Project Number Date
test_Tails_ISO_20668-unblock-20-time.sh 3 20 Nov 2024, 19:45

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 12:29.478 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
25.427
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.170
And I prepare Tails for memory erasure tests 0.633
When I start a process allocating 128 MiB of memory with a known pattern 2.984
Then patterns cover at least 128 MiB in the guest's memory 4.516 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.346
Then I find very few patterns in the guest's memory after 3 seconds 6.775 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.076
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.037
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.411
And I prepare Tails for memory erasure tests 0.667
And I find very few patterns in the guest's memory 4.125 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.037
Then patterns cover at least 99% of the test FS size in the guest's memory 4.184 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.995
Then I find very few patterns in the guest's memory after 3 seconds 6.615 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.181
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.843
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.449
And I prepare Tails for memory erasure tests 0.697
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.185
Then I find very few patterns in the guest's memory 3.880 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.604
Then patterns cover at least 75% of the test FS size in the guest's memory 4.263 
Pattern coverage: 88.336% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.137
Then I find very few patterns in the guest's memory after 3 seconds 6.723 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# read cache
When I mount the USB drive again 0.626
And I read the content of the test FS 1.128
Then patterns cover at least 99% of the test FS size in the guest's memory 4.125 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.107
Then I find very few patterns in the guest's memory after 3 seconds 6.912 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.806
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.708
And I prepare Tails for memory erasure tests 0.660
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.418
Then I find very few patterns in the guest's memory 3.113 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.938
Then patterns cover at least 99% of the test FS size in the guest's memory 3.549 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.057
Then I find very few patterns in the guest's memory after 3 seconds 6.070 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# read cache
When I mount the USB drive again 10.989
And I read the content of the test FS 0.589
Then patterns cover at least 99% of the test FS size in the guest's memory 3.517 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.143
Then I find very few patterns in the guest's memory after 3 seconds 6.049 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:326 0.790
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.007
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.430
And I prepare Tails for memory erasure tests 0.681
When I fill a 128 MiB file with a known pattern on the root filesystem 15.630
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.134
Then patterns cover at least 128 MiB in the guest's memory 3.178 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.026
Then I find very few patterns in the guest's memory after 20 seconds 20.924 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.573
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:22.356
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:36.313
And I prepare Tails for memory erasure tests 0.562
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.043
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.417 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.517
After features/support/hooks.rb:100 0.010