[v6.1] INFO: task hung in nl802154_prepare_wpan_dev_dump

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 4078fa637fcd Linux 6.1.91
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=14b4b88a980000
kernel config: https://syzkaller.appspot.com/x/.config?x=715ba80acfd3def4
dashboard link: https://syzkaller.appspot.com/bug?extid=55e2ae78d6da07fc5cf9
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/2443dfe91c62/disk-4078fa63.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/12dbc2af3348/vmlinux-4078fa63.xz
kernel image: https://storage.googleapis.com/syzbot-assets/da3589238e32/bzImage-4078fa63.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+55e2ae...@syzkaller.appspotmail.com

INFO: task syz-executor.0:6241 blocked for more than 143 seconds.
Not tainted 6.1.91-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:25792 pid:6241 ppid:5428 flags:0x00004006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
nl802154_prepare_wpan_dev_dump+0x4b/0x460 net/ieee802154/nl802154.c:242
nl802154_dump_llsec_dev+0x14d/0xf30 net/ieee802154/nl802154.c:1677
genl_lock_dumpit+0x69/0x90 net/netlink/genetlink.c:640
netlink_dump+0x603/0xc50 net/netlink/af_netlink.c:2231
__netlink_dump_start+0x541/0x6e0 net/netlink/af_netlink.c:2335
genl_family_rcv_msg_dumpit net/netlink/genetlink.c:703 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:830 [inline]
genl_rcv_msg+0x7c9/0xf70 net/netlink/genetlink.c:850
netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2508
genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1352


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