Project Number Date
test_Tails_ISO_20666-whisperback-search 15 21 Nov 2024, 22:41

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 11:2.109 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
22.475
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.141
And I prepare Tails for memory erasure tests 0.460
When I start a process allocating 128 MiB of memory with a known pattern 2.521
Then patterns cover at least 128 MiB in the guest's memory 4.023 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.984
Then I find very few patterns in the guest's memory after 3 seconds 6.344 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 1.026
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.753
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.531
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 2.964 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.138
Then patterns cover at least 99% of the test FS size in the guest's memory 4.512 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.791
Then I find very few patterns in the guest's memory after 3 seconds 6.379 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.898
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.052
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.263
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.188
Then I find very few patterns in the guest's memory 3.025 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.846
Then patterns cover at least 75% of the test FS size in the guest's memory 3.808 
Pattern coverage: 89.515% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.533
Then I find very few patterns in the guest's memory after 3 seconds 6.092 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.328
And I read the content of the test FS 0.634
Then patterns cover at least 99% of the test FS size in the guest's memory 3.483 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.601
Then I find very few patterns in the guest's memory after 3 seconds 6.766 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.081
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.193
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.793
And I prepare Tails for memory erasure tests 0.569
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.558
Then I find very few patterns in the guest's memory 2.745 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.070
Then patterns cover at least 99% of the test FS size in the guest's memory 3.293 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.006
Then I find very few patterns in the guest's memory after 3 seconds 5.847 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 5.238
And I read the content of the test FS 0.424
Then patterns cover at least 99% of the test FS size in the guest's memory 2.971 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.798
Then I find very few patterns in the guest's memory after 3 seconds 5.876 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.992
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.842
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.044
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the root filesystem 15.999
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.794
Then patterns cover at least 128 MiB in the guest's memory 2.721 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.875 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.468
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.792
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 6:39.086
And I prepare Tails for memory erasure tests 0.812
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.655
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.224 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.759
After features/support/hooks.rb:100 0.016