Project Number Date
test_Tails_ISO_devel 3474 11 Aug 2024, 12:59

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 11:38.252 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
25.680
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.001
And I prepare Tails for memory erasure tests 0.459
When I start a process allocating 128 MiB of memory with a known pattern 2.604
Then patterns cover at least 128 MiB in the guest's memory 6.807 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.059
Then I find very few patterns in the guest's memory after 3 seconds 5.747 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.868
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.269
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.367
And I prepare Tails for memory erasure tests 0.515
And I find very few patterns in the guest's memory 3.614 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.255
Then patterns cover at least 99% of the test FS size in the guest's memory 4.073 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.830
Then I find very few patterns in the guest's memory after 3 seconds 6.612 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.818
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.392
And I prepare Tails for memory erasure tests 0.453
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.199
Then I find very few patterns in the guest's memory 3.955 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.981
Then patterns cover at least 75% of the test FS size in the guest's memory 4.274 
Pattern coverage: 92.004% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.588
Then I find very few patterns in the guest's memory after 3 seconds 6.353 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.319
And I read the content of the test FS 0.511
Then patterns cover at least 99% of the test FS size in the guest's memory 3.375 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.113
Then I find very few patterns in the guest's memory after 3 seconds 6.298 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 4.245
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.383
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.513
And I prepare Tails for memory erasure tests 0.962
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.443
Then I find very few patterns in the guest's memory 2.445 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.110
Then patterns cover at least 99% of the test FS size in the guest's memory 2.707 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.226
Then I find very few patterns in the guest's memory after 3 seconds 5.396 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 6.029
And I read the content of the test FS 0.400
Then patterns cover at least 99% of the test FS size in the guest's memory 2.756 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.636
Then I find very few patterns in the guest's memory after 3 seconds 5.755 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.961
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.165
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.370
And I prepare Tails for memory erasure tests 0.478
When I fill a 128 MiB file with a known pattern on the root filesystem 18.525
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.368
Then patterns cover at least 128 MiB in the guest's memory 2.622 
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 20.786 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.535
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:42.935
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 6:59.767
And I prepare Tails for memory erasure tests 0.424
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.825
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.904 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.011