From: Cyrill Gorcunov <gorcunov@xxxxxxxxx> It is hardly (if ever) possible but in case of broken _PXM entry we could reach out of pxm_to_node_map array bounds in acpi_map_pxm_to_node() call. Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Len Brown <len.brown@xxxxxxxxx> --- drivers/acpi/numa.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index c5e292a..3a0d8ef 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -277,7 +277,7 @@ int acpi_get_node(acpi_handle *handle) int pxm, node = -1; pxm = acpi_get_pxm(handle); - if (pxm >= 0) + if (pxm >= 0 && pxm < MAX_PXM_DOMAINS) node = acpi_map_pxm_to_node(pxm); return node; -- 1.5.6.6 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
