:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 596.582812][T11003] loop4: detected capacity change from 0 to 32768
[ 596.790543][T11004] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 596.968035][T11003] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 597.041732][T11003] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 597.149730][T11003] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 597.210329][ T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 597.217599][ T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
executing program
[ 597.417116][ T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 199ms
[ 597.444123][T11020] loop2: detected capacity change from 0 to 32768
[ 597.451536][ T24] gfs2: fsid=syz:syz.0: jid=0: Done
[ 597.456884][T11003] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 597.500995][T11020] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 597.508436][T11020] CPU: 1 UID: 0 PID: 11020 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 597.508465][T11020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 597.508479][T11020] Call Trace:
[ 597.508487][T11020]
[ 597.508496][T11020] dump_stack_lvl+0x189/0x250
[ 597.508528][T11020] ? __pfx_dump_stack_lvl+0x10/0x10
[ 597.508551][T11020] ? __pfx__printk+0x10/0x10
[ 597.508583][T11020] ? kernfs_path_from_node+0x250/0x290
[ 597.508602][T11020] ? kernfs_path_from_node+0x2f/0x290
[ 597.508626][T11020] sysfs_create_dir_ns+0x259/0x280
[ 597.508660][T11020] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 597.508692][T11020] ? do_raw_spin_unlock+0x122/0x240
[ 597.508720][T11020] kobject_add_internal+0x59f/0xb40
[ 597.508749][T11020] kobject_init_and_add+0x125/0x190
[ 597.508785][T11020] ? __pfx_kobject_init_and_add+0x10/0x10
[ 597.508821][T11020] ? __raw_spin_lock_init+0x45/0x100
[ 597.508840][T11020] ? __init_swait_queue_head+0xa9/0x150
[ 597.508861][T11020] gfs2_sys_fs_add+0x234/0x450
[ 597.508891][T11020] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 597.508921][T11020] ? is_dynamic_key+0xd6/0x1c0
[ 597.508943][T11020] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 597.508976][T11020] gfs2_fill_super+0x13c0/0x20d0
[ 597.509012][T11020] ? __pfx_gfs2_fill_super+0x10/0x10
[ 597.509040][T11020] ? sb_set_blocksize+0x104/0x180
[ 597.509066][T11020] ? setup_bdev_super+0x4c1/0x5b0
[ 597.509091][T11020] get_tree_bdev_flags+0x40b/0x4d0
[ 597.509113][T11020] ? __pfx_gfs2_fill_super+0x10/0x10
[ 597.509132][T11020] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 597.509167][T11020] gfs2_get_tree+0x51/0x1e0
[ 597.509202][T11020] vfs_get_tree+0x8f/0x2b0
[ 597.509227][T11020] do_new_mount+0x2a2/0x9e0
[ 597.509258][T11020] ? ns_capable+0x8a/0xf0
[ 597.509285][T11020] ? __pfx_do_new_mount+0x10/0x10
[ 597.509311][T11020] ? path_mount+0x61c/0xfe0
[ 597.509335][T11020] ? user_path_at+0x44/0x60
[ 597.509361][T11020] __se_sys_mount+0x317/0x410
[ 597.509393][T11020] ? __pfx___se_sys_mount+0x10/0x10
[ 597.509423][T11020] ? do_syscall_64+0xbe/0x3b0
[ 597.509447][T11020] ? __x64_sys_mount+0x20/0xc0
[ 597.509476][T11020] do_syscall_64+0xfa/0x3b0
[ 597.509503][T11020] ? lockdep_hardirqs_on+0x9c/0x150
[ 597.509530][T11020] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 597.509550][T11020] ? clear_bhb_loop+0x60/0xb0
[ 597.509573][T11020] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 597.509593][T11020] RIP: 0033:0x7f55bc2b5f4a
[ 597.509611][T11020] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 597.509629][T11020] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 597.509651][T11020] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 597.509665][T11020] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 597.509680][T11020] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 597.509694][T11020] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 597.509705][T11020] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 597.509734][T11020]
[ 597.841131][T11020] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 597.937899][T11020] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 598.202590][T11036] loop1: detected capacity change from 0 to 32768
[ 598.319802][T11036] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 598.375977][T11036] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 598.503971][T11036] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 598.542214][ T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 598.562475][ T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
executing program
[ 598.842937][ T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 280ms
[ 598.864076][ T24] gfs2: fsid=syz:syz.0: jid=0: Done
[ 598.881218][T11036] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 598.960855][T11039] loop0: detected capacity change from 0 to 32768
[ 598.967198][T11029] loop3: detected capacity change from 0 to 32768
[ 598.994958][T11039] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 599.019016][T11039] CPU: 1 UID: 0 PID: 11039 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 599.019042][T11039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 599.019064][T11039] Call Trace:
[ 599.019071][T11039]
[ 599.019080][T11039] dump_stack_lvl+0x189/0x250
[ 599.019111][T11039] ? __pfx_dump_stack_lvl+0x10/0x10
[ 599.019132][T11039] ? __pfx__printk+0x10/0x10
[ 599.019162][T11039] ? kernfs_path_from_node+0x250/0x290
[ 599.019181][T11039] ? kernfs_path_from_node+0x2f/0x290
[ 599.019202][T11039] sysfs_create_dir_ns+0x259/0x280
[ 599.019234][T11039] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 599.019266][T11039] ? do_raw_spin_unlock+0x122/0x240
[ 599.019290][T11039] kobject_add_internal+0x59f/0xb40
[ 599.019315][T11039] kobject_init_and_add+0x125/0x190
[ 599.019349][T11039] ? __pfx_kobject_init_and_add+0x10/0x10
[ 599.019379][T11039] ? __raw_spin_lock_init+0x45/0x100
[ 599.019406][T11039] ? __init_swait_queue_head+0xa9/0x150
[ 599.019431][T11039] gfs2_sys_fs_add+0x234/0x450
[ 599.019460][T11039] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 599.019495][T11039] ? is_dynamic_key+0xd6/0x1c0
[ 599.019519][T11039] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 599.019556][T11039] gfs2_fill_super+0x13c0/0x20d0
[ 599.019596][T11039] ? __pfx_gfs2_fill_super+0x10/0x10
[ 599.019625][T11039] ? sb_set_blocksize+0x104/0x180
[ 599.019652][T11039] ? setup_bdev_super+0x4c1/0x5b0
[ 599.019677][T11039] get_tree_bdev_flags+0x40b/0x4d0
[ 599.019700][T11039] ? __pfx_gfs2_fill_super+0x10/0x10
[ 599.019724][T11039] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 599.019761][T11039] gfs2_get_tree+0x51/0x1e0
[ 599.019786][T11039] vfs_get_tree+0x8f/0x2b0
[ 599.019814][T11039] do_new_mount+0x2a2/0x9e0
[ 599.019845][T11039] ? ns_capable+0x8a/0xf0
[ 599.019877][T11039] ? __pfx_do_new_mount+0x10/0x10
[ 599.019901][T11039] ? path_mount+0x61c/0xfe0
[ 599.019924][T11039] ? user_path_at+0x44/0x60
[ 599.019954][T11039] __se_sys_mount+0x317/0x410
[ 599.019987][T11039] ? __pfx___se_sys_mount+0x10/0x10
[ 599.020018][T11039] ? do_syscall_64+0xbe/0x3b0
[ 599.020043][T11039] ? __x64_sys_mount+0x20/0xc0
[ 599.020076][T11039] do_syscall_64+0xfa/0x3b0
[ 599.020099][T11039] ? lockdep_hardirqs_on+0x9c/0x150
[ 599.020126][T11039] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.020145][T11039] ? clear_bhb_loop+0x60/0xb0
[ 599.020169][T11039] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.020187][T11039] RIP: 0033:0x7f55bc2b5f4a
[ 599.020205][T11039] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 599.020223][T11039] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 599.020242][T11039] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 599.020257][T11039] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 599.020270][T11039] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 599.020284][T11039] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 599.020297][T11039] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 599.020325][T11039]
[ 599.020358][T11039] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 599.255276][T11029] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 599.373300][T11039] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 599.397194][T11029] CPU: 0 UID: 0 PID: 11029 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 599.397226][T11029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 599.397239][T11029] Call Trace:
[ 599.397248][T11029]
[ 599.397258][T11029] dump_stack_lvl+0x189/0x250
[ 599.397288][T11029] ? __pfx_dump_stack_lvl+0x10/0x10
[ 599.397310][T11029] ? __pfx__printk+0x10/0x10
[ 599.397341][T11029] ? kernfs_path_from_node+0x250/0x290
[ 599.397359][T11029] ? kernfs_path_from_node+0x2f/0x290
[ 599.397383][T11029] sysfs_create_dir_ns+0x259/0x280
[ 599.397416][T11029] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 599.397449][T11029] ? do_raw_spin_unlock+0x122/0x240
[ 599.397474][T11029] kobject_add_internal+0x59f/0xb40
[ 599.397503][T11029] kobject_init_and_add+0x125/0x190
[ 599.397539][T11029] ? __pfx_kobject_init_and_add+0x10/0x10
[ 599.397571][T11029] ? __raw_spin_lock_init+0x45/0x100
[ 599.397595][T11029] ? __init_swait_queue_head+0xa9/0x150
[ 599.397622][T11029] gfs2_sys_fs_add+0x234/0x450
[ 599.397656][T11029] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 599.397691][T11029] ? is_dynamic_key+0xd6/0x1c0
[ 599.397716][T11029] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 599.397754][T11029] gfs2_fill_super+0x13c0/0x20d0
[ 599.397795][T11029] ? __pfx_gfs2_fill_super+0x10/0x10
[ 599.397836][T11029] ? sb_set_blocksize+0x104/0x180
[ 599.397864][T11029] ? setup_bdev_super+0x4c1/0x5b0
[ 599.397892][T11029] get_tree_bdev_flags+0x40b/0x4d0
[ 599.397918][T11029] ? __pfx_gfs2_fill_super+0x10/0x10
[ 599.397949][T11029] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 599.397986][T11029] gfs2_get_tree+0x51/0x1e0
[ 599.398013][T11029] vfs_get_tree+0x8f/0x2b0
[ 599.398041][T11029] do_new_mount+0x2a2/0x9e0
[ 599.398071][T11029] ? ns_capable+0x8a/0xf0
[ 599.398099][T11029] ? __pfx_do_new_mount+0x10/0x10
[ 599.398124][T11029] ? path_mount+0x61c/0xfe0
[ 599.398148][T11029] ? user_path_at+0x44/0x60
[ 599.398178][T11029] __se_sys_mount+0x317/0x410
[ 599.398209][T11029] ? __pfx___se_sys_mount+0x10/0x10
[ 599.398242][T11029] ? do_syscall_64+0xbe/0x3b0
[ 599.398269][T11029] ? __x64_sys_mount+0x20/0xc0
[ 599.398298][T11029] do_syscall_64+0xfa/0x3b0
[ 599.398325][T11029] ? lockdep_hardirqs_on+0x9c/0x150
[ 599.398352][T11029] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.398372][T11029] ? clear_bhb_loop+0x60/0xb0
[ 599.398395][T11029] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 599.398414][T11029] RIP: 0033:0x7f55bc2b5f4a
[ 599.398432][T11029] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 599.398450][T11029] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 599.398470][T11029] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 599.398486][T11029] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 599.398500][T11029] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 599.398514][T11029] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 599.398528][T11029] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 599.398557][T11029]
[ 599.712026][T11029] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 599.729221][T11029] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 600.147621][T11055] loop2: detected capacity change from 0 to 32768
[ 600.233285][T11055] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 600.268924][T11055] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 600.316597][T11055] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 600.336032][ T929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 600.344627][ T929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
executing program
[ 600.618201][ T929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 273ms
[ 600.648654][ T929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 600.658349][T11055] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 601.075274][T11076] loop3: detected capacity change from 0 to 32768
[ 601.133601][T11076] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 601.134237][T11062] loop4: detected capacity change from 0 to 32768
executing program
[ 601.190507][T11076] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 601.274951][T11062] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 601.298556][T11076] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 601.359041][T11062] CPU: 1 UID: 0 PID: 11062 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 601.359078][T11062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 601.359091][T11062] Call Trace:
[ 601.359099][T11062]
[ 601.359109][T11062] dump_stack_lvl+0x189/0x250
[ 601.359141][T11062] ? __pfx_dump_stack_lvl+0x10/0x10
[ 601.359164][T11062] ? __pfx__printk+0x10/0x10
[ 601.359196][T11062] ? kernfs_path_from_node+0x250/0x290
[ 601.359216][T11062] ? kernfs_path_from_node+0x2f/0x290
[ 601.359240][T11062] sysfs_create_dir_ns+0x259/0x280
[ 601.359275][T11062] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 601.359308][T11062] ? do_raw_spin_unlock+0x122/0x240
[ 601.359337][T11062] kobject_add_internal+0x59f/0xb40
[ 601.359367][T11062] kobject_init_and_add+0x125/0x190
[ 601.359404][T11062] ? __pfx_kobject_init_and_add+0x10/0x10
[ 601.359436][T11062] ? __raw_spin_lock_init+0x45/0x100
[ 601.359461][T11062] ? __init_swait_queue_head+0xa9/0x150
[ 601.359488][T11062] gfs2_sys_fs_add+0x234/0x450
[ 601.359522][T11062] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 601.359558][T11062] ? is_dynamic_key+0xd6/0x1c0
[ 601.359585][T11062] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 601.359624][T11062] gfs2_fill_super+0x13c0/0x20d0
[ 601.359666][T11062] ? __pfx_gfs2_fill_super+0x10/0x10
[ 601.359696][T11062] ? sb_set_blocksize+0x104/0x180
[ 601.359730][T11062] ? setup_bdev_super+0x4c1/0x5b0
[ 601.359759][T11062] get_tree_bdev_flags+0x40b/0x4d0
[ 601.359784][T11062] ? __pfx_gfs2_fill_super+0x10/0x10
[ 601.359809][T11062] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 601.359846][T11062] gfs2_get_tree+0x51/0x1e0
[ 601.359873][T11062] vfs_get_tree+0x8f/0x2b0
[ 601.359901][T11062] do_new_mount+0x2a2/0x9e0
[ 601.359932][T11062] ? ns_capable+0x8a/0xf0
[ 601.359960][T11062] ? __pfx_do_new_mount+0x10/0x10
[ 601.359986][T11062] ? path_mount+0x61c/0xfe0
[ 601.360010][T11062] ? user_path_at+0x44/0x60
[ 601.360041][T11062] __se_sys_mount+0x317/0x410
[ 601.360075][T11062] ? __pfx___se_sys_mount+0x10/0x10
[ 601.360108][T11062] ? do_syscall_64+0xbe/0x3b0
[ 601.360135][T11062] ? __x64_sys_mount+0x20/0xc0
[ 601.360165][T11062] do_syscall_64+0xfa/0x3b0
[ 601.360192][T11062] ? lockdep_hardirqs_on+0x9c/0x150
[ 601.360219][T11062] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.360240][T11062] ? clear_bhb_loop+0x60/0xb0
[ 601.360264][T11062] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.360283][T11062] RIP: 0033:0x7f55bc2b5f4a
[ 601.360302][T11062] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 601.360320][T11062] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 601.360342][T11062] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 601.360358][T11062] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 601.360373][T11062] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 601.360388][T11062] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 601.360403][T11062] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 601.360435][T11062]
[ 601.360461][T11062] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 601.515751][T11073] loop0: detected capacity change from 0 to 32768
[ 601.551274][T11062] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 601.558963][ T929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 601.611880][T11073] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 601.630177][ T929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 601.759575][T11073] CPU: 0 UID: 0 PID: 11073 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 601.759604][T11073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 601.759617][T11073] Call Trace:
[ 601.759626][T11073]
[ 601.759635][T11073] dump_stack_lvl+0x189/0x250
[ 601.759676][T11073] ? __pfx_dump_stack_lvl+0x10/0x10
[ 601.759698][T11073] ? __pfx__printk+0x10/0x10
