Project Number Date
test_Tails_ISO_devel 3792 29 Apr 2025, 13:13

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 13:10.429 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
26.358
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 8.579
And I prepare Tails for memory erasure tests 0.684
When I start a process allocating 128 MiB of memory with a known pattern 2.491
Then patterns cover at least 128 MiB in the guest's memory 5.347 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.354
Then I find very few patterns in the guest's memory after 5 seconds 8.900 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.114
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 8.712
And I prepare Tails for memory erasure tests 0.557
And I find very few patterns in the guest's memory 3.786 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.646
Then patterns cover at least 99% of the test FS size in the guest's memory 4.254 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.426
Then I find very few patterns in the guest's memory after 3 seconds 7.730 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 0.957
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.312
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 9.655
And I prepare Tails for memory erasure tests 0.686
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.472
Then I find very few patterns in the guest's memory 5.218 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.567
Then patterns cover at least 75% of the test FS size in the guest's memory 4.729 
Pattern coverage: 86.763% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.009
Then I find very few patterns in the guest's memory after 3 seconds 6.929 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 0.184
And I read the content of the test FS 3.184
Then patterns cover at least 99% of the test FS size in the guest's memory 4.163 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.365
Then I find very few patterns in the guest's memory after 3 seconds 9.145 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 0.993
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:29.811
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 8.672
And I prepare Tails for memory erasure tests 0.573
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.040
Then I find very few patterns in the guest's memory 3.995 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.255
Then patterns cover at least 99% of the test FS size in the guest's memory 4.277 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.187
Then I find very few patterns in the guest's memory after 3 seconds 8.785 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 2.503
And I read the content of the test FS 1.493
Then patterns cover at least 99% of the test FS size in the guest's memory 8.240 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.288
Then I find very few patterns in the guest's memory after 3 seconds 7.497 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.977
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
54.334
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 9.162
And I prepare Tails for memory erasure tests 0.911
When I fill a 128 MiB file with a known pattern on the root filesystem 17.160
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.274
Then patterns cover at least 128 MiB in the guest's memory 3.839 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.970 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 3.855
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:53.500
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.012
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:6.415
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.941
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.653 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.580
After features/support/hooks.rb:100 0.010