INFO: task syz.0.3154:19844 blocked for more than 430 seconds.
      Not tainted 6.12.0-rc6-syzkaller-g57f7c7dc78cd #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.3154      state:D stack:0     pid:19844 tgid:19843 ppid:15649  flags:0x00000006
Call Trace:
[<ffffffff85fe99a2>] context_switch kernel/sched/core.c:5328 [inline]
[<ffffffff85fe99a2>] __schedule+0xd58/0x3848 kernel/sched/core.c:6690
[<ffffffff85fec556>] __schedule_loop kernel/sched/core.c:6767 [inline]
[<ffffffff85fec556>] schedule+0xc4/0x324 kernel/sched/core.c:6782
[<ffffffff85fff302>] schedule_timeout+0x1e2/0x296 kernel/time/timer.c:2591
[<ffffffff85fedf32>] do_wait_for_common kernel/sched/completion.c:95 [inline]
[<ffffffff85fedf32>] __wait_for_common+0x1ca/0x4b6 kernel/sched/completion.c:116
[<ffffffff85fee238>] wait_for_common kernel/sched/completion.c:127 [inline]
[<ffffffff85fee238>] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:148
[<ffffffff8013c83e>] __flush_work+0x5ee/0xcba kernel/workqueue.c:4217
[<ffffffff8013e51c>] __cancel_work_sync+0x136/0x15a kernel/workqueue.c:4337
[<ffffffff80142830>] cancel_delayed_work_sync+0x1c/0x26 kernel/workqueue.c:4411
[<ffffffff852efe86>] htable_put.part.0+0x1a0/0x278 net/netfilter/xt_hashlimit.c:429
[<ffffffff852f21e2>] htable_put net/netfilter/xt_hashlimit.c:424 [inline]
[<ffffffff852f21e2>] hashlimit_mt_destroy+0x7e/0xa6 net/netfilter/xt_hashlimit.c:977
[<ffffffff858f3750>] cleanup_match net/ipv6/netfilter/ip6_tables.c:477 [inline]
[<ffffffff858f3750>] cleanup_entry+0x15e/0x326 net/ipv6/netfilter/ip6_tables.c:661
[<ffffffff858f460c>] translate_table+0xcf4/0x15da net/ipv6/netfilter/ip6_tables.c:744
[<ffffffff858faf20>] do_replace+0x2f8/0x432 net/ipv4/netfilter/ip_tables.c:1137
[<ffffffff858fb3f8>] do_ip6t_set_ctl+0x39e/0x92a net/ipv6/netfilter/ip6_tables.c:1644
[<ffffffff8511dd9a>] nf_setsockopt+0x78/0xda net/netfilter/nf_sockopt.c:101
[<ffffffff857cfeec>] ipv6_setsockopt+0x13c/0x16e net/ipv6/ipv6_sockglue.c:998
[<ffffffff857f8474>] rawv6_setsockopt+0xe8/0x64c net/ipv6/raw.c:1054
[<ffffffff84c6ca60>] sock_common_setsockopt+0x90/0xc0 net/core/sock.c:3803
[<ffffffff84c5f7ce>] do_sock_setsockopt+0x20a/0x402 net/socket.c:2334
[<ffffffff84c698d0>] __sys_setsockopt+0xf0/0x1aa net/socket.c:2357
[<ffffffff84c69a30>] __do_sys_setsockopt net/socket.c:2366 [inline]
[<ffffffff84c69a30>] __se_sys_setsockopt net/socket.c:2363 [inline]
[<ffffffff84c69a30>] __riscv_sys_setsockopt+0xa6/0x114 net/socket.c:2363
[<ffffffff8000f2cc>] syscall_handler+0x94/0x118 arch/riscv/include/asm/syscall.h:90
[<ffffffff85fdfb66>] do_trap_ecall_u+0x1aa/0x216 arch/riscv/kernel/traps.c:331
[<ffffffff860029b6>] _new_vmalloc_restore_context_a0+0xc2/0xce

Showing all locks held in the system:
1 lock held by khungtaskd/36:
 #0: ffffffff881cc080 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x68/0x2d6 kernel/locking/lockdep.c:6716
3 locks held by syslogd/2968:
 #0: ff6000005cdd3d18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:598 [inline]
 #0: ff6000005cdd3d18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1505 [inline]
 #0: ff6000005cdd3d18 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1804 [inline]
 #0: ff6000005cdd3d18 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x278/0x3848 kernel/sched/core.c:6589
 #1: ff6000005cdbf648 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x22c/0x71a kernel/sched/psi.c:987
 #2: ffffffff881cc080 (rcu_read_lock){....}-{1:2}, at: filemap_get_entry+0x0/0x3fe include/linux/mm.h:794
2 locks held by getty/3124:
 #0: ff60000017fcd0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340
 #1: ff2000000008b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd7c/0x129a drivers/tty/n_tty.c:2211
3 locks held by syz-executor/3149:
2 locks held by kworker/1:0/18054:
4 locks held by kworker/u9:6/18096:
3 locks held by kworker/u10:3/18489:
