Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 52 24 Jul 2026, 08:10

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 8:0.880 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
18.833
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.913
And I prepare Tails for memory erasure tests 0.334
When I start a process allocating 128 MiB of memory with a known pattern 2.202
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.073 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.217
Then I find very few patterns in the guest's memory after 5 seconds 7.091 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:339 1.040
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.289
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.901
And I prepare Tails for memory erasure tests 0.369
And I find very few patterns in the guest's memory 1.891 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.665
Then patterns cover at least 99% of the test FS size in the guest's memory 2.167 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.351
Then I find very few patterns in the guest's memory after 3 seconds 4.941 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 0.999
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.450
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 6.793
And I prepare Tails for memory erasure tests 0.328
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.318
Then I find very few patterns in the guest's memory 1.948 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.851
Then patterns cover at least 75% of the test FS size in the guest's memory 2.247 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.838
Then I find very few patterns in the guest's memory after 3 seconds 4.935 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
# read cache
When I mount the USB drive again 0.265
And I read the content of the test FS 0.530
Then patterns cover at least 99% of the test FS size in the guest's memory 2.104 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.383
Then I find very few patterns in the guest's memory after 3 seconds 4.902 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 0.822
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.491
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.912
And I prepare Tails for memory erasure tests 0.414
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.881
Then I find very few patterns in the guest's memory 1.843 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.392
Then patterns cover at least 99% of the test FS size in the guest's memory 2.617 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.622
Then I find very few patterns in the guest's memory after 3 seconds 4.820 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# read cache
When I mount the USB drive again 4.747
And I read the content of the test FS 0.304
Then patterns cover at least 99% of the test FS size in the guest's memory 1.828 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.451
Then I find very few patterns in the guest's memory after 3 seconds 4.654 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 0.868
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.199
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.863
And I prepare Tails for memory erasure tests 0.321
When I fill a 128 MiB file with a known pattern on the root filesystem 29.901
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.604
Then patterns cover at least 128 MiB in the guest's memory 1.817 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.683 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 3.863
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:47.615
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:58.665
And I prepare Tails for memory erasure tests 0.345
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.672
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.926 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 3.634
After features/support/hooks.rb:108 0.011