] ? __pfx_gfs2_fill_super+0x10/0x10
[ 234.083708][ T7059] ? sb_set_blocksize+0x155/0x240
[ 234.083732][ T7059] ? setup_bdev_super+0x4c1/0x5b0
[ 234.083754][ T7059] get_tree_bdev_flags+0x431/0x4f0
[ 234.083775][ T7059] ? __pfx_gfs2_fill_super+0x10/0x10
[ 234.083795][ T7059] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 234.083811][ T7059] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 234.083839][ T7059] gfs2_get_tree+0x51/0x1e0
[ 234.083863][ T7059] vfs_get_tree+0x92/0x2a0
[ 234.083884][ T7059] do_new_mount+0x341/0xd30
[ 234.083906][ T7059] ? apparmor_capable+0x126/0x170
[ 234.083932][ T7059] ? __pfx_do_new_mount+0x10/0x10
[ 234.083969][ T7059] ? ns_capable+0x89/0xe0
[ 234.084002][ T7059] ? user_path_at+0xd4/0x160
[ 234.084022][ T7059] __se_sys_mount+0x31d/0x420
[ 234.084050][ T7059] ? __pfx___se_sys_mount+0x10/0x10
[ 234.084078][ T7059] ? __x64_sys_mount+0x20/0xc0
[ 234.084104][ T7059] do_syscall_64+0x14d/0xf80
[ 234.084126][ T7059] ? trace_irq_disable+0x3b/0x150
[ 234.084142][ T7059] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 234.084161][ T7059] ? clear_bhb_loop+0x40/0x90
[ 234.084184][ T7059] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 234.084200][ T7059] RIP: 0033:0x7f8600f9b60a
[ 234.084218][ T7059] 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
[ 234.084232][ T7059] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.084252][ T7059] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 234.084265][ T7059] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 234.084277][ T7059] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 234.084289][ T7059] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 234.084299][ T7059] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 234.084327][ T7059]
[ 234.084354][ T7059] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 234.388453][ T7059] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 234.696858][ T7063] loop1: detected capacity change from 0 to 32768
[ 234.713428][ T7063] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 234.721522][ T7063] CPU: 0 UID: 0 PID: 7063 Comm: syz.1.163 Not tainted syzkaller #0 PREEMPT(full)
[ 234.721546][ T7063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 234.721557][ T7063] Call Trace:
[ 234.721565][ T7063]
[ 234.721573][ T7063] dump_stack_lvl+0xe8/0x150
[ 234.721603][ T7063] sysfs_create_dir_ns+0x271/0x2a0
[ 234.721631][ T7063] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 234.721656][ T7063] ? do_raw_spin_unlock+0xf5/0x210
[ 234.721679][ T7063] kobject_add_internal+0x62b/0xd00
[ 234.721713][ T7063] kobject_init_and_add+0x12b/0x1a0
[ 234.721744][ T7063] ? __pfx_kobject_init_and_add+0x10/0x10
[ 234.721771][ T7063] ? __raw_spin_lock_init+0x45/0x100
[ 234.721792][ T7063] ? __init_swait_queue_head+0xa9/0x150
[ 234.721815][ T7063] gfs2_sys_fs_add+0x257/0x480
[ 234.721850][ T7063] ? is_dynamic_key+0x1ac/0x1c0
[ 234.721873][ T7063] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 234.721904][ T7063] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 234.721935][ T7063] gfs2_fill_super+0x13a7/0x21d0
[ 234.721972][ T7063] ? __pfx_gfs2_fill_super+0x10/0x10
[ 234.721997][ T7063] ? sb_set_blocksize+0x155/0x240
[ 234.722021][ T7063] ? setup_bdev_super+0x4c1/0x5b0
[ 234.722044][ T7063] get_tree_bdev_flags+0x431/0x4f0
[ 234.722064][ T7063] ? __pfx_gfs2_fill_super+0x10/0x10
[ 234.722085][ T7063] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 234.722102][ T7063] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 234.722130][ T7063] gfs2_get_tree+0x51/0x1e0
[ 234.722153][ T7063] vfs_get_tree+0x92/0x2a0
[ 234.722174][ T7063] do_new_mount+0x341/0xd30
[ 234.722196][ T7063] ? apparmor_capable+0x126/0x170
[ 234.722223][ T7063] ? __pfx_do_new_mount+0x10/0x10
[ 234.722247][ T7063] ? ns_capable+0x89/0xe0
[ 234.722280][ T7063] ? user_path_at+0xd4/0x160
[ 234.722301][ T7063] __se_sys_mount+0x31d/0x420
[ 234.722329][ T7063] ? __pfx___se_sys_mount+0x10/0x10
[ 234.722358][ T7063] ? __x64_sys_mount+0x20/0xc0
[ 234.722383][ T7063] do_syscall_64+0x14d/0xf80
[ 234.722406][ T7063] ? trace_irq_disable+0x3b/0x150
[ 234.722421][ T7063] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 234.722439][ T7063] ? clear_bhb_loop+0x40/0x90
[ 234.722460][ T7063] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 234.722478][ T7063] RIP: 0033:0x7f8600f9b60a
[ 234.722497][ T7063] 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
[ 234.722512][ T7063] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 234.722532][ T7063] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 234.722544][ T7063] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 234.722557][ T7063] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 234.722570][ T7063] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 234.722582][ T7063] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 234.722611][ T7063]
[ 234.722636][ T7063] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.025537][ T7063] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.338531][ T7068] loop1: detected capacity change from 0 to 32768
[ 235.350714][ T7068] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.358133][ T7068] CPU: 1 UID: 0 PID: 7068 Comm: syz.1.164 Not tainted syzkaller #0 PREEMPT(full)
[ 235.358159][ T7068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 235.358170][ T7068] Call Trace:
[ 235.358178][ T7068]
[ 235.358186][ T7068] dump_stack_lvl+0xe8/0x150
[ 235.358217][ T7068] sysfs_create_dir_ns+0x271/0x2a0
[ 235.358246][ T7068] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 235.358271][ T7068] ? do_raw_spin_unlock+0xf5/0x210
[ 235.358297][ T7068] kobject_add_internal+0x62b/0xd00
[ 235.358328][ T7068] kobject_init_and_add+0x12b/0x1a0
[ 235.358358][ T7068] ? __pfx_kobject_init_and_add+0x10/0x10
[ 235.358385][ T7068] ? __raw_spin_lock_init+0x45/0x100
[ 235.358407][ T7068] ? __init_swait_queue_head+0xa9/0x150
[ 235.358431][ T7068] gfs2_sys_fs_add+0x257/0x480
[ 235.358458][ T7068] ? is_dynamic_key+0x1ac/0x1c0
[ 235.358481][ T7068] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 235.358513][ T7068] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 235.358545][ T7068] gfs2_fill_super+0x13a7/0x21d0
[ 235.358582][ T7068] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.358606][ T7068] ? sb_set_blocksize+0x155/0x240
[ 235.358630][ T7068] ? setup_bdev_super+0x4c1/0x5b0
[ 235.358652][ T7068] get_tree_bdev_flags+0x431/0x4f0
[ 235.358672][ T7068] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.358692][ T7068] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 235.358708][ T7068] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 235.358736][ T7068] gfs2_get_tree+0x51/0x1e0
[ 235.358760][ T7068] vfs_get_tree+0x92/0x2a0
[ 235.358782][ T7068] do_new_mount+0x341/0xd30
[ 235.358804][ T7068] ? apparmor_capable+0x126/0x170
[ 235.358828][ T7068] ? __pfx_do_new_mount+0x10/0x10
[ 235.358851][ T7068] ? ns_capable+0x89/0xe0
[ 235.358883][ T7068] ? user_path_at+0xd4/0x160
[ 235.358904][ T7068] __se_sys_mount+0x31d/0x420
[ 235.358933][ T7068] ? __pfx___se_sys_mount+0x10/0x10
[ 235.358961][ T7068] ? __x64_sys_mount+0x20/0xc0
[ 235.358986][ T7068] do_syscall_64+0x14d/0xf80
[ 235.359009][ T7068] ? trace_irq_disable+0x3b/0x150
[ 235.359025][ T7068] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.359045][ T7068] ? clear_bhb_loop+0x40/0x90
[ 235.359076][ T7068] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.359095][ T7068] RIP: 0033:0x7f8600f9b60a
[ 235.359114][ T7068] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 235.359128][ T7068] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.359147][ T7068] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 235.359160][ T7068] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 235.359173][ T7068] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 235.359185][ T7068] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 235.359196][ T7068] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 235.359223][ T7068]
[ 235.359250][ T7068] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 235.660916][ T7068] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 235.968324][ T7073] loop1: detected capacity change from 0 to 32768
[ 235.983328][ T7073] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 235.994286][ T7073] CPU: 1 UID: 0 PID: 7073 Comm: syz.1.165 Not tainted syzkaller #0 PREEMPT(full)
[ 235.994310][ T7073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 235.994321][ T7073] Call Trace:
[ 235.994328][ T7073]
[ 235.994336][ T7073] dump_stack_lvl+0xe8/0x150
[ 235.994366][ T7073] sysfs_create_dir_ns+0x271/0x2a0
[ 235.994393][ T7073] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 235.994417][ T7073] ? do_raw_spin_unlock+0xf5/0x210
[ 235.994440][ T7073] kobject_add_internal+0x62b/0xd00
[ 235.994472][ T7073] kobject_init_and_add+0x12b/0x1a0
[ 235.994501][ T7073] ? __pfx_kobject_init_and_add+0x10/0x10
[ 235.994526][ T7073] ? __raw_spin_lock_init+0x45/0x100
[ 235.994546][ T7073] ? __init_swait_queue_head+0xa9/0x150
[ 235.994567][ T7073] gfs2_sys_fs_add+0x257/0x480
[ 235.994591][ T7073] ? is_dynamic_key+0x1ac/0x1c0
[ 235.994615][ T7073] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 235.994645][ T7073] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 235.994676][ T7073] gfs2_fill_super+0x13a7/0x21d0
[ 235.994714][ T7073] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.994740][ T7073] ? sb_set_blocksize+0x155/0x240
[ 235.994761][ T7073] ? setup_bdev_super+0x4c1/0x5b0
[ 235.994779][ T7073] get_tree_bdev_flags+0x431/0x4f0
[ 235.994795][ T7073] ? __pfx_gfs2_fill_super+0x10/0x10
[ 235.994816][ T7073] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 235.994833][ T7073] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 235.994859][ T7073] gfs2_get_tree+0x51/0x1e0
[ 235.994882][ T7073] vfs_get_tree+0x92/0x2a0
[ 235.994903][ T7073] do_new_mount+0x341/0xd30
[ 235.994924][ T7073] ? apparmor_capable+0x126/0x170
[ 235.994948][ T7073] ? __pfx_do_new_mount+0x10/0x10
[ 235.994970][ T7073] ? ns_capable+0x89/0xe0
[ 235.995010][ T7073] ? user_path_at+0xd4/0x160
[ 235.995031][ T7073] __se_sys_mount+0x31d/0x420
[ 235.995060][ T7073] ? __pfx___se_sys_mount+0x10/0x10
[ 235.995088][ T7073] ? __x64_sys_mount+0x20/0xc0
[ 235.995114][ T7073] do_syscall_64+0x14d/0xf80
[ 235.995136][ T7073] ? trace_irq_disable+0x3b/0x150
[ 235.995154][ T7073] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.995173][ T7073] ? clear_bhb_loop+0x40/0x90
[ 235.995196][ T7073] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 235.995215][ T7073] RIP: 0033:0x7f8600f9b60a
[ 235.995233][ T7073] 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
[ 235.995248][ T7073] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 235.995268][ T7073] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 235.995282][ T7073] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 235.995296][ T7073] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 235.995309][ T7073] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 235.995322][ T7073] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 235.995353][ T7073]
[ 235.995387][ T7073] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.297628][ T7073] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 236.610843][ T7078] loop1: detected capacity change from 0 to 32768
[ 236.631461][ T7078] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 236.639047][ T7078] CPU: 0 UID: 0 PID: 7078 Comm: syz.1.166 Not tainted syzkaller #0 PREEMPT(full)
[ 236.639063][ T7078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 236.639070][ T7078] Call Trace:
[ 236.639075][ T7078]
[ 236.639080][ T7078] dump_stack_lvl+0xe8/0x150
[ 236.639101][ T7078] sysfs_create_dir_ns+0x271/0x2a0
[ 236.639119][ T7078] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 236.639135][ T7078] ? do_raw_spin_unlock+0xf5/0x210
[ 236.639149][ T7078] kobject_add_internal+0x62b/0xd00
[ 236.639170][ T7078] kobject_init_and_add+0x12b/0x1a0
[ 236.639188][ T7078] ? __pfx_kobject_init_and_add+0x10/0x10
[ 236.639204][ T7078] ? __raw_spin_lock_init+0x45/0x100
[ 236.639217][ T7078] ? __init_swait_queue_head+0xa9/0x150
[ 236.639230][ T7078] gfs2_sys_fs_add+0x257/0x480
[ 236.639247][ T7078] ? is_dynamic_key+0x1ac/0x1c0
[ 236.639261][ T7078] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 236.639281][ T7078] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 236.639299][ T7078] gfs2_fill_super+0x13a7/0x21d0
[ 236.639320][ T7078] ? __pfx_gfs2_fill_super+0x10/0x10
[ 236.639335][ T7078] ? sb_set_blocksize+0x155/0x240
[ 236.639350][ T7078] ? setup_bdev_super+0x4c1/0x5b0
[ 236.639364][ T7078] get_tree_bdev_flags+0x431/0x4f0
[ 236.639376][ T7078] ? __pfx_gfs2_fill_super+0x10/0x10
[ 236.639388][ T7078] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 236.639405][ T7078] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 236.639428][ T7078] gfs2_get_tree+0x51/0x1e0
[ 236.639449][ T7078] vfs_get_tree+0x92/0x2a0
[ 236.639468][ T7078] do_new_mount+0x341/0xd30
[ 236.639489][ T7078] ? apparmor_capable+0x126/0x170
[ 236.639511][ T7078] ? __pfx_do_new_mount+0x10/0x10
[ 236.639533][ T7078] ? ns_capable+0x89/0xe0
[ 236.639561][ T7078] ? user_path_at+0xd4/0x160
[ 236.639580][ T7078] __se_sys_mount+0x31d/0x420
[ 236.639608][ T7078] ? __pfx___se_sys_mount+0x10/0x10
[ 236.639633][ T7078] ? __x64_sys_mount+0x20/0xc0
[ 236.639657][ T7078] do_syscall_64+0x14d/0xf80
[ 236.639676][ T7078] ? trace_irq_disable+0x3b/0x150
[ 236.639691][ T7078] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 236.639707][ T7078] ? clear_bhb_loop+0x40/0x90
[ 236.639726][ T7078] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 236.639741][ T7078] RIP: 0033:0x7f8600f9b60a
[ 236.639759][ T7078] 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
[ 236.639772][ T7078] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 236.639792][ T7078] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 236.639805][ T7078] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 236.639818][ T7078] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 236.639829][ T7078] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 236.639839][ T7078] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 236.639862][ T7078]
[ 236.935629][ T7078] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 236.949820][ T7078] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.246975][ T7083] loop1: detected capacity change from 0 to 32768
[ 237.266356][ T7083] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.274247][ T7083] CPU: 1 UID: 0 PID: 7083 Comm: syz.1.167 Not tainted syzkaller #0 PREEMPT(full)
[ 237.274271][ T7083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 237.274282][ T7083] Call Trace:
[ 237.274290][ T7083]
[ 237.274298][ T7083] dump_stack_lvl+0xe8/0x150
[ 237.274328][ T7083] sysfs_create_dir_ns+0x271/0x2a0
[ 237.274356][ T7083] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 237.274382][ T7083] ? do_raw_spin_unlock+0xf5/0x210
[ 237.274405][ T7083] kobject_add_internal+0x62b/0xd00
[ 237.274439][ T7083] kobject_init_and_add+0x12b/0x1a0
[ 237.274469][ T7083] ? __pfx_kobject_init_and_add+0x10/0x10
[ 237.274495][ T7083] ? __raw_spin_lock_init+0x45/0x100
[ 237.274515][ T7083] ? __init_swait_queue_head+0xa9/0x150
[ 237.274543][ T7083] gfs2_sys_fs_add+0x257/0x480
[ 237.274570][ T7083] ? is_dynamic_key+0x1ac/0x1c0
[ 237.274594][ T7083] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 237.274628][ T7083] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 237.274668][ T7083] gfs2_fill_super+0x13a7/0x21d0
[ 237.274704][ T7083] ? __pfx_gfs2_fill_super+0x10/0x10
[ 237.274729][ T7083] ? sb_set_blocksize+0x155/0x240
[ 237.274754][ T7083] ? setup_bdev_super+0x4c1/0x5b0
[ 237.274777][ T7083] get_tree_bdev_flags+0x431/0x4f0
[ 237.274798][ T7083] ? __pfx_gfs2_fill_super+0x10/0x10
[ 237.274817][ T7083] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 237.274834][ T7083] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 237.274861][ T7083] gfs2_get_tree+0x51/0x1e0
[ 237.274887][ T7083] vfs_get_tree+0x92/0x2a0
[ 237.274908][ T7083] do_new_mount+0x341/0xd30
[ 237.274931][ T7083] ? apparmor_capable+0x126/0x170
[ 237.274958][ T7083] ? __pfx_do_new_mount+0x10/0x10
[ 237.274981][ T7083] ? ns_capable+0x89/0xe0
[ 237.275013][ T7083] ? user_path_at+0xd4/0x160
[ 237.275033][ T7083] __se_sys_mount+0x31d/0x420
[ 237.275063][ T7083] ? __pfx___se_sys_mount+0x10/0x10
[ 237.275092][ T7083] ? __x64_sys_mount+0x20/0xc0
[ 237.275119][ T7083] do_syscall_64+0x14d/0xf80
[ 237.275140][ T7083] ? trace_irq_disable+0x3b/0x150
[ 237.275157][ T7083] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 237.275175][ T7083] ? clear_bhb_loop+0x40/0x90
[ 237.275197][ T7083] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 237.275216][ T7083] RIP: 0033:0x7f8600f9b60a
[ 237.275234][ T7083] 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
[ 237.275250][ T7083] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.275270][ T7083] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 237.275283][ T7083] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 237.275296][ T7083] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 237.275307][ T7083] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 237.275319][ T7083] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 237.275347][ T7083]
[ 237.275372][ T7083] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 237.577828][ T7083] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 237.888684][ T7087] loop1: detected capacity change from 0 to 32768
[ 237.929621][ T7087] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 237.937051][ T7087] CPU: 1 UID: 0 PID: 7087 Comm: syz.1.168 Not tainted syzkaller #0 PREEMPT(full)
[ 237.937077][ T7087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 237.937088][ T7087] Call Trace:
[ 237.937097][ T7087]
[ 237.937105][ T7087] dump_stack_lvl+0xe8/0x150
[ 237.937137][ T7087] sysfs_create_dir_ns+0x271/0x2a0
[ 237.937165][ T7087] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 237.937191][ T7087] ? do_raw_spin_unlock+0xf5/0x210
[ 237.937216][ T7087] kobject_add_internal+0x62b/0xd00
[ 237.937251][ T7087] kobject_init_and_add+0x12b/0x1a0
[ 237.937282][ T7087] ? __pfx_kobject_init_and_add+0x10/0x10
[ 237.937309][ T7087] ? __raw_spin_lock_init+0x45/0x100
[ 237.937331][ T7087] ? __init_swait_queue_head+0xa9/0x150
[ 237.937353][ T7087] gfs2_sys_fs_add+0x257/0x480
[ 237.937378][ T7087] ? is_dynamic_key+0x1ac/0x1c0
[ 237.937401][ T7087] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 237.937436][ T7087] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 237.937470][ T7087] gfs2_fill_super+0x13a7/0x21d0
[ 237.937507][ T7087] ? __pfx_gfs2_fill_super+0x10/0x10
[ 237.937532][ T7087] ? sb_set_blocksize+0x155/0x240
[ 237.937557][ T7087] ? setup_bdev_super+0x4c1/0x5b0
[ 237.937580][ T7087] get_tree_bdev_flags+0x431/0x4f0
[ 237.937610][ T7087] ? __pfx_gfs2_fill_super+0x10/0x10
[ 237.937631][ T7087] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 237.937649][ T7087] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 237.937678][ T7087] gfs2_get_tree+0x51/0x1e0
[ 237.937703][ T7087] vfs_get_tree+0x92/0x2a0
[ 237.937725][ T7087] do_new_mount+0x341/0xd30
[ 237.937747][ T7087] ? apparmor_capable+0x126/0x170
[ 237.937773][ T7087] ? __pfx_do_new_mount+0x10/0x10
[ 237.937796][ T7087] ? ns_capable+0x89/0xe0
[ 237.937831][ T7087] ? user_path_at+0xd4/0x160
[ 237.937851][ T7087] __se_sys_mount+0x31d/0x420
[ 237.937881][ T7087] ? __pfx___se_sys_mount+0x10/0x10
[ 237.937910][ T7087] ? __x64_sys_mount+0x20/0xc0
[ 237.937936][ T7087] do_syscall_64+0x14d/0xf80
[ 237.937957][ T7087] ? trace_irq_disable+0x3b/0x150
[ 237.937973][ T7087] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 237.937992][ T7087] ? clear_bhb_loop+0x40/0x90
[ 237.938014][ T7087] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 237.938033][ T7087] RIP: 0033:0x7f8600f9b60a
[ 237.938051][ T7087] 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
[ 237.938066][ T7087] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 237.938086][ T7087] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 237.938099][ T7087] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 237.938112][ T7087] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 237.938124][ T7087] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 237.938135][ T7087] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 237.938166][ T7087]
[ 237.938191][ T7087] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.239492][ T7087] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 238.543773][ T7092] loop1: detected capacity change from 0 to 32768
[ 238.572715][ T7092] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 238.580481][ T7092] CPU: 1 UID: 0 PID: 7092 Comm: syz.1.169 Not tainted syzkaller #0 PREEMPT(full)
[ 238.580505][ T7092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 238.580516][ T7092] Call Trace:
[ 238.580524][ T7092]
[ 238.580531][ T7092] dump_stack_lvl+0xe8/0x150
[ 238.580560][ T7092] sysfs_create_dir_ns+0x271/0x2a0
[ 238.580600][ T7092] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 238.580624][ T7092] ? do_raw_spin_unlock+0xf5/0x210
[ 238.580646][ T7092] kobject_add_internal+0x62b/0xd00
[ 238.580678][ T7092] kobject_init_and_add+0x12b/0x1a0
[ 238.580705][ T7092] ? __pfx_kobject_init_and_add+0x10/0x10
[ 238.580730][ T7092] ? __raw_spin_lock_init+0x45/0x100
[ 238.580750][ T7092] ? __init_swait_queue_head+0xa9/0x150
[ 238.580769][ T7092] gfs2_sys_fs_add+0x257/0x480
[ 238.580793][ T7092] ? is_dynamic_key+0x1ac/0x1c0
[ 238.580815][ T7092] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 238.580848][ T7092] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 238.580870][ T7092] gfs2_fill_super+0x13a7/0x21d0
[ 238.580890][ T7092] ? __pfx_gfs2_fill_super+0x10/0x10
[ 238.580906][ T7092] ? sb_set_blocksize+0x155/0x240
[ 238.580920][ T7092] ? setup_bdev_super+0x4c1/0x5b0
[ 238.580934][ T7092] get_tree_bdev_flags+0x431/0x4f0
[ 238.580946][ T7092] ? __pfx_gfs2_fill_super+0x10/0x10
[ 238.580958][ T7092] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 238.580968][ T7092] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 238.580984][ T7092] gfs2_get_tree+0x51/0x1e0
[ 238.580998][ T7092] vfs_get_tree+0x92/0x2a0
[ 238.581011][ T7092] do_new_mount+0x341/0xd30
[ 238.581025][ T7092] ? apparmor_capable+0x126/0x170
[ 238.581041][ T7092] ? __pfx_do_new_mount+0x10/0x10
[ 238.581055][ T7092] ? ns_capable+0x89/0xe0
[ 238.581075][ T7092] ? user_path_at+0xd4/0x160
[ 238.581087][ T7092] __se_sys_mount+0x31d/0x420
[ 238.581104][ T7092] ? __pfx___se_sys_mount+0x10/0x10
[ 238.581123][ T7092] ? __x64_sys_mount+0x20/0xc0
[ 238.581139][ T7092] do_syscall_64+0x14d/0xf80
[ 238.581153][ T7092] ? trace_irq_disable+0x3b/0x150
[ 238.581162][ T7092] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 238.581173][ T7092] ? clear_bhb_loop+0x40/0x90
[ 238.581186][ T7092] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 238.581197][ T7092] RIP: 0033:0x7f8600f9b60a
[ 238.581208][ T7092] 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
[ 238.581217][ T7092] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 238.581229][ T7092] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 238.581237][ T7092] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 238.581244][ T7092] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 238.581251][ T7092] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 238.581258][ T7092] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 238.581273][ T7092]
[ 238.581289][ T7092] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 238.883268][ T7092] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:43:36 executed programs: 155
[ 239.182667][ T7096] loop1: detected capacity change from 0 to 32768
[ 239.219706][ T7096] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.227133][ T7096] CPU: 1 UID: 0 PID: 7096 Comm: syz.1.170 Not tainted syzkaller #0 PREEMPT(full)
[ 239.227160][ T7096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 239.227170][ T7096] Call Trace:
[ 239.227180][ T7096]
[ 239.227189][ T7096] dump_stack_lvl+0xe8/0x150
[ 239.227219][ T7096] sysfs_create_dir_ns+0x271/0x2a0
[ 239.227241][ T7096] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 239.227261][ T7096] ? do_raw_spin_unlock+0xf5/0x210
[ 239.227280][ T7096] kobject_add_internal+0x62b/0xd00
[ 239.227307][ T7096] kobject_init_and_add+0x12b/0x1a0
[ 239.227330][ T7096] ? __pfx_kobject_init_and_add+0x10/0x10
[ 239.227350][ T7096] ? __raw_spin_lock_init+0x45/0x100
[ 239.227366][ T7096] ? __init_swait_queue_head+0xa9/0x150
[ 239.227389][ T7096] gfs2_sys_fs_add+0x257/0x480
[ 239.227409][ T7096] ? is_dynamic_key+0x1ac/0x1c0
[ 239.227427][ T7096] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 239.227453][ T7096] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 239.227478][ T7096] gfs2_fill_super+0x13a7/0x21d0
[ 239.227506][ T7096] ? __pfx_gfs2_fill_super+0x10/0x10
[ 239.227525][ T7096] ? sb_set_blocksize+0x155/0x240
[ 239.227551][ T7096] ? setup_bdev_super+0x4c1/0x5b0
[ 239.227570][ T7096] get_tree_bdev_flags+0x431/0x4f0
[ 239.227585][ T7096] ? __pfx_gfs2_fill_super+0x10/0x10
[ 239.227601][ T7096] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 239.227614][ T7096] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 239.227636][ T7096] gfs2_get_tree+0x51/0x1e0
[ 239.227655][ T7096] vfs_get_tree+0x92/0x2a0
[ 239.227672][ T7096] do_new_mount+0x341/0xd30
[ 239.227689][ T7096] ? apparmor_capable+0x126/0x170
[ 239.227709][ T7096] ? __pfx_do_new_mount+0x10/0x10
[ 239.227727][ T7096] ? ns_capable+0x89/0xe0
[ 239.227753][ T7096] ? user_path_at+0xd4/0x160
[ 239.227768][ T7096] __se_sys_mount+0x31d/0x420
[ 239.227793][ T7096] ? __pfx___se_sys_mount+0x10/0x10
[ 239.227815][ T7096] ? __x64_sys_mount+0x20/0xc0
[ 239.227835][ T7096] do_syscall_64+0x14d/0xf80
[ 239.227853][ T7096] ? trace_irq_disable+0x3b/0x150
[ 239.227866][ T7096] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 239.227880][ T7096] ? clear_bhb_loop+0x40/0x90
[ 239.227896][ T7096] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 239.227911][ T7096] RIP: 0033:0x7f8600f9b60a
[ 239.227927][ T7096] 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
[ 239.227939][ T7096] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.227955][ T7096] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 239.227966][ T7096] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 239.227976][ T7096] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 239.227986][ T7096] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 239.227995][ T7096] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 239.228017][ T7096]
[ 239.228075][ T7096] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 239.528771][ T7096] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 239.828263][ T7100] loop1: detected capacity change from 0 to 32768
[ 239.847451][ T7100] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 239.856197][ T7100] CPU: 0 UID: 0 PID: 7100 Comm: syz.1.171 Not tainted syzkaller #0 PREEMPT(full)
[ 239.856223][ T7100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 239.856234][ T7100] Call Trace:
[ 239.856241][ T7100]
[ 239.856249][ T7100] dump_stack_lvl+0xe8/0x150
[ 239.856278][ T7100] sysfs_create_dir_ns+0x271/0x2a0
[ 239.856305][ T7100] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 239.856330][ T7100] ? do_raw_spin_unlock+0xf5/0x210
[ 239.856354][ T7100] kobject_add_internal+0x62b/0xd00
[ 239.856385][ T7100] kobject_init_and_add+0x12b/0x1a0
[ 239.856415][ T7100] ? __pfx_kobject_init_and_add+0x10/0x10
[ 239.856441][ T7100] ? __raw_spin_lock_init+0x45/0x100
[ 239.856461][ T7100] ? __init_swait_queue_head+0xa9/0x150
[ 239.856484][ T7100] gfs2_sys_fs_add+0x257/0x480
[ 239.856509][ T7100] ? is_dynamic_key+0x1ac/0x1c0
[ 239.856532][ T7100] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 239.856564][ T7100] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 239.856597][ T7100] gfs2_fill_super+0x13a7/0x21d0
[ 239.856631][ T7100] ? __pfx_gfs2_fill_super+0x10/0x10
[ 239.856654][ T7100] ? sb_set_blocksize+0x155/0x240
[ 239.856675][ T7100] ? setup_bdev_super+0x4c1/0x5b0
[ 239.856696][ T7100] get_tree_bdev_flags+0x431/0x4f0
[ 239.856722][ T7100] ? __pfx_gfs2_fill_super+0x10/0x10
[ 239.856740][ T7100] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 239.856756][ T7100] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 239.856781][ T7100] gfs2_get_tree+0x51/0x1e0
[ 239.856804][ T7100] vfs_get_tree+0x92/0x2a0
[ 239.856825][ T7100] do_new_mount+0x341/0xd30
[ 239.856846][ T7100] ? apparmor_capable+0x126/0x170
[ 239.856871][ T7100] ? __pfx_do_new_mount+0x10/0x10
[ 239.856893][ T7100] ? ns_capable+0x89/0xe0
[ 239.856925][ T7100] ? user_path_at+0xd4/0x160
[ 239.856944][ T7100] __se_sys_mount+0x31d/0x420
[ 239.856973][ T7100] ? __pfx___se_sys_mount+0x10/0x10
[ 239.856997][ T7100] ? __x64_sys_mount+0x20/0xc0
[ 239.857017][ T7100] do_syscall_64+0x14d/0xf80
[ 239.857038][ T7100] ? trace_irq_disable+0x3b/0x150
[ 239.857051][ T7100] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 239.857069][ T7100] ? clear_bhb_loop+0x40/0x90
[ 239.857089][ T7100] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 239.857107][ T7100] RIP: 0033:0x7f8600f9b60a
[ 239.857123][ T7100] 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
[ 239.857138][ T7100] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 239.857157][ T7100] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 239.857170][ T7100] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 239.857181][ T7100] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 239.857191][ T7100] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 239.857202][ T7100] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 239.857227][ T7100]
[ 239.857282][ T7100] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.159027][ T7100] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 240.466013][ T7104] loop1: detected capacity change from 0 to 32768
[ 240.478899][ T7104] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 240.486632][ T7104] CPU: 1 UID: 0 PID: 7104 Comm: syz.1.172 Not tainted syzkaller #0 PREEMPT(full)
[ 240.486656][ T7104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 240.486667][ T7104] Call Trace:
[ 240.486674][ T7104]
[ 240.486682][ T7104] dump_stack_lvl+0xe8/0x150
[ 240.486711][ T7104] sysfs_create_dir_ns+0x271/0x2a0
[ 240.486738][ T7104] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 240.486764][ T7104] ? do_raw_spin_unlock+0xf5/0x210
[ 240.486787][ T7104] kobject_add_internal+0x62b/0xd00
