Project Number Date
test_Tails_ISO_devel 3809 13 May 2025, 20:24

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 11:54.031 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
24.554
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 8.358
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 1.169
Then patterns cover at least 128 MiB in the guest's memory 4.047 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.996
Then I find very few patterns in the guest's memory after 5 seconds 9.538 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.738
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.670
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 8.245
And I prepare Tails for memory erasure tests 0.470
And I find very few patterns in the guest's memory 3.597 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.819
Then patterns cover at least 99% of the test FS size in the guest's memory 4.148 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.620
Then I find very few patterns in the guest's memory after 3 seconds 6.767 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.801
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.976
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 8.244
And I prepare Tails for memory erasure tests 0.475
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.128
Then I find very few patterns in the guest's memory 3.763 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.535
Then patterns cover at least 75% of the test FS size in the guest's memory 5.536 
Pattern coverage: 88.496% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.975
Then I find very few patterns in the guest's memory after 3 seconds 7.012 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 0.296
And I read the content of the test FS 0.650
Then patterns cover at least 99% of the test FS size in the guest's memory 4.257 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.351
Then I find very few patterns in the guest's memory after 3 seconds 6.749 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.951
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 8.565
And I prepare Tails for memory erasure tests 0.633
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.444
Then I find very few patterns in the guest's memory 2.992 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.576
Then patterns cover at least 99% of the test FS size in the guest's memory 3.395 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.654
Then I find very few patterns in the guest's memory after 3 seconds 6.227 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 3.894
And I read the content of the test FS 0.488
Then patterns cover at least 99% of the test FS size in the guest's memory 3.483 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.471
Then I find very few patterns in the guest's memory after 3 seconds 6.123 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 2.068
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.543
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 8.245
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the root filesystem 18.399
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.957
Then patterns cover at least 128 MiB in the guest's memory 3.601 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.861 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.722
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:1.334
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 7:16.118
And I prepare Tails for memory erasure tests 1.026
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.876
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.300 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.557
After features/support/hooks.rb:100 0.012