Project Number Date
test_Tails_ISO_stable 4544 30 Nov 2023, 21:25

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 14:7.792 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
19.762
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.345
And I prepare Tails for memory erasure tests 0.705
When I start a process allocating 128 MiB of memory with a known pattern 2.507
Then patterns cover at least 128 MiB in the guest's memory 3.829 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.247
Then I find very few patterns in the guest's memory 4.127 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
After features/support/hooks.rb:291 0.648
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:7.544
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.448
And I prepare Tails for memory erasure tests 0.654
And I find very few patterns in the guest's memory 3.855 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 46.380
Then patterns cover at least 99% of the test FS size in the guest's memory 3.342 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.704
Then I find very few patterns in the guest's memory 4.158 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
After features/support/hooks.rb:291 0.725
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:45.714
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.298
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.217
Then I find very few patterns in the guest's memory 3.780 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:6.126
Then patterns cover at least 86% of the test FS size in the guest's memory 3.695 
Pattern coverage: 95.610% (119 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.546
Then I find very few patterns in the guest's memory 4.723 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
# read cache
When I mount the USB drive again 0.246
And I read the content of the test FS 0.647
Then patterns cover at least 99% of the test FS size in the guest's memory 4.215 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.251
Then I find very few patterns in the guest's memory 4.530 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
After features/support/hooks.rb:291 1.296
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:47.679
Before features/support/hooks.rb:245 0.004
Given I have started Tails from DVD without network and logged in 9.085
And I prepare Tails for memory erasure tests 0.690
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.377
Then I find very few patterns in the guest's memory 4.083 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:48.616
Then patterns cover at least 99% of the test FS size in the guest's memory 3.200 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.805
Then I find very few patterns in the guest's memory 3.684 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
# read cache
When I mount the USB drive again 4.526
And I read the content of the test FS 0.383
Then patterns cover at least 99% of the test FS size in the guest's memory 3.442 
Pattern coverage: 108.661% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.472
Then I find very few patterns in the guest's memory 4.310 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
After features/support/hooks.rb:291 1.060
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
52.239
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.347
And I prepare Tails for memory erasure tests 0.601
When I fill a 128 MiB file with a known pattern on the root filesystem 14.488
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.407
Then patterns cover at least 128 MiB in the guest's memory 2.878 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.624
And I wait 20 seconds 20.007 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.884 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
After features/support/hooks.rb:291 3.445
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:14.851
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 5:28.656
And I prepare Tails for memory erasure tests 0.565
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.952
When I trigger shutdown 0.424
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.231 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
After features/support/hooks.rb:291 3.457
After features/support/hooks.rb:75 0.012