Project Number Date
test_Tails_ISO_stable 4764 03 Apr 2024, 12:01

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 10:20.533 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
17.613
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.155
And I prepare Tails for memory erasure tests 0.471
When I start a process allocating 128 MiB of memory with a known pattern 1.189
Then patterns cover at least 128 MiB in the guest's memory 3.395 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.880
Then I find very few patterns in the guest's memory 3.522 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:291 1.141
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
24.507
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.304
And I prepare Tails for memory erasure tests 0.386
And I find very few patterns in the guest's memory 5.270 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.673
Then patterns cover at least 99% of the test FS size in the guest's memory 3.770 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.511
Then I find very few patterns in the guest's memory 4.591 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:291 1.156
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
47.226
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.133
And I prepare Tails for memory erasure tests 0.384
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.848
Then I find very few patterns in the guest's memory 9.024 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.226
Then patterns cover at least 86% of the test FS size in the guest's memory 4.536 
Pattern coverage: 86.007% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.978
Then I find very few patterns in the guest's memory 4.410 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 0.242
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 4.132 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.535
Then I find very few patterns in the guest's memory 4.307 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:291 0.935
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:4.381
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.619
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.049
Then I find very few patterns in the guest's memory 4.388 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.714
Then patterns cover at least 99% of the test FS size in the guest's memory 3.970 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.811
Then I find very few patterns in the guest's memory 3.535 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 2.015
And I read the content of the test FS 0.658
Then patterns cover at least 99% of the test FS size in the guest's memory 4.561 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.476
Then I find very few patterns in the guest's memory 4.177 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:291 0.699
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.159
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.305
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the root filesystem 13.976
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.215
Then patterns cover at least 128 MiB in the guest's memory 3.258 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
And I wait 20 seconds 20.017 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.962 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:291 3.821
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:57.645
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 6:11.500
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.404
When I trigger shutdown 0.011
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.304 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:291 3.558
After features/support/hooks.rb:75 0.012