On Tue, Oct 08, 2024 at 04:09:00PM -0300, Ranier Vilela wrote: > The port function *bsearch_arg* mimics the C function > *bsearch*. > > The API signature is: > void * > bsearch_arg(const void *key, const void *base0, > size_t nmemb, size_t size, > int (*compar) (const void *, const void *, void *), > void *arg) > > So, the parameter *nmemb* is size_t. > Therefore, a call with nmemb greater than INT_MAX is possible. > > Internally the code uses the *int* type to iterate through the number of > members, which makes overflow possible.
I traced this back to commit bfa2cee (v14), which both moved bsearch_arg() to its current location and adjusted the style a bit. Your patch looks reasonable to me.