On Sun, Sep 20, 2026 at 06:34:32AM +0100, Greg KH wrote: > WARN on the init makes more sense, but even then it feels odd as if we > wanted to make a seq_buf with data from a device or userspace, we would > have to verify the size is non-zero _before_ creating the seq_buf or we > would crash. So someone has to check the "untrusted" data somewhere, > right? > > And why can't we have buffers of 0 size work just fine? What prevents > that? People have "empty" strings for lots of things.
Yeah, okay. I'll not add the WARN for seq_buf_strlen() and remove it from seq_buf_str(). -Kees -- Kees Cook
