Project Number Date
test_Tails_ISO_stable 5194 17 Oct 2024, 19:56

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 12:24.550 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
29.411
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.215
And I prepare Tails for memory erasure tests 0.486
When I start a process allocating 128 MiB of memory with a known pattern 3.782
Then patterns cover at least 128 MiB in the guest's memory 8.400 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.477
Then I find very few patterns in the guest's memory after 3 seconds 7.049 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.215
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.243
And I prepare Tails for memory erasure tests 0.497
And I find very few patterns in the guest's memory 4.515 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.881
Then patterns cover at least 99% of the test FS size in the guest's memory 6.354 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.019
Then I find very few patterns in the guest's memory after 3 seconds 6.704 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 1.066
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.841
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.544
And I prepare Tails for memory erasure tests 0.503
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.358
Then I find very few patterns in the guest's memory 3.922 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.133
Then patterns cover at least 75% of the test FS size in the guest's memory 4.005 
Pattern coverage: 90.115% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.535
Then I find very few patterns in the guest's memory after 3 seconds 6.870 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.249
And I read the content of the test FS 0.724
Then patterns cover at least 99% of the test FS size in the guest's memory 4.070 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.313
Then I find very few patterns in the guest's memory after 3 seconds 6.610 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 1.609
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.672
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.308
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.611
Then I find very few patterns in the guest's memory 2.570 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.748
Then patterns cover at least 99% of the test FS size in the guest's memory 2.939 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.888
Then I find very few patterns in the guest's memory after 3 seconds 5.862 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 6.529
And I read the content of the test FS 0.532
Then patterns cover at least 99% of the test FS size in the guest's memory 3.524 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.611
Then I find very few patterns in the guest's memory after 3 seconds 6.150 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.292
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.647
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.038
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the root filesystem 18.683
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.958
Then patterns cover at least 128 MiB in the guest's memory 3.575 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.916 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.560
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:18.761
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 7:33.820
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.116
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.366 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 3.533
After features/support/hooks.rb:100 0.017