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Fix a nil pointer dereference error that occurs in tcpReader's Read method (#1090)

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* Fix a `nil pointer dereference` error that occurs in `tcpReader`'s `Read` method

* #run_acceptance_tests

* #run_acceptance_tests

* Revert "Fix a `nil pointer dereference` error that occurs in `tcpReader`'s `Read` method"

This reverts commit ccef6cb393.

* Fix the race condition using locks #run_acceptance_tests
This commit is contained in:
M. Mert Yıldıran 2022-05-17 03:13:50 -07:00 committed by GitHub
parent 8418802c7e
commit fc194354bc
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 7 additions and 1 deletions
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6
tap/tcp_reader.go
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@ -82,10 +82,14 @@ func (reader *tcpReader) isProtocolIdentified() bool {
}
func (reader *tcpReader) rewind() {
// Reset the data and msgBuffer from the master record
// Reset the data
reader.data = make([]byte, 0)
// Reset msgBuffer from the master record
reader.parent.Lock()
reader.msgBuffer = make([]api.TcpReaderDataMsg, len(reader.msgBufferMaster))
copy(reader.msgBuffer, reader.msgBufferMaster)
reader.parent.Unlock()
// Reset the read progress
reader.progress.Reset()

2
tap/tcp_stream.go
View File

@ -72,8 +72,10 @@ func (t *tcpStream) SetProtocol(protocol *api.Protocol) {
t.protocol = protocol
// Clean the buffers
t.Lock()
t.client.msgBufferMaster = make([]api.TcpReaderDataMsg, 0)
t.server.msgBufferMaster = make([]api.TcpReaderDataMsg, 0)
t.Unlock()
}
func (t *tcpStream) GetOrigin() api.Capture {