diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2026-07-13 23:06:28 -0700 |
|---|---|---|
| committer | Carlos Maiolino <cem@kernel.org> | 2026-07-14 11:01:47 +0200 |
| commit | 5d72a68f2007ba2a968d6bf47dba3f4620bd182e (patch) | |
| tree | ea5484efcacb16250c0ed970fb40ae908d838bc5 | |
| parent | 540ddc626245f12f56326ee0c1601f71ebb41d64 (diff) | |
xfs: fix off-by-one error when calling xchk_xref_has_rt_owner
LOLLM noticed an off-by-one error when computing the length of the
rtrmap to cross-check.
Cc: stable@vger.kernel.org # v6.14
Fixes: 037a44d8277adf ("xfs: cross-reference the realtime rmapbt")
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Assisted-by: LOLLM # finding obvious bugs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
| -rw-r--r-- | fs/xfs/scrub/rtbitmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/scrub/rtbitmap.c b/fs/xfs/scrub/rtbitmap.c index de3f22f310f7..52c24d3d4be6 100644 --- a/fs/xfs/scrub/rtbitmap.c +++ b/fs/xfs/scrub/rtbitmap.c @@ -258,7 +258,7 @@ xchk_rtbitmap( * the last free extent we saw and the last possible extent in the rt * group. */ - last_rgbno = rtg->rtg_extents * mp->m_sb.sb_rextsize - 1; + last_rgbno = rtg->rtg_extents * mp->m_sb.sb_rextsize; if (rtb->next_free_rgbno < last_rgbno) xchk_xref_has_rt_owner(sc, rtb->next_free_rgbno, last_rgbno - rtb->next_free_rgbno); |