Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 16 13 Oct 2024, 00:57

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 10:31.051 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
19.859
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.742
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 1.211
Then patterns cover at least 128 MiB in the guest's memory 3.257 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.503
Then I find very few patterns in the guest's memory after 3 seconds 5.743 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.887
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.172
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.739
And I prepare Tails for memory erasure tests 0.394
And I find very few patterns in the guest's memory 3.364 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.864
Then patterns cover at least 99% of the test FS size in the guest's memory 3.150 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.859
Then I find very few patterns in the guest's memory after 3 seconds 5.800 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.348
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.412
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.750
And I prepare Tails for memory erasure tests 0.376
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.910
Then I find very few patterns in the guest's memory 2.645 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.578
Then patterns cover at least 75% of the test FS size in the guest's memory 3.847 
Pattern coverage: 85.293% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.303
Then I find very few patterns in the guest's memory after 3 seconds 5.852 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.387
And I read the content of the test FS 0.488
Then patterns cover at least 99% of the test FS size in the guest's memory 3.135 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.508
Then I find very few patterns in the guest's memory after 3 seconds 5.627 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.216
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.320
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.945
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.694
Then I find very few patterns in the guest's memory 2.259 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.687
Then patterns cover at least 99% of the test FS size in the guest's memory 2.945 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.865
Then I find very few patterns in the guest's memory after 3 seconds 5.258 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 5.156
And I read the content of the test FS 0.371
Then patterns cover at least 99% of the test FS size in the guest's memory 2.812 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.672
Then I find very few patterns in the guest's memory after 3 seconds 5.244 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.869
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.958
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.793
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the root filesystem 14.435
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.963
Then patterns cover at least 128 MiB in the guest's memory 2.547 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.817 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.501
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:4.328
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 6:21.302
And I prepare Tails for memory erasure tests 0.553
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.373
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.086 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.019