dd+0x257/0x480
[ 520.470651][T11146] ? is_dynamic_key+0x1ac/0x1c0
[ 520.470672][T11146] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 520.470698][T11146] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 520.470728][T11146] gfs2_fill_super+0x13a7/0x21d0
[ 520.470758][T11146] ? __pfx_gfs2_fill_super+0x10/0x10
[ 520.470777][T11146] ? sb_set_blocksize+0x155/0x240
[ 520.470800][T11146] ? setup_bdev_super+0x4c1/0x5b0
[ 520.470828][T11146] get_tree_bdev_flags+0x431/0x4f0
[ 520.470845][T11146] ? __pfx_gfs2_fill_super+0x10/0x10
[ 520.470865][T11146] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 520.470880][T11146] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 520.470905][T11146] gfs2_get_tree+0x51/0x1e0
[ 520.470923][T11146] vfs_get_tree+0x92/0x2a0
[ 520.470942][T11146] do_new_mount+0x341/0xd30
[ 520.470962][T11146] ? apparmor_capable+0x126/0x170
[ 520.470988][T11146] ? __pfx_do_new_mount+0x10/0x10
[ 520.471008][T11146] ? ns_capable+0x89/0xe0
[ 520.471038][T11146] ? user_path_at+0xd4/0x160
[ 520.471055][T11146] __se_sys_mount+0x31d/0x420
[ 520.471081][T11146] ? __pfx___se_sys_mount+0x10/0x10
[ 520.471106][T11146] ? __x64_sys_mount+0x20/0xc0
[ 520.471142][T11146] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 520.471159][T11146] do_syscall_64+0x15f/0xf80
[ 520.471179][T11146] ? trace_irq_disable+0x3b/0x140
[ 520.471196][T11146] ? clear_bhb_loop+0x40/0x90
[ 520.471216][T11146] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 520.471232][T11146] RIP: 0033:0x7f17b109cf5a
[ 520.471248][T11146] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 520.471262][T11146] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 520.471279][T11146] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 520.471290][T11146] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 520.471301][T11146] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 520.471312][T11146] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 520.471322][T11146] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 520.471347][T11146]
[ 520.471752][T11146] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 520.525370][T11149] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 520.854110][T11146] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 520.908275][T11152] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 520.917439][T11152] CPU: 0 UID: 0 PID: 11152 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 520.917464][T11152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 520.917474][T11152] Call Trace:
[ 520.917481][T11152]
[ 520.917489][T11152] dump_stack_lvl+0xe8/0x150
[ 520.917517][T11152] sysfs_create_dir_ns+0x271/0x2a0
[ 520.917543][T11152] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 520.917566][T11152] ? do_raw_spin_unlock+0xf5/0x210
[ 520.917589][T11152] kobject_add_internal+0x62b/0xd00
[ 520.917620][T11152] kobject_init_and_add+0x12b/0x1a0
[ 520.917647][T11152] ? __pfx_kobject_init_and_add+0x10/0x10
[ 520.917670][T11152] ? __raw_spin_lock_init+0x45/0x100
[ 520.917690][T11152] ? __init_swait_queue_head+0xa9/0x150
[ 520.917711][T11152] gfs2_sys_fs_add+0x257/0x480
[ 520.917737][T11152] ? is_dynamic_key+0x1ac/0x1c0
[ 520.917760][T11152] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 520.917787][T11152] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 520.917818][T11152] gfs2_fill_super+0x13a7/0x21d0
[ 520.917849][T11152] ? __pfx_gfs2_fill_super+0x10/0x10
[ 520.917869][T11152] ? sb_set_blocksize+0x155/0x240
[ 520.917894][T11152] ? setup_bdev_super+0x4c1/0x5b0
[ 520.917915][T11152] get_tree_bdev_flags+0x431/0x4f0
[ 520.917932][T11152] ? __pfx_gfs2_fill_super+0x10/0x10
[ 520.917948][T11152] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 520.917963][T11152] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 520.917989][T11152] gfs2_get_tree+0x51/0x1e0
[ 520.918008][T11152] vfs_get_tree+0x92/0x2a0
[ 520.918027][T11152] do_new_mount+0x341/0xd30
[ 520.918047][T11152] ? apparmor_capable+0x126/0x170
[ 520.918069][T11152] ? __pfx_do_new_mount+0x10/0x10
[ 520.918089][T11152] ? ns_capable+0x89/0xe0
[ 520.918120][T11152] ? user_path_at+0xd4/0x160
[ 520.918138][T11152] __se_sys_mount+0x31d/0x420
[ 520.918164][T11152] ? __pfx___se_sys_mount+0x10/0x10
[ 520.918190][T11152] ? __x64_sys_mount+0x20/0xc0
[ 520.918209][T11152] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 520.918227][T11152] do_syscall_64+0x15f/0xf80
[ 520.918247][T11152] ? trace_irq_disable+0x3b/0x140
[ 520.918265][T11152] ? clear_bhb_loop+0x40/0x90
[ 520.918285][T11152] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 520.918301][T11152] RIP: 0033:0x7f17b109cf5a
[ 520.918318][T11152] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
executing program
executing program
[ 520.918331][T11152] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 520.918350][T11152] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 520.918362][T11152] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 520.918372][T11152] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 520.918384][T11152] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 520.918394][T11152] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
executing program
[ 520.918421][T11152]
[ 520.918443][T11152] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 521.707493][T11152] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 522.142659][T11175] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 522.225029][T11175] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 522.366555][T11169] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 522.437195][T11169] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 522.900477][T11176] set_capacity_and_notify: 2 callbacks suppressed
[ 522.900495][T11176] loop1: detected capacity change from 0 to 32768
[ 522.978543][T11176] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 522.995927][T11177] loop4: detected capacity change from 0 to 32768
[ 523.022753][T11176] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 523.039283][T11177] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 523.092317][T11177] CPU: 0 UID: 0 PID: 11177 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 523.092342][T11177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 523.092353][T11177] Call Trace:
[ 523.092361][T11177]
[ 523.092369][T11177] dump_stack_lvl+0xe8/0x150
[ 523.092399][T11177] sysfs_create_dir_ns+0x271/0x2a0
[ 523.092425][T11177] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 523.092449][T11177] ? do_raw_spin_unlock+0xf5/0x210
[ 523.092472][T11177] kobject_add_internal+0x62b/0xd00
[ 523.092504][T11177] kobject_init_and_add+0x12b/0x1a0
[ 523.092532][T11177] ? __pfx_kobject_init_and_add+0x10/0x10
[ 523.092555][T11177] ? __raw_spin_lock_init+0x45/0x100
[ 523.092574][T11177] ? __init_swait_queue_head+0xa9/0x150
[ 523.092595][T11177] gfs2_sys_fs_add+0x257/0x480
[ 523.092615][T11177] ? is_dynamic_key+0x1ac/0x1c0
[ 523.092638][T11177] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 523.092665][T11177] ? __pfx_alloc_workqueue_noprof+0x10/0x10
executing program
[ 523.092696][T11177] gfs2_fill_super+0x13a7/0x21d0
[ 523.092727][T11177] ? __pfx_gfs2_fill_super+0x10/0x10
[ 523.092747][T11177] ? sb_set_blocksize+0x155/0x240
[ 523.092772][T11177] ? setup_bdev_super+0x4c1/0x5b0
[ 523.092792][T11177] get_tree_bdev_flags+0x431/0x4f0
[ 523.092818][T11177] ? __pfx_gfs2_fill_super+0x10/0x10
[ 523.092833][T11177] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 523.092850][T11177] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 523.092874][T11177] gfs2_get_tree+0x51/0x1e0
[ 523.092890][T11177] vfs_get_tree+0x92/0x2a0
[ 523.092913][T11177] do_new_mount+0x341/0xd30
[ 523.092932][T11177] ? apparmor_capable+0x126/0x170
[ 523.092953][T11177] ? __pfx_do_new_mount+0x10/0x10
[ 523.092974][T11177] ? ns_capable+0x89/0xe0
[ 523.093005][T11177] ? user_path_at+0xd4/0x160
[ 523.093023][T11177] __se_sys_mount+0x31d/0x420
[ 523.093049][T11177] ? __pfx___se_sys_mount+0x10/0x10
[ 523.093075][T11177] ? __x64_sys_mount+0x20/0xc0
[ 523.093094][T11177] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 523.093112][T11177] do_syscall_64+0x15f/0xf80
[ 523.093131][T11177] ? trace_irq_disable+0x3b/0x140
[ 523.093147][T11177] ? clear_bhb_loop+0x40/0x90
[ 523.093163][T11177] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 523.093176][T11177] RIP: 0033:0x7f17b109cf5a
[ 523.093197][T11177] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 523.093209][T11177] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 523.093226][T11177] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 523.093238][T11177] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 523.093249][T11177] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 523.093259][T11177] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 523.093269][T11177] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 523.093296][T11177]
executing program
[ 523.099620][T11177] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 523.402383][T11177] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 523.835204][T11191] loop0: detected capacity change from 0 to 32768
[ 523.900745][T11191] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 523.936845][T11191] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 523.992271][T11193] loop3: detected capacity change from 0 to 32768
[ 524.045573][T11193] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 524.080289][T11198] loop2: detected capacity change from 0 to 32768
[ 524.097153][T11193] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 524.156273][T11198] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 524.173242][T11198] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 524.570295][T11207] loop1: detected capacity change from 0 to 32768
[ 524.628047][T11207] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 524.675829][T11207] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 525.125016][T11210] loop4: detected capacity change from 0 to 32768
[ 525.180493][T11210] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 525.189680][T11210] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 525.384389][T11218] loop0: detected capacity change from 0 to 32768
[ 525.428525][T11218] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 525.472908][T11218] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 525.707933][T11224] loop3: detected capacity change from 0 to 32768
[ 525.730841][T11226] loop2: detected capacity change from 0 to 32768
[ 525.754606][T11224] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 525.788535][T11226] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 525.816169][T11224] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 525.818096][T11226] CPU: 1 UID: 0 PID: 11226 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 525.818119][T11226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 525.818129][T11226] Call Trace:
[ 525.818136][T11226]
[ 525.818143][T11226] dump_stack_lvl+0xe8/0x150
[ 525.818172][T11226] sysfs_create_dir_ns+0x271/0x2a0
[ 525.818197][T11226] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 525.818221][T11226] ? do_raw_spin_unlock+0xf5/0x210
[ 525.818243][T11226] kobject_add_internal+0x62b/0xd00
[ 525.818271][T11226] kobject_init_and_add+0x12b/0x1a0
[ 525.818298][T11226] ? __pfx_kobject_init_and_add+0x10/0x10
[ 525.818320][T11226] ? __raw_spin_lock_init+0x45/0x100
[ 525.818339][T11226] ? __init_swait_queue_head+0xa9/0x150
[ 525.818360][T11226] gfs2_sys_fs_add+0x257/0x480
[ 525.818379][T11226] ? is_dynamic_key+0x1ac/0x1c0
[ 525.818400][T11226] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 525.818427][T11226] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 525.818457][T11226] gfs2_fill_super+0x13a7/0x21d0
[ 525.818486][T11226] ? __pfx_gfs2_fill_super+0x10/0x10
[ 525.818505][T11226] ? sb_set_blocksize+0x155/0x240
[ 525.818530][T11226] ? setup_bdev_super+0x4c1/0x5b0
[ 525.818550][T11226] get_tree_bdev_flags+0x431/0x4f0
[ 525.818574][T11226] ? __pfx_gfs2_fill_super+0x10/0x10
[ 525.818589][T11226] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 525.818603][T11226] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 525.818629][T11226] gfs2_get_tree+0x51/0x1e0
[ 525.818648][T11226] vfs_get_tree+0x92/0x2a0
[ 525.818666][T11226] do_new_mount+0x341/0xd30
[ 525.818686][T11226] ? apparmor_capable+0x126/0x170
[ 525.818706][T11226] ? __pfx_do_new_mount+0x10/0x10
[ 525.818725][T11226] ? ns_capable+0x89/0xe0
[ 525.818757][T11226] ? user_path_at+0xd4/0x160
[ 525.818774][T11226] __se_sys_mount+0x31d/0x420
[ 525.818807][T11226] ? __pfx___se_sys_mount+0x10/0x10
[ 525.818832][T11226] ? __x64_sys_mount+0x20/0xc0
[ 525.818851][T11226] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 525.818869][T11226] do_syscall_64+0x15f/0xf80
[ 525.818888][T11226] ? trace_irq_disable+0x3b/0x140
[ 525.818906][T11226] ? clear_bhb_loop+0x40/0x90
[ 525.818925][T11226] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 525.818940][T11226] RIP: 0033:0x7f17b109cf5a
[ 525.818956][T11226] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 525.818969][T11226] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 525.818988][T11226] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 525.818999][T11226] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 525.819009][T11226] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 525.819020][T11226] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 525.819031][T11226] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 525.819056][T11226]
[ 525.819079][T11226] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 526.428063][T11230] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 526.429747][T11226] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 526.472974][T11230] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
executing program
[ 526.945220][T11237] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 527.015656][T11237] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 527.231441][T11243] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 527.271175][T11243] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 527.951008][T11258] set_capacity_and_notify: 3 callbacks suppressed
[ 527.951026][T11258] loop3: detected capacity change from 0 to 32768
[ 527.969806][T11256] loop1: detected capacity change from 0 to 32768
[ 528.006167][T11258] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 528.029622][T11256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 528.033378][T11258] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 528.076794][T11256] CPU: 0 UID: 0 PID: 11256 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 528.076818][T11256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 528.076828][T11256] Call Trace:
[ 528.076834][T11256]
[ 528.076841][T11256] dump_stack_lvl+0xe8/0x150
[ 528.076868][T11256] sysfs_create_dir_ns+0x271/0x2a0
[ 528.076892][T11256] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 528.076913][T11256] ? do_raw_spin_unlock+0xf5/0x210
[ 528.076934][T11256] kobject_add_internal+0x62b/0xd00
[ 528.076962][T11256] kobject_init_and_add+0x12b/0x1a0
[ 528.076987][T11256] ? __pfx_kobject_init_and_add+0x10/0x10
[ 528.077017][T11256] ? __raw_spin_lock_init+0x45/0x100
[ 528.077035][T11256] ? __init_swait_queue_head+0xa9/0x150
[ 528.077054][T11256] gfs2_sys_fs_add+0x257/0x480
[ 528.077072][T11256] ? is_dynamic_key+0x1ac/0x1c0
[ 528.077091][T11256] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 528.077116][T11256] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 528.077144][T11256] gfs2_fill_super+0x13a7/0x21d0
[ 528.077172][T11256] ? __pfx_gfs2_fill_super+0x10/0x10
[ 528.077190][T11256] ? sb_set_blocksize+0x155/0x240
[ 528.077213][T11256] ? setup_bdev_super+0x4c1/0x5b0
[ 528.077232][T11256] get_tree_bdev_flags+0x431/0x4f0
[ 528.077247][T11256] ? __pfx_gfs2_fill_super+0x10/0x10
[ 528.077262][T11256] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 528.077275][T11256] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 528.077299][T11256] gfs2_get_tree+0x51/0x1e0
[ 528.077317][T11256] vfs_get_tree+0x92/0x2a0
[ 528.077334][T11256] do_new_mount+0x341/0xd30
[ 528.077351][T11256] ? apparmor_capable+0x126/0x170
[ 528.077371][T11256] ? __pfx_do_new_mount+0x10/0x10
[ 528.077392][T11256] ? ns_capable+0x89/0xe0
[ 528.077421][T11256] ? user_path_at+0xd4/0x160
[ 528.077437][T11256] __se_sys_mount+0x31d/0x420
[ 528.077461][T11256] ? __pfx___se_sys_mount+0x10/0x10
[ 528.077485][T11256] ? __x64_sys_mount+0x20/0xc0
[ 528.077502][T11256] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 528.077518][T11256] do_syscall_64+0x15f/0xf80
executing program
[ 528.077536][T11256] ? trace_irq_disable+0x3b/0x140
[ 528.077554][T11256] ? clear_bhb_loop+0x40/0x90
[ 528.077572][T11256] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 528.077586][T11256] RIP: 0033:0x7f17b109cf5a
[ 528.077601][T11256] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 528.077613][T11256] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 528.077630][T11256] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 528.077641][T11256] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 528.077651][T11256] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 528.077661][T11256] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 528.077671][T11256] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 528.077695][T11256]
[ 528.077735][T11256] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 528.401259][T11262] loop2: detected capacity change from 0 to 32768
[ 528.538475][T11273] loop0: detected capacity change from 0 to 32768
[ 528.557281][T11256] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 528.582155][T11262] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 528.603724][T11273] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 528.641411][T11262] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 528.653038][T11273] CPU: 0 UID: 0 PID: 11273 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 528.653062][T11273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 528.653072][T11273] Call Trace:
[ 528.653079][T11273]
[ 528.653086][T11273] dump_stack_lvl+0xe8/0x150
[ 528.653113][T11273] sysfs_create_dir_ns+0x271/0x2a0
[ 528.653145][T11273] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 528.653166][T11273] ? do_raw_spin_unlock+0xf5/0x210
[ 528.653188][T11273] kobject_add_internal+0x62b/0xd00
[ 528.653222][T11273] kobject_init_and_add+0x12b/0x1a0
[ 528.653247][T11273] ? __pfx_kobject_init_and_add+0x10/0x10
[ 528.653269][T11273] ? __raw_spin_lock_init+0x45/0x100
[ 528.653287][T11273] ? __init_swait_queue_head+0xa9/0x150
[ 528.653307][T11273] gfs2_sys_fs_add+0x257/0x480
[ 528.653325][T11273] ? is_dynamic_key+0x1ac/0x1c0
[ 528.653346][T11273] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 528.653372][T11273] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 528.653400][T11273] gfs2_fill_super+0x13a7/0x21d0
[ 528.653429][T11273] ? __pfx_gfs2_fill_super+0x10/0x10
[ 528.653447][T11273] ? sb_set_blocksize+0x155/0x240
[ 528.653470][T11273] ? setup_bdev_super+0x4c1/0x5b0
[ 528.653489][T11273] get_tree_bdev_flags+0x431/0x4f0
[ 528.653506][T11273] ? __pfx_gfs2_fill_super+0x10/0x10
[ 528.653520][T11273] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 528.653534][T11273] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 528.653559][T11273] gfs2_get_tree+0x51/0x1e0
[ 528.653576][T11273] vfs_get_tree+0x92/0x2a0
[ 528.653594][T11273] do_new_mount+0x341/0xd30
[ 528.653611][T11273] ? apparmor_capable+0x126/0x170
[ 528.653631][T11273] ? __pfx_do_new_mount+0x10/0x10
[ 528.653649][T11273] ? ns_capable+0x89/0xe0
[ 528.653679][T11273] ? user_path_at+0xd4/0x160
[ 528.653695][T11273] __se_sys_mount+0x31d/0x420
[ 528.653719][T11273] ? __pfx___se_sys_mount+0x10/0x10
[ 528.653743][T11273] ? __x64_sys_mount+0x20/0xc0
[ 528.653761][T11273] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 528.653777][T11273] do_syscall_64+0x15f/0xf80
[ 528.653796][T11273] ? trace_irq_disable+0x3b/0x140
[ 528.653814][T11273] ? clear_bhb_loop+0x40/0x90
[ 528.653832][T11273] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 528.653847][T11273] RIP: 0033:0x7f17b109cf5a
[ 528.653863][T11273] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 528.653876][T11273] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 528.653894][T11273] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 528.653905][T11273] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 528.653915][T11273] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 528.653925][T11273] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 528.653935][T11273] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 528.653960][T11273]
executing program
[ 528.653986][T11273] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 528.689536][T11267] loop4: detected capacity change from 0 to 32768
[ 528.956314][T11273] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 529.016853][T11267] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 529.050054][T11267] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
executing program
[ 529.999982][T11282] loop3: detected capacity change from 0 to 32768
[ 530.034286][T11282] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 530.069605][T11282] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 530.260924][T11290] loop2: detected capacity change from 0 to 32768
[ 530.296768][T11290] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 530.347996][T11290] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 530.561535][T11293] loop4: detected capacity change from 0 to 32768
executing program
[ 530.615549][T11293] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 530.642741][T11293] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 530.654147][T11296] loop1: detected capacity change from 0 to 32768
executing program
