Project Number Date
test_Tails_ISO_20660-fix-random-seed-update 12 21 Nov 2024, 17:48

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 11:49.347 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
23.143
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.747
And I prepare Tails for memory erasure tests 0.495
When I start a process allocating 128 MiB of memory with a known pattern 2.365
Then patterns cover at least 128 MiB in the guest's memory 3.469 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.314
Then I find very few patterns in the guest's memory after 3 seconds 6.751 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 2.188
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.407
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.881
And I prepare Tails for memory erasure tests 0.432
And I find very few patterns in the guest's memory 4.637 
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 2.008
Then patterns cover at least 99% of the test FS size in the guest's memory 5.457 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.983
Then I find very few patterns in the guest's memory after 3 seconds 6.007 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 0.786
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.527
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.398
And I prepare Tails for memory erasure tests 0.462
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.357
Then I find very few patterns in the guest's memory 3.666 
Pattern coverage: 0.000% (0 MiB out of 874 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 4.306 
Pattern coverage: 88.324% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.519
Then I find very few patterns in the guest's memory after 3 seconds 6.814 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.448
And I read the content of the test FS 1.183
Then patterns cover at least 99% of the test FS size in the guest's memory 4.424 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.962
Then I find very few patterns in the guest's memory after 3 seconds 6.136 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.771
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.342
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.394
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.126
Then I find very few patterns in the guest's memory 2.465 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.784
Then patterns cover at least 99% of the test FS size in the guest's memory 2.956 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.347
Then I find very few patterns in the guest's memory after 3 seconds 6.109 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 5.512
And I read the content of the test FS 0.414
Then patterns cover at least 99% of the test FS size in the guest's memory 3.118 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.088
Then I find very few patterns in the guest's memory after 3 seconds 5.581 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 0.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.155
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.850
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the root filesystem 21.849
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.798
Then patterns cover at least 128 MiB in the guest's memory 2.422 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.739 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.758
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:48.770
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 7:2.980
And I prepare Tails for memory erasure tests 0.581
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.851
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.336 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.566
After features/support/hooks.rb:100 0.015