Warning: Permanently added '10.128.0.15' (ECDSA) to the list of known hosts.
[   50.136724] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[   50.151891] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   50.166486] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[   50.177138] ------------[ cut here ]------------
[   50.181995] WARNING: CPU: 1 PID: 7976 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26
[   50.184092] gfs2: fsid=syz:syz: Now mounting FS...
[   50.190207] Kernel panic - not syncing: panic_on_warn set ...
[   50.190207] 
[   50.190216] CPU: 1 PID: 7976 Comm: syz-executor165 Not tainted 4.14.302-syzkaller #0
[   50.190221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   50.190224] Call Trace:
[   50.190239]  dump_stack+0x1b2/0x281
[   50.190248]  panic+0x1f9/0x42d
[   50.190255]  ? add_taint.cold+0x16/0x16
[   50.190265]  ? sysfs_warn_dup.cold+0x17/0x26
[   50.190274]  ? sysfs_warn_dup.cold+0x17/0x26
[   50.241715]  __warn.cold+0x20/0x44
[   50.245232]  ? ist_end_non_atomic+0x10/0x10
[   50.249529]  ? sysfs_warn_dup.cold+0x17/0x26
[   50.253911]  report_bug+0x208/0x250
[   50.257515]  do_error_trap+0x195/0x2d0
[   50.261377]  ? math_error+0x2d0/0x2d0
[   50.265154]  ? ___preempt_schedule+0x16/0x18
[   50.269539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   50.274359]  invalid_op+0x1b/0x40
[   50.277789] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26
[   50.282777] RSP: 0018:ffff8880967d7728 EFLAGS: 00010282
[   50.288117] RAX: 000000000000003a RBX: ffff8880988e9d50 RCX: 0000000000000000
[   50.295362] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed1012cfaedb
[   50.302615] RBP: ffff8880b2ad61c0 R08: 000000000000003a R09: 0000000000000000
[   50.309858] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0855380
[   50.317104] R13: ffff8880b2ba7200 R14: ffff8880988e9d58 R15: ffff888097fa5d18
[   50.324361]  ? sysfs_warn_dup.cold+0x17/0x26
[   50.328744]  sysfs_create_dir_ns+0x16f/0x1d0
[   50.333129]  kobject_add_internal+0x28b/0x930
[   50.337603]  kobject_init_and_add+0xde/0x120
[   50.341992]  ? kobject_create_and_add+0x200/0x200
[   50.346810]  ? vsnprintf+0x260/0x1340
[   50.350589]  gfs2_sys_fs_add+0x184/0x3f0
[   50.354714]  ? recover_store+0x100/0x100
[   50.358754]  ? snprintf+0xa5/0xd0
[   50.362185]  ? strscpy+0x94/0x280
[   50.365614]  fill_super+0x118b/0x2310
[   50.369417]  ? vsnprintf+0x260/0x1340
[   50.373196]  ? gfs2_online_uevent+0x1b0/0x1b0
[   50.377679]  ? pointer+0x9e0/0x9e0
[   50.381203]  ? snprintf+0xa5/0xd0
[   50.384633]  ? vsprintf+0x30/0x30
[   50.388066]  ? gfs2_open+0x160/0x160
[   50.391763]  ? set_blocksize+0x125/0x380
[   50.395806]  gfs2_mount+0x439/0x510
[   50.399409]  ? fill_super+0x2310/0x2310
[   50.403373]  ? alloc_pages_current+0x15d/0x260
[   50.407930]  ? __lockdep_init_map+0x100/0x560
[   50.412405]  mount_fs+0x92/0x2a0
[   50.415750]  vfs_kern_mount.part.0+0x5b/0x470
[   50.420228]  do_mount+0xe65/0x2a30
[   50.423747]  ? copy_mount_string+0x40/0x40
[   50.427956]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   50.432947]  ? copy_mnt_ns+0xa30/0xa30
[   50.436808]  ? copy_mount_options+0x1fa/0x2f0
[   50.441278]  ? copy_mnt_ns+0xa30/0xa30
[   50.445232]  SyS_mount+0xa8/0x120
[   50.448661]  ? copy_mnt_ns+0xa30/0xa30
[   50.452528]  do_syscall_64+0x1d5/0x640
[   50.456398]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[   50.461562] RIP: 0033:0x7fadbe03a6ba
[   50.465248] RSP: 002b:00007ffcbd4babb8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
[   50.472932] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fadbe03a6ba
[   50.480177] RDX: 0000000020021180 RSI: 00000000200211c0 RDI: 00007ffcbd4babd0
[   50.487422] RBP: 00007ffcbd4babd0 R08: 00007ffcbd4bac10 R09: 0000000000000002
[   50.494691] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004
[   50.501937] R13: 00005555571df2c0 R14: 0000000000000000 R15: 00007ffcbd4bac10
[   50.509414] Kernel Offset: disabled
[   50.513056] Rebooting in 86400 seconds..