Project Number Date
test_Tails_ISO_stable 4730 20 Mar 2024, 12:06

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 10:3.873 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
21.786
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.049
And I prepare Tails for memory erasure tests 0.644
When I start a process allocating 128 MiB of memory with a known pattern 2.402
Then patterns cover at least 128 MiB in the guest's memory 4.302 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.384
Then I find very few patterns in the guest's memory 5.003 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:291 0.715
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
25.911
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.091
And I prepare Tails for memory erasure tests 0.735
And I find very few patterns in the guest's memory 5.458 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.686
Then patterns cover at least 99% of the test FS size in the guest's memory 4.665 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.707
Then I find very few patterns in the guest's memory 4.565 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:291 1.645
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.055
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.687
And I prepare Tails for memory erasure tests 0.754
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.540
Then I find very few patterns in the guest's memory 5.739 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.672
Then patterns cover at least 86% of the test FS size in the guest's memory 4.437 
Pattern coverage: 92.601% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.212
Then I find very few patterns in the guest's memory 4.647 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.285
And I read the content of the test FS 0.474
Then patterns cover at least 99% of the test FS size in the guest's memory 4.072 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.508
Then I find very few patterns in the guest's memory 5.021 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:291 1.435
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:7.332
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.146
And I prepare Tails for memory erasure tests 0.616
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.485
Then I find very few patterns in the guest's memory 4.049 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.002
Then patterns cover at least 99% of the test FS size in the guest's memory 6.482 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.763
Then I find very few patterns in the guest's memory 4.443 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 6.059
And I read the content of the test FS 0.428
Then patterns cover at least 99% of the test FS size in the guest's memory 3.366 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory 4.029 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:291 0.819
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.198
Before features/support/hooks.rb:245 0.004
Given I have started Tails from DVD without network and logged in 8.495
And I prepare Tails for memory erasure tests 0.797
When I fill a 128 MiB file with a known pattern on the root filesystem 13.580
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.094
Then patterns cover at least 128 MiB in the guest's memory 3.337 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
And I wait 20 seconds 20.017 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.863 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:291 3.533
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:31.589
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 5:47.071
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.811
When I trigger shutdown 0.010
And I wait 20 seconds 20.015 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.217 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:291 3.513
After features/support/hooks.rb:75 0.014