[ 530.723637][T11296] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 530.742793][T11296] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 530.759750][T11298] loop0: detected capacity change from 0 to 32768
[ 530.865423][T11298] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 530.922762][T11298] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 531.828623][T11308] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 531.864590][T11308] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 532.073848][T11312] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 532.119418][T11312] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 532.280523][T11316] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 532.300637][T11319] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 532.312472][T11316] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 532.380539][T11319] CPU: 1 UID: 0 PID: 11319 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 532.380565][T11319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 532.380575][T11319] Call Trace:
[ 532.380582][T11319]
[ 532.380590][T11319] dump_stack_lvl+0xe8/0x150
[ 532.380619][T11319] sysfs_create_dir_ns+0x271/0x2a0
[ 532.380645][T11319] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 532.380669][T11319] ? do_raw_spin_unlock+0xf5/0x210
[ 532.380692][T11319] kobject_add_internal+0x62b/0xd00
[ 532.380723][T11319] kobject_init_and_add+0x12b/0x1a0
[ 532.380750][T11319] ? __pfx_kobject_init_and_add+0x10/0x10
[ 532.380774][T11319] ? __raw_spin_lock_init+0x45/0x100
[ 532.380794][T11319] ? __init_swait_queue_head+0xa9/0x150
[ 532.380821][T11319] gfs2_sys_fs_add+0x257/0x480
[ 532.380841][T11319] ? is_dynamic_key+0x1ac/0x1c0
[ 532.380863][T11319] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 532.380894][T11319] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 532.380926][T11319] gfs2_fill_super+0x13a7/0x21d0
[ 532.380957][T11319] ? __pfx_gfs2_fill_super+0x10/0x10
[ 532.380978][T11319] ? sb_set_blocksize+0x155/0x240
[ 532.381003][T11319] ? setup_bdev_super+0x4c1/0x5b0
[ 532.381024][T11319] get_tree_bdev_flags+0x431/0x4f0
[ 532.381042][T11319] ? __pfx_gfs2_fill_super+0x10/0x10
[ 532.381058][T11319] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 532.381073][T11319] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 532.381100][T11319] gfs2_get_tree+0x51/0x1e0
[ 532.381120][T11319] vfs_get_tree+0x92/0x2a0
[ 532.381140][T11319] do_new_mount+0x341/0xd30
[ 532.381159][T11319] ? apparmor_capable+0x126/0x170
[ 532.381182][T11319] ? __pfx_do_new_mount+0x10/0x10
[ 532.381202][T11319] ? ns_capable+0x89/0xe0
[ 532.381233][T11319] ? user_path_at+0xd4/0x160
[ 532.381251][T11319] __se_sys_mount+0x31d/0x420
[ 532.381277][T11319] ? __pfx___se_sys_mount+0x10/0x10
[ 532.381303][T11319] ? __x64_sys_mount+0x20/0xc0
[ 532.381324][T11319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 532.381342][T11319] do_syscall_64+0x15f/0xf80
[ 532.381362][T11319] ? trace_irq_disable+0x3b/0x140
[ 532.381381][T11319] ? clear_bhb_loop+0x40/0x90
[ 532.381402][T11319] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 532.381417][T11319] RIP: 0033:0x7f17b109cf5a
[ 532.381434][T11319] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 532.381447][T11319] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 532.381464][T11319] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 532.381476][T11319] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 532.381487][T11319] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 532.381498][T11319] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 532.381509][T11319] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 532.381536][T11319]
[ 532.832504][T11319] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 532.916416][T11319] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 532.974255][T11324] set_capacity_and_notify: 4 callbacks suppressed
[ 532.974291][T11324] loop0: detected capacity change from 0 to 32768
executing program
[ 533.178976][T11324] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 533.236496][T11335] loop3: detected capacity change from 0 to 32768
[ 533.250953][T11324] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 533.311897][T11335] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 533.343056][T11335] CPU: 1 UID: 0 PID: 11335 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 533.343081][T11335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 533.343091][T11335] Call Trace:
[ 533.343098][T11335]
[ 533.343106][T11335] dump_stack_lvl+0xe8/0x150
[ 533.343134][T11335] sysfs_create_dir_ns+0x271/0x2a0
[ 533.343160][T11335] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 533.343184][T11335] ? do_raw_spin_unlock+0xf5/0x210
[ 533.343206][T11335] kobject_add_internal+0x62b/0xd00
[ 533.343238][T11335] kobject_init_and_add+0x12b/0x1a0
[ 533.343265][T11335] ? __pfx_kobject_init_and_add+0x10/0x10
[ 533.343288][T11335] ? __raw_spin_lock_init+0x45/0x100
[ 533.343308][T11335] ? __init_swait_queue_head+0xa9/0x150
[ 533.343330][T11335] gfs2_sys_fs_add+0x257/0x480
[ 533.343349][T11335] ? is_dynamic_key+0x1ac/0x1c0
[ 533.343371][T11335] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 533.343399][T11335] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 533.343430][T11335] gfs2_fill_super+0x13a7/0x21d0
[ 533.343462][T11335] ? __pfx_gfs2_fill_super+0x10/0x10
[ 533.343483][T11335] ? sb_set_blocksize+0x155/0x240
[ 533.343507][T11335] ? setup_bdev_super+0x4c1/0x5b0
[ 533.343527][T11335] get_tree_bdev_flags+0x431/0x4f0
[ 533.343546][T11335] ? __pfx_gfs2_fill_super+0x10/0x10
[ 533.343562][T11335] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 533.343577][T11335] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 533.343604][T11335] gfs2_get_tree+0x51/0x1e0
[ 533.343630][T11335] vfs_get_tree+0x92/0x2a0
[ 533.343651][T11335] do_new_mount+0x341/0xd30
[ 533.343670][T11335] ? apparmor_capable+0x126/0x170
[ 533.343692][T11335] ? __pfx_do_new_mount+0x10/0x10
[ 533.343711][T11335] ? ns_capable+0x89/0xe0
executing program
[ 533.343740][T11335] ? user_path_at+0xd4/0x160
[ 533.343756][T11335] __se_sys_mount+0x31d/0x420
[ 533.343782][T11335] ? __pfx___se_sys_mount+0x10/0x10
[ 533.343805][T11335] ? __x64_sys_mount+0x20/0xc0
[ 533.343824][T11335] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 533.343841][T11335] do_syscall_64+0x15f/0xf80
[ 533.343860][T11335] ? trace_irq_disable+0x3b/0x140
[ 533.343879][T11335] ? clear_bhb_loop+0x40/0x90
[ 533.343898][T11335] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 533.343911][T11335] RIP: 0033:0x7f17b109cf5a
[ 533.343927][T11335] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 533.343940][T11335] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 533.343958][T11335] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 533.343971][T11335] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 533.343982][T11335] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 533.343994][T11335] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 533.344005][T11335] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 533.344030][T11335]
[ 533.344052][T11335] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 533.842400][T11335] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 534.448029][T11340] loop2: detected capacity change from 0 to 32768
[ 534.490608][T11340] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 534.535004][T11348] loop1: detected capacity change from 0 to 32768
[ 534.536861][T11340] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 534.579655][T11348] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 534.647607][T11348] CPU: 0 UID: 0 PID: 11348 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 534.647631][T11348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 534.647642][T11348] Call Trace:
[ 534.647650][T11348]
[ 534.647658][T11348] dump_stack_lvl+0xe8/0x150
[ 534.647686][T11348] sysfs_create_dir_ns+0x271/0x2a0
[ 534.647712][T11348] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 534.647736][T11348] ? do_raw_spin_unlock+0xf5/0x210
[ 534.647759][T11348] kobject_add_internal+0x62b/0xd00
[ 534.647790][T11348] kobject_init_and_add+0x12b/0x1a0
[ 534.647818][T11348] ? __pfx_kobject_init_and_add+0x10/0x10
[ 534.647842][T11348] ? __raw_spin_lock_init+0x45/0x100
[ 534.647862][T11348] ? __init_swait_queue_head+0xa9/0x150
[ 534.647882][T11348] gfs2_sys_fs_add+0x257/0x480
[ 534.647901][T11348] ? is_dynamic_key+0x1ac/0x1c0
[ 534.647921][T11348] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 534.647949][T11348] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 534.647983][T11348] gfs2_fill_super+0x13a7/0x21d0
[ 534.648015][T11348] ? __pfx_gfs2_fill_super+0x10/0x10
[ 534.648036][T11348] ? sb_set_blocksize+0x155/0x240
[ 534.648060][T11348] ? setup_bdev_super+0x4c1/0x5b0
[ 534.648081][T11348] get_tree_bdev_flags+0x431/0x4f0
[ 534.648100][T11348] ? __pfx_gfs2_fill_super+0x10/0x10
[ 534.648116][T11348] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 534.648131][T11348] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 534.648158][T11348] gfs2_get_tree+0x51/0x1e0
[ 534.648177][T11348] vfs_get_tree+0x92/0x2a0
[ 534.648197][T11348] do_new_mount+0x341/0xd30
[ 534.648216][T11348] ? apparmor_capable+0x126/0x170
[ 534.648237][T11348] ? __pfx_do_new_mount+0x10/0x10
[ 534.648264][T11348] ? ns_capable+0x89/0xe0
[ 534.648295][T11348] ? user_path_at+0xd4/0x160
[ 534.648313][T11348] __se_sys_mount+0x31d/0x420
[ 534.648339][T11348] ? __pfx___se_sys_mount+0x10/0x10
[ 534.648365][T11348] ? __x64_sys_mount+0x20/0xc0
[ 534.648385][T11348] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 534.648402][T11348] do_syscall_64+0x15f/0xf80
[ 534.648422][T11348] ? trace_irq_disable+0x3b/0x140
[ 534.648442][T11348] ? clear_bhb_loop+0x40/0x90
[ 534.648462][T11348] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 534.648478][T11348] RIP: 0033:0x7f17b109cf5a
[ 534.648495][T11348] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 534.648508][T11348] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 534.648526][T11348] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 534.648538][T11348] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 534.648550][T11348] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 534.648561][T11348] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 534.648572][T11348] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 534.648599][T11348]
[ 534.937000][T11348] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 534.951259][T11348] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 535.203226][T11362] loop3: detected capacity change from 0 to 32768
[ 535.221162][T11362] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 535.229427][T11362] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 535.338133][T11354] loop4: detected capacity change from 0 to 32768
[ 535.342861][T11357] loop0: detected capacity change from 0 to 32768
[ 535.387912][T11357] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 535.408789][T11357] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 535.420304][T11354] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 535.479448][T11354] CPU: 1 UID: 0 PID: 11354 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 535.479473][T11354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 535.479483][T11354] Call Trace:
[ 535.479491][T11354]
[ 535.479499][T11354] dump_stack_lvl+0xe8/0x150
[ 535.479528][T11354] sysfs_create_dir_ns+0x271/0x2a0
[ 535.479553][T11354] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 535.479576][T11354] ? do_raw_spin_unlock+0xf5/0x210
[ 535.479600][T11354] kobject_add_internal+0x62b/0xd00
[ 535.479631][T11354] kobject_init_and_add+0x12b/0x1a0
[ 535.479658][T11354] ? __pfx_kobject_init_and_add+0x10/0x10
[ 535.479682][T11354] ? __raw_spin_lock_init+0x45/0x100
[ 535.479701][T11354] ? __init_swait_queue_head+0xa9/0x150
[ 535.479724][T11354] gfs2_sys_fs_add+0x257/0x480
[ 535.479743][T11354] ? is_dynamic_key+0x1ac/0x1c0
[ 535.479765][T11354] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 535.479788][T11354] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 535.479817][T11354] gfs2_fill_super+0x13a7/0x21d0
[ 535.479843][T11354] ? __pfx_gfs2_fill_super+0x10/0x10
[ 535.479861][T11354] ? sb_set_blocksize+0x155/0x240
[ 535.479885][T11354] ? setup_bdev_super+0x4c1/0x5b0
[ 535.479904][T11354] get_tree_bdev_flags+0x431/0x4f0
[ 535.479922][T11354] ? __pfx_gfs2_fill_super+0x10/0x10
[ 535.479938][T11354] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 535.479955][T11354] ? __pfx_gfs2_get_tree+0x10/0x10
[ 535.479971][T11354] ? get_tree_bdev+0x12/0x30
[ 535.479987][T11354] ? __pfx_gfs2_fill_super+0x10/0x10
[ 535.480006][T11354] gfs2_get_tree+0x51/0x1e0
[ 535.480025][T11354] vfs_get_tree+0x92/0x2a0
[ 535.480044][T11354] do_new_mount+0x341/0xd30
[ 535.480064][T11354] ? apparmor_capable+0x126/0x170
[ 535.480083][T11354] ? __pfx_do_new_mount+0x10/0x10
[ 535.480102][T11354] ? ns_capable+0x89/0xe0
[ 535.480133][T11354] ? user_path_at+0xd4/0x160
[ 535.480149][T11354] __se_sys_mount+0x31d/0x420
[ 535.480174][T11354] ? __pfx___se_sys_mount+0x10/0x10
[ 535.480197][T11354] ? __x64_sys_mount+0x20/0xc0
[ 535.480216][T11354] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 535.480241][T11354] do_syscall_64+0x15f/0xf80
[ 535.480260][T11354] ? trace_irq_disable+0x3b/0x140
[ 535.480276][T11354] ? clear_bhb_loop+0x40/0x90
[ 535.480295][T11354] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 535.480310][T11354] RIP: 0033:0x7f17b109cf5a
[ 535.480326][T11354] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 535.480338][T11354] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 535.480356][T11354] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 535.480368][T11354] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 535.480378][T11354] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 535.480389][T11354] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 535.480400][T11354] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 535.480426][T11354]
executing program
[ 535.480450][T11354] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 536.058348][T11354] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 536.710952][T11372] loop1: detected capacity change from 0 to 32768
[ 536.724369][T11375] loop3: detected capacity change from 0 to 32768
[ 536.754714][T11372] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 536.771554][T11372] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 536.796297][T11375] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 536.824747][T11375] CPU: 1 UID: 0 PID: 11375 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 536.824771][T11375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 536.824781][T11375] Call Trace:
[ 536.824788][T11375]
[ 536.824795][T11375] dump_stack_lvl+0xe8/0x150
[ 536.824823][T11375] sysfs_create_dir_ns+0x271/0x2a0
[ 536.824847][T11375] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 536.824869][T11375] ? do_raw_spin_unlock+0xf5/0x210
[ 536.824892][T11375] kobject_add_internal+0x62b/0xd00
[ 536.824922][T11375] kobject_init_and_add+0x12b/0x1a0
[ 536.824950][T11375] ? __pfx_kobject_init_and_add+0x10/0x10
[ 536.824974][T11375] ? __raw_spin_lock_init+0x45/0x100
[ 536.824997][T11375] ? __init_swait_queue_head+0xa9/0x150
[ 536.825018][T11375] gfs2_sys_fs_add+0x257/0x480
[ 536.825038][T11375] ? is_dynamic_key+0x1ac/0x1c0
[ 536.825059][T11375] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 536.825087][T11375] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 536.825117][T11375] gfs2_fill_super+0x13a7/0x21d0
[ 536.825149][T11375] ? __pfx_gfs2_fill_super+0x10/0x10
[ 536.825170][T11375] ? sb_set_blocksize+0x155/0x240
[ 536.825195][T11375] ? setup_bdev_super+0x4c1/0x5b0
executing program
[ 536.825215][T11375] get_tree_bdev_flags+0x431/0x4f0
[ 536.825234][T11375] ? __pfx_gfs2_fill_super+0x10/0x10
[ 536.825249][T11375] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 536.825265][T11375] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 536.825299][T11375] gfs2_get_tree+0x51/0x1e0
[ 536.825316][T11375] vfs_get_tree+0x92/0x2a0
[ 536.825336][T11375] do_new_mount+0x341/0xd30
[ 536.825355][T11375] ? apparmor_capable+0x126/0x170
[ 536.825377][T11375] ? __pfx_do_new_mount+0x10/0x10
[ 536.825397][T11375] ? ns_capable+0x89/0xe0
[ 536.825425][T11375] ? user_path_at+0xd4/0x160
[ 536.825444][T11375] __se_sys_mount+0x31d/0x420
[ 536.825470][T11375] ? __pfx___se_sys_mount+0x10/0x10
[ 536.825496][T11375] ? __x64_sys_mount+0x20/0xc0
[ 536.825515][T11375] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 536.825533][T11375] do_syscall_64+0x15f/0xf80
[ 536.825553][T11375] ? trace_irq_disable+0x3b/0x140
[ 536.825573][T11375] ? clear_bhb_loop+0x40/0x90
[ 536.825593][T11375] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 536.825609][T11375] RIP: 0033:0x7f17b109cf5a
[ 536.825626][T11375] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 536.825640][T11375] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 536.825657][T11375] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 536.825670][T11375] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 536.825681][T11375] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 536.825692][T11375] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 536.825701][T11375] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 536.825724][T11375]
[ 536.825765][T11375] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 537.251453][T11382] loop2: detected capacity change from 0 to 32768
[ 537.336023][T11382] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 537.393302][T11382] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 537.454238][T11390] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 537.487378][T11390] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 537.526913][T11375] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[ 537.760844][T11384] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 537.793114][T11384] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 538.467901][T11400] set_capacity_and_notify: 2 callbacks suppressed
[ 538.467918][T11400] loop1: detected capacity change from 0 to 32768
executing program
[ 538.535635][T11400] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 538.570142][T11400] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 539.089199][T11408] loop2: detected capacity change from 0 to 32768
[ 539.120699][T11411] loop3: detected capacity change from 0 to 32768
[ 539.137406][T11408] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 539.139275][T11410] loop4: detected capacity change from 0 to 32768
[ 539.169709][T11411] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 539.180668][T11408] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 539.200688][T11410] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 539.214926][T11411] CPU: 1 UID: 0 PID: 11411 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 539.214950][T11411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 539.214962][T11411] Call Trace:
[ 539.214969][T11411]
[ 539.214977][T11411] dump_stack_lvl+0xe8/0x150
[ 539.215005][T11411] sysfs_create_dir_ns+0x271/0x2a0
[ 539.215032][T11411] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 539.215062][T11411] ? do_raw_spin_unlock+0xf5/0x210
[ 539.215086][T11411] kobject_add_internal+0x62b/0xd00
[ 539.215118][T11411] kobject_init_and_add+0x12b/0x1a0
[ 539.215145][T11411] ? __pfx_kobject_init_and_add+0x10/0x10
[ 539.215169][T11411] ? __raw_spin_lock_init+0x45/0x100
[ 539.215189][T11411] ? __init_swait_queue_head+0xa9/0x150
[ 539.215211][T11411] gfs2_sys_fs_add+0x257/0x480
[ 539.215231][T11411] ? is_dynamic_key+0x1ac/0x1c0
[ 539.215253][T11411] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 539.215280][T11411] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 539.215312][T11411] gfs2_fill_super+0x13a7/0x21d0
[ 539.215344][T11411] ? __pfx_gfs2_fill_super+0x10/0x10
[ 539.215365][T11411] ? sb_set_blocksize+0x155/0x240
[ 539.215391][T11411] ? setup_bdev_super+0x4c1/0x5b0
[ 539.215413][T11411] get_tree_bdev_flags+0x431/0x4f0
[ 539.215432][T11411] ? __pfx_gfs2_fill_super+0x10/0x10
[ 539.215448][T11411] ? __pfx_get_tree_bdev_flags+0x10/0x10
executing program
[ 539.215464][T11411] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 539.215491][T11411] gfs2_get_tree+0x51/0x1e0
[ 539.215510][T11411] vfs_get_tree+0x92/0x2a0
[ 539.215530][T11411] do_new_mount+0x341/0xd30
[ 539.215551][T11411] ? apparmor_capable+0x126/0x170
[ 539.215572][T11411] ? __pfx_do_new_mount+0x10/0x10
[ 539.215592][T11411] ? ns_capable+0x89/0xe0
[ 539.215624][T11411] ? user_path_at+0xd4/0x160
[ 539.215643][T11411] __se_sys_mount+0x31d/0x420
[ 539.215669][T11411] ? __pfx___se_sys_mount+0x10/0x10
[ 539.215696][T11411] ? __x64_sys_mount+0x20/0xc0
[ 539.215716][T11411] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 539.215734][T11411] do_syscall_64+0x15f/0xf80
[ 539.215755][T11411] ? trace_irq_disable+0x3b/0x140
[ 539.215774][T11411] ? clear_bhb_loop+0x40/0x90
[ 539.215794][T11411] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 539.215810][T11411] RIP: 0033:0x7f17b109cf5a
[ 539.215827][T11411] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 539.215839][T11411] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 539.215857][T11411] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 539.215869][T11411] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 539.215880][T11411] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 539.215892][T11411] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 539.215902][T11411] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 539.215929][T11411]
[ 539.215953][T11411] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 539.281039][T11414] loop0: detected capacity change from 0 to 32768
[ 539.285467][T11411] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 539.307513][T11410] CPU: 0 UID: 0 PID: 11410 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 539.307535][T11410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 539.307545][T11410] Call Trace:
