Hello!
This is an experimental semi-automated report about issues detected by Coverity from a scan of next-20230113 as part of the linux-next scan project: https://scan.coverity.com/projects/linux-next-weekly-scan
You're getting this email because you were associated with the identified lines of code (noted below) that were touched by commits:
Wed Jan 11 16:15:43 2023 -0800 ebc4c1bcc2a5 ("maple_tree: fix mas_empty_area_rev() lower bound validation")
Coverity reported the following:
*** CID 1530569: Error handling issues (CHECKED_RETURN) lib/test_maple_tree.c:2598 in check_empty_area_window() 2592 MT_BUG_ON(mt, mas_empty_area(&mas, 5, 100, 6) != -EBUSY); 2593 2594 mas_reset(&mas); 2595 MT_BUG_ON(mt, mas_empty_area(&mas, 0, 8, 10) != -EBUSY); 2596 2597 mas_reset(&mas); vvv CID 1530569: Error handling issues (CHECKED_RETURN) vvv Calling "mas_empty_area" without checking return value (as is done elsewhere 8 out of 10 times). 2598 mas_empty_area(&mas, 100, 165, 3); 2599 2600 mas_reset(&mas); 2601 MT_BUG_ON(mt, mas_empty_area(&mas, 100, 163, 6) != -EBUSY); 2602 rcu_read_unlock(); 2603 }
If this is a false positive, please let us know so we can mark it as such, or teach the Coverity rules to be smarter. If not, please make sure fixes get into linux-next. :) For patches fixing this, please include these lines (but double-check the "Fixes" first):
Reported-by: coverity-bot keescook+coverity-bot@chromium.org Addresses-Coverity-ID: 1530569 ("Error handling issues") Fixes: ebc4c1bcc2a5 ("maple_tree: fix mas_empty_area_rev() lower bound validation")
Thanks for your attention!