[syzbot] [input?] KASAN: slab-use-after-free Read in atkbd_set_repeat_rate
From: Jeffin Philip <hidden>
Date: 2026-08-28 14:03:48
Also in:
lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 818bebeb63dd
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 5736f4bc5a50..bfad2e2ac937 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c@@ -961,7 +961,9 @@ static void atkbd_disconnect(struct serio *serio) { struct atkbd *atkbd = atkbd_from_serio(serio); + scoped_guard(mutex_intr, &atkbd->mutex) { atkbd_disable(atkbd); + } input_unregister_device(atkbd->dev);