On Tue, Jul 14, 2020 at 12:26 PM Chirantan Ekbote <chirantan@xxxxxxxxxxxx> wrote: > > The ioctl encoding for this parameter is a long but the documentation > says it should be an int and the kernel drivers expect it to be an int. > If the fuse driver treats this as a long it might end up scribbling over > the stack of a userspace process that only allocated enough space for an > int. > > This was previously discussed in [1] and a patch for fuse was proposed > in [2]. From what I can tell the patch in [2] was nacked in favor of > adding new, "fixed" ioctls and using those from userspace. However > there is still no "fixed" version of these ioctls and the fact is that > it's sometimes infeasible to change all userspace to use the new one. Okay, applied. Funny that no one came back with this issue for 7 years. Thanks, Miklos
