Project Number Date
test_Tails_ISO_devel 4681 20 Oct 2026, 11:14

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 7:31.255 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
20.208
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails from DVD without network and logged in 6.662
And I prepare Tails for memory erasure tests 0.272
When I start a process allocating 128 MiB of memory with a known pattern 2.244
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.985 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.224
Then I find very few patterns in the guest's memory after 5 seconds 7.819 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 0.997
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.969
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.281
And I prepare Tails for memory erasure tests 0.323
And I find very few patterns in the guest's memory 2.959 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.408
Then patterns cover at least 99% of the test FS size in the guest's memory 2.935 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.337
Then I find very few patterns in the guest's memory after 3 seconds 5.723 
Pattern coverage: 0.000% (0 MiB out of 1400 MiB reference memory)
After features/support/hooks.rb:339 0.791
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
48.902
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 6.332
And I prepare Tails for memory erasure tests 0.295
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.497
Then I find very few patterns in the guest's memory 3.025 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.432
Then patterns cover at least 75% of the test FS size in the guest's memory 6.327 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.629
Then I find very few patterns in the guest's memory after 3 seconds 8.884 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# read cache
When I mount the USB drive again 0.185
And I read the content of the test FS 0.572
Then patterns cover at least 99% of the test FS size in the guest's memory 6.309 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.360
Then I find very few patterns in the guest's memory after 3 seconds 8.050 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.859
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.745
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.326
And I prepare Tails for memory erasure tests 0.307
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.000
Then I find very few patterns in the guest's memory 4.480 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.175
Then patterns cover at least 99% of the test FS size in the guest's memory 3.333 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.452
Then I find very few patterns in the guest's memory after 3 seconds 6.719 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 3.975
And I read the content of the test FS 0.351
Then patterns cover at least 99% of the test FS size in the guest's memory 3.296 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.882 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.986
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.665
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 6.186
And I prepare Tails for memory erasure tests 0.354
When I fill a 128 MiB file with a known pattern on the root filesystem 13.272
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.515
Then patterns cover at least 128 MiB in the guest's memory 2.561 
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 20.763 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 3.358
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:12.763
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 3:41.645
And I prepare Tails for memory erasure tests 0.336
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.690
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.086 
Pattern coverage: 0.000% (0 MiB out of 1448 MiB reference memory)
After features/support/hooks.rb:339 3.387
After features/support/hooks.rb:108 0.010