Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 29 29 Mar 2025, 21:58

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 11:55.543 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.
24.058
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 8.033
And I prepare Tails for memory erasure tests 0.464
When I start a process allocating 128 MiB of memory with a known pattern 3.302
Then patterns cover at least 128 MiB in the guest's memory 3.577

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

When I kill the allocating process 0.782
Then I find very few patterns in the guest's memory after 5 seconds 7.897

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:330 0.747
After features/support/hooks.rb:100 0.000
22.888
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 8.020
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 2.742

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.180
Then patterns cover at least 99% of the test FS size in the guest's memory 3.214

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

When I umount "/mnt" 0.594
Then I find very few patterns in the guest's memory after 3 seconds 5.700

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:330 0.675
After features/support/hooks.rb:100 0.000
50.820
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 8.360
And I prepare Tails for memory erasure tests 0.383
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.943
Then I find very few patterns in the guest's memory 3.269

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

# write cache
When I fill the USB drive with a known pattern 2.480
Then patterns cover at least 75% of the test FS size in the guest's memory 4.122

Pattern coverage: 88.474% (112 MiB out of 127 MiB reference memory)

When I umount the USB drive 3.822
Then I find very few patterns in the guest's memory after 3 seconds 5.733

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

# read cache
When I mount the USB drive again 0.257
And I read the content of the test FS 0.511
Then patterns cover at least 99% of the test FS size in the guest's memory 4.861

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

When I umount the USB drive 0.580
Then I find very few patterns in the guest's memory after 3 seconds 6.492

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

After features/support/hooks.rb:330 0.848
After features/support/hooks.rb:100 0.000
1:11.663
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 7.949
And I prepare Tails for memory erasure tests 0.385
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.316
Then I find very few patterns in the guest's memory 2.305

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.750
Then patterns cover at least 99% of the test FS size in the guest's memory 2.499

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

When I umount the USB drive 0.653
Then I find very few patterns in the guest's memory after 3 seconds 5.797

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

# read cache
When I mount the USB drive again 4.338
And I read the content of the test FS 2.907
Then patterns cover at least 99% of the test FS size in the guest's memory 3.364

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

When I umount the USB drive 0.562
Then I find very few patterns in the guest's memory after 3 seconds 5.834

Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)

After features/support/hooks.rb:330 1.731
After features/support/hooks.rb:100 0.000
50.493
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 8.107
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the root filesystem 15.679
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.466
Then patterns cover at least 128 MiB in the guest's memory 3.028

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 20.789

Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)

After features/support/hooks.rb:330 3.470
After features/support/hooks.rb:100 0.000
8:15.619
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:31.572
And I prepare Tails for memory erasure tests 0.609
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.295
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 894 MiB reference memory)

After features/support/hooks.rb:330 3.519
After features/support/hooks.rb:100 0.014