Project Number Date
test_Tails_ISO_stable 5470 19 Feb 2025, 00:28

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 11:57.785 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
21.938
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.092
And I prepare Tails for memory erasure tests 0.439
When I start a process allocating 128 MiB of memory with a known pattern 1.237
Then patterns cover at least 128 MiB in the guest's memory 3.218 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.898
Then I find very few patterns in the guest's memory after 5 seconds 8.051 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 1.086
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.992
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.305
And I prepare Tails for memory erasure tests 0.398
And I find very few patterns in the guest's memory 2.857 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.033
Then patterns cover at least 99% of the test FS size in the guest's memory 3.368 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.607
Then I find very few patterns in the guest's memory after 3 seconds 8.422 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.047
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.493
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.101
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.194
Then I find very few patterns in the guest's memory 6.059 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.186
Then patterns cover at least 75% of the test FS size in the guest's memory 3.891 
Pattern coverage: 88.134% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.232
Then I find very few patterns in the guest's memory after 3 seconds 6.265 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 0.679
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.936 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.723
Then I find very few patterns in the guest's memory after 3 seconds 6.167 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 1.348
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.400
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.151
And I prepare Tails for memory erasure tests 0.435
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.889
Then I find very few patterns in the guest's memory 3.932 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.611
Then patterns cover at least 99% of the test FS size in the guest's memory 3.482 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.996
Then I find very few patterns in the guest's memory after 3 seconds 5.879 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 6.768
And I read the content of the test FS 0.572
Then patterns cover at least 99% of the test FS size in the guest's memory 3.517 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.264
Then I find very few patterns in the guest's memory after 3 seconds 5.896 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.141
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.918
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.261
And I prepare Tails for memory erasure tests 0.372
When I fill a 128 MiB file with a known pattern on the root filesystem 17.689
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.555
Then patterns cover at least 128 MiB in the guest's memory 4.167 
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 20.858 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:6.042
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:20.944
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.215
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.425 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.582
After features/support/hooks.rb:100 0.014