Project Number Date
test_Tails_ISO_stable 5246 04 Nov 2024, 12:40

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 11:48.448 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
20.945
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.278
And I prepare Tails for memory erasure tests 0.412
When I start a process allocating 128 MiB of memory with a known pattern 2.373
Then patterns cover at least 128 MiB in the guest's memory 3.755 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.462
Then I find very few patterns in the guest's memory after 3 seconds 5.663 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.413
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.652
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.461
And I prepare Tails for memory erasure tests 0.457
And I find very few patterns in the guest's memory 2.871 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.880
Then patterns cover at least 99% of the test FS size in the guest's memory 4.009 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.974
Then I find very few patterns in the guest's memory after 3 seconds 6.997 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.360
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.785
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.603
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.247
Then I find very few patterns in the guest's memory 3.931 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.983
Then patterns cover at least 75% of the test FS size in the guest's memory 4.813 
Pattern coverage: 91.569% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.770
Then I find very few patterns in the guest's memory after 3 seconds 6.691 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.515
And I read the content of the test FS 0.679
Then patterns cover at least 99% of the test FS size in the guest's memory 4.285 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.873
Then I find very few patterns in the guest's memory after 3 seconds 6.937 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.983
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.665
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.362
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.470
Then I find very few patterns in the guest's memory 2.986 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.340
Then patterns cover at least 99% of the test FS size in the guest's memory 3.810 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.482
Then I find very few patterns in the guest's memory after 3 seconds 6.463 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 6.070
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 3.890 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.588
Then I find very few patterns in the guest's memory after 3 seconds 6.155 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.012
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.267
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.619
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the root filesystem 15.251
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.734
Then patterns cover at least 128 MiB in the guest's memory 3.303 
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 20.877 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.565
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:54.131
Before features/support/hooks.rb:269 0.009
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:6.811
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.622
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.214 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.597
After features/support/hooks.rb:100 0.013