Project Number Date
test_Tails_ISO_21810-tca-vs-empty-bridge-strings 12 15 Oct 2026, 21:48

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 7:26.147 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
19.335
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 6.196
And I prepare Tails for memory erasure tests 0.301
When I start a process allocating 128 MiB of memory with a known pattern 2.177
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.900 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.171
Then I find very few patterns in the guest's memory after 5 seconds 7.587 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 0.844
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.438
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 6.226
And I prepare Tails for memory erasure tests 0.294
And I find very few patterns in the guest's memory 2.516 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.614
Then patterns cover at least 99% of the test FS size in the guest's memory 2.759 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.401
Then I find very few patterns in the guest's memory after 3 seconds 5.625 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.750
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.174
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 6.168
And I prepare Tails for memory erasure tests 0.296
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.261
Then I find very few patterns in the guest's memory 2.700 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.556
Then patterns cover at least 75% of the test FS size in the guest's memory 2.976 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory after 3 seconds 5.714 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# read cache
When I mount the USB drive again 0.199
And I read the content of the test FS 0.557
Then patterns cover at least 99% of the test FS size in the guest's memory 3.031 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.455
Then I find very few patterns in the guest's memory after 3 seconds 5.590 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 1.000
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.491
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 6.145
And I prepare Tails for memory erasure tests 0.329
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.151
Then I find very few patterns in the guest's memory 2.492 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.091
Then patterns cover at least 99% of the test FS size in the guest's memory 2.509 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.465
Then I find very few patterns in the guest's memory after 3 seconds 5.571 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# read cache
When I mount the USB drive again 3.992
And I read the content of the test FS 0.337
Then patterns cover at least 99% of the test FS size in the guest's memory 2.565 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.376
Then I find very few patterns in the guest's memory after 3 seconds 5.462 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.725
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.805
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.154
And I prepare Tails for memory erasure tests 0.266
When I fill a 128 MiB file with a known pattern on the root filesystem 13.125
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.265
Then patterns cover at least 128 MiB in the guest's memory 2.206 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 20.778 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 3.751
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:23.902
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:53.091
And I prepare Tails for memory erasure tests 0.259
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.396
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.150 
Pattern coverage: 0.000% (0 MiB out of 1447 MiB reference memory)
After features/support/hooks.rb:339 3.773
After features/support/hooks.rb:108 0.010