Project Number Date
test_Tails_ISO_21461-update-chutney 20 11 Aug 2026, 22:18

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 7:22.663 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
19.263
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 6.215
And I prepare Tails for memory erasure tests 0.304
When I start a process allocating 128 MiB of memory with a known pattern 2.193
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.818 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.188
Then I find very few patterns in the guest's memory after 5 seconds 7.542 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:339 0.970
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.774
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 6.220
And I prepare Tails for memory erasure tests 0.294
And I find very few patterns in the guest's memory 2.699 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.496
Then patterns cover at least 99% of the test FS size in the guest's memory 2.829 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.419
Then I find very few patterns in the guest's memory after 3 seconds 5.815 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 0.933
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.915
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.206
And I prepare Tails for memory erasure tests 0.279
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.030
Then I find very few patterns in the guest's memory 2.610 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.641
Then patterns cover at least 75% of the test FS size in the guest's memory 2.999 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory after 3 seconds 5.556 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
# read cache
When I mount the USB drive again 0.162
And I read the content of the test FS 0.646
Then patterns cover at least 99% of the test FS size in the guest's memory 2.901 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.383
Then I find very few patterns in the guest's memory after 3 seconds 5.831 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:339 0.799
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.098
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 6.266
And I prepare Tails for memory erasure tests 0.273
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.517
Then I find very few patterns in the guest's memory 2.579 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.010
Then patterns cover at least 99% of the test FS size in the guest's memory 2.684 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.424
Then I find very few patterns in the guest's memory after 3 seconds 5.447 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
# read cache
When I mount the USB drive again 3.737
And I read the content of the test FS 0.355
Then patterns cover at least 99% of the test FS size in the guest's memory 2.811 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.447
Then I find very few patterns in the guest's memory after 3 seconds 5.542 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 0.603
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.915
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 6.223
And I prepare Tails for memory erasure tests 0.292
When I fill a 128 MiB file with a known pattern on the root filesystem 12.956
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.585
Then patterns cover at least 128 MiB in the guest's memory 2.121 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.727 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 3.624
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:22.696
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 3:49.886
And I prepare Tails for memory erasure tests 0.269
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.445
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.090 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:339 3.511
After features/support/hooks.rb:108 0.010