Project Number Date
test_Tails_ISO_21644-desktop-file-dirs-mount-monitoring 15 23 Aug 2026, 10:48

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 7:28.427 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
19.509
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 6.214
And I prepare Tails for memory erasure tests 0.318
When I start a process allocating 128 MiB of memory with a known pattern 2.171
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.833 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.203
Then I find very few patterns in the guest's memory after 5 seconds 7.767 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 0.685
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.549
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 6.281
And I prepare Tails for memory erasure tests 0.266
And I find very few patterns in the guest's memory 2.634 
Pattern coverage: 0.000% (0 MiB out of 1472 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 2.892 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.360
Then I find very few patterns in the guest's memory after 3 seconds 5.704 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:339 0.670
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
48.253
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 17.912
And I prepare Tails for memory erasure tests 0.327
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.874
Then I find very few patterns in the guest's memory 2.750 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.574
Then patterns cover at least 75% of the test FS size in the guest's memory 2.985 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.877
Then I find very few patterns in the guest's memory after 3 seconds 5.543 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 0.167
And I read the content of the test FS 0.571
Then patterns cover at least 99% of the test FS size in the guest's memory 2.736 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.278
Then I find very few patterns in the guest's memory after 3 seconds 5.655 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 0.978
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.807
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 6.127
And I prepare Tails for memory erasure tests 0.297
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.140
Then I find very few patterns in the guest's memory 2.476 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.983
Then patterns cover at least 99% of the test FS size in the guest's memory 2.590 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.524
Then I find very few patterns in the guest's memory after 3 seconds 5.662 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 4.206
And I read the content of the test FS 0.335
Then patterns cover at least 99% of the test FS size in the guest's memory 2.560 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 5.436 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.918
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
42.593
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 6.108
And I prepare Tails for memory erasure tests 0.375
When I fill a 128 MiB file with a known pattern on the root filesystem 12.035
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.408
Then patterns cover at least 128 MiB in the guest's memory 1.971 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.688 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 3.416
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:17.714
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 3:46.390
And I prepare Tails for memory erasure tests 0.237
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.081
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.001 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:339 3.407
After features/support/hooks.rb:108 0.009