Project Number Date
test_Tails_ISO_feature-arti 56 12 May 2025, 16:35

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 11:23.936 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
24.213
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 8.190
And I prepare Tails for memory erasure tests 0.533
When I start a process allocating 128 MiB of memory with a known pattern 2.359
Then patterns cover at least 128 MiB in the guest's memory 4.137 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.337
Then I find very few patterns in the guest's memory after 5 seconds 8.654 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.748
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.321
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 8.230
And I prepare Tails for memory erasure tests 0.476
And I find very few patterns in the guest's memory 3.474 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.207
Then patterns cover at least 99% of the test FS size in the guest's memory 4.276 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.669
Then I find very few patterns in the guest's memory after 3 seconds 6.986 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.810
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.779
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 9.706
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.120
Then I find very few patterns in the guest's memory 3.405 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.554
Then patterns cover at least 75% of the test FS size in the guest's memory 4.003 
Pattern coverage: 87.308% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.048
Then I find very few patterns in the guest's memory after 3 seconds 6.417 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.190
And I read the content of the test FS 0.632
Then patterns cover at least 99% of the test FS size in the guest's memory 4.200 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.484
Then I find very few patterns in the guest's memory after 3 seconds 6.518 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.598
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 7.995
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.324
Then I find very few patterns in the guest's memory 3.341 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.900
Then patterns cover at least 99% of the test FS size in the guest's memory 4.223 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.979
Then I find very few patterns in the guest's memory after 3 seconds 6.159 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 4.379
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 3.494 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.441
Then I find very few patterns in the guest's memory after 3 seconds 6.481 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 1.172
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.837
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 8.096
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the root filesystem 16.327
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.976
Then patterns cover at least 128 MiB in the guest's memory 3.010 
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 20.963 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.497
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:35.186
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 6:48.394
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.112
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.244 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.629
After features/support/hooks.rb:100 0.012