Project Number Date
test_Tails_ISO_stable 5342 17 Dec 2024, 18:52

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 12:7.080 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
23.701
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.761
And I prepare Tails for memory erasure tests 0.467
When I start a process allocating 128 MiB of memory with a known pattern 2.403
Then patterns cover at least 128 MiB in the guest's memory 4.332 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.405
Then I find very few patterns in the guest's memory after 3 seconds 7.331 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 1.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.933
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 10.299
And I prepare Tails for memory erasure tests 0.424
And I find very few patterns in the guest's memory 4.357 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.647
Then patterns cover at least 99% of the test FS size in the guest's memory 4.656 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.827
Then I find very few patterns in the guest's memory after 3 seconds 11.720 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 1.092
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.003
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.682
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.029
Then I find very few patterns in the guest's memory 3.384 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.759
Then patterns cover at least 75% of the test FS size in the guest's memory 3.911 
Pattern coverage: 91.624% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.495
Then I find very few patterns in the guest's memory after 3 seconds 6.667 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.366
And I read the content of the test FS 0.645
Then patterns cover at least 99% of the test FS size in the guest's memory 4.418 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.586
Then I find very few patterns in the guest's memory after 3 seconds 6.572 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.086
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.559
And I prepare Tails for memory erasure tests 1.765
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.332
Then I find very few patterns in the guest's memory 3.406 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.103
Then patterns cover at least 99% of the test FS size in the guest's memory 3.667 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.240
Then I find very few patterns in the guest's memory after 3 seconds 6.120 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 6.137
And I read the content of the test FS 0.673
Then patterns cover at least 99% of the test FS size in the guest's memory 5.272 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.879
Then I find very few patterns in the guest's memory after 3 seconds 5.928 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.014
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.988
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.131
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 15.154
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.872
Then patterns cover at least 128 MiB in the guest's memory 3.244 
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 21.155 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.553
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.366
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 7:17.016
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.474
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.464 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 3.512
After features/support/hooks.rb:100 0.009