On Fri, Nov 4, 2016 at 10:29 AM, Amir Goldstein <amir73il@xxxxxxxxx> wrote: > You did not address my comment about the 'stack' allocation overflow > in ovl_lookup > I believe the (possible) overflow is demonstrated by the following debug patch: Oops, missed that. Good spotting! And there's more shit that unionfs-testsuite didn't discover (not even involving multiple layers): rm -rf /lower /upper /work mkdir -p /lower/a/b/c /upper /work mount -t overlay overlay -oupperdir=/upper,lowerdir=/lower,workdir=/work /mnt mv /mnt/a /mnt/z mv /mnt/z/b /mnt/q ls /mnt/q umount /mnt mount -t overlay overlay -oupperdir=/upper,lowerdir=/lower,workdir=/work /mnt ls /mnt/q umount /mnt Next update coming up... Thanks, Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
