Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 60 01 Aug 2026, 08:12

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 7:42.696 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
18.079
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 6.628
And I prepare Tails for memory erasure tests 0.400
When I start a process allocating 128 MiB of memory with a known pattern 2.242
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.900 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.199
Then I find very few patterns in the guest's memory after 5 seconds 6.706 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 0.756
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.126
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 6.602
And I prepare Tails for memory erasure tests 0.353
And I find very few patterns in the guest's memory 1.715 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.558
Then patterns cover at least 99% of the test FS size in the guest's memory 1.862 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.387
Then I find very few patterns in the guest's memory after 3 seconds 4.645 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.657
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.152
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 6.502
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.156
Then I find very few patterns in the guest's memory 1.641 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.415
Then patterns cover at least 75% of the test FS size in the guest's memory 1.853 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.787
Then I find very few patterns in the guest's memory after 3 seconds 4.803 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 0.150
And I read the content of the test FS 0.390
Then patterns cover at least 99% of the test FS size in the guest's memory 1.906 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.380
Then I find very few patterns in the guest's memory after 3 seconds 4.675 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:339 0.603
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.684
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 6.500
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.758
Then I find very few patterns in the guest's memory 1.567 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.123
Then patterns cover at least 99% of the test FS size in the guest's memory 1.756 
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 4.542 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
# read cache
When I mount the USB drive again 4.608
And I read the content of the test FS 0.272
Then patterns cover at least 99% of the test FS size in the guest's memory 1.716 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.439
Then I find very few patterns in the guest's memory after 3 seconds 4.498 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 0.669
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.820
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 6.562
And I prepare Tails for memory erasure tests 0.348
When I fill a 128 MiB file with a known pattern on the root filesystem 28.174
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.708
Then patterns cover at least 128 MiB in the guest's memory 1.526 
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 20.494 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 3.767
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:41.835
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 3:53.183
And I prepare Tails for memory erasure tests 0.333
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.456
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.856 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:339 3.877
After features/support/hooks.rb:108 0.014