Project Number Date
test_Tails_ISO_devel 3862 10 Jun 2025, 21:39

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 12:45.717 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
24.999
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 8.058
And I prepare Tails for memory erasure tests 0.428
When I start a process allocating 128 MiB of memory with a known pattern 2.519
Then patterns cover at least 128 MiB in the guest's memory 4.578 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.091
Then I find very few patterns in the guest's memory after 5 seconds 8.323 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.722
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.010
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 8.210
And I prepare Tails for memory erasure tests 0.537
And I find very few patterns in the guest's memory 4.242 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.213
Then patterns cover at least 99% of the test FS size in the guest's memory 3.763 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.565
Then I find very few patterns in the guest's memory after 3 seconds 6.479 
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
55.026
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 8.439
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.099
Then I find very few patterns in the guest's memory 4.022 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 6.124
Then patterns cover at least 75% of the test FS size in the guest's memory 4.239 
Pattern coverage: 88.174% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.062
Then I find very few patterns in the guest's memory after 3 seconds 6.957 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.244
And I read the content of the test FS 0.561
Then patterns cover at least 99% of the test FS size in the guest's memory 4.435 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.540
Then I find very few patterns in the guest's memory after 3 seconds 6.785 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.910
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.256
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 9.005
And I prepare Tails for memory erasure tests 0.664
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.983
Then I find very few patterns in the guest's memory 3.308 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.808
Then patterns cover at least 99% of the test FS size in the guest's memory 4.328 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.224
Then I find very few patterns in the guest's memory after 3 seconds 6.206 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 4.096
And I read the content of the test FS 0.591
Then patterns cover at least 99% of the test FS size in the guest's memory 3.408 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.184
Then I find very few patterns in the guest's memory after 3 seconds 6.446 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 2.106
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.540
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 8.436
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the root filesystem 16.939
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.839
Then patterns cover at least 128 MiB in the guest's memory 2.952 
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 20.901 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:41.883
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:50.176
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the persistent filesystem 29.656
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.614 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.619
After features/support/hooks.rb:100 0.019