Project Number Date
test_Tails_ISO_devel 4096 01 Dec 2025, 22:27

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 14:41.069 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
49.872
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.519
And I prepare Tails for memory erasure tests 0.491
When I start a process allocating 128 MiB of memory with a known pattern 2.485
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 16.388 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.969
Then I find very few patterns in the guest's memory after 5 seconds 20.018 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 1.531
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.035
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.112
And I prepare Tails for memory erasure tests 0.443
And I find very few patterns in the guest's memory 14.444 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.125
Then patterns cover at least 99% of the test FS size in the guest's memory 15.695 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.713
Then I find very few patterns in the guest's memory after 3 seconds 23.500 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 1.120
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:45.983
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.660
And I prepare Tails for memory erasure tests 0.979
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.020
Then I find very few patterns in the guest's memory 20.690 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.616
Then patterns cover at least 75% of the test FS size in the guest's memory 36.861 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.970
Then I find very few patterns in the guest's memory after 3 seconds 43.998 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# read cache
When I mount the USB drive again 0.211
And I read the content of the test FS 0.647
Then patterns cover at least 99% of the test FS size in the guest's memory 25.141 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.624
Then I find very few patterns in the guest's memory after 3 seconds 17.561 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:331 0.927
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:5.480
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 10.093
And I prepare Tails for memory erasure tests 0.792
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.666
Then I find very few patterns in the guest's memory 14.024 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.913
Then patterns cover at least 99% of the test FS size in the guest's memory 14.537 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.780
Then I find very few patterns in the guest's memory after 3 seconds 16.175 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
# read cache
When I mount the USB drive again 4.583
And I read the content of the test FS 0.461
Then patterns cover at least 99% of the test FS size in the guest's memory 14.044 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.620
Then I find very few patterns in the guest's memory after 3 seconds 15.785 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:331 1.383
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.913
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.513
And I prepare Tails for memory erasure tests 0.475
When I fill a 128 MiB file with a known pattern on the root filesystem 11.472
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.269
Then patterns cover at least 128 MiB in the guest's memory 12.131 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 23.039 
Pattern coverage: 0.000% (0 MiB out of 1504 MiB reference memory)
After features/support/hooks.rb:331 4.053
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:53.783
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:19.086
And I prepare Tails for memory erasure tests 0.362
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.516
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 24.808 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
After features/support/hooks.rb:331 3.629
After features/support/hooks.rb:100 0.015