Project Number Date
test_Tails_ISO_stable 5346 19 Dec 2024, 08:42

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 10:40.768 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
19.102
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.015
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 1.167
Then patterns cover at least 128 MiB in the guest's memory 3.444 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.628
Then I find very few patterns in the guest's memory after 3 seconds 5.420 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.264
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.586
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.692
And I prepare Tails for memory erasure tests 0.489
And I find very few patterns in the guest's memory 3.707 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.872
Then patterns cover at least 99% of the test FS size in the guest's memory 3.269 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.761
Then I find very few patterns in the guest's memory after 3 seconds 5.793 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.364
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.957
And I prepare Tails for memory erasure tests 0.486
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.548
Then I find very few patterns in the guest's memory 4.131 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.769
Then patterns cover at least 75% of the test FS size in the guest's memory 3.808 
Pattern coverage: 84.213% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.298
Then I find very few patterns in the guest's memory after 3 seconds 6.709 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.301
And I read the content of the test FS 1.778
Then patterns cover at least 99% of the test FS size in the guest's memory 3.584 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.451
Then I find very few patterns in the guest's memory after 3 seconds 6.538 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.269
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.397
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.557
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.241
Then I find very few patterns in the guest's memory 2.473 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.855
Then patterns cover at least 99% of the test FS size in the guest's memory 2.661 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.679
Then I find very few patterns in the guest's memory after 3 seconds 6.066 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 4.782
And I read the content of the test FS 0.481
Then patterns cover at least 99% of the test FS size in the guest's memory 2.646 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.820
Then I find very few patterns in the guest's memory after 3 seconds 5.718 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.872
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.910
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.046
And I prepare Tails for memory erasure tests 0.549
When I fill a 128 MiB file with a known pattern on the root filesystem 15.970
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.471
Then patterns cover at least 128 MiB in the guest's memory 3.023 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.826 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:4.408
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 6:20.869
And I prepare Tails for memory erasure tests 0.576
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.692
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.256 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.009