Project Number Date
test_Tails_ISO_stable 5304 29 Nov 2024, 12:50

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 11:45.542 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
21.284
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.237
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 2.470
Then patterns cover at least 128 MiB in the guest's memory 3.726 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.670
Then I find very few patterns in the guest's memory after 3 seconds 5.737 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.937
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.609
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.355
And I prepare Tails for memory erasure tests 0.375
And I find very few patterns in the guest's memory 2.852 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.126
Then patterns cover at least 99% of the test FS size in the guest's memory 4.014 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.035
Then I find very few patterns in the guest's memory after 3 seconds 6.849 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.994
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.489
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.096
And I prepare Tails for memory erasure tests 0.401
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.244
Then I find very few patterns in the guest's memory 3.691 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.271
Then patterns cover at least 75% of the test FS size in the guest's memory 4.139 
Pattern coverage: 88.838% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.139
Then I find very few patterns in the guest's memory after 3 seconds 6.453 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.294
And I read the content of the test FS 0.993
Then patterns cover at least 99% of the test FS size in the guest's memory 4.062 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.849
Then I find very few patterns in the guest's memory after 3 seconds 6.852 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 2.214
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.154
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.703
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.597
Then I find very few patterns in the guest's memory 3.265 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.601
Then patterns cover at least 99% of the test FS size in the guest's memory 3.560 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 7.799
Then I find very few patterns in the guest's memory after 3 seconds 6.003 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 5.476
And I read the content of the test FS 0.455
Then patterns cover at least 99% of the test FS size in the guest's memory 3.478 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.877
Then I find very few patterns in the guest's memory after 3 seconds 5.938 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 1.475
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.641
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.200
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the root filesystem 18.421
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.218
Then patterns cover at least 128 MiB in the guest's memory 3.457 
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 20.873 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.481
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:46.362
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:55.668
And I prepare Tails for memory erasure tests 0.641
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.621
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.419 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.774
After features/support/hooks.rb:100 0.015