Project Number Date
test_Tails_ISO_stable 4628 22 Jan 2024, 15:46

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 14:29.707 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
18.500
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.983
And I prepare Tails for memory erasure tests 0.585
When I start a process allocating 128 MiB of memory with a known pattern 2.332
Then patterns cover at least 128 MiB in the guest's memory 3.331 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.255
Then I find very few patterns in the guest's memory 4.011 
Pattern coverage: 0.000% (0 MiB out of 1225 MiB reference memory)
After features/support/hooks.rb:291 0.695
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:0.383
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.912
And I prepare Tails for memory erasure tests 0.595
And I find very few patterns in the guest's memory 3.640 
Pattern coverage: 0.000% (0 MiB out of 1222 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.251
Then patterns cover at least 99% of the test FS size in the guest's memory 4.184 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.424
Then I find very few patterns in the guest's memory 4.373 
Pattern coverage: 0.000% (0 MiB out of 1222 MiB reference memory)
After features/support/hooks.rb:291 1.101
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:15.139
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.254
And I prepare Tails for memory erasure tests 0.726
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.928
Then I find very few patterns in the guest's memory 4.808 
Pattern coverage: 0.000% (0 MiB out of 1226 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:31.631
Then patterns cover at least 86% of the test FS size in the guest's memory 3.432 
Pattern coverage: 94.839% (118 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.528
Then I find very few patterns in the guest's memory 3.616 
Pattern coverage: 0.000% (0 MiB out of 1226 MiB reference memory)
# read cache
When I mount the USB drive again 0.239
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 3.118 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 4.786
Then I find very few patterns in the guest's memory 4.529 
Pattern coverage: 0.000% (0 MiB out of 1226 MiB reference memory)
After features/support/hooks.rb:291 0.849
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:49.775
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.893
And I prepare Tails for memory erasure tests 0.589
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.974
Then I find very few patterns in the guest's memory 5.215 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:45.385
Then patterns cover at least 99% of the test FS size in the guest's memory 2.686 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.925
Then I find very few patterns in the guest's memory 3.698 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
# read cache
When I mount the USB drive again 10.309
And I read the content of the test FS 0.448
Then patterns cover at least 99% of the test FS size in the guest's memory 3.262 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory 3.970 
Pattern coverage: 0.000% (0 MiB out of 1224 MiB reference memory)
After features/support/hooks.rb:291 0.938
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
51.845
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.099
And I prepare Tails for memory erasure tests 0.583
When I fill a 128 MiB file with a known pattern on the root filesystem 16.235
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.563
Then patterns cover at least 128 MiB in the guest's memory 2.633 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.839
And I wait 20 seconds 20.003 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.888 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
After features/support/hooks.rb:291 3.427
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:14.064
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:25.551
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.449
When I trigger shutdown 0.407
And I wait 20 seconds 20.016 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.168 
Pattern coverage: 0.000% (0 MiB out of 1186 MiB reference memory)
After features/support/hooks.rb:291 3.491
After features/support/hooks.rb:75 0.010