Project Number Date
test_Tails_ISO_release-process-7.7.3 5 11 May 2026, 19:14

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 8:3.072 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
18.959
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 7.325
And I prepare Tails for memory erasure tests 0.360
When I start a process allocating 128 MiB of memory with a known pattern 1.299
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.441 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.653
Then I find very few patterns in the guest's memory after 5 seconds 6.877 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:331 0.818
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.037
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 7.004
And I prepare Tails for memory erasure tests 0.409
And I find very few patterns in the guest's memory 2.127 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.898
Then patterns cover at least 99% of the test FS size in the guest's memory 2.223 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.342
Then I find very few patterns in the guest's memory after 3 seconds 5.031 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 0.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.362
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 7.309
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.551
Then I find very few patterns in the guest's memory 1.880 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.832
Then patterns cover at least 75% of the test FS size in the guest's memory 2.233 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.701
Then I find very few patterns in the guest's memory after 3 seconds 5.206 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 0.243
And I read the content of the test FS 0.542
Then patterns cover at least 99% of the test FS size in the guest's memory 2.220 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.351
Then I find very few patterns in the guest's memory after 3 seconds 4.830 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 0.875
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.805
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 6.647
And I prepare Tails for memory erasure tests 0.582
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.608
Then I find very few patterns in the guest's memory 1.843 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.403
Then patterns cover at least 99% of the test FS size in the guest's memory 2.080 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.533
Then I find very few patterns in the guest's memory after 3 seconds 5.295 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 4.423
And I read the content of the test FS 0.315
Then patterns cover at least 99% of the test FS size in the guest's memory 1.919 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.519
Then I find very few patterns in the guest's memory after 3 seconds 4.632 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:331 1.124
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.415
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 7.213
And I prepare Tails for memory erasure tests 0.533
When I fill a 128 MiB file with a known pattern on the root filesystem 29.026
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.298
Then patterns cover at least 128 MiB in the guest's memory 1.737 
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 20.601 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 3.898
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:48.492
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 4:7.189
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.866
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.954 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
After features/support/hooks.rb:331 3.866
After features/support/hooks.rb:100 0.009