044] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 269.711530][ T7044] gfs2_fill_super+0x13c0/0x20d0 [ 269.711583][ T7044] ? __pfx_gfs2_fill_super+0x10/0x10 [ 269.711614][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.711649][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.711677][ T7044] ? sb_set_blocksize+0x104/0x180 [ 269.711716][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.711744][ T7044] ? setup_bdev_super+0x4c1/0x5b0 [ 269.711782][ T7044] get_tree_bdev_flags+0x40e/0x4d0 [ 269.711821][ T7044] ? __pfx_gfs2_fill_super+0x10/0x10 [ 269.711855][ T7044] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 269.711893][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.711930][ T7044] gfs2_get_tree+0x51/0x1e0 [ 269.711967][ T7044] vfs_get_tree+0x92/0x2b0 [ 269.712003][ T7044] do_new_mount+0x2a2/0x9e0 [ 269.712044][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.712072][ T7044] ? ns_capable+0x8a/0xf0 [ 269.712095][ T7044] ? __pfx_do_new_mount+0x10/0x10 [ 269.712130][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.712157][ T7044] ? path_mount+0x61c/0xfe0 [ 269.712190][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.712231][ T7044] __se_sys_mount+0x317/0x410 [ 269.712276][ T7044] ? __pfx___se_sys_mount+0x10/0x10 [ 269.712312][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.712349][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.712377][ T7044] ? __x64_sys_mount+0x20/0xc0 [ 269.712418][ T7044] do_syscall_64+0xfa/0x3b0 [ 269.712441][ T7044] ? lockdep_hardirqs_on+0x9c/0x150 [ 269.712487][ T7044] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 269.712511][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5 [ 269.712540][ T7044] ? exc_page_fault+0x9f/0xf0 [ 269.712579][ T7044] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 269.712603][ T7044] RIP: 0033:0x7fab0039038a [ 269.712625][ T7044] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 269.712647][ T7044] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 269.712673][ T7044] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 269.712693][ T7044] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 269.712712][ T7044] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 269.712729][ T7044] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 269.712745][ T7044] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 269.712782][ T7044] [ 270.087044][ T7044] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 270.101235][ T7044] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 270.193561][ T7044] loop1: detected capacity change from 32768 to 64 2025/08/30 11:22:32 executed programs: 118 [ 270.627529][ T7048] loop1: detected capacity change from 0 to 32768 [ 270.653699][ T7048] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 270.661112][ T7048] CPU: 1 UID: 0 PID: 7048 Comm: syz.1.133 Not tainted syzkaller #0 PREEMPT(full) [ 270.661141][ T7048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 270.661156][ T7048] Call Trace: [ 270.661167][ T7048] [ 270.661178][ T7048] dump_stack_lvl+0x189/0x250 [ 270.661217][ T7048] ? __pfx_dump_stack_lvl+0x10/0x10 [ 270.661248][ T7048] ? __pfx__printk+0x10/0x10 [ 270.661289][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.661318][ T7048] ? kernfs_path_from_node+0x250/0x290 [ 270.661345][ T7048] ? kernfs_path_from_node+0x2f/0x290 [ 270.661378][ T7048] sysfs_create_dir_ns+0x259/0x280 [ 270.661408][ T7048] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 270.661438][ T7048] ? do_raw_spin_unlock+0x122/0x240 [ 270.661475][ T7048] kobject_add_internal+0x59f/0xb40 [ 270.661513][ T7048] kobject_init_and_add+0x125/0x190 [ 270.661545][ T7048] ? __pfx_kobject_init_and_add+0x10/0x10 [ 270.661571][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.661600][ T7048] ? __raw_spin_lock_init+0x45/0x100 [ 270.661631][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.661659][ T7048] ? __init_swait_queue_head+0xa9/0x150 [ 270.661694][ T7048] gfs2_sys_fs_add+0x234/0x450 [ 270.661729][ T7048] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 270.661763][ T7048] ? is_dynamic_key+0xd6/0x1c0 [ 270.661801][ T7048] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 270.661852][ T7048] gfs2_fill_super+0x13c0/0x20d0 [ 270.661907][ T7048] ? __pfx_gfs2_fill_super+0x10/0x10 [ 270.661939][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.661974][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.662002][ T7048] ? sb_set_blocksize+0x104/0x180 [ 270.662041][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.662069][ T7048] ? setup_bdev_super+0x4c1/0x5b0 [ 270.662108][ T7048] get_tree_bdev_flags+0x40e/0x4d0 [ 270.662142][ T7048] ? __pfx_gfs2_fill_super+0x10/0x10 [ 270.662177][ T7048] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 270.662215][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.662252][ T7048] gfs2_get_tree+0x51/0x1e0 [ 270.662289][ T7048] vfs_get_tree+0x92/0x2b0 [ 270.662327][ T7048] do_new_mount+0x2a2/0x9e0 [ 270.662367][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.662396][ T7048] ? ns_capable+0x8a/0xf0 [ 270.662420][ T7048] ? __pfx_do_new_mount+0x10/0x10 [ 270.662455][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.662483][ T7048] ? path_mount+0x61c/0xfe0 [ 270.662517][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.662559][ T7048] __se_sys_mount+0x317/0x410 [ 270.662605][ T7048] ? __pfx___se_sys_mount+0x10/0x10 [ 270.662640][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.662676][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.662708][ T7048] ? __x64_sys_mount+0x20/0xc0 [ 270.662749][ T7048] do_syscall_64+0xfa/0x3b0 [ 270.662772][ T7048] ? lockdep_hardirqs_on+0x9c/0x150 [ 270.662808][ T7048] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 270.662832][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5 [ 270.662860][ T7048] ? exc_page_fault+0x9f/0xf0 [ 270.662898][ T7048] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 270.662922][ T7048] RIP: 0033:0x7fab0039038a [ 270.662944][ T7048] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 270.662966][ T7048] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 270.662992][ T7048] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 270.663011][ T7048] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 270.663029][ T7048] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 270.663046][ T7048] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 270.663062][ T7048] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 270.663100][ T7048] [ 271.037886][ T7048] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 271.052614][ T7048] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 271.568970][ T7052] loop1: detected capacity change from 0 to 32768 [ 271.581656][ T7052] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 271.589712][ T7052] CPU: 0 UID: 0 PID: 7052 Comm: syz.1.134 Not tainted syzkaller #0 PREEMPT(full) [ 271.589741][ T7052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 271.589757][ T7052] Call Trace: [ 271.589767][ T7052] [ 271.589778][ T7052] dump_stack_lvl+0x189/0x250 [ 271.589816][ T7052] ? __pfx_dump_stack_lvl+0x10/0x10 [ 271.589847][ T7052] ? __pfx__printk+0x10/0x10 [ 271.589888][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.589916][ T7052] ? kernfs_path_from_node+0x250/0x290 [ 271.589944][ T7052] ? kernfs_path_from_node+0x2f/0x290 [ 271.589976][ T7052] sysfs_create_dir_ns+0x259/0x280 [ 271.590007][ T7052] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 271.590036][ T7052] ? do_raw_spin_unlock+0x122/0x240 [ 271.590074][ T7052] kobject_add_internal+0x59f/0xb40 [ 271.590110][ T7052] kobject_init_and_add+0x125/0x190 [ 271.590142][ T7052] ? __pfx_kobject_init_and_add+0x10/0x10 [ 271.590169][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.590197][ T7052] ? __raw_spin_lock_init+0x45/0x100 [ 271.590230][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.590257][ T7052] ? __init_swait_queue_head+0xa9/0x150 [ 271.590292][ T7052] gfs2_sys_fs_add+0x234/0x450 [ 271.590322][ T7052] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 271.590357][ T7052] ? is_dynamic_key+0xd6/0x1c0 [ 271.590392][ T7052] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 271.590442][ T7052] gfs2_fill_super+0x13c0/0x20d0 [ 271.590501][ T7052] ? __pfx_gfs2_fill_super+0x10/0x10 [ 271.590532][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.590567][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.590595][ T7052] ? sb_set_blocksize+0x104/0x180 [ 271.590633][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.590661][ T7052] ? setup_bdev_super+0x4c1/0x5b0 [ 271.590700][ T7052] get_tree_bdev_flags+0x40e/0x4d0 [ 271.590734][ T7052] ? __pfx_gfs2_fill_super+0x10/0x10 [ 271.590769][ T7052] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 271.590807][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.590844][ T7052] gfs2_get_tree+0x51/0x1e0 [ 271.590882][ T7052] vfs_get_tree+0x92/0x2b0 [ 271.590919][ T7052] do_new_mount+0x2a2/0x9e0 [ 271.590959][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.590987][ T7052] ? ns_capable+0x8a/0xf0 [ 271.591011][ T7052] ? __pfx_do_new_mount+0x10/0x10 [ 271.591046][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.591079][ T7052] ? path_mount+0x61c/0xfe0 [ 271.591113][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.591155][ T7052] __se_sys_mount+0x317/0x410 [ 271.591199][ T7052] ? __pfx___se_sys_mount+0x10/0x10 [ 271.591235][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.591271][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.591299][ T7052] ? __x64_sys_mount+0x20/0xc0 [ 271.591339][ T7052] do_syscall_64+0xfa/0x3b0 [ 271.591361][ T7052] ? lockdep_hardirqs_on+0x9c/0x150 [ 271.591397][ T7052] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 271.591420][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5 [ 271.591448][ T7052] ? exc_page_fault+0x9f/0xf0 [ 271.591518][ T7052] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 271.591542][ T7052] RIP: 0033:0x7fab0039038a [ 271.591563][ T7052] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 271.591585][ T7052] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 271.591611][ T7052] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 271.591630][ T7052] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 271.591649][ T7052] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 271.591666][ T7052] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 271.591682][ T7052] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 271.591719][ T7052] [ 271.591746][ T7052] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 271.980752][ T7052] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 272.434087][ T7056] loop1: detected capacity change from 0 to 32768 [ 272.443254][ T5890] Bluetooth: hci0: command 0x0406 tx timeout [ 272.454222][ T7056] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 272.461966][ T7056] CPU: 1 UID: 0 PID: 7056 Comm: syz.1.135 Not tainted syzkaller #0 PREEMPT(full) [ 272.461995][ T7056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 272.462011][ T7056] Call Trace: [ 272.462021][ T7056] [ 272.462040][ T7056] dump_stack_lvl+0x189/0x250 [ 272.462078][ T7056] ? __pfx_dump_stack_lvl+0x10/0x10 [ 272.462109][ T7056] ? __pfx__printk+0x10/0x10 [ 272.462151][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.462180][ T7056] ? kernfs_path_from_node+0x250/0x290 [ 272.462208][ T7056] ? kernfs_path_from_node+0x2f/0x290 [ 272.462240][ T7056] sysfs_create_dir_ns+0x259/0x280 [ 272.462269][ T7056] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 272.462299][ T7056] ? do_raw_spin_unlock+0x122/0x240 [ 272.462338][ T7056] kobject_add_internal+0x59f/0xb40 [ 272.462375][ T7056] kobject_init_and_add+0x125/0x190 [ 272.462408][ T7056] ? __pfx_kobject_init_and_add+0x10/0x10 [ 272.462435][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.462463][ T7056] ? __raw_spin_lock_init+0x45/0x100 [ 272.462495][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.462524][ T7056] ? __init_swait_queue_head+0xa9/0x150 [ 272.462560][ T7056] gfs2_sys_fs_add+0x234/0x450 [ 272.462590][ T7056] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 272.462625][ T7056] ? is_dynamic_key+0xd6/0x1c0 [ 272.462662][ T7056] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 272.462732][ T7056] gfs2_fill_super+0x13c0/0x20d0 [ 272.462786][ T7056] ? __pfx_gfs2_fill_super+0x10/0x10 [ 272.462819][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.462854][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.462882][ T7056] ? sb_set_blocksize+0x104/0x180 [ 272.462921][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.462949][ T7056] ? setup_bdev_super+0x4c1/0x5b0 [ 272.462988][ T7056] get_tree_bdev_flags+0x40e/0x4d0 [ 272.463023][ T7056] ? __pfx_gfs2_fill_super+0x10/0x10 [ 272.463058][ T7056] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 272.463097][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.463135][ T7056] gfs2_get_tree+0x51/0x1e0 [ 272.463175][ T7056] vfs_get_tree+0x92/0x2b0 [ 272.463213][ T7056] do_new_mount+0x2a2/0x9e0 [ 272.463254][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.463283][ T7056] ? ns_capable+0x8a/0xf0 [ 272.463308][ T7056] ? __pfx_do_new_mount+0x10/0x10 [ 272.463343][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.463372][ T7056] ? path_mount+0x61c/0xfe0 [ 272.463406][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.463448][ T7056] __se_sys_mount+0x317/0x410 [ 272.463493][ T7056] ? __pfx___se_sys_mount+0x10/0x10 [ 272.463529][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.463566][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.463594][ T7056] ? __x64_sys_mount+0x20/0xc0 [ 272.463635][ T7056] do_syscall_64+0xfa/0x3b0 [ 272.463657][ T7056] ? lockdep_hardirqs_on+0x9c/0x150 [ 272.463694][ T7056] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 272.463728][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5 [ 272.463757][ T7056] ? exc_page_fault+0x9f/0xf0 [ 272.463797][ T7056] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 272.463822][ T7056] RIP: 0033:0x7fab0039038a [ 272.463844][ T7056] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 272.463866][ T7056] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 272.463893][ T7056] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 272.463913][ T7056] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 272.463931][ T7056] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 272.463948][ T7056] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 272.463965][ T7056] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 272.464003][ T7056] [ 272.464030][ T7056] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 272.849989][ T7056] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 273.287580][ T7061] loop1: detected capacity change from 0 to 32768 [ 273.302797][ T7061] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 273.310176][ T7061] CPU: 1 UID: 0 PID: 7061 Comm: syz.1.136 Not tainted syzkaller #0 PREEMPT(full) [ 273.310204][ T7061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 273.310220][ T7061] Call Trace: [ 273.310230][ T7061] [ 273.310241][ T7061] dump_stack_lvl+0x189/0x250 [ 273.310279][ T7061] ? __pfx_dump_stack_lvl+0x10/0x10 [ 273.310310][ T7061] ? __pfx__printk+0x10/0x10 [ 273.310352][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.310381][ T7061] ? kernfs_path_from_node+0x250/0x290 [ 273.310409][ T7061] ? kernfs_path_from_node+0x2f/0x290 [ 273.310441][ T7061] sysfs_create_dir_ns+0x259/0x280 [ 273.310472][ T7061] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 273.310502][ T7061] ? do_raw_spin_unlock+0x122/0x240 [ 273.310540][ T7061] kobject_add_internal+0x59f/0xb40 [ 273.310577][ T7061] kobject_init_and_add+0x125/0x190 [ 273.310609][ T7061] ? __pfx_kobject_init_and_add+0x10/0x10 [ 273.310636][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.310664][ T7061] ? __raw_spin_lock_init+0x45/0x100 [ 273.310696][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.310732][ T7061] ? __init_swait_queue_head+0xa9/0x150 [ 273.310767][ T7061] gfs2_sys_fs_add+0x234/0x450 [ 273.310798][ T7061] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 273.310831][ T7061] ? is_dynamic_key+0xd6/0x1c0 [ 273.310867][ T7061] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 273.310918][ T7061] gfs2_fill_super+0x13c0/0x20d0 [ 273.310971][ T7061] ? __pfx_gfs2_fill_super+0x10/0x10 [ 273.311003][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.311038][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.311066][ T7061] ? sb_set_blocksize+0x104/0x180 [ 273.311106][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.311134][ T7061] ? setup_bdev_super+0x4c1/0x5b0 [ 273.311173][ T7061] get_tree_bdev_flags+0x40e/0x4d0 [ 273.311213][ T7061] ? __pfx_gfs2_fill_super+0x10/0x10 [ 273.311248][ T7061] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 273.311286][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.311324][ T7061] gfs2_get_tree+0x51/0x1e0 [ 273.311363][ T7061] vfs_get_tree+0x92/0x2b0 [ 273.311402][ T7061] do_new_mount+0x2a2/0x9e0 [ 273.311443][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.311470][ T7061] ? ns_capable+0x8a/0xf0 [ 273.311494][ T7061] ? __pfx_do_new_mount+0x10/0x10 [ 273.311530][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.311558][ T7061] ? path_mount+0x61c/0xfe0 [ 273.311593][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.311635][ T7061] __se_sys_mount+0x317/0x410 [ 273.311680][ T7061] ? __pfx___se_sys_mount+0x10/0x10 [ 273.311722][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.311758][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.311790][ T7061] ? __x64_sys_mount+0x20/0xc0 [ 273.311832][ T7061] do_syscall_64+0xfa/0x3b0 [ 273.311854][ T7061] ? lockdep_hardirqs_on+0x9c/0x150 [ 273.311889][ T7061] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 273.311913][ T7061] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.311941][ T7061] ? exc_page_fault+0x9f/0xf0 [ 273.311980][ T7061] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 273.312004][ T7061] RIP: 0033:0x7fab0039038a [ 273.312026][ T7061] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 273.312047][ T7061] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 273.312073][ T7061] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 273.312093][ T7061] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 273.312111][ T7061] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 273.312128][ T7061] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 273.312144][ T7061] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 273.312183][ T7061] [ 273.682687][ T7061] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 273.697750][ T7061] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 274.147562][ T7065] loop1: detected capacity change from 0 to 32768 [ 274.172616][ T7065] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 274.180174][ T7065] CPU: 0 UID: 0 PID: 7065 Comm: syz.1.137 Not tainted syzkaller #0 PREEMPT(full) [ 274.180203][ T7065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 274.180219][ T7065] Call Trace: [ 274.180229][ T7065] [ 274.180240][ T7065] dump_stack_lvl+0x189/0x250 [ 274.180278][ T7065] ? __pfx_dump_stack_lvl+0x10/0x10 [ 274.180309][ T7065] ? __pfx__printk+0x10/0x10 [ 274.180352][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.180381][ T7065] ? kernfs_path_from_node+0x250/0x290 [ 274.180410][ T7065] ? kernfs_path_from_node+0x2f/0x290 [ 274.180442][ T7065] sysfs_create_dir_ns+0x259/0x280 [ 274.180482][ T7065] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 274.180513][ T7065] ? do_raw_spin_unlock+0x122/0x240 [ 274.180551][ T7065] kobject_add_internal+0x59f/0xb40 [ 274.180588][ T7065] kobject_init_and_add+0x125/0x190 [ 274.180620][ T7065] ? __pfx_kobject_init_and_add+0x10/0x10 [ 274.180647][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.180675][ T7065] ? __raw_spin_lock_init+0x45/0x100 [ 274.180707][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.180735][ T7065] ? __init_swait_queue_head+0xa9/0x150 [ 274.180770][ T7065] gfs2_sys_fs_add+0x234/0x450 [ 274.180800][ T7065] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 274.180834][ T7065] ? is_dynamic_key+0xd6/0x1c0 [ 274.180869][ T7065] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 274.180920][ T7065] gfs2_fill_super+0x13c0/0x20d0 [ 274.180974][ T7065] ? __pfx_gfs2_fill_super+0x10/0x10 [ 274.181007][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.181042][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.181075][ T7065] ? sb_set_blocksize+0x104/0x180 [ 274.181114][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.181142][ T7065] ? setup_bdev_super+0x4c1/0x5b0 [ 274.181181][ T7065] get_tree_bdev_flags+0x40e/0x4d0 [ 274.181216][ T7065] ? __pfx_gfs2_fill_super+0x10/0x10 [ 274.181250][ T7065] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 274.181289][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.181327][ T7065] gfs2_get_tree+0x51/0x1e0 [ 274.181364][ T7065] vfs_get_tree+0x92/0x2b0 [ 274.181402][ T7065] do_new_mount+0x2a2/0x9e0 [ 274.181442][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.181477][ T7065] ? ns_capable+0x8a/0xf0 [ 274.181501][ T7065] ? __pfx_do_new_mount+0x10/0x10 [ 274.181536][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.181565][ T7065] ? path_mount+0x61c/0xfe0 [ 274.181599][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.181641][ T7065] __se_sys_mount+0x317/0x410 [ 274.181687][ T7065] ? __pfx___se_sys_mount+0x10/0x10 [ 274.181723][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.181760][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.181791][ T7065] ? __x64_sys_mount+0x20/0xc0 [ 274.181833][ T7065] do_syscall_64+0xfa/0x3b0 [ 274.181855][ T7065] ? lockdep_hardirqs_on+0x9c/0x150 [ 274.181892][ T7065] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 274.181915][ T7065] ? srso_alias_return_thunk+0x5/0xfbef5 [ 274.181943][ T7065] ? exc_page_fault+0x9f/0xf0 [ 274.181981][ T7065] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 274.182005][ T7065] RIP: 0033:0x7fab0039038a [ 274.182027][ T7065] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 274.182048][ T7065] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 274.182074][ T7065] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 274.182094][ T7065] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 274.182112][ T7065] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 274.182129][ T7065] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 274.182146][ T7065] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 274.182184][ T7065] [ 274.549761][ T7065] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 274.564622][ T7065] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 275.010136][ T7069] loop1: detected capacity change from 0 to 32768 [ 275.025216][ T7069] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 275.033135][ T7069] CPU: 1 UID: 0 PID: 7069 Comm: syz.1.138 Not tainted syzkaller #0 PREEMPT(full) [ 275.033164][ T7069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 275.033180][ T7069] Call Trace: [ 275.033190][ T7069] [ 275.033202][ T7069] dump_stack_lvl+0x189/0x250 [ 275.033241][ T7069] ? __pfx_dump_stack_lvl+0x10/0x10 [ 275.033271][ T7069] ? __pfx__printk+0x10/0x10 [ 275.033312][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.033340][ T7069] ? kernfs_path_from_node+0x250/0x290 [ 275.033368][ T7069] ? kernfs_path_from_node+0x2f/0x290 [ 275.033400][ T7069] sysfs_create_dir_ns+0x259/0x280 [ 275.033430][ T7069] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 275.033460][ T7069] ? do_raw_spin_unlock+0x122/0x240 [ 275.033498][ T7069] kobject_add_internal+0x59f/0xb40 [ 275.033535][ T7069] kobject_init_and_add+0x125/0x190 [ 275.033567][ T7069] ? __pfx_kobject_init_and_add+0x10/0x10 [ 275.033593][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.033621][ T7069] ? __raw_spin_lock_init+0x45/0x100 [ 275.033653][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.033681][ T7069] ? __init_swait_queue_head+0xa9/0x150 [ 275.033721][ T7069] gfs2_sys_fs_add+0x234/0x450 [ 275.033751][ T7069] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 275.033785][ T7069] ? is_dynamic_key+0xd6/0x1c0 [ 275.033821][ T7069] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 275.033870][ T7069] gfs2_fill_super+0x13c0/0x20d0 [ 275.033923][ T7069] ? __pfx_gfs2_fill_super+0x10/0x10 [ 275.033955][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.033989][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.034017][ T7069] ? sb_set_blocksize+0x104/0x180 [ 275.034055][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.034083][ T7069] ? setup_bdev_super+0x4c1/0x5b0 [ 275.034121][ T7069] get_tree_bdev_flags+0x40e/0x4d0 [ 275.034156][ T7069] ? __pfx_gfs2_fill_super+0x10/0x10 [ 275.034190][ T7069] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 275.034228][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.034265][ T7069] gfs2_get_tree+0x51/0x1e0 [ 275.034302][ T7069] vfs_get_tree+0x92/0x2b0 [ 275.034340][ T7069] do_new_mount+0x2a2/0x9e0 [ 275.034380][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.034408][ T7069] ? ns_capable+0x8a/0xf0 [ 275.034432][ T7069] ? __pfx_do_new_mount+0x10/0x10 [ 275.034467][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.034495][ T7069] ? path_mount+0x61c/0xfe0 [ 275.034528][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.034571][ T7069] __se_sys_mount+0x317/0x410 [ 275.034615][ T7069] ? __pfx___se_sys_mount+0x10/0x10 [ 275.034651][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.034687][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.034719][ T7069] ? __x64_sys_mount+0x20/0xc0 [ 275.034759][ T7069] do_syscall_64+0xfa/0x3b0 [ 275.034782][ T7069] ? lockdep_hardirqs_on+0x9c/0x150 [ 275.034817][ T7069] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 275.034841][ T7069] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.034869][ T7069] ? exc_page_fault+0x9f/0xf0 [ 275.034907][ T7069] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 275.034931][ T7069] RIP: 0033:0x7fab0039038a [ 275.034953][ T7069] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 275.034974][ T7069] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 275.035000][ T7069] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 275.035019][ T7069] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 275.035037][ T7069] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 275.035054][ T7069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 275.035070][ T7069] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 275.035107][ T7069] [ 275.035134][ T7069] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 275.420509][ T7069] gfs2: fsid=syz:syz: error -17 adding sysfs files 2025/08/30 11:22:37 executed programs: 124 [ 275.870909][ T7073] loop1: detected capacity change from 0 to 32768 [ 275.893672][ T7073] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 275.902170][ T7073] CPU: 0 UID: 0 PID: 7073 Comm: syz.1.139 Not tainted syzkaller #0 PREEMPT(full) [ 275.902199][ T7073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 275.902215][ T7073] Call Trace: [ 275.902225][ T7073] [ 275.902236][ T7073] dump_stack_lvl+0x189/0x250 [ 275.902276][ T7073] ? __pfx_dump_stack_lvl+0x10/0x10 [ 275.902306][ T7073] ? __pfx__printk+0x10/0x10 [ 275.902348][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.902377][ T7073] ? kernfs_path_from_node+0x250/0x290 [ 275.902405][ T7073] ? kernfs_path_from_node+0x2f/0x290 [ 275.902438][ T7073] sysfs_create_dir_ns+0x259/0x280 [ 275.902469][ T7073] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 275.902498][ T7073] ? do_raw_spin_unlock+0x122/0x240 [ 275.902536][ T7073] kobject_add_internal+0x59f/0xb40 [ 275.902572][ T7073] kobject_init_and_add+0x125/0x190 [ 275.902604][ T7073] ? __pfx_kobject_init_and_add+0x10/0x10 [ 275.902630][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.902658][ T7073] ? __raw_spin_lock_init+0x45/0x100 [ 275.902689][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.902717][ T7073] ? __init_swait_queue_head+0xa9/0x150 [ 275.902757][ T7073] gfs2_sys_fs_add+0x234/0x450 [ 275.902786][ T7073] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 275.902820][ T7073] ? is_dynamic_key+0xd6/0x1c0 [ 275.902855][ T7073] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 275.902905][ T7073] gfs2_fill_super+0x13c0/0x20d0 [ 275.902958][ T7073] ? __pfx_gfs2_fill_super+0x10/0x10 [ 275.902990][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.903024][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.903052][ T7073] ? sb_set_blocksize+0x104/0x180 [ 275.903090][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.903118][ T7073] ? setup_bdev_super+0x4c1/0x5b0 [ 275.903157][ T7073] get_tree_bdev_flags+0x40e/0x4d0 [ 275.903191][ T7073] ? __pfx_gfs2_fill_super+0x10/0x10 [ 275.903226][ T7073] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 275.903264][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.903303][ T7073] gfs2_get_tree+0x51/0x1e0 [ 275.903340][ T7073] vfs_get_tree+0x92/0x2b0 [ 275.903377][ T7073] do_new_mount+0x2a2/0x9e0 [ 275.903417][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.903445][ T7073] ? ns_capable+0x8a/0xf0 [ 275.903470][ T7073] ? __pfx_do_new_mount+0x10/0x10 [ 275.903504][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.903532][ T7073] ? path_mount+0x61c/0xfe0 [ 275.903565][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.903607][ T7073] __se_sys_mount+0x317/0x410 [ 275.903652][ T7073] ? __pfx___se_sys_mount+0x10/0x10 [ 275.903687][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.903723][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.903755][ T7073] ? __x64_sys_mount+0x20/0xc0 [ 275.903796][ T7073] do_syscall_64+0xfa/0x3b0 [ 275.903818][ T7073] ? lockdep_hardirqs_on+0x9c/0x150 [ 275.903854][ T7073] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 275.903878][ T7073] ? srso_alias_return_thunk+0x5/0xfbef5 [ 275.903906][ T7073] ? exc_page_fault+0x9f/0xf0 [ 275.903945][ T7073] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 275.903969][ T7073] RIP: 0033:0x7fab0039038a [ 275.903990][ T7073] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 275.904013][ T7073] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 275.904039][ T7073] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 275.904058][ T7073] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 275.904076][ T7073] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 275.904098][ T7073] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 275.904115][ T7073] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 275.904153][ T7073] [ 275.904193][ T7073] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 276.291016][ T7073] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 276.746295][ T7077] loop1: detected capacity change from 0 to 32768 [ 276.771524][ T7077] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 276.781268][ T7077] CPU: 1 UID: 0 PID: 7077 Comm: syz.1.140 Not tainted syzkaller #0 PREEMPT(full) [ 276.781297][ T7077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 276.781313][ T7077] Call Trace: [ 276.781324][ T7077] [ 276.781334][ T7077] dump_stack_lvl+0x189/0x250 [ 276.781374][ T7077] ? __pfx_dump_stack_lvl+0x10/0x10 [ 276.781404][ T7077] ? __pfx__printk+0x10/0x10 [ 276.781445][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.781482][ T7077] ? kernfs_path_from_node+0x250/0x290 [ 276.781510][ T7077] ? kernfs_path_from_node+0x2f/0x290 [ 276.781542][ T7077] sysfs_create_dir_ns+0x259/0x280 [ 276.781573][ T7077] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 276.781604][ T7077] ? do_raw_spin_unlock+0x122/0x240 [ 276.781642][ T7077] kobject_add_internal+0x59f/0xb40 [ 276.781679][ T7077] kobject_init_and_add+0x125/0x190 [ 276.781711][ T7077] ? __pfx_kobject_init_and_add+0x10/0x10 [ 276.781737][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.781766][ T7077] ? __raw_spin_lock_init+0x45/0x100 [ 276.781802][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.781831][ T7077] ? __init_swait_queue_head+0xa9/0x150 [ 276.781869][ T7077] gfs2_sys_fs_add+0x234/0x450 [ 276.781899][ T7077] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 276.781934][ T7077] ? is_dynamic_key+0xd6/0x1c0 [ 276.781968][ T7077] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 276.782019][ T7077] gfs2_fill_super+0x13c0/0x20d0 [ 276.782073][ T7077] ? __pfx_gfs2_fill_super+0x10/0x10 [ 276.782105][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.782140][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.782168][ T7077] ? sb_set_blocksize+0x104/0x180 [ 276.782206][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.782235][ T7077] ? setup_bdev_super+0x4c1/0x5b0 [ 276.782274][ T7077] get_tree_bdev_flags+0x40e/0x4d0 [ 276.782309][ T7077] ? __pfx_gfs2_fill_super+0x10/0x10 [ 276.782343][ T7077] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 276.782380][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.782418][ T7077] gfs2_get_tree+0x51/0x1e0 [ 276.782468][ T7077] vfs_get_tree+0x92/0x2b0 [ 276.782506][ T7077] do_new_mount+0x2a2/0x9e0 [ 276.782547][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.782576][ T7077] ? ns_capable+0x8a/0xf0 [ 276.782601][ T7077] ? __pfx_do_new_mount+0x10/0x10 [ 276.782638][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.782666][ T7077] ? path_mount+0x61c/0xfe0 [ 276.782701][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.782743][ T7077] __se_sys_mount+0x317/0x410 [ 276.782789][ T7077] ? __pfx___se_sys_mount+0x10/0x10 [ 276.782825][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.782861][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.782889][ T7077] ? __x64_sys_mount+0x20/0xc0 [ 276.782930][ T7077] do_syscall_64+0xfa/0x3b0 [ 276.782953][ T7077] ? lockdep_hardirqs_on+0x9c/0x150 [ 276.782989][ T7077] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 276.783013][ T7077] ? srso_alias_return_thunk+0x5/0xfbef5 [ 276.783040][ T7077] ? exc_page_fault+0x9f/0xf0 [ 276.783079][ T7077] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 276.783103][ T7077] RIP: 0033:0x7fab0039038a [ 276.783125][ T7077] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 276.783147][ T7077] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 276.783174][ T7077] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 276.783194][ T7077] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 276.783212][ T7077] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 276.783229][ T7077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 276.783246][ T7077] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 276.783285][ T7077] [ 277.167513][ T7077] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 277.181934][ T7077] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 277.222264][ T7077] loop1: detected capacity change from 32768 to 64 [ 277.608288][ T7081] loop1: detected capacity change from 0 to 32768 [ 277.618816][ T7081] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 277.628819][ T7081] CPU: 0 UID: 0 PID: 7081 Comm: syz.1.141 Not tainted syzkaller #0 PREEMPT(full) [ 277.628848][ T7081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 277.628864][ T7081] Call Trace: [ 277.628874][ T7081] [ 277.628884][ T7081] dump_stack_lvl+0x189/0x250 [ 277.628923][ T7081] ? __pfx_dump_stack_lvl+0x10/0x10 [ 277.628954][ T7081] ? __pfx__printk+0x10/0x10 [ 277.629000][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.629029][ T7081] ? kernfs_path_from_node+0x250/0x290 [ 277.629056][ T7081] ? kernfs_path_from_node+0x2f/0x290 [ 277.629089][ T7081] sysfs_create_dir_ns+0x259/0x280 [ 277.629120][ T7081] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 277.629149][ T7081] ? do_raw_spin_unlock+0x122/0x240 [ 277.629186][ T7081] kobject_add_internal+0x59f/0xb40 [ 277.629221][ T7081] kobject_init_and_add+0x125/0x190 [ 277.629254][ T7081] ? __pfx_kobject_init_and_add+0x10/0x10 [ 277.629280][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.629308][ T7081] ? __raw_spin_lock_init+0x45/0x100 [ 277.629340][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.629368][ T7081] ? __init_swait_queue_head+0xa9/0x150 [ 277.629403][ T7081] gfs2_sys_fs_add+0x234/0x450 [ 277.629433][ T7081] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 277.629475][ T7081] ? is_dynamic_key+0xd6/0x1c0 [ 277.629512][ T7081] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 277.629562][ T7081] gfs2_fill_super+0x13c0/0x20d0 [ 277.629617][ T7081] ? __pfx_gfs2_fill_super+0x10/0x10 [ 277.629649][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.629684][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.629712][ T7081] ? sb_set_blocksize+0x104/0x180 [ 277.629751][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.629779][ T7081] ? setup_bdev_super+0x4c1/0x5b0 [ 277.629818][ T7081] get_tree_bdev_flags+0x40e/0x4d0 [ 277.629853][ T7081] ? __pfx_gfs2_fill_super+0x10/0x10 [ 277.629887][ T7081] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 277.629925][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.629963][ T7081] gfs2_get_tree+0x51/0x1e0 [ 277.630000][ T7081] vfs_get_tree+0x92/0x2b0 [ 277.630038][ T7081] do_new_mount+0x2a2/0x9e0 [ 277.630078][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.630106][ T7081] ? ns_capable+0x8a/0xf0 [ 277.630130][ T7081] ? __pfx_do_new_mount+0x10/0x10 [ 277.630165][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.630194][ T7081] ? path_mount+0x61c/0xfe0 [ 277.630228][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.630271][ T7081] __se_sys_mount+0x317/0x410 [ 277.630317][ T7081] ? __pfx___se_sys_mount+0x10/0x10 [ 277.630353][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.630390][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.630419][ T7081] ? __x64_sys_mount+0x20/0xc0 [ 277.630468][ T7081] do_syscall_64+0xfa/0x3b0 [ 277.630491][ T7081] ? lockdep_hardirqs_on+0x9c/0x150 [ 277.630528][ T7081] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 277.630552][ T7081] ? srso_alias_return_thunk+0x5/0xfbef5 [ 277.630580][ T7081] ? exc_page_fault+0x9f/0xf0 [ 277.630619][ T7081] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 277.630643][ T7081] RIP: 0033:0x7fab0039038a [ 277.630664][ T7081] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 277.630685][ T7081] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 277.630711][ T7081] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 277.630730][ T7081] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 277.630747][ T7081] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 277.630765][ T7081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 277.630781][ T7081] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 277.630820][ T7081] [ 277.630862][ T7081] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 278.016633][ T7081] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 278.463694][ T7085] loop1: detected capacity change from 0 to 32768 [ 278.478039][ T7085] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 278.486015][ T7085] CPU: 1 UID: 0 PID: 7085 Comm: syz.1.142 Not tainted syzkaller #0 PREEMPT(full) [ 278.486045][ T7085] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 278.486061][ T7085] Call Trace: [ 278.486071][ T7085] [ 278.486081][ T7085] dump_stack_lvl+0x189/0x250 [ 278.486121][ T7085] ? __pfx_dump_stack_lvl+0x10/0x10 [ 278.486151][ T7085] ? __pfx__printk+0x10/0x10 [ 278.486194][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.486222][ T7085] ? kernfs_path_from_node+0x250/0x290 [ 278.486250][ T7085] ? kernfs_path_from_node+0x2f/0x290 [ 278.486283][ T7085] sysfs_create_dir_ns+0x259/0x280 [ 278.486314][ T7085] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 278.486344][ T7085] ? do_raw_spin_unlock+0x122/0x240 [ 278.486382][ T7085] kobject_add_internal+0x59f/0xb40 [ 278.486419][ T7085] kobject_init_and_add+0x125/0x190 [ 278.486452][ T7085] ? __pfx_kobject_init_and_add+0x10/0x10 [ 278.486478][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.486506][ T7085] ? __raw_spin_lock_init+0x45/0x100 [ 278.486538][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.486566][ T7085] ? __init_swait_queue_head+0xa9/0x150 [ 278.486601][ T7085] gfs2_sys_fs_add+0x234/0x450 [ 278.486630][ T7085] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 278.486664][ T7085] ? is_dynamic_key+0xd6/0x1c0 [ 278.486699][ T7085] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 278.486757][ T7085] gfs2_fill_super+0x13c0/0x20d0 [ 278.486811][ T7085] ? __pfx_gfs2_fill_super+0x10/0x10 [ 278.486843][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.486877][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.486905][ T7085] ? sb_set_blocksize+0x104/0x180 [ 278.486943][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.486971][ T7085] ? setup_bdev_super+0x4c1/0x5b0 [ 278.487010][ T7085] get_tree_bdev_flags+0x40e/0x4d0 [ 278.487044][ T7085] ? __pfx_gfs2_fill_super+0x10/0x10 [ 278.487079][ T7085] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 278.487117][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.487155][ T7085] gfs2_get_tree+0x51/0x1e0 [ 278.487193][ T7085] vfs_get_tree+0x92/0x2b0 [ 278.487231][ T7085] do_new_mount+0x2a2/0x9e0 [ 278.487272][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.487300][ T7085] ? ns_capable+0x8a/0xf0 [ 278.487325][ T7085] ? __pfx_do_new_mount+0x10/0x10 [ 278.487360][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.487388][ T7085] ? path_mount+0x61c/0xfe0 [ 278.487423][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.487465][ T7085] __se_sys_mount+0x317/0x410 [ 278.487510][ T7085] ? __pfx___se_sys_mount+0x10/0x10 [ 278.487546][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.487583][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.487611][ T7085] ? __x64_sys_mount+0x20/0xc0 [ 278.487652][ T7085] do_syscall_64+0xfa/0x3b0 [ 278.487675][ T7085] ? lockdep_hardirqs_on+0x9c/0x150 [ 278.487718][ T7085] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.487742][ T7085] ? srso_alias_return_thunk+0x5/0xfbef5 [ 278.487770][ T7085] ? exc_page_fault+0x9f/0xf0 [ 278.487808][ T7085] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.487832][ T7085] RIP: 0033:0x7fab0039038a [ 278.487854][ T7085] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 278.487876][ T7085] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 278.487902][ T7085] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 278.487921][ T7085] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 278.487938][ T7085] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 278.487956][ T7085] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 278.487973][ T7085] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 278.488011][ T7085] [ 278.488038][ T7085] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 278.873116][ T7085] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 279.314182][ T7089] loop1: detected capacity change from 0 to 32768 [ 279.336391][ T7089] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 279.344344][ T7089] CPU: 0 UID: 0 PID: 7089 Comm: syz.1.143 Not tainted syzkaller #0 PREEMPT(full) [ 279.344373][ T7089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 279.344389][ T7089] Call Trace: [ 279.344399][ T7089] [ 279.344410][ T7089] dump_stack_lvl+0x189/0x250 [ 279.344449][ T7089] ? __pfx_dump_stack_lvl+0x10/0x10 [ 279.344479][ T7089] ? __pfx__printk+0x10/0x10 [ 279.344521][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.344555][ T7089] ? kernfs_path_from_node+0x250/0x290 [ 279.344584][ T7089] ? kernfs_path_from_node+0x2f/0x290 [ 279.344618][ T7089] sysfs_create_dir_ns+0x259/0x280 [ 279.344649][ T7089] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 279.344680][ T7089] ? do_raw_spin_unlock+0x122/0x240 [ 279.344725][ T7089] kobject_add_internal+0x59f/0xb40 [ 279.344767][ T7089] kobject_init_and_add+0x125/0x190 [ 279.344800][ T7089] ? __pfx_kobject_init_and_add+0x10/0x10 [ 279.344827][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.344855][ T7089] ? __raw_spin_lock_init+0x45/0x100 [ 279.344888][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.344921][ T7089] ? __init_swait_queue_head+0xa9/0x150 [ 279.344956][ T7089] gfs2_sys_fs_add+0x234/0x450 [ 279.344986][ T7089] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 279.345020][ T7089] ? is_dynamic_key+0xd6/0x1c0 [ 279.345056][ T7089] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 279.345106][ T7089] gfs2_fill_super+0x13c0/0x20d0 [ 279.345161][ T7089] ? __pfx_gfs2_fill_super+0x10/0x10 [ 279.345194][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.345230][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.345268][ T7089] ? sb_set_blocksize+0x104/0x180 [ 279.345307][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.345335][ T7089] ? setup_bdev_super+0x4c1/0x5b0 [ 279.345375][ T7089] get_tree_bdev_flags+0x40e/0x4d0 [ 279.345410][ T7089] ? __pfx_gfs2_fill_super+0x10/0x10 [ 279.345445][ T7089] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 279.345482][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.345521][ T7089] gfs2_get_tree+0x51/0x1e0 [ 279.345559][ T7089] vfs_get_tree+0x92/0x2b0 [ 279.345597][ T7089] do_new_mount+0x2a2/0x9e0 [ 279.345638][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.345667][ T7089] ? ns_capable+0x8a/0xf0 [ 279.345692][ T7089] ? __pfx_do_new_mount+0x10/0x10 [ 279.345734][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.345762][ T7089] ? path_mount+0x61c/0xfe0 [ 279.345797][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.345840][ T7089] __se_sys_mount+0x317/0x410 [ 279.345887][ T7089] ? __pfx___se_sys_mount+0x10/0x10 [ 279.345924][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.345961][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.345989][ T7089] ? __x64_sys_mount+0x20/0xc0 [ 279.346031][ T7089] do_syscall_64+0xfa/0x3b0 [ 279.346054][ T7089] ? lockdep_hardirqs_on+0x9c/0x150 [ 279.346090][ T7089] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 279.346115][ T7089] ? srso_alias_return_thunk+0x5/0xfbef5 [ 279.346143][ T7089] ? exc_page_fault+0x9f/0xf0 [ 279.346183][ T7089] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 279.346207][ T7089] RIP: 0033:0x7fab0039038a [ 279.346230][ T7089] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 279.346251][ T7089] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 279.346277][ T7089] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 279.346295][ T7089] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 279.346313][ T7089] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 279.346330][ T7089] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 279.346347][ T7089] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 279.346385][ T7089] [ 279.346448][ T7089] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 279.732666][ T7089] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 280.179655][ T7093] loop1: detected capacity change from 0 to 32768 [ 280.195611][ T7093] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 280.203759][ T7093] CPU: 0 UID: 0 PID: 7093 Comm: syz.1.144 Not tainted syzkaller #0 PREEMPT(full) [ 280.203790][ T7093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 280.203806][ T7093] Call Trace: [ 280.203817][ T7093] [ 280.203828][ T7093] dump_stack_lvl+0x189/0x250 [ 280.203868][ T7093] ? __pfx_dump_stack_lvl+0x10/0x10 [ 280.203900][ T7093] ? __pfx__printk+0x10/0x10 [ 280.203941][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.203970][ T7093] ? kernfs_path_from_node+0x250/0x290 [ 280.203998][ T7093] ? kernfs_path_from_node+0x2f/0x290 [ 280.204032][ T7093] sysfs_create_dir_ns+0x259/0x280 [ 280.204063][ T7093] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 280.204094][ T7093] ? do_raw_spin_unlock+0x122/0x240 [ 280.204131][ T7093] kobject_add_internal+0x59f/0xb40 [ 280.204168][ T7093] kobject_init_and_add+0x125/0x190 [ 280.204200][ T7093] ? __pfx_kobject_init_and_add+0x10/0x10 [ 280.204227][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.204255][ T7093] ? __raw_spin_lock_init+0x45/0x100 [ 280.204288][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.204316][ T7093] ? __init_swait_queue_head+0xa9/0x150 [ 280.204355][ T7093] gfs2_sys_fs_add+0x234/0x450 [ 280.204386][ T7093] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 280.204421][ T7093] ? is_dynamic_key+0xd6/0x1c0 [ 280.204457][ T7093] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 280.204508][ T7093] gfs2_fill_super+0x13c0/0x20d0 [ 280.204562][ T7093] ? __pfx_gfs2_fill_super+0x10/0x10 [ 280.204594][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.204629][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.204658][ T7093] ? sb_set_blocksize+0x104/0x180 [ 280.204696][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.204732][ T7093] ? setup_bdev_super+0x4c1/0x5b0 [ 280.204771][ T7093] get_tree_bdev_flags+0x40e/0x4d0 [ 280.204806][ T7093] ? __pfx_gfs2_fill_super+0x10/0x10 [ 280.204841][ T7093] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 280.204879][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.204916][ T7093] gfs2_get_tree+0x51/0x1e0 [ 280.204953][ T7093] vfs_get_tree+0x92/0x2b0 [ 280.204991][ T7093] do_new_mount+0x2a2/0x9e0 [ 280.205030][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.205058][ T7093] ? ns_capable+0x8a/0xf0 [ 280.205082][ T7093] ? __pfx_do_new_mount+0x10/0x10 [ 280.205117][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.205146][ T7093] ? path_mount+0x61c/0xfe0 [ 280.205180][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.205222][ T7093] __se_sys_mount+0x317/0x410 [ 280.205269][ T7093] ? __pfx___se_sys_mount+0x10/0x10 [ 280.205305][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.205342][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.205369][ T7093] ? __x64_sys_mount+0x20/0xc0 [ 280.205410][ T7093] do_syscall_64+0xfa/0x3b0 [ 280.205433][ T7093] ? lockdep_hardirqs_on+0x9c/0x150 [ 280.205468][ T7093] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.205493][ T7093] ? srso_alias_return_thunk+0x5/0xfbef5 [ 280.205521][ T7093] ? exc_page_fault+0x9f/0xf0 [ 280.205561][ T7093] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 280.205586][ T7093] RIP: 0033:0x7fab0039038a [ 280.205608][ T7093] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 280.205630][ T7093] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 280.205655][ T7093] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 280.205674][ T7093] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 280.205694][ T7093] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 280.205719][ T7093] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 280.205736][ T7093] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 280.205773][ T7093] [ 280.205814][ T7093] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 280.591587][ T7093] gfs2: fsid=syz:syz: error -17 adding sysfs files 2025/08/30 11:22:42 executed programs: 130 [ 281.045693][ T7097] loop1: detected capacity change from 0 to 32768 [ 281.058894][ T7097] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 281.066478][ T7097] CPU: 0 UID: 0 PID: 7097 Comm: syz.1.145 Not tainted syzkaller #0 PREEMPT(full) [ 281.066507][ T7097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 281.066522][ T7097] Call Trace: [ 281.066532][ T7097] [ 281.066543][ T7097] dump_stack_lvl+0x189/0x250 [ 281.066580][ T7097] ? __pfx_dump_stack_lvl+0x10/0x10 [ 281.066611][ T7097] ? __pfx__printk+0x10/0x10 [ 281.066653][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.066681][ T7097] ? kernfs_path_from_node+0x250/0x290 [ 281.066709][ T7097] ? kernfs_path_from_node+0x2f/0x290 [ 281.066743][ T7097] sysfs_create_dir_ns+0x259/0x280 [ 281.066782][ T7097] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 281.066812][ T7097] ? do_raw_spin_unlock+0x122/0x240 [ 281.066850][ T7097] kobject_add_internal+0x59f/0xb40 [ 281.066887][ T7097] kobject_init_and_add+0x125/0x190 [ 281.066919][ T7097] ? __pfx_kobject_init_and_add+0x10/0x10 [ 281.066945][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.066973][ T7097] ? __raw_spin_lock_init+0x45/0x100 [ 281.067006][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.067034][ T7097] ? __init_swait_queue_head+0xa9/0x150 [ 281.067070][ T7097] gfs2_sys_fs_add+0x234/0x450 [ 281.067104][ T7097] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 281.067139][ T7097] ? is_dynamic_key+0xd6/0x1c0 [ 281.067175][ T7097] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 281.067227][ T7097] gfs2_fill_super+0x13c0/0x20d0 [ 281.067281][ T7097] ? __pfx_gfs2_fill_super+0x10/0x10 [ 281.067314][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.067350][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.067378][ T7097] ? sb_set_blocksize+0x104/0x180 [ 281.067416][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.067445][ T7097] ? setup_bdev_super+0x4c1/0x5b0 [ 281.067485][ T7097] get_tree_bdev_flags+0x40e/0x4d0 [ 281.067520][ T7097] ? __pfx_gfs2_fill_super+0x10/0x10 [ 281.067555][ T7097] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 281.067593][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.067631][ T7097] gfs2_get_tree+0x51/0x1e0 [ 281.067668][ T7097] vfs_get_tree+0x92/0x2b0 [ 281.067706][ T7097] do_new_mount+0x2a2/0x9e0 [ 281.067748][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.067795][ T7097] ? ns_capable+0x8a/0xf0 [ 281.067820][ T7097] ? __pfx_do_new_mount+0x10/0x10 [ 281.067856][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.067885][ T7097] ? path_mount+0x61c/0xfe0 [ 281.067920][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.067962][ T7097] __se_sys_mount+0x317/0x410 [ 281.068008][ T7097] ? __pfx___se_sys_mount+0x10/0x10 [ 281.068044][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.068081][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.068110][ T7097] ? __x64_sys_mount+0x20/0xc0 [ 281.068150][ T7097] do_syscall_64+0xfa/0x3b0 [ 281.068173][ T7097] ? lockdep_hardirqs_on+0x9c/0x150 [ 281.068210][ T7097] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.068234][ T7097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.068262][ T7097] ? exc_page_fault+0x9f/0xf0 [ 281.068301][ T7097] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.068326][ T7097] RIP: 0033:0x7fab0039038a [ 281.068348][ T7097] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 281.068369][ T7097] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 281.068396][ T7097] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 281.068415][ T7097] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 281.068435][ T7097] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 281.068453][ T7097] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 281.068469][ T7097] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 281.068507][ T7097] [ 281.068546][ T7097] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 281.453404][ T7097] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 281.907076][ T7101] loop1: detected capacity change from 0 to 32768 [ 281.924678][ T7101] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 281.932631][ T7101] CPU: 1 UID: 0 PID: 7101 Comm: syz.1.146 Not tainted syzkaller #0 PREEMPT(full) [ 281.932664][ T7101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 281.932683][ T7101] Call Trace: [ 281.932695][ T7101] [ 281.932707][ T7101] dump_stack_lvl+0x189/0x250 [ 281.932752][ T7101] ? __pfx_dump_stack_lvl+0x10/0x10 [ 281.932785][ T7101] ? __pfx__printk+0x10/0x10 [ 281.932835][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.932870][ T7101] ? kernfs_path_from_node+0x250/0x290 [ 281.932904][ T7101] ? kernfs_path_from_node+0x2f/0x290 [ 281.932944][ T7101] sysfs_create_dir_ns+0x259/0x280 [ 281.932981][ T7101] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 281.933018][ T7101] ? do_raw_spin_unlock+0x122/0x240 [ 281.933063][ T7101] kobject_add_internal+0x59f/0xb40 [ 281.933108][ T7101] kobject_init_and_add+0x125/0x190 [ 281.933147][ T7101] ? __pfx_kobject_init_and_add+0x10/0x10 [ 281.933180][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.933213][ T7101] ? __raw_spin_lock_init+0x45/0x100 [ 281.933252][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.933286][ T7101] ? __init_swait_queue_head+0xa9/0x150 [ 281.933330][ T7101] gfs2_sys_fs_add+0x234/0x450 [ 281.933366][ T7101] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 281.933410][ T7101] ? is_dynamic_key+0xd6/0x1c0 [ 281.933459][ T7101] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 281.933547][ T7101] gfs2_fill_super+0x13c0/0x20d0 [ 281.933614][ T7101] ? __pfx_gfs2_fill_super+0x10/0x10 [ 281.933652][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.933694][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.933729][ T7101] ? sb_set_blocksize+0x104/0x180 [ 281.933774][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.933808][ T7101] ? setup_bdev_super+0x4c1/0x5b0 [ 281.933855][ T7101] get_tree_bdev_flags+0x40e/0x4d0 [ 281.933897][ T7101] ? __pfx_gfs2_fill_super+0x10/0x10 [ 281.933939][ T7101] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 281.933986][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.934031][ T7101] gfs2_get_tree+0x51/0x1e0 [ 281.934077][ T7101] vfs_get_tree+0x92/0x2b0 [ 281.934124][ T7101] do_new_mount+0x2a2/0x9e0 [ 281.934174][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.934209][ T7101] ? ns_capable+0x8a/0xf0 [ 281.934239][ T7101] ? __pfx_do_new_mount+0x10/0x10 [ 281.934282][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.934315][ T7101] ? path_mount+0x61c/0xfe0 [ 281.934349][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.934392][ T7101] __se_sys_mount+0x317/0x410 [ 281.934436][ T7101] ? __pfx___se_sys_mount+0x10/0x10 [ 