Date: Mon, 6 May 2019 08:32:50 +0000 (UTC) From: Toomas Soome <tsoome@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r347179 - stable/12/stand/common Message-ID: <201905060832.x468WoMk066496@repo.freebsd.org>
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Author: tsoome Date: Mon May 6 08:32:49 2019 New Revision: 347179 URL: https://svnweb.freebsd.org/changeset/base/347179 Log: MFC r347142: loader: validate sectorsize argument in disk_open() The bug and patch is reported against 11.2, but it is good idea to have the check in place for all versions. PR: 236585 Submitted by: john@feith.com Reported by: john@feith.com Modified: stable/12/stand/common/disk.c Directory Properties: stable/12/ (props changed) Modified: stable/12/stand/common/disk.c ============================================================================== --- stable/12/stand/common/disk.c Mon May 6 08:30:53 2019 (r347178) +++ stable/12/stand/common/disk.c Mon May 6 08:32:49 2019 (r347179) @@ -228,6 +228,10 @@ disk_open(struct disk_devdesc *dev, uint64_t mediasize struct ptable_entry part; int rc, slice, partition; + if (sectorsize == 0) { + DEBUG("unknown sector size"); + return (ENXIO); + } rc = 0; od = (struct open_disk *)malloc(sizeof(struct open_disk)); if (od == NULL) {
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