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214 Commits

Author SHA1 Message Date
cat 802e6afa34 container/output: move global output to msg 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-27 19:55:37 +09:00
cat e906cae9ee container/output: export suspendable writer 
This is quite useful for other packages as well. This change prepares internal/hlog for removal.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-27 19:46:35 +09:00
cat 3f25c3f0af container: initialise cmd early 
This allows use of more cmd methods.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-13 20:01:33 +09:00
cat e81a45e849 container/dispatcher: optional stub wait4 signal association 
This synchronises the wait4 return after the toplevel signal call in lowlastcap_signaled_cancel_forward_error.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-04 20:28:49 +09:00
cat 3920acf8c2 container/stub: remove function call in handleExit 
This gets inlined and does not cause problems usually but turns out -coverpkg uninlines it and breaks the recovery.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-04 19:39:12 +09:00
cat 19630a9593 container/dispatcher: remove wait4 test log 
Turns out the reporting methods are not safe for concurrent use, despite the claim in testing.T doc comment.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-04 05:30:57 +09:00
cat 4051577d6b container/stub: override goexit methods 
FailNow, Fatal, Fatalf, SkipNow, Skip and Skipf must be called from the goroutine created by the test.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-04 04:51:49 +09:00
cat 1b5d20a39b container/dispatcher: stub.Call initialisation helper function 
This keeps composites analysis happy without making the test cases (too) bloated.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-09-02 04:44:08 +09:00
cat 49600a6f46 container/stub: export stub helpers 
These are very useful in many packages containing relatively large amount of code making calls to difficult or impossible to stub functions.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-31 23:11:25 +09:00
cat 780e3e5465 container/msg: optionally provide error messages 
This makes handling of fatal errors a lot less squirmy.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-31 11:57:59 +09:00
cat 712cfc06d7 container: wrap container init start errors 
This helps indicate the exact origin and nature of the error. This eliminates generic WrapErr from container.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-30 23:44:48 +09:00
cat 08eeafe817 container/mount: unwrap vfs decoder errors 
These are now handled by init. This eliminates generic WrapErr from mount and procPaths.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 22:15:05 +09:00
cat d7c7c69a13 container/dispatcher: check simple test errors via reflect 
Again, avoids the errors package concealing unexpected behaviours.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 22:12:21 +09:00
cat 50972096cd container/vfs: wrap decoder errors 
This passes line information and handles strconv errors so it reads better.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 21:51:31 +09:00
cat 905b9f9785 container/initoverlay: invalid argument type 
This eliminates generic WrapErr from overlay.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 02:56:56 +09:00
cat 1c7e634f09 container/dispatcher: check test errors via reflect 
Using the errors package might conceal some incorrect behaviour.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 02:35:24 +09:00
cat 8d472ebf2b container/inittmpfs: unwrap out of bounds error 
This eliminates generic WrapErr from tmpfs.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 02:15:48 +09:00
cat 4da6463135 container/init: unwrap path errors 
These are also now handled by init properly, so wrapping them in self is meaningless and unreachable.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 02:04:09 +09:00
cat eb3385d490 container/initsymlink: unwrap mount errors 
The mount function now wraps its own errors in a much more descriptive type with proper message formatting. Wrapping them no longer makes any sense.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 01:46:54 +09:00
cat b8669338da container/initsymlink: unwrap absolute error 
This is now handled properly by the init.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 01:43:11 +09:00
cat f24dd4ab8c container/init: handle unwrapped errors 
This is much cleaner from both the return statement and the error handling.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 01:37:13 +09:00
cat a462341a0a container: repeat and impossible state types 
This moves repeated Op errors and impossible internal state errors off of msg.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 01:12:02 +09:00
cat 84ad9791e2 container: wrap mount syscall errno 
This is the first step to deprecating the generalised error wrapping error message pattern.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-29 01:06:12 +09:00
cat 9bc8532d56 container/initdev: mount tmpfs on shm for ro dev 
Programs expect /dev/shm to be a writable tmpfs.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-26 03:27:07 +09:00
cat 2e0a4795f6 container/initbind: optional ensure host directory 
This is used for ensuring persistent data directories specific to the container.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-26 00:44:45 +09:00
cat 8db906ee64 container/dispatcher: remove exit stub test log 
Turns out testing.T does not like being called in defer.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-25 17:33:35 +09:00
cat cedfceded5 container/autoroot: remove prefix field 
This field has been a noop for a long time. Remove it to prevent further confusion.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-25 03:39:20 +09:00
cat 33d2dcce1b container/initoverlay: internal bypass sysroot prefix 
This is for supporting overlay mounts for autoroot.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-25 02:42:22 +09:00
cat 2baa2d7063 container/init: measure init behaviour 
This used to be entirely done via integration tests, with almost no hope of error injection and coverage profile. These tests significantly increase confidence of future work in this area.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-24 04:52:32 +09:00
cat 0166833431 container/dispatcher: start goroutine in dispatcher 
This allows instrumentation of calls from goroutine without relying on finalizers.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-23 21:58:40 +09:00
cat b3da3da525 container/init: avoid multiple lastcap calls 
This reduces the size of []kexpect in the test suite.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-23 11:09:11 +09:00
cat 1b3902df78 container/dispatcher: instrument each goroutine individually 
Scheduler nondeterminism cannot be accounted for, so do this instead.

