Project Number Date
test_Tails_ISO_21811-firmware-sof-2026.09.1-1 2 07 Oct 2026, 02:39

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 7:26.843 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
21.083
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 6.718
And I prepare Tails for memory erasure tests 0.301
When I start a process allocating 128 MiB of memory with a known pattern 2.212
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.064 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.715
Then I find very few patterns in the guest's memory after 5 seconds 8.068 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 0.661
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.976
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 6.366
And I prepare Tails for memory erasure tests 0.298
And I find very few patterns in the guest's memory 2.640 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.374
Then patterns cover at least 99% of the test FS size in the guest's memory 2.887 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.356
Then I find very few patterns in the guest's memory after 3 seconds 6.052 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.725
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.274
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 6.458
And I prepare Tails for memory erasure tests 0.309
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.199
Then I find very few patterns in the guest's memory 2.917 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.630
Then patterns cover at least 75% of the test FS size in the guest's memory 3.461 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.693
Then I find very few patterns in the guest's memory after 3 seconds 5.847 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
# read cache
When I mount the USB drive again 0.165
And I read the content of the test FS 0.577
Then patterns cover at least 99% of the test FS size in the guest's memory 2.826 
Pattern coverage: 100.000% (127 MiB out of 127 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 5.766 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
After features/support/hooks.rb:339 1.262
After features/support/hooks.rb:108 0.001
Tags: @product @slow @not_release_blocker
1:4.573
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.009
Given I have started Tails from DVD without network and logged in 6.536
And I prepare Tails for memory erasure tests 0.297
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.706
Then I find very few patterns in the guest's memory 3.231 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.200
Then patterns cover at least 99% of the test FS size in the guest's memory 2.927 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.473
Then I find very few patterns in the guest's memory after 3 seconds 5.425 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
# read cache
When I mount the USB drive again 3.692
And I read the content of the test FS 0.394
Then patterns cover at least 99% of the test FS size in the guest's memory 2.678 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.435
Then I find very few patterns in the guest's memory after 3 seconds 5.572 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.693
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.193
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 6.521
And I prepare Tails for memory erasure tests 0.285
When I fill a 128 MiB file with a known pattern on the root filesystem 12.765
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.497
Then patterns cover at least 128 MiB in the guest's memory 2.306 
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 20.812 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 3.393
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:19.742
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 3:49.525
And I prepare Tails for memory erasure tests 0.244
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.942
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 21.024 
Pattern coverage: 0.000% (0 MiB out of 1437 MiB reference memory)
After features/support/hooks.rb:339 3.412
After features/support/hooks.rb:108 0.011