INFO: task kworker/u9:2:32 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/u9:2    state:D stack:0     pid:32    tgid:32    ppid:2      task_flags:0x4208160 flags:0x00000000
Workqueue: events_unbound bpf_map_free_deferred
Call Trace:
[<ffffffff86245be6>] context_switch kernel/sched/core.c:5377 [inline]
[<ffffffff86245be6>] __schedule+0xe4c/0x3d70 kernel/sched/core.c:6764
[<ffffffff86248bce>] __schedule_loop kernel/sched/core.c:6841 [inline]
[<ffffffff86248bce>] schedule+0xc4/0x324 kernel/sched/core.c:6856
[<ffffffff8625ce86>] schedule_timeout+0x1c6/0x28a kernel/time/sleep_timeout.c:75
[<ffffffff8624a70a>] do_wait_for_common kernel/sched/completion.c:95 [inline]
[<ffffffff8624a70a>] __wait_for_common+0x1ca/0x4b6 kernel/sched/completion.c:116
[<ffffffff8624aa10>] wait_for_common kernel/sched/completion.c:127 [inline]
[<ffffffff8624aa10>] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:148
[<ffffffff803682e2>] rcu_barrier+0x2dc/0x6cc kernel/rcu/tree.c:3809
[<ffffffff806f2124>] dev_map_free+0x11c/0x6bc kernel/bpf/devmap.c:214
[<ffffffff80590aa6>] bpf_map_free kernel/bpf/syscall.c:841 [inline]
[<ffffffff80590aa6>] bpf_map_free_deferred+0x226/0x47a kernel/bpf/syscall.c:867
[<ffffffff801b365c>] process_one_work+0x96a/0x1f3a kernel/workqueue.c:3236
[<ffffffff801b666e>] process_scheduled_works kernel/workqueue.c:3317 [inline]
[<ffffffff801b666e>] worker_thread+0x5be/0xdc6 kernel/workqueue.c:3398
[<ffffffff801d3ae2>] kthread+0x37e/0x7b6 kernel/kthread.c:464
[<ffffffff86261292>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:327

Showing all locks held in the system:
2 locks held by kworker/0:1/9:
3 locks held by kworker/u9:2/32:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a kernel/workqueue.c:3211
 #1: ffff8f8000227bd0 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a kernel/workqueue.c:3211
 #2: ffffffff883e7d00 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3741
2 locks held by kworker/1:1/36:
1 lock held by khungtaskd/38:
 #0: ffffffff883d7b80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x68/0x288 kernel/locking/lockdep.c:6742
3 locks held by kworker/u9:6/1965:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a kernel/workqueue.c:3211
 #1: ffff8f8005207bd0 ((work_completion)(&copy->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a kernel/workqueue.c:3211
 #2: ffffffff883e7d00 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3741
2 locks held by getty/3146:
 #0: ffffaf80187850a0 (&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 syz-executor/3175:
1 lock held by syz-executor/3182:
 #0: ffffffff883e7d00 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3741
2 locks held by kworker/1:2/3734:
2 locks held by kworker/1:3/3790:
2 locks held by kworker/1:5/4053:
2 locks held by kworker/1:6/4058:
2 locks held by kworker/1:7/4069:
2 locks held by kworker/1:8/4073:
2 locks held by kworker/1:9/4091:
2 locks held by kworker/1:12/4122:
2 locks held by kworker/u9:5/4267:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a kernel/workqueue.c:3211
 #1: ffff8f8005b97bd0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a kernel/workqueue.c:3211
1 lock held by dhcpcd-run-hook/4457:
1 lock held by syz.1.213/4506:
4 locks held by modprobe/4512:

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 38 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
[<ffffffff861ff5f8>] nmi_cpu_backtrace+0x3b0/0x3b2 lib/nmi_backtrace.c:113
[<ffffffff861ff8b0>] nmi_trigger_cpumask_backtrace+0x2b6/0x458 lib/nmi_backtrace.c:62
[<ffffffff80080416>] arch_trigger_cpumask_backtrace+0x2c/0x3e arch/riscv/kernel/smp.c:348
[<ffffffff804d9498>] trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
[<ffffffff804d9498>] check_hung_uninterruptible_tasks kernel/hung_task.c:236 [inline]
[<ffffffff804d9498>] watchdog+0xcf2/0x11de kernel/hung_task.c:399
[<ffffffff801d3ae2>] kthread+0x37e/0x7b6 kernel/kthread.c:464
[<ffffffff86261292>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:327
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 25 Comm: ksoftirqd/1 Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0
Hardware name: riscv-virtio,qemu (DT)
