ser_path_at+0xd4/0x160 [ 600.955591][T10090] __se_sys_mount+0x31d/0x420 [ 600.955618][T10090] ? __pfx___se_sys_mount+0x10/0x10 [ 600.955647][T10090] ? __x64_sys_mount+0x20/0xc0 [ 600.955669][T10090] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 600.955690][T10090] do_syscall_64+0x15f/0xf80 [ 600.955713][T10090] ? trace_irq_disable+0x3b/0x140 [ 600.955740][T10090] ? clear_bhb_loop+0x40/0x90 [ 600.955762][T10090] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 600.955781][T10090] RIP: 0033:0x7fc7fbf34d1a [ 600.955799][T10090] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 600.955815][T10090] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 600.955836][T10090] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 600.955851][T10090] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 600.955864][T10090] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 600.955877][T10090] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 600.955889][T10090] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 600.955919][T10090] [ 600.961745][T10090] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 600.961766][T10090] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 601.150367][T10084] gfs2: fsid=syz:syz.0: found 1 quota changes [ 601.176954][T10084] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 601.379392][ T9110] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 601.379432][ T9110] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 601.379462][ T9110] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9110 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 601.379502][ T9110] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 601.379528][ T9110] CPU: 1 UID: 0 PID: 9110 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 601.379549][ T9110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 601.379560][ T9110] Call Trace: [ 601.379569][ T9110] [ 601.379577][ T9110] dump_stack_lvl+0xe8/0x150 [ 601.379604][ T9110] gfs2_withdraw+0xc3/0x1b0 [ 601.379627][ T9110] inode_go_instantiate+0xe69/0x12a0 [ 601.379657][ T9110] ? __pfx_inode_go_instantiate+0x10/0x10 [ 601.379675][ T9110] ? rt_spin_unlock+0x160/0x200 [ 601.379713][ T9110] gfs2_instantiate+0x168/0x220 [ 601.379738][ T9110] gfs2_glock_wait+0x1d7/0x2a0 [ 601.379763][ T9110] do_sync+0x49a/0xcb0 [ 601.379789][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 601.379824][ T9110] ? __pfx_do_sync+0x10/0x10 [ 601.379857][ T9110] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 601.379893][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 601.379928][ T9110] ? rt_spin_unlock+0x14f/0x200 [ 601.379957][ T9110] ? rt_spin_unlock+0x160/0x200 [ 601.379986][ T9110] gfs2_quota_sync+0x370/0x470 [ 601.380021][ T9110] gfs2_sync_fs+0x4c/0xb0 [ 601.380047][ T9110] sync_filesystem+0xed/0x250 [ 601.380077][ T9110] generic_shutdown_super+0x77/0x2d0 [ 601.380106][ T9110] kill_block_super+0x44/0x90 [ 601.380134][ T9110] deactivate_locked_super+0xbc/0x130 [ 601.380161][ T9110] cleanup_mnt+0x437/0x4d0 [ 601.380187][ T9110] ? _raw_spin_unlock_irq+0x23/0x50 [ 601.380211][ T9110] task_work_run+0x1d9/0x270 [ 601.380243][ T9110] ? __pfx_task_work_run+0x10/0x10 [ 601.380276][ T9110] exit_to_user_mode_loop+0xed/0x4d0 [ 601.380296][ T9110] ? rcu_is_watching+0x15/0xb0 [ 601.380319][ T9110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 601.380341][ T9110] ? do_syscall_64+0x33e/0xf80 [ 601.380360][ T9110] ? trace_irq_disable+0x3b/0x140 [ 601.380388][ T9110] ? clear_bhb_loop+0x40/0x90 [ 601.380412][ T9110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 601.380448][ T9110] [ 601.397440][ T9110] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 601.813823][T10098] loop0: detected capacity change from 0 to 32768 [ 601.841907][T10098] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 601.841927][T10098] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... executing program [ 601.933867][T10098] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 601.953420][ T6190] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 601.953441][ T6190] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 602.164547][ T6190] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 211ms [ 602.164783][ T6190] gfs2: fsid=syz:syz.0: jid=0: Done [ 602.167764][T10098] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 602.305538][T10100] loop2: detected capacity change from 0 to 32768 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 602.333079][T10100] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 602.333101][T10100] CPU: 0 UID: 0 PID: 10100 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 602.333124][T10100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 602.333135][T10100] Call Trace: [ 602.333143][T10100] [ 602.333151][T10100] dump_stack_lvl+0xe8/0x150 [ 602.333181][T10100] sysfs_create_dir_ns+0x271/0x2a0 executing program [ 602.333207][T10100] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 602.333234][T10100] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 602.333261][T10100] ? rt_spin_unlock+0x160/0x200 [ 602.333288][T10100] kobject_add_internal+0x631/0xd10 [ 602.333322][T10100] kobject_init_and_add+0x12b/0x1a0 [ 602.333352][T10100] ? __pfx_kobject_init_and_add+0x10/0x10 [ 602.333378][T10100] ? __raw_spin_lock_init+0x45/0x100 [ 602.333406][T10100] ? __init_swait_queue_head+0xa9/0x150 [ 602.333437][T10100] gfs2_sys_fs_add+0x257/0x480 [ 602.333461][T10100] ? is_dynamic_key+0x1ac/0x1c0 [ 602.333481][T10100] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 602.333515][T10100] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 602.333547][T10100] gfs2_fill_super+0x141c/0x2220 [ 602.333579][T10100] ? __pfx_gfs2_fill_super+0x10/0x10 [ 602.333596][T10100] ? rt_spin_unlock+0x14f/0x200 [ 602.333621][T10100] ? sb_set_blocksize+0x11b/0x210 [ 602.333639][T10100] ? setup_bdev_super+0x4c1/0x5b0 [ 602.333667][T10100] get_tree_bdev_flags+0x431/0x4f0 [ 602.333692][T10100] ? __pfx_gfs2_fill_super+0x10/0x10 [ 602.333711][T10100] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 602.333734][T10100] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 602.333769][T10100] gfs2_get_tree+0x51/0x1e0 [ 602.333800][T10100] vfs_get_tree+0x92/0x2a0 [ 602.333828][T10100] do_new_mount+0x341/0xd30 [ 602.333847][T10100] ? apparmor_capable+0x126/0x170 [ 602.333874][T10100] ? __pfx_do_new_mount+0x10/0x10 [ 602.333896][T10100] ? ns_capable+0x89/0xe0 [ 602.333925][T10100] ? user_path_at+0xd4/0x160 [ 602.333953][T10100] ? user_path_at+0xd4/0x160 [ 602.333980][T10100] __se_sys_mount+0x31d/0x420 [ 602.334007][T10100] ? __pfx___se_sys_mount+0x10/0x10 [ 602.334035][T10100] ? __x64_sys_mount+0x20/0xc0 [ 602.334057][T10100] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 602.334078][T10100] do_syscall_64+0x15f/0xf80 [ 602.334096][T10100] ? trace_irq_disable+0x3b/0x140 [ 602.334124][T10100] ? clear_bhb_loop+0x40/0x90 [ 602.334146][T10100] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 602.334165][T10100] RIP: 0033:0x7fc7fbf34d1a [ 602.334183][T10100] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 602.334200][T10100] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 602.334220][T10100] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 602.334233][T10100] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 602.334247][T10100] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 602.334267][T10100] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 602.334280][T10100] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 602.334311][T10100] [ 602.334361][T10100] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 602.334377][T10100] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 602.789095][T10098] gfs2: fsid=syz:syz.0: found 1 quota changes [ 602.813765][T10098] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 602.923057][ T9102] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 602.923096][ T9102] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 602.923126][ T9102] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9102 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 602.923168][ T9102] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 602.923196][ T9102] CPU: 0 UID: 0 PID: 9102 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 602.923218][ T9102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 602.923229][ T9102] Call Trace: [ 602.923237][ T9102] [ 602.923246][ T9102] dump_stack_lvl+0xe8/0x150 [ 602.923273][ T9102] gfs2_withdraw+0xc3/0x1b0 [ 602.923296][ T9102] inode_go_instantiate+0xe69/0x12a0 [ 602.923324][ T9102] ? __pfx_bit_wait+0x10/0x10 [ 602.923346][ T9102] ? __pfx_inode_go_instantiate+0x10/0x10 [ 602.923364][ T9102] ? rt_spin_unlock+0x160/0x200 [ 602.923391][ T9102] ? __pfx_wake_bit_function+0x10/0x10 [ 602.923431][ T9102] gfs2_instantiate+0x168/0x220 [ 602.923453][ T9102] gfs2_glock_wait+0x1d7/0x2a0 [ 602.923478][ T9102] do_sync+0x49a/0xcb0 [ 602.923501][ T9102] ? gfs2_quota_sync+0x370/0x470 [ 602.923534][ T9102] ? __pfx_do_sync+0x10/0x10 [ 602.923555][ T9102] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 602.923588][ T9102] ? gfs2_quota_sync+0x370/0x470 [ 602.923610][ T9102] ? rt_spin_unlock+0x14f/0x200 [ 602.923638][ T9102] ? rt_spin_unlock+0x160/0x200 [ 602.923666][ T9102] gfs2_quota_sync+0x370/0x470 [ 602.923702][ T9102] gfs2_sync_fs+0x4c/0xb0 [ 602.923728][ T9102] sync_filesystem+0xed/0x250 [ 602.923758][ T9102] generic_shutdown_super+0x77/0x2d0 [ 602.923786][ T9102] kill_block_super+0x44/0x90 [ 602.923814][ T9102] deactivate_locked_super+0xbc/0x130 [ 602.923841][ T9102] cleanup_mnt+0x437/0x4d0 [ 602.923867][ T9102] ? _raw_spin_unlock_irq+0x23/0x50 [ 602.923896][ T9102] task_work_run+0x1d9/0x270 [ 602.923922][ T9102] ? __pfx_task_work_run+0x10/0x10 [ 602.923954][ T9102] exit_to_user_mode_loop+0xed/0x4d0 [ 602.923973][ T9102] ? rcu_is_watching+0x15/0xb0 [ 602.923997][ T9102] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 602.924018][ T9102] ? do_syscall_64+0x33e/0xf80 [ 602.924044][ T9102] ? trace_irq_disable+0x3b/0x140 [ 602.924071][ T9102] ? clear_bhb_loop+0x40/0x90 [ 602.924093][ T9102] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 602.924127][ T9102] [ 602.924145][ T9102] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 603.240194][T10104] loop4: detected capacity change from 0 to 32768 [ 603.266476][T10104] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 603.266496][T10104] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 603.311521][T10104] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 603.332245][ T5746] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 603.332263][ T5746] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 603.376895][T10110] loop1: detected capacity change from 0 to 32768 [ 603.404253][T10110] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 603.404277][T10110] CPU: 1 UID: 0 PID: 10110 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 603.404299][T10110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 603.404310][T10110] Call Trace: [ 603.404317][T10110] [ 603.404325][T10110] dump_stack_lvl+0xe8/0x150 [ 603.404355][T10110] sysfs_create_dir_ns+0x271/0x2a0 [ 603.404379][T10110] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 603.404408][T10110] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 603.404435][T10110] ? rt_spin_unlock+0x160/0x200 [ 603.404466][T10110] kobject_add_internal+0x631/0xd10 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 603.404498][T10110] kobject_init_and_add+0x12b/0x1a0 [ 603.404529][T10110] ? __pfx_kobject_init_and_add+0x10/0x10 [ 603.404555][T10110] ? __raw_spin_lock_init+0x45/0x100 [ 603.404584][T10110] ? __init_swait_queue_head+0xa9/0x150 [ 603.404616][T10110] gfs2_sys_fs_add+0x257/0x480 [ 603.404641][T10110] ? is_dynamic_key+0x1ac/0x1c0 [ 603.404661][T10110] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 603.404701][T10110] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 603.404733][T10110] gfs2_fill_super+0x141c/0x2220 executing program [ 603.404763][T10110] ? __pfx_gfs2_fill_super+0x10/0x10 [ 603.404780][T10110] ? rt_spin_unlock+0x14f/0x200 [ 603.404806][T10110] ? sb_set_blocksize+0x11b/0x210 [ 603.404826][T10110] ? setup_bdev_super+0x4c1/0x5b0 [ 603.404855][T10110] get_tree_bdev_flags+0x431/0x4f0 [ 603.404879][T10110] ? __pfx_gfs2_fill_super+0x10/0x10 [ 603.404896][T10110] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 603.404920][T10110] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 603.404954][T10110] gfs2_get_tree+0x51/0x1e0 [ 603.404977][T10110] vfs_get_tree+0x92/0x2a0 [ 603.405003][T10110] do_new_mount+0x341/0xd30 [ 603.405021][T10110] ? apparmor_capable+0x126/0x170 [ 603.405045][T10110] ? __pfx_do_new_mount+0x10/0x10 [ 603.405062][T10110] ? ns_capable+0x89/0xe0 [ 603.405084][T10110] ? user_path_at+0xd4/0x160 [ 603.405105][T10110] ? user_path_at+0xd4/0x160 [ 603.405124][T10110] __se_sys_mount+0x31d/0x420 [ 603.405144][T10110] ? __pfx___se_sys_mount+0x10/0x10 [ 603.405165][T10110] ? __x64_sys_mount+0x20/0xc0 [ 603.405181][T10110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 603.405197][T10110] do_syscall_64+0x15f/0xf80 [ 603.405212][T10110] ? trace_irq_disable+0x3b/0x140 [ 603.405232][T10110] ? clear_bhb_loop+0x40/0x90 [ 603.405249][T10110] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 603.405263][T10110] RIP: 0033:0x7fc7fbf34d1a [ 603.405277][T10110] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 603.405290][T10110] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 603.405306][T10110] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 603.405316][T10110] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 603.405326][T10110] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 603.405336][T10110] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 603.405346][T10110] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 603.405367][T10110] [ 603.405407][T10110] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 603.405422][T10110] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 603.808183][ T5746] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 475ms [ 603.808427][ T5746] gfs2: fsid=syz:syz.0: jid=0: Done [ 603.810009][T10104] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 604.027465][T10114] loop3: detected capacity change from 0 to 32768 [ 604.066182][T10114] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 604.066206][T10114] CPU: 0 UID: 0 PID: 10114 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 604.066230][T10114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 604.066242][T10114] Call Trace: [ 604.066249][T10114] [ 604.066258][T10114] dump_stack_lvl+0xe8/0x150 [ 604.066288][T10114] sysfs_create_dir_ns+0x271/0x2a0 [ 604.066317][T10114] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 604.066346][T10114] ? __pfx_sysfs_create_dir_ns+0x10/0x10 executing program [ 604.066377][T10114] ? rt_spin_unlock+0x160/0x200 [ 604.066405][T10114] kobject_add_internal+0x631/0xd10 [ 604.066439][T10114] kobject_init_and_add+0x12b/0x1a0 [ 604.066468][T10114] ? __pfx_kobject_init_and_add+0x10/0x10 [ 604.066494][T10114] ? __raw_spin_lock_init+0x45/0x100 [ 604.066524][T10114] ? __init_swait_queue_head+0xa9/0x150 [ 604.066554][T10114] gfs2_sys_fs_add+0x257/0x480 [ 604.066579][T10114] ? is_dynamic_key+0x1ac/0x1c0 [ 604.066599][T10114] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 604.066631][T10114] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 604.066665][T10114] gfs2_fill_super+0x141c/0x2220 [ 604.066701][T10114] ? __pfx_gfs2_fill_super+0x10/0x10 [ 604.066718][T10114] ? rt_spin_unlock+0x14f/0x200 [ 604.066747][T10114] ? sb_set_blocksize+0x11b/0x210 [ 604.066769][T10114] ? setup_bdev_super+0x4c1/0x5b0 [ 604.066800][T10114] get_tree_bdev_flags+0x431/0x4f0 [ 604.066826][T10114] ? __pfx_gfs2_fill_super+0x10/0x10 [ 604.066844][T10114] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 604.066867][T10114] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 604.066911][T10114] gfs2_get_tree+0x51/0x1e0 [ 604.066934][T10114] vfs_get_tree+0x92/0x2a0 [ 604.066963][T10114] do_new_mount+0x341/0xd30 [ 604.066984][T10114] ? apparmor_capable+0x126/0x170 [ 604.067011][T10114] ? __pfx_do_new_mount+0x10/0x10 [ 604.067034][T10114] ? ns_capable+0x89/0xe0 [ 604.067063][T10114] ? user_path_at+0xd4/0x160 [ 604.067092][T10114] ? user_path_at+0xd4/0x160 [ 604.067118][T10114] __se_sys_mount+0x31d/0x420 [ 604.067145][T10114] ? __pfx___se_sys_mount+0x10/0x10 [ 604.067174][T10114] ? __x64_sys_mount+0x20/0xc0 [ 604.067195][T10114] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 604.067216][T10114] do_syscall_64+0x15f/0xf80 [ 604.067236][T10114] ? trace_irq_disable+0x3b/0x140 [ 604.067263][T10114] ? clear_bhb_loop+0x40/0x90 [ 604.067286][T10114] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 604.067305][T10114] RIP: 0033:0x7fc7fbf34d1a [ 604.067324][T10114] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 604.067340][T10114] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 604.067362][T10114] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 604.067376][T10114] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 604.067390][T10114] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 604.067402][T10114] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed executing program [ 604.067415][T10114] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 604.067445][T10114] [ 604.081512][T10114] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 604.081534][T10114] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 604.355379][T10104] gfs2: fsid=syz:syz.0: found 1 quota changes [ 604.386889][T10104] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 604.500278][ T9109] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 604.500317][ T9109] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 604.500347][ T9109] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9109 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 604.500390][ T9109] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 604.500417][ T9109] CPU: 1 UID: 0 PID: 9109 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 604.500440][ T9109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 604.500451][ T9109] Call Trace: [ 604.500458][ T9109] [ 604.500467][ T9109] dump_stack_lvl+0xe8/0x150 [ 604.500494][ T9109] gfs2_withdraw+0xc3/0x1b0 [ 604.500517][ T9109] inode_go_instantiate+0xe69/0x12a0 [ 604.500565][ T9109] ? __pfx_inode_go_instantiate+0x10/0x10 [ 604.500584][ T9109] ? rt_spin_unlock+0x160/0x200 [ 604.500631][ T9109] gfs2_instantiate+0x168/0x220 [ 604.500654][ T9109] gfs2_glock_wait+0x1d7/0x2a0 [ 604.500679][ T9109] do_sync+0x49a/0xcb0 [ 604.500704][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 604.500738][ T9109] ? __pfx_do_sync+0x10/0x10 [ 604.500761][ T9109] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 604.500795][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 604.500820][ T9109] ? rt_spin_unlock+0x14f/0x200 [ 604.500853][ T9109] ? rt_spin_unlock+0x160/0x200 [ 604.500881][ T9109] gfs2_quota_sync+0x370/0x470 [ 604.500916][ T9109] gfs2_sync_fs+0x4c/0xb0 [ 604.500941][ T9109] sync_filesystem+0xed/0x250 [ 604.500971][ T9109] generic_shutdown_super+0x77/0x2d0 [ 604.500999][ T9109] kill_block_super+0x44/0x90 [ 604.501027][ T9109] deactivate_locked_super+0xbc/0x130 [ 604.501054][ T9109] cleanup_mnt+0x437/0x4d0 [ 604.501080][ T9109] ? _raw_spin_unlock_irq+0x23/0x50 [ 604.501104][ T9109] task_work_run+0x1d9/0x270 [ 604.501129][ T9109] ? __pfx_task_work_run+0x10/0x10 [ 604.501161][ T9109] exit_to_user_mode_loop+0xed/0x4d0 [ 604.501182][ T9109] ? rcu_is_watching+0x15/0xb0 [ 604.501203][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 604.501221][ T9109] ? do_syscall_64+0x33e/0xf80 [ 604.501239][ T9109] ? trace_irq_disable+0x3b/0x140 [ 604.501262][ T9109] ? clear_bhb_loop+0x40/0x90 [ 604.501285][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 604.501319][ T9109] [ 604.508523][ T9109] gfs2: fsid=syz:syz.0: about to withdraw this file system executing program [ 605.259130][T10120] loop2: detected capacity change from 0 to 32768 [ 605.307788][T10120] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 605.307815][T10120] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 605.365024][T10120] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 605.385698][ T9555] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 605.385717][ T9555] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 605.564418][ T9555] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 178ms [ 605.564677][ T9555] gfs2: fsid=syz:syz.0: jid=0: Done [ 605.566831][T10120] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 605.743877][T10126] loop1: detected capacity change from 0 to 32768 [ 605.779017][T10126] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 605.779040][T10126] CPU: 1 UID: 0 PID: 10126 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 605.779063][T10126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 605.779075][T10126] Call Trace: [ 605.779083][T10126] [ 605.779091][T10126] dump_stack_lvl+0xe8/0x150 [ 605.779121][T10126] sysfs_create_dir_ns+0x271/0x2a0 [ 605.779145][T10126] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 605.779172][T10126] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 605.779198][T10126] ? rt_spin_unlock+0x160/0x200 [ 605.779226][T10126] kobject_add_internal+0x631/0xd10 [ 605.779259][T10126] kobject_init_and_add+0x12b/0x1a0 [ 605.779289][T10126] ? __pfx_kobject_init_and_add+0x10/0x10 [ 605.779315][T10126] ? __raw_spin_lock_init+0x45/0x100 [ 605.779344][T10126] ? __init_swait_queue_head+0xa9/0x150 [ 605.779374][T10126] gfs2_sys_fs_add+0x257/0x480 [ 605.779397][T10126] ? is_dynamic_key+0x1ac/0x1c0 [ 605.779417][T10126] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 605.779450][T10126] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 605.779485][T10126] gfs2_fill_super+0x141c/0x2220 [ 605.779528][T10126] ? __pfx_gfs2_fill_super+0x10/0x10 [ 605.779546][T10126] ? rt_spin_unlock+0x14f/0x200 [ 605.779576][T10126] ? sb_set_blocksize+0x11b/0x210 [ 605.779597][T10126] ? setup_bdev_super+0x4c1/0x5b0 [ 605.779627][T10126] get_tree_bdev_flags+0x431/0x4f0 [ 605.779655][T10126] ? __pfx_gfs2_fill_super+0x10/0x10 [ 605.779674][T10126] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 605.779700][T10126] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 605.779735][T10126] gfs2_get_tree+0x51/0x1e0 executing program [ 605.779757][T10126] vfs_get_tree+0x92/0x2a0 [ 605.779784][T10126] do_new_mount+0x341/0xd30 [ 605.779802][T10126] ? apparmor_capable+0x126/0x170 [ 605.779827][T10126] ? __pfx_do_new_mount+0x10/0x10 [ 605.779848][T10126] ? ns_capable+0x89/0xe0 [ 605.779874][T10126] ? user_path_at+0xd4/0x160 [ 605.779902][T10126] ? user_path_at+0xd4/0x160 [ 605.779928][T10126] __se_sys_mount+0x31d/0x420 [ 605.779956][T10126] ? __pfx___se_sys_mount+0x10/0x10 [ 605.779984][T10126] ? __x64_sys_mount+0x20/0xc0 [ 605.780005][T10126] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 605.780025][T10126] do_syscall_64+0x15f/0xf80 [ 605.780045][T10126] ? trace_irq_disable+0x3b/0x140 [ 605.780068][T10126] ? clear_bhb_loop+0x40/0x90 [ 605.780091][T10126] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 605.780109][T10126] RIP: 0033:0x7fc7fbf34d1a [ 605.780127][T10126] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 