Project Number Date
test_Tails_ISO_stable 6107 30 Jan 2026, 12:43

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 13:28.250 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
47.095
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 8.188
And I prepare Tails for memory erasure tests 0.367
When I start a process allocating 128 MiB of memory with a known pattern 2.249
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.587 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 1.306
Then I find very few patterns in the guest's memory after 5 seconds 19.396 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 0.832
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:3.348
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 8.064
And I prepare Tails for memory erasure tests 0.421
And I find very few patterns in the guest's memory 14.449 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.816
Then patterns cover at least 99% of the test FS size in the guest's memory 15.309 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.408
Then I find very few patterns in the guest's memory after 3 seconds 20.877 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:331 1.082
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:51.056
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 8.205
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.285
Then I find very few patterns in the guest's memory 17.312 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.339
Then patterns cover at least 75% of the test FS size in the guest's memory 23.618 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.508
Then I find very few patterns in the guest's memory after 3 seconds 17.147 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
# read cache
When I mount the USB drive again 0.189
And I read the content of the test FS 0.586
Then patterns cover at least 99% of the test FS size in the guest's memory 15.094 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.310
Then I find very few patterns in the guest's memory after 3 seconds 17.045 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 0.974
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:5.614
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 8.264
And I prepare Tails for memory erasure tests 0.366
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.187
Then I find very few patterns in the guest's memory 12.854 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.715
Then patterns cover at least 99% of the test FS size in the guest's memory 14.361 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.677
Then I find very few patterns in the guest's memory after 3 seconds 16.856 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 5.111
And I read the content of the test FS 0.527
Then patterns cover at least 99% of the test FS size in the guest's memory 15.436 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.539
Then I find very few patterns in the guest's memory after 3 seconds 15.715 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:331 0.984
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.808
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 8.465
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 11.920
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.466
Then patterns cover at least 128 MiB in the guest's memory 14.639 
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 22.875 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:331 3.868
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:40.327
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 6:6.525
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.567
When I trigger shutdown 0.053
Then I find very few patterns in the guest's memory after 20 seconds 23.783 
Pattern coverage: 0.000% (0 MiB out of 1549 MiB reference memory)
After features/support/hooks.rb:331 3.701
After features/support/hooks.rb:100 0.016