Project Number Date
test_Tails_ISO_stable 4942 15 Jul 2024, 13:31

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 12:36.120 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
33.994
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.987
And I prepare Tails for memory erasure tests 0.616
When I start a process allocating 128 MiB of memory with a known pattern 2.506
Then patterns cover at least 128 MiB in the guest's memory 9.432 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.050
Then I find very few patterns in the guest's memory 9.401 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.551
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.922
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 25.620
And I prepare Tails for memory erasure tests 0.468
And I find very few patterns in the guest's memory 10.874 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.128
Then patterns cover at least 99% of the test FS size in the guest's memory 8.905 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.788
Then I find very few patterns in the guest's memory 6.135 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.206
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.311
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.139
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.594
Then I find very few patterns in the guest's memory 4.527 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.710
Then patterns cover at least 86% of the test FS size in the guest's memory 4.219 
Pattern coverage: 91.891% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.570
Then I find very few patterns in the guest's memory 4.672 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.274
And I read the content of the test FS 2.631
Then patterns cover at least 99% of the test FS size in the guest's memory 4.382 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.481
Then I find very few patterns in the guest's memory 4.675 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 1.280
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.789
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.412
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.446
Then I find very few patterns in the guest's memory 4.351 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.263
Then patterns cover at least 99% of the test FS size in the guest's memory 3.744 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.549
Then I find very few patterns in the guest's memory 4.253 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 5.386
And I read the content of the test FS 1.055
Then patterns cover at least 99% of the test FS size in the guest's memory 3.992 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 4.781
Then I find very few patterns in the guest's memory 4.061 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.047
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.918
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.472
And I prepare Tails for memory erasure tests 0.426
When I fill a 128 MiB file with a known pattern on the root filesystem 17.868
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.661
Then patterns cover at least 128 MiB in the guest's memory 3.343 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.020
And I wait 20 seconds 20.014 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.111 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.607
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:58.184
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 7:14.317
And I prepare Tails for memory erasure tests 0.467
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.212
When I trigger shutdown 0.013
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.153 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.560
After features/support/hooks.rb:100 0.016