Re: [PATCH v3 0/4] binfmt_elf: Support segments with 0 filesz and misaligned starts

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On Tue, 26 Sep 2023, Kees Cook wrote:
This is the continuation of the work Eric started for handling
"p_memsz > p_filesz" in arbitrary segments (rather than just the last,
BSS, segment). I've added the suggested changes:

- drop unused "elf_bss" variable
- report padzero() errors when PROT_WRITE is present
- refactor load_elf_interp() to use elf_load()

This passes my quick smoke tests, but I'm still trying to construct some
more complete tests...

I've repeated all my tests with this one - no issues found.

Thanks,
Sebastian





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