605.780143][T10126] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 605.780163][T10126] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 605.780177][T10126] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 605.780190][T10126] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 605.780203][T10126] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 605.780216][T10126] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 605.780246][T10126] [ 605.786404][T10126] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 605.786426][T10126] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 605.979563][T10134] loop0: detected capacity change from 0 to 32768 [ 606.056325][T10134] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' executing program [ 606.056348][T10134] CPU: 1 UID: 0 PID: 10134 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 606.056370][T10134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 606.056381][T10134] Call Trace: [ 606.056388][T10134] [ 606.056397][T10134] dump_stack_lvl+0xe8/0x150 [ 606.056426][T10134] sysfs_create_dir_ns+0x271/0x2a0 [ 606.056460][T10134] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 606.056488][T10134] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 606.056513][T10134] ? rt_spin_unlock+0x160/0x200 [ 606.056540][T10134] kobject_add_internal+0x631/0xd10 [ 606.056572][T10134] kobject_init_and_add+0x12b/0x1a0 [ 606.056601][T10134] ? __pfx_kobject_init_and_add+0x10/0x10 [ 606.056627][T10134] ? __raw_spin_lock_init+0x45/0x100 [ 606.056655][T10134] ? __init_swait_queue_head+0xa9/0x150 [ 606.056685][T10134] gfs2_sys_fs_add+0x257/0x480 [ 606.056712][T10134] ? is_dynamic_key+0x1ac/0x1c0 [ 606.056731][T10134] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 606.056763][T10134] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 606.056795][T10134] gfs2_fill_super+0x141c/0x2220 [ 606.056829][T10134] ? __pfx_gfs2_fill_super+0x10/0x10 [ 606.056847][T10134] ? rt_spin_unlock+0x14f/0x200 [ 606.056875][T10134] ? sb_set_blocksize+0x11b/0x210 [ 606.056896][T10134] ? setup_bdev_super+0x4c1/0x5b0 [ 606.056925][T10134] get_tree_bdev_flags+0x431/0x4f0 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 606.056952][T10134] ? __pfx_gfs2_fill_super+0x10/0x10 [ 606.056972][T10134] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 606.056996][T10134] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 606.057030][T10134] gfs2_get_tree+0x51/0x1e0 [ 606.057052][T10134] vfs_get_tree+0x92/0x2a0 [ 606.057080][T10134] do_new_mount+0x341/0xd30 [ 606.057100][T10134] ? apparmor_capable+0x126/0x170 [ 606.057126][T10134] ? __pfx_do_new_mount+0x10/0x10 [ 606.057148][T10134] ? ns_capable+0x89/0xe0 [ 606.057176][T10134] ? user_path_at+0xd4/0x160 [ 606.057203][T10134] ? user_path_at+0xd4/0x160 [ 606.057228][T10134] __se_sys_mount+0x31d/0x420 [ 606.057256][T10134] ? __pfx___se_sys_mount+0x10/0x10 [ 606.057284][T10134] ? __x64_sys_mount+0x20/0xc0 [ 606.057305][T10134] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 606.057325][T10134] do_syscall_64+0x15f/0xf80 [ 606.057344][T10134] ? trace_irq_disable+0x3b/0x140 [ 606.057370][T10134] ? clear_bhb_loop+0x40/0x90 [ 606.057393][T10134] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 606.057411][T10134] RIP: 0033:0x7fc7fbf34d1a [ 606.057429][T10134] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 606.057444][T10134] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 606.057470][T10134] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 606.057484][T10134] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 606.057497][T10134] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 606.057510][T10134] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 606.057522][T10134] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 606.057551][T10134] [ 606.057585][T10134] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 606.057599][T10134] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 606.291812][T10120] gfs2: fsid=syz:syz.0: found 1 quota changes [ 606.317415][T10120] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 606.497146][ T9108] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 606.497183][ T9108] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 606.497212][ T9108] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9108 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 606.497253][ T9108] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 606.497280][ T9108] CPU: 1 UID: 0 PID: 9108 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 606.497301][ T9108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 606.497316][ T9108] Call Trace: [ 606.497324][ T9108] [ 606.497333][ T9108] dump_stack_lvl+0xe8/0x150 [ 606.497359][ T9108] gfs2_withdraw+0xc3/0x1b0 [ 606.497388][ T9108] inode_go_instantiate+0xe69/0x12a0 [ 606.497417][ T9108] ? __pfx_inode_go_instantiate+0x10/0x10 [ 606.497434][ T9108] ? rt_spin_unlock+0x160/0x200 [ 606.497472][ T9108] gfs2_instantiate+0x168/0x220 [ 606.497495][ T9108] gfs2_glock_wait+0x1d7/0x2a0 [ 606.497518][ T9108] do_sync+0x49a/0xcb0 [ 606.497543][ T9108] ? gfs2_quota_sync+0x370/0x470 [ 606.497576][ T9108] ? __pfx_do_sync+0x10/0x10 [ 606.497598][ T9108] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 606.497631][ T9108] ? gfs2_quota_sync+0x370/0x470 [ 606.497654][ T9108] ? rt_spin_unlock+0x14f/0x200 [ 606.497682][ T9108] ? rt_spin_unlock+0x160/0x200 [ 606.497710][ T9108] gfs2_quota_sync+0x370/0x470 [ 606.497744][ T9108] gfs2_sync_fs+0x4c/0xb0 [ 606.497768][ T9108] sync_filesystem+0xed/0x250 [ 606.497796][ T9108] generic_shutdown_super+0x77/0x2d0 [ 606.497824][ T9108] kill_block_super+0x44/0x90 [ 606.497850][ T9108] deactivate_locked_super+0xbc/0x130 [ 606.497877][ T9108] cleanup_mnt+0x437/0x4d0 [ 606.497903][ T9108] ? _raw_spin_unlock_irq+0x23/0x50 [ 606.497925][ T9108] task_work_run+0x1d9/0x270 [ 606.497950][ T9108] ? __pfx_task_work_run+0x10/0x10 [ 606.497981][ T9108] exit_to_user_mode_loop+0xed/0x4d0 [ 606.497999][ T9108] ? rcu_is_watching+0x15/0xb0 [ 606.498022][ T9108] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 606.498042][ T9108] ? do_syscall_64+0x33e/0xf80 [ 606.498061][ T9108] ? trace_irq_disable+0x3b/0x140 [ 606.498087][ T9108] ? clear_bhb_loop+0x40/0x90 [ 606.498110][ T9108] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 606.498143][ T9108] [ 606.498160][ T9108] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 606.648532][T10132] loop3: detected capacity change from 0 to 32768 [ 606.753858][T10132] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 606.753883][T10132] CPU: 1 UID: 0 PID: 10132 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 606.753907][T10132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 606.753919][T10132] Call Trace: [ 606.753927][T10132] [ 606.753935][T10132] dump_stack_lvl+0xe8/0x150 [ 606.753966][T10132] sysfs_create_dir_ns+0x271/0x2a0 [ 606.753992][T10132] ? __pfx_rt_mutex_slowunlock+0x10/0x10 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 606.754019][T10132] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 606.754045][T10132] ? rt_spin_unlock+0x160/0x200 [ 606.754072][T10132] kobject_add_internal+0x631/0xd10 [ 606.754103][T10132] kobject_init_and_add+0x12b/0x1a0 [ 606.754132][T10132] ? __pfx_kobject_init_and_add+0x10/0x10 [ 606.754157][T10132] ? __raw_spin_lock_init+0x45/0x100 [ 606.754197][T10132] ? __init_swait_queue_head+0xa9/0x150 [ 606.754226][T10132] gfs2_sys_fs_add+0x257/0x480 [ 606.754248][T10132] ? is_dynamic_key+0x1ac/0x1c0 executing program [ 606.754265][T10132] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 606.754294][T10132] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 606.754326][T10132] gfs2_fill_super+0x141c/0x2220 [ 606.754360][T10132] ? __pfx_gfs2_fill_super+0x10/0x10 [ 606.754377][T10132] ? rt_spin_unlock+0x14f/0x200 [ 606.754413][T10132] ? sb_set_blocksize+0x11b/0x210 [ 606.754434][T10132] ? setup_bdev_super+0x4c1/0x5b0 [ 606.754467][T10132] get_tree_bdev_flags+0x431/0x4f0 [ 606.754493][T10132] ? __pfx_gfs2_fill_super+0x10/0x10 [ 606.754513][T10132] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 606.754537][T10132] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 606.754572][T10132] gfs2_get_tree+0x51/0x1e0 [ 606.754595][T10132] vfs_get_tree+0x92/0x2a0 [ 606.754623][T10132] do_new_mount+0x341/0xd30 [ 606.754642][T10132] ? apparmor_capable+0x126/0x170 [ 606.754669][T10132] ? __pfx_do_new_mount+0x10/0x10 [ 606.754689][T10132] ? ns_capable+0x89/0xe0 [ 606.754717][T10132] ? user_path_at+0xd4/0x160 [ 606.754744][T10132] ? user_path_at+0xd4/0x160 [ 606.754770][T10132] __se_sys_mount+0x31d/0x420 [ 606.754795][T10132] ? __pfx___se_sys_mount+0x10/0x10 [ 606.754823][T10132] ? __x64_sys_mount+0x20/0xc0 [ 606.754844][T10132] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 606.754864][T10132] do_syscall_64+0x15f/0xf80 [ 606.754883][T10132] ? trace_irq_disable+0x3b/0x140 [ 606.754908][T10132] ? clear_bhb_loop+0x40/0x90 [ 606.754931][T10132] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 606.754949][T10132] RIP: 0033:0x7fc7fbf34d1a [ 606.754967][T10132] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 606.754983][T10132] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 606.755003][T10132] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 606.755017][T10132] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 606.755030][T10132] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 606.755042][T10132] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 606.755055][T10132] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 606.755084][T10132] [ 606.755128][T10132] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 606.755143][T10132] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 607.657985][T10136] loop4: detected capacity change from 0 to 32768 [ 607.679604][T10136] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 607.679623][T10136] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 607.725900][T10136] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 607.769659][ T5746] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 607.769680][ T5746] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 607.910349][ T5746] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 140ms [ 607.910594][ T5746] gfs2: fsid=syz:syz.0: jid=0: Done [ 607.927298][T10136] gfs2: fsid=syz:syz.0: first mount done, others may mount the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 608.217720][T10136] gfs2: fsid=syz:syz.0: found 1 quota changes [ 608.249717][T10136] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 608.320554][T10144] loop1: detected capacity change from 0 to 32768 [ 608.351380][ T9109] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 608.351414][ T9109] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 608.351444][ T9109] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9109 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 608.351483][ T9109] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 608.351510][ T9109] CPU: 0 UID: 0 PID: 9109 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 608.351531][ T9109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 608.351543][ T9109] Call Trace: [ 608.351550][ T9109] [ 608.351557][ T9109] dump_stack_lvl+0xe8/0x150 [ 608.351584][ T9109] gfs2_withdraw+0xc3/0x1b0 [ 608.351606][ T9109] inode_go_instantiate+0xe69/0x12a0 [ 608.351636][ T9109] ? __pfx_inode_go_instantiate+0x10/0x10 [ 608.351653][ T9109] ? rt_spin_unlock+0x160/0x200 [ 608.351689][ T9109] gfs2_instantiate+0x168/0x220 [ 608.351713][ T9109] gfs2_glock_wait+0x1d7/0x2a0 [ 608.351738][ T9109] do_sync+0x49a/0xcb0 [ 608.351762][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 608.351795][ T9109] ? __pfx_do_sync+0x10/0x10 [ 608.351818][ T9109] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 608.351850][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 608.351870][ T9109] ? rt_spin_unlock+0x14f/0x200 [ 608.351898][ T9109] ? rt_spin_unlock+0x160/0x200 [ 608.351925][ T9109] gfs2_quota_sync+0x370/0x470 [ 608.351960][ T9109] gfs2_sync_fs+0x4c/0xb0 [ 608.351985][ T9109] sync_filesystem+0xed/0x250 [ 608.352014][ T9109] generic_shutdown_super+0x77/0x2d0 [ 608.352042][ T9109] kill_block_super+0x44/0x90 [ 608.352070][ T9109] deactivate_locked_super+0xbc/0x130 [ 608.352096][ T9109] cleanup_mnt+0x437/0x4d0 [ 608.352121][ T9109] ? _raw_spin_unlock_irq+0x23/0x50 [ 608.352145][ T9109] task_work_run+0x1d9/0x270 [ 608.352171][ T9109] ? __pfx_task_work_run+0x10/0x10 [ 608.352204][ T9109] exit_to_user_mode_loop+0xed/0x4d0 [ 608.352222][ T9109] ? rcu_is_watching+0x15/0xb0 [ 608.352246][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 608.352275][ T9109] ? do_syscall_64+0x33e/0xf80 [ 608.352295][ T9109] ? trace_irq_disable+0x3b/0x140 [ 608.352322][ T9109] ? clear_bhb_loop+0x40/0x90 [ 608.352346][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 608.352381][ T9109] [ 608.352389][ T9109] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 608.419804][T10144] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 608.419891][T10144] CPU: 0 UID: 0 PID: 10144 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 608.419915][T10144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 608.419927][T10144] Call Trace: [ 608.419934][T10144] [ 608.419942][T10144] dump_stack_lvl+0xe8/0x150 [ 608.419973][T10144] sysfs_create_dir_ns+0x271/0x2a0 [ 608.419998][T10144] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 608.420027][T10144] ? __pfx_sysfs_create_dir_ns+0x10/0x10 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 608.420054][T10144] ? rt_spin_unlock+0x160/0x200 [ 608.420083][T10144] kobject_add_internal+0x631/0xd10 [ 608.420116][T10144] kobject_init_and_add+0x12b/0x1a0 [ 608.420146][T10144] ? __pfx_kobject_init_and_add+0x10/0x10 [ 608.420173][T10144] ? __raw_spin_lock_init+0x45/0x100 [ 608.420223][T10144] ? __init_swait_queue_head+0xa9/0x150 [ 608.420254][T10144] gfs2_sys_fs_add+0x257/0x480 [ 608.420279][T10144] ? is_dynamic_key+0x1ac/0x1c0 [ 608.420300][T10144] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 608.420334][T10144] ? __pfx_alloc_workqueue_noprof+0x10/0x10 executing program executing program [ 608.420368][T10144] gfs2_fill_super+0x141c/0x2220 [ 608.420403][T10144] ? __pfx_gfs2_fill_super+0x10/0x10 [ 608.420422][T10144] ? rt_spin_unlock+0x14f/0x200 [ 608.420453][T10144] ? sb_set_blocksize+0x11b/0x210 [ 608.420475][T10144] ? setup_bdev_super+0x4c1/0x5b0 [ 608.420512][T10144] get_tree_bdev_flags+0x431/0x4f0 [ 608.420540][T10144] ? __pfx_gfs2_fill_super+0x10/0x10 [ 608.420560][T10144] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 608.420586][T10144] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 608.420627][T10144] gfs2_get_tree+0x51/0x1e0 [ 608.420650][T10144] vfs_get_tree+0x92/0x2a0 [ 608.420679][T10144] do_new_mount+0x341/0xd30 [ 608.420700][T10144] ? apparmor_capable+0x126/0x170 [ 608.420727][T10144] ? __pfx_do_new_mount+0x10/0x10 [ 608.420749][T10144] ? ns_capable+0x89/0xe0 [ 608.420778][T10144] ? user_path_at+0xd4/0x160 [ 608.420807][T10144] ? user_path_at+0xd4/0x160 [ 608.420833][T10144] __se_sys_mount+0x31d/0x420 [ 608.420862][T10144] ? __pfx___se_sys_mount+0x10/0x10 [ 608.420891][T10144] ? __x64_sys_mount+0x20/0xc0 [ 608.420912][T10144] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 608.420934][T10144] do_syscall_64+0x15f/0xf80 [ 608.420954][T10144] ? trace_irq_disable+0x3b/0x140 [ 608.420981][T10144] ? clear_bhb_loop+0x40/0x90 [ 608.421004][T10144] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 608.421029][T10144] RIP: 0033:0x7fc7fbf34d1a [ 608.421048][T10144] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 608.421064][T10144] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 608.421085][T10144] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 608.421098][T10144] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 608.421111][T10144] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 608.421124][T10144] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 608.421136][T10144] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 608.421166][T10144] [ 608.525850][T10144] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 608.525873][T10144] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 608.594317][T10148] loop0: detected capacity change from 0 to 32768 [ 608.640660][T10148] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 608.640685][T10148] CPU: 1 UID: 0 PID: 10148 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 608.640708][T10148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 608.640720][T10148] Call Trace: [ 608.640727][T10148] [ 608.640734][T10148] dump_stack_lvl+0xe8/0x150 [ 608.640763][T10148] sysfs_create_dir_ns+0x271/0x2a0 [ 608.640787][T10148] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 608.640816][T10148] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 608.640841][T10148] ? rt_spin_unlock+0x160/0x200 [ 608.640868][T10148] kobject_add_internal+0x631/0xd10 [ 608.640900][T10148] kobject_init_and_add+0x12b/0x1a0 [ 608.640929][T10148] ? __pfx_kobject_init_and_add+0x10/0x10 [ 608.640954][T10148] ? __raw_spin_lock_init+0x45/0x100 [ 608.640983][T10148] ? __init_swait_queue_head+0xa9/0x150 [ 608.641013][T10148] gfs2_sys_fs_add+0x257/0x480 [ 608.641036][T10148] ? is_dynamic_key+0x1ac/0x1c0 [ 608.641055][T10148] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 608.641088][T10148] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 608.641124][T10148] gfs2_fill_super+0x141c/0x2220 [ 608.641158][T10148] ? __pfx_gfs2_fill_super+0x10/0x10 [ 608.641175][T10148] ? rt_spin_unlock+0x14f/0x200 [ 608.641199][T10148] ? sb_set_blocksize+0x11b/0x210 [ 608.641219][T10148] ? setup_bdev_super+0x4c1/0x5b0 [ 608.641249][T10148] get_tree_bdev_flags+0x431/0x4f0 [ 608.641275][T10148] ? __pfx_gfs2_fill_super+0x10/0x10 [ 608.641294][T10148] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 608.641319][T10148] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 608.641353][T10148] gfs2_get_tree+0x51/0x1e0 [ 608.641375][T10148] vfs_get_tree+0x92/0x2a0 [ 608.641403][T10148] do_new_mount+0x341/0xd30 [ 608.641423][T10148] ? apparmor_capable+0x126/0x170 [ 608.641449][T10148] ? __pfx_do_new_mount+0x10/0x10 [ 608.641471][T10148] ? ns_capable+0x89/0xe0 [ 608.641499][T10148] ? user_path_at+0xd4/0x160 [ 608.641532][T10148] ? user_path_at+0xd4/0x160 [ 608.641558][T10148] __se_sys_mount+0x31d/0x420 [ 608.641584][T10148] ? __pfx___se_sys_mount+0x10/0x10 [ 608.641611][T10148] ? __x64_sys_mount+0x20/0xc0 [ 608.641632][T10148] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 608.641652][T10148] do_syscall_64+0x15f/0xf80 [ 608.641672][T10148] ? trace_irq_disable+0x3b/0x140 [ 608.641698][T10148] ? clear_bhb_loop+0x40/0x90 [ 608.641721][T10148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 608.641739][T10148] RIP: 0033:0x7fc7fbf34d1a [ 608.641757][T10148] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 608.641772][T10148] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 608.641792][T10148] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 608.641805][T10148] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 608.641818][T10148] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 608.641831][T10148] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 608.641843][T10148] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 608.641872][T10148] [ 608.646402][T10148] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 608.646423][T10148] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 609.589826][T10152] loop3: detected capacity change from 0 to 32768 [ 609.647792][T10152] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 609.647812][T10152] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 609.707553][T10152] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 609.714620][ T5784] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 609.714640][ T5784] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 609.751651][T10156] loop2: detected capacity change from 0 to 32768 [ 609.756592][T10156] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 609.756616][T10156] CPU: 0 UID: 0 PID: 10156 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 609.756640][T10156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 609.756652][T10156] Call Trace: [ 609.756661][T10156] [ 609.756669][T10156] dump_stack_lvl+0xe8/0x150 [ 609.756698][T10156] sysfs_create_dir_ns+0x271/0x2a0 [ 609.756723][T10156] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 609.756753][T10156] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 609.756779][T10156] ? rt_spin_unlock+0x160/0x200 [ 609.756806][T10156] kobject_add_internal+0x631/0xd10 [ 609.756836][T10156] kobject_init_and_add+0x12b/0x1a0 [ 609.756864][T10156] ? __pfx_kobject_init_and_add+0x10/0x10 [ 609.756886][T10156] ? __raw_spin_lock_init+0x45/0x100 [ 609.756911][T10156] ? __init_swait_queue_head+0xa9/0x150 [ 609.756941][T10156] gfs2_sys_fs_add+0x257/0x480 [ 609.756964][T10156] ? is_dynamic_key+0x1ac/0x1c0 [ 609.756984][T10156] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 609.757017][T10156] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 609.757054][T10156] gfs2_fill_super+0x141c/0x2220 [ 609.757088][T10156] ? __pfx_gfs2_fill_super+0x10/0x10 [ 609.757103][T10156] ? rt_spin_unlock+0x14f/0x200 [ 609.757129][T10156] ? sb_set_blocksize+0x11b/0x210 [ 609.757150][T10156] ? setup_bdev_super+0x4c1/0x5b0 [ 609.757179][T10156] get_tree_bdev_flags+0x431/0x4f0 [ 609.757206][T10156] ? __pfx_gfs2_fill_super+0x10/0x10 [ 609.757222][T10156] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 609.757246][T10156] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 609.757285][T10156] gfs2_get_tree+0x51/0x1e0 [ 609.757307][T10156] vfs_get_tree+0x92/0x2a0 [ 609.757333][T10156] do_new_mount+0x341/0xd30 [ 609.757352][T10156] ? apparmor_capable+0x126/0x170 [ 609.757385][T10156] ? __pfx_do_new_mount+0x10/0x10 [ 609.757406][T10156] ? ns_capable+0x89/0xe0 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 609.757432][T10156] ? user_path_at+0xd4/0x160 [ 609.757459][T10156] ? user_path_at+0xd4/0x160 [ 609.757490][T10156] __se_sys_mount+0x31d/0x420 [ 609.757515][T10156] ? __pfx___se_sys_mount+0x10/0x10 [ 609.757542][T10156] ? __x64_sys_mount+0x20/0xc0 [ 609.757564][T10156] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 609.757585][T10156] do_syscall_64+0x15f/0xf80 [ 609.757604][T10156] ? trace_irq_disable+0x3b/0x140 [ 609.757630][T10156] ? clear_bhb_loop+0x40/0x90 [ 609.757651][T10156] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 609.757669][T10156] RIP: 0033:0x7fc7fbf34d1a [ 609.757688][T10156] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 609.757704][T10156] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 609.757722][T10156] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a executing program [ 609.757735][T10156] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 609.757747][T10156] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 609.757757][T10156] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 609.757769][T10156] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 609.757796][T10156] [ 609.760808][T10156] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 609.760829][T10156] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 610.042302][ T5784] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 327ms [ 610.046518][ T5784] gfs2: fsid=syz:syz.0: jid=0: Done [ 610.049064][T10152] gfs2: fsid=syz:syz.0: first mount done, others may mount the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 610.579056][T10152] gfs2: fsid=syz:syz.0: found 1 quota changes [ 610.590067][T10152] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 610.717694][ T9110] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 610.717732][ T9110] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 610.717761][ T9110] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9110 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 610.717802][ T9110] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 610.717830][ T9110] CPU: 0 UID: 0 PID: 9110 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 610.717851][ T9110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 610.717862][ T9110] Call Trace: [ 610.717870][ T9110] [ 610.717880][ T9110] dump_stack_lvl+0xe8/0x150 [ 610.717906][ T9110] gfs2_withdraw+0xc3/0x1b0 [ 610.717929][ T9110] inode_go_instantiate+0xe69/0x12a0 [ 610.717956][ T9110] ? __pfx_bit_wait+0x10/0x10 [ 610.717986][ T9110] ? __pfx_inode_go_instantiate+0x10/0x10 [ 610.718004][ T9110] ? rt_spin_unlock+0x160/0x200 [ 610.718031][ T9110] ? __pfx_wake_bit_function+0x10/0x10 [ 610.718064][ T9110] gfs2_instantiate+0x168/0x220 [ 610.718089][ T9110] gfs2_glock_wait+0x1d7/0x2a0 [ 610.718113][ T9110] do_sync+0x49a/0xcb0 [ 610.718138][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 610.718172][ T9110] ? __pfx_do_sync+0x10/0x10 [ 610.718194][ T9110] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 610.718229][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 610.718252][ T9110] ? rt_spin_unlock+0x14f/0x200 [ 610.718281][ T9110] ? rt_spin_unlock+0x160/0x200 [ 610.718309][ T9110] gfs2_quota_sync+0x370/0x470 [ 610.718344][ T9110] gfs2_sync_fs+0x4c/0xb0 [ 610.718370][ T9110] sync_filesystem+0xed/0x250 [ 610.718397][ T9110] generic_shutdown_super+0x77/0x2d0 [ 610.718423][ T9110] kill_block_super+0x44/0x90 [ 610.718446][ T9110] deactivate_locked_super+0xbc/0x130 [ 610.718470][ T9110] cleanup_mnt+0x437/0x4d0 [ 610.718496][ T9110] ? _raw_spin_unlock_irq+0x23/0x50 [ 610.718520][ T9110] task_work_run+0x1d9/0x270 [ 610.718546][ T9110] ? __pfx_task_work_run+0x10/0x10 [ 610.718578][ T9110] exit_to_user_mode_loop+0xed/0x4d0 [ 610.718597][ T9110] ? rcu_is_watching+0x15/0xb0 [ 610.718622][ T9110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 610.718643][ T9110] ? do_syscall_64+0x33e/0xf80 [ 610.718663][ T9110] ? trace_irq_disable+0x3b/0x140 [ 610.718697][ T9110] ? clear_bhb_loop+0x40/0x90 [ 610.718721][ T9110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 610.718757][ T9110] [ 610.718765][ T9110] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 610.978746][T10166] loop0: detected capacity change from 0 to 32768 [ 611.015162][T10166] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 611.015185][T10166] CPU: 1 UID: 0 PID: 10166 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 611.015208][T10166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 611.015220][T10166] Call Trace: [ 611.015228][T10166] [ 611.015237][T10166] dump_stack_lvl+0xe8/0x150 [ 611.015267][T10166] sysfs_create_dir_ns+0x271/0x2a0 [ 611.015292][T10166] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 611.015322][T10166] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 611.015349][T10166] ? rt_spin_unlock+0x160/0x200 [ 611.015377][T10166] kobject_add_internal+0x631/0xd10 [ 611.015410][T10166] kobject_init_and_add+0x12b/0x1a0 [ 611.015441][T10166] ? __pfx_kobject_init_and_add+0x10/0x10 [ 611.015468][T10166] ? __raw_spin_lock_init+0x45/0x100 [ 611.015497][T10166] ? __init_swait_queue_head+0xa9/0x150 [ 611.015528][T10166] gfs2_sys_fs_add+0x257/0x480 [ 611.015553][T10166] ? is_dynamic_key+0x1ac/0x1c0 [ 611.015573][T10166] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 611.015606][T10166] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 611.015640][T10166] gfs2_fill_super+0x141c/0x2220 [ 611.015675][T10166] ? __pfx_gfs2_fill_super+0x10/0x10 [ 611.015693][T10166] ? rt_spin_unlock+0x14f/0x200 [ 611.015722][T10166] ? sb_set_blocksize+0x11b/0x210 [ 611.015744][T10166] ? setup_bdev_super+0x4c1/0x5b0 [ 611.015775][T10166] get_tree_bdev_flags+0x431/0x4f0 [ 611.015803][T10166] ? __pfx_gfs2_fill_super+0x10/0x10 [ 611.015822][T10166] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 611.015847][T10166] ? __pfx_vfs_parse_comma_sep+0x10/0x10 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 611.015883][T10166] gfs2_get_tree+0x51/0x1e0 [ 611.015906][T10166] vfs_get_tree+0x92/0x2a0 [ 611.015935][T10166] do_new_mount+0x341/0xd30 [ 611.015956][T10166] ? apparmor_capable+0x126/0x170 [ 611.015982][T10166] ? __pfx_do_new_mount+0x10/0x10 [ 611.016011][T10166] ? ns_capable+0x89/0xe0 [ 611.016040][T10166] ? user_path_at+0xd4/0x160 [ 611.016068][T10166] ? user_path_at+0xd4/0x160 [ 611.016094][T10166] __se_sys_mount+0x31d/0x420 [ 611.016122][T10166] ? __pfx___se_sys_mount+0x10/0x10 [ 611.016151][T10166] ? __x64_sys_mount+0x20/0xc0 [ 611.016172][T10166] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 611.016193][T10166] do_syscall_64+0x15f/0xf80 [ 611.016213][T10166] ? trace_irq_disable+0x3b/0x140 [ 611.016241][T10166] ? clear_bhb_loop+0x40/0x90 [ 611.016264][T10166] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 611.016283][T10166] RIP: 0033:0x7fc7fbf34d1a executing program [ 611.016301][T10166] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 611.016317][T10166] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 611.016337][T10166] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 611.016351][T10166] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 611.016369][T10166] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 611.016382][T10166] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 611.016397][T10166] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 611.016427][T10166] [ 611.023021][T10166] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 611.023043][T10166] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 611.567290][T10165] loop1: detected capacity change from 0 to 32768 [ 611.607869][T10165] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 611.607889][T10165] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 611.609893][T10168] loop4: detected capacity change from 0 to 32768 [ 611.645282][T10168] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 611.645304][T10168] CPU: 1 UID: 0 PID: 10168 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 611.645322][T10168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 611.645330][T10168] Call Trace: [ 611.645336][T10168] [ 611.645344][T10168] dump_stack_lvl+0xe8/0x150 [ 611.645371][T10168] sysfs_create_dir_ns+0x271/0x2a0 [ 611.645391][T10168] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 611.645416][T10168] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 611.645438][T10168] ? rt_spin_unlock+0x160/0x200 [ 611.645458][T10168] kobject_add_internal+0x631/0xd10 [ 611.645482][T10168] kobject_init_and_add+0x12b/0x1a0 [ 611.645504][T10168] ? __pfx_kobject_init_and_add+0x10/0x10 [ 611.645523][T10168] ? __raw_spin_lock_init+0x45/0x100 [ 611.645546][T10168] ? __init_swait_queue_head+0xa9/0x150 [ 611.645570][T10168] gfs2_sys_fs_add+0x257/0x480 [ 611.645588][T10168] ? is_dynamic_key+0x1ac/0x1c0 [ 611.645603][T10168] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 611.645628][T10168] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 611.645655][T10168] gfs2_fill_super+0x141c/0x2220 [ 611.645683][T10168] ? __pfx_gfs2_fill_super+0x10/0x10 [ 611.645697][T10168] ? rt_spin_unlock+0x14f/0x200 [ 611.645721][T10168] ? sb_set_blocksize+0x11b/0x210 [ 611.645738][T10168] ? setup_bdev_super+0x4c1/0x5b0 [ 611.645762][T10168] get_tree_bdev_flags+0x431/0x4f0 [ 611.645782][T10168] ? __pfx_gfs2_fill_super+0x10/0x10 [ 611.645796][T10168] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 611.645818][T10168] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 611.645845][T10168] gfs2_get_tree+0x51/0x1e0 [ 611.645862][T10168] vfs_get_tree+0x92/0x2a0 [ 611.645892][T10168] do_new_mount+0x341/0xd30 [ 611.645908][T10168] ? apparmor_capable+0x126/0x170 [ 611.645930][T10168] ? __pfx_do_new_mount+0x10/0x10 [ 611.645948][T10168] ? ns_capable+0x89/0xe0 [ 611.645972][T10168] ? user_path_at+0xd4/0x160 [ 611.645997][T10168] ? user_path_at+0xd4/0x160 [ 611.646018][T10168] __se_sys_mount+0x31d/0x420 [ 611.646039][T10168] ? __pfx___se_sys_mount+0x10/0x10 [ 611.646060][T10168] ? __x64_sys_mount+0x20/0xc0 [ 611.646079][T10168] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 611.646095][T10168] do_syscall_64+0x15f/0xf80 [ 611.646112][T10168] ? clear_bhb_loop+0x40/0x90 [ 611.646130][T10168] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 611.646144][T10168] RIP: 0033:0x7fc7fbf34d1a [ 611.646160][T10168] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 611.646172][T10168] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 611.646197][T10168] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 611.646207][T10168] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 611.646217][T10168] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 611.646227][T10168] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 611.646236][T10168] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 611.646260][T10168] [ 611.686564][T10168] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 611.686588][T10168] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 611.936864][T10165] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms executing program [ 611.966470][ T822] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 611.966492][ T822] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... executing program [ 612.252773][ T822] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 286ms [ 612.253027][ T822] gfs2: fsid=syz:syz.0: jid=0: Done [ 612.253511][T10165] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 612.433978][T10176] loop2: detected capacity change from 0 to 32768 [ 612.457060][T10176] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 612.457090][T10176] CPU: 1 UID: 0 PID: 10176 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 612.457110][T10176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 612.457121][T10176] Call Trace: [ 612.457129][T10176] [ 612.457136][T10176] dump_stack_lvl+0xe8/0x150 [ 612.457165][T10176] sysfs_create_dir_ns+0x271/0x2a0 [ 612.457191][T10176] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 612.457219][T10176] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 612.457246][T10176] ? rt_spin_unlock+0x160/0x200 [ 612.457272][T10176] kobject_add_internal+0x631/0xd10 [ 612.457306][T10176] kobject_init_and_add+0x12b/0x1a0 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 612.457337][T10176] ? __pfx_kobject_init_and_add+0x10/0x10 [ 612.457362][T10176] ? __raw_spin_lock_init+0x45/0x100 [ 612.457392][T10176] ? __init_swait_queue_head+0xa9/0x150 [ 612.457423][T10176] gfs2_sys_fs_add+0x257/0x480 [ 612.457446][T10176] ? is_dynamic_key+0x1ac/0x1c0 [ 612.457467][T10176] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 612.457499][T10176] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 612.457534][T10176] gfs2_fill_super+0x141c/0x2220 [ 612.457569][T10176] ? __pfx_gfs2_fill_super+0x10/0x10 [ 612.457587][T10176] ? rt_spin_unlock+0x14f/0x200 executing program the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 612.457617][T10176] ? sb_set_blocksize+0x11b/0x210 [ 612.457638][T10176] ? setup_bdev_super+0x4c1/0x5b0 [ 612.457669][T10176] get_tree_bdev_flags+0x431/0x4f0 [ 612.457696][T10176] ? __pfx_gfs2_fill_super+0x10/0x10 [ 612.457716][T10176] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 612.457740][T10176] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 612.457777][T10176] gfs2_get_tree+0x51/0x1e0 [ 612.457799][T10176] vfs_get_tree+0x92/0x2a0 [ 612.457826][T10176] do_new_mount+0x341/0xd30 [ 612.457846][T10176] ? apparmor_capable+0x126/0x170 [ 612.457874][T10176] ? __pfx_do_new_mount+0x10/0x10 [ 612.457896][T10176] ? ns_capable+0x89/0xe0 [ 612.457926][T10176] ? user_path_at+0xd4/0x160 [ 612.457954][T10176] ? user_path_at+0xd4/0x160 [ 612.457982][T10176] __se_sys_mount+0x31d/0x420 [ 612.458010][T10176] ? __pfx___se_sys_mount+0x10/0x10 [ 612.458040][T10176] ? __x64_sys_mount+0x20/0xc0 [ 612.458067][T10176] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 612.458089][T10176] do_syscall_64+0x15f/0xf80 [ 612.458109][T10176] ? trace_irq_disable+0x3b/0x140 [ 612.458137][T10176] ? clear_bhb_loop+0x40/0x90 [ 612.458161][T10176] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 612.458180][T10176] RIP: 0033:0x7fc7fbf34d1a [ 612.458198][T10176] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 612.458215][T10176] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 612.458236][T10176] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 612.458250][T10176] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 612.458263][T10176] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 612.458276][T10176] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 612.458289][T10176] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 612.458319][T10176] [ 612.458344][T10176] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 612.458360][T10176] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 612.624536][T10165] gfs2: fsid=syz:syz.0: found 1 quota changes [ 612.634531][T10165] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 612.968402][ T9107] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 612.968443][ T9107] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 612.968473][ T9107] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9107 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 612.968515][ T9107] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 612.968541][ T9107] CPU: 0 UID: 0 PID: 9107 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 612.968562][ T9107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 612.968573][ T9107] Call Trace: [ 612.968580][ T9107] [ 612.968590][ T9107] dump_stack_lvl+0xe8/0x150 [ 612.968617][ T9107] gfs2_withdraw+0xc3/0x1b0 [ 612.968639][ T9107] inode_go_instantiate+0xe69/0x12a0 [ 612.968669][ T9107] ? __pfx_inode_go_instantiate+0x10/0x10 [ 612.968688][ T9107] ? rt_spin_unlock+0x160/0x200 [ 612.968725][ T9107] gfs2_instantiate+0x168/0x220 [ 612.968750][ T9107] gfs2_glock_wait+0x1d7/0x2a0 [ 612.968775][ T9107] do_sync+0x49a/0xcb0 [ 612.968799][ T9107] ? gfs2_quota_sync+0x370/0x470 [ 612.968826][ T9107] ? __pfx_do_sync+0x10/0x10 [ 612.968848][ T9107] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 612.968884][ T9107] ? gfs2_quota_sync+0x370/0x470 [ 612.968907][ T9107] ? rt_spin_unlock+0x14f/0x200 [ 612.968938][ T9107] ? rt_spin_unlock+0x160/0x200 [ 612.968966][ T9107] gfs2_quota_sync+0x370/0x470 [ 612.969001][ T9107] gfs2_sync_fs+0x4c/0xb0 [ 612.969026][ T9107] sync_filesystem+0xed/0x250 [ 612.969065][ T9107] generic_shutdown_super+0x77/0x2d0 [ 612.969095][ T9107] kill_block_super+0x44/0x90 [ 612.969123][ T9107] deactivate_locked_super+0xbc/0x130 [ 612.969150][ T9107] cleanup_mnt+0x437/0x4d0 [ 612.969176][ T9107] ? _raw_spin_unlock_irq+0x23/0x50 [ 612.969201][ T9107] task_work_run+0x1d9/0x270 [ 612.969227][ T9107] ? __pfx_task_work_run+0x10/0x10 [ 612.969260][ T9107] exit_to_user_mode_loop+0xed/0x4d0 [ 612.969278][ T9107] ? rcu_is_watching+0x15/0xb0 [ 612.969303][ T9107] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 612.969324][ T9107] ? do_syscall_64+0x33e/0xf80 [ 612.969344][ T9107] ? trace_irq_disable+0x3b/0x140 [ 612.969372][ T9107] ? clear_bhb_loop+0x40/0x90 [ 612.969396][ T9107] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 612.969432][ T9107] [ 612.969440][ T9107] gfs2: fsid=syz:syz.0: about to withdraw this file system executing program [ 613.760064][T10188] loop3: detected capacity change from 0 to 32768 [ 613.796850][T10188] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 613.796867][T10188] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 613.872673][T10188] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 613.877067][ T5746] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 613.877087][ T5746] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 613.938162][T10180] loop0: detected capacity change from 0 to 32768 [ 613.960772][T10180] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 613.960796][T10180] CPU: 1 UID: 0 PID: 10180 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 613.960818][T10180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 613.960829][T10180] Call Trace: [ 613.960836][T10180] [ 613.960844][T10180] dump_stack_lvl+0xe8/0x150 [ 613.960875][T10180] sysfs_create_dir_ns+0x271/0x2a0 [ 613.960900][T10180] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 613.960928][T10180] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 613.960954][T10180] ? rt_spin_unlock+0x160/0x200 [ 613.960981][T10180] kobject_add_internal+0x631/0xd10 [ 613.961012][T10180] kobject_init_and_add+0x12b/0x1a0 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 613.961041][T10180] ? __pfx_kobject_init_and_add+0x10/0x10 [ 613.961068][T10180] ? __raw_spin_lock_init+0x45/0x100 [ 613.961097][T10180] ? __init_swait_queue_head+0xa9/0x150 [ 613.961128][T10180] gfs2_sys_fs_add+0x257/0x480 [ 613.961152][T10180] ? is_dynamic_key+0x1ac/0x1c0 [ 613.961174][T10180] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 613.961202][T10180] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 613.961233][T10180] gfs2_fill_super+0x141c/0x2220 [ 613.961264][T10180] ? __pfx_gfs2_fill_super+0x10/0x10 executing program [ 613.961281][T10180] ? rt_spin_unlock+0x14f/0x200 [ 613.961308][T10180] ? sb_set_blocksize+0x11b/0x210 [ 613.961328][T10180] ? setup_bdev_super+0x4c1/0x5b0 [ 613.961358][T10180] get_tree_bdev_flags+0x431/0x4f0 [ 613.961385][T10180] ? __pfx_gfs2_fill_super+0x10/0x10 [ 613.961404][T10180] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 613.961427][T10180] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 613.961464][T10180] gfs2_get_tree+0x51/0x1e0 [ 613.961488][T10180] vfs_get_tree+0x92/0x2a0 [ 613.961517][T10180] do_new_mount+0x341/0xd30 [ 613.961538][T10180] ? apparmor_capable+0x126/0x170 [ 613.961565][T10180] ? __pfx_do_new_mount+0x10/0x10 [ 613.961588][T10180] ? ns_capable+0x89/0xe0 [ 613.961618][T10180] ? user_path_at+0xd4/0x160 [ 613.961646][T10180] ? user_path_at+0xd4/0x160 [ 613.961672][T10180] __se_sys_mount+0x31d/0x420 [ 613.961700][T10180] ? __pfx___se_sys_mount+0x10/0x10 [ 613.961728][T10180] ? __x64_sys_mount+0x20/0xc0 [ 613.961750][T10180] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 613.961777][T10180] do_syscall_64+0x15f/0xf80 [ 613.961798][T10180] ? trace_irq_disable+0x3b/0x140 [ 613.961826][T10180] ? clear_bhb_loop+0x40/0x90 [ 613.961849][T10180] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 613.961868][T10180] RIP: 0033:0x7fc7fbf34d1a [ 613.961887][T10180] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 613.961904][T10180] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 613.961924][T10180] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 613.961938][T10180] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 613.961952][T10180] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 613.961965][T10180] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 613.961978][T10180] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 613.962007][T10180] [ 613.971595][T10180] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 613.971617][T10180] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 614.319985][ T5746] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 442ms [ 614.320240][ T5746] gfs2: fsid=syz:syz.0: jid=0: Done [ 614.328812][T10188] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 614.602721][T10194] loop2: detected capacity change from 0 to 32768 [ 614.620913][T10194] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 614.620958][T10194] CPU: 0 UID: 0 PID: 10194 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 614.620982][T10194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 614.620993][T10194] Call Trace: [ 614.621000][T10194] [ 614.621009][T10194] dump_stack_lvl+0xe8/0x150 [ 614.621039][T10194] sysfs_create_dir_ns+0x271/0x2a0 [ 614.621063][T10194] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 614.621091][T10194] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 614.621116][T10194] ? rt_spin_unlock+0x160/0x200 [ 614.621142][T10194] kobject_add_internal+0x631/0xd10 [ 614.621177][T10194] kobject_init_and_add+0x12b/0x1a0 [ 614.621203][T10194] ? __pfx_kobject_init_and_add+0x10/0x10 [ 614.621226][T10194] ? __raw_spin_lock_init+0x45/0x100 [ 614.621255][T10194] ? __init_swait_queue_head+0xa9/0x150 [ 614.621286][T10194] gfs2_sys_fs_add+0x257/0x480 [ 614.621309][T10194] ? is_dynamic_key+0x1ac/0x1c0 [ 614.621330][T10194] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 614.621362][T10194] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 614.621397][T10194] gfs2_fill_super+0x141c/0x2220 [ 614.621433][T10194] ? __pfx_gfs2_fill_super+0x10/0x10 [ 614.621451][T10194] ? rt_spin_unlock+0x14f/0x200 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 614.621481][T10194] ? sb_set_blocksize+0x11b/0x210 [ 614.621503][T10194] ? setup_bdev_super+0x4c1/0x5b0 [ 614.621533][T10194] get_tree_bdev_flags+0x431/0x4f0 [ 614.621560][T10194] ? __pfx_gfs2_fill_super+0x10/0x10 [ 614.621580][T10194] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 614.621604][T10194] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 614.621641][T10194] gfs2_get_tree+0x51/0x1e0 [ 614.621664][T10194] vfs_get_tree+0x92/0x2a0 [ 614.621692][T10194] do_new_mount+0x341/0xd30 [ 614.621713][T10194] ? apparmor_capable+0x126/0x170 [ 614.621739][T10194] ? __pfx_do_new_mount+0x10/0x10 [ 614.621761][T10194] ? ns_capable+0x89/0xe0 [ 614.621790][T10194] ? user_path_at+0xd4/0x160 [ 614.621818][T10194] ? user_path_at+0xd4/0x160 [ 614.621844][T10194] __se_sys_mount+0x31d/0x420 [ 614.621871][T10194] ? __pfx___se_sys_mount+0x10/0x10 [ 614.621901][T10194] ? __x64_sys_mount+0x20/0xc0 [ 614.621927][T10194] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 614.621954][T10194] do_syscall_64+0x15f/0xf80 [ 614.621973][T10194] ? trace_irq_disable+0x3b/0x140 [ 614.622001][T10194] ? clear_bhb_loop+0x40/0x90 [ 614.622024][T10194] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 614.622043][T10194] RIP: 0033:0x7fc7fbf34d1a [ 614.622061][T10194] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 614.622078][T10194] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 614.622099][T10194] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 614.622114][T10194] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 614.622128][T10194] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 614.622139][T10194] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 614.622152][T10194] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 614.622183][T10194] the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 614.699443][T10188] gfs2: fsid=syz:syz.0: found 1 quota changes [ 614.722971][T10194] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 614.722993][T10194] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 