Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 4 02 Oct 2024, 01:10

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 11:7.759 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
20.132
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.005
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 1.230
Then patterns cover at least 128 MiB in the guest's memory 3.381 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.131
Then I find very few patterns in the guest's memory after 3 seconds 5.988 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 0.883
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.484
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.791
And I prepare Tails for memory erasure tests 0.428
And I find very few patterns in the guest's memory 3.002 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.766
Then patterns cover at least 99% of the test FS size in the guest's memory 3.409 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.721
Then I find very few patterns in the guest's memory after 3 seconds 6.363 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.274
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.480
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.159
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.045
Then I find very few patterns in the guest's memory 3.464 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.447
Then patterns cover at least 75% of the test FS size in the guest's memory 4.382 
Pattern coverage: 84.892% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.625
Then I find very few patterns in the guest's memory after 3 seconds 6.716 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.288
And I read the content of the test FS 1.088
Then patterns cover at least 99% of the test FS size in the guest's memory 3.194 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.505
Then I find very few patterns in the guest's memory after 3 seconds 6.084 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.648
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.038
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.158
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.509
Then I find very few patterns in the guest's memory 2.816 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.791
Then patterns cover at least 99% of the test FS size in the guest's memory 3.004 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.000
Then I find very few patterns in the guest's memory after 3 seconds 5.481 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 5.516
And I read the content of the test FS 0.629
Then patterns cover at least 99% of the test FS size in the guest's memory 2.994 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.933
Then I find very few patterns in the guest's memory after 3 seconds 5.776 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.892
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.685
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.259
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 18.325
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.023
Then patterns cover at least 128 MiB in the guest's memory 2.834 
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 20.768 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.553
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:27.937
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 6:43.202
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.028
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.220 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.556
After features/support/hooks.rb:100 0.012