T6932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 252.524351][ T6932] Call Trace:
[ 252.524362][ T6932]
[ 252.524373][ T6932] dump_stack_lvl+0xe8/0x150
[ 252.524418][ T6932] sysfs_create_dir_ns+0x271/0x2a0
[ 252.524459][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.524493][ T6932] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 252.524536][ T6932] ? do_raw_spin_unlock+0xf5/0x210
[ 252.524571][ T6932] kobject_add_internal+0x62b/0xd00
[ 252.524622][ T6932] kobject_init_and_add+0x12b/0x1a0
[ 252.524668][ T6932] ? __pfx_kobject_init_and_add+0x10/0x10
[ 252.524709][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.524740][ T6932] ? __raw_spin_lock_init+0x45/0x100
[ 252.524771][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.524803][ T6932] ? __init_swait_queue_head+0xa9/0x150
[ 252.524836][ T6932] gfs2_sys_fs_add+0x257/0x480
[ 252.524876][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.524907][ T6932] ? is_dynamic_key+0x1ac/0x1c0
[ 252.524944][ T6932] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 252.524995][ T6932] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 252.525041][ T6932] gfs2_fill_super+0x13a7/0x21d0
[ 252.525092][ T6932] ? __pfx_gfs2_fill_super+0x10/0x10
[ 252.525122][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.525161][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.525192][ T6932] ? sb_set_blocksize+0x155/0x240
[ 252.525227][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.525258][ T6932] ? setup_bdev_super+0x4c1/0x5b0
[ 252.525300][ T6932] get_tree_bdev_flags+0x431/0x4f0
[ 252.525333][ T6932] ? __pfx_gfs2_fill_super+0x10/0x10
[ 252.525365][ T6932] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 252.525394][ T6932] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 252.525427][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.525468][ T6932] gfs2_get_tree+0x51/0x1e0
[ 252.525504][ T6932] vfs_get_tree+0x92/0x2a0
[ 252.525538][ T6932] do_new_mount+0x341/0xd30
[ 252.525577][ T6932] ? apparmor_capable+0x126/0x170
[ 252.525615][ T6932] ? __pfx_do_new_mount+0x10/0x10
[ 252.525654][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.525685][ T6932] ? ns_capable+0x89/0xe0
[ 252.525720][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.525754][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.525792][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.525823][ T6932] ? user_path_at+0xd4/0x160
[ 252.525854][ T6932] __se_sys_mount+0x31d/0x420
[ 252.525902][ T6932] ? __pfx___se_sys_mount+0x10/0x10
[ 252.525941][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.525980][ T6932] ? srso_alias_return_thunk+0x5/0xfbef5
[ 252.526011][ T6932] ? __x64_sys_mount+0x20/0xc0
[ 252.526054][ T6932] do_syscall_64+0x14d/0xf80
[ 252.526089][ T6932] ? trace_irq_disable+0x3b/0x150
[ 252.526113][ T6932] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 252.526147][ T6932] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 252.526174][ T6932] RIP: 0033:0x7f6dc039da0a
[ 252.526198][ T6932] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 252.526220][ T6932] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.526247][ T6932] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 252.526267][ T6932] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 252.526295][ T6932] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 252.526314][ T6932] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 252.526332][ T6932] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 252.526373][ T6932]
[ 252.526404][ T6932] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.901399][ T6932] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.322915][ T6936] loop1: detected capacity change from 0 to 32768
[ 253.340165][ T6936] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.347719][ T6936] CPU: 1 UID: 0 PID: 6936 Comm: syz.1.136 Not tainted syzkaller #0 PREEMPT(full)
[ 253.347751][ T6936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 253.347769][ T6936] Call Trace:
[ 253.347779][ T6936]
[ 253.347790][ T6936] dump_stack_lvl+0xe8/0x150
[ 253.347832][ T6936] sysfs_create_dir_ns+0x271/0x2a0
[ 253.347871][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.347906][ T6936] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 253.347947][ T6936] ? do_raw_spin_unlock+0xf5/0x210
[ 253.347982][ T6936] kobject_add_internal+0x62b/0xd00
[ 253.348054][ T6936] kobject_init_and_add+0x12b/0x1a0
[ 253.348099][ T6936] ? __pfx_kobject_init_and_add+0x10/0x10
[ 253.348139][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348170][ T6936] ? __raw_spin_lock_init+0x45/0x100
[ 253.348199][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348231][ T6936] ? __init_swait_queue_head+0xa9/0x150
[ 253.348264][ T6936] gfs2_sys_fs_add+0x257/0x480
[ 253.348304][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348328][ T6936] ? is_dynamic_key+0x1ac/0x1c0
[ 253.348354][ T6936] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 253.348391][ T6936] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 253.348424][ T6936] gfs2_fill_super+0x13a7/0x21d0
[ 253.348461][ T6936] ? __pfx_gfs2_fill_super+0x10/0x10
[ 253.348483][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348510][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348532][ T6936] ? sb_set_blocksize+0x155/0x240
[ 253.348558][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348581][ T6936] ? setup_bdev_super+0x4c1/0x5b0
[ 253.348607][ T6936] get_tree_bdev_flags+0x431/0x4f0
[ 253.348631][ T6936] ? __pfx_gfs2_fill_super+0x10/0x10
[ 253.348654][ T6936] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 253.348675][ T6936] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 253.348699][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348728][ T6936] gfs2_get_tree+0x51/0x1e0
[ 253.348754][ T6936] vfs_get_tree+0x92/0x2a0
[ 253.348779][ T6936] do_new_mount+0x341/0xd30
[ 253.348806][ T6936] ? apparmor_capable+0x126/0x170
[ 253.348839][ T6936] ? __pfx_do_new_mount+0x10/0x10
[ 253.348867][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348889][ T6936] ? ns_capable+0x89/0xe0
[ 253.348915][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348940][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348966][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.348989][ T6936] ? user_path_at+0xd4/0x160
[ 253.349012][ T6936] __se_sys_mount+0x31d/0x420
[ 253.349051][ T6936] ? __pfx___se_sys_mount+0x10/0x10
[ 253.349079][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.349107][ T6936] ? srso_alias_return_thunk+0x5/0xfbef5
[ 253.349129][ T6936] ? __x64_sys_mount+0x20/0xc0
[ 253.349160][ T6936] do_syscall_64+0x14d/0xf80
[ 253.349186][ T6936] ? trace_irq_disable+0x3b/0x150
[ 253.349203][ T6936] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.349227][ T6936] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.349247][ T6936] RIP: 0033:0x7f6dc039da0a
[ 253.349264][ T6936] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 253.349282][ T6936] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.349302][ T6936] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 253.349316][ T6936] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 253.349330][ T6936] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 253.349344][ T6936] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 253.349357][ T6936] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 253.349386][ T6936]
[ 253.349440][ T6936] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.726212][ T6936] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/31 15:10:59 executed programs: 122
[ 254.165466][ T6940] loop1: detected capacity change from 0 to 32768
[ 254.176162][ T6940] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.183891][ T6940] CPU: 0 UID: 0 PID: 6940 Comm: syz.1.137 Not tainted syzkaller #0 PREEMPT(full)
[ 254.183924][ T6940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 254.183940][ T6940] Call Trace:
[ 254.183950][ T6940]
[ 254.183961][ T6940] dump_stack_lvl+0xe8/0x150
[ 254.184003][ T6940] sysfs_create_dir_ns+0x271/0x2a0
[ 254.184069][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.184104][ T6940] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 254.184145][ T6940] ? do_raw_spin_unlock+0xf5/0x210
[ 254.184178][ T6940] kobject_add_internal+0x62b/0xd00
[ 254.184228][ T6940] kobject_init_and_add+0x12b/0x1a0
[ 254.184273][ T6940] ? __pfx_kobject_init_and_add+0x10/0x10
[ 254.184313][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.184344][ T6940] ? __raw_spin_lock_init+0x45/0x100
[ 254.184373][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.184404][ T6940] ? __init_swait_queue_head+0xa9/0x150
[ 254.184436][ T6940] gfs2_sys_fs_add+0x257/0x480
[ 254.184475][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.184506][ T6940] ? is_dynamic_key+0x1ac/0x1c0
[ 254.184542][ T6940] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 254.184593][ T6940] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 254.184636][ T6940] gfs2_fill_super+0x13a7/0x21d0
[ 254.184686][ T6940] ? __pfx_gfs2_fill_super+0x10/0x10
[ 254.184715][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.184752][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.184782][ T6940] ? sb_set_blocksize+0x155/0x240
[ 254.184817][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.184850][ T6940] ? setup_bdev_super+0x4c1/0x5b0
[ 254.184882][ T6940] get_tree_bdev_flags+0x431/0x4f0
[ 254.184911][ T6940] ? __pfx_gfs2_fill_super+0x10/0x10
[ 254.184939][ T6940] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 254.184964][ T6940] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 254.184993][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.185049][ T6940] gfs2_get_tree+0x51/0x1e0
[ 254.185080][ T6940] vfs_get_tree+0x92/0x2a0
[ 254.185110][ T6940] do_new_mount+0x341/0xd30
[ 254.185143][ T6940] ? apparmor_capable+0x126/0x170
[ 254.185177][ T6940] ? __pfx_do_new_mount+0x10/0x10
[ 254.185211][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.185238][ T6940] ? ns_capable+0x89/0xe0
[ 254.185270][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.185300][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.185332][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.185359][ T6940] ? user_path_at+0xd4/0x160
[ 254.185385][ T6940] __se_sys_mount+0x31d/0x420
[ 254.185427][ T6940] ? __pfx___se_sys_mount+0x10/0x10
[ 254.185460][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.185495][ T6940] ? srso_alias_return_thunk+0x5/0xfbef5
[ 254.185522][ T6940] ? __x64_sys_mount+0x20/0xc0
[ 254.185559][ T6940] do_syscall_64+0x14d/0xf80
[ 254.185589][ T6940] ? trace_irq_disable+0x3b/0x150
[ 254.185609][ T6940] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.185639][ T6940] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.185663][ T6940] RIP: 0033:0x7f6dc039da0a
[ 254.185684][ T6940] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 254.185703][ T6940] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.185726][ T6940] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 254.185744][ T6940] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 254.185760][ T6940] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 254.185777][ T6940] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 254.185792][ T6940] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 254.185827][ T6940]
[ 254.185861][ T6940] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.560903][ T6940] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 254.944871][ T1296] ieee802154 phy0 wpan0: encryption failed: -22
[ 254.951855][ T1296] ieee802154 phy1 wpan1: encryption failed: -22
[ 254.999393][ T6944] loop1: detected capacity change from 0 to 32768
[ 255.013434][ T6944] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.022608][ T6944] CPU: 1 UID: 0 PID: 6944 Comm: syz.1.138 Not tainted syzkaller #0 PREEMPT(full)
[ 255.022644][ T6944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 255.022661][ T6944] Call Trace:
[ 255.022672][ T6944]
[ 255.022683][ T6944] dump_stack_lvl+0xe8/0x150
[ 255.022727][ T6944] sysfs_create_dir_ns+0x271/0x2a0
[ 255.022761][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.022786][ T6944] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 255.022816][ T6944] ? do_raw_spin_unlock+0xf5/0x210
[ 255.022842][ T6944] kobject_add_internal+0x62b/0xd00
[ 255.022879][ T6944] kobject_init_and_add+0x12b/0x1a0
[ 255.022912][ T6944] ? __pfx_kobject_init_and_add+0x10/0x10
[ 255.022942][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.022964][ T6944] ? __raw_spin_lock_init+0x45/0x100
[ 255.022986][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023008][ T6944] ? __init_swait_queue_head+0xa9/0x150
[ 255.023049][ T6944] gfs2_sys_fs_add+0x257/0x480
[ 255.023077][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023099][ T6944] ? is_dynamic_key+0x1ac/0x1c0
[ 255.023125][ T6944] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 255.023162][ T6944] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 255.023195][ T6944] gfs2_fill_super+0x13a7/0x21d0
[ 255.023232][ T6944] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.023254][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023290][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023322][ T6944] ? sb_set_blocksize+0x155/0x240
[ 255.023356][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023387][ T6944] ? setup_bdev_super+0x4c1/0x5b0
[ 255.023414][ T6944] get_tree_bdev_flags+0x431/0x4f0
[ 255.023438][ T6944] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.023461][ T6944] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 255.023482][ T6944] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 255.023506][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023535][ T6944] gfs2_get_tree+0x51/0x1e0
[ 255.023561][ T6944] vfs_get_tree+0x92/0x2a0
[ 255.023586][ T6944] do_new_mount+0x341/0xd30
[ 255.023613][ T6944] ? apparmor_capable+0x126/0x170
[ 255.023641][ T6944] ? __pfx_do_new_mount+0x10/0x10
[ 255.023676][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023707][ T6944] ? ns_capable+0x89/0xe0
[ 255.023743][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023777][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023814][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023844][ T6944] ? user_path_at+0xd4/0x160
[ 255.023874][ T6944] __se_sys_mount+0x31d/0x420
[ 255.023920][ T6944] ? __pfx___se_sys_mount+0x10/0x10
[ 255.023958][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.023995][ T6944] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.024026][ T6944] ? __x64_sys_mount+0x20/0xc0
[ 255.024069][ T6944] do_syscall_64+0x14d/0xf80
[ 255.024103][ T6944] ? trace_irq_disable+0x3b/0x150
[ 255.024126][ T6944] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.024159][ T6944] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.024186][ T6944] RIP: 0033:0x7f6dc039da0a
[ 255.024210][ T6944] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 255.024226][ T6944] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.024245][ T6944] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 255.024260][ T6944] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 255.024274][ T6944] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 255.024293][ T6944] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 255.024306][ T6944] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 255.024335][ T6944]
[ 255.026086][ T6944] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.402870][ T6944] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.837205][ T6948] loop1: detected capacity change from 0 to 32768
[ 255.851220][ T6948] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.859478][ T6948] CPU: 0 UID: 0 PID: 6948 Comm: syz.1.139 Not tainted syzkaller #0 PREEMPT(full)
[ 255.859516][ T6948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 255.859533][ T6948] Call Trace:
[ 255.859544][ T6948]
[ 255.859556][ T6948] dump_stack_lvl+0xe8/0x150
[ 255.859597][ T6948] sysfs_create_dir_ns+0x271/0x2a0
[ 255.859638][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.859673][ T6948] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 255.859714][ T6948] ? do_raw_spin_unlock+0xf5/0x210
[ 255.859749][ T6948] kobject_add_internal+0x62b/0xd00
[ 255.859800][ T6948] kobject_init_and_add+0x12b/0x1a0
[ 255.859846][ T6948] ? __pfx_kobject_init_and_add+0x10/0x10
[ 255.859887][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.859918][ T6948] ? __raw_spin_lock_init+0x45/0x100
[ 255.859940][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.859962][ T6948] ? __init_swait_queue_head+0xa9/0x150
[ 255.859986][ T6948] gfs2_sys_fs_add+0x257/0x480
[ 255.860014][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860038][ T6948] ? is_dynamic_key+0x1ac/0x1c0
[ 255.860064][ T6948] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 255.860101][ T6948] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 255.860134][ T6948] gfs2_fill_super+0x13a7/0x21d0
[ 255.860171][ T6948] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.860193][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860220][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860242][ T6948] ? sb_set_blocksize+0x155/0x240
[ 255.860268][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860295][ T6948] ? setup_bdev_super+0x4c1/0x5b0
[ 255.860322][ T6948] get_tree_bdev_flags+0x431/0x4f0
[ 255.860345][ T6948] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.860368][ T6948] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 255.860390][ T6948] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 255.860413][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860442][ T6948] gfs2_get_tree+0x51/0x1e0
[ 255.860468][ T6948] vfs_get_tree+0x92/0x2a0
[ 255.860493][ T6948] do_new_mount+0x341/0xd30
[ 255.860520][ T6948] ? apparmor_capable+0x126/0x170
[ 255.860548][ T6948] ? __pfx_do_new_mount+0x10/0x10
[ 255.860576][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860598][ T6948] ? ns_capable+0x89/0xe0
[ 255.860625][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860649][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860676][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860698][ T6948] ? user_path_at+0xd4/0x160
[ 255.860721][ T6948] __se_sys_mount+0x31d/0x420
[ 255.860755][ T6948] ? __pfx___se_sys_mount+0x10/0x10
[ 255.860783][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860811][ T6948] ? srso_alias_return_thunk+0x5/0xfbef5
[ 255.860833][ T6948] ? __x64_sys_mount+0x20/0xc0
[ 255.860865][ T6948] do_syscall_64+0x14d/0xf80
[ 255.860890][ T6948] ? trace_irq_disable+0x3b/0x150
[ 255.860906][ T6948] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.860931][ T6948] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.860950][ T6948] RIP: 0033:0x7f6dc039da0a
[ 255.860968][ T6948] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 255.860984][ T6948] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.861003][ T6948] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 255.861018][ T6948] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 255.861034][ T6948] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 255.861047][ T6948] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 255.861060][ T6948] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 255.861090][ T6948]
[ 256.219104][ T6948] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.233287][ T6948] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.669674][ T6952] loop1: detected capacity change from 0 to 32768
[ 256.689701][ T6952] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.697106][ T6952] CPU: 1 UID: 0 PID: 6952 Comm: syz.1.140 Not tainted syzkaller #0 PREEMPT(full)
[ 256.697137][ T6952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 256.697153][ T6952] Call Trace:
[ 256.697164][ T6952]
[ 256.697175][ T6952] dump_stack_lvl+0xe8/0x150
[ 256.697218][ T6952] sysfs_create_dir_ns+0x271/0x2a0
[ 256.697258][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.697293][ T6952] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 256.697335][ T6952] ? do_raw_spin_unlock+0xf5/0x210
[ 256.697369][ T6952] kobject_add_internal+0x62b/0xd00
[ 256.697421][ T6952] kobject_init_and_add+0x12b/0x1a0