281.934482][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.934518][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.934551][ T7101] ? __x64_sys_mount+0x20/0xc0 [ 281.934592][ T7101] do_syscall_64+0xfa/0x3b0 [ 281.934614][ T7101] ? lockdep_hardirqs_on+0x9c/0x150 [ 281.934650][ T7101] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.934674][ T7101] ? srso_alias_return_thunk+0x5/0xfbef5 [ 281.934702][ T7101] ? exc_page_fault+0x9f/0xf0 [ 281.934740][ T7101] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 281.934765][ T7101] RIP: 0033:0x7fab0039038a [ 281.934787][ T7101] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 281.934808][ T7101] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 281.934834][ T7101] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 281.934852][ T7101] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 281.934871][ T7101] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 281.934889][ T7101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 281.934905][ T7101] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 281.934943][ T7101] [ 281.934970][ T7101] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 282.319370][ T7101] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 282.766609][ T7105] loop1: detected capacity change from 0 to 32768 [ 282.785235][ T7105] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 282.796469][ T7105] CPU: 1 UID: 0 PID: 7105 Comm: syz.1.147 Not tainted syzkaller #0 PREEMPT(full) [ 282.796499][ T7105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 282.796523][ T7105] Call Trace: [ 282.796533][ T7105] [ 282.796544][ T7105] dump_stack_lvl+0x189/0x250 [ 282.796582][ T7105] ? __pfx_dump_stack_lvl+0x10/0x10 [ 282.796613][ T7105] ? __pfx__printk+0x10/0x10 [ 282.796655][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.796684][ T7105] ? kernfs_path_from_node+0x250/0x290 [ 282.796712][ T7105] ? kernfs_path_from_node+0x2f/0x290 [ 282.796745][ T7105] sysfs_create_dir_ns+0x259/0x280 [ 282.796776][ T7105] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 282.796806][ T7105] ? do_raw_spin_unlock+0x122/0x240 [ 282.796843][ T7105] kobject_add_internal+0x59f/0xb40 [ 282.796880][ T7105] kobject_init_and_add+0x125/0x190 [ 282.796912][ T7105] ? __pfx_kobject_init_and_add+0x10/0x10 [ 282.796939][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.796967][ T7105] ? __raw_spin_lock_init+0x45/0x100 [ 282.796999][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.797028][ T7105] ? __init_swait_queue_head+0xa9/0x150 [ 282.797063][ T7105] gfs2_sys_fs_add+0x234/0x450 [ 282.797094][ T7105] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 282.797129][ T7105] ? is_dynamic_key+0xd6/0x1c0 [ 282.797165][ T7105] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 282.797216][ T7105] gfs2_fill_super+0x13c0/0x20d0 [ 282.797270][ T7105] ? __pfx_gfs2_fill_super+0x10/0x10 [ 282.797303][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.797338][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.797365][ T7105] ? sb_set_blocksize+0x104/0x180 [ 282.797404][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.797432][ T7105] ? setup_bdev_super+0x4c1/0x5b0 [ 282.797472][ T7105] get_tree_bdev_flags+0x40e/0x4d0 [ 282.797506][ T7105] ? __pfx_gfs2_fill_super+0x10/0x10 [ 282.797549][ T7105] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 282.797587][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.797624][ T7105] gfs2_get_tree+0x51/0x1e0 [ 282.797662][ T7105] vfs_get_tree+0x92/0x2b0 [ 282.797701][ T7105] do_new_mount+0x2a2/0x9e0 [ 282.797742][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.797771][ T7105] ? ns_capable+0x8a/0xf0 [ 282.797795][ T7105] ? __pfx_do_new_mount+0x10/0x10 [ 282.797831][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.797859][ T7105] ? path_mount+0x61c/0xfe0 [ 282.797894][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.797936][ T7105] __se_sys_mount+0x317/0x410 [ 282.797981][ T7105] ? __pfx___se_sys_mount+0x10/0x10 [ 282.798017][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.798054][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.798082][ T7105] ? __x64_sys_mount+0x20/0xc0 [ 282.798122][ T7105] do_syscall_64+0xfa/0x3b0 [ 282.798144][ T7105] ? lockdep_hardirqs_on+0x9c/0x150 [ 282.798180][ T7105] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 282.798204][ T7105] ? srso_alias_return_thunk+0x5/0xfbef5 [ 282.798232][ T7105] ? exc_page_fault+0x9f/0xf0 [ 282.798273][ T7105] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 282.798298][ T7105] RIP: 0033:0x7fab0039038a [ 282.798320][ T7105] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 282.798342][ T7105] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 282.798368][ T7105] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 282.798387][ T7105] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 282.798405][ T7105] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 282.798423][ T7105] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 282.798440][ T7105] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 282.798479][ T7105] [ 282.798506][ T7105] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 283.182666][ T7105] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 283.630811][ T7109] loop1: detected capacity change from 0 to 32768 [ 283.652057][ T7109] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 283.659447][ T7109] CPU: 0 UID: 0 PID: 7109 Comm: syz.1.148 Not tainted syzkaller #0 PREEMPT(full) [ 283.659477][ T7109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 283.659493][ T7109] Call Trace: [ 283.659504][ T7109] [ 283.659523][ T7109] dump_stack_lvl+0x189/0x250 [ 283.659562][ T7109] ? __pfx_dump_stack_lvl+0x10/0x10 [ 283.659593][ T7109] ? __pfx__printk+0x10/0x10 [ 283.659635][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.659665][ T7109] ? kernfs_path_from_node+0x250/0x290 [ 283.659693][ T7109] ? kernfs_path_from_node+0x2f/0x290 [ 283.659726][ T7109] sysfs_create_dir_ns+0x259/0x280 [ 283.659757][ T7109] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 283.659786][ T7109] ? do_raw_spin_unlock+0x122/0x240 [ 283.659824][ T7109] kobject_add_internal+0x59f/0xb40 [ 283.659861][ T7109] kobject_init_and_add+0x125/0x190 [ 283.659893][ T7109] ? __pfx_kobject_init_and_add+0x10/0x10 [ 283.659919][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.659947][ T7109] ? __raw_spin_lock_init+0x45/0x100 [ 283.659979][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.660008][ T7109] ? __init_swait_queue_head+0xa9/0x150 [ 283.660043][ T7109] gfs2_sys_fs_add+0x234/0x450 [ 283.660074][ T7109] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 283.660108][ T7109] ? is_dynamic_key+0xd6/0x1c0 [ 283.660144][ T7109] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 283.660195][ T7109] gfs2_fill_super+0x13c0/0x20d0 [ 283.660249][ T7109] ? __pfx_gfs2_fill_super+0x10/0x10 [ 283.660283][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.660317][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.660345][ T7109] ? sb_set_blocksize+0x104/0x180 [ 283.660384][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.660412][ T7109] ? setup_bdev_super+0x4c1/0x5b0 [ 283.660451][ T7109] get_tree_bdev_flags+0x40e/0x4d0 [ 283.660486][ T7109] ? __pfx_gfs2_fill_super+0x10/0x10 [ 283.660529][ T7109] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 283.660566][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.660604][ T7109] gfs2_get_tree+0x51/0x1e0 [ 283.660642][ T7109] vfs_get_tree+0x92/0x2b0 [ 283.660680][ T7109] do_new_mount+0x2a2/0x9e0 [ 283.660721][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.660751][ T7109] ? ns_capable+0x8a/0xf0 [ 283.660774][ T7109] ? __pfx_do_new_mount+0x10/0x10 [ 283.660810][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.660838][ T7109] ? path_mount+0x61c/0xfe0 [ 283.660879][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.660922][ T7109] __se_sys_mount+0x317/0x410 [ 283.660967][ T7109] ? __pfx___se_sys_mount+0x10/0x10 [ 283.661003][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.661040][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.661073][ T7109] ? __x64_sys_mount+0x20/0xc0 [ 283.661113][ T7109] do_syscall_64+0xfa/0x3b0 [ 283.661135][ T7109] ? lockdep_hardirqs_on+0x9c/0x150 [ 283.661171][ T7109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.661195][ T7109] ? srso_alias_return_thunk+0x5/0xfbef5 [ 283.661223][ T7109] ? exc_page_fault+0x9f/0xf0 [ 283.661262][ T7109] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 283.661287][ T7109] RIP: 0033:0x7fab0039038a [ 283.661309][ T7109] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 283.661332][ T7109] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 283.661358][ T7109] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 283.661377][ T7109] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 283.661395][ T7109] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 283.661413][ T7109] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 283.661430][ T7109] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 283.661469][ T7109] [ 283.661496][ T7109] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 284.047450][ T7109] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 284.493443][ T7113] loop1: detected capacity change from 0 to 32768 [ 284.508935][ T7113] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 284.517501][ T7113] CPU: 0 UID: 0 PID: 7113 Comm: syz.1.149 Not tainted syzkaller #0 PREEMPT(full) [ 284.517533][ T7113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 284.517549][ T7113] Call Trace: [ 284.517559][ T7113] [ 284.517569][ T7113] dump_stack_lvl+0x189/0x250 [ 284.517606][ T7113] ? __pfx_dump_stack_lvl+0x10/0x10 [ 284.517637][ T7113] ? __pfx__printk+0x10/0x10 [ 284.517677][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.517705][ T7113] ? kernfs_path_from_node+0x250/0x290 [ 284.517732][ T7113] ? kernfs_path_from_node+0x2f/0x290 [ 284.517773][ T7113] sysfs_create_dir_ns+0x259/0x280 [ 284.517803][ T7113] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 284.517834][ T7113] ? do_raw_spin_unlock+0x122/0x240 [ 284.517871][ T7113] kobject_add_internal+0x59f/0xb40 [ 284.517907][ T7113] kobject_init_and_add+0x125/0x190 [ 284.517940][ T7113] ? __pfx_kobject_init_and_add+0x10/0x10 [ 284.517967][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.517995][ T7113] ? __raw_spin_lock_init+0x45/0x100 [ 284.518027][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.518055][ T7113] ? __init_swait_queue_head+0xa9/0x150 [ 284.518089][ T7113] gfs2_sys_fs_add+0x234/0x450 [ 284.518120][ T7113] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 284.518153][ T7113] ? is_dynamic_key+0xd6/0x1c0 [ 284.518191][ T7113] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 284.518243][ T7113] gfs2_fill_super+0x13c0/0x20d0 [ 284.518296][ T7113] ? __pfx_gfs2_fill_super+0x10/0x10 [ 284.518328][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.518363][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.518392][ T7113] ? sb_set_blocksize+0x104/0x180 [ 284.518430][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.518458][ T7113] ? setup_bdev_super+0x4c1/0x5b0 [ 284.518498][ T7113] get_tree_bdev_flags+0x40e/0x4d0 [ 284.518533][ T7113] ? __pfx_gfs2_fill_super+0x10/0x10 [ 284.518567][ T7113] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 284.518607][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.518647][ T7113] gfs2_get_tree+0x51/0x1e0 [ 284.518685][ T7113] vfs_get_tree+0x92/0x2b0 [ 284.518722][ T7113] do_new_mount+0x2a2/0x9e0 [ 284.518763][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.518798][ T7113] ? ns_capable+0x8a/0xf0 [ 284.518823][ T7113] ? __pfx_do_new_mount+0x10/0x10 [ 284.518858][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.518887][ T7113] ? path_mount+0x61c/0xfe0 [ 284.518921][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.518963][ T7113] __se_sys_mount+0x317/0x410 [ 284.519008][ T7113] ? __pfx___se_sys_mount+0x10/0x10 [ 284.519044][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.519081][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.519109][ T7113] ? __x64_sys_mount+0x20/0xc0 [ 284.519150][ T7113] do_syscall_64+0xfa/0x3b0 [ 284.519173][ T7113] ? lockdep_hardirqs_on+0x9c/0x150 [ 284.519209][ T7113] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.519233][ T7113] ? srso_alias_return_thunk+0x5/0xfbef5 [ 284.519261][ T7113] ? exc_page_fault+0x9f/0xf0 [ 284.519300][ T7113] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 284.519325][ T7113] RIP: 0033:0x7fab0039038a [ 284.519346][ T7113] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 284.519368][ T7113] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 284.519393][ T7113] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 284.519411][ T7113] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 284.519429][ T7113] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 284.519447][ T7113] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 284.519464][ T7113] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 284.519501][ T7113] [ 284.519528][ T7113] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 284.904742][ T7113] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 285.358717][ T7117] loop1: detected capacity change from 0 to 32768 [ 285.376023][ T7117] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 285.383587][ T7117] CPU: 0 UID: 0 PID: 7117 Comm: syz.1.150 Not tainted syzkaller #0 PREEMPT(full) [ 285.383616][ T7117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 285.383632][ T7117] Call Trace: [ 285.383642][ T7117] [ 285.383652][ T7117] dump_stack_lvl+0x189/0x250 [ 285.383691][ T7117] ? __pfx_dump_stack_lvl+0x10/0x10 [ 285.383722][ T7117] ? __pfx__printk+0x10/0x10 [ 285.383763][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.383793][ T7117] ? kernfs_path_from_node+0x250/0x290 [ 285.383820][ T7117] ? kernfs_path_from_node+0x2f/0x290 [ 285.383852][ T7117] sysfs_create_dir_ns+0x259/0x280 [ 285.383883][ T7117] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 285.383913][ T7117] ? do_raw_spin_unlock+0x122/0x240 [ 285.383950][ T7117] kobject_add_internal+0x59f/0xb40 [ 285.383988][ T7117] kobject_init_and_add+0x125/0x190 [ 285.384020][ T7117] ? __pfx_kobject_init_and_add+0x10/0x10 [ 285.384048][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.384076][ T7117] ? __raw_spin_lock_init+0x45/0x100 [ 285.384109][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.384137][ T7117] ? __init_swait_queue_head+0xa9/0x150 [ 285.384173][ T7117] gfs2_sys_fs_add+0x234/0x450 [ 285.384203][ T7117] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 285.384238][ T7117] ? is_dynamic_key+0xd6/0x1c0 [ 285.384273][ T7117] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 285.384323][ T7117] gfs2_fill_super+0x13c0/0x20d0 [ 285.384378][ T7117] ? __pfx_gfs2_fill_super+0x10/0x10 [ 285.384409][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.384444][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.384471][ T7117] ? sb_set_blocksize+0x104/0x180 [ 285.384510][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.384573][ T7117] ? setup_bdev_super+0x4c1/0x5b0 [ 285.384612][ T7117] get_tree_bdev_flags+0x40e/0x4d0 [ 285.384647][ T7117] ? __pfx_gfs2_fill_super+0x10/0x10 [ 285.384681][ T7117] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 285.384719][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.384757][ T7117] gfs2_get_tree+0x51/0x1e0 [ 285.384795][ T7117] vfs_get_tree+0x92/0x2b0 [ 285.384833][ T7117] do_new_mount+0x2a2/0x9e0 [ 285.384874][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.384903][ T7117] ? ns_capable+0x8a/0xf0 [ 285.384928][ T7117] ? __pfx_do_new_mount+0x10/0x10 [ 285.384962][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.384991][ T7117] ? path_mount+0x61c/0xfe0 [ 285.385025][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.385067][ T7117] __se_sys_mount+0x317/0x410 [ 285.385111][ T7117] ? __pfx___se_sys_mount+0x10/0x10 [ 285.385147][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.385183][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.385211][ T7117] ? __x64_sys_mount+0x20/0xc0 [ 285.385252][ T7117] do_syscall_64+0xfa/0x3b0 [ 285.385275][ T7117] ? lockdep_hardirqs_on+0x9c/0x150 [ 285.385312][ T7117] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.385337][ T7117] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.385365][ T7117] ? exc_page_fault+0x9f/0xf0 [ 285.385404][ T7117] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 285.385429][ T7117] RIP: 0033:0x7fab0039038a [ 285.385451][ T7117] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 285.385473][ T7117] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 285.385498][ T7117] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 285.385535][ T7117] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 285.385554][ T7117] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 285.385571][ T7117] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 285.385588][ T7117] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 285.385626][ T7117] [ 285.385652][ T7117] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 285.773686][ T7117] gfs2: fsid=syz:syz: error -17 adding sysfs files 2025/08/30 11:22:48 executed programs: 136 [ 286.223234][ T7121] loop1: detected capacity change from 0 to 32768 [ 286.240871][ T7121] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 286.248868][ T7121] CPU: 0 UID: 0 PID: 7121 Comm: syz.1.151 Not tainted syzkaller #0 PREEMPT(full) [ 286.248897][ T7121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 286.248912][ T7121] Call Trace: [ 286.248922][ T7121] [ 286.248933][ T7121] dump_stack_lvl+0x189/0x250 [ 286.248972][ T7121] ? __pfx_dump_stack_lvl+0x10/0x10 [ 286.249003][ T7121] ? __pfx__printk+0x10/0x10 [ 286.249048][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.249078][ T7121] ? kernfs_path_from_node+0x250/0x290 [ 286.249107][ T7121] ? kernfs_path_from_node+0x2f/0x290 [ 286.249141][ T7121] sysfs_create_dir_ns+0x259/0x280 [ 286.249172][ T7121] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 286.249202][ T7121] ? do_raw_spin_unlock+0x122/0x240 [ 286.249240][ T7121] kobject_add_internal+0x59f/0xb40 [ 286.249278][ T7121] kobject_init_and_add+0x125/0x190 [ 286.249311][ T7121] ? __pfx_kobject_init_and_add+0x10/0x10 [ 286.249337][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.249366][ T7121] ? __raw_spin_lock_init+0x45/0x100 [ 286.249398][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.249426][ T7121] ? __init_swait_queue_head+0xa9/0x150 [ 286.249461][ T7121] gfs2_sys_fs_add+0x234/0x450 [ 286.249490][ T7121] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 286.249533][ T7121] ? is_dynamic_key+0xd6/0x1c0 [ 286.249567][ T7121] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 286.249618][ T7121] gfs2_fill_super+0x13c0/0x20d0 [ 286.249672][ T7121] ? __pfx_gfs2_fill_super+0x10/0x10 [ 286.249705][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.249740][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.249769][ T7121] ? sb_set_blocksize+0x104/0x180 [ 286.249807][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.249836][ T7121] ? setup_bdev_super+0x4c1/0x5b0 [ 286.249875][ T7121] get_tree_bdev_flags+0x40e/0x4d0 [ 286.249910][ T7121] ? __pfx_gfs2_fill_super+0x10/0x10 [ 286.249945][ T7121] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 286.249983][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.250021][ T7121] gfs2_get_tree+0x51/0x1e0 [ 286.250059][ T7121] vfs_get_tree+0x92/0x2b0 [ 286.250096][ T7121] do_new_mount+0x2a2/0x9e0 [ 286.250136][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.250164][ T7121] ? ns_capable+0x8a/0xf0 [ 286.250188][ T7121] ? __pfx_do_new_mount+0x10/0x10 [ 286.250223][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.250251][ T7121] ? path_mount+0x61c/0xfe0 [ 286.250285][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.250328][ T7121] __se_sys_mount+0x317/0x410 [ 286.250374][ T7121] ? __pfx___se_sys_mount+0x10/0x10 [ 286.250410][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.250447][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.250475][ T7121] ? __x64_sys_mount+0x20/0xc0 [ 286.250517][ T7121] do_syscall_64+0xfa/0x3b0 [ 286.250547][ T7121] ? lockdep_hardirqs_on+0x9c/0x150 [ 286.250583][ T7121] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.250607][ T7121] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.250636][ T7121] ? exc_page_fault+0x9f/0xf0 [ 286.250674][ T7121] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.250699][ T7121] RIP: 0033:0x7fab0039038a [ 286.250720][ T7121] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 286.250741][ T7121] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 286.250766][ T7121] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 286.250784][ T7121] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 286.250802][ T7121] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 286.250819][ T7121] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 286.250836][ T7121] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 286.250874][ T7121] [ 286.250913][ T7121] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 286.635129][ T7121] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 287.081097][ T7125] loop1: detected capacity change from 0 to 32768 [ 287.103976][ T7125] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 287.111378][ T7125] CPU: 0 UID: 0 PID: 7125 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT(full) [ 287.111408][ T7125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 287.111424][ T7125] Call Trace: [ 287.111434][ T7125] [ 287.111445][ T7125] dump_stack_lvl+0x189/0x250 [ 287.111484][ T7125] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.111514][ T7125] ? __pfx__printk+0x10/0x10 [ 287.111565][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.111595][ T7125] ? kernfs_path_from_node+0x250/0x290 [ 287.111623][ T7125] ? kernfs_path_from_node+0x2f/0x290 [ 287.111656][ T7125] sysfs_create_dir_ns+0x259/0x280 [ 287.111686][ T7125] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 287.111716][ T7125] ? do_raw_spin_unlock+0x122/0x240 [ 287.111753][ T7125] kobject_add_internal+0x59f/0xb40 [ 287.111794][ T7125] kobject_init_and_add+0x125/0x190 [ 287.111828][ T7125] ? __pfx_kobject_init_and_add+0x10/0x10 [ 287.111855][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.111883][ T7125] ? __raw_spin_lock_init+0x45/0x100 [ 287.111915][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.111943][ T7125] ? __init_swait_queue_head+0xa9/0x150 [ 287.111981][ T7125] gfs2_sys_fs_add+0x234/0x450 [ 287.112012][ T7125] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 287.112047][ T7125] ? is_dynamic_key+0xd6/0x1c0 [ 287.112083][ T7125] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 287.112133][ T7125] gfs2_fill_super+0x13c0/0x20d0 [ 287.112187][ T7125] ? __pfx_gfs2_fill_super+0x10/0x10 [ 287.112219][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.112255][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.112283][ T7125] ? sb_set_blocksize+0x104/0x180 [ 287.112323][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.112352][ T7125] ? setup_bdev_super+0x4c1/0x5b0 [ 287.112391][ T7125] get_tree_bdev_flags+0x40e/0x4d0 [ 287.112426][ T7125] ? __pfx_gfs2_fill_super+0x10/0x10 [ 287.112462][ T7125] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 287.112500][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.112593][ T7125] gfs2_get_tree+0x51/0x1e0 [ 287.112631][ T7125] vfs_get_tree+0x92/0x2b0 [ 287.112669][ T7125] do_new_mount+0x2a2/0x9e0 [ 287.112709][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.112737][ T7125] ? ns_capable+0x8a/0xf0 [ 287.112761][ T7125] ? __pfx_do_new_mount+0x10/0x10 [ 287.112796][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.112824][ T7125] ? path_mount+0x61c/0xfe0 [ 287.112859][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.112901][ T7125] __se_sys_mount+0x317/0x410 [ 287.112947][ T7125] ? __pfx___se_sys_mount+0x10/0x10 [ 287.112983][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.113020][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.113048][ T7125] ? __x64_sys_mount+0x20/0xc0 [ 287.113087][ T7125] do_syscall_64+0xfa/0x3b0 [ 287.113109][ T7125] ? lockdep_hardirqs_on+0x9c/0x150 [ 287.113145][ T7125] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.113168][ T7125] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.113195][ T7125] ? exc_page_fault+0x9f/0xf0 [ 287.113233][ T7125] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.113257][ T7125] RIP: 0033:0x7fab0039038a [ 287.113278][ T7125] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 287.113299][ T7125] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 287.113324][ T7125] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 287.113342][ T7125] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 287.113360][ T7125] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 287.113377][ T7125] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 287.113393][ T7125] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 287.113430][ T7125] [ 287.480175][ T7125] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 287.494909][ T7125] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 287.940896][ T7129] loop1: detected capacity change from 0 to 32768 [ 287.966207][ T7129] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 287.973755][ T7129] CPU: 1 UID: 0 PID: 7129 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full) [ 287.973784][ T7129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 287.973800][ T7129] Call Trace: [ 287.973810][ T7129] [ 287.973820][ T7129] dump_stack_lvl+0x189/0x250 [ 287.973859][ T7129] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.973893][ T7129] ? __pfx__printk+0x10/0x10 [ 287.973936][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.973966][ T7129] ? kernfs_path_from_node+0x250/0x290 [ 287.973997][ T7129] ? kernfs_path_from_node+0x2f/0x290 [ 287.974030][ T7129] sysfs_create_dir_ns+0x259/0x280 [ 287.974062][ T7129] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 287.974092][ T7129] ? do_raw_spin_unlock+0x122/0x240 [ 287.974130][ T7129] kobject_add_internal+0x59f/0xb40 [ 287.974168][ T7129] kobject_init_and_add+0x125/0x190 [ 287.974201][ T7129] ? __pfx_kobject_init_and_add+0x10/0x10 [ 287.974227][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.974256][ T7129] ? __raw_spin_lock_init+0x45/0x100 [ 287.974288][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.974316][ T7129] ? __init_swait_queue_head+0xa9/0x150 [ 287.974352][ T7129] gfs2_sys_fs_add+0x234/0x450 [ 287.974382][ T7129] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 287.974416][ T7129] ? is_dynamic_key+0xd6/0x1c0 [ 287.974451][ T7129] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 287.974501][ T7129] gfs2_fill_super+0x13c0/0x20d0 [ 287.974569][ T7129] ? __pfx_gfs2_fill_super+0x10/0x10 [ 287.974601][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.974636][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.974664][ T7129] ? sb_set_blocksize+0x104/0x180 [ 287.974703][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.974731][ T7129] ? setup_bdev_super+0x4c1/0x5b0 [ 287.974772][ T7129] get_tree_bdev_flags+0x40e/0x4d0 [ 287.974807][ T7129] ? __pfx_gfs2_fill_super+0x10/0x10 [ 287.974841][ T7129] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 287.974880][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.974917][ T7129] gfs2_get_tree+0x51/0x1e0 [ 287.974955][ T7129] vfs_get_tree+0x92/0x2b0 [ 287.974993][ T7129] do_new_mount+0x2a2/0x9e0 [ 287.975034][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.975063][ T7129] ? ns_capable+0x8a/0xf0 [ 287.975088][ T7129] ? __pfx_do_new_mount+0x10/0x10 [ 287.975123][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.975151][ T7129] ? path_mount+0x61c/0xfe0 [ 287.975185][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.975233][ T7129] __se_sys_mount+0x317/0x410 [ 287.975279][ T7129] ? __pfx___se_sys_mount+0x10/0x10 [ 287.975316][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.975353][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.975381][ T7129] ? __x64_sys_mount+0x20/0xc0 [ 287.975423][ T7129] do_syscall_64+0xfa/0x3b0 [ 287.975446][ T7129] ? lockdep_hardirqs_on+0x9c/0x150 [ 287.975498][ T7129] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.975529][ T7129] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.975557][ T7129] ? exc_page_fault+0x9f/0xf0 [ 287.975596][ T7129] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.975620][ T7129] RIP: 0033:0x7fab0039038a [ 287.975642][ T7129] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 287.975664][ T7129] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 287.975689][ T7129] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 