Warning: Permanently added '10.128.0.180' (ECDSA) to the list of known hosts.
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syzkaller login: [  538.482200] sysfs: cannot create duplicate filename '/devices/virtual/bdi/7:0-fuseblk'
[  538.496059] ------------[ cut here ]------------
[  538.500843] WARNING: CPU: 0 PID: 8018 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26
[  538.509059] Kernel panic - not syncing: panic_on_warn set ...
[  538.509059] 
[  538.516416] CPU: 0 PID: 8018 Comm: syz-executor818 Not tainted 4.14.302-syzkaller #0
[  538.524285] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[  538.533628] Call Trace:
[  538.536210]  dump_stack+0x1b2/0x281
[  538.539838]  panic+0x1f9/0x42d
[  538.543027]  ? add_taint.cold+0x16/0x16
[  538.547001]  ? sysfs_warn_dup.cold+0x17/0x26
[  538.551409]  ? sysfs_warn_dup.cold+0x17/0x26
[  538.555812]  __warn.cold+0x20/0x44
[  538.559348]  ? ist_end_non_atomic+0x10/0x10
[  538.563669]  ? sysfs_warn_dup.cold+0x17/0x26
[  538.568078]  report_bug+0x208/0x250
[  538.571706]  do_error_trap+0x195/0x2d0
[  538.575594]  ? math_error+0x2d0/0x2d0
[  538.579394]  ? ___preempt_schedule+0x16/0x18
[  538.583804]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  538.588652]  invalid_op+0x1b/0x40
[  538.592113] RIP: 0010:sysfs_warn_dup.cold+0x17/0x26
[  538.597115] RSP: 0018:ffff8880b31577a0 EFLAGS: 00010282
[  538.602476] RAX: 000000000000004a RBX: ffff8880b33a0150 RCX: 0000000000000000
[  538.609786] RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed101662aeea
[  538.617046] RBP: ffff88809b7b2340 R08: 000000000000004a R09: 0000000000000000
[  538.624303] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880af206000
[  538.631576] R13: ffff8880a8ce2540 R14: ffff8880b33a0158 R15: ffff8880b33a1258
[  538.638838]  sysfs_create_dir_ns+0x16f/0x1d0
[  538.643226]  kobject_add_internal+0x28b/0x930
[  538.647697]  kobject_add+0x11f/0x180
[  538.651384]  ? kset_create_and_add+0x190/0x190
[  538.655963]  device_add+0x33f/0x15c0
[  538.659651]  ? rcu_lockdep_current_cpu_online+0xed/0x140
[  538.665076]  ? kfree_const+0x33/0x40
[  538.668762]  ? device_is_dependent+0x2a0/0x2a0
[  538.673341]  ? kfree+0x1f0/0x250
[  538.676688]  device_create_groups_vargs+0x1dc/0x250
[  538.681679]  device_create_vargs+0x3a/0x50
[  538.685895]  bdi_register_va.part.0+0x35/0x650
[  538.690539]  bdi_register_va+0x63/0x80
[  538.694401]  super_setup_bdi_name+0x123/0x220
[  538.698973]  ? kill_block_super+0xe0/0xe0
[  538.703094]  ? do_raw_spin_unlock+0x164/0x220
[  538.707568]  fuse_fill_super+0x937/0x15c0
[  538.711699]  ? fuse_get_root_inode+0xc0/0xc0
[  538.716086]  ? lock_downgrade+0x740/0x740
[  538.720227]  ? set_blocksize+0x125/0x380
[  538.724281]  mount_bdev+0x2b3/0x360
[  538.727888]  ? fuse_get_root_inode+0xc0/0xc0
[  538.732291]  mount_fs+0x92/0x2a0
[  538.735641]  vfs_kern_mount.part.0+0x5b/0x470
[  538.740113]  do_mount+0xe65/0x2a30
[  538.743630]  ? copy_mount_string+0x40/0x40
[  538.747844]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[  538.752846]  ? copy_mnt_ns+0xa30/0xa30
[  538.756717]  ? copy_mount_options+0x1fa/0x2f0
[  538.761222]  ? copy_mnt_ns+0xa30/0xa30
[  538.765089]  SyS_mount+0xa8/0x120
[  538.768527]  ? copy_mnt_ns+0xa30/0xa30
[  538.772397]  do_syscall_64+0x1d5/0x640
[  538.776281]  entry_SYSCALL_64_after_hwframe+0x5e/0xd3
[  538.781447] RIP: 0033:0x7fa472aae129
[  538.785132] RSP: 002b:00007fff85f2bfb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  538.792817] RAX: ffffffffffffffda RBX: 00007fff85f2bff0 RCX: 00007fa472aae129
[  538.800060] RDX: 0000000020000180 RSI: 0000000020000140 RDI: 0000000020000000
[  538.807306] RBP: 0000000000000000 R08: 00000000200001c0 R09: 0000000000000000
[  538.814558] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240
[  538.821807] R13: 0000000000000000 R14: 00007fff85f2bfdc R15: 00007fff85f2bfe0
[  538.829484] Kernel Offset: disabled
[  538.833165] Rebooting in 86400 seconds..