Project Number Date
test_Tails_ISO_devel 4164 14 Jan 2026, 09:14

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 13:18.158 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
45.980
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.371
And I prepare Tails for memory erasure tests 0.383
When I start a process allocating 128 MiB of memory with a known pattern 2.232
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.250 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.205
Then I find very few patterns in the guest's memory after 5 seconds 19.536 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 0.964
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.207
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.107
And I prepare Tails for memory erasure tests 0.370
And I find very few patterns in the guest's memory 14.724 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.831
Then patterns cover at least 99% of the test FS size in the guest's memory 27.642 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.225
Then I find very few patterns in the guest's memory after 3 seconds 17.305 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 0.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:53.874
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.407
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.846
Then I find very few patterns in the guest's memory 15.320 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.396
Then patterns cover at least 75% of the test FS size in the guest's memory 16.197 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.528
Then I find very few patterns in the guest's memory after 3 seconds 17.169 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# read cache
When I mount the USB drive again 0.197
And I read the content of the test FS 0.543
Then patterns cover at least 99% of the test FS size in the guest's memory 18.839 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.387
Then I find very few patterns in the guest's memory after 3 seconds 24.657 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 1.163
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:15.416
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.425
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.378
Then I find very few patterns in the guest's memory 19.264 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.765
Then patterns cover at least 99% of the test FS size in the guest's memory 13.359 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.750
Then I find very few patterns in the guest's memory after 3 seconds 15.726 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
# read cache
When I mount the USB drive again 4.359
And I read the content of the test FS 0.480
Then patterns cover at least 99% of the test FS size in the guest's memory 13.270 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.545
Then I find very few patterns in the guest's memory after 3 seconds 15.655 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:331 1.329
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.260
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.327
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the root filesystem 11.822
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.266
Then patterns cover at least 128 MiB in the guest's memory 9.642 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.788 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:331 3.957
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:15.420
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:40.580
And I prepare Tails for memory erasure tests 0.404
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.945
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 23.480 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 3.688
After features/support/hooks.rb:100 0.013