Project Number Date
test_Tails_ISO_stable 5408 21 Jan 2025, 18:12

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 11:20.659 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
25.378
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.850
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 2.341
Then patterns cover at least 128 MiB in the guest's memory 4.092 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.799
Then I find very few patterns in the guest's memory after 3 seconds 7.841 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 1.025
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.930
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.043
And I prepare Tails for memory erasure tests 0.446
And I find very few patterns in the guest's memory 3.932 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.926
Then patterns cover at least 99% of the test FS size in the guest's memory 5.071 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.093
Then I find very few patterns in the guest's memory after 3 seconds 10.416 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 1.190
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.060
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.555
And I prepare Tails for memory erasure tests 0.524
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.144
Then I find very few patterns in the guest's memory 3.276 
Pattern coverage: 0.000% (0 MiB out of 928 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.016
Then patterns cover at least 75% of the test FS size in the guest's memory 4.533 
Pattern coverage: 89.763% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.273
Then I find very few patterns in the guest's memory after 3 seconds 7.159 
Pattern coverage: 0.000% (0 MiB out of 928 MiB reference memory)
# read cache
When I mount the USB drive again 0.477
And I read the content of the test FS 0.838
Then patterns cover at least 99% of the test FS size in the guest's memory 3.778 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.000
Then I find very few patterns in the guest's memory after 3 seconds 6.481 
Pattern coverage: 0.000% (0 MiB out of 928 MiB reference memory)
After features/support/hooks.rb:326 0.871
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.573
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.755
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.539
Then I find very few patterns in the guest's memory 3.723 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.977
Then patterns cover at least 99% of the test FS size in the guest's memory 3.486 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.086
Then I find very few patterns in the guest's memory after 3 seconds 6.033 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 5.669
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 2.992 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.641
Then I find very few patterns in the guest's memory after 3 seconds 5.770 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 0.886
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.880
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.587
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 17.830
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.614
Then patterns cover at least 128 MiB in the guest's memory 2.598 
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 20.800 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.549
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:13.836
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 6:26.327
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.293
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.764 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.013