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Wed, 26 Jun 2024 10:15:16 +0000 (GMT) Received: from epsmgmcp1.samsung.com (unknown [182.195.42.82]) by epsmtrp1.samsung.com (KnoxPortal) with ESMTP id 20240626101516epsmtrp13052680d2b3b838252dd658696b5d8b2~chmK02-LG1024010240epsmtrp1c; Wed, 26 Jun 2024 10:15:16 +0000 (GMT) X-AuditID: b6c32a4a-bffff70000002705-33-667bfe8d61ce Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgmcp1.samsung.com (Symantec Messaging Gateway) with SMTP id DE.4C.18846.43AEB766; Wed, 26 Jun 2024 19:15:16 +0900 (KST) Received: from localhost.localdomain (unknown [107.99.41.245]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20240626101514epsmtip132e399ece14b53def07176d7d9a70188~chmI6SqZH0147101471epsmtip1Q; Wed, 26 Jun 2024 10:15:13 +0000 (GMT) From: Anuj Gupta To: asml.silence@gmail.com, mpatocka@redhat.com, axboe@kernel.dk, hch@lst.de, kbusch@kernel.org, martin.petersen@oracle.com Cc: io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, Anuj Gupta , Kanchan Joshi Subject: [PATCH v2 03/10] block: copy bip_max_vcnt vecs instead of bip_vcnt during clone Date: Wed, 26 Jun 2024 15:36:53 +0530 Message-Id: <20240626100700.3629-4-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240626100700.3629-1-anuj20.g@samsung.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrCJsWRmVeSWpSXmKPExsWy7bCmum7vv+o0g8ffxC2aJvxltpizahuj xeq7/WwWK1cfZbJ413qOxeLo/7dsFpMOXWO02HtL22L+sqfsFsuP/2OymNhxlcmB22PnrLvs HpfPlnpsWtXJ5rF5Sb3H7psNbB4fn95i8Xi/7yqbR9+WVYwenzfJBXBGZdtkpCampBYppOYl 56dk5qXbKnkHxzvHm5oZGOoaWlqYKynkJeam2iq5+AToumXmAN2qpFCWmFMKFApILC5W0rez KcovLUlVyMgvLrFVSi1IySkwKdArTswtLs1L18tLLbEyNDAwMgUqTMjO+P35BVvBFo6KPbse sDYw/mfrYuTkkBAwkTjbu5C1i5GLQ0hgN6PEh6atLCAJIYFPjBKvHyhDJIDsL4dvMsJ0vN26 GapjJ6PE+f+TmCCcz4wSB5ffA2tnE1CXOPK8FaxDRKBWYmXrdHaQImaBpUA7HlxnBkkIC0RJ rFjfyARiswioSrycsBrsKF4BC4nWz6+gDpSXmHnpOzuIzSlgKXFn83ZGiBpBiZMzn4AtYwaq ad46mxlkgYTATA6JeSt2ASU4gBwXia7NghBzhCVeHd/CDmFLSbzsb4Oy0yV+XH7KBGEXSDQf 2wf1pr1E66l+ZpAxzAKaEut36UOEZSWmnlrHBLGWT6L39xOoVl6JHfNgbCWJ9pVzoGwJib3n GqBsD4nei5fZIcHbwyhxuV11AqPCLCTfzELyzSyEzQsYmVcxSqYWFOempxabFhjlpZbDIzk5 P3cTIzj5anntYHz44IPeIUYmDsZDjBIczEoivKElVWlCvCmJlVWpRfnxRaU5qcWHGE2BwT2R WUo0OR+Y/vNK4g1NLA1MzMzMTCyNzQyVxHlft85NERJITyxJzU5NLUgtgulj4uCUamAqqLO8 tKDyhVj8s+XchZz2i58crPvwxGPhcwb3p1tXiS7nTOaOXMTH8N/t+ZvEesePOVbTfvfqlBxr CRf6fd5M5kht3MN+sxRt50jHqsDti3fr+3u5+fAHOGQ1B0iu+WrWmvM4fErx25Vc96dll/Hk J0cxNPv/6QjlXFqZE/zqqdt7/Wzn29r7pHJz3RUP/lj54tL9j4Vih+tZTsgVlP6Y01NQPy11 9sVu/m0J3qlWZ0y/aSfWv5lUeTtjmhOX3HL3N4yvf2j9uDQlzdv41vqfs9aWhSrf+z7rXrto 1tK3mn82Xd27hPn9XKsLm87tsfZ+kje/5Hegp3qZ8pTwA7/uhtoHCKbbNLvNmbOer0mJpTgj 0VCLuag4EQDUDIsyRwQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrFLMWRmVeSWpSXmKPExsWy7bCSnK7Jq+o0gxvvuC2aJvxltpizahuj xeq7/WwWK1cfZbJ413qOxeLo/7dsFpMOXWO02HtL22L+sqfsFsuP/2OymNhxlcmB22PnrLvs HpfPlnpsWtXJ5rF5Sb3H7psNbB4fn95i8Xi/7yqbR9+WVYwenzfJBXBGcdmkpOZklqUW6dsl cGX8/vyCrWALR8WeXQ9YGxj/s3UxcnJICJhIvN26mbWLkYtDSGA7o8SH7vUsEAkJiVMvlzFC 2MISK/89Z4co+sgoce34PHaQBJuAusSR562MIAkRgVZGiQNTW8AcZoGVjBK3F71gAqkSFoiQ +N24F2wfi4CqxMsJq8FsXgELidbPr6DukJeYeek72FROAUuJO5u3g60WAqp58LyZFaJeUOLk zCdg5zED1Tdvnc08gVFgFpLULCSpBYxMqxhFUwuKc9NzkwsM9YoTc4tL89L1kvNzNzGCo0Mr aAfjsvV/9Q4xMnEwHmKU4GBWEuENLalKE+JNSaysSi3Kjy8qzUktPsQozcGiJM6rnNOZIiSQ nliSmp2aWpBaBJNl4uCUamBy+GDx9MnWu3rNhxYt5sh5EF557Fk0w32hiRbb+x985P1WrPBQ 0a3p3i3De/e7A6bHtd3aXLVmGkPY5AC3Dyvuh255f32DW3DGi/O1+Ud8Ta7cZeoJ/GP+Wdtk q0CAi9v63D8LrktkHGP6mFeXev3yTn63xN+nFh1NOOnio6dwy6jrioKq1qod/qzyK6psrrLs blTecPrQ/SaulO0b3nfOX26Y8+6D6BHz6vQf5fPD5CMFDybzvgrrORvvXOXgkvH7aaDt+dfX z8nH1nptM1WpmXMsIj/e51dHa/BOVXWJxsg7kQ+KWlYf1d0x4fvOrauF36+aa5m7fILwrD5n f+P7vKv9ej9fKVn++6ebeq23EktxRqKhFnNRcSIAfis1Jv0CAAA= X-CMS-MailID: 20240626101516epcas5p19fb40e8231d1832cab3d031672f0109e X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240626101516epcas5p19fb40e8231d1832cab3d031672f0109e References: <20240626100700.3629-1-anuj20.g@samsung.com> 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 Signed-off-by: Kanchan Joshi --- 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;