[ 601.759731][T11073] ? kernfs_path_from_node+0x250/0x290
[ 601.759750][T11073] ? kernfs_path_from_node+0x2f/0x290
[ 601.759774][T11073] sysfs_create_dir_ns+0x259/0x280
[ 601.759807][T11073] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 601.759844][T11073] ? do_raw_spin_unlock+0x122/0x240
[ 601.759871][T11073] kobject_add_internal+0x59f/0xb40
[ 601.759898][T11073] kobject_init_and_add+0x125/0x190
[ 601.759934][T11073] ? __pfx_kobject_init_and_add+0x10/0x10
[ 601.759964][T11073] ? __raw_spin_lock_init+0x45/0x100
[ 601.759987][T11073] ? __init_swait_queue_head+0xa9/0x150
[ 601.760013][T11073] gfs2_sys_fs_add+0x234/0x450
[ 601.760053][T11073] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 601.760096][T11073] ? is_dynamic_key+0xd6/0x1c0
[ 601.760121][T11073] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 601.760160][T11073] gfs2_fill_super+0x13c0/0x20d0
[ 601.760201][T11073] ? __pfx_gfs2_fill_super+0x10/0x10
[ 601.760229][T11073] ? sb_set_blocksize+0x104/0x180
[ 601.760255][T11073] ? setup_bdev_super+0x4c1/0x5b0
[ 601.760283][T11073] get_tree_bdev_flags+0x40b/0x4d0
[ 601.760307][T11073] ? __pfx_gfs2_fill_super+0x10/0x10
[ 601.760331][T11073] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 601.760367][T11073] gfs2_get_tree+0x51/0x1e0
[ 601.760394][T11073] vfs_get_tree+0x8f/0x2b0
[ 601.760421][T11073] do_new_mount+0x2a2/0x9e0
[ 601.760451][T11073] ? ns_capable+0x8a/0xf0
[ 601.760479][T11073] ? __pfx_do_new_mount+0x10/0x10
[ 601.760504][T11073] ? path_mount+0x61c/0xfe0
[ 601.760527][T11073] ? user_path_at+0x44/0x60
[ 601.760556][T11073] __se_sys_mount+0x317/0x410
[ 601.760589][T11073] ? __pfx___se_sys_mount+0x10/0x10
[ 601.760621][T11073] ? do_syscall_64+0xbe/0x3b0
[ 601.760655][T11073] ? __x64_sys_mount+0x20/0xc0
[ 601.760684][T11073] do_syscall_64+0xfa/0x3b0
[ 601.760708][T11073] ? lockdep_hardirqs_on+0x9c/0x150
[ 601.760734][T11073] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.760754][T11073] ? clear_bhb_loop+0x60/0xb0
[ 601.760778][T11073] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 601.760798][T11073] RIP: 0033:0x7f55bc2b5f4a
[ 601.760816][T11073] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 601.760833][T11073] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 601.760854][T11073] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 601.760869][T11073] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
executing program
[ 601.760884][T11073] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 601.760897][T11073] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 601.760911][T11073] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 601.760939][T11073]
[ 601.760972][T11073] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 602.206079][ T929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 575ms
[ 602.229200][ T929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 602.240939][T11076] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 602.319096][T11073] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 602.428176][T11084] loop1: detected capacity change from 0 to 32768
[ 602.480104][T11084] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 602.491201][T11084] CPU: 0 UID: 0 PID: 11084 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 602.491233][T11084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 602.491246][T11084] Call Trace:
[ 602.491254][T11084]
[ 602.491264][T11084] dump_stack_lvl+0x189/0x250
[ 602.491295][T11084] ? __pfx_dump_stack_lvl+0x10/0x10
[ 602.491319][T11084] ? __pfx__printk+0x10/0x10
[ 602.491352][T11084] ? kernfs_path_from_node+0x250/0x290
[ 602.491372][T11084] ? kernfs_path_from_node+0x2f/0x290
[ 602.491410][T11084] sysfs_create_dir_ns+0x259/0x280
[ 602.491452][T11084] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 602.491490][T11084] ? do_raw_spin_unlock+0x122/0x240
[ 602.491518][T11084] kobject_add_internal+0x59f/0xb40
[ 602.491547][T11084] kobject_init_and_add+0x125/0x190
[ 602.491589][T11084] ? __pfx_kobject_init_and_add+0x10/0x10
[ 602.491622][T11084] ? __raw_spin_lock_init+0x45/0x100
[ 602.491646][T11084] ? __init_swait_queue_head+0xa9/0x150
[ 602.491673][T11084] gfs2_sys_fs_add+0x234/0x450
[ 602.491711][T11084] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 602.491748][T11084] ? is_dynamic_key+0xd6/0x1c0
[ 602.491773][T11084] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 602.491823][T11084] gfs2_fill_super+0x13c0/0x20d0
[ 602.491866][T11084] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.491895][T11084] ? sb_set_blocksize+0x104/0x180
[ 602.491928][T11084] ? setup_bdev_super+0x4c1/0x5b0
[ 602.491956][T11084] get_tree_bdev_flags+0x40b/0x4d0
[ 602.491985][T11084] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.492010][T11084] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 602.492048][T11084] gfs2_get_tree+0x51/0x1e0
[ 602.492075][T11084] vfs_get_tree+0x8f/0x2b0
[ 602.492103][T11084] do_new_mount+0x2a2/0x9e0
[ 602.492134][T11084] ? ns_capable+0x8a/0xf0
[ 602.492160][T11084] ? __pfx_do_new_mount+0x10/0x10
[ 602.492184][T11084] ? path_mount+0x61c/0xfe0
[ 602.492206][T11084] ? user_path_at+0x44/0x60
[ 602.492235][T11084] __se_sys_mount+0x317/0x410
[ 602.492269][T11084] ? __pfx___se_sys_mount+0x10/0x10
[ 602.492302][T11084] ? do_syscall_64+0xbe/0x3b0
[ 602.492327][T11084] ? __x64_sys_mount+0x20/0xc0
[ 602.492356][T11084] do_syscall_64+0xfa/0x3b0
[ 602.492382][T11084] ? lockdep_hardirqs_on+0x9c/0x150
[ 602.492409][T11084] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.492429][T11084] ? clear_bhb_loop+0x60/0xb0
[ 602.492462][T11084] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.492482][T11084] RIP: 0033:0x7f55bc2b5f4a
[ 602.492500][T11084] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 602.492519][T11084] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 602.492539][T11084] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 602.492554][T11084] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 602.492569][T11084] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 602.492583][T11084] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 602.492597][T11084] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 602.492629][T11084]
[ 602.492654][T11084] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 602.525721][T11096] loop2: detected capacity change from 0 to 32768
[ 602.578953][T11084] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 602.859249][T11096] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 602.866828][T11096] CPU: 1 UID: 0 PID: 11096 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 602.866856][T11096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 602.866867][T11096] Call Trace:
[ 602.866875][T11096]
[ 602.866882][T11096] dump_stack_lvl+0x189/0x250
[ 602.866912][T11096] ? __pfx_dump_stack_lvl+0x10/0x10
[ 602.866934][T11096] ? __pfx__printk+0x10/0x10
[ 602.866966][T11096] ? kernfs_path_from_node+0x250/0x290
[ 602.866986][T11096] ? kernfs_path_from_node+0x2f/0x290
[ 602.867009][T11096] sysfs_create_dir_ns+0x259/0x280
[ 602.867042][T11096] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 602.867075][T11096] ? do_raw_spin_unlock+0x122/0x240
[ 602.867103][T11096] kobject_add_internal+0x59f/0xb40
[ 602.867132][T11096] kobject_init_and_add+0x125/0x190
[ 602.867168][T11096] ? __pfx_kobject_init_and_add+0x10/0x10
[ 602.867199][T11096] ? __raw_spin_lock_init+0x45/0x100
[ 602.867224][T11096] ? __init_swait_queue_head+0xa9/0x150
[ 602.867249][T11096] gfs2_sys_fs_add+0x234/0x450
[ 602.867282][T11096] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 602.867318][T11096] ? is_dynamic_key+0xd6/0x1c0
[ 602.867343][T11096] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 602.867382][T11096] gfs2_fill_super+0x13c0/0x20d0
[ 602.867423][T11096] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.867452][T11096] ? sb_set_blocksize+0x104/0x180
[ 602.867480][T11096] ? setup_bdev_super+0x4c1/0x5b0
[ 602.867509][T11096] get_tree_bdev_flags+0x40b/0x4d0
[ 602.867532][T11096] ? __pfx_gfs2_fill_super+0x10/0x10
[ 602.867557][T11096] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 602.867593][T11096] gfs2_get_tree+0x51/0x1e0
[ 602.867620][T11096] vfs_get_tree+0x8f/0x2b0
[ 602.867648][T11096] do_new_mount+0x2a2/0x9e0
[ 602.867679][T11096] ? ns_capable+0x8a/0xf0
[ 602.867707][T11096] ? __pfx_do_new_mount+0x10/0x10
[ 602.867733][T11096] ? path_mount+0x61c/0xfe0
[ 602.867756][T11096] ? user_path_at+0x44/0x60
[ 602.867793][T11096] __se_sys_mount+0x317/0x410
[ 602.867830][T11096] ? __pfx___se_sys_mount+0x10/0x10
[ 602.867863][T11096] ? do_syscall_64+0xbe/0x3b0
[ 602.867889][T11096] ? __x64_sys_mount+0x20/0xc0
[ 602.867917][T11096] do_syscall_64+0xfa/0x3b0
[ 602.867944][T11096] ? lockdep_hardirqs_on+0x9c/0x150
[ 602.867971][T11096] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.867991][T11096] ? clear_bhb_loop+0x60/0xb0
[ 602.868015][T11096] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 602.868034][T11096] RIP: 0033:0x7f55bc2b5f4a
[ 602.868052][T11096] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 602.868070][T11096] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 602.868091][T11096] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 602.868107][T11096] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 602.868121][T11096] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 602.868136][T11096] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 602.868149][T11096] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 602.868180][T11096]
[ 602.935608][T11096] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 603.276722][T11096] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
executing program
[ 603.965917][T11104] loop4: detected capacity change from 0 to 32768
[ 604.010510][T11104] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 604.038934][T11104] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 604.059170][T11104] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 604.118335][ T929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 604.125456][ T929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 604.274321][T11110] loop0: detected capacity change from 0 to 32768
[ 604.319604][T11110] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 604.340906][T11110] CPU: 0 UID: 0 PID: 11110 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 604.340937][T11110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 604.340950][T11110] Call Trace:
[ 604.340958][T11110]
[ 604.340966][T11110] dump_stack_lvl+0x189/0x250
[ 604.340996][T11110] ? __pfx_dump_stack_lvl+0x10/0x10
[ 604.341017][T11110] ? __pfx__printk+0x10/0x10
[ 604.341049][T11110] ? kernfs_path_from_node+0x250/0x290
[ 604.341068][T11110] ? kernfs_path_from_node+0x2f/0x290
[ 604.341093][T11110] sysfs_create_dir_ns+0x259/0x280
[ 604.341127][T11110] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 604.341160][T11110] ? do_raw_spin_unlock+0x122/0x240
[ 604.341186][T11110] kobject_add_internal+0x59f/0xb40
[ 604.341214][T11110] kobject_init_and_add+0x125/0x190
[ 604.341250][T11110] ? __pfx_kobject_init_and_add+0x10/0x10
[ 604.341282][T11110] ? __raw_spin_lock_init+0x45/0x100
[ 604.341306][T11110] ? __init_swait_queue_head+0xa9/0x150
[ 604.341329][T11110] gfs2_sys_fs_add+0x234/0x450
[ 604.341363][T11110] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 604.341400][T11110] ? is_dynamic_key+0xd6/0x1c0
[ 604.341426][T11110] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 604.341464][T11110] gfs2_fill_super+0x13c0/0x20d0
[ 604.341506][T11110] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.341535][T11110] ? sb_set_blocksize+0x104/0x180
[ 604.341563][T11110] ? setup_bdev_super+0x4c1/0x5b0
[ 604.341600][T11110] get_tree_bdev_flags+0x40b/0x4d0
[ 604.341625][T11110] ? __pfx_gfs2_fill_super+0x10/0x10
[ 604.341650][T11110] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 604.341687][T11110] gfs2_get_tree+0x51/0x1e0
[ 604.341714][T11110] vfs_get_tree+0x8f/0x2b0
[ 604.341742][T11110] do_new_mount+0x2a2/0x9e0
[ 604.341772][T11110] ? ns_capable+0x8a/0xf0
[ 604.341801][T11110] ? __pfx_do_new_mount+0x10/0x10
[ 604.341826][T11110] ? path_mount+0x61c/0xfe0
[ 604.341850][T11110] ? user_path_at+0x44/0x60
[ 604.341881][T11110] __se_sys_mount+0x317/0x410
[ 604.341916][T11110] ? __pfx___se_sys_mount+0x10/0x10
[ 604.341949][T11110] ? do_syscall_64+0xbe/0x3b0
[ 604.341976][T11110] ? __x64_sys_mount+0x20/0xc0
[ 604.342005][T11110] do_syscall_64+0xfa/0x3b0
[ 604.342031][T11110] ? lockdep_hardirqs_on+0x9c/0x150
[ 604.342057][T11110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.342076][T11110] ? clear_bhb_loop+0x60/0xb0
[ 604.342101][T11110] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 604.342120][T11110] RIP: 0033:0x7f55bc2b5f4a
[ 604.342138][T11110] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 604.342156][T11110] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 604.342179][T11110] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 604.342194][T11110] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 604.342209][T11110] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 604.342224][T11110] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 604.342237][T11110] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 604.342268][T11110]
[ 604.342294][T11110] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 604.688415][ T929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 562ms
[ 604.719106][ T929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 604.724491][T11104] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 604.738390][T11110] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 605.186780][T11123] loop3: detected capacity change from 0 to 32768
[ 605.241941][T11123] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 605.253156][T11123] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
executing program
[ 605.338773][T11123] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 605.409325][ T2156] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 605.420961][ T2156] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 605.434666][T11129] loop2: detected capacity change from 0 to 32768
[ 605.470102][T11127] loop1: detected capacity change from 0 to 32768
[ 605.513131][T11127] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 605.529832][T11129] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 605.574920][T11127] CPU: 1 UID: 0 PID: 11127 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 605.574953][T11127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 605.574966][T11127] Call Trace:
[ 605.574975][T11127]
[ 605.574985][T11127] dump_stack_lvl+0x189/0x250
[ 605.575016][T11127] ? __pfx_dump_stack_lvl+0x10/0x10
[ 605.575039][T11127] ? __pfx__printk+0x10/0x10
[ 605.575072][T11127] ? kernfs_path_from_node+0x250/0x290
[ 605.575091][T11127] ? kernfs_path_from_node+0x2f/0x290
[ 605.575116][T11127] sysfs_create_dir_ns+0x259/0x280
[ 605.575150][T11127] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 605.575184][T11127] ? do_raw_spin_unlock+0x122/0x240
[ 605.575349][T11127] kobject_add_internal+0x59f/0xb40
[ 605.575384][T11127] kobject_init_and_add+0x125/0x190
[ 605.575423][T11127] ? __pfx_kobject_init_and_add+0x10/0x10
[ 605.575468][T11127] ? __raw_spin_lock_init+0x45/0x100
[ 605.575494][T11127] ? __init_swait_queue_head+0xa9/0x150
[ 605.575521][T11127] gfs2_sys_fs_add+0x234/0x450
[ 605.575556][T11127] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 605.575593][T11127] ? is_dynamic_key+0xd6/0x1c0
[ 605.575619][T11127] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 605.575699][T11127] gfs2_fill_super+0x13c0/0x20d0
[ 605.575745][T11127] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.575790][T11127] ? sb_set_blocksize+0x104/0x180
[ 605.575819][T11127] ? setup_bdev_super+0x4c1/0x5b0
[ 605.575848][T11127] get_tree_bdev_flags+0x40b/0x4d0
[ 605.575874][T11127] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.575900][T11127] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 605.575937][T11127] gfs2_get_tree+0x51/0x1e0
[ 605.575966][T11127] vfs_get_tree+0x8f/0x2b0
[ 605.575995][T11127] do_new_mount+0x2a2/0x9e0
[ 605.576040][T11127] ? ns_capable+0x8a/0xf0
[ 605.576071][T11127] ? __pfx_do_new_mount+0x10/0x10
[ 605.576097][T11127] ? path_mount+0x61c/0xfe0
