Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 16 20 Mar 2025, 06:23

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 10:56.889 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.
23.159
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 7.935
And I prepare Tails for memory erasure tests 0.397
When I start a process allocating 128 MiB of memory with a known pattern 2.357
Then patterns cover at least 128 MiB in the guest's memory 3.208

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

When I kill the allocating process 1.021
Then I find very few patterns in the guest's memory after 5 seconds 8.238

Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)

After features/support/hooks.rb:330 0.774
After features/support/hooks.rb:100 0.000
23.457
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 8.070
And I prepare Tails for memory erasure tests 0.421
And I find very few patterns in the guest's memory 3.023

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.020
Then patterns cover at least 99% of the test FS size in the guest's memory 3.244

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

When I umount "/mnt" 0.508
Then I find very few patterns in the guest's memory after 3 seconds 6.167

Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)

After features/support/hooks.rb:330 0.894
After features/support/hooks.rb:100 0.000
44.812
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 7.948
And I prepare Tails for memory erasure tests 0.358
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.214
Then I find very few patterns in the guest's memory 3.247

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.410
Then patterns cover at least 75% of the test FS size in the guest's memory 3.872

Pattern coverage: 87.305% (111 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.874
Then I find very few patterns in the guest's memory after 3 seconds 5.776

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

# read cache
When I mount the USB drive again 0.208
And I read the content of the test FS 0.569
Then patterns cover at least 99% of the test FS size in the guest's memory 3.345

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

When I umount the USB drive 0.389
Then I find very few patterns in the guest's memory after 3 seconds 6.595

Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)

After features/support/hooks.rb:330 1.040
After features/support/hooks.rb:100 0.000
1:16.581
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 8.390
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.605
Then I find very few patterns in the guest's memory 2.447

Pattern coverage: 0.000% (0 MiB out of 870 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 2.692

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 5.194

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

# read cache
When I mount the USB drive again 4.375
And I read the content of the test FS 0.413
Then patterns cover at least 99% of the test FS size in the guest's memory 3.219

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

When I umount the USB drive 0.523
Then I find very few patterns in the guest's memory after 3 seconds 5.924

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

After features/support/hooks.rb:330 1.683
After features/support/hooks.rb:100 0.000
49.065
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 8.488
And I prepare Tails for memory erasure tests 0.381
When I fill a 128 MiB file with a known pattern on the root filesystem 14.350
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.141
Then patterns cover at least 128 MiB in the guest's memory 2.813

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 20.873

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

After features/support/hooks.rb:330 4.077
After features/support/hooks.rb:100 0.000
7:19.814
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:35.614
And I prepare Tails for memory erasure tests 0.984
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.116
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.081

Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)

After features/support/hooks.rb:330 3.505
After features/support/hooks.rb:100 0.011