199.544191][ T6603] RAX: ffffffffffffffda RBX: 00007fff654abc50 RCX: 00007f46b4190eea
[ 199.544205][ T6603] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff654abc10
[ 199.544217][ T6603] RBP: 00002000000124c0 R08: 00007fff654abc50 R09: 0000000000000000
[ 199.544227][ T6603] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 199.544237][ T6603] R13: 00007fff654abc10 R14: 00000000000125c7 R15: 0000200000000180
[ 199.544260][ T6603]
[ 199.845523][ T6603] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 199.860816][ T6603] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 199.890187][ T6096] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 766ms
[ 199.897922][ T6096] gfs2: fsid=syz:syz.0: jid=0: Done
[ 199.903163][ T6597] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 199.985318][ T6597] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 199.995180][ T6607] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 200.245821][ T6607] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 200.282347][ T6607] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:6607 [gfs2_quotad/syz] gfs2_quota_sync+0x359/0x460
[ 200.303288][ T6607] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 200.323687][ T6607] CPU: 0 UID: 0 PID: 6607 Comm: gfs2_quotad/syz Not tainted syzkaller #0 PREEMPT(full)
[ 200.323714][ T6607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 200.323726][ T6607] Call Trace:
[ 200.323734][ T6607]
[ 200.323743][ T6607] dump_stack_lvl+0x189/0x250
[ 200.323773][ T6607] ? __pfx_dump_stack_lvl+0x10/0x10
[ 200.323799][ T6607] ? queue_delayed_work_on+0x201/0x280
[ 200.323820][ T6607] ? preempt_schedule+0xae/0xc0
[ 200.323847][ T6607] gfs2_withdraw+0xc3/0x1b0
[ 200.323873][ T6607] inode_go_instantiate+0xdd0/0x1210
[ 200.323906][ T6607] ? __pfx_inode_go_instantiate+0x10/0x10
[ 200.323932][ T6607] ? gfs2_glock_nq+0xedd/0x15f0
[ 200.323964][ T6607] gfs2_instantiate+0x168/0x220
[ 200.323990][ T6607] gfs2_glock_wait+0x1d4/0x2a0
[ 200.324018][ T6607] do_sync+0x46f/0xc60
[ 200.324037][ T6607] ? _raw_spin_unlock+0x28/0x50
[ 200.324054][ T6607] ? gfs2_quota_sync+0x359/0x460
[ 200.324083][ T6607] ? __pfx_do_sync+0x10/0x10
[ 200.324112][ T6607] ? gfs2_quota_sync+0x359/0x460
[ 200.324136][ T6607] ? do_raw_spin_unlock+0x122/0x240
[ 200.324163][ T6607] gfs2_quota_sync+0x359/0x460
[ 200.324194][ T6607] gfs2_quotad+0x3d5/0x930
[ 200.324231][ T6607] ? __pfx_gfs2_quotad+0x10/0x10
[ 200.324256][ T6607] ? __kthread_parkme+0x7b/0x200
[ 200.324276][ T6607] ? __kthread_parkme+0x1a1/0x200
[ 200.324302][ T6607] kthread+0x711/0x8a0
[ 200.324327][ T6607] ? __pfx_gfs2_quotad+0x10/0x10
[ 200.324347][ T6607] ? __pfx_kthread+0x10/0x10
[ 200.324371][ T6607] ? _raw_spin_unlock_irq+0x23/0x50
[ 200.324389][ T6607] ? lockdep_hardirqs_on+0x98/0x140
[ 200.324407][ T6607] ? __pfx_kthread+0x10/0x10
[ 200.324430][ T6607] ret_from_fork+0x599/0xb30
[ 200.324451][ T6607] ? __pfx_ret_from_fork+0x10/0x10
[ 200.324480][ T6607] ? __switch_to_asm+0x39/0x70
[ 200.324502][ T6607] ? __switch_to_asm+0x33/0x70
[ 200.324522][ T6607] ? __pfx_kthread+0x10/0x10
[ 200.324544][ T6607] ret_from_fork_asm+0x1a/0x30
[ 200.324583][ T6607]
[ 200.324591][ T6607] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 200.413810][ T6608] loop3: detected capacity change from 0 to 32768
[ 200.559353][ T6608] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 200.567311][ T6608] CPU: 1 UID: 0 PID: 6608 Comm: syz.3.171 Not tainted syzkaller #0 PREEMPT(full)
[ 200.567338][ T6608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 200.567350][ T6608] Call Trace:
[ 200.567358][ T6608]
[ 200.567366][ T6608] dump_stack_lvl+0x189/0x250
[ 200.567404][ T6608] ? __pfx_dump_stack_lvl+0x10/0x10
[ 200.567424][ T6608] ? __pfx__printk+0x10/0x10
[ 200.567454][ T6608] ? kernfs_path_from_node+0x250/0x290
[ 200.567473][ T6608] ? kernfs_path_from_node+0x2f/0x290
[ 200.567495][ T6608] sysfs_create_dir_ns+0x259/0x280
[ 200.567519][ T6608] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 200.567538][ T6608] ? do_raw_spin_unlock+0x122/0x240
[ 200.567563][ T6608] kobject_add_internal+0x6ab/0xcc0
[ 200.567596][ T6608] kobject_init_and_add+0x125/0x190
[ 200.567622][ T6608] ? __pfx_kobject_init_and_add+0x10/0x10
[ 200.567644][ T6608] ? __raw_spin_lock_init+0x45/0x100
[ 200.567668][ T6608] ? __init_swait_queue_head+0xa9/0x150
[ 200.567694][ T6608] gfs2_sys_fs_add+0x234/0x450
[ 200.567715][ T6608] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 200.567742][ T6608] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 200.567778][ T6608] gfs2_fill_super+0x1388/0x21b0
[ 200.567816][ T6608] ? __pfx_gfs2_fill_super+0x10/0x10
[ 200.567844][ T6608] ? sb_set_blocksize+0x155/0x240
[ 200.567871][ T6608] ? setup_bdev_super+0x4c1/0x5b0
[ 200.567893][ T6608] get_tree_bdev_flags+0x40e/0x4d0
[ 200.567911][ T6608] ? __pfx_gfs2_fill_super+0x10/0x10
[ 200.567934][ T6608] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 200.567950][ T6608] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 200.567983][ T6608] gfs2_get_tree+0x51/0x1e0
[ 200.568008][ T6608] vfs_get_tree+0x92/0x2a0
[ 200.568027][ T6608] do_new_mount+0x302/0xa10
[ 200.568045][ T6608] ? apparmor_capable+0x137/0x1a0
[ 200.568071][ T6608] ? __pfx_do_new_mount+0x10/0x10
[ 200.568092][ T6608] ? ns_capable+0x8a/0xf0
[ 200.568114][ T6608] ? kmem_cache_free+0x197/0x620
[ 200.568144][ T6608] __se_sys_mount+0x313/0x410
[ 200.568171][ T6608] ? __pfx___se_sys_mount+0x10/0x10
[ 200.568196][ T6608] ? do_syscall_64+0xbe/0xf80
[ 200.568214][ T6608] ? __x64_sys_mount+0x20/0xc0
[ 200.568238][ T6608] do_syscall_64+0xfa/0xf80
[ 200.568257][ T6608] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 200.568275][ T6608] ? clear_bhb_loop+0x60/0xb0
[ 200.568295][ T6608] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 200.568313][ T6608] RIP: 0033:0x7f555fd90eea
[ 200.568331][ T6608] 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
[ 200.568347][ T6608] RSP: 002b:00007ffcb481be18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 200.568367][ T6608] RAX: ffffffffffffffda RBX: 00007ffcb481bea0 RCX: 00007f555fd90eea
[ 200.568391][ T6608] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffcb481be60
[ 200.568404][ T6608] RBP: 00002000000124c0 R08: 00007ffcb481bea0 R09: 0000000000000000
[ 200.568417][ T6608] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 200.568428][ T6608] R13: 00007ffcb481be60 R14: 00000000000125c7 R15: 0000200000000180
[ 200.568459][ T6608]
[ 200.568511][ T6608] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 200.891014][ T6608] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/02 10:45:09 executed programs: 165
[ 201.121043][ T6611] loop4: detected capacity change from 0 to 32768
[ 201.152070][ T6611] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 201.160543][ T6611] CPU: 0 UID: 0 PID: 6611 Comm: syz.4.172 Not tainted syzkaller #0 PREEMPT(full)
[ 201.160569][ T6611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 201.160580][ T6611] Call Trace:
[ 201.160589][ T6611]
[ 201.160597][ T6611] dump_stack_lvl+0x189/0x250
[ 201.160625][ T6611] ? __pfx_dump_stack_lvl+0x10/0x10
[ 201.160646][ T6611] ? __pfx__printk+0x10/0x10
[ 201.160675][ T6611] ? kernfs_path_from_node+0x250/0x290
[ 201.160694][ T6611] ? kernfs_path_from_node+0x2f/0x290
[ 201.160716][ T6611] sysfs_create_dir_ns+0x259/0x280
[ 201.160737][ T6611] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 201.160758][ T6611] ? do_raw_spin_unlock+0x122/0x240
