Project Number Date
test_Tails_ISO_21736-reject-unsupported-installs 15 19 Oct 2026, 05:58

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 7:11.711 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
20.064
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.221
And I prepare Tails for memory erasure tests 0.305
When I start a process allocating 128 MiB of memory with a known pattern 2.219
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.962 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.274
Then I find very few patterns in the guest's memory after 5 seconds 8.080 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.697
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.912
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.247
And I prepare Tails for memory erasure tests 0.265
And I find very few patterns in the guest's memory 2.662 
Pattern coverage: 0.000% (0 MiB out of 1385 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.361
Then patterns cover at least 99% of the test FS size in the guest's memory 3.061 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.389
Then I find very few patterns in the guest's memory after 3 seconds 5.923 
Pattern coverage: 0.000% (0 MiB out of 1385 MiB reference memory)
After features/support/hooks.rb:339 0.869
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.614
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 6.212
And I prepare Tails for memory erasure tests 0.288
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.161
Then I find very few patterns in the guest's memory 2.951 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.747
Then patterns cover at least 75% of the test FS size in the guest's memory 3.080 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.668
Then I find very few patterns in the guest's memory after 3 seconds 5.900 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
# read cache
When I mount the USB drive again 0.167
And I read the content of the test FS 0.567
Then patterns cover at least 99% of the test FS size in the guest's memory 3.513 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.427
Then I find very few patterns in the guest's memory after 3 seconds 5.928 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.612
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.128
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.236
And I prepare Tails for memory erasure tests 0.302
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.094
Then I find very few patterns in the guest's memory 2.795 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.299
Then patterns cover at least 99% of the test FS size in the guest's memory 2.638 
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 5.422 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
# read cache
When I mount the USB drive again 3.814
And I read the content of the test FS 0.328
Then patterns cover at least 99% of the test FS size in the guest's memory 2.687 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.432
Then I find very few patterns in the guest's memory after 3 seconds 5.616 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.643
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.445
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.192
And I prepare Tails for memory erasure tests 0.276
When I fill a 128 MiB file with a known pattern on the root filesystem 13.654
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.429
Then patterns cover at least 128 MiB in the guest's memory 2.166 
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 20.720 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 3.546
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:9.545
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:36.999
And I prepare Tails for memory erasure tests 0.255
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.135
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.150 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 3.595
After features/support/hooks.rb:108 0.030