Project Number Date
test_Tails_ISO_stable 4787 14 Apr 2024, 11:54

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 9:57.256 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
19.353
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.005
And I prepare Tails for memory erasure tests 0.441
When I start a process allocating 128 MiB of memory with a known pattern 1.197
Then patterns cover at least 128 MiB in the guest's memory 4.469 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.047
Then I find very few patterns in the guest's memory 4.191 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:305 0.691
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
24.942
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.158
And I prepare Tails for memory erasure tests 0.398
And I find very few patterns in the guest's memory 4.557 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.942
Then patterns cover at least 99% of the test FS size in the guest's memory 4.207 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.538
Then I find very few patterns in the guest's memory 4.139 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:305 0.753
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
39.606
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.257
And I prepare Tails for memory erasure tests 0.377
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.068
Then I find very few patterns in the guest's memory 3.767 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.856
Then patterns cover at least 86% of the test FS size in the guest's memory 3.356 
Pattern coverage: 86.594% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.095
Then I find very few patterns in the guest's memory 3.526 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.303
And I read the content of the test FS 0.846
Then patterns cover at least 99% of the test FS size in the guest's memory 3.533 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.308
Then I find very few patterns in the guest's memory 4.309 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:305 0.686
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:11.534
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 7.915
And I prepare Tails for memory erasure tests 0.383
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.509
Then I find very few patterns in the guest's memory 3.843 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.020
Then patterns cover at least 99% of the test FS size in the guest's memory 3.545 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.704
Then I find very few patterns in the guest's memory 3.973 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 9.469
And I read the content of the test FS 0.353
Then patterns cover at least 99% of the test FS size in the guest's memory 3.391 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.500
Then I find very few patterns in the guest's memory 3.924 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:305 1.048
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
48.714
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.187
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the root filesystem 14.971
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 0.997
Then patterns cover at least 128 MiB in the guest's memory 2.366 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.767 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:305 3.542
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
6:33.104
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 5:51.163
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.322
When I trigger shutdown 0.010
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.197 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:305 3.500
After features/support/hooks.rb:89 0.013