Project Number Date
test_Tails_ISO_20522-ocr-more 32 17 Jan 2025, 05:26

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 11:7.237 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.
21.728
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.996
And I prepare Tails for memory erasure tests 0.381
When I start a process allocating 128 MiB of memory with a known pattern 2.359
Then patterns cover at least 128 MiB in the guest's memory 3.285

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

When I kill the allocating process 1.688
Then I find very few patterns in the guest's memory after 3 seconds 6.017

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

After features/support/hooks.rb:326 0.896
After features/support/hooks.rb:100 0.000
24.461
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.002
And I prepare Tails for memory erasure tests 0.421
And I find very few patterns in the guest's memory 2.737

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.216
Then patterns cover at least 99% of the test FS size in the guest's memory 3.400

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

When I umount "/mnt" 0.970
Then I find very few patterns in the guest's memory after 3 seconds 5.712

Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)

After features/support/hooks.rb:326 1.017
After features/support/hooks.rb:100 0.000
52.001
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.135
And I prepare Tails for memory erasure tests 0.368
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.063
Then I find very few patterns in the guest's memory 3.647

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.059
Then patterns cover at least 75% of the test FS size in the guest's memory 4.328

Pattern coverage: 90.452% (115 MiB out of 127 MiB reference memory)

When I umount the USB drive 2.692
Then I find very few patterns in the guest's memory after 3 seconds 6.235

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

# read cache
When I mount the USB drive again 0.899
And I read the content of the test FS 0.867
Then patterns cover at least 99% of the test FS size in the guest's memory 3.455

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

When I umount the USB drive 1.670
Then I find very few patterns in the guest's memory after 3 seconds 6.576

Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)

After features/support/hooks.rb:326 0.861
After features/support/hooks.rb:100 0.000
1:16.903
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.087
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.768
Then I find very few patterns in the guest's memory 2.916

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

# write cache
When I fill the USB drive with a known pattern 2.240
Then patterns cover at least 99% of the test FS size in the guest's memory 3.305

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

When I umount the USB drive 1.009
Then I find very few patterns in the guest's memory after 3 seconds 6.024

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

# read cache
When I mount the USB drive again 5.661
And I read the content of the test FS 0.470
Then patterns cover at least 99% of the test FS size in the guest's memory 2.601

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

When I umount the USB drive 0.968
Then I find very few patterns in the guest's memory after 3 seconds 5.421

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

After features/support/hooks.rb:326 0.945
After features/support/hooks.rb:100 0.000
59.276
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.957
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the root filesystem 16.344
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 11.202
Then patterns cover at least 128 MiB in the guest's memory 2.594

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 20.741

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

After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
7:12.865
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 6:28.925
And I prepare Tails for memory erasure tests 0.522
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.148
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.257

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:326 3.569
After features/support/hooks.rb:100 0.012