From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794342925; b=Zvilh2z4GLNb/0TZfKLyfkwm1ZJuRdpyYKHXDN+GQ4PHKEDMSC5MF5d2WS8uHvJNxPPT GD0PRKGgC5jU4Q1oSrcCc0ZX+u1GRLfnYPVNO4jkJFE9gEFlNxoP7Mzz1XwbVC1VvedFk ahvOce6wRoF/qhttU+uwI/eo5LcR7WZd+iScgdUrWtxYKtZEc41SaGs+2fEJlLkBfb8Sn DoxUybtUOpDJmqQxTOp9mq3pmpOO71qR7+B+z4nTtVJ8TxosqSBkP6ZtdRv4NgKVyLOhB vsVJAfpVvyMKw8039Kh89Qv88WMM8Vl+zH+9AtQT7q24zRODBjx9xhvxQGhGD+vBcDg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794342925; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=kMwkySnLfd1AIcE7CN7h3nzaIvEu7x64w6erQOC9nwY=; b=fIag3OX8nPOp3avhNmJukasLGsz2wu23i2KyGxoxx+GP0rLBP8lN55khsEzYqCMnWd53 FPgEQsxnXPbbOt1HOQLeTl1dPvyUUTMpfi0ESVhwtp3oDB5y43Ysx8BhXNaMfBPfTbi0L 4lTOfchm6KwDxtn9OdyMb6nPUDhZ/4bY1hkuUyx/OHVtQ580Jniaor6yZP8tqBekgbSip 4I/8XcmwfovL9Q2jjVuwwlkqUuCud5OoHCAqtc2Vem6SB+3WiQR3J8HUw3OyKpVc2aEnN rvtJwPzV5TNC0WiHtBJrlFMIsJn8KzE+JBl1jSdko7yM0Q/4K3nm3ULYIMDrqOwo0Ug== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=h78Wfqte; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7C1E6606A31C for ; Tue, 10 Nov 2026 20:35:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=h78Wfqte Received: by smtp.kernel.org (Postfix) with ESMTPSA id 680941F0089F; Tue, 10 Nov 2026 20:35:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794342925; bh=kMwkySnLfd1AIcE7CN7h3nzaIvEu7x64w6erQOC9nwY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=h78WfqteENOArjpxse3t7E4sErzghvHcnGotC9wDwq73GXd/HNaPDyak2YPaRP/EW HhK462h3RFRE7Na1YWxPodFZucKZJgYDh51CVMDXRzxgL06s0Y3MzkgVy3/owkPeKQ HMYgbnRytqRqu0VgjUogY8B2WbHUnxvm2OMXe8XBGWzLV/W5BaGjWfhMpx0Mfir6qQ aXp7UUN83s1aicF0CwooXbC8AV76nKH4FfzNAmb8/uA9g8tNi0hCx4Kv255NerPNtt j95wDQikVkx74tADiVs7Er5a71npLwL/7k3CIdTf413QXn/47vp+9W5FuGj3ByfKKj RrGSurxJTWNRQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Stanley Jhu , Bean Huo , Peter Wang , Bart Van Assche , "Martin K. Petersen (Oracle)" , Sasha Levin Subject: [PATCH 5.15.y] scsi: ufs: bsg: Clear the reply buffer before use Date: Tue, 10 Nov 2026 15:35:23 -0500 Message-ID: <20261110203417.3782989-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261107061111-failed-5.15-2e63ac76cc08@kernel.org> References: <20261107061111-failed-5.15-2e63ac76cc08@kernel.org> X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Stanley Jhu [ Upstream commit 2e63ac76cc08ea376ba61fef52f7b7849e35024d ] The reply buffer is allocated once per tag and reused. Requests that complete with a positive status do not fill all of it, so user space receives bytes from an earlier request on the same tag. Clear the whole reply buffer on entry to ufs_bsg_request(). Fixes: 95e34bf930ea ("scsi: ufs-bsg: Add support for raw upiu in ufs_bsg_request()") Cc: stable@vger.kernel.org Signed-off-by: Stanley Jhu Reviewed-by: Bean Huo Reviewed-by: Peter Wang Reviewed-by: Bart Van Assche Link: https://patch.msgid.link/20261015001855.3450573-3-stanleyjhu@google.com Signed-off-by: Martin K. Petersen (Oracle) [ sashal: Adapted the file location to the older UFS source layout under SCSI. ] Signed-off-by: Sasha Levin --- drivers/scsi/ufs/ufs_bsg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/ufs/ufs_bsg.c b/drivers/scsi/ufs/ufs_bsg.c index b8bbfd81b8ae0..e27b059ae2d1e 100644 --- a/drivers/scsi/ufs/ufs_bsg.c +++ b/drivers/scsi/ufs/ufs_bsg.c @@ -95,7 +95,7 @@ static int ufs_bsg_request(struct bsg_job *job) if (ret) goto out; - bsg_reply->reply_payload_rcv_len = 0; + memset(job->reply, 0, job->reply_len); ufshcd_rpm_get_sync(hba); -- 2.53.0