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Fix undefined behavior related to function pointer cast#184

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utelle merged 1 commit intoutelle:mainfrom
Koromix:fix_ub_function_pointer_cast
Dec 10, 2024
Merged

Fix undefined behavior related to function pointer cast#184
utelle merged 1 commit intoutelle:mainfrom
Koromix:fix_ub_function_pointer_cast

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@Koromix
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@Koromix Koromix commented Dec 10, 2024

Casting a function pointer to a different function pointer type is undefined behavior in C, and triggers UBSan as shown below:

image

This PR fixes this by changing the declaration of sqlite3mcFreeCodecParameterTable to take a void * pointer and avoid the cast entirely.

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utelle commented Dec 10, 2024

Thanks for reporting the issue and providing a fix.

@utelle utelle merged commit 08edcd9 into utelle:main Dec 10, 2024
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