zhhyu7 opened a new pull request, #17664:
URL: https://github.com/apache/nuttx/pull/17664
## Summary
avoid crashes caused by cross-thread access to stack memory.
## Impact
net/arp
## Testing
sim:matter
```
NuttShell (NSH) NuttX-12.11.0
MOTD: username=admin password=Administrator
nsh> ifconfig eth0 10.0.1.2/24
nsh> ifconfig
eth0 Link encap:Ethernet HWaddr 42:e1:c4:3f:48:dd at RUNNING mtu 1500
inet addr:10.0.1.2 DRaddr:10.0.1.1 Mask:255.255.255.0
inet6 addr: fe80::40e1:c4ff:fe3f:48dd/64
inet6 DRaddr: ::
IPv4 IPv6 TCP UDP ICMP ICMPv6
Received 000c 0012 0000 0015 0000 0007
Dropped 0000 0002 0000 0000 0000 0007
IPv4 VHL: 0000 Frg: 0000
IPv6 VHL: 0000
Checksum 0000 ---- 0000 0000 ---- ----
TCP ACK: 0000 SYN: 0000
RST: 0000 0000
Type 0000 0000 ---- ---- 0000 0000
Sent 0000 000b 0000 0000 0000 000b
Rexmit ---- ---- 0000 ---- ---- ----
nsh> ping -c 3 10.0.1.1
PING 10.0.1.1 56 bytes of data
56 bytes from 10.0.1.1: icmp_seq=0 time=0.0 ms
56 bytes from 10.0.1.1: icmp_seq=1 time=0.0 ms
56 bytes from 10.0.1.1: icmp_seq=2 time=0.0 ms
3 packets transmitted, 3 received, 0% packet loss, time 3030 ms
rtt min/avg/max/mdev = 0.000/0.000/0.000/0.000 ms
nsh>
```
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