Date: Wed, 5 Jun 2019 13:08:21 +0000 (UTC) From: Tycho Nightingale <tychon@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r348687 - head/sys/x86/iommu Message-ID: <201906051308.x55D8Ltk014464@repo.freebsd.org>
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Author: tychon Date: Wed Jun 5 13:08:21 2019 New Revision: 348687 URL: https://svnweb.freebsd.org/changeset/base/348687 Log: another occurrence where a very large dma mapping can cause integer overflow Submitted by: rlibby Sponsored by: Dell EMC Isilon Modified: head/sys/x86/iommu/busdma_dmar.c Modified: head/sys/x86/iommu/busdma_dmar.c ============================================================================== --- head/sys/x86/iommu/busdma_dmar.c Wed Jun 5 12:53:36 2019 (r348686) +++ head/sys/x86/iommu/busdma_dmar.c Wed Jun 5 13:08:21 2019 (r348687) @@ -702,7 +702,7 @@ dmar_bus_dmamap_load_phys(bus_dma_tag_t dmat, bus_dmam return (ENOMEM); } } - vm_page_initfake(&fma[i], pstart + i * PAGE_SIZE, + vm_page_initfake(&fma[i], pstart + ptoa(i), VM_MEMATTR_DEFAULT); ma[i] = &fma[i]; }
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