Project Number Date
test_Tails_ISO_stable 4789 16 Apr 2024, 12:04

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 9:47.333 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
18.012
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.122
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 1.215
Then patterns cover at least 128 MiB in the guest's memory 3.636 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.590
Then I find very few patterns in the guest's memory 4.022 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:305 1.598
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
21.650
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.170
And I prepare Tails for memory erasure tests 0.415
And I find very few patterns in the guest's memory 3.876 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.430
Then patterns cover at least 99% of the test FS size in the guest's memory 3.318 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.399
Then I find very few patterns in the guest's memory 4.039 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:305 0.601
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
40.511
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.738
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.837
Then I find very few patterns in the guest's memory 3.839 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.096
Then patterns cover at least 86% of the test FS size in the guest's memory 3.720 
Pattern coverage: 89.007% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.851
Then I find very few patterns in the guest's memory 3.906 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.220
And I read the content of the test FS 0.643
Then patterns cover at least 99% of the test FS size in the guest's memory 3.217 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.360
Then I find very few patterns in the guest's memory 4.583 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:305 0.696
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:5.854
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.024
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.741
Then I find very few patterns in the guest's memory 3.211 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.638
Then patterns cover at least 99% of the test FS size in the guest's memory 2.811 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.884
Then I find very few patterns in the guest's memory 4.035 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 4.079
And I read the content of the test FS 0.392
Then patterns cover at least 99% of the test FS size in the guest's memory 2.645 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.492
Then I find very few patterns in the guest's memory 3.475 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:305 1.210
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
50.755
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.079
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the root filesystem 15.449
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.514
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 0.013
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.730 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:305 3.493
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
6:30.549
Before features/support/hooks.rb:259 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:46.528
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.451
When I trigger shutdown 0.010
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.096 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:305 3.501
After features/support/hooks.rb:89 0.011