Project Number Date
test_Tails_ISO_stable 5281 21 Nov 2024, 08:54

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 12:11.693 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
36.786
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.125
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 2.517
Then patterns cover at least 128 MiB in the guest's memory 3.391 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.618
Then I find very few patterns in the guest's memory after 3 seconds 5.691 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.917
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.299
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.940
And I prepare Tails for memory erasure tests 0.406
And I find very few patterns in the guest's memory 3.395 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.336
Then patterns cover at least 99% of the test FS size in the guest's memory 3.158 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.304
Then I find very few patterns in the guest's memory after 3 seconds 5.756 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.759
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.843
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.129
And I prepare Tails for memory erasure tests 0.563
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.529
Then I find very few patterns in the guest's memory 2.938 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 13.347
Then patterns cover at least 75% of the test FS size in the guest's memory 3.209 
Pattern coverage: 87.844% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.979
Then I find very few patterns in the guest's memory after 3 seconds 6.057 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.414
And I read the content of the test FS 0.553
Then patterns cover at least 99% of the test FS size in the guest's memory 3.915 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.715
Then I find very few patterns in the guest's memory after 3 seconds 6.489 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.993
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.674
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.958
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.709
Then I find very few patterns in the guest's memory 2.436 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.770
Then patterns cover at least 99% of the test FS size in the guest's memory 2.524 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.941
Then I find very few patterns in the guest's memory after 3 seconds 5.524 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 7.136
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 2.689 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.499
Then I find very few patterns in the guest's memory after 3 seconds 5.555 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.416
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.338
And I prepare Tails for memory erasure tests 0.495
When I fill a 128 MiB file with a known pattern on the root filesystem 16.094
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.752
Then patterns cover at least 128 MiB in the guest's memory 2.981 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.740 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:6.673
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 7:22.646
And I prepare Tails for memory erasure tests 0.376
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.293
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.343 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.510
After features/support/hooks.rb:100 0.011