Project Number Date
test_Tails_ISO_devel 4657 05 Oct 2026, 11:17

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 7:46.165 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
43.692
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 30.330
And I prepare Tails for memory erasure tests 0.351
When I start a process allocating 128 MiB of memory with a known pattern 2.228
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.041 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.214
Then I find very few patterns in the guest's memory after 5 seconds 7.525 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
After features/support/hooks.rb:339 1.007
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.811
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 6.221
And I prepare Tails for memory erasure tests 0.306
And I find very few patterns in the guest's memory 2.854 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.464
Then patterns cover at least 99% of the test FS size in the guest's memory 2.755 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.340
Then I find very few patterns in the guest's memory after 3 seconds 5.868 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.924
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.500
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 6.189
And I prepare Tails for memory erasure tests 0.276
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.477
Then I find very few patterns in the guest's memory 2.724 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.540
Then patterns cover at least 75% of the test FS size in the guest's memory 3.097 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.637
Then I find very few patterns in the guest's memory after 3 seconds 6.362 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
# read cache
When I mount the USB drive again 0.159
And I read the content of the test FS 0.650
Then patterns cover at least 99% of the test FS size in the guest's memory 2.914 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.442
Then I find very few patterns in the guest's memory after 3 seconds 6.027 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
After features/support/hooks.rb:339 0.736
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.663
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 6.171
And I prepare Tails for memory erasure tests 0.290
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.668
Then I find very few patterns in the guest's memory 2.559 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.305
Then patterns cover at least 99% of the test FS size in the guest's memory 2.993 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.558
Then I find very few patterns in the guest's memory after 3 seconds 5.855 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
# read cache
When I mount the USB drive again 4.183
And I read the content of the test FS 0.429
Then patterns cover at least 99% of the test FS size in the guest's memory 2.785 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.449
Then I find very few patterns in the guest's memory after 3 seconds 5.412 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
After features/support/hooks.rb:339 0.547
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.627
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 6.324
And I prepare Tails for memory erasure tests 0.339
When I fill a 128 MiB file with a known pattern on the root filesystem 13.803
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.957
Then patterns cover at least 128 MiB in the guest's memory 2.363 
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 20.834 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 3.370
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:13.870
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 3:41.472
And I prepare Tails for memory erasure tests 0.263
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.886
When I trigger shutdown 0.044
Then I find very few patterns in the guest's memory after 20 seconds 21.203 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 3.817
After features/support/hooks.rb:108 0.010