Project Number Date
test_Tails_ISO_devel 3477 13 Aug 2024, 12:47

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 11:45.340 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
23.527
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.049
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 4.237
Then patterns cover at least 128 MiB in the guest's memory 3.535 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.360
Then I find very few patterns in the guest's memory after 3 seconds 5.920 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.792
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.909
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.183
And I prepare Tails for memory erasure tests 0.423
And I find very few patterns in the guest's memory 3.028 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.323
Then patterns cover at least 99% of the test FS size in the guest's memory 3.381 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.793
Then I find very few patterns in the guest's memory after 3 seconds 6.775 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.786
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.894
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.303
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.057
Then I find very few patterns in the guest's memory 3.341 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.278
Then patterns cover at least 75% of the test FS size in the guest's memory 4.459 
Pattern coverage: 90.449% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.803
Then I find very few patterns in the guest's memory after 3 seconds 6.725 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.837
And I read the content of the test FS 0.994
Then patterns cover at least 99% of the test FS size in the guest's memory 4.001 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.956
Then I find very few patterns in the guest's memory after 3 seconds 6.745 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.107
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.614
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.112
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.851
Then I find very few patterns in the guest's memory 2.872 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.733
Then patterns cover at least 99% of the test FS size in the guest's memory 3.146 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.828
Then I find very few patterns in the guest's memory after 3 seconds 6.064 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 6.269
And I read the content of the test FS 2.169
Then patterns cover at least 99% of the test FS size in the guest's memory 3.499 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.764
Then I find very few patterns in the guest's memory after 3 seconds 5.860 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.849
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.542
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.919
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the root filesystem 15.847
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.331
Then patterns cover at least 128 MiB in the guest's memory 3.025 
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 20.994 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.547
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:42.851
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 6:58.943
And I prepare Tails for memory erasure tests 0.475
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.039
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.378 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.029