Project Number Date
test_Tails_ISO_stable 4795 18 Apr 2024, 17:52

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 10:22.527 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
19.098
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.381
And I prepare Tails for memory erasure tests 0.366
When I start a process allocating 128 MiB of memory with a known pattern 2.344
Then patterns cover at least 128 MiB in the guest's memory 3.393 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.122
Then I find very few patterns in the guest's memory 3.489 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:305 1.458
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
23.774
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.111
And I prepare Tails for memory erasure tests 0.385
And I find very few patterns in the guest's memory 4.245 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.659
Then patterns cover at least 99% of the test FS size in the guest's memory 4.168 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.622
Then I find very few patterns in the guest's memory 4.581 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:305 1.286
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
46.169
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.116
And I prepare Tails for memory erasure tests 0.372
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.896
Then I find very few patterns in the guest's memory 4.236 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.689
Then patterns cover at least 86% of the test FS size in the guest's memory 3.393 
Pattern coverage: 88.471% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.932
Then I find very few patterns in the guest's memory 5.844 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.308
And I read the content of the test FS 0.543
Then patterns cover at least 99% of the test FS size in the guest's memory 4.568 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.432
Then I find very few patterns in the guest's memory 5.835 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:305 0.745
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:9.830
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.592
And I prepare Tails for memory erasure tests 0.456
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.108
Then I find very few patterns in the guest's memory 4.297 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.033
Then patterns cover at least 99% of the test FS size in the guest's memory 3.600 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory 4.154 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 6.998
And I read the content of the test FS 0.977
Then patterns cover at least 99% of the test FS size in the guest's memory 3.347 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.473
Then I find very few patterns in the guest's memory 4.126 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:305 0.813
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
51.368
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.147
And I prepare Tails for memory erasure tests 0.377
When I fill a 128 MiB file with a known pattern on the root filesystem 17.028
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 0.907
Then patterns cover at least 128 MiB in the guest's memory 2.988 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.052
And I wait 20 seconds 20.018 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.849 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:305 3.538
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
6:52.286
Before features/support/hooks.rb:259 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:5.602
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.013
When I trigger shutdown 0.014
And I wait 20 seconds 20.003 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.260 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:305 3.573
After features/support/hooks.rb:89 0.012