Project Number Date
test_Tails_ISO_stable 4845 16 May 2024, 17:35

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 10:56.281 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
20.163
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 7.990
And I prepare Tails for memory erasure tests 0.470
When I start a process allocating 128 MiB of memory with a known pattern 2.429
Then patterns cover at least 128 MiB in the guest's memory 4.087 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.168
Then I find very few patterns in the guest's memory 4.016 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:305 0.768
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
27.594
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.116
And I prepare Tails for memory erasure tests 0.515
And I find very few patterns in the guest's memory 4.485 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 5.723
Then patterns cover at least 99% of the test FS size in the guest's memory 3.917 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.743
Then I find very few patterns in the guest's memory 4.093 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:305 1.310
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
48.789
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.974
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.111
Then I find very few patterns in the guest's memory 4.816 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.878
Then patterns cover at least 86% of the test FS size in the guest's memory 4.014 
Pattern coverage: 92.347% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.765
Then I find very few patterns in the guest's memory 4.313 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.415
And I read the content of the test FS 0.921
Then patterns cover at least 99% of the test FS size in the guest's memory 3.948 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.733
Then I find very few patterns in the guest's memory 4.373 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:305 1.403
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:14.376
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.203
And I prepare Tails for memory erasure tests 0.521
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.080
Then I find very few patterns in the guest's memory 3.738 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.137
Then patterns cover at least 99% of the test FS size in the guest's memory 3.187 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.839
Then I find very few patterns in the guest's memory 3.390 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 5.141
And I read the content of the test FS 0.600
Then patterns cover at least 99% of the test FS size in the guest's memory 3.254 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.628
Then I find very few patterns in the guest's memory 3.653 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:305 0.802
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
50.842
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.184
And I prepare Tails for memory erasure tests 0.524
When I fill a 128 MiB file with a known pattern on the root filesystem 15.714
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.788
Then patterns cover at least 128 MiB in the guest's memory 2.803 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
And I wait 20 seconds 20.007 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.808 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:305 3.491
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:14.514
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:29.366
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.407
When I trigger shutdown 0.010
And I wait 20 seconds 20.013 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.311 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:305 3.554
After features/support/hooks.rb:89 0.011