Project Number Date
test_Tails_ISO_devel 4600 08 Sep 2026, 00:22

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 7:32.497 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
20.286
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 6.375
And I prepare Tails for memory erasure tests 0.265
When I start a process allocating 128 MiB of memory with a known pattern 2.150
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.889 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.775
Then I find very few patterns in the guest's memory after 5 seconds 7.830 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
After features/support/hooks.rb:339 0.976
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.918
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 6.349
And I prepare Tails for memory erasure tests 0.297
And I find very few patterns in the guest's memory 2.640 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.433
Then patterns cover at least 99% of the test FS size in the guest's memory 2.957 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.395
Then I find very few patterns in the guest's memory after 3 seconds 5.844 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 0.850
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
46.025
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 6.341
And I prepare Tails for memory erasure tests 0.265
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.184
Then I find very few patterns in the guest's memory 5.043 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.409
Then patterns cover at least 75% of the test FS size in the guest's memory 5.178 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory after 3 seconds 7.536 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
# read cache
When I mount the USB drive again 0.282
And I read the content of the test FS 0.586
Then patterns cover at least 99% of the test FS size in the guest's memory 5.282 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.352
Then I find very few patterns in the guest's memory after 3 seconds 6.900 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 0.690
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.758
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 6.144
And I prepare Tails for memory erasure tests 0.311
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.641
Then I find very few patterns in the guest's memory 2.731 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.111
Then patterns cover at least 99% of the test FS size in the guest's memory 2.642 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.453
Then I find very few patterns in the guest's memory after 3 seconds 5.687 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# read cache
When I mount the USB drive again 4.074
And I read the content of the test FS 0.386
Then patterns cover at least 99% of the test FS size in the guest's memory 2.857 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.432
Then I find very few patterns in the guest's memory after 3 seconds 5.284 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 0.947
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.593
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.272
And I prepare Tails for memory erasure tests 0.341
When I fill a 128 MiB file with a known pattern on the root filesystem 12.433
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.532
Then patterns cover at least 128 MiB in the guest's memory 2.236 
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 20.771 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 3.412
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.915
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:49.656
And I prepare Tails for memory erasure tests 0.289
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.657
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.306 
Pattern coverage: 0.000% (0 MiB out of 1431 MiB reference memory)
After features/support/hooks.rb:339 3.804
After features/support/hooks.rb:108 0.009