0000a5
[ 262.672651][ T6520] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 262.672665][ T6520] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 262.672678][ T6520] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 262.672691][ T6520] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 262.672704][ T6520] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 262.672736][ T6520]
[ 262.672772][ T6520] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.986225][ T6520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.085402][ T51] Bluetooth: hci0: command 0x0406 tx timeout
[ 263.355361][ T6523] loop1: detected capacity change from 0 to 32768
[ 263.370283][ T6523] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.379133][ T6523] CPU: 0 UID: 0 PID: 6523 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full)
[ 263.379160][ T6523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 263.379172][ T6523] Call Trace:
[ 263.379180][ T6523]
[ 263.379189][ T6523] dump_stack_lvl+0xe8/0x150
[ 263.379223][ T6523] sysfs_create_dir_ns+0x271/0x2a0
[ 263.379253][ T6523] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 263.379280][ T6523] ? do_raw_spin_unlock+0xf5/0x210
[ 263.379306][ T6523] kobject_add_internal+0x62b/0xd00
[ 263.379338][ T6523] kobject_init_and_add+0x12b/0x1a0
[ 263.379366][ T6523] ? __pfx_kobject_init_and_add+0x10/0x10
[ 263.379389][ T6523] ? __raw_spin_lock_init+0x45/0x100
[ 263.379422][ T6523] ? __init_swait_queue_head+0xa9/0x150
[ 263.379446][ T6523] gfs2_sys_fs_add+0x257/0x480
[ 263.379467][ T6523] ? is_dynamic_key+0x1ac/0x1c0
[ 263.379492][ T6523] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 263.379522][ T6523] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 263.379557][ T6523] gfs2_fill_super+0x13a7/0x21d0
[ 263.379601][ T6523] ? __pfx_gfs2_fill_super+0x10/0x10
[ 263.379633][ T6523] ? sb_set_blocksize+0x155/0x240
[ 263.379662][ T6523] ? setup_bdev_super+0x4c1/0x5b0
[ 263.379685][ T6523] get_tree_bdev_flags+0x431/0x4f0
[ 263.379705][ T6523] ? __pfx_gfs2_fill_super+0x10/0x10
[ 263.379732][ T6523] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 263.379750][ T6523] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 263.379797][ T6523] gfs2_get_tree+0x51/0x1e0
[ 263.379827][ T6523] vfs_get_tree+0x92/0x2a0
[ 263.379850][ T6523] do_new_mount+0x341/0xd30
[ 263.379873][ T6523] ? apparmor_capable+0x126/0x170
[ 263.379906][ T6523] ? __pfx_do_new_mount+0x10/0x10
[ 263.379930][ T6523] ? ns_capable+0x89/0xe0
[ 263.379966][ T6523] ? user_path_at+0xd4/0x160
[ 263.379995][ T6523] __se_sys_mount+0x31d/0x420
[ 263.380026][ T6523] ? __pfx___se_sys_mount+0x10/0x10
[ 263.380057][ T6523] ? __x64_sys_mount+0x20/0xc0
[ 263.380085][ T6523] do_syscall_64+0x14d/0xf80
[ 263.380103][ T6523] ? trace_irq_disable+0x3b/0x150
[ 263.380129][ T6523] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 263.380148][ T6523] ? clear_bhb_loop+0x40/0x90
[ 263.380171][ T6523] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 263.380190][ T6523] RIP: 0033:0x7f569159d20a
[ 263.380209][ T6523] 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
[ 263.380224][ T6523] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.380247][ T6523] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 263.380260][ T6523] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 263.380273][ T6523] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 263.380285][ T6523] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 263.380297][ T6523] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 263.380329][ T6523]
[ 263.380908][ T6523] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.695128][ T6523] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.053139][ T6526] loop1: detected capacity change from 0 to 32768
[ 264.075968][ T6526] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.087082][ T6526] CPU: 1 UID: 0 PID: 6526 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full)
[ 264.087111][ T6526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 264.087123][ T6526] Call Trace:
[ 264.087152][ T6526]
[ 264.087161][ T6526] dump_stack_lvl+0xe8/0x150
[ 264.087194][ T6526] sysfs_create_dir_ns+0x271/0x2a0
[ 264.087222][ T6526] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 264.087248][ T6526] ? do_raw_spin_unlock+0xf5/0x210
[ 264.087271][ T6526] kobject_add_internal+0x62b/0xd00
[ 264.087492][ T6526] kobject_init_and_add+0x12b/0x1a0
[ 264.087512][ T6526] ? __pfx_kobject_init_and_add+0x10/0x10
[ 264.087526][ T6526] ? __raw_spin_lock_init+0x45/0x100
[ 264.087539][ T6526] ? __init_swait_queue_head+0xa9/0x150
[ 264.087554][ T6526] gfs2_sys_fs_add+0x257/0x480
[ 264.087568][ T6526] ? is_dynamic_key+0x1ac/0x1c0
[ 264.087583][ T6526] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 264.087600][ T6526] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 264.087623][ T6526] gfs2_fill_super+0x13a7/0x21d0
[ 264.087649][ T6526] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.087683][ T6526] ? sb_set_blocksize+0x155/0x240
[ 264.087701][ T6526] ? setup_bdev_super+0x4c1/0x5b0
[ 264.087716][ T6526] get_tree_bdev_flags+0x431/0x4f0
[ 264.087728][ T6526] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.087744][ T6526] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 264.087754][ T6526] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 264.087778][ T6526] gfs2_get_tree+0x51/0x1e0
[ 264.087795][ T6526] vfs_get_tree+0x92/0x2a0
[ 264.087809][ T6526] do_new_mount+0x341/0xd30
[ 264.087828][ T6526] ? apparmor_capable+0x126/0x170
[ 264.087848][ T6526] ? __pfx_do_new_mount+0x10/0x10
[ 264.087863][ T6526] ? ns_capable+0x89/0xe0
[ 264.087884][ T6526] ? user_path_at+0xd4/0x160
[ 264.087902][ T6526] __se_sys_mount+0x31d/0x420
[ 264.087921][ T6526] ? __pfx___se_sys_mount+0x10/0x10
[ 264.088317][ T6526] ? __x64_sys_mount+0x20/0xc0
[ 264.088336][ T6526] do_syscall_64+0x14d/0xf80
[ 264.088349][ T6526] ? trace_irq_disable+0x3b/0x150
[ 264.088365][ T6526] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.088377][ T6526] ? clear_bhb_loop+0x40/0x90
[ 264.088391][ T6526] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.088403][ T6526] RIP: 0033:0x7f569159d20a
[ 264.088417][ T6526] 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
[ 264.088427][ T6526] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.088441][ T6526] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 264.088450][ T6526] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 264.088458][ T6526] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 264.088465][ T6526] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 264.088473][ T6526] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 264.088492][ T6526]
[ 264.088706][ T6526] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.462947][ T6526] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.816617][ T6529] loop1: detected capacity change from 0 to 32768
[ 264.833375][ T6529] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.845079][ T6529] CPU: 1 UID: 0 PID: 6529 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full)
[ 264.845107][ T6529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 264.845120][ T6529] Call Trace:
[ 264.845128][ T6529]
[ 264.845137][ T6529] dump_stack_lvl+0xe8/0x150
[ 264.845178][ T6529] sysfs_create_dir_ns+0x271/0x2a0
[ 264.845207][ T6529] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 264.845232][ T6529] ? do_raw_spin_unlock+0xf5/0x210
[ 264.845258][ T6529] kobject_add_internal+0x62b/0xd00
[ 264.845288][ T6529] kobject_init_and_add+0x12b/0x1a0
[ 264.845315][ T6529] ? __pfx_kobject_init_and_add+0x10/0x10
[ 264.845339][ T6529] ? __raw_spin_lock_init+0x45/0x100
[ 264.845360][ T6529] ? __init_swait_queue_head+0xa9/0x150
[ 264.845383][ T6529] gfs2_sys_fs_add+0x257/0x480
[ 264.845404][ T6529] ? is_dynamic_key+0x1ac/0x1c0
[ 264.845428][ T6529] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 264.845460][ T6529] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 264.845496][ T6529] gfs2_fill_super+0x13a7/0x21d0
[ 264.845540][ T6529] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.845571][ T6529] ? sb_set_blocksize+0x155/0x240
[ 264.845600][ T6529] ? setup_bdev_super+0x4c1/0x5b0
[ 264.845625][ T6529] get_tree_bdev_flags+0x431/0x4f0
[ 264.845646][ T6529] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.845671][ T6529] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 264.845691][ T6529] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 264.845730][ T6529] gfs2_get_tree+0x51/0x1e0
[ 264.845760][ T6529] vfs_get_tree+0x92/0x2a0
[ 264.845784][ T6529] do_new_mount+0x341/0xd30
[ 264.845805][ T6529] ? apparmor_capable+0x126/0x170
[ 264.845837][ T6529] ? __pfx_do_new_mount+0x10/0x10
[ 264.845862][ T6529] ? ns_capable+0x89/0xe0
[ 264.845897][ T6529] ? user_path_at+0xd4/0x160
[ 264.845927][ T6529] __se_sys_mount+0x31d/0x420
[ 264.845958][ T6529] ? __pfx___se_sys_mount+0x10/0x10
[ 264.845991][ T6529] ? __x64_sys_mount+0x20/0xc0
[ 264.846029][ T6529] do_syscall_64+0x14d/0xf80
[ 264.846057][ T6529] ? trace_irq_disable+0x3b/0x150
[ 264.846082][ T6529] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.846100][ T6529] ? clear_bhb_loop+0x40/0x90
[ 264.846125][ T6529] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.846143][ T6529] RIP: 0033:0x7f569159d20a
[ 264.846162][ T6529] 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
[ 264.846179][ T6529] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.846201][ T6529] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 264.846224][ T6529] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 264.846237][ T6529] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 264.846255][ T6529] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 264.846275][ T6529] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 264.846307][ T6529]
[ 265.148418][ T6529] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.162667][ T6529] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.517526][ T6532] loop1: detected capacity change from 0 to 32768
[ 265.534936][ T6532] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.542967][ T6532] CPU: 0 UID: 0 PID: 6532 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full)
[ 265.542995][ T6532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 265.543006][ T6532] Call Trace:
[ 265.543014][ T6532]
[ 265.543023][ T6532] dump_stack_lvl+0xe8/0x150
[ 265.543068][ T6532] sysfs_create_dir_ns+0x271/0x2a0
[ 265.543098][ T6532] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 265.543124][ T6532] ? do_raw_spin_unlock+0xf5/0x210
[ 265.543168][ T6532] kobject_add_internal+0x62b/0xd00
[ 265.543201][ T6532] kobject_init_and_add+0x12b/0x1a0
[ 265.543229][ T6532] ? __pfx_kobject_init_and_add+0x10/0x10
[ 265.543253][ T6532] ? __raw_spin_lock_init+0x45/0x100
[ 265.543275][ T6532] ? __init_swait_queue_head+0xa9/0x150
[ 265.543299][ T6532] gfs2_sys_fs_add+0x257/0x480
[ 265.543322][ T6532] ? is_dynamic_key+0x1ac/0x1c0
[ 265.543344][ T6532] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 265.543383][ T6532] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 265.543431][ T6532] gfs2_fill_super+0x13a7/0x21d0
[ 265.543498][ T6532] ? __pfx_gfs2_fill_super+0x10/0x10
[ 265.543540][ T6532] ? sb_set_blocksize+0x155/0x240
[ 265.543570][ T6532] ? setup_bdev_super+0x4c1/0x5b0
[ 265.543616][ T6532] get_tree_bdev_flags+0x431/0x4f0
[ 265.543646][ T6532] ? __pfx_gfs2_fill_super+0x10/0x10
[ 265.543678][ T6532] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 265.543696][ T6532] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 265.543737][ T6532] gfs2_get_tree+0x51/0x1e0
[ 265.543769][ T6532] vfs_get_tree+0x92/0x2a0
[ 265.543790][ T6532] do_new_mount+0x341/0xd30
[ 265.543812][ T6532] ? apparmor_capable+0x126/0x170
[ 265.543845][ T6532] ? __pfx_do_new_mount+0x10/0x10
[ 265.543870][ T6532] ? ns_capable+0x89/0xe0
[ 265.543905][ T6532] ? user_path_at+0xd4/0x160
[ 265.543937][ T6532] __se_sys_mount+0x31d/0x420
[ 265.543969][ T6532] ? __pfx___se_sys_mount+0x10/0x10
[ 265.544002][ T6532] ? __x64_sys_mount+0x20/0xc0
[ 265.544047][ T6532] do_syscall_64+0x14d/0xf80
[ 265.544066][ T6532] ? trace_irq_disable+0x3b/0x150
[ 265.544099][ T6532] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 265.544118][ T6532] ? clear_bhb_loop+0x40/0x90
[ 265.544141][ T6532] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 265.544160][ T6532] RIP: 0033:0x7f569159d20a
[ 265.544180][ T6532] 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
[ 265.544197][ T6532] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.544219][ T6532] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 265.544233][ T6532] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 265.544244][ T6532] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 265.544257][ T6532] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 265.544270][ T6532] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 265.544302][ T6532]
[ 265.544339][ T6532] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.853747][ T6532] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.229115][ T6535] loop1: detected capacity change from 0 to 32768
[ 266.242304][ T6535] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.256768][ T6535] CPU: 0 UID: 0 PID: 6535 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full)
[ 266.256796][ T6535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 266.256807][ T6535] Call Trace:
[ 266.256816][ T6535]
[ 266.256824][ T6535] dump_stack_lvl+0xe8/0x150
[ 266.256858][ T6535] sysfs_create_dir_ns+0x271/0x2a0
[ 266.256887][ T6535] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 266.256914][ T6535] ? do_raw_spin_unlock+0xf5/0x210
[ 266.256939][ T6535] kobject_add_internal+0x62b/0xd00
[ 266.256982][ T6535] kobject_init_and_add+0x12b/0x1a0
[ 266.257010][ T6535] ? __pfx_kobject_init_and_add+0x10/0x10
[ 266.257034][ T6535] ? __raw_spin_lock_init+0x45/0x100
[ 266.257055][ T6535] ? __init_swait_queue_head+0xa9/0x150
[ 266.257078][ T6535] gfs2_sys_fs_add+0x257/0x480
[ 266.257100][ T6535] ? is_dynamic_key+0x1ac/0x1c0
[ 266.257124][ T6535] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 266.257155][ T6535] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 266.257190][ T6535] gfs2_fill_super+0x13a7/0x21d0
[ 266.257234][ T6535] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.257264][ T6535] ? sb_set_blocksize+0x155/0x240
[ 266.257294][ T6535] ? setup_bdev_super+0x4c1/0x5b0
[ 266.257318][ T6535] get_tree_bdev_flags+0x431/0x4f0
[ 266.257339][ T6535] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.257365][ T6535] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 266.257382][ T6535] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 266.257422][ T6535] gfs2_get_tree+0x51/0x1e0
[ 266.257452][ T6535] vfs_get_tree+0x92/0x2a0
[ 266.257474][ T6535] do_new_mount+0x341/0xd30
[ 266.257497][ T6535] ? apparmor_capable+0x126/0x170
[ 266.257529][ T6535] ? __pfx_do_new_mount+0x10/0x10
[ 266.257554][ T6535] ? ns_capable+0x89/0xe0
[ 266.257624][ T6535] ? user_path_at+0xd4/0x160
[ 266.257655][ T6535] __se_sys_mount+0x31d/0x420
[ 266.257686][ T6535] ? __pfx___se_sys_mount+0x10/0x10
[ 266.257717][ T6535] ? __x64_sys_mount+0x20/0xc0
[ 266.257753][ T6535] do_syscall_64+0x14d/0xf80
[ 266.257770][ T6535] ? trace_irq_disable+0x3b/0x150
[ 266.257794][ T6535] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.257815][ T6535] ? clear_bhb_loop+0x40/0x90
[ 266.257838][ T6535] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.257856][ T6535] RIP: 0033:0x7f569159d20a
[ 266.257876][ T6535] 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
[ 266.257890][ T6535] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.257913][ T6535] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 266.257925][ T6535] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 266.257939][ T6535] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 266.257959][ T6535] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 266.257972][ T6535] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 266.258004][ T6535]
[ 266.258031][ T6535] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.570301][ T6535] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/16 08:06:10 executed programs: 160
[ 266.924867][ T6538] loop1: detected capacity change from 0 to 32768
[ 266.956454][ T6538] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.964084][ T6538] CPU: 0 UID: 0 PID: 6538 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full)
[ 266.964113][ T6538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 266.964125][ T6538] Call Trace:
[ 266.964134][ T6538]
[ 266.964142][ T6538] dump_stack_lvl+0xe8/0x150
[ 266.964177][ T6538] sysfs_create_dir_ns+0x271/0x2a0
[ 266.964206][ T6538] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 266.964234][ T6538] ? do_raw_spin_unlock+0xf5/0x210
[ 266.964261][ T6538] kobject_add_internal+0x62b/0xd00
[ 266.964294][ T6538] kobject_init_and_add+0x12b/0x1a0
[ 266.964323][ T6538] ? __pfx_kobject_init_and_add+0x10/0x10
