Skip to content

bookkeeper: fix uninitialized variable.#7542

Merged
rustyrussell merged 2 commits into
ElementsProject:masterfrom
rustyrussell:fix-valgrind-bookkeeper
Aug 10, 2024
Merged

bookkeeper: fix uninitialized variable.#7542
rustyrussell merged 2 commits into
ElementsProject:masterfrom
rustyrussell:fix-valgrind-bookkeeper

Conversation

@rustyrussell
Copy link
Copy Markdown
Contributor

Valgrind found this. I think two PRs were added in parallel, which is why we only found it after merge:

2024-08-09T01:57:23.7375752Z ==34263== Uninitialised byte(s) found during client check request
2024-08-09T01:57:23.7376275Z ==34263==    at 0x172405: memcheck_ (mem.h:247)
2024-08-09T01:57:23.7376661Z ==34263==    by 0x172585: db_bind_int (bindings.c:49)
2024-08-09T01:57:23.7377086Z ==34263==    by 0x126233: log_chain_event (recorder.c:2057)
2024-08-09T01:57:23.7377544Z ==34263==    by 0x11BF8B: json_utxo_deposit (bookkeeper.c:1735)
2024-08-09T01:57:23.7378207Z ==34263==    by 0x12BED3: ld_command_handle (libplugin.c:1847)
2024-08-09T01:57:23.7378674Z ==34263==    by 0x12C649: ld_read_json_one (libplugin.c:1998)
2024-08-09T01:57:23.7379114Z ==34263==    by 0x12C780: ld_read_json (libplugin.c:2018)
2024-08-09T01:57:23.7379534Z ==34263==    by 0x2990CB: next_plan (io.c:60)
2024-08-09T01:57:23.7379881Z ==34263==    by 0x299D21: do_plan (io.c:422)
2024-08-09T01:57:23.7380230Z ==34263==    by 0x299D88: io_ready (io.c:439)
2024-08-09T01:57:23.7380585Z ==34263==    by 0x29C1BC: io_loop (poll.c:455)
2024-08-09T01:57:23.7380980Z ==34263==    by 0x12D439: plugin_main (libplugin.c:2230)

Valgrind found this.  I think two PRs were added in parallel, which is why we
only found it after merge:

```
2024-08-09T01:57:23.7375752Z ==34263== Uninitialised byte(s) found during client check request
2024-08-09T01:57:23.7376275Z ==34263==    at 0x172405: memcheck_ (mem.h:247)
2024-08-09T01:57:23.7376661Z ==34263==    by 0x172585: db_bind_int (bindings.c:49)
2024-08-09T01:57:23.7377086Z ==34263==    by 0x126233: log_chain_event (recorder.c:2057)
2024-08-09T01:57:23.7377544Z ==34263==    by 0x11BF8B: json_utxo_deposit (bookkeeper.c:1735)
2024-08-09T01:57:23.7378207Z ==34263==    by 0x12BED3: ld_command_handle (libplugin.c:1847)
2024-08-09T01:57:23.7378674Z ==34263==    by 0x12C649: ld_read_json_one (libplugin.c:1998)
2024-08-09T01:57:23.7379114Z ==34263==    by 0x12C780: ld_read_json (libplugin.c:2018)
2024-08-09T01:57:23.7379534Z ==34263==    by 0x2990CB: next_plan (io.c:60)
2024-08-09T01:57:23.7379881Z ==34263==    by 0x299D21: do_plan (io.c:422)
2024-08-09T01:57:23.7380230Z ==34263==    by 0x299D88: io_ready (io.c:439)
2024-08-09T01:57:23.7380585Z ==34263==    by 0x29C1BC: io_loop (poll.c:455)
2024-08-09T01:57:23.7380980Z ==34263==    by 0x12D439: plugin_main (libplugin.c:2230)
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
@rustyrussell rustyrussell added this to the v24.08 milestone Aug 9, 2024
@rustyrussell rustyrussell requested a review from niftynei August 9, 2024 05:38
@niftynei
Copy link
Copy Markdown
Collaborator

niftynei commented Aug 9, 2024

ACK eee143d

Did a sweep to find any others, give this from sanitizer:

```
2024-08-09T18:06:45.1729472Z plugins/bkpr/recorder.c:2057:23: runtime error: load of value 190, which is not a valid value for type 'bool'
2024-08-09T18:06:45.1729877Z SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior plugins/bkpr/recorder.c:2057:23 in
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
@rustyrussell rustyrussell merged commit d0c0c44 into ElementsProject:master Aug 10, 2024
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants