Project Number Date
test_Tails_ISO_devel 3217 30 Dec 2023, 12:32

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 13:44.559 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
20.783
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.190
And I prepare Tails for memory erasure tests 0.489
When I start a process allocating 128 MiB of memory with a known pattern 2.403
Then patterns cover at least 128 MiB in the guest's memory 4.206 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.218
Then I find very few patterns in the guest's memory 5.275 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 1.334
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:4.748
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.209
And I prepare Tails for memory erasure tests 0.609
And I find very few patterns in the guest's memory 5.634 
Pattern coverage: 0.000% (0 MiB out of 1199 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 40.158
Then patterns cover at least 99% of the test FS size in the guest's memory 4.050 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.613
Then I find very few patterns in the guest's memory 4.472 
Pattern coverage: 0.000% (0 MiB out of 1199 MiB reference memory)
After features/support/hooks.rb:291 1.173
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:59.263
Before features/support/hooks.rb:245 0.004
Given I have started Tails from DVD without network and logged in 8.486
And I prepare Tails for memory erasure tests 0.485
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.995
Then I find very few patterns in the guest's memory 4.619 
Pattern coverage: 0.000% (0 MiB out of 1199 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:22.906
Then patterns cover at least 86% of the test FS size in the guest's memory 2.896 
Pattern coverage: 93.011% (115 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.552
Then I find very few patterns in the guest's memory 3.480 
Pattern coverage: 0.000% (0 MiB out of 1199 MiB reference memory)
# read cache
When I mount the USB drive again 0.237
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 2.977 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.424
Then I find very few patterns in the guest's memory 3.600 
Pattern coverage: 0.000% (0 MiB out of 1199 MiB reference memory)
After features/support/hooks.rb:291 0.804
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:19.892
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.276
And I prepare Tails for memory erasure tests 0.563
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.293
Then I find very few patterns in the guest's memory 3.563 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:26.039
Then patterns cover at least 99% of the test FS size in the guest's memory 2.760 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.602
Then I find very few patterns in the guest's memory 3.571 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
# read cache
When I mount the USB drive again 3.387
And I read the content of the test FS 0.430
Then patterns cover at least 99% of the test FS size in the guest's memory 2.609 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.425
Then I find very few patterns in the guest's memory 3.369 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
After features/support/hooks.rb:291 1.136
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
52.653
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.474
And I prepare Tails for memory erasure tests 0.560
When I fill a 128 MiB file with a known pattern on the root filesystem 13.016
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.608
Then patterns cover at least 128 MiB in the guest's memory 4.876 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 1.006
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.088 
Pattern coverage: 0.000% (0 MiB out of 1195 MiB reference memory)
After features/support/hooks.rb:291 3.486
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:7.218
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 5:22.813
And I prepare Tails for memory erasure tests 0.540
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.328
When I trigger shutdown 0.409
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.106 
Pattern coverage: 0.000% (0 MiB out of 1200 MiB reference memory)
After features/support/hooks.rb:291 3.461
After features/support/hooks.rb:75 0.031