[ 266.964348][ T6538] ? __raw_spin_lock_init+0x45/0x100
[ 266.964370][ T6538] ? __init_swait_queue_head+0xa9/0x150
[ 266.964395][ T6538] gfs2_sys_fs_add+0x257/0x480
[ 266.964417][ T6538] ? is_dynamic_key+0x1ac/0x1c0
[ 266.964442][ T6538] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 266.964473][ T6538] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 266.964509][ T6538] gfs2_fill_super+0x13a7/0x21d0
[ 266.964555][ T6538] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.964583][ T6538] ? sb_set_blocksize+0x155/0x240
[ 266.964614][ T6538] ? setup_bdev_super+0x4c1/0x5b0
[ 266.964638][ T6538] get_tree_bdev_flags+0x431/0x4f0
[ 266.964660][ T6538] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.964685][ T6538] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 266.964704][ T6538] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 266.964745][ T6538] gfs2_get_tree+0x51/0x1e0
[ 266.964784][ T6538] vfs_get_tree+0x92/0x2a0
[ 266.964808][ T6538] do_new_mount+0x341/0xd30
[ 266.964832][ T6538] ? apparmor_capable+0x126/0x170
[ 266.964866][ T6538] ? __pfx_do_new_mount+0x10/0x10
[ 266.964891][ T6538] ? ns_capable+0x89/0xe0
[ 266.964926][ T6538] ? user_path_at+0xd4/0x160
[ 266.964956][ T6538] __se_sys_mount+0x31d/0x420
[ 266.964987][ T6538] ? __pfx___se_sys_mount+0x10/0x10
[ 266.965020][ T6538] ? __x64_sys_mount+0x20/0xc0
[ 266.965046][ T6538] do_syscall_64+0x14d/0xf80
[ 266.965063][ T6538] ? trace_irq_disable+0x3b/0x150
[ 266.965089][ T6538] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.965109][ T6538] ? clear_bhb_loop+0x40/0x90
[ 266.965132][ T6538] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.965151][ T6538] RIP: 0033:0x7f569159d20a
[ 266.965188][ T6538] 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
[ 266.965204][ T6538] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.965225][ T6538] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 266.965239][ T6538] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 266.965252][ T6538] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 266.965264][ T6538] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 266.965276][ T6538] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 266.965309][ T6538]
[ 267.266406][ T6538] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.282175][ T6538] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.650425][ T6541] loop1: detected capacity change from 0 to 32768
[ 267.665064][ T6541] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.673176][ T6541] CPU: 0 UID: 0 PID: 6541 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full)
[ 267.673202][ T6541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 267.673214][ T6541] Call Trace:
[ 267.673221][ T6541]
[ 267.673229][ T6541] dump_stack_lvl+0xe8/0x150
[ 267.673261][ T6541] sysfs_create_dir_ns+0x271/0x2a0
[ 267.673289][ T6541] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 267.673314][ T6541] ? do_raw_spin_unlock+0xf5/0x210
[ 267.673340][ T6541] kobject_add_internal+0x62b/0xd00
[ 267.673374][ T6541] kobject_init_and_add+0x12b/0x1a0
[ 267.673399][ T6541] ? __pfx_kobject_init_and_add+0x10/0x10
[ 267.673421][ T6541] ? __raw_spin_lock_init+0x45/0x100
[ 267.673442][ T6541] ? __init_swait_queue_head+0xa9/0x150
[ 267.673467][ T6541] gfs2_sys_fs_add+0x257/0x480
[ 267.673488][ T6541] ? is_dynamic_key+0x1ac/0x1c0
[ 267.673512][ T6541] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 267.673543][ T6541] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 267.673576][ T6541] gfs2_fill_super+0x13a7/0x21d0
[ 267.673619][ T6541] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.673648][ T6541] ? sb_set_blocksize+0x155/0x240
[ 267.673676][ T6541] ? setup_bdev_super+0x4c1/0x5b0
[ 267.673699][ T6541] get_tree_bdev_flags+0x431/0x4f0
[ 267.673721][ T6541] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.673810][ T6541] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 267.673828][ T6541] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 267.673864][ T6541] gfs2_get_tree+0x51/0x1e0
[ 267.673884][ T6541] vfs_get_tree+0x92/0x2a0
[ 267.673897][ T6541] do_new_mount+0x341/0xd30
[ 267.673911][ T6541] ? apparmor_capable+0x126/0x170
[ 267.673930][ T6541] ? __pfx_do_new_mount+0x10/0x10
[ 267.673945][ T6541] ? ns_capable+0x89/0xe0
[ 267.673966][ T6541] ? user_path_at+0xd4/0x160
[ 267.673984][ T6541] __se_sys_mount+0x31d/0x420
[ 267.674005][ T6541] ? __pfx___se_sys_mount+0x10/0x10
[ 267.674024][ T6541] ? __x64_sys_mount+0x20/0xc0
[ 267.674040][ T6541] do_syscall_64+0x14d/0xf80
[ 267.674052][ T6541] ? trace_irq_disable+0x3b/0x150
[ 267.674070][ T6541] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.674083][ T6541] ? clear_bhb_loop+0x40/0x90
[ 267.674097][ T6541] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.674108][ T6541] RIP: 0033:0x7f569159d20a
[ 267.674121][ T6541] 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
[ 267.674132][ T6541] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.674146][ T6541] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 267.674155][ T6541] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 267.674163][ T6541] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 267.674170][ T6541] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 267.674178][ T6541] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 267.674196][ T6541]
[ 267.674356][ T6541] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.986095][ T6541] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.348166][ T6544] loop1: detected capacity change from 0 to 32768
[ 268.371487][ T6544] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.380242][ T6544] CPU: 0 UID: 0 PID: 6544 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full)
[ 268.380270][ T6544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 268.380283][ T6544] Call Trace:
[ 268.380291][ T6544]
[ 268.380299][ T6544] dump_stack_lvl+0xe8/0x150
[ 268.380332][ T6544] sysfs_create_dir_ns+0x271/0x2a0
[ 268.380361][ T6544] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 268.380388][ T6544] ? do_raw_spin_unlock+0xf5/0x210
[ 268.380414][ T6544] kobject_add_internal+0x62b/0xd00
[ 268.380445][ T6544] kobject_init_and_add+0x12b/0x1a0
[ 268.380474][ T6544] ? __pfx_kobject_init_and_add+0x10/0x10
[ 268.380498][ T6544] ? __raw_spin_lock_init+0x45/0x100
[ 268.380519][ T6544] ? __init_swait_queue_head+0xa9/0x150
[ 268.380542][ T6544] gfs2_sys_fs_add+0x257/0x480
[ 268.380563][ T6544] ? is_dynamic_key+0x1ac/0x1c0
[ 268.380588][ T6544] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 268.380618][ T6544] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 268.380653][ T6544] gfs2_fill_super+0x13a7/0x21d0
[ 268.380706][ T6544] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.380737][ T6544] ? sb_set_blocksize+0x155/0x240
[ 268.380766][ T6544] ? setup_bdev_super+0x4c1/0x5b0
[ 268.380789][ T6544] get_tree_bdev_flags+0x431/0x4f0
[ 268.380810][ T6544] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.380835][ T6544] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 268.380854][ T6544] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 268.380893][ T6544] gfs2_get_tree+0x51/0x1e0
[ 268.380922][ T6544] vfs_get_tree+0x92/0x2a0
[ 268.380943][ T6544] do_new_mount+0x341/0xd30
[ 268.380967][ T6544] ? apparmor_capable+0x126/0x170
[ 268.381000][ T6544] ? __pfx_do_new_mount+0x10/0x10
[ 268.381025][ T6544] ? ns_capable+0x89/0xe0
[ 268.381060][ T6544] ? user_path_at+0xd4/0x160
[ 268.381090][ T6544] __se_sys_mount+0x31d/0x420
[ 268.381122][ T6544] ? __pfx___se_sys_mount+0x10/0x10
[ 268.381154][ T6544] ? __x64_sys_mount+0x20/0xc0
[ 268.381181][ T6544] do_syscall_64+0x14d/0xf80
[ 268.381199][ T6544] ? trace_irq_disable+0x3b/0x150
[ 268.381232][ T6544] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.381252][ T6544] ? clear_bhb_loop+0x40/0x90
[ 268.381275][ T6544] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.381293][ T6544] RIP: 0033:0x7f569159d20a
[ 268.381314][ T6544] 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
[ 268.381329][ T6544] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.381351][ T6544] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 268.381365][ T6544] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 268.381379][ T6544] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 268.381391][ T6544] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 268.381404][ T6544] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 268.381435][ T6544]
[ 268.381463][ T6544] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.690495][ T6544] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.053144][ T6547] loop1: detected capacity change from 0 to 32768
[ 269.067610][ T6547] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.078985][ T6547] CPU: 1 UID: 0 PID: 6547 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full)
[ 269.079015][ T6547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 269.079027][ T6547] Call Trace:
[ 269.079035][ T6547]
[ 269.079044][ T6547] dump_stack_lvl+0xe8/0x150
[ 269.079080][ T6547] sysfs_create_dir_ns+0x271/0x2a0
[ 269.079109][ T6547] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 269.079136][ T6547] ? do_raw_spin_unlock+0xf5/0x210
[ 269.079161][ T6547] kobject_add_internal+0x62b/0xd00
[ 269.079193][ T6547] kobject_init_and_add+0x12b/0x1a0
[ 269.079221][ T6547] ? __pfx_kobject_init_and_add+0x10/0x10
[ 269.079244][ T6547] ? __raw_spin_lock_init+0x45/0x100
[ 269.079265][ T6547] ? __init_swait_queue_head+0xa9/0x150
[ 269.079290][ T6547] gfs2_sys_fs_add+0x257/0x480
[ 269.079312][ T6547] ? is_dynamic_key+0x1ac/0x1c0
[ 269.079336][ T6547] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 269.079367][ T6547] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 269.079403][ T6547] gfs2_fill_super+0x13a7/0x21d0
[ 269.079447][ T6547] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.079478][ T6547] ? sb_set_blocksize+0x155/0x240
[ 269.079507][ T6547] ? setup_bdev_super+0x4c1/0x5b0
[ 269.079531][ T6547] get_tree_bdev_flags+0x431/0x4f0
[ 269.079553][ T6547] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.079580][ T6547] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 269.079597][ T6547] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 269.079634][ T6547] gfs2_get_tree+0x51/0x1e0
[ 269.079664][ T6547] vfs_get_tree+0x92/0x2a0
[ 269.079685][ T6547] do_new_mount+0x341/0xd30
[ 269.079708][ T6547] ? apparmor_capable+0x126/0x170
[ 269.079751][ T6547] ? __pfx_do_new_mount+0x10/0x10
[ 269.079776][ T6547] ? ns_capable+0x89/0xe0
[ 269.079811][ T6547] ? user_path_at+0xd4/0x160
[ 269.079843][ T6547] __se_sys_mount+0x31d/0x420
[ 269.079876][ T6547] ? __pfx___se_sys_mount+0x10/0x10
[ 269.079907][ T6547] ? __x64_sys_mount+0x20/0xc0
[ 269.079934][ T6547] do_syscall_64+0x14d/0xf80
[ 269.079952][ T6547] ? trace_irq_disable+0x3b/0x150
[ 269.079978][ T6547] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.079997][ T6547] ? clear_bhb_loop+0x40/0x90
[ 269.080020][ T6547] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.080039][ T6547] RIP: 0033:0x7f569159d20a
[ 269.080059][ T6547] 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
[ 269.080075][ T6547] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.080097][ T6547] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 269.080111][ T6547] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 269.080125][ T6547] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 269.080138][ T6547] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 269.080151][ T6547] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 269.080181][ T6547]
[ 269.080208][ T6547] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.389546][ T6547] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.739312][ T6550] loop1: detected capacity change from 0 to 32768
[ 269.755556][ T6550] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.763785][ T6550] CPU: 0 UID: 0 PID: 6550 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full)
[ 269.763814][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 269.763826][ T6550] Call Trace:
[ 269.763836][ T6550]
[ 269.763844][ T6550] dump_stack_lvl+0xe8/0x150
[ 269.763878][ T6550] sysfs_create_dir_ns+0x271/0x2a0
[ 269.763909][ T6550] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 269.763936][ T6550] ? do_raw_spin_unlock+0xf5/0x210
[ 269.763961][ T6550] kobject_add_internal+0x62b/0xd00
[ 269.763996][ T6550] kobject_init_and_add+0x12b/0x1a0
[ 269.764025][ T6550] ? __pfx_kobject_init_and_add+0x10/0x10
[ 269.764047][ T6550] ? __raw_spin_lock_init+0x45/0x100
[ 269.764069][ T6550] ? __init_swait_queue_head+0xa9/0x150
[ 269.764106][ T6550] gfs2_sys_fs_add+0x257/0x480
[ 269.764128][ T6550] ? is_dynamic_key+0x1ac/0x1c0
[ 269.764151][ T6550] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 269.764191][ T6550] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 269.764234][ T6550] gfs2_fill_super+0x13a7/0x21d0
[ 269.764278][ T6550] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.764310][ T6550] ? sb_set_blocksize+0x155/0x240
[ 269.764349][ T6550] ? setup_bdev_super+0x4c1/0x5b0
[ 269.764373][ T6550] get_tree_bdev_flags+0x431/0x4f0
[ 269.764395][ T6550] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.764421][ T6550] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 269.764440][ T6550] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 269.764481][ T6550] gfs2_get_tree+0x51/0x1e0
[ 269.764511][ T6550] vfs_get_tree+0x92/0x2a0
[ 269.764534][ T6550] do_new_mount+0x341/0xd30
[ 269.764558][ T6550] ? apparmor_capable+0x126/0x170
[ 269.764592][ T6550] ? __pfx_do_new_mount+0x10/0x10
[ 269.764616][ T6550] ? ns_capable+0x89/0xe0
[ 269.764650][ T6550] ? user_path_at+0xd4/0x160
[ 269.764682][ T6550] __se_sys_mount+0x31d/0x420
[ 269.764724][ T6550] ? __pfx___se_sys_mount+0x10/0x10
[ 269.764757][ T6550] ? __x64_sys_mount+0x20/0xc0
[ 269.764785][ T6550] do_syscall_64+0x14d/0xf80
[ 269.764802][ T6550] ? trace_irq_disable+0x3b/0x150
[ 269.764828][ T6550] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.764848][ T6550] ? clear_bhb_loop+0x40/0x90
[ 269.764871][ T6550] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.764891][ T6550] RIP: 0033:0x7f569159d20a
[ 269.764911][ T6550] 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
[ 269.764928][ T6550] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.764949][ T6550] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 269.764964][ T6550] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 269.764977][ T6550] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 269.764988][ T6550] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 269.765000][ T6550] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 269.765033][ T6550]
[ 269.765060][ T6550] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.075869][ T6550] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.414873][ T6553] loop1: detected capacity change from 0 to 32768
[ 270.428316][ T6553] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.436491][ T6553] CPU: 0 UID: 0 PID: 6553 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full)
[ 270.436519][ T6553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 270.436531][ T6553] Call Trace:
[ 270.436540][ T6553]
[ 270.436548][ T6553] dump_stack_lvl+0xe8/0x150
[ 270.436582][ T6553] sysfs_create_dir_ns+0x271/0x2a0
[ 270.436611][ T6553] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 270.436638][ T6553] ? do_raw_spin_unlock+0xf5/0x210
[ 270.436664][ T6553] kobject_add_internal+0x62b/0xd00
[ 270.436696][ T6553] kobject_init_and_add+0x12b/0x1a0
[ 270.436724][ T6553] ? __pfx_kobject_init_and_add+0x10/0x10
[ 270.436762][ T6553] ? __raw_spin_lock_init+0x45/0x100
[ 270.436784][ T6553] ? __init_swait_queue_head+0xa9/0x150
[ 270.436808][ T6553] gfs2_sys_fs_add+0x257/0x480
[ 270.436829][ T6553] ? is_dynamic_key+0x1ac/0x1c0
[ 270.436853][ T6553] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 270.436884][ T6553] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 270.436919][ T6553] gfs2_fill_super+0x13a7/0x21d0
[ 270.436961][ T6553] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.436990][ T6553] ? sb_set_blocksize+0x155/0x240
[ 270.437020][ T6553] ? setup_bdev_super+0x4c1/0x5b0
[ 270.437045][ T6553] get_tree_bdev_flags+0x431/0x4f0
[ 270.437067][ T6553] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.437094][ T6553] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 270.437113][ T6553] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 270.437166][ T6553] gfs2_get_tree+0x51/0x1e0
[ 270.437195][ T6553] vfs_get_tree+0x92/0x2a0
[ 270.437218][ T6553] do_new_mount+0x341/0xd30
[ 270.437242][ T6553] ? apparmor_capable+0x126/0x170
[ 270.437275][ T6553] ? __pfx_do_new_mount+0x10/0x10
[ 270.437299][ T6553] ? ns_capable+0x89/0xe0
[ 270.437336][ T6553] ? user_path_at+0xd4/0x160
[ 270.437368][ T6553] __se_sys_mount+0x31d/0x420
[ 270.437399][ T6553] ? __pfx___se_sys_mount+0x10/0x10
[ 270.437432][ T6553] ? __x64_sys_mount+0x20/0xc0
[ 270.437460][ T6553] do_syscall_64+0x14d/0xf80
