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Temporarily increase stack size to 8 MiB for windows-msvc builds #523

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Merged
extiop merged 1 commit into from
May 12, 2026
+11 −2
Merged

Temporarily increase stack size to 8 MiB for windows-msvc builds #523

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13 changes: 11 additions & 2 deletions .cargo/config.toml
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Original file line number Diff line number Diff line change
@@ -1,3 +1,12 @@
# static linking on Windows, avoids the need for a Visual Studio installation
[target.'cfg(all(windows, target_env = "msvc"))']
rustflags = ["-C", "target-feature=+crt-static"]
rustflags = [
# Static linking on Windows (avoids requiring Visual Studio)
"-C", "target-feature=+crt-static",
# Temporarily increase stack size to 8 MiB to prevent stack overflows during ML-DSA key deserialization.
# Related:
# - Issue: https://github.com/RustCrypto/signatures/issues/1024 (Windows stack overflow with ML-DSA)
# - Fixed upstream by: https://github.com/RustCrypto/signatures/pull/1261 (reduces stack usage by 207kb for ML-DSA-87)
# TODO: remove once MLA adopts the 0.1.0 stable ml-dsa version (with stack fixes)
# Additional context: https://github.com/RustCrypto/KEMs/pull/310 (heap offloading added for ml-kem `alloc` feature, enabled by default)
"-C", "link-arg=/STACK:8388608",
]
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