INFO: task kworker/u10:2:5330 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/u10:2   state:D stack:0     pid:5330  tgid:5330  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:
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/2997:
2 locks held by getty/3149:
 #0: ff6000001c1b00a0 (&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/3178:
3 locks held by kworker/0:1/3182:
3 locks held by kworker/0:4/3874:
2 locks held by kworker/0:6/3876:
2 locks held by syz.0.27/3982:
1 lock held by syz-executor/4003:
 #0: ffffffff87fdc6c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:4561
2 locks held by kworker/0:0/4453:
3 locks held by kworker/u10:2/5330:
 #0: ff60000011071148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1dae kernel/workqueue.c:3204
 #1: ff20000006c67c90 ((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
3 locks held by kworker/1:0/5389:
2 locks held by kworker/0:2/5563:
1 lock held by syz.1.659/5889:
 #0: ffffffff87fdc6c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:4561
4 locks held by kworker/0:3/5903:
7 locks held by syz-executor/5906:
 #0: ff6000001c25e420 (sb_writers#7){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1716 [inline]
 #0: ff6000001c25e420 (sb_writers#7){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1852 [inline]
 #0: ff6000001c25e420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2931 [inline]
 #0: ff6000001c25e420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x728/0x9b4 fs/read_write.c:679
 #1: ff6000002ba72088 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x23a/0x460 fs/kernfs/file.c:325
 #2: ff6000001b7294b8 (kn->active#4){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x258/0x460 fs/kernfs/file.c:326
 #3: ffffffff88c129e8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xf0/0x48c drivers/net/netdevsim/bus.c:216
 #4: ff600000161360e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
 #4: ff600000161360e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
 #4: ff600000161360e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x9c/0x572 drivers/base/dd.c:1293
 #5: ff60000014f87250 (&devlink->lock_key){+.+.}-{3:3}, at: devl_lock+0x22/0x2c net/devlink/core.c:276
 #6: ffffffff87fdc6c0 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:4561
4 locks held by syz-executor/5990:
 #0: ff6000001c25e420 (sb_writers#7){.+.+}-{0:0}, at: __sb_start_write include/linux/fs.h:1716 [inline]
 #0: ff6000001c25e420 (sb_writers#7){.+.+}-{0:0}, at: sb_start_write include/linux/fs.h:1852 [inline]
 #0: ff6000001c25e420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2931 [inline]
 #0: ff6000001c25e420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x728/0x9b4 fs/read_write.c:679
 #1: ff60000037094088 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x23a/0x460 fs/kernfs/file.c:325
 #2: ff6000001b7294b8 (kn->active#4){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x258/0x460 fs/kernfs/file.c:326
 #3: ffffffff88c129e8 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xf0/0x48c drivers/net/netdevsim/bus.c:216

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

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: 5563 Comm: kworker/0:2 Not tainted 6.12.0-rc1-syzkaller-00002-gcfb10de18538 #0
Hardware name: riscv-virtio,qemu (DT)
Workqueue: events_power_efficient wg_ratelimiter_gc_entries
epc : arch_local_irq_restore arch/riscv/include/asm/irqflags.h:51 [inline]