[ 270.437479][ T6553] ? trace_irq_disable+0x3b/0x150
[ 270.437506][ T6553] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.437550][ T6553] ? clear_bhb_loop+0x40/0x90
[ 270.437576][ T6553] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.437595][ T6553] RIP: 0033:0x7f569159d20a
[ 270.437622][ T6553] 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
[ 270.437638][ T6553] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.437661][ T6553] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 270.437675][ T6553] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 270.437689][ T6553] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 270.437701][ T6553] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 270.437714][ T6553] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 270.437754][ T6553]
[ 270.437782][ T6553] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.748039][ T6553] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.125543][ T6556] loop1: detected capacity change from 0 to 32768
[ 271.137008][ T6556] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.144638][ T6556] CPU: 0 UID: 0 PID: 6556 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full)
[ 271.144666][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 271.144678][ T6556] Call Trace:
[ 271.144686][ T6556]
[ 271.144694][ T6556] dump_stack_lvl+0xe8/0x150
[ 271.144728][ T6556] sysfs_create_dir_ns+0x271/0x2a0
[ 271.144759][ T6556] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 271.144786][ T6556] ? do_raw_spin_unlock+0xf5/0x210
[ 271.144811][ T6556] kobject_add_internal+0x62b/0xd00
[ 271.144843][ T6556] kobject_init_and_add+0x12b/0x1a0
[ 271.144872][ T6556] ? __pfx_kobject_init_and_add+0x10/0x10
[ 271.144895][ T6556] ? __raw_spin_lock_init+0x45/0x100
[ 271.144917][ T6556] ? __init_swait_queue_head+0xa9/0x150
[ 271.144951][ T6556] gfs2_sys_fs_add+0x257/0x480
[ 271.144971][ T6556] ? is_dynamic_key+0x1ac/0x1c0
[ 271.144994][ T6556] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 271.145025][ T6556] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 271.145059][ T6556] gfs2_fill_super+0x13a7/0x21d0
[ 271.145104][ T6556] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.145135][ T6556] ? sb_set_blocksize+0x155/0x240
[ 271.145165][ T6556] ? setup_bdev_super+0x4c1/0x5b0
[ 271.145194][ T6556] get_tree_bdev_flags+0x431/0x4f0
[ 271.145214][ T6556] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.145238][ T6556] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 271.145254][ T6556] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 271.145293][ T6556] gfs2_get_tree+0x51/0x1e0
[ 271.145324][ T6556] vfs_get_tree+0x92/0x2a0
[ 271.145349][ T6556] do_new_mount+0x341/0xd30
[ 271.145372][ T6556] ? apparmor_capable+0x126/0x170
[ 271.145406][ T6556] ? __pfx_do_new_mount+0x10/0x10
[ 271.145430][ T6556] ? ns_capable+0x89/0xe0
[ 271.145465][ T6556] ? user_path_at+0xd4/0x160
[ 271.145497][ T6556] __se_sys_mount+0x31d/0x420
[ 271.145530][ T6556] ? __pfx___se_sys_mount+0x10/0x10
[ 271.145560][ T6556] ? __x64_sys_mount+0x20/0xc0
[ 271.145588][ T6556] do_syscall_64+0x14d/0xf80
[ 271.145607][ T6556] ? trace_irq_disable+0x3b/0x150
[ 271.145632][ T6556] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.145651][ T6556] ? clear_bhb_loop+0x40/0x90
[ 271.145675][ T6556] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.145693][ T6556] RIP: 0033:0x7f569159d20a
[ 271.145713][ T6556] 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
[ 271.145729][ T6556] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.145751][ T6556] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 271.145765][ T6556] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 271.145778][ T6556] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 271.145791][ T6556] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 271.145802][ T6556] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 271.145834][ T6556]
[ 271.448376][ T6556] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.462662][ T6556] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.956206][ T6559] loop1: detected capacity change from 0 to 32768
[ 271.975469][ T6559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.983262][ T6559] CPU: 0 UID: 0 PID: 6559 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full)
[ 271.983292][ T6559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 271.983303][ T6559] Call Trace:
[ 271.983311][ T6559]
[ 271.983320][ T6559] dump_stack_lvl+0xe8/0x150
[ 271.983354][ T6559] sysfs_create_dir_ns+0x271/0x2a0
[ 271.983385][ T6559] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 271.983411][ T6559] ? do_raw_spin_unlock+0xf5/0x210
[ 271.983438][ T6559] kobject_add_internal+0x62b/0xd00
[ 271.983470][ T6559] kobject_init_and_add+0x12b/0x1a0
[ 271.983499][ T6559] ? __pfx_kobject_init_and_add+0x10/0x10
[ 271.983522][ T6559] ? __raw_spin_lock_init+0x45/0x100
[ 271.983543][ T6559] ? __init_swait_queue_head+0xa9/0x150
[ 271.983565][ T6559] gfs2_sys_fs_add+0x257/0x480
[ 271.983588][ T6559] ? is_dynamic_key+0x1ac/0x1c0
[ 271.983610][ T6559] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 271.983639][ T6559] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 271.983683][ T6559] gfs2_fill_super+0x13a7/0x21d0
[ 271.983728][ T6559] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.983758][ T6559] ? sb_set_blocksize+0x155/0x240
[ 271.983784][ T6559] ? setup_bdev_super+0x4c1/0x5b0
[ 271.983807][ T6559] get_tree_bdev_flags+0x431/0x4f0
[ 271.983828][ T6559] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.983854][ T6559] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 271.983873][ T6559] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 271.983911][ T6559] gfs2_get_tree+0x51/0x1e0
[ 271.983941][ T6559] vfs_get_tree+0x92/0x2a0
[ 271.983965][ T6559] do_new_mount+0x341/0xd30
[ 271.983989][ T6559] ? apparmor_capable+0x126/0x170
[ 271.984020][ T6559] ? __pfx_do_new_mount+0x10/0x10
[ 271.984045][ T6559] ? ns_capable+0x89/0xe0
[ 271.984081][ T6559] ? user_path_at+0xd4/0x160
[ 271.984112][ T6559] __se_sys_mount+0x31d/0x420
[ 271.984159][ T6559] ? __pfx___se_sys_mount+0x10/0x10
[ 271.984190][ T6559] ? __x64_sys_mount+0x20/0xc0
[ 271.984217][ T6559] do_syscall_64+0x14d/0xf80
[ 271.984236][ T6559] ? trace_irq_disable+0x3b/0x150
[ 271.984260][ T6559] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.984281][ T6559] ? clear_bhb_loop+0x40/0x90
[ 271.984304][ T6559] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.984323][ T6559] RIP: 0033:0x7f569159d20a
[ 271.984343][ T6559] 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
[ 271.984361][ T6559] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.984383][ T6559] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 271.984397][ T6559] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 271.984410][ T6559] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 271.984423][ T6559] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 271.984435][ T6559] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 271.984468][ T6559]
[ 271.984497][ T6559] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.296186][ T6559] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/16 08:06:16 executed programs: 168
[ 272.656498][ T6562] loop1: detected capacity change from 0 to 32768
[ 272.679647][ T6562] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.687832][ T6562] CPU: 0 UID: 0 PID: 6562 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full)
[ 272.687860][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 272.687872][ T6562] Call Trace:
[ 272.687881][ T6562]
[ 272.687889][ T6562] dump_stack_lvl+0xe8/0x150
[ 272.687923][ T6562] sysfs_create_dir_ns+0x271/0x2a0
[ 272.687954][ T6562] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 272.687980][ T6562] ? do_raw_spin_unlock+0xf5/0x210
[ 272.688006][ T6562] kobject_add_internal+0x62b/0xd00
[ 272.688036][ T6562] kobject_init_and_add+0x12b/0x1a0
[ 272.688066][ T6562] ? __pfx_kobject_init_and_add+0x10/0x10
[ 272.688091][ T6562] ? __raw_spin_lock_init+0x45/0x100
[ 272.688113][ T6562] ? __init_swait_queue_head+0xa9/0x150
[ 272.688138][ T6562] gfs2_sys_fs_add+0x257/0x480
[ 272.688160][ T6562] ? is_dynamic_key+0x1ac/0x1c0
[ 272.688185][ T6562] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 272.688217][ T6562] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 272.688253][ T6562] gfs2_fill_super+0x13a7/0x21d0
[ 272.688297][ T6562] ? __pfx_gfs2_fill_super+0x10/0x10
[ 272.688329][ T6562] ? sb_set_blocksize+0x155/0x240
[ 272.688359][ T6562] ? setup_bdev_super+0x4c1/0x5b0
[ 272.688386][ T6562] get_tree_bdev_flags+0x431/0x4f0
[ 272.688407][ T6562] ? __pfx_gfs2_fill_super+0x10/0x10
[ 272.688433][ T6562] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 272.688451][ T6562] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 272.688491][ T6562] gfs2_get_tree+0x51/0x1e0
[ 272.688523][ T6562] vfs_get_tree+0x92/0x2a0
[ 272.688544][ T6562] do_new_mount+0x341/0xd30
[ 272.688569][ T6562] ? apparmor_capable+0x126/0x170
[ 272.688601][ T6562] ? __pfx_do_new_mount+0x10/0x10
[ 272.688626][ T6562] ? ns_capable+0x89/0xe0
[ 272.688663][ T6562] ? user_path_at+0xd4/0x160
[ 272.688695][ T6562] __se_sys_mount+0x31d/0x420
[ 272.688736][ T6562] ? __pfx___se_sys_mount+0x10/0x10
[ 272.688769][ T6562] ? __x64_sys_mount+0x20/0xc0
[ 272.688797][ T6562] do_syscall_64+0x14d/0xf80
[ 272.688815][ T6562] ? trace_irq_disable+0x3b/0x150
[ 272.688841][ T6562] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 272.688861][ T6562] ? clear_bhb_loop+0x40/0x90
[ 272.688885][ T6562] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 272.688904][ T6562] RIP: 0033:0x7f569159d20a
[ 272.688924][ T6562] 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
[ 272.688941][ T6562] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.688962][ T6562] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 272.688974][ T6562] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 272.688984][ T6562] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 272.688994][ T6562] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 272.689004][ T6562] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 272.689036][ T6562]
[ 272.689064][ T6562] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.998728][ T6562] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.360027][ T6565] loop1: detected capacity change from 0 to 32768
[ 273.374634][ T6565] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.383926][ T6565] CPU: 1 UID: 0 PID: 6565 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full)
[ 273.383964][ T6565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 273.383976][ T6565] Call Trace:
[ 273.383985][ T6565]
[ 273.383994][ T6565] dump_stack_lvl+0xe8/0x150
[ 273.384028][ T6565] sysfs_create_dir_ns+0x271/0x2a0
[ 273.384059][ T6565] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 273.384087][ T6565] ? do_raw_spin_unlock+0xf5/0x210
[ 273.384113][ T6565] kobject_add_internal+0x62b/0xd00
[ 273.384146][ T6565] kobject_init_and_add+0x12b/0x1a0
[ 273.384176][ T6565] ? __pfx_kobject_init_and_add+0x10/0x10
[ 273.384198][ T6565] ? __raw_spin_lock_init+0x45/0x100
[ 273.384218][ T6565] ? __init_swait_queue_head+0xa9/0x150
[ 273.384242][ T6565] gfs2_sys_fs_add+0x257/0x480
[ 273.384263][ T6565] ? is_dynamic_key+0x1ac/0x1c0
[ 273.384285][ T6565] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 273.384314][ T6565] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 273.384345][ T6565] gfs2_fill_super+0x13a7/0x21d0
[ 273.384387][ T6565] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.384419][ T6565] ? sb_set_blocksize+0x155/0x240
[ 273.384446][ T6565] ? setup_bdev_super+0x4c1/0x5b0
[ 273.384468][ T6565] get_tree_bdev_flags+0x431/0x4f0
[ 273.384488][ T6565] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.384513][ T6565] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 273.384530][ T6565] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 273.384570][ T6565] gfs2_get_tree+0x51/0x1e0
[ 273.384599][ T6565] vfs_get_tree+0x92/0x2a0
[ 273.384621][ T6565] do_new_mount+0x341/0xd30
[ 273.384643][ T6565] ? apparmor_capable+0x126/0x170
[ 273.384673][ T6565] ? __pfx_do_new_mount+0x10/0x10
[ 273.384697][ T6565] ? ns_capable+0x89/0xe0
[ 273.384730][ T6565] ? user_path_at+0xd4/0x160
[ 273.384759][ T6565] __se_sys_mount+0x31d/0x420
[ 273.384788][ T6565] ? __pfx___se_sys_mount+0x10/0x10
[ 273.384820][ T6565] ? __x64_sys_mount+0x20/0xc0
[ 273.384866][ T6565] do_syscall_64+0x14d/0xf80
[ 273.384886][ T6565] ? trace_irq_disable+0x3b/0x150
[ 273.384912][ T6565] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.384932][ T6565] ? clear_bhb_loop+0x40/0x90
[ 273.384979][ T6565] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.385007][ T6565] RIP: 0033:0x7f569159d20a
[ 273.385026][ T6565] 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
[ 273.385052][ T6565] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.385075][ T6565] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 273.385090][ T6565] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 273.385104][ T6565] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 273.385117][ T6565] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 273.385138][ T6565] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 273.385173][ T6565]
[ 273.686302][ T6565] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.702379][ T6565] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.088035][ T6568] loop1: detected capacity change from 0 to 32768
[ 274.101933][ T6568] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.110265][ T6568] CPU: 0 UID: 0 PID: 6568 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full)
[ 274.110290][ T6568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 274.110301][ T6568] Call Trace:
[ 274.110309][ T6568]
[ 274.110317][ T6568] dump_stack_lvl+0xe8/0x150
[ 274.110349][ T6568] sysfs_create_dir_ns+0x271/0x2a0
[ 274.110374][ T6568] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 274.110401][ T6568] ? do_raw_spin_unlock+0xf5/0x210
[ 274.110426][ T6568] kobject_add_internal+0x62b/0xd00
[ 274.110455][ T6568] kobject_init_and_add+0x12b/0x1a0
[ 274.110483][ T6568] ? __pfx_kobject_init_and_add+0x10/0x10
[ 274.110506][ T6568] ? __raw_spin_lock_init+0x45/0x100
[ 274.110527][ T6568] ? __init_swait_queue_head+0xa9/0x150
[ 274.110550][ T6568] gfs2_sys_fs_add+0x257/0x480
[ 274.110569][ T6568] ? is_dynamic_key+0x1ac/0x1c0
[ 274.110592][ T6568] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 274.110622][ T6568] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 274.110664][ T6568] gfs2_fill_super+0x13a7/0x21d0
[ 274.110706][ T6568] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.110734][ T6568] ? sb_set_blocksize+0x155/0x240
[ 274.110763][ T6568] ? setup_bdev_super+0x4c1/0x5b0
[ 274.110787][ T6568] get_tree_bdev_flags+0x431/0x4f0
[ 274.110809][ T6568] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.110834][ T6568] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 274.110853][ T6568] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 274.110889][ T6568] gfs2_get_tree+0x51/0x1e0
[ 274.110917][ T6568] vfs_get_tree+0x92/0x2a0
[ 274.110940][ T6568] do_new_mount+0x341/0xd30
[ 274.110963][ T6568] ? apparmor_capable+0x126/0x170
[ 274.110995][ T6568] ? __pfx_do_new_mount+0x10/0x10
[ 274.111020][ T6568] ? ns_capable+0x89/0xe0
[ 274.111053][ T6568] ? user_path_at+0xd4/0x160
[ 274.111085][ T6568] __se_sys_mount+0x31d/0x420
[ 274.111116][ T6568] ? __pfx___se_sys_mount+0x10/0x10
[ 274.111147][ T6568] ? __x64_sys_mount+0x20/0xc0
[ 274.111175][ T6568] do_syscall_64+0x14d/0xf80
[ 274.111193][ T6568] ? trace_irq_disable+0x3b/0x150
[ 274.111218][ T6568] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.111237][ T6568] ? clear_bhb_loop+0x40/0x90
[ 274.111261][ T6568] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.111280][ T6568] RIP: 0033:0x7f569159d20a
[ 274.111300][ T6568] 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
[ 274.111318][ T6568] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.111339][ T6568] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 274.111354][ T6568] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 274.111368][ T6568] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 274.111381][ T6568] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 274.111393][ T6568] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 274.111425][ T6568]
[ 274.111587][ T6568] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.420147][ T6568] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.759031][ T6571] loop1: detected capacity change from 0 to 32768
[ 274.774077][ T6571] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.782690][ T6571] CPU: 1 UID: 0 PID: 6571 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full)
[ 274.782717][ T6571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 274.782729][ T6571] Call Trace:
[ 274.782738][ T6571]
[ 274.782746][ T6571] dump_stack_lvl+0xe8/0x150
