Project Number Date
test_Tails_ISO_stable 6160 23 Feb 2026, 12:00

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 7:30.575 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
19.272
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 7.138
And I prepare Tails for memory erasure tests 0.346
When I start a process allocating 128 MiB of memory with a known pattern 2.220
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.958 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.220
Then I find very few patterns in the guest's memory after 5 seconds 7.387 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 1.237
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.507
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 6.962
And I prepare Tails for memory erasure tests 0.310
And I find very few patterns in the guest's memory 1.956 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.183
Then patterns cover at least 99% of the test FS size in the guest's memory 2.162 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.908
Then I find very few patterns in the guest's memory after 3 seconds 5.025 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:331 1.037
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.482
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.868
And I prepare Tails for memory erasure tests 0.349
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.239
Then I find very few patterns in the guest's memory 1.914 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.949
Then patterns cover at least 75% of the test FS size in the guest's memory 2.181 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.124
Then I find very few patterns in the guest's memory after 3 seconds 4.996 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.159
And I read the content of the test FS 0.471
Then patterns cover at least 99% of the test FS size in the guest's memory 1.934 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.270
Then I find very few patterns in the guest's memory after 3 seconds 5.021 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:331 0.908
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.882
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 6.977
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.446
Then I find very few patterns in the guest's memory 1.832 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.246
Then patterns cover at least 99% of the test FS size in the guest's memory 2.243 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.587
Then I find very few patterns in the guest's memory after 3 seconds 5.010 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
# read cache
When I mount the USB drive again 7.407
And I read the content of the test FS 0.386
Then patterns cover at least 99% of the test FS size in the guest's memory 1.861 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.461
Then I find very few patterns in the guest's memory after 3 seconds 4.983 
Pattern coverage: 0.000% (0 MiB out of 1486 MiB reference memory)
After features/support/hooks.rb:331 1.168
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.774
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 7.235
And I prepare Tails for memory erasure tests 0.365
When I fill a 128 MiB file with a known pattern on the root filesystem 13.870
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.960
Then patterns cover at least 128 MiB in the guest's memory 1.811 
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 20.525 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 3.870
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:27.655
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:55.208
And I prepare Tails for memory erasure tests 0.412
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.713
When I trigger shutdown 0.058
Then I find very few patterns in the guest's memory after 20 seconds 21.262 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:331 3.607
After features/support/hooks.rb:100 0.009