Project Number Date
test_Tails_ISO_stable 5402 19 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 10:37.883 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
21.769
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 8.775
And I prepare Tails for memory erasure tests 0.419
When I start a process allocating 128 MiB of memory with a known pattern 2.413
Then patterns cover at least 128 MiB in the guest's memory 3.188 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.084
Then I find very few patterns in the guest's memory after 3 seconds 5.888 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.738
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.500
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.922
And I prepare Tails for memory erasure tests 0.386
And I find very few patterns in the guest's memory 3.661 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.946
Then patterns cover at least 99% of the test FS size in the guest's memory 2.857 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.879
Then I find very few patterns in the guest's memory after 3 seconds 5.845 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.888
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.272
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.921
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.972
Then I find very few patterns in the guest's memory 2.865 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.525
Then patterns cover at least 75% of the test FS size in the guest's memory 3.163 
Pattern coverage: 88.725% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.368
Then I find very few patterns in the guest's memory after 3 seconds 5.867 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.388
And I read the content of the test FS 0.561
Then patterns cover at least 99% of the test FS size in the guest's memory 3.012 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.621
Then I find very few patterns in the guest's memory after 3 seconds 5.562 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.829
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.379
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.887
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.518
Then I find very few patterns in the guest's memory 2.724 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.919
Then patterns cover at least 99% of the test FS size in the guest's memory 2.736 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.026
Then I find very few patterns in the guest's memory after 3 seconds 5.268 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 5.604
And I read the content of the test FS 0.500
Then patterns cover at least 99% of the test FS size in the guest's memory 2.754 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.731
Then I find very few patterns in the guest's memory after 3 seconds 5.311 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.791
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.155
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.862
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the root filesystem 15.816
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.822
Then patterns cover at least 128 MiB in the guest's memory 2.542 
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 20.674 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:5.805
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 6:21.301
And I prepare Tails for memory erasure tests 0.380
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.939
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.173 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.497
After features/support/hooks.rb:100 0.012