Project Number Date
test_Tails_ISO_stable 5084 09 Sep 2024, 12:39

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 11:23.104 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
22.747
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.176
And I prepare Tails for memory erasure tests 0.383
When I start a process allocating 128 MiB of memory with a known pattern 2.272
Then patterns cover at least 128 MiB in the guest's memory 3.714 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.926
Then I find very few patterns in the guest's memory after 3 seconds 6.273 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.969
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.311
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.077
And I prepare Tails for memory erasure tests 0.437
And I find very few patterns in the guest's memory 3.266 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.131
Then patterns cover at least 99% of the test FS size in the guest's memory 3.744 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.181
Then I find very few patterns in the guest's memory after 3 seconds 6.472 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.990
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.311
And I prepare Tails for memory erasure tests 0.372
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.271
Then I find very few patterns in the guest's memory 4.163 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.723
Then patterns cover at least 75% of the test FS size in the guest's memory 4.357 
Pattern coverage: 88.744% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.584
Then I find very few patterns in the guest's memory after 3 seconds 7.158 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.306
And I read the content of the test FS 0.616
Then patterns cover at least 99% of the test FS size in the guest's memory 4.567 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.497
Then I find very few patterns in the guest's memory after 3 seconds 6.060 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.930
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.057
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.134
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.545
Then I find very few patterns in the guest's memory 2.874 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.313
Then patterns cover at least 99% of the test FS size in the guest's memory 3.481 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.073
Then I find very few patterns in the guest's memory after 3 seconds 5.880 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 5.645
And I read the content of the test FS 0.465
Then patterns cover at least 99% of the test FS size in the guest's memory 3.549 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.755
Then I find very few patterns in the guest's memory after 3 seconds 5.937 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.804
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.308
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.168
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the root filesystem 18.595
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.809
Then patterns cover at least 128 MiB in the guest's memory 4.451 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.873 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:29.690
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 6:45.750
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.331
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.181 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.015