Project Number Date
test_Tails_ISO_stable 4560 09 Dec 2023, 12:15

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 13:50.606 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
17.850
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.327
And I prepare Tails for memory erasure tests 0.642
When I start a process allocating 128 MiB of memory with a known pattern 1.394
Then patterns cover at least 128 MiB in the guest's memory 3.454 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.311
Then I find very few patterns in the guest's memory 3.720 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
After features/support/hooks.rb:291 0.716
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:4.457
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.471
And I prepare Tails for memory erasure tests 0.685
And I find very few patterns in the guest's memory 4.200 
Pattern coverage: 0.000% (0 MiB out of 1218 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 43.741
Then patterns cover at least 99% of the test FS size in the guest's memory 3.246 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.271
Then I find very few patterns in the guest's memory 3.841 
Pattern coverage: 0.000% (0 MiB out of 1218 MiB reference memory)
After features/support/hooks.rb:291 0.954
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:8.230
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.283
And I prepare Tails for memory erasure tests 0.715
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.911
Then I find very few patterns in the guest's memory 3.889 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:31.518
Then patterns cover at least 86% of the test FS size in the guest's memory 3.351 
Pattern coverage: 92.648% (115 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.629
Then I find very few patterns in the guest's memory 3.800 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
# read cache
When I mount the USB drive again 0.304
And I read the content of the test FS 0.616
Then patterns cover at least 99% of the test FS size in the guest's memory 3.118 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.596
Then I find very few patterns in the guest's memory 3.495 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
After features/support/hooks.rb:291 0.826
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:35.028
Before features/support/hooks.rb:245 0.004
Given I have started Tails from DVD without network and logged in 8.409
And I prepare Tails for memory erasure tests 0.601
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.627
Then I find very few patterns in the guest's memory 3.464 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:38.735
Then patterns cover at least 99% of the test FS size in the guest's memory 2.986 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.871
Then I find very few patterns in the guest's memory 3.583 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# read cache
When I mount the USB drive again 3.459
And I read the content of the test FS 0.567
Then patterns cover at least 99% of the test FS size in the guest's memory 2.676 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.562
Then I find very few patterns in the guest's memory 3.482 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
After features/support/hooks.rb:291 0.759
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.722
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.138
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the root filesystem 12.583
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.591
Then patterns cover at least 128 MiB in the guest's memory 3.183 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.888
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.833 
Pattern coverage: 0.000% (0 MiB out of 1179 MiB reference memory)
After features/support/hooks.rb:291 3.477
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:56.318
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:10.426
And I prepare Tails for memory erasure tests 0.417
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.721
When I trigger shutdown 0.401
And I wait 20 seconds 20.014 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.337 
Pattern coverage: 0.000% (0 MiB out of 1200 MiB reference memory)
After features/support/hooks.rb:291 3.483
After features/support/hooks.rb:75 0.010