[ 240.486820][ T7104] kobject_init_and_add+0x12b/0x1a0
[ 240.486850][ T7104] ? __pfx_kobject_init_and_add+0x10/0x10
[ 240.486878][ T7104] ? __raw_spin_lock_init+0x45/0x100
[ 240.486900][ T7104] ? __init_swait_queue_head+0xa9/0x150
[ 240.486924][ T7104] gfs2_sys_fs_add+0x257/0x480
[ 240.486948][ T7104] ? is_dynamic_key+0x1ac/0x1c0
[ 240.486972][ T7104] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 240.487005][ T7104] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 240.487036][ T7104] gfs2_fill_super+0x13a7/0x21d0
[ 240.487073][ T7104] ? __pfx_gfs2_fill_super+0x10/0x10
[ 240.487098][ T7104] ? sb_set_blocksize+0x155/0x240
[ 240.487123][ T7104] ? setup_bdev_super+0x4c1/0x5b0
[ 240.487146][ T7104] get_tree_bdev_flags+0x431/0x4f0
[ 240.487165][ T7104] ? __pfx_gfs2_fill_super+0x10/0x10
[ 240.487185][ T7104] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 240.487203][ T7104] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 240.487230][ T7104] gfs2_get_tree+0x51/0x1e0
[ 240.487255][ T7104] vfs_get_tree+0x92/0x2a0
[ 240.487282][ T7104] do_new_mount+0x341/0xd30
[ 240.487304][ T7104] ? apparmor_capable+0x126/0x170
[ 240.487330][ T7104] ? __pfx_do_new_mount+0x10/0x10
[ 240.487354][ T7104] ? ns_capable+0x89/0xe0
[ 240.487387][ T7104] ? user_path_at+0xd4/0x160
[ 240.487415][ T7104] __se_sys_mount+0x31d/0x420
[ 240.487444][ T7104] ? __pfx___se_sys_mount+0x10/0x10
[ 240.487474][ T7104] ? __x64_sys_mount+0x20/0xc0
[ 240.487499][ T7104] do_syscall_64+0x14d/0xf80
[ 240.487522][ T7104] ? trace_irq_disable+0x3b/0x150
[ 240.487537][ T7104] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 240.487556][ T7104] ? clear_bhb_loop+0x40/0x90
[ 240.487577][ T7104] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 240.487595][ T7104] RIP: 0033:0x7f8600f9b60a
[ 240.487613][ T7104] 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
[ 240.487628][ T7104] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 240.487646][ T7104] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 240.487660][ T7104] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 240.487672][ T7104] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 240.487683][ T7104] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 240.487695][ T7104] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 240.487724][ T7104]
[ 240.488285][ T7104] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 240.791434][ T7104] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.102043][ T7108] loop1: detected capacity change from 0 to 32768
[ 241.129602][ T7108] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.137031][ T7108] CPU: 1 UID: 0 PID: 7108 Comm: syz.1.173 Not tainted syzkaller #0 PREEMPT(full)
[ 241.137047][ T7108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 241.137054][ T7108] Call Trace:
[ 241.137059][ T7108]
[ 241.137064][ T7108] dump_stack_lvl+0xe8/0x150
[ 241.137086][ T7108] sysfs_create_dir_ns+0x271/0x2a0
[ 241.137104][ T7108] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 241.137119][ T7108] ? do_raw_spin_unlock+0xf5/0x210
[ 241.137134][ T7108] kobject_add_internal+0x62b/0xd00
[ 241.137155][ T7108] kobject_init_and_add+0x12b/0x1a0
[ 241.137173][ T7108] ? __pfx_kobject_init_and_add+0x10/0x10
[ 241.137190][ T7108] ? __raw_spin_lock_init+0x45/0x100
[ 241.137202][ T7108] ? __init_swait_queue_head+0xa9/0x150
[ 241.137216][ T7108] gfs2_sys_fs_add+0x257/0x480
[ 241.137232][ T7108] ? is_dynamic_key+0x1ac/0x1c0
[ 241.137246][ T7108] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 241.137266][ T7108] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 241.137284][ T7108] gfs2_fill_super+0x13a7/0x21d0
[ 241.137305][ T7108] ? __pfx_gfs2_fill_super+0x10/0x10
[ 241.137320][ T7108] ? sb_set_blocksize+0x155/0x240
[ 241.137336][ T7108] ? setup_bdev_super+0x4c1/0x5b0
[ 241.137349][ T7108] get_tree_bdev_flags+0x431/0x4f0
[ 241.137361][ T7108] ? __pfx_gfs2_fill_super+0x10/0x10
[ 241.137374][ T7108] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 241.137384][ T7108] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 241.137400][ T7108] gfs2_get_tree+0x51/0x1e0
[ 241.137414][ T7108] vfs_get_tree+0x92/0x2a0
[ 241.137427][ T7108] do_new_mount+0x341/0xd30
[ 241.137441][ T7108] ? apparmor_capable+0x126/0x170
[ 241.137457][ T7108] ? __pfx_do_new_mount+0x10/0x10
[ 241.137471][ T7108] ? ns_capable+0x89/0xe0
[ 241.137490][ T7108] ? user_path_at+0xd4/0x160
[ 241.137502][ T7108] __se_sys_mount+0x31d/0x420
[ 241.137519][ T7108] ? __pfx___se_sys_mount+0x10/0x10
[ 241.137538][ T7108] ? __x64_sys_mount+0x20/0xc0
[ 241.137553][ T7108] do_syscall_64+0x14d/0xf80
[ 241.137567][ T7108] ? trace_irq_disable+0x3b/0x150
[ 241.137577][ T7108] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 241.137588][ T7108] ? clear_bhb_loop+0x40/0x90
[ 241.137601][ T7108] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 241.137616][ T7108] RIP: 0033:0x7f8600f9b60a
[ 241.137628][ T7108] 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
[ 241.137637][ T7108] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.137649][ T7108] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 241.137657][ T7108] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 241.137664][ T7108] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 241.137671][ T7108] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 241.137677][ T7108] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 241.137693][ T7108]
[ 241.137710][ T7108] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 241.439006][ T7108] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 241.745440][ T7112] loop1: detected capacity change from 0 to 32768
[ 241.775734][ T7112] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 241.783771][ T7112] CPU: 0 UID: 0 PID: 7112 Comm: syz.1.174 Not tainted syzkaller #0 PREEMPT(full)
[ 241.783798][ T7112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 241.783808][ T7112] Call Trace:
[ 241.783816][ T7112]
[ 241.783824][ T7112] dump_stack_lvl+0xe8/0x150
[ 241.783856][ T7112] sysfs_create_dir_ns+0x271/0x2a0
[ 241.783884][ T7112] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 241.783910][ T7112] ? do_raw_spin_unlock+0xf5/0x210
[ 241.783933][ T7112] kobject_add_internal+0x62b/0xd00
[ 241.783965][ T7112] kobject_init_and_add+0x12b/0x1a0
[ 241.783996][ T7112] ? __pfx_kobject_init_and_add+0x10/0x10
[ 241.784023][ T7112] ? __raw_spin_lock_init+0x45/0x100
[ 241.784044][ T7112] ? __init_swait_queue_head+0xa9/0x150
[ 241.784068][ T7112] gfs2_sys_fs_add+0x257/0x480
[ 241.784093][ T7112] ? is_dynamic_key+0x1ac/0x1c0
[ 241.784116][ T7112] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 241.784148][ T7112] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 241.784181][ T7112] gfs2_fill_super+0x13a7/0x21d0
[ 241.784217][ T7112] ? __pfx_gfs2_fill_super+0x10/0x10
[ 241.784242][ T7112] ? sb_set_blocksize+0x155/0x240
[ 241.784267][ T7112] ? setup_bdev_super+0x4c1/0x5b0
[ 241.784305][ T7112] get_tree_bdev_flags+0x431/0x4f0
[ 241.784335][ T7112] ? __pfx_gfs2_fill_super+0x10/0x10
[ 241.784357][ T7112] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 241.784375][ T7112] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 241.784404][ T7112] gfs2_get_tree+0x51/0x1e0
[ 241.784427][ T7112] vfs_get_tree+0x92/0x2a0
[ 241.784448][ T7112] do_new_mount+0x341/0xd30
[ 241.784470][ T7112] ? apparmor_capable+0x126/0x170
[ 241.784494][ T7112] ? __pfx_do_new_mount+0x10/0x10
[ 241.784515][ T7112] ? ns_capable+0x89/0xe0
[ 241.784546][ T7112] ? user_path_at+0xd4/0x160
[ 241.784566][ T7112] __se_sys_mount+0x31d/0x420
[ 241.784596][ T7112] ? __pfx___se_sys_mount+0x10/0x10
[ 241.784624][ T7112] ? __x64_sys_mount+0x20/0xc0
[ 241.784649][ T7112] do_syscall_64+0x14d/0xf80
[ 241.784671][ T7112] ? trace_irq_disable+0x3b/0x150
[ 241.784686][ T7112] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 241.784704][ T7112] ? clear_bhb_loop+0x40/0x90
[ 241.784726][ T7112] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 241.784745][ T7112] RIP: 0033:0x7f8600f9b60a
[ 241.784763][ T7112] 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
[ 241.784776][ T7112] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 241.784795][ T7112] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 241.784809][ T7112] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 241.784821][ T7112] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 241.784834][ T7112] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 241.784846][ T7112] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 241.784876][ T7112]
[ 241.784902][ T7112] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.086875][ T7112] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 242.425360][ T7116] loop1: detected capacity change from 0 to 32768
[ 242.437747][ T7116] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 242.446107][ T7116] CPU: 1 UID: 0 PID: 7116 Comm: syz.1.175 Not tainted syzkaller #0 PREEMPT(full)
[ 242.446131][ T7116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 242.446149][ T7116] Call Trace:
[ 242.446157][ T7116]
[ 242.446165][ T7116] dump_stack_lvl+0xe8/0x150
[ 242.446197][ T7116] sysfs_create_dir_ns+0x271/0x2a0
[ 242.446223][ T7116] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 242.446255][ T7116] ? do_raw_spin_unlock+0xf5/0x210
[ 242.446279][ T7116] kobject_add_internal+0x62b/0xd00
[ 242.446314][ T7116] kobject_init_and_add+0x12b/0x1a0
[ 242.446344][ T7116] ? __pfx_kobject_init_and_add+0x10/0x10
[ 242.446370][ T7116] ? __raw_spin_lock_init+0x45/0x100
[ 242.446391][ T7116] ? __init_swait_queue_head+0xa9/0x150
[ 242.446412][ T7116] gfs2_sys_fs_add+0x257/0x480
[ 242.446437][ T7116] ? is_dynamic_key+0x1ac/0x1c0
[ 242.446459][ T7116] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 242.446489][ T7116] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 242.446519][ T7116] gfs2_fill_super+0x13a7/0x21d0
[ 242.446555][ T7116] ? __pfx_gfs2_fill_super+0x10/0x10
[ 242.446574][ T7116] ? sb_set_blocksize+0x155/0x240
[ 242.446589][ T7116] ? setup_bdev_super+0x4c1/0x5b0
[ 242.446603][ T7116] get_tree_bdev_flags+0x431/0x4f0
[ 242.446614][ T7116] ? __pfx_gfs2_fill_super+0x10/0x10
[ 242.446627][ T7116] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 242.446637][ T7116] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 242.446653][ T7116] gfs2_get_tree+0x51/0x1e0
[ 242.446668][ T7116] vfs_get_tree+0x92/0x2a0
[ 242.446681][ T7116] do_new_mount+0x341/0xd30
[ 242.446695][ T7116] ? apparmor_capable+0x126/0x170
[ 242.446711][ T7116] ? __pfx_do_new_mount+0x10/0x10
[ 242.446726][ T7116] ? ns_capable+0x89/0xe0
[ 242.446745][ T7116] ? user_path_at+0xd4/0x160
[ 242.446757][ T7116] __se_sys_mount+0x31d/0x420
[ 242.446775][ T7116] ? __pfx___se_sys_mount+0x10/0x10
[ 242.446793][ T7116] ? __x64_sys_mount+0x20/0xc0
[ 242.446809][ T7116] do_syscall_64+0x14d/0xf80
[ 242.446823][ T7116] ? trace_irq_disable+0x3b/0x150
[ 242.446832][ T7116] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 242.446843][ T7116] ? clear_bhb_loop+0x40/0x90
[ 242.446856][ T7116] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 242.446866][ T7116] RIP: 0033:0x7f8600f9b60a
[ 242.446878][ T7116] 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
[ 242.446887][ T7116] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 242.446899][ T7116] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 242.446906][ T7116] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 242.446913][ T7116] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 242.446921][ T7116] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 242.446927][ T7116] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 242.446943][ T7116]
[ 242.447061][ T7116] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 242.747412][ T7116] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.066822][ T7120] loop1: detected capacity change from 0 to 32768
[ 243.092328][ T7120] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.099850][ T7120] CPU: 0 UID: 0 PID: 7120 Comm: syz.1.176 Not tainted syzkaller #0 PREEMPT(full)
[ 243.099875][ T7120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 243.099885][ T7120] Call Trace:
[ 243.099893][ T7120]
[ 243.099899][ T7120] dump_stack_lvl+0xe8/0x150
[ 243.099928][ T7120] sysfs_create_dir_ns+0x271/0x2a0
[ 243.099955][ T7120] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 243.099980][ T7120] ? do_raw_spin_unlock+0xf5/0x210
[ 243.100005][ T7120] kobject_add_internal+0x62b/0xd00
[ 243.100038][ T7120] kobject_init_and_add+0x12b/0x1a0
[ 243.100066][ T7120] ? __pfx_kobject_init_and_add+0x10/0x10
[ 243.100090][ T7120] ? __raw_spin_lock_init+0x45/0x100
[ 243.100110][ T7120] ? __init_swait_queue_head+0xa9/0x150
[ 243.100133][ T7120] gfs2_sys_fs_add+0x257/0x480
[ 243.100157][ T7120] ? is_dynamic_key+0x1ac/0x1c0
[ 243.100180][ T7120] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 243.100223][ T7120] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 243.100255][ T7120] gfs2_fill_super+0x13a7/0x21d0
[ 243.100291][ T7120] ? __pfx_gfs2_fill_super+0x10/0x10
[ 243.100317][ T7120] ? sb_set_blocksize+0x155/0x240
[ 243.100343][ T7120] ? setup_bdev_super+0x4c1/0x5b0
[ 243.100366][ T7120] get_tree_bdev_flags+0x431/0x4f0
[ 243.100387][ T7120] ? __pfx_gfs2_fill_super+0x10/0x10
[ 243.100410][ T7120] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 243.100428][ T7120] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 243.100455][ T7120] gfs2_get_tree+0x51/0x1e0
[ 243.100479][ T7120] vfs_get_tree+0x92/0x2a0
[ 243.100501][ T7120] do_new_mount+0x341/0xd30
[ 243.100523][ T7120] ? apparmor_capable+0x126/0x170
[ 243.100549][ T7120] ? __pfx_do_new_mount+0x10/0x10
[ 243.100572][ T7120] ? ns_capable+0x89/0xe0
[ 243.100605][ T7120] ? user_path_at+0xd4/0x160
[ 243.100625][ T7120] __se_sys_mount+0x31d/0x420
[ 243.100655][ T7120] ? __pfx___se_sys_mount+0x10/0x10
[ 243.100686][ T7120] ? __x64_sys_mount+0x20/0xc0
[ 243.100712][ T7120] do_syscall_64+0x14d/0xf80
[ 243.100734][ T7120] ? trace_irq_disable+0x3b/0x150
[ 243.100749][ T7120] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 243.100766][ T7120] ? clear_bhb_loop+0x40/0x90
[ 243.100787][ T7120] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 243.100804][ T7120] RIP: 0033:0x7f8600f9b60a
[ 243.100820][ T7120] 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
[ 243.100833][ T7120] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.100851][ T7120] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 243.100864][ T7120] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 243.100875][ T7120] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 243.100887][ T7120] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 243.100897][ T7120] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 243.100931][ T7120]
[ 243.101029][ T7120] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 243.404229][ T7120] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 243.716613][ T7124] loop1: detected capacity change from 0 to 32768
[ 243.731945][ T7124] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 243.740852][ T7124] CPU: 1 UID: 0 PID: 7124 Comm: syz.1.177 Not tainted syzkaller #0 PREEMPT(full)
[ 243.740876][ T7124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 243.740887][ T7124] Call Trace:
[ 243.740895][ T7124]
[ 243.740903][ T7124] dump_stack_lvl+0xe8/0x150
[ 243.740933][ T7124] sysfs_create_dir_ns+0x271/0x2a0
[ 243.740960][ T7124] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 243.740985][ T7124] ? do_raw_spin_unlock+0xf5/0x210
[ 243.741008][ T7124] kobject_add_internal+0x62b/0xd00
[ 243.741042][ T7124] kobject_init_and_add+0x12b/0x1a0
[ 243.741072][ T7124] ? __pfx_kobject_init_and_add+0x10/0x10
[ 243.741099][ T7124] ? __raw_spin_lock_init+0x45/0x100
[ 243.741121][ T7124] ? __init_swait_queue_head+0xa9/0x150
[ 243.741143][ T7124] gfs2_sys_fs_add+0x257/0x480
[ 243.741178][ T7124] ? is_dynamic_key+0x1ac/0x1c0
[ 243.741201][ T7124] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 243.741232][ T7124] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 243.741261][ T7124] gfs2_fill_super+0x13a7/0x21d0
[ 243.741295][ T7124] ? __pfx_gfs2_fill_super+0x10/0x10
[ 243.741320][ T7124] ? sb_set_blocksize+0x155/0x240
[ 243.741343][ T7124] ? setup_bdev_super+0x4c1/0x5b0
[ 243.741359][ T7124] get_tree_bdev_flags+0x431/0x4f0
[ 243.741371][ T7124] ? __pfx_gfs2_fill_super+0x10/0x10
[ 243.741383][ T7124] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 243.741394][ T7124] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 243.741412][ T7124] gfs2_get_tree+0x51/0x1e0
[ 243.741427][ T7124] vfs_get_tree+0x92/0x2a0
[ 243.741440][ T7124] do_new_mount+0x341/0xd30
[ 243.741454][ T7124] ? apparmor_capable+0x126/0x170
[ 243.741470][ T7124] ? __pfx_do_new_mount+0x10/0x10
[ 243.741484][ T7124] ? ns_capable+0x89/0xe0
[ 243.741504][ T7124] ? user_path_at+0xd4/0x160
[ 243.741516][ T7124] __se_sys_mount+0x31d/0x420
[ 243.741534][ T7124] ? __pfx___se_sys_mount+0x10/0x10
[ 243.741552][ T7124] ? __x64_sys_mount+0x20/0xc0
[ 243.741568][ T7124] do_syscall_64+0x14d/0xf80
[ 243.741582][ T7124] ? trace_irq_disable+0x3b/0x150
[ 243.741591][ T7124] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 243.741602][ T7124] ? clear_bhb_loop+0x40/0x90
[ 243.741615][ T7124] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 243.741626][ T7124] RIP: 0033:0x7f8600f9b60a
[ 243.741638][ T7124] 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
[ 243.741646][ T7124] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 243.741659][ T7124] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 243.741667][ T7124] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 243.741674][ T7124] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 243.741680][ T7124] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 243.741687][ T7124] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 243.741703][ T7124]
[ 243.741824][ T7124] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.043205][ T7124] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:43:41 executed programs: 163
[ 244.350159][ T7128] loop1: detected capacity change from 0 to 32768
[ 244.368576][ T7128] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.376120][ T7128] CPU: 1 UID: 0 PID: 7128 Comm: syz.1.178 Not tainted syzkaller #0 PREEMPT(full)
[ 244.376144][ T7128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 244.376155][ T7128] Call Trace:
[ 244.376162][ T7128]
[ 244.376170][ T7128] dump_stack_lvl+0xe8/0x150
[ 244.376194][ T7128] sysfs_create_dir_ns+0x271/0x2a0
[ 244.376212][ T7128] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 244.376227][ T7128] ? do_raw_spin_unlock+0xf5/0x210
[ 244.376242][ T7128] kobject_add_internal+0x62b/0xd00
[ 244.376263][ T7128] kobject_init_and_add+0x12b/0x1a0
[ 244.376281][ T7128] ? __pfx_kobject_init_and_add+0x10/0x10
[ 244.376298][ T7128] ? __raw_spin_lock_init+0x45/0x100
[ 244.376310][ T7128] ? __init_swait_queue_head+0xa9/0x150
[ 244.376323][ T7128] gfs2_sys_fs_add+0x257/0x480
[ 244.376342][ T7128] ? is_dynamic_key+0x1ac/0x1c0
[ 244.376356][ T7128] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 244.376376][ T7128] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 244.376394][ T7128] gfs2_fill_super+0x13a7/0x21d0
[ 244.376415][ T7128] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.376430][ T7128] ? sb_set_blocksize+0x155/0x240
[ 244.376445][ T7128] ? setup_bdev_super+0x4c1/0x5b0
[ 244.376459][ T7128] get_tree_bdev_flags+0x431/0x4f0
[ 244.376471][ T7128] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.376483][ T7128] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 244.376494][ T7128] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 244.376509][ T7128] gfs2_get_tree+0x51/0x1e0
[ 244.376524][ T7128] vfs_get_tree+0x92/0x2a0
[ 244.376536][ T7128] do_new_mount+0x341/0xd30
[ 244.376551][ T7128] ? apparmor_capable+0x126/0x170
[ 244.376567][ T7128] ? __pfx_do_new_mount+0x10/0x10
[ 244.376581][ T7128] ? ns_capable+0x89/0xe0
[ 244.376601][ T7128] ? user_path_at+0xd4/0x160
[ 244.376613][ T7128] __se_sys_mount+0x31d/0x420
[ 244.376630][ T7128] ? __pfx___se_sys_mount+0x10/0x10
[ 244.376648][ T7128] ? __x64_sys_mount+0x20/0xc0
[ 244.376664][ T7128] do_syscall_64+0x14d/0xf80
[ 244.376678][ T7128] ? trace_irq_disable+0x3b/0x150
[ 244.376687][ T7128] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.376698][ T7128] ? clear_bhb_loop+0x40/0x90
[ 244.376711][ T7128] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.376723][ T7128] RIP: 0033:0x7f8600f9b60a
[ 244.376734][ T7128] 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
[ 244.376743][ T7128] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.376755][ T7128] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 244.376763][ T7128] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 244.376770][ T7128] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 244.376777][ T7128] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 244.376784][ T7128] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 244.376799][ T7128]
[ 244.376815][ T7128] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 244.678494][ T7128] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 244.971248][ T7132] loop1: detected capacity change from 0 to 32768
[ 244.984757][ T7132] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 244.992405][ T7132] CPU: 1 UID: 0 PID: 7132 Comm: syz.1.179 Not tainted syzkaller #0 PREEMPT(full)
[ 244.992428][ T7132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 244.992437][ T7132] Call Trace:
[ 244.992444][ T7132]
[ 244.992452][ T7132] dump_stack_lvl+0xe8/0x150
[ 244.992482][ T7132] sysfs_create_dir_ns+0x271/0x2a0
[ 244.992509][ T7132] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 244.992534][ T7132] ? do_raw_spin_unlock+0xf5/0x210
[ 244.992557][ T7132] kobject_add_internal+0x62b/0xd00
[ 244.992586][ T7132] kobject_init_and_add+0x12b/0x1a0
[ 244.992605][ T7132] ? __pfx_kobject_init_and_add+0x10/0x10
[ 244.992621][ T7132] ? __raw_spin_lock_init+0x45/0x100
[ 244.992634][ T7132] ? __init_swait_queue_head+0xa9/0x150
[ 244.992647][ T7132] gfs2_sys_fs_add+0x257/0x480
[ 244.992663][ T7132] ? is_dynamic_key+0x1ac/0x1c0
[ 244.992678][ T7132] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 244.992698][ T7132] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 244.992716][ T7132] gfs2_fill_super+0x13a7/0x21d0
[ 244.992737][ T7132] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.992752][ T7132] ? sb_set_blocksize+0x155/0x240
[ 244.992767][ T7132] ? setup_bdev_super+0x4c1/0x5b0
[ 244.992780][ T7132] get_tree_bdev_flags+0x431/0x4f0
[ 244.992792][ T7132] ? __pfx_gfs2_fill_super+0x10/0x10
[ 244.992804][ T7132] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 244.992815][ T7132] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 244.992831][ T7132] gfs2_get_tree+0x51/0x1e0
[ 244.992845][ T7132] vfs_get_tree+0x92/0x2a0
[ 244.992858][ T7132] do_new_mount+0x341/0xd30
[ 244.992872][ T7132] ? apparmor_capable+0x126/0x170
[ 244.992888][ T7132] ? __pfx_do_new_mount+0x10/0x10
[ 244.992902][ T7132] ? ns_capable+0x89/0xe0
[ 244.992922][ T7132] ? user_path_at+0xd4/0x160
[ 244.992934][ T7132] __se_sys_mount+0x31d/0x420
[ 244.992952][ T7132] ? __pfx___se_sys_mount+0x10/0x10
[ 244.992969][ T7132] ? __x64_sys_mount+0x20/0xc0
[ 244.992985][ T7132] do_syscall_64+0x14d/0xf80
[ 244.992999][ T7132] ? trace_irq_disable+0x3b/0x150
[ 244.993009][ T7132] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.993019][ T7132] ? clear_bhb_loop+0x40/0x90
[ 244.993033][ T7132] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 244.993043][ T7132] RIP: 0033:0x7f8600f9b60a
[ 244.993055][ T7132] 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
[ 244.993064][ T7132] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 244.993076][ T7132] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 244.993084][ T7132] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 244.993091][ T7132] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 244.993098][ T7132] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 244.993104][ T7132] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 244.993120][ T7132]
[ 244.993508][ T7132] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.298194][ T7132] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 245.607125][ T7136] loop1: detected capacity change from 0 to 32768
[ 245.620045][ T7136] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 245.628157][ T7136] CPU: 0 UID: 0 PID: 7136 Comm: syz.1.180 Not tainted syzkaller #0 PREEMPT(full)
[ 245.628180][ T7136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 245.628191][ T7136] Call Trace:
[ 245.628199][ T7136]
[ 245.628206][ T7136] dump_stack_lvl+0xe8/0x150
[ 245.628238][ T7136] sysfs_create_dir_ns+0x271/0x2a0
[ 245.628265][ T7136] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 245.628290][ T7136] ? do_raw_spin_unlock+0xf5/0x210
[ 245.628314][ T7136] kobject_add_internal+0x62b/0xd00
[ 245.628346][ T7136] kobject_init_and_add+0x12b/0x1a0
[ 245.628375][ T7136] ? __pfx_kobject_init_and_add+0x10/0x10
[ 245.628400][ T7136] ? __raw_spin_lock_init+0x45/0x100
[ 245.628422][ T7136] ? __init_swait_queue_head+0xa9/0x150
[ 245.628445][ T7136] gfs2_sys_fs_add+0x257/0x480
[ 245.628469][ T7136] ? is_dynamic_key+0x1ac/0x1c0
[ 245.628491][ T7136] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 245.628523][ T7136] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 245.628554][ T7136] gfs2_fill_super+0x13a7/0x21d0
[ 245.628588][ T7136] ? __pfx_gfs2_fill_super+0x10/0x10
[ 245.628614][ T7136] ? sb_set_blocksize+0x155/0x240
[ 245.628637][ T7136] ? setup_bdev_super+0x4c1/0x5b0
[ 245.628659][ T7136] get_tree_bdev_flags+0x431/0x4f0
[ 245.628679][ T7136] ? __pfx_gfs2_fill_super+0x10/0x10
[ 245.628699][ T7136] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 245.628716][ T7136] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 245.628744][ T7136] gfs2_get_tree+0x51/0x1e0
[ 245.628768][ T7136] vfs_get_tree+0x92/0x2a0
[ 245.628790][ T7136] do_new_mount+0x341/0xd30
[ 245.628810][ T7136] ? apparmor_capable+0x126/0x170
[ 245.628836][ T7136] ? __pfx_do_new_mount+0x10/0x10
[ 245.628859][ T7136] ? ns_capable+0x89/0xe0
[ 245.628893][ T7136] ? user_path_at+0xd4/0x160
[ 245.628914][ T7136] __se_sys_mount+0x31d/0x420
[ 245.628943][ T7136] ? __pfx___se_sys_mount+0x10/0x10
[ 245.628971][ T7136] ? __x64_sys_mount+0x20/0xc0
[ 245.628997][ T7136] do_syscall_64+0x14d/0xf80
[ 245.629029][ T7136] ? trace_irq_disable+0x3b/0x150
[ 245.629045][ T7136] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 245.629063][ T7136] ? clear_bhb_loop+0x40/0x90
[ 245.629084][ T7136] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 245.629101][ T7136] RIP: 0033:0x7f8600f9b60a
[ 245.629119][ T7136] 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
[ 245.629133][ T7136] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 245.629154][ T7136] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 245.629167][ T7136] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 245.629179][ T7136] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 245.629191][ T7136] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 245.629202][ T7136] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 245.629230][ T7136]
[ 245.629281][ T7136] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 245.932443][ T7136] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.233274][ T7140] loop1: detected capacity change from 0 to 32768
[ 246.245640][ T7140] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.255951][ T7140] CPU: 1 UID: 0 PID: 7140 Comm: syz.1.181 Not tainted syzkaller #0 PREEMPT(full)
[ 246.255975][ T7140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 246.255986][ T7140] Call Trace:
[ 246.255994][ T7140]
[ 246.256001][ T7140] dump_stack_lvl+0xe8/0x150
[ 246.256032][ T7140] sysfs_create_dir_ns+0x271/0x2a0
[ 246.256050][ T7140] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 246.256066][ T7140] ? do_raw_spin_unlock+0xf5/0x210
[ 246.256080][ T7140] kobject_add_internal+0x62b/0xd00
[ 246.256101][ T7140] kobject_init_and_add+0x12b/0x1a0
[ 246.256119][ T7140] ? __pfx_kobject_init_and_add+0x10/0x10
[ 246.256136][ T7140] ? __raw_spin_lock_init+0x45/0x100
[ 246.256148][ T7140] ? __init_swait_queue_head+0xa9/0x150
[ 246.256161][ T7140] gfs2_sys_fs_add+0x257/0x480
[ 246.256178][ T7140] ? is_dynamic_key+0x1ac/0x1c0
[ 246.256192][ T7140] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 246.256212][ T7140] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 246.256231][ T7140] gfs2_fill_super+0x13a7/0x21d0
[ 246.256252][ T7140] ? __pfx_gfs2_fill_super+0x10/0x10
[ 246.256267][ T7140] ? sb_set_blocksize+0x155/0x240
[ 246.256282][ T7140] ? setup_bdev_super+0x4c1/0x5b0
[ 246.256296][ T7140] get_tree_bdev_flags+0x431/0x4f0
[ 246.256308][ T7140] ? __pfx_gfs2_fill_super+0x10/0x10
[ 246.256321][ T7140] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 246.256331][ T7140] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 246.256347][ T7140] gfs2_get_tree+0x51/0x1e0
[ 246.256361][ T7140] vfs_get_tree+0x92/0x2a0
[ 246.256374][ T7140] do_new_mount+0x341/0xd30
[ 246.256389][ T7140] ? apparmor_capable+0x126/0x170
[ 246.256404][ T7140] ? __pfx_do_new_mount+0x10/0x10
[ 246.256418][ T7140] ? ns_capable+0x89/0xe0
[ 246.256438][ T7140] ? user_path_at+0xd4/0x160
[ 246.256450][ T7140] __se_sys_mount+0x31d/0x420
[ 246.256468][ T7140] ? __pfx___se_sys_mount+0x10/0x10
[ 246.256486][ T7140] ? __x64_sys_mount+0x20/0xc0
[ 246.256502][ T7140] do_syscall_64+0x14d/0xf80
[ 246.256516][ T7140] ? trace_irq_disable+0x3b/0x150
[ 246.256525][ T7140] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 246.256536][ T7140] ? clear_bhb_loop+0x40/0x90
[ 246.256549][ T7140] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 246.256560][ T7140] RIP: 0033:0x7f8600f9b60a
[ 246.256577][ T7140] 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
[ 246.256585][ T7140] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.256597][ T7140] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 246.256605][ T7140] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 246.256612][ T7140] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 246.256619][ T7140] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 246.256626][ T7140] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 246.256641][ T7140]
[ 246.257220][ T7140] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 246.559280][ T7140] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 246.863783][ T7144] loop1: detected capacity change from 0 to 32768
