Project Number Date
test_Tails_ISO_stable 5115 24 Sep 2024, 20:48

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 10:50.870 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
22.712
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.297
And I prepare Tails for memory erasure tests 0.449
When I start a process allocating 128 MiB of memory with a known pattern 2.489
Then patterns cover at least 128 MiB in the guest's memory 4.105 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.177
Then I find very few patterns in the guest's memory after 3 seconds 6.192 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.855
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.104
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.148
And I prepare Tails for memory erasure tests 0.445
And I find very few patterns in the guest's memory 3.292 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.013
Then patterns cover at least 99% of the test FS size in the guest's memory 3.766 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.883
Then I find very few patterns in the guest's memory after 3 seconds 6.554 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 0.811
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.128
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.173
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.164
Then I find very few patterns in the guest's memory 3.373 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.708
Then patterns cover at least 75% of the test FS size in the guest's memory 3.818 
Pattern coverage: 88.786% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.474
Then I find very few patterns in the guest's memory after 3 seconds 5.976 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.322
And I read the content of the test FS 0.818
Then patterns cover at least 99% of the test FS size in the guest's memory 3.868 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.687
Then I find very few patterns in the guest's memory after 3 seconds 6.330 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.984
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.530
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.433
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.888
Then I find very few patterns in the guest's memory 2.673 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.415
Then patterns cover at least 99% of the test FS size in the guest's memory 3.143 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.024
Then I find very few patterns in the guest's memory after 3 seconds 5.781 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 5.744
And I read the content of the test FS 0.514
Then patterns cover at least 99% of the test FS size in the guest's memory 3.127 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.629
Then I find very few patterns in the guest's memory after 3 seconds 5.718 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.873
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.882
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.670
And I prepare Tails for memory erasure tests 0.535
When I fill a 128 MiB file with a known pattern on the root filesystem 15.506
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.066
Then patterns cover at least 128 MiB in the guest's memory 3.259 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.826 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.484
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:8.511
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:25.736
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.130
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.179 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.494
After features/support/hooks.rb:100 0.012