On Mon, 2025-01-20 at 17:31 +0100, Ard Biesheuvel wrote: > On Sun, 19 Jan 2025 at 17:59, Ard Biesheuvel <ardb@xxxxxxxxxx> wrote: > > > > On Sun, 19 Jan 2025 at 16:12, James Bottomley > > <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote: > > > > ... > > > > Thanks James. I've queued up this version now, so we'll get some > > coverage from the robots. I'll redo my own testing tomorrow, but > > I'll > > omit these changes from my initial PR to Linus. If we're confident > > that things are sound, I'll send another PR during the second half > > of > > the merge window. > > I'm hitting the failure cases below. The first one appears to hit the > same 'Operation not permitted' condition on the write, the error > message is just hidden by the /dev/null redirect. > > I'm running the make command from a root shell. Using printf from the > command line works happily so I suspect there is some issue with the > concurrency and the subshells? It could be that the file isn't opened until the subshell is spawned. I can probably use the pipe to wait for the subshell to start; I'll try to code that up. Regards, James
