From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98EF0481D1; Mon, 1 Apr 2024 16:55:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711990533; cv=none; b=KSr3z8r8FJyK+8MNeEVpwFKw79U4DWmn6/g0gfZJ0Z0foQGKxDryPPMPWY8g3No/M7Glaz/GcuSYP+Xkni2uu2qUjD3Eax6NrIinrLPkpH4Yg2ROxis0K+XSdmHBBcQrI8AGuldAWF4gH7H7hxIWSbzEz+v2ZJbN3DtwMMQZyBY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711990533; c=relaxed/simple; bh=ie9IvmnSvCYd54UBesnNctHhlICAx3sEeSMX9UMZprY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nbYS0oQEw07+6PdXM2z03wl9UWkNxxg2GbNmNV2rMNSwsl109bPne3EXTkoeR+bSpdZMRzMbAG83c0m0y2w4lXbeypi44qE+byzXyXSQZmYYHsA0QpxW0PE2jUC4gXRNJgW1kYstSUtb8VARQUSjRLP50905Wumd3DDjN03xVC8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=mTeEf5tF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="mTeEf5tF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B2C99C433F1; Mon, 1 Apr 2024 16:55:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1711990533; bh=ie9IvmnSvCYd54UBesnNctHhlICAx3sEeSMX9UMZprY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mTeEf5tF9s9JqsPN/9pGqmNAppXDGpCwDUcOD9wL+zpSkQqE1x3baeNYcFnsq3+OV 2gyxwZtlTUHHpO5HOtioa397bZ32+l5k+zdbly+kFM203Upx+fS8KnNp0hw4eMLuXe MJ7kpsResi0iPHD8e5ab3W9lnxx2sX97sPzKS0vg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Saurav Kashyap , Nilesh Javali , Himanshu Madhani , "Martin K. Petersen" Subject: [PATCH 6.6 384/396] scsi: qla2xxx: Fix double free of the ha->vp_map pointer Date: Mon, 1 Apr 2024 17:47:13 +0200 Message-ID: <20240401152559.364937128@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240401152547.867452742@linuxfoundation.org> References: <20240401152547.867452742@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Saurav Kashyap commit e288285d47784fdcf7c81be56df7d65c6f10c58b upstream. Coverity scan reported potential risk of double free of the pointer ha->vp_map. ha->vp_map was freed in qla2x00_mem_alloc(), and again freed in function qla2x00_mem_free(ha). Assign NULL to vp_map and kfree take care of NULL. Cc: stable@vger.kernel.org Signed-off-by: Saurav Kashyap Signed-off-by: Nilesh Javali Link: https://lore.kernel.org/r/20240227164127.36465-8-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/qla2xxx/qla_os.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -4601,6 +4601,7 @@ fail_free_init_cb: ha->init_cb_dma = 0; fail_free_vp_map: kfree(ha->vp_map); + ha->vp_map = NULL; fail: ql_log(ql_log_fatal, NULL, 0x0030, "Memory allocation failure.\n");