Project Number Date
test_Tails_ISO_stable 5188 16 Oct 2024, 17:45

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 10:48.545 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
21.841
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.229
And I prepare Tails for memory erasure tests 0.424
When I start a process allocating 128 MiB of memory with a known pattern 2.380
Then patterns cover at least 128 MiB in the guest's memory 4.169 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.936
Then I find very few patterns in the guest's memory after 3 seconds 5.700 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.691
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.627
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.944
And I prepare Tails for memory erasure tests 0.449
And I find very few patterns in the guest's memory 3.138 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.995
Then patterns cover at least 99% of the test FS size in the guest's memory 3.783 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.089
Then I find very few patterns in the guest's memory after 3 seconds 6.225 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.722
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.692
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.897
And I prepare Tails for memory erasure tests 0.373
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.052
Then I find very few patterns in the guest's memory 3.941 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.516
Then patterns cover at least 75% of the test FS size in the guest's memory 4.265 
Pattern coverage: 86.846% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.380
Then I find very few patterns in the guest's memory after 3 seconds 6.116 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.431
And I read the content of the test FS 0.575
Then patterns cover at least 99% of the test FS size in the guest's memory 3.636 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.773
Then I find very few patterns in the guest's memory after 3 seconds 5.731 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 2.203
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.062
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.185
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.601
Then I find very few patterns in the guest's memory 2.839 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.139
Then patterns cover at least 99% of the test FS size in the guest's memory 3.180 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.172
Then I find very few patterns in the guest's memory after 3 seconds 5.652 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 6.108
And I read the content of the test FS 0.621
Then patterns cover at least 99% of the test FS size in the guest's memory 3.339 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.095
Then I find very few patterns in the guest's memory after 3 seconds 5.716 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.777
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.250
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.071
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 16.713
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.255
Then patterns cover at least 128 MiB in the guest's memory 2.886 
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 20.809 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:7.071
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 6:21.706
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.640
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.260 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 3.600
After features/support/hooks.rb:100 0.015