287.975708][ T7129] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 287.975726][ T7129] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 287.975743][ T7129] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 287.975759][ T7129] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 287.975797][ T7129] [ 287.975826][ T7129] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 288.361729][ T7129] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 288.801634][ T7133] loop1: detected capacity change from 0 to 32768 [ 288.818025][ T7133] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 288.826189][ T7133] CPU: 1 UID: 0 PID: 7133 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full) [ 288.826222][ T7133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 288.826238][ T7133] Call Trace: [ 288.826248][ T7133] [ 288.826258][ T7133] dump_stack_lvl+0x189/0x250 [ 288.826297][ T7133] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.826327][ T7133] ? __pfx__printk+0x10/0x10 [ 288.826367][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.826396][ T7133] ? kernfs_path_from_node+0x250/0x290 [ 288.826424][ T7133] ? kernfs_path_from_node+0x2f/0x290 [ 288.826457][ T7133] sysfs_create_dir_ns+0x259/0x280 [ 288.826486][ T7133] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 288.826515][ T7133] ? do_raw_spin_unlock+0x122/0x240 [ 288.826553][ T7133] kobject_add_internal+0x59f/0xb40 [ 288.826590][ T7133] kobject_init_and_add+0x125/0x190 [ 288.826621][ T7133] ? __pfx_kobject_init_and_add+0x10/0x10 [ 288.826648][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.826676][ T7133] ? __raw_spin_lock_init+0x45/0x100 [ 288.826708][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.826737][ T7133] ? __init_swait_queue_head+0xa9/0x150 [ 288.826778][ T7133] gfs2_sys_fs_add+0x234/0x450 [ 288.826808][ T7133] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 288.826843][ T7133] ? is_dynamic_key+0xd6/0x1c0 [ 288.826879][ T7133] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 288.826929][ T7133] gfs2_fill_super+0x13c0/0x20d0 [ 288.826982][ T7133] ? __pfx_gfs2_fill_super+0x10/0x10 [ 288.827013][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.827048][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.827077][ T7133] ? sb_set_blocksize+0x104/0x180 [ 288.827115][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.827143][ T7133] ? setup_bdev_super+0x4c1/0x5b0 [ 288.827183][ T7133] get_tree_bdev_flags+0x40e/0x4d0 [ 288.827218][ T7133] ? __pfx_gfs2_fill_super+0x10/0x10 [ 288.827252][ T7133] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 288.827291][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.827328][ T7133] gfs2_get_tree+0x51/0x1e0 [ 288.827367][ T7133] vfs_get_tree+0x92/0x2b0 [ 288.827405][ T7133] do_new_mount+0x2a2/0x9e0 [ 288.827445][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.827474][ T7133] ? ns_capable+0x8a/0xf0 [ 288.827498][ T7133] ? __pfx_do_new_mount+0x10/0x10 [ 288.827533][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.827561][ T7133] ? path_mount+0x61c/0xfe0 [ 288.827594][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.827637][ T7133] __se_sys_mount+0x317/0x410 [ 288.827682][ T7133] ? __pfx___se_sys_mount+0x10/0x10 [ 288.827718][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.827755][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.827791][ T7133] ? __x64_sys_mount+0x20/0xc0 [ 288.827832][ T7133] do_syscall_64+0xfa/0x3b0 [ 288.827854][ T7133] ? lockdep_hardirqs_on+0x9c/0x150 [ 288.827891][ T7133] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.827915][ T7133] ? srso_alias_return_thunk+0x5/0xfbef5 [ 288.827943][ T7133] ? exc_page_fault+0x9f/0xf0 [ 288.827982][ T7133] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.828006][ T7133] RIP: 0033:0x7fab0039038a [ 288.828028][ T7133] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 288.828050][ T7133] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 288.828075][ T7133] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 288.828094][ T7133] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 288.828113][ T7133] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 288.828131][ T7133] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 288.828148][ T7133] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 288.828186][ T7133] [ 288.828214][ T7133] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 289.211718][ T7133] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 289.654137][ T7137] loop1: detected capacity change from 0 to 32768 [ 289.669950][ T7137] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 289.677539][ T7137] CPU: 0 UID: 0 PID: 7137 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full) [ 289.677570][ T7137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 289.677585][ T7137] Call Trace: [ 289.677595][ T7137] [ 289.677606][ T7137] dump_stack_lvl+0x189/0x250 [ 289.677645][ T7137] ? __pfx_dump_stack_lvl+0x10/0x10 [ 289.677675][ T7137] ? __pfx__printk+0x10/0x10 [ 289.677718][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.677748][ T7137] ? kernfs_path_from_node+0x250/0x290 [ 289.677785][ T7137] ? kernfs_path_from_node+0x2f/0x290 [ 289.677818][ T7137] sysfs_create_dir_ns+0x259/0x280 [ 289.677849][ T7137] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 289.677879][ T7137] ? do_raw_spin_unlock+0x122/0x240 [ 289.677916][ T7137] kobject_add_internal+0x59f/0xb40 [ 289.677953][ T7137] kobject_init_and_add+0x125/0x190 [ 289.677986][ T7137] ? __pfx_kobject_init_and_add+0x10/0x10 [ 289.678014][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.678045][ T7137] ? __raw_spin_lock_init+0x45/0x100 [ 289.678082][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.678109][ T7137] ? __init_swait_queue_head+0xa9/0x150 [ 289.678145][ T7137] gfs2_sys_fs_add+0x234/0x450 [ 289.678175][ T7137] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 289.678209][ T7137] ? is_dynamic_key+0xd6/0x1c0 [ 289.678245][ T7137] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 289.678296][ T7137] gfs2_fill_super+0x13c0/0x20d0 [ 289.678351][ T7137] ? __pfx_gfs2_fill_super+0x10/0x10 [ 289.678384][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.678419][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.678448][ T7137] ? sb_set_blocksize+0x104/0x180 [ 289.678487][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.678515][ T7137] ? setup_bdev_super+0x4c1/0x5b0 [ 289.678555][ T7137] get_tree_bdev_flags+0x40e/0x4d0 [ 289.678590][ T7137] ? __pfx_gfs2_fill_super+0x10/0x10 [ 289.678624][ T7137] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 289.678663][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.678701][ T7137] gfs2_get_tree+0x51/0x1e0 [ 289.678739][ T7137] vfs_get_tree+0x92/0x2b0 [ 289.678784][ T7137] do_new_mount+0x2a2/0x9e0 [ 289.678829][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.678860][ T7137] ? ns_capable+0x8a/0xf0 [ 289.678884][ T7137] ? __pfx_do_new_mount+0x10/0x10 [ 289.678920][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.678949][ T7137] ? path_mount+0x61c/0xfe0 [ 289.678983][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.679027][ T7137] __se_sys_mount+0x317/0x410 [ 289.679073][ T7137] ? __pfx___se_sys_mount+0x10/0x10 [ 289.679110][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.679147][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.679175][ T7137] ? __x64_sys_mount+0x20/0xc0 [ 289.679217][ T7137] do_syscall_64+0xfa/0x3b0 [ 289.679239][ T7137] ? lockdep_hardirqs_on+0x9c/0x150 [ 289.679276][ T7137] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.679300][ T7137] ? srso_alias_return_thunk+0x5/0xfbef5 [ 289.679329][ T7137] ? exc_page_fault+0x9f/0xf0 [ 289.679368][ T7137] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 289.679393][ T7137] RIP: 0033:0x7fab0039038a [ 289.679414][ T7137] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 289.679436][ T7137] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 289.679460][ T7137] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 289.679480][ T7137] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 289.679498][ T7137] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 289.679516][ T7137] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 289.679532][ T7137] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 289.679570][ T7137] [ 289.679611][ T7137] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 290.065340][ T7137] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 290.524744][ T7141] loop1: detected capacity change from 0 to 32768 [ 290.539574][ T7141] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 290.547162][ T7141] CPU: 1 UID: 0 PID: 7141 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full) [ 290.547192][ T7141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 290.547206][ T7141] Call Trace: [ 290.547215][ T7141] [ 290.547225][ T7141] dump_stack_lvl+0x189/0x250 [ 290.547259][ T7141] ? __pfx_dump_stack_lvl+0x10/0x10 [ 290.547285][ T7141] ? __pfx__printk+0x10/0x10 [ 290.547321][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.547347][ T7141] ? kernfs_path_from_node+0x250/0x290 [ 290.547371][ T7141] ? kernfs_path_from_node+0x2f/0x290 [ 290.547399][ T7141] sysfs_create_dir_ns+0x259/0x280 [ 290.547426][ T7141] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 290.547451][ T7141] ? do_raw_spin_unlock+0x122/0x240 [ 290.547484][ T7141] kobject_add_internal+0x59f/0xb40 [ 290.547526][ T7141] kobject_init_and_add+0x125/0x190 [ 290.547554][ T7141] ? __pfx_kobject_init_and_add+0x10/0x10 [ 290.547577][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.547601][ T7141] ? __raw_spin_lock_init+0x45/0x100 [ 290.547629][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.547653][ T7141] ? __init_swait_queue_head+0xa9/0x150 [ 290.547683][ T7141] gfs2_sys_fs_add+0x234/0x450 [ 290.547709][ T7141] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 290.547738][ T7141] ? is_dynamic_key+0xd6/0x1c0 [ 290.547769][ T7141] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 290.547814][ T7141] gfs2_fill_super+0x13c0/0x20d0 [ 290.547865][ T7141] ? __pfx_gfs2_fill_super+0x10/0x10 [ 290.547893][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.547922][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.547947][ T7141] ? sb_set_blocksize+0x104/0x180 [ 290.547980][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.548004][ T7141] ? setup_bdev_super+0x4c1/0x5b0 [ 290.548037][ T7141] get_tree_bdev_flags+0x40e/0x4d0 [ 290.548067][ T7141] ? __pfx_gfs2_fill_super+0x10/0x10 [ 290.548097][ T7141] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 290.548129][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.548162][ T7141] gfs2_get_tree+0x51/0x1e0 [ 290.548193][ T7141] vfs_get_tree+0x92/0x2b0 [ 290.548226][ T7141] do_new_mount+0x2a2/0x9e0 [ 290.548261][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.548285][ T7141] ? ns_capable+0x8a/0xf0 [ 290.548306][ T7141] ? __pfx_do_new_mount+0x10/0x10 [ 290.548336][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.548361][ T7141] ? path_mount+0x61c/0xfe0 [ 290.548390][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.548427][ T7141] __se_sys_mount+0x317/0x410 [ 290.548465][ T7141] ? __pfx___se_sys_mount+0x10/0x10 [ 290.548496][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.548533][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.548557][ T7141] ? __x64_sys_mount+0x20/0xc0 [ 290.548591][ T7141] do_syscall_64+0xfa/0x3b0 [ 290.548611][ T7141] ? lockdep_hardirqs_on+0x9c/0x150 [ 290.548643][ T7141] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.548663][ T7141] ? srso_alias_return_thunk+0x5/0xfbef5 [ 290.548687][ T7141] ? exc_page_fault+0x9f/0xf0 [ 290.548721][ T7141] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 290.548742][ T7141] RIP: 0033:0x7fab0039038a [ 290.548761][ T7141] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 290.548779][ T7141] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 290.548801][ T7141] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 290.548817][ T7141] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 290.548833][ T7141] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 290.548848][ T7141] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 290.548862][ T7141] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 290.548894][ T7141] [ 290.548927][ T7141] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 290.936025][ T7141] gfs2: fsid=syz:syz: error -17 adding sysfs files 2025/08/30 11:22:53 executed programs: 142 [ 291.375016][ T7145] loop1: detected capacity change from 0 to 32768 [ 291.389676][ T7145] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 291.401885][ T7145] CPU: 1 UID: 0 PID: 7145 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full) [ 291.401916][ T7145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 291.401932][ T7145] Call Trace: [ 291.401942][ T7145] [ 291.401953][ T7145] dump_stack_lvl+0x189/0x250 [ 291.401991][ T7145] ? __pfx_dump_stack_lvl+0x10/0x10 [ 291.402030][ T7145] ? __pfx__printk+0x10/0x10 [ 291.402075][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.402104][ T7145] ? kernfs_path_from_node+0x250/0x290 [ 291.402132][ T7145] ? kernfs_path_from_node+0x2f/0x290 [ 291.402164][ T7145] sysfs_create_dir_ns+0x259/0x280 [ 291.402194][ T7145] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 291.402223][ T7145] ? do_raw_spin_unlock+0x122/0x240 [ 291.402260][ T7145] kobject_add_internal+0x59f/0xb40 [ 291.402296][ T7145] kobject_init_and_add+0x125/0x190 [ 291.402328][ T7145] ? __pfx_kobject_init_and_add+0x10/0x10 [ 291.402355][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.402382][ T7145] ? __raw_spin_lock_init+0x45/0x100 [ 291.402414][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.402441][ T7145] ? __init_swait_queue_head+0xa9/0x150 [ 291.402475][ T7145] gfs2_sys_fs_add+0x234/0x450 [ 291.402505][ T7145] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 291.402544][ T7145] ? is_dynamic_key+0xd6/0x1c0 [ 291.402583][ T7145] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 291.402634][ T7145] gfs2_fill_super+0x13c0/0x20d0 [ 291.402688][ T7145] ? __pfx_gfs2_fill_super+0x10/0x10 [ 291.402719][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.402753][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.402780][ T7145] ? sb_set_blocksize+0x104/0x180 [ 291.402818][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.402845][ T7145] ? setup_bdev_super+0x4c1/0x5b0 [ 291.402884][ T7145] get_tree_bdev_flags+0x40e/0x4d0 [ 291.402918][ T7145] ? __pfx_gfs2_fill_super+0x10/0x10 [ 291.402953][ T7145] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 291.402990][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.403028][ T7145] gfs2_get_tree+0x51/0x1e0 [ 291.403065][ T7145] vfs_get_tree+0x92/0x2b0 [ 291.403102][ T7145] do_new_mount+0x2a2/0x9e0 [ 291.403142][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.403170][ T7145] ? ns_capable+0x8a/0xf0 [ 291.403194][ T7145] ? __pfx_do_new_mount+0x10/0x10 [ 291.403229][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.403257][ T7145] ? path_mount+0x61c/0xfe0 [ 291.403290][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.403338][ T7145] __se_sys_mount+0x317/0x410 [ 291.403385][ T7145] ? __pfx___se_sys_mount+0x10/0x10 [ 291.403421][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.403458][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.403486][ T7145] ? __x64_sys_mount+0x20/0xc0 [ 291.403535][ T7145] do_syscall_64+0xfa/0x3b0 [ 291.403557][ T7145] ? lockdep_hardirqs_on+0x9c/0x150 [ 291.403593][ T7145] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.403621][ T7145] ? srso_alias_return_thunk+0x5/0xfbef5 [ 291.403649][ T7145] ? exc_page_fault+0x9f/0xf0 [ 291.403687][ T7145] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.403711][ T7145] RIP: 0033:0x7fab0039038a [ 291.403733][ T7145] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 291.403754][ T7145] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 291.403778][ T7145] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 291.403796][ T7145] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 291.403814][ T7145] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 291.403831][ T7145] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 291.403847][ T7145] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 291.403884][ T7145] [ 291.403951][ T7145] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 291.789059][ T7145] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 292.242226][ T7149] loop1: detected capacity change from 0 to 32768 [ 292.256547][ T7149] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 292.265810][ T7149] CPU: 0 UID: 0 PID: 7149 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full) [ 292.265840][ T7149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 292.265856][ T7149] Call Trace: [ 292.265866][ T7149] [ 292.265876][ T7149] dump_stack_lvl+0x189/0x250 [ 292.265915][ T7149] ? __pfx_dump_stack_lvl+0x10/0x10 [ 292.265946][ T7149] ? __pfx__printk+0x10/0x10 [ 292.265989][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.266020][ T7149] ? kernfs_path_from_node+0x250/0x290 [ 292.266048][ T7149] ? kernfs_path_from_node+0x2f/0x290 [ 292.266081][ T7149] sysfs_create_dir_ns+0x259/0x280 [ 292.266113][ T7149] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 292.266143][ T7149] ? do_raw_spin_unlock+0x122/0x240 [ 292.266181][ T7149] kobject_add_internal+0x59f/0xb40 [ 292.266219][ T7149] kobject_init_and_add+0x125/0x190 [ 292.266251][ T7149] ? __pfx_kobject_init_and_add+0x10/0x10 [ 292.266278][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.266306][ T7149] ? __raw_spin_lock_init+0x45/0x100 [ 292.266339][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.266367][ T7149] ? __init_swait_queue_head+0xa9/0x150 [ 292.266402][ T7149] gfs2_sys_fs_add+0x234/0x450 [ 292.266432][ T7149] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 292.266466][ T7149] ? is_dynamic_key+0xd6/0x1c0 [ 292.266502][ T7149] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 292.266553][ T7149] gfs2_fill_super+0x13c0/0x20d0 [ 292.266608][ T7149] ? __pfx_gfs2_fill_super+0x10/0x10 [ 292.266641][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.266677][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.266705][ T7149] ? sb_set_blocksize+0x104/0x180 [ 292.266744][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.266784][ T7149] ? setup_bdev_super+0x4c1/0x5b0 [ 292.266824][ T7149] get_tree_bdev_flags+0x40e/0x4d0 [ 292.266858][ T7149] ? __pfx_gfs2_fill_super+0x10/0x10 [ 292.266893][ T7149] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 292.266931][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.266969][ T7149] gfs2_get_tree+0x51/0x1e0 [ 292.267007][ T7149] vfs_get_tree+0x92/0x2b0 [ 292.267045][ T7149] do_new_mount+0x2a2/0x9e0 [ 292.267085][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.267114][ T7149] ? ns_capable+0x8a/0xf0 [ 292.267138][ T7149] ? __pfx_do_new_mount+0x10/0x10 [ 292.267174][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.267203][ T7149] ? path_mount+0x61c/0xfe0 [ 292.267238][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.267280][ T7149] __se_sys_mount+0x317/0x410 [ 292.267325][ T7149] ? __pfx___se_sys_mount+0x10/0x10 [ 292.267361][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.267398][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.267427][ T7149] ? __x64_sys_mount+0x20/0xc0 [ 292.267467][ T7149] do_syscall_64+0xfa/0x3b0 [ 292.267490][ T7149] ? lockdep_hardirqs_on+0x9c/0x150 [ 292.267526][ T7149] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.267550][ T7149] ? srso_alias_return_thunk+0x5/0xfbef5 [ 292.267579][ T7149] ? exc_page_fault+0x9f/0xf0 [ 292.267618][ T7149] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.267643][ T7149] RIP: 0033:0x7fab0039038a [ 292.267665][ T7149] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 292.267688][ T7149] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 292.267714][ T7149] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 292.267733][ T7149] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 292.267752][ T7149] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 292.267770][ T7149] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 292.267794][ T7149] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 292.267833][ T7149] [ 292.267860][ T7149] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 292.653202][ T7149] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 292.921910][ T5890] Bluetooth: hci1: command 0x0406 tx timeout [ 293.106930][ T7153] loop1: detected capacity change from 0 to 32768 [ 293.132307][ T7153] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 293.139696][ T7153] CPU: 1 UID: 0 PID: 7153 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full) [ 293.139725][ T7153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 293.139741][ T7153] Call Trace: [ 293.139752][ T7153] [ 293.139762][ T7153] dump_stack_lvl+0x189/0x250 [ 293.139800][ T7153] ? __pfx_dump_stack_lvl+0x10/0x10 [ 293.139830][ T7153] ? __pfx__printk+0x10/0x10 [ 293.139880][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.139909][ T7153] ? kernfs_path_from_node+0x250/0x290 [ 293.139937][ T7153] ? kernfs_path_from_node+0x2f/0x290 [ 293.139969][ T7153] sysfs_create_dir_ns+0x259/0x280 [ 293.140000][ T7153] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 293.140030][ T7153] ? do_raw_spin_unlock+0x122/0x240 [ 293.140069][ T7153] kobject_add_internal+0x59f/0xb40 [ 293.140106][ T7153] kobject_init_and_add+0x125/0x190 [ 293.140139][ T7153] ? __pfx_kobject_init_and_add+0x10/0x10 [ 293.140165][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.140193][ T7153] ? __raw_spin_lock_init+0x45/0x100 [ 293.140225][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.140252][ T7153] ? __init_swait_queue_head+0xa9/0x150 [ 293.140287][ T7153] gfs2_sys_fs_add+0x234/0x450 [ 293.140317][ T7153] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 293.140352][ T7153] ? is_dynamic_key+0xd6/0x1c0 [ 293.140388][ T7153] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 293.140438][ T7153] gfs2_fill_super+0x13c0/0x20d0 [ 293.140492][ T7153] ? __pfx_gfs2_fill_super+0x10/0x10 [ 293.140535][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.140570][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.140598][ T7153] ? sb_set_blocksize+0x104/0x180 [ 293.140636][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.140663][ T7153] ? setup_bdev_super+0x4c1/0x5b0 [ 293.140703][ T7153] get_tree_bdev_flags+0x40e/0x4d0 [ 293.140737][ T7153] ? __pfx_gfs2_fill_super+0x10/0x10 [ 293.140771][ T7153] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 293.140810][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.140847][ T7153] gfs2_get_tree+0x51/0x1e0 [ 293.140885][ T7153] vfs_get_tree+0x92/0x2b0 [ 293.140923][ T7153] do_new_mount+0x2a2/0x9e0 [ 293.140962][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.140990][ T7153] ? ns_capable+0x8a/0xf0 [ 293.141015][ T7153] ? __pfx_do_new_mount+0x10/0x10 [ 293.141054][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.141081][ T7153] ? path_mount+0x61c/0xfe0 [ 293.141115][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.141157][ T7153] __se_sys_mount+0x317/0x410 [ 293.141203][ T7153] ? __pfx___se_sys_mount+0x10/0x10 [ 293.141239][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.141276][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.141305][ T7153] ? __x64_sys_mount+0x20/0xc0 [ 293.141346][ T7153] do_syscall_64+0xfa/0x3b0 [ 293.141369][ T7153] ? lockdep_hardirqs_on+0x9c/0x150 [ 293.141406][ T7153] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.141430][ T7153] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.141458][ T7153] ? exc_page_fault+0x9f/0xf0 [ 293.141497][ T7153] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.141529][ T7153] RIP: 0033:0x7fab0039038a [ 293.141551][ T7153] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 293.141573][ T7153] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 293.141598][ T7153] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 293.141617][ T7153] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 293.141635][ T7153] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 293.141652][ T7153] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 293.141669][ T7153] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 293.141706][ T7153] [ 293.141735][ T7153] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 293.526297][ T7153] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 293.965553][ T7157] loop1: detected capacity change from 0 to 32768 [ 293.989693][ T7157] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 293.997188][ T7157] CPU: 1 UID: 0 PID: 7157 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full) [ 293.997216][ T7157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 293.997232][ T7157] Call Trace: [ 293.997242][ T7157] [ 293.997253][ T7157] dump_stack_lvl+0x189/0x250 [ 293.997291][ T7157] ? __pfx_dump_stack_lvl+0x10/0x10 [ 293.997321][ T7157] ? __pfx__printk+0x10/0x10 [ 293.997363][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.997392][ T7157] ? kernfs_path_from_node+0x250/0x290 [ 293.997419][ T7157] ? kernfs_path_from_node+0x2f/0x290 [ 293.997452][ T7157] sysfs_create_dir_ns+0x259/0x280 [ 293.997482][ T7157] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 293.997512][ T7157] ? do_raw_spin_unlock+0x122/0x240 [ 293.997549][ T7157] kobject_add_internal+0x59f/0xb40 [ 293.997586][ T7157] kobject_init_and_add+0x125/0x190 [ 293.997618][ T7157] ? __pfx_kobject_init_and_add+0x10/0x10 [ 293.997644][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.997672][ T7157] ? __raw_spin_lock_init+0x45/0x100 [ 293.997704][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.997732][ T7157] ? __init_swait_queue_head+0xa9/0x150 [ 293.997767][ T7157] gfs2_sys_fs_add+0x234/0x450 [ 293.997803][ T7157] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 293.997837][ T7157] ? is_dynamic_key+0xd6/0x1c0 [ 293.997872][ T7157] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 293.997923][ T7157] gfs2_fill_super+0x13c0/0x20d0 [ 293.997976][ T7157] ? __pfx_gfs2_fill_super+0x10/0x10 [ 293.998007][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.998041][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.998069][ T7157] ? sb_set_blocksize+0x104/0x180 [ 293.998107][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.998135][ T7157] ? setup_bdev_super+0x4c1/0x5b0 [ 293.998173][ T7157] get_tree_bdev_flags+0x40e/0x4d0 [ 293.998207][ T7157] ? __pfx_gfs2_fill_super+0x10/0x10 [ 293.998242][ T7157] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 293.998279][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.998317][ T7157] gfs2_get_tree+0x51/0x1e0 [ 293.998354][ T7157] vfs_get_tree+0x92/0x2b0 [ 293.998391][ T7157] do_new_mount+0x2a2/0x9e0 [ 293.998432][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.998460][ T7157] ? ns_capable+0x8a/0xf0 [ 293.998484][ T7157] ? __pfx_do_new_mount+0x10/0x10 [ 293.998519][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.998551][ T7157] ? path_mount+0x61c/0xfe0 [ 293.998584][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.998626][ T7157] __se_sys_mount+0x317/0x410 [ 293.998671][ T7157] ? __pfx___se_sys_mount+0x10/0x10 [ 293.998706][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.998743][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.998770][ T7157] ? __x64_sys_mount+0x20/0xc0 [ 293.998817][ T7157] do_syscall_64+0xfa/0x3b0 [ 293.998839][ T7157] ? lockdep_hardirqs_on+0x9c/0x150 [ 293.998875][ T7157] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.998899][ T7157] ? srso_alias_return_thunk+0x5/0xfbef5 [ 293.998927][ T7157] ? exc_page_fault+0x9f/0xf0 [ 293.998965][ T7157] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 293.998989][ T7157] RIP: 0033:0x7fab0039038a [ 293.999010][ T7157] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 293.999032][ T7157] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 293.999056][ T7157] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 293.999075][ T7157] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 293.999094][ T7157] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 293.999111][ T7157] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 293.999127][ T7157] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 293.999164][ T7157] [ 293.999191][ T7157] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 294.383928][ T7157] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 294.821700][ T7161] loop1: detected capacity change from 0 to 32768 [ 294.836787][ T7161] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 294.844882][ T7161] CPU: 1 UID: 0 PID: 7161 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full) [ 294.844912][ T7161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 294.844927][ T7161] Call Trace: [ 294.844937][ T7161] [ 294.844947][ T7161] dump_stack_lvl+0x189/0x250 [ 294.844986][ T7161] ? __pfx_dump_stack_lvl+0x10/0x10 [ 294.845016][ T7161] ? __pfx__printk+0x10/0x10 [ 294.845057][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.845086][ T7161] ? kernfs_path_from_node+0x250/0x290 [ 294.845114][ T7161] ? kernfs_path_from_node+0x2f/0x290 [ 294.845146][ T7161] sysfs_create_dir_ns+0x259/0x280 [ 294.845176][ T7161] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 294.845206][ T7161] ? do_raw_spin_unlock+0x122/0x240 [ 294.845243][ T7161] kobject_add_internal+0x59f/0xb40 [ 294.845279][ T7161] kobject_init_and_add+0x125/0x190 [ 294.845311][ T7161] ? __pfx_kobject_init_and_add+0x10/0x10 [ 294.845337][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.845364][ T7161] ? __raw_spin_lock_init+0x45/0x100 [ 294.845395][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.845423][ T7161] ? __init_swait_queue_head+0xa9/0x150 [ 294.845457][ T7161] gfs2_sys_fs_add+0x234/0x450 [ 294.845487][ T7161] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 294.845521][ T7161] ? is_dynamic_key+0xd6/0x1c0 [ 294.845562][ T7161] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 294.845611][ T7161] gfs2_fill_super+0x13c0/0x20d0 [ 294.845664][ T7161] ? __pfx_gfs2_fill_super+0x10/0x10 [ 294.845696][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.845730][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.845757][ T7161] ? sb_set_blocksize+0x104/0x180 [ 294.845794][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.845822][ T7161] ? setup_bdev_super+0x4c1/0x5b0 [ 294.845860][ T7161] get_tree_bdev_flags+0x40e/0x4d0 [ 294.845896][ T7161] ? __pfx_gfs2_fill_super+0x10/0x10 [ 294.845931][ T7161] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 294.845972][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.846010][ T7161] gfs2_get_tree+0x51/0x1e0 [ 294.846048][ T7161] vfs_get_tree+0x92/0x2b0 [ 294.846086][ T7161] do_new_mount+0x2a2/0x9e0 [ 294.846125][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.846153][ T7161] ? ns_capable+0x8a/0xf0 [ 294.846176][ T7161] ? __pfx_do_new_mount+0x10/0x10 [ 294.846211][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.846239][ T7161] ? path_mount+0x61c/0xfe0 [ 294.846273][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.846314][ T7161] __se_sys_mount+0x317/0x410 [ 294.846358][ T7161] ? __pfx___se_sys_mount+0x10/0x10 [ 294.846393][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.846429][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.846457][ T7161] ? __x64_sys_mount+0x20/0xc0 [ 294.846497][ T7161] do_syscall_64+0xfa/0x3b0 [ 294.846519][ T7161] ? lockdep_hardirqs_on+0x9c/0x150 [ 294.846561][ T7161] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.846584][ T7161] ? srso_alias_return_thunk+0x5/0xfbef5 [ 294.846612][ T7161] ? exc_page_fault+0x9f/0xf0 [ 294.846650][ T7161] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 294.846674][ T7161] RIP: 0033:0x7fab0039038a [ 294.846695][ T7161] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 294.846717][ T7161] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 294.846742][ T7161] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 294.846760][ T7161] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 294.846778][ T7161] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 294.846795][ T7161] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 294.846811][ T7161] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 294.846848][ T7161] [ 294.847441][ T7161] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 295.234874][ T7161] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 295.696553][ T7165] loop1: detected capacity change from 0 to 32768 [ 295.711731][ T7165] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 295.727761][ T7165] CPU: 0 UID: 0 PID: 7165 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full) [ 295.727797][ T7165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 295.727813][ T7165] Call Trace: [ 295.727823][ T7165] [ 295.727834][ T7165] dump_stack_lvl+0x189/0x250 [ 295.727873][ T7165] ? __pfx_dump_stack_lvl+0x10/0x10 [ 295.727903][ T7165] ? __pfx__printk+0x10/0x10 [ 295.727946][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.727976][ T7165] ? kernfs_path_from_node+0x250/0x290 [ 295.728004][ T7165] ? kernfs_path_from_node+0x2f/0x290 [ 295.728037][ T7165] sysfs_create_dir_ns+0x259/0x280 [ 295.728068][ T7165] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 295.728097][ T7165] ? do_raw_spin_unlock+0x122/0x240 [ 295.728135][ T7165] kobject_add_internal+0x59f/0xb40 [ 295.728172][ T7165] kobject_init_and_add+0x125/0x190 [ 295.728205][ T7165] ? __pfx_kobject_init_and_add+0x10/0x10 [ 295.728232][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.728261][ T7165] ? __raw_spin_lock_init+0x45/0x100 [ 295.728295][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.728324][ T7165] ? __init_swait_queue_head+0xa9/0x150 [ 295.728359][ T7165] gfs2_sys_fs_add+0x234/0x450 [ 295.728390][ T7165] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 295.728425][ T7165] ? is_dynamic_key+0xd6/0x1c0 [ 295.728461][ T7165] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 295.728512][ T7165] gfs2_fill_super+0x13c0/0x20d0 [ 295.728566][ T7165] ? __pfx_gfs2_fill_super+0x10/0x10 [ 295.728598][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.728633][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.728661][ T7165] ? sb_set_blocksize+0x104/0x180 [ 295.728699][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.728728][ T7165] ? setup_bdev_super+0x4c1/0x5b0 [ 295.728767][ T7165] get_tree_bdev_flags+0x40e/0x4d0 [ 295.728810][ T7165] ? __pfx_gfs2_fill_super+0x10/0x10 [ 295.728845][ T7165] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 295.728884][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.728923][ T7165] gfs2_get_tree+0x51/0x1e0 [ 295.728962][ T7165] vfs_get_tree+0x92/0x2b0 [ 295.729001][ T7165] do_new_mount+0x2a2/0x9e0 [ 295.729043][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.729072][ T7165] ? ns_capable+0x8a/0xf0 [ 295.729096][ T7165] ? __pfx_do_new_mount+0x10/0x10 [ 295.729132][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.729160][ T7165] ? path_mount+0x61c/0xfe0 [ 295.729195][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.729238][ T7165] __se_sys_mount+0x317/0x410 [ 295.729283][ T7165] ? __pfx___se_sys_mount+0x10/0x10 [ 295.729319][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.729355][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.729383][ T7165] ? __x64_sys_mount+0x20/0xc0 [ 295.729425][ T7165] do_syscall_64+0xfa/0x3b0 [ 295.729448][ T7165] ? lockdep_hardirqs_on+0x9c/0x150 [ 295.729485][ T7165] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.729510][ T7165] ? srso_alias_return_thunk+0x5/0xfbef5 [ 295.729536][ T7165] ? exc_page_fault+0x9f/0xf0 [ 295.729576][ T7165] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 295.729601][ T7165] RIP: 0033:0x7fab0039038a [ 295.729624][ T7165] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 295.729646][ T7165] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 295.729672][ T7165] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 295.729691][ T7165] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 295.729710][ T7165] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 295.729728][ T7165] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 295.729744][ T7165] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 295.729789][ T7165] [ 295.729818][ T7165] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 296.116275][ T7165] gfs2: fsid=syz:syz: error -17 adding sysfs files 2025/08/30 11:22:58 executed programs: 148 [ 296.570618][ T7169] loop1: detected capacity change from 0 to 32768 [ 296.603097][ T7169] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 296.610568][ T7169] CPU: 0 UID: 0 PID: 7169 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full) [ 296.610599][ T7169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 296.610614][ T7169] Call Trace: [ 296.610624][ T7169] [ 296.610635][ T7169] dump_stack_lvl+0x189/0x250 [ 296.610675][ T7169] ? __pfx_dump_stack_lvl+0x10/0x10 [ 296.610705][ T7169] ? __pfx__printk+0x10/0x10 [ 296.610747][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.610777][ T7169] ? kernfs_path_from_node+0x250/0x290 [ 296.610805][ T7169] ? kernfs_path_from_node+0x2f/0x290 [ 296.610838][ T7169] sysfs_create_dir_ns+0x259/0x280 [ 296.610868][ T7169] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 296.610898][ T7169] ? do_raw_spin_unlock+0x122/0x240 [ 296.610935][ T7169] kobject_add_internal+0x59f/0xb40 [ 296.610972][ T7169] kobject_init_and_add+0x125/0x190 [ 296.611004][ T7169] ? __pfx_kobject_init_and_add+0x10/0x10 [ 296.611031][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.611063][ T7169] ? __raw_spin_lock_init+0x45/0x100 [ 296.611095][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.611123][ T7169] ? __init_swait_queue_head+0xa9/0x150 [ 296.611158][ T7169] gfs2_sys_fs_add+0x234/0x450 [ 296.611189][ T7169] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 296.611224][ T7169] ? is_dynamic_key+0xd6/0x1c0 [ 296.611260][ T7169] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 296.611311][ T7169] gfs2_fill_super+0x13c0/0x20d0 [ 296.611366][ T7169] ? __pfx_gfs2_fill_super+0x10/0x10 [ 296.611398][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.611433][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.611461][ T7169] ? sb_set_blocksize+0x104/0x180 [ 296.611500][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.611537][ T7169] ? setup_bdev_super+0x4c1/0x5b0 [ 296.611576][ T7169] get_tree_bdev_flags+0x40e/0x4d0 [ 296.611609][ T7169] ? __pfx_gfs2_fill_super+0x10/0x10 [ 296.611644][ T7169] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 296.611682][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.611720][ T7169] gfs2_get_tree+0x51/0x1e0 [ 296.611757][ T7169] vfs_get_tree+0x92/0x2b0 [ 296.611799][ T7169] do_new_mount+0x2a2/0x9e0 [ 296.611841][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.611869][ T7169] ? ns_capable+0x8a/0xf0 [ 296.611893][ T7169] ? __pfx_do_new_mount+0x10/0x10 [ 296.611928][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.611956][ T7169] ? path_mount+0x61c/0xfe0 [ 296.611990][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.612032][ T7169] __se_sys_mount+0x317/0x410 [ 296.612076][ T7169] ? __pfx___se_sys_mount+0x10/0x10 [ 296.612113][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.612150][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.612178][ T7169] ? __x64_sys_mount+0x20/0xc0 [ 296.612219][ T7169] do_syscall_64+0xfa/0x3b0 [ 296.612241][ T7169] ? lockdep_hardirqs_on+0x9c/0x150 [ 296.612279][ T7169] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.612303][ T7169] ? srso_alias_return_thunk+0x5/0xfbef5 [ 296.612331][ T7169] ? exc_page_fault+0x9f/0xf0 [ 296.612370][ T7169] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 296.612394][ T7169] RIP: 0033:0x7fab0039038a [ 296.612417][ T7169] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 296.612439][ T7169] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 296.612464][ T7169] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 296.612483][ T7169] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 296.612502][ T7169] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 296.612519][ T7169] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 296.612566][ T7169] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 296.612604][ T7169] [ 296.981638][ T7169] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 296.997095][ T7169] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 297.454309][ T7173] loop1: detected capacity change from 0 to 32768 [ 297.473469][ T7173] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 297.480869][ T7173] CPU: 1 UID: 0 PID: 7173 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full) [ 297.480899][ T7173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 297.480914][ T7173] Call Trace: [ 297.480924][ T7173] [ 297.480935][ T7173] dump_stack_lvl+0x189/0x250 [ 297.480973][ T7173] ? __pfx_dump_stack_lvl+0x10/0x10 [ 297.481004][ T7173] ? __pfx__printk+0x10/0x10 [ 297.481047][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.481076][ T7173] ? kernfs_path_from_node+0x250/0x290 [ 297.481105][ T7173] ? kernfs_path_from_node+0x2f/0x290 [ 297.481139][ T7173] sysfs_create_dir_ns+0x259/0x280 [ 297.481170][ T7173] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 297.481201][ T7173] ? do_raw_spin_unlock+0x122/0x240 [ 297.481239][ T7173] kobject_add_internal+0x59f/0xb40 [ 297.481277][ T7173] kobject_init_and_add+0x125/0x190 [ 297.481309][ T7173] ? __pfx_kobject_init_and_add+0x10/0x10 [ 297.481336][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.481365][ T7173] ? __raw_spin_lock_init+0x45/0x100 [ 297.481398][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.481425][ T7173] ? __init_swait_queue_head+0xa9/0x150 [ 297.481461][ T7173] gfs2_sys_fs_add+0x234/0x450 [ 297.481491][ T7173] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 297.481526][ T7173] ? is_dynamic_key+0xd6/0x1c0 [ 297.481561][ T7173] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 297.481611][ T7173] gfs2_fill_super+0x13c0/0x20d0 [ 297.481666][ T7173] ? __pfx_gfs2_fill_super+0x10/0x10 [ 297.481699][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.481734][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.481764][ T7173] ? sb_set_blocksize+0x104/0x180 [ 297.481816][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.481844][ T7173] ? setup_bdev_super+0x4c1/0x5b0 [ 297.481884][ T7173] get_tree_bdev_flags+0x40e/0x4d0 [ 297.481920][ T7173] ? __pfx_gfs2_fill_super+0x10/0x10 [ 297.481955][ T7173] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 297.481993][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.482030][ T7173] gfs2_get_tree+0x51/0x1e0 [ 297.482069][ T7173] vfs_get_tree+0x92/0x2b0 [ 297.482107][ T7173] do_new_mount+0x2a2/0x9e0 [ 297.482148][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.482176][ T7173] ? ns_capable+0x8a/0xf0 [ 297.482200][ T7173] ? __pfx_do_new_mount+0x10/0x10 [ 297.482236][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.482264][ T7173] ? path_mount+0x61c/0xfe0 [ 297.482299][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.482341][ T7173] __se_sys_mount+0x317/0x410 [ 297.482387][ T7173] ? __pfx___se_sys_mount+0x10/0x10 [ 297.482423][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.482460][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.482489][ T7173] ? __x64_sys_mount+0x20/0xc0 [ 297.482530][ T7173] do_syscall_64+0xfa/0x3b0 [ 297.482552][ T7173] ? lockdep_hardirqs_on+0x9c/0x150 [ 297.482589][ T7173] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 297.482612][ T7173] ? srso_alias_return_thunk+0x5/0xfbef5 [ 297.482641][ T7173] ? exc_page_fault+0x9f/0xf0 [ 297.482679][ T7173] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 297.482704][ T7173] RIP: 0033:0x7fab0039038a [ 297.482725][ T7173] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 297.482748][ T7173] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 297.482784][ T7173] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 297.482803][ T7173] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 297.482822][ T7173] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 297.482839][ T7173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 297.482856][ T7173] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 297.482894][ T7173] [ 297.855868][ T7173] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 297.869894][ T7173] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 298.285910][ T7177] loop1: detected capacity change from 0 to 32768 [ 298.314582][ T7177] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 298.322178][ T7177] CPU: 0 UID: 0 PID: 7177 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full) [ 298.322207][ T7177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 298.322223][ T7177] Call Trace: [ 298.322233][ T7177] [ 298.322244][ T7177] dump_stack_lvl+0x189/0x250 [ 298.322282][ T7177] ? __pfx_dump_stack_lvl+0x10/0x10 [ 298.322311][ T7177] ? __pfx__printk+0x10/0x10 [ 298.322352][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.322381][ T7177] ? kernfs_path_from_node+0x250/0x290 [ 298.322408][ T7177] ? kernfs_path_from_node+0x2f/0x290 [ 298.322440][ T7177] sysfs_create_dir_ns+0x259/0x280 [ 298.322470][ T7177] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 298.322499][ T7177] ? do_raw_spin_unlock+0x122/0x240 [ 298.322542][ T7177] kobject_add_internal+0x59f/0xb40 [ 298.322579][ T7177] kobject_init_and_add+0x125/0x190 [ 298.322611][ T7177] ? __pfx_kobject_init_and_add+0x10/0x10 [ 298.322637][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.322665][ T7177] ? __raw_spin_lock_init+0x45/0x100 [ 298.322697][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.322724][ T7177] ? __init_swait_queue_head+0xa9/0x150 [ 298.322759][ T7177] gfs2_sys_fs_add+0x234/0x450 [ 298.322787][ T7177] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 298.322821][ T7177] ? is_dynamic_key+0xd6/0x1c0 [ 298.322856][ T7177] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 298.322906][ T7177] gfs2_fill_super+0x13c0/0x20d0 [ 298.322957][ T7177] ? __pfx_gfs2_fill_super+0x10/0x10 [ 298.322989][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.323022][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.323050][ T7177] ? sb_set_blocksize+0x104/0x180 [ 298.323087][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.323114][ T7177] ? setup_bdev_super+0x4c1/0x5b0 [ 298.323152][ T7177] get_tree_bdev_flags+0x40e/0x4d0 [ 298.323186][ T7177] ? __pfx_gfs2_fill_super+0x10/0x10 [ 298.323220][ T7177] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 298.323257][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.323294][ T7177] gfs2_get_tree+0x51/0x1e0 [ 298.323331][ T7177] vfs_get_tree+0x92/0x2b0 [ 298.323368][ T7177] do_new_mount+0x2a2/0x9e0 [ 298.323408][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.323436][ T7177] ? ns_capable+0x8a/0xf0 [ 298.323460][ T7177] ? __pfx_do_new_mount+0x10/0x10 [ 298.323494][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.323527][ T7177] ? path_mount+0x61c/0xfe0 [ 298.323562][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.323604][ T7177] __se_sys_mount+0x317/0x410 [ 298.323649][ T7177] ? __pfx___se_sys_mount+0x10/0x10 [ 298.323685][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.323722][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.323750][ T7177] ? __x64_sys_mount+0x20/0xc0 [ 298.323790][ T7177] do_syscall_64+0xfa/0x3b0 [ 298.323813][ T7177] ? lockdep_hardirqs_on+0x9c/0x150 [ 298.323849][ T7177] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.323874][ T7177] ? srso_alias_return_thunk+0x5/0xfbef5 [ 298.323902][ T7177] ? exc_page_fault+0x9f/0xf0 [ 298.323941][ T7177] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 298.323965][ T7177] RIP: 0033:0x7fab0039038a [ 298.323987][ T7177] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 298.324008][ T7177] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 298.324033][ T7177] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 298.324053][ T7177] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 298.324071][ T7177] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 298.324088][ T7177] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 298.324105][ T7177] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 298.324143][ T7177] [ 298.324170][ T7177] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 298.710874][ T7177] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 299.168148][ T7181] loop1: detected capacity change from 0 to 32768 [ 299.192206][ T7181] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 299.199594][ T7181] CPU: 1 UID: 0 PID: 7181 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full) [ 299.199623][ T7181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 299.199638][ T7181] Call Trace: [ 299.199647][ T7181] [ 299.199658][ T7181] dump_stack_lvl+0x189/0x250 [ 299.199696][ T7181] ? __pfx_dump_stack_lvl+0x10/0x10 [ 299.199727][ T7181] ? __pfx__printk+0x10/0x10 [ 299.199769][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.199803][ T7181] ? kernfs_path_from_node+0x250/0x290 [ 299.199830][ T7181] ? kernfs_path_from_node+0x2f/0x290 [ 299.199863][ T7181] sysfs_create_dir_ns+0x259/0x280 [ 299.199893][ T7181] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 299.199922][ T7181] ? do_raw_spin_unlock+0x122/0x240 [ 299.199960][ T7181] kobject_add_internal+0x59f/0xb40 [ 299.199997][ T7181] kobject_init_and_add+0x125/0x190 [ 299.200029][ T7181] ? __pfx_kobject_init_and_add+0x10/0x10 [ 299.200056][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.200084][ T7181] ? __raw_spin_lock_init+0x45/0x100 [ 299.200116][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.200144][ T7181] ? __init_swait_queue_head+0xa9/0x150 [ 299.200178][ T7181] gfs2_sys_fs_add+0x234/0x450 [ 299.200208][ T7181] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 299.200242][ T7181] ? is_dynamic_key+0xd6/0x1c0 [ 299.200277][ T7181] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 299.200327][ T7181] gfs2_fill_super+0x13c0/0x20d0 [ 299.200380][ T7181] ? __pfx_gfs2_fill_super+0x10/0x10 [ 299.200412][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.200446][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.200474][ T7181] ? sb_set_blocksize+0x104/0x180 [ 299.200512][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.200539][ T7181] ? setup_bdev_super+0x4c1/0x5b0 [ 299.200578][ T7181] get_tree_bdev_flags+0x40e/0x4d0 [ 299.200612][ T7181] ? __pfx_gfs2_fill_super+0x10/0x10 [ 299.200646][ T7181] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 299.200684][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.200721][ T7181] gfs2_get_tree+0x51/0x1e0 [ 299.200759][ T7181] vfs_get_tree+0x92/0x2b0 [ 299.200800][ T7181] do_new_mount+0x2a2/0x9e0 [ 299.200841][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.200868][ T7181] ? ns_capable+0x8a/0xf0 [ 299.200892][ T7181] ? __pfx_do_new_mount+0x10/0x10 [ 299.200927][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.200955][ T7181] ? path_mount+0x61c/0xfe0 [ 299.200989][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.201031][ T7181] __se_sys_mount+0x317/0x410 [ 299.201075][ T7181] ? __pfx___se_sys_mount+0x10/0x10 [ 299.201111][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.201147][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.201175][ T7181] ? __x64_sys_mount+0x20/0xc0 [ 299.201215][ T7181] do_syscall_64+0xfa/0x3b0 [ 299.201238][ T7181] ? lockdep_hardirqs_on+0x9c/0x150 [ 299.201275][ T7181] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.201299][ T7181] ? srso_alias_return_thunk+0x5/0xfbef5 [ 299.201327][ T7181] ? exc_page_fault+0x9f/0xf0 [ 299.201365][ T7181] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 299.201389][ T7181] RIP: 0033:0x7fab0039038a [ 299.201411][ T7181] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 299.201432][ T7181] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 299.201456][ T7181] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 299.201475][ T7181] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 299.201494][ T7181] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 299.201511][ T7181] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 299.201528][ T7181] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 299.201565][ T7181] [ 299.201592][ T7181] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 299.587699][ T7181] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 300.046893][ T7185] loop1: detected capacity change from 0 to 32768 [ 300.058449][ T7185] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 300.066555][ T7185] CPU: 1 UID: 0 PID: 7185 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full) [ 300.066584][ T7185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 300.066599][ T7185] Call Trace: [ 300.066610][ T7185] [ 300.066620][ T7185] dump_stack_lvl+0x189/0x250 [ 300.066659][ T7185] ? __pfx_dump_stack_lvl+0x10/0x10 [ 300.066690][ T7185] ? __pfx__printk+0x10/0x10 [ 300.066732][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.066761][ T7185] ? kernfs_path_from_node+0x250/0x290 [ 300.066788][ T7185] ? kernfs_path_from_node+0x2f/0x290 [ 300.066821][ T7185] sysfs_create_dir_ns+0x259/0x280 [ 300.066851][ T7185] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 300.066881][ T7185] ? do_raw_spin_unlock+0x122/0x240 [ 300.066919][ T7185] kobject_add_internal+0x59f/0xb40 [ 300.066955][ T7185] kobject_init_and_add+0x125/0x190 [ 300.066988][ T7185] ? __pfx_kobject_init_and_add+0x10/0x10 [ 300.067013][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.067042][ T7185] ? __raw_spin_lock_init+0x45/0x100 [ 300.067074][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.067102][ T7185] ? __init_swait_queue_head+0xa9/0x150 [ 300.067137][ T7185] gfs2_sys_fs_add+0x234/0x450 [ 300.067167][ T7185] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 300.067201][ T7185] ? is_dynamic_key+0xd6/0x1c0 [ 300.067236][ T7185] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 300.067286][ T7185] gfs2_fill_super+0x13c0/0x20d0 [ 300.067339][ T7185] ? __pfx_gfs2_fill_super+0x10/0x10 [ 300.067371][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.067406][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.067434][ T7185] ? sb_set_blocksize+0x104/0x180 [ 300.067470][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.067499][ T7185] ? setup_bdev_super+0x4c1/0x5b0 [ 300.067547][ T7185] get_tree_bdev_flags+0x40e/0x4d0 [ 300.067581][ T7185] ? __pfx_gfs2_fill_super+0x10/0x10 [ 300.067615][ T7185] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 300.067652][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.067689][ T7185] gfs2_get_tree+0x51/0x1e0 [ 300.067727][ T7185] vfs_get_tree+0x92/0x2b0 [ 300.067765][ T7185] do_new_mount+0x2a2/0x9e0 [ 300.067804][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.067833][ T7185] ? ns_capable+0x8a/0xf0 [ 300.067857][ T7185] ? __pfx_do_new_mount+0x10/0x10 [ 300.067893][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.067921][ T7185] ? path_mount+0x61c/0xfe0 [ 300.067955][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.067997][ T7185] __se_sys_mount+0x317/0x410 [ 300.068042][ T7185] ? __pfx___se_sys_mount+0x10/0x10 [ 300.068077][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.068113][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.068141][ T7185] ? __x64_sys_mount+0x20/0xc0 [ 300.068186][ T7185] do_syscall_64+0xfa/0x3b0 [ 300.068207][ T7185] ? lockdep_hardirqs_on+0x9c/0x150 [ 300.068243][ T7185] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.068267][ T7185] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.068295][ T7185] ? exc_page_fault+0x9f/0xf0 [ 300.068334][ T7185] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.068358][ T7185] RIP: 0033:0x7fab0039038a [ 300.068379][ T7185] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 300.068400][ T7185] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 300.068425][ T7185] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 300.068444][ T7185] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 300.068462][ T7185] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 300.068480][ T7185] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 300.068496][ T7185] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 300.068534][ T7185] [ 300.068568][ T7185] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 300.452396][ T7185] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 300.890217][ T7189] loop1: detected capacity change from 0 to 32768 [ 300.914854][ T7189] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 300.922494][ T7189] CPU: 0 UID: 0 PID: 7189 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full) [ 300.922522][ T7189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 300.922538][ T7189] Call Trace: [ 300.922548][ T7189] [ 300.922558][ T7189] dump_stack_lvl+0x189/0x250 [ 300.922596][ T7189] ? __pfx_dump_stack_lvl+0x10/0x10 [ 300.922627][ T7189] ? __pfx__printk+0x10/0x10 [ 300.922668][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.922697][ T7189] ? kernfs_path_from_node+0x250/0x290 [ 300.922724][ T7189] ? kernfs_path_from_node+0x2f/0x290 [ 300.922756][ T7189] sysfs_create_dir_ns+0x259/0x280 [ 300.922791][ T7189] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 300.922821][ T7189] ? do_raw_spin_unlock+0x122/0x240 [ 300.922859][ T7189] kobject_add_internal+0x59f/0xb40 [ 300.922896][ T7189] kobject_init_and_add+0x125/0x190 [ 300.922928][ T7189] ? __pfx_kobject_init_and_add+0x10/0x10 [ 300.922954][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.922982][ T7189] ? __raw_spin_lock_init+0x45/0x100 [ 300.923014][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.923042][ T7189] ? __init_swait_queue_head+0xa9/0x150 [ 300.923077][ T7189] gfs2_sys_fs_add+0x234/0x450 [ 300.923107][ T7189] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 300.923141][ T7189] ? is_dynamic_key+0xd6/0x1c0 [ 300.923176][ T7189] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 300.923226][ T7189] gfs2_fill_super+0x13c0/0x20d0 [ 300.923279][ T7189] ? __pfx_gfs2_fill_super+0x10/0x10 [ 300.923310][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.923344][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.923371][ T7189] ? sb_set_blocksize+0x104/0x180 [ 300.923409][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.923437][ T7189] ? setup_bdev_super+0x4c1/0x5b0 [ 300.923476][ T7189] get_tree_bdev_flags+0x40e/0x4d0 [ 300.923510][ T7189] ? __pfx_gfs2_fill_super+0x10/0x10 [ 300.923544][ T7189] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 300.923582][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.923620][ T7189] gfs2_get_tree+0x51/0x1e0 [ 300.923657][ T7189] vfs_get_tree+0x92/0x2b0 [ 300.923695][ T7189] do_new_mount+0x2a2/0x9e0 [ 300.923735][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.923763][ T7189] ? ns_capable+0x8a/0xf0 [ 300.923792][ T7189] ? __pfx_do_new_mount+0x10/0x10 [ 300.923828][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.923856][ T7189] ? path_mount+0x61c/0xfe0 [ 300.923891][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.923934][ T7189] __se_sys_mount+0x317/0x410 [ 300.923980][ T7189] ? __pfx___se_sys_mount+0x10/0x10 [ 300.924015][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.924052][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.924081][ T7189] ? __x64_sys_mount+0x20/0xc0 [ 300.924123][ T7189] do_syscall_64+0xfa/0x3b0 [ 300.924150][ T7189] ? lockdep_hardirqs_on+0x9c/0x150 [ 300.924186][ T7189] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.924210][ T7189] ? srso_alias_return_thunk+0x5/0xfbef5 [ 300.924239][ T7189] ? exc_page_fault+0x9f/0xf0 [ 300.924278][ T7189] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 300.924303][ T7189] RIP: 0033:0x7fab0039038a [ 300.924325][ T7189] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 300.924347][ T7189] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 300.924372][ T7189] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 300.924392][ T7189] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 300.924412][ T7189] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 300.924430][ T7189] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 300.924447][ T7189] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 300.924486][ T7189] [ 300.924579][ T7189] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 301.315842][ T7189] gfs2: fsid=syz:syz: error -17 adding sysfs files 2025/08/30 11:23:03 executed programs: 154 [ 301.758544][ T7193] loop1: detected capacity change from 0 to 32768 [ 301.773517][ T7193] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 301.781209][ T7193] CPU: 1 UID: 0 PID: 7193 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full) [ 301.781239][ T7193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 301.781254][ T7193] Call Trace: [ 301.781265][ T7193] [ 301.781275][ T7193] dump_stack_lvl+0x189/0x250 [ 301.781313][ T7193] ? __pfx_dump_stack_lvl+0x10/0x10 [ 301.781345][ T7193] ? __pfx__printk+0x10/0x10 [ 301.781387][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.781417][ T7193] ? kernfs_path_from_node+0x250/0x290 [ 301.781445][ T7193] ? kernfs_path_from_node+0x2f/0x290 [ 301.781480][ T7193] sysfs_create_dir_ns+0x259/0x280 [ 301.781512][ T7193] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 301.781542][ T7193] ? do_raw_spin_unlock+0x122/0x240 [ 301.781581][ T7193] kobject_add_internal+0x59f/0xb40 [ 301.781620][ T7193] kobject_init_and_add+0x125/0x190 [ 301.781652][ T7193] ? __pfx_kobject_init_and_add+0x10/0x10 [ 301.781679][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.781709][ T7193] ? __raw_spin_lock_init+0x45/0x100 [ 301.781741][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.781769][ T7193] ? __init_swait_queue_head+0xa9/0x150 [ 301.781816][ T7193] gfs2_sys_fs_add+0x234/0x450 [ 301.781847][ T7193] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 301.781883][ T7193] ? is_dynamic_key+0xd6/0x1c0 [ 301.781919][ T7193] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 301.781970][ T7193] gfs2_fill_super+0x13c0/0x20d0 [ 301.782025][ T7193] ? __pfx_gfs2_fill_super+0x10/0x10 [ 301.782057][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.782092][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.782120][ T7193] ? sb_set_blocksize+0x104/0x180 [ 301.782159][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.782188][ T7193] ? setup_bdev_super+0x4c1/0x5b0 [ 301.782232][ T7193] get_tree_bdev_flags+0x40e/0x4d0 [ 301.782268][ T7193] ? __pfx_gfs2_fill_super+0x10/0x10 [ 301.782303][ T7193] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 301.782342][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.782380][ T7193] gfs2_get_tree+0x51/0x1e0 [ 301.782419][ T7193] vfs_get_tree+0x92/0x2b0 [ 301.782458][ T7193] do_new_mount+0x2a2/0x9e0 [ 301.782499][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.782527][ T7193] ? ns_capable+0x8a/0xf0 [ 301.782552][ T7193] ? __pfx_do_new_mount+0x10/0x10 [ 301.782588][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.782617][ T7193] ? path_mount+0x61c/0xfe0 [ 301.782651][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.782694][ T7193] __se_sys_mount+0x317/0x410 [ 301.782739][ T7193] ? __pfx___se_sys_mount+0x10/0x10 [ 301.782784][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.782822][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.782850][ T7193] ? __x64_sys_mount+0x20/0xc0 [ 301.782892][ T7193] do_syscall_64+0xfa/0x3b0 [ 301.782915][ T7193] ? lockdep_hardirqs_on+0x9c/0x150 [ 301.782952][ T7193] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.782976][ T7193] ? srso_alias_return_thunk+0x5/0xfbef5 [ 301.783004][ T7193] ? exc_page_fault+0x9f/0xf0 [ 301.783044][ T7193] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 301.783068][ T7193] RIP: 0033:0x7fab0039038a [ 301.783090][ T7193] 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 [ 301.783111][ T7193] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 301.783137][ T7193] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 301.783156][ T7193] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 301.783175][ T7193] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 301.783192][ T7193] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 301.783209][ T7193] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 301.783248][ T7193] [ 302.151191][ T7193] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 302.165392][ T7193] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 302.604948][ T7197] loop1: detected capacity change from 0 to 32768 [ 302.618593][ T7197] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 302.626742][ T7197] CPU: 1 UID: 0 PID: 7197 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full) [ 302.626771][ T7197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 302.626787][ T7197] Call Trace: [ 302.626803][ T7197] [ 302.626814][ T7197] dump_stack_lvl+0x189/0x250 [ 302.626852][ T7197] ? __pfx_dump_stack_lvl+0x10/0x10 [ 302.626883][ T7197] ? __pfx__printk+0x10/0x10 [ 302.626924][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.626953][ T7197] ? kernfs_path_from_node+0x250/0x290 [ 302.626980][ T7197] ? kernfs_path_from_node+0x2f/0x290 [ 302.627012][ T7197] sysfs_create_dir_ns+0x259/0x280 [ 302.627043][ T7197] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 302.627072][ T7197] ? do_raw_spin_unlock+0x122/0x240 [ 302.627109][ T7197] kobject_add_internal+0x59f/0xb40 [ 302.627146][ T7197] kobject_init_and_add+0x125/0x190 [ 302.627182][ T7197] ? __pfx_kobject_init_and_add+0x10/0x10 [ 302.627208][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.627236][ T7197] ? __raw_spin_lock_init+0x45/0x100 [ 302.627267][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.627295][ T7197] ? __init_swait_queue_head+0xa9/0x150 [ 302.627330][ T7197] gfs2_sys_fs_add+0x234/0x450 [ 302.627360][ T7197] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 302.627394][ T7197] ? is_dynamic_key+0xd6/0x1c0 [ 302.627429][ T7197] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 302.627479][ T7197] gfs2_fill_super+0x13c0/0x20d0 [ 302.627534][ T7197] ? __pfx_gfs2_fill_super+0x10/0x10 [ 302.627564][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.627599][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.627627][ T7197] ? sb_set_blocksize+0x104/0x180 [ 302.627666][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.627695][ T7197] ? setup_bdev_super+0x4c1/0x5b0 [ 302.627735][ T7197] get_tree_bdev_flags+0x40e/0x4d0 [ 302.627770][ T7197] ? __pfx_gfs2_fill_super+0x10/0x10 [ 302.627816][ T7197] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 302.627855][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.627893][ T7197] gfs2_get_tree+0x51/0x1e0 [ 302.627931][ T7197] vfs_get_tree+0x92/0x2b0 [ 302.627969][ T7197] do_new_mount+0x2a2/0x9e0 [ 302.628010][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.628038][ T7197] ? ns_capable+0x8a/0xf0 [ 302.628063][ T7197] ? __pfx_do_new_mount+0x10/0x10 [ 302.628099][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.628128][ T7197] ? path_mount+0x61c/0xfe0 [ 302.628163][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.628206][ T7197] __se_sys_mount+0x317/0x410 [ 302.628252][ T7197] ? __pfx___se_sys_mount+0x10/0x10 [ 302.628289][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.628326][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.628354][ T7197] ? __x64_sys_mount+0x20/0xc0 [ 302.628395][ T7197] do_syscall_64+0xfa/0x3b0 [ 302.628418][ T7197] ? lockdep_hardirqs_on+0x9c/0x150 [ 302.628455][ T7197] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.628480][ T7197] ? srso_alias_return_thunk+0x5/0xfbef5 [ 302.628508][ T7197] ? exc_page_fault+0x9f/0xf0 [ 302.628547][ T7197] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 302.628572][ T7197] RIP: 0033:0x7fab0039038a [ 302.628594][ T7197] 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 [ 302.628616][ T7197] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 302.628641][ T7197] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 302.628660][ T7197] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 302.628678][ T7197] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 302.628695][ T7197] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 302.628712][ T7197] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 302.628750][ T7197] [ 302.628777][ T7197] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 303.012841][ T7197] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 303.471404][ T7201] loop1: detected capacity change from 0 to 32768 [ 303.493032][ T7201] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 303.500543][ T7201] CPU: 0 UID: 0 PID: 7201 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full) [ 303.500573][ T7201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 303.500589][ T7201] Call Trace: [ 303.500600][ T7201] [ 303.500611][ T7201] dump_stack_lvl+0x189/0x250 [ 303.500651][ T7201] ? __pfx_dump_stack_lvl+0x10/0x10 [ 303.500683][ T7201] ? __pfx__printk+0x10/0x10 [ 303.500726][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.500755][ T7201] ? kernfs_path_from_node+0x250/0x290 [ 303.500791][ T7201] ? kernfs_path_from_node+0x2f/0x290 [ 303.500824][ T7201] sysfs_create_dir_ns+0x259/0x280 [ 303.500856][ T7201] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 303.500886][ T7201] ? do_raw_spin_unlock+0x122/0x240 [ 303.500924][ T7201] kobject_add_internal+0x59f/0xb40 [ 303.500961][ T7201] kobject_init_and_add+0x125/0x190 [ 303.500994][ T7201] ? __pfx_kobject_init_and_add+0x10/0x10 [ 303.501020][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.501049][ T7201] ? __raw_spin_lock_init+0x45/0x100 [ 303.501081][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.501110][ T7201] ? __init_swait_queue_head+0xa9/0x150 [ 303.501146][ T7201] gfs2_sys_fs_add+0x234/0x450 [ 303.501177][ T7201] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 303.501212][ T7201] ? is_dynamic_key+0xd6/0x1c0 [ 303.501249][ T7201] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 303.501300][ T7201] gfs2_fill_super+0x13c0/0x20d0 [ 303.501355][ T7201] ? __pfx_gfs2_fill_super+0x10/0x10 [ 303.501387][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.501422][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.501451][ T7201] ? sb_set_blocksize+0x104/0x180 [ 303.501489][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.501517][ T7201] ? setup_bdev_super+0x4c1/0x5b0 [ 303.501556][ T7201] get_tree_bdev_flags+0x40e/0x4d0 [ 303.501591][ T7201] ? __pfx_gfs2_fill_super+0x10/0x10 [ 303.501626][ T7201] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 303.501664][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.501702][ T7201] gfs2_get_tree+0x51/0x1e0 [ 303.501740][ T7201] vfs_get_tree+0x92/0x2b0 [ 303.501791][ T7201] do_new_mount+0x2a2/0x9e0 [ 303.501833][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.501862][ T7201] ? ns_capable+0x8a/0xf0 [ 303.501887][ T7201] ? __pfx_do_new_mount+0x10/0x10 [ 303.501923][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.501951][ T7201] ? path_mount+0x61c/0xfe0 [ 303.501986][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.502029][ T7201] __se_sys_mount+0x317/0x410 [ 303.502074][ T7201] ? __pfx___se_sys_mount+0x10/0x10 [ 303.502110][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.502146][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.502175][ T7201] ? __x64_sys_mount+0x20/0xc0 [ 303.502216][ T7201] do_syscall_64+0xfa/0x3b0 [ 303.502239][ T7201] ? lockdep_hardirqs_on+0x9c/0x150 [ 303.502276][ T7201] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.502300][ T7201] ? srso_alias_return_thunk+0x5/0xfbef5 [ 303.502329][ T7201] ? exc_page_fault+0x9f/0xf0 [ 303.502369][ T7201] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 303.502394][ T7201] RIP: 0033:0x7fab0039038a [ 303.502416][ T7201] 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 [ 303.502438][ T7201] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 303.502463][ T7201] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 303.502483][ T7201] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 303.502502][ T7201] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 303.502520][ T7201] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 303.502537][ T7201] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 303.502575][ T7201] [ 303.885240][ T7201] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 303.900106][ T7201] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 303.952934][ T7201] loop1: detected capacity change from 32768 to 64 [ 304.360011][ T7205] loop1: detected capacity change from 0 to 32768 [ 304.375755][ T7205] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 304.385473][ T7205] CPU: 0 UID: 0 PID: 7205 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full) [ 304.385504][ T7205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 304.385520][ T7205] Call Trace: [ 304.385539][ T7205] [ 304.385550][ T7205] dump_stack_lvl+0x189/0x250 [ 304.385589][ T7205] ? __pfx_dump_stack_lvl+0x10/0x10 [ 304.385620][ T7205] ? __pfx__printk+0x10/0x10 [ 304.385661][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.385690][ T7205] ? kernfs_path_from_node+0x250/0x290 [ 304.385718][ T7205] ? kernfs_path_from_node+0x2f/0x290 [ 304.385751][ T7205] sysfs_create_dir_ns+0x259/0x280 [ 304.385782][ T7205] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 304.385812][ T7205] ? do_raw_spin_unlock+0x122/0x240 [ 304.385850][ T7205] kobject_add_internal+0x59f/0xb40 [ 304.385888][ T7205] kobject_init_and_add+0x125/0x190 [ 304.385921][ T7205] ? __pfx_kobject_init_and_add+0x10/0x10 [ 304.385948][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.385977][ T7205] ? __raw_spin_lock_init+0x45/0x100 [ 304.386009][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.386037][ T7205] ? __init_swait_queue_head+0xa9/0x150 [ 304.386073][ T7205] gfs2_sys_fs_add+0x234/0x450 [ 304.386102][ T7205] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 304.386137][ T7205] ? is_dynamic_key+0xd6/0x1c0 [ 304.386172][ T7205] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 304.386223][ T7205] gfs2_fill_super+0x13c0/0x20d0 [ 304.386276][ T7205] ? __pfx_gfs2_fill_super+0x10/0x10 [ 304.386308][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.386343][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.386370][ T7205] ? sb_set_blocksize+0x104/0x180 [ 304.386408][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.386436][ T7205] ? setup_bdev_super+0x4c1/0x5b0 [ 304.386476][ T7205] get_tree_bdev_flags+0x40e/0x4d0 [ 304.386511][ T7205] ? __pfx_gfs2_fill_super+0x10/0x10 [ 304.386556][ T7205] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 304.386594][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.386631][ T7205] gfs2_get_tree+0x51/0x1e0 [ 304.386668][ T7205] vfs_get_tree+0x92/0x2b0 [ 304.386706][ T7205] do_new_mount+0x2a2/0x9e0 [ 304.386747][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.386775][ T7205] ? ns_capable+0x8a/0xf0 [ 304.386798][ T7205] ? __pfx_do_new_mount+0x10/0x10 [ 304.386834][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.386861][ T7205] ? path_mount+0x61c/0xfe0 [ 304.386895][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.386938][ T7205] __se_sys_mount+0x317/0x410 [ 304.386983][ T7205] ? __pfx___se_sys_mount+0x10/0x10 [ 304.387020][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.387058][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.387086][ T7205] ? __x64_sys_mount+0x20/0xc0 [ 304.387127][ T7205] do_syscall_64+0xfa/0x3b0 [ 304.387150][ T7205] ? lockdep_hardirqs_on+0x9c/0x150 [ 304.387187][ T7205] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.387211][ T7205] ? srso_alias_return_thunk+0x5/0xfbef5 [ 304.387239][ T7205] ? exc_page_fault+0x9f/0xf0 [ 304.387277][ T7205] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 304.387302][ T7205] RIP: 0033:0x7fab0039038a [ 304.387324][ T7205] 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 [ 304.387345][ T7205] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 304.387371][ T7205] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 304.387390][ T7205] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 304.387408][ T7205] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 304.387425][ T7205] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 304.387441][ T7205] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 304.387478][ T7205] [ 304.387506][ T7205] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 304.770905][ T7205] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 305.229497][ T7209] loop1: detected capacity change from 0 to 32768 [ 305.247855][ T7209] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 305.257637][ T7209] CPU: 0 UID: 0 PID: 7209 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full) [ 305.257667][ T7209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 305.257683][ T7209] Call Trace: [ 305.257693][ T7209] [ 305.257704][ T7209] dump_stack_lvl+0x189/0x250 [ 305.257744][ T7209] ? __pfx_dump_stack_lvl+0x10/0x10 [ 305.257776][ T7209] ? __pfx__printk+0x10/0x10 [ 305.257818][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.257848][ T7209] ? kernfs_path_from_node+0x250/0x290 [ 305.257876][ T7209] ? kernfs_path_from_node+0x2f/0x290 [ 305.257910][ T7209] sysfs_create_dir_ns+0x259/0x280 [ 305.257941][ T7209] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 305.257971][ T7209] ? do_raw_spin_unlock+0x122/0x240 [ 305.258009][ T7209] kobject_add_internal+0x59f/0xb40 [ 305.258046][ T7209] kobject_init_and_add+0x125/0x190 [ 305.258078][ T7209] ? __pfx_kobject_init_and_add+0x10/0x10 [ 305.258105][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.258133][ T7209] ? __raw_spin_lock_init+0x45/0x100 [ 305.258165][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.258193][ T7209] ? __init_swait_queue_head+0xa9/0x150 [ 305.258228][ T7209] gfs2_sys_fs_add+0x234/0x450 [ 305.258258][ T7209] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 305.258292][ T7209] ? is_dynamic_key+0xd6/0x1c0 [ 305.258327][ T7209] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 305.258378][ T7209] gfs2_fill_super+0x13c0/0x20d0 [ 305.258432][ T7209] ? __pfx_gfs2_fill_super+0x10/0x10 [ 305.258465][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.258500][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.258540][ T7209] ? sb_set_blocksize+0x104/0x180 [ 305.258579][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.258607][ T7209] ? setup_bdev_super+0x4c1/0x5b0 [ 305.258647][ T7209] get_tree_bdev_flags+0x40e/0x4d0 [ 305.258682][ T7209] ? __pfx_gfs2_fill_super+0x10/0x10 [ 305.258716][ T7209] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 305.258754][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.258792][ T7209] gfs2_get_tree+0x51/0x1e0 [ 305.258829][ T7209] vfs_get_tree+0x92/0x2b0 [ 305.258866][ T7209] do_new_mount+0x2a2/0x9e0 [ 305.258907][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.258935][ T7209] ? ns_capable+0x8a/0xf0 [ 305.258958][ T7209] ? __pfx_do_new_mount+0x10/0x10 [ 305.258994][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.259023][ T7209] ? path_mount+0x61c/0xfe0 [ 305.259061][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.259104][ T7209] __se_sys_mount+0x317/0x410 [ 305.259150][ T7209] ? __pfx___se_sys_mount+0x10/0x10 [ 305.259186][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.259223][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.259252][ T7209] ? __x64_sys_mount+0x20/0xc0 [ 305.259292][ T7209] do_syscall_64+0xfa/0x3b0 [ 305.259315][ T7209] ? lockdep_hardirqs_on+0x9c/0x150 [ 305.259352][ T7209] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 305.259376][ T7209] ? srso_alias_return_thunk+0x5/0xfbef5 [ 305.259404][ T7209] ? exc_page_fault+0x9f/0xf0 [ 305.259442][ T7209] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 305.259467][ T7209] RIP: 0033:0x7fab0039038a [ 305.259489][ T7209] 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 [ 305.259509][ T7209] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 305.259543][ T7209] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 305.259562][ T7209] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 305.259580][ T7209] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 305.259598][ T7209] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 305.259614][ T7209] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 305.259652][ T7209] [ 305.259680][ T7209] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 305.645086][ T7209] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 306.098653][ T7213] loop1: detected capacity change from 0 to 32768 [ 306.134435][ T7213] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 306.143470][ T7213] CPU: 1 UID: 0 PID: 7213 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full) [ 306.143501][ T7213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 306.143518][ T7213] Call Trace: [ 306.143528][ T7213] [ 306.143540][ T7213] dump_stack_lvl+0x189/0x250 [ 306.143579][ T7213] ? __pfx_dump_stack_lvl+0x10/0x10 [ 306.143611][ T7213] ? __pfx__printk+0x10/0x10 [ 306.143654][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.143684][ T7213] ? kernfs_path_from_node+0x250/0x290 [ 306.143712][ T7213] ? kernfs_path_from_node+0x2f/0x290 [ 306.143746][ T7213] sysfs_create_dir_ns+0x259/0x280 [ 306.143777][ T7213] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 306.143816][ T7213] ? do_raw_spin_unlock+0x122/0x240 [ 306.143854][ T7213] kobject_add_internal+0x59f/0xb40 [ 306.143891][ T7213] kobject_init_and_add+0x125/0x190 [ 306.143924][ T7213] ? __pfx_kobject_init_and_add+0x10/0x10 [ 306.143951][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.143979][ T7213] ? __raw_spin_lock_init+0x45/0x100 [ 306.144012][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.144040][ T7213] ? __init_swait_queue_head+0xa9/0x150 [ 306.144075][ T7213] gfs2_sys_fs_add+0x234/0x450 [ 306.144105][ T7213] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 306.144139][ T7213] ? is_dynamic_key+0xd6/0x1c0 [ 306.144175][ T7213] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 306.144227][ T7213] gfs2_fill_super+0x13c0/0x20d0 [ 306.144282][ T7213] ? __pfx_gfs2_fill_super+0x10/0x10 [ 306.144315][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.144350][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.144379][ T7213] ? sb_set_blocksize+0x104/0x180 [ 306.144417][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.144446][ T7213] ? setup_bdev_super+0x4c1/0x5b0 [ 306.144486][ T7213] get_tree_bdev_flags+0x40e/0x4d0 [ 306.144522][ T7213] ? __pfx_gfs2_fill_super+0x10/0x10 [ 306.144556][ T7213] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 306.144590][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.144628][ T7213] gfs2_get_tree+0x51/0x1e0 [ 306.144666][ T7213] vfs_get_tree+0x92/0x2b0 [ 306.144704][ T7213] do_new_mount+0x2a2/0x9e0 [ 306.144745][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.144774][ T7213] ? ns_capable+0x8a/0xf0 [ 306.144798][ T7213] ? __pfx_do_new_mount+0x10/0x10 [ 306.144841][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.144869][ T7213] ? path_mount+0x61c/0xfe0 [ 306.144903][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.144947][ T7213] __se_sys_mount+0x317/0x410 [ 306.144993][ T7213] ? __pfx___se_sys_mount+0x10/0x10 [ 306.145029][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.145067][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.145095][ T7213] ? __x64_sys_mount+0x20/0xc0 [ 306.145136][ T7213] do_syscall_64+0xfa/0x3b0 [ 306.145159][ T7213] ? lockdep_hardirqs_on+0x9c/0x150 [ 306.145196][ T7213] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.145220][ T7213] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.145249][ T7213] ? exc_page_fault+0x9f/0xf0 [ 306.145287][ T7213] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.145313][ T7213] RIP: 0033:0x7fab0039038a [ 306.145334][ T7213] 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 [ 306.145355][ T7213] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 306.145381][ T7213] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 306.145400][ T7213] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 306.145419][ T7213] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 306.145436][ T7213] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 306.145453][ T7213] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 306.145491][ T7213] [ 306.145520][ T7213] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 306.533989][ T7213] gfs2: fsid=syz:syz: error -17 adding sysfs files 2025/08/30 11:23:08 executed programs: 160 [ 306.973661][ T7217] loop1: detected capacity change from 0 to 32768 [ 306.989336][ T7217] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 306.996789][ T7217] CPU: 1 UID: 0 PID: 7217 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full) [ 306.996818][ T7217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 306.996833][ T7217] Call Trace: [ 306.996843][ T7217] [ 306.996854][ T7217] dump_stack_lvl+0x189/0x250 [ 306.996893][ T7217] ? __pfx_dump_stack_lvl+0x10/0x10 [ 306.996924][ T7217] ? __pfx__printk+0x10/0x10 [ 306.996965][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.996994][ T7217] ? kernfs_path_from_node+0x250/0x290 [ 306.997021][ T7217] ? kernfs_path_from_node+0x2f/0x290 [ 306.997053][ T7217] sysfs_create_dir_ns+0x259/0x280 [ 306.997084][ T7217] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 306.997113][ T7217] ? do_raw_spin_unlock+0x122/0x240 [ 306.997150][ T7217] kobject_add_internal+0x59f/0xb40 [ 306.997187][ T7217] kobject_init_and_add+0x125/0x190 [ 306.997220][ T7217] ? __pfx_kobject_init_and_add+0x10/0x10 [ 306.997246][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.997274][ T7217] ? __raw_spin_lock_init+0x45/0x100 [ 306.997306][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.997334][ T7217] ? __init_swait_queue_head+0xa9/0x150 [ 306.997369][ T7217] gfs2_sys_fs_add+0x234/0x450 [ 306.997398][ T7217] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 306.997432][ T7217] ? is_dynamic_key+0xd6/0x1c0 [ 306.997467][ T7217] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 306.997517][ T7217] gfs2_fill_super+0x13c0/0x20d0 [ 306.997578][ T7217] ? __pfx_gfs2_fill_super+0x10/0x10 [ 