Project Number Date
test_Tails_ISO_stable 4558 07 Dec 2023, 20:51

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 15:19.330 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
17.702
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.040
And I prepare Tails for memory erasure tests 0.563
When I start a process allocating 128 MiB of memory with a known pattern 1.265
Then patterns cover at least 128 MiB in the guest's memory 3.798 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.309
Then I find very few patterns in the guest's memory 3.725 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
After features/support/hooks.rb:291 0.618
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:3.541
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.145
And I prepare Tails for memory erasure tests 0.505
And I find very few patterns in the guest's memory 4.902 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 42.858
Then patterns cover at least 99% of the test FS size in the guest's memory 3.227 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.235
Then I find very few patterns in the guest's memory 3.666 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
After features/support/hooks.rb:291 0.930
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:50.731
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.951
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.939
Then I find very few patterns in the guest's memory 4.336 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3:15.131
Then patterns cover at least 86% of the test FS size in the guest's memory 3.054 
Pattern coverage: 94.199% (117 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.572
Then I find very few patterns in the guest's memory 3.680 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
# read cache
When I mount the USB drive again 0.237
And I read the content of the test FS 0.732
Then patterns cover at least 99% of the test FS size in the guest's memory 2.842 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.242
Then I find very few patterns in the guest's memory 3.565 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
After features/support/hooks.rb:291 0.787
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:2.600
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.245
And I prepare Tails for memory erasure tests 0.505
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.502
Then I find very few patterns in the guest's memory 3.454 
Pattern coverage: 0.000% (0 MiB out of 1192 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:8.105
Then patterns cover at least 99% of the test FS size in the guest's memory 3.762 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.392
Then I find very few patterns in the guest's memory 3.375 
Pattern coverage: 0.000% (0 MiB out of 1192 MiB reference memory)
# read cache
When I mount the USB drive again 3.213
And I read the content of the test FS 0.662
Then patterns cover at least 99% of the test FS size in the guest's memory 2.786 
Pattern coverage: 108.662% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory 4.034 
Pattern coverage: 0.000% (0 MiB out of 1192 MiB reference memory)
After features/support/hooks.rb:291 1.045
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
51.695
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.322
And I prepare Tails for memory erasure tests 0.488
When I fill a 128 MiB file with a known pattern on the root filesystem 15.995
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.903
Then patterns cover at least 128 MiB in the guest's memory 2.698 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.545
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.722 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
After features/support/hooks.rb:291 3.438
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:13.058
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:27.422
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.552
When I trigger shutdown 0.415
And I wait 20 seconds 20.011 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.195 
Pattern coverage: 0.000% (0 MiB out of 1179 MiB reference memory)
After features/support/hooks.rb:291 3.479
After features/support/hooks.rb:75 0.013