Project Number Date
test_Tails_ISO_devel 3818 18 May 2025, 10:11

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 11:35.427 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
26.561
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 9.200
And I prepare Tails for memory erasure tests 0.555
When I start a process allocating 128 MiB of memory with a known pattern 2.319
Then patterns cover at least 128 MiB in the guest's memory 5.016 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.099
Then I find very few patterns in the guest's memory after 5 seconds 8.368 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.754
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.786
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 8.289
And I prepare Tails for memory erasure tests 0.604
And I find very few patterns in the guest's memory 3.753 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.842
Then patterns cover at least 99% of the test FS size in the guest's memory 4.097 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.545
Then I find very few patterns in the guest's memory after 3 seconds 6.653 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.327
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 8.170
And I prepare Tails for memory erasure tests 0.667
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.064
Then I find very few patterns in the guest's memory 3.660 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.330
Then patterns cover at least 75% of the test FS size in the guest's memory 4.255 
Pattern coverage: 88.437% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.956
Then I find very few patterns in the guest's memory after 3 seconds 7.162 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.312
And I read the content of the test FS 0.867
Then patterns cover at least 99% of the test FS size in the guest's memory 3.777 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.635
Then I find very few patterns in the guest's memory after 3 seconds 6.467 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.901
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 8.518
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.048
Then I find very few patterns in the guest's memory 2.608 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.982
Then patterns cover at least 99% of the test FS size in the guest's memory 3.035 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.593
Then I find very few patterns in the guest's memory after 3 seconds 5.905 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 4.109
And I read the content of the test FS 0.598
Then patterns cover at least 99% of the test FS size in the guest's memory 3.375 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.731
Then I find very few patterns in the guest's memory after 3 seconds 5.943 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.316
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.096
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 8.145
And I prepare Tails for memory erasure tests 0.527
When I fill a 128 MiB file with a known pattern on the root filesystem 15.920
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.087
Then patterns cover at least 128 MiB in the guest's memory 2.508 
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 20.894 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.464
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:47.753
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 6:59.376
And I prepare Tails for memory erasure tests 0.514
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.570
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.279 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 3.514
After features/support/hooks.rb:100 0.011