3 locks held by kworker/u10:5/18691:
2 locks held by kworker/u9:2/19158:
2 locks held by kworker/1:4/20200:
4 locks held by syz-executor/20458:
4 locks held by syz-executor/20459:

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 36 Comm: khungtaskd Not tainted 6.12.0-rc6-syzkaller-g57f7c7dc78cd #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff80010a0c>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:130
[<ffffffff85f822a0>] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:136
[<ffffffff85fdd896>] __dump_stack lib/dump_stack.c:94 [inline]
[<ffffffff85fdd896>] dump_stack_lvl+0x122/0x196 lib/dump_stack.c:120
[<ffffffff85fdd926>] dump_stack+0x1c/0x24 lib/dump_stack.c:129
[<ffffffff85f45986>] nmi_cpu_backtrace+0x39c/0x39e lib/nmi_backtrace.c:113
[<ffffffff85f45c3e>] nmi_trigger_cpumask_backtrace+0x2b6/0x456 lib/nmi_backtrace.c:62
[<ffffffff8001996c>] arch_trigger_cpumask_backtrace+0x2c/0x3c arch/riscv/kernel/smp.c:347
[<ffffffff80432008>] trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
[<ffffffff80432008>] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
[<ffffffff80432008>] watchdog+0xcfa/0x1178 kernel/hung_task.c:379
[<ffffffff80154924>] kthread+0x28c/0x3a6 kernel/kthread.c:389
[<ffffffff86002ace>] 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: 20457 Comm: rm Not tainted 6.12.0-rc6-syzkaller-g57f7c7dc78cd #0
Hardware name: riscv-virtio,qemu (DT)
epc : lock_acquire.part.0+0x36c/0x81c kernel/locking/lockdep.c:5790
 ra : lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
 ra : lock_acquire.part.0+0x2d6/0x81c kernel/locking/lockdep.c:5827
epc : ffffffff802497ac ra : ffffffff80249716 sp : ff20000001f07830
 gp : ffffffff899c0180 tp : ff60000013a94ec0 t0 : ff60000013a959e0
 t1 : ff60000013a95a58 t2 : 000000000000007f s0 : ff20000001f07990
 s1 : ff6000005cdbf708 a0 : ffffffff90d62aa0 a1 : 0000000000000000
 a2 : 0000000000000000 a3 : ffffffff814a98a0 a4 : 0000000000000000
 a5 : 0000000000000000 a6 : 0000000000000003 a7 : 0000000017621103
 s2 : ffffffff90d62aa0 s3 : 0000000000000000 s4 : ffffffff88371780
 s5 : 1fe40000003e0f10 s6 : 0000000000000000 s7 : ffffffff808b34f4
 s8 : 0000000000000000 s9 : ffffffff86458708 s10: ffffffff90d62aa0
 s11: 0000000000000002 t3 : 1fec000002752b3b t4 : 000000000000000b
 t5 : 0afc9078cadebf5c t6 : 1fec000002752b4f
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff802497ac>] arch_local_irq_restore arch/riscv/include/asm/irqflags.h:51 [inline]
[<ffffffff802497ac>] lock_acquire.part.0+0x36c/0x81c kernel/locking/lockdep.c:5828
[<ffffffff80249cd0>] lock_acquire+0x74/0x98 kernel/locking/lockdep.c:5798
[<ffffffff808b3516>] fs_reclaim_acquire mm/page_alloc.c:3851 [inline]
[<ffffffff808b3516>] fs_reclaim_acquire+0x94/0x106 mm/page_alloc.c:3842
[<ffffffff808dc01c>] might_alloc include/linux/sched/mm.h:318 [inline]
[<ffffffff808dc01c>] slab_pre_alloc_hook mm/slub.c:4036 [inline]
[<ffffffff808dc01c>] slab_alloc_node mm/slub.c:4114 [inline]
[<ffffffff808dc01c>] kmem_cache_alloc_noprof+0x4c/0x304 mm/slub.c:4141
[<ffffffff8087bd94>] anon_vma_chain_alloc mm/rmap.c:143 [inline]
[<ffffffff8087bd94>] __anon_vma_prepare+0xba/0x4e0 mm/rmap.c:196
[<ffffffff8081b664>] __vmf_anon_prepare+0x136/0x244 mm/memory.c:3307
[<ffffffff80827dc0>] vmf_anon_prepare mm/internal.h:326 [inline]
[<ffffffff80827dc0>] do_cow_fault mm/memory.c:5317 [inline]
[<ffffffff80827dc0>] do_fault mm/memory.c:5433 [inline]
[<ffffffff80827dc0>] do_pte_missing mm/memory.c:3965 [inline]
[<ffffffff80827dc0>] handle_pte_fault mm/memory.c:5766 [inline]
[<ffffffff80827dc0>] __handle_mm_fault+0x95a/0x43ea mm/memory.c:5909
[<ffffffff8082bcdc>] handle_mm_fault+0x48c/0x886 mm/memory.c:6077
[<ffffffff80023cb6>] handle_page_fault+0x2ba/0x1588 arch/riscv/mm/fault.c:302
[<ffffffff85fdfbf2>] do_page_fault+0x20/0x56 arch/riscv/kernel/traps.c:362
[<ffffffff860029b6>] _new_vmalloc_restore_context_a0+0xc2/0xce