Project Number Date
test_Tails_ISO_devel 4045 31 Oct 2025, 10:04

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 12:27.426 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
38.635
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 8.519
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 2.372
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 10.738 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.236
Then I find very few patterns in the guest's memory after 5 seconds 16.332 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 1.470
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.727
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 8.401
And I prepare Tails for memory erasure tests 0.446
And I find very few patterns in the guest's memory 11.644 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.703
Then patterns cover at least 99% of the test FS size in the guest's memory 13.629 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.392
Then I find very few patterns in the guest's memory after 3 seconds 12.510 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 0.644
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.822
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.011
Given I have started Tails from DVD without network and logged in 8.891
And I prepare Tails for memory erasure tests 0.522
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.360
Then I find very few patterns in the guest's memory 9.920 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.437
Then patterns cover at least 75% of the test FS size in the guest's memory 11.075 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.968
Then I find very few patterns in the guest's memory after 3 seconds 13.844 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 0.211
And I read the content of the test FS 0.732
Then patterns cover at least 99% of the test FS size in the guest's memory 14.016 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.410
Then I find very few patterns in the guest's memory after 3 seconds 13.431 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 0.918
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:43.928
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.420
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.396
Then I find very few patterns in the guest's memory 11.081 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.984
Then patterns cover at least 99% of the test FS size in the guest's memory 9.425 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.733
Then I find very few patterns in the guest's memory after 3 seconds 12.078 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
# read cache
When I mount the USB drive again 5.095
And I read the content of the test FS 0.499
Then patterns cover at least 99% of the test FS size in the guest's memory 9.359 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.525
Then I find very few patterns in the guest's memory after 3 seconds 11.852 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:331 1.292
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.761
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.641
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the root filesystem 10.644
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.821
Then patterns cover at least 128 MiB in the guest's memory 6.959 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 22.265 
Pattern coverage: 0.000% (0 MiB out of 1510 MiB reference memory)
After features/support/hooks.rb:331 4.013
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:57.551
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 6:24.683
And I prepare Tails for memory erasure tests 0.353
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.952
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 23.549 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:331 3.558
After features/support/hooks.rb:100 0.014