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fix[codegen]: make_setter overlap in the presence of staticcall #4128

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@charles-cooper charles-cooper commented Jun 10, 2024

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this commit fixes another overlap bug in `make_setter`. this is a
variant of the fixes in ad9c10b0b98e2d and 1c8349e867b2b3, specifically
fixing an oversight in ad9c10b0b98e2d - when there is a `staticcall`
contained inside of `make_setter`, there can still be src/dst overlap,
due to read-only re-entrancy(!). this commit adds `staticcall` to the
list of "risky call" opcodes, and adds a poc test case (contributed by
@trocher).

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Co-authored-by: trocher <trooocher@proton.me>

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charles-cooper and others added 2 commits June 10, 2024 13:57
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Co-authored-by: trocher <rocher14@live.fr>
@charles-cooper charles-cooper marked this pull request as ready for review June 10, 2024 17:58
@charles-cooper charles-cooper changed the title fix make_setter overlap in the presence of staticcall fix[codegen]: make_setter overlap in the presence of staticcall Jun 11, 2024
@charles-cooper charles-cooper merged commit 7770967 into vyperlang:master Jun 12, 2024
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@charles-cooper charles-cooper deleted the make-setter-staticcall branch June 12, 2024 12:35
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2 participants