Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts. [ 33.228263] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 33.235477] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 33.237952] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 33.250160] ------------[ cut here ]------------ [ 33.254929] WARNING: CPU: 1 PID: 8001 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 33.262268] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz' [ 33.263150] Kernel panic - not syncing: panic_on_warn set ... [ 33.263150] [ 33.277137] CPU: 1 PID: 8001 Comm: syz-executor353 Not tainted 4.14.301-syzkaller #0 [ 33.285011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 33.294351] Call Trace: [ 33.296052] ------------[ cut here ]------------ [ 33.296925] dump_stack+0x1b2/0x281 [ 33.301672] WARNING: CPU: 0 PID: 7997 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 [ 33.305266] panic+0x1f9/0x42d [ 33.313459] Modules linked in: [ 33.316626] ? add_taint.cold+0x16/0x16 [ 33.316637] ? sysfs_warn_dup.cold+0x17/0x26 [ 33.319799] CPU: 0 PID: 7997 Comm: syz-executor353 Not tainted 4.14.301-syzkaller #0 [ 33.323744] ? sysfs_warn_dup.cold+0x17/0x26 [ 33.328118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 33.335973] __warn.cold+0x20/0x44 [ 33.340351] task: ffff888096a88680 task.stack: ffff888095858000 [ 33.349682] ? ist_end_non_atomic+0x10/0x10 [ 33.353193] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 33.359218] ? sysfs_warn_dup.cold+0x17/0x26 [ 33.363506] RSP: 0018:ffff88809585f728 EFLAGS: 00010282 [ 33.368495] report_bug+0x208/0x250 [ 33.378206] do_error_trap+0x195/0x2d0 [ 33.381806] RAX: 000000000000003a RBX: ffff8880b2c3db10 RCX: 0000000000000000 [ 33.381814] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012b0bedb [ 33.385691] ? math_error+0x2d0/0x2d0 [ 33.392937] RBP: ffff8880a0beee40 R08: 000000000000003a R09: 0000000000000001 [ 33.400184] ? ___preempt_schedule+0x16/0x18 [ 33.403946] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b08299a0 [ 33.411196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.415566] R13: ffff8880a9e88cc0 R14: ffff8880b2c3db18 R15: ffff8880b3379ad8 [ 33.422812] invalid_op+0x1b/0x40 [ 33.427620] FS: 0000555556441300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 33.434862] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 [ 33.438282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.446479] RSP: 0018:ffff88809587f728 EFLAGS: 00010282 [ 33.451467] CR2: 00007f2910486de0 CR3: 00000000abe7e000 CR4: 00000000003406f0 [ 33.462652] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.469892] RAX: 000000000000003a RBX: ffff888095ae1a90 RCX: 0000000000000000 [ 33.469898] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012b0fedb [ 33.477137] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.477141] Call Trace: [ 33.484385] RBP: ffff8880a3832100 R08: 000000000000003a R09: 0000000000000000 [ 33.491634] sysfs_create_dir_ns+0x16f/0x1d0 [ 33.498871] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b08299a0 [ 33.501431] kobject_add_internal+0x28b/0x930 [ 33.508686] R13: ffff8880a19adc40 R14: ffff888095ae1a98 R15: ffff888095ae9a58 [ 33.513084] kobject_init_and_add+0xde/0x120 [ 33.520342] ? sysfs_warn_dup.cold+0x17/0x26 [ 33.524811] ? kobject_create_and_add+0x200/0x200 [ 33.532063] sysfs_create_dir_ns+0x16f/0x1d0 [ 33.536443] ? vsnprintf+0x260/0x1340 [ 33.540822] kobject_add_internal+0x28b/0x930 [ 33.545636] gfs2_sys_fs_add+0x184/0x3f0 [ 33.550015] kobject_init_and_add+0xde/0x120 [ 33.553785] ? recover_store+0x100/0x100 [ 33.558254] ? kobject_create_and_add+0x200/0x200 [ 33.562284] ? snprintf+0xa5/0xd0 [ 33.566664] ? vsnprintf+0x260/0x1340 [ 33.570699] ? strscpy+0x94/0x280 [ 33.575513] gfs2_sys_fs_add+0x184/0x3f0 [ 33.578934] fill_super+0x118b/0x2310 [ 33.582703] ? recover_store+0x100/0x100 [ 33.586126] ? vsnprintf+0x260/0x1340 [ 33.590154] ? snprintf+0xa5/0xd0 [ 33.593926] ? gfs2_online_uevent+0x1b0/0x1b0 [ 33.597961] ? strscpy+0x94/0x280 [ 33.601728] ? pointer+0x9e0/0x9e0 [ 33.605157] fill_super+0x118b/0x2310 [ 33.609624] ? snprintf+0xa5/0xd0 [ 33.613048] ? vsnprintf+0x260/0x1340 [ 33.616557] ? vsprintf+0x30/0x30 [ 33.620328] ? gfs2_online_uevent+0x1b0/0x1b0 [ 33.623750] ? gfs2_open+0x160/0x160 [ 33.627520] ? pointer+0x9e0/0x9e0 [ 33.630950] ? set_blocksize+0x125/0x380 [ 33.635415] ? snprintf+0xa5/0xd0 [ 33.639102] gfs2_mount+0x439/0x510 [ 33.642611] ? vsprintf+0x30/0x30 [ 33.646644] ? fill_super+0x2310/0x2310 [ 33.650068] ? gfs2_open+0x160/0x160 [ 33.653679] ? alloc_pages_current+0x15d/0x260 [ 33.657092] ? set_blocksize+0x125/0x380 [ 33.661040] ? __lockdep_init_map+0x100/0x560 [ 33.664725] gfs2_mount+0x439/0x510 [ 33.669274] mount_fs+0x92/0x2a0 [ 33.673307] ? fill_super+0x2310/0x2310 [ 33.677775] vfs_kern_mount.part.0+0x5b/0x470 [ 33.681381] ? alloc_pages_current+0x15d/0x260 [ 33.684708] do_mount+0xe65/0x2a30 [ 33.688648] ? __lockdep_init_map+0x100/0x560 [ 33.693111] ? do_raw_spin_unlock+0x164/0x220 [ 33.697663] mount_fs+0x92/0x2a0 [ 33.701175] ? copy_mount_string+0x40/0x40 [ 33.705637] vfs_kern_mount.part.0+0x5b/0x470 [ 33.710101] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.713437] do_mount+0xe65/0x2a30 [ 33.717641] ? copy_mnt_ns+0xa30/0xa30 [ 33.722108] ? do_raw_spin_unlock+0x164/0x220 [ 33.727096] ? copy_mount_options+0x1fa/0x2f0 [ 33.730607] ? copy_mount_string+0x40/0x40 [ 33.734464] ? copy_mnt_ns+0xa30/0xa30 [ 33.738933] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 33.743396] SyS_mount+0xa8/0x120 [ 33.747599] ? copy_mnt_ns+0xa30/0xa30 [ 33.751456] ? copy_mnt_ns+0xa30/0xa30 [ 33.756445] ? copy_mount_options+0x1fa/0x2f0 [ 33.759868] do_syscall_64+0x1d5/0x640 [ 33.763726] ? copy_mnt_ns+0xa30/0xa30 [ 33.767589] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 33.772048] SyS_mount+0xa8/0x120 [ 33.775906] RIP: 0033:0x7f88877fd6aa [ 33.779763] ? copy_mnt_ns+0xa30/0xa30 [ 33.784921] RSP: 002b:00007ffcf04bc678 EFLAGS: 00000282 [ 33.788347] do_syscall_64+0x1d5/0x640 [ 33.792029] ORIG_RAX: 00000000000000a5 [ 33.795894] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 33.801225] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f88877fd6aa [ 33.805085] RIP: 0033:0x7f88877fd6aa [ 33.809030] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007ffcf04bc680 [ 33.814187] RSP: 002b:00007ffcf04bc678 EFLAGS: 00000282 [ 33.821428] RBP: 00007ffcf04bc680 R08: 00007ffcf04bc6c0 R09: 0000000000000002 [ 33.825109] ORIG_RAX: 00000000000000a5 [ 33.832351] R10: 000000000020400f R11: 0000000000000282 R12: 0000000000000004 [ 33.832357] R13: 00005555564412c0 R14: 00007ffcf04bc6c0 R15: 0000000000000000 [ 33.837689] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f88877fd6aa [ 33.844936] Code: [ 33.848876] RDX: 00000000200124c0 RSI: 0000000020012500 RDI: 00007ffcf04bc680 [ 33.856118] bd [ 33.863363] RBP: 00007ffcf04bc680 R08: 00007ffcf04bc6c0 R09: 0000000000000002 [ 33.870602] ea [ 33.872726] R10: 000000000020400f R11: 0000000000000282 R12: 0000000000000004 [ 33.879968] ff [ 33.881829] R13: 00005555564412c0 R14: 00007ffcf04bc6c0 R15: 0000000000000000 [ 33.889070] ff ff e9 9f c3 9f fa 4c 89 ff e8 d4 e0 7a fa eb da e8 cd 1f 51 fa 4c 89 ea 48 89 ee 48 c7 c7 80 c4 95 87 e8 e5 fb fe ff <0f> 0b 48 89 ef 5d 41 5c 41 5d e9 ac b6 7a fa e8 a7 1f 51 fa 4d [ 33.925165] ---[ end trace 709b8d094737b573 ]--- [ 33.930055] Kernel Offset: disabled [ 33.933701] Rebooting in 86400 seconds..