On Wed, Apr 15, 2020 at 03:18:21PM +0200, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
The patch below does not apply to the 5.6-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From af92bad615be75c6c0d1b1c5b48178360250a187 Mon Sep 17 00:00:00 2001
From: Christophe Leroy <christophe.leroy@xxxxxx>
Date: Fri, 6 Mar 2020 15:09:40 +0000
Subject: [PATCH] powerpc/kasan: Fix kasan_remap_early_shadow_ro()
At the moment kasan_remap_early_shadow_ro() does nothing, because
k_end is 0 and k_cur < 0 is always true.
Change the test to k_cur != k_end, as done in
kasan_init_shadow_page_tables()
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
Fixes: cbd18991e24f ("powerpc/mm: Fix an Oops in kasan_mmu_init()")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/4e7b56865e01569058914c991143f5961b5d4719.1583507333.git.christophe.leroy@xxxxxx
Conflict because we don't have 0b1c524caaae ("powerpc/32: refactor
pmd_offset(pud_offset(pgd_offset..."). Fixed and queued up.
--
Thanks,
Sasha
