Project Number Date
test_Tails_ISO_devel 3657 22 Jan 2025, 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 11:23.218 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
24.588
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.266
And I prepare Tails for memory erasure tests 0.638
When I start a process allocating 128 MiB of memory with a known pattern 4.592
Then patterns cover at least 128 MiB in the guest's memory 3.667 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.436
Then I find very few patterns in the guest's memory after 3 seconds 5.986 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.419
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.788
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.770
And I prepare Tails for memory erasure tests 0.749
And I find very few patterns in the guest's memory 2.961 
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 4.830
Then patterns cover at least 99% of the test FS size in the guest's memory 4.116 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.804
Then I find very few patterns in the guest's memory after 3 seconds 6.554 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 1.120
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.212
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.781
And I prepare Tails for memory erasure tests 0.662
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.315
Then I find very few patterns in the guest's memory 3.157 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.919
Then patterns cover at least 75% of the test FS size in the guest's memory 3.777 
Pattern coverage: 86.567% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.515
Then I find very few patterns in the guest's memory after 3 seconds 6.508 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.283
And I read the content of the test FS 0.845
Then patterns cover at least 99% of the test FS size in the guest's memory 3.976 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.878
Then I find very few patterns in the guest's memory after 3 seconds 6.589 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.963
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.012
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.438
And I prepare Tails for memory erasure tests 0.597
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.597
Then I find very few patterns in the guest's memory 2.548 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.087
Then patterns cover at least 99% of the test FS size in the guest's memory 2.827 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.128
Then I find very few patterns in the guest's memory after 3 seconds 5.684 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 7.078
And I read the content of the test FS 0.534
Then patterns cover at least 99% of the test FS size in the guest's memory 2.885 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.672
Then I find very few patterns in the guest's memory after 3 seconds 5.932 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.621
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.588
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.227
And I prepare Tails for memory erasure tests 0.528
When I fill a 128 MiB file with a known pattern on the root filesystem 20.054
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.896
Then patterns cover at least 128 MiB in the guest's memory 3.093 
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 20.773 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.560
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:29.028
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 6:45.290
And I prepare Tails for memory erasure tests 0.715
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.703
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.307 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.012