[ 539.307552][T11410]
[ 539.307559][T11410] dump_stack_lvl+0xe8/0x150
[ 539.307587][T11410] sysfs_create_dir_ns+0x271/0x2a0
[ 539.307612][T11410] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 539.307635][T11410] ? do_raw_spin_unlock+0xf5/0x210
[ 539.307658][T11410] kobject_add_internal+0x62b/0xd00
[ 539.307688][T11410] kobject_init_and_add+0x12b/0x1a0
[ 539.307715][T11410] ? __pfx_kobject_init_and_add+0x10/0x10
executing program
[ 539.307737][T11410] ? __raw_spin_lock_init+0x45/0x100
[ 539.307755][T11410] ? __init_swait_queue_head+0xa9/0x150
[ 539.307783][T11410] gfs2_sys_fs_add+0x257/0x480
[ 539.307803][T11410] ? is_dynamic_key+0x1ac/0x1c0
[ 539.307824][T11410] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 539.307849][T11410] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 539.307879][T11410] gfs2_fill_super+0x13a7/0x21d0
[ 539.307909][T11410] ? __pfx_gfs2_fill_super+0x10/0x10
[ 539.307928][T11410] ? sb_set_blocksize+0x155/0x240
[ 539.307952][T11410] ? setup_bdev_super+0x4c1/0x5b0
[ 539.307972][T11410] get_tree_bdev_flags+0x431/0x4f0
[ 539.307990][T11410] ? __pfx_gfs2_fill_super+0x10/0x10
[ 539.308008][T11410] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 539.308022][T11410] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 539.308048][T11410] gfs2_get_tree+0x51/0x1e0
[ 539.308067][T11410] vfs_get_tree+0x92/0x2a0
[ 539.308085][T11410] do_new_mount+0x341/0xd30
[ 539.308105][T11410] ? apparmor_capable+0x126/0x170
[ 539.308125][T11410] ? __pfx_do_new_mount+0x10/0x10
[ 539.308144][T11410] ? ns_capable+0x89/0xe0
[ 539.308174][T11410] ? user_path_at+0xd4/0x160
[ 539.308191][T11410] __se_sys_mount+0x31d/0x420
[ 539.308216][T11410] ? __pfx___se_sys_mount+0x10/0x10
[ 539.308241][T11410] ? __x64_sys_mount+0x20/0xc0
[ 539.308260][T11410] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 539.308277][T11410] do_syscall_64+0x15f/0xf80
[ 539.308296][T11410] ? trace_irq_disable+0x3b/0x140
[ 539.308314][T11410] ? clear_bhb_loop+0x40/0x90
[ 539.308332][T11410] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 539.308347][T11410] RIP: 0033:0x7f17b109cf5a
[ 539.308363][T11410] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 539.308375][T11410] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 539.308393][T11410] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 539.308405][T11410] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 539.308416][T11410] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 539.308427][T11410] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 539.308437][T11410] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 539.308461][T11410]
[ 539.321070][T11410] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 539.539226][T11414] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 539.977467][T11423] loop1: detected capacity change from 0 to 32768
[ 540.072148][T11423] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 540.081446][T11423] CPU: 1 UID: 0 PID: 11423 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 540.081472][T11423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 540.081482][T11423] Call Trace:
[ 540.081489][T11423]
[ 540.081496][T11423] dump_stack_lvl+0xe8/0x150
[ 540.081526][T11423] sysfs_create_dir_ns+0x271/0x2a0
[ 540.081552][T11423] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 540.081575][T11423] ? do_raw_spin_unlock+0xf5/0x210
[ 540.081599][T11423] kobject_add_internal+0x62b/0xd00
[ 540.081632][T11423] kobject_init_and_add+0x12b/0x1a0
[ 540.081657][T11423] ? __pfx_kobject_init_and_add+0x10/0x10
[ 540.081678][T11423] ? __raw_spin_lock_init+0x45/0x100
[ 540.081697][T11423] ? __init_swait_queue_head+0xa9/0x150
[ 540.081724][T11423] gfs2_sys_fs_add+0x257/0x480
[ 540.081744][T11423] ? is_dynamic_key+0x1ac/0x1c0
[ 540.081766][T11423] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 540.081794][T11423] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 540.081825][T11423] gfs2_fill_super+0x13a7/0x21d0
[ 540.081856][T11423] ? __pfx_gfs2_fill_super+0x10/0x10
[ 540.081876][T11423] ? sb_set_blocksize+0x155/0x240
[ 540.081902][T11423] ? setup_bdev_super+0x4c1/0x5b0
[ 540.081923][T11423] get_tree_bdev_flags+0x431/0x4f0
[ 540.081941][T11423] ? __pfx_gfs2_fill_super+0x10/0x10
[ 540.081957][T11423] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 540.081972][T11423] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 540.081999][T11423] gfs2_get_tree+0x51/0x1e0
[ 540.082018][T11423] vfs_get_tree+0x92/0x2a0
[ 540.082038][T11423] do_new_mount+0x341/0xd30
[ 540.082058][T11423] ? apparmor_capable+0x126/0x170
[ 540.082079][T11423] ? __pfx_do_new_mount+0x10/0x10
[ 540.082099][T11423] ? ns_capable+0x89/0xe0
[ 540.082131][T11423] ? user_path_at+0xd4/0x160
[ 540.082149][T11423] __se_sys_mount+0x31d/0x420
[ 540.082175][T11423] ? __pfx___se_sys_mount+0x10/0x10
[ 540.082201][T11423] ? __x64_sys_mount+0x20/0xc0
[ 540.082221][T11423] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 540.082239][T11423] do_syscall_64+0x15f/0xf80
[ 540.082259][T11423] ? trace_irq_disable+0x3b/0x140
[ 540.082278][T11423] ? clear_bhb_loop+0x40/0x90
[ 540.082298][T11423] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 540.082314][T11423] RIP: 0033:0x7f17b109cf5a
[ 540.082331][T11423] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 540.082345][T11423] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 540.082363][T11423] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 540.082375][T11423] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 540.082387][T11423] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 540.082398][T11423] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 540.082408][T11423] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 540.082435][T11423]
[ 540.367904][T11414] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 540.416444][T11410] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 540.614770][T11437] loop3: detected capacity change from 0 to 32768
executing program
[ 540.664296][T11423] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 540.678710][T11423] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 540.698812][T11437] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 540.764996][T11437] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
executing program
[ 541.411569][T11436] loop2: detected capacity change from 0 to 32768
[ 541.460534][T11436] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 541.510774][T11436] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 542.134781][T11447] loop1: detected capacity change from 0 to 32768
[ 542.166931][T11447] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 542.197089][T11447] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 542.245729][T11448] loop3: detected capacity change from 0 to 32768
[ 542.287486][T11448] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 542.320835][T11450] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 542.329150][T11451] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 542.362027][T11448] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 542.363655][T11450] CPU: 0 UID: 0 PID: 11450 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 542.363678][T11450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 542.363697][T11450] Call Trace:
[ 542.363704][T11450]
[ 542.363712][T11450] dump_stack_lvl+0xe8/0x150
[ 542.363740][T11450] sysfs_create_dir_ns+0x271/0x2a0
[ 542.363766][T11450] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 542.363788][T11450] ? do_raw_spin_unlock+0xf5/0x210
[ 542.363811][T11450] kobject_add_internal+0x62b/0xd00
[ 542.363841][T11450] kobject_init_and_add+0x12b/0x1a0
[ 542.363871][T11450] ? __pfx_kobject_init_and_add+0x10/0x10
[ 542.363894][T11450] ? __raw_spin_lock_init+0x45/0x100
[ 542.363913][T11450] ? __init_swait_queue_head+0xa9/0x150
[ 542.363934][T11450] gfs2_sys_fs_add+0x257/0x480
[ 542.363953][T11450] ? is_dynamic_key+0x1ac/0x1c0
[ 542.363975][T11450] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 542.364002][T11450] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 542.364032][T11450] gfs2_fill_super+0x13a7/0x21d0
[ 542.364061][T11450] ? __pfx_gfs2_fill_super+0x10/0x10
[ 542.364080][T11450] ? sb_set_blocksize+0x155/0x240
[ 542.364105][T11450] ? setup_bdev_super+0x4c1/0x5b0
[ 542.364129][T11450] get_tree_bdev_flags+0x431/0x4f0
[ 542.364146][T11450] ? __pfx_gfs2_fill_super+0x10/0x10
[ 542.364162][T11450] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 542.364176][T11450] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 542.364203][T11450] gfs2_get_tree+0x51/0x1e0
[ 542.364221][T11450] vfs_get_tree+0x92/0x2a0
[ 542.364241][T11450] do_new_mount+0x341/0xd30
[ 542.364260][T11450] ? apparmor_capable+0x126/0x170
[ 542.364284][T11450] ? __pfx_do_new_mount+0x10/0x10
[ 542.364304][T11450] ? ns_capable+0x89/0xe0
[ 542.364333][T11450] ? user_path_at+0xd4/0x160
[ 542.364350][T11450] __se_sys_mount+0x31d/0x420
[ 542.364377][T11450] ? __pfx___se_sys_mount+0x10/0x10
[ 542.364403][T11450] ? __x64_sys_mount+0x20/0xc0
[ 542.364422][T11450] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 542.364439][T11450] do_syscall_64+0x15f/0xf80
[ 542.364457][T11450] ? trace_irq_disable+0x3b/0x140
[ 542.364476][T11450] ? clear_bhb_loop+0x40/0x90
[ 542.364495][T11450] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 542.364510][T11450] RIP: 0033:0x7f17b109cf5a
[ 542.364526][T11450] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 542.364540][T11450] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 542.364556][T11450] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 542.364567][T11450] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 542.364578][T11450] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 542.364588][T11450] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 542.364599][T11450] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 542.364624][T11450]
[ 542.364657][T11450] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 542.431755][T11451] CPU: 1 UID: 0 PID: 11451 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 542.431781][T11451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 542.431791][T11451] Call Trace:
[ 542.431799][T11451]
[ 542.431807][T11451] dump_stack_lvl+0xe8/0x150
[ 542.431835][T11451] sysfs_create_dir_ns+0x271/0x2a0
[ 542.431861][T11451] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 542.431884][T11451] ? do_raw_spin_unlock+0xf5/0x210
[ 542.431906][T11451] kobject_add_internal+0x62b/0xd00
[ 542.431937][T11451] kobject_init_and_add+0x12b/0x1a0
[ 542.431963][T11451] ? __pfx_kobject_init_and_add+0x10/0x10
[ 542.431986][T11451] ? __raw_spin_lock_init+0x45/0x100
[ 542.432005][T11451] ? __init_swait_queue_head+0xa9/0x150
[ 542.432026][T11451] gfs2_sys_fs_add+0x257/0x480
[ 542.432045][T11451] ? is_dynamic_key+0x1ac/0x1c0
[ 542.432071][T11451] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 542.432096][T11451] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 542.432124][T11451] gfs2_fill_super+0x13a7/0x21d0
[ 542.432152][T11451] ? __pfx_gfs2_fill_super+0x10/0x10
[ 542.432168][T11451] ? sb_set_blocksize+0x155/0x240
[ 542.432190][T11451] ? setup_bdev_super+0x4c1/0x5b0
[ 542.432210][T11451] get_tree_bdev_flags+0x431/0x4f0
[ 542.432228][T11451] ? __pfx_gfs2_fill_super+0x10/0x10
[ 542.432243][T11451] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 542.432258][T11451] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 542.432284][T11451] gfs2_get_tree+0x51/0x1e0
[ 542.432309][T11451] vfs_get_tree+0x92/0x2a0
[ 542.432328][T11451] do_new_mount+0x341/0xd30
[ 542.432348][T11451] ? apparmor_capable+0x126/0x170
[ 542.432368][T11451] ? __pfx_do_new_mount+0x10/0x10
[ 542.432387][T11451] ? ns_capable+0x89/0xe0
[ 542.432418][T11451] ? user_path_at+0xd4/0x160
[ 542.432435][T11451] __se_sys_mount+0x31d/0x420
[ 542.432468][T11451] ? __pfx___se_sys_mount+0x10/0x10
[ 542.432493][T11451] ? __x64_sys_mount+0x20/0xc0
[ 542.432512][T11451] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 542.432539][T11451] do_syscall_64+0x15f/0xf80
[ 542.432560][T11451] ? trace_irq_disable+0x3b/0x140
[ 542.432578][T11451] ? clear_bhb_loop+0x40/0x90
[ 542.432597][T11451] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 542.432617][T11451] RIP: 0033:0x7f17b109cf5a
[ 542.432637][T11451] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 542.432651][T11451] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 542.432668][T11451] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 542.432680][T11451] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 542.432690][T11451] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 542.432700][T11451] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 542.432711][T11451] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 542.432741][T11451]
[ 542.432848][T11451] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 542.541759][T11450] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 542.661808][T11451] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 543.214020][T11458] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 543.279046][T11458] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 543.833129][T11468] set_capacity_and_notify: 3 callbacks suppressed
[ 543.833145][T11468] loop1: detected capacity change from 0 to 32768
[ 543.927820][T11468] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 543.973278][T11468] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 544.532409][T11477] loop3: detected capacity change from 0 to 32768
[ 544.568839][T11477] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 544.580389][T11477] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 544.622698][T11478] loop0: detected capacity change from 0 to 32768
[ 544.669860][T11478] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 544.681744][T11478] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 544.875138][T11485] loop4: detected capacity change from 0 to 32768
[ 544.916953][T11485] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 544.992545][T11483] loop2: detected capacity change from 0 to 32768
[ 545.002797][T11485] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 545.058738][T11483] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 545.118073][T11483] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 545.749528][T11490] loop1: detected capacity change from 0 to 32768
[ 545.803967][T11490] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 545.849607][T11490] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 546.138109][T11499] loop3: detected capacity change from 0 to 32768
[ 546.183769][T11499] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 546.221727][T11499] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 546.366748][T11503] loop0: detected capacity change from 0 to 32768
[ 546.426984][T11503] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 546.493662][T11503] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 546.568382][T11512] loop2: detected capacity change from 0 to 32768
[ 546.631093][T11512] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 546.702769][T11512] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 546.908292][T11510] loop4: detected capacity change from 0 to 32768
[ 546.959714][T11510] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 547.022718][T11510] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 547.540528][T11527] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 547.580263][T11527] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 547.618480][T11520] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 547.654144][T11520] CPU: 1 UID: 0 PID: 11520 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 547.654169][T11520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 547.654179][T11520] Call Trace:
[ 547.654186][T11520]
[ 547.654194][T11520] dump_stack_lvl+0xe8/0x150
[ 547.654222][T11520] sysfs_create_dir_ns+0x271/0x2a0
[ 547.654248][T11520] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 547.654272][T11520] ? do_raw_spin_unlock+0xf5/0x210
[ 547.654295][T11520] kobject_add_internal+0x62b/0xd00
[ 547.654326][T11520] kobject_init_and_add+0x12b/0x1a0
[ 547.654354][T11520] ? __pfx_kobject_init_and_add+0x10/0x10
[ 547.654377][T11520] ? __raw_spin_lock_init+0x45/0x100
[ 547.654397][T11520] ? __init_swait_queue_head+0xa9/0x150
[ 547.654419][T11520] gfs2_sys_fs_add+0x257/0x480
[ 547.654439][T11520] ? is_dynamic_key+0x1ac/0x1c0
[ 547.654461][T11520] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 547.654489][T11520] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 547.654520][T11520] gfs2_fill_super+0x13a7/0x21d0
[ 547.654552][T11520] ? __pfx_gfs2_fill_super+0x10/0x10
[ 547.654572][T11520] ? sb_set_blocksize+0x155/0x240
[ 547.654597][T11520] ? setup_bdev_super+0x4c1/0x5b0
[ 547.654617][T11520] get_tree_bdev_flags+0x431/0x4f0
[ 547.654635][T11520] ? __pfx_gfs2_fill_super+0x10/0x10
[ 547.654650][T11520] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 547.654666][T11520] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 547.654693][T11520] gfs2_get_tree+0x51/0x1e0
[ 547.654712][T11520] vfs_get_tree+0x92/0x2a0
[ 547.654732][T11520] do_new_mount+0x341/0xd30
[ 547.654751][T11520] ? apparmor_capable+0x126/0x170
[ 547.654772][T11520] ? __pfx_do_new_mount+0x10/0x10
[ 547.654792][T11520] ? ns_capable+0x89/0xe0
[ 547.654821][T11520] ? user_path_at+0xd4/0x160
[ 547.654839][T11520] __se_sys_mount+0x31d/0x420
[ 547.654865][T11520] ? __pfx___se_sys_mount+0x10/0x10
[ 547.654891][T11520] ? __x64_sys_mount+0x20/0xc0
[ 547.654910][T11520] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 547.654929][T11520] do_syscall_64+0x15f/0xf80
[ 547.654949][T11520] ? trace_irq_disable+0x3b/0x140
[ 547.654967][T11520] ? clear_bhb_loop+0x40/0x90
[ 547.654986][T11520] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 547.655003][T11520] RIP: 0033:0x7f17b109cf5a
[ 547.655019][T11520] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 547.655033][T11520] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 547.655050][T11520] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 547.655062][T11520] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 547.655080][T11520] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 547.655091][T11520] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 547.655101][T11520] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 547.655128][T11520]
[ 547.655150][T11520] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 548.244409][T11520] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 548.293821][T11532] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 548.315073][T11532] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 548.477270][T11549] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 548.492293][T11549] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
executing program
[ 548.640325][T11538] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 548.659606][T11538] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 548.830144][T11541] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 548.886739][T11541] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 549.877315][T11552] set_capacity_and_notify: 6 callbacks suppressed
[ 549.877332][T11552] loop0: detected capacity change from 0 to 32768
[ 549.938975][T11552] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 549.940684][T11558] loop2: detected capacity change from 0 to 32768
[ 549.977691][T11552] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 549.978996][T11555] loop3: detected capacity change from 0 to 32768
[ 550.019478][T11558] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 550.047151][T11558] CPU: 1 UID: 0 PID: 11558 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 550.047178][T11558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 550.047188][T11558] Call Trace:
[ 550.047199][T11558]
[ 550.047207][T11558] dump_stack_lvl+0xe8/0x150
[ 550.047236][T11558] sysfs_create_dir_ns+0x271/0x2a0
[ 550.047261][T11558] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 550.047283][T11558] ? do_raw_spin_unlock+0xf5/0x210
[ 550.047308][T11558] kobject_add_internal+0x62b/0xd00
[ 550.047339][T11558] kobject_init_and_add+0x12b/0x1a0
[ 550.047366][T11558] ? __pfx_kobject_init_and_add+0x10/0x10
[ 550.047388][T11558] ? __raw_spin_lock_init+0x45/0x100
[ 550.047408][T11558] ? __init_swait_queue_head+0xa9/0x150
[ 550.047429][T11558] gfs2_sys_fs_add+0x257/0x480
[ 550.047448][T11558] ? is_dynamic_key+0x1ac/0x1c0
[ 550.047470][T11558] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 550.047495][T11558] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 550.047525][T11558] gfs2_fill_super+0x13a7/0x21d0
[ 550.047555][T11558] ? __pfx_gfs2_fill_super+0x10/0x10
[ 550.047574][T11558] ? sb_set_blocksize+0x155/0x240
[ 550.047599][T11558] ? setup_bdev_super+0x4c1/0x5b0
[ 550.047618][T11558] get_tree_bdev_flags+0x431/0x4f0
[ 550.047635][T11558] ? __pfx_gfs2_fill_super+0x10/0x10
[ 550.047651][T11558] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 550.047664][T11558] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 550.047689][T11558] gfs2_get_tree+0x51/0x1e0
[ 550.047709][T11558] vfs_get_tree+0x92/0x2a0
[ 550.047729][T11558] do_new_mount+0x341/0xd30
[ 550.047749][T11558] ? apparmor_capable+0x126/0x170
[ 550.047770][T11558] ? __pfx_do_new_mount+0x10/0x10
[ 550.047790][T11558] ? ns_capable+0x89/0xe0
[ 550.047819][T11558] ? user_path_at+0xd4/0x160
[ 550.047837][T11558] __se_sys_mount+0x31d/0x420
[ 550.047871][T11558] ? __pfx___se_sys_mount+0x10/0x10
[ 550.047896][T11558] ? __x64_sys_mount+0x20/0xc0
[ 550.047915][T11558] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 550.047932][T11558] do_syscall_64+0x15f/0xf80
[ 550.047951][T11558] ? trace_irq_disable+0x3b/0x140
[ 550.047970][T11558] ? clear_bhb_loop+0x40/0x90
