Project Number Date
test_Tails_ISO_18215-update-chutney-force-all-tests 10 27 Mar 2025, 13:37

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 12:1.726 Passed
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
24.607
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.551
And I prepare Tails for memory erasure tests 0.449
When I start a process allocating 128 MiB of memory with a known pattern 2.377
Then patterns cover at least 128 MiB in the guest's memory 3.953

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.757
Then I find very few patterns in the guest's memory after 5 seconds 8.517

Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)

After features/support/hooks.rb:330 0.787
After features/support/hooks.rb:100 0.000
25.302
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.669
And I prepare Tails for memory erasure tests 0.529
And I find very few patterns in the guest's memory 3.343

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.194
Then patterns cover at least 99% of the test FS size in the guest's memory 3.830

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.510
Then I find very few patterns in the guest's memory after 3 seconds 6.224

Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)

After features/support/hooks.rb:330 0.769
After features/support/hooks.rb:100 0.000
48.295
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.423
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.250
Then I find very few patterns in the guest's memory 3.346

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.595
Then patterns cover at least 75% of the test FS size in the guest's memory 3.820

Pattern coverage: 89.876% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.059
Then I find very few patterns in the guest's memory after 3 seconds 6.324

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

# read cache
When I mount the USB drive again 0.263
And I read the content of the test FS 0.711
Then patterns cover at least 99% of the test FS size in the guest's memory 3.572

Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.609
Then I find very few patterns in the guest's memory after 3 seconds 6.891

Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)

After features/support/hooks.rb:330 0.786
After features/support/hooks.rb:100 0.000
1:33.020
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 21.375
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.396
Then I find very few patterns in the guest's memory 3.278

Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.828
Then patterns cover at least 99% of the test FS size in the guest's memory 3.365

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.769
Then I find very few patterns in the guest's memory after 3 seconds 5.770

Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)

# read cache
When I mount the USB drive again 4.435
And I read the content of the test FS 0.482
Then patterns cover at least 99% of the test FS size in the guest's memory 3.545

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.744
Then I find very few patterns in the guest's memory after 3 seconds 6.564

Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)

After features/support/hooks.rb:330 1.990
After features/support/hooks.rb:100 0.000
51.744
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.394
And I prepare Tails for memory erasure tests 0.578
When I fill a 128 MiB file with a known pattern on the root filesystem 17.103
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.842
Then patterns cover at least 128 MiB in the guest's memory 3.013

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.796

Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)

After features/support/hooks.rb:330 3.624
After features/support/hooks.rb:100 0.000
7:58.756
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:11.386
And I prepare Tails for memory erasure tests 0.770
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.223
When I trigger shutdown 0.081
Then I find very few patterns in the guest's memory after 20 seconds 21.294

Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)

After features/support/hooks.rb:330 3.541
After features/support/hooks.rb:100 0.011