Project Number Date
test_Tails_ISO_devel 4048 02 Nov 2025, 12:12

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 16:15.509 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
46.244
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 8.778
And I prepare Tails for memory erasure tests 0.447
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 14.859 
Pattern coverage: 100.394% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.221
Then I find very few patterns in the guest's memory after 5 seconds 19.694 
Pattern coverage: 0.000% (0 MiB out of 1506 MiB reference memory)
After features/support/hooks.rb:331 0.670
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.349
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 8.697
And I prepare Tails for memory erasure tests 0.406
And I find very few patterns in the guest's memory 14.216 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.824
Then patterns cover at least 99% of the test FS size in the guest's memory 14.803 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.411
Then I find very few patterns in the guest's memory after 3 seconds 16.989 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:331 1.162
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
3:41.637
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 8.339
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.701
Then I find very few patterns in the guest's memory 13.931 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.391
Then patterns cover at least 75% of the test FS size in the guest's memory 16.084 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.901
Then I find very few patterns in the guest's memory after 3 seconds 54.529 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
# read cache
When I mount the USB drive again 0.265
And I read the content of the test FS 1.142
Then patterns cover at least 99% of the test FS size in the guest's memory 55.583 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.545
Then I find very few patterns in the guest's memory after 3 seconds 1:0.819 
Pattern coverage: 0.000% (0 MiB out of 1507 MiB reference memory)
After features/support/hooks.rb:331 4.614
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:40.110
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 35.538
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.923
Then I find very few patterns in the guest's memory 22.290 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.585
Then patterns cover at least 99% of the test FS size in the guest's memory 14.230 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.622
Then I find very few patterns in the guest's memory after 3 seconds 16.107 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
# read cache
When I mount the USB drive again 4.267
And I read the content of the test FS 0.449
Then patterns cover at least 99% of the test FS size in the guest's memory 14.478 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.595
Then I find very few patterns in the guest's memory after 3 seconds 16.531 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:331 3.154
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.671
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 11.410
And I prepare Tails for memory erasure tests 0.530
When I fill a 128 MiB file with a known pattern on the root filesystem 11.208
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.345
Then patterns cover at least 128 MiB in the guest's memory 10.850 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.010
Then I find very few patterns in the guest's memory after 20 seconds 37.315 
Pattern coverage: 0.000% (0 MiB out of 1514 MiB reference memory)
After features/support/hooks.rb:331 4.630
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:56.495
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 6:23.301
And I prepare Tails for memory erasure tests 0.377
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.122
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 23.673 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:331 3.689
After features/support/hooks.rb:100 0.016