[ 274.782780][ T6571] sysfs_create_dir_ns+0x271/0x2a0
[ 274.782811][ T6571] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 274.782838][ T6571] ? do_raw_spin_unlock+0xf5/0x210
[ 274.782873][ T6571] kobject_add_internal+0x62b/0xd00
[ 274.782904][ T6571] kobject_init_and_add+0x12b/0x1a0
[ 274.782932][ T6571] ? __pfx_kobject_init_and_add+0x10/0x10
[ 274.782954][ T6571] ? __raw_spin_lock_init+0x45/0x100
[ 274.782976][ T6571] ? __init_swait_queue_head+0xa9/0x150
[ 274.782996][ T6571] gfs2_sys_fs_add+0x257/0x480
[ 274.783018][ T6571] ? is_dynamic_key+0x1ac/0x1c0
[ 274.783043][ T6571] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 274.783070][ T6571] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 274.783101][ T6571] gfs2_fill_super+0x13a7/0x21d0
[ 274.783143][ T6571] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.783176][ T6571] ? sb_set_blocksize+0x155/0x240
[ 274.783206][ T6571] ? setup_bdev_super+0x4c1/0x5b0
[ 274.783232][ T6571] get_tree_bdev_flags+0x431/0x4f0
[ 274.783253][ T6571] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.783278][ T6571] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 274.783296][ T6571] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 274.783336][ T6571] gfs2_get_tree+0x51/0x1e0
[ 274.783368][ T6571] vfs_get_tree+0x92/0x2a0
[ 274.783391][ T6571] do_new_mount+0x341/0xd30
[ 274.783412][ T6571] ? apparmor_capable+0x126/0x170
[ 274.783445][ T6571] ? __pfx_do_new_mount+0x10/0x10
[ 274.783470][ T6571] ? ns_capable+0x89/0xe0
[ 274.783506][ T6571] ? user_path_at+0xd4/0x160
[ 274.783537][ T6571] __se_sys_mount+0x31d/0x420
[ 274.783569][ T6571] ? __pfx___se_sys_mount+0x10/0x10
[ 274.783600][ T6571] ? __x64_sys_mount+0x20/0xc0
[ 274.783626][ T6571] do_syscall_64+0x14d/0xf80
[ 274.783645][ T6571] ? trace_irq_disable+0x3b/0x150
[ 274.783670][ T6571] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.783690][ T6571] ? clear_bhb_loop+0x40/0x90
[ 274.783714][ T6571] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.783733][ T6571] RIP: 0033:0x7f569159d20a
[ 274.783753][ T6571] 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
[ 274.783770][ T6571] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.783793][ T6571] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 274.783807][ T6571] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 274.783820][ T6571] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 274.783853][ T6571] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 274.783885][ T6571] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 274.783919][ T6571]
[ 274.783957][ T6571] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.095275][ T6571] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.431674][ T6574] loop1: detected capacity change from 0 to 32768
[ 275.446636][ T6574] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.454338][ T6574] CPU: 1 UID: 0 PID: 6574 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full)
[ 275.454357][ T6574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 275.454364][ T6574] Call Trace:
[ 275.454371][ T6574]
[ 275.454377][ T6574] dump_stack_lvl+0xe8/0x150
[ 275.454399][ T6574] sysfs_create_dir_ns+0x271/0x2a0
[ 275.454417][ T6574] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 275.454433][ T6574] ? do_raw_spin_unlock+0xf5/0x210
[ 275.454448][ T6574] kobject_add_internal+0x62b/0xd00
[ 275.454468][ T6574] kobject_init_and_add+0x12b/0x1a0
[ 275.454484][ T6574] ? __pfx_kobject_init_and_add+0x10/0x10
[ 275.454498][ T6574] ? __raw_spin_lock_init+0x45/0x100
[ 275.454511][ T6574] ? __init_swait_queue_head+0xa9/0x150
[ 275.454525][ T6574] gfs2_sys_fs_add+0x257/0x480
[ 275.454538][ T6574] ? is_dynamic_key+0x1ac/0x1c0
[ 275.454553][ T6574] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 275.454571][ T6574] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 275.454591][ T6574] gfs2_fill_super+0x13a7/0x21d0
[ 275.454615][ T6574] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.454634][ T6574] ? sb_set_blocksize+0x155/0x240
[ 275.454652][ T6574] ? setup_bdev_super+0x4c1/0x5b0
[ 275.454666][ T6574] get_tree_bdev_flags+0x431/0x4f0
[ 275.454679][ T6574] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.454778][ T6574] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 275.454789][ T6574] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 275.454812][ T6574] gfs2_get_tree+0x51/0x1e0
[ 275.454830][ T6574] vfs_get_tree+0x92/0x2a0
[ 275.454843][ T6574] do_new_mount+0x341/0xd30
[ 275.454858][ T6574] ? apparmor_capable+0x126/0x170
[ 275.454876][ T6574] ? __pfx_do_new_mount+0x10/0x10
[ 275.454891][ T6574] ? ns_capable+0x89/0xe0
[ 275.454912][ T6574] ? user_path_at+0xd4/0x160
[ 275.454931][ T6574] __se_sys_mount+0x31d/0x420
[ 275.454952][ T6574] ? __pfx___se_sys_mount+0x10/0x10
[ 275.454971][ T6574] ? __x64_sys_mount+0x20/0xc0
[ 275.454987][ T6574] do_syscall_64+0x14d/0xf80
[ 275.454998][ T6574] ? trace_irq_disable+0x3b/0x150
[ 275.455014][ T6574] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.455026][ T6574] ? clear_bhb_loop+0x40/0x90
[ 275.455040][ T6574] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.455051][ T6574] RIP: 0033:0x7f569159d20a
[ 275.455065][ T6574] 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
[ 275.455075][ T6574] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.455089][ T6574] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 275.455098][ T6574] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 275.455106][ T6574] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 275.455113][ T6574] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 275.455121][ T6574] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 275.455139][ T6574]
[ 275.455159][ T6574] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.766190][ T6574] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.114308][ T6577] loop1: detected capacity change from 0 to 32768
[ 276.138940][ T6577] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.148101][ T6577] CPU: 0 UID: 0 PID: 6577 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full)
[ 276.148131][ T6577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 276.148143][ T6577] Call Trace:
[ 276.148152][ T6577]
[ 276.148160][ T6577] dump_stack_lvl+0xe8/0x150
[ 276.148194][ T6577] sysfs_create_dir_ns+0x271/0x2a0
[ 276.148224][ T6577] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 276.148252][ T6577] ? do_raw_spin_unlock+0xf5/0x210
[ 276.148279][ T6577] kobject_add_internal+0x62b/0xd00
[ 276.148311][ T6577] kobject_init_and_add+0x12b/0x1a0
[ 276.148339][ T6577] ? __pfx_kobject_init_and_add+0x10/0x10
[ 276.148364][ T6577] ? __raw_spin_lock_init+0x45/0x100
[ 276.148387][ T6577] ? __init_swait_queue_head+0xa9/0x150
[ 276.148411][ T6577] gfs2_sys_fs_add+0x257/0x480
[ 276.148433][ T6577] ? is_dynamic_key+0x1ac/0x1c0
[ 276.148457][ T6577] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 276.148489][ T6577] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 276.148524][ T6577] gfs2_fill_super+0x13a7/0x21d0
[ 276.148567][ T6577] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.148599][ T6577] ? sb_set_blocksize+0x155/0x240
[ 276.148629][ T6577] ? setup_bdev_super+0x4c1/0x5b0
[ 276.148653][ T6577] get_tree_bdev_flags+0x431/0x4f0
[ 276.148676][ T6577] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.148714][ T6577] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 276.148734][ T6577] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 276.148775][ T6577] gfs2_get_tree+0x51/0x1e0
[ 276.148806][ T6577] vfs_get_tree+0x92/0x2a0
[ 276.148830][ T6577] do_new_mount+0x341/0xd30
[ 276.148854][ T6577] ? apparmor_capable+0x126/0x170
[ 276.148886][ T6577] ? __pfx_do_new_mount+0x10/0x10
[ 276.148912][ T6577] ? ns_capable+0x89/0xe0
[ 276.148947][ T6577] ? user_path_at+0xd4/0x160
[ 276.148978][ T6577] __se_sys_mount+0x31d/0x420
[ 276.149009][ T6577] ? __pfx___se_sys_mount+0x10/0x10
[ 276.149041][ T6577] ? __x64_sys_mount+0x20/0xc0
[ 276.149069][ T6577] do_syscall_64+0x14d/0xf80
[ 276.149087][ T6577] ? trace_irq_disable+0x3b/0x150
[ 276.149113][ T6577] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.149133][ T6577] ? clear_bhb_loop+0x40/0x90
[ 276.149156][ T6577] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.149176][ T6577] RIP: 0033:0x7f569159d20a
[ 276.149196][ T6577] 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
[ 276.149213][ T6577] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.149234][ T6577] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 276.149249][ T6577] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 276.149262][ T6577] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 276.149275][ T6577] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 276.149287][ T6577] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 276.149322][ T6577]
[ 276.149350][ T6577] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.465659][ T6577] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.824417][ T6580] loop1: detected capacity change from 0 to 32768
[ 276.838135][ T6580] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.855288][ T6580] CPU: 1 UID: 0 PID: 6580 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full)
[ 276.855317][ T6580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 276.855329][ T6580] Call Trace:
[ 276.855338][ T6580]
[ 276.855347][ T6580] dump_stack_lvl+0xe8/0x150
[ 276.855381][ T6580] sysfs_create_dir_ns+0x271/0x2a0
[ 276.855410][ T6580] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 276.855435][ T6580] ? do_raw_spin_unlock+0xf5/0x210
[ 276.855459][ T6580] kobject_add_internal+0x62b/0xd00
[ 276.855491][ T6580] kobject_init_and_add+0x12b/0x1a0
[ 276.855521][ T6580] ? __pfx_kobject_init_and_add+0x10/0x10
[ 276.855545][ T6580] ? __raw_spin_lock_init+0x45/0x100
[ 276.855568][ T6580] ? __init_swait_queue_head+0xa9/0x150
[ 276.855592][ T6580] gfs2_sys_fs_add+0x257/0x480
[ 276.855614][ T6580] ? is_dynamic_key+0x1ac/0x1c0
[ 276.855640][ T6580] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 276.855672][ T6580] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 276.855717][ T6580] gfs2_fill_super+0x13a7/0x21d0
[ 276.855763][ T6580] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.855795][ T6580] ? sb_set_blocksize+0x155/0x240
[ 276.855826][ T6580] ? setup_bdev_super+0x4c1/0x5b0
[ 276.855851][ T6580] get_tree_bdev_flags+0x431/0x4f0
[ 276.855874][ T6580] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.855900][ T6580] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 276.855918][ T6580] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 276.855956][ T6580] gfs2_get_tree+0x51/0x1e0
[ 276.855985][ T6580] vfs_get_tree+0x92/0x2a0
[ 276.856008][ T6580] do_new_mount+0x341/0xd30
[ 276.856031][ T6580] ? apparmor_capable+0x126/0x170
[ 276.856063][ T6580] ? __pfx_do_new_mount+0x10/0x10
[ 276.856089][ T6580] ? ns_capable+0x89/0xe0
[ 276.856125][ T6580] ? user_path_at+0xd4/0x160
[ 276.856156][ T6580] __se_sys_mount+0x31d/0x420
[ 276.856189][ T6580] ? __pfx___se_sys_mount+0x10/0x10
[ 276.856220][ T6580] ? __x64_sys_mount+0x20/0xc0
[ 276.856248][ T6580] do_syscall_64+0x14d/0xf80
[ 276.856267][ T6580] ? trace_irq_disable+0x3b/0x150
[ 276.856294][ T6580] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.856311][ T6580] ? clear_bhb_loop+0x40/0x90
[ 276.856335][ T6580] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.856354][ T6580] RIP: 0033:0x7f569159d20a
[ 276.856374][ T6580] 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
[ 276.856391][ T6580] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.856412][ T6580] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 276.856426][ T6580] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 276.856439][ T6580] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 276.856451][ T6580] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 276.856464][ T6580] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 276.856495][ T6580]
[ 276.856524][ T6580] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.170619][ T6580] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.540528][ T6583] loop1: detected capacity change from 0 to 32768
[ 277.556528][ T6583] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.564580][ T6583] CPU: 1 UID: 0 PID: 6583 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full)
[ 277.564599][ T6583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 277.564607][ T6583] Call Trace:
[ 277.564613][ T6583]
[ 277.564618][ T6583] dump_stack_lvl+0xe8/0x150
[ 277.564640][ T6583] sysfs_create_dir_ns+0x271/0x2a0
[ 277.564659][ T6583] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 277.564675][ T6583] ? do_raw_spin_unlock+0xf5/0x210
[ 277.564690][ T6583] kobject_add_internal+0x62b/0xd00
[ 277.564709][ T6583] kobject_init_and_add+0x12b/0x1a0
[ 277.564725][ T6583] ? __pfx_kobject_init_and_add+0x10/0x10
[ 277.564739][ T6583] ? __raw_spin_lock_init+0x45/0x100
[ 277.564752][ T6583] ? __init_swait_queue_head+0xa9/0x150
[ 277.564767][ T6583] gfs2_sys_fs_add+0x257/0x480
[ 277.564780][ T6583] ? is_dynamic_key+0x1ac/0x1c0
[ 277.564795][ T6583] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 277.564812][ T6583] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 277.564832][ T6583] gfs2_fill_super+0x13a7/0x21d0
[ 277.564857][ T6583] ? __pfx_gfs2_fill_super+0x10/0x10
[ 277.564875][ T6583] ? sb_set_blocksize+0x155/0x240
[ 277.564895][ T6583] ? setup_bdev_super+0x4c1/0x5b0
[ 277.564917][ T6583] get_tree_bdev_flags+0x431/0x4f0
[ 277.564930][ T6583] ? __pfx_gfs2_fill_super+0x10/0x10
[ 277.564946][ T6583] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 277.564957][ T6583] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 277.564980][ T6583] gfs2_get_tree+0x51/0x1e0
[ 277.564998][ T6583] vfs_get_tree+0x92/0x2a0
[ 277.565011][ T6583] do_new_mount+0x341/0xd30
[ 277.565025][ T6583] ? apparmor_capable+0x126/0x170
[ 277.565044][ T6583] ? __pfx_do_new_mount+0x10/0x10
[ 277.565059][ T6583] ? ns_capable+0x89/0xe0
[ 277.565079][ T6583] ? user_path_at+0xd4/0x160
[ 277.565097][ T6583] __se_sys_mount+0x31d/0x420
[ 277.565115][ T6583] ? __pfx___se_sys_mount+0x10/0x10
[ 277.565134][ T6583] ? __x64_sys_mount+0x20/0xc0
[ 277.565150][ T6583] do_syscall_64+0x14d/0xf80
[ 277.565161][ T6583] ? trace_irq_disable+0x3b/0x150
[ 277.565190][ T6583] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 277.565208][ T6583] ? clear_bhb_loop+0x40/0x90
[ 277.565229][ T6583] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 277.565247][ T6583] RIP: 0033:0x7f569159d20a
[ 277.565266][ T6583] 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
[ 277.565282][ T6583] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.565302][ T6583] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 277.565314][ T6583] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 277.565326][ T6583] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 277.565338][ T6583] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 277.565350][ T6583] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 277.565382][ T6583]
[ 277.860509][ T6583] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.875505][ T6583] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/16 08:06:21 executed programs: 176
[ 278.252799][ T6586] loop1: detected capacity change from 0 to 32768
[ 278.264426][ T6586] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.279856][ T6586] CPU: 1 UID: 0 PID: 6586 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full)
[ 278.279883][ T6586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 278.279895][ T6586] Call Trace:
[ 278.279904][ T6586]
[ 278.279913][ T6586] dump_stack_lvl+0xe8/0x150
[ 278.279946][ T6586] sysfs_create_dir_ns+0x271/0x2a0
[ 278.279976][ T6586] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 278.280005][ T6586] ? do_raw_spin_unlock+0xf5/0x210
[ 278.280031][ T6586] kobject_add_internal+0x62b/0xd00
[ 278.280063][ T6586] kobject_init_and_add+0x12b/0x1a0
[ 278.280092][ T6586] ? __pfx_kobject_init_and_add+0x10/0x10
[ 278.280117][ T6586] ? __raw_spin_lock_init+0x45/0x100
[ 278.280139][ T6586] ? __init_swait_queue_head+0xa9/0x150
[ 278.280162][ T6586] gfs2_sys_fs_add+0x257/0x480
[ 278.280185][ T6586] ? is_dynamic_key+0x1ac/0x1c0
[ 278.280210][ T6586] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 278.280242][ T6586] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 278.280276][ T6586] gfs2_fill_super+0x13a7/0x21d0
[ 278.280320][ T6586] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.280352][ T6586] ? sb_set_blocksize+0x155/0x240
[ 278.280382][ T6586] ? setup_bdev_super+0x4c1/0x5b0
[ 278.280406][ T6586] get_tree_bdev_flags+0x431/0x4f0
[ 278.280429][ T6586] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.280454][ T6586] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.280473][ T6586] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.280514][ T6586] gfs2_get_tree+0x51/0x1e0
[ 278.280545][ T6586] vfs_get_tree+0x92/0x2a0
[ 278.280569][ T6586] do_new_mount+0x341/0xd30