[ 246.876708][ T7144] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 246.884240][ T7144] CPU: 0 UID: 0 PID: 7144 Comm: syz.1.182 Not tainted syzkaller #0 PREEMPT(full)
[ 246.884263][ T7144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 246.884274][ T7144] Call Trace:
[ 246.884282][ T7144]
[ 246.884290][ T7144] dump_stack_lvl+0xe8/0x150
[ 246.884320][ T7144] sysfs_create_dir_ns+0x271/0x2a0
[ 246.884348][ T7144] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 246.884375][ T7144] ? do_raw_spin_unlock+0xf5/0x210
[ 246.884400][ T7144] kobject_add_internal+0x62b/0xd00
[ 246.884434][ T7144] kobject_init_and_add+0x12b/0x1a0
[ 246.884464][ T7144] ? __pfx_kobject_init_and_add+0x10/0x10
[ 246.884491][ T7144] ? __raw_spin_lock_init+0x45/0x100
[ 246.884513][ T7144] ? __init_swait_queue_head+0xa9/0x150
[ 246.884536][ T7144] gfs2_sys_fs_add+0x257/0x480
[ 246.884561][ T7144] ? is_dynamic_key+0x1ac/0x1c0
[ 246.884584][ T7144] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 246.884617][ T7144] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 246.884650][ T7144] gfs2_fill_super+0x13a7/0x21d0
[ 246.884688][ T7144] ? __pfx_gfs2_fill_super+0x10/0x10
[ 246.884714][ T7144] ? sb_set_blocksize+0x155/0x240
[ 246.884739][ T7144] ? setup_bdev_super+0x4c1/0x5b0
[ 246.884762][ T7144] get_tree_bdev_flags+0x431/0x4f0
[ 246.884782][ T7144] ? __pfx_gfs2_fill_super+0x10/0x10
[ 246.884803][ T7144] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 246.884821][ T7144] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 246.884847][ T7144] gfs2_get_tree+0x51/0x1e0
[ 246.884871][ T7144] vfs_get_tree+0x92/0x2a0
[ 246.884894][ T7144] do_new_mount+0x341/0xd30
[ 246.884915][ T7144] ? apparmor_capable+0x126/0x170
[ 246.884947][ T7144] ? __pfx_do_new_mount+0x10/0x10
[ 246.884969][ T7144] ? ns_capable+0x89/0xe0
[ 246.884999][ T7144] ? user_path_at+0xd4/0x160
[ 246.885018][ T7144] __se_sys_mount+0x31d/0x420
[ 246.885045][ T7144] ? __pfx___se_sys_mount+0x10/0x10
[ 246.885072][ T7144] ? __x64_sys_mount+0x20/0xc0
[ 246.885093][ T7144] do_syscall_64+0x14d/0xf80
[ 246.885115][ T7144] ? trace_irq_disable+0x3b/0x150
[ 246.885129][ T7144] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 246.885146][ T7144] ? clear_bhb_loop+0x40/0x90
[ 246.885165][ T7144] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 246.885182][ T7144] RIP: 0033:0x7f8600f9b60a
[ 246.885199][ T7144] 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
[ 246.885213][ T7144] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 246.885233][ T7144] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 246.885245][ T7144] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 246.885257][ T7144] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 246.885269][ T7144] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 246.885279][ T7144] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 246.885306][ T7144]
[ 246.885331][ T7144] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.188131][ T7144] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 247.494039][ T5150] Bluetooth: hci0: command 0x0406 tx timeout
[ 247.513829][ T7148] loop1: detected capacity change from 0 to 32768
[ 247.536437][ T7148] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 247.544339][ T7148] CPU: 0 UID: 0 PID: 7148 Comm: syz.1.183 Not tainted syzkaller #0 PREEMPT(full)
[ 247.544364][ T7148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 247.544376][ T7148] Call Trace:
[ 247.544384][ T7148]
[ 247.544392][ T7148] dump_stack_lvl+0xe8/0x150
[ 247.544423][ T7148] sysfs_create_dir_ns+0x271/0x2a0
[ 247.544450][ T7148] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 247.544476][ T7148] ? do_raw_spin_unlock+0xf5/0x210
[ 247.544500][ T7148] kobject_add_internal+0x62b/0xd00
[ 247.544535][ T7148] kobject_init_and_add+0x12b/0x1a0
[ 247.544566][ T7148] ? __pfx_kobject_init_and_add+0x10/0x10
[ 247.544592][ T7148] ? __raw_spin_lock_init+0x45/0x100
[ 247.544612][ T7148] ? __init_swait_queue_head+0xa9/0x150
[ 247.544634][ T7148] gfs2_sys_fs_add+0x257/0x480
[ 247.544659][ T7148] ? is_dynamic_key+0x1ac/0x1c0
[ 247.544682][ T7148] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 247.544717][ T7148] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 247.544749][ T7148] gfs2_fill_super+0x13a7/0x21d0
[ 247.544785][ T7148] ? __pfx_gfs2_fill_super+0x10/0x10
[ 247.544811][ T7148] ? sb_set_blocksize+0x155/0x240
[ 247.544844][ T7148] ? setup_bdev_super+0x4c1/0x5b0
[ 247.544867][ T7148] get_tree_bdev_flags+0x431/0x4f0
[ 247.544887][ T7148] ? __pfx_gfs2_fill_super+0x10/0x10
[ 247.544908][ T7148] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 247.544925][ T7148] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 247.544954][ T7148] gfs2_get_tree+0x51/0x1e0
[ 247.544977][ T7148] vfs_get_tree+0x92/0x2a0
[ 247.544999][ T7148] do_new_mount+0x341/0xd30
[ 247.545020][ T7148] ? apparmor_capable+0x126/0x170
[ 247.545045][ T7148] ? __pfx_do_new_mount+0x10/0x10
[ 247.545067][ T7148] ? ns_capable+0x89/0xe0
[ 247.545099][ T7148] ? user_path_at+0xd4/0x160
[ 247.545118][ T7148] __se_sys_mount+0x31d/0x420
[ 247.545146][ T7148] ? __pfx___se_sys_mount+0x10/0x10
[ 247.545176][ T7148] ? __x64_sys_mount+0x20/0xc0
[ 247.545200][ T7148] do_syscall_64+0x14d/0xf80
[ 247.545221][ T7148] ? trace_irq_disable+0x3b/0x150
[ 247.545236][ T7148] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 247.545255][ T7148] ? clear_bhb_loop+0x40/0x90
[ 247.545275][ T7148] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 247.545293][ T7148] RIP: 0033:0x7f8600f9b60a
[ 247.545311][ T7148] 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
[ 247.545325][ T7148] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 247.545345][ T7148] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 247.545359][ T7148] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 247.545369][ T7148] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 247.545381][ T7148] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 247.545392][ T7148] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 247.545420][ T7148]
[ 247.545448][ T7148] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 247.847662][ T7148] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.157447][ T7152] loop1: detected capacity change from 0 to 32768
[ 248.175509][ T7152] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.183448][ T7152] CPU: 1 UID: 0 PID: 7152 Comm: syz.1.184 Not tainted syzkaller #0 PREEMPT(full)
[ 248.183472][ T7152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 248.183484][ T7152] Call Trace:
[ 248.183492][ T7152]
[ 248.183499][ T7152] dump_stack_lvl+0xe8/0x150
[ 248.183530][ T7152] sysfs_create_dir_ns+0x271/0x2a0
[ 248.183558][ T7152] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 248.183583][ T7152] ? do_raw_spin_unlock+0xf5/0x210
[ 248.183608][ T7152] kobject_add_internal+0x62b/0xd00
[ 248.183640][ T7152] kobject_init_and_add+0x12b/0x1a0
[ 248.183669][ T7152] ? __pfx_kobject_init_and_add+0x10/0x10
[ 248.183696][ T7152] ? __raw_spin_lock_init+0x45/0x100
[ 248.183717][ T7152] ? __init_swait_queue_head+0xa9/0x150
[ 248.183741][ T7152] gfs2_sys_fs_add+0x257/0x480
[ 248.183788][ T7152] ? is_dynamic_key+0x1ac/0x1c0
[ 248.183818][ T7152] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 248.183851][ T7152] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 248.183881][ T7152] gfs2_fill_super+0x13a7/0x21d0
[ 248.183916][ T7152] ? __pfx_gfs2_fill_super+0x10/0x10
[ 248.183940][ T7152] ? sb_set_blocksize+0x155/0x240
[ 248.183964][ T7152] ? setup_bdev_super+0x4c1/0x5b0
[ 248.183987][ T7152] get_tree_bdev_flags+0x431/0x4f0
[ 248.184008][ T7152] ? __pfx_gfs2_fill_super+0x10/0x10
[ 248.184028][ T7152] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 248.184045][ T7152] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 248.184072][ T7152] gfs2_get_tree+0x51/0x1e0
[ 248.184095][ T7152] vfs_get_tree+0x92/0x2a0
[ 248.184118][ T7152] do_new_mount+0x341/0xd30
[ 248.184139][ T7152] ? apparmor_capable+0x126/0x170
[ 248.184166][ T7152] ? __pfx_do_new_mount+0x10/0x10
[ 248.184187][ T7152] ? ns_capable+0x89/0xe0
[ 248.184220][ T7152] ? user_path_at+0xd4/0x160
[ 248.184241][ T7152] __se_sys_mount+0x31d/0x420
[ 248.184272][ T7152] ? __pfx___se_sys_mount+0x10/0x10
[ 248.184302][ T7152] ? __x64_sys_mount+0x20/0xc0
[ 248.184328][ T7152] do_syscall_64+0x14d/0xf80
[ 248.184349][ T7152] ? trace_irq_disable+0x3b/0x150
[ 248.184365][ T7152] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 248.184383][ T7152] ? clear_bhb_loop+0x40/0x90
[ 248.184405][ T7152] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 248.184422][ T7152] RIP: 0033:0x7f8600f9b60a
[ 248.184440][ T7152] 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
[ 248.184455][ T7152] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.184474][ T7152] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 248.184488][ T7152] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 248.184501][ T7152] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 248.184512][ T7152] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 248.184524][ T7152] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 248.184553][ T7152]
[ 248.184580][ T7152] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 248.487095][ T7152] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 248.784835][ T7156] loop1: detected capacity change from 0 to 32768
[ 248.797700][ T7156] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 248.805943][ T7156] CPU: 1 UID: 0 PID: 7156 Comm: syz.1.185 Not tainted syzkaller #0 PREEMPT(full)
[ 248.805968][ T7156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 248.805979][ T7156] Call Trace:
[ 248.805987][ T7156]
[ 248.805996][ T7156] dump_stack_lvl+0xe8/0x150
[ 248.806027][ T7156] sysfs_create_dir_ns+0x271/0x2a0
[ 248.806054][ T7156] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 248.806079][ T7156] ? do_raw_spin_unlock+0xf5/0x210
[ 248.806110][ T7156] kobject_add_internal+0x62b/0xd00
[ 248.806144][ T7156] kobject_init_and_add+0x12b/0x1a0
[ 248.806174][ T7156] ? __pfx_kobject_init_and_add+0x10/0x10
[ 248.806201][ T7156] ? __raw_spin_lock_init+0x45/0x100
[ 248.806222][ T7156] ? __init_swait_queue_head+0xa9/0x150
[ 248.806245][ T7156] gfs2_sys_fs_add+0x257/0x480
[ 248.806269][ T7156] ? is_dynamic_key+0x1ac/0x1c0
[ 248.806293][ T7156] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 248.806326][ T7156] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 248.806358][ T7156] gfs2_fill_super+0x13a7/0x21d0
[ 248.806393][ T7156] ? __pfx_gfs2_fill_super+0x10/0x10
[ 248.806419][ T7156] ? sb_set_blocksize+0x155/0x240
[ 248.806443][ T7156] ? setup_bdev_super+0x4c1/0x5b0
[ 248.806467][ T7156] get_tree_bdev_flags+0x431/0x4f0
[ 248.806488][ T7156] ? __pfx_gfs2_fill_super+0x10/0x10
[ 248.806509][ T7156] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 248.806526][ T7156] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 248.806554][ T7156] gfs2_get_tree+0x51/0x1e0
[ 248.806577][ T7156] vfs_get_tree+0x92/0x2a0
[ 248.806599][ T7156] do_new_mount+0x341/0xd30
[ 248.806619][ T7156] ? apparmor_capable+0x126/0x170
[ 248.806644][ T7156] ? __pfx_do_new_mount+0x10/0x10
[ 248.806668][ T7156] ? ns_capable+0x89/0xe0
[ 248.806698][ T7156] ? user_path_at+0xd4/0x160
[ 248.806718][ T7156] __se_sys_mount+0x31d/0x420
[ 248.806749][ T7156] ? __pfx___se_sys_mount+0x10/0x10
[ 248.806779][ T7156] ? __x64_sys_mount+0x20/0xc0
[ 248.806804][ T7156] do_syscall_64+0x14d/0xf80
[ 248.806832][ T7156] ? trace_irq_disable+0x3b/0x150
[ 248.806847][ T7156] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 248.806866][ T7156] ? clear_bhb_loop+0x40/0x90
[ 248.806889][ T7156] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 248.806907][ T7156] RIP: 0033:0x7f8600f9b60a
[ 248.806924][ T7156] 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
[ 248.806937][ T7156] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 248.806956][ T7156] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 248.806969][ T7156] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 248.806980][ T7156] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 248.806991][ T7156] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 248.807001][ T7156] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 248.807031][ T7156]
[ 248.807055][ T7156] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.107881][ T7156] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:43:47 executed programs: 171
[ 249.416051][ T7160] loop1: detected capacity change from 0 to 32768
[ 249.437750][ T7160] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 249.445607][ T7160] CPU: 1 UID: 0 PID: 7160 Comm: syz.1.186 Not tainted syzkaller #0 PREEMPT(full)
[ 249.445632][ T7160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 249.445642][ T7160] Call Trace:
[ 249.445649][ T7160]
[ 249.445656][ T7160] dump_stack_lvl+0xe8/0x150
[ 249.445693][ T7160] sysfs_create_dir_ns+0x271/0x2a0
[ 249.445720][ T7160] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 249.445745][ T7160] ? do_raw_spin_unlock+0xf5/0x210
[ 249.445768][ T7160] kobject_add_internal+0x62b/0xd00
[ 249.445797][ T7160] kobject_init_and_add+0x12b/0x1a0
[ 249.445827][ T7160] ? __pfx_kobject_init_and_add+0x10/0x10
[ 249.445853][ T7160] ? __raw_spin_lock_init+0x45/0x100
[ 249.445875][ T7160] ? __init_swait_queue_head+0xa9/0x150
[ 249.445898][ T7160] gfs2_sys_fs_add+0x257/0x480
[ 249.445921][ T7160] ? is_dynamic_key+0x1ac/0x1c0
[ 249.445943][ T7160] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 249.445974][ T7160] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 249.446004][ T7160] gfs2_fill_super+0x13a7/0x21d0
[ 249.446037][ T7160] ? __pfx_gfs2_fill_super+0x10/0x10
[ 249.446059][ T7160] ? sb_set_blocksize+0x155/0x240
[ 249.446080][ T7160] ? setup_bdev_super+0x4c1/0x5b0
[ 249.446102][ T7160] get_tree_bdev_flags+0x431/0x4f0
[ 249.446121][ T7160] ? __pfx_gfs2_fill_super+0x10/0x10
[ 249.446140][ T7160] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 249.446155][ T7160] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 249.446171][ T7160] gfs2_get_tree+0x51/0x1e0
[ 249.446185][ T7160] vfs_get_tree+0x92/0x2a0
[ 249.446198][ T7160] do_new_mount+0x341/0xd30
[ 249.446212][ T7160] ? apparmor_capable+0x126/0x170
[ 249.446228][ T7160] ? __pfx_do_new_mount+0x10/0x10
[ 249.446243][ T7160] ? ns_capable+0x89/0xe0
[ 249.446262][ T7160] ? user_path_at+0xd4/0x160
[ 249.446274][ T7160] __se_sys_mount+0x31d/0x420
[ 249.446292][ T7160] ? __pfx___se_sys_mount+0x10/0x10
[ 249.446310][ T7160] ? __x64_sys_mount+0x20/0xc0
[ 249.446326][ T7160] do_syscall_64+0x14d/0xf80
[ 249.446340][ T7160] ? trace_irq_disable+0x3b/0x150
[ 249.446349][ T7160] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 249.446360][ T7160] ? clear_bhb_loop+0x40/0x90
[ 249.446373][ T7160] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 249.446384][ T7160] RIP: 0033:0x7f8600f9b60a
[ 249.446396][ T7160] 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
[ 249.446404][ T7160] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 249.446416][ T7160] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 249.446424][ T7160] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 249.446431][ T7160] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 249.446438][ T7160] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 249.446445][ T7160] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 249.446460][ T7160]
[ 249.446590][ T7160] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 249.747585][ T7160] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.054826][ T7164] loop1: detected capacity change from 0 to 32768
[ 250.070831][ T7164] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.078578][ T7164] CPU: 0 UID: 0 PID: 7164 Comm: syz.1.187 Not tainted syzkaller #0 PREEMPT(full)
[ 250.078601][ T7164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 250.078620][ T7164] Call Trace:
[ 250.078627][ T7164]
[ 250.078635][ T7164] dump_stack_lvl+0xe8/0x150
[ 250.078672][ T7164] sysfs_create_dir_ns+0x271/0x2a0
[ 250.078699][ T7164] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 250.078723][ T7164] ? do_raw_spin_unlock+0xf5/0x210
[ 250.078746][ T7164] kobject_add_internal+0x62b/0xd00
[ 250.078769][ T7164] kobject_init_and_add+0x12b/0x1a0
[ 250.078787][ T7164] ? __pfx_kobject_init_and_add+0x10/0x10
[ 250.078803][ T7164] ? __raw_spin_lock_init+0x45/0x100
[ 250.078816][ T7164] ? __init_swait_queue_head+0xa9/0x150
[ 250.078829][ T7164] gfs2_sys_fs_add+0x257/0x480
[ 250.078846][ T7164] ? is_dynamic_key+0x1ac/0x1c0
[ 250.078860][ T7164] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 250.078880][ T7164] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 250.078898][ T7164] gfs2_fill_super+0x13a7/0x21d0
[ 250.078924][ T7164] ? __pfx_gfs2_fill_super+0x10/0x10
[ 250.078940][ T7164] ? sb_set_blocksize+0x155/0x240
[ 250.078955][ T7164] ? setup_bdev_super+0x4c1/0x5b0
[ 250.078968][ T7164] get_tree_bdev_flags+0x431/0x4f0
[ 250.078980][ T7164] ? __pfx_gfs2_fill_super+0x10/0x10
[ 250.078993][ T7164] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 250.079003][ T7164] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 250.079019][ T7164] gfs2_get_tree+0x51/0x1e0
[ 250.079033][ T7164] vfs_get_tree+0x92/0x2a0
[ 250.079046][ T7164] do_new_mount+0x341/0xd30
[ 250.079060][ T7164] ? apparmor_capable+0x126/0x170
[ 250.079076][ T7164] ? __pfx_do_new_mount+0x10/0x10
[ 250.079090][ T7164] ? ns_capable+0x89/0xe0
[ 250.079110][ T7164] ? user_path_at+0xd4/0x160
[ 250.079122][ T7164] __se_sys_mount+0x31d/0x420
[ 250.079140][ T7164] ? __pfx___se_sys_mount+0x10/0x10
[ 250.079158][ T7164] ? __x64_sys_mount+0x20/0xc0
[ 250.079174][ T7164] do_syscall_64+0x14d/0xf80
[ 250.079188][ T7164] ? trace_irq_disable+0x3b/0x150
[ 250.079197][ T7164] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.079208][ T7164] ? clear_bhb_loop+0x40/0x90
[ 250.079221][ T7164] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.079232][ T7164] RIP: 0033:0x7f8600f9b60a
[ 250.079244][ T7164] 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
[ 250.079252][ T7164] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.079265][ T7164] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 250.079272][ T7164] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 250.079279][ T7164] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 250.079286][ T7164] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 250.079293][ T7164] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 250.079308][ T7164]
[ 250.079501][ T7164] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 250.380511][ T7164] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 250.698864][ T7168] loop1: detected capacity change from 0 to 32768
[ 250.720958][ T7168] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 250.728348][ T7168] CPU: 1 UID: 0 PID: 7168 Comm: syz.1.188 Not tainted syzkaller #0 PREEMPT(full)
[ 250.728364][ T7168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 250.728372][ T7168] Call Trace:
[ 250.728377][ T7168]
[ 250.728383][ T7168] dump_stack_lvl+0xe8/0x150
[ 250.728404][ T7168] sysfs_create_dir_ns+0x271/0x2a0
[ 250.728423][ T7168] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 250.728438][ T7168] ? do_raw_spin_unlock+0xf5/0x210
[ 250.728453][ T7168] kobject_add_internal+0x62b/0xd00
[ 250.728474][ T7168] kobject_init_and_add+0x12b/0x1a0
[ 250.728492][ T7168] ? __pfx_kobject_init_and_add+0x10/0x10
[ 250.728509][ T7168] ? __raw_spin_lock_init+0x45/0x100
[ 250.728521][ T7168] ? __init_swait_queue_head+0xa9/0x150
[ 250.728535][ T7168] gfs2_sys_fs_add+0x257/0x480
[ 250.728551][ T7168] ? is_dynamic_key+0x1ac/0x1c0
[ 250.728565][ T7168] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 250.728585][ T7168] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 250.728605][ T7168] gfs2_fill_super+0x13a7/0x21d0
[ 250.728627][ T7168] ? __pfx_gfs2_fill_super+0x10/0x10
[ 250.728642][ T7168] ? sb_set_blocksize+0x155/0x240
[ 250.728657][ T7168] ? setup_bdev_super+0x4c1/0x5b0
[ 250.728670][ T7168] get_tree_bdev_flags+0x431/0x4f0
[ 250.728682][ T7168] ? __pfx_gfs2_fill_super+0x10/0x10
[ 250.728695][ T7168] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 250.728705][ T7168] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 250.728721][ T7168] gfs2_get_tree+0x51/0x1e0
[ 250.728735][ T7168] vfs_get_tree+0x92/0x2a0
[ 250.728748][ T7168] do_new_mount+0x341/0xd30
[ 250.728762][ T7168] ? apparmor_capable+0x126/0x170
[ 250.728778][ T7168] ? __pfx_do_new_mount+0x10/0x10
[ 250.728792][ T7168] ? ns_capable+0x89/0xe0
[ 250.728813][ T7168] ? user_path_at+0xd4/0x160
[ 250.728824][ T7168] __se_sys_mount+0x31d/0x420
[ 250.728842][ T7168] ? __pfx___se_sys_mount+0x10/0x10
[ 250.728865][ T7168] ? __x64_sys_mount+0x20/0xc0
[ 250.728881][ T7168] do_syscall_64+0x14d/0xf80
[ 250.728895][ T7168] ? trace_irq_disable+0x3b/0x150
[ 250.728904][ T7168] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.728915][ T7168] ? clear_bhb_loop+0x40/0x90
[ 250.728928][ T7168] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 250.728940][ T7168] RIP: 0033:0x7f8600f9b60a
[ 250.728952][ T7168] 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
[ 250.728961][ T7168] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 250.728974][ T7168] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 250.728982][ T7168] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 250.728989][ T7168] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 250.728996][ T7168] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 250.729002][ T7168] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 250.729018][ T7168]
[ 250.729035][ T7168] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.030985][ T7168] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.329993][ T7172] loop1: detected capacity change from 0 to 32768
[ 251.344160][ T7172] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.351668][ T7172] CPU: 0 UID: 0 PID: 7172 Comm: syz.1.189 Not tainted syzkaller #0 PREEMPT(full)
[ 251.351692][ T7172] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 251.351702][ T7172] Call Trace:
[ 251.351709][ T7172]
[ 251.351717][ T7172] dump_stack_lvl+0xe8/0x150
[ 251.351748][ T7172] sysfs_create_dir_ns+0x271/0x2a0
[ 251.351776][ T7172] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 251.351801][ T7172] ? do_raw_spin_unlock+0xf5/0x210
[ 251.351826][ T7172] kobject_add_internal+0x62b/0xd00
[ 251.351861][ T7172] kobject_init_and_add+0x12b/0x1a0
[ 251.351891][ T7172] ? __pfx_kobject_init_and_add+0x10/0x10
[ 251.351916][ T7172] ? __raw_spin_lock_init+0x45/0x100
[ 251.351937][ T7172] ? __init_swait_queue_head+0xa9/0x150
[ 251.351959][ T7172] gfs2_sys_fs_add+0x257/0x480
[ 251.351984][ T7172] ? is_dynamic_key+0x1ac/0x1c0
[ 251.352008][ T7172] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 251.352042][ T7172] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 251.352072][ T7172] gfs2_fill_super+0x13a7/0x21d0
[ 251.352108][ T7172] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.352135][ T7172] ? sb_set_blocksize+0x155/0x240
[ 251.352160][ T7172] ? setup_bdev_super+0x4c1/0x5b0
[ 251.352183][ T7172] get_tree_bdev_flags+0x431/0x4f0
[ 251.352203][ T7172] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.352223][ T7172] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 251.352241][ T7172] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 251.352268][ T7172] gfs2_get_tree+0x51/0x1e0
[ 251.352291][ T7172] vfs_get_tree+0x92/0x2a0
[ 251.352313][ T7172] do_new_mount+0x341/0xd30
[ 251.352334][ T7172] ? apparmor_capable+0x126/0x170
[ 251.352358][ T7172] ? __pfx_do_new_mount+0x10/0x10
[ 251.352381][ T7172] ? ns_capable+0x89/0xe0
[ 251.352414][ T7172] ? user_path_at+0xd4/0x160
[ 251.352433][ T7172] __se_sys_mount+0x31d/0x420
[ 251.352462][ T7172] ? __pfx___se_sys_mount+0x10/0x10
[ 251.352492][ T7172] ? __x64_sys_mount+0x20/0xc0
[ 251.352518][ T7172] do_syscall_64+0x14d/0xf80
[ 251.352551][ T7172] ? trace_irq_disable+0x3b/0x150
[ 251.352568][ T7172] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.352585][ T7172] ? clear_bhb_loop+0x40/0x90
[ 251.352606][ T7172] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.352625][ T7172] RIP: 0033:0x7f8600f9b60a
[ 251.352643][ T7172] 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
[ 251.352658][ T7172] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.352678][ T7172] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 251.352692][ T7172] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 251.352705][ T7172] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 251.352718][ T7172] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 251.352730][ T7172] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 251.352759][ T7172]
[ 251.352865][ T7172] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 251.653710][ T7172] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 251.960158][ T7176] loop1: detected capacity change from 0 to 32768
[ 251.971681][ T7176] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 251.979128][ T7176] CPU: 0 UID: 0 PID: 7176 Comm: syz.1.190 Not tainted syzkaller #0 PREEMPT(full)
[ 251.979149][ T7176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 251.979158][ T7176] Call Trace:
[ 251.979167][ T7176]
[ 251.979174][ T7176] dump_stack_lvl+0xe8/0x150
[ 251.979202][ T7176] sysfs_create_dir_ns+0x271/0x2a0
[ 251.979227][ T7176] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 251.979248][ T7176] ? do_raw_spin_unlock+0xf5/0x210
[ 251.979263][ T7176] kobject_add_internal+0x62b/0xd00
[ 251.979284][ T7176] kobject_init_and_add+0x12b/0x1a0
[ 251.979303][ T7176] ? __pfx_kobject_init_and_add+0x10/0x10
[ 251.979319][ T7176] ? __raw_spin_lock_init+0x45/0x100
[ 251.979331][ T7176] ? __init_swait_queue_head+0xa9/0x150
[ 251.979345][ T7176] gfs2_sys_fs_add+0x257/0x480
[ 251.979361][ T7176] ? is_dynamic_key+0x1ac/0x1c0
[ 251.979376][ T7176] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 251.979407][ T7176] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 251.979435][ T7176] gfs2_fill_super+0x13a7/0x21d0
[ 251.979467][ T7176] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.979492][ T7176] ? sb_set_blocksize+0x155/0x240
[ 251.979515][ T7176] ? setup_bdev_super+0x4c1/0x5b0
[ 251.979542][ T7176] get_tree_bdev_flags+0x431/0x4f0
[ 251.979560][ T7176] ? __pfx_gfs2_fill_super+0x10/0x10
[ 251.979578][ T7176] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 251.979594][ T7176] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 251.979621][ T7176] gfs2_get_tree+0x51/0x1e0
[ 251.979643][ T7176] vfs_get_tree+0x92/0x2a0
[ 251.979663][ T7176] do_new_mount+0x341/0xd30
[ 251.979683][ T7176] ? apparmor_capable+0x126/0x170
[ 251.979705][ T7176] ? __pfx_do_new_mount+0x10/0x10
[ 251.979727][ T7176] ? ns_capable+0x89/0xe0
[ 251.979755][ T7176] ? user_path_at+0xd4/0x160
[ 251.979772][ T7176] __se_sys_mount+0x31d/0x420
[ 251.979800][ T7176] ? __pfx___se_sys_mount+0x10/0x10
[ 251.979827][ T7176] ? __x64_sys_mount+0x20/0xc0
[ 251.979854][ T7176] do_syscall_64+0x14d/0xf80
[ 251.979874][ T7176] ? trace_irq_disable+0x3b/0x150
[ 251.979887][ T7176] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.979904][ T7176] ? clear_bhb_loop+0x40/0x90
[ 251.979924][ T7176] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 251.979942][ T7176] RIP: 0033:0x7f8600f9b60a
[ 251.979961][ T7176] 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
[ 251.979975][ T7176] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 251.979995][ T7176] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 251.980008][ T7176] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 251.980020][ T7176] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 251.980031][ T7176] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 251.980042][ T7176] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 251.980068][ T7176]
[ 252.266908][ T7176] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.281329][ T7176] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 252.582672][ T7180] loop1: detected capacity change from 0 to 32768
[ 252.602941][ T7180] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 252.610944][ T7180] CPU: 1 UID: 0 PID: 7180 Comm: syz.1.191 Not tainted syzkaller #0 PREEMPT(full)
[ 252.610969][ T7180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 252.610980][ T7180] Call Trace:
[ 252.610987][ T7180]
[ 252.610994][ T7180] dump_stack_lvl+0xe8/0x150
[ 252.611025][ T7180] sysfs_create_dir_ns+0x271/0x2a0
[ 252.611053][ T7180] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 252.611079][ T7180] ? do_raw_spin_unlock+0xf5/0x210
[ 252.611104][ T7180] kobject_add_internal+0x62b/0xd00
[ 252.611135][ T7180] kobject_init_and_add+0x12b/0x1a0
[ 252.611166][ T7180] ? __pfx_kobject_init_and_add+0x10/0x10
[ 252.611193][ T7180] ? __raw_spin_lock_init+0x45/0x100
[ 252.611214][ T7180] ? __init_swait_queue_head+0xa9/0x150
[ 252.611238][ T7180] gfs2_sys_fs_add+0x257/0x480
[ 252.611264][ T7180] ? is_dynamic_key+0x1ac/0x1c0
[ 252.611287][ T7180] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 252.611318][ T7180] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 252.611349][ T7180] gfs2_fill_super+0x13a7/0x21d0
[ 252.611382][ T7180] ? __pfx_gfs2_fill_super+0x10/0x10
[ 252.611406][ T7180] ? sb_set_blocksize+0x155/0x240
[ 252.611430][ T7180] ? setup_bdev_super+0x4c1/0x5b0
[ 252.611452][ T7180] get_tree_bdev_flags+0x431/0x4f0
[ 252.611471][ T7180] ? __pfx_gfs2_fill_super+0x10/0x10
[ 252.611491][ T7180] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 252.611509][ T7180] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 252.611537][ T7180] gfs2_get_tree+0x51/0x1e0
[ 252.611561][ T7180] vfs_get_tree+0x92/0x2a0
[ 252.611582][ T7180] do_new_mount+0x341/0xd30
[ 252.611604][ T7180] ? apparmor_capable+0x126/0x170
[ 252.611631][ T7180] ? __pfx_do_new_mount+0x10/0x10
[ 252.611654][ T7180] ? ns_capable+0x89/0xe0
[ 252.611687][ T7180] ? user_path_at+0xd4/0x160
[ 252.611715][ T7180] __se_sys_mount+0x31d/0x420
[ 252.611746][ T7180] ? __pfx___se_sys_mount+0x10/0x10
[ 252.611777][ T7180] ? __x64_sys_mount+0x20/0xc0
[ 252.611802][ T7180] do_syscall_64+0x14d/0xf80
[ 252.611825][ T7180] ? trace_irq_disable+0x3b/0x150
[ 252.611839][ T7180] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 252.611857][ T7180] ? clear_bhb_loop+0x40/0x90
[ 252.611879][ T7180] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 252.611896][ T7180] RIP: 0033:0x7f8600f9b60a
