Project Number Date
test_Tails_ISO_post-7.14-release-process 1 29 Sep 2026, 20:26

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 7:40.236 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
20.705
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.009
Given I have started Tails from DVD without network and logged in 6.586
And I prepare Tails for memory erasure tests 0.459
When I start a process allocating 128 MiB of memory with a known pattern 2.337
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.320 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.280
Then I find very few patterns in the guest's memory after 5 seconds 7.721 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 1.054
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.870
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 6.758
And I prepare Tails for memory erasure tests 0.433
And I find very few patterns in the guest's memory 2.952 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.604
Then patterns cover at least 99% of the test FS size in the guest's memory 3.034 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.372
Then I find very few patterns in the guest's memory after 3 seconds 5.713 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
After features/support/hooks.rb:339 0.807
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.415
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 7.104
And I prepare Tails for memory erasure tests 0.344
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.740
Then I find very few patterns in the guest's memory 2.772 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.775
Then patterns cover at least 75% of the test FS size in the guest's memory 5.460 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.799
Then I find very few patterns in the guest's memory after 3 seconds 5.960 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# read cache
When I mount the USB drive again 0.248
And I read the content of the test FS 0.620
Then patterns cover at least 99% of the test FS size in the guest's memory 3.238 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.439
Then I find very few patterns in the guest's memory after 3 seconds 8.911 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 0.861
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:7.209
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 6.816
And I prepare Tails for memory erasure tests 0.278
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.397
Then I find very few patterns in the guest's memory 3.574 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.526
Then patterns cover at least 99% of the test FS size in the guest's memory 4.023 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.598
Then I find very few patterns in the guest's memory after 3 seconds 6.050 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
# read cache
When I mount the USB drive again 4.237
And I read the content of the test FS 0.346
Then patterns cover at least 99% of the test FS size in the guest's memory 3.381 
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 6.487 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 1.024
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.548
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 6.408
And I prepare Tails for memory erasure tests 0.295
When I fill a 128 MiB file with a known pattern on the root filesystem 12.286
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.530
Then patterns cover at least 128 MiB in the guest's memory 2.250 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.771 
Pattern coverage: 0.000% (0 MiB out of 1428 MiB reference memory)
After features/support/hooks.rb:339 3.507
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:23.486
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:52.102
And I prepare Tails for memory erasure tests 0.305
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.684
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.372 
Pattern coverage: 0.000% (0 MiB out of 1440 MiB reference memory)
After features/support/hooks.rb:339 3.790
After features/support/hooks.rb:108 0.019