Project Number Date
test_Tails_ISO_stable 4541 30 Nov 2023, 12:53

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 14:19.734 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
19.098
Before features/support/hooks.rb:245 0.008
Given I have started Tails from DVD without network and logged in 8.558
And I prepare Tails for memory erasure tests 0.571
When I start a process allocating 128 MiB of memory with a known pattern 1.271
Then patterns cover at least 128 MiB in the guest's memory 4.557 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.323
Then I find very few patterns in the guest's memory 3.816 
Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)
After features/support/hooks.rb:291 0.687
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:2.990
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.268
And I prepare Tails for memory erasure tests 0.885
And I find very few patterns in the guest's memory 3.877 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 41.965
Then patterns cover at least 99% of the test FS size in the guest's memory 3.298 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.788
Then I find very few patterns in the guest's memory 3.907 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
After features/support/hooks.rb:291 1.040
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:21.371
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.037
And I prepare Tails for memory erasure tests 0.787
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.953
Then I find very few patterns in the guest's memory 4.021 
Pattern coverage: 0.000% (0 MiB out of 1195 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:43.445
Then patterns cover at least 86% of the test FS size in the guest's memory 3.277 
Pattern coverage: 94.265% (117 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.436
Then I find very few patterns in the guest's memory 4.067 
Pattern coverage: 0.000% (0 MiB out of 1195 MiB reference memory)
# read cache
When I mount the USB drive again 0.501
And I read the content of the test FS 1.039
Then patterns cover at least 99% of the test FS size in the guest's memory 3.262 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.313
Then I find very few patterns in the guest's memory 4.227 
Pattern coverage: 0.000% (0 MiB out of 1195 MiB reference memory)
After features/support/hooks.rb:291 0.758
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:49.321
Before features/support/hooks.rb:245 0.005
Given I have started Tails from DVD without network and logged in 7.923
And I prepare Tails for memory erasure tests 0.665
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.645
Then I find very few patterns in the guest's memory 3.820 
Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:50.414
Then patterns cover at least 99% of the test FS size in the guest's memory 2.709 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.768
Then I find very few patterns in the guest's memory 3.557 
Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)
# read cache
When I mount the USB drive again 3.428
And I read the content of the test FS 0.434
Then patterns cover at least 99% of the test FS size in the guest's memory 2.859 
Pattern coverage: 108.661% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory 3.598 
Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)
After features/support/hooks.rb:291 1.257
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.074
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.346
And I prepare Tails for memory erasure tests 0.735
When I fill a 128 MiB file with a known pattern on the root filesystem 13.281
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.431
Then patterns cover at least 128 MiB in the guest's memory 2.780 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.716
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.762 
Pattern coverage: 0.000% (0 MiB out of 1238 MiB reference memory)
After features/support/hooks.rb:291 3.452
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:57.876
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 5:13.731
And I prepare Tails for memory erasure tests 0.519
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.929
When I trigger shutdown 0.386
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.289 
Pattern coverage: 0.000% (0 MiB out of 1183 MiB reference memory)
After features/support/hooks.rb:291 3.480
After features/support/hooks.rb:75 0.012