Project Number Date
test_Tails_ISO_21461-update-chutney 16 07 Aug 2026, 22:36

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 7:15.241 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
19.141
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 6.093
And I prepare Tails for memory erasure tests 0.285
When I start a process allocating 128 MiB of memory with a known pattern 2.189
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.827 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.211
Then I find very few patterns in the guest's memory after 5 seconds 7.535 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 0.578
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.457
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 6.087
And I prepare Tails for memory erasure tests 0.265
And I find very few patterns in the guest's memory 2.692 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.511
Then patterns cover at least 99% of the test FS size in the guest's memory 2.902 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.392
Then I find very few patterns in the guest's memory after 3 seconds 5.605 
Pattern coverage: 0.000% (0 MiB out of 1471 MiB reference memory)
After features/support/hooks.rb:339 0.672
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.020
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 6.141
And I prepare Tails for memory erasure tests 0.274
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.367
Then I find very few patterns in the guest's memory 2.595 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.602
Then patterns cover at least 75% of the test FS size in the guest's memory 3.041 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 5.738 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
# read cache
When I mount the USB drive again 0.164
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 2.911 
Pattern coverage: 100.000% (127 MiB out of 127 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 5.504 
Pattern coverage: 0.000% (0 MiB out of 1459 MiB reference memory)
After features/support/hooks.rb:339 0.693
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.836
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 6.123
And I prepare Tails for memory erasure tests 0.332
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.987
Then I find very few patterns in the guest's memory 2.694 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.288
Then patterns cover at least 99% of the test FS size in the guest's memory 2.617 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.429
Then I find very few patterns in the guest's memory after 3 seconds 5.445 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
# read cache
When I mount the USB drive again 4.150
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 2.609 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.392
Then I find very few patterns in the guest's memory after 3 seconds 5.436 
Pattern coverage: 0.000% (0 MiB out of 1457 MiB reference memory)
After features/support/hooks.rb:339 0.906
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
42.916
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 6.116
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 12.390
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.334
Then patterns cover at least 128 MiB in the guest's memory 2.040 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.761 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 3.623
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:15.868
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:44.606
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 10.016
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.959 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
After features/support/hooks.rb:339 3.837
After features/support/hooks.rb:108 0.008