Project Number Date
test_Tails_ISO_devel 4195 27 Jan 2026, 20:21

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 7:24.205 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
19.553
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 6.797
And I prepare Tails for memory erasure tests 0.428
When I start a process allocating 128 MiB of memory with a known pattern 2.265
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.995 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.914
Then I find very few patterns in the guest's memory after 5 seconds 7.151 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.794
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.637
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 6.810
And I prepare Tails for memory erasure tests 0.477
And I find very few patterns in the guest's memory 2.021 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.063
Then patterns cover at least 99% of the test FS size in the guest's memory 2.123 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.849
Then I find very few patterns in the guest's memory after 3 seconds 5.292 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 0.642
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.468
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 6.841
And I prepare Tails for memory erasure tests 0.406
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.134
Then I find very few patterns in the guest's memory 2.049 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.797
Then patterns cover at least 75% of the test FS size in the guest's memory 2.459 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.280
Then I find very few patterns in the guest's memory after 3 seconds 4.793 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 0.167
And I read the content of the test FS 0.441
Then patterns cover at least 99% of the test FS size in the guest's memory 1.996 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.293
Then I find very few patterns in the guest's memory after 3 seconds 4.806 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.837
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.427
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 6.678
And I prepare Tails for memory erasure tests 0.359
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.284
Then I find very few patterns in the guest's memory 1.853 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.150
Then patterns cover at least 99% of the test FS size in the guest's memory 1.986 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.512
Then I find very few patterns in the guest's memory after 3 seconds 4.856 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 4.257
And I read the content of the test FS 0.289
Then patterns cover at least 99% of the test FS size in the guest's memory 2.005 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.408
Then I find very few patterns in the guest's memory after 3 seconds 4.783 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 0.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.356
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 6.783
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the root filesystem 13.436
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.476
Then patterns cover at least 128 MiB in the guest's memory 1.662 
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 20.594 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 4.039
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:27.762
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.008
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:56.702
And I prepare Tails for memory erasure tests 0.352
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.854
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.848 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
After features/support/hooks.rb:331 3.565
After features/support/hooks.rb:100 0.009