Project Number Date
test_Tails_ISO_devel 4675 14 Oct 2026, 11:12

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 7:13.390 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
20.127
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 6.231
And I prepare Tails for memory erasure tests 0.293
When I start a process allocating 128 MiB of memory with a known pattern 2.189
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.855 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.718
Then I find very few patterns in the guest's memory after 5 seconds 7.839 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
After features/support/hooks.rb:339 0.627
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.722
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 6.185
And I prepare Tails for memory erasure tests 0.314
And I find very few patterns in the guest's memory 2.392 
Pattern coverage: 0.000% (0 MiB out of 1402 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 2.878 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.406
Then I find very few patterns in the guest's memory after 3 seconds 5.920 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 1.239
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.235
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 6.205
And I prepare Tails for memory erasure tests 0.297
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.133
Then I find very few patterns in the guest's memory 2.510 
Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.777
Then patterns cover at least 75% of the test FS size in the guest's memory 3.096 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.794
Then I find very few patterns in the guest's memory after 3 seconds 5.799 
Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)
# read cache
When I mount the USB drive again 0.183
And I read the content of the test FS 0.515
Then patterns cover at least 99% of the test FS size in the guest's memory 2.828 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.459
Then I find very few patterns in the guest's memory after 3 seconds 5.633 
Pattern coverage: 0.000% (0 MiB out of 1382 MiB reference memory)
After features/support/hooks.rb:339 0.980
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.305
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 6.273
And I prepare Tails for memory erasure tests 0.267
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.268
Then I find very few patterns in the guest's memory 2.673 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.039
Then patterns cover at least 99% of the test FS size in the guest's memory 2.933 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.517
Then I find very few patterns in the guest's memory after 3 seconds 6.693 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
# read cache
When I mount the USB drive again 3.849
And I read the content of the test FS 0.332
Then patterns cover at least 99% of the test FS size in the guest's memory 4.645 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.402
Then I find very few patterns in the guest's memory after 3 seconds 6.409 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
After features/support/hooks.rb:339 0.978
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.645
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 6.140
And I prepare Tails for memory erasure tests 0.284
When I fill a 128 MiB file with a known pattern on the root filesystem 12.836
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.320
Then patterns cover at least 128 MiB in the guest's memory 2.302 
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 20.756 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
After features/support/hooks.rb:339 3.354
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:8.354
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 3:37.023
And I prepare Tails for memory erasure tests 0.223
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.869
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.233 
Pattern coverage: 0.000% (0 MiB out of 1431 MiB reference memory)
After features/support/hooks.rb:339 3.842
After features/support/hooks.rb:108 0.010