Project Number Date
test_Tails_ISO_stable 4670 16 Feb 2024, 19:42

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 14:33.373 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
23.127
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.796
And I prepare Tails for memory erasure tests 0.555
When I start a process allocating 128 MiB of memory with a known pattern 2.356
Then patterns cover at least 128 MiB in the guest's memory 5.770 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.349
Then I find very few patterns in the guest's memory 5.299 
Pattern coverage: 0.000% (0 MiB out of 1167 MiB reference memory)
After features/support/hooks.rb:291 0.935
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:7.152
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.755
And I prepare Tails for memory erasure tests 0.558
And I find very few patterns in the guest's memory 5.474 
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 39.746
Then patterns cover at least 99% of the test FS size in the guest's memory 6.380 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.259
Then I find very few patterns in the guest's memory 5.977 
Pattern coverage: 0.000% (0 MiB out of 1204 MiB reference memory)
After features/support/hooks.rb:291 0.908
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:26.463
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 9.535
And I prepare Tails for memory erasure tests 0.572
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.936
Then I find very few patterns in the guest's memory 5.107 
Pattern coverage: 0.000% (0 MiB out of 1188 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:47.821
Then patterns cover at least 86% of the test FS size in the guest's memory 3.096 
Pattern coverage: 92.460% (115 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.460
Then I find very few patterns in the guest's memory 3.639 
Pattern coverage: 0.000% (0 MiB out of 1188 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.170 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.278
Then I find very few patterns in the guest's memory 3.988 
Pattern coverage: 0.000% (0 MiB out of 1188 MiB reference memory)
After features/support/hooks.rb:291 0.817
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:46.795
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.411
And I prepare Tails for memory erasure tests 0.537
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 22.436
Then I find very few patterns in the guest's memory 3.245 
Pattern coverage: 0.000% (0 MiB out of 1184 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:55.005
Then patterns cover at least 99% of the test FS size in the guest's memory 2.753 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.985
Then I find very few patterns in the guest's memory 3.210 
Pattern coverage: 0.000% (0 MiB out of 1184 MiB reference memory)
# read cache
When I mount the USB drive again 3.467
And I read the content of the test FS 0.513
Then patterns cover at least 99% of the test FS size in the guest's memory 2.549 
Pattern coverage: 108.661% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.444
Then I find very few patterns in the guest's memory 3.235 
Pattern coverage: 0.000% (0 MiB out of 1184 MiB reference memory)
After features/support/hooks.rb:291 2.734
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
51.247
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.894
And I prepare Tails for memory erasure tests 0.592
When I fill a 128 MiB file with a known pattern on the root filesystem 13.610
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.542
Then patterns cover at least 128 MiB in the guest's memory 2.347 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 3.517
And I wait 20 seconds 20.005 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.737 
Pattern coverage: 0.000% (0 MiB out of 1208 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
5:58.588
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 5:16.146
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 19.701
When I trigger shutdown 0.206
And I wait 20 seconds 20.000 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.097 
Pattern coverage: 0.000% (0 MiB out of 1181 MiB reference memory)
After features/support/hooks.rb:291 3.475
After features/support/hooks.rb:75 0.011