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Tcp buffer bug fix (#79)

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* start working on tracking down tcp buffer bug

* mtu refactor

* modularize test

* more precise testing

* tests fail, but is it the failure we are looking for?

* fix typo in espradio link (#76)

* implement a new backoff abstraction (#75)

* rewrite backoff api

* rewrite tcp.Conn.Write

* keep fixing small things

* much better Conn.Read implementation

* fix critical overflow bug in internal.ConnRWBackoff

---------

Co-authored-by: Joel Wetzell <jwetzell@yahoo.com>
This commit is contained in:
Pat Whittingslow
2026-04-14 19:11:29 -03:00
committed by GitHub
parent 5bde7a9979
commit 75a812a8d7
22 changed files with 354 additions and 109 deletions
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x/xnet/xnet_fuzz_test.go
+5 -5
View File
@@ -17,9 +17,9 @@ import (
)
func FuzzStackPacketHTTP(f *testing.F) {
const MTU = 1500
const MTU = ethernet.MaxMTU
const seed = 1
var buf [MTU + ethernet.MaxOverheadSize]byte
var buf [ethernet.MaxFrameLength]byte
s1, s2, c1, c2 := newTCPStacks(f, seed, MTU)
var hdr httpraw.Header
err := s1.ListenTCP(c1, 80)
@@ -78,7 +78,7 @@ func FuzzStackPacketHTTP(f *testing.F) {
}
f.Fuzz(func(t *testing.T, pktnum int, a []byte) {
var buf [MTU + ethernet.MaxOverheadSize]byte
var buf [ethernet.MaxFrameLength]byte
s1, s2, c1, c2 := newTCPStacks(t, seed, MTU)
err = s1.EnableICMP(true)
if err != nil {
@@ -268,8 +268,8 @@ func testStackSeeded(t *testing.T, seed1, seed2 int64) {
}
}
const mtu = 1500
const mfl = mtu + 14 // frame length includes ethernet header
const mtu = ethernet.MaxMTU
const mfl = mtu + ethernet.MaxOverheadSize // frame length includes ethernet header
var buf [mfl]byte
var s1, s2 StackAsync
v1, v2 := byte(seed1), byte(seed2)