Project Number Date
test_Tails_ISO_tca-misc-improvements 9 16 Apr 2025, 18:14

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 11:26.700 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
24.168
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.318
And I prepare Tails for memory erasure tests 0.436
When I start a process allocating 128 MiB of memory with a known pattern 1.184
Then patterns cover at least 128 MiB in the guest's memory 4.688 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.235
Then I find very few patterns in the guest's memory after 5 seconds 8.304 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.273
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.420
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 10.217
And I prepare Tails for memory erasure tests 0.586
And I find very few patterns in the guest's memory 3.146 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.661
Then patterns cover at least 99% of the test FS size in the guest's memory 3.837 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.413
Then I find very few patterns in the guest's memory after 3 seconds 6.557 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.817
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.353
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.083
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.240
Then I find very few patterns in the guest's memory 2.981 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.505
Then patterns cover at least 75% of the test FS size in the guest's memory 4.065 
Pattern coverage: 90.081% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.991
Then I find very few patterns in the guest's memory after 3 seconds 6.852 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
# read cache
When I mount the USB drive again 0.232
And I read the content of the test FS 0.971
Then patterns cover at least 99% of the test FS size in the guest's memory 4.671 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory after 3 seconds 6.838 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:330 0.815
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.824
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.735
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.438
Then I find very few patterns in the guest's memory 2.644 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.615
Then patterns cover at least 99% of the test FS size in the guest's memory 2.814 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.854
Then I find very few patterns in the guest's memory after 3 seconds 6.014 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 3.805
And I read the content of the test FS 0.606
Then patterns cover at least 99% of the test FS size in the guest's memory 3.695 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.305
Then I find very few patterns in the guest's memory after 3 seconds 5.864 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.272
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.975
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 13.207
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the root filesystem 15.493
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.082
Then patterns cover at least 128 MiB in the guest's memory 3.011 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.754 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.480
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.958
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:50.038
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.341
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.115 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.013