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quick fix for OOM panic that has been plaguing us

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This commit is contained in:
Jeromy
2015-05-01 23:24:47 -07:00
parent cc5f6bb306
commit 517e2d121f
1 changed files with 8 additions and 0 deletions
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8
p2p/crypto/secio/rw.go
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@ -15,6 +15,10 @@ import (
context "github.com/ipfs/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context" context "github.com/ipfs/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
) )
const MaxMsgSize = 8 * 1024 * 1024
var ErrMaxMessageSize = errors.New("attempted to read message larger than max size")
// ErrMACInvalid signals that a MAC verification failed // ErrMACInvalid signals that a MAC verification failed
var ErrMACInvalid = errors.New("MAC verification failed") var ErrMACInvalid = errors.New("MAC verification failed")
@ -130,6 +134,10 @@ func (r *etmReader) Read(buf []byte) (int, error) {
return 0, err return 0, err
} }
if fullLen > MaxMsgSize {
return 0, ErrMaxMessageSize
}
buf2 := buf buf2 := buf
changed := false changed := false
// if not enough space, allocate a new buffer. // if not enough space, allocate a new buffer.