Project Number Date
test_Tails_ISO_stable 4959 21 Jul 2024, 12:16

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:51.722 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
21.110
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.387
And I prepare Tails for memory erasure tests 0.531
When I start a process allocating 128 MiB of memory with a known pattern 2.442
Then patterns cover at least 128 MiB in the guest's memory 3.625 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.125
Then I find very few patterns in the guest's memory 3.997 
Pattern coverage: 0.000% (0 MiB out of 846 MiB reference memory)
After features/support/hooks.rb:326 2.253
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.296
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.543
And I prepare Tails for memory erasure tests 0.462
And I find very few patterns in the guest's memory 4.138 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.114
Then patterns cover at least 99% of the test FS size in the guest's memory 3.931 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.918
Then I find very few patterns in the guest's memory 4.187 
Pattern coverage: 0.000% (0 MiB out of 857 MiB reference memory)
After features/support/hooks.rb:326 3.248
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.114
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.330
And I prepare Tails for memory erasure tests 1.281
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.327
Then I find very few patterns in the guest's memory 4.872 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.671
Then patterns cover at least 86% of the test FS size in the guest's memory 4.863 
Pattern coverage: 88.300% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.780
Then I find very few patterns in the guest's memory 4.871 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
# read cache
When I mount the USB drive again 0.591
And I read the content of the test FS 1.598
Then patterns cover at least 99% of the test FS size in the guest's memory 4.111 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.751
Then I find very few patterns in the guest's memory 4.061 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
After features/support/hooks.rb:326 2.874
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.061
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.550
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.930
Then I find very few patterns in the guest's memory 4.465 
Pattern coverage: 0.000% (0 MiB out of 842 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.705
Then patterns cover at least 99% of the test FS size in the guest's memory 3.846 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.139
Then I find very few patterns in the guest's memory 3.687 
Pattern coverage: 0.000% (0 MiB out of 842 MiB reference memory)
# read cache
When I mount the USB drive again 8.281
And I read the content of the test FS 0.643
Then patterns cover at least 99% of the test FS size in the guest's memory 3.582 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.829
Then I find very few patterns in the guest's memory 3.975 
Pattern coverage: 0.000% (0 MiB out of 842 MiB reference memory)
After features/support/hooks.rb:326 0.933
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.754
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.382
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the root filesystem 16.866
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.467
Then patterns cover at least 128 MiB in the guest's memory 2.766 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
And I wait 20 seconds 20.010 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.823 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
After features/support/hooks.rb:326 3.726
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:57.385
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:10.743
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.891
When I trigger shutdown 0.014
And I wait 20 seconds 20.005 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.320 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.561
After features/support/hooks.rb:100 0.012