Project Number Date
test_Tails_ISO_devel 3687 12 Feb 2025, 15:30

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 11:1.609 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
23.209
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.891
And I prepare Tails for memory erasure tests 0.478
When I start a process allocating 128 MiB of memory with a known pattern 2.324
Then patterns cover at least 128 MiB in the guest's memory 4.117 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.243
Then I find very few patterns in the guest's memory after 5 seconds 8.153 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 0.785
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.943
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.336
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 3.145 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.225
Then patterns cover at least 99% of the test FS size in the guest's memory 3.714 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.934
Then I find very few patterns in the guest's memory after 3 seconds 6.162 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.882
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.892
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.761
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.911
Then I find very few patterns in the guest's memory 2.919 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.522
Then patterns cover at least 75% of the test FS size in the guest's memory 3.295 
Pattern coverage: 86.983% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.521
Then I find very few patterns in the guest's memory after 3 seconds 5.838 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.734
And I read the content of the test FS 0.550
Then patterns cover at least 99% of the test FS size in the guest's memory 3.561 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.861
Then I find very few patterns in the guest's memory after 3 seconds 6.007 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.333
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.924
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.186
Then I find very few patterns in the guest's memory 2.538 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.392
Then patterns cover at least 99% of the test FS size in the guest's memory 3.202 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.972
Then I find very few patterns in the guest's memory after 3 seconds 5.815 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 6.177
And I read the content of the test FS 0.424
Then patterns cover at least 99% of the test FS size in the guest's memory 2.877 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.906
Then I find very few patterns in the guest's memory after 3 seconds 5.465 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.889
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.918
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.109
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the root filesystem 16.624
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.323
Then patterns cover at least 128 MiB in the guest's memory 2.611 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.770 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.548
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:17.311
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 6:31.796
And I prepare Tails for memory erasure tests 0.385
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.969
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.149 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.469
After features/support/hooks.rb:100 0.011