[ 252.611914][ T7180] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 252.611928][ T7180] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 252.611948][ T7180] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 252.611961][ T7180] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 252.611973][ T7180] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 252.611985][ T7180] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 252.611997][ T7180] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 252.612024][ T7180]
[ 252.612096][ T7180] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 252.916101][ T7180] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.253906][ T7184] loop1: detected capacity change from 0 to 32768
[ 253.272730][ T7184] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.281474][ T7184] CPU: 1 UID: 0 PID: 7184 Comm: syz.1.192 Not tainted syzkaller #0 PREEMPT(full)
[ 253.281499][ T7184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 253.281511][ T7184] Call Trace:
[ 253.281519][ T7184]
[ 253.281534][ T7184] dump_stack_lvl+0xe8/0x150
[ 253.281566][ T7184] sysfs_create_dir_ns+0x271/0x2a0
[ 253.281594][ T7184] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 253.281619][ T7184] ? do_raw_spin_unlock+0xf5/0x210
[ 253.281642][ T7184] kobject_add_internal+0x62b/0xd00
[ 253.281674][ T7184] kobject_init_and_add+0x12b/0x1a0
[ 253.281704][ T7184] ? __pfx_kobject_init_and_add+0x10/0x10
[ 253.281729][ T7184] ? __raw_spin_lock_init+0x45/0x100
[ 253.281750][ T7184] ? __init_swait_queue_head+0xa9/0x150
[ 253.281773][ T7184] gfs2_sys_fs_add+0x257/0x480
[ 253.281798][ T7184] ? is_dynamic_key+0x1ac/0x1c0
[ 253.281821][ T7184] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 253.281854][ T7184] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 253.281886][ T7184] gfs2_fill_super+0x13a7/0x21d0
[ 253.281922][ T7184] ? __pfx_gfs2_fill_super+0x10/0x10
[ 253.281947][ T7184] ? sb_set_blocksize+0x155/0x240
[ 253.281969][ T7184] ? setup_bdev_super+0x4c1/0x5b0
[ 253.281992][ T7184] get_tree_bdev_flags+0x431/0x4f0
[ 253.282013][ T7184] ? __pfx_gfs2_fill_super+0x10/0x10
[ 253.282034][ T7184] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 253.282052][ T7184] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 253.282082][ T7184] gfs2_get_tree+0x51/0x1e0
[ 253.282105][ T7184] vfs_get_tree+0x92/0x2a0
[ 253.282127][ T7184] do_new_mount+0x341/0xd30
[ 253.282149][ T7184] ? apparmor_capable+0x126/0x170
[ 253.282175][ T7184] ? __pfx_do_new_mount+0x10/0x10
[ 253.282198][ T7184] ? ns_capable+0x89/0xe0
[ 253.282231][ T7184] ? user_path_at+0xd4/0x160
[ 253.282251][ T7184] __se_sys_mount+0x31d/0x420
[ 253.282280][ T7184] ? __pfx___se_sys_mount+0x10/0x10
[ 253.282310][ T7184] ? __x64_sys_mount+0x20/0xc0
[ 253.282337][ T7184] do_syscall_64+0x14d/0xf80
[ 253.282359][ T7184] ? trace_irq_disable+0x3b/0x150
[ 253.282375][ T7184] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.282402][ T7184] ? clear_bhb_loop+0x40/0x90
[ 253.282423][ T7184] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.282441][ T7184] RIP: 0033:0x7f8600f9b60a
[ 253.282459][ T7184] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 253.282474][ T7184] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.282493][ T7184] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 253.282507][ T7184] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 253.282520][ T7184] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 253.282532][ T7184] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 253.282544][ T7184] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 253.282571][ T7184]
[ 253.282595][ T7184] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 253.587016][ T7184] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 253.902891][ T7188] loop1: detected capacity change from 0 to 32768
[ 253.920055][ T7188] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 253.927469][ T7188] CPU: 1 UID: 0 PID: 7188 Comm: syz.1.193 Not tainted syzkaller #0 PREEMPT(full)
[ 253.927494][ T7188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 253.927505][ T7188] Call Trace:
[ 253.927513][ T7188]
[ 253.927521][ T7188] dump_stack_lvl+0xe8/0x150
[ 253.927552][ T7188] sysfs_create_dir_ns+0x271/0x2a0
[ 253.927580][ T7188] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 253.927605][ T7188] ? do_raw_spin_unlock+0xf5/0x210
[ 253.927630][ T7188] kobject_add_internal+0x62b/0xd00
[ 253.927664][ T7188] kobject_init_and_add+0x12b/0x1a0
[ 253.927695][ T7188] ? __pfx_kobject_init_and_add+0x10/0x10
[ 253.927721][ T7188] ? __raw_spin_lock_init+0x45/0x100
[ 253.927742][ T7188] ? __init_swait_queue_head+0xa9/0x150
[ 253.927764][ T7188] gfs2_sys_fs_add+0x257/0x480
[ 253.927789][ T7188] ? is_dynamic_key+0x1ac/0x1c0
[ 253.927811][ T7188] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 253.927843][ T7188] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 253.927876][ T7188] gfs2_fill_super+0x13a7/0x21d0
[ 253.927911][ T7188] ? __pfx_gfs2_fill_super+0x10/0x10
[ 253.927937][ T7188] ? sb_set_blocksize+0x155/0x240
[ 253.927961][ T7188] ? setup_bdev_super+0x4c1/0x5b0
[ 253.927983][ T7188] get_tree_bdev_flags+0x431/0x4f0
[ 253.928003][ T7188] ? __pfx_gfs2_fill_super+0x10/0x10
[ 253.928023][ T7188] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 253.928041][ T7188] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 253.928068][ T7188] gfs2_get_tree+0x51/0x1e0
[ 253.928091][ T7188] vfs_get_tree+0x92/0x2a0
[ 253.928113][ T7188] do_new_mount+0x341/0xd30
[ 253.928136][ T7188] ? apparmor_capable+0x126/0x170
[ 253.928163][ T7188] ? __pfx_do_new_mount+0x10/0x10
[ 253.928186][ T7188] ? ns_capable+0x89/0xe0
[ 253.928220][ T7188] ? user_path_at+0xd4/0x160
[ 253.928239][ T7188] __se_sys_mount+0x31d/0x420
[ 253.928269][ T7188] ? __pfx___se_sys_mount+0x10/0x10
[ 253.928298][ T7188] ? __x64_sys_mount+0x20/0xc0
[ 253.928324][ T7188] do_syscall_64+0x14d/0xf80
[ 253.928347][ T7188] ? trace_irq_disable+0x3b/0x150
[ 253.928372][ T7188] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.928390][ T7188] ? clear_bhb_loop+0x40/0x90
[ 253.928412][ T7188] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 253.928430][ T7188] RIP: 0033:0x7f8600f9b60a
[ 253.928449][ T7188] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 253.928464][ T7188] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 253.928485][ T7188] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 253.928499][ T7188] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 253.928512][ T7188] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 253.928524][ T7188] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 253.928535][ T7188] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 253.928563][ T7188]
[ 253.928587][ T7188] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.229271][ T7188] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:43:52 executed programs: 179
[ 254.522756][ T7192] loop1: detected capacity change from 0 to 32768
[ 254.556562][ T7192] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 254.564460][ T7192] CPU: 1 UID: 0 PID: 7192 Comm: syz.1.194 Not tainted syzkaller #0 PREEMPT(full)
[ 254.564488][ T7192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 254.564499][ T7192] Call Trace:
[ 254.564507][ T7192]
[ 254.564515][ T7192] dump_stack_lvl+0xe8/0x150
[ 254.564547][ T7192] sysfs_create_dir_ns+0x271/0x2a0
[ 254.564584][ T7192] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 254.564610][ T7192] ? do_raw_spin_unlock+0xf5/0x210
[ 254.564634][ T7192] kobject_add_internal+0x62b/0xd00
[ 254.564666][ T7192] kobject_init_and_add+0x12b/0x1a0
[ 254.564695][ T7192] ? __pfx_kobject_init_and_add+0x10/0x10
[ 254.564721][ T7192] ? __raw_spin_lock_init+0x45/0x100
[ 254.564742][ T7192] ? __init_swait_queue_head+0xa9/0x150
[ 254.564767][ T7192] gfs2_sys_fs_add+0x257/0x480
[ 254.564792][ T7192] ? is_dynamic_key+0x1ac/0x1c0
[ 254.564817][ T7192] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 254.564849][ T7192] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 254.564881][ T7192] gfs2_fill_super+0x13a7/0x21d0
[ 254.564918][ T7192] ? __pfx_gfs2_fill_super+0x10/0x10
[ 254.564945][ T7192] ? sb_set_blocksize+0x155/0x240
[ 254.564971][ T7192] ? setup_bdev_super+0x4c1/0x5b0
[ 254.564994][ T7192] get_tree_bdev_flags+0x431/0x4f0
[ 254.565015][ T7192] ? __pfx_gfs2_fill_super+0x10/0x10
[ 254.565035][ T7192] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 254.565052][ T7192] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 254.565080][ T7192] gfs2_get_tree+0x51/0x1e0
[ 254.565104][ T7192] vfs_get_tree+0x92/0x2a0
[ 254.565127][ T7192] do_new_mount+0x341/0xd30
[ 254.565149][ T7192] ? apparmor_capable+0x126/0x170
[ 254.565176][ T7192] ? __pfx_do_new_mount+0x10/0x10
[ 254.565200][ T7192] ? ns_capable+0x89/0xe0
[ 254.565233][ T7192] ? user_path_at+0xd4/0x160
[ 254.565253][ T7192] __se_sys_mount+0x31d/0x420
[ 254.565283][ T7192] ? __pfx___se_sys_mount+0x10/0x10
[ 254.565312][ T7192] ? __x64_sys_mount+0x20/0xc0
[ 254.565339][ T7192] do_syscall_64+0x14d/0xf80
[ 254.565361][ T7192] ? trace_irq_disable+0x3b/0x150
[ 254.565377][ T7192] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.565396][ T7192] ? clear_bhb_loop+0x40/0x90
[ 254.565418][ T7192] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 254.565435][ T7192] RIP: 0033:0x7f8600f9b60a
[ 254.565453][ T7192] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 254.565468][ T7192] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 254.565488][ T7192] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 254.565502][ T7192] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 254.565515][ T7192] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 254.565527][ T7192] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 254.565539][ T7192] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 254.565576][ T7192]
[ 254.565628][ T7192] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 254.866036][ T7192] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.165094][ T7196] loop1: detected capacity change from 0 to 32768
[ 255.182975][ T7196] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.190881][ T7196] CPU: 1 UID: 0 PID: 7196 Comm: syz.1.195 Not tainted syzkaller #0 PREEMPT(full)
[ 255.190906][ T7196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 255.190918][ T7196] Call Trace:
[ 255.190926][ T7196]
[ 255.190934][ T7196] dump_stack_lvl+0xe8/0x150
[ 255.190966][ T7196] sysfs_create_dir_ns+0x271/0x2a0
[ 255.190995][ T7196] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 255.191020][ T7196] ? do_raw_spin_unlock+0xf5/0x210
[ 255.191044][ T7196] kobject_add_internal+0x62b/0xd00
[ 255.191076][ T7196] kobject_init_and_add+0x12b/0x1a0
[ 255.191107][ T7196] ? __pfx_kobject_init_and_add+0x10/0x10
[ 255.191133][ T7196] ? __raw_spin_lock_init+0x45/0x100
[ 255.191154][ T7196] ? __init_swait_queue_head+0xa9/0x150
[ 255.191176][ T7196] gfs2_sys_fs_add+0x257/0x480
[ 255.191202][ T7196] ? is_dynamic_key+0x1ac/0x1c0
[ 255.191226][ T7196] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 255.191257][ T7196] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 255.191283][ T7196] gfs2_fill_super+0x13a7/0x21d0
[ 255.191315][ T7196] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.191341][ T7196] ? sb_set_blocksize+0x155/0x240
[ 255.191366][ T7196] ? setup_bdev_super+0x4c1/0x5b0
[ 255.191388][ T7196] get_tree_bdev_flags+0x431/0x4f0
[ 255.191407][ T7196] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.191427][ T7196] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 255.191445][ T7196] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 255.191473][ T7196] gfs2_get_tree+0x51/0x1e0
[ 255.191495][ T7196] vfs_get_tree+0x92/0x2a0
[ 255.191524][ T7196] do_new_mount+0x341/0xd30
[ 255.191546][ T7196] ? apparmor_capable+0x126/0x170
[ 255.191572][ T7196] ? __pfx_do_new_mount+0x10/0x10
[ 255.191595][ T7196] ? ns_capable+0x89/0xe0
[ 255.191628][ T7196] ? user_path_at+0xd4/0x160
[ 255.191648][ T7196] __se_sys_mount+0x31d/0x420
[ 255.191677][ T7196] ? __pfx___se_sys_mount+0x10/0x10
[ 255.191706][ T7196] ? __x64_sys_mount+0x20/0xc0
[ 255.191733][ T7196] do_syscall_64+0x14d/0xf80
[ 255.191755][ T7196] ? trace_irq_disable+0x3b/0x150
[ 255.191769][ T7196] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.191787][ T7196] ? clear_bhb_loop+0x40/0x90
[ 255.191809][ T7196] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.191828][ T7196] RIP: 0033:0x7f8600f9b60a
[ 255.191847][ T7196] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 255.191862][ T7196] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.191883][ T7196] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 255.191897][ T7196] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 255.191910][ T7196] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 255.191921][ T7196] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 255.191933][ T7196] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 255.191961][ T7196]
[ 255.191986][ T7196] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 255.493322][ T7196] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 255.655470][ T1308] ieee802154 phy0 wpan0: encryption failed: -22
[ 255.662149][ T1308] ieee802154 phy1 wpan1: encryption failed: -22
[ 255.808193][ T7200] loop1: detected capacity change from 0 to 32768
[ 255.819735][ T7200] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 255.828062][ T7200] CPU: 1 UID: 0 PID: 7200 Comm: syz.1.196 Not tainted syzkaller #0 PREEMPT(full)
[ 255.828087][ T7200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 255.828099][ T7200] Call Trace:
[ 255.828106][ T7200]
[ 255.828115][ T7200] dump_stack_lvl+0xe8/0x150
[ 255.828145][ T7200] sysfs_create_dir_ns+0x271/0x2a0
[ 255.828173][ T7200] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 255.828210][ T7200] ? do_raw_spin_unlock+0xf5/0x210
[ 255.828235][ T7200] kobject_add_internal+0x62b/0xd00
[ 255.828266][ T7200] kobject_init_and_add+0x12b/0x1a0
[ 255.828296][ T7200] ? __pfx_kobject_init_and_add+0x10/0x10
[ 255.828322][ T7200] ? __raw_spin_lock_init+0x45/0x100
[ 255.828342][ T7200] ? __init_swait_queue_head+0xa9/0x150
[ 255.828364][ T7200] gfs2_sys_fs_add+0x257/0x480
[ 255.828387][ T7200] ? is_dynamic_key+0x1ac/0x1c0
[ 255.828405][ T7200] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 255.828424][ T7200] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 255.828443][ T7200] gfs2_fill_super+0x13a7/0x21d0
[ 255.828465][ T7200] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.828480][ T7200] ? sb_set_blocksize+0x155/0x240
[ 255.828495][ T7200] ? setup_bdev_super+0x4c1/0x5b0
[ 255.828508][ T7200] get_tree_bdev_flags+0x431/0x4f0
[ 255.828520][ T7200] ? __pfx_gfs2_fill_super+0x10/0x10
[ 255.828533][ T7200] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 255.828543][ T7200] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 255.828560][ T7200] gfs2_get_tree+0x51/0x1e0
[ 255.828574][ T7200] vfs_get_tree+0x92/0x2a0
[ 255.828587][ T7200] do_new_mount+0x341/0xd30
[ 255.828601][ T7200] ? apparmor_capable+0x126/0x170
[ 255.828617][ T7200] ? __pfx_do_new_mount+0x10/0x10
[ 255.828631][ T7200] ? ns_capable+0x89/0xe0
[ 255.828651][ T7200] ? user_path_at+0xd4/0x160
[ 255.828663][ T7200] __se_sys_mount+0x31d/0x420
[ 255.828681][ T7200] ? __pfx___se_sys_mount+0x10/0x10
[ 255.828699][ T7200] ? __x64_sys_mount+0x20/0xc0
[ 255.828715][ T7200] do_syscall_64+0x14d/0xf80
[ 255.828729][ T7200] ? trace_irq_disable+0x3b/0x150
[ 255.828738][ T7200] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.828749][ T7200] ? clear_bhb_loop+0x40/0x90
[ 255.828762][ T7200] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 255.828773][ T7200] RIP: 0033:0x7f8600f9b60a
[ 255.828784][ T7200] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 255.828793][ T7200] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 255.828804][ T7200] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 255.828812][ T7200] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 255.828819][ T7200] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 255.828826][ T7200] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 255.828832][ T7200] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 255.828848][ T7200]
[ 255.828864][ T7200] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.130711][ T7200] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 256.435971][ T7204] loop1: detected capacity change from 0 to 32768
[ 256.454117][ T7204] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 256.463808][ T7204] CPU: 1 UID: 0 PID: 7204 Comm: syz.1.197 Not tainted syzkaller #0 PREEMPT(full)
[ 256.463832][ T7204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 256.463842][ T7204] Call Trace:
[ 256.463848][ T7204]
[ 256.463855][ T7204] dump_stack_lvl+0xe8/0x150
[ 256.463880][ T7204] sysfs_create_dir_ns+0x271/0x2a0
[ 256.463902][ T7204] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 256.463923][ T7204] ? do_raw_spin_unlock+0xf5/0x210
[ 256.463943][ T7204] kobject_add_internal+0x62b/0xd00
[ 256.463969][ T7204] kobject_init_and_add+0x12b/0x1a0
[ 256.463993][ T7204] ? __pfx_kobject_init_and_add+0x10/0x10
[ 256.464014][ T7204] ? __raw_spin_lock_init+0x45/0x100
[ 256.464031][ T7204] ? __init_swait_queue_head+0xa9/0x150
[ 256.464049][ T7204] gfs2_sys_fs_add+0x257/0x480
[ 256.464069][ T7204] ? is_dynamic_key+0x1ac/0x1c0
[ 256.464088][ T7204] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 256.464114][ T7204] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 256.464139][ T7204] gfs2_fill_super+0x13a7/0x21d0
[ 256.464167][ T7204] ? __pfx_gfs2_fill_super+0x10/0x10
[ 256.464187][ T7204] ? sb_set_blocksize+0x155/0x240
[ 256.464206][ T7204] ? setup_bdev_super+0x4c1/0x5b0
[ 256.464224][ T7204] get_tree_bdev_flags+0x431/0x4f0
[ 256.464240][ T7204] ? __pfx_gfs2_fill_super+0x10/0x10
[ 256.464257][ T7204] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 256.464270][ T7204] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 256.464293][ T7204] gfs2_get_tree+0x51/0x1e0
[ 256.464312][ T7204] vfs_get_tree+0x92/0x2a0
[ 256.464330][ T7204] do_new_mount+0x341/0xd30
[ 256.464348][ T7204] ? apparmor_capable+0x126/0x170
[ 256.464369][ T7204] ? __pfx_do_new_mount+0x10/0x10
[ 256.464388][ T7204] ? ns_capable+0x89/0xe0
[ 256.464427][ T7204] ? user_path_at+0xd4/0x160
[ 256.464443][ T7204] __se_sys_mount+0x31d/0x420
[ 256.464466][ T7204] ? __pfx___se_sys_mount+0x10/0x10
[ 256.464489][ T7204] ? __x64_sys_mount+0x20/0xc0
[ 256.464509][ T7204] do_syscall_64+0x14d/0xf80
[ 256.464527][ T7204] ? trace_irq_disable+0x3b/0x150
[ 256.464539][ T7204] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 256.464554][ T7204] ? clear_bhb_loop+0x40/0x90
[ 256.464571][ T7204] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 256.464586][ T7204] RIP: 0033:0x7f8600f9b60a
[ 256.464600][ T7204] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 256.464612][ T7204] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 256.464629][ T7204] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 256.464639][ T7204] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 256.464649][ T7204] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 256.464658][ T7204] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 256.464667][ T7204] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 256.464690][ T7204]
[ 256.464718][ T7204] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 256.766809][ T7204] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.081698][ T7208] loop1: detected capacity change from 0 to 32768
[ 257.093682][ T7208] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.101583][ T7208] CPU: 1 UID: 0 PID: 7208 Comm: syz.1.198 Not tainted syzkaller #0 PREEMPT(full)
[ 257.101609][ T7208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 257.101621][ T7208] Call Trace:
[ 257.101629][ T7208]
[ 257.101637][ T7208] dump_stack_lvl+0xe8/0x150
[ 257.101669][ T7208] sysfs_create_dir_ns+0x271/0x2a0
[ 257.101697][ T7208] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 257.101723][ T7208] ? do_raw_spin_unlock+0xf5/0x210
[ 257.101748][ T7208] kobject_add_internal+0x62b/0xd00
[ 257.101782][ T7208] kobject_init_and_add+0x12b/0x1a0
[ 257.101812][ T7208] ? __pfx_kobject_init_and_add+0x10/0x10
[ 257.101839][ T7208] ? __raw_spin_lock_init+0x45/0x100
[ 257.101860][ T7208] ? __init_swait_queue_head+0xa9/0x150
[ 257.101883][ T7208] gfs2_sys_fs_add+0x257/0x480
[ 257.101915][ T7208] ? is_dynamic_key+0x1ac/0x1c0
[ 257.101938][ T7208] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 257.101972][ T7208] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 257.102003][ T7208] gfs2_fill_super+0x13a7/0x21d0
[ 257.102038][ T7208] ? __pfx_gfs2_fill_super+0x10/0x10
[ 257.102064][ T7208] ? sb_set_blocksize+0x155/0x240
[ 257.102095][ T7208] ? setup_bdev_super+0x4c1/0x5b0
[ 257.102119][ T7208] get_tree_bdev_flags+0x431/0x4f0
[ 257.102139][ T7208] ? __pfx_gfs2_fill_super+0x10/0x10
[ 257.102160][ T7208] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 257.102178][ T7208] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 257.102207][ T7208] gfs2_get_tree+0x51/0x1e0
[ 257.102230][ T7208] vfs_get_tree+0x92/0x2a0
[ 257.102251][ T7208] do_new_mount+0x341/0xd30
[ 257.102272][ T7208] ? apparmor_capable+0x126/0x170
[ 257.102299][ T7208] ? __pfx_do_new_mount+0x10/0x10
[ 257.102323][ T7208] ? ns_capable+0x89/0xe0
[ 257.102356][ T7208] ? user_path_at+0xd4/0x160
[ 257.102377][ T7208] __se_sys_mount+0x31d/0x420
[ 257.102405][ T7208] ? __pfx___se_sys_mount+0x10/0x10
[ 257.102433][ T7208] ? __x64_sys_mount+0x20/0xc0
[ 257.102458][ T7208] do_syscall_64+0x14d/0xf80
[ 257.102479][ T7208] ? trace_irq_disable+0x3b/0x150
[ 257.102496][ T7208] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.102515][ T7208] ? clear_bhb_loop+0x40/0x90
[ 257.102535][ T7208] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.102552][ T7208] RIP: 0033:0x7f8600f9b60a
[ 257.102569][ T7208] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 257.102584][ T7208] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.102601][ T7208] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 257.102613][ T7208] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 257.102626][ T7208] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 257.102638][ T7208] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 257.102649][ T7208] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 257.102678][ T7208]
[ 257.102703][ T7208] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 257.402686][ T7208] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 257.711429][ T7212] loop1: detected capacity change from 0 to 32768
[ 257.734889][ T7212] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 257.744019][ T7212] CPU: 1 UID: 0 PID: 7212 Comm: syz.1.199 Not tainted syzkaller #0 PREEMPT(full)
[ 257.744045][ T7212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 257.744056][ T7212] Call Trace:
[ 257.744063][ T7212]
[ 257.744072][ T7212] dump_stack_lvl+0xe8/0x150
[ 257.744101][ T7212] sysfs_create_dir_ns+0x271/0x2a0
[ 257.744128][ T7212] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 257.744153][ T7212] ? do_raw_spin_unlock+0xf5/0x210
[ 257.744176][ T7212] kobject_add_internal+0x62b/0xd00
[ 257.744200][ T7212] kobject_init_and_add+0x12b/0x1a0
[ 257.744219][ T7212] ? __pfx_kobject_init_and_add+0x10/0x10
[ 257.744236][ T7212] ? __raw_spin_lock_init+0x45/0x100
[ 257.744248][ T7212] ? __init_swait_queue_head+0xa9/0x150
[ 257.744261][ T7212] gfs2_sys_fs_add+0x257/0x480
[ 257.744278][ T7212] ? is_dynamic_key+0x1ac/0x1c0
[ 257.744293][ T7212] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 257.744320][ T7212] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 257.744339][ T7212] gfs2_fill_super+0x13a7/0x21d0
[ 257.744359][ T7212] ? __pfx_gfs2_fill_super+0x10/0x10
[ 257.744374][ T7212] ? sb_set_blocksize+0x155/0x240
[ 257.744389][ T7212] ? setup_bdev_super+0x4c1/0x5b0
[ 257.744403][ T7212] get_tree_bdev_flags+0x431/0x4f0
[ 257.744415][ T7212] ? __pfx_gfs2_fill_super+0x10/0x10
[ 257.744427][ T7212] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 257.744438][ T7212] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 257.744454][ T7212] gfs2_get_tree+0x51/0x1e0
[ 257.744468][ T7212] vfs_get_tree+0x92/0x2a0
[ 257.744481][ T7212] do_new_mount+0x341/0xd30
[ 257.744496][ T7212] ? apparmor_capable+0x126/0x170
[ 257.744512][ T7212] ? __pfx_do_new_mount+0x10/0x10
[ 257.744526][ T7212] ? ns_capable+0x89/0xe0
[ 257.744546][ T7212] ? user_path_at+0xd4/0x160
[ 257.744558][ T7212] __se_sys_mount+0x31d/0x420
[ 257.744576][ T7212] ? __pfx___se_sys_mount+0x10/0x10
[ 257.744594][ T7212] ? __x64_sys_mount+0x20/0xc0
[ 257.744610][ T7212] do_syscall_64+0x14d/0xf80
[ 257.744624][ T7212] ? trace_irq_disable+0x3b/0x150
[ 257.744633][ T7212] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.744644][ T7212] ? clear_bhb_loop+0x40/0x90
[ 257.744657][ T7212] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 257.744668][ T7212] RIP: 0033:0x7f8600f9b60a
[ 257.744680][ T7212] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 257.744688][ T7212] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 257.744700][ T7212] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 257.744707][ T7212] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 257.744714][ T7212] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 257.744721][ T7212] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 257.744728][ T7212] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 257.744744][ T7212]
[ 257.745102][ T7212] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.048656][ T7212] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.354413][ T7216] loop1: detected capacity change from 0 to 32768
[ 258.370743][ T7216] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 258.378136][ T7216] CPU: 1 UID: 0 PID: 7216 Comm: syz.1.200 Not tainted syzkaller #0 PREEMPT(full)
[ 258.378153][ T7216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 258.378160][ T7216] Call Trace:
[ 258.378167][ T7216]
[ 258.378172][ T7216] dump_stack_lvl+0xe8/0x150
[ 258.378193][ T7216] sysfs_create_dir_ns+0x271/0x2a0
[ 258.378211][ T7216] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 258.378226][ T7216] ? do_raw_spin_unlock+0xf5/0x210
[ 258.378241][ T7216] kobject_add_internal+0x62b/0xd00
[ 258.378262][ T7216] kobject_init_and_add+0x12b/0x1a0
[ 258.378280][ T7216] ? __pfx_kobject_init_and_add+0x10/0x10
[ 258.378297][ T7216] ? __raw_spin_lock_init+0x45/0x100
[ 258.378309][ T7216] ? __init_swait_queue_head+0xa9/0x150
[ 258.378322][ T7216] gfs2_sys_fs_add+0x257/0x480
[ 258.378338][ T7216] ? is_dynamic_key+0x1ac/0x1c0
[ 258.378352][ T7216] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 258.378372][ T7216] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 258.378391][ T7216] gfs2_fill_super+0x13a7/0x21d0
[ 258.378412][ T7216] ? __pfx_gfs2_fill_super+0x10/0x10
[ 258.378427][ T7216] ? sb_set_blocksize+0x155/0x240
[ 258.378442][ T7216] ? setup_bdev_super+0x4c1/0x5b0
[ 258.378456][ T7216] get_tree_bdev_flags+0x431/0x4f0
[ 258.378468][ T7216] ? __pfx_gfs2_fill_super+0x10/0x10
[ 258.378480][ T7216] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 258.378491][ T7216] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 258.378507][ T7216] gfs2_get_tree+0x51/0x1e0
[ 258.378521][ T7216] vfs_get_tree+0x92/0x2a0
[ 258.378534][ T7216] do_new_mount+0x341/0xd30
[ 258.378549][ T7216] ? apparmor_capable+0x126/0x170
[ 258.378565][ T7216] ? __pfx_do_new_mount+0x10/0x10
[ 258.378579][ T7216] ? ns_capable+0x89/0xe0
[ 258.378599][ T7216] ? user_path_at+0xd4/0x160
[ 258.378610][ T7216] __se_sys_mount+0x31d/0x420
[ 258.378628][ T7216] ? __pfx___se_sys_mount+0x10/0x10
[ 258.378646][ T7216] ? __x64_sys_mount+0x20/0xc0
[ 258.378662][ T7216] do_syscall_64+0x14d/0xf80
[ 258.378677][ T7216] ? trace_irq_disable+0x3b/0x150
[ 258.378686][ T7216] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 258.378697][ T7216] ? clear_bhb_loop+0x40/0x90
[ 258.378710][ T7216] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 258.378721][ T7216] RIP: 0033:0x7f8600f9b60a
[ 258.378733][ T7216] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 258.378742][ T7216] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 258.378755][ T7216] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 258.378762][ T7216] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 258.378770][ T7216] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 258.378777][ T7216] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 258.378783][ T7216] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 258.378803][ T7216]
[ 258.378856][ T7216] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 258.680066][ T7216] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 258.996254][ T7220] loop1: detected capacity change from 0 to 32768
[ 259.011331][ T7220] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.018745][ T7220] CPU: 1 UID: 0 PID: 7220 Comm: syz.1.201 Not tainted syzkaller #0 PREEMPT(full)
[ 259.018769][ T7220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 259.018780][ T7220] Call Trace:
[ 259.018788][ T7220]
[ 259.018795][ T7220] dump_stack_lvl+0xe8/0x150
[ 259.018826][ T7220] sysfs_create_dir_ns+0x271/0x2a0
[ 259.018854][ T7220] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 259.018879][ T7220] ? do_raw_spin_unlock+0xf5/0x210
[ 259.018903][ T7220] kobject_add_internal+0x62b/0xd00
[ 259.018986][ T7220] kobject_init_and_add+0x12b/0x1a0
[ 259.019018][ T7220] ? __pfx_kobject_init_and_add+0x10/0x10
[ 259.019043][ T7220] ? __raw_spin_lock_init+0x45/0x100
[ 259.019064][ T7220] ? __init_swait_queue_head+0xa9/0x150
[ 259.019087][ T7220] gfs2_sys_fs_add+0x257/0x480
[ 259.019113][ T7220] ? is_dynamic_key+0x1ac/0x1c0
[ 259.019137][ T7220] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 259.019171][ T7220] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 259.019201][ T7220] gfs2_fill_super+0x13a7/0x21d0
[ 259.019236][ T7220] ? __pfx_gfs2_fill_super+0x10/0x10
[ 259.019261][ T7220] ? sb_set_blocksize+0x155/0x240
[ 259.019284][ T7220] ? setup_bdev_super+0x4c1/0x5b0
[ 259.019306][ T7220] get_tree_bdev_flags+0x431/0x4f0
[ 259.019325][ T7220] ? __pfx_gfs2_fill_super+0x10/0x10
[ 259.019345][ T7220] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 259.019363][ T7220] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 259.019394][ T7220] gfs2_get_tree+0x51/0x1e0
[ 259.019427][ T7220] vfs_get_tree+0x92/0x2a0
[ 259.019449][ T7220] do_new_mount+0x341/0xd30
[ 259.019471][ T7220] ? apparmor_capable+0x126/0x170
[ 259.019496][ T7220] ? __pfx_do_new_mount+0x10/0x10
[ 259.019520][ T7220] ? ns_capable+0x89/0xe0
[ 259.019552][ T7220] ? user_path_at+0xd4/0x160
[ 259.019573][ T7220] __se_sys_mount+0x31d/0x420
