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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, Bart Van Assche <bart.vanassche@wdc.com>,
	Jason Gunthorpe <jgg@mellanox.com>,
	Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.14 05/36] ib_srpt: Fix a use-after-free in __srpt_close_all_ch()
Date: Fri, 28 Dec 2018 12:52:21 +0100	[thread overview]
Message-ID: <20181228113126.877068121@linuxfoundation.org> (raw)
In-Reply-To: <20181228113126.526729877@linuxfoundation.org>

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

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

commit 14d15c2b278011056482eb015dff89f9cbf2b841 upstream

BUG: KASAN: use-after-free in srpt_set_enabled+0x1a9/0x1e0 [ib_srpt]
Read of size 4 at addr ffff8801269d23f8 by task check/29726

CPU: 4 PID: 29726 Comm: check Not tainted 4.18.0-rc2-dbg+ #4
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.0.0-prebuilt.qemu-project.org 04/01/2014
Call Trace:
 dump_stack+0xa4/0xf5
 print_address_description+0x6f/0x270
 kasan_report+0x241/0x360
 __asan_load4+0x78/0x80
 srpt_set_enabled+0x1a9/0x1e0 [ib_srpt]
 srpt_tpg_enable_store+0xb8/0x120 [ib_srpt]
 configfs_write_file+0x14e/0x1d0 [configfs]
 __vfs_write+0xd2/0x3b0
 vfs_write+0x101/0x270
 ksys_write+0xab/0x120
 __x64_sys_write+0x43/0x50
 do_syscall_64+0x77/0x230
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f235cfe6154

Fixes: aaf45bd83eba ("IB/srpt: Detect session shutdown reliably")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/infiniband/ulp/srpt/ib_srpt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 60105ba77889..47f3f562d86f 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1775,8 +1775,8 @@ static void __srpt_close_all_ch(struct srpt_device *sdev)
 
 	list_for_each_entry(ch, &sdev->rch_list, list) {
 		if (srpt_disconnect_ch(ch) >= 0)
-			pr_info("Closing channel %s-%d because target %s has been disabled\n",
-				ch->sess_name, ch->qp->qp_num,
+			pr_info("Closing channel %s because target %s has been disabled\n",
+				ch->sess_name,
 				sdev->device->name);
 		srpt_close_ch(ch);
 	}
-- 
2.19.1




  parent reply	other threads:[~2018-12-28 12:15 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-28 11:52 [PATCH 4.14 00/36] 4.14.91-stable review Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 01/36] block: break discard submissions into the user defined size Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 02/36] block: fix infinite loop if the device loses discard capability Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 03/36] ASoC: sta32x: set ->component pointer in private struct Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 04/36] ubifs: Fix directory size calculation for symlinks Greg Kroah-Hartman
2018-12-28 11:52 ` Greg Kroah-Hartman [this message]
2018-12-28 11:52 ` [PATCH 4.14 06/36] perf record: Synthesize features before events in pipe mode Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 07/36] cifs: integer overflow in in SMB2_ioctl() Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 08/36] USB: hso: Fix OOB memory access in hso_probe/hso_get_config_data Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 09/36] xhci: Dont prevent USB2 bus suspend in state check intended for USB3 only Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 10/36] USB: xhci: fix broken_suspend placement in struct xchi_hcd Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 11/36] USB: serial: option: add GosunCn ZTE WeLink ME3630 Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 12/36] USB: serial: option: add HP lt4132 Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 13/36] USB: serial: option: add Simcom SIM7500/SIM7600 (MBIM mode) Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 14/36] USB: serial: option: add Fibocom NL668 series Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 15/36] USB: serial: option: add Telit LN940 series Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 16/36] scsi: sd: use mempool for discard special page Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 17/36] mmc: core: Reset HPI enabled state during re-init and in case of errors Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 18/36] mmc: core: Allow BKOPS and CACHE ctrl even if no HPI support Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 19/36] mmc: core: Use a minimum 1600ms timeout when enabling CACHE ctrl Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 20/36] mmc: omap_hsmmc: fix DMA API warning Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 21/36] gpio: max7301: fix driver for use with CONFIG_VMAP_STACK Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 22/36] gpiolib-acpi: Only defer request_irq for GpioInt ACPI event handlers Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 23/36] posix-timers: Fix division by zero bug Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 24/36] kvm: x86: Add AMDs EX_CFG to the list of ignored MSRs Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 25/36] KVM: Fix UAF in nested posted interrupt processing Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 26/36] Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 27/36] x86/mtrr: Dont copy uninitialized gentry fields back to userspace Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 28/36] panic: avoid deadlocks in re-entrant console drivers Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 29/36] iwlwifi: mvm: dont send GEO_TX_POWER_LIMIT to old firmwares Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 30/36] iwlwifi: add new cards for 9560, 9462, 9461 and killer series Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 31/36] spi: imx: add a device specific prepare_message callback Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 32/36] spi: imx: mx51-ecspi: Move some initialisation to prepare_message hook Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 33/36] ubifs: Handle re-linking of inodes correctly while recovery Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 34/36] mm: dont miss the last page because of round-off error Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 35/36] proc/sysctl: dont return ENOMEM on lookup when a table is unregistering Greg Kroah-Hartman
2018-12-28 11:52 ` [PATCH 4.14 36/36] drm/ioctl: Fix Spectre v1 vulnerabilities Greg Kroah-Hartman
2018-12-28 17:49 ` [PATCH 4.14 00/36] 4.14.91-stable review Dan Rue
2018-12-28 20:10 ` shuah
2018-12-28 21:28 ` Guenter Roeck

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