INFO: task dhcpcd:2896 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:2896  tgid:2896  ppid:2895   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
[<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
[<ffffffff8494b016>] ____sys_sendmsg+0x5ce/0x79e net/socket.c:2585
[<ffffffff84952366>] ___sys_sendmsg+0x144/0x1e6 net/socket.c:2639
[<ffffffff84952e3e>] __sys_sendmsg+0x130/0x1f0 net/socket.c:2668
[<ffffffff84952f6e>] __do_sys_sendmsg net/socket.c:2677 [inline]
[<ffffffff84952f6e>] __se_sys_sendmsg net/socket.c:2675 [inline]
[<ffffffff84952f6e>] __riscv_sys_sendmsg+0x70/0xa2 net/socket.c:2675
[<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.0:3998 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:3998  tgid:3993  ppid:3063   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
[<ffffffff84a41adc>] rtnl_lock+0x22/0x2a net/core/rtnetlink.c:79
[<ffffffff84db0046>] dev_ethtool+0x17c/0x346 net/ethtool/ioctl.c:3176
[<ffffffff84ad4f72>] dev_ioctl+0x4e4/0xf9e net/core/dev_ioctl.c:723
[<ffffffff84948ff0>] sock_do_ioctl+0x180/0x24a net/socket.c:1236
[<ffffffff8494dde4>] sock_ioctl+0x294/0x61a net/socket.c:1341
[<ffffffff80a0ef20>] vfs_ioctl fs/ioctl.c:51 [inline]
[<ffffffff80a0ef20>] __do_sys_ioctl fs/ioctl.c:907 [inline]
[<ffffffff80a0ef20>] __se_sys_ioctl fs/ioctl.c:893 [inline]
[<ffffffff80a0ef20>] __riscv_sys_ioctl+0x186/0x1d6 fs/ioctl.c:893
[<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:
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/u9:3/60:
 #0: ff6000000b871148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x824/0x1d5c kernel/workqueue.c:3206
 #1: ff200000002b3c90 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x850/0x1d5c kernel/workqueue.c:3206
1 lock held by klogd/2851:
1 lock held by dhcpcd/2896:
 #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 getty/3001:
 #0: ff60000015e6a0a0 (&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/3033:
3 locks held by kworker/u8:1/3658:
 #0: ff60000017554948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x824/0x1d5c kernel/workqueue.c:3206
 #1: ff20000007fa3c90 ((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
5 locks held by kworker/0:4/3702:
2 locks held by syz-executor.1/3955:
1 lock held by syz-executor.0/3998:
 #0: ffffffff88e43968 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x22/0x2a net/core/rtnetlink.c:79
1 lock held by syz-executor.1/4002:
 #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.0/4006:
 #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.1/4010:
 #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.0/4015:
 #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.1/4019:
1 lock held by modprobe/4022:

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