Project Number Date
test_Tails_ISO_stable 4603 06 Jan 2024, 12:33

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 13:33.585 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
20.916
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.554
And I prepare Tails for memory erasure tests 0.790
When I start a process allocating 128 MiB of memory with a known pattern 2.477
Then patterns cover at least 128 MiB in the guest's memory 3.687 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.264
Then I find very few patterns in the guest's memory 4.142 
Pattern coverage: 0.000% (0 MiB out of 1177 MiB reference memory)
After features/support/hooks.rb:291 0.959
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
58.434
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.038
And I prepare Tails for memory erasure tests 0.854
And I find very few patterns in the guest's memory 3.932 
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 38.471
Then patterns cover at least 99% of the test FS size in the guest's memory 3.134 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.280
Then I find very few patterns in the guest's memory 3.723 
Pattern coverage: 0.000% (0 MiB out of 1203 MiB reference memory)
After features/support/hooks.rb:291 0.777
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:1.257
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 11.539
And I prepare Tails for memory erasure tests 0.563
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.935
Then I find very few patterns in the guest's memory 6.802 
Pattern coverage: 0.000% (0 MiB out of 1205 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:17.324
Then patterns cover at least 86% of the test FS size in the guest's memory 3.385 
Pattern coverage: 94.566% (117 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.860
Then I find very few patterns in the guest's memory 4.251 
Pattern coverage: 0.000% (0 MiB out of 1205 MiB reference memory)
# read cache
When I mount the USB drive again 0.317
And I read the content of the test FS 0.880
Then patterns cover at least 99% of the test FS size in the guest's memory 3.818 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.259
Then I find very few patterns in the guest's memory 4.319 
Pattern coverage: 0.000% (0 MiB out of 1205 MiB reference memory)
After features/support/hooks.rb:291 0.822
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:25.131
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 9.048
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.504
Then I find very few patterns in the guest's memory 3.553 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:27.241
Then patterns cover at least 99% of the test FS size in the guest's memory 2.904 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory 3.425 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# read cache
When I mount the USB drive again 6.277
And I read the content of the test FS 0.538
Then patterns cover at least 99% of the test FS size in the guest's memory 2.534 
Pattern coverage: 108.662% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.456
Then I find very few patterns in the guest's memory 3.448 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 3.764
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
50.672
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.426
And I prepare Tails for memory erasure tests 0.601
When I fill a 128 MiB file with a known pattern on the root filesystem 14.911
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.357
Then patterns cover at least 128 MiB in the guest's memory 3.005 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.565
And I wait 20 seconds 20.018 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.784 
Pattern coverage: 0.000% (0 MiB out of 1193 MiB reference memory)
After features/support/hooks.rb:291 3.464
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
5:57.172
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 5:12.411
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.644
When I trigger shutdown 0.336
And I wait 20 seconds 20.015 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.328 
Pattern coverage: 0.000% (0 MiB out of 1197 MiB reference memory)
After features/support/hooks.rb:291 3.439
After features/support/hooks.rb:75 0.010