Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> writes: > On Tue, Jun 23, 2020 at 01:53:48PM -0500, Eric W. Biederman wrote: > There is no refcnt bug. It was a user error on tomoyo side. > fork_blob() works as expected. Nope. I have independently confirmed it myself. fork_usermode_blob holds a reference and puts that reference. An additional reference is needed for execve to hold and put. Now can you write some patches to make that obvious please? Eric