Project Number Date
test_Tails_ISO_stable 4547 03 Dec 2023, 12:20

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 14:8.097 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
18.561
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.893
And I prepare Tails for memory erasure tests 0.496
When I start a process allocating 128 MiB of memory with a known pattern 1.235
Then patterns cover at least 128 MiB in the guest's memory 3.504 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.290
Then I find very few patterns in the guest's memory 4.140 
Pattern coverage: 0.000% (0 MiB out of 1223 MiB reference memory)
After features/support/hooks.rb:291 0.747
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:5.489
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.284
And I prepare Tails for memory erasure tests 0.462
And I find very few patterns in the guest's memory 4.321 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 44.048
Then patterns cover at least 99% of the test FS size in the guest's memory 3.676 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.731
Then I find very few patterns in the guest's memory 3.966 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
After features/support/hooks.rb:291 2.209
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:4.795
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.364
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.119
Then I find very few patterns in the guest's memory 4.189 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:26.722
Then patterns cover at least 86% of the test FS size in the guest's memory 4.343 
Pattern coverage: 96.770% (120 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.529
Then I find very few patterns in the guest's memory 3.540 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
# read cache
When I mount the USB drive again 0.242
And I read the content of the test FS 0.576
Then patterns cover at least 99% of the test FS size in the guest's memory 3.351 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.351
Then I find very few patterns in the guest's memory 3.998 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.797
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:40.802
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.516
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.825
Then I find very few patterns in the guest's memory 3.639 
Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:46.235
Then patterns cover at least 99% of the test FS size in the guest's memory 2.763 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.839
Then I find very few patterns in the guest's memory 3.395 
Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)
# read cache
When I mount the USB drive again 4.323
And I read the content of the test FS 0.708
Then patterns cover at least 99% of the test FS size in the guest's memory 2.494 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 1.101
Then I find very few patterns in the guest's memory 3.480 
Pattern coverage: 0.000% (0 MiB out of 1211 MiB reference memory)
After features/support/hooks.rb:291 0.885
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
50.819
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 10.121
And I prepare Tails for memory erasure tests 0.519
When I fill a 128 MiB file with a known pattern on the root filesystem 12.565
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.332
Then patterns cover at least 128 MiB in the guest's memory 2.555 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 1.857
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.848 
Pattern coverage: 0.000% (0 MiB out of 1206 MiB reference memory)
After features/support/hooks.rb:291 3.454
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:7.627
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 5:21.807
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.681
When I trigger shutdown 0.400
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.241 
Pattern coverage: 0.000% (0 MiB out of 1153 MiB reference memory)
After features/support/hooks.rb:291 3.448
After features/support/hooks.rb:75 0.010