INFO: task kworker/u8:7:1080 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:7    state:D
 stack:22712 pid:1080  tgid:1080  ppid:2      task_flags:0x4208060 flags:0x00080000
 (flush-7:0)
 <TASK>
 __schedule_loop kernel/sched/core.c:6943 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6958
 hfsplus_cat_write_inode+0x1e6/0x820 fs/hfsplus/inode.c:592
 write_inode fs/fs-writeback.c:1582 [inline]
 __writeback_single_inode+0x786/0x11c0 fs/fs-writeback.c:1802
 writeback_sb_inodes+0x93a/0x1850 fs/fs-writeback.c:2030
 __writeback_inodes_wb+0x111/0x240 fs/fs-writeback.c:2107
 wb_writeback+0x43f/0xa90 fs/fs-writeback.c:2218
 wb_check_old_data_flush fs/fs-writeback.c:2322 [inline]
 wb_do_writeback fs/fs-writeback.c:2375 [inline]
 wb_workfn+0xace/0xed0 fs/fs-writeback.c:2403
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xa45/0x1670 kernel/workqueue.c:3346
 worker_thread+0xa57/0xfc0 kernel/workqueue.c:3427
 kthread+0x711/0x890 kernel/kthread.c:463
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task kworker/u8:7:1080 is blocked on a mutex likely owned by task syz.0.17:6435.
task:syz.0.17        state:R
  running task    
 stack:23720 pid:6435  tgid:6434  ppid:6329   task_flags:0x400140 flags:0x00080003
 context_switch kernel/sched/core.c:5253 [inline]
 __schedule+0x177d/0x4cb0 kernel/sched/core.c:6861
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 vprintk_emit+0x753/0x790 kernel/printk/printk.c:2424
 hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:60 [inline]
 hfsplus_bnode_dump+0x16b/0x8b0 fs/hfsplus/bnode.c:362