Project Number Date
test_Tails_ISO_stable 5931 05 Nov 2025, 08:27

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 12:51.286 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
44.639
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 8.391
And I prepare Tails for memory erasure tests 0.492
When I start a process allocating 128 MiB of memory with a known pattern 2.273
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 14.974 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.208
Then I find very few patterns in the guest's memory after 5 seconds 18.299 
Pattern coverage: 0.000% (0 MiB out of 1524 MiB reference memory)
After features/support/hooks.rb:331 1.066
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.347
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 8.468
And I prepare Tails for memory erasure tests 0.467
And I find very few patterns in the guest's memory 18.314 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.813
Then patterns cover at least 99% of the test FS size in the guest's memory 14.265 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.432
Then I find very few patterns in the guest's memory after 3 seconds 16.584 
Pattern coverage: 0.000% (0 MiB out of 1521 MiB reference memory)
After features/support/hooks.rb:331 1.007
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:36.117
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 8.421
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.217
Then I find very few patterns in the guest's memory 13.067 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.515
Then patterns cover at least 75% of the test FS size in the guest's memory 15.178 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.015
Then I find very few patterns in the guest's memory after 3 seconds 16.594 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
# read cache
When I mount the USB drive again 0.232
And I read the content of the test FS 0.709
Then patterns cover at least 99% of the test FS size in the guest's memory 14.732 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.500
Then I find very few patterns in the guest's memory after 3 seconds 16.490 
Pattern coverage: 0.000% (0 MiB out of 1523 MiB reference memory)
After features/support/hooks.rb:331 0.800
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:59.976
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 8.764
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.068
Then I find very few patterns in the guest's memory 12.544 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.801
Then patterns cover at least 99% of the test FS size in the guest's memory 13.261 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 15.504 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
# read cache
When I mount the USB drive again 4.638
And I read the content of the test FS 0.458
Then patterns cover at least 99% of the test FS size in the guest's memory 13.703 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.561
Then I find very few patterns in the guest's memory after 3 seconds 15.528 
Pattern coverage: 0.000% (0 MiB out of 1511 MiB reference memory)
After features/support/hooks.rb:331 0.884
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.076
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 8.532
And I prepare Tails for memory erasure tests 0.510
When I fill a 128 MiB file with a known pattern on the root filesystem 11.144
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.497
Then patterns cover at least 128 MiB in the guest's memory 9.634 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 22.744 
Pattern coverage: 0.000% (0 MiB out of 1512 MiB reference memory)
After features/support/hooks.rb:331 3.647
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:35.129
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 6:2.194
And I prepare Tails for memory erasure tests 0.356
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.272
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 23.294 
Pattern coverage: 0.000% (0 MiB out of 1513 MiB reference memory)
After features/support/hooks.rb:331 3.944
After features/support/hooks.rb:100 0.014