Messages in this thread | | | Date | Wed, 11 Jan 2023 15:15:39 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH tip] rseq: Fix: Increase AT_VECTOR_SIZE_BASE to match rseq auxvec entries |
| |
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@kernel.org> > > 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@efficios.com> > > This resolves the boot failure with the configuration I tested: > > Tested-by: Nathan Chancellor <nathan@kernel.org>
Thanks!
| |