Project Number Date
test_Tails_ISO_21319-thunderbird-153 2 26 Oct 2026, 22:01

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 7:38.578 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
20.254
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 6.272
And I prepare Tails for memory erasure tests 0.367
When I start a process allocating 128 MiB of memory with a known pattern 2.249
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.304 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.221
Then I find very few patterns in the guest's memory after 5 seconds 7.837 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 0.980
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.199
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 6.951
And I prepare Tails for memory erasure tests 0.350
And I find very few patterns in the guest's memory 2.989 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.532
Then patterns cover at least 99% of the test FS size in the guest's memory 3.272 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.347
Then I find very few patterns in the guest's memory after 3 seconds 5.755 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.988
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.287
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 6.435
And I prepare Tails for memory erasure tests 0.360
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.486
Then I find very few patterns in the guest's memory 2.944 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.676
Then patterns cover at least 75% of the test FS size in the guest's memory 3.342 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.659
Then I find very few patterns in the guest's memory after 3 seconds 5.955 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 0.171
And I read the content of the test FS 0.609
Then patterns cover at least 99% of the test FS size in the guest's memory 3.302 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.396
Then I find very few patterns in the guest's memory after 3 seconds 5.945 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.987
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.660
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 6.709
And I prepare Tails for memory erasure tests 0.318
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.301
Then I find very few patterns in the guest's memory 2.849 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.341
Then patterns cover at least 99% of the test FS size in the guest's memory 2.848 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.564
Then I find very few patterns in the guest's memory after 3 seconds 5.990 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# read cache
When I mount the USB drive again 4.475
And I read the content of the test FS 0.355
Then patterns cover at least 99% of the test FS size in the guest's memory 2.663 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 5.818 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.956
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
46.558
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 6.884
And I prepare Tails for memory erasure tests 0.301
When I fill a 128 MiB file with a known pattern on the root filesystem 14.402
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.659
Then patterns cover at least 128 MiB in the guest's memory 2.469 
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 20.833 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 3.480
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:28.617
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:56.199
And I prepare Tails for memory erasure tests 0.330
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.865
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 21.213 
Pattern coverage: 0.000% (0 MiB out of 1393 MiB reference memory)
After features/support/hooks.rb:339 3.785
After features/support/hooks.rb:108 0.009