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From: Kent Mcleod <kent.mcleod72@gmail.com>
Date: Wed, 4 May 2022 06:01:10 +1000
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To: musl@lists.openwall.com
Cc: WILLIAMS Stephen <stephen.williams@capgemini.com>
Content-Type: text/plain; charset="UTF-8"
Subject: Re: [musl] BUG REPORT: Fault in src/malloc/oldmalloc/aligned_alloc.c
 leads to memory corruption

> Is it possible that PAGE_SIZE is evaluating to nonsense (maybe
> libc.page_size ununitialized), resulting in the initial brk not
> getting aligned? It's an implicit assumption that page size is larger
> than SIZE_ALIGN.
>

Yes, libc.page_size being uninitialized is likely what's happening.
We departed from calling __init_libc at some point in the seL4 fork...

> Rich