Messages in this thread | | | Date | Thu, 17 Mar 2022 11:53:19 -0700 | From | Kees Cook <> | Subject | Re: [PATCH] x86: Remove a.out support |
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On Thu, Mar 17, 2022 at 02:04:46AM +0000, James Jones wrote: > On 3/16/22 3:30 PM, Kees Cook wrote: > > On Wed, Mar 16, 2022 at 01:38:31PM +0100, Arnd Bergmann wrote: > >> is in the end, but it's likely easier than a standalone a.out loader > >> in user space, or a conversion to ELF format. > > > > Yeah, the exec format is really simple. The only tricky bit was preparing > > the stack and making sure everything landed in the right place for text > > and data. James, can you try this? aln and mac run for me, but I'm not > > actually exercising them beyond dumping argument lists, etc: > > > > https://github.com/kees/kernel-tools/tree/trunk/a.out > > Yes, works perfectly, thank you. I like the idea of using this much
Hurray!
> better than getting emailed every time someone wants to delete the a.out > code again. Consider my use case withdrawn. I've already pushed an > update to my jaguar-sdk project to use this tool instead.
Nice; I see there are other binaries besides aln and mac that are working with this too? *whew* I'm glad it was relatively straight forward. :)
-- Kees Cook
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