Project Number Date
test_Tails_ISO_20872-more-gtk-launch 7 02 Apr 2025, 08:20

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 11:1.134 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.
22.789
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 8.095
And I prepare Tails for memory erasure tests 0.426
When I start a process allocating 128 MiB of memory with a known pattern 2.364
Then patterns cover at least 128 MiB in the guest's memory 3.587

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

When I kill the allocating process 0.406
Then I find very few patterns in the guest's memory after 5 seconds 7.907

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

After features/support/hooks.rb:330 0.685
After features/support/hooks.rb:100 0.000
24.409
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 8.138
And I prepare Tails for memory erasure tests 0.543
And I find very few patterns in the guest's memory 2.797

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.175
Then patterns cover at least 99% of the test FS size in the guest's memory 3.956

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

When I umount "/mnt" 0.481
Then I find very few patterns in the guest's memory after 3 seconds 6.316

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

After features/support/hooks.rb:330 0.638
After features/support/hooks.rb:100 0.000
45.359
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 8.079
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.202
Then I find very few patterns in the guest's memory 2.635

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.647
Then patterns cover at least 75% of the test FS size in the guest's memory 3.174

Pattern coverage: 89.383% (114 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.098
Then I find very few patterns in the guest's memory after 3 seconds 6.378

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

# read cache
When I mount the USB drive again 0.288
And I read the content of the test FS 0.528
Then patterns cover at least 99% of the test FS size in the guest's memory 3.963

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

When I umount the USB drive 0.434
Then I find very few patterns in the guest's memory after 3 seconds 6.502

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:330 0.678
After features/support/hooks.rb:100 0.000
1:12.919
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 7.973
And I prepare Tails for memory erasure tests 0.401
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.080
Then I find very few patterns in the guest's memory 2.441

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

# write cache
When I fill the USB drive with a known pattern 2.258
Then patterns cover at least 99% of the test FS size in the guest's memory 2.718

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

When I umount the USB drive 0.752
Then I find very few patterns in the guest's memory after 3 seconds 5.377

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

# read cache
When I mount the USB drive again 4.480
And I read the content of the test FS 0.508
Then patterns cover at least 99% of the test FS size in the guest's memory 3.229

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

When I umount the USB drive 0.689
Then I find very few patterns in the guest's memory after 3 seconds 6.007

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

After features/support/hooks.rb:330 1.098
After features/support/hooks.rb:100 0.000
51.093
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 7.988
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the root filesystem 16.980
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.993
Then patterns cover at least 128 MiB in the guest's memory 2.949

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

When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.693

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

After features/support/hooks.rb:330 3.477
After features/support/hooks.rb:100 0.000
7:24.563
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 6:40.526
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.382
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.185

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

After features/support/hooks.rb:330 3.489
After features/support/hooks.rb:100 0.011