Project Number Date
test_Tails_ISO_post-7.15.1-release-process 4 25 Oct 2026, 19:19

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 7:6.914 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
19.562
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 6.193
And I prepare Tails for memory erasure tests 0.325
When I start a process allocating 128 MiB of memory with a known pattern 2.267
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.981 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.193
Then I find very few patterns in the guest's memory after 5 seconds 7.600 
Pattern coverage: 0.000% (0 MiB out of 1392 MiB reference memory)
After features/support/hooks.rb:339 0.624
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.991
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 6.145
And I prepare Tails for memory erasure tests 0.290
And I find very few patterns in the guest's memory 2.755 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.521
Then patterns cover at least 99% of the test FS size in the guest's memory 3.081 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.383
Then I find very few patterns in the guest's memory after 3 seconds 5.813 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.752
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.357
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 6.241
And I prepare Tails for memory erasure tests 0.270
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.328
Then I find very few patterns in the guest's memory 2.695 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.438
Then patterns cover at least 75% of the test FS size in the guest's memory 2.967 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.655
Then I find very few patterns in the guest's memory after 3 seconds 5.842 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.565
Then patterns cover at least 99% of the test FS size in the guest's memory 2.932 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.413
Then I find very few patterns in the guest's memory after 3 seconds 5.841 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 0.854
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.875
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 6.137
And I prepare Tails for memory erasure tests 0.274
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.269
Then I find very few patterns in the guest's memory 2.637 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.127
Then patterns cover at least 99% of the test FS size in the guest's memory 2.817 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.426
Then I find very few patterns in the guest's memory after 3 seconds 5.536 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# read cache
When I mount the USB drive again 3.958
And I read the content of the test FS 0.321
Then patterns cover at least 99% of the test FS size in the guest's memory 2.540 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.412
Then I find very few patterns in the guest's memory after 3 seconds 5.416 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.870
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
42.852
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 6.182
And I prepare Tails for memory erasure tests 0.316
When I fill a 128 MiB file with a known pattern on the root filesystem 12.044
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.386
Then patterns cover at least 128 MiB in the guest's memory 2.144 
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 20.772 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 3.691
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:9.273
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:38.171
And I prepare Tails for memory erasure tests 0.265
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.756
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.075 
Pattern coverage: 0.000% (0 MiB out of 1433 MiB reference memory)
After features/support/hooks.rb:339 3.422
After features/support/hooks.rb:108 0.009