Adjust x86 minimal SLAB alignment to match KASAN granularity size. In tag-based mode the size changes to 16 bytes so the value needs to be 4. Signed-off-by: Maciej Wieczor-Retman <maciej.wieczor-retman@xxxxxxxxx> --- arch/x86/include/asm/kasan.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/include/asm/kasan.h b/arch/x86/include/asm/kasan.h index 8829337a75fa..f7a8d3763615 100644 --- a/arch/x86/include/asm/kasan.h +++ b/arch/x86/include/asm/kasan.h @@ -36,6 +36,8 @@ #ifdef CONFIG_KASAN_SW_TAGS +#define ARCH_SLAB_MINALIGN (1ULL << KASAN_GRANULE_SHIFT) + #define __tag_shifted(tag) FIELD_PREP(GENMASK_ULL(60, 57), tag) #define __tag_reset(addr) (sign_extend64((u64)(addr), 56)) #define __tag_get(addr) ((u8)FIELD_GET(GENMASK_ULL(60, 57), (u64)addr)) -- 2.47.1
