Project Number Date
test_Tails_ISO_stable 5294 26 Nov 2024, 21:21

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 11:44.289 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
22.825
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.691
And I prepare Tails for memory erasure tests 0.529
When I start a process allocating 128 MiB of memory with a known pattern 2.403
Then patterns cover at least 128 MiB in the guest's memory 3.481 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.575
Then I find very few patterns in the guest's memory after 3 seconds 6.143 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.282
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.338
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.053
And I prepare Tails for memory erasure tests 0.411
And I find very few patterns in the guest's memory 3.709 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.701
Then patterns cover at least 99% of the test FS size in the guest's memory 6.393 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.591
Then I find very few patterns in the guest's memory after 3 seconds 7.476 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.041
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.626
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 10.007
And I prepare Tails for memory erasure tests 0.604
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.567
Then I find very few patterns in the guest's memory 4.200 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.648
Then patterns cover at least 75% of the test FS size in the guest's memory 4.156 
Pattern coverage: 88.404% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.179
Then I find very few patterns in the guest's memory after 3 seconds 8.443 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.401
And I read the content of the test FS 2.278
Then patterns cover at least 99% of the test FS size in the guest's memory 5.123 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.901
Then I find very few patterns in the guest's memory after 3 seconds 8.112 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.880
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.151
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 8.537
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.432
Then I find very few patterns in the guest's memory 3.442 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.332
Then patterns cover at least 99% of the test FS size in the guest's memory 3.500 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.262
Then I find very few patterns in the guest's memory after 3 seconds 6.102 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 5.499
And I read the content of the test FS 0.638
Then patterns cover at least 99% of the test FS size in the guest's memory 3.501 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.356
Then I find very few patterns in the guest's memory after 3 seconds 6.130 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.654
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.338
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the root filesystem 17.022
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.847
Then patterns cover at least 128 MiB in the guest's memory 3.965 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.046
Then I find very few patterns in the guest's memory after 20 seconds 20.964 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.614
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.693
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 6:50.048
And I prepare Tails for memory erasure tests 0.978
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.275
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.378 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.660
After features/support/hooks.rb:100 0.011