INFO: task syz.3.2029:18098 blocked for more than 429 seconds.
      Not tainted 6.13.0-rc2-syzkaller-g21f1b85c8912 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.2029      state:D stack:0     pid:18098 tgid:18097 ppid:16472  flags:0x0000000c
Call Trace:
[<ffffffff861cbf70>] context_switch kernel/sched/core.c:5369 [inline]
[<ffffffff861cbf70>] __schedule+0xdaa/0x393a kernel/sched/core.c:6756
[<ffffffff861cebc4>] __schedule_loop kernel/sched/core.c:6833 [inline]
[<ffffffff861cebc4>] schedule+0xc4/0x324 kernel/sched/core.c:6848
[<ffffffff861e2236>] schedule_timeout+0x1c6/0x28a kernel/time/sleep_timeout.c:75
[<ffffffff861d06a8>] do_wait_for_common kernel/sched/completion.c:95 [inline]
[<ffffffff861d06a8>] __wait_for_common+0x1ca/0x4b6 kernel/sched/completion.c:116
[<ffffffff861d09ae>] wait_for_common kernel/sched/completion.c:127 [inline]
[<ffffffff861d09ae>] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:148
[<ffffffff801aee54>] __flush_work+0x5ee/0xcba kernel/workqueue.c:4231
[<ffffffff801b0b32>] __cancel_work_sync+0x136/0x15a kernel/workqueue.c:4351
[<ffffffff801b4e46>] cancel_delayed_work_sync+0x1c/0x26 kernel/workqueue.c:4425
[<ffffffff85502c0a>] htable_put.part.0+0x1a0/0x278 net/netfilter/xt_hashlimit.c:429
[<ffffffff85504f66>] htable_put net/netfilter/xt_hashlimit.c:424 [inline]
[<ffffffff85504f66>] hashlimit_mt_destroy+0x7e/0xa6 net/netfilter/xt_hashlimit.c:977
[<ffffffff85b14d12>] cleanup_match net/ipv6/netfilter/ip6_tables.c:477 [inline]
[<ffffffff85b14d12>] find_check_entry.constprop.0+0x47a/0x8e4 net/ipv6/netfilter/ip6_tables.c:581
[<ffffffff85b16808>] translate_table+0xc28/0x15da net/ipv6/netfilter/ip6_tables.c:733
[<ffffffff85b1c8c8>] do_replace+0x2f8/0x432 net/ipv4/netfilter/ip_tables.c:1137
[<ffffffff85b1cda0>] do_ip6t_set_ctl+0x39e/0x916 net/ipv6/netfilter/ip6_tables.c:1644
[<ffffffff8532fdf6>] nf_setsockopt+0x78/0xda net/netfilter/nf_sockopt.c:101
[<ffffffff859eff72>] ipv6_setsockopt+0x13c/0x16e net/ipv6/ipv6_sockglue.c:998
[<ffffffff85a18e42>] rawv6_setsockopt+0xe8/0x64c net/ipv6/raw.c:1054
[<ffffffff84e75a40>] sock_common_setsockopt+0x90/0xc0 net/core/sock.c:3814
[<ffffffff84e66fe2>] do_sock_setsockopt+0x208/0x400 net/socket.c:2313
[<ffffffff84e72420>] __sys_setsockopt+0x140/0x1cc net/socket.c:2338
[<ffffffff84e72552>] __do_sys_setsockopt net/socket.c:2344 [inline]
[<ffffffff84e72552>] __se_sys_setsockopt net/socket.c:2341 [inline]
[<ffffffff84e72552>] __riscv_sys_setsockopt+0xa6/0x114 net/socket.c:2341
[<ffffffff80070302>] syscall_handler+0x94/0x118 arch/riscv/include/asm/syscall.h:90
[<ffffffff861c1fae>] do_trap_ecall_u+0x1aa/0x216 arch/riscv/kernel/traps.c:331
[<ffffffff861e652a>] _new_vmalloc_restore_context_a0+0xc2/0xce

Showing all locks held in the system:
1 lock held by khungtaskd/37:
 #0: ffffffff881d0c40 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x68/0x2e6 kernel/locking/lockdep.c:6740
1 lock held by syslogd/2972:
1 lock held by klogd/2976:
2 locks held by getty/3126:
 #0: ff6000001cd0d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340
 #1: ff2000000008b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xd7c/0x129a drivers/tty/n_tty.c:2211
1 lock held by syz-executor/3158:
2 locks held by kworker/u10:6/16020:
3 locks held by kworker/u9:21/16042:
3 locks held by kworker/u10:16/17178:
3 locks held by kworker/u9:5/17190:
2 locks held by kworker/u10:26/17204:
 #0: ff60000011471148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f38 kernel/workqueue.c:3204
 #1: ff200000016e7c90 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f38 kernel/workqueue.c:3204
2 locks held by kworker/u9:33/17426:
