INFO: task kworker/u10:1:4318 blocked for more than 430 seconds.
      Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:1   state:D stack:0     pid:4318  tgid:4318  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events_unbound bpf_map_free_deferred
Call Trace:
[<ffffffff863ce5c0>] context_switch kernel/sched/core.c:5357 [inline]
[<ffffffff863ce5c0>] __schedule+0x1042/0x4106 kernel/sched/core.c:6961
[<ffffffff863d1748>] __schedule_loop kernel/sched/core.c:7043 [inline]
[<ffffffff863d1748>] schedule+0xc4/0x35e kernel/sched/core.c:7058
[<ffffffff863e72b2>] schedule_timeout+0x1c6/0x2ae kernel/time/sleep_timeout.c:75
[<ffffffff863d32fe>] do_wait_for_common kernel/sched/completion.c:100 [inline]
[<ffffffff863d32fe>] __wait_for_common+0x1d2/0x3e8 kernel/sched/completion.c:121
[<ffffffff863d352e>] wait_for_common kernel/sched/completion.c:132 [inline]
[<ffffffff863d352e>] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:153
[<ffffffff8038232e>] rcu_barrier+0x2dc/0x6cc kernel/rcu/tree.c:3883
[<ffffffff8076c816>] dev_map_free+0x11c/0x6bc kernel/bpf/devmap.c:214
[<ffffffff805eb838>] bpf_map_free kernel/bpf/syscall.c:864 [inline]
[<ffffffff805eb838>] bpf_map_free_deferred+0x24a/0x4a8 kernel/bpf/syscall.c:891
[<ffffffff801c7a44>] process_one_work+0x96a/0x1f32 kernel/workqueue.c:3236
[<ffffffff801cab54>] process_scheduled_works kernel/workqueue.c:3319 [inline]
[<ffffffff801cab54>] worker_thread+0x5ce/0xde8 kernel/workqueue.c:3400
[<ffffffff801e843c>] kthread+0x39c/0x7d4 kernel/kthread.c:463
[<ffffffff800699c4>] ret_from_fork_kernel+0x2a/0xbb4 arch/riscv/kernel/process.c:214
[<ffffffff863ed6b6>] ret_from_fork_kernel_asm+0x16/0x18 arch/riscv/kernel/entry.S:327

Showing all locks held in the system:
1 lock held by khungtaskd/38:
 #0: ffffffff883dd9a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2a/0x1a0 kernel/locking/lockdep.c:6771
2 locks held by kworker/0:2/830:
2 locks held by getty/3181:
 #0: ffffaf801d53c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340
 #1: ffff8f800008e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3e4/0x12b6 drivers/tty/n_tty.c:2222
3 locks held by kworker/u10:0/3229:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f32 kernel/workqueue.c:3211
 #1: ffff8f80003f7b70 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f32 kernel/workqueue.c:3211
 #2: ffffffff883eda40 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3815
3 locks held by kworker/u10:3/3389:
2 locks held by kworker/0:3/3873:
2 locks held by kworker/0:4/3932:
2 locks held by kworker/0:5/3953:
3 locks held by kworker/u10:1/4318:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f32 kernel/workqueue.c:3211
 #1: ffff8f800cdb7b70 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f32 kernel/workqueue.c:3211
 #2: ffffffff883eda40 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3815
5 locks held by kworker/0:9/4406:
3 locks held by kworker/u10:2/4440:
1 lock held by syz.1.247/4547:
 #0: ffffffff883eda40 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3815
2 locks held by kworker/u10:9/4641:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f32 kernel/workqueue.c:3211
 #1: ffff8f8004e87b70 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f32 kernel/workqueue.c:3211
