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fix(beatree): prevent underflow on deletion of non-existend key - #956

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rphmeier merged 1 commit into
thrumdev:masterfrom
citizen-stig:fix/empty-changeset-underflow
Oct 23, 2026
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fix(beatree): prevent underflow on deletion of non-existend key#956
rphmeier merged 1 commit into
thrumdev:masterfrom
citizen-stig:fix/empty-changeset-underflow

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@citizen-stig citizen-stig commented Oct 22, 2026

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Discovered with existing fuzz testing:

cargo +nightly fuzz run grow_hashtable -- -max_total_time=600 -fork=8
..

────────────────────────────────────────────────────────────────────────────────

Failing input:

	fuzz/artifacts/grow_hashtable/crash-e4b832dc54a9ed222b0a3ebb9d48e4fa582827c1

Reproduce with:

	cargo fuzz run grow_hashtable fuzz/artifacts/grow_hashtable/crash-e4b832dc54a9ed222b0a3ebb9d48e4fa582827c1

Minimize test case with:

	cargo fuzz tmin grow_hashtable fuzz/artifacts/grow_hashtable/crash-e4b832dc54a9ed222b0a3ebb9d48e4fa582827c1

────────────────────────────────────────────────────────────────────────────────

Error: Fuzz target exited with exit status: 77

This was referenced Oct 22, 2026
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rphmeier merged commit 63f7dd5 into thrumdev:master Oct 23, 2026
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@citizen-stig citizen-stig mentioned this pull request Oct 29, 2026
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@citizen-stig @rphmeier