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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Shuah Khan <shuahkh@osg.samsung.com>
Subject: [PATCH 3.18 23/45] usbip: vhci: stop printing kernel pointer addresses in messages
Date: Thu, 15 Feb 2018 16:17:14 +0100	[thread overview]
Message-ID: <20180215144120.819711329@linuxfoundation.org> (raw)
In-Reply-To: <20180215144115.863307741@linuxfoundation.org>

3.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Shuah Khan <shuahkh@osg.samsung.com>

commit 8272d099d05f7ab2776cf56a2ab9f9443be18907 upstream.

Remove and/or change debug, info. and error messages to not print
kernel pointer addresses.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>


---
 drivers/usb/usbip/vhci_hcd.c |   10 ----------
 drivers/usb/usbip/vhci_rx.c  |   23 +++++++++++------------
 drivers/usb/usbip/vhci_tx.c  |    3 ++-
 3 files changed, 13 insertions(+), 23 deletions(-)

--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -469,9 +469,6 @@ static int vhci_urb_enqueue(struct usb_h
 	struct vhci_device *vdev;
 	unsigned long flags;
 
-	usbip_dbg_vhci_hc("enter, usb_hcd %p urb %p mem_flags %d\n",
-			  hcd, urb, mem_flags);
-
 	/* patch to usb_sg_init() is in 2.5.60 */
 	BUG_ON(!urb->transfer_buffer && urb->transfer_buffer_length);
 
@@ -630,8 +627,6 @@ static int vhci_urb_dequeue(struct usb_h
 	struct vhci_device *vdev;
 	unsigned long flags;
 
-	pr_info("dequeue a urb %p\n", urb);
-
 	spin_lock_irqsave(&the_controller->lock, flags);
 
 	priv = urb->hcpriv;
@@ -659,7 +654,6 @@ static int vhci_urb_dequeue(struct usb_h
 		/* tcp connection is closed */
 		spin_lock(&vdev->priv_lock);
 
-		pr_info("device %p seems to be disconnected\n", vdev);
 		list_del(&priv->list);
 		kfree(priv);
 		urb->hcpriv = NULL;
@@ -671,8 +665,6 @@ static int vhci_urb_dequeue(struct usb_h
 		 * vhci_rx will receive RET_UNLINK and give back the URB.
 		 * Otherwise, we give back it here.
 		 */
-		pr_info("gives back urb %p\n", urb);
-
 		usb_hcd_unlink_urb_from_ep(hcd, urb);
 
 		spin_unlock_irqrestore(&the_controller->lock, flags);
@@ -701,8 +693,6 @@ static int vhci_urb_dequeue(struct usb_h
 
 		unlink->unlink_seqnum = priv->seqnum;
 
-		pr_info("device %p seems to be still connected\n", vdev);
-
 		/* send cmd_unlink and try to cancel the pending URB in the
 		 * peer */
 		list_add_tail(&unlink->list, &vdev->unlink_tx);
--- a/drivers/usb/usbip/vhci_rx.c
+++ b/drivers/usb/usbip/vhci_rx.c
@@ -37,24 +37,23 @@ struct urb *pickup_urb_and_free_priv(str
 		urb = priv->urb;
 		status = urb->status;
 
-		usbip_dbg_vhci_rx("find urb %p vurb %p seqnum %u\n",
-				urb, priv, seqnum);
+		usbip_dbg_vhci_rx("find urb seqnum %u\n", seqnum);
 