[ 278.280593][ T6586] ? apparmor_capable+0x126/0x170
[ 278.280642][ T6586] ? __pfx_do_new_mount+0x10/0x10
[ 278.280668][ T6586] ? ns_capable+0x89/0xe0
[ 278.280705][ T6586] ? user_path_at+0xd4/0x160
[ 278.280735][ T6586] __se_sys_mount+0x31d/0x420
[ 278.280767][ T6586] ? __pfx___se_sys_mount+0x10/0x10
[ 278.280799][ T6586] ? __x64_sys_mount+0x20/0xc0
[ 278.280827][ T6586] do_syscall_64+0x14d/0xf80
[ 278.280847][ T6586] ? trace_irq_disable+0x3b/0x150
[ 278.280871][ T6586] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.280891][ T6586] ? clear_bhb_loop+0x40/0x90
[ 278.280915][ T6586] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.280935][ T6586] RIP: 0033:0x7f569159d20a
[ 278.280955][ T6586] 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
[ 278.280971][ T6586] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.280993][ T6586] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 278.281008][ T6586] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 278.281021][ T6586] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 278.281034][ T6586] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 278.281047][ T6586] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 278.281078][ T6586]
[ 278.281107][ T6586] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.448091][ T51] Bluetooth: hci1: command 0x0406 tx timeout
[ 278.453746][ T6586] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.956930][ T6589] loop1: detected capacity change from 0 to 32768
[ 278.976153][ T6589] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.983850][ T6589] CPU: 1 UID: 0 PID: 6589 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full)
[ 278.983873][ T6589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 278.983884][ T6589] Call Trace:
[ 278.983892][ T6589]
[ 278.983899][ T6589] dump_stack_lvl+0xe8/0x150
[ 278.983929][ T6589] sysfs_create_dir_ns+0x271/0x2a0
[ 278.983956][ T6589] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 278.983976][ T6589] ? do_raw_spin_unlock+0xf5/0x210
[ 278.983991][ T6589] kobject_add_internal+0x62b/0xd00
[ 278.984010][ T6589] kobject_init_and_add+0x12b/0x1a0
[ 278.984026][ T6589] ? __pfx_kobject_init_and_add+0x10/0x10
[ 278.984040][ T6589] ? __raw_spin_lock_init+0x45/0x100
[ 278.984053][ T6589] ? __init_swait_queue_head+0xa9/0x150
[ 278.984067][ T6589] gfs2_sys_fs_add+0x257/0x480
[ 278.984080][ T6589] ? is_dynamic_key+0x1ac/0x1c0
[ 278.984094][ T6589] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 278.984112][ T6589] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 278.984131][ T6589] gfs2_fill_super+0x13a7/0x21d0
[ 278.984155][ T6589] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.984174][ T6589] ? sb_set_blocksize+0x155/0x240
[ 278.984191][ T6589] ? setup_bdev_super+0x4c1/0x5b0
[ 278.984206][ T6589] get_tree_bdev_flags+0x431/0x4f0
[ 278.984222][ T6589] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.984237][ T6589] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.984248][ T6589] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.984271][ T6589] gfs2_get_tree+0x51/0x1e0
[ 278.984288][ T6589] vfs_get_tree+0x92/0x2a0
[ 278.984302][ T6589] do_new_mount+0x341/0xd30
[ 278.984317][ T6589] ? apparmor_capable+0x126/0x170
[ 278.984336][ T6589] ? __pfx_do_new_mount+0x10/0x10
[ 278.984351][ T6589] ? ns_capable+0x89/0xe0
[ 278.984372][ T6589] ? user_path_at+0xd4/0x160
[ 278.984389][ T6589] __se_sys_mount+0x31d/0x420
[ 278.984416][ T6589] ? __pfx___se_sys_mount+0x10/0x10
[ 278.984435][ T6589] ? __x64_sys_mount+0x20/0xc0
[ 278.984451][ T6589] do_syscall_64+0x14d/0xf80
[ 278.984462][ T6589] ? trace_irq_disable+0x3b/0x150
[ 278.984478][ T6589] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.984490][ T6589] ? clear_bhb_loop+0x40/0x90
[ 278.984504][ T6589] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.984515][ T6589] RIP: 0033:0x7f569159d20a
[ 278.984528][ T6589] 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
[ 278.984538][ T6589] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.984552][ T6589] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 278.984561][ T6589] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 278.984568][ T6589] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 278.984576][ T6589] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 278.984583][ T6589] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 278.984601][ T6589]
[ 278.984617][ T6589] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.299387][ T6589] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.657338][ T6592] loop1: detected capacity change from 0 to 32768
[ 279.676217][ T6592] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.683684][ T6592] CPU: 0 UID: 0 PID: 6592 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full)
[ 279.683713][ T6592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 279.683726][ T6592] Call Trace:
[ 279.683734][ T6592]
[ 279.683743][ T6592] dump_stack_lvl+0xe8/0x150
[ 279.683777][ T6592] sysfs_create_dir_ns+0x271/0x2a0
[ 279.683806][ T6592] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 279.683835][ T6592] ? do_raw_spin_unlock+0xf5/0x210
[ 279.683877][ T6592] kobject_add_internal+0x62b/0xd00
[ 279.683910][ T6592] kobject_init_and_add+0x12b/0x1a0
[ 279.683938][ T6592] ? __pfx_kobject_init_and_add+0x10/0x10
[ 279.683962][ T6592] ? __raw_spin_lock_init+0x45/0x100
[ 279.683984][ T6592] ? __init_swait_queue_head+0xa9/0x150
[ 279.684007][ T6592] gfs2_sys_fs_add+0x257/0x480
[ 279.684029][ T6592] ? is_dynamic_key+0x1ac/0x1c0
[ 279.684053][ T6592] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 279.684084][ T6592] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 279.684119][ T6592] gfs2_fill_super+0x13a7/0x21d0
[ 279.684161][ T6592] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.684193][ T6592] ? sb_set_blocksize+0x155/0x240
[ 279.684223][ T6592] ? setup_bdev_super+0x4c1/0x5b0
[ 279.684246][ T6592] get_tree_bdev_flags+0x431/0x4f0
[ 279.684266][ T6592] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.684292][ T6592] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 279.684311][ T6592] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 279.684351][ T6592] gfs2_get_tree+0x51/0x1e0
[ 279.684381][ T6592] vfs_get_tree+0x92/0x2a0
[ 279.684404][ T6592] do_new_mount+0x341/0xd30
[ 279.684428][ T6592] ? apparmor_capable+0x126/0x170
[ 279.684459][ T6592] ? __pfx_do_new_mount+0x10/0x10
[ 279.684484][ T6592] ? ns_capable+0x89/0xe0
[ 279.684521][ T6592] ? user_path_at+0xd4/0x160
[ 279.684550][ T6592] __se_sys_mount+0x31d/0x420
[ 279.684581][ T6592] ? __pfx___se_sys_mount+0x10/0x10
[ 279.684613][ T6592] ? __x64_sys_mount+0x20/0xc0
[ 279.684640][ T6592] do_syscall_64+0x14d/0xf80
[ 279.684658][ T6592] ? trace_irq_disable+0x3b/0x150
[ 279.684694][ T6592] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.684714][ T6592] ? clear_bhb_loop+0x40/0x90
[ 279.684736][ T6592] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.684755][ T6592] RIP: 0033:0x7f569159d20a
[ 279.684775][ T6592] 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
[ 279.684791][ T6592] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.684813][ T6592] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 279.684827][ T6592] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 279.684839][ T6592] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 279.684851][ T6592] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 279.684863][ T6592] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 279.684894][ T6592]
[ 279.684921][ T6592] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.996739][ T6592] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 280.343533][ T6595] loop1: detected capacity change from 0 to 32768
[ 280.361828][ T6595] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 280.370080][ T6595] CPU: 0 UID: 0 PID: 6595 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full)
[ 280.370109][ T6595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 280.370120][ T6595] Call Trace:
[ 280.370128][ T6595]
[ 280.370137][ T6595] dump_stack_lvl+0xe8/0x150
[ 280.370171][ T6595] sysfs_create_dir_ns+0x271/0x2a0
[ 280.370202][ T6595] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 280.370228][ T6595] ? do_raw_spin_unlock+0xf5/0x210
[ 280.370254][ T6595] kobject_add_internal+0x62b/0xd00
[ 280.370294][ T6595] kobject_init_and_add+0x12b/0x1a0
[ 280.370320][ T6595] ? __pfx_kobject_init_and_add+0x10/0x10
[ 280.370340][ T6595] ? __raw_spin_lock_init+0x45/0x100
[ 280.370361][ T6595] ? __init_swait_queue_head+0xa9/0x150
[ 280.370385][ T6595] gfs2_sys_fs_add+0x257/0x480
[ 280.370406][ T6595] ? is_dynamic_key+0x1ac/0x1c0
[ 280.370431][ T6595] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 280.370461][ T6595] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 280.370496][ T6595] gfs2_fill_super+0x13a7/0x21d0
[ 280.370540][ T6595] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.370584][ T6595] ? sb_set_blocksize+0x155/0x240
[ 280.370616][ T6595] ? setup_bdev_super+0x4c1/0x5b0
[ 280.370640][ T6595] get_tree_bdev_flags+0x431/0x4f0
[ 280.370662][ T6595] ? __pfx_gfs2_fill_super+0x10/0x10
[ 280.370686][ T6595] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 280.370705][ T6595] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 280.370747][ T6595] gfs2_get_tree+0x51/0x1e0
[ 280.370777][ T6595] vfs_get_tree+0x92/0x2a0
[ 280.370801][ T6595] do_new_mount+0x341/0xd30
[ 280.370823][ T6595] ? apparmor_capable+0x126/0x170
[ 280.370856][ T6595] ? __pfx_do_new_mount+0x10/0x10
[ 280.370880][ T6595] ? ns_capable+0x89/0xe0
[ 280.370916][ T6595] ? user_path_at+0xd4/0x160
[ 280.370947][ T6595] __se_sys_mount+0x31d/0x420
[ 280.370979][ T6595] ? __pfx___se_sys_mount+0x10/0x10
[ 280.371009][ T6595] ? __x64_sys_mount+0x20/0xc0
[ 280.371035][ T6595] do_syscall_64+0x14d/0xf80
[ 280.371054][ T6595] ? trace_irq_disable+0x3b/0x150
[ 280.371080][ T6595] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.371099][ T6595] ? clear_bhb_loop+0x40/0x90
[ 280.371122][ T6595] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 280.371142][ T6595] RIP: 0033:0x7f569159d20a
[ 280.371162][ T6595] 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
[ 280.371178][ T6595] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 280.371199][ T6595] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 280.371213][ T6595] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 280.371226][ T6595] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 280.371238][ T6595] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 280.371249][ T6595] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 280.371282][ T6595]
[ 280.371308][ T6595] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 280.678973][ T6595] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.031032][ T6598] loop1: detected capacity change from 0 to 32768
[ 281.045695][ T6598] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.053390][ T6598] CPU: 0 UID: 0 PID: 6598 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full)
[ 281.053412][ T6598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 281.053421][ T6598] Call Trace:
[ 281.053428][ T6598]
[ 281.053434][ T6598] dump_stack_lvl+0xe8/0x150
[ 281.053457][ T6598] sysfs_create_dir_ns+0x271/0x2a0
[ 281.053475][ T6598] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.053491][ T6598] ? do_raw_spin_unlock+0xf5/0x210
[ 281.053507][ T6598] kobject_add_internal+0x62b/0xd00
[ 281.053527][ T6598] kobject_init_and_add+0x12b/0x1a0
[ 281.053543][ T6598] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.053557][ T6598] ? __raw_spin_lock_init+0x45/0x100
[ 281.053570][ T6598] ? __init_swait_queue_head+0xa9/0x150
[ 281.053584][ T6598] gfs2_sys_fs_add+0x257/0x480
[ 281.053597][ T6598] ? is_dynamic_key+0x1ac/0x1c0
[ 281.053612][ T6598] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.053661][ T6598] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.053681][ T6598] gfs2_fill_super+0x13a7/0x21d0
[ 281.053706][ T6598] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.053725][ T6598] ? sb_set_blocksize+0x155/0x240
[ 281.053743][ T6598] ? setup_bdev_super+0x4c1/0x5b0
[ 281.053757][ T6598] get_tree_bdev_flags+0x431/0x4f0
[ 281.053770][ T6598] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.053785][ T6598] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.053796][ T6598] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 281.053819][ T6598] gfs2_get_tree+0x51/0x1e0
[ 281.053838][ T6598] vfs_get_tree+0x92/0x2a0
[ 281.053851][ T6598] do_new_mount+0x341/0xd30
[ 281.053866][ T6598] ? apparmor_capable+0x126/0x170
[ 281.053887][ T6598] ? __pfx_do_new_mount+0x10/0x10
[ 281.053902][ T6598] ? ns_capable+0x89/0xe0
[ 281.053923][ T6598] ? user_path_at+0xd4/0x160
[ 281.053941][ T6598] __se_sys_mount+0x31d/0x420
[ 281.053959][ T6598] ? __pfx___se_sys_mount+0x10/0x10
[ 281.053978][ T6598] ? __x64_sys_mount+0x20/0xc0
[ 281.053996][ T6598] do_syscall_64+0x14d/0xf80
[ 281.054009][ T6598] ? trace_irq_disable+0x3b/0x150
[ 281.054025][ T6598] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.054036][ T6598] ? clear_bhb_loop+0x40/0x90
[ 281.054050][ T6598] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.054061][ T6598] RIP: 0033:0x7f569159d20a
[ 281.054075][ T6598] 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
[ 281.054085][ T6598] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.054099][ T6598] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 281.054108][ T6598] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 281.054116][ T6598] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 281.054123][ T6598] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 281.054131][ T6598] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 281.054149][ T6598]
[ 281.054171][ T6598] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 281.363830][ T6598] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 281.730891][ T6601] loop1: detected capacity change from 0 to 32768
[ 281.748667][ T6601] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 281.765280][ T6601] CPU: 1 UID: 0 PID: 6601 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full)
[ 281.765309][ T6601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 281.765321][ T6601] Call Trace:
[ 281.765329][ T6601]
[ 281.765338][ T6601] dump_stack_lvl+0xe8/0x150
[ 281.765372][ T6601] sysfs_create_dir_ns+0x271/0x2a0
[ 281.765401][ T6601] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 281.765451][ T6601] ? do_raw_spin_unlock+0xf5/0x210
[ 281.765476][ T6601] kobject_add_internal+0x62b/0xd00
[ 281.765508][ T6601] kobject_init_and_add+0x12b/0x1a0
[ 281.765537][ T6601] ? __pfx_kobject_init_and_add+0x10/0x10
[ 281.765561][ T6601] ? __raw_spin_lock_init+0x45/0x100
[ 281.765583][ T6601] ? __init_swait_queue_head+0xa9/0x150
[ 281.765607][ T6601] gfs2_sys_fs_add+0x257/0x480
[ 281.765626][ T6601] ? is_dynamic_key+0x1ac/0x1c0
[ 281.765650][ T6601] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 281.765680][ T6601] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 281.765716][ T6601] gfs2_fill_super+0x13a7/0x21d0
[ 281.765761][ T6601] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.765793][ T6601] ? sb_set_blocksize+0x155/0x240
[ 281.765822][ T6601] ? setup_bdev_super+0x4c1/0x5b0
[ 281.765847][ T6601] get_tree_bdev_flags+0x431/0x4f0
[ 281.765878][ T6601] ? __pfx_gfs2_fill_super+0x10/0x10
[ 281.765905][ T6601] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 281.765922][ T6601] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 281.765961][ T6601] gfs2_get_tree+0x51/0x1e0
[ 281.765991][ T6601] vfs_get_tree+0x92/0x2a0
[ 281.766014][ T6601] do_new_mount+0x341/0xd30
[ 281.766038][ T6601] ? apparmor_capable+0x126/0x170
[ 281.766071][ T6601] ? __pfx_do_new_mount+0x10/0x10
[ 281.766095][ T6601] ? ns_capable+0x89/0xe0
[ 281.766131][ T6601] ? user_path_at+0xd4/0x160
[ 281.766162][ T6601] __se_sys_mount+0x31d/0x420
[ 281.766194][ T6601] ? __pfx___se_sys_mount+0x10/0x10
[ 281.766225][ T6601] ? __x64_sys_mount+0x20/0xc0
[ 281.766254][ T6601] do_syscall_64+0x14d/0xf80
[ 281.766273][ T6601] ? trace_irq_disable+0x3b/0x150
[ 281.766298][ T6601] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.766318][ T6601] ? clear_bhb_loop+0x40/0x90
[ 281.766342][ T6601] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 281.766361][ T6601] RIP: 0033:0x7f569159d20a
[ 281.766381][ T6601] 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
[ 281.766397][ T6601] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 281.766420][ T6601] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 281.766434][ T6601] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 281.766447][ T6601] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 281.766460][ T6601] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 281.766473][ T6601] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 281.766503][ T6601]
[ 281.766532][ T6601] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.076558][ T6601] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 282.434018][ T6604] loop1: detected capacity change from 0 to 32768