[ 605.576123][T11127] ? user_path_at+0x44/0x60
[ 605.576154][T11127] __se_sys_mount+0x317/0x410
[ 605.576187][T11127] ? __pfx___se_sys_mount+0x10/0x10
[ 605.576214][T11127] ? do_syscall_64+0xbe/0x3b0
[ 605.576235][T11127] ? __x64_sys_mount+0x20/0xc0
[ 605.576257][T11127] do_syscall_64+0xfa/0x3b0
[ 605.576278][T11127] ? lockdep_hardirqs_on+0x9c/0x150
[ 605.576303][T11127] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.576324][T11127] ? clear_bhb_loop+0x60/0xb0
[ 605.576350][T11127] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.576371][T11127] RIP: 0033:0x7f55bc2b5f4a
[ 605.576391][T11127] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 605.576410][T11127] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 605.576477][T11127] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 605.576493][T11127] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 605.576509][T11127] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 605.576525][T11127] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 605.576540][T11127] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 605.576572][T11127]
[ 605.576607][T11127] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 605.609062][T11129] CPU: 0 UID: 0 PID: 11129 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 605.609094][T11129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 605.609106][T11129] Call Trace:
[ 605.609116][T11129]
[ 605.609124][T11129] dump_stack_lvl+0x189/0x250
[ 605.609235][T11129] ? __pfx_dump_stack_lvl+0x10/0x10
[ 605.609267][T11129] ? __pfx__printk+0x10/0x10
[ 605.609300][T11129] ? kernfs_path_from_node+0x250/0x290
[ 605.609319][T11129] ? kernfs_path_from_node+0x2f/0x290
[ 605.609342][T11129] sysfs_create_dir_ns+0x259/0x280
executing program
[ 605.609375][T11129] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 605.609407][T11129] ? do_raw_spin_unlock+0x122/0x240
[ 605.609443][T11129] kobject_add_internal+0x59f/0xb40
[ 605.609477][T11129] kobject_init_and_add+0x125/0x190
[ 605.609513][T11129] ? __pfx_kobject_init_and_add+0x10/0x10
[ 605.609544][T11129] ? __raw_spin_lock_init+0x45/0x100
[ 605.609569][T11129] ? __init_swait_queue_head+0xa9/0x150
[ 605.609595][T11129] gfs2_sys_fs_add+0x234/0x450
[ 605.609629][T11129] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 605.609665][T11129] ? is_dynamic_key+0xd6/0x1c0
[ 605.609689][T11129] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 605.609727][T11129] gfs2_fill_super+0x13c0/0x20d0
[ 605.609767][T11129] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.609798][T11129] ? sb_set_blocksize+0x104/0x180
[ 605.609824][T11129] ? setup_bdev_super+0x4c1/0x5b0
[ 605.609852][T11129] get_tree_bdev_flags+0x40b/0x4d0
[ 605.609877][T11129] ? __pfx_gfs2_fill_super+0x10/0x10
[ 605.609902][T11129] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 605.609954][T11129] gfs2_get_tree+0x51/0x1e0
[ 605.609983][T11129] vfs_get_tree+0x8f/0x2b0
[ 605.610010][T11129] do_new_mount+0x2a2/0x9e0
[ 605.610040][T11129] ? ns_capable+0x8a/0xf0
[ 605.610069][T11129] ? __pfx_do_new_mount+0x10/0x10
[ 605.610109][T11129] ? path_mount+0x61c/0xfe0
[ 605.610132][T11129] ? user_path_at+0x44/0x60
[ 605.610170][T11129] __se_sys_mount+0x317/0x410
[ 605.610204][T11129] ? __pfx___se_sys_mount+0x10/0x10
[ 605.610236][T11129] ? do_syscall_64+0xbe/0x3b0
[ 605.610264][T11129] ? __x64_sys_mount+0x20/0xc0
[ 605.610294][T11129] do_syscall_64+0xfa/0x3b0
[ 605.610320][T11129] ? lockdep_hardirqs_on+0x9c/0x150
[ 605.610348][T11129] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.610367][T11129] ? clear_bhb_loop+0x60/0xb0
[ 605.610391][T11129] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 605.610410][T11129] RIP: 0033:0x7f55bc2b5f4a
[ 605.610430][T11129] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 605.610448][T11129] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 605.610469][T11129] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 605.610484][T11129] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 605.610500][T11129] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 605.610514][T11129] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 605.610527][T11129] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 605.610557][T11129]
[ 605.610592][T11129] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 605.706901][T11127] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 605.836145][T11129] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 605.865383][ T2156] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 444ms
executing program
[ 606.595830][ T2156] gfs2: fsid=syz:syz.0: jid=0: Done
[ 606.612742][T11142] loop0: detected capacity change from 0 to 32768
[ 606.629246][T11123] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 606.647080][T11142] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 606.682923][T11142] CPU: 1 UID: 0 PID: 11142 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 606.682955][T11142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 606.682966][T11142] Call Trace:
[ 606.682974][T11142]
[ 606.682984][T11142] dump_stack_lvl+0x189/0x250
[ 606.683014][T11142] ? __pfx_dump_stack_lvl+0x10/0x10
[ 606.683045][T11142] ? __pfx__printk+0x10/0x10
[ 606.683078][T11142] ? kernfs_path_from_node+0x250/0x290
[ 606.683097][T11142] ? kernfs_path_from_node+0x2f/0x290
[ 606.683121][T11142] sysfs_create_dir_ns+0x259/0x280
[ 606.683152][T11142] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 606.683184][T11142] ? do_raw_spin_unlock+0x122/0x240
[ 606.683213][T11142] kobject_add_internal+0x59f/0xb40
[ 606.683241][T11142] kobject_init_and_add+0x125/0x190
[ 606.683276][T11142] ? __pfx_kobject_init_and_add+0x10/0x10
[ 606.683307][T11142] ? __raw_spin_lock_init+0x45/0x100
[ 606.683331][T11142] ? __init_swait_queue_head+0xa9/0x150
[ 606.683357][T11142] gfs2_sys_fs_add+0x234/0x450
[ 606.683390][T11142] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 606.683425][T11142] ? is_dynamic_key+0xd6/0x1c0
[ 606.683448][T11142] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 606.683485][T11142] gfs2_fill_super+0x13c0/0x20d0
[ 606.683525][T11142] ? __pfx_gfs2_fill_super+0x10/0x10
[ 606.683555][T11142] ? sb_set_blocksize+0x104/0x180
[ 606.683581][T11142] ? setup_bdev_super+0x4c1/0x5b0
[ 606.683610][T11142] get_tree_bdev_flags+0x40b/0x4d0
[ 606.683635][T11142] ? __pfx_gfs2_fill_super+0x10/0x10
[ 606.683659][T11142] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 606.683694][T11142] gfs2_get_tree+0x51/0x1e0
[ 606.683722][T11142] vfs_get_tree+0x8f/0x2b0
[ 606.683750][T11142] do_new_mount+0x2a2/0x9e0
[ 606.683780][T11142] ? ns_capable+0x8a/0xf0
[ 606.683808][T11142] ? __pfx_do_new_mount+0x10/0x10
[ 606.683833][T11142] ? path_mount+0x61c/0xfe0
[ 606.683857][T11142] ? user_path_at+0x44/0x60
[ 606.683887][T11142] __se_sys_mount+0x317/0x410
[ 606.683920][T11142] ? __pfx___se_sys_mount+0x10/0x10
[ 606.683952][T11142] ? do_syscall_64+0xbe/0x3b0
[ 606.683979][T11142] ? __x64_sys_mount+0x20/0xc0
[ 606.684007][T11142] do_syscall_64+0xfa/0x3b0
[ 606.684039][T11142] ? lockdep_hardirqs_on+0x9c/0x150
[ 606.684066][T11142] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.684086][T11142] ? clear_bhb_loop+0x60/0xb0
[ 606.684110][T11142] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 606.684129][T11142] RIP: 0033:0x7f55bc2b5f4a
[ 606.684147][T11142] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 606.684166][T11142] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 606.684187][T11142] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 606.684202][T11142] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 606.684218][T11142] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 606.684231][T11142] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 606.684245][T11142] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 606.684275][T11142]
[ 606.684301][T11142] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 607.047232][T11142] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 607.470166][T11149] loop4: detected capacity change from 0 to 32768
[ 607.535119][T11149] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 607.579346][T11149] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 607.667464][T11149] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 607.688014][ T929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 607.709504][ T929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 607.974468][ T929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 264ms
[ 608.002942][ T929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 608.008685][T11149] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 608.021379][T11157] loop1: detected capacity change from 0 to 32768
[ 608.058737][T11157] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 608.094470][T11157] CPU: 1 UID: 0 PID: 11157 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 608.094502][T11157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 608.094515][T11157] Call Trace:
[ 608.094523][T11157]
[ 608.094531][T11157] dump_stack_lvl+0x189/0x250
[ 608.094570][T11157] ? __pfx_dump_stack_lvl+0x10/0x10
[ 608.094590][T11157] ? __pfx__printk+0x10/0x10
[ 608.094619][T11157] ? kernfs_path_from_node+0x250/0x290
[ 608.094637][T11157] ? kernfs_path_from_node+0x2f/0x290
[ 608.094660][T11157] sysfs_create_dir_ns+0x259/0x280
[ 608.094692][T11157] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 608.094723][T11157] ? do_raw_spin_unlock+0x122/0x240
[ 608.094750][T11157] kobject_add_internal+0x59f/0xb40
[ 608.094776][T11157] kobject_init_and_add+0x125/0x190
[ 608.094812][T11157] ? __pfx_kobject_init_and_add+0x10/0x10
[ 608.094840][T11157] ? __raw_spin_lock_init+0x45/0x100
[ 608.094861][T11157] ? __init_swait_queue_head+0xa9/0x150
[ 608.094885][T11157] gfs2_sys_fs_add+0x234/0x450
[ 608.094916][T11157] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 608.094953][T11157] ? is_dynamic_key+0xd6/0x1c0
[ 608.094976][T11157] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 608.095015][T11157] gfs2_fill_super+0x13c0/0x20d0
[ 608.095056][T11157] ? __pfx_gfs2_fill_super+0x10/0x10
[ 608.095084][T11157] ? sb_set_blocksize+0x104/0x180
[ 608.095111][T11157] ? setup_bdev_super+0x4c1/0x5b0
[ 608.095140][T11157] get_tree_bdev_flags+0x40b/0x4d0
[ 608.095210][T11157] ? __pfx_gfs2_fill_super+0x10/0x10
[ 608.095235][T11157] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 608.095270][T11157] gfs2_get_tree+0x51/0x1e0
[ 608.095296][T11157] vfs_get_tree+0x8f/0x2b0
[ 608.095342][T11157] do_new_mount+0x2a2/0x9e0
[ 608.095374][T11157] ? ns_capable+0x8a/0xf0
[ 608.095402][T11157] ? __pfx_do_new_mount+0x10/0x10
[ 608.095427][T11157] ? path_mount+0x61c/0xfe0
[ 608.095452][T11157] ? user_path_at+0x44/0x60
[ 608.095481][T11157] __se_sys_mount+0x317/0x410
[ 608.095514][T11157] ? __pfx___se_sys_mount+0x10/0x10
[ 608.095548][T11157] ? do_syscall_64+0xbe/0x3b0
[ 608.095574][T11157] ? __x64_sys_mount+0x20/0xc0
[ 608.095604][T11157] do_syscall_64+0xfa/0x3b0
[ 608.095630][T11157] ? lockdep_hardirqs_on+0x9c/0x150
[ 608.095656][T11157] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.095675][T11157] ? clear_bhb_loop+0x60/0xb0
[ 608.095699][T11157] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.095717][T11157] RIP: 0033:0x7f55bc2b5f4a
[ 608.095735][T11157] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 608.095752][T11157] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 608.095773][T11157] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 608.095789][T11157] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 608.095804][T11157] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 608.095819][T11157] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 608.095834][T11157] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 608.095863][T11157]
[ 608.095893][T11157] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 608.107709][T11162] loop2: detected capacity change from 0 to 32768
[ 608.111786][T11157] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 608.499898][T11162] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 608.568544][T11162] CPU: 0 UID: 0 PID: 11162 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 608.568576][T11162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 608.568589][T11162] Call Trace:
[ 608.568598][T11162]
[ 608.568607][T11162] dump_stack_lvl+0x189/0x250
[ 608.568639][T11162] ? __pfx_dump_stack_lvl+0x10/0x10
[ 608.568661][T11162] ? __pfx__printk+0x10/0x10
[ 608.568693][T11162] ? kernfs_path_from_node+0x250/0x290
[ 608.568713][T11162] ? kernfs_path_from_node+0x2f/0x290
[ 608.568737][T11162] sysfs_create_dir_ns+0x259/0x280
[ 608.568771][T11162] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 608.568830][T11162] ? do_raw_spin_unlock+0x122/0x240
[ 608.568853][T11162] kobject_add_internal+0x59f/0xb40
[ 608.568878][T11162] kobject_init_and_add+0x125/0x190
[ 608.568913][T11162] ? __pfx_kobject_init_and_add+0x10/0x10
[ 608.568944][T11162] ? __raw_spin_lock_init+0x45/0x100
[ 608.568969][T11162] ? __init_swait_queue_head+0xa9/0x150
[ 608.568995][T11162] gfs2_sys_fs_add+0x234/0x450
[ 608.569028][T11162] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 608.569071][T11162] ? is_dynamic_key+0xd6/0x1c0
[ 608.569096][T11162] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 608.569135][T11162] gfs2_fill_super+0x13c0/0x20d0
[ 608.569177][T11162] ? __pfx_gfs2_fill_super+0x10/0x10
[ 608.569206][T11162] ? sb_set_blocksize+0x104/0x180
[ 608.569232][T11162] ? setup_bdev_super+0x4c1/0x5b0
[ 608.569260][T11162] get_tree_bdev_flags+0x40b/0x4d0
[ 608.569285][T11162] ? __pfx_gfs2_fill_super+0x10/0x10
[ 608.569309][T11162] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 608.569346][T11162] gfs2_get_tree+0x51/0x1e0
[ 608.569373][T11162] vfs_get_tree+0x8f/0x2b0
[ 608.569401][T11162] do_new_mount+0x2a2/0x9e0
[ 608.569432][T11162] ? ns_capable+0x8a/0xf0
[ 608.569460][T11162] ? __pfx_do_new_mount+0x10/0x10
[ 608.569485][T11162] ? path_mount+0x61c/0xfe0
[ 608.569509][T11162] ? user_path_at+0x44/0x60
[ 608.569539][T11162] __se_sys_mount+0x317/0x410
[ 608.569572][T11162] ? __pfx___se_sys_mount+0x10/0x10
[ 608.569604][T11162] ? do_syscall_64+0xbe/0x3b0
[ 608.569630][T11162] ? __x64_sys_mount+0x20/0xc0
[ 608.569660][T11162] do_syscall_64+0xfa/0x3b0
[ 608.569686][T11162] ? lockdep_hardirqs_on+0x9c/0x150
[ 608.569714][T11162] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.569734][T11162] ? clear_bhb_loop+0x60/0xb0
[ 608.569759][T11162] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 608.569779][T11162] RIP: 0033:0x7f55bc2b5f4a
[ 608.569796][T11162] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 608.569815][T11162] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 608.569836][T11162] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 608.569852][T11162] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 608.569866][T11162] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 608.569881][T11162] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 608.569895][T11162] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 608.569926][T11162]
executing program
[ 609.028990][T11162] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 609.086692][T11177] loop0: detected capacity change from 0 to 32768
[ 609.132165][T11162] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 609.143893][T11177] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 609.154039][T11177] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 609.203912][T11177] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 609.250889][ T929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 609.288878][ T929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
executing program
executing program
[ 609.680278][T11173] loop3: detected capacity change from 0 to 32768
[ 609.721134][ T929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 432ms
[ 609.772926][T11173] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 609.793319][ T929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 609.808917][T11177] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 609.831881][T11173] CPU: 0 UID: 0 PID: 11173 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 609.831910][T11173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 609.831921][T11173] Call Trace:
