Project Number Date
test_Tails_ISO_21866-update-firmware-sof 1 03 Nov 2026, 14:34

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 7:33.344 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
19.934
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 6.474
And I prepare Tails for memory erasure tests 0.400
When I start a process allocating 128 MiB of memory with a known pattern 2.217
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.978 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.223
Then I find very few patterns in the guest's memory after 5 seconds 7.641 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 0.809
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.395
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 6.551
And I prepare Tails for memory erasure tests 0.379
And I find very few patterns in the guest's memory 2.784 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.650
Then patterns cover at least 99% of the test FS size in the guest's memory 2.984 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.408
Then I find very few patterns in the guest's memory after 3 seconds 5.635 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 0.883
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.864
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 6.428
And I prepare Tails for memory erasure tests 0.339
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.493
Then I find very few patterns in the guest's memory 2.722 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.726
Then patterns cover at least 75% of the test FS size in the guest's memory 3.047 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.725
Then I find very few patterns in the guest's memory after 3 seconds 5.835 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
# read cache
When I mount the USB drive again 0.153
And I read the content of the test FS 0.562
Then patterns cover at least 99% of the test FS size in the guest's memory 3.193 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory after 3 seconds 7.219 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
After features/support/hooks.rb:339 1.115
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.946
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 6.557
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.669
Then I find very few patterns in the guest's memory 3.494 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.309
Then patterns cover at least 99% of the test FS size in the guest's memory 4.019 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.505
Then I find very few patterns in the guest's memory after 3 seconds 5.775 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# read cache
When I mount the USB drive again 3.606
And I read the content of the test FS 0.344
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 0.433
Then I find very few patterns in the guest's memory after 3 seconds 6.082 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.906
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.015
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 6.520
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the root filesystem 12.438
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.418
Then patterns cover at least 128 MiB in the guest's memory 2.303 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.878 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 3.651
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:25.186
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 3:54.072
And I prepare Tails for memory erasure tests 0.288
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.650
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.170 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 3.552
After features/support/hooks.rb:108 0.008