Project Number Date
test_Tails_ISO_save-thunderbird-pcap 1 08 Sep 2026, 19:34

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 8:5.584 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
20.732
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 6.774
And I prepare Tails for memory erasure tests 0.322
When I start a process allocating 128 MiB of memory with a known pattern 2.195
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.056 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.206
Then I find very few patterns in the guest's memory after 5 seconds 8.177 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 1.192
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.115
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 6.758
And I prepare Tails for memory erasure tests 0.356
And I find very few patterns in the guest's memory 2.763 
Pattern coverage: 0.000% (0 MiB out of 1411 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 3.236 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.529
Then I find very few patterns in the guest's memory after 3 seconds 5.853 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 0.614
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
41.361
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.577
And I prepare Tails for memory erasure tests 0.288
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.308
Then I find very few patterns in the guest's memory 4.063 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.884
Then patterns cover at least 75% of the test FS size in the guest's memory 3.444 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.729
Then I find very few patterns in the guest's memory after 3 seconds 6.102 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
# read cache
When I mount the USB drive again 0.205
And I read the content of the test FS 0.674
Then patterns cover at least 99% of the test FS size in the guest's memory 4.563 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.511
Then I find very few patterns in the guest's memory after 3 seconds 6.008 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
After features/support/hooks.rb:339 1.256
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.927
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 6.404
And I prepare Tails for memory erasure tests 0.374
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.504
Then I find very few patterns in the guest's memory 2.717 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.282
Then patterns cover at least 99% of the test FS size in the guest's memory 2.794 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.559
Then I find very few patterns in the guest's memory after 3 seconds 6.363 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# read cache
When I mount the USB drive again 4.697
And I read the content of the test FS 0.362
Then patterns cover at least 99% of the test FS size in the guest's memory 2.904 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 5.501 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
After features/support/hooks.rb:339 0.940
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.808
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 6.555
And I prepare Tails for memory erasure tests 0.341
When I fill a 128 MiB file with a known pattern on the root filesystem 12.913
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.435
Then patterns cover at least 128 MiB in the guest's memory 2.645 
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 20.904 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
After features/support/hooks.rb:339 3.765
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:51.638
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 4:19.358
And I prepare Tails for memory erasure tests 0.340
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.750
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.183 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 3.612
After features/support/hooks.rb:108 0.023