Project Number Date
test_Tails_ISO_stable 5390 13 Jan 2025, 12:22

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 10:50.894 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
20.205
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.080
And I prepare Tails for memory erasure tests 0.375
When I start a process allocating 128 MiB of memory with a known pattern 2.346
Then patterns cover at least 128 MiB in the guest's memory 3.367 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.219
Then I find very few patterns in the guest's memory after 3 seconds 5.815 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.438
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.222
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.874
And I prepare Tails for memory erasure tests 0.384
And I find very few patterns in the guest's memory 2.792 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.830
Then patterns cover at least 99% of the test FS size in the guest's memory 3.077 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.495
Then I find very few patterns in the guest's memory after 3 seconds 5.767 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.745
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.831
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.970
Then I find very few patterns in the guest's memory 2.548 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.244
Then patterns cover at least 75% of the test FS size in the guest's memory 3.460 
Pattern coverage: 88.774% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.212
Then I find very few patterns in the guest's memory after 3 seconds 5.755 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.337
And I read the content of the test FS 0.609
Then patterns cover at least 99% of the test FS size in the guest's memory 3.088 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.562
Then I find very few patterns in the guest's memory after 3 seconds 5.705 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.780
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.338
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.090
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.226
Then I find very few patterns in the guest's memory 3.059 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.618
Then patterns cover at least 99% of the test FS size in the guest's memory 2.677 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.972
Then I find very few patterns in the guest's memory after 3 seconds 5.304 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 4.152
And I read the content of the test FS 0.456
Then patterns cover at least 99% of the test FS size in the guest's memory 2.573 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.628
Then I find very few patterns in the guest's memory after 3 seconds 5.199 
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
51.783
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.910
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 17.735
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.298
Then patterns cover at least 128 MiB in the guest's memory 2.635 
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 20.767 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:19.598
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 6:36.702
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.308
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.120 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.576
After features/support/hooks.rb:100 0.012