Project Number Date
test_Tails_ISO_fix-homepage-image 3 08 Jul 2025, 10:49

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 12:58.213 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.
25.465
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 9.066
And I prepare Tails for memory erasure tests 0.502
When I start a process allocating 128 MiB of memory with a known pattern 1.456
Then patterns cover at least 128 MiB in the guest's memory 6.203

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

When I kill the allocating process 0.490
Then I find very few patterns in the guest's memory after 5 seconds 7.745

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

After features/support/hooks.rb:330 1.313
After features/support/hooks.rb:100 0.000
28.771
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 10.578
And I prepare Tails for memory erasure tests 0.638
And I find very few patterns in the guest's memory 3.482

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.575
Then patterns cover at least 99% of the test FS size in the guest's memory 2.997

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

When I umount "/mnt" 0.568
Then I find very few patterns in the guest's memory after 3 seconds 8.930

Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)

After features/support/hooks.rb:330 0.872
After features/support/hooks.rb:100 0.000
51.591
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 10.046
And I prepare Tails for memory erasure tests 0.457
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.444
Then I find very few patterns in the guest's memory 3.100

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.566
Then patterns cover at least 75% of the test FS size in the guest's memory 3.453

Pattern coverage: 86.402% (110 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.883
Then I find very few patterns in the guest's memory after 3 seconds 6.998

Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)

# read cache
When I mount the USB drive again 0.376
And I read the content of the test FS 0.642
Then patterns cover at least 99% of the test FS size in the guest's memory 3.702

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

When I umount the USB drive 0.739
Then I find very few patterns in the guest's memory after 3 seconds 6.178

Pattern coverage: 0.001% (0 MiB out of 873 MiB reference memory)

After features/support/hooks.rb:330 1.178
After features/support/hooks.rb:100 0.000
1:33.023
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 11.729
And I prepare Tails for memory erasure tests 0.482
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 45.864
Then I find very few patterns in the guest's memory 3.308

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.836
Then patterns cover at least 99% of the test FS size in the guest's memory 3.865

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

When I umount the USB drive 0.836
Then I find very few patterns in the guest's memory after 3 seconds 5.439

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

# read cache
When I mount the USB drive again 5.979
And I read the content of the test FS 0.553
Then patterns cover at least 99% of the test FS size in the guest's memory 5.769

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

When I umount the USB drive 0.766
Then I find very few patterns in the guest's memory after 3 seconds 5.590

Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)

After features/support/hooks.rb:330 1.247
After features/support/hooks.rb:100 0.000
55.487
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 10.074
And I prepare Tails for memory erasure tests 0.700
When I fill a 128 MiB file with a known pattern on the root filesystem 17.205
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.844
Then patterns cover at least 128 MiB in the guest's memory 2.706

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

When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.933

Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)

After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.000
8:43.874
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 7:53.957
And I prepare Tails for memory erasure tests 0.566
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.646
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.682

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

After features/support/hooks.rb:330 5.284
After features/support/hooks.rb:100 0.128