[ 550.047989][T11558] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 550.048004][T11558] RIP: 0033:0x7f17b109cf5a
[ 550.048021][T11558] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 550.048034][T11558] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 550.048052][T11558] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 550.048065][T11558] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 550.048076][T11558] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 550.048087][T11558] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 550.048098][T11558] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 550.048124][T11558]
[ 550.049748][T11558] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 550.112905][T11559] loop1: detected capacity change from 0 to 32768
[ 550.120819][T11555] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 550.190771][T11559] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 550.265819][T11563] loop4: detected capacity change from 0 to 32768
[ 550.315269][T11559] CPU: 0 UID: 0 PID: 11559 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 550.315294][T11559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 550.315303][T11559] Call Trace:
[ 550.315310][T11559]
[ 550.315318][T11559] dump_stack_lvl+0xe8/0x150
[ 550.315346][T11559] sysfs_create_dir_ns+0x271/0x2a0
[ 550.315372][T11559] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 550.315394][T11559] ? do_raw_spin_unlock+0xf5/0x210
[ 550.315417][T11559] kobject_add_internal+0x62b/0xd00
[ 550.315448][T11559] kobject_init_and_add+0x12b/0x1a0
[ 550.315475][T11559] ? __pfx_kobject_init_and_add+0x10/0x10
[ 550.315497][T11559] ? __raw_spin_lock_init+0x45/0x100
[ 550.315516][T11559] ? __init_swait_queue_head+0xa9/0x150
[ 550.315537][T11559] gfs2_sys_fs_add+0x257/0x480
[ 550.315556][T11559] ? is_dynamic_key+0x1ac/0x1c0
[ 550.315577][T11559] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 550.315603][T11559] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 550.315633][T11559] gfs2_fill_super+0x13a7/0x21d0
[ 550.315663][T11559] ? __pfx_gfs2_fill_super+0x10/0x10
[ 550.315682][T11559] ? sb_set_blocksize+0x155/0x240
[ 550.315706][T11559] ? setup_bdev_super+0x4c1/0x5b0
[ 550.315725][T11559] get_tree_bdev_flags+0x431/0x4f0
[ 550.315743][T11559] ? __pfx_gfs2_fill_super+0x10/0x10
[ 550.315758][T11559] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 550.315773][T11559] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 550.315799][T11559] gfs2_get_tree+0x51/0x1e0
[ 550.315817][T11559] vfs_get_tree+0x92/0x2a0
[ 550.315836][T11559] do_new_mount+0x341/0xd30
[ 550.315861][T11559] ? apparmor_capable+0x126/0x170
[ 550.315881][T11559] ? __pfx_do_new_mount+0x10/0x10
[ 550.315901][T11559] ? ns_capable+0x89/0xe0
[ 550.315930][T11559] ? user_path_at+0xd4/0x160
[ 550.315946][T11559] __se_sys_mount+0x31d/0x420
[ 550.315972][T11559] ? __pfx___se_sys_mount+0x10/0x10
[ 550.315997][T11559] ? __x64_sys_mount+0x20/0xc0
[ 550.316016][T11559] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 550.316033][T11559] do_syscall_64+0x15f/0xf80
[ 550.316052][T11559] ? trace_irq_disable+0x3b/0x140
[ 550.316070][T11559] ? clear_bhb_loop+0x40/0x90
[ 550.316089][T11559] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 550.316105][T11559] RIP: 0033:0x7f17b109cf5a
executing program
[ 550.316120][T11559] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 550.316133][T11559] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 550.316149][T11559] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 550.316161][T11559] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 550.316172][T11559] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 550.316182][T11559] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 550.316193][T11559] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 550.316218][T11559]
[ 550.316241][T11559] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 550.456436][T11558] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 550.461421][T11559] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 550.478781][T11555] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 550.678566][T11563] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 550.749385][T11563] CPU: 0 UID: 0 PID: 11563 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 550.749410][T11563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 550.749420][T11563] Call Trace:
[ 550.749428][T11563]
[ 550.749436][T11563] dump_stack_lvl+0xe8/0x150
[ 550.749466][T11563] sysfs_create_dir_ns+0x271/0x2a0
[ 550.749492][T11563] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 550.749515][T11563] ? do_raw_spin_unlock+0xf5/0x210
executing program
[ 550.749538][T11563] kobject_add_internal+0x62b/0xd00
[ 550.749568][T11563] kobject_init_and_add+0x12b/0x1a0
[ 550.749597][T11563] ? __pfx_kobject_init_and_add+0x10/0x10
[ 550.749621][T11563] ? __raw_spin_lock_init+0x45/0x100
[ 550.749642][T11563] ? __init_swait_queue_head+0xa9/0x150
[ 550.749664][T11563] gfs2_sys_fs_add+0x257/0x480
[ 550.749684][T11563] ? is_dynamic_key+0x1ac/0x1c0
[ 550.749706][T11563] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 550.749733][T11563] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 550.749764][T11563] gfs2_fill_super+0x13a7/0x21d0
[ 550.749797][T11563] ? __pfx_gfs2_fill_super+0x10/0x10
[ 550.749824][T11563] ? sb_set_blocksize+0x155/0x240
[ 550.749850][T11563] ? setup_bdev_super+0x4c1/0x5b0
[ 550.749878][T11563] get_tree_bdev_flags+0x431/0x4f0
[ 550.749896][T11563] ? __pfx_gfs2_fill_super+0x10/0x10
[ 550.749912][T11563] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 550.749927][T11563] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 550.749960][T11563] gfs2_get_tree+0x51/0x1e0
[ 550.749980][T11563] vfs_get_tree+0x92/0x2a0
[ 550.750000][T11563] do_new_mount+0x341/0xd30
[ 550.750020][T11563] ? apparmor_capable+0x126/0x170
[ 550.750042][T11563] ? __pfx_do_new_mount+0x10/0x10
[ 550.750062][T11563] ? ns_capable+0x89/0xe0
[ 550.750093][T11563] ? user_path_at+0xd4/0x160
[ 550.750111][T11563] __se_sys_mount+0x31d/0x420
[ 550.750138][T11563] ? __pfx___se_sys_mount+0x10/0x10
[ 550.750166][T11563] ? __x64_sys_mount+0x20/0xc0
[ 550.750186][T11563] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 550.750204][T11563] do_syscall_64+0x15f/0xf80
[ 550.750224][T11563] ? trace_irq_disable+0x3b/0x140
[ 550.750242][T11563] ? clear_bhb_loop+0x40/0x90
[ 550.750261][T11563] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 550.750277][T11563] RIP: 0033:0x7f17b109cf5a
[ 550.750294][T11563] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 550.750308][T11563] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 550.750327][T11563] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 550.750339][T11563] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 550.750351][T11563] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 550.750362][T11563] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 550.750373][T11563] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 550.750399][T11563]
[ 550.750444][T11563] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
executing program
[ 551.458542][T11563] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 552.088591][T11589] loop0: detected capacity change from 0 to 32768
[ 552.150265][T11589] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 552.159612][T11589] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 552.191004][T11584] loop1: detected capacity change from 0 to 32768
executing program
[ 552.259912][T11587] loop2: detected capacity change from 0 to 32768
[ 552.263407][T11584] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 552.276948][T11587] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 552.296007][T11587] CPU: 0 UID: 0 PID: 11587 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 552.296033][T11587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 552.296043][T11587] Call Trace:
[ 552.296050][T11587]
[ 552.296058][T11587] dump_stack_lvl+0xe8/0x150
[ 552.296087][T11587] sysfs_create_dir_ns+0x271/0x2a0
[ 552.296113][T11587] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 552.296136][T11587] ? do_raw_spin_unlock+0xf5/0x210
[ 552.296159][T11587] kobject_add_internal+0x62b/0xd00
[ 552.296189][T11587] kobject_init_and_add+0x12b/0x1a0
[ 552.296217][T11587] ? __pfx_kobject_init_and_add+0x10/0x10
[ 552.296240][T11587] ? __raw_spin_lock_init+0x45/0x100
[ 552.296259][T11587] ? __init_swait_queue_head+0xa9/0x150
[ 552.296281][T11587] gfs2_sys_fs_add+0x257/0x480
[ 552.296301][T11587] ? is_dynamic_key+0x1ac/0x1c0
[ 552.296323][T11587] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 552.296350][T11587] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 552.296382][T11587] gfs2_fill_super+0x13a7/0x21d0
[ 552.296422][T11587] ? __pfx_gfs2_fill_super+0x10/0x10
[ 552.296443][T11587] ? sb_set_blocksize+0x155/0x240
[ 552.296467][T11587] ? setup_bdev_super+0x4c1/0x5b0
[ 552.296488][T11587] get_tree_bdev_flags+0x431/0x4f0
[ 552.296507][T11587] ? __pfx_gfs2_fill_super+0x10/0x10
[ 552.296523][T11587] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 552.296538][T11587] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 552.296565][T11587] gfs2_get_tree+0x51/0x1e0
[ 552.296584][T11587] vfs_get_tree+0x92/0x2a0
[ 552.296603][T11587] do_new_mount+0x341/0xd30
[ 552.296622][T11587] ? apparmor_capable+0x126/0x170
[ 552.296643][T11587] ? __pfx_do_new_mount+0x10/0x10
[ 552.296666][T11587] ? ns_capable+0x89/0xe0
[ 552.296697][T11587] ? user_path_at+0xd4/0x160
[ 552.296715][T11587] __se_sys_mount+0x31d/0x420
[ 552.296741][T11587] ? __pfx___se_sys_mount+0x10/0x10
[ 552.296765][T11587] ? __x64_sys_mount+0x20/0xc0
[ 552.296783][T11587] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 552.296800][T11587] do_syscall_64+0x15f/0xf80
[ 552.296819][T11587] ? trace_irq_disable+0x3b/0x140
[ 552.296838][T11587] ? clear_bhb_loop+0x40/0x90
[ 552.296857][T11587] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 552.296871][T11587] RIP: 0033:0x7f17b109cf5a
[ 552.296885][T11587] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 552.296899][T11587] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 552.296917][T11587] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 552.296925][T11587] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 552.296936][T11587] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 552.296948][T11587] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 552.296959][T11587] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 552.296983][T11587]
[ 552.297062][T11587] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 552.390565][T11584] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 552.394489][T11587] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 552.671094][T11591] loop3: detected capacity change from 0 to 32768
[ 552.770894][T11591] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 552.792857][T11591] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 553.215667][T11603] loop4: detected capacity change from 0 to 32768
[ 553.268528][T11603] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 553.312405][T11603] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 553.744871][T11614] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 553.779749][T11614] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 553.846109][T11609] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 553.939001][T11609] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 553.999302][T11619] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 554.017394][T11619] CPU: 1 UID: 0 PID: 11619 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 554.017438][T11619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 554.017448][T11619] Call Trace:
[ 554.017456][T11619]
[ 554.017464][T11619] dump_stack_lvl+0xe8/0x150
[ 554.017492][T11619] sysfs_create_dir_ns+0x271/0x2a0
[ 554.017518][T11619] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 554.017541][T11619] ? do_raw_spin_unlock+0xf5/0x210
[ 554.017564][T11619] kobject_add_internal+0x62b/0xd00
[ 554.017594][T11619] kobject_init_and_add+0x12b/0x1a0
[ 554.017621][T11619] ? __pfx_kobject_init_and_add+0x10/0x10
[ 554.017645][T11619] ? __raw_spin_lock_init+0x45/0x100
[ 554.017664][T11619] ? __init_swait_queue_head+0xa9/0x150
[ 554.017684][T11619] gfs2_sys_fs_add+0x257/0x480
[ 554.017702][T11619] ? is_dynamic_key+0x1ac/0x1c0
[ 554.017722][T11619] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 554.017748][T11619] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 554.017776][T11619] gfs2_fill_super+0x13a7/0x21d0
[ 554.017806][T11619] ? __pfx_gfs2_fill_super+0x10/0x10
[ 554.017824][T11619] ? sb_set_blocksize+0x155/0x240
[ 554.017847][T11619] ? setup_bdev_super+0x4c1/0x5b0
[ 554.017867][T11619] get_tree_bdev_flags+0x431/0x4f0
[ 554.017885][T11619] ? __pfx_gfs2_fill_super+0x10/0x10
[ 554.017901][T11619] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 554.017916][T11619] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 554.017940][T11619] gfs2_get_tree+0x51/0x1e0
[ 554.017958][T11619] vfs_get_tree+0x92/0x2a0
[ 554.017976][T11619] do_new_mount+0x341/0xd30
[ 554.017995][T11619] ? apparmor_capable+0x126/0x170
[ 554.018014][T11619] ? __pfx_do_new_mount+0x10/0x10
[ 554.018032][T11619] ? ns_capable+0x89/0xe0
[ 554.018064][T11619] ? user_path_at+0xd4/0x160
[ 554.018081][T11619] __se_sys_mount+0x31d/0x420
[ 554.018106][T11619] ? __pfx___se_sys_mount+0x10/0x10
[ 554.018130][T11619] ? __x64_sys_mount+0x20/0xc0
[ 554.018149][T11619] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 554.018166][T11619] do_syscall_64+0x15f/0xf80
[ 554.018195][T11619] ? trace_irq_disable+0x3b/0x140
[ 554.018214][T11619] ? clear_bhb_loop+0x40/0x90
[ 554.018234][T11619] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 554.018249][T11619] RIP: 0033:0x7f17b109cf5a
[ 554.018265][T11619] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 554.018278][T11619] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 554.018295][T11619] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 554.018307][T11619] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 554.018317][T11619] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 554.018326][T11619] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 554.018336][T11619] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 554.018363][T11619]
[ 554.018387][T11619] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 554.425452][T11618] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 554.503289][T11618] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 554.581343][T11619] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 554.942795][T11631] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 555.015468][T11631] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 555.094335][T11622] set_capacity_and_notify: 5 callbacks suppressed
[ 555.094352][T11622] loop4: detected capacity change from 0 to 32768
[ 555.183111][T11622] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 555.221526][T11622] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 555.582243][T11634] loop3: detected capacity change from 0 to 32768
[ 555.629577][T11634] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 555.668726][T11634] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 555.838315][T11628] loop1: detected capacity change from 0 to 32768
[ 555.890880][T11628] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 555.935075][T11628] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 556.332971][T11635] loop2: detected capacity change from 0 to 32768
[ 556.388584][T11635] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 556.442820][T11635] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 556.580350][T11638] loop0: detected capacity change from 0 to 32768
[ 556.637704][T11638] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 556.687277][T11638] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 556.843363][T11641] loop4: detected capacity change from 0 to 32768
[ 556.916131][T11641] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 556.956609][T11641] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 557.330795][T11647] loop3: detected capacity change from 0 to 32768
[ 557.388863][T11647] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 557.462699][T11653] loop1: detected capacity change from 0 to 32768
[ 557.471322][T11647] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 557.577421][T11653] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 557.594010][T11653] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 557.695156][T11664] loop0: detected capacity change from 0 to 32768
[ 557.770241][T11664] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 557.831967][T11664] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 558.281358][T11660] loop2: detected capacity change from 0 to 32768
[ 558.363084][T11660] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 558.383314][T11660] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 558.840525][T11669] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 558.871175][T11669] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 559.181435][T11677] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 559.203760][T11678] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 559.229940][T11677] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 559.239784][T11678] CPU: 0 UID: 0 PID: 11678 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 559.239807][T11678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 559.239818][T11678] Call Trace:
[ 559.239825][T11678]
[ 559.239831][T11678] dump_stack_lvl+0xe8/0x150
[ 559.239860][T11678] sysfs_create_dir_ns+0x271/0x2a0
[ 559.239883][T11678] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 559.239906][T11678] ? do_raw_spin_unlock+0xf5/0x210
[ 559.239929][T11678] kobject_add_internal+0x62b/0xd00
[ 559.239962][T11678] kobject_init_and_add+0x12b/0x1a0
[ 559.239990][T11678] ? __pfx_kobject_init_and_add+0x10/0x10
[ 559.240012][T11678] ? __raw_spin_lock_init+0x45/0x100
[ 559.240031][T11678] ? __init_swait_queue_head+0xa9/0x150
[ 559.240051][T11678] gfs2_sys_fs_add+0x257/0x480
[ 559.240069][T11678] ? is_dynamic_key+0x1ac/0x1c0
[ 559.240089][T11678] ? __pfx_gfs2_sys_fs_add+0x10/0x10
executing program
[ 559.240115][T11678] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 559.240140][T11678] gfs2_fill_super+0x13a7/0x21d0
[ 559.240171][T11678] ? __pfx_gfs2_fill_super+0x10/0x10
[ 559.240188][T11678] ? sb_set_blocksize+0x155/0x240
[ 559.240212][T11678] ? setup_bdev_super+0x4c1/0x5b0
[ 559.240230][T11678] get_tree_bdev_flags+0x431/0x4f0
[ 559.240247][T11678] ? __pfx_gfs2_fill_super+0x10/0x10
[ 559.240261][T11678] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 559.240275][T11678] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 559.240300][T11678] gfs2_get_tree+0x51/0x1e0
[ 559.240318][T11678] vfs_get_tree+0x92/0x2a0
[ 559.240336][T11678] do_new_mount+0x341/0xd30
[ 559.240356][T11678] ? apparmor_capable+0x126/0x170
[ 559.240377][T11678] ? __pfx_do_new_mount+0x10/0x10
[ 559.240398][T11678] ? ns_capable+0x89/0xe0
[ 559.240429][T11678] ? user_path_at+0xd4/0x160
[ 559.240447][T11678] __se_sys_mount+0x31d/0x420
[ 559.240474][T11678] ? __pfx___se_sys_mount+0x10/0x10
[ 559.240501][T11678] ? __x64_sys_mount+0x20/0xc0
[ 559.240520][T11678] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 559.240539][T11678] do_syscall_64+0x15f/0xf80
[ 559.240558][T11678] ? trace_irq_disable+0x3b/0x140
[ 559.240578][T11678] ? clear_bhb_loop+0x40/0x90
[ 559.240607][T11678] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 559.240623][T11678] RIP: 0033:0x7f17b109cf5a
[ 559.240641][T11678] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 559.240654][T11678] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 559.240673][T11678] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 559.240684][T11678] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 559.240695][T11678] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 559.240706][T11678] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 559.240716][T11678] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 559.240743][T11678]
[ 559.240767][T11678] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 559.713824][T11683] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 559.861768][T11683] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 559.872334][T11678] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 560.148604][T11703] set_capacity_and_notify: 4 callbacks suppressed
[ 560.148622][T11703] loop3: detected capacity change from 0 to 32768
executing program
[ 560.230116][T11703] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 560.252005][T11703] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 560.305521][T11689] loop2: detected capacity change from 0 to 32768
[ 560.363805][T11689] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 560.409146][T11689] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 560.916680][T11697] loop4: detected capacity change from 0 to 32768
executing program
[ 560.977479][T11697] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 561.003945][T11697] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 561.396743][T11708] loop1: detected capacity change from 0 to 32768
[ 561.434844][T11708] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 561.462527][T11708] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 561.606186][T11710] loop0: detected capacity change from 0 to 32768
[ 561.659609][T11710] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 561.709406][T11710] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 561.938125][T11715] loop3: detected capacity change from 0 to 32768
[ 561.950935][T11719] loop2: detected capacity change from 0 to 32768
