Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 24 24 Mar 2025, 21:39

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 10:26.718 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.
23.091
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 8.481
And I prepare Tails for memory erasure tests 0.499
When I start a process allocating 128 MiB of memory with a known pattern 2.354
Then patterns cover at least 128 MiB in the guest's memory 3.158

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

When I kill the allocating process 0.798
Then I find very few patterns in the guest's memory after 5 seconds 7.799

Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)

After features/support/hooks.rb:330 0.792
After features/support/hooks.rb:100 0.000
22.224
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 7.904
And I prepare Tails for memory erasure tests 0.420
And I find very few patterns in the guest's memory 2.810

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.759
Then patterns cover at least 99% of the test FS size in the guest's memory 2.983

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

When I umount "/mnt" 0.511
Then I find very few patterns in the guest's memory after 3 seconds 5.833

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 0.754
After features/support/hooks.rb:100 0.000
42.853
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 7.897
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.876
Then I find very few patterns in the guest's memory 2.565

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.310
Then patterns cover at least 75% of the test FS size in the guest's memory 3.261

Pattern coverage: 87.455% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.033
Then I find very few patterns in the guest's memory after 3 seconds 5.682

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

# read cache
When I mount the USB drive again 0.222
And I read the content of the test FS 0.466
Then patterns cover at least 99% of the test FS size in the guest's memory 3.105

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

When I umount the USB drive 0.381
Then I find very few patterns in the guest's memory after 3 seconds 5.661

Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)

After features/support/hooks.rb:330 0.763
After features/support/hooks.rb:100 0.000
1:8.356
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 7.834
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.134
Then I find very few patterns in the guest's memory 2.367

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.745
Then patterns cover at least 99% of the test FS size in the guest's memory 2.624

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

When I umount the USB drive 0.642
Then I find very few patterns in the guest's memory after 3 seconds 4.987

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

# read cache
When I mount the USB drive again 3.344
And I read the content of the test FS 0.380
Then patterns cover at least 99% of the test FS size in the guest's memory 2.265

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.449
Then I find very few patterns in the guest's memory after 3 seconds 5.187

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:330 1.656
After features/support/hooks.rb:100 0.000
51.975
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 7.904
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 18.652
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.868
Then patterns cover at least 128 MiB in the guest's memory 2.445

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 20.665

Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)

After features/support/hooks.rb:330 3.483
After features/support/hooks.rb:100 0.000
6:58.216
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 6:14.287
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.406
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.088

Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)

After features/support/hooks.rb:330 3.510
After features/support/hooks.rb:100 0.011