Project Number Date
test_Tails_ISO_stable 6151 17 Feb 2026, 13:10

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 7:33.091 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
18.732
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 6.674
And I prepare Tails for memory erasure tests 0.359
When I start a process allocating 128 MiB of memory with a known pattern 2.205
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.295 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.255
Then I find very few patterns in the guest's memory after 5 seconds 6.941 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 1.263
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.069
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 6.660
And I prepare Tails for memory erasure tests 0.350
And I find very few patterns in the guest's memory 1.832 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.214
Then patterns cover at least 99% of the test FS size in the guest's memory 2.303 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.818
Then I find very few patterns in the guest's memory after 3 seconds 4.889 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:331 0.885
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.828
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 6.578
And I prepare Tails for memory erasure tests 0.519
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.458
Then I find very few patterns in the guest's memory 2.050 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.316
Then patterns cover at least 75% of the test FS size in the guest's memory 2.110 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.085
Then I find very few patterns in the guest's memory after 3 seconds 4.867 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 0.180
And I read the content of the test FS 0.445
Then patterns cover at least 99% of the test FS size in the guest's memory 1.969 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.353
Then I find very few patterns in the guest's memory after 3 seconds 4.892 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 1.029
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.638
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 6.633
And I prepare Tails for memory erasure tests 0.315
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.118
Then I find very few patterns in the guest's memory 1.775 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.107
Then patterns cover at least 99% of the test FS size in the guest's memory 1.885 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.627
Then I find very few patterns in the guest's memory after 3 seconds 4.641 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 12.155
And I read the content of the test FS 0.334
Then patterns cover at least 99% of the test FS size in the guest's memory 1.895 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.568
Then I find very few patterns in the guest's memory after 3 seconds 4.579 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 0.899
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.642
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 6.636
And I prepare Tails for memory erasure tests 0.425
When I fill a 128 MiB file with a known pattern on the root filesystem 12.896
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.426
Then patterns cover at least 128 MiB in the guest's memory 1.481 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.770 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 3.424
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:26.181
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 3:53.570
And I prepare Tails for memory erasure tests 0.324
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.377
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.903 
Pattern coverage: 0.000% (0 MiB out of 1498 MiB reference memory)
After features/support/hooks.rb:331 3.589
After features/support/hooks.rb:100 0.009