zhhyu7 opened a new pull request, #17672:
URL: https://github.com/apache/nuttx/pull/17672
## Summary
insufficient IOB during IP fragment is a normal scenario and should not
crash directly. The assert needs to be removed and corresponding error handling
needs to be added.
## Impact
net/ipfrag
## Testing
sim:matter with CONFIG_NET_IPFRAG=y
test log
```
NuttShell (NSH) NuttX-12.11.0
MOTD: username=admin password=Administrator
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 CAN
Received 0000 0009 0000 0002 0000 0004 0000
Dropped 0000 0003 0000 0000 0000 0004 0000
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 0000
Rexmit ---- ---- 0000 ---- ---- ---- ----
nsh> ping -c 5 -s 8000 10.0.1.1
PING 10.0.1.1 8000 bytes of data
8000 bytes from 10.0.1.1: icmp_seq=0 time=0.0 ms
8000 bytes from 10.0.1.1: icmp_seq=1 time=0.0 ms
8000 bytes from 10.0.1.1: icmp_seq=2 time=0.0 ms
8000 bytes from 10.0.1.1: icmp_seq=3 time=0.0 ms
8000 bytes from 10.0.1.1: icmp_seq=4 time=0.0 ms
5 packets transmitted, 5 received, 0% packet loss, time 5050 ms
rtt min/avg/max/mdev = 0.000/0.000/0.000/0.000 ms
nsh>
```
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