Project Number Date
test_Tails_ISO_21736-reject-unsupported-installs 12 16 Oct 2026, 05:50

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 7:22.713 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
19.257
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 6.193
And I prepare Tails for memory erasure tests 0.246
When I start a process allocating 128 MiB of memory with a known pattern 2.184
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.824 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.270
Then I find very few patterns in the guest's memory after 5 seconds 7.538 
Pattern coverage: 0.000% (0 MiB out of 1419 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
19.448
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 6.216
And I prepare Tails for memory erasure tests 0.264
And I find very few patterns in the guest's memory 2.614 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.400
Then patterns cover at least 99% of the test FS size in the guest's memory 2.842 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.351
Then I find very few patterns in the guest's memory after 3 seconds 5.759 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 0.727
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.773
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 6.246
And I prepare Tails for memory erasure tests 0.283
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.576
Then I find very few patterns in the guest's memory 2.691 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.572
Then patterns cover at least 75% of the test FS size in the guest's memory 3.070 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.621
Then I find very few patterns in the guest's memory after 3 seconds 5.938 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
# read cache
When I mount the USB drive again 0.184
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 2.999 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.369
Then I find very few patterns in the guest's memory after 3 seconds 5.629 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 0.935
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.626
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 6.166
And I prepare Tails for memory erasure tests 0.289
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.880
Then I find very few patterns in the guest's memory 2.582 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.178
Then patterns cover at least 99% of the test FS size in the guest's memory 2.592 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.503
Then I find very few patterns in the guest's memory after 3 seconds 5.595 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# read cache
When I mount the USB drive again 3.799
And I read the content of the test FS 0.285
Then patterns cover at least 99% of the test FS size in the guest's memory 2.650 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 5.651 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 0.551
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.999
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 6.196
And I prepare Tails for memory erasure tests 0.359
When I fill a 128 MiB file with a known pattern on the root filesystem 13.166
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.378
Then patterns cover at least 128 MiB in the guest's memory 2.191 
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 20.703 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 3.531
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.607
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 3:50.658
And I prepare Tails for memory erasure tests 0.257
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.614
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.061 
Pattern coverage: 0.000% (0 MiB out of 1449 MiB reference memory)
After features/support/hooks.rb:339 3.517
After features/support/hooks.rb:108 0.039