Project Number Date
test_Tails_ISO_stable 4537 28 Nov 2023, 00:12

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 14:19.414 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
17.656
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 0.427
When I start a process allocating 128 MiB of memory with a known pattern 1.213
Then patterns cover at least 128 MiB in the guest's memory 3.616 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.267
Then I find very few patterns in the guest's memory 4.192 
Pattern coverage: 0.000% (0 MiB out of 1214 MiB reference memory)
After features/support/hooks.rb:291 0.658
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:5.641
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.089
And I prepare Tails for memory erasure tests 0.471
And I find very few patterns in the guest's memory 4.583 
Pattern coverage: 0.000% (0 MiB out of 1212 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 42.662
Then patterns cover at least 99% of the test FS size in the guest's memory 3.622 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.267
Then I find very few patterns in the guest's memory 5.944 
Pattern coverage: 0.000% (0 MiB out of 1212 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
3:18.037
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.292
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.990
Then I find very few patterns in the guest's memory 4.536 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:33.572
Then patterns cover at least 86% of the test FS size in the guest's memory 4.154 
Pattern coverage: 94.817% (118 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.842
Then I find very few patterns in the guest's memory 4.503 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# read cache
When I mount the USB drive again 0.264
And I read the content of the test FS 1.046
Then patterns cover at least 99% of the test FS size in the guest's memory 6.938 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.265
Then I find very few patterns in the guest's memory 6.136 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
After features/support/hooks.rb:291 0.969
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:46.455
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.771
And I prepare Tails for memory erasure tests 0.511
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.202
Then I find very few patterns in the guest's memory 3.899 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:50.391
Then patterns cover at least 99% of the test FS size in the guest's memory 3.074 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.714
Then I find very few patterns in the guest's memory 3.510 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
# read cache
When I mount the USB drive again 3.318
And I read the content of the test FS 1.167
Then patterns cover at least 99% of the test FS size in the guest's memory 2.762 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory 3.458 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
After features/support/hooks.rb:291 0.877
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.900
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.554
And I prepare Tails for memory erasure tests 0.529
When I fill a 128 MiB file with a known pattern on the root filesystem 13.992
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.695
Then patterns cover at least 128 MiB in the guest's memory 2.497 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.554
And I wait 20 seconds 20.015 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.060 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
After features/support/hooks.rb:291 3.428
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:1.723
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 5:16.787
And I prepare Tails for memory erasure tests 0.508
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.787
When I trigger shutdown 0.364
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.254 
Pattern coverage: 0.000% (0 MiB out of 1189 MiB reference memory)
After features/support/hooks.rb:291 3.475
After features/support/hooks.rb:75 0.011