Project Number Date
test_Tails_ISO_devel 4318 04 Apr 2026, 11:34

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 7:48.316 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
18.987
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.013
Given I have started Tails from DVD without network and logged in 6.916
And I prepare Tails for memory erasure tests 0.528
When I start a process allocating 128 MiB of memory with a known pattern 2.380
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.992 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.280
Then I find very few patterns in the guest's memory after 5 seconds 6.889 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:331 0.825
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.279
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 7.189
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 1.874 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.538
Then patterns cover at least 99% of the test FS size in the guest's memory 1.967 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.431
Then I find very few patterns in the guest's memory after 3 seconds 4.877 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 1.365
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.158
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.992
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.449
Then I find very few patterns in the guest's memory 1.752 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.539
Then patterns cover at least 75% of the test FS size in the guest's memory 2.101 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.099
Then I find very few patterns in the guest's memory after 3 seconds 4.817 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 0.242
And I read the content of the test FS 0.474
Then patterns cover at least 99% of the test FS size in the guest's memory 2.016 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 4.722 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:331 0.800
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.338
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 18.749
And I prepare Tails for memory erasure tests 0.501
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.893
Then I find very few patterns in the guest's memory 1.822 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.418
Then patterns cover at least 99% of the test FS size in the guest's memory 1.769 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 4.755 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 4.213
And I read the content of the test FS 0.294
Then patterns cover at least 99% of the test FS size in the guest's memory 2.045 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 4.690 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:331 1.285
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.481
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.674
And I prepare Tails for memory erasure tests 1.361
When I fill a 128 MiB file with a known pattern on the root filesystem 13.047
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.295
Then patterns cover at least 128 MiB in the guest's memory 1.583 
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 20.513 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 3.779
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:35.069
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:1.732
And I prepare Tails for memory erasure tests 0.513
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.763
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 21.050 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
After features/support/hooks.rb:331 3.668
After features/support/hooks.rb:100 0.010