Project Number Date
test_Tails_ISO_devel 4548 14 Aug 2026, 07:39

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 7:25.260 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
20.022
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 6.317
And I prepare Tails for memory erasure tests 0.362
When I start a process allocating 128 MiB of memory with a known pattern 2.166
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.821 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.715
Then I find very few patterns in the guest's memory after 5 seconds 7.638 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:339 0.662
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.434
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 6.293
And I prepare Tails for memory erasure tests 0.270
And I find very few patterns in the guest's memory 2.583 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.439
Then patterns cover at least 99% of the test FS size in the guest's memory 2.858 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.349
Then I find very few patterns in the guest's memory after 3 seconds 5.639 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.706
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
35.761
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 6.167
And I prepare Tails for memory erasure tests 0.298
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.166
Then I find very few patterns in the guest's memory 2.694 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.617
Then patterns cover at least 75% of the test FS size in the guest's memory 3.000 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.642
Then I find very few patterns in the guest's memory after 3 seconds 5.500 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# read cache
When I mount the USB drive again 0.189
And I read the content of the test FS 0.551
Then patterns cover at least 99% of the test FS size in the guest's memory 2.808 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.680 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.914
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.638
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 0.286
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.534
Then I find very few patterns in the guest's memory 2.664 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.199
Then patterns cover at least 99% of the test FS size in the guest's memory 2.614 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.513
Then I find very few patterns in the guest's memory after 3 seconds 5.660 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 4.187
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 2.457 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.430
Then I find very few patterns in the guest's memory after 3 seconds 5.503 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.578
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.567
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 6.181
And I prepare Tails for memory erasure tests 0.287
When I fill a 128 MiB file with a known pattern on the root filesystem 12.774
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.485
Then patterns cover at least 128 MiB in the guest's memory 2.130 
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 20.701 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:339 3.512
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:25.837
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:54.345
And I prepare Tails for memory erasure tests 0.289
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.101
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.095 
Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)
After features/support/hooks.rb:339 3.861
After features/support/hooks.rb:108 0.010