Project Number Date
test_Tails_ISO_stable 5656 19 May 2025, 09:53

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 11:32.069 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
26.220
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 8.412
And I prepare Tails for memory erasure tests 0.469
When I start a process allocating 128 MiB of memory with a known pattern 3.924
Then patterns cover at least 128 MiB in the guest's memory 3.425 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.319
Then I find very few patterns in the guest's memory after 5 seconds 8.668 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:330 0.717
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.567
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 8.164
And I prepare Tails for memory erasure tests 0.409
And I find very few patterns in the guest's memory 3.710 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.263
Then patterns cover at least 99% of the test FS size in the guest's memory 3.874 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.604
Then I find very few patterns in the guest's memory after 3 seconds 6.540 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.685
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.765
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 8.367
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.158
Then I find very few patterns in the guest's memory 3.687 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.962
Then patterns cover at least 75% of the test FS size in the guest's memory 4.299 
Pattern coverage: 90.706% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.084
Then I find very few patterns in the guest's memory after 3 seconds 6.673 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
# read cache
When I mount the USB drive again 0.288
And I read the content of the test FS 0.788
Then patterns cover at least 99% of the test FS size in the guest's memory 3.977 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.381
Then I find very few patterns in the guest's memory after 3 seconds 6.661 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
After features/support/hooks.rb:330 1.248
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.399
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 8.437
And I prepare Tails for memory erasure tests 0.500
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.517
Then I find very few patterns in the guest's memory 2.949 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.612
Then patterns cover at least 99% of the test FS size in the guest's memory 2.747 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.677
Then I find very few patterns in the guest's memory after 3 seconds 6.003 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
# read cache
When I mount the USB drive again 4.787
And I read the content of the test FS 0.901
Then patterns cover at least 99% of the test FS size in the guest's memory 3.477 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.569
Then I find very few patterns in the guest's memory after 3 seconds 6.217 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
After features/support/hooks.rb:330 1.056
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.579
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 8.314
And I prepare Tails for memory erasure tests 0.541
When I fill a 128 MiB file with a known pattern on the root filesystem 14.563
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.062
Then patterns cover at least 128 MiB in the guest's memory 2.284 
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 20.800 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 3.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:48.537
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 7:3.154
And I prepare Tails for memory erasure tests 0.898
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.084
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.386 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:330 3.547
After features/support/hooks.rb:100 0.010