From f9e62f318fd706a54b7ce9b28e5c7e49bbde8788 Mon Sep 17 00:00:00 2001 From: Stephen Boyd Date: Fri, 14 Aug 2020 17:40:27 -0700 Subject: treewide: Make all debug_obj_descriptors const This should make it harder for the kernel to corrupt the debug object descriptor, used to call functions to fixup state and track debug objects, by moving the structure to read-only memory. Signed-off-by: Stephen Boyd Signed-off-by: Thomas Gleixner Reviewed-by: Kees Cook Link: https://lore.kernel.org/r/20200815004027.2046113-3-swboyd@chromium.org --- kernel/workqueue.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'kernel/workqueue.c') diff --git a/kernel/workqueue.c b/kernel/workqueue.c index c41c3c17b86a..ac088ce6059b 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -427,7 +427,7 @@ static void show_pwq(struct pool_workqueue *pwq); #ifdef CONFIG_DEBUG_OBJECTS_WORK -static struct debug_obj_descr work_debug_descr; +static const struct debug_obj_descr work_debug_descr; static void *work_debug_hint(void *addr) { @@ -477,7 +477,7 @@ static bool work_fixup_free(void *addr, enum debug_obj_state state) } } -static struct debug_obj_descr work_debug_descr = { +static const struct debug_obj_descr work_debug_descr = { .name = "work_struct", .debug_hint = work_debug_hint, .is_static_object = work_is_static_object, -- cgit v1.2.3