INFO: task kworker/u9:0:26 blocked for more than 430 seconds.
      Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u9:0    state:D stack:0     pid:26    tgid:26    ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events_unbound bpf_map_free_deferred
Call Trace:
[<ffffffff8632de30>] context_switch kernel/sched/core.c:5396 [inline]
[<ffffffff8632de30>] __schedule+0x1022/0x4094 kernel/sched/core.c:6785
[<ffffffff86330f66>] __schedule_loop kernel/sched/core.c:6863 [inline]
[<ffffffff86330f66>] schedule+0xc4/0x35e kernel/sched/core.c:6878
[<ffffffff863454fa>] schedule_timeout+0x1c6/0x2ae kernel/time/sleep_timeout.c:75
[<ffffffff86332aee>] do_wait_for_common kernel/sched/completion.c:95 [inline]
[<ffffffff86332aee>] __wait_for_common+0x1d2/0x3e8 kernel/sched/completion.c:116
[<ffffffff86332d1e>] wait_for_common kernel/sched/completion.c:127 [inline]
[<ffffffff86332d1e>] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:148
[<ffffffff80375b84>] rcu_barrier+0x2dc/0x6cc kernel/rcu/tree.c:3850
[<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
[<ffffffff8634b8fa>] ret_from_fork_kernel_asm+0x16/0x18 arch/riscv/kernel/entry.S:327

Showing all locks held in the system:
3 locks held by kworker/u9:0/26:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f32 kernel/workqueue.c:3213
 #1: ffff8f80001c7b70 ((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 khungtaskd/38:
 #0: ffffffff883dc420 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2a/0x1a0 kernel/locking/lockdep.c:6766
1 lock held by syslogd/3002:
1 lock held by klogd/3006:
2 locks held by getty/3155:
 #0: ffffaf801b7df0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340
 #1: ffff8f800008e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x3e4/0x12b6 drivers/tty/n_tty.c:2222
1 lock held by syz-executor/3187:
2 locks held by kworker/1:0/3189:
1 lock held by syz-executor/3195:
2 locks held by kworker/1:5/4188:
2 locks held by kworker/0:6/4509:
4 locks held by kworker/1:4/4690:
3 locks held by kworker/u9:6/4701:
 #0: ffffaf806ed3b0d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:606 [inline]
 #0: ffffaf806ed3b0d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1532 [inline]
 #0: ffffaf806ed3b0d8 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1856 [inline]
 #0: ffffaf806ed3b0d8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x304/0x4094 kernel/sched/core.c:6709
 #1: ffffaf806ed25688 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x22a/0x718 kernel/sched/psi.c:987
 #2: ffffaf806ed27098 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x156/0x1f4 kernel/time/timer.c:1004
2 locks held by kworker/1:8/4762:
2 locks held by kworker/1:1/4974:
2 locks held by syz.0.405/4977:

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #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
[<ffffffff862e5a74>] nmi_cpu_backtrace+0x3b0/0x3b2 lib/nmi_backtrace.c:113
[<ffffffff862e5d2c>] 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
[<ffffffff8634b8fa>] ret_from_fork_kernel_asm+0x16/0x18 arch/riscv/kernel/entry.S:327
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 4690 Comm: kworker/1:4 Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 PREEMPT 
Hardware name: riscv-virtio,qemu (DT)
Workqueue: wg-crypt-wg2 wg_packet_decrypt_worker
epc : kasan_quarantine_put+0x8a/0x1fa mm/kasan/quarantine.c:236
 ra : kasan_quarantine_put+0x198/0x1fa mm/kasan/quarantine.c:234
epc : ffffffff80af6d8c ra : ffffffff80af6e9a sp : ffff8f8000017bb0
 gp : ffffffff89c83ca0 tp : ffffaf80133b4ec0 t0 : ffff8f8000017b90
 t1 : 000000000000000d t2 : 1ffff1f000002f08 s0 : ffff8f8000017bf0
 s1 : 000000000002cc40 a0 : 0000000000000001 a1 : ffffffff87d71b68
 a2 : 0000000000000003 a3 : 0000000000000101 a4 : 0000000000000001
 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : 000000006d4ace2c
 s2 : ffffaf8034c4f040 s3 : 0000000000000002 s4 : ffffaf8011401780
 s5 : 0000000000000000 s6 : 0000000000000000 s7 : 0000000000000001
 s8 : 0000022d67944300 s9 : 0000000000002710 s10: ffffffff89cc4ca0
 s11: 1ffff5f006989e09 t3 : 29e476ff00000000 t4 : fffffffef21fb199
 t5 : fffffffef21fb19a t6 : 0000000000000002
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff80af6d8c>] arch_local_irq_restore arch/riscv/include/asm/irqflags.h:51 [inline]
[<ffffffff80af6d8c>] kasan_quarantine_put+0x8a/0x1fa mm/kasan/quarantine.c:234
[<ffffffff80af2d1c>] __kasan_slab_free+0x56/0x68 mm/kasan/common.c:271
[<ffffffff80a4e976>] kasan_slab_free include/linux/kasan.h:233 [inline]
[<ffffffff80a4e976>] slab_free_hook mm/slub.c:2381 [inline]
[<ffffffff80a4e976>] slab_free mm/slub.c:4643 [inline]
[<ffffffff80a4e976>] kfree+0x252/0x4da mm/slub.c:4842
[<ffffffff80a51a3a>] slab_free_after_rcu_debug+0x9a/0x378 mm/slub.c:4680
[<ffffffff8037e76e>] rcu_do_batch kernel/rcu/tree.c:2576 [inline]
[<ffffffff8037e76e>] rcu_core+0xa24/0x1ea0 kernel/rcu/tree.c:2832
[<ffffffff8037fff8>] rcu_core_si+0xc/0x14 kernel/rcu/tree.c:2849
[<ffffffff8015e7ae>] handle_softirqs+0x4b2/0x132e kernel/softirq.c:579
[<ffffffff8634b9f4>] __do_softirq+0x12/0x1a kernel/softirq.c:613
[<ffffffff8006845c>] ___do_softirq+0x18/0x20 arch/riscv/kernel/irq.c:85
[<ffffffff8634b942>] call_on_irq_stack+0x32/0x40 arch/riscv/kernel/entry.S:360