Project Number Date
test_Tails_ISO_devel 3662 26 Jan 2025, 17:43

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 11:51.098 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
24.703
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.241
And I prepare Tails for memory erasure tests 0.385
When I start a process allocating 128 MiB of memory with a known pattern 2.377
Then patterns cover at least 128 MiB in the guest's memory 4.148 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.683
Then I find very few patterns in the guest's memory after 5 seconds 7.868 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.847
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.217
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.096
And I prepare Tails for memory erasure tests 0.413
And I find very few patterns in the guest's memory 2.731 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.574
Then patterns cover at least 99% of the test FS size in the guest's memory 3.178 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.621
Then I find very few patterns in the guest's memory after 3 seconds 6.602 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.866
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.631
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.226
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.320
Then I find very few patterns in the guest's memory 4.273 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.609
Then patterns cover at least 75% of the test FS size in the guest's memory 4.363 
Pattern coverage: 90.899% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.674
Then I find very few patterns in the guest's memory after 3 seconds 6.637 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.522
And I read the content of the test FS 1.014
Then patterns cover at least 99% of the test FS size in the guest's memory 3.896 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.055
Then I find very few patterns in the guest's memory after 3 seconds 6.577 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.831
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.674
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.972
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.846
Then I find very few patterns in the guest's memory 2.997 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.899
Then patterns cover at least 99% of the test FS size in the guest's memory 6.810 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.880
Then I find very few patterns in the guest's memory after 3 seconds 5.419 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 7.802
And I read the content of the test FS 0.422
Then patterns cover at least 99% of the test FS size in the guest's memory 3.560 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 5.596
Then I find very few patterns in the guest's memory after 3 seconds 6.084 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.971
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.693
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.761
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the root filesystem 17.410
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.043
Then patterns cover at least 128 MiB in the guest's memory 2.888 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 22.157 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.469
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.177
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:1.984
And I prepare Tails for memory erasure tests 0.666
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.401
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.111 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 3.483
After features/support/hooks.rb:100 0.011