Project Number Date
test_Tails_ISO_21811-firmware-sof-2026.09.1-1 3 07 Oct 2026, 13:51

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 7:47.843 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
21.309
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.698
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 2.339
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.852 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.200
Then I find very few patterns in the guest's memory after 5 seconds 7.791 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 0.911
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
21.829
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 6.563
And I prepare Tails for memory erasure tests 0.419
And I find very few patterns in the guest's memory 2.688 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.339
Then patterns cover at least 99% of the test FS size in the guest's memory 4.673 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.406
Then I find very few patterns in the guest's memory after 3 seconds 5.739 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 0.940
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
42.512
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 6.251
And I prepare Tails for memory erasure tests 0.368
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.398
Then I find very few patterns in the guest's memory 2.888 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.767
Then patterns cover at least 75% of the test FS size in the guest's memory 3.145 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 6.052 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 0.186
And I read the content of the test FS 0.605
Then patterns cover at least 99% of the test FS size in the guest's memory 5.741 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 7.978 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.694
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:8.359
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 6.394
And I prepare Tails for memory erasure tests 0.506
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.706
Then I find very few patterns in the guest's memory 3.004 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.278
Then patterns cover at least 99% of the test FS size in the guest's memory 4.447 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.535
Then I find very few patterns in the guest's memory after 3 seconds 6.181 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# read cache
When I mount the USB drive again 3.712
And I read the content of the test FS 0.356
Then patterns cover at least 99% of the test FS size in the guest's memory 2.801 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.439
Then I find very few patterns in the guest's memory after 3 seconds 5.994 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.993
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.823
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 6.408
And I prepare Tails for memory erasure tests 0.386
When I fill a 128 MiB file with a known pattern on the root filesystem 13.380
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.452
Then patterns cover at least 128 MiB in the guest's memory 2.413 
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 20.775 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 3.719
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:29.009
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:57.321
And I prepare Tails for memory erasure tests 0.301
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.899
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.481 
Pattern coverage: 0.000% (0 MiB out of 1447 MiB reference memory)
After features/support/hooks.rb:339 3.685
After features/support/hooks.rb:108 0.015