Project Number Date
test_Tails_ISO_20297-test-suite-reject-allow-internal-dns-resolution 23 21 Apr 2025, 22:30

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 11:29.466 Passed
Tags: @product @slow @not_release_blocker
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.
Tags: @product @slow @not_release_blocker
24.570
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.147
And I prepare Tails for memory erasure tests 0.444
When I start a process allocating 128 MiB of memory with a known pattern 2.329
Then patterns cover at least 128 MiB in the guest's memory 3.749 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.274
Then I find very few patterns in the guest's memory after 5 seconds 8.625 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.725
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.622
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.894
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 3.072 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.489
Then patterns cover at least 99% of the test FS size in the guest's memory 3.938 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.981
Then I find very few patterns in the guest's memory after 3 seconds 6.831 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.962
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.646
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.126
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.061
Then I find very few patterns in the guest's memory 3.734 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.442
Then patterns cover at least 75% of the test FS size in the guest's memory 4.290 
Pattern coverage: 87.479% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.266
Then I find very few patterns in the guest's memory after 3 seconds 6.667 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.240
And I read the content of the test FS 0.923
Then patterns cover at least 99% of the test FS size in the guest's memory 4.255 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.248
Then I find very few patterns in the guest's memory after 3 seconds 5.939 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.765
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.154
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.285
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.647
Then I find very few patterns in the guest's memory 3.400 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.212
Then patterns cover at least 99% of the test FS size in the guest's memory 3.458 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.657
Then I find very few patterns in the guest's memory after 3 seconds 5.983 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 4.397
And I read the content of the test FS 1.459
Then patterns cover at least 99% of the test FS size in the guest's memory 3.354 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.551
Then I find very few patterns in the guest's memory after 3 seconds 6.288 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 2.214
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.671
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.197
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 15.496
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.658
Then patterns cover at least 128 MiB in the guest's memory 2.929 
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 20.927 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.619
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.801
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:59.373
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.680
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.292 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.011