Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 22 22 Mar 2025, 21:47

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 10:27.724 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.
21.172
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 0.393
When I start a process allocating 128 MiB of memory with a known pattern 1.231
Then patterns cover at least 128 MiB in the guest's memory 3.274

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

When I kill the allocating process 0.450
Then I find very few patterns in the guest's memory after 5 seconds 7.988

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

After features/support/hooks.rb:330 0.661
After features/support/hooks.rb:100 0.000
22.343
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 7.835
And I prepare Tails for memory erasure tests 0.403
And I find very few patterns in the guest's memory 2.705

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.927
Then patterns cover at least 99% of the test FS size in the guest's memory 3.128

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

When I umount "/mnt" 0.393
Then I find very few patterns in the guest's memory after 3 seconds 5.948

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

After features/support/hooks.rb:330 0.649
After features/support/hooks.rb:100 0.000
46.341
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 7.892
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.955
Then I find very few patterns in the guest's memory 3.011

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.593
Then patterns cover at least 75% of the test FS size in the guest's memory 4.162

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

When I umount the USB drive 1.130
Then I find very few patterns in the guest's memory after 3 seconds 6.538

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

# read cache
When I mount the USB drive again 0.220
And I read the content of the test FS 0.567
Then patterns cover at least 99% of the test FS size in the guest's memory 3.876

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

When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory after 3 seconds 5.594

Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)

After features/support/hooks.rb:330 0.666
After features/support/hooks.rb:100 0.000
1:14.752
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 7.945
And I prepare Tails for memory erasure tests 0.366
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.740
Then I find very few patterns in the guest's memory 2.382

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.561
Then patterns cover at least 99% of the test FS size in the guest's memory 2.901

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

When I umount the USB drive 0.762
Then I find very few patterns in the guest's memory after 3 seconds 5.346

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

# read cache
When I mount the USB drive again 4.189
And I read the content of the test FS 0.436
Then patterns cover at least 99% of the test FS size in the guest's memory 2.599

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

When I umount the USB drive 0.541
Then I find very few patterns in the guest's memory after 3 seconds 5.977

Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)

After features/support/hooks.rb:330 1.056
After features/support/hooks.rb:100 0.000
48.198
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 7.775
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the root filesystem 14.603
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.075
Then patterns cover at least 128 MiB in the guest's memory 2.583

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.681

Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)

After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.000
6:54.915
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 6:12.647
And I prepare Tails for memory erasure tests 0.377
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.747
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.130

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

After features/support/hooks.rb:330 3.546
After features/support/hooks.rb:100 0.009