Project Number Date
test_Tails_ISO_stable 4724 18 Mar 2024, 13:26

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 9:9.137 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
18.597
Before features/support/hooks.rb:245 0.005
Given I have started Tails from DVD without network and logged in 7.945
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 1.331
Then patterns cover at least 128 MiB in the guest's memory 3.768 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.156
Then I find very few patterns in the guest's memory 3.977 
Pattern coverage: 0.000% (0 MiB out of 930 MiB reference memory)
After features/support/hooks.rb:291 0.874
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
21.679
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.880
And I prepare Tails for memory erasure tests 0.387
And I find very few patterns in the guest's memory 3.863 
Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.652
Then patterns cover at least 99% of the test FS size in the guest's memory 3.391 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.619
Then I find very few patterns in the guest's memory 3.884 
Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)
After features/support/hooks.rb:291 0.895
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
38.898
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.029
And I prepare Tails for memory erasure tests 0.373
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.758
Then I find very few patterns in the guest's memory 3.887 
Pattern coverage: 0.000% (0 MiB out of 933 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.408
Then patterns cover at least 86% of the test FS size in the guest's memory 3.647 
Pattern coverage: 95.494% (121 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.026
Then I find very few patterns in the guest's memory 3.927 
Pattern coverage: 0.000% (0 MiB out of 933 MiB reference memory)
# read cache
When I mount the USB drive again 0.208
And I read the content of the test FS 1.052
Then patterns cover at least 99% of the test FS size in the guest's memory 3.269 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.487
Then I find very few patterns in the guest's memory 3.821 
Pattern coverage: 0.000% (0 MiB out of 933 MiB reference memory)
After features/support/hooks.rb:291 0.685
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:0.750
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.961
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.868
Then I find very few patterns in the guest's memory 3.522 
Pattern coverage: 0.000% (0 MiB out of 933 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.531
Then patterns cover at least 99% of the test FS size in the guest's memory 2.882 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.842
Then I find very few patterns in the guest's memory 3.607 
Pattern coverage: 0.000% (0 MiB out of 933 MiB reference memory)
# read cache
When I mount the USB drive again 4.016
And I read the content of the test FS 0.384
Then patterns cover at least 99% of the test FS size in the guest's memory 2.684 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.465
Then I find very few patterns in the guest's memory 3.556 
Pattern coverage: 0.000% (0 MiB out of 933 MiB reference memory)
After features/support/hooks.rb:291 0.668
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.405
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.938
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the root filesystem 13.705
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.098
Then patterns cover at least 128 MiB in the guest's memory 2.484 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.748 
Pattern coverage: 0.000% (0 MiB out of 929 MiB reference memory)
After features/support/hooks.rb:291 3.504
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:0.807
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:17.191
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.955
When I trigger shutdown 0.011
And I wait 20 seconds 20.016 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.208 
Pattern coverage: 0.000% (0 MiB out of 938 MiB reference memory)
After features/support/hooks.rb:291 3.486
After features/support/hooks.rb:75 0.012