Project Number Date
test_Tails_ISO_stable 5124 28 Sep 2024, 12:17

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 11:20.755 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
31.931
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.627
And I prepare Tails for memory erasure tests 0.457
When I start a process allocating 128 MiB of memory with a known pattern 3.760
Then patterns cover at least 128 MiB in the guest's memory 8.439 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.291
Then I find very few patterns in the guest's memory after 3 seconds 10.355 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.280
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.782
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.272
And I prepare Tails for memory erasure tests 0.422
And I find very few patterns in the guest's memory 3.134 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.237
Then patterns cover at least 99% of the test FS size in the guest's memory 4.175 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.926
Then I find very few patterns in the guest's memory after 3 seconds 6.613 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 1.683
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.588
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.087
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.914
Then I find very few patterns in the guest's memory 3.621 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.869
Then patterns cover at least 75% of the test FS size in the guest's memory 3.306 
Pattern coverage: 87.265% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.948
Then I find very few patterns in the guest's memory after 3 seconds 5.780 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.390
And I read the content of the test FS 0.797
Then patterns cover at least 99% of the test FS size in the guest's memory 3.757 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.180
Then I find very few patterns in the guest's memory after 3 seconds 6.538 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.351
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.674
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.005
And I prepare Tails for memory erasure tests 0.399
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.486
Then I find very few patterns in the guest's memory 2.724 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.919
Then patterns cover at least 99% of the test FS size in the guest's memory 3.673 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.937
Then I find very few patterns in the guest's memory after 3 seconds 6.075 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 6.206
And I read the content of the test FS 0.422
Then patterns cover at least 99% of the test FS size in the guest's memory 3.498 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.340
Then I find very few patterns in the guest's memory after 3 seconds 5.984 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.792
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.286
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.969
And I prepare Tails for memory erasure tests 0.380
When I fill a 128 MiB file with a known pattern on the root filesystem 15.706
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.773
Then patterns cover at least 128 MiB in the guest's memory 2.671 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.772 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:326 3.494
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:25.491
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 6:41.082
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.141
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.845 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.012