[PATCHv3] malloc: Make sure tcache_key is odd enough

[Samuel Thibault]

Cupertino Miranda, le lun. 04 août 2025 12:28:01 +0100, a ecrit:
> Anyway, I thought the purpose was to make it harder to identify where the
> linked lists are in memory,

No, the purpose is not for security, but safety: if we try to free
something that isn't part of the linked list, we hopefully detect it
because whatever happens to be there doesn't have the expected value.

Samuel