Project Number Date
test_Tails_ISO_devel 3646 13 Jan 2025, 17:38

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 10:47.195 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
22.004
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.016
And I prepare Tails for memory erasure tests 0.380
When I start a process allocating 128 MiB of memory with a known pattern 2.375
Then patterns cover at least 128 MiB in the guest's memory 3.300 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.044
Then I find very few patterns in the guest's memory after 3 seconds 5.886 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.771
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.409
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.930
And I prepare Tails for memory erasure tests 0.414
And I find very few patterns in the guest's memory 2.730 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.823
Then patterns cover at least 99% of the test FS size in the guest's memory 3.047 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.638
Then I find very few patterns in the guest's memory after 3 seconds 5.823 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.775
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.072
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.926
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.108
Then I find very few patterns in the guest's memory 2.886 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.426
Then patterns cover at least 75% of the test FS size in the guest's memory 2.821 
Pattern coverage: 86.343% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.276
Then I find very few patterns in the guest's memory after 3 seconds 5.603 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.283
And I read the content of the test FS 0.643
Then patterns cover at least 99% of the test FS size in the guest's memory 3.709 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.517
Then I find very few patterns in the guest's memory after 3 seconds 6.455 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.895
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.592
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.939
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.276
Then I find very few patterns in the guest's memory 3.060 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.843
Then patterns cover at least 99% of the test FS size in the guest's memory 3.375 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.806
Then I find very few patterns in the guest's memory after 3 seconds 5.289 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 4.502
And I read the content of the test FS 0.400
Then patterns cover at least 99% of the test FS size in the guest's memory 3.627 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.990
Then I find very few patterns in the guest's memory after 3 seconds 6.083 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.986
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.657
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.848
And I prepare Tails for memory erasure tests 0.382
When I fill a 128 MiB file with a known pattern on the root filesystem 15.546
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.639
Then patterns cover at least 128 MiB in the guest's memory 2.525 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.698 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:18.459
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 6:34.673
And I prepare Tails for memory erasure tests 0.514
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.091
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.166 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 3.549
After features/support/hooks.rb:100 0.011