Project Number Date
test_Tails_ISO_devel 4523 30 Jul 2026, 11:25

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 7:25.025 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
21.825
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 6.143
And I prepare Tails for memory erasure tests 0.315
When I start a process allocating 128 MiB of memory with a known pattern 2.143
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.190 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.212
Then I find very few patterns in the guest's memory after 5 seconds 9.821 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 0.875
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
24.282
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 6.202
And I prepare Tails for memory erasure tests 0.350
And I find very few patterns in the guest's memory 4.195 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.457
Then patterns cover at least 99% of the test FS size in the guest's memory 3.990 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.418
Then I find very few patterns in the guest's memory after 3 seconds 7.668 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:339 0.901
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.412
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 6.217
And I prepare Tails for memory erasure tests 0.313
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.192
Then I find very few patterns in the guest's memory 3.086 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.384
Then patterns cover at least 75% of the test FS size in the guest's memory 3.080 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.642
Then I find very few patterns in the guest's memory after 3 seconds 5.750 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
# read cache
When I mount the USB drive again 0.205
And I read the content of the test FS 0.653
Then patterns cover at least 99% of the test FS size in the guest's memory 2.935 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.410
Then I find very few patterns in the guest's memory after 3 seconds 5.539 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 0.743
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
59.687
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 6.143
And I prepare Tails for memory erasure tests 0.296
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.094
Then I find very few patterns in the guest's memory 2.655 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.083
Then patterns cover at least 99% of the test FS size in the guest's memory 2.631 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 5.442 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# read cache
When I mount the USB drive again 3.955
And I read the content of the test FS 0.328
Then patterns cover at least 99% of the test FS size in the guest's memory 2.722 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.448
Then I find very few patterns in the guest's memory after 3 seconds 5.405 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:339 0.552
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.633
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 6.143
And I prepare Tails for memory erasure tests 0.314
When I fill a 128 MiB file with a known pattern on the root filesystem 12.807
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.569
Then patterns cover at least 128 MiB in the guest's memory 2.086 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.708 
Pattern coverage: 0.000% (0 MiB out of 1465 MiB reference memory)
After features/support/hooks.rb:339 3.368
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:19.182
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 3:48.835
And I prepare Tails for memory erasure tests 0.245
When I fill a 128 MiB file with a known pattern on the persistent filesystem 8.957
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.140 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 3.493
After features/support/hooks.rb:108 0.010