INFO: task kworker/u10:32:6179 blocked for more than 430 seconds.
      Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:32  state:D stack:0     pid:6179  tgid:6179  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events_unbound bpf_map_free_deferred
Call Trace:
[<ffffffff8624d1e2>] context_switch kernel/sched/core.c:5377 [inline]
[<ffffffff8624d1e2>] __schedule+0xe4c/0x3d70 kernel/sched/core.c:6764
[<ffffffff862501ca>] __schedule_loop kernel/sched/core.c:6841 [inline]
[<ffffffff862501ca>] schedule+0xc4/0x324 kernel/sched/core.c:6856
[<ffffffff86264482>] schedule_timeout+0x1c6/0x28a kernel/time/sleep_timeout.c:75
[<ffffffff86251d06>] do_wait_for_common kernel/sched/completion.c:95 [inline]
[<ffffffff86251d06>] __wait_for_common+0x1ca/0x4b6 kernel/sched/completion.c:116
[<ffffffff8625200c>] wait_for_common kernel/sched/completion.c:127 [inline]
[<ffffffff8625200c>] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:148
[<ffffffff8036cdca>] rcu_barrier+0x2dc/0x6cc kernel/rcu/tree.c:3809
[<ffffffff806f6c48>] dev_map_free+0x11c/0x6bc kernel/bpf/devmap.c:214
[<ffffffff805955ca>] bpf_map_free kernel/bpf/syscall.c:841 [inline]
[<ffffffff805955ca>] bpf_map_free_deferred+0x226/0x47a kernel/bpf/syscall.c:867
[<ffffffff801b3668>] process_one_work+0x96a/0x1f3a kernel/workqueue.c:3236
[<ffffffff801b667a>] process_scheduled_works kernel/workqueue.c:3317 [inline]
[<ffffffff801b667a>] worker_thread+0x5be/0xdc6 kernel/workqueue.c:3398
[<ffffffff801d3b2e>] kthread+0x37e/0x7b6 kernel/kthread.c:464
[<ffffffff8626888e>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:327

Showing all locks held in the system:
1 lock held by khungtaskd/37:
 #0: ffffffff883d8200 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x68/0x288 kernel/locking/lockdep.c:6742
1 lock held by klogd/2993:
2 locks held by getty/3141:
 #0: ffffaf801cd0d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340
 #1: ffff8f800008b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xd7c/0x129a drivers/tty/n_tty.c:2211
1 lock held by sshd/3167:
 #0: ffffaf806ed8afd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:598 [inline]
 #0: ffffaf806ed8afd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1521 [inline]
 #0: ffffaf806ed8afd8 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1852 [inline]
 #0: ffffaf806ed8afd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x280/0x3d70 kernel/sched/core.c:6687
2 locks held by syz-executor/3169:
2 locks held by kworker/0:4/3869:
2 locks held by kworker/1:4/5213:
2 locks held by kworker/0:0/5951:
3 locks held by kworker/u10:30/6174:
3 locks held by kworker/u10:32/6179:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a kernel/workqueue.c:3211
 #1: ffff8f800c907bd0 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a kernel/workqueue.c:3211
 #2: ffffffff883e8380 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3741
1 lock held by kworker/0:1/6492:
2 locks held by kworker/u8:1/7732:
2 locks held by kworker/0:2/7759:
2 locks held by kworker/R-wg-cr/8027:
1 lock held by kworker/R-wg-cr/8030:
 #0: ffffffff8828d7a8 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline]
 #0: ffffffff8828d7a8 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x73e/0xc72 kernel/workqueue.c:3533
2 locks held by kworker/R-wg-cr/8033:
3 locks held by kworker/u10:1/8293:
 #0: ffffaf806ed8afd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:598 [inline]
 #0: ffffaf806ed8afd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1521 [inline]
