Project Number Date
test_Tails_ISO_web-release-7.9 4 18 Jun 2026, 01:40

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 7:57.897 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
18.093
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.019
Given I have started Tails from DVD without network and logged in 7.091
And I prepare Tails for memory erasure tests 0.348
When I start a process allocating 128 MiB of memory with a known pattern 1.211
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.990 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.205
Then I find very few patterns in the guest's memory after 5 seconds 7.246 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:339 0.705
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
18.332
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.019
Given I have started Tails from DVD without network and logged in 7.130
And I prepare Tails for memory erasure tests 0.336
And I find very few patterns in the guest's memory 1.727 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.560
Then patterns cover at least 99% of the test FS size in the guest's memory 2.025 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.352
Then I find very few patterns in the guest's memory after 3 seconds 5.198 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.866
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
33.529
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails from DVD without network and logged in 7.174
And I prepare Tails for memory erasure tests 0.426
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.345
Then I find very few patterns in the guest's memory 1.851 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.660
Then patterns cover at least 75% of the test FS size in the guest's memory 2.485 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.786
Then I find very few patterns in the guest's memory after 3 seconds 4.825 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 0.157
And I read the content of the test FS 0.455
Then patterns cover at least 99% of the test FS size in the guest's memory 2.181 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 4.792 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.783
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.851
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.020
Given I have started Tails from DVD without network and logged in 7.123
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.745
Then I find very few patterns in the guest's memory 1.638 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.335
Then patterns cover at least 99% of the test FS size in the guest's memory 1.982 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.502
Then I find very few patterns in the guest's memory after 3 seconds 4.720 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 4.161
And I read the content of the test FS 0.371
Then patterns cover at least 99% of the test FS size in the guest's memory 1.845 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.468
Then I find very few patterns in the guest's memory after 3 seconds 4.569 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 1.026
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.164
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.021
Given I have started Tails from DVD without network and logged in 7.209
And I prepare Tails for memory erasure tests 0.367
When I fill a 128 MiB file with a known pattern on the root filesystem 28.476
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.941
Then patterns cover at least 128 MiB in the guest's memory 1.547 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.615 
Pattern coverage: 0.000% (0 MiB out of 1489 MiB reference memory)
After features/support/hooks.rb:339 3.412
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:49.927
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.021
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:10.051
And I prepare Tails for memory erasure tests 0.317
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.629
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.922 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 3.860
After features/support/hooks.rb:108 0.034