Project Number Date
test_Tails_ISO_21529-test-suite-vs-secure-boot-key-expiry 1 28 Apr 2026, 23:12

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 7:14.483 Passed
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.
17.612
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 6.721
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 1.189
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.008

Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)

When I kill the allocating process 0.223
Then I find very few patterns in the guest's memory after 5 seconds 7.074

Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)

After features/support/hooks.rb:331 0.677
After features/support/hooks.rb:100 0.000
17.667
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 6.860
And I prepare Tails for memory erasure tests 0.387
And I find very few patterns in the guest's memory 1.839

Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.391
Then patterns cover at least 99% of the test FS size in the guest's memory 1.983

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.291
Then I find very few patterns in the guest's memory after 3 seconds 4.913

Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)

After features/support/hooks.rb:331 0.710
After features/support/hooks.rb:100 0.000
31.844
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 6.846
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.231
Then I find very few patterns in the guest's memory 1.740

Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.151
Then patterns cover at least 75% of the test FS size in the guest's memory 2.094

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.657
Then I find very few patterns in the guest's memory after 3 seconds 4.915

Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)

# read cache
When I mount the USB drive again 0.160
And I read the content of the test FS 0.509
Then patterns cover at least 99% of the test FS size in the guest's memory 2.023

Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.308
Then I find very few patterns in the guest's memory after 3 seconds 4.822

Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)

After features/support/hooks.rb:331 0.920
After features/support/hooks.rb:100 0.000
1:1.762
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 6.517
And I prepare Tails for memory erasure tests 0.475
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.958
Then I find very few patterns in the guest's memory 1.652

Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 1.062
Then patterns cover at least 99% of the test FS size in the guest's memory 1.882

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.516
Then I find very few patterns in the guest's memory after 3 seconds 4.779

Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)

# read cache
When I mount the USB drive again 4.439
And I read the content of the test FS 0.338
Then patterns cover at least 99% of the test FS size in the guest's memory 1.930

Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.416
Then I find very few patterns in the guest's memory after 3 seconds 4.793

Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)

After features/support/hooks.rb:331 0.996
After features/support/hooks.rb:100 0.000
43.488
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 6.630
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the root filesystem 12.279
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.120
Then patterns cover at least 128 MiB in the guest's memory 1.534

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 20.479

Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)

After features/support/hooks.rb:331 3.548
After features/support/hooks.rb:100 0.000
4:22.107
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 3:50.550
And I prepare Tails for memory erasure tests 0.311
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.234
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.003

Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)

After features/support/hooks.rb:331 3.676
After features/support/hooks.rb:100 0.026