INFO: task syz.4.639:11730 blocked for more than 143 seconds.
      Not tainted 6.16.0-rc5-syzkaller-00025-gd006330be3f7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.639       state:D
 stack:27752 pid:11730 tgid:11687 ppid:11027  task_flags:0x400140 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5401 [inline]
 __schedule+0x16a2/0x4cb0 kernel/sched/core.c:6790
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa78218e929
RSP: 002b:00007fa782f23038 EFLAGS: 00000246
 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa7823b6080 RCX: 00007fa78218e929
RDX: 0000000000042042 RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007fa782210b39 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000014a R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fa7823b6080 R15: 00007fff27a774d8
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: 
ffffffff8e13f160
 (
rcu_read_lock
){....}-{1:3}
, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6770