[ 256.697467][ T6952] ? __pfx_kobject_init_and_add+0x10/0x10
[ 256.697507][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.697538][ T6952] ? __raw_spin_lock_init+0x45/0x100
[ 256.697567][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.697599][ T6952] ? __init_swait_queue_head+0xa9/0x150
[ 256.697631][ T6952] gfs2_sys_fs_add+0x257/0x480
[ 256.697670][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.697702][ T6952] ? is_dynamic_key+0x1ac/0x1c0
[ 256.697739][ T6952] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 256.697789][ T6952] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 256.697835][ T6952] gfs2_fill_super+0x13a7/0x21d0
[ 256.697886][ T6952] ? __pfx_gfs2_fill_super+0x10/0x10
[ 256.697916][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.697954][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.697985][ T6952] ? sb_set_blocksize+0x155/0x240
[ 256.698021][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.698052][ T6952] ? setup_bdev_super+0x4c1/0x5b0
[ 256.698096][ T6952] get_tree_bdev_flags+0x431/0x4f0
[ 256.698129][ T6952] ? __pfx_gfs2_fill_super+0x10/0x10
[ 256.698160][ T6952] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 256.698190][ T6952] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 256.698222][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.698262][ T6952] gfs2_get_tree+0x51/0x1e0
[ 256.698297][ T6952] vfs_get_tree+0x92/0x2a0
[ 256.698332][ T6952] do_new_mount+0x341/0xd30
[ 256.698369][ T6952] ? apparmor_capable+0x126/0x170
[ 256.698408][ T6952] ? __pfx_do_new_mount+0x10/0x10
[ 256.698447][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.698478][ T6952] ? ns_capable+0x89/0xe0
[ 256.698515][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.698548][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.698585][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.698616][ T6952] ? user_path_at+0xd4/0x160
[ 256.698647][ T6952] __se_sys_mount+0x31d/0x420
[ 256.698694][ T6952] ? __pfx___se_sys_mount+0x10/0x10
[ 256.698733][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.698771][ T6952] ? srso_alias_return_thunk+0x5/0xfbef5
[ 256.698802][ T6952] ? __x64_sys_mount+0x20/0xc0
[ 256.698845][ T6952] do_syscall_64+0x14d/0xf80
[ 256.698880][ T6952] ? trace_irq_disable+0x3b/0x150
[ 256.698904][ T6952] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 256.698937][ T6952] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 256.698964][ T6952] RIP: 0033:0x7f6dc039da0a
[ 256.698988][ T6952] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 256.699011][ T6952] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.699037][ T6952] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 256.699067][ T6952] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 256.699087][ T6952] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 256.699106][ T6952] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 256.699124][ T6952] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 256.699164][ T6952]
[ 256.699192][ T6952] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.026343][ T5139] Bluetooth: hci0: command 0x0406 tx timeout
[ 257.040665][ T6952] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.518389][ T6956] loop1: detected capacity change from 0 to 32768
[ 257.541297][ T6956] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.548679][ T6956] CPU: 1 UID: 0 PID: 6956 Comm: syz.1.141 Not tainted syzkaller #0 PREEMPT(full)
[ 257.548701][ T6956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 257.548713][ T6956] Call Trace:
[ 257.548722][ T6956]
[ 257.548730][ T6956] dump_stack_lvl+0xe8/0x150
[ 257.548762][ T6956] sysfs_create_dir_ns+0x271/0x2a0
[ 257.548792][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.548817][ T6956] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 257.548848][ T6956] ? do_raw_spin_unlock+0xf5/0x210
[ 257.548873][ T6956] kobject_add_internal+0x62b/0xd00
[ 257.548910][ T6956] kobject_init_and_add+0x12b/0x1a0
[ 257.548944][ T6956] ? __pfx_kobject_init_and_add+0x10/0x10
[ 257.548973][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.548996][ T6956] ? __raw_spin_lock_init+0x45/0x100
[ 257.549018][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.549045][ T6956] ? __init_swait_queue_head+0xa9/0x150
[ 257.549069][ T6956] gfs2_sys_fs_add+0x257/0x480
[ 257.549097][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.549120][ T6956] ? is_dynamic_key+0x1ac/0x1c0
[ 257.549146][ T6956] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 257.549182][ T6956] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 257.549215][ T6956] gfs2_fill_super+0x13a7/0x21d0
[ 257.549253][ T6956] ? __pfx_gfs2_fill_super+0x10/0x10
[ 257.549274][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.549301][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.549324][ T6956] ? sb_set_blocksize+0x155/0x240
[ 257.549350][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.549372][ T6956] ? setup_bdev_super+0x4c1/0x5b0
[ 257.549399][ T6956] get_tree_bdev_flags+0x431/0x4f0
[ 257.549422][ T6956] ? __pfx_gfs2_fill_super+0x10/0x10
[ 257.549445][ T6956] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 257.549467][ T6956] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 257.549490][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.549528][ T6956] gfs2_get_tree+0x51/0x1e0
[ 257.549562][ T6956] vfs_get_tree+0x92/0x2a0
[ 257.549598][ T6956] do_new_mount+0x341/0xd30
[ 257.549635][ T6956] ? apparmor_capable+0x126/0x170
[ 257.549674][ T6956] ? __pfx_do_new_mount+0x10/0x10
[ 257.549712][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.549743][ T6956] ? ns_capable+0x89/0xe0
[ 257.549778][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.549812][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.549848][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.549879][ T6956] ? user_path_at+0xd4/0x160
[ 257.549909][ T6956] __se_sys_mount+0x31d/0x420
[ 257.549956][ T6956] ? __pfx___se_sys_mount+0x10/0x10
[ 257.549994][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.550041][ T6956] ? srso_alias_return_thunk+0x5/0xfbef5
[ 257.550072][ T6956] ? __x64_sys_mount+0x20/0xc0
[ 257.550114][ T6956] do_syscall_64+0x14d/0xf80
[ 257.550147][ T6956] ? trace_irq_disable+0x3b/0x150
[ 257.550170][ T6956] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.550204][ T6956] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.550231][ T6956] RIP: 0033:0x7f6dc039da0a
[ 257.550255][ T6956] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 257.550277][ T6956] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.550303][ T6956] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 257.550324][ T6956] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 257.550343][ T6956] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 257.550362][ T6956] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 257.550381][ T6956] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 257.550420][ T6956]
[ 257.913177][ T6956] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.927417][ T6956] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.360274][ T6960] loop1: detected capacity change from 0 to 32768
[ 258.373888][ T6960] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.382020][ T6960] CPU: 0 UID: 0 PID: 6960 Comm: syz.1.142 Not tainted syzkaller #0 PREEMPT(full)
[ 258.382076][ T6960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 258.382092][ T6960] Call Trace:
[ 258.382103][ T6960]
[ 258.382113][ T6960] dump_stack_lvl+0xe8/0x150
[ 258.382155][ T6960] sysfs_create_dir_ns+0x271/0x2a0
[ 258.382195][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.382230][ T6960] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 258.382271][ T6960] ? do_raw_spin_unlock+0xf5/0x210
[ 258.382304][ T6960] kobject_add_internal+0x62b/0xd00
[ 258.382355][ T6960] kobject_init_and_add+0x12b/0x1a0
[ 258.382400][ T6960] ? __pfx_kobject_init_and_add+0x10/0x10
[ 258.382440][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.382471][ T6960] ? __raw_spin_lock_init+0x45/0x100
[ 258.382500][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.382531][ T6960] ? __init_swait_queue_head+0xa9/0x150
[ 258.382563][ T6960] gfs2_sys_fs_add+0x257/0x480
[ 258.382601][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.382631][ T6960] ? is_dynamic_key+0x1ac/0x1c0
[ 258.382666][ T6960] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 258.382715][ T6960] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 258.382759][ T6960] gfs2_fill_super+0x13a7/0x21d0
[ 258.382809][ T6960] ? __pfx_gfs2_fill_super+0x10/0x10
[ 258.382838][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.382874][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.382904][ T6960] ? sb_set_blocksize+0x155/0x240
[ 258.382939][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.382969][ T6960] ? setup_bdev_super+0x4c1/0x5b0
[ 258.383005][ T6960] get_tree_bdev_flags+0x431/0x4f0
[ 258.383056][ T6960] ? __pfx_gfs2_fill_super+0x10/0x10
[ 258.383087][ T6960] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 258.383117][ T6960] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 258.383148][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.383187][ T6960] gfs2_get_tree+0x51/0x1e0
[ 258.383221][ T6960] vfs_get_tree+0x92/0x2a0
[ 258.383254][ T6960] do_new_mount+0x341/0xd30
[ 258.383291][ T6960] ? apparmor_capable+0x126/0x170
[ 258.383329][ T6960] ? __pfx_do_new_mount+0x10/0x10
[ 258.383367][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.383397][ T6960] ? ns_capable+0x89/0xe0
[ 258.383434][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.383466][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.383503][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.383532][ T6960] ? user_path_at+0xd4/0x160
[ 258.383562][ T6960] __se_sys_mount+0x31d/0x420
[ 258.383609][ T6960] ? __pfx___se_sys_mount+0x10/0x10
[ 258.383646][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.383685][ T6960] ? srso_alias_return_thunk+0x5/0xfbef5
[ 258.383715][ T6960] ? __x64_sys_mount+0x20/0xc0
[ 258.383757][ T6960] do_syscall_64+0x14d/0xf80
[ 258.383790][ T6960] ? trace_irq_disable+0x3b/0x150
[ 258.383814][ T6960] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 258.383847][ T6960] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 258.383873][ T6960] RIP: 0033:0x7f6dc039da0a
[ 258.383896][ T6960] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 258.383918][ T6960] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.383945][ T6960] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 258.383965][ T6960] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 258.383984][ T6960] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 258.384003][ T6960] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 258.384021][ T6960] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 258.384064][ T6960]
[ 258.384093][ T6960] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.758819][ T6960] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/31 15:11:04 executed programs: 128
[ 259.220544][ T6964] loop1: detected capacity change from 0 to 32768
[ 259.234976][ T6964] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.248256][ T6964] CPU: 0 UID: 0 PID: 6964 Comm: syz.1.143 Not tainted syzkaller #0 PREEMPT(full)
[ 259.248289][ T6964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 259.248306][ T6964] Call Trace:
[ 259.248316][ T6964]
[ 259.248328][ T6964] dump_stack_lvl+0xe8/0x150
[ 259.248370][ T6964] sysfs_create_dir_ns+0x271/0x2a0
[ 259.248410][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.248445][ T6964] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 259.248487][ T6964] ? do_raw_spin_unlock+0xf5/0x210
[ 259.248522][ T6964] kobject_add_internal+0x62b/0xd00
[ 259.248572][ T6964] kobject_init_and_add+0x12b/0x1a0
[ 259.248619][ T6964] ? __pfx_kobject_init_and_add+0x10/0x10
[ 259.248660][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.248691][ T6964] ? __raw_spin_lock_init+0x45/0x100
[ 259.248720][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.248751][ T6964] ? __init_swait_queue_head+0xa9/0x150
[ 259.248783][ T6964] gfs2_sys_fs_add+0x257/0x480
[ 259.248822][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.248854][ T6964] ? is_dynamic_key+0x1ac/0x1c0
[ 259.248890][ T6964] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 259.248940][ T6964] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 259.248985][ T6964] gfs2_fill_super+0x13a7/0x21d0
[ 259.249036][ T6964] ? __pfx_gfs2_fill_super+0x10/0x10
[ 259.249074][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.249112][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.249142][ T6964] ? sb_set_blocksize+0x155/0x240
[ 259.249178][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.249209][ T6964] ? setup_bdev_super+0x4c1/0x5b0
[ 259.249246][ T6964] get_tree_bdev_flags+0x431/0x4f0
[ 259.249279][ T6964] ? __pfx_gfs2_fill_super+0x10/0x10
[ 259.249310][ T6964] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 259.249340][ T6964] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 259.249372][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.249412][ T6964] gfs2_get_tree+0x51/0x1e0
[ 259.249448][ T6964] vfs_get_tree+0x92/0x2a0
[ 259.249481][ T6964] do_new_mount+0x341/0xd30
[ 259.249523][ T6964] ? apparmor_capable+0x126/0x170
[ 259.249562][ T6964] ? __pfx_do_new_mount+0x10/0x10
[ 259.249601][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.249631][ T6964] ? ns_capable+0x89/0xe0
[ 259.249668][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.249701][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.249739][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.249769][ T6964] ? user_path_at+0xd4/0x160
[ 259.249799][ T6964] __se_sys_mount+0x31d/0x420
[ 259.249847][ T6964] ? __pfx___se_sys_mount+0x10/0x10
[ 259.249885][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.249924][ T6964] ? srso_alias_return_thunk+0x5/0xfbef5
[ 259.249955][ T6964] ? __x64_sys_mount+0x20/0xc0
[ 259.249997][ T6964] do_syscall_64+0x14d/0xf80
[ 259.250031][ T6964] ? trace_irq_disable+0x3b/0x150
[ 259.250067][ T6964] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 259.250101][ T6964] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 259.250128][ T6964] RIP: 0033:0x7f6dc039da0a
[ 259.250152][ T6964] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 259.250175][ T6964] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.250203][ T6964] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 259.250224][ T6964] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 259.250243][ T6964] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 259.250263][ T6964] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 259.250281][ T6964] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 259.250320][ T6964]
[ 259.610188][ T6964] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.624517][ T6964] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.075397][ T6968] loop1: detected capacity change from 0 to 32768
[ 260.099205][ T6968] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.108160][ T6968] CPU: 1 UID: 0 PID: 6968 Comm: syz.1.144 Not tainted syzkaller #0 PREEMPT(full)
[ 260.108192][ T6968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 260.108208][ T6968] Call Trace:
[ 260.108218][ T6968]
[ 260.108229][ T6968] dump_stack_lvl+0xe8/0x150
[ 260.108272][ T6968] sysfs_create_dir_ns+0x271/0x2a0
[ 260.108312][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.108347][ T6968] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 260.108389][ T6968] ? do_raw_spin_unlock+0xf5/0x210
[ 260.108423][ T6968] kobject_add_internal+0x62b/0xd00
[ 260.108473][ T6968] kobject_init_and_add+0x12b/0x1a0
[ 260.108521][ T6968] ? __pfx_kobject_init_and_add+0x10/0x10
[ 260.108562][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.108593][ T6968] ? __raw_spin_lock_init+0x45/0x100
[ 260.108623][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.108655][ T6968] ? __init_swait_queue_head+0xa9/0x150
[ 260.108687][ T6968] gfs2_sys_fs_add+0x257/0x480
[ 260.108726][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.108757][ T6968] ? is_dynamic_key+0x1ac/0x1c0
[ 260.108793][ T6968] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 260.108843][ T6968] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 260.108888][ T6968] gfs2_fill_super+0x13a7/0x21d0
[ 260.108938][ T6968] ? __pfx_gfs2_fill_super+0x10/0x10
[ 260.108967][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.109004][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.109035][ T6968] ? sb_set_blocksize+0x155/0x240
[ 260.109081][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.109112][ T6968] ? setup_bdev_super+0x4c1/0x5b0
[ 260.109149][ T6968] get_tree_bdev_flags+0x431/0x4f0
[ 260.109182][ T6968] ? __pfx_gfs2_fill_super+0x10/0x10
[ 260.109214][ T6968] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 260.109244][ T6968] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 260.109276][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.109315][ T6968] gfs2_get_tree+0x51/0x1e0
[ 260.109350][ T6968] vfs_get_tree+0x92/0x2a0
[ 260.109383][ T6968] do_new_mount+0x341/0xd30
[ 260.109422][ T6968] ? apparmor_capable+0x126/0x170
[ 260.109461][ T6968] ? __pfx_do_new_mount+0x10/0x10
[ 260.109499][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.109536][ T6968] ? ns_capable+0x89/0xe0
[ 260.109573][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.109606][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.109643][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.109674][ T6968] ? user_path_at+0xd4/0x160
[ 260.109704][ T6968] __se_sys_mount+0x31d/0x420
[ 260.109752][ T6968] ? __pfx___se_sys_mount+0x10/0x10
[ 260.109790][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.109829][ T6968] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.109861][ T6968] ? __x64_sys_mount+0x20/0xc0
[ 260.109904][ T6968] do_syscall_64+0x14d/0xf80
[ 260.109937][ T6968] ? trace_irq_disable+0x3b/0x150
[ 260.109961][ T6968] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.109994][ T6968] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.110021][ T6968] RIP: 0033:0x7f6dc039da0a
[ 260.110053][ T6968] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 260.110074][ T6968] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.110102][ T6968] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 260.110123][ T6968] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 260.110143][ T6968] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 260.110161][ T6968] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 260.110180][ T6968] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 260.110219][ T6968]
[ 260.479742][ T6968] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.493866][ T6968] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.941443][ T6972] loop1: detected capacity change from 0 to 32768
[ 260.953688][ T6972] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.961185][ T6972] CPU: 0 UID: 0 PID: 6972 Comm: syz.1.145 Not tainted syzkaller #0 PREEMPT(full)
[ 260.961216][ T6972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 260.961233][ T6972] Call Trace:
[ 260.961243][ T6972]
[ 260.961255][ T6972] dump_stack_lvl+0xe8/0x150
[ 260.961296][ T6972] sysfs_create_dir_ns+0x271/0x2a0
[ 260.961336][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.961370][ T6972] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 260.961412][ T6972] ? do_raw_spin_unlock+0xf5/0x210
[ 260.961447][ T6972] kobject_add_internal+0x62b/0xd00
[ 260.961498][ T6972] kobject_init_and_add+0x12b/0x1a0
[ 260.961544][ T6972] ? __pfx_kobject_init_and_add+0x10/0x10
[ 260.961584][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.961616][ T6972] ? __raw_spin_lock_init+0x45/0x100
[ 260.961645][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.961676][ T6972] ? __init_swait_queue_head+0xa9/0x150
[ 260.961708][ T6972] gfs2_sys_fs_add+0x257/0x480
[ 260.961746][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.961777][ T6972] ? is_dynamic_key+0x1ac/0x1c0
[ 260.961813][ T6972] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 260.961865][ T6972] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 260.961910][ T6972] gfs2_fill_super+0x13a7/0x21d0