There should not be any performance penalty as these calls are optimised out for direct.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-23 11:07:16 +09:00
cat ea1e3ebae9 container/params: pass fd instead of file 
The file is very difficult to stub. Pass fd instead as it is the value that is actually useful.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-23 00:16:46 +09:00
cat 1c692bfb79 container/init: call lockOSThread through dispatcher 
This degrades test performance if not stubbed out.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-22 22:24:14 +09:00
cat 141a18999f container: move integration test helpers 
With the new instrumentation it is now possible to run init code outside integration tests.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-22 22:07:19 +09:00
cat afe23600d2 container/path: use syscall dispatcher 
This allows path and mount functions to be instrumented.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-22 22:02:21 +09:00
cat 09d2844981 container/init: wrap syscall helper functions 
This allows tests to stub all kernel behaviour, enabling measurement of all function call arguments and error injection.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-22 19:27:31 +09:00
cat 5b73316ae0 container/syscall: doc comments from manpages 
These are pulled straight from the manpages.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-21 00:33:46 +09:00
cat 5d8a2199b6 container/init: op interface valid method 
Check ops early and eliminate duplicate checks.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-21 00:18:50 +09:00
cat a1482ecdd0 container/inittmpfs: check path equivalence by value 
Fixes regression introduced while integrating Absolute.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 20:17:28 +09:00
cat a07f9ed84c container/initsymlink: check path equivalence by value 
Fixes regression introduced while integrating Absolute.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 20:03:02 +09:00
cat 51304b03af container/initremount: check path equivalence by value 
Fixes regression introduced while integrating Absolute.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 19:55:51 +09:00
cat c6397b941f container/initproc: check path equivalence by value 
Fixes regression introduced while integrating Absolute.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 19:29:45 +09:00
cat d65e5f817a container/initplace: check path equivalence by value 
Fixes regression introduced while integrating Absolute.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 19:19:27 +09:00
cat 696e593898 container/initoverlay: check path equivalence by value 
Fixes regression introduced while integrating Absolute.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 17:33:15 +09:00
cat 97ab24feef container/init: use absolute compare method 
More checks are also added.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 17:14:36 +09:00
cat 31f0dd36df absolute: efficient equivalence check method 
This is more efficient and makes the call site cleaner.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 17:06:38 +09:00
cat 9aec2f46fe container/initdev: check path equivalence by value 
Fixes regression introduced while integrating Absolute.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 02:55:45 +09:00
cat 022cc26b2e container/capability: check CAP_TO_INDEX and CAP_TO_MASK 
Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 02:45:00 +09:00
cat b4c018da8f container/autoetc: do not bypass absolute check 
This can now be done cleanly via path function wrappers.

Signed-off-by: Ophestra <cat@gensokyo.uk>
 2025-08-20 02:37:11 +09:00