Project Number Date
test_Tails_ISO_stable 5003 06 Aug 2024, 16:16

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 12:11.493 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
20.838
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.465
And I prepare Tails for memory erasure tests 0.471
When I start a process allocating 128 MiB of memory with a known pattern 2.394
Then patterns cover at least 128 MiB in the guest's memory 3.453 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.365
Then I find very few patterns in the guest's memory after 3 seconds 5.687 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.835
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.706
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.327
And I prepare Tails for memory erasure tests 0.823
And I find very few patterns in the guest's memory 3.313 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.864
Then patterns cover at least 99% of the test FS size in the guest's memory 3.675 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.901
Then I find very few patterns in the guest's memory after 3 seconds 5.800 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 1.235
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.649
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.059
And I prepare Tails for memory erasure tests 0.579
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.320
Then I find very few patterns in the guest's memory 2.927 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.718
Then patterns cover at least 86% of the test FS size in the guest's memory 3.754 
Pattern coverage: 89.607% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.773
Then I find very few patterns in the guest's memory after 3 seconds 6.566 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.292
And I read the content of the test FS 0.722
Then patterns cover at least 99% of the test FS size in the guest's memory 5.272 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.782
Then I find very few patterns in the guest's memory after 3 seconds 6.881 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.863
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.915
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.771
And I prepare Tails for memory erasure tests 0.515
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.249
Then I find very few patterns in the guest's memory 3.005 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.231
Then patterns cover at least 99% of the test FS size in the guest's memory 3.563 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.007
Then I find very few patterns in the guest's memory after 3 seconds 6.217 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 6.130
And I read the content of the test FS 0.474
Then patterns cover at least 99% of the test FS size in the guest's memory 3.474 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.253
Then I find very few patterns in the guest's memory after 3 seconds 6.020 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.961
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
50.719
Before features/support/hooks.rb:269 0.006
Given I have started Tails from DVD without network and logged in 9.758
And I prepare Tails for memory erasure tests 0.698
When I fill a 128 MiB file with a known pattern on the root filesystem 14.089
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.077
Then patterns cover at least 128 MiB in the guest's memory 3.192 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.890 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.550
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:21.663
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:34.950
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 24.950
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.346 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
After features/support/hooks.rb:326 3.561
After features/support/hooks.rb:100 0.014