614.766229][T10188] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 614.867638][T10186] loop4: detected capacity change from 0 to 32768 [ 614.933700][T10186] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' executing program [ 614.933725][T10186] CPU: 1 UID: 0 PID: 10186 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 614.933747][T10186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 614.933759][T10186] Call Trace: [ 614.933766][T10186] [ 614.933775][T10186] dump_stack_lvl+0xe8/0x150 [ 614.933804][T10186] sysfs_create_dir_ns+0x271/0x2a0 [ 614.933829][T10186] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 614.933856][T10186] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 614.933882][T10186] ? rt_spin_unlock+0x160/0x200 [ 614.933909][T10186] kobject_add_internal+0x631/0xd10 [ 614.933940][T10186] kobject_init_and_add+0x12b/0x1a0 [ 614.933969][T10186] ? __pfx_kobject_init_and_add+0x10/0x10 [ 614.933994][T10186] ? __raw_spin_lock_init+0x45/0x100 [ 614.934022][T10186] ? __init_swait_queue_head+0xa9/0x150 [ 614.934053][T10186] gfs2_sys_fs_add+0x257/0x480 [ 614.934080][T10186] ? is_dynamic_key+0x1ac/0x1c0 [ 614.934099][T10186] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 614.934131][T10186] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 614.934165][T10186] gfs2_fill_super+0x141c/0x2220 [ 614.934200][T10186] ? __pfx_gfs2_fill_super+0x10/0x10 [ 614.934217][T10186] ? rt_spin_unlock+0x14f/0x200 [ 614.934246][T10186] ? sb_set_blocksize+0x11b/0x210 [ 614.934266][T10186] ? setup_bdev_super+0x4c1/0x5b0 [ 614.934294][T10186] get_tree_bdev_flags+0x431/0x4f0 [ 614.934321][T10186] ? __pfx_gfs2_fill_super+0x10/0x10 [ 614.934340][T10186] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 614.934365][T10186] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 614.934399][T10186] gfs2_get_tree+0x51/0x1e0 [ 614.934421][T10186] vfs_get_tree+0x92/0x2a0 [ 614.934450][T10186] do_new_mount+0x341/0xd30 [ 614.934470][T10186] ? apparmor_capable+0x126/0x170 [ 614.934495][T10186] ? __pfx_do_new_mount+0x10/0x10 [ 614.934516][T10186] ? ns_capable+0x89/0xe0 [ 614.934545][T10186] ? user_path_at+0xd4/0x160 [ 614.934572][T10186] ? user_path_at+0xd4/0x160 [ 614.934597][T10186] __se_sys_mount+0x31d/0x420 [ 614.934625][T10186] ? __pfx___se_sys_mount+0x10/0x10 [ 614.934658][T10186] ? __x64_sys_mount+0x20/0xc0 [ 614.934679][T10186] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 614.934699][T10186] do_syscall_64+0x15f/0xf80 [ 614.934719][T10186] ? trace_irq_disable+0x3b/0x140 [ 614.934745][T10186] ? clear_bhb_loop+0x40/0x90 [ 614.934767][T10186] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 614.934785][T10186] RIP: 0033:0x7fc7fbf34d1a [ 614.934803][T10186] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 614.934819][T10186] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 614.934839][T10186] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 614.934853][T10186] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 614.934867][T10186] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 614.934878][T10186] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 614.934890][T10186] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 614.934918][T10186] [ 614.951665][T10186] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 614.951688][T10186] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 615.438784][ T9110] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 615.438821][ T9110] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 615.438851][ T9110] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9110 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 615.438891][ T9110] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 615.438918][ T9110] CPU: 1 UID: 0 PID: 9110 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 615.438940][ T9110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 615.438951][ T9110] Call Trace: [ 615.438959][ T9110] [ 615.438968][ T9110] dump_stack_lvl+0xe8/0x150 [ 615.438996][ T9110] gfs2_withdraw+0xc3/0x1b0 [ 615.439018][ T9110] inode_go_instantiate+0xe69/0x12a0 [ 615.439048][ T9110] ? __pfx_inode_go_instantiate+0x10/0x10 [ 615.439067][ T9110] ? rt_spin_unlock+0x160/0x200 [ 615.439104][ T9110] gfs2_instantiate+0x168/0x220 [ 615.439129][ T9110] gfs2_glock_wait+0x1d7/0x2a0 [ 615.439155][ T9110] do_sync+0x49a/0xcb0 [ 615.439180][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 615.439215][ T9110] ? __pfx_do_sync+0x10/0x10 [ 615.439238][ T9110] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 615.439277][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 615.439300][ T9110] ? rt_spin_unlock+0x14f/0x200 [ 615.439329][ T9110] ? rt_spin_unlock+0x160/0x200 [ 615.439357][ T9110] gfs2_quota_sync+0x370/0x470 [ 615.439392][ T9110] gfs2_sync_fs+0x4c/0xb0 [ 615.439416][ T9110] sync_filesystem+0xed/0x250 [ 615.439443][ T9110] generic_shutdown_super+0x77/0x2d0 [ 615.439469][ T9110] kill_block_super+0x44/0x90 [ 615.439494][ T9110] deactivate_locked_super+0xbc/0x130 [ 615.439518][ T9110] cleanup_mnt+0x437/0x4d0 [ 615.439566][ T9110] ? _raw_spin_unlock_irq+0x23/0x50 [ 615.439590][ T9110] task_work_run+0x1d9/0x270 [ 615.439623][ T9110] ? __pfx_task_work_run+0x10/0x10 [ 615.439655][ T9110] exit_to_user_mode_loop+0xed/0x4d0 [ 615.439674][ T9110] ? rcu_is_watching+0x15/0xb0 [ 615.439697][ T9110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 615.439718][ T9110] ? do_syscall_64+0x33e/0xf80 [ 615.439738][ T9110] ? trace_irq_disable+0x3b/0x140 [ 615.439766][ T9110] ? clear_bhb_loop+0x40/0x90 [ 615.439789][ T9110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 615.439825][ T9110] [ 615.461663][ T9110] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 616.149074][T10197] loop1: detected capacity change from 0 to 32768 [ 616.184909][T10197] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 616.184929][T10197] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 616.259968][T10197] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 616.278966][ T822] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 616.278987][ T822] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 616.373650][ T822] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 94ms [ 616.379398][ T822] gfs2: fsid=syz:syz.0: jid=0: Done [ 616.381021][T10197] gfs2: fsid=syz:syz.0: first mount done, others may mount executing program [ 616.495173][T10202] loop0: detected capacity change from 0 to 32768 [ 616.508156][T10202] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 616.508178][T10202] CPU: 0 UID: 0 PID: 10202 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 616.508201][T10202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 616.508213][T10202] Call Trace: [ 616.508222][T10202] [ 616.508230][T10202] dump_stack_lvl+0xe8/0x150 [ 616.508257][T10202] sysfs_create_dir_ns+0x271/0x2a0 [ 616.508280][T10202] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 616.508307][T10202] ? __pfx_sysfs_create_dir_ns+0x10/0x10 executing program [ 616.508332][T10202] ? rt_spin_unlock+0x160/0x200 [ 616.508360][T10202] kobject_add_internal+0x631/0xd10 [ 616.508392][T10202] kobject_init_and_add+0x12b/0x1a0 [ 616.508421][T10202] ? __pfx_kobject_init_and_add+0x10/0x10 [ 616.508444][T10202] ? __raw_spin_lock_init+0x45/0x100 [ 616.508470][T10202] ? __init_swait_queue_head+0xa9/0x150 [ 616.508500][T10202] gfs2_sys_fs_add+0x257/0x480 [ 616.508523][T10202] ? is_dynamic_key+0x1ac/0x1c0 [ 616.508542][T10202] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 616.508572][T10202] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 616.508605][T10202] gfs2_fill_super+0x141c/0x2220 [ 616.508641][T10202] ? __pfx_gfs2_fill_super+0x10/0x10 [ 616.508660][T10202] ? rt_spin_unlock+0x14f/0x200 [ 616.508694][T10202] ? sb_set_blocksize+0x11b/0x210 [ 616.508723][T10202] ? setup_bdev_super+0x4c1/0x5b0 [ 616.508750][T10202] get_tree_bdev_flags+0x431/0x4f0 [ 616.508777][T10202] ? __pfx_gfs2_fill_super+0x10/0x10 [ 616.508797][T10202] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 616.508822][T10202] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 616.508859][T10202] gfs2_get_tree+0x51/0x1e0 [ 616.508883][T10202] vfs_get_tree+0x92/0x2a0 [ 616.508913][T10202] do_new_mount+0x341/0xd30 [ 616.508933][T10202] ? apparmor_capable+0x126/0x170 [ 616.508960][T10202] ? __pfx_do_new_mount+0x10/0x10 [ 616.508981][T10202] ? ns_capable+0x89/0xe0 [ 616.509011][T10202] ? user_path_at+0xd4/0x160 [ 616.509040][T10202] ? user_path_at+0xd4/0x160 [ 616.509066][T10202] __se_sys_mount+0x31d/0x420 [ 616.509095][T10202] ? __pfx___se_sys_mount+0x10/0x10 [ 616.509123][T10202] ? __x64_sys_mount+0x20/0xc0 [ 616.509144][T10202] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 616.509166][T10202] do_syscall_64+0x15f/0xf80 [ 616.509186][T10202] ? trace_irq_disable+0x3b/0x140 [ 616.509213][T10202] ? clear_bhb_loop+0x40/0x90 [ 616.509237][T10202] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 616.509256][T10202] RIP: 0033:0x7fc7fbf34d1a [ 616.509275][T10202] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 616.509291][T10202] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 616.509311][T10202] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 616.509324][T10202] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 616.509338][T10202] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 616.509351][T10202] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 616.509363][T10202] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 616.509392][T10202] [ 616.520504][T10202] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 616.520527][T10202] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 617.020350][T10197] gfs2: fsid=syz:syz.0: found 1 quota changes [ 617.026939][T10210] loop2: detected capacity change from 0 to 32768 [ 617.049151][T10197] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 617.075133][T10210] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 617.075155][T10210] CPU: 0 UID: 0 PID: 10210 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 617.075177][T10210] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 617.075189][T10210] Call Trace: [ 617.075196][T10210] [ 617.075205][T10210] dump_stack_lvl+0xe8/0x150 [ 617.075234][T10210] sysfs_create_dir_ns+0x271/0x2a0 [ 617.075259][T10210] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 617.075286][T10210] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 617.075311][T10210] ? rt_spin_unlock+0x160/0x200 [ 617.075336][T10210] kobject_add_internal+0x631/0xd10 [ 617.075367][T10210] kobject_init_and_add+0x12b/0x1a0 [ 617.075395][T10210] ? __pfx_kobject_init_and_add+0x10/0x10 [ 617.075419][T10210] ? __raw_spin_lock_init+0x45/0x100 [ 617.075446][T10210] ? __init_swait_queue_head+0xa9/0x150 [ 617.075484][T10210] gfs2_sys_fs_add+0x257/0x480 [ 617.075506][T10210] ? is_dynamic_key+0x1ac/0x1c0 [ 617.075524][T10210] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 617.075554][T10210] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 617.075586][T10210] gfs2_fill_super+0x141c/0x2220 [ 617.075620][T10210] ? __pfx_gfs2_fill_super+0x10/0x10 [ 617.075637][T10210] ? rt_spin_unlock+0x14f/0x200 [ 617.075665][T10210] ? sb_set_blocksize+0x11b/0x210 [ 617.075687][T10210] ? setup_bdev_super+0x4c1/0x5b0 [ 617.075716][T10210] get_tree_bdev_flags+0x431/0x4f0 [ 617.075743][T10210] ? __pfx_gfs2_fill_super+0x10/0x10 [ 617.075762][T10210] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 617.075787][T10210] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 617.075823][T10210] gfs2_get_tree+0x51/0x1e0 [ 617.075846][T10210] vfs_get_tree+0x92/0x2a0 [ 617.075875][T10210] do_new_mount+0x341/0xd30 [ 617.075894][T10210] ? apparmor_capable+0x126/0x170 [ 617.075923][T10210] ? __pfx_do_new_mount+0x10/0x10 [ 617.075944][T10210] ? ns_capable+0x89/0xe0 [ 617.075973][T10210] ? user_path_at+0xd4/0x160 [ 617.076001][T10210] ? user_path_at+0xd4/0x160 [ 617.076024][T10210] __se_sys_mount+0x31d/0x420 [ 617.076051][T10210] ? __pfx___se_sys_mount+0x10/0x10 [ 617.076078][T10210] ? __x64_sys_mount+0x20/0xc0 [ 617.076099][T10210] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 617.076120][T10210] do_syscall_64+0x15f/0xf80 [ 617.076141][T10210] ? trace_irq_disable+0x3b/0x140 [ 617.076168][T10210] ? clear_bhb_loop+0x40/0x90 [ 617.076191][T10210] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 617.076210][T10210] RIP: 0033:0x7fc7fbf34d1a [ 617.076229][T10210] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 617.076245][T10210] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 617.076266][T10210] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 617.076279][T10210] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 617.076293][T10210] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 617.076306][T10210] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 617.076318][T10210] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 617.076347][T10210] [ 617.076545][T10210] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 617.076561][T10210] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 617.165367][ T9107] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 617.165403][ T9107] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 617.165432][ T9107] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9107 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 617.165471][ T9107] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 617.165499][ T9107] CPU: 1 UID: 0 PID: 9107 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 617.165520][ T9107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 617.165531][ T9107] Call Trace: [ 617.165539][ T9107] [ 617.165547][ T9107] dump_stack_lvl+0xe8/0x150 [ 617.165574][ T9107] gfs2_withdraw+0xc3/0x1b0 [ 617.165595][ T9107] inode_go_instantiate+0xe69/0x12a0 [ 617.165621][ T9107] ? __pfx_bit_wait+0x10/0x10 [ 617.165643][ T9107] ? __pfx_inode_go_instantiate+0x10/0x10 [ 617.165660][ T9107] ? rt_spin_unlock+0x160/0x200 [ 617.165686][ T9107] ? __pfx_wake_bit_function+0x10/0x10 [ 617.165727][ T9107] gfs2_instantiate+0x168/0x220 [ 617.165751][ T9107] gfs2_glock_wait+0x1d7/0x2a0 [ 617.165773][ T9107] do_sync+0x49a/0xcb0 [ 617.165798][ T9107] ? gfs2_quota_sync+0x370/0x470 [ 617.165832][ T9107] ? __pfx_do_sync+0x10/0x10 [ 617.165853][ T9107] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 617.165887][ T9107] ? gfs2_quota_sync+0x370/0x470 [ 617.165910][ T9107] ? rt_spin_unlock+0x14f/0x200 [ 617.165938][ T9107] ? rt_spin_unlock+0x160/0x200 [ 617.165965][ T9107] gfs2_quota_sync+0x370/0x470 [ 617.165999][ T9107] gfs2_sync_fs+0x4c/0xb0 [ 617.166023][ T9107] sync_filesystem+0xed/0x250 [ 617.166052][ T9107] generic_shutdown_super+0x77/0x2d0 [ 617.166079][ T9107] kill_block_super+0x44/0x90 [ 617.166107][ T9107] deactivate_locked_super+0xbc/0x130 [ 617.166132][ T9107] cleanup_mnt+0x437/0x4d0 [ 617.166157][ T9107] ? _raw_spin_unlock_irq+0x23/0x50 [ 617.166180][ T9107] task_work_run+0x1d9/0x270 [ 617.166204][ T9107] ? __pfx_task_work_run+0x10/0x10 [ 617.166235][ T9107] exit_to_user_mode_loop+0xed/0x4d0 [ 617.166252][ T9107] ? rcu_is_watching+0x15/0xb0 [ 617.166276][ T9107] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 617.166296][ T9107] ? do_syscall_64+0x33e/0xf80 [ 617.166315][ T9107] ? trace_irq_disable+0x3b/0x140 [ 617.166342][ T9107] ? clear_bhb_loop+0x40/0x90 [ 617.166372][ T9107] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 617.166406][ T9107] [ 617.166424][ T9107] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 617.464179][T10212] loop4: detected capacity change from 0 to 32768 [ 617.614132][T10212] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 617.614155][T10212] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 617.746931][T10212] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 617.812419][ T822] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 617.812439][ T822] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... executing program [ 618.038562][ T822] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 226ms [ 618.042259][ T822] gfs2: fsid=syz:syz.0: jid=0: Done [ 618.042563][T10212] gfs2: fsid=syz:syz.0: first mount done, others may mount the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed executing program [ 618.291131][T10212] gfs2: fsid=syz:syz.0: found 1 quota changes [ 618.311082][T10212] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 618.359133][ T9109] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 618.359167][ T9109] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 618.359191][ T9109] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9109 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 618.359227][ T9109] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 618.359258][ T9109] CPU: 0 UID: 0 PID: 9109 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 618.359276][ T9109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 618.359310][ T9109] Call Trace: [ 618.359317][ T9109] [ 618.359324][ T9109] dump_stack_lvl+0xe8/0x150 [ 618.359348][ T9109] gfs2_withdraw+0xc3/0x1b0 [ 618.359373][ T9109] inode_go_instantiate+0xe69/0x12a0 [ 618.359398][ T9109] ? __pfx_inode_go_instantiate+0x10/0x10 [ 618.359413][ T9109] ? rt_spin_unlock+0x160/0x200 [ 618.359444][ T9109] gfs2_instantiate+0x168/0x220 [ 618.359465][ T9109] gfs2_glock_wait+0x1d7/0x2a0 [ 618.359485][ T9109] do_sync+0x49a/0xcb0 [ 618.359506][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 618.359535][ T9109] ? __pfx_do_sync+0x10/0x10 [ 618.359554][ T9109] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 618.359583][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 618.359602][ T9109] ? rt_spin_unlock+0x14f/0x200 [ 618.359627][ T9109] ? rt_spin_unlock+0x160/0x200 [ 618.359650][ T9109] gfs2_quota_sync+0x370/0x470 [ 618.359679][ T9109] gfs2_sync_fs+0x4c/0xb0 [ 618.359700][ T9109] sync_filesystem+0xed/0x250 [ 618.359725][ T9109] generic_shutdown_super+0x77/0x2d0 [ 618.359748][ T9109] kill_block_super+0x44/0x90 [ 618.359772][ T9109] deactivate_locked_super+0xbc/0x130 [ 618.359794][ T9109] cleanup_mnt+0x437/0x4d0 [ 618.359815][ T9109] ? _raw_spin_unlock_irq+0x23/0x50 [ 618.359836][ T9109] task_work_run+0x1d9/0x270 [ 618.359857][ T9109] ? __pfx_task_work_run+0x10/0x10 [ 618.359884][ T9109] exit_to_user_mode_loop+0xed/0x4d0 [ 618.359900][ T9109] ? rcu_is_watching+0x15/0xb0 [ 618.359920][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 618.359937][ T9109] ? do_syscall_64+0x33e/0xf80 [ 618.359954][ T9109] ? trace_irq_disable+0x3b/0x140 [ 618.359977][ T9109] ? clear_bhb_loop+0x40/0x90 [ 618.359997][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 618.360026][ T9109] [ 618.360034][ T9109] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 618.793042][T10222] loop0: detected capacity change from 0 to 32768 [ 618.807150][T10222] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 618.807169][T10222] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 618.838909][T10222] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 618.879210][ T5746] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 618.879255][ T5746] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 619.050546][T10218] loop3: detected capacity change from 0 to 32768 [ 619.069548][T10218] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 619.069570][T10218] CPU: 1 UID: 0 PID: 10218 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 619.069593][T10218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 619.069604][T10218] Call Trace: [ 619.069611][T10218] [ 619.069619][T10218] dump_stack_lvl+0xe8/0x150 [ 619.069649][T10218] sysfs_create_dir_ns+0x271/0x2a0 [ 619.069674][T10218] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 619.069700][T10218] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 619.069726][T10218] ? rt_spin_unlock+0x160/0x200 [ 619.069753][T10218] kobject_add_internal+0x631/0xd10 [ 619.069785][T10218] kobject_init_and_add+0x12b/0x1a0 [ 619.069816][T10218] ? __pfx_kobject_init_and_add+0x10/0x10 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 619.069843][T10218] ? __raw_spin_lock_init+0x45/0x100 [ 619.069871][T10218] ? __init_swait_queue_head+0xa9/0x150 [ 619.069901][T10218] gfs2_sys_fs_add+0x257/0x480 [ 619.069926][T10218] ? is_dynamic_key+0x1ac/0x1c0 [ 619.069945][T10218] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 619.069977][T10218] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 619.070013][T10218] gfs2_fill_super+0x141c/0x2220 [ 619.070047][T10218] ? __pfx_gfs2_fill_super+0x10/0x10 [ 619.070069][T10218] ? rt_spin_unlock+0x14f/0x200 [ 619.070097][T10218] ? sb_set_blocksize+0x11b/0x210 [ 619.070118][T10218] ? setup_bdev_super+0x4c1/0x5b0 [ 619.070149][T10218] get_tree_bdev_flags+0x431/0x4f0 [ 619.070178][T10218] ? __pfx_gfs2_fill_super+0x10/0x10 [ 619.070197][T10218] ? __pfx_get_tree_bdev_flags+0x10/0x10 executing program [ 619.070222][T10218] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 619.070258][T10218] gfs2_get_tree+0x51/0x1e0 [ 619.070281][T10218] vfs_get_tree+0x92/0x2a0 [ 619.070309][T10218] do_new_mount+0x341/0xd30 [ 619.070330][T10218] ? apparmor_capable+0x126/0x170 [ 619.070358][T10218] ? __pfx_do_new_mount+0x10/0x10 [ 619.070379][T10218] ? ns_capable+0x89/0xe0 [ 619.070407][T10218] ? user_path_at+0xd4/0x160 [ 619.070434][T10218] ? user_path_at+0xd4/0x160 [ 619.070460][T10218] __se_sys_mount+0x31d/0x420 [ 619.070495][T10218] ? __pfx___se_sys_mount+0x10/0x10 [ 619.070523][T10218] ? __x64_sys_mount+0x20/0xc0 [ 619.070545][T10218] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 619.070564][T10218] do_syscall_64+0x15f/0xf80 [ 619.070585][T10218] ? trace_irq_disable+0x3b/0x140 [ 619.070612][T10218] ? clear_bhb_loop+0x40/0x90 [ 619.070636][T10218] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 619.070655][T10218] RIP: 0033:0x7fc7fbf34d1a [ 619.070673][T10218] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 619.070689][T10218] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 619.070711][T10218] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 619.070725][T10218] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 619.070738][T10218] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 619.070751][T10218] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 619.070764][T10218] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 619.070794][T10218] [ 619.084634][T10218] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 619.084657][T10218] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 619.176574][ T5746] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 297ms [ 619.176787][ T5746] gfs2: fsid=syz:syz.0: jid=0: Done [ 619.176892][T10222] gfs2: fsid=syz:syz.0: first mount done, others may mount executing program the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 619.578138][T10222] gfs2: fsid=syz:syz.0: found 1 quota changes [ 619.597954][T10222] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 619.683701][T10228] loop2: detected capacity change from 0 to 32768 [ 619.730026][ T9102] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 619.730060][ T9102] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 619.730089][ T9102] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9102 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 619.730138][ T9102] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 619.730164][ T9102] CPU: 0 UID: 0 PID: 9102 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 619.730192][ T9102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 619.730204][ T9102] Call Trace: [ 619.730211][ T9102] [ 619.730220][ T9102] dump_stack_lvl+0xe8/0x150 [ 619.730246][ T9102] gfs2_withdraw+0xc3/0x1b0 [ 619.730267][ T9102] inode_go_instantiate+0xe69/0x12a0 [ 619.730292][ T9102] ? __pfx_bit_wait+0x10/0x10 [ 619.730310][ T9102] ? __pfx_inode_go_instantiate+0x10/0x10 [ 619.730327][ T9102] ? rt_spin_unlock+0x160/0x200 [ 619.730354][ T9102] ? __pfx_wake_bit_function+0x10/0x10 [ 619.730387][ T9102] gfs2_instantiate+0x168/0x220 [ 619.730424][ T9102] gfs2_glock_wait+0x1d7/0x2a0 [ 619.730448][ T9102] do_sync+0x49a/0xcb0 [ 619.730474][ T9102] ? gfs2_quota_sync+0x370/0x470 [ 619.730508][ T9102] ? __pfx_do_sync+0x10/0x10 [ 619.730530][ T9102] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 619.730565][ T9102] ? gfs2_quota_sync+0x370/0x470 [ 619.730590][ T9102] ? rt_spin_unlock+0x14f/0x200 [ 619.730619][ T9102] ? rt_spin_unlock+0x160/0x200 [ 619.730647][ T9102] gfs2_quota_sync+0x370/0x470 [ 619.730681][ T9102] gfs2_sync_fs+0x4c/0xb0 [ 619.730706][ T9102] sync_filesystem+0xed/0x250 [ 619.730736][ T9102] generic_shutdown_super+0x77/0x2d0 [ 619.730765][ T9102] kill_block_super+0x44/0x90 [ 619.730791][ T9102] deactivate_locked_super+0xbc/0x130 [ 619.730818][ T9102] cleanup_mnt+0x437/0x4d0 [ 619.730844][ T9102] ? _raw_spin_unlock_irq+0x23/0x50 [ 619.730869][ T9102] task_work_run+0x1d9/0x270 [ 619.730894][ T9102] ? __pfx_task_work_run+0x10/0x10 [ 619.730927][ T9102] exit_to_user_mode_loop+0xed/0x4d0 [ 619.730945][ T9102] ? rcu_is_watching+0x15/0xb0 [ 619.730969][ T9102] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 619.730990][ T9102] ? do_syscall_64+0x33e/0xf80 [ 619.731010][ T9102] ? trace_irq_disable+0x3b/0x140 [ 619.731036][ T9102] ? clear_bhb_loop+0x40/0x90 [ 619.731060][ T9102] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 619.731096][ T9102] [ 619.731104][ T9102] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 619.735046][T10228] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 619.735070][T10228] CPU: 0 UID: 0 PID: 10228 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 619.735092][T10228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 619.735103][T10228] Call Trace: [ 619.735111][T10228] [ 619.735120][T10228] dump_stack_lvl+0xe8/0x150 [ 619.735150][T10228] sysfs_create_dir_ns+0x271/0x2a0 [ 619.735174][T10228] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 619.735211][T10228] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 619.735238][T10228] ? rt_spin_unlock+0x160/0x200 [ 619.735264][T10228] kobject_add_internal+0x631/0xd10 [ 619.735298][T10228] kobject_init_and_add+0x12b/0x1a0 [ 619.735329][T10228] ? __pfx_kobject_init_and_add+0x10/0x10 [ 619.735355][T10228] ? __raw_spin_lock_init+0x45/0x100 [ 619.735384][T10228] ? __init_swait_queue_head+0xa9/0x150 [ 619.735415][T10228] gfs2_sys_fs_add+0x257/0x480 [ 619.735439][T10228] ? is_dynamic_key+0x1ac/0x1c0 [ 619.735459][T10228] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 619.735493][T10228] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 619.735532][T10228] gfs2_fill_super+0x141c/0x2220 [ 619.735568][T10228] ? __pfx_gfs2_fill_super+0x10/0x10 [ 619.735587][T10228] ? rt_spin_unlock+0x14f/0x200 [ 619.735616][T10228] ? sb_set_blocksize+0x11b/0x210 [ 619.735637][T10228] ? setup_bdev_super+0x4c1/0x5b0 [ 619.735668][T10228] get_tree_bdev_flags+0x431/0x4f0 [ 619.735696][T10228] ? __pfx_gfs2_fill_super+0x10/0x10 [ 619.735716][T10228] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 619.735741][T10228] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 619.735781][T10228] gfs2_get_tree+0x51/0x1e0 [ 619.735805][T10228] vfs_get_tree+0x92/0x2a0 [ 619.735834][T10228] do_new_mount+0x341/0xd30 [ 619.735855][T10228] ? apparmor_capable+0x126/0x170 [ 619.735881][T10228] ? __pfx_do_new_mount+0x10/0x10 [ 619.735901][T10228] ? ns_capable+0x89/0xe0 [ 619.735929][T10228] ? user_path_at+0xd4/0x160 [ 619.735956][T10228] ? user_path_at+0xd4/0x160 [ 619.735980][T10228] __se_sys_mount+0x31d/0x420 [ 619.736007][T10228] ? __pfx___se_sys_mount+0x10/0x10 [ 619.736036][T10228] ? __x64_sys_mount+0x20/0xc0 [ 619.736058][T10228] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 619.736079][T10228] do_syscall_64+0x15f/0xf80 [ 619.736098][T10228] ? trace_irq_disable+0x3b/0x140 [ 619.736124][T10228] ? clear_bhb_loop+0x40/0x90 [ 619.736148][T10228] entry_SYSCALL_64_after_hwframe+0x77/0x7f the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 619.736167][T10228] RIP: 0033:0x7fc7fbf34d1a [ 619.736191][T10228] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 619.736208][T10228] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 619.736228][T10228] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 619.736243][T10228] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 619.736257][T10228] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 619.736269][T10228] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 619.736282][T10228] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 619.736310][T10228] [ 619.736352][T10228] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 619.736372][T10228] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 620.473396][T10232] loop1: detected capacity change from 0 to 32768 [ 620.510011][T10232] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 620.510031][T10232] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 620.681003][T10232] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 620.704685][ T7355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 620.704706][ T7355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 620.884614][ T7355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 179ms [ 620.887912][ T7355] gfs2: fsid=syz:syz.0: jid=0: Done [ 620.887960][T10232] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 620.989317][T10240] loop3: detected capacity change from 0 to 32768 [ 621.020133][T10240] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 621.020155][T10240] CPU: 0 UID: 0 PID: 10240 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 621.020179][T10240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 621.020191][T10240] Call Trace: [ 621.020199][T10240] [ 621.020207][T10240] dump_stack_lvl+0xe8/0x150 [ 621.020237][T10240] sysfs_create_dir_ns+0x271/0x2a0 [ 621.020262][T10240] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 621.020291][T10240] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 621.020324][T10240] ? rt_spin_unlock+0x160/0x200 [ 621.020351][T10240] kobject_add_internal+0x631/0xd10 [ 621.020385][T10240] kobject_init_and_add+0x12b/0x1a0 [ 621.020415][T10240] ? __pfx_kobject_init_and_add+0x10/0x10 [ 621.020441][T10240] ? __raw_spin_lock_init+0x45/0x100 [ 621.020470][T10240] ? __init_swait_queue_head+0xa9/0x150 [ 621.020501][T10240] gfs2_sys_fs_add+0x257/0x480 [ 621.020526][T10240] ? is_dynamic_key+0x1ac/0x1c0 [ 621.020545][T10240] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 621.020579][T10240] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 621.020610][T10240] gfs2_fill_super+0x141c/0x2220 [ 621.020642][T10240] ? __pfx_gfs2_fill_super+0x10/0x10 [ 621.020659][T10240] ? rt_spin_unlock+0x14f/0x200 [ 621.020685][T10240] ? sb_set_blocksize+0x11b/0x210 [ 621.020704][T10240] ? setup_bdev_super+0x4c1/0x5b0 [ 621.020734][T10240] get_tree_bdev_flags+0x431/0x4f0 [ 621.020762][T10240] ? __pfx_gfs2_fill_super+0x10/0x10 [ 621.020781][T10240] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 621.020806][T10240] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 621.020843][T10240] gfs2_get_tree+0x51/0x1e0 [ 621.020867][T10240] vfs_get_tree+0x92/0x2a0 [ 621.020896][T10240] do_new_mount+0x341/0xd30 [ 621.020917][T10240] ? apparmor_capable+0x126/0x170 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 621.020944][T10240] ? __pfx_do_new_mount+0x10/0x10 [ 621.020967][T10240] ? ns_capable+0x89/0xe0 [ 621.020996][T10240] ? user_path_at+0xd4/0x160 [ 621.021024][T10240] ? user_path_at+0xd4/0x160 [ 621.021051][T10240] __se_sys_mount+0x31d/0x420 [ 621.021079][T10240] ? __pfx___se_sys_mount+0x10/0x10 [ 621.021108][T10240] ? __x64_sys_mount+0x20/0xc0 [ 621.021130][T10240] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 621.021152][T10240] do_syscall_64+0x15f/0xf80 [ 621.021175][T10240] ? trace_irq_disable+0x3b/0x140 [ 621.021201][T10240] ? clear_bhb_loop+0x40/0x90 [ 621.021225][T10240] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 621.021243][T10240] RIP: 0033:0x7fc7fbf34d1a [ 621.021262][T10240] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 621.021278][T10240] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 executing program [ 621.021299][T10240] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 621.021319][T10240] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 621.021334][T10240] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 621.021346][T10240] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 621.021359][T10240] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 621.021390][T10240] executing program [ 621.123283][T10240] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 621.123306][T10240] gfs2: fsid=syz:syz: error -17 adding sysfs files the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 621.560600][T10232] gfs2: fsid=syz:syz.0: found 1 quota changes [ 621.581812][T10232] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 621.630826][T10242] loop4: detected capacity change from 0 to 32768 [ 621.655709][T10242] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 621.655732][T10242] CPU: 1 UID: 0 PID: 10242 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 621.655754][T10242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 621.655766][T10242] Call Trace: [ 621.655774][T10242] [ 621.655782][T10242] dump_stack_lvl+0xe8/0x150 [ 621.655811][T10242] sysfs_create_dir_ns+0x271/0x2a0 [ 621.655836][T10242] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 621.655862][T10242] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 621.655887][T10242] ? rt_spin_unlock+0x160/0x200 [ 621.655913][T10242] kobject_add_internal+0x631/0xd10 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 621.655947][T10242] kobject_init_and_add+0x12b/0x1a0 [ 621.655975][T10242] ? __pfx_kobject_init_and_add+0x10/0x10 [ 621.656000][T10242] ? __raw_spin_lock_init+0x45/0x100 [ 621.656028][T10242] ? __init_swait_queue_head+0xa9/0x150 [ 621.656057][T10242] gfs2_sys_fs_add+0x257/0x480 [ 621.656080][T10242] ? is_dynamic_key+0x1ac/0x1c0 [ 621.656100][T10242] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 621.656133][T10242] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 621.656164][T10242] gfs2_fill_super+0x141c/0x2220 [ 621.656198][T10242] ? __pfx_gfs2_fill_super+0x10/0x10 [ 621.656217][T10242] ? rt_spin_unlock+0x14f/0x200 [ 621.656246][T10242] ? sb_set_blocksize+0x11b/0x210 [ 621.656267][T10242] ? setup_bdev_super+0x4c1/0x5b0 [ 621.656298][T10242] get_tree_bdev_flags+0x431/0x4f0 [ 621.656332][T10242] ? __pfx_gfs2_fill_super+0x10/0x10 [ 621.656352][T10242] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 621.656377][T10242] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 621.656414][T10242] gfs2_get_tree+0x51/0x1e0 [ 621.656437][T10242] vfs_get_tree+0x92/0x2a0 [ 621.656466][T10242] do_new_mount+0x341/0xd30 [ 621.656488][T10242] ? apparmor_capable+0x126/0x170 [ 621.656515][T10242] ? __pfx_do_new_mount+0x10/0x10 [ 621.656536][T10242] ? ns_capable+0x89/0xe0 [ 621.656566][T10242] ? user_path_at+0xd4/0x160 [ 621.656594][T10242] ? user_path_at+0xd4/0x160 [ 621.656621][T10242] __se_sys_mount+0x31d/0x420 [ 621.656649][T10242] ? __pfx___se_sys_mount+0x10/0x10 [ 621.656677][T10242] ? __x64_sys_mount+0x20/0xc0 [ 621.656699][T10242] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 621.656720][T10242] do_syscall_64+0x15f/0xf80 [ 621.656740][T10242] ? trace_irq_disable+0x3b/0x140 [ 621.656767][T10242] ? clear_bhb_loop+0x40/0x90 [ 621.656790][T10242] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 621.656809][T10242] RIP: 0033:0x7fc7fbf34d1a [ 621.656827][T10242] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 621.656843][T10242] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 621.656863][T10242] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 621.656877][T10242] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 621.656890][T10242] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 621.656902][T10242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 executing program [ 621.656915][T10242] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 621.656945][T10242] [ 621.656971][T10242] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 621.656987][T10242] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 621.727397][ T9107] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 621.727437][ T9107] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 621.727466][ T9107] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9107 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 621.727507][ T9107] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 621.727536][ T9107] CPU: 1 UID: 0 PID: 9107 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 621.727557][ T9107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 621.727567][ T9107] Call Trace: [ 621.727576][ T9107] [ 621.727584][ T9107] dump_stack_lvl+0xe8/0x150 [ 621.727610][ T9107] gfs2_withdraw+0xc3/0x1b0 [ 621.727632][ T9107] inode_go_instantiate+0xe69/0x12a0 [ 621.727659][ T9107] ? __pfx_bit_wait+0x10/0x10 [ 621.727680][ T9107] ? __pfx_inode_go_instantiate+0x10/0x10 [ 621.727697][ T9107] ? rt_spin_unlock+0x160/0x200 [ 621.727723][ T9107] ? __pfx_wake_bit_function+0x10/0x10 [ 621.727753][ T9107] gfs2_instantiate+0x168/0x220 [ 621.727780][ T9107] gfs2_glock_wait+0x1d7/0x2a0 [ 621.727800][ T9107] do_sync+0x49a/0xcb0 [ 621.727822][ T9107] ? gfs2_quota_sync+0x370/0x470 [ 621.727853][ T9107] ? __pfx_do_sync+0x10/0x10 [ 621.727875][ T9107] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 621.727908][ T9107] ? gfs2_quota_sync+0x370/0x470 [ 621.727931][ T9107] ? rt_spin_unlock+0x14f/0x200 [ 621.727960][ T9107] ? rt_spin_unlock+0x160/0x200 [ 621.727986][ T9107] gfs2_quota_sync+0x370/0x470 [ 621.728019][ T9107] gfs2_sync_fs+0x4c/0xb0 [ 621.728044][ T9107] sync_filesystem+0xed/0x250 [ 621.728073][ T9107] generic_shutdown_super+0x77/0x2d0 [ 621.728101][ T9107] kill_block_super+0x44/0x90 [ 621.728129][ T9107] deactivate_locked_super+0xbc/0x130 [ 621.728154][ T9107] cleanup_mnt+0x437/0x4d0 [ 621.728180][ T9107] ? _raw_spin_unlock_irq+0x23/0x50 [ 621.728203][ T9107] task_work_run+0x1d9/0x270 [ 621.728228][ T9107] ? __pfx_task_work_run+0x10/0x10 [ 621.728266][ T9107] exit_to_user_mode_loop+0xed/0x4d0 [ 621.728285][ T9107] ? rcu_is_watching+0x15/0xb0 [ 621.728308][ T9107] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 621.728329][ T9107] ? do_syscall_64+0x33e/0xf80 [ 621.728348][ T9107] ? trace_irq_disable+0x3b/0x140 [ 621.728375][ T9107] ? clear_bhb_loop+0x40/0x90 [ 621.728398][ T9107] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 621.728432][ T9107] [ 621.728450][ T9107] gfs2: fsid=syz:syz.0: about to withdraw this file system executing program [ 622.750788][T10246] loop2: detected capacity change from 0 to 32768 [ 622.792235][T10246] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 622.792255][T10246] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 622.869199][T10246] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 622.908556][ T822] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 622.908578][ T822] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 623.110682][ T822] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 202ms [ 623.110925][ T822] gfs2: fsid=syz:syz.0: jid=0: Done [ 623.113041][T10246] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 623.300625][T10254] loop3: detected capacity change from 0 to 32768 [ 623.314445][T10254] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 623.314468][T10254] CPU: 1 UID: 0 PID: 10254 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 623.314491][T10254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 623.314503][T10254] Call Trace: [ 623.314511][T10254] [ 623.314520][T10254] dump_stack_lvl+0xe8/0x150 [ 623.314551][T10254] sysfs_create_dir_ns+0x271/0x2a0 [ 623.314576][T10254] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 623.314604][T10254] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 623.314630][T10254] ? rt_spin_unlock+0x160/0x200 [ 623.314658][T10254] kobject_add_internal+0x631/0xd10 [ 623.314691][T10254] kobject_init_and_add+0x12b/0x1a0 [ 623.314721][T10254] ? __pfx_kobject_init_and_add+0x10/0x10 executing program [ 623.314747][T10254] ? __raw_spin_lock_init+0x45/0x100 [ 623.314776][T10254] ? __init_swait_queue_head+0xa9/0x150 [ 623.314807][T10254] gfs2_sys_fs_add+0x257/0x480 [ 623.314831][T10254] ? is_dynamic_key+0x1ac/0x1c0 [ 623.314851][T10254] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 623.314885][T10254] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 623.314928][T10254] gfs2_fill_super+0x141c/0x2220 [ 623.314962][T10254] ? __pfx_gfs2_fill_super+0x10/0x10 [ 623.314980][T10254] ? rt_spin_unlock+0x14f/0x200 [ 623.315009][T10254] ? sb_set_blocksize+0x11b/0x210 [ 623.315031][T10254] ? setup_bdev_super+0x4c1/0x5b0 [ 623.315061][T10254] get_tree_bdev_flags+0x431/0x4f0 [ 623.315089][T10254] ? __pfx_gfs2_fill_super+0x10/0x10 [ 623.315109][T10254] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 623.315134][T10254] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 623.315170][T10254] gfs2_get_tree+0x51/0x1e0 [ 623.315193][T10254] vfs_get_tree+0x92/0x2a0 [ 623.315222][T10254] do_new_mount+0x341/0xd30 [ 623.315243][T10254] ? apparmor_capable+0x126/0x170 [ 623.315271][T10254] ? __pfx_do_new_mount+0x10/0x10 [ 623.315292][T10254] ? ns_capable+0x89/0xe0 [ 623.315319][T10254] ? user_path_at+0xd4/0x160 [ 623.315345][T10254] ? user_path_at+0xd4/0x160 [ 623.315370][T10254] __se_sys_mount+0x31d/0x420 [ 623.315402][T10254] ? __pfx___se_sys_mount+0x10/0x10 [ 623.315431][T10254] ? __x64_sys_mount+0x20/0xc0 [ 623.315453][T10254] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 623.315474][T10254] do_syscall_64+0x15f/0xf80 [ 623.315494][T10254] ? trace_irq_disable+0x3b/0x140 [ 623.315522][T10254] ? clear_bhb_loop+0x40/0x90 [ 623.315545][T10254] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 623.315563][T10254] RIP: 0033:0x7fc7fbf34d1a [ 623.315583][T10254] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 623.315599][T10254] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 623.315620][T10254] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 623.315634][T10254] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 623.315647][T10254] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 623.315661][T10254] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 623.315673][T10254] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 623.315704][T10254] [ 623.325972][T10254] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 623.325994][T10254] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 623.546094][T10256] loop0: detected capacity change from 0 to 32768 [ 623.614987][T10246] gfs2: fsid=syz:syz.0: found 1 quota changes [ 623.647421][T10246] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 623.658915][T10256] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 623.658939][T10256] CPU: 1 UID: 0 PID: 10256 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 623.658962][T10256] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 623.658973][T10256] Call Trace: [ 623.658981][T10256] [ 623.658989][T10256] dump_stack_lvl+0xe8/0x150 [ 623.659020][T10256] sysfs_create_dir_ns+0x271/0x2a0 [ 623.659044][T10256] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 623.659072][T10256] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 623.659099][T10256] ? rt_spin_unlock+0x160/0x200 [ 623.659126][T10256] kobject_add_internal+0x631/0xd10 [ 623.659158][T10256] kobject_init_and_add+0x12b/0x1a0 [ 623.659187][T10256] ? __pfx_kobject_init_and_add+0x10/0x10 [ 623.659212][T10256] ? __raw_spin_lock_init+0x45/0x100 [ 623.659241][T10256] ? __init_swait_queue_head+0xa9/0x150 [ 623.659270][T10256] gfs2_sys_fs_add+0x257/0x480 [ 623.659294][T10256] ? is_dynamic_key+0x1ac/0x1c0 [ 623.659314][T10256] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 623.659345][T10256] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 623.659378][T10256] gfs2_fill_super+0x141c/0x2220 [ 623.659412][T10256] ? __pfx_gfs2_fill_super+0x10/0x10 executing program [ 623.659430][T10256] ? rt_spin_unlock+0x14f/0x200 [ 623.659458][T10256] ? sb_set_blocksize+0x11b/0x210 [ 623.659479][T10256] ? setup_bdev_super+0x4c1/0x5b0 [ 623.659509][T10256] get_tree_bdev_flags+0x431/0x4f0 [ 623.659535][T10256] ? __pfx_gfs2_fill_super+0x10/0x10 [ 623.659554][T10256] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 623.659578][T10256] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 623.659614][T10256] gfs2_get_tree+0x51/0x1e0 [ 623.659636][T10256] vfs_get_tree+0x92/0x2a0 [ 623.659664][T10256] do_new_mount+0x341/0xd30 [ 623.659683][T10256] ? apparmor_capable+0x126/0x170 [ 623.659710][T10256] ? __pfx_do_new_mount+0x10/0x10 [ 623.659732][T10256] ? ns_capable+0x89/0xe0 [ 623.659758][T10256] ? user_path_at+0xd4/0x160 [ 623.659781][T10256] ? user_path_at+0xd4/0x160 [ 623.659804][T10256] __se_sys_mount+0x31d/0x420 [ 623.659831][T10256] ? __pfx___se_sys_mount+0x10/0x10 [ 623.659865][T10256] ? __x64_sys_mount+0x20/0xc0 [ 623.659886][T10256] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 623.659905][T10256] do_syscall_64+0x15f/0xf80 [ 623.659925][T10256] ? trace_irq_disable+0x3b/0x140 [ 623.659951][T10256] ? clear_bhb_loop+0x40/0x90 [ 623.659974][T10256] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 623.659992][T10256] RIP: 0033:0x7fc7fbf34d1a [ 623.660010][T10256] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 623.660027][T10256] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 623.660047][T10256] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 623.660061][T10256] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 623.660074][T10256] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 623.660087][T10256] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 623.660099][T10256] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 623.660127][T10256] [ 623.660155][T10256] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 623.660169][T10256] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 623.786722][ T9108] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 623.786760][ T9108] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 623.786788][ T9108] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9108 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 623.786830][ T9108] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 623.786856][ T9108] CPU: 1 UID: 0 PID: 9108 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 623.786878][ T9108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 623.786888][ T9108] Call Trace: [ 623.786896][ T9108] [ 623.786905][ T9108] dump_stack_lvl+0xe8/0x150 [ 623.786931][ T9108] gfs2_withdraw+0xc3/0x1b0 [ 623.786953][ T9108] inode_go_instantiate+0xe69/0x12a0 [ 623.786983][ T9108] ? __pfx_inode_go_instantiate+0x10/0x10 [ 623.787000][ T9108] ? rt_spin_unlock+0x160/0x200 [ 623.787037][ T9108] gfs2_instantiate+0x168/0x220 [ 623.787060][ T9108] gfs2_glock_wait+0x1d7/0x2a0 [ 623.787084][ T9108] do_sync+0x49a/0xcb0 [ 623.787114][ T9108] ? gfs2_quota_sync+0x370/0x470 [ 623.787147][ T9108] ? __pfx_do_sync+0x10/0x10 [ 623.787169][ T9108] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 623.787204][ T9108] ? gfs2_quota_sync+0x370/0x470 [ 623.787225][ T9108] ? rt_spin_unlock+0x14f/0x200 [ 623.787254][ T9108] ? rt_spin_unlock+0x160/0x200 [ 623.787281][ T9108] gfs2_quota_sync+0x370/0x470 [ 623.787316][ T9108] gfs2_sync_fs+0x4c/0xb0 [ 623.787340][ T9108] sync_filesystem+0xed/0x250 [ 623.787369][ T9108] generic_shutdown_super+0x77/0x2d0 [ 623.787397][ T9108] kill_block_super+0x44/0x90 [ 623.787423][ T9108] deactivate_locked_super+0xbc/0x130 [ 623.787449][ T9108] cleanup_mnt+0x437/0x4d0 [ 623.787475][ T9108] ? _raw_spin_unlock_irq+0x23/0x50 [ 623.787497][ T9108] task_work_run+0x1d9/0x270 [ 623.787522][ T9108] ? __pfx_task_work_run+0x10/0x10 [ 623.787553][ T9108] exit_to_user_mode_loop+0xed/0x4d0 [ 623.787571][ T9108] ? rcu_is_watching+0x15/0xb0 [ 623.787594][ T9108] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 623.787615][ T9108] ? do_syscall_64+0x33e/0xf80 [ 623.787635][ T9108] ? trace_irq_disable+0x3b/0x140 [ 623.787661][ T9108] ? clear_bhb_loop+0x40/0x90 [ 623.787685][ T9108] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 623.787719][ T9108] [ 623.787726][ T9108] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 624.293068][T10260] loop4: detected capacity change from 0 to 32768 [ 624.361920][T10260] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 624.361937][T10260] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 624.427233][ T1335] ieee802154 phy0 wpan0: encryption failed: -22 [ 624.427311][ T1335] ieee802154 phy1 wpan1: encryption failed: -22 [ 624.552433][T10260] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 624.557671][ T822] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 624.557691][ T822] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 624.824969][ T822] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 267ms [ 624.828617][ T822] gfs2: fsid=syz:syz.0: jid=0: Done [ 624.829852][T10260] gfs2: fsid=syz:syz.0: first mount done, others may mount executing program the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 625.143262][T10260] gfs2: fsid=syz:syz.0: found 1 quota changes [ 625.150128][T10260] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 625.183607][T10262] loop1: detected capacity change from 0 to 32768 [ 625.205058][T10262] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 625.205083][T10262] CPU: 1 UID: 0 PID: 10262 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 625.205107][T10262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 625.205119][T10262] Call Trace: [ 625.205127][T10262] [ 625.205136][T10262] dump_stack_lvl+0xe8/0x150 [ 625.205167][T10262] sysfs_create_dir_ns+0x271/0x2a0 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 625.205196][T10262] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 625.205224][T10262] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 625.205252][T10262] ? rt_spin_unlock+0x160/0x200 [ 625.205278][T10262] kobject_add_internal+0x631/0xd10 [ 625.205308][T10262] kobject_init_and_add+0x12b/0x1a0 [ 625.205336][T10262] ? __pfx_kobject_init_and_add+0x10/0x10 [ 625.205361][T10262] ? __raw_spin_lock_init+0x45/0x100 [ 625.205389][T10262] ? __init_swait_queue_head+0xa9/0x150 [ 625.205420][T10262] gfs2_sys_fs_add+0x257/0x480 [ 625.205444][T10262] ? is_dynamic_key+0x1ac/0x1c0 [ 625.205464][T10262] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 625.205497][T10262] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 625.205531][T10262] gfs2_fill_super+0x141c/0x2220 [ 625.205567][T10262] ? __pfx_gfs2_fill_super+0x10/0x10 [ 625.205585][T10262] ? rt_spin_unlock+0x14f/0x200 [ 625.205614][T10262] ? sb_set_blocksize+0x11b/0x210 [ 625.205636][T10262] ? setup_bdev_super+0x4c1/0x5b0 [ 625.205666][T10262] get_tree_bdev_flags+0x431/0x4f0 [ 625.205702][T10262] ? __pfx_gfs2_fill_super+0x10/0x10 [ 625.205722][T10262] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 625.205747][T10262] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 625.205785][T10262] gfs2_get_tree+0x51/0x1e0 [ 625.205808][T10262] vfs_get_tree+0x92/0x2a0 [ 625.205837][T10262] do_new_mount+0x341/0xd30 [ 625.205858][T10262] ? apparmor_capable+0x126/0x170 [ 625.205885][T10262] ? __pfx_do_new_mount+0x10/0x10 [ 625.205908][T10262] ? ns_capable+0x89/0xe0 [ 625.205937][T10262] ? user_path_at+0xd4/0x160 [ 625.205965][T10262] ? user_path_at+0xd4/0x160 [ 625.205991][T10262] __se_sys_mount+0x31d/0x420 [ 625.206019][T10262] ? __pfx___se_sys_mount+0x10/0x10 [ 625.206048][T10262] ? __x64_sys_mount+0x20/0xc0 [ 625.206068][T10262] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 625.206088][T10262] do_syscall_64+0x15f/0xf80 [ 625.206109][T10262] ? trace_irq_disable+0x3b/0x140 [ 625.206136][T10262] ? clear_bhb_loop+0x40/0x90 [ 625.206159][T10262] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 625.206178][T10262] RIP: 0033:0x7fc7fbf34d1a [ 625.206197][T10262] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 625.206213][T10262] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 625.206234][T10262] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 625.206248][T10262] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 625.206261][T10262] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 625.206274][T10262] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 625.206287][T10262] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 625.206316][T10262] [ 625.210709][T10262] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 625.212582][T10262] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 625.273640][ T9109] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 625.273683][ T9109] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 625.273712][ T9109] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9109 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 625.273752][ T9109] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 625.273780][ T9109] CPU: 1 UID: 0 PID: 9109 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 625.273801][ T9109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 625.273812][ T9109] Call Trace: [ 625.273820][ T9109] [ 625.273828][ T9109] dump_stack_lvl+0xe8/0x150 [ 625.273855][ T9109] gfs2_withdraw+0xc3/0x1b0 [ 625.273876][ T9109] inode_go_instantiate+0xe69/0x12a0 [ 625.273902][ T9109] ? __pfx_bit_wait+0x10/0x10 [ 625.273922][ T9109] ? __pfx_inode_go_instantiate+0x10/0x10 [ 625.273938][ T9109] ? rt_spin_unlock+0x160/0x200 [ 625.273965][ T9109] ? __pfx_wake_bit_function+0x10/0x10 [ 625.273999][ T9109] gfs2_instantiate+0x168/0x220 [ 625.274022][ T9109] gfs2_glock_wait+0x1d7/0x2a0 [ 625.274046][ T9109] do_sync+0x49a/0xcb0 [ 625.274071][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 625.274103][ T9109] ? __pfx_do_sync+0x10/0x10 [ 625.274125][ T9109] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 625.274159][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 625.274181][ T9109] ? rt_spin_unlock+0x14f/0x200 [ 625.274209][ T9109] ? rt_spin_unlock+0x160/0x200 [ 625.274235][ T9109] gfs2_quota_sync+0x370/0x470 [ 625.274269][ T9109] gfs2_sync_fs+0x4c/0xb0 [ 625.274293][ T9109] sync_filesystem+0xed/0x250 [ 625.274321][ T9109] generic_shutdown_super+0x77/0x2d0 [ 625.274348][ T9109] kill_block_super+0x44/0x90 [ 625.274374][ T9109] deactivate_locked_super+0xbc/0x130 [ 625.274400][ T9109] cleanup_mnt+0x437/0x4d0 [ 625.274425][ T9109] ? _raw_spin_unlock_irq+0x23/0x50 [ 625.274447][ T9109] task_work_run+0x1d9/0x270 [ 625.274472][ T9109] ? __pfx_task_work_run+0x10/0x10 executing program [ 625.274503][ T9109] exit_to_user_mode_loop+0xed/0x4d0 [ 625.274521][ T9109] ? rcu_is_watching+0x15/0xb0 [ 625.274542][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 625.274563][ T9109] ? do_syscall_64+0x33e/0xf80 [ 625.274582][ T9109] ? trace_irq_disable+0x3b/0x140 [ 625.274608][ T9109] ? clear_bhb_loop+0x40/0x90 [ 625.274631][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 625.274671][ T9109] [ 625.274679][ T9109] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 626.073055][T10270] loop3: detected capacity change from 0 to 32768 [ 626.110267][T10270] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 626.110287][T10270] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 626.208131][T10274] loop0: detected capacity change from 0 to 32768 [ 626.224934][T10270] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 626.238123][ T822] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 626.238142][ T822] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 626.254089][T10274] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 626.254112][T10274] CPU: 1 UID: 0 PID: 10274 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 626.254135][T10274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 626.254146][T10274] Call Trace: [ 626.254154][T10274] [ 626.254162][T10274] dump_stack_lvl+0xe8/0x150 [ 626.254192][T10274] sysfs_create_dir_ns+0x271/0x2a0 [ 626.254217][T10274] ? __pfx_rt_mutex_slowunlock+0x10/0x10 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 626.254244][T10274] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 626.254271][T10274] ? rt_spin_unlock+0x160/0x200 [ 626.254299][T10274] kobject_add_internal+0x631/0xd10 [ 626.254332][T10274] kobject_init_and_add+0x12b/0x1a0 [ 626.254362][T10274] ? __pfx_kobject_init_and_add+0x10/0x10 [ 626.254388][T10274] ? __raw_spin_lock_init+0x45/0x100 [ 626.254416][T10274] ? __init_swait_queue_head+0xa9/0x150 [ 626.254448][T10274] gfs2_sys_fs_add+0x257/0x480 [ 626.254471][T10274] ? is_dynamic_key+0x1ac/0x1c0 executing program [ 626.254491][T10274] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 626.254525][T10274] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 626.254559][T10274] gfs2_fill_super+0x141c/0x2220 [ 626.254595][T10274] ? __pfx_gfs2_fill_super+0x10/0x10 [ 626.254612][T10274] ? rt_spin_unlock+0x14f/0x200 [ 626.254649][T10274] ? sb_set_blocksize+0x11b/0x210 [ 626.254672][T10274] ? setup_bdev_super+0x4c1/0x5b0 [ 626.254701][T10274] get_tree_bdev_flags+0x431/0x4f0 [ 626.254728][T10274] ? __pfx_gfs2_fill_super+0x10/0x10 executing program [ 626.254751][T10274] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 626.254775][T10274] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 626.254808][T10274] gfs2_get_tree+0x51/0x1e0 [ 626.254829][T10274] vfs_get_tree+0x92/0x2a0 [ 626.254856][T10274] do_new_mount+0x341/0xd30 [ 626.254874][T10274] ? apparmor_capable+0x126/0x170 [ 626.254901][T10274] ? __pfx_do_new_mount+0x10/0x10 [ 626.254922][T10274] ? ns_capable+0x89/0xe0 [ 626.254949][T10274] ? user_path_at+0xd4/0x160 [ 626.254975][T10274] ? user_path_at+0xd4/0x160 [ 626.255001][T10274] __se_sys_mount+0x31d/0x420 [ 626.255029][T10274] ? __pfx___se_sys_mount+0x10/0x10 [ 626.255056][T10274] ? __x64_sys_mount+0x20/0xc0 [ 626.255077][T10274] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 626.255098][T10274] do_syscall_64+0x15f/0xf80 [ 626.255117][T10274] ? trace_irq_disable+0x3b/0x140 [ 626.255144][T10274] ? clear_bhb_loop+0x40/0x90 [ 626.255167][T10274] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 626.255185][T10274] RIP: 0033:0x7fc7fbf34d1a [ 626.255205][T10274] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 626.255221][T10274] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 626.255241][T10274] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 626.255255][T10274] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 626.255268][T10274] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 626.255281][T10274] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 626.255293][T10274] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 626.255323][T10274] [ 626.269223][T10274] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 626.269245][T10274] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 626.639581][ T822] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 401ms [ 626.639831][ T822] gfs2: fsid=syz:syz.0: jid=0: Done [ 626.646413][T10270] gfs2: fsid=syz:syz.0: first mount done, others may mount the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 627.033585][T10270] gfs2: fsid=syz:syz.0: found 1 quota changes [ 627.070271][T10270] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 627.090905][T10280] loop2: detected capacity change from 0 to 32768 [ 627.115266][T10280] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 627.115290][T10280] CPU: 0 UID: 0 PID: 10280 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 627.115314][T10280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 627.115326][T10280] Call Trace: [ 627.115333][T10280] [ 627.115342][T10280] dump_stack_lvl+0xe8/0x150 [ 627.115373][T10280] sysfs_create_dir_ns+0x271/0x2a0 [ 627.115397][T10280] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 627.115426][T10280] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 627.115453][T10280] ? rt_spin_unlock+0x160/0x200 [ 627.115480][T10280] kobject_add_internal+0x631/0xd10 [ 627.115512][T10280] kobject_init_and_add+0x12b/0x1a0 [ 627.115542][T10280] ? __pfx_kobject_init_and_add+0x10/0x10 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 627.115568][T10280] ? __raw_spin_lock_init+0x45/0x100 [ 627.115597][T10280] ? __init_swait_queue_head+0xa9/0x150 [ 627.115628][T10280] gfs2_sys_fs_add+0x257/0x480 [ 627.115652][T10280] ? is_dynamic_key+0x1ac/0x1c0 [ 627.115672][T10280] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 627.115705][T10280] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 627.115747][T10280] gfs2_fill_super+0x141c/0x2220 [ 627.115783][T10280] ? __pfx_gfs2_fill_super+0x10/0x10 [ 627.115802][T10280] ? rt_spin_unlock+0x14f/0x200 [ 627.115831][T10280] ? sb_set_blocksize+0x11b/0x210 executing program [ 627.115852][T10280] ? setup_bdev_super+0x4c1/0x5b0 [ 627.115882][T10280] get_tree_bdev_flags+0x431/0x4f0 [ 627.115908][T10280] ? __pfx_gfs2_fill_super+0x10/0x10 [ 627.115930][T10280] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 627.115953][T10280] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 627.115985][T10280] gfs2_get_tree+0x51/0x1e0 [ 627.116005][T10280] vfs_get_tree+0x92/0x2a0 [ 627.116033][T10280] do_new_mount+0x341/0xd30 [ 627.116053][T10280] ? apparmor_capable+0x126/0x170 [ 627.116079][T10280] ? __pfx_do_new_mount+0x10/0x10 [ 627.116101][T10280] ? ns_capable+0x89/0xe0 [ 627.116130][T10280] ? user_path_at+0xd4/0x160 [ 627.116158][T10280] ? user_path_at+0xd4/0x160 [ 627.116184][T10280] __se_sys_mount+0x31d/0x420 [ 627.116213][T10280] ? __pfx___se_sys_mount+0x10/0x10 [ 627.116242][T10280] ? __x64_sys_mount+0x20/0xc0 [ 627.116263][T10280] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 627.116284][T10280] do_syscall_64+0x15f/0xf80 [ 627.116304][T10280] ? trace_irq_disable+0x3b/0x140 [ 627.116331][T10280] ? clear_bhb_loop+0x40/0x90 [ 627.116354][T10280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 627.116372][T10280] RIP: 0033:0x7fc7fbf34d1a [ 627.116390][T10280] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 627.116407][T10280] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 627.116428][T10280] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 627.116442][T10280] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 627.116456][T10280] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 627.116469][T10280] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 627.116481][T10280] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 627.116511][T10280] [ 627.197019][ T9110] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 627.197055][ T9110] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 627.197084][ T9110] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9110 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 627.197125][ T9110] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 627.197152][ T9110] CPU: 1 UID: 0 PID: 9110 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 627.197173][ T9110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 627.197185][ T9110] Call Trace: [ 627.197193][ T9110] [ 627.197201][ T9110] dump_stack_lvl+0xe8/0x150 [ 627.197227][ T9110] gfs2_withdraw+0xc3/0x1b0 [ 627.197249][ T9110] inode_go_instantiate+0xe69/0x12a0 [ 627.197275][ T9110] ? __pfx_bit_wait+0x10/0x10 [ 627.197295][ T9110] ? __pfx_inode_go_instantiate+0x10/0x10 [ 627.197312][ T9110] ? rt_spin_unlock+0x160/0x200 [ 627.197339][ T9110] ? __pfx_wake_bit_function+0x10/0x10 [ 627.197372][ T9110] gfs2_instantiate+0x168/0x220 [ 627.197396][ T9110] gfs2_glock_wait+0x1d7/0x2a0 [ 627.197419][ T9110] do_sync+0x49a/0xcb0 [ 627.197444][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 627.197476][ T9110] ? __pfx_do_sync+0x10/0x10 [ 627.197505][ T9110] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 627.197539][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 627.197561][ T9110] ? rt_spin_unlock+0x14f/0x200 [ 627.197589][ T9110] ? rt_spin_unlock+0x160/0x200 [ 627.197616][ T9110] gfs2_quota_sync+0x370/0x470 [ 627.197650][ T9110] gfs2_sync_fs+0x4c/0xb0 [ 627.197674][ T9110] sync_filesystem+0xed/0x250 [ 627.197703][ T9110] generic_shutdown_super+0x77/0x2d0 [ 627.197731][ T9110] kill_block_super+0x44/0x90 [ 627.197757][ T9110] deactivate_locked_super+0xbc/0x130 [ 627.197783][ T9110] cleanup_mnt+0x437/0x4d0 [ 627.197808][ T9110] ? _raw_spin_unlock_irq+0x23/0x50 [ 627.197831][ T9110] task_work_run+0x1d9/0x270 [ 627.197855][ T9110] ? __pfx_task_work_run+0x10/0x10 [ 627.197886][ T9110] exit_to_user_mode_loop+0xed/0x4d0 [ 627.197904][ T9110] ? rcu_is_watching+0x15/0xb0 [ 627.197927][ T9110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 627.197948][ T9110] ? do_syscall_64+0x33e/0xf80 [ 627.197966][ T9110] ? trace_irq_disable+0x3b/0x140 [ 627.197992][ T9110] ? clear_bhb_loop+0x40/0x90 [ 627.198015][ T9110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 627.198049][ T9110] [ 627.198056][ T9110] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 627.199874][T10280] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 627.199892][T10280] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 628.105008][T10290] loop4: detected capacity change from 0 to 32768 [ 628.133638][T10290] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 628.133658][T10290] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 628.193849][T10290] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 628.209749][ T7355] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 628.209769][ T7355] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... executing program [ 628.367909][ T7355] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 158ms [ 628.368155][ T7355] gfs2: fsid=syz:syz.0: jid=0: Done [ 628.371018][T10290] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 628.542556][T10292] loop0: detected capacity change from 0 to 32768 [ 628.557883][T10292] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 628.557906][T10292] CPU: 0 UID: 0 PID: 10292 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 628.557928][T10292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 628.557941][T10292] Call Trace: [ 628.557948][T10292] [ 628.557956][T10292] dump_stack_lvl+0xe8/0x150 [ 628.557987][T10292] sysfs_create_dir_ns+0x271/0x2a0 [ 628.558014][T10292] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 628.558042][T10292] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 628.558069][T10292] ? rt_spin_unlock+0x160/0x200 [ 628.558097][T10292] kobject_add_internal+0x631/0xd10 [ 628.558131][T10292] kobject_init_and_add+0x12b/0x1a0 [ 628.558162][T10292] ? __pfx_kobject_init_and_add+0x10/0x10 [ 628.558189][T10292] ? __raw_spin_lock_init+0x45/0x100 [ 628.558219][T10292] ? __init_swait_queue_head+0xa9/0x150 [ 628.558248][T10292] gfs2_sys_fs_add+0x257/0x480 [ 628.558270][T10292] ? is_dynamic_key+0x1ac/0x1c0 [ 628.558289][T10292] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 628.558319][T10292] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 628.558377][T10292] gfs2_fill_super+0x141c/0x2220 [ 628.558407][T10292] ? __pfx_gfs2_fill_super+0x10/0x10 [ 628.558422][T10292] ? rt_spin_unlock+0x14f/0x200 [ 628.558449][T10292] ? sb_set_blocksize+0x11b/0x210 [ 628.558469][T10292] ? setup_bdev_super+0x4c1/0x5b0 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 628.558497][T10292] get_tree_bdev_flags+0x431/0x4f0 [ 628.558522][T10292] ? __pfx_gfs2_fill_super+0x10/0x10 [ 628.558541][T10292] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 628.558563][T10292] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 628.558598][T10292] gfs2_get_tree+0x51/0x1e0 [ 628.558622][T10292] vfs_get_tree+0x92/0x2a0 [ 628.558654][T10292] do_new_mount+0x341/0xd30 [ 628.558673][T10292] ? apparmor_capable+0x126/0x170 [ 628.558698][T10292] ? __pfx_do_new_mount+0x10/0x10 [ 628.558719][T10292] ? ns_capable+0x89/0xe0 [ 628.558749][T10292] ? user_path_at+0xd4/0x160 [ 628.558778][T10292] ? user_path_at+0xd4/0x160 [ 628.558804][T10292] __se_sys_mount+0x31d/0x420 [ 628.558831][T10292] ? __pfx___se_sys_mount+0x10/0x10 [ 628.558858][T10292] ? __x64_sys_mount+0x20/0xc0 [ 628.558880][T10292] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 628.558900][T10292] do_syscall_64+0x15f/0xf80 [ 628.558920][T10292] ? trace_irq_disable+0x3b/0x140 [ 628.558946][T10292] ? clear_bhb_loop+0x40/0x90 [ 628.558969][T10292] entry_SYSCALL_64_after_hwframe+0x77/0x7f executing program [ 628.558988][T10292] RIP: 0033:0x7fc7fbf34d1a [ 628.559006][T10292] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 628.559022][T10292] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 628.559041][T10292] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 628.559055][T10292] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 628.559069][T10292] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 628.559082][T10292] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 628.559094][T10292] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 628.559125][T10292] [ 628.614531][T10284] loop1: detected capacity change from 0 to 32768 [ 628.646912][T10284] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 628.646936][T10284] CPU: 1 UID: 0 PID: 10284 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 628.646959][T10284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 628.646970][T10284] Call Trace: [ 628.646978][T10284] [ 628.646986][T10284] dump_stack_lvl+0xe8/0x150 [ 628.647016][T10284] sysfs_create_dir_ns+0x271/0x2a0 [ 628.647040][T10284] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 628.647068][T10284] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 628.647094][T10284] ? rt_spin_unlock+0x160/0x200 [ 628.647120][T10284] kobject_add_internal+0x631/0xd10 [ 628.647152][T10284] kobject_init_and_add+0x12b/0x1a0 [ 628.647181][T10284] ? __pfx_kobject_init_and_add+0x10/0x10 [ 628.647206][T10284] ? __raw_spin_lock_init+0x45/0x100 [ 628.647235][T10284] ? __init_swait_queue_head+0xa9/0x150 [ 628.647266][T10284] gfs2_sys_fs_add+0x257/0x480 [ 628.647289][T10284] ? is_dynamic_key+0x1ac/0x1c0 [ 628.647309][T10284] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 