Project Number Date
test_Tails_ISO_devel 3189 11 Dec 2023, 12:20

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 14:3.602 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
19.890
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.910
And I prepare Tails for memory erasure tests 0.638
When I start a process allocating 128 MiB of memory with a known pattern 2.393
Then patterns cover at least 128 MiB in the guest's memory 3.458 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.660
Then I find very few patterns in the guest's memory 3.829 
Pattern coverage: 0.000% (0 MiB out of 1237 MiB reference memory)
After features/support/hooks.rb:291 0.786
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:3.978
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.744
And I prepare Tails for memory erasure tests 0.753
And I find very few patterns in the guest's memory 3.727 
Pattern coverage: 0.000% (0 MiB out of 1236 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 44.756
Then patterns cover at least 99% of the test FS size in the guest's memory 3.051 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.269
Then I find very few patterns in the guest's memory 3.674 
Pattern coverage: 0.000% (0 MiB out of 1236 MiB reference memory)
After features/support/hooks.rb:291 1.372
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:8.409
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.284
And I prepare Tails for memory erasure tests 0.495
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.936
Then I find very few patterns in the guest's memory 3.829 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:19.466
Then patterns cover at least 86% of the test FS size in the guest's memory 6.151 
Pattern coverage: 98.331% (122 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.741
Then I find very few patterns in the guest's memory 9.220 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
# read cache
When I mount the USB drive again 0.446
And I read the content of the test FS 1.825
Then patterns cover at least 99% of the test FS size in the guest's memory 3.808 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.977
Then I find very few patterns in the guest's memory 5.225 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
After features/support/hooks.rb:291 0.840
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:46.602
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.159
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 21.401
Then I find very few patterns in the guest's memory 3.153 
Pattern coverage: 0.000% (0 MiB out of 1239 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:50.423
Then patterns cover at least 99% of the test FS size in the guest's memory 2.742 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.139
Then I find very few patterns in the guest's memory 3.375 
Pattern coverage: 0.000% (0 MiB out of 1239 MiB reference memory)
# read cache
When I mount the USB drive again 3.440
And I read the content of the test FS 1.565
Then patterns cover at least 99% of the test FS size in the guest's memory 3.815 
Pattern coverage: 108.661% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 2.196
Then I find very few patterns in the guest's memory 4.737 
Pattern coverage: 0.000% (0 MiB out of 1239 MiB reference memory)
After features/support/hooks.rb:291 1.921
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
54.866
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.750
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the root filesystem 17.099
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.966
Then patterns cover at least 128 MiB in the guest's memory 3.023 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.788
And I wait 20 seconds 20.012 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.751 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
After features/support/hooks.rb:291 3.493
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:49.855
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 5:2.765
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.341
When I trigger shutdown 0.245
And I wait 20 seconds 20.017 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.016 
Pattern coverage: 0.000% (0 MiB out of 1183 MiB reference memory)
After features/support/hooks.rb:291 3.413
After features/support/hooks.rb:75 0.010