INFO: task syz-executor.1:8277 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.1  state:D stack:28496 pid:8277  tgid:8261  ppid:5111   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
 ip_mroute_setsockopt+0x15b/0x1190 net/ipv4/ipmr.c:1369
 do_ip_setsockopt+0x129f/0x3cd0 net/ipv4/ip_sockglue.c:948
 ip_setsockopt+0x63/0x100 net/ipv4/ip_sockglue.c:1417
 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
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2b8cc7cee9
RSP: 002b:00007f2b8c7bd0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f2b8cdac1f0 RCX: 00007f2b8cc7cee9
RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f2b8ccc949e R08: 0000000000000010 R09: 0000000000000000
R10: 00000000200000c0 R11: 0000000000000246 R12: 0000000000000000