Project Number Date
test_Tails_ISO_stable 4623 18 Jan 2024, 12:15

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 14:18.400 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
19.972
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.787
And I prepare Tails for memory erasure tests 0.631
When I start a process allocating 128 MiB of memory with a known pattern 2.275
Then patterns cover at least 128 MiB in the guest's memory 4.324 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.319
Then I find very few patterns in the guest's memory 4.634 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
After features/support/hooks.rb:291 0.771
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:2.586
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.709
And I prepare Tails for memory erasure tests 0.638
And I find very few patterns in the guest's memory 4.547 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 40.696
Then patterns cover at least 99% of the test FS size in the guest's memory 3.965 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.276
Then I find very few patterns in the guest's memory 4.751 
Pattern coverage: 0.000% (0 MiB out of 1219 MiB reference memory)
After features/support/hooks.rb:291 0.815
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:25.125
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.339
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.088
Then I find very few patterns in the guest's memory 4.674 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:44.473
Then patterns cover at least 86% of the test FS size in the guest's memory 4.276 
Pattern coverage: 95.130% (118 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.485
Then I find very few patterns in the guest's memory 4.128 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# read cache
When I mount the USB drive again 0.363
And I read the content of the test FS 0.633
Then patterns cover at least 99% of the test FS size in the guest's memory 4.173 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.269
Then I find very few patterns in the guest's memory 4.719 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.933
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:36.186
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.032
And I prepare Tails for memory erasure tests 0.605
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.512
Then I find very few patterns in the guest's memory 3.650 
Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:39.101
Then patterns cover at least 99% of the test FS size in the guest's memory 3.838 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory 4.064 
Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)
# read cache
When I mount the USB drive again 4.685
And I read the content of the test FS 0.559
Then patterns cover at least 99% of the test FS size in the guest's memory 3.820 
Pattern coverage: 108.662% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.500
Then I find very few patterns in the guest's memory 4.149 
Pattern coverage: 0.000% (0 MiB out of 1216 MiB reference memory)
After features/support/hooks.rb:291 1.250
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
47.186
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.124
And I prepare Tails for memory erasure tests 0.640
When I fill a 128 MiB file with a known pattern on the root filesystem 11.139
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.340
Then patterns cover at least 128 MiB in the guest's memory 3.182 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.763
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.976 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
After features/support/hooks.rb:291 3.494
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:7.343
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 5:22.692
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.499
When I trigger shutdown 0.368
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.315 
Pattern coverage: 0.000% (0 MiB out of 1187 MiB reference memory)
After features/support/hooks.rb:291 3.542
After features/support/hooks.rb:75 0.013