Project Number Date
test_Tails_ISO_devel 4044 30 Oct 2025, 18:24

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 11:56.933 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
37.235
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 9.171
And I prepare Tails for memory erasure tests 0.392
When I start a process allocating 128 MiB of memory with a known pattern 2.399
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 9.839 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.781
Then I find very few patterns in the guest's memory after 5 seconds 14.651 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:331 1.474
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.371
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.046
Given I have started Tails from DVD without network and logged in 9.219
And I prepare Tails for memory erasure tests 0.497
And I find very few patterns in the guest's memory 8.473 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.532
Then patterns cover at least 99% of the test FS size in the guest's memory 10.765 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.423
Then I find very few patterns in the guest's memory after 3 seconds 12.461 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:331 1.023
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.547
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.250
And I prepare Tails for memory erasure tests 0.485
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.960
Then I find very few patterns in the guest's memory 9.467 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.431
Then patterns cover at least 75% of the test FS size in the guest's memory 10.523 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.346
Then I find very few patterns in the guest's memory after 3 seconds 12.560 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# read cache
When I mount the USB drive again 0.199
And I read the content of the test FS 0.631
Then patterns cover at least 99% of the test FS size in the guest's memory 10.690 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 12.484 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:331 1.086
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:40.523
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 8.723
And I prepare Tails for memory erasure tests 0.375
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.426
Then I find very few patterns in the guest's memory 9.149 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.757
Then patterns cover at least 99% of the test FS size in the guest's memory 9.552 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.767
Then I find very few patterns in the guest's memory after 3 seconds 11.743 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# read cache
When I mount the USB drive again 5.559
And I read the content of the test FS 0.505
Then patterns cover at least 99% of the test FS size in the guest's memory 9.134 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.596
Then I find very few patterns in the guest's memory after 3 seconds 11.230 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 1.082
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
52.358
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 8.696
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the root filesystem 10.962
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.809
Then patterns cover at least 128 MiB in the guest's memory 7.113 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 22.298 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:331 3.900
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:44.896
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:12.539
And I prepare Tails for memory erasure tests 0.365
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.074
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 22.895 
Pattern coverage: 0.000% (0 MiB out of 1537 MiB reference memory)
After features/support/hooks.rb:331 3.803
After features/support/hooks.rb:100 0.016