epc : preempt_count include/asm-generic/preempt.h:11 [inline]
epc : should_resched include/asm-generic/preempt.h:77 [inline]
epc : __local_bh_enable_ip+0x38e/0x5e8 kernel/softirq.c:396
 ra : __local_bh_enable_ip+0x38a/0x5e8 kernel/softirq.c:394
epc : ffffffff8015915e ra : ffffffff8015915a sp : ffff8f80001b67e0
 gp : ffffffff89c21d80 tp : ffffaf80132b9a00 t0 : 81987a7bdfef251d
 t1 : 0000000000000260 t2 : 0000000000000005 s0 : ffff8f80001b6830
 s1 : 0000000000000101 a0 : 0000000000000001 a1 : ffffffff86842000
 a2 : 0000000000000003 a3 : 0000000000000100 a4 : 0000000000000001
 a5 : 0000000000167914 a6 : 0000000000f00000 a7 : 0000000000000004
 s2 : ffffaf80132b9a00 s3 : ffffffff8585ff5e s4 : 0000000000000001
 s5 : ffffffff90fd0260 s6 : 1ffff5f002657341 s7 : ffffffff89c61300
 s8 : ffff8f80001b6a60 s9 : dfffffff00000000 s10: ffffaf801dbd3100
 s11: ffff8f80001b6a00 t3 : 1ffff5f005f0a203 t4 : ffffaf801db70128
 t5 : ffffffff8766b568 t6 : 0000000000000009
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff8015915e>] arch_local_irq_enable arch/riscv/include/asm/irqflags.h:21 [inline]
[<ffffffff8015915e>] __local_bh_enable_ip+0x38e/0x5e8 kernel/softirq.c:394
[<ffffffff8585ff84>] local_bh_enable include/linux/bottom_half.h:33 [inline]
[<ffffffff8585ff84>] ipt_do_table+0xe9c/0x1d56 net/ipv4/netfilter/ip_tables.c:357
[<ffffffff85863628>] iptable_mangle_hook+0x6c/0x44a net/ipv4/netfilter/iptable_mangle.c:80
[<ffffffff85395d24>] nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
[<ffffffff85395d24>] nf_hook_slow+0xb8/0x1ec net/netfilter/core.c:626
[<ffffffff855d0b18>] nf_hook include/linux/netfilter.h:269 [inline]
[<ffffffff855d0b18>] NF_HOOK_COND include/linux/netfilter.h:302 [inline]
[<ffffffff855d0b18>] ip_output+0x31e/0x61c net/ipv4/ip_output.c:434
[<ffffffff855d1890>] dst_output include/net/dst.h:459 [inline]
[<ffffffff855d1890>] ip_local_out+0xac/0x1a8 net/ipv4/ip_output.c:130
[<ffffffff85453624>] synproxy_send_tcp.isra.0+0x3de/0x5d2 net/netfilter/nf_synproxy_core.c:439
[<ffffffff85455448>] synproxy_send_client_synack+0x6dc/0x8be net/netfilter/nf_synproxy_core.c:484
[<ffffffff8552bb70>] nft_synproxy_eval_v4 net/netfilter/nft_synproxy.c:59 [inline]
[<ffffffff8552bb70>] nft_synproxy_do_eval+0x8ac/0xa52 net/netfilter/nft_synproxy.c:141
[<ffffffff8552bd74>] nft_synproxy_eval+0x28/0x36 net/netfilter/nft_synproxy.c:247
[<ffffffff85460a3a>] expr_call_ops_eval net/netfilter/nf_tables_core.c:240 [inline]
[<ffffffff85460a3a>] nft_do_chain+0x328/0x1598 net/netfilter/nf_tables_core.c:288
[<ffffffff854bb04c>] nft_do_chain_inet+0x180/0x316 net/netfilter/nft_chain_filter.c:161
[<ffffffff85395d24>] nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
[<ffffffff85395d24>] nf_hook_slow+0xb8/0x1ec net/netfilter/core.c:626
[<ffffffff855b6556>] nf_hook include/linux/netfilter.h:269 [inline]
[<ffffffff855b6556>] NF_HOOK include/linux/netfilter.h:312 [inline]
[<ffffffff855b6556>] ip_local_deliver+0x2ea/0x568 net/ipv4/ip_input.c:254
[<ffffffff855b460a>] dst_input include/net/dst.h:469 [inline]
[<ffffffff855b460a>] ip_rcv_finish+0x1b0/0x2d2 net/ipv4/ip_input.c:447
[<ffffffff855b68aa>] NF_HOOK include/linux/netfilter.h:314 [inline]
[<ffffffff855b68aa>] NF_HOOK include/linux/netfilter.h:308 [inline]
[<ffffffff855b68aa>] ip_rcv+0xd6/0x44e net/ipv4/ip_input.c:567
[<ffffffff84f95f80>] __netif_receive_skb_one_core+0x106/0x16e net/core/dev.c:5828
[<ffffffff84f96200>] __netif_receive_skb+0x2c/0x144 net/core/dev.c:5941
[<ffffffff84f97400>] process_backlog+0x4f6/0x1cb0 net/core/dev.c:6289
[<ffffffff84f9bd96>] __napi_poll.constprop.0+0xaa/0x4b8 net/core/dev.c:7106
[<ffffffff84f9cbb6>] napi_poll net/core/dev.c:7175 [inline]
[<ffffffff84f9cbb6>] net_rx_action+0xa12/0xf10 net/core/dev.c:7297
[<ffffffff80156a72>] handle_softirqs+0x4b2/0x132e kernel/softirq.c:561
[<ffffffff801579bc>] run_ksoftirqd kernel/softirq.c:950 [inline]
[<ffffffff801579bc>] run_ksoftirqd+0xce/0x144 kernel/softirq.c:942
[<ffffffff801e9f8e>] smpboot_thread_fn+0x654/0xb96 kernel/smpboot.c:164
[<ffffffff801d3ae2>] kthread+0x37e/0x7b6 kernel/kthread.c:464
[<ffffffff86261292>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:327