Project Number Date
test_Tails_ISO_stable 4691 01 Mar 2024, 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 9:59.792 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
19.569
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.223
And I prepare Tails for memory erasure tests 0.390
When I start a process allocating 128 MiB of memory with a known pattern 1.211
Then patterns cover at least 128 MiB in the guest's memory 4.983 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.762
Then I find very few patterns in the guest's memory 3.998 
Pattern coverage: 0.000% (0 MiB out of 952 MiB reference memory)
After features/support/hooks.rb:291 0.637
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
21.829
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.148
And I prepare Tails for memory erasure tests 0.366
And I find very few patterns in the guest's memory 4.001 
Pattern coverage: 0.000% (0 MiB out of 954 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.362
Then patterns cover at least 99% of the test FS size in the guest's memory 3.630 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.425
Then I find very few patterns in the guest's memory 3.894 
Pattern coverage: 0.000% (0 MiB out of 954 MiB reference memory)
After features/support/hooks.rb:291 0.853
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
39.818
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.390
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.822
Then I find very few patterns in the guest's memory 3.992 
Pattern coverage: 0.000% (0 MiB out of 932 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.093
Then patterns cover at least 86% of the test FS size in the guest's memory 4.261 
Pattern coverage: 93.210% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.994
Then I find very few patterns in the guest's memory 4.183 
Pattern coverage: 0.000% (0 MiB out of 932 MiB reference memory)
# read cache
When I mount the USB drive again 0.278
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 3.525 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.461
Then I find very few patterns in the guest's memory 3.846 
Pattern coverage: 0.000% (0 MiB out of 932 MiB reference memory)
After features/support/hooks.rb:291 1.184
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:2.609
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.822
And I prepare Tails for memory erasure tests 0.384
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.899
Then I find very few patterns in the guest's memory 3.620 
Pattern coverage: 0.000% (0 MiB out of 936 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.749
Then patterns cover at least 99% of the test FS size in the guest's memory 2.821 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.744
Then I find very few patterns in the guest's memory 3.561 
Pattern coverage: 0.000% (0 MiB out of 936 MiB reference memory)
# read cache
When I mount the USB drive again 4.055
And I read the content of the test FS 0.342
Then patterns cover at least 99% of the test FS size in the guest's memory 2.906 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.658
Then I find very few patterns in the guest's memory 4.041 
Pattern coverage: 0.000% (0 MiB out of 936 MiB reference memory)
After features/support/hooks.rb:291 0.767
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
48.034
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.889
And I prepare Tails for memory erasure tests 0.365
When I fill a 128 MiB file with a known pattern on the root filesystem 11.682
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.718
Then patterns cover at least 128 MiB in the guest's memory 2.562 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
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 933 MiB reference memory)
After features/support/hooks.rb:291 3.491
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:47.931
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 5:59.559
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.776
When I trigger shutdown 0.016
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.162 
Pattern coverage: 0.000% (0 MiB out of 952 MiB reference memory)
After features/support/hooks.rb:291 3.526
After features/support/hooks.rb:75 0.022