[ 260.961961][ T6972] ? __pfx_gfs2_fill_super+0x10/0x10
[ 260.961992][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.962029][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.962070][ T6972] ? sb_set_blocksize+0x155/0x240
[ 260.962105][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.962136][ T6972] ? setup_bdev_super+0x4c1/0x5b0
[ 260.962173][ T6972] get_tree_bdev_flags+0x431/0x4f0
[ 260.962205][ T6972] ? __pfx_gfs2_fill_super+0x10/0x10
[ 260.962237][ T6972] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 260.962266][ T6972] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 260.962298][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.962337][ T6972] gfs2_get_tree+0x51/0x1e0
[ 260.962373][ T6972] vfs_get_tree+0x92/0x2a0
[ 260.962407][ T6972] do_new_mount+0x341/0xd30
[ 260.962445][ T6972] ? apparmor_capable+0x126/0x170
[ 260.962484][ T6972] ? __pfx_do_new_mount+0x10/0x10
[ 260.962523][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.962554][ T6972] ? ns_capable+0x89/0xe0
[ 260.962591][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.962625][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.962662][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.962693][ T6972] ? user_path_at+0xd4/0x160
[ 260.962724][ T6972] __se_sys_mount+0x31d/0x420
[ 260.962772][ T6972] ? __pfx___se_sys_mount+0x10/0x10
[ 260.962809][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.962848][ T6972] ? srso_alias_return_thunk+0x5/0xfbef5
[ 260.962883][ T6972] ? __x64_sys_mount+0x20/0xc0
[ 260.962925][ T6972] do_syscall_64+0x14d/0xf80
[ 260.962958][ T6972] ? trace_irq_disable+0x3b/0x150
[ 260.962981][ T6972] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.963014][ T6972] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.963057][ T6972] RIP: 0033:0x7f6dc039da0a
[ 260.963079][ T6972] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 260.963101][ T6972] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.963128][ T6972] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 260.963148][ T6972] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 260.963167][ T6972] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 260.963186][ T6972] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 260.963204][ T6972] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 260.963244][ T6972]
[ 260.963531][ T6972] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.338217][ T6972] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 261.764558][ T6976] loop1: detected capacity change from 0 to 32768
[ 261.786386][ T6976] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.795217][ T6976] CPU: 0 UID: 0 PID: 6976 Comm: syz.1.146 Not tainted syzkaller #0 PREEMPT(full)
[ 261.795247][ T6976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 261.795263][ T6976] Call Trace:
[ 261.795273][ T6976]
[ 261.795284][ T6976] dump_stack_lvl+0xe8/0x150
[ 261.795325][ T6976] sysfs_create_dir_ns+0x271/0x2a0
[ 261.795363][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.795397][ T6976] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 261.795438][ T6976] ? do_raw_spin_unlock+0xf5/0x210
[ 261.795472][ T6976] kobject_add_internal+0x62b/0xd00
[ 261.795524][ T6976] kobject_init_and_add+0x12b/0x1a0
[ 261.795570][ T6976] ? __pfx_kobject_init_and_add+0x10/0x10
[ 261.795610][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.795641][ T6976] ? __raw_spin_lock_init+0x45/0x100
[ 261.795670][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.795701][ T6976] ? __init_swait_queue_head+0xa9/0x150
[ 261.795734][ T6976] gfs2_sys_fs_add+0x257/0x480
[ 261.795773][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.795804][ T6976] ? is_dynamic_key+0x1ac/0x1c0
[ 261.795839][ T6976] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 261.795890][ T6976] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 261.795935][ T6976] gfs2_fill_super+0x13a7/0x21d0
[ 261.795985][ T6976] ? __pfx_gfs2_fill_super+0x10/0x10
[ 261.796015][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.796062][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.796094][ T6976] ? sb_set_blocksize+0x155/0x240
[ 261.796129][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.796161][ T6976] ? setup_bdev_super+0x4c1/0x5b0
[ 261.796196][ T6976] get_tree_bdev_flags+0x431/0x4f0
[ 261.796229][ T6976] ? __pfx_gfs2_fill_super+0x10/0x10
[ 261.796262][ T6976] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 261.796292][ T6976] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 261.796323][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.796363][ T6976] gfs2_get_tree+0x51/0x1e0
[ 261.796398][ T6976] vfs_get_tree+0x92/0x2a0
[ 261.796432][ T6976] do_new_mount+0x341/0xd30
[ 261.796470][ T6976] ? apparmor_capable+0x126/0x170
[ 261.796508][ T6976] ? __pfx_do_new_mount+0x10/0x10
[ 261.796546][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.796577][ T6976] ? ns_capable+0x89/0xe0
[ 261.796614][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.796648][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.796685][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.796716][ T6976] ? user_path_at+0xd4/0x160
[ 261.796747][ T6976] __se_sys_mount+0x31d/0x420
[ 261.796795][ T6976] ? __pfx___se_sys_mount+0x10/0x10
[ 261.796833][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.796872][ T6976] ? srso_alias_return_thunk+0x5/0xfbef5
[ 261.796902][ T6976] ? __x64_sys_mount+0x20/0xc0
[ 261.796944][ T6976] do_syscall_64+0x14d/0xf80
[ 261.796978][ T6976] ? trace_irq_disable+0x3b/0x150
[ 261.797002][ T6976] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 261.797046][ T6976] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 261.797073][ T6976] RIP: 0033:0x7f6dc039da0a
[ 261.797097][ T6976] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 261.797119][ T6976] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.797147][ T6976] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 261.797167][ T6976] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 261.797186][ T6976] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 261.797205][ T6976] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 261.797222][ T6976] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 261.797262][ T6976]
[ 261.797291][ T6976] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.171659][ T6976] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.595070][ T6980] loop1: detected capacity change from 0 to 32768
[ 262.612516][ T6980] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.625109][ T6980] CPU: 0 UID: 0 PID: 6980 Comm: syz.1.147 Not tainted syzkaller #0 PREEMPT(full)
[ 262.625143][ T6980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 262.625160][ T6980] Call Trace:
[ 262.625170][ T6980]
[ 262.625181][ T6980] dump_stack_lvl+0xe8/0x150
[ 262.625224][ T6980] sysfs_create_dir_ns+0x271/0x2a0
[ 262.625264][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.625298][ T6980] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 262.625340][ T6980] ? do_raw_spin_unlock+0xf5/0x210
[ 262.625375][ T6980] kobject_add_internal+0x62b/0xd00
[ 262.625425][ T6980] kobject_init_and_add+0x12b/0x1a0
[ 262.625471][ T6980] ? __pfx_kobject_init_and_add+0x10/0x10
[ 262.625511][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.625542][ T6980] ? __raw_spin_lock_init+0x45/0x100
[ 262.625572][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.625603][ T6980] ? __init_swait_queue_head+0xa9/0x150
[ 262.625636][ T6980] gfs2_sys_fs_add+0x257/0x480
[ 262.625674][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.625706][ T6980] ? is_dynamic_key+0x1ac/0x1c0
[ 262.625742][ T6980] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 262.625792][ T6980] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 262.625836][ T6980] gfs2_fill_super+0x13a7/0x21d0
[ 262.625886][ T6980] ? __pfx_gfs2_fill_super+0x10/0x10
[ 262.625916][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.625954][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.625985][ T6980] ? sb_set_blocksize+0x155/0x240
[ 262.626020][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.626062][ T6980] ? setup_bdev_super+0x4c1/0x5b0
[ 262.626098][ T6980] get_tree_bdev_flags+0x431/0x4f0
[ 262.626130][ T6980] ? __pfx_gfs2_fill_super+0x10/0x10
[ 262.626162][ T6980] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 262.626191][ T6980] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 262.626223][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.626262][ T6980] gfs2_get_tree+0x51/0x1e0
[ 262.626298][ T6980] vfs_get_tree+0x92/0x2a0
[ 262.626332][ T6980] do_new_mount+0x341/0xd30
[ 262.626371][ T6980] ? apparmor_capable+0x126/0x170
[ 262.626409][ T6980] ? __pfx_do_new_mount+0x10/0x10
[ 262.626448][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.626480][ T6980] ? ns_capable+0x89/0xe0
[ 262.626517][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.626551][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.626588][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.626619][ T6980] ? user_path_at+0xd4/0x160
[ 262.626649][ T6980] __se_sys_mount+0x31d/0x420
[ 262.626697][ T6980] ? __pfx___se_sys_mount+0x10/0x10
[ 262.626735][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.626774][ T6980] ? srso_alias_return_thunk+0x5/0xfbef5
[ 262.626805][ T6980] ? __x64_sys_mount+0x20/0xc0
[ 262.626847][ T6980] do_syscall_64+0x14d/0xf80
[ 262.626881][ T6980] ? trace_irq_disable+0x3b/0x150
[ 262.626906][ T6980] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.626940][ T6980] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.626967][ T6980] RIP: 0033:0x7f6dc039da0a
[ 262.626991][ T6980] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 262.627014][ T6980] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.627049][ T6980] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 262.627070][ T6980] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 262.627089][ T6980] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 262.627107][ T6980] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 262.627125][ T6980] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 262.627166][ T6980]
[ 262.627194][ T6980] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.001531][ T6980] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.425677][ T6984] loop1: detected capacity change from 0 to 32768
[ 263.444846][ T6984] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.452601][ T6984] CPU: 1 UID: 0 PID: 6984 Comm: syz.1.148 Not tainted syzkaller #0 PREEMPT(full)
[ 263.452633][ T6984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 263.452650][ T6984] Call Trace:
[ 263.452661][ T6984]
[ 263.452672][ T6984] dump_stack_lvl+0xe8/0x150
[ 263.452714][ T6984] sysfs_create_dir_ns+0x271/0x2a0
[ 263.452755][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.452790][ T6984] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 263.452832][ T6984] ? do_raw_spin_unlock+0xf5/0x210
[ 263.452867][ T6984] kobject_add_internal+0x62b/0xd00
[ 263.452918][ T6984] kobject_init_and_add+0x12b/0x1a0
[ 263.452964][ T6984] ? __pfx_kobject_init_and_add+0x10/0x10
[ 263.453005][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.453037][ T6984] ? __raw_spin_lock_init+0x45/0x100
[ 263.453068][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.453099][ T6984] ? __init_swait_queue_head+0xa9/0x150
[ 263.453132][ T6984] gfs2_sys_fs_add+0x257/0x480
[ 263.453171][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.453203][ T6984] ? is_dynamic_key+0x1ac/0x1c0
[ 263.453239][ T6984] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 263.453297][ T6984] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 263.453342][ T6984] gfs2_fill_super+0x13a7/0x21d0
[ 263.453393][ T6984] ? __pfx_gfs2_fill_super+0x10/0x10
[ 263.453423][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.453462][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.453494][ T6984] ? sb_set_blocksize+0x155/0x240
[ 263.453530][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.453561][ T6984] ? setup_bdev_super+0x4c1/0x5b0
[ 263.453598][ T6984] get_tree_bdev_flags+0x431/0x4f0
[ 263.453630][ T6984] ? __pfx_gfs2_fill_super+0x10/0x10
[ 263.453662][ T6984] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 263.453693][ T6984] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 263.453725][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.453764][ T6984] gfs2_get_tree+0x51/0x1e0
[ 263.453800][ T6984] vfs_get_tree+0x92/0x2a0
[ 263.453835][ T6984] do_new_mount+0x341/0xd30
[ 263.453873][ T6984] ? apparmor_capable+0x126/0x170
[ 263.453912][ T6984] ? __pfx_do_new_mount+0x10/0x10
[ 263.453951][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.453982][ T6984] ? ns_capable+0x89/0xe0
[ 263.454020][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.454054][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.454091][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.454123][ T6984] ? user_path_at+0xd4/0x160
[ 263.454154][ T6984] __se_sys_mount+0x31d/0x420
[ 263.454203][ T6984] ? __pfx___se_sys_mount+0x10/0x10
[ 263.454242][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.454282][ T6984] ? srso_alias_return_thunk+0x5/0xfbef5
[ 263.454320][ T6984] ? __x64_sys_mount+0x20/0xc0
[ 263.454363][ T6984] do_syscall_64+0x14d/0xf80
[ 263.454398][ T6984] ? trace_irq_disable+0x3b/0x150
[ 263.454422][ T6984] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 263.454456][ T6984] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 263.454483][ T6984] RIP: 0033:0x7f6dc039da0a
[ 263.454507][ T6984] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 263.454530][ T6984] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.454557][ T6984] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 263.454577][ T6984] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 263.454597][ T6984] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 263.454616][ T6984] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 263.454635][ T6984] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 263.454675][ T6984]
[ 263.454736][ T6984] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.831151][ T6984] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/31 15:11:09 executed programs: 134
[ 264.257630][ T6988] loop1: detected capacity change from 0 to 32768
[ 264.284471][ T6988] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.292171][ T6988] CPU: 1 UID: 0 PID: 6988 Comm: syz.1.149 Not tainted syzkaller #0 PREEMPT(full)
[ 264.292203][ T6988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 264.292220][ T6988] Call Trace:
[ 264.292231][ T6988]
[ 264.292242][ T6988] dump_stack_lvl+0xe8/0x150
[ 264.292284][ T6988] sysfs_create_dir_ns+0x271/0x2a0
[ 264.292324][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.292359][ T6988] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 264.292400][ T6988] ? do_raw_spin_unlock+0xf5/0x210
[ 264.292434][ T6988] kobject_add_internal+0x62b/0xd00
[ 264.292485][ T6988] kobject_init_and_add+0x12b/0x1a0
[ 264.292530][ T6988] ? __pfx_kobject_init_and_add+0x10/0x10
[ 264.292570][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.292601][ T6988] ? __raw_spin_lock_init+0x45/0x100
[ 264.292631][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.292662][ T6988] ? __init_swait_queue_head+0xa9/0x150
[ 264.292695][ T6988] gfs2_sys_fs_add+0x257/0x480
[ 264.292734][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.292765][ T6988] ? is_dynamic_key+0x1ac/0x1c0
[ 264.292801][ T6988] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 264.292851][ T6988] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 264.292896][ T6988] gfs2_fill_super+0x13a7/0x21d0
[ 264.292947][ T6988] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.292976][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.293014][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.293054][ T6988] ? sb_set_blocksize+0x155/0x240
[ 264.293091][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.293122][ T6988] ? setup_bdev_super+0x4c1/0x5b0
[ 264.293158][ T6988] get_tree_bdev_flags+0x431/0x4f0
[ 264.293191][ T6988] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.293222][ T6988] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 264.293252][ T6988] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 264.293283][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.293322][ T6988] gfs2_get_tree+0x51/0x1e0
[ 264.293357][ T6988] vfs_get_tree+0x92/0x2a0
[ 264.293391][ T6988] do_new_mount+0x341/0xd30
[ 264.293430][ T6988] ? apparmor_capable+0x126/0x170
[ 264.293473][ T6988] ? __pfx_do_new_mount+0x10/0x10
[ 264.293507][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.293529][ T6988] ? ns_capable+0x89/0xe0
[ 264.293557][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.293582][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.293608][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.293631][ T6988] ? user_path_at+0xd4/0x160
[ 264.293654][ T6988] __se_sys_mount+0x31d/0x420
[ 264.293688][ T6988] ? __pfx___se_sys_mount+0x10/0x10
[ 264.293716][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.293745][ T6988] ? srso_alias_return_thunk+0x5/0xfbef5
[ 264.293767][ T6988] ? __x64_sys_mount+0x20/0xc0
[ 264.293798][ T6988] do_syscall_64+0x14d/0xf80
[ 264.293823][ T6988] ? trace_irq_disable+0x3b/0x150
[ 264.293840][ T6988] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.293865][ T6988] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.293884][ T6988] RIP: 0033:0x7f6dc039da0a
[ 264.293902][ T6988] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 264.293919][ T6988] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.293939][ T6988] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 264.293953][ T6988] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 264.293968][ T6988] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 264.293981][ T6988] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 264.293995][ T6988] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 264.294024][ T6988]
[ 264.294181][ T6988] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.671813][ T6988] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.095022][ T6992] loop1: detected capacity change from 0 to 32768
[ 265.104994][ T6992] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.112995][ T6992] CPU: 0 UID: 0 PID: 6992 Comm: syz.1.150 Not tainted syzkaller #0 PREEMPT(full)
[ 265.113027][ T6992] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 265.113044][ T6992] Call Trace:
[ 265.113055][ T6992]
[ 265.113066][ T6992] dump_stack_lvl+0xe8/0x150
[ 265.113109][ T6992] sysfs_create_dir_ns+0x271/0x2a0
[ 265.113149][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.113183][ T6992] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 265.113224][ T6992] ? do_raw_spin_unlock+0xf5/0x210
[ 265.113258][ T6992] kobject_add_internal+0x62b/0xd00
[ 265.113316][ T6992] kobject_init_and_add+0x12b/0x1a0
[ 265.113363][ T6992] ? __pfx_kobject_init_and_add+0x10/0x10
[ 265.113404][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.113436][ T6992] ? __raw_spin_lock_init+0x45/0x100
[ 265.113465][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.113497][ T6992] ? __init_swait_queue_head+0xa9/0x150
[ 265.113530][ T6992] gfs2_sys_fs_add+0x257/0x480
[ 265.113570][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.113600][ T6992] ? is_dynamic_key+0x1ac/0x1c0
[ 265.113635][ T6992] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 265.113686][ T6992] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 265.113731][ T6992] gfs2_fill_super+0x13a7/0x21d0
[ 265.113782][ T6992] ? __pfx_gfs2_fill_super+0x10/0x10
[ 265.113812][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.113848][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.113879][ T6992] ? sb_set_blocksize+0x155/0x240
[ 265.113914][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.113946][ T6992] ? setup_bdev_super+0x4c1/0x5b0
[ 265.113982][ T6992] get_tree_bdev_flags+0x431/0x4f0
[ 265.114014][ T6992] ? __pfx_gfs2_fill_super+0x10/0x10
[ 265.114046][ T6992] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 265.114076][ T6992] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 265.114107][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.114148][ T6992] gfs2_get_tree+0x51/0x1e0