[ 609.831928][T11173]
[ 609.831936][T11173] dump_stack_lvl+0x189/0x250
[ 609.831966][T11173] ? __pfx_dump_stack_lvl+0x10/0x10
[ 609.831986][T11173] ? __pfx__printk+0x10/0x10
[ 609.832016][T11173] ? kernfs_path_from_node+0x250/0x290
[ 609.832034][T11173] ? kernfs_path_from_node+0x2f/0x290
[ 609.832057][T11173] sysfs_create_dir_ns+0x259/0x280
[ 609.832086][T11173] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 609.832117][T11173] ? do_raw_spin_unlock+0x122/0x240
[ 609.832145][T11173] kobject_add_internal+0x59f/0xb40
[ 609.832172][T11173] kobject_init_and_add+0x125/0x190
[ 609.832208][T11173] ? __pfx_kobject_init_and_add+0x10/0x10
[ 609.832241][T11173] ? __raw_spin_lock_init+0x45/0x100
[ 609.832264][T11173] ? __init_swait_queue_head+0xa9/0x150
[ 609.832290][T11173] gfs2_sys_fs_add+0x234/0x450
[ 609.832322][T11173] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 609.832356][T11173] ? is_dynamic_key+0xd6/0x1c0
[ 609.832379][T11173] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 609.832418][T11173] gfs2_fill_super+0x13c0/0x20d0
[ 609.832458][T11173] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.832485][T11173] ? sb_set_blocksize+0x104/0x180
[ 609.832511][T11173] ? setup_bdev_super+0x4c1/0x5b0
[ 609.832539][T11173] get_tree_bdev_flags+0x40b/0x4d0
[ 609.832562][T11173] ? __pfx_gfs2_fill_super+0x10/0x10
[ 609.832585][T11173] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 609.832622][T11173] gfs2_get_tree+0x51/0x1e0
[ 609.832649][T11173] vfs_get_tree+0x8f/0x2b0
[ 609.832688][T11173] do_new_mount+0x2a2/0x9e0
[ 609.832717][T11173] ? ns_capable+0x8a/0xf0
[ 609.832742][T11173] ? __pfx_do_new_mount+0x10/0x10
[ 609.832766][T11173] ? path_mount+0x61c/0xfe0
[ 609.832789][T11173] ? user_path_at+0x44/0x60
[ 609.832817][T11173] __se_sys_mount+0x317/0x410
[ 609.832846][T11173] ? __pfx___se_sys_mount+0x10/0x10
[ 609.832876][T11173] ? do_syscall_64+0xbe/0x3b0
[ 609.832899][T11173] ? __x64_sys_mount+0x20/0xc0
[ 609.832925][T11173] do_syscall_64+0xfa/0x3b0
[ 609.832949][T11173] ? lockdep_hardirqs_on+0x9c/0x150
[ 609.832973][T11173] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.832992][T11173] ? clear_bhb_loop+0x60/0xb0
[ 609.833012][T11173] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 609.833029][T11173] RIP: 0033:0x7f55bc2b5f4a
[ 609.833047][T11173] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 609.833065][T11173] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 609.833086][T11173] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 609.833101][T11173] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 609.833116][T11173] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 609.833130][T11173] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 609.833144][T11173] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 609.833179][T11173]
[ 609.833205][T11173] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 610.215392][T11173] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 610.371292][T11192] loop1: detected capacity change from 0 to 32768
[ 610.441771][T11192] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 610.478385][T11192] CPU: 0 UID: 0 PID: 11192 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 610.478417][T11192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 610.478429][T11192] Call Trace:
[ 610.478436][T11192]
[ 610.478445][T11192] dump_stack_lvl+0x189/0x250
[ 610.478474][T11192] ? __pfx_dump_stack_lvl+0x10/0x10
[ 610.478493][T11192] ? __pfx__printk+0x10/0x10
[ 610.478523][T11192] ? kernfs_path_from_node+0x250/0x290
[ 610.478542][T11192] ? kernfs_path_from_node+0x2f/0x290
[ 610.478565][T11192] sysfs_create_dir_ns+0x259/0x280
[ 610.478595][T11192] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 610.478625][T11192] ? do_raw_spin_unlock+0x122/0x240
[ 610.478658][T11192] kobject_add_internal+0x59f/0xb40
[ 610.478687][T11192] kobject_init_and_add+0x125/0x190
[ 610.478721][T11192] ? __pfx_kobject_init_and_add+0x10/0x10
[ 610.478751][T11192] ? __raw_spin_lock_init+0x45/0x100
[ 610.478776][T11192] ? __init_swait_queue_head+0xa9/0x150
[ 610.478803][T11192] gfs2_sys_fs_add+0x234/0x450
[ 610.478836][T11192] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 610.478877][T11192] ? is_dynamic_key+0xd6/0x1c0
[ 610.478900][T11192] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 610.478934][T11192] gfs2_fill_super+0x13c0/0x20d0
[ 610.478975][T11192] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.479003][T11192] ? sb_set_blocksize+0x104/0x180
[ 610.479027][T11192] ? setup_bdev_super+0x4c1/0x5b0
[ 610.479056][T11192] get_tree_bdev_flags+0x40b/0x4d0
[ 610.479081][T11192] ? __pfx_gfs2_fill_super+0x10/0x10
[ 610.479102][T11192] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 610.479135][T11192] gfs2_get_tree+0x51/0x1e0
[ 610.479161][T11192] vfs_get_tree+0x8f/0x2b0
[ 610.479186][T11192] do_new_mount+0x2a2/0x9e0
[ 610.479215][T11192] ? ns_capable+0x8a/0xf0
[ 610.479250][T11192] ? __pfx_do_new_mount+0x10/0x10
[ 610.479275][T11192] ? path_mount+0x61c/0xfe0
[ 610.479297][T11192] ? user_path_at+0x44/0x60
[ 610.479327][T11192] __se_sys_mount+0x317/0x410
[ 610.479359][T11192] ? __pfx___se_sys_mount+0x10/0x10
[ 610.479392][T11192] ? do_syscall_64+0xbe/0x3b0
[ 610.479418][T11192] ? __x64_sys_mount+0x20/0xc0
[ 610.479447][T11192] do_syscall_64+0xfa/0x3b0
[ 610.479473][T11192] ? lockdep_hardirqs_on+0x9c/0x150
[ 610.479500][T11192] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.479517][T11192] ? clear_bhb_loop+0x60/0xb0
[ 610.479540][T11192] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 610.479559][T11192] RIP: 0033:0x7f55bc2b5f4a
[ 610.479577][T11192] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 610.479594][T11192] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 610.479613][T11192] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 610.479627][T11192] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 610.479640][T11192] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 610.479661][T11192] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 610.479673][T11192] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 610.479702][T11192]
[ 610.849069][T11192] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 610.940565][T11192] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 610.993094][T11202] loop4: detected capacity change from 0 to 32768
[ 611.063237][T11202] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 611.071646][T11202] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
executing program
[ 611.127525][T11202] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
executing program
[ 611.195746][T10708] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 611.249601][T10708] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 611.466140][T11199] loop2: detected capacity change from 0 to 32768
[ 611.569157][T11199] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 611.577117][T11199] CPU: 1 UID: 0 PID: 11199 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 611.577145][T11199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 611.577158][T11199] Call Trace:
[ 611.577168][T11199]
[ 611.577177][T11199] dump_stack_lvl+0x189/0x250
[ 611.577204][T11199] ? __pfx_dump_stack_lvl+0x10/0x10
[ 611.577225][T11199] ? __pfx__printk+0x10/0x10
[ 611.577255][T11199] ? kernfs_path_from_node+0x250/0x290
[ 611.577272][T11199] ? kernfs_path_from_node+0x2f/0x290
[ 611.577415][T11199] sysfs_create_dir_ns+0x259/0x280
[ 611.577444][T11199] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 611.577566][T11199] ? do_raw_spin_unlock+0x122/0x240
[ 611.577596][T11199] kobject_add_internal+0x59f/0xb40
[ 611.577622][T11199] kobject_init_and_add+0x125/0x190
[ 611.577658][T11199] ? __pfx_kobject_init_and_add+0x10/0x10
[ 611.577685][T11199] ? __raw_spin_lock_init+0x45/0x100
[ 611.577708][T11199] ? __init_swait_queue_head+0xa9/0x150
[ 611.577731][T11199] gfs2_sys_fs_add+0x234/0x450
[ 611.577772][T11199] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 611.577804][T11199] ? is_dynamic_key+0xd6/0x1c0
[ 611.577826][T11199] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 611.577863][T11199] gfs2_fill_super+0x13c0/0x20d0
[ 611.577901][T11199] ? __pfx_gfs2_fill_super+0x10/0x10
[ 611.577927][T11199] ? sb_set_blocksize+0x104/0x180
[ 611.577953][T11199] ? setup_bdev_super+0x4c1/0x5b0
[ 611.577981][T11199] get_tree_bdev_flags+0x40b/0x4d0
[ 611.578005][T11199] ? __pfx_gfs2_fill_super+0x10/0x10
[ 611.578027][T11199] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 611.578060][T11199] gfs2_get_tree+0x51/0x1e0
[ 611.578086][T11199] vfs_get_tree+0x8f/0x2b0
[ 611.578135][T11199] do_new_mount+0x2a2/0x9e0
[ 611.578166][T11199] ? ns_capable+0x8a/0xf0
[ 611.578194][T11199] ? __pfx_do_new_mount+0x10/0x10
[ 611.578219][T11199] ? path_mount+0x61c/0xfe0
[ 611.578242][T11199] ? user_path_at+0x44/0x60
[ 611.578270][T11199] __se_sys_mount+0x317/0x410
[ 611.578302][T11199] ? __pfx___se_sys_mount+0x10/0x10
[ 611.578332][T11199] ? do_syscall_64+0xbe/0x3b0
[ 611.578358][T11199] ? __x64_sys_mount+0x20/0xc0
[ 611.578385][T11199] do_syscall_64+0xfa/0x3b0
[ 611.578410][T11199] ? lockdep_hardirqs_on+0x9c/0x150
[ 611.578435][T11199] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.578455][T11199] ? clear_bhb_loop+0x60/0xb0
[ 611.578478][T11199] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 611.578497][T11199] RIP: 0033:0x7f55bc2b5f4a
[ 611.578572][T11199] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 611.578589][T11199] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 611.578611][T11199] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 611.578625][T11199] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 611.578639][T11199] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 611.578652][T11199] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 611.578664][T11199] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 611.578740][T11199]
[ 611.578771][T11199] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 611.923689][T10708] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 674ms
[ 611.933978][T11199] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 611.940944][T10708] gfs2: fsid=syz:syz.0: jid=0: Done
[ 611.946375][T11202] gfs2: fsid=syz:syz.0: first mount done, others may mount
executing program
[ 612.122530][T11211] loop3: detected capacity change from 0 to 32768
[ 612.199164][T11211] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 612.249435][T11211] CPU: 1 UID: 0 PID: 11211 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 612.249466][T11211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 612.249480][T11211] Call Trace:
[ 612.249488][T11211]
[ 612.249497][T11211] dump_stack_lvl+0x189/0x250
[ 612.249528][T11211] ? __pfx_dump_stack_lvl+0x10/0x10
[ 612.249551][T11211] ? __pfx__printk+0x10/0x10
[ 612.249583][T11211] ? kernfs_path_from_node+0x250/0x290
[ 612.249602][T11211] ? kernfs_path_from_node+0x2f/0x290
[ 612.249624][T11211] sysfs_create_dir_ns+0x259/0x280
[ 612.249657][T11211] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 612.249688][T11211] ? do_raw_spin_unlock+0x122/0x240
[ 612.249713][T11211] kobject_add_internal+0x59f/0xb40
[ 612.249741][T11211] kobject_init_and_add+0x125/0x190
[ 612.249778][T11211] ? __pfx_kobject_init_and_add+0x10/0x10
[ 612.249809][T11211] ? __raw_spin_lock_init+0x45/0x100
[ 612.249833][T11211] ? __init_swait_queue_head+0xa9/0x150
[ 612.249858][T11211] gfs2_sys_fs_add+0x234/0x450
[ 612.249890][T11211] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 612.249926][T11211] ? is_dynamic_key+0xd6/0x1c0
[ 612.249951][T11211] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 612.249989][T11211] gfs2_fill_super+0x13c0/0x20d0
[ 612.250030][T11211] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.250059][T11211] ? sb_set_blocksize+0x104/0x180
[ 612.250086][T11211] ? setup_bdev_super+0x4c1/0x5b0
[ 612.250116][T11211] get_tree_bdev_flags+0x40b/0x4d0
[ 612.250141][T11211] ? __pfx_gfs2_fill_super+0x10/0x10
[ 612.250165][T11211] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 612.250201][T11211] gfs2_get_tree+0x51/0x1e0
[ 612.250228][T11211] vfs_get_tree+0x8f/0x2b0
[ 612.250256][T11211] do_new_mount+0x2a2/0x9e0
[ 612.250286][T11211] ? ns_capable+0x8a/0xf0
[ 612.250315][T11211] ? __pfx_do_new_mount+0x10/0x10
[ 612.250340][T11211] ? path_mount+0x61c/0xfe0
[ 612.250364][T11211] ? user_path_at+0x44/0x60
[ 612.250401][T11211] __se_sys_mount+0x317/0x410
[ 612.250434][T11211] ? __pfx___se_sys_mount+0x10/0x10
[ 612.250466][T11211] ? do_syscall_64+0xbe/0x3b0
[ 612.250493][T11211] ? __x64_sys_mount+0x20/0xc0
[ 612.250522][T11211] do_syscall_64+0xfa/0x3b0
[ 612.250548][T11211] ? lockdep_hardirqs_on+0x9c/0x150
[ 612.250574][T11211] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.250594][T11211] ? clear_bhb_loop+0x60/0xb0
[ 612.250618][T11211] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 612.250637][T11211] RIP: 0033:0x7f55bc2b5f4a
[ 612.250655][T11211] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 612.250673][T11211] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 612.250695][T11211] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 612.250711][T11211] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 612.250729][T11211] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 612.250743][T11211] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 612.250757][T11211] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 612.250789][T11211]
[ 612.250845][T11211] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 612.600948][T11211] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 613.027601][T11219] loop1: detected capacity change from 0 to 32768
executing program
[ 613.086477][T11219] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 613.136947][T11221] loop0: detected capacity change from 0 to 32768
[ 613.151604][T11219] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 613.200765][T11221] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 613.209022][T11221] CPU: 0 UID: 0 PID: 11221 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 613.209052][T11221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 613.209065][T11221] Call Trace:
[ 613.209074][T11221]
[ 613.209083][T11221] dump_stack_lvl+0x189/0x250
[ 613.209114][T11221] ? __pfx_dump_stack_lvl+0x10/0x10
[ 613.209137][T11221] ? __pfx__printk+0x10/0x10
[ 613.209168][T11221] ? kernfs_path_from_node+0x250/0x290
[ 613.209187][T11221] ? kernfs_path_from_node+0x2f/0x290
[ 613.209212][T11221] sysfs_create_dir_ns+0x259/0x280
[ 613.209245][T11221] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 613.209277][T11221] ? do_raw_spin_unlock+0x122/0x240
[ 613.209304][T11221] kobject_add_internal+0x59f/0xb40
[ 613.209332][T11221] kobject_init_and_add+0x125/0x190
[ 613.209369][T11221] ? __pfx_kobject_init_and_add+0x10/0x10
[ 613.209400][T11221] ? __raw_spin_lock_init+0x45/0x100
[ 613.209425][T11221] ? __init_swait_queue_head+0xa9/0x150
[ 613.209451][T11221] gfs2_sys_fs_add+0x234/0x450
[ 613.209484][T11221] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 613.209527][T11221] ? is_dynamic_key+0xd6/0x1c0
[ 613.209552][T11221] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 613.209592][T11221] gfs2_fill_super+0x13c0/0x20d0
[ 613.209633][T11221] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.209662][T11221] ? sb_set_blocksize+0x104/0x180
[ 613.209688][T11221] ? setup_bdev_super+0x4c1/0x5b0
[ 613.209717][T11221] get_tree_bdev_flags+0x40b/0x4d0
[ 613.209742][T11221] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.209766][T11221] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 613.209802][T11221] gfs2_get_tree+0x51/0x1e0
[ 613.209828][T11221] vfs_get_tree+0x8f/0x2b0
[ 613.209856][T11221] do_new_mount+0x2a2/0x9e0
[ 613.209886][T11221] ? ns_capable+0x8a/0xf0
[ 613.209914][T11221] ? __pfx_do_new_mount+0x10/0x10
[ 613.209939][T11221] ? path_mount+0x61c/0xfe0
[ 613.209963][T11221] ? user_path_at+0x44/0x60
[ 613.209993][T11221] __se_sys_mount+0x317/0x410
[ 613.210027][T11221] ? __pfx___se_sys_mount+0x10/0x10
[ 613.210060][T11221] ? do_syscall_64+0xbe/0x3b0
[ 613.210087][T11221] ? __x64_sys_mount+0x20/0xc0
[ 613.210116][T11221] do_syscall_64+0xfa/0x3b0
[ 613.210143][T11221] ? lockdep_hardirqs_on+0x9c/0x150
