Project Number Date
test_Tails_ISO_20297-test-suite-reject-allow-internal-dns-resolution 4 10 Apr 2025, 17:06

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 12:30.900 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
27.455
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.053
And I prepare Tails for memory erasure tests 0.452
When I start a process allocating 128 MiB of memory with a known pattern 3.978
Then patterns cover at least 128 MiB in the guest's memory 3.638 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.060
Then I find very few patterns in the guest's memory after 5 seconds 9.272 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
After features/support/hooks.rb:330 0.941
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
39.643
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 21.951
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 3.608 
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 1.970
Then patterns cover at least 99% of the test FS size in the guest's memory 4.156 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.539
Then I find very few patterns in the guest's memory after 3 seconds 7.000 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.089
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.251
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 8.338
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.169
Then I find very few patterns in the guest's memory 3.709 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.324
Then patterns cover at least 75% of the test FS size in the guest's memory 4.567 
Pattern coverage: 85.762% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.171
Then I find very few patterns in the guest's memory after 3 seconds 6.932 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# read cache
When I mount the USB drive again 0.377
And I read the content of the test FS 0.562
Then patterns cover at least 99% of the test FS size in the guest's memory 4.533 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.365
Then I find very few patterns in the guest's memory after 3 seconds 6.790 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:330 1.026
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.304
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 9.658
And I prepare Tails for memory erasure tests 0.551
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.960
Then I find very few patterns in the guest's memory 4.227 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.176
Then patterns cover at least 99% of the test FS size in the guest's memory 6.395 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.184
Then I find very few patterns in the guest's memory after 3 seconds 10.564 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
# read cache
When I mount the USB drive again 3.783
And I read the content of the test FS 0.873
Then patterns cover at least 99% of the test FS size in the guest's memory 3.554 
Pattern coverage: 106.115% (97 MiB out of 91 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 6.493 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
After features/support/hooks.rb:330 1.944
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.677
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 8.528
And I prepare Tails for memory erasure tests 0.508
When I fill a 128 MiB file with a known pattern on the root filesystem 16.107
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.958
Then patterns cover at least 128 MiB in the guest's memory 2.617 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.939 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 3.584
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:16.566
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:28.834
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.827
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.414 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 3.607
After features/support/hooks.rb:100 0.016