Project Number Date
test_Tails_ISO_devel 4380 07 May 2026, 07:30

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 7:15.503 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
18.343
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 6.445
And I prepare Tails for memory erasure tests 0.335
When I start a process allocating 128 MiB of memory with a known pattern 2.234
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.867 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.774
Then I find very few patterns in the guest's memory after 5 seconds 6.686 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 0.847
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.300
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 6.657
And I prepare Tails for memory erasure tests 0.332
And I find very few patterns in the guest's memory 1.779 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.580
Then patterns cover at least 99% of the test FS size in the guest's memory 1.936 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.284
Then I find very few patterns in the guest's memory after 3 seconds 4.729 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:331 0.903
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.483
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 6.443
And I prepare Tails for memory erasure tests 0.339
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.233
Then I find very few patterns in the guest's memory 1.797 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.458
Then patterns cover at least 75% of the test FS size in the guest's memory 2.002 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.687
Then I find very few patterns in the guest's memory after 3 seconds 4.726 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 0.158
And I read the content of the test FS 0.426
Then patterns cover at least 99% of the test FS size in the guest's memory 1.982 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.334
Then I find very few patterns in the guest's memory after 3 seconds 4.890 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.796
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.953
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 6.445
And I prepare Tails for memory erasure tests 0.322
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.301
Then I find very few patterns in the guest's memory 1.646 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.378
Then patterns cover at least 99% of the test FS size in the guest's memory 1.636 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.497
Then I find very few patterns in the guest's memory after 3 seconds 4.561 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 4.046
And I read the content of the test FS 0.317
Then patterns cover at least 99% of the test FS size in the guest's memory 1.772 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.434
Then I find very few patterns in the guest's memory after 3 seconds 4.592 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.793
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.945
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 6.382
And I prepare Tails for memory erasure tests 0.313
When I fill a 128 MiB file with a known pattern on the root filesystem 23.242
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.931
Then patterns cover at least 128 MiB in the guest's memory 1.516 
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 20.553 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 3.639
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:15.476
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 3:35.513
And I prepare Tails for memory erasure tests 0.445
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.557
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.953 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 3.773
After features/support/hooks.rb:100 0.009