Project Number Date
test_Tails_ISO_devel 4059 07 Nov 2025, 12:14

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 15:48.933 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
45.440
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 9.042
And I prepare Tails for memory erasure tests 0.384
When I start a process allocating 128 MiB of memory with a known pattern 2.262
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 15.071 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.259
Then I find very few patterns in the guest's memory after 5 seconds 18.421 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:331 0.995
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.319
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 8.529
And I prepare Tails for memory erasure tests 0.425
And I find very few patterns in the guest's memory 27.247 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.740
Then patterns cover at least 99% of the test FS size in the guest's memory 14.863 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.427
Then I find very few patterns in the guest's memory after 3 seconds 17.085 
Pattern coverage: 0.000% (0 MiB out of 1516 MiB reference memory)
After features/support/hooks.rb:331 1.114
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
3:39.687
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 9.067
And I prepare Tails for memory erasure tests 0.614
When I plug and mount a 128 MiB USB drive with a vfat filesystem 24.250
Then I find very few patterns in the guest's memory 15.564 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.541
Then patterns cover at least 75% of the test FS size in the guest's memory 35.811 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.957
Then I find very few patterns in the guest's memory after 3 seconds 1:1.659 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
# read cache
When I mount the USB drive again 0.353
And I read the content of the test FS 0.599
Then patterns cover at least 99% of the test FS size in the guest's memory 33.705 
Pattern coverage: 100.000% (127 MiB out of 127 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 34.100 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:331 1.058
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:15.157
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 9.049
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 31.033
Then I find very few patterns in the guest's memory 15.886 
Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.990
Then patterns cover at least 99% of the test FS size in the guest's memory 13.240 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.745
Then I find very few patterns in the guest's memory after 3 seconds 16.440 
Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)
# read cache
When I mount the USB drive again 5.056
And I read the content of the test FS 0.446
Then patterns cover at least 99% of the test FS size in the guest's memory 22.695 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.572
Then I find very few patterns in the guest's memory after 3 seconds 17.566 
Pattern coverage: 0.000% (0 MiB out of 1517 MiB reference memory)
After features/support/hooks.rb:331 0.809
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.290
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 8.573
And I prepare Tails for memory erasure tests 0.400
When I fill a 128 MiB file with a known pattern on the root filesystem 10.802
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.196
Then patterns cover at least 128 MiB in the guest's memory 10.176 
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 23.129 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
After features/support/hooks.rb:331 4.004
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:2.037
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:29.398
And I prepare Tails for memory erasure tests 0.348
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.823
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 23.454 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:331 5.784
After features/support/hooks.rb:100 0.423