On Dec 21 2006 18:51, Miklos Szeredi wrote: > >The root of the problem is that copy_to_user() may cause page faults >on the userspace buffer, and the page fault might (in case of a >maliciously crafted filesystem) recurse into the filesystem itself.
Would it be worthwhile to mlock the page? I know that needs root privs or some capability, but a static buffer could be put aside when fusermount is run. -`J' -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/