Project Number Date
test_Tails_ISO_torbrowser-launcher-merge-upstream-2026-08 1 06 Aug 2026, 17:32

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 7:14.683 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
19.356
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 6.114
And I prepare Tails for memory erasure tests 0.275
When I start a process allocating 128 MiB of memory with a known pattern 2.173
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.895 
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 7.725 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:339 0.821
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.489
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 6.146
And I prepare Tails for memory erasure tests 0.256
And I find very few patterns in the guest's memory 2.660 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.477
Then patterns cover at least 99% of the test FS size in the guest's memory 2.889 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.408
Then I find very few patterns in the guest's memory after 3 seconds 5.650 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 0.703
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.111
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 6.357
And I prepare Tails for memory erasure tests 0.277
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.048
Then I find very few patterns in the guest's memory 2.764 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.607
Then patterns cover at least 75% of the test FS size in the guest's memory 3.096 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.676
Then I find very few patterns in the guest's memory after 3 seconds 5.650 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
# read cache
When I mount the USB drive again 0.177
And I read the content of the test FS 0.586
Then patterns cover at least 99% of the test FS size in the guest's memory 2.855 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.500
Then I find very few patterns in the guest's memory after 3 seconds 5.512 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 0.583
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.740
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 6.276
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" 28.519
Then I find very few patterns in the guest's memory 2.611 
Pattern coverage: 0.000% (0 MiB out of 1457 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 2.814 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.471
Then I find very few patterns in the guest's memory after 3 seconds 5.522 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# read cache
When I mount the USB drive again 4.071
And I read the content of the test FS 0.334
Then patterns cover at least 99% of the test FS size in the guest's memory 2.709 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.445
Then I find very few patterns in the guest's memory after 3 seconds 5.576 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 0.964
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.570
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 6.212
And I prepare Tails for memory erasure tests 0.268
When I fill a 128 MiB file with a known pattern on the root filesystem 13.699
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.471
Then patterns cover at least 128 MiB in the guest's memory 2.232 
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 20.680 
Pattern coverage: 0.000% (0 MiB out of 1453 MiB reference memory)
After features/support/hooks.rb:339 3.442
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:14.415
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 3:43.420
And I prepare Tails for memory erasure tests 0.247
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.735
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.007 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:339 3.725
After features/support/hooks.rb:108 0.008