Project Number Date
test_Tails_ISO_20522-ocr-more 37 22 Jan 2025, 05:26

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:7.622 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
22.620
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.844
And I prepare Tails for memory erasure tests 0.471
When I start a process allocating 128 MiB of memory with a known pattern 1.244
Then patterns cover at least 128 MiB in the guest's memory 3.456 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.808
Then I find very few patterns in the guest's memory after 5 seconds 7.795 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.084
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.484
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.894
And I prepare Tails for memory erasure tests 0.498
And I find very few patterns in the guest's memory 2.873 
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 1.779
Then patterns cover at least 99% of the test FS size in the guest's memory 3.443 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.490
Then I find very few patterns in the guest's memory after 3 seconds 6.504 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.961
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.552
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.896
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.101
Then I find very few patterns in the guest's memory 3.562 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.217
Then patterns cover at least 75% of the test FS size in the guest's memory 3.250 
Pattern coverage: 86.478% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.024
Then I find very few patterns in the guest's memory after 3 seconds 6.265 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.444
And I read the content of the test FS 0.587
Then patterns cover at least 99% of the test FS size in the guest's memory 3.780 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.533
Then I find very few patterns in the guest's memory after 3 seconds 6.451 
Pattern coverage: 0.001% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.498
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.471
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.961
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.222
Then I find very few patterns in the guest's memory 2.654 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.846
Then patterns cover at least 99% of the test FS size in the guest's memory 2.698 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.890
Then I find very few patterns in the guest's memory after 3 seconds 5.415 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 5.065
And I read the content of the test FS 0.451
Then patterns cover at least 99% of the test FS size in the guest's memory 2.642 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.844
Then I find very few patterns in the guest's memory after 3 seconds 5.343 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.834
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.741
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.839
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 16.613
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.752
Then patterns cover at least 128 MiB in the guest's memory 2.348 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.722 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.506
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.751
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:47.630
And I prepare Tails for memory erasure tests 0.807
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.179
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.121 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.518
After features/support/hooks.rb:100 0.012