Project Number Date
test_Tails_ISO_stable 6216 19 Mar 2026, 06:55

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 7:12.625 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
18.777
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 6.843
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 2.237
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.024 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.273
Then I find very few patterns in the guest's memory after 5 seconds 6.997 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 1.150
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.909
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 6.806
And I prepare Tails for memory erasure tests 0.379
And I find very few patterns in the guest's memory 1.863 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.012
Then patterns cover at least 99% of the test FS size in the guest's memory 2.068 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.795
Then I find very few patterns in the guest's memory after 3 seconds 4.983 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.946
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.412
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 6.877
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.249
Then I find very few patterns in the guest's memory 1.899 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.030
Then patterns cover at least 75% of the test FS size in the guest's memory 2.169 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.080
Then I find very few patterns in the guest's memory after 3 seconds 4.859 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 0.176
And I read the content of the test FS 0.491
Then patterns cover at least 99% of the test FS size in the guest's memory 1.998 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.296
Then I find very few patterns in the guest's memory after 3 seconds 4.883 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.857
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.918
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 6.555
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.222
Then I find very few patterns in the guest's memory 1.825 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.092
Then patterns cover at least 99% of the test FS size in the guest's memory 1.806 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.623
Then I find very few patterns in the guest's memory after 3 seconds 4.845 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
# read cache
When I mount the USB drive again 4.093
And I read the content of the test FS 0.362
Then patterns cover at least 99% of the test FS size in the guest's memory 1.948 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.373
Then I find very few patterns in the guest's memory after 3 seconds 4.767 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 0.898
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.257
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 6.687
And I prepare Tails for memory erasure tests 0.366
When I fill a 128 MiB file with a known pattern on the root filesystem 13.192
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.831
Then patterns cover at least 128 MiB in the guest's memory 1.608 
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 20.563 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 3.787
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:18.349
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:46.051
And I prepare Tails for memory erasure tests 0.338
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.958
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.990 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 3.910
After features/support/hooks.rb:100 0.009