Project Number Date
test_Tails_ISO_stable 4519 21 Nov 2023, 13:57

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 14:30.329 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
19.508
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.437
And I prepare Tails for memory erasure tests 0.679
When I start a process allocating 128 MiB of memory with a known pattern 2.416
Then patterns cover at least 128 MiB in the guest's memory 3.549 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.301
Then I find very few patterns in the guest's memory 4.124 
Pattern coverage: 0.000% (0 MiB out of 1227 MiB reference memory)
After features/support/hooks.rb:290 0.902
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:4.184
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.571
And I prepare Tails for memory erasure tests 0.722
And I find very few patterns in the guest's memory 4.056 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 43.077
Then patterns cover at least 99% of the test FS size in the guest's memory 3.427 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.256
Then I find very few patterns in the guest's memory 4.072 
Pattern coverage: 0.000% (0 MiB out of 1215 MiB reference memory)
After features/support/hooks.rb:290 0.802
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:59.141
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.520
And I prepare Tails for memory erasure tests 0.751
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.293
Then I find very few patterns in the guest's memory 4.312 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:18.194
Then patterns cover at least 86% of the test FS size in the guest's memory 4.310 
Pattern coverage: 96.309% (120 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.627
Then I find very few patterns in the guest's memory 4.349 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
# read cache
When I mount the USB drive again 0.223
And I read the content of the test FS 0.700
Then patterns cover at least 99% of the test FS size in the guest's memory 3.945 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.320
Then I find very few patterns in the guest's memory 4.591 
Pattern coverage: 0.000% (0 MiB out of 1217 MiB reference memory)
After features/support/hooks.rb:290 0.745
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:55.507
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.134
And I prepare Tails for memory erasure tests 0.615
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 25.813
Then I find very few patterns in the guest's memory 3.513 
Pattern coverage: 0.000% (0 MiB out of 1226 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:50.164
Then patterns cover at least 99% of the test FS size in the guest's memory 2.989 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.748
Then I find very few patterns in the guest's memory 3.448 
Pattern coverage: 0.000% (0 MiB out of 1226 MiB reference memory)
# read cache
When I mount the USB drive again 9.670
And I read the content of the test FS 0.557
Then patterns cover at least 99% of the test FS size in the guest's memory 3.121 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.981
Then I find very few patterns in the guest's memory 5.751 
Pattern coverage: 0.000% (0 MiB out of 1226 MiB reference memory)
After features/support/hooks.rb:290 0.940
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
57.109
Before features/support/hooks.rb:245 0.005
Given I have started Tails from DVD without network and logged in 8.937
And I prepare Tails for memory erasure tests 0.785
When I fill a 128 MiB file with a known pattern on the root filesystem 19.423
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.883
Then patterns cover at least 128 MiB in the guest's memory 3.051 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 1.059
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.949 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
After features/support/hooks.rb:290 3.476
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:14.876
Before features/support/hooks.rb:245 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:27.976
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 23.594
When I trigger shutdown 0.397
And I wait 20 seconds 20.019 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.419 
Pattern coverage: 0.000% (0 MiB out of 1201 MiB reference memory)
After features/support/hooks.rb:290 3.516
After features/support/hooks.rb:75 0.012