INFO: task syz.6.393:6199 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.6.393       state:D stack:28296 pid: 6199 ppid:  5558 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0x11bb/0x4390 kernel/sched/core.c:6395
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6537
 __mutex_lock_common+0xc71/0x2390 kernel/locking/mutex.c:669
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743
 hfsplus_find_init+0x150/0x1c0 fs/hfsplus/bfind.c:28
 __hfsplus_getxattr+0x2a3/0x7f0 fs/hfsplus/xattr.c:520
 hfsplus_getxattr+0x98/0xd0 fs/hfsplus/xattr.c:594
 __vfs_getxattr+0x395/0x3d0 fs/xattr.c:401
 cap_inode_need_killpriv+0x41/0x60 security/commoncap.c:301
 security_inode_need_killpriv+0x5e/0x90 security/security.c:1423
 dentry_needs_remove_privs+0x85/0xf0 fs/inode.c:1989
 do_truncate+0xfb/0x220 fs/open.c:57
 vfs_truncate+0x262/0x2f0 fs/open.c:111
 do_sys_truncate+0xdc/0x190 fs/open.c:134
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f3ecf0b2749
RSP: 002b:00007f3ecd2d7038 EFLAGS: 00000246
 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f3ecf309180 RCX: 00007f3ecf0b2749
RDX: 0000000000000000 RSI: 00000000000000d8 RDI: 0000200000000100
RBP: 00007f3ecf136f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3ecf309218 R14: 00007f3ecf309180 R15: 00007ffeedb9d618
 </TASK>

Showing all locks held in the system:
2 locks held by kworker/0:0/7:
 #0: 
ffff8880b903a358
 (
&rq->__lock
){-.-.}-{2:2}
, at: raw_spin_rq_lock_nested+0x26/0x140 kernel/sched/core.c:475
 #1: 
ffff8880b9027888
 (
&per_cpu_ptr(group->pcpu, cpu)->seq
){-.-.}-{0:0}
, at: psi_task_switch+0x4d6/0x810 kernel/sched/psi.c:891
4 locks held by kworker/u4:0/9:
 #0: ffff888018db2138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1
 #1: ffffc90000ce7d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285
 #2: 
ffff88807e51c0e0
 (
&type->s_umount_key
#57){++++}-{3:3}, at: trylock_super+0x1c/0xf0 fs/super.c:418
 #3: 
ffff88805ea020b0
 (
&tree->tree_lock
){+.+.}-{3:3}
, at: hfsplus_find_init+0x150/0x1c0 fs/hfsplus/bfind.c:28
2 locks held by kworker/1:0/21:
 #0: 
ffff888016872138
 (
(wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 kernel/workqueue.c:-1
 #1: ffffc90000db7d00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 kernel/workqueue.c:2285