Project Number Date
test_Tails_ISO_stable 5547 03 Apr 2025, 04:29

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 10:42.508 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
23.332
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 7.955
And I prepare Tails for memory erasure tests 0.384
When I start a process allocating 128 MiB of memory with a known pattern 2.271
Then patterns cover at least 128 MiB in the guest's memory 3.494 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.888
Then I find very few patterns in the guest's memory after 5 seconds 8.337 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.659
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.256
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 7.944
And I prepare Tails for memory erasure tests 0.379
And I find very few patterns in the guest's memory 3.467 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.886
Then patterns cover at least 99% of the test FS size in the guest's memory 3.619 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.679
Then I find very few patterns in the guest's memory after 3 seconds 6.279 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.715
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.709
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 8.016
And I prepare Tails for memory erasure tests 0.391
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.007
Then I find very few patterns in the guest's memory 3.262 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.398
Then patterns cover at least 75% of the test FS size in the guest's memory 3.407 
Pattern coverage: 84.831% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.112
Then I find very few patterns in the guest's memory after 3 seconds 6.121 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
# read cache
When I mount the USB drive again 0.286
And I read the content of the test FS 0.549
Then patterns cover at least 99% of the test FS size in the guest's memory 3.745 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.389
Then I find very few patterns in the guest's memory after 3 seconds 6.021 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 0.841
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.657
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 7.993
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.254
Then I find very few patterns in the guest's memory 2.610 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.428
Then patterns cover at least 99% of the test FS size in the guest's memory 2.911 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.609
Then I find very few patterns in the guest's memory after 3 seconds 5.625 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 3.740
And I read the content of the test FS 0.441
Then patterns cover at least 99% of the test FS size in the guest's memory 3.325 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.492
Then I find very few patterns in the guest's memory after 3 seconds 5.824 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.362
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.805
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 7.925
And I prepare Tails for memory erasure tests 0.376
When I fill a 128 MiB file with a known pattern on the root filesystem 15.642
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.727
Then patterns cover at least 128 MiB in the guest's memory 2.340 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.776 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.490
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:9.746
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:26.865
And I prepare Tails for memory erasure tests 0.639
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.013
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.214 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.496
After features/support/hooks.rb:100 0.011