Project Number Date
test_Tails_ISO_post-rm-7.11 10 21 Aug 2026, 18:15

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 7:54.754 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
23.377
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 6.827
And I prepare Tails for memory erasure tests 0.334
When I start a process allocating 128 MiB of memory with a known pattern 2.193
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.655 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.220
Then I find very few patterns in the guest's memory after 5 seconds 10.145 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.947
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
27.734
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 6.519
And I prepare Tails for memory erasure tests 0.343
And I find very few patterns in the guest's memory 5.990 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.638
Then patterns cover at least 99% of the test FS size in the guest's memory 5.187 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.459
Then I find very few patterns in the guest's memory after 3 seconds 7.593 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:339 1.137
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.806
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 7.436
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.347
Then I find very few patterns in the guest's memory 4.696 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.690
Then patterns cover at least 75% of the test FS size in the guest's memory 5.061 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.824
Then I find very few patterns in the guest's memory after 3 seconds 6.831 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 0.204
And I read the content of the test FS 0.559
Then patterns cover at least 99% of the test FS size in the guest's memory 3.635 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 6.600 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 1.042
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.419
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 6.858
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" 30.924
Then I find very few patterns in the guest's memory 3.017 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.428
Then patterns cover at least 99% of the test FS size in the guest's memory 2.942 
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 5.787 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# read cache
When I mount the USB drive again 4.263
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 2.943 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory after 3 seconds 5.447 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 0.872
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.593
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 6.416
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the root filesystem 12.994
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.604
Then patterns cover at least 128 MiB in the guest's memory 2.258 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.851 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 3.427
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:28.823
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 3:57.591
And I prepare Tails for memory erasure tests 0.303
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.762
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.161 
Pattern coverage: 0.000% (0 MiB out of 1519 MiB reference memory)
After features/support/hooks.rb:339 3.411
After features/support/hooks.rb:108 0.013