[ 265.114183][ T6992] vfs_get_tree+0x92/0x2a0
[ 265.114218][ T6992] do_new_mount+0x341/0xd30
[ 265.114256][ T6992] ? apparmor_capable+0x126/0x170
[ 265.114303][ T6992] ? __pfx_do_new_mount+0x10/0x10
[ 265.114343][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.114374][ T6992] ? ns_capable+0x89/0xe0
[ 265.114411][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.114445][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.114482][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.114512][ T6992] ? user_path_at+0xd4/0x160
[ 265.114542][ T6992] __se_sys_mount+0x31d/0x420
[ 265.114590][ T6992] ? __pfx___se_sys_mount+0x10/0x10
[ 265.114629][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.114669][ T6992] ? srso_alias_return_thunk+0x5/0xfbef5
[ 265.114700][ T6992] ? __x64_sys_mount+0x20/0xc0
[ 265.114743][ T6992] do_syscall_64+0x14d/0xf80
[ 265.114778][ T6992] ? trace_irq_disable+0x3b/0x150
[ 265.114801][ T6992] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 265.114835][ T6992] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 265.114862][ T6992] RIP: 0033:0x7f6dc039da0a
[ 265.114886][ T6992] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 265.114908][ T6992] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.114935][ T6992] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 265.114956][ T6992] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 265.114975][ T6992] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 265.114994][ T6992] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 265.115013][ T6992] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 265.115051][ T6992]
[ 265.115081][ T6992] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.494764][ T6992] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.969069][ T6996] loop1: detected capacity change from 0 to 32768
[ 265.994060][ T6996] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.001893][ T6996] CPU: 1 UID: 0 PID: 6996 Comm: syz.1.151 Not tainted syzkaller #0 PREEMPT(full)
[ 266.001925][ T6996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 266.001942][ T6996] Call Trace:
[ 266.001952][ T6996]
[ 266.001964][ T6996] dump_stack_lvl+0xe8/0x150
[ 266.002007][ T6996] sysfs_create_dir_ns+0x271/0x2a0
[ 266.002058][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.002094][ T6996] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 266.002135][ T6996] ? do_raw_spin_unlock+0xf5/0x210
[ 266.002170][ T6996] kobject_add_internal+0x62b/0xd00
[ 266.002220][ T6996] kobject_init_and_add+0x12b/0x1a0
[ 266.002266][ T6996] ? __pfx_kobject_init_and_add+0x10/0x10
[ 266.002306][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.002337][ T6996] ? __raw_spin_lock_init+0x45/0x100
[ 266.002367][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.002397][ T6996] ? __init_swait_queue_head+0xa9/0x150
[ 266.002430][ T6996] gfs2_sys_fs_add+0x257/0x480
[ 266.002469][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.002500][ T6996] ? is_dynamic_key+0x1ac/0x1c0
[ 266.002535][ T6996] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 266.002585][ T6996] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 266.002630][ T6996] gfs2_fill_super+0x13a7/0x21d0
[ 266.002681][ T6996] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.002711][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.002748][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.002779][ T6996] ? sb_set_blocksize+0x155/0x240
[ 266.002814][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.002845][ T6996] ? setup_bdev_super+0x4c1/0x5b0
[ 266.002882][ T6996] get_tree_bdev_flags+0x431/0x4f0
[ 266.002914][ T6996] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.002945][ T6996] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 266.002974][ T6996] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 266.003006][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.003064][ T6996] gfs2_get_tree+0x51/0x1e0
[ 266.003099][ T6996] vfs_get_tree+0x92/0x2a0
[ 266.003134][ T6996] do_new_mount+0x341/0xd30
[ 266.003171][ T6996] ? apparmor_capable+0x126/0x170
[ 266.003210][ T6996] ? __pfx_do_new_mount+0x10/0x10
[ 266.003249][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.003280][ T6996] ? ns_capable+0x89/0xe0
[ 266.003316][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.003349][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.003386][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.003416][ T6996] ? user_path_at+0xd4/0x160
[ 266.003447][ T6996] __se_sys_mount+0x31d/0x420
[ 266.003495][ T6996] ? __pfx___se_sys_mount+0x10/0x10
[ 266.003534][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.003572][ T6996] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.003603][ T6996] ? __x64_sys_mount+0x20/0xc0
[ 266.003646][ T6996] do_syscall_64+0x14d/0xf80
[ 266.003680][ T6996] ? trace_irq_disable+0x3b/0x150
[ 266.003704][ T6996] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.003737][ T6996] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.003763][ T6996] RIP: 0033:0x7f6dc039da0a
[ 266.003787][ T6996] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 266.003810][ T6996] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.003837][ T6996] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 266.003857][ T6996] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 266.003877][ T6996] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 266.003896][ T6996] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 266.003914][ T6996] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 266.003954][ T6996]
[ 266.003985][ T6996] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.379573][ T6996] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.812572][ T7000] loop1: detected capacity change from 0 to 32768
[ 266.830536][ T7000] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.837946][ T7000] CPU: 0 UID: 0 PID: 7000 Comm: syz.1.152 Not tainted syzkaller #0 PREEMPT(full)
[ 266.837977][ T7000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 266.837994][ T7000] Call Trace:
[ 266.838004][ T7000]
[ 266.838015][ T7000] dump_stack_lvl+0xe8/0x150
[ 266.838057][ T7000] sysfs_create_dir_ns+0x271/0x2a0
[ 266.838097][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.838132][ T7000] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 266.838171][ T7000] ? do_raw_spin_unlock+0xf5/0x210
[ 266.838204][ T7000] kobject_add_internal+0x62b/0xd00
[ 266.838253][ T7000] kobject_init_and_add+0x12b/0x1a0
[ 266.838303][ T7000] ? __pfx_kobject_init_and_add+0x10/0x10
[ 266.838342][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.838371][ T7000] ? __raw_spin_lock_init+0x45/0x100
[ 266.838398][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.838428][ T7000] ? __init_swait_queue_head+0xa9/0x150
[ 266.838460][ T7000] gfs2_sys_fs_add+0x257/0x480
[ 266.838497][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.838527][ T7000] ? is_dynamic_key+0x1ac/0x1c0
[ 266.838562][ T7000] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 266.838612][ T7000] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 266.838656][ T7000] gfs2_fill_super+0x13a7/0x21d0
[ 266.838707][ T7000] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.838737][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.838774][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.838805][ T7000] ? sb_set_blocksize+0x155/0x240
[ 266.838841][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.838871][ T7000] ? setup_bdev_super+0x4c1/0x5b0
[ 266.838907][ T7000] get_tree_bdev_flags+0x431/0x4f0
[ 266.838940][ T7000] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.838971][ T7000] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 266.839000][ T7000] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 266.839032][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.839072][ T7000] gfs2_get_tree+0x51/0x1e0
[ 266.839107][ T7000] vfs_get_tree+0x92/0x2a0
[ 266.839140][ T7000] do_new_mount+0x341/0xd30
[ 266.839178][ T7000] ? apparmor_capable+0x126/0x170
[ 266.839215][ T7000] ? __pfx_do_new_mount+0x10/0x10
[ 266.839252][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.839283][ T7000] ? ns_capable+0x89/0xe0
[ 266.839330][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.839363][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.839401][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.839432][ T7000] ? user_path_at+0xd4/0x160
[ 266.839463][ T7000] __se_sys_mount+0x31d/0x420
[ 266.839515][ T7000] ? __pfx___se_sys_mount+0x10/0x10
[ 266.839554][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.839592][ T7000] ? srso_alias_return_thunk+0x5/0xfbef5
[ 266.839623][ T7000] ? __x64_sys_mount+0x20/0xc0
[ 266.839666][ T7000] do_syscall_64+0x14d/0xf80
[ 266.839701][ T7000] ? trace_irq_disable+0x3b/0x150
[ 266.839725][ T7000] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.839759][ T7000] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.839785][ T7000] RIP: 0033:0x7f6dc039da0a
[ 266.839809][ T7000] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 266.839832][ T7000] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.839859][ T7000] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 266.839879][ T7000] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 266.839899][ T7000] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 266.839918][ T7000] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 266.839936][ T7000] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 266.839976][ T7000]
[ 267.200213][ T7000] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.215215][ T7000] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.604729][ T7004] loop1: detected capacity change from 0 to 32768
[ 267.614780][ T7004] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.623928][ T7004] CPU: 0 UID: 0 PID: 7004 Comm: syz.1.153 Not tainted syzkaller #0 PREEMPT(full)
[ 267.623964][ T7004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 267.623981][ T7004] Call Trace:
[ 267.623992][ T7004]
[ 267.624003][ T7004] dump_stack_lvl+0xe8/0x150
[ 267.624056][ T7004] sysfs_create_dir_ns+0x271/0x2a0
[ 267.624096][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.624128][ T7004] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 267.624168][ T7004] ? do_raw_spin_unlock+0xf5/0x210
[ 267.624202][ T7004] kobject_add_internal+0x62b/0xd00
[ 267.624253][ T7004] kobject_init_and_add+0x12b/0x1a0
[ 267.624298][ T7004] ? __pfx_kobject_init_and_add+0x10/0x10
[ 267.624339][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.624371][ T7004] ? __raw_spin_lock_init+0x45/0x100
[ 267.624400][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.624431][ T7004] ? __init_swait_queue_head+0xa9/0x150
[ 267.624464][ T7004] gfs2_sys_fs_add+0x257/0x480
[ 267.624501][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.624531][ T7004] ? is_dynamic_key+0x1ac/0x1c0
[ 267.624566][ T7004] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 267.624616][ T7004] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 267.624660][ T7004] gfs2_fill_super+0x13a7/0x21d0
[ 267.624711][ T7004] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.624741][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.624777][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.624808][ T7004] ? sb_set_blocksize+0x155/0x240
[ 267.624842][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.624872][ T7004] ? setup_bdev_super+0x4c1/0x5b0
[ 267.624907][ T7004] get_tree_bdev_flags+0x431/0x4f0
[ 267.624940][ T7004] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.624972][ T7004] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 267.625001][ T7004] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 267.625032][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.625081][ T7004] gfs2_get_tree+0x51/0x1e0
[ 267.625116][ T7004] vfs_get_tree+0x92/0x2a0
[ 267.625150][ T7004] do_new_mount+0x341/0xd30
[ 267.625187][ T7004] ? apparmor_capable+0x126/0x170
[ 267.625226][ T7004] ? __pfx_do_new_mount+0x10/0x10
[ 267.625264][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.625295][ T7004] ? ns_capable+0x89/0xe0
[ 267.625331][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.625364][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.625401][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.625431][ T7004] ? user_path_at+0xd4/0x160
[ 267.625463][ T7004] __se_sys_mount+0x31d/0x420
[ 267.625509][ T7004] ? __pfx___se_sys_mount+0x10/0x10
[ 267.625548][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.625586][ T7004] ? srso_alias_return_thunk+0x5/0xfbef5
[ 267.625616][ T7004] ? __x64_sys_mount+0x20/0xc0
[ 267.625659][ T7004] do_syscall_64+0x14d/0xf80
[ 267.625691][ T7004] ? trace_irq_disable+0x3b/0x150
[ 267.625715][ T7004] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.625747][ T7004] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.625774][ T7004] RIP: 0033:0x7f6dc039da0a
[ 267.625796][ T7004] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 267.625819][ T7004] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.625846][ T7004] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 267.625866][ T7004] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 267.625885][ T7004] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 267.625910][ T7004] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 267.625928][ T7004] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 267.625967][ T7004]
[ 267.626601][ T7004] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.000672][ T7004] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.430460][ T7008] loop1: detected capacity change from 0 to 32768
[ 268.459876][ T7008] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.468042][ T7008] CPU: 1 UID: 0 PID: 7008 Comm: syz.1.154 Not tainted syzkaller #0 PREEMPT(full)
[ 268.468083][ T7008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 268.468100][ T7008] Call Trace:
[ 268.468111][ T7008]
[ 268.468122][ T7008] dump_stack_lvl+0xe8/0x150
[ 268.468165][ T7008] sysfs_create_dir_ns+0x271/0x2a0
[ 268.468205][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.468241][ T7008] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 268.468287][ T7008] ? do_raw_spin_unlock+0xf5/0x210
[ 268.468321][ T7008] kobject_add_internal+0x62b/0xd00
[ 268.468372][ T7008] kobject_init_and_add+0x12b/0x1a0
[ 268.468418][ T7008] ? __pfx_kobject_init_and_add+0x10/0x10
[ 268.468458][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.468489][ T7008] ? __raw_spin_lock_init+0x45/0x100
[ 268.468519][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.468550][ T7008] ? __init_swait_queue_head+0xa9/0x150
[ 268.468583][ T7008] gfs2_sys_fs_add+0x257/0x480
[ 268.468621][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.468652][ T7008] ? is_dynamic_key+0x1ac/0x1c0
[ 268.468684][ T7008] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 268.468721][ T7008] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 268.468754][ T7008] gfs2_fill_super+0x13a7/0x21d0
[ 268.468791][ T7008] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.468813][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.468841][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.468863][ T7008] ? sb_set_blocksize+0x155/0x240
[ 268.468889][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.468911][ T7008] ? setup_bdev_super+0x4c1/0x5b0
[ 268.468937][ T7008] get_tree_bdev_flags+0x431/0x4f0
[ 268.468961][ T7008] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.468984][ T7008] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 268.469005][ T7008] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 268.469028][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.469057][ T7008] gfs2_get_tree+0x51/0x1e0
[ 268.469090][ T7008] vfs_get_tree+0x92/0x2a0
[ 268.469115][ T7008] do_new_mount+0x341/0xd30
[ 268.469142][ T7008] ? apparmor_capable+0x126/0x170
[ 268.469170][ T7008] ? __pfx_do_new_mount+0x10/0x10
[ 268.469198][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.469220][ T7008] ? ns_capable+0x89/0xe0
[ 268.469247][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.469271][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.469299][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.469323][ T7008] ? user_path_at+0xd4/0x160
[ 268.469345][ T7008] __se_sys_mount+0x31d/0x420
[ 268.469379][ T7008] ? __pfx___se_sys_mount+0x10/0x10
[ 268.469407][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.469435][ T7008] ? srso_alias_return_thunk+0x5/0xfbef5
[ 268.469458][ T7008] ? __x64_sys_mount+0x20/0xc0
[ 268.469490][ T7008] do_syscall_64+0x14d/0xf80
[ 268.469524][ T7008] ? trace_irq_disable+0x3b/0x150
[ 268.469547][ T7008] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.469581][ T7008] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.469611][ T7008] RIP: 0033:0x7f6dc039da0a
[ 268.469634][ T7008] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 268.469656][ T7008] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.469683][ T7008] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 268.469704][ T7008] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 268.469723][ T7008] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 268.469742][ T7008] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 268.469761][ T7008] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 268.469800][ T7008]
[ 268.830852][ T7008] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.844863][ T7008] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/31 15:11:14 executed programs: 140
[ 269.272249][ T7012] loop1: detected capacity change from 0 to 32768
[ 269.285681][ T7012] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.293271][ T7012] CPU: 0 UID: 0 PID: 7012 Comm: syz.1.155 Not tainted syzkaller #0 PREEMPT(full)
[ 269.293302][ T7012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 269.293319][ T7012] Call Trace:
[ 269.293330][ T7012]
[ 269.293341][ T7012] dump_stack_lvl+0xe8/0x150
[ 269.293383][ T7012] sysfs_create_dir_ns+0x271/0x2a0
[ 269.293424][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.293458][ T7012] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 269.293501][ T7012] ? do_raw_spin_unlock+0xf5/0x210
[ 269.293536][ T7012] kobject_add_internal+0x62b/0xd00
[ 269.293587][ T7012] kobject_init_and_add+0x12b/0x1a0
[ 269.293638][ T7012] ? __pfx_kobject_init_and_add+0x10/0x10
[ 269.293681][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.293715][ T7012] ? __raw_spin_lock_init+0x45/0x100
[ 269.293747][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.293778][ T7012] ? __init_swait_queue_head+0xa9/0x150
[ 269.293818][ T7012] gfs2_sys_fs_add+0x257/0x480
[ 269.293853][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.293875][ T7012] ? is_dynamic_key+0x1ac/0x1c0
[ 269.293905][ T7012] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 269.293945][ T7012] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 269.293981][ T7012] gfs2_fill_super+0x13a7/0x21d0
[ 269.294019][ T7012] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.294041][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.294074][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.294096][ T7012] ? sb_set_blocksize+0x155/0x240
[ 269.294122][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.294144][ T7012] ? setup_bdev_super+0x4c1/0x5b0
[ 269.294173][ T7012] get_tree_bdev_flags+0x431/0x4f0
[ 269.294197][ T7012] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.294220][ T7012] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 269.294244][ T7012] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 269.294267][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.294296][ T7012] gfs2_get_tree+0x51/0x1e0
[ 269.294322][ T7012] vfs_get_tree+0x92/0x2a0
[ 269.294346][ T7012] do_new_mount+0x341/0xd30
[ 269.294374][ T7012] ? apparmor_capable+0x126/0x170
[ 269.294402][ T7012] ? __pfx_do_new_mount+0x10/0x10
[ 269.294430][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.294455][ T7012] ? ns_capable+0x89/0xe0
[ 269.294483][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.294507][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.294534][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.294557][ T7012] ? user_path_at+0xd4/0x160
