Project Number Date
test_Tails_ISO_stable 6385 19 May 2026, 14:01

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 7:39.415 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
17.056
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails from DVD without network and logged in 6.638
And I prepare Tails for memory erasure tests 0.335
When I start a process allocating 128 MiB of memory with a known pattern 1.154
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.978 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.202
Then I find very few patterns in the guest's memory after 5 seconds 6.748 
Pattern coverage: 0.000% (0 MiB out of 1526 MiB reference memory)
After features/support/hooks.rb:335 0.777
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.446
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 6.612
And I prepare Tails for memory erasure tests 0.338
And I find very few patterns in the guest's memory 1.649 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.495
Then patterns cover at least 99% of the test FS size in the guest's memory 1.886 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.337
Then I find very few patterns in the guest's memory after 3 seconds 5.124 
Pattern coverage: 0.000% (0 MiB out of 1520 MiB reference memory)
After features/support/hooks.rb:335 0.760
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.664
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 6.924
And I prepare Tails for memory erasure tests 0.323
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.234
Then I find very few patterns in the guest's memory 1.701 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.618
Then patterns cover at least 75% of the test FS size in the guest's memory 2.249 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.805
Then I find very few patterns in the guest's memory after 3 seconds 4.766 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
# read cache
When I mount the USB drive again 0.169
And I read the content of the test FS 0.513
Then patterns cover at least 99% of the test FS size in the guest's memory 2.215 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.373
Then I find very few patterns in the guest's memory after 3 seconds 4.768 
Pattern coverage: 0.000% (0 MiB out of 1528 MiB reference memory)
After features/support/hooks.rb:335 0.739
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
59.038
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 6.672
And I prepare Tails for memory erasure tests 0.390
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.366
Then I find very few patterns in the guest's memory 1.660 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.416
Then patterns cover at least 99% of the test FS size in the guest's memory 1.853 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.586
Then I find very few patterns in the guest's memory after 3 seconds 4.718 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
# read cache
When I mount the USB drive again 4.135
And I read the content of the test FS 0.346
Then patterns cover at least 99% of the test FS size in the guest's memory 1.800 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.434
Then I find very few patterns in the guest's memory after 3 seconds 4.657 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:335 0.828
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
51.877
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails from DVD without network and logged in 6.674
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 20.756
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.963
Then patterns cover at least 128 MiB in the guest's memory 1.510 
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 20.514 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:335 3.709
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:41.330
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:0.740
And I prepare Tails for memory erasure tests 0.355
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.265
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.963 
Pattern coverage: 0.000% (0 MiB out of 1548 MiB reference memory)
After features/support/hooks.rb:335 3.383
After features/support/hooks.rb:104 0.011