[ 201.160822][ T6611] kobject_add_internal+0x6ab/0xcc0
[ 201.160854][ T6611] kobject_init_and_add+0x125/0x190
[ 201.160882][ T6611] ? __pfx_kobject_init_and_add+0x10/0x10
[ 201.160905][ T6611] ? __raw_spin_lock_init+0x45/0x100
[ 201.160929][ T6611] ? __init_swait_queue_head+0xa9/0x150
[ 201.160955][ T6611] gfs2_sys_fs_add+0x234/0x450
[ 201.160978][ T6611] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 201.161006][ T6611] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 201.161043][ T6611] gfs2_fill_super+0x1388/0x21b0
[ 201.161082][ T6611] ? __pfx_gfs2_fill_super+0x10/0x10
[ 201.161109][ T6611] ? sb_set_blocksize+0x155/0x240
[ 201.161137][ T6611] ? setup_bdev_super+0x4c1/0x5b0
[ 201.161159][ T6611] get_tree_bdev_flags+0x40e/0x4d0
[ 201.161177][ T6611] ? __pfx_gfs2_fill_super+0x10/0x10
[ 201.161200][ T6611] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 201.161217][ T6611] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 201.161250][ T6611] gfs2_get_tree+0x51/0x1e0
[ 201.161276][ T6611] vfs_get_tree+0x92/0x2a0
[ 201.161303][ T6611] do_new_mount+0x302/0xa10
[ 201.161323][ T6611] ? apparmor_capable+0x137/0x1a0
[ 201.161349][ T6611] ? __pfx_do_new_mount+0x10/0x10
[ 201.161369][ T6611] ? ns_capable+0x8a/0xf0
[ 201.161391][ T6611] ? kmem_cache_free+0x197/0x620
[ 201.161420][ T6611] __se_sys_mount+0x313/0x410
[ 201.161447][ T6611] ? __pfx___se_sys_mount+0x10/0x10
[ 201.161472][ T6611] ? do_syscall_64+0xbe/0xf80
[ 201.161491][ T6611] ? __x64_sys_mount+0x20/0xc0
[ 201.161512][ T6611] do_syscall_64+0xfa/0xf80
[ 201.161531][ T6611] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 201.161548][ T6611] ? clear_bhb_loop+0x60/0xb0
[ 201.161569][ T6611] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 201.161586][ T6611] RIP: 0033:0x7fc628590eea
[ 201.161604][ T6611] 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
[ 201.161619][ T6611] RSP: 002b:00007fff78c4af08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.161640][ T6611] RAX: ffffffffffffffda RBX: 00007fff78c4af90 RCX: 00007fc628590eea
[ 201.161654][ T6611] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff78c4af50
[ 201.161667][ T6611] RBP: 00002000000124c0 R08: 00007fff78c4af90 R09: 0000000000000000
[ 201.161680][ T6611] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 201.161691][ T6611] R13: 00007fff78c4af50 R14: 00000000000125c7 R15: 0000200000000180
[ 201.161719][ T6611]
[ 201.161741][ T6611] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 201.481026][ T6611] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 201.952755][ T6614] loop0: detected capacity change from 0 to 32768
[ 201.984579][ T6614] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 201.992089][ T6614] CPU: 1 UID: 0 PID: 6614 Comm: syz.0.174 Not tainted syzkaller #0 PREEMPT(full)
[ 201.992113][ T6614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 201.992124][ T6614] Call Trace:
[ 201.992134][ T6614]
[ 201.992143][ T6614] dump_stack_lvl+0x189/0x250
[ 201.992167][ T6614] ? __pfx_dump_stack_lvl+0x10/0x10
[ 201.992179][ T6614] ? __pfx__printk+0x10/0x10
[ 201.992195][ T6614] ? kernfs_path_from_node+0x250/0x290
[ 201.992206][ T6614] ? kernfs_path_from_node+0x2f/0x290
[ 201.992222][ T6614] sysfs_create_dir_ns+0x259/0x280
[ 201.992234][ T6614] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 201.992245][ T6614] ? do_raw_spin_unlock+0x122/0x240
[ 201.992261][ T6614] kobject_add_internal+0x6ab/0xcc0
[ 201.992279][ T6614] kobject_init_and_add+0x125/0x190
[ 201.992295][ T6614] ? __pfx_kobject_init_and_add+0x10/0x10
[ 201.992308][ T6614] ? __raw_spin_lock_init+0x45/0x100
[ 201.992322][ T6614] ? __init_swait_queue_head+0xa9/0x150
[ 201.992337][ T6614] gfs2_sys_fs_add+0x234/0x450
[ 201.992350][ T6614] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 201.992366][ T6614] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 201.992386][ T6614] gfs2_fill_super+0x1388/0x21b0
[ 201.992408][ T6614] ? __pfx_gfs2_fill_super+0x10/0x10
[ 201.992424][ T6614] ? sb_set_blocksize+0x155/0x240
[ 201.992440][ T6614] ? setup_bdev_super+0x4c1/0x5b0
[ 201.992453][ T6614] get_tree_bdev_flags+0x40e/0x4d0
[ 201.992469][ T6614] ? __pfx_gfs2_fill_super+0x10/0x10
[ 201.992482][ T6614] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 201.992491][ T6614] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 201.992511][ T6614] gfs2_get_tree+0x51/0x1e0
[ 201.992526][ T6614] vfs_get_tree+0x92/0x2a0
[ 201.992537][ T6614] do_new_mount+0x302/0xa10
[ 201.992549][ T6614] ? apparmor_capable+0x137/0x1a0
[ 201.992563][ T6614] ? __pfx_do_new_mount+0x10/0x10
[ 201.992575][ T6614] ? ns_capable+0x8a/0xf0
[ 201.992588][ T6614] ? kmem_cache_free+0x197/0x620
[ 201.992604][ T6614] __se_sys_mount+0x313/0x410
[ 201.992619][ T6614] ? __pfx___se_sys_mount+0x10/0x10
[ 201.992633][ T6614] ? do_syscall_64+0xbe/0xf80
[ 201.992644][ T6614] ? __x64_sys_mount+0x20/0xc0
[ 201.992657][ T6614] do_syscall_64+0xfa/0xf80
[ 201.992669][ T6614] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 201.992679][ T6614] ? clear_bhb_loop+0x60/0xb0
[ 201.992691][ T6614] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 201.992701][ T6614] RIP: 0033:0x7f0cfdb90eea
[ 201.992711][ T6614] 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
[ 201.992720][ T6614] RSP: 002b:00007ffc5c048498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 201.992733][ T6614] RAX: ffffffffffffffda RBX: 00007ffc5c048520 RCX: 00007f0cfdb90eea
[ 201.992741][ T6614] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffc5c0484e0
[ 201.992748][ T6614] RBP: 00002000000124c0 R08: 00007ffc5c048520 R09: 0000000000000000
[ 201.992755][ T6614] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 201.992762][ T6614] R13: 00007ffc5c0484e0 R14: 00000000000125c7 R15: 0000200000000180
[ 201.992778][ T6614]
[ 201.992796][ T6614] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 202.315055][ T6614] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 202.559020][ T6617] loop2: detected capacity change from 0 to 32768
[ 202.585516][ T6617] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 202.594318][ T6617] CPU: 0 UID: 0 PID: 6617 Comm: syz.2.175 Not tainted syzkaller #0 PREEMPT(full)
[ 202.594344][ T6617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 202.594355][ T6617] Call Trace:
[ 202.594362][ T6617]
[ 202.594371][ T6617] dump_stack_lvl+0x189/0x250
[ 202.594407][ T6617] ? __pfx_dump_stack_lvl+0x10/0x10
[ 202.594433][ T6617] ? __pfx__printk+0x10/0x10
[ 202.594461][ T6617] ? kernfs_path_from_node+0x250/0x290
[ 202.594478][ T6617] ? kernfs_path_from_node+0x2f/0x290
[ 202.594499][ T6617] sysfs_create_dir_ns+0x259/0x280
[ 202.594517][ T6617] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 202.594536][ T6617] ? do_raw_spin_unlock+0x122/0x240
[ 202.594562][ T6617] kobject_add_internal+0x6ab/0xcc0
[ 202.594591][ T6617] kobject_init_and_add+0x125/0x190
[ 202.594618][ T6617] ? __pfx_kobject_init_and_add+0x10/0x10
[ 202.594640][ T6617] ? __raw_spin_lock_init+0x45/0x100
[ 202.594664][ T6617] ? __init_swait_queue_head+0xa9/0x150
[ 202.594690][ T6617] gfs2_sys_fs_add+0x234/0x450
[ 202.594713][ T6617] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 202.594740][ T6617] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 202.594777][ T6617] gfs2_fill_super+0x1388/0x21b0
[ 202.594814][ T6617] ? __pfx_gfs2_fill_super+0x10/0x10
[ 202.594846][ T6617] ? sb_set_blocksize+0x155/0x240
[ 202.594873][ T6617] ? setup_bdev_super+0x4c1/0x5b0
