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Date: Wed, 4 May 2022 06:01:10 +1000
From: Kent Mcleod <>
Cc: WILLIAMS Stephen <>
Subject: Re: 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

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