Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 6 07 Jun 2026, 08:20

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 7:48.511 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
19.496
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.804
And I prepare Tails for memory erasure tests 0.408
When I start a process allocating 128 MiB of memory with a known pattern 2.307
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.099 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.873
Then I find very few patterns in the guest's memory after 5 seconds 7.003 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:335 0.800
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
18.494
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 7.039
And I prepare Tails for memory erasure tests 0.349
And I find very few patterns in the guest's memory 1.797 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.648
Then patterns cover at least 99% of the test FS size in the guest's memory 2.392 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.429
Then I find very few patterns in the guest's memory after 3 seconds 4.838 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:335 0.766
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
35.037
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.768
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.688
Then I find very few patterns in the guest's memory 2.164 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.774
Then patterns cover at least 75% of the test FS size in the guest's memory 2.217 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.741
Then I find very few patterns in the guest's memory after 3 seconds 4.750 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# read cache
When I mount the USB drive again 0.161
And I read the content of the test FS 0.479
Then patterns cover at least 99% of the test FS size in the guest's memory 2.265 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.417
Then I find very few patterns in the guest's memory after 3 seconds 5.177 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:335 0.846
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
1:0.038
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails from DVD without network and logged in 6.914
And I prepare Tails for memory erasure tests 0.367
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.596
Then I find very few patterns in the guest's memory 1.801 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.578
Then patterns cover at least 99% of the test FS size in the guest's memory 2.054 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.686
Then I find very few patterns in the guest's memory after 3 seconds 4.743 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 3.889
And I read the content of the test FS 0.331
Then patterns cover at least 99% of the test FS size in the guest's memory 1.882 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.418
Then I find very few patterns in the guest's memory after 3 seconds 4.774 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:335 0.795
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
52.314
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.838
And I prepare Tails for memory erasure tests 0.369
When I fill a 128 MiB file with a known pattern on the root filesystem 20.702
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.971
Then patterns cover at least 128 MiB in the guest's memory 1.563 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.860 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:335 4.065
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:43.129
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:2.058
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.501
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.062 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:335 3.842
After features/support/hooks.rb:104 0.012