[ 202.594895][ T6617] get_tree_bdev_flags+0x40e/0x4d0
[ 202.594913][ T6617] ? __pfx_gfs2_fill_super+0x10/0x10
[ 202.594935][ T6617] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 202.594950][ T6617] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 202.594984][ T6617] gfs2_get_tree+0x51/0x1e0
[ 202.595011][ T6617] vfs_get_tree+0x92/0x2a0
[ 202.595032][ T6617] do_new_mount+0x302/0xa10
[ 202.595051][ T6617] ? apparmor_capable+0x137/0x1a0
[ 202.595077][ T6617] ? __pfx_do_new_mount+0x10/0x10
[ 202.595098][ T6617] ? ns_capable+0x8a/0xf0
[ 202.595119][ T6617] ? kmem_cache_free+0x197/0x620
[ 202.595147][ T6617] __se_sys_mount+0x313/0x410
[ 202.595173][ T6617] ? __pfx___se_sys_mount+0x10/0x10
[ 202.595197][ T6617] ? do_syscall_64+0xbe/0xf80
[ 202.595216][ T6617] ? __x64_sys_mount+0x20/0xc0
[ 202.595239][ T6617] do_syscall_64+0xfa/0xf80
[ 202.595260][ T6617] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 202.595278][ T6617] ? clear_bhb_loop+0x60/0xb0
[ 202.595299][ T6617] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 202.595316][ T6617] RIP: 0033:0x7f46b4190eea
[ 202.595333][ T6617] 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
[ 202.595349][ T6617] RSP: 002b:00007fff654abbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 202.595369][ T6617] RAX: ffffffffffffffda RBX: 00007fff654abc50 RCX: 00007f46b4190eea
[ 202.595383][ T6617] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff654abc10
[ 202.595397][ T6617] RBP: 00002000000124c0 R08: 00007fff654abc50 R09: 0000000000000000
[ 202.595417][ T6617] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 202.595429][ T6617] R13: 00007fff654abc10 R14: 00000000000125c7 R15: 0000200000000180
[ 202.595458][ T6617]
[ 202.595512][ T6617] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 202.912244][ T6617] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 203.299460][ T6620] loop3: detected capacity change from 0 to 32768
[ 203.317571][ T6620] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 203.325018][ T6620] CPU: 1 UID: 0 PID: 6620 Comm: syz.3.176 Not tainted syzkaller #0 PREEMPT(full)
[ 203.325042][ T6620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 203.325054][ T6620] Call Trace:
[ 203.325063][ T6620]
[ 203.325070][ T6620] dump_stack_lvl+0x189/0x250
[ 203.325089][ T6620] ? __pfx_dump_stack_lvl+0x10/0x10
[ 203.325101][ T6620] ? __pfx__printk+0x10/0x10
[ 203.325117][ T6620] ? kernfs_path_from_node+0x250/0x290
[ 203.325128][ T6620] ? kernfs_path_from_node+0x2f/0x290
[ 203.325141][ T6620] sysfs_create_dir_ns+0x259/0x280
[ 203.325153][ T6620] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 203.325170][ T6620] ? do_raw_spin_unlock+0x122/0x240
[ 203.325186][ T6620] kobject_add_internal+0x6ab/0xcc0
[ 203.325204][ T6620] kobject_init_and_add+0x125/0x190
[ 203.325220][ T6620] ? __pfx_kobject_init_and_add+0x10/0x10
[ 203.325233][ T6620] ? __raw_spin_lock_init+0x45/0x100
[ 203.325247][ T6620] ? __init_swait_queue_head+0xa9/0x150
[ 203.325262][ T6620] gfs2_sys_fs_add+0x234/0x450
[ 203.325275][ T6620] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 203.325291][ T6620] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 203.325311][ T6620] gfs2_fill_super+0x1388/0x21b0
[ 203.325333][ T6620] ? __pfx_gfs2_fill_super+0x10/0x10
[ 203.325349][ T6620] ? sb_set_blocksize+0x155/0x240
[ 203.325365][ T6620] ? setup_bdev_super+0x4c1/0x5b0
[ 203.325377][ T6620] get_tree_bdev_flags+0x40e/0x4d0
[ 203.325388][ T6620] ? __pfx_gfs2_fill_super+0x10/0x10
[ 203.325401][ T6620] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 203.325410][ T6620] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 203.325431][ T6620] gfs2_get_tree+0x51/0x1e0
[ 203.325446][ T6620] vfs_get_tree+0x92/0x2a0
[ 203.325458][ T6620] do_new_mount+0x302/0xa10
[ 203.325470][ T6620] ? apparmor_capable+0x137/0x1a0
[ 203.325484][ T6620] ? __pfx_do_new_mount+0x10/0x10
[ 203.325496][ T6620] ? ns_capable+0x8a/0xf0
[ 203.325509][ T6620] ? kmem_cache_free+0x197/0x620
[ 203.325525][ T6620] __se_sys_mount+0x313/0x410
[ 203.325540][ T6620] ? __pfx___se_sys_mount+0x10/0x10
[ 203.325554][ T6620] ? do_syscall_64+0xbe/0xf80
[ 203.325565][ T6620] ? __x64_sys_mount+0x20/0xc0
[ 203.325577][ T6620] do_syscall_64+0xfa/0xf80
[ 203.325589][ T6620] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 203.325599][ T6620] ? clear_bhb_loop+0x60/0xb0
[ 203.325611][ T6620] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 203.325621][ T6620] RIP: 0033:0x7f555fd90eea
[ 203.325632][ T6620] 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
[ 203.325641][ T6620] RSP: 002b:00007ffcb481be18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 203.325653][ T6620] RAX: ffffffffffffffda RBX: 00007ffcb481bea0 RCX: 00007f555fd90eea
[ 203.325661][ T6620] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffcb481be60
[ 203.325668][ T6620] RBP: 00002000000124c0 R08: 00007ffcb481bea0 R09: 0000000000000000
[ 203.325675][ T6620] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 203.325681][ T6620] R13: 00007ffcb481be60 R14: 00000000000125c7 R15: 0000200000000180
[ 203.325698][ T6620]
[ 203.325714][ T6620] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 203.646848][ T6620] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 204.040829][ T6623] loop4: detected capacity change from 0 to 32768
[ 204.076708][ T6623] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 204.084170][ T6623] CPU: 0 UID: 0 PID: 6623 Comm: syz.4.177 Not tainted syzkaller #0 PREEMPT(full)
[ 204.084196][ T6623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 204.084208][ T6623] Call Trace:
[ 204.084217][ T6623]
[ 204.084225][ T6623] dump_stack_lvl+0x189/0x250
[ 204.084254][ T6623] ? __pfx_dump_stack_lvl+0x10/0x10
[ 204.084275][ T6623] ? __pfx__printk+0x10/0x10
[ 204.084303][ T6623] ? kernfs_path_from_node+0x250/0x290
[ 204.084321][ T6623] ? kernfs_path_from_node+0x2f/0x290
[ 204.084344][ T6623] sysfs_create_dir_ns+0x259/0x280
[ 204.084365][ T6623] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 204.084386][ T6623] ? do_raw_spin_unlock+0x122/0x240
[ 204.084414][ T6623] kobject_add_internal+0x6ab/0xcc0
[ 204.084446][ T6623] kobject_init_and_add+0x125/0x190
[ 204.084475][ T6623] ? __pfx_kobject_init_and_add+0x10/0x10
[ 204.084499][ T6623] ? __raw_spin_lock_init+0x45/0x100
[ 204.084522][ T6623] ? __init_swait_queue_head+0xa9/0x150
[ 204.084549][ T6623] gfs2_sys_fs_add+0x234/0x450
[ 204.084582][ T6623] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 204.084612][ T6623] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 204.084649][ T6623] gfs2_fill_super+0x1388/0x21b0
[ 204.084688][ T6623] ? __pfx_gfs2_fill_super+0x10/0x10
[ 204.084716][ T6623] ? sb_set_blocksize+0x155/0x240
[ 204.084742][ T6623] ? setup_bdev_super+0x4c1/0x5b0
[ 204.084764][ T6623] get_tree_bdev_flags+0x40e/0x4d0
[ 204.084783][ T6623] ? __pfx_gfs2_fill_super+0x10/0x10
[ 204.084806][ T6623] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 204.084823][ T6623] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 204.084858][ T6623] gfs2_get_tree+0x51/0x1e0
[ 204.084885][ T6623] vfs_get_tree+0x92/0x2a0
[ 204.084906][ T6623] do_new_mount+0x302/0xa10
[ 204.084925][ T6623] ? apparmor_capable+0x137/0x1a0
[ 204.084950][ T6623] ? __pfx_do_new_mount+0x10/0x10
[ 204.084971][ T6623] ? ns_capable+0x8a/0xf0
[ 204.084994][ T6623] ? kmem_cache_free+0x197/0x620
[ 204.085023][ T6623] __se_sys_mount+0x313/0x410
[ 204.085052][ T6623] ? __pfx___se_sys_mount+0x10/0x10