[ 269.294579][ T7012] __se_sys_mount+0x31d/0x420
[ 269.294613][ T7012] ? __pfx___se_sys_mount+0x10/0x10
[ 269.294641][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.294669][ T7012] ? srso_alias_return_thunk+0x5/0xfbef5
[ 269.294691][ T7012] ? __x64_sys_mount+0x20/0xc0
[ 269.294723][ T7012] do_syscall_64+0x14d/0xf80
[ 269.294747][ T7012] ? trace_irq_disable+0x3b/0x150
[ 269.294764][ T7012] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.294789][ T7012] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.294808][ T7012] RIP: 0033:0x7f6dc039da0a
[ 269.294826][ T7012] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 269.294842][ T7012] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.294862][ T7012] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 269.294877][ T7012] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 269.294891][ T7012] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 269.294904][ T7012] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 269.294917][ T7012] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 269.294946][ T7012]
[ 269.295095][ T7012] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.670585][ T7012] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.103438][ T7016] loop1: detected capacity change from 0 to 32768
[ 270.130784][ T7016] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.138240][ T7016] CPU: 0 UID: 0 PID: 7016 Comm: syz.1.156 Not tainted syzkaller #0 PREEMPT(full)
[ 270.138277][ T7016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 270.138293][ T7016] Call Trace:
[ 270.138304][ T7016]
[ 270.138316][ T7016] dump_stack_lvl+0xe8/0x150
[ 270.138357][ T7016] sysfs_create_dir_ns+0x271/0x2a0
[ 270.138387][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.138413][ T7016] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 270.138443][ T7016] ? do_raw_spin_unlock+0xf5/0x210
[ 270.138468][ T7016] kobject_add_internal+0x62b/0xd00
[ 270.138506][ T7016] kobject_init_and_add+0x12b/0x1a0
[ 270.138539][ T7016] ? __pfx_kobject_init_and_add+0x10/0x10
[ 270.138568][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.138591][ T7016] ? __raw_spin_lock_init+0x45/0x100
[ 270.138612][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.138635][ T7016] ? __init_swait_queue_head+0xa9/0x150
[ 270.138659][ T7016] gfs2_sys_fs_add+0x257/0x480
[ 270.138687][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.138709][ T7016] ? is_dynamic_key+0x1ac/0x1c0
[ 270.138735][ T7016] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 270.138772][ T7016] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 270.138805][ T7016] gfs2_fill_super+0x13a7/0x21d0
[ 270.138842][ T7016] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.138863][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.138891][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.138913][ T7016] ? sb_set_blocksize+0x155/0x240
[ 270.138939][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.138961][ T7016] ? setup_bdev_super+0x4c1/0x5b0
[ 270.138987][ T7016] get_tree_bdev_flags+0x431/0x4f0
[ 270.139011][ T7016] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.139033][ T7016] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 270.139061][ T7016] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 270.139084][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.139113][ T7016] gfs2_get_tree+0x51/0x1e0
[ 270.139139][ T7016] vfs_get_tree+0x92/0x2a0
[ 270.139163][ T7016] do_new_mount+0x341/0xd30
[ 270.139191][ T7016] ? apparmor_capable+0x126/0x170
[ 270.139219][ T7016] ? __pfx_do_new_mount+0x10/0x10
[ 270.139247][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.139269][ T7016] ? ns_capable+0x89/0xe0
[ 270.139296][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.139322][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.139349][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.139371][ T7016] ? user_path_at+0xd4/0x160
[ 270.139394][ T7016] __se_sys_mount+0x31d/0x420
[ 270.139428][ T7016] ? __pfx___se_sys_mount+0x10/0x10
[ 270.139456][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.139484][ T7016] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.139513][ T7016] ? __x64_sys_mount+0x20/0xc0
[ 270.139556][ T7016] do_syscall_64+0x14d/0xf80
[ 270.139593][ T7016] ? trace_irq_disable+0x3b/0x150
[ 270.139616][ T7016] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.139648][ T7016] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.139674][ T7016] RIP: 0033:0x7f6dc039da0a
[ 270.139697][ T7016] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 270.139720][ T7016] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.139746][ T7016] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 270.139766][ T7016] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 270.139785][ T7016] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 270.139804][ T7016] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 270.139822][ T7016] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 270.139860][ T7016]
[ 270.502825][ T7016] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.516983][ T7016] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.889827][ T7020] loop1: detected capacity change from 0 to 32768
[ 270.916473][ T7020] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.924099][ T7020] CPU: 1 UID: 0 PID: 7020 Comm: syz.1.157 Not tainted syzkaller #0 PREEMPT(full)
[ 270.924132][ T7020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 270.924148][ T7020] Call Trace:
[ 270.924159][ T7020]
[ 270.924170][ T7020] dump_stack_lvl+0xe8/0x150
[ 270.924213][ T7020] sysfs_create_dir_ns+0x271/0x2a0
[ 270.924258][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.924293][ T7020] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 270.924341][ T7020] ? do_raw_spin_unlock+0xf5/0x210
[ 270.924377][ T7020] kobject_add_internal+0x62b/0xd00
[ 270.924429][ T7020] kobject_init_and_add+0x12b/0x1a0
[ 270.924476][ T7020] ? __pfx_kobject_init_and_add+0x10/0x10
[ 270.924517][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.924549][ T7020] ? __raw_spin_lock_init+0x45/0x100
[ 270.924579][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.924610][ T7020] ? __init_swait_queue_head+0xa9/0x150
[ 270.924644][ T7020] gfs2_sys_fs_add+0x257/0x480
[ 270.924682][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.924713][ T7020] ? is_dynamic_key+0x1ac/0x1c0
[ 270.924749][ T7020] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 270.924800][ T7020] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 270.924845][ T7020] gfs2_fill_super+0x13a7/0x21d0
[ 270.924896][ T7020] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.924927][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.924965][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.924996][ T7020] ? sb_set_blocksize+0x155/0x240
[ 270.925032][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.925063][ T7020] ? setup_bdev_super+0x4c1/0x5b0
[ 270.925099][ T7020] get_tree_bdev_flags+0x431/0x4f0
[ 270.925132][ T7020] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.925164][ T7020] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 270.925193][ T7020] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 270.925225][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.925265][ T7020] gfs2_get_tree+0x51/0x1e0
[ 270.925308][ T7020] vfs_get_tree+0x92/0x2a0
[ 270.925342][ T7020] do_new_mount+0x341/0xd30
[ 270.925381][ T7020] ? apparmor_capable+0x126/0x170
[ 270.925420][ T7020] ? __pfx_do_new_mount+0x10/0x10
[ 270.925459][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.925490][ T7020] ? ns_capable+0x89/0xe0
[ 270.925527][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.925561][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.925597][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.925629][ T7020] ? user_path_at+0xd4/0x160
[ 270.925660][ T7020] __se_sys_mount+0x31d/0x420
[ 270.925709][ T7020] ? __pfx___se_sys_mount+0x10/0x10
[ 270.925748][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.925788][ T7020] ? srso_alias_return_thunk+0x5/0xfbef5
[ 270.925818][ T7020] ? __x64_sys_mount+0x20/0xc0
[ 270.925863][ T7020] do_syscall_64+0x14d/0xf80
[ 270.925898][ T7020] ? trace_irq_disable+0x3b/0x150
[ 270.925922][ T7020] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.925956][ T7020] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.925983][ T7020] RIP: 0033:0x7f6dc039da0a
[ 270.926007][ T7020] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 270.926030][ T7020] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.926058][ T7020] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 270.926078][ T7020] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 270.926098][ T7020] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 270.926116][ T7020] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 270.926135][ T7020] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 270.926175][ T7020]
[ 270.926219][ T7020] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.302558][ T7020] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.746638][ T7024] loop1: detected capacity change from 0 to 32768
[ 271.765008][ T7024] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.772620][ T7024] CPU: 0 UID: 0 PID: 7024 Comm: syz.1.158 Not tainted syzkaller #0 PREEMPT(full)
[ 271.772651][ T7024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 271.772668][ T7024] Call Trace:
[ 271.772679][ T7024]
[ 271.772690][ T7024] dump_stack_lvl+0xe8/0x150
[ 271.772733][ T7024] sysfs_create_dir_ns+0x271/0x2a0
[ 271.772774][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.772810][ T7024] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 271.772852][ T7024] ? do_raw_spin_unlock+0xf5/0x210
[ 271.772887][ T7024] kobject_add_internal+0x62b/0xd00
[ 271.772938][ T7024] kobject_init_and_add+0x12b/0x1a0
[ 271.772984][ T7024] ? __pfx_kobject_init_and_add+0x10/0x10
[ 271.773025][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.773066][ T7024] ? __raw_spin_lock_init+0x45/0x100
[ 271.773096][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.773127][ T7024] ? __init_swait_queue_head+0xa9/0x150
[ 271.773159][ T7024] gfs2_sys_fs_add+0x257/0x480
[ 271.773197][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.773228][ T7024] ? is_dynamic_key+0x1ac/0x1c0
[ 271.773264][ T7024] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 271.773315][ T7024] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 271.773360][ T7024] gfs2_fill_super+0x13a7/0x21d0
[ 271.773411][ T7024] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.773441][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.773479][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.773511][ T7024] ? sb_set_blocksize+0x155/0x240
[ 271.773546][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.773577][ T7024] ? setup_bdev_super+0x4c1/0x5b0
[ 271.773613][ T7024] get_tree_bdev_flags+0x431/0x4f0
[ 271.773646][ T7024] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.773677][ T7024] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 271.773705][ T7024] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 271.773737][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.773776][ T7024] gfs2_get_tree+0x51/0x1e0
[ 271.773811][ T7024] vfs_get_tree+0x92/0x2a0
[ 271.773845][ T7024] do_new_mount+0x341/0xd30
[ 271.773885][ T7024] ? apparmor_capable+0x126/0x170
[ 271.773923][ T7024] ? __pfx_do_new_mount+0x10/0x10
[ 271.773963][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.773994][ T7024] ? ns_capable+0x89/0xe0
[ 271.774031][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.774074][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.774111][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.774141][ T7024] ? user_path_at+0xd4/0x160
[ 271.774172][ T7024] __se_sys_mount+0x31d/0x420
[ 271.774220][ T7024] ? __pfx___se_sys_mount+0x10/0x10
[ 271.774258][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.774296][ T7024] ? srso_alias_return_thunk+0x5/0xfbef5
[ 271.774327][ T7024] ? __x64_sys_mount+0x20/0xc0
[ 271.774369][ T7024] do_syscall_64+0x14d/0xf80
[ 271.774404][ T7024] ? trace_irq_disable+0x3b/0x150
[ 271.774427][ T7024] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.774461][ T7024] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.774487][ T7024] RIP: 0033:0x7f6dc039da0a
[ 271.774510][ T7024] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 271.774534][ T7024] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.774562][ T7024] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 271.774582][ T7024] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 271.774603][ T7024] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 271.774622][ T7024] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 271.774640][ T7024] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 271.774680][ T7024]
[ 271.774708][ T7024] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.149353][ T7024] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 272.568989][ T7028] loop1: detected capacity change from 0 to 32768
[ 272.599302][ T7028] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.606872][ T7028] CPU: 0 UID: 0 PID: 7028 Comm: syz.1.159 Not tainted syzkaller #0 PREEMPT(full)
[ 272.606905][ T7028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 272.606921][ T7028] Call Trace:
[ 272.606932][ T7028]
[ 272.606943][ T7028] dump_stack_lvl+0xe8/0x150
[ 272.606984][ T7028] sysfs_create_dir_ns+0x271/0x2a0
[ 272.607024][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.607065][ T7028] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 272.607106][ T7028] ? do_raw_spin_unlock+0xf5/0x210
[ 272.607140][ T7028] kobject_add_internal+0x62b/0xd00
[ 272.607190][ T7028] kobject_init_and_add+0x12b/0x1a0
[ 272.607235][ T7028] ? __pfx_kobject_init_and_add+0x10/0x10
[ 272.607275][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.607305][ T7028] ? __raw_spin_lock_init+0x45/0x100
[ 272.607334][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.607364][ T7028] ? __init_swait_queue_head+0xa9/0x150
[ 272.607396][ T7028] gfs2_sys_fs_add+0x257/0x480
[ 272.607434][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.607465][ T7028] ? is_dynamic_key+0x1ac/0x1c0
[ 272.607500][ T7028] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 272.607549][ T7028] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 272.607593][ T7028] gfs2_fill_super+0x13a7/0x21d0
[ 272.607643][ T7028] ? __pfx_gfs2_fill_super+0x10/0x10
[ 272.607672][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.607708][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.607739][ T7028] ? sb_set_blocksize+0x155/0x240
[ 272.607773][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.607804][ T7028] ? setup_bdev_super+0x4c1/0x5b0
[ 272.607838][ T7028] get_tree_bdev_flags+0x431/0x4f0
[ 272.607871][ T7028] ? __pfx_gfs2_fill_super+0x10/0x10
[ 272.607901][ T7028] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 272.607930][ T7028] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 272.607961][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.608001][ T7028] gfs2_get_tree+0x51/0x1e0
[ 272.608035][ T7028] vfs_get_tree+0x92/0x2a0
[ 272.608074][ T7028] do_new_mount+0x341/0xd30
[ 272.608112][ T7028] ? apparmor_capable+0x126/0x170
[ 272.608150][ T7028] ? __pfx_do_new_mount+0x10/0x10
[ 272.608187][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.608218][ T7028] ? ns_capable+0x89/0xe0
[ 272.608254][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.608287][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.608323][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.608353][ T7028] ? user_path_at+0xd4/0x160
[ 272.608383][ T7028] __se_sys_mount+0x31d/0x420
[ 272.608430][ T7028] ? __pfx___se_sys_mount+0x10/0x10
[ 272.608468][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.608505][ T7028] ? srso_alias_return_thunk+0x5/0xfbef5
[ 272.608536][ T7028] ? __x64_sys_mount+0x20/0xc0
[ 272.608578][ T7028] do_syscall_64+0x14d/0xf80
[ 272.608611][ T7028] ? trace_irq_disable+0x3b/0x150
[ 272.608635][ T7028] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 272.608667][ T7028] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 272.608694][ T7028] RIP: 0033:0x7f6dc039da0a
[ 272.608717][ T7028] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 272.608740][ T7028] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.608767][ T7028] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 272.608787][ T7028] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 272.608806][ T7028] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 272.608824][ T7028] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 272.608842][ T7028] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 272.608881][ T7028]
[ 272.608911][ T7028] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.984344][ T7028] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.417375][ T7032] loop1: detected capacity change from 0 to 32768
[ 273.429865][ T7032] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.438892][ T7032] CPU: 1 UID: 0 PID: 7032 Comm: syz.1.160 Not tainted syzkaller #0 PREEMPT(full)
[ 273.438926][ T7032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 273.438943][ T7032] Call Trace:
[ 273.438954][ T7032]
[ 273.438965][ T7032] dump_stack_lvl+0xe8/0x150
[ 273.439008][ T7032] sysfs_create_dir_ns+0x271/0x2a0
[ 273.439038][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.439065][ T7032] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 273.439095][ T7032] ? do_raw_spin_unlock+0xf5/0x210
[ 273.439121][ T7032] kobject_add_internal+0x62b/0xd00
[ 273.439158][ T7032] kobject_init_and_add+0x12b/0x1a0
[ 273.439191][ T7032] ? __pfx_kobject_init_and_add+0x10/0x10
[ 273.439220][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.439243][ T7032] ? __raw_spin_lock_init+0x45/0x100
[ 273.439265][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.439287][ T7032] ? __init_swait_queue_head+0xa9/0x150
[ 273.439315][ T7032] gfs2_sys_fs_add+0x257/0x480
[ 273.439343][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.439366][ T7032] ? is_dynamic_key+0x1ac/0x1c0
[ 273.439391][ T7032] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 273.439428][ T7032] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 273.439461][ T7032] gfs2_fill_super+0x13a7/0x21d0
[ 273.439503][ T7032] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.439533][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.439572][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.439602][ T7032] ? sb_set_blocksize+0x155/0x240
[ 273.439637][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.439668][ T7032] ? setup_bdev_super+0x4c1/0x5b0
[ 273.439704][ T7032] get_tree_bdev_flags+0x431/0x4f0
[ 273.439737][ T7032] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.439768][ T7032] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 273.439797][ T7032] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 273.439829][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.439869][ T7032] gfs2_get_tree+0x51/0x1e0
[ 273.439904][ T7032] vfs_get_tree+0x92/0x2a0
[ 273.439938][ T7032] do_new_mount+0x341/0xd30
[ 273.439975][ T7032] ? apparmor_capable+0x126/0x170
[ 273.440014][ T7032] ? __pfx_do_new_mount+0x10/0x10
[ 273.440053][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.440085][ T7032] ? ns_capable+0x89/0xe0
[ 273.440124][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.440157][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.440194][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.440225][ T7032] ? user_path_at+0xd4/0x160
[ 273.440252][ T7032] __se_sys_mount+0x31d/0x420
[ 273.440294][ T7032] ? __pfx___se_sys_mount+0x10/0x10
[ 273.440333][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.440366][ T7032] ? srso_alias_return_thunk+0x5/0xfbef5
[ 273.440394][ T7032] ? __x64_sys_mount+0x20/0xc0
[ 273.440431][ T7032] do_syscall_64+0x14d/0xf80
[ 273.440461][ T7032] ? trace_irq_disable+0x3b/0x150
[ 273.440482][ T7032] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.440512][ T7032] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.440535][ T7032] RIP: 0033:0x7f6dc039da0a
