Project Number Date
test_Tails_ISO_20263-remote-shell-debug-logging 18 18 Mar 2025, 21:55

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 10:43.963 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
23.141
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 7.926
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 1.191
Then patterns cover at least 128 MiB in the guest's memory 3.777 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.754
Then I find very few patterns in the guest's memory after 5 seconds 8.055 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.028
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.666
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 8.187
And I prepare Tails for memory erasure tests 0.394
And I find very few patterns in the guest's memory 3.342 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.032
Then patterns cover at least 99% of the test FS size in the guest's memory 3.627 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.826
Then I find very few patterns in the guest's memory after 3 seconds 6.255 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 1.052
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.905
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 7.983
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.919
Then I find very few patterns in the guest's memory 4.309 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.416
Then patterns cover at least 75% of the test FS size in the guest's memory 4.396 
Pattern coverage: 86.656% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.255
Then I find very few patterns in the guest's memory after 3 seconds 6.525 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# read cache
When I mount the USB drive again 0.286
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 4.108 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.595
Then I find very few patterns in the guest's memory after 3 seconds 6.213 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 1.138
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.242
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 7.888
And I prepare Tails for memory erasure tests 0.417
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.552
Then I find very few patterns in the guest's memory 2.680 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.067
Then patterns cover at least 99% of the test FS size in the guest's memory 3.150 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.992
Then I find very few patterns in the guest's memory after 3 seconds 5.459 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 4.389
And I read the content of the test FS 0.442
Then patterns cover at least 99% of the test FS size in the guest's memory 3.026 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.734
Then I find very few patterns in the guest's memory after 3 seconds 5.441 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 1.841
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.261
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 7.977
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the root filesystem 16.620
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.838
Then patterns cover at least 128 MiB in the guest's memory 2.592 
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 20.801 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.511
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:5.746
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:21.973
And I prepare Tails for memory erasure tests 1.192
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.322
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.245 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.013