Project Number Date
test_Tails_ISO_21573-tor-0.4.9.8 1 08 May 2026, 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 7:28.503 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
18.148
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 6.579
And I prepare Tails for memory erasure tests 0.314
When I start a process allocating 128 MiB of memory with a known pattern 2.271
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.937 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.190
Then I find very few patterns in the guest's memory after 5 seconds 6.854 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.682
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.430
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 6.788
And I prepare Tails for memory erasure tests 0.340
And I find very few patterns in the guest's memory 1.684 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.633
Then patterns cover at least 99% of the test FS size in the guest's memory 1.861 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.315
Then I find very few patterns in the guest's memory after 3 seconds 4.805 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 0.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.006
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 6.530
And I prepare Tails for memory erasure tests 0.315
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.206
Then I find very few patterns in the guest's memory 1.786 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.718
Then patterns cover at least 75% of the test FS size in the guest's memory 2.215 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.797
Then I find very few patterns in the guest's memory after 3 seconds 4.808 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 0.144
And I read the content of the test FS 0.430
Then patterns cover at least 99% of the test FS size in the guest's memory 1.966 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.327
Then I find very few patterns in the guest's memory after 3 seconds 4.759 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.774
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.402
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 6.491
And I prepare Tails for memory erasure tests 0.326
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.250
Then I find very few patterns in the guest's memory 1.623 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.291
Then patterns cover at least 99% of the test FS size in the guest's memory 1.948 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.538
Then I find very few patterns in the guest's memory after 3 seconds 4.785 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 3.931
And I read the content of the test FS 0.388
Then patterns cover at least 99% of the test FS size in the guest's memory 1.742 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 4.603 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 1.088
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.294
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 6.536
And I prepare Tails for memory erasure tests 0.320
When I fill a 128 MiB file with a known pattern on the root filesystem 26.441
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.068
Then patterns cover at least 128 MiB in the guest's memory 1.436 
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 20.485 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 3.745
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:27.220
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:49.834
And I prepare Tails for memory erasure tests 0.298
When I fill a 128 MiB file with a known pattern on the persistent filesystem 16.042
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.041 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:331 3.578
After features/support/hooks.rb:100 0.013