This mirrors x86 commit 9f0cf4adb6aa0bfccf675c938124e68f7f06349d (x86: Use __builtin_object_size() to validate the buffer size for copy_from_user())
Signed-off-by: David S. Miller
#include <linux/module.h> #include <linux/bug.h> void copy_from_user_overflow(void) { WARN(1, "Buffer overflow detected!\n"); } EXPORT_SYMBOL(copy_from_user_overflow);