[ 273.440556][ T7032] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 273.440576][ T7032] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.440600][ T7032] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 273.440617][ T7032] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 273.440634][ T7032] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 273.440651][ T7032] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 273.440666][ T7032] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 273.440701][ T7032]
[ 273.799337][ T7032] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.813549][ T7032] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.239381][ T7036] loop1: detected capacity change from 0 to 32768
[ 274.271069][ T7036] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.279823][ T7036] CPU: 1 UID: 0 PID: 7036 Comm: syz.1.161 Not tainted syzkaller #0 PREEMPT(full)
[ 274.279857][ T7036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 274.279875][ T7036] Call Trace:
[ 274.279885][ T7036]
[ 274.279897][ T7036] dump_stack_lvl+0xe8/0x150
[ 274.279941][ T7036] sysfs_create_dir_ns+0x271/0x2a0
[ 274.279983][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.280018][ T7036] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 274.280059][ T7036] ? do_raw_spin_unlock+0xf5/0x210
[ 274.280095][ T7036] kobject_add_internal+0x62b/0xd00
[ 274.280147][ T7036] kobject_init_and_add+0x12b/0x1a0
[ 274.280193][ T7036] ? __pfx_kobject_init_and_add+0x10/0x10
[ 274.280234][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.280265][ T7036] ? __raw_spin_lock_init+0x45/0x100
[ 274.280296][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.280333][ T7036] ? __init_swait_queue_head+0xa9/0x150
[ 274.280366][ T7036] gfs2_sys_fs_add+0x257/0x480
[ 274.280407][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.280438][ T7036] ? is_dynamic_key+0x1ac/0x1c0
[ 274.280474][ T7036] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 274.280525][ T7036] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 274.280570][ T7036] gfs2_fill_super+0x13a7/0x21d0
[ 274.280621][ T7036] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.280651][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.280688][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.280719][ T7036] ? sb_set_blocksize+0x155/0x240
[ 274.280755][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.280786][ T7036] ? setup_bdev_super+0x4c1/0x5b0
[ 274.280822][ T7036] get_tree_bdev_flags+0x431/0x4f0
[ 274.280855][ T7036] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.280887][ T7036] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 274.280916][ T7036] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 274.280947][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.280988][ T7036] gfs2_get_tree+0x51/0x1e0
[ 274.281024][ T7036] vfs_get_tree+0x92/0x2a0
[ 274.281058][ T7036] do_new_mount+0x341/0xd30
[ 274.281097][ T7036] ? apparmor_capable+0x126/0x170
[ 274.281136][ T7036] ? __pfx_do_new_mount+0x10/0x10
[ 274.281174][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.281205][ T7036] ? ns_capable+0x89/0xe0
[ 274.281243][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.281277][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.281323][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.281354][ T7036] ? user_path_at+0xd4/0x160
[ 274.281386][ T7036] __se_sys_mount+0x31d/0x420
[ 274.281434][ T7036] ? __pfx___se_sys_mount+0x10/0x10
[ 274.281473][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.281512][ T7036] ? srso_alias_return_thunk+0x5/0xfbef5
[ 274.281544][ T7036] ? __x64_sys_mount+0x20/0xc0
[ 274.281587][ T7036] do_syscall_64+0x14d/0xf80
[ 274.281622][ T7036] ? trace_irq_disable+0x3b/0x150
[ 274.281646][ T7036] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.281680][ T7036] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.281707][ T7036] RIP: 0033:0x7f6dc039da0a
[ 274.281731][ T7036] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 274.281754][ T7036] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.281781][ T7036] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 274.281802][ T7036] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 274.281822][ T7036] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 274.281841][ T7036] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 274.281860][ T7036] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 274.281900][ T7036]
[ 274.281931][ T7036] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.658433][ T7036] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/31 15:11:20 executed programs: 147
[ 275.083046][ T7040] loop1: detected capacity change from 0 to 32768
[ 275.097548][ T7040] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.109626][ T7040] CPU: 0 UID: 0 PID: 7040 Comm: syz.1.162 Not tainted syzkaller #0 PREEMPT(full)
[ 275.109658][ T7040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 275.109675][ T7040] Call Trace:
[ 275.109685][ T7040]
[ 275.109697][ T7040] dump_stack_lvl+0xe8/0x150
[ 275.109739][ T7040] sysfs_create_dir_ns+0x271/0x2a0
[ 275.109779][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.109813][ T7040] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 275.109855][ T7040] ? do_raw_spin_unlock+0xf5/0x210
[ 275.109888][ T7040] kobject_add_internal+0x62b/0xd00
[ 275.109940][ T7040] kobject_init_and_add+0x12b/0x1a0
[ 275.109986][ T7040] ? __pfx_kobject_init_and_add+0x10/0x10
[ 275.110026][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110068][ T7040] ? __raw_spin_lock_init+0x45/0x100
[ 275.110099][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110130][ T7040] ? __init_swait_queue_head+0xa9/0x150
[ 275.110162][ T7040] gfs2_sys_fs_add+0x257/0x480
[ 275.110200][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110231][ T7040] ? is_dynamic_key+0x1ac/0x1c0
[ 275.110267][ T7040] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 275.110316][ T7040] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 275.110362][ T7040] gfs2_fill_super+0x13a7/0x21d0
[ 275.110412][ T7040] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.110447][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110482][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110513][ T7040] ? sb_set_blocksize+0x155/0x240
[ 275.110546][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110577][ T7040] ? setup_bdev_super+0x4c1/0x5b0
[ 275.110613][ T7040] get_tree_bdev_flags+0x431/0x4f0
[ 275.110639][ T7040] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.110662][ T7040] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 275.110683][ T7040] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 275.110706][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110735][ T7040] gfs2_get_tree+0x51/0x1e0
[ 275.110761][ T7040] vfs_get_tree+0x92/0x2a0
[ 275.110786][ T7040] do_new_mount+0x341/0xd30
[ 275.110813][ T7040] ? apparmor_capable+0x126/0x170
[ 275.110841][ T7040] ? __pfx_do_new_mount+0x10/0x10
[ 275.110869][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110891][ T7040] ? ns_capable+0x89/0xe0
[ 275.110918][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110942][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110969][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.110991][ T7040] ? user_path_at+0xd4/0x160
[ 275.111014][ T7040] __se_sys_mount+0x31d/0x420
[ 275.111048][ T7040] ? __pfx___se_sys_mount+0x10/0x10
[ 275.111081][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.111109][ T7040] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.111131][ T7040] ? __x64_sys_mount+0x20/0xc0
[ 275.111162][ T7040] do_syscall_64+0x14d/0xf80
[ 275.111187][ T7040] ? trace_irq_disable+0x3b/0x150
[ 275.111204][ T7040] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.111228][ T7040] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.111248][ T7040] RIP: 0033:0x7f6dc039da0a
[ 275.111266][ T7040] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 275.111282][ T7040] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.111301][ T7040] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 275.111316][ T7040] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 275.111330][ T7040] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 275.111344][ T7040] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 275.111357][ T7040] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 275.111386][ T7040]
[ 275.111648][ T7040] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.491494][ T7040] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.928165][ T7044] loop1: detected capacity change from 0 to 32768
[ 275.947913][ T7044] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.955633][ T7044] CPU: 0 UID: 0 PID: 7044 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full)
[ 275.955666][ T7044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 275.955682][ T7044] Call Trace:
[ 275.955693][ T7044]
[ 275.955704][ T7044] dump_stack_lvl+0xe8/0x150
[ 275.955746][ T7044] sysfs_create_dir_ns+0x271/0x2a0
[ 275.955786][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.955820][ T7044] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 275.955861][ T7044] ? do_raw_spin_unlock+0xf5/0x210
[ 275.955895][ T7044] kobject_add_internal+0x62b/0xd00
[ 275.955945][ T7044] kobject_init_and_add+0x12b/0x1a0
[ 275.955990][ T7044] ? __pfx_kobject_init_and_add+0x10/0x10
[ 275.956030][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.956068][ T7044] ? __raw_spin_lock_init+0x45/0x100
[ 275.956098][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.956128][ T7044] ? __init_swait_queue_head+0xa9/0x150
[ 275.956160][ T7044] gfs2_sys_fs_add+0x257/0x480
[ 275.956198][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.956228][ T7044] ? is_dynamic_key+0x1ac/0x1c0
[ 275.956263][ T7044] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 275.956312][ T7044] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 275.956356][ T7044] gfs2_fill_super+0x13a7/0x21d0
[ 275.956406][ T7044] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.956435][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.956472][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.956502][ T7044] ? sb_set_blocksize+0x155/0x240
[ 275.956537][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.956567][ T7044] ? setup_bdev_super+0x4c1/0x5b0
[ 275.956603][ T7044] get_tree_bdev_flags+0x431/0x4f0
[ 275.956635][ T7044] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.956665][ T7044] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 275.956694][ T7044] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 275.956725][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.956764][ T7044] gfs2_get_tree+0x51/0x1e0
[ 275.956798][ T7044] vfs_get_tree+0x92/0x2a0
[ 275.956832][ T7044] do_new_mount+0x341/0xd30
[ 275.956869][ T7044] ? apparmor_capable+0x126/0x170
[ 275.956907][ T7044] ? __pfx_do_new_mount+0x10/0x10
[ 275.956944][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.956974][ T7044] ? ns_capable+0x89/0xe0
[ 275.957009][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.957041][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.957086][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.957115][ T7044] ? user_path_at+0xd4/0x160
[ 275.957146][ T7044] __se_sys_mount+0x31d/0x420
[ 275.957192][ T7044] ? __pfx___se_sys_mount+0x10/0x10
[ 275.957229][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.957267][ T7044] ? srso_alias_return_thunk+0x5/0xfbef5
[ 275.957297][ T7044] ? __x64_sys_mount+0x20/0xc0
[ 275.957339][ T7044] do_syscall_64+0x14d/0xf80
[ 275.957372][ T7044] ? trace_irq_disable+0x3b/0x150
[ 275.957395][ T7044] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.957427][ T7044] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.957453][ T7044] RIP: 0033:0x7f6dc039da0a
[ 275.957477][ T7044] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 275.957503][ T7044] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.957531][ T7044] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 275.957550][ T7044] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 275.957568][ T7044] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 275.957587][ T7044] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 275.957605][ T7044] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 275.957644][ T7044]
[ 275.957838][ 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.
[ 276.333218][ T7044] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.779277][ T7048] loop1: detected capacity change from 0 to 32768
[ 276.800974][ T7048] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.808380][ T7048] CPU: 1 UID: 0 PID: 7048 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full)
[ 276.808402][ T7048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 276.808415][ T7048] Call Trace:
[ 276.808423][ T7048]
[ 276.808431][ T7048] dump_stack_lvl+0xe8/0x150
[ 276.808463][ T7048] sysfs_create_dir_ns+0x271/0x2a0
[ 276.808492][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.808518][ T7048] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 276.808548][ T7048] ? do_raw_spin_unlock+0xf5/0x210
[ 276.808573][ T7048] kobject_add_internal+0x62b/0xd00
[ 276.808611][ T7048] kobject_init_and_add+0x12b/0x1a0
[ 276.808644][ T7048] ? __pfx_kobject_init_and_add+0x10/0x10
[ 276.808674][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.808696][ T7048] ? __raw_spin_lock_init+0x45/0x100
[ 276.808718][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.808740][ T7048] ? __init_swait_queue_head+0xa9/0x150
[ 276.808765][ T7048] gfs2_sys_fs_add+0x257/0x480
[ 276.808793][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.808815][ T7048] ? is_dynamic_key+0x1ac/0x1c0
[ 276.808841][ T7048] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 276.808878][ T7048] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 276.808911][ T7048] gfs2_fill_super+0x13a7/0x21d0
[ 276.808948][ T7048] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.808970][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.808997][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.809019][ T7048] ? sb_set_blocksize+0x155/0x240
[ 276.809045][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.809068][ T7048] ? setup_bdev_super+0x4c1/0x5b0
[ 276.809094][ T7048] get_tree_bdev_flags+0x431/0x4f0
[ 276.809117][ T7048] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.809140][ T7048] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 276.809161][ T7048] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 276.809184][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.809213][ T7048] gfs2_get_tree+0x51/0x1e0
[ 276.809239][ T7048] vfs_get_tree+0x92/0x2a0
[ 276.809264][ T7048] do_new_mount+0x341/0xd30
[ 276.809291][ T7048] ? apparmor_capable+0x126/0x170
[ 276.809324][ T7048] ? __pfx_do_new_mount+0x10/0x10
[ 276.809352][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.809374][ T7048] ? ns_capable+0x89/0xe0
[ 276.809401][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.809425][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.809452][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.809475][ T7048] ? user_path_at+0xd4/0x160
[ 276.809502][ T7048] __se_sys_mount+0x31d/0x420
[ 276.809549][ T7048] ? __pfx___se_sys_mount+0x10/0x10
[ 276.809588][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.809627][ T7048] ? srso_alias_return_thunk+0x5/0xfbef5
[ 276.809658][ T7048] ? __x64_sys_mount+0x20/0xc0
[ 276.809702][ T7048] do_syscall_64+0x14d/0xf80
[ 276.809736][ T7048] ? trace_irq_disable+0x3b/0x150
[ 276.809759][ T7048] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.809793][ T7048] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.809819][ T7048] RIP: 0033:0x7f6dc039da0a
[ 276.809843][ T7048] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 276.809866][ T7048] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.809893][ T7048] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 276.809912][ T7048] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 276.809932][ T7048] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 276.809951][ T7048] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 276.809968][ T7048] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 276.810008][ T7048]
[ 277.171194][ 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.
[ 277.187429][ T7048] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.500966][ T5139] Bluetooth: hci1: command 0x0406 tx timeout
[ 277.638118][ T7052] loop1: detected capacity change from 0 to 32768
[ 277.661595][ T7052] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.668996][ T7052] CPU: 1 UID: 0 PID: 7052 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full)
[ 277.669020][ T7052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 277.669032][ T7052] Call Trace:
[ 277.669041][ T7052]
[ 277.669049][ T7052] dump_stack_lvl+0xe8/0x150
[ 277.669081][ T7052] sysfs_create_dir_ns+0x271/0x2a0
[ 277.669110][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.669136][ T7052] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 277.669166][ T7052] ? do_raw_spin_unlock+0xf5/0x210
[ 277.669192][ T7052] kobject_add_internal+0x62b/0xd00
[ 277.669229][ T7052] kobject_init_and_add+0x12b/0x1a0
[ 277.669263][ T7052] ? __pfx_kobject_init_and_add+0x10/0x10
[ 277.669292][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.669319][ T7052] ? __raw_spin_lock_init+0x45/0x100
[ 277.669340][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.669363][ T7052] ? __init_swait_queue_head+0xa9/0x150
[ 277.669387][ T7052] gfs2_sys_fs_add+0x257/0x480
[ 277.669415][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.669437][ T7052] ? is_dynamic_key+0x1ac/0x1c0
[ 277.669463][ T7052] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 277.669505][ T7052] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 277.669548][ T7052] gfs2_fill_super+0x13a7/0x21d0
[ 277.669600][ T7052] ? __pfx_gfs2_fill_super+0x10/0x10
[ 277.669632][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.669669][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.669700][ T7052] ? sb_set_blocksize+0x155/0x240
[ 277.669729][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.669752][ T7052] ? setup_bdev_super+0x4c1/0x5b0
[ 277.669778][ T7052] get_tree_bdev_flags+0x431/0x4f0
[ 277.669802][ T7052] ? __pfx_gfs2_fill_super+0x10/0x10
[ 277.669824][ T7052] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 277.669846][ T7052] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 277.669869][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.669898][ T7052] gfs2_get_tree+0x51/0x1e0
[ 277.669923][ T7052] vfs_get_tree+0x92/0x2a0
[ 277.669948][ T7052] do_new_mount+0x341/0xd30
[ 277.669976][ T7052] ? apparmor_capable+0x126/0x170
[ 277.670004][ T7052] ? __pfx_do_new_mount+0x10/0x10
[ 277.670032][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.670054][ T7052] ? ns_capable+0x89/0xe0
[ 277.670081][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.670105][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.670132][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.670155][ T7052] ? user_path_at+0xd4/0x160
[ 277.670177][ T7052] __se_sys_mount+0x31d/0x420
[ 277.670211][ T7052] ? __pfx___se_sys_mount+0x10/0x10
[ 277.670239][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.670267][ T7052] ? srso_alias_return_thunk+0x5/0xfbef5
[ 277.670289][ T7052] ? __x64_sys_mount+0x20/0xc0
[ 277.670327][ T7052] do_syscall_64+0x14d/0xf80
[ 277.670351][ T7052] ? trace_irq_disable+0x3b/0x150
[ 277.670369][ T7052] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 277.670393][ T7052] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 277.670413][ T7052] RIP: 0033:0x7f6dc039da0a
[ 277.670431][ T7052] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 277.670448][ T7052] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.670468][ T7052] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 277.670482][ T7052] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 277.670496][ T7052] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 277.670509][ T7052] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 277.670527][ T7052] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 277.670556][ T7052]
[ 278.029454][ 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.