[ 613.210169][T11221] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.210189][T11221] ? clear_bhb_loop+0x60/0xb0
[ 613.210213][T11221] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.210232][T11221] RIP: 0033:0x7f55bc2b5f4a
[ 613.210251][T11221] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 613.210269][T11221] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 613.210291][T11221] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 613.210306][T11221] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 613.210320][T11221] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 613.210335][T11221] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 613.210349][T11221] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 613.210379][T11221]
[ 613.210407][T11221] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 613.254444][T11219] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 613.399140][T11221] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 613.736016][ T929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 613.749037][ T929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 613.803528][T11231] loop2: detected capacity change from 0 to 32768
[ 613.864328][T11231] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 613.889008][T11231] CPU: 1 UID: 0 PID: 11231 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 613.889039][T11231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 613.889051][T11231] Call Trace:
[ 613.889059][T11231]
[ 613.889067][T11231] dump_stack_lvl+0x189/0x250
[ 613.889094][T11231] ? __pfx_dump_stack_lvl+0x10/0x10
[ 613.889113][T11231] ? __pfx__printk+0x10/0x10
[ 613.889140][T11231] ? kernfs_path_from_node+0x250/0x290
[ 613.889157][T11231] ? kernfs_path_from_node+0x2f/0x290
[ 613.889177][T11231] sysfs_create_dir_ns+0x259/0x280
[ 613.889206][T11231] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 613.889234][T11231] ? do_raw_spin_unlock+0x122/0x240
[ 613.889257][T11231] kobject_add_internal+0x59f/0xb40
[ 613.889351][T11231] kobject_init_and_add+0x125/0x190
[ 613.889394][T11231] ? __pfx_kobject_init_and_add+0x10/0x10
[ 613.889422][T11231] ? __raw_spin_lock_init+0x45/0x100
[ 613.889452][T11231] ? __init_swait_queue_head+0xa9/0x150
[ 613.889475][T11231] gfs2_sys_fs_add+0x234/0x450
[ 613.889505][T11231] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 613.889537][T11231] ? is_dynamic_key+0xd6/0x1c0
[ 613.889560][T11231] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 613.889595][T11231] gfs2_fill_super+0x13c0/0x20d0
[ 613.889631][T11231] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.889659][T11231] ? sb_set_blocksize+0x104/0x180
[ 613.889683][T11231] ? setup_bdev_super+0x4c1/0x5b0
[ 613.889709][T11231] get_tree_bdev_flags+0x40b/0x4d0
[ 613.889732][T11231] ? __pfx_gfs2_fill_super+0x10/0x10
[ 613.889754][T11231] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 613.889786][T11231] gfs2_get_tree+0x51/0x1e0
[ 613.889811][T11231] vfs_get_tree+0x8f/0x2b0
[ 613.889836][T11231] do_new_mount+0x2a2/0x9e0
[ 613.889866][T11231] ? ns_capable+0x8a/0xf0
[ 613.889894][T11231] ? __pfx_do_new_mount+0x10/0x10
[ 613.889917][T11231] ? path_mount+0x61c/0xfe0
[ 613.889938][T11231] ? user_path_at+0x44/0x60
[ 613.889966][T11231] __se_sys_mount+0x317/0x410
[ 613.889998][T11231] ? __pfx___se_sys_mount+0x10/0x10
[ 613.890028][T11231] ? do_syscall_64+0xbe/0x3b0
[ 613.890052][T11231] ? __x64_sys_mount+0x20/0xc0
[ 613.890079][T11231] do_syscall_64+0xfa/0x3b0
[ 613.890104][T11231] ? lockdep_hardirqs_on+0x9c/0x150
[ 613.890129][T11231] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.890146][T11231] ? clear_bhb_loop+0x60/0xb0
[ 613.890167][T11231] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 613.890185][T11231] RIP: 0033:0x7f55bc2b5f4a
[ 613.890203][T11231] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 613.890219][T11231] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 613.890238][T11231] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 613.890252][T11231] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 613.890264][T11231] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 613.890277][T11231] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 613.890289][T11231] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 613.890316][T11231]
[ 613.890356][T11231] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 614.149827][ T929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 400ms
[ 614.233661][T11231] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 614.336723][ T929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 614.389044][T11219] gfs2: fsid=syz:syz.0: first mount done, others may mount
executing program
[ 614.643959][T11240] loop3: detected capacity change from 0 to 32768
[ 614.690128][T11240] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 614.714220][T11240] CPU: 0 UID: 0 PID: 11240 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 614.714249][T11240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 614.714261][T11240] Call Trace:
[ 614.714269][T11240]
[ 614.714277][T11240] dump_stack_lvl+0x189/0x250
[ 614.714307][T11240] ? __pfx_dump_stack_lvl+0x10/0x10
[ 614.714329][T11240] ? __pfx__printk+0x10/0x10
[ 614.714372][T11240] ? kernfs_path_from_node+0x250/0x290
[ 614.714390][T11240] ? kernfs_path_from_node+0x2f/0x290
[ 614.714413][T11240] sysfs_create_dir_ns+0x259/0x280
[ 614.714446][T11240] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 614.714478][T11240] ? do_raw_spin_unlock+0x122/0x240
[ 614.714505][T11240] kobject_add_internal+0x59f/0xb40
[ 614.714534][T11240] kobject_init_and_add+0x125/0x190
[ 614.714567][T11240] ? __pfx_kobject_init_and_add+0x10/0x10
[ 614.714598][T11240] ? __raw_spin_lock_init+0x45/0x100
[ 614.714622][T11240] ? __init_swait_queue_head+0xa9/0x150
[ 614.714647][T11240] gfs2_sys_fs_add+0x234/0x450
[ 614.714679][T11240] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 614.714717][T11240] ? is_dynamic_key+0xd6/0x1c0
[ 614.714743][T11240] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 614.714782][T11240] gfs2_fill_super+0x13c0/0x20d0
[ 614.714822][T11240] ? __pfx_gfs2_fill_super+0x10/0x10
[ 614.714850][T11240] ? sb_set_blocksize+0x104/0x180
[ 614.714876][T11240] ? setup_bdev_super+0x4c1/0x5b0
[ 614.714904][T11240] get_tree_bdev_flags+0x40b/0x4d0
[ 614.714929][T11240] ? __pfx_gfs2_fill_super+0x10/0x10
[ 614.714954][T11240] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 614.714989][T11240] gfs2_get_tree+0x51/0x1e0
[ 614.715015][T11240] vfs_get_tree+0x8f/0x2b0
[ 614.715042][T11240] do_new_mount+0x2a2/0x9e0
[ 614.715073][T11240] ? ns_capable+0x8a/0xf0
[ 614.715100][T11240] ? __pfx_do_new_mount+0x10/0x10
[ 614.715126][T11240] ? path_mount+0x61c/0xfe0
[ 614.715150][T11240] ? user_path_at+0x44/0x60
[ 614.715180][T11240] __se_sys_mount+0x317/0x410
[ 614.715212][T11240] ? __pfx___se_sys_mount+0x10/0x10
[ 614.715244][T11240] ? do_syscall_64+0xbe/0x3b0
[ 614.715268][T11240] ? __x64_sys_mount+0x20/0xc0
[ 614.715297][T11240] do_syscall_64+0xfa/0x3b0
[ 614.715321][T11240] ? lockdep_hardirqs_on+0x9c/0x150
[ 614.715354][T11240] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.715374][T11240] ? clear_bhb_loop+0x60/0xb0
[ 614.715399][T11240] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 614.715418][T11240] RIP: 0033:0x7f55bc2b5f4a
[ 614.715437][T11240] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 614.715455][T11240] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 614.715476][T11240] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 614.715491][T11240] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 614.715506][T11240] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 614.715520][T11240] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 614.715534][T11240] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 614.715565][T11240]
[ 614.715592][T11240] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 615.108919][T11240] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 615.292726][T11246] loop4: detected capacity change from 0 to 32768
[ 615.342792][T11246] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 615.402449][T11246] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
executing program
[ 615.549940][T11246] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 615.559912][T10708] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 615.566731][T10708] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 615.830362][T10708] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 263ms
[ 615.862673][T10708] gfs2: fsid=syz:syz.0: jid=0: Done
[ 615.867975][T11246] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 616.129993][T11256] loop2: detected capacity change from 0 to 32768
[ 616.180330][T11256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 616.219611][T11256] CPU: 1 UID: 0 PID: 11256 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 616.219642][T11256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 616.219654][T11256] Call Trace:
[ 616.219663][T11256]
[ 616.219672][T11256] dump_stack_lvl+0x189/0x250
[ 616.219703][T11256] ? __pfx_dump_stack_lvl+0x10/0x10
[ 616.219725][T11256] ? __pfx__printk+0x10/0x10
[ 616.219757][T11256] ? kernfs_path_from_node+0x250/0x290
[ 616.219776][T11256] ? kernfs_path_from_node+0x2f/0x290
[ 616.219800][T11256] sysfs_create_dir_ns+0x259/0x280
[ 616.219832][T11256] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 616.219864][T11256] ? do_raw_spin_unlock+0x122/0x240
[ 616.219892][T11256] kobject_add_internal+0x59f/0xb40
[ 616.219921][T11256] kobject_init_and_add+0x125/0x190
[ 616.219963][T11256] ? __pfx_kobject_init_and_add+0x10/0x10
[ 616.219995][T11256] ? __raw_spin_lock_init+0x45/0x100
[ 616.220019][T11256] ? __init_swait_queue_head+0xa9/0x150
[ 616.220045][T11256] gfs2_sys_fs_add+0x234/0x450
[ 616.220077][T11256] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 616.220111][T11256] ? is_dynamic_key+0xd6/0x1c0
[ 616.220136][T11256] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 616.220174][T11256] gfs2_fill_super+0x13c0/0x20d0
[ 616.220215][T11256] ? __pfx_gfs2_fill_super+0x10/0x10
[ 616.220243][T11256] ? sb_set_blocksize+0x104/0x180
[ 616.220270][T11256] ? setup_bdev_super+0x4c1/0x5b0
[ 616.220296][T11256] get_tree_bdev_flags+0x40b/0x4d0
[ 616.220321][T11256] ? __pfx_gfs2_fill_super+0x10/0x10
[ 616.220345][T11256] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 616.220380][T11256] gfs2_get_tree+0x51/0x1e0
[ 616.220407][T11256] vfs_get_tree+0x8f/0x2b0
[ 616.220434][T11256] do_new_mount+0x2a2/0x9e0
[ 616.220464][T11256] ? ns_capable+0x8a/0xf0
[ 616.220492][T11256] ? __pfx_do_new_mount+0x10/0x10
[ 616.220517][T11256] ? path_mount+0x61c/0xfe0
[ 616.220537][T11256] ? user_path_at+0x44/0x60
[ 616.220567][T11256] __se_sys_mount+0x317/0x410
[ 616.220598][T11256] ? __pfx___se_sys_mount+0x10/0x10
[ 616.220628][T11256] ? do_syscall_64+0xbe/0x3b0
[ 616.220651][T11256] ? __x64_sys_mount+0x20/0xc0
[ 616.220675][T11256] do_syscall_64+0xfa/0x3b0
[ 616.220698][T11256] ? lockdep_hardirqs_on+0x9c/0x150
[ 616.220720][T11256] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.220737][T11256] ? clear_bhb_loop+0x60/0xb0
[ 616.220758][T11256] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 616.220774][T11256] RIP: 0033:0x7f55bc2b5f4a
[ 616.220790][T11256] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 616.220805][T11256] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 616.220823][T11256] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 616.220837][T11256] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 616.220849][T11256] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 616.220862][T11256] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 616.220874][T11256] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 616.220899][T11256]
[ 616.220930][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.
[ 616.545242][T11262] loop0: detected capacity change from 0 to 32768
[ 616.565768][T11256] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 616.713894][T11262] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 616.780063][T11262] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 616.972191][T11279] loop1: detected capacity change from 0 to 32768
[ 617.019228][T11262] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 617.034468][T11279] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 617.054136][ T929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
executing program
[ 617.068933][ T929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 617.088985][T11279] CPU: 1 UID: 0 PID: 11279 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 617.089016][T11279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 617.089038][T11279] Call Trace:
[ 617.089058][T11279]
[ 617.089067][T11279] dump_stack_lvl+0x189/0x250
[ 617.089097][T11279] ? __pfx_dump_stack_lvl+0x10/0x10
[ 617.089120][T11279] ? __pfx__printk+0x10/0x10
[ 617.089152][T11279] ? kernfs_path_from_node+0x250/0x290
[ 617.089171][T11279] ? kernfs_path_from_node+0x2f/0x290
[ 617.089196][T11279] sysfs_create_dir_ns+0x259/0x280
[ 617.089228][T11279] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 617.089261][T11279] ? do_raw_spin_unlock+0x122/0x240
[ 617.089289][T11279] kobject_add_internal+0x59f/0xb40
[ 617.089318][T11279] kobject_init_and_add+0x125/0x190
[ 617.089354][T11279] ? __pfx_kobject_init_and_add+0x10/0x10
[ 617.089385][T11279] ? __raw_spin_lock_init+0x45/0x100
[ 617.089409][T11279] ? __init_swait_queue_head+0xa9/0x150
[ 617.089435][T11279] gfs2_sys_fs_add+0x234/0x450
[ 617.089468][T11279] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 617.089505][T11279] ? is_dynamic_key+0xd6/0x1c0
[ 617.089530][T11279] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 617.089570][T11279] gfs2_fill_super+0x13c0/0x20d0
[ 617.089616][T11279] ? __pfx_gfs2_fill_super+0x10/0x10
[ 617.089645][T11279] ? sb_set_blocksize+0x104/0x180
[ 617.089672][T11279] ? setup_bdev_super+0x4c1/0x5b0
[ 617.089700][T11279] get_tree_bdev_flags+0x40b/0x4d0
[ 617.089725][T11279] ? __pfx_gfs2_fill_super+0x10/0x10
[ 617.089749][T11279] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 617.089785][T11279] gfs2_get_tree+0x51/0x1e0
[ 617.089811][T11279] vfs_get_tree+0x8f/0x2b0
[ 617.089839][T11279] do_new_mount+0x2a2/0x9e0
[ 617.089870][T11279] ? ns_capable+0x8a/0xf0
[ 617.089898][T11279] ? __pfx_do_new_mount+0x10/0x10
[ 617.089924][T11279] ? path_mount+0x61c/0xfe0
[ 617.089947][T11279] ? user_path_at+0x44/0x60
[ 617.089977][T11279] __se_sys_mount+0x317/0x410
[ 617.090010][T11279] ? __pfx___se_sys_mount+0x10/0x10
[ 617.090049][T11279] ? do_syscall_64+0xbe/0x3b0
[ 617.090076][T11279] ? __x64_sys_mount+0x20/0xc0
[ 617.090106][T11279] do_syscall_64+0xfa/0x3b0
[ 617.090133][T11279] ? lockdep_hardirqs_on+0x9c/0x150
[ 617.090160][T11279] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.090180][T11279] ? clear_bhb_loop+0x60/0xb0
[ 617.090203][T11279] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.090222][T11279] RIP: 0033:0x7f55bc2b5f4a
[ 617.090240][T11279] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 617.090257][T11279] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 617.090280][T11279] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 617.090296][T11279] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 617.090310][T11279] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 617.090325][T11279] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 617.090339][T11279] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 617.090371][T11279]
[ 617.090422][T11279] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 617.437901][T11272] loop3: detected capacity change from 0 to 32768
[ 617.484383][T11272] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 617.509091][T11279] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 617.515967][T11272] CPU: 0 UID: 0 PID: 11272 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 617.515997][T11272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 617.516019][T11272] Call Trace:
[ 617.516028][T11272]
[ 617.516038][T11272] dump_stack_lvl+0x189/0x250
[ 617.516069][T11272] ? __pfx_dump_stack_lvl+0x10/0x10
[ 617.516091][T11272] ? __pfx__printk+0x10/0x10
[ 617.516122][T11272] ? kernfs_path_from_node+0x250/0x290
[ 617.516143][T11272] ? kernfs_path_from_node+0x2f/0x290
