Project Number Date
test_Tails_ISO_devel 3582 09 Nov 2024, 12:17

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 10:50.836 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
22.048
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.803
And I prepare Tails for memory erasure tests 0.375
When I start a process allocating 128 MiB of memory with a known pattern 2.368
Then patterns cover at least 128 MiB in the guest's memory 3.894 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.273
Then I find very few patterns in the guest's memory after 3 seconds 6.333 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.840
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.410
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.797
And I prepare Tails for memory erasure tests 0.390
And I find very few patterns in the guest's memory 3.227 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.727
Then patterns cover at least 99% of the test FS size in the guest's memory 3.658 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.526
Then I find very few patterns in the guest's memory after 3 seconds 6.082 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.046
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.760
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.831
And I prepare Tails for memory erasure tests 0.399
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.027
Then I find very few patterns in the guest's memory 2.864 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.374
Then patterns cover at least 75% of the test FS size in the guest's memory 3.590 
Pattern coverage: 87.565% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.471
Then I find very few patterns in the guest's memory after 3 seconds 6.112 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.221
And I read the content of the test FS 0.532
Then patterns cover at least 99% of the test FS size in the guest's memory 3.694 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.568
Then I find very few patterns in the guest's memory after 3 seconds 6.070 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.263
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.597
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.874
And I prepare Tails for memory erasure tests 0.419
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.176
Then I find very few patterns in the guest's memory 2.812 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.638
Then patterns cover at least 99% of the test FS size in the guest's memory 3.082 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.838
Then I find very few patterns in the guest's memory after 3 seconds 5.697 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 5.473
And I read the content of the test FS 0.537
Then patterns cover at least 99% of the test FS size in the guest's memory 2.947 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.622
Then I find very few patterns in the guest's memory after 3 seconds 5.475 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.623
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.786
And I prepare Tails for memory erasure tests 0.374
When I fill a 128 MiB file with a known pattern on the root filesystem 15.529
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.264
Then patterns cover at least 128 MiB in the guest's memory 2.832 
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 20.822 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.396
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 6:37.616
And I prepare Tails for memory erasure tests 0.470
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.164
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.129 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.014