[ 282.453490][ T6604] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 282.461634][ T6604] CPU: 1 UID: 0 PID: 6604 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full)
[ 282.461660][ T6604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 282.461672][ T6604] Call Trace:
[ 282.461679][ T6604]
[ 282.461688][ T6604] dump_stack_lvl+0xe8/0x150
[ 282.461723][ T6604] sysfs_create_dir_ns+0x271/0x2a0
[ 282.461753][ T6604] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 282.461781][ T6604] ? do_raw_spin_unlock+0xf5/0x210
[ 282.461806][ T6604] kobject_add_internal+0x62b/0xd00
[ 282.461838][ T6604] kobject_init_and_add+0x12b/0x1a0
[ 282.461866][ T6604] ? __pfx_kobject_init_and_add+0x10/0x10
[ 282.461890][ T6604] ? __raw_spin_lock_init+0x45/0x100
[ 282.461913][ T6604] ? __init_swait_queue_head+0xa9/0x150
[ 282.461937][ T6604] gfs2_sys_fs_add+0x257/0x480
[ 282.461960][ T6604] ? is_dynamic_key+0x1ac/0x1c0
[ 282.461985][ T6604] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 282.462017][ T6604] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 282.462051][ T6604] gfs2_fill_super+0x13a7/0x21d0
[ 282.462096][ T6604] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.462129][ T6604] ? sb_set_blocksize+0x155/0x240
[ 282.462158][ T6604] ? setup_bdev_super+0x4c1/0x5b0
[ 282.462183][ T6604] get_tree_bdev_flags+0x431/0x4f0
[ 282.462204][ T6604] ? __pfx_gfs2_fill_super+0x10/0x10
[ 282.462230][ T6604] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 282.462248][ T6604] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 282.462289][ T6604] gfs2_get_tree+0x51/0x1e0
[ 282.462319][ T6604] vfs_get_tree+0x92/0x2a0
[ 282.462342][ T6604] do_new_mount+0x341/0xd30
[ 282.462366][ T6604] ? apparmor_capable+0x126/0x170
[ 282.462398][ T6604] ? __pfx_do_new_mount+0x10/0x10
[ 282.462423][ T6604] ? ns_capable+0x89/0xe0
[ 282.462459][ T6604] ? user_path_at+0xd4/0x160
[ 282.462490][ T6604] __se_sys_mount+0x31d/0x420
[ 282.462522][ T6604] ? __pfx___se_sys_mount+0x10/0x10
[ 282.462565][ T6604] ? __x64_sys_mount+0x20/0xc0
[ 282.462593][ T6604] do_syscall_64+0x14d/0xf80
[ 282.462612][ T6604] ? trace_irq_disable+0x3b/0x150
[ 282.462638][ T6604] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.462658][ T6604] ? clear_bhb_loop+0x40/0x90
[ 282.462682][ T6604] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 282.462700][ T6604] RIP: 0033:0x7f569159d20a
[ 282.462720][ T6604] 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
[ 282.462737][ T6604] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 282.462758][ T6604] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 282.462772][ T6604] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 282.462785][ T6604] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 282.462797][ T6604] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 282.462809][ T6604] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 282.462842][ T6604]
[ 282.462869][ T6604] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 282.774991][ T6604] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 283.127377][ T6607] loop1: detected capacity change from 0 to 32768
[ 283.139860][ T6607] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.148122][ T6607] CPU: 0 UID: 0 PID: 6607 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full)
[ 283.148148][ T6607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 283.148161][ T6607] Call Trace:
[ 283.148168][ T6607]
[ 283.148177][ T6607] dump_stack_lvl+0xe8/0x150
[ 283.148211][ T6607] sysfs_create_dir_ns+0x271/0x2a0
[ 283.148240][ T6607] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 283.148267][ T6607] ? do_raw_spin_unlock+0xf5/0x210
[ 283.148294][ T6607] kobject_add_internal+0x62b/0xd00
[ 283.148327][ T6607] kobject_init_and_add+0x12b/0x1a0
[ 283.148356][ T6607] ? __pfx_kobject_init_and_add+0x10/0x10
[ 283.148381][ T6607] ? __raw_spin_lock_init+0x45/0x100
[ 283.148403][ T6607] ? __init_swait_queue_head+0xa9/0x150
[ 283.148428][ T6607] gfs2_sys_fs_add+0x257/0x480
[ 283.148449][ T6607] ? is_dynamic_key+0x1ac/0x1c0
[ 283.148475][ T6607] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 283.148507][ T6607] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 283.148543][ T6607] gfs2_fill_super+0x13a7/0x21d0
[ 283.148588][ T6607] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.148620][ T6607] ? sb_set_blocksize+0x155/0x240
[ 283.148649][ T6607] ? setup_bdev_super+0x4c1/0x5b0
[ 283.148676][ T6607] get_tree_bdev_flags+0x431/0x4f0
[ 283.148697][ T6607] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.148723][ T6607] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 283.148740][ T6607] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 283.148782][ T6607] gfs2_get_tree+0x51/0x1e0
[ 283.148811][ T6607] vfs_get_tree+0x92/0x2a0
[ 283.148835][ T6607] do_new_mount+0x341/0xd30
[ 283.148857][ T6607] ? apparmor_capable+0x126/0x170
[ 283.148890][ T6607] ? __pfx_do_new_mount+0x10/0x10
[ 283.148925][ T6607] ? ns_capable+0x89/0xe0
[ 283.148962][ T6607] ? user_path_at+0xd4/0x160
[ 283.148993][ T6607] __se_sys_mount+0x31d/0x420
[ 283.149025][ T6607] ? __pfx___se_sys_mount+0x10/0x10
[ 283.149059][ T6607] ? __x64_sys_mount+0x20/0xc0
[ 283.149087][ T6607] do_syscall_64+0x14d/0xf80
[ 283.149106][ T6607] ? trace_irq_disable+0x3b/0x150
[ 283.149132][ T6607] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.149152][ T6607] ? clear_bhb_loop+0x40/0x90
[ 283.149177][ T6607] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.149196][ T6607] RIP: 0033:0x7f569159d20a
[ 283.149216][ T6607] 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
[ 283.149233][ T6607] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.149254][ T6607] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 283.149268][ T6607] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 283.149282][ T6607] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 283.149294][ T6607] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 283.149306][ T6607] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 283.149339][ T6607]
[ 283.149365][ T6607] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 283.461025][ T6607] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/16 08:06:27 executed programs: 184
[ 283.822391][ T6610] loop1: detected capacity change from 0 to 32768
[ 283.847856][ T6610] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 283.855533][ T6610] CPU: 1 UID: 0 PID: 6610 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full)
[ 283.855560][ T6610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 283.855572][ T6610] Call Trace:
[ 283.855580][ T6610]
[ 283.855589][ T6610] dump_stack_lvl+0xe8/0x150
[ 283.855621][ T6610] sysfs_create_dir_ns+0x271/0x2a0
[ 283.855650][ T6610] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 283.855676][ T6610] ? do_raw_spin_unlock+0xf5/0x210
[ 283.855701][ T6610] kobject_add_internal+0x62b/0xd00
[ 283.855733][ T6610] kobject_init_and_add+0x12b/0x1a0
[ 283.855762][ T6610] ? __pfx_kobject_init_and_add+0x10/0x10
[ 283.855786][ T6610] ? __raw_spin_lock_init+0x45/0x100
[ 283.855809][ T6610] ? __init_swait_queue_head+0xa9/0x150
[ 283.855834][ T6610] gfs2_sys_fs_add+0x257/0x480
[ 283.855866][ T6610] ? is_dynamic_key+0x1ac/0x1c0
[ 283.855891][ T6610] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 283.855920][ T6610] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 283.855956][ T6610] gfs2_fill_super+0x13a7/0x21d0
[ 283.856001][ T6610] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.856034][ T6610] ? sb_set_blocksize+0x155/0x240
[ 283.856065][ T6610] ? setup_bdev_super+0x4c1/0x5b0
[ 283.856091][ T6610] get_tree_bdev_flags+0x431/0x4f0
[ 283.856113][ T6610] ? __pfx_gfs2_fill_super+0x10/0x10
[ 283.856139][ T6610] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 283.856157][ T6610] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 283.856199][ T6610] gfs2_get_tree+0x51/0x1e0
[ 283.856230][ T6610] vfs_get_tree+0x92/0x2a0
[ 283.856254][ T6610] do_new_mount+0x341/0xd30
[ 283.856279][ T6610] ? apparmor_capable+0x126/0x170
[ 283.856312][ T6610] ? __pfx_do_new_mount+0x10/0x10
[ 283.856337][ T6610] ? ns_capable+0x89/0xe0
[ 283.856375][ T6610] ? user_path_at+0xd4/0x160
[ 283.856407][ T6610] __se_sys_mount+0x31d/0x420
[ 283.856439][ T6610] ? __pfx___se_sys_mount+0x10/0x10
[ 283.856473][ T6610] ? __x64_sys_mount+0x20/0xc0
[ 283.856501][ T6610] do_syscall_64+0x14d/0xf80
[ 283.856521][ T6610] ? trace_irq_disable+0x3b/0x150
[ 283.856547][ T6610] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.856566][ T6610] ? clear_bhb_loop+0x40/0x90
[ 283.856591][ T6610] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 283.856609][ T6610] RIP: 0033:0x7f569159d20a
[ 283.856629][ T6610] 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
[ 283.856642][ T6610] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 283.856661][ T6610] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 283.856674][ T6610] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 283.856687][ T6610] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 283.856698][ T6610] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 283.856710][ T6610] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 283.856740][ T6610]
[ 283.856774][ T6610] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.173282][ T6610] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 284.522341][ T6613] loop1: detected capacity change from 0 to 32768
[ 284.546448][ T6613] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 284.554082][ T6613] CPU: 1 UID: 0 PID: 6613 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full)
[ 284.554118][ T6613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 284.554130][ T6613] Call Trace:
[ 284.554139][ T6613]
[ 284.554147][ T6613] dump_stack_lvl+0xe8/0x150
[ 284.554181][ T6613] sysfs_create_dir_ns+0x271/0x2a0
[ 284.554211][ T6613] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 284.554237][ T6613] ? do_raw_spin_unlock+0xf5/0x210
[ 284.554263][ T6613] kobject_add_internal+0x62b/0xd00
[ 284.554295][ T6613] kobject_init_and_add+0x12b/0x1a0
[ 284.554323][ T6613] ? __pfx_kobject_init_and_add+0x10/0x10
[ 284.554347][ T6613] ? __raw_spin_lock_init+0x45/0x100
[ 284.554368][ T6613] ? __init_swait_queue_head+0xa9/0x150
[ 284.554392][ T6613] gfs2_sys_fs_add+0x257/0x480
[ 284.554415][ T6613] ? is_dynamic_key+0x1ac/0x1c0
[ 284.554440][ T6613] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 284.554471][ T6613] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 284.554519][ T6613] gfs2_fill_super+0x13a7/0x21d0
[ 284.554572][ T6613] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.554606][ T6613] ? sb_set_blocksize+0x155/0x240
[ 284.554637][ T6613] ? setup_bdev_super+0x4c1/0x5b0
[ 284.554660][ T6613] get_tree_bdev_flags+0x431/0x4f0
[ 284.554682][ T6613] ? __pfx_gfs2_fill_super+0x10/0x10
[ 284.554708][ T6613] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 284.554726][ T6613] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 284.554765][ T6613] gfs2_get_tree+0x51/0x1e0
[ 284.554796][ T6613] vfs_get_tree+0x92/0x2a0
[ 284.554819][ T6613] do_new_mount+0x341/0xd30
[ 284.554841][ T6613] ? apparmor_capable+0x126/0x170
[ 284.554874][ T6613] ? __pfx_do_new_mount+0x10/0x10
[ 284.554899][ T6613] ? ns_capable+0x89/0xe0
[ 284.554935][ T6613] ? user_path_at+0xd4/0x160
[ 284.554966][ T6613] __se_sys_mount+0x31d/0x420
[ 284.555009][ T6613] ? __pfx___se_sys_mount+0x10/0x10
[ 284.555042][ T6613] ? __x64_sys_mount+0x20/0xc0
[ 284.555070][ T6613] do_syscall_64+0x14d/0xf80
[ 284.555089][ T6613] ? trace_irq_disable+0x3b/0x150
[ 284.555115][ T6613] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.555145][ T6613] ? clear_bhb_loop+0x40/0x90
[ 284.555175][ T6613] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 284.555192][ T6613] RIP: 0033:0x7f569159d20a
[ 284.555211][ T6613] 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
[ 284.555227][ T6613] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 284.555248][ T6613] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 284.555262][ T6613] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 284.555275][ T6613] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 284.555288][ T6613] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 284.555301][ T6613] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 284.555334][ T6613]
[ 284.863014][ T6613] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 284.879339][ T6613] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.234239][ T6616] loop1: detected capacity change from 0 to 32768
[ 285.255275][ T6616] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.263416][ T6616] CPU: 1 UID: 0 PID: 6616 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full)
[ 285.263443][ T6616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 285.263455][ T6616] Call Trace:
[ 285.263463][ T6616]
[ 285.263472][ T6616] dump_stack_lvl+0xe8/0x150
[ 285.263507][ T6616] sysfs_create_dir_ns+0x271/0x2a0
[ 285.263537][ T6616] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 285.263564][ T6616] ? do_raw_spin_unlock+0xf5/0x210
[ 285.263590][ T6616] kobject_add_internal+0x62b/0xd00
[ 285.263622][ T6616] kobject_init_and_add+0x12b/0x1a0
[ 285.263745][ T6616] ? __pfx_kobject_init_and_add+0x10/0x10
[ 285.263772][ T6616] ? __raw_spin_lock_init+0x45/0x100
[ 285.263794][ T6616] ? __init_swait_queue_head+0xa9/0x150
[ 285.263830][ T6616] gfs2_sys_fs_add+0x257/0x480
[ 285.263852][ T6616] ? is_dynamic_key+0x1ac/0x1c0
[ 285.263876][ T6616] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 285.263907][ T6616] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 285.263940][ T6616] gfs2_fill_super+0x13a7/0x21d0
[ 285.263982][ T6616] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.264013][ T6616] ? sb_set_blocksize+0x155/0x240
[ 285.264043][ T6616] ? setup_bdev_super+0x4c1/0x5b0
[ 285.264068][ T6616] get_tree_bdev_flags+0x431/0x4f0
[ 285.264091][ T6616] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.264116][ T6616] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 285.264132][ T6616] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 285.264171][ T6616] gfs2_get_tree+0x51/0x1e0
[ 285.264203][ T6616] vfs_get_tree+0x92/0x2a0
[ 285.264227][ T6616] do_new_mount+0x341/0xd30
[ 285.264251][ T6616] ? apparmor_capable+0x126/0x170
[ 285.264283][ T6616] ? __pfx_do_new_mount+0x10/0x10
[ 285.264310][ T6616] ? ns_capable+0x89/0xe0
[ 285.264343][ T6616] ? user_path_at+0xd4/0x160
[ 285.264373][ T6616] __se_sys_mount+0x31d/0x420
[ 285.264405][ T6616] ? __pfx___se_sys_mount+0x10/0x10
[ 285.264438][ T6616] ? __x64_sys_mount+0x20/0xc0
[ 285.264463][ T6616] do_syscall_64+0x14d/0xf80
[ 285.264482][ T6616] ? trace_irq_disable+0x3b/0x150
[ 285.264508][ T6616] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.264528][ T6616] ? clear_bhb_loop+0x40/0x90
[ 285.264553][ T6616] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.264570][ T6616] RIP: 0033:0x7f569159d20a
[ 285.264592][ T6616] 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
[ 285.264608][ T6616] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.264631][ T6616] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 285.264645][ T6616] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 285.264659][ T6616] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 285.264672][ T6616] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 285.264684][ T6616] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 285.264716][ T6616]
[ 285.264747][ T6616] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 285.578664][ T6616] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 285.931497][ T6619] loop1: detected capacity change from 0 to 32768
[ 285.940965][ T6619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 285.949161][ T6619] CPU: 1 UID: 0 PID: 6619 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full)
[ 285.949188][ T6619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 285.949200][ T6619] Call Trace:
[ 285.949209][ T6619]
[ 285.949217][ T6619] dump_stack_lvl+0xe8/0x150
[ 285.949250][ T6619] sysfs_create_dir_ns+0x271/0x2a0
[ 285.949278][ T6619] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 285.949305][ T6619] ? do_raw_spin_unlock+0xf5/0x210
[ 285.949328][ T6619] kobject_add_internal+0x62b/0xd00
[ 285.949360][ T6619] kobject_init_and_add+0x12b/0x1a0
[ 285.949388][ T6619] ? __pfx_kobject_init_and_add+0x10/0x10
[ 285.949412][ T6619] ? __raw_spin_lock_init+0x45/0x100
[ 285.949433][ T6619] ? __init_swait_queue_head+0xa9/0x150
[ 285.949457][ T6619] gfs2_sys_fs_add+0x257/0x480
[ 285.949479][ T6619] ? is_dynamic_key+0x1ac/0x1c0
[ 285.949503][ T6619] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 285.949534][ T6619] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 285.949570][ T6619] gfs2_fill_super+0x13a7/0x21d0
[ 285.949628][ T6619] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.949660][ T6619] ? sb_set_blocksize+0x155/0x240
