Project Number Date
test_Tails_ISO_stable 4671 17 Feb 2024, 11:59

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 13:45.264 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
20.475
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.455
And I prepare Tails for memory erasure tests 0.629
When I start a process allocating 128 MiB of memory with a known pattern 1.326
Then patterns cover at least 128 MiB in the guest's memory 4.408 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.191
Then I find very few patterns in the guest's memory 4.462 
Pattern coverage: 0.000% (0 MiB out of 1194 MiB reference memory)
After features/support/hooks.rb:291 0.818
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:4.283
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.263
And I prepare Tails for memory erasure tests 0.586
And I find very few patterns in the guest's memory 4.635 
Pattern coverage: 0.000% (0 MiB out of 1226 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.513
Then patterns cover at least 99% of the test FS size in the guest's memory 4.093 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.383
Then I find very few patterns in the guest's memory 6.808 
Pattern coverage: 0.000% (0 MiB out of 1226 MiB reference memory)
After features/support/hooks.rb:291 0.842
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:48.569
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.404
And I prepare Tails for memory erasure tests 0.709
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.594
Then I find very few patterns in the guest's memory 4.206 
Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:8.685
Then patterns cover at least 86% of the test FS size in the guest's memory 3.253 
Pattern coverage: 96.369% (120 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.479
Then I find very few patterns in the guest's memory 3.750 
Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)
# read cache
When I mount the USB drive again 0.240
And I read the content of the test FS 1.076
Then patterns cover at least 99% of the test FS size in the guest's memory 3.912 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.362
Then I find very few patterns in the guest's memory 4.894 
Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)
After features/support/hooks.rb:291 0.714
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:29.582
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.014
And I prepare Tails for memory erasure tests 1.012
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.475
Then I find very few patterns in the guest's memory 3.681 
Pattern coverage: 0.000% (0 MiB out of 1220 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:34.245
Then patterns cover at least 99% of the test FS size in the guest's memory 2.827 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.697
Then I find very few patterns in the guest's memory 3.504 
Pattern coverage: 0.000% (0 MiB out of 1220 MiB reference memory)
# read cache
When I mount the USB drive again 3.428
And I read the content of the test FS 0.732
Then patterns cover at least 99% of the test FS size in the guest's memory 2.925 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.415
Then I find very few patterns in the guest's memory 3.621 
Pattern coverage: 0.000% (0 MiB out of 1220 MiB reference memory)
After features/support/hooks.rb:291 1.112
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
53.194
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.983
And I prepare Tails for memory erasure tests 0.653
When I fill a 128 MiB file with a known pattern on the root filesystem 15.895
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.680
Then patterns cover at least 128 MiB in the guest's memory 3.398 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.711
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.851 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
After features/support/hooks.rb:291 3.499
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:9.159
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 5:23.424
And I prepare Tails for memory erasure tests 0.538
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.606
When I trigger shutdown 0.367
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.203 
Pattern coverage: 0.000% (0 MiB out of 1176 MiB reference memory)
After features/support/hooks.rb:291 3.495
After features/support/hooks.rb:75 0.013