628.647341][T10284] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 628.647373][T10284] gfs2_fill_super+0x141c/0x2220 [ 628.647408][T10284] ? __pfx_gfs2_fill_super+0x10/0x10 [ 628.647425][T10284] ? rt_spin_unlock+0x14f/0x200 [ 628.647454][T10284] ? sb_set_blocksize+0x11b/0x210 [ 628.647476][T10284] ? setup_bdev_super+0x4c1/0x5b0 [ 628.647506][T10284] get_tree_bdev_flags+0x431/0x4f0 [ 628.647532][T10284] ? __pfx_gfs2_fill_super+0x10/0x10 [ 628.647551][T10284] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 628.647576][T10284] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 628.647611][T10284] gfs2_get_tree+0x51/0x1e0 [ 628.647641][T10284] vfs_get_tree+0x92/0x2a0 [ 628.647670][T10284] do_new_mount+0x341/0xd30 [ 628.647689][T10284] ? apparmor_capable+0x126/0x170 [ 628.647717][T10284] ? __pfx_do_new_mount+0x10/0x10 [ 628.647737][T10284] ? ns_capable+0x89/0xe0 [ 628.647766][T10284] ? user_path_at+0xd4/0x160 [ 628.647794][T10284] ? user_path_at+0xd4/0x160 [ 628.647820][T10284] __se_sys_mount+0x31d/0x420 [ 628.647847][T10284] ? __pfx___se_sys_mount+0x10/0x10 [ 628.647874][T10284] ? __x64_sys_mount+0x20/0xc0 [ 628.647895][T10284] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 628.647915][T10284] do_syscall_64+0x15f/0xf80 [ 628.647934][T10284] ? trace_irq_disable+0x3b/0x140 [ 628.647965][T10284] ? clear_bhb_loop+0x40/0x90 [ 628.647987][T10284] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 628.648006][T10284] RIP: 0033:0x7fc7fbf34d1a [ 628.648024][T10284] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 628.648039][T10284] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 628.648060][T10284] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 628.648074][T10284] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 628.648087][T10284] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 628.648100][T10284] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 628.648112][T10284] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 628.648141][T10284] executing program [ 628.648178][T10284] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 628.660340][T10284] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 628.709310][T10292] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 628.709330][T10292] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 628.843668][T10290] gfs2: fsid=syz:syz.0: found 1 quota changes [ 628.860432][T10290] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 629.018991][ T9109] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 629.019026][ T9109] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 629.019055][ T9109] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9109 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 629.019097][ T9109] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 629.019123][ T9109] CPU: 1 UID: 0 PID: 9109 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 629.019144][ T9109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 629.019155][ T9109] Call Trace: [ 629.019163][ T9109] [ 629.019171][ T9109] dump_stack_lvl+0xe8/0x150 [ 629.019198][ T9109] gfs2_withdraw+0xc3/0x1b0 [ 629.019219][ T9109] inode_go_instantiate+0xe69/0x12a0 [ 629.019248][ T9109] ? __pfx_inode_go_instantiate+0x10/0x10 [ 629.019265][ T9109] ? rt_spin_unlock+0x160/0x200 [ 629.019302][ T9109] gfs2_instantiate+0x168/0x220 [ 629.019324][ T9109] gfs2_glock_wait+0x1d7/0x2a0 [ 629.019348][ T9109] do_sync+0x49a/0xcb0 [ 629.019372][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 629.019405][ T9109] ? __pfx_do_sync+0x10/0x10 [ 629.019426][ T9109] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 629.019459][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 629.019482][ T9109] ? rt_spin_unlock+0x14f/0x200 [ 629.019511][ T9109] ? rt_spin_unlock+0x160/0x200 [ 629.019537][ T9109] gfs2_quota_sync+0x370/0x470 [ 629.019575][ T9109] gfs2_sync_fs+0x4c/0xb0 [ 629.019598][ T9109] sync_filesystem+0xed/0x250 [ 629.019626][ T9109] generic_shutdown_super+0x77/0x2d0 [ 629.019659][ T9109] kill_block_super+0x44/0x90 [ 629.019685][ T9109] deactivate_locked_super+0xbc/0x130 [ 629.019709][ T9109] cleanup_mnt+0x437/0x4d0 [ 629.019733][ T9109] ? _raw_spin_unlock_irq+0x23/0x50 [ 629.019756][ T9109] task_work_run+0x1d9/0x270 [ 629.019780][ T9109] ? __pfx_task_work_run+0x10/0x10 [ 629.019810][ T9109] exit_to_user_mode_loop+0xed/0x4d0 [ 629.019828][ T9109] ? rcu_is_watching+0x15/0xb0 [ 629.019852][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 629.019873][ T9109] ? do_syscall_64+0x33e/0xf80 [ 629.019892][ T9109] ? trace_irq_disable+0x3b/0x140 [ 629.019919][ T9109] ? clear_bhb_loop+0x40/0x90 [ 629.019943][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 629.019978][ T9109] [ 629.021139][ T9109] gfs2: fsid=syz:syz.0: about to withdraw this file system executing program [ 630.026485][T10298] loop2: detected capacity change from 0 to 32768 [ 630.050737][T10298] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 630.050751][T10298] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 630.112917][T10298] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 630.157605][ T822] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 630.157625][ T822] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 630.358408][ T822] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 200ms [ 630.358642][ T822] gfs2: fsid=syz:syz.0: jid=0: Done [ 630.358944][T10298] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 630.444788][T10312] loop1: detected capacity change from 0 to 32768 [ 630.467071][T10312] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 630.467091][T10312] CPU: 1 UID: 0 PID: 10312 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 630.467104][T10312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 630.467111][T10312] Call Trace: [ 630.467116][T10312] [ 630.467122][T10312] dump_stack_lvl+0xe8/0x150 [ 630.467141][T10312] sysfs_create_dir_ns+0x271/0x2a0 [ 630.467155][T10312] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 630.467172][T10312] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 630.467187][T10312] ? rt_spin_unlock+0x160/0x200 [ 630.467209][T10312] kobject_add_internal+0x631/0xd10 [ 630.467228][T10312] kobject_init_and_add+0x12b/0x1a0 [ 630.467244][T10312] ? __pfx_kobject_init_and_add+0x10/0x10 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 630.467258][T10312] ? __raw_spin_lock_init+0x45/0x100 [ 630.467275][T10312] ? __init_swait_queue_head+0xa9/0x150 [ 630.467300][T10312] gfs2_sys_fs_add+0x257/0x480 [ 630.467323][T10312] ? is_dynamic_key+0x1ac/0x1c0 [ 630.467338][T10312] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 630.467356][T10312] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 630.467374][T10312] gfs2_fill_super+0x141c/0x2220 [ 630.467393][T10312] ? __pfx_gfs2_fill_super+0x10/0x10 [ 630.467403][T10312] ? rt_spin_unlock+0x14f/0x200 [ 630.467419][T10312] ? sb_set_blocksize+0x11b/0x210 [ 630.467431][T10312] ? setup_bdev_super+0x4c1/0x5b0 [ 630.467449][T10312] get_tree_bdev_flags+0x431/0x4f0 [ 630.467468][T10312] ? __pfx_gfs2_fill_super+0x10/0x10 [ 630.467479][T10312] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 630.467493][T10312] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 630.467513][T10312] gfs2_get_tree+0x51/0x1e0 [ 630.467526][T10312] vfs_get_tree+0x92/0x2a0 [ 630.467542][T10312] do_new_mount+0x341/0xd30 [ 630.467553][T10312] ? apparmor_capable+0x126/0x170 [ 630.467568][T10312] ? __pfx_do_new_mount+0x10/0x10 [ 630.467580][T10312] ? ns_capable+0x89/0xe0 [ 630.467597][T10312] ? user_path_at+0xd4/0x160 [ 630.467612][T10312] ? user_path_at+0xd4/0x160 [ 630.467626][T10312] __se_sys_mount+0x31d/0x420 [ 630.467642][T10312] ? __pfx___se_sys_mount+0x10/0x10 [ 630.467657][T10312] ? __x64_sys_mount+0x20/0xc0 [ 630.467669][T10312] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 630.467680][T10312] do_syscall_64+0x15f/0xf80 [ 630.467692][T10312] ? trace_irq_disable+0x3b/0x140 [ 630.467708][T10312] ? clear_bhb_loop+0x40/0x90 [ 630.467721][T10312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 630.467731][T10312] RIP: 0033:0x7fc7fbf34d1a [ 630.467742][T10312] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 630.467752][T10312] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 630.467763][T10312] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 630.467771][T10312] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 630.467778][T10312] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 630.467785][T10312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 630.467792][T10312] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 630.467808][T10312] [ 630.467823][T10312] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 630.467832][T10312] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 630.606357][T10302] loop3: detected capacity change from 0 to 32768 [ 630.664199][T10302] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 630.664222][T10302] CPU: 1 UID: 0 PID: 10302 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 630.664245][T10302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 630.664255][T10302] Call Trace: [ 630.664262][T10302] executing program [ 630.664271][T10302] dump_stack_lvl+0xe8/0x150 [ 630.664299][T10302] sysfs_create_dir_ns+0x271/0x2a0 [ 630.664322][T10302] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 630.664347][T10302] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 630.664373][T10302] ? rt_spin_unlock+0x160/0x200 [ 630.664399][T10302] kobject_add_internal+0x631/0xd10 [ 630.664431][T10302] kobject_init_and_add+0x12b/0x1a0 [ 630.664459][T10302] ? __pfx_kobject_init_and_add+0x10/0x10 [ 630.664484][T10302] ? __raw_spin_lock_init+0x45/0x100 [ 630.664511][T10302] ? __init_swait_queue_head+0xa9/0x150 [ 630.664542][T10302] gfs2_sys_fs_add+0x257/0x480 [ 630.664565][T10302] ? is_dynamic_key+0x1ac/0x1c0 [ 630.664585][T10302] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 630.664616][T10302] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 630.664649][T10302] gfs2_fill_super+0x141c/0x2220 [ 630.664684][T10302] ? __pfx_gfs2_fill_super+0x10/0x10 [ 630.664704][T10302] ? rt_spin_unlock+0x14f/0x200 [ 630.664732][T10302] ? sb_set_blocksize+0x11b/0x210 [ 630.664753][T10302] ? setup_bdev_super+0x4c1/0x5b0 [ 630.664783][T10302] get_tree_bdev_flags+0x431/0x4f0 [ 630.664809][T10302] ? __pfx_gfs2_fill_super+0x10/0x10 [ 630.664828][T10302] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 630.664851][T10302] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 630.664887][T10302] gfs2_get_tree+0x51/0x1e0 [ 630.664909][T10302] vfs_get_tree+0x92/0x2a0 [ 630.664937][T10302] do_new_mount+0x341/0xd30 [ 630.664957][T10302] ? apparmor_capable+0x126/0x170 [ 630.664983][T10302] ? __pfx_do_new_mount+0x10/0x10 [ 630.665004][T10302] ? ns_capable+0x89/0xe0 [ 630.665032][T10302] ? user_path_at+0xd4/0x160 [ 630.665058][T10302] ? user_path_at+0xd4/0x160 [ 630.665083][T10302] __se_sys_mount+0x31d/0x420 [ 630.665111][T10302] ? __pfx___se_sys_mount+0x10/0x10 [ 630.665138][T10302] ? __x64_sys_mount+0x20/0xc0 [ 630.665159][T10302] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 630.665179][T10302] do_syscall_64+0x15f/0xf80 [ 630.665205][T10302] ? trace_irq_disable+0x3b/0x140 [ 630.665231][T10302] ? clear_bhb_loop+0x40/0x90 [ 630.665254][T10302] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 630.665272][T10302] RIP: 0033:0x7fc7fbf34d1a [ 630.665290][T10302] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 630.665306][T10302] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 630.665326][T10302] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 630.665339][T10302] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 630.665353][T10302] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 630.665365][T10302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 630.665379][T10302] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 630.665408][T10302] [ 630.665443][T10302] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 630.665458][T10302] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 631.016711][T10298] gfs2: fsid=syz:syz.0: found 1 quota changes [ 631.123347][T10298] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 631.232167][ T9108] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 631.232207][ T9108] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 631.232243][ T9108] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9108 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 631.232284][ T9108] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 631.232314][ T9108] CPU: 1 UID: 0 PID: 9108 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 631.232335][ T9108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 631.232346][ T9108] Call Trace: [ 631.232355][ T9108] [ 631.232363][ T9108] dump_stack_lvl+0xe8/0x150 [ 631.232391][ T9108] gfs2_withdraw+0xc3/0x1b0 [ 631.232413][ T9108] inode_go_instantiate+0xe69/0x12a0 [ 631.232441][ T9108] ? __pfx_bit_wait+0x10/0x10 [ 631.232462][ T9108] ? __pfx_inode_go_instantiate+0x10/0x10 [ 631.232479][ T9108] ? rt_spin_unlock+0x160/0x200 [ 631.232507][ T9108] ? __pfx_wake_bit_function+0x10/0x10 [ 631.232539][ T9108] gfs2_instantiate+0x168/0x220 [ 631.232561][ T9108] gfs2_glock_wait+0x1d7/0x2a0 [ 631.232586][ T9108] do_sync+0x49a/0xcb0 [ 631.232611][ T9108] ? gfs2_quota_sync+0x370/0x470 [ 631.232645][ T9108] ? __pfx_do_sync+0x10/0x10 [ 631.232668][ T9108] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 631.232703][ T9108] ? gfs2_quota_sync+0x370/0x470 [ 631.232726][ T9108] ? rt_spin_unlock+0x14f/0x200 [ 631.232755][ T9108] ? rt_spin_unlock+0x160/0x200 [ 631.232783][ T9108] gfs2_quota_sync+0x370/0x470 [ 631.232818][ T9108] gfs2_sync_fs+0x4c/0xb0 [ 631.232843][ T9108] sync_filesystem+0xed/0x250 [ 631.232872][ T9108] generic_shutdown_super+0x77/0x2d0 [ 631.232900][ T9108] kill_block_super+0x44/0x90 [ 631.232928][ T9108] deactivate_locked_super+0xbc/0x130 [ 631.232954][ T9108] cleanup_mnt+0x437/0x4d0 [ 631.232980][ T9108] ? _raw_spin_unlock_irq+0x23/0x50 [ 631.233005][ T9108] task_work_run+0x1d9/0x270 [ 631.233030][ T9108] ? __pfx_task_work_run+0x10/0x10 [ 631.233063][ T9108] exit_to_user_mode_loop+0xed/0x4d0 [ 631.233082][ T9108] ? rcu_is_watching+0x15/0xb0 [ 631.233106][ T9108] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 631.233127][ T9108] ? do_syscall_64+0x33e/0xf80 [ 631.233148][ T9108] ? trace_irq_disable+0x3b/0x140 [ 631.233175][ T9108] ? clear_bhb_loop+0x40/0x90 [ 631.233199][ T9108] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 631.233241][ T9108] [ 631.233248][ T9108] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 631.646275][T10310] loop0: detected capacity change from 0 to 32768 [ 631.666753][T10310] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 631.666772][T10310] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 631.803391][T10310] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 631.884314][ T32] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 631.884336][ T32] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 632.110031][ T32] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 225ms [ 632.113648][ T32] gfs2: fsid=syz:syz.0: jid=0: Done [ 632.115665][T10310] gfs2: fsid=syz:syz.0: first mount done, others may mount executing program the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 632.414078][T10310] gfs2: fsid=syz:syz.0: found 1 quota changes [ 632.420891][T10310] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 632.509416][ T9102] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 632.509451][ T9102] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 632.509476][ T9102] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9102 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 632.509512][ T9102] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 632.509536][ T9102] CPU: 1 UID: 0 PID: 9102 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 632.509554][ T9102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 632.509563][ T9102] Call Trace: [ 632.509570][ T9102] [ 632.509578][ T9102] dump_stack_lvl+0xe8/0x150 [ 632.509601][ T9102] gfs2_withdraw+0xc3/0x1b0 [ 632.509620][ T9102] inode_go_instantiate+0xe69/0x12a0 [ 632.509645][ T9102] ? __pfx_inode_go_instantiate+0x10/0x10 [ 632.509660][ T9102] ? rt_spin_unlock+0x160/0x200 [ 632.509691][ T9102] gfs2_instantiate+0x168/0x220 [ 632.509712][ T9102] gfs2_glock_wait+0x1d7/0x2a0 [ 632.509733][ T9102] do_sync+0x49a/0xcb0 [ 632.509754][ T9102] ? gfs2_quota_sync+0x370/0x470 [ 632.509783][ T9102] ? __pfx_do_sync+0x10/0x10 [ 632.509802][ T9102] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 632.509831][ T9102] ? gfs2_quota_sync+0x370/0x470 [ 632.509850][ T9102] ? rt_spin_unlock+0x14f/0x200 [ 632.509875][ T9102] ? rt_spin_unlock+0x160/0x200 [ 632.509898][ T9102] gfs2_quota_sync+0x370/0x470 [ 632.509928][ T9102] gfs2_sync_fs+0x4c/0xb0 [ 632.509950][ T9102] sync_filesystem+0xed/0x250 [ 632.509975][ T9102] generic_shutdown_super+0x77/0x2d0 [ 632.509999][ T9102] kill_block_super+0x44/0x90 [ 632.510022][ T9102] deactivate_locked_super+0xbc/0x130 [ 632.510044][ T9102] cleanup_mnt+0x437/0x4d0 [ 632.510066][ T9102] ? _raw_spin_unlock_irq+0x23/0x50 [ 632.510088][ T9102] task_work_run+0x1d9/0x270 [ 632.510109][ T9102] ? __pfx_task_work_run+0x10/0x10 [ 632.510136][ T9102] exit_to_user_mode_loop+0xed/0x4d0 [ 632.510152][ T9102] ? rcu_is_watching+0x15/0xb0 [ 632.510172][ T9102] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 632.510190][ T9102] ? do_syscall_64+0x33e/0xf80 [ 632.510206][ T9102] ? trace_irq_disable+0x3b/0x140 [ 632.510229][ T9102] ? clear_bhb_loop+0x40/0x90 [ 632.510249][ T9102] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 632.510278][ T9102] [ 632.510286][ T9102] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 632.776993][T10317] loop4: detected capacity change from 0 to 32768 [ 632.788254][T10317] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 632.788276][T10317] CPU: 0 UID: 0 PID: 10317 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 632.788306][T10317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 632.788318][T10317] Call Trace: [ 632.788326][T10317] [ 632.788334][T10317] dump_stack_lvl+0xe8/0x150 [ 632.788363][T10317] sysfs_create_dir_ns+0x271/0x2a0 [ 632.788386][T10317] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 632.788414][T10317] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 632.788437][T10317] ? rt_spin_unlock+0x160/0x200 [ 632.788463][T10317] kobject_add_internal+0x631/0xd10 [ 632.788495][T10317] kobject_init_and_add+0x12b/0x1a0 [ 632.788522][T10317] ? __pfx_kobject_init_and_add+0x10/0x10 [ 632.788552][T10317] ? __raw_spin_lock_init+0x45/0x100 [ 632.788581][T10317] ? __init_swait_queue_head+0xa9/0x150 [ 632.788612][T10317] gfs2_sys_fs_add+0x257/0x480 [ 632.788637][T10317] ? is_dynamic_key+0x1ac/0x1c0 [ 632.788657][T10317] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 632.788690][T10317] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 632.788724][T10317] gfs2_fill_super+0x141c/0x2220 [ 632.788758][T10317] ? __pfx_gfs2_fill_super+0x10/0x10 [ 632.788776][T10317] ? rt_spin_unlock+0x14f/0x200 [ 632.788804][T10317] ? sb_set_blocksize+0x11b/0x210 [ 632.788826][T10317] ? setup_bdev_super+0x4c1/0x5b0 [ 632.788855][T10317] get_tree_bdev_flags+0x431/0x4f0 [ 632.788879][T10317] ? __pfx_gfs2_fill_super+0x10/0x10 [ 632.788896][T10317] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 632.788918][T10317] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 632.788951][T10317] gfs2_get_tree+0x51/0x1e0 [ 632.788973][T10317] vfs_get_tree+0x92/0x2a0 [ 632.788998][T10317] do_new_mount+0x341/0xd30 [ 632.789016][T10317] ? apparmor_capable+0x126/0x170 [ 632.789040][T10317] ? __pfx_do_new_mount+0x10/0x10 [ 632.789061][T10317] ? ns_capable+0x89/0xe0 [ 632.789086][T10317] ? user_path_at+0xd4/0x160 [ 632.789112][T10317] ? user_path_at+0xd4/0x160 [ 632.789137][T10317] __se_sys_mount+0x31d/0x420 [ 632.789163][T10317] ? __pfx___se_sys_mount+0x10/0x10 [ 632.789190][T10317] ? __x64_sys_mount+0x20/0xc0 [ 632.789211][T10317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 632.789232][T10317] do_syscall_64+0x15f/0xf80 [ 632.789251][T10317] ? trace_irq_disable+0x3b/0x140 [ 632.789277][T10317] ? clear_bhb_loop+0x40/0x90 [ 632.789306][T10317] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 632.789323][T10317] RIP: 0033:0x7fc7fbf34d1a [ 632.789341][T10317] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 632.789355][T10317] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 632.789374][T10317] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 632.789388][T10317] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 632.789401][T10317] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 632.789415][T10317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 632.789427][T10317] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 632.789457][T10317] the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed executing program [ 632.789542][T10317] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 632.789558][T10317] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 633.216662][T10329] loop3: detected capacity change from 0 to 32768 [ 633.261237][T10329] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 633.261256][T10329] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 633.379450][T10329] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 633.382051][ T6190] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 633.382071][ T6190] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 633.663316][ T6190] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 281ms [ 633.663545][ T6190] gfs2: fsid=syz:syz.0: jid=0: Done [ 633.663592][T10329] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 633.670679][T10337] loop2: detected capacity change from 0 to 32768 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 633.733735][T10337] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 633.733757][T10337] CPU: 0 UID: 0 PID: 10337 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 633.733780][T10337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 633.733792][T10337] Call Trace: [ 633.733800][T10337] executing program [ 633.733809][T10337] dump_stack_lvl+0xe8/0x150 [ 633.733839][T10337] sysfs_create_dir_ns+0x271/0x2a0 [ 633.733864][T10337] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 633.733893][T10337] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 633.733919][T10337] ? rt_spin_unlock+0x160/0x200 [ 633.733946][T10337] kobject_add_internal+0x631/0xd10 [ 633.733987][T10337] kobject_init_and_add+0x12b/0x1a0 [ 633.734017][T10337] ? __pfx_kobject_init_and_add+0x10/0x10 [ 633.734042][T10337] ? __raw_spin_lock_init+0x45/0x100 [ 633.734072][T10337] ? __init_swait_queue_head+0xa9/0x150 [ 633.734102][T10337] gfs2_sys_fs_add+0x257/0x480 [ 633.734125][T10337] ? is_dynamic_key+0x1ac/0x1c0 [ 633.734146][T10337] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 633.734178][T10337] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 633.734215][T10337] gfs2_fill_super+0x141c/0x2220 [ 633.734250][T10337] ? __pfx_gfs2_fill_super+0x10/0x10 [ 633.734268][T10337] ? rt_spin_unlock+0x14f/0x200 [ 633.734297][T10337] ? sb_set_blocksize+0x11b/0x210 [ 633.734319][T10337] ? setup_bdev_super+0x4c1/0x5b0 [ 633.734350][T10337] get_tree_bdev_flags+0x431/0x4f0 [ 