Project Number Date
test_Tails_ISO_devel 3650 16 Jan 2025, 06:47

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 11:20.887 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.
21.324
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.114
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 2.355
Then patterns cover at least 128 MiB in the guest's memory 4.110

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

When I kill the allocating process 0.275
Then I find very few patterns in the guest's memory after 3 seconds 6.044

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

After features/support/hooks.rb:326 1.033
After features/support/hooks.rb:100 0.000
25.925
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.558
And I prepare Tails for memory erasure tests 0.420
And I find very few patterns in the guest's memory 3.032

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.661
Then patterns cover at least 99% of the test FS size in the guest's memory 3.611

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

When I umount "/mnt" 0.951
Then I find very few patterns in the guest's memory after 3 seconds 6.688

Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)

After features/support/hooks.rb:326 0.912
After features/support/hooks.rb:100 0.000
49.131
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.080
And I prepare Tails for memory erasure tests 0.521
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.015
Then I find very few patterns in the guest's memory 3.500

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

# write cache
When I fill the USB drive with a known pattern 3.041
Then patterns cover at least 75% of the test FS size in the guest's memory 4.093

Pattern coverage: 90.893% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.865
Then I find very few patterns in the guest's memory after 3 seconds 6.482

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

# read cache
When I mount the USB drive again 0.323
And I read the content of the test FS 0.669
Then patterns cover at least 99% of the test FS size in the guest's memory 3.564

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

When I umount the USB drive 0.879
Then I find very few patterns in the guest's memory after 3 seconds 6.094

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

After features/support/hooks.rb:326 0.911
After features/support/hooks.rb:100 0.000
1:15.566
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.144
And I prepare Tails for memory erasure tests 0.376
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.852
Then I find very few patterns in the guest's memory 2.814

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

# write cache
When I fill the USB drive with a known pattern 2.024
Then patterns cover at least 99% of the test FS size in the guest's memory 3.051

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 5.960

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

# read cache
When I mount the USB drive again 5.631
And I read the content of the test FS 0.551
Then patterns cover at least 99% of the test FS size in the guest's memory 3.251

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

When I umount the USB drive 0.910
Then I find very few patterns in the guest's memory after 3 seconds 5.998

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

After features/support/hooks.rb:326 0.995
After features/support/hooks.rb:100 0.000
51.208
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.266
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the root filesystem 15.701
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.076
Then patterns cover at least 128 MiB in the guest's memory 2.941

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

When I trigger shutdown 0.038
Then I find very few patterns in the guest's memory after 20 seconds 21.774

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

After features/support/hooks.rb:326 3.587
After features/support/hooks.rb:100 0.000
7:37.731
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 6:50.991
And I prepare Tails for memory erasure tests 1.064
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.890
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.772

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

After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.012