Project Number Date
test_Tails_ISO_devel 3563 27 Oct 2024, 12:46

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 11:3.891 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
26.190
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.030
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 4.100
Then patterns cover at least 128 MiB in the guest's memory 3.577 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 4.114
Then I find very few patterns in the guest's memory after 3 seconds 5.959 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.763
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.597
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.040
And I prepare Tails for memory erasure tests 0.455
And I find very few patterns in the guest's memory 2.883 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.807
Then patterns cover at least 99% of the test FS size in the guest's memory 3.944 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.886
Then I find very few patterns in the guest's memory after 3 seconds 6.579 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 1.639
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.876
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.103
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.125
Then I find very few patterns in the guest's memory 2.853 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.409
Then patterns cover at least 75% of the test FS size in the guest's memory 3.671 
Pattern coverage: 91.134% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.755
Then I find very few patterns in the guest's memory after 3 seconds 5.756 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.595
Then patterns cover at least 99% of the test FS size in the guest's memory 3.484 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.824
Then I find very few patterns in the guest's memory after 3 seconds 6.606 
Pattern coverage: 0.001% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.143
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.751
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.356
And I prepare Tails for memory erasure tests 0.516
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.018
Then I find very few patterns in the guest's memory 2.993 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.221
Then patterns cover at least 99% of the test FS size in the guest's memory 2.811 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.030
Then I find very few patterns in the guest's memory after 3 seconds 5.206 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 6.484
And I read the content of the test FS 0.802
Then patterns cover at least 99% of the test FS size in the guest's memory 2.752 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.062
Then I find very few patterns in the guest's memory after 3 seconds 5.495 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.831
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.152
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.032
And I prepare Tails for memory erasure tests 0.453
When I fill a 128 MiB file with a known pattern on the root filesystem 15.404
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.069
Then patterns cover at least 128 MiB in the guest's memory 3.373 
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 20.806 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.478
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.323
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 6:36.629
And I prepare Tails for memory erasure tests 1.004
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.494
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.180 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.011