Project Number Date
test_Tails_ISO_stable 5034 18 Aug 2024, 12:10

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 10:42.594 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
22.408
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.966
And I prepare Tails for memory erasure tests 0.420
When I start a process allocating 128 MiB of memory with a known pattern 2.308
Then patterns cover at least 128 MiB in the guest's memory 3.691 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.908
Then I find very few patterns in the guest's memory after 3 seconds 7.113 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.703
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.093
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.043 
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 1.818
Then patterns cover at least 99% of the test FS size in the guest's memory 3.312 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.051
Then I find very few patterns in the guest's memory after 3 seconds 5.946 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.787
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.762
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.935
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.995
Then I find very few patterns in the guest's memory 3.110 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.780
Then patterns cover at least 75% of the test FS size in the guest's memory 3.667 
Pattern coverage: 89.781% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.435
Then I find very few patterns in the guest's memory after 3 seconds 6.194 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.253
And I read the content of the test FS 0.755
Then patterns cover at least 99% of the test FS size in the guest's memory 3.503 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.849
Then I find very few patterns in the guest's memory after 3 seconds 5.885 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 0.825
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.181
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.930
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.493
Then I find very few patterns in the guest's memory 2.496 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.812
Then patterns cover at least 99% of the test FS size in the guest's memory 3.053 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.975
Then I find very few patterns in the guest's memory after 3 seconds 5.927 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 4.615
And I read the content of the test FS 0.720
Then patterns cover at least 99% of the test FS size in the guest's memory 3.563 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 5.471 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.936
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.750
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.880
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the root filesystem 17.824
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.124
Then patterns cover at least 128 MiB in the guest's memory 2.729 
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 20.771 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.474
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
7:3.787
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:19.407
And I prepare Tails for memory erasure tests 0.377
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.831
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.160 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.035