[ 561.979311][T11715] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 562.019465][T11719] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 562.035725][T11715] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 562.052147][T11719] CPU: 0 UID: 0 PID: 11719 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 562.052169][T11719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 562.052180][T11719] Call Trace:
[ 562.052187][T11719]
[ 562.052195][T11719] dump_stack_lvl+0xe8/0x150
[ 562.052225][T11719] sysfs_create_dir_ns+0x271/0x2a0
[ 562.052251][T11719] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 562.052275][T11719] ? do_raw_spin_unlock+0xf5/0x210
[ 562.052298][T11719] kobject_add_internal+0x62b/0xd00
[ 562.052330][T11719] kobject_init_and_add+0x12b/0x1a0
[ 562.052357][T11719] ? __pfx_kobject_init_and_add+0x10/0x10
[ 562.052380][T11719] ? __raw_spin_lock_init+0x45/0x100
[ 562.052400][T11719] ? __init_swait_queue_head+0xa9/0x150
[ 562.052421][T11719] gfs2_sys_fs_add+0x257/0x480
[ 562.052441][T11719] ? is_dynamic_key+0x1ac/0x1c0
[ 562.052463][T11719] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 562.052487][T11719] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 562.052517][T11719] gfs2_fill_super+0x13a7/0x21d0
[ 562.052543][T11719] ? __pfx_gfs2_fill_super+0x10/0x10
[ 562.052570][T11719] ? sb_set_blocksize+0x155/0x240
[ 562.052597][T11719] ? setup_bdev_super+0x4c1/0x5b0
[ 562.052619][T11719] get_tree_bdev_flags+0x431/0x4f0
[ 562.052637][T11719] ? __pfx_gfs2_fill_super+0x10/0x10
[ 562.052653][T11719] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 562.052669][T11719] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 562.052696][T11719] gfs2_get_tree+0x51/0x1e0
[ 562.052716][T11719] vfs_get_tree+0x92/0x2a0
[ 562.052737][T11719] do_new_mount+0x341/0xd30
[ 562.052766][T11719] ? apparmor_capable+0x126/0x170
[ 562.052788][T11719] ? __pfx_do_new_mount+0x10/0x10
[ 562.052809][T11719] ? ns_capable+0x89/0xe0
[ 562.052839][T11719] ? user_path_at+0xd4/0x160
[ 562.052856][T11719] __se_sys_mount+0x31d/0x420
[ 562.052881][T11719] ? __pfx___se_sys_mount+0x10/0x10
[ 562.052908][T11719] ? __x64_sys_mount+0x20/0xc0
[ 562.052927][T11719] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 562.052945][T11719] do_syscall_64+0x15f/0xf80
[ 562.052974][T11719] ? trace_irq_disable+0x3b/0x140
[ 562.052992][T11719] ? clear_bhb_loop+0x40/0x90
[ 562.053012][T11719] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 562.053027][T11719] RIP: 0033:0x7f17b109cf5a
[ 562.053044][T11719] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 562.053057][T11719] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 562.053074][T11719] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 562.053087][T11719] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 562.053098][T11719] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 562.053109][T11719] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
executing program
[ 562.053120][T11719] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 562.053151][T11719]
[ 562.053185][T11719] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 562.789272][T11726] loop4: detected capacity change from 0 to 32768
[ 562.883637][T11726] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 562.932869][T11719] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 562.939734][ T1316] ieee802154 phy0 wpan0: encryption failed: -22
[ 562.957040][ T1316] ieee802154 phy1 wpan1: encryption failed: -22
[ 563.013799][T11726] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 563.084687][T11737] loop0: detected capacity change from 0 to 32768
[ 563.133561][T11737] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 563.177069][T11737] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 563.200876][T11744] loop3: detected capacity change from 0 to 32768
executing program
[ 563.254025][T11744] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 563.324778][T11744] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 563.371512][T11732] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 563.434287][T11732] CPU: 1 UID: 0 PID: 11732 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 563.434313][T11732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 563.434323][T11732] Call Trace:
[ 563.434331][T11732]
[ 563.434338][T11732] dump_stack_lvl+0xe8/0x150
[ 563.434367][T11732] sysfs_create_dir_ns+0x271/0x2a0
[ 563.434393][T11732] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 563.434417][T11732] ? do_raw_spin_unlock+0xf5/0x210
[ 563.434440][T11732] kobject_add_internal+0x62b/0xd00
[ 563.434471][T11732] kobject_init_and_add+0x12b/0x1a0
[ 563.434499][T11732] ? __pfx_kobject_init_and_add+0x10/0x10
[ 563.434522][T11732] ? __raw_spin_lock_init+0x45/0x100
[ 563.434542][T11732] ? __init_swait_queue_head+0xa9/0x150
[ 563.434564][T11732] gfs2_sys_fs_add+0x257/0x480
[ 563.434587][T11732] ? is_dynamic_key+0x1ac/0x1c0
[ 563.434609][T11732] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 563.434637][T11732] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 563.434668][T11732] gfs2_fill_super+0x13a7/0x21d0
[ 563.434699][T11732] ? __pfx_gfs2_fill_super+0x10/0x10
[ 563.434720][T11732] ? sb_set_blocksize+0x155/0x240
[ 563.434745][T11732] ? setup_bdev_super+0x4c1/0x5b0
[ 563.434766][T11732] get_tree_bdev_flags+0x431/0x4f0
[ 563.434784][T11732] ? __pfx_gfs2_fill_super+0x10/0x10
[ 563.434800][T11732] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 563.434816][T11732] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 563.434842][T11732] gfs2_get_tree+0x51/0x1e0
[ 563.434861][T11732] vfs_get_tree+0x92/0x2a0
[ 563.434880][T11732] do_new_mount+0x341/0xd30
[ 563.434900][T11732] ? apparmor_capable+0x126/0x170
[ 563.434922][T11732] ? __pfx_do_new_mount+0x10/0x10
[ 563.434943][T11732] ? ns_capable+0x89/0xe0
[ 563.434974][T11732] ? user_path_at+0xd4/0x160
[ 563.434992][T11732] __se_sys_mount+0x31d/0x420
[ 563.435019][T11732] ? __pfx___se_sys_mount+0x10/0x10
[ 563.435045][T11732] ? __x64_sys_mount+0x20/0xc0
[ 563.435064][T11732] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 563.435082][T11732] do_syscall_64+0x15f/0xf80
[ 563.435109][T11732] ? trace_irq_disable+0x3b/0x140
[ 563.435128][T11732] ? clear_bhb_loop+0x40/0x90
[ 563.435149][T11732] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 563.435164][T11732] RIP: 0033:0x7f17b109cf5a
[ 563.435181][T11732] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 563.435195][T11732] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 563.435213][T11732] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 563.435226][T11732] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 563.435237][T11732] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 563.435247][T11732] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 563.435258][T11732] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 563.435285][T11732]
[ 563.728826][T11732] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 563.742783][T11732] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 564.051542][T11759] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 564.060228][T11759] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 565.013783][T11755] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 565.087933][T11755] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 565.165452][T11763] set_capacity_and_notify: 3 callbacks suppressed
[ 565.165469][T11763] loop2: detected capacity change from 0 to 32768
[ 565.283131][T11763] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 565.317875][T11763] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 565.396094][T11764] loop3: detected capacity change from 0 to 32768
[ 565.422917][T11772] loop0: detected capacity change from 0 to 32768
[ 565.455806][T11764] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 565.492746][T11772] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 565.534356][T11764] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 565.554546][T11772] CPU: 0 UID: 0 PID: 11772 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 565.554570][T11772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 565.554580][T11772] Call Trace:
[ 565.554587][T11772]
[ 565.554594][T11772] dump_stack_lvl+0xe8/0x150
[ 565.554621][T11772] sysfs_create_dir_ns+0x271/0x2a0
[ 565.554645][T11772] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 565.554666][T11772] ? do_raw_spin_unlock+0xf5/0x210
[ 565.554688][T11772] kobject_add_internal+0x62b/0xd00
[ 565.554718][T11772] kobject_init_and_add+0x12b/0x1a0
[ 565.554745][T11772] ? __pfx_kobject_init_and_add+0x10/0x10
[ 565.554768][T11772] ? __raw_spin_lock_init+0x45/0x100
[ 565.554787][T11772] ? __init_swait_queue_head+0xa9/0x150
[ 565.554809][T11772] gfs2_sys_fs_add+0x257/0x480
[ 565.554829][T11772] ? is_dynamic_key+0x1ac/0x1c0
[ 565.554863][T11772] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 565.554890][T11772] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 565.554922][T11772] gfs2_fill_super+0x13a7/0x21d0
[ 565.554954][T11772] ? __pfx_gfs2_fill_super+0x10/0x10
[ 565.554975][T11772] ? sb_set_blocksize+0x155/0x240
[ 565.555000][T11772] ? setup_bdev_super+0x4c1/0x5b0
[ 565.555022][T11772] get_tree_bdev_flags+0x431/0x4f0
[ 565.555041][T11772] ? __pfx_gfs2_fill_super+0x10/0x10
[ 565.555057][T11772] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 565.555072][T11772] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 565.555099][T11772] gfs2_get_tree+0x51/0x1e0
[ 565.555119][T11772] vfs_get_tree+0x92/0x2a0
[ 565.555138][T11772] do_new_mount+0x341/0xd30
[ 565.555158][T11772] ? apparmor_capable+0x126/0x170
[ 565.555180][T11772] ? __pfx_do_new_mount+0x10/0x10
[ 565.555200][T11772] ? ns_capable+0x89/0xe0
[ 565.555231][T11772] ? user_path_at+0xd4/0x160
[ 565.555249][T11772] __se_sys_mount+0x31d/0x420
[ 565.555276][T11772] ? __pfx___se_sys_mount+0x10/0x10
[ 565.555302][T11772] ? __x64_sys_mount+0x20/0xc0
[ 565.555321][T11772] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 565.555339][T11772] do_syscall_64+0x15f/0xf80
[ 565.555359][T11772] ? trace_irq_disable+0x3b/0x140
[ 565.555379][T11772] ? clear_bhb_loop+0x40/0x90
[ 565.555398][T11772] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 565.555414][T11772] RIP: 0033:0x7f17b109cf5a
[ 565.555430][T11772] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 565.555444][T11772] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 565.555462][T11772] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 565.555475][T11772] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 565.555486][T11772] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 565.555497][T11772] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 565.555508][T11772] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 565.555536][T11772]
[ 565.555574][T11772] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 565.602690][T11765] loop1: detected capacity change from 0 to 32768
[ 565.603305][T11772] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 565.982913][T11765] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 566.001842][T11765] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 566.915847][T11781] loop4: detected capacity change from 0 to 32768
[ 566.960779][T11781] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 567.006141][T11781] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 567.158399][T11784] loop2: detected capacity change from 0 to 32768
[ 567.209425][T11784] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 567.273219][T11784] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 567.431247][T11797] loop0: detected capacity change from 0 to 32768
[ 567.495103][T11797] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 567.539594][T11797] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 567.569276][T11796] loop3: detected capacity change from 0 to 32768
executing program
[ 567.625693][T11796] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 567.658188][T11798] loop1: detected capacity change from 0 to 32768
[ 567.664766][T11796] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 567.682847][T11798] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 567.753185][T11798] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 568.486038][T11810] loop4: detected capacity change from 0 to 32768
[ 568.525204][T11810] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 568.547143][T11810] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 568.792641][T11816] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 568.824104][T11816] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 569.169608][T11823] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 569.193953][T11823] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 569.346232][T11829] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 569.400845][T11829] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 569.796422][T11828] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 569.839734][T11828] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 570.136495][T11835] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 570.177395][T11835] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 570.520001][T11842] set_capacity_and_notify: 5 callbacks suppressed
[ 570.520018][T11842] loop2: detected capacity change from 0 to 32768
[ 570.620241][T11842] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 570.671312][T11842] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 570.973752][T11849] loop0: detected capacity change from 0 to 32768
[ 570.997715][T11851] loop1: detected capacity change from 0 to 32768
[ 571.039890][T11849] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 571.052115][T11851] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 571.075542][T11849] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 571.078444][T11851] CPU: 1 UID: 0 PID: 11851 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 571.078469][T11851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 571.078479][T11851] Call Trace:
[ 571.078486][T11851]
[ 571.078493][T11851] dump_stack_lvl+0xe8/0x150
[ 571.078532][T11851] sysfs_create_dir_ns+0x271/0x2a0
[ 571.078557][T11851] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 571.078580][T11851] ? do_raw_spin_unlock+0xf5/0x210
[ 571.078603][T11851] kobject_add_internal+0x62b/0xd00
[ 571.078632][T11851] kobject_init_and_add+0x12b/0x1a0
[ 571.078658][T11851] ? __pfx_kobject_init_and_add+0x10/0x10
[ 571.078681][T11851] ? __raw_spin_lock_init+0x45/0x100
[ 571.078700][T11851] ? __init_swait_queue_head+0xa9/0x150
[ 571.078720][T11851] gfs2_sys_fs_add+0x257/0x480
[ 571.078739][T11851] ? is_dynamic_key+0x1ac/0x1c0
[ 571.078760][T11851] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 571.078787][T11851] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 571.078816][T11851] gfs2_fill_super+0x13a7/0x21d0
[ 571.078846][T11851] ? __pfx_gfs2_fill_super+0x10/0x10
[ 571.078866][T11851] ? sb_set_blocksize+0x155/0x240
[ 571.078890][T11851] ? setup_bdev_super+0x4c1/0x5b0
[ 571.078910][T11851] get_tree_bdev_flags+0x431/0x4f0
[ 571.078928][T11851] ? __pfx_gfs2_fill_super+0x10/0x10
[ 571.078942][T11851] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 571.078957][T11851] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 571.078983][T11851] gfs2_get_tree+0x51/0x1e0
[ 571.079002][T11851] vfs_get_tree+0x92/0x2a0
[ 571.079028][T11851] do_new_mount+0x341/0xd30
[ 571.079047][T11851] ? apparmor_capable+0x126/0x170
[ 571.079068][T11851] ? __pfx_do_new_mount+0x10/0x10
[ 571.079088][T11851] ? ns_capable+0x89/0xe0
[ 571.079118][T11851] ? user_path_at+0xd4/0x160
[ 571.079135][T11851] __se_sys_mount+0x31d/0x420
[ 571.079160][T11851] ? __pfx___se_sys_mount+0x10/0x10
[ 571.079185][T11851] ? __x64_sys_mount+0x20/0xc0
[ 571.079204][T11851] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 571.079226][T11851] do_syscall_64+0x15f/0xf80
[ 571.079245][T11851] ? trace_irq_disable+0x3b/0x140
[ 571.079263][T11851] ? clear_bhb_loop+0x40/0x90
[ 571.079282][T11851] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 571.079298][T11851] RIP: 0033:0x7f17b109cf5a
[ 571.079314][T11851] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 571.079327][T11851] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 571.079354][T11851] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 571.079365][T11851] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 571.079376][T11851] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 571.079387][T11851] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 571.079397][T11851] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 571.079427][T11851]
[ 571.079449][T11851] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 571.562583][T11857] loop3: detected capacity change from 0 to 32768
[ 571.578578][T11862] loop4: detected capacity change from 0 to 32768
[ 571.667522][T11862] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 571.676491][T11862] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 571.686293][T11851] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 571.721802][T11857] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 571.767444][T11857] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 572.618016][T11869] loop2: detected capacity change from 0 to 32768
[ 572.673504][T11869] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 572.723099][T11869] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 572.933674][T11878] loop0: detected capacity change from 0 to 32768
[ 572.978935][T11887] loop4: detected capacity change from 0 to 32768
[ 572.987306][T11878] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 573.010572][T11878] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 573.033372][T11887] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 573.082951][T11887] CPU: 0 UID: 0 PID: 11887 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 573.082978][T11887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 573.082989][T11887] Call Trace:
[ 573.082996][T11887]
[ 573.083004][T11887] dump_stack_lvl+0xe8/0x150
[ 573.083033][T11887] sysfs_create_dir_ns+0x271/0x2a0
[ 573.083059][T11887] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 573.083083][T11887] ? do_raw_spin_unlock+0xf5/0x210
[ 573.083106][T11887] kobject_add_internal+0x62b/0xd00
[ 573.083138][T11887] kobject_init_and_add+0x12b/0x1a0
[ 573.083165][T11887] ? __pfx_kobject_init_and_add+0x10/0x10
[ 573.083187][T11887] ? __raw_spin_lock_init+0x45/0x100
[ 573.083205][T11887] ? __init_swait_queue_head+0xa9/0x150
[ 573.083223][T11887] gfs2_sys_fs_add+0x257/0x480
[ 573.083250][T11887] ? is_dynamic_key+0x1ac/0x1c0
[ 573.083271][T11887] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 573.083299][T11887] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 573.083330][T11887] gfs2_fill_super+0x13a7/0x21d0
[ 573.083361][T11887] ? __pfx_gfs2_fill_super+0x10/0x10
[ 573.083381][T11887] ? sb_set_blocksize+0x155/0x240
[ 573.083411][T11887] ? setup_bdev_super+0x4c1/0x5b0
[ 573.083432][T11887] get_tree_bdev_flags+0x431/0x4f0
[ 573.083450][T11887] ? __pfx_gfs2_fill_super+0x10/0x10
[ 573.083466][T11887] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 573.083482][T11887] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 573.083509][T11887] gfs2_get_tree+0x51/0x1e0
[ 573.083528][T11887] vfs_get_tree+0x92/0x2a0
[ 573.083548][T11887] do_new_mount+0x341/0xd30
[ 573.083568][T11887] ? apparmor_capable+0x126/0x170
[ 573.083589][T11887] ? __pfx_do_new_mount+0x10/0x10
[ 573.083609][T11887] ? ns_capable+0x89/0xe0
[ 573.083641][T11887] ? user_path_at+0xd4/0x160
[ 573.083658][T11887] __se_sys_mount+0x31d/0x420
[ 573.083685][T11887] ? __pfx___se_sys_mount+0x10/0x10
[ 573.083711][T11887] ? __x64_sys_mount+0x20/0xc0
[ 573.083731][T11887] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.083749][T11887] do_syscall_64+0x15f/0xf80
[ 573.083769][T11887] ? trace_irq_disable+0x3b/0x140
[ 573.083788][T11887] ? clear_bhb_loop+0x40/0x90
[ 573.083808][T11887] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.083825][T11887] RIP: 0033:0x7f17b109cf5a
[ 573.083841][T11887] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 573.083855][T11887] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 573.083874][T11887] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 573.083886][T11887] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 573.083897][T11887] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 573.083909][T11887] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 573.083919][T11887] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 573.083946][T11887]
executing program
executing program
[ 573.083982][T11887] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 573.295447][T11888] loop1: detected capacity change from 0 to 32768
[ 573.303647][T11887] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 573.728059][T11888] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 573.783146][T11888] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 573.969465][T11892] loop3: detected capacity change from 0 to 32768
[ 574.011549][T11892] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 574.047338][T11892] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 574.565325][T11901] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 574.592123][T11901] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 574.740860][T11910] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 574.761498][T11910] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 574.950322][T11911] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 575.001363][T11911] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 575.375546][T11916] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 575.423246][T11916] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 575.785670][T11921] set_capacity_and_notify: 4 callbacks suppressed
[ 575.785687][T11921] loop3: detected capacity change from 0 to 32768
[ 575.839632][T11921] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 575.866515][T11921] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 576.213922][T11929] loop2: detected capacity change from 0 to 32768
