Project Number Date
test_Tails_ISO_stable 5471 19 Feb 2025, 08:47

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 11:42.986 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
23.820
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.434
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 2.500
Then patterns cover at least 128 MiB in the guest's memory 3.321 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.249
Then I find very few patterns in the guest's memory after 5 seconds 7.883 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.882
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.229
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.280
And I prepare Tails for memory erasure tests 0.492
And I find very few patterns in the guest's memory 3.492 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.380
Then patterns cover at least 99% of the test FS size in the guest's memory 4.365 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 3.866
Then I find very few patterns in the guest's memory after 3 seconds 6.350 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.844
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.773
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.274
And I prepare Tails for memory erasure tests 0.508
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.518
Then I find very few patterns in the guest's memory 3.762 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.750
Then patterns cover at least 75% of the test FS size in the guest's memory 4.842 
Pattern coverage: 89.466% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.018
Then I find very few patterns in the guest's memory after 3 seconds 6.848 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.318
And I read the content of the test FS 1.400
Then patterns cover at least 99% of the test FS size in the guest's memory 4.129 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.417
Then I find very few patterns in the guest's memory after 3 seconds 6.984 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.956
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.280
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.510
And I prepare Tails for memory erasure tests 0.435
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.737
Then I find very few patterns in the guest's memory 2.447 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.728
Then patterns cover at least 99% of the test FS size in the guest's memory 2.625 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.993
Then I find very few patterns in the guest's memory after 3 seconds 5.340 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 5.523
And I read the content of the test FS 0.402
Then patterns cover at least 99% of the test FS size in the guest's memory 2.929 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.434
Then I find very few patterns in the guest's memory after 3 seconds 6.171 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.233
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.627
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.568
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 15.405
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.019
Then patterns cover at least 128 MiB in the guest's memory 3.325 
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 20.869 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.535
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:48.254
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 7:1.657
And I prepare Tails for memory erasure tests 0.753
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.553
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.275 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.606
After features/support/hooks.rb:100 0.011