Project Number Date
test_Tails_ISO_stable 5435 31 Jan 2025, 12:37

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 10:43.961 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
22.626
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.756
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 2.262
Then patterns cover at least 128 MiB in the guest's memory 3.191 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.190
Then I find very few patterns in the guest's memory after 5 seconds 7.801 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.763
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.305
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.919
And I prepare Tails for memory erasure tests 0.388
And I find very few patterns in the guest's memory 2.771 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.922
Then patterns cover at least 99% of the test FS size in the guest's memory 3.097 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.629
Then I find very few patterns in the guest's memory after 3 seconds 6.576 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 0.731
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.270
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.779
And I prepare Tails for memory erasure tests 0.356
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.100
Then I find very few patterns in the guest's memory 2.690 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.622
Then patterns cover at least 75% of the test FS size in the guest's memory 3.118 
Pattern coverage: 86.855% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.226
Then I find very few patterns in the guest's memory after 3 seconds 5.905 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.293
And I read the content of the test FS 0.661
Then patterns cover at least 99% of the test FS size in the guest's memory 3.196 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.620
Then I find very few patterns in the guest's memory after 3 seconds 5.697 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 2.093
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.065
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.949
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.124
Then I find very few patterns in the guest's memory 2.390 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.113
Then patterns cover at least 99% of the test FS size in the guest's memory 2.719 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.887
Then I find very few patterns in the guest's memory after 3 seconds 5.351 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 5.037
And I read the content of the test FS 0.403
Then patterns cover at least 99% of the test FS size in the guest's memory 2.670 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.673
Then I find very few patterns in the guest's memory after 3 seconds 5.355 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.198
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.917
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 15.976
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.614
Then patterns cover at least 128 MiB in the guest's memory 2.512 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.743 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.531
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:12.495
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 6:28.513
And I prepare Tails for memory erasure tests 0.565
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.235
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.168 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.497
After features/support/hooks.rb:100 0.012