[ 576.258328][T11929] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 576.302867][T11929] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 576.360973][T11932] loop4: detected capacity change from 0 to 32768
[ 576.424497][T11932] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 576.482744][T11932] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 576.520802][T11938] loop0: detected capacity change from 0 to 32768
executing program
executing program
[ 576.644626][T11938] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 576.665260][T11938] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 576.953551][T11943] loop1: detected capacity change from 0 to 32768
[ 577.022372][T11943] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 577.051885][T11943] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 577.610302][T11949] loop3: detected capacity change from 0 to 32768
[ 577.663213][T11949] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 577.708154][T11949] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 577.828851][T11956] loop2: detected capacity change from 0 to 32768
[ 577.888352][T11956] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 577.929294][T11956] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 578.185010][T11962] loop4: detected capacity change from 0 to 32768
[ 578.195435][T11964] loop0: detected capacity change from 0 to 32768
[ 578.235330][T11962] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 578.261961][T11964] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 578.272300][T11962] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 578.308900][T11964] CPU: 0 UID: 0 PID: 11964 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 578.308925][T11964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 578.308934][T11964] Call Trace:
[ 578.308941][T11964]
[ 578.308947][T11964] dump_stack_lvl+0xe8/0x150
[ 578.308976][T11964] sysfs_create_dir_ns+0x271/0x2a0
[ 578.309002][T11964] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 578.309027][T11964] ? do_raw_spin_unlock+0xf5/0x210
[ 578.309049][T11964] kobject_add_internal+0x62b/0xd00
[ 578.309080][T11964] kobject_init_and_add+0x12b/0x1a0
[ 578.309105][T11964] ? __pfx_kobject_init_and_add+0x10/0x10
[ 578.309127][T11964] ? __raw_spin_lock_init+0x45/0x100
[ 578.309146][T11964] ? __init_swait_queue_head+0xa9/0x150
[ 578.309166][T11964] gfs2_sys_fs_add+0x257/0x480
[ 578.309184][T11964] ? is_dynamic_key+0x1ac/0x1c0
[ 578.309205][T11964] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 578.309230][T11964] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 578.309262][T11964] gfs2_fill_super+0x13a7/0x21d0
[ 578.309317][T11964] ? __pfx_gfs2_fill_super+0x10/0x10
[ 578.309339][T11964] ? sb_set_blocksize+0x155/0x240
[ 578.309364][T11964] ? setup_bdev_super+0x4c1/0x5b0
[ 578.309385][T11964] get_tree_bdev_flags+0x431/0x4f0
[ 578.309403][T11964] ? __pfx_gfs2_fill_super+0x10/0x10
[ 578.309419][T11964] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 578.309435][T11964] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 578.309463][T11964] gfs2_get_tree+0x51/0x1e0
[ 578.309483][T11964] vfs_get_tree+0x92/0x2a0
[ 578.309501][T11964] do_new_mount+0x341/0xd30
[ 578.309521][T11964] ? apparmor_capable+0x126/0x170
[ 578.309543][T11964] ? __pfx_do_new_mount+0x10/0x10
[ 578.309563][T11964] ? ns_capable+0x89/0xe0
[ 578.309595][T11964] ? user_path_at+0xd4/0x160
[ 578.309613][T11964] __se_sys_mount+0x31d/0x420
[ 578.309640][T11964] ? __pfx___se_sys_mount+0x10/0x10
[ 578.309666][T11964] ? __x64_sys_mount+0x20/0xc0
[ 578.309686][T11964] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.309704][T11964] do_syscall_64+0x15f/0xf80
[ 578.309725][T11964] ? trace_irq_disable+0x3b/0x140
[ 578.309764][T11964] ? clear_bhb_loop+0x40/0x90
[ 578.309785][T11964] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 578.309801][T11964] RIP: 0033:0x7f17b109cf5a
[ 578.309818][T11964] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 578.309831][T11964] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 578.309850][T11964] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 578.309861][T11964] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 578.309873][T11964] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 578.309884][T11964] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 578.309895][T11964] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 578.309923][T11964]
executing program
[ 578.309946][T11964] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 578.824977][T11970] loop1: detected capacity change from 0 to 32768
[ 578.900472][T11970] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 578.920740][T11964] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 578.966739][T11970] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 579.396086][T11978] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 579.486488][T11978] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 579.878768][T11982] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 579.945761][T11982] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 580.473084][T11991] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 580.517894][T11991] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 580.578596][T11995] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 580.614849][T11995] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 580.722892][T11999] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 580.751542][T11999] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 580.864607][T12004] set_capacity_and_notify: 5 callbacks suppressed
[ 580.864625][T12004] loop3: detected capacity change from 0 to 32768
[ 580.949376][T12004] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 581.011785][T12004] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 581.426903][T12010] loop2: detected capacity change from 0 to 32768
[ 581.490100][T12010] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 581.558362][T12010] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 582.114250][T12020] loop4: detected capacity change from 0 to 32768
[ 582.169102][T12020] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 582.223825][T12020] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 582.276549][T12025] loop1: detected capacity change from 0 to 32768
[ 582.315857][T12025] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 582.324183][T12025] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 582.407879][T12022] loop0: detected capacity change from 0 to 32768
[ 582.476733][T12022] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 582.494704][T12029] loop3: detected capacity change from 0 to 32768
[ 582.526663][T12022] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 582.548641][T12029] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 582.577416][T12029] CPU: 0 UID: 0 PID: 12029 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 582.577442][T12029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 582.577452][T12029] Call Trace:
[ 582.577459][T12029]
[ 582.577467][T12029] dump_stack_lvl+0xe8/0x150
[ 582.577496][T12029] sysfs_create_dir_ns+0x271/0x2a0
[ 582.577523][T12029] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 582.577546][T12029] ? do_raw_spin_unlock+0xf5/0x210
[ 582.577569][T12029] kobject_add_internal+0x62b/0xd00
[ 582.577601][T12029] kobject_init_and_add+0x12b/0x1a0
[ 582.577628][T12029] ? __pfx_kobject_init_and_add+0x10/0x10
[ 582.577651][T12029] ? __raw_spin_lock_init+0x45/0x100
[ 582.577671][T12029] ? __init_swait_queue_head+0xa9/0x150
[ 582.577694][T12029] gfs2_sys_fs_add+0x257/0x480
[ 582.577713][T12029] ? is_dynamic_key+0x1ac/0x1c0
[ 582.577734][T12029] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 582.577762][T12029] ? __pfx_alloc_workqueue_noprof+0x10/0x10
executing program
[ 582.577791][T12029] gfs2_fill_super+0x13a7/0x21d0
[ 582.577818][T12029] ? __pfx_gfs2_fill_super+0x10/0x10
[ 582.577835][T12029] ? sb_set_blocksize+0x155/0x240
[ 582.577858][T12029] ? setup_bdev_super+0x4c1/0x5b0
[ 582.577878][T12029] get_tree_bdev_flags+0x431/0x4f0
[ 582.577896][T12029] ? __pfx_gfs2_fill_super+0x10/0x10
[ 582.577911][T12029] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 582.577926][T12029] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 582.577954][T12029] gfs2_get_tree+0x51/0x1e0
[ 582.577974][T12029] vfs_get_tree+0x92/0x2a0
[ 582.577993][T12029] do_new_mount+0x341/0xd30
[ 582.578013][T12029] ? apparmor_capable+0x126/0x170
[ 582.578034][T12029] ? __pfx_do_new_mount+0x10/0x10
[ 582.578054][T12029] ? ns_capable+0x89/0xe0
[ 582.578084][T12029] ? user_path_at+0xd4/0x160
[ 582.578099][T12029] __se_sys_mount+0x31d/0x420
[ 582.578122][T12029] ? __pfx___se_sys_mount+0x10/0x10
[ 582.578145][T12029] ? __x64_sys_mount+0x20/0xc0
[ 582.578162][T12029] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.578177][T12029] do_syscall_64+0x15f/0xf80
[ 582.578195][T12029] ? trace_irq_disable+0x3b/0x140
[ 582.578212][T12029] ? clear_bhb_loop+0x40/0x90
[ 582.578229][T12029] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 582.578242][T12029] RIP: 0033:0x7f17b109cf5a
[ 582.578256][T12029] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 582.578269][T12029] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 582.578292][T12029] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 582.578302][T12029] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 582.578312][T12029] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 582.578321][T12029] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 582.578330][T12029] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 582.578353][T12029]
[ 582.578374][T12029] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 583.372170][T12036] loop2: detected capacity change from 0 to 32768
[ 583.386630][T12029] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 583.408517][T12036] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 583.439384][T12036] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 583.556256][T12048] loop1: detected capacity change from 0 to 32768
[ 583.627348][T12048] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 583.657817][T12048] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 584.163209][T12046] loop4: detected capacity change from 0 to 32768
[ 584.210996][T12046] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 584.235710][T12046] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 584.503947][T12054] loop0: detected capacity change from 0 to 32768
[ 584.549605][T12054] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 584.591805][T12054] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 584.970135][T12062] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 585.030823][T12062] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 585.165333][T12067] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 585.191687][T12067] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 585.415951][T12068] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 585.457517][T12068] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 585.998232][T12076] set_capacity_and_notify: 3 callbacks suppressed
[ 585.998249][T12076] loop4: detected capacity change from 0 to 32768
executing program
[ 586.050176][T12076] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 586.076206][T12076] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 586.179271][T12083] loop0: detected capacity change from 0 to 32768
[ 586.241559][T12083] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 586.284175][T12083] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 586.622718][T12090] loop2: detected capacity change from 0 to 32768
[ 586.663623][T12090] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 586.699557][T12095] loop1: detected capacity change from 0 to 32768
[ 586.732327][T12095] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 586.733501][T12090] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 586.760146][T12095] CPU: 0 UID: 0 PID: 12095 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 586.760172][T12095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 586.760183][T12095] Call Trace:
[ 586.760190][T12095]
[ 586.760198][T12095] dump_stack_lvl+0xe8/0x150
[ 586.760227][T12095] sysfs_create_dir_ns+0x271/0x2a0
[ 586.760253][T12095] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 586.760277][T12095] ? do_raw_spin_unlock+0xf5/0x210
[ 586.760300][T12095] kobject_add_internal+0x62b/0xd00
[ 586.760332][T12095] kobject_init_and_add+0x12b/0x1a0
[ 586.760360][T12095] ? __pfx_kobject_init_and_add+0x10/0x10
[ 586.760383][T12095] ? __raw_spin_lock_init+0x45/0x100
[ 586.760403][T12095] ? __init_swait_queue_head+0xa9/0x150
[ 586.760425][T12095] gfs2_sys_fs_add+0x257/0x480
[ 586.760445][T12095] ? is_dynamic_key+0x1ac/0x1c0
[ 586.760467][T12095] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 586.760495][T12095] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 586.760534][T12095] gfs2_fill_super+0x13a7/0x21d0
[ 586.760565][T12095] ? __pfx_gfs2_fill_super+0x10/0x10
[ 586.760585][T12095] ? sb_set_blocksize+0x155/0x240
[ 586.760609][T12095] ? setup_bdev_super+0x4c1/0x5b0
[ 586.760629][T12095] get_tree_bdev_flags+0x431/0x4f0
[ 586.760647][T12095] ? __pfx_gfs2_fill_super+0x10/0x10
[ 586.760663][T12095] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 586.760678][T12095] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 586.760701][T12095] gfs2_get_tree+0x51/0x1e0
[ 586.760720][T12095] vfs_get_tree+0x92/0x2a0
[ 586.760738][T12095] do_new_mount+0x341/0xd30
[ 586.760757][T12095] ? apparmor_capable+0x126/0x170
[ 586.760778][T12095] ? __pfx_do_new_mount+0x10/0x10
[ 586.760796][T12095] ? ns_capable+0x89/0xe0
[ 586.760825][T12095] ? user_path_at+0xd4/0x160
[ 586.760843][T12095] __se_sys_mount+0x31d/0x420
[ 586.760870][T12095] ? __pfx___se_sys_mount+0x10/0x10
[ 586.760889][T12095] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 586.760911][T12095] ? __x64_sys_mount+0x20/0xc0
[ 586.760929][T12095] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 586.760946][T12095] do_syscall_64+0x15f/0xf80
[ 586.760964][T12095] ? trace_irq_disable+0x3b/0x140
[ 586.760983][T12095] ? clear_bhb_loop+0x40/0x90
[ 586.761001][T12095] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 586.761018][T12095] RIP: 0033:0x7f17b109cf5a
[ 586.761032][T12095] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 586.761044][T12095] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 586.761061][T12095] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 586.761072][T12095] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 586.761082][T12095] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 586.761092][T12095] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 586.761101][T12095] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 586.761127][T12095]
[ 586.761151][T12095] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 587.056931][T12100] loop3: detected capacity change from 0 to 32768
executing program
executing program
executing program
[ 587.271767][T12095] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 587.293893][T12100] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 587.305868][T12100] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 587.979920][T12105] loop4: detected capacity change from 0 to 32768
executing program
[ 588.036837][T12105] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 588.061992][T12105] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 588.159959][T12122] loop2: detected capacity change from 0 to 32768
[ 588.220064][T12122] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 588.230414][T12112] loop0: detected capacity change from 0 to 32768
[ 588.259244][T12122] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 588.273904][T12112] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 588.313254][T12112] CPU: 0 UID: 0 PID: 12112 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 588.313282][T12112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 588.313292][T12112] Call Trace:
[ 588.313298][T12112]
[ 588.313305][T12112] dump_stack_lvl+0xe8/0x150
[ 588.313332][T12112] sysfs_create_dir_ns+0x271/0x2a0
[ 588.313355][T12112] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 588.313376][T12112] ? do_raw_spin_unlock+0xf5/0x210
executing program
[ 588.313398][T12112] kobject_add_internal+0x62b/0xd00
[ 588.313427][T12112] kobject_init_and_add+0x12b/0x1a0
[ 588.313451][T12112] ? __pfx_kobject_init_and_add+0x10/0x10
[ 588.313472][T12112] ? __raw_spin_lock_init+0x45/0x100
[ 588.313489][T12112] ? __init_swait_queue_head+0xa9/0x150
[ 588.313509][T12112] gfs2_sys_fs_add+0x257/0x480
[ 588.313527][T12112] ? is_dynamic_key+0x1ac/0x1c0
[ 588.313547][T12112] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 588.313572][T12112] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 588.313600][T12112] gfs2_fill_super+0x13a7/0x21d0
[ 588.313628][T12112] ? __pfx_gfs2_fill_super+0x10/0x10
[ 588.313654][T12112] ? sb_set_blocksize+0x155/0x240
[ 588.313677][T12112] ? setup_bdev_super+0x4c1/0x5b0
[ 588.313696][T12112] get_tree_bdev_flags+0x431/0x4f0
[ 588.313712][T12112] ? __pfx_gfs2_fill_super+0x10/0x10
[ 588.313725][T12112] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 588.313739][T12112] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 588.313764][T12112] gfs2_get_tree+0x51/0x1e0
[ 588.313781][T12112] vfs_get_tree+0x92/0x2a0
[ 588.313798][T12112] do_new_mount+0x341/0xd30
[ 588.313816][T12112] ? apparmor_capable+0x126/0x170
[ 588.313835][T12112] ? __pfx_do_new_mount+0x10/0x10
[ 588.313853][T12112] ? ns_capable+0x89/0xe0
[ 588.313882][T12112] ? user_path_at+0xd4/0x160
[ 588.313903][T12112] __se_sys_mount+0x31d/0x420
[ 588.313927][T12112] ? __pfx___se_sys_mount+0x10/0x10
[ 588.313950][T12112] ? __x64_sys_mount+0x20/0xc0
[ 588.313968][T12112] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.313984][T12112] do_syscall_64+0x15f/0xf80
[ 588.314002][T12112] ? trace_irq_disable+0x3b/0x140
[ 588.314020][T12112] ? clear_bhb_loop+0x40/0x90
[ 588.314038][T12112] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 588.314056][T12112] RIP: 0033:0x7f17b109cf5a
[ 588.314071][T12112] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 588.314083][T12112] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 588.314099][T12112] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 588.314110][T12112] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 588.314120][T12112] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 588.314130][T12112] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 588.314140][T12112] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 588.314165][T12112]
[ 588.314343][T12112] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 588.932610][T12112] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 589.024718][T12127] loop3: detected capacity change from 0 to 32768
[ 589.094480][T12127] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 589.166556][T12127] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 589.183888][T12142] loop2: detected capacity change from 0 to 32768
executing program
[ 589.237491][T12142] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 589.255114][T12126] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 589.271962][T12142] CPU: 1 UID: 0 PID: 12142 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 589.271988][T12142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 589.271999][T12142] Call Trace:
[ 589.272007][T12142]
[ 589.272014][T12142] dump_stack_lvl+0xe8/0x150
[ 589.272044][T12142] sysfs_create_dir_ns+0x271/0x2a0
[ 589.272069][T12142] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 589.272092][T12142] ? do_raw_spin_unlock+0xf5/0x210
[ 589.272122][T12142] kobject_add_internal+0x62b/0xd00
[ 589.272153][T12142] kobject_init_and_add+0x12b/0x1a0
[ 589.272179][T12142] ? __pfx_kobject_init_and_add+0x10/0x10
[ 589.272200][T12142] ? __raw_spin_lock_init+0x45/0x100
[ 589.272220][T12142] ? __init_swait_queue_head+0xa9/0x150
[ 589.272248][T12142] gfs2_sys_fs_add+0x257/0x480
[ 589.272267][T12142] ? is_dynamic_key+0x1ac/0x1c0
[ 589.272286][T12142] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 589.272313][T12142] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 589.272344][T12142] gfs2_fill_super+0x13a7/0x21d0
[ 589.272376][T12142] ? __pfx_gfs2_fill_super+0x10/0x10
[ 589.272396][T12142] ? sb_set_blocksize+0x155/0x240
[ 589.272421][T12142] ? setup_bdev_super+0x4c1/0x5b0
[ 589.272443][T12142] get_tree_bdev_flags+0x431/0x4f0
[ 589.272461][T12142] ? __pfx_gfs2_fill_super+0x10/0x10
[ 589.272477][T12142] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 589.272491][T12142] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 589.272518][T12142] gfs2_get_tree+0x51/0x1e0
[ 589.272537][T12142] vfs_get_tree+0x92/0x2a0
[ 589.272558][T12142] do_new_mount+0x341/0xd30
[ 589.272581][T12142] ? apparmor_capable+0x126/0x170
[ 589.272603][T12142] ? __pfx_do_new_mount+0x10/0x10
[ 589.272623][T12142] ? ns_capable+0x89/0xe0
[ 589.272654][T12142] ? user_path_at+0xd4/0x160
[ 589.272672][T12142] __se_sys_mount+0x31d/0x420
[ 589.272698][T12142] ? __pfx___se_sys_mount+0x10/0x10
[ 589.272724][T12142] ? __x64_sys_mount+0x20/0xc0
[ 589.272744][T12142] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.272762][T12142] do_syscall_64+0x15f/0xf80
[ 589.272783][T12142] ? trace_irq_disable+0x3b/0x140
[ 589.272801][T12142] ? clear_bhb_loop+0x40/0x90
[ 589.272821][T12142] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 589.272837][T12142] RIP: 0033:0x7f17b109cf5a
[ 589.272854][T12142] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 589.272868][T12142] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 589.272886][T12142] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 589.272898][T12142] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 589.272910][T12142] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 589.272921][T12142] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 589.272932][T12142] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 589.272955][T12142]
