Project Number Date
test_Tails_ISO_devel 4234 16 Feb 2026, 13:48

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 7:30.201 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
19.481
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 6.991
And I prepare Tails for memory erasure tests 0.366
When I start a process allocating 128 MiB of memory with a known pattern 2.305
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.159 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.187
Then I find very few patterns in the guest's memory after 5 seconds 7.471 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:331 0.801
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.551
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 6.839
And I prepare Tails for memory erasure tests 0.349
And I find very few patterns in the guest's memory 1.851 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.089
Then patterns cover at least 99% of the test FS size in the guest's memory 2.525 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.946
Then I find very few patterns in the guest's memory after 3 seconds 4.950 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 0.743
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.252
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 6.949
And I prepare Tails for memory erasure tests 0.362
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.581
Then I find very few patterns in the guest's memory 2.540 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.060
Then patterns cover at least 75% of the test FS size in the guest's memory 2.460 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.143
Then I find very few patterns in the guest's memory after 3 seconds 4.816 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.164
And I read the content of the test FS 0.451
Then patterns cover at least 99% of the test FS size in the guest's memory 2.112 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.275
Then I find very few patterns in the guest's memory after 3 seconds 5.333 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:331 1.262
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.447
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 7.057
And I prepare Tails for memory erasure tests 0.367
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.444
Then I find very few patterns in the guest's memory 2.038 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.379
Then patterns cover at least 99% of the test FS size in the guest's memory 1.988 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.650
Then I find very few patterns in the guest's memory after 3 seconds 4.879 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 3.695
And I read the content of the test FS 0.372
Then patterns cover at least 99% of the test FS size in the guest's memory 1.920 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.485
Then I find very few patterns in the guest's memory after 3 seconds 5.167 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 0.969
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.913
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 7.035
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the root filesystem 13.480
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.670
Then patterns cover at least 128 MiB in the guest's memory 1.631 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 20.586 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 3.685
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:32.554
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 4:0.162
And I prepare Tails for memory erasure tests 0.335
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.056
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.993 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:331 3.744
After features/support/hooks.rb:100 0.011