syzbot

INFO: task syz-executor.4:15828 blocked for more than 143 seconds.
      Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:23888 pid:15828 tgid:15828 ppid:1      flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0xf15/0x5d00 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xe7/0x350 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+0x5b8/0x9c0 kernel/locking/mutex.c:752
 xt_find_table_lock+0x58/0x4f0 net/netfilter/x_tables.c:1243
 xt_request_find_table_lock+0x28/0xf0 net/netfilter/x_tables.c:1285
 get_info+0x19a/0x7c0 net/ipv4/netfilter/ip_tables.c:963
 do_ipt_get_ctl+0x16a/0xaa0 net/ipv4/netfilter/ip_tables.c:1659
 nf_getsockopt+0x79/0xe0 net/netfilter/nf_sockopt.c:116
 ip_getsockopt+0x18e/0x1e0 net/ipv4/ip_sockglue.c:1777
 tcp_getsockopt+0x9e/0x100 net/ipv4/tcp.c:4399
 do_sock_getsockopt+0x2e5/0x760 net/socket.c:2374
 __sys_getsockopt+0x1a1/0x270 net/socket.c:2403
 __do_sys_getsockopt net/socket.c:2413 [inline]
 __se_sys_getsockopt net/socket.c:2410 [inline]
 __x64_sys_getsockopt+0xbd/0x160 net/socket.c:2410
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f227607ea8a
RSP: 002b:00007ffeb7f3a328 EFLAGS: 00000242 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007ffeb7f3a350 RCX: 00007f227607ea8a
RDX: