Project Number Date
test_Tails_ISO_20522-ocr-more 26 04 Jan 2025, 05:15

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 11:25.863 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.
22.073
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.290
And I prepare Tails for memory erasure tests 0.482
When I start a process allocating 128 MiB of memory with a known pattern 2.467
Then patterns cover at least 128 MiB in the guest's memory 3.683

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

When I kill the allocating process 1.109
Then I find very few patterns in the guest's memory after 3 seconds 6.040

Pattern coverage: 0.000% (0 MiB out of 715 MiB reference memory)

After features/support/hooks.rb:326 0.885
After features/support/hooks.rb:100 0.000
23.849
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.179
And I prepare Tails for memory erasure tests 0.500
And I find very few patterns in the guest's memory 3.125

Pattern coverage: 0.000% (0 MiB out of 718 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.458
Then patterns cover at least 99% of the test FS size in the guest's memory 3.514

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

When I umount "/mnt" 0.341
Then I find very few patterns in the guest's memory after 3 seconds 6.731

Pattern coverage: 0.000% (0 MiB out of 718 MiB reference memory)

After features/support/hooks.rb:326 0.745
After features/support/hooks.rb:100 0.000
49.782
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.597
And I prepare Tails for memory erasure tests 0.509
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.130
Then I find very few patterns in the guest's memory 3.229

Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.443
Then patterns cover at least 75% of the test FS size in the guest's memory 3.789

Pattern coverage: 81.350% (103 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.147
Then I find very few patterns in the guest's memory after 3 seconds 7.020

Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)

# read cache
When I mount the USB drive again 0.256
And I read the content of the test FS 0.906
Then patterns cover at least 99% of the test FS size in the guest's memory 3.999

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

When I umount the USB drive 1.087
Then I find very few patterns in the guest's memory after 3 seconds 6.665

Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)

After features/support/hooks.rb:326 0.763
After features/support/hooks.rb:100 0.000
1:22.701
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.065
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.141
Then I find very few patterns in the guest's memory 3.794

Pattern coverage: 0.000% (0 MiB out of 696 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.237
Then patterns cover at least 99% of the test FS size in the guest's memory 3.329

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

When I umount the USB drive 0.881
Then I find very few patterns in the guest's memory after 3 seconds 6.267

Pattern coverage: 0.000% (0 MiB out of 696 MiB reference memory)

# read cache
When I mount the USB drive again 7.554
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 2.498

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

When I umount the USB drive 0.646
Then I find very few patterns in the guest's memory after 3 seconds 5.358

Pattern coverage: 0.000% (0 MiB out of 696 MiB reference memory)

After features/support/hooks.rb:326 1.846
After features/support/hooks.rb:100 0.000
53.210
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.235
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the root filesystem 19.623
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.274
Then patterns cover at least 128 MiB in the guest's memory 2.810

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

When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.813

Pattern coverage: 0.000% (0 MiB out of 707 MiB reference memory)

After features/support/hooks.rb:326 3.533
After features/support/hooks.rb:100 0.000
7:34.245
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:50.220
And I prepare Tails for memory erasure tests 0.538
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.277
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.195

Pattern coverage: 0.000% (0 MiB out of 728 MiB reference memory)

After features/support/hooks.rb:326 3.514
After features/support/hooks.rb:100 0.012