Project Number Date
test_Tails_ISO_stable 5365 03 Jan 2025, 12:58

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 10:55.926 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
21.335
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.803
And I prepare Tails for memory erasure tests 0.383
When I start a process allocating 128 MiB of memory with a known pattern 2.380
Then patterns cover at least 128 MiB in the guest's memory 3.188 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.709
Then I find very few patterns in the guest's memory after 3 seconds 5.870 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.918
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.648
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.780
And I prepare Tails for memory erasure tests 0.428
And I find very few patterns in the guest's memory 2.431 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.404
Then patterns cover at least 99% of the test FS size in the guest's memory 3.585 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.877
Then I find very few patterns in the guest's memory after 3 seconds 6.140 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.827
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.348
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.817
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.287
Then I find very few patterns in the guest's memory 2.831 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.737
Then patterns cover at least 75% of the test FS size in the guest's memory 3.207 
Pattern coverage: 88.018% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.829
Then I find very few patterns in the guest's memory after 3 seconds 6.220 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.240
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 3.937 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.599
Then I find very few patterns in the guest's memory after 3 seconds 6.693 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 4.278
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.261
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.539
And I prepare Tails for memory erasure tests 0.508
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.462
Then I find very few patterns in the guest's memory 2.404 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.076
Then patterns cover at least 99% of the test FS size in the guest's memory 2.696 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.903
Then I find very few patterns in the guest's memory after 3 seconds 5.369 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 6.103
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 2.769 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.719
Then I find very few patterns in the guest's memory after 3 seconds 5.255 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 0.870
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.877
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.973
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 19.218
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.987
Then patterns cover at least 128 MiB in the guest's memory 2.510 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.739 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.455
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 6:31.894
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.837
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.240 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.011