Project Number Date
test_Tails_ISO_stable 4723 18 Mar 2024, 12:10

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 10:4.939 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
21.645
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.720
And I prepare Tails for memory erasure tests 0.463
When I start a process allocating 128 MiB of memory with a known pattern 1.289
Then patterns cover at least 128 MiB in the guest's memory 4.523 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.785
Then I find very few patterns in the guest's memory 4.863 
Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)
After features/support/hooks.rb:291 0.875
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
24.109
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.436
And I prepare Tails for memory erasure tests 0.415
And I find very few patterns in the guest's memory 4.523 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.550
Then patterns cover at least 99% of the test FS size in the guest's memory 4.080 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.434
Then I find very few patterns in the guest's memory 4.668 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:291 0.692
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
44.519
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.199
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.876
Then I find very few patterns in the guest's memory 4.203 
Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.280
Then patterns cover at least 86% of the test FS size in the guest's memory 4.334 
Pattern coverage: 96.804% (123 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.143
Then I find very few patterns in the guest's memory 4.404 
Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)
# read cache
When I mount the USB drive again 0.549
And I read the content of the test FS 0.902
Then patterns cover at least 99% of the test FS size in the guest's memory 4.373 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.612
Then I find very few patterns in the guest's memory 4.259 
Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)
After features/support/hooks.rb:291 0.858
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:5.875
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.692
And I prepare Tails for memory erasure tests 0.555
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.497
Then I find very few patterns in the guest's memory 4.121 
Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.581
Then patterns cover at least 99% of the test FS size in the guest's memory 3.542 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.633
Then I find very few patterns in the guest's memory 4.117 
Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)
# read cache
When I mount the USB drive again 4.225
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 2.874 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.093
Then I find very few patterns in the guest's memory 3.339 
Pattern coverage: 0.000% (0 MiB out of 935 MiB reference memory)
After features/support/hooks.rb:291 0.836
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
47.436
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.167
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 12.884
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.413
Then patterns cover at least 128 MiB in the guest's memory 2.678 
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 1.821 
Pattern coverage: 0.000% (0 MiB out of 937 MiB reference memory)
After features/support/hooks.rb:291 3.484
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:41.352
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:57.717
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.008
When I trigger shutdown 0.015
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.172 
Pattern coverage: 0.000% (0 MiB out of 953 MiB reference memory)
After features/support/hooks.rb:291 3.541
After features/support/hooks.rb:75 0.015