Project Number Date
test_Tails_ISO_21762-fix-htpdate-pool 1 02 Sep 2026, 22:25

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 8:18.574 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
20.209
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.527
And I prepare Tails for memory erasure tests 0.327
When I start a process allocating 128 MiB of memory with a known pattern 2.257
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.056 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.216
Then I find very few patterns in the guest's memory after 5 seconds 7.822 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 1.013
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
22.043
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 7.171
And I prepare Tails for memory erasure tests 0.329
And I find very few patterns in the guest's memory 3.033 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.624
Then patterns cover at least 99% of the test FS size in the guest's memory 3.110 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.426
Then I find very few patterns in the guest's memory after 3 seconds 6.348 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:339 0.751
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.498
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.532
And I prepare Tails for memory erasure tests 0.337
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.284
Then I find very few patterns in the guest's memory 2.764 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.751
Then patterns cover at least 75% of the test FS size in the guest's memory 3.335 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.865
Then I find very few patterns in the guest's memory after 3 seconds 6.140 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# read cache
When I mount the USB drive again 0.165
And I read the content of the test FS 0.716
Then patterns cover at least 99% of the test FS size in the guest's memory 5.496 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.419
Then I find very few patterns in the guest's memory after 3 seconds 8.688 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 0.869
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:10.857
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.608
And I prepare Tails for memory erasure tests 0.344
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.230
Then I find very few patterns in the guest's memory 3.767 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.540
Then patterns cover at least 99% of the test FS size in the guest's memory 3.766 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.516
Then I find very few patterns in the guest's memory after 3 seconds 8.029 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# read cache
When I mount the USB drive again 4.724
And I read the content of the test FS 0.367
Then patterns cover at least 99% of the test FS size in the guest's memory 3.675 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.435
Then I find very few patterns in the guest's memory after 3 seconds 5.851 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:339 1.034
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.788
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 7.746
And I prepare Tails for memory erasure tests 0.378
When I fill a 128 MiB file with a known pattern on the root filesystem 12.740
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.817
Then patterns cover at least 128 MiB in the guest's memory 2.331 
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 20.767 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:339 3.792
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:56.178
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:23.931
And I prepare Tails for memory erasure tests 0.316
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.632
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.292 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 3.657
After features/support/hooks.rb:108 0.021