Project Number Date
test_Tails_ISO_devel 3544 11 Oct 2024, 02:58

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 11:28.690 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
22.954
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.456
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 1.210
Then patterns cover at least 128 MiB in the guest's memory 4.236 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.927
Then I find very few patterns in the guest's memory after 3 seconds 7.688 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.916
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.232
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.980
And I prepare Tails for memory erasure tests 0.618
And I find very few patterns in the guest's memory 4.383 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.746
Then patterns cover at least 99% of the test FS size in the guest's memory 5.456 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.530
Then I find very few patterns in the guest's memory after 3 seconds 6.516 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.948
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.242
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.418
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.155
Then I find very few patterns in the guest's memory 3.703 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.458
Then patterns cover at least 75% of the test FS size in the guest's memory 4.308 
Pattern coverage: 87.191% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.257
Then I find very few patterns in the guest's memory after 3 seconds 8.209 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 0.656
Then patterns cover at least 99% of the test FS size in the guest's memory 4.147 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.625
Then I find very few patterns in the guest's memory after 3 seconds 6.681 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.137
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.279
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.352
And I prepare Tails for memory erasure tests 0.510
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.842
Then I find very few patterns in the guest's memory 2.618 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.745
Then patterns cover at least 99% of the test FS size in the guest's memory 2.903 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.145
Then I find very few patterns in the guest's memory after 3 seconds 5.933 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 8.635
And I read the content of the test FS 0.532
Then patterns cover at least 99% of the test FS size in the guest's memory 3.356 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.727
Then I find very few patterns in the guest's memory after 3 seconds 5.977 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 0.810
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.473
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.994
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the root filesystem 18.411
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.647
Then patterns cover at least 128 MiB in the guest's memory 3.839 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.066 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.547
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:26.508
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 6:40.375
And I prepare Tails for memory erasure tests 0.400
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.470
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.250 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.484
After features/support/hooks.rb:100 0.012