[ 259.019601][ T7220] ? __pfx___se_sys_mount+0x10/0x10
[ 259.019630][ T7220] ? __x64_sys_mount+0x20/0xc0
[ 259.019655][ T7220] do_syscall_64+0x14d/0xf80
[ 259.019678][ T7220] ? trace_irq_disable+0x3b/0x150
[ 259.019694][ T7220] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 259.019713][ T7220] ? clear_bhb_loop+0x40/0x90
[ 259.019736][ T7220] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 259.019754][ T7220] RIP: 0033:0x7f8600f9b60a
[ 259.019772][ T7220] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 259.019787][ T7220] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.019807][ T7220] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 259.019820][ T7220] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 259.019832][ T7220] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 259.019845][ T7220] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 259.019856][ T7220] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 259.019885][ T7220]
[ 259.311737][ T7220] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.326200][ T7220] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:43:57 executed programs: 187
[ 259.641799][ T7224] loop1: detected capacity change from 0 to 32768
[ 259.657039][ T7224] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 259.664625][ T7224] CPU: 0 UID: 0 PID: 7224 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full)
[ 259.664649][ T7224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 259.664660][ T7224] Call Trace:
[ 259.664667][ T7224]
[ 259.664674][ T7224] dump_stack_lvl+0xe8/0x150
[ 259.664702][ T7224] sysfs_create_dir_ns+0x271/0x2a0
[ 259.664730][ T7224] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 259.664752][ T7224] ? do_raw_spin_unlock+0xf5/0x210
[ 259.664774][ T7224] kobject_add_internal+0x62b/0xd00
[ 259.664808][ T7224] kobject_init_and_add+0x12b/0x1a0
[ 259.664838][ T7224] ? __pfx_kobject_init_and_add+0x10/0x10
[ 259.664865][ T7224] ? __raw_spin_lock_init+0x45/0x100
[ 259.664887][ T7224] ? __init_swait_queue_head+0xa9/0x150
[ 259.664910][ T7224] gfs2_sys_fs_add+0x257/0x480
[ 259.664934][ T7224] ? is_dynamic_key+0x1ac/0x1c0
[ 259.664967][ T7224] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 259.665001][ T7224] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 259.665032][ T7224] gfs2_fill_super+0x13a7/0x21d0
[ 259.665068][ T7224] ? __pfx_gfs2_fill_super+0x10/0x10
[ 259.665093][ T7224] ? sb_set_blocksize+0x155/0x240
[ 259.665118][ T7224] ? setup_bdev_super+0x4c1/0x5b0
[ 259.665141][ T7224] get_tree_bdev_flags+0x431/0x4f0
[ 259.665161][ T7224] ? __pfx_gfs2_fill_super+0x10/0x10
[ 259.665182][ T7224] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 259.665198][ T7224] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 259.665227][ T7224] gfs2_get_tree+0x51/0x1e0
[ 259.665251][ T7224] vfs_get_tree+0x92/0x2a0
[ 259.665273][ T7224] do_new_mount+0x341/0xd30
[ 259.665296][ T7224] ? apparmor_capable+0x126/0x170
[ 259.665324][ T7224] ? __pfx_do_new_mount+0x10/0x10
[ 259.665346][ T7224] ? ns_capable+0x89/0xe0
[ 259.665379][ T7224] ? user_path_at+0xd4/0x160
[ 259.665400][ T7224] __se_sys_mount+0x31d/0x420
[ 259.665431][ T7224] ? __pfx___se_sys_mount+0x10/0x10
[ 259.665462][ T7224] ? __x64_sys_mount+0x20/0xc0
[ 259.665488][ T7224] do_syscall_64+0x14d/0xf80
[ 259.665508][ T7224] ? trace_irq_disable+0x3b/0x150
[ 259.665524][ T7224] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 259.665543][ T7224] ? clear_bhb_loop+0x40/0x90
[ 259.665567][ T7224] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 259.665586][ T7224] RIP: 0033:0x7f8600f9b60a
[ 259.665604][ T7224] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 259.665619][ T7224] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 259.665641][ T7224] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 259.665655][ T7224] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 259.665668][ T7224] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 259.665681][ T7224] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 259.665694][ T7224] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 259.665724][ T7224]
[ 259.665748][ T7224] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 259.967955][ T7224] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 260.275134][ T7228] loop1: detected capacity change from 0 to 32768
[ 260.300823][ T7228] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 260.308251][ T7228] CPU: 0 UID: 0 PID: 7228 Comm: syz.1.203 Not tainted syzkaller #0 PREEMPT(full)
[ 260.308268][ T7228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 260.308275][ T7228] Call Trace:
[ 260.308280][ T7228]
[ 260.308286][ T7228] dump_stack_lvl+0xe8/0x150
[ 260.308307][ T7228] sysfs_create_dir_ns+0x271/0x2a0
[ 260.308324][ T7228] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 260.308340][ T7228] ? do_raw_spin_unlock+0xf5/0x210
[ 260.308354][ T7228] kobject_add_internal+0x62b/0xd00
[ 260.308375][ T7228] kobject_init_and_add+0x12b/0x1a0
[ 260.308393][ T7228] ? __pfx_kobject_init_and_add+0x10/0x10
[ 260.308410][ T7228] ? __raw_spin_lock_init+0x45/0x100
[ 260.308422][ T7228] ? __init_swait_queue_head+0xa9/0x150
[ 260.308435][ T7228] gfs2_sys_fs_add+0x257/0x480
[ 260.308451][ T7228] ? is_dynamic_key+0x1ac/0x1c0
[ 260.308466][ T7228] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 260.308486][ T7228] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 260.308504][ T7228] gfs2_fill_super+0x13a7/0x21d0
[ 260.308525][ T7228] ? __pfx_gfs2_fill_super+0x10/0x10
[ 260.308540][ T7228] ? sb_set_blocksize+0x155/0x240
[ 260.308555][ T7228] ? setup_bdev_super+0x4c1/0x5b0
[ 260.308569][ T7228] get_tree_bdev_flags+0x431/0x4f0
[ 260.308581][ T7228] ? __pfx_gfs2_fill_super+0x10/0x10
[ 260.308593][ T7228] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 260.308603][ T7228] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 260.308619][ T7228] gfs2_get_tree+0x51/0x1e0
[ 260.308633][ T7228] vfs_get_tree+0x92/0x2a0
[ 260.308646][ T7228] do_new_mount+0x341/0xd30
[ 260.308661][ T7228] ? apparmor_capable+0x126/0x170
[ 260.308676][ T7228] ? __pfx_do_new_mount+0x10/0x10
[ 260.308690][ T7228] ? ns_capable+0x89/0xe0
[ 260.308710][ T7228] ? user_path_at+0xd4/0x160
[ 260.308722][ T7228] __se_sys_mount+0x31d/0x420
[ 260.308740][ T7228] ? __pfx___se_sys_mount+0x10/0x10
[ 260.308758][ T7228] ? __x64_sys_mount+0x20/0xc0
[ 260.308773][ T7228] do_syscall_64+0x14d/0xf80
[ 260.308787][ T7228] ? trace_irq_disable+0x3b/0x150
[ 260.308797][ T7228] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.308808][ T7228] ? clear_bhb_loop+0x40/0x90
[ 260.308821][ T7228] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 260.308831][ T7228] RIP: 0033:0x7f8600f9b60a
[ 260.308843][ T7228] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 260.308852][ T7228] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 260.308864][ T7228] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 260.308872][ T7228] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 260.308879][ T7228] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 260.308886][ T7228] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 260.308893][ T7228] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 260.308908][ T7228]
[ 260.308924][ T7228] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 260.611993][ T7228] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 261.010078][ T7232] loop1: detected capacity change from 0 to 32768
[ 261.020984][ T7232] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.028388][ T7232] CPU: 1 UID: 0 PID: 7232 Comm: syz.1.204 Not tainted syzkaller #0 PREEMPT(full)
[ 261.028403][ T7232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 261.028410][ T7232] Call Trace:
[ 261.028416][ T7232]
[ 261.028421][ T7232] dump_stack_lvl+0xe8/0x150
[ 261.028441][ T7232] sysfs_create_dir_ns+0x271/0x2a0
[ 261.028459][ T7232] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 261.028474][ T7232] ? do_raw_spin_unlock+0xf5/0x210
[ 261.028489][ T7232] kobject_add_internal+0x62b/0xd00
[ 261.028511][ T7232] kobject_init_and_add+0x12b/0x1a0
[ 261.028530][ T7232] ? __pfx_kobject_init_and_add+0x10/0x10
[ 261.028546][ T7232] ? __raw_spin_lock_init+0x45/0x100
[ 261.028558][ T7232] ? __init_swait_queue_head+0xa9/0x150
[ 261.028571][ T7232] gfs2_sys_fs_add+0x257/0x480
[ 261.028587][ T7232] ? is_dynamic_key+0x1ac/0x1c0
[ 261.028601][ T7232] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 261.028621][ T7232] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 261.028640][ T7232] gfs2_fill_super+0x13a7/0x21d0
[ 261.028660][ T7232] ? __pfx_gfs2_fill_super+0x10/0x10
[ 261.028675][ T7232] ? sb_set_blocksize+0x155/0x240
[ 261.028690][ T7232] ? setup_bdev_super+0x4c1/0x5b0
[ 261.028703][ T7232] get_tree_bdev_flags+0x431/0x4f0
[ 261.028715][ T7232] ? __pfx_gfs2_fill_super+0x10/0x10
[ 261.028728][ T7232] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 261.028738][ T7232] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 261.028754][ T7232] gfs2_get_tree+0x51/0x1e0
[ 261.028769][ T7232] vfs_get_tree+0x92/0x2a0
[ 261.028782][ T7232] do_new_mount+0x341/0xd30
[ 261.028798][ T7232] ? apparmor_capable+0x126/0x170
[ 261.028814][ T7232] ? __pfx_do_new_mount+0x10/0x10
[ 261.028828][ T7232] ? ns_capable+0x89/0xe0
[ 261.028848][ T7232] ? user_path_at+0xd4/0x160
[ 261.028860][ T7232] __se_sys_mount+0x31d/0x420
[ 261.028878][ T7232] ? __pfx___se_sys_mount+0x10/0x10
[ 261.028895][ T7232] ? __x64_sys_mount+0x20/0xc0
[ 261.028911][ T7232] do_syscall_64+0x14d/0xf80
[ 261.028925][ T7232] ? trace_irq_disable+0x3b/0x150
[ 261.028934][ T7232] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 261.028945][ T7232] ? clear_bhb_loop+0x40/0x90
[ 261.028958][ T7232] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 261.028968][ T7232] RIP: 0033:0x7f8600f9b60a
[ 261.028980][ T7232] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 261.028988][ T7232] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.029001][ T7232] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 261.029008][ T7232] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 261.029015][ T7232] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 261.029022][ T7232] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 261.029029][ T7232] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 261.029057][ T7232]
[ 261.029074][ T7232] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.329288][ T7232] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 261.633439][ T7236] loop1: detected capacity change from 0 to 32768
[ 261.647749][ T7236] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 261.655985][ T7236] CPU: 0 UID: 0 PID: 7236 Comm: syz.1.205 Not tainted syzkaller #0 PREEMPT(full)
[ 261.656009][ T7236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 261.656020][ T7236] Call Trace:
[ 261.656028][ T7236]
[ 261.656036][ T7236] dump_stack_lvl+0xe8/0x150
[ 261.656065][ T7236] sysfs_create_dir_ns+0x271/0x2a0
[ 261.656097][ T7236] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 261.656122][ T7236] ? do_raw_spin_unlock+0xf5/0x210
[ 261.656146][ T7236] kobject_add_internal+0x62b/0xd00
[ 261.656179][ T7236] kobject_init_and_add+0x12b/0x1a0
[ 261.656207][ T7236] ? __pfx_kobject_init_and_add+0x10/0x10
[ 261.656233][ T7236] ? __raw_spin_lock_init+0x45/0x100
[ 261.656255][ T7236] ? __init_swait_queue_head+0xa9/0x150
[ 261.656278][ T7236] gfs2_sys_fs_add+0x257/0x480
[ 261.656303][ T7236] ? is_dynamic_key+0x1ac/0x1c0
[ 261.656325][ T7236] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 261.656356][ T7236] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 261.656387][ T7236] gfs2_fill_super+0x13a7/0x21d0
[ 261.656422][ T7236] ? __pfx_gfs2_fill_super+0x10/0x10
[ 261.656445][ T7236] ? sb_set_blocksize+0x155/0x240
[ 261.656468][ T7236] ? setup_bdev_super+0x4c1/0x5b0
[ 261.656490][ T7236] get_tree_bdev_flags+0x431/0x4f0
[ 261.656508][ T7236] ? __pfx_gfs2_fill_super+0x10/0x10
[ 261.656528][ T7236] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 261.656544][ T7236] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 261.656564][ T7236] gfs2_get_tree+0x51/0x1e0
[ 261.656578][ T7236] vfs_get_tree+0x92/0x2a0
[ 261.656592][ T7236] do_new_mount+0x341/0xd30
[ 261.656606][ T7236] ? apparmor_capable+0x126/0x170
[ 261.656622][ T7236] ? __pfx_do_new_mount+0x10/0x10
[ 261.656636][ T7236] ? ns_capable+0x89/0xe0
[ 261.656656][ T7236] ? user_path_at+0xd4/0x160
[ 261.656668][ T7236] __se_sys_mount+0x31d/0x420
[ 261.656686][ T7236] ? __pfx___se_sys_mount+0x10/0x10
[ 261.656704][ T7236] ? __x64_sys_mount+0x20/0xc0
[ 261.656720][ T7236] do_syscall_64+0x14d/0xf80
[ 261.656734][ T7236] ? trace_irq_disable+0x3b/0x150
[ 261.656744][ T7236] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 261.656755][ T7236] ? clear_bhb_loop+0x40/0x90
[ 261.656768][ T7236] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 261.656779][ T7236] RIP: 0033:0x7f8600f9b60a
[ 261.656791][ T7236] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 261.656799][ T7236] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 261.656818][ T7236] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 261.656826][ T7236] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 261.656833][ T7236] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 261.656839][ T7236] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 261.656846][ T7236] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 261.656862][ T7236]
[ 261.656877][ T7236] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 261.958410][ T7236] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.276481][ T7240] loop1: detected capacity change from 0 to 32768
[ 262.293423][ T7240] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.301333][ T7240] CPU: 1 UID: 0 PID: 7240 Comm: syz.1.206 Not tainted syzkaller #0 PREEMPT(full)
[ 262.301356][ T7240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 262.301368][ T7240] Call Trace:
[ 262.301375][ T7240]
[ 262.301383][ T7240] dump_stack_lvl+0xe8/0x150
[ 262.301413][ T7240] sysfs_create_dir_ns+0x271/0x2a0
[ 262.301440][ T7240] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 262.301466][ T7240] ? do_raw_spin_unlock+0xf5/0x210
[ 262.301489][ T7240] kobject_add_internal+0x62b/0xd00
[ 262.301522][ T7240] kobject_init_and_add+0x12b/0x1a0
[ 262.301552][ T7240] ? __pfx_kobject_init_and_add+0x10/0x10
[ 262.301578][ T7240] ? __raw_spin_lock_init+0x45/0x100
[ 262.301598][ T7240] ? __init_swait_queue_head+0xa9/0x150
[ 262.301621][ T7240] gfs2_sys_fs_add+0x257/0x480
[ 262.301645][ T7240] ? is_dynamic_key+0x1ac/0x1c0
[ 262.301668][ T7240] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 262.301710][ T7240] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 262.301742][ T7240] gfs2_fill_super+0x13a7/0x21d0
[ 262.301776][ T7240] ? __pfx_gfs2_fill_super+0x10/0x10
[ 262.301801][ T7240] ? sb_set_blocksize+0x155/0x240
[ 262.301825][ T7240] ? setup_bdev_super+0x4c1/0x5b0
[ 262.301848][ T7240] get_tree_bdev_flags+0x431/0x4f0
[ 262.301868][ T7240] ? __pfx_gfs2_fill_super+0x10/0x10
[ 262.301888][ T7240] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 262.301906][ T7240] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 262.301933][ T7240] gfs2_get_tree+0x51/0x1e0
[ 262.301957][ T7240] vfs_get_tree+0x92/0x2a0
[ 262.301978][ T7240] do_new_mount+0x341/0xd30
[ 262.301999][ T7240] ? apparmor_capable+0x126/0x170
[ 262.302025][ T7240] ? __pfx_do_new_mount+0x10/0x10
[ 262.302049][ T7240] ? ns_capable+0x89/0xe0
[ 262.302080][ T7240] ? user_path_at+0xd4/0x160
[ 262.302101][ T7240] __se_sys_mount+0x31d/0x420
[ 262.302130][ T7240] ? __pfx___se_sys_mount+0x10/0x10
[ 262.302159][ T7240] ? __x64_sys_mount+0x20/0xc0
[ 262.302184][ T7240] do_syscall_64+0x14d/0xf80
[ 262.302206][ T7240] ? trace_irq_disable+0x3b/0x150
[ 262.302221][ T7240] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.302239][ T7240] ? clear_bhb_loop+0x40/0x90
[ 262.302261][ T7240] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.302278][ T7240] RIP: 0033:0x7f8600f9b60a
[ 262.302295][ T7240] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 262.302311][ T7240] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.302330][ T7240] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 262.302344][ T7240] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 262.302356][ T7240] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 262.302368][ T7240] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 262.302379][ T7240] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 262.302407][ T7240]
[ 262.302431][ T7240] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 262.603089][ T7240] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 262.849547][ T5928] Bluetooth: hci1: command 0x0406 tx timeout
[ 262.918047][ T7244] loop1: detected capacity change from 0 to 32768
[ 262.936776][ T7244] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 262.944354][ T7244] CPU: 1 UID: 0 PID: 7244 Comm: syz.1.207 Not tainted syzkaller #0 PREEMPT(full)
[ 262.944381][ T7244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 262.944392][ T7244] Call Trace:
[ 262.944399][ T7244]
[ 262.944408][ T7244] dump_stack_lvl+0xe8/0x150
[ 262.944439][ T7244] sysfs_create_dir_ns+0x271/0x2a0
[ 262.944465][ T7244] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 262.944490][ T7244] ? do_raw_spin_unlock+0xf5/0x210
[ 262.944513][ T7244] kobject_add_internal+0x62b/0xd00
[ 262.944546][ T7244] kobject_init_and_add+0x12b/0x1a0
[ 262.944578][ T7244] ? __pfx_kobject_init_and_add+0x10/0x10
[ 262.944603][ T7244] ? __raw_spin_lock_init+0x45/0x100
[ 262.944624][ T7244] ? __init_swait_queue_head+0xa9/0x150
[ 262.944647][ T7244] gfs2_sys_fs_add+0x257/0x480
[ 262.944671][ T7244] ? is_dynamic_key+0x1ac/0x1c0
[ 262.944694][ T7244] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 262.944737][ T7244] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 262.944766][ T7244] gfs2_fill_super+0x13a7/0x21d0
[ 262.944802][ T7244] ? __pfx_gfs2_fill_super+0x10/0x10
[ 262.944828][ T7244] ? sb_set_blocksize+0x155/0x240
[ 262.944854][ T7244] ? setup_bdev_super+0x4c1/0x5b0
[ 262.944877][ T7244] get_tree_bdev_flags+0x431/0x4f0
[ 262.944898][ T7244] ? __pfx_gfs2_fill_super+0x10/0x10
[ 262.944919][ T7244] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 262.944936][ T7244] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 262.944963][ T7244] gfs2_get_tree+0x51/0x1e0
[ 262.944986][ T7244] vfs_get_tree+0x92/0x2a0
[ 262.945008][ T7244] do_new_mount+0x341/0xd30
[ 262.945030][ T7244] ? apparmor_capable+0x126/0x170
[ 262.945055][ T7244] ? __pfx_do_new_mount+0x10/0x10
[ 262.945079][ T7244] ? ns_capable+0x89/0xe0
[ 262.945111][ T7244] ? user_path_at+0xd4/0x160
[ 262.945131][ T7244] __se_sys_mount+0x31d/0x420
[ 262.945161][ T7244] ? __pfx___se_sys_mount+0x10/0x10
[ 262.945190][ T7244] ? __x64_sys_mount+0x20/0xc0
[ 262.945216][ T7244] do_syscall_64+0x14d/0xf80
[ 262.945238][ T7244] ? trace_irq_disable+0x3b/0x150
[ 262.945254][ T7244] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.945271][ T7244] ? clear_bhb_loop+0x40/0x90
[ 262.945293][ T7244] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 262.945312][ T7244] RIP: 0033:0x7f8600f9b60a
[ 262.945330][ T7244] Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 262.945346][ T7244] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 262.945367][ T7244] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 262.945380][ T7244] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 262.945393][ T7244] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 262.945405][ T7244] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 262.945418][ T7244] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 262.945444][ T7244]
[ 262.945470][ T7244] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.247537][ T7244] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 263.547881][ T7248] loop1: detected capacity change from 0 to 32768
[ 263.560217][ T7248] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 263.567636][ T7248] CPU: 1 UID: 0 PID: 7248 Comm: syz.1.208 Not tainted syzkaller #0 PREEMPT(full)
[ 263.567659][ T7248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 263.567671][ T7248] Call Trace:
[ 263.567678][ T7248]
[ 263.567686][ T7248] dump_stack_lvl+0xe8/0x150
[ 263.567717][ T7248] sysfs_create_dir_ns+0x271/0x2a0
[ 263.567744][ T7248] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 263.567769][ T7248] ? do_raw_spin_unlock+0xf5/0x210
[ 263.567793][ T7248] kobject_add_internal+0x62b/0xd00
[ 263.567826][ T7248] kobject_init_and_add+0x12b/0x1a0
[ 263.567856][ T7248] ? __pfx_kobject_init_and_add+0x10/0x10
[ 263.567882][ T7248] ? __raw_spin_lock_init+0x45/0x100
[ 263.567903][ T7248] ? __init_swait_queue_head+0xa9/0x150
[ 263.567926][ T7248] gfs2_sys_fs_add+0x257/0x480
[ 263.567950][ T7248] ? is_dynamic_key+0x1ac/0x1c0
[ 263.567973][ T7248] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 263.568006][ T7248] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 263.568039][ T7248] gfs2_fill_super+0x13a7/0x21d0
[ 263.568075][ T7248] ? __pfx_gfs2_fill_super+0x10/0x10
[ 263.568100][ T7248] ? sb_set_blocksize+0x155/0x240
[ 263.568123][ T7248] ? setup_bdev_super+0x4c1/0x5b0
[ 263.568145][ T7248] get_tree_bdev_flags+0x431/0x4f0
[ 263.568166][ T7248] ? __pfx_gfs2_fill_super+0x10/0x10
[ 263.568185][ T7248] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 263.568203][ T7248] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 263.568229][ T7248] gfs2_get_tree+0x51/0x1e0
[ 263.568253][ T7248] vfs_get_tree+0x92/0x2a0
[ 263.568275][ T7248] do_new_mount+0x341/0xd30
[ 263.568297][ T7248] ? apparmor_capable+0x126/0x170
[ 263.568323][ T7248] ? __pfx_do_new_mount+0x10/0x10
[ 263.568346][ T7248] ? ns_capable+0x89/0xe0
[ 263.568378][ T7248] ? user_path_at+0xd4/0x160
[ 263.568399][ T7248] __se_sys_mount+0x31d/0x420
[ 263.568428][ T7248] ? __pfx___se_sys_mount+0x10/0x10
[ 263.568457][ T7248] ? __x64_sys_mount+0x20/0xc0
[ 263.568480][ T7248] do_syscall_64+0x14d/0xf80
[ 263.568502][ T7248] ? trace_irq_disable+0x3b/0x150
[ 263.568518][ T7248] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 263.568536][ T7248] ? clear_bhb_loop+0x40/0x90
[ 263.568573][ T7248] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 263.568591][ T7248] RIP: 0033:0x7f8600f9b60a
[ 263.568610][ T7248] 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
[ 263.568625][ T7248] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 263.568645][ T7248] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 263.568662][ T7248] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 263.568675][ T7248] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 263.568688][ T7248] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 263.568699][ T7248] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 263.568727][ T7248]
[ 263.568752][ T7248] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 263.870922][ T7248] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 264.177524][ T7252] loop1: detected capacity change from 0 to 32768
[ 264.200453][ T7252] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.208162][ T7252] CPU: 0 UID: 0 PID: 7252 Comm: syz.1.209 Not tainted syzkaller #0 PREEMPT(full)
[ 264.208187][ T7252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 264.208197][ T7252] Call Trace:
[ 264.208204][ T7252]
[ 264.208212][ T7252] dump_stack_lvl+0xe8/0x150
[ 264.208243][ T7252] sysfs_create_dir_ns+0x271/0x2a0
[ 264.208269][ T7252] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 264.208295][ T7252] ? do_raw_spin_unlock+0xf5/0x210
[ 264.208319][ T7252] kobject_add_internal+0x62b/0xd00
[ 264.208353][ T7252] kobject_init_and_add+0x12b/0x1a0
[ 264.208381][ T7252] ? __pfx_kobject_init_and_add+0x10/0x10
[ 264.208405][ T7252] ? __raw_spin_lock_init+0x45/0x100
[ 264.208426][ T7252] ? __init_swait_queue_head+0xa9/0x150
[ 264.208450][ T7252] gfs2_sys_fs_add+0x257/0x480
[ 264.208476][ T7252] ? is_dynamic_key+0x1ac/0x1c0
[ 264.208500][ T7252] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 264.208533][ T7252] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 264.208564][ T7252] gfs2_fill_super+0x13a7/0x21d0
[ 264.208597][ T7252] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.208626][ T7252] ? sb_set_blocksize+0x155/0x240
[ 264.208649][ T7252] ? setup_bdev_super+0x4c1/0x5b0
[ 264.208670][ T7252] get_tree_bdev_flags+0x431/0x4f0
[ 264.208690][ T7252] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.208710][ T7252] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 264.208728][ T7252] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 264.208756][ T7252] gfs2_get_tree+0x51/0x1e0
[ 264.208784][ T7252] vfs_get_tree+0x92/0x2a0
[ 264.208805][ T7252] do_new_mount+0x341/0xd30
[ 264.208843][ T7252] ? apparmor_capable+0x126/0x170
[ 264.208870][ T7252] ? __pfx_do_new_mount+0x10/0x10
[ 264.208893][ T7252] ? ns_capable+0x89/0xe0
[ 264.208926][ T7252] ? user_path_at+0xd4/0x160
[ 264.208944][ T7252] __se_sys_mount+0x31d/0x420
[ 264.208973][ T7252] ? __pfx___se_sys_mount+0x10/0x10
[ 264.209003][ T7252] ? __x64_sys_mount+0x20/0xc0
[ 264.209030][ T7252] do_syscall_64+0x14d/0xf80
[ 264.209052][ T7252] ? trace_irq_disable+0x3b/0x150
[ 264.209069][ T7252] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.209089][ T7252] ? clear_bhb_loop+0x40/0x90
[ 264.209111][ T7252] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.209128][ T7252] RIP: 0033:0x7f8600f9b60a
[ 264.209147][ T7252] 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
[ 264.209161][ T7252] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.209181][ T7252] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 264.209195][ T7252] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 264.209207][ T7252] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 264.209220][ T7252] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 264.209231][ T7252] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 264.209258][ T7252]
[ 264.209283][ T7252] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 264.511855][ T7252] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:44:02 executed programs: 195
[ 264.817223][ T7256] loop1: detected capacity change from 0 to 32768
[ 264.840507][ T7256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 264.848152][ T7256] CPU: 0 UID: 0 PID: 7256 Comm: syz.1.210 Not tainted syzkaller #0 PREEMPT(full)
[ 264.848176][ T7256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 264.848187][ T7256] Call Trace:
[ 264.848194][ T7256]
[ 264.848202][ T7256] dump_stack_lvl+0xe8/0x150
[ 264.848233][ T7256] sysfs_create_dir_ns+0x271/0x2a0
[ 264.848260][ T7256] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 264.848283][ T7256] ? do_raw_spin_unlock+0xf5/0x210
[ 264.848307][ T7256] kobject_add_internal+0x62b/0xd00
[ 264.848341][ T7256] kobject_init_and_add+0x12b/0x1a0
[ 264.848373][ T7256] ? __pfx_kobject_init_and_add+0x10/0x10
[ 264.848399][ T7256] ? __raw_spin_lock_init+0x45/0x100
[ 264.848420][ T7256] ? __init_swait_queue_head+0xa9/0x150
[ 264.848442][ T7256] gfs2_sys_fs_add+0x257/0x480
[ 264.848466][ T7256] ? is_dynamic_key+0x1ac/0x1c0
[ 264.848488][ T7256] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 264.848515][ T7256] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 264.848540][ T7256] gfs2_fill_super+0x13a7/0x21d0
[ 264.848571][ T7256] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.848596][ T7256] ? sb_set_blocksize+0x155/0x240
[ 264.848619][ T7256] ? setup_bdev_super+0x4c1/0x5b0
[ 264.848640][ T7256] get_tree_bdev_flags+0x431/0x4f0
[ 264.848659][ T7256] ? __pfx_gfs2_fill_super+0x10/0x10
[ 264.848678][ T7256] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 264.848694][ T7256] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 264.848713][ T7256] gfs2_get_tree+0x51/0x1e0
[ 264.848727][ T7256] vfs_get_tree+0x92/0x2a0
[ 264.848753][ T7256] do_new_mount+0x341/0xd30
[ 264.848768][ T7256] ? apparmor_capable+0x126/0x170
[ 264.848783][ T7256] ? __pfx_do_new_mount+0x10/0x10
[ 264.848797][ T7256] ? ns_capable+0x89/0xe0
[ 264.848817][ T7256] ? user_path_at+0xd4/0x160
[ 264.848829][ T7256] __se_sys_mount+0x31d/0x420
[ 264.848847][ T7256] ? __pfx___se_sys_mount+0x10/0x10
[ 264.848864][ T7256] ? __x64_sys_mount+0x20/0xc0
[ 264.848880][ T7256] do_syscall_64+0x14d/0xf80
[ 264.848894][ T7256] ? trace_irq_disable+0x3b/0x150
[ 264.848903][ T7256] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.848914][ T7256] ? clear_bhb_loop+0x40/0x90
[ 264.848927][ T7256] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 264.848938][ T7256] RIP: 0033:0x7f8600f9b60a
[ 264.848950][ T7256] 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
[ 264.848959][ T7256] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 264.848971][ T7256] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 264.848979][ T7256] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 264.848986][ T7256] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 264.848993][ T7256] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 264.849000][ T7256] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 264.849015][ T7256]
[ 264.849031][ T7256] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.151675][ T7256] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 265.461796][ T7260] loop1: detected capacity change from 0 to 32768
[ 265.484790][ T7260] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 265.492335][ T7260] CPU: 1 UID: 0 PID: 7260 Comm: syz.1.211 Not tainted syzkaller #0 PREEMPT(full)
[ 265.492359][ T7260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 265.492370][ T7260] Call Trace:
[ 265.492378][ T7260]
[ 265.492386][ T7260] dump_stack_lvl+0xe8/0x150
[ 265.492415][ T7260] sysfs_create_dir_ns+0x271/0x2a0
[ 265.492442][ T7260] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 265.492465][ T7260] ? do_raw_spin_unlock+0xf5/0x210
[ 265.492497][ T7260] kobject_add_internal+0x62b/0xd00
[ 265.492529][ T7260] kobject_init_and_add+0x12b/0x1a0
[ 265.492558][ T7260] ? __pfx_kobject_init_and_add+0x10/0x10
[ 265.492584][ T7260] ? __raw_spin_lock_init+0x45/0x100
[ 265.492599][ T7260] ? __init_swait_queue_head+0xa9/0x150
[ 265.492613][ T7260] gfs2_sys_fs_add+0x257/0x480
[ 265.492630][ T7260] ? is_dynamic_key+0x1ac/0x1c0
[ 265.492644][ T7260] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 265.492664][ T7260] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 265.492683][ T7260] gfs2_fill_super+0x13a7/0x21d0
[ 265.492797][ T7260] ? __pfx_gfs2_fill_super+0x10/0x10
[ 265.492819][ T7260] ? sb_set_blocksize+0x155/0x240
[ 265.492835][ T7260] ? setup_bdev_super+0x4c1/0x5b0
