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a=rsa-sha256; c=relaxed/relaxed; d=flawful.org; s=mail; t=1617394717; bh=vpKvFQbGdigWLDUL0qg1CLF78XoNpFYhqw/S6OoC9+g=; h=From:To:Cc:Subject:Date:From; b=FX11u6qAi3wJU0uoJklPU5sH89JHNd8rZI+gOpAAMXLXJwwr7SfWehZ2UYuu6wgGp oFdqxdQQZ3Qcn6xEE5uZzl9NjPRsTfe4kHsd8eUCYKr7jXYRiGACQwmLj+m1ZUlr78 5UBQunp/raXNNZGGtzC27VgDmzjd7g3VqlzvC0Bw= From: Niklas Cassel To: kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me Cc: niklas.cassel@wdc.com, joshi.k@samsung.com, javier@javigon.com, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3] nvme: disallow passthru cmd from targeting a nsid != nsid of the block dev Date: Fri, 2 Apr 2021 22:18:08 +0200 Message-Id: <20210402201808.31979-1-nks@flawful.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210402_211849_063642_C11339C3 X-CRM114-Status: GOOD ( 13.42 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org RnJvbTogTmlrbGFzIENhc3NlbCA8bmlrbGFzLmNhc3NlbEB3ZGMuY29tPgoKV2hlbiBhIHBhc3N0 aHJ1IGNvbW1hbmQgdGFyZ2V0cyBhIHNwZWNpZmljIG5hbWVzcGFjZSwgdGhlIG5zIHBhcmFtZXRl ciB0bwpudm1lX3VzZXJfY21kKCkvbnZtZV91c2VyX2NtZDY0KCkgaXMgc2V0LiBIb3dldmVyLCB0 aGVyZSBpcyBjdXJyZW50bHkgbm8KdmFsaWRhdGlvbiB0aGF0IHRoZSBuc2lkIHNwZWNpZmllZCBp biB0aGUgcGFzc3RocnUgY29tbWFuZCB0YXJnZXRzIHRoZQpuYW1lc3BhY2UvbnNpZCByZXByZXNl bnRlZCBieSB0aGUgYmxvY2sgZGV2aWNlIHRoYXQgdGhlIGlvY3RsIHdhcwpwZXJmb3JtZWQgb24u CgpBZGQgYSBjaGVjayB0aGF0IHZhbGlkYXRlcyB0aGF0IHRoZSBuc2lkIGluIHRoZSBwYXNzdGhy dSBjb21tYW5kIG1hdGNoZXMKdGhhdCBvZiB0aGUgc3VwcGxpZWQgbmFtZXNwYWNlLgoKU2lnbmVk LW9mZi1ieTogTmlrbGFzIENhc3NlbCA8bmlrbGFzLmNhc3NlbEB3ZGMuY29tPgpSZXZpZXdlZC1i eTogU2FnaSBHcmltYmVyZyA8c2FnaUBncmltYmVyZy5tZT4KUmV2aWV3ZWQtYnk6IEthbmNoYW4g Sm9zaGkgPGpvc2hpLmtAc2Ftc3VuZy5jb20+ClJldmlld2VkLWJ5OiBKYXZpZXIgR29uesOhbGV6 IDxqYXZpZXJAamF2aWdvbi5jb20+Ci0tLQpDaGFuZ2VzIHNpbmNlIHYyOgotUGlja2VkIHVwIFJl dmlld2VkLWJ5LXRhZ3MuCi1TZW5kIGZyb20gYSBtYWlsIHNlcnZlciB0aGF0IGRvZXNuJ3QgbWFu Z2xlIHRoZSBtYWlsLgoKIGRyaXZlcnMvbnZtZS9ob3N0L2NvcmUuYyB8IDEyICsrKysrKysrKysr KwogMSBmaWxlIGNoYW5nZWQsIDEyIGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJz L252bWUvaG9zdC9jb3JlLmMgYi9kcml2ZXJzL252bWUvaG9zdC9jb3JlLmMKaW5kZXggZjEzZWI0 ZGVkOTVmLi5hNTAzNTJlYTNmN2IgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvbnZtZS9ob3N0L2NvcmUu YworKysgYi9kcml2ZXJzL252bWUvaG9zdC9jb3JlLmMKQEAgLTE1OTksNiArMTU5OSwxMiBAQCBz dGF0aWMgaW50IG52bWVfdXNlcl9jbWQoc3RydWN0IG52bWVfY3RybCAqY3RybCwgc3RydWN0IG52 bWVfbnMgKm5zLAogCQlyZXR1cm4gLUVGQVVMVDsKIAlpZiAoY21kLmZsYWdzKQogCQlyZXR1cm4g LUVJTlZBTDsKKwlpZiAobnMgJiYgY21kLm5zaWQgIT0gbnMtPmhlYWQtPm5zX2lkKSB7CisJCWRl dl9lcnIoY3RybC0+ZGV2aWNlLAorCQkJIiVzOiBuc2lkICgldSkgaW4gY21kIGRvZXMgbm90IG1h dGNoIG5zaWQgKCV1KSBvZiBuYW1lc3BhY2VcbiIsCisJCQljdXJyZW50LT5jb21tLCBjbWQubnNp ZCwgbnMtPmhlYWQtPm5zX2lkKTsKKwkJcmV0dXJuIC1FSU5WQUw7CisJfQogCiAJbWVtc2V0KCZj LCAwLCBzaXplb2YoYykpOwogCWMuY29tbW9uLm9wY29kZSA9IGNtZC5vcGNvZGU7CkBAIC0xNjQz LDYgKzE2NDksMTIgQEAgc3RhdGljIGludCBudm1lX3VzZXJfY21kNjQoc3RydWN0IG52bWVfY3Ry bCAqY3RybCwgc3RydWN0IG52bWVfbnMgKm5zLAogCQlyZXR1cm4gLUVGQVVMVDsKIAlpZiAoY21k LmZsYWdzKQogCQlyZXR1cm4gLUVJTlZBTDsKKwlpZiAobnMgJiYgY21kLm5zaWQgIT0gbnMtPmhl YWQtPm5zX2lkKSB7CisJCWRldl9lcnIoY3RybC0+ZGV2aWNlLAorCQkJIiVzOiBuc2lkICgldSkg aW4gY21kIGRvZXMgbm90IG1hdGNoIG5zaWQgKCV1KSBvZiBuYW1lc3BhY2VcbiIsCisJCQljdXJy ZW50LT5jb21tLCBjbWQubnNpZCwgbnMtPmhlYWQtPm5zX2lkKTsKKwkJcmV0dXJuIC1FSU5WQUw7 CisJfQogCiAJbWVtc2V0KCZjLCAwLCBzaXplb2YoYykpOwogCWMuY29tbW9uLm9wY29kZSA9IGNt ZC5vcGNvZGU7Ci0tIAoyLjMwLjIKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpMaW51eC1udm1lIG1haWxpbmcgbGlzdApMaW51eC1udm1lQGxpc3RzLmlu ZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9s aW51eC1udm1lCg==