[ 285.949689][ T6619] ? setup_bdev_super+0x4c1/0x5b0
[ 285.949714][ T6619] get_tree_bdev_flags+0x431/0x4f0
[ 285.949735][ T6619] ? __pfx_gfs2_fill_super+0x10/0x10
[ 285.949760][ T6619] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 285.949779][ T6619] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 285.949818][ T6619] gfs2_get_tree+0x51/0x1e0
[ 285.949847][ T6619] vfs_get_tree+0x92/0x2a0
[ 285.949870][ T6619] do_new_mount+0x341/0xd30
[ 285.949894][ T6619] ? apparmor_capable+0x126/0x170
[ 285.949925][ T6619] ? __pfx_do_new_mount+0x10/0x10
[ 285.949951][ T6619] ? ns_capable+0x89/0xe0
[ 285.949987][ T6619] ? user_path_at+0xd4/0x160
[ 285.950018][ T6619] __se_sys_mount+0x31d/0x420
[ 285.950050][ T6619] ? __pfx___se_sys_mount+0x10/0x10
[ 285.950082][ T6619] ? __x64_sys_mount+0x20/0xc0
[ 285.950110][ T6619] do_syscall_64+0x14d/0xf80
[ 285.950129][ T6619] ? trace_irq_disable+0x3b/0x150
[ 285.950155][ T6619] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.950175][ T6619] ? clear_bhb_loop+0x40/0x90
[ 285.950199][ T6619] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 285.950218][ T6619] RIP: 0033:0x7f569159d20a
[ 285.950238][ T6619] 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
[ 285.950254][ T6619] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 285.950275][ T6619] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 285.950289][ T6619] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 285.950301][ T6619] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 285.950313][ T6619] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 285.950326][ T6619] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 285.950359][ T6619]
[ 285.950627][ T6619] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.275363][ T6619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 286.627150][ T6622] loop1: detected capacity change from 0 to 32768
[ 286.643881][ T6622] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 286.651888][ T6622] CPU: 0 UID: 0 PID: 6622 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full)
[ 286.651914][ T6622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 286.651925][ T6622] Call Trace:
[ 286.651932][ T6622]
[ 286.651940][ T6622] dump_stack_lvl+0xe8/0x150
[ 286.651972][ T6622] sysfs_create_dir_ns+0x271/0x2a0
[ 286.652001][ T6622] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 286.652029][ T6622] ? do_raw_spin_unlock+0xf5/0x210
[ 286.652055][ T6622] kobject_add_internal+0x62b/0xd00
[ 286.652086][ T6622] kobject_init_and_add+0x12b/0x1a0
[ 286.652106][ T6622] ? __pfx_kobject_init_and_add+0x10/0x10
[ 286.652120][ T6622] ? __raw_spin_lock_init+0x45/0x100
[ 286.652133][ T6622] ? __init_swait_queue_head+0xa9/0x150
[ 286.652148][ T6622] gfs2_sys_fs_add+0x257/0x480
[ 286.652160][ T6622] ? is_dynamic_key+0x1ac/0x1c0
[ 286.652175][ T6622] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 286.652193][ T6622] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 286.652213][ T6622] gfs2_fill_super+0x13a7/0x21d0
[ 286.652238][ T6622] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.652257][ T6622] ? sb_set_blocksize+0x155/0x240
[ 286.652274][ T6622] ? setup_bdev_super+0x4c1/0x5b0
[ 286.652290][ T6622] get_tree_bdev_flags+0x431/0x4f0
[ 286.652303][ T6622] ? __pfx_gfs2_fill_super+0x10/0x10
[ 286.652318][ T6622] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 286.652329][ T6622] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 286.652352][ T6622] gfs2_get_tree+0x51/0x1e0
[ 286.652369][ T6622] vfs_get_tree+0x92/0x2a0
[ 286.652383][ T6622] do_new_mount+0x341/0xd30
[ 286.652398][ T6622] ? apparmor_capable+0x126/0x170
[ 286.652417][ T6622] ? __pfx_do_new_mount+0x10/0x10
[ 286.652432][ T6622] ? ns_capable+0x89/0xe0
[ 286.652463][ T6622] ? user_path_at+0xd4/0x160
[ 286.652481][ T6622] __se_sys_mount+0x31d/0x420
[ 286.652500][ T6622] ? __pfx___se_sys_mount+0x10/0x10
[ 286.652518][ T6622] ? __x64_sys_mount+0x20/0xc0
[ 286.652534][ T6622] do_syscall_64+0x14d/0xf80
[ 286.652546][ T6622] ? trace_irq_disable+0x3b/0x150
[ 286.652568][ T6622] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.652580][ T6622] ? clear_bhb_loop+0x40/0x90
[ 286.652594][ T6622] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.652606][ T6622] RIP: 0033:0x7f569159d20a
[ 286.652619][ T6622] 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
[ 286.652629][ T6622] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.652643][ T6622] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 286.652652][ T6622] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 286.652660][ T6622] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 286.652667][ T6622] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 286.652675][ T6622] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 286.652693][ T6622]
[ 286.653418][ T6622] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 286.983926][ T6622] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 287.335468][ T6625] loop1: detected capacity change from 0 to 32768
[ 287.357669][ T6625] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 287.365731][ T6625] CPU: 0 UID: 0 PID: 6625 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full)
[ 287.365758][ T6625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 287.365770][ T6625] Call Trace:
[ 287.365778][ T6625]
[ 287.365785][ T6625] dump_stack_lvl+0xe8/0x150
[ 287.365808][ T6625] sysfs_create_dir_ns+0x271/0x2a0
[ 287.365834][ T6625] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 287.365851][ T6625] ? do_raw_spin_unlock+0xf5/0x210
[ 287.365866][ T6625] kobject_add_internal+0x62b/0xd00
[ 287.365885][ T6625] kobject_init_and_add+0x12b/0x1a0
[ 287.365902][ T6625] ? __pfx_kobject_init_and_add+0x10/0x10
[ 287.365916][ T6625] ? __raw_spin_lock_init+0x45/0x100
[ 287.365928][ T6625] ? __init_swait_queue_head+0xa9/0x150
[ 287.365943][ T6625] gfs2_sys_fs_add+0x257/0x480
[ 287.365956][ T6625] ? is_dynamic_key+0x1ac/0x1c0
[ 287.365971][ T6625] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 287.365988][ T6625] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 287.366008][ T6625] gfs2_fill_super+0x13a7/0x21d0
[ 287.366033][ T6625] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.366052][ T6625] ? sb_set_blocksize+0x155/0x240
[ 287.366072][ T6625] ? setup_bdev_super+0x4c1/0x5b0
[ 287.366090][ T6625] get_tree_bdev_flags+0x431/0x4f0
[ 287.366103][ T6625] ? __pfx_gfs2_fill_super+0x10/0x10
[ 287.366118][ T6625] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 287.366129][ T6625] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 287.366153][ T6625] gfs2_get_tree+0x51/0x1e0
[ 287.366171][ T6625] vfs_get_tree+0x92/0x2a0
[ 287.366184][ T6625] do_new_mount+0x341/0xd30
[ 287.366199][ T6625] ? apparmor_capable+0x126/0x170
[ 287.366218][ T6625] ? __pfx_do_new_mount+0x10/0x10
[ 287.366233][ T6625] ? ns_capable+0x89/0xe0
[ 287.366253][ T6625] ? user_path_at+0xd4/0x160
[ 287.366272][ T6625] __se_sys_mount+0x31d/0x420
[ 287.366290][ T6625] ? __pfx___se_sys_mount+0x10/0x10
[ 287.366309][ T6625] ? __x64_sys_mount+0x20/0xc0
[ 287.366325][ T6625] do_syscall_64+0x14d/0xf80
[ 287.366336][ T6625] ? trace_irq_disable+0x3b/0x150
[ 287.366352][ T6625] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.366363][ T6625] ? clear_bhb_loop+0x40/0x90
[ 287.366377][ T6625] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.366388][ T6625] RIP: 0033:0x7f569159d20a
[ 287.366401][ T6625] 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
[ 287.366412][ T6625] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 287.366426][ T6625] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 287.366434][ T6625] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 287.366442][ T6625] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 287.366449][ T6625] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 287.366457][ T6625] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 287.366476][ T6625]
[ 287.366635][ T6625] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 287.677687][ T6625] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.037872][ T6628] loop1: detected capacity change from 0 to 32768
[ 288.060670][ T6628] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.068379][ T6628] CPU: 1 UID: 0 PID: 6628 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full)
[ 288.068407][ T6628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 288.068421][ T6628] Call Trace:
[ 288.068429][ T6628]
[ 288.068438][ T6628] dump_stack_lvl+0xe8/0x150
[ 288.068471][ T6628] sysfs_create_dir_ns+0x271/0x2a0
[ 288.068501][ T6628] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 288.068528][ T6628] ? do_raw_spin_unlock+0xf5/0x210
[ 288.068553][ T6628] kobject_add_internal+0x62b/0xd00
[ 288.068586][ T6628] kobject_init_and_add+0x12b/0x1a0
[ 288.068614][ T6628] ? __pfx_kobject_init_and_add+0x10/0x10
[ 288.068637][ T6628] ? __raw_spin_lock_init+0x45/0x100
[ 288.068659][ T6628] ? __init_swait_queue_head+0xa9/0x150
[ 288.068683][ T6628] gfs2_sys_fs_add+0x257/0x480
[ 288.068705][ T6628] ? is_dynamic_key+0x1ac/0x1c0
[ 288.068730][ T6628] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 288.068761][ T6628] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 288.068795][ T6628] gfs2_fill_super+0x13a7/0x21d0
[ 288.068837][ T6628] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.068877][ T6628] ? sb_set_blocksize+0x155/0x240
[ 288.068907][ T6628] ? setup_bdev_super+0x4c1/0x5b0
[ 288.068931][ T6628] get_tree_bdev_flags+0x431/0x4f0
[ 288.068952][ T6628] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.068978][ T6628] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 288.068996][ T6628] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 288.069036][ T6628] gfs2_get_tree+0x51/0x1e0
[ 288.069066][ T6628] vfs_get_tree+0x92/0x2a0
[ 288.069089][ T6628] do_new_mount+0x341/0xd30
[ 288.069112][ T6628] ? apparmor_capable+0x126/0x170
[ 288.069143][ T6628] ? __pfx_do_new_mount+0x10/0x10
[ 288.069168][ T6628] ? ns_capable+0x89/0xe0
[ 288.069205][ T6628] ? user_path_at+0xd4/0x160
[ 288.069234][ T6628] __se_sys_mount+0x31d/0x420
[ 288.069265][ T6628] ? __pfx___se_sys_mount+0x10/0x10
[ 288.069297][ T6628] ? __x64_sys_mount+0x20/0xc0
[ 288.069324][ T6628] do_syscall_64+0x14d/0xf80
[ 288.069343][ T6628] ? trace_irq_disable+0x3b/0x150
[ 288.069369][ T6628] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.069388][ T6628] ? clear_bhb_loop+0x40/0x90
[ 288.069411][ T6628] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.069430][ T6628] RIP: 0033:0x7f569159d20a
[ 288.069451][ T6628] 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
[ 288.069467][ T6628] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.069488][ T6628] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 288.069502][ T6628] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 288.069516][ T6628] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 288.069528][ T6628] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 288.069541][ T6628] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 288.069573][ T6628]
[ 288.069600][ T6628] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 288.383163][ T6628] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 288.737408][ T6631] loop1: detected capacity change from 0 to 32768
[ 288.779475][ T6631] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 288.787484][ T6631] CPU: 0 UID: 0 PID: 6631 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full)
[ 288.787513][ T6631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 288.787525][ T6631] Call Trace:
[ 288.787534][ T6631]
[ 288.787542][ T6631] dump_stack_lvl+0xe8/0x150
[ 288.787576][ T6631] sysfs_create_dir_ns+0x271/0x2a0
[ 288.787606][ T6631] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 288.787632][ T6631] ? do_raw_spin_unlock+0xf5/0x210
[ 288.787658][ T6631] kobject_add_internal+0x62b/0xd00
[ 288.787690][ T6631] kobject_init_and_add+0x12b/0x1a0
[ 288.787719][ T6631] ? __pfx_kobject_init_and_add+0x10/0x10
[ 288.787743][ T6631] ? __raw_spin_lock_init+0x45/0x100
[ 288.787775][ T6631] ? __init_swait_queue_head+0xa9/0x150
[ 288.787798][ T6631] gfs2_sys_fs_add+0x257/0x480
[ 288.787820][ T6631] ? is_dynamic_key+0x1ac/0x1c0
[ 288.787846][ T6631] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 288.787877][ T6631] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 288.787912][ T6631] gfs2_fill_super+0x13a7/0x21d0
[ 288.787955][ T6631] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.787983][ T6631] ? sb_set_blocksize+0x155/0x240
[ 288.788013][ T6631] ? setup_bdev_super+0x4c1/0x5b0
[ 288.788038][ T6631] get_tree_bdev_flags+0x431/0x4f0
[ 288.788059][ T6631] ? __pfx_gfs2_fill_super+0x10/0x10
[ 288.788086][ T6631] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 288.788103][ T6631] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 288.788143][ T6631] gfs2_get_tree+0x51/0x1e0
[ 288.788174][ T6631] vfs_get_tree+0x92/0x2a0
[ 288.788197][ T6631] do_new_mount+0x341/0xd30
[ 288.788221][ T6631] ? apparmor_capable+0x126/0x170
[ 288.788254][ T6631] ? __pfx_do_new_mount+0x10/0x10
[ 288.788278][ T6631] ? ns_capable+0x89/0xe0
[ 288.788315][ T6631] ? user_path_at+0xd4/0x160
[ 288.788345][ T6631] __se_sys_mount+0x31d/0x420
[ 288.788378][ T6631] ? __pfx___se_sys_mount+0x10/0x10
[ 288.788411][ T6631] ? __x64_sys_mount+0x20/0xc0
[ 288.788438][ T6631] do_syscall_64+0x14d/0xf80
[ 288.788457][ T6631] ? trace_irq_disable+0x3b/0x150
[ 288.788483][ T6631] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.788502][ T6631] ? clear_bhb_loop+0x40/0x90
[ 288.788522][ T6631] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 288.788538][ T6631] RIP: 0033:0x7f569159d20a
[ 288.788554][ T6631] 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
[ 288.788568][ T6631] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 288.788588][ T6631] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 288.788599][ T6631] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 288.788610][ T6631] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 288.788623][ T6631] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 288.788636][ T6631] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 288.788669][ T6631]
[ 288.788698][ T6631] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.099288][ T6631] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.166911][ T30] INFO: task kworker/1:3:5964 blocked for more than 143 seconds.
[ 289.174966][ T30] Not tainted syzkaller #0
[ 289.180517][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 289.189942][ T30] task:kworker/1:3 state:D stack:25240 pid:5964 tgid:5964 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 289.203208][ T30] Workqueue: gfs2_recovery gfs2_recover_func
[ 289.209736][ T30] Call Trace:
[ 289.213140][ T30]
[ 289.216573][ T30] __schedule+0x1585/0x5340
[ 289.221514][ T30] ? __lock_acquire+0x146e/0x2cf0
[ 289.227873][ T30] ? __pfx___schedule+0x10/0x10
[ 289.232864][ T30] ? schedule+0x90/0x360
[ 289.238146][ T30] schedule+0x164/0x360
[ 289.242460][ T30] io_schedule+0x7f/0xd0
[ 289.248167][ T30] folio_wait_bit_common+0x6d8/0xbc0
[ 289.253532][ T30] ? __pfx_folio_wait_bit_common+0x10/0x10
[ 289.260255][ T30] ? __submit_bio+0x28d/0x580
2026/02/16 08:06:33 executed programs: 192
[ 289.265012][ T30] ? __pfx_wake_page_function+0x10/0x10
[ 289.271272][ T30] ? __get_log_header+0x2a3/0x630
[ 289.276668][ T30] ? __filemap_get_folio_mpol+0x740/0xb00
[ 289.282713][ T30] gfs2_jhead_process_page+0x175/0x670
[ 289.288673][ T30] ? __pfx_gfs2_jhead_process_page+0x10/0x10
[ 289.305243][ T30] gfs2_find_jhead+0xbd2/0xd30
[ 289.311329][ T30] gfs2_recover_func+0x6cf/0x1f60
[ 289.316775][ T30] ? ret_from_fork_asm+0x1a/0x30
[ 289.322109][ T30] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 289.330631][ T30] ? arch_stack_walk+0x11b/0x150
[ 289.335911][ T30] ? ret_from_fork_asm+0x1a/0x30
[ 289.341008][ T30] ? __pfx_gfs2_recover_func+0x10/0x10
[ 289.347359][ T30] ? stack_trace_save+0xa9/0x100
[ 289.352683][ T30] ? __pfx_stack_trace_save+0x10/0x10
[ 289.358626][ T30] ? check_path+0x21/0x40
[ 289.363191][ T30] ? add_lock_to_list+0xc7/0x100
[ 289.368730][ T30] ? lockdep_unlock+0x5d/0xd0
[ 289.373463][ T30] ? __lock_acquire+0x146e/0x2cf0
[ 289.379163][ T30] ? process_one_work+0x87c/0x1650
[ 289.384542][ T30] process_one_work+0x949/0x1650
[ 289.390244][ T30] ? __pfx_process_one_work+0x10/0x10
[ 289.396247][ T30] ? do_raw_spin_lock+0x12b/0x2f0
[ 289.401418][ T30] worker_thread+0xb46/0x1140
[ 289.406664][ T30] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 289.413010][ T30] kthread+0x388/0x470
[ 289.417570][ T30] ? __pfx_worker_thread+0x10/0x10
[ 289.422988][ T30] ? __pfx_kthread+0x10/0x10
[ 289.428264][ T30] ret_from_fork+0x51e/0xb90
[ 289.432909][ T30] ? __pfx_ret_from_fork+0x10/0x10
[ 289.439498][ T30] ? __switch_to+0xc7d/0x1450
[ 289.444312][ T30] ? __pfx_kthread+0x10/0x10
[ 289.449539][ T30] ret_from_fork_asm+0x1a/0x30
[ 289.455704][ T30]
[ 289.459062][ T30] INFO: task syz.0.17:6030 blocked for more than 143 seconds.
