Project Number Date
test_Tails_ISO_devel 3482 16 Aug 2024, 12:57

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 12:38.882 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
21.010
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.738
And I prepare Tails for memory erasure tests 0.520
When I start a process allocating 128 MiB of memory with a known pattern 1.328
Then patterns cover at least 128 MiB in the guest's memory 3.736 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.716
Then I find very few patterns in the guest's memory after 3 seconds 5.969 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 0.813
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.999
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.079
And I prepare Tails for memory erasure tests 0.502
And I find very few patterns in the guest's memory 3.063 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.620
Then patterns cover at least 99% of the test FS size in the guest's memory 4.357 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.568
Then I find very few patterns in the guest's memory after 3 seconds 6.807 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 1.511
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.960
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 0.467
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.111
Then I find very few patterns in the guest's memory 3.942 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.977
Then patterns cover at least 75% of the test FS size in the guest's memory 4.435 
Pattern coverage: 87.773% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 6.083
Then I find very few patterns in the guest's memory after 3 seconds 6.753 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 0.243
And I read the content of the test FS 0.558
Then patterns cover at least 99% of the test FS size in the guest's memory 4.157 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.546
Then I find very few patterns in the guest's memory after 3 seconds 6.485 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.351
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.609
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.395
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.431
Then I find very few patterns in the guest's memory 3.245 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.012
Then patterns cover at least 99% of the test FS size in the guest's memory 3.949 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.438
Then I find very few patterns in the guest's memory after 3 seconds 6.059 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 6.049
And I read the content of the test FS 0.462
Then patterns cover at least 99% of the test FS size in the guest's memory 3.748 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.567
Then I find very few patterns in the guest's memory after 3 seconds 5.780 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.450
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.015
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.918
And I prepare Tails for memory erasure tests 0.502
When I fill a 128 MiB file with a known pattern on the root filesystem 17.168
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.953
Then patterns cover at least 128 MiB in the guest's memory 2.691 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.764 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.478
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:36.286
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 7:48.236
And I prepare Tails for memory erasure tests 0.602
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.037
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.393 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.568
After features/support/hooks.rb:100 0.012