Project Number Date
test_Tails_ISO_devel 3827 21 May 2025, 13:07

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 12:1.014 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
26.575
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.373
And I prepare Tails for memory erasure tests 0.426
When I start a process allocating 128 MiB of memory with a known pattern 1.213
Then patterns cover at least 128 MiB in the guest's memory 4.770 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.088
Then I find very few patterns in the guest's memory after 5 seconds 8.704 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.787
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.621
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 8.416
And I prepare Tails for memory erasure tests 0.516
And I find very few patterns in the guest's memory 4.372 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.811
Then patterns cover at least 99% of the test FS size in the guest's memory 4.241 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.511
Then I find very few patterns in the guest's memory after 3 seconds 7.751 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.969
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.019
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails from DVD without network and logged in 8.737
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.377
Then I find very few patterns in the guest's memory 3.755 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.501
Then patterns cover at least 75% of the test FS size in the guest's memory 4.033 
Pattern coverage: 84.773% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.429
Then I find very few patterns in the guest's memory after 3 seconds 7.190 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.246
And I read the content of the test FS 0.786
Then patterns cover at least 99% of the test FS size in the guest's memory 4.274 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.477
Then I find very few patterns in the guest's memory after 3 seconds 6.733 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.980
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.987
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 8.769
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.186
Then I find very few patterns in the guest's memory 3.295 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.957
Then patterns cover at least 99% of the test FS size in the guest's memory 3.901 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.919
Then I find very few patterns in the guest's memory after 3 seconds 6.318 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 5.099
And I read the content of the test FS 0.722
Then patterns cover at least 99% of the test FS size in the guest's memory 3.734 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.503
Then I find very few patterns in the guest's memory after 3 seconds 6.114 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 2.298
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.791
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 9.163
And I prepare Tails for memory erasure tests 0.538
When I fill a 128 MiB file with a known pattern on the root filesystem 18.020
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.765
Then patterns cover at least 128 MiB in the guest's memory 3.406 
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 20.883 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.593
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.018
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 7:14.829
And I prepare Tails for memory erasure tests 0.760
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.865
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.545 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.554
After features/support/hooks.rb:100 0.011