Project Number Date
test_Tails_ISO_stable 5161 09 Oct 2024, 08:35

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 11:34.771 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
28.101
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.441
And I prepare Tails for memory erasure tests 0.528
When I start a process allocating 128 MiB of memory with a known pattern 2.497
Then patterns cover at least 128 MiB in the guest's memory 6.996 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.409
Then I find very few patterns in the guest's memory after 3 seconds 9.228 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.183
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.584
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.454
And I prepare Tails for memory erasure tests 0.487
And I find very few patterns in the guest's memory 3.383 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.079
Then patterns cover at least 99% of the test FS size in the guest's memory 3.862 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.675
Then I find very few patterns in the guest's memory after 3 seconds 6.640 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.744
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.981
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.427
And I prepare Tails for memory erasure tests 0.470
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.063
Then I find very few patterns in the guest's memory 3.261 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.470
Then patterns cover at least 75% of the test FS size in the guest's memory 3.378 
Pattern coverage: 87.139% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.477
Then I find very few patterns in the guest's memory after 3 seconds 6.141 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.285
And I read the content of the test FS 0.750
Then patterns cover at least 99% of the test FS size in the guest's memory 3.980 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.640
Then I find very few patterns in the guest's memory after 3 seconds 5.632 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 0.881
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.874
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.886
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.363
Then I find very few patterns in the guest's memory 2.562 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.480
Then patterns cover at least 99% of the test FS size in the guest's memory 2.844 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.503
Then I find very few patterns in the guest's memory after 3 seconds 5.908 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 10.062
And I read the content of the test FS 0.773
Then patterns cover at least 99% of the test FS size in the guest's memory 3.479 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 5.833 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.006
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.235
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.996
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the root filesystem 14.386
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.778
Then patterns cover at least 128 MiB in the guest's memory 2.839 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.759 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 3.482
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:32.993
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 6:50.600
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.809
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.133 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.561
After features/support/hooks.rb:100 0.012