[   10.364135][ T3980] 8021q: adding VLAN 0 to HW filter on device bond0
[   10.367109][ T3980] eql: remember to turn off Van-Jacobson compression on your slave devices
[   10.403866][  T103] gvnic 0000:00:00.0 enp0s0: Device link is up.
[   10.405743][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   30.086989][ T4395] loop0: detected capacity change from 0 to 64
[   30.096129][  T103] 
[   30.096765][  T103] ============================================
[   30.098354][  T103] WARNING: possible recursive locking detected
[   30.099981][  T103] 6.2.0-rc4-syzkaller-16807-gedb2f0dc90f2 #0 Not tainted
[   30.101885][  T103] --------------------------------------------
[   30.103526][  T103] kworker/u4:3/103 is trying to acquire lock:
[   30.105178][  T103] ffff0000c7f8c0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0xac/0xcc
[   30.107626][  T103] 
[   30.107626][  T103] but task is already holding lock:
[   30.109577][  T103] ffff0000c7f8c0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0xac/0xcc
[   30.112042][  T103] 
[   30.112042][  T103] other info that might help us debug this:
[   30.114235][  T103]  Possible unsafe locking scenario:
[   30.114235][  T103] 
[   30.116281][  T103]        CPU0
[   30.117162][  T103]        ----
[   30.118045][  T103]   lock(&tree->tree_lock/1);
[   30.119296][  T103]   lock(&tree->tree_lock/1);
[   30.120516][  T103] 
[   30.120516][  T103]  *** DEADLOCK ***
[   30.120516][  T103] 
[   30.122665][  T103]  May be due to missing lock nesting notation
[   30.122665][  T103] 
[   30.124896][  T103] 4 locks held by kworker/u4:3/103:
[   30.126302][  T103]  #0: ffff0000c0250138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x270/0x504
[   30.129060][  T103]  #1: ffff80000f90bd80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504
[   30.132247][  T103]  #2: ffff0000c7f8c0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0xac/0xcc
[   30.134775][  T103]  #3: ffff0000cc2500f8 (&HFS_I(tree->inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0x54/0x740
[   30.137744][  T103] 
[   30.137744][  T103] stack backtrace:
[   30.139319][  T103] CPU: 1 PID: 103 Comm: kworker/u4:3 Not tainted 6.2.0-rc4-syzkaller-16807-gedb2f0dc90f2 #0
[   30.141987][  T103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   30.144609][  T103] Workqueue: writeback wb_workfn (flush-7:0)
[   30.146182][  T103] Call trace:
[   30.147035][  T103]  dump_backtrace+0x1c4/0x1f0
[   30.148276][  T103]  show_stack+0x2c/0x3c
[   30.149374][  T103]  dump_stack_lvl+0x104/0x16c
[   30.150653][  T103]  dump_stack+0x1c/0x58
[   30.151755][  T103]  __lock_acquire+0x808/0x3084
[   30.153046][  T103]  lock_acquire+0x100/0x1f8
[   30.154283][  T103]  __mutex_lock_common+0xd4/0xca8
[   30.155639][  T103]  mutex_lock_nested+0x38/0x44
[   30.156879][  T103]  hfs_find_init+0xac/0xcc
[   30.158074][  T103]  hfs_extend_file+0x120/0x740
[   30.159356][  T103]  hfs_bmap_reserve+0x44/0xe8
[   30.160614][  T103]  __hfs_ext_write_extent+0xb8/0x138
[   30.162035][  T103]  hfs_ext_write_extent+0x9c/0xd8
[   30.163467][  T103]  hfs_write_inode+0x68/0x478
[   30.164767][  T103]  __writeback_single_inode+0x240/0x2e4
[   30.166272][  T103]  writeback_sb_inodes+0x308/0x678
[   30.167624][  T103]  wb_writeback+0x198/0x328
[   30.168808][  T103]  wb_do_writeback+0xc8/0x384
[   30.170054][  T103]  wb_workfn+0x70/0x15c
[   30.171179][  T103]  process_one_work+0x2d8/0x504
[   30.172463][  T103]  worker_thread+0x340/0x610
[   30.173741][  T103]  kthread+0x12c/0x158
[   30.174841][  T103]  ret_from_fork+0x10/0x20