Project Number Date
test_Tails_ISO_devel 3629 01 Jan 2025, 12:26

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 11:48.588 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
24.786
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.112
And I prepare Tails for memory erasure tests 0.641
When I start a process allocating 128 MiB of memory with a known pattern 2.334
Then patterns cover at least 128 MiB in the guest's memory 4.135 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.023
Then I find very few patterns in the guest's memory after 3 seconds 6.540 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.825
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.260
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.968
And I prepare Tails for memory erasure tests 0.795
And I find very few patterns in the guest's memory 6.846 
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 3.945
Then patterns cover at least 99% of the test FS size in the guest's memory 3.924 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.169
Then I find very few patterns in the guest's memory after 3 seconds 6.611 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.924
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.267
And I prepare Tails for memory erasure tests 0.655
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.136
Then I find very few patterns in the guest's memory 2.793 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.618
Then patterns cover at least 75% of the test FS size in the guest's memory 3.055 
Pattern coverage: 87.485% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.146
Then I find very few patterns in the guest's memory after 3 seconds 5.668 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 1.458
And I read the content of the test FS 0.480
Then patterns cover at least 99% of the test FS size in the guest's memory 3.084 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.501
Then I find very few patterns in the guest's memory after 3 seconds 6.056 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.477
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.933
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.358
And I prepare Tails for memory erasure tests 0.635
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.218
Then I find very few patterns in the guest's memory 2.592 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.109
Then patterns cover at least 99% of the test FS size in the guest's memory 2.750 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.337
Then I find very few patterns in the guest's memory after 3 seconds 4.971 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 6.656
And I read the content of the test FS 0.502
Then patterns cover at least 99% of the test FS size in the guest's memory 2.808 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.747
Then I find very few patterns in the guest's memory after 3 seconds 5.243 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.006
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.709
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.034
And I prepare Tails for memory erasure tests 0.805
When I fill a 128 MiB file with a known pattern on the root filesystem 16.881
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.756
Then patterns cover at least 128 MiB in the guest's memory 2.448 
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 20.768 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.557
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:58.972
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 7:14.658
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.720
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.142 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.472
After features/support/hooks.rb:100 0.056