Project Number Date
test_Tails_ISO_stable 5266 15 Nov 2024, 09:00

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 12:16.298 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
21.489
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.245
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 2.305
Then patterns cover at least 128 MiB in the guest's memory 3.493 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.356
Then I find very few patterns in the guest's memory after 3 seconds 5.658 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.811
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.883
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.154
And I prepare Tails for memory erasure tests 0.410
And I find very few patterns in the guest's memory 3.148 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.044
Then patterns cover at least 99% of the test FS size in the guest's memory 4.379 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.845
Then I find very few patterns in the guest's memory after 3 seconds 6.900 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 2.295
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.097
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.244
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.345
Then I find very few patterns in the guest's memory 3.870 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.039
Then patterns cover at least 75% of the test FS size in the guest's memory 4.123 
Pattern coverage: 89.166% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.589
Then I find very few patterns in the guest's memory after 3 seconds 6.593 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.606
And I read the content of the test FS 0.744
Then patterns cover at least 99% of the test FS size in the guest's memory 4.061 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.601
Then I find very few patterns in the guest's memory after 3 seconds 6.823 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.353
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.041
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.271
And I prepare Tails for memory erasure tests 0.399
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.971
Then I find very few patterns in the guest's memory 2.955 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.323
Then patterns cover at least 99% of the test FS size in the guest's memory 3.544 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.290
Then I find very few patterns in the guest's memory after 3 seconds 6.056 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 6.328
And I read the content of the test FS 0.412
Then patterns cover at least 99% of the test FS size in the guest's memory 3.466 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.020
Then I find very few patterns in the guest's memory after 3 seconds 6.001 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.967
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.929
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.558
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the root filesystem 18.949
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.001
Then patterns cover at least 128 MiB in the guest's memory 3.212 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.754 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:23.857
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:38.852
And I prepare Tails for memory erasure tests 0.780
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.078
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.132 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.483
After features/support/hooks.rb:100 0.013