Project Number Date
test_Tails_ISO_19139-arti-bridges 1 16 Nov 2024, 21:48

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 11:1.427 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.
22.079
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.041
And I prepare Tails for memory erasure tests 0.371
When I start a process allocating 128 MiB of memory with a known pattern 2.512
Then patterns cover at least 128 MiB in the guest's memory 3.831

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

When I kill the allocating process 1.146
Then I find very few patterns in the guest's memory after 3 seconds 6.176

Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)

After features/support/hooks.rb:326 0.916
After features/support/hooks.rb:100 0.000
24.076
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.933
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 2.789

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.937
Then patterns cover at least 99% of the test FS size in the guest's memory 3.789

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

When I umount "/mnt" 0.922
Then I find very few patterns in the guest's memory after 3 seconds 6.307

Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)

After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
48.054
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.999
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.960
Then I find very few patterns in the guest's memory 3.282

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

# write cache
When I fill the USB drive with a known pattern 2.661
Then patterns cover at least 75% of the test FS size in the guest's memory 3.527

Pattern coverage: 91.248% (116 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.716
Then I find very few patterns in the guest's memory after 3 seconds 6.550

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

# read cache
When I mount the USB drive again 0.328
And I read the content of the test FS 0.946
Then patterns cover at least 99% of the test FS size in the guest's memory 3.497

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

When I umount the USB drive 0.805
Then I find very few patterns in the guest's memory after 3 seconds 6.329

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

After features/support/hooks.rb:326 0.868
After features/support/hooks.rb:100 0.000
1:16.908
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.919
And I prepare Tails for memory erasure tests 0.375
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.131
Then I find very few patterns in the guest's memory 2.619

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

# write cache
When I fill the USB drive with a known pattern 2.147
Then patterns cover at least 99% of the test FS size in the guest's memory 3.429

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

When I umount the USB drive 0.998
Then I find very few patterns in the guest's memory after 3 seconds 5.677

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

# read cache
When I mount the USB drive again 4.876
And I read the content of the test FS 0.489
Then patterns cover at least 99% of the test FS size in the guest's memory 3.014

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

When I umount the USB drive 0.673
Then I find very few patterns in the guest's memory after 3 seconds 5.556

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

After features/support/hooks.rb:326 1.013
After features/support/hooks.rb:100 0.000
50.735
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.410
And I prepare Tails for memory erasure tests 0.514
When I fill a 128 MiB file with a known pattern on the root filesystem 16.057
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.171
Then patterns cover at least 128 MiB in the guest's memory 2.729

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 20.837

Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)

After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.000
7:19.572
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:36.411
And I prepare Tails for memory erasure tests 0.644
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.340
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.157

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.012