On Thu, Jul 09, 2020 at 04:54:19PM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: 9p fails to validate the fds passed in, triggering the new WARN_ON_ONCE added in __kernel_write. Mostly harmless as only the warning is new, but I'll send a patch to better validate the fds at mount time.