On Thu, 15 September 2011 16:27:52 +0200, Milan Broz wrote: > On 09/14/2011 08:34 PM, Jörn Engel wrote: > > Forwarded to dm-devel. Problem is a NULL pointer dereference in > > kcryptd_io_read, which is triggered when mounting logfs. If someone > > with device mapper knowledge could have a look, that would be useful. > > > > On Wed, 14 September 2011 20:24:25 +0200, Jörn Engel wrote: > >> > >> Ok, I can reliably reproduce the problem with the following, based on > >> your description: > >> > >> truncate -s 0 foo > >> truncate -s 1G foo > >> losetup -v -f foo > >> cryptsetup luksFormat /dev/loop0 > >> cryptsetup luksOpen /dev/loop0 foo > >> pvcreate /dev/mapper/foo > >> vgcreate our_volume /dev/mapper/foo > >> lvcreate -L 128M -n logfstest our_volume > >> yes yes | mklogfs /dev/mapper/our_volume-logfstest > >> mount /dev/mapper/our_volume-logfstest /mnt/ > > Which kernel version are you using? Latest git - well, close to latest, given the current kernel.org trouble. > >> It is a bit annoying that cryptsetup cannot easily be scripted. > > It can be easily scripted. (In quiet mode it will not ask for YES response, add -q, > or just do "echo -n $PASSWORD | cryptsetup luksFormat ...") Ok, I'll use that in the future. Thanks. Jörn -- More computing sins are committed in the name of efficiency (without necessarily achieving it) than for any other single reason - including blind stupidity. -- W. A. Wulf -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
