Project Number Date
test_Tails_ISO_19139-arti-bridges 5 18 Nov 2024, 21:53

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 10:37.872 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.
20.560
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.778
And I prepare Tails for memory erasure tests 0.471
When I start a process allocating 128 MiB of memory with a known pattern 2.294
Then patterns cover at least 128 MiB in the guest's memory 4.015

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

When I kill the allocating process 0.237
Then I find very few patterns in the guest's memory after 3 seconds 5.763

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

After features/support/hooks.rb:326 0.720
After features/support/hooks.rb:100 0.000
23.179
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.882
And I prepare Tails for memory erasure tests 0.450
And I find very few patterns in the guest's memory 3.014

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

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.816
Then patterns cover at least 99% of the test FS size in the guest's memory 3.345

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

When I umount "/mnt" 0.546
Then I find very few patterns in the guest's memory after 3 seconds 6.122

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

After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
44.443
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.871
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.110
Then I find very few patterns in the guest's memory 3.109

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.458
Then patterns cover at least 75% of the test FS size in the guest's memory 3.333

Pattern coverage: 85.630% (109 MiB out of 127 MiB reference memory)

When I umount the USB drive 1.303
Then I find very few patterns in the guest's memory after 3 seconds 6.233

Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)

# read cache
When I mount the USB drive again 0.266
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 3.296

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

When I umount the USB drive 0.483
Then I find very few patterns in the guest's memory after 3 seconds 5.980

Pattern coverage: 0.001% (0 MiB out of 866 MiB reference memory)

After features/support/hooks.rb:326 0.762
After features/support/hooks.rb:100 0.000
1:9.781
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.754
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.441
Then I find very few patterns in the guest's memory 2.616

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.897
Then patterns cover at least 99% of the test FS size in the guest's memory 2.926

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

When I umount the USB drive 0.860
Then I find very few patterns in the guest's memory after 3 seconds 6.021

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

# read cache
When I mount the USB drive again 5.106
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 3.088

Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.623
Then I find very few patterns in the guest's memory after 3 seconds 5.534

Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)

After features/support/hooks.rb:326 0.876
After features/support/hooks.rb:100 0.000
49.064
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.845
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the root filesystem 15.537
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.770
Then patterns cover at least 128 MiB in the guest's memory 2.708

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 20.731

Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)

After features/support/hooks.rb:326 3.505
After features/support/hooks.rb:100 0.000
7:10.843
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 6:27.661
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.534
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.204

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

After features/support/hooks.rb:326 3.456
After features/support/hooks.rb:100 0.017