[ 617.516168][T11272] sysfs_create_dir_ns+0x259/0x280
[ 617.516202][T11272] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 617.516237][T11272] ? do_raw_spin_unlock+0x122/0x240
[ 617.516264][T11272] kobject_add_internal+0x59f/0xb40
[ 617.516292][T11272] kobject_init_and_add+0x125/0x190
[ 617.516326][T11272] ? __pfx_kobject_init_and_add+0x10/0x10
[ 617.516357][T11272] ? __raw_spin_lock_init+0x45/0x100
[ 617.516381][T11272] ? __init_swait_queue_head+0xa9/0x150
[ 617.516407][T11272] gfs2_sys_fs_add+0x234/0x450
[ 617.516441][T11272] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 617.516478][T11272] ? is_dynamic_key+0xd6/0x1c0
[ 617.516503][T11272] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 617.516565][T11272] gfs2_fill_super+0x13c0/0x20d0
[ 617.516605][T11272] ? __pfx_gfs2_fill_super+0x10/0x10
[ 617.516634][T11272] ? sb_set_blocksize+0x104/0x180
[ 617.516658][T11272] ? setup_bdev_super+0x4c1/0x5b0
[ 617.516685][T11272] get_tree_bdev_flags+0x40b/0x4d0
[ 617.516709][T11272] ? __pfx_gfs2_fill_super+0x10/0x10
[ 617.516732][T11272] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 617.516766][T11272] gfs2_get_tree+0x51/0x1e0
[ 617.516793][T11272] vfs_get_tree+0x8f/0x2b0
[ 617.516820][T11272] do_new_mount+0x2a2/0x9e0
[ 617.516851][T11272] ? ns_capable+0x8a/0xf0
[ 617.516879][T11272] ? __pfx_do_new_mount+0x10/0x10
[ 617.516908][T11272] ? path_mount+0x61c/0xfe0
[ 617.516932][T11272] ? user_path_at+0x44/0x60
[ 617.516962][T11272] __se_sys_mount+0x317/0x410
[ 617.516995][T11272] ? __pfx___se_sys_mount+0x10/0x10
[ 617.517035][T11272] ? do_syscall_64+0xbe/0x3b0
[ 617.517061][T11272] ? __x64_sys_mount+0x20/0xc0
[ 617.517089][T11272] do_syscall_64+0xfa/0x3b0
[ 617.517115][T11272] ? lockdep_hardirqs_on+0x9c/0x150
[ 617.517140][T11272] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.517158][T11272] ? clear_bhb_loop+0x60/0xb0
[ 617.517181][T11272] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 617.517199][T11272] RIP: 0033:0x7f55bc2b5f4a
[ 617.517219][T11272] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 617.517237][T11272] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 617.517258][T11272] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 617.517273][T11272] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 617.517287][T11272] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 617.517301][T11272] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 617.517315][T11272] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 617.517353][T11272]
[ 617.835509][T11272] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 617.852217][T11272] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 617.866151][ T929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 797ms
[ 617.874168][ T929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 617.879685][T11262] gfs2: fsid=syz:syz.0: first mount done, others may mount
executing program
executing program
executing program
[ 618.748730][T11293] loop2: detected capacity change from 0 to 32768
[ 618.811466][T11293] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 618.848942][T11293] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 618.924616][T11293] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 618.979823][T10708] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 618.986647][T10708] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 619.107679][T10708] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 121ms
[ 619.129097][T10708] gfs2: fsid=syz:syz.0: jid=0: Done
[ 619.134608][T11293] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 619.217203][T11304] loop4: detected capacity change from 0 to 32768
[ 619.289089][T11304] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 619.304553][T11312] loop1: detected capacity change from 0 to 32768
[ 619.324770][T11312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 619.348942][T11312] CPU: 1 UID: 0 PID: 11312 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 619.348975][T11312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 619.348988][T11312] Call Trace:
[ 619.348998][T11312]
[ 619.349007][T11312] dump_stack_lvl+0x189/0x250
[ 619.349037][T11312] ? __pfx_dump_stack_lvl+0x10/0x10
[ 619.349064][T11312] ? __pfx__printk+0x10/0x10
[ 619.349093][T11312] ? kernfs_path_from_node+0x250/0x290
[ 619.349112][T11312] ? kernfs_path_from_node+0x2f/0x290
[ 619.349134][T11312] sysfs_create_dir_ns+0x259/0x280
[ 619.349166][T11312] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 619.349196][T11312] ? do_raw_spin_unlock+0x122/0x240
[ 619.349222][T11312] kobject_add_internal+0x59f/0xb40
[ 619.349249][T11312] kobject_init_and_add+0x125/0x190
[ 619.349283][T11312] ? __pfx_kobject_init_and_add+0x10/0x10
[ 619.349314][T11312] ? __raw_spin_lock_init+0x45/0x100
[ 619.349336][T11312] ? __init_swait_queue_head+0xa9/0x150
[ 619.349362][T11312] gfs2_sys_fs_add+0x234/0x450
[ 619.349394][T11312] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 619.349429][T11312] ? is_dynamic_key+0xd6/0x1c0
[ 619.349454][T11312] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 619.349493][T11312] gfs2_fill_super+0x13c0/0x20d0
[ 619.349541][T11312] ? __pfx_gfs2_fill_super+0x10/0x10
[ 619.349569][T11312] ? sb_set_blocksize+0x104/0x180
[ 619.349596][T11312] ? setup_bdev_super+0x4c1/0x5b0
[ 619.349625][T11312] get_tree_bdev_flags+0x40b/0x4d0
[ 619.349651][T11312] ? __pfx_gfs2_fill_super+0x10/0x10
[ 619.349674][T11312] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 619.349709][T11312] gfs2_get_tree+0x51/0x1e0
[ 619.349734][T11312] vfs_get_tree+0x8f/0x2b0
[ 619.349761][T11312] do_new_mount+0x2a2/0x9e0
[ 619.349789][T11312] ? ns_capable+0x8a/0xf0
[ 619.349816][T11312] ? __pfx_do_new_mount+0x10/0x10
[ 619.349840][T11312] ? path_mount+0x61c/0xfe0
[ 619.349862][T11312] ? user_path_at+0x44/0x60
[ 619.349891][T11312] __se_sys_mount+0x317/0x410
[ 619.349923][T11312] ? __pfx___se_sys_mount+0x10/0x10
[ 619.349955][T11312] ? do_syscall_64+0xbe/0x3b0
[ 619.349980][T11312] ? __x64_sys_mount+0x20/0xc0
[ 619.350008][T11312] do_syscall_64+0xfa/0x3b0
[ 619.350034][T11312] ? lockdep_hardirqs_on+0x9c/0x150
[ 619.350058][T11312] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.350078][T11312] ? clear_bhb_loop+0x60/0xb0
[ 619.350102][T11312] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.350121][T11312] RIP: 0033:0x7f55bc2b5f4a
[ 619.350140][T11312] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 619.350157][T11312] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 619.350178][T11312] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 619.350193][T11312] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
executing program
[ 619.350208][T11312] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 619.350222][T11312] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 619.350236][T11312] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 619.350269][T11312]
[ 619.350298][T11312] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 619.362657][T11304] CPU: 0 UID: 0 PID: 11304 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 619.362690][T11304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 619.362703][T11304] Call Trace:
[ 619.362711][T11304]
[ 619.362719][T11304] dump_stack_lvl+0x189/0x250
[ 619.362754][T11304] ? __pfx_dump_stack_lvl+0x10/0x10
[ 619.362776][T11304] ? __pfx__printk+0x10/0x10
[ 619.362806][T11304] ? kernfs_path_from_node+0x250/0x290
[ 619.362825][T11304] ? kernfs_path_from_node+0x2f/0x290
[ 619.362848][T11304] sysfs_create_dir_ns+0x259/0x280
[ 619.362882][T11304] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 619.362913][T11304] ? do_raw_spin_unlock+0x122/0x240
[ 619.362939][T11304] kobject_add_internal+0x59f/0xb40
[ 619.362968][T11304] kobject_init_and_add+0x125/0x190
[ 619.363002][T11304] ? __pfx_kobject_init_and_add+0x10/0x10
[ 619.363033][T11304] ? __raw_spin_lock_init+0x45/0x100
[ 619.363057][T11304] ? __init_swait_queue_head+0xa9/0x150
[ 619.363081][T11304] gfs2_sys_fs_add+0x234/0x450
[ 619.363113][T11304] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 619.363153][T11304] ? is_dynamic_key+0xd6/0x1c0
[ 619.363178][T11304] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 619.363216][T11304] gfs2_fill_super+0x13c0/0x20d0
[ 619.363255][T11304] ? __pfx_gfs2_fill_super+0x10/0x10
[ 619.363282][T11304] ? sb_set_blocksize+0x104/0x180
[ 619.363308][T11304] ? setup_bdev_super+0x4c1/0x5b0
[ 619.363335][T11304] get_tree_bdev_flags+0x40b/0x4d0
[ 619.363355][T11304] ? __pfx_gfs2_fill_super+0x10/0x10
[ 619.363376][T11304] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 619.363406][T11304] gfs2_get_tree+0x51/0x1e0
[ 619.363429][T11304] vfs_get_tree+0x8f/0x2b0
[ 619.363454][T11304] do_new_mount+0x2a2/0x9e0
[ 619.363483][T11304] ? ns_capable+0x8a/0xf0
[ 619.363517][T11304] ? __pfx_do_new_mount+0x10/0x10
[ 619.363540][T11304] ? path_mount+0x61c/0xfe0
[ 619.363566][T11304] ? user_path_at+0x44/0x60
[ 619.363595][T11304] __se_sys_mount+0x317/0x410
[ 619.363628][T11304] ? __pfx___se_sys_mount+0x10/0x10
[ 619.363665][T11304] ? do_syscall_64+0xbe/0x3b0
[ 619.363696][T11304] ? __x64_sys_mount+0x20/0xc0
[ 619.363724][T11304] do_syscall_64+0xfa/0x3b0
[ 619.363748][T11304] ? lockdep_hardirqs_on+0x9c/0x150
[ 619.363773][T11304] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.363792][T11304] ? clear_bhb_loop+0x60/0xb0
[ 619.363816][T11304] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 619.363835][T11304] RIP: 0033:0x7f55bc2b5f4a
[ 619.363853][T11304] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 619.363871][T11304] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 619.363891][T11304] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 619.363906][T11304] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 619.363924][T11304] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 619.363938][T11304] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
executing program
[ 619.363952][T11304] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 619.363982][T11304]
[ 619.365049][T11304] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 619.447895][T11312] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 619.460237][T11304] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 620.397366][T11315] loop0: detected capacity change from 0 to 32768
[ 620.514055][T11315] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
executing program
[ 620.599032][T11315] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 620.662713][T11315] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 620.709024][ T929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 620.715845][ T929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 620.869150][T11317] loop3: detected capacity change from 0 to 32768
[ 620.933024][T11317] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 620.983174][T11317] CPU: 1 UID: 0 PID: 11317 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 620.983204][T11317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 620.983218][T11317] Call Trace:
[ 620.983226][T11317]
[ 620.983235][T11317] dump_stack_lvl+0x189/0x250
[ 620.983267][T11317] ? __pfx_dump_stack_lvl+0x10/0x10
[ 620.983290][T11317] ? __pfx__printk+0x10/0x10
[ 620.983331][T11317] ? kernfs_path_from_node+0x250/0x290
[ 620.983349][T11317] ? kernfs_path_from_node+0x2f/0x290
[ 620.983370][T11317] sysfs_create_dir_ns+0x259/0x280
[ 620.983400][T11317] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 620.983429][T11317] ? do_raw_spin_unlock+0x122/0x240
[ 620.983457][T11317] kobject_add_internal+0x59f/0xb40
[ 620.983486][T11317] kobject_init_and_add+0x125/0x190
[ 620.983521][T11317] ? __pfx_kobject_init_and_add+0x10/0x10
[ 620.983552][T11317] ? __raw_spin_lock_init+0x45/0x100
[ 620.983574][T11317] ? __init_swait_queue_head+0xa9/0x150
[ 620.983600][T11317] gfs2_sys_fs_add+0x234/0x450
[ 620.983633][T11317] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 620.983669][T11317] ? is_dynamic_key+0xd6/0x1c0
[ 620.983694][T11317] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 620.983733][T11317] gfs2_fill_super+0x13c0/0x20d0
[ 620.983774][T11317] ? __pfx_gfs2_fill_super+0x10/0x10
[ 620.983807][T11317] ? sb_set_blocksize+0x104/0x180
[ 620.983833][T11317] ? setup_bdev_super+0x4c1/0x5b0
[ 620.983861][T11317] get_tree_bdev_flags+0x40b/0x4d0
[ 620.983885][T11317] ? __pfx_gfs2_fill_super+0x10/0x10
[ 620.983909][T11317] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 620.983945][T11317] gfs2_get_tree+0x51/0x1e0
[ 620.983972][T11317] vfs_get_tree+0x8f/0x2b0
[ 620.983999][T11317] do_new_mount+0x2a2/0x9e0
[ 620.984029][T11317] ? ns_capable+0x8a/0xf0
[ 620.984057][T11317] ? __pfx_do_new_mount+0x10/0x10
[ 620.984082][T11317] ? path_mount+0x61c/0xfe0
[ 620.984106][T11317] ? user_path_at+0x44/0x60
[ 620.984136][T11317] __se_sys_mount+0x317/0x410
[ 620.984169][T11317] ? __pfx___se_sys_mount+0x10/0x10
[ 620.984202][T11317] ? do_syscall_64+0xbe/0x3b0
[ 620.984228][T11317] ? __x64_sys_mount+0x20/0xc0
[ 620.984257][T11317] do_syscall_64+0xfa/0x3b0
[ 620.984284][T11317] ? lockdep_hardirqs_on+0x9c/0x150
[ 620.984317][T11317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 620.984336][T11317] ? clear_bhb_loop+0x60/0xb0
[ 620.984360][T11317] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 620.984381][T11317] RIP: 0033:0x7f55bc2b5f4a
[ 620.984399][T11317] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 620.984419][T11317] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 620.984440][T11317] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 620.984456][T11317] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 620.984470][T11317] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 620.984485][T11317] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 620.984498][T11317] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 620.984528][T11317]
[ 620.987379][T11317] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 621.005106][ T929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 289ms
[ 621.349126][T11317] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 621.657425][ T929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 621.665456][T11315] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 621.746928][T11337] loop4: detected capacity change from 0 to 32768
[ 621.792636][T11334] loop1: detected capacity change from 0 to 32768
[ 621.802890][T11337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 621.819164][T11337] CPU: 0 UID: 0 PID: 11337 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 621.819196][T11337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 621.819209][T11337] Call Trace:
[ 621.819218][T11337]
[ 621.819228][T11337] dump_stack_lvl+0x189/0x250
[ 621.819267][T11337] ? __pfx_dump_stack_lvl+0x10/0x10
[ 621.819290][T11337] ? __pfx__printk+0x10/0x10
[ 621.819323][T11337] ? kernfs_path_from_node+0x250/0x290
[ 621.819343][T11337] ? kernfs_path_from_node+0x2f/0x290
[ 621.819368][T11337] sysfs_create_dir_ns+0x259/0x280
[ 621.819402][T11337] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 621.819435][T11337] ? do_raw_spin_unlock+0x122/0x240
[ 621.819463][T11337] kobject_add_internal+0x59f/0xb40
[ 621.819491][T11337] kobject_init_and_add+0x125/0x190
[ 621.819528][T11337] ? __pfx_kobject_init_and_add+0x10/0x10
[ 621.819560][T11337] ? __raw_spin_lock_init+0x45/0x100
[ 621.819584][T11337] ? __init_swait_queue_head+0xa9/0x150
[ 621.819611][T11337] gfs2_sys_fs_add+0x234/0x450
[ 621.819644][T11337] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 621.819681][T11337] ? is_dynamic_key+0xd6/0x1c0
[ 621.819707][T11337] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 621.819747][T11337] gfs2_fill_super+0x13c0/0x20d0
[ 621.819789][T11337] ? __pfx_gfs2_fill_super+0x10/0x10
[ 621.819818][T11337] ? sb_set_blocksize+0x104/0x180
[ 621.819846][T11337] ? setup_bdev_super+0x4c1/0x5b0
[ 621.819875][T11337] get_tree_bdev_flags+0x40b/0x4d0
[ 621.819899][T11337] ? __pfx_gfs2_fill_super+0x10/0x10
[ 621.819924][T11337] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 621.819961][T11337] gfs2_get_tree+0x51/0x1e0
[ 621.819989][T11337] vfs_get_tree+0x8f/0x2b0
[ 621.820017][T11337] do_new_mount+0x2a2/0x9e0
[ 621.820047][T11337] ? ns_capable+0x8a/0xf0
[ 621.820074][T11337] ? __pfx_do_new_mount+0x10/0x10
[ 621.820097][T11337] ? path_mount+0x61c/0xfe0
