Project Number Date
test_Tails_ISO_21027-fix-interactive-debugging-context 12 27 Jun 2025, 21:31

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 15:6.834 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
31.938
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 15.150
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 1.181
Then patterns cover at least 128 MiB in the guest's memory 3.899 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.306
Then I find very few patterns in the guest's memory after 5 seconds 10.975 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 0.959
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
38.599
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 9.135
And I prepare Tails for memory erasure tests 3.948
And I find very few patterns in the guest's memory 6.461 
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 1.551
Then patterns cover at least 99% of the test FS size in the guest's memory 3.126 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.735
Then I find very few patterns in the guest's memory after 3 seconds 13.641 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.012
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.558
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 8.902
And I prepare Tails for memory erasure tests 2.480
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.851
Then I find very few patterns in the guest's memory 10.442 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.457
Then patterns cover at least 75% of the test FS size in the guest's memory 3.909 
Pattern coverage: 87.476% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.218
Then I find very few patterns in the guest's memory after 3 seconds 13.667 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 0.750
And I read the content of the test FS 0.867
Then patterns cover at least 99% of the test FS size in the guest's memory 3.067 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.413
Then I find very few patterns in the guest's memory after 3 seconds 11.530 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 2.201
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:42.966
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 11.836
And I prepare Tails for memory erasure tests 3.543
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.021
Then I find very few patterns in the guest's memory 10.788 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.946
Then patterns cover at least 99% of the test FS size in the guest's memory 4.019 
Pattern coverage: 101.493% (92 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.046
Then I find very few patterns in the guest's memory after 3 seconds 15.755 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 1.066
And I read the content of the test FS 0.520
Then patterns cover at least 99% of the test FS size in the guest's memory 4.257 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.782
Then I find very few patterns in the guest's memory after 3 seconds 12.382 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 1.194
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.765
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 14.390
And I prepare Tails for memory erasure tests 0.607
When I fill a 128 MiB file with a known pattern on the root filesystem 19.794
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.973
Then patterns cover at least 128 MiB in the guest's memory 3.331 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.651 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 3.708
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:58.004
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 9:3.176
And I prepare Tails for memory erasure tests 1.646
When I fill a 128 MiB file with a known pattern on the persistent filesystem 32.020
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.149 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 3.632
After features/support/hooks.rb:100 0.018