Project Number Date
test_Tails_ISO_stable 4857 28 May 2024, 16:39

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 12:47.889 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
23.301
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.372
And I prepare Tails for memory erasure tests 0.455
When I start a process allocating 128 MiB of memory with a known pattern 2.570
Then patterns cover at least 128 MiB in the guest's memory 5.508 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.508
Then I find very few patterns in the guest's memory 4.886 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:305 0.956
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
30.146
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 9.242
And I prepare Tails for memory erasure tests 0.686
And I find very few patterns in the guest's memory 6.889 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.292
Then patterns cover at least 99% of the test FS size in the guest's memory 4.524 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.109
Then I find very few patterns in the guest's memory 5.400 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:305 0.843
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
51.089
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.081
And I prepare Tails for memory erasure tests 0.443
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.740
Then I find very few patterns in the guest's memory 4.568 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.127
Then patterns cover at least 86% of the test FS size in the guest's memory 4.789 
Pattern coverage: 89.582% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.504
Then I find very few patterns in the guest's memory 4.817 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 0.608
And I read the content of the test FS 1.940
Then patterns cover at least 99% of the test FS size in the guest's memory 4.346 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.762
Then I find very few patterns in the guest's memory 4.357 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:305 0.997
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:22.753
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.387
And I prepare Tails for memory erasure tests 0.679
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.025
Then I find very few patterns in the guest's memory 5.172 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.962
Then patterns cover at least 99% of the test FS size in the guest's memory 3.369 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.936
Then I find very few patterns in the guest's memory 5.408 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# read cache
When I mount the USB drive again 5.065
And I read the content of the test FS 2.187
Then patterns cover at least 99% of the test FS size in the guest's memory 3.770 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.785
Then I find very few patterns in the guest's memory 4.003 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:305 1.232
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
54.232
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.476
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the root filesystem 17.700
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.076
Then patterns cover at least 128 MiB in the guest's memory 3.618 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.935 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:305 3.522
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
8:46.366
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:59.226
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.284
When I trigger shutdown 0.015
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.357 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:305 3.543
After features/support/hooks.rb:89 0.012