Project Number Date
test_Tails_ISO_stable 6039 06 Jan 2026, 08:05

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 7:34.557 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
18.544
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.983
And I prepare Tails for memory erasure tests 0.360
When I start a process allocating 128 MiB of memory with a known pattern 1.235
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.323 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.856
Then I find very few patterns in the guest's memory after 5 seconds 6.784 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
After features/support/hooks.rb:331 0.748
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
18.206
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.761
And I prepare Tails for memory erasure tests 0.349
And I find very few patterns in the guest's memory 2.114 
Pattern coverage: 0.000% (0 MiB out of 1519 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.534
Then patterns cover at least 99% of the test FS size in the guest's memory 2.249 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.366
Then I find very few patterns in the guest's memory after 3 seconds 4.830 
Pattern coverage: 0.000% (0 MiB out of 1519 MiB reference memory)
After features/support/hooks.rb:331 1.009
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.391
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.707
And I prepare Tails for memory erasure tests 0.468
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.846
Then I find very few patterns in the guest's memory 1.931 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.287
Then patterns cover at least 75% of the test FS size in the guest's memory 1.997 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 4.911 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
# read cache
When I mount the USB drive again 0.156
And I read the content of the test FS 0.452
Then patterns cover at least 99% of the test FS size in the guest's memory 2.531 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.424
Then I find very few patterns in the guest's memory after 3 seconds 5.023 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
After features/support/hooks.rb:331 1.015
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.449
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.677
And I prepare Tails for memory erasure tests 0.319
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.649
Then I find very few patterns in the guest's memory 2.062 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.228
Then patterns cover at least 99% of the test FS size in the guest's memory 1.944 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.584
Then I find very few patterns in the guest's memory after 3 seconds 4.852 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
# read cache
When I mount the USB drive again 4.261
And I read the content of the test FS 0.377
Then patterns cover at least 99% of the test FS size in the guest's memory 2.126 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.507
Then I find very few patterns in the guest's memory after 3 seconds 4.857 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:331 0.963
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
44.511
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.011
Given I have started Tails from DVD without network and logged in 6.856
And I prepare Tails for memory erasure tests 0.360
When I fill a 128 MiB file with a known pattern on the root filesystem 13.324
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.919
Then patterns cover at least 128 MiB in the guest's memory 1.526 
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 20.519 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:331 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:39.452
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:6.831
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.182
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.030 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 3.941
After features/support/hooks.rb:100 0.012