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conn: fix cmsg data padding calculation for gso

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2023-10-21 19:06:38 +02:00
parent 5d37bd24e1
commit f502ec3fad
1 changed files with 1 additions and 1 deletions
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2
conn/gso_linux.go
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@ -56,7 +56,7 @@ func setGSOSize(control *[]byte, gsoSize uint16) {
hdr.Level = unix.SOL_UDP hdr.Level = unix.SOL_UDP
hdr.Type = unix.UDP_SEGMENT hdr.Type = unix.UDP_SEGMENT
hdr.SetLen(unix.CmsgLen(sizeOfGSOData)) hdr.SetLen(unix.CmsgLen(sizeOfGSOData))
copy((gsoControl)[unix.SizeofCmsghdr:], unsafe.Slice((*byte)(unsafe.Pointer(&gsoSize)), sizeOfGSOData)) copy((gsoControl)[unix.CmsgLen(0):], unsafe.Slice((*byte)(unsafe.Pointer(&gsoSize)), sizeOfGSOData))
*control = (*control)[:existingLen+space] *control = (*control)[:existingLen+space]
} }