Project Number Date
test_Tails_ISO_devel 3754 26 Mar 2025, 13:19

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 11:29.852 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
22.616
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 8.582
And I prepare Tails for memory erasure tests 0.447
When I start a process allocating 128 MiB of memory with a known pattern 1.205
Then patterns cover at least 128 MiB in the guest's memory 3.572 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.892
Then I find very few patterns in the guest's memory after 5 seconds 7.915 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.656
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.512
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 8.893
And I prepare Tails for memory erasure tests 0.440
And I find very few patterns in the guest's memory 2.935 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.577
Then patterns cover at least 99% of the test FS size in the guest's memory 3.229 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.572
Then I find very few patterns in the guest's memory after 3 seconds 5.864 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.186
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 8.852
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.866
Then I find very few patterns in the guest's memory 2.877 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.320
Then patterns cover at least 75% of the test FS size in the guest's memory 4.200 
Pattern coverage: 90.155% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.007
Then I find very few patterns in the guest's memory after 3 seconds 6.174 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.269
And I read the content of the test FS 0.860
Then patterns cover at least 99% of the test FS size in the guest's memory 3.228 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.298
Then I find very few patterns in the guest's memory after 3 seconds 5.782 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.258
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.857
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 8.181
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.004
Then I find very few patterns in the guest's memory 2.542 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.320
Then patterns cover at least 99% of the test FS size in the guest's memory 3.399 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.064
Then I find very few patterns in the guest's memory after 3 seconds 6.234 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 4.738
And I read the content of the test FS 0.624
Then patterns cover at least 99% of the test FS size in the guest's memory 4.946 
Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.842
Then I find very few patterns in the guest's memory after 3 seconds 7.519 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.436
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.547
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 8.329
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the root filesystem 21.418
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.893
Then patterns cover at least 128 MiB in the guest's memory 3.057 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.367 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.539
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:42.132
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 6:57.969
And I prepare Tails for memory erasure tests 0.509
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.465
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.174 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.555
After features/support/hooks.rb:100 0.010