 #0: ff60000011471148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f38 kernel/workqueue.c:3204
 #1: ff20000000e97c90 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f38 kernel/workqueue.c:3204
3 locks held by kworker/0:2/17857:
2 locks held by kworker/1:0/17906:
5 locks held by kworker/u8:1/18834:
4 locks held by modprobe/18901:
1 lock held by modprobe/18902:

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.13.0-rc2-syzkaller-g21f1b85c8912 #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff80071bae>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:130
[<ffffffff8000325c>] show_stack+0x30/0x3c arch/riscv/kernel/stacktrace.c:136
[<ffffffff8005e1f4>] __dump_stack lib/dump_stack.c:94 [inline]
[<ffffffff8005e1f4>] dump_stack_lvl+0x12e/0x1a6 lib/dump_stack.c:120
[<ffffffff8005e288>] dump_stack+0x1c/0x24 lib/dump_stack.c:129
[<ffffffff86185c28>] nmi_cpu_backtrace+0x3b0/0x3b2 lib/nmi_backtrace.c:113
[<ffffffff86185ee0>] nmi_trigger_cpumask_backtrace+0x2b6/0x458 lib/nmi_backtrace.c:62
[<ffffffff8007c972>] arch_trigger_cpumask_backtrace+0x2c/0x3e arch/riscv/kernel/smp.c:347
[<ffffffff804b88b8>] trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
[<ffffffff804b88b8>] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline]
[<ffffffff804b88b8>] watchdog+0xcee/0x1170 kernel/hung_task.c:397
[<ffffffff801c6f2c>] kthread+0x28c/0x3a4 kernel/kthread.c:389
[<ffffffff861e6642>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:326
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 18074 Comm: syz-executor Not tainted 6.13.0-rc2-syzkaller-g21f1b85c8912 #0
Hardware name: riscv-virtio,qemu (DT)
epc : spin_lock include/linux/spinlock.h:351 [inline]
epc : garp_join_timer+0x1e/0xfa net/802/garp.c:419
 ra : garp_join_timer+0x1e/0xfa net/802/garp.c:417
epc : ffffffff850edd84 ra : ffffffff850edd84 sp : ff20000000007a10
 gp : ffffffff899f4f80 tp : ff60000018f91a40 t0 : 745557fd5c3e7e07
 t1 : ff60000018f92588 t2 : 000000000000054d s0 : ff20000000007a40
 s1 : ff20000000007a90 a0 : ff60000031510410 a1 : 0000000000000000
 a2 : 0000000000f00000 a3 : ffffffff850edd84 a4 : 0000000000000000
 a5 : ff60000018f91a40 a6 : 0000000000f00000 a7 : 00000000077505f2
 s2 : ff60000031510410 s3 : 0000000000000100 s4 : ff60000031510460
 s5 : ffffffff89afa7c0 s6 : 0000000000000000 s7 : ffffffff850edd66
 s8 : 1fe4000000000f4c s9 : ffffffff89afa7c0 s10: 1ffffffff135f4f8
 s11: ff20000000007c80 t3 : ff60000018f92560 t4 : 1fec0000031f24ab
 t5 : 1fec0000031f24b5 t6 : 000000000000000f
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff850edd84>] garp_join_timer+0x1e/0xfa net/802/garp.c:417
[<ffffffff803b3c5e>] call_timer_fn+0x1fc/0xaae kernel/time/timer.c:1793
[<ffffffff803b5928>] expire_timers kernel/time/timer.c:1844 [inline]
[<ffffffff803b5928>] __run_timers+0x6ea/0x8d8 kernel/time/timer.c:2418
[<ffffffff803b5c4c>] __run_timer_base kernel/time/timer.c:2430 [inline]
[<ffffffff803b5c4c>] __run_timer_base kernel/time/timer.c:2422 [inline]
[<ffffffff803b5c4c>] run_timer_base+0x136/0x1b6 kernel/time/timer.c:2439
[<ffffffff803b5ce8>] run_timer_softirq+0x1c/0x54 kernel/time/timer.c:2449
[<ffffffff8014ce16>] handle_softirqs+0x4b2/0x132e kernel/softirq.c:554
[<ffffffff8014df62>] __do_softirq kernel/softirq.c:588 [inline]
[<ffffffff8014df62>] invoke_softirq kernel/softirq.c:428 [inline]
[<ffffffff8014df62>] __irq_exit_rcu+0x18c/0x550 kernel/softirq.c:655
[<ffffffff8014f31c>] irq_exit_rcu+0x10/0xf8 kernel/softirq.c:671
[<ffffffff861c1858>] handle_riscv_irq+0x40/0x4c arch/riscv/kernel/traps.c:378
[<ffffffff861e667e>] call_on_irq_stack+0x32/0x40 arch/riscv/kernel/entry.S:355