Project Number Date
test_Tails_ISO_stable 4585 22 Dec 2023, 12:46

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 14:7.181 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
18.661
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.001
And I prepare Tails for memory erasure tests 0.490
When I start a process allocating 128 MiB of memory with a known pattern 1.254
Then patterns cover at least 128 MiB in the guest's memory 3.915 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.303
Then I find very few patterns in the guest's memory 4.697 
Pattern coverage: 0.000% (0 MiB out of 1192 MiB reference memory)
After features/support/hooks.rb:291 0.814
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
58.169
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.240
And I prepare Tails for memory erasure tests 0.479
And I find very few patterns in the guest's memory 4.636 
Pattern coverage: 0.000% (0 MiB out of 1186 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 37.737
Then patterns cover at least 99% of the test FS size in the guest's memory 3.134 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.218
Then I find very few patterns in the guest's memory 3.722 
Pattern coverage: 0.000% (0 MiB out of 1186 MiB reference memory)
After features/support/hooks.rb:291 0.790
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:30.002
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.077
And I prepare Tails for memory erasure tests 0.542
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.843
Then I find very few patterns in the guest's memory 3.755 
Pattern coverage: 0.000% (0 MiB out of 1190 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:51.666
Then patterns cover at least 86% of the test FS size in the guest's memory 4.418 
Pattern coverage: 91.297% (113 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.376
Then I find very few patterns in the guest's memory 4.147 
Pattern coverage: 0.000% (0 MiB out of 1190 MiB reference memory)
# read cache
When I mount the USB drive again 0.286
And I read the content of the test FS 0.593
Then patterns cover at least 99% of the test FS size in the guest's memory 4.875 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.240
Then I find very few patterns in the guest's memory 4.177 
Pattern coverage: 0.000% (0 MiB out of 1190 MiB reference memory)
After features/support/hooks.rb:291 0.811
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:41.889
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.161
And I prepare Tails for memory erasure tests 0.529
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.395
Then I find very few patterns in the guest's memory 3.709 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:49.128
Then patterns cover at least 99% of the test FS size in the guest's memory 2.792 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.620
Then I find very few patterns in the guest's memory 3.310 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# read cache
When I mount the USB drive again 3.590
And I read the content of the test FS 0.400
Then patterns cover at least 99% of the test FS size in the guest's memory 2.595 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.404
Then I find very few patterns in the guest's memory 3.250 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
After features/support/hooks.rb:291 0.987
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
50.726
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.246
And I prepare Tails for memory erasure tests 0.544
When I fill a 128 MiB file with a known pattern on the root filesystem 14.776
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.362
Then patterns cover at least 128 MiB in the guest's memory 2.537 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 1.420
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.816 
Pattern coverage: 0.000% (0 MiB out of 1213 MiB reference memory)
After features/support/hooks.rb:291 3.537
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:47.731
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:6.228
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.630
When I trigger shutdown 0.296
And I wait 20 seconds 20.015 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.132 
Pattern coverage: 0.000% (0 MiB out of 1179 MiB reference memory)
After features/support/hooks.rb:291 3.513
After features/support/hooks.rb:75 0.012