[bug] gauntlet panics when a preset has more players than the 6-entry roster #151

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opened 2026-10-02 19:38:51 +00:00 by Winnie · 0 comments

Winnie commented

2026-10-02 19:38:51 +00:00

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Found while running the suite for #149; reproduces on clean master (ba9395d): TestTinyBenchWritesIterationLog panics with "slice bounds out of range [:8] with capacity 6" at bench.go:300 — the specialist gauntlet builds roster = [spec, spec, mains...] (2 + 4 = 6 entries) and then slices roster[:cfg.Players], so any preset with Players > 6 panics. The roster should be padded (e.g. cycle the mains) up to cfg.Players before the slice.

Found while running the suite for #149; reproduces on clean master (ba9395d): TestTinyBenchWritesIterationLog panics with "slice bounds out of range [:8] with capacity 6" at bench.go:300 — the specialist gauntlet builds roster = [spec, spec, mains...] (2 + 4 = 6 entries) and then slices roster[:cfg.Players], so any preset with Players > 6 panics. The roster should be padded (e.g. cycle the mains) up to cfg.Players before the slice.

Winnie was assigned by robertismo

2026-10-02 19:41:19 +00:00

Winnie referenced this issue from a commit

2026-10-02 19:43:25 +00:00

gauntlet roster padded to the preset size; NaN tests deterministic (Closes #151)

Winnie referenced this issue from a pull request that will close it,

2026-10-02 19:43:32 +00:00

Gauntlet roster padded to the preset size; NaN tests deterministic (Closes #151) #153