INFO: task kworker/u10:0:3191 blocked for more than 430 seconds.
      Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:0   state:D stack:0     pid:3191  tgid:3191  ppid:2      flags:0x00000000
Workqueue: events_unbound bpf_map_free_deferred
Call Trace:
[<ffffffff85fe3a64>] context_switch kernel/sched/core.c:5315 [inline]
[<ffffffff85fe3a64>] __schedule+0xd5a/0x3886 kernel/sched/core.c:6675
[<ffffffff85fe6654>] __schedule_loop kernel/sched/core.c:6752 [inline]
[<ffffffff85fe6654>] schedule+0xc4/0x324 kernel/sched/core.c:6767
[<ffffffff85ff9402>] schedule_timeout+0x1e2/0x296 kernel/time/timer.c:2591
[<ffffffff85fe8032>] do_wait_for_common kernel/sched/completion.c:95 [inline]
[<ffffffff85fe8032>] __wait_for_common+0x1ca/0x4b6 kernel/sched/completion.c:116
[<ffffffff85fe8338>] wait_for_common kernel/sched/completion.c:127 [inline]
[<ffffffff85fe8338>] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:148
[<ffffffff802d83a6>] rcu_barrier+0x2dc/0x6cc kernel/rcu/tree.c:4629
[<ffffffff8063b324>] dev_map_free+0x11c/0x6b8 kernel/bpf/devmap.c:214
[<ffffffff804e544c>] bpf_map_free kernel/bpf/syscall.c:744 [inline]
[<ffffffff804e544c>] bpf_map_free_deferred+0x21e/0x46a kernel/bpf/syscall.c:768
[<ffffffff80135b62>] process_one_work+0x956/0x1dae kernel/workqueue.c:3229
[<ffffffff80137578>] process_scheduled_works kernel/workqueue.c:3310 [inline]
[<ffffffff80137578>] worker_thread+0x5be/0xdc6 kernel/workqueue.c:3391
[<ffffffff80154e04>] kthread+0x28c/0x3a6 kernel/kthread.c:389
[<ffffffff85ffcbce>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:326

Showing all locks held in the system:
2 locks held by kworker/0:0/8:
2 locks held by kworker/0:1/9:
1 lock held by kworker/R-mm_pe/13:
 #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2727 [inline]
 #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 kernel/workqueue.c:3526
1 lock held by khungtaskd/36:
 #0: ffffffff87fcc100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x68/0x2d6 kernel/locking/lockdep.c:6716
1 lock held by klogd/2998:
2 locks held by getty/3149:
 #0: ff6000001ba200a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340
 #1: ff2000000008b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd7c/0x129a drivers/tty/n_tty.c:2211
2 locks held by sshd/3173:
3 locks held by kworker/u10:0/3191:
 #0: ff60000011071148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1dae kernel/workqueue.c:3204
 #1: ff2000000bc37c90 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1dae kernel/workqueue.c:3204
 #2: ffffffff87fdc6c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:4561
1 lock held by kworker/R-wg-cr/3353:
 #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_attach_to_pool+0x36/0x3c4 kernel/workqueue.c:2669
1 lock held by kworker/R-wg-cr/3360:
 #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2727 [inline]
 #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 kernel/workqueue.c:3526
1 lock held by kworker/R-wg-cr/3378:
 #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2727 [inline]
 #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 kernel/workqueue.c:3526
1 lock held by kworker/R-wg-cr/3405:
 #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: worker_detach_from_pool kernel/workqueue.c:2727 [inline]
 #0: ffffffff87e86d68 (wq_pool_attach_mutex){+.+.}-{3:3}, at: rescuer_thread+0x73e/0xc72 kernel/workqueue.c:3526
1 lock held by kworker/R-wg-cr/3409:
2 locks held by kworker/0:2/3658:
2 locks held by kworker/0:3/3865:
3 locks held by kworker/1:4/3866:
4 locks held by kworker/0:4/3868:
2 locks held by kworker/0:5/3884:
2 locks held by kworker/0:6/3908:
2 locks held by kworker/0:7/3946:
2 locks held by kworker/0:8/3954:
2 locks held by kworker/0:10/3997:
1 lock held by kworker/0:11/4010:
2 locks held by kworker/0:12/4019:

