Project Number Date
test_Tails_ISO_stable 6213 17 Mar 2026, 20:26

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 7:24.920 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
18.741
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 6.574
And I prepare Tails for memory erasure tests 0.465
When I start a process allocating 128 MiB of memory with a known pattern 2.244
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.177 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.306
Then I find very few patterns in the guest's memory after 5 seconds 6.973 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 1.122
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
20.079
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 6.541
And I prepare Tails for memory erasure tests 0.390
And I find very few patterns in the guest's memory 2.108 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.580
Then patterns cover at least 99% of the test FS size in the guest's memory 2.469 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.017
Then I find very few patterns in the guest's memory after 3 seconds 4.971 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.385
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 6.691
And I prepare Tails for memory erasure tests 0.641
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.061
Then I find very few patterns in the guest's memory 2.034 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.327
Then patterns cover at least 75% of the test FS size in the guest's memory 2.070 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.241
Then I find very few patterns in the guest's memory after 3 seconds 4.891 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
# read cache
When I mount the USB drive again 0.202
And I read the content of the test FS 0.620
Then patterns cover at least 99% of the test FS size in the guest's memory 2.228 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.308
Then I find very few patterns in the guest's memory after 3 seconds 5.065 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 1.046
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.457
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 6.625
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.506
Then I find very few patterns in the guest's memory 1.844 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.655
Then patterns cover at least 99% of the test FS size in the guest's memory 1.930 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.513
Then I find very few patterns in the guest's memory after 3 seconds 4.849 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
# read cache
When I mount the USB drive again 6.290
And I read the content of the test FS 0.415
Then patterns cover at least 99% of the test FS size in the guest's memory 2.066 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 4.822 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 1.038
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.449
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 6.753
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the root filesystem 14.475
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.618
Then patterns cover at least 128 MiB in the guest's memory 1.590 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.587 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 3.611
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:23.805
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 3:50.787
And I prepare Tails for memory erasure tests 0.337
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.423
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.252 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:331 3.452
After features/support/hooks.rb:100 0.012