sniff: avoid race condition in tcpdump execution #2339
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It is possible, and in sanity check mode even likely, that the tcpdump invocation terminates successfully before Sniff returns. Current code handels this badly, as a race condition occurs. Depending on who wins, we either continue normally, or fatally log 'Failed to execute tcpdump: %!w(<nil>)'. Co-authored-by: Fabian Fischer <[email protected]> Signed-off-by: David Bimmler <[email protected]>
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Oh nevermind this was fixed in #2321 😁 |
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It is possible, and in sanity check mode even likely, that the tcpdump invocation terminates successfully before Sniff returns. Current code handels this badly, as a race condition occurs. Depending on who wins, we either continue normally, or fatally log 'Failed to execute tcpdump: %!w()'.