Project Number Date
test_Tails_ISO_21720-less-error-prone-emergency-release 2 20 Aug 2026, 13:36

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 7:44.793 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
20.582
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 6.481
And I prepare Tails for memory erasure tests 0.365
When I start a process allocating 128 MiB of memory with a known pattern 2.219
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.050 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.763
Then I find very few patterns in the guest's memory after 5 seconds 7.702 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 0.637
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.276
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 6.400
And I prepare Tails for memory erasure tests 0.309
And I find very few patterns in the guest's memory 2.884 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.562
Then patterns cover at least 99% of the test FS size in the guest's memory 3.021 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.439
Then I find very few patterns in the guest's memory after 3 seconds 5.658 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.926
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.058
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 6.260
And I prepare Tails for memory erasure tests 0.235
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.173
Then I find very few patterns in the guest's memory 2.752 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.975
Then patterns cover at least 75% of the test FS size in the guest's memory 3.325 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.805
Then I find very few patterns in the guest's memory after 3 seconds 5.703 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
# read cache
When I mount the USB drive again 0.200
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 2.883 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.456
Then I find very few patterns in the guest's memory after 3 seconds 5.696 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.690
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.513
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 6.278
And I prepare Tails for memory erasure tests 0.311
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.750
Then I find very few patterns in the guest's memory 2.770 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.914
Then patterns cover at least 99% of the test FS size in the guest's memory 2.645 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.506
Then I find very few patterns in the guest's memory after 3 seconds 5.461 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# read cache
When I mount the USB drive again 3.837
And I read the content of the test FS 0.373
Then patterns cover at least 99% of the test FS size in the guest's memory 2.775 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.396
Then I find very few patterns in the guest's memory after 3 seconds 5.491 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 0.696
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.602
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 6.315
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 13.525
# 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 2.291 
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 20.693 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 3.806
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:41.760
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 4:9.709
And I prepare Tails for memory erasure tests 0.362
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.575
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.107 
Pattern coverage: 0.000% (0 MiB out of 1445 MiB reference memory)
After features/support/hooks.rb:339 3.444
After features/support/hooks.rb:108 0.039