Project Number Date
test_Tails_ISO_stable 6043 08 Jan 2026, 11:32

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 6:42.276 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
17.062
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 6.599
And I prepare Tails for memory erasure tests 0.313
When I start a process allocating 128 MiB of memory with a known pattern 1.170
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.067 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.178
Then I find very few patterns in the guest's memory after 5 seconds 6.733 
Pattern coverage: 0.000% (0 MiB out of 1470 MiB reference memory)
After features/support/hooks.rb:331 0.680
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
16.547
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 6.394
And I prepare Tails for memory erasure tests 0.374
And I find very few patterns in the guest's memory 1.648 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.270
Then patterns cover at least 99% of the test FS size in the guest's memory 1.911 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.259
Then I find very few patterns in the guest's memory after 3 seconds 4.689 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:331 0.628
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.201
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 6.473
And I prepare Tails for memory erasure tests 0.349
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.088
Then I find very few patterns in the guest's memory 1.600 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.946
Then patterns cover at least 75% of the test FS size in the guest's memory 1.933 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.624
Then I find very few patterns in the guest's memory after 3 seconds 4.651 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# read cache
When I mount the USB drive again 0.161
And I read the content of the test FS 0.424
Then patterns cover at least 99% of the test FS size in the guest's memory 1.877 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.417
Then I find very few patterns in the guest's memory after 3 seconds 4.650 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:331 0.992
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.061
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 6.464
And I prepare Tails for memory erasure tests 0.323
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.701
Then I find very few patterns in the guest's memory 1.780 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.081
Then patterns cover at least 99% of the test FS size in the guest's memory 1.919 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.538
Then I find very few patterns in the guest's memory after 3 seconds 4.674 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 3.514
And I read the content of the test FS 0.284
Then patterns cover at least 99% of the test FS size in the guest's memory 1.789 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory after 3 seconds 4.529 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:331 0.742
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.356
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 6.656
And I prepare Tails for memory erasure tests 0.315
When I fill a 128 MiB file with a known pattern on the root filesystem 11.762
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.666
Then patterns cover at least 128 MiB in the guest's memory 1.480 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.469 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:331 3.698
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:2.047
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 3:30.615
And I prepare Tails for memory erasure tests 0.285
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.195
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.944 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 3.651
After features/support/hooks.rb:100 0.008