[ 589.272989][T12142] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 589.302894][T12126] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 589.306500][T12142] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 590.067878][T12136] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 590.106961][T12136] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 590.449265][T12152] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 590.486755][T12152] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 590.637662][T12144] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 590.679764][T12144] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 590.881418][T12151] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 590.903366][T12151] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 591.292716][T12153] set_capacity_and_notify: 5 callbacks suppressed
[ 591.292734][T12153] loop2: detected capacity change from 0 to 32768
[ 591.391826][T12153] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 591.422248][T12153] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 591.748573][T12159] loop1: detected capacity change from 0 to 32768
[ 591.794078][T12159] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 591.817309][T12158] loop4: detected capacity change from 0 to 32768
[ 591.831972][T12159] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 591.865003][T12158] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 591.897186][T12158] CPU: 1 UID: 0 PID: 12158 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 591.897211][T12158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 591.897221][T12158] Call Trace:
[ 591.897229][T12158]
[ 591.897236][T12158] dump_stack_lvl+0xe8/0x150
[ 591.897274][T12158] sysfs_create_dir_ns+0x271/0x2a0
[ 591.897301][T12158] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 591.897326][T12158] ? do_raw_spin_unlock+0xf5/0x210
[ 591.897350][T12158] kobject_add_internal+0x62b/0xd00
[ 591.897381][T12158] kobject_init_and_add+0x12b/0x1a0
[ 591.897405][T12158] ? __pfx_kobject_init_and_add+0x10/0x10
[ 591.897427][T12158] ? __raw_spin_lock_init+0x45/0x100
[ 591.897446][T12158] ? __init_swait_queue_head+0xa9/0x150
[ 591.897466][T12158] gfs2_sys_fs_add+0x257/0x480
[ 591.897486][T12158] ? is_dynamic_key+0x1ac/0x1c0
[ 591.897508][T12158] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 591.897535][T12158] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 591.897565][T12158] gfs2_fill_super+0x13a7/0x21d0
[ 591.897592][T12158] ? __pfx_gfs2_fill_super+0x10/0x10
[ 591.897611][T12158] ? sb_set_blocksize+0x155/0x240
[ 591.897637][T12158] ? setup_bdev_super+0x4c1/0x5b0
[ 591.897658][T12158] get_tree_bdev_flags+0x431/0x4f0
[ 591.897676][T12158] ? __pfx_gfs2_fill_super+0x10/0x10
[ 591.897692][T12158] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 591.897708][T12158] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 591.897734][T12158] gfs2_get_tree+0x51/0x1e0
[ 591.897752][T12158] vfs_get_tree+0x92/0x2a0
[ 591.897771][T12158] do_new_mount+0x341/0xd30
[ 591.897791][T12158] ? apparmor_capable+0x126/0x170
[ 591.897813][T12158] ? __pfx_do_new_mount+0x10/0x10
[ 591.897833][T12158] ? ns_capable+0x89/0xe0
[ 591.897865][T12158] ? user_path_at+0xd4/0x160
[ 591.897884][T12158] __se_sys_mount+0x31d/0x420
[ 591.897911][T12158] ? __pfx___se_sys_mount+0x10/0x10
[ 591.897937][T12158] ? __x64_sys_mount+0x20/0xc0
[ 591.897956][T12158] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.897975][T12158] do_syscall_64+0x15f/0xf80
[ 591.897995][T12158] ? trace_irq_disable+0x3b/0x140
[ 591.898013][T12158] ? clear_bhb_loop+0x40/0x90
[ 591.898033][T12158] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 591.898050][T12158] RIP: 0033:0x7f17b109cf5a
[ 591.898067][T12158] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 591.898080][T12158] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 591.898099][T12158] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 591.898111][T12158] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 591.898123][T12158] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 591.898138][T12158] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 591.898149][T12158] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 591.898176][T12158]
[ 591.898209][T12158] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 592.226893][T12162] loop0: detected capacity change from 0 to 32768
[ 592.246762][T12158] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 592.278099][T12162] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 592.303806][T12162] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 592.375172][T12165] loop3: detected capacity change from 0 to 32768
[ 592.424750][T12165] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 592.475618][T12165] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
executing program
[ 592.908953][T12168] loop2: detected capacity change from 0 to 32768
[ 592.961523][T12168] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 593.007205][T12168] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 593.259913][T12173] loop1: detected capacity change from 0 to 32768
executing program
[ 593.306022][T12173] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 593.314416][T12173] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 593.768700][T12178] loop3: detected capacity change from 0 to 32768
[ 593.802876][T12178] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 593.847841][T12178] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 593.872662][T12179] loop4: detected capacity change from 0 to 32768
[ 593.916485][T12179] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 593.964990][T12179] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 594.086013][T12180] loop0: detected capacity change from 0 to 32768
[ 594.132682][T12180] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 594.180585][T12180] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 594.297938][T12183] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 594.343007][T12183] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 594.769352][T12186] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 594.806480][T12186] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 595.308351][T12192] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 595.338392][T12192] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 595.404488][T12189] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 595.426538][T12189] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 595.624615][T12197] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 595.670958][T12197] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 595.881349][T12198] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 595.956644][T12198] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 596.313380][T12201] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 596.331797][T12201] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 596.613251][T12206] set_capacity_and_notify: 7 callbacks suppressed
[ 596.613267][T12206] loop4: detected capacity change from 0 to 32768
[ 596.674842][T12206] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 596.712216][T12206] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 596.937990][T12207] loop3: detected capacity change from 0 to 32768
[ 596.987544][T12207] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 597.058157][T12207] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 597.129129][T12213] loop2: detected capacity change from 0 to 32768
[ 597.167108][T12213] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 597.222250][T12213] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 597.337114][T12210] loop0: detected capacity change from 0 to 32768
[ 597.382322][T12210] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 597.412998][T12210] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 597.661016][T12216] loop1: detected capacity change from 0 to 32768
[ 597.730777][T12216] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 597.766842][T12216] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 598.148866][T12219] loop4: detected capacity change from 0 to 32768
[ 598.182000][T12219] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 598.212938][T12219] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 598.447670][T12224] loop3: detected capacity change from 0 to 32768
[ 598.488729][T12224] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 598.526840][T12224] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 598.686193][T12227] loop0: detected capacity change from 0 to 32768
[ 598.737627][T12227] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 598.799113][T12227] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 598.947254][T12228] loop2: detected capacity change from 0 to 32768
[ 598.993462][T12228] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 599.027358][T12228] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 599.107466][T12231] loop1: detected capacity change from 0 to 32768
[ 599.182625][T12231] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 599.235579][T12231] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
executing program
[ 599.578049][T12234] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 599.600601][T12234] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 600.034219][T12237] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 600.042656][T12237] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 600.260028][T12240] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 600.300292][T12240] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 600.323120][T12243] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 600.335861][T12243] CPU: 0 UID: 0 PID: 12243 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 600.335886][T12243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 600.335896][T12243] Call Trace:
[ 600.335904][T12243]
[ 600.335911][T12243] dump_stack_lvl+0xe8/0x150
[ 600.335940][T12243] sysfs_create_dir_ns+0x271/0x2a0
[ 600.335965][T12243] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 600.335988][T12243] ? do_raw_spin_unlock+0xf5/0x210
[ 600.336011][T12243] kobject_add_internal+0x62b/0xd00
[ 600.336042][T12243] kobject_init_and_add+0x12b/0x1a0
[ 600.336070][T12243] ? __pfx_kobject_init_and_add+0x10/0x10
executing program
[ 600.336094][T12243] ? __raw_spin_lock_init+0x45/0x100
[ 600.336124][T12243] ? __init_swait_queue_head+0xa9/0x150
[ 600.336146][T12243] gfs2_sys_fs_add+0x257/0x480
[ 600.336166][T12243] ? is_dynamic_key+0x1ac/0x1c0
[ 600.336187][T12243] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 600.336215][T12243] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 600.336246][T12243] gfs2_fill_super+0x13a7/0x21d0
[ 600.336278][T12243] ? __pfx_gfs2_fill_super+0x10/0x10
[ 600.336298][T12243] ? sb_set_blocksize+0x155/0x240
[ 600.336323][T12243] ? setup_bdev_super+0x4c1/0x5b0
[ 600.336345][T12243] get_tree_bdev_flags+0x431/0x4f0
[ 600.336366][T12243] ? __pfx_gfs2_fill_super+0x10/0x10
[ 600.336381][T12243] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 600.336396][T12243] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 600.336424][T12243] gfs2_get_tree+0x51/0x1e0
[ 600.336444][T12243] vfs_get_tree+0x92/0x2a0
[ 600.336464][T12243] do_new_mount+0x341/0xd30
[ 600.336484][T12243] ? apparmor_capable+0x126/0x170
[ 600.336506][T12243] ? __pfx_do_new_mount+0x10/0x10
[ 600.336527][T12243] ? ns_capable+0x89/0xe0
[ 600.336558][T12243] ? user_path_at+0xd4/0x160
[ 600.336577][T12243] __se_sys_mount+0x31d/0x420
[ 600.336603][T12243] ? __pfx___se_sys_mount+0x10/0x10
[ 600.336630][T12243] ? __x64_sys_mount+0x20/0xc0
[ 600.336650][T12243] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.336668][T12243] do_syscall_64+0x15f/0xf80
[ 600.336687][T12243] ? trace_irq_disable+0x3b/0x140
[ 600.336706][T12243] ? clear_bhb_loop+0x40/0x90
[ 600.336726][T12243] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 600.336742][T12243] RIP: 0033:0x7f17b109cf5a
[ 600.336758][T12243] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 600.336772][T12243] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 600.336790][T12243] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 600.336802][T12243] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 600.336813][T12243] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 600.336824][T12243] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 600.336835][T12243] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 600.336862][T12243]
[ 600.336896][T12243] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 600.764294][T12243] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 600.795796][T12249] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 600.824587][T12249] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 600.978391][T12246] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 601.016852][T12246] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 601.704754][T12252] set_capacity_and_notify: 6 callbacks suppressed
[ 601.704771][T12252] loop3: detected capacity change from 0 to 32768
[ 601.762163][T12252] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 601.806315][T12252] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 601.839928][T12257] loop0: detected capacity change from 0 to 32768
[ 601.879430][T12257] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 601.932465][T12257] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 602.077484][T12260] loop2: detected capacity change from 0 to 32768
[ 602.122995][T12260] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 602.160830][T12261] loop4: detected capacity change from 0 to 32768
[ 602.176756][T12260] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 602.201894][T12261] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 602.260264][T12261] CPU: 1 UID: 0 PID: 12261 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 602.260289][T12261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 602.260300][T12261] Call Trace:
[ 602.260307][T12261]
[ 602.260315][T12261] dump_stack_lvl+0xe8/0x150
[ 602.260345][T12261] sysfs_create_dir_ns+0x271/0x2a0
[ 602.260371][T12261] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 602.260395][T12261] ? do_raw_spin_unlock+0xf5/0x210
[ 602.260418][T12261] kobject_add_internal+0x62b/0xd00
[ 602.260451][T12261] kobject_init_and_add+0x12b/0x1a0
[ 602.260478][T12261] ? __pfx_kobject_init_and_add+0x10/0x10
[ 602.260502][T12261] ? __raw_spin_lock_init+0x45/0x100
[ 602.260522][T12261] ? __init_swait_queue_head+0xa9/0x150
[ 602.260557][T12261] gfs2_sys_fs_add+0x257/0x480
[ 602.260578][T12261] ? is_dynamic_key+0x1ac/0x1c0
[ 602.260600][T12261] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 602.260628][T12261] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 602.260659][T12261] gfs2_fill_super+0x13a7/0x21d0
[ 602.260691][T12261] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.260712][T12261] ? sb_set_blocksize+0x155/0x240
[ 602.260737][T12261] ? setup_bdev_super+0x4c1/0x5b0
[ 602.260759][T12261] get_tree_bdev_flags+0x431/0x4f0
[ 602.260777][T12261] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.260792][T12261] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 602.260808][T12261] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 602.260835][T12261] gfs2_get_tree+0x51/0x1e0
[ 602.260854][T12261] vfs_get_tree+0x92/0x2a0
[ 602.260874][T12261] do_new_mount+0x341/0xd30
[ 602.260893][T12261] ? apparmor_capable+0x126/0x170
[ 602.260916][T12261] ? __pfx_do_new_mount+0x10/0x10
[ 602.260936][T12261] ? ns_capable+0x89/0xe0
[ 602.260968][T12261] ? user_path_at+0xd4/0x160
[ 602.260986][T12261] __se_sys_mount+0x31d/0x420
[ 602.261014][T12261] ? __pfx___se_sys_mount+0x10/0x10
[ 602.261050][T12261] ? __x64_sys_mount+0x20/0xc0
[ 602.261070][T12261] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.261088][T12261] do_syscall_64+0x15f/0xf80
executing program
[ 602.261108][T12261] ? trace_irq_disable+0x3b/0x140
[ 602.261127][T12261] ? clear_bhb_loop+0x40/0x90
[ 602.261148][T12261] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.261164][T12261] RIP: 0033:0x7f17b109cf5a
[ 602.261182][T12261] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 602.261196][T12261] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 602.261214][T12261] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 602.261227][T12261] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 602.261238][T12261] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 602.261250][T12261] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 602.261261][T12261] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 602.261286][T12261]
[ 602.261319][T12261] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 602.362022][T12264] loop1: detected capacity change from 0 to 32768
[ 602.636389][T12261] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 602.953348][T12264] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 602.993089][T12264] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 603.043058][T12267] loop3: detected capacity change from 0 to 32768
[ 603.087759][T12267] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 603.143584][T12267] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 603.270912][T12270] loop0: detected capacity change from 0 to 32768
[ 603.343385][T12270] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 603.382874][T12270] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 603.991032][T12275] loop2: detected capacity change from 0 to 32768
[ 604.033358][T12275] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 604.072250][T12275] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 604.237283][T12276] loop4: detected capacity change from 0 to 32768
[ 604.289422][T12276] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 604.301414][T12279] loop1: detected capacity change from 0 to 32768
[ 604.319295][T12276] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 604.349361][T12279] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 604.408832][T12279] CPU: 1 UID: 0 PID: 12279 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 604.408854][T12279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 604.408863][T12279] Call Trace:
[ 604.408870][T12279]
[ 604.408878][T12279] dump_stack_lvl+0xe8/0x150
[ 604.408904][T12279] sysfs_create_dir_ns+0x271/0x2a0
[ 604.408929][T12279] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 604.408951][T12279] ? do_raw_spin_unlock+0xf5/0x210
[ 604.408972][T12279] kobject_add_internal+0x62b/0xd00
[ 604.409003][T12279] kobject_init_and_add+0x12b/0x1a0
[ 604.409029][T12279] ? __pfx_kobject_init_and_add+0x10/0x10
[ 604.409052][T12279] ? __raw_spin_lock_init+0x45/0x100
[ 604.409070][T12279] ? __init_swait_queue_head+0xa9/0x150
[ 604.409092][T12279] gfs2_sys_fs_add+0x257/0x480
[ 604.409111][T12279] ? is_dynamic_key+0x1ac/0x1c0
[ 604.409132][T12279] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 604.409159][T12279] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 604.409189][T12279] gfs2_fill_super+0x13a7/0x21d0
[ 604.409221][T12279] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.409240][T12279] ? sb_set_blocksize+0x155/0x240
[ 604.409265][T12279] ? setup_bdev_super+0x4c1/0x5b0
[ 604.409284][T12279] get_tree_bdev_flags+0x431/0x4f0
[ 604.409301][T12279] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.409317][T12279] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 604.409331][T12279] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 604.409356][T12279] gfs2_get_tree+0x51/0x1e0
[ 604.409373][T12279] vfs_get_tree+0x92/0x2a0
[ 604.409391][T12279] do_new_mount+0x341/0xd30
[ 604.409409][T12279] ? apparmor_capable+0x126/0x170
[ 604.409429][T12279] ? __pfx_do_new_mount+0x10/0x10
[ 604.409449][T12279] ? ns_capable+0x89/0xe0
[ 604.409480][T12279] ? user_path_at+0xd4/0x160
[ 604.409497][T12279] __se_sys_mount+0x31d/0x420
[ 604.409522][T12279] ? __pfx___se_sys_mount+0x10/0x10
[ 604.409555][T12279] ? __x64_sys_mount+0x20/0xc0
[ 604.409574][T12279] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.409591][T12279] do_syscall_64+0x15f/0xf80
executing program
[ 604.409610][T12279] ? trace_irq_disable+0x3b/0x140
[ 604.409627][T12279] ? clear_bhb_loop+0x40/0x90
[ 604.409646][T12279] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.409661][T12279] RIP: 0033:0x7f17b109cf5a
[ 604.409677][T12279] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 604.409690][T12279] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 604.409708][T12279] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 604.409719][T12279] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 604.409733][T12279] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 604.409743][T12279] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 604.409754][T12279] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 604.409779][T12279]
executing program
[ 604.409812][T12279] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 604.723639][T12279] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 604.740183][T12282] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 604.839874][T12282] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 605.037051][T12285] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 605.072891][T12285] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 605.599734][T12288] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 605.646355][T12288] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 605.688572][T12296] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 605.717061][T12296] CPU: 0 UID: 0 PID: 12296 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 605.717083][T12296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 605.717092][T12296] Call Trace:
