Project Number Date
test_Tails_ISO_devel 3359 21 Apr 2024, 12:24

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 12:7.393 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
29.676
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.217
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 2.488
Then patterns cover at least 128 MiB in the guest's memory 3.611 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 9.101
Then I find very few patterns in the guest's memory 4.804 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:305 1.432
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
23.420
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.274
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 3.817 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.476
Then patterns cover at least 99% of the test FS size in the guest's memory 3.321 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.230
Then I find very few patterns in the guest's memory 3.884 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:305 1.710
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
47.178
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.330
And I prepare Tails for memory erasure tests 0.397
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.211
Then I find very few patterns in the guest's memory 3.787 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.874
Then patterns cover at least 86% of the test FS size in the guest's memory 3.775 
Pattern coverage: 88.691% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.653
Then I find very few patterns in the guest's memory 3.888 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 0.358
And I read the content of the test FS 0.831
Then patterns cover at least 99% of the test FS size in the guest's memory 4.125 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.637
Then I find very few patterns in the guest's memory 4.307 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:305 0.979
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:25.091
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.368
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.706
Then I find very few patterns in the guest's memory 3.705 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.165
Then patterns cover at least 99% of the test FS size in the guest's memory 2.880 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 14.968
Then I find very few patterns in the guest's memory 3.362 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 5.370
And I read the content of the test FS 0.501
Then patterns cover at least 99% of the test FS size in the guest's memory 2.828 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.168
Then I find very few patterns in the guest's memory 3.551 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:305 0.966
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
51.033
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.299
And I prepare Tails for memory erasure tests 0.466
When I fill a 128 MiB file with a known pattern on the root filesystem 15.937
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.866
Then patterns cover at least 128 MiB in the guest's memory 2.635 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
And I wait 20 seconds 20.018 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.798 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:305 3.549
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
8:10.991
Before features/support/hooks.rb:259 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:24.494
And I prepare Tails for memory erasure tests 0.422
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.781
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.261 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:305 3.528
After features/support/hooks.rb:89 0.013