Project Number Date
test_Tails_ISO_stable 5463 17 Feb 2025, 13:13

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 12:12.161 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
25.987
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.300
And I prepare Tails for memory erasure tests 0.510
When I start a process allocating 128 MiB of memory with a known pattern 2.503
Then patterns cover at least 128 MiB in the guest's memory 4.099 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.885
Then I find very few patterns in the guest's memory after 5 seconds 8.688 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.028
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.540
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.238
And I prepare Tails for memory erasure tests 0.556
And I find very few patterns in the guest's memory 3.284 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.355
Then patterns cover at least 99% of the test FS size in the guest's memory 3.249 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.798
Then I find very few patterns in the guest's memory after 3 seconds 6.058 
Pattern coverage: 0.000% (0 MiB out of 875 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
52.238
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.967
And I prepare Tails for memory erasure tests 0.534
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.527
Then I find very few patterns in the guest's memory 3.316 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.877
Then patterns cover at least 75% of the test FS size in the guest's memory 4.416 
Pattern coverage: 87.721% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.471
Then I find very few patterns in the guest's memory after 3 seconds 6.600 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.270
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 4.230 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.924
Then I find very few patterns in the guest's memory after 3 seconds 7.525 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.033
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.436
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.427
And I prepare Tails for memory erasure tests 0.500
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.320
Then I find very few patterns in the guest's memory 2.721 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.272
Then patterns cover at least 99% of the test FS size in the guest's memory 3.191 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.757
Then I find very few patterns in the guest's memory after 3 seconds 5.571 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 6.487
And I read the content of the test FS 0.641
Then patterns cover at least 99% of the test FS size in the guest's memory 3.109 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.691
Then I find very few patterns in the guest's memory after 3 seconds 5.745 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.984
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
50.760
Before features/support/hooks.rb:269 0.012
Given I have started Tails from DVD without network and logged in 8.815
And I prepare Tails for memory erasure tests 0.493
When I fill a 128 MiB file with a known pattern on the root filesystem 15.335
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.977
Then patterns cover at least 128 MiB in the guest's memory 3.184 
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 20.939 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.571
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:17.197
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:30.399
And I prepare Tails for memory erasure tests 0.666
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.793
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.324 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.476
After features/support/hooks.rb:100 0.015