[ 265.492849][ T7260] get_tree_bdev_flags+0x431/0x4f0
[ 265.492862][ T7260] ? __pfx_gfs2_fill_super+0x10/0x10
[ 265.492875][ T7260] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 265.492885][ T7260] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 265.492901][ T7260] gfs2_get_tree+0x51/0x1e0
[ 265.492916][ T7260] vfs_get_tree+0x92/0x2a0
[ 265.492929][ T7260] do_new_mount+0x341/0xd30
[ 265.492943][ T7260] ? apparmor_capable+0x126/0x170
[ 265.492959][ T7260] ? __pfx_do_new_mount+0x10/0x10
[ 265.492974][ T7260] ? ns_capable+0x89/0xe0
[ 265.492996][ T7260] ? user_path_at+0xd4/0x160
[ 265.493011][ T7260] __se_sys_mount+0x31d/0x420
[ 265.493029][ T7260] ? __pfx___se_sys_mount+0x10/0x10
[ 265.493047][ T7260] ? __x64_sys_mount+0x20/0xc0
[ 265.493063][ T7260] do_syscall_64+0x14d/0xf80
[ 265.493077][ T7260] ? trace_irq_disable+0x3b/0x150
[ 265.493087][ T7260] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 265.493097][ T7260] ? clear_bhb_loop+0x40/0x90
[ 265.493110][ T7260] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 265.493121][ T7260] RIP: 0033:0x7f8600f9b60a
[ 265.493134][ T7260] 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
[ 265.493142][ T7260] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 265.493155][ T7260] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 265.493162][ T7260] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 265.493169][ T7260] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 265.493176][ T7260] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 265.493183][ T7260] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 265.493199][ T7260]
[ 265.493220][ T7260] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 265.794065][ T7260] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.224990][ T7264] loop1: detected capacity change from 0 to 32768
[ 266.241945][ T7264] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.249339][ T7264] CPU: 1 UID: 0 PID: 7264 Comm: syz.1.212 Not tainted syzkaller #0 PREEMPT(full)
[ 266.249355][ T7264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 266.249361][ T7264] Call Trace:
[ 266.249372][ T7264]
[ 266.249377][ T7264] dump_stack_lvl+0xe8/0x150
[ 266.249410][ T7264] sysfs_create_dir_ns+0x271/0x2a0
[ 266.249435][ T7264] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 266.249457][ T7264] ? do_raw_spin_unlock+0xf5/0x210
[ 266.249478][ T7264] kobject_add_internal+0x62b/0xd00
[ 266.249511][ T7264] kobject_init_and_add+0x12b/0x1a0
[ 266.249540][ T7264] ? __pfx_kobject_init_and_add+0x10/0x10
[ 266.249565][ T7264] ? __raw_spin_lock_init+0x45/0x100
[ 266.249585][ T7264] ? __init_swait_queue_head+0xa9/0x150
[ 266.249604][ T7264] gfs2_sys_fs_add+0x257/0x480
[ 266.249627][ T7264] ? is_dynamic_key+0x1ac/0x1c0
[ 266.249648][ T7264] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 266.249678][ T7264] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 266.249707][ T7264] gfs2_fill_super+0x13a7/0x21d0
[ 266.249739][ T7264] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.249759][ T7264] ? sb_set_blocksize+0x155/0x240
[ 266.249782][ T7264] ? setup_bdev_super+0x4c1/0x5b0
[ 266.249803][ T7264] get_tree_bdev_flags+0x431/0x4f0
[ 266.249822][ T7264] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.249840][ T7264] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 266.249856][ T7264] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 266.249883][ T7264] gfs2_get_tree+0x51/0x1e0
[ 266.249905][ T7264] vfs_get_tree+0x92/0x2a0
[ 266.249926][ T7264] do_new_mount+0x341/0xd30
[ 266.249946][ T7264] ? apparmor_capable+0x126/0x170
[ 266.249970][ T7264] ? __pfx_do_new_mount+0x10/0x10
[ 266.249991][ T7264] ? ns_capable+0x89/0xe0
[ 266.250021][ T7264] ? user_path_at+0xd4/0x160
[ 266.250039][ T7264] __se_sys_mount+0x31d/0x420
[ 266.250067][ T7264] ? __pfx___se_sys_mount+0x10/0x10
[ 266.250097][ T7264] ? __x64_sys_mount+0x20/0xc0
[ 266.250120][ T7264] do_syscall_64+0x14d/0xf80
[ 266.250139][ T7264] ? trace_irq_disable+0x3b/0x150
[ 266.250154][ T7264] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.250172][ T7264] ? clear_bhb_loop+0x40/0x90
[ 266.250195][ T7264] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.250213][ T7264] RIP: 0033:0x7f8600f9b60a
[ 266.250232][ T7264] 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
[ 266.250247][ T7264] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.250267][ T7264] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 266.250279][ T7264] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 266.250292][ T7264] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 266.250303][ T7264] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 266.250315][ T7264] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 266.250342][ T7264]
[ 266.536029][ T7264] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 266.550523][ T7264] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 266.863910][ T7268] loop1: detected capacity change from 0 to 32768
[ 266.885284][ T7268] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 266.892788][ T7268] CPU: 1 UID: 0 PID: 7268 Comm: syz.1.213 Not tainted syzkaller #0 PREEMPT(full)
[ 266.892830][ T7268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 266.892852][ T7268] Call Trace:
[ 266.892867][ T7268]
[ 266.892884][ T7268] dump_stack_lvl+0xe8/0x150
[ 266.892943][ T7268] sysfs_create_dir_ns+0x271/0x2a0
[ 266.893000][ T7268] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 266.893056][ T7268] ? do_raw_spin_unlock+0xf5/0x210
[ 266.893107][ T7268] kobject_add_internal+0x62b/0xd00
[ 266.893180][ T7268] kobject_init_and_add+0x12b/0x1a0
[ 266.893246][ T7268] ? __pfx_kobject_init_and_add+0x10/0x10
[ 266.893304][ T7268] ? __raw_spin_lock_init+0x45/0x100
[ 266.893338][ T7268] ? __init_swait_queue_head+0xa9/0x150
[ 266.893361][ T7268] gfs2_sys_fs_add+0x257/0x480
[ 266.893385][ T7268] ? is_dynamic_key+0x1ac/0x1c0
[ 266.893408][ T7268] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 266.893441][ T7268] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 266.893473][ T7268] gfs2_fill_super+0x13a7/0x21d0
[ 266.893509][ T7268] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.893533][ T7268] ? sb_set_blocksize+0x155/0x240
[ 266.893558][ T7268] ? setup_bdev_super+0x4c1/0x5b0
[ 266.893586][ T7268] get_tree_bdev_flags+0x431/0x4f0
[ 266.893606][ T7268] ? __pfx_gfs2_fill_super+0x10/0x10
[ 266.893627][ T7268] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 266.893645][ T7268] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 266.893673][ T7268] gfs2_get_tree+0x51/0x1e0
[ 266.893697][ T7268] vfs_get_tree+0x92/0x2a0
[ 266.893719][ T7268] do_new_mount+0x341/0xd30
[ 266.893740][ T7268] ? apparmor_capable+0x126/0x170
[ 266.893766][ T7268] ? __pfx_do_new_mount+0x10/0x10
[ 266.893789][ T7268] ? ns_capable+0x89/0xe0
[ 266.893822][ T7268] ? user_path_at+0xd4/0x160
[ 266.893842][ T7268] __se_sys_mount+0x31d/0x420
[ 266.893871][ T7268] ? __pfx___se_sys_mount+0x10/0x10
[ 266.893900][ T7268] ? __x64_sys_mount+0x20/0xc0
[ 266.893925][ T7268] do_syscall_64+0x14d/0xf80
[ 266.893947][ T7268] ? trace_irq_disable+0x3b/0x150
[ 266.893962][ T7268] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.893980][ T7268] ? clear_bhb_loop+0x40/0x90
[ 266.894003][ T7268] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 266.894020][ T7268] RIP: 0033:0x7f8600f9b60a
[ 266.894038][ T7268] 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
[ 266.894053][ T7268] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 266.894072][ T7268] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 266.894086][ T7268] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 266.894098][ T7268] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 266.894116][ T7268] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 266.894127][ T7268] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 266.894160][ T7268]
[ 266.894254][ T7268] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.196323][ T7268] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 267.510503][ T7272] loop1: detected capacity change from 0 to 32768
[ 267.522996][ T7272] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 267.530998][ T7272] CPU: 0 UID: 0 PID: 7272 Comm: syz.1.214 Not tainted syzkaller #0 PREEMPT(full)
[ 267.531023][ T7272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 267.531034][ T7272] Call Trace:
[ 267.531041][ T7272]
[ 267.531049][ T7272] dump_stack_lvl+0xe8/0x150
[ 267.531080][ T7272] sysfs_create_dir_ns+0x271/0x2a0
[ 267.531107][ T7272] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 267.531131][ T7272] ? do_raw_spin_unlock+0xf5/0x210
[ 267.531155][ T7272] kobject_add_internal+0x62b/0xd00
[ 267.531188][ T7272] kobject_init_and_add+0x12b/0x1a0
[ 267.531216][ T7272] ? __pfx_kobject_init_and_add+0x10/0x10
[ 267.531241][ T7272] ? __raw_spin_lock_init+0x45/0x100
[ 267.531262][ T7272] ? __init_swait_queue_head+0xa9/0x150
[ 267.531286][ T7272] gfs2_sys_fs_add+0x257/0x480
[ 267.531311][ T7272] ? is_dynamic_key+0x1ac/0x1c0
[ 267.531343][ T7272] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 267.531375][ T7272] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 267.531406][ T7272] gfs2_fill_super+0x13a7/0x21d0
[ 267.531439][ T7272] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.531464][ T7272] ? sb_set_blocksize+0x155/0x240
[ 267.531487][ T7272] ? setup_bdev_super+0x4c1/0x5b0
[ 267.531508][ T7272] get_tree_bdev_flags+0x431/0x4f0
[ 267.531528][ T7272] ? __pfx_gfs2_fill_super+0x10/0x10
[ 267.531549][ T7272] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 267.531566][ T7272] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 267.531593][ T7272] gfs2_get_tree+0x51/0x1e0
[ 267.531617][ T7272] vfs_get_tree+0x92/0x2a0
[ 267.531639][ T7272] do_new_mount+0x341/0xd30
[ 267.531660][ T7272] ? apparmor_capable+0x126/0x170
[ 267.531685][ T7272] ? __pfx_do_new_mount+0x10/0x10
[ 267.531707][ T7272] ? ns_capable+0x89/0xe0
[ 267.531740][ T7272] ? user_path_at+0xd4/0x160
[ 267.531760][ T7272] __se_sys_mount+0x31d/0x420
[ 267.531790][ T7272] ? __pfx___se_sys_mount+0x10/0x10
[ 267.531820][ T7272] ? __x64_sys_mount+0x20/0xc0
[ 267.531846][ T7272] do_syscall_64+0x14d/0xf80
[ 267.531867][ T7272] ? trace_irq_disable+0x3b/0x150
[ 267.531883][ T7272] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.531901][ T7272] ? clear_bhb_loop+0x40/0x90
[ 267.531923][ T7272] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 267.531940][ T7272] RIP: 0033:0x7f8600f9b60a
[ 267.531958][ T7272] 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
[ 267.531972][ T7272] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 267.531992][ T7272] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 267.532005][ T7272] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 267.532017][ T7272] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 267.532029][ T7272] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 267.532041][ T7272] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 267.532068][ T7272]
[ 267.532094][ T7272] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 267.834240][ T7272] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.140039][ T7276] loop1: detected capacity change from 0 to 32768
[ 268.153789][ T7276] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.161359][ T7276] CPU: 1 UID: 0 PID: 7276 Comm: syz.1.215 Not tainted syzkaller #0 PREEMPT(full)
[ 268.161384][ T7276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 268.161395][ T7276] Call Trace:
[ 268.161403][ T7276]
[ 268.161411][ T7276] dump_stack_lvl+0xe8/0x150
[ 268.161443][ T7276] sysfs_create_dir_ns+0x271/0x2a0
[ 268.161472][ T7276] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 268.161505][ T7276] ? do_raw_spin_unlock+0xf5/0x210
[ 268.161529][ T7276] kobject_add_internal+0x62b/0xd00
[ 268.161560][ T7276] kobject_init_and_add+0x12b/0x1a0
[ 268.161591][ T7276] ? __pfx_kobject_init_and_add+0x10/0x10
[ 268.161616][ T7276] ? __raw_spin_lock_init+0x45/0x100
[ 268.161637][ T7276] ? __init_swait_queue_head+0xa9/0x150
[ 268.161660][ T7276] gfs2_sys_fs_add+0x257/0x480
[ 268.161685][ T7276] ? is_dynamic_key+0x1ac/0x1c0
[ 268.161708][ T7276] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 268.161739][ T7276] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 268.161772][ T7276] gfs2_fill_super+0x13a7/0x21d0
[ 268.161809][ T7276] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.161835][ T7276] ? sb_set_blocksize+0x155/0x240
[ 268.161860][ T7276] ? setup_bdev_super+0x4c1/0x5b0
[ 268.161882][ T7276] get_tree_bdev_flags+0x431/0x4f0
[ 268.161901][ T7276] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.161921][ T7276] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 268.161937][ T7276] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 268.161965][ T7276] gfs2_get_tree+0x51/0x1e0
[ 268.161988][ T7276] vfs_get_tree+0x92/0x2a0
[ 268.162009][ T7276] do_new_mount+0x341/0xd30
[ 268.162031][ T7276] ? apparmor_capable+0x126/0x170
[ 268.162057][ T7276] ? __pfx_do_new_mount+0x10/0x10
[ 268.162080][ T7276] ? ns_capable+0x89/0xe0
[ 268.162113][ T7276] ? user_path_at+0xd4/0x160
[ 268.162133][ T7276] __se_sys_mount+0x31d/0x420
[ 268.162162][ T7276] ? __pfx___se_sys_mount+0x10/0x10
[ 268.162210][ T7276] ? __x64_sys_mount+0x20/0xc0
[ 268.162237][ T7276] do_syscall_64+0x14d/0xf80
[ 268.162258][ T7276] ? trace_irq_disable+0x3b/0x150
[ 268.162274][ T7276] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.162292][ T7276] ? clear_bhb_loop+0x40/0x90
[ 268.162315][ T7276] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.162333][ T7276] RIP: 0033:0x7f8600f9b60a
[ 268.162351][ T7276] 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
[ 268.162367][ T7276] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.162388][ T7276] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 268.162401][ T7276] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 268.162414][ T7276] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 268.162426][ T7276] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 268.162437][ T7276] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 268.162464][ T7276]
[ 268.162498][ T7276] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 268.464936][ T7276] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 268.757515][ T7280] loop1: detected capacity change from 0 to 32768
[ 268.773461][ T7280] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 268.781317][ T7280] CPU: 1 UID: 0 PID: 7280 Comm: syz.1.216 Not tainted syzkaller #0 PREEMPT(full)
[ 268.781342][ T7280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 268.781354][ T7280] Call Trace:
[ 268.781361][ T7280]
[ 268.781369][ T7280] dump_stack_lvl+0xe8/0x150
[ 268.781401][ T7280] sysfs_create_dir_ns+0x271/0x2a0
[ 268.781436][ T7280] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 268.781463][ T7280] ? do_raw_spin_unlock+0xf5/0x210
[ 268.781486][ T7280] kobject_add_internal+0x62b/0xd00
[ 268.781519][ T7280] kobject_init_and_add+0x12b/0x1a0
[ 268.781550][ T7280] ? __pfx_kobject_init_and_add+0x10/0x10
[ 268.781577][ T7280] ? __raw_spin_lock_init+0x45/0x100
[ 268.781599][ T7280] ? __init_swait_queue_head+0xa9/0x150
[ 268.781623][ T7280] gfs2_sys_fs_add+0x257/0x480
[ 268.781647][ T7280] ? is_dynamic_key+0x1ac/0x1c0
[ 268.781670][ T7280] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 268.781702][ T7280] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 268.781732][ T7280] gfs2_fill_super+0x13a7/0x21d0
[ 268.781767][ T7280] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.781797][ T7280] ? sb_set_blocksize+0x155/0x240
[ 268.781823][ T7280] ? setup_bdev_super+0x4c1/0x5b0
[ 268.781845][ T7280] get_tree_bdev_flags+0x431/0x4f0
[ 268.781865][ T7280] ? __pfx_gfs2_fill_super+0x10/0x10
[ 268.781885][ T7280] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 268.781903][ T7280] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 268.781930][ T7280] gfs2_get_tree+0x51/0x1e0
[ 268.781954][ T7280] vfs_get_tree+0x92/0x2a0
[ 268.781976][ T7280] do_new_mount+0x341/0xd30
[ 268.781998][ T7280] ? apparmor_capable+0x126/0x170
[ 268.782022][ T7280] ? __pfx_do_new_mount+0x10/0x10
[ 268.782045][ T7280] ? ns_capable+0x89/0xe0
[ 268.782078][ T7280] ? user_path_at+0xd4/0x160
[ 268.782099][ T7280] __se_sys_mount+0x31d/0x420
[ 268.782129][ T7280] ? __pfx___se_sys_mount+0x10/0x10
[ 268.782174][ T7280] ? __x64_sys_mount+0x20/0xc0
[ 268.782200][ T7280] do_syscall_64+0x14d/0xf80
[ 268.782222][ T7280] ? trace_irq_disable+0x3b/0x150
[ 268.782237][ T7280] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.782256][ T7280] ? clear_bhb_loop+0x40/0x90
[ 268.782278][ T7280] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 268.782296][ T7280] RIP: 0033:0x7f8600f9b60a
[ 268.782314][ T7280] 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
[ 268.782329][ T7280] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 268.782349][ T7280] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 268.782362][ T7280] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 268.782374][ T7280] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 268.782387][ T7280] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 268.782398][ T7280] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 268.782435][ T7280]
[ 268.782461][ T7280] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.083072][ T7280] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 269.394122][ T7284] loop1: detected capacity change from 0 to 32768
[ 269.407286][ T7284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 269.415159][ T7284] CPU: 1 UID: 0 PID: 7284 Comm: syz.1.217 Not tainted syzkaller #0 PREEMPT(full)
[ 269.415183][ T7284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 269.415194][ T7284] Call Trace:
[ 269.415201][ T7284]
[ 269.415209][ T7284] dump_stack_lvl+0xe8/0x150
[ 269.415240][ T7284] sysfs_create_dir_ns+0x271/0x2a0
[ 269.415260][ T7284] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 269.415275][ T7284] ? do_raw_spin_unlock+0xf5/0x210
[ 269.415290][ T7284] kobject_add_internal+0x62b/0xd00
[ 269.415311][ T7284] kobject_init_and_add+0x12b/0x1a0
[ 269.415329][ T7284] ? __pfx_kobject_init_and_add+0x10/0x10
[ 269.415345][ T7284] ? __raw_spin_lock_init+0x45/0x100
[ 269.415357][ T7284] ? __init_swait_queue_head+0xa9/0x150
[ 269.415371][ T7284] gfs2_sys_fs_add+0x257/0x480
[ 269.415389][ T7284] ? is_dynamic_key+0x1ac/0x1c0
[ 269.415403][ T7284] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 269.415423][ T7284] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 269.415441][ T7284] gfs2_fill_super+0x13a7/0x21d0
[ 269.415461][ T7284] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.415476][ T7284] ? sb_set_blocksize+0x155/0x240
[ 269.415491][ T7284] ? setup_bdev_super+0x4c1/0x5b0
[ 269.415505][ T7284] get_tree_bdev_flags+0x431/0x4f0
[ 269.415517][ T7284] ? __pfx_gfs2_fill_super+0x10/0x10
[ 269.415529][ T7284] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 269.415540][ T7284] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 269.415556][ T7284] gfs2_get_tree+0x51/0x1e0
[ 269.415572][ T7284] vfs_get_tree+0x92/0x2a0
[ 269.415593][ T7284] do_new_mount+0x341/0xd30
[ 269.415613][ T7284] ? apparmor_capable+0x126/0x170
[ 269.415636][ T7284] ? __pfx_do_new_mount+0x10/0x10
[ 269.415658][ T7284] ? ns_capable+0x89/0xe0
[ 269.415681][ T7284] ? user_path_at+0xd4/0x160
[ 269.415692][ T7284] __se_sys_mount+0x31d/0x420
[ 269.415710][ T7284] ? __pfx___se_sys_mount+0x10/0x10
[ 269.415727][ T7284] ? __x64_sys_mount+0x20/0xc0
[ 269.415743][ T7284] do_syscall_64+0x14d/0xf80
[ 269.415757][ T7284] ? trace_irq_disable+0x3b/0x150
[ 269.415767][ T7284] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.415777][ T7284] ? clear_bhb_loop+0x40/0x90
[ 269.415790][ T7284] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 269.415801][ T7284] RIP: 0033:0x7f8600f9b60a
[ 269.415813][ T7284] 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
[ 269.415822][ T7284] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 269.415834][ T7284] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 269.415842][ T7284] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 269.415849][ T7284] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 269.415856][ T7284] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 269.415862][ T7284] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 269.415878][ T7284]
[ 269.416222][ T7284] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 269.717626][ T7284] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:44:07 executed programs: 203
[ 270.025309][ T7288] loop1: detected capacity change from 0 to 32768
[ 270.043891][ T7288] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.051453][ T7288] CPU: 0 UID: 0 PID: 7288 Comm: syz.1.218 Not tainted syzkaller #0 PREEMPT(full)
[ 270.051479][ T7288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 270.051490][ T7288] Call Trace:
[ 270.051497][ T7288]
[ 270.051505][ T7288] dump_stack_lvl+0xe8/0x150
[ 270.051536][ T7288] sysfs_create_dir_ns+0x271/0x2a0
[ 270.051563][ T7288] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 270.051617][ T7288] ? do_raw_spin_unlock+0xf5/0x210
[ 270.051643][ T7288] kobject_add_internal+0x62b/0xd00
[ 270.051675][ T7288] kobject_init_and_add+0x12b/0x1a0
[ 270.051711][ T7288] ? __pfx_kobject_init_and_add+0x10/0x10
[ 270.051736][ T7288] ? __raw_spin_lock_init+0x45/0x100
[ 270.051758][ T7288] ? __init_swait_queue_head+0xa9/0x150
[ 270.051780][ T7288] gfs2_sys_fs_add+0x257/0x480
[ 270.051806][ T7288] ? is_dynamic_key+0x1ac/0x1c0
[ 270.051828][ T7288] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 270.051861][ T7288] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 270.051895][ T7288] gfs2_fill_super+0x13a7/0x21d0
[ 270.051932][ T7288] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.051958][ T7288] ? sb_set_blocksize+0x155/0x240
[ 270.051982][ T7288] ? setup_bdev_super+0x4c1/0x5b0
[ 270.052005][ T7288] get_tree_bdev_flags+0x431/0x4f0
[ 270.052026][ T7288] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.052046][ T7288] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 270.052064][ T7288] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 270.052093][ T7288] gfs2_get_tree+0x51/0x1e0
[ 270.052117][ T7288] vfs_get_tree+0x92/0x2a0
[ 270.052138][ T7288] do_new_mount+0x341/0xd30
[ 270.052159][ T7288] ? apparmor_capable+0x126/0x170
[ 270.052191][ T7288] ? __pfx_do_new_mount+0x10/0x10
[ 270.052215][ T7288] ? ns_capable+0x89/0xe0
[ 270.052250][ T7288] ? user_path_at+0xd4/0x160
[ 270.052270][ T7288] __se_sys_mount+0x31d/0x420
[ 270.052300][ T7288] ? __pfx___se_sys_mount+0x10/0x10
[ 270.052328][ T7288] ? __x64_sys_mount+0x20/0xc0
[ 270.052353][ T7288] do_syscall_64+0x14d/0xf80
[ 270.052374][ T7288] ? trace_irq_disable+0x3b/0x150
[ 270.052396][ T7288] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.052415][ T7288] ? clear_bhb_loop+0x40/0x90
[ 270.052435][ T7288] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.052452][ T7288] RIP: 0033:0x7f8600f9b60a
[ 270.052471][ T7288] 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
[ 270.052485][ T7288] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.052505][ T7288] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 270.052518][ T7288] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 270.052530][ T7288] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 270.052542][ T7288] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 270.052553][ T7288] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 270.052581][ T7288]
[ 270.052608][ T7288] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.354992][ T7288] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 270.658235][ T7292] loop1: detected capacity change from 0 to 32768
[ 270.672850][ T7292] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 270.681245][ T7292] CPU: 1 UID: 0 PID: 7292 Comm: syz.1.219 Not tainted syzkaller #0 PREEMPT(full)
[ 270.681269][ T7292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 270.681281][ T7292] Call Trace:
[ 270.681288][ T7292]
[ 270.681297][ T7292] dump_stack_lvl+0xe8/0x150
[ 270.681328][ T7292] sysfs_create_dir_ns+0x271/0x2a0
[ 270.681353][ T7292] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 270.681378][ T7292] ? do_raw_spin_unlock+0xf5/0x210
[ 270.681402][ T7292] kobject_add_internal+0x62b/0xd00
[ 270.681435][ T7292] kobject_init_and_add+0x12b/0x1a0
[ 270.681465][ T7292] ? __pfx_kobject_init_and_add+0x10/0x10
[ 270.681492][ T7292] ? __raw_spin_lock_init+0x45/0x100
[ 270.681512][ T7292] ? __init_swait_queue_head+0xa9/0x150
[ 270.681535][ T7292] gfs2_sys_fs_add+0x257/0x480
[ 270.681559][ T7292] ? is_dynamic_key+0x1ac/0x1c0
[ 270.681582][ T7292] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 270.681615][ T7292] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 270.681647][ T7292] gfs2_fill_super+0x13a7/0x21d0
[ 270.681681][ T7292] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.681705][ T7292] ? sb_set_blocksize+0x155/0x240
[ 270.681730][ T7292] ? setup_bdev_super+0x4c1/0x5b0
[ 270.681752][ T7292] get_tree_bdev_flags+0x431/0x4f0
[ 270.681773][ T7292] ? __pfx_gfs2_fill_super+0x10/0x10
[ 270.681793][ T7292] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 270.681809][ T7292] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 270.681835][ T7292] gfs2_get_tree+0x51/0x1e0
[ 270.681858][ T7292] vfs_get_tree+0x92/0x2a0
[ 270.681878][ T7292] do_new_mount+0x341/0xd30
[ 270.681900][ T7292] ? apparmor_capable+0x126/0x170
[ 270.681925][ T7292] ? __pfx_do_new_mount+0x10/0x10
[ 270.681947][ T7292] ? ns_capable+0x89/0xe0
[ 270.681978][ T7292] ? user_path_at+0xd4/0x160
[ 270.682013][ T7292] __se_sys_mount+0x31d/0x420
[ 270.682075][ T7292] ? __pfx___se_sys_mount+0x10/0x10
[ 270.682104][ T7292] ? __x64_sys_mount+0x20/0xc0
[ 270.682130][ T7292] do_syscall_64+0x14d/0xf80
[ 270.682153][ T7292] ? trace_irq_disable+0x3b/0x150
[ 270.682169][ T7292] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.682188][ T7292] ? clear_bhb_loop+0x40/0x90
[ 270.682211][ T7292] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 270.682228][ T7292] RIP: 0033:0x7f8600f9b60a
[ 270.682247][ T7292] 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
[ 270.682262][ T7292] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 270.682282][ T7292] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 270.682296][ T7292] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 270.682308][ T7292] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 270.682321][ T7292] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 270.682332][ T7292] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 270.682361][ T7292]
[ 270.682912][ T7292] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 270.985109][ T7292] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.298945][ T7296] loop1: detected capacity change from 0 to 32768
[ 271.312172][ T7296] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.320112][ T7296] CPU: 0 UID: 0 PID: 7296 Comm: syz.1.220 Not tainted syzkaller #0 PREEMPT(full)
[ 271.320136][ T7296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 271.320148][ T7296] Call Trace:
[ 271.320155][ T7296]
[ 271.320163][ T7296] dump_stack_lvl+0xe8/0x150
[ 271.320194][ T7296] sysfs_create_dir_ns+0x271/0x2a0
[ 271.320228][ T7296] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 271.320254][ T7296] ? do_raw_spin_unlock+0xf5/0x210
[ 271.320278][ T7296] kobject_add_internal+0x62b/0xd00
[ 271.320312][ T7296] kobject_init_and_add+0x12b/0x1a0
[ 271.320341][ T7296] ? __pfx_kobject_init_and_add+0x10/0x10
[ 271.320368][ T7296] ? __raw_spin_lock_init+0x45/0x100
[ 271.320389][ T7296] ? __init_swait_queue_head+0xa9/0x150
[ 271.320412][ T7296] gfs2_sys_fs_add+0x257/0x480
[ 271.320436][ T7296] ? is_dynamic_key+0x1ac/0x1c0
[ 271.320459][ T7296] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 271.320492][ T7296] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 271.320523][ T7296] gfs2_fill_super+0x13a7/0x21d0
[ 271.320558][ T7296] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.320583][ T7296] ? sb_set_blocksize+0x155/0x240
[ 271.320608][ T7296] ? setup_bdev_super+0x4c1/0x5b0
[ 271.320630][ T7296] get_tree_bdev_flags+0x431/0x4f0
[ 271.320650][ T7296] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.320669][ T7296] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 271.320688][ T7296] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 271.320715][ T7296] gfs2_get_tree+0x51/0x1e0
[ 271.320739][ T7296] vfs_get_tree+0x92/0x2a0
[ 271.320760][ T7296] do_new_mount+0x341/0xd30
[ 271.320781][ T7296] ? apparmor_capable+0x126/0x170
[ 271.320807][ T7296] ? __pfx_do_new_mount+0x10/0x10
[ 271.320830][ T7296] ? ns_capable+0x89/0xe0
[ 271.320863][ T7296] ? user_path_at+0xd4/0x160
[ 271.320883][ T7296] __se_sys_mount+0x31d/0x420
[ 271.320911][ T7296] ? __pfx___se_sys_mount+0x10/0x10
[ 271.320940][ T7296] ? __x64_sys_mount+0x20/0xc0
[ 271.320966][ T7296] do_syscall_64+0x14d/0xf80
[ 271.320987][ T7296] ? trace_irq_disable+0x3b/0x150
[ 271.321003][ T7296] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.321022][ T7296] ? clear_bhb_loop+0x40/0x90
[ 271.321043][ T7296] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.321060][ T7296] RIP: 0033:0x7f8600f9b60a
[ 271.321079][ T7296] 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
[ 271.321093][ T7296] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.321113][ T7296] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 271.321126][ T7296] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 271.321138][ T7296] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 271.321150][ T7296] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 271.321162][ T7296] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 271.321191][ T7296]
[ 271.321221][ T7296] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 271.622966][ T7296] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 271.928701][ T7300] loop1: detected capacity change from 0 to 32768
[ 271.940984][ T7300] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 271.948390][ T7300] CPU: 1 UID: 0 PID: 7300 Comm: syz.1.221 Not tainted syzkaller #0 PREEMPT(full)
[ 271.948405][ T7300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 271.948412][ T7300] Call Trace:
[ 271.948417][ T7300]
[ 271.948422][ T7300] dump_stack_lvl+0xe8/0x150
[ 271.948443][ T7300] sysfs_create_dir_ns+0x271/0x2a0
[ 271.948460][ T7300] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 271.948476][ T7300] ? do_raw_spin_unlock+0xf5/0x210
[ 271.948491][ T7300] kobject_add_internal+0x62b/0xd00
[ 271.948512][ T7300] kobject_init_and_add+0x12b/0x1a0
