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> > --- > include/linux/auxvec.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h > index f68d0ec2d740..407f7005e6d6 100644 > --- a/include/linux/auxvec.h > +++ b/include/linux/auxvec.h > @@ -4,6 +4,6 @@ > > #include <uapi/linux/auxvec.h> > > -#define AT_VECTOR_SIZE_BASE 20 /* NEW_AUX_ENT entries in auxiliary table */ > +#define AT_VECTOR_SIZE_BASE 22 /* NEW_AUX_ENT entries in auxiliary table */ > /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */ > #endif /* _LINUX_AUXVEC_H */ > -- > 2.25.1 >
