Project Number Date
test_Tails_ISO_devel 3696 17 Feb 2025, 13:06

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 12:15.261 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
26.854
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.542
And I prepare Tails for memory erasure tests 0.522
When I start a process allocating 128 MiB of memory with a known pattern 4.033
Then patterns cover at least 128 MiB in the guest's memory 4.365 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.450
Then I find very few patterns in the guest's memory after 5 seconds 8.940 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.892
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.522
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.105
And I prepare Tails for memory erasure tests 0.513
And I find very few patterns in the guest's memory 3.813 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.548
Then patterns cover at least 99% of the test FS size in the guest's memory 3.997 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.917
Then I find very few patterns in the guest's memory after 3 seconds 6.626 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.268
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.913
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.502
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.175
Then I find very few patterns in the guest's memory 3.995 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.699
Then patterns cover at least 75% of the test FS size in the guest's memory 4.134 
Pattern coverage: 89.380% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.565
Then I find very few patterns in the guest's memory after 3 seconds 6.634 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.245
And I read the content of the test FS 2.240
Then patterns cover at least 99% of the test FS size in the guest's memory 8.203 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.789
Then I find very few patterns in the guest's memory after 3 seconds 10.286 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.003
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:33.334
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.787
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.661
Then I find very few patterns in the guest's memory 7.196 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.278
Then patterns cover at least 99% of the test FS size in the guest's memory 6.543 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.997
Then I find very few patterns in the guest's memory after 3 seconds 6.386 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 6.581
And I read the content of the test FS 0.644
Then patterns cover at least 99% of the test FS size in the guest's memory 3.629 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.879
Then I find very few patterns in the guest's memory after 3 seconds 6.251 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.387
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.673
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the root filesystem 16.271
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.131
Then patterns cover at least 128 MiB in the guest's memory 3.009 
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 20.842 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:55.248
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 7:7.835
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.625
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.344 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.569
After features/support/hooks.rb:100 0.012