[Bug dynamic-link/29190] Symbols with version hash zero lead to crashes, not matched correctly

[sxt1001 at outlook dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29190

--- Comment #5 from xuantong shi <sxt1001 at outlook dot com> ---
(In reply to Florian Weimer from comment #0)
> Symbol lookup runs into a null pointer dereference if the symbol version has
> hash value zero. If that is fixed, defined symbols with symbol version hash
> zero match any symbol version during relocation processing.

A symbolic version with a hash value of zero can match any version. Does this
behavior lead to unexpected symbolic binding?

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