Project Number Date
test_Tails_ISO_21027-fix-interactive-debugging-context 5 19 Jun 2025, 21:01

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 14:9.592 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
33.891
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 13.104
And I prepare Tails for memory erasure tests 0.713
When I start a process allocating 128 MiB of memory with a known pattern 2.641
Then patterns cover at least 128 MiB in the guest's memory 3.593 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.217
Then I find very few patterns in the guest's memory after 5 seconds 13.621 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.907
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.189
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.019
Given I have started Tails from DVD without network and logged in 8.998
And I prepare Tails for memory erasure tests 0.626
And I find very few patterns in the guest's memory 8.726 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.245
Then patterns cover at least 99% of the test FS size in the guest's memory 3.464 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.405
Then I find very few patterns in the guest's memory after 3 seconds 5.720 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.943
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 15.184
And I prepare Tails for memory erasure tests 0.670
When I plug and mount a 128 MiB USB drive with a vfat filesystem 15.970
Then I find very few patterns in the guest's memory 2.934 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.587
Then patterns cover at least 75% of the test FS size in the guest's memory 10.235 
Pattern coverage: 89.757% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.636
Then I find very few patterns in the guest's memory after 3 seconds 6.300 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.272
And I read the content of the test FS 0.638
Then patterns cover at least 99% of the test FS size in the guest's memory 9.081 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.695
Then I find very few patterns in the guest's memory after 3 seconds 5.735 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.935
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:32.896
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 13.464
And I prepare Tails for memory erasure tests 0.619
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.622
Then I find very few patterns in the guest's memory 4.953 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.446
Then patterns cover at least 99% of the test FS size in the guest's memory 3.218 
Pattern coverage: 103.321% (94 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.060
Then I find very few patterns in the guest's memory after 3 seconds 13.189 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 1.404
And I read the content of the test FS 1.013
Then patterns cover at least 99% of the test FS size in the guest's memory 2.985 
Pattern coverage: 105.803% (96 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.805
Then I find very few patterns in the guest's memory after 3 seconds 11.112 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 2.340
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
57.613
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 8.894
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 17.225
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.059
Then patterns cover at least 128 MiB in the guest's memory 7.136 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.048
Then I find very few patterns in the guest's memory after 20 seconds 21.808 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 3.817
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:22.058
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 8:35.555
And I prepare Tails for memory erasure tests 0.916
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.433
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.135 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.672
After features/support/hooks.rb:100 0.014