Project Number Date
test_Tails_ISO_stable 6173 26 Feb 2026, 08:26

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 12:19.597 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
46.129
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 8.321
And I prepare Tails for memory erasure tests 0.373
When I start a process allocating 128 MiB of memory with a known pattern 2.261
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.618 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.209
Then I find very few patterns in the guest's memory after 5 seconds 19.345 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 0.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.683
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 8.264
And I prepare Tails for memory erasure tests 0.378
And I find very few patterns in the guest's memory 14.358 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.698
Then patterns cover at least 99% of the test FS size in the guest's memory 15.372 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.168
Then I find very few patterns in the guest's memory after 3 seconds 17.441 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 1.023
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:40.195
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 8.340
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.635
Then I find very few patterns in the guest's memory 14.702 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.158
Then patterns cover at least 75% of the test FS size in the guest's memory 15.490 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.479
Then I find very few patterns in the guest's memory after 3 seconds 16.970 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# read cache
When I mount the USB drive again 0.212
And I read the content of the test FS 0.764
Then patterns cover at least 99% of the test FS size in the guest's memory 14.876 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.407
Then I find very few patterns in the guest's memory after 3 seconds 16.688 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 0.861
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:59.149
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 8.365
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.685
Then I find very few patterns in the guest's memory 13.006 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.675
Then patterns cover at least 99% of the test FS size in the guest's memory 13.567 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.626
Then I find very few patterns in the guest's memory after 3 seconds 15.962 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
# read cache
When I mount the USB drive again 4.426
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 14.052 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.502
Then I find very few patterns in the guest's memory after 3 seconds 15.467 
Pattern coverage: 0.000% (0 MiB out of 1496 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
1:1.139
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 8.382
And I prepare Tails for memory erasure tests 0.428
When I fill a 128 MiB file with a known pattern on the root filesystem 11.776
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.519
Then patterns cover at least 128 MiB in the guest's memory 12.744 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 25.276 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 3.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
5:53.300
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.011
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:20.321
And I prepare Tails for memory erasure tests 0.323
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.221
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 23.421 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:331 3.638
After features/support/hooks.rb:100 0.029