Project Number Date
test_Tails_ISO_stable 4595 29 Dec 2023, 12:27

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 14:5.232 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
19.089
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.945
And I prepare Tails for memory erasure tests 0.655
When I start a process allocating 128 MiB of memory with a known pattern 2.519
Then patterns cover at least 128 MiB in the guest's memory 3.630 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.347
Then I find very few patterns in the guest's memory 3.990 
Pattern coverage: 0.000% (0 MiB out of 1226 MiB reference memory)
After features/support/hooks.rb:291 0.740
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
56.966
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.356
And I prepare Tails for memory erasure tests 0.574
And I find very few patterns in the guest's memory 3.875 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 37.146
Then patterns cover at least 99% of the test FS size in the guest's memory 3.114 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.231
Then I find very few patterns in the guest's memory 3.668 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
After features/support/hooks.rb:291 1.581
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:5.085
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.045
And I prepare Tails for memory erasure tests 0.506
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.238
Then I find very few patterns in the guest's memory 4.509 
Pattern coverage: 0.000% (0 MiB out of 1229 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:27.024
Then patterns cover at least 86% of the test FS size in the guest's memory 3.434 
Pattern coverage: 95.582% (119 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.770
Then I find very few patterns in the guest's memory 3.847 
Pattern coverage: 0.000% (0 MiB out of 1229 MiB reference memory)
# read cache
When I mount the USB drive again 0.695
And I read the content of the test FS 0.668
Then patterns cover at least 99% of the test FS size in the guest's memory 3.204 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.288
Then I find very few patterns in the guest's memory 3.852 
Pattern coverage: 0.000% (0 MiB out of 1229 MiB reference memory)
After features/support/hooks.rb:291 0.874
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:34.826
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.969
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" 24.823
Then I find very few patterns in the guest's memory 4.358 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:36.923
Then patterns cover at least 99% of the test FS size in the guest's memory 2.732 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.586
Then I find very few patterns in the guest's memory 3.758 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
# read cache
When I mount the USB drive again 3.137
And I read the content of the test FS 0.634
Then patterns cover at least 99% of the test FS size in the guest's memory 3.288 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.486
Then I find very few patterns in the guest's memory 3.598 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
After features/support/hooks.rb:291 0.934
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
51.926
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.356
And I prepare Tails for memory erasure tests 0.550
When I fill a 128 MiB file with a known pattern on the root filesystem 15.998
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.739
Then patterns cover at least 128 MiB in the guest's memory 2.988 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.529
And I wait 20 seconds 20.018 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.746 
Pattern coverage: 0.000% (0 MiB out of 1228 MiB reference memory)
After features/support/hooks.rb:291 3.483
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:17.336
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 5:29.523
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.615
When I trigger shutdown 0.457
And I wait 20 seconds 20.016 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.242 
Pattern coverage: 0.000% (0 MiB out of 1169 MiB reference memory)
After features/support/hooks.rb:291 3.575
After features/support/hooks.rb:75 0.014