Project Number Date
test_Tails_ISO_stable 5562 09 Apr 2025, 13:50

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 11:19.141 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
22.512
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 8.239
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 1.186
Then patterns cover at least 128 MiB in the guest's memory 3.603 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.852
Then I find very few patterns in the guest's memory after 5 seconds 8.228 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.777
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.353
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 8.260
And I prepare Tails for memory erasure tests 0.514
And I find very few patterns in the guest's memory 2.903 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.946
Then patterns cover at least 99% of the test FS size in the guest's memory 3.360 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.508
Then I find very few patterns in the guest's memory after 3 seconds 6.859 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.812
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.222
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 8.181
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.098
Then I find very few patterns in the guest's memory 3.286 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.566
Then patterns cover at least 75% of the test FS size in the guest's memory 3.701 
Pattern coverage: 88.967% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.587
Then I find very few patterns in the guest's memory after 3 seconds 6.283 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.240
And I read the content of the test FS 0.586
Then patterns cover at least 99% of the test FS size in the guest's memory 3.523 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.464
Then I find very few patterns in the guest's memory after 3 seconds 6.259 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.684
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.178
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 8.282
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.235
Then I find very few patterns in the guest's memory 2.551 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.863
Then patterns cover at least 99% of the test FS size in the guest's memory 3.130 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.720
Then I find very few patterns in the guest's memory after 3 seconds 5.583 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.228
And I read the content of the test FS 0.584
Then patterns cover at least 99% of the test FS size in the guest's memory 2.875 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.219 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.512
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.371
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 9.769
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the root filesystem 16.856
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 8.887
Then patterns cover at least 128 MiB in the guest's memory 2.523 
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 20.857 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 3.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:33.502
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 6:46.697
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.120
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.259 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.516
After features/support/hooks.rb:100 0.013