syzbot

INFO: task syz-executor.4:7044 blocked for more than 143 seconds.
      Not tainted 6.1.92-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:27840 pid:7044  ppid:3567   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x142d/0x4550 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
 ip_mroute_setsockopt+0x15b/0x10c0 net/ipv4/ipmr.c:1369
 do_ip_setsockopt+0x5ae/0x3bb0 net/ipv4/ip_sockglue.c:950
 ip_setsockopt+0x5b/0x100 net/ipv4/ip_sockglue.c:1456