[ 289.466907][ T30] Not tainted syzkaller #0
[ 289.471876][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 289.481434][ T30] task:syz.0.17 state:D stack:24736 pid:6030 tgid:6030 ppid:5955 task_flags:0x400140 flags:0x00080002
[ 289.493884][ T30] Call Trace:
[ 289.497478][ T30]
[ 289.500855][ T30] __schedule+0x1585/0x5340
[ 289.505503][ T30] ? __pfx___schedule+0x10/0x10
[ 289.510524][ T30] ? schedule+0x90/0x360
[ 289.514870][ T30] schedule+0x164/0x360
[ 289.519194][ T30] bit_wait+0x11/0xd0
[ 289.523224][ T30] __wait_on_bit+0xb9/0x310
[ 289.527856][ T30] ? __pfx_bit_wait+0x10/0x10
[ 289.532655][ T30] out_of_line_wait_on_bit+0x13b/0x190
[ 289.538526][ T30] ? __pfx_bit_wait+0x10/0x10
[ 289.543334][ T30] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 289.549926][ T30] ? __pfx_wake_bit_function+0x10/0x10
[ 289.556110][ T30] gfs2_recover_journal+0xda/0x140
[ 289.561457][ T30] init_journal+0x16ad/0x22b0
[ 289.566777][ T30] ? init_inodes+0xdb/0x320
[ 289.571725][ T30] ? __pfx_init_journal+0x10/0x10
[ 289.576933][ T30] ? snprintf+0xe8/0x140
[ 289.581428][ T30] ? init_inodes+0xdb/0x320
[ 289.586062][ T30] ? __pfx_snprintf+0x10/0x10
[ 289.591208][ T30] ? gfs2_glock_nq_num+0x13d/0x170
[ 289.596457][ T30] init_inodes+0xdb/0x320
[ 289.601089][ T30] gfs2_fill_super+0x1a38/0x21d0
[ 289.606419][ T30] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.611845][ T30] ? init_locking+0xb8/0x210
[ 289.617868][ T30] ? sb_set_blocksize+0x155/0x240
[ 289.622966][ T30] ? setup_bdev_super+0x4c1/0x5b0
[ 289.628279][ T30] get_tree_bdev_flags+0x431/0x4f0
[ 289.633692][ T30] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.639219][ T30] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 289.644883][ T30] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 289.652150][ T30] gfs2_get_tree+0x51/0x1e0
[ 289.659031][ T30] vfs_get_tree+0x92/0x2a0
[ 289.660261][ T6634] loop1: detected capacity change from 0 to 32768
[ 289.663509][ T30] do_new_mount+0x341/0xd30
[ 289.663541][ T30] ? apparmor_capable+0x126/0x170
[ 289.685445][ T30] ? __pfx_do_new_mount+0x10/0x10
[ 289.690802][ T30] ? ns_capable+0x89/0xe0
[ 289.695361][ T30] ? user_path_at+0xd4/0x160
[ 289.700170][ T30] __se_sys_mount+0x31d/0x420
[ 289.705009][ T30] ? __pfx___se_sys_mount+0x10/0x10
[ 289.710463][ T30] ? __x64_sys_mount+0x20/0xc0
[ 289.710822][ T6634] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 289.715381][ T30] do_syscall_64+0x14d/0xf80
[ 289.715407][ T30] ? trace_irq_disable+0x3b/0x150
[ 289.723649][ T6634] CPU: 1 UID: 0 PID: 6634 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full)
[ 289.723672][ T6634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 289.723682][ T6634] Call Trace:
[ 289.723689][ T6634]
[ 289.723697][ T6634] dump_stack_lvl+0xe8/0x150
[ 289.723725][ T6634] sysfs_create_dir_ns+0x271/0x2a0
[ 289.723751][ T6634] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 289.723775][ T6634] ? do_raw_spin_unlock+0xf5/0x210
[ 289.723798][ T6634] kobject_add_internal+0x62b/0xd00
[ 289.723826][ T6634] kobject_init_and_add+0x12b/0x1a0
[ 289.723852][ T6634] ? __pfx_kobject_init_and_add+0x10/0x10
[ 289.723874][ T6634] ? __raw_spin_lock_init+0x45/0x100
[ 289.723893][ T6634] ? __init_swait_queue_head+0xa9/0x150
[ 289.723915][ T6634] gfs2_sys_fs_add+0x257/0x480
[ 289.723935][ T6634] ? is_dynamic_key+0x1ac/0x1c0
[ 289.723957][ T6634] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 289.723985][ T6634] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 289.724016][ T6634] gfs2_fill_super+0x13a7/0x21d0
[ 289.724056][ T6634] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.724084][ T6634] ? sb_set_blocksize+0x155/0x240
[ 289.724111][ T6634] ? setup_bdev_super+0x4c1/0x5b0
[ 289.724134][ T6634] get_tree_bdev_flags+0x431/0x4f0
[ 289.724153][ T6634] ? __pfx_gfs2_fill_super+0x10/0x10
[ 289.724175][ T6634] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 289.724192][ T6634] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 289.724228][ T6634] gfs2_get_tree+0x51/0x1e0
[ 289.724254][ T6634] vfs_get_tree+0x92/0x2a0
[ 289.724276][ T6634] do_new_mount+0x341/0xd30
[ 289.724296][ T6634] ? apparmor_capable+0x126/0x170
[ 289.724325][ T6634] ? __pfx_do_new_mount+0x10/0x10
[ 289.724347][ T6634] ? ns_capable+0x89/0xe0
[ 289.724379][ T6634] ? user_path_at+0xd4/0x160
[ 289.724406][ T6634] __se_sys_mount+0x31d/0x420
[ 289.724435][ T6634] ? __pfx___se_sys_mount+0x10/0x10
[ 289.724464][ T6634] ? __x64_sys_mount+0x20/0xc0
[ 289.724489][ T6634] do_syscall_64+0x14d/0xf80
[ 289.724513][ T6634] ? trace_irq_disable+0x3b/0x150
[ 289.724536][ T6634] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.724554][ T6634] ? clear_bhb_loop+0x40/0x90
[ 289.724575][ T6634] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.724592][ T6634] RIP: 0033:0x7f569159d20a
[ 289.724610][ T6634] 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
[ 289.724625][ T6634] RSP: 002b:00007fff37cb10c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.724644][ T6634] RAX: ffffffffffffffda RBX: 00007fff37cb1150 RCX: 00007f569159d20a
[ 289.724656][ T6634] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007fff37cb1110
[ 289.724668][ T6634] RBP: 000020000001f680 R08: 00007fff37cb1150 R09: 0000000000000084
[ 289.724679][ T6634] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 289.724690][ T6634] R13: 00007fff37cb1110 R14: 000000000001f707 R15: 0000200000000000
[ 289.724718][ T6634]
[ 289.724742][ T6634] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 289.728378][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.728406][ T30] ? clear_bhb_loop+0x40/0x90
[ 289.728433][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 289.728453][ T30] RIP: 0033:0x7f028739d20a
[ 289.728469][ T30] RSP: 002b:00007ffd3ab104a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 289.728490][ T30] RAX: ffffffffffffffda RBX: 00007ffd3ab10530 RCX: 00007f028739d20a
[ 289.728506][ T30] RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffd3ab104f0
[ 289.728521][ T30] RBP: 000020000001f680 R08: 00007ffd3ab10530 R09: 0000000000000084
[ 289.728536][ T30] R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
[ 289.728550][ T30] R13: 00007ffd3ab104f0 R14: 000000000001f707 R15: 0000200000000000
[ 289.728583][ T30]
[ 289.728643][ T30]
[ 289.728643][ T30] Showing all locks held in the system:
[ 289.728657][ T30] 1 lock held by khungtaskd/30:
[ 289.728671][ T30] #0: ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 289.750989][ T6634] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 289.754635][ T30] 2 locks held by getty/5583:
[ 290.152915][ T30] #0: ffff888032c750a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 290.162924][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
[ 290.173894][ T30] 2 locks held by kworker/1:3/5964:
[ 290.179547][ T30] #0: ffff88801e7eed48 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x855/0x1650
[ 290.190727][ T30] #1: ffffc90003497c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x87c/0x1650
[ 290.202725][ T30] 1 lock held by syz.0.17/6030:
[ 290.207701][ T30] #0: ffff88803688e0e0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xab0
[ 290.218136][ T30] 2 locks held by syz.1.208/6637:
[ 290.223331][ T30]
[ 290.225765][ T30] =============================================
[ 290.225765][ T30]
[ 290.234484][ T30] NMI backtrace for cpu 0
[ 290.234505][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 290.234526][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 290.234538][ T30] Call Trace:
[ 290.234546][ T30]
[ 290.234554][ T30] dump_stack_lvl+0xe8/0x150
[ 290.234590][ T30] nmi_cpu_backtrace+0x274/0x2d0
[ 290.234617][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 290.234645][ T30] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 290.234674][ T30] sys_info+0x135/0x170
[ 290.234695][ T30] watchdog+0xfd9/0x1030
[ 290.234730][ T30] ? watchdog+0x21a/0x1030
[ 290.234765][ T30] kthread+0x388/0x470
[ 290.234786][ T30] ? __pfx_watchdog+0x10/0x10
[ 290.234821][ T30] ? __pfx_kthread+0x10/0x10
[ 290.234842][ T30] ret_from_fork+0x51e/0xb90
[ 290.234871][ T30] ? __pfx_ret_from_fork+0x10/0x10
[ 290.234894][ T30] ? __switch_to+0xc7d/0x1450
[ 290.234920][ T30] ? __pfx_kthread+0x10/0x10
[ 290.234941][ T30] ret_from_fork_asm+0x1a/0x30
[ 290.234985][ T30]
[ 290.234992][ T30] Sending NMI from CPU 0 to CPUs 1:
[ 290.348369][ C1] NMI backtrace for cpu 1
[ 290.348389][ C1] CPU: 1 UID: 0 PID: 6637 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full)
[ 290.348408][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 290.348418][ C1] RIP: 0010:stack_trace_consume_entry+0xb/0x280
[ 290.348443][ C1] Code: e8 fa 2b fd 09 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 41 55 <41> 54 53 48 83 ec 18 48 ba 00 00 00 00 00 fc ff df 4c 8d 47 10 4c
[ 290.348456][ C1] RSP: 0018:ffffc900056d7180 EFLAGS: 00000286
[ 290.348472][ C1] RAX: ffffffff81000130 RBX: ffffc900056d7260 RCX: 0000000000000000
[ 290.348484][ C1] RDX: 0000000000000001 RSI: ffffffff81000130 RDI: ffffc900056d7260
[ 290.348495][ C1] RBP: ffffc900056d7230 R08: ffffc900056d7f38 R09: 0000000000000000
[ 290.348506][ C1] R10: ffffc900056d71f8 R11: ffffffff81b0c580 R12: ffff888029361e40
[ 290.348517][ C1] R13: 1ffff1100526c47e R14: ffffffff81b0c580 R15: ffffc900056d71a8
[ 290.348538][ C1] FS: 000055555668d500(0000) GS:ffff888125560000(0000) knlGS:0000000000000000
[ 290.348553][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 290.348565][ C1] CR2: 00007f56895ff000 CR3: 0000000076760000 CR4: 00000000003526f0
[ 290.348581][ C1] Call Trace:
[ 290.348588][ C1]
[ 290.348595][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 290.348613][ C1] arch_stack_walk+0x10f/0x150
[ 290.348638][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.348656][ C1] stack_trace_save+0xa9/0x100
[ 290.348672][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 290.348692][ C1] save_stack+0x122/0x230
[ 290.348710][ C1] ? __pfx_save_stack+0x10/0x10
[ 290.348724][ C1] ? post_alloc_hook+0x231/0x280
[ 290.348739][ C1] ? get_page_from_freelist+0x24dc/0x2580
[ 290.348756][ C1] ? __alloc_frozen_pages_noprof+0x18d/0x380
[ 290.348772][ C1] ? alloc_pages_mpol+0x232/0x4a0
[ 290.348790][ C1] ? folio_alloc_mpol_noprof+0x39/0x70
[ 290.348807][ C1] ? shmem_alloc_and_add_folio+0x445/0xf80
[ 290.348828][ C1] ? shmem_get_folio_gfp+0x5a9/0x1670
[ 290.348848][ C1] ? shmem_write_begin+0x16c/0x330
[ 290.348868][ C1] ? generic_perform_write+0x2e2/0x8f0
[ 290.348886][ C1] ? shmem_file_write_iter+0xf8/0x120
[ 290.348900][ C1] ? vfs_write+0x61d/0xb90
[ 290.348914][ C1] ? ksys_write+0x150/0x270
[ 290.348928][ C1] ? do_syscall_64+0x14d/0xf80
[ 290.348945][ C1] ? __rmqueue_pcplist+0x18fa/0x1c40
[ 290.348966][ C1] __set_page_owner+0x8d/0x4c0
[ 290.348982][ C1] ? __pfx___set_page_owner+0x10/0x10
[ 290.348998][ C1] ? seqcount_lockdep_reader_access+0x89/0xc0
[ 290.349019][ C1] ? lockdep_hardirqs_on+0x7a/0x110
[ 290.349033][ C1] ? bad_range+0x8b/0x2c0
[ 290.349054][ C1] post_alloc_hook+0x231/0x280
[ 290.349071][ C1] get_page_from_freelist+0x24dc/0x2580
[ 290.349093][ C1] ? __pfx_css_rstat_updated+0x10/0x10
[ 290.349118][ C1] ? prepare_alloc_pages+0x22a/0x650
[ 290.349138][ C1] __alloc_frozen_pages_noprof+0x18d/0x380
[ 290.349157][ C1] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 290.349176][ C1] ? __pfx_policy_nodemask+0x10/0x10
[ 290.349197][ C1] alloc_pages_mpol+0x232/0x4a0
[ 290.349216][ C1] folio_alloc_mpol_noprof+0x39/0x70
[ 290.349234][ C1] shmem_alloc_and_add_folio+0x445/0xf80
[ 290.349258][ C1] ? filemap_get_entry+0xca/0x320
[ 290.349273][ C1] ? filemap_get_entry+0xca/0x320
[ 290.349288][ C1] ? filemap_get_entry+0x2ac/0x320
[ 290.349303][ C1] ? __pfx_filemap_get_entry+0x10/0x10
[ 290.349316][ C1] ? shmem_allowable_huge_orders+0x28b/0x690
[ 290.349337][ C1] ? __pfx_shmem_alloc_and_add_folio+0x10/0x10
[ 290.349360][ C1] ? shmem_allowable_huge_orders+0x309/0x690
[ 290.349383][ C1] shmem_get_folio_gfp+0x5a9/0x1670
[ 290.349411][ C1] shmem_write_begin+0x16c/0x330
[ 290.349435][ C1] generic_perform_write+0x2e2/0x8f0
[ 290.349458][ C1] ? __pfx_generic_perform_write+0x10/0x10
[ 290.349477][ C1] ? preempt_count_add+0x91/0x190
[ 290.349497][ C1] ? mnt_put_write_access_file+0xb9/0x100
[ 290.349514][ C1] ? file_update_time_flags+0x400/0x4a0
[ 290.349539][ C1] shmem_file_write_iter+0xf8/0x120
[ 290.349555][ C1] vfs_write+0x61d/0xb90
[ 290.349573][ C1] ? __pfx_vfs_write+0x10/0x10
[ 290.349597][ C1] ksys_write+0x150/0x270
[ 290.349614][ C1] ? __pfx_ksys_write+0x10/0x10
[ 290.349633][ C1] do_syscall_64+0x14d/0xf80
[ 290.349647][ C1] ? trace_irq_disable+0x3b/0x150
[ 290.349668][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.349683][ C1] ? clear_bhb_loop+0x40/0x90
[ 290.349701][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 290.349716][ C1] RIP: 0033:0x7f569155c84e
[ 290.349731][ 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
[ 290.349744][ C1] RSP: 002b:00007fff37cb1018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 290.349760][ C1] RAX: ffffffffffffffda RBX: 000055555668d500 RCX: 00007f569155c84e
[ 290.349771][ C1] RDX: 0000000001000000 RSI: 00007f5688600000 RDI: 0000000000000003
[ 290.349781][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 290.349791][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
[ 290.349801][ C1] R13: 00007fff37cb1150 R14: 00007fff37cb1110 R15: 00007f5688600000
[ 290.349819][ C1]
[ 290.452611][ T6637] loop1: detected capacity change from 0 to 32768
[ 290.458237][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 290.458256][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 290.458276][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 290.458288][ T30] Call Trace:
[ 290.458297][ T30]
[ 290.458305][ T30] vpanic+0x56c/0xa60
[ 290.458335][ T30] ? __pfx___schedule+0x10/0x10
[ 290.458361][ T30] ? __pfx_vpanic+0x10/0x10
[ 290.458385][ T30] ? __pfx_console_unlock+0x10/0x10
[ 290.458417][ T30] panic+0xc5/0xd0
[ 290.458439][ T30] ? __pfx_panic+0x10/0x10
[ 290.458463][ T30] ? preempt_schedule_thunk+0x16/0x30
[ 290.458488][ T30] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 290.458515][ T30] watchdog+0x1023/0x1030
[ 290.458545][ T30] ? watchdog+0x21a/0x1030
[ 290.458575][ T30] kthread+0x388/0x470
[ 290.458595][ T30] ? __pfx_watchdog+0x10/0x10
[ 290.458618][ T30] ? __pfx_kthread+0x10/0x10
[ 290.458637][ T30] ret_from_fork+0x51e/0xb90
[ 290.458663][ T30] ? __pfx_ret_from_fork+0x10/0x10
[ 290.458684][ T30] ? __switch_to+0xc7d/0x1450
[ 290.458707][ T30] ? __pfx_kthread+0x10/0x10
[ 290.458726][ T30] ret_from_fork_asm+0x1a/0x30
[ 290.458765][ T30]
[ 290.465098][ T30] Kernel Offset: disabled