Project Number Date
test_Tails_ISO_19139-arti-bridges 31 14 Dec 2024, 23:10

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 11:57.004 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.
22.812
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.393
And I prepare Tails for memory erasure tests 0.502
When I start a process allocating 128 MiB of memory with a known pattern 2.394
Then patterns cover at least 128 MiB in the guest's memory 4.126

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

When I kill the allocating process 1.284
Then I find very few patterns in the guest's memory after 3 seconds 6.112

Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)

After features/support/hooks.rb:326 0.855
After features/support/hooks.rb:100 0.000
25.725
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.443
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 2.977

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.476
Then patterns cover at least 99% of the test FS size in the guest's memory 3.669

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

When I umount "/mnt" 0.860
Then I find very few patterns in the guest's memory after 3 seconds 6.861

Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)

After features/support/hooks.rb:326 0.960
After features/support/hooks.rb:100 0.000
51.935
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.926
And I prepare Tails for memory erasure tests 0.608
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.197
Then I find very few patterns in the guest's memory 3.149

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

# write cache
When I fill the USB drive with a known pattern 2.607
Then patterns cover at least 75% of the test FS size in the guest's memory 4.303

Pattern coverage: 88.710% (113 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.021
Then I find very few patterns in the guest's memory after 3 seconds 6.521

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

# read cache
When I mount the USB drive again 0.686
And I read the content of the test FS 1.367
Then patterns cover at least 99% of the test FS size in the guest's memory 2.971

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

When I umount the USB drive 1.989
Then I find very few patterns in the guest's memory after 3 seconds 6.586

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

After features/support/hooks.rb:326 0.892
After features/support/hooks.rb:100 0.000
1:20.508
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.178
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.225
Then I find very few patterns in the guest's memory 3.716

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

# write cache
When I fill the USB drive with a known pattern 2.541
Then patterns cover at least 99% of the test FS size in the guest's memory 4.967

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

When I umount the USB drive 1.187
Then I find very few patterns in the guest's memory after 3 seconds 5.433

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

# read cache
When I mount the USB drive again 7.686
And I read the content of the test FS 0.446
Then patterns cover at least 99% of the test FS size in the guest's memory 3.101

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

When I umount the USB drive 0.853
Then I find very few patterns in the guest's memory after 3 seconds 5.751

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

After features/support/hooks.rb:326 0.974
After features/support/hooks.rb:100 0.001
52.072
Before features/support/hooks.rb:269 0.008
Given I have started Tails from DVD without network and logged in 8.921
And I prepare Tails for memory erasure tests 0.512
When I fill a 128 MiB file with a known pattern on the root filesystem 15.980
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.852
Then patterns cover at least 128 MiB in the guest's memory 2.919

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

When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.873

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

After features/support/hooks.rb:326 3.487
After features/support/hooks.rb:100 0.000
8:3.948
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 7:19.383
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.959
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.150

Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)

After features/support/hooks.rb:326 3.557
After features/support/hooks.rb:100 0.014