Project Number Date
test_Tails_ISO_stable 5570 12 Apr 2025, 12:55

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 11:48.398 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
25.464
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 8.992
And I prepare Tails for memory erasure tests 0.439
When I start a process allocating 128 MiB of memory with a known pattern 1.432
Then patterns cover at least 128 MiB in the guest's memory 4.579 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.119
Then I find very few patterns in the guest's memory after 5 seconds 8.901 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 0.745
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.331
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 9.362
And I prepare Tails for memory erasure tests 0.509
And I find very few patterns in the guest's memory 4.321 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.441
Then patterns cover at least 99% of the test FS size in the guest's memory 4.003 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.592
Then I find very few patterns in the guest's memory after 3 seconds 7.101 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.256
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 8.451
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.304
Then I find very few patterns in the guest's memory 3.607 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.597
Then patterns cover at least 75% of the test FS size in the guest's memory 3.698 
Pattern coverage: 87.733% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.426
Then I find very few patterns in the guest's memory after 3 seconds 7.665 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.244
And I read the content of the test FS 1.604
Then patterns cover at least 99% of the test FS size in the guest's memory 4.035 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.550
Then I find very few patterns in the guest's memory after 3 seconds 6.664 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.771
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.758
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 8.657
And I prepare Tails for memory erasure tests 0.495
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.386
Then I find very few patterns in the guest's memory 3.182 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.718
Then patterns cover at least 99% of the test FS size in the guest's memory 3.800 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.011
Then I find very few patterns in the guest's memory after 3 seconds 6.081 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.585
And I read the content of the test FS 0.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.660 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.572
Then I find very few patterns in the guest's memory after 3 seconds 6.001 
Pattern coverage: 0.000% (0 MiB out of 889 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
51.425
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 8.297
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the root filesystem 17.122
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.011
Then patterns cover at least 128 MiB in the guest's memory 2.644 
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 20.863 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 3.557
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.161
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 7:6.019
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.379
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.316 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 3.525
After features/support/hooks.rb:100 0.026