Project Number Date
test_Tails_ISO_21618-remove-tcpdump 2 26 May 2026, 16:52

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 7:57.083 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
18.388
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.896
And I prepare Tails for memory erasure tests 0.391
When I start a process allocating 128 MiB of memory with a known pattern 1.219
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.077 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.621
Then I find very few patterns in the guest's memory after 5 seconds 7.181 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:335 0.872
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
18.509
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 7.023
And I prepare Tails for memory erasure tests 0.341
And I find very few patterns in the guest's memory 1.775 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.554
Then patterns cover at least 99% of the test FS size in the guest's memory 2.115 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.330
Then I find very few patterns in the guest's memory after 3 seconds 5.368 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:335 0.885
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
34.329
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.914
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.235
Then I find very few patterns in the guest's memory 1.959 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.778
Then patterns cover at least 75% of the test FS size in the guest's memory 2.754 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.783
Then I find very few patterns in the guest's memory after 3 seconds 5.127 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 0.210
And I read the content of the test FS 0.580
Then patterns cover at least 99% of the test FS size in the guest's memory 2.172 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.397
Then I find very few patterns in the guest's memory after 3 seconds 5.016 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:335 0.999
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
54.346
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 7.029
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 24.991
Then I find very few patterns in the guest's memory 1.749 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.418
Then patterns cover at least 99% of the test FS size in the guest's memory 1.925 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.607
Then I find very few patterns in the guest's memory after 3 seconds 5.277 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 3.634
And I read the content of the test FS 0.320
Then patterns cover at least 99% of the test FS size in the guest's memory 1.968 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.390
Then I find very few patterns in the guest's memory after 3 seconds 4.636 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:335 0.943
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
58.062
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.589
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the root filesystem 26.683
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.273
Then patterns cover at least 128 MiB in the guest's memory 1.520 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.566 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:335 3.559
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:53.447
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:14.102
And I prepare Tails for memory erasure tests 0.367
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.013
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.959 
Pattern coverage: 0.000% (0 MiB out of 1538 MiB reference memory)
After features/support/hooks.rb:335 3.821
After features/support/hooks.rb:104 0.011