Project Number Date
test_Tails_ISO_stable 4856 28 May 2024, 14:01

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 11:37.246 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
21.321
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.036
And I prepare Tails for memory erasure tests 0.538
When I start a process allocating 128 MiB of memory with a known pattern 2.380
Then patterns cover at least 128 MiB in the guest's memory 4.026 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.529
Then I find very few patterns in the guest's memory 4.810 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:305 0.801
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
24.246
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.245
And I prepare Tails for memory erasure tests 0.393
And I find very few patterns in the guest's memory 4.263 
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 1.992
Then patterns cover at least 99% of the test FS size in the guest's memory 3.945 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.916
Then I find very few patterns in the guest's memory 4.489 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:305 0.763
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
49.628
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.444
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.323
Then I find very few patterns in the guest's memory 4.571 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.036
Then patterns cover at least 86% of the test FS size in the guest's memory 3.706 
Pattern coverage: 90.164% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.600
Then I find very few patterns in the guest's memory 4.666 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.657
And I read the content of the test FS 1.311
Then patterns cover at least 99% of the test FS size in the guest's memory 4.416 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.825
Then I find very few patterns in the guest's memory 4.641 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:305 0.888
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:10.182
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.535
And I prepare Tails for memory erasure tests 0.373
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.168
Then I find very few patterns in the guest's memory 3.920 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.938
Then patterns cover at least 99% of the test FS size in the guest's memory 3.244 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.934
Then I find very few patterns in the guest's memory 3.653 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 4.651
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 3.778 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.656
Then I find very few patterns in the guest's memory 3.860 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:305 0.902
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
50.319
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.039
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the root filesystem 15.215
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.867
Then patterns cover at least 128 MiB in the guest's memory 2.937 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.812 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:305 3.508
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
8:1.547
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:16.317
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.597
When I trigger shutdown 0.011
And I wait 20 seconds 20.007 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.217 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:305 3.481
After features/support/hooks.rb:89 0.010