 #0: ffffaf806ed8afd8 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1852 [inline]
 #0: ffffaf806ed8afd8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x280/0x3d70 kernel/sched/core.c:6687
 #1: ffffaf806ed76688 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: process_one_work+0x870/0x1f3a kernel/workqueue.c:3211
 #2: ffffaf801db6c250 (&devlink->lock_key#2){+.+.}-{4:4}, at: lock_timer_base+0x156/0x1f4 kernel/time/timer.c:1046
2 locks held by kworker/0:5/8441:
1 lock held by syz.2.792/8449:
 #0: ffffffff883e8380 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3741
2 locks held by kworker/0:7/8479:
3 locks held by kworker/u10:3/8480:
3 locks held by kworker/u10:4/8481:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a kernel/workqueue.c:3211
 #1: ffff8f8002117bd0 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a kernel/workqueue.c:3211
 #2: ffffffff883e8380 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3741
2 locks held by kworker/0:8/8482:
2 locks held by kworker/0:9/8485:
2 locks held by kworker/0:10/8525:
2 locks held by kworker/R-wg-cr/8607:
1 lock held by kworker/R-wg-cr/8609:
 #0: ffffffff8828d7a8 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2734 [inline]
 #0: ffffffff8828d7a8 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x73e/0xc72 kernel/workqueue.c:3533
1 lock held by kworker/R-wg-cr/8614:
2 locks held by kworker/0:3/8992:
1 lock held by dhcpcd-run-hook/9012:
2 locks held by kworker/0:6/9014:
3 locks held by syz-executor/9025:

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff80074518>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:132
[<ffffffff80003206>] show_stack+0x30/0x3c arch/riscv/kernel/stacktrace.c:138
[<ffffffff8005fa4c>] __dump_stack lib/dump_stack.c:94 [inline]
[<ffffffff8005fa4c>] dump_stack_lvl+0x12e/0x1a6 lib/dump_stack.c:120
[<ffffffff8005fae0>] dump_stack+0x1c/0x24 lib/dump_stack.c:129
[<ffffffff86206bf4>] nmi_cpu_backtrace+0x3b0/0x3b2 lib/nmi_backtrace.c:113
[<ffffffff86206eac>] nmi_trigger_cpumask_backtrace+0x2b6/0x458 lib/nmi_backtrace.c:62
[<ffffffff80080416>] arch_trigger_cpumask_backtrace+0x2c/0x3e arch/riscv/kernel/smp.c:348
[<ffffffff804ddfbc>] trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
[<ffffffff804ddfbc>] check_hung_uninterruptible_tasks kernel/hung_task.c:236 [inline]
[<ffffffff804ddfbc>] watchdog+0xcf2/0x11de kernel/hung_task.c:399
[<ffffffff801d3b2e>] kthread+0x37e/0x7b6 kernel/kthread.c:464
[<ffffffff8626888e>] ret_from_fork+0xe/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: 8033 Comm: kworker/R-wg-cr Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0
Hardware name: riscv-virtio,qemu (DT)
Workqueue: wg-crypt-wg2 wg_packet_tx_worker
epc : __netif_rx+0xb8/0x104 net/core/dev.c:5368
 ra : __netif_rx+0xb8/0x104 net/core/dev.c:5368
epc : ffffffff84f846f6 ra : ffffffff84f846f6 sp : ffff8f8000006830
 gp : ffffffff89c1d3c0 tp : ffffaf8015ff3480 t0 : e0810135ce920b32
 t1 : ffffaf8015ff4078 t2 : 000000000000032d s0 : ffff8f8000006850
 s1 : ffffaf803c0b6000 a0 : 0000000000000005 a1 : 0000000000000000
 a2 : 0000000000000300 a3 : ffffffff84f846f6 a4 : 0000000000000000
 a5 : ffffaf8015ff3480 a6 : 0000000000f00000 a7 : 000000002165d754
 s2 : 0000000000000300 s3 : 0000000000000028 s4 : 1ffff5f007816c10
 s5 : 0000000000000001 s6 : 1ffff5f007816c0b s7 : ffffaf803c0b6058
 s8 : 0000000000000000 s9 : 1ffff5f007816c00 s10: 0000000000000000
 s11: ffffffff89d24940 t3 : ffffaf8015ff3fb0 t4 : 1ffff5f002bfe7f5