[ 278.043390][ T7052] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.477673][ T7056] loop1: detected capacity change from 0 to 32768
[ 278.499220][ T7056] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.507912][ T7056] CPU: 1 UID: 0 PID: 7056 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full)
[ 278.507943][ T7056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 278.507961][ T7056] Call Trace:
[ 278.507971][ T7056]
[ 278.507982][ T7056] dump_stack_lvl+0xe8/0x150
[ 278.508024][ T7056] sysfs_create_dir_ns+0x271/0x2a0
[ 278.508075][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.508110][ T7056] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 278.508151][ T7056] ? do_raw_spin_unlock+0xf5/0x210
[ 278.508186][ T7056] kobject_add_internal+0x62b/0xd00
[ 278.508237][ T7056] kobject_init_and_add+0x12b/0x1a0
[ 278.508283][ T7056] ? __pfx_kobject_init_and_add+0x10/0x10
[ 278.508323][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.508355][ T7056] ? __raw_spin_lock_init+0x45/0x100
[ 278.508384][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.508415][ T7056] ? __init_swait_queue_head+0xa9/0x150
[ 278.508448][ T7056] gfs2_sys_fs_add+0x257/0x480
[ 278.508486][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.508517][ T7056] ? is_dynamic_key+0x1ac/0x1c0
[ 278.508552][ T7056] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 278.508603][ T7056] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 278.508649][ T7056] gfs2_fill_super+0x13a7/0x21d0
[ 278.508700][ T7056] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.508730][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.508767][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.508799][ T7056] ? sb_set_blocksize+0x155/0x240
[ 278.508834][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.508866][ T7056] ? setup_bdev_super+0x4c1/0x5b0
[ 278.508901][ T7056] get_tree_bdev_flags+0x431/0x4f0
[ 278.508933][ T7056] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.508965][ T7056] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.508995][ T7056] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.509026][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.509078][ T7056] gfs2_get_tree+0x51/0x1e0
[ 278.509112][ T7056] vfs_get_tree+0x92/0x2a0
[ 278.509146][ T7056] do_new_mount+0x341/0xd30
[ 278.509184][ T7056] ? apparmor_capable+0x126/0x170
[ 278.509223][ T7056] ? __pfx_do_new_mount+0x10/0x10
[ 278.509263][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.509294][ T7056] ? ns_capable+0x89/0xe0
[ 278.509331][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.509365][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.509402][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.509433][ T7056] ? user_path_at+0xd4/0x160
[ 278.509464][ T7056] __se_sys_mount+0x31d/0x420
[ 278.509516][ T7056] ? __pfx___se_sys_mount+0x10/0x10
[ 278.509556][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.509598][ T7056] ? srso_alias_return_thunk+0x5/0xfbef5
[ 278.509629][ T7056] ? __x64_sys_mount+0x20/0xc0
[ 278.509673][ T7056] do_syscall_64+0x14d/0xf80
[ 278.509707][ T7056] ? trace_irq_disable+0x3b/0x150
[ 278.509731][ T7056] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.509764][ T7056] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.509790][ T7056] RIP: 0033:0x7f6dc039da0a
[ 278.509814][ T7056] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 278.509837][ T7056] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.509864][ T7056] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 278.509884][ T7056] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 278.509904][ T7056] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 278.509923][ T7056] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 278.509941][ T7056] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 278.509981][ T7056]
[ 278.879663][ 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.
[ 278.900414][ T7056] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.327029][ T7060] loop1: detected capacity change from 0 to 32768
[ 279.350506][ T7060] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.358103][ T7060] CPU: 1 UID: 0 PID: 7060 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full)
[ 279.358134][ T7060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 279.358151][ T7060] Call Trace:
[ 279.358162][ T7060]
[ 279.358173][ T7060] dump_stack_lvl+0xe8/0x150
[ 279.358217][ T7060] sysfs_create_dir_ns+0x271/0x2a0
[ 279.358258][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.358293][ T7060] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 279.358343][ T7060] ? do_raw_spin_unlock+0xf5/0x210
[ 279.358378][ T7060] kobject_add_internal+0x62b/0xd00
[ 279.358430][ T7060] kobject_init_and_add+0x12b/0x1a0
[ 279.358477][ T7060] ? __pfx_kobject_init_and_add+0x10/0x10
[ 279.358518][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.358550][ T7060] ? __raw_spin_lock_init+0x45/0x100
[ 279.358580][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.358612][ T7060] ? __init_swait_queue_head+0xa9/0x150
[ 279.358646][ T7060] gfs2_sys_fs_add+0x257/0x480
[ 279.358684][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.358715][ T7060] ? is_dynamic_key+0x1ac/0x1c0
[ 279.358751][ T7060] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 279.358801][ T7060] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 279.358846][ T7060] gfs2_fill_super+0x13a7/0x21d0
[ 279.358898][ T7060] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.358929][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.358967][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.358997][ T7060] ? sb_set_blocksize+0x155/0x240
[ 279.359035][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.359065][ T7060] ? setup_bdev_super+0x4c1/0x5b0
[ 279.359102][ T7060] get_tree_bdev_flags+0x431/0x4f0
[ 279.359134][ T7060] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.359165][ T7060] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 279.359194][ T7060] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 279.359226][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.359266][ T7060] gfs2_get_tree+0x51/0x1e0
[ 279.359301][ T7060] vfs_get_tree+0x92/0x2a0
[ 279.359343][ T7060] do_new_mount+0x341/0xd30
[ 279.359381][ T7060] ? apparmor_capable+0x126/0x170
[ 279.359420][ T7060] ? __pfx_do_new_mount+0x10/0x10
[ 279.359459][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.359490][ T7060] ? ns_capable+0x89/0xe0
[ 279.359532][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.359566][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.359605][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.359635][ T7060] ? user_path_at+0xd4/0x160
[ 279.359666][ T7060] __se_sys_mount+0x31d/0x420
[ 279.359714][ T7060] ? __pfx___se_sys_mount+0x10/0x10
[ 279.359753][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.359793][ T7060] ? srso_alias_return_thunk+0x5/0xfbef5
[ 279.359825][ T7060] ? __x64_sys_mount+0x20/0xc0
[ 279.359868][ T7060] do_syscall_64+0x14d/0xf80
[ 279.359904][ T7060] ? trace_irq_disable+0x3b/0x150
[ 279.359927][ T7060] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.359961][ T7060] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.359988][ T7060] RIP: 0033:0x7f6dc039da0a
[ 279.360013][ T7060] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 279.360036][ T7060] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.360063][ T7060] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 279.360084][ T7060] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 279.360104][ T7060] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 279.360123][ T7060] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 279.360142][ T7060] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 279.360182][ T7060]
[ 279.720081][ T7060] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.734357][ T7060] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/03/31 15:11:25 executed programs: 153
[ 280.167423][ T7064] loop1: detected capacity change from 0 to 32768
[ 280.187034][ T7064] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.199640][ T7064] CPU: 1 UID: 0 PID: 7064 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full)
[ 280.199675][ T7064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 280.199692][ T7064] Call Trace:
[ 280.199702][ T7064]
[ 280.199713][ T7064] dump_stack_lvl+0xe8/0x150
[ 280.199757][ T7064] sysfs_create_dir_ns+0x271/0x2a0
[ 280.199797][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.199832][ T7064] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 280.199873][ T7064] ? do_raw_spin_unlock+0xf5/0x210
[ 280.199908][ T7064] kobject_add_internal+0x62b/0xd00
[ 280.199959][ T7064] kobject_init_and_add+0x12b/0x1a0
[ 280.200006][ T7064] ? __pfx_kobject_init_and_add+0x10/0x10
[ 280.200046][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200090][ T7064] ? __raw_spin_lock_init+0x45/0x100
[ 280.200117][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200143][ T7064] ? __init_swait_queue_head+0xa9/0x150
[ 280.200168][ T7064] gfs2_sys_fs_add+0x257/0x480
[ 280.200198][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200220][ T7064] ? is_dynamic_key+0x1ac/0x1c0
[ 280.200246][ T7064] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 280.200283][ T7064] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 280.200317][ T7064] gfs2_fill_super+0x13a7/0x21d0
[ 280.200357][ T7064] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.200380][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200407][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200429][ T7064] ? sb_set_blocksize+0x155/0x240
[ 280.200455][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200477][ T7064] ? setup_bdev_super+0x4c1/0x5b0
[ 280.200503][ T7064] get_tree_bdev_flags+0x431/0x4f0
[ 280.200527][ T7064] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.200551][ T7064] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 280.200575][ T7064] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 280.200598][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200629][ T7064] gfs2_get_tree+0x51/0x1e0
[ 280.200655][ T7064] vfs_get_tree+0x92/0x2a0
[ 280.200685][ T7064] do_new_mount+0x341/0xd30
[ 280.200713][ T7064] ? apparmor_capable+0x126/0x170
[ 280.200741][ T7064] ? __pfx_do_new_mount+0x10/0x10
[ 280.200769][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200791][ T7064] ? ns_capable+0x89/0xe0
[ 280.200819][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200846][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200873][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.200896][ T7064] ? user_path_at+0xd4/0x160
[ 280.200919][ T7064] __se_sys_mount+0x31d/0x420
[ 280.200953][ T7064] ? __pfx___se_sys_mount+0x10/0x10
[ 280.200981][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.201009][ T7064] ? srso_alias_return_thunk+0x5/0xfbef5
[ 280.201032][ T7064] ? __x64_sys_mount+0x20/0xc0
[ 280.201075][ T7064] do_syscall_64+0x14d/0xf80
[ 280.201100][ T7064] ? trace_irq_disable+0x3b/0x150
[ 280.201120][ T7064] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.201145][ T7064] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.201165][ T7064] RIP: 0033:0x7f6dc039da0a
[ 280.201184][ T7064] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 280.201201][ T7064] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.201221][ T7064] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 280.201236][ T7064] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 280.201250][ T7064] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 280.201263][ T7064] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 280.201276][ T7064] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 280.201306][ T7064]
[ 280.201334][ T7064] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.581792][ T7064] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.010521][ T7068] loop1: detected capacity change from 0 to 32768
[ 281.043106][ T7068] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.050786][ T7068] CPU: 0 UID: 0 PID: 7068 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full)
[ 281.050818][ T7068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 281.050835][ T7068] Call Trace:
[ 281.050846][ T7068]
[ 281.050857][ T7068] dump_stack_lvl+0xe8/0x150
[ 281.050899][ T7068] sysfs_create_dir_ns+0x271/0x2a0
[ 281.050939][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.050973][ T7068] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.051014][ T7068] ? do_raw_spin_unlock+0xf5/0x210
[ 281.051049][ T7068] kobject_add_internal+0x62b/0xd00
[ 281.051100][ T7068] kobject_init_and_add+0x12b/0x1a0
[ 281.051146][ T7068] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.051186][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.051217][ T7068] ? __raw_spin_lock_init+0x45/0x100
[ 281.051246][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.051276][ T7068] ? __init_swait_queue_head+0xa9/0x150
[ 281.051309][ T7068] gfs2_sys_fs_add+0x257/0x480
[ 281.051352][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.051383][ T7068] ? is_dynamic_key+0x1ac/0x1c0
[ 281.051418][ T7068] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.051468][ T7068] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.051513][ T7068] gfs2_fill_super+0x13a7/0x21d0
[ 281.051563][ T7068] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.051593][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.051630][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.051661][ T7068] ? sb_set_blocksize+0x155/0x240
[ 281.051697][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.051728][ T7068] ? setup_bdev_super+0x4c1/0x5b0
[ 281.051764][ T7068] get_tree_bdev_flags+0x431/0x4f0
[ 281.051797][ T7068] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.051829][ T7068] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.051860][ T7068] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 281.051892][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.051932][ T7068] gfs2_get_tree+0x51/0x1e0
[ 281.051968][ T7068] vfs_get_tree+0x92/0x2a0
[ 281.052003][ T7068] do_new_mount+0x341/0xd30
[ 281.052041][ T7068] ? apparmor_capable+0x126/0x170
[ 281.052079][ T7068] ? __pfx_do_new_mount+0x10/0x10
[ 281.052119][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.052150][ T7068] ? ns_capable+0x89/0xe0
[ 281.052188][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.052222][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.052259][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.052289][ T7068] ? user_path_at+0xd4/0x160
[ 281.052328][ T7068] __se_sys_mount+0x31d/0x420
[ 281.052377][ T7068] ? __pfx___se_sys_mount+0x10/0x10
[ 281.052416][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.052456][ T7068] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.052487][ T7068] ? __x64_sys_mount+0x20/0xc0
[ 281.052531][ T7068] do_syscall_64+0x14d/0xf80
[ 281.052566][ T7068] ? trace_irq_disable+0x3b/0x150
[ 281.052589][ T7068] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.052624][ T7068] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.052651][ T7068] RIP: 0033:0x7f6dc039da0a
[ 281.052676][ T7068] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 281.052699][ T7068] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.052727][ T7068] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 281.052748][ T7068] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 281.052768][ T7068] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 281.052787][ T7068] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 281.052804][ T7068] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 281.052844][ T7068]
[ 281.052873][ T7068] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.430785][ T7068] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.858809][ T7072] loop1: detected capacity change from 0 to 32768
[ 281.877994][ T7072] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.885908][ T7072] CPU: 1 UID: 0 PID: 7072 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full)
[ 281.885940][ T7072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 281.885956][ T7072] Call Trace:
[ 281.885966][ T7072]
[ 281.885977][ T7072] dump_stack_lvl+0xe8/0x150
[ 281.886019][ T7072] sysfs_create_dir_ns+0x271/0x2a0
[ 281.886060][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.886095][ T7072] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.886138][ T7072] ? do_raw_spin_unlock+0xf5/0x210
[ 281.886172][ T7072] kobject_add_internal+0x62b/0xd00
[ 281.886223][ T7072] kobject_init_and_add+0x12b/0x1a0
[ 281.886269][ T7072] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.886318][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.886349][ T7072] ? __raw_spin_lock_init+0x45/0x100
[ 281.886379][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.886411][ T7072] ? __init_swait_queue_head+0xa9/0x150
[ 281.886444][ T7072] gfs2_sys_fs_add+0x257/0x480
[ 281.886484][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.886516][ T7072] ? is_dynamic_key+0x1ac/0x1c0
[ 281.886552][ T7072] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.886604][ T7072] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.886649][ T7072] gfs2_fill_super+0x13a7/0x21d0
[ 281.886701][ T7072] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.886731][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.886769][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.886801][ T7072] ? sb_set_blocksize+0x155/0x240
[ 281.886836][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.886867][ T7072] ? setup_bdev_super+0x4c1/0x5b0
[ 281.886902][ T7072] get_tree_bdev_flags+0x431/0x4f0
[ 281.886934][ T7072] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.886966][ T7072] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.886996][ T7072] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 281.887029][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.887068][ T7072] gfs2_get_tree+0x51/0x1e0
[ 281.887105][ T7072] vfs_get_tree+0x92/0x2a0
[ 281.887140][ T7072] do_new_mount+0x341/0xd30
[ 281.887179][ T7072] ? apparmor_capable+0x126/0x170
[ 281.887218][ T7072] ? __pfx_do_new_mount+0x10/0x10
[ 281.887258][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.887289][ T7072] ? ns_capable+0x89/0xe0
[ 281.887334][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.887369][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.887407][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.887437][ T7072] ? user_path_at+0xd4/0x160
[ 281.887468][ T7072] __se_sys_mount+0x31d/0x420
[ 281.887516][ T7072] ? __pfx___se_sys_mount+0x10/0x10
[ 281.887554][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.887594][ T7072] ? srso_alias_return_thunk+0x5/0xfbef5
[ 281.887625][ T7072] ? __x64_sys_mount+0x20/0xc0
[ 281.887669][ T7072] do_syscall_64+0x14d/0xf80
[ 281.887704][ T7072] ? trace_irq_disable+0x3b/0x150
[ 281.887729][ T7072] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.887763][ T7072] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.887791][ T7072] RIP: 0033:0x7f6dc039da0a
[ 281.887816][ T7072] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 281.887839][ T7072] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.887866][ T7072] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 281.887887][ T7072] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 281.887907][ T7072] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 281.887927][ T7072] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 281.887945][ T7072] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 281.887984][ T7072]
[ 281.888012][ T7072] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.264977][ T7072] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.460793][ T31] INFO: task syz.0.17:6394 blocked for more than 143 seconds.
