Project Number Date
test_Tails_ISO_stable 5064 02 Sep 2024, 12:30

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 11:41.305 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
22.609
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.034
And I prepare Tails for memory erasure tests 0.399
When I start a process allocating 128 MiB of memory with a known pattern 2.484
Then patterns cover at least 128 MiB in the guest's memory 4.654 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.066
Then I find very few patterns in the guest's memory after 3 seconds 5.969 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.875
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.482
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.224
And I prepare Tails for memory erasure tests 0.374
And I find very few patterns in the guest's memory 2.817 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.977
Then patterns cover at least 99% of the test FS size in the guest's memory 3.682 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.735
Then I find very few patterns in the guest's memory after 3 seconds 6.670 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 0.917
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.950
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.995
And I prepare Tails for memory erasure tests 0.453
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.286
Then I find very few patterns in the guest's memory 3.816 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.591
Then patterns cover at least 75% of the test FS size in the guest's memory 4.397 
Pattern coverage: 92.307% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.482
Then I find very few patterns in the guest's memory after 3 seconds 6.625 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.352
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 4.158 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.640
Then I find very few patterns in the guest's memory after 3 seconds 6.550 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.327
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.658
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.230
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.282
Then I find very few patterns in the guest's memory 2.816 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.907
Then patterns cover at least 99% of the test FS size in the guest's memory 2.888 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.088
Then I find very few patterns in the guest's memory after 3 seconds 5.396 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 5.128
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 2.871 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.761
Then I find very few patterns in the guest's memory after 3 seconds 5.386 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.830
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.285
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.483
And I prepare Tails for memory erasure tests 0.505
When I fill a 128 MiB file with a known pattern on the root filesystem 14.525
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 7.716
Then patterns cover at least 128 MiB in the guest's memory 3.188 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.851 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 3.595
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.319
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:6.917
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.582
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.353 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.014