 t5 : 1ffff5f002bfe813 t6 : 0000000000000001
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff84f846f6>] __netif_rx+0xb8/0x104 net/core/dev.c:5368
[<ffffffff83131670>] loopback_xmit+0x24c/0x6be drivers/net/loopback.c:89
[<ffffffff84f90720>] __netdev_start_xmit include/linux/netdevice.h:5144 [inline]
[<ffffffff84f90720>] netdev_start_xmit include/linux/netdevice.h:5153 [inline]
[<ffffffff84f90720>] xmit_one net/core/dev.c:3735 [inline]
[<ffffffff84f90720>] dev_hard_start_xmit+0x236/0xb36 net/core/dev.c:3751
[<ffffffff84f91cc0>] __dev_queue_xmit+0x942/0x4a02 net/core/dev.c:4584
[<ffffffff855d5a22>] dev_queue_xmit include/linux/netdevice.h:3305 [inline]
[<ffffffff855d5a22>] neigh_hh_output include/net/neighbour.h:523 [inline]
[<ffffffff855d5a22>] neigh_output include/net/neighbour.h:537 [inline]
[<ffffffff855d5a22>] ip_finish_output2+0xcfa/0x2772 net/ipv4/ip_output.c:236
[<ffffffff855d7812>] __ip_finish_output net/ipv4/ip_output.c:314 [inline]
[<ffffffff855d7812>] __ip_finish_output+0x378/0x60e net/ipv4/ip_output.c:296
[<ffffffff855d7ae2>] ip_finish_output+0x3a/0x34e net/ipv4/ip_output.c:324
[<ffffffff855d7f84>] NF_HOOK_COND include/linux/netfilter.h:303 [inline]
[<ffffffff855d7f84>] ip_output+0x18e/0x61c net/ipv4/ip_output.c:434
[<ffffffff855d8e8c>] dst_output include/net/dst.h:459 [inline]
[<ffffffff855d8e8c>] ip_local_out+0xac/0x1a8 net/ipv4/ip_output.c:130
[<ffffffff8545ac20>] synproxy_send_tcp.isra.0+0x3de/0x5d2 net/netfilter/nf_synproxy_core.c:439
[<ffffffff8545ca44>] synproxy_send_client_synack+0x6dc/0x8be net/netfilter/nf_synproxy_core.c:484
[<ffffffff8553316c>] nft_synproxy_eval_v4 net/netfilter/nft_synproxy.c:59 [inline]
[<ffffffff8553316c>] nft_synproxy_do_eval+0x8ac/0xa52 net/netfilter/nft_synproxy.c:141
[<ffffffff85533370>] nft_synproxy_eval+0x28/0x36 net/netfilter/nft_synproxy.c:247
[<ffffffff85468036>] expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
[<ffffffff85468036>] nft_do_chain+0x328/0x1598 net/netfilter/nf_tables_core.c:288
[<ffffffff854c2648>] nft_do_chain_inet+0x180/0x316 net/netfilter/nft_chain_filter.c:161
[<ffffffff8539d320>] nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
[<ffffffff8539d320>] nf_hook_slow+0xb8/0x1ec net/netfilter/core.c:626
[<ffffffff855bdb52>] nf_hook include/linux/netfilter.h:269 [inline]
[<ffffffff855bdb52>] NF_HOOK include/linux/netfilter.h:312 [inline]
[<ffffffff855bdb52>] ip_local_deliver+0x2ea/0x568 net/ipv4/ip_input.c:254
[<ffffffff855bbc06>] dst_input include/net/dst.h:469 [inline]
[<ffffffff855bbc06>] ip_rcv_finish+0x1b0/0x2d2 net/ipv4/ip_input.c:447
[<ffffffff855bdea6>] NF_HOOK include/linux/netfilter.h:314 [inline]
[<ffffffff855bdea6>] NF_HOOK include/linux/netfilter.h:308 [inline]
[<ffffffff855bdea6>] ip_rcv+0xd6/0x44e net/ipv4/ip_input.c:567
[<ffffffff84f9d57c>] __netif_receive_skb_one_core+0x106/0x16e net/core/dev.c:5828
[<ffffffff84f9d7fc>] __netif_receive_skb+0x2c/0x144 net/core/dev.c:5941
[<ffffffff84f9e9fc>] process_backlog+0x4f6/0x1cb0 net/core/dev.c:6289
[<ffffffff84fa3392>] __napi_poll.constprop.0+0xaa/0x4b8 net/core/dev.c:7106
[<ffffffff84fa41b2>] napi_poll net/core/dev.c:7175 [inline]
[<ffffffff84fa41b2>] net_rx_action+0xa12/0xf10 net/core/dev.c:7297
[<ffffffff80156a7a>] handle_softirqs+0x4b2/0x132e kernel/softirq.c:561
[<ffffffff86268968>] __do_softirq+0x12/0x1a kernel/softirq.c:595
[<ffffffff80067060>] ___do_softirq+0x18/0x20 arch/riscv/kernel/irq.c:85
[<ffffffff862688ca>] call_on_irq_stack+0x32/0x40 arch/riscv/kernel/entry.S:356