[ 271.948530][ T7300] ? __pfx_kobject_init_and_add+0x10/0x10
[ 271.948546][ T7300] ? __raw_spin_lock_init+0x45/0x100
[ 271.948558][ T7300] ? __init_swait_queue_head+0xa9/0x150
[ 271.948571][ T7300] gfs2_sys_fs_add+0x257/0x480
[ 271.948588][ T7300] ? is_dynamic_key+0x1ac/0x1c0
[ 271.948602][ T7300] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 271.948622][ T7300] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 271.948640][ T7300] gfs2_fill_super+0x13a7/0x21d0
[ 271.948660][ T7300] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.948675][ T7300] ? sb_set_blocksize+0x155/0x240
[ 271.948690][ T7300] ? setup_bdev_super+0x4c1/0x5b0
[ 271.948704][ T7300] get_tree_bdev_flags+0x431/0x4f0
[ 271.948716][ T7300] ? __pfx_gfs2_fill_super+0x10/0x10
[ 271.948728][ T7300] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 271.948739][ T7300] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 271.948755][ T7300] gfs2_get_tree+0x51/0x1e0
[ 271.948769][ T7300] vfs_get_tree+0x92/0x2a0
[ 271.948782][ T7300] do_new_mount+0x341/0xd30
[ 271.948796][ T7300] ? apparmor_capable+0x126/0x170
[ 271.948812][ T7300] ? __pfx_do_new_mount+0x10/0x10
[ 271.948827][ T7300] ? ns_capable+0x89/0xe0
[ 271.948847][ T7300] ? user_path_at+0xd4/0x160
[ 271.948858][ T7300] __se_sys_mount+0x31d/0x420
[ 271.948876][ T7300] ? __pfx___se_sys_mount+0x10/0x10
[ 271.948894][ T7300] ? __x64_sys_mount+0x20/0xc0
[ 271.948910][ T7300] do_syscall_64+0x14d/0xf80
[ 271.948923][ T7300] ? trace_irq_disable+0x3b/0x150
[ 271.948970][ T7300] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.948981][ T7300] ? clear_bhb_loop+0x40/0x90
[ 271.948995][ T7300] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 271.949005][ T7300] RIP: 0033:0x7f8600f9b60a
[ 271.949017][ T7300] 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
[ 271.949026][ T7300] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 271.949038][ T7300] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 271.949046][ T7300] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 271.949053][ T7300] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 271.949059][ T7300] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 271.949066][ T7300] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 271.949082][ T7300]
[ 271.949097][ T7300] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.249909][ T7300] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 272.552132][ T7304] loop1: detected capacity change from 0 to 32768
[ 272.569355][ T7304] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 272.576840][ T7304] CPU: 0 UID: 0 PID: 7304 Comm: syz.1.222 Not tainted syzkaller #0 PREEMPT(full)
[ 272.576865][ T7304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 272.576875][ T7304] Call Trace:
[ 272.576883][ T7304]
[ 272.576891][ T7304] dump_stack_lvl+0xe8/0x150
[ 272.576923][ T7304] sysfs_create_dir_ns+0x271/0x2a0
[ 272.576952][ T7304] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 272.576978][ T7304] ? do_raw_spin_unlock+0xf5/0x210
[ 272.577003][ T7304] kobject_add_internal+0x62b/0xd00
[ 272.577035][ T7304] kobject_init_and_add+0x12b/0x1a0
[ 272.577065][ T7304] ? __pfx_kobject_init_and_add+0x10/0x10
[ 272.577092][ T7304] ? __raw_spin_lock_init+0x45/0x100
[ 272.577114][ T7304] ? __init_swait_queue_head+0xa9/0x150
[ 272.577145][ T7304] gfs2_sys_fs_add+0x257/0x480
[ 272.577171][ T7304] ? is_dynamic_key+0x1ac/0x1c0
[ 272.577194][ T7304] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 272.577226][ T7304] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 272.577258][ T7304] gfs2_fill_super+0x13a7/0x21d0
[ 272.577295][ T7304] ? __pfx_gfs2_fill_super+0x10/0x10
[ 272.577319][ T7304] ? sb_set_blocksize+0x155/0x240
[ 272.577343][ T7304] ? setup_bdev_super+0x4c1/0x5b0
[ 272.577366][ T7304] get_tree_bdev_flags+0x431/0x4f0
[ 272.577387][ T7304] ? __pfx_gfs2_fill_super+0x10/0x10
[ 272.577409][ T7304] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 272.577427][ T7304] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 272.577456][ T7304] gfs2_get_tree+0x51/0x1e0
[ 272.577480][ T7304] vfs_get_tree+0x92/0x2a0
[ 272.577501][ T7304] do_new_mount+0x341/0xd30
[ 272.577524][ T7304] ? apparmor_capable+0x126/0x170
[ 272.577549][ T7304] ? __pfx_do_new_mount+0x10/0x10
[ 272.577571][ T7304] ? ns_capable+0x89/0xe0
[ 272.577602][ T7304] ? user_path_at+0xd4/0x160
[ 272.577619][ T7304] __se_sys_mount+0x31d/0x420
[ 272.577646][ T7304] ? __pfx___se_sys_mount+0x10/0x10
[ 272.577667][ T7304] ? __x64_sys_mount+0x20/0xc0
[ 272.577683][ T7304] do_syscall_64+0x14d/0xf80
[ 272.577698][ T7304] ? trace_irq_disable+0x3b/0x150
[ 272.577707][ T7304] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 272.577718][ T7304] ? clear_bhb_loop+0x40/0x90
[ 272.577731][ T7304] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 272.577742][ T7304] RIP: 0033:0x7f8600f9b60a
[ 272.577754][ T7304] 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
[ 272.577763][ T7304] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 272.577776][ T7304] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 272.577784][ T7304] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 272.577791][ T7304] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 272.577797][ T7304] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 272.577805][ T7304] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 272.577820][ T7304]
[ 272.577843][ T7304] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 272.879036][ T7304] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.184880][ T7308] loop1: detected capacity change from 0 to 32768
[ 273.199761][ T7308] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.207305][ T7308] CPU: 1 UID: 0 PID: 7308 Comm: syz.1.223 Not tainted syzkaller #0 PREEMPT(full)
[ 273.207327][ T7308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 273.207338][ T7308] Call Trace:
[ 273.207348][ T7308]
[ 273.207356][ T7308] dump_stack_lvl+0xe8/0x150
[ 273.207385][ T7308] sysfs_create_dir_ns+0x271/0x2a0
[ 273.207403][ T7308] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 273.207419][ T7308] ? do_raw_spin_unlock+0xf5/0x210
[ 273.207433][ T7308] kobject_add_internal+0x62b/0xd00
[ 273.207454][ T7308] kobject_init_and_add+0x12b/0x1a0
[ 273.207472][ T7308] ? __pfx_kobject_init_and_add+0x10/0x10
[ 273.207488][ T7308] ? __raw_spin_lock_init+0x45/0x100
[ 273.207501][ T7308] ? __init_swait_queue_head+0xa9/0x150
[ 273.207514][ T7308] gfs2_sys_fs_add+0x257/0x480
[ 273.207531][ T7308] ? is_dynamic_key+0x1ac/0x1c0
[ 273.207546][ T7308] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 273.207565][ T7308] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 273.207583][ T7308] gfs2_fill_super+0x13a7/0x21d0
[ 273.207605][ T7308] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.207619][ T7308] ? sb_set_blocksize+0x155/0x240
[ 273.207634][ T7308] ? setup_bdev_super+0x4c1/0x5b0
[ 273.207648][ T7308] get_tree_bdev_flags+0x431/0x4f0
[ 273.207660][ T7308] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.207672][ T7308] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 273.207683][ T7308] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 273.207699][ T7308] gfs2_get_tree+0x51/0x1e0
[ 273.207713][ T7308] vfs_get_tree+0x92/0x2a0
[ 273.207726][ T7308] do_new_mount+0x341/0xd30
[ 273.207741][ T7308] ? apparmor_capable+0x126/0x170
[ 273.207757][ T7308] ? __pfx_do_new_mount+0x10/0x10
[ 273.207771][ T7308] ? ns_capable+0x89/0xe0
[ 273.207791][ T7308] ? user_path_at+0xd4/0x160
[ 273.207803][ T7308] __se_sys_mount+0x31d/0x420
[ 273.207849][ T7308] ? __pfx___se_sys_mount+0x10/0x10
[ 273.207868][ T7308] ? __x64_sys_mount+0x20/0xc0
[ 273.207884][ T7308] do_syscall_64+0x14d/0xf80
[ 273.207898][ T7308] ? trace_irq_disable+0x3b/0x150
[ 273.207907][ T7308] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.207918][ T7308] ? clear_bhb_loop+0x40/0x90
[ 273.207931][ T7308] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.207942][ T7308] RIP: 0033:0x7f8600f9b60a
[ 273.207954][ T7308] 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
[ 273.207963][ T7308] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.207975][ T7308] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 273.207982][ T7308] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 273.207990][ T7308] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 273.207996][ T7308] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 273.208003][ T7308] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 273.208019][ T7308]
[ 273.208037][ T7308] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 273.509265][ T7308] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 273.806722][ T7312] loop1: detected capacity change from 0 to 32768
[ 273.821420][ T7312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 273.828921][ T7312] CPU: 1 UID: 0 PID: 7312 Comm: syz.1.224 Not tainted syzkaller #0 PREEMPT(full)
[ 273.828938][ T7312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 273.828945][ T7312] Call Trace:
[ 273.828951][ T7312]
[ 273.828956][ T7312] dump_stack_lvl+0xe8/0x150
[ 273.828977][ T7312] sysfs_create_dir_ns+0x271/0x2a0
[ 273.828994][ T7312] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 273.829010][ T7312] ? do_raw_spin_unlock+0xf5/0x210
[ 273.829024][ T7312] kobject_add_internal+0x62b/0xd00
[ 273.829046][ T7312] kobject_init_and_add+0x12b/0x1a0
[ 273.829064][ T7312] ? __pfx_kobject_init_and_add+0x10/0x10
[ 273.829081][ T7312] ? __raw_spin_lock_init+0x45/0x100
[ 273.829093][ T7312] ? __init_swait_queue_head+0xa9/0x150
[ 273.829107][ T7312] gfs2_sys_fs_add+0x257/0x480
[ 273.829123][ T7312] ? is_dynamic_key+0x1ac/0x1c0
[ 273.829138][ T7312] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 273.829157][ T7312] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 273.829176][ T7312] gfs2_fill_super+0x13a7/0x21d0
[ 273.829196][ T7312] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.829211][ T7312] ? sb_set_blocksize+0x155/0x240
[ 273.829226][ T7312] ? setup_bdev_super+0x4c1/0x5b0
[ 273.829239][ T7312] get_tree_bdev_flags+0x431/0x4f0
[ 273.829251][ T7312] ? __pfx_gfs2_fill_super+0x10/0x10
[ 273.829264][ T7312] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 273.829274][ T7312] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 273.829294][ T7312] gfs2_get_tree+0x51/0x1e0
[ 273.829308][ T7312] vfs_get_tree+0x92/0x2a0
[ 273.829321][ T7312] do_new_mount+0x341/0xd30
[ 273.829335][ T7312] ? apparmor_capable+0x126/0x170
[ 273.829351][ T7312] ? __pfx_do_new_mount+0x10/0x10
[ 273.829365][ T7312] ? ns_capable+0x89/0xe0
[ 273.829390][ T7312] ? user_path_at+0xd4/0x160
[ 273.829407][ T7312] __se_sys_mount+0x31d/0x420
[ 273.829432][ T7312] ? __pfx___se_sys_mount+0x10/0x10
[ 273.829458][ T7312] ? __x64_sys_mount+0x20/0xc0
[ 273.829480][ T7312] do_syscall_64+0x14d/0xf80
[ 273.829499][ T7312] ? trace_irq_disable+0x3b/0x150
[ 273.829515][ T7312] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.829534][ T7312] ? clear_bhb_loop+0x40/0x90
[ 273.829557][ T7312] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 273.829575][ T7312] RIP: 0033:0x7f8600f9b60a
[ 273.829594][ T7312] 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
[ 273.829610][ T7312] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 273.829630][ T7312] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 273.829642][ T7312] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 273.829652][ T7312] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 273.829662][ T7312] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 273.829672][ T7312] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 273.829698][ T7312]
[ 274.116882][ T7312] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.131061][ T7312] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 274.433392][ T7316] loop1: detected capacity change from 0 to 32768
[ 274.447922][ T7316] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 274.455712][ T7316] CPU: 1 UID: 0 PID: 7316 Comm: syz.1.225 Not tainted syzkaller #0 PREEMPT(full)
[ 274.455734][ T7316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 274.455745][ T7316] Call Trace:
[ 274.455753][ T7316]
[ 274.455761][ T7316] dump_stack_lvl+0xe8/0x150
[ 274.455790][ T7316] sysfs_create_dir_ns+0x271/0x2a0
[ 274.455816][ T7316] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 274.455842][ T7316] ? do_raw_spin_unlock+0xf5/0x210
[ 274.455866][ T7316] kobject_add_internal+0x62b/0xd00
[ 274.455903][ T7316] kobject_init_and_add+0x12b/0x1a0
[ 274.455934][ T7316] ? __pfx_kobject_init_and_add+0x10/0x10
[ 274.455959][ T7316] ? __raw_spin_lock_init+0x45/0x100
[ 274.455980][ T7316] ? __init_swait_queue_head+0xa9/0x150
[ 274.456003][ T7316] gfs2_sys_fs_add+0x257/0x480
[ 274.456026][ T7316] ? is_dynamic_key+0x1ac/0x1c0
[ 274.456047][ T7316] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 274.456081][ T7316] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 274.456119][ T7316] gfs2_fill_super+0x13a7/0x21d0
[ 274.456154][ T7316] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.456180][ T7316] ? sb_set_blocksize+0x155/0x240
[ 274.456205][ T7316] ? setup_bdev_super+0x4c1/0x5b0
[ 274.456227][ T7316] get_tree_bdev_flags+0x431/0x4f0
[ 274.456246][ T7316] ? __pfx_gfs2_fill_super+0x10/0x10
[ 274.456267][ T7316] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 274.456285][ T7316] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 274.456314][ T7316] gfs2_get_tree+0x51/0x1e0
[ 274.456338][ T7316] vfs_get_tree+0x92/0x2a0
[ 274.456366][ T7316] do_new_mount+0x341/0xd30
[ 274.456394][ T7316] ? apparmor_capable+0x126/0x170
[ 274.456421][ T7316] ? __pfx_do_new_mount+0x10/0x10
[ 274.456445][ T7316] ? ns_capable+0x89/0xe0
[ 274.456479][ T7316] ? user_path_at+0xd4/0x160
[ 274.456499][ T7316] __se_sys_mount+0x31d/0x420
[ 274.456528][ T7316] ? __pfx___se_sys_mount+0x10/0x10
[ 274.456558][ T7316] ? __x64_sys_mount+0x20/0xc0
[ 274.456584][ T7316] do_syscall_64+0x14d/0xf80
[ 274.456607][ T7316] ? trace_irq_disable+0x3b/0x150
[ 274.456622][ T7316] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.456641][ T7316] ? clear_bhb_loop+0x40/0x90
[ 274.456662][ T7316] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 274.456678][ T7316] RIP: 0033:0x7f8600f9b60a
[ 274.456701][ T7316] 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
[ 274.456714][ T7316] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 274.456739][ T7316] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 274.456756][ T7316] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 274.456768][ T7316] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 274.456780][ T7316] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 274.456791][ T7316] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 274.456819][ T7316]
[ 274.456872][ T7316] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 274.757058][ T7316] gfs2: fsid=syz:syz: error -17 adding sysfs files
2026/02/20 09:44:12 executed programs: 211
[ 275.058590][ T7320] loop1: detected capacity change from 0 to 32768
[ 275.075819][ T7320] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.084342][ T7320] CPU: 1 UID: 0 PID: 7320 Comm: syz.1.226 Not tainted syzkaller #0 PREEMPT(full)
[ 275.084367][ T7320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 275.084378][ T7320] Call Trace:
[ 275.084386][ T7320]
[ 275.084393][ T7320] dump_stack_lvl+0xe8/0x150
[ 275.084422][ T7320] sysfs_create_dir_ns+0x271/0x2a0
[ 275.084448][ T7320] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 275.084474][ T7320] ? do_raw_spin_unlock+0xf5/0x210
[ 275.084498][ T7320] kobject_add_internal+0x62b/0xd00
[ 275.084531][ T7320] kobject_init_and_add+0x12b/0x1a0
[ 275.084560][ T7320] ? __pfx_kobject_init_and_add+0x10/0x10
[ 275.084587][ T7320] ? __raw_spin_lock_init+0x45/0x100
[ 275.084608][ T7320] ? __init_swait_queue_head+0xa9/0x150
[ 275.084631][ T7320] gfs2_sys_fs_add+0x257/0x480
[ 275.084656][ T7320] ? is_dynamic_key+0x1ac/0x1c0
[ 275.084687][ T7320] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 275.084719][ T7320] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 275.084751][ T7320] gfs2_fill_super+0x13a7/0x21d0
[ 275.084787][ T7320] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.084811][ T7320] ? sb_set_blocksize+0x155/0x240
[ 275.084836][ T7320] ? setup_bdev_super+0x4c1/0x5b0
[ 275.084858][ T7320] get_tree_bdev_flags+0x431/0x4f0
[ 275.084878][ T7320] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.084898][ T7320] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 275.084916][ T7320] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 275.084943][ T7320] gfs2_get_tree+0x51/0x1e0
[ 275.084967][ T7320] vfs_get_tree+0x92/0x2a0
[ 275.084988][ T7320] do_new_mount+0x341/0xd30
[ 275.085009][ T7320] ? apparmor_capable+0x126/0x170
[ 275.085034][ T7320] ? __pfx_do_new_mount+0x10/0x10
[ 275.085057][ T7320] ? ns_capable+0x89/0xe0
[ 275.085090][ T7320] ? user_path_at+0xd4/0x160
[ 275.085110][ T7320] __se_sys_mount+0x31d/0x420
[ 275.085139][ T7320] ? __pfx___se_sys_mount+0x10/0x10
[ 275.085168][ T7320] ? __x64_sys_mount+0x20/0xc0
[ 275.085194][ T7320] do_syscall_64+0x14d/0xf80
[ 275.085215][ T7320] ? trace_irq_disable+0x3b/0x150
[ 275.085231][ T7320] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.085249][ T7320] ? clear_bhb_loop+0x40/0x90
[ 275.085271][ T7320] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.085288][ T7320] RIP: 0033:0x7f8600f9b60a
[ 275.085306][ T7320] 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
[ 275.085321][ T7320] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.085340][ T7320] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 275.085352][ T7320] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 275.085365][ T7320] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 275.085377][ T7320] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 275.085388][ T7320] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 275.085416][ T7320]
[ 275.085885][ T7320] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 275.387141][ T7320] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 275.694560][ T7324] loop1: detected capacity change from 0 to 32768
[ 275.707435][ T7324] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 275.715327][ T7324] CPU: 1 UID: 0 PID: 7324 Comm: syz.1.227 Not tainted syzkaller #0 PREEMPT(full)
[ 275.715351][ T7324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 275.715362][ T7324] Call Trace:
[ 275.715370][ T7324]
[ 275.715378][ T7324] dump_stack_lvl+0xe8/0x150
[ 275.715408][ T7324] sysfs_create_dir_ns+0x271/0x2a0
[ 275.715435][ T7324] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 275.715460][ T7324] ? do_raw_spin_unlock+0xf5/0x210
[ 275.715485][ T7324] kobject_add_internal+0x62b/0xd00
[ 275.715520][ T7324] kobject_init_and_add+0x12b/0x1a0
[ 275.715550][ T7324] ? __pfx_kobject_init_and_add+0x10/0x10
[ 275.715577][ T7324] ? __raw_spin_lock_init+0x45/0x100
[ 275.715597][ T7324] ? __init_swait_queue_head+0xa9/0x150
[ 275.715618][ T7324] gfs2_sys_fs_add+0x257/0x480
[ 275.715642][ T7324] ? is_dynamic_key+0x1ac/0x1c0
[ 275.715664][ T7324] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 275.715695][ T7324] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 275.715725][ T7324] gfs2_fill_super+0x13a7/0x21d0
[ 275.715760][ T7324] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.715785][ T7324] ? sb_set_blocksize+0x155/0x240
[ 275.715810][ T7324] ? setup_bdev_super+0x4c1/0x5b0
[ 275.715833][ T7324] get_tree_bdev_flags+0x431/0x4f0
[ 275.715861][ T7324] ? __pfx_gfs2_fill_super+0x10/0x10
[ 275.715881][ T7324] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 275.715899][ T7324] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 275.715928][ T7324] gfs2_get_tree+0x51/0x1e0
[ 275.715951][ T7324] vfs_get_tree+0x92/0x2a0
[ 275.715973][ T7324] do_new_mount+0x341/0xd30
[ 275.715996][ T7324] ? apparmor_capable+0x126/0x170
[ 275.716022][ T7324] ? __pfx_do_new_mount+0x10/0x10
[ 275.716044][ T7324] ? ns_capable+0x89/0xe0
[ 275.716077][ T7324] ? user_path_at+0xd4/0x160
[ 275.716098][ T7324] __se_sys_mount+0x31d/0x420
[ 275.716128][ T7324] ? __pfx___se_sys_mount+0x10/0x10
[ 275.716158][ T7324] ? __x64_sys_mount+0x20/0xc0
[ 275.716185][ T7324] do_syscall_64+0x14d/0xf80
[ 275.716206][ T7324] ? trace_irq_disable+0x3b/0x150
[ 275.716222][ T7324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.716240][ T7324] ? clear_bhb_loop+0x40/0x90
[ 275.716261][ T7324] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 275.716279][ T7324] RIP: 0033:0x7f8600f9b60a
[ 275.716297][ T7324] 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
[ 275.716312][ T7324] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 275.716331][ T7324] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 275.716344][ T7324] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 275.716357][ T7324] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 275.716368][ T7324] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 275.716380][ T7324] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 275.716409][ T7324]
[ 275.716434][ T7324] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.017480][ T7324] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.326475][ T7328] loop1: detected capacity change from 0 to 32768
[ 276.339025][ T7328] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.346863][ T7328] CPU: 1 UID: 0 PID: 7328 Comm: syz.1.228 Not tainted syzkaller #0 PREEMPT(full)
[ 276.346885][ T7328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 276.346895][ T7328] Call Trace:
[ 276.346911][ T7328]
[ 276.346918][ T7328] dump_stack_lvl+0xe8/0x150
[ 276.346948][ T7328] sysfs_create_dir_ns+0x271/0x2a0
[ 276.346974][ T7328] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 276.346994][ T7328] ? do_raw_spin_unlock+0xf5/0x210
[ 276.347009][ T7328] kobject_add_internal+0x62b/0xd00
[ 276.347030][ T7328] kobject_init_and_add+0x12b/0x1a0
[ 276.347048][ T7328] ? __pfx_kobject_init_and_add+0x10/0x10
[ 276.347065][ T7328] ? __raw_spin_lock_init+0x45/0x100
[ 276.347077][ T7328] ? __init_swait_queue_head+0xa9/0x150
[ 276.347091][ T7328] gfs2_sys_fs_add+0x257/0x480
[ 276.347107][ T7328] ? is_dynamic_key+0x1ac/0x1c0
[ 276.347122][ T7328] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 276.347141][ T7328] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 276.347159][ T7328] gfs2_fill_super+0x13a7/0x21d0
[ 276.347180][ T7328] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.347195][ T7328] ? sb_set_blocksize+0x155/0x240
[ 276.347210][ T7328] ? setup_bdev_super+0x4c1/0x5b0
[ 276.347223][ T7328] get_tree_bdev_flags+0x431/0x4f0
[ 276.347236][ T7328] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.347248][ T7328] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 276.347259][ T7328] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 276.347275][ T7328] gfs2_get_tree+0x51/0x1e0
[ 276.347289][ T7328] vfs_get_tree+0x92/0x2a0
[ 276.347302][ T7328] do_new_mount+0x341/0xd30
[ 276.347316][ T7328] ? apparmor_capable+0x126/0x170
[ 276.347332][ T7328] ? __pfx_do_new_mount+0x10/0x10
[ 276.347347][ T7328] ? ns_capable+0x89/0xe0
[ 276.347366][ T7328] ? user_path_at+0xd4/0x160
[ 276.347378][ T7328] __se_sys_mount+0x31d/0x420
[ 276.347395][ T7328] ? __pfx___se_sys_mount+0x10/0x10
[ 276.347413][ T7328] ? __x64_sys_mount+0x20/0xc0
[ 276.347429][ T7328] do_syscall_64+0x14d/0xf80
[ 276.347443][ T7328] ? trace_irq_disable+0x3b/0x150
[ 276.347453][ T7328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.347464][ T7328] ? clear_bhb_loop+0x40/0x90
[ 276.347477][ T7328] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.347488][ T7328] RIP: 0033:0x7f8600f9b60a
[ 276.347500][ T7328] 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
[ 276.347508][ T7328] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.347520][ T7328] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 276.347528][ T7328] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 276.347535][ T7328] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 276.347542][ T7328] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 276.347548][ T7328] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 276.347569][ T7328]
[ 276.347966][ T7328] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 276.649104][ T7328] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 276.955272][ T7332] loop1: detected capacity change from 0 to 32768
[ 276.966513][ T7332] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 276.974338][ T7332] CPU: 0 UID: 0 PID: 7332 Comm: syz.1.229 Not tainted syzkaller #0 PREEMPT(full)
[ 276.974363][ T7332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 276.974374][ T7332] Call Trace:
[ 276.974383][ T7332]
[ 276.974391][ T7332] dump_stack_lvl+0xe8/0x150
[ 276.974421][ T7332] sysfs_create_dir_ns+0x271/0x2a0
[ 276.974448][ T7332] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 276.974473][ T7332] ? do_raw_spin_unlock+0xf5/0x210
[ 276.974497][ T7332] kobject_add_internal+0x62b/0xd00
[ 276.974530][ T7332] kobject_init_and_add+0x12b/0x1a0
[ 276.974569][ T7332] ? __pfx_kobject_init_and_add+0x10/0x10
[ 276.974596][ T7332] ? __raw_spin_lock_init+0x45/0x100
[ 276.974617][ T7332] ? __init_swait_queue_head+0xa9/0x150
[ 276.974640][ T7332] gfs2_sys_fs_add+0x257/0x480
[ 276.974664][ T7332] ? is_dynamic_key+0x1ac/0x1c0
[ 276.974692][ T7332] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 276.974723][ T7332] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 276.974756][ T7332] gfs2_fill_super+0x13a7/0x21d0
[ 276.974791][ T7332] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.974814][ T7332] ? sb_set_blocksize+0x155/0x240
[ 276.974838][ T7332] ? setup_bdev_super+0x4c1/0x5b0
[ 276.974860][ T7332] get_tree_bdev_flags+0x431/0x4f0
[ 276.974882][ T7332] ? __pfx_gfs2_fill_super+0x10/0x10
[ 276.974903][ T7332] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 276.974921][ T7332] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 276.974949][ T7332] gfs2_get_tree+0x51/0x1e0
[ 276.974972][ T7332] vfs_get_tree+0x92/0x2a0
[ 276.974994][ T7332] do_new_mount+0x341/0xd30
[ 276.975015][ T7332] ? apparmor_capable+0x126/0x170
[ 276.975047][ T7332] ? __pfx_do_new_mount+0x10/0x10
[ 276.975070][ T7332] ? ns_capable+0x89/0xe0
[ 276.975102][ T7332] ? user_path_at+0xd4/0x160
[ 276.975122][ T7332] __se_sys_mount+0x31d/0x420
[ 276.975151][ T7332] ? __pfx___se_sys_mount+0x10/0x10
[ 276.975180][ T7332] ? __x64_sys_mount+0x20/0xc0
[ 276.975206][ T7332] do_syscall_64+0x14d/0xf80
[ 276.975228][ T7332] ? trace_irq_disable+0x3b/0x150
[ 276.975244][ T7332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.975262][ T7332] ? clear_bhb_loop+0x40/0x90
[ 276.975285][ T7332] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 276.975302][ T7332] RIP: 0033:0x7f8600f9b60a
[ 276.975320][ T7332] 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
[ 276.975335][ T7332] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 276.975355][ T7332] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 276.975368][ T7332] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 276.975381][ T7332] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 276.975393][ T7332] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 276.975405][ T7332] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 276.975435][ T7332]
[ 276.975487][ T7332] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.278048][ T7332] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 277.577478][ T7336] loop1: detected capacity change from 0 to 32768
[ 277.593098][ T7336] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 277.609455][ T7336] CPU: 0 UID: 0 PID: 7336 Comm: syz.1.230 Not tainted syzkaller #0 PREEMPT(full)
[ 277.609481][ T7336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 277.609490][ T7336] Call Trace:
[ 277.609498][ T7336]
[ 277.609506][ T7336] dump_stack_lvl+0xe8/0x150
[ 277.609537][ T7336] sysfs_create_dir_ns+0x271/0x2a0
[ 277.609564][ T7336] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 277.609587][ T7336] ? do_raw_spin_unlock+0xf5/0x210
[ 277.609606][ T7336] kobject_add_internal+0x62b/0xd00
[ 277.609632][ T7336] kobject_init_and_add+0x12b/0x1a0
[ 277.609659][ T7336] ? __pfx_kobject_init_and_add+0x10/0x10
[ 277.609681][ T7336] ? __raw_spin_lock_init+0x45/0x100
[ 277.609697][ T7336] ? __init_swait_queue_head+0xa9/0x150
[ 277.609722][ T7336] gfs2_sys_fs_add+0x257/0x480
[ 277.609743][ T7336] ? is_dynamic_key+0x1ac/0x1c0
[ 277.609761][ T7336] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 277.609787][ T7336] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 277.609811][ T7336] gfs2_fill_super+0x13a7/0x21d0
[ 277.609838][ T7336] ? __pfx_gfs2_fill_super+0x10/0x10
[ 277.609858][ T7336] ? sb_set_blocksize+0x155/0x240
[ 277.609877][ T7336] ? setup_bdev_super+0x4c1/0x5b0
[ 277.609895][ T7336] get_tree_bdev_flags+0x431/0x4f0
[ 277.609911][ T7336] ? __pfx_gfs2_fill_super+0x10/0x10
[ 277.609927][ T7336] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 277.609941][ T7336] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 277.609963][ T7336] gfs2_get_tree+0x51/0x1e0
[ 277.609981][ T7336] vfs_get_tree+0x92/0x2a0
[ 277.609998][ T7336] do_new_mount+0x341/0xd30
[ 277.610016][ T7336] ? apparmor_capable+0x126/0x170
[ 277.610036][ T7336] ? __pfx_do_new_mount+0x10/0x10
[ 277.610054][ T7336] ? ns_capable+0x89/0xe0
[ 277.610080][ T7336] ? user_path_at+0xd4/0x160
[ 277.610095][ T7336] __se_sys_mount+0x31d/0x420
[ 277.610118][ T7336] ? __pfx___se_sys_mount+0x10/0x10
[ 277.610141][ T7336] ? __x64_sys_mount+0x20/0xc0
[ 277.610161][ T7336] do_syscall_64+0x14d/0xf80
[ 277.610179][ T7336] ? trace_irq_disable+0x3b/0x150
[ 277.610191][ T7336] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 277.610206][ T7336] ? clear_bhb_loop+0x40/0x90
[ 277.610223][ T7336] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 277.610237][ T7336] RIP: 0033:0x7f8600f9b60a
[ 277.610252][ T7336] 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
[ 277.610264][ T7336] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 277.610280][ T7336] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 277.610291][ T7336] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 277.610301][ T7336] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 277.610310][ T7336] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 277.610320][ T7336] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 277.610342][ T7336]
[ 277.610369][ T7336] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 277.912118][ T7336] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.059530][ T30] INFO: task kworker/0:2:805 blocked for more than 143 seconds.
[ 278.067301][ T30] Not tainted syzkaller #0
[ 278.072826][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 278.083642][ T30] task:kworker/0:2 state:D stack:25384 pid:805 tgid:805 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 278.096029][ T30] Workqueue: gfs2_recovery gfs2_recover_func
[ 278.102425][ T30] Call Trace:
[ 278.105742][ T30]
[ 278.108697][ T30] __schedule+0x1585/0x5340
[ 278.114078][ T30] ? __lock_acquire+0x146e/0x2cf0
[ 278.119149][ T30] ? __pfx___schedule+0x10/0x10
[ 278.124448][ T30] ? schedule+0x90/0x360
[ 278.128725][ T30] schedule+0x164/0x360
[ 278.138725][ T30] io_schedule+0x7f/0xd0
[ 278.144484][ T30] folio_wait_bit_common+0x6d8/0xbc0
[ 278.150396][ T30] ? __pfx_folio_wait_bit_common+0x10/0x10
[ 278.156232][ T30] ? __submit_bio+0x28d/0x580
[ 278.161378][ T30] ? __pfx_wake_page_function+0x10/0x10
[ 278.166961][ T30] ? __get_log_header+0x2a3/0x630
[ 278.172487][ T30] ? __filemap_get_folio_mpol+0x710/0xb00
[ 278.178241][ T30] gfs2_jhead_process_page+0x175/0x670
[ 278.184182][ T30] ? __pfx_gfs2_jhead_process_page+0x10/0x10
[ 278.190511][ T30] gfs2_find_jhead+0xbd2/0xd30
[ 278.195327][ T30] gfs2_recover_func+0x6cf/0x1f60
[ 278.200834][ T30] ? ret_from_fork_asm+0x1a/0x30
[ 278.205886][ T30] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 278.212499][ T30] ? arch_stack_walk+0x11b/0x150
[ 278.217468][ T30] ? ret_from_fork_asm+0x1a/0x30
[ 278.222860][ T30] ? __pfx_gfs2_recover_func+0x10/0x10
[ 278.228345][ T30] ? stack_trace_save+0xa9/0x100
[ 278.233825][ T30] ? __pfx_stack_trace_save+0x10/0x10
[ 278.239227][ T30] ? check_path+0x21/0x40
[ 278.244072][ T30] ? add_lock_to_list+0xc7/0x100
[ 278.249313][ T30] ? lockdep_unlock+0x5d/0xd0
[ 278.255455][ T30] ? __lock_acquire+0x146e/0x2cf0
[ 278.260936][ T30] ? process_one_work+0x87c/0x1650
[ 278.266137][ T30] process_one_work+0x949/0x1650
[ 278.271566][ T30] ? __pfx_process_one_work+0x10/0x10
[ 278.276964][ T30] ? do_raw_spin_lock+0x12b/0x2f0
[ 278.282410][ T30] worker_thread+0xb46/0x1140
[ 278.287121][ T30] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 278.293725][ T30] kthread+0x388/0x470
[ 278.297825][ T30] ? __pfx_worker_thread+0x10/0x10
[ 278.303578][ T30] ? __pfx_kthread+0x10/0x10
[ 278.308188][ T30] ret_from_fork+0x51e/0xb90
[ 278.313217][ T30] ? __pfx_ret_from_fork+0x10/0x10
[ 278.318349][ T30] ? __switch_to+0xc7d/0x1450
[ 278.323431][ T30] ? __pfx_kthread+0x10/0x10
[ 278.328035][ T30] ret_from_fork_asm+0x1a/0x30
[ 278.333253][ T30]
[ 278.336430][ T30] INFO: task syz.0.17:6451 blocked for more than 143 seconds.
[ 278.338180][ T7340] loop1: detected capacity change from 0 to 32768
[ 278.344338][ T30] Not tainted syzkaller #0
[ 278.344354][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 278.344365][ T30] task:syz.0.17 state:D stack:24952 pid:6451 tgid:6450 ppid:6330 task_flags:0x400140 flags:0x00080002
[ 278.344416][ T30] Call Trace:
[ 278.344425][ T30]
[ 278.344437][ T30] __schedule+0x1585/0x5340
[ 278.392229][ T7340] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 278.392510][ T30] ? __pfx___schedule+0x10/0x10
[ 278.405304][ T30] ? schedule+0x90/0x360
[ 278.406244][ T7340] CPU: 0 UID: 0 PID: 7340 Comm: syz.1.231 Not tainted syzkaller #0 PREEMPT(full)
[ 278.406266][ T7340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 278.406277][ T7340] Call Trace:
[ 278.406284][ T7340]
[ 278.406293][ T7340] dump_stack_lvl+0xe8/0x150
[ 278.406321][ T7340] sysfs_create_dir_ns+0x271/0x2a0
[ 278.406348][ T7340] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 278.406372][ T7340] ? do_raw_spin_unlock+0xf5/0x210
[ 278.406404][ T7340] kobject_add_internal+0x62b/0xd00
[ 278.406437][ T7340] kobject_init_and_add+0x12b/0x1a0
[ 278.406467][ T7340] ? __pfx_kobject_init_and_add+0x10/0x10
[ 278.406493][ T7340] ? __raw_spin_lock_init+0x45/0x100
[ 278.406513][ T7340] ? __init_swait_queue_head+0xa9/0x150
[ 278.406535][ T7340] gfs2_sys_fs_add+0x257/0x480
[ 278.406560][ T7340] ? is_dynamic_key+0x1ac/0x1c0
[ 278.406582][ T7340] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 278.406614][ T7340] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 278.406646][ T7340] gfs2_fill_super+0x13a7/0x21d0
[ 278.406681][ T7340] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.406705][ T7340] ? sb_set_blocksize+0x155/0x240
[ 278.406729][ T7340] ? setup_bdev_super+0x4c1/0x5b0
[ 278.406751][ T7340] get_tree_bdev_flags+0x431/0x4f0
[ 278.406771][ T7340] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.406791][ T7340] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.406807][ T7340] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.406836][ T7340] gfs2_get_tree+0x51/0x1e0
[ 278.406859][ T7340] vfs_get_tree+0x92/0x2a0
[ 278.406881][ T7340] do_new_mount+0x341/0xd30
[ 278.406902][ T7340] ? apparmor_capable+0x126/0x170
[ 278.406928][ T7340] ? __pfx_do_new_mount+0x10/0x10
[ 278.406951][ T7340] ? ns_capable+0x89/0xe0
[ 278.406983][ T7340] ? user_path_at+0xd4/0x160
[ 278.407002][ T7340] __se_sys_mount+0x31d/0x420
[ 278.407031][ T7340] ? __pfx___se_sys_mount+0x10/0x10
[ 278.407061][ T7340] ? __x64_sys_mount+0x20/0xc0
[ 278.407087][ T7340] do_syscall_64+0x14d/0xf80
[ 278.407108][ T7340] ? trace_irq_disable+0x3b/0x150
[ 278.407124][ T7340] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.407142][ T7340] ? clear_bhb_loop+0x40/0x90
[ 278.407163][ T7340] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.407181][ T7340] RIP: 0033:0x7f8600f9b60a
[ 278.407198][ T7340] 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
[ 278.407211][ T7340] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.407231][ T7340] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 278.407244][ T7340] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 278.407256][ T7340] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 278.407268][ T7340] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 278.407279][ T7340] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 278.407306][ T7340]
[ 278.407329][ T7340] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 278.414042][ T30] schedule+0x164/0x360
[ 278.419523][ T7340] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 278.429873][ T30] bit_wait+0x11/0xd0
[ 278.725334][ T30] __wait_on_bit+0xb9/0x310
[ 278.730078][ T30] ? __pfx_bit_wait+0x10/0x10
[ 278.734890][ T30] out_of_line_wait_on_bit+0x13b/0x190
[ 278.740426][ T30] ? __pfx_bit_wait+0x10/0x10
[ 278.745129][ T30] ? __pfx_out_of_line_wait_on_bit+0x10/0x10
[ 278.751213][ T30] ? __pfx_wake_bit_function+0x10/0x10
[ 278.756786][ T30] gfs2_recover_journal+0xda/0x140
[ 278.762237][ T30] init_journal+0x16ad/0x22b0
[ 278.766970][ T30] ? init_inodes+0xdb/0x320
[ 278.772522][ T30] ? __pfx_init_journal+0x10/0x10
[ 278.777599][ T30] ? snprintf+0xe8/0x140
[ 278.781940][ T30] ? init_inodes+0xdb/0x320
[ 278.786471][ T30] ? __pfx_snprintf+0x10/0x10
[ 278.791243][ T30] ? gfs2_glock_nq_num+0x13d/0x170
[ 278.796394][ T30] init_inodes+0xdb/0x320
[ 278.800796][ T30] gfs2_fill_super+0x1a38/0x21d0
[ 278.805765][ T30] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.811195][ T30] ? init_locking+0xb8/0x210
[ 278.815828][ T30] ? sb_set_blocksize+0x155/0x240
[ 278.820915][ T30] ? setup_bdev_super+0x4c1/0x5b0
[ 278.825954][ T30] get_tree_bdev_flags+0x431/0x4f0
[ 278.831207][ T30] ? __pfx_gfs2_fill_super+0x10/0x10
[ 278.836512][ T30] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 278.842197][ T30] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 278.847851][ T30] gfs2_get_tree+0x51/0x1e0
[ 278.852517][ T30] vfs_get_tree+0x92/0x2a0
[ 278.856945][ T30] do_new_mount+0x341/0xd30
[ 278.861526][ T30] ? apparmor_capable+0x126/0x170
[ 278.866913][ T30] ? __pfx_do_new_mount+0x10/0x10
[ 278.872021][ T30] ? ns_capable+0x89/0xe0
[ 278.876386][ T30] ? user_path_at+0xd4/0x160
[ 278.881057][ T30] __se_sys_mount+0x31d/0x420
[ 278.885772][ T30] ? __pfx___se_sys_mount+0x10/0x10
[ 278.891051][ T30] ? __x64_sys_mount+0x20/0xc0
[ 278.895834][ T30] do_syscall_64+0x14d/0xf80
[ 278.900492][ T30] ? trace_irq_disable+0x3b/0x150
[ 278.905623][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.911850][ T30] ? clear_bhb_loop+0x40/0x90
[ 278.916538][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 278.922493][ T30] RIP: 0033:0x7fb6eab9b60a
[ 278.926917][ T30] RSP: 002b:00007fb6eb931e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 278.935504][ T30] RAX: ffffffffffffffda RBX: 00007fb6eb931ee0 RCX: 00007fb6eab9b60a
[ 278.943589][ T30] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007fb6eb931ea0
[ 278.951635][ T30] RBP: 000020000001f680 R08: 00007fb6eb931ee0 R09: 0000000000000094
[ 278.959641][ T30] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 278.967929][ T30] R13: 00007fb6eb931ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 278.976006][ T30]
[ 278.979122][ T30]
[ 278.979122][ T30] Showing all locks held in the system:
[ 278.986972][ T30] 1 lock held by pool_workqueue_/3:
[ 278.992792][ T30] #0: ffff8880b863ade0 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x31/0x150
[ 279.002902][ T30] 1 lock held by khungtaskd/30:
[ 279.007784][ T30] #0: ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[ 279.018010][ T30] 2 locks held by kworker/0:2/805:
[ 279.023307][ T30] #0: ffff88801effb148 ((wq_completion)gfs2_recovery){+.+.}-{0:0}, at: process_one_work+0x855/0x1650
[ 279.034964][ T30] #1: ffffc90003bf7c40 ((work_completion)(&jd->jd_work)){+.+.}-{0:0}, at: process_one_work+0x87c/0x1650
[ 279.046606][ T30] 2 locks held by syslogd/5181:
[ 279.051748][ T30] 2 locks held by getty/5591:
[ 279.056432][ T30] #0: ffff8880322040a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 279.066463][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
[ 279.075372][ T7344] loop1: detected capacity change from 0 to 32768
[ 279.077143][ T30] 1 lock held by syz.0.17/6451:
[ 279.088037][ T30] #0: ffff88807a35c0e0 (&type->s_umount_key#54/1){+.+.}-{4:4}, at: alloc_super+0x28c/0xab0
[ 279.098701][ T30] 1 lock held by udevd/6457:
[ 279.103570][ T30] 2 locks held by syz.1.232/7344:
[ 279.108632][ T30]
[ 279.109308][ T7344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 279.111243][ T30] =============================================
[ 279.111243][ T30]
[ 279.127059][ T7344] CPU: 0 UID: 0 PID: 7344 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT(full)
[ 279.127080][ T7344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 279.127090][ T7344] Call Trace:
[ 279.127097][ T7344]
[ 279.127104][ T7344] dump_stack_lvl+0xe8/0x150
[ 279.127134][ T7344] sysfs_create_dir_ns+0x271/0x2a0
[ 279.127157][ T7344] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 279.127178][ T7344] ? do_raw_spin_unlock+0xf5/0x210
[ 279.127199][ T7344] kobject_add_internal+0x62b/0xd00
[ 279.127226][ T7344] kobject_init_and_add+0x12b/0x1a0
[ 279.127252][ T7344] ? __pfx_kobject_init_and_add+0x10/0x10
[ 279.127274][ T7344] ? __raw_spin_lock_init+0x45/0x100
[ 279.127292][ T7344] ? __init_swait_queue_head+0xa9/0x150
[ 279.127317][ T7344] gfs2_sys_fs_add+0x257/0x480
[ 279.127338][ T7344] ? is_dynamic_key+0x1ac/0x1c0
[ 279.127366][ T7344] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 279.127393][ T7344] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 279.127421][ T7344] gfs2_fill_super+0x13a7/0x21d0
[ 279.127451][ T7344] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.127472][ T7344] ? sb_set_blocksize+0x155/0x240
[ 279.127493][ T7344] ? setup_bdev_super+0x4c1/0x5b0
[ 279.127513][ T7344] get_tree_bdev_flags+0x431/0x4f0
[ 279.127530][ T7344] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.127547][ T7344] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 279.127562][ T7344] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 279.127586][ T7344] gfs2_get_tree+0x51/0x1e0
[ 279.127607][ T7344] vfs_get_tree+0x92/0x2a0
[ 279.127625][ T7344] do_new_mount+0x341/0xd30
[ 279.127644][ T7344] ? apparmor_capable+0x126/0x170
[ 279.127666][ T7344] ? __pfx_do_new_mount+0x10/0x10
[ 279.127685][ T7344] ? ns_capable+0x89/0xe0
[ 279.127714][ T7344] ? user_path_at+0xd4/0x160
[ 279.127730][ T7344] __se_sys_mount+0x31d/0x420
[ 279.127755][ T7344] ? __pfx___se_sys_mount+0x10/0x10
[ 279.127780][ T7344] ? __x64_sys_mount+0x20/0xc0
[ 279.127802][ T7344] do_syscall_64+0x14d/0xf80
[ 279.127821][ T7344] ? trace_irq_disable+0x3b/0x150
[ 279.127835][ T7344] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.127851][ T7344] ? clear_bhb_loop+0x40/0x90
[ 279.127869][ T7344] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.127885][ T7344] RIP: 0033:0x7f8600f9b60a
[ 279.127900][ T7344] 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
[ 279.127913][ T7344] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.127930][ T7344] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 279.127941][ T7344] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 279.127952][ T7344] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 279.127962][ T7344] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 279.127972][ T7344] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 279.127996][ T7344]
[ 279.128003][ T30] NMI backtrace for cpu 1
[ 279.128015][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 279.128019][ T7344] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 279.128033][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 279.128043][ T30] Call Trace:
[ 279.128049][ T30]
[ 279.128055][ T30] dump_stack_lvl+0xe8/0x150
[ 279.128079][ T30] nmi_cpu_backtrace+0x274/0x2d0
[ 279.128097][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 279.128123][ T30] nmi_trigger_cpumask_backtrace+0x17a/0x300
[ 279.128143][ T30] sys_info+0x135/0x170
[ 279.128167][ T30] watchdog+0xfd9/0x1030
[ 279.128188][ T30] ? watchdog+0x21a/0x1030
[ 279.128210][ T30] kthread+0x388/0x470
[ 279.128228][ T30] ? __pfx_watchdog+0x10/0x10
[ 279.128242][ T30] ? __pfx_kthread+0x10/0x10
[ 279.128261][ T30] ret_from_fork+0x51e/0xb90
[ 279.128286][ T30] ? __pfx_ret_from_fork+0x10/0x10
[ 279.128306][ T30] ? __switch_to+0xc7d/0x1450
[ 279.128330][ T30] ? __pfx_kthread+0x10/0x10
[ 279.128347][ T30] ret_from_fork_asm+0x1a/0x30
[ 279.128377][ T30]
[ 279.128384][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 279.189496][ T7344] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 279.190677][ C0] NMI backtrace for cpu 0
[ 279.190690][ C0] CPU: 0 UID: 0 PID: 7344 Comm: syz.1.232 Not tainted syzkaller #0 PREEMPT(full)
[ 279.190706][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 279.190716][ C0] RIP: 0010:io_serial_out+0x7c/0xc0
[ 279.190739][ C0] Code: 93 83 fc 44 89 f9 d3 e5 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 8c c2 ed fc 41 03 2e 89 d8 89 ea ee <5b> 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc 44 89 f9 80 e1 07 38 c1
[ 279.190757][ C0] RSP: 0018:ffffc90004347350 EFLAGS: 00000002
[ 279.190772][ C0] RAX: 0000000000000020 RBX: 0000000000000020 RCX: 0000000000000000
[ 279.190781][ C0] RDX: 00000000000003f8 RSI: 0000000000000000 RDI: 0000000000000020
[ 279.190791][ C0] RBP: 00000000000003f8 R08: ffff888025df0237 R09: 1ffff11004bbe046
[ 279.190802][ C0] R10: dffffc0000000000 R11: ffffffff85420e60 R12: dffffc0000000000
[ 279.190813][ C0] R13: ffffffff9a2bfa43 R14: ffffffff9a5d7900 R15: 0000000000000000
[ 279.190824][ C0] FS: 00007f8601da66c0(0000) GS:ffff888125457000(0000) knlGS:0000000000000000
[ 279.190837][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 279.190848][ C0] CR2: 00007fd84699d000 CR3: 0000000033d7e000 CR4: 00000000003526f0
[ 279.190861][ C0] Call Trace:
[ 279.190867][ C0]
[ 279.190875][ C0] serial8250_console_write+0x140c/0x1ba0
[ 279.190901][ C0] ? __pfx_serial8250_console_write+0x10/0x10
[ 279.190918][ C0] ? lock_acquire+0xf0/0x2e0
[ 279.190939][ C0] ? do_raw_spin_unlock+0xf5/0x210
[ 279.190955][ C0] ? console_flush_all+0x123/0xb20
[ 279.190970][ C0] console_flush_all+0x718/0xb20
[ 279.190987][ C0] ? console_flush_all+0x123/0xb20
[ 279.191004][ C0] ? __pfx_console_flush_all+0x10/0x10
[ 279.191020][ C0] ? is_printk_cpu_sync_owner+0x32/0x40
[ 279.191039][ C0] console_unlock+0xd1/0x1c0
[ 279.191054][ C0] ? __pfx_console_unlock+0x10/0x10
[ 279.191069][ C0] ? vprintk_emit+0x2cf/0x560
[ 279.191081][ C0] ? vprintk_emit+0x2cf/0x560
[ 279.191095][ C0] vprintk_emit+0x485/0x560
[ 279.191109][ C0] ? __pfx_vprintk_emit+0x10/0x10
[ 279.191122][ C0] ? kobject_add_internal+0x99a/0xd00
[ 279.191147][ C0] _printk+0xdd/0x130
[ 279.191164][ C0] ? __pfx__printk+0x10/0x10
[ 279.191178][ C0] ? __raw_spin_lock_init+0x45/0x100
[ 279.191194][ C0] ? __init_swait_queue_head+0xa9/0x150
[ 279.191211][ C0] gfs2_sys_fs_add+0x3a6/0x480
[ 279.191231][ C0] ? is_dynamic_key+0x1ac/0x1c0
[ 279.191249][ C0] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 279.191272][ C0] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 279.191294][ C0] gfs2_fill_super+0x13a7/0x21d0
[ 279.191318][ C0] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.191343][ C0] ? sb_set_blocksize+0x155/0x240
[ 279.191362][ C0] ? setup_bdev_super+0x4c1/0x5b0
[ 279.191379][ C0] get_tree_bdev_flags+0x431/0x4f0
[ 279.191395][ C0] ? __pfx_gfs2_fill_super+0x10/0x10
[ 279.191411][ C0] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 279.191425][ C0] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 279.191444][ C0] gfs2_get_tree+0x51/0x1e0
[ 279.191461][ C0] vfs_get_tree+0x92/0x2a0
[ 279.191477][ C0] do_new_mount+0x341/0xd30
[ 279.191496][ C0] ? apparmor_capable+0x126/0x170
[ 279.191515][ C0] ? __pfx_do_new_mount+0x10/0x10
[ 279.191534][ C0] ? ns_capable+0x89/0xe0
[ 279.191557][ C0] ? user_path_at+0xd4/0x160
[ 279.191572][ C0] __se_sys_mount+0x31d/0x420
[ 279.191594][ C0] ? __pfx___se_sys_mount+0x10/0x10
[ 279.191615][ C0] ? __x64_sys_mount+0x20/0xc0
[ 279.191635][ C0] do_syscall_64+0x14d/0xf80
[ 279.191653][ C0] ? trace_irq_disable+0x3b/0x150
[ 279.191666][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.191681][ C0] ? clear_bhb_loop+0x40/0x90
[ 279.191697][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 279.191711][ C0] RIP: 0033:0x7f8600f9b60a
[ 279.191725][ C0] 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
[ 279.191737][ C0] RSP: 002b:00007f8601da5e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 279.191752][ C0] RAX: ffffffffffffffda RBX: 00007f8601da5ee0 RCX: 00007f8600f9b60a
[ 279.191762][ C0] RDX: 000020000001f680 RSI: 0000200000000040 RDI: 00007f8601da5ea0
[ 279.191773][ C0] RBP: 000020000001f680 R08: 00007f8601da5ee0 R09: 0000000000000094
[ 279.191783][ C0] R10: 0000000000000094 R11: 0000000000000246 R12: 0000200000000040
[ 279.191793][ C0] R13: 00007f8601da5ea0 R14: 000000000001f790 R15: 00002000000001c0
[ 279.191811][ C0]
[ 279.197468][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 279.197497][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
[ 279.197518][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 279.197529][ T30] Call Trace:
[ 279.197538][ T30]
[ 279.197546][ T30] vpanic+0x56c/0xa60
[ 279.197574][ T30] ? __pfx___schedule+0x10/0x10
[ 279.197604][ T30] ? __pfx_vpanic+0x10/0x10
[ 279.197636][ T30] panic+0xc5/0xd0
[ 279.197659][ T30] ? __pfx_panic+0x10/0x10
[ 279.197684][ T30] ? preempt_schedule_thunk+0x16/0x30
[ 279.197710][ T30] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[ 279.197733][ T30] watchdog+0x1023/0x1030
[ 279.197756][ T30] ? watchdog+0x21a/0x1030
[ 279.197779][ T30] kthread+0x388/0x470
[ 279.197798][ T30] ? __pfx_watchdog+0x10/0x10
[ 279.197814][ T30] ? __pfx_kthread+0x10/0x10
[ 279.197834][ T30] ret_from_fork+0x51e/0xb90
[ 279.197860][ T30] ? __pfx_ret_from_fork+0x10/0x10
[ 279.197881][ T30] ? __switch_to+0xc7d/0x1450
[ 279.197906][ T30] ? __pfx_kthread+0x10/0x10
[ 279.197926][ T30] ret_from_fork_asm+0x1a/0x30
[ 279.197956][ T30]
[ 279.202799][ T30] Kernel Offset: disabled