INFO: task dhcpcd:2897 blocked for more than 430 seconds.
      Not tainted 6.10.0-rc3-syzkaller-g83a7eefedc9b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:0     pid:2897  tgid:2897  ppid:2896   flags:0x00000000
Call Trace:
[<ffffffff85c8ba1a>] context_switch kernel/sched/core.c:5408 [inline]
[<ffffffff85c8ba1a>] __schedule+0xd5c/0x3486 kernel/sched/core.c:6745
[<ffffffff85c8e208>] __schedule_loop kernel/sched/core.c:6822 [inline]
[<ffffffff85c8e208>] schedule+0xc4/0x324 kernel/sched/core.c:6837
[<ffffffff85c8f058>] schedule_preempt_disabled+0x16/0x28 kernel/sched/core.c:6894
[<ffffffff85c923ae>] __mutex_lock_common kernel/locking/mutex.c:684 [inline]
[<ffffffff85c923ae>] __mutex_lock+0x86a/0x1022 kernel/locking/mutex.c:752
[<ffffffff85c92b7a>] mutex_lock_nested+0x14/0x1c kernel/locking/mutex.c:804
[<ffffffff84d7ae4c>] netlink_dump+0x562/0x1238 net/netlink/af_netlink.c:2336
[<ffffffff84d7c36e>] netlink_recvmsg+0x84c/0xc30 net/netlink/af_netlink.c:1987
[<ffffffff8494965c>] sock_recvmsg_nosec net/socket.c:1046 [inline]
[<ffffffff8494965c>] sock_recvmsg+0xd6/0x144 net/socket.c:1068
[<ffffffff84949cf2>] ____sys_recvmsg+0x210/0x55a net/socket.c:2804
[<ffffffff8495251a>] ___sys_recvmsg+0x112/0x19e net/socket.c:2846
[<ffffffff84953716>] __sys_recvmsg+0x12e/0x1ee net/socket.c:2876
[<ffffffff84953846>] __do_sys_recvmsg net/socket.c:2886 [inline]
[<ffffffff84953846>] __se_sys_recvmsg net/socket.c:2883 [inline]
[<ffffffff84953846>] __riscv_sys_recvmsg+0x70/0xa2 net/socket.c:2883
[<ffffffff8000e200>] syscall_handler+0x94/0x118 arch/riscv/include/asm/syscall.h:90
[<ffffffff85c81410>] do_trap_ecall_u+0x14c/0x214 arch/riscv/kernel/traps.c:330
[<ffffffff85ca3d18>] ret_from_exception+0x0/0x64 arch/riscv/kernel/entry.S:112
INFO: task syz-executor.0:4426 blocked for more than 430 seconds.
      Not tainted 6.10.0-rc3-syzkaller-g83a7eefedc9b #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:0     pid:4426  tgid:4426  ppid:1      flags:0x00000004
Call Trace:
[<ffffffff85c8ba1a>] context_switch kernel/sched/core.c:5408 [inline]
[<ffffffff85c8ba1a>] __schedule+0xd5c/0x3486 kernel/sched/core.c:6745
[<ffffffff85c8e208>] __schedule_loop kernel/sched/core.c:6822 [inline]
[<ffffffff85c8e208>] schedule+0xc4/0x324 kernel/sched/core.c:6837
[<ffffffff85c8f058>] schedule_preempt_disabled+0x16/0x28 kernel/sched/core.c:6894
[<ffffffff85c923ae>] __mutex_lock_common kernel/locking/mutex.c:684 [inline]
[<ffffffff85c923ae>] __mutex_lock+0x86a/0x1022 kernel/locking/mutex.c:752
[<ffffffff85c92b7a>] mutex_lock_nested+0x14/0x1c kernel/locking/mutex.c:804
[<ffffffff84a55582>] rtnl_lock net/core/rtnetlink.c:79 [inline]
[<ffffffff84a55582>] rtnetlink_rcv_msg+0x3e2/0xdb2 net/core/rtnetlink.c:6632
[<ffffffff84d86358>] netlink_rcv_skb+0x216/0x3dc net/netlink/af_netlink.c:2564
[<ffffffff84a4761a>] rtnetlink_rcv+0x26/0x30 net/core/rtnetlink.c:6653
[<ffffffff84d845f2>] netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
[<ffffffff84d845f2>] netlink_unicast+0x508/0x862 net/netlink/af_netlink.c:1361
[<ffffffff84d851b0>] netlink_sendmsg+0x864/0xdc2 net/netlink/af_netlink.c:1905
[<ffffffff8494a408>] sock_sendmsg_nosec net/socket.c:730 [inline]
[<ffffffff8494a408>] __sock_sendmsg+0xcc/0x162 net/socket.c:745
[<ffffffff84950bc0>] __sys_sendto+0x230/0x320 net/socket.c:2192
[<ffffffff84950d70>] __do_sys_sendto net/socket.c:2204 [inline]
[<ffffffff84950d70>] __se_sys_sendto net/socket.c:2200 [inline]
[<ffffffff84950d70>] __riscv_sys_sendto+0xc0/0x158 net/socket.c:2200
[<ffffffff8000e200>] syscall_handler+0x94/0x118 arch/riscv/include/asm/syscall.h:90
[<ffffffff85c81410>] do_trap_ecall_u+0x14c/0x214 arch/riscv/kernel/traps.c:330
[<ffffffff85ca3d18>] ret_from_exception+0x0/0x64 arch/riscv/kernel/entry.S:112

Showing all locks held in the system:
3 locks held by kworker/u8:0/11:
 #0: ff600000102eb148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x824/0x1d5c kernel/workqueue.c:3206
 #1: ff20000000063c90 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x850/0x1d5c kernel/workqueue.c:3206
 #2: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x22/0x2a net/core/rtnetlink.c:79
1 lock held by khungtaskd/35:
 #0: ffffffff87bc3f00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x68/0x2d6 kernel/locking/lockdep.c:6610
2 locks held by kworker/u9:2/40:
2 locks held by dhcpcd/2897:
 #0: ff6000002aaef678 (nlk_cb_mutex-ROUTE){+.+.}-{3:3}, at: netlink_dump+0xe68/0x1238 net/netlink/af_netlink.c:2277
 #1: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0x562/0x1238 net/netlink/af_netlink.c:2336
2 locks held by getty/3001:
 #0: ff600000171090a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 drivers/tty/tty_ldsem.c:340
 #1: ff20000000e032f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xd6a/0x1288 drivers/tty/n_tty.c:2201
2 locks held by syz-fuzzer/3038:
3 locks held by kworker/1:0/3057:
1 lock held by syz-executor.0/4426:
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e2/0xdb2 net/core/rtnetlink.c:6632
2 locks held by syz-executor.1/4685:
1 lock held by syz-executor.1/4688:
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e2/0xdb2 net/core/rtnetlink.c:6632
1 lock held by syz-executor.0/4692:
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e2/0xdb2 net/core/rtnetlink.c:6632
2 locks held by syz-executor.0/4697:
3 locks held by syz-executor.1/4698:
1 lock held by syz-executor.0/4699:
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e2/0xdb2 net/core/rtnetlink.c:6632
1 lock held by syz-executor.1/4701:
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x3e2/0xdb2 net/core/rtnetlink.c:6632

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