Project Number Date
test_Tails_ISO_post-rm-7.11 1 20 Aug 2026, 13:57

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 7:51.350 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
20.123
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 6.257
And I prepare Tails for memory erasure tests 0.368
When I start a process allocating 128 MiB of memory with a known pattern 2.346
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.155 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.294
Then I find very few patterns in the guest's memory after 5 seconds 7.700 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.627
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.291
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 6.481
And I prepare Tails for memory erasure tests 0.566
And I find very few patterns in the guest's memory 2.975 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.733
Then patterns cover at least 99% of the test FS size in the guest's memory 3.269 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.477
Then I find very few patterns in the guest's memory after 3 seconds 5.788 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 0.945
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.390
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 6.459
And I prepare Tails for memory erasure tests 0.342
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.273
Then I find very few patterns in the guest's memory 2.901 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.565
Then patterns cover at least 75% of the test FS size in the guest's memory 3.147 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.754
Then I find very few patterns in the guest's memory after 3 seconds 5.906 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
# read cache
When I mount the USB drive again 0.187
And I read the content of the test FS 0.613
Then patterns cover at least 99% of the test FS size in the guest's memory 2.961 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.493
Then I find very few patterns in the guest's memory after 3 seconds 5.782 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 0.796
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.052
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.379
And I prepare Tails for memory erasure tests 0.319
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.784
Then I find very few patterns in the guest's memory 2.524 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.277
Then patterns cover at least 99% of the test FS size in the guest's memory 2.718 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.603
Then I find very few patterns in the guest's memory after 3 seconds 5.658 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 4.674
And I read the content of the test FS 0.391
Then patterns cover at least 99% of the test FS size in the guest's memory 2.625 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.432
Then I find very few patterns in the guest's memory after 3 seconds 5.662 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.901
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.811
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 6.881
And I prepare Tails for memory erasure tests 0.498
When I fill a 128 MiB file with a known pattern on the root filesystem 13.851
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.629
Then patterns cover at least 128 MiB in the guest's memory 2.239 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.706 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 3.730
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:41.681
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 4:10.694
And I prepare Tails for memory erasure tests 0.334
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.625
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.021 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:339 3.549
After features/support/hooks.rb:108 0.009