Project Number Date
test_Tails_ISO_stable 5065 03 Sep 2024, 12:43

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 12:23.757 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
27.604
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.559
And I prepare Tails for memory erasure tests 0.475
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 3.808 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 6.313
Then I find very few patterns in the guest's memory after 3 seconds 6.071 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 2.081
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.561
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.841
And I prepare Tails for memory erasure tests 0.454
And I find very few patterns in the guest's memory 4.055 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 6.257
Then patterns cover at least 99% of the test FS size in the guest's memory 4.298 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.955
Then I find very few patterns in the guest's memory after 3 seconds 6.697 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 1.115
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.129
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.332
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.295
Then I find very few patterns in the guest's memory 3.837 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.240
Then patterns cover at least 75% of the test FS size in the guest's memory 4.224 
Pattern coverage: 90.283% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.929
Then I find very few patterns in the guest's memory after 3 seconds 5.811 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.245
And I read the content of the test FS 0.665
Then patterns cover at least 99% of the test FS size in the guest's memory 3.316 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.997
Then I find very few patterns in the guest's memory after 3 seconds 5.807 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.221
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.532
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.139
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.456
Then I find very few patterns in the guest's memory 4.036 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.969
Then patterns cover at least 99% of the test FS size in the guest's memory 3.057 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.525
Then I find very few patterns in the guest's memory after 3 seconds 5.965 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 5.840
And I read the content of the test FS 0.515
Then patterns cover at least 99% of the test FS size in the guest's memory 3.611 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.601
Then I find very few patterns in the guest's memory after 3 seconds 6.329 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 2.023
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.623
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.695
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 15.581
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.151
Then patterns cover at least 128 MiB in the guest's memory 2.990 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.751 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 3.555
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:20.306
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 7:31.287
And I prepare Tails for memory erasure tests 0.515
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.112
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.378 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.791
After features/support/hooks.rb:100 0.011