Re: [RFC PATCH tip] rseq: Fix: Increase AT_VECTOR_SIZE_BASE to match rseq auxvec entries

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On Wed, Jan 04, 2023 at 12:24:09PM -0700, Nathan Chancellor wrote:
> On Wed, Jan 04, 2023 at 02:20:54PM -0500, Mathieu Desnoyers wrote:
> > Two new auxiliary vector entries are introduced for rseq without
> > matching increment of the AT_VECTOR_SIZE_BASE, which causes failures
> > with CONFIG_HARDENED_USERCOPY=y.
> > 
> > Reported-by: Nathan Chancellor <nathan@xxxxxxxxxx>
> > Link: https://lore.kernel.org/r/Y7XJKZhuU9VJZQ11@dev-arch.thelio-3990X
> > Fixes: 317c8194e6ae ("rseq: Introduce feature size and alignment ELF auxiliary vector entries")
> > Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
> 
> This resolves the boot failure with the configuration I tested:
> 
> Tested-by: Nathan Chancellor <nathan@xxxxxxxxxx>

Thanks!



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