Project Number Date
test_Tails_ISO_stable 5525 21 Mar 2025, 12:56

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 11:21.299 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
25.262
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 8.117
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 2.438
Then patterns cover at least 128 MiB in the guest's memory 5.438 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.709
Then I find very few patterns in the guest's memory after 5 seconds 8.103 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.876
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.970
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 8.161
And I prepare Tails for memory erasure tests 0.445
And I find very few patterns in the guest's memory 4.007 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.052
Then patterns cover at least 99% of the test FS size in the guest's memory 4.598 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.387
Then I find very few patterns in the guest's memory after 3 seconds 6.316 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 0.789
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.260
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 8.629
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.167
Then I find very few patterns in the guest's memory 3.489 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.769
Then patterns cover at least 75% of the test FS size in the guest's memory 4.227 
Pattern coverage: 86.928% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.253
Then I find very few patterns in the guest's memory after 3 seconds 6.605 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.558
And I read the content of the test FS 1.023
Then patterns cover at least 99% of the test FS size in the guest's memory 3.955 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.529
Then I find very few patterns in the guest's memory after 3 seconds 6.596 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.800
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.255
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 8.002
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.530
Then I find very few patterns in the guest's memory 2.987 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.746
Then patterns cover at least 99% of the test FS size in the guest's memory 3.331 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 5.791 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 3.820
And I read the content of the test FS 0.866
Then patterns cover at least 99% of the test FS size in the guest's memory 3.384 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.550
Then I find very few patterns in the guest's memory after 3 seconds 6.165 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.684
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.143
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 8.147
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the root filesystem 15.532
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.027
Then patterns cover at least 128 MiB in the guest's memory 3.065 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.038
Then I find very few patterns in the guest's memory after 20 seconds 20.901 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 3.566
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:35.407
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 6:50.915
And I prepare Tails for memory erasure tests 0.650
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.699
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.128 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.518
After features/support/hooks.rb:100 0.011