2 locks held by syz.0.268/4813:
1 lock held by rm/4816:
2 locks held by modprobe/4817:

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 38 Comm: khungtaskd Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff8007949a>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:132
[<ffffffff8000329a>] show_stack+0x30/0x3c arch/riscv/kernel/stacktrace.c:138
[<ffffffff80060b76>] __dump_stack lib/dump_stack.c:94 [inline]
[<ffffffff80060b76>] dump_stack_lvl+0x12e/0x1a6 lib/dump_stack.c:120
[<ffffffff80060c0a>] dump_stack+0x1c/0x24 lib/dump_stack.c:129
[<ffffffff8638596a>] nmi_cpu_backtrace+0x3b0/0x3b2 lib/nmi_backtrace.c:113
[<ffffffff86385c22>] nmi_trigger_cpumask_backtrace+0x2b6/0x458 lib/nmi_backtrace.c:62
[<ffffffff8008705c>] arch_trigger_cpumask_backtrace+0x2c/0x3c arch/riscv/kernel/smp.c:350
[<ffffffff805000a4>] trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
[<ffffffff805000a4>] check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline]
[<ffffffff805000a4>] watchdog+0xc56/0x1134 kernel/hung_task.c:491
[<ffffffff801e843c>] kthread+0x39c/0x7d4 kernel/kthread.c:463
[<ffffffff800699c4>] ret_from_fork_kernel+0x2a/0xbb4 arch/riscv/kernel/process.c:214
[<ffffffff863ed6b6>] ret_from_fork_kernel_asm+0x16/0x18 arch/riscv/kernel/entry.S:327
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 830 Comm: kworker/0:2 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: riscv-virtio,qemu (DT)
Workqueue: wg-crypt-wg1 wg_packet_tx_worker
epc : arch_static_branch include/linux/page-flags.h:210 [inline]
epc : page_fixed_fake_head include/linux/page-flags.h:210 [inline]
epc : _compound_head include/linux/page-flags.h:288 [inline]
epc : virt_to_folio include/linux/mm.h:1182 [inline]
epc : virt_to_slab mm/slab.h:187 [inline]
epc : kasan_addr_to_slab+0x14a/0x2d8 mm/kasan/common.c:38
 ra : virt_to_folio include/linux/mm.h:1180 [inline]
 ra : virt_to_slab mm/slab.h:187 [inline]
 ra : kasan_addr_to_slab+0x132/0x2d8 mm/kasan/common.c:38
epc : ffffffff80b1dbd6 ra : ffffffff80b1dbbe sp : ffff8f80000069b0
 gp : ffffffff89c9e5c0 tp : ffffaf8019f03480 t0 : ffff8f8000006a60
 t1 : 0000000000000001 t2 : fffffffff2f20000 s0 : ffff8f80000069f0
 s1 : ffff8d8000000000 a0 : ffff8d80011b0540 a1 : 0000000000000000
 a2 : 0000000000f00000 a3 : ffffffff800a4aa8 a4 : 0000000000000000
 a5 : ffffaf8011401780 a6 : 0000000000f00000 a7 : ffffffff80b1daee
 s2 : 00000000c6c15ac0 s3 : ffffaf8070fed880 s4 : ffffffff87e12f20
 s5 : 0000000000000001 s6 : 0000000000000000 s7 : ffffaf8046c15ac0
 s8 : 0000000000000001 s9 : ffffffffffffffff s10: ffffffffffffffff
 s11: 1ffff5f00376bb25 t3 : 8930b33000000000 t4 : 0000000000001fff
 t5 : 00000000000000c8 t6 : 0000000000000002
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff80b1dbd6>] _compound_head include/linux/page-flags.h:286 [inline]
[<ffffffff80b1dbd6>] virt_to_folio include/linux/mm.h:1182 [inline]
[<ffffffff80b1dbd6>] virt_to_slab mm/slab.h:187 [inline]
[<ffffffff80b1dbd6>] kasan_addr_to_slab+0x14a/0x2d8 mm/kasan/common.c:38
[<ffffffff80b20b8e>] kasan_record_aux_stack+0x1c/0x160 mm/kasan/generic.c:533
[<ffffffff8038e4e0>] __call_rcu_common.constprop.0+0x9e/0x9da kernel/rcu/tree.c:3123