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

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 36 Comm: khungtaskd Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff80010a14>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:130
[<ffffffff85f7c3bc>] show_stack+0x34/0x40 arch/riscv/kernel/stacktrace.c:136
[<ffffffff85fd796a>] __dump_stack lib/dump_stack.c:94 [inline]
[<ffffffff85fd796a>] dump_stack_lvl+0x122/0x196 lib/dump_stack.c:120
[<ffffffff85fd79fa>] dump_stack+0x1c/0x24 lib/dump_stack.c:129
[<ffffffff85f3fa9e>] nmi_cpu_backtrace+0x39c/0x39e lib/nmi_backtrace.c:113
[<ffffffff85f3fd56>] nmi_trigger_cpumask_backtrace+0x2b6/0x456 lib/nmi_backtrace.c:62
[<ffffffff80019964>] arch_trigger_cpumask_backtrace+0x2c/0x3c arch/riscv/kernel/smp.c:347
[<ffffffff80432c2c>] trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
[<ffffffff80432c2c>] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
[<ffffffff80432c2c>] watchdog+0xcfa/0x1178 kernel/hung_task.c:379
[<ffffffff80154e04>] kthread+0x28c/0x3a6 kernel/kthread.c:389
[<ffffffff85ffcbce>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:326
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0
Hardware name: riscv-virtio,qemu (DT)
epc : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
epc : _raw_spin_unlock_irqrestore+0x36/0xd6 kernel/locking/spinlock.c:194
 ra : __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
 ra : _raw_spin_unlock_irqrestore+0x86/0xd6 kernel/locking/spinlock.c:194
epc : ffffffff85ffb79a ra : ffffffff85ffb7ea sp : ff200000001179e0
 gp : ffffffff897bea80 tp : ff600000126f4ec0 t0 : ff600000126f59e0
 t1 : fffffffef2151322 t2 : 0000000000000001 s0 : ff20000000117a00
 s1 : 0000000000000002 a0 : 0000000000000000 a1 : ffffffff8643e620
 a2 : 0000000000f00000 a3 : 0000000000000101 a4 : 0000000000000001
 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffff90a89913
 s2 : ffffffff90a89910 s3 : dfffffff00000000 s4 : 0000000000000003
 s5 : 0000000000000000 s6 : ff6000002e811d50 s7 : 1fe4000000022f44
 s8 : 0000000000000001 s9 : ffffffff90a89910 s10: 0000000200000022
 s11: 1fec000005f3cec9 t3 : 1fec0000024deb3b t4 : fffffffef2151322
 t5 : fffffffef2151323 t6 : 1fec0000024deb40
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff85ffb79a>] arch_local_irq_restore arch/riscv/include/asm/irqflags.h:51 [inline]
[<ffffffff85ffb79a>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
[<ffffffff85ffb79a>] _raw_spin_unlock_irqrestore+0x36/0xd6 kernel/locking/spinlock.c:194
[<ffffffff814ab582>] debug_object_active_state+0x274/0x2c4 lib/debugobjects.c:945
[<ffffffff802df526>] debug_rcu_head_unqueue kernel/rcu/rcu.h:233 [inline]
[<ffffffff802df526>] rcu_do_batch kernel/rcu/tree.c:2559 [inline]
[<ffffffff802df526>] rcu_core+0x9c0/0x1eac kernel/rcu/tree.c:2823
[<ffffffff802e0e20>] rcu_core_si+0xc/0x14 kernel/rcu/tree.c:2840
[<ffffffff800e0faa>] handle_softirqs+0x4a6/0x10de kernel/softirq.c:554
[<ffffffff800e1cb0>] run_ksoftirqd kernel/softirq.c:927 [inline]
[<ffffffff800e1cb0>] run_ksoftirqd+0xce/0x144 kernel/softirq.c:919
[<ffffffff8016af06>] smpboot_thread_fn+0x654/0xb98 kernel/smpboot.c:164
[<ffffffff80154e04>] kthread+0x28c/0x3a6 kernel/kthread.c:389
[<ffffffff85ffcbce>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:326