Project Number Date
test_Tails_ISO_devel 4665 08 Oct 2026, 11:16

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 7:16.409 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
20.316
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 6.301
And I prepare Tails for memory erasure tests 0.322
When I start a process allocating 128 MiB of memory with a known pattern 2.185
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.850 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.724
Then I find very few patterns in the guest's memory after 5 seconds 7.932 
Pattern coverage: 0.000% (0 MiB out of 1418 MiB reference memory)
After features/support/hooks.rb:339 0.872
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.043
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 6.246
And I prepare Tails for memory erasure tests 0.317
And I find very few patterns in the guest's memory 2.826 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.388
Then patterns cover at least 99% of the test FS size in the guest's memory 2.914 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.404
Then I find very few patterns in the guest's memory after 3 seconds 5.945 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 0.690
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.308
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 6.289
And I prepare Tails for memory erasure tests 0.351
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.161
Then I find very few patterns in the guest's memory 2.603 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.566
Then patterns cover at least 75% of the test FS size in the guest's memory 3.197 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 5.749 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# read cache
When I mount the USB drive again 0.206
And I read the content of the test FS 0.588
Then patterns cover at least 99% of the test FS size in the guest's memory 2.877 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.391
Then I find very few patterns in the guest's memory after 3 seconds 5.659 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.883
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.481
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 6.345
And I prepare Tails for memory erasure tests 0.361
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.375
Then I find very few patterns in the guest's memory 2.529 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.242
Then patterns cover at least 99% of the test FS size in the guest's memory 2.661 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.508
Then I find very few patterns in the guest's memory after 3 seconds 5.634 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 3.979
And I read the content of the test FS 0.284
Then patterns cover at least 99% of the test FS size in the guest's memory 2.573 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 5.550 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.804
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.186
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 6.296
And I prepare Tails for memory erasure tests 0.318
When I fill a 128 MiB file with a known pattern on the root filesystem 14.217
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.420
Then patterns cover at least 128 MiB in the guest's memory 2.168 
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 20.759 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 3.815
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:14.072
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 3:42.036
And I prepare Tails for memory erasure tests 0.259
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.738
When I trigger shutdown 0.003
Then I find very few patterns in the guest's memory after 20 seconds 21.034 
Pattern coverage: 0.000% (0 MiB out of 1439 MiB reference memory)
After features/support/hooks.rb:339 3.617
After features/support/hooks.rb:108 0.010