Project Number Date
test_Tails_ISO_devel 3663 27 Jan 2025, 17:52

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 11:13.531 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
22.377
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.052
And I prepare Tails for memory erasure tests 0.406
When I start a process allocating 128 MiB of memory with a known pattern 2.365
Then patterns cover at least 128 MiB in the guest's memory 3.308 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.442
Then I find very few patterns in the guest's memory after 5 seconds 7.801 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.912
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.630
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 0.441
And I find very few patterns in the guest's memory 2.872 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 8.111
Then patterns cover at least 99% of the test FS size in the guest's memory 3.410 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.713
Then I find very few patterns in the guest's memory after 3 seconds 5.989 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.548
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.917
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.704
And I prepare Tails for memory erasure tests 0.769
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.049
Then I find very few patterns in the guest's memory 3.766 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.838
Then patterns cover at least 75% of the test FS size in the guest's memory 4.173 
Pattern coverage: 90.749% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.544
Then I find very few patterns in the guest's memory after 3 seconds 7.094 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.264
And I read the content of the test FS 0.995
Then patterns cover at least 99% of the test FS size in the guest's memory 4.060 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.126
Then I find very few patterns in the guest's memory after 3 seconds 6.529 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.059
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.348
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.943
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.631
Then I find very few patterns in the guest's memory 2.441 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.747
Then patterns cover at least 99% of the test FS size in the guest's memory 2.791 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.059
Then I find very few patterns in the guest's memory after 3 seconds 5.476 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 7.784
And I read the content of the test FS 0.395
Then patterns cover at least 99% of the test FS size in the guest's memory 2.826 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.631
Then I find very few patterns in the guest's memory after 3 seconds 5.196 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.819
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.759
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.002
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 15.975
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.000
Then patterns cover at least 128 MiB in the guest's memory 2.503 
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 20.842 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.492
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.498
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 6:34.962
And I prepare Tails for memory erasure tests 0.703
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.612
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.206 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.476
After features/support/hooks.rb:100 0.011