Project Number Date
test_Tails_ISO_stable 4569 14 Dec 2023, 12:08

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 13:58.914 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
18.740
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.964
And I prepare Tails for memory erasure tests 0.601
When I start a process allocating 128 MiB of memory with a known pattern 1.261
Then patterns cover at least 128 MiB in the guest's memory 3.276 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.891
Then I find very few patterns in the guest's memory 3.744 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
After features/support/hooks.rb:291 0.793
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:4.703
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.656
And I prepare Tails for memory erasure tests 0.497
And I find very few patterns in the guest's memory 4.853 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 43.892
Then patterns cover at least 99% of the test FS size in the guest's memory 3.290 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.213
Then I find very few patterns in the guest's memory 4.299 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
After features/support/hooks.rb:291 2.989
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:39.487
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.382
And I prepare Tails for memory erasure tests 0.562
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.855
Then I find very few patterns in the guest's memory 3.764 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3:2.103
Then patterns cover at least 86% of the test FS size in the guest's memory 3.173 
Pattern coverage: 100.149% (124 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.601
Then I find very few patterns in the guest's memory 3.735 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
# read cache
When I mount the USB drive again 0.218
And I read the content of the test FS 0.568
Then patterns cover at least 99% of the test FS size in the guest's memory 3.032 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 1.970
Then I find very few patterns in the guest's memory 3.519 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
After features/support/hooks.rb:291 0.800
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:35.477
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.715
And I prepare Tails for memory erasure tests 0.510
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.549
Then I find very few patterns in the guest's memory 3.042 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:40.661
Then patterns cover at least 99% of the test FS size in the guest's memory 2.698 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.678
Then I find very few patterns in the guest's memory 3.319 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
# read cache
When I mount the USB drive again 3.669
And I read the content of the test FS 0.408
Then patterns cover at least 99% of the test FS size in the guest's memory 2.563 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.358
Then I find very few patterns in the guest's memory 3.301 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
After features/support/hooks.rb:291 0.795
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
45.118
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.742
And I prepare Tails for memory erasure tests 0.558
When I fill a 128 MiB file with a known pattern on the root filesystem 10.807
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.416
Then patterns cover at least 128 MiB in the guest's memory 2.388 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.559
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.625 
Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)
After features/support/hooks.rb:291 3.475
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:35.387
Before features/support/hooks.rb:245 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:54.814
And I prepare Tails for memory erasure tests 0.467
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.883
When I trigger shutdown 0.193
And I wait 20 seconds 20.007 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.020 
Pattern coverage: 0.000% (0 MiB out of 1173 MiB reference memory)
After features/support/hooks.rb:291 3.445
After features/support/hooks.rb:75 0.010