Project Number Date
test_Tails_ISO_stable 4564 12 Dec 2023, 12:06

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 13:38.692 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
19.221
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.810
And I prepare Tails for memory erasure tests 0.532
When I start a process allocating 128 MiB of memory with a known pattern 2.412
Then patterns cover at least 128 MiB in the guest's memory 3.276 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.380
Then I find very few patterns in the guest's memory 3.808 
Pattern coverage: 0.000% (0 MiB out of 1233 MiB reference memory)
After features/support/hooks.rb:291 1.326
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:2.565
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.063
And I prepare Tails for memory erasure tests 0.751
And I find very few patterns in the guest's memory 3.755 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 42.965
Then patterns cover at least 99% of the test FS size in the guest's memory 3.060 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.362
Then I find very few patterns in the guest's memory 3.605 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
After features/support/hooks.rb:291 0.833
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:48.058
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 0.824
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.897
Then I find very few patterns in the guest's memory 3.795 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:11.115
Then patterns cover at least 86% of the test FS size in the guest's memory 3.236 
Pattern coverage: 97.272% (121 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.584
Then I find very few patterns in the guest's memory 4.405 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
# read cache
When I mount the USB drive again 0.226
And I read the content of the test FS 0.672
Then patterns cover at least 99% of the test FS size in the guest's memory 3.688 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.326
Then I find very few patterns in the guest's memory 4.284 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
After features/support/hooks.rb:291 0.903
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:30.905
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.296
And I prepare Tails for memory erasure tests 0.721
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.368
Then I find very few patterns in the guest's memory 3.588 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:37.915
Then patterns cover at least 99% of the test FS size in the guest's memory 2.681 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.581
Then I find very few patterns in the guest's memory 3.255 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
# read cache
When I mount the USB drive again 3.646
And I read the content of the test FS 0.433
Then patterns cover at least 99% of the test FS size in the guest's memory 2.775 
Pattern coverage: 108.661% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.924
Then I find very few patterns in the guest's memory 3.715 
Pattern coverage: 0.000% (0 MiB out of 1221 MiB reference memory)
After features/support/hooks.rb:291 0.993
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
50.598
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.904
And I prepare Tails for memory erasure tests 0.562
When I fill a 128 MiB file with a known pattern on the root filesystem 13.518
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.689
Then patterns cover at least 128 MiB in the guest's memory 3.270 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.701
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.931 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
After features/support/hooks.rb:291 3.496
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:7.341
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 5:20.692
And I prepare Tails for memory erasure tests 0.451
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.823
When I trigger shutdown 0.219
And I wait 20 seconds 20.006 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.148 
Pattern coverage: 0.000% (0 MiB out of 1198 MiB reference memory)
After features/support/hooks.rb:291 3.459
After features/support/hooks.rb:75 0.014