Project Number Date
test_Tails_ISO_devel 3400 26 May 2024, 13:22

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 45 1 7 0 0 53 5 1 6 11:25.194 Failed
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.
19.568
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.712
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 2.432
Then patterns cover at least 128 MiB in the guest's memory 3.684

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I kill the allocating process 0.222
Then I find very few patterns in the guest's memory 4.075

Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)

After features/support/hooks.rb:305 1.310
After features/support/hooks.rb:89 0.000
24.357
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.269
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.984

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.645
Then patterns cover at least 99% of the test FS size in the guest's memory 3.443

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I umount "/mnt" 0.669
Then I find very few patterns in the guest's memory 4.907

Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)

After features/support/hooks.rb:305 0.897
After features/support/hooks.rb:89 0.000
30.324
Scenario Erasure of read and write disk caches on unmount: vfat
Before features/support/hooks.rb:259 0.002
Steps
Given I have started Tails from DVD without network and logged in 8.646
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.970
Then I find very few patterns in the guest's memory 4.802

Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 2.487
Then patterns cover at least 86% of the test FS size in the guest's memory 3.954
85.085% of the test FS size (127.599609375 MiB) has the pattern, but more than 86.000% was expected.
<false> is not true. (Test::Unit::AssertionFailedError)
./features/step_definitions/erase_memory.rb:170:in `/^patterns cover at least (\d+)% of the test FS size in the guest's memory$/'
features/erase_memory.feature:37:in `Then patterns cover at least 86% of the test FS size in the guest's memory'
Output 1

Pattern coverage: 85.085% (108 MiB out of 127 MiB reference memory)

When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory 0.000
# read cache
When I mount the USB drive again 0.000
And I read the content of the test FS 0.000
Then patterns cover at least 99% of the test FS size in the guest's memory 0.000
When I umount the USB drive 0.000
Then I find very few patterns in the guest's memory 0.000
After features/support/hooks.rb:305 4.220

SCENARIO FAILED: 'Erasure of read and write disk caches on unmount: vfat' (at time 00:30:21)

Screenshot: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3400/artifact/build-artifacts/00:30:21_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.png

Video: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3400/artifact/build-artifacts/00:30:21_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.mkv

Boot log: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3400/artifact/build-artifacts/00:30:21_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.boot-log

Systemd journal: https://jenkins.tails.boum.org/job/test_Tails_ISO_devel/3400/artifact/build-artifacts/00:30:21_Erasure_of_read_and_write_disk_caches_on_unmount:_vfat.journal

After features/support/hooks.rb:89 0.000
1:19.840
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.693
And I prepare Tails for memory erasure tests 0.591
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.106
Then I find very few patterns in the guest's memory 3.854

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# write cache
When I fill the USB drive with a known pattern 3.057
Then patterns cover at least 99% of the test FS size in the guest's memory 4.412

Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 2.079
Then I find very few patterns in the guest's memory 4.134

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

# read cache
When I mount the USB drive again 5.594
And I read the content of the test FS 0.506
Then patterns cover at least 99% of the test FS size in the guest's memory 3.960

Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)

When I umount the USB drive 0.739
Then I find very few patterns in the guest's memory 4.108

Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)

After features/support/hooks.rb:305 1.280
After features/support/hooks.rb:89 0.000
56.678
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 10.847
And I prepare Tails for memory erasure tests 0.520
When I fill a 128 MiB file with a known pattern on the root filesystem 18.241
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.934
Then patterns cover at least 128 MiB in the guest's memory 3.300

Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)

When I trigger shutdown 0.013
And I wait 20 seconds 20.004

Slept for 20 seconds

Then I find very few patterns in the guest's memory 1.816

Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)

After features/support/hooks.rb:305 3.535
After features/support/hooks.rb:89 0.000
7:54.423
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:10.208
And I prepare Tails for memory erasure tests 0.488
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.531
When I trigger shutdown 0.011
And I wait 20 seconds 20.020

Slept for 20 seconds

Then I find very few patterns in the guest's memory 2.163

Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)

After features/support/hooks.rb:305 3.481
After features/support/hooks.rb:89 0.010