Project Number Date
test_Tails_ISO_stable 6302 15 Apr 2026, 07:41

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 7:45.747 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
17.764
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 6.850
And I prepare Tails for memory erasure tests 0.373
When I start a process allocating 128 MiB of memory with a known pattern 1.239
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.155 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.303
Then I find very few patterns in the guest's memory after 5 seconds 6.841 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 1.175
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
17.696
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 6.978
And I prepare Tails for memory erasure tests 0.366
And I find very few patterns in the guest's memory 1.713 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.600
Then patterns cover at least 99% of the test FS size in the guest's memory 1.913 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.395
Then I find very few patterns in the guest's memory after 3 seconds 4.729 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 1.227
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
32.969
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 7.149
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.349
Then I find very few patterns in the guest's memory 1.749 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.275
Then patterns cover at least 75% of the test FS size in the guest's memory 2.122 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.880
Then I find very few patterns in the guest's memory after 3 seconds 4.818 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# read cache
When I mount the USB drive again 0.198
And I read the content of the test FS 0.626
Then patterns cover at least 99% of the test FS size in the guest's memory 2.209 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.446
Then I find very few patterns in the guest's memory after 3 seconds 4.717 
Pattern coverage: 0.000% (0 MiB out of 1495 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
1:10.609
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 6.666
And I prepare Tails for memory erasure tests 1.373
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.068
Then I find very few patterns in the guest's memory 1.901 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.798
Then patterns cover at least 99% of the test FS size in the guest's memory 2.080 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.640
Then I find very few patterns in the guest's memory after 3 seconds 4.850 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# read cache
When I mount the USB drive again 5.627
And I read the content of the test FS 0.361
Then patterns cover at least 99% of the test FS size in the guest's memory 1.964 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.489
Then I find very few patterns in the guest's memory after 3 seconds 4.786 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 1.057
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.334
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 7.042
And I prepare Tails for memory erasure tests 0.400
When I fill a 128 MiB file with a known pattern on the root filesystem 12.791
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.092
Then patterns cover at least 128 MiB in the guest's memory 1.511 
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 20.488 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:331 3.774
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:39.373
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 4:7.026
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.015
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.906 
Pattern coverage: 0.000% (0 MiB out of 1531 MiB reference memory)
After features/support/hooks.rb:331 3.423
After features/support/hooks.rb:100 0.012