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| author | Yu Kuai <yukuai3@huawei.com> | 2023-05-24 09:41:18 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-06-09 10:32:29 +0200 |
| commit | d3103fc0d1914ae21d717720a5c2131be4b42b24 (patch) | |
| tree | e12c450b7631bea255c8ff333163832042231d60 | |
| parent | 599e19202be2af0a179c40ae94a94a061fef29e7 (diff) | |
| download | linux-d3103fc0d1914ae21d717720a5c2131be4b42b24.tar.gz linux-d3103fc0d1914ae21d717720a5c2131be4b42b24.tar.bz2 linux-d3103fc0d1914ae21d717720a5c2131be4b42b24.zip | |
md/raid5: fix miscalculation of 'end_sector' in raid5_read_one_chunk()
commit 8557dc27126949c702bd3aafe8a7e0b7e4fcb44c upstream.
'end_sector' is compared to 'rdev->recovery_offset', which is offset to
rdev, however, commit e82ed3a4fbb5 ("md/raid6: refactor
raid5_read_one_chunk") changes the calculation of 'end_sector' to offset
to the array. Fix this miscalculation.
Fixes: e82ed3a4fbb5 ("md/raid6: refactor raid5_read_one_chunk")
Cc: stable@vger.kernel.org # v5.12+
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230524014118.3172781-1-yukuai1@huaweicloud.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/md/raid5.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index e4c82ecbaf0d..c2a42486f985 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5408,7 +5408,7 @@ static int raid5_read_one_chunk(struct mddev *mddev, struct bio *raid_bio) sector = raid5_compute_sector(conf, raid_bio->bi_iter.bi_sector, 0, &dd_idx, NULL); - end_sector = bio_end_sector(raid_bio); + end_sector = sector + bio_sectors(raid_bio); rcu_read_lock(); if (r5c_big_stripe_cached(conf, sector)) |