Project Number Date
test_Tails_ISO_21769-fix-chutney-configure-freeze 2 01 Oct 2026, 01:57

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 7:31.998 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
19.727
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 6.188
And I prepare Tails for memory erasure tests 0.293
When I start a process allocating 128 MiB of memory with a known pattern 2.205
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.253 
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 7.581 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
After features/support/hooks.rb:339 0.996
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.759
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 17.778
And I prepare Tails for memory erasure tests 0.316
And I find very few patterns in the guest's memory 3.130 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.295
Then patterns cover at least 99% of the test FS size in the guest's memory 3.008 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.390
Then I find very few patterns in the guest's memory after 3 seconds 5.841 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
After features/support/hooks.rb:339 0.958
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.197
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 6.259
And I prepare Tails for memory erasure tests 0.330
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.141
Then I find very few patterns in the guest's memory 2.694 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.682
Then patterns cover at least 75% of the test FS size in the guest's memory 3.067 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 5.659 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 0.155
And I read the content of the test FS 0.582
Then patterns cover at least 99% of the test FS size in the guest's memory 2.874 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.378
Then I find very few patterns in the guest's memory after 3 seconds 5.700 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 1.051
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.003
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 6.245
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" 27.897
Then I find very few patterns in the guest's memory 2.702 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.354
Then patterns cover at least 99% of the test FS size in the guest's memory 2.728 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.611
Then I find very few patterns in the guest's memory after 3 seconds 6.562 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
# read cache
When I mount the USB drive again 3.678
And I read the content of the test FS 0.374
Then patterns cover at least 99% of the test FS size in the guest's memory 4.666 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.504
Then I find very few patterns in the guest's memory after 3 seconds 7.302 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
After features/support/hooks.rb:339 0.784
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.877
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 6.310
And I prepare Tails for memory erasure tests 0.279
When I fill a 128 MiB file with a known pattern on the root filesystem 12.852
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.503
Then patterns cover at least 128 MiB in the guest's memory 3.175 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.750 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 3.659
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:14.432
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:43.286
And I prepare Tails for memory erasure tests 0.287
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.806
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.045 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
After features/support/hooks.rb:339 3.771
After features/support/hooks.rb:108 0.009