[ 204.085085][ T6623] ? do_syscall_64+0xbe/0xf80
[ 204.085103][ T6623] ? __x64_sys_mount+0x20/0xc0
[ 204.085126][ T6623] do_syscall_64+0xfa/0xf80
[ 204.085146][ T6623] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 204.085164][ T6623] ? clear_bhb_loop+0x60/0xb0
[ 204.085186][ T6623] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 204.085204][ T6623] RIP: 0033:0x7fc628590eea
[ 204.085222][ T6623] 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
[ 204.085238][ T6623] RSP: 002b:00007fff78c4af08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 204.085259][ T6623] RAX: ffffffffffffffda RBX: 00007fff78c4af90 RCX: 00007fc628590eea
[ 204.085273][ T6623] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff78c4af50
[ 204.085286][ T6623] RBP: 00002000000124c0 R08: 00007fff78c4af90 R09: 0000000000000000
[ 204.085298][ T6623] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 204.085310][ T6623] R13: 00007fff78c4af50 R14: 00000000000125c7 R15: 0000200000000180
[ 204.085341][ T6623]
[ 204.085367][ T6623] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 204.404819][ T6623] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 204.979291][ T6627] loop0: detected capacity change from 0 to 32768
[ 205.007787][ T6627] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.015259][ T6627] CPU: 1 UID: 0 PID: 6627 Comm: syz.0.178 Not tainted syzkaller #0 PREEMPT(full)
[ 205.015283][ T6627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 205.015294][ T6627] Call Trace:
[ 205.015305][ T6627]
[ 205.015314][ T6627] dump_stack_lvl+0x189/0x250
[ 205.015334][ T6627] ? __pfx_dump_stack_lvl+0x10/0x10
[ 205.015346][ T6627] ? __pfx__printk+0x10/0x10
[ 205.015363][ T6627] ? kernfs_path_from_node+0x250/0x290
[ 205.015374][ T6627] ? kernfs_path_from_node+0x2f/0x290
[ 205.015386][ T6627] sysfs_create_dir_ns+0x259/0x280
[ 205.015399][ T6627] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 205.015410][ T6627] ? do_raw_spin_unlock+0x122/0x240
[ 205.015427][ T6627] kobject_add_internal+0x6ab/0xcc0
[ 205.015445][ T6627] kobject_init_and_add+0x125/0x190
[ 205.015471][ T6627] ? __pfx_kobject_init_and_add+0x10/0x10
[ 205.015485][ T6627] ? __raw_spin_lock_init+0x45/0x100
[ 205.015498][ T6627] ? __init_swait_queue_head+0xa9/0x150
[ 205.015513][ T6627] gfs2_sys_fs_add+0x234/0x450
[ 205.015527][ T6627] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 205.015542][ T6627] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 205.015563][ T6627] gfs2_fill_super+0x1388/0x21b0
[ 205.015585][ T6627] ? __pfx_gfs2_fill_super+0x10/0x10
[ 205.015600][ T6627] ? sb_set_blocksize+0x155/0x240
[ 205.015616][ T6627] ? setup_bdev_super+0x4c1/0x5b0
[ 205.015629][ T6627] get_tree_bdev_flags+0x40e/0x4d0
[ 205.015639][ T6627] ? __pfx_gfs2_fill_super+0x10/0x10
[ 205.015652][ T6627] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 205.015661][ T6627] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 205.015681][ T6627] gfs2_get_tree+0x51/0x1e0
[ 205.015696][ T6627] vfs_get_tree+0x92/0x2a0
[ 205.015707][ T6627] do_new_mount+0x302/0xa10
[ 205.015719][ T6627] ? apparmor_capable+0x137/0x1a0
[ 205.015733][ T6627] ? __pfx_do_new_mount+0x10/0x10
[ 205.015744][ T6627] ? ns_capable+0x8a/0xf0
[ 205.015761][ T6627] ? kmem_cache_free+0x197/0x620
[ 205.015787][ T6627] __se_sys_mount+0x313/0x410
[ 205.015811][ T6627] ? __pfx___se_sys_mount+0x10/0x10
[ 205.015832][ T6627] ? do_syscall_64+0xbe/0xf80
[ 205.015850][ T6627] ? __x64_sys_mount+0x20/0xc0
[ 205.015870][ T6627] do_syscall_64+0xfa/0xf80
[ 205.015897][ T6627] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 205.015914][ T6627] ? clear_bhb_loop+0x60/0xb0
[ 205.015932][ T6627] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 205.015949][ T6627] RIP: 0033:0x7f0cfdb90eea
[ 205.015965][ T6627] 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
[ 205.015979][ T6627] RSP: 002b:00007ffc5c048498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.015998][ T6627] RAX: ffffffffffffffda RBX: 00007ffc5c048520 RCX: 00007f0cfdb90eea
[ 205.016013][ T6627] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffc5c0484e0
[ 205.016026][ T6627] RBP: 00002000000124c0 R08: 00007ffc5c048520 R09: 0000000000000000
[ 205.016038][ T6627] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 205.016050][ T6627] R13: 00007ffc5c0484e0 R14: 00000000000125c7 R15: 0000200000000180
[ 205.016082][ T6627]
[ 205.317209][ T6627] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 205.332659][ T6627] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 205.651130][ T6630] loop2: detected capacity change from 0 to 32768
[ 205.664377][ T6370] gfs2: fsid=syz:syz.0: file system withdrawn
[ 205.675006][ T6630] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 205.682763][ T6630] CPU: 0 UID: 0 PID: 6630 Comm: syz.2.179 Not tainted syzkaller #0 PREEMPT(full)
[ 205.682778][ T6630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 205.682785][ T6630] Call Trace:
[ 205.682790][ T6630]
[ 205.682795][ T6630] dump_stack_lvl+0x189/0x250
[ 205.682813][ T6630] ? __pfx_dump_stack_lvl+0x10/0x10
[ 205.682825][ T6630] ? __pfx__printk+0x10/0x10
[ 205.682842][ T6630] ? kernfs_path_from_node+0x250/0x290
[ 205.682854][ T6630] ? kernfs_path_from_node+0x2f/0x290
[ 205.682866][ T6630] sysfs_create_dir_ns+0x259/0x280
[ 205.682878][ T6630] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 205.682897][ T6630] ? do_raw_spin_unlock+0x122/0x240
[ 205.682913][ T6630] kobject_add_internal+0x6ab/0xcc0
[ 205.682931][ T6630] kobject_init_and_add+0x125/0x190
[ 205.682949][ T6630] ? __pfx_kobject_init_and_add+0x10/0x10
[ 205.682968][ T6630] ? __raw_spin_lock_init+0x45/0x100
[ 205.682982][ T6630] ? __init_swait_queue_head+0xa9/0x150
[ 205.682997][ T6630] gfs2_sys_fs_add+0x234/0x450
[ 205.683010][ T6630] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 205.683025][ T6630] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 205.683045][ T6630] gfs2_fill_super+0x1388/0x21b0
[ 205.683067][ T6630] ? __pfx_gfs2_fill_super+0x10/0x10
[ 205.683083][ T6630] ? sb_set_blocksize+0x155/0x240
[ 205.683099][ T6630] ? setup_bdev_super+0x4c1/0x5b0
[ 205.683111][ T6630] get_tree_bdev_flags+0x40e/0x4d0
[ 205.683121][ T6630] ? __pfx_gfs2_fill_super+0x10/0x10
[ 205.683134][ T6630] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 205.683143][ T6630] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 205.683162][ T6630] gfs2_get_tree+0x51/0x1e0
[ 205.683177][ T6630] vfs_get_tree+0x92/0x2a0
[ 205.683194][ T6630] do_new_mount+0x302/0xa10
[ 205.683206][ T6630] ? apparmor_capable+0x137/0x1a0
[ 205.683220][ T6630] ? __pfx_do_new_mount+0x10/0x10
[ 205.683232][ T6630] ? ns_capable+0x8a/0xf0
[ 205.683244][ T6630] ? kmem_cache_free+0x197/0x620
[ 205.683260][ T6630] __se_sys_mount+0x313/0x410
[ 205.683275][ T6630] ? __pfx___se_sys_mount+0x10/0x10
[ 205.683289][ T6630] ? do_syscall_64+0xbe/0xf80
[ 205.683300][ T6630] ? __x64_sys_mount+0x20/0xc0
[ 205.683313][ T6630] do_syscall_64+0xfa/0xf80
[ 205.683324][ T6630] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 205.683334][ T6630] ? clear_bhb_loop+0x60/0xb0
[ 205.683346][ T6630] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 205.683356][ T6630] RIP: 0033:0x7f46b4190eea
[ 205.683366][ T6630] 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
[ 205.683376][ T6630] RSP: 002b:00007fff654abbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 205.683388][ T6630] RAX: ffffffffffffffda RBX: 00007fff654abc50 RCX: 00007f46b4190eea
