Project Number Date
test_Tails_ISO_stable 6050 10 Jan 2026, 11:39

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 7:26.272 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
17.224
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 6.639
And I prepare Tails for memory erasure tests 0.344
When I start a process allocating 128 MiB of memory with a known pattern 1.148
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.919 
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 6.994 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 0.980
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.247
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 6.597
And I prepare Tails for memory erasure tests 0.352
And I find very few patterns in the guest's memory 1.698 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.337
Then patterns cover at least 99% of the test FS size in the guest's memory 2.075 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.292
Then I find very few patterns in the guest's memory after 3 seconds 4.892 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.990
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.138
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 6.737
And I prepare Tails for memory erasure tests 0.348
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.208
Then I find very few patterns in the guest's memory 1.791 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.234
Then patterns cover at least 75% of the test FS size in the guest's memory 2.256 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.916
Then I find very few patterns in the guest's memory after 3 seconds 4.908 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.188
And I read the content of the test FS 0.501
Then patterns cover at least 99% of the test FS size in the guest's memory 1.949 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.436
Then I find very few patterns in the guest's memory after 3 seconds 4.660 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 0.627
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.215
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 6.864
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.857
Then I find very few patterns in the guest's memory 1.573 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.044
Then patterns cover at least 99% of the test FS size in the guest's memory 1.779 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.495
Then I find very few patterns in the guest's memory after 3 seconds 5.186 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 4.598
And I read the content of the test FS 0.352
Then patterns cover at least 99% of the test FS size in the guest's memory 1.921 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.425
Then I find very few patterns in the guest's memory after 3 seconds 4.690 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 1.035
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.550
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 6.881
And I prepare Tails for memory erasure tests 0.340
When I fill a 128 MiB file with a known pattern on the root filesystem 12.470
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.847
Then patterns cover at least 128 MiB in the guest's memory 1.464 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.537 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 3.510
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:36.896
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 4:5.230
And I prepare Tails for memory erasure tests 0.371
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.270
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.018 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:331 3.829
After features/support/hooks.rb:100 0.010