Project Number Date
test_Tails_ISO_stable 6088 23 Jan 2026, 12:06

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 9:32.581 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
19.062
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 6.804
And I prepare Tails for memory erasure tests 0.853
When I start a process allocating 128 MiB of memory with a known pattern 2.224
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.998 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.224
Then I find very few patterns in the guest's memory after 5 seconds 6.958 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.769
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.538
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 6.766
And I prepare Tails for memory erasure tests 0.770
And I find very few patterns in the guest's memory 1.826 
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 2.312
Then patterns cover at least 99% of the test FS size in the guest's memory 2.077 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.796
Then I find very few patterns in the guest's memory after 3 seconds 4.989 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:331 0.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
35.127
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 6.677
And I prepare Tails for memory erasure tests 0.780
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.209
Then I find very few patterns in the guest's memory 1.915 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.265
Then patterns cover at least 75% of the test FS size in the guest's memory 2.303 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.956
Then I find very few patterns in the guest's memory after 3 seconds 4.643 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
# read cache
When I mount the USB drive again 0.177
And I read the content of the test FS 0.387
Then patterns cover at least 99% of the test FS size in the guest's memory 1.876 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.266
Then I find very few patterns in the guest's memory after 3 seconds 4.667 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 0.979
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.800
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 7.012
And I prepare Tails for memory erasure tests 0.753
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.558
Then I find very few patterns in the guest's memory 1.718 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.952
Then patterns cover at least 99% of the test FS size in the guest's memory 1.953 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.581
Then I find very few patterns in the guest's memory after 3 seconds 4.705 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 13.761
And I read the content of the test FS 0.439
Then patterns cover at least 99% of the test FS size in the guest's memory 2.340 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.449
Then I find very few patterns in the guest's memory after 3 seconds 4.572 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 1.084
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.468
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 6.686
And I prepare Tails for memory erasure tests 0.976
When I fill a 128 MiB file with a known pattern on the root filesystem 14.174
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.720
Then patterns cover at least 128 MiB in the guest's memory 1.414 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.488 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 3.558
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:26.584
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 5:54.680
And I prepare Tails for memory erasure tests 0.309
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.637
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.951 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 3.881
After features/support/hooks.rb:100 0.012