Project Number Date
test_Tails_ISO_stable 5093 11 Sep 2024, 15:29

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 12:23.495 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
23.306
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.505
And I prepare Tails for memory erasure tests 0.436
When I start a process allocating 128 MiB of memory with a known pattern 2.348
Then patterns cover at least 128 MiB in the guest's memory 4.194 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.601
Then I find very few patterns in the guest's memory after 3 seconds 6.219 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.703
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.496
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.736
And I prepare Tails for memory erasure tests 0.412
And I find very few patterns in the guest's memory 3.546 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.997
Then patterns cover at least 99% of the test FS size in the guest's memory 4.186 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.983
Then I find very few patterns in the guest's memory after 3 seconds 6.633 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.011
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.565
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.153
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.266
Then I find very few patterns in the guest's memory 3.893 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.849
Then patterns cover at least 75% of the test FS size in the guest's memory 4.384 
Pattern coverage: 89.460% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.429
Then I find very few patterns in the guest's memory after 3 seconds 6.553 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 1.310
And I read the content of the test FS 2.548
Then patterns cover at least 99% of the test FS size in the guest's memory 4.112 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.881
Then I find very few patterns in the guest's memory after 3 seconds 6.769 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.281
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.828
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.292
Then I find very few patterns in the guest's memory 2.690 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.987
Then patterns cover at least 99% of the test FS size in the guest's memory 3.001 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.029
Then I find very few patterns in the guest's memory after 3 seconds 5.438 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 6.591
And I read the content of the test FS 0.535
Then patterns cover at least 99% of the test FS size in the guest's memory 3.570 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.768
Then I find very few patterns in the guest's memory after 3 seconds 6.059 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.839
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.932
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.113
And I prepare Tails for memory erasure tests 0.606
When I fill a 128 MiB file with a known pattern on the root filesystem 15.827
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.106
Then patterns cover at least 128 MiB in the guest's memory 3.253 
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 21.009 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.561
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:26.913
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 7:40.910
And I prepare Tails for memory erasure tests 0.512
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.997
When I trigger shutdown 0.029
Then I find very few patterns in the guest's memory after 20 seconds 21.463 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.011