Solana outage was caused by infinite loop bug previously seen on devnet

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Solana Labs stated that the current outage that halted blockchain transactions for 5 hours on Feb. 6 was attributable to a bug builders caught every week earlier.

Solana Labs revealed an in depth report on Feb. 9 outlining its investigation of the outage, which revealed that the identified bug had a number of triggers, and builders had solely deployed a repair for certainly one of them when the outage occurred.

Root trigger

Although earlier studies partially recognized the difficulty, the newest report offers a technical motive for the outage and states {that a} “deploy-evict-request cycle of a legacy loader program triggered an infinite recompile loop within the JIT cache.”

Merely put, Solana’s transaction course of entered an infinite loop attributable to a bug.

The related bug solely affected model 1.17 of Solana’s validator shopper and was not current in model 1.16 of the shopper. Nonetheless, nearly all validators stalled as a result of 95% of the cluster stake was operating 1.17 on the time of the affected block.

The newest report additionally reveals that builders had recognized the bug as the reason for an outage on Solana’s devnet one week earlier. Builders had already patched one doable set off for the bug when the outage occurred and subsequently sped the discharge of a patch for the second set off.

The repair is in model 1.17.20 of the shopper; builders intend to launch a extra full repair sooner or later, in line with the report.

Solana has skilled quite a few outages

Solana has recurrently attracted controversy for its outages, which occurred incessantly in its earlier days.

In response to knowledge from CryptoManiaks, Solana has skilled 9 outages since September 2021, with over 150 hours of downtime — excluding the newest outage this week.

Till the newest incident, the community didn’t have an outage for nearly one yr. Its earlier outage occurred in February 2023 and lasted 18 hours.

Solana (SOL) costs have greater than recovered since the latest Feb. 6 incident, which induced SOL to hit a six-day low of $93.75. The token was buying and selling at $105.46 as of press time, up 2.4% over the previous 24 hours.

Editor’s Word: Though Solana Labs confirmed the small print of the outage by itself web site, the report was initially authored and revealed by Anza co-founder Jeff Washington — a former engineer at Solana Labs.

The publish Solana outage was attributable to infinite loop bug beforehand seen on devnet appeared first on snipoodle.

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