INFO: task kworker/u10:0:28 blocked for more than 432 seconds.
      Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u10:0   state:D stack:0     pid:28    tgid:28    ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events_unbound bpf_map_free_deferred
Call Trace:
[<ffffffff86245be6>] context_switch kernel/sched/core.c:5377 [inline]
[<ffffffff86245be6>] __schedule+0xe4c/0x3d70 kernel/sched/core.c:6764
[<ffffffff86248bce>] __schedule_loop kernel/sched/core.c:6841 [inline]
[<ffffffff86248bce>] schedule+0xc4/0x324 kernel/sched/core.c:6856
[<ffffffff8625ce86>] schedule_timeout+0x1c6/0x28a kernel/time/sleep_timeout.c:75
[<ffffffff8624a70a>] do_wait_for_common kernel/sched/completion.c:95 [inline]
[<ffffffff8624a70a>] __wait_for_common+0x1ca/0x4b6 kernel/sched/completion.c:116
[<ffffffff8624aa10>] wait_for_common kernel/sched/completion.c:127 [inline]
[<ffffffff8624aa10>] wait_for_completion+0x1a/0x22 kernel/sched/completion.c:148
[<ffffffff803682e2>] rcu_barrier+0x2dc/0x6cc kernel/rcu/tree.c:3809
[<ffffffff806f2124>] dev_map_free+0x11c/0x6bc kernel/bpf/devmap.c:214
[<ffffffff80590aa6>] bpf_map_free kernel/bpf/syscall.c:841 [inline]
[<ffffffff80590aa6>] bpf_map_free_deferred+0x226/0x47a kernel/bpf/syscall.c:867
[<ffffffff801b365c>] process_one_work+0x96a/0x1f3a kernel/workqueue.c:3236
[<ffffffff801b666e>] process_scheduled_works kernel/workqueue.c:3317 [inline]
[<ffffffff801b666e>] worker_thread+0x5be/0xdc6 kernel/workqueue.c:3398
[<ffffffff801d3ae2>] kthread+0x37e/0x7b6 kernel/kthread.c:464
[<ffffffff86261292>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:327
INFO: task syz-executor:6257 blocked for more than 446 seconds.
      Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:0     pid:6257  tgid:6257  ppid:6245   task_flags:0x400140 flags:0x00000000
Call Trace:
[<ffffffff86245be6>] context_switch kernel/sched/core.c:5377 [inline]
[<ffffffff86245be6>] __schedule+0xe4c/0x3d70 kernel/sched/core.c:6764
[<ffffffff86248bce>] __schedule_loop kernel/sched/core.c:6841 [inline]
[<ffffffff86248bce>] schedule+0xc4/0x324 kernel/sched/core.c:6856
[<ffffffff86249518>] schedule_preempt_disabled+0x16/0x28 kernel/sched/core.c:6913
[<ffffffff8624d014>] __mutex_lock_common kernel/locking/mutex.c:662 [inline]
[<ffffffff8624d014>] __mutex_lock+0x9b2/0x1230 kernel/locking/mutex.c:730
[<ffffffff8624d8a6>] mutex_lock_nested+0x14/0x1c kernel/locking/mutex.c:782
[<ffffffff84fd21e4>] rtnl_lock+0x22/0x2a net/core/rtnetlink.c:79
[<ffffffff8572b83c>] rtnl_net_lock include/linux/rtnetlink.h:129 [inline]
[<ffffffff8572b83c>] inet_rtm_newaddr+0x35c/0x15c4 net/ipv4/devinet.c:987
[<ffffffff84fe8c60>] rtnetlink_rcv_msg+0x9e2/0xdbe net/core/rtnetlink.c:6911
[<ffffffff8532e990>] netlink_rcv_skb+0x216/0x3dc net/netlink/af_netlink.c:2543
[<ffffffff84fd69a6>] rtnetlink_rcv+0x26/0x30 net/core/rtnetlink.c:6938
[<ffffffff8532cc44>] netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
[<ffffffff8532cc44>] netlink_unicast+0x4f0/0x82c net/netlink/af_netlink.c:1348
[<ffffffff8532d7e4>] netlink_sendmsg+0x864/0xdc6 net/netlink/af_netlink.c:1892
