Project Number Date
test_Tails_ISO_devel 3671 29 Jan 2025, 18:06

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 12:20.008 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
23.527
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.376
And I prepare Tails for memory erasure tests 0.426
When I start a process allocating 128 MiB of memory with a known pattern 1.332
Then patterns cover at least 128 MiB in the guest's memory 3.563 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.775
Then I find very few patterns in the guest's memory after 5 seconds 8.053 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.320
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.330
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.500
And I prepare Tails for memory erasure tests 0.609
And I find very few patterns in the guest's memory 3.656 
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 1.607
Then patterns cover at least 99% of the test FS size in the guest's memory 4.022 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.508
Then I find very few patterns in the guest's memory after 3 seconds 6.425 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.800
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.661
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.140
And I prepare Tails for memory erasure tests 0.505
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.199
Then I find very few patterns in the guest's memory 3.623 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.599
Then patterns cover at least 75% of the test FS size in the guest's memory 4.995 
Pattern coverage: 83.653% (106 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.069
Then I find very few patterns in the guest's memory after 3 seconds 6.854 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.315
And I read the content of the test FS 0.627
Then patterns cover at least 99% of the test FS size in the guest's memory 4.316 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.551
Then I find very few patterns in the guest's memory after 3 seconds 6.863 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.921
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.692
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.984
And I prepare Tails for memory erasure tests 0.517
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.899
Then I find very few patterns in the guest's memory 3.195 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.887
Then patterns cover at least 99% of the test FS size in the guest's memory 3.316 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.721
Then I find very few patterns in the guest's memory after 3 seconds 5.831 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 7.547
And I read the content of the test FS 0.583
Then patterns cover at least 99% of the test FS size in the guest's memory 3.503 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.060
Then I find very few patterns in the guest's memory after 3 seconds 7.642 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 1.155
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.748
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.354
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the root filesystem 17.280
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.252
Then patterns cover at least 128 MiB in the guest's memory 3.216 
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 21.173 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:18.048
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 7:33.342
And I prepare Tails for memory erasure tests 0.686
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.685
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.321 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.581
After features/support/hooks.rb:100 0.011