INFO: task syz-executor.4:4775 blocked for more than 157 seconds.
      Not tainted 5.16.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:25680 pid: 4775 ppid:  4753 flags:0x00000000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4972 [inline]
 __schedule+0xa9a/0x4940 kernel/sched/core.c:6253
 schedule+0xd2/0x260 kernel/sched/core.c:6326
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
 __mutex_lock_common kernel/locking/mutex.c:680 [inline]
 __mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
 cgroup_css_set_fork kernel/cgroup/cgroup.c:6090 [inline]
 cgroup_can_fork+0x888/0xeb0 kernel/cgroup/cgroup.c:6206
 copy_process+0x3636/0x75a0 kernel/fork.c:2292
 kernel_clone+0xe7/0xab0 kernel/fork.c:2582
 __do_sys_clone3+0x1ca/0x2e0 kernel/fork.c:2857
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9896503e99
RSP: 002b:00007f9894e79168 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f9896616f60 RCX: 00007f9896503e99
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000080