Project Number Date
test_Tails_ISO_devel 3762 02 Apr 2025, 14:02

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 11:2.906 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
24.453
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.062
And I prepare Tails for memory erasure tests 0.444
When I start a process allocating 128 MiB of memory with a known pattern 3.549
Then patterns cover at least 128 MiB in the guest's memory 3.541 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.639
Then I find very few patterns in the guest's memory after 5 seconds 8.217 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:330 0.691
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.359
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.036
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.086 
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 2.059
Then patterns cover at least 99% of the test FS size in the guest's memory 3.839 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.652
Then I find very few patterns in the guest's memory after 3 seconds 6.249 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 0.715
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.372
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.023
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.019
Then I find very few patterns in the guest's memory 3.322 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.638
Then patterns cover at least 75% of the test FS size in the guest's memory 3.724 
Pattern coverage: 86.751% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.551
Then I find very few patterns in the guest's memory after 3 seconds 5.971 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.301
And I read the content of the test FS 0.520
Then patterns cover at least 99% of the test FS size in the guest's memory 3.424 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.388
Then I find very few patterns in the guest's memory after 3 seconds 6.081 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.711
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.565
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.130
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" 39.125
Then I find very few patterns in the guest's memory 2.773 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.829
Then patterns cover at least 99% of the test FS size in the guest's memory 2.700 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.726
Then I find very few patterns in the guest's memory after 3 seconds 5.634 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 4.446
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 3.096 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.593
Then I find very few patterns in the guest's memory after 3 seconds 5.630 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 1.464
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.632
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.106
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the root filesystem 16.602
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.951
Then patterns cover at least 128 MiB in the guest's memory 2.752 
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 20.793 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.522
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:34.180
And I prepare Tails for memory erasure tests 0.486
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.609
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.228 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.575
After features/support/hooks.rb:100 0.011