[ 205.683395][ T6630] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff654abc10
[ 205.683402][ T6630] RBP: 00002000000124c0 R08: 00007fff654abc50 R09: 0000000000000000
[ 205.683409][ T6630] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 205.683416][ T6630] R13: 00007fff654abc10 R14: 00000000000125c7 R15: 0000200000000180
[ 205.683432][ T6630]
[ 205.683449][ T6630] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.000843][ T6630] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/12/02 10:45:15 executed programs: 173
[ 206.469554][ T6633] loop3: detected capacity change from 0 to 32768
[ 206.531658][ T6633] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 206.548455][ T6633] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 206.563415][ T6633] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms
[ 206.589039][ T6093] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 206.600027][ T5962] Bluetooth: hci2: command 0x0406 tx timeout
[ 206.608782][ T5962] Bluetooth: hci5: command 0x0406 tx timeout
[ 206.614850][ T5962] Bluetooth: hci1: command 0x0406 tx timeout
[ 206.621104][ T5962] Bluetooth: hci3: command 0x0406 tx timeout
[ 206.628540][ T5962] Bluetooth: hci4: command 0x0406 tx timeout
[ 206.676877][ T6634] loop1: detected capacity change from 0 to 32768
[ 206.685301][ T6093] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 206.708621][ T6634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 206.716598][ T6634] CPU: 1 UID: 0 PID: 6634 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full)
[ 206.716623][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 206.716635][ T6634] Call Trace:
[ 206.716643][ T6634]
[ 206.716651][ T6634] dump_stack_lvl+0x189/0x250
[ 206.716680][ T6634] ? __pfx_dump_stack_lvl+0x10/0x10
[ 206.716700][ T6634] ? __pfx__printk+0x10/0x10
[ 206.716729][ T6634] ? kernfs_path_from_node+0x250/0x290
[ 206.716748][ T6634] ? kernfs_path_from_node+0x2f/0x290
[ 206.716771][ T6634] sysfs_create_dir_ns+0x259/0x280
[ 206.716791][ T6634] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 206.716812][ T6634] ? do_raw_spin_unlock+0x122/0x240
[ 206.716840][ T6634] kobject_add_internal+0x6ab/0xcc0
[ 206.716872][ T6634] kobject_init_and_add+0x125/0x190
[ 206.716900][ T6634] ? __pfx_kobject_init_and_add+0x10/0x10
[ 206.716923][ T6634] ? __raw_spin_lock_init+0x45/0x100
[ 206.716948][ T6634] ? __init_swait_queue_head+0xa9/0x150
[ 206.716974][ T6634] gfs2_sys_fs_add+0x234/0x450
[ 206.716996][ T6634] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 206.717025][ T6634] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 206.717067][ T6634] gfs2_fill_super+0x1388/0x21b0
[ 206.717106][ T6634] ? __pfx_gfs2_fill_super+0x10/0x10
[ 206.717133][ T6634] ? sb_set_blocksize+0x155/0x240
[ 206.717160][ T6634] ? setup_bdev_super+0x4c1/0x5b0
[ 206.717182][ T6634] get_tree_bdev_flags+0x40e/0x4d0
[ 206.717200][ T6634] ? __pfx_gfs2_fill_super+0x10/0x10
[ 206.717223][ T6634] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 206.717240][ T6634] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 206.717273][ T6634] gfs2_get_tree+0x51/0x1e0
[ 206.717300][ T6634] vfs_get_tree+0x92/0x2a0
[ 206.717320][ T6634] do_new_mount+0x302/0xa10
[ 206.717339][ T6634] ? apparmor_capable+0x137/0x1a0
[ 206.717365][ T6634] ? __pfx_do_new_mount+0x10/0x10
[ 206.717385][ T6634] ? ns_capable+0x8a/0xf0
[ 206.717407][ T6634] ? kmem_cache_free+0x197/0x620
[ 206.717436][ T6634] __se_sys_mount+0x313/0x410
[ 206.717463][ T6634] ? __pfx___se_sys_mount+0x10/0x10
[ 206.717488][ T6634] ? do_syscall_64+0xbe/0xf80
[ 206.717506][ T6634] ? __x64_sys_mount+0x20/0xc0
[ 206.717529][ T6634] do_syscall_64+0xfa/0xf80
[ 206.717550][ T6634] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 206.717568][ T6634] ? clear_bhb_loop+0x60/0xb0
[ 206.717590][ T6634] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 206.717607][ T6634] RIP: 0033:0x7f2cbef90eea
[ 206.717624][ T6634] 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
[ 206.717640][ T6634] RSP: 002b:00007fff3bdec3f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 206.717660][ T6634] RAX: ffffffffffffffda RBX: 00007fff3bdec480 RCX: 00007f2cbef90eea
[ 206.717674][ T6634] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff3bdec440
[ 206.717688][ T6634] RBP: 00002000000124c0 R08: 00007fff3bdec480 R09: 0000000000000000
[ 206.717700][ T6634] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 206.717713][ T6634] R13: 00007fff3bdec440 R14: 00000000000125c7 R15: 0000200000000180
[ 206.717744][ T6634]
[ 206.717768][ T6634] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 206.849349][ T6093] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 164ms
[ 206.851198][ T6634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 207.054653][ T6093] gfs2: fsid=syz:syz.0: jid=0: Done
[ 207.060388][ T6633] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 207.243209][ T6633] gfs2: fsid=syz:syz.0: found 1 quota changes
[ 207.362740][ T6641] loop4: detected capacity change from 0 to 32768
[ 207.396800][ T6641] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 207.404250][ T6641] CPU: 1 UID: 0 PID: 6641 Comm: syz.4.181 Not tainted syzkaller #0 PREEMPT(full)
[ 207.404275][ T6641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 207.404287][ T6641] Call Trace:
[ 207.404296][ T6641]
[ 207.404304][ T6641] dump_stack_lvl+0x189/0x250
[ 207.404333][ T6641] ? __pfx_dump_stack_lvl+0x10/0x10
[ 207.404354][ T6641] ? __pfx__printk+0x10/0x10
[ 207.404383][ T6641] ? kernfs_path_from_node+0x250/0x290
[ 207.404402][ T6641] ? kernfs_path_from_node+0x2f/0x290
[ 207.404425][ T6641] sysfs_create_dir_ns+0x259/0x280
[ 207.404447][ T6641] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 207.404468][ T6641] ? do_raw_spin_unlock+0x122/0x240
[ 207.404496][ T6641] kobject_add_internal+0x6ab/0xcc0
[ 207.404528][ T6641] kobject_init_and_add+0x125/0x190
[ 207.404555][ T6641] ? __pfx_kobject_init_and_add+0x10/0x10
[ 207.404579][ T6641] ? __raw_spin_lock_init+0x45/0x100
[ 207.404604][ T6641] ? __init_swait_queue_head+0xa9/0x150
[ 207.404631][ T6641] gfs2_sys_fs_add+0x234/0x450
[ 207.404654][ T6641] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 207.404683][ T6641] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 207.404719][ T6641] gfs2_fill_super+0x1388/0x21b0
[ 207.404757][ T6641] ? __pfx_gfs2_fill_super+0x10/0x10
[ 207.404793][ T6641] ? sb_set_blocksize+0x155/0x240
[ 207.404819][ T6641] ? setup_bdev_super+0x4c1/0x5b0
[ 207.404841][ T6641] get_tree_bdev_flags+0x40e/0x4d0
[ 207.404860][ T6641] ? __pfx_gfs2_fill_super+0x10/0x10
[ 207.404883][ T6641] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 207.404898][ T6641] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 207.404934][ T6641] gfs2_get_tree+0x51/0x1e0
[ 207.404960][ T6641] vfs_get_tree+0x92/0x2a0
[ 207.404981][ T6641] do_new_mount+0x302/0xa10
[ 207.405001][ T6641] ? apparmor_capable+0x137/0x1a0
[ 207.405026][ T6641] ? __pfx_do_new_mount+0x10/0x10
[ 207.405047][ T6641] ? ns_capable+0x8a/0xf0
[ 207.405069][ T6641] ? kmem_cache_free+0x197/0x620
[ 207.405098][ T6641] __se_sys_mount+0x313/0x410
[ 207.405126][ T6641] ? __pfx___se_sys_mount+0x10/0x10
[ 207.405151][ T6641] ? do_syscall_64+0xbe/0xf80
[ 207.405170][ T6641] ? __x64_sys_mount+0x20/0xc0
[ 207.405193][ T6641] do_syscall_64+0xfa/0xf80
[ 207.405214][ T6641] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 207.405232][ T6641] ? clear_bhb_loop+0x60/0xb0
