System Stack 导致 sing-box 崩溃 (Index out of range)

[ch3njun]

1. 设备环境 (Environment)

型号: Intel(R) N100 x 4C 4T (x86/64)
固件版本: ImmortalWrt 24.10.4 r33602-e717d133ed6d
内核版本: 6.6.110
插件状态: HomeProxy 进程突然挂死，显示未启动，Web 界面无相关崩溃日志显示。

2. 问题描述 (Description)

设备运行一段时间后 HomeProxy 突然挂掉。通过 logread 发现 sing-box 进程发生 Panic 崩溃，随后因虚拟网卡未释放导致启动死循环。

3. 错误日志 (Logs)

关键崩溃堆栈信息如下：

Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]: panic: runtime error: index out of range [12] with length 4
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]:
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]: goroutine 37 [running]:
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]: github.com/sagernet/sing-tun/internal/gtcpip/header.TCP.DataOffset(...)
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]:    github.com/sagernet/sing-tun@v0.7.3/internal/gtcpip/header/tcp.go:275
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]: github.com/sagernet/sing-tun/internal/gtcpip/header.TCP.Payload(...)
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]:    github.com/sagernet/sing-tun@v0.7.3/internal/gtcpip/header/tcp.go:280
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]: github.com/sagernet/sing-tun.(*System).processIPv4TCP(0xc000434000, {0xc00031e500, 0x18, 0x2328}, {0xc00031e514, 0x4, 0x2314})
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]:    github.com/sagernet/sing-tun@v0.7.3/stack_system.go:425 +0xbd1
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]: github.com/sagernet/sing-tun.(*System).processIPv4(0xc000434000, {0xc00031e500, 0x18, 0x2328})
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]:    github.com/sagernet/sing-tun@v0.7.3/stack_system.go:359 +0x19e
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]: github.com/sagernet/sing-tun.(*System).processPacket(0xc000434000, {0xc00031e500?, 0x1000000010000?, 0x1f41e40?})
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]:    github.com/sagernet/sing-tun@v0.7.3/stack_system.go:306 +0xf7
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]: github.com/sagernet/sing-tun.(*System).tunLoop(0xc000434000)
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]:    github.com/sagernet/sing-tun@v0.7.3/stack_system.go:197 +0x2e5
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]: created by github.com/sagernet/sing-tun.(*System).Start in goroutine 1
Fri Jan 23 01:55:22 2026 daemon.err sing-box[11086]:    github.com/sagernet/sing-tun@v0.7.3/stack_system.go:112 +0x59
Fri Jan 23 01:55:28 2026 daemon.err sing-box[12157]: FATAL[0000] start service: start inbound/tun[tun-in]: configure tun interface: file exists
Fri Jan 23 01:55:31 2026 daemon.notice miniupnpd[5088]: remove port mapping 35341 TCP because it has expired
Fri Jan 23 01:55:33 2026 daemon.err sing-box[12166]: FATAL[0000] start service: start inbound/tun[tun-in]: configure tun interface: file exists
Fri Jan 23 01:55:38 2026 daemon.err sing-box[12175]: FATAL[0000] start service: start inbound/tun[tun-in]: configure tun interface: file exists
Fri Jan 23 01:55:43 2026 daemon.err sing-box[12184]: FATAL[0000] start service: start inbound/tun[tun-in]: configure tun interface: file exists
Fri Jan 23 01:55:48 2026 daemon.err sing-box[12193]: FATAL[0000] start service: start inbound/tun[tun-in]: configure tun interface: file exists
Fri Jan 23 01:55:53 2026 daemon.err sing-box[12202]: FATAL[0000] start service: start inbound/tun[tun-in]: configure tun interface: file exists
Fri Jan 23 01:55:53 2026 daemon.info procd: Instance homeproxy::sing-box-c s in a crash loop 6 crashes, 1 seconds since last crash

将上述内容提交给GPT建议手动修改/etc/config/homeproxy配置

config homeproxy 'infra'
    option tun_mtu '9000'  <-- 默认被设为了 9000
    ...
config homeproxy 'routing'
    option tcpip_stack 'system' <-- 默认为 System 堆栈

请问这个问题是这样处理吗？