Project Number Date
test_Tails_ISO_stable 5024 13 Aug 2024, 12:48

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 11:34.356 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
21.811
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.124
And I prepare Tails for memory erasure tests 0.426
When I start a process allocating 128 MiB of memory with a known pattern 2.517
Then patterns cover at least 128 MiB in the guest's memory 3.331 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.658
Then I find very few patterns in the guest's memory after 3 seconds 5.753 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.367
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.608
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.827
And I prepare Tails for memory erasure tests 0.763
And I find very few patterns in the guest's memory 3.947 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.094
Then patterns cover at least 99% of the test FS size in the guest's memory 7.524 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 4.441
Then I find very few patterns in the guest's memory after 3 seconds 7.008 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.727
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.257
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.294
And I prepare Tails for memory erasure tests 0.478
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.424
Then I find very few patterns in the guest's memory 3.637 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.995
Then patterns cover at least 75% of the test FS size in the guest's memory 4.289 
Pattern coverage: 88.633% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.401
Then I find very few patterns in the guest's memory after 3 seconds 6.755 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.258
And I read the content of the test FS 0.480
Then patterns cover at least 99% of the test FS size in the guest's memory 4.040 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.658
Then I find very few patterns in the guest's memory after 3 seconds 6.541 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.334
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.070
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.189
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.029
Then I find very few patterns in the guest's memory 3.780 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.724
Then patterns cover at least 99% of the test FS size in the guest's memory 3.050 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.664
Then I find very few patterns in the guest's memory after 3 seconds 6.263 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 5.825
And I read the content of the test FS 0.513
Then patterns cover at least 99% of the test FS size in the guest's memory 2.634 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.615
Then I find very few patterns in the guest's memory after 3 seconds 5.303 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 1.191
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.651
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.376
And I prepare Tails for memory erasure tests 0.614
When I fill a 128 MiB file with a known pattern on the root filesystem 13.646
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.471
Then patterns cover at least 128 MiB in the guest's memory 2.809 
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 20.717 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.536
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.956
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 6:56.180
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.103
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.233 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.708
After features/support/hooks.rb:100 0.012