306.997610][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.997644][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.997671][ T7217] ? sb_set_blocksize+0x104/0x180 [ 306.997709][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.997737][ T7217] ? setup_bdev_super+0x4c1/0x5b0 [ 306.997775][ T7217] get_tree_bdev_flags+0x40e/0x4d0 [ 306.997809][ T7217] ? __pfx_gfs2_fill_super+0x10/0x10 [ 306.997843][ T7217] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 306.997881][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.997918][ T7217] gfs2_get_tree+0x51/0x1e0 [ 306.997955][ T7217] vfs_get_tree+0x92/0x2b0 [ 306.997993][ T7217] do_new_mount+0x2a2/0x9e0 [ 306.998034][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.998062][ T7217] ? ns_capable+0x8a/0xf0 [ 306.998086][ T7217] ? __pfx_do_new_mount+0x10/0x10 [ 306.998121][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.998149][ T7217] ? path_mount+0x61c/0xfe0 [ 306.998183][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.998225][ T7217] __se_sys_mount+0x317/0x410 [ 306.998269][ T7217] ? __pfx___se_sys_mount+0x10/0x10 [ 306.998305][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.998341][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.998369][ T7217] ? __x64_sys_mount+0x20/0xc0 [ 306.998409][ T7217] do_syscall_64+0xfa/0x3b0 [ 306.998432][ T7217] ? lockdep_hardirqs_on+0x9c/0x150 [ 306.998469][ T7217] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.998493][ T7217] ? srso_alias_return_thunk+0x5/0xfbef5 [ 306.998521][ T7217] ? exc_page_fault+0x9f/0xf0 [ 306.998569][ T7217] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 306.998594][ T7217] RIP: 0033:0x7fab0039038a [ 306.998615][ T7217] 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 [ 306.998635][ T7217] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 306.998661][ T7217] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 306.998680][ T7217] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 306.998699][ T7217] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 306.998716][ T7217] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 306.998733][ T7217] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 306.998770][ T7217] [ 306.998797][ T7217] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 307.384161][ T7217] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 307.820169][ T7221] loop1: detected capacity change from 0 to 32768 [ 307.833738][ T7221] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 307.841117][ T7221] CPU: 0 UID: 0 PID: 7221 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full) [ 307.841145][ T7221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 307.841161][ T7221] Call Trace: [ 307.841171][ T7221] [ 307.841181][ T7221] dump_stack_lvl+0x189/0x250 [ 307.841220][ T7221] ? __pfx_dump_stack_lvl+0x10/0x10 [ 307.841252][ T7221] ? __pfx__printk+0x10/0x10 [ 307.841293][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.841323][ T7221] ? kernfs_path_from_node+0x250/0x290 [ 307.841351][ T7221] ? kernfs_path_from_node+0x2f/0x290 [ 307.841384][ T7221] sysfs_create_dir_ns+0x259/0x280 [ 307.841418][ T7221] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 307.841448][ T7221] ? do_raw_spin_unlock+0x122/0x240 [ 307.841484][ T7221] kobject_add_internal+0x59f/0xb40 [ 307.841520][ T7221] kobject_init_and_add+0x125/0x190 [ 307.841551][ T7221] ? __pfx_kobject_init_and_add+0x10/0x10 [ 307.841577][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.841605][ T7221] ? __raw_spin_lock_init+0x45/0x100 [ 307.841637][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.841664][ T7221] ? __init_swait_queue_head+0xa9/0x150 [ 307.841697][ T7221] gfs2_sys_fs_add+0x234/0x450 [ 307.841725][ T7221] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 307.841760][ T7221] ? is_dynamic_key+0xd6/0x1c0 [ 307.841804][ T7221] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 307.841856][ T7221] gfs2_fill_super+0x13c0/0x20d0 [ 307.841909][ T7221] ? __pfx_gfs2_fill_super+0x10/0x10 [ 307.841941][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.841976][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.842004][ T7221] ? sb_set_blocksize+0x104/0x180 [ 307.842043][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.842072][ T7221] ? setup_bdev_super+0x4c1/0x5b0 [ 307.842111][ T7221] get_tree_bdev_flags+0x40e/0x4d0 [ 307.842145][ T7221] ? __pfx_gfs2_fill_super+0x10/0x10 [ 307.842179][ T7221] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 307.842218][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.842250][ T7221] gfs2_get_tree+0x51/0x1e0 [ 307.842283][ T7221] vfs_get_tree+0x92/0x2b0 [ 307.842316][ T7221] do_new_mount+0x2a2/0x9e0 [ 307.842351][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.842376][ T7221] ? ns_capable+0x8a/0xf0 [ 307.842397][ T7221] ? __pfx_do_new_mount+0x10/0x10 [ 307.842428][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.842452][ T7221] ? path_mount+0x61c/0xfe0 [ 307.842481][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.842518][ T7221] __se_sys_mount+0x317/0x410 [ 307.842558][ T7221] ? __pfx___se_sys_mount+0x10/0x10 [ 307.842590][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.842621][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.842645][ T7221] ? __x64_sys_mount+0x20/0xc0 [ 307.842680][ T7221] do_syscall_64+0xfa/0x3b0 [ 307.842700][ T7221] ? lockdep_hardirqs_on+0x9c/0x150 [ 307.842732][ T7221] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 307.842753][ T7221] ? srso_alias_return_thunk+0x5/0xfbef5 [ 307.842777][ T7221] ? exc_page_fault+0x9f/0xf0 [ 307.842816][ T7221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 307.842838][ T7221] RIP: 0033:0x7fab0039038a [ 307.842857][ T7221] 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 [ 307.842875][ T7221] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 307.842897][ T7221] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 307.842913][ T7221] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 307.842929][ T7221] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 307.842944][ T7221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 307.842958][ T7221] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 307.842990][ T7221] [ 308.215159][ T7221] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 308.229711][ T7221] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 308.691062][ T7225] loop1: detected capacity change from 0 to 32768 [ 308.721916][ T7225] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 308.729390][ T7225] CPU: 1 UID: 0 PID: 7225 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full) [ 308.729419][ T7225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 308.729434][ T7225] Call Trace: [ 308.729444][ T7225] [ 308.729455][ T7225] dump_stack_lvl+0x189/0x250 [ 308.729495][ T7225] ? __pfx_dump_stack_lvl+0x10/0x10 [ 308.729526][ T7225] ? __pfx__printk+0x10/0x10 [ 308.729576][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.729605][ T7225] ? kernfs_path_from_node+0x250/0x290 [ 308.729633][ T7225] ? kernfs_path_from_node+0x2f/0x290 [ 308.729667][ T7225] sysfs_create_dir_ns+0x259/0x280 [ 308.729697][ T7225] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 308.729727][ T7225] ? do_raw_spin_unlock+0x122/0x240 [ 308.729764][ T7225] kobject_add_internal+0x59f/0xb40 [ 308.729801][ T7225] kobject_init_and_add+0x125/0x190 [ 308.729834][ T7225] ? __pfx_kobject_init_and_add+0x10/0x10 [ 308.729861][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.729889][ T7225] ? __raw_spin_lock_init+0x45/0x100 [ 308.729921][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.729949][ T7225] ? __init_swait_queue_head+0xa9/0x150 [ 308.729985][ T7225] gfs2_sys_fs_add+0x234/0x450 [ 308.730015][ T7225] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 308.730050][ T7225] ? is_dynamic_key+0xd6/0x1c0 [ 308.730085][ T7225] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 308.730135][ T7225] gfs2_fill_super+0x13c0/0x20d0 [ 308.730188][ T7225] ? __pfx_gfs2_fill_super+0x10/0x10 [ 308.730221][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.730255][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.730284][ T7225] ? sb_set_blocksize+0x104/0x180 [ 308.730322][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.730350][ T7225] ? setup_bdev_super+0x4c1/0x5b0 [ 308.730390][ T7225] get_tree_bdev_flags+0x40e/0x4d0 [ 308.730425][ T7225] ? __pfx_gfs2_fill_super+0x10/0x10 [ 308.730459][ T7225] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 308.730498][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.730541][ T7225] gfs2_get_tree+0x51/0x1e0 [ 308.730578][ T7225] vfs_get_tree+0x92/0x2b0 [ 308.730616][ T7225] do_new_mount+0x2a2/0x9e0 [ 308.730657][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.730686][ T7225] ? ns_capable+0x8a/0xf0 [ 308.730709][ T7225] ? __pfx_do_new_mount+0x10/0x10 [ 308.730745][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.730773][ T7225] ? path_mount+0x61c/0xfe0 [ 308.730806][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.730848][ T7225] __se_sys_mount+0x317/0x410 [ 308.730893][ T7225] ? __pfx___se_sys_mount+0x10/0x10 [ 308.730929][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.730966][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.730994][ T7225] ? __x64_sys_mount+0x20/0xc0 [ 308.731034][ T7225] do_syscall_64+0xfa/0x3b0 [ 308.731060][ T7225] ? lockdep_hardirqs_on+0x9c/0x150 [ 308.731097][ T7225] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 308.731121][ T7225] ? srso_alias_return_thunk+0x5/0xfbef5 [ 308.731149][ T7225] ? exc_page_fault+0x9f/0xf0 [ 308.731187][ T7225] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 308.731212][ T7225] RIP: 0033:0x7fab0039038a [ 308.731233][ T7225] 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 [ 308.731254][ T7225] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 308.731280][ T7225] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 308.731299][ T7225] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 308.731318][ T7225] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 308.731335][ T7225] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 308.731352][ T7225] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 308.731390][ T7225] [ 308.731417][ T7225] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 309.118003][ T7225] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 309.574488][ T7229] loop1: detected capacity change from 0 to 32768 [ 309.594675][ T7229] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 309.604377][ T7229] CPU: 0 UID: 0 PID: 7229 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full) [ 309.604408][ T7229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 309.604424][ T7229] Call Trace: [ 309.604434][ T7229] [ 309.604445][ T7229] dump_stack_lvl+0x189/0x250 [ 309.604484][ T7229] ? __pfx_dump_stack_lvl+0x10/0x10 [ 309.604516][ T7229] ? __pfx__printk+0x10/0x10 [ 309.604557][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.604587][ T7229] ? kernfs_path_from_node+0x250/0x290 [ 309.604614][ T7229] ? kernfs_path_from_node+0x2f/0x290 [ 309.604647][ T7229] sysfs_create_dir_ns+0x259/0x280 [ 309.604678][ T7229] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 309.604709][ T7229] ? do_raw_spin_unlock+0x122/0x240 [ 309.604747][ T7229] kobject_add_internal+0x59f/0xb40 [ 309.604792][ T7229] kobject_init_and_add+0x125/0x190 [ 309.604825][ T7229] ? __pfx_kobject_init_and_add+0x10/0x10 [ 309.604852][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.604881][ T7229] ? __raw_spin_lock_init+0x45/0x100 [ 309.604913][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.604941][ T7229] ? __init_swait_queue_head+0xa9/0x150 [ 309.604976][ T7229] gfs2_sys_fs_add+0x234/0x450 [ 309.605006][ T7229] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 309.605041][ T7229] ? is_dynamic_key+0xd6/0x1c0 [ 309.605077][ T7229] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 309.605129][ T7229] gfs2_fill_super+0x13c0/0x20d0 [ 309.605187][ T7229] ? __pfx_gfs2_fill_super+0x10/0x10 [ 309.605220][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.605256][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.605284][ T7229] ? sb_set_blocksize+0x104/0x180 [ 309.605323][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.605352][ T7229] ? setup_bdev_super+0x4c1/0x5b0 [ 309.605392][ T7229] get_tree_bdev_flags+0x40e/0x4d0 [ 309.605427][ T7229] ? __pfx_gfs2_fill_super+0x10/0x10 [ 309.605462][ T7229] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 309.605501][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.605539][ T7229] gfs2_get_tree+0x51/0x1e0 [ 309.605577][ T7229] vfs_get_tree+0x92/0x2b0 [ 309.605615][ T7229] do_new_mount+0x2a2/0x9e0 [ 309.605655][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.605684][ T7229] ? ns_capable+0x8a/0xf0 [ 309.605708][ T7229] ? __pfx_do_new_mount+0x10/0x10 [ 309.605744][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.605773][ T7229] ? path_mount+0x61c/0xfe0 [ 309.605814][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.605858][ T7229] __se_sys_mount+0x317/0x410 [ 309.605904][ T7229] ? __pfx___se_sys_mount+0x10/0x10 [ 309.605941][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.605978][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.606007][ T7229] ? __x64_sys_mount+0x20/0xc0 [ 309.606052][ T7229] do_syscall_64+0xfa/0x3b0 [ 309.606075][ T7229] ? lockdep_hardirqs_on+0x9c/0x150 [ 309.606112][ T7229] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 309.606136][ T7229] ? srso_alias_return_thunk+0x5/0xfbef5 [ 309.606165][ T7229] ? exc_page_fault+0x9f/0xf0 [ 309.606203][ T7229] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 309.606227][ T7229] RIP: 0033:0x7fab0039038a [ 309.606249][ T7229] 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 [ 309.606269][ T7229] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 309.606295][ T7229] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 309.606314][ T7229] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 309.606343][ T7229] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 309.606363][ T7229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 309.606381][ T7229] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 309.606419][ T7229] [ 309.606477][ T7229] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 309.991371][ T7229] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 310.445702][ T7233] loop1: detected capacity change from 0 to 32768 [ 310.464581][ T7233] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 310.479345][ T7233] CPU: 1 UID: 0 PID: 7233 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full) [ 310.479374][ T7233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 310.479389][ T7233] Call Trace: [ 310.479398][ T7233] [ 310.479409][ T7233] dump_stack_lvl+0x189/0x250 [ 310.479448][ T7233] ? __pfx_dump_stack_lvl+0x10/0x10 [ 310.479479][ T7233] ? __pfx__printk+0x10/0x10 [ 310.479519][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.479557][ T7233] ? kernfs_path_from_node+0x250/0x290 [ 310.479583][ T7233] ? kernfs_path_from_node+0x2f/0x290 [ 310.479615][ T7233] sysfs_create_dir_ns+0x259/0x280 [ 310.479645][ T7233] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 310.479674][ T7233] ? do_raw_spin_unlock+0x122/0x240 [ 310.479711][ T7233] kobject_add_internal+0x59f/0xb40 [ 310.479749][ T7233] kobject_init_and_add+0x125/0x190 [ 310.479780][ T7233] ? __pfx_kobject_init_and_add+0x10/0x10 [ 310.479806][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.479834][ T7233] ? __raw_spin_lock_init+0x45/0x100 [ 310.479866][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.479894][ T7233] ? __init_swait_queue_head+0xa9/0x150 [ 310.479926][ T7233] gfs2_sys_fs_add+0x234/0x450 [ 310.479955][ T7233] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 310.479990][ T7233] ? is_dynamic_key+0xd6/0x1c0 [ 310.480024][ T7233] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 310.480074][ T7233] gfs2_fill_super+0x13c0/0x20d0 [ 310.480131][ T7233] ? __pfx_gfs2_fill_super+0x10/0x10 [ 310.480163][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.480197][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.480225][ T7233] ? sb_set_blocksize+0x104/0x180 [ 310.480264][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.480291][ T7233] ? setup_bdev_super+0x4c1/0x5b0 [ 310.480331][ T7233] get_tree_bdev_flags+0x40e/0x4d0 [ 310.480365][ T7233] ? __pfx_gfs2_fill_super+0x10/0x10 [ 310.480399][ T7233] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 310.480437][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.480475][ T7233] gfs2_get_tree+0x51/0x1e0 [ 310.480511][ T7233] vfs_get_tree+0x92/0x2b0 [ 310.480557][ T7233] do_new_mount+0x2a2/0x9e0 [ 310.480597][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.480625][ T7233] ? ns_capable+0x8a/0xf0 [ 310.480648][ T7233] ? __pfx_do_new_mount+0x10/0x10 [ 310.480683][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.480711][ T7233] ? path_mount+0x61c/0xfe0 [ 310.480745][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.480787][ T7233] __se_sys_mount+0x317/0x410 [ 310.480832][ T7233] ? __pfx___se_sys_mount+0x10/0x10 [ 310.480868][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.480905][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.480933][ T7233] ? __x64_sys_mount+0x20/0xc0 [ 310.480974][ T7233] do_syscall_64+0xfa/0x3b0 [ 310.480997][ T7233] ? lockdep_hardirqs_on+0x9c/0x150 [ 310.481034][ T7233] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 310.481063][ T7233] ? srso_alias_return_thunk+0x5/0xfbef5 [ 310.481092][ T7233] ? exc_page_fault+0x9f/0xf0 [ 310.481129][ T7233] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 310.481154][ T7233] RIP: 0033:0x7fab0039038a [ 310.481176][ T7233] 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 [ 310.481197][ T7233] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 310.481223][ T7233] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 310.481241][ T7233] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 310.481259][ T7233] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 310.481277][ T7233] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 310.481293][ T7233] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 310.481330][ T7233] [ 310.481382][ T7233] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 310.869472][ T7233] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 311.328949][ T7238] loop1: detected capacity change from 0 to 32768 [ 311.345914][ T7238] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 311.359231][ T7238] CPU: 0 UID: 0 PID: 7238 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full) [ 311.359260][ T7238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 311.359276][ T7238] Call Trace: [ 311.359285][ T7238] [ 311.359296][ T7238] dump_stack_lvl+0x189/0x250 [ 311.359335][ T7238] ? __pfx_dump_stack_lvl+0x10/0x10 [ 311.359367][ T7238] ? __pfx__printk+0x10/0x10 [ 311.359407][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.359437][ T7238] ? kernfs_path_from_node+0x250/0x290 [ 311.359464][ T7238] ? kernfs_path_from_node+0x2f/0x290 [ 311.359497][ T7238] sysfs_create_dir_ns+0x259/0x280 [ 311.359527][ T7238] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 311.359556][ T7238] ? do_raw_spin_unlock+0x122/0x240 [ 311.359594][ T7238] kobject_add_internal+0x59f/0xb40 [ 311.359631][ T7238] kobject_init_and_add+0x125/0x190 [ 311.359663][ T7238] ? __pfx_kobject_init_and_add+0x10/0x10 [ 311.359689][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.359717][ T7238] ? __raw_spin_lock_init+0x45/0x100 [ 311.359749][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.359777][ T7238] ? __init_swait_queue_head+0xa9/0x150 [ 311.359818][ T7238] gfs2_sys_fs_add+0x234/0x450 [ 311.359848][ T7238] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 311.359885][ T7238] ? is_dynamic_key+0xd6/0x1c0 [ 311.359920][ T7238] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 311.359970][ T7238] gfs2_fill_super+0x13c0/0x20d0 [ 311.360022][ T7238] ? __pfx_gfs2_fill_super+0x10/0x10 [ 311.360054][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.360089][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.360117][ T7238] ? sb_set_blocksize+0x104/0x180 [ 311.360154][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.360182][ T7238] ? setup_bdev_super+0x4c1/0x5b0 [ 311.360221][ T7238] get_tree_bdev_flags+0x40e/0x4d0 [ 311.360256][ T7238] ? __pfx_gfs2_fill_super+0x10/0x10 [ 311.360290][ T7238] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 311.360327][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.360365][ T7238] gfs2_get_tree+0x51/0x1e0 [ 311.360401][ T7238] vfs_get_tree+0x92/0x2b0 [ 311.360439][ T7238] do_new_mount+0x2a2/0x9e0 [ 311.360479][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.360508][ T7238] ? ns_capable+0x8a/0xf0 [ 311.360532][ T7238] ? __pfx_do_new_mount+0x10/0x10 [ 311.360567][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.360594][ T7238] ? path_mount+0x61c/0xfe0 [ 311.360628][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.360670][ T7238] __se_sys_mount+0x317/0x410 [ 311.360714][ T7238] ? __pfx___se_sys_mount+0x10/0x10 [ 311.360750][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.360805][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.360836][ T7238] ? __x64_sys_mount+0x20/0xc0 [ 311.360877][ T7238] do_syscall_64+0xfa/0x3b0 [ 311.360898][ T7238] ? lockdep_hardirqs_on+0x9c/0x150 [ 311.360935][ T7238] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 311.360958][ T7238] ? srso_alias_return_thunk+0x5/0xfbef5 [ 311.360986][ T7238] ? exc_page_fault+0x9f/0xf0 [ 311.361024][ T7238] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 311.361048][ T7238] RIP: 0033:0x7fab0039038a [ 311.361069][ T7238] 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 [ 311.361090][ T7238] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 311.361115][ T7238] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 311.361134][ T7238] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 311.361152][ T7238] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 311.361169][ T7238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 311.361185][ T7238] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 311.361223][ T7238] [ 311.361320][ T7238] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 311.746504][ T7238] gfs2: fsid=syz:syz: error -17 adding sysfs files 2025/08/30 11:23:14 executed programs: 166 [ 312.202288][ T7242] loop1: detected capacity change from 0 to 32768 [ 312.226915][ T7242] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 312.235101][ T7242] CPU: 1 UID: 0 PID: 7242 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full) [ 312.235131][ T7242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 312.235147][ T7242] Call Trace: [ 312.235156][ T7242] [ 312.235168][ T7242] dump_stack_lvl+0x189/0x250 [ 312.235206][ T7242] ? __pfx_dump_stack_lvl+0x10/0x10 [ 312.235238][ T7242] ? __pfx__printk+0x10/0x10 [ 312.235279][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.235309][ T7242] ? kernfs_path_from_node+0x250/0x290 [ 312.235336][ T7242] ? kernfs_path_from_node+0x2f/0x290 [ 312.235369][ T7242] sysfs_create_dir_ns+0x259/0x280 [ 312.235400][ T7242] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 312.235430][ T7242] ? do_raw_spin_unlock+0x122/0x240 [ 312.235488][ T7242] kobject_add_internal+0x59f/0xb40 [ 312.235526][ T7242] kobject_init_and_add+0x125/0x190 [ 312.235558][ T7242] ? __pfx_kobject_init_and_add+0x10/0x10 [ 312.235585][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.235613][ T7242] ? __raw_spin_lock_init+0x45/0x100 [ 312.235645][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.235674][ T7242] ? __init_swait_queue_head+0xa9/0x150 [ 312.235709][ T7242] gfs2_sys_fs_add+0x234/0x450 [ 312.235739][ T7242] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 312.235774][ T7242] ? is_dynamic_key+0xd6/0x1c0 [ 312.235814][ T7242] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 312.235864][ T7242] gfs2_fill_super+0x13c0/0x20d0 [ 312.235920][ T7242] ? __pfx_gfs2_fill_super+0x10/0x10 [ 312.235952][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.235987][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.236015][ T7242] ? sb_set_blocksize+0x104/0x180 [ 312.236053][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.236080][ T7242] ? setup_bdev_super+0x4c1/0x5b0 [ 312.236119][ T7242] get_tree_bdev_flags+0x40e/0x4d0 [ 312.236153][ T7242] ? __pfx_gfs2_fill_super+0x10/0x10 [ 312.236187][ T7242] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 312.236225][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.236262][ T7242] gfs2_get_tree+0x51/0x1e0 [ 312.236298][ T7242] vfs_get_tree+0x92/0x2b0 [ 312.236336][ T7242] do_new_mount+0x2a2/0x9e0 [ 312.236376][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.236404][ T7242] ? ns_capable+0x8a/0xf0 [ 312.236427][ T7242] ? __pfx_do_new_mount+0x10/0x10 [ 312.236463][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.236491][ T7242] ? path_mount+0x61c/0xfe0 [ 312.236524][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.236566][ T7242] __se_sys_mount+0x317/0x410 [ 312.236611][ T7242] ? __pfx___se_sys_mount+0x10/0x10 [ 312.236646][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.236683][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.236710][ T7242] ? __x64_sys_mount+0x20/0xc0 [ 312.236751][ T7242] do_syscall_64+0xfa/0x3b0 [ 312.236778][ T7242] ? lockdep_hardirqs_on+0x9c/0x150 [ 312.236820][ T7242] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 312.236844][ T7242] ? srso_alias_return_thunk+0x5/0xfbef5 [ 312.236874][ T7242] ? exc_page_fault+0x9f/0xf0 [ 312.236913][ T7242] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 312.236938][ T7242] RIP: 0033:0x7fab0039038a [ 312.236959][ T7242] 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 [ 312.236981][ T7242] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 312.237007][ T7242] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 312.237026][ T7242] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 312.237045][ T7242] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 312.237062][ T7242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 312.237079][ T7242] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 312.237117][ T7242] [ 312.237193][ T7242] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 312.624766][ T7242] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 313.073906][ T7248] loop1: detected capacity change from 0 to 32768 [ 313.092838][ T7248] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 313.100246][ T7248] CPU: 0 UID: 0 PID: 7248 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full) [ 313.100275][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 313.100291][ T7248] Call Trace: [ 313.100301][ T7248] [ 313.100312][ T7248] dump_stack_lvl+0x189/0x250 [ 313.100352][ T7248] ? __pfx_dump_stack_lvl+0x10/0x10 [ 313.100384][ T7248] ? __pfx__printk+0x10/0x10 [ 313.100425][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.100456][ T7248] ? kernfs_path_from_node+0x250/0x290 [ 313.100484][ T7248] ? kernfs_path_from_node+0x2f/0x290 [ 313.100517][ T7248] sysfs_create_dir_ns+0x259/0x280 [ 313.100551][ T7248] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 313.100576][ T7248] ? do_raw_spin_unlock+0x122/0x240 [ 313.100614][ T7248] kobject_add_internal+0x59f/0xb40 [ 313.100651][ T7248] kobject_init_and_add+0x125/0x190 [ 313.100684][ T7248] ? __pfx_kobject_init_and_add+0x10/0x10 [ 313.100711][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.100740][ T7248] ? __raw_spin_lock_init+0x45/0x100 [ 313.100773][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.100817][ T7248] ? __init_swait_queue_head+0xa9/0x150 [ 313.100853][ T7248] gfs2_sys_fs_add+0x234/0x450 [ 313.100883][ T7248] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 313.100918][ T7248] ? is_dynamic_key+0xd6/0x1c0 [ 313.100954][ T7248] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 313.101006][ T7248] gfs2_fill_super+0x13c0/0x20d0 [ 313.101058][ T7248] ? __pfx_gfs2_fill_super+0x10/0x10 [ 313.101091][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.101126][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.101155][ T7248] ? sb_set_blocksize+0x104/0x180 [ 313.101193][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.101221][ T7248] ? setup_bdev_super+0x4c1/0x5b0 [ 313.101260][ T7248] get_tree_bdev_flags+0x40e/0x4d0 [ 313.101295][ T7248] ? __pfx_gfs2_fill_super+0x10/0x10 [ 313.101330][ T7248] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 313.101369][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.101407][ T7248] gfs2_get_tree+0x51/0x1e0 [ 313.101446][ T7248] vfs_get_tree+0x92/0x2b0 [ 313.101484][ T7248] do_new_mount+0x2a2/0x9e0 [ 313.101525][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.101554][ T7248] ? ns_capable+0x8a/0xf0 [ 313.101580][ T7248] ? __pfx_do_new_mount+0x10/0x10 [ 313.101615][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.101644][ T7248] ? path_mount+0x61c/0xfe0 [ 313.101679][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.101721][ T7248] __se_sys_mount+0x317/0x410 [ 313.101766][ T7248] ? __pfx___se_sys_mount+0x10/0x10 [ 313.101813][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.101851][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.101879][ T7248] ? __x64_sys_mount+0x20/0xc0 [ 313.101920][ T7248] do_syscall_64+0xfa/0x3b0 [ 313.101943][ T7248] ? lockdep_hardirqs_on+0x9c/0x150 [ 313.101979][ T7248] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 313.102004][ T7248] ? srso_alias_return_thunk+0x5/0xfbef5 [ 313.102031][ T7248] ? exc_page_fault+0x9f/0xf0 [ 313.102070][ T7248] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 313.102095][ T7248] RIP: 0033:0x7fab0039038a [ 313.102117][ T7248] 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 [ 313.102139][ T7248] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 313.102165][ T7248] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 313.102185][ T7248] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 313.102204][ T7248] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 313.102222][ T7248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 313.102239][ T7248] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 313.102277][ T7248] [ 313.488505][ T7248] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 313.507792][ T7248] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 314.000703][ T7253] loop1: detected capacity change from 0 to 32768 [ 314.021650][ T7253] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 314.029242][ T7253] CPU: 1 UID: 0 PID: 7253 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full) [ 314.029271][ T7253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 314.029287][ T7253] Call Trace: [ 314.029297][ T7253] [ 314.029308][ T7253] dump_stack_lvl+0x189/0x250 [ 314.029348][ T7253] ? __pfx_dump_stack_lvl+0x10/0x10 [ 314.029379][ T7253] ? __pfx__printk+0x10/0x10 [ 314.029420][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.029449][ T7253] ? kernfs_path_from_node+0x250/0x290 [ 314.029477][ T7253] ? kernfs_path_from_node+0x2f/0x290 [ 314.029510][ T7253] sysfs_create_dir_ns+0x259/0x280 [ 314.029540][ T7253] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 314.029570][ T7253] ? do_raw_spin_unlock+0x122/0x240 [ 314.029608][ T7253] kobject_add_internal+0x59f/0xb40 [ 314.029645][ T7253] kobject_init_and_add+0x125/0x190 [ 314.029678][ T7253] ? __pfx_kobject_init_and_add+0x10/0x10 [ 314.029705][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.029733][ T7253] ? __raw_spin_lock_init+0x45/0x100 [ 314.029764][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.029800][ T7253] ? __init_swait_queue_head+0xa9/0x150 [ 314.029836][ T7253] gfs2_sys_fs_add+0x234/0x450 [ 314.029866][ T7253] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 314.029900][ T7253] ? is_dynamic_key+0xd6/0x1c0 [ 314.029935][ T7253] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 314.029986][ T7253] gfs2_fill_super+0x13c0/0x20d0 [ 314.030039][ T7253] ? __pfx_gfs2_fill_super+0x10/0x10 [ 314.030071][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.030106][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.030134][ T7253] ? sb_set_blocksize+0x104/0x180 [ 314.030173][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.030202][ T7253] ? setup_bdev_super+0x4c1/0x5b0 [ 314.030242][ T7253] get_tree_bdev_flags+0x40e/0x4d0 [ 314.030277][ T7253] ? __pfx_gfs2_fill_super+0x10/0x10 [ 314.030309][ T7253] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 314.030345][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.030380][ T7253] gfs2_get_tree+0x51/0x1e0 [ 314.030416][ T7253] vfs_get_tree+0x92/0x2b0 [ 314.030452][ T7253] do_new_mount+0x2a2/0x9e0 [ 314.030491][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.030519][ T7253] ? ns_capable+0x8a/0xf0 [ 314.030543][ T7253] ? __pfx_do_new_mount+0x10/0x10 [ 314.030577][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.030605][ T7253] ? path_mount+0x61c/0xfe0 [ 314.030638][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.030677][ T7253] __se_sys_mount+0x317/0x410 [ 314.030719][ T7253] ? __pfx___se_sys_mount+0x10/0x10 [ 314.030754][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.030795][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.030823][ T7253] ? __x64_sys_mount+0x20/0xc0 [ 314.030863][ T7253] do_syscall_64+0xfa/0x3b0 [ 314.030886][ T7253] ? lockdep_hardirqs_on+0x9c/0x150 [ 314.030923][ T7253] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 314.030948][ T7253] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.030976][ T7253] ? exc_page_fault+0x9f/0xf0 [ 314.031015][ T7253] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 314.031040][ T7253] RIP: 0033:0x7fab0039038a [ 314.031062][ T7253] 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 [ 314.031083][ T7253] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 314.031109][ T7253] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 314.031128][ T7253] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 314.031146][ T7253] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 314.031164][ T7253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 314.031180][ T7253] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 314.031218][ T7253] [ 314.031246][ T7253] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 314.415164][ T7253] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 314.864643][ T7258] loop1: detected capacity change from 0 to 32768 [ 314.894847][ T7258] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 314.902415][ T7258] CPU: 1 UID: 0 PID: 7258 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full) [ 314.902444][ T7258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 314.902460][ T7258] Call Trace: [ 314.902470][ T7258] [ 314.902480][ T7258] dump_stack_lvl+0x189/0x250 [ 314.902519][ T7258] ? __pfx_dump_stack_lvl+0x10/0x10 [ 314.902548][ T7258] ? __pfx__printk+0x10/0x10 [ 314.902585][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.902613][ T7258] ? kernfs_path_from_node+0x250/0x290 [ 314.902640][ T7258] ? kernfs_path_from_node+0x2f/0x290 [ 314.902673][ T7258] sysfs_create_dir_ns+0x259/0x280 [ 314.902703][ T7258] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 314.902732][ T7258] ? do_raw_spin_unlock+0x122/0x240 [ 314.902770][ T7258] kobject_add_internal+0x59f/0xb40 [ 314.902810][ T7258] kobject_init_and_add+0x125/0x190 [ 314.902843][ T7258] ? __pfx_kobject_init_and_add+0x10/0x10 [ 314.902869][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.902897][ T7258] ? __raw_spin_lock_init+0x45/0x100 [ 314.902929][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.902957][ T7258] ? __init_swait_queue_head+0xa9/0x150 [ 314.902992][ T7258] gfs2_sys_fs_add+0x234/0x450 [ 314.903022][ T7258] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 314.903056][ T7258] ? is_dynamic_key+0xd6/0x1c0 [ 314.903091][ T7258] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 314.903141][ T7258] gfs2_fill_super+0x13c0/0x20d0 [ 314.903194][ T7258] ? __pfx_gfs2_fill_super+0x10/0x10 [ 314.903225][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.903259][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.903287][ T7258] ? sb_set_blocksize+0x104/0x180 [ 314.903325][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.903352][ T7258] ? setup_bdev_super+0x4c1/0x5b0 [ 314.903391][ T7258] get_tree_bdev_flags+0x40e/0x4d0 [ 314.903425][ T7258] ? __pfx_gfs2_fill_super+0x10/0x10 [ 314.903459][ T7258] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 314.903497][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.903533][ T7258] gfs2_get_tree+0x51/0x1e0 [ 314.903571][ T7258] vfs_get_tree+0x92/0x2b0 [ 314.903609][ T7258] do_new_mount+0x2a2/0x9e0 [ 314.903649][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.903677][ T7258] ? ns_capable+0x8a/0xf0 [ 314.903702][ T7258] ? __pfx_do_new_mount+0x10/0x10 [ 314.903737][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.903765][ T7258] ? path_mount+0x61c/0xfe0 [ 314.903805][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.903847][ T7258] __se_sys_mount+0x317/0x410 [ 314.903893][ T7258] ? __pfx___se_sys_mount+0x10/0x10 [ 314.903929][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.903966][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.903994][ T7258] ? __x64_sys_mount+0x20/0xc0 [ 314.904035][ T7258] do_syscall_64+0xfa/0x3b0 [ 314.904058][ T7258] ? lockdep_hardirqs_on+0x9c/0x150 [ 314.904095][ T7258] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 314.904119][ T7258] ? srso_alias_return_thunk+0x5/0xfbef5 [ 314.904147][ T7258] ? exc_page_fault+0x9f/0xf0 [ 314.904186][ T7258] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 314.904211][ T7258] RIP: 0033:0x7fab0039038a [ 314.904234][ T7258] 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 [ 314.904255][ T7258] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 314.904280][ T7258] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 314.904300][ T7258] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 314.904318][ T7258] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 314.904336][ T7258] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 314.904353][ T7258] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 314.904390][ T7258] [ 314.904418][ T7258] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 315.296107][ T7258] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 315.733346][ T7263] loop1: detected capacity change from 0 to 32768 [ 315.748893][ T7263] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 315.756387][ T7263] CPU: 1 UID: 0 PID: 7263 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full) [ 315.756416][ T7263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 315.756432][ T7263] Call Trace: [ 315.756442][ T7263] [ 315.756453][ T7263] dump_stack_lvl+0x189/0x250 [ 315.756492][ T7263] ? __pfx_dump_stack_lvl+0x10/0x10 [ 315.756522][ T7263] ? __pfx__printk+0x10/0x10 [ 315.756562][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.756590][ T7263] ? kernfs_path_from_node+0x250/0x290 [ 315.756619][ T7263] ? kernfs_path_from_node+0x2f/0x290 [ 315.756652][ T7263] sysfs_create_dir_ns+0x259/0x280 [ 315.756683][ T7263] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 315.756713][ T7263] ? do_raw_spin_unlock+0x122/0x240 [ 315.756752][ T7263] kobject_add_internal+0x59f/0xb40 [ 315.756789][ T7263] kobject_init_and_add+0x125/0x190 [ 315.756830][ T7263] ? __pfx_kobject_init_and_add+0x10/0x10 [ 315.756857][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.756885][ T7263] ? __raw_spin_lock_init+0x45/0x100 [ 315.756918][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.756946][ T7263] ? __init_swait_queue_head+0xa9/0x150 [ 315.756981][ T7263] gfs2_sys_fs_add+0x234/0x450 [ 315.757011][ T7263] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 315.757046][ T7263] ? is_dynamic_key+0xd6/0x1c0 [ 315.757081][ T7263] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 315.757133][ T7263] gfs2_fill_super+0x13c0/0x20d0 [ 315.757186][ T7263] ? __pfx_gfs2_fill_super+0x10/0x10 [ 315.757218][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.757253][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.757281][ T7263] ? sb_set_blocksize+0x104/0x180 [ 315.757319][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.757348][ T7263] ? setup_bdev_super+0x4c1/0x5b0 [ 315.757388][ T7263] get_tree_bdev_flags+0x40e/0x4d0 [ 315.757424][ T7263] ? __pfx_gfs2_fill_super+0x10/0x10 [ 315.757459][ T7263] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 315.757499][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.757536][ T7263] gfs2_get_tree+0x51/0x1e0 [ 315.757575][ T7263] vfs_get_tree+0x92/0x2b0 [ 315.757613][ T7263] do_new_mount+0x2a2/0x9e0 [ 315.757654][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.757683][ T7263] ? ns_capable+0x8a/0xf0 [ 315.757708][ T7263] ? __pfx_do_new_mount+0x10/0x10 [ 315.757743][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.757772][ T7263] ? path_mount+0x61c/0xfe0 [ 315.757813][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.757856][ T7263] __se_sys_mount+0x317/0x410 [ 315.757901][ T7263] ? __pfx___se_sys_mount+0x10/0x10 [ 315.757937][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.757975][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.758004][ T7263] ? __x64_sys_mount+0x20/0xc0 [ 315.758046][ T7263] do_syscall_64+0xfa/0x3b0 [ 315.758068][ T7263] ? lockdep_hardirqs_on+0x9c/0x150 [ 315.758106][ T7263] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 315.758130][ T7263] ? srso_alias_return_thunk+0x5/0xfbef5 [ 315.758159][ T7263] ? exc_page_fault+0x9f/0xf0 [ 315.758198][ T7263] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 315.758223][ T7263] RIP: 0033:0x7fab0039038a [ 315.758245][ T7263] 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 [ 315.758267][ T7263] RSP: 002b:00007fab0114fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 315.758293][ T7263] RAX: ffffffffffffffda RBX: 00007fab0114fef0 RCX: 00007fab0039038a [ 315.758312][ T7263] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fab0114feb0 [ 315.758331][ T7263] RBP: 00002000000124c0 R08: 00007fab0114fef0 R09: 0000000000000000 [ 315.758348][ T7263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 315.758366][ T7263] R13: 00007fab0114feb0 R14: 00000000000124d4 R15: 0000200000000000 [ 315.758403][ T7263] [ 315.758430][ T7263] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 315.831949][ T31] INFO: task kworker/0:1H:55 blocked for more than 143 seconds. [ 315.836665][ T7263] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 315.842168][ T31] Not tainted syzkaller #0 [ 316.164532][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 316.173256][ T31] task:kworker/0:1H state:D stack:26312 pid:55 tgid:55 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 316.185345][ T31] Workqueue: gfs2-glock/syz:syz glock_work_func [ 316.191605][ T31] Call Trace: [ 316.194920][ T31] [ 316.197871][ T31] __schedule+0x1798/0x4cc0 [ 316.202692][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.208610][ T31] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 316.214248][ T31] ? __pfx___schedule+0x10/0x10 [ 316.219127][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.224830][ T31] ? schedule+0x91/0x360 [ 316.229091][ T31] schedule+0x165/0x360 [ 316.233831][ T31] io_schedule+0x80/0xd0 [ 316.238089][ T31] bit_wait_io+0x11/0xd0 [ 316.242387][ T31] __wait_on_bit_lock+0xec/0x4f0 [ 316.247351][ T31] ? __pfx_bit_wait_io+0x10/0x10 [ 316.252351][ T31] ? __pfx_bit_wait_io+0x10/0x10 [ 316.257870][ T31] out_of_line_wait_on_bit_lock+0x123/0x170 [ 316.263849][ T31] ? __pfx_out_of_line_wait_on_bit_lock+0x10/0x10 [ 316.270283][ T31] ? __pfx_wake_bit_function+0x10/0x10 [ 316.275827][ T31] ? find_lock_entries+0x10d/0xa60 [ 316.280969][ T31] block_invalidate_folio+0x376/0x730 [ 316.286403][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.292095][ T31] ? shmem_mapping+0xd/0x50 [ 316.296613][ T31] ? __pfx_block_invalidate_folio+0x10/0x10 [ 316.302580][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.308225][ T31] ? folio_mapping+0x16f/0x240 [ 316.313041][ T31] ? __pfx_block_invalidate_folio+0x10/0x10 [ 316.319061][ T31] truncate_cleanup_folio+0x2d8/0x430 [ 316.324488][ T31] truncate_inode_pages_range+0x233/0xda0 [ 316.330330][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.336014][ T31] ? kasan_save_track+0x4f/0x80 [ 316.340888][ T31] ? kasan_save_track+0x3e/0x80 [ 316.345775][ T31] ? kasan_save_free_info+0x46/0x50 [ 316.350976][ T31] ? __kasan_slab_free+0x5b/0x80 [ 316.355959][ T31] ? __pfx_truncate_inode_pages_range+0x10/0x10 [ 316.362862][ T31] ? glock_work_func+0x2a8/0x580 [ 316.367895][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.373668][ T31] ? gfs2_rgrp_brelse+0x142/0x180 [ 316.378725][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.384417][ T31] ? rgrp_go_inval+0x152/0x1d0 [ 316.389296][ T31] ? __pfx_rgrp_go_inval+0x10/0x10 [ 316.394754][ T31] do_xmote+0x6e7/0x1260 [ 316.399030][ T31] glock_work_func+0x2a8/0x580 [ 316.404163][ T31] ? process_scheduled_works+0x9ef/0x17b0 [ 316.409899][ T31] ? process_scheduled_works+0x9ef/0x17b0 [ 316.415765][ T31] process_scheduled_works+0xae1/0x17b0 [ 316.421385][ T31] ? __pfx_process_scheduled_works+0x10/0x10 [ 316.427714][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.433486][ T31] worker_thread+0x8a0/0xda0 [ 316.438091][ T31] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 316.447869][ T1298] ieee802154 phy0 wpan0: encryption failed: -22 [ 316.449255][ T31] ? __kthread_parkme+0x7b/0x200 [ 316.455254][ T1298] ieee802154 phy1 wpan1: encryption failed: -22 [ 316.459082][ T31] kthread+0x711/0x8a0 [ 316.470980][ T31] ? __pfx_worker_thread+0x10/0x10 [ 316.476207][ T31] ? __pfx_kthread+0x10/0x10 [ 316.480808][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.486544][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 316.491768][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.497466][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 316.502708][ T31] ? __pfx_kthread+0x10/0x10 [ 316.507323][ T31] ret_from_fork+0x3fc/0x770 [ 316.511960][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 316.517079][ T31] ? __switch_to_asm+0x39/0x70 [ 316.522048][ T31] ? __switch_to_asm+0x33/0x70 [ 316.526854][ T31] ? __pfx_kthread+0x10/0x10 [ 316.531468][ T31] ret_from_fork_asm+0x1a/0x30 [ 316.536336][ T31] [ 316.539484][ T31] INFO: task syz-executor:6449 blocked for more than 144 seconds. [ 316.547380][ T31] Not tainted syzkaller #0 [ 316.552374][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 316.561031][ T31] task:syz-executor state:D stack:21832 pid:6449 tgid:6449 ppid:1 task_flags:0x400140 flags:0x00004004 [ 316.573649][ T31] Call Trace: [ 316.576933][ T31] [ 316.579874][ T31] __schedule+0x1798/0x4cc0 [ 316.584466][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.590114][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.595803][ T31] ? validate_chain+0x897/0x2140 [ 316.600752][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.606480][ T31] ? __lock_acquire+0xab9/0xd20 [ 316.611358][ T31] ? __pfx___schedule+0x10/0x10 [ 316.616314][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.621988][ T31] ? schedule+0x91/0x360 [ 316.626266][ T31] schedule+0x165/0x360 [ 316.630432][ T31] schedule_timeout+0x9a/0x270 [ 316.635258][ T31] ? __pfx_schedule_timeout+0x10/0x10 [ 316.640650][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 316.645899][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.651633][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 316.656903][ T31] ? wait_for_completion+0x267/0x5d0 [ 316.662233][ T31] wait_for_completion+0x2bf/0x5d0 [ 316.667906][ T31] ? __pfx_wait_for_completion+0x10/0x10 [ 316.673634][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.679278][ T31] ? __flush_work+0xd2/0xbc0 [ 316.684100][ T31] ? __flush_work+0xd2/0xbc0 [ 316.688700][ T31] __flush_work+0x9b9/0xbc0 [ 316.693269][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.698917][ T31] ? __flush_work+0xd2/0xbc0 [ 316.703628][ T31] ? __pfx___flush_work+0x10/0x10 [ 316.708781][ T31] ? __pfx_wq_barrier_func+0x10/0x10 [ 316.714114][ T31] ? __pfx___timer_delete_sync+0x10/0x10 [ 316.719766][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.725423][ T31] ? preempt_schedule_common+0x83/0xd0 [ 316.730898][ T31] ? flush_delayed_work+0x11d/0x190 [ 316.736162][ T31] flush_delayed_work+0x13e/0x190 [ 316.741205][ T31] ? __pfx_flush_delayed_work+0x10/0x10 [ 316.746794][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.752475][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 316.757889][ T31] gfs2_clear_rgrpd+0xd7/0x690 [ 316.762842][ T31] gfs2_put_super+0x8a7/0x950 [ 316.767527][ T31] ? __pfx_gfs2_put_super+0x10/0x10 [ 316.773337][ T31] generic_shutdown_super+0x135/0x2c0 [ 316.778739][ T31] kill_block_super+0x44/0x90 [ 316.783477][ T31] deactivate_locked_super+0xbc/0x130 [ 316.788982][ T31] cleanup_mnt+0x425/0x4c0 [ 316.793482][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.799150][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 316.804414][ T31] task_work_run+0x1d4/0x260 [ 316.809019][ T31] ? __pfx_task_work_run+0x10/0x10 [ 316.814180][ T31] ? __x64_sys_umount+0x122/0x160 [ 316.819221][ T31] ? exit_to_user_mode_loop+0x40/0x110 [ 316.824826][ T31] exit_to_user_mode_loop+0xec/0x110 [ 316.830134][ T31] do_syscall_64+0x2bd/0x3b0 [ 316.834757][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 316.840055][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 316.846140][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 316.851782][ T31] ? exc_page_fault+0x9f/0xf0 [ 316.856530][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 316.862447][ T31] RIP: 0033:0x7f9ac598ff17 [ 316.866871][ T31] RSP: 002b:00007fff8d7cb0b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 316.875912][ T31] RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007f9ac598ff17 [ 316.883919][ T31] RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007fff8d7cc260 [ 316.891923][ T31] RBP: 00007f9ac5a11c05 R08: 0000555563989643 R09: 0000000000000000 [ 316.899892][ T31] R10: 0000000000000100 R11: 0000000000000206 R12: 00007fff8d7cc260 [ 316.907912][ T31] R13: 00007f9ac5a11c05 R14: 000055556396e4a8 R15: 00007fff8d7cd330 [ 316.915972][ T31] [ 316.919087][ T31] [ 316.919087][ T31] Showing all locks held in the system: [ 316.931041][ T31] 1 lock held by ksoftirqd/1/23: [ 316.931624][ T7263] loop1: detected capacity change from 32768 to 64 [ 316.936125][ T31] #0: ffff8880b8739f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 316.952713][ T31] 1 lock held by khungtaskd/31: [ 316.957597][ T31] #0: ffffffff8e139ee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 316.967645][ T31] 2 locks held by kworker/0:1H/55: 2025/08/30 11:23:19 executed programs: 171 [ 316.979173][ T31] #0: ffff88807d8ecd48 ((wq_completion)gfs2-glock/syz:syz){+.+.}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 [ 316.991500][ T31] #1: ffffc90001357bc0 ((work_completion)(&(&gl->gl_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 [ 317.004323][ T31] 1 lock held by syslogd/5212: [ 317.009090][ T31] #0: ffff8880b8739f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 317.019110][ T31] 2 locks held by getty/5617: [ 317.025198][ T31] #0: ffff8880338d30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 317.035464][ T31] #1: ffffc900036c32f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 [ 317.045742][ T31] 1 lock held by syz-executor/6449: [ 317.050947][ T31] #0: ffff88805baca0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xa9/0xe0 [ 317.061295][ T31] 1 lock held by syz-executor/6560: [ 317.068076][ T31] #0: ffffffff8e13f978 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2f6/0x730 [ 317.080166][ T31] 1 lock held by udevd/7059: [ 317.085195][ T31] [ 317.087522][ T31] ============================================= [ 317.087522][ T31] [ 317.108410][ T31] NMI backtrace for cpu 1 [ 317.108430][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 317.108458][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 317.108474][ T31] Call Trace: [ 317.108497][ T31] [ 317.108508][ T31] dump_stack_lvl+0x189/0x250 [ 317.108548][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 317.108579][ T31] ? __pfx__printk+0x10/0x10 [ 317.108629][ T31] nmi_cpu_backtrace+0x39e/0x3d0 [ 317.108665][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 317.108699][ T31] ? __pfx__printk+0x10/0x10 [ 317.108734][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 317.108767][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 317.108811][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 317.108846][ T31] watchdog+0xf93/0xfe0 [ 317.108887][ T31] ? watchdog+0x1de/0xfe0 [ 317.108928][ T31] kthread+0x711/0x8a0 [ 317.108963][ T31] ? __pfx_watchdog+0x10/0x10 [ 317.108997][ T31] ? __pfx_kthread+0x10/0x10 [ 317.109025][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 317.109058][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 317.109091][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 317.109119][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 317.109154][ T31] ? __pfx_kthread+0x10/0x10 [ 317.109186][ T31] ret_from_fork+0x3fc/0x770 [ 317.109216][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 317.109249][ T31] ? __switch_to_asm+0x39/0x70 [ 317.109281][ T31] ? __switch_to_asm+0x33/0x70 [ 317.109313][ T31] ? __pfx_kthread+0x10/0x10 [ 317.109345][ T31] ret_from_fork_asm+0x1a/0x30 [ 317.109396][ T31] [ 317.109406][ T31] Sending NMI from CPU 1 to CPUs 0: [ 317.275663][ C0] NMI backtrace for cpu 0 [ 317.275683][ C0] CPU: 0 UID: 0 PID: 7267 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full) [ 317.275707][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 317.275722][ C0] RIP: 0010:error_return+0x0/0x20 [ 317.275758][ C0] Code: 0f 30 90 e8 32 e5 ff ff eb 0c cc cc cc cc cc cc cc cc cc cc cc cc 48 8d 7c 24 08 e8 1a 74 79 0a 48 89 c7 e9 d2 73 79 0a 90 90 <50> 9c 58 a9 00 02 00 00 74 02 0f 0b 58 f6 84 24 88 00 00 00 03 0f [ 317.275777][ C0] RSP: 0000:ffffc900047bff58 EFLAGS: 00000086 [ 317.275797][ C0] RAX: 9a7b03668d29c800 RBX: 0000000000000000 RCX: 9a7b03668d29c800 [ 317.275813][ C0] RDX: 0000000000000000 RSI: ffffffff8d9b81b0 RDI: ffffffff8be33800 [ 317.275829][ C0] RBP: 0000000000000000 R08: ffffffff8fa38f37 R09: 1ffffffff1f471e6 [ 317.275844][ C0] R10: dffffc0000000000 R11: fffffbfff1f471e7 R12: 0000000000000000 [ 317.275860][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 317.275876][ C0] FS: 00007fab011506c0(0000) GS:ffff888125c18000(0000) knlGS:0000000000000000 [ 317.275896][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 317.275911][ C0] CR2: 00007faaf788f000 CR3: 00000000759be000 CR4: 0000000000350ef0 [ 317.275928][ C0] Call Trace: [ 317.275937][ C0] [ 317.275945][ C0] RIP: 0033:0x7fab00250c50 [ 317.275963][ C0] Code: 39 4f 08 72 4c 8d 4d ff 85 ed 74 33 66 0f 1f 44 00 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 47 0f b6 0c 08 45 84 c9 74 08 <45> 88 0c 00 49 8b 47 10 48 83 c0 01 49 89 47 10 83 e9 01 73 d3 41 [ 317.275981][ C0] RSP: 002b:00007fab0114f4a0 EFLAGS: 00010202 [ 317.275998][ C0] RAX: 000000000048f000 RBX: 00007fab0114f540 RCX: 000000000000001e [ 317.276013][ C0] RDX: 0000000000002fff RSI: 0000000000001000 RDI: 00007fab0114f5e0 [ 317.276028][ C0] RBP: 000000000000001f R08: 00007faaf7400000 R09: 0000000000000001 [ 317.276043][ C0] R10: 0000200000024a42 R11: 00000000000124d2 R12: 0000000000000c01 [ 317.276058][ C0] R13: 00007fab0042d980 R14: 0000000000000017 R15: 00007fab0114f5e0 [ 317.276086][ C0] [ 317.276736][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 317.480163][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 317.489272][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 317.499328][ T31] Call Trace: [ 317.502637][ T31] [ 317.505559][ T31] dump_stack_lvl+0x99/0x250 [ 317.510157][ T31] ? __asan_memcpy+0x40/0x70 [ 317.514752][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 317.519953][ T31] ? __pfx__printk+0x10/0x10 [ 317.524552][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 317.530186][ T31] vpanic+0x281/0x750 [ 317.534170][ T31] ? __pfx_vpanic+0x10/0x10 [ 317.538668][ T31] ? __x2apic_send_IPI_mask+0x1e4/0x260 [ 317.544216][ T31] ? preempt_schedule+0xae/0xc0 [ 317.549072][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 317.554788][ T31] ? preempt_schedule_common+0x83/0xd0 [ 317.560257][ T31] panic+0xb9/0xc0 [ 317.563976][ T31] ? __pfx_panic+0x10/0x10 [ 317.568387][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 317.574017][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 317.579407][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 317.585037][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300 [ 317.591197][ T31] watchdog+0xfd2/0xfe0 [ 317.595367][ T31] ? watchdog+0x1de/0xfe0 [ 317.599706][ T31] kthread+0x711/0x8a0 [ 317.603779][ T31] ? __pfx_watchdog+0x10/0x10 [ 317.608456][ T31] ? __pfx_kthread+0x10/0x10 [ 317.613045][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 317.618681][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 317.623878][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 317.629514][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 317.634774][ T31] ? __pfx_kthread+0x10/0x10 [ 317.639367][ T31] ret_from_fork+0x3fc/0x770 [ 317.643955][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 317.649067][ T31] ? __switch_to_asm+0x39/0x70 [ 317.653830][ T31] ? __switch_to_asm+0x33/0x70 [ 317.658773][ T31] ? __pfx_kthread+0x10/0x10 [ 317.663367][ T31] ret_from_fork_asm+0x1a/0x30 [ 317.668145][ T31] [ 317.671416][ T31] Kernel Offset: disabled [ 317.675757][ T31] Rebooting in 86400 seconds..