Project Number Date
test_Tails_ISO_stable 4546 02 Dec 2023, 12:06

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 14:9.875 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
18.684
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.354
And I prepare Tails for memory erasure tests 0.501
When I start a process allocating 128 MiB of memory with a known pattern 2.355
Then patterns cover at least 128 MiB in the guest's memory 3.612 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.260
Then I find very few patterns in the guest's memory 3.600 
Pattern coverage: 0.000% (0 MiB out of 1222 MiB reference memory)
After features/support/hooks.rb:291 0.674
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:5.304
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.118
And I prepare Tails for memory erasure tests 0.690
And I find very few patterns in the guest's memory 3.912 
Pattern coverage: 0.000% (0 MiB out of 1232 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 43.479
Then patterns cover at least 99% of the test FS size in the guest's memory 3.365 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.812
Then I find very few patterns in the guest's memory 3.925 
Pattern coverage: 0.000% (0 MiB out of 1232 MiB reference memory)
After features/support/hooks.rb:291 1.704
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:13.075
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.179
And I prepare Tails for memory erasure tests 0.566
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.020
Then I find very few patterns in the guest's memory 3.663 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:33.994
Then patterns cover at least 86% of the test FS size in the guest's memory 4.022 
Pattern coverage: 96.058% (119 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.572
Then I find very few patterns in the guest's memory 4.313 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
# read cache
When I mount the USB drive again 0.335
And I read the content of the test FS 0.656
Then patterns cover at least 99% of the test FS size in the guest's memory 3.930 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.455
Then I find very few patterns in the guest's memory 4.366 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
After features/support/hooks.rb:291 2.196
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:36.477
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.078
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.913
Then I find very few patterns in the guest's memory 4.877 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:39.946
Then patterns cover at least 99% of the test FS size in the guest's memory 2.811 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.603
Then I find very few patterns in the guest's memory 3.395 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
# read cache
When I mount the USB drive again 3.216
And I read the content of the test FS 0.372
Then patterns cover at least 99% of the test FS size in the guest's memory 2.502 
Pattern coverage: 108.662% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory 3.578 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
After features/support/hooks.rb:291 1.442
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
52.060
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.160
And I prepare Tails for memory erasure tests 0.516
When I fill a 128 MiB file with a known pattern on the root filesystem 16.814
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.474
Then patterns cover at least 128 MiB in the guest's memory 2.467 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.787
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.818 
Pattern coverage: 0.000% (0 MiB out of 1210 MiB reference memory)
After features/support/hooks.rb:291 3.480
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:4.272
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 5:19.891
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 21.546
When I trigger shutdown 0.187
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.190 
Pattern coverage: 0.000% (0 MiB out of 1188 MiB reference memory)
After features/support/hooks.rb:291 3.677
After features/support/hooks.rb:75 0.013