[ 621.820120][T11337] ? user_path_at+0x44/0x60
[ 621.820146][T11337] __se_sys_mount+0x317/0x410
[ 621.820178][T11337] ? __pfx___se_sys_mount+0x10/0x10
[ 621.820210][T11337] ? do_syscall_64+0xbe/0x3b0
[ 621.820243][T11337] ? __x64_sys_mount+0x20/0xc0
[ 621.820271][T11337] do_syscall_64+0xfa/0x3b0
[ 621.820298][T11337] ? lockdep_hardirqs_on+0x9c/0x150
[ 621.820325][T11337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.820345][T11337] ? clear_bhb_loop+0x60/0xb0
[ 621.820369][T11337] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 621.820389][T11337] RIP: 0033:0x7f55bc2b5f4a
[ 621.820407][T11337] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 621.820425][T11337] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 621.820447][T11337] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 621.820462][T11337] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 621.820477][T11337] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 621.820491][T11337] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 621.820505][T11337] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 621.820536][T11337]
[ 621.820999][T11337] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 622.199087][T11334] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 622.208041][T11337] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 622.225181][T11334] CPU: 0 UID: 0 PID: 11334 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 622.225213][T11334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 622.225226][T11334] Call Trace:
[ 622.225235][T11334]
[ 622.225243][T11334] dump_stack_lvl+0x189/0x250
[ 622.225274][T11334] ? __pfx_dump_stack_lvl+0x10/0x10
[ 622.225296][T11334] ? __pfx__printk+0x10/0x10
[ 622.225327][T11334] ? kernfs_path_from_node+0x250/0x290
[ 622.225347][T11334] ? kernfs_path_from_node+0x2f/0x290
[ 622.225370][T11334] sysfs_create_dir_ns+0x259/0x280
[ 622.225403][T11334] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 622.225442][T11334] ? do_raw_spin_unlock+0x122/0x240
[ 622.225470][T11334] kobject_add_internal+0x59f/0xb40
[ 622.225498][T11334] kobject_init_and_add+0x125/0x190
[ 622.225533][T11334] ? __pfx_kobject_init_and_add+0x10/0x10
[ 622.225564][T11334] ? __raw_spin_lock_init+0x45/0x100
[ 622.225588][T11334] ? __init_swait_queue_head+0xa9/0x150
[ 622.225613][T11334] gfs2_sys_fs_add+0x234/0x450
[ 622.225646][T11334] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 622.225681][T11334] ? is_dynamic_key+0xd6/0x1c0
[ 622.225706][T11334] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 622.225744][T11334] gfs2_fill_super+0x13c0/0x20d0
[ 622.225785][T11334] ? __pfx_gfs2_fill_super+0x10/0x10
[ 622.225813][T11334] ? sb_set_blocksize+0x104/0x180
[ 622.225839][T11334] ? setup_bdev_super+0x4c1/0x5b0
[ 622.225867][T11334] get_tree_bdev_flags+0x40b/0x4d0
[ 622.225891][T11334] ? __pfx_gfs2_fill_super+0x10/0x10
[ 622.225916][T11334] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 622.225951][T11334] gfs2_get_tree+0x51/0x1e0
[ 622.225978][T11334] vfs_get_tree+0x8f/0x2b0
[ 622.226005][T11334] do_new_mount+0x2a2/0x9e0
[ 622.226035][T11334] ? ns_capable+0x8a/0xf0
[ 622.226063][T11334] ? __pfx_do_new_mount+0x10/0x10
[ 622.226088][T11334] ? path_mount+0x61c/0xfe0
[ 622.226112][T11334] ? user_path_at+0x44/0x60
[ 622.226141][T11334] __se_sys_mount+0x317/0x410
[ 622.226173][T11334] ? __pfx___se_sys_mount+0x10/0x10
[ 622.226206][T11334] ? do_syscall_64+0xbe/0x3b0
[ 622.226232][T11334] ? __x64_sys_mount+0x20/0xc0
[ 622.226261][T11334] do_syscall_64+0xfa/0x3b0
[ 622.226287][T11334] ? lockdep_hardirqs_on+0x9c/0x150
[ 622.226313][T11334] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 622.226333][T11334] ? clear_bhb_loop+0x60/0xb0
[ 622.226357][T11334] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 622.226376][T11334] RIP: 0033:0x7f55bc2b5f4a
[ 622.226394][T11334] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 622.226411][T11334] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 622.226438][T11334] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 622.226454][T11334] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 622.226468][T11334] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 622.226483][T11334] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 622.226497][T11334] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 622.226527][T11334]
[ 622.226554][T11334] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 622.598901][T11334] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 622.905332][T11345] loop2: detected capacity change from 0 to 32768
[ 622.913290][T11353] loop3: detected capacity change from 0 to 32768
[ 622.974829][T11345] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 623.004806][T11353] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
executing program
executing program
[ 623.019023][T11345] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 623.067118][T11353] CPU: 0 UID: 0 PID: 11353 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 623.067150][T11353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 623.067163][T11353] Call Trace:
[ 623.067172][T11353]
[ 623.067180][T11353] dump_stack_lvl+0x189/0x250
[ 623.067211][T11353] ? __pfx_dump_stack_lvl+0x10/0x10
[ 623.067234][T11353] ? __pfx__printk+0x10/0x10
[ 623.067266][T11353] ? kernfs_path_from_node+0x250/0x290
[ 623.067285][T11353] ? kernfs_path_from_node+0x2f/0x290
[ 623.067310][T11353] sysfs_create_dir_ns+0x259/0x280
[ 623.067341][T11353] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 623.067374][T11353] ? do_raw_spin_unlock+0x122/0x240
[ 623.067401][T11353] kobject_add_internal+0x59f/0xb40
[ 623.067430][T11353] kobject_init_and_add+0x125/0x190
[ 623.067466][T11353] ? __pfx_kobject_init_and_add+0x10/0x10
[ 623.067498][T11353] ? __raw_spin_lock_init+0x45/0x100
[ 623.067522][T11353] ? __init_swait_queue_head+0xa9/0x150
[ 623.067547][T11353] gfs2_sys_fs_add+0x234/0x450
[ 623.067577][T11353] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 623.067609][T11353] ? is_dynamic_key+0xd6/0x1c0
[ 623.067631][T11353] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 623.067664][T11353] gfs2_fill_super+0x13c0/0x20d0
[ 623.067701][T11353] ? __pfx_gfs2_fill_super+0x10/0x10
[ 623.067727][T11353] ? sb_set_blocksize+0x104/0x180
[ 623.067753][T11353] ? setup_bdev_super+0x4c1/0x5b0
[ 623.067778][T11353] get_tree_bdev_flags+0x40b/0x4d0
[ 623.067802][T11353] ? __pfx_gfs2_fill_super+0x10/0x10
[ 623.067825][T11353] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 623.067861][T11353] gfs2_get_tree+0x51/0x1e0
[ 623.067886][T11353] vfs_get_tree+0x8f/0x2b0
[ 623.067911][T11353] do_new_mount+0x2a2/0x9e0
[ 623.067940][T11353] ? ns_capable+0x8a/0xf0
[ 623.067968][T11353] ? __pfx_do_new_mount+0x10/0x10
[ 623.067994][T11353] ? path_mount+0x61c/0xfe0
[ 623.068018][T11353] ? user_path_at+0x44/0x60
[ 623.068049][T11353] __se_sys_mount+0x317/0x410
[ 623.068083][T11353] ? __pfx___se_sys_mount+0x10/0x10
[ 623.068124][T11353] ? do_syscall_64+0xbe/0x3b0
[ 623.068152][T11353] ? __x64_sys_mount+0x20/0xc0
[ 623.068182][T11353] do_syscall_64+0xfa/0x3b0
[ 623.068209][T11353] ? lockdep_hardirqs_on+0x9c/0x150
[ 623.068237][T11353] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.068257][T11353] ? clear_bhb_loop+0x60/0xb0
[ 623.068281][T11353] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 623.068299][T11353] RIP: 0033:0x7f55bc2b5f4a
[ 623.068316][T11353] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 623.068335][T11353] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 623.068356][T11353] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 623.068372][T11353] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 623.068387][T11353] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 623.068401][T11353] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 623.068415][T11353] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 623.068446][T11353]
[ 623.068473][T11353] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 623.412877][T11353] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
[ 623.511873][T11345] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 623.587090][ T929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 623.604277][ T929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 623.957792][ T929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 353ms
[ 624.039094][ T929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 624.049636][T11345] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 624.456680][T11369] loop1: detected capacity change from 0 to 32768
[ 624.515760][T11379] loop0: detected capacity change from 0 to 32768
[ 624.523345][T11369] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 624.550532][T11369] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 624.599503][T11379] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 624.632951][T11369] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 624.640874][T11379] CPU: 1 UID: 0 PID: 11379 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 624.640912][T11379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 624.640925][T11379] Call Trace:
[ 624.640934][T11379]
[ 624.640943][T11379] dump_stack_lvl+0x189/0x250
[ 624.640986][T11379] ? __pfx_dump_stack_lvl+0x10/0x10
[ 624.641009][T11379] ? __pfx__printk+0x10/0x10
[ 624.641040][T11379] ? kernfs_path_from_node+0x250/0x290
[ 624.641060][T11379] ? kernfs_path_from_node+0x2f/0x290
[ 624.641084][T11379] sysfs_create_dir_ns+0x259/0x280
[ 624.641117][T11379] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 624.641149][T11379] ? do_raw_spin_unlock+0x122/0x240
[ 624.641176][T11379] kobject_add_internal+0x59f/0xb40
[ 624.641204][T11379] kobject_init_and_add+0x125/0x190
[ 624.641241][T11379] ? __pfx_kobject_init_and_add+0x10/0x10
[ 624.641272][T11379] ? __raw_spin_lock_init+0x45/0x100
[ 624.641295][T11379] ? __init_swait_queue_head+0xa9/0x150
[ 624.641321][T11379] gfs2_sys_fs_add+0x234/0x450
[ 624.641353][T11379] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 624.641389][T11379] ? is_dynamic_key+0xd6/0x1c0
[ 624.641414][T11379] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 624.641454][T11379] gfs2_fill_super+0x13c0/0x20d0
[ 624.641494][T11379] ? __pfx_gfs2_fill_super+0x10/0x10
[ 624.641524][T11379] ? sb_set_blocksize+0x104/0x180
[ 624.641551][T11379] ? setup_bdev_super+0x4c1/0x5b0
[ 624.641579][T11379] get_tree_bdev_flags+0x40b/0x4d0
[ 624.641604][T11379] ? __pfx_gfs2_fill_super+0x10/0x10
[ 624.641628][T11379] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 624.641664][T11379] gfs2_get_tree+0x51/0x1e0
[ 624.641691][T11379] vfs_get_tree+0x8f/0x2b0
[ 624.641718][T11379] do_new_mount+0x2a2/0x9e0
[ 624.641748][T11379] ? ns_capable+0x8a/0xf0
[ 624.641777][T11379] ? __pfx_do_new_mount+0x10/0x10
[ 624.641802][T11379] ? path_mount+0x61c/0xfe0
[ 624.641826][T11379] ? user_path_at+0x44/0x60
[ 624.641856][T11379] __se_sys_mount+0x317/0x410
[ 624.641889][T11379] ? __pfx___se_sys_mount+0x10/0x10
[ 624.641927][T11379] ? do_syscall_64+0xbe/0x3b0
[ 624.641954][T11379] ? __x64_sys_mount+0x20/0xc0
[ 624.641983][T11379] do_syscall_64+0xfa/0x3b0
[ 624.642009][T11379] ? lockdep_hardirqs_on+0x9c/0x150
[ 624.642035][T11379] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.642056][T11379] ? clear_bhb_loop+0x60/0xb0
[ 624.642080][T11379] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 624.642099][T11379] RIP: 0033:0x7f55bc2b5f4a
[ 624.642118][T11379] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 624.642136][T11379] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 624.642157][T11379] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 624.642173][T11379] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 624.642188][T11379] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 624.642203][T11379] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
executing program
[ 624.642217][T11379] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 624.642249][T11379]
[ 624.642278][T11379] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 624.706489][ T1305] ieee802154 phy0 wpan0: encryption failed: -22
[ 624.788955][ T24] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 624.804280][T11379] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 624.808382][ T24] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 624.829171][ T1305] ieee802154 phy1 wpan1: encryption failed: -22
[ 624.862090][T11380] loop4: detected capacity change from 0 to 32768
executing program
[ 625.076461][T11383] loop3: detected capacity change from 0 to 32768
[ 625.089986][ T24] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 281ms
[ 625.136126][ T24] gfs2: fsid=syz:syz.0: jid=0: Done
[ 625.150899][T11369] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 625.152083][T11383] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 625.190235][T11380] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 625.209004][T11383] CPU: 1 UID: 0 PID: 11383 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 625.209034][T11383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 625.209045][T11383] Call Trace:
[ 625.209053][T11383]
[ 625.209061][T11383] dump_stack_lvl+0x189/0x250
[ 625.209091][T11383] ? __pfx_dump_stack_lvl+0x10/0x10
[ 625.209112][T11383] ? __pfx__printk+0x10/0x10
[ 625.209143][T11383] ? kernfs_path_from_node+0x250/0x290
[ 625.209163][T11383] ? kernfs_path_from_node+0x2f/0x290
[ 625.209197][T11383] sysfs_create_dir_ns+0x259/0x280
[ 625.209229][T11383] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 625.209260][T11383] ? do_raw_spin_unlock+0x122/0x240
[ 625.209284][T11383] kobject_add_internal+0x59f/0xb40
[ 625.209311][T11383] kobject_init_and_add+0x125/0x190
[ 625.209344][T11383] ? __pfx_kobject_init_and_add+0x10/0x10
[ 625.209372][T11383] ? __raw_spin_lock_init+0x45/0x100
[ 625.209394][T11383] ? __init_swait_queue_head+0xa9/0x150
[ 625.209417][T11383] gfs2_sys_fs_add+0x234/0x450
[ 625.209448][T11383] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 625.209481][T11383] ? is_dynamic_key+0xd6/0x1c0
[ 625.209503][T11383] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 625.209538][T11383] gfs2_fill_super+0x13c0/0x20d0
[ 625.209584][T11383] ? __pfx_gfs2_fill_super+0x10/0x10
[ 625.209612][T11383] ? sb_set_blocksize+0x104/0x180
[ 625.209638][T11383] ? setup_bdev_super+0x4c1/0x5b0
[ 625.209665][T11383] get_tree_bdev_flags+0x40b/0x4d0
[ 625.209687][T11383] ? __pfx_gfs2_fill_super+0x10/0x10
[ 625.209709][T11383] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 625.209743][T11383] gfs2_get_tree+0x51/0x1e0
[ 625.209769][T11383] vfs_get_tree+0x8f/0x2b0
[ 625.209803][T11383] do_new_mount+0x2a2/0x9e0
[ 625.209832][T11383] ? ns_capable+0x8a/0xf0
[ 625.209861][T11383] ? __pfx_do_new_mount+0x10/0x10
[ 625.209885][T11383] ? path_mount+0x61c/0xfe0
[ 625.209909][T11383] ? user_path_at+0x44/0x60
[ 625.209939][T11383] __se_sys_mount+0x317/0x410
[ 625.209972][T11383] ? __pfx___se_sys_mount+0x10/0x10
[ 625.210005][T11383] ? do_syscall_64+0xbe/0x3b0
[ 625.210030][T11383] ? __x64_sys_mount+0x20/0xc0
[ 625.210063][T11383] do_syscall_64+0xfa/0x3b0
[ 625.210089][T11383] ? lockdep_hardirqs_on+0x9c/0x150
[ 625.210117][T11383] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 625.210137][T11383] ? clear_bhb_loop+0x60/0xb0
[ 625.210162][T11383] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 625.210182][T11383] RIP: 0033:0x7f55bc2b5f4a
[ 625.210200][T11383] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 625.210220][T11383] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 625.210242][T11383] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 625.210257][T11383] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 625.210272][T11383] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 625.210286][T11383] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 625.210301][T11383] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 625.210330][T11383]
[ 625.210443][T11383] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 625.349642][T11380] CPU: 0 UID: 0 PID: 11380 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 625.349671][T11380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 625.349685][T11380] Call Trace:
[ 625.349694][T11380]
[ 625.349703][T11380] dump_stack_lvl+0x189/0x250