 		switch (status) {
 		case -ENOENT:
 			/* fall through */
 		case -ECONNRESET:
-			dev_info(&urb->dev->dev,
-				 "urb %p was unlinked %ssynchronuously.\n", urb,
-				 status == -ENOENT ? "" : "a");
+			dev_dbg(&urb->dev->dev,
+				 "urb seq# %u was unlinked %ssynchronuously\n",
+				 seqnum, status == -ENOENT ? "" : "a");
 			break;
 		case -EINPROGRESS:
 			/* no info output */
 			break;
 		default:
-			dev_info(&urb->dev->dev,
-				 "urb %p may be in a error, status %d\n", urb,
-				 status);
+			dev_dbg(&urb->dev->dev,
+				 "urb seq# %u may be in a error, status %d\n",
+				 seqnum, status);
 		}
 
 		list_del(&priv->list);
@@ -79,8 +78,8 @@ static void vhci_recv_ret_submit(struct
 	spin_unlock_irqrestore(&vdev->priv_lock, flags);
 
 	if (!urb) {
-		pr_err("cannot find a urb of seqnum %u\n", pdu->base.seqnum);
-		pr_info("max seqnum %d\n",
+		pr_err("cannot find a urb of seqnum %u max seqnum %d\n",
+			pdu->base.seqnum,
 			atomic_read(&the_controller->seqnum));
 		usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
 		return;
@@ -103,7 +102,7 @@ static void vhci_recv_ret_submit(struct
 	if (usbip_dbg_flag_vhci_rx)
 		usbip_dump_urb(urb);
 
-	usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
+	usbip_dbg_vhci_rx("now giveback urb %u\n", pdu->base.seqnum);
 
 	spin_lock_irqsave(&the_controller->lock, flags);
 	usb_hcd_unlink_urb_from_ep(vhci_to_hcd(the_controller), urb);
@@ -168,7 +167,7 @@ static void vhci_recv_ret_unlink(struct
 		pr_info("the urb (seqnum %d) was already given back\n",
 			pdu->base.seqnum);
 	} else {
-		usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
+		usbip_dbg_vhci_rx("now giveback urb %d\n", pdu->base.seqnum);
 
 		/* If unlink is successful, status is -ECONNRESET */
 		urb->status = pdu->u.ret_unlink.status;
--- a/drivers/usb/usbip/vhci_tx.c
+++ b/drivers/usb/usbip/vhci_tx.c
@@ -83,7 +83,8 @@ static int vhci_send_cmd_submit(struct v
 		memset(&msg, 0, sizeof(msg));
 		memset(&iov, 0, sizeof(iov));
 
-		usbip_dbg_vhci_tx("setup txdata urb %p\n", urb);
+		usbip_dbg_vhci_tx("setup txdata urb seqnum %lu\n",
+				  priv->seqnum);
 
 		/* 1. setup usbip_header */
 		setup_cmd_submit_pdu(&pdu_header, urb);

