Project Number Date
test_Tails_ISO_stable 6645 08 Sep 2026, 07:37

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 7:38.552 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
20.365
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.730
And I prepare Tails for memory erasure tests 0.367
When I start a process allocating 128 MiB of memory with a known pattern 2.217
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.986 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.209
Then I find very few patterns in the guest's memory after 5 seconds 7.853 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.864
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.672
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 6.551
And I prepare Tails for memory erasure tests 0.322
And I find very few patterns in the guest's memory 2.963 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.616
Then patterns cover at least 99% of the test FS size in the guest's memory 2.972 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.465
Then I find very few patterns in the guest's memory after 3 seconds 5.780 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 0.556
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.245
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.423
And I prepare Tails for memory erasure tests 0.319
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.354
Then I find very few patterns in the guest's memory 2.884 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.615
Then patterns cover at least 75% of the test FS size in the guest's memory 3.306 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.687
Then I find very few patterns in the guest's memory after 3 seconds 5.740 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# read cache
When I mount the USB drive again 0.157
And I read the content of the test FS 0.587
Then patterns cover at least 99% of the test FS size in the guest's memory 2.933 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.495
Then I find very few patterns in the guest's memory after 3 seconds 5.739 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 0.944
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.068
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 6.526
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.294
Then I find very few patterns in the guest's memory 2.680 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.865
Then patterns cover at least 99% of the test FS size in the guest's memory 2.626 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.523
Then I find very few patterns in the guest's memory after 3 seconds 5.526 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# read cache
When I mount the USB drive again 3.385
And I read the content of the test FS 0.339
Then patterns cover at least 99% of the test FS size in the guest's memory 2.894 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.426
Then I find very few patterns in the guest's memory after 3 seconds 5.554 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.671
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.753
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.748
And I prepare Tails for memory erasure tests 0.311
When I fill a 128 MiB file with a known pattern on the root filesystem 12.160
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.558
Then patterns cover at least 128 MiB in the guest's memory 2.199 
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 20.770 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 3.837
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:35.446
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 4:4.662
And I prepare Tails for memory erasure tests 0.331
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.282
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.164 
Pattern coverage: 0.000% (0 MiB out of 1431 MiB reference memory)
After features/support/hooks.rb:339 3.754
After features/support/hooks.rb:108 0.082