Project Number Date
test_Tails_ISO_stable 6555 04 Aug 2026, 11:41

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 7:14.522 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
19.543
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 6.195
And I prepare Tails for memory erasure tests 0.326
When I start a process allocating 128 MiB of memory with a known pattern 2.223
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.833 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.211
Then I find very few patterns in the guest's memory after 5 seconds 7.753 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.652
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.957
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 6.308
And I prepare Tails for memory erasure tests 0.314
And I find very few patterns in the guest's memory 2.931 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.524
Then patterns cover at least 99% of the test FS size in the guest's memory 2.848 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.474
Then I find very few patterns in the guest's memory after 3 seconds 5.554 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.746
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.385
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 6.154
And I prepare Tails for memory erasure tests 0.329
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.219
Then I find very few patterns in the guest's memory 2.696 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.721
Then patterns cover at least 75% of the test FS size in the guest's memory 3.001 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.682
Then I find very few patterns in the guest's memory after 3 seconds 5.739 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 0.170
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 2.880 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.455
Then I find very few patterns in the guest's memory after 3 seconds 5.852 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.774
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.679
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 6.205
And I prepare Tails for memory erasure tests 0.336
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.434
Then I find very few patterns in the guest's memory 2.465 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.111
Then patterns cover at least 99% of the test FS size in the guest's memory 2.761 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.497
Then I find very few patterns in the guest's memory after 3 seconds 5.288 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 4.107
And I read the content of the test FS 0.329
Then patterns cover at least 99% of the test FS size in the guest's memory 3.013 
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 5.708 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 0.544
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.295
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 6.318
And I prepare Tails for memory erasure tests 0.376
When I fill a 128 MiB file with a known pattern on the root filesystem 13.279
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.395
Then patterns cover at least 128 MiB in the guest's memory 2.210 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.710 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 3.786
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:11.661
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 3:40.405
And I prepare Tails for memory erasure tests 0.290
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.837
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.121 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:339 3.553
After features/support/hooks.rb:108 0.009