Project Number Date
test_Tails_ISO_devel 3628 31 Dec 2024, 12:23

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 11:8.984 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
19.837
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.927
And I prepare Tails for memory erasure tests 0.479
When I start a process allocating 128 MiB of memory with a known pattern 1.260
Then patterns cover at least 128 MiB in the guest's memory 3.290 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.001
Then I find very few patterns in the guest's memory after 3 seconds 5.877 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.980
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.368
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.036
And I prepare Tails for memory erasure tests 0.540
And I find very few patterns in the guest's memory 2.835 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.646
Then patterns cover at least 99% of the test FS size in the guest's memory 3.157 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.514
Then I find very few patterns in the guest's memory after 3 seconds 6.638 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.769
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.957
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.900
And I prepare Tails for memory erasure tests 0.509
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.039
Then I find very few patterns in the guest's memory 3.217 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.005
Then patterns cover at least 75% of the test FS size in the guest's memory 4.332 
Pattern coverage: 86.714% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.492
Then I find very few patterns in the guest's memory after 3 seconds 6.753 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.349
And I read the content of the test FS 0.796
Then patterns cover at least 99% of the test FS size in the guest's memory 4.198 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.800
Then I find very few patterns in the guest's memory after 3 seconds 6.563 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.843
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.922
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.034
And I prepare Tails for memory erasure tests 0.505
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.428
Then I find very few patterns in the guest's memory 2.791 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.616
Then patterns cover at least 99% of the test FS size in the guest's memory 2.788 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.878
Then I find very few patterns in the guest's memory after 3 seconds 5.300 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 4.284
And I read the content of the test FS 0.498
Then patterns cover at least 99% of the test FS size in the guest's memory 2.633 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.650
Then I find very few patterns in the guest's memory after 3 seconds 5.509 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.843
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.347
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.618
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the root filesystem 20.714
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.263
Then patterns cover at least 128 MiB in the guest's memory 2.620 
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 20.724 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:29.551
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 6:45.173
And I prepare Tails for memory erasure tests 0.614
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.222
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.523 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 3.581
After features/support/hooks.rb:100 0.035