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Build # 7276372139

Build Type

push

github

Committed by igormunkin

Commit Message

FFI: Fix dangling reference to CType in carith_checkarg().

Reported by Sergey Kaplun.

(cherry-picked from commit db944b2b5)

During of an arithmetic operation with a cdata function object and some
cdata value in `carith_checkarg()`, reallocation of `cts->tab` in
`lj_ctype_intern()` may occur. In that case, the reference to the first
`CType` object (`ca->ct[0]`) becomes invalid. This patch saves the
`CTypeID` of this object and gets its `CType` again after possible
reallocation.

Sergey Kaplun:
* added the description and the test for the problem

Part of tarantool/tarantool#9145

Run Details

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240 existing lines in 15 files now uncovered.

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