Project Number Date
test_Tails_ISO_devel 3624 27 Dec 2024, 12:28

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 11:30.392 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
21.610
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.960
And I prepare Tails for memory erasure tests 0.371
When I start a process allocating 128 MiB of memory with a known pattern 3.686
Then patterns cover at least 128 MiB in the guest's memory 3.259 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.296
Then I find very few patterns in the guest's memory after 3 seconds 6.036 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.734
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.972
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 3.491 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.007
Then patterns cover at least 99% of the test FS size in the guest's memory 3.883 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.590
Then I find very few patterns in the guest's memory after 3 seconds 6.372 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.261
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.415
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.985
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.012
Then I find very few patterns in the guest's memory 3.782 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.262
Then patterns cover at least 75% of the test FS size in the guest's memory 4.222 
Pattern coverage: 89.490% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.299
Then I find very few patterns in the guest's memory after 3 seconds 6.440 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.251
And I read the content of the test FS 0.969
Then patterns cover at least 99% of the test FS size in the guest's memory 4.105 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 6.162 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.818
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.814
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.944
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.421
Then I find very few patterns in the guest's memory 2.755 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.864
Then patterns cover at least 99% of the test FS size in the guest's memory 2.630 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.914
Then I find very few patterns in the guest's memory after 3 seconds 5.623 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 5.705
And I read the content of the test FS 0.382
Then patterns cover at least 99% of the test FS size in the guest's memory 2.785 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.100
Then I find very few patterns in the guest's memory after 3 seconds 5.259 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 0.922
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.396
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.967
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the root filesystem 16.355
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.590
Then patterns cover at least 128 MiB in the guest's memory 3.307 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.040
Then I find very few patterns in the guest's memory after 20 seconds 20.713 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.420
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 6:59.213
And I prepare Tails for memory erasure tests 0.507
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.535
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.151 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.520
After features/support/hooks.rb:100 0.012