[ 625.349733][T11380] ? __pfx_dump_stack_lvl+0x10/0x10
[ 625.349754][T11380] ? __pfx__printk+0x10/0x10
[ 625.349789][T11380] ? kernfs_path_from_node+0x250/0x290
[ 625.349808][T11380] ? kernfs_path_from_node+0x2f/0x290
[ 625.349837][T11380] sysfs_create_dir_ns+0x259/0x280
[ 625.349869][T11380] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 625.349901][T11380] ? do_raw_spin_unlock+0x122/0x240
[ 625.349928][T11380] kobject_add_internal+0x59f/0xb40
[ 625.349955][T11380] kobject_init_and_add+0x125/0x190
[ 625.349990][T11380] ? __pfx_kobject_init_and_add+0x10/0x10
executing program
[ 625.350021][T11380] ? __raw_spin_lock_init+0x45/0x100
[ 625.350043][T11380] ? __init_swait_queue_head+0xa9/0x150
[ 625.350069][T11380] gfs2_sys_fs_add+0x234/0x450
[ 625.350100][T11380] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 625.350135][T11380] ? is_dynamic_key+0xd6/0x1c0
[ 625.350159][T11380] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 625.350197][T11380] gfs2_fill_super+0x13c0/0x20d0
[ 625.350236][T11380] ? __pfx_gfs2_fill_super+0x10/0x10
[ 625.350264][T11380] ? sb_set_blocksize+0x104/0x180
[ 625.350290][T11380] ? setup_bdev_super+0x4c1/0x5b0
[ 625.350317][T11380] get_tree_bdev_flags+0x40b/0x4d0
[ 625.350341][T11380] ? __pfx_gfs2_fill_super+0x10/0x10
[ 625.350364][T11380] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 625.350399][T11380] gfs2_get_tree+0x51/0x1e0
[ 625.350426][T11380] vfs_get_tree+0x8f/0x2b0
[ 625.350452][T11380] do_new_mount+0x2a2/0x9e0
[ 625.350482][T11380] ? ns_capable+0x8a/0xf0
[ 625.350510][T11380] ? __pfx_do_new_mount+0x10/0x10
[ 625.350534][T11380] ? path_mount+0x61c/0xfe0
[ 625.350558][T11380] ? user_path_at+0x44/0x60
[ 625.350596][T11380] __se_sys_mount+0x317/0x410
[ 625.350628][T11380] ? __pfx___se_sys_mount+0x10/0x10
[ 625.350660][T11380] ? do_syscall_64+0xbe/0x3b0
[ 625.350686][T11380] ? __x64_sys_mount+0x20/0xc0
[ 625.350714][T11380] do_syscall_64+0xfa/0x3b0
[ 625.350740][T11380] ? lockdep_hardirqs_on+0x9c/0x150
[ 625.350766][T11380] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 625.350785][T11380] ? clear_bhb_loop+0x60/0xb0
[ 625.350809][T11380] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 625.350833][T11380] RIP: 0033:0x7f55bc2b5f4a
[ 625.350851][T11380] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 625.350869][T11380] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 625.350890][T11380] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 625.350905][T11380] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 625.350919][T11380] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 625.350933][T11380] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 625.350946][T11380] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 625.350982][T11380]
[ 625.362523][T11380] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 625.362550][T11380] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 625.894816][T11383] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 626.892956][T11401] loop2: detected capacity change from 0 to 32768
[ 626.954070][T11401] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 626.969000][T11401] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 627.085173][T11401] gfs2: fsid=syz:syz.0: journal 0 mapped with 3 extents in 0ms
[ 627.094263][T11405] loop0: detected capacity change from 0 to 32768
[ 627.129386][ T929] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 627.147827][ T929] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[ 627.189236][T11405] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 627.243939][T11405] CPU: 1 UID: 0 PID: 11405 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 627.243972][T11405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 627.243986][T11405] Call Trace:
[ 627.243995][T11405]
[ 627.244004][T11405] dump_stack_lvl+0x189/0x250
[ 627.244035][T11405] ? __pfx_dump_stack_lvl+0x10/0x10
[ 627.244058][T11405] ? __pfx__printk+0x10/0x10
[ 627.244091][T11405] ? kernfs_path_from_node+0x250/0x290
[ 627.244110][T11405] ? kernfs_path_from_node+0x2f/0x290
[ 627.244133][T11405] sysfs_create_dir_ns+0x259/0x280
[ 627.244166][T11405] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 627.244198][T11405] ? do_raw_spin_unlock+0x122/0x240
[ 627.244226][T11405] kobject_add_internal+0x59f/0xb40
[ 627.244256][T11405] kobject_init_and_add+0x125/0x190
[ 627.244292][T11405] ? __pfx_kobject_init_and_add+0x10/0x10
[ 627.244323][T11405] ? __raw_spin_lock_init+0x45/0x100
[ 627.244348][T11405] ? __init_swait_queue_head+0xa9/0x150
[ 627.244375][T11405] gfs2_sys_fs_add+0x234/0x450
[ 627.244408][T11405] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 627.244444][T11405] ? is_dynamic_key+0xd6/0x1c0
[ 627.244469][T11405] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 627.244508][T11405] gfs2_fill_super+0x13c0/0x20d0
[ 627.244549][T11405] ? __pfx_gfs2_fill_super+0x10/0x10
[ 627.244578][T11405] ? sb_set_blocksize+0x104/0x180
[ 627.244604][T11405] ? setup_bdev_super+0x4c1/0x5b0
[ 627.244631][T11405] get_tree_bdev_flags+0x40b/0x4d0
[ 627.244656][T11405] ? __pfx_gfs2_fill_super+0x10/0x10
[ 627.244681][T11405] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 627.244717][T11405] gfs2_get_tree+0x51/0x1e0
[ 627.244744][T11405] vfs_get_tree+0x8f/0x2b0
[ 627.244771][T11405] do_new_mount+0x2a2/0x9e0
[ 627.244803][T11405] ? ns_capable+0x8a/0xf0
[ 627.244831][T11405] ? __pfx_do_new_mount+0x10/0x10
[ 627.244864][T11405] ? path_mount+0x61c/0xfe0
[ 627.244887][T11405] ? user_path_at+0x44/0x60
[ 627.244917][T11405] __se_sys_mount+0x317/0x410
[ 627.244951][T11405] ? __pfx___se_sys_mount+0x10/0x10
[ 627.244984][T11405] ? do_syscall_64+0xbe/0x3b0
[ 627.245011][T11405] ? __x64_sys_mount+0x20/0xc0
[ 627.245040][T11405] do_syscall_64+0xfa/0x3b0
[ 627.245067][T11405] ? lockdep_hardirqs_on+0x9c/0x150
[ 627.245094][T11405] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.245114][T11405] ? clear_bhb_loop+0x60/0xb0
[ 627.245139][T11405] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.245157][T11405] RIP: 0033:0x7f55bc2b5f4a
[ 627.245176][T11405] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 627.245201][T11405] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 627.245222][T11405] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 627.245238][T11405] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 627.245253][T11405] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 627.245267][T11405] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 627.245281][T11405] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 627.245313][T11405]
[ 627.245342][T11405] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 627.496091][ T929] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 348ms
[ 627.523094][T11413] loop4: detected capacity change from 0 to 32768
[ 627.541113][T11405] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 627.637811][ T929] gfs2: fsid=syz:syz.0: jid=0: Done
[ 627.675939][T11413] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 627.755100][T11401] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 627.787470][T11413] CPU: 0 UID: 0 PID: 11413 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 627.787503][T11413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 627.787516][T11413] Call Trace:
[ 627.787524][T11413]
[ 627.787544][T11413] dump_stack_lvl+0x189/0x250
[ 627.787576][T11413] ? __pfx_dump_stack_lvl+0x10/0x10
[ 627.787598][T11413] ? __pfx__printk+0x10/0x10
[ 627.787629][T11413] ? kernfs_path_from_node+0x250/0x290
[ 627.787648][T11413] ? kernfs_path_from_node+0x2f/0x290
[ 627.787672][T11413] sysfs_create_dir_ns+0x259/0x280
[ 627.787705][T11413] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 627.787738][T11413] ? do_raw_spin_unlock+0x122/0x240
[ 627.787765][T11413] kobject_add_internal+0x59f/0xb40
[ 627.787794][T11413] kobject_init_and_add+0x125/0x190
[ 627.787830][T11413] ? __pfx_kobject_init_and_add+0x10/0x10
[ 627.787861][T11413] ? __raw_spin_lock_init+0x45/0x100
[ 627.787885][T11413] ? __init_swait_queue_head+0xa9/0x150
[ 627.787911][T11413] gfs2_sys_fs_add+0x234/0x450
[ 627.787943][T11413] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 627.787979][T11413] ? is_dynamic_key+0xd6/0x1c0
[ 627.788004][T11413] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 627.788043][T11413] gfs2_fill_super+0x13c0/0x20d0
[ 627.788083][T11413] ? __pfx_gfs2_fill_super+0x10/0x10
[ 627.788112][T11413] ? sb_set_blocksize+0x104/0x180
[ 627.788139][T11413] ? setup_bdev_super+0x4c1/0x5b0
[ 627.788167][T11413] get_tree_bdev_flags+0x40b/0x4d0
[ 627.788191][T11413] ? __pfx_gfs2_fill_super+0x10/0x10
[ 627.788216][T11413] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 627.788253][T11413] gfs2_get_tree+0x51/0x1e0
[ 627.788280][T11413] vfs_get_tree+0x8f/0x2b0
[ 627.788308][T11413] do_new_mount+0x2a2/0x9e0
[ 627.788338][T11413] ? ns_capable+0x8a/0xf0
[ 627.788362][T11413] ? __pfx_do_new_mount+0x10/0x10
[ 627.788386][T11413] ? path_mount+0x61c/0xfe0
[ 627.788409][T11413] ? user_path_at+0x44/0x60
[ 627.788439][T11413] __se_sys_mount+0x317/0x410
[ 627.788472][T11413] ? __pfx___se_sys_mount+0x10/0x10
[ 627.788505][T11413] ? do_syscall_64+0xbe/0x3b0
[ 627.788537][T11413] ? __x64_sys_mount+0x20/0xc0
[ 627.788566][T11413] do_syscall_64+0xfa/0x3b0
[ 627.788592][T11413] ? lockdep_hardirqs_on+0x9c/0x150
[ 627.788619][T11413] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.788639][T11413] ? clear_bhb_loop+0x60/0xb0
[ 627.788664][T11413] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 627.788683][T11413] RIP: 0033:0x7f55bc2b5f4a
[ 627.788702][T11413] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 627.788719][T11413] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 627.788739][T11413] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 627.788754][T11413] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 627.788769][T11413] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 627.788783][T11413] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 627.788797][T11413] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 627.788830][T11413]
[ 628.195942][T11413] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 628.213385][T11413] gfs2: fsid=syz:syz: error -17 adding sysfs files
executing program
executing program
[ 628.509131][T11421] loop1: detected capacity change from 0 to 32768
[ 628.589760][T11421] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 628.603952][T11421] CPU: 1 UID: 0 PID: 11421 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 628.603984][T11421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 628.603998][T11421] Call Trace:
[ 628.604007][T11421]
[ 628.604015][T11421] dump_stack_lvl+0x189/0x250
[ 628.604046][T11421] ? __pfx_dump_stack_lvl+0x10/0x10
[ 628.604069][T11421] ? __pfx__printk+0x10/0x10
[ 628.604101][T11421] ? kernfs_path_from_node+0x250/0x290
[ 628.604121][T11421] ? kernfs_path_from_node+0x2f/0x290
[ 628.604145][T11421] sysfs_create_dir_ns+0x259/0x280
[ 628.604179][T11421] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 628.604212][T11421] ? do_raw_spin_unlock+0x122/0x240
[ 628.604239][T11421] kobject_add_internal+0x59f/0xb40
[ 628.604268][T11421] kobject_init_and_add+0x125/0x190
[ 628.604303][T11421] ? __pfx_kobject_init_and_add+0x10/0x10
[ 628.604335][T11421] ? __raw_spin_lock_init+0x45/0x100
[ 628.604359][T11421] ? __init_swait_queue_head+0xa9/0x150
[ 628.604385][T11421] gfs2_sys_fs_add+0x234/0x450
[ 628.604416][T11421] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 628.604452][T11421] ? is_dynamic_key+0xd6/0x1c0
[ 628.604477][T11421] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 628.604515][T11421] gfs2_fill_super+0x13c0/0x20d0
[ 628.604557][T11421] ? __pfx_gfs2_fill_super+0x10/0x10
[ 628.604586][T11421] ? sb_set_blocksize+0x104/0x180
[ 628.604613][T11421] ? setup_bdev_super+0x4c1/0x5b0
[ 628.604639][T11421] get_tree_bdev_flags+0x40b/0x4d0
[ 628.604671][T11421] ? __pfx_gfs2_fill_super+0x10/0x10
[ 628.604695][T11421] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 628.604731][T11421] gfs2_get_tree+0x51/0x1e0
[ 628.604773][T11421] vfs_get_tree+0x8f/0x2b0
[ 628.604801][T11421] do_new_mount+0x2a2/0x9e0
[ 628.604832][T11421] ? ns_capable+0x8a/0xf0
[ 628.604860][T11421] ? __pfx_do_new_mount+0x10/0x10
[ 628.604886][T11421] ? path_mount+0x61c/0xfe0
[ 628.604909][T11421] ? user_path_at+0x44/0x60
[ 628.604940][T11421] __se_sys_mount+0x317/0x410
[ 628.604973][T11421] ? __pfx___se_sys_mount+0x10/0x10
[ 628.605006][T11421] ? do_syscall_64+0xbe/0x3b0
[ 628.605033][T11421] ? __x64_sys_mount+0x20/0xc0
[ 628.605062][T11421] do_syscall_64+0xfa/0x3b0
[ 628.605089][T11421] ? lockdep_hardirqs_on+0x9c/0x150
[ 628.605115][T11421] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 628.605135][T11421] ? clear_bhb_loop+0x60/0xb0
[ 628.605160][T11421] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 628.605179][T11421] RIP: 0033:0x7f55bc2b5f4a
[ 628.605199][T11421] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 628.605216][T11421] RSP: 002b:00007f55bc25e088 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[ 628.605238][T11421] RAX: ffffffffffffffda RBX: 00007f55bc25e0a0 RCX: 00007f55bc2b5f4a
[ 628.605254][T11421] RDX: 00004000000124c0 RSI: 0000400000012500 RDI: 00007f55bc25e0a0
[ 628.605269][T11421] RBP: 0000400000012500 R08: 00007f55bc25e0e0 R09: 00000000000124eb
[ 628.605284][T11421] R10: 0000000000200048 R11: 0000000000000282 R12: 00004000000124c0
[ 628.605298][T11421] R13: 00007f55bc25e0e0 R14: 0000000000000003 R15: 0000000000200048
[ 628.605329][T11421]
[ 628.605356][T11421] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[ 628.623943][T11416] loop3: detected capacity change from 0 to 32768
[ 628.701301][T11421] gfs2: fsid=syz:syz: error -17 adding sysfs files
[ 628.969452][T11416] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[ 629.064359][T11416] CPU: 1 UID: 0 PID: 11416 Comm: syz-executor331 Not tainted 6.16.0-next-20250731-syzkaller-g84b92a499e7e #0 PREEMPT(full)
[ 629.064391][T11416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 629.064404][T11416] Call Trace:
[ 629.064413][T11416]
[ 629.064422][T11416] dump_stack_lvl+0x189/0x250
[ 629.064453][T11416] ? __pfx_dump_stack_lvl+0x10/0x10
[ 629.064475][T11416] ? __pfx__printk+0x10/0x10
[ 629.064508][T11416] ? kernfs_path_from_node+0x250/0x290
[ 629.064528][T11416] ? kernfs_path_from_node+0x2f/0x290
[ 629.064552][T11416] sysfs_create_dir_ns+0x259/0x280
[ 629.064585][T11416] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 629.064617][T11416] ? do_raw_spin_unlock+0x122/0x240
[ 629.064645][T11416] kobject_add_internal+0x59f/0xb40
[ 629.064674][T11416] kobject_init_and_add+0x125/0x190
[ 629.064711][T11416] ? __pfx_kobject_init_and_add+0x10/0x10
[ 629.064741][T11416] ? __raw_spin_lock_init+0x45/0x100
[ 629.064766][T11416] ? __init_swait_queue_head+0xa9/0x150
[ 629.064792][T11416] gfs2_sys_fs_add+0x234/0x450
[ 629.064824][T11416] ? __pfx_gfs2_sys_fs_add+0x10/0x10
[ 629.064860][T11416] ? is_dynamic_key+0xd6/0x1c0
[ 629.064885][T11416] ? __pfx_alloc_workqueue_noprof+0x10/0x10
[ 629.064924][T11416] gfs2_fill_super+0x13c0/0x20d0
[ 629.064965][T11416] ? __pfx_gfs2_fill_super+0x10/0x10
[ 629.064993][T11416] ? sb_set_blocksize+0x104/0x180
[ 629.065020][T11416] ? setup_bdev_super+0x4c1/0x5b0
[ 629.065048][T11416] get_tree_bdev_flags+0x40b/0x4d0
[ 629.065073][T11416] ? __pfx_gfs2_fill_super+0x10/0x10
[ 629.065097][T11416] ? __pfx_get_tree_bdev_flags+0x10/0x10
[ 629.065133][T11416] gfs2_get_tree+0x51/0x1e0
[ 629.065160][T11416] vfs_get_tree+0x8f/0x2b0
[ 629.065187][T11416] do_new_mount+0x2a2/0x9e0
[ 629.065218][T11416] ? ns_capable+0x8a/0xf0
[ 629.065245][T11416] ? __pfx_do_new_mount+0x10/0x10
[ 629.065271][T11416] ? path_mount+0x61c/0xfe0
[ 629.065294][T11416] ? user_path_at+0x44/0x60
[ 629.065325][T11416] __se_sys_mount+0x317/0x410
[ 629.065364][T11416] ? __pfx___se_sys_mount+0x10/0x10
[ 629.065397][T11416] ? do_syscall_64+0xbe/0x3b0
[ 629.065424][T11416] ? __x64_sys_mount+0x20/0xc0
[ 629.065453][T11416] do_syscall_64+0xfa/0x3b0
[ 629.065479][T11416] ? lockdep_hardirqs_on+0x9c/0x150
[ 629.065505][T11416] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.065525][T11416] ? clear_bhb_loop+0x60/0xb0
[ 629.065549][T11416] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 629.065569][T11416] RIP: 0033:0x7f55bc2b5f4a