INFO: task kworker/u10:6:9531 blocked for more than 430 seconds.
      Not tainted 6.16.0-rc1-syzkaller-g306e57988197 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:6   state:D stack:0     pid:9531  tgid:9531  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events_unbound bpf_map_free_deferred
Call Trace:
[<ffffffff86307720>] context_switch kernel/sched/core.c:5396 [inline]
[<ffffffff86307720>] __schedule+0x1022/0x4094 kernel/sched/core.c:6785
[<ffffffff8630a856>] __schedule_loop kernel/sched/core.c:6863 [inline]
[<ffffffff8630a856>] schedule+0xc4/0x35e kernel/sched/core.c:6878
[<ffffffff8630b1d8>] schedule_preempt_disabled+0x16/0x28 kernel/sched/core.c:6935
[<ffffffff8630ec7c>] __mutex_lock_common kernel/locking/mutex.c:679 [inline]
[<ffffffff8630ec7c>] __mutex_lock+0x9be/0x1292 kernel/locking/mutex.c:747
[<ffffffff8630f564>] mutex_lock_nested+0x14/0x1c kernel/locking/mutex.c:799
[<ffffffff803758fe>] rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3782
[<ffffffff8074bd1e>] dev_map_free+0x11c/0x6bc kernel/bpf/devmap.c:214
[<ffffffff805d641a>] bpf_map_free kernel/bpf/syscall.c:862 [inline]
[<ffffffff805d641a>] bpf_map_free_deferred+0x226/0x47a kernel/bpf/syscall.c:888
[<ffffffff801bd390>] process_one_work+0x96a/0x1f32 kernel/workqueue.c:3238
[<ffffffff801c04a0>] process_scheduled_works kernel/workqueue.c:3321 [inline]
[<ffffffff801c04a0>] worker_thread+0x5ce/0xde8 kernel/workqueue.c:3402
[<ffffffff801ddcbc>] kthread+0x39c/0x7d4 kernel/kthread.c:464
[<ffffffff8006977a>] ret_from_fork_kernel+0x2a/0xbb2 arch/riscv/kernel/process.c:214
[<ffffffff863251ea>] ret_from_fork_kernel_asm+0x16/0x18 arch/riscv/kernel/entry.S:327

Showing all locks held in the system:
3 locks held by ksoftirqd/0/15:
1 lock held by khungtaskd/37:
 #0: ffffffff883dc420 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2a/0x1a0 kernel/locking/lockdep.c:6766
1 lock held by syslogd/2986:
2 locks held by getty/3140:
 #0: ffffaf801cf1b0a0 (&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+0x3e4/0x12b6 drivers/tty/n_tty.c:2222
3 locks held by syz-executor/3167:
3 locks held by kworker/u10:1/6384:
2 locks held by kworker/0:0/7932:
2 locks held by kworker/0:2/8224:
1 lock held by syz-executor/8421:
 #0: ffffffff883ec640 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3782
2 locks held by kworker/1:3/8859:
2 locks held by kworker/0:3/9482:
4 locks held by kworker/0:6/9497:
3 locks held by kworker/u10:6/9531:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f32 kernel/workqueue.c:3213
 #1: ffff8f8004627b70 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f32 kernel/workqueue.c:3213
 #2: ffffffff883ec640 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3782
1 lock held by syz-executor/9535:
 #0: ffffffff883ec640 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3782
2 locks held by kworker/u10:8/9821:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f32 kernel/workqueue.c:3213
 #1: ffff8f8004c17b70 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f32 kernel/workqueue.c:3213
2 locks held by kworker/0:10/9872:
3 locks held by kworker/u10:3/9955:
1 lock held by modprobe/9970:

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted 6.16.0-rc1-syzkaller-g306e57988197 #0 PREEMPT 
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff80078bbe>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:132
[<ffffffff8000327a>] show_stack+0x30/0x3c arch/riscv/kernel/stacktrace.c:138
[<ffffffff8006103e>] __dump_stack lib/dump_stack.c:94 [inline]
[<ffffffff8006103e>] dump_stack_lvl+0x12e/0x1a6 lib/dump_stack.c:120
[<ffffffff800610d2>] dump_stack+0x1c/0x24 lib/dump_stack.c:129
[<ffffffff862bf364>] nmi_cpu_backtrace+0x3b0/0x3b2 lib/nmi_backtrace.c:113
