Project Number Date
test_Tails_ISO_stable 4776 06 Apr 2024, 12:27

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 10:32.797 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
20.067
Before features/support/hooks.rb:259 0.004
Given I have started Tails from DVD without network and logged in 8.168
And I prepare Tails for memory erasure tests 0.383
When I start a process allocating 128 MiB of memory with a known pattern 1.213
Then patterns cover at least 128 MiB in the guest's memory 4.854 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.423
Then I find very few patterns in the guest's memory 5.023 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:305 1.433
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
23.403
Before features/support/hooks.rb:259 0.004
Given I have started Tails from DVD without network and logged in 8.492
And I prepare Tails for memory erasure tests 0.467
And I find very few patterns in the guest's memory 4.508 
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 2.166
Then patterns cover at least 99% of the test FS size in the guest's memory 3.356 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.407
Then I find very few patterns in the guest's memory 4.004 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:305 1.057
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
48.850
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.266
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.929
Then I find very few patterns in the guest's memory 5.190 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.298
Then patterns cover at least 86% of the test FS size in the guest's memory 3.930 
Pattern coverage: 86.524% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.106
Then I find very few patterns in the guest's memory 4.348 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.204
And I read the content of the test FS 0.510
Then patterns cover at least 99% of the test FS size in the guest's memory 7.768 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.220
Then I find very few patterns in the guest's memory 4.663 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:305 1.872
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:4.065
Before features/support/hooks.rb:259 0.004
Given I have started Tails from DVD without network and logged in 8.525
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.537
Then I find very few patterns in the guest's memory 5.216 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.781
Then patterns cover at least 99% of the test FS size in the guest's memory 2.951 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.796
Then I find very few patterns in the guest's memory 3.680 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 3.921
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 3.595 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.267
Then I find very few patterns in the guest's memory 3.843 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:305 1.593
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
54.095
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.189
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the root filesystem 19.400
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 0.900
Then patterns cover at least 128 MiB in the guest's memory 3.270 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
And I wait 20 seconds 20.020 
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 890 MiB reference memory)
After features/support/hooks.rb:305 3.500
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:2.315
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 6:15.332
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.354
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 2.171 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:305 3.549
After features/support/hooks.rb:89 0.009