INFO: task kworker/u10:3:3296 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/u10:3   state:D stack:0     pid:3296  tgid:3296  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
2 locks held by getty/3138:
 #0: ffffaf801cf110a0 (&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
3 locks held by sshd/3167:
3 locks held by kworker/u10:3/3296:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a kernel/workqueue.c:3211
 #1: ffff8f800cfc7bd0 ((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/0:0/3782:
2 locks held by kworker/0:3/3810:
2 locks held by kworker/0:4/3868:
5 locks held by kworker/0:5/4149:
2 locks held by kworker/u10:2/4393:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a kernel/workqueue.c:3211
 #1: ffff8f80073c7bd0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a kernel/workqueue.c:3211
2 locks held by kworker/0:1/4907:
1 lock held by syz.1.445/5091:
 #0: ffffffff883e8380 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3741
3 locks held by kworker/u10:8/5203:
 #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: psi_task_switch+0x22c/0x71a kernel/sched/psi.c:987
 #2: ffffaf8018152250 (&devlink->lock_key){+.+.}-{4:4}, at: devl_trylock+0x20/0x2a net/devlink/core.c:282
1 lock held by syz.0.476/5481:
2 locks held by modprobe/5480:

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

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: 16 Comm: ksoftirqd/0 Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0
Hardware name: riscv-virtio,qemu (DT)
epc : __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
epc : _raw_spin_unlock_irq+0x2e/0xb2 kernel/locking/spinlock.c:202
 ra : __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
 ra : _raw_spin_unlock_irq+0x2a/0xb2 kernel/locking/spinlock.c:202
epc : ffffffff86266298 ra : ffffffff86266294 sp : ffff8f8000117830
 gp : ffffffff89c1d3c0 tp : ffffaf801328cec0 t0 : 88019e22f5582d91
 t1 : fffff5ef0ddad679 t2 : 00000000000004db s0 : ffff8f8000117850
 s1 : ffffaf806ed6b3c8 a0 : 0000000000000000 a1 : ffffffff86842140
 a2 : 0000000000f00000 a3 : 0000000000000101 a4 : 0000000000000001
 a5 : 000000000013eb76 a6 : 0000000000f00000 a7 : ffffaf806ed6b3cb
 s2 : ffffaf806ed6b268 s3 : ffffaf806ed6b290 s4 : ffffffff90fcb3a0
 s5 : ffffffff89d27260 s6 : ffffaf806ed6b408 s7 : 0000000000000038
 s8 : ffffaf801c908280 s9 : ffffffff86674268 s10: 0000000000000003
 s11: 0000000000000040 t3 : ffffaf801328d9f0 t4 : fffff5ef0ddad679
 t5 : fffff5ef0ddad67a t6 : 0000000000000006
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff86266298>] arch_local_irq_enable arch/riscv/include/asm/irqflags.h:21 [inline]
[<ffffffff86266298>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
[<ffffffff86266298>] _raw_spin_unlock_irq+0x2e/0xb2 kernel/locking/spinlock.c:202
[<ffffffff84f9f66a>] spin_unlock_irq include/linux/spinlock.h:401 [inline]
[<ffffffff84f9f66a>] backlog_unlock_irq_enable net/core/dev.c:258 [inline]
[<ffffffff84f9f66a>] process_backlog+0x1164/0x1cb0 net/core/dev.c:6318
[<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
[<ffffffff801579c4>] run_ksoftirqd kernel/softirq.c:950 [inline]
[<ffffffff801579c4>] run_ksoftirqd+0xce/0x144 kernel/softirq.c:942
[<ffffffff801e9fda>] smpboot_thread_fn+0x654/0xb96 kernel/smpboot.c:164
[<ffffffff801d3b2e>] kthread+0x37e/0x7b6 kernel/kthread.c:464
[<ffffffff8626888e>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:327