Project Number Date
test_Tails_ISO_21769-gather-chutney-configure-backtrace 1 08 Sep 2026, 11:57

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 7:59.202 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
21.036
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 6.550
And I prepare Tails for memory erasure tests 0.347
When I start a process allocating 128 MiB of memory with a known pattern 2.230
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.208 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.195
Then I find very few patterns in the guest's memory after 5 seconds 8.505 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.731
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
23.329
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 6.525
And I prepare Tails for memory erasure tests 0.354
And I find very few patterns in the guest's memory 4.049 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.617
Then patterns cover at least 99% of the test FS size in the guest's memory 3.788 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.387
Then I find very few patterns in the guest's memory after 3 seconds 6.606 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.952
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.625
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.784
And I prepare Tails for memory erasure tests 0.353
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.545
Then I find very few patterns in the guest's memory 2.768 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.834
Then patterns cover at least 75% of the test FS size in the guest's memory 3.470 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.890
Then I find very few patterns in the guest's memory after 3 seconds 5.788 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# read cache
When I mount the USB drive again 0.177
And I read the content of the test FS 0.587
Then patterns cover at least 99% of the test FS size in the guest's memory 3.168 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.414
Then I find very few patterns in the guest's memory after 3 seconds 5.842 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.819
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.242
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 6.509
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.354
Then I find very few patterns in the guest's memory 2.600 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.347
Then patterns cover at least 99% of the test FS size in the guest's memory 3.138 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.549
Then I find very few patterns in the guest's memory after 3 seconds 5.771 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
# read cache
When I mount the USB drive again 3.254
And I read the content of the test FS 0.367
Then patterns cover at least 99% of the test FS size in the guest's memory 2.902 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.492
Then I find very few patterns in the guest's memory after 3 seconds 5.543 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 1.430
After features/support/hooks.rb:108 0.001
Tags: @product @slow @not_release_blocker
47.397
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.786
And I prepare Tails for memory erasure tests 0.362
When I fill a 128 MiB file with a known pattern on the root filesystem 14.244
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.952
Then patterns cover at least 128 MiB in the guest's memory 2.421 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.618 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 3.709
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:47.570
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 4:14.126
And I prepare Tails for memory erasure tests 0.454
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.523
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.458 
Pattern coverage: 0.000% (0 MiB out of 1440 MiB reference memory)
After features/support/hooks.rb:339 3.675
After features/support/hooks.rb:108 0.010