Project Number Date
test_Tails_ISO_devel 3591 18 Nov 2024, 13:01

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 11:58.354 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
25.437
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.530
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 2.447
Then patterns cover at least 128 MiB in the guest's memory 5.868 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.291
Then I find very few patterns in the guest's memory after 3 seconds 6.862 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.115
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.804
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.194
And I prepare Tails for memory erasure tests 0.440
And I find very few patterns in the guest's memory 3.770 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.589
Then patterns cover at least 99% of the test FS size in the guest's memory 4.203 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.935
Then I find very few patterns in the guest's memory after 3 seconds 6.670 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.403
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.563
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.294
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.153
Then I find very few patterns in the guest's memory 5.021 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.255
Then patterns cover at least 75% of the test FS size in the guest's memory 4.435 
Pattern coverage: 87.746% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.808
Then I find very few patterns in the guest's memory after 3 seconds 6.976 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.950
And I read the content of the test FS 1.215
Then patterns cover at least 99% of the test FS size in the guest's memory 3.797 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.624
Then I find very few patterns in the guest's memory after 3 seconds 6.622 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.779
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.729
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.504
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.787
Then I find very few patterns in the guest's memory 2.996 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.348
Then patterns cover at least 99% of the test FS size in the guest's memory 3.777 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.788
Then I find very few patterns in the guest's memory after 3 seconds 8.917 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 9.273
And I read the content of the test FS 0.549
Then patterns cover at least 99% of the test FS size in the guest's memory 3.458 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.937
Then I find very few patterns in the guest's memory after 3 seconds 5.935 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.261
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.279
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.678
And I prepare Tails for memory erasure tests 0.509
When I fill a 128 MiB file with a known pattern on the root filesystem 17.202
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.018
Then patterns cover at least 128 MiB in the guest's memory 2.984 
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 20.873 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:55.539
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 7:10.343
And I prepare Tails for memory erasure tests 0.882
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.942
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.354 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.599
After features/support/hooks.rb:100 0.012