Project Number Date
test_Tails_ISO_stable 5239 31 Oct 2024, 09:00

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 11:34.299 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
33.932
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 13.539
And I prepare Tails for memory erasure tests 0.811
When I start a process allocating 128 MiB of memory with a known pattern 8.914
Then patterns cover at least 128 MiB in the guest's memory 3.357 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.282
Then I find very few patterns in the guest's memory after 3 seconds 6.028 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:326 0.844
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.503
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.286
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 2.909 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.628
Then patterns cover at least 99% of the test FS size in the guest's memory 3.159 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.653
Then I find very few patterns in the guest's memory after 3 seconds 6.402 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.189
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.960
And I prepare Tails for memory erasure tests 0.528
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.191
Then I find very few patterns in the guest's memory 3.375 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.596
Then patterns cover at least 75% of the test FS size in the guest's memory 3.319 
Pattern coverage: 86.484% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.360
Then I find very few patterns in the guest's memory after 3 seconds 5.761 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 2.538
And I read the content of the test FS 0.770
Then patterns cover at least 99% of the test FS size in the guest's memory 2.980 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.917
Then I find very few patterns in the guest's memory after 3 seconds 5.887 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.788
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.324
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.310
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.889
Then I find very few patterns in the guest's memory 2.431 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.760
Then patterns cover at least 99% of the test FS size in the guest's memory 2.957 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.246
Then I find very few patterns in the guest's memory after 3 seconds 6.036 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 5.491
And I read the content of the test FS 0.518
Then patterns cover at least 99% of the test FS size in the guest's memory 2.900 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.023
Then I find very few patterns in the guest's memory after 3 seconds 5.320 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.577
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.629
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.933
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the root filesystem 15.990
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.872
Then patterns cover at least 128 MiB in the guest's memory 2.669 
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 20.710 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.491
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:39.719
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 6:54.536
And I prepare Tails for memory erasure tests 1.400
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.538
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.232 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.011