[ 605.717099][T12296]
[ 605.717107][T12296] dump_stack_lvl+0xe8/0x150
[ 605.717135][T12296] sysfs_create_dir_ns+0x271/0x2a0
[ 605.717161][T12296] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 605.717185][T12296] ? do_raw_spin_unlock+0xf5/0x210
[ 605.717209][T12296] kobject_add_internal+0x62b/0xd00
[ 605.717246][T12296] kobject_init_and_add+0x12b/0x1a0
[ 605.717273][T12296] ? __pfx_kobject_init_and_add+0x10/0x10
[ 605.717297][T12296] ? __raw_spin_lock_init+0x45/0x100
[ 605.717316][T12296] ? __init_swait_queue_head+0xa9/0x150
[ 605.717338][T12296] gfs2_sys_fs_add+0x257/0x480
[ 605.717358][T12296] ? is_dynamic_key+0x1ac/0x1c0
[ 605.717380][T12296] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 605.717407][T12296] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 605.717439][T12296] gfs2_fill_super+0x13a7/0x21d0
[ 605.717469][T12296] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.717488][T12296] ? sb_set_blocksize+0x155/0x240
[ 605.717512][T12296] ? setup_bdev_super+0x4c1/0x5b0
[ 605.717532][T12296] get_tree_bdev_flags+0x431/0x4f0
[ 605.717550][T12296] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.717566][T12296] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 605.717582][T12296] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 605.717609][T12296] gfs2_get_tree+0x51/0x1e0
[ 605.717628][T12296] vfs_get_tree+0x92/0x2a0
[ 605.717648][T12296] do_new_mount+0x341/0xd30
[ 605.717667][T12296] ? apparmor_capable+0x126/0x170
[ 605.717688][T12296] ? __pfx_do_new_mount+0x10/0x10
[ 605.717708][T12296] ? ns_capable+0x89/0xe0
[ 605.717746][T12296] ? user_path_at+0xd4/0x160
[ 605.717765][T12296] __se_sys_mount+0x31d/0x420
[ 605.717791][T12296] ? __pfx___se_sys_mount+0x10/0x10
[ 605.717817][T12296] ? __x64_sys_mount+0x20/0xc0
[ 605.717837][T12296] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.717855][T12296] do_syscall_64+0x15f/0xf80
[ 605.717874][T12296] ? trace_irq_disable+0x3b/0x140
[ 605.717894][T12296] ? clear_bhb_loop+0x40/0x90
[ 605.717914][T12296] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.717930][T12296] RIP: 0033:0x7f17b109cf5a
[ 605.717946][T12296] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 605.717961][T12296] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 605.717979][T12296] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 605.717991][T12296] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 605.718002][T12296] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
executing program
executing program
[ 605.718013][T12296] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 605.718023][T12296] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 605.718050][T12296]
[ 605.718207][T12296] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 606.023240][T12296] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 606.133116][T12293] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 606.207979][T12293] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 606.623883][T12297] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 606.657414][T12297] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 606.727092][T12300] set_capacity_and_notify: 6 callbacks suppressed
[ 606.727109][T12300] loop0: detected capacity change from 0 to 32768
[ 606.794383][T12300] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 606.827282][T12300] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 606.892223][T12306] loop1: detected capacity change from 0 to 32768
[ 606.942213][T12306] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 606.994830][T12306] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 607.471252][T12305] loop2: detected capacity change from 0 to 32768
[ 607.504493][T12305] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 607.563226][T12305] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 607.700399][T12312] loop3: detected capacity change from 0 to 32768
[ 607.749010][T12312] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 607.787454][T12309] loop4: detected capacity change from 0 to 32768
[ 607.790234][T12312] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 607.825007][T12309] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 607.872159][T12309] CPU: 0 UID: 0 PID: 12309 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 607.872185][T12309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 607.872196][T12309] Call Trace:
[ 607.872204][T12309]
[ 607.872212][T12309] dump_stack_lvl+0xe8/0x150
[ 607.872241][T12309] sysfs_create_dir_ns+0x271/0x2a0
[ 607.872267][T12309] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 607.872291][T12309] ? do_raw_spin_unlock+0xf5/0x210
[ 607.872314][T12309] kobject_add_internal+0x62b/0xd00
[ 607.872346][T12309] kobject_init_and_add+0x12b/0x1a0
[ 607.872374][T12309] ? __pfx_kobject_init_and_add+0x10/0x10
[ 607.872398][T12309] ? __raw_spin_lock_init+0x45/0x100
[ 607.872426][T12309] ? __init_swait_queue_head+0xa9/0x150
[ 607.872448][T12309] gfs2_sys_fs_add+0x257/0x480
[ 607.872468][T12309] ? is_dynamic_key+0x1ac/0x1c0
[ 607.872490][T12309] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 607.872518][T12309] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 607.872549][T12309] gfs2_fill_super+0x13a7/0x21d0
[ 607.872577][T12309] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.872597][T12309] ? sb_set_blocksize+0x155/0x240
[ 607.872622][T12309] ? setup_bdev_super+0x4c1/0x5b0
[ 607.872642][T12309] get_tree_bdev_flags+0x431/0x4f0
[ 607.872659][T12309] ? __pfx_gfs2_fill_super+0x10/0x10
[ 607.872674][T12309] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 607.872688][T12309] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 607.872713][T12309] gfs2_get_tree+0x51/0x1e0
[ 607.872731][T12309] vfs_get_tree+0x92/0x2a0
[ 607.872751][T12309] do_new_mount+0x341/0xd30
[ 607.872771][T12309] ? apparmor_capable+0x126/0x170
[ 607.872793][T12309] ? __pfx_do_new_mount+0x10/0x10
[ 607.872813][T12309] ? ns_capable+0x89/0xe0
[ 607.872843][T12309] ? user_path_at+0xd4/0x160
[ 607.872861][T12309] __se_sys_mount+0x31d/0x420
[ 607.872887][T12309] ? __pfx___se_sys_mount+0x10/0x10
[ 607.872913][T12309] ? __x64_sys_mount+0x20/0xc0
[ 607.872932][T12309] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.872950][T12309] do_syscall_64+0x15f/0xf80
executing program
[ 607.872971][T12309] ? trace_irq_disable+0x3b/0x140
[ 607.872989][T12309] ? clear_bhb_loop+0x40/0x90
[ 607.873010][T12309] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 607.873025][T12309] RIP: 0033:0x7f17b109cf5a
[ 607.873042][T12309] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 607.873055][T12309] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 607.873073][T12309] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 607.873084][T12309] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 607.873099][T12309] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 607.873110][T12309] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 607.873121][T12309] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 607.873148][T12309]
[ 607.873665][T12309] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 608.344797][T12315] loop0: detected capacity change from 0 to 32768
[ 608.456097][T12315] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 608.465332][T12315] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 608.562533][T12309] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 608.576173][T12321] loop2: detected capacity change from 0 to 32768
[ 608.636903][T12321] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 608.681689][T12321] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 608.873655][T12318] loop1: detected capacity change from 0 to 32768
executing program
[ 608.943102][T12318] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 608.960074][T12318] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 609.383495][T12326] loop3: detected capacity change from 0 to 32768
[ 609.432205][T12326] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 609.482171][T12326] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 609.920759][T12329] loop0: detected capacity change from 0 to 32768
[ 609.953715][T12329] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 609.983291][T12332] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 610.020891][T12329] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 610.044948][T12332] CPU: 0 UID: 0 PID: 12332 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 610.044975][T12332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 610.044986][T12332] Call Trace:
[ 610.044994][T12332]
[ 610.045002][T12332] dump_stack_lvl+0xe8/0x150
[ 610.045037][T12332] sysfs_create_dir_ns+0x271/0x2a0
[ 610.045063][T12332] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 610.045087][T12332] ? do_raw_spin_unlock+0xf5/0x210
[ 610.045110][T12332] kobject_add_internal+0x62b/0xd00
[ 610.045141][T12332] kobject_init_and_add+0x12b/0x1a0
[ 610.045169][T12332] ? __pfx_kobject_init_and_add+0x10/0x10
[ 610.045195][T12332] ? __raw_spin_lock_init+0x45/0x100
[ 610.045215][T12332] ? __init_swait_queue_head+0xa9/0x150
[ 610.045238][T12332] gfs2_sys_fs_add+0x257/0x480
[ 610.045262][T12332] ? is_dynamic_key+0x1ac/0x1c0
[ 610.045290][T12332] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 610.045318][T12332] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 610.045349][T12332] gfs2_fill_super+0x13a7/0x21d0
[ 610.045381][T12332] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.045402][T12332] ? sb_set_blocksize+0x155/0x240
[ 610.045428][T12332] ? setup_bdev_super+0x4c1/0x5b0
[ 610.045449][T12332] get_tree_bdev_flags+0x431/0x4f0
[ 610.045468][T12332] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.045484][T12332] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 610.045499][T12332] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 610.045526][T12332] gfs2_get_tree+0x51/0x1e0
[ 610.045546][T12332] vfs_get_tree+0x92/0x2a0
[ 610.045566][T12332] do_new_mount+0x341/0xd30
[ 610.045586][T12332] ? apparmor_capable+0x126/0x170
[ 610.045608][T12332] ? __pfx_do_new_mount+0x10/0x10
[ 610.045627][T12332] ? ns_capable+0x89/0xe0
[ 610.045658][T12332] ? user_path_at+0xd4/0x160
[ 610.045676][T12332] __se_sys_mount+0x31d/0x420
[ 610.045707][T12332] ? __pfx___se_sys_mount+0x10/0x10
[ 610.045733][T12332] ? __x64_sys_mount+0x20/0xc0
[ 610.045752][T12332] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.045770][T12332] do_syscall_64+0x15f/0xf80
[ 610.045790][T12332] ? trace_irq_disable+0x3b/0x140
[ 610.045828][T12332] ? clear_bhb_loop+0x40/0x90
[ 610.045848][T12332] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.045864][T12332] RIP: 0033:0x7f17b109cf5a
[ 610.045880][T12332] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 610.045894][T12332] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 610.045912][T12332] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 610.045925][T12332] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 610.045936][T12332] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 610.045947][T12332] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 610.045958][T12332] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 610.045985][T12332]
[ 610.046020][T12332] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 610.358451][T12332] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 610.381012][T12335] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 610.389765][T12335] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
executing program
[ 610.433284][T12339] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 610.535111][T12339] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 610.595028][T12336] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 610.625906][T12336] CPU: 1 UID: 0 PID: 12336 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 610.625928][T12336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 610.625939][T12336] Call Trace:
[ 610.625946][T12336]
[ 610.625954][T12336] dump_stack_lvl+0xe8/0x150
[ 610.625983][T12336] sysfs_create_dir_ns+0x271/0x2a0
[ 610.626010][T12336] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 610.626034][T12336] ? do_raw_spin_unlock+0xf5/0x210
[ 610.626057][T12336] kobject_add_internal+0x62b/0xd00
[ 610.626086][T12336] kobject_init_and_add+0x12b/0x1a0
[ 610.626116][T12336] ? __pfx_kobject_init_and_add+0x10/0x10
[ 610.626147][T12336] ? __raw_spin_lock_init+0x45/0x100
[ 610.626167][T12336] ? __init_swait_queue_head+0xa9/0x150
[ 610.626188][T12336] gfs2_sys_fs_add+0x257/0x480
[ 610.626208][T12336] ? is_dynamic_key+0x1ac/0x1c0
[ 610.626231][T12336] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 610.626259][T12336] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 610.626291][T12336] gfs2_fill_super+0x13a7/0x21d0
[ 610.626322][T12336] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.626343][T12336] ? sb_set_blocksize+0x155/0x240
[ 610.626367][T12336] ? setup_bdev_super+0x4c1/0x5b0
[ 610.626388][T12336] get_tree_bdev_flags+0x431/0x4f0
[ 610.626406][T12336] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.626422][T12336] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 610.626437][T12336] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 610.626464][T12336] gfs2_get_tree+0x51/0x1e0
[ 610.626483][T12336] vfs_get_tree+0x92/0x2a0
[ 610.626503][T12336] do_new_mount+0x341/0xd30
[ 610.626523][T12336] ? apparmor_capable+0x126/0x170
[ 610.626544][T12336] ? __pfx_do_new_mount+0x10/0x10
[ 610.626564][T12336] ? ns_capable+0x89/0xe0
[ 610.626595][T12336] ? user_path_at+0xd4/0x160
[ 610.626613][T12336] __se_sys_mount+0x31d/0x420
[ 610.626640][T12336] ? __pfx___se_sys_mount+0x10/0x10
[ 610.626666][T12336] ? __x64_sys_mount+0x20/0xc0
[ 610.626686][T12336] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.626704][T12336] do_syscall_64+0x15f/0xf80
[ 610.626725][T12336] ? trace_irq_disable+0x3b/0x140
[ 610.626744][T12336] ? clear_bhb_loop+0x40/0x90
[ 610.626764][T12336] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.626780][T12336] RIP: 0033:0x7f17b109cf5a
[ 610.626796][T12336] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 610.626810][T12336] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 610.626828][T12336] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 610.626840][T12336] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
executing program
[ 610.626852][T12336] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 610.626863][T12336] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 610.626873][T12336] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 610.626899][T12336]
[ 610.627016][T12336] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
executing program
[ 610.944509][T12336] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 611.902305][T12349] set_capacity_and_notify: 4 callbacks suppressed
[ 611.902323][T12349] loop2: detected capacity change from 0 to 32768
[ 611.935378][T12350] loop4: detected capacity change from 0 to 32768
[ 611.949473][T12344] loop0: detected capacity change from 0 to 32768
[ 611.964972][T12354] loop1: detected capacity change from 0 to 32768
[ 611.976336][T12349] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 611.985140][T12353] loop3: detected capacity change from 0 to 32768
[ 611.994581][T12350] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 611.997287][T12344] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 612.011949][T12344] CPU: 1 UID: 0 PID: 12344 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 612.011973][T12344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 612.011983][T12344] Call Trace:
[ 612.011989][T12344]
[ 612.012006][T12344] dump_stack_lvl+0xe8/0x150
[ 612.012033][T12344] sysfs_create_dir_ns+0x271/0x2a0
[ 612.012057][T12344] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 612.012080][T12344] ? do_raw_spin_unlock+0xf5/0x210
[ 612.012103][T12344] kobject_add_internal+0x62b/0xd00
[ 612.012133][T12344] kobject_init_and_add+0x12b/0x1a0
[ 612.012159][T12344] ? __pfx_kobject_init_and_add+0x10/0x10
[ 612.012183][T12344] ? __raw_spin_lock_init+0x45/0x100
[ 612.012199][T12344] ? __init_swait_queue_head+0xa9/0x150
[ 612.012220][T12344] gfs2_sys_fs_add+0x257/0x480
[ 612.012240][T12344] ? is_dynamic_key+0x1ac/0x1c0
[ 612.012261][T12344] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 612.012288][T12344] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 612.012320][T12344] gfs2_fill_super+0x13a7/0x21d0
[ 612.012350][T12344] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.012369][T12344] ? sb_set_blocksize+0x155/0x240
[ 612.012394][T12344] ? setup_bdev_super+0x4c1/0x5b0
[ 612.012417][T12344] get_tree_bdev_flags+0x431/0x4f0
[ 612.012435][T12344] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.012452][T12344] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 612.012467][T12344] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 612.012492][T12344] gfs2_get_tree+0x51/0x1e0
[ 612.012510][T12344] vfs_get_tree+0x92/0x2a0
[ 612.012530][T12344] do_new_mount+0x341/0xd30
[ 612.012549][T12344] ? apparmor_capable+0x126/0x170
[ 612.012570][T12344] ? __pfx_do_new_mount+0x10/0x10
[ 612.012588][T12344] ? ns_capable+0x89/0xe0
[ 612.012617][T12344] ? user_path_at+0xd4/0x160
[ 612.012632][T12344] __se_sys_mount+0x31d/0x420
[ 612.012657][T12344] ? __pfx___se_sys_mount+0x10/0x10
[ 612.012681][T12344] ? __x64_sys_mount+0x20/0xc0
[ 612.012699][T12344] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.012716][T12344] do_syscall_64+0x15f/0xf80
[ 612.012735][T12344] ? trace_irq_disable+0x3b/0x140
[ 612.012754][T12344] ? clear_bhb_loop+0x40/0x90
[ 612.012774][T12344] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.012789][T12344] RIP: 0033:0x7f17b109cf5a
[ 612.012805][T12344] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 612.012818][T12344] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 612.012840][T12344] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 612.012851][T12344] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 612.012861][T12344] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 612.012872][T12344] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 612.012882][T12344] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 612.012909][T12344]
[ 612.012944][T12344] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 612.027429][T12349] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 612.033145][T12344] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 612.047676][T12350] CPU: 0 UID: 0 PID: 12350 Comm: syz-executor279 Not tainted syzkaller #0 PREEMPT(full)
[ 612.047699][T12350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
[ 612.047709][T12350] Call Trace:
[ 612.047716][T12350]
[ 612.047724][T12350] dump_stack_lvl+0xe8/0x150
[ 612.047761][T12350] sysfs_create_dir_ns+0x271/0x2a0
[ 612.047786][T12350] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 612.047809][T12350] ? do_raw_spin_unlock+0xf5/0x210
[ 612.047831][T12350] kobject_add_internal+0x62b/0xd00
[ 612.047862][T12350] kobject_init_and_add+0x12b/0x1a0
[ 612.047889][T12350] ? __pfx_kobject_init_and_add+0x10/0x10
[ 612.047911][T12350] ? __raw_spin_lock_init+0x45/0x100
[ 612.047930][T12350] ? __init_swait_queue_head+0xa9/0x150
[ 612.047950][T12350] gfs2_sys_fs_add+0x257/0x480
[ 612.047973][T12350] ? is_dynamic_key+0x1ac/0x1c0
[ 612.047994][T12350] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 612.048020][T12350] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 612.048051][T12350] gfs2_fill_super+0x13a7/0x21d0
[ 612.048080][T12350] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.048099][T12350] ? sb_set_blocksize+0x155/0x240
[ 612.048123][T12350] ? setup_bdev_super+0x4c1/0x5b0
[ 612.048143][T12350] get_tree_bdev_flags+0x431/0x4f0
executing program
[ 612.048161][T12350] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.048176][T12350] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 612.048191][T12350] ? __pfx_vfs_parse_comma_sep+0x10/0x10
[ 612.048217][T12350] gfs2_get_tree+0x51/0x1e0
[ 612.048235][T12350] vfs_get_tree+0x92/0x2a0
[ 612.048254][T12350] do_new_mount+0x341/0xd30
[ 612.048274][T12350] ? apparmor_capable+0x126/0x170
[ 612.048295][T12350] ? __pfx_do_new_mount+0x10/0x10
[ 612.048315][T12350] ? ns_capable+0x89/0xe0
[ 612.048356][T12350] ? user_path_at+0xd4/0x160
[ 612.048373][T12350] __se_sys_mount+0x31d/0x420
[ 612.048398][T12350] ? __pfx___se_sys_mount+0x10/0x10
[ 612.048423][T12350] ? __x64_sys_mount+0x20/0xc0
[ 612.048442][T12350] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.048459][T12350] do_syscall_64+0x15f/0xf80
[ 612.048479][T12350] ? trace_irq_disable+0x3b/0x140
[ 612.048497][T12350] ? clear_bhb_loop+0x40/0x90
[ 612.048516][T12350] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.048531][T12350] RIP: 0033:0x7f17b109cf5a
executing program
executing program
[ 612.048547][T12350] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 34 2b 0a 00 00 00 00 00 eb 96 e8 61 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48
[ 612.048559][T12350] RSP: 002b:00007ffcbcb435f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 612.048577][T12350] RAX: ffffffffffffffda RBX: 00007ffcbcb43610 RCX: 00007f17b109cf5a
[ 612.048588][T12350] RDX: 0000200000000000 RSI: 0000200000000400 RDI: 00007ffcbcb43610
[ 612.048599][T12350] RBP: 0000200000000400 R08: 00007ffcbcb43650 R09: 00007ffcbcb43650
[ 612.048610][T12350] R10: 0000000000008c1b R11: 0000000000000246 R12: 0000200000000000
[ 612.048620][T12350] R13: 0000000000000004 R14: 0000000000000003 R15: 00007ffcbcb43650
[ 612.048644][T12350]
[ 612.048677][T12350] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 612.116098][T12354] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 612.121574][T12350] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 612.126630][T12354] gfs2: fsid=syz:syz: unknown hostdata (0aU q|D)
[ 612.373625][T12353] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"