Project Number Date
test_Tails_ISO_stable 4578 20 Dec 2023, 12:14

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 14:20.709 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
18.040
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.633
And I prepare Tails for memory erasure tests 0.613
When I start a process allocating 128 MiB of memory with a known pattern 2.292
Then patterns cover at least 128 MiB in the guest's memory 3.406 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.470
Then I find very few patterns in the guest's memory 3.624 
Pattern coverage: 0.000% (0 MiB out of 1205 MiB reference memory)
After features/support/hooks.rb:291 0.810
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
59.411
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.299
And I prepare Tails for memory erasure tests 0.435
And I find very few patterns in the guest's memory 3.408 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 38.903
Then patterns cover at least 99% of the test FS size in the guest's memory 3.239 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.607
Then I find very few patterns in the guest's memory 4.517 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
After features/support/hooks.rb:291 1.037
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:21.372
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.071
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.000
Then I find very few patterns in the guest's memory 4.248 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:44.944
Then patterns cover at least 86% of the test FS size in the guest's memory 2.716 
Pattern coverage: 94.507% (117 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.797
Then I find very few patterns in the guest's memory 3.652 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
# read cache
When I mount the USB drive again 0.179
And I read the content of the test FS 0.553
Then patterns cover at least 99% of the test FS size in the guest's memory 2.912 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.311
Then I find very few patterns in the guest's memory 4.517 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
After features/support/hooks.rb:291 0.711
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:0.786
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.984
And I prepare Tails for memory erasure tests 0.557
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 21.451
Then I find very few patterns in the guest's memory 4.164 
Pattern coverage: 0.000% (0 MiB out of 1232 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:7.087
Then patterns cover at least 99% of the test FS size in the guest's memory 2.787 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 2.945
Then I find very few patterns in the guest's memory 3.313 
Pattern coverage: 0.000% (0 MiB out of 1232 MiB reference memory)
# read cache
When I mount the USB drive again 3.264
And I read the content of the test FS 0.431
Then patterns cover at least 99% of the test FS size in the guest's memory 3.095 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory 3.265 
Pattern coverage: 0.000% (0 MiB out of 1232 MiB reference memory)
After features/support/hooks.rb:291 0.766
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
50.664
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.945
And I prepare Tails for memory erasure tests 0.542
When I fill a 128 MiB file with a known pattern on the root filesystem 15.053
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.094
Then patterns cover at least 128 MiB in the guest's memory 2.750 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.510
And I wait 20 seconds 20.014 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.753 
Pattern coverage: 0.000% (0 MiB out of 1231 MiB reference memory)
After features/support/hooks.rb:291 3.440
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:50.433
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 5:4.658
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.846
When I trigger shutdown 0.373
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.084 
Pattern coverage: 0.000% (0 MiB out of 1180 MiB reference memory)
After features/support/hooks.rb:291 3.464
After features/support/hooks.rb:75 0.011