Project Number Date
test_Tails_ISO_devel 3644 11 Jan 2025, 17:48

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 11:7.827 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
21.769
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.889
And I prepare Tails for memory erasure tests 0.496
When I start a process allocating 128 MiB of memory with a known pattern 2.677
Then patterns cover at least 128 MiB in the guest's memory 3.609 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.393
Then I find very few patterns in the guest's memory after 3 seconds 5.703 
Pattern coverage: 0.000% (0 MiB out of 924 MiB reference memory)
After features/support/hooks.rb:326 0.755
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.116
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.073
And I prepare Tails for memory erasure tests 0.464
And I find very few patterns in the guest's memory 2.734 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.908
Then patterns cover at least 99% of the test FS size in the guest's memory 3.214 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.860
Then I find very few patterns in the guest's memory after 3 seconds 5.861 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.934
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.760
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.948
And I prepare Tails for memory erasure tests 0.661
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.989
Then I find very few patterns in the guest's memory 3.967 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.312
Then patterns cover at least 75% of the test FS size in the guest's memory 4.518 
Pattern coverage: 91.385% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.735
Then I find very few patterns in the guest's memory after 3 seconds 6.081 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 0.322
And I read the content of the test FS 0.854
Then patterns cover at least 99% of the test FS size in the guest's memory 3.037 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.717
Then I find very few patterns in the guest's memory after 3 seconds 5.614 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 0.946
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.076
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.400
And I prepare Tails for memory erasure tests 0.366
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.939
Then I find very few patterns in the guest's memory 2.590 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.973
Then patterns cover at least 99% of the test FS size in the guest's memory 2.596 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.921
Then I find very few patterns in the guest's memory after 3 seconds 5.307 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# read cache
When I mount the USB drive again 5.585
And I read the content of the test FS 0.380
Then patterns cover at least 99% of the test FS size in the guest's memory 2.999 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 5.299 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 0.856
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.410
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.889
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the root filesystem 17.865
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.637
Then patterns cover at least 128 MiB in the guest's memory 3.834 
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 20.723 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.499
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:25.694
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 6:41.170
And I prepare Tails for memory erasure tests 1.041
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.279
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.190 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.483
After features/support/hooks.rb:100 0.015