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wgengine/netstack: add a missing refcount decrement after packet injection

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Fixes #3762
Updates #3745 (probably fixes?)

Change-Id: I1d3f0590fd5b8adfbc9110bc45ff717bb9e79aae
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2022-01-19 12:05:17 -08:00
committed by Brad Fitzpatrick
parent 790e41645b
commit 185825df11
2 changed files with 77 additions and 0 deletions
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wgengine/netstack/netstack.go
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@@ -520,6 +520,7 @@ func (ns *Impl) injectInbound(p *packet.Parsed, t *tstun.Wrapper) filter.Respons
Data: vv,
})
ns.linkEP.InjectInbound(pn, packetBuf)
packetBuf.DecRef()
// We've now delivered this to netstack, so we're done.
// Instead of returning a filter.Accept here (which would also