Project Number Date
test_Tails_ISO_stable 4682 26 Feb 2024, 12:25

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 14:22.160 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
18.669
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.736
And I prepare Tails for memory erasure tests 0.497
When I start a process allocating 128 MiB of memory with a known pattern 2.327
Then patterns cover at least 128 MiB in the guest's memory 3.530 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.794
Then I find very few patterns in the guest's memory 3.782 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
After features/support/hooks.rb:291 2.099
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:1.435
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.601
And I prepare Tails for memory erasure tests 0.481
And I find very few patterns in the guest's memory 4.424 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 38.504
Then patterns cover at least 99% of the test FS size in the guest's memory 4.437 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.285
Then I find very few patterns in the guest's memory 3.700 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
After features/support/hooks.rb:291 1.067
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:0.805
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.617
And I prepare Tails for memory erasure tests 0.485
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.955
Then I find very few patterns in the guest's memory 3.911 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:22.200
Then patterns cover at least 86% of the test FS size in the guest's memory 3.683 
Pattern coverage: 96.102% (119 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory 6.647 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# read cache
When I mount the USB drive again 0.485
And I read the content of the test FS 0.885
Then patterns cover at least 99% of the test FS size in the guest's memory 3.387 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.373
Then I find very few patterns in the guest's memory 3.712 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.718
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:51.396
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.052
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 23.733
Then I find very few patterns in the guest's memory 4.001 
Pattern coverage: 0.000% (0 MiB out of 1189 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:52.838
Then patterns cover at least 99% of the test FS size in the guest's memory 2.807 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.010
Then I find very few patterns in the guest's memory 3.426 
Pattern coverage: 0.000% (0 MiB out of 1189 MiB reference memory)
# read cache
When I mount the USB drive again 6.449
And I read the content of the test FS 0.570
Then patterns cover at least 99% of the test FS size in the guest's memory 3.275 
Pattern coverage: 108.661% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.477
Then I find very few patterns in the guest's memory 4.253 
Pattern coverage: 0.000% (0 MiB out of 1189 MiB reference memory)
After features/support/hooks.rb:291 1.167
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
51.006
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.161
And I prepare Tails for memory erasure tests 0.754
When I fill a 128 MiB file with a known pattern on the root filesystem 11.718
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.526
Then patterns cover at least 128 MiB in the guest's memory 5.491 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 1.409
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.924 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
After features/support/hooks.rb:291 3.455
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:18.848
Before features/support/hooks.rb:245 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:33.308
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 21.979
When I trigger shutdown 0.397
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.673 
Pattern coverage: 0.000% (0 MiB out of 1156 MiB reference memory)
After features/support/hooks.rb:291 3.489
After features/support/hooks.rb:75 0.012