Am 17.11.2015 um 20:25 schrieb Octavian Purdila: > On Tue, Nov 17, 2015 at 9:21 PM, Seth Forshee > <seth.forshee@xxxxxxxxxxxxx> wrote: >> >> On Tue, Nov 17, 2015 at 08:12:31PM +0100, Richard Weinberger wrote: >>> On Tue, Nov 17, 2015 at 7:34 PM, Seth Forshee >>> <seth.forshee@xxxxxxxxxxxxx> wrote: >>>> On Tue, Nov 17, 2015 at 05:55:06PM +0000, Al Viro wrote: >>>>> On Tue, Nov 17, 2015 at 11:25:51AM -0600, Seth Forshee wrote: >>>>> >>>>>> Shortly after that I plan to follow with support for ext4. I've been >>>>>> fuzzing ext4 for a while now and it has held up well, and I'm currently >>>>>> working on hand-crafted attacks. Ted has commented privately (to others, >>>>>> not to me personally) that he will fix bugs for such attacks, though I >>>>>> haven't seen any public comments to that effect. >>>>> >>>>> _Static_ attacks, or change-image-under-mounted-fs attacks? >>>> >>>> Right now only static attacks, change-image-under-mounted-fs attacks >>>> will be next. >>> >>> Do we *really* need to enable unprivileged mounting of kernel filesystems? >>> What about just enabling fuse and implement ext4 and friends as fuse >>> filesystems? >>> Using the approaching Linux Kernel Libary[1] this is easy. >> >> I haven't looked at this project, but I'm guessing that programs must be >> written specifically to make use of it? I.e. you can't just use the >> mount syscall, and thus all existing software still doesn't work? >> > > The projects includes a lklfuse program that uses fuse to mount a > fileystem image. Cool. I gave it a try. It seems to work fine, but only if I run it in foreground (using -d) otherwise fuse blocks every filesystem request. Thanks, //richard -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
