Project Number Date
test_Tails_ISO_stable 5094 11 Sep 2024, 17:49

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 11:43.924 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
22.476
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.719
And I prepare Tails for memory erasure tests 0.416
When I start a process allocating 128 MiB of memory with a known pattern 1.340
Then patterns cover at least 128 MiB in the guest's memory 3.900 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.788
Then I find very few patterns in the guest's memory after 3 seconds 6.311 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.712
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.311
And I prepare Tails for memory erasure tests 0.462
And I find very few patterns in the guest's memory 3.100 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.482
Then patterns cover at least 99% of the test FS size in the guest's memory 3.368 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.803
Then I find very few patterns in the guest's memory after 3 seconds 6.184 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.059
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.513
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.331
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.423
Then I find very few patterns in the guest's memory 3.084 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.107
Then patterns cover at least 75% of the test FS size in the guest's memory 3.709 
Pattern coverage: 89.187% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.877
Then I find very few patterns in the guest's memory after 3 seconds 6.777 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.384
And I read the content of the test FS 1.181
Then patterns cover at least 99% of the test FS size in the guest's memory 4.887 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.260
Then I find very few patterns in the guest's memory after 3 seconds 6.018 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.395
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.858
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.838
And I prepare Tails for memory erasure tests 0.452
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.605
Then I find very few patterns in the guest's memory 2.522 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.852
Then patterns cover at least 99% of the test FS size in the guest's memory 2.984 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.145
Then I find very few patterns in the guest's memory after 3 seconds 5.446 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 8.840
And I read the content of the test FS 0.497
Then patterns cover at least 99% of the test FS size in the guest's memory 3.740 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.543
Then I find very few patterns in the guest's memory after 3 seconds 5.386 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.900
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.523
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.315
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the root filesystem 16.685
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.008
Then patterns cover at least 128 MiB in the guest's memory 4.169 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 20.862 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.548
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:53.839
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:9.881
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.092
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.420 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.681
After features/support/hooks.rb:100 0.011