INFO: task syz-executor.0:6613 blocked for more than 143 seconds.
      Not tainted 6.9.0-syzkaller-08557-g30a92c9e3d6b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:27888 pid:6613  tgid:6611  ppid:5117   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 ip6mr_sk_init net/ipv6/ip6mr.c:1568 [inline]
 ip6_mroute_setsockopt+0x367/0x1340 net/ipv6/ip6mr.c:1682
 do_ipv6_setsockopt+0x48c/0x3630 net/ipv6/ipv6_sockglue.c:416
 ipv6_setsockopt+0x5c/0x1a0 net/ipv6/ipv6_sockglue.c:994
 rawv6_setsockopt+0x327/0x740 net/ipv6/raw.c:1054
 do_sock_setsockopt+0x3af/0x720 net/socket.c:2311
 __sys_setsockopt+0x1ae/0x250 net/socket.c:2334
 __do_sys_setsockopt net/socket.c:2343 [inline]
 __se_sys_setsockopt net/socket.c:2340 [inline]
 __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340