Project Number Date
test_Tails_ISO_stable 5112 24 Sep 2024, 09:09

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 12:27.478 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
25.037
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.074
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 2.334
Then patterns cover at least 128 MiB in the guest's memory 4.832 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.517
Then I find very few patterns in the guest's memory after 3 seconds 6.877 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 1.227
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.432
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.541
And I prepare Tails for memory erasure tests 0.485
And I find very few patterns in the guest's memory 4.235 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.142
Then patterns cover at least 99% of the test FS size in the guest's memory 4.502 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.943
Then I find very few patterns in the guest's memory after 3 seconds 8.581 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:326 1.348
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:2.123
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.584
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.329
Then I find very few patterns in the guest's memory 3.789 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.808
Then patterns cover at least 75% of the test FS size in the guest's memory 4.401 
Pattern coverage: 92.732% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 9.177
Then I find very few patterns in the guest's memory after 3 seconds 6.877 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
# read cache
When I mount the USB drive again 0.457
And I read the content of the test FS 0.748
Then patterns cover at least 99% of the test FS size in the guest's memory 4.380 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.527
Then I find very few patterns in the guest's memory after 3 seconds 6.600 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
After features/support/hooks.rb:326 1.258
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.488
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.494
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.279
Then I find very few patterns in the guest's memory 3.112 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.782
Then patterns cover at least 99% of the test FS size in the guest's memory 3.368 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.042
Then I find very few patterns in the guest's memory after 3 seconds 5.907 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 6.513
And I read the content of the test FS 0.620
Then patterns cover at least 99% of the test FS size in the guest's memory 3.074 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.434
Then I find very few patterns in the guest's memory after 3 seconds 5.431 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 1.011
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.572
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.777
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the root filesystem 14.519
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.981
Then patterns cover at least 128 MiB in the guest's memory 3.758 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.065 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.544
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:18.824
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 7:31.806
And I prepare Tails for memory erasure tests 0.411
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.289
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.298 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.693
After features/support/hooks.rb:100 0.013