On Wed, 19 Jun 2019 at 14:36, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: > > On Wed, 19 Jun 2019 at 13:33, Milan Broz <gmazyland@xxxxxxxxx> wrote: > > > > On 19/06/2019 13:16, Ard Biesheuvel wrote: > > >> Try > > >> cryptsetup open --type plain -c null /dev/sdd test -q > > >> or > > >> dmsetup create test --table " 0 417792 crypt cipher_null-ecb - 0 /dev/sdd 0" > > >> > > >> (or just run full cryptsetup testsuite) > > >> > > > > > > Is that your mode-test script? > > > > > > I saw some errors about the null cipher, but tbh, it looked completely > > > unrelated to me, so i skipped those for the moment. But now, it looks > > > like it is related after all. > > > > This was triggered by align-test, mode-test fails the same though. > > > > It is definitely related, I think you just changed the mode parsing in dm-crypt. > > (cipher null contains only one dash I guess). > > > > On my unpatched 4.19 kernel, mode-test gives me > > $ sudo ./mode-test > aes PLAIN:[table OK][status OK] > LUKS1:[table OK][status OK] CHECKSUM:[OK] > aes-plain PLAIN:[table OK][status OK] > LUKS1:[table OK][status OK] CHECKSUM:[OK] > null PLAIN:[table OK][status OK] > LUKS1:[table OK][status OK] CHECKSUM:[OK] > cipher_null PLAIN:[table FAIL] > Expecting cipher_null-ecb got cipher_null-cbc-plain. > FAILED at line 64 ./mode-test > > which is why I commented out those tests in the first place. > > I can reproduce the crash after I re-enable them again, so I will need > to look into that. But something seems to be broken already. > Note that this is running on arm64 using a kconfig based on the Debian kernel. Actually, could this be an issue with cryptsetup being out of date? On another arm64 system with a more recent distro, it works fine
