Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxxxxxxx> writes: > For 4K LBA or very large disks, atari_partition can easily get tricked > into thinking it has found an Atari partition table. Depending on the > data in the disk, it ends up creating partitions with awkward lengths. > > We saw logs like this while playing with fio. > > [5.625867] nvme2n1: AHDI p2 > [5.625872] nvme2n1: p2 size 2910030523 extends beyond EOD, truncated > > People has had issues with misinterpreted AHDI partition tables for a long > time, see this BSD thread from 1995, for example. > > https://mail-index.netbsd.org/port-atari/1995/11/19/0001.html > > Since the atari partition, according to the spec, doesn't even support > sector sizes with more than 512, a quick sanity check is reasonable to > just bail out early, before even attempting to read sector 0. > > Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxxxxxxx> > --- Hi Jens, Any thoughts on this? Do you think we can get it queued for 4.8? -- Gabriel Krisman Bertazi -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