[ 282.469314][ T31] Not tainted syzkaller #0
[ 282.474772][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 282.483832][ T31] task:syz.0.17 state:D stack:26656 pid:6394 tgid:6394 ppid:6308 task_flags:0x400040 flags:0x00080002
[ 282.495922][ T31] Call Trace:
[ 282.499216][ T31]
[ 282.502263][ T31] __schedule+0x15dd/0x52d0
[ 282.506895][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.513673][ T31] ? __lock_acquire+0x146e/0x2cf0
[ 282.518820][ T31] ? __pfx___schedule+0x10/0x10
[ 282.523829][ T31] ? schedule+0x90/0x360
[ 282.528102][ T31] schedule+0x164/0x360
[ 282.532395][ T31] io_schedule+0x7f/0xd0
[ 282.536673][ T31] folio_wait_bit_common+0x6d8/0xbc0
[ 282.543410][ T31] ? __pfx_folio_wait_bit_common+0x10/0x10
[ 282.549243][ T31] ? __pfx_wake_page_function+0x10/0x10
[ 282.554901][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.560648][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.566388][ T31] ? writeback_iter+0x853/0x12c0
[ 282.571845][ T31] writeback_iter+0x8d8/0x12c0
[ 282.576740][ T31] iomap_writepages+0x152/0x2e0
[ 282.581725][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.587452][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.593480][ T31] ? __pfx_iomap_writepages+0x10/0x10
[ 282.599239][ T31] gfs2_writepages+0x197/0x280
[ 282.604137][ T31] ? __pfx_gfs2_writepages+0x10/0x10
[ 282.609589][ T31] ? __pfx_gfs2_writepages+0x10/0x10
[ 282.614898][ T31] do_writepages+0x32e/0x550
[ 282.626385][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.632157][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.637814][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.643618][ T31] ? do_raw_spin_unlock+0xf5/0x210
[ 282.648752][ T31] filemap_fdatawrite+0x1e9/0x2f0
[ 282.654984][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.660731][ T31] ? check_path+0x21/0x40
[ 282.665158][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.670869][ T31] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 282.677164][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.682968][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.688717][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.694427][ T31] ? do_raw_spin_unlock+0xf5/0x210
[ 282.700000][ T31] gfs2_log_flush+0x881/0x2510
[ 282.705110][ T31] ? __pfx_gfs2_log_flush+0x10/0x10
[ 282.710552][ T31] ? __pfx___up_read+0x10/0x10
[ 282.715445][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.721431][ T31] gfs2_trans_end+0x37b/0x570
[ 282.726142][ T31] gfs2_page_mkwrite+0x14de/0x1990
[ 282.732361][ T31] ? do_page_mkwrite+0x14d/0x310
[ 282.737333][ T31] ? __pfx_gfs2_page_mkwrite+0x10/0x10
[ 282.742973][ T31] ? futex_unqueue+0x22/0x240
[ 282.747679][ T31] ? do_page_mkwrite+0x14d/0x310
[ 282.752696][ T31] do_page_mkwrite+0x14d/0x310
[ 282.757574][ T31] do_wp_page+0x1a4b/0x5a00
[ 282.763281][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.769042][ T31] ? __pfx_do_wp_page+0x10/0x10
[ 282.773973][ T31] ? do_raw_spin_lock+0x12b/0x2f0
[ 282.779528][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.785188][ T31] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 282.791716][ T31] handle_mm_fault+0x1520/0x3310
[ 282.796972][ T31] ? handle_mm_fault+0xee/0x3310
[ 282.802153][ T31] ? __pfx_handle_mm_fault+0x10/0x10
[ 282.807464][ T31] ? lock_vma_under_rcu+0x45a/0x500
[ 282.812846][ T31] ? __pfx_do_futex+0x10/0x10
[ 282.817579][ T31] do_user_addr_fault+0xa73/0x1340
[ 282.822783][ T31] ? rcu_is_watching+0x15/0xb0
[ 282.827641][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.829239][ T7076] loop1: detected capacity change from 0 to 32768
[ 282.833316][ T31] ? trace_page_fault_user+0x84/0x210
[ 282.833363][ T31] exc_page_fault+0x6a/0xc0
[ 282.849844][ T31] asm_exc_page_fault+0x26/0x30
[ 282.854718][ T31] RIP: 0033:0x7f24cd16ae9b
[ 282.859345][ T31] RSP: 002b:00007ffd57eb9368 EFLAGS: 00010202
[ 282.866022][ T31] RAX: 0000200000000040 RBX: 0000000000000004 RCX: 0000000000736f64
[ 282.875405][ T31] RDX: 0000000000000006 RSI: 000000006f64736d RDI: 0000200000000040
[ 282.883928][ T31] RBP: fffffffffffffffe R08: 0000001b2e320000 R09: 0000000000000001
[ 282.885019][ T7076] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.891984][ T31] R10: 7ffffffffffffff9 R11: 0000000000000009 R12: 00007ffd57eb9490
[ 282.907479][ T31] R13: 00007f24cd415fac R14: 00000000000217e2 R15: 00007f24cd415fa0
[ 282.907914][ T7076] CPU: 1 UID: 0 PID: 7076 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full)
[ 282.907945][ T7076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 282.907962][ T7076] Call Trace:
[ 282.907972][ T7076]
[ 282.907983][ T7076] dump_stack_lvl+0xe8/0x150
[ 282.908025][ T7076] sysfs_create_dir_ns+0x271/0x2a0
[ 282.908082][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.908117][ T7076] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 282.908158][ T7076] ? do_raw_spin_unlock+0xf5/0x210
[ 282.908192][ T7076] kobject_add_internal+0x62b/0xd00
[ 282.908243][ T7076] kobject_init_and_add+0x12b/0x1a0
[ 282.908288][ T7076] ? __pfx_kobject_init_and_add+0x10/0x10
[ 282.908327][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.908358][ T7076] ? __raw_spin_lock_init+0x45/0x100
[ 282.908387][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.908418][ T7076] ? __init_swait_queue_head+0xa9/0x150
[ 282.908450][ T7076] gfs2_sys_fs_add+0x257/0x480
[ 282.908488][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.908518][ T7076] ? is_dynamic_key+0x1ac/0x1c0
[ 282.908554][ T7076] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 282.908603][ T7076] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 282.908647][ T7076] gfs2_fill_super+0x13a7/0x21d0
[ 282.908697][ T7076] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.908725][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.908761][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.908792][ T7076] ? sb_set_blocksize+0x155/0x240
[ 282.908827][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.908857][ T7076] ? setup_bdev_super+0x4c1/0x5b0
[ 282.908892][ T7076] get_tree_bdev_flags+0x431/0x4f0
[ 282.908924][ T7076] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.908955][ T7076] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 282.908984][ T7076] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 282.909016][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.909056][ T7076] gfs2_get_tree+0x51/0x1e0
[ 282.909105][ T7076] vfs_get_tree+0x92/0x2a0
[ 282.909139][ T7076] do_new_mount+0x341/0xd30
[ 282.909176][ T7076] ? apparmor_capable+0x126/0x170
[ 282.909214][ T7076] ? __pfx_do_new_mount+0x10/0x10
[ 282.909251][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.909281][ T7076] ? ns_capable+0x89/0xe0
[ 282.909317][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.909350][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.909387][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.909417][ T7076] ? user_path_at+0xd4/0x160
[ 282.909448][ T7076] __se_sys_mount+0x31d/0x420
[ 282.909499][ T7076] ? __pfx___se_sys_mount+0x10/0x10
[ 282.909536][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.909573][ T7076] ? srso_alias_return_thunk+0x5/0xfbef5
[ 282.909604][ T7076] ? __x64_sys_mount+0x20/0xc0
[ 282.909646][ T7076] do_syscall_64+0x14d/0xf80
[ 282.909680][ T7076] ? trace_irq_disable+0x3b/0x150
[ 282.909704][ T7076] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.909737][ T7076] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.909764][ T7076] RIP: 0033:0x7f6dc039da0a
[ 282.909789][ T7076] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
[ 282.909812][ T7076] RSP: 002b:00007f6dc12d2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.909838][ T7076] RAX: ffffffffffffffda RBX: 00007f6dc12d2ee0 RCX: 00007f6dc039da0a
[ 282.909858][ T7076] RDX: 0000200000037f40 RSI: 00002000000008c0 RDI: 00007f6dc12d2ea0
[ 282.909877][ T7076] RBP: 0000200000037f40 R08: 00007f6dc12d2ee0 R09: 0000000003000094
[ 282.909896][ T7076] R10: 0000000003000094 R11: 0000000000000246 R12: 00002000000008c0
[ 282.909913][ T7076] R13: 00007f6dc12d2ea0 R14: 0000000000037f14 R15: 0000200000000480
[ 282.909953][ T7076]
[ 282.921290][ T7076] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.924837][ T31]
[ 282.978343][ T7076] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.007881][ T31]
[ 283.007881][ T31] Showing all locks held in the system:
[ 283.309451][ T31] 1 lock held by pool_workqueue_/3:
[ 283.314755][ T31] #0: ffffffff8e7648f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2d0/0x770
[ 283.325949][ T31] 1 lock held by khungtaskd/31:
[ 283.330878][ T31] #0: ffffffff8e75e5e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 283.340852][ T31] 4 locks held by kworker/u8:8/1098:
[ 283.346144][ T31] #0: ffff888020291948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0xa52/0x18c0
[ 283.357514][ T31] #1: ffffc900046efc40 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa8d/0x18c0
[ 283.370067][ T31] #2: ffff8880217200e0 (&type->s_umount_key#54){.+.+}-{4:4}, at: super_trylock_shared+0x20/0xf0
[ 283.380825][ T31] #3: ffff88807d93cea0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0xef/0x2510
[ 283.391772][ T31] 2 locks held by getty/5579:
[ 283.396462][ T31] #0: ffff8880329660a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 283.406411][ T31] #1: ffffc9000331e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
[ 283.416812][ T31] 4 locks held by syz.0.17/6394:
[ 283.422005][ T31] #0: ffff8880526ee808 (vm_lock){++++}-{0:0}, at: lock_vma_under_rcu+0x1d1/0x500
[ 283.431444][ T31] #1: ffff888021720518 (sb_pagefaults#2){.+.+}-{0:0}, at: do_page_mkwrite+0x14d/0x310
[ 283.441242][ T31] #2: ffff888021720610 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[ 283.450917][ T31] #3: ffff88807d93cea0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0xef/0x2510
[ 283.461381][ T31] 1 lock held by gfs2_logd/syz:s/6415:
[ 283.466849][ T31] #0: ffff88807d93cea0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: gfs2_log_flush+0xef/0x2510
[ 283.477339][ T31] 2 locks held by gfs2_quotad/syz/6416:
[ 283.482923][ T31] #0: ffff888021720610 (sb_internal#2){.+.+}-{0:0}, at: gfs2_trans_begin+0x6f/0xe0
[ 283.493469][ T31] #1: ffff88807d93cea0 (&sdp->sd_log_flush_lock){++++}-{4:4}, at: __gfs2_trans_begin+0x51e/0x910
[ 283.506086][ T31]
[ 283.508419][ T31] =============================================
[ 283.508419][ T31]
[ 283.520523][ T31] NMI backtrace for cpu 0
[ 283.520544][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 283.520573][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 283.520589][ T31] Call Trace:
[ 283.520599][ T31]
[ 283.520610][ T31] dump_stack_lvl+0xe8/0x150
[ 283.520652][ T31] nmi_cpu_backtrace+0x274/0x2d0
[ 283.520681][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 283.520718][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 283.520749][ T31] sys_info+0x135/0x170
[ 283.520786][ T31] watchdog+0xfd9/0x1030
[ 283.520818][ T31] ? watchdog+0x21a/0x1030
[ 283.520851][ T31] kthread+0x388/0x470
[ 283.520877][ T31] ? __pfx_watchdog+0x10/0x10
[ 283.520899][ T31] ? __pfx_kthread+0x10/0x10
[ 283.520927][ T31] ret_from_fork+0x51e/0xb90
[ 283.520965][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 283.520998][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.521029][ T31] ? __switch_to+0xc7d/0x1450
[ 283.521064][ T31] ? __pfx_kthread+0x10/0x10
[ 283.521097][ T31] ret_from_fork_asm+0x1a/0x30
[ 283.521154][ T31]
[ 283.521164][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 283.636746][ C1] NMI backtrace for cpu 1
[ 283.636766][ C1] CPU: 1 UID: 0 PID: 7080 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full)
[ 283.636792][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 283.636807][ C1] RIP: 0010:mark_lock+0x3c/0x190
[ 283.636844][ C1] Code: 00 03 00 83 f9 01 bb 09 00 00 00 83 db 00 83 fa 08 0f 45 da bd 01 00 00 00 89 d9 d3 e5 25 ff 1f 00 00 48 0f a3 05 74 8a 82 12 <73> 10 48 69 c0 c8 00 00 00 48 8d 88 10 64 c5 93 eb 42 83 3d 3b 1a
[ 283.636864][ C1] RSP: 0018:ffffc90004f8f480 EFLAGS: 00000007
[ 283.636885][ C1] RAX: 00000000000000ac RBX: 0000000000000008 RCX: 0000000000000008
[ 283.636900][ C1] RDX: 0000000000000008 RSI: ffff8880309e2a28 RDI: ffff8880309e1e80
[ 283.636917][ C1] RBP: 0000000000000100 R08: ffffffff822187a2 R09: ffffffff8e8836c0
[ 283.636934][ C1] R10: dffffc0000000000 R11: fffff520009f1eed R12: 00000000000000ac
[ 283.636951][ C1] R13: ffff8880309e2a28 R14: ffff8880309e1e80 R15: ffff8880309e29d8
[ 283.636971][ C1] FS: 00007f6dc12d36c0(0000) GS:ffff888125557000(0000) knlGS:0000000000000000
[ 283.636992][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 283.637009][ C1] CR2: 00007f6db83ff000 CR3: 0000000078b1c000 CR4: 0000000000350ef0
[ 283.637027][ C1] Call Trace:
[ 283.637036][ C1]
[ 283.637048][ C1] __lock_acquire+0x6b5/0x2cf0
[ 283.637085][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.637113][ C1] ? __lock_acquire+0x6b5/0x2cf0
[ 283.637146][ C1] ? __pfx_css_rstat_updated+0x10/0x10
[ 283.637173][ C1] lock_acquire+0xf0/0x2e0
[ 283.637202][ C1] ? prepare_alloc_pages+0x152/0x650
[ 283.637239][ C1] fs_reclaim_acquire+0x71/0x100
[ 283.637266][ C1] ? prepare_alloc_pages+0x152/0x650
[ 283.637295][ C1] prepare_alloc_pages+0x152/0x650
[ 283.637333][ C1] __alloc_frozen_pages_noprof+0x12f/0x380
[ 283.637366][ C1] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 283.637400][ C1] ? __pfx_policy_nodemask+0x10/0x10
[ 283.637435][ C1] alloc_pages_mpol+0x232/0x4a0
[ 283.637468][ C1] folio_alloc_mpol_noprof+0x39/0x70
[ 283.637500][ C1] shmem_alloc_and_add_folio+0x445/0xf80
[ 283.637525][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.637555][ C1] ? filemap_get_entry+0xca/0x320
[ 283.637580][ C1] ? filemap_get_entry+0xca/0x320
[ 283.637605][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.637632][ C1] ? filemap_get_entry+0x2ac/0x320
[ 283.637657][ C1] ? __pfx_filemap_get_entry+0x10/0x10
[ 283.637681][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.637709][ C1] ? __pfx_shmem_alloc_and_add_folio+0x10/0x10
[ 283.637736][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.637762][ C1] ? shmem_allowable_huge_orders+0x309/0x690
[ 283.637800][ C1] ? trace_irq_disable+0x3b/0x150
[ 283.637823][ C1] shmem_get_folio_gfp+0x5a9/0x1670
[ 283.637870][ C1] shmem_write_begin+0x16c/0x330
[ 283.637897][ C1] generic_perform_write+0x2e2/0x8f0
[ 283.637935][ C1] ? __pfx_generic_perform_write+0x10/0x10
[ 283.637967][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.637994][ C1] ? preempt_count_add+0x91/0x190
[ 283.638026][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.638053][ C1] ? mnt_put_write_access_file+0xb9/0x100
[ 283.638082][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.638109][ C1] ? file_update_time_flags+0x400/0x4a0
[ 283.638138][ C1] shmem_file_write_iter+0xf8/0x120
[ 283.638164][ C1] vfs_write+0x61d/0xb90
[ 283.638195][ C1] ? __pfx_vfs_write+0x10/0x10
[ 283.638226][ C1] ? __fget_files+0x2a/0x420
[ 283.638249][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.638279][ C1] ksys_write+0x150/0x270
[ 283.638306][ C1] ? __pfx_ksys_write+0x10/0x10
[ 283.638341][ C1] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.638376][ C1] do_syscall_64+0x14d/0xf80
[ 283.638407][ C1] ? trace_irq_disable+0x3b/0x150
[ 283.638427][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.638454][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.638477][ C1] RIP: 0033:0x7f6dc035cfce
[ 283.638497][ C1] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
[ 283.638517][ C1] RSP: 002b:00007f6dc12d2da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 283.638544][ C1] RAX: ffffffffffffffda RBX: 00007f6dc12d36c0 RCX: 00007f6dc035cfce
[ 283.638562][ C1] RDX: 0000000001000000 RSI: 00007f6db7400000 RDI: 0000000000000003
[ 283.638577][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 283.638591][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[ 283.638606][ C1] R13: 00007f6dc12d2ee0 R14: 00007f6dc12d2ea0 R15: 00007f6db7400000
[ 283.638633][ C1]
[ 283.818960][ T7080] loop1: detected capacity change from 0 to 32768
[ 283.827194][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 283.827217][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 283.827247][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 283.827265][ T31] Call Trace:
[ 283.827277][ T31]
[ 283.827290][ T31] vpanic+0x56c/0xa60
[ 283.827332][ T31] ? __pfx___schedule+0x10/0x10
[ 283.827366][ T31] ? __pfx_vpanic+0x10/0x10
[ 283.827403][ T31] ? __pfx_console_unlock+0x10/0x10
[ 283.827443][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.827485][ T31] panic+0xc5/0xd0
[ 283.827521][ T31] ? __pfx_panic+0x10/0x10
[ 283.827560][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.827592][ T31] ? preempt_schedule_thunk+0x16/0x30
[ 283.827628][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.827660][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 283.827694][ T31] watchdog+0x1023/0x1030
[ 283.827727][ T31] ? watchdog+0x21a/0x1030
[ 283.827761][ T31] kthread+0x388/0x470
[ 283.827789][ T31] ? __pfx_watchdog+0x10/0x10
[ 283.827812][ T31] ? __pfx_kthread+0x10/0x10
[ 283.827840][ T31] ret_from_fork+0x51e/0xb90
[ 283.827881][ T31] ? __pfx_ret_from_fork+0x10/0x10
[ 283.827915][ T31] ? srso_alias_return_thunk+0x5/0xfbef5
[ 283.827946][ T31] ? __switch_to+0xc7d/0x1450
[ 283.827981][ T31] ? __pfx_kthread+0x10/0x10
[ 283.828010][ T31] ret_from_fork_asm+0x1a/0x30
[ 283.828068][ T31]
[ 283.831722][ T31] Kernel Offset: disabled