[<ffffffff862bf61c>] nmi_trigger_cpumask_backtrace+0x2b6/0x458 lib/nmi_backtrace.c:62
[<ffffffff800863dc>] arch_trigger_cpumask_backtrace+0x2c/0x3c arch/riscv/kernel/smp.c:350
[<ffffffff804edb80>] trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
[<ffffffff804edb80>] check_hung_uninterruptible_tasks kernel/hung_task.c:307 [inline]
[<ffffffff804edb80>] watchdog+0xcf2/0x11de kernel/hung_task.c:470
[<ffffffff801ddcbc>] kthread+0x39c/0x7d4 kernel/kthread.c:464
[<ffffffff8006977a>] ret_from_fork_kernel+0x2a/0xbb2 arch/riscv/kernel/process.c:214
[<ffffffff863251ea>] 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: 9872 Comm: kworker/0:10 Not tainted 6.16.0-rc1-syzkaller-g306e57988197 #0 PREEMPT 
Hardware name: riscv-virtio,qemu (DT)
Workqueue: wg-crypt-wg2 wg_packet_decrypt_worker
epc : __call_rcu_common.constprop.0+0x264/0x9ce kernel/rcu/tree.c:3116
 ra : __call_rcu_common.constprop.0+0x312/0x9ce kernel/rcu/tree.c:3115
epc : ffffffff80383b5a ra : ffffffff80383c08 sp : ffff8f80000074a0
 gp : ffffffff89c7e9c0 tp : ffffaf80133c8000 t0 : ffff8f8000007430
 t1 : 0000000000000008 t2 : 0000000078da8ad7 s0 : ffff8f8000007520
 s1 : ffffaf806ed3bf80 a0 : 0000000000000000 a1 : ffffffff87d6da40
 a2 : 0000000000000003 a3 : 0000000000000101 a4 : 0000000000000001
 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : 0000000057e9ee76
 s2 : ffffaf8042444880 s3 : ffffaf806ed3c070 s4 : 0000000000000002
 s5 : ffffaf806ed3c028 s6 : 1ffff5f00dda780e s7 : 1ffff5f00dda7814
 s8 : ffffaf806ed3c0a0 s9 : 0000000000049780 s10: ffffffffffffffff
 s11: 1ffff5f002be5afd t3 : e7f3346000000000 t4 : 0000000000001fff
 t5 : 00000000000000c8 t6 : 0000000000000002
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff80383b5a>] arch_local_irq_restore arch/riscv/include/asm/irqflags.h:51 [inline]
[<ffffffff80383b5a>] __call_rcu_common.constprop.0+0x264/0x9ce kernel/rcu/tree.c:3115
[<ffffffff803842e4>] call_rcu+0xc/0x14 kernel/rcu/tree.c:3210
[<ffffffff80a52184>] slab_free_hook mm/slub.c:2345 [inline]
[<ffffffff80a52184>] slab_free mm/slub.c:4643 [inline]
[<ffffffff80a52184>] kmem_cache_free+0x176/0x604 mm/slub.c:4745
[<ffffffff8553d5d4>] nf_conntrack_free+0x10c/0x4a4 net/netfilter/nf_conntrack_core.c:1732
[<ffffffff8553dae2>] nf_ct_destroy+0x176/0x272 net/netfilter/nf_conntrack_core.c:601
[<ffffffff85543cd0>] nf_ct_put include/net/netfilter/nf_conntrack.h:186 [inline]
[<ffffffff85543cd0>] nf_ct_put include/net/netfilter/nf_conntrack.h:183 [inline]
[<ffffffff85543cd0>] nf_conntrack_in+0x710/0x1c3c net/netfilter/nf_conntrack_core.c:2058
[<ffffffff85554248>] ipv4_conntrack_in+0x20/0x2e net/netfilter/nf_conntrack_proto.c:207
[<ffffffff855127e8>] nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline]
[<ffffffff855127e8>] nf_hook_slow+0xb8/0x1ec net/netfilter/core.c:623
[<ffffffff85737ad6>] nf_hook include/linux/netfilter.h:272 [inline]
[<ffffffff85737ad6>] NF_HOOK include/linux/netfilter.h:315 [inline]
[<ffffffff85737ad6>] ip_rcv+0x20e/0x44e net/ipv4/ip_input.c:567
[<ffffffff850f58a8>] __netif_receive_skb_one_core+0x106/0x16e net/core/dev.c:5977
[<ffffffff850f5b28>] __netif_receive_skb+0x2c/0x144 net/core/dev.c:6090
[<ffffffff850f6d28>] process_backlog+0x4f6/0x1cb0 net/core/dev.c:6442
[<ffffffff850fb6c2>] __napi_poll.constprop.0+0xaa/0x4ba net/core/dev.c:7414
[<ffffffff850fc5a6>] napi_poll net/core/dev.c:7478 [inline]
[<ffffffff850fc5a6>] net_rx_action+0xad4/0xefc net/core/dev.c:7605
[<ffffffff8015e7ae>] handle_softirqs+0x4b2/0x132e kernel/softirq.c:579
[<ffffffff863252e4>] __do_softirq+0x12/0x1a kernel/softirq.c:613
[<ffffffff8006845c>] ___do_softirq+0x18/0x20 arch/riscv/kernel/irq.c:85
[<ffffffff86325232>] call_on_irq_stack+0x32/0x40 arch/riscv/kernel/entry.S:360