  parent reply	other threads:[~2018-02-15 15:17 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-15 15:16 [PATCH 3.18 00/45] 3.18.95-stable review Greg Kroah-Hartman
2018-02-15 15:16 ` [PATCH 3.18 01/45] vhost_net: stop device during reset owner Greg Kroah-Hartman
2018-02-15 15:16 ` [PATCH 3.18 02/45] ip6mr: fix stale iterator Greg Kroah-Hartman
2018-02-15 15:16 ` [PATCH 3.18 03/45] net: igmp: add a missing rcu locking section Greg Kroah-Hartman
2018-02-15 15:16 ` [PATCH 3.18 04/45] qlcnic: fix deadlock bug Greg Kroah-Hartman
2018-02-15 15:16 ` [PATCH 3.18 05/45] r8169: fix RTL8168EP take too long to complete driver initialization Greg Kroah-Hartman
2018-02-15 15:16 ` [PATCH 3.18 06/45] tcp: release sk_frag.page in tcp_disconnect Greg Kroah-Hartman
2018-02-15 15:16 ` [PATCH 3.18 07/45] ARM: exynos_defconfig: Enable options to mount a rootfs via NFS Greg Kroah-Hartman
2018-02-15 15:16 ` [PATCH 3.18 08/45] ARM: exynos_defconfig: Enable NFSv4 client Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 09/45] KEYS: encrypted: fix buffer overread in valid_master_desc() Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 10/45] ipv4: Map neigh lookup keys in __ipv4_neigh_lookup_noref() Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 11/45] cifs: Fix missing put_xid in cifs_file_strict_mmap Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 12/45] cifs: Fix autonegotiate security settings mismatch Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 13/45] CIFS: zero sensitive data when freeing Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 14/45] posix-timer: Properly check sigevent->sigev_notify Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 15/45] usbip: fix stub_rx: get_pipe() to validate endpoint number Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 16/45] usbip: fix stub_rx: harden CMD_SUBMIT path to handle malicious input Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 17/45] usbip: prevent vhci_hcd driver from leaking a socket pointer address Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 18/45] usbip: Fix potential format overflow in userspace tools Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 19/45] usb: usbip: Fix possible deadlocks reported by lockdep Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 20/45] usbip: vhci-hcd: Add USB3 SuperSpeed support Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 21/45] usbip: prevent leaking socket pointer address in messages Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 22/45] usbip: stub: stop printing kernel pointer addresses " Greg Kroah-Hartman
2018-02-15 15:17 ` Greg Kroah-Hartman [this message]
2018-02-15 15:17 ` [PATCH 3.18 24/45] dccp: CVE-2017-8824: use-after-free in DCCP code Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 25/45] media: dvb-usb-v2: lmedm04: Improve logic checking of warm start Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 26/45] media: dvb-usb-v2: lmedm04: move ts2020 attach to dm04_lme2510_tuner Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 27/45] mtd: nand: Fix nand_do_read_oob() return value Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 28/45] NFS: Add a cond_resched() to nfs_commit_release_pages() Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 29/45] NFS: commit direct writes even if they fail partially Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 30/45] kernfs: fix regression in kernfs_fop_write caused by wrong type Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 31/45] crypto: hash - introduce crypto_hash_alg_has_setkey() Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 32/45] crypto: cryptd - pass through absence of ->setkey() Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 33/45] crypto: caam - fix endless loop when DECO acquire fails Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 34/45] arm: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 35/45] media: cxusb, dib0700: ignore XC2028_I2C_FLUSH Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 36/45] kernel/async.c: revert "async: simplify lowest_in_progress()" Greg Kroah-Hartman
2018-02-15 15:17 ` [OpenRISC] [PATCH 3.18 37/45] signal/openrisc: Fix do_unaligned_access to send the proper signal Greg Kroah-Hartman
2018-02-15 15:17   ` Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 38/45] signal/sh: Ensure si_signo is initialized in do_divide_error Greg Kroah-Hartman
2018-02-15 15:17   ` Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 39/45] alpha: fix crash if pthread_create races with signal delivery Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 40/45] alpha: fix reboot on Avanti platform Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 41/45] xtensa: fix futex_atomic_cmpxchg_inatomic Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 42/45] EDAC, octeon: Fix an uninitialized variable warning Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 43/45] pktcdvd: Fix pkt_setup_dev() error path Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 44/45] ACPI: sbshc: remove raw pointer from printk() message Greg Kroah-Hartman
2018-02-15 15:17 ` [PATCH 3.18 45/45] mn10300/misalignment: Use SIGSEGV SEGV_MAPERR to report a failed user copy Greg Kroah-Hartman
2018-02-15 15:35 ` [PATCH 3.18 00/45] 3.18.95-stable review Harsh Shandilya
2018-02-15 16:44   ` Greg Kroah-Hartman
2018-02-15 16:44     ` Greg Kroah-Hartman
2018-02-15 19:16 ` kernelci.org bot
2018-02-16 20:07   ` Kevin Hilman
2018-02-16 20:12     ` Greg Kroah-Hartman
2018-02-15 22:01 ` Shuah Khan
2018-02-16 14:11 ` Guenter Roeck
2018-02-16 19:13   ` Greg Kroah-Hartman

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