Project Number Date
test_Tails_ISO_20979-pdfarranger 8 03 Jun 2025, 03:30

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 11:25.794 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
24.183
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.831
And I prepare Tails for memory erasure tests 0.441
When I start a process allocating 128 MiB of memory with a known pattern 1.178
Then patterns cover at least 128 MiB in the guest's memory 4.224 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.723
Then I find very few patterns in the guest's memory after 5 seconds 8.784 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.744
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.347
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 8.456
And I prepare Tails for memory erasure tests 0.432
And I find very few patterns in the guest's memory 3.636 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.464
Then patterns cover at least 99% of the test FS size in the guest's memory 4.082 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.343
Then I find very few patterns in the guest's memory after 3 seconds 7.930 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.748
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.415
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 8.257
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.012
Then I find very few patterns in the guest's memory 3.976 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.330
Then patterns cover at least 75% of the test FS size in the guest's memory 4.210 
Pattern coverage: 85.446% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.944
Then I find very few patterns in the guest's memory after 3 seconds 7.164 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.755
Then patterns cover at least 99% of the test FS size in the guest's memory 4.141 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.317
Then I find very few patterns in the guest's memory after 3 seconds 6.622 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.858
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.347
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 8.154
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.967
Then I find very few patterns in the guest's memory 2.814 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.873
Then patterns cover at least 99% of the test FS size in the guest's memory 3.341 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.711
Then I find very few patterns in the guest's memory after 3 seconds 6.206 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 4.483
And I read the content of the test FS 0.757
Then patterns cover at least 99% of the test FS size in the guest's memory 3.155 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 5.946 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.858
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.221
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 8.190
And I prepare Tails for memory erasure tests 0.483
When I fill a 128 MiB file with a known pattern on the root filesystem 17.413
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.884
Then patterns cover at least 128 MiB in the guest's memory 3.316 
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 20.918 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.539
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.279
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:48.815
And I prepare Tails for memory erasure tests 0.614
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.516
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.319 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:330 3.546
After features/support/hooks.rb:100 0.032