Project Number Date
test_Tails_ISO_devel 3825 20 May 2025, 22:01

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 11:12.916 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
23.751
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 8.010
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 1.522
Then patterns cover at least 128 MiB in the guest's memory 4.273 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.838
Then I find very few patterns in the guest's memory after 5 seconds 8.678 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.007
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.508
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 8.450
And I prepare Tails for memory erasure tests 0.422
And I find very few patterns in the guest's memory 3.760 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.010
Then patterns cover at least 99% of the test FS size in the guest's memory 4.143 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.475
Then I find very few patterns in the guest's memory after 3 seconds 6.246 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.839
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.146
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 9.063
And I prepare Tails for memory erasure tests 0.559
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.469
Then I find very few patterns in the guest's memory 4.480 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.400
Then patterns cover at least 75% of the test FS size in the guest's memory 4.891 
Pattern coverage: 87.525% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.051
Then I find very few patterns in the guest's memory after 3 seconds 7.595 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# read cache
When I mount the USB drive again 0.272
And I read the content of the test FS 3.074
Then patterns cover at least 99% of the test FS size in the guest's memory 4.028 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.520
Then I find very few patterns in the guest's memory after 3 seconds 6.739 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 1.422
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.188
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 8.286
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.545
Then I find very few patterns in the guest's memory 2.524 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.169 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.748
Then I find very few patterns in the guest's memory after 3 seconds 6.007 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 3.843
And I read the content of the test FS 0.575
Then patterns cover at least 99% of the test FS size in the guest's memory 3.476 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.850
Then I find very few patterns in the guest's memory after 3 seconds 6.060 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.395
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.508
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 8.228
And I prepare Tails for memory erasure tests 0.496
When I fill a 128 MiB file with a known pattern on the root filesystem 18.616
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.645
Then patterns cover at least 128 MiB in the guest's memory 3.598 
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 20.906 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.486
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.813
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 6:36.563
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.399
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.403 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.013