Project Number Date
test_Tails_ISO_feature-arti 106 04 Jul 2025, 17:26

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 11:47.727 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
26.171
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 10.673
And I prepare Tails for memory erasure tests 0.591
When I start a process allocating 128 MiB of memory with a known pattern 1.277
Then patterns cover at least 128 MiB in the guest's memory 3.278 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.344
Then I find very few patterns in the guest's memory after 5 seconds 10.006 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.919
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.292
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 9.493
And I prepare Tails for memory erasure tests 0.976
And I find very few patterns in the guest's memory 4.188 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.961
Then patterns cover at least 99% of the test FS size in the guest's memory 4.195 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.623
Then I find very few patterns in the guest's memory after 3 seconds 5.852 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:330 0.786
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.380
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 9.363
And I prepare Tails for memory erasure tests 0.655
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.458
Then I find very few patterns in the guest's memory 2.912 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.306
Then patterns cover at least 75% of the test FS size in the guest's memory 4.138 
Pattern coverage: 86.245% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.769
Then I find very few patterns in the guest's memory after 3 seconds 5.391 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
# read cache
When I mount the USB drive again 0.196
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 2.983 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.487
Then I find very few patterns in the guest's memory after 3 seconds 8.200 
Pattern coverage: 0.000% (0 MiB out of 860 MiB reference memory)
After features/support/hooks.rb:330 1.196
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.898
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.060
Given I have started Tails from DVD without network and logged in 8.539
And I prepare Tails for memory erasure tests 0.782
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.129
Then I find very few patterns in the guest's memory 2.448 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.849
Then patterns cover at least 99% of the test FS size in the guest's memory 3.839 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.047
Then I find very few patterns in the guest's memory after 3 seconds 5.309 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 4.202
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 5.061 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.675
Then I find very few patterns in the guest's memory after 3 seconds 5.529 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 1.500
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.273
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 8.003
And I prepare Tails for memory erasure tests 0.465
When I fill a 128 MiB file with a known pattern on the root filesystem 19.334
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.596
Then patterns cover at least 128 MiB in the guest's memory 3.989 
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 20.871 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 3.501
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:45.711
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 7:2.723
And I prepare Tails for memory erasure tests 0.390
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.394
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.190 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.638
After features/support/hooks.rb:100 0.037