epc : seqcount_lockdep_reader_access include/linux/seqlock.h:74 [inline]
epc : nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:345 [inline]
epc : ____nf_conntrack_find net/netfilter/nf_conntrack_core.c:744 [inline]
epc : __nf_conntrack_find_get+0x150/0x906 net/netfilter/nf_conntrack_core.c:780
 ra : arch_local_irq_restore arch/riscv/include/asm/irqflags.h:51 [inline]
 ra : seqcount_lockdep_reader_access include/linux/seqlock.h:74 [inline]
 ra : nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:345 [inline]
 ra : ____nf_conntrack_find net/netfilter/nf_conntrack_core.c:744 [inline]
 ra : __nf_conntrack_find_get+0x14c/0x906 net/netfilter/nf_conntrack_core.c:780
epc : ffffffff851426f8 ra : ffffffff851426f4 sp : ff200000000074a0
 gp : ffffffff897bea80 tp : ff6000001b170000 t0 : ff6000001b170b20
 t1 : ff6000001b170be8 t2 : 000000000000035a s0 : ff200000000075e0
 s1 : 0000000000000002 a0 : 0000000000000007 a1 : 0000000000000000
 a2 : 0000000000f00000 a3 : ffffffff851426f4 a4 : 0000000000000000
 a5 : ff6000001b170000 a6 : 0000000000f00000 a7 : 1fec00000362e172
 s2 : 0000000000000000 s3 : dfffffff00000000 s4 : ff200000000078d0
 s5 : ff20000000007560 s6 : ffffffff90bb15c0 s7 : fffffffef0fc2038
 s8 : ffffffff80147780 s9 : ffffffff87e101c0 s10: ff6000001aeb1cc0
 s11: 1fec00000590e1c5 t3 : 1fec00000362e163 t4 : 000000000000000a
 t5 : 14a8f2c0a0c8c33a t6 : 1fec00000362e181
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff851426f8>] arch_local_irq_restore arch/riscv/include/asm/irqflags.h:51 [inline]
[<ffffffff851426f8>] seqcount_lockdep_reader_access include/linux/seqlock.h:74 [inline]
[<ffffffff851426f8>] nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:345 [inline]
[<ffffffff851426f8>] ____nf_conntrack_find net/netfilter/nf_conntrack_core.c:744 [inline]
[<ffffffff851426f8>] __nf_conntrack_find_get+0x150/0x906 net/netfilter/nf_conntrack_core.c:780
[<ffffffff85143b2e>] resolve_normal_ct net/netfilter/nf_conntrack_core.c:1876 [inline]
[<ffffffff85143b2e>] nf_conntrack_in+0x4f4/0x1b28 net/netfilter/nf_conntrack_core.c:2040
[<ffffffff8515404c>] ipv4_conntrack_in+0x20/0x2e net/netfilter/nf_conntrack_proto.c:207
[<ffffffff85112720>] nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
[<ffffffff85112720>] nf_hook_slow+0xb8/0x1ec net/netfilter/core.c:626
[<ffffffff85330806>] nf_hook include/linux/netfilter.h:269 [inline]
[<ffffffff85330806>] NF_HOOK include/linux/netfilter.h:312 [inline]
[<ffffffff85330806>] ip_rcv+0x20e/0x44e net/ipv4/ip_input.c:569
[<ffffffff84d21a44>] __netif_receive_skb_one_core+0x106/0x16e net/core/dev.c:5662
[<ffffffff84d21cc4>] __netif_receive_skb+0x2c/0x144 net/core/dev.c:5775
[<ffffffff84d22d48>] process_backlog+0x4fc/0x1cbc net/core/dev.c:6107
[<ffffffff84d275fa>] __napi_poll.constprop.0+0xaa/0x4b8 net/core/dev.c:6771
[<ffffffff84d2841a>] napi_poll net/core/dev.c:6840 [inline]
[<ffffffff84d2841a>] net_rx_action+0xa12/0xf10 net/core/dev.c:6962
[<ffffffff800e0faa>] handle_softirqs+0x4a6/0x10de kernel/softirq.c:554
[<ffffffff800e1eae>] __do_softirq kernel/softirq.c:588 [inline]
[<ffffffff800e1eae>] invoke_softirq kernel/softirq.c:428 [inline]
[<ffffffff800e1eae>] __irq_exit_rcu+0x188/0x372 kernel/softirq.c:637
[<ffffffff800e2adc>] irq_exit_rcu+0x10/0xf8 kernel/softirq.c:649
[<ffffffff85fd94e4>] handle_riscv_irq+0x40/0x4c arch/riscv/kernel/traps.c:378
[<ffffffff85ffcc0a>] call_on_irq_stack+0x32/0x40 arch/riscv/kernel/entry.S:355