Date: Fri, 19 May 2023 23:54:26 GMT From: Kirk McKusick <mckusick@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 8e0b31c791cf - stable/13 - Fix off-by-one error in fsck_ffs(8) chkrange() block-number check. Message-ID: <202305192354.34JNsQb3064829@gitrepo.freebsd.org>
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The branch stable/13 has been updated by mckusick: URL: https://cgit.FreeBSD.org/src/commit/?id=8e0b31c791cf1da6d9fda3da9999e66a5e162230 commit 8e0b31c791cf1da6d9fda3da9999e66a5e162230 Author: Kirk McKusick <mckusick@FreeBSD.org> AuthorDate: 2023-05-09 20:08:10 +0000 Commit: Kirk McKusick <mckusick@FreeBSD.org> CommitDate: 2023-05-19 23:02:21 +0000 Fix off-by-one error in fsck_ffs(8) chkrange() block-number check. PR: 271289 (cherry picked from commit b3fe5d932264445cbf9a1c4eab01afb6179b499b) --- sbin/fsck_ffs/inode.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sbin/fsck_ffs/inode.c b/sbin/fsck_ffs/inode.c index 04891447254e..00a60157138c 100644 --- a/sbin/fsck_ffs/inode.c +++ b/sbin/fsck_ffs/inode.c @@ -381,8 +381,8 @@ chkrange(ufs2_daddr_t blk, int cnt) { int c; - if (cnt <= 0 || blk <= 0 || blk > maxfsblock || - cnt - 1 > maxfsblock - blk) { + if (cnt <= 0 || blk <= 0 || blk >= maxfsblock || + cnt > maxfsblock - blk) { if (debug) printf("out of range: blk %ld, offset %i, size %d\n", (long)blk, (int)fragnum(&sblock, blk), cnt);
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