Project Number Date
test_Tails_ISO_stable 5096 12 Sep 2024, 12:36

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 10:47.055 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
19.712
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.916
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 1.192
Then patterns cover at least 128 MiB in the guest's memory 3.797 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.673
Then I find very few patterns in the guest's memory after 3 seconds 5.702 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.767
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.108
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.847
And I prepare Tails for memory erasure tests 0.386
And I find very few patterns in the guest's memory 3.197 
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 2.174
Then patterns cover at least 99% of the test FS size in the guest's memory 3.724 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.716
Then I find very few patterns in the guest's memory after 3 seconds 6.061 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.705
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.550
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.862
And I prepare Tails for memory erasure tests 0.369
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.238
Then I find very few patterns in the guest's memory 3.098 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.255
Then patterns cover at least 75% of the test FS size in the guest's memory 3.590 
Pattern coverage: 88.636% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.112
Then I find very few patterns in the guest's memory after 3 seconds 5.974 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.242
And I read the content of the test FS 0.530
Then patterns cover at least 99% of the test FS size in the guest's memory 3.496 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory after 3 seconds 6.113 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.214
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.883
And I prepare Tails for memory erasure tests 0.372
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.527
Then I find very few patterns in the guest's memory 2.459 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.690
Then patterns cover at least 99% of the test FS size in the guest's memory 3.008 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.871
Then I find very few patterns in the guest's memory after 3 seconds 5.582 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 5.348
And I read the content of the test FS 0.803
Then patterns cover at least 99% of the test FS size in the guest's memory 3.237 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.857
Then I find very few patterns in the guest's memory after 3 seconds 5.571 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.822
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.396
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.853
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 17.688
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.866
Then patterns cover at least 128 MiB in the guest's memory 2.759 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.765 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.504
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:10.071
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 6:25.292
And I prepare Tails for memory erasure tests 0.382
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.226
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.157 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.520
After features/support/hooks.rb:100 0.011