Project Number Date
test_Tails_ISO_stable 5424 28 Jan 2025, 02:43

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 11:27.818 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
25.065
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.007
And I prepare Tails for memory erasure tests 0.470
When I start a process allocating 128 MiB of memory with a known pattern 4.070
Then patterns cover at least 128 MiB in the guest's memory 3.123 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.059
Then I find very few patterns in the guest's memory after 5 seconds 8.335 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.769
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.800
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.960
And I prepare Tails for memory erasure tests 0.547
And I find very few patterns in the guest's memory 2.664 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.147
Then patterns cover at least 99% of the test FS size in the guest's memory 3.247 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.627
Then I find very few patterns in the guest's memory after 3 seconds 5.604 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.397
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.828
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.185
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.923
Then I find very few patterns in the guest's memory 2.569 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.616
Then patterns cover at least 75% of the test FS size in the guest's memory 3.301 
Pattern coverage: 86.845% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.622
Then I find very few patterns in the guest's memory after 3 seconds 5.981 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.323
And I read the content of the test FS 0.937
Then patterns cover at least 99% of the test FS size in the guest's memory 2.830 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.147
Then I find very few patterns in the guest's memory after 3 seconds 5.948 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.154
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.829
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.196
And I prepare Tails for memory erasure tests 0.545
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.946
Then I find very few patterns in the guest's memory 2.602 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.039
Then patterns cover at least 99% of the test FS size in the guest's memory 4.168 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.103
Then I find very few patterns in the guest's memory after 3 seconds 6.243 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 5.803
And I read the content of the test FS 0.419
Then patterns cover at least 99% of the test FS size in the guest's memory 3.298 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory after 3 seconds 5.786 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.835
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.695
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.207
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 17.571
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.262
Then patterns cover at least 128 MiB in the guest's memory 3.328 
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 20.878 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:41.598
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 6:55.960
And I prepare Tails for memory erasure tests 0.564
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.466
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.593 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.556
After features/support/hooks.rb:100 0.012