Project Number Date
test_Tails_ISO_stable 4726 18 Mar 2024, 18:50

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 9:42.414 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
18.042
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.288
And I prepare Tails for memory erasure tests 0.403
When I start a process allocating 128 MiB of memory with a known pattern 1.238
Then patterns cover at least 128 MiB in the guest's memory 3.792 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.833
Then I find very few patterns in the guest's memory 3.486 
Pattern coverage: 0.000% (0 MiB out of 936 MiB reference memory)
After features/support/hooks.rb:291 0.784
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
21.333
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.127
And I prepare Tails for memory erasure tests 0.411
And I find very few patterns in the guest's memory 3.893 
Pattern coverage: 0.000% (0 MiB out of 946 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.546
Then patterns cover at least 99% of the test FS size in the guest's memory 3.108 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.423
Then I find very few patterns in the guest's memory 3.822 
Pattern coverage: 0.000% (0 MiB out of 946 MiB reference memory)
After features/support/hooks.rb:291 1.440
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
53.378
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.218
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.796
Then I find very few patterns in the guest's memory 4.082 
Pattern coverage: 0.000% (0 MiB out of 941 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.490
Then patterns cover at least 86% of the test FS size in the guest's memory 4.940 
Pattern coverage: 98.978% (126 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.220
Then I find very few patterns in the guest's memory 4.997 
Pattern coverage: 0.000% (0 MiB out of 941 MiB reference memory)
# read cache
When I mount the USB drive again 0.248
And I read the content of the test FS 2.226
Then patterns cover at least 99% of the test FS size in the guest's memory 4.579 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.294
Then I find very few patterns in the guest's memory 8.794 
Pattern coverage: 0.000% (0 MiB out of 941 MiB reference memory)
After features/support/hooks.rb:291 0.868
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:3.159
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.278
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.203
Then I find very few patterns in the guest's memory 3.487 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.519
Then patterns cover at least 99% of the test FS size in the guest's memory 2.807 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.879
Then I find very few patterns in the guest's memory 3.309 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
# read cache
When I mount the USB drive again 4.171
And I read the content of the test FS 0.374
Then patterns cover at least 99% of the test FS size in the guest's memory 2.555 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory 3.643 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
After features/support/hooks.rb:291 0.664
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.967
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.268
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the root filesystem 13.908
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.335
Then patterns cover at least 128 MiB in the guest's memory 3.101 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
And I wait 20 seconds 20.013 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.933 
Pattern coverage: 0.000% (0 MiB out of 957 MiB reference memory)
After features/support/hooks.rb:291 3.554
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:17.533
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:32.419
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.328
When I trigger shutdown 0.010
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.295 
Pattern coverage: 0.000% (0 MiB out of 927 MiB reference memory)
After features/support/hooks.rb:291 3.519
After features/support/hooks.rb:75 0.010