Project Number Date
test_Tails_ISO_stable 4954 18 Jul 2024, 08:59

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:36.402 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
25.715
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 11.476
And I prepare Tails for memory erasure tests 0.608
When I start a process allocating 128 MiB of memory with a known pattern 2.383
Then patterns cover at least 128 MiB in the guest's memory 4.164 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.652
Then I find very few patterns in the guest's memory 4.429 
Pattern coverage: 0.000% (0 MiB out of 850 MiB reference memory)
After features/support/hooks.rb:326 0.907
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.787
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.619
And I prepare Tails for memory erasure tests 0.442
And I find very few patterns in the guest's memory 3.950 
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 2.729
Then patterns cover at least 99% of the test FS size in the guest's memory 3.481 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 3.737
Then I find very few patterns in the guest's memory 4.825 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 1.093
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.404
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.562
And I prepare Tails for memory erasure tests 0.517
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.592
Then I find very few patterns in the guest's memory 5.279 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.899
Then patterns cover at least 86% of the test FS size in the guest's memory 5.433 
Pattern coverage: 89.588% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.481
Then I find very few patterns in the guest's memory 4.895 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.286
And I read the content of the test FS 1.034
Then patterns cover at least 99% of the test FS size in the guest's memory 4.238 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.436
Then I find very few patterns in the guest's memory 4.747 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.899
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.982
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.757
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.496
Then I find very few patterns in the guest's memory 3.267 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.111
Then patterns cover at least 99% of the test FS size in the guest's memory 3.197 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.646
Then I find very few patterns in the guest's memory 3.526 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 5.827
And I read the content of the test FS 0.405
Then patterns cover at least 99% of the test FS size in the guest's memory 2.972 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.864
Then I find very few patterns in the guest's memory 3.513 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 2.199
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.962
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.298
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the root filesystem 20.755
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.178
Then patterns cover at least 128 MiB in the guest's memory 3.323 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.938 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.551
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 6:48.961
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.862
When I trigger shutdown 0.012
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.264 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.577
After features/support/hooks.rb:100 0.010