Project Number Date
test_Tails_ISO_devel 3760 29 Mar 2025, 13:22

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 11:42.624 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
24.029
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.376
And I prepare Tails for memory erasure tests 0.516
When I start a process allocating 128 MiB of memory with a known pattern 1.261
Then patterns cover at least 128 MiB in the guest's memory 3.776 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.687
Then I find very few patterns in the guest's memory after 5 seconds 9.410 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.770
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.392
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.864
And I prepare Tails for memory erasure tests 0.736
And I find very few patterns in the guest's memory 4.449 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.869
Then patterns cover at least 99% of the test FS size in the guest's memory 4.114 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.520
Then I find very few patterns in the guest's memory after 3 seconds 6.837 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.871
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.901
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.317
And I prepare Tails for memory erasure tests 0.597
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.325
Then I find very few patterns in the guest's memory 3.993 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.991
Then patterns cover at least 75% of the test FS size in the guest's memory 3.976 
Pattern coverage: 90.366% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.250
Then I find very few patterns in the guest's memory after 3 seconds 6.572 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.280
And I read the content of the test FS 4.890
Then patterns cover at least 99% of the test FS size in the guest's memory 4.862 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.773
Then I find very few patterns in the guest's memory after 3 seconds 7.070 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.088
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.515
And I prepare Tails for memory erasure tests 0.683
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.122
Then I find very few patterns in the guest's memory 3.685 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.810
Then patterns cover at least 99% of the test FS size in the guest's memory 2.923 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.580
Then I find very few patterns in the guest's memory after 3 seconds 5.352 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 5.347
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 2.996 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.559
Then I find very few patterns in the guest's memory after 3 seconds 5.922 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.080
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.328
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.056
And I prepare Tails for memory erasure tests 1.962
When I fill a 128 MiB file with a known pattern on the root filesystem 17.440
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.217
Then patterns cover at least 128 MiB in the guest's memory 2.911 
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 20.728 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.573
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:43.884
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:55.119
And I prepare Tails for memory erasure tests 0.484
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.999
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.268 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.014