[ 207.405254][ T6641] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 207.405275][ T6641] RIP: 0033:0x7fc628590eea
[ 207.405292][ T6641] 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
[ 207.405307][ T6641] RSP: 002b:00007fff78c4af08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 207.405327][ T6641] RAX: ffffffffffffffda RBX: 00007fff78c4af90 RCX: 00007fc628590eea
[ 207.405341][ T6641] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff78c4af50
[ 207.405353][ T6641] RBP: 00002000000124c0 R08: 00007fff78c4af90 R09: 0000000000000000
[ 207.405365][ T6641] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 207.405377][ T6641] R13: 00007fff78c4af50 R14: 00000000000125c7 R15: 0000200000000180
[ 207.405408][ T6641]
[ 207.705509][ T6641] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 207.722269][ T6641] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 208.068691][ T6646] loop0: detected capacity change from 0 to 32768
[ 208.078987][ T6646] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.086761][ T6646] CPU: 0 UID: 0 PID: 6646 Comm: syz.0.182 Not tainted syzkaller #0 PREEMPT(full)
[ 208.086775][ T6646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 208.086783][ T6646] Call Trace:
[ 208.086787][ T6646]
[ 208.086792][ T6646] dump_stack_lvl+0x189/0x250
[ 208.086812][ T6646] ? __pfx_dump_stack_lvl+0x10/0x10
[ 208.086823][ T6646] ? __pfx__printk+0x10/0x10
[ 208.086840][ T6646] ? kernfs_path_from_node+0x250/0x290
[ 208.086851][ T6646] ? kernfs_path_from_node+0x2f/0x290
[ 208.086864][ T6646] sysfs_create_dir_ns+0x259/0x280
[ 208.086876][ T6646] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 208.086887][ T6646] ? do_raw_spin_unlock+0x122/0x240
[ 208.086904][ T6646] kobject_add_internal+0x6ab/0xcc0
[ 208.086922][ T6646] kobject_init_and_add+0x125/0x190
[ 208.086946][ T6646] ? __pfx_kobject_init_and_add+0x10/0x10
[ 208.086959][ T6646] ? __raw_spin_lock_init+0x45/0x100
[ 208.086973][ T6646] ? __init_swait_queue_head+0xa9/0x150
[ 208.086988][ T6646] gfs2_sys_fs_add+0x234/0x450
[ 208.087001][ T6646] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 208.087017][ T6646] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 208.087037][ T6646] gfs2_fill_super+0x1388/0x21b0
[ 208.087059][ T6646] ? __pfx_gfs2_fill_super+0x10/0x10
[ 208.087075][ T6646] ? sb_set_blocksize+0x155/0x240
[ 208.087092][ T6646] ? setup_bdev_super+0x4c1/0x5b0
[ 208.087104][ T6646] get_tree_bdev_flags+0x40e/0x4d0
[ 208.087115][ T6646] ? __pfx_gfs2_fill_super+0x10/0x10
[ 208.087128][ T6646] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 208.087137][ T6646] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 208.087156][ T6646] gfs2_get_tree+0x51/0x1e0
[ 208.087171][ T6646] vfs_get_tree+0x92/0x2a0
[ 208.087182][ T6646] do_new_mount+0x302/0xa10
[ 208.087193][ T6646] ? apparmor_capable+0x137/0x1a0
[ 208.087207][ T6646] ? __pfx_do_new_mount+0x10/0x10
[ 208.087219][ T6646] ? ns_capable+0x8a/0xf0
[ 208.087231][ T6646] ? kmem_cache_free+0x197/0x620
[ 208.087247][ T6646] __se_sys_mount+0x313/0x410
[ 208.087262][ T6646] ? __pfx___se_sys_mount+0x10/0x10
[ 208.087276][ T6646] ? do_syscall_64+0xbe/0xf80
[ 208.087287][ T6646] ? __x64_sys_mount+0x20/0xc0
[ 208.087300][ T6646] do_syscall_64+0xfa/0xf80
[ 208.087311][ T6646] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 208.087321][ T6646] ? clear_bhb_loop+0x60/0xb0
[ 208.087333][ T6646] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 208.087343][ T6646] RIP: 0033:0x7f0cfdb90eea
[ 208.087354][ T6646] 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
[ 208.087364][ T6646] RSP: 002b:00007ffc5c048498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.087375][ T6646] RAX: ffffffffffffffda RBX: 00007ffc5c048520 RCX: 00007f0cfdb90eea
[ 208.087383][ T6646] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007ffc5c0484e0
[ 208.087403][ T6646] RBP: 00002000000124c0 R08: 00007ffc5c048520 R09: 0000000000000000
[ 208.087410][ T6646] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 208.087417][ T6646] R13: 00007ffc5c0484e0 R14: 00000000000125c7 R15: 0000200000000180
[ 208.087433][ T6646]
[ 208.087448][ T6646] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 208.406642][ T6646] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 208.704693][ T6649] loop2: detected capacity change from 0 to 32768
[ 208.714471][ T6649] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 208.722006][ T6649] CPU: 1 UID: 0 PID: 6649 Comm: syz.2.183 Not tainted syzkaller #0 PREEMPT(full)
[ 208.722029][ T6649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 208.722041][ T6649] Call Trace:
[ 208.722050][ T6649]
[ 208.722058][ T6649] dump_stack_lvl+0x189/0x250
[ 208.722084][ T6649] ? __pfx_dump_stack_lvl+0x10/0x10
[ 208.722103][ T6649] ? __pfx__printk+0x10/0x10
[ 208.722130][ T6649] ? kernfs_path_from_node+0x250/0x290
[ 208.722147][ T6649] ? kernfs_path_from_node+0x2f/0x290
[ 208.722167][ T6649] sysfs_create_dir_ns+0x259/0x280
[ 208.722187][ T6649] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 208.722206][ T6649] ? do_raw_spin_unlock+0x122/0x240
[ 208.722233][ T6649] kobject_add_internal+0x6ab/0xcc0
[ 208.722263][ T6649] kobject_init_and_add+0x125/0x190
[ 208.722289][ T6649] ? __pfx_kobject_init_and_add+0x10/0x10
[ 208.722311][ T6649] ? __raw_spin_lock_init+0x45/0x100
[ 208.722333][ T6649] ? __init_swait_queue_head+0xa9/0x150
[ 208.722357][ T6649] gfs2_sys_fs_add+0x234/0x450
[ 208.722377][ T6649] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 208.722404][ T6649] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 208.722438][ T6649] gfs2_fill_super+0x1388/0x21b0
[ 208.722475][ T6649] ? __pfx_gfs2_fill_super+0x10/0x10
[ 208.722503][ T6649] ? sb_set_blocksize+0x155/0x240
[ 208.722528][ T6649] ? setup_bdev_super+0x4c1/0x5b0
[ 208.722548][ T6649] get_tree_bdev_flags+0x40e/0x4d0
[ 208.722566][ T6649] ? __pfx_gfs2_fill_super+0x10/0x10
[ 208.722588][ T6649] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 208.722604][ T6649] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 208.722645][ T6649] gfs2_get_tree+0x51/0x1e0
[ 208.722671][ T6649] vfs_get_tree+0x92/0x2a0
[ 208.722691][ T6649] do_new_mount+0x302/0xa10
[ 208.722710][ T6649] ? apparmor_capable+0x137/0x1a0
[ 208.722734][ T6649] ? __pfx_do_new_mount+0x10/0x10
[ 208.722754][ T6649] ? ns_capable+0x8a/0xf0
[ 208.722773][ T6649] ? kmem_cache_free+0x197/0x620
[ 208.722802][ T6649] __se_sys_mount+0x313/0x410
[ 208.722828][ T6649] ? __pfx___se_sys_mount+0x10/0x10
[ 208.722852][ T6649] ? do_syscall_64+0xbe/0xf80
[ 208.722869][ T6649] ? __x64_sys_mount+0x20/0xc0
[ 208.722891][ T6649] do_syscall_64+0xfa/0xf80
[ 208.722912][ T6649] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 208.722930][ T6649] ? clear_bhb_loop+0x60/0xb0
[ 208.722952][ T6649] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 208.722969][ T6649] RIP: 0033:0x7f46b4190eea
[ 208.722986][ T6649] 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
[ 208.723003][ T6649] RSP: 002b:00007fff654abbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 208.723023][ T6649] RAX: ffffffffffffffda RBX: 00007fff654abc50 RCX: 00007f46b4190eea
[ 208.723035][ T6649] RDX: 00002000000124c0 RSI: 00002000000001c0 RDI: 00007fff654abc10
[ 208.723049][ T6649] RBP: 00002000000124c0 R08: 00007fff654abc50 R09: 0000000000000000
[ 208.723061][ T6649] R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
[ 208.723073][ T6649] R13: 00007fff654abc10 R14: 00000000000125c7 R15: 0000200000000180
[ 208.723101][ T6649]
