Project Number Date
test_Tails_ISO_stable 6733 09 Oct 2026, 11:36

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 7:29.271 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
19.586
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 6.352
And I prepare Tails for memory erasure tests 0.273
When I start a process allocating 128 MiB of memory with a known pattern 2.245
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.886 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.192
Then I find very few patterns in the guest's memory after 5 seconds 7.635 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.625
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.770
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 6.226
And I prepare Tails for memory erasure tests 0.322
And I find very few patterns in the guest's memory 2.720 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.456
Then patterns cover at least 99% of the test FS size in the guest's memory 3.615 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.403
Then I find very few patterns in the guest's memory after 3 seconds 6.025 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 1.049
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.445
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 6.247
And I prepare Tails for memory erasure tests 0.305
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.424
Then I find very few patterns in the guest's memory 2.803 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.783
Then patterns cover at least 75% of the test FS size in the guest's memory 3.082 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.755
Then I find very few patterns in the guest's memory after 3 seconds 5.822 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
# read cache
When I mount the USB drive again 0.181
And I read the content of the test FS 0.620
Then patterns cover at least 99% of the test FS size in the guest's memory 3.210 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.535
Then I find very few patterns in the guest's memory after 3 seconds 5.672 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.787
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.729
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.211
And I prepare Tails for memory erasure tests 0.253
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.374
Then I find very few patterns in the guest's memory 2.709 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.968
Then patterns cover at least 99% of the test FS size in the guest's memory 2.688 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.477
Then I find very few patterns in the guest's memory after 3 seconds 5.514 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# read cache
When I mount the USB drive again 3.737
And I read the content of the test FS 0.342
Then patterns cover at least 99% of the test FS size in the guest's memory 3.249 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 5.703 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 1.020
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.041
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 6.404
And I prepare Tails for memory erasure tests 0.344
When I fill a 128 MiB file with a known pattern on the root filesystem 11.641
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.537
Then patterns cover at least 128 MiB in the guest's memory 2.348 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.758 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
After features/support/hooks.rb:339 3.484
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:28.697
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 3:57.996
And I prepare Tails for memory erasure tests 0.269
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.279
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.147 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 3.507
After features/support/hooks.rb:108 0.009