[<ffffffff84ecc19e>] sock_sendmsg_nosec net/socket.c:713 [inline]
[<ffffffff84ecc19e>] __sock_sendmsg+0xcc/0x160 net/socket.c:728
[<ffffffff84ed4200>] __sys_sendto+0x27a/0x34c net/socket.c:2182
[<ffffffff84ed4392>] __do_sys_sendto net/socket.c:2189 [inline]
[<ffffffff84ed4392>] __se_sys_sendto net/socket.c:2185 [inline]
[<ffffffff84ed4392>] __riscv_sys_sendto+0xc0/0x158 net/socket.c:2185
[<ffffffff80072b1e>] syscall_handler+0x94/0x118 arch/riscv/include/asm/syscall.h:90
[<ffffffff8623b45e>] do_trap_ecall_u+0x1aa/0x216 arch/riscv/kernel/traps.c:331
[<ffffffff8626117a>] handle_exception+0x146/0x152 arch/riscv/kernel/entry.S:197

Showing all locks held in the system:
1 lock held by kthreadd/2:
5 locks held by kworker/0:1/9:
3 locks held by kworker/u10:0/28:
 #0: ffffaf8011a89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a kernel/workqueue.c:3211
 #1: ffff8f80001e7bd0 ((work_completion)(&map->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a kernel/workqueue.c:3211
 #2: ffffffff883e7d00 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x56/0x6cc kernel/rcu/tree.c:3741
1 lock held by khungtaskd/37:
 #0: ffffffff883d7b80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x68/0x288 kernel/locking/lockdep.c:6742
4 locks held by kworker/u10:3/63:
2 locks held by kswapd0/79:
3 locks held by kworker/R-ipv6_/1919:
 #0: ffffaf8016110948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a kernel/workqueue.c:3211
 #1: ffff8f8004e07b90 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a kernel/workqueue.c:3211
 #2: ffffffff89805d08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x22/0x2a net/core/rtnetlink.c:79
4 locks held by kworker/u9:5/1956:
 #0: ffffaf801e4d6148 ((wq_completion)wg-kex-wg1){+.+.}-{0:0}, at: process_one_work+0x848/0x1f3a kernel/workqueue.c:3211
 #1: ffff8f8005067bd0 ((work_completion)(&peer->transmit_handshake_work)){+.+.}-{0:0}, at: process_one_work+0x870/0x1f3a kernel/workqueue.c:3211
 #2: ffffaf802f8a5308 (&wg->static_identity.lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xe4/0x5f0 drivers/net/wireguard/noise.c:529
 #3: ffffaf8019d01fb8 (&handshake->lock){++++}-{4:4}, at: wg_noise_handshake_create_initiation+0xee/0x5f0 drivers/net/wireguard/noise.c:530
1 lock held by klogd/2996:
1 lock held by dhcpcd/3040:
2 locks held by getty/3140:
 #0: ffffaf80162730a0 (&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
2 locks held by sshd/3171:
2 locks held by syz-executor/3173:
2 locks held by syz-executor/3183:
4 locks held by kworker/1:6/4434:
4 locks held by kworker/u8:1/5049:
4 locks held by kworker/1:0/5530:
4 locks held by kworker/0:2/5703:
3 locks held by kworker/u9:4/5715:
5 locks held by kworker/u8:0/5940:
4 locks held by kworker/0:3/6234:
2 locks held by kworker/0:4/6248:
2 locks held by kworker/u10:6/6252:
4 locks held by kworker/1:1/6253:
1 lock held by syz-executor/6257:
 #0: ffffffff89805d08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x22/0x2a net/core/rtnetlink.c:79
2 locks held by syz.0.895/6263:
1 lock held by syz.0.895/6264:
