Project Number Date
test_Tails_ISO_stable 4625 19 Jan 2024, 13:33

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 14:12.083 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
19.334
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.200
And I prepare Tails for memory erasure tests 0.487
When I start a process allocating 128 MiB of memory with a known pattern 2.381
Then patterns cover at least 128 MiB in the guest's memory 3.801 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.498
Then I find very few patterns in the guest's memory 3.965 
Pattern coverage: 0.000% (0 MiB out of 1214 MiB reference memory)
After features/support/hooks.rb:291 0.928
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:0.759
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.581
And I prepare Tails for memory erasure tests 0.513
And I find very few patterns in the guest's memory 3.690 
Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.725
Then patterns cover at least 99% of the test FS size in the guest's memory 3.450 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.268
Then I find very few patterns in the guest's memory 4.530 
Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)
After features/support/hooks.rb:291 1.793
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:17.471
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.857
And I prepare Tails for memory erasure tests 0.539
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.835
Then I find very few patterns in the guest's memory 4.504 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:37.895
Then patterns cover at least 86% of the test FS size in the guest's memory 3.259 
Pattern coverage: 100.162% (124 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory 4.124 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
# read cache
When I mount the USB drive again 0.628
And I read the content of the test FS 0.988
Then patterns cover at least 99% of the test FS size in the guest's memory 3.957 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 1.074
Then I find very few patterns in the guest's memory 4.080 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
After features/support/hooks.rb:291 0.938
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:40.205
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.581
And I prepare Tails for memory erasure tests 0.522
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.927
Then I find very few patterns in the guest's memory 4.006 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:39.706
Then patterns cover at least 99% of the test FS size in the guest's memory 2.813 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.916
Then I find very few patterns in the guest's memory 4.160 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
# read cache
When I mount the USB drive again 4.341
And I read the content of the test FS 0.614
Then patterns cover at least 99% of the test FS size in the guest's memory 3.004 
Pattern coverage: 108.662% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.594
Then I find very few patterns in the guest's memory 4.014 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
After features/support/hooks.rb:291 0.886
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.854
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.220
And I prepare Tails for memory erasure tests 0.518
When I fill a 128 MiB file with a known pattern on the root filesystem 14.477
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.468
Then patterns cover at least 128 MiB in the guest's memory 2.565 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.609
And I wait 20 seconds 20.001 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.993 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
After features/support/hooks.rb:291 3.482
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:4.458
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:16.255
And I prepare Tails for memory erasure tests 0.526
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.092
When I trigger shutdown 0.411
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.151 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
After features/support/hooks.rb:291 3.548
After features/support/hooks.rb:75 0.013