diff options
| author | Stephen Boyd <swboyd@chromium.org> | 2020-08-15 02:40:27 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-09-24 21:56:25 +0200 |
| commit | f9e62f318fd706a54b7ce9b28e5c7e49bbde8788 (patch) | |
| tree | 6c94a6e2e3fae032ac087c0a5857fe3c81cc295d /kernel/workqueue.c | |
| parent | debugobjects: Allow debug_obj_descr to be const (diff) | |
| download | linux-f9e62f318fd706a54b7ce9b28e5c7e49bbde8788.tar.xz linux-f9e62f318fd706a54b7ce9b28e5c7e49bbde8788.zip | |
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 <swboyd@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20200815004027.2046113-3-swboyd@chromium.org
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 4 |
1 files changed, 2 insertions, 2 deletions
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, |