Project Number Date
test_Tails_ISO_devel 3207 22 Dec 2023, 15:26

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 13:25.367 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
19.845
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.147
And I prepare Tails for memory erasure tests 0.764
When I start a process allocating 128 MiB of memory with a known pattern 2.377
Then patterns cover at least 128 MiB in the guest's memory 3.812 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.246
Then I find very few patterns in the guest's memory 4.497 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
After features/support/hooks.rb:291 0.734
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:1.583
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.059
And I prepare Tails for memory erasure tests 0.597
And I find very few patterns in the guest's memory 4.539 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 38.981
Then patterns cover at least 99% of the test FS size in the guest's memory 3.841 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.411
Then I find very few patterns in the guest's memory 4.152 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
After features/support/hooks.rb:291 0.933
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:47.967
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.377
And I prepare Tails for memory erasure tests 1.588
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.018
Then I find very few patterns in the guest's memory 3.996 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:10.485
Then patterns cover at least 86% of the test FS size in the guest's memory 2.781 
Pattern coverage: 98.011% (122 MiB out of 124 MiB reference memory)
When I umount the USB drive 1.031
Then I find very few patterns in the guest's memory 3.360 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
# read cache
When I mount the USB drive again 0.365
And I read the content of the test FS 0.745
Then patterns cover at least 99% of the test FS size in the guest's memory 2.986 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory 3.771 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
After features/support/hooks.rb:291 1.321
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:28.399
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.133
And I prepare Tails for memory erasure tests 0.682
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.246
Then I find very few patterns in the guest's memory 3.386 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:32.985
Then patterns cover at least 99% of the test FS size in the guest's memory 3.126 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.237
Then I find very few patterns in the guest's memory 3.363 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# read cache
When I mount the USB drive again 4.036
And I read the content of the test FS 0.561
Then patterns cover at least 99% of the test FS size in the guest's memory 2.645 
Pattern coverage: 108.662% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.569
Then I find very few patterns in the guest's memory 3.424 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
After features/support/hooks.rb:291 1.147
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.948
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.467
And I prepare Tails for memory erasure tests 0.733
When I fill a 128 MiB file with a known pattern on the root filesystem 13.312
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.382
Then patterns cover at least 128 MiB in the guest's memory 2.587 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.558
And I wait 20 seconds 20.001 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.903 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
After features/support/hooks.rb:291 3.486
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:58.621
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 5:16.800
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.683
When I trigger shutdown 0.315
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.340 
Pattern coverage: 0.000% (0 MiB out of 1179 MiB reference memory)
After features/support/hooks.rb:291 3.627
After features/support/hooks.rb:75 0.012