633.734378][T10337] ? __pfx_gfs2_fill_super+0x10/0x10 [ 633.734398][T10337] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 633.734424][T10337] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 633.734461][T10337] gfs2_get_tree+0x51/0x1e0 [ 633.734485][T10337] vfs_get_tree+0x92/0x2a0 [ 633.734515][T10337] do_new_mount+0x341/0xd30 [ 633.734536][T10337] ? apparmor_capable+0x126/0x170 [ 633.734563][T10337] ? __pfx_do_new_mount+0x10/0x10 [ 633.734584][T10337] ? ns_capable+0x89/0xe0 [ 633.734612][T10337] ? user_path_at+0xd4/0x160 [ 633.734638][T10337] ? user_path_at+0xd4/0x160 [ 633.734664][T10337] __se_sys_mount+0x31d/0x420 [ 633.734691][T10337] ? __pfx___se_sys_mount+0x10/0x10 [ 633.734719][T10337] ? __x64_sys_mount+0x20/0xc0 [ 633.734741][T10337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 633.734762][T10337] do_syscall_64+0x15f/0xf80 [ 633.734782][T10337] ? trace_irq_disable+0x3b/0x140 [ 633.734809][T10337] ? clear_bhb_loop+0x40/0x90 [ 633.734833][T10337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 633.734851][T10337] RIP: 0033:0x7fc7fbf34d1a [ 633.734870][T10337] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 633.734887][T10337] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 633.734907][T10337] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 633.734921][T10337] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 633.734933][T10337] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 633.734945][T10337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 633.734963][T10337] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 633.734991][T10337] the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 633.738731][T10337] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 633.738753][T10337] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 633.962043][T10325] loop1: detected capacity change from 0 to 32768 [ 634.077068][T10325] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 634.077093][T10325] CPU: 0 UID: 0 PID: 10325 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 634.077115][T10325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 634.077126][T10325] Call Trace: [ 634.077134][T10325] [ 634.077142][T10325] dump_stack_lvl+0xe8/0x150 [ 634.077179][T10325] sysfs_create_dir_ns+0x271/0x2a0 [ 634.077204][T10325] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 634.077231][T10325] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 634.077257][T10325] ? rt_spin_unlock+0x160/0x200 [ 634.077284][T10325] kobject_add_internal+0x631/0xd10 [ 634.077316][T10325] kobject_init_and_add+0x12b/0x1a0 executing program [ 634.077344][T10325] ? __pfx_kobject_init_and_add+0x10/0x10 [ 634.077369][T10325] ? __raw_spin_lock_init+0x45/0x100 [ 634.077397][T10325] ? __init_swait_queue_head+0xa9/0x150 [ 634.077427][T10325] gfs2_sys_fs_add+0x257/0x480 [ 634.077450][T10325] ? is_dynamic_key+0x1ac/0x1c0 [ 634.077471][T10325] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 634.077502][T10325] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 634.077535][T10325] gfs2_fill_super+0x141c/0x2220 [ 634.077569][T10325] ? __pfx_gfs2_fill_super+0x10/0x10 executing program [ 634.077587][T10325] ? rt_spin_unlock+0x14f/0x200 [ 634.077615][T10325] ? sb_set_blocksize+0x11b/0x210 [ 634.077636][T10325] ? setup_bdev_super+0x4c1/0x5b0 [ 634.077665][T10325] get_tree_bdev_flags+0x431/0x4f0 [ 634.077691][T10325] ? __pfx_gfs2_fill_super+0x10/0x10 [ 634.077711][T10325] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 634.077734][T10325] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 634.077768][T10325] gfs2_get_tree+0x51/0x1e0 [ 634.077791][T10325] vfs_get_tree+0x92/0x2a0 [ 634.077818][T10325] do_new_mount+0x341/0xd30 [ 634.077837][T10325] ? apparmor_capable+0x126/0x170 [ 634.077879][T10325] ? __pfx_do_new_mount+0x10/0x10 [ 634.077900][T10325] ? ns_capable+0x89/0xe0 [ 634.077928][T10325] ? user_path_at+0xd4/0x160 [ 634.077956][T10325] ? user_path_at+0xd4/0x160 [ 634.077982][T10325] __se_sys_mount+0x31d/0x420 [ 634.078009][T10325] ? __pfx___se_sys_mount+0x10/0x10 [ 634.078037][T10325] ? __x64_sys_mount+0x20/0xc0 [ 634.078058][T10325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 634.078077][T10325] do_syscall_64+0x15f/0xf80 [ 634.078097][T10325] ? trace_irq_disable+0x3b/0x140 [ 634.078123][T10325] ? clear_bhb_loop+0x40/0x90 [ 634.078145][T10325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 634.078164][T10325] RIP: 0033:0x7fc7fbf34d1a [ 634.078187][T10325] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 634.078203][T10325] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 634.078223][T10325] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 634.078237][T10325] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 634.078250][T10325] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 634.078263][T10325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 634.078275][T10325] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 634.078304][T10325] the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 634.096291][T10325] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 634.096315][T10325] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 634.465678][T10329] gfs2: fsid=syz:syz.0: found 1 quota changes [ 634.486972][T10329] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 634.563157][ T9110] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 634.563193][ T9110] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 634.563220][ T9110] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9110 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 634.563260][ T9110] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 634.563288][ T9110] CPU: 1 UID: 0 PID: 9110 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 634.563309][ T9110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 634.563320][ T9110] Call Trace: [ 634.563329][ T9110] [ 634.563338][ T9110] dump_stack_lvl+0xe8/0x150 [ 634.563364][ T9110] gfs2_withdraw+0xc3/0x1b0 [ 634.563387][ T9110] inode_go_instantiate+0xe69/0x12a0 [ 634.563416][ T9110] ? __pfx_inode_go_instantiate+0x10/0x10 [ 634.563434][ T9110] ? rt_spin_unlock+0x160/0x200 [ 634.563472][ T9110] gfs2_instantiate+0x168/0x220 [ 634.563495][ T9110] gfs2_glock_wait+0x1d7/0x2a0 [ 634.563520][ T9110] do_sync+0x49a/0xcb0 [ 634.563543][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 634.563574][ T9110] ? __pfx_do_sync+0x10/0x10 [ 634.563595][ T9110] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 634.563625][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 634.563648][ T9110] ? rt_spin_unlock+0x14f/0x200 [ 634.563676][ T9110] ? rt_spin_unlock+0x160/0x200 [ 634.563704][ T9110] gfs2_quota_sync+0x370/0x470 [ 634.563740][ T9110] gfs2_sync_fs+0x4c/0xb0 [ 634.563765][ T9110] sync_filesystem+0xed/0x250 [ 634.563794][ T9110] generic_shutdown_super+0x77/0x2d0 [ 634.563822][ T9110] kill_block_super+0x44/0x90 [ 634.563850][ T9110] deactivate_locked_super+0xbc/0x130 [ 634.563885][ T9110] cleanup_mnt+0x437/0x4d0 [ 634.563911][ T9110] ? _raw_spin_unlock_irq+0x23/0x50 [ 634.563936][ T9110] task_work_run+0x1d9/0x270 [ 634.563961][ T9110] ? __pfx_task_work_run+0x10/0x10 [ 634.563994][ T9110] exit_to_user_mode_loop+0xed/0x4d0 [ 634.564012][ T9110] ? rcu_is_watching+0x15/0xb0 [ 634.564036][ T9110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 634.564057][ T9110] ? do_syscall_64+0x33e/0xf80 [ 634.564077][ T9110] ? trace_irq_disable+0x3b/0x140 [ 634.564104][ T9110] ? clear_bhb_loop+0x40/0x90 [ 634.564127][ T9110] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 634.564162][ T9110] [ 634.564170][ T9110] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 635.505656][T10342] loop4: detected capacity change from 0 to 32768 [ 635.530408][T10342] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 635.530429][T10342] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... executing program [ 635.626485][T10342] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 0ms [ 635.634981][ T9048] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 635.635002][ T9048] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 635.822319][ T9048] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 187ms [ 635.822576][ T9048] gfs2: fsid=syz:syz.0: jid=0: Done [ 635.827023][T10342] gfs2: fsid=syz:syz.0: first mount done, others may mount the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 636.114571][T10342] gfs2: fsid=syz:syz.0: found 1 quota changes [ 636.133316][T10342] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 636.230916][T10350] loop2: detected capacity change from 0 to 32768 [ 636.268814][T10350] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 636.268838][T10350] CPU: 1 UID: 0 PID: 10350 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 636.268861][T10350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 636.268872][T10350] Call Trace: [ 636.268881][T10350] [ 636.268889][T10350] dump_stack_lvl+0xe8/0x150 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 636.268920][T10350] sysfs_create_dir_ns+0x271/0x2a0 [ 636.268945][T10350] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 636.268972][T10350] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 636.268999][T10350] ? rt_spin_unlock+0x160/0x200 [ 636.269027][T10350] kobject_add_internal+0x631/0xd10 [ 636.269056][T10350] kobject_init_and_add+0x12b/0x1a0 [ 636.269081][T10350] ? __pfx_kobject_init_and_add+0x10/0x10 [ 636.269106][T10350] ? __raw_spin_lock_init+0x45/0x100 [ 636.269132][T10350] ? __init_swait_queue_head+0xa9/0x150 [ 636.269163][T10350] gfs2_sys_fs_add+0x257/0x480 [ 636.269184][T10350] ? is_dynamic_key+0x1ac/0x1c0 [ 636.269202][T10350] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 636.269233][T10350] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 636.269265][T10350] gfs2_fill_super+0x141c/0x2220 [ 636.269299][T10350] ? __pfx_gfs2_fill_super+0x10/0x10 [ 636.269317][T10350] ? rt_spin_unlock+0x14f/0x200 [ 636.269344][T10350] ? sb_set_blocksize+0x11b/0x210 [ 636.269364][T10350] ? setup_bdev_super+0x4c1/0x5b0 [ 636.269394][T10350] get_tree_bdev_flags+0x431/0x4f0 [ 636.269421][T10350] ? __pfx_gfs2_fill_super+0x10/0x10 [ 636.269439][T10350] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 636.269463][T10350] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 636.269498][T10350] gfs2_get_tree+0x51/0x1e0 [ 636.269519][T10350] vfs_get_tree+0x92/0x2a0 [ 636.269546][T10350] do_new_mount+0x341/0xd30 [ 636.269566][T10350] ? apparmor_capable+0x126/0x170 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 636.269592][T10350] ? __pfx_do_new_mount+0x10/0x10 [ 636.269613][T10350] ? ns_capable+0x89/0xe0 [ 636.269641][T10350] ? user_path_at+0xd4/0x160 [ 636.269668][T10350] ? user_path_at+0xd4/0x160 [ 636.269694][T10350] __se_sys_mount+0x31d/0x420 [ 636.269729][T10350] ? __pfx___se_sys_mount+0x10/0x10 [ 636.269756][T10350] ? __x64_sys_mount+0x20/0xc0 [ 636.269776][T10350] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 636.269796][T10350] do_syscall_64+0x15f/0xf80 [ 636.269816][T10350] ? trace_irq_disable+0x3b/0x140 [ 636.269842][T10350] ? clear_bhb_loop+0x40/0x90 [ 636.269864][T10350] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 636.269882][T10350] RIP: 0033:0x7fc7fbf34d1a [ 636.269900][T10350] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 636.269917][T10350] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 636.269936][T10350] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 636.269949][T10350] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 636.269960][T10350] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 636.269971][T10350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 636.269983][T10350] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 636.270009][T10350] executing program executing program executing program [ 636.270131][T10350] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 636.270146][T10350] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 636.300766][T10354] loop0: detected capacity change from 0 to 32768 [ 636.332707][ T9109] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 636.332740][ T9109] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 636.332768][ T9109] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9109 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 636.332824][ T9109] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 [ 636.332852][ T9109] CPU: 0 UID: 0 PID: 9109 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 636.332871][ T9109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 636.332881][ T9109] Call Trace: [ 636.332888][ T9109] [ 636.332896][ T9109] dump_stack_lvl+0xe8/0x150 [ 636.332921][ T9109] gfs2_withdraw+0xc3/0x1b0 [ 636.332948][ T9109] inode_go_instantiate+0xe69/0x12a0 [ 636.332979][ T9109] ? __pfx_bit_wait+0x10/0x10 [ 636.332999][ T9109] ? __pfx_inode_go_instantiate+0x10/0x10 [ 636.333013][ T9109] ? rt_spin_unlock+0x160/0x200 [ 636.333037][ T9109] ? __pfx_wake_bit_function+0x10/0x10 [ 636.333072][ T9109] gfs2_instantiate+0x168/0x220 [ 636.333096][ T9109] gfs2_glock_wait+0x1d7/0x2a0 [ 636.333120][ T9109] do_sync+0x49a/0xcb0 [ 636.333144][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 636.333177][ T9109] ? __pfx_do_sync+0x10/0x10 [ 636.333199][ T9109] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 636.333233][ T9109] ? gfs2_quota_sync+0x370/0x470 [ 636.333255][ T9109] ? rt_spin_unlock+0x14f/0x200 [ 636.333284][ T9109] ? rt_spin_unlock+0x160/0x200 [ 636.333309][ T9109] gfs2_quota_sync+0x370/0x470 [ 636.333344][ T9109] gfs2_sync_fs+0x4c/0xb0 [ 636.333370][ T9109] sync_filesystem+0xed/0x250 [ 636.333398][ T9109] generic_shutdown_super+0x77/0x2d0 [ 636.333426][ T9109] kill_block_super+0x44/0x90 [ 636.333453][ T9109] deactivate_locked_super+0xbc/0x130 [ 636.333479][ T9109] cleanup_mnt+0x437/0x4d0 [ 636.333504][ T9109] ? _raw_spin_unlock_irq+0x23/0x50 [ 636.333527][ T9109] task_work_run+0x1d9/0x270 [ 636.333551][ T9109] ? __pfx_task_work_run+0x10/0x10 [ 636.333582][ T9109] exit_to_user_mode_loop+0xed/0x4d0 [ 636.333599][ T9109] ? rcu_is_watching+0x15/0xb0 [ 636.333622][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 636.333642][ T9109] ? do_syscall_64+0x33e/0xf80 [ 636.333662][ T9109] ? trace_irq_disable+0x3b/0x140 [ 636.333689][ T9109] ? clear_bhb_loop+0x40/0x90 [ 636.333712][ T9109] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 636.333745][ T9109] [ 636.333753][ T9109] gfs2: fsid=syz:syz.0: about to withdraw this file system [ 636.379984][T10354] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 636.380007][T10354] CPU: 0 UID: 0 PID: 10354 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 636.380030][T10354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 636.380042][T10354] Call Trace: [ 636.380050][T10354] [ 636.380058][T10354] dump_stack_lvl+0xe8/0x150 [ 636.380089][T10354] sysfs_create_dir_ns+0x271/0x2a0 [ 636.380114][T10354] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 636.380140][T10354] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 636.380163][T10354] ? rt_spin_unlock+0x160/0x200 [ 636.380187][T10354] kobject_add_internal+0x631/0xd10 [ 636.380221][T10354] kobject_init_and_add+0x12b/0x1a0 [ 636.380249][T10354] ? __pfx_kobject_init_and_add+0x10/0x10 [ 636.380275][T10354] ? __raw_spin_lock_init+0x45/0x100 [ 636.380303][T10354] ? __init_swait_queue_head+0xa9/0x150 [ 636.380333][T10354] gfs2_sys_fs_add+0x257/0x480 [ 636.380357][T10354] ? is_dynamic_key+0x1ac/0x1c0 [ 636.380377][T10354] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 636.380409][T10354] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 636.380443][T10354] gfs2_fill_super+0x141c/0x2220 [ 636.380476][T10354] ? __pfx_gfs2_fill_super+0x10/0x10 [ 636.380493][T10354] ? rt_spin_unlock+0x14f/0x200 [ 636.380521][T10354] ? sb_set_blocksize+0x11b/0x210 [ 636.380541][T10354] ? setup_bdev_super+0x4c1/0x5b0 [ 636.380569][T10354] get_tree_bdev_flags+0x431/0x4f0 [ 636.380597][T10354] ? __pfx_gfs2_fill_super+0x10/0x10 [ 636.380615][T10354] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 636.380640][T10354] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 636.380675][T10354] gfs2_get_tree+0x51/0x1e0 [ 636.380699][T10354] vfs_get_tree+0x92/0x2a0 [ 636.380727][T10354] do_new_mount+0x341/0xd30 [ 636.380746][T10354] ? apparmor_capable+0x126/0x170 [ 636.380773][T10354] ? __pfx_do_new_mount+0x10/0x10 [ 636.380795][T10354] ? ns_capable+0x89/0xe0 [ 636.380825][T10354] ? user_path_at+0xd4/0x160 [ 636.380853][T10354] ? user_path_at+0xd4/0x160 [ 636.380879][T10354] __se_sys_mount+0x31d/0x420 [ 636.380905][T10354] ? __pfx___se_sys_mount+0x10/0x10 [ 636.380930][T10354] ? __x64_sys_mount+0x20/0xc0 [ 636.380951][T10354] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 636.380984][T10354] do_syscall_64+0x15f/0xf80 [ 636.381004][T10354] ? trace_irq_disable+0x3b/0x140 [ 636.381032][T10354] ? clear_bhb_loop+0x40/0x90 [ 636.381055][T10354] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 636.381074][T10354] RIP: 0033:0x7fc7fbf34d1a [ 636.381092][T10354] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 636.381108][T10354] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 636.381128][T10354] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 636.381142][T10354] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 636.381156][T10354] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 636.381168][T10354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 636.381180][T10354] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 636.381206][T10354] [ 636.391568][T10354] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 636.391590][T10354] gfs2: fsid=syz:syz: error -17 adding sysfs files [ 636.527257][T10356] loop1: detected capacity change from 0 to 32768 [ 636.547241][T10356] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 636.547265][T10356] CPU: 0 UID: 0 PID: 10356 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 636.547288][T10356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 636.547299][T10356] Call Trace: [ 636.547307][T10356] [ 636.547315][T10356] dump_stack_lvl+0xe8/0x150 [ 636.547345][T10356] sysfs_create_dir_ns+0x271/0x2a0 [ 636.547370][T10356] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 636.547397][T10356] ? __pfx_sysfs_create_dir_ns+0x10/0x10 [ 636.547423][T10356] ? rt_spin_unlock+0x160/0x200 [ 636.547450][T10356] kobject_add_internal+0x631/0xd10 [ 636.547482][T10356] kobject_init_and_add+0x12b/0x1a0 [ 636.547511][T10356] ? __pfx_kobject_init_and_add+0x10/0x10 [ 636.547537][T10356] ? __raw_spin_lock_init+0x45/0x100 [ 636.547565][T10356] ? __init_swait_queue_head+0xa9/0x150 [ 636.547595][T10356] gfs2_sys_fs_add+0x257/0x480 [ 636.547619][T10356] ? is_dynamic_key+0x1ac/0x1c0 [ 636.547638][T10356] ? __pfx_gfs2_sys_fs_add+0x10/0x10 [ 636.547669][T10356] ? __pfx_alloc_workqueue_noprof+0x10/0x10 [ 636.547703][T10356] gfs2_fill_super+0x141c/0x2220 [ 636.547742][T10356] ? __pfx_gfs2_fill_super+0x10/0x10 [ 636.547759][T10356] ? rt_spin_unlock+0x14f/0x200 [ 636.547787][T10356] ? sb_set_blocksize+0x11b/0x210 [ 636.547808][T10356] ? setup_bdev_super+0x4c1/0x5b0 [ 636.547838][T10356] get_tree_bdev_flags+0x431/0x4f0 [ 636.547865][T10356] ? __pfx_gfs2_fill_super+0x10/0x10 [ 636.547884][T10356] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 636.547915][T10356] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 636.547951][T10356] gfs2_get_tree+0x51/0x1e0 [ 636.547973][T10356] vfs_get_tree+0x92/0x2a0 [ 636.548000][T10356] do_new_mount+0x341/0xd30 [ 636.548021][T10356] ? apparmor_capable+0x126/0x170 [ 636.548047][T10356] ? __pfx_do_new_mount+0x10/0x10 [ 636.548068][T10356] ? ns_capable+0x89/0xe0 [ 636.548095][T10356] ? user_path_at+0xd4/0x160 [ 636.548123][T10356] ? user_path_at+0xd4/0x160 [ 636.548148][T10356] __se_sys_mount+0x31d/0x420 [ 636.548175][T10356] ? __pfx___se_sys_mount+0x10/0x10 [ 636.548202][T10356] ? __x64_sys_mount+0x20/0xc0 [ 636.548223][T10356] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 636.548242][T10356] do_syscall_64+0x15f/0xf80 [ 636.548262][T10356] ? trace_irq_disable+0x3b/0x140 [ 636.548288][T10356] ? clear_bhb_loop+0x40/0x90 [ 636.548310][T10356] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 636.548329][T10356] RIP: 0033:0x7fc7fbf34d1a [ 636.548346][T10356] Code: 48 c7 c2 d0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 636.548362][T10356] RSP: 002b:00007fc7fbeedff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 636.548381][T10356] RAX: ffffffffffffffda RBX: 00002000000124c0 RCX: 00007fc7fbf34d1a [ 636.548395][T10356] RDX: 00002000000124c0 RSI: 0000200000012500 RDI: 00007fc7fbeee050 [ 636.548408][T10356] RBP: 00007fc7fbeee050 R08: 00007fc7fbeee090 R09: 0000000000000000 [ 636.548420][T10356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500 [ 636.548432][T10356] R13: 00007fc7fbeee090 R14: 00000000000125c7 R15: 0000200000000180 [ 636.548460][T10356] [ 636.548496][T10356] kobject: kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory. [ 636.548512][T10356] gfs2: fsid=syz:syz: error -17 adding sysfs files executing program [ 638.068330][T10360] loop3: detected capacity change from 0 to 32768 [ 638.080391][T10360] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 638.080403][T10360] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 638.134858][T10360] gfs2: fsid=syz:syz.0: journal 0 mapped with 5 extents in 1ms [ 638.156439][ T9048] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 638.156475][ T9048] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 638.324845][ T9048] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 168ms [ 638.325109][ T9048] gfs2: fsid=syz:syz.0: jid=0: Done [ 638.326736][T10360] gfs2: fsid=syz:syz.0: first mount done, others may mount the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 638.594569][T10360] gfs2: fsid=syz:syz.0: found 1 quota changes [ 638.609989][T10360] gfs2: Unknown parameter '˙˙˙˙˙˙˙˙˙˙˙˙˙˙18446744073709551615˙˙˙˙š@­LqE:†‹ á艞Őt}˛0ü$‰' [ 638.783262][ T9110] gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 402 [ 638.783300][ T9110] gfs2: fsid=syz:syz.0: G: s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1 [ 638.783329][ T9110] gfs2: fsid=syz:syz.0: H: s:EX f:H e:0 p:9110 [syz-executor566] gfs2_quota_sync+0x370/0x470 [ 638.783371][ T9110] gfs2: fsid=syz:syz.0: I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0 the reproducer may not work as expected: binfmt_misc setup failed: write(/proc/sys/fs/binfmt_misc/register) failed [ 638.783398][ T9110] CPU: 1 UID: 0 PID: 9110 Comm: syz-executor566 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 638.783418][ T9110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 638.783429][ T9110] Call Trace: [ 638.783437][ T9110] [ 638.783446][ T9110] dump_stack_lvl+0xe8/0x150 [ 638.783473][ T9110] gfs2_withdraw+0xc3/0x1b0 [ 638.783494][ T9110] inode_go_instantiate+0xe69/0x12a0 [ 638.783521][ T9110] ? __pfx_bit_wait+0x10/0x10 [ 638.783542][ T9110] ? __pfx_inode_go_instantiate+0x10/0x10 [ 638.783560][ T9110] ? rt_spin_unlock+0x160/0x200 [ 638.783587][ T9110] ? __pfx_wake_bit_function+0x10/0x10 [ 638.783623][ T9110] gfs2_instantiate+0x168/0x220 [ 638.783647][ T9110] gfs2_glock_wait+0x1d7/0x2a0 [ 638.783672][ T9110] do_sync+0x49a/0xcb0 [ 638.783697][ T9110] ? gfs2_quota_sync+0x370/0x470 [ 638.783739][ T9110] ? __pfx_do_sync+0x10/0x10 [ 638.783762][ T9110] ? rt_mutex_slowunlock+0x4a7/0x8b0