Project Number Date
test_Tails_ISO_stable 6610 27 Aug 2026, 07:26

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 7:34.368 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
19.587
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 6.188
And I prepare Tails for memory erasure tests 0.294
When I start a process allocating 128 MiB of memory with a known pattern 2.178
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.920 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.183
Then I find very few patterns in the guest's memory after 5 seconds 7.822 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 0.616
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.699
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 6.173
And I prepare Tails for memory erasure tests 0.290
And I find very few patterns in the guest's memory 2.622 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.529
Then patterns cover at least 99% of the test FS size in the guest's memory 2.935 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.434
Then I find very few patterns in the guest's memory after 3 seconds 5.713 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
After features/support/hooks.rb:339 0.994
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.389
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 6.143
And I prepare Tails for memory erasure tests 0.356
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.141
Then I find very few patterns in the guest's memory 2.902 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.746
Then patterns cover at least 75% of the test FS size in the guest's memory 3.358 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.694
Then I find very few patterns in the guest's memory after 3 seconds 6.137 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
# read cache
When I mount the USB drive again 0.165
And I read the content of the test FS 0.567
Then patterns cover at least 99% of the test FS size in the guest's memory 3.971 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.474
Then I find very few patterns in the guest's memory after 3 seconds 6.728 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:339 0.876
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:12.475
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 6.269
And I prepare Tails for memory erasure tests 0.258
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.272
Then I find very few patterns in the guest's memory 4.293 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.338
Then patterns cover at least 99% of the test FS size in the guest's memory 5.886 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.490
Then I find very few patterns in the guest's memory after 3 seconds 8.603 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
# read cache
When I mount the USB drive again 4.305
And I read the content of the test FS 0.403
Then patterns cover at least 99% of the test FS size in the guest's memory 4.571 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.423
Then I find very few patterns in the guest's memory after 3 seconds 7.358 
Pattern coverage: 0.000% (0 MiB out of 1458 MiB reference memory)
After features/support/hooks.rb:339 0.760
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.619
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 6.285
And I prepare Tails for memory erasure tests 0.268
When I fill a 128 MiB file with a known pattern on the root filesystem 13.270
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.529
Then patterns cover at least 128 MiB in the guest's memory 2.497 
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 20.763 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 3.380
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:18.597
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:46.722
And I prepare Tails for memory erasure tests 0.249
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.611
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.007 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:339 3.610
After features/support/hooks.rb:108 0.008