If bio_integrity_copy_user is used to process the meta buffer, bip_max_vcnt is one greater than bip_vcnt. In this case bip_max_vcnt vecs needs to be copied to cloned bip. Signed-off-by: Anuj Gupta <anuj20.g@xxxxxxxxxxx> Signed-off-by: Kanchan Joshi <joshi.k@xxxxxxxxxxx> --- block/bio-integrity.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/bio-integrity.c b/block/bio-integrity.c index af79d9fbf413..5e7596b74ef1 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -647,12 +647,12 @@ int bio_integrity_clone(struct bio *bio, struct bio *bio_src, BUG_ON(bip_src == NULL); - bip = bio_integrity_alloc(bio, gfp_mask, bip_src->bip_vcnt); + bip = bio_integrity_alloc(bio, gfp_mask, bip_src->bip_max_vcnt); if (IS_ERR(bip)) return PTR_ERR(bip); memcpy(bip->bip_vec, bip_src->bip_vec, - bip_src->bip_vcnt * sizeof(struct bio_vec)); + bip_src->bip_max_vcnt * sizeof(struct bio_vec)); bip->bip_vcnt = bip_src->bip_vcnt; bip->bip_iter = bip_src->bip_iter; -- 2.25.1
