INFO: task kworker/u4:1:12 blocked for more than 143 seconds.
      Not tainted syzkaller #0
 hfsplus_find_init+0x154/0x1d0 fs/hfsplus/bfind.c:28
 __writeback_inodes_wb+0x111/0x240 fs/fs-writeback.c:1987
 wb_check_background_flush fs/fs-writeback.c:2167 [inline]
 wb_do_writeback fs/fs-writeback.c:2255 [inline]
 wb_workfn+0xb32/0xe20 fs/fs-writeback.c:2282
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
INFO: task kworker/u4:3:48 blocked for more than 148 seconds.
      Not tainted syzkaller #0
 stack:23984 pid:48    ppid:2      flags:0x00004000
 __writeback_inodes_wb+0x111/0x240 fs/fs-writeback.c:1987
 wb_writeback+0x464/0xba0 fs/fs-writeback.c:2097
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152