Date: Thu, 23 Sep 2010 15:10:28 +0000 (UTC) From: Attilio Rao <attilio@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r213076 - projects/sv/sys/kern Message-ID: <201009231510.o8NFASc2072637@svn.freebsd.org>
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Author: attilio Date: Thu Sep 23 15:10:28 2010 New Revision: 213076 URL: http://svn.freebsd.org/changeset/base/213076 Log: Fix a protection stub left-over in r212295. Modified: projects/sv/sys/kern/kern_shutdown.c Modified: projects/sv/sys/kern/kern_shutdown.c ============================================================================== --- projects/sv/sys/kern/kern_shutdown.c Thu Sep 23 14:06:15 2010 (r213075) +++ projects/sv/sys/kern/kern_shutdown.c Thu Sep 23 15:10:28 2010 (r213076) @@ -686,7 +686,9 @@ dump_write(struct dumperinfo *di, void * off_t offset, size_t length) { - if (length != 0 && (offset < di->mediaoffset || + /* If the upper bound is 0, dumper likely will not use disks. */ + if ((di->mediaoffset + di->mediasize) != 0 && length != 0 && + (offset < di->mediaoffset || offset - di->mediaoffset + length > di->mediasize)) { printf("Attempt to write outside dump device boundaries.\n"); return (ENXIO);
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