INFO: task kworker/0:2:1154 blocked for more than 146 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D stack:0     pid:1154  tgid:1154  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events drain_vmap_area_work
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
 context_switch kernel/sched/core.c:5520 [inline]
 __schedule+0x1370/0x2d80 kernel/sched/core.c:7270
 __schedule_loop kernel/sched/core.c:7347 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7362
 schedule_timeout+0xc0/0x28c kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common kernel/sched/completion.c:121 [inline]
 wait_for_common+0x220/0x394 kernel/sched/completion.c:132
 wait_for_completion+0x18/0x24 kernel/sched/completion.c:153
 __flush_work+0x820/0xa24 kernel/workqueue.c:4439
 flush_work+0x34/0x48 kernel/workqueue.c:4460
 __purge_vmap_area_lazy+0x838/0xd38 mm/vmalloc.c:2427
 drain_vmap_area_work+0x38/0x50 mm/vmalloc.c:2452
 process_one_work kernel/workqueue.c:3387 [inline]
 process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3470
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3551
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838
INFO: task dhcpcd:4394 blocked for more than 146 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:0     pid:4394  tgid:4394  ppid:4393   task_flags:0x400140 flags:0x00000000
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
 context_switch kernel/sched/core.c:5520 [inline]
 __schedule+0x1370/0x2d80 kernel/sched/core.c:7270
 __schedule_loop kernel/sched/core.c:7347 [inline]
 schedule+0x13c/0x20c kernel/sched/core.c:7362
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7419
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x4ec/0xf14 kernel/locking/mutex.c:821
 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874
 rtnl_lock net/core/rtnetlink.c:80 [inline]
 rtnl_dump_ifinfo+0x820/0x1088 net/core/rtnetlink.c:2613
 rtnl_dumpit+0xc0/0x1d0 net/core/rtnetlink.c:7001
 netlink_dump+0x55c/0xb6c net/netlink/af_netlink.c:2331
 __netlink_dump_start+0x4c4/0x6f8 net/netlink/af_netlink.c:2446
 netlink_dump_start include/linux/netlink.h:341 [inline]
 rtnetlink_dump_start net/core/rtnetlink.c:7030 [inline]
 rtnetlink_rcv_msg+0x830/0x9bc net/core/rtnetlink.c:7097
 netlink_rcv_skb+0x238/0x414 net/netlink/af_netlink.c:2556
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:7159
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:800 [inline]
 __sock_sendmsg+0xc8/0x17c net/socket.c:815
 __sys_sendto+0x250/0x328 net/socket.c:2281
 __do_sys_sendto net/socket.c:2288 [inline]
 __se_sys_sendto net/socket.c:2284 [inline]
 __arm64_sys_sendto+0xec/0x10c net/socket.c:2284
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:758
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590
INFO: task syz.1.713:8023 blocked for more than 146 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.713       state:D stack:0     pid:8023  tgid:8022  ppid:4713   task_flags:0x400140 flags:0x00000011