Project Number Date
test_Tails_ISO_improve-cmd-logging 6 20 Jul 2025, 14:54

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 19:12.895 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
42.717
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 9.306
And I prepare Tails for memory erasure tests 0.465
When I start a process allocating 128 MiB of memory with a known pattern 1.278
Then patterns cover at least 128 MiB in the guest's memory 13.582 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.199
Then I find very few patterns in the guest's memory after 5 seconds 17.885 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.237
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.110
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.836
And I prepare Tails for memory erasure tests 0.592
And I find very few patterns in the guest's memory 12.492 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.349
Then patterns cover at least 99% of the test FS size in the guest's memory 25.170 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.384
Then I find very few patterns in the guest's memory after 3 seconds 31.284 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 1.095
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
3:22.140
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 8.795
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.583
Then I find very few patterns in the guest's memory 25.166 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.268
Then patterns cover at least 75% of the test FS size in the guest's memory 37.902 
Pattern coverage: 86.233% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.791
Then I find very few patterns in the guest's memory after 3 seconds 34.381 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 0.291
And I read the content of the test FS 0.680
Then patterns cover at least 99% of the test FS size in the guest's memory 52.818 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.354
Then I find very few patterns in the guest's memory after 3 seconds 26.668 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.080
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:35.983
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 10.836
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 47.960
Then I find very few patterns in the guest's memory 25.920 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.092
Then patterns cover at least 99% of the test FS size in the guest's memory 11.540 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.709
Then I find very few patterns in the guest's memory after 3 seconds 11.520 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 4.160
And I read the content of the test FS 0.582
Then patterns cover at least 99% of the test FS size in the guest's memory 13.618 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.551
Then I find very few patterns in the guest's memory after 3 seconds 24.002 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.793
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.687
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 8.838
And I prepare Tails for memory erasure tests 2.387
When I fill a 128 MiB file with a known pattern on the root filesystem 16.412
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.522
Then patterns cover at least 128 MiB in the guest's memory 9.625 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.039
Then I find very few patterns in the guest's memory after 20 seconds 21.860 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 3.546
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
10:10.255
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 9:18.863
And I prepare Tails for memory erasure tests 0.673
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.723
When I trigger shutdown 0.051
Then I find very few patterns in the guest's memory after 20 seconds 24.944 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.669
After features/support/hooks.rb:100 0.011