Project Number Date
test_Tails_ISO_stable 4575 18 Dec 2023, 18:05

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 13:17.143 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
19.065
Before features/support/hooks.rb:245 0.006
Given I have started Tails from DVD without network and logged in 8.724
And I prepare Tails for memory erasure tests 0.542
When I start a process allocating 128 MiB of memory with a known pattern 2.342
Then patterns cover at least 128 MiB in the guest's memory 3.099 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.517
Then I find very few patterns in the guest's memory 3.839 
Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)
After features/support/hooks.rb:291 0.771
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
57.367
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.713
And I prepare Tails for memory erasure tests 0.609
And I find very few patterns in the guest's memory 3.820 
Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 37.697
Then patterns cover at least 99% of the test FS size in the guest's memory 3.146 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.648
Then I find very few patterns in the guest's memory 3.731 
Pattern coverage: 0.000% (0 MiB out of 1196 MiB reference memory)
After features/support/hooks.rb:291 0.769
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:44.202
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.548
And I prepare Tails for memory erasure tests 0.546
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.974
Then I find very few patterns in the guest's memory 3.689 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:5.182
Then patterns cover at least 86% of the test FS size in the guest's memory 4.229 
Pattern coverage: 96.902% (120 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.623
Then I find very few patterns in the guest's memory 3.472 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# read cache
When I mount the USB drive again 0.446
And I read the content of the test FS 0.905
Then patterns cover at least 99% of the test FS size in the guest's memory 3.650 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.577
Then I find very few patterns in the guest's memory 4.355 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.716
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:26.262
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.324
And I prepare Tails for memory erasure tests 0.492
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 21.724
Then I find very few patterns in the guest's memory 3.393 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:32.476
Then patterns cover at least 99% of the test FS size in the guest's memory 3.391 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.362
Then I find very few patterns in the guest's memory 3.652 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
# read cache
When I mount the USB drive again 3.561
And I read the content of the test FS 0.763
Then patterns cover at least 99% of the test FS size in the guest's memory 3.168 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.424
Then I find very few patterns in the guest's memory 3.527 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
After features/support/hooks.rb:291 0.893
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.941
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.150
And I prepare Tails for memory erasure tests 0.551
When I fill a 128 MiB file with a known pattern on the root filesystem 11.125
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.489
Then patterns cover at least 128 MiB in the guest's memory 4.105 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.521
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.977 
Pattern coverage: 0.000% (0 MiB out of 1192 MiB reference memory)
After features/support/hooks.rb:291 3.528
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:1.304
Before features/support/hooks.rb:245 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:18.759
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.652
When I trigger shutdown 0.246
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.166 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
After features/support/hooks.rb:291 3.492
After features/support/hooks.rb:75 0.011