Project Number Date
test_Tails_ISO_devel 3860 10 Jun 2025, 13:40

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 11:10.304 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
24.256
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 8.064
And I prepare Tails for memory erasure tests 0.482
When I start a process allocating 128 MiB of memory with a known pattern 2.376
Then patterns cover at least 128 MiB in the guest's memory 3.928 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.755
Then I find very few patterns in the guest's memory after 5 seconds 8.648 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.658
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.500
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 8.074
And I prepare Tails for memory erasure tests 0.440
And I find very few patterns in the guest's memory 3.348 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.225
Then patterns cover at least 99% of the test FS size in the guest's memory 3.569 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.537
Then I find very few patterns in the guest's memory after 3 seconds 6.305 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.601
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.210
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 8.000
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.974
Then I find very few patterns in the guest's memory 3.200 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.754
Then patterns cover at least 75% of the test FS size in the guest's memory 3.868 
Pattern coverage: 88.529% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.128
Then I find very few patterns in the guest's memory after 3 seconds 6.541 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 0.272
And I read the content of the test FS 0.570
Then patterns cover at least 99% of the test FS size in the guest's memory 3.652 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.543
Then I find very few patterns in the guest's memory after 3 seconds 6.299 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.722
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.651
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 8.101
And I prepare Tails for memory erasure tests 0.392
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.327
Then I find very few patterns in the guest's memory 3.361 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.780
Then patterns cover at least 99% of the test FS size in the guest's memory 3.625 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.668
Then I find very few patterns in the guest's memory after 3 seconds 5.867 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 4.079
And I read the content of the test FS 1.540
Then patterns cover at least 99% of the test FS size in the guest's memory 3.339 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.882
Then I find very few patterns in the guest's memory after 3 seconds 5.685 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.629
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 8.093
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the root filesystem 17.561
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.861
Then patterns cover at least 128 MiB in the guest's memory 2.858 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.773 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.055
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:43.008
And I prepare Tails for memory erasure tests 0.411
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.365
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.255 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.561
After features/support/hooks.rb:100 0.014