Project Number Date
test_Tails_ISO_devel 3595 21 Nov 2024, 20:28

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 11:33.828 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
23.565
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.624
And I prepare Tails for memory erasure tests 0.741
When I start a process allocating 128 MiB of memory with a known pattern 2.494
Then patterns cover at least 128 MiB in the guest's memory 4.277 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.412
Then I find very few patterns in the guest's memory after 3 seconds 6.015 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 1.412
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.319
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.383
And I prepare Tails for memory erasure tests 0.636
And I find very few patterns in the guest's memory 2.958 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.956
Then patterns cover at least 99% of the test FS size in the guest's memory 3.892 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.717
Then I find very few patterns in the guest's memory after 3 seconds 6.775 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.800
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.737
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.380
And I prepare Tails for memory erasure tests 0.550
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.068
Then I find very few patterns in the guest's memory 3.835 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.072
Then patterns cover at least 75% of the test FS size in the guest's memory 4.198 
Pattern coverage: 88.339% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.163
Then I find very few patterns in the guest's memory after 3 seconds 6.964 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.676
And I read the content of the test FS 0.865
Then patterns cover at least 99% of the test FS size in the guest's memory 3.873 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.561
Then I find very few patterns in the guest's memory after 3 seconds 6.524 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.768
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.440
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.113
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.130
Then I find very few patterns in the guest's memory 3.152 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.835
Then patterns cover at least 99% of the test FS size in the guest's memory 2.799 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.999
Then I find very few patterns in the guest's memory after 3 seconds 5.599 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 8.763
And I read the content of the test FS 0.831
Then patterns cover at least 99% of the test FS size in the guest's memory 3.496 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.085
Then I find very few patterns in the guest's memory after 3 seconds 6.180 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.828
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.102
And I prepare Tails for memory erasure tests 0.633
When I fill a 128 MiB file with a known pattern on the root filesystem 17.099
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.267
Then patterns cover at least 128 MiB in the guest's memory 2.940 
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 20.769 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.936
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:51.963
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.842
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.707 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.592
After features/support/hooks.rb:100 0.016