Project Number Date
test_Tails_ISO_20660-fix-random-seed-update 7 16 Nov 2024, 17:25

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 11:1.740 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
24.142
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.799
And I prepare Tails for memory erasure tests 0.693
When I start a process allocating 128 MiB of memory with a known pattern 2.375
Then patterns cover at least 128 MiB in the guest's memory 4.187 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.416
Then I find very few patterns in the guest's memory after 3 seconds 6.669 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.043
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.940
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.234
And I prepare Tails for memory erasure tests 0.569
And I find very few patterns in the guest's memory 3.640 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.016
Then patterns cover at least 99% of the test FS size in the guest's memory 3.992 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.810
Then I find very few patterns in the guest's memory after 3 seconds 6.677 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.895
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.758
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.258
And I prepare Tails for memory erasure tests 0.638
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.084
Then I find very few patterns in the guest's memory 3.671 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.605
Then patterns cover at least 75% of the test FS size in the guest's memory 4.112 
Pattern coverage: 92.552% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.219
Then I find very few patterns in the guest's memory after 3 seconds 6.592 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.534
And I read the content of the test FS 0.572
Then patterns cover at least 99% of the test FS size in the guest's memory 4.392 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.573
Then I find very few patterns in the guest's memory after 3 seconds 6.503 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.606
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.243
And I prepare Tails for memory erasure tests 0.759
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.346
Then I find very few patterns in the guest's memory 2.881 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.296
Then patterns cover at least 99% of the test FS size in the guest's memory 6.330 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.110
Then I find very few patterns in the guest's memory after 3 seconds 5.765 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# read cache
When I mount the USB drive again 5.260
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 3.431 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.635
Then I find very few patterns in the guest's memory after 3 seconds 6.051 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 2.114
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.992
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 8.295
And I prepare Tails for memory erasure tests 0.595
When I fill a 128 MiB file with a known pattern on the root filesystem 14.788
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.796
Then patterns cover at least 128 MiB in the guest's memory 2.787 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.716 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.566
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:9.299
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 6:24.273
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.414
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.135 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.512
After features/support/hooks.rb:100 0.012