[<ffffffff8038ee3c>] call_rcu+0xc/0x14 kernel/rcu/tree.c:3243
[<ffffffff80a7c6e0>] slab_free_hook mm/slub.c:2381 [inline]
[<ffffffff80a7c6e0>] slab_free mm/slub.c:4680 [inline]
[<ffffffff80a7c6e0>] kmem_cache_free+0x16a/0x562 mm/slub.c:4782
[<ffffffff8561a562>] nf_conntrack_free+0x10c/0x4a4 net/netfilter/nf_conntrack_core.c:1747
[<ffffffff8561aa70>] nf_ct_destroy+0x176/0x272 net/netfilter/nf_conntrack_core.c:598
[<ffffffff85620d14>] nf_ct_put include/net/netfilter/nf_conntrack.h:184 [inline]
[<ffffffff85620d14>] nf_ct_put include/net/netfilter/nf_conntrack.h:181 [inline]
[<ffffffff85620d14>] nf_conntrack_in+0x710/0x1c30 net/netfilter/nf_conntrack_core.c:2068
[<ffffffff8563166c>] ipv4_conntrack_local+0xf6/0x200 net/netfilter/nf_conntrack_proto.c:226
[<ffffffff855ef63a>] nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
[<ffffffff855ef63a>] nf_hook_slow+0xb8/0x1ec net/netfilter/core.c:623
[<ffffffff8582d20a>] nf_hook include/linux/netfilter.h:273 [inline]
[<ffffffff8582d20a>] __ip_local_out+0x49a/0xbb4 net/ipv4/ip_output.c:118
[<ffffffff8582d952>] ip_local_out+0x2e/0x1a8 net/ipv4/ip_output.c:127
[<ffffffff856ad2b8>] synproxy_send_tcp.isra.0+0x3de/0x5d2 net/netfilter/nf_synproxy_core.c:439
[<ffffffff856af0e4>] synproxy_send_client_synack+0x6dc/0x8be net/netfilter/nf_synproxy_core.c:484
[<ffffffff85786f80>] nft_synproxy_eval_v4 net/netfilter/nft_synproxy.c:59 [inline]
[<ffffffff85786f80>] nft_synproxy_do_eval+0x8ac/0xa52 net/netfilter/nft_synproxy.c:141
[<ffffffff85787184>] nft_synproxy_eval+0x28/0x36 net/netfilter/nft_synproxy.c:247
[<ffffffff856ba546>] expr_call_ops_eval net/netfilter/nf_tables_core.c:237 [inline]
[<ffffffff856ba546>] nft_do_chain+0x328/0x1598 net/netfilter/nf_tables_core.c:285
[<ffffffff8571656c>] nft_do_chain_inet+0x180/0x316 net/netfilter/nft_chain_filter.c:161
[<ffffffff855ef63a>] nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
[<ffffffff855ef63a>] nf_hook_slow+0xb8/0x1ec net/netfilter/core.c:623
[<ffffffff85811b2e>] nf_hook include/linux/netfilter.h:273 [inline]
[<ffffffff85811b2e>] NF_HOOK include/linux/netfilter.h:316 [inline]
[<ffffffff85811b2e>] ip_local_deliver+0x2ea/0x568 net/ipv4/ip_input.c:260
[<ffffffff8580f9c6>] dst_input include/net/dst.h:471 [inline]
[<ffffffff8580f9c6>] ip_rcv_finish+0x1b0/0x2d2 net/ipv4/ip_input.c:454
[<ffffffff85811e82>] NF_HOOK include/linux/netfilter.h:318 [inline]
[<ffffffff85811e82>] NF_HOOK include/linux/netfilter.h:312 [inline]
[<ffffffff85811e82>] ip_rcv+0xd6/0x44e net/ipv4/ip_input.c:574
[<ffffffff851c8bc4>] __netif_receive_skb_one_core+0x106/0x16e net/core/dev.c:5979
[<ffffffff851c8e44>] __netif_receive_skb+0x2c/0x144 net/core/dev.c:6092
[<ffffffff851ca044>] process_backlog+0x4f6/0x1cb0 net/core/dev.c:6444
[<ffffffff851cd4ac>] __napi_poll.constprop.0+0xaa/0x4ba net/core/dev.c:7489
[<ffffffff851ce392>] napi_poll net/core/dev.c:7552 [inline]
[<ffffffff851ce392>] net_rx_action+0xad6/0xefe net/core/dev.c:7679
[<ffffffff8016778e>] handle_softirqs+0x4b2/0x132e kernel/softirq.c:579
[<ffffffff863ed7b0>] __do_softirq+0x12/0x1a kernel/softirq.c:613
[<ffffffff8006845c>] ___do_softirq+0x18/0x20 arch/riscv/kernel/irq.c:119
[<ffffffff863ed6fe>] call_on_irq_stack+0x32/0x40 arch/riscv/kernel/entry.S:360