[ 208.723127][ T6649] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 209.045301][ T6649] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 209.150496][ T5963] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402
[ 209.165699][ T5963] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
[ 209.175949][ T5963] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:5963 [syz-executor] gfs2_quota_sync+0x359/0x460
[ 209.187270][ T5963] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
[ 209.195532][ T5963] CPU: 0 UID: 0 PID: 5963 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 209.195548][ T5963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 209.195556][ T5963] Call Trace:
[ 209.195562][ T5963]
[ 209.195568][ T5963] dump_stack_lvl+0x189/0x250
[ 209.195587][ T5963] ? __pfx_dump_stack_lvl+0x10/0x10
[ 209.195600][ T5963] ? queue_delayed_work_on+0x11a/0x280
[ 209.195612][ T5963] ? lockdep_hardirqs_on+0x98/0x140
[ 209.195624][ T5963] ? preempt_schedule+0xae/0xc0
[ 209.195640][ T5963] gfs2_withdraw+0xc3/0x1b0
[ 209.195654][ T5963] inode_go_instantiate+0xdd0/0x1210
[ 209.195673][ T5963] ? __pfx_inode_go_instantiate+0x10/0x10
[ 209.195688][ T5963] ? gfs2_glock_nq+0xedd/0x15f0
[ 209.195705][ T5963] gfs2_instantiate+0x168/0x220
[ 209.195720][ T5963] gfs2_glock_wait+0x1d4/0x2a0
[ 209.195736][ T5963] do_sync+0x46f/0xc60
[ 209.195747][ T5963] ? _raw_spin_unlock+0x28/0x50
[ 209.195762][ T5963] ? gfs2_quota_sync+0x359/0x460
[ 209.195787][ T5963] ? __pfx_do_sync+0x10/0x10
[ 209.195817][ T5963] ? gfs2_quota_sync+0x359/0x460
[ 209.195838][ T5963] ? do_raw_spin_unlock+0x122/0x240
[ 209.195864][ T5963] gfs2_quota_sync+0x359/0x460
[ 209.195892][ T5963] gfs2_sync_fs+0x4c/0xb0
[ 209.195913][ T5963] sync_filesystem+0xee/0x230
[ 209.195940][ T5963] generic_shutdown_super+0x6f/0x2c0
[ 209.195970][ T5963] kill_block_super+0x44/0x90
[ 209.195990][ T5963] deactivate_locked_super+0xbc/0x130
[ 209.196017][ T5963] cleanup_mnt+0x425/0x4c0
[ 209.196040][ T5963] ? lockdep_hardirqs_on+0x98/0x140
[ 209.196059][ T5963] task_work_run+0x1d4/0x260
[ 209.196083][ T5963] ? __pfx_task_work_run+0x10/0x10
[ 209.196108][ T5963] ? exit_to_user_mode_loop+0x55/0x4f0
[ 209.196129][ T5963] exit_to_user_mode_loop+0xff/0x4f0
[ 209.196144][ T5963] ? rcu_is_watching+0x15/0xb0
[ 209.196169][ T5963] do_syscall_64+0x2e3/0xf80
[ 209.196187][ T5963] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 209.196204][ T5963] ? clear_bhb_loop+0x60/0xb0
[ 209.196226][ T5963] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 209.196243][ T5963] RIP: 0033:0x7f555fd90a77
[ 209.196260][ T5963] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[ 209.196277][ T5963] RSP: 002b:00007ffcb481b1c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 209.196296][ T5963] RAX: 0000000000000000 RBX: 00007f555fe13d7d RCX: 00007f555fd90a77
[ 209.196310][ T5963] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcb481b280
[ 209.196322][ T5963] RBP: 00007ffcb481b280 R08: 0000000000000000 R09: 0000000000000000
[ 209.196334][ T5963] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcb481c310
[ 209.196346][ T5963] R13: 00007f555fe13d7d R14: 0000000000032986 R15: 00007ffcb481c350
[ 209.196379][ T5963]
[ 209.484308][ T5963] gfs2: fsid=syz:syz.0: about to withdraw this file system
[ 209.491874][ T5963] ==================================================================
[ 209.499972][ T5963] BUG: KASAN: slab-use-after-free in __list_add_valid_or_report+0x6a/0x130
[ 209.508594][ T5963] Read of size 8 at addr ffff88805c66c318 by task syz-executor/5963
[ 209.516586][ T5963]
[ 209.518917][ T5963] CPU: 0 UID: 0 PID: 5963 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 209.518940][ T5963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 209.518952][ T5963] Call Trace:
[ 209.518960][ T5963]
[ 209.518968][ T5963] dump_stack_lvl+0x189/0x250
[ 209.518993][ T5963] ? __virt_addr_valid+0x1c8/0x5c0
[ 209.519017][ T5963] ? rcu_is_watching+0x15/0xb0
[ 209.519037][ T5963] ? __pfx_dump_stack_lvl+0x10/0x10
[ 209.519057][ T5963] ? rcu_is_watching+0x15/0xb0
[ 209.519076][ T5963] ? lock_release+0x4b/0x3b0
[ 209.519093][ T5963] ? _raw_spin_lock_irqsave+0xb3/0xf0
[ 209.519113][ T5963] ? __virt_addr_valid+0x1c8/0x5c0
[ 209.519134][ T5963] ? __virt_addr_valid+0x4a5/0x5c0
[ 209.519156][ T5963] print_report+0xca/0x240
[ 209.519174][ T5963] ? __list_add_valid_or_report+0x6a/0x130
[ 209.519192][ T5963] kasan_report+0x118/0x150
[ 209.519213][ T5963] ? __list_add_valid_or_report+0x6a/0x130
[ 209.519234][ T5963] __list_add_valid_or_report+0x6a/0x130
[ 209.519254][ T5963] list_lru_add+0xf2/0x270
[ 209.519275][ T5963] qd_put+0x114/0x190
[ 209.519296][ T5963] gfs2_quota_sync+0x3c4/0x460
[ 209.519318][ T5963] gfs2_sync_fs+0x4c/0xb0
[ 209.519336][ T5963] sync_filesystem+0xee/0x230
[ 209.519360][ T5963] generic_shutdown_super+0x6f/0x2c0
[ 209.519386][ T5963] kill_block_super+0x44/0x90
[ 209.519404][ T5963] deactivate_locked_super+0xbc/0x130
[ 209.519428][ T5963] cleanup_mnt+0x425/0x4c0
[ 209.519452][ T5963] ? lockdep_hardirqs_on+0x98/0x140
[ 209.519473][ T5963] task_work_run+0x1d4/0x260
[ 209.519497][ T5963] ? __pfx_task_work_run+0x10/0x10
[ 209.519522][ T5963] ? exit_to_user_mode_loop+0x55/0x4f0
[ 209.519542][ T5963] exit_to_user_mode_loop+0xff/0x4f0
[ 209.519560][ T5963] ? rcu_is_watching+0x15/0xb0
[ 209.519582][ T5963] do_syscall_64+0x2e3/0xf80
[ 209.519602][ T5963] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 209.519620][ T5963] ? clear_bhb_loop+0x60/0xb0
[ 209.519639][ T5963] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 209.519656][ T5963] RIP: 0033:0x7f555fd90a77
[ 209.519673][ T5963] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[ 209.519689][ T5963] RSP: 002b:00007ffcb481b1c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 209.519710][ T5963] RAX: 0000000000000000 RBX: 00007f555fe13d7d RCX: 00007f555fd90a77
[ 209.519723][ T5963] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcb481b280
[ 209.519735][ T5963] RBP: 00007ffcb481b280 R08: 0000000000000000 R09: 0000000000000000
[ 209.519754][ T5963] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcb481c310
[ 209.519766][ T5963] R13: 00007f555fe13d7d R14: 0000000000032986 R15: 00007ffcb481c350
[ 209.519788][ T5963]
[ 209.519795][ T5963]
[ 209.786914][ T5963] Allocated by task 6566:
[ 209.791237][ T5963] kasan_save_track+0x3e/0x80
[ 209.795918][ T5963] __kasan_slab_alloc+0x6c/0x80
[ 209.800773][ T5963] kmem_cache_alloc_noprof+0x37d/0x710
[ 209.806406][ T5963] qd_alloc+0x50/0x250
[ 209.810471][ T5963] gfs2_quota_init+0x762/0x1200
[ 209.815317][ T5963] gfs2_make_fs_rw+0x143/0x220
[ 209.820075][ T5963] gfs2_fill_super+0x1b6a/0x21b0
[ 209.822901][ T6652] loop1: detected capacity change from 0 to 32768
[ 209.825083][ T5963] get_tree_bdev_flags+0x40e/0x4d0
[ 209.836579][ T5963] gfs2_get_tree+0x51/0x1e0
[ 209.841091][ T5963] vfs_get_tree+0x92/0x2a0
[ 209.845506][ T5963] do_new_mount+0x302/0xa10
[ 209.850001][ T5963] __se_sys_mount+0x313/0x410
[ 209.854680][ T5963] do_syscall_64+0xfa/0xf80
[ 209.859179][ T5963] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 209.865080][ T5963]
[ 209.867404][ T5963] Freed by task 23:
[ 209.871195][ T5963] kasan_save_track+0x3e/0x80
[ 209.875860][ T5963] kasan_save_free_info+0x46/0x50
[ 209.880871][ T5963] __kasan_slab_free+0x5c/0x80
[ 209.885618][ T5963] kmem_cache_free+0x197/0x620
[ 209.890371][ T5963] gfs2_qd_dealloc+0x70/0xe0
[ 209.894952][ T5963] rcu_core+0xd70/0x1870
