Hello! This is an experimental semi-automated report about issues detected by Coverity from a scan of next-20221102 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: Mon Oct 31 13:37:57 2022 -0300 91b4be750274 ("iommufd: Data structure to provide IOVA to PFN mapping") Coverity reported the following: *** CID 1527094: Memory - illegal accesses (UNINIT) /drivers/iommu/iommufd/io_pagetable.c: 415 in iopt_map_user_pages() 409 elm.start_byte = uptr - elm.pages->uptr; 410 elm.length = length; 411 list_add(&elm.next, &pages_list); 412 413 rc = iopt_map_pages(iopt, &pages_list, length, iova, iommu_prot, flags); 414 if (rc) { vvv CID 1527094: Memory - illegal accesses (UNINIT) vvv Using uninitialized value "elm.area". 415 if (elm.area) 416 iopt_abort_area(elm.area); 417 if (elm.pages) 418 iopt_put_pages(elm.pages); 419 return rc; 420 } 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@xxxxxxxxxxxx> Addresses-Coverity-ID: 1527094 ("Memory - illegal accesses") Fixes: 91b4be750274 ("iommufd: Data structure to provide IOVA to PFN mapping") Thanks for your attention! -- Coverity-bot
