Project Number Date
test_Tails_ISO_stable 5134 02 Oct 2024, 20:01

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 11:18.508 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
25.257
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.955
And I prepare Tails for memory erasure tests 0.445
When I start a process allocating 128 MiB of memory with a known pattern 2.421
Then patterns cover at least 128 MiB in the guest's memory 4.440 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.603
Then I find very few patterns in the guest's memory after 3 seconds 6.391 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.808
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.890
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.237
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 3.304 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.914
Then patterns cover at least 99% of the test FS size in the guest's memory 3.601 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.930
Then I find very few patterns in the guest's memory after 3 seconds 6.440 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.921
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.539
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.119
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.028
Then I find very few patterns in the guest's memory 3.373 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.549
Then patterns cover at least 75% of the test FS size in the guest's memory 3.800 
Pattern coverage: 86.105% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.635
Then I find very few patterns in the guest's memory after 3 seconds 6.070 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 1.087
And I read the content of the test FS 0.598
Then patterns cover at least 99% of the test FS size in the guest's memory 3.516 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.929
Then I find very few patterns in the guest's memory after 3 seconds 6.382 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.618
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.408
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.133
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.823
Then I find very few patterns in the guest's memory 2.971 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.929
Then patterns cover at least 99% of the test FS size in the guest's memory 3.368 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.246
Then I find very few patterns in the guest's memory after 3 seconds 6.254 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 5.034
And I read the content of the test FS 0.610
Then patterns cover at least 99% of the test FS size in the guest's memory 3.930 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.889
Then I find very few patterns in the guest's memory after 3 seconds 5.810 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.734
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.731
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.043
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the root filesystem 18.482
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.748
Then patterns cover at least 128 MiB in the guest's memory 3.198 
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 20.783 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:32.681
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 6:49.634
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.212
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.417 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.577
After features/support/hooks.rb:100 0.013