[ 209.899178][ T5963] handle_softirqs+0x27d/0x850
[ 209.903922][ T5963] run_ksoftirqd+0x9b/0x100
[ 209.908409][ T5963] smpboot_thread_fn+0x542/0xa60
[ 209.913334][ T5963] kthread+0x711/0x8a0
[ 209.917388][ T5963] ret_from_fork+0x599/0xb30
[ 209.921958][ T5963] ret_from_fork_asm+0x1a/0x30
[ 209.926708][ T5963]
[ 209.929015][ T5963] Last potentially related work creation:
[ 209.934710][ T5963] kasan_save_stack+0x3e/0x60
[ 209.939375][ T5963] kasan_record_aux_stack+0xbd/0xd0
[ 209.944561][ T5963] call_rcu+0x157/0x9c0
[ 209.948714][ T5963] gfs2_quota_sync+0x30c/0x460
[ 209.953461][ T5963] gfs2_sync_fs+0x4c/0xb0
[ 209.957772][ T5963] sync_filesystem+0xee/0x230
[ 209.962440][ T5963] generic_shutdown_super+0x6f/0x2c0
[ 209.967714][ T5963] kill_block_super+0x44/0x90
[ 209.972373][ T5963] deactivate_locked_super+0xbc/0x130
[ 209.977731][ T5963] cleanup_mnt+0x425/0x4c0
[ 209.982138][ T5963] task_work_run+0x1d4/0x260
[ 209.986713][ T5963] exit_to_user_mode_loop+0xff/0x4f0
[ 209.991980][ T5963] do_syscall_64+0x2e3/0xf80
[ 209.996555][ T5963] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 210.002442][ T5963]
[ 210.004759][ T5963] The buggy address belongs to the object at ffff88805c66c2a0
[ 210.004759][ T5963] which belongs to the cache gfs2_quotad of size 272
[ 210.018801][ T5963] The buggy address is located 120 bytes inside of
[ 210.018801][ T5963] freed 272-byte region [ffff88805c66c2a0, ffff88805c66c3b0)
[ 210.032590][ T5963]
[ 210.034904][ T5963] The buggy address belongs to the physical page:
[ 210.041394][ T5963] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff88805c66c150 pfn:0x5c66c
[ 210.051445][ T5963] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
[ 210.058546][ T5963] page_type: f5(slab)
[ 210.062544][ T5963] raw: 00fff00000000000 ffff88801cb95500 dead000000000122 0000000000000000
[ 210.071139][ T5963] raw: ffff88805c66c150 00000000800c000a 00000000f5000000 0000000000000000
[ 210.079713][ T5963] page dumped because: kasan: bad access detected
[ 210.086118][ T5963] page_owner tracks the page as allocated
[ 210.091824][ T5963] page last allocated via order 0, migratetype Reclaimable, gfp_mask 0x52c50(GFP_NOFS|__GFP_RECLAIMABLE|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 6253, tgid 6253 (syz.4.56), ts 126949170470, free_ts 81605795000
[ 210.112481][ T5963] post_alloc_hook+0x234/0x290
[ 210.117247][ T5963] get_page_from_freelist+0x2365/0x2440
[ 210.122792][ T5963] __alloc_frozen_pages_noprof+0x181/0x370
[ 210.128587][ T5963] alloc_pages_mpol+0x232/0x4a0
[ 210.133427][ T5963] allocate_slab+0x86/0x3b0
[ 210.137923][ T5963] ___slab_alloc+0xf2b/0x1960
[ 210.142587][ T5963] __slab_alloc+0x65/0x100
[ 210.147004][ T5963] kmem_cache_alloc_noprof+0x40f/0x710
[ 210.152454][ T5963] qd_alloc+0x50/0x250
[ 210.156509][ T5963] gfs2_quota_init+0x762/0x1200
[ 210.161344][ T5963] gfs2_make_fs_rw+0x143/0x220
[ 210.166093][ T5963] gfs2_fill_super+0x1b6a/0x21b0
[ 210.171022][ T5963] get_tree_bdev_flags+0x40e/0x4d0
[ 210.176130][ T5963] gfs2_get_tree+0x51/0x1e0
[ 210.180632][ T5963] vfs_get_tree+0x92/0x2a0
[ 210.185037][ T5963] do_new_mount+0x302/0xa10
[ 210.189529][ T5963] page last free pid 5879 tgid 5879 stack trace:
[ 210.195844][ T5963] __free_frozen_pages+0xbc8/0xd30
[ 210.200958][ T5963] vfree+0x25a/0x400
[ 210.204871][ T5963] kcov_close+0x28/0x50
[ 210.209017][ T5963] __fput+0x44c/0xa70
[ 210.212997][ T5963] task_work_run+0x1d4/0x260
[ 210.217574][ T5963] do_exit+0x6c5/0x2310
[ 210.221718][ T5963] do_group_exit+0x21c/0x2d0
[ 210.226294][ T5963] get_signal+0x1285/0x1340
[ 210.230780][ T5963] arch_do_signal_or_restart+0x9a/0x7a0
[ 210.236313][ T5963] exit_to_user_mode_loop+0x87/0x4f0
[ 210.241581][ T5963] do_syscall_64+0x2e3/0xf80
[ 210.246153][ T5963] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 210.252032][ T5963]
[ 210.254350][ T5963] Memory state around the buggy address:
[ 210.259984][ T5963] ffff88805c66c200: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
[ 210.268058][ T5963] ffff88805c66c280: fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb
[ 210.276118][ T5963] >ffff88805c66c300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 210.284173][ T5963] ^
[ 210.289004][ T5963] ffff88805c66c380: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fa fb
[ 210.297063][ T5963] ffff88805c66c400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 210.305106][ T5963] ==================================================================
[ 210.317980][ T5963] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 210.325199][ T5963] CPU: 0 UID: 0 PID: 5963 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full)
[ 210.334667][ T5963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 210.344727][ T5963] Call Trace:
[ 210.348089][ T5963]
[ 210.351006][ T5963] dump_stack_lvl+0x99/0x250
[ 210.355590][ T5963] ? __asan_memcpy+0x40/0x70
[ 210.360174][ T5963] ? __pfx_dump_stack_lvl+0x10/0x10
[ 210.365359][ T5963] ? __pfx__printk+0x10/0x10
[ 210.369941][ T5963] vpanic+0x237/0x6d0
[ 210.373920][ T5963] ? __pfx_vpanic+0x10/0x10
[ 210.378427][ T5963] panic+0xb9/0xc0
[ 210.382141][ T5963] ? __pfx_panic+0x10/0x10
[ 210.386543][ T5963] ? _raw_spin_unlock_irqrestore+0xa8/0x110
[ 210.392489][ T5963] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 210.398380][ T5963] ? is_module_address+0x17/0xf0
[ 210.403390][ T5963] ? __list_add_valid_or_report+0x6a/0x130
[ 210.409192][ T5963] check_panic_on_warn+0x89/0xb0
[ 210.414169][ T5963] ? __list_add_valid_or_report+0x6a/0x130
[ 210.419981][ T5963] end_report+0x6f/0x140
[ 210.424223][ T5963] kasan_report+0x129/0x150
[ 210.428723][ T5963] ? __list_add_valid_or_report+0x6a/0x130
[ 210.434537][ T5963] __list_add_valid_or_report+0x6a/0x130
[ 210.440246][ T5963] list_lru_add+0xf2/0x270
[ 210.444655][ T5963] qd_put+0x114/0x190
[ 210.448628][ T5963] gfs2_quota_sync+0x3c4/0x460
[ 210.453383][ T5963] gfs2_sync_fs+0x4c/0xb0
[ 210.457702][ T5963] sync_filesystem+0xee/0x230
[ 210.462378][ T5963] generic_shutdown_super+0x6f/0x2c0
[ 210.467680][ T5963] kill_block_super+0x44/0x90
[ 210.472347][ T5963] deactivate_locked_super+0xbc/0x130
[ 210.477721][ T5963] cleanup_mnt+0x425/0x4c0
[ 210.482143][ T5963] ? lockdep_hardirqs_on+0x98/0x140
[ 210.487335][ T5963] task_work_run+0x1d4/0x260
[ 210.491929][ T5963] ? __pfx_task_work_run+0x10/0x10
[ 210.497033][ T5963] ? exit_to_user_mode_loop+0x55/0x4f0
[ 210.502559][ T5963] exit_to_user_mode_loop+0xff/0x4f0
[ 210.507850][ T5963] ? rcu_is_watching+0x15/0xb0
[ 210.512624][ T5963] do_syscall_64+0x2e3/0xf80
[ 210.517222][ T5963] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 210.523290][ T5963] ? clear_bhb_loop+0x60/0xb0
[ 210.527968][ T5963] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 210.533856][ T5963] RIP: 0033:0x7f555fd90a77
[ 210.538261][ T5963] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
[ 210.557858][ T5963] RSP: 002b:00007ffcb481b1c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 210.566262][ T5963] RAX: 0000000000000000 RBX: 00007f555fe13d7d RCX: 00007f555fd90a77
[ 210.574219][ T5963] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcb481b280
[ 210.582176][ T5963] RBP: 00007ffcb481b280 R08: 0000000000000000 R09: 0000000000000000
[ 210.590136][ T5963] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcb481c310
[ 210.598094][ T5963] R13: 00007f555fe13d7d R14: 0000000000032986 R15: 00007ffcb481c350
[ 210.606060][ T5963]
[ 210.609489][ T5963] Kernel Offset: disabled
[ 210.613810][ T5963] Rebooting in 86400 seconds..