Project Number Date
test_Tails_ISO_devel 4054 05 Nov 2025, 12:36

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 15:0.421 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
46.930
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 8.933
And I prepare Tails for memory erasure tests 0.399
When I start a process allocating 128 MiB of memory with a known pattern 2.228
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.859 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.260
Then I find very few patterns in the guest's memory after 5 seconds 19.249 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 0.998
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.703
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 8.476
And I prepare Tails for memory erasure tests 0.409
And I find very few patterns in the guest's memory 15.868 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.913
Then patterns cover at least 99% of the test FS size in the guest's memory 15.207 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.460
Then I find very few patterns in the guest's memory after 3 seconds 17.368 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 0.657
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:45.841
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.262
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.228
Then I find very few patterns in the guest's memory 16.272 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.587
Then patterns cover at least 75% of the test FS size in the guest's memory 17.449 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.949
Then I find very few patterns in the guest's memory after 3 seconds 19.164 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 0.226
And I read the content of the test FS 0.660
Then patterns cover at least 99% of the test FS size in the guest's memory 15.411 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.754
Then I find very few patterns in the guest's memory after 3 seconds 16.373 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 1.327
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:51.180
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 9.587
And I prepare Tails for memory erasure tests 0.456
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.366
Then I find very few patterns in the guest's memory 14.458 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.663
Then patterns cover at least 99% of the test FS size in the guest's memory 14.065 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.829
Then I find very few patterns in the guest's memory after 3 seconds 27.746 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
# read cache
When I mount the USB drive again 5.465
And I read the content of the test FS 0.604
Then patterns cover at least 99% of the test FS size in the guest's memory 30.872 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.616
Then I find very few patterns in the guest's memory after 3 seconds 35.447 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 0.994
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.234
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 8.282
And I prepare Tails for memory erasure tests 0.368
When I fill a 128 MiB file with a known pattern on the root filesystem 11.571
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.311
Then patterns cover at least 128 MiB in the guest's memory 21.442 
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 27.248 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 3.536
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:25.530
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 6:50.424
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.484
When I trigger shutdown 0.025
Then I find very few patterns in the guest's memory after 20 seconds 25.164 
Pattern coverage: 0.000% (0 MiB out of 1510 MiB reference memory)
After features/support/hooks.rb:331 3.697
After features/support/hooks.rb:100 0.014