Date: Sun, 5 May 2019 06:38:47 +0000 (UTC) From: Toomas Soome <tsoome@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r347142 - head/stand/common Message-ID: <201905050638.x456clk7047111@repo.freebsd.org>
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Author: tsoome Date: Sun May 5 06:38:47 2019 New Revision: 347142 URL: https://svnweb.freebsd.org/changeset/base/347142 Log: 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 MFC after: 1 day Modified: head/stand/common/disk.c Modified: head/stand/common/disk.c ============================================================================== --- head/stand/common/disk.c Sun May 5 06:32:40 2019 (r347141) +++ head/stand/common/disk.c Sun May 5 06:38:47 2019 (r347142) @@ -221,6 +221,10 @@ disk_open(struct disk_devdesc *dev, uint64_t mediasize struct ptable_entry part; int rc, slice, partition; + if (sectorsize == 0) { + DPRINTF("unknown sector size"); + return (ENXIO); + } rc = 0; od = (struct open_disk *)malloc(sizeof(struct open_disk)); if (od == NULL) {
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