 #0: ffffaf801cd713d0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:190 [inline]
 #0: ffffaf801cd713d0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mm kernel/exit.c:546 [inline]
 #0: ffffaf801cd713d0 (&mm->mmap_lock){++++}-{4:4}, at: do_exit+0x808/0x2966 kernel/exit.c:925

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

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
[<ffffffff861ff5f8>] nmi_cpu_backtrace+0x3b0/0x3b2 lib/nmi_backtrace.c:113
[<ffffffff861ff8b0>] nmi_trigger_cpumask_backtrace+0x2b6/0x458 lib/nmi_backtrace.c:62
[<ffffffff80080416>] arch_trigger_cpumask_backtrace+0x2c/0x3e arch/riscv/kernel/smp.c:348
[<ffffffff804d9498>] trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
[<ffffffff804d9498>] check_hung_uninterruptible_tasks kernel/hung_task.c:236 [inline]
[<ffffffff804d9498>] watchdog+0xcf2/0x11de kernel/hung_task.c:399
[<ffffffff801d3ae2>] kthread+0x37e/0x7b6 kernel/kthread.c:464
[<ffffffff86261292>] 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: 6248 Comm: kworker/0:4 Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0
Hardware name: riscv-virtio,qemu (DT)
Workqueue: events free_obj_work
epc : kasan_quarantine_put+0x8a/0x1fa mm/kasan/quarantine.c:236
 ra : kasan_quarantine_put+0x198/0x1fa mm/kasan/quarantine.c:234
epc : ffffffff80a6cb24 ra : ffffffff80a6cc32 sp : ffff8f8003327830
 gp : ffffffff89c21d80 tp : ffffaf801a94ce00 t0 : ffff8f8003327810
 t1 : 0000000000000008 t2 : 000000000000001e s0 : ffff8f8003327870
 s1 : 000000000001b7e8 a0 : 0000000000000000 a1 : 0000000000000000
 a2 : 0000000000000000 a3 : ffffffff816ba6d8 a4 : 0000000000000001
 a5 : 0000000000000000 a6 : 0000000000000003 a7 : 1ffff5f003529b27
 s2 : ffffaf80386a5268 s3 : 0000000000000002 s4 : ffffaf801140d780
 s5 : 0000000000000000 s6 : ffffffff89d33720 s7 : 0000000000000000
 s8 : ffff8f80033279e0 s9 : 0000000000000010 s10: ffffaf801140d780
 s11: 1ffff5f0070d4a4d t3 : ffffaf801a94d8f0 t4 : fffffffef111904c
 t5 : fffffffef111904d t6 : 0000000000000005
status: 0000000200000120 badaddr: 0000000000000000 cause: 8000000000000001
[<ffffffff80a6cb24>] arch_local_irq_restore arch/riscv/include/asm/irqflags.h:51 [inline]
[<ffffffff80a6cb24>] kasan_quarantine_put+0x8a/0x1fa mm/kasan/quarantine.c:234
[<ffffffff80a68ef4>] __kasan_slab_free+0x56/0x68 mm/kasan/common.c:271
[<ffffffff809cafe0>] kasan_slab_free include/linux/kasan.h:233 [inline]
[<ffffffff809cafe0>] slab_free_hook mm/slub.c:2353 [inline]
[<ffffffff809cafe0>] slab_free mm/slub.c:4609 [inline]
[<ffffffff809cafe0>] kmem_cache_free+0x36c/0x63e mm/slub.c:4711
[<ffffffff816bb3c8>] free_object_list.isra.0+0x182/0x268 lib/debugobjects.c:326
[<ffffffff816bc0e4>] free_obj_work+0x1a6/0x35c lib/debugobjects.c:513
[<ffffffff801b365c>] process_one_work+0x96a/0x1f3a kernel/workqueue.c:3236
[<ffffffff801b666e>] process_scheduled_works kernel/workqueue.c:3317 [inline]
[<ffffffff801b666e>] worker_thread+0x5be/0xdc6 kernel/workqueue.c:3398
[<ffffffff801d3ae2>] kthread+0x37e/0x7b6 kernel/kthread.c:464
[<ffffffff86261292>] ret_from_fork+0xe/0x18 arch/riscv/kernel/entry.S:327