Project Number Date
test_Tails_ISO_devel 3692 15 Feb 2025, 09:44

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 11:48.172 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
22.428
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.301
And I prepare Tails for memory erasure tests 0.489
When I start a process allocating 128 MiB of memory with a known pattern 1.187
Then patterns cover at least 128 MiB in the guest's memory 3.484 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.972
Then I find very few patterns in the guest's memory after 5 seconds 7.993 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:326 2.431
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.301
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.224
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 3.007 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.743
Then patterns cover at least 99% of the test FS size in the guest's memory 3.784 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.495
Then I find very few patterns in the guest's memory after 3 seconds 6.620 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.733
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.526
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.098
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.060
Then I find very few patterns in the guest's memory 3.464 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.332
Then patterns cover at least 75% of the test FS size in the guest's memory 3.776 
Pattern coverage: 86.273% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.275
Then I find very few patterns in the guest's memory after 3 seconds 6.547 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.737
Then patterns cover at least 99% of the test FS size in the guest's memory 4.570 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.538
Then I find very few patterns in the guest's memory after 3 seconds 7.470 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.971
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.682
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.249
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.280
Then I find very few patterns in the guest's memory 2.715 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.771
Then patterns cover at least 99% of the test FS size in the guest's memory 2.724 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.096
Then I find very few patterns in the guest's memory after 3 seconds 5.370 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 6.080
And I read the content of the test FS 0.547
Then patterns cover at least 99% of the test FS size in the guest's memory 2.894 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.787
Then I find very few patterns in the guest's memory after 3 seconds 5.733 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.937
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.507
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.656
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 16.895
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.735
Then patterns cover at least 128 MiB in the guest's memory 3.015 
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 20.757 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.476
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:8.726
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 7:23.442
And I prepare Tails for memory erasure tests 0.551
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.407
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.313 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.573
After features/support/hooks.rb:100 0.014