Project Number Date
test_Tails_ISO_devel 3471 08 Aug 2024, 16:20

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 11:24.805 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
23.020
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.260
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 2.376
Then patterns cover at least 128 MiB in the guest's memory 4.412 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.158
Then I find very few patterns in the guest's memory after 3 seconds 6.385 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.988
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.237
And I prepare Tails for memory erasure tests 0.439
And I find very few patterns in the guest's memory 3.819 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.112
Then patterns cover at least 99% of the test FS size in the guest's memory 4.638 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 3.066
Then I find very few patterns in the guest's memory after 3 seconds 6.673 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 0.824
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.701
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.090
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.105
Then I find very few patterns in the guest's memory 3.191 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 7.124
Then patterns cover at least 75% of the test FS size in the guest's memory 3.936 
Pattern coverage: 86.359% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.147
Then I find very few patterns in the guest's memory after 3 seconds 6.111 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 1.162
And I read the content of the test FS 0.593
Then patterns cover at least 99% of the test FS size in the guest's memory 3.621 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.975
Then I find very few patterns in the guest's memory after 3 seconds 6.235 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.918
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.229
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.204
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.757
Then I find very few patterns in the guest's memory 2.914 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.794
Then patterns cover at least 99% of the test FS size in the guest's memory 3.543 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.044
Then I find very few patterns in the guest's memory after 3 seconds 5.798 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 4.504
And I read the content of the test FS 0.397
Then patterns cover at least 99% of the test FS size in the guest's memory 3.240 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.850
Then I find very few patterns in the guest's memory after 3 seconds 5.784 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.917
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.593
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.095
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the root filesystem 15.661
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.773
Then patterns cover at least 128 MiB in the guest's memory 2.807 
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 20.825 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.547
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.273
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 6:48.260
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.463
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.130 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.012