Project Number Date
test_Tails_ISO_21810-tca-vs-empty-bridge-strings 9 12 Oct 2026, 21:53

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 7:29.302 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
21.236
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 6.738
And I prepare Tails for memory erasure tests 0.341
When I start a process allocating 128 MiB of memory with a known pattern 2.192
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.957 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.722
Then I find very few patterns in the guest's memory after 5 seconds 8.282 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
After features/support/hooks.rb:339 1.031
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.197
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 6.486
And I prepare Tails for memory erasure tests 0.341
And I find very few patterns in the guest's memory 2.680 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.277
Then patterns cover at least 99% of the test FS size in the guest's memory 3.013 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.385
Then I find very few patterns in the guest's memory after 3 seconds 6.012 
Pattern coverage: 0.000% (0 MiB out of 1394 MiB reference memory)
After features/support/hooks.rb:339 1.053
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.641
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 6.449
And I prepare Tails for memory erasure tests 0.282
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.188
Then I find very few patterns in the guest's memory 2.775 
Pattern coverage: 0.000% (0 MiB out of 1386 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.821
Then patterns cover at least 75% of the test FS size in the guest's memory 3.398 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.703
Then I find very few patterns in the guest's memory after 3 seconds 5.816 
Pattern coverage: 0.000% (0 MiB out of 1386 MiB reference memory)
# read cache
When I mount the USB drive again 0.164
And I read the content of the test FS 0.545
Then patterns cover at least 99% of the test FS size in the guest's memory 2.930 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.396
Then I find very few patterns in the guest's memory after 3 seconds 6.168 
Pattern coverage: 0.000% (0 MiB out of 1386 MiB reference memory)
After features/support/hooks.rb:339 0.564
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.008
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 6.401
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" 31.786
Then I find very few patterns in the guest's memory 2.890 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.208
Then patterns cover at least 99% of the test FS size in the guest's memory 2.859 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.503
Then I find very few patterns in the guest's memory after 3 seconds 5.835 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 3.736
And I read the content of the test FS 0.329
Then patterns cover at least 99% of the test FS size in the guest's memory 2.787 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory after 3 seconds 5.902 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.701
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.218
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 6.352
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 13.230
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.423
Then patterns cover at least 128 MiB in the guest's memory 2.201 
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 20.734 
Pattern coverage: 0.000% (0 MiB out of 1388 MiB reference memory)
After features/support/hooks.rb:339 3.792
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.000
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 3:49.890
And I prepare Tails for memory erasure tests 0.281
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.618
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.204 
Pattern coverage: 0.000% (0 MiB out of 1424 MiB reference memory)
After features/support/hooks.rb:339 3.686
After features/support/hooks.rb:108 0.010