Project Number Date
test_Tails_ISO_stable 5441 03 Feb 2025, 23:01

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 11:28.702 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
24.935
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.139
And I prepare Tails for memory erasure tests 0.461
When I start a process allocating 128 MiB of memory with a known pattern 2.619
Then patterns cover at least 128 MiB in the guest's memory 3.953 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.657
Then I find very few patterns in the guest's memory after 5 seconds 8.104 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 2.556
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.683
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.468
And I prepare Tails for memory erasure tests 0.487
And I find very few patterns in the guest's memory 3.376 
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 2.405
Then patterns cover at least 99% of the test FS size in the guest's memory 3.803 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.593
Then I find very few patterns in the guest's memory after 3 seconds 6.548 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 0.885
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.841
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.844
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.069
Then I find very few patterns in the guest's memory 3.178 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.065
Then patterns cover at least 75% of the test FS size in the guest's memory 3.852 
Pattern coverage: 89.050% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.647
Then I find very few patterns in the guest's memory after 3 seconds 6.147 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.373
And I read the content of the test FS 0.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.529 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.742
Then I find very few patterns in the guest's memory after 3 seconds 6.385 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.780
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.114
And I prepare Tails for memory erasure tests 0.583
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.376
Then I find very few patterns in the guest's memory 2.555 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.965
Then patterns cover at least 99% of the test FS size in the guest's memory 2.585 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.917
Then I find very few patterns in the guest's memory after 3 seconds 5.673 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 6.525
And I read the content of the test FS 0.503
Then patterns cover at least 99% of the test FS size in the guest's memory 3.002 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.201
Then I find very few patterns in the guest's memory after 3 seconds 5.774 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 0.946
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.097
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.177
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the root filesystem 17.400
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.171
Then patterns cover at least 128 MiB in the guest's memory 3.143 
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 20.726 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.483
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:41.364
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:57.099
And I prepare Tails for memory erasure tests 0.726
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.199
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.326 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.014